A nozzle-type arc welding robot

Abstract

The application provides a suction nozzle type arc welding mechanical arm. The bottom base is provided with a fixed plate on the top thereof and fixed by screws, a first motor is fixedly installed at the top center of the fixed plate, a rotating plate is fixedly installed at the output shaft of the first motor, and a fixed part is fixedly installed at one side of the top of the rotating plate. The suction nozzle type arc welding mechanical arm can effectively drive the rotating plate to rotate through the rotation of the first motor, so as to change the angle of the whole mechanical arm, facilitate the adjustment according to the actual use, drive the first rotating arm to rotate through the rotation of the second motor, and further change the position of the welding gun. Due to the cooperation between the connecting part and the mounting seat, the hydraulic cylinder can rotate with the rotation of the first rotating arm, and the cooperation between the hydraulic cylinder and the second motor further improves the stability of the rotation of the first rotating arm, so that the use is safer.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of arc welding robot, and particularly relates to a suction nozzle type arc welding robot. BACKGROUND

[0002] The robot is an automatic mechanical device which has been most widely used in the field of robotics, and can be seen in the fields of industrial manufacturing, medical treatment, entertainment service, military, semiconductor manufacturing and space exploration. Although the robots have different forms, they all have a common feature that they can receive instructions and accurately position to a certain point in three-dimensional (or two-dimensional) space for work. With the development of modern science and technology, welding equipment also uses robots, which greatly improves work efficiency and safety.

[0003] The current arc welding robot has the problems of unstable device rotation, poor rotation stability only through the motor, easy shaking in use, reduced stability of the welding robot, large welding error, and poor welding gun holding stability, and easy shaking or loosening.

[0004] Therefore, it is necessary to provide a suction nozzle type arc welding robot to solve the above technical problems. SUMMARY

[0005] The present application provides a suction nozzle type arc welding robot, which solves the problems of unstable device rotation, poor rotation stability only through the motor, easy shaking in use, reduced stability of the welding robot, large welding error, and poor welding gun holding stability, and easy shaking or loosening.

[0006] To solve the above technical problems, the present application provides a suction nozzle type arc welding robot, which comprises a base, a fixed plate is fixedly installed on the top of the base through screws, a first motor is fixedly installed at the top center point of the fixed plate, a rotating plate is fixedly installed at the output shaft of the first motor, a fixed part is fixedly installed on one side of the top of the rotating plate, a first rotating arm is rotatably installed on one side of the outer part of the fixed part, a second motor is fixedly installed on the other side of the outer part of the fixed part, the output shaft of the second motor is connected with the first rotating arm through a key groove, a connecting part is fixedly installed on the outer part of the first rotating arm, a hydraulic cylinder is rotatably installed in the connecting part, a mounting seat is rotatably installed at one end of the hydraulic cylinder, and the mounting seat and the rotating plate are fixedly installed.

[0007] Preferably, the first rotating arm is rotatably installed with a second rotating arm, and the second rotating arm is fixedly installed with a third motor on one side of the outer part.

[0008] Preferably, one end of the second rotating arm is rotatably provided with a rotating piece, and an outer side of the rotating piece is fixedly provided with a mounting rack.

[0009] Preferably, an inner side of the mounting rack is rotatably provided with a reversible screw through a bearing, one end of the reversible screw penetrates through the mounting rack and extends to the outer side, a fourth motor is linked to a key groove at one end of the reversible screw in a fixed manner, and the fourth motor is fixedly connected to the mounting rack.

[0010] Preferably, the outer side of the reversible screw is engagedly linked with two clamping plates, and the two clamping plates are used to clamp the welding gun.

[0011] Preferably, an inner side of the mounting rack and located at one side of the reversible screw is fixedly provided with a limiting rod, and the clamping plates are slidably connected to the limiting rod.

