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Butterfly valve center hole processing fixture

A center hole and butterfly valve technology, applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of not being suitable for large-scale production, low production efficiency, complicated procedures, etc., to simplify the line drawing process of the fitter, The effect of improving productivity

Inactive Publication Date: 2011-01-26
天津津通瓦特阀门制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has complex procedures and low production efficiency, and is not suitable for mass production

Method used

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  • Butterfly valve center hole processing fixture
  • Butterfly valve center hole processing fixture
  • Butterfly valve center hole processing fixture

Examples

Experimental program
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Embodiment Construction

[0008] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments. As shown in the figure, a fixture for processing the center hole of a butterfly valve is mainly composed of a bent plate 1 connected to the spindle of the lathe, a positioning plate 2 for the inner diameter of the butterfly valve, a drilling mold 3 and a pressure plate 4, and the positioning plate 2 is fixed on the right-angled plane of the bent plate Above, the positioning plate 2 is vertically provided with fixing bolts 5 along the center line, the pressure plate 4 is sleeved on the bolts 5, and the positioning plate 2 is fixed with a drilling template 3 along the central axis of the lathe.

[0009] When in use, the valve port of the butterfly valve is placed on the inner diameter positioning plate 2 of the butterfly valve, the pressure plate is set on the bolt and the nut is tightened, and the center hol...

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Abstract

The invention relates to a butterfly valve center hole processing fixture which is characterized by mainly comprising a bent plate, a butterfly valve inner diameter positioning plate, a drill jig and a pressure plate which are connected with a lathe spindle, wherein the positioning plate is fixedly connected on the right-angle plane of the bent plate, and is provided with set bolts perpendicularly along the central line thereof, the pressure plate is sleeved on the bolts, and the drill jig is fixed on the positioning plate along the center axial line of a lathe. The butterfly valve center hole processing fixture has the advantages that the drill jig arranged can keep a drill bit stable during drilling. The procedure that fitters draw lines is simplified, and the production efficiency is greatly improved. Meanwhile, the fixture further can machine a spigot on a top disc of a butterfly valve.

Description

technical field [0001] The invention belongs to butterfly valve tooling, in particular to a clamp for processing a center hole of a butterfly valve. Background technique [0002] Butterfly valve refers to a valve in which the closing part (disc or butterfly plate) is a disc that rotates around the valve shaft to open and close. It is mainly used for cutting and throttling on the pipeline. The opening and closing part of the butterfly valve is a disc-shaped butterfly plate that rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjustment. The neck of the valve body is provided with a central hole communicating with the valve seat, the central hole is used for installing the valve stem, and the valve stem is connected with the valve plate. The center hole is usually drawn by a fitter and then processed on a lathe. The method has complicated procedures and low production efficiency, and is not suitable for mass production. Conten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/00B23B43/00
Inventor 张春山徐治国张春领徐志安
Owner 天津津通瓦特阀门制造有限公司
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