Precoated sand shell casting mold and process
A technology of shell casting and coated sand, applied in the direction of manufacturing tools, casting molding equipment, cores, etc., can solve the problems of low demoulding efficiency and high damage rate, and achieve the effect of simple operation
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[0048] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all involve the protection scope of the present invention.
[0049] Such as Figure 1 to Figure 5 As shown, this example proposes
[0050] The film-coated sand shell casting mold includes an upper mold 1 and a lower mold 2 that cooperate with each other, and the upper surface of the lower mold 2 is provided with a groove 3, and also includes:
[0051] The ejector device 4 is arranged on the lower die 2 for jacking up the upper die 1, and the ejector device 4 includes
[0052] There are several push plates 5, which are evenly distri...
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