Lithium battery processing pole piece slitting equipment

Abstract

The utility model relates to the technical field of slitting equipment, in particular to lithium battery processing pole piece slitting equipment which comprises a bottom plate and further comprises a slitting assembly, the slitting assembly is arranged in the middles of the opposite faces of two supporting plates, the slitting assembly is used for slitting pole pieces, and the slitting assembly comprises a first connecting plate connected with the middles of the two supporting plates in a sliding mode and a second connecting plate connected with the middle of the two supporting plates in a sliding mode. The middle of the lower end of the first connecting plate is fixedly connected with two second connecting plates. By arranging the first cutter locking assembly, the position of the cutter located in the middle can be locked through the first cutter locking assembly, then the positions of the other two cutters can be locked through cooperation of the first cutter locking assembly and the two second cutter locking assemblies, and when one cutter needs to be replaced, the first cutter locking assembly and the two second cutter locking assemblies are matched, so that the cutter can be replaced conveniently. According to the slitting assembly, the whole slitting assembly does not need to be disassembled, only the corresponding cutter needs to be disassembled and then replaced, and therefore operation is easy, the needed time can be shortened, and the production line efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cutting equipment technical field, concretely is a kind of lithium battery processing pole piece cutting equipment. BACKGROUND

[0002] Lithium battery pole piece is one of the core components of lithium ion battery, is made of current collector (such as copper foil, aluminum foil) and active material (positive electrode material is lithium cobalt oxide, lithium iron phosphate etc., negative electrode material is graphite, silicon-carbon composite material etc.) coated on its surface, pole piece is cut to specific width and shape by slitting process, to meet the size requirement of battery winding or laminating process, the precision of pole piece slitting (such as edge flatness, burr control) directly affects the energy density, safety performance and cycle life of battery, so the technical requirement of slitting equipment is extremely high.

[0003] At present, lithium battery pole piece slitting mainly adopts mechanical cutter cutting mode, common technology includes disc cutter cutting and guillotine cutter cutting, its principle is to realize slitting by high-speed rotating or reciprocating cutter to pole piece shear force, however, after long-term use, cutting tool blade edge is gradually passivated due to repeated friction with pole piece coating (including binder, conductive agent etc.) and current collector, which will lead to cutting resistance increase, edge burr increase, so that, when tool passivation, it needs to be replaced after shutdown, but existing equipment usually adopts integral type tool rest design, more single tool needs to disassemble entire tool shaft or tool holder, operation is complex and time-consuming is long, then it will affect production line efficiency, for this purpose, we propose a kind of lithium battery processing pole piece cutting equipment. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of lithium battery processing pole piece cutting equipment to solve the problem of slow replacement tool speed proposed in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of lithium battery processing pole piece cutting equipment, comprising: bottom plate,

[0006] It further includes: two support plates, the lower end of two support plates is fixedly connected with the upper end of bottom plate in common;

[0007] The slitting assembly is arranged in the middle of the opposite faces of the two support plates, and is used for slitting the pole piece. The slitting assembly comprises a connecting plate one slidably connected with the middle of the two support plates, two connecting plate twos fixedly connected with the middle of the lower end of the connecting plate one, two connecting plate threes fixedly connected with the sides of the lower end of the two connecting plate twos away from each other, a first lock-knife assembly commonly rotatably connected with the lower parts of the two connecting plate twos, a second lock-knife assembly rotatably connected with the lower parts of the two connecting plate threes, a cutting knife arranged on the middle of the first lock-knife assembly and the side of the second lock-knife assembly close to the first lock-knife assembly, a transmission assembly fixedly connected with the sides of the two second lock-knife assemblies away from each other, and a stress rod arranged on the sides of the two transmission assemblies away from each other and rotatably connected with the support plate.

