Multi-joint industrial robot arm

Abstract

According to the technical scheme, the multi-joint industrial robot arm comprises a mounting seat and a bottom plate, a fixed seat is mounted at the top of the bottom plate, a rotating seat is mounted at the top of the fixed seat through a steel ball A, a mechanical arm A is mounted in the middle of the top of the rotating seat, and a mechanical arm B is mounted at the top of the mechanical arm A through a driving shaft; a mechanical arm C is mounted at the top of the mechanical arm B through a driving shaft, driving boxes are mounted at the positions, located at the driving shaft, of the front surfaces of the mechanical arm A and the mechanical arm B, and worm wheels B are mounted at the positions, located in the driving boxes, of the outer surfaces of the driving shafts. According to the multi-joint industrial robot arm, the problems that an existing industrial robot is mostly directly driven by a servo motor, under the influence of high-load-force work, the industrial robot arm is prone to damage, and the service life of the industrial robot is affected are solved, the damage probability of the industrial robot arm is reduced, and the service life of the industrial robot is prolonged. And therefore, the service life of the industrial robot is prolonged.

Description

Technical Field

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

[0002] Industrial robots are robotic systems used for automated production and manufacturing. They are widely used in various industrial fields. Industrial robots can perform a variety of repetitive, precise and dangerous tasks to improve production efficiency, quality and safety. They can improve production efficiency and quality, reduce manpower input and labor intensity, and reduce production costs and risks.

[0003] Most existing industrial robots are directly driven by servo motors. Under the influence of high-load working, the industrial robot arms are easily damaged, which affects the service life of the industrial robots. For this reason, we propose a multi-joint industrial robot arm. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-joint industrial robot arm to achieve the effect of increasing the workload of the industrial robot, so as to solve the problem that the existing industrial robots are mostly directly driven by servo motors, and the industrial robot arms are easily damaged under the influence of high-load work, thereby affecting the service life of the industrial robot.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-joint industrial robot arm, comprising a mounting base and a base plate, wherein a fixed base is mounted on the top of the base plate, a rotating base is mounted on the top of the fixed base through a steel ball A, a mechanical arm A is mounted in the middle of the top of the rotating base, a mechanical arm B is mounted on the top of the mechanical arm A through a driving shaft, a mechanical arm C is mounted on the top of the mechanical arm B through a driving shaft, a clamping base is mounted on the end of the mechanical arm C, a drive box is mounted on the front surfaces of the mechanical arm A and the mechanical arm B at the position of the drive shaft, a worm gear B is mounted on the outer surface of the drive shaft inside the drive box, a servo motor is mounted on the top of the drive box, a worm B is mounted on the output shaft of the servo motor, and the worm gear B is connected to the worm B by threaded engagement.

[0006] Preferably, support columns A are installed at the four corners of the top of the mounting seat, and support columns B are sleeved on the top of the support columns A, and the support columns B are connected to the bottom of the base plate.

[0007] Preferably, a connecting column is installed in the middle of the top of the mounting seat, a lifting column is sleeved on the top of the connecting column, the top of the lifting column is connected to the bottom of the base plate, a rotating shaft is installed in the middle of the top of the mounting seat through a bearing, the rotating shaft is sleeved inside the lifting column, and the rotating shaft is screwed to the lifting column through a threaded connection.

[0008] Preferably, a worm gear A is installed on the outer surface of the rotating shaft near the bottom, an adjusting motor is installed on one side of the connecting column near the bottom, a worm A is installed on the outer surface of the worm gear A on the output shaft of the adjusting motor, and the worm gear A is meshed with the worm A.

[0009] Preferably, a rotating motor is installed at the top of the fixing seat through a motor slot, and the output shaft of the rotating motor is connected to the rotating seat.

[0010] Preferably, a collection box is installed on one side of the drive box near the bottom, and an oil storage pad is installed in the middle of the collection box.

[0011] Preferably, an oil tank is installed on one side of the top of the drive box, a conveyor is installed on the top of the drive box, connectors are installed on both sides of the conveyor, a partition is installed in the middle of the connector, a rubber plug is sleeved in the middle of the partition, a through hole is provided in the partition at the position of the rubber plug, an oil outlet pipe is installed on the connector on one side of the conveyor, and the connector on the other side of the conveyor is connected to the oil tank through an oil extraction pipe.

