Cathode plate conductive rod composite correction device and method

Abstract

This invention discloses a composite calibration device for cathode plates and conductive rods, belonging to the field of cathode assembly calibration technology. The key technical points are: it includes a housing and a cathode assembly; the housing houses a pre-calibration mechanism and a fine calibration mechanism; a conveying mechanism is located on one side of the housing near the pre-calibration mechanism, and a rotating mechanism is located on the other side; the cathode assembly includes a cathode plate and conductive rods; the cathode assembly is placed on the conveying mechanism for transport, and then transported to the pre-calibration mechanism for pre-calibration of the conductive rods and the cathode plate; finally, the pre-calibration mechanism transports the cathode assembly to the fine calibration mechanism for final fine calibration. This solution can calibrate batches of cathode plates and conductive rods, ensuring their relative perpendicularity, guaranteeing the overall calibration effect of the cathode assembly, and improving the calibration rate of batch cathode assemblies.

Description

Technical Field

[0001] This invention relates to the field of cathode assembly calibration technology, specifically to a cathode plate conductive rod composite calibration device. Background Technology

[0002] In the hydrometallurgical production process, the cathode assembly consists of a conductive rod and a cathode plate welded onto the conductive rod. It is an important component in the electrolysis process. During electrolysis, the cathode assembly is prone to the adhesion of copper ions, which requires cleaning. During the cleaning process, the conductive rod is easily bent and deformed due to collisions and squeezing, and the cathode plate is warped. If the deformed cathode assembly is reused directly, it will lead to uneven current distribution during electrolysis, affecting the quality of the electrolytic product and reducing the service life of the cathode plate. Therefore, it is necessary to correct the conductive rod of the cathode plate after use. Most existing calibration devices only calibrate the cathode plate individually and cannot simultaneously calibrate the conductive rod. Moreover, the calibration process is mostly a single-sided calibration of the cathode plate, resulting in insufficient overall calibration accuracy of the cathode assembly. There is a deviation between the cathode plate and the conductive rod, and the relative perpendicularity is insufficient, requiring repeated adjustments one by one. This leads to low efficiency in batch calibration. In view of this, a composite calibration device and method for cathode plate and conductive rod is proposed. Summary of the Invention

[0003] To address the problems existing in the prior art, the present invention aims to provide a cathode plate and conductive rod composite correction device, which can correct a batch of cathode plates and conductive rods and ensure their relative perpendicularity, thereby guaranteeing the overall correction effect of the cathode assembly and improving the correction rate of batch cathode assemblies.

[0004] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a cathode plate and conductive rod composite correction device, comprising a housing and a cathode assembly, wherein a pre-correction mechanism and a fine correction mechanism are provided inside the housing, a conveying mechanism is provided on one side of the housing near the pre-correction mechanism, and a rotating mechanism is provided on the other side, and the cathode assembly comprises a cathode plate and a conductive rod. The cathode assembly is placed on the conveying mechanism for transport. The conveying mechanism transports the cathode assembly to the pre-calibration mechanism for pre-calibration of the conductive rod and the cathode plate. Finally, the pre-calibration mechanism transports the cathode assembly to the fine calibration mechanism for final fine calibration.

[0005] In some embodiments, the conveying mechanism includes a first bracket, on which a pneumatic push rod is mounted. A connecting rod is provided on the telescopic part of the pneumatic push rod, and a support plate is provided on the connecting rod. A push plate is provided on each side of the support plate on the connecting rod. A slide rail is provided on the first bracket below the support plate. The slide rail is slidably connected to the connecting rod via a slider. A cylinder is provided on one side of the support plate on the first bracket, and a guide wheel is provided on the other side. A limiting plate is provided on the telescopic part of the cylinder.

[0006] In some embodiments, the pre-calibration mechanism includes a second bracket, on which a first drive motor and a second drive motor are disposed. A first calibration component is disposed on the side of the second bracket near the first drive motor, and a second calibration component is disposed on the side of the second bracket located on the side of the first calibration component.