[0008] Wherein, one side of one of the support plates is fixedly connected with a connecting block, the side of the connecting block close to the other support plate is fixedly connected with a support rod, the opposite faces of the two support plates are commonly rotatably connected with a connecting roller one, the opposite faces of the two support plates close to the connecting roller one are commonly rotatably connected with a pressing roller one, the lower parts of the opposite faces of the two support plates close to the slitting assembly are commonly rotatably connected with a driven assembly, the opposite faces of the two support plates away from the connecting roller one are commonly rotatably connected with a connecting roller two, the opposite faces of the two support plates away from the connecting roller one are commonly rotatably connected with a pressing roller two, one side of one of the support plates close to the other support plate is rotatably connected with a winding shaft, the side of one of the support plates away from the other support plate is fixedly connected with two connecting seats, the middle of the two connecting seats are rotatably connected with an adapter shaft, the sides of the two connecting seats away from the support plates are fixedly connected with motors, the output shafts of the motors are fixedly connected with the adjacent adapter shafts, one of the adapter shafts is fixedly connected with the adjacent winding shaft, and the other adapter shaft is fixedly connected with the adjacent stress rod.

[0009] Wherein, the driven assembly comprises a fixed shaft rotatably connected with the two support plates, the outer surface of the fixed shaft is fixedly connected with a roller shaft, the middle of the roller shaft is provided with a plurality of cutting grooves, the side of the fixed shaft away from the motor is fixedly connected with a gear one, and the side of one of the stress rods away from the motor is fixedly connected with a gear two.

[0010] Wherein, the first lock-knife assembly comprises a connecting shaft one rotatably connected with the connecting plate two and a connecting shaft two rotatably connected with the other connecting plate two, the sides of the connecting shaft one and the side of the connecting shaft two away from the connecting shaft one are symmetrically fixedly connected with a screw one, the inner cavity of the connecting shaft two is slidably connected with an L-shaped rod one, the side of the connecting shaft two close to the connecting shaft one is fixedly connected with a fixed block one, the side of the fixed block one away from the connecting shaft one is fixedly connected with a screw two, the screw two is slidably connected with the upper part of the L-shaped rod one, the L-shaped rod one is slidably connected with the adjacent cutting knife, and the screw one is slidably connected with the adjacent cutting knife.

[0011] The second lock cutter assembly comprises a connecting shaft four rotatably connected with the connecting plate three, an L-shaped block three slidably connected in the inner cavity of the connecting shaft four, the L-shaped block three slidably connected with the adjacent cutting knife, and a fixed block two fixedly connected on the side of the connecting shaft four away from the transmission assembly.

[0012] The transmission assembly comprises a connecting shaft three fixedly connected with the connecting shaft four, an annular block fixedly connected on the side of the connecting shaft three away from the connecting shaft four, an L-shaped rod two slidably connected in the inner cavity of the connecting shaft three, the L-shaped rod two slidably connected with the inner cavity of the adjacent force rod, and a screw rod three fixedly connected on the side of the annular block away from the force rod, the screw rod three slidably connected with the L-shaped rod two.

[0013] The support plate is provided with a support block fixedly connected to the middle of the upper end of the support plate, an electric push rod fixedly connected to the middle of the support block, and an upper end of the connecting plate one fixedly connected to the piston rod output end of the electric push rod.

[0014] The utility model at least has the following beneficial effects:

[0015] The first lock cutter assembly is arranged, so that the cutting knife located in the middle can be locked in position by the first lock cutter assembly, and then the positions of the other two cutting knives can be locked by cooperation of the first lock cutter assembly and the two second lock cutter assemblies. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model is a whole structure schematic diagram Figure One ;

[0017] Figure 2 The utility model is a whole structure schematic diagram Figure Two ;

[0018] Figure 3 The utility model is a whole structure schematic diagram Figure Three ;

[0019] Figure 4 The utility model is a whole structure schematic diagram

[0020] Figure 5 It is a schematic view of the transmission assembly of the utility model;

[0021] Figure 6 It is a schematic view of the first lock knife assembly of the utility model Figure One ;

[0022] Figure 7 It is a schematic view of the first lock knife assembly of the utility model Figure Two ;

[0023] Figure 8 It is a schematic view of the second lock knife assembly of the utility model;

[0024] Figure 9 It is a schematic view of the support plate of the utility model.

