TW201437161A - Glass dividing device and glass dividing method - Google Patents

Abstract

Disclosed are a glass dividing device and a glass dividing method, which effectively divides glass plates to manufacture substrates and transfers the substrates to a predetermined location. The glass dividing method comprises: a step of loading a glass plate, which loads a glass plate (M) with ruled lines (Lx, Ly) onto a loading location on a belt conveyer (20a); a step of dividing, which divides the glass plate (M) via pressing along the ruled lines of the loaded glass plate (M); and a step of transferring the divided glass plate, which transfers the divided glass plate (S) out to a predetermined location. The step of dividing comprises: a step of moving a pressing member (30) along the ruled lines to divide the glass plate and a step of moving the pressing member (30) to a next position after finishing the step of dividing. During the step of moving the pressing member (30), the divided glass plate (S) can be transferred out to the predetermined location at the same time.

Description

Glass plate cutting device and glass plate cutting method

The present invention relates to a glass plate cutting device for cutting a substrate material such as a glass plate into a plurality of substrates.

As a method of cutting a substrate material such as a glass plate, there has been conventionally known a device in which a scribe line 21 is formed on a glass substrate 20 by a cutter 24, and then the scribe line is pressed by a roller 26 to perform cutting. It is broken (refer to the abstract of the specification of Patent Document 1).

Further, there is a method in which the large-sized substrate 2 on which the scored line is carried by the robot 17 and loaded onto the delivery table 21 by the cutting mechanism (such as the ascending mechanism 23 and the pressing mechanism 24) is located at the cutting edge By the cutting mechanism and the hand of the operator P, the operator removes the long substrate 3 that has been cut by the operator P (refer to paragraph [0032] of Patent Document 2). [0035] and Figures 3 to 5, etc.).

Further, there is a glass plate breaking method in which a cutting line 8 is formed on a glass plate 6 that is conveyed to a predetermined position of the glass sheet breaking portion 3 by the conveying device 21 by using a cutter wheel 73 or the like of the cutter device 71, After 9 (marking), the glass plate 6 is broken by the pressing member 76 or the like, and the glass plate obtained by the breaking is transferred from the predetermined position of the glass plate breaking portion 3 to the glass plate edge polishing portion 4 by the conveying device 21. (Refer to paragraph [0032] of Patent Document 3).

[Practical Technical Literature] [Patent Document]

Patent Document 1: Japanese Laid-Open Patent Publication No. Hei 9-286628

Patent Document 2: Japanese Laid-Open Patent Publication No. 2008-69065

Patent Document 3: Japanese Laid-Open Patent Publication No. Hei 10-291829

Further, the method of Patent Document 1 is a method of simultaneously forming and cutting a score line at one place, which is very efficient at first glance. However, since it is impossible to carry in the next glass substrate until the glass substrate after the cutting is carried out until the end of the cleaning, it is not necessarily efficient.

Therefore, the method of forming and cutting the score line as a place to change is also the method of Patent Document 2. However, in the cutting method of Patent Document 2, the bulk substrate 2 is cut by the cutting mechanism and the manual work on the carry-out table 21, and the obtained elongated substrate 3 is carried out by manual work. In this method of using manual work. There is an increase in cutting The limit of industry efficiency.

Moreover, in the glass plate breaking method of the patent document 3, the formation of the cutting line (formation of the scribe line) and the glass plate of the glass plate carried in the glass plate fracture part 3 in the belt conveyor-type work- Broken. When such a work table is used, it is easy to clean the work table after the glass is cut. However, in the present method, it is necessary to carry out the carry-in operation and the operation of loading the glass plate into the predetermined position of the glass plate breaking portion 3 one by one. The breaking operation of the loaded glass sheet, the unloading operation carried out from the glass sheet breaking portion of the broken glass sheet, and the work table cleaning operation. Therefore, even with this method, there is a limit to improve the breaking efficiency of the glass sheet.

The present invention has been made in view of such a problem, and an object of the invention is to provide a glass sheet cutting device and a glass which can efficiently perform a process of cutting a glass sheet to produce a substrate and carrying the obtained substrate out to a carry-out destination. Plate cutting method.

The invention of the present invention is a glass sheet cutting method, which has a glass sheet loading operation, and a loading position of a glass sheet on which a scribe line is cut and carried into a conveyance unit; In the breaking operation, the glass sheet is cut by applying a pressing force along the scribe line of the glass sheet carried in the loading position; and the glass sheet is taken out and the belt conveyor is cut off. The cutting glass plate is carried out to the carry-out destination; the cutting operation includes a cutting step of cutting the glass plate by moving the pressing member applying the pressing force along the scribe line; and pressing the structure In the moving step, the pressing member after the cutting operation is completed is moved to the position of the scribe line of the next pressing target; and the cutting step is continued for any scribe line and the pressing of the next scribe line is continued In the member moving step, the cutting glass plate unloading operation can be performed simultaneously on the cut glass sheet.

Further, the cutting glass sheet carrying-out operation includes a cutting glass sheet holding step of holding the cutting glass sheet by a holding member for carrying out the cutting glass sheet to a carry-out destination carrying unit. The cutting glass plate on the belt conveyor is held; and in the cutting step of the cutting operation for any of the scribe lines, the cutting glass plate is removed from the glass plate being cut. The action of cutting the glass plate to maintain the step.

Further, the glass sheet conveying operation is such that the glass sheet carried in the loading position of the belt conveyor moves in the belt conveyor conveying direction, and the cutting glass sheet discharging operation system further includes a cutting glass sheet carrying-out step of carrying out the cut glass sheet held by the holding member to the carry-out destination; the pressing member moving step, the cutting glass sheet carrying out step, and the glass sheet conveying operation to overlap the working time At the same time.

Further, the glass sheet loading operation system is simultaneously performed with the glass sheet conveying operation performed on the glass sheet of the previous cutting target.

Further, the glass sheet cutting method according to the present invention further includes: a glass sheet position detecting operation, detecting a position of the glass sheet loaded into the loading position; and an updating operation based on a line position of the scribed line recorded in advance Information, and the aforementioned glass plate detected by the aforementioned detecting action The position information updates the line position information of the actual glass substrate that is carried in.

Further, the cutting step includes a movement restricting step of covering a glass sheet by the pressing member, and a movement restricting member for covering at least a part of the glass sheet located around the pressing member. To restrict the glass sheet from moving in the opposite direction to the pressing direction.

According to another aspect of the invention, there is provided a glass sheet cutting apparatus comprising: a conveyance unit provided with a belt conveyor on which a glass sheet to be cut and formed with a score line is placed, and the belt conveyor a driving mechanism for driving the conveyor, the glass plate is moved in a conveying direction by actuating the driving mechanism; and the pressing unit applies a pressing plate for cutting the glass plate to the glass plate placed on the belt conveyor a pressure; and a carry-out unit that carries out the cut glass sheet on the belt conveyor obtained by cutting; the pressing unit includes: a pressing member that applies a pressing force to the glass sheet; and presses The member moving mechanism is configured to perform a cutting operation of moving the pressing member that is pressed against the glass sheet along the scribe line to cut the glass sheet, and the carrying unit includes a holding member. And a holding member moving mechanism for moving the cut glass plate on the belt conveyor toward a carry-out destination; the carry-out unit is configured to be The step of pressing the cutting unit, so that the holding member moving mechanism so that the actuation on the belt conveyor towards the glass sheet cut-out destination mobile.

Further, the transport unit is moved by the pressing member of the pressing unit In the moving step, the driving mechanism is actuated to move the glass plate on the belt conveyor in the conveying direction.

Further, the holding member of the unloading unit can hold a plurality of cut glass sheets on the belt conveyor.

Further, a plurality of the pressing units are provided.

Further, the pressing member is a pressing roller that rolls along the scribe line, and the pressing roller is attached in a state in which the rolling movement direction can be changed.

Further, the pressing unit further includes a movement restricting member that restricts movement of the glass sheet subjected to the pressing force in a direction opposite to a pressing direction.

The movement restricting member covers the covering area, and the covering area is at least a part of the glass sheet located around the pressing member.

Further, the pressing unit further includes a movement restricting member that is disposed to face the peripheral edge portion of at least a part of the pressing position of the glass sheet pressed by the pressing member to restrict the glass sheet from being pressed and pressed Move in the opposite direction.

Further, the aforementioned movement restricting member is provided to surround the position to which the aforementioned pressing force is applied, and to face the upper surface of the glass sheet.

Further, one or more of the movement restricting members are provided with a horizontal moving unit that is detachable from the pressing roller.

Further, the plurality of movement restricting members are provided, and each of the movement restricting members has a horizontal moving unit that can move toward and away from each other in a horizontal plane.

Further, it is further provided with a surface of a belt conveyor on which a glass plate is placed A cleaning mechanism that performs cleaning.

Further, a debris collecting portion that collects debris is further provided.

Further, the pressing unit includes an air blowing nozzle that blows air toward a surface of the pressing member that abuts against the glass sheet.

