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Novel circular tube fixture

A round tube, a new type of technology, used in the field of mechanical round tube manufacturing and processing fixtures, mechanical manufacturing and processing, can solve problems such as inability to meet, low cutting efficiency, poor precision, etc., to facilitate installation and positioning, improve production efficiency, and simplify the installation process. Effect

Pending Publication Date: 2019-03-26
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In mechanical processing, it is often necessary to cut round pipes. Pipe fixtures greatly affect the quality and efficiency of pipe workpiece processing. Traditional round pipe fixtures are mostly semi-circular jaw fixtures, which have poor clamping effect and uneven cutting surfaces. In addition, when cutting round pipes of different sizes, different sizes of fixtures need to be used. One clamping can only be cut once. When clamping and cutting round pipe workpieces, the cutting efficiency is low and the accuracy is poor, which cannot meet the needs of actual production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] like figure 1 , figure 2 , image 3 , Figure 4 As shown, the new round pipe clamp consists of connecting shaft (1), positioning plate (2), inner spline (3), connecting pin (4), connecting rod (5), friction plate (6), outer spline shaft ( 8), spring (9) and clamping nut (10), the inner spline (3) cooperates with the outer spline shaft (8), and the inner spline (3) can be placed on the outer spline shaft (8) along the outer spline teeth ) slides along the axis, the inner spline (3) is hinged with one end of the connecting rod (5) through the connecting pin (4), and the friction plate (6) is hinged with the other end of the connecting rod (5) through the connecting pin. The clamping nut (10) cooperates with the thread on the right end of the external spline shaft (8), and the clamping nut (10) can push the internal spline (3) to slide along the external spline shaft (8) in turn during the tightening process. The pipe (7) is a round pipe to be processed, the wall thic...

Embodiment 2

[0037] like Figure 5 As shown, the new round pipe clamp consists of connecting shaft (1), positioning plate (2), inner spline (3), connecting pin (4), connecting rod (5), friction plate (6), outer spline shaft ( 8), spring (9) and clamping nut (10), the inner spline (3) cooperates with the outer spline shaft (8), and the inner spline (3) can be placed on the outer spline shaft (8) along the outer spline teeth ) slides along the axis, the inner spline (3) is hinged with one end of the connecting rod (5) through the connecting pin (4), and the friction plate (6) is hinged with the other end of the connecting rod (5) through the connecting pin. The clamping nut (10) cooperates with the thread on the right end of the external spline shaft (8), and the clamping nut (10) can push the internal spline (3) to slide along the external spline shaft (8) in turn during the tightening process. The pipe (7) is a round pipe to be processed, the wall thickness is 5 mm, the length of the pipe...

Embodiment 3

[0040] like Figure 5As shown, the new round pipe clamp consists of connecting shaft (1), positioning plate (2), inner spline (3), connecting pin (4), connecting rod (5), friction plate (6), outer spline shaft ( 8), spring (9) and clamping nut (10), the inner spline (3) cooperates with the outer spline shaft (8), and the inner spline (3) can be placed on the outer spline shaft (8) along the outer spline teeth ) slides along the axis, the inner spline (3) is hinged with one end of the connecting rod (5) through the connecting pin (4), and the friction plate (6) is hinged with the other end of the connecting rod (5) through the connecting pin. The clamping nut (10) cooperates with the thread on the right end of the external spline shaft (8), and the clamping nut (10) can push the internal spline (3) to slide along the external spline shaft (8) in turn during the tightening process. The pipe (7) is a round pipe to be processed, the wall thickness of the workpiece is 5 mm, the pi...

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Abstract

The invention relates to the technical field of machine manufacturing and machining, in particular to the technical field of mechanical circular tube manufacturing and machining fixtures, and discloses a novel circular tube fixture to achieve the technical purpose of providing a fixture which can clamp from the interior of a circular tube to achieve multi-section cutting. The novel circular tube fixture comprises a connecting shaft, a positioning disc, an inner spline, connecting pins, a connecting rod, a friction piece, an outer spline, and a clamping nut. The inner spline is matched with theouter spline. The inner spline is hinged to the connecting rod by the connecting pin. The friction piece is hinged to the connecting rod by the connecting pin. The clamping nut is in threaded fit with the right end of an outer spline shaft. The positioning disc is connected with the left side of the outer spline shaft. The fixture can clamp and position a workpiece, and can achieve multi-sectioncutting of the workpiece. The structure is simple, and universality is high. The fixture is used for cutting cylindrical workpieces. Machining quality and machining efficiency can be greatly improved.The production cost is lowered.

Description

technical field [0001] The invention relates to the technical field of mechanical manufacturing and processing, in particular to the technical field of mechanical round pipe manufacturing and processing fixtures, in particular to a novel round pipe fixture. Background technique [0002] With the increase of the demand for pipe fittings, the fixed-length cutting of pipe fittings has become an indispensable process of pipe processing. The so-called fixed-length cutting of pipe fittings is to cut the pipe fittings into the required length under the premise of ensuring the quality of the cut. However, due to the poor strength and rigidity of the thin-walled tube, it will cause deformation, and it is difficult to guarantee the quality of the processed parts. Fixtures are used to position and clamp workpieces, which can ensure the stability and reliability of workpieces, achieve machining accuracy, shorten processing hours, reduce production costs and expand the range of machine t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D33/02
CPCB23D33/02
Inventor 苏宇锋丁建桥张坤巩启武科迪张振宇
Owner ZHENGZHOU UNIV
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