Carrying mechanical arm structure
By designing a handling robotic arm structure with a mounting frame, motor, bevel gear, and clamping device, the adaptability problem of existing robotic arms when placing goods on inclined surfaces and over long distances has been solved, enabling flexible cargo handling and efficient long-distance transportation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI ERDIAN CUIYU ELECTRIC APPLIANCE CO LTD
- Filing Date
- 2025-07-04
- Publication Date
- 2026-05-12
AI Technical Summary
Existing robotic arm structures are difficult to grasp or place goods at different angles, and their extension distance is limited, making them unsuitable for placing goods on inclined surfaces or at long distances, thus increasing usage costs.
A handling robotic arm structure was designed, comprising a mounting frame, a motor, a bevel gear, a rotating shaft, a clamping device, and a sliding sleeve. The motor controls the bevel gear and lead screw to achieve angle adjustment and long-distance conveying, while the clamping blocks can be adjusted to accommodate goods of different sizes.
It enables flexible grasping and placement on inclined surfaces and at long distances, enhancing the flexibility and adaptability of the robotic arm and reducing the cost of using multiple robotic arms in combination.
Smart Images
Figure CN224223907U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of robotic arm technology, and more specifically, to a material handling robotic arm structure. Background Technology
[0002] A robotic arm is a mechanical device that mimics the function of a human arm. It typically consists of multiple joints and links and can perform tasks such as grasping, handling, welding, and assembly. It is widely used in industrial manufacturing, medical surgery, space exploration, and service industries. When handling and loading goods, robotic arms are used to speed up the process, saving time and labor, and helping to increase the overall production line efficiency.
[0003] However, the existing robotic arm structure is difficult to grasp or place goods at different angles during use, making it unsuitable when it is necessary to place goods on a processing platform or conveyor on an inclined surface.
[0004] Furthermore, the existing robotic arm structure has a limited extension distance, which means that when goods need to be placed in a distant location, multiple robotic arms need to be used in coordination, increasing the cost of using the device. Summary of the Invention
[0005] (1) Technical problems to be solved
[0006] To address the problems existing in the prior art, this utility model provides a handling robotic arm structure to solve the technical problem mentioned in the background art that the existing robotic arm structure is difficult to grasp or place goods at different angles during use, making it unsuitable when it is necessary to place goods on a processing platform or conveying device with an inclined surface.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model provides the following technical solution:
[0009] A robotic arm structure includes a mounting frame. A first motor is fixedly mounted inside the mounting frame. Side plates are fixedly mounted on the outer wall of the mounting frame on both sides. A rotating shaft is rotatably mounted on each side plate. A mounting bracket is provided on one side of each side plate. The mounting bracket is rotatably mounted to the side plate via the rotating shaft. Both the first motor and the rotating shaft are provided with bevel gears, which mesh together. A base is fixedly mounted on the outer wall of the mounting bracket. A second motor is mounted on the outer wall of the base. A clamping device is provided at the output end of the second motor. A vertical plate is fixedly mounted on the upper surface of the mounting frame. A sliding sleeve is provided on the upper surface of the vertical plate.
[0010] Furthermore, the upper end of the sliding sleeve is provided with a crossbeam, the bottom of the crossbeam is provided with a T-shaped slide rail, the sliding sleeve is slidably installed with the T-shaped slide rail, one end of the crossbeam is provided with a limiting plate, a lead screw is rotatably provided on the limiting plate, the lead screw is threadedly connected to the vertical plate, the other end of the crossbeam is provided with a bracket, the other end of the lead screw is rotatably installed with the bracket, which facilitates the adjustment of the position of the sliding sleeve.
[0011] Furthermore, a third motor is provided at one end of the lead screw and on the outer wall of the limiting plate to facilitate driving the lead screw.
