JP2012031496A - System and method of peeling off laminate article - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a system and a method of peeling off a laminate article, capable of increasing an operating ratio and improving working efficiency in a normal production line.SOLUTION: A peeling-off system 1 peeling electrolytic copper off from a cathode plate of a laminate article generated by a planned outage or the like includes a first transfer machine 11, a discharge conveyor 15, a rejection conveyor 19, a laminate article peel-off machine 27, first and second transfer robots 21, 24, and the like, arranged in a lamination treatment zone A adjacent to the normal production line B. A laminate article 20 from a cleaning tank 10 reaches a peel-off unit 16 via the first transfer machine 11, the rejection conveyor 19, and the first transfer robot 21, wherein the electrolytic copper is peeled off from a stainless steel plate by the peel-off unit 16. The electrolytic copper is transferred to the discharge conveyor 15, and the stainless steel plate is transferred to an array conveyor 17 via the second transfer robot 24, a mother board rejection conveyor 23, and a second transfer machine 18.

Description

  The present invention relates to a laminate product stripping system and method for stripping an electrodeposited metal that has become a laminate product in electrolytic refining of metal from a cathode plate, and in particular, the current supply is temporarily stopped during electrolytic purification. In particular, the present invention relates to a system and a method for stripping a laminate product that can efficiently perform a work of stripping a laminate product generated from the cathode plate.

  In recent years, a permanent cathode (PC) method in which electrolysis is performed using a stainless steel plate as a cathode (cathode) and crude copper as an anode (anode) has been widely used as an electrolysis process in the electrolytic purification of metal, for example, copper. . This permanent cathode method has the advantages of higher productivity and improved quality compared to the conventional method that requires seed plate electrolysis. FIG. 5 is a diagram for explaining the process of the permanent cathode method. While the crude copper (copper content 97 to 99%) obtained from the copper concentrate by dry smelting is molded into a mold die, A cathode plate is produced from a stainless steel plate. Then, when the anode plate and the cathode plate are alternately immersed in an electrolytic cell in which an electrolytic solution is stored and a DC voltage is applied between both electrodes, the copper constituting the anode plate is contained in the electrolytic solution. When dissolved, copper is electrodeposited on the surface of the cathode plate. When such electrolysis is continued for 1 to 2 weeks, electrolytic copper having a desired thickness is formed on the surface of the cathode plate. At that stage, the cathode is lifted from the electrolytic cell, and the cathode plate is removed by a peeling machine (stripping machine). The electrolytic copper is obtained by peeling the electrolytic copper from the copper. The cathode plate from which the electrolytic copper is peeled can be used repeatedly. An example of such a permanent cathode method is disclosed in Patent Document 1.

  Here, the permanent cathode method is roughly classified into an ISA method and a KIDD method. In the ISA method, both sides of the cathode are insulated and masked with vinyl chloride and the like, and the lower part is masked with wax to prevent electrodeposition on both sides and the lower part. After the electrolytic treatment is completed, electrodeposition is performed on both sides of the cathode. A method of peeling off the obtained copper by a peeling machine, thereby obtaining two pieces of copper from one cathode plate, and as disclosed in Patent Document 2, the lower end surface of the cathode plate has an opening of 75 to 150 °. A method in which a V-shaped groove is provided and no wax is used in the lower part is known. When stripping electrolytic copper from the cathode plate that does not use wax in this lower part, sandwich both sides of the upper end with a wedge-shaped stripper, and lower the wedge-shaped stripper in that state to strip the copper from both sides of the cathode plate. At first, when the electric copper is connected only at the position corresponding to the V-shaped groove at the lower end of the cathode plate and separated from both sides of the cathode plate, it is divided into two when the electric copper is pulled outward with respect to the cathode plate. Two electrolytic copper can be obtained.

