Pipe expander

A technology of a tube expander and a machine body, which is applied in the field of tube expansion and can solve the problems of low efficiency of switching of expansion rods and the like

Pending Publication Date: 2021-08-06
ZHUHAI GREE INTELLIGENT EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a tube expander to solve the problem of low efficiency of the expansion rod switching on the tube expander in the prior art

Method used

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Embodiment Construction

[0024] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0025] A kind of tube expander of the present invention, please refer to Figure 1 to Figure 4 , the tube expander includes: a body 1, an installation template 2 and a jaw assembly 3, the installation template 2 is installed on the body 1, the installation template 2 is movably arranged along a predetermined direction, the installation template 2 is provided with a mounting hole 20, and the workpiece passes through Set in the installation hole 20, the installation hole 20 includes a first hole 201 and a second hole 202 that communicate with each other, the aperture of the first hole 201 is larger than the aperture of the second hole 202; the jaw assembly 3 is arranged on the body 1 Above, the ...

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Abstract

The invention provides a pipe expander. The pipe expander comprises a machine body, an installation template and a clamping jaw assembly; the installation template is installed on the machine body, the installation template is movably arranged in the preset direction, an installation hole is formed in the installation template, a workpiece is arranged in the installation hole in a penetrating mode, the installation hole comprises a first hole site and a second hole site which communicate with each other, the hole diameter of the first hole site is larger than that of the second hole site, and the clamping jaw assembly is arranged on the machine body, the clamping jaw assembly is movably arranged along a preset track, the clamping jaw assembly comprises a clamping jaw, at least part of the clamping jaw is arranged in an opening and closing mode, the workpiece is clamped through the clamping jaw, at least part of the workpiece is pulled out of the first hole site, and the workpiece is clamped in the second hole site by moving the installation template. The pipe expander solves the problem that in the prior art, the expansion rod switching efficiency of a pipe expander is low.

Description

technical field [0001] The invention relates to the technical field of tube expansion, in particular to a tube expander. Background technique [0002] In the production process of the two air conditioners, a tube expander is usually required to expand the diameter of the copper tubes on the two air conditioners, so that the copper tubes are in close contact with the cooling fins, so as to improve the heat exchange performance of the two air conditioners. [0003] Among them, each tube expander is equipped with multiple expansion rods, and each expansion rod needs to be manually installed and disassembled one by one according to the models of the two air conditioners. [0004] The existing switching of expansion rods mainly relies on manual operation. Manually climbing to the maintenance platform at the top of the expander to disassemble or install the expansion rods, the work intensity is high and the turnaround period is long, and the switching of the expansion rods cannot ...

Claims

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Application Information

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IPC IPC(8): B21D39/20
CPCB21D39/20
Inventor 陈义波胡康李德灵陈硕吴信宜
Owner ZHUHAI GREE INTELLIGENT EQUIP CO LTD
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