Four-axis visual spot welding machine

Abstract

The utility model relates to the technical field of spot welding equipment, in particular to a four-axis visual spot welding machine which comprises a machine frame, a working table, a transverse displacement assembly and a vertical displacement assembly, vertical frames are arranged at the two ends of the working table, the vertical displacement assembly is arranged at the output end of the transverse displacement assembly, and a connecting plate is arranged at the output end of the vertical displacement assembly. A first camera assembly is arranged at the front end of the connecting plate, a spot welding mechanism is arranged at the front end of the first camera assembly, a second camera assembly is arranged at the front end of the spot welding mechanism, two longitudinal displacement assemblies are arranged on the workbench side by side, and a spot welding objective table is arranged at the output ends of the longitudinal displacement assemblies. By introducing the transverse displacement assembly, the vertical displacement assembly and the two longitudinal displacement assemblies, multi-dimensional accurate motion control is achieved, meanwhile, the two spot welding objective tables are arranged, the welding precision and efficiency are improved, the first camera assembly and the second camera assembly provide a real-time visual feedback mechanism, and the problems of insufficient welding, welding skips and the like can be prevented.

Description

Technical Field

[0001] This utility model relates to the field of spot welding equipment technology, and in particular to a four-axis vision spot welding machine. Background Technology

[0002] In modern manufacturing, spot welding is a crucial step in joining metal parts and is widely used in industries such as automotive, aerospace, and home appliances. Traditional spot welding equipment typically relies on manual operation or simple automated systems, which often suffer from low precision, low efficiency, and poor adaptability.

[0003] Existing spot welding machines mostly use three-axis motion control, which can only meet the spot welding needs of one component. During the welding process, due to the lack of effective visual monitoring and feedback mechanisms, the welding quality is difficult to guarantee, and quality problems such as incomplete welding and missing welding often occur. Utility Model Content

[0004] This invention aims to at least solve the technical problems existing in the prior art. To this end, this invention proposes a four-axis vision spot welding machine, which improves the accuracy and efficiency of spot welding operations, while also enhancing the flexibility and adaptability of the equipment, making it suitable for various complex welding tasks.

[0005] A four-axis vision spot welding machine according to some embodiments of the present invention includes a frame, a worktable, a lateral displacement component, and a vertical displacement component. The worktable is disposed in the middle of the frame, and uprights are disposed at both ends of the worktable. The two ends of the lateral displacement component are respectively connected to the tops of the two uprights. The vertical displacement component is disposed at the output end of the lateral displacement component, and a connecting plate is disposed at the output end of the vertical displacement component. A first camera component is disposed at the front end of the connecting plate, a spot welding mechanism is disposed at the front end of the first camera component, and a second camera component is disposed at the front end of the spot welding mechanism. The second camera component faces the output end of the spot welding mechanism. Two longitudinal displacement components are disposed side by side on the worktable, and a spot welding stage is disposed at the output end of the longitudinal displacement component. Both longitudinal displacement components are disposed between the two uprights.

[0006] A four-axis vision spot welding machine according to some embodiments of the present invention has at least the following beneficial effects:

[0007] This invention achieves multi-dimensional precise motion control by introducing horizontal, vertical, and two longitudinal displacement components. It also features two spot welding platforms, allowing operators to pick up and place products on the other platform while working on one, thus improving welding accuracy and efficiency. The first and second camera components provide a real-time visual feedback mechanism. The first camera component is used to align the welding position, while the second camera component is used to monitor the quality of the welding process, helping to prevent problems such as incomplete welds and missed welds.

[0008] According to some embodiments of the present invention, a four-axis vision spot welding machine has two receiving grooves at the bottom of the worktable, and two longitudinal displacement components are respectively disposed in the two receiving grooves.

[0009] According to some embodiments of the present invention, a four-axis vision spot welding machine includes a longitudinal displacement component comprising a first drive motor, a first lead screw, and a first lead screw nut. The output end of the first drive motor is connected to the first lead screw, the first lead screw nut is screwed to the first lead screw, a positioning plate is provided on the top of the first lead screw nut, and connecting portions are provided on both sides of the top of the positioning plate. The bottom sides of the spot welding stage are respectively connected to the top of the two connecting portions.

