Machining mold and machining process for valve body of expanded ball valve
A technology for processing molds and valve bodies, which is applied in the field of processing molds and processing technology of Cantonese-style ball valve bodies, and can solve problems such as cumbersome processing, waste of materials, and leakage of valve body pressure
Active Publication Date: 2013-10-23
丽水旺利金属科技有限公司
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[0025] Such as figure 1 , figure 2 The processing mold for a wide-style ball valve body shown in the figure includes an upper mold base 1 and a lower mold base 2 that slide relatively. The mold base 1 is provided with a guide sleeve 11 which is inserted in the upper guide column 21 of the lower mold base 2 and slides axially along the guide column 21, so that a slide can be formed between the upper mold base and the lower mold base 2. It also ensures the stability and concentricity during the sliding process; of course, it is also feasible to set the guide sleeve on the lower mold base 2 and set the guide column on the upper mold base. The upper die base 1 is provided with a punch assembly 3, and the lower die base 2 is provided with a die assembly 4 corresponding to the punch assembly 3; the punch assembly 3 includes a fixed connection with the upper die base 1 Mounting seat 31 and the valve core placement cavity stamping column 32 located on the mounting seat 31, the die ...
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The invention relates to an expanded ball valve, and in particular relates to a machining mold and a machining process for a valve body of an expanded ball valve. The invention adopts the specific scheme that the machining mold for the valve body of the expanded ball valve comprises an upper mold seat and a lower mold seat which can slide relative to each other, wherein a male mold assembly is arranged on the upper mold seat; a female mold assembly which corresponds to the male mold assembly is arranged on the lower mold seat; the male mold assembly comprises an installation seat and a valve core placement cavity punching column; the installation seat is fixedly connected with the upper mold seat; the valve core placement cavity punching column is arranged on the installation seat; the female mold assembly comprises a valve body cold-extrusion molding cavity, a pipe connection cavity punching column and an ejector pin assembly; the pipe connection cavity punching column is positioned in the valve body cold-extrusion molding cavity and is coaxial to the valve core placement cavity punching column; the ejector pin assembly extends from the lower mold seat to the valve body cold-extrusion molding cavity, and can axially slide back and forth along the valve body cold-extrusion molding cavity. By the adoption of the technical scheme, the machining mold and the machining process for the valve body of the expanded ball valve, provided by the invention, have the advantages that the production efficiency is improved, materials are saved, and the product quality is improved.
Description
technical field [0001] The invention relates to a Cantonese-style ball valve, in particular to a processing mold for a Cantonese-style ball valve body and a processing technique thereof. Background technique [0002] Cantonese ball valve and flanged gate valve belong to the same type of valve. The ball rotates around the centerline of the valve body to open and close the valve. Ball valves are mainly used in pipelines to cut off, distribute and change the flow direction of media. These valve bodies are generally installed horizontally. [0003] The valve body of the Cantonese ball valve is mainly cylindrical or hexagonal. One end of the axial end is provided with a valve core (that is, a ball) placement cavity, and the other axial end is provided with a pipe fitting connection chamber. The space is separated by a partition, and the partition is provided with an opening that is sealed with the valve core. During the processing, the operator first needs to cut the columnar...
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Inventor 王显旺
Owner 丽水旺利金属科技有限公司