Needle canceling release mechanical system is selected to pull rod formula

The utility model relates to a needle canceling release mechanical system is selected to pull rod formula, step motor is installed on the upper portion of frame, and the last crank pull rod that is connected with of step motor is equipped with the baffle that has special -shaped groove in the frame, and the crank pull rod is installed in special -shaped groove and can be followed special -shaped groove and slide, special -shaped groove include the spout, down spout and connecting go up spout and spread groove between the spout down, the fixed pressing plate in the installation frame still, the baffle lies in between fixed pressing plate and the frame, fixed pressing plate is last to have fretwork groove, fretwork groove and special -shaped groove cooperation. The utility model discloses a mating reaction of well special -shaped groove and crank pull rod, positive and negative in reciprocating action through step motor drives the clamp plate guide arm and lifts the whereabouts, substitutes in the past electro