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Pipe bending machine

A pipe bending machine and pipe bending technology, applied in the field of pipe bending machines, can solve problems such as roughening, thinning, and cracking, and achieve the effect of avoiding wrinkles

Active Publication Date: 2014-01-22
ZHANGJIAGANG DONGDA IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The pipe bending machine generally includes a fuselage, a core-pulling device installed on the fuselage, and a pipe bending mechanism installed on the head of the fuselage. Since the bend is performed by installing a bending wheel mold on the fuselage and the cooperation of the bending arm, When processing small-radius bends with a bending radius less than 1.5 times the pipe diameter, it is easy to have wrinkles on the inside and roughness, thinning, or even cracking on the outside

Method used

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Embodiment Construction

[0016] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0017] Such as Figure 1-3 As shown, a pipe bending machine includes a fuselage 1, a core pulling device 3 arranged on the fuselage 1, a pipe bending mechanism 4 arranged on the head 2, and the head 2 is also provided with a pier clamping device 5 , including the auxiliary pushing mold base 51 arranged on the nose 2. The machine head 2 is provided with a T-shaped slot perpendicular to the pipe to be bent, and the auxiliary push die base 51 is clamped in the T-shaped slot through a T-shaped block 511 provided at the bottom thereof, and the machine head 2 is provided with an adjusting support Seat 6, adjustment screw rod 7 is threadedly connected in the adjustment bearing 6, and the end of adjustment screw rod 7 is connected with auxiliary pushing mold base 51. An auxiliary pushing slide plate 52 is movably arranged on the auxiliary pushing mo...

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PUM

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Abstract

The invention discloses a pipe bending machine suitable for bending of small-radius elbow pipes with the bending radius less than 1.5 times of the pipe diameter. The pipe bending machine comprises a machine body, a core pulling device arranged on the machine body and a pipe bending mechanism arranged on the head portion of the machine body. The head portion of the machine body is further provided with a top pier clamping device which comprises a push assisting mold base arranged on the head portion of the machine body. A push assisting sliding plate is movably arranged on the push assisting mold base. A support and a top pier mounting arm are arranged on the upper portion of the push assisting sliding plate. A top pier outer mold base is movably hinged to the extending end of the top pier mounting arm. A top pier oil cylinder driving the top pier outer mold base to rotate is arranged on the support. A top pier outer mold matched with a top pier inner mold is detachably arranged on the top pier outer mold base.

Description

technical field [0001] The invention relates to a pipe bending machine. Background technique [0002] The pipe bending machine generally includes a fuselage, a core-pulling device installed on the fuselage, and a pipe bending mechanism installed on the head of the fuselage. Since the bend is performed by installing a bending wheel mold on the fuselage and the cooperation of the bending arm, in When processing small-radius elbows with a bending radius less than 1.5 times the pipe diameter, it is easy to have wrinkles on the inside and rough, thin, or even cracked on the outside. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a pipe bending machine suitable for bending small-radius pipes whose bending radius is less than 1.5 times the pipe diameter. [0004] In order to solve the above technical problems, the technical solution adopted in the present invention is: a pipe bending machine, including a fuselage, a c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D9/05B21D9/16
Inventor 李笑荣
Owner ZHANGJIAGANG DONGDA IND TECH RES INST