CN218610199U

CN218610199U - Battery pole piece scraping and coating mechanism

Info

Publication number: CN218610199U
Application number: CN202221530328.0U
Authority: CN
Inventors: 曹海霞; 李祥; 蔡金垌
Original assignee: Zhuhai Higrand Technology Co Ltd
Current assignee: Zhuhai Higrand Technology Co Ltd
Priority date: 2021-08-03
Filing date: 2022-06-17
Publication date: 2023-03-14
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a battery pole piece knife coating mechanism, including frame, scraper module, interface module, removal module and pole piece orientation module, removal module respectively with frame and scraper module are connected, the scraper module can be relative the frame removes, and interface module and pole piece orientation module install in the frame, just pole piece orientation module is located scraper module below, interface module with scraper module electricity is connected. The scraping mechanism is formed by modularly configuring the scraper module, the interface module moving module and the pole piece positioning module on the frame, so that flexible adjustment of the process is realized, and the universality of the pole piece scraping mechanism is improved; the whole blade coating mechanism becomes an integral module, and the quick assembly and disassembly and the convenient configuration on the external mechanism are realized.

Description

Battery pole piece scraping and coating mechanism

Technical Field

The utility model relates to a battery production facility field, concretely relates to battery sheet knife coating mechanism.

Background

In the production of lithium batteries, coating active substances on battery pole pieces is a necessary production process, and after the active substances are coated on the pole pieces, the pole pieces coated with the active substances are often required to be subjected to blade coating according to the technical requirements of various types and types of battery pole pieces, and the blade coating quality of the active substances is directly related to the technical parameters of the quality, the stability, the service life and the like of the batteries. With the rapid development of the lithium battery industry, lithium batteries are widely applied to various fields, and the performance requirements on the lithium batteries are increasingly improved. In order to meet the actual requirements of the market and adapt to the production requirements of various types of lithium batteries, lithium battery production equipment needs to be arranged in front of battery production to meet the production requirements.

At present, more pole piece blade coating equipment is applied, such as a pole piece blade coating machine provided in Chinese patent document with publication number CN210995057U, and a blade coating mechanism of the pole piece blade coating machine disclosed in the patent document cannot meet the blade coating work of a multi-scraping area surface coating of a wide pole piece; and partial waste materials after blade coating are easy to stick in a scraping area and are not completely cleaned by a dust removal system, so that the quality of the pole piece is easy to influence, and the quality and the service life of the battery are influenced. And the blade coating mechanism has complex structure and inconvenient process change.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery pole piece knife coating mechanism realizes modularization configuration inner assembly, increases flexibility, the commonality of knife coating mechanism. The utility model discloses realize by following technical scheme:

the utility model provides a battery sheet knife coating mechanism which characterized in that: including frame, scraper module, interface module, removal module and pole piece orientation module, remove the module respectively with frame and scraper module are connected, the scraper module can be relative the frame removes, interface module and pole piece orientation module are installed in the frame, just pole piece orientation module is located scraper module below, interface module with scraper module electricity is connected.

According to the technical scheme, the integrated scraper module, the interface module and the mobile module are configured on the rack, so that flexible adjustment of the process is realized, and the universality of the pole piece scraping mechanism is improved.

As a further improvement of the utility model, the mobile module includes slide rail and slider, the slide rail fixedly install in on the support, the slider is movably installed on the slide rail, the scraper module is installed on the slider.

As a further improvement of the utility model, the scraper module includes knife rest, scraper elevating system, scraper and pressure sensor, scraper elevating system installs on the knife rest, the scraper is installed on the scraper elevating system, pressure sensor installs on the scraper, work as when the quantity of scraper module is a plurality of, a plurality of scraper modules are followed the moving direction parallel arrangement of scraper module.

As a further improvement, the utility model also includes a dust collection assembly, the dust collection assembly includes support, linear bearing and dust absorption pipe, the support is fixedly installed in the frame, the dust absorption pipe passes through linear bearing installs on the support, the one end of dust absorption pipe is installed on the scraper module, follow scraper module removes.

As a further improvement, the dust collection pipe is provided with a scraper channel, the scraper of the scraper module passes through the scraper channel, and the dust collection pipe carries out pole piece scraping.

As a further improvement, the scraper module is still including blowing the dirt subassembly, blow the dirt subassembly including blowing the dirt pipe, it installs to blow the dirt pipe on the scraper module, and be located the dust absorption union coupling the side of scraper module one end.

As a further improvement of the utility model, the utility model also comprises rollers, the quantity of the rollers is more than or equal to two, and the rollers are arranged at the bottom of the frame.

As a further improvement, pole piece orientation module includes adsorption platform and adjusting cylinder, the adjusting cylinder is two, adsorption platform and adjusting cylinder all install in the frame, according to the advancing direction of pole piece, adsorption platform is located two between the adjusting cylinder, adjusting cylinder's top is higher than adsorption platform's top surface.

