Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Electric core winding device

A battery cell and supply device technology is applied in the field of lithium battery automatic winding equipment, which can solve the problems of increasing production investment, increasing the cost of battery cell production, and low overall utilization rate of diaphragm material strips, so as to reduce production costs and improve utilization. rate effect

Pending Publication Date: 2019-04-12
SUZHOU JIERUISI INTELLIGENT TECH CO LTD
View PDF0 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the following problems inevitably exist in the above operation process: 1) Since the diaphragm feeding device is set to two sets, it inevitably increases the overall layout and manufacturing difficulty of the feeding system and the cell rolling device, and increases the production capacity. 2) After the single-piece battery is rolled, there will be two cutting heads for each diaphragm material strip, which will lead to a low overall utilization rate of the diaphragm strip and increase the production cost of the battery cell

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Electric core winding device
  • Electric core winding device
  • Electric core winding device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description. It is not intended to indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and thus should not be construed as limiting the invention.

[0025] Below in conjunction with accompanying drawing, the present invention is described in detail, figure 2 A schematic diagram of the working principle of the cell rolling device in the present invention is shown, which is composed of a diaphragm material tape supply device 1, a positive electrode material tape supply device 2, a negative electrode material tape supply device 3,...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to the technical field of automatic winding equipment for lithium batteries, in particular to an electric core winding device, which comprises a separator material belt supplyingdevice, a positive electrode material belt supplying device, a negative electrode material belt supplying device and a winding needle assembly which completes spacing winding molding of a separator material belt, a positive electrode material belt and a negative electrode material belt through self-rotating operation, wherein the separator material belt supplying device is provided with only oneset. A separator pulling device is also provided in the electric core winding device, when the two winding needles of the winding needle assembly are in an open state, the winding needles drag the separator material belt through the gap between the winding needles, the separator is folded in half by means of the winding action of the winding needle assembly, thereby realizing the complete wrappingof the negative electrode material belt or the negative electrode material belt. The number of the separator cutting heads required for manufacturing a single piece of electric core is reduced to 50%, and the utilization ratio of the separator material belt is greatly improved. In addition, the reduction of the total number of separator material belt supply devices is more conducive to the overall structure layout and optimization of the feeding system and the core winding device.

Description

technical field [0001] The invention relates to the technical field of lithium battery automatic winding equipment, in particular to a battery winding device. Background technique [0002] In the manufacturing process of lithium battery cells, the positive electrode material strip, the negative electrode material strip and the separator material strip sandwiched between them for insulation are wound to form the battery core through the rotating motion of the winding needle. The existing cell rolling devices on the market are equipped with a feeding system for feeding the winding needle assembly. The feeding system is composed of the first diaphragm material tape feeding device, the positive electrode material tape feeding device, the second diaphragm material tape feeding device and the negative electrode material tape feeding device, and in the actual cell rolling process, the first diaphragm Material tape-positive electrode material tape-the second separator material tape...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H01M10/0587
CPCH01M10/0587Y02E60/10Y02P70/50
Inventor 文二龙万志永邱毅杨永忠
Owner SUZHOU JIERUISI INTELLIGENT TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com