Injection mold for automobile door frame

Abstract

An injection mold for an automobile door frame is composed of an upper fixing plate (1), an upper mold base (2), an upper mold body (3), a lower mold body (4), a lower mold base (5), cooling water channels (6) and lifting lugs (7). The lower mold body (4) is fixed to the upper portion of the lower mold base (5). The upper fixing plate (1) is fixed to the upper portion of the upper mold base (2). The upper mold body (3) is fixed to the lower portion of the upper mold base (2). Mold base guiding columns (3-1) are arranged between the upper mold body (3) and the lower mold body (4). The upper mold body (3) and the lower mold body (4) are internally provided with the multi-loop cooling water channels (6). A T-shaped air guiding groove (3-6) is formed in the middle of the upper mold body (3). After mold combining, air is exhausted out of the mold through the T-shaped air guiding groove (3-6). During mold opening, a sliding block (3-5) can move downwards in a groove opening and disengage out of a buckle part of the door frame. The injection mold is simple in structure and convenient to operate, and the one-time forming rate of products is increased.

Description

technical field [0001] The invention relates to the field of injection molds, in particular to a door frame injection mold for large trucks. Background technique [0002] Plastic injection molding The process mainly includes 5 stages of mold closing-filling-pressure holding-cooling-demolding. The door frame of the car door is generally made of plastic injection molding, but because the door frame of the car door is a triangular structure, and it is a thin-walled part. In terms of installation method, on the one hand, the car door should be easy to install. On the other hand, the door frame includes the installation of the car door handle, the location of the audio installation, etc., and these are places that are relatively prone to failure. Therefore, when making the door frame, it is necessary to reinforce the door frame to achieve the purpose of repeated disassembly without damage. The door frame is generally installed with fasteners, and bolts and other fasteners are ra...

AI Technical Summary

Problems solved by technology

[0002] Plastic injection molding The process mainly includes 5 stages of mold closing-filling-pressure holding-cooling-demolding. The door frame of the car door is generally made of plastic injection molding, but because the door frame of the car door is a triangular structure, and it is a thin-walled part. In terms of installation method, on the one hand, the car door should be easy to install. On the other hand, the door frame includes the installation of the car door handle, the location of the audio installation, etc., and these are places that are relatively prone to failure. Therefore, when making the door frame, it is necessary to reinforce the door frame to achieve the purpose of repeated disassembly without damage. The door frame is generally installed with fasteners, and bolts and other fasteners are rarely used, so the appearance is more beautiful. However, for During the processing of this U-shaped thin-walled injection mold, attention should be paid to the injection molding process and the treatment of gates and runners. Under the general process route, this U-shaped plastic part is relatively easy to deform, so not only injection molding, but also injection molding is required. It also needs to be reshaped

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