Automatic bilateral necking processing equipment

The invention provides automatic bilateral necking processing equipment, which belongs to the technical field of necking machines, and comprises a rack, the upper part of the rack is sequentially provided with a first support frame and a second mould pressing wheel frame, the first support frame is horizontally and slidably provided with a third support frame, and the front end of the third support frame is vertically and rotatably provided with a double-wheel shaft; a first outer mold pressing wheel and a second outer mold pressing wheel are arranged on the double wheel shafts from top to bottom, a fourth supporting frame is horizontally and slidably arranged on the third supporting frame, a first mold pressing wheel frame is slidably arranged at the front end of the fourth supporting frame in the vertical direction, and a first inner mold pressing wheel matched with the first outer mold pressing wheel is rotatably arranged at the lower end of the first mold pressing wheel frame; the double-side necking stru