Image acquisition and detection device and system for welding position

Abstract

The invention discloses an image acquisition and detection device and system for a welding position, the image acquisition and detection device comprises a welding device connecting rod and an image acquisition and detection probe, the bottom of the welding device connecting rod is provided with a mounting turntable, the mounting turntable is provided with a support frame, the support frame is provided with a transmission shaft, and the bottom of the transmission shaft is provided with a driving gear; a driven gear is rotationally connected to the mounting turntable, the driven gear is meshed with the driving gear, an annular groove is formed in the mounting turntable, and the bottom of the driven gear penetrates through the annular groove and is provided with a connecting block; through the design of the vibration reduction assembly and the air bag system, the influence of vibration generated in the welding process on the image collection probe is effectively reduced, it is ensured that collected images are clear and stable, the accuracy of welding quality monitoring is improved, and the design of the air blowing assembly comprises a filter screen and a miniature vacuum pump; dust and splashes generated in the welding process can be filtered and blown away, the pollutants are prevented from being attached to the mirror face, and the definition of image collection is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of detection, in particular to an image acquisition detection device and system for a welding position. BACKGROUND

[0002] Welding technology is one of the important processes for connecting metals or other materials, and is widely used in many fields such as aviation, aerospace, automobile, building, ship, etc. The welding quality is directly related to the structural strength, safety and service life of the product. In the welding operation process, due to the influence of factors such as welding material, pipe wall thickness, welding material, and flux, defects such as incomplete penetration, incomplete fusion, and incomplete penetration may occur. By using a high-resolution image acquisition detection probe to collect images during the welding process, the formation of the weld and the change of the molten pool can be clearly observed, and the welding work can be adjusted.

[0003] In the prior art, an image acquisition detection device is usually used for a welding position. If there are water droplets remaining on the mirror surface of the image acquisition detection device, or if smoke and splashes during the welding process adhere to the mirror surface, optical refraction will occur when the image acquisition detection device observes the workpiece, resulting in visual deviation and precision deviation, thereby affecting the precision of the image acquisition detection device. SUMMARY

[0004] The purpose of the present application is to provide an image acquisition detection device and system for a welding position to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: an image acquisition detection device for a welding position, comprising a welding device connecting rod and an image acquisition detection probe, the bottom of the welding device connecting rod is provided with a mounting turntable, the mounting turntable is provided with a support frame, the support frame is provided with a transmission shaft, the bottom of the transmission shaft is provided with a driving gear, the mounting turntable is rotatably connected with a driven gear, the driven gear and the driving gear are meshed with each other, the mounting turntable is provided with an annular groove, the bottom of the driven gear penetrates through the annular groove and is provided with a connecting block, one side of the connecting block is provided with a fixed block, the fixed block is provided with a driving motor, the output end of the driving motor is provided with a mounting seat, the mounting seat is provided with a vibration damping assembly for easy adjustment, the front side of the image acquisition detection probe is provided with a mirror surface, one side of the image acquisition detection probe is provided with a limiting groove, and the mounting seat is provided with a gas blowing assembly for easy wind direction adjustment.

[0006] Preferably, the support frame is in a " " type structure, and both ends are fixedly connected to the mounting turntable, the image acquisition detection probe is overlapped in the groove of the mounting seat, and the mirror surface of the image acquisition detection probe faces the welding position.

[0007] Preferably, the damping assembly comprises a fixing seat fixedly connected on one side of the fixing block, the fixing seat is provided with a containing groove, the containing groove is provided with a mounting plate at the opening, the mounting plate is slidably connected with a top block, the top block is in a T-shaped block structure, and the end is abutted on the bottom of the mounting seat, a first air bag is arranged between the top block and the containing groove, and one end of the first air bag is provided with a communication pipe.

[0008] Preferably, the mounting seat is provided with a supporting seat, one side of the supporting seat is provided with a limiting seat, the limiting seat is in a U-shaped structure, and the two ends are respectively limited on the two sides of the image acquisition and detection probe.