[0012] Preferably, one side of one of the clamping plates is rotatably provided with a latch, one end of the latch is fixedly provided with a clamping block, and an outer side of the other clamping plate is provided with a clamping groove matched with the clamping block.

[0013] Preferably, a top side of the fixing piece is fixedly provided with a fixing rack, an outer side of the fixing rack is rotatably provided with a transmission shaft, another outer side of the fixing rack is fixedly provided with a fifth motor, and an output shaft of the fifth motor is linked to the transmission shaft in a key groove.

[0014] Preferably, one end of the transmission shaft is rotatably provided with a first connecting rod, one end of the first connecting rod is rotatably provided with a second connecting rod, one end of the second connecting rod is rotatably provided with a connecting piece, the connecting piece is rotatably connected to the first rotating arm, one end of the connecting piece is rotatably provided with a third connecting rod, and one end of the third connecting rod is rotatably connected to the rotating piece.

[0015] Compared with the related art, the arc welding mechanical arm with a suction nozzle has the following beneficial effects:

[0016] The first motor effectively drives the rotating plate to rotate, so as to change the angle of the whole mechanical arm, which is convenient for adjusting according to the actual use condition, the second motor effectively drives the first rotating arm to rotate, so as to change the position of the welding gun, and due to the cooperation between the connecting piece and the mounting base, the hydraulic cylinder can rotate along with the rotation of the first rotating arm, and the cooperation between the hydraulic cylinder and the second motor further improves the stability of the rotation of the first rotating arm, so that the use is safer.

[0017] The welding torch is placed between the two clamping plates. The rotation of the fourth motor effectively drives the positive and negative screws to rotate, which effectively changes the position of the two clamping plates. Rotating the pin aligns the locking block with the slot, bringing the two clamping plates closer together. The locking block passes through the clamping plate through the slot. Rotating the pin again makes the angle of the locking block mismatch with the slot, further improving the stability of the welding torch clamping. Attached Figure Description

[0018] Figure 1 A schematic diagram of a preferred embodiment of a nozzle-type arc welding robotic arm provided by the present invention;

[0019] Figure 2 for Figure 1 The diagram shows a side view of the structure.

[0020] Figure 3 for Figure 1 The diagram shows the mounting structure of the rotating plate.

[0021] Figure 4 for Figure 1 The diagram shows the installation structure of the welding torch.

[0022] Figure 5 for Figure 1 The diagram shows the installation structure of the connecting parts.

[0023] The following components are labeled in the diagram: 1. Base; 2. Fixing plate; 3. First motor; 4. Rotating plate; 5. Fixing component; 6. First rotating arm; 7. Second motor; 8. Connecting component; 9. Hydraulic cylinder; 10. Mounting seat; 11. Second rotating arm; 12. Third motor; 13. Rotating component; 14. Mounting bracket; 15. Positive and negative screws; 16. Fourth motor; 17. Clamping plate; 18. Welding torch; 19. Limiting rod; 20. Pin; 21. Locking block; 22. Locking slot; 23. Fixing bracket; 24. Drive shaft; 25. Fifth motor; 26. First connecting rod; 27. Second connecting rod; 28. Connecting component; 29. ​​Third connecting rod. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Please refer to the following: Figure 1 As shown in Figure 7, Figure 1 A schematic diagram of a preferred embodiment of a nozzle-type arc welding robotic arm provided by the present invention; Figure 2 for Figure 1 The diagram shows a side view of the structure. Figure 3 for Figure 1 The diagram shows the mounting structure of the rotating plate. Figure 4 for Figure 1 The diagram shows the installation structure of the welding torch.Figure 5 As Figure 1 The schematic view of the adapter mounting structure is shown. A nozzle type arc welding mechanical arm comprises a base 1, a fixed plate 2 is fixedly installed on the top of the base 1 by screws, a first motor 3 is fixedly installed at the top center point of the fixed plate 2, a rotating plate 4 is fixedly installed at the output shaft of the first motor 3, a fixed part 5 is fixedly installed on one side of the top of the rotating plate 4, a first rotating arm 6 is rotatably installed on one side of the outer part of the fixed part 5, a second motor 7 is fixedly installed on the other side of the outer part of the fixed part 5, the output shaft of the second motor 7 is connected to the first rotating arm 6 through a key groove, a connecting part 8 is fixedly installed on the outer part of the first rotating arm 6, a hydraulic cylinder 9 is rotatably installed in the inner part of the connecting part 8, and a mounting seat 10 is rotatably installed at one end of the hydraulic cylinder 9. The mounting seat 10 is fixedly installed between the rotating plate 4, and the rotating plate 4 is effectively driven to rotate by the rotation of the first motor 3, so as to change the angle of the whole mechanical arm, which is convenient for adjusting according to the actual use. The first rotating arm 6 is effectively driven to rotate by the rotation of the second motor 7, so as to change the position of the welding gun 18. Due to the cooperation between the connecting part 8 and the mounting seat 10, the hydraulic cylinder 9 can rotate with the rotation of the first rotating arm 6. The cooperation between the hydraulic cylinder 9 and the second motor 7 further improves the stability of the rotation of the first rotating arm 6, and the use is safer.