[0007] In some embodiments, the first correction component includes a first mounting frame, on which a first connecting gear and a second connecting gear are disposed. Above the first connecting gear, a first pressure roller group and a second pressure roller group are disposed on the first mounting frame. The first pressure roller group is connected to the first connecting gear via a sprocket, and the second pressure roller group is connected to the second connecting gear via a sprocket. Both the first connecting gear and the second connecting gear are connected to the first drive motor via a chain. The rotation direction of the first pressure roller group is opposite to that of the second pressure roller group. A hydraulic actuator is disposed on the first mounting frame, and the telescopic part of the hydraulic actuator is connected to the second pressure roller group. In some embodiments, the second correction component includes a second mounting frame, on which a third connecting gear and a fourth connecting gear are disposed. A third pressure roller group is disposed on the second mounting frame above the first connecting gear. The third pressure roller group is connected to the third connecting gear via a sprocket. The third connecting gear and the fourth connecting gear are both connected to the second drive motor via chains. A first gantry frame is disposed on the second mounting frame. A set of first lifting devices is disposed on each side of the first gantry frame. Each telescopic part of each set of first lifting devices is provided with a movable plate. A fourth pressure roller group is disposed on the two movable plates. The fourth pressure roller group is connected to the fourth connecting gear via a sprocket. The rotation direction of the third pressure roller group is opposite to the rotation direction of the fourth pressure roller group.

[0008] In some embodiments, the fine calibration mechanism includes a third bracket, on which a third drive motor is mounted, and on which a third calibration component is mounted.

[0009] In some embodiments, the third correction component includes a third mounting frame, on which a gear set is provided, and a fifth pressure roller set is connected to the gear set. The fifth pressure roller set includes an upper part and a lower part. A second gantry frame is provided on the third mounting frame, and a set of second lifting devices is provided on each side of the second gantry frame. The telescopic parts of the two sets of second lifting devices are connected to a movable frame. The two sides of the movable frame are connected to the upper part of the fifth pressure roller set, and weight-adding components are provided on the movable frame at positions corresponding to the fifth pressure roller set.

[0010] In some embodiments, the rotating mechanism includes a fourth bracket, on which an electric slide rail is mounted. The electric slide rail is connected to a moving block via a slider. A rotary motor is mounted on the moving block, and a suction cup holder is connected to the rotary motor.

[0011] A method for composite correction of cathode plate and conductive rod, using the above-mentioned device, is characterized by comprising the following steps: a. Place the cathode assembly onto the conveying mechanism, use the conveying mechanism to position and guide the cathode assembly, and then convey it to the pre-calibration mechanism; b. Set the corresponding curvature in the pre-calibration mechanism, and then pre-calibrate the cathode plate and conductive rod of the cathode assembly respectively to make the cathode assembly vertical and without warping. Then, transport the cathode assembly to the fine calibration mechanism. c. The fine calibration mechanism performs fine calibration on the cathode assembly that has completed the pre-calibration, so that the cathode plate and the conductive rod are relatively perpendicular, and then the cathode assembly is transported to the rotating mechanism. d. The rotating mechanism rotates the conductive rod of the cathode assembly to a position away from the fine calibration mechanism, so that the cathode plate is close to the fine calibration mechanism, and then transports the cathode plate into the fine calibration mechanism; e. Finally, the precision calibration mechanism calibrates the cathode plate again, ensuring that the cathode plate is calibrated in both the horizontal and vertical directions. Then, the cathode plate is transported to the rotating mechanism to complete the calibration of the cathode assembly.

