Lightweight mechanical arm

Abstract

The utility model discloses a lightweight mechanical arm, which belongs to the technical field of mechanical arms and comprises a mechanical arm base, a large arm and a small arm, the large arm comprises two connecting plates, first connecting holes are formed in the side surfaces of the bottoms of the two connecting plates, second connecting holes are formed in the side surfaces of the tops of the two connecting plates, a connecting block is fixedly connected between the two connecting plates, and the connecting block is fixedly connected with the small arm. Weight reducing grooves are formed in the side faces of the connecting plates, one ends of the weight reducing grooves penetrate through the connecting blocks, and weight reducing holes are formed in the surfaces of the two connecting plates. According to the mechanical arm, the weight of the large arm is reduced through the weight reducing grooves, the weight reducing holes and the weight reducing grooves, so that the load of a driving system is reduced, the action response speed is higher, the mechanical arm is allowed to achieve high-precision dynamic adjustment in a complex track through the lightweight design, the overall power consumption is reduced, and the mechanical arm motor drives the mechanical arm connecting rod and equipment installed on the mechanical arm connecting rod to rotate; and the position of the clamping jaw base is adjusted.

Description

Technical Field

[0001] This utility model relates to a lightweight robotic arm and belongs to the field of robotic arm technology. Background Technology

[0002] With the rapid development of modern industry, robotic arms have been applied in various industries, especially in fields with high precision automation and high precision requirements, such as medical surgery and fire rescue in confined and delicate situations. At the same time, robotic arms are also the core components of industrial robots. With the increasing reliance on robotic arms, the requirements for them are constantly increasing, including: precision, degrees of freedom, load capacity, response speed, service life, processing cost, multifunctionality, and adaptability.

[0003] Traditional robotic arms are too bulky, which reduces their performance and increases unnecessary costs.

[0004] This utility model proposes a new solution to the above problems. Utility Model Content

[0005] The main purpose of this invention is to solve the problem that traditional robotic arms are too bulky, which reduces their performance and increases unnecessary costs, and to provide a lightweight robotic arm.

[0006] The objective of this utility model can be achieved by adopting the following technical solution:

[0007] A lightweight robotic arm includes a robotic arm base, a large arm, and a small arm. The large arm includes two connecting plates. The bottom sides of both connecting plates have first connecting holes, and the top sides of both connecting plates have second connecting holes. A connecting block is fixedly connected between the two connecting plates. Weight reduction grooves are formed on the sides of the connecting plates, with one end of the weight reduction groove penetrating the connecting block. Weight reduction holes are formed on the surfaces of the two connecting plates, and the weight reduction holes are evenly distributed. The sides of the two connecting plates also have weight reduction grooves.

[0008] Preferably, the back of the robotic arm base is provided with mounting holes, which are distributed at the four corners of the mounting holes.

[0009] Preferably, a robotic arm motor is fixedly connected to the surface of the robotic arm base, and a robotic arm connecting rod is fixedly connected to the output end of the robotic arm motor.

[0010] Preferably, a first servo motor is provided on the surface of the robotic arm link, and the output end of the first servo motor is fixedly connected to the first connecting hole.

[0011] Preferably, one end of the forearm is fixedly connected to a fixed base, and a second servo motor is fixedly connected to the surface of the fixed base.

[0012] Preferably, the output end of the second servo motor is fixedly connected to the second connection hole, and a rotary motor is fixedly connected to one end of the forearm.

[0013] Preferably, the output end of the rotary motor is fixedly connected to a gripper connecting seat, and a gripper base is fixedly connected to the surface of the gripper connecting seat.

[0014] Preferably, a mounting plate is fixedly connected to the surface of the gripper base, and the surface of the mounting plate has through holes.

[0015] Preferably, the through holes are arranged in a circular array.

[0016] The beneficial technical effects of this utility model are as follows: the weight reduction groove, weight reduction hole, and weight reduction groove reduce the weight of the upper arm, thereby reducing the load on the drive system, resulting in faster action response speed. The lightweight design allows the robotic arm to achieve higher precision dynamic adjustment in complex trajectories, reducing overall power consumption. The robotic arm motor drives the robotic arm linkage and the equipment installed on the robotic arm linkage to rotate, adjusting the position of the gripper base. The first servo motor drives the bottom of the upper arm to rotate, and the second servo motor drives the forearm to rotate, thereby adjusting the position of the gripper base. The rotary motor drives the gripper connecting seat to rotate, thereby driving the gripper base to rotate, making the robotic arm move flexibly. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a lightweight robotic arm provided according to this utility model;

[0018] Figure 2 This is a schematic diagram of the upper arm structure of a lightweight robotic arm provided according to this utility model;

[0019] Figure 3 This is a schematic diagram of the base structure of a lightweight robotic arm according to the present invention;

[0020] Figure 4 A lightweight robotic arm according to the present invention Figure 1 Enlarged view of the structure at point A in the middle.

[0021] In the diagram: 1. Robotic arm base; 2. Upper arm; 3. Lower arm; 4. Robotic arm motor; 5. Robotic arm linkage; 6. Fixed base; 7. Lower arm; 8. Rotary motor; 9. Gripper connecting seat; 10. Gripper base; 11. Mounting plate; 12. Through hole; 13. Second servo motor; 14. First servo motor; 201. Connecting plate; 202. Second connecting hole; 203. First connecting hole; 204. Connecting block; 205. Weight reduction groove; 206. Weight reduction hole; 207. Weight reduction groove. Detailed Implementation

[0022] To enable those skilled in the art to understand the technical solution of this utility model more clearly, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of this utility model is not limited thereto.

