| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the irregularity in the opening shape of a cutting end and to uniformly pour a gel separation medium by retaining and fixing a capillary that is supplied while the capillary orthogonally crosses a rotary blade rotary surface with an opposing rubber elastic body. SOLUTION: A capillary 1 is introduced into the gap between a rotary blade retention structure 4 that is raised along a linear derivative by an electric motor 61 and a rotary screw 62 and a fixed plane body 3 where the surface of a rubber-plate-shaped elastic member 31 is fixed. Then, when the rotary screw 62 lowers the rotary blade retention structure 4 by the rotation of the electric motor 61, a movable plane body 5 that is retained by a retention arm part 41 for pinching a rotary blade 2 is lowered, a rubber-plate-shaped elastic member 51 whose surface is fixed touches the capillary 1 for retaining and fixing the capillary 1. Further, when the rotary blade retention structure 4 is lowered, the rotation of an electric motor rotary shaft 43 is propagated to a rotary blade rotary shaft 21, thus rotating the rotary blade 2 and polishing and cutting the capillary 1. Since the vibration of the capillary 1 being generated at this time is absorbed by the rubber-plate-shaped elastic members 31 and 51, the disturbance of the cutting part due to vibration can be eliminated. |