  By the way, in an electrical copper manufacturing facility, a periodic inspection is performed about once a year in response to a power transmission facility inspection of an electric power company. This is an operation of stopping the production equipment and simultaneously stopping energization of the copper electrolyzer (for about 8 to 12 hours), and a planned power outage (also referred to as planned energization) is performed. In addition, lightning strikes and other sudden accidents can lead to power outages. When the energization is temporarily stopped during electrolytic purification, there may be a phenomenon that the electrolytic copper becomes two layers before and after the energization is stopped. This phenomenon is called “lamination”, and the electrodeposited metal on which lamination occurs is called “laminate”. Here, in the case of normal electrolytic copper, even if the electrodeposited metals on both the left and right sides are connected to each other at the bottom surface portion of the cathode plate, the electrolytic copper is removed by the effect of the so-called V groove formed on the bottom surface of the cathode plate. When peeled off, it can be broken well in the middle of the bottom of the electrodeposited metal to obtain a substantially symmetrical electric copper. However, in the case of a laminate, the V-groove effect is not exerted due to the elasticity of electrolytic copper even if it is peeled off from the cathode plate, and the second layer of electrolytic copper does not break into two well at the bottom of the cathode plate. There are many cases. In this case, conventionally, the flexing operation was repeated many times to cause fatigue fracture and cut, or the operator manually stripped the electrolytic copper from the cathode plate. There is also an electrolytic refining method that increases the current value in two or more stages at the time of power recovery operation after the end of the power outage, suppresses the occurrence of lamination, and facilitates stripping of the copper after the planned power outage. It has been proposed (Patent Document 3).

JP-A-2005-240146 JP-T-2003-502512 JP 2009-256742 A

  However, as described above, the stripping operation of the electrolytic copper in the conventional laminate product is performed many times, so that the normal operation by the stripper is processed in 6 to 7 seconds per sheet. In the case of a laminated product, it takes 20 to 30 seconds per sheet. As a result, work efficiency has been greatly reduced, causing problems such as work delays and reduced availability. In addition, the off-line stripping work by the worker's manual work has a problem that there is anxiety in safety because it handles heavy objects.

  Therefore, the present invention has been made in view of such problems, and by separately processing the laminated product without performing processing in the normal line, the operation rate of the normal line is increased and workability is improved. It is an object of the present invention to provide a stripping system and method for a laminate that can be achieved.

  In order to solve the above problems, the invention according to claim 1 is a cathode of a laminate in which lamination of two layers of electrodeposited metal occurs before and after the energization is stopped by temporarily stopping energization during electrolytic refining. In the stripping method of the laminate that strips the electrodeposited metal from the plate, the laminate that has undergone lamination during electrolytic refining is selected from the normal line by the first transfer machine and transported to the lamination treatment area. It is characterized by stripping the electrodeposited metal from the product.

  In order to solve the above-mentioned problem, the present invention according to claim 2 is the method for stripping a laminate according to claim 1, wherein the cathode plate after the electrodeposited metal is stripped is a base plate reject conveyor. It is characterized by being returned to the normal line via

  In order to solve the above-mentioned problem, the present invention described in claim 3 is the method of stripping a laminate according to claim 1 or 2, wherein the electrodeposited metal stripped is an electrodeposition provided on a normal line. It is carried out from the lamination processing area by a carry-out conveyor installed separately from the metal carrying conveyor.

  In order to solve the above-mentioned problem, the present invention as set forth in claim 4 is a laminate product in which lamination of two layers of electrodeposited metal occurs before and after energization is stopped by temporarily stopping energization during electrolytic refining. In a laminate stripping system for stripping electrodeposited metal from a cathode plate, a first transfer machine for transferring the cathode plate on which lamination has occurred from a normal line to a reject conveyor disposed in the lamination processing zone, and a lamination processing zone And a laminate product peeling machine for stripping the electrodeposited metal from the cathode plate of the laminate product, and a first product for transferring the laminate product transferred by the first transfer device to the laminate product peeling machine. Transport of electrodeposited metal on a normal line for unloading the electrodeposited metal peeled off by the transfer robot and laminate peeling machine And a second transfer robot for transferring the cathode plate after being peeled off by the peeling device for laminate product to the mother plate reject conveyor. To do.

  In order to solve the above-mentioned problem, the present invention according to claim 5 is the second aspect of the laminate stripping system according to claim 4, wherein the cathode plate transferred to the mother plate reject conveyor is returned to the normal line. It is characterized by having a transfer machine.

  According to the copper electrolytic purification method and system of the present invention, a lamination treatment area is provided separately from the normal line, the laminate is transferred from the normal line to the lamination treatment area, and the electrolytic copper of the laminate is peeled off in the lamination treatment area. By performing the processing, there is an effect that the operating rate of the normal line can be increased and workability can be improved.