[0010] According to some embodiments of the present invention, a four-axis vision spot welding machine is provided with positioning blocks on both sides of the receiving groove, a guide rail on the top of each positioning block, and sliders on both sides of the bottom of the positioning plate, wherein the sliders are slidably connected to the guide rails one by one.

[0011] According to some embodiments of the present invention, a four-axis vision spot welding machine is provided with a cover plate on the top of the receiving groove, and through grooves are provided on both sides of the cover plate. The connecting part passes through the through grooves. Baffles are provided at both the front and rear ends of the spot welding stage. A flexible cover is provided between the spot welding stage and the two baffles. The flexible cover is located at the top of the through groove.

[0012] According to some embodiments of the present invention, a four-axis vision spot welding machine includes a housing, a lifting drive mechanism, and a spot welding head. The lifting drive mechanism is disposed on the top of the housing, and a receiving cavity is provided inside the housing. A lifting rod is provided at the output end of the lifting drive mechanism. The lifting rod is located inside the receiving cavity. A cross roller bearing is provided between the lifting rod and the inner wall of the receiving cavity. The bottom of the lifting rod is connected to the spot welding head.

[0013] According to some embodiments of the present invention, a four-axis vision spot welding machine is provided on the outer side of the housing, and a second camera assembly is disposed between the two side plates.

[0014] According to some embodiments of the present invention, a four-axis vision spot welding machine is provided with control buttons on the outer side of the frame.

[0015] According to some embodiments of the present invention, a four-axis vision spot welding machine is provided with a display screen on the frame.

[0016] According to some embodiments of the present invention, a four-axis vision spot welding machine is provided with multiple casters and foot cups at the bottom of the frame.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0020] Figure 2 This is a schematic diagram of the structure of this utility model with the frame hidden.

[0021] Figure 3 This is a schematic diagram of the structure of the workbench according to an embodiment of the present utility model.

[0022] Figure 4 This is a schematic diagram of the longitudinal displacement component according to an embodiment of the present invention.

[0023] Figure 5 This is a schematic diagram of the spot welding mechanism according to an embodiment of the present utility model.

[0024] Reference numerals: 1. Frame, 2. Workbench, 3. Lateral displacement assembly, 4. Vertical displacement assembly, 5. Stand, 6. Connecting plate, 7. First camera assembly, 8. Spot welding mechanism, 9. Second camera assembly, 10. Longitudinal displacement assembly, 11. Spot welding stage, 12. Receiving groove, 13. First drive motor, 14. First lead screw, 15. First lead screw nut, 16. Positioning plate, 17. Connecting part, 18. Positioning block, 19. Guide rail, 20. Slider, 21. Cover plate, 22. Through groove, 23. Baffle, 24. Flexible cover, 25. Housing, 26. Lifting drive mechanism, 27. Spot welding head, 28. Receiving cavity, 29. Lifting rod, 30. Cross roller bearing, 31. Side plate, 32. Control button, 33. Display screen, 34. Caster, 35. Foot cup. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0026] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, left, right, front, and back, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features indicated, or implicitly indicating the order of the technical features indicated.

[0028] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0029] like Figures 1-5 As shown in the figure, this utility model embodiment provides a four-axis vision spot welding machine.

[0030] A four-axis vision spot welding machine includes a frame 1, a worktable 2, a lateral displacement component 3, and a vertical displacement component 4. The worktable 2 is located in the middle of the frame 1, and each end of the worktable 2 is provided with a stand 5. The two ends of the lateral displacement component 3 are respectively connected to the tops of the two stands 5. The vertical displacement component 4 is located at the output end of the lateral displacement component 3, and the output end of the vertical displacement component 4 is provided with a connecting plate 6. The front end of the connecting plate 6 is provided with a first camera component 7, the front end of the first camera component 7 is provided with a spot welding mechanism 8, and the front end of the spot welding mechanism 8 is provided with a second camera component 9, which faces the output end of the spot welding mechanism 8. Two longitudinal displacement components 10 are arranged side by side on the worktable 2, and the output end of the longitudinal displacement component 10 is provided with a spot welding stage 11. Both longitudinal displacement components 10 are located between the two stands 5.

