CN213919258U

CN213919258U - Cast piece device for lithium ion battery diaphragm

Info

Publication number: CN213919258U
Application number: CN202022430430.0U
Authority: CN
Inventors: 白耀宗; 庞有平; 樊志新; 邓鹏飞
Original assignee: Inner Mongolia Zhongli New Material Co ltd
Current assignee: Inner Mongolia Chinaly New Materials Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-08-10
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a cast piece device that lithium ion battery diaphragm was used relates to lithium cell production technical field, including casing, support frame and cast piece roller, two the support frame symmetry sets up on the casing, cast piece roller rotates and connects on the support frame, the constant head tank has been seted up on the support frame, be provided with on the support frame and carry out displacement lift mechanism along the constant head tank, lift mechanism is including the slider of sliding connection at the constant head tank inner wall, one side fixed mounting of slider has the clamp splice, one side fixed mounting of clamp splice has the piece of holding up, the inlay card mouth has been seted up on the piece of holding up, be provided with the scraper in the inlay card mouth, the opposite side fixed mounting of slider has the movable block, the beneficial effects of the utility model are that: the interval between scraper and the cast sheet roller can to obtain the different thickness of scraping, the scraper adopts the mode of pegging graft to fix, adopts the mode of plugging out to install the dismantlement, changes consuming time and shortens.

Description

Cast piece device for lithium ion battery diaphragm

Technical Field

The utility model relates to a lithium cell production technical field specifically is a piece device is cast that lithium ion battery diaphragm was used.

Background

The cast sheet is an important process in the manufacturing process of the lithium ion battery diaphragm. Melting the diaphragm raw material through an extruder to form a melt, and enabling the melt to flow out of a die head to form a casting film; the cast film is then cast by passing between a lower contact roll and a casting roll.

A large amount of paraffin oil is precipitated on the surface of a casting sheet roller by a casting sheet, and the paraffin oil influences the quality of the casting sheet on the roller surface, so that the paraffin oil on the surface of the casting sheet roller needs to be cleaned; at present, the unnecessary attachments on the surface of the casting sheet roller are scraped by adding a group of cleaning mechanisms in a cleaning mode, so that the uniformity of the thickness of the roller surface is ensured, but the space between a scraper for scraping paraffin oil and the casting sheet roller is inconvenient to adjust in the actual use process, and the scraper needs to consume a long time when being replaced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cast piece device that lithium ion battery diaphragm was used, the mode that the scraper adopted the grafting is fixed, adopts the mode of pulling out to insert to install and dismantle, changes and shortens consuming time, and the interval between scraper and the cast piece can change.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cast piece device that lithium ion battery diaphragm was used, includes casing, support frame and cast piece roller, two the support frame symmetry sets up on the casing, the cast piece roller rotates to be connected on the support frame, the constant head tank has been seted up on the support frame, be provided with on the support frame and carry out the displacement along the constant head tank and lift the mechanism, lift the mechanism including the slider of sliding connection at the constant head tank inner wall, one side fixed mounting of slider has the clamp splice, one side fixed mounting of clamp splice has the piece of holding up, the card inlays the mouth has been seted up on the piece of holding up, be provided with the scraper in the card inlays, the opposite side fixed mounting of slider has the movable block, be provided with the actuating mechanism of drive movable block along the constant head tank displacement on the casing.

Preferably, the driving mechanism comprises a transmission shaft, a driving gear is fixedly mounted on the transmission shaft, a lead screw is rotatably connected to the upper end of the shell, a driven gear is fixedly mounted at the lower end of the lead screw, the driving gear is meshed with the driven gear, and one end of the lead screw is in threaded connection with the moving block.

Preferably, the upper surface of casing is provided with the fixed block, the inside of fixed block is run through to the one end of lead screw, the lower extreme fixed mounting of lead screw has the stopper, the outside of stopper is contradicted on the inner wall of casing.

Preferably, the outer side of the clamping block abuts against one side of the support frame, and the outer side of the moving block abuts against the other side of the support frame.

Preferably, the lower end of the scraper is set to be rectangular, the upper end of the scraper is provided with an arc chamfer, and the two supporting blocks are respectively clamped and embedded on two sides of the lower end of the scraper.

Preferably, the upper surface of the shell is provided with a collecting box which is positioned right below the scraper.