1 is a plan view showing a preferred embodiment of a laminate stripping system according to the present invention. It is a side view which shows the detail of the rejection conveyor of FIG. 1, and a 1st transfer robot. It is a side view which shows the detail of the peeling part of FIG. It is a flowchart which shows operation | movement of the stripping off system of the laminated product which concerns on this invention. It is a figure explaining the process of a permanent cathode method.

  Hereinafter, the laminate stripping system (hereinafter simply referred to as “stripping system”) and method according to the present invention will be described in detail based on a preferred embodiment. FIG. 1 is a plan view showing an embodiment of a stripping system according to the present invention.

[Configuration of stripping system]
The stripping system 1 shown in the figure is a normal product in which metal is normally electrodeposited on both sides without causing a temporary power failure during electrolytic refining (the “normal product” is an electrodeposited metal in which lamination is not generated for convenience). 28) and a stripping system for efficiently stripping the electrodeposited metal from the laminate 20 in which a temporary power failure occurred during the electrolytic refining and lamination occurred. Hereinafter, a case where the electrodeposited metal is electrolytic copper will be described as an example.

  The stripping system 1 is for cleaning the normal product 28 and the laminated product 20 in which electrolytic copper is electrodeposited on both sides of the cathode plate (stainless steel plate 22, also referred to as “mother plate”) after electrolytic purification is completed. A first transfer machine 11 installed in front of the discharge direction of the normal product 28 and laminate product 20 in the cleaning tank 10 and an extension line in the discharge direction of the cleaning tank 10, and the first transfer machine 11. Is installed in a direction perpendicular to the discharge direction of the washing tank 10 and the reject conveyor 19 for conveying all or part of the laminate 20 in the direction of the arrow shown in the figure, and transferred by the first transfer machine 11 The traverse conveyor 12 for transporting the normal product 28 in which normal electrolytic copper is electrodeposited on both sides of the formed cathode plate in a direction parallel to the plane, and the traverse conveyor 12 are disposed substantially in the middle. An electrical copper discharge conveyor 13 for stripping the electrical copper from the normal product stripper 14 and the traverse conveyor 12, and transporting the electrical copper stripped off by the normal product stripper 14; An array conveyor 17 disposed in the vicinity of the conveying terminal end of the conveyor 12 and installed in a direction orthogonal to the traverse conveyor 12 that conveys the cathode plate of the normal product 28 after the electrolytic copper is peeled off, and the traverse conveyor 12 The second transfer is performed in such a manner that the stainless steel plate 22 of the normal product 28 which is installed in the vicinity of one end of the transfer conveyor 17 and is continuous with one end side of the transfer conveyor 17 is transferred to the transfer conveyor 17. A stripping unit 16 that is disposed adjacent to the loading machine 18 and the stripper 14 for normal products, strips the electrical copper from the laminate 20, and The first transfer machine 11 is rejected by a carry-out conveyor 15 that is arranged in a direction orthogonal to the transfer conveyor 12 and conveys the copper peeled off from the laminate 20 in a direction opposite to the conveyance direction of the electric copper discharge conveyor 13. The first transfer robot 21 for transferring the laminate 20 transferred to the conveyor 19 to the stripping unit 16 and the cathode plate (stainless steel plate 22) after the electrolytic copper is stripped from the laminate 20 are arranged. A base plate (stainless steel plate) reject conveyor 23 transported toward the conveyor 17 and a cathode plate (stainless steel plate 22) after the electrolytic copper is stripped off by the stripping unit 16 are transferred to the base plate reject conveyor 23. A second transfer robot 24 and a control device 30 for controlling and managing the entire stripping system 1 are provided.

  Here, the installation place of the carry-out conveyor 15, the stripping unit 16, the reject conveyor 19, the mother board reject conveyor 23, and the first and second transfer robots 21 and 24 forms a lamination processing area A. Further, a normal line B is formed by the first transfer device 11, the second transfer device 18, the traverse conveyor 12, the electrolytic copper discharge conveyor 13, the normal product stripper 14, and the array conveyor 17.

