Demolding mechanism for full circle internal reverse clamp of automotive air inlet pipe

Abstract

The invention relates to a demolding mechanism for a full circle internal reverse clamp of an automotive air inlet pipe. The demolding mechanism comprises a core shaft, a core-pulling device, a plurality of slanted slide blocks and a slanted slide block seat, wherein the core shaft is provided with even-numbered slant planes (at least 6); each slant plane comprises a first slant plane and a second slant plane; the first slant plane and the second slant plane are arranged at intervals; an included angle between the first slant plane and the axis of the core shaft is larger than that between the second slant plane and the axis of the core shaft; the number of the slant slide blocks is the same as that of the slant planes; each slant slide block comprises a first slant slide block matched with the first slant plane and a second slant slide block matched with the second slant plane; the slant slide blocks and the slant planes are provided with sliding connection mechanisms which are matched with one another; and when the core-pulling device drives the core shaft to be pulled out, the slant slide blocks are driven by the matched slant planes to move towards the center of the core shaft. The demolding mechanism for the full circle internal reverse clamp of the automotive air inlet pipe has the advantages of smart action principle, simple and compact structure and contribution to manufacturing and popularization.

Description

technical field [0001] The invention relates to an injection mold for an automobile air intake pipe, and more specifically, relates to a demoulding mechanism for full-circle inner undercut of an automobile air intake pipe. Background technique [0002] The shape and structure of automobile intake pipes are generally more complicated, with undercuts on the inside and outside, and a full-circle inner undercut at the interface, which places very high requirements on the design of injection molds. like figure 1 As shown, the full-circle inner undercut means that there is a full-circle side convex or undercut on the inner wall of the injection molded part. When the depth of the undercut is not large, it can be demoulded by means of forced demoulding, but for undercuts such as automobile intake pipes Injection molded parts with a relatively large depth are not suitable for forced demoulding, and the product is easy to crack. For this reason, there are also some new demoulding me...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a simple, compact and easy-to-manufacture vehicle-mounted mold for the disadvantages of the existing full-circle inner undercut stripping mechanism and method, which are not compact enough and difficult to manufacture. The demoulding mechanism of the inner side of the full circle of the trachea

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