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A battery spot welding mechanism

A welding mechanism and spot welding technology, which is applied in the field of machinery, can solve problems such as the decline in product qualification rate, low production efficiency, and increased production processes, and achieve the effects of reasonable structural design, smooth movement, and good flexibility

Inactive Publication Date: 2019-01-18
ZHONGYIN NINGBO BATTERY CO LTD
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Problems solved by technology

However, when spot welding a square battery, it is often necessary to perform two spot welding processes, which significantly increases the production process and relatively low production efficiency; on the other hand, two successive spot welding may result in a Some damage to the stability will affect the working performance of the prismatic battery, which will lead to a decline in the pass rate of the product

Method used

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  • A battery spot welding mechanism
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Embodiment Construction

[0024] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0025] Such as figure 1 with figure 2 As shown, the battery spot welding mechanism includes:

[0026] support 10;

[0027] The welding mechanism is connected with the support 10, and two sets of welding needles 25 are arranged on the welding mechanism;

[0028] The adjusting mechanism is connected with the welding mechanism, and the adjusting mechanism can drive the welding needle 25 to move in the vertical direction.

[0029] The spot welding welding method can not damage the internal structure of the workpiece to be welded, and the welding quality is relatively good. However, when spot welding a square battery, the existing spot welding equipment often requires two spot welding procedures, which significantly increa...

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Abstract

The invention provides a battery spot welding mechanism and belongs to the technical field of machinery. The problem that an existing battery spot welding mechanism is bad in spot welding effect is solved. The spot welding mechanism comprises a supporting seat, a welding mechanism and an adjusting mechanism. The welding mechanism is connected with the supporting seat. Two sets of welding needles are arranged on the welding mechanism. The adjusting mechanism is connected with the welding mechanism and can drives the welding needles to move vertically. The battery spot welding mechanism has the advantage of good spot welding effect.

Description

technical field [0001] The invention belongs to the technical field of machinery and relates to a battery spot welding mechanism, in particular to a spot welding mechanism for spot welding a square battery. Background technique [0002] The existing battery spot welding machines basically use the principle of double-point overcurrent welding to spot-weld the battery, that is, pressurize the workpiece through two electrodes so that the two layers of metal form a certain contact resistance under the pressure of the two electrodes. At this time, when the welding current flows from one of the electrodes to the other electrode, an instantaneous thermal fusion is formed at the two contact resistance points, and the welding current flows from the other electrode along the two workpieces to the electrode to form a circuit to complete the battery spot welding. [0003] Such a welding method can not damage the internal structure of the workpiece to be welded, and the welding quality i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K37/02
CPCB23K37/0252
Inventor 卜松松陈斌尹嘉伦马雪杰王宏辉丁言军郑琦李志宏王玉明
Owner ZHONGYIN NINGBO BATTERY CO LTD
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