Support fixture with retractable strut for laser cutting machine

The utility model discloses a supporting clamp with a retractable supporting column for a laser cutting machine. Workbench, a groove is formed in the upper surface of the workbench; an external lasercutting machine is assembled in the groove in a front-back sliding manner; a left supporting plate is assembled on the surface of the inner side of the workbench. A second groove is formed in the upper surface of the workbench; a pressing device with the adjustable height is assembled in the second groove in a left-right sliding mode. A raw material plate is placed between the left supporting plate and the pressing device; raw material plate in use, the upper surfaces of the left supporting plate and the supporting block are prevented from being damaged; the electric telescopic rod power supply controller is controlled to enable the electric telescopic rod to stretch to drive the pressing plate to move up and down; the second electric telescopic rod power controller is controlled to enablethe second electric teles