Mechanical welding robot for truss
By designing gear boxes and screw systems in welding robots, all-round clamping of materials of different sizes and shapes is achieved, which solves the problems of inconvenience and wear of fixtures in the prior art, and improves welding efficiency and fixture life.
Patent Information
- Application Number
- CN202420331443.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-22
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-02-22
AI Technical Summary
Existing welding robots need to replace the fixture when clamping materials of different sizes and shapes, which is inconvenient to use and wastes manpower and time. Long-term use can easily lead to wear of the fixture and affect welding efficiency.
A truss mechanical welding robot was designed, using gearbox, driving wheel, driven wheel, bevel gear, spur gear, screw, slider, spring and clamp, and the comprehensive clamping of materials is achieved through the coordination relationship between the screw and the slider. and adjust the position of the clamp through the rotation of the control panel and screw to adapt to materials of different sizes and shapes.
It realizes close and all-round clamping of materials of different sizes and shapes, reduces the need for fixture replacement, improves welding efficiency, and maintains clamping force through the spring's rebound force, extending the service life of the fixture.
Smart Images

Figure CN222327130U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of truss mechanical welding robots, in particular to a truss mechanical welding robot. Background Art
[0002] With the continuous development of welding technology, welding methods are increasingly pursuing automated operations, which can not only reduce manual operations but also greatly improve welding efficiency. If you want to achieve automated welding operations, you must use a set of welding machinery that can be based on automated control to complete it.
[0003] After searching, a Chinese patent with publication number CN218225250U discloses a gantry truss for a welding robot, and its technical points are: the utility model discloses a gantry truss for a welding robot, which belongs to the technical field of gantry trusses, including a top frame in the shape of a gate and a bottom frame in the shape of an I, and the top frame is fixed on the bottom frame, and a welding hanger is movably connected to the top frame, and a rotating table is rotatably connected to the bottom frame. The device is provided with a movable and liftable welding hanger, so that the robot detachably connected to the welding hanger can be appropriately adjusted according to the workpiece diameter and workpiece height to meet the welding of rotating bodies of different sizes. By providing a turntable, it can drive the workpiece to rotate under the action of a rotating motor at the bottom to prepare for automated welding. By providing a replaceable and retractable clamp, the appropriate clamp can be replaced according to the size of the workpiece, so that the device can adapt to workpieces of different diameters.
[0004] The above solution solves the problem that the robot detachably connected to the welding hanger can be appropriately adjusted according to the workpiece diameter and workpiece height to meet the welding needs of rotating bodies of different sizes. However, this device needs to replace the clamp when clamping materials of different sizes and shapes, which is inconvenient to use and wastes manpower and time during the replacement process. Long-term replacement is also likely to cause wear of the clamp, affecting subsequent use.
[0005] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content
[0006] In view of the above background technology, the prior art has the problem that materials of different sizes and shapes cannot be tightly clamped.
[0007] The utility model discloses a truss mechanical welding robot, comprising a base, the upper surface of the base is fixedly connected to a gear box, the inner bottom wall of the gear box is rotatably connected to a driving wheel, the outer surface of the driving wheel is meshed with four driven wheels, the upper surface of each driven wheel is fixedly connected to a first bevel gear, the outer surface of each first bevel gear is rotatably connected to the gear box, the outer surface of each first bevel gear is meshed with a second bevel gear, the upper surface of the gear box is fixedly connected to a fixed box, the inner wall of the fixed box is fixedly connected to a support seat, the outer surface of each first bevel gear is rotatably connected to the fixed box, and the inner wall of the fixed box is rotatably connected to four first straight gears.
[0008] Furthermore, the outer surface of each of the first spur gears is fixedly connected to a first connecting rod, the outer surface of each of the first connecting rods is fixedly connected to the corresponding second bevel gear, and one end of each of the first connecting rods away from the corresponding first spur gear is rotatably connected to the support seat.
[0009] Furthermore, the outer surface of each of the first spur gears is meshed with a second spur gear, the outer surface of each of the second spur gears is rotatably connected to a fixed box, the outer surface of each of the second spur gears is fixedly connected to a first screw, and the end of each of the first screws away from the corresponding second spur gear is rotatably connected to a support seat.