[0012] Furthermore, the clamping device includes a mounting plate, which is fixedly connected to the output end of the second motor. A first half gear is rotatably provided on the bottom and one side of the mounting plate. A fourth motor is fixedly provided on the upper surface of the mounting plate. A second half gear is provided at the output end of the fourth motor. The first half gear and the second half gear are meshed together. A connecting rod is provided on the outer wall of both the first half gear and the second half gear. A drive rod is hinged to the other end of each connecting rod. A clamping block is fixed to the other end of each drive rod to facilitate adjustment of the distance between the clamping blocks.
[0013] Furthermore, each drive rod is hinged to a connecting rod at its middle position, and the other end of each connecting rod is hinged to a mounting plate, which makes the drive rod more stable when rotating.
[0014] Furthermore, anti-slip blocks are fixedly provided on the inner wall of each clamping block to increase the friction between the clamping block and the cargo.
[0015] Furthermore, the bottom of the bracket is provided with an external shaft, which facilitates the connection of the device to the drive assembly.
[0016] Furthermore, reinforcing ribs are fixed between the mounting frame and the upright plate to increase the stability of the mounting frame.
[0017] (III) Beneficial Effects
[0018] Compared with the prior art, the present invention provides a material handling robotic arm structure, which has the following beneficial effects:
[0019] 1. By setting up a first motor, side plate, rotating shaft, and bevel gear, the user can control the first motor to make the bevel gear drive the rotating shaft and mounting frame to rotate. At this time, the mounting frame will drive the base and the second motor to rotate, thereby adjusting the tilt angle of the clamping device. This makes it easier to place the goods on the inclined processing table or conveyor, increasing flexibility. Furthermore, the second motor can be controlled to flip the goods, allowing the device to be used according to different states of the goods, thus facilitating subsequent loading and further increasing the flexibility of the device in use.
[0020] 2. By setting up a crossbeam, sliding sleeve, lead screw, and third motor, the user can control the third motor to rotate the lead screw. At this time, the lead screw will drive the sliding sleeve to move at the outer end of the T-shaped slide rail through the vertical plate, so as to facilitate long-distance transportation of goods, achieve the effect of handling, and make it convenient to use.
[0021] 3. By setting up an installation plate, a first half gear, a second half gear, and clamping blocks, the user can control the fourth motor to make the second half gear drive the first half gear to rotate, which in turn drives the clamping blocks to move through the connecting rod and drive rod, thereby adjusting the distance between the clamping blocks. This facilitates the clamping and handling of goods of different sizes, making it convenient to use. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of a material handling robotic arm structure in its unused state.
[0023] Figure 2 This is a schematic diagram showing the installation of the first motor, side plate, mounting bracket, bevel gear, and base on the mounting frame.
[0024] Figure 3 This is a schematic diagram showing the installation of the first half gear, second half gear, connecting rod, drive rod, and clamping block at the lower end of the mounting plate.
[0025] Figure 4 This is a schematic diagram showing the installation of the T-shaped slide rail, limit plate, lead screw, bracket, and third motor on the crossbeam;
[0026] Figure 5 This is a schematic diagram showing the installation of the first half gear, connecting rod, drive rod, and clamping block.
[0027] In the diagram: 1. Mounting frame; 2. First motor; 3. Side plate; 4. Rotating shaft; 5. Mounting bracket; 6. Bevel gear; 7. Base; 8. Second motor; 9. Vertical plate; 10. Sliding sleeve; 11. Crossbeam; 12. T-shaped slide rail; 13. Limiting plate; 14. Lead screw; 15. Bracket; 16. Third motor; 17. Mounting plate; 18. First half gear; 19. Fourth motor; 20. Second half gear; 21. Connecting rod; 22. Drive rod; 23. Clamping block; 24. Connecting rod; 25. Anti-slip block; 26. External shaft; 27. Reinforcing rib. Detailed Implementation
[0028] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.
[0030] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.