[0025] In the figure: 1, bottom plate; 2, support plate; 21, support block; 22, electric push rod; 23, limit rod; 24, sliding groove; 3, connecting block; 31, support rod; 4, connecting roller one; 5, compression roller one; 6, driven assembly; 61, fixed shaft; 62, roller shaft; 63, cutting groove; 64, gear one; 7, slitting assembly; 71, connecting plate one; 72, connecting plate two; 73, gear two; 74, cutting knife; 75, first lock knife assembly; 751, connecting shaft one; 752, connecting shaft two; 753, screw one; 754, L-shaped rod one; 755, fixed block one; 756, screw two; 76, transmission assembly; 761, connecting shaft three; 762, annular block; 763, L-shaped rod two; 764, screw three; 77, stress rod; 78, second lock knife assembly; 781, connecting shaft four; 782, fixed block two; 783, L-shaped block three; 784, screw four; 79, connecting plate three; 8, connecting roller two; 9, compression roller two; 10, winding shaft; 11, motor; 12, adapter shaft; 13, connecting seat. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Embodiment one

[0028] Please refer to Figures 1 to 9 , the utility model provides a kind of technical scheme: a lithium battery processing pole piece slitting equipment, comprising: bottom plate 1,

[0029] Further comprising: two support plates 2, two support plates 2 lower end are fixedly connected with bottom plate 1 upper end in common;

[0030] The slitting assembly 7 is arranged in the middle of the opposite surfaces of the two support plates 2, and is used for slitting the pole piece. The slitting assembly 7 comprises a connecting plate one 71 slidably connected with the middle of the two support plates 2, two connecting plate twos 72 fixedly connected with the middle of the lower end of the connecting plate one 71, two connecting plate threes 79 fixedly connected with the sides of the lower end of the connecting plate one 71 away from each other, a first lock knife assembly 75 rotatably connected with the lower part of the two connecting plate twos 72, a second lock knife assembly 78 rotatably connected with the lower part of the two connecting plate threes 79, a cutting knife 74 arranged in the middle of the first lock knife assembly 75 and the side of the second lock knife assembly 78 close to the first lock knife assembly 75, a transmission assembly 76 fixedly connected with the side of the second lock knife assembly 78 away from each other, a stress rod 77 arranged on the side of the transmission assembly 76 away from each other, and the stress rods 77 on the same side are rotatably connected with the support plate 2.

[0031] The slitting assembly 7 is arranged in the middle of the opposite surfaces of the two support plates 2, and is used for slitting the pole piece. The slitting assembly 7 comprises a connecting plate one 71 slidably connected with the middle of the two support plates 2, two connecting plate twos 72 fixedly connected with the middle of the lower end of the connecting plate one 71, two connecting plate threes 79 fixedly connected with the sides of the lower end of the connecting plate one 71 away from each other, a first lock knife assembly 75 rotatably connected with the lower part of the two connecting plate twos 72, a second lock knife assembly 78 rotatably connected with the lower part of the two connecting plate threes 79, a cutting knife 74 arranged in the middle of the first lock knife assembly 75 and the side of the second lock knife assembly 78 close to the first lock knife assembly 75, a transmission assembly 76 fixedly connected with the side of the second lock knife assembly 78 away from each other, a stress rod 77 arranged on the side of the transmission assembly 76 away from each other, and the stress rods 77 on the same side are rotatably connected with the support plate 2.

[0032] The first lock knife assembly 75 comprises a connecting shaft one 751 rotatably connected with the connecting plate two 72 and a connecting shaft two 752 rotatably connected with the other connecting plate two 72, a screw rod one 753 fixedly connected with the sides of the connecting shaft one 751 away from the side of the connecting shaft two 752 away from the connecting shaft one 751, an L-shaped rod one 754 slidably connected in the inner cavity of the connecting shaft two 752, a fixed block one 755 fixedly connected with the side of the connecting shaft two 752 close to the connecting shaft one 751, a screw rod two 756 fixedly connected with the side of the fixed block one 755 away from the connecting shaft one 751, the screw rod two 756 slidably connected with the upper part of the L-shaped rod one 754, the L-shaped rod one 754 slidably connected with the adjacent cutting knife 74, and the screw rod one 753 slidably connected with the adjacent cutting knife 74.

