Robot high-frequency welding machine based on infrared temperature control visual positioning

The high-frequency welding machine with infrared temperature control and visual positioning solves the problems of low welding continuity and efficiency, inaccurate weld joint positioning, and temperature control in single-station robotic welding machines, achieving efficient and precise welding process control and quality assurance.

CN223629656UActive Publication Date: 2025-12-05ZHENGZHOU DAQING AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202423177530.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-05
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing single-station robotic high-frequency welding machines suffer from problems such as low welding continuity and efficiency, inaccurate weld joint positioning, and inability to control and observe temperature in real time, resulting in unstable welding quality.

Method used

The robot high-frequency welding machine adopts infrared temperature control and visual positioning. It achieves flexible movement and precise positioning in three-dimensional space through the robotic arm. It integrates a high-frequency heating unit for rapid and uniform heating. Combined with temperature measurement and monitoring components, it enables real-time temperature monitoring and visualization of the welding process. The adjustment component ensures that the weld joint always faces upwards. The modular design of the fixture improves versatility.

Benefits of technology

It improves welding efficiency and precision, enables visualization and controllability of the welding process, ensures welding quality and safety, and enhances the flexibility and applicability of the equipment.

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Patent Text Reader

Abstract

A robot high-frequency welding machine based on infrared temperature control visual positioning comprises a base, a mechanical arm is arranged at the top of the base, a high-frequency heating all-in-one machine is arranged on the left side of the base, a connecting frame is arranged at the bottom of the mechanical arm, and a high-frequency coaxial transformer is arranged in the connecting frame; the rear side of the high-frequency coaxial transformer is provided with a high-frequency heating induction coil, the left side of the high-frequency heating induction coil is provided with a temperature measuring assembly, the right side of the connecting frame is provided with a monitoring assembly, the rear side and the right side of the base are each provided with a positioner, and the top of each positioner is provided with an adjusting assembly. A machine table control cabinet is arranged on the rear side of the high-frequency heating all-in-one machine, a connecting disc is arranged on the top of the adjusting assembly, a clamp is arranged on the top of the connecting disc, and the problems that due to the fact that a conventional high-frequency welding machine is generally of a single station, welding continuity and efficiency are limited, and real-time temperature control and observation of a welding part cannot be achieved are effectively solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to high -frequency welding machine technical field especially is involved in a kind of robot high-frequency welding machine based on infrared temperature control visual positioning. BACKGROUND

[0002] In the current industrial automation field, welding technology as one of the key processes, its efficiency and precision directly affect the quality of product and production cost, however, traditional welding method, especially based on single station robot high-frequency welding machine, there are many technical bottlenecks, limit its wide application and efficiency improvement.

[0003] First, single station design makes robot after completing once welding, need to wait for workpiece repositioning and loading, this greatly limits the continuity and efficiency of welding, especially in high-frequency welding, since welding speed is fast, heat is concentrated, the positioning and loading precision of workpiece is extremely high, single station design undoubtedly increases the complexity and time cost of operation.

[0004] Second, existing robot in welding process, welding piece's weld always cannot be guaranteed to be upwards, this not only affects welding quality, also can lead to uneven weld, welding strength drops etc.

[0005] Third, inaccurate positioning is also a big challenge that current robot high-frequency welding machine faces, since workpiece thermal deformation, vibration etc.

[0006] In addition, existing technology also cannot realize real-time temperature control and observation to welding position, in high-frequency welding, the temperature of welding area rapidly rises, has crucial influence to welding quality and workpiece performance, however, since lack effective temperature control means, existing robot often cannot monitor and adjust welding temperature in real time, lead to unstable welding quality, simultaneously, since the strong arc light and spatter produced in welding process, pose serious threat to observer's eyes, limit the possibility of manual monitoring. INVENTION CONTENTS

[0007] In view of the above situation, to overcome the defects of prior art, the utility model provides a kind of robot high-frequency welding machine based on infrared temperature control visual positioning, through the design effective solution conventional high-frequency welding machine generally is single station and limits the continuity and efficiency of welding, in welding process, welding piece's weld always cannot be guaranteed to be upwards, inaccurate positioning, this not only affects welding quality, cannot realize real-time temperature control and observation to welding position problem.

