Aluminum magnesium alloy stamping part
An aluminum-magnesium alloy and stamping technology, applied in the stamping field, can solve the problems of falling off, personal injury, no protection measures for explosion-proof disc blasting, etc., and achieve the effect of strengthening the overall support force and improving the stability.
Pending Publication Date: 2022-01-21
辛忠来
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Problems solved by technology
[0005] In order to make up for the deficiencies of the existing technology and solve the problem that the explosion-proof sheet of the power battery in the prior art has no protection measures, it is easy to cause the explosion-proof sheet to sputter and fall off after bursting, causing the explosion-proof sheet to splash on other equipment, affecting the normal use of other equipment or To solve the problem of personal injury, the present invention proposes an aluminum-magnesium alloy stamping
Method used
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Embodiment approach
[0032] As an embodiment of the present invention, the cross-section of the explosion-proof "concave" hole 21 is designed in a wave shape, and the middle position of the explosion-proof plate 22 is raised toward the direction away from the splash guard 31;
[0033] Before the explosion-proof plate 22 bursts, due to the continuous increase of the internal air pressure of the battery, the wave-shaped area in the explosion-proof "concave" hole 21 is stretched and deformed with the increase of air pressure at this time, and finally the explosion-proof "concave" hole 21 Stretch in a hemispherical shape, so as to increase the space inside the battery and limit the air pressure. If the air pressure continues to rise after the limit buffer, the explosion-proof plate 22 will be used to burst the pressure. Therefore, inside the battery When the air pressure in the space increases, the inner wall of the explosion-proof "concave" hole 21 stretches and deforms as the air pressure increases, ...
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The invention belongs to the technical field of stamping, and particularly relates to an aluminum magnesium alloy stamping part which comprises a cover plate, an anti-explosion concave hole is stamped in the middle area of the cover plate, an anti-explosion piece is stamped at the bottom end of the anti-explosion concave hole, and a blasting nick is stamped on the inner side of the edge of the upper end of the anti-explosion piece. The thickness of the section of the anti-explosion concave hole and the thickness of the section of the anti-explosion piece are smaller than the thickness of the section of the cover plate, the thickness of the section of the anti-explosion concave hole and the thickness of the section of the anti-explosion piece are equal, a splash guard is installed at the lower end of the cover plate in a stamping fixing mode, and the section of the anti-explosion concave hole is designed to be in a wave shape. According to the invention, the middle area of the torn and separated anti-explosion piece is blocked through the splash guard, and finally the internal air pressure of the battery is exhausted through the exhaust hole of the splash guard, so that unnecessary part damage and personnel injury caused by the sputtering phenomenon due to the fact that the separation area of the anti-explosion piece is completely separated from the body due to overlarge air pressure can be avoided.
Description
technical field [0001] The invention belongs to the technical field of stamping, in particular to an aluminum-magnesium alloy stamping part. Background technique [0002] Stamping parts are formed by applying external force to plates, strips, pipes and profiles by presses and molds to cause plastic deformation or separation to obtain workpieces (stamping parts) of required shape and size. Stamping and forging belong to plastic processing (or pressure processing) and are collectively called forging. The blanks for stamping are mainly hot-rolled and cold-rolled steel sheets and strips. The explosion-proof plate of the power battery is also a kind of stamping part. Usually, the indentation on the battery case is formed to form a simple explosion-proof structure. When the internal pressure of the battery reaches a certain level, the indentation on the battery case will be destroyed due to its weak strength. Open, thereby releasing the internal pressure of the battery to reduce...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01M50/342H01M50/148
CPCH01M50/3425H01M50/148Y02E60/10
Inventor 辛忠来詹伟
Owner 辛忠来