Manufacturing technology of braking cone

A manufacturing process, cone technology, applied in the manufacturing process of brake cones, can solve the problems of unguaranteed quality, low efficiency, waste of materials, etc.

Inactive Publication Date: 2009-11-18
NINGBO ANCHOR FASTENERS INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As the market's quality and demand for related supporting parts and components have increased significantly, the current domestic production of this product mostly adopts cutting, hot heading, and car repair processing methods, and the comprehensive p

Method used

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  • Manufacturing technology of braking cone

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Embodiment Construction

[0014] A manufacturing process of the brake cone, the billet raw material is made into a disc element material, and then undergoes spheroidizing annealing, pickling, wire drawing and sizing treatment and cuts to form a single brake cone blank, which is carried out in a cold extrusion die The forming process of the brake cone, the forming process of the brake cone includes the following steps:

[0015] 1), use the mechanical fixture to clamp the brake cone blank and send it to the die opening of the first die of the cold extrusion die, the punching tool of the first die pushes the brake cone blank into the die, and the rear end of the die is plugged with a The ejector rod, the front end of the punching tool has a raised step, the inner wall of the bottom of the die has a chamfer, the punching tool applies pressure and squeezes the brake cone blank to flatten and the front end surface has a first positioning hole;

[0016] 2) After mold 1 is formed, the brake cone blank is flipp...

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Abstract

The invention discloses a manufacturing technology of a braking cone, billet steel raw material is made into disk raw material and then subjected to spheroidizing annealing, acid washing, thread-drawing sizing treatment and cutting respectively to form a single braking cone blank, and the molding procedure of the braking cone is conducted in a cold extruding mould. The molding procedure of the braking cone comprises the following steps of: material cutting, material shaping and leveling by upsetting, and forming of an inner bevel positioning hole by upsetting at an upper end; material overturning, shaping, and forming of the inner bevel positioning hole at the other end; punching of a large hole at the inner bevel part of the front end and bunching of an abnormal part at the tail end simultaneously; secondary punching and enlarging of the belly part by upsetting, and leveling of the abnormal part at the tail end simultaneously; material overturning, molding of an excircle by extrusion of an upper die and a lower die, and bunching of the abnormal part at the tail end; and leading-out of residual scrap iron at the middle hole part, thus manufacturing the product with a through hole. The technology promotes the production efficiency and product quality of the braking cone, saves raw material, and reduces the production cost.

Description

technical field [0001] The invention is specifically a manufacturing process of a brake cone. Background technique [0002] The brake cone is a component of the brake device in the bicycle, which consists of a brake cone, a brake pad, a clutch cone, a drive screw, and a brake sleeve. As the market's quality and demand for related supporting parts and components have increased significantly, the current domestic production of this product mostly adopts cutting, hot heading, and car repair processing methods, and the comprehensive performance of process equipment products cannot meet domestic and foreign markets. The production is a waste of materials, and the process is complicated, the processing is difficult, the efficiency is low, and the quality cannot be guaranteed. Contents of the invention [0003] The purpose of the present invention is to provide a manufacturing process of the brake cone, which improves the production efficiency and product quality of the brake co...

Claims

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Application Information

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IPC IPC(8): B23P15/00B21C23/02B21C26/00B21C25/02
Inventor 张金满张金清
Owner NINGBO ANCHOR FASTENERS INDAL
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