Pre-pressing balance lithium battery formation clamp

The utility model discloses a prepressing balance lithium battery formation clamp. The clamp comprises a clamp frame, a pre-pressing mechanism, a push plate, a laminated plate, a rotary power machineand a screw rod, the laminated board is arranged in the clamp frame; a pre-pressing mechanism is arranged at the side part of the laminated board; the number of the laminated boards is at least two. Arotary power machine is fixedly arranged at the side part of the clamp frame; at least one lead screw is arranged in the clamp frame. The rotary power machine is in transmission connection with the screw rod; wherein the screw rod penetrates through a screw sleeve fixedly arranged on the push plate, the screw rod is driven to rotate by rotating a power machine, the screw sleeve is driven to movelinearly by the screw rod, the push plate is driven to move linearly by the screw sleeve, the laminated plate and the push plate are respectively provided with a reset rope chain seat, and a reset rope chain is connected betwee