CN216064847U

CN216064847U - Pole piece tabletting device for lithium battery production

Info

Publication number: CN216064847U
Application number: CN202122220209.7U
Authority: CN
Inventors: 宋正根
Original assignee: Shanghai Hewan Electronic Technology Co ltd
Current assignee: Shanghai Hewan Electronic Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-18
Anticipated expiration: 2031-09-14

Abstract

The utility model provides a pole piece tabletting device for lithium battery production, which belongs to the technical field of battery production equipment and aims to solve the problem that a tabletting mechanism cannot adjust the pressure of pole piece production under different conditions and reduce the production efficiency of pole piece tabletting; the downward pressure of the upper compression roller can be adjusted through the pressurizing mechanism, and the pressure of the pole piece pressing sheet can be adjusted under different conditions.

Description

Pole piece tabletting device for lithium battery production

Technical Field

The utility model belongs to the technical field of battery production equipment, and particularly relates to a pole piece tabletting device for lithium battery production.

Background

The lithium battery is a battery which uses non-aqueous electrolyte solution and has lithium metal or lithium alloy as positive and negative electrode materials, the lithium metal is a metal with very active chemical characteristics, and therefore, the lithium metal has high requirements on processing and production.

For example, the utility model with the application number of CN202021033938.0 discloses a pole piece tabletting mechanism for producing lithium batteries, which comprises a table plate, a lifting plate, a first upper pressing roller, a first motor, a lead screw, a T-shaped lifting block, a second upper pressing roller, a first lower pressing roller, a second lower pressing roller, a transmission shaft, a gear, a scraping plate, an annular cutting knife, a slide block, a slide rod, a mounting block and the like, the pole piece is placed between the first lower pressing roller and the first upper pressing roller, the second motor is started to drive the transmission shaft to drive the first lower pressing roller to rotate, so that the pole piece is subjected to tabletting treatment, the pole piece moves leftwards in the sheeting process, the sheeted pole piece can be sliced and cut through the shearing groove on the second upper pressing roller and the annular cutter on the second lower pressing roller, and when the preforming was gone on, the scraper blade can carry out the scraping clearance to the surface of first lower roll and second lower roll, can reduce the influence of dust to the pole piece preforming.

Based on the retrieval of above-mentioned patent to and combine the equipment discovery among the prior art, this is novel need drive the lead screw through first motor and rotate when antipodal piece preforming, thereby the lead screw drives the position of compression roller on T type elevator removal regulation first last compression roller and the second, thereby roll the antipodal piece, but this kind of fixed position control can ' T change go up the compression roller to pole piece pressure's size, can ' T carry out the change of pressure to the pole piece production of different situation, the efficiency of pole piece preforming production has been reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a pole piece tabletting device for lithium battery production, which aims to solve the problems that a tabletting mechanism cannot adjust the pressure of pole piece production under different conditions, and the production efficiency of pole piece tabletting is reduced.

The purpose and the effect of the pole piece tabletting device for lithium battery production are achieved by the following specific technical means:

the utility model provides a pole piece film clamp for lithium cell production, includes the base, the post groove has been seted up on the base, the transmission shaft is worn to be equipped with in the post groove, the cover is equipped with down the compression roller on the transmission shaft, base one side is provided with the motor, the motor with the transmission shaft is connected, be provided with two sets of mounting panels on the base, the spout has been seted up on the mounting panel, the spout inside callipers is equipped with the slider, be provided with the fixed plate on the slider, two sets of the fixed plate passes through the bull stick and connects, the cover is equipped with the compression roller on the bull stick, and is two sets of all be provided with loading mechanism on the mounting panel.

Further, the pressurizing mechanism comprises a movable block, an installation rod is arranged in the sliding groove and penetrates through the sliding block and the movable block, a pressure spring is arranged between the sliding block and the movable block and sleeved on the installation rod, and two groups of positioning mechanisms are arranged on the movable block.