[0033] The second lock-knife assembly 78 comprises a connecting shaft four 781 rotatably connected with the connecting plate three 79, an L-shaped block three 783 slidably connected in the inner cavity of the connecting shaft four 781, the L-shaped block three 783 slidably connected with the adjacent cutting knife 74, and a fixed block two 782 fixedly connected on the side of the connecting shaft four 781 away from the transmission assembly 76, a screw four 784 fixedly connected on the side of the fixed block two 782 close to the connecting shaft three 761, and the screw four 784 slidably connected with the L-shaped block three 783;

[0034] The transmission assembly 76 comprises a connecting shaft three 761 fixedly connected with the connecting shaft four 781, an annular block 762 fixedly connected on the side of the connecting shaft three 761 away from the connecting shaft four 781, an L-shaped rod two 763 slidably connected in the inner cavity of the connecting shaft three 761, the L-shaped rod two 763 slidably connected with the inner cavity of the adjacent force rod 77, a screw three 764 fixedly connected on the side of the annular block 762 away from the force rod 77, and the screw three 764 slidably connected with the L-shaped rod two 763;

[0035] The support plate 2 is fixedly connected with a support block 21 at the middle of the upper end of the support plate 2, the support block 21 is fixedly connected with an electric push rod 22 at the middle of the support block 21, the piston rod output end of the electric push rod 22 is fixedly connected with the upper end of the connecting plate one 71, the support plate 2 is provided with a sliding groove 24 at the upper portion of the support plate 2, the inner cavity of the sliding groove 24 is fixedly connected with limiting rods 23 in a symmetrical manner, and the two limiting rods 23 are slidably connected with the connecting plate one 71.

[0036] When it is necessary to replace the cutting knife 74, first, the cutting knife 74 needs to be moved upward, and then it is convenient for the staff to disassemble the cutting knife 74, the worker rotates the nut on the screw three 764 to remove the position limitation on the L-shaped rod two 763, then exerts a force on the L-shaped rod two 763 to drive the L-shaped rod two 763 to move in the inner cavity of the connecting shaft three 761 away from the force rod 77, then the L-shaped rod two 763 can be separated from the inner cavity of the force rod 77 to remove the position limitation on the transmission assembly 76, then the controller is controlled to control the electric push rod 22 to operate, the piston rod of the electric push rod 22 drives the connecting plate one 71 to slide upward in the inner cavity of the sliding groove 24, then the connecting plate one 71 drives the connecting plate two 72 and the connecting plate three 79 to move upward, then the connecting plate two 72 and the connecting plate three 79 drive the first lock-knife assembly 75 and the second lock-knife assembly 78 and the transmission assembly 76 to move upward, and then the plurality of cutting knives 74 can be driven to move upward;

[0037] When the position of the cutting knife 74 is adjusted to the appropriate height, and it is determined that the cutting knife 74 needs to be replaced, such as the cutting knife 74 at the intermediate position needs to be replaced, the worker removes the position limitation of the L-shaped rod one 754 by rotating the nut on the screw rod two 756, and then drives the L-shaped rod one 754 to slide away from the side of the connecting shaft one 751 by applying a force to the L-shaped rod one 754, so that the L-shaped rod one 754 can be separated from the connecting shaft one 751, and the position limitation of the cutting knife 74 is removed. Then, the position limitation of the cutting knife 74 on the screw rod one 753 is removed by taking off the nut from the screw rod one 753, and then the cutting knife 74 is taken off from the screw rod one 753 by applying a force to the cutting knife 74. Then, a new cutting knife 74 is replaced, and then the position of the cutting knife 74 is locked by the cooperation of the screw rod one 753 and the nut. Then, the L-shaped rod one 754 is driven to slide towards the side of the connecting shaft one 751 by applying a force to the L-shaped rod one 754, so that the L-shaped rod one 754 passes through the cutting knife 74 and enters the inner cavity of the connecting shaft one 751. The connecting shaft one 751 and the connecting shaft two 752 are connected by the L-shaped rod one 754. Then, the position of the L-shaped rod one 754 is locked by the cooperation of the screw rod two 756 and the nut, so as to complete the replacement of the cutting knife 74.