[0009] Preferably, the supporting seat is provided with a containing groove, the containing groove is provided with a fixing block at the opening, the containing groove is slidably connected with an abutting block, one side of the abutting block is provided with a second air bag, one end of the communication pipe penetrates through the fixing block and the abutting block and is fixedly communicated with the second air bag.

[0010] Preferably, one side of the second air bag is provided with a supporting block, the supporting block is slidably connected in the containing groove, one side of the supporting block is provided with a connecting rod, one end of the connecting rod penetrates through one side of the limiting seat and is provided with a limiting block, the limiting block is in a T-shaped structure, and the end is connected in the limiting groove, and a return spring is arranged on the connecting rod between the supporting block and one side of the limiting seat.

[0011] Preferably, the air blowing assembly comprises a flow guide pipe, the flow guide pipe is in a long tubular structure, one end of the flow guide pipe is provided with a filter screen, one end of the flow guide pipe extends to the welding position, and the other end of the flow guide pipe faces the mirror surface.

[0012] Preferably, the flow guide pipe is provided with a micro vacuum pump, one side of the flow guide pipe is provided with a wind guide pipe, the other end of the wind guide pipe penetrates through the fixing block and extends into the containing groove, the other end of the flow guide pipe is provided with a wind guide ring, and the opening of the wind guide ring is provided with a groove.

[0013] Preferably, the groove is slidably connected with a stop block, an abutting spring is arranged between one side of the stop block and the groove, the other opening of the groove is provided with a micropore block, and a third air bag is arranged between the micropore block and the stop block in the groove.

[0014] A system of an image acquisition and detection device for a welding position, which is applied to an image acquisition and detection device for a welding position, and comprises a control module, an image acquisition and detection device, an image processing module and an output module. The specific working method of the system comprises the following steps: S1: The image acquisition and detection device acquires images of the welding position in real time; S2: The image data is transmitted to the image processing module for preprocessing, feature extraction and image recognition; S3: The image processing module sends the recognition result to the control module; S4: The control module analyzes and decides according to the recognition result, and generates a control instruction; S5: The control instruction is sent to the welding equipment through wireless connection; S6: The output module displays the welding quality analysis result in real time, and issues an alarm when a problem occurs; S7: The data and images of the whole process are stored in a database for subsequent analysis.

[0015] Compared with the prior art, the beneficial effects of the present application are: 1. The present application effectively reduces the influence of vibration generated during the welding process on the image acquisition probe through the design of the damping assembly and the air bag system, ensuring that the collected images are clear and stable, which is conducive to improving the accuracy of welding quality monitoring. The design of the air blowing assembly, including the filter screen and the miniature vacuum pump, can filter and blow away dust and splashes generated during the welding process, preventing these pollutants from adhering to the mirror surface and ensuring the clarity of image acquisition.

[0016] 2. The present application can adjust the wind force through the design of the air guide ring and the third air bag, prevent the wind force from causing damage to the mirror surface, and uniformly disperse the airflow to reduce the formation of water droplets, protect the mirror surface, and prolong the service life of the equipment. The driving motor drives the mounting seat and the image acquisition detection probe to rotate, which can accurately adjust the orientation of the probe to align with the welding position, thereby accurately collecting the welding image.

[0017] 3. The present application enhances the structural strength and stability of the entire device through the design of the support frame and the fixing block, so that the device remains stable in complex and variable working environments and is not easily displaced by external factors. The motor, air bag and other components can be selected and replaced according to actual working conditions, so that the device can adapt to different welding environments and requirements, and has good modular design. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of the image acquisition detection device for the welding position of the present application.

[0019] Figure 2 The structure diagram of the bottom of the mounting turntable of the present application.

[0020] Figure 3 The structure diagram of the air blowing assembly of the present application.

[0021] Figure 4 The sectional view of the fixing seat of the present application.

[0022] Figure 5 The structure diagram of the present application Figure 4 enlarged structure diagram of A.

