Spinning chuck

Abstract

The utility model relates to the field of clamps, and discloses a spinning chuck which comprises a base, the middle of the base is rotatably connected with a connecting column, the outer wall of the connecting column is fixedly connected with a sliding seat, the middle of the sliding seat is provided with a third sliding groove, the top of the connecting column is rotatably connected with a holder, the top of the holder is provided with a first sliding groove, and the first sliding groove is provided with a second sliding groove. A sliding column is arranged at the bottom of the holder through a moving assembly, the moving assembly is used for limiting sliding of the sliding column, the outer wall of the sliding column is arranged on the inner wall of the third sliding groove, a rotating assembly is arranged in the base and used for achieving rotation of the sliding seat, and a clamping mechanism is arranged at the top of the holder. According to the chuck, the sliding blocks drive the clamping jaws to slide when sliding, radial movement of the clamping blocks is achieved through sliding of the sliding blocks and the clamping jaws in the first sliding grooves, the purpose that the chuck can bear large torque when used is achieved, and the service life of the chuck is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of fixtures, and particularly relates to a spinning chuck. Background Art

[0002] The metal spinning process is a forming technology that makes the stress point of a profile part change from point to line and then to surface by spinning. A rolling tool applies a certain pressure to the profile part in a certain direction, causing the metal material to deform and flow along this direction. Currently, the most commonly used machine in industrial production of this process is a spinning machine. The spinning machine belongs to metal plastic forming machinery and can complete various operations such as drawing forming, rib pressing, necking, sealing, flanging, and curling. A chuck is used when the spinning equipment is in use.

[0003] In the prior art, the spinning chuck uses a wedge block to push the jaws for clamping and fixing, which cannot withstand large torques, resulting in a short service life of the chuck and a small clamping range of the chuck. Therefore, a spinning chuck is proposed to solve the above problems. Summary of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a spinning chuck, aiming to improve the problem that the chuck cannot withstand large torques and will result in a short service life.

[0005] To achieve the above object, the utility model provides the following technical solution: A spinning chuck includes a base. A connecting column is rotatably connected to the middle of the base. A sliding seat is fixedly connected to the outer wall of the connecting column. A third chute is opened in the middle of the sliding seat. A cage is rotatably connected to the top of the connecting column. A first chute is opened at the top of the cage. A sliding column is arranged at the bottom of the cage through a moving component, and the moving component is used to limit the sliding of the sliding column. The outer wall of the sliding column is arranged on the inner wall of the third chute. A rotating component is arranged inside the base, and the rotating component is used to realize the rotation of the sliding seat. A clamping mechanism is arranged at the top of the cage.

[0006] Preferably, the clamping mechanism includes jaws. The outer wall of the jaws is arranged inside the base. The outer wall of the jaws is slidably connected to the inner wall of the first chute. A clamping block is fixedly connected to one side of the jaws.

[0007] Preferably, the moving component includes a slider. The outer wall of the slider is arranged on the inner wall of the cage. A second chute is opened at the bottom of the cage. One end of the sliding column is fixedly connected to the bottom of the slider. The outer wall of the sliding column is arranged on the inner wall of the second chute.

[0008] Preferably, the rotating component includes a gear disk. The side of the gear disk away from the teeth is rotatably connected inside the base. A rotating gear is meshed with the teeth of the gear disk. The middle of the gear disk is fixedly connected to the outer wall of the connecting column.

[0009] Preferably, through holes are formed in the side wall of the base, a rotating column is arranged on the side wall of the base, and the outer wall of the rotating column is arranged on the inner wall of the through hole.

[0010] Preferably, one end of the outer wall of the rotating column is fixedly connected to the middle of a rotating gear.

[0011] Preferably, both the number of the claw and the clamping block is five.

[0012] Preferably, the bottom of the claw is fixedly connected to the top of the slider.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the rotation of the rotating gear is realized by the rotation of the rotating column, the rotation of the tooth disc is realized by the rotation of the rotating gear, the rotation of the connecting column is realized by the rotation of the tooth disc, the rotation of the third chute is realized by the rotation of the connecting column driving the sliding seat to rotate, the sliding of the sliding column in the second chute is realized by the rotation of the third chute, the sliding of the slider is driven by the sliding of the sliding column during the sliding of the sliding column, the sliding of the claw is driven by the sliding of the slider during the sliding of the slider, and the radial movement of the clamping block is realized by the sliding of the slider and the claw in the first chute, so that the torque that the chuck can bear during use is large, and the service life of the chuck is improved.

