Drop plate mechanism of sponge foaming machine

The utility model provides a drop plate mechanism of a sponge foaming machine, which comprises a rack, a rectangular middle drop plate and side drop plates arranged on two sides of the middle drop plate in the width direction, the middle drop plate is positioned above the rack, and the two side drop plates slide on the upper portion of the middle drop plate along the width direction of the middle drop plate. A vertical side plate is arranged on one side, far away from the middle falling plate, of the side falling plate; lifting mechanisms are arranged at the bottoms of the two sides of the middle falling plate in the length direction, the lifting mechanisms are arranged between the middle falling plate and the rack, and each lifting mechanism comprises a ball screw lifting machine and a servo motor fixedly connected with the input end of the ball screw lifting machine; a width adjusting mechanism is arranged on the side, away from the middle falling plate, of the side falling plate, and the width adjusting me