| 摘要 |
<p>PROBLEM TO BE SOLVED: To facilitate a clamp exchange work and to improve safety by slidably arranging a bar screw to an arm rotatably mounted to a carriage base along a long hole and arranging a bolt having a thread hole to be screwed to the bar screw in a clamp housing. SOLUTION: A work is clamped to be positioned to a working position by a clamp 13 mounted to a carriage 12 of a plate working machine. The clamp 13 is fixed to the housing 30 fastened to the carriage 12 through a bolt 41 having a lever 40 and a fastening part 42 by a guide shaft 38. A screw bar 27 having a handle 25 is loosely fitted into a long hole 26 of an arm 22 ratatably mounted with a shaft 24 to a block 20 of the side part of a carriage base 11. When mounting/demounting the clamp 13, by turning the arm 22 around the shaft 24 and screwing the tip of the screw bar 27 to the screw hole 35 of a bolt 41 top part, the screw bar 27, while sliding along the long hole 26 and holding the clamp 13 with arm 22, is moved between a mounting position and a working table.</p> |
