Press from both sides and get device

The utility model provides a press from both sides and get device, it includes the driving piece, two relative of setting up install a piece and an at least centre gripping unit, this driving piece can drive these two and install and to be close to each other or to keep away from each other, this at least centre gripping unit includes the holder that two cooperations were used, these two holders set up separately on these two are installed the piece, each holder includes the guide bar, press from both sides tight piece and elastic component, the corresponding piece of installing is worn to establish in the one end activity of this guide bar, the tight piece of this clamp is fixed and is kept away from this one end of installing the piece at this guide bar, this elastic component cover is established on this guide bar and is located and should install between piece and the tight piece of this clamp. When clamping -force was too big, the tight piece of above -mentioned press from both sides and get device's clamp and guide bar can be faced the direction of keeping away from the work piece and move with elasticity of compression spare to prevent that the work piece warp because clamping -force is too big.