According to the invention of the present application, when the glass plate is cut and the substrate is produced and the obtained substrate is carried out to the carry-out destination, the cutting glass member can be simultaneously removed from the cut glass sheet in the step of moving the pressing member. The operation of cutting and carrying out can be performed efficiently.

1‧‧‧ glass plate cutting device

10‧‧‧ device support frame

11‧‧‧Guiding components

11a‧‧‧rail

20‧‧‧Transport unit

20a‧‧‧Belt conveyor (conveyor)

21‧‧‧Conveyor belt

21a‧‧‧Transport surface (outer surface to the upper side)

22‧‧‧Rotating roller

23‧‧‧Motor (driver source)

24‧‧‧ drive belt

30‧‧‧ Press unit

30a‧‧‧ Pressing head

31‧‧‧Press head body

32‧‧‧Pressing head lifting section

32a‧‧‧Mobile unit

32b‧‧‧ rod

33‧‧‧Press roller

33a‧‧‧Rotary axis

33b‧‧‧ vertical axis

33z‧‧‧The lower end of the pressing roller

34‧‧‧The support part of the pressing roller

35‧‧‧ spray nozzle

36‧‧‧Moving restriction members

36a‧‧‧through section (through hole)

36b‧‧‧Restricted face

36c‧‧‧ recess

36d‧‧‧ avoidance

37‧‧‧ bracket

42‧‧‧ Pressing frame (pressing head support frame)

136, 236‧ ‧ ‧ limit films

136a, 236a‧‧‧through

42‧‧‧ Pressing frame

50‧‧‧ Moving out of the unit

50a‧‧‧ moving out

51‧‧‧Moving head body (holding member moving mechanism)

52‧‧‧ Lifting head lifting section (holding member movement mechanism)

53‧‧‧Sucker (holding member)

60‧‧‧ Keep head support

60x‧‧‧Without frame

71‧‧‧Laser light sensor

71a‧‧‧Laser Light Irradiation Department

71b‧‧‧Laser Light Receiving Department

80‧‧‧Substrate storage tray (substrate storage unit)

81‧‧‧Debris Recycling Department

81a‧‧‧Dust recycling bin

81b‧‧‧Trolley

82‧‧‧ cleaning unit

82a‧‧‧Guiding components for the cleaning unit

82b‧‧‧ Lifting unit

83‧‧‧Sweeping brush

84‧‧‧Attraction nozzle

M, M0~M2‧‧‧ glass plate (substrate material)

Ms‧‧‧Rectangle area

L, Lx, Lx1, Lx2

Lxm, Ly, Ly1

Ly2, Ly3, Lym‧‧

The outer periphery of the upstream side of the transport direction of the Me1‧‧‧ glass plate

The outer circumference of the downstream side of the transport direction of the Me2‧‧‧ glass plate

The outer periphery of the Me3‧‧‧ glass plate extending in the direction of transport

F‧‧‧ frame

S‧‧‧ substrate (cut glass plate)

S1‧‧‧ substrate

Q‧‧‧The periphery of the substrate and frame

R0~R10‧‧‧ cutting start position

E1‧‧‧Removable range of the pressing roller

E2‧‧‧ movable range of suction cups

E3‧‧‧ movable range

F1‧‧‧ cut off work area

F2‧‧‧ Moving out of the work area

Pressing work area of F3x, F3y‧‧‧ pressing roller

T‧‧‧ glass plate transfer action

T1‧‧‧ glass plate loading action

T2‧‧‧Intermittent transport operation (glass plate transport operation)

T1‧‧‧Transfer steps

T2‧‧‧Transfer stop step

C‧‧‧ position detection action

C1‧‧‧Moving position detection

C2‧‧‧Location detection action

D‧‧‧ cut off action

D1‧‧‧Scissing action on the X-direction score line

D2‧‧‧cutting action in the Y direction

D1‧‧‧ cutting step (press roller rotation step)

D2‧‧‧Press roller moving step (pressing member moving step)

H‧‧‧Removal action (cutting the glass plate out)

H1‧‧‧Removal of the substrate carrying out of the substrate in the cutting operation area

H2‧‧‧Removal of the substrate carrying out of the substrate moving to the unloading area

H1‧‧‧Substrate adsorption step (cut glass plate holding step, substrate holding step)

H2‧‧‧Substrate removal step (cutting the glass plate removal step and retreating step)

H3‧‧‧Sucker entry and exit steps (receiving step, entry and exit steps)

V‧‧‧Rolling direction of the pressing roller

X direction ‧‧‧Transfer direction

Y direction ‧‧‧ horizontal distance orthogonal to the X direction

X2‧‧‧Transfer direction

Xa‧‧‧Transport direction upstream side

XbZa‧‧‧ pressing direction

Zb‧‧‧above (opposite to the pressing direction)

Fig. 1 is a plan view showing a glass sheet cutting device of the first embodiment.

Fig. 2 is a front elevational view showing the glass sheet cutting device shown in Fig. 1.

Fig. 3 is a plan view showing a state in the middle of the operation of the glass sheet cutting device shown in Fig. 1;

Fig. 4 is a perspective view showing a pressing roller of the glass sheet cutting device.

Fig. 5 is a perspective view for explaining the operation of the pressing roller.

Fig. 6 is a timing chart schematically showing the operation timing of each step of each operation in the glass sheet cutting device of the embodiment.

Fig. 7 is a timing chart showing the operation timing of each step of each operation in the glass sheet cutting device of the first embodiment.

Fig. 8 is a timing chart showing the operation timing of each step of each operation in the glass sheet cutting device of the second embodiment.

Fig. 9 is a schematic view showing the structure of a pressing unit and a carrying unit of the glass sheet cutting device of the third embodiment.

Fig. 10 is a side elevational view, partly in section, showing an embodiment of a pressing unit including a movement restricting member.

Fig. 11 is a plan sectional view showing a cross section taken along the line A-A of the pressing unit shown in Fig. 10; Fig. 12 is an explanatory view for explaining the action of the movement restricting member in the cutting step.

Fig. 13 is a plan view showing a movement restricting member of a specific example when the movement restricting members are plural.

Next, an embodiment of the glass sheet cutting device of the present invention will be described with reference to the drawings.

[Example 1]

The glass plate cutting device 1 is a device (see FIG. 1) for manufacturing a substrate (cut glass plate) S obtained by cutting a large glass plate (substrate material) M (M0, M1, M2).

The glass plate M to be cut in the present embodiment has a rectangular shape as shown in FIG. 1, and a scribe line L (Lx, Ly) is formed in advance before being carried into the glass sheet cutting device 1. Further, the score line L refers to a cut position of the specific glass sheet M and is a linear cut that is easily cut, and is formed, for example, by a cutting tool or a laser beam.

The scribe line L has a plurality of X-direction scribe lines Lx parallel to the outer peripheral edge extending in the transport direction X of the glass sheet M, and a plurality of parallel lines extending in the horizontal direction Y orthogonal to the X direction. Strip Y in the Y direction. That is, the score line L is formed in a lattice shape, and a plurality of rectangular regions Ms surrounded by the score line are formed on the glass sheet M.

As shown in FIGS. 1 and 2, the glass sheet cutting device 1 includes a device support frame 10 that supports the entire device, a transfer unit 20 that is provided on the device support frame 10, a pressing unit 30, and a carry-out unit 50.

The device support frame 10 is provided with a guide member 11 and is provided on the upper surface thereof. The guide member 11 supports the pressing frame 42 and the carrying-out frame 60, which will be described later, in a state of being moved in the X direction (the conveying direction of the glass sheet M to be cut), and is provided to extend in the conveying direction X of the glass sheet M. A pair of guide rails 11a, 11a. The pair of guide rails 11a and 11a are disposed on both sides of the transport unit 20 so as to sandwich the transport unit 20.

The transport unit 20 is a belt conveyor (hereinafter referred to simply as a conveyor) 20a, and has an endless conveyor belt 21 and a pair of rotating rollers 22 and 22 that operate the conveyor belt 21; The drive source 23 activates the conveyor belt 21; and the drive belt 24 transmits the rotation of the motor 23 to one of the rotary rollers 22.

Each of the rotating rollers 22 is provided to be rotatable about a rotation axis extending in the horizontal direction Y orthogonal to the conveying direction X. That is, the conveying surface of the conveyor belt 21 21a (outer surface on the upper side) is movable in the transport direction X. When the motor 23 is actuated to move the transport surface 21a of the transport belt 21 to a tray 80 (substrate storage portion, carry-out destination) to be described later, the load on the transport belt 21 (for example, the glass sheet M) is directed downstream in the transport direction. The side direction Xa is transported.

Further, an upstream side belt conveyor (not shown) is provided on the upstream side in the conveyance direction of the conveyance unit 20. This upstream side belt conveyor is used to carry the glass sheet M toward the conveyor 20a, and operates in synchronization with the conveying unit 20. Therefore, the detailed operation description will be omitted in the description of the operation to be described later. Further, instead of the upstream side belt conveyor, the multi-joint robot may be disposed, and the glass plate M may be carried into the transport unit 20 by the multi-joint robot.

