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Tappet centering device for perforating machine

A centering device, piercing machine technology, applied in the direction of mandrel, metal rolling, manufacturing tools, etc., can solve the problems of ejector rod bending, inaccurate positioning, etc., and achieve the effect of improving product quality, preventing bending, and accurate centering

Inactive Publication Date: 2012-01-25
TAIYUAN TONGZE HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a centering device for the punching machine head, which solves the problems of inaccurate positioning and easy bending of the ejector rod existing in the existing centering device for the punching machine

Method used

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  • Tappet centering device for perforating machine
  • Tappet centering device for perforating machine

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Embodiment Construction

[0009] A centering device for the head of a piercing machine, comprising a second-stage base 16 in the background, a centering device base frame 7 fixedly arranged on the second-stage base 16 in the background, and two sets of Lifting screw device 10, two lifting screw devices 10 are connected together with hand wheel 8 through leading screw, the upward output shaft of two lifting screw devices 10 passes through the top surface of centering device chassis 7 and supports The roller supports 13 are fixedly connected together, and the lifting of the support roller supports 13 can be realized by adjusting the hand wheel 8 . A lifting guide rod 11 is arranged between the top surface of the centering device chassis 7 and the support roller support 13, so that the lifting of the support roller support 13 is completed under the guidance of the lifting guide rod 11. Two support rollers 1 are arranged in parallel on the support roller support 13 along the direction of the punching machi...

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Abstract

The invention discloses a tappet centering device for a perforating machine, which solves the problems of inaccurate positioning and high possibility of bending of an ejector rod existing in the conventional perforating machine centering device. The device comprises a centering device base frame (7) fixedly arranged on a backstage second-segment base (16) and two lifting screw rod devices (10), wherein upwards output shafts of the two lifting screw rod devices (10) pass through the top surface of the centering device base frame (7) and then are fixedly connected with a supporting roller support (13); two supporting rollers (1) are parallelly arranged on the supporting roller support (13) along the direction of the ejector rod of the perforating machine; an oscillating rod support (3) and a hydraulic cylinder (5) are arranged on a mounting platform (6) respectively; the oscillating rod support (3) is hinged with the middle part of an oscillating rod (4) together through a hinge; the output shaft of the hydraulic cylinder (5) is connected with the tail part of the oscillating rod (4); and a compaction roller (2) is arranged on the head part of the oscillating rod (4). By the device, a tappet can be centered accurately, the requirement of supporting orientation of the ejector rod is met, and the ejector rod is prevented from bending.

Description

technical field [0001] The invention relates to a plug centering device of a piercing machine, in particular to a plug centering device for quick replacement of the piercing machine plug in the production of hot-rolled seamless steel pipes. Background technique [0002] The hot-rolled Wufeng steel pipe is rolled by a piercing machine. The basic process of piercing and rolling is: a closed pass is formed by a roll, a guide plate, and a plug, and the high-temperature metal is continuously deformed in the area formed by the pass. Finally, the hollow capillary is rolled out from the solid tube blank. Among them, the rolls and guide plates are relatively fixed and installed according to the process requirements, and the plug is installed on the ejector rod. According to the action requirements of the rolling cycle, the rolling position and the post-work position are periodically changed. Since the solid tube blank is perforated into a hollow capillary, the metal deformation is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B25/00B21B19/04
Inventor 周桂巧魏利明
Owner TAIYUAN TONGZE HEAVY IND
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