[0038] When the cutting knives 74 on both sides need to be replaced, the worker removes the position limitation of the L-shaped block three 783 by rotating the nut on the screw rod four 784 and taking off the nut from the screw rod four 784, and then the L-shaped block three 783 is separated from the connecting shaft one 751 or the connecting shaft two 752 by moving the screw rod four 784 away from the cutting knife 74, so that the L-shaped block three 783 is separated from the cutting knife 74 and the position limitation of the cutting knife 74 is removed. Then, the position limitation of the cutting knife 74 on the screw rod one 753 is removed by taking off the nut from the screw rod one 753, and then the cutting knife 74 is taken off from the screw rod one 753 by applying a force to the cutting knife 74. Then, a new cutting knife 74 is replaced, and then the position of the cutting knife 74 is locked by the cooperation of the screw rod one 753 and the nut. Then, the L-shaped block three 783 is driven to pass through the cutting knife 74 by applying a force to the L-shaped block three 783, so that the L-shaped block three 783 enters the inner cavity of the connecting shaft one 751 or the inner cavity of the adjacent connecting shaft two 752. The second lock knife assembly 78 and the first lock knife assembly 75 are connected by the L-shaped block three 783. Then, the position of the L-shaped block three 783 is locked by the cooperation of the screw rod four 784 and the nut, so as to complete the replacement of the cutting knife 74.

[0039] Finally, the piston rod of the electric push rod 22 drives the whole slitting assembly 7 to move downward, and then the internal structure of the transmission assembly 76 is reset, and then the transmission assembly 76 and the force rod 77 are connected, so as to realize the replacement of the cutter.

[0040] Example two

[0041] One side of one of the support plates 2 is fixedly connected with a connecting block 3, the connecting block 3 is fixedly connected with a support rod 31 close to the side of the other support plate 2, the opposite surfaces of the two support plates 2 are jointly rotatably connected with a connecting roller one 4, the opposite surfaces of the two support plates 2 close to the connecting roller one 4 are jointly rotatably connected with a pressure roller one 5, the opposite surfaces of the two support plates 2 close to the slitting assembly 7 are jointly rotatably connected with a driven assembly 6 at the lower part, the opposite surfaces of the two support plates 2 away from the connecting roller one 4 are jointly rotatably connected with a connecting roller two 8, the opposite surfaces of the two support plates 2 away from the connecting roller one 4 are jointly rotatably connected with a pressure roller two 9, one side of one of the support plates 2 close to the other support plate 2 is rotatably connected with a winding shaft 10, one side of one of the support plates 2 away from the other support plate 2 is fixedly connected with two connecting seats 13, the middle parts of the two connecting seats 13 are rotatably connected with adapter shafts 12, the sides of the two connecting seats 13 away from the support plates 2 are fixedly connected with motors 11, and the output shafts of the motors 11 are fixedly connected with adjacent adapter shafts 12, one of the adapter shafts 12 is fixedly connected with an adjacent winding shaft 10, and the other adapter shaft 12 is fixedly connected with an adjacent force rod 77.

[0042] The driven assembly 6 comprises a fixed shaft 61 rotatably connected with the two support plates 2, a roller shaft 62 fixedly connected to the outer surface of the fixed shaft 61, a plurality of cutting grooves 63 formed in the middle part of the roller shaft 62, a gear one 64 fixedly connected to the side of the fixed shaft 61 away from the motor 11, and a gear two 73 fixedly connected to the side of one of the force rods 77 away from the motor 11, the gear two 73 is meshingly connected with an adjacent gear one 64.

