Positioning and clamping equipment for welding plastic-steel doors and windows

The utility model provides positioning and clamping equipment for welding plastic-steel doors and windows, and relates to the technical field of plastic-steel door and window processing, the positioning and clamping equipment for welding the plastic-steel doors and windows comprises a base, one side of the top of the base is fixedly connected with an L-shaped fixing plate, one side of the fixing plate is provided with a baffle plate which slides on the top of the base, and the baffle plate is fixedly connected with the base. An elastic reset part is arranged between the baffle and the fixed plate, an L-shaped movable plate is arranged on the side, away from the fixed plate, of the top of the base, a pushing mechanism used for pushing the movable plate to move is arranged on one side of the movable plate, and positioning parts are arranged on the tops of the fixed plate and the movable plate. A door and window is placed on the top of the base, the movable plate is pushed to move towards the fixed plate by adju