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Internal high-pressure forming device and method for pipe with flange edge

A technology of internal high pressure forming and flange edge, which is applied in the field of internal high pressure forming to achieve the effect of reducing processing procedures, increasing processing speed and reducing workpiece weight

Active Publication Date: 2022-05-03
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the internal high pressure forming technology has not yet been used to form pipe members with flanges. Based on the above background, the present invention proposes a device and method for internal high pressure forming of pipes with flanges.

Method used

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  • Internal high-pressure forming device and method for pipe with flange edge
  • Internal high-pressure forming device and method for pipe with flange edge
  • Internal high-pressure forming device and method for pipe with flange edge

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] The invention provides an internal high-pressure forming device for a pipe with a flange, which includes a pipe, a workbench and a forming device;

[0039] The forming device is fixedly installed on the wor...

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Abstract

The invention discloses an internal high-pressure forming device and method for a pipe with a flange edge. The internal high-pressure forming device comprises the pipe, a workbench and a forming device. The forming device is fixedly installed on the workbench, a groove with a flange edge is formed after the forming device performs die assembly forming, and the pipe is provided with the flange edge after being placed in the groove and machined and formed. According to the method, the hollow pipe fitting with the flange edge is formed in one procedure, and the mechanical property of the formed workpiece is superior to that of a traditional stamping and welding workpiece; the hollow pipe fitting processed by using the internal high-pressure forming process is light in weight, so that materials can be saved, and energy conservation and emission reduction can be realized.

Description

technical field [0001] The invention relates to the technical field of internal high pressure forming, in particular to an internal high pressure forming device and method for a pipe with a flange. Background technique [0002] Since the 21st century, people's living standards have been improving day by day, and private cars have become a necessity for almost every family. This has greatly increased the number of cars in the world, and the exhaust emissions of cars have also become an important source of pollution. It is imperative to reduce the exhaust gas emission of automobiles. Automobile lightweight is an important means to reduce automobile exhaust emissions. Automobile lightweight is divided into structural lightweight and material lightweight. Internal high pressure forming technology is an advanced technology to realize structural lightweight. [0003] In the current automobile assembly process, the connection method of hollow pipe components mainly relies on the ...

Claims

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Application Information

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IPC IPC(8): B21D35/00B21D22/02B21D26/033B21D26/047
CPCB21D35/002B21D22/025B21D26/033B21D26/047
Inventor 张鑫龙李文强郑宸曦
Owner NORTHEAST FORESTRY UNIVERSITY
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