[0023] Figure 6 It is the sectional view of the support seat of the application.

[0024] Figure 7 It is the structural schematic view of the application Figure 6 It is the structural schematic view of the application

[0025] Figure 8 It is the structural schematic view of the end of the flow guide pipe of the application.

[0026] Figure 9 It is the structural schematic view of the application Figure 8 It is the structural schematic view of the application

[0027] Figure 10 It is the structural schematic view of the support seat of the application.

[0028] Figure 11 It is the structural schematic view of the image acquisition detection probe of the application.

[0029] In the figure: mounting turntable 1; support seat 11; limiting seat 12; connecting rod 13; limiting block 14; fixed block 15; abutting block 16; second air bag 17; support block 18; reset spring 19; welding device connecting rod 2; support frame 3; transmission shaft 31; driving gear 32; driven gear 4; connecting block 5; mounting seat 6; image acquisition detection probe 7; mirror surface 71; limiting groove 72; flow guide pipe 8; filter screen 81; miniature vacuum pump 82; air duct 83; air guide ring 84; groove 85; stop block 86; abutting spring 87; third air bag 88; microporous block 89; fixed block 9; driving motor 91; fixed seat 10; mounting plate 101; top block 102; first air bag 103; communication pipe 104. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0031] Please refer to Figure 1 It is the structural schematic view of the image acquisition detection device for the welding position of the application, and the application provides a technical solution: an image acquisition detection device for a welding position, comprising a welding device connecting rod 2 and an image acquisition detection probe 7, the bottom of the welding device connecting rod 2 is fixedly connected with a mounting turntable 1, and the bottom of the welding device connecting rod 2 is provided with a welding head, the mounting turntable 1 provides a basic fixed and rotating platform, so that the whole image acquisition detection device can rotate around the welding point, thereby adapting to different welding positions at different angles.

[0032] The support frame 3 is fixedly connected on the installation turntable 1, the transmission shaft 31 is rotatably connected on the support frame 3 through a bearing, one end of the transmission shaft 31 is fixedly connected with a motor, the model of the motor can be selected according to the actual working condition, the support frame 3 is a " " type structure, and both ends are fixedly connected on the installation turntable 1, the support frame 3 enhances the stability of the device, and simultaneously provides support for the transmission shaft 31 and the motor.

[0033] Figure 2 It is the structural schematic view of the bottom of the installation turntable, the bottom of the transmission shaft 31 is fixedly sleeved with a driving gear 32, the installation turntable 1 is rotatably connected with a driven gear 4, the driven gear 4 and the driving gear 32 are meshed with each other, the installation turntable 1 is provided with an annular groove, the bottom of the driven gear 4 penetrates the annular groove and is fixedly connected with a connecting block 5, one side of the connecting block 5 is fixedly connected with a fixed block 9, the fixed block 9 is provided with a driving motor 91, and the model of the driving motor 91 can be selected according to the actual working condition.

[0034] The motor drives the transmission shaft 31 to rotate, and through the meshing of the driving gear 32 and the driven gear 4, the rotating power is transmitted to the connecting block 5 and the fixed block 9, so that the whole image acquisition detection device on the installation turntable 1 is driven to rotate.

[0035] Figure 11 It is the structural schematic view of the image acquisition detection probe, the output end of the driving motor 91 is fixedly connected with a mounting seat 6, the image acquisition detection probe 7 is overlapped in the groove body of the mounting seat 6, the mounting seat 6 is provided with a damping assembly convenient for adjusting, the front side of the image acquisition detection probe 7 is provided with a mirror surface 71, and the mirror surface 71 of the image acquisition detection probe 7 faces the welding position.