  The first transfer machine 11 transfers all or part of the cathode plate from the cleaning tank 10 to the reject conveyor 19 when the cathode plate is the laminate product 20, and the traverse conveyor 12 when the cathode plate is the normal product 28. It is a device to transfer. Here, it is of course possible to configure so that all the laminate products 20 are processed in the lamination processing area A, but in this embodiment, some laminate products are configured so that they can also be processed in the normal line B. . The reason why such a configuration is adopted is that when all the laminate products 20 are processed in the lamination processing area A, if a large number of laminate products 20 are continuously conveyed, they should be processed in the normal line B. Since there is no normal product 28, the normal line B is vacant. However, although it takes time to strip the electrodeposited metal from the laminated product 20 in the normal line, it is possible to shorten the overall processing time by using the normal line rather than not using the normal line at all. It is. Therefore, the processing in the lamination processing area A and the processing in the normal line B are used in combination. The second transfer machine 18 is an apparatus for transferring the stainless steel plate 22 after the electrolytic copper is peeled off from the cathode plate of the normal product 28 to the array conveyor 17. The normal product stripper 14 is a device that strips the electrolytic copper from both surfaces of the normal product 28 conveyed by the traverse conveyor 12. On the other hand, the stripping unit 16 includes a stripping machine (not shown), and is a device that strips electrolytic copper from the laminate 20. Each of the first and second transfer robots 21 and 24 is, for example, a so-called multi-joint type robot including a manipulator having a joint part and a turning mechanism for turning the joint part. A sensor is provided, and the laminate 20 and the stainless steel plate 22 from which the electrolytic copper has been peeled off from the laminate 20 are gripped at the tip of the manipulator and transferred to a predetermined position. The operations of the first and second transfer robots 21 and 24 are performed by storing and storing the position information in the control device 30 in advance.

  Here, the configuration of the first transfer robot 21 will be described. The first transfer robot 21 includes a main body 211 installed on the ground G, a drive unit 212 rotatably attached to the upper part of the main body 211, and a multi-joint operation capable of being attached to the drive unit 212. The manipulator 213 is configured (see FIG. 1). Similarly, the second transfer robot 24 has a main body 241 installed on the ground G, a drive unit 242 rotatably attached to the upper part of the main body 241, and a multi-joint operation on the drive unit 242. And a manipulator 243 attached thereto (see FIG. 1).

  The control device 30 is mainly composed of, for example, a so-called microcomputer provided with a CPU, a memory, a display, and other circuits, and the normal product stripper 14, the stripping unit 16, the first and second transfer units. The on / off and rotation of drive motors such as the loading robots 21 and 24 and the conveyors are controlled. Further, it is determined whether the conveyed laminate product 20 is processed in the lamination processing area A or the normal line B, and the operation of the first transfer machine 11 is controlled. The control device 30 executes processing based on a program stored in a storage medium such as a semiconductor memory. That is, the process as shown in FIG. 4 is performed as an example.

  FIG. 2 is a side view showing details of the transfer unit including the first transfer robot 21 and the reject conveyor 19. The reject conveyor 19 is horizontally installed at a predetermined height by columns 25a and 25b, and one or a plurality of laminate products 20 are conveyed in the right direction in FIG. 2 in a vertical state. That is, a plurality of laminate products 20 are moved upward in FIG. 1 and rightward in FIG. 2 by the reject conveyor 19, and the manipulator of the first transfer robot 21 sequentially from the rightmost laminate product 20 in FIG. It is gripped by 213 and transferred to the stripping section 16.

  FIG. 3 is a side view showing details of the stripping portion 16. Supports 160a and 160b are erected on the ground G, and a table 26 is fixed horizontally on the upper surface thereof. On this table 26, a laminate stripper 27 is installed. The laminate peeling machine 27 is a so-called “flexing” in which a force is applied from the left and right directions of the electric copper 40 to make it undulate, and the electric copper 40 is chiseled (the electric copper 40 and the stainless steel plate 22 are bonded by flexing. By inserting a chisel (not shown) into the gap formed between them and peeling it off, the electric copper 40 is dropped onto the carry-out conveyor 15 in a V-shaped cross section without breaking the bottom. In the case of the laminate 20, the copper is electrodeposited in a two-layer structure before and after the power failure due to a temporary power failure, and the cracks generated in the above flexing and chiseling processes are the upper part of the V groove at the bottom of the cathode plate. However, the propagation stops near the interface of the two-layer structure, and the bottom part falls off from the stainless steel plate 22 as a mother plate without being completely cracked.

  Next, the configuration of the laminate product stripper 27 will be described. As shown in FIG. 3, the laminate stripper 27 is provided via a lower fixing cylinder 271a, 271b and a stand 272a, 272b, which are provided on the table 26 and sandwiched and fixed from both sides so that the laminate 20 does not move. And the flexible cylinders 273a and 273b that push the laminate product 20 in the protruding direction to curve the laminate product 20. In FIG. 3, in order to make the structure of the laminate 20 easy to understand, the thickness of the electric copper 40 before peeling off from the stainless steel plate 22 is shown as being thicker than the electric copper 41 after peeling off. .

