The utility model discloses a hopper top cover for a foam plastic recycling cold press, comprising a cover body, support arms and gas springs. The rear side of the cover body is hinged to the rear side of the hopper opening through a plurality of hinges. The support arms are respectively arranged at both ends of the front side of the cover body, and the upper ends of the support arms are vertically and fixedly connected to the cover body. The gas springs are respectively arranged at both ends of the lower side of the cover body, one end of each gas spring is hinged to the lower end of the corresponding support arm, and the other end is hinged to the inner side of the side wall of the hopper opening. The hopper opening is inclined with a high rear and a low front. When the hopper top cover is closed, the cover body completely covers the hopper opening with a high rear and a low front. When the cover body is opened, the included angle α between the cover body and the hopper opening is 44°～47°. The utility model solves the problems of dust flying, high noise, foreign matter ejection, serious environmental pollution and harm to operators’ health at the upper part of the hopper, ensures the life safety of operators and improves equipment safety.

Area Code: CN

Application Number: CN201220114818.2