Negative electrode lithium strip rolling device

Abstract

The utility model discloses a negative electrode lithium strip rolling device which comprises a rolling frame, a supporting frame is arranged in the middle of the top end of the rolling frame, a groove is formed in the side wall of the supporting frame, an air cylinder is fixedly installed in the middle of the top end of the supporting frame, and the bottom of the air cylinder is fixedly connected with a lifting base. The inner side of the bottom of the lifting base is rotationally connected with a pressing roller, and a guide block is fixedly installed on the side wall of the lifting base. Through combined use of the air cylinder, the lifting seat and the guide block, the position height of the compression roller can be conveniently adjusted subsequently according to actual rolling requirements, so that subsequent better rolling treatment on a lithium strip is facilitated, the rolling efficiency and effect are improved, when the air cylinder works, the lifting seat fixedly connected with the bottom of the air cylinder is always pushed, and the rolling effect is improved. And then the lifting seat longitudinally moves to realize adjustment of the longitudinal position of the compression roller, so that subsequent better rolling treatment on the lithium strip is facilitated, and the arranged guide block can improve the stability of the lifting seat in the longitudinal movement process.

Description

Technical Field

[0001] The utility model relates to the field of negative electrode lithium strip rolling devices, in particular to a negative electrode lithium strip rolling device. Background Art

[0002] Lithium ribbon is a thin strip of metal material made of pure lithium or lithium aluminum alloy. Lithium ribbon is also a battery material, usually used as a negative electrode material of the battery to separate the anode and cathode of the battery. It has higher electrochemical capacity and energy density, which can make the battery have higher energy storage capacity;

[0003] At present, when processing lithium ribbons, most of them use pressing rollers to roll the lithium ribbons. However, it is difficult to adjust the position height of the pressing rollers according to the actual thickness of the lithium ribbons during use, which will lead to certain limitations in the subsequent rolling of lithium ribbons of different thicknesses. It is difficult to effectively achieve sufficient rolling of lithium ribbons of different thicknesses, and the practicality is poor. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a negative electrode lithium strip rolling device, which can solve the problem that most of the current negative electrode lithium strip rolling devices use a pressing roller to roll the lithium strip when processing the lithium strip, but the current pressing roller is difficult to adjust the position height of the pressing roller according to the actual thickness of the lithium strip when in use, which will lead to certain limitations in the subsequent rolling of lithium strips of different thicknesses, and it is difficult to effectively achieve sufficient rolling of lithium strips of different thicknesses, resulting in poor practicality. Technical problems.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: a negative electrode lithium strip rolling device, comprising a rolling frame, a support frame is arranged in the middle of the top of the rolling frame, and a groove is opened on the side wall of the support frame, a cylinder is fixedly installed in the middle of the top of the support frame, and a lifting seat is fixedly connected to the bottom of the cylinder, a pressure roller is rotatably connected to the inner side of the bottom of the lifting seat, a guide block is fixedly installed on the side wall of the lifting seat, a guide rod is fixedly installed on one side of the top of the lifting seat, a support leg is welded and connected at the bottom corner of the rolling frame, a first auxiliary roller is rotatably connected to the middle of the inner side of the rolling frame, and a second auxiliary roller is distributed on one side of the first auxiliary roller, and an auxiliary structure is distributed on one side of the support frame.

[0006] As a preferred technical solution of the utility model, the auxiliary structure includes a movable rod, an adjustment plate, a limit block, a return spring and a limit roller. The movable rod runs through the side wall of the roller pressure frame, and one end of the movable rod is fixedly connected to the adjustment plate, the other end of the movable rod is fixedly installed with a limit block, and the top upper surface of the limit block is fixedly connected to the return spring, and the bottom of one side of the adjustment plate is connected to the limit roller.

[0007] As a preferred technical solution of the present utility model, the grooves are symmetrically distributed along the vertical center line of the support frame, and the grooves and the support frame form an integrated structure.

[0008] As a preferred technical solution of the utility model, the lifting seat is slidably connected to the support frame through the guide rods, and the guide rods are symmetrically distributed along the vertical center line of the lifting seat.

[0009] As a preferred technical solution of the utility model, the second auxiliary roller is rotatably connected to the roller pressing frame via a rotating shaft, and the second auxiliary rollers are equidistantly distributed on the inner side wall of the roller pressing frame.

[0010] As a preferred technical solution of the utility model, the adjustment plate is slidably connected to the roller frame through the movable rods, and the movable rods are equidistantly distributed on the bottom of the adjustment plate.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. By using the combination of the provided cylinder, lifting seat and guide block, it is convenient to adjust the position height of the pressure roller according to the actual rolling requirements, so as to facilitate the subsequent better rolling processing of the lithium strip and improve the efficiency and effect of rolling. When the cylinder is working, it will always push the lifting seat fixedly connected to its bottom, and then the lifting seat moves longitudinally to adjust the longitudinal position of the pressure roller, so as to facilitate the subsequent better rolling processing of the lithium strip, and the provided guide block can improve the stability of the lifting seat during the longitudinal movement;