The pressing unit 30 is configured to apply a pressing force to the glass sheet M and cut the glass sheet M along the scribe line L, and is disposed above the conveyor belt 21. Next, the pressing unit 30 includes a pressing head 30a, and includes a pressing roller 33 (pressing member) to be described later, and a pressing frame (pressing head supporting frame) 42 that movably supports the pressing head 30a.

The pressing frame 42 is a gate-shaped member and is movable in the X direction along the pair of guide rails 11a and 11a. Further, the movable range E1 of the pressing head body 31 is as shown in FIG. 2. In other words, the pressing head main body 31 is movable between the retreating limit position (refer to the position of the pressing head main body 31 of FIG. 2) and the inward and lower limit position which is closer to the downstream side Xa in the conveying direction than the retreating limit position.

The pressing head 30a has a pressing head body 31 that is provided to move in the Y direction with respect to the pressing frame 42. The lifting portion 32 of the pressing head is opposed to the pressing. The head body 31 is provided to be movable up and down, and a pressing roller 33 and an injection nozzle 35 (see FIG. 4) attached to the lifting portion 32. Therefore, when the elevation portion 32 of the pressing head 30a is lowered, the pressing roller 33 and the ejection nozzle 35 are lowered, and the moving belt 21 is moved toward the conveyor belt 21.

As shown in FIG. 4, the pressing roller 33 is pressed against the glass sheet M placed on the conveyor 20a by the lowering, and pivotally supports the rotating shaft 33a extending in the horizontal direction. The support portion 34 of the rotating shaft 33a is attached to the lifting portion 32 in a state of being rotatable about the vertical axis 33b. Therefore, the pressing roller 33 is rotatable about the vertical axis with respect to the pressing head body 31.

In the cutting step d1 (refer to the section 1 or the section 8 of FIG. 7) of the cutting operations D1 and D2, which will be described later, the pressing roller 33 is pressed against the glass sheet M on the conveyor 20a, and the pressing is performed. The roller 33 moves along the scribe line L of the glass sheet M (refer to FIG. 5). Thereby, the glass plate M is cut along the scribe line L, and the substrate S is obtained.

In addition, in the following description, the area which pinched the scribe line L (or the outer periphery of the glass plate M) which existed in the both sides of the scribe line L of the pressing object (or the pressing) is called the pressing roller 33. Pressing the work areas F3x, F3y. For example, when the scribe line Lx1 shown in FIG. 5 is a pressing target, the area sandwiched by the outer peripheral edge Me3 and the scribe line Lx2 on one side (the lower right side in FIG. 5) of the glass sheet M is a pressing roller. When the scribe line Ly2 is the pressing target, the region where the scribe lines Ly1 and Ly3 are present on both sides of the pressing work area F3x of 33 is the pressing work area F3y of the pressing roller 33. In particular, in the cutting of the score line Ly in the Y direction, the glass sheet M before cutting (or the uncut portion of the glass sheet M) is located on the upstream side of the pressing work area F3y, and Since the obtained substrate S is located on the downstream side of the pressing work area F3y, the pressing work area F3y is a boundary area between the area where the glass sheet M is divided and the area of the substrate S.

The injection nozzle 35 blows air toward the outer circumferential surface of the pressing roller 33. Thereby, it is possible to remove foreign matter such as dust adhering to the outer peripheral surface of the glass sheet M by the pressing roller 33.

The unloading unit 50 carries out the substrate S on the conveyor 20a, and is disposed adjacent to the downstream side in the conveying direction of the conveyor belt 21. Next, the carry-out unit 50 includes a carry-out head 50a, a suction cup (holding member) 53 to be described later, and a carry-out frame (holding head support portion) 60 to movably support the carry-out head 50a.

The carry-out frame (holding member moving mechanism) 60 is a gate-shaped member provided on the pair of guide rails 11a and 11a, and moves in the X direction along the guide member 11.

The carry-out head 50a includes a head unit (holding member moving mechanism) 51 that is provided to move in the Y direction with respect to the carry-out frame 60, and a lift unit 52 (holding member moving mechanism) of the carry-out head 50a with respect to the carry-out head. The body 51 is movably disposed; and a suction cup 53 is attached to the lifting portion 52. Therefore, when the elevating portion 52 of the carry-out head 50a is lowered, the suction cup 53 is lowered and moved toward the conveyor belt 21.

The suction cup 53 is pressed against the substrate S on the conveyor 20a by the lowering, and the substrate S to be pressed is held by the suction.

Further, the movable range E2 of the suction cup 53 is as shown in FIG. 2. That is, suck The disk 53 is movable between a retreat limit position (refer to the position of the suction cup 53 of FIG. 2) and an entry/exit limit position which is closer to the upstream side Xb in the conveyance direction than the retreat limit position. When only the substrate S of the unloading work area F2 is carried out without carrying out the substrate S from the cutting work area F1, the suction cup 53 can be moved within the movable range E3.

The glass plate cutting device 1 further includes: a position detecting unit (position detecting member) for the glass plate M, a substrate storage tray (substrate receiving portion) 80, a device supporting frame 10, a debris collecting portion 81, and a cleaning unit 82; And a controller (not shown) controls the operation of the glass sheet cutting device 1.

The position detecting unit acquires the position specifying material for the glass sheet M carried into the conveyor 20a, and includes a laser light sensor 71 including the loading side of the glass sheet M disposed on the guide rail 11a. The transmissive laser beam irradiation unit 71a and the light receiving unit 71b at the end. The optical axis of the laser light sensor 71 is determined according to the height of the glass plate M that passes through and is directed in the Y direction. Therefore, when the glass sheet M is carried into the belt conveyor 20a, the material for the specific position of the glass sheet M on the conveyor 20a is detected by blocking the transmitted light.

The detected data is sent to the controller, and the positions of the outer peripheral edges Me1 and Me2 of the glass sheet M in the Y direction are calculated based on the data. The calculated position information of the outer circumferences Me1 and Me2 is recorded in the recording unit of the controller. In addition, the glass sheet M carried in the belt conveyor 20a is pinched by a pusher (not shown), and is carried in a state in which the offset in the XY direction is corrected.

The substrate storage tray (hereinafter simply referred to as a tray) 80 is provided at a position adjacent to the downstream side in the conveyance direction of the conveyor 20a. The substrate S on the conveyor 20a obtained by the cutting is placed on the tray 80 by the carry-out head 50a, and is carried out.

The debris collection unit 81 is configured to collect foreign matter such as debris of the glass generated when the glass sheet is cut, and is disposed at a recovery time position below the end portion on the downstream side in the conveyance direction of the conveyor 20a. The debris collection unit 81 includes a debris collection box 81a having an opening at its upper end, and a carriage 81b detachably provided with a debris collection box 81a. Therefore, when the glass sheet cutting device 1 is actuated in the state where the waste material collection unit 81 is installed at the time of the collection, the upper side surface (transport surface) of the conveyor belt 21 is wound around the conveyor 20a at the end on the downstream side in the conveyance direction. At the lower side, the debris on the conveyor belt 21 is dropped from the conveying surface 21a into the debris collection box 81a and recovered. Therefore, the debris can be efficiently recovered. Further, for each of the carts 81b, the debris collection box 81a can be pulled out from the position at the time of collection to the take-out position of the outside of the apparatus support frame 10. Therefore, the process of recovering the debris of the debris collection box 81a is also easy.

The cleaning unit 82 removes foreign matter such as dust adhering to the outer surface of the conveyor belt 21, and includes a guide member 82a of the cleaning unit, which is provided in the apparatus support frame 10, and a lifting portion 82b of the cleaning unit that can be raised and lowered with respect to the guide member 82a. Provided; a cleaning brush 83 and a suction nozzle 84 provided in the lifting portion 82b; and a brush rotating rotation mechanism and a nozzle suction suction pump (both Not shown).

The cleaning brush 83 has a cylindrical shape and has bristles extending radially from the center thereof so as to be rotatable about a shaft extending in the Y direction.

Moreover, the guide member 82a is provided in a state of extending in the vertical direction. Next, the lifting portion 82b can be moved up and down along the guiding member 82a between the cleaning position (refer to the position of the two-dot chain line in FIG. 2) and the avoiding position (see the position of the solid line in FIG. 2). The outer periphery of the position cleaning brush 83 abuts against the lower surface (lower surface) of the conveyor belt 21, and the avoidance position is such that the outer peripheral portion of the cleaning brush 83 is separated from the surface of the conveyor belt 21. Therefore, when the cleaning brush 83 is rotated while the lifting portion 82b is in the cleaning position, the surface of the conveyor belt 21 is cleaned.

The suction nozzle 84 has an opening portion having a slit shape at its tip end, and is provided in a state in which the opening portion is adjacent to the outer peripheral portion of the cylindrical cleaning brush 83. When the suction nozzle 84 is in the suction state, foreign matter such as dust removed from the surface of the conveyor belt 21 by the cleaning brush 83 is sucked by the suction nozzle 84.

