Grinding mechanism for welding robot
By introducing a cooling structure of a brush head and a choke tube into the grinding mechanism of the welding robot, the problem of coolant not being able to completely cover the grinding head was solved, achieving a more efficient cooling effect and avoiding thermal damage to the workpiece.
Patent Information
- Application Number
- CN202422783073.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-15
AI Technical Summary
During high-speed grinding and long-term continuous grinding, the coolant in the existing welding robot grinding mechanism cannot completely cover the grinding head, resulting in low cooling efficiency and easy thermal damage to the workpiece.
A cooling structure including a brush head, a liquid storage barrel and a choke tube is designed. The choke thorns slow down the flow rate of the coolant so that it is evenly applied to the surface of the grinding head, thereby improving the cooling effect.
The grinding head is effectively cooled, the cooling efficiency is improved, and thermal damage to the workpiece is avoided.
Smart Images
Figure CN223419129U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of welding robots, in particular to a grinding mechanism for welding robots. Background Art
[0002] The grinding mechanism for welding robots is a key step necessary for processing more precise equipment and instruments. It is used for grinding and polishing metal instruments after casting and cutting. This type of mechanism not only needs to ensure that the surface of the parts is flat and smooth and the dimensions are accurate, but also must be able to handle the complex structure of the robot and have the ability to handle fine structures. With the advancement of robotic technology, the grinding mechanism has gradually achieved higher efficiency and precision. By integrating sensors such as force control and position control, it can automatically adjust the grinding force and angle according to the surface condition of the workpiece, and adopts a modular design to adapt to different grinding needs.
[0003] The existing grinding mechanism of welding robots generally uses a grinding head to grind the scars on the workpiece after welding. A large amount of heat is generated during the grinding process of the grinding head. Especially in the case of high-speed grinding and long-term continuous grinding, thermal damage to the workpiece will occur. The existing cooling mechanism generally sprays coolant to the contact area between the grinding wheel and the workpiece through a nozzle to reduce the temperature. This cooling method will result in the coolant not being able to completely cover the grinding head, the cooling efficiency is low, and the cooling effect is reduced to a certain extent.
[0004] Therefore, it is necessary to provide a new welding robot grinding mechanism to solve the above-mentioned technical problems. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a grinding mechanism for a welding robot.
[0006] The grinding mechanism for a welding robot provided by the utility model comprises a grinding piece and a cooling structure, wherein the cooling structure is installed on one side of the grinding piece;
[0007] The cooling structure includes a brush head, a liquid storage barrel for storing coolant and a choke tube. The liquid storage barrel is fixedly arranged on one side of the polishing part, and the interior of the liquid storage barrel is arranged in a funnel shape. The choke tube is fixedly arranged at the bottom of the funnel of the liquid storage barrel. A plurality of choke spines for slowing down the flow rate of the coolant are arranged inside the choke tube. The brush head for brushing the coolant onto the polishing part is movably arranged at the bottom of the liquid storage barrel, and a guide hole communicating with the choke tube is opened inside the brush head.
[0008] Preferably, a fixing frame is fixedly provided on one side of the polishing piece, the inner surface of the fixing frame is fixedly connected to the outer surface of the liquid storage barrel, a cylinder is installed on the top of the liquid storage barrel, a connecting rod is fixedly provided at the bottom of the cylinder output end, a sealing cover is fixedly provided at the bottom of the connecting rod, and the cylinder is used to control the outflow of coolant.
[0009] Preferably, a sliding groove is provided at the bottom of the liquid storage barrel, and a fixed groove communicating with the sliding groove is also provided at the bottom of the liquid storage barrel. The inner surface of the sliding groove is movably connected to the outer surface of the brush head. A movable groove is provided inside the brush head, and a locking piece is provided inside the movable groove.
[0010] Preferably, the engaging part includes a fixed plate, two protruding blocks, two limiting plates, two guide posts, two return springs and a driving part, the fixed plate is fixedly arranged inside the movable groove, the two return springs are respectively fixedly arranged on both sides of the fixed plate, the two guide posts are respectively fixedly arranged on both sides of the fixed plate, the two protruding blocks are movably arranged inside the movable groove, the two limiting plates are respectively fixedly connected to the side of the two protruding blocks adjacent to the fixed plate, the two guide posts respectively pass through the return spring and the limiting plate, and the two guide posts movably extend away from one end of the fixed plate to the inside of the protruding block, and the driving part is fixedly arranged inside the movable groove.
