TWI494201B - Dummy drop preventing apparatus for glass panel - Google Patents

Description

Foreign matter drop prevention device for glass panel

The present invention relates to a foreign matter drop avoiding device for a glass panel, and more particularly to a foreign matter drop avoiding device for a glass panel, which can avoid a blank area from a scribed glass panel when the glass panel is transferred for a cutting process. The upper split and fall between the conveyor belt of one of the reticle areas and the conveyor belt of one of the cutting areas.

In general, a flat display panel, such as a liquid crystal display (LCD) panel, an organic electroluminescent (OEL) panel, an inorganic electroluminescent panel, a light emitting diode panel, a transmissive projection substrate, and a reflective projection substrate Or other similar substrates can be obtained by cutting a mother glass panel made of a fragile material such as glass into a plurality of panels of a predetermined size.

The cutting process of the glass panel includes a scribe line program and a cutting program. The scribe line program uses a tool made of, for example, diamond (hereinafter referred to as a reel) to form a plurality of cutting lines on the surface of the glass panel, or a tool having a higher hardness than the glass panel can be used for the scribe line process. The cutting process cuts the glass panel along the formed cutting line.

That is, a glass panel is transferred from a line conveyor belt of a reticle to a cutting zone conveyor of a cutting zone for dicing after being scribed by a reticle apparatus.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to Figure 1, a conventional scribe belt conveyor belt and a cutting zone conveyor belt are illustrated, and a glass panel is conveyed by the conveyor belts.

As shown in Fig. 1, a conventional cutting process can be performed after a glass panel 1 is scored and conveyed to a cutting zone via a reticle conveyor 2 and a cutting zone conveyor 3.

In this case, the cutting zone conveyor belt 3 is usually manufactured in a mesh form for the cutting process.

In the prior art, when the glazed glass panel 1 is separated by a space between the scribe line conveyor 2 and the cutting zone conveyor 3, a bending moment is locally applied to the glass panel 1 so that a blank area 5 is The glass panel 1 is split and dropped. Here, the blank area 5 is a part discarded after the cutting process is completed.

If the blank area is ruptured from the glass panel 1 during the conveyance of the glass panel 1, the chipping phenomenon may occur at the crack (or an edge) or the cut surface may become irregular. In addition, the floor where the process is carried out will be contaminated by the blank area.

In addition, if a glass panel is damaged, it will also result in a decrease in product yield. And if the floor is contaminated by a blank area, an additional procedure is required to clean the floor, thereby increasing process costs.

In view of the above problems, it is an object of the present invention to provide a foreign matter drop avoiding device for a glass panel which can completely avoid at least a portion of a blank area when the glass panel passes between the scribe line conveyor belt and the cutting zone conveyor belt. The glass panel is split and dropped, thereby avoiding damage to the glass panel and the floor of the process site.

In order to achieve the above object, a foreign matter drop avoiding device for a glass panel of the present invention is used to prevent at least a portion of a blank area of the glass panel from falling between a reticle conveyor belt and a cutting zone conveyor belt when the glass panel is being transported. And includes a support member and a drop avoiding member. The support member is disposed between the score line conveyor belt and the cutting zone conveyor belt. The drop avoiding member is disposed on an upper surface of the support member.

In one embodiment, a drop avoiding member receiving portion is formed on an upper surface of one of the front end portions of the supporting member, and a rear end portion of the falling avoiding member is disposed in the falling avoiding member receiving portion, the front end The portion and the rear end portion are defined in accordance with a conveying direction of one of the glass panels.

In an embodiment, the drop avoiding member receiving portion is a stepped groove.

In an embodiment, the drop avoiding member is a film.

In an embodiment, the drop avoidance member is made of polyethylene (PE).

In an embodiment, the upper surface of the drop avoiding member is on the same surface as the upper surface of the support member.

In an embodiment, the drop avoiding member is located on the upper surface of the support member and on the upper surface of the cutting zone conveyor belt.