Further, positioning mechanism includes the oblique head round pin, the mounting groove has been seted up on the movable block, the oblique head round pin card is established in the mounting groove, the oblique head round pin with be provided with reset spring between the mounting groove, the spout inner wall is provided with the helical rack, the oblique head round pin card is established in the helical rack clearance, be provided with control assembly on the oblique head round pin.

Furthermore, the control assembly comprises a handle, the oblique head pin is connected with the handle through a connecting handle, a movable groove is formed in the movable block, the connecting handle penetrates through the movable groove, and a positioning ring is sleeved on the handle.

Furthermore, two sets of movable blocks are connected through a connecting rod, and a pull ring is arranged on the connecting rod.

Furthermore, two groups of bearings are arranged between the rotating rod and the upper press roll.

Furthermore, a scraping blade is arranged at the bottom end of the base, the scraping blade is arranged in an inclined mode, and the scraping blade is in contact with the lower pressing roller.

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

1. through the setting of loading system, place the in-process that carries out the preforming between last compression roller and lower compression roller at the pole piece, can stimulate the pull ring downwards to different situation, make two sets of movable blocks move down, oblique head round pin on the movable block passes through reset spring automatic card and establishes the completion location in the rack bevel clearance that corresponds the position, movable block extrusion pressure spring, pressure spring exerts pressure to the slider, thereby exert pressure to last compression roller, and the position of movable block is down more, it is big more to the pressure of pole piece that goes up the compression roller, the efficiency of pole piece preforming production has been increased.

2. Through control assembly's setting, hold two sets of handles on the movable block and make it draw close each other, remove the retaining ring again and fix a position two sets of handles, the oblique head round pin breaks away from the helical rack this moment, and pressure spring then can two sets of movable blocks of lifting, can unload the pressure of applying to last compression roller, the pulling holding ring, reset spring makes the oblique head round pin stretch out the mounting groove once more, can adjust the pressure of applying to last compression roller once more, it is convenient to have brought for the regulation of pressure.

Drawings

FIG. 1 is a perspective view of a pole piece pressing device for producing a lithium battery.

FIG. 2 is an exploded view of a pole piece tabletting device for lithium battery production according to the present invention.

Fig. 3 is an enlarged view of the area a in fig. 2.

Fig. 4 is a schematic view of the control assembly of the present invention with pressure removed.

Fig. 5 is a schematic view of the structure of the mounting plate of the present invention.

FIG. 6 is a schematic view of the structure of the upper roll in the present invention.

Fig. 7 is a schematic structural view of the base in the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 2. a motor; 3. mounting a plate; 4. an upper compression roller; 5. a drive shaft; 6. a column groove; 7. a lower pressing roller; 9. a connecting rod; 10. a pull ring; 11. a pressure spring; 12. a rotating rod; 13. mounting a rod; 14. a bearing; 15. a movable block; 16. mounting grooves; 17. a return spring; 18. a miter pin; 19. a connecting handle; 20. a grip; 21. a positioning ring; 22. a movable groove; 23. a chute; 24. a helical rack; 25. a slider; 26. a fixing plate; 27. and (4) scraping the blade.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 7:

the utility model provides a pole piece tabletting device for lithium battery production, which comprises a base 1, wherein a column groove 6 is formed in the base 1, a transmission shaft 5 penetrates through the column groove 6, a lower compression roller 7 is sleeved on the transmission shaft 5, a motor 2 is arranged on one side of the base 1, the motor 2 is connected with the transmission shaft 5, the motor 2 drives the transmission shaft 5 to rotate, so that the lower compression roller 7 can rotate, and the lower compression roller 7 is arranged in the column groove 6, so that the horizontal plane at the upper end of the base 1 is slightly flush with the upper surface of the lower compression roller 7, and the pole piece is conveniently conveyed above the lower compression roller 7 for tabletting.

The base 1 is provided with two sets of mounting panels 3, has seted up spout 23 on the mounting panel 3, and the inside callipers of spout 23 are equipped with slider 25, and

slider

25 and 23 sliding connection of spout make its slider 25 can reciprocate in spout 23.