[0013] 2. By using the reset spring, the adjustment plate and the limit roller in combination, the subsequent auxiliary lithium belt can be conveniently transported horizontally, so that the subsequent lithium belt can be better rolled. When the adjustment plate moves longitudinally, the reset spring will be deformed to generate a reverse force. The reverse force can then be used to achieve the longitudinal reset of the adjustment plate, and then the adjustment plate drives the limit roller to move accordingly, thereby achieving auxiliary transportation of the lithium belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the negative electrode lithium belt rolling device of the utility model;

[0015] Figure 2 This is a bottom view structural diagram of a roller pressing frame of a negative electrode lithium strip roller pressing device of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the roller pressing frame of the negative electrode lithium strip roller pressing device of the utility model;

[0017] Figure 4 This is a side structural schematic diagram of the support frame of the negative electrode lithium belt rolling device of the utility model;

[0018] Among them: 1. Roller pressing frame; 2. Support frame; 3. Groove; 4. Cylinder; 5. Lifting seat; 6. Pressing roller; 7. Guide block; 8. Guide rod; 9. Support leg; 10. First auxiliary roller; 11. Second auxiliary roller; 12. Movable rod; 13. Adjustment plate; 14. Limit block; 15. Reset spring; 16. Limit roller. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] Example

[0021] Please refer to Figure 1 , Figure 2 and Figure 3 As shown, the utility model provides a negative electrode lithium strip rolling device, including a rolling frame 1, a support frame 2 is arranged at the middle of the top of the rolling frame 1, and a groove 3 is opened on the side wall of the support frame 2, a cylinder 4 is fixedly installed at the middle of the top of the support frame 2, and a lifting seat 5 is fixedly connected to the bottom of the cylinder 4, a pressing roller 6 is rotatably connected to the inner side of the bottom of the lifting seat 5, a guide block 7 is fixedly installed on the side wall of the lifting seat 5, a guide rod 8 is fixedly installed on one side of the top of the lifting seat 5, a support leg 9 is welded and connected at the bottom corner of the rolling frame 1, a first auxiliary roller 10 is rotatably connected to the middle of the inner side of the rolling frame 1, and a second auxiliary roller 11 is distributed on one side of the first auxiliary roller 10, the second auxiliary roller 11 is rotatably connected to the rolling frame 1 through a rotating shaft, and the second auxiliary rollers 11 are equidistantly distributed on the inner side wall of the rolling frame 1, and an auxiliary structure is distributed on one side of the support frame 2;

[0022] When in use, the lithium strip to be rolled is placed on the upper surface of the rolling frame 1, and then the first auxiliary roller 10 is rotated by a motor fixedly installed on the side wall of the rolling frame 1, and then the first auxiliary roller 10 is rotated to realize the lateral conveyance of the lithium strip, and the pressure roller 6 is cooperated to realize the effective rolling treatment of the lithium strip, and the second auxiliary roller 11 can assist the lateral conveyance of the lithium strip;

[0023] As a further implementation of this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a support frame 2 is provided at the middle of the top of the roller press frame 1, and a groove 3 is provided on the side wall of the support frame 2, the groove 3 is symmetrically distributed along the vertical center line of the support frame 2, and the groove 3 and the support frame 2 form an integrated structure, a cylinder 4 is fixedly installed at the middle of the top of the support frame 2, and a lifting seat 5 is fixedly connected to the bottom of the cylinder 4, the lifting seat 5 is slidably connected to the support frame 2 through a guide rod 8, and the guide rod 8 is symmetrically distributed along the vertical center line of the lifting seat 5, a pressure roller 6 is rotatably connected to the inner side of the bottom of the lifting seat 5, a guide block 7 is fixedly installed on the side wall of the lifting seat 5, and a top side of the lifting seat 5 is fixedly installed A guide rod 8, an auxiliary structure is distributed on one side of the support frame 2, the auxiliary structure includes a movable rod 12, an adjustment plate 13, a limit block 14, a return spring 15 and a limit roller 16, the movable rod 12 runs through the side wall of the roller press frame 1, and one end of the movable rod 12 is fixedly connected to the adjustment plate 13, the adjustment plate 13 is slidably connected to the roller press frame 1 through the movable rod 12, and the movable rod 12 is equidistantly distributed at the bottom of the adjustment plate 13, the other end of the movable rod 12 is fixedly installed with a limit block 14, and the top upper surface of the limit block 14 is fixedly connected with a return spring 15, and the bottom of one side of the adjustment plate 13 is connected to a limit roller 16;

