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Special-shaped pipe joint production process

A production process and special-shaped pipe technology, which is applied in the production process field of special-shaped pipe joints, can solve the problems of low production efficiency and low embossing strength, and achieve the effects of improving strength, ensuring coaxiality, and achieving size requirements

Active Publication Date: 2017-01-11
BINKE AUTOMOBILE FASTENER KUNSHAN
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

At present, both the internal thread 14 and the external thread 15 are completed by turning to ensure the coaxiality of the internal and external threads 14, 15 and to ensure that the rod 13 will not be deformed, but the production efficiency of the turning process is low and the embossing not high strength

Method used

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  • Special-shaped pipe joint production process
  • Special-shaped pipe joint production process
  • Special-shaped pipe joint production process

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Embodiment Construction

[0019] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that all the drawings of the present invention are in simplified form and use inaccurate scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0020] The special-shaped pipe joint production process provided by the invention, such as figure 2 shown, combined with Figures 1a to 1b , including the following steps:

[0021] S1: Use cold heading device to cold heading flange 11 and rod part 13 to form semi-finished products;

[0022] S2: Extrude the internal thread 14 by using the thread extrusion process, specifically, the thread extrusion process is completed by the machine tool without cutting the thread;

[0023] S3: Use a three-axis roll...

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Abstract

The invention relates to a production technique for an irregular pipeline connector. The production technique comprises the following steps: S1) utilizing a cold-heading device to cold-head a flange and a rod part; S2) extruding inner threads by adopting a tooth-extruding technique; S3) adopting a three-shaft tooth rolling machine for rolling outer threads. According to the invention, the inner threads are finished by adopting an extruding technique, so that the coaxiality of the inner and outer threads is ensured while the strength of tooth threads is increased.

Description

technical field [0001] The invention relates to a production process for special-shaped pipeline joints used in automobile pipeline systems. Background technique [0002] In the pipeline system of automobiles, a special-shaped pipeline joint 10 is usually required, please refer to Figure 1a and 1b , the special-shaped pipeline joint 10 includes a flange 11 and a rod 13, the flange 11 is provided with an inner groove 12, and the inside and outside of the rod 13 are respectively provided with an internal thread 14 and an external thread 15, the The diameter of the internal thread 14 is 10 mm, and the diameter of the external thread 15 is 16 mm, so the rod portion 13 is easily deformed during thread processing. At present, both the internal thread 14 and the external thread 15 are completed by turning to ensure the coaxiality of the internal and external threads 14, 15 and to ensure that the rod 13 will not be deformed, but the production efficiency of the turning process is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B21C23/02
CPCB21C23/02B23P15/00B23P2700/11
Inventor 段森月汪红兵路凤
Owner BINKE AUTOMOBILE FASTENER KUNSHAN
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