Dedusting and dehumidifying all-in-one machine for building dust-free workshop

The invention discloses a dust removal and dehumidification all-in-one machine for a building dust-free workshop, and relates to the technical field of dust removal and dehumidification, the dust removal and dehumidification all-in-one machine comprises a box body, a connecting shell is arranged in an inner cavity of the box body, and the inner wall of the box body is fixedly connected with the two ends of the connecting shell. A cleaning frame drives a connecting rod to move towards the direction opposite to a third filter screen plate through suction force generated by an air exhaust component, the suction force disappears when the device stops working, and the cleaning frame is driven to move towards the third filter screen plate through the stretching return effect of a cleaning spring; the cleaning frame drives the unblocking rod to extrude dust which is clamped at meshes of the filter screen plate III and causes blocking, so that the dust gathered at the meshes of the filter screen plate III is cleaned,