Butterfly plate combination method of butterfly valve assembling machine

Abstract

The invention provides a butterfly plate combination method of a butterfly valve assembling machine, and relates to the technical field of valve production. The butterfly plate combination method of the butterfly valve assembling machine comprises the following steps of 1, firstly, placing valve bodies on a machining table for positioning, and then placing butterfly plates at the upper sides of opening parts of the valve bodies; and 2, starting a lifting driving mechanism, using the movable end of the lower portion of the lifting driving mechanism to drive a lifting plate to move downwards, and driving pressing blocks to move downwards in the downward moving process of the lifting plate, wherein one or more pressing blocks make contact with protrusions on the upper surface of the butterflyplates firstly. According to the butterfly plate combination method, balanced downward pressure can be applied to the non-planar butterfly plates, the accuracy of combined installation of the different types of butterfly plates and the valve bodies is guaranteed, for different types of butterfly valves, a pressure head does not need to be replaced frequently, the production efficiency is guaranteed, and the production cost and the storage and management cost are reduced.

Description

technical field [0001] The invention relates to the technical field of valve production, in particular to a butterfly plate combination method of a butterfly valve assembly machine. Background technique [0002] Butterfly valve, also known as flap valve, is a regulating valve with simple structure, which can be used for switch control of low-pressure pipeline medium. of a valve. The valve can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media; it mainly plays the role of cutting and throttling on the pipeline; the opening and closing parts of the butterfly valve are A disc-shaped butterfly plate rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjustment. [0003] In the production and processing of butterfly valves, butterfly valve assembly machines are needed to install the butterfly plates into the valve body. The butterfly p...

AI Technical Summary

Problems solved by technology

[0003] In the production and processing of butterfly valves, butterfly valve assembly machines are needed to install the butterfly plates into the valve body. The butterfly plate assembly methods of existing butterfly valve assembly machines are all driven by hydraulic telescopic rods to move the pressure head down. In this way, the process of pressing down the butterfly plate is completed. However, according to the different models of the butterfly valve, the sides of the butterfly plate are not all flat. The flat butterfly plate evenly applies downward pressure to ensure the combined quality of the butterfly plate and the valve body. However, for some butterfly valves produced in small batches, the pressure head needs to be replaced frequently, which reduces the overall production efficiency and has more matching. models of indenters, which also increases manufacturing costs and storage management costs

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