Pneumatic dividing head structure suitable for five-axis machining equipment

Abstract

The utility model discloses a pneumatic dividing head structure suitable for five-axis machining equipment. The pneumatic dividing head structure comprises a rotary platform, a first driving assembly, a second driving assembly, an air source transmission assembly, a rotary table body and a movable table. The air source transmission assembly comprises a pneumatic sliding ring, a sliding ring fixing part and a sliding ring frame. The slip ring frame is mounted on the rotating platform; the slip ring fixing part is mounted on the slip ring frame; the rotary table body is of a hollow disc-shaped structure and is provided with a hollow shaft hole. The pneumatic slip ring is located in a hollow shaft hole of the turntable body and can synchronously rotate along with the turntable body. According to the utility model, a five-axis degree-of-freedom processing platform can be formed; the air pipe synchronously rotates along with the air source slip ring and the turntable main body, is easy to arrange and does not generate error positions; and through the pneumatic clamp, the workpiece can be quickly clamped and fixed, and the clamping efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of processing equipment, in particular to a pneumatic dividing head structure suitable for 5-axis processing equipment. Background Art

[0002] The dividing head is a machine tool accessory installed on a milling machine to divide the workpiece into any equal parts. It uses a dividing ring and a vernier, a locating pin and a dividing plate, and an exchange gear to divide the workpiece mounted between the centers or on the chuck into any angles. It can also divide the circumference into any equal parts, and assist the machine tool to use tools of various shapes to perform various grooves, spur gears, spiral spur gears, Archimedean spiral cams, etc.

[0003] The existing dividing head mostly uses a three-jaw chuck on the turntable to clamp the workpiece. The three-jaw chuck uses a wrench to turn the small bevel gear through the square hole, and the disc gear rotates, and at the same time drives the three jaws to approach or withdraw from the center to clamp workpieces of different diameters. Its clamping efficiency is relatively slow; and it is mostly used on 4-axis processing equipment, and its use is relatively limited. Therefore, further improvement is needed. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a pneumatic indexing head structure suitable for 5-axis processing equipment.

[0005] The technical solution adopted by an embodiment of the utility model to solve the technical problem is: a pneumatic indexing head structure suitable for 5-axis processing equipment, including: a rotating platform, a first driving component, a second driving component, an air source transmission component, a turntable body and a movable table;

[0006] The movable table is rotatably mounted on the rotating platform, and the first driving assembly can make the movable table relatively rotatable; the turntable body is rotatably mounted on the movable table, and the second driving assembly can make the turntable body rotatable; the turntable body is provided with a plurality of mounting hole groove structures for mounting pneumatic clamps;

[0007] The air source transmission assembly comprises a pneumatic slip ring, a slip ring fixing part and a slip ring frame; the slip ring frame is mounted on the rotating platform, and the slip ring fixing part is mounted on the slip ring frame; the pneumatic slip ring is rotatably mounted on the slip ring fixing part, and the two are provided with an air supply channel communicating with each other; the pneumatic slip ring is provided with an air supply output end communicating with the air supply channel;

[0008] The turntable body is a hollow disc-shaped structure and is provided with a hollow shaft hole; the pneumatic slip ring is located in the hollow shaft hole of the turntable body and can rotate synchronously with the turntable body.

[0009] Optionally, the central axis of the pneumatic slip ring is colinear with the central axis of the hollow shaft hole.

[0010] Optionally, a plurality of the mounting hole groove structures are evenly arranged on the turntable body along the circumferential direction.

[0011] Optionally, the first drive assembly includes a first drive motor and a first transmission assembly; the second drive assembly includes a second drive motor and a second transmission assembly; the first drive motor and the second drive motor are servo motors.

[0012] Optionally, the rotating platform is provided with a protective cover assembly, and the protective cover assembly covers the outer sides of the first driving assembly, the second driving assembly, the air source transmission assembly and the movable platform.

