Rapid cold stretch bending technology for thin-walled small-radius pipes

A small-radius, cold-drawn bending technology, applied in the field of pipe bending, can solve the problems of messy workplaces, unfavorable health of workers, poor air quality, etc., and achieve the effect of good pipe quality, simple structure and good support.

Inactive Publication Date: 2017-07-04
珠海市骏力弯管设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, the workplaces infused with rosin are also very messy, and the air quality in the work is also very bad, which is not conducive to the health of the staff.

Method used

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  • Rapid cold stretch bending technology for thin-walled small-radius pipes
  • Rapid cold stretch bending technology for thin-walled small-radius pipes
  • Rapid cold stretch bending technology for thin-walled small-radius pipes

Examples

Experimental program
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Effect test

Embodiment Construction

[0019] like Figure 1 to Figure 4 As shown, in this embodiment, the thin-walled small-radius pipe rapid cold-drawing bending technology uses a thin-walled small-radius pipe bender to perform rapid cold-drawn bending of thin-walled small-radius pipes, and the thin-walled small-radius pipe bend The pipe machine includes a body 1 and a fixed arm 2 arranged on the body 1, a rotating arm 3 and a pipe bending die, and the fixed arm 2 and the rotating arm 3 are all arranged on the body 1; Mold comprises guide mold 1a, clamping mold 2a, circular mandrel 3a and anti-wrinkle mold 4a, described circular mandrel 3a is provided with the straight die 5a that matches with described clamping mold 2a, and described anti-wrinkle mold 4a sticks Lean against one side of the circular core mold 3a, and the end of the anti-wrinkle mold 4a is provided with an arc suitable for the circular core mold 3a, and the guide mold 1a is located on the side of the clamp mold 2a Front and compatible with the an...

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PUM

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Abstract

The invention discloses a rapid cold stretch bending technology for thin-walled small-radius pipes and aims to provide a rapid cold stretch bending technology which is high in pipe bending efficiency, capable of preventing the pipes from wrinkling during bending and realizing smoothness of the bending surface and used for the thin-walled small-radius pipes. A thin-walled small-radius pipe bending machine is adopted to perform rapid cold stretch bending on the thin-walled small-radius pipes and comprises processing steps as follows: a, core feeding; b, clamping; c, bending; d, core retreating; e, clamping release; f, guide mold release. The rapid cold stretch bending technology is applied to the technical field of bending of the thin-walled small-radius pipes.

Description

technical field [0001] The invention relates to a pipe bending technology, in particular to a rapid cold drawing bending technology of thin-walled small-radius pipes. Background technique [0002] The bent pipe is bent by a complete set of bending molds, which are divided into two processes: cold simmering and hot pushing. The minimum bending radius depends on the material properties, the bending angle, the allowable amount of thinning on the outside of the bent tube wall and the size of the inner wrinkling, and the size of the ellipticity of the bend. The current pipe bending method is generally difficult to apply to thin-walled small-radius pipes, such as pipes with specifications such as φ10 mm×1 mm, φ20 mm×1 mm and φ30 mm×1 mm. [0003] At present, some people use the method of pouring rosin to bend thin-walled small-radius pipes. The method of pouring rosin is to melt the rosin and fill it into a thin-walled small-radius stainless steel pipe. Melt and pour. However, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D9/12B21D9/16B21D9/03B21D37/10
CPCB21D9/125B21D9/03B21D9/16B21D37/10
Inventor 梁杏雄
Owner 珠海市骏力弯管设备有限公司
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