Manufacturing method of diaphragm energy accumulator
A manufacturing method and accumulator technology, applied in mechanical equipment and other directions, can solve the problems of accumulator scrap, screwed joints, and high welding temperature, and achieve the effects of high production efficiency, good quality, and reduction of welding processes.
Active Publication Date: 2016-11-16
ZHEJIANG BODA TECH
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Problems solved by technology
[0002] For traditional diaphragm accumulators, the shell is made of upper and lower parts by welding. One of the upper and lower parts is provided with a threaded joint, and the other part is provided with a threaded joint for screwing the diaphragm accumulator to the The joint on the mounting part, when installing, the diaphragm accumulator is screwed on the joint by a tool, and the force generated by the twisting is transmitted from the joint at one end of the diaphragm accumulator to the threaded joint at the other end. High force, which may cause the connector to be screwed down
Because the upper and lower parts of the traditional diaphragm accumulator are welded by the traditional welding process, the welding temperature of the steel plate is very high, and the maximum resistance temperature of the rubber diaphragm is lower than that of the steel plate, which can easily cause damage to the diaphragm and scrap the accumulator. , the first pass rate of products produced by traditional technology is less than 35%
Method used
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Experimental program
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Embodiment Construction
[0014] The specific implementation of the present invention will be further described below in conjunction with the examples.
[0015] A method of manufacturing a diaphragm accumulator, specifically as follows:
[0016] 1) The shell of the diaphragm accumulator is stretched from a steel plate to form a cylindrical shell with an open upper end, and then cleaned. Among them, the stretching process can be divided into multiple stretches. to clean;
[0017] 2) Form a step of a conventional diaphragm accumulator on the inner wall of the shell through extrusion and turning process, install the diaphragm, and then clean it;
[0018] 3) Shrink the upper opening of the cylindrical shell;
[0019] 4) Inflate the cylindrical shell from the neck, and weld the neck into a sealed shape by butt welding process after inflation, or weld the joint to the neck to form a seal by butt welding process, wherein , It is necessary to carry out the process of maintaining pressure during welding, so ...
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The invention discloses a manufacturing method of a diaphragm energy accumulator. The method comprises the steps that (1) a shell of the diaphragm energy accumulator is a tubular shell with an opening in the upper end, and the tubular shell is formed by conducting stretching treatment on a steel board; (2) a step of a conventional diaphragm energy accumulator is formed on the inner wall of the shell through an extrusion and turning process, and a diaphragm is installed; (3) the opening in the upper end of the tubular shell is subjected to necking treatment; and (4) air is inflated from the necking position to the tubular shell, and after air inflation, the necking position is welded to be in a sealed shape through a butt-joint process or a connector is welded to the necking position to form sealing through a butt-joint process. The diaphragm energy accumulator is manufactured by one steel board through the stretching, extrusion, turning, necking, butt-joint and the other processes, and the use number of the manufactured diaphragm energy accumulator is about two million times and is far higher than one million times of diaphragm energy accumulators on the current markets. Compared with an existing manufacturing method, the welding process is reduced, the production efficiency is higher, and quality is better.
Description
technical field [0001] The invention relates to a diaphragm accumulator, in particular to a method for manufacturing the diaphragm accumulator. Background technique [0002] For traditional diaphragm accumulators, the shell is made of upper and lower parts welded by welding process. One of the upper and lower parts is provided with a threaded joint, and the other part is provided with a threaded joint for screwing the diaphragm accumulator to the The joint on the mounting piece, when installing, the diaphragm accumulator is screwed on the joint by a tool, and the force generated by the twisting in this process is transmitted from the joint at one end of the diaphragm accumulator to the threaded joint at the other end. Large force may cause damage to the connector. Because the upper and lower parts of the traditional diaphragm accumulator are welded by the traditional welding process, the welding temperature of the steel plate is very high, and the maximum resistance tempera...
Claims
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Login to View More IPC IPC(8): B23P15/00
CPCB23P15/00F15B1/04
Inventor 周金飞
Owner ZHEJIANG BODA TECH