Slitting equipment for lithium ion battery pole piece processing

Abstract

The utility model discloses slitting equipment for lithium ion battery pole piece processing. The slitting equipment comprises an equipment body, a plurality of fixing plates symmetrically fixed to the top of the equipment body and slitting adjusting assemblies arranged among the fixing plates. The slitting adjusting assembly comprises fixing frames fixed between the multiple fixing plates, before the battery pole pieces are slit, the adjacent moving frames on one side of a first moving block are made to be close to or far away from each other, then the distance between slitting blades in the adjacent slitting assemblies at the bottom can be adjusted, and the slitting efficiency of the battery pole pieces is improved. Through cooperation of a second servo motor, a threaded rod, a second moving block and a moving plate, the moving plate and a slitting blade on one side of the moving plate can move upwards or downwards in the length direction of the moving frame, the feeding amount of the slitting blade during pole piece slitting can be adjusted, and the slitting efficiency is improved. Therefore, corresponding slitting adjustment can be carried out according to the slitting size required by the pole piece, and the production requirements of lithium batteries with different sizes can be well met.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to a slitting device for processing lithium ion battery pole pieces. Background Art

[0002] As a new type of energy storage power source, lithium-ion battery has the advantages of high energy, high operating voltage, wide operating temperature range, small size, light weight, and long storage life. It has become a new generation of green and environmentally friendly batteries and has quickly become the new favorite in the power market, and is gradually replacing nickel-cadmium and nickel-metal hydride batteries. In the battery production process, since the area of ​​the battery pole is very large, in order to meet the requirements of battery poles of different specifications, the pole pieces need to be cut.

[0003] The Chinese utility model patent with patent number CN217254378U discloses a lithium-ion battery pole piece cutting device. The battery pole piece is placed on the upper end of the device outer box, the driving structure is started, the driving rod rotates, so that the battery pole piece moves, the first electric lifting rod is started to lower the fixed outer tube, so that the cutting knife is lowered, the third driving motor is started, and the cutting knife rotates to cut the battery pole piece. After cutting, the first driving motor is started to rotate the fixed disk, and the grinding sheet is rotated to the side close to the battery pole piece. The second driving motor is started, and the grinding sheet at its output end is rotated, and the grinding sheet is lowered through the first electric lifting rod. The grinding sheet rubs the outer side of the battery pole piece, and the fourth driving motor is started. The fan blades at its output end rotate to form an airflow. The airflow passes through the top groove and enters the guide cover, so that the debris generated by cutting and grinding moves into the storage tube with the airflow, and the debris is intercepted and stored by the dustproof net. The debris is processed by disassembling the storage tube, so that the debris generated by cutting is cleaned more conveniently and quickly.

[0004] Although the device achieves the purpose of cutting the electrode by moving the cutting knife up and down and rotating it, in actual use, the size of the cut electrode directly affects the capacity and performance of the battery. When the electrode needs to be cut into different sizes, the above-mentioned device often cannot well adjust the size when cutting the electrode, thus making it difficult to meet the production needs of lithium batteries of different sizes. Summary of the invention

[0005] The utility model overcomes the shortcomings of the prior art and provides a slitting device for processing lithium ion battery pole pieces.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a slitting device for processing lithium-ion battery pole pieces, comprising: a device body, a plurality of fixed plates symmetrically fixed on the top of the device body, and a slitting adjustment component arranged between the plurality of fixed plates;

[0007] The slitting adjustment assembly comprises: a fixed frame fixed between the plurality of fixed plates, a first servo motor fixed to one side of the fixed plate, and a rotating rod arranged at the output end of the first servo motor; a plurality of first moving blocks are symmetrically arranged on the side of the rotating rod located inside the fixed frame, and a plurality of moving frames are fixed on the side of the plurality of first moving blocks located outside the fixed frame;

[0008] A second servo motor is fixed on the top of the movable frame, a threaded rod is provided at the output end of the second servo motor, a second movable block is threadedly connected to the side of the threaded rod located inside the movable frame, a movable plate is fixed to one side of the second movable block located outside the movable frame, and a cutting component for cutting during pole piece processing is provided on one side of the movable plate.

[0009] In a preferred embodiment of the utility model, the side of the rotating rod is provided with threads in opposite directions, the inner sides of the first movable blocks are threadedly connected to the side of the rotating rod, the side surfaces of the rotating rod near the two ends are rotatably connected to the inner side of the fixed frame through bearings, and the side surfaces of the threaded rod near the two ends are rotatably connected to the inner side of the movable frame through the bearings.

