Calendering device and method for processing lithium battery copper foil
By introducing heating and cooling functions into the rolling mill, the deformation problem of lithium battery copper foil under different environments was solved, and the rolling quality and regularity were improved.
Patent Information
- Application Number
- CN202511775850.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2026-01-23
AI Technical Summary
Existing rolling equipment has poor deformation ability of lithium battery copper foil in low-temperature environments, resulting in irregular rolling. In high-temperature environments, the lithium battery copper foil is prone to deformation due to high temperature, which affects the rolling quality.
The design employs a combination of support frame, guide roller, calendering assembly, drive assembly, and cutting assembly. The surface of the lithium battery copper foil is heated by heating roller, calendered by upper and lower calendering rollers, and cooled by a fan. The cutting assembly removes irregular edges to ensure that no deformation occurs during the winding process.
This improves the deformation capability and rolling regularity of lithium battery copper foil, avoids deformation during the winding process, and enhances rolling quality.
Smart Images

Figure CN121373064A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of lithium battery copper foil processing, in particular to a calendering device and method for lithium battery copper foil processing. BACKGROUND
[0002] Lithium battery copper foil is an important raw material in the production process of lithium batteries, and its quality directly affects the performance and service life of lithium batteries. The calendering device is a device that flattens and stretches the raw material to be calendered through the gap between two horizontally arranged and relatively rotating rollers.
[0003] The existing calendering device transports the lithium battery copper foil through the guide roller and calenders it through two calendering rollers. However, when in a low-temperature environment, the temperature of the lithium battery copper foil is low, and the ability of the lithium battery copper foil to deform is poor, which can easily cause irregular calendering. In addition, when working in a high-temperature environment, the temperature of the calendered lithium battery copper foil is high, and it is easy to deform during the winding process, which also affects the calendering quality of the lithium battery copper foil. SUMMARY
[0004] The present application discloses a calendering device and method for lithium battery copper foil processing, which aims to solve the technical problem of poor ability of lithium battery copper foil to deform in a low-temperature environment, easy to appear irregular calendering, high temperature of calendered lithium battery copper foil in a high-temperature environment, easy to deform during the winding process, and affect the calendering quality of lithium battery copper foil.
[0005] In order to achieve the above purpose, the present application adopts the following technical scheme: A calendering device for lithium battery copper foil processing, comprising a support frame, a guide roller one is rotatably arranged on the support frame, a lithium battery copper foil is slidably arranged on the surface of the guide roller one, a calendering assembly is arranged on the support frame, the calendering assembly comprises an upper calendering roller and a lower calendering roller, the upper calendering roller and the lower calendering roller are both rotatably arranged on the support frame, the lithium battery copper foil is slidably arranged between the upper calendering roller and the lower calendering roller, a driving assembly is arranged on the support frame, a support one is fixedly connected to the outer wall of the side of the support frame away from the guide roller one, an installation frame is arranged on the side of the support frame away from the guide roller one, and a cutting assembly is arranged on the installation frame.
[0006] Through setting up the support frame, the guide roller one, the lithium electric copper foil, the calender assembly, the driving assembly, the support one, the mounting frame and the cutting assembly, the driving assembly drives multiple rollers to rotate synchronously, realizes the guidance of the lithium electric copper foil, the surface of the lithium electric copper foil is heated through the calender assembly, improves the deformation ability of the lithium electric copper foil, improves the regularity of the lithium electric copper foil after calendering, cools the lithium electric copper foil after calendering, avoids the deformation of the lithium electric copper foil in the winding process, improves the calendering quality of the lithium electric copper foil, cuts off the irregular edge of the lithium electric copper foil on both sides through the cutting assembly after calendering, completes the winding operation of the lithium electric copper foil, and the cutting assembly is used to press the lithium electric copper foil, and then the lithium electric copper foil is cut, so that the deformation of the lithium electric copper foil during cutting is avoided, and the quality of the lithium electric copper foil is guaranteed.