[0024] When the lithium strip is conveyed to the upper surface of the first auxiliary roller 10, the cylinder 4 works to push the lifting seat 5 fixedly connected to its bottom longitudinally, and then the lifting seat 5 drives the guide blocks 7 symmetrically installed on both sides to slide longitudinally along the groove 3, thereby improving the stability of the lifting seat 5 during the longitudinal movement. Subsequently, the longitudinal movement of the lifting seat 5 can realize the adjustment of the longitudinal position height of the pressure roller 6, so that it is convenient to use the pressure roller 6 to better roll the lithium strip. At the same time, when the lifting seat 5 moves longitudinally, the guide rod 8 will also move longitudinally along the support frame 2, so as to further realize the longitudinal movement of the lifting seat 5. Stability, and when the lithium belt is being transported laterally, the reverse force generated by the deformation of the reset spring 15 will drive the limit block 14 to reset longitudinally, and then the limit block 14 will drive the movable rod 12 to move longitudinally, so that the movable rod 12 will pull the adjustment plate 13 longitudinally to achieve the longitudinal reset of the adjustment plate 13, and then after the adjustment plate 13 moves to a certain position, the limit roller 16 will fit the surface of the lithium belt, and then the combination of the multiple limit rollers 16 and the second auxiliary roller 11 can realize the auxiliary conveying processing of the lithium belt, so as to prevent the lithium belt from deviating during the lateral conveying process, thereby affecting the subsequent normal rolling processing of the lithium belt;

[0025] Specific working principle:

[0026] First, the lithium belt is placed on the upper surface of the roller pressing frame 1, and then the second auxiliary roller 11 is set to realize the lateral auxiliary conveying processing of the lithium belt. When the lithium belt is conveyed to the upper surface of the first auxiliary roller 10, the cylinder 4 works to push the lifting seat 5 fixedly connected at its bottom longitudinally, and then the lifting seat 5 drives the guide blocks 7 symmetrically installed on both sides to slide longitudinally along the groove 3, thereby improving the stability of the lifting seat 5 during the longitudinal movement. Subsequently, the longitudinal movement of the lifting seat 5 will realize the adjustment of the longitudinal position height of the pressure roller 6, so that it is convenient to use the pressure roller 6 to better roll the lithium belt in the subsequent process. At the same time, when the lifting seat 5 moves longitudinally, the guide rod 8 will also move longitudinally along the support frame 2 , thereby further achieving the stability of the lifting seat 5 during the longitudinal movement, and when the lithium belt is being transported laterally, the reverse force generated by the deformation of the reset spring 15 will drive the limit block 14 to perform longitudinal reset, and then the limit block 14 will drive the movable rod 12 to perform longitudinal movement, thereby causing the movable rod 12 to longitudinally pull the adjustment plate 13 to achieve the longitudinal reset of the adjustment plate 13, and then after the adjustment plate 13 moves to a certain position, the limit roller 16 will fit the surface of the lithium belt, and then the combination of the plurality of limit rollers 16 and the second auxiliary roller 11 can achieve auxiliary conveying processing of the lithium belt, thereby preventing the lithium belt from deviating during the lateral conveying process, thereby affecting the subsequent normal rolling processing of the lithium belt.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A negative electrode lithium strip rolling device, comprising a rolling frame (1), characterized in that: A support frame (2) is provided at the middle of the top of the roller pressing frame (1), and a groove (3) is provided on the side wall of the support frame (2); a cylinder (4) is fixedly installed at the middle of the top of the support frame (2), and a lifting seat (5) is fixedly connected to the bottom of the cylinder (4); a pressure roller (6) is rotatably connected to the inner side of the bottom of the lifting seat (5); a guide block (7) is fixedly installed on the side wall of the lifting seat (5); a guide rod (8) is fixedly installed on one side of the top of the lifting seat (5); a support leg (9) is welded and connected at the bottom corner of the roller pressing frame (1); a first auxiliary roller (10) is rotatably connected to the middle of the inner side of the roller pressing frame (1), and a second auxiliary roller (11) is distributed on one side of the first auxiliary roller (10); and an auxiliary structure is distributed on one side of the support frame (2).

2. A negative electrode lithium strip rolling device according to claim 1, characterized in that: The auxiliary structure comprises a movable rod (12), an adjustment plate (13), a limit block (14), a return spring (15) and a limit roller (16); the movable rod (12) passes through the side wall of the roller press frame (1), and one end of the movable rod (12) is fixedly connected to the adjustment plate (13); the other end of the movable rod (12) is fixedly installed with a limit block (14), and the top upper surface of the limit block (14) is fixedly connected to the return spring (15); and the bottom of one side of the adjustment plate (13) is connected to the limit roller (16).

3. A negative electrode lithium strip rolling device according to claim 1, characterized in that: The grooves (3) are symmetrically distributed along the vertical center line of the support frame (2), and the grooves (3) and the support frame (2) form an integrated structure.

4. A negative electrode lithium strip rolling device according to claim 1, characterized in that: The lifting seat (5) is slidably connected to the support frame (2) via the guide rod (8), and the guide rod (8) is symmetrically distributed along the vertical center line of the lifting seat (5).

5. The negative electrode lithium strip rolling device according to claim 1, characterized in that: The second auxiliary roller (11) is rotatably connected to the roller pressing frame (1) via a rotating shaft, and the second auxiliary rollers (11) are equidistantly distributed on the inner side wall of the roller pressing frame (1).

6. A negative electrode lithium strip rolling device according to claim 2, characterized in that: The adjustment plate (13) is slidably connected to the roller press frame (1) via the movable rods (12), and the movable rods (12) are equidistantly distributed at the bottom of the adjustment plate (13).

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