A dual-drive five-axis rotary table

By using a dual-drive five-axis rotary table design, with simultaneous drive of tilting axes A and B, combined with clamping and brake flange control, the problems of high tilting axis load rate and large space occupation in existing technologies are solved, achieving high-precision machining and efficiency improvement.

CN224939517UActive Publication Date: 2026-11-06SHENZHEN BLUE TECH CO LTD
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Patent Information

Application Number
CN202522087451.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-28
Publication Date
2026-11-06
Estimated Expiration
2035-09-28

AI Technical Summary

Technical Problem

When machining heavy and large workpieces, the existing DD five-axis rotary table has a high load rate on the tilt axis, which reduces the rotational accuracy. The braking structure occupies a large axial space, affecting the machining quality and efficiency.

Method used

It adopts a dual-drive structure, with tilting shaft A and tilting shaft B providing power simultaneously. Combined with the design of clamps and brake flanges, it reduces the load rate of tilting shafts, improves rotational accuracy, and achieves braking or releasing the brake by controlling the clamps, thereby reducing the axial space occupation.

Benefits of technology

It improves the rotational accuracy of the tilting axis, ensures machining quality, reduces the size of the turntable, and enhances machining efficiency and precision.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a dual-drive five-axis rotary table, belonging to the field of five-axis rotary tables. It includes tilt axis A and tilt axis B, with a table rotatably mounted between them. Tilting axes A and B have identical structures and are arranged in a left-right opposing support configuration. A motor rotor is rotatably mounted inside tilt axis A and tilt axis B. A clamp is mounted behind the motor rotor, and a brake flange is mounted inside the clamp. A rotating shaft is mounted inside the brake flange. This utility model, with tilt axis A and tilt axis B, can provide power from both ends simultaneously, reducing the load rate of the tilt axis, improving the rotational accuracy of the tilt axis, and ensuring processing quality. The clamp mounted behind the motor rotor, the brake flange mounted inside the clamp, and the rotating shaft mounted inside the brake flange allow the brake flange to operate by controlling the clamp's tightening or loosening, thus achieving braking or releasing the brake, reducing axial space occupation, and lowering the rotary table size.
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Description

Technical Field

[0001] This utility model relates to the field of five-axis rotary tables, and in particular to a dual-drive five-axis rotary table. Background Technology

[0002] Five-axis rotary tables typically feature high-precision rotation and multi-axis linkage capabilities, with a rotational accuracy of ±0.01°, making them suitable for complex sculpture processing. They not only improve processing efficiency but also ensure processing precision.

[0003] Existing DD five-axis rotary tables typically consist of a tilt axis, a rotary axis, and a tailstock. The braking structure is mostly a disc brake structure. This orthogonal structure has the following disadvantages: when machining heavier and larger workpieces, because the tailstock has no output power, the tilt axis has a high load rate, which reduces the rotational accuracy of the tilt axis and affects the machining quality; under the same braking torque, the disc brake structure occupies a large axial space, which increases the size of the rotary table. Utility Model Content

[0004] Purpose of the invention: The purpose of this utility model is to provide a dual-drive five-axis rotary table.

[0005] Technical solution: Includes tilting shaft A and tilting shaft B, with a worktable rotatably mounted between tilting shaft A and tilting shaft B. Tilting shaft A and tilting shaft B have the same structure and are arranged in a left-right supporting configuration. A motor rotor is rotatably mounted inside tilting shaft A and tilting shaft B. A clamp is mounted behind the motor rotor. A brake flange is mounted inside the clamp. A rotating shaft is mounted inside the brake flange. The motor rotor is magnetic. A wear-resistant layer is provided inside the brake flange.

[0006] By adopting the above technical solution, with tilting shaft A and tilting shaft B, power can be provided from both ends simultaneously, reducing the load rate of the tilting shaft, improving the rotational accuracy of the tilting shaft, and ensuring the processing quality. A clamp is installed on the rear side of the motor rotor, a brake flange is installed on the inner side of the clamp, and a rotating shaft is installed on the inner side of the brake flange. By controlling the clamping or loosening of the clamp, the brake flange can be operated to achieve braking or releasing the brake, reducing the axial space occupied and reducing the size of the turntable.

[0007] Optionally, a rotating shaft is rotatably mounted between tilt axis A and tilt axis B, and a worktable is rotatably mounted on the top of the rotating shaft. A power component is installed inside the rotating shaft to enable the rotation of the worktable.

[0008] By adopting the above technical solution, the rotary axis rotates between tilt axis A and tilt axis B, which is used for the rotation of the worktable.

[0009] Optionally, both tilting shaft A and tilting shaft B include a housing, with a front cover installed on the front side of the housing and a rear cover installed on the rear side of the housing. The housing is manufactured by a casting process, and the front cover and the rear cover are fixedly installed at both ends of the housing by bolt connection.