[0031] This invention achieves multi-dimensional precise motion control by introducing a lateral displacement component 3, a vertical displacement component 4, and two longitudinal displacement components 10. It also features two spot welding platforms 11, allowing the operator to easily place and remove products from the other platform while working on one, thus improving welding accuracy and efficiency. A first camera component 7 and a second camera component 9 provide a real-time visual feedback mechanism. The first camera component 7 aligns the welding position, while the second camera component 9 monitors the quality of the welding process, helping to prevent problems such as incomplete welds and missed welds.

[0032] In this embodiment, a four-axis vision spot welding machine is described. The bottom of the worktable 2 has two receiving slots 12, and two longitudinal displacement components 10 are respectively installed within the two receiving slots 12. Specifically, the receiving slots 12 at the bottom of the worktable 2 provide installation space for the longitudinal displacement components 10, making the overall structure more compact, reducing the equipment's footprint, and improving space utilization.

[0033] This embodiment describes a four-axis vision spot welding machine. The longitudinal displacement component 10 includes a first drive motor 13, a first lead screw 14, and a first lead screw nut 15. The output end of the first drive motor 13 is connected to the first lead screw 14, and the first lead screw nut 15 is screwed to the first lead screw 14. A positioning plate 16 is provided on the top of the first lead screw nut 15, and connecting portions 17 are provided on both sides of the top of the positioning plate 16. The bottom sides of the spot welding stage 11 are respectively connected to the tops of the two connecting portions 17. Specifically, the longitudinal displacement component 10, with its first drive motor 13, first lead screw 14, and first lead screw nut 15, ensures the smooth movement and precise positioning of the spot welding stage 11, improving the stability and reliability of the welding process.

[0034] In this embodiment, a four-axis vision spot welding machine is described. Positioning blocks 18 are provided on both sides of the receiving groove 12. Guide rails 19 are provided on the top of each positioning block 18, and sliders 20 are provided on both sides of the bottom of the positioning plate 16. The sliders 20 are slidably connected to the guide rails 19. Specifically, the cooperation between the guide rails 19 on the top of the positioning blocks 18 and the sliders 20 on the bottom of the positioning plate 16 further enhances the stability of the spot welding stage 11 during longitudinal displacement, prevents offset, and ensures the accuracy of the welding position.

[0035] This embodiment of a four-axis vision spot welding machine includes a cover plate 21 on the top of the receiving groove 12, through grooves 22 on both sides of the cover plate 21, a connecting part 17 passing through the through grooves 22, baffles 23 at both the front and rear ends of the spot welding stage 11, and flexible covers 24 between the spot welding stage 11 and the two baffles 23, with the flexible covers 24 located on top of the through grooves 22. Specifically, the design of the through grooves 22 on both sides of the cover plate 21 and the use of the flexible covers 24 protect the internal mechanical structure from the influence of the external environment and prevent foreign objects from entering, while also allowing the connecting part 17 to pass freely, ensuring smooth movement and safe operation of the spot welding stage 11.

[0036] This embodiment describes a four-axis vision spot welding machine. The spot welding mechanism 8 includes a housing 25, a lifting drive mechanism 26, and a spot welding head 27. The lifting drive mechanism 26 is located at the top of the housing 25. The housing 25 has an internal cavity 28. A lifting rod 29 is located at the output end of the lifting drive mechanism 26 within the cavity 28. A crossed roller bearing 30 is installed between the lifting rod 29 and the inner wall of the cavity 28. The bottom of the lifting rod 29 is connected to the spot welding head 27. Specifically, the cavity 28 inside the housing 25 of the spot welding mechanism 8, and the use of the crossed roller bearing 30, ensures that the lifting rod 29 maintains high precision and stability during lifting, thereby improving the working efficiency and welding quality of the spot welding head 27.

[0037] This embodiment describes a four-axis vision spot welding machine. The outer side of the housing 25 is provided with two side plates 31, and the second camera assembly 9 is disposed between the two side plates 31. Specifically, the second camera assembly 9, positioned between the two side plates 31, ensures effective monitoring of the output end of the spot welding head 27, provides real-time visual feedback, and helps to adjust welding parameters in a timely manner to ensure welding quality.

