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Sealed curved line pipe bending technology

A closed curve and pipe bending technology, which is applied in the field of closed curve pipe bending technology, can solve the problems that the arc closed curve pipe cannot be bent, and cannot meet the needs of efficient and stable mass production of closed curve pipes, and achieve high production efficiency. The production process is stable and achieves the effect of mass production

Active Publication Date: 2015-05-27
LIUZHOU WULING MOTORS +1
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] At present, in the current manufacturing process of bent pipe fittings, general-purpose pipe bending equipment is generally used to bend pipes. However, this kind of processing method can only meet the processing needs of regular part shapes in the form of straight line-arc-straight line. And it can only bend a specified arc, and cannot realize the bending of continuous multi-segment arc closed curve pipes, and cannot meet the needs of efficient and stable mass production of closed curved pipes

Method used

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  • Sealed curved line pipe bending technology

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Embodiment Construction

[0017] The core of the present invention is to provide a closed curved pipe bending process, which can realize mass production of closed curved pipes efficiently and stably.

[0018] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0019] Please refer to figure 1 , figure 1 A flow chart of a closed curve pipe bending process provided by a specific embodiment of the present invention.

[0020] The closed curve pipe bending process provided by Embodiment 1 of the present invention includes:

[0021] Step 101: arc fitting;

[0022] The secondary design of the digital model of the door frame is done, and the contour is fitted with an arc, which meets the programming requirements of the CNC pipe bender.

[0023] Step 102: bending once;

[0024] The pipe is pushed and bent in multiple con...

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Abstract

The invention discloses a sealed curved line pipe bending technology. Bending of continuous multiple-segment arc sealed curved line pipes can be achieved through a sequence of technology procedures, namely, arc fitting, one-time bending, sample pipe reverse engineering, second-time fitting, multiple-time bending, parameter confirming, massive production and welding forming. Thus, massive production of sealed curved line bent pipes is achieved, the production process is stable and production efficiency is high.

Description

technical field [0001] The invention relates to the technical field of motor vehicle parts processing, in particular to a closed curve pipe bending process. Background technique [0002] In the general motor vehicle manufacturing process, for some vehicles with special purposes and structures, such as leisure sightseeing cars, the door frame and door frame are curved pipe fittings with closed curved contours, and the processing and manufacturing of these curved pipe fittings is the overall process. An extremely important part of the car production process. [0003] At present, in the current manufacturing process of bent pipe fittings, general-purpose pipe bending equipment is generally used to bend pipes. However, this kind of processing method can only meet the processing needs of regular parts with straight line-arc-line form. And it can only bend a specified arc, and cannot realize the bending of continuous multi-segment arc closed curve pipes, and cannot meet the needs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D7/12B21D7/16
Inventor 马超邝志伟陆静易
Owner LIUZHOU WULING MOTORS
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