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A lithium battery pole piece punching knife die

A punching knife and lithium battery technology, applied in metal processing equipment, feeding devices, manufacturing tools, etc., can solve the problems of gaps in the pole pieces and waste of raw materials of the pole pieces, so as to improve the utilization rate, reduce the material cost, reduce the Effect of pole piece material cost

Active Publication Date: 2017-04-12
XIAN SAFTY ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional die-cutting knife die completes the production of pole pieces through the coordinated cooperation of the die-cutting machine or the punching machine and the movement of the base material. There will be gaps between the pole pieces, and the raw materials of the pole pieces are seriously wasted in the production process.

Method used

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  • A lithium battery pole piece punching knife die
  • A lithium battery pole piece punching knife die
  • A lithium battery pole piece punching knife die

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 , image 3 and Figure 4 As shown, the lithium battery pole piece punching knife die of this embodiment includes a template base 1 and a set of punching knives vertically arranged on the template base 1 and used for single-row punching of lithium battery pole pieces. The punching knife set includes tab-top punching knife 2, bottom edge punching knife 3 and side edge punching knife 4;

[0035] The tab-top edge punching knife 2 includes a right top chamfering punching knife 2-5, a left top chamfering punching knife 2-4, and a left top straight edge punching knife 2-4 connected in sequence from left to right. 2. Tab punching knife 2-1 and right top straight edge punching knife 2-3, said bottom edge punching knife 3 includes right bottom chamfering punching knife 3-3, left Bottom chamfering punching knife 3-2 and bottom straight edge punching knife 3-1, described left top straight edge punching knife 2-2 and right top straight edge punching knife 2-3 are...

Embodiment 2

[0043] In this embodiment, the lithium battery pole piece punching knife die can perform double-row punching on the lithium battery pole piece.

[0044] Such as figure 2 , image 3 and Figure 5 As shown, the lithium battery pole piece punching knife die of this embodiment includes a template base 1 and two sets of punching knife sets vertically arranged on the template base 1 and used for double-row punching of the lithium battery pole piece, each The punching knife sets described in one group all include the tab-top edge punching knife 2, the bottom edge punching knife 3 and the side edge punching knife 4, and the bottom edge punching knife 3 in the two groups of punching knife sets are in phase. Coincidentally, the tab-top edge punching knife 2 and the side edge punching knife 4 in the two groups of punching knife sets are symmetrically arranged with the straight line where the bottom edge punching knife 3 is located as the center line, and the two groups of punching kni...

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Abstract

The invention provides a lithium battery pole piece punching knife die, which includes a template base and a punching knife set vertically arranged on the template base and used for punching lithium battery pole pieces, the punching knife set Including a tab-top edge punching knife, a bottom straight edge punching knife and a side edge punching knife; the tab-top edge punching knife includes a right top chamfering punching knife, a left top chamfering punching knife, The left top straight edge punching knife, the tab ear punching knife and the right top straight edge punching knife, the left top straight edge punching knife and the right top straight edge punching knife are all parallel to the bottom straight edge punching knife, so The left top straight edge punching knife, the right top straight edge punching knife and the bottom straight edge punching knife are all perpendicular to the side edge punching knife. Using the punching knife die of the present invention can realize continuous punching, and there is no gap between the punched pole pieces, and no gap waste will be generated, thereby improving the utilization rate of raw materials and reducing the cost of pole piece materials.

Description

technical field [0001] The invention belongs to the technical field of punching equipment, and in particular relates to a lithium battery pole piece punching knife die. Background technique [0002] At present, in the production process of lithium batteries, the production of battery pole pieces is generally carried out by continuous die-cutting machine or punching machine, and the pre-designed knife die is used for punching to obtain the pole pieces of the desired size and shape. piece. The traditional punching dies complete the production of pole pieces through the coordination of die-cutting machine or punching machine jumping and substrate movement. There will be gaps between pole pieces, and the raw materials of pole pieces are seriously wasted in the production process. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a lithium battery pole piece punching knife die for the above-mentioned deficiencies in th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D28/14B21D43/05
CPCB21D28/14B21D43/05
Inventor 赵群会李峰王书会陆建军何显峰
Owner XIAN SAFTY ENERGY TECH