Lithium battery pole piece rolling equipment with slitting function

Abstract

The invention relates to the technical field of pole piece processing, in particular to lithium battery pole piece rolling equipment with a slitting function, which comprises a base, a fixed frame with a square structure is fixedly mounted at one end of the top of the base, a movable sliding groove is formed in the top of the base and is positioned on one side of the fixed frame, and a movable frame with a square structure is arranged at the top of the base; the bottom of the movable frame is in sliding connection with the movable sliding groove, a set of rolling shafts are rotationally installed on the fixed frame, and two sets of rolling shafts are rotationally installed on the movable frame. The slitting frames are designed, the lithium battery pole pieces can be slit while the lithium battery pole pieces are rolled through the multiple slitting frames, the slit lithium battery pole pieces can be separately conveyed, and the problem of superposition in the subsequent conveying process is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of pole piece processing, and in particular to a lithium battery pole piece rolling device with a slitting function. Background Art

[0002] Lithium battery pole sheet rolling is a very important step in the lithium battery processing process. The lithium battery pole sheet is rolled by two or more rolling shafts to make the lithium battery active material and the foil more firmly and densely combined with uniform thickness.

[0003] Lithium battery pole pieces generally need to be rolled up after rolling, and then they need to be cut for easy use. At this time, the rolled up lithium battery pole pieces need to be unfolded and cut, and the cut lithium battery pole pieces need to be rolled up again. This process is relatively cumbersome and seriously reduces the processing efficiency of the lithium battery pole pieces. Therefore, there is an urgent need for a lithium battery pole piece rolling equipment with a cutting function. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the background technology and to propose a lithium battery pole piece rolling device with a cutting function.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a lithium battery pole piece rolling device with a slitting function, comprising a base, a fixed frame with a U-shaped structure is fixedly installed at one end of the top of the base, a movable slide groove is opened on the top of the base and located on one side of the fixed frame, a movable frame with a U-shaped structure is arranged on the top of the base, the bottom of the movable frame is slidably connected to the movable slide groove, a group of rolling shafts are rotatably installed on the fixed frame, and two groups of rolling shafts are rotatably installed on the movable frame;

[0006] A plurality of evenly distributed straight plug-in slots are provided on the top of the base and on both sides of the movable slide, and the plurality of plug-in slots on both sides of the movable slide correspond to each other. A plurality of slitting racks are provided on the base and between the fixed rack and the movable rack, and the plurality of slitting racks are evenly distributed alternately in positive and negative directions.

[0007] In the above-mentioned lithium battery pole piece rolling equipment with slitting function, the slitting frame is composed of a supporting plate and a mounting plate, the supporting plate is C-shaped and two are provided, the two supporting plates are arranged facing each other, two mounting plates are provided, and the mounting plate is fixedly connected to one end of the supporting plate, and a No. 1 slide groove is provided on the side close to each other of the two mounting plates, and a No. 1 slide groove is slidingly installed with a No. 1 slider and a No. 2 slider, and the No. 2 slider is arranged below the No. 1 slider, and the No. 1 slider and the No. 2 slider are both T-shaped structures, and two auxiliary shafts are rotatably installed between the two No. 1 sliders and the two No. 2 sliders, and a cutting shaft is rotatably installed between the two No. 1 sliders, and an adjusting pressure rod with a circular tubular structure is sleeved on the cutting shaft, and the outer diameter of the adjusting pressure rod is consistent with the outer diameter of the auxiliary shaft, and a cutting wheel is fixedly installed on the outer wall of the adjusting pressure rod.

[0008] In the above-mentioned lithium battery pole piece rolling equipment with slitting function, both ends of the adjusting pressure rod are threadedly connected with fixing bolts, an extrusion groove is provided on the inner wall of the adjusting pressure rod, an elastic block with an arc-shaped structure is fixedly installed on the inner wall of the extrusion groove, an inclined surface is provided on the top of the elastic block, one end of the fixing bolt extends into the extrusion groove and is provided with an inclined surface, one end of the fixing bolt with the inclined surface contacts with the inclined surface provided on the elastic block, an arc-shaped surface is provided at the bottom of the elastic block and a plurality of fixed teeth are fixedly installed, and a plurality of fixed tooth grooves evenly distributed along its circumference are provided on the outer wall of the cutting shaft.

