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Large-diameter seamless steel pipe sizing-reducing mill

A technology of seamless steel pipe, fixed and reduced diameter, applied in the direction of metal rolling stand, metal rolling mill stand, metal rolling, etc., to achieve the effect of reducing volume, convenient installation, and saving manufacturing and processing costs

Active Publication Date: 2006-05-24
TAIYUAN TONGZE HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to design a large-diameter sizing machine that is simple and compact in structure, small in size, light in weight, easy to adjust and position, and easy to install, aiming at the fact that the above existing sizing machine technology cannot meet the needs of large-diameter seamless steel pipe production equipment. Caliber seamless steel pipe sizing machine

Method used

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  • Large-diameter seamless steel pipe sizing-reducing mill
  • Large-diameter seamless steel pipe sizing-reducing mill
  • Large-diameter seamless steel pipe sizing-reducing mill

Examples

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Embodiment Construction

[0017] The specific implementation will be described below in conjunction with the accompanying drawings.

[0018] figure 1 Shown, a large diameter seamless steel pipe sizing machine. It includes at least two racks 1 and rolls 2 arranged along the steel pipe rolling direction, and a transmission device. The basic guide rail 3 is a V-shaped guide rail, and the basic guide rail under each frame is composed of two mutually perpendicular basic guide rails parallel to the rolling direction of the steel pipe and perpendicular to the rolling direction of the steel pipe; The direction corresponds to the V-shaped positioning groove 9; the V-shaped groove is directly located on two mutually vertical basic guide rails, and the frame and the V-shaped groove are fixed on the basic guide rails with bolts and nuts, and each frame is connected together. There are three rolls in each frame, and the rolls have bearings and are installed in the frame, each roll is connected with the transmissi...

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Abstract

The present invention relates to a sizing reducing mill for large-diameter seamless steel pipe. It includes at least more than two machine frames and rolls which are arranged along steel pipe rolling direction and driving device. It is characterized by that the machine frame is placed on the basic guideway, and fixed on the basic guideway by means of bolts and nuts, all the machine frames are connected together by means of connecting device, every machine frame interior is equipped with three rolls, every roll is connected with driving device by means of extended shaft or sleeve.

Description

technical field [0001] The invention belongs to continuous rolling production equipment of seamless steel pipes in metallurgical enterprises, and in particular relates to a sizing and reducing machine for seamless steel pipes. Background technique [0002] At present, in the continuous rolling production equipment of seamless steel pipes in metallurgical enterprises, the sizing machine is one of the key finishing equipment for continuous rolling production of seamless steel pipes. After hot rolling, the steel pipe needs to be reduced, rounded and sized by a sizing and reducing machine, and finally rolled into a seamless steel pipe product. The sizing machine in the φ140, φ100, φ76 seamless steel pipe continuous rolling mill includes a machine base, a frame installed in the machine base, three roll devices in the frame, and a transmission device composed of a motor, a reducer and a transmission shaft, etc. . When changing the rolls of the sizing machine, first, manually rem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B31/02B21B19/10B21B31/06
Inventor 冀文生
Owner TAIYUAN TONGZE HEAVY IND
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