[0012] In summary, the present invention has the following beneficial effects: This invention utilizes a first correction component of a pre-correction mechanism to correct the conductive rods of the cathode assembly, while a second correction component corrects the cathode plate of the cathode assembly. These two processes are performed simultaneously to ensure the overall correction effect of the conductive rods and cathode plate, guaranteeing the overall verticality of the cathode assembly. Furthermore, a fine correction mechanism and a rotation mechanism are included. With the cooperation of these two mechanisms, the cathode plate is corrected longitudinally and laterally, thereby ensuring the relative verticality between the cathode plate and the conductive rods and guaranteeing the overall correction effect of the cathode assembly. This allows for rapid and effective correction of batches of cathode assemblies, improving the batch correction rate. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a partial structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the overall structure of the conveying mechanism of the present invention; Figure 4 This is a schematic diagram of the conveying mechanism of the present invention from other perspectives; Figure 5 This is a schematic diagram of the overall structure of the pre-correction mechanism of the present invention; Figure 6 This is a schematic diagram of the overall structure of the first correction component of the present invention; Figure 7 This is a schematic diagram of the overall structure of the second correction component of the present invention; Figure 8 This is a schematic diagram of the overall structure of the precision calibration mechanism of the present invention; Figure 9 This is a partial structural schematic diagram of the third correction component of the present invention; Figure 10 This is a partial structural schematic diagram of the third correction component of the present invention; Figure 11 This is a schematic diagram of the overall structure of the rotating component of the present invention.

[0014] In the diagram: 1. Housing; 2. Conveying mechanism; 21. First support; 22. Pneumatic actuator; 23. Connecting rod; 24. Support plate; 25. Slide rail; 26. Push plate; 27. Guide wheel; 28. Cylinder; 29. ​​Limiting plate; 3. Pre-calibration mechanism; 31. Second support; 32. First drive motor; 33. Second drive motor; 34. First calibration assembly; 341. First mounting bracket; 342. First connecting gear; 343. Second connecting gear; 344. First pressure roller group; 345. Second pressure roller group; 346. Hydraulic unit; 35. Second calibration assembly; 351. Second mounting bracket; 352. Third connecting gear; 353. Fourth... 354. Connecting gear; 355. Third pressure roller group; 356. Fourth pressure roller group; 357. First gantry frame; 358. First lifting device; 359. Moving plate; 4. Fine calibration mechanism; 41. Third support; 42. Third drive motor; 43. Third calibration component; 431. Third mounting frame; 432. Gear group; 433. Fifth pressure roller group; 434. Second gantry frame; 435. Second lifting device; 436. Moving frame; 437. Weighting component; 5. Rotating mechanism; 51. Fourth support; 52. Electric slide rail; 53. Moving block; 54. Rotary motor; 58. Suction cup frame; 6. Cathode assembly; 61. Conductive rod; 62. Cathode plate. Detailed Implementation

[0015] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0016] See Figure 1-11 A cathode plate and conductive rod composite correction device includes a housing 1 and a cathode assembly 6. The housing 1 is provided with a pre-correction mechanism 3 and a fine correction mechanism 4. A conveying mechanism 2 is provided on one side of the housing 1 near the pre-correction mechanism 3, and a rotating mechanism 5 is provided on the other side. The cathode assembly 6 includes a cathode plate 62 and a conductive rod 61. The cathode assembly 6 is placed on the conveying mechanism 2 for conveying. The conveying mechanism 2 transports the cathode assembly 6 to the pre-calibration mechanism 3 for pre-calibration of the conductive rod 61 and the cathode plate 62. Finally, the pre-calibration mechanism 3 transports the cathode assembly 6 to the fine calibration mechanism 4 for final fine calibration.

[0017] In some embodiments, the conveying mechanism 2 includes a first bracket 21, on which a pneumatic push rod 22 is mounted. A connecting rod 23 is provided on the telescopic part of the pneumatic push rod 22. A support plate 24 is provided on the connecting rod 23. A push plate 26 is provided on each side of the support plate 24 on the connecting rod 23. A slide rail 25 is provided on the first bracket 21 below the support plate 24. The slide rail 25 is slidably connected to the connecting rod 23 through a slider. A cylinder 28 is provided on one side of the support plate 24 on the first bracket 21, and a guide wheel 27 is provided on the other side. A limiting plate 29 is provided on the telescopic part of the cylinder 28.

