Pressing tool for welding valve seat of swing check valve

A check valve and swing-type technology, which is applied in welding equipment, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., to achieve the effects of simple production, convenient use, and large reduction in welding deformation

Pending Publication Date: 2022-05-24
SUFA TECH IND CNNC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above problems, the present invention provides a compression tooling for welding the valve seat of a swing check valve, which can effectively prevent the problem of welding deformation of the valve seat

Method used

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  • Pressing tool for welding valve seat of swing check valve
  • Pressing tool for welding valve seat of swing check valve
  • Pressing tool for welding valve seat of swing check valve

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Experimental program
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Embodiment Construction

[0027] A pressing tool for a welded valve seat of a swing check valve, comprising a positioning plate assembly, a locking screw, a pressing block assembly, a rocker assembly and a pin shaft; the positioning plate assembly is assembled by a positioning plate and a connecting rod Welding composition; there is a waist-shaped slot hole and a threaded hole on the positioning plate; the small end of the connecting rod has a thread, and the center of the large end has a left-handed threaded hole, and the threaded hole is used to lock the screw. A section of left-handed thread ends are connected; the two ends of the locking screw are respectively provided with a section of threads with equal specifications but opposite directions of rotation, with a section of hexagonal square body in the middle; the compression block assembly includes a compression block, a compression block It is composed of connecting rod, 2 disc springs, movable nut, inner hexagon screw and key; one end of the pres...

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Abstract

The invention belongs to the technical field of welding tools, is mainly used for the welding field of swing check valve seats, and particularly relates to a pressing tool for a swing check valve welding valve seat. The invention discloses a pressing tool for a welding valve seat of a swing check valve. The pressing tool comprises a positioning plate assembly, a locking screw rod, a pressing block assembly, a rocker assembly and a pin shaft, the pressing tool has the beneficial effects that the problem that welding deformation of the swing check valve seat is large can be effectively solved through the pressing tool, the pressing tool is reasonable in design, easy to manufacture and convenient to use, and therefore the process quality is effectively controlled, and the production cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of welding tooling, is mainly used in the field of valve seat welding of swing check valves, and particularly relates to a pressing tool for welding valve seats of swing check valves. Background technique [0002] When the swing check valve seat is welded, the sealing surface of the valve seat is often deformed by heat. For this reason, the valve seat generally reserves a large machining allowance in the process before welding, and these machining allowances are generally the price More expensive cobalt-based materials, for which the process cost is higher. At the same time, for some small-diameter and high-level pump check valves, due to the relatively small channel diameter, after the valve seat is welded, the long diameter of the tool for finishing the sealing surface is relatively large, and the sealing surface is difficult or even impossible to process. Therefore, the deformation of the valve seat weldi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/04
CPCB23K37/0443
Inventor 郭永宁任利杰赵首琦虞铮
Owner SUFA TECH IND CNNC
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