Welding robot not prone to toppling

Abstract

The utility model discloses a welding robot not easy to topple over, which comprises a base, four ends of the upper part of the base are fixedly connected with a fixed frame, the inner part of the fixed frame is movably connected with a movable frame, the upper end of the movable frame is fixedly connected with a mounting seat, and the upper end of the mounting seat is provided with a welding robot body. By arranging the movable frame, the fixed frame and a second damping spring at the joint of the base and the connecting seat, the buffering and damping effects of the welding robot can be achieved, it is ensured that the welding robot keeps stable, and the situation that the welding robot is unstable during working is reduced; and meanwhile, a first rotating shaft, a second rotating shaft, a connecting rod and a first damping spring are arranged in the middle of the welding robot, so that the double damping effect can be achieved, the stability of the whole welding robot during welding can be improved, and the toppling condition is prevented.

Description

Technical Field

[0001] The utility model relates to the field of welding robots, in particular to a welding robot which is not easy to tip over. Background Art

[0002] Welding robots are industrial robots engaged in welding. According to the definition of the International Organization for Standardization, industrial robots belong to standard welding robots. Industrial robots are multi-purpose, reprogrammable automatic control manipulators with three or more programmable axes, used in the field of industrial automation. Welding robots are industrial robots with welding tongs or welding (cutting) guns installed on the end shaft flange, so that they can perform welding, cutting or thermal spraying.

[0003] Existing welding robots are usually expensive and are shaped like a mechanical arm. Therefore, it is difficult to place them stably during installation, which causes shaking during welding operations. In addition, due to their high cost, once they topple over and become damaged, they will cause considerable losses. Utility Model Content

[0004] The utility model aims to provide a welding robot which is not easy to tip over, and solves the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a welding robot that is not easy to tip over, comprising a base, wherein the four ends above the base are fixedly connected to a fixing frame, the interior of the fixing frame is movably connected to a movable frame, the upper end of the movable frame is fixedly connected to a mounting seat, the upper end of the mounting seat is provided with a welding robot body, and a limiting groove is provided inside the fixing frame;

[0006] A second damping spring is fixedly connected to the inner bottom of the limiting groove, and the other end of the second damping spring is fixedly connected to the limiting plate. The lower end of the movable frame passes through the limiting groove and is fixedly connected to the limiting plate inwardly, and one end of the base is fixedly connected to a handle.

[0007] As a further description of the above technical solution: two ends of the bottom of the mounting seat are fixedly connected with a second rotating shaft, and a connecting rod is rotatably connected to the second rotating shaft.

[0008] As a further description of the above technical solution: a fixing seat is fixedly connected to the inner side of the fixing frame, and a first sliding groove is provided inside the fixing seat.

[0009] As a further description of the above technical solution: a first slider is slidably connected inside the first slide groove, a first damping spring is fixedly connected to one end of the inner side of the first slide groove, and one end of the first slider is fixedly connected to the first damping spring.

[0010] As a further description of the above technical solution: the upper end of the first sliding block is fixedly connected to the first rotating shaft, and the other end of the connecting rod is rotatably connected to the first rotating shaft.

[0011] As a further description of the above technical solution: second slide grooves are opened at both ends of the inner side of the first slide groove, the two ends of the first slider are fixedly connected with the second slider, and the second slider is slidably connected inside the second slide groove.

[0012] As a further description of the above technical solution: universal wheels are arranged at the four lower ends of the base, a driving motor is fixedly connected to the upper middle part of the base, and the output end of the driving motor passes through the base and is fixedly connected to a screw rod inwardly.

[0013] As a further description of the above technical solution: a connecting plate is threadedly connected to the screw rod, a support frame is fixedly connected to the lower end of the connecting plate, a sliding rod is fixedly connected to the interior of the base, and the connecting plate is slidably connected to the sliding rod.

[0014] The utility model has the following beneficial effects:

[0015] 1. Compared with the prior art, the welding robot that is not easy to tip over can achieve the buffering and shock absorbing effect of the welding robot by arranging a movable frame, a fixed frame, and a second damping spring at the connection between the base and the connecting seat, thereby ensuring that the welding robot maintains a stable effect and reducing the instability of the welding robot during work. At the same time, the first rotating shaft, the second rotating shaft, the connecting rod, and the first damping spring are arranged in the middle thereof to achieve a double shock absorbing effect, thereby improving the stability of the entire welding robot during welding and preventing the robot from tipping over.

