JP2711987B2 - Equipment for correcting sheet sheet deviation - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of drawing a resin sheet from a resin sheet roll formed by winding a soft or semi-hard long resin sheet and cutting the resin sheet to a predetermined length. The present invention relates to equipment suitable for correcting bias.

[0002]

2. Description of the Related Art Conventionally, as a facility for drawing out a resin sheet from a resin sheet roll formed by winding a soft or semi-hard long resin sheet and cutting the resin sheet to a predetermined length, Japanese Patent Application Laid-Open No. Hei. As disclosed in Japanese Patent No. 28460, after grasping the front end of a resin sheet fed by a resin sheet feeding device by a gripping device, the gripping device is moved in a horizontal direction by a gripping device transfer device to pull out and pull out the resin sheet. The cut resin sheet is cut at a predetermined position by a resin sheet cutting device, the cut resin sheet is supported by a support member, and further, both ends of the resin sheet on the support member are configured to be pressed down by a pressing mechanism. is there.

[0003]

However, in the conventional resin sheet cutting equipment configured as described above, since the resin sheet to be drawn out is deviated in the width direction, the resin sheet is formed to be perpendicular to the edge of the resin sheet. There were problems such as the inability to cut the sheet. The present invention has been made to solve the above problem, and has as its object to provide a facility capable of correcting a deviation of a drawn resin sheet.

[0004]

In order to achieve the above object, a resin sheet cutting apparatus according to the present invention comprises a resin sheet roll rotating apparatus which supports the resin sheet roll in a horizontal state and rotates the resin sheet roll in a vertical plane. A one-shot stocker mechanism for temporarily storing a resin sheet of a predetermined length sent from the resin sheet roll set in the resin sheet roll rotating device and for applying an appropriate amount of tension to the resin sheet; A gripper capable of gripping the leading end of the resin sheet from the one-shot stocker mechanism, a gripper transfer device for moving the gripper in a horizontal direction and pulling out the resin sheet from the one-shot stocker mechanism; Measuring means for measuring the length of the resin sheet to be drawn, and pulling from the one-shot stocker mechanism. A resin sheet cutting device that cuts the resin sheet to be cut at a predetermined position, and a detecting unit that detects a mark for indicating the quality of the pulled-out resin sheet, and pulls out the resin sheet from the resin sheet roll to a predetermined length. A cutting member for correcting a bias in the width direction of the resin sheet in the vicinity of the cutting device, wherein the receiving member is capable of placing the resin sheet and being movable in the width direction of the resin sheet. A sensor for detecting a bias in the width direction of the resin sheet, a movement adjusting means for adjusting the movement of the receiving member in the width direction of the resin sheet via a lower sliding mechanism based on a detection result of the sensor; A holding member which is disposed above the member so as to be able to move up and down and which can be moved and adjusted in the width direction of the resin sheet; and both ends of the holding member move up and down together with the holding member It is disposed in the ability, characterized by comprising an elastic member elastically supporting the pressing member in the width direction of the resin sheet, the.

[0005]

In the equipment constructed as described above, after the resin sheet previously fed from the resin sheet roll set in the resin sheet roll rotating device is passed through the inside of the one-shot stocker mechanism, the leading end is gripped by the gripping means. And, while being pulled out by the measurement means, while being pulled out by the movement of the gripping means by the gripping means transfer device,
The resin sheet rests on the receiving member and is pressed by the pressing member. If the resin sheet is deviated in the width direction, the deviation is detected by a sensor or the like,
Accordingly, the receiving member is moved in the width direction of the resin sheet by the movement adjusting means, and the presser is also moved in the width direction via the elastic member. As a result, the deviation in the width direction of the resin sheet near the resin sheet cutting device is reduced. Will be modified. Thereafter, the resin sheet drawn out by a predetermined length is cut at a predetermined position by a resin sheet cutting device.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described in detail with reference to FIGS. As shown in FIG. 1 which is a front view, a resin sheet roll rotating device 1 is disposed at a left position in FIG. A caterpillar 5 for mounting and rotating a resin sheet roll 4 is mounted on a trolley 3 arranged so as to be able to run thereon, and the caterpillar 5 is connected to a motor 6 with a speed reducer.
Is rotated in a vertical plane.