[0036] Figure 4 It is the sectional view of the fixed seat, Figure 5 It is the structural schematic view of the fixed seat, Figure 4 The side of the image acquisition detection probe 7 is provided with a limiting groove 72, the damping assembly comprises a fixed seat 10, the fixed seat 10 is fixedly connected on one side of the fixed block 9, the fixed seat 10 is provided with an accommodating groove, the opening of the accommodating groove is fixedly connected with a mounting plate 101 through a screw, the mounting plate 101 is slidably inserted with a top block 102, the top block 102 is a " T " type block structure, and the end portion is abutted on the bottom of the mounting seat 6.

[0037] Figure 10As shown in the structural schematic view of the support seat of the present application, the first air bag 103 is bonded between the top block 102 and the accommodating groove, the first air bag 103 is made of rubber material and is filled with inert gas with certain pressure, one end of the first air bag 103 is fixedly connected with the communicating pipe 104, the mounting seat 6 is fixedly connected with the support seat 11, one side of the support seat 11 is fixedly connected with the limiting seat 12, the limiting seat 12 is in the shape of a Chinese character "fang", and both ends are respectively limited on both sides of the image acquisition and detection probe 7, and the limiting seat 12 is used for limiting the transverse movement of the image acquisition and detection probe 7.

[0038] Figure 6 As shown in the sectional view of the support seat of the present application, Figure 7 As shown in the structural schematic view of the support seat of the present application, Figure 6 As shown in the structural schematic view of the support seat of the present application,

[0039] One side of the support block 18 is fixedly connected with the connecting rod 13, one end of the connecting rod 13 penetrates through one side of the limiting seat 12 and is fixedly connected with the limiting block 14, the limiting block 14 is in the shape of a Chinese character "T", and the end is inserted into the limiting groove 72, the reset spring 19 is fixedly connected on the connecting rod 13 between the support block 18 and one side of the limiting seat 12, the expansion force of the first air bag 103 and the second air bag 17 is greater than the elastic force of the reset spring 19, the model of the first air bag 103 and the second air bag 17 can be selected according to the actual working condition, the first air bag 103 and the second air bag 17 are connected through the communicating pipe 104 and jointly absorb the vibration.

[0040] When the image acquisition and detection probe 7 needs to be adjusted to the image that can be collected at the welding position, the driving motor 91 needs to be started to drive the mounting seat 6 and the image acquisition and detection probe 7 to rotate downward to the direction that can collect the welding position, at this time, the mounting seat 6 rotates downward, thereby extruding the top block 102, the top block 102 moves downward under pressure to compress the first air bag 103, the gas in the first air bag 103 is transmitted to the second air bag 17 through the communicating pipe 104, the second air bag 17 expands to push the movement of the support block 18, so that the end of the limiting block 14 is more closely inserted into the limiting groove 72, and the influence of vibration on the probe 7 is absorbed and reduced.

[0041] The mounting seat 6 is provided with a gas blowing assembly for conveniently guiding and adjusting the wind, the gas blowing assembly comprises a flow guide pipe 8, the flow guide pipe 8 is in the shape of a long pipe, and one end is fixedly installed with a filter screen 81, the filter screen 81 is used for filtering dust and other particles in the airflow, and protecting the vacuum pump 82 and the mirror surface 71.

[0042] Figure 3 As a schematic view of the structure of the air blowing assembly of the present application, one end of the flow guide pipe 8 extends to the welding position, the other end of the flow guide pipe 8 is directed towards the mirror surface 71, a micro vacuum pump 82 is mounted on the flow guide pipe 8, the micro vacuum pump 82 is a common device in the prior art, and the principle thereof will not be described again, the micro vacuum pump 82 is used to generate air flow, and clean air is blown towards the mirror surface 71 through the flow guide pipe 8 to prevent pollutants from adhering during the welding process.

[0043] One side of the flow guide pipe 8 is fixedly connected with a wind guide pipe 83, the other end of the wind guide pipe 83 extends into the receiving groove through the fixed block 15, and the other end of the flow guide pipe 8 is fixedly connected with a wind guide ring 84, and the wind guide ring 84 is used to disperse the air flow and blow it uniformly to the mirror surface 71.