[0016] 2. Compared with the prior art, this welding robot, which is not easy to tip over, can be conveniently moved by the staff by setting universal wheels, and can drive the support frame to move downward under the action of the drive motor, screw, slide rod and connecting plate. The self-locking structure of the universal wheel can increase the stability of the welding robot and improve the processing accuracy of the welding robot.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a schematic diagram of the internal structure of the fixing seat of the utility model.

[0021] Figure 3 It is a schematic diagram of the internal structure of the fixing frame of the utility model.

[0022] Figure 4 It is a schematic diagram of the internal structure of the base of the utility model.

[0023] Legend:

[0024] 1. Welding robot body; 2. Mounting seat; 3. Movable frame; 4. Fixed frame; 5. Universal wheel; 6. Base; 7. Driving motor; 8. First rotating shaft; 9. Handle; 10. Connecting rod; 11. Second rotating shaft; 12. First slide groove; 13. First slider; 14. Second slide groove; 15. Second slider; 16. First damping spring; 17. Fixed seat; 18. Limiting plate; 19. Second damping spring; 20. Limiting groove; 21. Sliding rod; 22. Screw; 23. Connecting plate; 24. Support frame. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0026] Reference Figure 1-4 The utility model provides an embodiment of a welding robot that is not easy to tip over, including a base 6, the four ends above the base 6 are fixedly connected with a fixed frame 4, the interior of the fixed frame 4 is movably connected with a movable frame 3, the upper end of the movable frame 3 is fixedly connected with a mounting seat 2, the upper end of the mounting seat 2 is provided with a welding robot body 1, and a limiting groove 20 is provided inside the fixed frame 4, and the movable frame 3 can be moved inside the limiting groove 20 by providing the limiting groove 20;

[0027] A second damping spring 19 is fixedly connected to the inner bottom of the limiting groove 20, and the other end of the second damping spring 19 is fixedly connected to the limiting plate 18. The lower end of the movable frame 3 passes through the limiting groove 20 and is fixedly connected to the limiting plate 18 inwardly. One end of the base 6 is fixedly connected to a handle 9. When the welding robot 1 shakes, the mounting seat 2 drives the movable frame 3 and the limiting plate 18 to squeeze the second damping spring 19. Under the action of the second damping spring 19, the shock absorbing and buffering effect of the entire welding robot body 1 can be achieved, thereby improving the stability of the robot during welding. In addition, the handle 9 can make it more convenient for the staff to move the entire device, thereby improving the convenience of the device.

[0028] The two ends of the bottom of the mounting seat 2 are fixedly connected with a second rotating shaft 11, and the second rotating shaft 11 is rotatably connected with a connecting rod 10. The inner side of the fixing frame 4 is fixedly connected with a fixing seat 17, and a first sliding groove 12 is provided inside the fixing seat 17. The second rotating shaft 11 and the first rotating shaft 8 can realize the relative rotation of the connecting rod 10, and cooperate with the buffering and shock absorbing components inside the fixing seat 17 to realize double shock absorption and buffering;

[0029] The first slide groove 12 is internally slidably connected with a first slider 13, an inner end of the first slide groove 12 is fixedly connected with a first damping spring 16, one end of the first slider 13 is fixedly connected to the first damping spring 16, the upper end of the first slider 13 is fixedly connected with a first rotating shaft 8, the other end of the connecting rod 10 is rotatably connected to the first rotating shaft 8, as the mounting seat 2 descends, the second rotating shaft 11 and the connecting rod 10 can be driven to move, at this time the connecting rod 10 drives the first rotating shaft 8 to squeeze the first damping spring 16, under the action of the first damping spring 16, the device can achieve a dual shock-absorbing and buffering effect, thereby effectively improving the stability of the entire welding robot body 1 and preventing the robot from tipping over;

[0030] The first slide groove 12 has two inner ends provided with second slide grooves 14, and the first slider 13 has two ends fixedly connected with second sliders 15, and the second slider 15 is slidably connected inside the second slide groove 14. The second slide groove 14 and the second slider 15 can improve the stability of the first slider 13 during the sliding process. At the same time, the damping spring in the device is composed of a damper and a spring, and can have a shock absorbing and buffering effect.