[0031] Please see Figure 1-5 A robotic arm structure for handling materials includes a mounting frame 1. A first motor 2 is fixedly installed inside the mounting frame 1. Side plates 3 are fixedly installed on the outer wall of the mounting frame 1 on both sides. Rotating shafts 4 are rotatably installed on each side plate 3. A mounting bracket 5 is provided on one side of the side plate 3. The mounting bracket 5 is rotatably installed with the side plate 3 via the rotating shafts 4. Both the first motor 2 and the rotating shafts 4 are provided with bevel gears 6, which are meshed together. A base 7 is fixedly installed on the outer wall of the mounting bracket 5. A second motor 8 is provided on the outer wall of the base 7. A clamping device is provided at the output end of the second motor 8. A vertical plate 9 is fixedly installed on the upper surface of the mounting frame 1. A sliding sleeve 10 is provided on the upper surface of the vertical plate 9. A reinforcing rib 27 is fixedly installed between the mounting frame 1 and the vertical plate 9.
[0032] In this embodiment, the upper end of the sliding sleeve 10 is provided with a crossbeam 11, and the bottom of the crossbeam 11 is provided with a T-shaped slide rail 12. The sliding sleeve 10 and the T-shaped slide rail 12 are slidably installed. One end of the crossbeam 11 is provided with a limiting plate 13, and a lead screw 14 is rotatably installed on the limiting plate 13. The lead screw 14 is threadedly connected to the vertical plate 9. The other end of the crossbeam 11 is provided with a bracket 15, and the other end of the lead screw 14 is rotatably installed with the bracket 15. One end of the lead screw 14 and located on the outer wall of the limiting plate 13 is provided with a third motor 16.
[0033] More specifically, the user can control the first motor 2 to make the bevel gear 6 drive the rotating shaft 4 and the mounting frame 5 to rotate. At this time, the mounting frame 5 will drive the base 7 and the second motor 8 to rotate, so as to adjust the tilt angle of the clamping device, making it convenient to place the goods on the inclined processing table or conveying device, increasing flexibility. The user can also control the second motor 8 to flip the goods, so as to use the device according to different states of the goods, thereby facilitating subsequent loading. The user can also control the third motor 16 to make the lead screw 14 rotate. At this time, the lead screw 14 will drive the sliding sleeve 10 to move at the outer end of the T-shaped slide rail 12 through the upright plate 9, so as to facilitate long-distance transportation of goods, achieve the effect of handling, and make it convenient to use.
[0034] Please see Figures 1-3 As an embodiment for clamping and fixing goods: the clamping device includes a mounting plate 17, which is fixedly connected to the output end of the second motor 8. A first half gear 18 is rotatably provided at the bottom of the mounting plate 17 and on one side. A fourth motor 19 is fixedly provided on the upper end surface of the mounting plate 17. A second half gear 20 is provided at the output end of the fourth motor 19. The first half gear 18 and the second half gear 20 are meshed and installed. A connecting rod 21 is provided on the outer wall of both the first half gear 18 and the second half gear 20. A drive rod 22 is hinged to the other end of the connecting rod 21. A clamping block 23 is fixed to the other end of the drive rod 22. A connecting rod 24 is hinged to the middle position of the drive rod 22. The other end of the connecting rod 24 is hinged to the mounting plate 17. An anti-slip block 25 is fixed to the inner wall of the clamping block 23.
[0035] Specifically, the user can control the fourth motor 19 to make the second half gear 20 drive the first half gear 18 to rotate, so as to drive the clamping block 23 to move through the connecting rod 21 and the drive rod 22, thereby adjusting the distance between the clamping blocks 23, which facilitates the clamping and handling of goods of different sizes and makes it convenient to use.
[0036] Please refer to Figure 4 As a further embodiment for connecting the device to an external transmission component: the bottom of the bracket 15 is provided with an external shaft 26.
[0037] Specifically, users can connect the external shaft 26 to the drive assembly to easily adjust the angle of the robotic arm and facilitate transport to different locations.
