Mould structure for centering molding process of rotating shaft symmetrical part
A technology of symmetrical parts and rotary shafts, applied in the field of mold structure, can solve the problems that the productivity and product quality cannot be further improved, and the casting process cannot be further developed and applied, so as to achieve the effect of improving production efficiency and product quality
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[0017] Such as Figure 1 to 3 As shown, a mold structure for the center casting process of a rotational axis symmetrical part according to the present invention includes a fixed mold 1 and a movable mold 2. There is a cavity between the fixed mold 1 and the movable mold 2. The structure is as follows:
[0018] The fixed mold 1 is located at the center of the cavity with a sprue sleeve 3 communicating with the cavity. The sprue sleeve 3 is a large sprue sleeve. The diameter of the inner orifice 31 corresponds to the diameter of the center hole of the product. The inner cavity of the sprue sleeve 3 has a tapered structure.
[0019] The movable mold 2 is provided with a secondary extrusion rod 4 inserted in the movable mold 2 at the center of the cavity and connected with external extrusion power equipment; the secondary extrusion rod 4 is the same as the sprue sleeve 3 The shaft is arranged, and its head cooperates with the inner orifice 31 of the sprue sleeve to form an inner gate...
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