Printing trolley of heat press machine

The utility model relates to a printing trolley of a heat press machine. The printing trolley comprises a spray head assembly and an anti-collision assembly. The nozzle assembly comprises a nozzle mounting plate, a nozzle, a mounting strip, an adjusting screw, a mounting screw and a mounting frame; a mounting strip is arranged in front of each nozzle and is fixedly connected with the nozzle mounting plate in the transverse direction; the adjusting screws comprise an adjusting screw A and an adjusting screw B which are horizontally arranged at the end part of the mounting strip; the middle part of the adjusting screw A is in threaded fit with the mounting strip; the adjusting screw B penetrates through the end part of the mounting strip and is in threaded fit with the mounting frame; the anti-collision assembly comprises a collision plate, a mounting vertical plate, a microswitch, a first screw and a second screw. The mounting vertical plate is mounted through a screw A; the microswitch is mounted through a sc