[0043] When the pole piece needs to be cut, first, the whole roll of pole piece is placed on the support rod 31, and the pole piece is supported by the support rod 31, then the pole piece is passed through the connection roller one 4 and the pressure roller one 5, the pole piece is supported by the connection roller one 4, and the position of the pole piece is limited by the pressure roller one 5, then the pole piece is passed through the cutting assembly 7 and the driven assembly 6, and then passed through the connection roller two 8, and finally the pole piece is passed through the gap between the pressure roller two 9 and the winding shaft 10, then the pole piece is fixed on the winding shaft 10, then the two motors 11 are controlled to run by the controller, then when the motor 11 runs, the adapter shaft 12 is driven to rotate, then the adapter shaft 12 can drive the stress rod 77 to rotate, then the transmission assembly 76, the first lock knife assembly 75 and the second lock knife assembly 78 are driven to rotate by the stress rod 77, so that the plurality of cutting knives 74 can be driven to rotate, so that the plurality of cutting knives 74 can cut the pole piece, when the second lock knife assembly 78 rotates, the transmission assembly 76 on the other side is driven to rotate, then the transmission assembly 76 on the other side drives the stress rod 77 on the other side to rotate, so that the gear two 73 can be driven to rotate, then the gear one 64 adjacent to the gear two 73 is driven to rotate by the gear two 73, then the fixed shaft 61 is driven to rotate by the gear one 64, so that the driven assembly 6 can be driven to rotate by the fixed shaft 61, then the pole piece placed on the roller shaft 62 can be moved, at the same time, when the other motor 11 runs, the adapter shaft 12 is driven to rotate, then the winding shaft 10 adjacent to the adapter shaft 12 is driven to rotate, so that the winding shaft 10 can wind the cut pole piece.

[0044] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0045] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lithium battery processing pole piece slitting apparatus, comprising: The bottom plate (1), It is characterized in that: it also includes: two support plates (2), the lower end of the two support plates (2) is fixedly connected with the upper end of the bottom plate (1); The slitting assembly (7) is arranged in the middle of the opposite surfaces of the two support plates (2), and the slitting assembly (7) is used for slitting the pole piece. The slitting assembly (7) includes a connecting plate one (71) slidably connected with the middle of the two support plates (2), two connecting plate twos (72) fixedly connected with the lower end of the connecting plate one (71), connecting plate threes (79) fixedly connected with the sides of the lower end of the connecting plate one (71) away from each other, a first lock knife assembly (75) rotatably connected with the lower parts of the two connecting plate twos (72), a second lock knife assembly (78) rotatably connected with the lower parts of the two connecting plate threes (79), a cutting knife (74) arranged on the middle of the first lock knife assembly (75) and the side of the second lock knife assembly (78) close to the first lock knife assembly (75), a transmission assembly (76) fixedly connected with the sides of the second lock knife assembly (78) away from each other, and a stress rod (77) arranged on the sides of the transmission assemblies (76) away from each other. The stress rods (77) on the same side are rotatably connected with the support plates (2).

2. The lithium battery processing pole piece slitting apparatus of claim 1, wherein: One side of one of the support plates (2) is fixedly connected with a connecting block (3), the side of the connecting block (3) close to the other support plate (2) is fixedly connected with a support rod (31), the opposite surfaces of the two support plates (2) are rotatably connected with a connecting roller one (4), the opposite surfaces of the two support plates (2) close to the connecting roller one (4) are rotatably connected with a pressure roller one (5), the lower parts of the opposite surfaces of the two support plates (2) close to the slitting assembly (7) are rotatably connected with a driven assembly (6), the opposite surfaces of the two support plates (2) away from the connecting roller one (4) are rotatably connected with a connecting roller two (8), the opposite surfaces of the two support plates (2) away from the connecting roller one (4) are rotatably connected with a pressure roller two (9), one side of one of the support plates (2) close to the other support plate (2) is rotatably connected with a winding shaft (10), one side of one of the support plates (2) away from the other support plate (2) is fixedly connected with two connecting seats (13), the middle parts of the two connecting seats (13) are rotatably connected with an adapter shaft (12), the sides of the two connecting seats (13) away from the support plates (2) are fixedly connected with motors (11), the output shafts of the motors (11) are fixedly connected with adjacent adapter shafts (12), one of the adapter shafts (12) is fixedly connected with an adjacent winding shaft (10), and the other adapter shaft (12) is fixedly connected with an adjacent stress rod (77).

