Maintainable engraving machine for cabinet door processing

The utility model provides a maintainable engraving machine for cabinet door processing, which comprises a supporting plate, a supporting column, a truss, a protective frame, an engraving chamber, a connecting rod, a clamping plate, an adjusting rod, a holding rod, a clamping plate, a protective block, an engraving machine body, an isolating and purifying protective exhaust pipe structure, a supporting and fixing protective cooling box structure and a sealing protective sundry cleaning and collecting box structure, the supporting columns are connected to the four corners of the bottom of the supporting plate through bolts correspondingly. The truss is connected to the lower portion of the joint of the supporting columns through bolts. The protective frame is in bolted connection with the upper part of the supporting plate; the carving chamber is connected to the middle position of the upper surface of the supporting plate through bolts. Through the arrangement of the exhaust pipe, the tight plate, the locking