In an embodiment, the drop avoiding member is flush against the drop avoiding member receiving portion.

In one embodiment, a lifting element is received in the drop avoiding member receiving portion, the drop avoiding member is fixed on an upper surface of the lifting member, and a through hole is formed in the falling avoiding member receiving portion, and an adjusting bolt system is A perforation is provided and attached to the lower surface of one of the lifting elements.

In one embodiment, one end of a gas supply passage is connected to an aluminum exhaust member via a support within the support member.

In one embodiment, in the support member, a gas permeable system is disposed at an upper end of a support body having a gas supply passage.

In one embodiment, a front exhaust passage is directed toward one of the leading ends of the glass panel and is formed between the support and the gas permeable body.

In one embodiment, a plurality of support members are disposed along the width of the cutting zone conveyor belt, and a foreign matter guiding member is disposed between the adjacent support members.

In one embodiment, a foreign matter guiding member is fixed in a support frame and connected to the support.

According to the present invention, since a support member is disposed between a reticle conveyor belt and a cutting zone conveyor belt, and a drop avoidance member is disposed at the front end of the support member (the front end is defined according to a conveying direction of one of the glass panels), When the glass panel passes between the scribe line conveyor belt and the cutting zone conveyor belt, the invention can completely avoid the blank area of the glass panel from being cracked and dropped from the glass panel, thereby avoiding damage to the glass panel and the floor of the process place. .

Further, a drop avoiding member receiving portion is formed on the upper surface of the front end of the support member (the front end is defined according to the conveying direction of the glass panel), and one end of the drop preventing member is disposed in the receiving portion of the drop avoiding member, The glass panel can easily enter the drop avoidance member and can prevent at least a portion of the blank area from falling or getting caught in the drop avoiding member.

Further, since the drop avoiding member is made of a flexible film having a low coefficient of friction, it is possible to prevent the glass panel and the cutting zone belt from being driven or rotated by friction.

In addition, since a lifting element is housed in the falling avoiding member receiving portion, and the falling preventing member is fixed to the upper surface of the lifting member, a through hole is formed at the bottom of the falling avoiding member receiving portion, and an adjusting bolt is disposed through The perforation is connected to the bottom of the lifting element, so that when the upper surface of the falling avoiding member is not at the same height (or the same surface) as the upper surface of the supporting member, fine adjustment can be performed by the lifting member and the adjusting bolt.

In addition, since the gas system is discharged to the front end of the support member to provide buoyancy to the glass panel when the glass panel passes between the cutting zone conveyor belt and the support member, an air layer can be formed in the cutting zone during the conveyance of the glass panel. Between the conveyor belt and the drop avoiding member, thereby reducing friction and extending the life of the drop avoiding member.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a foreign matter drop avoiding device for a glass panel according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings, wherein the same elements will be described with the same reference numerals.

As shown in FIG. 2 and FIG. 3, the foreign matter drop avoiding device 100 of a glass panel according to the present invention is used to prevent foreign matter from falling on a reticle conveyor belt 20 and a cutting zone conveyor belt 30 during the transportation of the glass panel 10. between. The score line conveyor 20 is capable of supporting and transporting the glass panel 10 in a scribe process. The cutting zone conveyor belt 30 is disposed in front of the score line conveyor belt 20 to perform a cutting process on the scored glass panel 10. Here, the scribe line conveyor belt 20 is previously defined in accordance with the conveying direction of one of the glass panels 10.

To this end, the foreign matter drop avoiding device 100 of the present invention includes a support member 60 and a drop avoiding member 70. The support member 60 is disposed between the score line conveyor belt 20 and the cutting zone conveyor belt 30. The drop avoiding member 70 is disposed on the front portion of the upper surface of one of the support members 60, and the front portion of the upper surface is defined in accordance with the conveying direction of the glass panel 10.

