Metal tube seal process

A metal tube and process technology, applied in the field of metal tube sealing technology, can solve the problems of time-consuming, laborious, difficult sealing, etc., and achieve the effects of simple process, low cost and high processing efficiency

Inactive Publication Date: 2012-06-13
王平安
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of the background technology, the present invention provides a metal pipe sealing process, which mainly solves the problems of time-consuming and labor-intensive sealing and difficult sealing when the existing metal pipe port sealing method is used to process stainless steel pipes with a slightly larger diameter. The previous processing method has been changed, and the sealing of stainless steel tubes with slightly larger diameters has been realized, which saves time and effort, simple process, low cost, high processing efficiency, and smooth appearance.

Method used

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with accompanying drawing:

[0015] Depend on figure 1 combine figure 2 , image 3 As shown, the metal tube sealing process steps are as follows:

[0016] a. Clamp the metal pipe 1 in a rotatable elastic jacket on the machine tool;

[0017] b. Using a bladeless cutter 3 with a front end extrusion surface 4 and a side extrusion surface 5, using the front end extrusion surface 4 of the bladeless cutter 3 to radially extrude the high-speed rotating metal pipe 1 toward the center of the metal pipe 1, and At the same time, the bladeless cutter 3 is moved axially toward the outer end of the port of the metal pipe 1, and the heat generated by the friction between the metal pipe 1 and the bladeless cutter 3 softens the port of the metal pipe 1, and the port of the metal pipe 1 gradually moves toward its center. Deformation to form a conical surface 2; use the side of the edgeless tool 3 to squeeze the su...

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Abstract

A metal tube seal process mainly resolves the problem that machining stainless steel tubes with large diameters wastes time and energy and is difficult to seal with the existing seal method of a metal pipe fitting port. The metal tube seal process is characterized by including the following process steps: a installing a metal tube (1) in clamping mode in an elastic clamping sleeve capable of rotating on a machine tool; b utilizing a no-cutting-edge tool (3) to extrude a port of the metal tube (1) in high rotation, extruding the port towards the center in the radial direction while moving outwards the no-cutting-edge tool (3) in the axial direction, forming a conical surface and then extruding the conical surface in the axial direction until the port of the metal tube (1) is completely sealed and integrated at a high temperature in melting mode; c utilizing a turning tool to machine the outer end face of the sealed port of the metal tube (1) to be flat. The metal tube seal process changes the previous machining method, achieves sealing the stainless steel tubes with large diameters, saves time and labor, and is simple in working procedures, low in cost, high in machining efficiency and flat and smooth in appearance.

Description

technical field [0001] The invention relates to a sealing method for a metal tube port, in particular to a metal tube sealing process. Background technique [0002] When producing hardware pendants (hereinafter referred to as pendants), in order to meet the requirements of performance and aesthetics, it is necessary to seal the ports of metal pipe fittings. The material of the pendant is generally made of copper, stainless steel, aluminum alloy, zinc alloy and other metals that are not easy to rust. In order to improve the processing efficiency, the ports of the metal pipe fittings are generally sealed on the instrument lathe. The end of the metal tube is softened by the heat generated by the friction between the metal tube and the edgeless tool, and at the same time, the end of the metal tube is deformed toward the center by the edgeless tool to squeeze the end of the metal tube and finally fused into a closed end. For small diameter For soft metals (such as copper, alumin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D41/04
Inventor 王平安
Owner 王平安
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