Inserting type clutch

The invention provides an inserting type clutch, which comprises a ball screw, a guide rail fixing seat, a plug pin, a clutch press block, a clutch back fluted disc, a clutch front fluted disc, rolling balls, a spring press block, a press plate, a friction device, a clutch back seat and a clutch front seat, wherein the ball screw, the clutch back fluted disc, the clutch press block, the clutch front fluted disc and the friction device are sequentially connected, a gap is formed between the clutch back fluted disc and the clutch press block, the rolling balls and the spring are arranged in the gap, the clutch back fluted disc is arranged in the clutch back seat, the clutch front fluted disc is arranged in the clutch front seat, the spring press block is inserted and arranged on the clutch back seat, the spring is arranged between the spring press block and the press plate, and the plug pin is arranged on the guide rail fixing seat. The inserting type clutch has the advantages that a part firstly moves on one m