Coating device for catheter production

The utility model provides a coating device for catheter production. The coating device comprises a bottom plate, a coating box is arranged above the bottom plate, a plurality of mutually parallel containing grooves are formed in the coating box, a lifting clamping structure is arranged above the coating box, and the lifting clamping structure is arranged on two rails in a sliding mode; and the coating box is connected with a paint source system. The lifting clamping structure comprises a first clamping rod, a second clamping rod, telescopic air cylinders and a lifting air cylinder, the first clamping rod and the second clamping rod are arranged in parallel, the telescopic air cylinders are horizontally connected to the outer sides of the first clamping rod and the second clamping rod correspondingly, the lifting air cylinder is connected with the telescopic air cylinders, the lifting air cylinder is vertically arranged on a moving frame, and a power wheel is arranged at the bottom end of the moving frame; an