Hydraulic gear pump lateral plate internal bore boring and clamping device

The utility model relates to a clamp for a metal machining machine tool, aiming at solving the technical problems that the provided clamping device can effectively improve the boring precision and has the characteristic of high machining efficiency. The utility model provides a technical scheme that: a hydraulic gear pump lateral plate internal bore boring and clamping device comprises a horizontally-arranged workbench, and a positioning device is arranged on the workbench. The hydraulic gear pump lateral plate internal bore boring and clamping device is characterized in that: a lever locking device is also arranged on the workbench and comprises a vertically-arranged bracket, and a lever is hinged at the top end of the bracket; the lever locking device also comprises a vertically-arranged press plate which is connected with one end of the lever through a connecting plate, and a guide plate which is vertically arranged on the bracket and used for guiding the press plate is respectively arranged at the left end and the right end of the press plate; and the other end of the lever is articulated with a driving mechanism.