[0038] In summary, when using the overall equipment: the user can control the first motor 2 to make the bevel gear 6 drive the rotating shaft 4 and the mounting frame 5 to rotate. At this time, the mounting frame 5 will drive the base 7 and the second motor 8 to rotate, thereby adjusting the tilt angle of the clamping device. This makes it convenient to place goods on the inclined processing table or conveying device, increasing flexibility. The user can also control the second motor 8 to flip the goods, so as to use the device according to different states of the goods, thereby facilitating subsequent loading. The user can also control the third motor 16 to make the lead screw 14 rotate. At this time, the lead screw 14 will drive the sliding sleeve 10 to move at the outer end of the T-shaped slide rail 12 through the vertical plate 9, so as to facilitate long-distance transportation of goods and achieve the effect of handling. When clamping goods, the user can control the fourth motor 19 to make the second half gear 20 drive the first half gear 18 to rotate, so as to drive the clamping block 23 to move through the connecting rod 21 and the drive rod 22, thereby adjusting the distance between the clamping blocks 23, thus facilitating the clamping and handling of goods of different sizes.
[0039] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.
Claims
1. A handling robotic arm structure, comprising a mounting frame (1), characterized in that: The mounting frame (1) is fixedly equipped with a first motor (2). Side plates (3) are fixedly equipped on the outer wall of the mounting frame (1) on both sides. Rotating shafts (4) are rotatably equipped on the side plates (3). A mounting bracket (5) is provided on one side of the side plate (3). The mounting bracket (5) is rotatably installed with the side plate (3) through the rotating shaft (4). The first motor (2) and the rotating shaft (4) are both equipped with bevel gears (6). The two bevel gears (6) are meshed and installed. A base (7) is fixedly equipped on the outer wall of the mounting bracket (5). A second motor (8) is provided on the outer wall of the base (7). A clamping device is provided at the output end of the second motor (8). A vertical plate (9) is fixedly equipped on the upper surface of the mounting frame (1). A sliding sleeve (10) is provided on the upper surface of the vertical plate (9).
2. The robotic arm structure according to claim 1, characterized in that: The upper end of the sliding sleeve (10) is provided with a crossbeam (11), and the bottom of the crossbeam (11) is provided with a T-shaped slide rail (12). The sliding sleeve (10) and the T-shaped slide rail (12) are slidably installed. One end of the crossbeam (11) is provided with a limiting plate (13), and a lead screw (14) is rotatably provided on the limiting plate (13). The lead screw (14) is threadedly connected to the upright plate (9). The other end of the crossbeam (11) is provided with a bracket (15), and the other end of the lead screw (14) is rotatably installed with the bracket (15).
3. The robotic arm structure according to claim 2, characterized in that: A third motor (16) is provided at one end of the lead screw (14) and on the outer wall of the limiting plate (13).
4. The robotic arm structure according to claim 1, characterized in that: The clamping device includes a mounting plate (17), which is fixedly connected to the output end of the second motor (8). A first half gear (18) is rotatably provided at the bottom of the mounting plate (17) and on one side. A fourth motor (19) is fixedly provided on the upper surface of the mounting plate (17). A second half gear (20) is provided at the output end of the fourth motor (19). The first half gear (18) and the second half gear (20) are meshed and installed. A connecting rod (21) is provided on the outer wall of both the first half gear (18) and the second half gear (20). A driving rod (22) is hinged to the other end of the connecting rod (21). A clamping block (23) is fixedly provided at the other end of the driving rod (22).
5. The robotic arm structure according to claim 4, characterized in that: Each drive rod (22) is hinged to a connecting rod (24) at its middle position, and the other end of each connecting rod (24) is hinged to the mounting plate (17).
6. The robotic arm structure according to claim 4, characterized in that: Anti-slip blocks (25) are fixedly provided on the inner wall of each clamp (23).
7. The robotic arm structure according to claim 2, characterized in that: The bottom of the bracket (15) is provided with an external shaft (26).
8. The robotic arm structure according to claim 1, characterized in that: A reinforcing rib (27) is fixed between the mounting frame (1) and the upright plate (9).