Rapid water joint structure of mill frame

A technology for rolling racks and water joints, applied in the direction of metal rolling racks, metal rolling, metal rolling, etc., can solve the problems of short service life, easy stuck valve core, poor sealing, etc., to ensure the use of The effect of life, good sealing effect

Inactive Publication Date: 2011-11-02
WUXI SEAMLESS OIL PIPE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the material of the valve core, joint and sleeve used in the water joint structure of the existing rolling stand is the same. During use, the valve core is easy to get stuck, the sealing performance is poor, and the service life is short.

Method used

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  • Rapid water joint structure of mill frame
  • Rapid water joint structure of mill frame

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Embodiment Construction

[0008] See figure 1 , the present invention includes a valve casing formed by connecting joint 1 and sleeve 5, joint 1 and sleeve 5 are connected together by fastening bolts, T-shaped valve core 2 is buckled inside the valve housing, the root of T-shaped valve core 2 and The valve casing forms a cavity, and a spring 4 is arranged in the cavity, and the two ends of the spring 4 respectively press the joint surface of the valve core 2 and the valve casing buckle, that is, the ring wall surface of the inner wall of the sleeve 5, and the head of the valve core 2 Hollow, the tail of the spool 2 is a blind end, at the tail of the spool 2, the body of the spool 2 is provided with a through hole 7, and the tail end of the spool 2 is fitted with a washer nut 6, under the condition that the spool 2 is reset , the washer nut 6 is attached to the end of the sleeve, the through hole 7 is located inside the valve housing, and the joint of the valve core 2 and the valve housing is provided w...

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Abstract

The invention provides a rapid water joint structure of a mill frame. The structure is capable of avoiding the phenomenon of valve core block in the use process and has good tightness and long service life. The structure comprises a valve shell formed by connecting a joint with a sleeve; and a T-shaped valve core is buckled in the valve shell. The structure is characterized in that the rod part of the T-shaped valve core and the valve shell define a cavity; a spring is arranged in the cavity; the two ends of the cavity respectively press against a buckled joint surface of the valve core and the valve shell; the head part of the valve core is hollow; the tail part of the valve core is a blind end; the tail part of the valve core and the body of the valve core are provided with through holes; a tail sleeve of the valve core is provided with a gasket nut; and the gasket nut abuts against the end of the sleeve under the condition of the reset of the valve core, and the through holes are arranged inside the valve shell.

Description

technical field [0001] The invention relates to a cooling water spraying device on the roll surface of a rolling stand in a seamless continuous rolling steel pipe production line, in particular to a quick water joint structure of the rolling stand. Background technique [0002] In the seamless continuous rolling steel pipe production line, the spraying of cooling water is extremely important to the service life of the rolls. At present, the material of the valve core, joint and sleeve used in the water joint structure of the existing rolling stand is the same. During use, the valve core is easily stuck, the sealing performance is poor, and the service life is short. Contents of the invention [0003] In view of the above-mentioned shortcomings in the prior art, the present invention provides a quick water joint structure of a rolling stand, which can avoid the stuck phenomenon of the valve core during use, has good sealing performance, and has a long service life. [0004...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B27/10B21B31/02
Inventor 蔡晓东廖涛叶庆华
Owner WUXI SEAMLESS OIL PIPE
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