[0010] In a preferred embodiment of the utility model, a plurality of first sliding grooves are symmetrically provided on one side of the fixed frame, the inner sides of the first sliding grooves are slidably connected to the side surfaces of the first movable block, and a second sliding groove is provided on one side of the movable frame, the inner sides of the second sliding grooves are slidably connected to the side surfaces of the second movable block.

[0011] In a preferred embodiment of the utility model, the fixed frame is provided with a first scale on one side of the first slide slot, and the movable frame is provided with a second scale on one side of the second slide slot.

[0012] In a preferred embodiment of the utility model, the slitting assembly includes: a first support frame fixed to one side of the movable plate, a third servo motor fixed to the inner side of the first support frame, and a slitting blade arranged at the output end of the third servo motor.

[0013] In a preferred embodiment of the utility model, the side edge of the slitting blade facing the adjacent slitting blade is flush with the side edge of the moving frame facing the adjacent moving frame.

[0014] In a preferred embodiment of the utility model, a conveying assembly is provided on the inner side of the equipment body, and the conveying assembly includes: a plurality of conveying rollers rotatably connected to the inner side of the equipment body, a second support frame fixed to the bottom of the inner side of the equipment body, and a fourth servo motor fixed to the inner side of the second support frame; an active synchronous pulley is provided at the output end of the fourth servo motor, a first driven synchronous pulley is fixed to the side of the conveying roller, and a first toothed belt is meshed on the side of the active synchronous pulley and the first driven synchronous pulley.

[0015] In a preferred embodiment of the utility model, a plurality of second driven synchronous belt wheels are fixed to the side surfaces of a plurality of the conveying rollers, and a second toothed belt is meshed with the side surfaces of the adjacent second driven synchronous belt wheels.

[0016] In a preferred embodiment of the utility model, a contact plate is provided between the conveying roller and the equipment body and between adjacent conveying rollers, a support plate is fixed to the bottom of the contact plate, and the bottom of the support plate is fixed to the inner side of the equipment body.

[0017] In a preferred embodiment of the utility model, a plurality of supporting legs are fixed to the bottom of the device body, and anti-slip pads are arranged at the bottom of the supporting legs.

[0018] The utility model solves the defects existing in the background technology, and has the following beneficial effects:

[0019] (1) The utility model provides a slitting device for processing lithium-ion battery pole pieces. By setting a slitting adjustment component between a plurality of fixed plates, before slitting the battery pole pieces, the first servo motor, the rotating rod, the first moving block and the opposite direction threads set on the side of the rotating rod cooperate to make the adjacent moving frames on one side of the first moving block approach or move away from each other, so as to adjust the distance between the slitting blades in the adjacent slitting components at the bottom, and the second servo motor, the threaded rod, the second moving block and the moving plate cooperate to make the moving plate and the slitting blade on one side of the moving plate move upward or downward along the length direction of the moving frame, so as to adjust the feed amount of the slitting blade when slitting the pole piece, so as to make the corresponding slitting adjustment according to the required slitting size of the pole piece, so as to better meet the production requirements of lithium batteries of different sizes.

[0020] (2) In the utility model, by arranging a conveying assembly on the inner side of the equipment body, when the battery pole pieces are cut, the conveying roller can be rotated through the cooperation of the fourth servo motor, the active synchronous pulley, the first driven synchronous pulley and the first toothed belt. At the same time, through the cooperation of a plurality of second driven synchronous pulleys and a plurality of second toothed belts, a plurality of conveying rollers can be rotated in the same direction, thereby conveying the battery pole piece at the top, completing the conveying effect before, during and after cutting, thereby improving the overall automation and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0022] Figure 1 It is a three-dimensional structural diagram of a preferred embodiment of the utility model;

[0023] Figure 2 It is a front view half-section structure diagram of the device body of the preferred embodiment of the utility model;

[0024] Figure 3 It is a side view of a half-section structure of a device body of a preferred embodiment of the utility model;

[0025] Figure 4 It is an overall top view of the preferred embodiment of the utility model;

[0026] In the figure: 1. Equipment body; 11. Fixed plate; 2. Fixed frame; 21. First servo motor; 22. Rotating rod; 23. First moving block; 24. Moving frame; 25. Second servo motor; 26. Threaded rod; 27. Second moving block; 28. Moving plate; 3. First slide; 31. Second slide; 4. First scale; 41. Second scale; 5. First support frame; 51. Third servo motor; 52. Slitting blade; 6. Conveying roller; 61. Second support frame; 62. Fourth servo motor; 63. Active synchronous pulley; 64. First driven synchronous pulley; 65. First toothed belt; 66. Second driven synchronous pulley; 67. Second toothed belt; 7. Contact plate; 71. Support plate; 8. Support leg. DETAILED DESCRIPTION

[0027] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0028] like Figure 1 , Figure 2 and Figure 3As shown, a slitting device for processing lithium-ion battery pole pieces includes: a device body 1, a plurality of fixed plates 11 symmetrically fixed on the top of the device body 1, and a slitting adjustment component arranged between the plurality of fixed plates 11.