[0026] One end of the first rotating arm 6 is rotatably installed with a second rotating arm 11, a third motor 12 is fixedly installed on one side of the outer part of the second rotating arm 11, the second rotating arm 11 is effectively driven to rotate by the rotation of the third motor 12, and the angle of the welding gun 18 is effectively changed, which is convenient for use.

[0027] One end of the second rotating arm 11 is rotatably installed with a rotating part 13, a mounting bracket 14 is fixedly installed on one side of the outer part of the rotating part 13, the angle of the mounting bracket 14 is effectively changed by the rotation of the rotating part 13, and the angle of the welding gun 18 is changed, which is convenient for adjusting according to the welding requirement.

[0028] A reversible screw 15 is rotatably installed in the inner part of the mounting bracket 14 through a bearing, one end of the reversible screw 15 penetrates through the mounting bracket 14 and extends to the outside, a fourth motor 16 is connected to one end of the reversible screw 15 through a key groove, the fourth motor 16 is fixedly installed between the mounting bracket 14, and the reversible screw 15 is effectively driven to rotate by the rotation of the fourth motor 16.

[0029] The outer part of the reversible screw 15 is meshingly connected with a clamping plate 17, and the number of the clamping plate 17 is two. The welding gun 18 is clamped between the two clamping plates 17. The position of the two clamping plates 17 is effectively changed by the rotation of the reversible screw 15, the welding gun 18 is placed between the two clamping plates 17, the two clamping plates 17 are close to each other, the welding gun 18 is effectively clamped, and the welding gun 18 is a nozzle type.

[0030] A limiting rod 19 is fixedly installed inside the mounting bracket 14 and on one side of the positive and negative screws 15. The clamping plate 17 and the limiting rod 19 are slidably installed. The limiting rod 19 effectively improves the stability of the clamping plate 17 when it moves, making it safer to use.

[0031] One of the clamping plates 17 has a pin 20 rotatably mounted on one side, and a locking block 21 is fixedly mounted on one end of the pin 20. The other clamping plate 17 has a slot 22 on its outer side, which is adapted to the locking block 21. Rotating the pin 20 makes the locking block 21 aligned with the slot 22, and the two clamping plates 17 move closer to each other. The locking block 21 passes through the clamping plate 17 through the slot 22. Rotating the pin 20 again makes the angle of the locking block 21 not match the slot 22, which further improves the stability of the welding torch 18 clamping.

[0032] A mounting bracket 23 is fixedly installed on one side of the top of the fixing component 5. A drive shaft 24 is rotatably installed on one side of the outer side of the mounting bracket 23. A fifth motor 25 is fixedly installed on the other side of the outer side of the mounting bracket 23. The output shaft of the fifth motor 25 is connected to the drive shaft 24 by a keyway. The rotation of the fifth motor 25 effectively drives the drive shaft 24 to rotate.

