Pipe contraction device
A technology of tube shrinking and positioning device is applied in the field of pipe fitting processing equipment, which can solve the problems of increasing the workload of workers and reducing production efficiency, and achieves the effects of simple structure, improved production efficiency and convenient use.
Inactive Publication Date: 2012-07-18
张家港市华舜机械制造有限公司
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Problems solved by technology
[0003] The tube shrinking device in the prior art can generally only shrink one end or both ends of the metal pipe fittings into a reduced nozzle. Therefore, to connect and fix several metal pipe fittings, it is necessary to go through the welding step, which not only increases the worker's labor. workload and reduced productivity
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[0016] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0017] see Figure 1 to Figure 4 , a pipe shrinking device, comprising: a frame 1, several drag racks 2, and a first clamping head 3, a second clamping head 4, a third clamping head 5, The first shrinking mechanism 6 and the second shrinking mechanism 7, the first shrinking mechanism 6 is arranged between the first clamping head 3 and the second clamping head 4, the second shrinking mechanism 7 Set between the second clamping head 4 and the third clamping head 5, the first clamping head 3 includes a pair of first clamping dies 30 and drives the pair of first clamping dies 30 to clamp The first clamping oil cylinder 31 of the pipe fittings, the second clamping machi...
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The invention discloses a pipe contraction device. The pipe contraction device comprises a frame, a plurality of material carrying frames, and a first clamping handpiece, a second clamping handpiece, a third clamping handpiece, a first pipe contraction mechanism and a second pipe contraction mechanism which are arranged on the frame, wherein the first clamping handpiece, the second clamping handpiece and the third clamping handpiece comprise a pair of clamping dies and a clamping oil cylinder for driving the clamping dies to clamp a pipe fitting respectively; the first pipe contraction mechanism and the second pipe contraction mechanism comprise a pipe contraction die and a driving oil cylinder for driving the pipe contraction die to move respectively; a first positioning device is arranged on one side of the first clamping handpiece; a second positioning device is arranged on one side of the second clamping handpiece; and a third positioning device is arranged on one side of the third clamping handpiece. The pipe contraction device has a simple structure, and can directly and fixedly connect three metal pipe fittings without welding, so that the production efficiency is improved.
Description
technical field [0001] The invention relates to pipe fitting processing equipment, in particular to a pipe shrinking device. Background technique [0002] In the prior art, it is often necessary to connect and fix several metal pipe fittings with circular cross-sections. People generally connect several metal pipe fittings by welding. However, if the diameters of several metal pipe fittings are too different, then It is impossible to connect the metal pipe fittings directly by welding. Therefore, the ports of the metal pipe fittings need to be processed first, such as shrinking the ports of the metal pipe fittings into a narrow nozzle, and then welding and fixing them with other metal pipe fittings. [0003] The tube shrinking device in the prior art can generally only shrink one end or both ends of the metal pipe fittings into a reduced nozzle. Therefore, to connect and fix several metal pipe fittings, it is necessary to go through the welding step, which not only increases...
Claims
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IPC IPC(8): B21D41/04
Inventor 胡承勇
Owner 张家港市华舜机械制造有限公司