[0010] Furthermore, the outer surface of each of the first screw rods is threadedly connected to a slider, the outer surface of each of the sliders is slidably connected to a fixed box, the inner wall of each of the sliders is slidably connected to a second connecting rod, and the outer surface of each of the second connecting rods is fixedly connected to a clamping plate.
[0011] Furthermore, a spring is sleeved on the outer surface of each of the second connecting rods, one end of each of the springs is fixedly connected to the corresponding slider, and the other end of each of the springs is fixedly connected to the corresponding clamping plate.
[0012] Furthermore, two fixing frames are fixedly connected to the upper surface of the base, and the inner wall of each of the fixing frames is rotatably connected to a second screw rod, a control panel is fixedly installed on the outer surface of one of the fixing frames, a third connecting rod is provided in the middle of the two fixing frames, both ends of the third connecting rod are fixedly connected to support plates, the inner wall of each support plate is threadedly connected to the corresponding second screw rod, and the outer surface of each support plate is slidably connected to the corresponding fixing frame.
[0013] Furthermore, the outer surface of the third connecting rod is slidably connected to a fixed block, the inner wall of the fixed block is threadedly connected to a third screw rod, both ends of the third screw rod are fixedly connected to the corresponding support plate, and the bottom surface of the fixed block is rotatably connected to a welding head.
[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0015] 1. The utility model is provided with a first screw, a second connecting rod, a slider, a spring, a clamping plate and other components. Through the mutual cooperation between the first screw and the slider, the second connecting rod can drive the corresponding clamping plate to clamp the material in all directions through the horizontal movement of the slider on the first screw, and the rebound force of the spring makes it possible for the clamping plate to compress and push the corresponding second connecting rod when it contacts and squeezes the material, thereby achieving the effect that the device can clamp materials of different sizes and shapes in all directions through the spring and the clamping plate.
[0016] 2. The utility model sets a second screw, a support plate, a third screw, a third connecting rod, a fixed block and other components, and controls the second screw and the third screw through a control panel, so that the support plate can drive the fixed block to move in the vertical direction through the third connecting rod, and the fixed block can move laterally along the third connecting rod through the rotation of the third screw, thereby achieving the effect that the device can weld materials in all directions through the rotation of the second screw and the third screw. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the internal structure of the fixing frame of the utility model;
[0020] Figure 3 This is a schematic diagram of the internal structure of the fixed box of the utility model;
[0021] Figure 4 This is a schematic diagram of the gearbox structure of the utility model.
[0022] In the figure: 1. base; 2. gear box; 3. fixed box; 4. fixed frame; 5. driving wheel; 6. driven wheel; 7. first bevel gear; 8. second bevel gear; 9. first connecting rod; 10. first spur gear; 11. second spur gear; 12. first screw; 13. slider; 14. second connecting rod; 15. spring; 16. clamp; 17. support seat; 18. control panel; 19. second screw; 20. support plate; 21. third connecting rod; 22. third screw; 23. fixing block; 24. welding head. DETAILED DESCRIPTION
[0023] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.
[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The utility model is a truss mechanical welding robot, comprising a base 1, the upper surface of the base 1 is fixedly connected to a gear box 2, the inner bottom wall of the gear box 2 is rotatably connected to a driving wheel 5, the outer surface of the driving wheel 5 is meshed with four driven wheels 6, the upper surface of each driven wheel 6 is fixedly connected to a first bevel gear 7, the outer surface of each first bevel gear 7 is rotatably connected to the gear box 2, the outer surface of each first bevel gear 7 is meshed with a second bevel gear 8, the upper surface of the gear box 2 is fixedly connected to a fixed box 3, the inner wall of the fixed box 3 is fixedly connected to a support seat 17, each The outer surfaces of the first bevel gears 7 are rotatably connected to the fixed box 3, and the inner walls of the fixed box 3 are rotatably connected to four first spur gears 10. The driving wheel 5 starts to rotate by adjusting the data of the control panel 18. The rotation of the driving wheel 5 will drive the four driven wheels 6 to start rotating, and the driven wheels 6 will drive the corresponding first bevel gears 7 to start rotating. A frame is provided inside the gear box 2 to fix the driving wheel 5 and the driven wheels 6. The rotation of the first bevel gear 7 drives the corresponding second bevel gear 8 to rotate. The support seat 17 serves as a material placement platform, and the material can be placed on the support seat 17.