[Operation of stripping system]
Next, the method for stripping a laminate according to the present invention will be described with reference to the flowcharts of FIGS. 1 to 3 and 4 together with the operation of the stripping system 1 described above. First, the stripping system 1 starts an operation based on a command issued from the control device 30. That is, the driving of the conveyors 12, 13, 15, 17, and 18 is started, and the first and second transfer robots 21 and 24 are also operable. The normal product 28 and the laminate product 20 that have undergone the electrolytic purification (S101) are washed by the washing tank 10 (S102), and then sent to the first transfer machine 11. The control device 30 determines whether the normal product 28 or the laminate product 20 that has reached the first transfer machine 11 is the normal product 28 or the laminate product 20 (S103). This is because the cathode that has been transported from which electrolytic cell based on the information on which electrolytic cell started electrolytic refining, when there was a power failure, when energization was started, and when electrolytic refining was completed It is possible to know in advance whether it is a plate, and by storing this information as electronic data in a storage medium in the control device 30 in advance, the cathode plate sent from the cleaning tank 10 is a normal product 20. Or the laminate 20 can be distinguished. When the cathode plate sent from the cleaning tank 10 is the normal product 28 (S103: No), the first transfer machine 11 is driven and controlled by the control device 30, and the normal product 28 is transferred onto the traverse conveyor 12. (S104). Since the upper surface of the traverse conveyor 12 is driven so as to move in the left direction in FIG. 1, the cathode plate 28 is transported in the left direction indicated by the arrow in FIG. 1, and then to the normal product stripper 14. To reach.

  The normal product 28 that has reached the normal product stripper 14 is stripped of electrolytic copper from both side surfaces (S105). The electrolytic copper peeled off from the stainless steel plate 22 is recovered as electrolytic copper by being conveyed to a predetermined position by the electrolytic copper discharge conveyor 13 (S105a). On the other hand, the stainless steel plate 22 from which the electrolytic copper is stripped off by the normal stripper 14 is transported to the second transferer 18 by the traverse conveyor 12 (S106), and then by the second transferer 18 It is transferred to the array conveyor 17 (S107), and is recovered to a predetermined place for use in the next electrolytic treatment (S108).

  Next, when the cathode plate from the washing tank 10 is determined to be the laminate product 20 in step S103 (S103: Yes), the control device 30 further rejects all or part of the laminate product 20 to the reject conveyor 19. (S109). In the normal line B, the normal product 28 is processed in 6 to 7 seconds per sheet, whereas the laminate product 20 requires 20 to 30 seconds per sheet. , The processing speed in the lamination processing area A and the processing speed in the normal line B are taken into consideration to determine which of the laminate products 20 is to be distributed, and the first transfer machine 11 is driven and controlled. Then, all or a part of the laminate product 20 is transferred to the reject conveyor 19 (S110). The laminated product 20 transferred to the reject conveyor 19 is gripped in units of one sheet by the manipulator 213 of the first transfer robot 21 (S111) and transferred to the stripping unit 16. In the stripping unit 16, the electrical copper 40 (laminated copper plate) is stripped from the laminate 20 by the laminate stripper 27 shown in FIG. 3 (S 112), and the stripped electrical copper 41 is conveyed by the carry-out conveyor 15. It is collected (S112a).

  In the laminate stripper 27, as shown in FIG. 3, the lower fixed cylinders 271a and 271b fix the laminate 20 on both sides so that the laminate 20 does not move. One of them, for example, the flexible cylinder 273a is driven. Then, the flexible cylinder 273a is pressed against the laminate product 20, and the laminate product 20 is thereby bent. Next, the other flexible cylinder, that is, the flexible cylinder 273b is driven, whereby the laminate product 20 is pushed in the opposite direction. By this operation, the laminate 20 is bent to the opposite side. As a result, a gap is generated between the stainless steel plate 22 and the electric copper 40, and the electric copper 40 is peeled off from the stainless steel plate 22. The stripped electrical copper 41 is collected by the carry-out conveyor 15 as described above. On the other hand, the stainless steel plate 22 from which the electrolytic copper 41 has been peeled off is transferred to the mother board reject conveyor 23 by the second transfer robot 24 (S113) (S114), and further, by the second transfer machine 18. It is transferred to the array conveyor 17 (S115), and is recovered to a predetermined place for use in the next electrolytic treatment in the same manner as the stainless steel plate 22 of the normal product 20 (S116).