Since the joint portion of the cutting zone conveyor belt 30 is usually a perforated conveyor belt, the support member 60 is partially exposed to the conveyor belt, so that the support member 60 can prevent foreign matter from falling to some extent; in addition, since the cutting zone conveyor belt 30 and the support member are to be avoided 60 contact, and thus there is a gap between the cutting zone conveyor belt 30 and the support member 60, however this can cause foreign matter to fall from the space. In particular, when the chips are generated at the staggered lines of the glass panel which are parallel and perpendicular to the conveying direction of the glass panel, when the pieces are dropped from the space, the chips are often caught on the conveyor belt 30 and supported due to their small size. The spacing between members 60.

Accordingly, the present invention also includes a drop avoidance member 70 that is positioned on the upper surface of the support member 60 and the cutting zone conveyor belt to completely cover the spacing between the conveyor belt 30 and the support member 60.

3 is a side view of the foreign matter falling avoidance device 100. As shown in FIG. 3, a drop avoiding member receiving portion 61 is formed on the upper surface of the front end of one of the support members 60 (the front end is based on the conveying direction of the glass panel 10). Definition), and one end of the drop avoiding member 70 is disposed in the drop avoiding member receiving portion 61.

In this case, since the drop avoiding member 70 is made of a thin layer (for example, 0.3 to 1 mm) or a flexible plastic film having a low coefficient of friction, such as polyethylene (PE). Therefore, the glass panel and the cutting zone conveyor belt can be prevented from being driven or rotated by friction.

The material of the drop avoiding member 70 may be any material having a relatively low coefficient of friction with the glass panel, and has flexibility and strength. Further, the present invention does not particularly limit the thickness of the drop avoiding member 70.

Further, in the case where the drop avoiding member 70 is disposed in the drop avoiding member receiving portion 61, if the upper surface of the drop avoiding member 70 is located on the same surface as the upper surface of the support member 60, the glass panel 10 can be easily The ground enters the upper surface of the drop avoiding member 70, and at least a portion of the blank area can be prevented from falling or getting stuck.

To this end, the drop avoiding member receiving portion 61 may have a stepped groove so that the drop avoiding member 70 is housed in the drop avoiding member receiving portion 61.

The drop avoiding member 70 can simultaneously contact the bottom of the drop avoiding member receiving portion 61 and the upper surface of the cutting zone transfer belt 30, whereby the repeated deflection of the falling avoidance member 70 can be avoided and thus the fall avoiding member 70 can be maintained. Service life.

Further, the drop avoiding member 70 is preferably fastened to the bottom of the drop avoiding member receiving portion 61, for example, by an adhesive or a double-sided tape.

In another embodiment, as shown in FIG. 4, a lifting member 62 is housed in the drop avoiding member receiving portion 61, and the drop avoiding member 70 is fixed to the upper surface of the lifting member 62. Further, a through hole 62 is formed on the bottom of the drop avoiding member receiving portion 61, and an adjusting bolt 63 can be passed through the through hole 62 and spiraled. The lifting element 62 can be raised or lowered by rotating the adjusting bolt 63.

When the upper surface of the drop avoiding member 70 is not in the same plane as the upper surface of the support member 60, fine adjustment can be made by the lifting member 62 and the adjusting bolt 63 such that the upper surfaces lie in the same plane.

As shown in FIGS. 7A and 7B, in the present invention, the plurality of foreign matter drop avoiding devices 100 can be disposed along the width direction of the cutting zone transfer belt 30. Alternatively, only a single foreign matter drop avoidance device 100 is disposed along the width direction of the cutting zone conveyor belt 30.

When the plurality of foreign matter falling preventing means 100 is disposed along the width direction of the cutting zone conveyor 30, a foreign matter guiding member 80 is preferably disposed between the adjacent foreign matter falling preventing means 100. The foreign matter guiding member 80 is used to prevent foreign matter from falling apart from the interval between the supporting members 60 disposed adjacently in the width direction.

In detail, as shown in FIG. 7A and FIG. 7B, the foreign matter guiding member 80 is preferably fixed to a supporting frame 90, and the supporting frame 90 supports the opposite ends of the supporting member 60, for example, by The support frame 90 is fixed to the support member 60 in a direction perpendicular to the conveying direction of one of the glass panels by a bolt 69.

