Tool clamp structure for case riveting

The utility model discloses a tool clamp structure for riveting a case, which comprises a fixed base and a fixed vertical plate arranged on the fixed base, the fixed vertical plate is provided with a back plate positioning and clamping component, and the upper end part of the fixed base is provided with a plurality of rib plate positioning and clamping components which are sequentially arranged at intervals from left to right on the front end side of the fixed vertical plate; the rib plate positioning and clamping assembly comprises a left side fixing and clamping plate and a right side mounting support which are screwed and fastened to the upper surface of the fixing base, the left side fixing and clamping plate is located on the left end side of the right side mounting support, and the left side fixing and clamping plate and the right side mounting support are oppositely arranged at an interval; a middle movable clamping plate is arranged between the left side fixed clamping plate and the right side install