JP2971264B2 - Tape application method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention is applied to a mill roll stand section, and automatically unwinds and stores a feed section of an old remaining base paper cut along with an order change to an original roll side.
It relates tape joining Ri how to fix the newspaper end.

[0002]

2. Description of the Related Art FIGS. 6 and 7 are schematic diagrams showing the general construction and functions of a conventionally known general mill roll stand, and FIG. 3 is a diagram showing a state in which old order remaining base paper conveyed out by order change is collected. is there. The mill roll stand is used for manufacturing rolled base paper 1
This is a device for continuously supplying 0, and there are various types such as a fixed current position type and a position moving type. FIG.
The mill roll stand 1 illustrated in FIG.
7 is fixed to the floor surface and functions with two sets of arms 25a and 25b juxtaposed in the running direction of the base paper 10.

The following is a description of the schematic structure and function of this apparatus. This apparatus is composed of frames 27a and 27b erected at the outer ends of both widths of a corrugating machine, and two frames 27a and 27b supported by bearings at appropriate distances through bearings. The arm 25 attached to the arm shafts 28a and 28b
a, 25b rolling center 2 and three sets of rolled paper transport conveyors 26a corresponding to the rolled paper placement mechanism and the position where the rolled sheet (base paper) 10 is attached and detached.
To 26c are provided. The roll-shaped base paper arranging mechanism includes a rotary drive device (motor) 29, the motor shaft 2
9, a gear 30 fixed to the shaft end and arm shafts 28a and 28b
A gear 31 is fixed to one end of the arm 25 and meshes with the gear 30. The arm 25a, 25b can be reciprocated by a required amount (angle) by the rotation of the motor 29. It is configured. In addition, 3 in the figure
Reference numeral 2 denotes a paper splicing device, which attaches the leading end of the new roll-shaped base paper to the running old base paper when replacing the old and new roll-shaped base papers supported by the two lower arms 25a and 25b, and connects the old base paper after connection. By cutting it, it functions so that it can always be supplied to the next process as a continuous sheet.

FIGS. 6 and 7 show examples of the roll-shaped base paper 1.
0 is carried in from the conveyor 26a or 26c side, and is swung to the center side while feeding after the paper splicing, and the core tube after being consumed by the paper feeding, or the old remaining base paper which is no longer necessary due to the order change. It is sent to the outside via the conveyor 26b. The old remaining base paper 10 cut by the paper splicing operation is manually or by a rewinding motor provided in the rolling center 2 and the unwinding section is rewound to the original rolled base paper side. The tip is fixed via adhesive tapes 19a and 19b. As described above, conventionally, a series of operations for collecting the old residual base paper 10 is as follows.
Since all operations were performed manually, it was dangerous and time-consuming, which was a major obstacle to achieving full automation.

[0005]

As described above, after splicing a base paper of a new order with an order change,
The separated old order base paper is rewound to the original roll-shaped base paper, and the leading end of the base paper is fixed to the outer peripheral surface of the roll with an adhesive tape. In this case, in unifying the old order base paper, there is also a type of rewinding the feeding part via a rewinding motor provided in a rolling center, but since fixing by tape in the final step is performed manually. , Not only takes time,
In some cases, there was a danger due to the work space.
The present invention has been proposed to solve the above-mentioned conventional problems.

[0006]