[0015] 2. In the utility model, both the number of the claw and the clamping block is five. Through the radial movement of the clamping block, and with the cooperation of the claw and the clamping block in the third chute, the centering function can be realized while the claw and the clamping block are moving radially, and the clamping force of the chuck is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a perspective view of a spinning chuck proposed by the utility model;

[0017] Figure 2 is a schematic diagram of a sliding column of a spinning chuck proposed by the utility model;

[0018] Figure 3 is a schematic diagram of a tooth disc of a spinning chuck proposed by the utility model.

[0019] Legend:

[0020] 1. Base; 2. Slider; 3. First chute; 4. Claw; 5. Clamping block; 6. Rotating column; 7. Cage; 8. Second chute; 9. Sliding column; 10. Sliding seat; 11. Third chute; 12. Through hole; 13. Rotating gear; 14. Tooth disc; 15. Connecting column. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the specification drawings of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present utility model.

[0022] Referring to Figures 1 - 3 , an embodiment provided by the present utility model: a spinning chuck, including a base 1, a connecting column 15 is rotatably connected to the middle of the base 1, a sliding seat 10 is fixedly connected to the outer wall of the connecting column 15, a third sliding groove 11 is opened in the middle of the sliding seat 10, a cage 7 is rotatably connected to the top of the connecting column 15, a first sliding groove 3 is opened at the top of the cage 7, a sliding column 9 is arranged at the bottom of the cage 7 through a moving component, the moving component is used to limit the sliding of the sliding column 9, the outer wall of the sliding column 9 is arranged on the inner wall of the third sliding groove 11, a rotating component is arranged inside the base 1, the rotating component is used to realize the rotation of the sliding seat 10, and a clamping mechanism is arranged at the top of the cage 7.

[0023] Specifically, the sliding seat 10 is fixed to the connecting column 15, the rotation of the connecting column 15 is realized through the rotating component, when the connecting column 15 rotates, it drives the sliding seat 10 to rotate, when the sliding seat 10 rotates, it drives the third sliding groove 11 to rotate, when the third sliding groove 11 rotates, the sliding column 9 makes the clamping mechanism generate a radial movement through the cooperation of the moving component, thereby realizing the clamping effect. Through the design of the sliding seat 10, the third sliding groove 11 and the moving component, the chuck can bear a large torque during use, and the service life of the chuck is improved.

[0024] Referring to Figure 1 and Figure 2 , the clamping mechanism includes a chuck 4, the outer wall of the chuck 4 is arranged inside the base 1, the outer wall of the chuck 4 is slidably connected to the inner wall of the first sliding groove 3, a clamping block 5 is fixedly connected to one side of the chuck 4, the moving component includes a slider 2, the outer wall of the slider 2 is arranged on the inner wall of the cage 7, a second sliding groove 8 is opened at the bottom of the cage 7, one end of the sliding column 9 is fixedly connected to the bottom of the slider 2, the outer wall of the sliding column 9 is arranged on the inner wall of the second sliding groove 8, the number of the chucks 4 and the clamping blocks 5 is five each, and the bottom of the chuck 4 is fixedly connected to the top of the slider 2.

[0025] Specifically, when the third sliding groove 11 rotates, the sliding column 9 slides in the second sliding groove 8, when the sliding column 9 slides, it drives the slider 2 to slide, when the slider 2 slides, it drives the chuck 4 to slide, thereby realizing the radial movement of the clamping block 5. Through the cooperation of the chuck 4 and the clamping block 5 in the third sliding groove 11, the chuck 4 and the clamping block 5 can realize the centering function while making a radial movement, and the clamping force of the chuck is improved.

[0026] Reference Figure 1 、 Figure 2 and Figure 3 As shown in FIGS. Figure 1 , Figure 2 and Figure 3 , the rotating assembly includes a toothed disk 14. The side of the toothed disk 14 away from the teeth is rotatably connected to the inside of the base 1. A rotating gear 13 is meshed with the teeth of the toothed disk 14. The middle of the toothed disk 14 is fixedly connected to the outer wall of the connecting column 15. A through hole 12 is formed in the side wall of the base 1. A rotating column 6 is provided on the side wall of the base 1. The outer wall of the rotating column 6 is arranged on the inner wall of the through hole 12. One end of the outer wall of the rotating column 6 is fixedly connected to the middle of the rotating gear 13.