[0007] In a preferred scheme, the calender assembly includes an upper heating roller and a lower heating roller, the upper heating roller is arranged above the lower heating roller, the lithium electric copper foil is slidably arranged between the upper heating roller and the lower heating roller, the upper heating roller and the lower heating roller are both rotatably arranged on the support frame, and the inner part of the upper heating roller and the lower heating roller is fixedly installed with an electric heater, the outer side of the electric heater is provided with an annular oil tank, the inner part of the annular oil tank is filled with heat conducting oil, the inner wall and the outer wall of the annular oil tank are both fixedly installed with heat conducting fins, and the outer side heat conducting fins are fixedly connected to the inner wall of the upper heating roller and the lower heating roller; the inner wall of the support one is fixedly installed with a guide rod one, the guide rod one is arranged above the lithium electric copper foil, the both ends of the guide rod one are both fixedly connected with a limiting ring, and the surface of the guide rod one is slidably provided with a moving seat one, the bottom surface of the moving seat one is fixedly connected with a fan holder, and the inner part of the fan holder is installed with a fan; the outer wall of the moving seat one is fixedly connected with a guide rod two, the surface of the guide rod two is slidably provided with a movable seat two, the bottom surface of the movable seat two is fixedly connected with a fixed rod, the surface of the fixed rod is rotatably provided with a steering sleeve, the outer wall of the steering sleeve is fixedly installed with a guide rod three, the bottom surface of the support one is fixedly installed with a driving motor one, the power output shaft of the driving motor one is drivingly connected with a movable seat one through a shaft coupling, the movable seat one is slidably arranged on the surface of the guide rod three, the outer side of the guide rod three is sleeved with a spring one, one end of the spring one is fixedly connected to the outer wall of the steering sleeve, and the other end of the spring one away from the steering sleeve is fixedly connected to the outer wall of the movable seat one.
[0008] Through setting up the calender assembly, the surface of the lithium electric copper foil is heated by the upper heating roller, and then the lithium electric copper foil is calendered by the upper calender roller and the lower calender roller, the driving motor one is started to realize the reciprocating motion of the fan, the surface of the lithium electric copper foil is uniformly cooled by the fan, and the calendering operation of the lithium electric copper foil is completed.
[0009] In a preferred scheme, the driving assembly comprises a driving motor two, the driving motor two is fixedly installed on the outer wall of the support frame, and the power output shaft of the driving motor two is drivingly connected with a gear one through a shaft coupling, the gear one is fixedly connected with one end of the lower calender roller, the surface of the gear one is engaged with a gear two, the gear two is fixedly connected with one end of the upper calender roller, one end of the gear two away from the upper calender roller is fixedly connected with a linkage wheel one, one end of the upper heating roller close to the gear two is fixedly connected with a gear three, one end of the gear three away from the upper heating roller is fixedly connected with a linkage wheel two, the surface of the linkage wheel one and the linkage wheel two is engaged with a same belt one; one end of the lower heating roller close to the gear three is fixedly connected with a gear four, the gear three and the gear four are engaged, one end of the gear four away from the lower heating roller is fixedly connected with a linkage wheel three, one end of the guide roller one close to the gear four is fixedly connected with a linkage wheel four, the surface of the linkage wheel three and the linkage wheel four is engaged with a same belt two.
[0010] By setting the driving assembly, during the calendering operation, the driving motor two is started to drive the upper calender roller and the lower calender roller to rotate at the same time, the upper heating roller and the lower heating roller rotate at the same time, the guide roller one rotates to drive the lithium battery copper foil to be conveyed along the surface of the guide roller one to the space between the upper heating roller and the lower heating roller, and then to the space between the upper calender roller and the lower calender roller for the calendering operation.