A one-shot stocker mechanism 7 is provided on the left side of the resin sheet roll rotating device 1.
In the shot stocker mechanism 7, two rollers 9, 10, which are directed upward in the width direction of the resin sheet S, are axially mounted at predetermined intervals in the vertical direction, and A free roller 11 is disposed so as to be vertically movable via a support member (not shown), and the resin sheet S sent out from the resin sheet roll 4 is sequentially wound over the rollers 9, 11, and 10, In addition, an appropriate amount of tension is applied by the weight of the free roller 11 (see FIG. 1).

A gripping means 12 is provided at a central position in FIG. 1, and in the gripping means 12, a movable member 13 is connected to a roller chain 1 of a gripping means transfer device 18 to be described later.
9 and is slidably engaged with a rail 48 of the gripper transfer device 18. A plate-like fixed claw 14 is fixed to the lower end of the movable member 13. Two guide rods 15, 15 are provided at a required interval in the left-right direction.
A movable claw 16 is mounted on the movable claws 5 and 15 so as to be able to move up and down. The lower end of the piston rod of the downward cylinder 17 attached to the movable member 13 is fixed to the movable claw 16. The resin sheet S can be lowered by the extension operation of the fixing member 17 and held by the fixed claw 14.

Further, a gripper transfer device 18 is provided at a central position in FIG.
In the above, a roller chain 19 for holding the movable member 13 of the gripping means 12 is provided so as to extend between two chain wheels 20 provided at a required interval in the left-right direction. Numerals 20 and 20 are respectively fitted to rotary shafts 22 and 22 which are supported by a portal frame 21. One of these two rotary shafts 22 and 22 has a speed reducer provided with a rotary encoder as measuring means. Motor (not shown)
Are connected, and the gripping means 12 is reciprocated in the left-right direction with the roller chain 19 by forward and reverse rotation of the motor. A rail 48 extending in the left-right direction is mounted on the lower surface of the ceiling of the portal frame 21.

A bias correcting device 23 and a resin sheet cutting device 24 are sequentially disposed to the right between the one-shot stocker mechanism 7 and the gripping means 12. In FIG. 3, the plate-shaped receiving member 25 has a lower sliding mechanism 50 and a ball screw mechanism 26 as a movement adjusting means in the width direction of the resin sheet S as shown in FIG. The output shaft of a motor 56 with a brake installed on a portal frame 55 is connected to the screw shaft 49 of the ball screw mechanism 26.
The pressing members 27 are provided so as to be able to reciprocate in the width direction of the resin sheet S. Each pressing member 27 is reciprocally mounted on an elevating frame 57 via an upper sliding mechanism 28. Are fixed to the lower end of a piston rod of a downward cylinder 29 fixedly disposed via a portal frame 55, and compression coil springs 58, 58 as elastic members are fixed to the lifting frame 57 at both ends of the holding member 27. The holding member 27 is lowered by the extension operation of the cylinder 29 to grip the resin sheet S on the receiving member 25, and the receiving member 25 is mounted on the motor. Resin sheet S by forward / reverse rotation of 56
The resin sheet S can be reciprocated in the width direction to correct the deviation in the width direction of the resin sheet S. A sensor 60 for detecting the deviation of the resin sheet S is mounted on the portal frame 55 (see FIG. 2).

Further, in the resin sheet cutting device 24, a plate-shaped fixed receiving member 30 adjacent to the right side of the receiving member 25 of the deviation correcting device 23,
And a plate-shaped movable receiving member 32 which is adjacent to the right side of the cylinder 0 and which moves up and down by an upward cylinder 31 is disposed at a required interval from each other.
Above 32, two pressing members 35, 36 which are moved up and down by expansion and contraction operations of two downward cylinders 33, 34 are disposed opposite to the fixed / movable receiving members 30, 32, respectively. These holding members 35 and 36 are
The resin sheets on the fixed / movable receiving members 30 and 32 can be pressed down by the extension operation of the members 3 and 34 to press the resin sheets. A rotary cutter 37 is disposed between the two pressing members 35 and 36, and the cutter 37 reciprocates in the width direction of the resin sheet S via a moving unit 38.

