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An inflatable metal stamping die for auto parts

A metal stamping and spare parts technology, applied in the field of inflatable metal stamping dies for auto parts, can solve problems such as deviation, low detection efficiency, time-consuming and laborious, and problems with the appearance of stamped products, and achieve the effect that it is not easy to fall off directly

Active Publication Date: 2021-11-02
南通际维机电设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the current metal molds inevitably have deviations during stamping, resulting in problems with the appearance or quality of the stamped products, or local springback of the stamped products. In the prior art, the stamped products are often processed after stamping. Detection, not only the detection efficiency is low, time-consuming and labor-intensive, but also requires targeted secondary stamping for unqualified products

Method used

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  • An inflatable metal stamping die for auto parts
  • An inflatable metal stamping die for auto parts
  • An inflatable metal stamping die for auto parts

Examples

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Embodiment 1

[0042] see Figure 1-4 , an inflatable metal stamping die for auto parts, comprising a press table 1, a fixed mold 2 and a movable mold 3 are installed on the upper end of the press table 1, and the fixed mold 2 is located at the lower side of the movable mold 3, and the fixed mold 2 is set There are a plurality of detection slots, and a matching detection block 5 is arranged in the detection slot. The detection block 5 includes a detection end 51, an extension end 52 and a plurality of support bars 53, and the extension end 52 and the support bars 53 are fixedly connected to the detection end 51. The lower end, and the extension end 52 is located at the center, the support bars 53 are distributed in a circular array around the extension end 52, the outer air film 6 is fixedly connected on the bottom wall of the detection groove, and the detection block 5 penetrates the outer air film 6 and extends to its inner side, the outer Marking powder 8 is distributed on the gas film 6 ...

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Abstract

The invention discloses an inflatable metal stamping die for auto parts, which belongs to the technical field of stamping. The invention can squeeze the inside of the detection groove when metal is stamped by setting detection grooves at multiple positions on the fixed mold. The detection block fits into it. If there is a deviation or the shape rebounds, the detection block will not enter the detection slot as a whole but will leave a gap. Use an electromagnet to apply a magnetic field to the marking powder to squeeze the outer air film, and then cancel the magnetic field Under the action of the expansion of the outer air film, the inertia of the object can be used to push the marking powder to be released from the gap to mark the deviation. Compared with the prior art, the present invention can realize the detection of the stamping accuracy during the stamping process, and Locate the defect area.

Description

technical field [0001] The invention relates to the technical field of stamping, and more specifically relates to an inflatable metal stamping die for auto parts. Background technique [0002] Cold stamping is a pressure processing method that uses a stamping die to apply pressure to the sheet on the press at room temperature to cause plastic deformation or separation to obtain parts of the desired shape and size. In the cold stamping process, the cold stamping die is the process equipment used in the stamping process. Advanced stamping process cannot be realized without advanced cold stamping die. Stamping equipment, molds and process conditions are the three elements of stamping processing. [0003] Since the stamping process must have the corresponding mold, and the mold is a technology-intensive product, its manufacture is a single piece of small batch production, with the characteristics of difficult processing, high precision, high technical requirements, and high pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D37/10B21C51/00B21D22/02
CPCB21D37/10B21C51/00B21C51/005B21D22/02
Inventor 熊义旺
Owner 南通际维机电设备有限公司
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