According to such a cleaning unit 82, the surface of the conveyor belt 21 of the conveyor 20a can always be maintained in a clean state, and it is possible to surely prevent foreign matter such as dust from being scattered.

The controller (not shown) is a well-known member including a calculation unit (CPU; central processing unit) and a recording unit (RAM; random access memory and ROM; read only memory). Then, remember The recording unit is provided with a recording unit, a control program, a basic information recording unit that records pre-recorded information, a detection information recording unit, a recording detection data, and detection information calculated based on the detection data. The controller controls the operation of the glass sheet cutting device 1 based on these recorded information.

The pre-recorded information refers to, for example, information on the size or shape of the glass sheet M to be carried in (including the position of each of the previously formed scribe lines Lx and Ly), the reference carry-in position information, and the scribe line position information.

Further, the reference loading position information refers to information relating to the optimal loading position of the glass sheet M. In the present embodiment, the optimum loading position is the position data indicating the four corner positions of the glass sheet, and the optimum loading position is the position at which the glass sheet M is loaded and the cutting operation at which the first stop is started. The four-corner position is a positional data showing the relative positional relationship of the glass sheet M with respect to the device support frame 10.

Further, the scribe line position information refers to positional information on the positions of the scribe lines Lx and Ly formed on the glass sheet M to be carried in. The position of each scribe line is a scribe line reference position based on the glass sheet M as a reference before the start of the cutting operation. For example, it is taught in advance which position of the glass sheet M is formed with a score line. Location data (absolute value). Therefore, the actual position of the glass sheet M at the start of the cutting operation is obtained based on the absolute value of the score line of the score line position information and the relative positional relationship of the glass sheet M with respect to the apparatus support frame 10 based on the reference position information. Cut off location information.

The detection data refers to, for example, positional information other than the conveyance direction X of the outer circumferences Me1 and Me2 of the glass sheet M detected by the laser light sensor 71. There is also information measured by a sensor inspection provided at each part of the glass sheet cutting device. For example, the conveyance amount (transport distance) of the conveyor belt 21 detected by the encoder attached to the rotary roller 22, and the lift state of the pressing roller 33 detected by the sensor provided on the elevation portion 32 of the pressing head 30a. The lifting state of the suction cup 53 of the lifting portion 52 detected by the sensor provided in the lifting portion 52 of the carrying-out head 50a, and the carrying-out frame 60 detected by the sensor provided on the carrying-out frame 60 The location information of the transport direction X. These materials are updated at any time by data that is output from each sensor at any time.

Further, the detection information refers to information calculated using these detection data and other data recorded in the recording unit. For example, the operation state (stop state) of the conveyor, the actual position information of the glass sheet M (including the position information of the actual score line L), and the carry-out state of the substrate S (position information of the next carry-out substrate) , press the position information of the roller, the position information of the suction cup, and the like.

Next, a method of cutting a glass sheet by the glass sheet cutting device 1 of the embodiment will be described.

As shown in FIG. 6, the glass sheet cutting method of the present embodiment has a glass sheet conveying operation T by the conveyor 20a, a cutting operation D of the glass sheet M by the pressing head 30a, and a carrying-out head 50a. The unloading operation H of the substrate S after the cutting; the belt cleaning operation by the cleaning brush 83, and the position detecting operation C of the glass sheet M to be carried in (see FIGS. 7 and 8).

Next, the steps constituting each operation are executed at predetermined timings, thereby cutting off The glass plate M forms the substrate S, and the formed substrate S is carried out to the carry-out destination.

That is, the conveyor 20a is in operation (when the operation is turned ON), and the glass sheet M is conveyed at a predetermined timing. As the timing of performing the transfer, there are cases where the operation is continuously performed (when the operation is turned on) and the operation is interrupted (intermittently). The glass sheet M is sequentially conveyed in the order of the first glass sheet M0, the next glass sheet M1, and the next glass sheet M2 by the conveyance of the conveyor.

When the pressing head 30a is in operation (when the operation is turned on), the glass sheet M is cut at a predetermined timing. The cutting execution timing means when the conveyor 20a is stopped. The conveyance stop state of the conveyor 20a means that the conveyor 20a during operation (operation is turned on) is in the stop of transportation (for example, sections 1, 3, and 5 in Fig. 8), and the conveyor 20a is in operation stop (operation is interrupted). When it is OFF (for example, the intervals 1 to 8 of FIG. 7 and the like). Fig. 6 shows an example in which the pressing head 30a is in an operating state (operation is turned on) at the timing when the conveyor 20a is in an operation stop state (operation is turned off) (refer to the start of cutting of the glass sheet M0). Further, in this example, during the operation of the pressing head 30a (when the operation is turned on: when the pressing roller moving step d2 is described later in detail), the conveyor 20a is in an operating state (operation is turned on), and the glass plate is placed at the predetermined timing. M only transports a distance of half the length of the transport direction.

The carry-out head 50a is in operation (when the operation is turned on), and the substrate S is adsorbed at a predetermined timing and carried out from the conveyor 20a. The timing at which the adsorption is performed is, for example, downstream of the conveyance direction of the pressing work area F3y (refer to FIG. 5) of the pressing roller 33. When the substrate S is present on the side, the conveyor 20a that is in operation (operation is turned on) is in the state where the conveyance is stopped. FIG. 6 is a timing chart showing the timing at which the cutting of the half of the downstream side in the transport direction of the glass sheet M during the cutting is completed (the timing at which the downstream half is present on the downstream side in the transport direction of the pressing working region F3y) The unloading of the substrate S obtained from the glass plate M0 being cut is started (refer to the start of the unloading of the first half of the glass plate M0). Moreover, in this example, after the cutting of the previous glass sheet M0 is completed, the timing of cutting the next glass sheet M1 is started, and the substrate S of the second half of the glass sheet M0 is started to be carried out.

The cleaning brush 83 is in operation (when the operation is turned on), and the surface of the conveyor (the back surface of the conveying surface) is cleaned at a predetermined timing. The timing of performing the cleaning is shown in Fig. 6 in which the conveyor 20a is in operation (when the operation is turned on).

Next, each of these actions will be described in detail.

The glass plate transporting operation T is an operation of transporting the glass sheet M0 (M) on the conveyor 20a of the transport unit 20 in the transport direction Xa, and is referred to as a glass sheet loading operation T1 (see FIG. 7) or intermittently depending on the operation timing. The transport operation T2 (see Fig. 8). Each of the glass sheet conveying operations T1 and T2 has a transporting step t1 (see section 9 in FIG. 7 and section 2 in FIG. 8) and a transport stop step t2 in which the transport is stopped (see section 10 of FIG. 7 and section 3 of FIG. 8). ).

In the transporting step t1, the rotating roller 22 is actuated to move the glass sheet M0 on the conveyor 20a in the transport direction Xa. The transfer step t1 is pressed The roller 33 and the suction cup 53 are executed when they are not in contact with the glass plate M0 or the substrate S on the conveyor 20a. Therefore, for example, when the cutting step d1 to be described later of the glass sheet M0 is completed, or when the carrying-out step h2 described later by the suction cup 53 is started, the transporting step t1 can be executed. Moreover, the conveyance distance in the conveyance step t1 is determined by the conveyance speed of the conveyor 20a and the operation time.

In the conveyance step t1, when the upper side surface (transport surface) 21a of the conveyor belt 21 in the conveyance operation reaches the end portion on the downstream side in the conveyance direction, it wraps around the lower side of the conveyor 20a. At this time, foreign matter such as debris on the conveying surface 21a falls to the debris collection box 81a and is recovered.

In the conveyance stop step t2, the rotating roller 22 is stopped and the conveyance of the glass sheet M0 is stopped.

In the glass sheet loading operation T1 (see the section 9 in FIG. 7), the glass sheet M0 sent from the upstream side in the transport direction of the transport unit 20 is carried into the loading position of the cutting work area F1 on the conveyor 20a (Fig. 1 position of the glass plate M0). By this operation, the glass sheet M0 conveyed from the previous step on the upstream side in the conveyance direction is carried into the conveyor 20a. Further, when the glass plate is carried in, the laser light sensor 71 detects the glass plate M0 passing through the sensor position. The conveyor 20a is stopped after a predetermined time has elapsed from the timing at which the trailing edge Me2 (or the leading edge Me1) of the glass sheet M0 is detected (transport stop step t2), and the glass sheet M0 is stopped at the reference position on the conveyor 20a. Further, the time until the stop is calculated in advance based on the operating conditions of the conveyor 20a.

Then, when the subsequent glass sheet M1 is moved into the loading position, it is The substrate S (the substrate obtained by cutting the glass sheet M0) in the work area F1 is moved to the carry-out work area F2 (see FIG. 3).

In the intermittent conveyance operation T2, the glass sheet M0 carried in to the loading position is further conveyed in the conveyance direction Xa. By this operation, the glass sheet can be conveyed in the pressing roller moving step d2 between the cutting steps d1 (for example, referring to the conveying step t1 executed in the section 4 of FIG. 8).