[0009] In the above-mentioned lithium battery pole piece rolling equipment with slitting function, a positioning shaft is rotatably installed between the two No. 2 sliders, the positioning shaft is located directly below the cutting shaft, an auxiliary pressure rod with a tubular structure is sleeved on the positioning shaft, and a cutting groove with a circular ring structure is opened on the outer wall of the auxiliary pressure rod, the opening position of the cutting groove corresponds to the installation position of the cutting wheel, the structure of the positioning shaft corresponds to the structure of the cutting shaft, and the internal structure of the auxiliary pressure rod is consistent with the internal structure of the adjusting pressure rod.

[0010] In the above-mentioned lithium battery pole piece rolling equipment with slitting function, a No. 2 slide groove is opened on the side wall of the mounting plate and is located below the No. 1 slide groove. An auxiliary slider is slidably installed in the No. 2 slide groove. The auxiliary slider is L-shaped. One end of the auxiliary slider extends out of the No. 2 slide groove, and a guide shaft is rotatably installed between the two auxiliary sliders.

[0011] In the above-mentioned lithium battery pole piece rolling equipment with slitting function, a linkage shaft is rotatably installed between the two auxiliary sliders and below the guide shaft, and two grinding discs are sleeved on the linkage shaft. A grinding layer is provided on the side of the two grinding discs close to each other.

[0012] In the above-mentioned lithium battery pole piece rolling equipment with a slitting function, fixed slide grooves are provided on both sides of the inner wall of the plug-in slot, and a fixed block is arranged in the plug-in slot. The two fixed blocks correspond to the two fixed slide grooves one by one, respectively, and the fixed block is slidably connected to the corresponding fixed slide grooves. An inclined surface is provided at the bottom of one end of the fixed block, and the top and bottom of the support plate are convex structures. Two symmetrically arranged limit grooves are provided at both ends of the support plate, and an inclined surface is provided in the limit groove, and the fixed block is inserted in the corresponding limit groove.

[0013] Compared with the existing technology, the advantages of the lithium battery pole piece rolling equipment with a slitting function are: the present invention designs a slitting rack, and by setting up a plurality of slitting racks, the lithium battery pole pieces can be slit while the lithium battery pole pieces are rolled, and the slit lithium battery pole pieces can be transported separately to avoid the problem of overlapping during the subsequent transportation process. At the same time, it solves the problem of the need to separately handle the rolling and slitting of lithium battery pole pieces in the existing lithium battery pole piece processing, thereby greatly improving the processing efficiency of lithium battery pole pieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the base, the fixed frame, the movable frame and the cutting frame in the present invention.

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the fixed frame, the movable frame and the cutting frame in the present invention.

[0016] Figure 3 The present invention Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0017] Figure 4 The present invention Figure 2 Schematic diagram of the local enlarged structure at point B in the middle.

[0018] Figure 5 It is a three-dimensional structural schematic diagram of the cutting frame in the present invention.

[0019] Figure 6 It is a partial three-dimensional structural schematic diagram of the cutting frame in the present invention.

[0020] Figure 7 It is a partial cross-sectional structural schematic diagram of the slitting frame in the present invention.

[0021] Figure 8 The present invention Figure 7 Schematic diagram of the local enlarged structure at point C in the middle.

[0022] Fig. 9 The present invention Figure 7 Schematic diagram of the local enlarged structure at point D in the middle.

