In Figure 3-8, in order to improve the stability of the blade movement and the concentricity of the inner cylinder, the blade 4 is designed to be concentric with the inner cylinder 5, and the outer cylinder guides and restricts the movement direction of the blade. The cylinder push rod 1 is connected to the T-shaped connection 2, and the blade 4 is opened and closed by pushing the connecting rod 3. The linear motion of the cylinder push rod is converted into the relative rotation of the two arc blades, the movement stroke of the cylinder push rod is converted into the rotation angle of the two blades, and the reciprocating motion completes the picking of fresh leaves.
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