The position detecting operation C is an operation for detecting the position of the glass sheet M or the cut substrate S, and is referred to as a carry-in position detecting operation C1 (see section 10 in FIG. 7) or a current position detecting operation C2 (see FIG. 7). Interval 1).

In the carry-in position detecting operation C1, the position of the glass sheet M on the conveyor 20a at the time of the glass sheet loading operation T1 is detected. The carry-in position detecting operation C1 includes detection processing of the glass sheet loading position and calculation processing (update processing) of the scribe line position.

In the detection processing of the glass plate loading position, the laser light sensor 71 detects the loading information of the rear end edge Me1 (or the front end edge Me2) of the glass sheet M. When the controller obtains the detection information, the actual calculation of the glass sheet M is calculated based on the conveyance speed and the elapsed time of the conveyor 20a, the encoder information of the rotating roller 22 of the driving conveyor 20a, and the size of the glass sheet M taught in advance. The position information is driven and the conveyor 20a is driven until the glass sheet M reaches a predetermined stop position. Next, after the glass sheet M reaches the stop position and the driving of the conveyor 20a is stopped, the stop position is recorded to the detection information recording unit. Simultaneously, Read the position information of the scribe line that was previously taught.

In the current position detecting operation C2, the current position (time position information) of the glass sheet M whose position has been changed by the intermittent transport operation T2 is detected (see the second embodiment). This operation is performed in the cutting step d1 of the cutting operations D1 and D2 of the glass sheet M (that is, in the transport stop step t2). Further, the current position detecting operation C2 also includes an update process of the glass sheet loading position and an arithmetic processing (update processing) of the scribe line position.

In the detection processing of the glass sheet loading position, the actual position information of the glass sheet M is calculated based on the position information of the glass sheet M recorded at the time of the loading position detecting operation C1 and the driving information of the conveyor 20a, and is recorded in the detection information record. unit. Next, the position information of the actual score line L is simultaneously calculated and recorded in the detection information recording unit (operation processing (update processing) of the score line position). Thereby, the positional information of the glass sheet M and the score line L is updated at any time.

The cutting operation D is an operation of cutting the glass sheet M along the scribe line L, and has a cutting operation D1 for the X-direction scribe line Lx (see the sections 1, 11 to 16 in Fig. 7), and an engraving in the Y direction. The cutting operation D2 of the scribe line Ly (see the sections 2 to 8 of Fig. 7). Both of the cutting operations D1 and D2 have a cutting step d1 and a pressing roller moving step d2.

The cutting step d1 is a step of rolling the pressing roller 33 pressed against the glass sheet M along the scribe line L (Lx, Ly) and cutting the glass sheet M along the scribe line L. Step. This step d1 is executed during the stop of the transport.

The pressing roller moving step d2 is a step of moving the pressing roller 33 after the cutting step is completed to the cutting start position of the scribe line L of the next cutting target. For example, the step of moving the pressing roller 33 of the cutting step d1 of the end scribe line Lx1 (or Ly1, see FIG. 5) to the cutting start position of the next scribe line Lx2 (or Ly2) is performed. Further, the pressing roller moving step d2 includes the following operations in more detail. In other words, the operation of moving the pressing roller 33 away from the glass sheet M, the operation of moving the pressing roller 33 to the start position of the next cutting step, and the rotation of the pressing roller 33 about the vertical axis 33b causes the rolling direction of the pressing roller 33 to be The operation of the scribe line L (Lx2 or Ly2) of the next cutting target is aligned, and the pressing roller 33 is pressed against the starting position of the cutting step.

Further, in the cutting operation D of the present embodiment, first, the cutting operation D1 for the X-direction scribe line Lx is performed first, and then the cutting operation D2 for the Y-direction scribe line Ly is performed.

Then, the first cutting step d1 in the cutting operation D1 of the plurality of X-direction scribe lines Lx is performed on either the rightmost side in the transport direction X or the X-direction scribe line Lx on the leftmost side. . The score line close to the pressing roller 33 is selected at the time point when the cutting operation D1 is started. Thereafter, the X-direction scribe line Lx before the cutting is sequentially performed in the manner of performing the next cutting step d1 on the scribe line Lx2 adjacent to the end-cut X-direction scribe line Lx1. Cut off.

Further, the cutting operation D2 for the plurality of Y-direction scribe lines Ly is executed in the following order. First, the Y side located on the most downstream side of the transport direction X The cutting step d1 is performed to the score line Ly1 (refer to FIG. 5). Thereafter, the cutting step d1 is performed on the scribe line Ly2 adjacent to the upstream side of the Y-direction scribe line Ly1 that has been cut. In this manner, the Y-direction scribe line Ly located at the upstream side position is sequentially cut.

The carry-out operation H is an operation of carrying out the cut substrate S to the tray 80, and is referred to as a substrate unloading operation H1 (refer to sections 4 to 9 in FIG. 7) or a substrate carrying-out operation H2 depending on the operation timing (see the section of FIG. 7). 10 to 15).

Each of the substrate unloading operations H1 and H2 includes a substrate adsorption step h1 (cut glass plate holding step and substrate holding step), and a substrate carrying out step h2 (cutting the glass) for transporting and transporting the adsorbed substrate S to the carry-out destination. The plate loading step and the retreating step) and the chuck moving in and out step h3 (receiving step, entering and leaving step) for moving the loaded suction cup 53 to the position of the next substrate S to be carried out.

The substrate adsorption step h1 is a step of lowering the chuck 53 toward the substrate S1 to be carried out on the conveyor 20a and sucking the chuck 53 against the substrate S1. Thereby, the substrate S1 is held by the chuck 53. Further, the substrate S held here is held until the end of the next substrate carrying-out step h2, and finally carried out to the tray 80. In other words, the adsorption of the substrate S is turned on between the substrate adsorption step h1 and the substrate carry-out step h2. Moreover, the adsorption position of the substrate S1 by the suction cup 53 corresponds to the amount of the cut surface which is taught in advance.

The substrate carry-out step h2 causes the chuck 53 of the adsorption substrate S1 to rise, and The step of moving to the position of the tray (moving out of destination) 80. Thereafter, the adsorption state of the substrate S1 is released, and the substrate S is transferred onto the storage tray 80. Thereby, the carry-out of the substrate S1 is completed.

The suction-and-groove-in step h3 is a step of moving the suction cup 53 after the substrate S1 is carried out to a position above the substrate S2 to be carried out next.

In the substrate carrying-out operation H1, the substrate S located closer to the downstream side in the transport direction than the pressing work area F3y (see FIG. 5) of the pressing roller 33, which is the cutting work area F1 (see FIG. 1), is carried out. Further, in order to perform the cutting operation for the priority carrying operation, when the first glass sheet M0 is cut, the unloading operation is delayed.

In the substrate unloading operation H2, the substrate S moved to the carry-out work area F2 (see FIG. 1) is carried out to the carry-out destination.

The belt cleaning operation includes an elevation of the cleaning lifting portion 82b, a rotation of the cleaning brush 83, a stop of the rotation of the cleaning brush 83, a suction of the suction nozzle 84, and a stop of suction. In the present embodiment, when the operation of the glass sheet cutting device 1 is started, the cleaning lifting portion 82b is raised, and the cleaning brush 83 is positioned at the cleaning position, and the rotation operation of the cleaning brush 83 and the suction operation of the suction nozzle 84 are performed. . Thereby, the conveyor belt 21 can be cleaned by the cleaning brush 83 and the suction nozzle 84. When the operation of the glass sheet cutting device 1 is completed, the cleaning lifting portion 82b is lowered, and the rotation stop operation of the cleaning brush 83 and the stop operation of suction are performed.

Next, an example (first embodiment) of the glass sheet cutting method of the present invention will be described with reference to Fig. 7 .

Here, the glass sheet M0 that is first carried into the conveyor 20a is cut by the cutting operation D1 for the scribe line Lx in all the X directions, and the cutting operation D2 for the first Y direction scribe line Ly. The state in which the step d1 is started (the state in which the pressing roller 33 is located at the roller position R4 in Fig. 5) will be described as a reference.

When the pressing roller 33 starts the cutting step d1 of the cutting operation D2 in the Y direction (see section 3 in FIG. 7), the pressing line 33 is scrolled from the starting position R4 (see FIG. 5) to the end along the Y-direction scribe line Ly1. Position R5 (refer to Figure 5). Thereby, the glass plate M0 is cut along the Y-direction scribe line Ly1.

When the cutting step d1 is completed, the pressing roller 33 is moved to the cutting start position (here, the position R8 of the left end portion) of the Y-direction scribe line of the next cutting target, and the pressing roller moving step d2 is executed. (Refer to section 4). Thereby, the pressing roller 33 moves to the cutting start position R8 via the positions R6 and R7.

When the pressing roller moving step d2 is completed, the cutting step d1 (refer to the section 5) for the Y-direction scribe line Ly2 of the next cutting target is started.