[0023] In the figure: 1, base; 2, fixed frame; 101, movable slide; 3, movable frame; 102, plug-in slot; 4, slitting frame; 401, support plate; 402, mounting plate; 404, slide No. 1; 405, slider No. 1; 406, slider No. 2; 407, auxiliary shaft; 408, cutting shaft; 409, adjusting pressure rod; 410, cutting wheel; 411, fixing bolt; 412, extrusion groove; 413, elastic block; 414, positioning shaft; 415, auxiliary pressure rod; 416, cutting groove; 417, slide No. 2; 418, auxiliary slider; 419, guide shaft; 420, linkage shaft; 421, grinding disc; 103, fixed slide; 104, fixed block; 422, limit groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] Reference Figure 1-Figure 9 , a lithium battery pole piece rolling equipment with a slitting function, comprises a base 1, a fixed frame 2 with a U-shaped structure is fixedly installed at one end of the top of the base 1, a movable slide 101 is opened on the top of the base 1 and on one side of the fixed frame 2, a movable frame 3 with a U-shaped structure is arranged on the top of the base 1, and the bottom of the movable frame 3 is slidably connected with the movable slide 101, a group of roller pressing shafts are rotatably installed on the fixed frame 2, and two groups of roller pressing shafts are rotatably installed on the movable frame 3, the base 1 is used to be fixed on the ground, a group of roller pressing shafts are composed of fixed rollers and movable rollers, the fixed frame 2 cooperates with the corresponding fixed rollers and movable rollers to transport the lithium battery pole pieces, and at the same time, the lithium battery pole pieces that have been processed in the previous sequence can be preliminarily rolled, the movable frame 3 and the movable slide 101 are electrically driven, and the movable frame 3 cooperates with the corresponding two groups of roller pressing shafts to transport the slit lithium battery pole pieces respectively to avoid the slit lithium battery pole pieces from contacting each other.

[0027] A plurality of plug-in slots 102 evenly distributed in a straight line are provided on the top of the base 1 and on both sides of the movable slide 101. The plurality of plug-in slots 102 on both sides of the movable slide 101 correspond to each other one by one. A plurality of slitting racks 4 are provided on the base 1 and between the fixed frame 2 and the movable frame 3. The plurality of slitting racks 4 are evenly distributed alternately in positive and negative directions. The slitting racks 4 are used to slitting lithium battery pole pieces. A corresponding number of slitting racks 4 can be installed according to slitting needs. The slitting racks 4 are installed between the fixed frame 2 and the movable frame 3. The lithium battery pole pieces are transported and kept in a taut state through the fixed frame 2 and the movable frame 3, so as to facilitate slitting by the slitting racks 4.

[0028] The slitting frame 4 is composed of a support plate 401 and a mounting plate 402. The support plate 401 is a C-shaped structure and is provided with two. The two support plates 401 are arranged facing each other. There are two mounting plates 402. The mounting plate 402 is fixedly connected to one end of the support plate 401. The two mounting plates 402 are provided with a No. 1 slide groove 404 on one side close to each other. A No. 1 slide block 405 and a No. 2 slide block 406 are slidably installed in the No. 1 slide groove 404. The No. 2 slide block 406 is arranged below the No. 1 slide block 405. The No. 1 slide block 404 is provided with a No. 1 slide block 405. The first and second sliders 405 and 406 are both T-shaped structures. Two auxiliary shafts 407 are rotatably installed between the two first sliders 405 and the two second sliders 406. A cutting shaft 408 is rotatably installed between the two first sliders 405. An adjusting rod 409 of a tubular structure is sleeved on the cutting shaft 408. The outer diameter of the adjusting rod 409 is consistent with the outer diameter of the auxiliary shaft 407. A cutting wheel 410 is fixedly installed on the outer wall of the adjusting rod 409. The support plate 401 is used to be inserted into the plug slot 102. Through the two The support plate 401 can be used to fix and support the mounting plate 402 and the cutting unit 403. The mounting plate 402 is used to install the cutting unit 403. The cutting unit 403 is used to realize the slitting of the lithium battery pole piece. The first slider 405 and the second slider 406 in the first slide groove 404 are both reciprocated by electric drive. When the first slider 405 and the second slider 406 move toward each other to the specified position, they will drive the four auxiliary shafts 407 to fit on the lithium battery pole piece. At this time, the upper and lower parts of the lithium battery pole piece are There are two auxiliary shafts 407 fitted together. The four auxiliary shafts 407 can clamp the lithium battery pole pieces and keep the lithium battery pole pieces in a taut state. The adjusting pressure rod 409 can drive the cutting wheel 410 to reciprocate on the cutting shaft 408. When the No. 1 slider 405 and the No. 2 slider 406 approach each other, the cutting wheel 410 will contact the lithium battery pole piece and rotate under the drive of the cutting shaft 408 to cut the lithium battery pole piece. The external position of the cutting wheel 410 can be adjusted according to the needs of the cutting size.

