Primary die facilitating exhausting
A technology of exhaust groove and male mold, which is applied in the direction of glass blowing mold, etc., can solve the problems of glass frit rebound, safety hazard, sticking wire in the bottle, etc., and achieve the effect of improving quality, production quality and production efficiency
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[0016] The specific implementation of the present invention is as follows:
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[0017] Example: A prototype that is good for exhaust, such as Figure 2-4 As shown, the preliminary mold 1 is composed of two male molds 11 and female molds 12 that fit together. Both the male mold 11 and the female mold 12 are provided with a cavity 2 that penetrates up and down. The two cavities 2 cooperate with each other so that A bottle cavity is formed inside the first mold 1, and the surface where the male mold 11 and the female mold 12 fit closely together is the seam surface 3. There are several openings on the seam surface 3 to communicate the inside of the bottle cavity and the outside. The air exhaust groove 31 is located in the lower half of the joint surface 3; the depth of the exhaust groove 31 is 0.15 mm.
[0018] Specifically, the male mold 11 and the female mold 12 are closely fitted through the cooperation between a plurality of triangular ribs 7 and grooves 8, and the triangular ribs 7 and grooves 8 are respectively arranged on the corresponding joint surfaces...
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