[0033] A first connecting rod 26 is rotatably mounted on one end of the drive shaft 24. A second connecting rod 27 is rotatably mounted on one end of the first connecting rod 26. A connecting piece 28 is rotatably mounted on one end of the second connecting rod 27. The connecting piece 28 is rotatably mounted to the first rotating arm 6. A third connecting rod 29 is rotatably mounted on one end of the connecting piece 28. One end of the third connecting rod 29 is rotatably mounted to the rotating member 13. The rotation of the drive shaft 24 changes the angle of the first connecting rod 26. The rotation of the first connecting rod 26 drives the second connecting rod 27 to rotate. The rotation of the second connecting rod 27 drives the connecting piece 28 to rotate. The rotation of the connecting piece 28 drives the third connecting rod 29 to rotate. The rotation of the third connecting rod 29 drives the rotating member 13 to rotate.

[0034] The working principle of the suction nozzle type arc welding robotic arm provided by this invention is as follows:

[0035] The welding torch 18 is placed between the two clamping plates 17, the effective rotation of the positive and negative screw rod 15 is driven by the fourth motor 16, the position of the two clamping plates 17 is effectively changed by the rotation of the positive and negative screw rod 15, the pin 20 is rotated, so that the clamping block 21 is aligned with the clamping groove 22, the two clamping plates 17 are close to each other, the clamping block 21 penetrates the clamping plate 17 through the clamping groove 22, and then the pin 20 is rotated, so that the angle of the clamping block 21 is not matched with the clamping groove 22, and the stability of the clamping of the welding torch 18 is further improved, the rotation plate 4 is effectively driven to rotate by the rotation of the first motor 3, so that the angle of the whole mechanical arm is changed, and the actual use condition is adjusted, the first rotating arm 6 is effectively driven to rotate by the rotation of the second motor 7, and then the position of the welding torch 18 is changed, and due to the cooperation between the connecting piece 8 and the mounting seat 10, the hydraulic cylinder 9 can rotate along with the rotation of the first rotating arm 6, and the cooperation of the hydraulic cylinder 9 and the second motor 7 further improves the stability of the rotation of the first rotating arm 6, the second rotating arm 11 is effectively driven to rotate by the rotation of the third motor 12, and then the angle of the welding torch 18 is effectively changed, the transmission shaft 24 is effectively driven to rotate by the rotation of the fifth motor 25, the angle of the first connecting rod 26 is changed by the rotation of the transmission shaft 24, the first connecting rod 26 drives the second connecting rod 27 to rotate, the second connecting rod 27 drives the connecting piece 28 to rotate, the connecting piece 28 drives the third connecting rod 29 to rotate, the third connecting rod 29 drives the rotating piece 13 to rotate, and the angle of the mounting frame 14 is effectively changed by the rotation of the rotating piece 13, and then the angle of the welding torch 18 is changed, so that the welding demand is adjusted.

[0036] Compared with the related art, the arc welding mechanical arm with a suction nozzle provided by the application has the following beneficial effects:

[0037] The rotation plate 4 is effectively driven to rotate by the rotation of the first motor 3, so that the angle of the whole mechanical arm is changed, and the actual use condition is adjusted, the first rotating arm 6 is effectively driven to rotate by the rotation of the second motor 7, and then the position of the welding torch 18 is changed, and due to the cooperation between the connecting piece 8 and the mounting seat 10, the hydraulic cylinder 9 can rotate along with the rotation of the first rotating arm 6, and the cooperation of the hydraulic cylinder 9 and the second motor 7 further improves the stability of the rotation of the first rotating arm 6, and the use is safer;

[0038] The welding torch 18 is placed between the two clamping plates 17, the effective rotation of the positive and negative screw rod 15 is driven by the rotation of the fourth motor 16, the position of the two clamping plates 17 is effectively changed by the rotation of the positive and negative screw rod 15, the pin 20 is rotated, the clamping block 21 is aligned with the clamping groove 22, the two clamping plates 17 are close to each other, the clamping block 21 penetrates the clamping plate 17 through the clamping groove 22, the pin 20 is further rotated, the angle of the clamping block 21 is not matched with the clamping groove 22, and the stability of the clamping of the welding torch 18 is further improved.

