Special device for manufacturing composite material molded arc mold release film
A special equipment and release film technology, which is applied in the field of special equipment for manufacturing composite forming arc release films, can solve the problems of uneven thickness, high cost, easy air leakage, etc., and achieve uniform thickness of air bags and high production efficiency. High and air tightness
Inactive Publication Date: 2013-06-12
厦门新旺新材料科技有限公司
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Problems solved by technology
[0002] In the blow molding process of composite materials, a built-in release film is required. The release film needs to be separated from the resin system during the molding process, and the release film needs to be tightly bonded to the profile before it is separated. Now many profiles are It is curved, such as bicycle rims, etc., and the release film can only be linear due to technical limitations during production, so it is necessary to perform secondary processing on the release film. This secondary processing in the prior art The folding indentation method is adopted, that is, the linear release film is folded and indented in a biased manner, so that a curved structure can be formed, but this method will form deep marks on the profile during the molding process, which will affect the inner wall. Flatness, low folding efficiency, high cost, great destructiveness, uneven thickness, easy air leakage, etc., are not easy to be accepted by everyone or have hidden dangers
Method used
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[0011] Such as figure 1 and figure 2 As shown, the special equipment for manufacturing arc-shaped release film for composite material forming according to the present invention includes a feed frame 10 and upper and lower welding molds 20 . The feeding frame 10 is provided with a feed port 11 and a discharge port 12, and the discharge port 12 is facing the upper and lower welding molds 20, and the upper and lower welding molds 20 include a patrix 21 and a lower die 22, and the upper die 21 and the lower die The mold 22 is provided with evenly distributed welding contact knives 23, and the welding contact knives 23 on the upper mold 21 and the lower mold 22 are in contact with each other. The outer ends of the welding contact knives 23 are arc-shaped. state.
[0012] Such as Figure 1 to Figure 3 As shown, in the actual use process, after the release film 30 enters from the feed port 11 of the feed frame 10, it is pushed into the upper and lower welding molds 20 from the di...
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The invention relates to the technical field of mold release film manufacturing, and in particular relates to a special device for manufacturing a composite material molded arc mold release film. Compared with the prior art, the special device for manufacturing the composite material molded arc mold release film comprises a feeding frame and an up-down welding mold which is engaged with the feeding frame, wherein the up-down welding mold comprises an upper mold and a lower mold; uniformly distributed welding contact cutters are arranged on the upper mold and the lower mold; the welding contact cutters on the upper mold and the lower mold are contacted in a matching manner; the outer end of each welding contact cutter is circular arc-shaped; and straight line type films can be asymmetrically staggered and extruded, so that the straight line type films can form an arc structure so as to meet the molding requirement of various arc-shaped pipes. The special device has the advantages of being simple in structure, high in production efficiency, relatively smooth in surface, uniform in air bag thickness, good in air impermeability and the like.
Description
technical field [0001] The invention relates to the technical field of release film manufacturing, in particular to a special device for manufacturing arc-shaped release films formed from composite materials. Background technique [0002] In the blow molding process of composite materials, a built-in release film is required. The release film needs to be separated from the resin system during the molding process, and the release film needs to be tightly bonded to the profile before it is separated. Now many profiles are It is curved, such as bicycle rims, etc., and the release film can only be linear due to technical limitations during production, so it is necessary to perform secondary processing on the release film. This secondary processing in the prior art The folding indentation method is adopted, that is, the linear release film is folded and indented in a biased manner, so that a curved structure can be formed, but this method will form deep marks on the profile durin...
Claims
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IPC IPC(8): B29C55/02
Inventor 刘烈新吴振宇钱开军
Owner 厦门新旺新材料科技有限公司
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