[0029] Both ends of the adjusting pressure rod 409 are threadedly connected with fixing bolts 411, an extrusion groove 412 is provided on the inner wall of the adjusting pressure rod 409, an elastic block 413 with an arc-shaped structure is fixedly installed on the inner wall of the extrusion groove 412, an inclined surface is provided on the top of the elastic block 413, one end of the fixing bolt 411 extends into the extrusion groove 412 and is provided with an inclined surface, one end of the fixing bolt 411 with the inclined surface contacts the inclined surface provided on the elastic block 413, an arc-shaped surface is provided at the bottom of the elastic block 413 and a plurality of fixed teeth are fixedly installed, a plurality of fixed tooth grooves are provided on the outer wall of the cutting shaft 408 and are evenly distributed along the circumference thereof, when the adjusting pressure rod 409 moves on the cutting shaft 408 After reaching the specified position, turn the fixing bolt 411 in the specified direction. After being turned, the fixing bolt 411 will move into the extrusion groove 412. The movement of the fixing bolt 411 will squeeze the elastic block 413 in the extrusion groove 412. The squeezed elastic block 413 will extend out of the extrusion groove 412 and contact the outer wall of the cutting shaft 408. The positioning of the adjusting pressure rod 409 can be achieved through the fixed teeth on the elastic block 413 and the fixed tooth grooves on the outer wall of the cutting shaft 408. At the same time, the adjusting pressure rod 409 and the cutting wheel 410 can be made to rotate synchronously with the rotation of the cutting shaft 408. A cutting motor is fixedly installed in the No. 1 slider 405, and the cutting motor drives the cutting shaft 408 to rotate.

[0030] A positioning shaft 414 is rotatably installed between the two No. 2 sliders 406. The positioning shaft 414 is located directly below the cutting shaft 408. An auxiliary pressure rod 415 with a tubular structure is sleeved on the positioning shaft 414. A cutting groove 416 with a circular ring structure is opened on the outer wall of the auxiliary pressure rod 415. The opening position of the cutting groove 416 corresponds to the installation position of the cutting wheel 410. The structure of the positioning shaft 414 corresponds to the structure of the cutting shaft 408. The internal structure of the auxiliary pressure rod 415 is consistent with the internal structure of the adjusting pressure rod 409. The auxiliary pressure rod 415 can move on the positioning shaft 414 and be fixed in the same fixing manner as the adjusting pressure rod 409. The positioning shaft A fixed tooth groove is also provided on the outer wall of 414, and the auxiliary pressure rod 415 is used to cooperate with the adjusting pressure rod 409. The adjustment position of the auxiliary pressure rod 415 is consistent with the adjusting pressure rod 409. When the four auxiliary shafts 407 are clamped on the lithium battery pole piece, the adjusting pressure rod 409 and the auxiliary pressure rod 415 will be clamped on the lithium battery pole piece synchronously. The cutting groove 416 on the auxiliary pressure rod 415 is used to cooperate with the cutting of the cutting wheel 410. By clamping the adjusting pressure rod 409 and the auxiliary pressure rod 415 and coordinating the uniform rotation of the cutting wheel 410, the lithium battery pole piece can be cut during the process of conveying and rolling the lithium battery pole piece, and the positioning shaft 414 is rotated by another positioning motor.

[0031] A second slide groove 417 is provided on the side wall of the mounting plate 402 and below the first slide groove 404. An auxiliary slider 418 is slidably installed in the second slide groove 417. The auxiliary slider 418 is in an L-shaped structure. One end of the auxiliary slider 418 extends out of the second slide groove 417. A guide shaft 419 is rotatably installed between the two auxiliary sliders 418. The auxiliary slider 418 is electrically driven to reciprocate in the second slide groove 417. The second slider 406 is used to drive the guide shaft 419 to rise and fall. The guide shaft 419 is used to separate the cut lithium battery pole pieces from the original lithium battery pole pieces.

[0032] A connecting shaft 420 is rotatably installed between the two auxiliary sliders 418 and below the guide shaft 419. Two grinding discs 421 are sleeved on the connecting shaft 420. A grinding layer is provided on the side of the two grinding discs 421 close to each other. The connecting shaft 420 is used to drive the grinding discs 421 to rotate. When in use, the two grinding discs 421 are adjusted to the specified position according to the width of the lithium battery pole pieces after slitting. At this time, the two grinding discs 421 are respectively in contact with the two sides of the lithium battery pole pieces after slitting. While the guide shaft 419 transports the lithium battery pole pieces, the two sides of the lithium battery pole pieces after slitting can be polished by the rotation of the two grinding discs 421 to remove burrs that may be generated after slitting. The grinding discs 421 are fixed by the same fixing structure as the adjusting pressure rod 409, and the connecting shaft 420 rotates by the grinding motor.

