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Pre-bare cell top sealing tab bending debugging device and working flow thereof

A bare cell and tab technology, which is applied in the field of debugging devices for tabs before top sealing of bare cells, can solve problems such as dislocation of top seal, deviation of tab bending height and measurement error, etc.

Pending Publication Date: 2020-01-03
HUIZHOU LIWINON NEW ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, when debugging the equipment with folded tabs, bare cells are used for debugging. Due to the lack of standards for checking the height of the folded tabs, the bent height of the tabs after debugging deviates from the actual requirements, resulting in top sealing Misalignment, the appearance of crescent moon seals packaged at the tab position, and the appearance of defective products such as top-packed tabs; the main defects of the existing technology are: 1. There is no standard judgment for the folded tab of the bare cell; 2. The height of the folded tab is judged visually , there is an error in the measurement, which may easily cause the dislocation of the top seal, the crescent seal of the lug position package, and the appearance of defective products such as the top seal package tab; 3. During debugging, it is easy to cause the scrapping of the battery cell, resulting in an increase in production costs

Method used

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  • Pre-bare cell top sealing tab bending debugging device and working flow thereof
  • Pre-bare cell top sealing tab bending debugging device and working flow thereof
  • Pre-bare cell top sealing tab bending debugging device and working flow thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as Figure 1-5 As shown, a debugging device for folding tabs before top-sealing bare cells includes a mobile platform 1, a workbench 2, a pressing device 3, a debugging block 4, and a tab folding device 5. The workbench 2 is set on the mobile platform 1. The workbench 2 is provided with a groove 2 ′, a debugging block 4 is arranged in the groove 2 ′, a pressing device 3 is arranged on the mobile platform 1 through a bracket 6, and the pressing device 3 and the folding tab device 5 all correspond to the debugging block 4. During work, first place the debugging block 4 in the groove 2', and the groove 2'will adsorb and lock the debugging block 4; then the moving platform 1 drives the debugging block 4 on the workbench 2 to move forward to the specified position; Then the pressing device 3 starts to work to compress and fix the debugging block 4; finally the folding tab device 5 starts to work and moves to the debugging block 4 until it contacts the debugging block 4; ...

Embodiment 2

[0046] Such as Figure 1-5 As shown, a working process of the debugging device for folding the tabs before the top sealing of the bare cell according to the first embodiment includes the following steps:

[0047] S1. Place the debugging block 4 in the groove 2', and the groove 2'will adsorb and lock the debugging block 4; the bottom of the groove 2'is provided with multiple air holes, which are connected to the air pump through the air pipe; this structural design It is beneficial to adsorb and fix the debugging block 4 in the groove 2';

[0048] S2. The mobile platform 1 drives the debugging block 4 on the workbench 2 to move forward to the designated position; the platform 13 and the frame 11 are connected by sliding rails; during work, the first telescopic device 12 starts to work, pushing the platform 13 to Before moving, the platform 13 is pushed to the designated position, and the workbench 2 fixed on the platform 13 is also pushed to the designated position;

[0049] S3. The...

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Abstract

The invention belongs to the technical field of batteries, and particularly relates to a pre-bare cell top sealing tab bending debugging device. The device comprises a moving platform, a workbench, apressing device, a debugging block and a tab bending device, wherein the workbench is arranged on the moving platform, the workbench is provided with a groove, the debugging block is arranged in the groove, the pressing device is arranged on the moving platform through a support, and the pressing device and the tab bending device are both corresponding to the debugging block. According to the pre-bare cell top sealing tab bending debugging device, tab bending can be quickly debugged, the height of the tab bending is guaranteed, the appearance quality of a core is normal, the defective productssuch as the top sealing dislocation, tab position packaging crescent marking and top sealing tab wrapping are avoided, meanwhile, the production cost is effectively reduced, and the working efficiency is improved. In addition, the invention further provides a working flow of the debugging device. The working stability and efficiency of the debugging device are improved.

Description

Technical field [0001] The invention belongs to the technical field of batteries, and specifically relates to a debugging device for folding tabs before top-sealing of a bare cell and its working process. Background technique [0002] In the production process of polymer lithium-ion batteries, in order to reduce top-seal dislocation during top-seal packaging, the crescent mark of the tab position, and the top-seal package tabs, the tabs need to be folded before the top-seal of the bare cells. [0003] In the prior art, when the device is debugged with a folded tab, bare batteries are used for debugging. Due to the lack of standards for testing the height of the folded tab, the bending height of the tab after debugging deviates from the actual requirements, resulting in top sealing Misplacement, the appearance of crescent marks on the position of the tabs, and the appearance of defective products such as the top-packed tabs; the main defects of the prior art are: 1. There is no stan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D7/06B21D43/00H01M2/26H01M10/058H01M50/531
CPCB21D7/06B21D43/003H01M10/058H01M50/531Y02E60/10Y02P70/50
Inventor 杨钧钧涂国焕贾兴郑明清杨山陈杰李载波
Owner HUIZHOU LIWINON NEW ENERGY TECH CO LTD
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