[0044] During the welding process, the micro vacuum pump 82 is started to generate air flow through the flow guide pipe 8, the air flow first passes through the filter screen 81 to filter out dust and particles, and then enters the wind guide ring 84 through the wind guide pipe 83, and the design of the wind guide ring 84 enables the air flow to be blown uniformly to the mirror surface 71, thereby preventing smoke and splashes from adhering to the mirror surface during the welding process.

[0045] Figure 8 As a schematic view of the structure of the end of the flow guide pipe of the present application, Figure 9 As a schematic view of the structure of the end of the flow guide pipe of the present application, Figure 8 As a schematic view of the structure of the end of the flow guide pipe of the present application,

[0046] The abutting spring 87 provides a restoring force, so that the block 86 can return to the initial position when the wind force is reduced, the opening of the wind guide ring 84 is kept unobstructed, the other opening of the groove 85 is fixedly connected with a micropore block 89, the wind force is allowed to pass through the micropores to blow towards the third air bag 88, the design of the micropores helps to uniformly disperse the wind force and avoid excessive local pressure on the third air bag 88, and the third air bag 88 is bonded between the micropore block 89 and the block 86 in the groove 85.

[0047] When the air flow generated by the micro vacuum pump 82 enters the wind guide ring 84 through the wind guide pipe 83, part of the air flow enters the groove 85 through the micropores of the micropore block 89 and acts on the surface of the third air bag 88, under normal wind force, the air flow pressure is small and insufficient to significantly compress the third air bag 88, and the block 86 is kept in the retracted state under the action of the abutting spring 87, and the air outlet is completely open.

[0048] When the wind force abnormally increases, the airflow pressure rises, the third air bag 88 is pressed to expand in the direction of the stop block 86, pushing the stop block 86 to slide outward, so that the end of the stop block 86 forms a shielding area with the wind guide ring 84, thereby blocking the wind to a certain extent, so as to recover the heat generated during welding and blow it uniformly to the mirror surface 71, realizing self-adaptive adjustment of wind force. This design can not only prevent strong wind from directly impacting the mirror surface, but also maintain a continuous and uniform cleaning airflow, so that the heat and water droplets generated during welding will not affect the clarity of image acquisition.

[0049] In actual use, the motor drives the transmission shaft 31 to rotate, and through the meshing of the driving gear 32 and the driven gear 4, the rotating power is transmitted to the connecting block 5 and the fixed block 9, thereby driving the entire image acquisition and detection device installed on the rotating disc 1 to rotate. When the image acquisition and detection probe 7 needs to be adjusted to the direction where the image of the welding position can be acquired, the driving motor 91 needs to be started to drive the mounting seat 6 and the image acquisition and detection probe 7 to rotate downward to the direction where the image of the welding position can be acquired. At this time, the mounting seat 6 rotates downward, thereby extruding the top block 102, and the top block 102 moves downward under pressure to compress the first air bag 103. The gas in the first air bag 103 is transmitted to the second air bag 17 through the communication pipe 104, the second air bag 17 expands to push the support block 18 to move, thereby making the end of the limiting block 14 more tightly inserted into the limiting groove 72, absorbing and reducing the influence of vibration on the probe 7. In the welding process, the miniature vacuum pump 82 is started to generate airflow through the flow guide pipe 8. The airflow first passes through the filter screen 81 to filter out dust and particles, and then enters the wind guide ring 84 through the wind guide pipe 83. The design of the wind guide ring 84 enables the airflow to blow uniformly to the mirror surface 71, thereby preventing smoke and splashes in the welding process from adhering to the mirror surface. When the airflow is too large during the process of entering the wind guide ring 84 through the wind guide pipe 83, the airflow will blow to the third air bag 88 through the micro-hole block 89. The third air bag 88 is compressed on one side, and the other side expands to extrude the stop block 86, so that the end of the stop block 86 forms a shielding area with the wind guide ring 84, thereby blocking the wind to a certain extent, so as to recover the heat generated during welding and blow it uniformly to the mirror surface 71, thereby effectively protecting the mirror surface 71 to reduce the formation of water droplets.