[0025] See also Figure 3 The outer surface of each first spur gear 10 is fixedly connected to a first connecting rod 9, and the outer surface of each first connecting rod 9 is fixedly connected to the corresponding second bevel gear 8. The end of each first connecting rod 9 away from the corresponding first spur gear 10 is rotatably connected to the support seat 17. The rotation of the second bevel gear 8 drives the corresponding first connecting rod 9 to rotate, and the first connecting rod 9 drives the corresponding first spur gear 10 to rotate.
[0026] See also Figure 3The outer surface of each first spur gear 10 is meshed with a second spur gear 11, the outer surface of each second spur gear 11 is rotatably connected to the fixed box 3, the outer surface of each second spur gear 11 is fixedly connected to a first screw 12, and one end of each first screw 12 away from the corresponding second spur gear 11 is rotatably connected to the support seat 17. The first spur gear 10 is meshed with the corresponding second spur gear 11, so the first spur gear 10 drives the corresponding first screw 12 to rotate through the second spur gear 11, and at this time, the four first screws 12 will rotate simultaneously.
[0027] See also Figure 3 The outer surface of each first screw 12 is threadedly connected with a slider 13, the outer surface of each slider 13 is slidably connected to the fixed box 3, the inner wall of each slider 13 is slidably connected with a second connecting rod 14, and the outer surface of each second connecting rod 14 is fixedly connected with a clamping plate 16. The rotation of the first screw 12 drives the corresponding slider 13 to move horizontally along the corresponding first screw 12. At this time, the slider 13 drives the corresponding clamping plate 16 to clamp the material.
[0028] See also Figure 3 A spring 15 is sleeved on the outer surface of each second connecting rod 14, one end of each spring 15 is fixedly connected to the corresponding slider 13, and the other end is fixedly connected to the corresponding clamping plate 16. When the clamping plate 16 contacts and squeezes the material, the clamping plate 16 will compress the corresponding spring 15 to different degrees according to the shape of the material in its direction, and clamp the material through the surrounding clamping plates 16.
[0029] See also Figure 2 Two fixing frames 4 are fixedly connected to the upper surface of the base 1, and the inner wall of each fixing frame 4 is rotatably connected with a second screw 19, and a control panel 18 is fixedly installed on the outer surface of one of the fixing frames 4, and a third connecting rod 21 is provided in the middle of the two fixing frames 4, and both ends of the third connecting rod 21 are fixedly connected with support plates 20, and the inner wall of each support plate 20 is threadedly connected with the corresponding second screw 19, and the outer surface of each support plate 20 is slidably connected with the corresponding fixing frame 4, and the control panel 18 drives the two second screws 19 to rotate simultaneously through the control of PLC, and at this time, the second screw 19 drives the corresponding support plate 20 to move vertically in the same direction at the same time, so as to adjust according to materials of different heights.
[0030] See also Figure 2The outer surface of the third connecting rod 21 is slidably connected with a fixed block 23, the inner wall of the fixed block 23 is threadedly connected with a third screw 22, both ends of the third screw 22 are fixedly connected to the corresponding support plate 20, and the bottom surface of the fixed block 23 is rotatably connected with a welding head 24. The third connecting rod 21 prevents the fixed block 23 from rotating when the third screw 22 rotates. The rotation of the third screw 22 drives the fixed block 23 to move horizontally, and the lateral position during welding can be adjusted.
