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Round material straightening device and straightening method thereof

A round material and straightening technology, which is applied in the field of round material straightening devices to achieve the effect of eliminating tail blind area and local small bending

Inactive Publication Date: 2021-04-30
CHINA NAT HEAVY MACHINERY RES INSTCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a round material straightening device and its straightening method, which are used to overcome the above problems or at least partly solve or alleviate the above problems

Method used

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  • Round material straightening device and straightening method thereof
  • Round material straightening device and straightening method thereof
  • Round material straightening device and straightening method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] refer to figure 1 and figure 2 , The present invention proposes a round bar straightening device, including a frame, the frame is a frame structure, the frame is directly or indirectly assembled with: a first upper drive roller 1 and a first lower drive roller 1 and a first lower drive that are arranged up and down correspondingly. Roller 2; the second upper transmission roller 3 and the second lower transmission roller 4 arranged up and down correspondingly; the third upper transmission roller 5 and the third lower transmission roller 6 arranged up and down correspondingly; the upper concave roller 7 and the lower convex roller arranged up and down correspondingly Roller 8; wherein, the first upper transmission roller 1, the first lower transmission roller 2, the second upper transmission roller 3, the second lower transmission roller 4, the third upper transmission roller 5 and The third lower transmission rollers 6 are distributed along the straightening direction ...

Embodiment 2

[0033] refer to figure 1 , figure 2 , image 3 and Figure 4 , on the basis of Embodiment 1, it also includes a plurality of upper roller frames 9 and a plurality of lower roller frames 11, the first upper transmission roller 1, the second upper transmission roller 3, the third upper transmission roller 5 and the upper concave roller 7 are rotatably arranged on the corresponding upper roller frame 9, the first lower transmission roller 2, the third lower transmission roller 6 and the lower convex roller 8 all rotate are arranged on the respective lower roller frames 11 corresponding to each other.

[0034] A plurality of upper roller frames 9 and a plurality of lower roller frames 11 are divided into upper and lower rows and are vertically assembled on the frame and aligned in the horizontal direction. The first upper drive roller 1, the second upper drive roller 3, the third upper roller Both ends of the movable roller 5 and the upper concave roller 7 are laterally assem...

Embodiment 3

[0036] refer to image 3 , On the basis of Embodiment 2, one end of each of the upper roller frames 9 is provided with an upper roller piston cylinder 10 .

[0037] The upper roller piston cylinder 10 is fixed on the frame, the height of each upper roller frame 10 on the frame can be adjusted separately through the upper roller piston cylinder 10, and the first upper drive roller 1 and the second lower drive roller can be adjusted according to the diameter of the round material. Roll gap between rolls 2, roll gap between second upper drive roll 3 and second lower drive roll 4, roll gap between third upper drive roll 5 and third lower drive roll 6, and upper concave roll 7 Roll gap with lower convex roll 8.

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Abstract

The invention provides a round material straightening device. The device comprises a rack, wherein the rack is of a frame mechanism, and the rack is directly or indirectly provided with a first upper transmission roller and a first lower transmission roller which are arranged in an up-down corresponding mode, a second upper transmission roller and a second lower transmission roller which are arranged in an up-down corresponding mode, a third upper transmission roller and a third lower transmission roller which are arranged in an up-down corresponding mode, and an upper concave roller and a lower convex roller which are arranged in an up-down corresponding mode, wherein the first upper transmission roller, the first lower transmission roller, the second upper transmission roller, the second lower transmission roller, the third upper transmission roller and the third lower transmission roller are distributed in a straightening direction and are all in a hyperbolic roller type. The invention further provides a round material straightening method which is implemented by adopting the round material straightening device.

Description

technical field [0001] The invention belongs to the technical field of round bar straightening, and particularly relates to a round bar straightening device and a straightening method thereof. Background technique [0002] In the past round bar straightening, there are two kinds of straightening methods, namely pair-roll straightening and two-roll straightening. The advantage of pair-roller straightening is the main drive of the inlet-to-roller, which is especially suitable for the bite and straightening of round materials with large bending. The two-roll straightening is especially suitable for straightening the blind area of ​​the head and tail and local small bending. The accuracy can reach 0.8‰ after one-time straightening, but the bending degree of the incoming material is required to be relatively good, otherwise it is difficult to achieve the predetermined accuracy requirements. It is said that if there is a blind spot in the head and tail of straightening, it will l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D3/04
CPCB21D3/04
Inventor 贾尚武赵西韩马强刘磊王仕杰周文浩陈灿张志娜
Owner CHINA NAT HEAVY MACHINERY RES INSTCO
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