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Manufacturing method of pressure vessel

A technology for a pressure vessel and a manufacturing method, which is applied in the field of pressure vessel manufacturing, can solve problems such as affecting the uniformity of grinding and inability to perform grinding, and achieve the effects of improving the grinding effect, improving the smoothness and improving the efficiency.

Active Publication Date: 2021-09-24
浙江三金机电科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The tank body of the pressure vessel is generally a hollow cylindrical structure in the middle with semicircular end caps at both ends. The preparation process of the pressure vessel mainly includes plate cutting, plate bending, plate welding, welding position grinding and tank body There are multiple steps such as the connection with the end caps on both sides; in the prior art, one end of the tank body is fixed with a clamping tool during grinding, and then polished; Post-processing; affects the uniformity of grinding

Method used

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  • Manufacturing method of pressure vessel
  • Manufacturing method of pressure vessel

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Embodiment Construction

[0036] Such as Figure 1-15 Shown, a kind of pressure vessel manufacturing method comprises the following steps:

[0037] a. Cutting process: cut the metal sheet according to the specified size to obtain the sheet;

[0038] b. Bending treatment: bend the plate obtained in step a into a ring structure, cut the plate after bending, and process the wrinkles generated on the inner surface of the material to be smooth, so as to obtain the bent plate;

[0039] c. Welding treatment: place the bent plate in the welding fixture and perform welding to obtain a metal ring;

[0040] d. Grinding treatment: the metal ring is fixed on the grinding machine, and the outer wall and the inner wall are polished to obtain an annular tank body;

[0041] e, docking treatment: fix the annular tank body in step d and the pre-prepared two side end caps with tools, then weld the joint position, and then process the weld position to obtain a pressure vessel;

[0042] Wherein, described grinding machin...

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Abstract

The invention discloses a manufacturing method of a pressure vessel. The manufacturing method comprises the following steps that a, cutting treatment is conducted, specifically, a metal plate is cut to obtain a plate; b, bending treatment is conducted, specifically, the plate is bent into a circular ring structure, and a bent plate is obtained; c, welding treatment is conducted, specifically, the bent plate is welded, and a metal circular ring is obtained; d, polishing treatment is conducted, specifically, the metal ring is fixed to a polishing machine for polishing treatment, and an annular tank body is obtained; e, butt joint treatment is conducted, specifically, the annular tank body and end covers on the two sides are welded after being fixed through tools, and the pressure vessel is obtained; the polishing machine in the step d comprises a main body, a lifting frame, a clamping device, a cross beam, a moving block, a polishing plate and a polishing device. The clamping mode of the metal circular ring can be alternated during polishing, so that no dead angle exists during polishing; the smoothness of the tank body is further improved; meanwhile, when the inner wall is polished, metal powder can be sucked away in time, and cleaning work after polishing is facilitated; and the manufacturing efficiency is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of pressure vessel manufacture, and in particular relates to a pressure vessel manufacture method. Background technique [0002] A pressure vessel is a closed device that holds gas or liquid and carries a certain pressure. The tank body of the pressure vessel is generally a hollow cylindrical structure in the middle with semicircular end caps at both ends. The preparation process of the pressure vessel mainly includes plate cutting, plate bending, plate welding, welding position grinding and tank body There are multiple steps such as the connection with the end caps on both sides; in the prior art, one end of the tank body is fixed with a clamping tool during grinding, and then polished; Post-processing; affects the uniformity of grinding. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the present invention provides a pressure vessel manufacturing method. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 徐杰陈斌谢海燕许益综朱淼钱清清楼仁杰
Owner 浙江三金机电科技有限公司
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