The utility model relates to puncher technical field especially is convenient and limit puncher, including outer frame, the upper portion of outer frame is equipped with punch
assembly, the lower portion of punch
assembly is equipped with limit component, the outer frame includes work table, the upper end portion fixed mounting of work table has lower clamp, punch
assembly includes the lower pressing plate, the upper clamp is equipped with in the lower end portion of lower pressing plate, the lower end portion fixed mounting of lower pressing plate has a plurality of punch needle head, this device can pass through starting hydraulic
oil pump, drive upper clamp to suppress in the lower clamp top, after starting
servo motor, drive transmission rod rotation, further drive two sliding support meshing with gear to move to the middle part, pass through
catheter, can reach the effect that the
catheter between lower clamp and upper clamp is fixed when the device is in use, facilitates subsequent punch work, has improved the punch
yield rate of device, has improved the practicability of device.