Pile cap template structure

The utility model discloses a pile cap formwork structure, and particularly relates to the technical field of building formworks. The pile cap formwork structure comprises a surrounding plate, a baffle is arranged at one end of the surrounding plate, a first clamping block is fixedly connected to one end of the baffle, a special-shaped sliding block sleeves the outer wall of the first clamping block, a first hydraulic rod is arranged at the end, away from the baffle, of the special-shaped sliding block, a piston rod is inserted into an inner cavity of the first hydraulic rod, an extension supporting rod is clamped to the outer wall of the piston rod, and a bag is arranged in an inner cavity of the surrounding plate. According to the pile cap forming device, the surrounding plate is arranged, so that when the first hydraulic rod is driven to slide and retract on the outer wall of the piston rod during disassembly, the first hydraulic rod pulls the special-shaped sliding block, the first clamping block and the