Pole tab smoothing follow-up mechanism and lithium battery winding machine

A follow-up mechanism and pole ear technology, which is used in battery assembly, secondary battery manufacturing, non-aqueous electrolyte storage battery, etc. Simple and practical, good smoothing effect

Pending Publication Date: 2017-08-11
WUXI LEAD INTELLIGENT EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, when the pole piece with tabs passes through the roller, the tabs are easily fol

Method used

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  • Pole tab smoothing follow-up mechanism and lithium battery winding machine
  • Pole tab smoothing follow-up mechanism and lithium battery winding machine

Examples

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[0025] The present invention will be further described below in conjunction with specific drawings.

[0026] In the description of the following specific embodiments, the coordinates are all adopted: figure 1 The direction perpendicular to the paper surface is the front, and vice versa.

[0027] Such as figure 1 As shown, the lug smoothing follow-up mechanism of the present invention includes a frame plate 101, a material reel 102 is rotated on the frame plate 101, a material roll 103 is worn on the material reel 102, and the material roll 103 releases a lug 105 极片104. On the frame plate 101 on the lower right side of the material reel 102, an over-roller shaft 201 is rotatably installed. On the over-roller shaft 201, a driving roller 202 and a balance plate 203 are installed. The balance plate 203 is in an inverted Z shape, and the back of the balance plate 203 Two parallel guide rollers 204 are rotatably installed on the left end of the side. The roller surfaces of the two guide ...

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PUM

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Abstract

The invention relates to a pole tab smoothing follow-up mechanism and a lithium battery winding machine. The follow-up mechanism comprises a rack plate and is characterized in that a roll shaft is mounted on the rack plate; a driving roll and a balance plate are rotationally mounted on the roll shaft; two guide rolls are parallelly mounted at a feed end of the balance plate; roll surfaces of the guide rolls are contacted with a pole piece, and keep away from a pole tab; a guide plate is arranged on the balance plate in discharge directions of the guide rolls; a driven roll is mounted on the balance plate in a discharge direction of the guide plate; the driven roll is matched with the driving roll; roll surfaces of the driving roll and the driven roll can be contacted with the pole piece and the pole tab; counterweight blocks are mounted on the balance plate to keep dynamic balance of the balance plate; a connecting line between contact points of the roll surfaces of the driving roll and the driven roll and contact points of the roll surfaces of the two guide rolls forms a travelling track of the pole tab; and the travelling track is perpendicular to a connecting line of circle centers of the driving roll and the driven roll. The follow-up mechanism smoothes the pole tab when the pole tab keeps a leveling state, avoids a tensile force of the pole tab, and is good in smoothing effect.

Description

technical field [0001] The invention relates to a tab smoothing follow-up mechanism and a lithium battery winding machine, belonging to the technical field of lithium battery winding equipment. Background technique [0002] Lithium-ion power batteries have high working voltage (three times that of nickel-cadmium batteries and nickel-hydrogen batteries), large specific energy (up to 165WH / kg, three times that of nickel-hydrogen batteries), small size, light weight, and long cycle life , low self-discharge rate, no memory effect, no pollution and other properties, so it is used by many power equipment manufacturers. [0003] The main production method of the battery cell is to make it by winding, and its pre-rolled pole piece can have tabs or no tabs. At present, when the pole piece with the tab passes through the roller, the tab is easily folded during the transmission process, causing excessive deformation or even damage to the tab. Contents of the invention [0004] The...

Claims

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Application Information

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IPC IPC(8): H01M4/04H01M10/04H01M10/058
CPCH01M4/0435H01M10/0409H01M10/058Y02E60/10Y02P70/50
Inventor 王冲
Owner WUXI LEAD INTELLIGENT EQUIP CO LTD
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