Multi-station side plate box forming tool changed with shape

The invention relates to a multi-station side plate box forming tool changed with shape, and aims to provide the side plate box forming tool which can automatically finish the side plate box forming operation of an arm support and can adapt to the production of arm supports of various specifications. The technical scheme is that the multi-station side plate box forming tool changed with the shape is characterized in that the side plate box forming tool includes two tool subsections; each tool subsection includes a base fixing plate; a moveable baseplate is mounted on the base fixing plate; the moveable baseplate is provided with a plurality of moveable support seats; a turnover plate is mounted at the tops of the moveable support seats and connected with an overall positioning plate, a big end positioning device, at least two vertical positioning devices and a plurality of swing baseplate device used for adsorbing workpieces; in an overall guide mechanism, the extending direction of a first guide track is vertical to a road track; among the moveable supporting seats; at least two moveable supporting seats are provided with hydraulic equipment; and at least two moveable supporting seats are provided with an overall guide driving mechanism.