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A rotary mechanical chuck
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A mechanical chuck, rotary technology, applied in the direction of the chuck, etc., can solve the problem of limited moving space of the jaws, and achieve the effect of easy replacement and increased diameter range
Active Publication Date: 2021-11-30
XUZHOU HUAPEI INTELLIGENT MFG TECH CO LTD
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Problems solved by technology
However, since the jaws on these chucks move on the chuck, within the radius of the chuck, the movement space of the jaws is very limited and cannot be well adapted to pipes or bars of various sizes. It is necessary to replace the chuck or use another machine tool
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Embodiment 1
[0025] refer to Figure 1~Figure 3 , is the first embodiment of the present invention, which provides a rotary mechanical chuck, which includes a driving unit 100 and a rotating clamping unit 200 . The drive unit 100 is used to drive the entire chuck, which is installed on the machine tool spindle;
[0026] Specifically, the drive unit 100 includes a bracket 101, a motor 102, and a turntable 103; one end of the turntable 103 is a disc, and the other end is provided with a first gear 103a, and a rotating shaft is connected between the disc and the first gear 103a, and the bracket 101 Sleeved on the rotating shaft; the rotating clamping unit 200 is installed on the disc, the motor 102 is installed on the bracket 101, the end of the motor shaft is provided with a second gear 102a, and the first gear 103a and the second gear 102a cooperate with each other to generate transmission. Wherein, the shape of the bracket 101 can be arbitrary, and its main function is to fix the turntab...
Embodiment 2
[0036] refer to Figure 4 , is the second embodiment of the present invention, this embodiment is based on the previous embodiment, and the difference from the previous embodiment is that an additional unit 300 is installed on the rotary clamping unit 200, and the additional unit 300 can be used to expand the chuck clamping range.
[0037] Specifically, the additional unit 300 includes an additional ring 301 , claws 302 , and a connecting rod 303 . The chuck shell 201 a is further provided with a third flange 201 a - 3 , and the additional ring 301 is installed on the third flange 201 a - 3 .
[0038] Further, a plurality of sliding grooves 301a are evenly distributed along the circumference of the additional ring 301, each sliding groove 301a extends radially and penetrates through, and each claw 302 is installed in the corresponding sliding groove 301a. The claws 302 can be common in general chucks, and the number of sliding grooves 301a and the number of claws 302 are cons...
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Abstract
The invention discloses a rotary mechanical chuck, which includes a drive unit installed on the main shaft of a machine tool; and a rotary clamping unit connected with the drive unit, including a fixing component and an operating component. The invention adopts rotating clamping jaws to fix and clamp the pipe or bar, and the jaws are all synchronously rotated, which can automatically center the clamped pipe or bar; compared with the traditional chuck, the present invention The applicable diameter range of the jaws is significantly increased, and the jaws are easy to replace. At the same time, additional units can be used to expand the diameter range that can be clamped; the invention adopts manual adjustment when clamping workpieces, avoiding hydraulic or pneumatic clamping The greater the force, the easier it is to damage the material.
Description
technical field [0001] The invention relates to the field of machine tool chucks, in particular to a rotary mechanical chuck. Background technique [0002] Chucks are mechanical devices used to clamp workpieces on machine tools. Chucks are usually installed on lathes, cylindrical grinders, and internal grinders. They can also be used with various indexing devices for milling machines and drilling machines. At present, more chucks on the market are three-jaw chucks and four-jaw chucks. Among them, the structure of the three-jaw chuck is generally driven by a flat rectangular thread to move the three jaws to move centripetally, which has a certain centering effect. However, since the jaws on these chucks move on the chuck, within the radius of the chuck, the movement space of the jaws is very limited and cannot be well adapted to pipes or bars of various sizes. It is also necessary to replace the chuck or use another machine tool. Therefore, there is a need for a new type of...
Claims
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Application Information
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