[0038] The four-axis vision spot welding machine described in this embodiment has a control button 32 provided on the outer side of the frame 1. Specifically, the control button 32 on the outer side of the frame 1 facilitates manual control by the operator, simplifies the operation process, and improves work efficiency and ease of use.

[0039] The four-axis vision spot welding machine described in this embodiment includes a display screen 33 mounted on the frame 1. Specifically, the display screen 33 on the frame 1 can display welding parameters and status information in real time, facilitating operators to monitor the equipment's operation, promptly identify problems, and make adjustments, thereby improving the equipment's intelligence level.

[0040] The four-axis vision spot welding machine described in this embodiment has multiple casters 34 and feet 35 at the bottom of the frame 1. Specifically, the casters 34 and feet 35 at the bottom of the frame 1 make the equipment easy to move and fix, which not only facilitates the installation and debugging of the equipment, but also improves the adaptability of the equipment in different working environments, and enhances the flexibility and stability of the equipment.

[0041] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A four-axis vision spot welder characterized by: The system includes a frame, a worktable, a lateral displacement assembly, and a vertical displacement assembly. The worktable is located in the middle of the frame, and uprights are provided at both ends of the worktable. The two ends of the lateral displacement assembly are respectively connected to the tops of the two uprights. The vertical displacement assembly is located at the output end of the lateral displacement assembly, and a connecting plate is provided at the output end of the vertical displacement assembly. A first camera assembly is provided at the front end of the connecting plate, a spot welding mechanism is provided at the front end of the first camera assembly, and a second camera assembly is provided at the front end of the spot welding mechanism. The second camera assembly faces the output end of the spot welding mechanism. Two longitudinal displacement assemblies are arranged side by side on the worktable, and a spot welding stage is provided at the output end of the longitudinal displacement assembly. Both longitudinal displacement assemblies are located between the two uprights.

2. The four-axis vision spot welder of claim 1, wherein: The bottom of the worktable has two receiving slots, and two longitudinal displacement components are respectively installed in the two receiving slots.

3. The four-axis vision spot welder of claim 2, wherein: The longitudinal displacement assembly includes a first drive motor, a first lead screw, and a first lead screw nut. The output end of the first drive motor is connected to the first lead screw, and the first lead screw nut is screwed to the first lead screw. A positioning plate is provided on the top of the first lead screw nut, and connecting parts are provided on both sides of the top of the positioning plate. The bottom sides of the spot welding platform are respectively connected to the top of the two connecting parts.

4. The four-axis vision spot welder of claim 3, wherein: Positioning blocks are provided on both sides of the receiving groove, and guide rails are provided on the top of each positioning block. Slider blocks are provided on both sides of the bottom of the positioning plate, and the sliders are slidably connected to the guide rails one by one.

5. The four-axis vision spot welder of claim 3, wherein: The top of the receiving groove is provided with a cover plate, and both sides of the cover plate are provided with through grooves. The connecting part passes through the through grooves. Both the front and rear ends of the spot welding platform are provided with baffles. A flexible cover is provided between the spot welding platform and the two baffles. The flexible cover is located at the top of the through groove.

6. The four-axis vision spot welder of claim 1, wherein: The spot welding mechanism includes a housing, a lifting drive mechanism, and a spot welding head. The lifting drive mechanism is located at the top of the housing. The housing has an internal cavity. The output end of the lifting drive mechanism is provided with a lifting rod, which is located inside the cavity. A cross roller bearing is provided between the lifting rod and the inner wall of the cavity. The bottom of the lifting rod is connected to the spot welding head.

7. The four-axis vision spot welder of claim 6, wherein: The outer side of the housing is provided with two side plates, and the second camera assembly is disposed between the two side plates.

8. The four-axis vision spot welder of claim 1, wherein: Control buttons are located on the outside of the frame.

9. The four-axis vision spot welder of claim 1, wherein: A display screen is installed on the rack.

10. The four-axis vision spot welder of claim 1, wherein: The bottom of the frame is equipped with multiple casters and feet.

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