For this reason, the present invention is to provide a mill roll stand of a corrugating machine or the like and to connect a new order base paper in accordance with an order change.
In a tape pasting device for rewinding the cut-out old-order remaining base paper front-end feeding portion to the original roll side and fixing the leading end of the paper to the outer peripheral surface of the roll-shaped base paper, two sets of transmission-type photoelectric tubes are formed.
The rotation direction is detected based on the movement timing, and D = v · t
/ Π · N (where D: diameter of roll-shaped base paper, N: number of rotations,
v: running speed of sheet, t: unit time)
Calculate the diameter of the paper, and then measure the number of revolutions using the splice command signal.
Measurement, and set the overrun length after splicing to S = π · D ·
N, and the rotation of the old roll base paper stops.
After raising the corresponding presser roll,
Roll contact with the peripheral surface and then operate the rewind motor
In addition, the rewind amount is determined from the base paper diameter and the number of revolutions of the rolling center.
Measurement, and to keep the peripheral speed constant, wind
Control the return speed and then the total feed amount,
Splicer and mill roll stand for later overrun length
Calculated by taking into account the distance between
When the amount falls below the level, operate the tape application device to
And then roll the base paper a predetermined amount or time
After being rolled, the adhesive that has been drawn from the tape application device
Cut the tape, then the tape application device, presser roll
Is lowered to its original position to stand by and the rewind
Stop the motor and then turn on the mill roll stand.
The transport conveyor with the opening
A) It is to be delivered to the top , which is used as a means for solving the problem.

[0007]

According to the present invention, a new order base paper is connected and continuously fed by an order change, and the cut-out old remaining base paper front-end feeding section is automatically rewound to the original roll-shaped base paper, and The leading end can be fixed to the outer peripheral surface of the base paper with an adhesive tape. That is, by controlling (operating) sequentially at a predetermined timing through the control device,
The tip of the base paper can be set along the outer peripheral surface of the roll, and the tape can be automatically attached and fixed. As a result, the danger of the work can be avoided, the replacement time of the base paper can be reduced, and the labor can be significantly reduced by fully automating the work.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an embodiment of the present invention provided on a mill roll stand. FIG. It is a structural example explanatory drawing of a part. As shown in FIG. 1, the tape affixing device of the present invention is provided on one mill roll stand. The main elements are the rotation amount (number) of the rolling center 2 and the rotation direction detecting device 3, the rolling center 2 and the like. (A motor for rewinding) 4, a stencil leading edge detecting device 5, a press roll 6, a tape attaching device 7, and the like. The rotation amount and direction detecting device 3 illustrated in FIG. 2 has a circular plate 8 fixed to the shaft of the rolling center 2 and a circular plate 2 arranged in a circumferential direction corresponding to a hole formed in the circular plate 8. It is composed of a pair of transmission type photoelectric tubes 9a and 9b, and the rotation amount and direction of the rolling center 2, that is, the roll base paper 10 are detected by measuring the timing and time (t) of blocking and transmitting light. I can do it.

As the above-described detection method, there are various types other than those exemplified, such as combining a detection piece fixed to the axis of the rolling center 2 with a proximity switch, or providing an encoder coaxially. The rewinding motor 4 is a rotating device connected to the rear end of the shaft of the rolling center 2 via a clutch. The rewinding motor 4 winds the feeding section of the old remaining base paper cut off after the splicing to the original roll base paper side. It is functioning to collect it back. An air motor is employed for the rewinding motor 4 exemplified as described above, and the rotation speed can be arbitrarily controlled to some extent by controlling the opening / closing amount of a flow control valve provided in the middle of the air pipe. It has become.

Next, as shown in FIG. 4, the base paper leading end detecting device 5 includes a detecting device positioning roll 11, a pressing roll 6, a bracket 12, a suction device 13 and a micro switch 14 which are in contact with the surface of the base paper 10. Arm 15
The leading end of the old order remains unwound to the roll-shaped base paper side by unwinding the remaining base paper unwinding part to the roll-shaped base paper side.
The leading end of the base paper 10 is sucked by the suction action of the lower suction device 13 as shown by a dashed line in the figure, and the end of the base paper presses the lever (actuator) of the microswitch 14 so that the leading end of the base paper can be detected. Has become. Next, the presser roll 6 is used for the base paper leading edge detecting device 5.
The roll is rolled into contact with the outer peripheral surface of the rolled base paper 10 by the swing of the mounting arm 15, and when rewinding the base paper feeding section, the sheet outer side of the feeding section is squeezed, and wrinkles are generated. It works to eliminate slack.

