Cutting method for electrode coating

A cutting method and coating technology, which is applied in the direction of electrode manufacturing, laser welding equipment, manufacturing tools, etc., can solve the problems of affecting battery performance, low work efficiency, and unsuitable electrode sheet cutting, etc., so as to improve the qualified rate of batteries and improve battery life Core quality, the effect of ensuring process stability

Inactive Publication Date: 2012-08-22
NINGBO ZIYU AUTOMATION EQUIP DEV
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Problems solved by technology

However, such a process may produce burrs. The burrs may puncture the diaphragm between the positive and negative electrodes and cause a short circuit between the positive and negative electrodes of the battery. In severe cases, the battery may explode.
Moreover, the service life of the mechanical cutter will be affected by the material of the pole piece. After a period of use, maintenance is required, and the maintenance and repair costs are relatively high, and the mechanical cutter is not suitable for cutting pole pieces with irregular fracture shapes.
In additio

Method used

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  • Cutting method for electrode coating
  • Cutting method for electrode coating

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Embodiment Construction

[0013] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0014] Such as figure 1 As shown, a laser cutting method for electrode coating mainly has the following steps: First, the pole piece is sent to the blanking and cutting station through the storage system to cut the pole piece into a pole piece according to the specified size with a laser knife (large ), suck the cut pole piece through the suction cup, put it into the empty station (X direction) by induction, and remove the large suction cup (there are n different stations in the X direction according to the demand); the large pole piece The piece slides freely and enters the Y 1 Direction (A station), which passes through the surface of the pole piece and the dust removal device around it; use the sixteen small suction cups on the top (there are 32 small suction cups, divided into upper and lower sides) ...

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Abstract

The invention discloses a cutting method for electrode coating. The cutting method comprises the following steps: firstly feeding a pole piece to the blanking procedure smoothly by a piece storage system, blanking and cutting the electrode coating with a laser knife according to the given size and then feeding the blanks to the forming procedure smoothly by the piece storage system to undergo forming cutting. The cutting method is characterized in that the two procedures are completed through laser cutting; the gripping and conveying procedure of the electrode coating is automatically completed by a machine; and dust collection devices are arranged in the forming procedure. By adopting the method, not only is the labor cost reduced and the stability of the pole piece cutting process ensured, but also the work efficiency is improved.

Description

technical field [0001] The invention relates to a method for manufacturing a lithium battery, in particular to a cutting method for electrode coating. Background technique [0002] In the production process of the product lithium battery, the forming and cutting process of the electrode sheet is a very important process in the whole production process, which directly affects the production efficiency, quality and quantity of the product. In the general production process, people’s blanking and forming process for electrode sheet coating is to manually send the electrode coating to the bottom of the pressing mechanism, and use the die to punch to obtain the electrode sheet of the desired shape. However, such a process may produce burrs, which may puncture the diaphragm between the positive and negative electrodes and cause a short circuit between the positive and negative electrodes of the battery. In severe cases, the battery may explode. Moreover, the life of the mechanica...

Claims

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Application Information

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IPC IPC(8): B23K26/38B23K26/42H01M4/04B23K26/70
CPCY02E60/10
Inventor 闻人红雁王为希
Owner NINGBO ZIYU AUTOMATION EQUIP DEV
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