[0011] Preferably, the driving member includes two fixed blocks, two rotating rods, two driving rods, two fixed columns, two rotating columns and a button. The two fixed blocks are respectively fixedly connected to the two protruding blocks on one side adjacent to the fixed plate, the two rotating rods are respectively rotatably connected to the fixed blocks on the one side away from the fixed plate through the fixed columns, the two driving rods are respectively rotatably connected to the rotating rod on the one side adjacent to the fixed plate through the rotating columns, the two driving rods are respectively arranged parallel to the fixed plate, the button is movably arranged inside the movable groove, and the button extends out of the movable groove at one end away from the fixed plate, and the button is respectively fixedly connected to one end of the two driving rods at one end adjacent to the fixed plate.
[0012] Preferably, the grinding part includes a grinding head, a protective plate and a drive shaft, the drive shaft is fixedly installed on one end of the robot body, the protective plate is fixedly arranged on the end of the drive shaft away from the robot body, the grinding head is fixedly arranged on the end of the drive shaft away from the robot body, a fixed frame is fixedly provided on one side of the drive shaft, and the fixed frame is fixedly connected to the side of the liquid storage barrel away from the drive shaft.
[0013] Compared with related technologies, the grinding mechanism for welding robots provided by the present invention has the following beneficial effects:
[0014] When the staff starts the robot to grind the welded workpiece, the grinding head will generate a lot of heat. The staff drives the coolant to move inside the choke tube. After being decelerated by the choke spines, the coolant flows smoothly into the guide holes inside the brush head, and then flows into the bristles of the brush head and soaks them evenly. The soaked bristles of the brush head evenly apply the coolant to the surface of the grinding head, cooling the grinding head and improving the cooling effect to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1This is a schematic diagram of the structure of the grinding mechanism for the welding robot provided by the utility model;
[0016] Figure 2 for Figure 1 An enlarged structural diagram of point A is shown;
[0017] Figure 3 for Figure 2 Schematic diagram of the grinding structure shown;
[0018] Figure 4 for Figure 3 Schematic diagram of the cross section of the cooling structure shown;
[0019] Figure 5 for Figure 4 The cross-sectional structure diagram of the brush head shown;
[0020] Figure 6 for Figure 5 A partial cross-sectional schematic diagram of the brush head shown;
[0021] Figure 7 for Figure 5 The schematic diagram of the local structure shown;
[0022] Figure 8 for Figure 4 Schematic diagram of the cross-sectional structure of the liquid storage barrel shown.
[0023] Numbers in the figure: 1. Robot body; 2. Brush head; 3. Liquid storage barrel; 4. Choke tube; 5. Diversion hole; 6. Fixed frame; 7. Cylinder; 8. Connecting rod; 9. Sealing cover; 10. Sliding groove; 11. Fixed groove; 12. Movable groove; 13. Fixed plate; 14. Extending block; 15. Limiting plate; 16. Guide column; 17. Reset spring; 18. Fixed block; 19. Rotating rod; 20. Driving rod; 21. Fixed column; 22. Rotating column; 23. Button; 24. Grinding head; 25. Protective plate; 26. Driving shaft; 27. Choke thorn. DETAILED DESCRIPTION
[0024] The present invention will be further described below with reference to the accompanying drawings and implementation examples.
[0025] Please refer to Figures 1-8 ,in, Figure 1 This is a schematic diagram of the structure of the grinding mechanism for the welding robot provided by the utility model; Figure 2 for Figure 1 An enlarged structural diagram of point A is shown; Figure 3 for Figure 2 Schematic diagram of the grinding structure shown; Figure 4 for Figure 3 Schematic diagram of the cross section of the cooling structure shown; Figure 5 for Figure 4The cross-sectional structure diagram of the brush head shown; Figure 6 for Figure 5 A partial cross-sectional schematic diagram of the brush head shown; Figure 7 for Figure 5 The schematic diagram of the local structure shown; Figure 8 for Figure 4 Schematic diagram of the cross-sectional structure of the liquid storage barrel shown.