As shown in FIG. 2, a detecting means 39 is provided between the one-shot stocker mechanism 7 and the resin sheet cutting device 24. The detecting means 39 detects the presence of a hole. For the sake of illustration, a sensor 40 for detecting the presence or absence of silver foil previously attached to the resin sheet roll 4 is provided so as to be movable in the width direction of the resin sheet S with a ball screw mechanism 41, and a pair of bevel gears 51 is provided on the screw shaft 42. The handle 43 is fitted to the other end of the rotary shaft 52 via the shaft. The rotation of the handle 43 causes the sensor 40 to move and adjust in the width direction of the resin sheet S. You can do it.

On the right side of the resin sheet cutting device 24, a belt conveyor 4 extending in the width direction of the resin sheet S is provided.
Further, at the right side of the belt conveyor 44, a belt conveyor 45 that is directed in the moving direction of the gripping means 12 is disposed. In the figure, reference numeral 46 denotes a waste box, and 47 denotes a support.

Next, the operation of the equipment thus constructed will be described. First, the resin sheet roll 4 provided with silver foil as a mark on the side of the portion where the hole is clear is set on the caterpillar 5 of the resin sheet roll rotating device 1, and the handle 43 of the detecting means 39 is rotated forward and reverse to detect the sensor. The position is adjusted so that the silver foil 40 of the resin sheet S can be detected. As shown in FIG. 1, the cylinder 29 of the bias correcting device 23 is contracted to raise the holding member 27, and the resin sheet cutting device 2
4, the cylinders 33 and 34 are contracted to hold the pressing member 35,
36, and the cylinder 31 is contracted to lower the movable receiving member 32 so that the pressing member 36 and the movable receiving member 3
2 and the cylinder 17 of the gripping means 12
Is contracted to raise the movable claw 16 (see FIG. 1).

Under this condition, the caterpillar 5 is rotated by a required angle by the driving of the motor 6 of the resin sheet roll rotating device 1 to rotate the resin sheet roll 4, whereby the resin sheet roll 4 is rotated.
The resin sheet S of the resin sheet roll 4 is fed out by a required length. Subsequently, the fed resin sheet S is manually passed through the one-shot stocker mechanism 7 and the leading end of the resin sheet S is moved by the movable receiver of the resin sheet cutting device 24. Member 32
And the pressing member 36 to the right.

Thereafter, when the equipment is operated, the pressing member 3 is extended by the extension operation of the cylinder 33 of the resin sheet cutting device 24.
5, the holding member 35 and the fixed receiving member 30 grip the resin sheet S, and the gripper 12 is moved to the left by the gripper transfer device 18 so that the movable claw 16 of the gripper 12 The resin sheet S enters between the fixed claw 14. Next, the cylinder 17 of the gripper 12 is extended and the leading end of the fed resin sheet S is gripped by the fixed claws 14 and the movable claws 16, and then the gripper 12 is moved rightward by the gripper transfer device 18. While being moved, the length pulled out by the rotary encoder is measured,
The resin sheet S in the one-shot stocker mechanism 7 is pulled out by one shot.

When the sensor 60 detects the deviation of the drawn-out resin sheet S in the width direction, the cylinder 29 of the deviation correcting device 23 is extended to lower the pressing member 27 and the like. Then, the resin sheet S on the receiving member 25 is gripped, and subsequently, the motor 56 of the bias correcting device 23 is rotated forward and reverse as appropriate based on the detection result, so that the receiving member 25 is opposite to the sensor 60 side in the width direction. The pressing member 27 is also moved against the reaction force of the compression coil spring 58, and the bias is corrected.
When the resin sheet S is pulled out by a predetermined length in this manner, the cylinder 31 extends and the movable receiving member 32 rises, the cylinder 34 extends and the pressing member 36 descends to grip the resin sheet S, and Then, the cylinder 29 is contracted to raise the holding member 27 and the like. When the holding member 27 and the like are raised, the holding member 27 is returned to the original position by the compression coil spring 58. After that, the cutter 37 of the resin sheet cutting device 24 moves the resin sheet S
Is reciprocated in the width direction, and the resin sheet S is cut at a predetermined location.