[0029] The slitting adjustment assembly includes: a fixed frame 2 fixed between a plurality of fixed plates 11, a first servo motor 21 fixed on one side of the fixed plate 11, and a rotating rod 22 arranged at the output end of the first servo motor 21; a plurality of first moving blocks 23 are symmetrically arranged on the side of the rotating rod 22 located inside the fixed frame 2, and a plurality of moving frames 24 are fixed on one side of the plurality of first moving blocks 23 located outside the fixed frame 2.

[0030] A second servo motor 25 is fixed to the top of the moving frame 24, and a threaded rod 26 is provided at the output end of the second servo motor 25. The threaded rod 26 is located on the side of the moving frame 24 and is threadedly connected to a second moving block 27. A moving plate 28 is fixed to one side of the second moving block 27 located outside the moving frame 24, and a cutting component for cutting during pole piece processing is provided on one side of the moving plate 28.

[0031] It should be noted that the side of the rotating rod 22 is provided with threads in opposite directions, the inner sides of the first moving blocks 23 are threadedly connected to the side of the rotating rod 22, the side surfaces of the rotating rod 22 near the two ends are rotatably connected to the inner side of the fixed frame 2 through bearings, and the side surfaces of the threaded rod 26 near the two ends are rotatably connected to the inner side of the moving frame 24 through bearings; the first moving block 23, the moving frame 24, the second servo motor 25, the threaded rod 26, the second moving block 27, the moving plate 28 and the cutting assembly are preferably two, and are symmetrically arranged; before cutting the battery electrode sheet, the first servo motor 21 is started to drive the rotating rod 22 to rotate, and the two first moving blocks 23 connected by the side threads are rotated when the rotating rod 22 rotates. The moving block 23 will drive the two moving frames 24 and the adjacent slitting components at the bottom to move closer or farther away from each other, so that the distance between the slitting blades 52 in the slitting components can be adjusted. The corresponding slitting adjustment can be made according to the slitting size required for the electrode piece, which can better meet the production needs of lithium batteries of different sizes. At the same time, the second servo motor 25 is started to drive the threaded rod 26 to rotate. The second moving block 27 connected by the threaded side of the threaded rod 26 can drive the second moving block 27 and the slitting blade 52 on one side of the moving plate 28 to move upward or downward along the length direction of the moving frame 24 during rotation, so as to adjust the feed amount of the slitting blade 52 when slitting the electrode piece, thereby meeting the needs of different processing conditions.

[0032] A plurality of first slide grooves 3 are symmetrically provided on one side of the fixed frame 2, and the inner side of the first slide groove 3 is slidably connected to the side of the first movable block 23. A second slide groove 31 is provided on one side of the movable frame 24, and the inner side of the second slide groove 31 is slidably connected to the side of the second movable block 27.

[0033] It should be noted that the number of the first slide groove 3 and the second slide groove 31 are preferably two, and they are symmetrically arranged; through the arrangement of the first slide groove 3, the first movable block 23 can be slidingly limited, and through the arrangement of the second slide groove 31, the second movable block 27 can be slidingly limited.

[0034] A first scale 4 is disposed on one side of the fixed frame 2 located at the first slide slot 3 , and a second scale 41 is disposed on one side of the movable frame 24 located at the second slide slot 31 .

[0035] It should be noted that, through the setting of the first scale 4, it is convenient to provide accurate observation data when adjusting the distance between adjacent slitting blades 52, and through the setting of the second scale 41, it is convenient to provide accurate observation data when adjusting the feed amount of the slitting blade 52 when slitting the pole piece.

[0036] The slitting assembly includes: a first support frame 5 fixed to one side of the moving plate 28 , a third servo motor 51 fixed to the inner side of the first support frame 5 , and a slitting blade 52 arranged at the output end of the third servo motor 51 .

[0037] It should be noted that starting the third servo motor 51 can drive the slitting blade 52 to rotate, and then the slitting blade 52 rotating at a high speed can be used to complete the slitting work on the battery electrode sheets.

