Tube expander and its base, straight tube flaring method

A tube expander and straight tube technology, applied in the field of straight tube expansion, can solve the problems of complex expansion process, low expansion efficiency, and high labor intensity of straight tubes, so as to improve expansion efficiency, reduce labor intensity, and reduce welding The effect of mass impact

Active Publication Date: 2017-07-28
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen from the above introduction that the flaring process of straight pipes is more complicated, the flaring efficiency is lower, and the labor intensity is also higher.

Method used

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  • Tube expander and its base, straight tube flaring method
  • Tube expander and its base, straight tube flaring method
  • Tube expander and its base, straight tube flaring method

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Embodiment Construction

[0035] The embodiment of the present invention provides a base of a tube expander, which realizes the fixing of the flaring end of the straight tube, thereby effectively improving the flaring efficiency.

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] The base of the tube expander provided by the embodiment of the present invention includes: a base body 11, the base body 11 has a placement groove 111 for placing the flaring end of the straight pipe 2; The inner wall fits and positions the positioni...

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Abstract

The invention provides a tube expander, a base and a straight tube expansion method. The base of the tube expander provided by the present invention includes: a base body, the base body has a placement groove for placing the flaring end of the straight pipe; a positioning column arranged at the bottom of the placement groove for cooperating with the inner wall of the straight pipe and positioning the straight pipe . The base of the tube expander provided by the present invention realizes the fixing of the flared end of the straight tube by setting a placement groove for placing the flared end of the straight tube, and a positioning column that cooperates with the inner wall of the straight tube and positions the straight tube, so that the straight tube can be fixed The flaring end is fixed on the base of the tube expander, so that the tube expander can simultaneously expand the tube and expand the other end of the straight tube, without first expanding the tube and then manually expanding the tube, which effectively improves the expansion efficiency of the straight tube ; It also avoids manual flaring and manual handling of straight pipes, which effectively reduces the labor intensity of the staff.

Description

technical field [0001] The invention relates to the technical field of straight pipe flaring, and more specifically relates to a pipe expander, its base, and a straight pipe flaring method. Background technique [0002] In the heat exchanger of the air conditioner, the heat exchange tube is a straight tube. In order to realize the installation of the heat exchange tube, expansion and flaring are required at both ends of the heat exchange tube. [0003] At present, the tube expansion is carried out by a tube expander, and the straight tube is fixed on the base of the tube expander. Usually the base is a straight tube base, and there is a cylindrical groove for placing a straight tube in the base. However, the cylindrical groove is more likely to cause flaring and curling deformation, so to complete tube expansion and flare at the same time, it is necessary to expand the tube first and then flare. Specifically, first pass the straight tube through the fins; then place the f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B30B15/04B21D39/08B21D41/02B21D43/00
Inventor 杨赛余贵娇
Owner GREE ELECTRIC APPLIANCES INC
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