Joint structure of industrial robot

Abstract

The utility model discloses an industrial robot joint structure, and particularly relates to the technical field of industrial robots, the industrial robot joint structure comprises a fixed box and a first rotating plate, the first rotating plate is internally and rotatably connected with a rotating shaft, and the rotating shaft is externally and fixedly connected with a second rotating plate in a penetrating manner; and the rotating assembly comprises a first motor and a second motor which are fixedly connected to the bottom of the fixed box, and rotating shafts are fixedly connected to the tops of the first motor and the second motor. By arranging the second rotating plate, the second motor, the rotating shaft, the first gear and the second gear, the first motor drives the rotating shaft, the supporting column and the first bevel gear to synchronously rotate in the first rotating plate, and the first bevel gear drives the second bevel gear, the rotating shaft and the second rotating plate to synchronously rotate; according to the device, the robot can be automatically adjusted at multiple angles according to the actual use scene, the use range of the device is widened, and meanwhile the use limitation of the device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial robots, in particular to a joint structure of an industrial robot. Background Art

[0002] Industrial robots are multi-joint manipulator machine devices widely used in industrial fields. They can rely on their own power and control capabilities to achieve various industrial processing and manufacturing functions, and are widely used in multiple industrial fields.

[0003] When currently in use, the existing device usually adopts a connecting block, a first transmission arm and a connecting shaft to perform rotation operations, but the operating angle and range are limited, and it is impossible to adjust multiple angles according to the actual use scenario, which limits the use scope of the existing device and has certain limitations. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an industrial robot joint structure, which solves the problem that its operating angle and range are limited, and it is impossible to adjust multiple angles according to actual usage scenarios, which limits the scope of use of existing devices and has certain limitations.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an industrial robot joint structure, comprising:

[0006] A fixed box and a first rotating plate, wherein a rotating shaft is rotatably connected inside the first rotating plate, and a second rotating plate is fixedly connected outside the rotating shaft;

[0007] A rotating assembly, the rotating assembly includes a first motor and a second motor fixedly connected to the bottom of the fixed box, the tops of the first motor and the second motor are fixedly connected to a rotating shaft, the top of the rotating shaft on the left side is fixedly connected to a supporting column, the top of the rotating shaft on the right side is fixedly connected to a first gear, an annular groove is provided outside the supporting column, the second gear is rotatably connected in the annular groove, and the top of the supporting column is fixedly connected to a first bevel gear;

[0008] The limiting assembly comprises a fixed block fixedly connected to the left side of the second rotating plate, an electric push rod is fixedly connected through the fixed block, and a clamping block is fixedly connected to the bottom of the electric push rod.

[0009] As a further solution of the utility model: a slot is provided on the top of the first rotating plate, and the bottom of the clamping block is slidably connected in the slot.

[0010] As a further solution of the utility model: the first bevel gear is externally meshed with a second bevel gear, and the second bevel gear is fixedly connected to the left end of the rotating shaft.

[0011] As a further solution of the utility model: the first gear and the second gear are meshed with each other, and the support column penetrates and is rotatably connected in the first rotating plate.

[0012] As a further solution of the utility model: four connecting blocks are fixedly connected to the top of the first gear, and the tops of the four connecting blocks are fixedly connected to the bottom of the first rotating plate.

[0013] As a further solution of the utility model: a third motor is fixedly connected to the top of the second rotating plate, and a rotating chuck is fixedly connected to the output end of the third motor.

[0014] As a further solution of the utility model: a mounting groove is provided in the rotating chuck, the first rotating plate and the second rotating plate are both L-shaped, and protective covers are provided outside the first motor, the second motor and the third motor.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] The industrial robot joint structure is provided with a second rotating plate, a second motor, a rotating shaft, a first gear and a second gear. The first motor drives the rotating shaft, a support column and a first bevel gear to rotate synchronously in the first rotating plate, and the first bevel gear drives the second bevel gear, the rotating shaft and the second rotating plate to rotate synchronously, so that the device can automatically adjust the robot at multiple angles according to actual usage scenarios, thereby increasing the use range of the device and reducing the use limitations of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional schematic diagram of the connection structure between the second motor and the rotating shaft of the utility model;

[0020] Figure 3 It is a three-dimensional schematic diagram of the connection structure between the support column and the first bevel gear of the utility model;

[0021] Figure 4 It is a three-dimensional schematic diagram of the connection structure of the second gear and the connection block of the utility model.

[0022] Description of reference numerals:

[0023] 1. Fixed box; 2. First rotating plate; 3. Rotating shaft; 4. Second rotating plate; 5. First motor; 6. Second motor; 7. Rotating shaft; 8. Support column; 9. First gear; 10. Annular groove; 11. Second gear; 12. First bevel gear; 13. Fixed block; 14. Electric push rod; 15. Block; 16. Slot; 17. Second bevel gear; 18. Connecting block; 19. Third motor; 20. Rotating chuck. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model provides Figure 1-Figure 4 An industrial robot joint structure shown includes:

[0026] A fixed box 1 and a first rotating plate 2 are provided, wherein a rotating shaft 3 is rotatably connected inside the first rotating plate 2, and a second rotating plate 4 is fixedly connected outside the rotating shaft 3;

[0027] The rotating assembly includes a first motor 5 and a second motor 6 fixedly connected to the bottom of the fixed box 1. The tops of the first motor 5 and the second motor 6 are fixedly connected with a rotating shaft 7. The top of the rotating shaft 7 on the left side is fixedly connected with a supporting column 8. The top of the rotating shaft 7 on the right side is fixedly connected with a first gear 9. An annular groove 10 is provided outside the supporting column 8. By providing the annular groove 10, the annular groove 10 can support the second gear 11, thereby preventing the second gear 11 from deviating and falling during rotation, thereby ensuring the stable rotation of the second gear 11.