[0012] Preferably, a piston is installed inside the conveyor, a steel ball B is installed at the bottom of the piston, a spring is installed on the top of the steel ball B on the outer surface of the piston, and a swing head is installed on the outer surface of the drive shaft at the position of the steel ball B.

[0013] Preferably, a reinforcement hole is provided in the middle of the robotic arm A, the robotic arm B and the robotic arm C, and a reinforcement rib is installed in the middle of the reinforcement hole.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model achieves the effect of improving the workload of the industrial robot by arranging a servo motor, a worm B, a worm wheel B and a driving shaft. The worm wheel B is arranged on the outer surface of the driving shaft and located inside the driving box, the servo motor is arranged at the top of the driving box, and the worm B is arranged on the output shaft of the servo motor. The utility model solves the problem that the existing industrial robots are mostly directly driven by servo motors, and the industrial robot arms are easily damaged under the influence of high-load work, which affects the service life of the industrial robot. The utility model reduces the damage probability of the industrial robot arms, thereby increasing the service life of the industrial robot.

[0016] 2. The utility model achieves the effect of automatic spray lubrication inside the drive box by arranging a conveyor, a connector, a piston and a swing head. An oil tank is arranged on one side of the top of the drive box, a conveyor is arranged on the top of the drive box, connectors are arranged on both sides of the conveyor, a partition is arranged in the middle of the connector, and a rubber plug is sleeved in the middle of the partition to solve the problem that the existing drive components need to be manually sprayed with lubricating oil, the drive components are prone to wear, and the service life of the industrial robot is affected, the wear probability of the drive components is increased, and the service life of the industrial robot is increased.

[0017] 3. The utility model achieves the effect of conveniently adjusting the height of the industrial robot by setting a connecting column, a lifting column, an adjusting motor and a rotating shaft, so as to solve the problems that the existing industrial robots have a wide range of uses, different heights, and inconvenient height adjustment, thereby improving the applicability of the industrial robot. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a cross-sectional structural schematic diagram of the mounting seat and the base plate of the utility model;

[0020] Figure 3 for Figure 2 The enlarged structural diagram of A;

[0021] Figure 4 It is a side view structural diagram of the drive box of the utility model;

[0022] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of B.

[0023] Figure numerals: 1, mounting seat; 2, support column A; 3, fixing seat; 4, mechanical arm A; 5, mechanical arm B; 6, clamping seat; 7, mechanical arm C; 8, reinforcement hole; 9, drive box; 10, reinforcement rib; 11, rotating seat; 12, bottom plate; 13, support column B; 14, rotating motor; 15, motor slot; 16, steel ball A; 17, lifting column; 18, worm gear A; 19, connecting column; 20, rotating Shaft; 21. Worm A; 22. Adjusting motor; 23. Driving shaft; 24. Oil tank; 25. Servo motor; 26. Oil outlet pipe; 27. Worm gear B; 28. Worm B; 29. ​​Collecting box; 30. Oil storage pad; 31. Swing head; 32. Connector; 33. Rubber plug; 34. Conveyor; 35. Piston; 36. Steel ball B; 37. Spring; 38. Partition; 39. Oil extraction pipe; 40. Through hole. DETAILED DESCRIPTION

[0024] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] Embodiment 1

[0026] like Figure 1 and Figure 2 As shown, in order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-joint industrial robot arm, including a mounting seat 1 and a base plate 12, a fixed seat 3 is mounted on the top of the base plate 12, a rotating seat 11 is mounted on the top of the fixed seat 3 through a steel ball A16, a mechanical arm A4 is mounted in the middle of the top of the rotating seat 11, a mechanical arm B5 is mounted on the top of the mechanical arm A4 through a driving shaft 23, a mechanical arm C7 is mounted on the top of the mechanical arm B5 through the driving shaft 23, a reinforcing hole 8 is arranged in the middle of the mechanical arm A4, the mechanical arm B5 and the mechanical arm C7, and a reinforcing rib 10 is installed in the middle of the reinforcing hole 8 , improve the use strength of the robot arms A4, B5 and C7, a clamping seat 6 is installed at the end of the robot arm C7, a drive box 9 is installed at the position of the drive shaft 23 on the front surfaces of the robot arms A4 and B5, the outer surface of the drive shaft 23 is located inside the drive box 9 and a worm gear B27 is installed, a servo motor 25 is installed on the top of the drive box 9, a worm B28 is installed on the output shaft of the servo motor 25, the worm gear B27 and the worm B28 are screwed together by threads, a rotating motor 14 is installed on the top of the fixed seat 3 through the motor slot 15, and the output shaft of the rotating motor 14 is connected to the rotating seat 11.