As shown in FIGS. 4 and 5, the main body of the tape applying device 7 is provided with a shaft 16 of a roll 11 for positioning the detecting device.
After the presser roll 6 and the roll 11 for positioning the detecting device are brought into rolling contact with the outer peripheral surface of the base paper 10 by the swing of the mounting arm 15, the cylinder 17 having the rear end attached to the mounting arm 15. The roll base paper 10 having various diameters is rotated about the shaft 16 by the expansion and contraction operation of
Can be engaged with the outer peripheral surface. Further, two sets of the tape applying device 7 are attached in the device width direction. FIG. 5 shows a state in which the outer peripheral surface of the roll-shaped base paper 10 is brought into contact. In this state, the cylinder 18 attached to the main body is operated, and the elevating plate 21 with the adhesive tape 19 and the guide roll 20 incorporated therein is indicated by a chain line. Then, the tip of the adhesive tape 19 is attached to the outer peripheral surface of the base paper 10, and
, The adhesive tape 19 is sequentially drawn out and adhered.

By this operation, the tape 1 having a predetermined length
9 is attached, the lifting plate 21 is raised by the suction operation of the cylinder 18, and the cylinder 2
The adhesive tape 19 is cut by extruding the knife 23 attached to the second head. Next, after returning the knife 23 to the original position, the adhesive tape 19 cut at the point P waits at the same position. Reference numerals 24a and 24b denote a pair of transmission type photoelectric switches which are activated when the remaining amount is reduced due to the consumption of the adhesive tape 19, and the signal is transmitted by this signal.
Nine replacement alerts are issued. It should be noted that only the operation of exchanging the tape 19 is performed manually. Further, two sets of the base paper leading edge detection device 5, the presser roll 6, and the tape sticking device 7 are installed before and after the open position of the old order remaining base paper, and are selectively provided in the rotation direction of the roll base paper 10 (solid line, dashed line in the figure). Can be activated.

Next, the operation of the embodiment constructed as described above will be described. The operation chart of the tape sticking apparatus is as follows. (1) First, the rotation direction and the diameter of the old remaining base paper are detected.
That is, the rotation direction is detected based on the operation timing of the two sets of transmission type photoelectric tubes 9a and 9b shown in FIG.
v · t (where D: diameter of roll base paper, N: number of rotations,
At v: sheet running speed (machine production speed), t: unit time, the diameter of the rolled base paper is calculated from D = v · t / π · N. (2) Next, measurement of the number of rotations is started by the splicing command signal,
The overrun length (S) after the splicing is obtained. This length can be calculated by S = π · D · N (D: diameter of rolled base paper, N: number of rotations). (3) Next, after the rotation of the old rolled paper is stopped, the corresponding presser roll 6 is raised to make rolling contact with the outer peripheral surface of the raw paper. (4) Next, the rewind motor 4 is operated, and the rewind amount is measured from the base paper diameter and the number of rotations of the rolling center. In order to keep the peripheral speed constant, the rewind speed (the number of rotations of the motor) is controlled by the diameter of the base paper. (5) Next, the distance between the splicer and the mill roll stand (base paper leading edge detecting unit) (approximately a constant value depending on the device) is determined by the total feeding amount, that is, the overrun amount (S) after the splicing.
The rotation speed of the rewind motor 4 is reduced to the lowest speed when the amount of feeding the base paper becomes small (not more than a predetermined amount).

(6) Next, a suction device 1 for detecting the end of the base paper.
3 and at the same time raise the tape application device 7,
The roll base paper 10 is engaged with the outer peripheral surface. (7) Next, the tape applying device 7 is operated by the feedback signal from the base paper leading edge detecting device, and the tape 19 is applied. (8) Next, after the roll base paper is rotated by a predetermined amount (or time), the adhesive tape 19 fed from the tape applying device 7 is cut. (9) Next, the tape application device 7 and the presser roll 6 are lowered to their original positions to stand by and the rewind motor 4 is stopped. (10) Next, the arm 25 of the mill roll stand 1 is opened, and the old remaining stencil sheet is delivered onto the conveyor 26b located below. The old remaining base paper is then carried out to the outside via the conveyor 26b and replaced with the next-order base paper, as in the conventional type. The present invention is configured and functions as described above,
Various types other than those exemplified above may be used for the structure of the main part or the detecting means.