Be provided with fixed plate 26 on the slider 25, two sets of fixed plates 26 pass through bull stick 12 and connect, and the cover is equipped with compression roller 4 on the bull stick 12, and two sets of sliders 25 can drive bull stick 12 and remove to compression roller 4 carries out the position removal on the drive, and last compression roller 4 can rotate on bull stick 12.

Wherein, all be provided with loading mechanism on two sets of mounting panels 3, loading mechanism includes movable block 15, be provided with installation pole 13 in the spout 23, installation pole 13 runs through slider 25 and movable block 15, be provided with pressure spring 11 between slider 25 and the movable block 15, pressure spring 11 cover is established on installation pole 13, pressure spring 11 promotes slider 25 and makes last compression roller 4 and lower compression roller 7 contact, and move down movable block 15, can exert pressure to slider 25 through pressure spring 11, can increase the pressure of last compression roller 4 to lower compression roller 7, can carry out pressure adjustment to the pole piece preforming under the different situation.

Wherein, be provided with two sets of positioning mechanism on the movable block 15, positioning mechanism includes plagiocephaly round pin 18, mounting groove 16 has been seted up on the movable block 15, plagiocephaly round pin 18 card is established in mounting groove 16, be provided with reset spring 17 between plagiocephaly round pin 18 and the mounting groove 16, spout 23 inner wall is provided with oblique rack 24, plagiocephaly round pin 18 card is established in oblique rack 24 clearance, because plagiocephaly round pin 18 terminal surface slope sets up, when making movable block 15 move down, plagiocephaly round pin 24 will promote plagiocephaly round pin 18 and remove in mounting groove 16, every moves to plagiocephaly rack 24 clearance department reset spring 17 and then can promote plagiocephaly round pin 18 and stretch out, send the click, and can continue to move down movable block 15 after plagiocephaly round pin 18 stretches out, but unable upward movement, pressure spring 11 then can promote movable block 15, thereby realize the location of movable block 15.

Wherein, the oblique head pin 18 is provided with a control component, the control component comprises a handle 20, the oblique head pin 18 is connected with the handle 20 through a connecting handle 19, the movable block 15 is provided with a movable groove 22, the connecting handle 19 is arranged in the movable groove 22 in a penetrating way, and a positioning ring 21 is sleeved on one group of handles 20; when the pressure on the upper compression roller 4 needs to be removed, the two groups of handles 20 are held to be close to each other, so that the beveled head pin 18 is retracted towards the inside of the mounting groove 16, the beveled head pin 18 is separated from the gap of the beveled rack 24, the positioning ring 21 is moved to be sleeved between the two groups of handles 20, the two groups of movable blocks 15 are operated in the same way, the pressure spring 11 can push the two groups of movable blocks 15 to move upwards, the pressure spring 11 is restored, and the pressure on the upper compression roller 4 can be removed.

Wherein, the two groups of movable blocks 15 are connected through a connecting rod 9, and a pull ring 10 is arranged on the connecting rod 9; can make two sets of movable blocks 15 simultaneously move down through pulling pull ring 10, can increase pressure to last compression roller 4, pull ring 10 set up to user's pulling connecting rod 9 and brought conveniently.

Wherein, be provided with two sets of bearings 14 between bull stick 12 and the last compression roller 4, make the rotation of going up compression roller 4 more nimble through the setting of bearing 14, the pole piece is put into last compression roller 4 and is gone down between the compression roller 7 after, and motor 2 drives the rotation of compression roller 7 down, goes up compression roller 4 and follows the rotation through the pressure to compression roller 7 down.

Wherein, the bottom end of the base 1 is provided with a scraping blade 27, the scraping blade 27 is obliquely arranged, and the scraping blade 27 is contacted with the lower pressing roll 7; the scraping blade 27 can clean the surface of the rotating lower pressing roller 7, scrape dust on the surface of the lower pressing roller 7 and increase the production quality of the pole piece pressing sheet.