[0011] In a preferred scheme, the cutting assembly comprises a support two, the support two is fixedly connected with one end of the outer wall of the mounting frame, a double-shaft motor is fixedly installed in the inner middle end of the support two, the two power output shafts of the double-shaft motor are drivingly connected with a connecting shaft through a shaft coupling, one end of the connecting shaft away from the double-shaft motor is fixedly connected with a lead screw, the surface of the two lead screws is threadedly connected with a moving seat two, the outer wall of the two moving seat two away from each other is fixedly installed with a driving motor three, the power output shaft of the driving motor three is drivingly connected with a disc-shaped cutter through a shaft coupling; a plurality of arrayed guide rollers two are rotatably arranged in the inner part of the mounting frame, a pneumatic cylinder one is fixedly installed on the middle part of the top surface of the two ends of the mounting frame, the output end of the pneumatic cylinder one is fixedly connected with a fixed plate, the bottom surface of the two ends of the fixed plate is fixedly connected with a positioning rod, the surface of the positioning rod is slidingly provided with a pressing disc, the pressing disc is arranged above the lithium battery copper foil, the outer side of the positioning rod is sleeved with a spring two, the top end of the spring two is fixedly connected with the bottom surface of the fixed plate, and the bottom end of the spring two is fixedly connected with the top surface of the pressing disc; a pneumatic cylinder two is fixedly installed on the middle part of the top surface of the end of the mounting frame away from the support two, the output end of the pneumatic cylinder two is fixedly connected with a cutting knife, and the cutting knife is arranged above the lithium battery copper foil.
[0012] By setting up the cutting assembly, the dual-shaft motor is started to adjust the spacing of the two disc-shaped cutters, after the calendering operation is completed, the driving motor three is started to cut the irregular edges of the lithium copper foil on both sides, without subsequent cutting operation, facilitating subsequent use, after the winding operation is completed, the stretching adjusting cylinder one is stretched to make the pressing disc abut against the surface of the lithium copper foil, the stretching adjusting cylinder two is stretched to cut the lithium copper foil by the cutting knife, avoiding wrinkles of the unwound part of the lithium copper foil due to the change of tension after cutting, and ensuring the quality of the subsequent lithium copper foil.
[0013] A calendering method for lithium copper foil processing, using a calendering device for lithium copper foil processing as described above, comprising the following steps: Step one, start the driving motor two, the lithium copper foil is conveyed to between the upper heating roller and the lower heating roller along the guide roller one, the heat conducting oil in the annular oil tank is heated by the electric heater, and the heat is conducted to the upper heating roller by the heat conducting sheet to heat the surface of the lithium copper foil; Step two, the heated lithium copper foil is conveyed between the upper calendering roller and the lower calendering roller, and the lithium copper foil is calendered by the upper calendering roller and the lower calendering roller; Step three, start the driving motor one to make the movable seat two slide along the surface of the guide rod two, drive the moving seat one to move along the surface of the guide rod one, and make the fan uniformly cool the surface of the lithium copper foil by sliding along the inside of the movable seat one, to complete the calendering operation of the lithium copper foil.
[0014] As can be seen from the above, the calendering device for lithium copper foil processing has the technical effects of heating the surface of the lithium copper foil, improving its deformation ability, then improving its regularity after calendering, cooling it after calendering to avoid deformation during winding, improving the calendering quality, and cutting the irregular edges of the lithium copper foil. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The figure is a schematic diagram of the overall structure of the calendering device for lithium copper foil processing.
[0016] Figure 2 The figure is a structure side view of the driving assembly of the calendering device for lithium copper foil processing.
[0017] Figure 3 The figure is a side view of the upper heating roller of the calendering device for lithium copper foil processing.
[0018] Figure 4 The figure is a side view of the support frame of the calendering device for lithium copper foil processing.
[0019] Figure 5A fan at the top view structure view of a calendering device for lithium battery copper foil processing is provided.
[0020] Figure 6 A cutting assembly structure side view of a calendering device for lithium battery copper foil processing is provided.
[0021] Figure 7 A guide roller two side structure section view of a calendering device for lithium battery copper foil processing is provided.
[0022] In the figure: 1, support frame; 2, guide roller one; 3, lithium battery copper foil; 4, calendering assembly; 401, upper heating roller; 402, lower heating roller; 403, electric heater; 404, annular oil tank; 405, heat conducting sheet; 406, upper calendering roller; 407, lower calendering roller; 408, driving motor one; 409, movable seat one; 410, guide rod one; 411, limit ring; 412, moving seat one; 413, fan frame; 414, fan; 415, guide rod two; 416, movable seat two; 417, fixed rod; 418, steering sleeve; 419, guide rod three; 420, spring one; 5, driving assembly; 501, driving motor two; 502, gear one; 503, gear two; 504, linkage wheel one; 505, gear three; 506, linkage wheel two; 507, belt one; 508, gear four; 509, linkage wheel three; 510, linkage wheel four; 511, belt two; 6, support one; 7, mounting frame; 8, cutting assembly; 801, support two; 802, double-shaft motor; 803, connecting shaft; 804, lead screw; 805, moving seat two; 806, driving motor three; 807, disc-shaped cutter; 808, guide rod four; 809, guide roller two; 810, air cylinder one; 811, fixed plate; 812, positioning rod; 813, compression disc; 814, spring two; 815, air cylinder two; 816, cutting knife. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.
