Film clamping and cutting device of stretch wrapping machine

A film clamping and cutting device of stretch wrapping machines comprising:

• a turntable;
• a braking unit disposed beside the turntable,
• a film clamping and cutting unit arranged at the turntable and having an assembly wheel, a film clamping and cutting rod and a clamp disposed on the film clamping and cutting rod, and
• a drag set mounted on the turntable and having a rotatable block that is connected to the assembly wheel of the film clamping and cutting unit;
• one end of the rotatable block is connected to a connection rod and the connection rod is connected to the clamp of the film clamping and cutting rod while the other end of the rotatable block is connected to a shaft;
• a first elastic part is disposed between the rotatable block and the film clamping and cutting rod;
• the drag set further includes a fixing base, a drag plate that is pivotally connected to the fixing base and having a clip pivotally connected to one end thereof, a clip space formed between the drag plate and the clip, and a first elastic body having two ends, the ends respectively connected to the drag plate and the clip, and a second elastic part connected to the other end of the drag plate.