Machining process for valve element of butterfly valve

Abstract

The invention relates to the technical field of valve body machining, and discloses a machining process for a valve element of a butterfly valve. The machining process for the valve element of the butterfly valve includes the following steps that an outer arc tool matched with the outer arc of a valve element butterfly plate is adopted to mill the outer arc surface of the valve element butterfly plate, and the outer arc tool retracts in the machining near a valve element shaft. According to the machining process for the valve element of the butterfly valve, the outer arc tool is utilized to machine the outer arc of the valve element butterfly plate, manual machining is replaced, the valve element butterfly plate better meeting the use demands can be machined, and the machining process is optimized. The machined valve element butterfly plate is assembled on a valve body, so that the sealing performance of the butterfly valve is improved. The machined outer arc is smooth, the friction between the valve element of the butterfly valve and the valve body is reduced, the service life of the butterfly valve is prolonged, and non-limit sliding of a butterfly handle is also avoided.

Description

technical field [0001] The invention relates to the technical field of valve body processing, in particular to a processing technology for a valve core of a butterfly valve. Background technique [0002] Butterfly valve, also known as flap valve, is a regulating valve with simple structure. Butterfly valve refers to a valve whose closing part is a disc, which rotates around the valve shaft to achieve opening and closing. It mainly plays the role of cutting and throttling on the pipeline. . The opening and closing part of the butterfly valve is a disc-shaped plate that rotates around its own axis in the valve body to achieve the purpose of opening, closing and adjusting. [0003] In the existing technology, the outer arc of the butterfly plate needs to be polished manually, the controllability is poor, and the arc radian of the processing is uneven. When it is installed with the valve body, the sealing performance of the valve body is poor, and the friction with the valve bo...

AI Technical Summary

Problems solved by technology

[0003] In the existing technology, the outer arc of the butterfly plate needs to be polished manually, the controllability is poor, and the arc radian of the processing is uneven. When it is installed with the valve body, the sealing performance of the valve body is poor, and the friction with the valve body is large. , short service life

Images