[0031] When using the utility model: first, adjust the data on the control panel 18, then place the material on the support seat 17, then rotate the driving wheel 5 through the control of the PLC, and drive the driven wheel 6 to rotate through the meshing of the driving wheel 5 and the driven wheel 6, and then the first bevel gear 7 and the corresponding second bevel gear 8 are meshed with each other, and the first spur gear 10 and the second spur gear 11 are meshed with each other, so that the four first screws 12 start to rotate at the same time, and the corresponding clamping plates 16 are driven by the four sliders 13 to contact and extrude the material. According to the shape of the material, the contact time of the clamping plates 16 and the material in each direction is different, and then the four springs 15 will be compressed to different degrees until the internal force is balanced, and the material is fixed at this time, and then the control panel 18 controls the rotation coordination of the second screw 19 and the third screw 22 through the PLC, and the position of the fixed block 23 in the vertical and horizontal directions can be adjusted, and then the welding head 24 is contacted with the material for welding.
[0032] The above is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.
Claims
1. A truss mechanical welding robot, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a gear box (2); the inner bottom wall of the gear box (2) is rotatably connected to a driving wheel (5); the outer surface of the driving wheel (5) is meshed with four driven wheels (6); the upper surface of each driven wheel (6) is fixedly connected to a first bevel gear (7); the outer surface of each first bevel gear (7) is rotatably connected to the gear box (2); the outer surface of each first bevel gear (7) is meshed with a second bevel gear (8); the upper surface of the gear box (2) is fixedly connected to a fixed box (3); the inner wall of the fixed box (3) is fixedly connected to a support seat (17); the outer surface of each first bevel gear (7) is rotatably connected to the fixed box (3); and the inner wall of the fixed box (3) is rotatably connected to four first straight gears (10).
2. A truss mechanical welding robot according to claim 1, characterized in that: The outer surface of each first spur gear (10) is fixedly connected to a first connecting rod (9), the outer surface of each first connecting rod (9) is fixedly connected to the corresponding second bevel gear (8), and one end of each first connecting rod (9) away from the corresponding first spur gear (10) is rotatably connected to a support seat (17).
3. A truss mechanical welding robot according to claim 2, characterized in that: The outer surface of each of the first spur gears (10) is meshed with a second spur gear (11), the outer surface of each of the second spur gears (11) is rotatably connected to the fixed box (3), the outer surface of each of the second spur gears (11) is fixedly connected to a first screw rod (12), and one end of each of the first screw rods (12) away from the corresponding second spur gear (11) is rotatably connected to a support seat (17).
4. A truss mechanical welding robot according to claim 3, characterized in that: The outer surface of each first screw rod (12) is threadedly connected to a slider (13), the outer surface of each slider (13) is slidably connected to the fixed box (3), the inner wall of each slider (13) is slidably connected to a second connecting rod (14), and the outer surface of each second connecting rod (14) is fixedly connected to a clamping plate (16).
5. A truss mechanical welding robot according to claim 4, characterized in that: The outer surface of each second connecting rod (14) is sleeved with a spring (15), one end of each spring (15) is fixedly connected to the corresponding slider (13), and the other end is fixedly connected to the corresponding clamping plate (16).
6. The truss mechanical welding robot according to claim 1, characterized in that: Two fixing frames (4) are fixedly connected to the upper surface of the base (1), the inner wall of each fixing frame (4) is rotatably connected to a second screw rod (19), a control panel (18) is fixedly mounted on the outer surface of one of the fixing frames (4), a third connecting rod (21) is provided between the two fixing frames (4), both ends of the third connecting rod (21) are fixedly connected to a support plate (20), the inner wall of each support plate (20) is threadedly connected to the corresponding second screw rod (19), and the outer surface of each support plate (20) is slidably connected to the corresponding fixing frame (4).
7. A truss mechanical welding robot according to claim 6, characterized in that: The outer surface of the third connecting rod (21) is slidably connected to a fixing block (23), the inner wall of the fixing block (23) is threadedly connected to a third screw rod (22), both ends of the third screw rod (22) are fixedly connected to the corresponding support plate (20), and the bottom surface of the fixing block (23) is rotatably connected to a welding head (24).
Citation Information
Patent Citations
Gantry truss for welding robot
CN218225250U