Manufacturing device and method for socket-type steel pipe socket
The technology of a manufacturing device and a manufacturing method is applied in the field of manufacturing devices for socket-type steel pipe sockets, and can solve the problems of long sockets, waste of steel pipe materials, and increased manufacturing costs.
Active Publication Date: 2021-07-30
BC P INC CHINA NAT PETROLEUM CORP +2
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Problems solved by technology
[0005] When using a steel pipe expanding machine for diameter expansion, if no mold constraints are imposed on the outer wall of the steel pipe end and the steel pipe end is allowed to deform freely, the socket will be too large and too long, which will waste steel pipe material and increase manufacturing costs.
Also, if molds are used for constraints, it will also increase manufacturing costs
Method used
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Embodiment Construction
[0053] Unless otherwise defined, all technical terms used in the embodiments of the present invention have the same meanings as commonly understood by those skilled in the art.
[0054] The socket of the steel pipe may include a connected lead-in section and a sealing section, the inner diameter of the lead-in section is larger than the outer diameter of the socket of the steel pipe, which facilitates the insertion of the socket into the socket. The inner diameter of the sealing section is equal to the outer diameter of the socket, so as to facilitate the sealing between the two. In addition, a sealing ring may be provided between the socket of the steel pipe and the socket of the steel pipe so that the two have good sealing performance.
[0055] The socket of the steel pipe can be made by spinning, which is gradually formed by rotating and applying pressure. This forming method has low pressure, which can save equipment investment and use cost, and has flexible production. ...
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The invention discloses a manufacturing device and method for a socket-type steel pipe socket, belonging to the field of pipeline processing. The manufacturing device includes: an upper roller mechanism, a lower roller mechanism, a rotating drive mechanism, a jacking mechanism, a base, and a control mechanism; The socket pressure groove of the socket of the steel pipe is pressed; the rotating drive mechanism is connected with the upper roller mechanism through the transmission part; the lower roller mechanism is rotatably arranged on the base; the jacking mechanism is connected with the bottom wall of the base for pulling up and down The base and the lower roller mechanism; the control mechanism is electrically connected with the rotating drive mechanism and the jacking mechanism. The manufacturing device has a simple structure, can process steel pipes of different sizes and specifications, avoids waste of steel pipe materials, and reduces manufacturing costs.
Description
technical field [0001] The invention relates to the field of pipeline processing, in particular to a manufacturing device and method for socket-type steel pipe sockets. Background technique [0002] In the construction of pipelines such as municipal water supply, multi-section steel pipes are welded to form water pipelines. However, the welding method increases installation costs and is time-consuming and laborious. By setting a socket at one end of the steel pipe and a socket at the other end of the steel pipe, the outer diameter of the socket is smaller than the inner diameter of the socket. The socket on one steel pipe is inserted into the socket on another steel pipe to realize the connection between the steel pipes. The steel pipes are connected by sockets, which reduces the installation cost, saves time and labor, and is economical and practical. Therefore, it is necessary to manufacture steel pipes with sockets or sockets. [0003] In the related art, usually one e...
Claims
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IPC IPC(8): B21D41/02
CPCB21D41/02
Inventor 王勇付彦宏王强李立何志伟方文冯伟华李德伟
Owner BC P INC CHINA NAT PETROLEUM CORP