In the present embodiment, the cutting operation D2 constituted by such a step is repeatedly executed until the cutting operation for all the Y-direction scribe lines Ly ends. In the present invention, the cutting operation of the X-direction scribe line Lx and the Y-direction scribe line Ly is performed from the front side of the glass sheet M0 in the transport direction. The cutting method is highly efficient and suitable for mass production.

However, in the present embodiment, it is executed in parallel with the above-described cutting operation D2. The substrate carry-out operation H1 (see sections 4 to 9 in Fig. 7). First, in order to move the suction cup 53 to the upper position of the substrate S to be carried out, the suction-and-groove-in step h3 is started (refer to the sections 4 to 5).

Further, in the case of the first glass sheet M0, the start of step h3 is in a standby state, and the chuck 53 is stopped at a position immediately before (see sections 1 to 4) until the chuck 53 is positioned on the substrate S1 (refer to The state above the Figure 5). After that, when the reason for the standby is eliminated, the execution of the suction-in/out operation h3 is ended, and the suction cup 53 is in a state above the substrate S1 to be carried out. Further, it is also possible to wait until the substrate S1 is moved to the carry-out work area F2.

When the suction-in/out-out step h3 is completed, next, the substrate adsorption step h1 (see section 5) is performed so that the substrate S1 to be carried out is held by the chuck 53. In the present embodiment, since the substrate S1 is sucked by the suction cup 53 in the cutting step, the substrate can be quickly carried out.

Next, in a state in which the substrate S is adsorbed and held, the substrate carry-out step h2 (see section 5) is performed, and the substrate S is transferred to the tray 80.

Then, in order to move the suction cup 53 to the upper side of the substrate S2 to be carried out next, the suction-and-suck-out step h3 (refer to the section 5) described first is started.

In the present embodiment, each step of the carry-out operation is repeatedly executed in parallel with the cutting operation until the cutting operation for all the Y-direction scribe lines Ly ends.

Next, when the pressing roller 33 reaches the end of the cutting step d1 (see section 8) of the Y-direction scribe line Lym (see FIG. 5) of the last cutting target At the position R9, after the pressing roller 33 is separated from the glass sheet M0, the cutting operation D2 ends (see section 8). At this point of time, the cutting operation D2 for all the Y-direction scribe lines Ly ends, and all the cutting operations D1 and D2 of the glass sheet M0 to be cut are completed.

When the cutting of the glass sheet M0 is completed, the glass sheet M1 of the next cutting target is carried to the loading position (refer to the transporting step t1 and the section 9 of the glass sheet loading operation T1). According to this operation, the substrate S obtained by cutting the glass sheet M0 is moved to the carry-out work area F2 (see FIG. 1), and the new glass sheet M1 is carried into the carry-in position (see FIG. 3). At this time, the position information of the glass sheet M1 is detected by the laser light sensor 71. Further, the position of the transport direction X of each of the substrates S transported to the carry-out work area F2 is based on the position of the subsequent glass sheet M1 (that is, the position of the front end edge Me1 or the rear end edge Me2) and the conveyance distance of the conveyor 20a. Calculated.

When the new glass sheet M1 is carried in, the conveyance stop step is executed, and the glass sheet carry-in position detecting operation C1 is performed (see section 10).

However, when the transporting step t1 of the loading operation T1 of the glass sheet M1 is started, the substrate unloading operation H1 is temporarily interrupted (see section 9). Further, before the start time point of the transport step t1, if the substrate S adsorbed by the chuck 53 is present, the substrate carry-out step h2 is executed, and after the substrate S is transferred to the tray 80, the operation is terminated.

Then, when the loading of the subsequent glass sheet M1 is completed, the substrate S located in the cutting work area F1 is moved to the carry-out operation area F2. (Refer to FIG. 3), the substrate unloading operation H2 (see section 10) is restarted for the substrate S moved to the carry-out work area F2. While the substrate carrying-out operation H2 is being performed, the cutting operation D is performed on the subsequent glass sheet M1 that is carried into the cutting work area F1.

Then, when the substrate unloading operation H2 is completed (see section 15), the substrate unloading operation H1 of the substrate S cut from the glass sheet M1 is started (see section 19). However, when there is no substrate S on the downstream side in the transport direction from the cutting and pressing work area F3y (see FIG. 5) of the pressing roller, the board S is waited for the board S to be present, and then the board carrying operation H1 of the board S is started. In addition, the substrate carry-out operation H1 performed here is the same as the carry-out operation H1 described above, and thus the description thereof will be omitted.

When the loading position detecting operation C1 (reference section 10) is completed and the loading position of the newly loaded glass sheet M1 is specified, the pressing roller moving step d2 of the cutting operation D1 is executed (see section 11). In this step, the pressing roller 33 is pressed against the cutting start position R10 (=R0, see FIG. 5) which is the upstream end of the transport direction of the X-direction scribe line Lx belonging to the first cutting target. In addition, the first cutting target is a position close to the pressing roller 33 at the time of starting the cutting operation after the completion of the loading, and the scribe line Lx in the X direction of the forefront of the conveying direction.

Then, the cutting step d1 is next performed (refer to section 12).

In addition, the cutting operation D1 performed here is only the same as the cutting target, and the operation itself is the same as the cutting operation D2 described above, and thus the description thereof will be omitted.

Then, when the cutting step d1 (reference section 16) for the last X-direction scribe line Lxm is completed, the state in which the pressing roller is at the end position R1 (refer to FIG. 5) is reached, and therefore, the pressing roller moving step d2 is performed ( Refer to interval 17). Thereby, the pressing roller 33 is moved to the cutting start position R4 of the first Y-direction scribe line Ly1 of the glass sheet M1 via the positions R2 and R3 in the middle. Next, the cutting operation D2 for the Y-direction scribe line Ly is performed (refer to the section 17 and subsequent sections). This operation has been described before, and therefore the description thereof will be omitted.

[Example 2]

Next, another cutting method performed by the glass sheet cutting device will be described.

The cutting method of the present embodiment is a method of performing the intermittent conveying operation T2 in parallel with the cutting operations D1 and D2 described in the first embodiment. More specifically, in the present embodiment, in the pressing roller moving step d2 of the cutting operations D1 and D2, the conveying step t1 of the conveyance glass sheet M is executed in parallel with the step d2 (for example, referring to the section of FIG. 8 2, 4, 6).

Further, the glass sheet cutting device of the present embodiment is the same as the device of the first embodiment, and the cutting method of the present embodiment is the same as that of the first embodiment except that the intermittent conveying operation T2 is performed, and thus detailed description thereof will be omitted.

In the case of the present embodiment, when the pressing roller moving step d2 (see section 2 in Fig. 8) is started, the pressing roller 33 is separated from the glass sheet M0. At this time, the transport step t1 (see section 2) is executed in parallel with the step d2. Then, each time the transport step t1 is performed, the positional information of the glass plate M0 (the substrate S cut from the glass plate M0) and M1 is updated. Thereafter, each step such as the cutting step d1 is performed based on the updated position information.

When the pressing roller 33 (and the suction cup 53) is not in contact with the glass sheet M0, the glass sheet M0 on the conveyor 20a can be conveyed without the pressing roller 33 damaging the glass sheet M0. In addition, when the cutting operations D1 and D2 and the conveying operation T2 can be performed in parallel, the work efficiency (yield) of cutting the glass sheet M0 and carrying out the substrate S is improved.

Then, the transport step t1 of the intermittent transport operation T2 is stopped before the start of the cutting step d1 (when the pressing roller moving step ends) (the transport stop step, the reference section 3).

In the present embodiment, each step of the intermittent conveyance operation is repeatedly executed in parallel with the cutting operation until the cutting operation for all the Y-direction scribe lines Ly is completed.

In addition, when the cutting operation D1 of the X-direction scribe line Lx of the glass sheet M1 is started (refer to the section 11), the cutting operation is the same as the cutting operation of the Y-direction scribe line Ly of the previous glass sheet M0. The breaking operation D1 performs the conveying operation T2 (intermittent conveyance) of the glass sheet M1 in parallel. Specifically, the transporting step t1 (see section 13) is executed in parallel with the pressing roller moving step d2 of the cutting operation D1. Since the intermittent transfer operation T2 has been described before, the description thereof is omitted here. Thereby, the glass sheet M1 can be gradually conveyed during the cutting operation, and the operation efficiency of cutting the glass sheet M0 and carrying out the substrate S can be improved. improve.

In addition, the transport distance of the transport direction Xa of the glass sheet M in the transport step t1 of the intermittent transport operation T2 is appropriately defined. However, for example, when the pressure roller 33 is moved from the position R6 (see FIG. 5) to the position R8, When the glass sheet is conveyed only by the predetermined distance X1, the moving distance of the pressing roller in the conveying direction X is accordingly shortened, and the cutting operation efficiency of cutting the glass sheet M0 is improved. In particular, when the transport distance of the glass sheet M in the transport step t1 of the intermittent transport operation T2 is the same distance X2 as the transport direction length of the substrate S (see FIG. 5), the moving distance of the pressing roller 33 can be shortened to the extreme In short, the production time (tact time) of the pressing roller moving step d2 can be shortened, and the cutting operation efficiency of the glass sheet M0 is further improved.