[0050] A system for image acquisition and detection device for welding position, the system is applied to a kind of for image acquisition and detection device for welding position, the system includes control module, image acquisition and detection device, image processing module, output module; The specific working method of the system includes the following steps: S1: the image acquisition and detection device acquires the image of the welding position in real time; S2: The image data collected by the image acquisition detection probe 7 is transmitted to the image processing module through wireless mode. The image processing module is realized by an industrial computer, and its processing flow includes preprocessing, image graying, median filter denoising, and contrast enhancement; feature extraction, using Canny edge detection algorithm to extract the weld contour and calculate the weld width, molten pool area and other geometric features; based on the pre-trained convolutional neural network model, the weld defects such as pores, incomplete fusion, and undercut are classified and identified, and the defect type and confidence are output; S3: The image processing module sends the recognition result to the control module; S4: After receiving the recognition result, the control module judges according to the preset process threshold. If a defect is recognized, the corresponding adjustment instruction is generated to reduce the welding current and adjust the welding speed, and is sent to the welding equipment controller through the Wi-Fi module to realize real-time closed-loop control; S5: The control instruction is sent to the welding equipment through wireless connection; S6: The output module displays the welding quality analysis result in real time, and issues an alarm when a problem occurs; S7: The data and images of the whole process are stored in the database for subsequent analysis.

[0051] In this embodiment, the stainless steel pipe welding is taken as an example. The device is installed at the end of the welding robot arm. After starting, the control system drives the transmission shaft 31 to rotate, drives the driven gear 4 and the connecting block 5 to rotate, and makes the probe align with the starting position of the weld. The drive motor 91 adjusts the probe pitch angle to 45° observation angle. During welding, the miniature vacuum pump 82 works continuously, and the airflow is filtered by the filter screen 81 and blown to the mirror surface 71. When the welding current increases and causes the smoke to increase, the air flow adjusting mechanism automatically adjusts the air volume to keep the mirror surface clean. The image processing module analyzes the weld appearance in real time. When the weld width is detected to be abnormal, the control module immediately adjusts the welding parameters, and records the abnormal event and image to the database.

[0052] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An image acquisition and detection device for welding positions, comprising a welding device connecting rod (2) and an image acquisition and detection probe (7), characterized in that: At the bottom of the connecting rod (2) of the welding device, there is an installation turntable (1). On the installation turntable (1), there is a support frame (3). On the support frame (3), there is a transmission shaft (31). At the bottom of the transmission shaft (31), there is a driving gear (32). On the installation turntable (1), there is a driven gear (4) rotatably connected. The driven gear (4) meshes with the driving gear (32). An annular groove is formed on the installation turntable (1). The bottom of the driven gear (4) penetrates through the annular groove and is fixedly connected with a connecting block (5). On one side of the connecting block (5), there is a fixed block (9). On the fixed block (9), there is a driving motor (91). At the output end of the driving motor (91), there is a mounting seat (6). The image acquisition and detection probe (7) is arranged on the mounting seat (6). In front of the image acquisition and detection probe (7), there is a mirror surface (71). On one side of the image acquisition and detection probe (7), there is a limiting groove (72). Between the mounting seat (6) and the fixed block (9), there is a vibration damping component. The vibration damping component includes a first airbag (103) arranged on the side part of the fixed block (9) and a second airbag (17) arranged on the mounting seat (6) and abutted against the image acquisition and detection probe (7). The first airbag (103) and the second airbag (17) are communicated through a connecting pipe (104). On the mounting seat (6), there is also a blowing component. The blowing component includes a diversion pipe (8), a micro vacuum pump (82) arranged on the diversion pipe (8), and a wind guiding ring (84) arranged at the air outlet of the diversion pipe (8) and facing the probe mirror surface (71). On the wind guiding ring (84), there is a movable baffle (86) and a third airbag (88) for driving the baffle (86).