[0008] To achieve the above object, the utility model provides the following technical scheme:

[0009] The utility model discloses a base is provided with mechanical arm on the top, is provided with high -frequency heating all -in -one on the left side of base, is provided with connecting frame on the bottom of mechanical arm, is provided with high -frequency coaxial transformer in the inside of connecting frame, is provided with high -frequency heating induction coil on the rear side of high -frequency coaxial transformer, is provided with temperature measurement subassembly on the left side of high -frequency heating induction coil, is provided with monitoring subassembly on the right side of connecting frame, is provided with a positioner respectively on the rear side and right side of base, is provided with adjusting assembly on the top of positioner, is provided with machine table control cabinet on the rear side of high -frequency heating all -in -one, is provided with connecting disc on the top of adjusting assembly, is provided with clamp on the top of connecting disc.

[0010] Preferably, the high-frequency heating all-in-one, machine table control cabinet, positioner and mechanical arm are provided with a fence on the outside, the bottom of the fence is connected with the ground, and the outside of the fence is provided with a robot host.

[0011] Preferably, the temperature measurement subassembly includes an infrared probe, the end of the infrared probe extends into the high-frequency heating induction coil, and the front end of the infrared probe is connected with the connecting frame.

[0012] Preferably, the monitoring subassembly includes a connecting plate, the inside of the connecting plate is connected with the connecting frame, the top front end of the connecting plate is provided with a camera, the rear side of the connecting plate is provided with a light source, and the middle of the light source is provided with a through hole.

[0013] Preferably, the adjusting assembly includes a support plate, the left and right ends of the support plate are rotatably connected with the positioner, the support plate is rotatably connected with the connecting disc, the bottom of the support plate is provided with a protective shell, the inside of the protective shell is provided with a servo motor, and the top of the servo motor is connected with the connecting disc.

[0014] Preferably, the left side of the positioner is provided with a shell, the inside of the shell is provided with a servo motor, and the right side of the servo motor is connected with the left side of the support plate.

[0015] Preferably, the top of the clamp is provided with a corner cylinder.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The mechanical arm realizes flexible movement and accurate positioning in three-dimensional space through a precise motor driving system, improves processing efficiency and precision, the high-frequency heating all-in-one machine integrates high-frequency power supply and heating control functions, can efficiently convert electric energy into high-frequency heat energy, realizes rapid and uniform heating of metal materials, the temperature measuring assembly can monitor the temperature change in the heating process in real time and accurately, ensures the processing precision and safety, the control system automatically adjusts the output power of the high-frequency heating power supply and the heating time according to the preset temperature range and time limit, realizes the temperature control + time mixed control mode, which not only ensures the accurate control of the heating temperature, but also realizes the strict management of the heating time, the adjusting assembly can realize accurate adjustment of the workpiece in the horizontal plane and the vertical direction, enhances the processing flexibility and application range of the equipment, the clamps at the top adopt modular design, can be quickly replaced according to the shape and size of different workpieces, improves the universality and processing efficiency of the equipment, and the monitoring assembly comprehensively monitors the processing process, improves the visualization and controllability of the processing process. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model.

[0019] Figure 2 It is a device placement position schematic view of the utility model.

[0020] Figure 3 It is a positioner and connecting disc cooperation structure schematic view of the utility model.

[0021] Figure 4 It is a mechanical arm and high-frequency coaxial transformer cooperation structure schematic view of the utility model.

[0022] Figure 5 It is a high-frequency heating induction coil and infrared probe cooperation structure schematic view of the utility model.

[0023] Figure 6 It is a clamp and corner cylinder cooperation structure schematic view of the utility model.

[0024] Reference signs in the drawing: 1, fence; 2, positioner; 3, robot host computer; 4, high-frequency heating all-in-one machine; 5, machine table control cabinet; 6, shell; 7, support plate; 8, protective shell; 9, connecting disc; 10, base; 11, mechanical arm; 12, connecting frame; 13, camera; 14, connecting plate; 15, light source; 16, high-frequency coaxial transformer; 17, high-frequency heating induction coil; 18, infrared probe; 19, clamp; 20, corner cylinder. DETAILED DESCRIPTION

[0025] The specific embodiment of the utility model is further explained in detail below. Figures 1-6