[0026] In the specific implementation process, Figures 1-8As shown, it includes a grinding piece and a cooling structure, which is installed on one side of the grinding piece; the cooling structure includes a brush head 2, a liquid storage barrel 3 for storing coolant and a choke tube 4, the liquid storage barrel 3 is fixedly arranged on one side of the grinding piece, the interior of the liquid storage barrel 3 is funnel-shaped, the choke tube 4 is fixedly arranged at the bottom of the funnel of the liquid storage barrel 3, and a plurality of choke spines 27 for slowing down the flow rate of the coolant are arranged inside the choke tube 4, the brush head 2 for brushing the coolant onto the grinding piece is movably arranged at the bottom of the liquid storage barrel 3, a guide hole 5 communicating with the choke tube 4 is opened inside the brush head 2, a fixed frame 6 is fixedly provided on one side of the grinding piece, the inner surface of the fixed frame 6 is fixedly connected to the outer surface of the liquid storage barrel 3, a cylinder 7 is installed on the top of the liquid storage barrel 3, and a connecting rod 8 is fixedly provided at the bottom of the output end of the cylinder 7. A sealing cover 9 is fixed at the bottom of the connecting rod 8, and the cylinder 7 is used to control the outflow of the coolant. A sliding groove 10 is provided at the bottom of the liquid storage barrel 3. A fixed groove 11 communicating with the sliding groove 10 is also provided at the bottom of the liquid storage barrel 3. The inner surface of the sliding groove 10 is movably connected to the outer surface of the brush head 2. A movable groove 12 is provided inside the brush head 2. A clamping part is provided inside the movable groove 12. The clamping part includes a fixed plate 13, two protruding blocks 14, two limit plates 15, two guide columns 16, two return springs 17 and a driving part. The fixed plate 13 is fixed inside the movable groove 12, and the two return springs 17 are respectively fixed on both sides of the fixed plate 13. The two guide columns 16 are respectively fixed on both sides of the fixed plate 13. The two protruding blocks 14 are movably provided in the movable groove 12. Inside, the two limit plates 15 are respectively fixedly connected to the two protruding blocks 14 on one side adjacent to the fixed plate 13, the two guide columns 16 respectively pass through the return spring 17 and the limit plate 15, and the two guide columns 16 are movably extended to the inside of the protruding block 14 away from one end of the fixed plate 13, the driving member is fixedly arranged inside the movable groove 12, the driving member includes two fixed blocks 18, two rotating rods 19, two driving rods 20, two fixed columns 21, two rotating columns 22 and a button 23. The two fixed blocks 18 are respectively fixedly connected to the two protruding blocks 14 on one side adjacent to the fixed plate 13, the two rotating rods 19 are rotatably connected to the fixed block 18 through the fixed column 21 away from the fixed plate 13, and the two driving rods 20 are respectively connected to the rotating column 22 The rod 19 is rotatably connected to one side of the fixed plate 13, and the two driving rods 20 are respectively arranged parallel to the fixed plate 13. The button 23 is movably arranged inside the movable groove 12, and the button 23 extends out of the movable groove 12 at one end away from the fixed plate 13. The button 23 is fixedly connected to one end of the two driving rods 20 at one end near the fixed plate 13. The grinding part includes a grinding head 24, a protective plate 25 and a driving shaft 26. The driving shaft 26 is fixedly installed at one end of the robot body 1, the protective plate 25 is fixedly arranged at the end of the driving shaft 26 away from the robot body 1, the grinding head 24 is fixedly arranged at the end of the driving shaft 26 away from the robot body 1, and a fixing frame 6 is fixedly provided on one side of the driving shaft 26. The side of the fixing frame 6 away from the driving shaft 26 is fixedly connected to the side of the liquid storage barrel 3; as shown Figure 3As shown, the protective plate 25 protects the grinding head 24. Figure 5 As shown, the fixing plate 13 has a fixing effect on the return spring 17 and the guide column 16, as shown in FIG. Figure 6 As shown, the limiting plate 15 has a limiting effect on the protruding block 14, as shown in FIG. Figure 7 As shown, the extension and retraction of the extension block 14 is controlled by the linkage of the driving rod 20 and the rotating rod 19, as shown in FIG. Figure 8 As shown, the choke thorns 27 inside the choke tube 4 have a decelerating effect on the coolant.
[0027] The working principle provided by the present invention is as follows: when the staff starts the robot to grind the welded workpiece, the grinding head 24 will generate a lot of heat, the staff drives the cylinder 7 to retract, the output end of the cylinder 7 drives the connecting rod 8 to retract, and the connecting rod 8 drives the sealing cover 9 to retract, so that the coolant moves to the inside of the choke tube 4. After the coolant is decelerated by the choke spines 27, it flows smoothly into the guide hole 5 inside the brush head 2, and then flows into the bristles of the brush head 2 and is evenly infiltrated. The bristles of the brush head 2 after being infiltrated evenly spread the coolant on the entire surface of the grinding head 24, thereby cooling the grinding head 24 and improving the cooling effect to a certain extent.