[0018] In some embodiments, the pre-calibration mechanism 3 includes a second bracket 31, on which a first drive motor 32 and a second drive motor 33 are disposed. A first calibration component 34 is disposed on the side of the second bracket 31 near the first drive motor 32, and a second calibration component 35 is disposed on the side of the second bracket 31 located on the side of the first calibration component 34.

[0019] In some embodiments, the first correction component 34 includes a first mounting frame 341, on which a first connecting gear 342 and a second connecting gear 343 are disposed. A first pressure roller group 344 and a second pressure roller group 345 are disposed on the first mounting frame 341 above the first connecting gear 342. The first pressure roller group 344 is connected to the first connecting gear 342 via a sprocket, and the second pressure roller group 345 is connected to the second connecting gear 343 via a sprocket. The first connecting gear 342 and the second connecting gear 343 are both connected to the first drive motor 32 via chains. The rotation direction of the first pressure roller group 344 is opposite to the rotation direction of the second pressure roller group 345. A hydraulic device 346 is disposed on the first mounting frame 341, and the telescopic part of the hydraulic device 346 is connected to the second pressure roller group 345. In some embodiments, the second correction component 35 includes a second mounting frame 351, on which a third connecting gear 352 and a fourth connecting gear 353 are disposed. A third pressure roller group 354 is disposed on the second mounting frame 351 above the first connecting gear 352. The third pressure roller group 354 is connected to the third connecting gear 352 via a sprocket. The third connecting gear 352 and the fourth connecting gear 353 are both connected to the second drive motor 33 via chains. A first gantry frame 356 is disposed on the second mounting frame 351. A set of first lifting devices 357 is disposed on each side of the first gantry frame 356. Each telescopic part of the first lifting device 357 is provided with a movable plate 358. A fourth pressure roller group 355 is disposed on the two movable plates 358. The fourth pressure roller group 355 is connected to the fourth connecting gear 353 via a sprocket. The rotation direction of the third pressure roller group 354 is opposite to the rotation direction of the fourth pressure roller group 355.

[0020] In some embodiments, the fine calibration mechanism 4 includes a third support 41, a third drive motor 42 is disposed on the third support 41, and a third calibration component 43 is disposed on the third support 41.

[0021] In some embodiments, the third correction component 43 includes a third mounting frame 431, a gear set 432 is provided on the third mounting frame 431, a fifth pressure roller set 433 is connected to the gear set 432, the fifth pressure roller set 433 includes an upper part and a lower part, a second gantry frame 434 is provided on the third mounting frame 431, a set of second lifting devices 435 is provided on each side of the second gantry frame 434, the telescopic parts of the two sets of second lifting devices 435 are connected to a movable frame 436, the two sides of the movable frame 436 are connected to the upper part of the fifth pressure roller set 433, and a weight-adding member 437 is provided on the movable frame 436 at a position corresponding to the fifth pressure roller set 433.

[0022] In some embodiments, the rotating mechanism 5 includes a fourth bracket 51, an electric slide rail 52 is mounted on the fourth bracket 51, a moving block 53 is connected to the electric slide rail 52 via a slider, a rotary motor 54 is provided on the moving block 53, and a suction cup frame 58 is connected to the rotary motor 54.

