A molding die for rubber diaphragm
A technology for forming molds and rubber diaphragms, applied in the field of molds, can solve the problems affecting the production efficiency of rubber diaphragms and the high rate of unqualified finished products, and achieve the effect of good fixing effect, prolonging service life and ensuring normal operation.
Active Publication Date: 2022-05-06
埃福贝密封技术(苏州)有限公司
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Problems solved by technology
[0002] Rubber diaphragms are mainly used in valves, regulating valves, automatic mechanical follow-up devices, switches and counters for flow, pressure, differential, liquid level, constant temperature volume heat compensation, etc. Its advantages lie in high reliability and good compounding. The working life is long and the cost is low. The dimensional accuracy of the rubber diaphragm directly affects the performance of the product. Therefore, the industry has high requirements for the production of rubber diaphragms. When using conventional molds to produce rubber diaphragms, rubber diaphragm blanks are easy to produce Misalignment, or the rubber diaphragm blank shrinks into the die during extrusion molding, resulting in a high failure rate of the finished product, which affects the production efficiency of the rubber diaphragm
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] see Figure 1-3 , the present invention provides a technical solution: a forming mold for a rubber diaphragm, including a bottom mold 1, a slide bar 3 and a pressure plate 10;
[0022] Bottom mold 1: a groove is opened in the middle of the upper surface, and the upper end of the groove opened on the upper surface of the bottom mold 1 is an inclined structure, and the left and right sides of the inner bottom of the groove opened on the upper surface of t...
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The invention discloses a molding die for a rubber diaphragm, which comprises a bottom die, a slide bar and a pressing plate; the bottom die is provided with a groove in the middle of the upper surface, and the upper end of the groove provided on the upper surface of the bottom die is inclined Shaped structure, telescopic rods are installed on the left and right sides of the inner bottom surface of the groove provided on the upper surface of the bottom mold, and the outside of the telescopic rod is wrapped with a first compression spring, the top of the telescopic rod is fixedly connected with a support block, and the left and right sides of the bottom mold Two connecting blocks are respectively installed on both sides, and the front and rear ends of the upper surface of the connecting block are provided with sliding holes, and the inner bottom of the sliding holes opened on the upper surface of the connecting block is equipped with a second compression spring; The side of the film plays a better role in fixing, so as to avoid the misalignment of the rubber diaphragm during processing. At the same time, the synchronous lifting bottom mold can prevent the rubber diaphragm from shrinking inward during processing, and can ensure the rubber diaphragm. production quality.
Description
technical field [0001] The invention relates to the technical field of molds, in particular to a forming mold for rubber diaphragms. Background technique [0002] Rubber diaphragms are mainly used in valves, regulating valves, automatic mechanical follow-up devices, switches and counters for flow, pressure, differential, liquid level, constant temperature volume heat compensation, etc. Its advantages lie in high reliability and good compounding. The working life is long and the cost is low. The dimensional accuracy of the rubber diaphragm directly affects the performance of the product. Therefore, the industry has high requirements for the production of rubber diaphragms. When using conventional molds to produce rubber diaphragms, rubber diaphragm blanks are easy to produce Misalignment, or the rubber diaphragm blank shrinks into the die during extrusion molding, resulting in a high failure rate of the finished product, thereby affecting the production efficiency of the rubb...
Claims
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IPC IPC(8): B29C51/30B29C51/40B29C51/08
CPCB29C51/30B29C51/40B29C51/087
Inventor 金辉
Owner 埃福贝密封技术(苏州)有限公司