Further, as shown in FIG. 5, an aluminum exhaust member 66 is disposed at one upper end of a support body 65, and the support body 65 has a gas supply passage 64. Thereby, the support member 60 can supply buoyancy to the glass panel 10 by supplying a gas to reduce the friction generated by the glass panel 10 to be conveyed.

In this case, when the gas flows from a gas supply source (not shown), such as a gas compressor and a gas containing tank, through the gas supply passage 64 of the support body 65, to the aluminum exhaust member 66. At this time, the gas can be divided into a plurality of flow paths and discharged upward, whereby a buoyancy can be supplied to the lower surface of the glass panel 10.

The material of the support 65 may comprise a metal, such as aluminum, or may comprise other materials having strength and plasticity.

The aluminum exhaust member 66 can form a plurality of exhaust ports by expanding the aluminum powder, and the exhaust port is located on an upper surface thereof and faces the glass panel 10. The vents help to vent.

As shown in FIG. 6, in the support member 60, a gas permeable body 67 may be disposed at one upper end of the support body 65, and the support body 65 has a gas supply passage 64.

The material of the support 65 may comprise a metal, such as aluminum, or may comprise other materials having strength and plasticity.

In this case, when the gas flows from a gas supply source (not shown), such as a gas compressor and a gas containing tank, through the gas supply passage 64 of the support body 65, to the row in the gas permeable body 67. At the port 67a, the gas is divided into a plurality of flow paths and discharged upward, whereby a buoyancy can be supplied to the lower surface of the glass panel 10. The gas permeable body 67 can be formed of a general plastic material such as Polyether ether ketone (PEEK). The gas permeable body 67 can also be made of a metal material. The venting holes of the gas permeable body 67 can be integrally formed, for example, by cutting, shaping or injection molding.

Further, a front exhaust passage 68 is formed toward the front end of one of the conveying directions of the glass panel 10, and is formed between the support body 65 and the gas permeable body 67, and is possible when the glass panel 10 passes between the cutting zone conveyor belt 30 and the support body 60. A buoyancy is provided whereby an air layer is formed between the cutting zone conveyor 30 and the drop avoiding member 70 during transport of the glass panel 10, thereby reducing friction and extending the life of the drop avoiding member 70.

Since the number of the exhaust ports 67a of the gas permeable body 67 is smaller than that of the aluminum exhaust member 66, the gas permeable body 67 can provide a relatively concentrated buoyancy to some specific positions; in view, the aluminum exhaust member 66, due to its There are more and smaller exhaust ports, so the aluminum exhaust member 66 can provide a very uniform buoyancy to the glass panel.

The portion of the support member 60 facing one of the pulley blocks of the score line conveyor belt 20 may be curved to avoid structural interference with the score line conveyor belt 20, and in addition, the cutting zone conveyor belt 30 faces one of the pulley blocks of the score line conveyor belt 20. The portion can be tilted upward to avoid structural interference with it.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

1. . . Glass panel

2. . . Line conveyor

3‧‧‧ Cutting conveyor belt

5‧‧‧Blank area

10‧‧‧glass panel

100‧‧‧ Foreign object drop avoidance device

20‧‧‧Engraved area conveyor belt

30‧‧‧ Cutting zone conveyor belt

60‧‧‧Support members

61‧‧‧Drop Avoidance Member Receiving Department

62‧‧‧ lifting element

63‧‧‧Adjusting bolts

64‧‧‧ gas supply channel

65‧‧‧Support

66‧‧‧Aluminum exhaust components

67‧‧‧ Breathable body

67a‧‧‧Exhaust port

68‧‧‧ front exhaust passage

69‧‧‧ bolts

70‧‧‧Drop avoidance components

80‧‧‧ Foreign object guiding member

90‧‧‧Support frame

1 is a schematic side view showing a conventional scribe belt conveyor belt and a cutting zone conveyor belt, and a glass panel being conveyed by the conveyor belts;

