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Bicycle elbow device

A pipe bending device and bicycle technology, which is applied in the field of bicycle pipe bending devices, can solve the problems that the pipe cannot maintain pressure, the pipe is easy to rebound, and the quality is poor, so as to achieve the effect of ensuring product quality

Inactive Publication Date: 2013-02-06
ZHEJIANG NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a bicycle bending device, which can effectively solve the problem that the existing bending process cannot maintain pressure, resulting in easy springback and poor quality of the bent pipe

Method used

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  • Bicycle elbow device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] refer to figure 1 , image 3 In order to invent the embodiments of the bicycle pipe bending device, the bicycle pipe bending device comprises a base plate 1, a pipe bending mold 2, a pneumatic cylinder 3, a first hydraulic cylinder 4, a second hydraulic cylinder 5, a front fixing seat 6, and the pipe bending The mold 2 is fixed on the bottom plate 1, the first hydraulic cylinder 4 and the front fixing seat 6 are fixed on the bottom plate 1 on the right side of the pipe bending mold 2, and the pneumatic cylinder 3 and the second hydraulic cylinder 5 are fixed on the pipe bending mold 2. On the bottom plate 1 on the left side, the pneumatic cylinder 3 is provided with a positioning block 7 matching the head of the elbow, and the first hydraulic cylinder 4 is provided with a pressing block adapted to the surface of the elbow. Block 8, the second hydraulic cylinder 5 is provided with a bending device, the bending device includes a shaft 9, a U-shaped block 10, a slide rail...

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PUM

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Abstract

The invention discloses a bicycle elbow device comprising a bottom plate, an elbow mold, a pneumatic cylinder, a first hydraulic cylinder, a second hydraulic cylinder and a bicycle head fixed seat, wherein the elbow mold is fixed on the bottom plate, the first hydraulic cylinder and the bicycle head fixed seat are fixed on the bottom plate at the right side of the elbow mold, the pneumatic cylinder and the hydraulic cylinder are fixed on the bottom plate at the left side of the elbow mold, a positioning block adaptive to the head of the elbow is arranged on the pneumatic cylinder, a compression block adaptive to the surface of the elbow is arranged on the first hydraulic cylinder, and a buckling device is arranged on the second hydraulic cylinder. The bicycle elbow device has the advantages of being capable of setting holding-up time according to performances of a straight pipe, and further keeping no bouncing of the bent elbow, and ensuring the product quality.

Description

technical field [0001] The invention relates to a bicycle pipe bending device. Background technique [0002] The existing bicycle pipe bends are all made by placing the straight pipe on a punching machine and punching it into a pipe bend. However, because the punching machine presses down and lifts up quickly, it cannot maintain the pressure, resulting in a large rebound of the pipe after bending. The quality of the pipe produced is poor and unstable. Contents of the invention [0003] The object of the present invention is to provide a bicycle pipe bending device, which can effectively solve the problem that the existing pipe bending process cannot maintain pressure, resulting in easy rebound and poor quality of the bent pipe. [0004] In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical proposals: a bicycle pipe bending device, comprising a base plate, a pipe pipe bending mold, a pneumatic cylinder, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D7/06
Inventor 王鸿云毕成
Owner ZHEJIANG NORMAL UNIVERSITY
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