The specific use mode and function of the embodiment are as follows:

when the utility model is used, firstly, a pole piece is placed on a base 1, a motor 2 is turned on, the motor 2 drives a lower compression roller 7 to rotate, the pole piece is pushed to be placed between the lower compression roller 7 and an upper compression roller 4, the upper compression roller 4 and the lower compression roller 7 can carry out tabletting treatment on the pole piece, when the pressure of tabletting needs to be increased, a pull ring 10 is pulled downwards to enable two groups of movable blocks 15 to move downwards, after the movable blocks 15 move downwards to a certain position, a return spring 17 enables an oblique head pin 18 to be clamped into an oblique rack 24, the movable blocks 15 are positioned by the reverse thrust of a pressure spring 11, the pressure spring 11 is extruded to increase the pressure of the pressure spring on the upper compression roller 4, the more the downward movement distance of the movable blocks 15 is caused by pulling the pull ring 10, the increased tabletting pressure is larger, when the pressure needs to be released, two groups of handles 20 on the movable blocks 15 are held to be close to enable the oblique head pin 18 to retract towards an installation groove 16, the angle head pin 18 is separated from the gap of the angle rack 24, the positioning ring 21 is moved to be sleeved between the two groups of handles 20, the two groups of movable blocks 15 are operated in the same way, the pressure spring 11 can push the two groups of movable blocks 15 to move upwards, and the pressure spring 11 is recovered, so that the pressure on the upper press roll 4 can be removed.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a pole piece film clamp for lithium cell production which characterized in that: including base (1), column groove (6) have been seted up on base (1), wear to be equipped with transmission shaft (5) in column groove (6), the cover is equipped with down compression roller (7) on transmission shaft (5), base (1) one side is provided with motor (2), motor (2) with transmission shaft (5) are connected, be provided with two sets of mounting panel (3) on base (1), spout (23) have been seted up on mounting panel (3), spout (23) inside callipers is equipped with slider (25), be provided with fixed plate (26) on slider (25), two sets of fixed plate (26) are connected through bull stick (12), the cover is equipped with compression roller (4) on bull stick (12), and is two sets of all be provided with loading mechanism on mounting panel (3).

2. The lithium battery production pole piece tabletting device as claimed in claim 1, wherein: the loading mechanism comprises a movable block (15), an installation rod (13) is arranged in a sliding groove (23), the installation rod (13) penetrates through a sliding block (25) and the movable block (15), a pressure spring (11) is arranged between the sliding block (25) and the movable block (15), the pressure spring (11) is sleeved on the installation rod (13), and two sets of positioning mechanisms are arranged on the movable block (15).

3. The lithium battery production pole piece tabletting device as claimed in claim 2, wherein: positioning mechanism includes oblique head round pin (18), mounting groove (16) have been seted up on movable block (15), oblique head round pin (18) card is established in mounting groove (16), oblique head round pin (18) with be provided with reset spring (17) between mounting groove (16), spout (23) inner wall is provided with helical rack (24), oblique head round pin (18) card is established in helical rack (24) clearance, be provided with control assembly on oblique head round pin (18).

4. The lithium battery production pole piece tabletting device as claimed in claim 3, wherein: the control assembly comprises a handle (20), the oblique-head pin (18) is connected with the handle (20) through a connecting handle (19), a movable groove (22) is formed in the movable block (15), the connecting handle (19) penetrates through the movable groove (22), and a positioning ring (21) is sleeved on the handle (20).

5. The lithium battery production pole piece tabletting device as claimed in claim 2, wherein: two sets of movable block (15) are connected through connecting rod (9), be provided with pull ring (10) on connecting rod (9).

6. The lithium battery production pole piece tabletting device as claimed in claim 1, wherein: two groups of bearings (14) are arranged between the rotating rod (12) and the upper press roll (4).

7. The lithium battery production pole piece tabletting device as claimed in claim 1, wherein: the bottom end of the base (1) is provided with a scraping blade (27), the scraping blade (27) is obliquely arranged, and the scraping blade (27) is in contact with the lower pressing roller (7).