Micro-embracing piercing machine inner roll

A piercing machine and micro-embracing technology, which is applied in the direction of mechanical equipment, electromechanical devices, casings/covers/supports, etc., can solve problems affecting the production quality of capillary tubes and uneven wall thickness at the end of capillary tubes, so as to avoid vibration and improve production quality effect

Active Publication Date: 2022-05-06
LIAOCHENG ANTAI PETROLEUM MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the existing perforating machine is close to the end of the capillary, due to the vibration, the wall thickness of the capillary tail is uneven, which seriously affects the production quality of the capillary.

Method used

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  • Micro-embracing piercing machine inner roll
  • Micro-embracing piercing machine inner roll
  • Micro-embracing piercing machine inner roll

Examples

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0026] Examples of the described embodiments are shown in the drawings, wherein like or similar reference numerals designate like or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0027] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clock...

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Abstract

The invention relates to the technical field of seamless steel pipe production devices, and discloses an inner roll of a micro-embracing piercer. An inner roll of a micro-embracing piercing machine, including an inner roll, the inner roll is installed inside a box body, the inner roll is driven by a driving mechanism, and the driving mechanism is installed inside the box body, the The bottom of the box body is fixedly connected with the box body installation mechanism. In the present invention, an inner tube is arranged in the inner roller of the machine, and three core-holding rollers are connected to the inner tube through curved connecting rods. Both ends of the core-holding rollers are The roller sleeve is sleeved, and the roller sleeve is connected with the eccentric shaft. Driven by the driving mechanism, the inner tube is rotated. The inner tube drives the roller sleeve to rotate around the eccentric shaft through the connecting rod, and drives the core-holding roller to move to the middle to achieve a micro-hugging effect. Therefore, when the processing of the capillary is close to the end, by starting the driving device to slightly embrace the capillary, the vibration of the capillary can be effectively avoided, thereby improving the production quality of the capillary.

Description

technical field [0001] The invention relates to the technical field of seamless steel pipe production devices, in particular to an inner roll of a micro-embracing piercer. Background technique [0002] The piercing machine is one of the key equipments in the seamless steel pipe production line. It is used to roll the heated round billet into a capillary pipe, and provide a hollow billet for subsequent hot rolling and cold drawing. The three-roll guide device in the background equipment of the piercing machine plays the role of embracing the ejector rod and guiding the capillary pipe in the rolling process of the capillary, so that the center line of the ejector rod and the capillary always coincides with the rolling line. Whether its design is reasonable or not directly affects Product quality of seamless steel pipes. As the three-roller guide device closest to the piercing machine, the inner roller device in the machine has a more direct impact on the mechanical structure ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B19/04B21B25/00B21B35/12H02K5/24F16F15/067
CPCB21B19/04
Inventor 高海瑞高万峰王胜永王军李万明
Owner LIAOCHENG ANTAI PETROLEUM MACHINERY
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