[0024] The calendering device for lithium battery copper foil processing disclosed in the present application is mainly applied to the scene that the lithium battery copper foil has poor deformation ability in low temperature environment and is prone to irregular calendering, the temperature of the calendered lithium battery copper foil is high in high temperature environment, and the lithium battery copper foil is prone to deformation in the winding process, thereby affecting the calendering quality of the lithium battery copper foil.
[0025] REFERENCE Figures 1-7The utility model provides a kind of calendering device for lithium battery copper foil processing, including support frame 1, guide roller one 2 is rotationally arranged on support frame 1, the surface of guide roller one 2 is slidably provided with lithium battery copper foil 3, calendering assembly 4 is provided on support frame 1, and calendering assembly 4 includes upper calendering roller 406 and lower calendering roller 407, and upper calendering roller 406 and lower calendering roller 407 are rotationally arranged on support frame 1, and lithium battery copper foil 3 is slidably arranged between upper calendering roller 406 and lower calendering roller 407, drive assembly 5 is provided on support frame 1, and support frame 1 is fixedly connected with bracket one 6 on the outer wall of side away from guide roller one 2, and mounting rack 7 is provided on the side away from guide roller one 2 of support frame 1, and cutting assembly 8 is provided on mounting rack 7.
[0026] Specifically, the plurality of rollers are driven to rotate synchronously by the drive assembly 5 to realize the guided conveying of the lithium battery copper foil 3, the surface of the lithium battery copper foil 3 is heated by the calendering assembly 4 to improve the deformation ability of the lithium battery copper foil 3 and the regularity of the lithium battery copper foil 3 after calendering, the lithium battery copper foil 3 after heating is conveyed between the upper calendering roller 406 and the lower calendering roller 407, the lithium battery copper foil 3 is calendered by the upper calendering roller 406 and the lower calendering roller 407, the lithium battery copper foil 3 is cooled after calendering to avoid deformation of the lithium battery copper foil 3 during winding, improve the calendering quality of the lithium battery copper foil 3, the irregular edges of the lithium battery copper foil 3 on both sides are cut off by the cutting assembly 8 after calendering, the winding operation of the lithium battery copper foil 3 is completed, the lithium battery copper foil 3 is compressed by the cutting assembly 8, the tension of the lithium battery copper foil 3 is adjusted, and then the lithium battery copper foil 3 is cut to avoid deformation of the lithium battery copper foil 3 during cutting and ensure the quality of the lithium battery copper foil 3.
[0027] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5In a preferred embodiment, the calender assembly 4 comprises an upper heating roller 401 and a lower heating roller 402, the upper heating roller 401 is arranged above the lower heating roller 402, the lithium battery copper foil 3 is arranged between the upper heating roller 401 and the lower heating roller 402, the upper heating roller 401 and the lower heating roller 402 are both rotatably arranged on the support frame 1, and the inside of the upper heating roller 401 and the lower heating roller 402 is fixedly installed with an electric heater 403, the outside of the electric heater 403 is provided with an annular oil tank 404, the inside of the annular oil tank 404 is filled with heat conducting oil, the inner wall and the outer wall of the annular oil tank 404 are both fixedly installed with heat conducting fins 405, and the outer heat conducting fins 405 are fixedly connected to the inner wall of the upper heating roller 401 and the lower heating roller 402; the inner wall of the support frame 6 is fixedly installed with a guide rod 410, the guide rod 410 is arranged above the lithium battery copper foil 3, both ends of the guide rod 410 are fixedly connected with a limiting ring 411, the surface of the guide rod 410 is slidably provided with a moving seat 412, the bottom surface of the moving seat 412 is fixedly connected with a fan frame 413, and the inside of the fan frame 413 is installed with a fan 414; the outer wall of the moving seat 412 is fixedly connected with a guide rod 415, the surface of the guide rod 415 is slidably provided with a movable seat 416, the bottom surface of the movable seat 416 is fixedly connected with a fixed rod 417, the surface of the fixed rod 417 is rotatably provided with a steering sleeve 418, the outer wall of the steering sleeve 418 is fixedly installed with a guide rod 419, the bottom surface of the support frame 6 is fixedly installed with a driving motor 408, the power output shaft of the driving motor 408 is drivingly connected with a movable seat 409 through a shaft coupling, the movable seat 409 is slidably arranged on the surface of the guide rod 419, the outer side of the guide rod 419 is sleeved with a spring 420, one end of the spring 420 is fixedly connected to the outer wall of the steering sleeve 418, and the end of the spring 420 away from the steering sleeve 418 is fixedly connected to the outer wall of the movable seat 409.