[0015]

As described above, according to the present invention, after the front-end feeding portion of the old roll-shaped base paper separated in accordance with the order change is rewound to the original roll-shaped base paper side, the leading edge of the base paper is cut through the adhesive tape. Can automatically perform a series of preparations for replacement and replacement of the base paper, such as fixing the base paper to the outer peripheral surface of the roll-shaped base paper, so that a great effect can be obtained in labor saving and a significant time for replacement and replacement of the base paper. Shortening can be achieved. That is, the present invention provides an operation tie
Is not based on the detection of the edge of the base paper.
It is activated when the unwinding amount matches the unwinding amount.
Thus, an extremely excellent effect is achieved.

[Brief description of the drawings]

FIG. 1 is a side view illustrating a configuration of a tape attaching device according to an embodiment of the present invention.

FIG. 2 is a front view of a main part of FIG.

FIG. 3 is a perspective view showing a state in which old order remaining base paper carried out by an order change is collected.

FIG. 4 is a detailed view of a main part in FIG. 1;

FIG. 5 is a detailed view of the tape applying device in FIG. 1;

FIG. 6 is a plan view of a conventional mill roll stand.

FIG. 7 is a side view of FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mill roll stand 2 Rolling center 3 Rotation amount and rotation direction detection device 4 Rolling center rotation device (motor) 5 Base paper tip detection device 6 Pressing roll 7 Tape application device 8 Disk 9a, 9b Transmission type photoelectric tube 10 Roll base paper 11 Positioning roll 12 Bracket 13 Suction device 14 Micro switch 15 Mounting arm 16 Positioning roll shaft 17, 18 Cylinder 19 Adhesive tape 20 Guide roll 21 Elevating plate 22 Cylinder 23 Knife 24a, 24b Transmission type photoelectric switch

Continuation of the front page (56) References JP-A-3-192056 (JP, A) JP-A-2-75556 (JP, A) JP-A-4-144864 (JP, A) JP-A-63-147754 (JP) , A) Hikaru 2-34553 (JP, U) (58) Fields surveyed (Int. Cl. ⁶ , DB name) B31F 1/00-7/02 B65H 19/29

Claims (1)

(57) [Claims] 1. A mill roll stand section of a corrugating machine or the like is installed, a new order base paper is connected in accordance with an order change, and then, the separated old order remaining base paper front end feeding section is rewound to the original roll side. And two sets of tape attaching devices for fixing the leading edge of the paper to the outer peripheral surface of the roll-shaped base
Rotation direction is detected by the operation timing of the transmission type photocell
And D = v · t / π · N (where D:
Diameter, N: number of revolutions, v: running speed of seat, t: unit time
Calculate the diameter of the roll base paper from
Start measuring the number of rotations at the signal, and
And the old roll shape
After the rotation of the base paper has stopped, raise the corresponding presser roll.
And roll it on the outer surface of the base paper.
And the rotation of the rolling center
Measure the unwinding amount from the number of turns and keep the peripheral speed constant.
Control the rewind speed according to the base paper diameter, and then
Amount, that is, the overrun length after the splicing,
Calculated by taking into account the distance between
When the base paper feed amount becomes less than the specified amount, the tape
Activate the application device to apply the tape, and then
After rotating the paper for a predetermined amount or time,
Cut the adhesive tape that has been fed out of the
Putting device and presser roll down to the original position and wait
And stop the rewind motor, and then
Open the arm of the mill roll stand and lower the old residual paper
A tape attaching method characterized in that the tape is transferred onto a conveyor for transport located at a position indicated by an arrow.