Manufacturing method of rupture disk
A manufacturing method and technology for explosion-proof discs, which are applied in the direction of manufacturing tools, forming tools, metal processing equipment, etc., can solve the problems of reducing the production cost of explosion-proof discs, and achieve the effect of reducing the amount of materials and reducing costs.
Active Publication Date: 2020-08-21
浙江锦泰电子有限公司
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Problems solved by technology
[0004] In view of this, the embodiment of the present invention is dedicated to providing a method for manufacturing a rupture disc to solve the problem in the prior art that the production cost of the rupture disc needs to be reduced
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] Where possible, the same reference numerals will be used for the same or similar parts referred to by various parts in the drawings.
[0028] In order to reduce the cost of the explosion-proof disk, the inventors studied the production process of the explosion-proof disk, and found that after the explosion-proof disk product fell off from the plate, there were still a lot of materials left on the plate, but the remaining materials could not...
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Abstract
The invention provides a manufacturing method of an explosion-proof slice, and relates to the technical field of power batteries. The method comprises the following steps: arranging a board between afirst die part and a second die part, wherein the first die part comprises a first bump and a first groove which is formed around the first bump, and the size of the first bump is equal to the size ofthe first groove; and controlling the first die part and the second die part to extrude the board, wherein the board is extruded and deformed through the first bump to fully fill the first groove. According to the embodiment, the size of the first bump is equal to the size of the first grove, so that the board is extruded and deformed through the first bump to fully fill the first groove, ratherthan filling areas out of the explosion-proof slice formed on the filling board, and as a result, the material residues on the board can be effectively decreased, and the cost of the explosion-proof slice is decreased.
Description
technical field [0001] The invention relates to the technical field of power batteries, in particular to a method for manufacturing an explosion-proof disk. Background technique [0002] At present, electric vehicles and hybrid vehicles have become the general trend to replace fuel vehicles. As the core power source of electric vehicles, the safety of the power battery pack is particularly important. Specifically, when the power battery pack is working abnormally, a large amount of gas will be generated inside the power battery, which will cause a sharp increase in the internal pressure of the power battery. At this time, if the decompression is not carried out in time, the power battery will explode, causing a safety accident. In order to avoid explosions, explosion-proof discs are usually installed on the power battery to release the pressure inside the power battery, thereby reducing the explosion of the power battery in unexpected situations. [0003] However, for the...
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IPC IPC(8): B21D35/00B21D37/10
Inventor 王洪军王鹏
Owner 浙江锦泰电子有限公司