[0038] The side of the slitting blade 52 facing the adjacent slitting blade 52 is flush with the side of the moving frame 24 facing the adjacent moving frame 24, so that when adjusting the distance between adjacent slitting blades 52, the distance data between them can be observed based on the alignment amount of the moving frame 24 facing the adjacent moving frame 24 toward the first scale 4.

[0039] A plurality of supporting legs 8 are fixed to the bottom of the device body 1, and anti-skid pads are arranged at the bottom of the supporting legs 8. The arrangement of the plurality of supporting legs 8 can support the device body 1, and the arrangement of the anti-skid pads can provide anti-skid and stable support.

[0040] like Figure 3 and Figure 4As shown, a conveying assembly is provided on the inner side of the equipment body 1, and the conveying assembly includes: a plurality of conveying rollers 6 rotatably connected to the inner side of the equipment body 1, a second support frame 61 fixed to the bottom of the inner side of the equipment body 1, and a fourth servo motor 62 fixed to the inner side of the second support frame 61; a driving synchronous pulley 63 is provided at the output end of the fourth servo motor 62, a first driven synchronous pulley 64 is fixed on the side of the conveying roller 6, and a first toothed belt 65 is meshed on the side of the driving synchronous pulley 63 and the first driven synchronous pulley 64.

[0041] A plurality of second driven synchronous pulleys 66 are fixed to the side surfaces of the plurality of conveying rollers 6 , and a second toothed belt 67 is meshed with the side surfaces of adjacent second driven synchronous pulleys 66 .

[0042] It should be noted that a number of conveyor rollers 6 are evenly distributed on the inner side of the equipment body 1 in a linear array; when the battery pole pieces are cut, the fourth servo motor 62 is started to drive the active synchronous pulley 63 to rotate, and the first toothed belt 65 engaged on the side, and the engagement of the first toothed belt 65 with the first driven synchronous pulley 64, can drive the conveyor roller 6 to rotate. When one of the conveyor rollers 6 is rotating, the engagement of a number of second driven synchronous pulleys 66 with a number of second toothed belts 67 can drive a number of conveyor rollers 6 to rotate in the same direction, and then the top battery pole piece can be conveyed, completing the conveying effect before, during and after slitting, thereby improving the overall degree of automation and practicality.

[0043] Contact plates 7 are provided between the conveying rollers 6 and the equipment body 1 and between adjacent conveying rollers 6 . A support plate 71 is fixed to the bottom of the contact plate 7 . The bottom of the support plate 71 is fixed to the inner side of the equipment body 1 .

[0044] It should be noted that the top of the contact plate 7 is flush with the top of the conveying roller 6; when the battery electrode is conveyed by a plurality of conveying rollers 6, the gap between adjacent conveying rollers 6 and the conveying rollers 6 and the equipment body 1 can be filled by the contact plate 7 on the top of the support plate 71, thereby preventing the gap from affecting the conveyance of the battery electrode.

[0045] When the utility model is used, before cutting the battery pole piece, the first servo motor 21 is started to drive the rotating rod 22 to rotate, and the two first moving blocks 23 connected by the side threads, when the rotating rod 22 rotates, the two first moving blocks 23 will drive the two moving frames 24 and the adjacent cutting components at the bottom to move closer or farther from each other, so that the distance between the cutting blades 52 in the cutting component can be adjusted, and the corresponding cutting adjustment can be made according to the required cutting size of the pole piece, which can better meet the production needs of lithium batteries of different sizes. At the same time, the second servo motor 25 is started to drive the threaded rod 26 to rotate, and the second moving block 27 connected by the side thread of the threaded rod 26 can drive the second moving block 27 and the cutting blade 52 on one side of the moving plate 28 to move upward or downward along the length direction of the moving frame 24. The servo motor 51 is driven by the driving synchronous pulley 63 to rotate, and the first toothed belt 65 meshing on the side, and the meshing of the first toothed belt 65 with the first driven synchronous pulley 64 can drive the conveyor roller 6 to rotate. When one of the conveyor rollers 6 is rotating, the meshing of several second driven synchronous pulleys 66 with several second toothed belts 67 can drive several conveyor rollers 6 to rotate in the same direction, so that the top battery electrode can be conveyed. At the same time, the third servo motor 51 is started to drive the slitting blade 52 to rotate. When the battery electrode is conveyed to the bottom of the slitting blade 52, the high-speed rotating slitting blade 52 can be used to complete the slitting of the battery electrode.