[Effect of the embodiment]
According to the laminate stripping system according to the present embodiment, the unloading conveyor 15, stripping unit 16, reject conveyor 19, mother board reject conveyor 23, and first and second transfer robots in the lamination processing area A. 21 and 24 are installed, the laminated product 20 is excluded from the normal line B for processing the normal product 20, and the normal line B is prevented from being delayed due to the processing of the laminated product 20, so that the operation rate of the normal line is maintained. At the same time, the workability can be improved.

  In addition, the laminate 20 is fed into the lamination processing area A, and the characteristics of the two-layered electric copper 40, 41 are used to peel off the laminate 20 in a V-shaped cross section instead of dividing into two. There is no need to carry out more than necessary, and there is an effect that the stripping efficiency of electrolytic copper is greatly improved.

  Further, since the processing of the laminated product is automated, the worker is freed from the conventional manual work, and the safety is ensured. Moreover, not only laminate products but also defective cathode plates that are usually difficult to remove with a stripper can be processed fully automatically, contributing to a reduction in workload even in daily work.

  As described above, the preferred embodiment has been described. However, the laminate stripping system according to the present invention can be applied to any laminate stripping system in electrodeposition of metals other than electrolytic copper.

DESCRIPTION OF SYMBOLS 1 Laminate stripping system 10 Cleaning tank 11 First transfer machine 12 Traverse conveyor 13 Electrical copper discharge conveyor 14 Normal product stripping machine 15 Unloading conveyor 16 Stripping section 17 Array conveyor 18 Second transfer machine 19 Reject conveyor 20 Laminated product 21 First transfer robot 22 Stainless steel plate 23 Mother plate reject conveyor 24 Second transfer robot 25a Support column 25b Support column 26 Table 27 Laminated product stripper 28 Cathode plate 30 Controller 40 Before peeling Electro-copper 41 Stripped copper 160a Post 160b Post 211 Main body 212 Drive section 213 Manipulator 241 Main body 242 Drive section 243 Manipulator 271a Lower fixed cylinder 271b Lower fixed cylinder 272a Stand 272b Stand 273a Flexible cylinder 273b Flexible cylinder

Claims (5)

In the stripping method of the laminate product, the electrodeposition metal is peeled off from the cathode plate of the laminate product in which the lamination in which the electrodeposited metal becomes two layers before and after the energization stop is caused by temporarily stopping energization during electrolytic purification.
All or part of the laminate that has undergone lamination during electrolytic refining is selected from the normal line by the first transfer machine and transported to the lamination treatment area, and the electrodeposited metal is stripped from the transported laminate. A method for stripping laminate products. In the peeling method of the laminated product of Claim 1,
The cathode plate after the electrodeposited metal is peeled off is returned to the normal line via a mother plate reject conveyor. In the stripping method of the laminate according to claim 1 or 2,
The stripped electrodeposited metal is carried out of the lamination treatment area by a carry-out conveyor installed separately from the electrodeposited metal carrying conveyor provided in the normal line. . In the stripping system of the laminate product, the electrodeposition metal is stripped from the cathode plate of the laminate product in which the lamination in which the electrodeposited metal becomes two layers before and after the energization stop is caused by temporarily stopping energization during electrolytic purification.
A first transfer machine for transferring all or a part of the cathode plate in which lamination occurs during the electrolytic purification to a reject conveyor disposed in a lamination treatment area from a normal line;
Laminate stripper installed in the lamination treatment area and stripping the electrodeposited metal from the laminate cathode plate;
A first transfer robot for transferring the laminate product transferred by the first transfer device to the laminate product peeling machine;
An unloading conveyor installed separately from the electrodeposition metal transfer conveyor provided in the normal line for unloading the electrodeposited metal peeled off by the laminate peeling machine;
A laminate product peeling system comprising: a second transfer robot for transferring the cathode plate after being peeled off by the laminate product peeling machine to a mother plate reject conveyor. In the stripping system of the laminate according to claim 4,
A laminate stripping system comprising a second transfer machine for returning a cathode plate transferred to the mother board reject conveyor to a normal line.

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