[0033] Both sides of the inner wall of the plug-in slot 102 are provided with fixed slide grooves 103, and a fixed block 104 is provided in the plug-in slot 102. The two fixed blocks 104 correspond to the two fixed slide grooves 103 one by one, and the fixed blocks 104 are slidably connected with the corresponding fixed slide grooves 103. An inclined surface is provided at the bottom of one end of the fixed block 104. The top and bottom of the support plate 401 are both convex structures. Two symmetrically arranged limit grooves 422 are provided at both ends of the support plate 401. The limit grooves 422 are provided with a plurality of symmetrically arranged limit grooves 422. An inclined surface is provided, and the fixing block 104 is inserted into the corresponding limiting groove 422. When the support plate 401 is inserted into the insertion groove 102, the fixing block 104 is pushed to move in a specified direction by an electric cylinder, so that the fixing block 104 can be inserted into the corresponding limiting groove 422. Since the inner walls of the fixing block 104 and the limiting groove 422 are provided with inclined surfaces, the insertion of the fixing block 104 can press the support plate 401, thereby improving the fixing effect of the support plate 401.

[0034] The specific working principle and use method of the present invention are explained in detail below: When in use, first, according to the slitting needs, a corresponding number of slitting racks 4 are inserted between the fixed rack 2 and the movable rack 3, and the lithium battery pole piece is introduced between the fixed roller and the movable roller on the fixed rack 2 for preliminary rolling. The lithium battery pole piece after rolling is passed through a corresponding number of slitting racks 4, and the No. 1 slider 405 and the No. 2 slider 406 on the slitting rack 4 are respectively located above and below the lithium battery pole piece. Finally, one end of the lithium battery pole piece is passed through any set of fixed rollers and movable rollers on the movable rack 3. At this time, the lithium battery pole piece is in a taut state, and the No. 1 slider 405 and the No. 2 slider are operated. 406 move toward each other. When the No. 1 slider 405 and the No. 2 slider 406 move toward each other to the specified position, they will drive the four auxiliary shafts 407 to fit on the lithium battery pole piece. At this time, there are two auxiliary shafts 407 fitted on the top and bottom of the lithium battery pole piece. The four auxiliary shafts 407 can clamp the lithium battery pole piece and keep the lithium battery pole piece in a taut state. The adjusting pressure rod 409 can drive the cutting wheel 410 to reciprocate on the cutting shaft 408. When the No. 1 slider 405 and the No. 2 slider 406 approach each other, the cutting wheel 410 will contact with the lithium battery pole piece and rotate under the drive of the cutting shaft 408 to cut the lithium battery pole piece.

[0035] The cut lithium battery pole pieces are separated by the guide shaft 419 on the cutting frame 4, and the cut lithium battery pole pieces are operated to pass through a designated set of fixed rollers and movable rollers on the movable frame 3. At this time, the cut lithium battery pole pieces can be separated and transported from each other by the two sets of fixed rollers and movable rollers on the movable frame 3. During the transportation, the cut lithium battery pole pieces can also be rolled for a second time.

[0036] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lithium battery pole piece rolling device with a slitting function, comprising a base (1), characterized in that: A fixed frame (2) with a U-shaped structure is fixedly installed at one end of the top of the base (1); a movable slide groove (101) is provided at the top of the base (1) and on one side of the fixed frame (2); a movable frame (3) with a U-shaped structure is provided at the top of the base (1); the bottom of the movable frame (3) is slidably connected to the movable slide groove (101); a group of roller shafts are rotatably installed on the fixed frame (2); and two groups of roller shafts are rotatably installed on the movable frame (3); A plurality of plug-in slots (102) are evenly distributed in a straight line on the top of the base (1) and located on both sides of the movable slide groove (101). The plug-in slots (102) on both sides of the movable slide groove (101) correspond to each other one by one. A plurality of slitting racks (4) are arranged on the base (1) and located between the fixed rack (2) and the movable rack (3). The plurality of slitting racks (4) are evenly distributed in a positive and negative alternating manner.