[0028] Specific, lithium copper foil 3 along the guide roller one 2 to the upper heating roller 401 and lower heating roller 402 between, through the electric heater 403 to the heat conducting oil in the annular oil tank 404 heating, through the heat conduction sheet 405 to the heat conduction of the upper heating roller 401, the surface of the lithium copper foil 3 is heated by the upper heating roller 401, the lithium copper foil 3 after heating is delivered to the upper calender roller 406 and lower calender roller 407 between, using the upper calender roller 406 and lower calender roller 407 on the lithium copper foil 3 is calendered, start drive motor one 408 makes the movable seat one 409 drive steering sleeve 418 rotation, make movable seat two 416 along the surface of guide rod two 415 sliding, when movable seat two 416 and mobile seat one 412 outer wall after the abutment, mobile seat one 412 along the surface of guide rod one 410 moves, fan 414 along the upper of lithium copper foil 3 moves, at the same time, guide rod three 419 along the inside of movable seat one 409 sliding, when the displacement distance of mobile seat one 412 reaches the maximum, movable seat two 416 and guide rod two 415 away from the abutment of mobile seat one 412 one end, at the same time, mobile seat one 412 moves reversely, realize the reciprocating motion of fan 414, fan 414 on the surface of lithium copper foil 3 is uniformly cooled, complete the calendering operation of lithium copper foil 3.
[0029] With reference to Figure 1 , Figure 2 , Figure 3 and Figure 4 , in a preferred embodiment, the driving assembly 5 includes drive motor two 501, drive motor two 501 is fixedly installed on the outer wall of the support frame 1, and the power output shaft of drive motor two 501 is connected with gear one 502 through the shaft coupling transmission, gear one 502 is fixedly connected at one end of lower calender roller 407, the surface of gear one 502 is engaged with gear two 503, gear two 503 is fixedly connected at one end of upper calender roller 406, gear two 503 is fixedly connected with linkage wheel one 504 at one end away from the upper calender roller 406, the end of the upper heating roller 401 close to the gear two 503 is fixedly connected with gear three 505, gear three 505 is fixedly connected with linkage wheel two 506 at one end away from the upper heating roller 401, the surface of linkage wheel one 504 and linkage wheel two 506 is engaged with the same belt one 507; the end of the lower heating roller 402 close to the gear three 505 is fixedly connected with gear four 508, gear three 505 and gear four 508 are engaged, gear four 508 is fixedly connected with linkage wheel three 509 at one end away from the lower heating roller 402, the end of the guide roller one 2 close to the gear four 508 is fixedly connected with linkage wheel four 510, the surface of linkage wheel three 509 and linkage wheel four 510 is engaged with the same belt two 511.
[0030] Specifically, during the calendering operation, the driving motor two 501 is started to rotate the gear one 502, the gear one 502 is engaged with the gear two 503 to drive the upper calendering roller 406 and the lower calendering roller 407 to rotate simultaneously, the gear two 503 drives the linkage wheel one 504 to rotate, the linkage wheel one 504 and the linkage wheel two 506 are engaged with the belt one 507 to rotate the gear three 505, the gear three 505 is engaged with the gear four 508 to drive the upper heating roller 401 and the lower heating roller 402 to rotate simultaneously, the gear four 508 drives the linkage wheel three 509 to rotate, the linkage wheel three 509 and the linkage wheel four 510 are engaged with the belt two 511 to drive the guide roller one 2 to rotate, and then the lithium battery copper foil 3 is conveyed along the surface of the guide roller one 2 to the space between the upper heating roller 401 and the lower heating roller 402, and then to the space between the upper calendering roller 406 and the lower calendering roller 407 for the calendering operation.
