Silica gel bent pipe forming mold and production process of silica gel bent pipe
A technology for forming molds and production processes, which is applied to household appliances, tubular objects, and other household appliances, etc. It can solve problems such as difficult to achieve high precision, and achieve the effect of precise arc and uniform wall thickness
Inactive Publication Date: 2016-06-15
珠海正川塑胶制品有限公司
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Problems solved by technology
At present, it is difficult to meet the high-precision production technology requirements for medical-grade silicone elbows, especially those that need to be placed inside the human respiratory tract.
Method used
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Embodiment Construction
[0036] Such as Figure 1 to Figure 9 As shown, in this embodiment, a silicone elbow forming mold includes a front mold 1 and a rear mold 2, and the mold parting surface of the rear mold 2 is provided with an elbow core 3, and the front mold 1 and the After the rear mold 2 is closed, an elbow cavity 4 is formed at the corresponding position of the elbow core 3, and the fixed end of the elbow core 3 is fixed on the row position 5 and passes through the row position 5 in the rear The mold 2 is installed and positioned, and the elbow core 3 is positioned coaxially with the positioning cavities 6 provided at both ends of the elbow cavity 4 . Through the precise fixing and positioning structure, the elbow core 3 of the silicone elbow forming mold can be accurately fixed and positioned in the axial and radial directions, thereby ensuring the curvature of the product 8 Precise and uniform wall thickness.
[0037] In this embodiment, the row position 5 is provided with a positioning ...
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Abstract
The invention discloses a silicone elbow forming mold and a production process thereof, aiming at providing a high-precision silicone elbow forming mold and a high-precision silicone elbow production process. Said a kind of silicone elbow forming mold comprises a front mold and a back mold, an elbow core is arranged on the parting surface of the back mold, and after the front mold and the back mold are closed, the elbow core The corresponding position forms an elbow cavity, and the fixed end of the elbow core is fixed on the row position and is installed and positioned on the rear mold through the row position. The elbow core and the elbow cavity The positioning cavities provided at both ends are positioned coaxially. The production process of the silicone elbow is as follows: mold opening - air blowing and demoulding - mold cleaning - repairing - full inspection - static electricity removal. The invention is applied to the technical field of a silicone elbow forming mold and a production process thereof.
Description
technical field [0001] The invention relates to a silicone elbow forming mold and a production process thereof. Background technique [0002] At present, the application fields of silicone elbow products are very wide, and they are in great demand in industries such as automobiles, electronics, and medical treatment. The positioning effect and positioning accuracy of the mold core are not good. In this way, during the vulcanization operation, the cavity is subjected to the extrusion force of flowing silica gel, which causes the mold core to be stretched and deformed in the axial and radial directions, resulting in the wall thickness of the molded product. Unevenness and deformation of the product, resulting in waste. Especially for the medical industry, most of the silicone elbow products are used in the oral cavity, nasal cavity or esophageal trachea of the human body, and its precision directly affects the treatment effect, and even relates to the health of the user. A...
Claims
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IPC IPC(8): B29C39/26B29C39/02B29C39/36B29C39/22B29L23/00
CPCB29C39/26B29C39/02B29C39/22B29C39/36B29L2023/004
Inventor 李隆平
Owner 珠海正川塑胶制品有限公司