[0027] Specifically, the rotating column 6 is rotated by an external drive. When the rotating column 6 rotates, it drives the rotating gear 13 to rotate. Through the meshing of the rotating gear 13 and the toothed disk 14, when the rotating gear 13 rotates, it drives the toothed disk 14 to rotate inside the base 1. Through the rotation of the toothed disk 14, the rotation of the connecting column 15 is realized.

[0028] Working principle: When using this device, first connect the external drive to the rotating column 6. The rotating column 6 is rotated by the external drive. When the rotating column 6 rotates, it drives the rotating gear 13 to rotate. Through the meshing of the rotating gear 13 and the toothed disk 14, when the rotating gear 13 rotates, it drives the toothed disk 14 to rotate inside the base 1. Through the rotation of the toothed disk 14, the rotation of the connecting column 15 is realized. When the connecting column 15 rotates, it drives the sliding seat 10 to rotate. When the sliding seat 10 rotates, it drives the third sliding groove 11 to rotate. When the third sliding groove 11 rotates, the sliding column 9 slides in the second sliding groove 8. When the sliding column 9 slides, it drives the slider 2 to slide. When the slider 2 slides, it drives the claw 4 to slide. Through the sliding of the slider 2 and the claw 4 in the first sliding groove 3, the radial movement of the clamping block 5 is realized. There are five claws 4 and clamping blocks 5 each. Through the cooperation of the claws 4 and the clamping blocks 5 in the third sliding groove 11, the claws 4 and the clamping blocks 5 can achieve the centering effect while moving radially, improving the clamping force of the chuck, and being able to withstand a large torque during use, thus increasing the service life of the chuck.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A spinning chuck, comprising a base (1), characterized in that: A connecting column (15) is rotatably connected to the middle of the base (1). A sliding seat (10) is fixedly connected to the outer wall of the connecting column (15). A third sliding groove (11) is formed in the middle of the sliding seat (10). A cage (7) is rotatably connected to the top of the connecting column (15). A first sliding groove (3) is formed in the top of the cage (7). A sliding column (9) is arranged at the bottom of the cage (7) through a moving component, and the moving component is used to limit the sliding of the sliding column (9). The outer wall of the sliding column (9) is arranged on the inner wall of the third sliding groove (11). A rotating component is arranged inside the base (1), and the rotating component is used to realize the rotation of the sliding seat (10). A clamping mechanism is arranged at the top of the cage (7).

2. The spinning chuck according to claim 1, characterized in that: The clamping mechanism includes a claw (4). The outer wall of the claw (4) is arranged inside the base (1). The outer wall of the claw (4) is slidably connected to the inner wall of the first sliding groove (3). A clamping block (5) is fixedly connected to one side of the claw (4).

3. The spinning chuck according to claim 2, characterized in that: The moving component includes a slider (2). The outer wall of the slider (2) is arranged on the inner wall of the cage (7). A second sliding groove (8) is formed in the bottom of the cage (7). One end of the sliding column (9) is fixedly connected to the bottom of the slider (2). The outer wall of the sliding column (9) is arranged on the inner wall of the second sliding groove (8).

4. A spinning chuck according to claim 1, characterized in that: The rotating component includes a toothed disc (14). The side of the toothed disc (14) away from the teeth is rotatably connected inside the base (1). A rotating gear (13) is meshed with the teeth of the toothed disc (14). The middle of the toothed disc (14) is fixedly connected to the outer wall of the connecting column (15).

5. The spin chuck according to claim 4, characterized in that: A through hole (12) is formed in the side wall of the base (1). A rotating column (6) is arranged on the side wall of the base (1). The outer wall of the rotating column (6) is arranged on the inner wall of the through hole (12).

6. The spin chuck according to claim 5, wherein: One end of the outer wall of the rotating column (6) is fixedly connected to the middle of the rotating gear (13).

7. The spinning chuck according to claim 2, characterized in that: The number of both the claws (4) and the clamping blocks (5) is five.

8. The spinning chuck according to claim 3, wherein: The bottom of the claw (4) is fixedly connected to the top of the slider (2).

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