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Manufacturing process of C-shaped sealing ring

A manufacturing process and sealing ring technology, which is applied in the manufacturing process of C-shaped sealing rings, can solve problems such as sealing failure and leakage between the valve body and valve seat, and achieve the effects of improving production and manufacturing efficiency, reducing manufacturing difficulty, and realizing automatic production

Pending Publication Date: 2022-05-31
WUXI SMART AUTO CONTROL ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the body and seat of the top-entry ball valve are self-sealing structures with conical surfaces. Usually, the seat and body are sealed with graphite, PTFE, etc. as sealing materials, but these materials can only be used in low-temperature or low-pressure environments. In the presence of high-pressure and high-temperature working conditions, the seal between the valve body and the valve seat will fail and leak

Method used

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  • Manufacturing process of C-shaped sealing ring
  • Manufacturing process of C-shaped sealing ring
  • Manufacturing process of C-shaped sealing ring

Examples

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0030] refer to Figure 1-3 As shown, the present invention provides a manufacturing process of a C-shaped sealing ring, comprising the steps of:

[0031] Step S1: Make the blank plate 8 into a C-shaped truncated long strip profile through the forming and pressing device. The forming and pressing device includes at least a pair of forming rollers, and the forming rollers include concave wheels and cams. The rotation drives the blank plate 8 to advance;

[0032] Step S2: Cutting the C-shaped truncated surface long strip profile into a C-shaped truncated fabric material 5 with a preset length and size by laser cutting equipment 4;

[0033] Step S3: roll the circle by the automatic...

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Abstract

The invention relates to a manufacturing process of a C-shaped sealing ring. The method comprises the steps that a blank plate is formed into a long-strip-shaped sectional material with a C-shaped cross section through a forming and pressing device; the long-strip-shaped sectional material with the C-shaped cross section is cut into C-shaped cross-section surface sectional materials with the preset length size through laser cutting equipment; edge rolling is conducted through an automatic edge rolling device; the cross section of the circular C-shaped ring is welded through laser welding equipment, and the C-shaped ring is formed through welding; the welded and formed C-shaped ring is subjected to destressing treatment through heat treatment equipment; and a circumferential weld of the C-shaped ring subjected to destressing treatment is ground and polished through grinding and polishing equipment, the C-shaped sealing ring is formed, and whether the roughness and the size of the C-shaped sealing ring meet the requirements or not is detected through detection equipment. The C-shaped sealing rings of various specifications can be produced in a compatible mode at the same time, automatic production is achieved, the manufacturing difficulty is reduced, and the production and manufacturing efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of metal sealing rings of control valves, in particular to a manufacturing process of a C-shaped sealing ring. Background technique [0002] Industrial control valves are an indispensable control unit in the chemical industry. In industrial control valves, sleeve regulating valves, top-entry ball valves, and bidirectional sealing butterfly valves all have working conditions where C-shaped sealing rings are used. For example, the body and seat of the top-entry ball valve are self-sealing structures with conical surfaces. Usually, the seat and body are sealed with graphite, tetrafluoroethylene, etc. as sealing materials, but these materials can only be used in low-temperature or low-pressure environments. In the presence of high-pressure and high-temperature working conditions, the seal between the valve body and the valve seat will fail and leak. Therefore, it is necessary to produce a C-shaped sealing ring ...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 杨骏宇张勤华陈松
Owner WUXI SMART AUTO CONTROL ENG CO LTD
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