[0026] ​The utility model discloses a base 10 is equipped with mechanical arm 11 on the top of base 10, this base 10 is as the support basis of whole mechanical arm 11, has guaranteed the stability and durability of equipment when working, this mechanical arm 11 passes through the accurate motor drive system, can realize the nimble movement and accurate positioning in three -dimensional space to satisfy the processing demand of different workpieces, the left side of base 10 is equipped with high -frequency heating all -in -one 4, high -frequency heating all -in -one 4 has integrated high -frequency power supply and heating control function, can efficiently convert electric energy into high -frequency heat energy, realizes the quick, even heating of metal material. High -frequency heating all -in -one 4 adopts the advanced power regulation technique, can accurately adjust output power according to the processing demand, has guaranteed the heating efficiency, avoided the material performance decline caused by excessive heating again, the bottom of mechanical arm 11 is equipped with connecting frame 12, and connecting frame 12 is firm in structure, the inside of connecting frame 12 is equipped with high -frequency coaxial transformer 16, the rear side of high -frequency coaxial transformer 16 is equipped with high -frequency heating induction coil 17, and high -frequency coaxial transformer 16 is as the key component of energy transmission, can effectively reduce the loss in energy transmission process, ensures that high -frequency heat energy is stably, efficiently transferred to high -frequency heating induction coil 17, through electromagnetic induction principle, directly acts on the high -frequency heat energy of the workpiece to be processed of metal, realizes quick heating, the left side of high -frequency heating induction coil 17 is equipped with temperature measuring component, in order to real -time monitoring the temperature change in the heating process, ensures the processing accuracy and safety, and a set of temperature measuring component is especially installed on the left side of high -frequency heating induction coil 17, can rapidly, accurately capture the temperature change of workpiece surface, and the data is fed back to control system, so as to adjust heating parameter in time, the right side of connecting frame 12 is equipped with monitoring component, carries out overall monitoring to the processing process, ensures that every step operation is in the predetermined range, improves the visualization and controllability of processing process, the rear side and the right side of base 10 are equipped with a positioner 2 respectively, and the positioner 2 is the fixed basis of support plate 7, is also the work platform of whole welding operation. It has enough strength and stability to withstand the vibration and impact force generated in the welding process. The positioner 2 is also provided with a clamp 19 or a positioning device for fixing the welding workpiece to ensure the accuracy and stability of the welding process. The top of the positioner 2 is provided with an adjusting assembly. Each positioner 2 is provided with an adjusting assembly on the top. The adjusting assembly accurately adjusts the workpiece in the horizontal plane and the vertical direction, further enhancing the processing flexibility and application range of the equipment, ensuring that the welding opening of the welded part is always upward. The rear side of the high -frequency heating all -in -one 4 is provided with a machine table control cabinet 5. The control cabinet integrates the electrical control and data processing system of the positioner 2. The top of the adjusting assembly is provided with a connecting disc 9. The top of the connecting disc 9 is provided with a clamp 19. The connecting disc 9 is made of high -strength material and has good wear resistance and corrosion resistance after special treatment. A set of precision clamp 19 is installed on the top of the connecting disc 9. The clamp 19 is designed in a modular manner and can be quickly replaced according to the shape and size of different workpieces, greatly improving the versatility and processing efficiency of the equipment.

[0027] The outer side of the high-frequency heating all-in-one machine 4, the machine table control cabinet 5, the positioner 2 and the mechanical arm 11 is provided with the fence 1, the bottom of the fence 1 is connected with the ground, the fence 1 is made of high-strength steel material, and the surface is treated by anti-rust treatment, which can not only effectively resist the collision and wear in daily use, but also ensure the long-term service life of the fence 1. The fence 1 is designed in consideration of the principle of ergonomics, and the height is moderate, which can effectively block the operator from touching the high-temperature area or the mechanical moving parts, and also does not hinder the operator from observing and adjusting the inside of the equipment when necessary. The outer side of the fence 1 is provided with the robot host 3, which is the core controller of the entire automatic processing system and is responsible for receiving instructions from the operation interface. The robot host 3 adopts an advanced embedded system and integrates powerful data processing and logical judgment capabilities, can analyze various data in the processing process in real time, and automatically adjust the processing parameters according to the preset algorithm to realize intelligent processing.

[0028] The temperature measuring assembly includes an infrared probe 18, the end of which extends into the high-frequency heating induction coil 17, and the front end of the infrared probe 18 is connected with the connecting frame 12. The infrared probe 18 can measure the temperature inside the high-frequency heating induction coil 17 in real time and non-contact mode. The end of the infrared probe 18 is specially designed to safely and stably extend into the induction coil, ensuring the accuracy of temperature measurement, and then corresponding to different modes of the adjusting device.

