Rolling device for lithium battery cell production

Abstract

The utility model discloses a rolling device for producing a lithium battery cell, and belongs to the technical field of battery cell production. The top end of the vertical plate is provided with an opening, the bottom surface of the opening is provided with an insertion hole, one side of the vertical plate is provided with the fixed plate, one side of the fixed plate is provided with a sliding groove, the fixed plate is rotatably connected with a first compression roller, the bottom end of the fixed plate is connected with a bottom plate, and the top surface of the bottom plate is provided with a clamping groove; a supporting assembly is in sliding fit with the sliding grooves and comprises a supporting plate, sliding strips are arranged at the two ends of the supporting plate, and second springs are arranged on the top faces of the sliding strips. Through the cooperation of the supporting assembly, the rolling assembly and the adjusting screw rod, the first pressing roller and the second pressing roller can uniformly apply pressure, so that the consistency and uniformity of a battery cell material in the pressing process are ensured, the pressing pressure can be flexibly adjusted through the adjusting screw rod, the supporting plate can be conveniently taken out from the bottom plate, and the production efficiency is improved. The first compression roller and the second compression roller are convenient to disassemble and clean, and the maintenance efficiency of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery production, in particular to a rolling device for lithium battery production. BACKGROUND

[0002] With the rapid development of new energy vehicles and portable electronic devices, the demand for lithium batteries is increasing. One of the core components of lithium batteries is lithium battery cells, and their production process involves multiple complex process steps. The rolling device is one of the indispensable key equipment in the production of lithium battery cells. Through the rolling process, the positive and negative electrode material powder and the binder can be fully mixed, and the thin sheet of a certain thickness and density can be pressed. This is crucial to ensure the electrical conductivity and structural stability of the battery cell. SUMMARY

[0003] The utility model aims at providing a rolling device for lithium battery production. Through the cooperation of the support assembly, the rolling assembly and the adjusting screw, the first and second pressure rollers can uniformly apply pressure, ensuring the consistency and uniformity of the battery material during the pressing process. The adjusting screw can be used to flexibly adjust the pressing pressure to meet the pressing needs of different specifications of battery material, ensuring that the material remains stable during the pressing process and reducing material deformation. The support plate is easy to remove from the bottom plate, making it easy to disassemble and clean the first and second pressure rollers, and improving the maintenance efficiency of the equipment.

[0004] The utility model is implemented through the following technical solutions:

[0005] The utility model relates to a rolling device for lithium battery production, which comprises a vertical plate, a fixed plate, a rolling assembly and a first spring vertical plate top. An opening is provided at the bottom of the opening, and a jack is provided at the bottom of the opening. A fixed plate is installed on one side of the vertical plate, and a sliding groove is provided on one side of the fixed plate. A first pressure roller is rotatably connected to the fixed plate, and a bottom plate is connected to the bottom end of the fixed plate. A clamping groove is provided on the top surface of the bottom plate. A support assembly is slidably connected to the sliding groove, and the support assembly comprises a support plate. Sliding strips are provided at both ends of the support plate, and second springs are provided on the top surface of the sliding strips. Card blocks are provided at both sides of the bottom end of the support plate.

[0006] The rolling assembly comprises a mounting block, which is slidably connected to the opening end of the vertical plate. A second pressure roller is rotatably connected to one side of the mounting block. A plug rod is provided at the bottom end of the mounting block. A first spring is sleeved on the plug rod. The bottom end of the first spring is in contact with the top surface of the opening. A fixed block is installed at the top end of the opening. An adjusting screw is threadedly connected to the fixed block.

[0007] Further, the number of vertical plates and fixed plates is two. The fixed plate is in contact with one side of the outer wall of the vertical plate. The sliding grooves provided on the two fixed plates are oppositely arranged. The sliding strips at both ends of the support plate are slidably connected to the sliding grooves.

[0008] Further, the chute is provided with a limiting block at one end, and the one end of the slide bar abuts against one side of the limiting block, the width of the cross section of the chute is greater than the width of the slide bar, and the support plate is arranged in an inverted U shape.

[0009] Further, the clamping blocks are arranged in a zigzag shape at the bottom of the two extending ends of the support plate, the support plate is inserted and arranged in the clamping groove through the clamping blocks, and the two sides of the support plate abut against one side of the two fixed plates, respectively.

[0010] Further, the number of the mounting blocks is two, the two mounting blocks are arranged at the two ends of the second compression roller, respectively, the mounting blocks are inserted and arranged in the insertion holes through the insertion rods, sliding grooves are formed at the two ends of the mounting blocks, guide strips are arranged on the open side walls of the vertical plates, the sliding grooves at the two ends of the mounting blocks are slidably fitted on the guide strips, and the first springs are located between the mounting blocks and the openings of the vertical plates.

[0011] Further, the adjusting screw is provided with a handle at the top end, the handle and the adjusting screw are combined in a T shape, threaded holes are formed through the fixed block, the top end of the adjusting screw is threadedly connected to the fixed block through the threaded holes, and the bottom end of the adjusting screw abuts against the top surface of the mounting block.