[0010] By adopting the above technical solution, the front cover and the rear cover are installed at both ends of the housing to cover the inner components, thereby protecting the inner components and facilitating the replacement of the internal components through easy disassembly.

[0011] Optionally, one end of the motor rotor is fixed to the outside of the rotor adapter ring, the rotor adapter ring is installed on the outside of the rotating shaft, and the other end of the motor rotor is equipped with a front bearing, which is fixedly installed inside the housing. The front bearing is installed inside the housing by interference fit.

[0012] By adopting the above technical solution, the front bearing is used to fix the internal motor rotor, providing support and rotational support for the rotation of the internal rotor.

[0013] Optionally, the clamp is fixedly installed on the outside of the bearing housing, the bearing housing is installed on the inside of the housing, the rear bearing is installed on the inside of the bearing housing, the rotating shaft is installed on the inside of the rear bearing, and the clamp is connected to a control component.

[0014] By adopting the above technical solution, the clamp is controlled for braking control of the rotating shaft.

[0015] Optionally, a base one is installed at the bottom of the tilting shaft A, and a base two is installed at the bottom of the tilting shaft B. The base one is provided with fixing holes for installing bolts, and the base two is provided with fixing holes for installing bolts.

[0016] By adopting the above technical solution, base one is equipped with bolts for fixing the tilting shaft A, and base two is equipped with bolts for fixing the tilting shaft B.

[0017] Optionally, a motor stator is fixedly installed inside the housing. The motor stator is made of multi-layer coils wound with enameled wire.

[0018] By adopting the above technical solution, the motor stator is energized to form a magnetic field, which is used to rotate the rotor in the center.

[0019] Optionally, an encoder is installed at one end of the rotating shaft, and the encoder is fixed by bolt connection.

[0020] By adopting the above technical solution, the encoder is used to monitor the rotation angle and control the rotation angle.

[0021] Beneficial effects: This utility model is equipped with tilting shaft A and tilting shaft B, which can provide power from both ends simultaneously, reduce the load rate of the tilting shaft, improve the rotation accuracy of the tilting shaft, and ensure the processing quality; This utility model has a clamp installed on the rear side of the motor rotor, a brake flange installed on the inner side of the clamp, and a rotating shaft installed on the inner side of the brake flange. By controlling the clamping or loosening of the clamp, the brake flange is activated, thereby achieving braking or releasing the brake, reducing the axial space occupied and reducing the size of the turntable. Attached Figure Description

[0022] Figure 1 This is an overall structural diagram of an embodiment of the present utility model; Figure 2 This is a top view of an embodiment of the present utility model; Figure 3 This is a simplified structural diagram of an embodiment of the present utility model; Figure 4 This is an internal structural diagram of an embodiment of the present utility model; Figure 5 This is a structural diagram of the inclined shaft A according to an embodiment of the present invention; Figure 6 This is a structural diagram of the inclined shaft B according to an embodiment of the present invention; Explanation of reference numerals in the attached drawings: 1. Front bearing; 2. Front cover; 3. Housing; 4. Rotor adapter ring; 5. Motor stator; 6. Motor rotor; 7. Rear cover; 8. Clamp; 9. Brake flange; 10. Rear bearing; 11. Bearing housing; 12. Encoder; 13. Rotating shaft; 20. Tilting shaft A; 21. Rotating shaft; 22. Tilting shaft B; 23. Worktable; 24. Base one; 25. Base two. Detailed Implementation

[0023] To make the technical solution of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, such as... Figures 1 to 6 The device includes tilting shafts A20 and B22, with a worktable 23 rotatably mounted between them. Tilting shafts A20 and B22 have identical structures and are arranged in a left-right opposing configuration. A motor rotor 6 is rotatably mounted inside tilting shafts A20 and B22. A clamp 8 is mounted behind the motor rotor 6, a brake flange 9 is mounted inside the clamp 8, and a rotating shaft 13 is mounted inside the brake flange 9. This device, with tilting shafts A20 and B22, can provide power simultaneously from both ends, reducing the load rate of the tilting shafts, improving the rotational accuracy of the tilting shafts, and ensuring processing quality. The clamp 8 is mounted behind the motor rotor 6, and the brake flange 9 is mounted inside the clamp 8. The rotating shaft 13 is mounted inside the brake flange 9. By controlling the clamping or loosening of the clamp 8, the brake flange 9 is activated, achieving braking or releasing the brake, reducing axial space occupation, and lowering the turntable size.

[0024] A rotating shaft 21 is rotatably mounted between tilting shaft A20 and tilting shaft B22. A worktable 23 is rotatably mounted on the top of the rotating shaft 21. The rotating shaft 21 rotates between tilting shaft A20 and tilting shaft B22 and is used for the rotation of the worktable 23.