3. The lithium battery processing pole piece slitting apparatus of claim 2, wherein: The driven assembly (6) includes a fixed shaft (61) rotatably connected with the two support plates (2), the outer surface of the fixed shaft (61) is fixedly connected with a roller shaft (62), a plurality of cutting grooves (63) are formed in the middle of the roller shaft (62), the fixed shaft (61) is fixedly connected with a gear one (64) on the side away from the motor (11), and one of the force rods (77) is fixedly connected with a gear two (73) on the side away from the motor (11), and the gear two (73) is in meshing connection with the adjacent gear one (64).

4. The lithium battery processing pole piece slitting apparatus of claim 1, wherein: The first lock knife assembly (75) comprises a connecting shaft one (751) rotatably connected with the connecting plate two (72) and a connecting shaft two (752) rotatably connected with the other connecting plate two (72), the connecting shaft one (751) is fixedly connected with a screw one (753) on both sides and the side away from the connecting shaft one (751) of the connecting shaft two (752), the connecting shaft two (752) is slidably connected with an L-shaped rod one (754) in the inner cavity, the connecting shaft two (752) is fixedly connected with a fixed block one (755) on the side close to the connecting shaft one (751), the fixed block one (755) is fixedly connected with a screw two (756) on the side away from the connecting shaft one (751), the screw two (756) is slidably connected with the upper part of the L-shaped rod one (754), the L-shaped rod one (754) is slidably connected with the adjacent cutting knife (74), and the screw one (753) is slidably connected with the adjacent cutting knife (74).

5. The lithium battery processing pole piece slitting apparatus of claim 1, wherein: The second lock knife assembly (78) comprises a connecting shaft four (781) rotatably connected with the connecting plate three (79), the connecting shaft four (781) is slidably connected with an L-shaped block three (783) in the inner cavity, the L-shaped block three (783) is slidably connected with the adjacent cutting knife (74), the connecting shaft four (781) is fixedly connected with a fixed block two (782) on the side away from the transmission assembly (76), the fixed block two (782) is fixedly connected with a screw four (784) on the side close to the connecting shaft three (761), and the screw four (784) is slidably connected with the L-shaped block three (783).

6. The lithium battery processing pole piece slitting apparatus of claim 1, wherein: The transmission assembly (76) comprises a connecting shaft three (761) fixedly connected with the connecting shaft four (781), the connecting shaft three (761) is fixedly connected with an annular block (762) on the side away from the connecting shaft four (781), the connecting shaft three (761) is slidably connected with an L-shaped rod two (763) in the inner cavity, the L-shaped rod two (763) is slidably connected with the inner cavity of the adjacent force rod (77), the annular block (762) is fixedly connected with a screw three (764) on the side away from the force rod (77), and the screw three (764) is slidably connected with the L-shaped rod two (763).

7. The lithium battery processing pole piece slitting apparatus of claim 1, wherein: The upper end of the support plate (2) is fixedly connected with a support block (21), the middle part of the support block (21) is fixedly connected with an electric push rod (22), the piston rod output end of the electric push rod (22) is fixedly connected with the upper end of a connecting plate (71), the upper part of the support plate (2) is provided with a sliding groove (24), the inner cavity of the sliding groove (24) is fixedly connected with a limiting rod (23) in a symmetrical manner, and the two limiting rods (23) are both in sliding connection with the connecting plate (71).

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