As a further improvement, the adjusting roller comprises a roller, an adjusting seat and a jackscrew, the adjusting seat is two, the roller is rotationally installed on the adjusting seat, the jackscrew is installed on the adjusting seat and used for adjusting the height of the roller.

As a further improvement of the present invention, the height of the top of the roller is lower than the height of the lowest point of the scraper module.

Drawings

Fig. 1 is a perspective view of a battery pole piece blade coating mechanism provided by the embodiment of the invention.

Fig. 2 is a partially enlarged view of the portion I in fig. 1.

Fig. 3 is a partially enlarged view of the portion II in fig. 1.

Fig. 4 is a front view of a battery pole piece blade coating mechanism provided by the embodiment of the invention.

Fig. 5 is a bottom view of the battery pole piece blade coating mechanism provided by the embodiment of the present invention.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings, wherein for convenience of description, the upper, lower, left, right, front, rear, and other orientations may be defined in the present application, and the present application is intended to clearly describe the relative position relationship of the structures, and is not intended to limit the actual orientation of the product during the manufacturing, using, selling, and the like. The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

referring to fig. 1-5, the present embodiment provides a battery pole piece scraping mechanism, which includes a frame 10, a pole piece positioning module, a moving module, a scraper module 40, a dust sucking assembly, a dust blowing assembly, an interface module 70, and a roller 81. The movable module comprises a slide rail 31 and sliders, the slide rail 31 is fixedly mounted on the rack 10, the sliders are movably mounted on the slide rail 31, the scraper modules 40 are mounted on the sliders, the number of the sliders is 6, the sliders are arranged in parallel along the axis direction of the slide rail 31, and the moving directions of the sliders and the scraper modules 40 are perpendicular to the moving direction of the pole pieces. The number of the scraper modules 40 is 6, and the scraper modules are mounted on the sliding block and arranged in parallel along the axial direction of the sliding rail 31 (the number of the sliding block and the scraper modules 40 corresponds, and can be increased or decreased according to actual process requirements). Scraper module 40 includes knife rest, scraper elevating system, scraper and pressure sensor, scraper elevating system installs on the knife rest, the scraper is installed on the scraper elevating system, pressure sensor installs on the scraper, the scraper is in scraper elevating system's control is reciprocated down, pressure sensor is through the response pressure between scraper and the pole piece, to scraper elevating system sends the motion signal. The dust suction assembly comprises a support 51, linear bearings 52 and dust suction pipes 53, wherein the number of the dust suction pipes 53 and the linear bearings 52 is 6 (the number of the linear bearings 52 and the dust suction pipes 53 corresponds to the number of the scraper modules 40), the support 51 is fixedly arranged on the frame 10, the dust suction pipes 53 are movably arranged on the support 51 through the linear bearings 52, and 1 dust suction pipe 53 is arranged in each linear bearing 52, and the 6 dust suction pipes 53 are mutually independent. One end 531 of the dust collection pipe 53 is installed on the scraper module 40, and the position in the vertical direction is in between the scraper and the pole piece, following the scraper module 40 moves, a scraper channel is arranged on the dust collection pipe 53, and the scraper is controlled by the scraper lifting mechanism to pass through the scraper channel and the pole piece below the dust collection pipe 53. Blow the dirt subassembly and include blow dirt pipe 61, install on the scraper module 40, follow the scraper module 40 removes, blow the dirt mouth of dirt pipe 61 is located the side of dust absorption pipe 53 and orientation the scraper. The interface module 70 comprises an aviation plug 71 and a pressure sensor terminal 72, fixedly mounted on the frame 10. The rollers 81 are 4 in number and are mounted at the bottom of the frame 10.

The pole piece positioning module includes an adsorption platform 91 and an adjusting roller 92 (as other realizable technical solutions, the pole piece positioning module may be a clamping mechanism, a pressing mechanism, or other mechanisms capable of fixing and positioning a pole piece). Adjusting cylinder 92 is two, including cylinder 921, regulation seat 922 and jackscrew, it is two to adjust seat 922, is located the both ends of cylinder 921, cylinder 921 is rotationally installed adjust on the seat 922, the jackscrew is installed adjust on the seat 922, it is adjustable to rotate the jackscrew the height of cylinder 921. The adsorption platform 91 and the adjusting rollers 92 are both installed on the inner bottom plate of the rack 10, the axial direction of the adjusting rollers 92 is perpendicular to the advancing direction of the pole pieces, the adsorption platform 91 is located between the two adjusting rollers 92 according to the advancing direction of the pole pieces, and the top of the adjusting rollers 92 is higher than the top surface of the adsorption platform 91. The height of the roller 921 is adjusted by rotating the jackscrew, and the distance between the pole piece on the roller 921 and the adsorption platform 91 is controlled under the working state. In actual production, the two adjusting rollers 92 have the same adjusting height, and after the installation of the battery pole piece blade coating mechanism is completed, the scraper of the scraper module 40 is not lower than the top of the adjusting roller 92 of the adsorption module.