[0012] The utility model has the following beneficial effects:

[0013] The utility model discloses a supporting assembly, a roller pressing assembly and an adjusting screw cooperate, the first compression roller and the second compression roller can uniformly exert pressure, thereby ensuring the consistency and uniformity of the battery material in the pressing process, the pressing pressure can be flexibly adjusted through the adjusting screw, the pressing requirement of different specifications of battery materials is satisfied, the material is kept stable in the pressing process, material deformation is reduced, the support plate is convenient to take out from the bottom plate, the first compression roller and the second compression roller are convenient to disassemble and clean, and the maintenance efficiency of equipment is improved.

[0014] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. DRAWINGS

[0015] Figure 1 It is a structural schematic view of the roller pressing device;

[0016] Figure 2 It is a structural schematic view of the fixed plate, the chute, the supporting assembly, the first spring, the bottom plate and the clamping groove;

[0017] Figure 3 It is an internal structural schematic view of the roller pressing device;

[0018] Figure 4 It is an explosion structural schematic view of the roller pressing device.

[0019] In the figure: 1, vertical plate; 2, jack; 3, fixed plate; 4, sliding groove; 5, first compression roller; 6, support assembly; 601, support plate; 602, sliding bar; 603, clamping block; 7, roller assembly; 701, mounting block; 702, second compression roller; 703, insertion rod; 8, first spring; 9, fixed block; 10, adjusting screw; 11, bottom plate; 12, clamping groove; 13, second spring. DETAILED DESCRIPTION

[0020] 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.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of roller device for lithium battery cell production, including vertical plate 1, fixed plate 3, roller assembly 7 and first spring 8 vertical plate 1 top is provided with opening, opening bottom surface is provided with jack 2, vertical plate 1 side is equipped with fixed plate 3, fixed plate 3 side is provided with sliding groove 4, and first compression roller 5 is rotatably connected on fixed plate 3, and fixed plate 3 bottom end is connected with bottom plate 11, and the top surface of bottom plate 11 is provided with clamping groove 12, and sliding groove 4 is slidably matched with support assembly 6, and support assembly 6 includes support plate 601, and the sliding groove 4 provided on the two fixed plates 3 is oppositely arranged, and the sliding bar 602 of support plate 601 both ends is slidably matched in sliding groove 4, and support plate 601 both ends is provided with sliding bar 602, and one end of sliding bar 602 is abutted and arranged on one side of limit block, allows support assembly 6 to move in sliding groove 4, and the maximum sliding distance of support assembly 6 is limited, and the width of the section of sliding groove 4 is greater than the width of sliding bar 602, and support plate 601 is arranged in inverted "U" shape, and the top surface of sliding bar 602 is provided with second spring 13, provides additional pressure, helps support assembly 6 to keep stable, and the bottom of support plate 601 both sides is provided with clamping block 603, and clamping block 603 is arranged in zigzag in the bottom of the two extension ends of support plate 601, and support plate 601 is inserted and arranged in clamping groove 12 by clamping block 603, to ensure the stability of support plate 601 in vertical direction, and the two sides of support plate 601 are respectively abutted and arranged on one side of two fixed plates 3.

[0022] The roller assembly 7 comprises a mounting block 701 which is slidingly fitted at one end of the open end of the stand 1, the mounting block 701 has a second compression roller 702 rotatably connected at one side, and the bottom end of the mounting block 701 is provided with a plug rod 703, the plug rod 703 is provided with a first spring 8, the bottom end of the first spring 8 is abuttingly arranged on the open top surface of the insertion hole 2, so as to ensure that the spring always provides support during the rolling process, the number of mounting blocks 701 is two, and the two mounting blocks 701 are respectively arranged at the two ends of the second compression roller 702, one end of the second compression roller 702 is connected with a shaft which extends to the outside of the mounting hole, and a driver is externally connected with the shaft which extends to the outside, so as to drive the second compression roller 702, the mounting block 701 is insertedly arranged in the insertion hole 2 through the plug rod 703, sliding grooves are formed at the two ends of the mounting block 701, the roller assembly 7 is responsible for pressing the positive and negative materials to form a sheet, the open sidewall of the stand 1 is provided with a guide strip, the sliding grooves at the two ends of the mounting block 701 are slidingly fitted on the guide strip, and the mounting block 701 can move along the open end of the stand 1, so as to adjust and press the pressure, the first spring 8 is located between the mounting block 701 and the opening of the stand 1, a fixed block 9 is arranged at the open top end of the insertion hole 2, an adjusting screw 10 is threadedly connected with the fixed block 9, a handle is arranged at the top end of the adjusting screw 10, the handle and the adjusting screw 10 are combined in a "T" shape, a threaded hole is formed through the fixed block 9, the top end of the adjusting screw 10 is threadedly connected with the fixed block 9 through the threaded hole, and the bottom end of the adjusting screw 10 is abuttingly arranged on the top surface of the mounting block 701, so as to adjust the position of the fixed block 9 by rotating the adjusting screw 10, so as to change the compression amount of the first spring 8, and then adjust the rolling pressure;

