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Forging forming process of flange pipe yoke and flange pipe yoke formed by this process

A flanged pipe and pre-forming technology, applied in the field of flanged pipe forks, can solve the problems of difficulty in ensuring the coaxial accuracy of two through holes, difficulty in opening two through holes of a fork arm, easy drilling deviation of the fork arm, etc. Achieve the effect of ensuring accuracy and processing efficiency, low forming difficulty, and increasing the strength of the fork arm

Active Publication Date: 2022-01-11
上海长特锻造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the above-mentioned flange fork is processed, on the one hand, it is difficult to open the two through holes of the yoke;

Method used

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  • Forging forming process of flange pipe yoke and flange pipe yoke formed by this process
  • Forging forming process of flange pipe yoke and flange pipe yoke formed by this process
  • Forging forming process of flange pipe yoke and flange pipe yoke formed by this process

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Effect test

Embodiment 1

[0052] Embodiment one: refer to figure 1 , is the forging processing method of a kind of flange pipe fork disclosed by the present invention, comprises the following steps:

[0053] Step 1, blanking, according to the size of the flange pipe fork to be processed, the cut material is used as the raw material.

[0054] Step 2, heating, heating the raw material to the forging temperature;

[0055] Step 3, forging and forming, using die forging to forge the flange pipe fork blank,

[0056] 1) Upsetting, forging the heated original raw material to increase its diameter and shorten its length;

[0057] 2) Preforming, according to the shape of the flange pipe fork to be processed, set the corresponding preforming forging die, and use the preforming forging die to forge the flange pipe forging, preform the chassis of the flange pipe fork and the two fork arms 62 ;

[0058] 3) Forming, according to the shape of the flange pipe fork to be processed, set the corresponding precision fo...

Embodiment 2

[0072] Embodiment two: refer to Image 6, a flanged pipe fork, comprising a bottom ring 61, both sides of a surface of the bottom ring 61 are vertically fixed with fork arms 62, both fork arms 62 are provided with through holes 621, and the axes of the two through holes 621 are at On the same line, bosses 611 are fixed on both sides of the bottom ring 61 corresponding to the fork arm 62 , and installation holes 612 penetrating the bottom ring 61 are opened on the bosses 611 .

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Abstract

The present invention relates to a flange pipe yoke forging forming process and a flange pipe yoke formed by the process, comprising the following steps: step 1, blanking, step 2, heating, step 3, forging and forming, step 4, punching a hole, cutting Side, step 5, air cooling, step 6, shot blasting, step 7, car end face, drilling mounting holes, step 8, wishbone side hole forming, step 9, antirust treatment. The invention has the effect of being able to realize the flange pipe fork with high molding coaxial precision.

Description

technical field [0001] The invention relates to the technical field of shaft yoke processing, in particular to a flange tube yoke forging process and a flange tube yoke formed by the process. Background technique [0002] Tube fork, also known as flange fork, transmission shaft flange fork is an important part of the car, it is the main part connecting the transmission and drive axle and also a part that withstands high-speed transmission. Its structure and processing technology directly affect the performance of the parts, and then affect the power transmission effect of the vehicle. [0003] The existing application announcement number that can be referred to is: CN102107345A Chinese invention patent, which provides a kind of processing method for the flange fork of the universal joint flange of the transmission shaft of heavy-duty vehicles. Through hole, rough turning gear D, F inner hole and inner end surface G; based on the processed inner hole and end surface, rough t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21J5/02B21J5/08B21D28/02B21D28/24B21K1/74B23P15/00F16D3/26
CPCB21J5/002B21J5/02B21J5/08B21D28/02B21D28/24B21K1/74F16D3/26
Inventor 张俊俊林象王振洲王欢李瑞恭
Owner 上海长特锻造有限公司
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