[0025] Both tilting shaft A20 and tilting shaft B22 include a housing 3. A front cover 2 is installed on the front side of the housing 3, and a rear cover 7 is installed on the rear side of the housing 3. The front cover 2 and the rear cover 7 are installed at both ends of the housing 3 to cover the inner components, thereby protecting the inner components and facilitating the replacement of the internal components through easy disassembly.

[0026] One end of the motor rotor 6 is fixed to the outside of the rotor adapter ring 4, which is installed on the outside of the rotating shaft 13. The other end of the motor rotor 6 is equipped with a front bearing 1, which is fixedly installed inside the housing 3. The front bearing 1 is used to fix the internal motor rotor 6 and provides support and rotational support for the rotation of the internal rotor.

[0027] Clamp 8 is fixedly installed on the outside of bearing housing 11, bearing housing 11 is installed on the inside of housing 3, rear bearing 10 is installed on the inside of bearing housing 11, and rotating shaft 13 is installed on the inside of rear bearing 10. Clamp 8 is controlled for braking control of rotating shaft 13.

[0028] The bottom of the tilting shaft A20 is equipped with a base 1 24, and the bottom of the tilting shaft B22 is equipped with a base 25. The base 1 24 is equipped with bolts for fixing the tilting shaft A, and the base 2 25 is equipped with bolts for fixing the tilting shaft B.

[0029] A motor stator 5 is fixedly installed inside the housing 3. The motor stator 5 is energized to form a magnetic field for the rotation of the rotor in the center.

[0030] An encoder 12 is installed at one end of the rotating shaft 13. The encoder 12 is used to monitor the rotation angle and control the rotation angle.

[0031] The implementation principle of a dual-drive five-axis rotary table in this application embodiment is as follows: When the dual-drive five-axis rotary table is in use, the motor stator 5 is energized to form a magnetic field. The magnetic field of the motor rotor 6 interacts with the magnetic field to realize the rotation of the motor rotor 6, so that the rotary shaft 21 rotates between the tilting shaft A20 and the tilting shaft B22, and the table 23 rotates. By controlling the clamping or loosening of the clamp 8, the brake flange 9 is activated to achieve braking or releasing the brake, thereby locking or releasing the rotary shaft 13.

[0032] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.

Claims

1. A dual-drive five-axis rotary table, characterized by: It includes an inclined shaft A (20) and an inclined shaft B (22). A worktable (23) is rotatably mounted between the inclined shaft A (20) and the inclined shaft B (22). The inclined shaft A (20) and the inclined shaft B (22) have the same structure and are arranged in a left-right supporting arrangement. A motor rotor (6) is rotatably mounted inside the inclined shaft A (20) and the inclined shaft B (22). A clamp (8) is mounted on the rear side of the motor rotor (6). A brake flange (9) is mounted inside the clamp (8). A rotating shaft (13) is mounted inside the brake flange (9).

2. The dual-drive five-axis rotary table according to claim 1, characterized in that: A rotating shaft (21) is rotatably mounted between the tilting shaft A (20) and the tilting shaft B (22), and a worktable (23) is rotatably mounted on the top of the rotating shaft (21).

3. The dual-drive five-axis rotary table according to claim 1, characterized in that: Both the tilting shaft A (20) and the tilting shaft B (22) include a housing (3), a front cover (2) is installed on the front side of the housing (3), and a rear cover (7) is installed on the rear side of the housing (3).

4. A dual-drive five-axis rotary table according to claim 1, characterized in that: One end of the motor rotor (6) is fixed to the outside of the rotor adapter ring (4), the rotor adapter ring (4) is installed on the outside of the rotating shaft (13), and the other end of the motor rotor (6) is equipped with a front bearing (1), the front bearing (1) is fixedly installed on the inside of the housing (3).

5. A dual-drive five-axis rotary table according to claim 3, characterized in that: The clamp (8) is fixedly installed on the outside of the bearing seat (11), the bearing seat (11) is installed on the inside of the housing (3), the rear bearing (10) is installed on the inside of the bearing seat (11), and the rotating shaft (13) is installed on the inside of the rear bearing (10).

6. A dual-drive five-axis rotary table according to claim 3, characterized in that: The bottom of the inclined shaft A (20) is equipped with a base one (24), and the bottom of the inclined shaft B (22) is equipped with a base two (25).

7. A dual-drive five-axis rotary table according to claim 3, characterized in that: The motor stator (5) is fixedly installed on the inner side of the housing (3).

8. A dual-drive five-axis rotary table according to claim 1, characterized in that: An encoder (12) is installed at one end of the rotating shaft (13).