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Current-assisted push bending forming device for titanium alloy pipefitting and working method

A technology of titanium alloy and electrification device, which is applied in the field of current-assisted push-bending device for titanium alloy pipe fittings, which can solve the problems of complex working environment, poor effect, and cumbersome processing steps.

Pending Publication Date: 2020-10-30
江苏华阳管业股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The processing steps are cumbersome and the working environment used is complicated. In addition, because the forming is divided into two parts, the effect on the control of forming accuracy is poor.

Method used

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  • Current-assisted push bending forming device for titanium alloy pipefitting and working method
  • Current-assisted push bending forming device for titanium alloy pipefitting and working method

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Embodiment Construction

[0020] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0021] Such as Figure 1-2 As shown, the current-assisted push-bending forming device for titanium alloy pipe fittings of the present invention includes a machine 1, and an electrifying device, a sliding device, hydraulic devices connected to both sides of the sliding device, and a main push-bending mold are arranged on the top of the machine 1. Specifically: a sliding device is provided at the position facing the push-bending main mold on the machine table 1, the other side of the sliding device is connected with a hydraulic device, and an electrification device is provided at the side of the sliding device. The push-bending main mold includes an upper mold 7 and a lower mold 8. The lower mold 8 is provided with a cavity with a diameter equal to that of the titanium alloy tube blank. One side of the cavity is provided with a push rod 6 with a...

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Abstract

The invention discloses a current-assisted push bending forming device for a titanium alloy pipefitting and a working method and belongs to the field of preparation of tube blanks. An electrifying device, a sliding device, hydraulic devices connected to two sides of the sliding device and a push bending main die are arranged above a machine table; the push bending main die comprises an upper die and a lower die; a cavity is formed in the lower die, an aluminum alloy tube blank is placed in the cavity, a push rod is arranged on one side of the cavity, and the cavity is connected to the slidingdevice through the push rod; and a bended part of the other side of the cavity is connected to a connector, a mandrel is arranged on the inner side of the bended part of the cavity, the mandrel is fixed to the connector, and the mandrel is matched with a workpiece after push bending in internal shape. The push bending device for current-assisted push bending of a titanium alloy tubular product canachieve bending forming of a titanium alloy workpiece which is large in dimension and high in yield strength by means of a relatively small push bending force and controls the forming precision by adjusting electrical parameters.

Description

technical field [0001] The invention belongs to the field of tube blank preparation, and relates to a push-bending device for titanium alloy pipes, in particular to a current-assisted push-bending forming device and working method for titanium alloy pipes. Background technique [0002] Due to the characteristics of high deformation resistance and low elastic modulus of titanium alloy, titanium alloy pipes have disadvantages such as low forming precision and large springback after processing. It is difficult for existing equipment to process bent pipe products that meet the required size. For example, for titanium alloy pipes with large wall thickness and large diameter, the current general processing method is to heat and bend the two parts of the pipe separately, and then weld them together to form. The processing steps are cumbersome and the working environment used is complicated. In addition, because the forming is divided into two parts, the effect on the control of for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D9/12B21D9/18
CPCB21D9/125B21D9/18
Inventor 李鸣赵欣王荣祥靳凯
Owner 江苏华阳管业股份有限公司
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