[0027] like Figure 2 and Figure 3 As shown, a connecting column 19 is installed in the middle of the top of the mounting seat 1, and a lifting column 17 is sleeved on the top of the connecting column 19. The top of the lifting column 17 is connected to the bottom of the base plate 12. A rotating shaft 20 is installed in the middle of the top of the mounting seat 1 through a bearing. The rotating shaft 20 is sleeved inside the lifting column 17. The rotating shaft 20 and the lifting column 17 are screwed together by threads, and the lifting column 17 is driven to move by the rotating shaft 20. A worm gear A18 is installed on the outer surface of the rotating shaft 20 near the bottom, and an adjusting motor 22 is installed on one side of the connecting column 19 near the bottom. The output shaft of the adjusting motor 22 is located on the outer surface of the worm gear A18 and a worm A21 is installed. The worm gear A18 is meshed with the worm A21. Support columns A2 are installed at the four corners of the top of the mounting seat 1. Support columns B13 are sleeved on the top of the support column A2, and the support column B13 is connected to the bottom of the base plate 12.

[0028] The working principle of a multi-joint industrial robot arm based on Example 1 is: after the utility model is installed, before use, the utility model is fixed by the mounting base 1, and the adjusting motor 22 is started at the same time, and the worm A21 is driven to rotate by the adjusting motor 22, and the rotating shaft 20 is driven to rotate by the worm A21 and the worm wheel A18, and the lifting column 17 is driven to move by the rotating shaft 20, thereby driving the base plate 12 to move, and adjusting the use height of the utility model. After completion, the rotating base 11 is controlled to rotate by the rotating motor 14 to adjust the use direction of the utility model, and the servo motor 25 is started, and the worm B28 is driven to rotate by the servo motor 25, and the drive shaft 23 is driven to rotate by the worm B28 and the worm wheel B27, thereby driving the mechanical arm B5 and the mechanical arm C7 to swing, and the use angle of the utility model is adjusted, and the utility model can be used. At this point, the working process of the equipment is completed.

[0029] Embodiment 2

[0030] like Figure 4 and Figure 5 As shown, a multi-joint industrial robot arm proposed by the utility model, compared with the first embodiment, this embodiment also includes: a collecting box 29 is installed near the bottom of one side of the driving box 9, an oil storage pad 30 is installed in the middle of the collecting box 29, and the lubricating oil is collected by the oil storage pad 30, an oil tank 24 is installed on the top side of the driving box 9, a conveyor 34 is installed on the top of the driving box 9, connectors 32 are installed on both sides of the conveyor 34, a partition 38 is installed in the middle of the connector 32, a rubber plug 33 is sleeved in the middle of the partition 38, and the partition 38 is connected to the rubber plug 33. A through hole 40 is provided inside the rubber plug 33. An oil outlet pipe 26 is installed on the connector 32 on one side of the conveyor 34. The connector 32 on the other side of the conveyor 34 is connected to the oil tank 24 through an oil extraction pipe 39. A piston 35 is installed inside the conveyor 34. A steel ball B36 is installed at the bottom of the piston 35. A spring 37 is installed on the outer surface of the piston 35 at the top of the steel ball B36. The spring 37 is set to drive the piston 35 to move downward, thereby driving the piston 35 to reset. A swing head 31 is installed on the outer surface of the drive shaft 23 at the position of the steel ball B36.

[0031] In this embodiment, when in use, the spring 37 drives the piston 35 to move downward, and the downward movement of the piston 35 drives the internal part of the conveyor 34 to generate negative pressure, and the rubber plug 33 on the side of the oil outlet pipe 26 is closed by the negative pressure, and the rubber plug 33 on the side of the oil extraction pipe 39 is opened to extract the lubricating oil inside the oil cylinder, and the rotation of the drive shaft 23 drives the swing head 31 to rotate, and the steel ball B36 is squeezed by the swing head 31, thereby driving the piston 35 to move upward, and the lubricating oil in the conveyor 34 is driven upward by the piston 35, the rubber plug 33 on the side of the oil outlet pipe 26 is opened, and the rubber plug 33 on the side of the oil extraction pipe 39 is closed, and the lubricating oil is discharged from the oil outlet pipe 26, thereby lubricating the worm wheel B27 and the worm B28.

