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Double-rotation wheel hot spinning necking method for large-diameter seamless gas cylinder

A technology of seamless gas cylinders and large diameters, which is applied in metal processing equipment, forming tools, manufacturing tools, etc., can solve the problem that the outer diameter of the largest gas cylinder has not yet been broken through, so as to save spinning time, reduce production costs, and improve the finished product. rate effect

Inactive Publication Date: 2016-07-06
YANGZHOU CHENGDE STEEL PIPE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the hot spinning method of seamless gas cylinders mostly adopts the single-wheel swing arm spinning method, and the spinning technology is relatively mature, but the maximum outer diameter of gas cylinders has not yet exceeded Φ720mm, and it is mostly used for spinning thin-walled steel pipes

Method used

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  • Double-rotation wheel hot spinning necking method for large-diameter seamless gas cylinder
  • Double-rotation wheel hot spinning necking method for large-diameter seamless gas cylinder
  • Double-rotation wheel hot spinning necking method for large-diameter seamless gas cylinder

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Embodiment Construction

[0030] The present invention will be described in further detail below in conjunction with accompanying drawing and embodiment, and following embodiment is explanation of the present invention and the present invention is not limited to following example.

[0031] like figure 1 As shown, the spinning machine implementing the method of the present invention is composed of a clamping head 1, a spindle claw 2, a rotary wheel 4, a rotary wheel seat 5, a lateral feed system 8 and a longitudinal feed system 7, and the spindle claw 2 clamps The outer wall of the seamless steel pipe 3, at the same time, with the cooperation of the hydraulic system 6, the rotary wheel 4 installed on the rotary wheel seat 5 can be driven by the horizontal feed system 8 and the longitudinal feed system 7 according to the set The shape trajectory of the steel pipe 3 is spun and closed.

[0032] like figure 2 As shown, the structural parameters of the front wheel and the back wheel are: wheel width B=12...

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Abstract

The invention discloses a double-rotation wheel hot spinning necking method for a large-diameter seamless gas cylinder and relates to the technical field of metal formation. According to the double-rotation wheel hot spinning necking method, by sequentially carrying out processes including steel tube heating, hemisphere sealing head spinning, bottle mouth formation spinning and sealing head surface finishing spinning, the seamless gas cylinder with larger diameter and larger thickness can be produced, and in addition, double-wheel spinning reduces the spinning time and lowers the production cost.

Description

technical field [0001] The invention relates to the technical field of metal forming, in particular to a forming process of a hemispherical head and a bottle mouth of a seamless gas cylinder. technical background [0002] Compressed natural gas cylinders for long-tube trailers and gas storage cylinders for stations generally use hot-rolled (or cold-drawn) seamless steel pipes for hot spinning to form hemispherical heads and necks. [0003] The maximum outer diameter of the existing long-tube trailer compressed natural gas cylinders and station gas storage cylinders is Φ720mm. With the development of seamless steel pipe manufacturing technology and the gradual increase in the use of natural gas, the development and use of larger volume gas cylinders will have broad prospects. market expectation. [0004] At present, the hot spinning method of seamless gas cylinders mostly adopts the single-wheel swing arm spinning method, and the spinning technology is relatively mature, but...

Claims

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Application Information

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IPC IPC(8): B21D41/04B21D22/14B21D37/16
CPCB21D41/04B21D22/14B21D37/16
Inventor 郭恒王如军陈立柱段贤勇李进李强肖福仁陈伟
Owner YANGZHOU CHENGDE STEEL PIPE
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