[Example 3]

Next, other embodiments of the glass sheet cutting device of the present invention will be further described.

As shown in Fig. 9, the glass sheet cutting device of the present embodiment further includes another pair of guide rails (not shown) on the outer side of the pair of guide rails 11a provided in the apparatus of the first embodiment. The pressing frame 42x is movable in the X direction along the pair of rails 11a and 11a, and the carrying-out frame 60x is movable in the X direction along the other pair of rails. Next, the carry-out frame 60x is formed so as to be able to extend across the pressing frame 42x and to extend over the entire pressing unit 30x.

According to this configuration, it is possible to prevent the interference between the frames in the structure, and therefore, it is only necessary to control the lifting operation of the pressing head 30a and the carrying-out head 50a. can. Therefore, it is possible to perform a more rapid operation for each frame, and it is possible to perform the cutting operation and the unloading operation more quickly.

Further, the glass plate cutting device and the glass plate cutting method of the present invention are not limited to the devices and methods of the above embodiments. The apparatus and method obtained by changing the scope of the present invention are included in the scope of the present invention.

For example, the pressing roller 33 of the pressing unit 30 of the embodiment is rotatable about the vertical axis 33b so as to face the X direction and the Y direction, but may be rotated at any angle or 360 degrees.

Further, the pressing unit 30 may include a movement restricting member 36 that restricts the glass sheet M pressed by the pressing roller (pressing member) 33 upward when the cutting step D1 is performed (opposite to the pressing direction Za) The direction) Zb moves (refer to Figure 10). Further, in FIG. 10, a cross section of the B-B plane of FIG. 11 is shown with respect to the movement restricting member 36. The movement restricting member 36 in the present embodiment is provided so as to be provided with a slight gap with the glass sheet M so as not to be in contact with the glass sheet M.

In the lower portion of the lifting portion 32 of the pressing head 30a shown in Fig. 10, a moving unit 32a of the movement restricting member 36 is provided. The moving unit 32a is attached to the lower end of the rod 32b that advances and retracts in the up and down direction, and the movement restricting member 36 is attached to the moving unit 32a. Therefore, when the lever 32b is actuated to move the moving unit 32a up and down, the movement restricting member 36 moves up and down.

The movement restricting member 36 is a plate-shaped member including the horizontal regulating surface 36b, and has a concave portion 36c at the center portion of the upper surface, and a penetration portion (through hole) 36a penetrating in the vertical direction in the central portion of the concave portion 36c. The pressing roller 33 is disposed at a position of the penetration portion 36a. Then, the movement restricting member 36 and the pressing roller 33 adjust the positional height of both sides so that the lower end 33z of the pressing roller 33 protrudes below the regulating surface 36b (moving restricting member 36).

Further, the movement restricting member 36 covers a covered area which is at least a part of the glass sheet located around the pressing roller 33. When such a movement restricting member 36 is provided, the glass plate subjected to the pressing force is restricted from moving in a direction opposite to the pressing direction.

Further, in the description regarding the movement restriction of the glass sheet (for example, the following three paragraphs), the glass sheet refers to the glass sheet M described above, and more specifically, the glass divided by the score line L. A rectangular region of the plate and a cut glass sheet S obtained by cutting. Next, in the following three paragraphs, the glass plate pressed by the pressing roller 33 is simply referred to as a "pressing glass plate".

The above-mentioned "glass plate located around the pressing member" means, for example, a pressing glass plate and a glass plate adjacent to the pressing glass plate, and more specifically, pressing the glass plate and the pressing glass plate in the moving direction of the roller The glass plate adjacent to the front and the rear, specifically, the glass plate and the glass plate adjacent to the rear of the roller in the moving direction of the pressing glass plate, specifically, only the glass plate is pressed.

Further, the covered area means, for example, a contact position from the pressing roller 33 to the glass plate. The separation distance of the (pressing position) is shorter than the length of half the length of the glass sheet in the moving direction of the roller. When such a region is covered, when the pressing roller 33 is rolled to cut the glass sheet, at least a part of the pressing glass sheet can always be covered by the movement restricting member 36, and the movement restriction of the glass sheet can be surely performed.

In this manner, the movement restricting member 36 surrounds the pressing position of the glass sheet M pressed by the pressing roller 33 (the position at which the pressing force is applied by the pressing roller 33), and faces the upper surface of the glass sheet M.

According to this configuration, the size of the penetration portion 36a for projecting the pressing roller 33 to the lower side can be reduced, and the movement restricting member 36 can be disposed closer to the pressing roller 33. For example, the penetration portion 36a (see FIGS. 10 and 11 ) of the present embodiment is such that the length dimension of the rolling movement direction (hereinafter simply referred to as the movement direction) V of the pressing roller 33 is shorter than the diameter of the pressing roller 33 . Further, in Fig. 11, the pressing roller 33 is in a state of being viewed in a plan view, not a cross section.

Further, the movement restricting member 36 is provided with the avoidance surfaces 36d and 36d which are connected to the front and the rear of the movement direction V of the restriction surface 36b. The avoidance surfaces 36d and 36d are inclined upward inclined surfaces that are inclined upward from a position where the restriction surface 36b is connected.

In the cutting step D1, as described above, the pressing roller 33 is rolled along the scribe line L to cut the glass sheet M. Therefore, in the peripheral portion of the pressing position (directly below the pressing position) of the glass sheet M, there is a frame F between the substrate (cut glass plate) S and the adjacent substrates S and S (see FIG. 12). . Next, the movement restricting member 36 is set to be in a pressed position with the glass sheet M. At least part of the circumference faces each other. Further, in FIG. 12, the scribe line L is indicated by a broken line, and the substrate S formed by cutting and the peripheral edge Q of the frame F are indicated by solid lines.

When the cutting operation is performed by the pressing unit 30 including the above-described movement restricting member 36, before the cutting step D1 is started, the movement restricting member 36 is moved to the cutting position (see FIG. 10) in advance to execute the cutting step D1. When the cutting step D1 is executed in this state, when the glass sheet M is pressed by the pressing roller 33, the pressing position of the glass sheet M can be covered by the movement restricting member 36 (the contact position of the pressing roller 33 with the glass sheet M) ) adjacent locations. That is, a movement restricting step of restricting the movement of the glass sheet M toward the upper Zb is performed. Therefore, it is possible to cut the glass sheet M by applying a pressing force to the glass sheet M in a state in which the movement toward the upper side Zb is restricted.

When the cutting step D1 is performed in a state where the glass sheet M is not restricted to move upward Zb, the frame F formed by cutting may sometimes be bounced because the jump has a flaw on the surrounding substrate S ( Refer to Figure 12). If the frame F is touched, it is less desirable to interrupt the cutting step D1 or the like.

In this regard, if the restriction glass plate M is moved toward the upper side Zb, such a jump can be surely prevented, and the cutting efficiency due to the interruption of the cutting step D1 or the like can be prevented from being lowered.

Further, the period in which the movement restricting member 36 is moved to the position at the time of cutting is not limited to the above-described period. Further, as the movement restricting member 36, a spray nozzle 35 may be provided as shown by a double-chain line in FIG. In this case, At the time of the cutting operation, the compressed air jetted from the spray nozzle 35 is blown toward the upper surface of the glass sheet M, thereby restricting the movement of the cut glass sheet M in a non-contact manner. The spray nozzle 35 can also be bent so that the blowing position of the compressed air can be changed, and the number of the spray nozzles 35 provided can also be plural. As described above, as the movement restricting member, either or both of the spray nozzle 35 and the movement restricting member 36 can be used.

Further, when the movement restricting member 36 is used, the movement restricting member 36 may be slightly lowered at the start of the cutting step to abut (directly contact) the glass sheet M to restrict the movement. At this time, in order to prevent the movement restricting member 36 from excessively applying a force to the glass sheet, the elastic member may be attached to the bracket 37. As described above, various types of motion control can be considered as the operation control of the movement restricting member 36. The operation other than the movement operation of the movement restricting member 36 is the same as the above-described operation in the cutting operation, and thus detailed description thereof will be omitted.

In addition, as described above, the movement restricting member 36 is provided at a position adjacent to the contact position of the pressing roller (pressing member) 33 with the glass sheet M, and is not limited to the installation state. Next, the number of the movement restricting members 36 is not limited as long as it is constituted by one or more members. That is, as shown in FIG. 13(a), the movement restricting member may be constituted by two restricting pieces (restricting members) 136, or may be composed of four restricting pieces 236 as shown in FIG. 13(b).

