Area and backpressure device are receive and release in covering machine's winding

The utility model relates to an area and backpressure device are receive and release in covering machine's winding, it includes that frame, winding area put the area in step and receive belting and compound backplate bonding bed die and backpressure device, the frame includes the frame body, set up at the last frame at frame body top, set up at the well frame at frame body middle part, set up at the underframe frame of frame body lower part and set up the frame that attaches between well frame and underframe put up, winding area is put the area in step and is received belting bottom fixed mounting on the underframe frame, and the winding area is put the area in step and is received belting top fixed mounting on well frame, and bonding bed die and backpressure device are installed on attaching the frame and are lain in the winding area and put the area in step and receive inside the belting, use the utility model discloses the bullet face is met to the pair recombination backplate and crack arrest layered mate