Mold cover locking device of polyurethane product molding mold

Abstract

The invention discloses a die cover locking device for a polyurethane product forming die. A left connecting rod and a right connecting rod are hinged with each other through a second pin; the left connecting rod and the right connecting rod are respectively hinged with two locking sliders through a first pin and a third pin; springs are arranged in holes in the tail parts of the locking sliders; the left connecting rod, the right connecting rod, the first to third pins, the locking sliders and the springs are all arranged in a cavity of a locking plate together; an unlocking slider is arranged in a slot of the locking plate, one end of the unlocking slider is in contact with the left connecting rod and the right connecting rod; the locking plate and a mandril guide plate are connected with each other through a third screw; a pressure plate is connected with a mandril through a second screw, a die cover is connected with the mandril through a first screw; the mandril is arranged in holes of the locking plate and the mandril guide plate; the springs are arranged on spring guide rods; the threaded ends of the spring guide rods are screwed in threaded holes of the pressure plate, and the other ends of the spring guide rods and the springs are all arranged in the holes of the locking plate and the mandril guide plate together; one end of a die cover revolving shaft is arranged in the hole of the mandril guide plate, and connected with the screw by a washer, and the other end of the die cover revolving shaft is connected with the die.

Description

technical field [0001] The invention relates to a mold cover locking device of a polyurethane product molding mold. Background technique [0002] Chinese patent CN101607427A disclosed on December 23, 2009 a structural improvement of a polyurethane elastomer pouring machine, including a controller, a material tank connected to the controller, a heater, and a stirring device connected to the material delivery pipe of the material tank. device and forming mold, characterized in that: the material tank is: the lower part of the material tank is provided with an incubator that wraps the equipment in the lower part of the material tank, and a heating device controlled by a heater is arranged in the incubator; the stirring The device is; the outer surface of the agitator shell is covered with a jacket for filling the cooling medium, and the side of the jacket is provided with a cooling medium inlet and outlet that communicate with the inner cavity between the shell and the jacket, ...

AI Technical Summary

Problems solved by technology

[0003] Chinese patent CN101607427A discloses that the forming mold of the polyurethane elastomer pouring machine needs to manually loosen the mold cover, take the mold cover, cover the mold cover and lock the mold cover, the mold cover is opened, the mold cover is rotated, the mold cover is reset and the mold cover is locked. This action is completed by manpower, and continuous production cannot be realized.

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