[0028] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.
[0029] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A grinding mechanism for a welding robot, wherein a grinding member is mounted on one end of a robot body (1), characterized in that: It includes a grinding piece and a cooling structure, wherein the cooling structure is installed on one side of the grinding piece; The cooling structure comprises a brush head (2), a liquid storage barrel (3) for storing coolant, and a choke tube (4); the liquid storage barrel (3) is fixedly arranged on one side of the polishing piece, the interior of the liquid storage barrel (3) is arranged in a funnel shape, the choke tube (4) is fixedly arranged at the bottom of the funnel of the liquid storage barrel (3), a plurality of choke thorns (27) for slowing down the flow rate of the coolant are arranged inside the choke tube (4), the brush head (2) for brushing the coolant onto the polishing piece is movably arranged at the bottom of the liquid storage barrel (3), and a guide hole (5) communicating with the choke tube (4) is opened inside the brush head (2).
2. The grinding mechanism for a welding robot according to claim 1, characterized in that: A fixing frame (6) is fixedly provided on one side of the polishing piece, the inner surface of the fixing frame (6) is fixedly connected to the outer surface of the liquid storage barrel (3), a cylinder (7) is installed on the top of the liquid storage barrel (3), a connecting rod (8) is fixedly provided at the bottom of the output end of the cylinder (7), a sealing cover (9) is fixedly provided at the bottom of the connecting rod (8), and the cylinder (7) is used to control the outflow of the coolant.
3. The grinding mechanism for a welding robot according to claim 2, characterized in that: The bottom of the liquid storage barrel (3) is provided with a sliding groove (10), and the bottom of the liquid storage barrel (3) is also provided with a fixed groove (11) communicating with the sliding groove (10). The inner surface of the sliding groove (10) is movably connected to the outer surface of the brush head (2). The brush head (2) is provided with a movable groove (12), and a locking member is provided inside the movable groove (12).
4. The grinding mechanism for a welding robot according to claim 3, characterized in that: The engaging member comprises a fixed plate (13), two protruding blocks (14), two limiting plates (15), two guide posts (16), two return springs (17) and a driving member, wherein the fixed plate (13) is fixedly arranged inside the movable groove (12), the two return springs (17) are respectively fixedly arranged on both sides of the fixed plate (13), the two guide posts (16) are respectively fixedly arranged on both sides of the fixed plate (13), the two protruding blocks (14) are movably arranged inside the movable groove (12), the two limiting plates (15) are respectively fixedly connected to the side of the two protruding blocks (14) adjacent to the fixed plate (13), the two guide posts (16) respectively pass through the return spring (17) and the limiting plate (15), and the two guide posts (16) are movably extended from one end of the fixed plate (13) to the inside of the protruding block (14), and the driving member is fixedly arranged inside the movable groove (12).
5. The grinding mechanism for a welding robot according to claim 4, characterized in that: The driving member comprises two fixed blocks (18), two rotating rods (19), two driving rods (20), two fixed columns (21), two rotating columns (22) and a button (23). The two fixed blocks (18) are respectively fixedly connected to the two protruding blocks (14) on one side adjacent to the fixed plate (13). The two rotating rods (19) are respectively rotatably connected to the fixed blocks (18) via the fixed columns (21) on one side away from the fixed plate (13). The two driving rods (20) are respectively rotatably connected to the rotating rod (19) on one side adjacent to the fixed plate (13) via the rotating columns (22). The two driving rods (20) are respectively arranged parallel to the fixed plate (13). The button (23) is movably arranged inside the movable groove (12), and one end of the button (23) away from the fixed plate (13) extends out of the movable groove (12). The end of the button (23) adjacent to the fixed plate (13) is respectively fixedly connected to one end of the two driving rods (20).
6. The grinding mechanism for a welding robot according to claim 5, characterized in that: The grinding member comprises a grinding head (24), a protective plate (25) and a driving shaft (26); the driving shaft (26) is fixedly mounted on one end of the robot body (1); the protective plate (25) is fixedly arranged on the end of the driving shaft (26) away from the robot body (1); the grinding head (24) is fixedly arranged on the end of the driving shaft (26) away from the robot body (1); a fixing frame (6) is fixedly arranged on one side of the driving shaft (26); and the side of the fixing frame (6) away from the driving shaft (26) is fixedly connected to one side of the liquid storage barrel (3).