Before the battery pole piece blade coating mechanism is used, the number of the scraper modules 40 is configured according to actual process requirements, and the scraper modules 40, the dust suction assembly and the dust blowing assembly are electrically connected with the interface module 70, so that the actual process requirements are met. The scraper module 40, the dust suction assembly, the dust blowing assembly and the interface module 70 are designed in a modularized mode, so that the configuration can be adjusted conveniently according to actual process requirements. The bottom of the frame 10 is provided with a roller 81, so that the arranged knife coating mechanism can be conveniently installed on an external mechanism, and the knife coating process of the pole piece can be completed by matching with other mechanisms.

When the battery pole piece blade coating mechanism works, the height of the adjusting rollers 92 is adjusted according to the type of the pole piece so as to control the distance between the pole piece and the adsorption platform 91 in the working process and further control the adsorption force of the adsorption platform 91 on the pole piece, and the heights of the two adjusting rollers 92 are the same so that the pole piece is perpendicular to a scraper of the scraper module 40. Unwinding the wound pole piece, and passing the pole piece through the gap above the adjusting roller 92 and below the dust suction pipe 53. The pole piece moves intermittently according to a preset distance, and when the pole piece stops moving, the adsorption platform 91 provides suction to adsorb the pole piece on the adjusting roller 92. The scraper descends to be in contact with the pole piece, the pressure sensor senses the pressure of the scraper on the pole piece according to a preset pressure value, and when the pressure value reaches the preset value, the descending action of the scraper is stopped. The scraper scrapes off the coating on the pole piece in the specific area of the pole piece according to preset parameters, and 6 scraper modules can scrape 6 scraping areas on the pole piece at most simultaneously. After the scraping and coating are finished, substances scraped by the scraper are remained on or around a scraping area on the pole piece, the dust blowing pipe 61 blows air to blow coating fragments adhered to or scattered on the pole piece, and the dust suction pipe 53 sucks the coating fragments away from the surface of the pole piece.

The above embodiments are merely for full disclosure and not for limitation, and all changes that can be made without inventive step based on the inventive idea of the present invention and equivalent technical features can be obtained without any inventive step should be considered as the scope of the present disclosure.

Claims

1. The utility model provides a battery pole piece knife coating mechanism which characterized in that: including frame, scraper module, interface module, removal module and pole piece orientation module, remove the module respectively with frame and scraper module are connected, the scraper module can be relative the frame removes, interface module and pole piece orientation module are installed in the frame, just pole piece orientation module is located scraper module below, interface module with scraper module electricity is connected.

2. The battery pole piece blade coating mechanism of claim 1, wherein: the movable module comprises a sliding rail and a sliding block, the sliding rail is fixedly arranged on the rack, the sliding block is movably arranged on the sliding rail, and the scraper module is arranged on the sliding block.

3. The battery pole piece blade coating mechanism of claim 1, wherein: the scraper module comprises a knife rest, a scraper lifting mechanism, a scraper and a pressure sensor, wherein the scraper lifting mechanism is installed on the knife rest, the scraper is installed on the scraper lifting mechanism, the pressure sensor is installed on the scraper, and when the quantity of the scraper modules is multiple, the scraper modules are arranged in parallel in the moving direction of the scraper modules.

4. The battery pole piece blade coating mechanism of claim 1, wherein: still include dust absorption assembly, dust absorption assembly includes support, linear bearing and dust absorption pipe, the support is installed fixedly in the frame, the dust absorption pipe passes through linear bearing installs on the support, the one end of dust absorption pipe is installed on the scraper module, follow scraper module removes.

5. The battery pole piece blade coating mechanism of claim 4, wherein: the pole piece coating machine is characterized in that a scraper channel is arranged on the dust collection pipe, and a scraper of the scraper module penetrates through the dust collection pipe through the scraper channel to carry out pole piece coating.

6. The battery pole piece blade coating mechanism of claim 4, wherein: still including blowing the dirt subassembly, blow the dirt subassembly including blowing the dirt pipe, it installs to blow the dirt pipe on the scraper module, and be located the dust absorption union coupling the side of scraper module one end.

7. The battery pole piece blade coating mechanism of claim 1, wherein: the rolling wheel device is characterized by further comprising two rolling wheels, wherein the number of the rolling wheels is larger than or equal to two, and the rolling wheels are installed at the bottom of the rack.

8. The battery pole piece blade coating mechanism of any one of claims 1 to 7, wherein: the pole piece positioning module comprises two adsorption platforms and two adjusting rollers, the adsorption platforms and the adjusting rollers are installed on the rack, the adsorption platforms are located between the two adjusting rollers according to the advancing direction of the pole pieces, and the tops of the adjusting rollers are higher than the top surfaces of the adsorption platforms.

9. The battery pole piece blade coating mechanism of claim 8, wherein: the adjusting roller comprises two rollers, adjusting seats and jackscrews, the rollers are rotatably mounted on the adjusting seats, the jackscrews are mounted on the adjusting seats, and the heights of the rollers can be adjusted by rotating the jackscrews.

10. The battery pole piece blade coating mechanism of claim 9, wherein: the height of the top of the roller is lower than the height of the lowest point of the scraper module.