CN215704409U

CN215704409U - Lithium ion battery cathode material compaction equipment

Info

Publication number: CN215704409U
Application number: CN202121826976.6U
Authority: CN
Inventors: 周辰辰; 曹源
Original assignee: Sichuan Dongchen Technology Co ltd
Current assignee: Sichuan Dongchen Technology Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-02-01
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a lithium ion battery cathode material compacting device, and relates to the technical field of lithium battery production equipment. The utility model provides a lithium ion battery cathode material compaction equipment, includes the casing, the casing includes the bottom plate, the bottom plate top is connected with lower roller through the support rotation, lower roller one end is provided with the motor, the bottom plate top is provided with the baffle, baffle top fixed mounting has the slide rail, the slide rail is provided with two, baffle bottom movable mounting has last roller. According to the utility model, through the arranged lifting mechanism and the rotating handle, the rotating shaft is correspondingly rotated under the transmission action of the first bevel gear and the second bevel gear, and the adjusting rod can correspondingly adjust the height of the upper roller through the sliding block under the driving of the rotating shaft, so that the gap between the upper roller and the lower roller is changed, the operation is convenient and fast, and the production efficiency of the lithium battery electrode plate is improved to a certain extent.

Description

Lithium ion battery cathode material compaction equipment

Technical Field

The utility model relates to the technical field of lithium battery production equipment, in particular to compaction equipment for a lithium ion battery cathode material.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. The production process of the lithium battery mainly comprises four parts of sheet making, assembling, forming and detecting, the sheet making process mainly comprises batching, coating, compacting and electric welding, when a negative electrode material is made into a sheet, firstly, the electrode material is stirred, mixed and coated on the surface of a copper film, the copper film is uniformly rolled by compacting equipment after being dried by an oven, and finally, a lug is spot-welded on the lug.

For producing lithium batteries with different specifications, the requirements on the compaction density of electrode materials are different, two rollers in compaction equipment in the prior art are fixed, and the gap between the two rollers is inconvenient to adjust, so that the production efficiency of producing lithium battery electrode plates with different specifications is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium ion battery cathode material compacting device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a lithium ion battery cathode material compaction equipment, includes the casing, the casing includes the bottom plate, the bottom plate top is connected with down the roller through the rotate bracket, lower roller one end is provided with the motor, the bottom plate top is provided with the baffle, baffle top fixed mounting has the slide rail, the slide rail is provided with two, baffle bottom movable mounting has last roller, baffle top fixed mounting has elevating system, elevating system can adjust the roller height.

Preferably, elevating system includes the slider, slider bottom inboard with go up the roller both ends and rotate and be connected, slider sliding connection is in the slide rail inner wall, slider bottom swing joint has the regulation pole, the inside fixedly connected with pivot of regulation pole, the pivot both ends are rotated and are connected inside the casing, pivot one end fixed mounting has the worm wheel, the worm wheel top is provided with the worm, worm and worm wheel looks adaptation, worm one end fixed mounting has first bevel gear, the inside one side of casing is rotated and is connected with the second bevel gear, first bevel gear meshes with the second bevel gear mutually.

Preferably, the output end of the motor is fixedly provided with a first belt pulley, one end of the lower roller is fixedly provided with a second belt pulley, and the second belt pulley is rotatably connected to the first belt pulley through a belt.

Preferably, one end of the second bevel gear is fixedly provided with a rotating handle.

Preferably, the front surface and the back surface of the shell are respectively provided with a feeding hole and a discharging hole.

Preferably, the outer wall of the sliding rail is provided with an arc-shaped limiting groove.

Compared with the prior art, the utility model has the beneficial effects that:

this lithium ion battery cathode material compaction equipment through the elevating system who sets up, through rotating the handle, under the transmission of first bevel gear and second bevel gear, makes the pivot carry out corresponding rotation, and under the drive of pivot, the regulation pole can carry out corresponding adjustment through the height of slider with last roller to change the clearance between roller and the lower roller, it is comparatively convenient to operate, has improved lithium cell electrode slice's production efficiency to a certain extent.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a side view of the internal structure of the present invention;

fig. 4 is a schematic structural diagram of the lifting mechanism of the present invention.

In the figure: 1. a housing; 2. a lower roller; 3. an upper roller; 4. a motor; 5. a base plate; 6. a partition plate; 7. a lifting mechanism; 701. a slider; 702. adjusting a rod; 703. a rotating shaft; 704. a worm gear; 705. a worm; 706. a first bevel gear; 707. a second bevel gear; 8. rotating the handle; 9. a slide rail; 10. a first pulley; 11. a second pulley; 12. a belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1 to 4, the present invention provides a technical solution: a lithium ion battery cathode material compaction device comprises a shell 1, wherein a feed inlet and a discharge outlet are respectively arranged on the front surface and the back surface of the shell 1, the shell 1 comprises a bottom plate 5, the top of the bottom plate 5 is rotatably connected with a lower roller 2 through a bracket, one end of the lower roller 2 is provided with a motor 4, the motor 4 uses a speed reducing motor which is an integrated body of a speed reducer and the motor, the speed reducing motor has the characteristics of fine transmission ratio, wide selection range and wide rotating speed spectrum, the rotating speed requirement cannot be too high in the electrode sheet compaction process, and meanwhile, the motor 4 requires larger torque force, so that the speed reducing motor is more suitable, a first belt pulley 10 is fixedly arranged at the output end of the motor 4, a second belt pulley 11 is fixedly arranged at one end of the lower roller 2, and meanwhile, the second belt pulley 11 is rotatably connected with the first belt pulley 10 through a belt 12, the upper part of the bottom plate 5 is provided with a clapboard 6, the top part of the clapboard 6 is fixedly provided with a slide rail 9, the slide rail 9 is provided with two slide rails 9, the outer wall of the slide rail 9 is provided with an arc limiting groove, the bottom part of the clapboard 6 is movably provided with an upper roller 3, the upper roller 3 and a lower roller 2 are both cast by high manganese steel, the high manganese steel is alloy steel with the manganese content of more than 10 percent, the high manganese steel has the most important characteristic that the surface layer rapidly generates the processing and hardening phenomena under the conditions of strong impact and extrusion, so that the hardened layer has good wear resistance while the core part still keeps good toughness and plasticity of austenite, because the high manganese steel is frequently ground with hard materials as the roller, the roller surface changes and becomes worn after the normal metal is frequently ground, thereby the grinding effect is influenced, the characteristic of the high manganese steel is just suitable for being used as the manufacturing material of the roller, the top part of the clapboard 6 is fixedly provided with a lifting mechanism 7, the lifting mechanism 7 can adjust the height of the upper roller 3.

