Sponge fixed-distance cutting machine

The utility model relates to a sponge fixed-distance cutting machine which comprises a first conveying belt, a bearing platform, a punching machine and a fixed-distance assembly, the punching machine is erected above the bearing platform, the first conveying belt is located on one side of the bearing platform, the fixed-distance assembly is connected to the other side of the bearing platform, and the fixed-distance assembly comprises a first telescopic body and an ejector plate. The output end of the first telescopic body is arranged upwards, the first telescopic body drives the ejection plate to eject or retract, a distance sensor is arranged on the face, facing the punching machine, of the ejection plate, the sponge is conveyed to the bearing platform through the first conveying belt, at the moment, the ejection plate is ejected, and the sponge continues to move towards the ejection plate till the sponge is ejected to the ejection plate. At the moment, the distance sensor senses that the distance between th