Semi-closed dust suppression steel plate drilling device for furniture processing

The invention discloses a semi-closed dust suppression furniture processing steel plate drilling device which comprises a device table, a drilling table, fixing frames and a pressing and fixing plate, the drilling table is arranged at the top of the device table, the fixing frames are symmetrically connected to the two sides of the drilling table, third screws are connected to the interiors of the fixing frames, and manual control knobs are connected to the tops of the third screws. The third screw is sleeved with a pressing and fixing plate, the inner side of the fixing frame is connected with a second limiting sliding groove, and one end of the pressing and fixing plate is connected with a first limiting sliding block. Through cooperative use of a third screw rod, a manual control knob, a pressing and fixing plate, a first limiting sliding block and a second limiting sliding groove, lifting movement of the pressing and fixing plate is adjusted, the device is suitable for pressing and fixing steel plates of