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Thin-walled pipe end circular notch disposable punching device

A technology of arc-shaped and thin-walled tubes, which is applied in the field of construction manufacturing, can solve problems such as low production efficiency and inability to guarantee the concentricity of two arc gaps, so as to improve productivity and stamping quality, good market application value, and operability strong effect

Active Publication Date: 2018-04-20
JIANGHAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing arc-shaped notches of steel pipes are made by unilateral punching on the punching machine with stamping dies. Although the operation is convenient and the molds can be replaced, the production efficiency is low, and the two-arc notches cannot be guaranteed. Concentricity

Method used

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  • Thin-walled pipe end circular notch disposable punching device
  • Thin-walled pipe end circular notch disposable punching device
  • Thin-walled pipe end circular notch disposable punching device

Examples

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Embodiment Construction

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0035] Such as figure 1 - The thin-walled tube end arc-shaped notch disposable punching device shown in 3 includes a base 1, a base panel 2 is fixed on the top of the base 1, a punch cover 3 is arranged on the base panel 2, and the left and right sides of the base panel 2 A vertical vertical board 11 is respectively fixed, and two vertical vertical boards 11 are facing and parallel, and a guide post 12 is respectively fixed between the upper part and the lower part of the two vertical vertical boards 11, and the two guide posts 12 Respectively pass through the upper part and the lower part of the punch sleeve 3, and slide fit with the punch sleeve 3.

[0036] A hydraulic cylinder is respectively fixed on the outer sides of the left and right two vertical vertical plates 11 of the base panel 2, which are respectively the first hydraul...

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Abstract

The invention discloses a one-time punching device for thin-walled pipe ends with arc-shaped notches. A die set is fixed on the base panel, and a detachable die is fixed inside the die set; The punch sleeve is fixed with a detachable punch, the initial position is coaxial with the die, and the punch moves in both directions along the radial direction of the die. There is a thin-walled tube positioning hole, the front end of the die is horizontally opened with a cutting edge sliding groove corresponding to the punching edge, and the middle part of the cutting edge sliding groove is provided with a coaxial connection with the thin-walled tube positioning hole and matched with the punching edge. Die edge hole. The circular arc-shaped notch can be completed by only one clamping of the pipe, which ensures the concentricity of the notch. The power system is driven and controlled by a hydraulic system. The stroke can be adjusted and controlled by organically combining various electrical components into a circuit. The operability is strong. The punch and die used for punching can be quickly changed, and it is suitable for punching pipes with different diameters. .

Description

technical field [0001] The invention relates to the technical field of building manufacturing, in particular to a disposable punching device for a circular arc-shaped notch at a thin-walled pipe end. Background technique [0002] In industries such as steel furniture manufacturing, building scaffolding manufacturing, and decoration, it is usually necessary to weld the end of one round or rectangular steel pipe to the side of another round steel pipe; for beautiful welding, saving welding materials and improving welding To improve efficiency, it is necessary to make a circular arc-shaped notch at the end of the steel pipe, and its radius should be equivalent to the outer diameter of the circular steel pipe to be welded therewith. In addition, the diversity of the specifications of the two pipes welded together determines the diversity of the space dimensions of the arc-shaped notch; the provided pipes must be replaceable to adapt to the diversity of the space dimensions of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D28/02B21D28/14B21D28/04B21D37/04
CPCB21D28/02B21D28/04B21D28/14B21D37/04
Inventor 王莹珺余五新
Owner JIANGHAN UNIVERSITY
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