Patent ID: 6953311

Claim:
A tool holding and working piece-clamping assembly for a machine with a tool, the tool holding and working piece-clamping assembly comprising: a stand with a top adapted to be securely connected to the machine; a driving device mounted on the top of the stand; a threaded rod rotatably mounted on the stand and driven by the driving device; a rail assembly mounted on the stand and parallel to the threaded rod; a brake post mounted on the stand and parallel to the threaded rod; a working piece-clamping device with an upper clamping device slidably connected to the rail assembly and a lower clamping device corresponding to the upper clamping device and adapted to be secured on the machine, and the working piece-clamping device further comprising: a connecting plate connected to the rail assembly; an upper base attached to the connecting plate for the upper clamping device being attached to the upper base; a contact switch with an actuating arm mounted on the connecting plate; and a brake electrically connected to the contact switch and slidably mounted on the brake post; and a tool holding device slidably connected to the rail assembly and comprising: a connecting base slidably connected to the rail and screwed with the threaded rod; at least one pushing block mounted on the connecting base and corresponding to the connecting plate; an actuating block attached to the connecting base and aligning with the actuating arm of the contact switch; and a moving base attached to the connecting base, located between the upper clamping device and the lower clamping device and adapted for the tool being mounted on the moving base.