While the resin sheet S is pulled out of the one-shot stocker mechanism 7, the detecting means 39 detects the presence or absence of silver foil to detect the quality of the resin sheet S. Sheet S
Is detected, the resin sheet roll rotating device 1 and the gripper transfer device 18 are driven for a required time and then temporarily stopped to suspend the drawing of the resin sheet S. The hole is pulled out until the hole comes to the right position of the cutter 37. Next, the pressing member 35 is lowered by the extension operation of the cylinder 33 to grip the resin sheet S with the fixed receiving member 30, and then the cutter 37 is moved by the moving means 3.
8, the resin sheet S is reciprocated in the width direction, and the resin sheet S is cut at a predetermined position. Next, gripping means 1
The second cylinder 17 is contracted to release the gripping state of the resin sheet S by the gripping means 12, and then the belt conveyors 44 and 45 are driven to send the cut defective resin sheet to the waste box 46. .

[0019]

As is apparent from the above description, the present invention provides a receiving member on which a resin sheet can be placed and which can be adjusted in the width direction of the resin sheet. A sensor for detecting, and a movement adjusting means for adjusting the movement of the receiving member in the width direction of the resin sheet via a lower sliding mechanism based on a detection result of the sensor,
A holding member disposed above the receiving member so as to be able to move up and down and adjustable to move in the width direction of the resin sheet via an upper sliding mechanism, and can be moved up and down together with the holding member at both ends of the holding member Since the bias correcting device is constituted by the elastic member which is disposed and elastically supports the pressing member in the width direction of the resin sheet, the bias in the width direction of the resin sheet is reduced by the bias correcting device to reduce the resin sheet. An excellent effect is obtained such that the edge can be cut so as to be substantially perpendicular to the edge.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is an enlarged view taken along the line AA of FIG. 1;

[Explanation of symbols]

 Reference Signs List 25 receiving member 26 ball screw mechanism 27 holding member 28 upper sliding mechanism 50 lower sliding mechanism 58 compression coil spring 60 sensor

Claims (1)

(57) [Claims] 1. A resin sheet roll rotating device for supporting a resin sheet roll in a horizontal position and rotating in a vertical plane, and a predetermined length fed from the resin sheet roll set in the resin sheet roll rotating device. A one-shot stocker mechanism for temporarily storing the resin sheet and applying an appropriate amount of tension to the resin sheet, a gripper capable of gripping the front end of the resin sheet from the one-shot stocker mechanism, and A gripper transfer device for moving the resin sheet from the one-shot stocker mechanism by moving the resin sheet in a direction, a measuring means for measuring a length of the resin sheet drawn from the one-shot stocker mechanism, and a resin drawn from the one-shot stocker mechanism. A resin sheet cutting device that cuts the sheet at a predetermined location, and a resin sheet Detecting means for detecting a mark for indicating the quality of the resin sheet, when the resin sheet is pulled out from the resin sheet roll and cut to a predetermined length, the deviation in the width direction of the resin sheet near the cutting device is corrected. A receiving member 25 on which the resin sheet can be placed and whose movement can be adjusted in the width direction of the resin sheet; a sensor 60 for detecting a deviation in the width direction of the resin sheet; A movement adjusting means 26 for adjusting the movement of the receiving member 25 in the width direction of the resin sheet via the lower sliding mechanism 50 based on the detection result of Dynamic mechanism 2
8, and a pressing member 27 which can be moved and adjusted in the width direction of the resin sheet, and which are disposed on both ends of the pressing member 27 so as to be able to move up and down together with the pressing member 27, and press the pressing member 27 with the resin sheet. Elastic member 58 elastically supported in the width direction
And an equipment for correcting deviation of the resin sheet.