Three-jaw chuck
A three-jaw chuck and chuck technology, which is applied in the field of mechanical processing, can solve problems such as poor stability and small clamping force of jaws, and achieve the effect of increasing clamping force and clamping stability
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[0022] use Figure 1-Figure 5 A three-jaw chuck according to an embodiment of the present invention will be described as follows.
[0023] Such as Figure 1-Figure 5 As shown, a three-jaw chuck according to the present invention includes a chuck body 1 and a claw 2; the claws 2 have three and are evenly distributed on the chuck body 1 in the circumferential direction; the structure of the three claws 2 The same, and the three jaws 2 are formed by overlapping and splicing three transverse compression blocks 3; the length of the three compression blocks 3 increases from top to bottom; the bottom end of the jaws 2 The tight block 3 is provided with a guide chute 31 inside, and the bottom end of the guide chute 31 is provided with an engagement groove 32; the guide chute 31 is slidably provided with a sliding block 4, and the bottom end of the sliding block 4 is connected with a pressure Tightening plate 5; the pressing plate 5 and the engaging groove 32 are in a snap fit with each o...
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