Forming die for rubber diaphragm
A technology for forming molds and rubber diaphragms, applied in the field of molds, can solve the problems of high failure rate of finished products, affecting the production efficiency of rubber diaphragms, etc., and achieve the effect of good fixing effect, prolonging service life and ensuring normal operation.
Active Publication Date: 2021-01-08
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 forming die for a rubber diaphragm. The forming die comprises a bottom die, a sliding rod and a pressing plate. A groove is formed in the middle of the upper surface of the bottom die, and the upper end of the groove formed in the upper surface of the bottom die is of an inclined structure. Telescopic rods are installed on the left side and the right side of the inner bottom face of the groove formed in the upper surface of the bottom die, the telescopic rods are externally wrapped with first compression springs, and the top ends of the telescopic rods are fixedly connected with supporting blocks. Two connecting blocks are installed on the left side and the right side of the bottom die correspondingly, and sliding holes are formed in the front ends and the rear ends of the upper surfaces of the connecting blocks correspondingly. Second compression springs are installed at the bottom ends of the interiors of the sliding holes formed in the upper surfaces of theconnecting blocks. The edge side of the rubber diaphragm can be well fixed, so that the rubber diaphragm is prevented from being dislocated in the machining process; and meanwhile, the situation thatthe rubber diaphragm shrinks inwards in the machining process can be avoided through the synchronously-lifted bottom die, and the production quality of the rubber diaphragm can be guaranteed.
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