Raw material crushing device for chemical production

The invention belongs to the technical field of chemical production equipment, and discloses a chemical production raw material crushing device which is technically characterized by comprising a box body, a crushing mechanism is arranged in an inner cavity of the box body, the crushing mechanism comprises a crushing roller and a transmission assembly, and a screening plate is arranged in the inner cavity of the box body; a control mechanism matched with the crushing rollers is arranged in an inner cavity of the box body, the control mechanism comprises a positioning assembly, a swinging assembly and a hole dredging assembly, the hole dredging assembly comprises a control plate, a supporting part and a vibrating part, and a plurality of rows of hole dredging brushes which are uniformly distributed are arranged on the surface of the control plate; a plurality of groups of guiding and discharging channels distributed with the hole dredging brushes at intervals are formed in the surface of the control plate, a sm