Press and press from both sides special frock

The utility model discloses a press and press from both sides special frock belongs to the special frock among the frock clamp technical field, its aim at provide one kind compress tightly efficient, compress tightly effectual press and press from both sides special frock. Its technical scheme does: including U type groove, all be provided with closing device on the left side wall in U type groove, the right side wall, closing device includes two sets of hydraulic actuator and two sets of swinging arms, and two sets of hydraulic actuator are located the left and right sides or the front and back both sides in U type groove respectively, and swinging arms and the setting of hydraulic actuator homonymy, and hydraulic actuator's output shaft end -to -end connection has the connecting rod, and the both ends of connecting rod all articulate there is the connecting rod, the bottom of two swinging armss articulates respectively in the both ends of U type groove side, the other end that connects the pole at connectin