[0046] The above is based on the ideal embodiment of the utility model. Through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of this utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A slitting device for processing lithium-ion battery pole pieces, characterized in that: include: An equipment body (1), a plurality of fixing plates (11) symmetrically fixed on the top of the equipment body (1), and a slitting adjustment assembly arranged between the plurality of fixing plates (11); The slitting adjustment assembly comprises: a fixed frame (2) fixed between a plurality of the fixed plates (11), a first servo motor (21) fixed to one side of the fixed plate (11), and a rotating rod (22) arranged at the output end of the first servo motor (21); a plurality of first moving blocks (23) are symmetrically arranged on the side of the rotating rod (22) located inside the fixed frame (2), and a plurality of moving frames (24) are fixed on the side of the plurality of first moving blocks (23) located outside the fixed frame (2); A second servo motor (25) is fixed on the top of the moving frame (24); a threaded rod (26) is provided at the output end of the second servo motor (25); a second moving block (27) is threadedly connected to the side of the threaded rod (26) located inside the moving frame (24); a moving plate (28) is fixed to one side of the second moving block (27) located outside the moving frame (24); and a slitting assembly for slitting during electrode processing is provided on one side of the moving plate (28).

2. The slitting device for processing lithium-ion battery pole pieces according to claim 1, characterized in that: The side surface of the rotating rod (22) is provided with threads in opposite directions, the inner sides of the first moving blocks (23) are threadedly connected to the side surface of the rotating rod (22), the side surfaces of the rotating rod (22) near both ends are rotatably connected to the inner side of the fixed frame (2) through bearings, and the side surfaces of the threaded rod (26) near both ends are rotatably connected to the inner side of the moving frame (24) through the bearings.

3. The slitting equipment for processing lithium-ion battery pole pieces according to claim 1, characterized in that: A plurality of first sliding grooves (3) are symmetrically provided on one side of the fixed frame (2), and the inner side of the first sliding grooves (3) is slidably connected to the side of the first moving block (23). A second sliding groove (31) is provided on one side of the moving frame (24), and the inner side of the second sliding groove (31) is slidably connected to the side of the second moving block (27).

4. The slitting device for processing lithium-ion battery pole pieces according to claim 3, characterized in that: The fixed frame (2) is provided with a first scale (4) on one side of the first slide groove (3), and the movable frame (24) is provided with a second scale (41) on one side of the second slide groove (31).

5. The slitting equipment for processing lithium-ion battery pole pieces according to claim 1, characterized in that: The slitting assembly comprises: a first support frame (5) fixed to one side of the movable plate (28), a third servo motor (51) fixed to the inner side of the first support frame (5), and a slitting blade (52) arranged at the output end of the third servo motor (51).

6. The slitting device for processing lithium-ion battery pole pieces according to claim 5, characterized in that: The side edge of the slitting blade (52) facing the adjacent slitting blade (52) is flush with the side edge of the moving frame (24) facing the adjacent moving frame (24).

7. The slitting device for processing lithium-ion battery pole pieces according to claim 1, characterized in that: A conveying assembly is arranged on the inner side of the equipment body (1), and the conveying assembly comprises: a plurality of conveying rollers (6) rotatably connected to the inner side of the equipment body (1), a second support frame (61) fixed to the bottom of the inner side of the equipment body (1), and a fourth servo motor (62) fixed to the inner side of the second support frame (61); an active synchronous pulley (63) is arranged at the output end of the fourth servo motor (62), a first driven synchronous pulley (64) is fixed to the side of the conveying roller (6), and a first toothed belt (65) is meshed with the side of the active synchronous pulley (63) and the first driven synchronous pulley (64).

8. The slitting device for processing lithium-ion battery pole pieces according to claim 7, characterized in that: A plurality of second driven synchronous belt wheels (66) are fixed to the side surfaces of the plurality of conveying rollers (6), and a second toothed belt (67) is meshed with the side surfaces of the adjacent second driven synchronous belt wheels (66).

9. The slitting device for processing lithium-ion battery pole pieces according to claim 7, characterized in that: A contact plate (7) is provided between the conveying roller (6) and the equipment body (1) and between adjacent conveying rollers (6); a support plate (71) is fixed to the bottom of the contact plate (7); and the bottom of the support plate (71) is fixed to the inner side of the equipment body (1).

10. The slitting device for processing lithium-ion battery pole pieces according to claim 1, characterized in that: A plurality of supporting legs (8) are fixed to the bottom of the equipment body (1), and anti-slip pads are provided at the bottom of the supporting legs (8).

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