Lost foam casting sand box
A technology of lost foam casting and sand box, which is applied to casting molding equipment, molding boxes, manufacturing tools, etc. It can solve the problems of increased workload, inconvenient use, and inability to adjust volume, so as to reduce workload, reduce usage, and improve The effect of connection strength
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[0029] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0030] Such as Figure 1 to Figure 5 As shown, a lost foam casting flask includes a flask body 1, and the flask body 1 is a hollow structure for placing molds; the flask body 1 includes a box body 2 and a box bottom 3; the box body 2 It consists of a first main board 21 and a second main board 22, and the first main board 21 and the second main board 22 are connected through a connection module 4; the connection module 4 includes a No. 1 connecting board 41 and a No. 2 connecting board 42; the The first connecting plate 41 is hinged to one end of the second connecting plate 42 , the other end of the first connecting plate 41 is hinged to the first main board 21 , and the other end of the second connecting plate 42 is hinged to the second main boar...
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