Printing machine for shoe pad printing in shoe factory

The invention provides a shoe factory insole printing machine which comprises a rack, an insole placing plate is fixedly installed in the middle of the top end of the rack, a heating plate is fixedly installed in the middle of the bottom end of the interior of the insole placing plate, and a plurality of protection assemblies for preventing a large amount of high-temperature heat from being accumulated are movably installed in the middle of the upper end of the interior of the rack. The protection assembly comprises a pretreatment assembly for pretreating heat invaded by the heating plate and a cold treatment assembly for performing cold treatment on high-temperature heat, and the pretreatment assembly and the cold treatment assembly are movably installed in the middle of the upper end of the interior of the rack. According to the printing machine for shoe pad printing in the shoe factory, the protection function can be achieved in the machine frame below the heating plate, and when the heating plate on the p