[0031] Universal wheels 5 are provided at the four lower ends of the base 6, and a driving motor 7 is fixedly connected to the upper middle part of the base 6. The output end of the driving motor 7 passes through the base 6 and is fixedly connected to a screw rod 22 inwardly. A connecting plate 23 is threadedly connected to the screw rod 22, and a support frame 24 is fixedly connected to the lower end of the connecting plate 23. A sliding rod 21 is fixedly connected to the inside of the base 6, and the connecting plate 23 is slidably connected to the sliding rod 21. Starting the driving motor 7 can drive the screw rod 22 to rotate, and under the action of the threaded connection, the connecting plate 23 can drive the support frame 24 to move downward, thereby cooperating with the self-locking structure of the universal wheel 5 to stably support the device and improve its stability. In addition, the sliding rods 21 at both ends can improve the stability of the connecting plate 23 during movement.

[0032] Working principle: When the device is in use, first move the device to a suitable position through the universal wheel 5 and the handle 9, and then start the welding robot body 1 to perform welding operations. The welding robot 1 will shake to a certain extent during use, which may cause it to tip over. When the welding robot 1 shakes, the mounting seat 2 drives the movable frame 3 and the limit plate 18 to squeeze the second damping spring 19. Under the action of the second damping spring 19, the shock absorbing and buffering effect of the entire welding robot body 1 can be achieved, thereby improving the stability of the robot during welding. At the same time, as the mounting seat 2 descends, the second rotating shaft 11 and the connecting rod 10 can be driven to move. At this time, the connecting rod 10 drives the first rotating shaft 8 to squeeze the first damping spring 16. Under the action of the first damping spring 16, the device can achieve a double shock absorbing and buffering effect, thereby effectively improving the stability of the entire welding robot body 1 and preventing the robot from tipping over.

[0033] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A welding robot that is not easy to tip over, comprising a base (6), characterized in that: The four ends above the base (6) are fixedly connected to a fixed frame (4), the interior of the fixed frame (4) is movably connected to a movable frame (3), the upper end of the movable frame (3) is fixedly connected to a mounting seat (2), the upper end of the mounting seat (2) is provided with a welding robot body (1), and a limiting groove (20) is provided inside the fixed frame (4); A second damping spring (19) is fixedly connected to the inner bottom of the limiting groove (20), and the other end of the second damping spring (19) is fixedly connected to the limiting plate (18). The lower end of the movable frame (3) passes through the limiting groove (20) and is fixedly connected inwardly to the limiting plate (18). One end of the base (6) is fixedly connected to a handle (9).

2. The non-tip-over welding robot according to claim 1, characterized in that: The two ends of the bottom of the mounting seat (2) are fixedly connected to a second rotating shaft (11), and a connecting rod (10) is rotatably connected to the second rotating shaft (11).

3. The non-tip-over welding robot according to claim 2, characterized in that: A fixing seat (17) is fixedly connected to the inner side of the fixing frame (4), and a first sliding groove (12) is provided inside the fixing seat (17).

4. The non-tip-over welding robot according to claim 3, characterized in that: A first sliding block (13) is slidably connected inside the first sliding groove (12), a first damping spring (16) is fixedly connected to one end of the inner side of the first sliding groove (12), and one end of the first sliding block (13) is fixedly connected to the first damping spring (16).

5. The non-tip-over welding robot according to claim 4, characterized in that: The upper end of the first sliding block (13) is fixedly connected to a first rotating shaft (8), and the other end of the connecting rod (10) is rotatably connected to the first rotating shaft (8).

6. The non-tip-over welding robot according to claim 4, characterized in that: The first slide groove (12) has two inner ends provided with second slide grooves (14), the two ends of the first slider (13) are fixedly connected with second sliders (15), and the second slider (15) is slidably connected inside the second slide groove (14).

7. The non-tip-over welding robot according to claim 1, characterized in that: Universal wheels (5) are arranged at the four lower ends of the base (6), a driving motor (7) is fixedly connected to the upper middle portion of the base (6), and an output end of the driving motor (7) passes through the base (6) and is fixedly connected inwardly with a screw rod (22).

8. The non-tip-over welding robot according to claim 7, characterized in that: The screw rod (22) is threadedly connected to a connecting plate (23), the lower end of the connecting plate (23) is fixedly connected to a support frame (24), the interior of the base (6) is fixedly connected to a sliding rod (21), and the connecting plate (23) is slidably connected to the sliding rod (21).

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