Here, it is also possible to connect the horizontal moving member to each of the restriction pieces, and to provide a part of the plurality of restriction pieces 136, 236 in a horizontally movable manner or All. According to this configuration, each of the restriction pieces 136 and 236 can be moved apart from each other in the horizontal plane. Thereby, it is possible to control the movement restricting position and the movement restricting range of the glass sheet M (covering the position or range of the glass sheet), and it is also possible to adjust the through area (opening) secured by the through portions 136a and 236a of the restricting pieces 136 and 236. The size of the control. In other words, even if the size of the pressing roller 33 is changed, the pressing roller 33 can be adjusted by the one movement restricting member 36 by adjusting the size of the pressing roller 33 to adjust the gap between the restricting pieces. Further, a through hole (opening) 36a is formed by abutting each of the restricting pieces in the horizontal direction. Further, the restriction pieces do not necessarily have to be butted in the horizontal direction, and as shown in Figs. 13(a) and 13(b), the restriction pieces may be separated.

Further, as a method of moving the plurality of restriction pieces 136 and 236 in close proximity to each other in the horizontal plane, for example, a moving unit including a moving mechanism (not shown) that horizontally moves the restriction pieces 136 and 236 can be used. Method of 32a. In this case, the moving unit 32a is a horizontal moving unit of the movement restricting members 136, 236. Further, the operations of the moving unit 32a and the lever 32b are controlled by a controller (not shown).

Further, as the conveyor belt 21, a concave-convex shape may be formed on the surface on the conveying surface side. Since the use of such a conveyor belt can surely prevent the substrate S from being in close contact with the conveyor belt, the operation of sucking the substrate S by the suction cup 53 to lift the substrate S can be surely performed.

Next, as the holding member of the substrate to be carried out, a suction arm such as a suction cup may be used, and for example, a robot arm or the like may be mentioned.

Further, as information for the position of the specific glass plate M or the score line, various position information can be used.

Further, in the cutting operation D of the glass sheet M, the cutting operation D1 for the Y-direction scribe line Ly may be performed first, and then the cutting operation D2 for the X-direction scribe line Lx may be performed.

Further, in the above-described embodiment, the number of pressing units (pressing rolls) and the number of carrying units (suction cups) are one, but two or more (plurality) may be used.

Further, in the apparatuses of the first and second embodiments, the guides 11a and 11a are used together with the frame 42 of the pressing unit that simultaneously operates, and the pressing frame 11x and the conveying frame 60x are used in the apparatus of the third embodiment. Moving along different guide rails, however, as the frame support structure, various configurations such as other suspension structures can be considered.

Moreover, the operation of the glass plate cutting device shown in the timing chart of FIG. 6 to FIG. 8 is an example, and the number of times of the substrate adsorption step h1 in the cutting step d1 can be considered in various cases.

1‧‧‧ glass plate cutting device

11‧‧‧Guiding components

11a‧‧‧rail

20‧‧‧Transport unit

20a‧‧‧Belt conveyor (conveyor)

21‧‧‧Conveyor belt

21a‧‧‧Transport surface (outer surface to the upper side)

30‧‧‧ Press unit

42‧‧‧Frame

50‧‧‧ Moving out of the unit

60‧‧‧ Keep head support

71a‧‧‧Laser Light Irradiation Department

71b‧‧‧Laser Light Receiving Department

80‧‧‧Substrate storage tray (substrate storage unit)

81‧‧‧Debris Recycling Department

81a‧‧‧Dust recycling bin

F1‧‧‧ cut off work area

F2‧‧‧ Moving out of the work area

Lx, Ly‧‧ scribe

M, M0‧‧‧ glass plate (substrate material)

The outer periphery of the upstream side of the transport direction of the Me1‧‧‧ glass plate

The outer circumference of the downstream side of the transport direction of the Me2‧‧‧ glass plate

Ms‧‧‧Rectangle area

Xa‧‧‧Transfer direction

Xb‧‧‧Transport direction upstream side

Claims (19)

A glass plate cutting method includes a loading operation of a glass plate carrying operation, and a glass plate on which a scribe line is formed as a cutting target is carried into a belt conveyor of a conveying unit; The scribe line of the glass sheet carried in the loading position is pressed to press the glass sheet; and the glass sheet is taken out, and the cut glass sheet on the belt conveyor obtained by cutting is carried out to The cutting operation includes: a cutting step of cutting the glass sheet by moving the pressing member that applies the pressing force along the scribe line; and a step of moving the pressing member to complete the cutting operation The pressing member moves to a position of the scribe line of the next pressing object; in the pressing member moving step of continuously performing the cutting step on the arbitrary scribe line and facing the next scribe line, the cutting glass sheet can be simultaneously cut Perform the operation of cutting the glass sheet out. The glass sheet cutting method according to claim 1, wherein the cutting glass sheet unloading operation includes a cutting glass sheet holding step of moving the cut glass sheet out to the cut glass sheet The holding member of the carry-out unit of the destination is carried out to hold the cut glass sheet on the belt conveyor; and in the cutting step of the cutting operation performed on any of the scribe lines, the cutting is performed during the cutting step In the glass plate, the cutting glass plate holding step of cutting the glass sheet is performed. The method for cutting a glass sheet according to claim 2, further comprising In the glass sheet transfer operation, the glass sheet carried in the loading position on the belt conveyor is moved in the conveyor conveyance direction, and the cut glass sheet unloading operation system further includes being held by the holding member The cutting glass sheet is carried out to the unloading destination, and the cutting glass sheet carrying-out step, the cutting glass sheet carrying-out step, and the glass sheet conveying operation are performed simultaneously so that the working time overlaps. The glass sheet cutting method according to claim 3, wherein the glass sheet loading operation is performed simultaneously with the glass sheet conveying operation performed on the glass sheet of the previous cutting target. The method for cutting a glass sheet according to any one of claims 1 to 4, further comprising: detecting a position of the glass sheet position, detecting a position of the glass sheet loaded into the loading position; and updating the operation according to the The line position information of the scribed line and the position information of the glass plate detected by the detecting operation are updated to update the line position information of the actual glass substrate loaded. The glass sheet cutting method according to any one of claims 1 to 4, wherein the cutting step includes a movement restricting step of the step of pressing the glass sheet by the pressing member Covering at least a portion of the aforementioned glass sheet located around the aforementioned pressing member The movement restricting member restricts the movement of the glass sheet in a direction opposite to the pressing direction. A glass sheet cutting device includes: a conveying unit that includes a belt conveyor that mounts a glass sheet that is cut and formed with a score line, and a driving mechanism that operates the belt conveyor, The glass plate is moved in the conveying direction by the actuation of the driving mechanism, and the pressing unit applies a pressing force for cutting the glass plate to the glass plate placed on the belt conveyor; and the carrying unit is The cut glass plate on the belt conveyor that has been cut is carried out to the carry-out destination, and the pressing unit includes a pressing member that applies a pressing force to the glass sheet, and a pressing member moving mechanism that performs the cutting operation The cutting operation is performed by cutting the pressing member that is pressed against the glass sheet along the scribe line to cut the glass sheet, and the carrying unit includes a holding member for holding the cut glass sheet; Holding the member moving mechanism to move the cut glass plate on the belt conveyor toward the carry-out destination; the carry-out unit is in the cutting step of the pressing unit, Moving said holding member so that the actuating mechanism on the belt conveyor towards the glass sheet cut-out destination mobile. The glass sheet cutting device according to claim 7, wherein the conveying unit is configured to move the driving mechanism to move the glass plate on the belt conveyor toward the pressing member moving step of the pressing unit The transport direction moves. The glass sheet cutting device according to claim 7 or 8, wherein the holding member of the carry-out unit holds a plurality of cut glass sheets on the belt conveyor. The glass sheet cutting device according to claim 7, wherein the plurality of pressing units are provided. The glass sheet cutting device according to claim 7 or 10, wherein the pressing member is a pressing roller that rolls along the scribe line, and the pressing roller is attached in a state in which a rolling movement direction can be changed. The glass sheet cutting device according to claim 11, wherein the pressing unit further includes a movement restricting member that restricts movement of the glass sheet subjected to the pressing force in a direction opposite to a pressing direction. The glass sheet cutting device according to claim 12, wherein the movement restricting member covers the covering region, and the covering region is located at least a part of the glass sheet around the pressing member. The glass sheet cutting device according to claim 12, wherein the movement restricting member is disposed to surround a position at which the pressing force is applied and to face an upper surface of the glass sheet. The glass sheet cutting device according to claim 12, wherein the movement restricting member is provided with one or more restricting members provided to face the covering region. The glass sheet cutting device according to claim 15, wherein one or more of the restricting members are provided to be movable apart from the pressing roller. Move the unit horizontally. The glass sheet cutting device according to claim 7 or 8, further comprising a cleaning mechanism for cleaning a surface of the belt conveyor on which the glass sheet is placed. The glass sheet cutting device according to claim 17, further comprising a debris collecting portion for collecting the scrap. The glass sheet cutting device according to claim 7 or 10, wherein the pressing unit includes an air blowing nozzle that blows air toward a surface of the pressing member that abuts against the glass sheet.