[0013] The beneficial effects of the utility model are as follows: the first drive component can rotate the movable table, and the second drive component can rotate the turntable body, and the two provide an electric movable control structure of a dividing head with two-axis freedom, which can be matched with the XY worktable and the rotating tool shaft of the processing equipment to form a processing platform with 5-axis freedom; and the air source transmission component includes a rotatably connected pneumatic slip ring and a slip ring fixing part, and an air supply channel and an air supply output end are arranged between the two; the pneumatic slip ring is arranged at the hollow shaft hole of the turntable body, the air source slip ring can rotate synchronously with the turntable body, and the air supply output end is connected to the pneumatic clamp of the turntable body, the air pipe rotates synchronously with the air source slip ring and the turntable body, the air pipe is easy to arrange and does not produce poor misalignment; the workpiece can be clamped and fixed quickly through the pneumatic clamp, and the clamping efficiency is effectively improved.

[0014] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 This is a schematic diagram of the structure of the pneumatic dividing head of the utility model;

[0017] Figure 2 for Figure 1 Schematic diagram of the structure of the pneumatic dividing head after the protective cover is removed;

[0018] Figure 3 for Figure 1 A cross-sectional view of the middle pneumatic indexing head at the second drive assembly;

[0019] Figure 4 for Figure 1 Cross-sectional view of the pneumatic dividing head at the first drive assembly.

[0020] Description of main component symbols:

[0021] 10. Rotating platform; 11. Protective cover assembly; 20. First drive assembly; 21. First drive motor; 22. First transmission assembly; 30. Second drive assembly; 31. Second drive motor; 32. Second transmission assembly; 40. Air source transmission assembly; 41. Pneumatic slip ring; 42. Slip ring fixing part; 43. Slip ring frame; 44. Air supply channel; 45. Air supply output end; 50. Turntable body; 51. Mounting hole groove structure; 52. Hollow shaft hole; 60. Movable table. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0024] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0026] Example

[0027] Reference Figures 1 to 4The utility model proposes a pneumatic indexing head structure suitable for 5-axis machining equipment, including: a rotating platform 10, a first driving assembly 20, a second driving assembly 30, an air source transmission assembly 40, a turntable body 50 and a movable table 60;

[0028] The movable table 60 is rotatably mounted on the rotating platform 10, and the first driving assembly 20 can make the movable table 60 relatively rotatable; the turntable body 50 is rotatably mounted on the movable table 60, and the second driving assembly 30 can make the turntable body 50 rotatable; the turntable body 50 is provided with a plurality of mounting hole groove structures 51 for mounting pneumatic clamps;

[0029] The air source transmission assembly 40 includes a pneumatic slip ring 41, a slip ring fixing part 42 and a slip ring frame 43; the slip ring frame 43 is mounted on the rotating platform 10, and the slip ring fixing part 42 is mounted on the slip ring frame 43; the pneumatic slip ring 41 is rotatably mounted on the slip ring fixing part 42, and the two are provided with an air supply channel 44 that is connected to each other; the pneumatic slip ring 41 is provided with an air supply output end 45 that is connected to the air supply channel 44;

[0030] The turntable body 50 is a hollow disc-shaped structure, and is provided with a hollow shaft hole 52 ; the pneumatic slip ring 41 is located in the hollow shaft hole 52 of the turntable body 50 , and can rotate synchronously with the turntable body 50 .

[0031] In the utility model, the first drive assembly 20 can rotate the movable table 60, and the second drive assembly 30 can rotate the turntable body 50. The two provide an electric movable control structure of a dividing head with two degrees of freedom of axes. When matched with the XY worktable and the rotating tool shaft of the processing equipment, a processing platform with five degrees of freedom of axes can be formed; and the air source transmission assembly 40 includes a rotatably connected pneumatic slip ring 41 and a slip ring fixing part 42, and an air supply channel 44 and an air supply output end 45 are arranged between the two; the pneumatic slip ring 41 is arranged at the hollow shaft hole 52 of the turntable body 50, the air source slip ring can rotate synchronously with the turntable body 50, and the air supply output end 45 is connected to the pneumatic clamp of the turntable body 50, the air pipe rotates synchronously with the air source slip ring and the turntable body 50, the air pipe is easy to arrange and does not produce poor misalignment; through the pneumatic clamp, the workpiece can be clamped and fixed quickly, and the clamping efficiency is effectively improved.

