Lithium battery winding core tab detection device and lithium battery production line

A detection device, lithium battery technology, applied in the direction of measuring devices, secondary batteries, electrochemical generators, etc., can solve the problems of low efficiency, manual detection, high work intensity, etc., to achieve reduced labor intensity, long service life, The effect of saving manpower

Active Publication Date: 2021-03-26
浙江双元科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the lugs are divided into positive lugs and negative lugs, and each lug includes more pole pieces, the traditional detection of the number of pole pieces and the quality of the pole pieces is bent, complete, or damaged. ) requires manual inspection, which has defects such as low efficiency and high work intensity

Method used

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  • Lithium battery winding core tab detection device and lithium battery production line
  • Lithium battery winding core tab detection device and lithium battery production line
  • Lithium battery winding core tab detection device and lithium battery production line

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as Figures 1 to 7 As shown, a lithium battery winding core tab detection device includes a frame 1, an adjustment mechanism 2 for bending the horizontal tab 5 is installed on the frame 1, and an adjustment mechanism 2 for bending the tab is installed on the adjustment mechanism 2. The bending plate 3 of 5, when detecting, the gap between the outer ends of the adjacent 5 pieces of tabs becomes larger after the tab 5 collides with the bending plate 3, and the gap between the outer ends of the adjacent tabs becomes larger. , the tab 5 is in contact with the transparent plate 4 . The bending here only refers to the bending without destroying the pole piece 6. Since the pole piece 6 of the tab 5 is made of elastic metal sheet, the pole piece 6 has a certain deformation recovery ability, and the purpose of bending the pole piece 6 is only for By increasing the distance between the ends of adjacent pole pieces 6, the tabs 5 can return to a horizontal state after the con...

Embodiment 2

[0036] Such as Figure 1 to Figure 7 As shown, a lithium battery winding core tab detection device is different from Embodiment 1 in that a "eight" shape with an opening downward is formed between the two bent plates 3, and the initial position of the mounting frame 10 is At the upper end, when testing, the adjusting cylinder 9 drives the mounting frame 10 to move down to conflict with the pole lug 5 .

Embodiment 3

[0038] Such as Figure 1 to Figure 7 As shown, a detection device for lithium battery core tabs differs from Embodiment 1 in that the number of bent plates 3 in this embodiment is one, and the number of cylinders 9 and mounting frames 10 is adjusted accordingly. for one.

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PUM

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Abstract

The invention relates to the field of lithium battery production detection, and discloses a lithium battery winding core tab detection device and a lithium battery production line, wherein an adjustment mechanism for bending a horizontal tab (5) is installed on a frame (1) ( 2), the adjustment mechanism (2) includes a bending plate (3) used to bend the tab (5), during detection, after the tab (5) collides with the bending plate (3) and the adjacent tab is bent (5) The gap between the outer ends of the sheets becomes larger, and the bent plate (3) includes a transparent plate (4). During detection, the tab (5) is in contact with the transparent plate (4). By bending the lugs to increase the distance between the ends, the vision system can be used on the detection lugs, which greatly improves the detection efficiency, saves manpower, reduces labor intensity, and facilitates automatic implementation.

Description

technical field [0001] The invention relates to the field of lithium battery detection, in particular to a detection device for lithium battery winding core tabs and a lithium battery production line. Background technique [0002] Batteries are widely used in many fields, especially mobile phones and electronics industries, due to their outstanding characteristics such as high working voltage, large specific energy, and low self-discharge. The structure, performance and manufacturing process of lithium batteries have also been continuously improved. With the continuous development of lithium battery applications, the automotive industry is gradually using lithium batteries to provide power. At present, the structure of lithium batteries mainly includes laminated type and winding type. The present invention relates to a winding lithium battery. At present, the battery core of the wound lithium battery includes a positive electrode sheet, a negative electrode sheet, a separ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/88G01N21/01H01M10/0525H01M10/0587
CPCY02E60/10Y02P70/50
Inventor 胡美琴郑建王存博
Owner 浙江双元科技股份有限公司
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