2. The lithium battery pole piece rolling device with cutting function according to claim 1, characterized in that: The slitting frame (4) is composed of a support plate (401) and a mounting plate (402). The support plate (401) is in a C-shaped structure and is provided with two. The two support plates (401) are arranged to face each other. Two mounting plates (402) are provided. The mounting plate (402) is fixedly connected to one end of the support plate (401). A first slide groove (404) is provided on one side of the two mounting plates (402) close to each other. A first slide block (405) and a second slide block (406) are slidably installed in the first slide groove (404). The second slide block (406) is arranged on the first slide groove. Below the first slider (405), the first slider (405) and the second slider (406) are both T-shaped structures, and two auxiliary shafts (407) are rotatably installed between the two first sliders (405) and the two second sliders (406). A cutting shaft (408) is rotatably installed between the two first sliders (405), and an adjusting pressure rod (409) with a circular tubular structure is sleeved on the cutting shaft (408). The outer diameter of the adjusting pressure rod (409) is consistent with the outer diameter of the auxiliary shaft (407), and a cutting wheel (410) is fixedly installed on the outer wall of the adjusting pressure rod (409).

3. The lithium battery pole piece rolling device with cutting function according to claim 2 is characterized in that: Both ends of the adjusting pressure rod (409) are threadedly connected with fixing bolts (411), an extrusion groove (412) is provided on the inner wall of the adjusting pressure rod (409), an elastic block (413) with an arc-shaped structure is fixedly installed on the inner wall of the extrusion groove (412), an inclined surface is provided on the top of the elastic block (413), one end of the fixing bolt (411) extends into the extrusion groove (412) and is provided with an inclined surface, one end of the fixing bolt (411) provided with the inclined surface contacts the inclined surface provided on the elastic block (413), an arc-shaped surface is provided at the bottom of the elastic block (413) and a plurality of fixed teeth are fixedly installed, and a plurality of fixed tooth grooves are provided on the outer wall of the cutting shaft (408) and are evenly distributed along its circumference.

4. The lithium battery pole piece rolling device with cutting function according to claim 3 is characterized in that: A positioning shaft (414) is rotatably installed between the two second sliders (406), and the positioning shaft (414) is located directly below the cutting shaft (408). An auxiliary pressure rod (415) with a tubular structure is sleeved on the positioning shaft (414), and a cutting groove (416) with a circular ring structure is opened on the outer wall of the auxiliary pressure rod (415). The opening position of the cutting groove (416) corresponds to the installation position of the cutting wheel (410), the structure of the positioning shaft (414) corresponds to the structure of the cutting shaft (408), and the internal structure of the auxiliary pressure rod (415) is consistent with the internal structure of the adjustment pressure rod (409).

5. The lithium battery pole piece rolling device with cutting function according to claim 2, characterized in that: A second slide groove (417) is provided on the side wall of the mounting plate (402) and is located below the first slide groove (404). An auxiliary slider (418) is slidably installed in the second slide groove (417). The auxiliary slider (418) is in an L-shaped structure. One end of the auxiliary slider (418) extends out of the second slide groove (417). A guide shaft (419) is rotatably installed between the two auxiliary sliders (418).

6. The lithium battery pole piece rolling device with cutting function according to claim 5, characterized in that: A linkage shaft (420) is rotatably mounted between the two auxiliary slide blocks (418) and below the guide shaft (419). Two grinding discs (421) are sleeved on the linkage shaft (420). A grinding layer is provided on the sides of the two grinding discs (421) that are close to each other.

7. The lithium battery pole piece rolling device with cutting function according to claim 2, characterized in that: Both sides of the inner wall of the plug-in slot (102) are provided with fixed slide grooves (103), a fixed block (104) is arranged in the plug-in slot (102), the two fixed blocks (104) correspond to the two fixed slide grooves (103) respectively, the fixed block (104) is slidably connected with the corresponding fixed slide grooves (103), an inclined surface is arranged at the bottom of one end of the fixed block (104), the top and bottom of the support plate (401) are both convex structures, two symmetrically arranged limit grooves (422) are arranged at both ends of the support plate (401), an inclined surface is arranged in the limit groove (422), and the fixed block (104) is inserted in the corresponding limit groove (422).

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