[0023] Working principle: See attached document Figure 3-4 The operator places the cathode assembly 6 onto the pallet 24 of the conveying mechanism 2, then controls the cylinder 28 to retract, causing the limiting plate 29 to move. This pushes the cathode assembly 6 until the conductive rod 61 contacts the guide wheel 27, accommodating cathode assemblies 6 of different sizes. Next, the operator controls the pneumatic push rod 22 to retract, causing the connecting rod 23 to move on the slide rail 25. The connecting rod 23 pushes the cathode assembly 6 via the push plates 26 on both sides, conveying the cathode assembly 6 to the pre-calibration mechanism 3. (See attached diagram.) Figure 5-7After the cathode assembly 6 is conveyed to the pre-calibration mechanism 3, the conductive rod 61 enters the first calibration assembly 34, and the cathode plate 62 enters the second calibration assembly 35. The operator controls the first drive motor 32 and the second drive motor 33 to work. The first drive motor 32 and the second drive motor 33 are of the same specifications, which can ensure the moving speed of the cathode plate 62 and the conductive rod 61 during calibration and avoid pulling between them, which would cause the cathode plate 62 and the conductive rod 61 to tear and fail to calibrate. The first drive motor 32 drives the first connecting gear 342 through the chain. The first connecting gear 342 rotates in the opposite direction to the second connecting gear 343. The first connecting gear 342 then drives the first pressure roller assembly 344. Multiple pressure rollers in the first pressure roller assembly 344 are connected by a transmission chain to ensure that the multiple pressure rollers rotate in the same direction. Similarly, the second connecting gear 34 drives the second pressure roller assembly 345. Multiple pressure rollers in the second pressure roller assembly 345 rotate in the same direction, but in the opposite direction to the rotation of the pressure rollers in the first pressure roller assembly 344, thus enabling the conveying of the conductive rod 61. The operator controls the distance between the second pressure roller assembly 345 and the first pressure roller assembly 344 via the hydraulic device 346, thereby adjusting the bending amount of the conductive rod 61 according to its deformation. Simultaneously, the second drive motor 33 drives the third connecting gear 352 and the fourth connecting gear 353 via a chain. The third connecting gear 352 and the fourth connecting gear 353 rotate in opposite directions to ensure the conveying of the cathode plate 62. The third connecting gear 352 and the fourth connecting gear 353 respectively drive the third pressure roller assembly 354 and the fourth pressure roller assembly. The rotation of component 355 operates on the same principle as the first pressure roller assembly 344 and the second pressure roller assembly 345, thus jointly completing the correction of the cathode assembly 6. The operator can control the lifting and lowering of the first lifting device 357 and the adjusting moving plate 358, thereby changing the distance between the fourth pressure roller assembly 355 and the third pressure roller assembly 354, and thus adjusting the bending amount of the cathode plate 62. This achieves overall pre-correction of the cathode assembly 6, ensuring the overall verticality of the cathode assembly 6. The pre-corrected cathode assembly 6 is then conveyed to the fine correction mechanism 4. (See attached diagram.) Figure 8-10 After the cathode assembly 6 enters the precision calibration mechanism 4, the operator controls the third drive motor 42 to rotate. The third drive motor 42 drives the gear set 432 to rotate via a chain, thereby causing the fifth pressure roller set 433 to calibrate and transport the cathode assembly 6. During calibration, the operator controls the second lifting device 435 to move the moving frame 436 downward. Then, the moving frame 436 moves the weight-adding component 437 downward to press down on the upper part of the fifth pressure roller set 433, thereby ensuring that the upper part of the fifth pressure roller set 433 presses vertically on the cathode plate 62, achieving the calibration of the cathode plate 62. (See attached diagram) Figure 11The cathode assembly 6 is then conveyed to the rotating mechanism 5. The operator controls the rotating mechanism 5 to fix the cathode assembly 6 in place using the suction cup frame 58. Next, the operator controls the electric slide rail 52 to move the moving block 53 away from the precision calibration mechanism 4, ensuring that the cathode assembly 6 has unrestricted movement space. Then, the operator controls the rotary motor 54 to rotate the suction cup frame 58, so that the cathode plate 62 of the cathode assembly 6 faces the precision calibration mechanism 4 and the conductive rod 61 moves away from the precision calibration mechanism 4. After that, the operator controls the electric slide rail 52 to move the moving block 53 towards the precision calibration mechanism 4 until the cathode plate 62 is conveyed into the precision calibration mechanism 4, allowing the precision calibration mechanism 4 to recalibrate the cathode plate 62, that is, the cathode plate 62 is calibrated longitudinally and laterally, thereby correcting the relative perpendicularity between the cathode plate 62 and the conductive rod 61, completing the precision calibration. Finally, the cathode assembly 6 is fixed by the suction cup frame 58 in the rotating mechanism 5 and the cathode assembly 6 is conveyed out of the device to complete the unloading, thus completing the calibration of the cathode assembly 6.

