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Pipe-shaped part profiling technology

A part and tubular technology, which is applied in the field of pipe forming process, can solve the problems of large springback, small diameter and high strength, and achieve the effects of complete shape, improved accuracy and reduced labor intensity.

Pending Publication Date: 2018-06-26
青岛中汽特种汽车有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The usual forming equipment is a rolling trigger, but due to the small diameter, high strength and large springback of this type of parts, the plate rolling machine with a suitable diameter cannot meet the strength requirements of direct forming

Method used

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  • Pipe-shaped part profiling technology
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  • Pipe-shaped part profiling technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of tubular part pressing process, concrete steps are as follows:

[0023] (1) Connect the upper mold and lower mold of the mold with the press, put the plate to be formed into the lower mold of the mold, and extrude the plate into two semi-circular arc profiles through the cooperation of the press and the mold mechanism ;

[0024] (2) Replace the mold mechanism of the press, put the two half-arc profiles that have been formed into the lower mold of the replaced mold to form a whole tubular section, insert the mandrel in the middle, and close the upper and lower molds , press extrusion molding;

[0025] (3) Stop the press, slightly open the upper mold of the mold and take out the mandrel;

[0026] (4) Clamp the mold again, press the extrusion machine, and then weld the joints of the tubular profiles.

[0027] The patent of the present invention also relates to a mold mechanism used in conjunction with a press. The mold mechanism includes a mold A and a mold B; ...

Embodiment 2

[0030] The profiling process steps of the tubular part are the same as in Embodiment 1, the difference is that:

[0031] The upper mold of the mold A and the mold B is provided with a mold handle;

[0032] The mold A is provided with a pillar 2 for the upper template to move up and down, and the pillar 2 is provided with a spring for easy mold opening.

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Abstract

The invention provides a pipe-shaped part mold, belongs to the field of pipe fitting manufacturing, and discloses a pipe-shaped part profiling technology. Mold mechanisms comprise an arc profile pressing mold and a pipe-shaped part pressing mold. The two mold mechanisms cooperate with a press, a plate is firstly pressed into a semi-arc profile, and then the semi-arc profile is manufactured into apipe-shaped profile; a joint is welded to complete the whole pipe-shaped part profiling process; and the profiling technology can replace the technology of multi-bending splicing forming of a traditional bending machine, the work efficiency is improved, forming precision is improved, and the labor intensity of workers is reduced.

Description

technical field [0001] The invention relates to the field of pipe fitting manufacturing, in particular to a pipe fitting profiling process. Background technique [0002] At present, in sanitation vehicle models, some high-strength or special performance requirements are applied to tubular parts, such as the vacuum liner of road sweepers. Due to the particularity of these tubular parts, there are no formed pipes on the market, and conventional plates are required. For molding. The usual forming equipment is a rolling trigger, but due to the small diameter, high strength and large springback of this type of parts, a plate rolling machine with a suitable diameter cannot meet the strength requirements of direct forming. Contents of the invention [0003] In order to solve the above problems, the present invention provides a processing technology for such tubular parts. [0004] Tubular parts profiling process of the present invention, the steps are as follows: [0005] (1) ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/10B21C37/08
CPCB21C37/08B21D37/10
Inventor 纪建奕胡文金李观海车发青纪国清
Owner 青岛中汽特种汽车有限公司
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