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Circular-replacing device for perforator top head

A piercing machine and plug technology, which is applied in metal rolling, manufacturing tools, mandrels, etc., can solve the problems of difficult to control the height of straightening, locking failure, plug drop, etc., so as to reduce falling accidents and improve the success rate , the effect of improving accuracy

Pending Publication Date: 2020-09-04
CISDI ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The lifting structure of the existing plug circulation replacement device directly acts on the plug, and the plug is conical. Affected by the position of the plug, it is difficult to precisely control the height of the straightening, which often causes the plug to penetrate unsuccessfully, not in place, and the locking fails. head drop accident

Method used

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  • Circular-replacing device for perforator top head
  • Circular-replacing device for perforator top head
  • Circular-replacing device for perforator top head

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Embodiment Construction

[0024] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0025] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...

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Abstract

The invention relates to a circular-replacing device for a perforator top head, and belongs to the field of hot-rolling seamless steel pipe production equipment. The circular-replacing device comprises a replacing device and a lifting-centering device, wherein a plurality of saddles are arranged in the replacing device; a containing groove used for containing the top head is arranged above the saddles; on end of each saddle is rotatably arranged on the replacing device; the lifting-centering device acts on the other end of each saddle; and the top head rotates along with the saddles under thedriving of the lifting-centering device. In the circular-replacing device, one end of each saddle is rotatably arranged, the lifting-centering device acts on the other end of each saddle, the lifting-centering device directly acts on the lower saddle to eliminate an influence of the shape of the top head on lifting-centering height, and top head lifting-centering accuracy is improved so as to be favorable for a supporting rod to successfully and correctly penetrate into the top head, a top head replacement success rate is improved, and a top head falling accident is reduced.

Description

technical field [0001] The invention belongs to the field of hot-rolled seamless steel pipe production equipment, and relates to a piercing machine plug circulation replacement device. Background technique [0002] In various hot-rolled seamless steel pipe production processes, the piercing machine is used to perforate the solid tube billet. The piercing machine is mainly composed of the front billet pusher, the main body, the first stage of the background, and the second stage of the background. [0003] The main body of the piercing machine is arranged with two tapered rolls up and down. The axes of the rolls form a certain angle. The rolls are driven by a motor and a reducer. [0004] The exit of the piercing machine is arranged in turn with the first section of the backstage and the second section of the backstage. The first section of the backstage is mainly composed of 5-6 centering rollers and a set of transport rollers. The head cycle replacement device, the second ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B25/06B21B19/04
CPCB21B19/04B21B25/06
Inventor 肖伟柳林周超群王建辉
Owner CISDI ENG CO LTD
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