[0023] The operator rotates the adjusting screw 10, the bottom end of the adjusting screw 10 is abuttingly arranged on the top surface of the mounting block 701, so that the mounting block 701 can move along the open end of the stand 1, so as to adjust the position of the second compression roller 702 to control the pressing pressure, and then the driver drives the second compression roller 702 and the two first compression rollers 5 to cooperate with each other to roll the material of the battery cell, the first spring 8 provides a constant support during the rolling process, so as to ensure that the material is uniformly pressed during the pressing process, and the uniformity and consistency of the material during the pressing process are ensured, the arrangement of the supporting assembly 6 and the adjusting screw 10 enables the operator to flexibly adjust the pressing parameters, so as to meet the pressing requirements of different specifications of the material of the battery cell, and the accuracy and efficiency of the pressing process are ensured, the supporting assembly 6 can slide up and down in the sliding groove 4, the design of the inverted "U"-shaped supporting plate 601 and the sawtooth-shaped clamping block 603 is to lift the supporting plate 601 upward, then take out the clamping block 603 from the bottom plate 11, pull out the sliding strip 602 from the sliding groove 4, and then separate the two stands 1 and the fixed plate 3, so as to facilitate the disassembly of the first compression roller 5 and the second compression roller 702, and facilitate the cleaning and maintenance work.

[0024] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A rolling device for lithium battery cell production, comprising a vertical plate (1) and a fixed plate (3), characterized in that: The top end of the vertical plate (1) is provided with an opening, the bottom surface of the opening is provided with a insertion hole (2), one side of the vertical plate (1) is provided with a fixed plate (3), one side of the fixed plate (3) is provided with a sliding groove (4), the fixed plate (3) is rotatably connected with a first compression roller (5), the bottom end of the fixed plate (3) is connected with a bottom plate (11), the top surface of the bottom plate (11) is provided with a clamping groove (12), the sliding groove (4) is slidably connected with a supporting assembly (6), the supporting assembly (6) comprises a supporting plate (601), both ends of the supporting plate (601) are provided with sliding strips (602), the top surface of the sliding strip (602) is provided with a second spring (13), both sides of the bottom end of the supporting plate (601) are provided with clamping blocks (603). It also comprises a roller pressing assembly (7) and a first spring (8), the roller pressing assembly (7) comprises a mounting block (701), one end of the mounting block (701) is slidably connected with the opening end of the vertical plate (1), one side of the mounting block (701) is rotatably connected with a second compression roller (702), the bottom end of the mounting block (701) is provided with an insertion rod (703), the insertion rod (703) is sleeved with the first spring (8), the bottom end of the first spring (8) is abuttingly arranged on the top surface of the opening of the insertion hole (2), the opening top end of the insertion hole (2) is provided with a fixed block (9), the fixed block (9) is threadedly connected with an adjusting screw rod (10).

2. The rolling device for lithium battery cell production according to claim 1, characterized in that, The number of the vertical plate (1) and the fixed plate (3) is two, the fixed plate (3) is abuttingly arranged on one side of the outer wall of the vertical plate (1), the sliding grooves (4) provided on the two fixed plates (3) are oppositely arranged, and the sliding strips (602) at both ends of the supporting plate (601) are slidably connected in the sliding grooves (4).

3. The rolling device for lithium battery cell production according to claim 2, characterized in that, One end of the sliding groove (4) is provided with a limiting block, one end of the sliding strip (602) is abuttingly arranged on one side of the limiting block, the width of the cross section of the sliding groove (4) is greater than the width of the sliding strip (602), and the supporting plate (601) is arranged in an inverted "U" shape.

4. The rolling device for lithium battery cell production according to claim 3, characterized in that, The clamping blocks (603) are arranged in a zigzag shape at the bottom of the two extending ends of the supporting plate (601), the supporting plate (601) is insertedly arranged in the clamping groove (12) through the clamping blocks (603), and the supporting plate (601) is abuttingly arranged on one side of the two fixed plates (3) respectively.

5. The rolling device for lithium battery cell production according to claim 1, characterized in that, The number of the mounting block (701) is two, the two mounting blocks (701) are arranged at both ends of the second compression roller (702) respectively, the mounting block (701) is insertedly arranged in the insertion hole (2) through the insertion rod (703), sliding grooves are formed at both ends of the mounting block (701), the opening side wall of the vertical plate (1) is provided with a guide strip, the sliding grooves at both ends of the mounting block (701) are slidably connected on the guide strip, and the first spring (8) is located between the mounting block (701) and the opening of the vertical plate (1).

6. The rolling device for lithium battery cell production according to claim 1, characterized in that, The adjusting screw (10) is provided with a handle at the top end, the handle and the adjusting screw (10) are combined as a "T" shape, a threaded hole is formed through the fixing block (9), the top end of the adjusting screw (10) is screwed on the fixing block (9) through the threaded hole, and the bottom end of the adjusting screw (10) abuts against the top surface of the mounting block (701).

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