[0032] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A multi-joint industrial robot arm, comprising a mounting base (1) and a base plate (12), characterized in that: A fixed seat (3) is installed on the top of the base plate (12), a rotating seat (11) is installed on the top of the fixed seat (3) through a steel ball A (16), a mechanical arm A (4) is installed in the middle of the top of the rotating seat (11), a mechanical arm B (5) is installed on the top of the mechanical arm A (4) through a driving shaft (23), a mechanical arm C (7) is installed on the top of the mechanical arm B (5) through the driving shaft (23), a clamping seat (6) is installed at the end of the mechanical arm C (7), a driving box (9) is installed on the front surfaces of the mechanical arm A (4) and the mechanical arm B (5) at the position of the driving shaft (23), a worm gear B (27) is installed on the outer surface of the driving shaft (23) inside the driving box (9), a servo motor (25) is installed on the top of the driving box (9), a worm gear B (28) is installed on the output shaft of the servo motor (25), and the worm gear B (27) and the worm gear B (28) are screwed together by threads.

2. A multi-joint industrial robot arm according to claim 1, characterized in that: Support columns A (2) are installed at the four corners of the top of the mounting seat (1), and support columns B (13) are sleeved on the top of the support columns A (2), and the support columns B (13) are connected to the bottom of the base plate (12).

3. A multi-joint industrial robot arm according to claim 1, characterized in that: A connecting column (19) is installed in the middle of the top of the mounting seat (1), a lifting column (17) is sleeved on the top of the connecting column (19), the top of the lifting column (17) is connected to the bottom of the base plate (12), a rotating shaft (20) is installed in the middle of the top of the mounting seat (1) through a bearing, the rotating shaft (20) is sleeved inside the lifting column (17), and the rotating shaft (20) is screwed and connected to the lifting column (17) through a thread.

4. A multi-joint industrial robot arm according to claim 3, characterized in that: A worm gear A (18) is installed on the outer surface of the rotating shaft (20) near the bottom, and an adjusting motor (22) is installed on one side of the connecting column (19) near the bottom. The output shaft of the adjusting motor (22) is located on the outer surface of the worm gear A (18) and a worm A (21) is installed. The worm gear A (18) is meshed with the worm A (21).

5. The multi-joint industrial robot arm according to claim 1, characterized in that: A rotating motor (14) is installed on the top of the fixed seat (3) through a motor slot (15), and an output shaft of the rotating motor (14) is connected to the rotating seat (11).

6. A multi-joint industrial robot arm according to claim 1, characterized in that: A collection box (29) is installed near the bottom of one side of the driving box (9), and an oil storage pad (30) is installed in the middle of the collection box (29).

7. A multi-joint industrial robot arm according to claim 1, characterized in that: An oil tank (24) is installed on one side of the top of the drive box (9), a conveyor (34) is installed on the top of the drive box (9), connectors (32) are installed on both sides of the conveyor (34), a partition (38) is installed in the middle of the connector (32), a rubber plug (33) is sleeved in the middle of the partition (38), a through hole (40) is provided in the partition (38) at the position of the rubber plug (33), the connector (32) on one side of the conveyor (34) is installed with an oil outlet pipe (26), and the connector (32) on the other side of the conveyor (34) is connected to the oil tank (24) through an oil extraction pipe (39).

8. A multi-joint industrial robot arm according to claim 7, characterized in that: A piston (35) is installed inside the conveyor (34), a steel ball B (36) is installed at the bottom of the piston (35), a spring (37) is installed on the outer surface of the piston (35) at the top of the steel ball B (36), and an oscillating head (31) is installed on the outer surface of the drive shaft (23) at the position of the steel ball B (36).

9. The multi-joint industrial robot arm according to claim 1, characterized in that: A reinforcement hole (8) is provided in the middle of the mechanical arm A (4), the mechanical arm B (5) and the mechanical arm C (7), and a reinforcement rib (10) is installed in the middle of the reinforcement hole (8).

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