Plate roller clamping and loosening device of laser spray etching machine

The utility model particularly discloses a plate roller clamping and loosening device of a laser spray etching machine, which comprises a driving mechanism, a first tailstock and a second tailstock, the first tailstock and the second tailstock are transversely and oppositely arranged on the laser spray etching machine, and the first tailstock and the second tailstock are respectively positioned on the left side and the right side of the laser spray etching machine. The driving mechanism is fixed on the laser spraying corrosion machine, is connected with the first tailstock and the second tailstock respectively and is used for driving the first tailstock and the second tailstock to move relatively and transversely so as to clamp and loosen the external plate roller, and the right end part of the first tailstock is matched with the left end part of the external plate roller; and the end part of the left end of the second tailstock is matched with the end part of the right end of the external printing roller. By