Compared with the prior art, the beneficial effects of the utility model are that: this cast piece device that lithium ion battery diaphragm used: through rotatory transmission shaft, can drive the lead screw and rotate, receive the influence of screw thread power when the lead screw is rotatory, make lifting mechanism can upwards displacement, and then change the interval between scraper and the casting piece roller, in order to obtain the different thickness of striking off, move down through lifting mechanism, can make the scraper keep away from the casting piece roller, just so can upwards stimulate the scraper, make the scraper break away from lifting mechanism, the scraper adopts the mode of pegging graft to fix, adopt to pull out the mode of inserting to install and dismantle, change shortens consuming time.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a supporting block of the present invention;

FIG. 3 is a view of the assembly structure of the scraper and the supporting block of the present invention;

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

In the figure: 10. a housing; 11. a support frame; 12. positioning a groove; 13. a slider; 14. a clamping block; 15. supporting the block; 16. a clamping and embedding opening; 17. a scraper; 19. a moving block; 20. a lifting mechanism; 21. a drive mechanism; 22. a drive shaft; 23. a driving gear; 24. a screw rod; 25. a driven gear; 27. a limiting block; 28. a fixed block; 29. casting a sheet roller; 30. and (4) collecting the box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a cast sheet device for a lithium ion battery diaphragm comprises a shell 10, support frames 11 and cast sheet rollers 29, wherein the two support frames 11 are symmetrically arranged on the shell 10, the cast sheet rollers 29 are rotatably connected to the support frames 11, positioning grooves 12 are formed in the support frames 11, the positioning grooves 12 are arranged along the direction of the support frames 11, displacement lifting mechanisms 20 capable of displacing along the positioning grooves 12 are arranged on the support frames 11, the lifting mechanisms 20 can displace along the support frames 11, each lifting mechanism 20 comprises a sliding block 13 which is slidably connected to the inner wall of the corresponding positioning groove 12, the sliding block 13 can displace in the vertical direction in the corresponding positioning groove 12, a clamping block 14 is fixedly arranged on one side of the corresponding sliding block 13, a lifting block 15 is fixedly arranged on one side of the corresponding clamping block 14, a clamping opening 16 is formed in the corresponding clamping opening 15, a scraper 17 is arranged in the corresponding clamping opening 16, and the two lifting blocks 15 are respectively fixed at two ends of the scraper 17, after the scraper 17 is inserted into the clamping and embedding opening 16, the scraper 17 can be fixed, the moving block 19 is fixedly mounted on the other side of the sliding block 13, a driving mechanism 21 for driving the moving block 19 to move along the positioning groove 12 is arranged on the shell 10, the moving block 19 can be driven to move through the driving mechanism 21, then the lifting mechanism 20 can be driven to move, and the gap between the scraper 17 and the casting roll 29 can be changed.

Referring to fig. 1, the driving mechanism 21 includes a transmission shaft 22, a driving gear 23 is fixedly mounted on the transmission shaft 22, the driving gear 23 can be driven to rotate when the transmission shaft 22 rotates, one end of the transmission shaft 22 extends out of the housing 10, a turntable is disposed on the transmission shaft 22 to facilitate the rotation of the transmission shaft 22, a lead screw 24 is rotatably connected to the upper end of the housing 10, a driven gear 25 is fixedly mounted at the lower end of the lead screw 24, the driving gear 23 is engaged with the driven gear 25, the driving gear 23 can drive the driven gear 25 to rotate when rotating, one end of the lead screw 24 is in threaded connection with the moving block 19, the lead screw 24 can be driven to rotate when the driven gear 25 rotates, and the moving block 19 receives a threaded force when the lead screw 24 rotates, so that the height of the lead screw 24 can be changed.

Referring to fig. 1, a fixing block 28 is disposed on the upper surface of the housing 10, one end of the screw rod 24 penetrates through the fixing block 28, the stability of the screw rod 24 is increased by the fixing block 28, a limiting block 27 is fixedly mounted at the lower end of the screw rod 24, the outer side of the limiting block 27 abuts against the inner wall of the housing 10, and the stability of the screw rod 24 is further increased by the limiting block 27, so that the screw rod 24 can only rotate in the vertical direction, but cannot displace in other manners.