[0029] In the temperature control mode, the control system automatically adjusts the output power of the high-frequency heating power supply according to the preset temperature range to realize accurate temperature control. When the infrared probe 18 detects that the temperature inside the induction coil is lower than the set value, the control system will increase the output power to increase the heating speed. Conversely, when the temperature exceeds the set value, the output power will be reduced to avoid overheating. In this mode, the system continuously monitors the temperature and feedbacks the adjustment to generate a smooth heating curve, ensuring that the heating process is fast and stable. At the same time, the system also has a self-adaptive learning function, which can continuously optimize the temperature control strategy according to historical heating data to improve the heating efficiency.

[0030] The time mode pays more attention to the accurate control of the heating and welding time. In this mode, the operator only needs to set the required heating time, and the control system will start the high-frequency heating power supply and heat according to the set time. Regardless of the change of the temperature inside the induction coil, the system will not actively adjust the output power until it automatically stops after reaching the set heating time. This mode is suitable for application scenarios that have strict requirements on heating time but do not have high requirements on temperature control accuracy.

[0031] The temperature control + time mixed control mode combines the advantages of the previous two modes, both ensuring accurate control of the heating temperature and strict management of the heating time, in this mode, the control system will adjust the output power of the high-frequency heating power supply and the heating time according to the preset temperature range and time limit, when the temperature reaches the set range, even if the heating time is not up, the system will automatically reduce the output power or stop heating to avoid overheating; Similarly, when the heating time reaches the set value, even if the temperature has not reached the preset range, the system will stop heating to ensure the safety and stability of the heating process.

[0032] The monitoring assembly includes a connecting plate 14, the inner side of the connecting plate 14 is connected with the connecting frame 12, the connecting plate 14 is made of high-strength and corrosion-resistant material to ensure its long-term stability and durability, the top front end of the connecting plate 14 is provided with a camera 13, the camera 13 is used to capture real-time images of the welding area, the camera 13 has high resolution, high sensitivity and wide viewing angle, which can clearly display the details of the welded joint, including the width, height, shape of the weld and whether there are defects, etc., the camera 13 is also equipped with advanced image processing algorithms, which can automatically analyze the images of the welding area and identify and mark potential welding defects. This real-time feedback mechanism helps operators adjust welding parameters in a timely manner and improves welding quality, the rear side of the connecting plate 14 is provided with a light source 15, the rear side of the connecting plate 14 is provided with a high-strength light source 15 for illuminating the welding area, the light source 15 adopts adjustable brightness design, which can be flexibly adjusted according to the lighting conditions of the welding environment, this design ensures that the camera 13 can capture clear and bright images, even in dark or complex welding environments, it can maintain good visibility, the middle of the light source 15 is provided with a through hole, the middle of the light source 15 is provided with a through hole, this design not only reduces the weight of the light source 15, but also facilitates the camera 13 to shoot the welding area from the rear, the existence of the through hole makes the camera 13 can capture more realistic and three-dimensional welding images, which helps to improve the accuracy of welding quality assessment.

[0033] The adjusting assembly comprises a support plate 7, the left and right ends of the support plate 7 are rotationally connected with the positioner 2, the support plate 7 is made of high-strength and corrosion-resistant material, so that the long-term stability and bearing capacity of the support plate 7 are ensured, the left and right ends of the support plate 7 are connected with the positioner 2 through precise rotary connecting pieces, so that the support plate 7 can rotate by a certain angle in the horizontal plane, the support plate 7 is rotationally connected with the connecting disc 9, the bottom of the support plate 7 is provided with a protective shell 8, the inside of the protective shell 8 is provided with a servo motor, the top of the servo motor is connected with the connecting disc 9, the rotation of the servo motor in the protective shell 8 can drive the connecting disc 9 at the top to rotate, the left side of the positioner 2 is provided with a shell 6, the inside of the shell 6 is provided with a servo motor, the right side of the servo motor is connected with the left side of the support plate 7, the rotation of the servo motor in the shell 6 can drive the support plate 7 to rotate in a circle and drive the connecting disc 9 to move in a circle, so that the workpiece at the top of the connecting disc 9 can be adjusted at multiple angles during welding, the welding angle and position are optimized, the welding opening of the welding area can always face upwards, and the welding operation is facilitated.