[0031] Referring to Figure 1 , Figure 6 and Figure 7 In a preferred embodiment, the cutting assembly 8 comprises a bracket two 801 fixedly connected to one end of the outer wall of the mounting frame 7, a double-shaft motor 802 fixedly installed at the inner middle end of the bracket two 801, a connecting shaft 803 drivingly connected to the two power output shafts of the double-shaft motor 802 through a shaft coupling, a lead screw 804 fixedly connected to one end of the connecting shaft 803 away from the double-shaft motor 802, two moving seats two 805 threadedly connected to the surfaces of the two lead screws 804, guide rods four 808 fixedly connected to the outer walls on both sides of the bracket two 801 and the outer wall of the mounting frame 7, the moving seats two 805 slidingly arranged on the surfaces of the guide rods four 808, a driving motor three 806 fixedly installed on one side of the outer wall of each moving seat two 805 away from each other, and a disc-shaped cutter 807 drivingly connected to the power output shaft of the driving motor three 806 through a shaft coupling; a plurality of arrayed guide rollers two 809 rotatably arranged in the inner portion of the mounting frame 7, air cylinders one 810 fixedly installed at the middle portions of the top surfaces of both ends of the mounting frame 7, a fixed plate 811 fixedly connected to the output end of each air cylinder one 810, positioning rods 812 fixedly connected to the bottom surface of the fixed plate 811, a pressing disc 813 slidingly arranged on the surface of each positioning rod 812, the pressing disc 813 arranged above the lithium battery copper foil 3, springs two 814 sleeved outside the positioning rods 812, the top ends of the springs two 814 fixedly connected to the bottom surface of the fixed plate 811, and the bottom ends of the springs two 814 fixedly connected to the top surface of the pressing disc 813; air cylinders two 815 fixedly installed at the middle portions of the top surfaces of one end of the mounting frame 7 away from the bracket two 801, and cutting knives 816 fixedly connected to the output ends of the air cylinders two 815, the cutting knives 816 arranged above the lithium battery copper foil 3.
[0032] Specific, according to the width of the lithium battery copper foil 3, start dual shaft motor 802 makes two connecting shaft 803 rotate simultaneously, drive screw 804 rotation, two mobile seat two 805 along the screw 804 moves in opposite directions, adjust the distance between two disc-shaped cutter 807, after completing the calendering operation of lithium battery copper foil 3, start drive motor three 806 makes drive motor three 806 rotate, cut the irregular edge of lithium battery copper foil 3 on both sides, without subsequent use when cutting operation, facilitate subsequent use, complete the calendering of lithium battery copper foil 3 along the surface of the guide roller two 809 to the winding roller, when completing the winding operation, stretch adjustment cylinder one 810, make fixed plate 811 move down, and drive the pressure plate 813 and the surface of lithium battery copper foil 3, adjust the tension of lithium battery copper foil 3, and then stretch adjustment cylinder two 815, cut lithium battery copper foil 3 with cutting knife 816, avoid the part of lithium battery copper foil 3 not winding due to the change of tension after cutting and wrinkle, ensure the quality of subsequent lithium battery copper foil 3.
[0033] It should be noted that the thread structure direction of two screw rods 804 is opposite, when driving dual shaft motor 802, two mobile seat two 805 move in opposite directions.