As shown in fig. 4, the lifting mechanism 7 includes a sliding block 701, the sliding block 701 is adapted to a sliding rail 9, wherein the inner side of the bottom end of the sliding block 701 is rotatably connected to two ends of the upper roller 3, the sliding block 701 is slidably connected to the inner wall of the sliding rail 9, an adjusting rod 702 is movably connected to the bottom end of the sliding block 701, a rotating shaft 703 is fixedly connected to the inside of the adjusting rod 702, two ends of the rotating shaft 703 are respectively rotatably connected to the inside of the housing 1, a worm wheel 704 is fixedly mounted at one end of the rotating shaft 703, a worm 705 is disposed at the top of the worm wheel 704, the worm 705 is adapted to the worm wheel 704, the worm and gear structure is commonly used to transmit the motion and power between two staggered shafts, the worm and gear structure has the characteristic of self-locking, when the lead angle of the worm is smaller than the equivalent friction angle between the meshing wheel teeth, the mechanism has self-locking property, can realize reverse self-locking, i.e. only the worm drives the worm wheel, but cannot be driven by the worm wheel, therefore, after the height of the upper roller 3 is adjusted, the height of the upper roller 3 cannot be changed due to the magnitude of the compaction force in the compaction process, meanwhile, the worm 705 is also rotatably connected inside the housing 1, a first bevel gear 706 is fixedly installed at one end of the worm 705, a second bevel gear 707 is rotatably connected to one side inside the housing 1, the first bevel gear 706 is meshed with the second bevel gear 707, a rotating handle 8 is fixedly installed at one end of the second bevel gear 707, the worm 705 and the worm wheel 704 are driven to rotate through the rotation of the rotating handle 8 after the transmission of the first bevel gear 706 and the second bevel gear 707, and finally, the adjusting rod 702 on the rotating shaft 703 is rotated, so that the height of the upper roller 3 is changed.

The working principle is as follows: firstly, the rotating handle 8 is rotated, the worm 705 is rotated under the transmission of the first bevel gear 706 and the second bevel gear 707, the worm 705 drives the worm wheel 704 to rotate, so that the rotating shaft 703 rotates, the adjusting rod 702 is driven by the rotating shaft 703 to correspondingly adjust the lifting of the sliding block 701, so that the height of the upper roller column 3 is changed, and the equipment is started after the required height is adjusted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium ion battery cathode material compaction equipment, includes casing (1), casing (1) includes bottom plate (5), bottom plate (5) top is connected with lower roller (2) through the rotate bracket, lower roller (2) one end is provided with motor (4), bottom plate (5) top is provided with baffle (6), its characterized in that: baffle (6) top fixed mounting has slide rail (9), slide rail (9) are provided with two, baffle (6) bottom movable mounting has last roller (3), baffle (6) top fixed mounting has elevating system (7), roller (3) height can be adjusted in elevating system (7).

2. The lithium ion battery negative electrode material compacting device according to claim 1, characterized in that: elevating system (7) include slider (701), slider (701) bottom inboard is rotated with last roller (3) both ends and is connected, slider (701) sliding connection is in slide rail (9) inner wall, slider (701) bottom swing joint has regulation pole (702), adjust inside fixedly connected with pivot (703) of pole (702), pivot (703) both ends are rotated and are connected inside casing (1), pivot (703) one end fixed mounting has worm wheel (704), worm wheel (704) top is provided with worm (705), worm (705) and worm wheel (704) looks adaptation, worm (705) one end fixed mounting has first bevel gear (706), the inside one side of casing (1) is rotated and is connected with second bevel gear (707), first bevel gear (706) and second bevel gear (707) mesh mutually.

3. The lithium ion battery negative electrode material compacting device according to claim 1, characterized in that: motor (4) output end fixed mounting has first belt pulley (10), lower roller (2) one end fixed mounting has second belt pulley (11), second belt pulley (11) rotate through belt (12) and connect in first belt pulley (10).

4. The lithium ion battery negative electrode material compacting device according to claim 2, characterized in that: one end of the second bevel gear (707) is fixedly provided with a rotating handle (8).

5. The lithium ion battery negative electrode material compacting device according to claim 1, characterized in that: the front surface and the back surface of the shell (1) are respectively provided with a feeding hole and a discharging hole.

6. The lithium ion battery negative electrode material compacting device according to claim 1, characterized in that: the outer wall of the sliding rail (9) is provided with an arc-shaped limiting groove.