2A is a schematic view of a foreign material drop avoiding device for a glass panel according to an embodiment of the present invention, wherein the glass panel is adjacent to a conveyor belt of a reticle;

2B is a schematic view of a foreign matter drop avoiding device for a glass panel according to an embodiment of the present invention;

3 is a side elevational view of a foreign matter drop avoiding device for a glass panel according to an embodiment of the present invention;

4 is a side view showing a foreign matter falling preventing device of a glass panel according to another embodiment of the present invention;

Figure 5 is a side cross-sectional view showing a supporting member of a foreign matter falling avoidance device according to an embodiment of the present invention;

6 is a side cross-sectional view showing a supporting member of a foreign matter falling avoidance device according to another embodiment of the present invention;

7A is a top plan view showing a plurality of foreign matter drop avoiding devices disposed in a direction perpendicular to a conveying direction of one of the glass panels according to an embodiment of the present invention;

FIG. 7B is a partially enlarged schematic view of the foreign matter drop avoiding device of FIG. 7A, wherein the foreign matter drop avoiding device is provided with an adjacent glass panel.

100. . . Foreign matter drop avoidance device

20. . . Engraving zone conveyor

60. . . Support member

69. . . bolt

70. . . Drop avoidance component

80. . . Foreign matter guiding member

90. . . Support frame

Claims (14)

A foreign matter drop avoiding device for preventing at least a portion of a blank area of the glass panel from falling between a reticle conveyor belt and a cutting zone conveyor belt when the glass panel is being conveyed, comprising: a support member, setting Between the line conveyor belt and the cutting zone conveyor belt; and a drop avoiding member disposed on the support member, wherein a rear end portion of the drop avoiding member is disposed at one of the front end portions of the support member In the upper surface, the front end portion and the rear end portion are defined according to a conveying direction of one of the glass panels. The foreign matter drop avoiding device according to claim 1, wherein a drop avoiding member receiving portion is formed on the upper surface of the front end portion of the support member. The foreign matter drop avoiding device according to claim 2, wherein the drop avoiding member receiving portion is a stepped groove. The foreign matter falling avoidance device of claim 2, wherein the drop avoiding member is a film. The foreign matter drop avoidance device of claim 4, wherein the drop avoiding member is made of polyethylene. The foreign matter drop avoidance device of claim 3, wherein the upper surface of the drop avoiding member is in the same plane as the upper surface of the support member. The foreign matter drop avoidance device of claim 3, wherein the drop avoiding member is located on an upper surface of the support member and The cutting zone is on the upper surface of the conveyor belt. The foreign matter drop avoiding device according to claim 3, wherein the drop avoiding member is flatly attached to the drop avoiding member receiving portion. The foreign matter drop avoidance device of claim 3, wherein a lifting element is received in the drop avoiding member receiving portion, the drop avoiding member is fixed to an upper surface of the lifting member, and a perforation is formed. In the drop avoiding member receiving portion, an adjusting bolt passes through the through hole and is coupled to a lower surface of the lifting member. The foreign matter drop avoiding device according to any one of the items 1 to 9, wherein in the support member, one end of a gas supply passage is connected to an aluminum exhaust via a support body. Component connection. The foreign matter drop avoiding device according to any one of the preceding claims, wherein in the support member, a gas permeable system is disposed at an upper end of a support body, the support body having a Gas supply channel. The foreign matter falling avoidance device of claim 11, wherein a front exhaust passage is toward a front end of the glass panel in the conveying direction and is formed between the support and the gas permeable body. The foreign matter drop avoiding device according to any one of the preceding claims, wherein the plurality of support members are disposed along a width direction of the cutting belt, and a foreign matter guiding member is disposed adjacent to the Between the support members. The foreign matter falling avoidance device described in claim 13 of the patent application, One of the foreign matter guiding members is fixed in a support frame and connected to the support body.