[0039] The above description is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation obtained by using the content of the specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A torch-type arc welding robot comprising a base (1), characterized in that: The top of the base (1) is fixedly installed with a fixed plate (2), the top center of the fixed plate (2) is fixedly installed with a first motor (3), the output shaft of the first motor (3) is fixedly installed with a rotating plate (4), one side of the top of the rotating plate (4) is fixedly installed with a fixed part (5), one side of the outer part of the fixed part (5) is rotatably installed with a first rotating arm (6), the other side of the outer part of the fixed part (5) is fixedly installed with a second motor (7), the output shaft of the second motor (7) and the first rotating arm (6) are key groove linked, the outer part of the first rotating arm (6) is fixedly installed with a connecting part (8), the inner part of the connecting part (8) is rotatably installed with a hydraulic cylinder (9), one end of the hydraulic cylinder (9) is rotatably installed with a mounting seat (10), the mounting seat (10) and the rotating plate (4) are fixedly installed, one end of the first rotating arm (6) is rotatably installed with a second rotating arm (11), one side of the outer part of the second rotating arm (11) is fixedly installed with a third motor (12), one side of the top of the fixed part (5) is fixedly installed with a fixed frame (23), one side of the outer part of the fixed frame (23) is rotatably installed with a transmission shaft (24), the other side of the outer part of the fixed frame (23) is fixedly installed with a fifth motor (25), the output shaft of the fifth motor (25) and the transmission shaft (24) are key groove linked, one end of the transmission shaft (24) is rotatably installed with a first connecting rod (26), one end of the first connecting rod (26) is rotatably installed with a second connecting rod (27), one end of the second connecting rod (27) is rotatably installed with a connecting part (28), the connecting part (28) and the first rotating arm (6) are rotatably installed, one end of the connecting part (28) is rotatably installed with a third connecting rod (29), one end of the third connecting rod (29) and the rotating part (13) are rotatably installed.

2. The arc welding robot with a mouth according to claim 1, characterized in that, One end of the second rotating arm (11) is rotatably installed with a rotating part (13), one side of the outer part of the rotating part (13) is fixedly installed with a mounting frame (14).

3. The torch-type arc welding robot according to claim 2, wherein The inner part of the mounting frame (14) is rotatably installed with a reversible screw rod (15) through a bearing, one end of the reversible screw rod (15) penetrates the mounting frame (14) and extends to the outside, one end of the reversible screw rod (15) is key groove linked with a fourth motor (16), the fourth motor (16) and the mounting frame (14) are fixedly installed.

4. The arc welding robot with a mouth according to claim 3, characterized in that, The outer part of the reversible screw rod (15) is meshingly linked with a clamping plate (17), and the number of the clamping plate (17) is two, the welding gun (18) is clamped between the two clamping plates (17).

5. The arc welding robot with a mouth according to claim 4, characterized in that, The inner part of the mounting frame (14) and one side of the reversible screw rod (15) are fixedly installed with a limiting rod (19), the clamping plate (17) and the limiting rod (19) are slidingly installed.

6. A torch-type arc welding robot according to claim 5, wherein One side of the clamping plate (17) is rotatably installed with a latch (20), one end of the latch (20) is fixedly installed with a clamping block (21), and the other side of the clamping plate (17) is externally provided with a clamping groove (22), and the clamping groove (22) is matched with the clamping block (21).

Images