2. The image acquisition and detection device for welding positions according to claim 1, characterized in that: The support frame (3) is in a "U" - shaped structure and is fixedly connected to the installation turntable (1) at both ends. The image acquisition and detection probe (7) is lapped in the groove body of the mounting seat (6). The mirror surface (71) of the image acquisition and detection probe (7) faces the welding area.

3. The image acquisition and detection device for welding positions according to claim 1, characterized in that: The vibration damping component includes a fixed seat (10). The fixed seat (10) is fixedly connected to one side of the fixed block (9). A receiving groove is formed on the fixed seat (10). At the opening of the receiving groove, there is a mounting plate (101). A top block (102) is slidably inserted on the mounting plate (101). The top block (102) is in a "T" - shaped block structure and its end abuts against the bottom of the mounting seat (6). A first airbag (103) is arranged between the top block (102) and the receiving groove. One end of the first airbag (103) is provided with a connecting pipe (104).

4. The image acquisition and detection device for welding positions according to claim 1, characterized in that: On the mounting seat (6), there is a support seat (11). On one side of the support seat (11), there is a limiting seat (12). The limiting seat (12) is in a "U" - shaped structure and its two ends are respectively limited on both sides of the image acquisition and detection probe (7).

5. The image acquisition and detection device for welding positions according to claim 4, characterized in that: The support base (11) is provided with a storage slot, and a fixing block (15) is provided at the opening of the storage slot. An abutment block (16) is slidably inserted into the inside of the storage slot. A second airbag (17) is provided on one side of the abutment block (16). One end of the connecting pipe (104) passes through the fixing block (15) and the abutment block (16) and is fixedly connected to the second airbag (17).

6. The image acquisition and detection device for welding positions according to claim 5, characterized in that: A support block (18) is provided on one side of the second airbag (17). The support block (18) is slidably inserted into the storage groove. A connecting rod (13) is provided on one side of the support block (18). One end of the connecting rod (13) passes through the side of the limiting seat (12) and a limiting block (14) is provided. The limiting block (14) has a "T" shaped structure and its end is inserted into the limiting groove (72). A reset spring (19) is provided on the connecting rod (13) between the support block (18) and the side of the limiting seat (12).

7. The image acquisition and detection device for welding positions according to claim 1, characterized in that: The guide tube (8) has a long tubular structure and a filter screen (81) is provided at one end. One end of the guide tube (8) extends to the welding point, and the other end of the guide tube (8) faces the mirror surface (71).

8. The image acquisition and detection device for welding positions according to claim 7, characterized in that: A guide pipe (83) is provided on one side of the guide pipe (8), and the other end of the guide pipe (83) extends through the fixing block (15) into the storage groove. A groove (85) is provided at the bottom of the opening of the guide ring (84).

9. The image acquisition and detection device for welding positions according to claim 8, characterized in that: A stop block (86) is slidably inserted into the groove (85). A stop spring (87) is provided between one side of the stop block (86) and the groove (85). A microporous block (89) is provided at the other opening of the groove (85). A third airbag (88) is provided in the groove (85) between the microporous block (89) and the stop block (86).

10. A system for image acquisition and detection of welding positions, characterized in that: The system is applied in an image acquisition and detection device for welding positions as described in any one of claims 1-9. The system includes a control module, an image acquisition and detection device, an image processing module, and an output module. The specific working method of this system includes the following steps: S1: The image acquisition and detection device acquires images of the welding position in real time; S2: Image data is transmitted to the image processing module for preprocessing, feature extraction, and image recognition; S3: The image processing module sends the recognition results to the control module; S4: The control module analyzes and makes decisions based on the recognition results, and generates control commands; S5: Control commands are sent to the welding equipment via wireless connection; S6: The output module displays the welding quality analysis results in real time and issues an alarm when problems occur; S7: All data and images from the entire process are stored in a database for subsequent analysis.

Images