Dust removal device for PCB forming machine

The utility model relates to the technical field of PCB (Printed Circuit Board) forming machines, in particular to a dust removal device for a PCB forming machine, which comprises a dust collection head and a cushion block arranged at the bottom of the dust collection head, the cushion block and the dust collection head are locked through a bolt, and a drift diameter for a cutter to penetrate through is arranged in the dust collection head along the length direction of the dust collection head; the cushion block is provided with a through hole communicated with the drift diameter, the two sides of the cushion block are respectively provided with an alignment hole for inserting an optical fiber, and the alignment optical fiber is used for sensing the state of the telescopic drift diameter of the cutter; one side of the dust collection head is provided with an air inlet hole extending from the side edge to the bottom, the bottom of the dust collection head is provided with a groove communicated with the air inl