[0024] A method for composite correction of cathode plate and conductive rod, using the above-mentioned device, is characterized by comprising the following steps: a. Place the cathode assembly 6 onto the conveying mechanism 1, use the conveying mechanism 1 to position and guide the cathode assembly 6, and then convey it to the pre-calibration mechanism 3. b. Set the corresponding curvature in the pre-calibration mechanism 3, and then pre-calibrate the cathode plate 62 and conductive rod 61 of the cathode assembly 6 respectively, so that the cathode assembly 6 is vertical and does not warp, and then transport the cathode assembly 6 to the fine calibration mechanism 4. c. The fine calibration mechanism 4 performs fine calibration on the cathode assembly 6 that has completed the pre-calibration, so that the cathode plate 62 and the conductive rod 61 are perpendicular to each other, and then the cathode assembly 6 is transported to the rotating mechanism 5. d. The rotating mechanism 5 rotates the conductive rod 61 of the cathode assembly 6 to a position away from the fine calibration mechanism 4, so that the cathode plate 62 is close to the fine calibration mechanism 4, and then the cathode plate 62 is transported into the fine calibration mechanism 5. e. Finally, the fine calibration mechanism 4 calibrates the cathode plate 62 again, so that the cathode plate 62 is calibrated in both the horizontal and vertical directions, and then the cathode plate 62 is transported to the rotating mechanism 5 to complete the calibration of the cathode assembly 6.

[0025] This specific embodiment is merely an explanation of the present invention and is not intended to limit the invention. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A cathode plate-conductive rod composite correction device, characterized in that: It includes a housing (1) and a cathode assembly (6). The housing (1) is provided with a pre-calibration mechanism (3) and a fine calibration mechanism (4). The housing (1) is provided with a conveying mechanism (2) on one side near the pre-calibration mechanism (3) and a rotating mechanism (5) on the other side. The cathode assembly (6) includes a cathode plate (62) and a conductive rod (61). The cathode assembly (6) is placed on the conveying mechanism (2) for conveying. The cathode assembly (6) is conveyed to the pre-calibration mechanism (3) through the conveying mechanism (2) for pre-calibration of the conductive rod (61) and the cathode plate (62). Finally, the cathode assembly (6) is conveyed to the fine calibration mechanism (4) through the pre-calibration mechanism (3) for final fine calibration.

2. The cathode plate-conductive rod composite correction device according to claim 1, characterized in that: The conveying mechanism (2) includes a first bracket (21), on which a pneumatic push rod (22) is mounted. A connecting rod (23) is provided on the telescopic part of the pneumatic push rod (22). A pallet (24) is provided on the connecting rod (23). A push plate (26) is provided on each side of the pallet (24) on the connecting rod (23). A slide rail (25) is provided on the first bracket (21) below the pallet (24). The slide rail (25) is slidably connected to the connecting rod (23) by a slider. A cylinder (28) is provided on one side of the pallet (24) on the first bracket (21), and a guide wheel (27) is provided on the other side. A limiting plate (29) is provided on the telescopic part of the cylinder (28).

3. The cathode plate-conductive rod composite correction device according to claim 1, characterized in that: The pre-calibration mechanism (3) includes a second bracket (31), on which a first drive motor (32) and a second drive motor (33) are provided. On the side of the second bracket (31) near the first drive motor (32), a first calibration component (34) is provided. On the side of the second bracket (31) located on the first calibration component (34), a second calibration component (35) is provided.

4. The cathode plate conductive rod composite correction device according to claim 3, characterized in that: The first correction component (34) includes a first mounting frame (341), on which a first connecting gear (342) and a second connecting gear (343) are provided. On the first mounting frame (341), above the first connecting gear (342), a first pressure roller group (344) and a second pressure roller group (345) are provided. The first pressure roller group (344) is connected to the first connecting gear (342) via a sprocket. The second pressure roller group (345) is connected to the second connecting gear (343) via a sprocket. The first connecting gear (342) and the second connecting gear (343) are both connected to the first drive motor (32) via a chain. The rotation direction of the first pressure roller group (344) is opposite to the rotation direction of the second pressure roller group (345). A hydraulic device (346) is provided on the first mounting frame (341). The telescopic part of the hydraulic device (346) is connected to the second pressure roller group (345).

