3D printing robot device

The invention discloses a 3D printing robot device. The 3D printing robot device comprises a fixed machine body. A working space with an upward opening is arranged on the right side of the inner portion of the fixed machine body. A storage groove is formed in the upper side of the left end wall of the working space. A material pushing device is slidably arranged at the upper end of the storage groove. A height rod is slidably connected to the left side of the upper end surface of the fixed machine body through a translation device, and a lifting block is installed outside a rod body of the height rod in a sleeving mode. A telescopic rod is fixedly arranged on the right end surface of the lifting block, the right end of a connecting rod penetrates through the right end wall of a compressionspace and is fixedly connected with a working probe, the lower end face of the working probe is fixedly connected with a laser probe, and a pinhole spray nozzle is hermetically arranged at the upperend opening of a charging