Spinning thread layer carding device for spinning

The spinning thread layer carding device comprises a base, the top of the base is fixedly connected with a top plate through a supporting plate, a connecting groove is formed in the bottom of the top plate, a connecting block is arranged in the connecting groove in an inserted mode, and a fixing mechanism used for fixing the connecting block is arranged in the connecting groove. A U-shaped plate is fixedly connected to the bottom of the connecting block, and a plurality of mounting blocks are fixedly connected to the inner side wall of the U-shaped plate. Through the arrangement of the collecting frame, the fixing plate, the dustproof net and the draught fan, a negative pressure state is formed in the collecting frame, scraped fluff can be conveniently sucked into the collecting frame, centralized collection is completed, centralized treatment is facilitated, meanwhile, through the arrangement of an inserting plate, a spring and an adjusting plate, a connecting block can be conveniently mounted and dismounted