Internal Tension Hollow Cylinder Gripper with Rollers
A hollow cylinder and internal tension technology, applied in the direction of expanding the mandrel, etc., can solve the problems of easy detachment of the cylinder, loosening of the cylinder, reduction of the clamping force of the friction block and the cylinder, and achieve good clamping Excellent effect, easy loosening, stable and powerful clamping effect
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Embodiment 1
[0025] Such as figure 1 , 2 As shown, an internally tensioned hollow cylinder fixture with rollers includes: a main shaft 1, a fastener 2, and a looper 3. The looper is provided with an internal thread and is socketed on one side of the main shaft;
[0026] The main shaft 1 is provided with an external thread 101 that matches the internal thread of the looper, and a fixed plate 102 is vertically provided on the main shaft 1 relative to the end of the looper 3;
[0027] The fastener 2 includes a connecting rod, a rotating shaft 203 and a fastening roller 206. The connecting rod includes a first connecting rod 201 and a second connecting rod 202. One end of the first connecting rod 201 is connected to the rotating shaft and the other end is connected to the hinged shaft. The looper 3 is connected to the hinged shaft; one end of the second connecting rod 202 is connected to the hinged shaft of the rotating shaft, and the other end is connected to the fixed disk 102 hinged shaft....
Embodiment 2
[0037] When the main shaft 1 rotates in the clockwise direction, the looper approaches the fixed disk 102 along the thread, the fastening roller 206 lifts up, and the workpiece is clamped; when the main shaft 1 rotates in the counterclockwise direction, the looper moves away from the fixed plate 102 along the thread. The disc 102, the fastening roller 206 descends, and the workpiece is loosened.
[0038] During the workpiece cutting process, due to the weight of the cylinder body, machining vibration, workpiece movement, temperature rise, etc., the clamped part of the cylinder body is loose or deformed. At this time, the fastening roller 206 is provided by the sulfur-free hard rubber layer 204 Rotating with the workpiece under the friction force, the tension of the inner tension hollow cylinder fixture increases, and the friction force on the inner wall of the workpiece increases to prevent the workpiece from loosening.
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