[0034] A calendering method for lithium battery copper foil processing, using a calendering device for lithium battery copper foil processing as described above, comprising the following steps: Step one, start drive motor two 501, lithium battery copper foil 3 along the guide roller one 2 is transported to the upper heating roller 401 and the lower heating roller 402, heat the heat conducting oil in the annular oil tank 404 through the electric heater 403, and the heat is conducted to the upper heating roller 401 through the heat conducting sheet 405, and the surface of the lithium battery copper foil 3 is heated; Step two, the heated lithium battery copper foil 3 is transported between the upper calendering roller 406 and the lower calendering roller 407, and the lithium battery copper foil 3 is calendered by the upper calendering roller 406 and the lower calendering roller 407; Step three, start drive motor one 408 to make movable seat two 416 slide along the surface of guide rod two 415, drive mobile seat one 412 to move along the surface of guide rod one 410, guide rod three 419 slides along the inside of movable seat one 409, make fan 414 uniformly cool the surface of lithium battery copper foil 3, complete the calendering of lithium battery copper foil 3.
[0035] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A calender device for processing lithium-copper foil, comprising a support frame (1), characterized in that, The support frame (1) is provided with a guide roller one (2), the surface of the guide roller one (2) is slidably provided with a lithium battery copper foil (3), the support frame (1) is provided with a calender assembly (4), the calender assembly (4) comprises an upper calender roller (406) and a lower calender roller (407), the upper calender roller (406) and the lower calender roller (407) are rotatably arranged on the support frame (1), the lithium battery copper foil (3) is slidably arranged between the upper calender roller (406) and the lower calender roller (407), the support frame (1) is provided with a driving assembly (5), and the side wall, away from the guide roller one (2), of the support frame (1) is fixedly connected with a support one (6), the side, away from the guide roller one (2), of the support frame (1) is provided with a mounting bracket (7), and the mounting bracket (7) is provided with a cutting assembly (8); The cutting assembly (8) comprises a support two (801), the support two (801) is fixedly connected to one end of the outer wall of the mounting bracket (7), a double-shaft motor (802) is fixedly installed at the middle end of the inner portion of the support two (801), the two power output shafts of the double-shaft motor (802) are both connected with a connecting shaft rod (803) through a shaft coupling, one end, away from the double-shaft motor (802), of the connecting shaft rod (803) is fixedly connected with a lead screw (804), the surfaces of the two lead screws (804) are both threadedly connected with a moving seat two (805), the outer walls on the two sides of the support two (801) and the outer wall of the mounting bracket (7) are both fixedly connected with a guide rod four (808), the moving seat two (805) is slidably arranged on the surface of the guide rod four (808), and the outer walls, away from each other, of the two moving seat twos (805) are fixedly installed with a driving motor three (806), and the power output shaft of the driving motor three (806) is connected with a disc-shaped cutter (807) through a shaft coupling; A plurality of array distributed guide rollers two (809) are rotatably arranged in the inner portion of the mounting bracket (7), a gas cylinder one (810) is fixedly installed at the middle portion of the top surface of the two ends of the mounting bracket (7), the output end of the gas cylinder one (810) is fixedly connected with a fixed plate (811), the bottom surfaces of the two ends of the fixed plate (811) are both fixedly connected with a positioning rod (812), the surface of the positioning rod (812) is slidably provided with a pressing disc (813), the pressing disc (813) is arranged above the lithium battery copper foil (3), the outer side of the positioning rod (812) is sleeved with a spring two (814), the top end of the spring two (814) is fixedly connected to the bottom surface of the fixed plate (811), and the bottom end of the spring two (814) is fixedly connected to the top surface of the pressing disc (813); The top surface of one end, away from the support two (801), of the mounting bracket (7) is fixedly installed with a gas cylinder two (815), the output end of the gas cylinder two (815) is fixedly connected with a cutting knife (816), and the cutting knife (816) is arranged above the lithium battery copper foil (3).
2. The calendering device for processing lithium-copper foil according to claim 1, wherein The calender assembly (4) comprises an upper heating roller (401) and a lower heating roller (402), the upper heating roller (401) is arranged above the lower heating roller (402), the lithium battery copper foil (3) is arranged between the upper heating roller (401) and the lower heating roller (402) in a sliding mode, the upper heating roller (401) and the lower heating roller (402) are both arranged on the support frame (1) in a rotating mode, and the inner part of the upper heating roller (401) and the lower heating roller (402) is fixedly installed with an electric heater (403), the outer side of the electric heater (403) is provided with an annular oil tank (404), the inner part of the annular oil tank (404) is filled with heat conducting oil, and the inner wall and the outer wall of the annular oil tank (404) are both fixedly installed with heat conducting fins (405), and the outer heat conducting fins (405) are fixedly connected to the inner wall of the upper heating roller (401) and the lower heating roller (402).