[0023] like Figures 1-4 As shown, this embodiment provides a lightweight robotic arm, including a robotic arm base 1, a large arm 2, and a small arm 7. The large arm 2 includes two connecting plates 201. The bottom side of each connecting plate 201 has a first connecting hole 203, and the top side of each connecting plate 201 has a second connecting hole 202. A connecting block 204 is fixedly connected between the two connecting plates 201. A weight reduction groove 205 is provided on the side of the connecting plate 201, and one end of the weight reduction groove 205 passes through the connecting block 204. Weight reduction holes 206 are provided on the surface of the two connecting plates 201, and the weight reduction holes 206 are evenly distributed. A weight reduction groove 207 is provided on the side of the two connecting plates 201. The weight reduction groove 207, weight reduction holes 206, and weight reduction groove 205 reduce the weight of the large arm 2, thereby reducing the load on the drive system and increasing the action response speed. The lightweight design allows the robotic arm to achieve higher precision dynamic adjustment in complex trajectories and reduces overall power consumption.

[0024] In this embodiment, as Figure 1 and Figure 3 As shown, the back of the robotic arm base 1 is provided with mounting holes 3, which are distributed at the four corners of the mounting holes 3. The robotic arm base 1 is installed on the robot by bolts and mounting holes 3.

[0025] In this embodiment, as Figure 1 and Figure 4 As shown, a robotic arm motor 4 is fixedly connected to the surface of the robotic arm base 1. A robotic arm link 5 is fixedly connected to the output end of the robotic arm motor 4. A first servo motor 14 is provided on the surface of the robotic arm link 5. The output end of the first servo motor 14 is fixedly connected to the first connecting hole 203. A fixed base 6 is fixedly connected to one end of the forearm 7. A second servo motor 13 is fixedly connected to the surface of the fixed base 6. The output end of the second servo motor 13 is fixedly connected to the second connecting hole 202. A rotary motor 8 is fixedly connected to one end of the forearm 7. A gripper connecting seat 9 is fixedly connected to the output end of the rotary motor 8. The surface of the gripper connecting seat 9 is fixedly connected to the first connecting hole 203. A gripper base 10 is fixedly connected, and a mounting plate 11 is fixedly connected to the surface of the gripper base 10. The surface of the mounting plate 11 has through holes 12, which are distributed in a circular array. The robotic arm motor 4 drives the robotic arm link 5 and the equipment mounted on the robotic arm link 5 to rotate, thereby adjusting the position of the gripper base 10. The first servo motor 14 drives the bottom of the upper arm 2 to rotate, and the second servo motor 13 drives the lower arm 7 to rotate, thereby adjusting the position of the gripper base 10. The rotary motor 8 drives the gripper connecting seat 9 to rotate, thereby driving the gripper base 10 to rotate. The gripper assembly is installed on the mounting plate 11 by bolts and through holes 12.

[0026] In this embodiment, as Figures 1-4 As shown, the working principle of the lightweight robotic arm provided in this embodiment is as follows:

[0027] The robotic arm motor 4 drives the robotic arm link 5 and the equipment mounted on the robotic arm link 5 to rotate, adjusting the position of the gripper base 10. The first servo motor 14 drives the bottom of the upper arm 2 to rotate, and the second servo motor 13 drives the lower arm 7 to rotate, thereby adjusting the position of the gripper base 10. The rotary motor 8 drives the gripper connecting seat 9 to rotate, thereby driving the gripper base 10 to rotate, making the robotic arm move flexibly.

[0028] The above description is only a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the scope disclosed by the present utility model, based on the technical solution and concept of the present utility model, shall fall within the protection scope of the present utility model.

Claims

1. A lightweight robot arm comprising a robot arm base (1), a large arm (2) and a small arm (7), characterized in that, The boom (2) includes two connecting plates (201). The bottom sides of the two connecting plates (201) are provided with first connecting holes (203), and the top sides of the two connecting plates (201) are provided with second connecting holes (202). A connecting block (204) is fixedly connected between the two connecting plates (201). The sides of the connecting plates (201) are provided with weight-reducing grooves (205). One end of the weight-reducing grooves (205) passes through the connecting block (204). The surfaces of the two connecting plates (201) are provided with weight-reducing holes (206). The weight-reducing holes (206) are evenly distributed. The sides of the two connecting plates (201) are provided with weight-reducing grooves (207).

2. The lightweight robotic arm of claim 1, wherein, The back of the robotic arm base (1) is provided with mounting holes (3), which are distributed at the four corners of the mounting holes (3).

3. The lightweight robotic arm of claim 1, wherein, The surface of the robotic arm base (1) is fixedly connected to a robotic arm motor (4), and the output end of the robotic arm motor (4) is fixedly connected to a robotic arm link (5).

4. The lightweight robotic arm of claim 3, wherein, The surface of the robotic arm link (5) is provided with a first servo motor (14), and the output end of the first servo motor (14) is fixedly connected to the first connection hole (203).

5. The lightweight robotic arm of claim 4, wherein, One end of the forearm (7) is fixedly connected to a fixed base (6), and a second servo motor (13) is fixedly connected to the surface of the fixed base (6).

6. The lightweight robotic arm of claim 5, wherein, The output end of the second servo motor (13) is fixedly connected to the second connection hole (202), and a rotary motor (8) is fixedly connected to one end of the forearm (7).

7. The lightweight robotic arm of claim 6, wherein, The output end of the rotary motor (8) is fixedly connected to a gripper connecting seat (9), and a gripper base (10) is fixedly connected to the surface of the gripper connecting seat (9).

8. The lightweight robotic arm of claim 7, wherein, The surface of the gripper base (10) is fixedly connected to the mounting plate (11), and the surface of the mounting plate (11) is provided with a through hole (12).

9. The lightweight robotic arm of claim 8, wherein, The through holes (12) are arranged in a circular array.

Images