[0034] The top of the clamp 19 is provided with a corner cylinder 20 at each corner, the workpiece on the surface of the clamp 19 can be clamped through the corner cylinder 20, the clamp 19 adopts modular design, and can be quickly replaced according to the shape and size of different workpieces, so that the universality and machining efficiency of the equipment are greatly improved.

[0035] When the utility model is used, the mechanical arm 11 realizes flexible movement and accurate positioning in three-dimensional space through a precise motor driving system, improves machining efficiency and precision, the high-frequency heating all-in-one machine 4 integrates high-frequency power supply and heating control functions, can efficiently convert electric energy into high-frequency heat energy, realizes rapid and uniform heating of metal materials, the temperature measuring assembly can monitor temperature change in the heating process in real time and accurately, ensures machining precision and safety, the control system automatically adjusts the output power of the high-frequency heating power supply and the heating time according to the preset temperature range and time limit, realizes temperature control + time mixed control mode, guarantees accurate control of heating temperature and realizes strict management of heating time, the adjusting assembly can realize accurate adjustment of the workpiece in the horizontal plane and the vertical direction, enhances the machining flexibility and application range of the equipment, the clamp 19 at the top adopts modular design, can be quickly replaced according to the shape and size of different workpieces, improves the universality and machining efficiency of the equipment, and the monitoring assembly comprehensively monitors the machining process, improves the visualization and controllability of the machining process.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A robot high-frequency welding machine based on infrared temperature control visual positioning, comprising a base (10), characterized in that, The top of the base (10) is provided with a mechanical arm (11), the left side of the base (10) is provided with a high-frequency heating all-in-one machine (4), the bottom of the mechanical arm (11) is provided with a connecting frame (12), the inside of the connecting frame (12) is provided with a high-frequency coaxial transformer (16), the rear side of the high-frequency coaxial transformer (16) is provided with a high-frequency heating induction coil (17), the left side of the high-frequency heating induction coil (17) is provided with a temperature measuring assembly, the right side of the connecting frame (12) is provided with a monitoring assembly, the rear side and the right side of the base (10) are respectively provided with a positioner (2), the top of the positioner (2) is provided with an adjusting assembly, the rear side of the high-frequency heating all-in-one machine (4) is provided with a machine table control cabinet (5), the top of the adjusting assembly is provided with a connecting disc (9), and the top of the connecting disc (9) is provided with a clamp (19).

2. The robot high-frequency welding machine based on infrared temperature control visual positioning according to claim 1, characterized in that, The outer sides of the high-frequency heating all-in-one machine (4), the machine table control cabinet (5), the positioner (2) and the mechanical arm (11) are provided with a fence (1), the bottom of the fence (1) is connected with the ground, and the outer side of the fence (1) is provided with a robot host (3).

3. The robot high-frequency welding machine based on infrared temperature control visual positioning according to claim 1, characterized in that, The temperature measuring assembly comprises an infrared probe (18), the infrared probe (18) extends into the high-frequency heating induction coil (17), and the front end of the infrared probe (18) is connected with the connecting frame (12).

4. The robot high-frequency welding machine based on infrared temperature control visual positioning according to claim 1, characterized in that, The monitoring assembly comprises a connecting plate (14), the inner side of the connecting plate (14) is connected with the connecting frame (12), the top front end of the connecting plate (14) is provided with a camera (13), the rear side of the connecting plate (14) is provided with a light source (15), and the middle part of the light source (15) is provided with a through hole.

5. The robot high-frequency welding machine based on infrared temperature control visual positioning according to claim 1, characterized in that, The adjusting assembly comprises a supporting plate (7), the left and right ends of the supporting plate (7) are rotatably connected with the positioner (2), the supporting plate (7) is rotatably connected with the connecting disc (9), the bottom of the supporting plate (7) is provided with a protective shell (8), the inside of the protective shell (8) is provided with a servo motor, and the top of the servo motor is connected with the connecting disc (9).

6. The robot high-frequency welding machine based on infrared temperature control visual positioning according to claim 5, characterized in that, The left side of the positioner (2) is provided with a shell (6), the inside of the shell (6) is provided with a servo motor, and the right side of the servo motor is connected with the left side of the supporting plate (7).

7. The robot high-frequency welding machine based on infrared temperature control visual positioning according to claim 1, characterized in that, The top of the clamp (19) is provided with a corner cylinder (20).