Feeder fixture nozzle-lathed bolt molding process
A technology for turning bolts and forming processes, applied in the directions of bolts, threaded fasteners, connecting components, etc., can solve the problems of many processes and low production efficiency, and achieve the effect of shortening intermediate links and improving production efficiency.
Inactive Publication Date: 2011-11-16
JIANGSU HUACAN TELECOMM
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Problems solved by technology
The disadvantage of this process method is: after the rod body is flattened and trimmed at the end of the cold heading machine, it needs to be manually taken out and placed on the lathe to carve the outer circle of the riveting tip and drill the inner hole. There are many procedures and low production efficiency.
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[0007] The accompanying drawing shows a schematic diagram of the finished product structure of the feeder fixture nozzle bolt. The end of the bolt body 1 is a hexagonal end 2 and the top end is a riveting nozzle 3 .
[0008] The specific manufacturing process is as follows: first, the steel circle is cut into a rod-shaped blank;
[0009] The rod-shaped blank is placed in the cold heading machine, which has a pre-press forming station, an end hexagon cutting station, a riveting nozzle outer circle forming station and a riveting nozzle inner hole forming station, which are arranged in sequence. The station is equipped with a corresponding mold. First, the rod-shaped blank enters the pre-pressing forming station, and is pre-pressed into a T-shaped rod body with a flattened rear end; Punching into a hexagonal shape; the outer circle of the riveting nozzle at the front end of the T-shaped rod body is pressed by the riveting nozzle outer circle forming station; the riveting nozzle i...
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The invention relates to a feeder fixture nozzle-lathed bolt molding process, which is characterized by comprising the following steps of: cutting a steel dome into a rod-shaped blank; prepressing the rod-shaped blank into a T-shaped rod body with a flat rear end by using a cold header; punching the flat rear end of the T-shaped rod body into a hexagon by using the cold header; pressing by using the cold header to form the excircle of a riveting nozzle at the front end of the T-shaped rod body; pressing by using the cold header to obtain a riveting nozzle inner hole at the front end of the T-shaped rod body to form the riveting nozzle; and performing thread rolling on the T-shaped rod body by using a thread rolling machine to obtain a hexagon bolt with the riveting nozzle at the front end. The invention has the advantages that: by the feeder fixture nozzle-lathed bolt molding process, the hexagon terminal at the tail end of the bolt and the riveting nozzle at the top end of the bolt can be directly manufactured in the cold header, the bolt is not required to be taken out to lathe the excircle and the inner hole of the riveting nozzle, intermediate links are greatly shortened, and manufacturing efficiency is improved.
Description
technical field [0001] The invention relates to a process for forming bolts of feeder clamps. Background technique [0002] In the production process of feeder clamps and nozzle bolts with traditional technology, the steel circle is first cut into a rod-shaped blank, and then the rod is placed in a cold heading machine to flatten its end to form a T-shaped rod, and the edge is trimmed to make the end into a hexagonal shape. Shape, then the outer circle of the riveting tip on the top of the rod body and the inner hole of the riveting tip are drilled, and finally the thread is rolled to form the screw. The disadvantage of this process method is: after the rod body is flattened and trimmed at the end of the cold heading machine, it needs to be manually taken out and placed on the lathe for turning the outer circle of the riveting nozzle and drilling the inner hole. The process is numerous and the production efficiency is low. Contents of the invention [0003] The technical ...
Claims
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IPC IPC(8): B21K1/50
Inventor 司晓勇王桂权
Owner JIANGSU HUACAN TELECOMM