Referring to fig. 1, the outer side of the clamping block 14 abuts against one side of the supporting frame 11, and the outer side of the moving block 19 abuts against the other side of the supporting frame 11, so that the sliding block 13 can only move vertically along the positioning groove 12 by the limitation of the clamping block 14 and the moving block 19.

Referring to fig. 1-3, the lower end of the scraper 17 is set to be rectangular, the bottom of the scraper 17 is set to be rectangular, and can be better clamped and embedded inside the supporting blocks 15, the upper end of the scraper 17 is provided with an arc chamfer, which reduces the edge breakage and is beneficial to improving the service life of the scraper 17, the two supporting blocks 15 are respectively clamped and embedded on two sides of the lower end of the scraper 17, the upper surface of the housing 10 is provided with the collecting box 30, the collecting box 30 is located under the scraper 17, and the collecting box 30 is used for collecting attachments scraped by the scraper 17.

The utility model discloses when concrete implementation: in use, if it is desired to reduce the spacing between the doctor blade 17 and the casting roll 29, it is first necessary to rotate the drive shaft 22 counterclockwise, when the transmission shaft 22 rotates, the driving gear 23 can be driven to rotate, when the driving gear 23 rotates, the driven gear 25 can be driven to rotate, when the driven gear 25 rotates, the screw rod 24 can be driven to rotate, when the screw rod 24 rotates, the moving block 19 is acted by the screw force and moves upwards along the screw rod 24, the moving block 19, when moving upward, moves the scraper 17 upward, thereby reducing the gap between the scraper 17 and the casting roll 29, when it is desired to remove the blades 17, the drive shaft 22 is rotated clockwise, causing the position of the blades 17 to move downward, causing the blades 17 to move sufficiently away from the casting rolls 29, the doctor blade 17 can be pulled up so that the doctor blade 17 is detached from the supporting block 15 for a new doctor blade 17 exchange.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cast piece device that lithium ion battery diaphragm was used, includes casing (10), support frame (11) and casts piece roller (29), its characterized in that: the two support frames (11) are symmetrically arranged on the shell (10), the cast sheet roller (29) is rotationally connected to the support frames (11), a positioning groove (12) is arranged on the support frame (11), a lifting mechanism (20) which can move along the positioning groove (12) is arranged on the support frame (11), the lifting mechanism (20) comprises a slide block (13) which is connected with the inner wall of the positioning groove (12) in a sliding way, a clamping block (14) is fixedly arranged on one side of the sliding block (13), a supporting block (15) is fixedly arranged on one side of the clamping block (14), the supporting block (15) is provided with a clamping and embedding opening (16), a scraper (17) is arranged in the clamping and embedding opening (16), a moving block (19) is fixedly mounted on the other side of the sliding block (13), and a driving mechanism (21) for driving the moving block (19) to move along the positioning groove (12) is arranged on the shell (10).

2. The casting device for the lithium ion battery separator according to claim 1, wherein: the driving mechanism (21) comprises a transmission shaft (22), a driving gear (23) is fixedly mounted on the transmission shaft (22), a lead screw (24) is rotatably connected to the upper end of the shell (10), a driven gear (25) is fixedly mounted at the lower end of the lead screw (24), the driving gear (23) is meshed with the driven gear (25), and one end of the lead screw (24) is in threaded connection with the moving block (19).

3. The casting device for the lithium ion battery separator according to claim 2, wherein: the upper surface of casing (10) is provided with fixed block (28), the inside of fixed block (28) is run through to the one end of lead screw (24), the lower extreme fixed mounting of lead screw (24) has stopper (27), the outside of stopper (27) is contradicted on the inner wall of casing (10).

4. The casting device for the lithium ion battery separator according to claim 2, wherein: the outer side of the clamping block (14) is abutted against one side of the support frame (11), and the outer side of the moving block (19) is abutted against the other side of the support frame (11).

5. The casting device for the lithium ion battery separator according to claim 1, wherein: the lower end of the scraper (17) is arranged to be rectangular, the upper end of the scraper (17) is provided with an arc chamfer, and the two supporting blocks (15) are respectively embedded on two sides of the lower end of the scraper (17).

6. The casting device for the lithium ion battery separator according to claim 1, wherein: the upper surface of the shell (10) is provided with a collecting box (30), and the collecting box (30) is positioned under the scraper (17).