3. The calendering device for processing lithium-copper foil according to claim 2, wherein The inner wall of the support frame one (6) is fixedly installed with a guide rod one (410), the guide rod one (410) is arranged above the lithium battery copper foil (3), both ends of the guide rod one (410) are fixedly connected with a limiting ring (411), and the surface of the guide rod one (410) is slidably provided with a moving seat one (412), the bottom surface of the moving seat one (412) is fixedly connected with a fan frame (413), and the inner part of the fan frame (413) is installed with a fan (414).
4. The calendering device for processing lithium-copper foil according to claim 3, wherein The outer wall of the moving seat one (412) is fixedly connected with a guide rod two (415), the surface of the guide rod two (415) is slidably provided with a movable seat two (416), the bottom surface of the movable seat two (416) is fixedly connected with a fixing rod (417), the surface of the fixing rod (417) is rotatably provided with a steering sleeve (418), the outer wall of the steering sleeve (418) is fixedly installed with a guide rod three (419), the bottom surface of the support frame one (6) is fixedly installed with a driving motor one (408), the power output shaft of the driving motor one (408) is drivingly connected with a movable seat one (409) through a coupling, the movable seat one (409) is slidably arranged on the surface of the guide rod three (419), the outer side of the guide rod three (419) is sleeved with a spring one (420), one end of the spring one (420) is fixedly connected to the outer wall of the steering sleeve (418), and the end of the spring one (420) away from the steering sleeve (418) is fixedly connected to the outer wall of the movable seat one (409).
5. The calendering device for processing lithium-copper foil according to claim 4, wherein The drive assembly (5) includes a second drive motor (501), which is fixedly installed on the outer wall of the support frame (1). The power output shaft of the second drive motor (501) is connected to a gear (502) via a coupling. The gear (502) is fixedly connected to one end of the lower calendering roller (407). The surface of the gear (502) is meshed with a gear (503). The gear (503) is fixedly connected to one end of the upper calendering roller (406). The end of the gear (503) away from the upper calendering roller (406) is fixedly connected to a first linkage wheel (504). The end of the upper heating roller (401) near the gear (503) is fixedly connected to a third gear (505). The end of the gear (505) away from the upper heating roller (401) is fixedly connected to a second linkage wheel (506). The surfaces of the first linkage wheel (504) and the second linkage wheel (506) are meshed with the same belt (507).
6. The calendering device for processing lithium battery copper foil according to claim 5, characterized in that, The lower heating roller (402) is fixedly connected to a gear four (508) at one end near the gear three (505). The gear three (505) meshes with the gear four (508). The gear four (508) is fixedly connected to a linkage wheel three (509) at one end away from the lower heating roller (402). The guide roller one (2) is fixedly connected to a linkage wheel four (510) at one end near the gear four (508). The surfaces of the linkage wheel three (509) and the linkage wheel four (510) are meshed with the same belt two (511).
7. A calendering method for lithium battery copper foil processing using the calendering apparatus for lithium battery copper foil processing according to claim 6, characterized by, Includes the following steps: Step 1: Start drive motor 2 (501). The lithium battery copper foil (3) is conveyed along guide roller 1 (2) to the space between the upper heating roller (401) and the lower heating roller (402). The heat transfer oil in the annular oil tank (404) is heated by the electric heater (403). The heat is conducted to the upper heating roller (401) through the heat transfer plate (405) to heat the surface of the lithium battery copper foil (3). Step 2: The heated lithium battery copper foil (3) is conveyed between the upper rolling roller (406) and the lower rolling roller (407) to roll the lithium battery copper foil (3). Step 3: Start the drive motor 1 (408) to make the movable seat 2 (416) slide along the surface of the guide rod 2 (415), drive the movable seat 1 (412) to move along the surface of the guide rod 1 (410), and the guide rod 3 (419) slides along the inside of the movable seat 1 (409), so that the fan (414) can uniformly cool the surface of the lithium battery copper foil (3) and complete the rolling operation of the lithium battery copper foil (3).