Automatic thread punching die for lock support

Abstract

The invention discloses an automatic thread punching die for lock support and relates to the field of car part production. The automatic thread punching die comprises a die base and a die core. The die core comprises a female die body. The female die body comprises an upper core bar and a lower core bar. The upper core bar and the lower core bar are detachably fixed. The lower core bar comprises abody and a protruding portion arranged on the upper portion of the body. The body and the protruding portion are of a cylinder shape. The radius of the cross section of the protruding portion is smaller than the radius of the cross section of the body. The lower portion of the upper core bar is of a cylinder shape. The radius of the cross section of the lower portion of the upper core bar is equal to that of the cross section of the body. The axis of the lower portion of the upper core bar, the axis of the protruding portion and the axis of the body coincide. The lower end face of the upper core bar is provided with a concave opening portion fit with the protruding portion in a corresponding manner. The vertical height of the concave opening portion is smaller than that of the protrudingportion. According to the automatic thread punching die for lock support, the demoulding process is easy to operate, the working efficiency can be improved, damage to the female die body in the demoulding process is avoided, the service life of the die core is prolonged, and the cost of enterprises is saved.

Description

technical field [0001] The invention relates to the field of auto parts production, in particular to a lock support automatic thread punching die. Background technique [0002] Lock braces are an important auto accessory. The lock support is provided with an external thread, and the traditional lock support thread forming process generally adopts an extrusion process. The lock support mouth after extrusion thread forming has an inwardly protruding convex ring structure, which is easy to cause the problem of difficult demoulding of the die die. In the prior art, it is necessary to take out the die and the product at the same time after stamping, and perform separate demoulding work at the auxiliary station when the die is demolded by the lock support punching thread die. Due to the need for separate demoulding work, the work efficiency of the lock support punching thread is reduced, and the die is easily damaged during the process of taking the die, which shortens the servi...

AI Technical Summary

Problems solved by technology

[0003] In view of the above existing problems, the present invention provides a lock support automatic thread punching die to solve the problem in the prior art that it is difficult to demould the mold die after the lock support punches the thread. The die is set as a detachable fixed structure up and down, Separating the upper and lower structures of the die can easily realize the demoulding operation of the die die. The operation process is simple and fast, which improves the work efficiency of the lock support punching thread; avoids damage to the die during the demoulding process and prolongs the life of the core. Long service life, save the cost of the enterprise

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