JPS63128011U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a front view (partially sectional view) of a mold release device that is an embodiment of the present invention, and FIG. 2 is a front view (partially sectional view ). Fig. 3 is a front view (partially sectional view) of the main part showing the engaging member and peripheral parts of the same mold release device, and Fig. 4 is a plan view (partial sectional view) of the main part of the releasing device of the same device. It is. FIG. 5 is a partially cutaway front view showing the structure of the rotational center of the clamp claw of the device;
FIG. 6 is a sectional view showing an example of the mold release device according to the earlier application of the present application, and FIG. 7 is a front view (partial sectional view) of the main parts showing the clamp claw and surrounding parts of the mold release device in FIG. 6. be. 10: Rubber molded product, 11: Large diameter part, 12: Core mold, 13: Small diameter part, 14: Groove shaped part, 16: Clamp device, 20: Clamp claw, 30: Detachment device,
32: Drive cylinder, 42: Engagement member, 52: Air supply port member.

Claims (1)

[Claims for Utility Model Registration] A hollow cylindrical body with open ends, one end having a large diameter and the other end having a small diameter, the large diameter part having a bellows part and the small diameter part having a bellows part. A device for releasing an elastic molded product having a groove-shaped portion on its outer surface from a core mold that is in close contact with its inner surface, and grips or releases the groove-shaped portion of the small diameter portion by opening and closing operations of a clamp claw. a clamp device, which has a cylindrical shape and whose tip end is inserted between the inner surface of the open end of the small diameter portion and the outer surface of the core mold, and is fed while the clamp device clamps the molded product; an air inlet member that blows incoming compressed air from between the inner surface of the small diameter portion and the outer surface of the core mold to expand the bellows portion of the molded product outward; and an engagement member that engages with the large diameter portion of the molded product. and a drive mechanism part that moves the engaging member in a direction away from the clamp claw, and the molded product that remains on the clamp claw after being released from the core mold is moved by the movement of the engaging member. 1. A releasing device for an elastic molded product having a bellows portion, the device comprising: a detaching device forcibly detaching the product by using the bellows.