[0028] A second gear 11 is rotatably connected in the annular groove 10, and a first bevel gear 12 is fixedly connected to the top of the support column 8;

[0029] The limiting assembly includes a fixed block 13 fixedly connected to the left side of the second rotating plate 4. By setting the fixed block 13, the fixed block 13 can support the electric push rod 14 to prevent the electric push rod 14 from falling during use, thereby ensuring the stable use of the electric push rod 14. The electric push rod 14 is fixedly connected through the fixed block 13, and a clamping block 15 is fixedly connected to the bottom of the electric push rod 14.

[0030] A card slot 16 is provided on the top of the first rotating plate 2. By providing the card slot 16, the card slot 16 and the card block 15 cooperate with each other to limit the second rotating plate 4, thereby preventing it from idling during use, thereby ensuring the stable use of the second rotating plate 4.

[0031] The bottom of the card block 15 is slidably connected in the card slot 16, the first bevel gear 12 is meshed with a second bevel gear 17, the second bevel gear 17 is fixedly connected to the left end of the rotating shaft 3, the first gear 9 is meshed with the second gear 11, the support column 8 is rotatably connected to the first rotating plate 2, and the top of the first gear 9 is fixedly connected with four connecting blocks 18. By setting the connecting blocks 18, the connecting blocks 18 can drive the first rotating plate 2 to rotate synchronously, so as to facilitate the adjustment of the horizontal angle of the device;

[0032] The tops of the four connecting blocks 18 are fixedly connected to the bottom of the first rotating plate 2, the top of the second rotating plate 4 is fixedly connected to the third motor 19, the output end of the third motor 19 is fixedly connected to the rotating chuck 20, and the rotating chuck 20 is provided with a mounting groove. The first rotating plate 2 and the second rotating plate 4 are both L-shaped, and the first motor 5, the second motor 6 and the third motor 19 are all provided with protective covers.

[0033] The working principle of the utility model is:

[0034] When using the device, first, different manipulators can be installed in the corresponding installation slots, and then the first motor 5 and the electric push rod 14 can be started. After the electric push rod 14 drives the card block 15 and the card slot 16 to separate from each other, the first motor 5 drives the rotating shaft 7, the support column 8 and the first bevel gear 12 to rotate synchronously in the first rotating plate 2, and the first bevel gear 12 drives the second bevel gear 17, the rotating shaft 3 and the second rotating plate 4 to rotate synchronously, and drives the third motor 19 and the rotating chuck 20 to swing synchronously, and then the second motor 6 can be started, the second motor 6 drives the rotating shaft 7 and the first gear 9 to rotate synchronously, and the first gear 9 enables the second gear 11 to drive the connecting block 18 and the first rotating plate 2 to rotate synchronously outside the support column 8 until they move to a suitable position.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An industrial robot joint structure, characterized in that: include: A fixed box (1) and a first rotating plate (2), wherein a rotating shaft (3) is rotatably connected inside the first rotating plate (2), and a second rotating plate (4) is fixedly connected to the outside of the rotating shaft (3); A rotating assembly, the rotating assembly comprising a first motor (5) and a second motor (6) fixedly connected to the bottom of a fixed box (1), the tops of the first motor (5) and the second motor (6) are both fixedly connected to a rotating shaft (7), the top of the rotating shaft (7) located on the left is fixedly connected to a supporting column (8), the top of the rotating shaft (7) located on the right is fixedly connected to a first gear (9), an annular groove (10) is provided outside the supporting column (8), a second gear (11) is rotatably connected inside the annular groove (10), and the top of the supporting column (8) is fixedly connected to a first bevel gear (12); A limit assembly, the limit assembly comprising a fixed block (13) fixedly connected to the left side of the second rotating plate (4), an electric push rod (14) passing through the fixed block (13) and fixedly connected thereto, and a clamping block (15) fixedly connected to the bottom of the electric push rod (14).

2. An industrial robot joint structure according to claim 1, characterized in that: A clamping groove (16) is provided on the top of the first rotating plate (2), and the bottom of the clamping block (15) is slidably connected in the clamping groove (16).

3. An industrial robot joint structure according to claim 1, characterized in that: The first bevel gear (12) is externally meshed with a second bevel gear (17), and the second bevel gear (17) is fixedly connected to the left end of the rotating shaft (3).

4. The industrial robot joint structure according to claim 1, characterized in that: The first gear (9) and the second gear (11) are meshed with each other, and the support column (8) is rotatably connected to the first rotating plate (2).

5. The industrial robot joint structure according to claim 1, characterized in that: Four connecting blocks (18) are fixedly connected to the top of the first gear (9), and the tops of the four connecting blocks (18) are all fixedly connected to the bottom of the first rotating plate (2).

6. The industrial robot joint structure according to claim 1, characterized in that: A third motor (19) is fixedly connected to the top of the second rotating plate (4), and a rotating chuck (20) is fixedly connected to the output end of the third motor (19).

7. An industrial robot joint structure according to claim 6, characterized in that: The rotating chuck (20) is provided with a mounting groove, the first rotating plate (2) and the second rotating plate (4) are both L-shaped, and the first motor (5), the second motor (6) and the third motor (19) are all provided with protective covers.

Images