[0032] In this embodiment, in order to ensure that the pneumatic slip ring 41 and the turntable body 50 can stably rotate synchronously and coaxially, the central axis of the pneumatic slip ring 41 is collinear with the central axis of the hollow shaft hole 52 .

[0033] Specifically, a plurality of mounting hole groove structures 51 are evenly arranged on the turntable body 50 along the circumferential direction. It can be matched with a variety of pneumatic clamps for installation and use, and the position can be conveniently rotated and adjusted.

[0034] In this embodiment, the first drive assembly 20 includes a first drive motor 21 and a first transmission assembly 22; the second drive assembly 30 includes a second drive motor 31 and a second transmission assembly 32; the first drive motor 21 and the second drive motor 31 are servo motors. In order to facilitate the control of the rotation angle of the turntable body 50, the drive motor is a servo motor. The first transmission assembly 22 can use a coupling to make the movable table 60 rotate synchronously with the output end of the first drive motor 21; the second transmission assembly 32 can use a reduction transmission structure of multiple gear rings.

[0035] In this embodiment, in order to better protect the components in the rotating platform 10 and prevent damage caused by coolant and cuttings during processing, the rotating platform 10 is further provided with a protective cover assembly 11, which covers the outer sides of the first driving assembly 20, the second driving assembly 30, the air source transmission assembly 40 and the movable table 60.

[0036] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A pneumatic indexing head structure suitable for 5-axis machining equipment, characterized in that: include: A rotating platform (10), a first driving assembly (20), a second driving assembly (30), an air source transmission assembly (40), a rotating table body (50) and a movable table (60); The movable table (60) is rotatably mounted on the rotating platform (10), and the first driving assembly (20) can enable the movable table (60) to rotate relatively; the turntable body (50) is rotatably mounted on the movable table (60), and the second driving assembly (30) can enable the turntable body (50) to rotate; the turntable body (50) is provided with a plurality of mounting hole groove structures (51) for mounting a pneumatic clamp; The air source transmission assembly (40) comprises a pneumatic slip ring (41), a slip ring fixing part (42) and a slip ring frame (43); the slip ring frame (43) is mounted on the rotating platform (10), and the slip ring fixing part (42) is mounted on the slip ring frame (43); the pneumatic slip ring (41) is rotatably mounted on the slip ring fixing part (42), and the two are provided with an air supply channel (44) that is in communication with each other; the pneumatic slip ring (41) is provided with an air supply output end (45) that is in communication with the air supply channel (44); The turntable body (50) is a hollow disc-shaped structure and is provided with a hollow shaft hole (52); the pneumatic slip ring (41) is located in the hollow shaft hole (52) of the turntable body (50) and can rotate synchronously with the turntable body (50).

2. The pneumatic indexing head structure suitable for 5-axis machining equipment according to claim 1 is characterized in that: The central axis of the pneumatic slip ring (41) is colinear with the central axis of the hollow shaft hole (52).

3. The pneumatic indexing head structure suitable for 5-axis machining equipment according to claim 1, characterized in that: A plurality of the mounting hole slot structures (51) are evenly arranged on the turntable body (50) along the circumferential direction.

4. The pneumatic indexing head structure suitable for 5-axis machining equipment according to claim 1, characterized in that: The first drive assembly (20) comprises a first drive motor (21) and a first transmission assembly (22); the second drive assembly (30) comprises a second drive motor (31) and a second transmission assembly (32); the first drive motor (21) and the second drive motor (31) are servo motors.

5. The pneumatic indexing head structure suitable for 5-axis machining equipment according to claim 1 is characterized in that: The rotating platform (10) is provided with a protective cover assembly (11), and the protective cover assembly (11) covers the outer sides of the first driving assembly (20), the second driving assembly (30), the air source transmission assembly (40) and the movable platform (60).

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