5. The cathode plate conductive rod composite correction device according to claim 3, characterized in that: The second correction assembly (35) includes a second mounting bracket (351), on which a third connecting gear (352) and a fourth connecting gear (353) are disposed. A third pressure roller group (354) is disposed on the second mounting bracket (351) above the first connecting gear (352). The third pressure roller group (354) is connected to the third connecting gear (352) via a sprocket. The third connecting gear (352) and the fourth connecting gear (353) are both connected to the second drive motor (33) via chains. The second mounting frame (351) is provided with a first gantry frame (356). A set of first lifting devices (357) is provided on each side of the first gantry frame (356). Each set of first lifting devices (357) has a movable plate (358) on its telescopic part. A fourth pressure roller group (355) is provided on the two movable plates (358). The fourth pressure roller group (355) is connected to the fourth connecting gear (353) through a sprocket. The rotation direction of the third pressure roller group (354) is opposite to the rotation direction of the fourth pressure roller group (355).

6. The cathode plate conductive rod composite correction device according to claim 1, characterized in that: The fine calibration mechanism (4) includes a third bracket (41), a third drive motor (42) is provided on the third bracket (41), and a third calibration component (43) is provided on the third bracket (41).

7. The cathode plate conductive rod composite correction device according to claim 6, characterized in that: The third correction component (43) includes a third mounting frame (431), on which a gear set (432) is provided. A fifth pressure roller set (433) is connected to the gear set (432). The fifth pressure roller set (433) includes an upper part and a lower part. A second gantry frame (434) is provided on the third mounting frame (431). A set of second lifting devices (435) is provided on each side of the second gantry frame (434). The telescopic parts of the two sets of second lifting devices (435) are connected to a movable frame (436). The two sides of the movable frame (436) are connected to the upper part of the fifth pressure roller set (433). A weight-adding component (437) is provided on the movable frame (436) at a position corresponding to the fifth pressure roller set (433).

8. The cathode plate conductive rod composite correction device according to claim 1, characterized in that: The rotating mechanism (5) includes a fourth bracket (51), on which an electric slide rail (52) is mounted. The electric slide rail (52) is connected to a moving block (53) via a slider. A rotary motor (54) is provided on the moving block (53). A suction cup frame (58) is connected to the rotary motor (54).

9. A method for composite correction of cathode plate conductive rods, applied to the cathode plate conductive rod composite correction device according to any one of claims 1-8, characterized in that, Includes the following steps: a. Place the cathode assembly (6) onto the conveying mechanism (2), use the conveying mechanism (2) to position and guide the cathode assembly (6), and then convey it to the pre-calibration mechanism (3); b. Set the corresponding curvature in the pre-calibration mechanism (3), and then pre-calibrate the cathode plate (62) and conductive rod (61) of the cathode assembly (6) respectively, so that the cathode assembly (6) is vertical and does not warp. Then, the cathode assembly (6) is transported to the fine calibration mechanism (4). c. The fine calibration mechanism (4) performs fine calibration on the cathode assembly (6) after pre-calibration, so that the cathode plate (62) and the conductive rod (61) are perpendicular to each other, and then the cathode assembly (6) is transported to the rotating mechanism (5). d. The rotating mechanism (5) rotates the conductive rod (61) of the cathode assembly (6) to a position away from the fine calibration mechanism (4), so that the cathode plate (62) is close to the fine calibration mechanism (4), and then the cathode plate (62) is transported to the fine calibration mechanism (5). e. Finally, the fine calibration mechanism (4) calibrates the cathode plate (62) again, so that the cathode plate (62) is calibrated in both the horizontal and vertical directions, and then the cathode plate (62) is transported to the rotating mechanism (5) to complete the calibration of the cathode assembly (6).

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