Multi-dimensional self-adaptive paint film adhesive force inspection device

Abstract

The invention relates to the technical field of paint film inspection, and discloses a multi-dimensional self-adaptive paint film adhesive force inspection device which comprises a base, an auxiliary assembly is arranged on one side of the upper surface of the base, a driving assembly is fixedly connected to the other side of the upper surface of the base, and an inspection assembly is in threaded connection with the first output end of the driving assembly. A second output end of the driving assembly is in threaded connection with a workbench, one side of the upper surface of the workbench is fixedly connected with a first connecting rod, the top end of the first connecting rod is fixedly connected with a first rotating ball, the workbench is rotationally connected with a fixing plate through the first rotating ball, and the interior of the workbench is rotationally connected with two first threaded rods. A negative pressure environment is established through a fan to enable the flexible film to be attached to the inner surface of a workpiece, a three-dimensional clamping force is formed in cooperation with expansion and extrusion of the flexible strip in the second fixing groove, meanwhile, a gaseous buffer structure of the flexible strip prevents rigid contact from damaging a paint surface, and accurate detection of a special-shaped sample is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of paint film inspection, and in particular to a multi-dimensional self-adaptive paint film adhesion inspection device. Background Art

[0002] Paint film adhesion testing is a core indicator for coating quality assessment, and its accuracy is directly related to the service life and safety performance of industrial products. Although international standards have standardized test methods, they still face significant challenges in practical application. For example, the traditional cross-cutting method, while simple to operate, is significantly affected by human factors, and the problem of poor repeatability in test results has persisted. In recent years, although electric testing equipment has gradually replaced manual tools, existing equipment has significant shortcomings in its environmental simulation capabilities. Some commercially available equipment cannot achieve temperature and humidity control, resulting in deviations between test data and actual working conditions.

[0003] Of particular concern is the widespread use of special-shaped components in fields such as aerospace. Conventional flat inspection fixtures are no longer sufficient. Inspection errors for special-shaped workpieces are high, primarily due to uneven stress distribution in the fixture, which can cause pre-damage to the coating. Furthermore, existing inspection systems generally separate pre-processing from testing, increasing operational complexity and potentially introducing secondary contamination during sample transfer.

[0004] It is worth noting that the lack of dynamic load simulation technology means that most equipment can only perform static pressure testing. However, in actual applications, coatings are often subjected to alternating stresses. This technical limitation directly affects the engineering applicability of the test results. Therefore, the development of testing devices that integrate environmental simulation, dynamic loading, and adaptive fixation functions has become a key breakthrough in improving the level of coating quality assessment. Summary of the Invention

[0005] The purpose of the present invention is to provide a multi-dimensional adaptive paint film adhesion testing device, which solves the problems of low test accuracy and cumbersome operation caused by insufficient environmental simulation capability of existing paint film adhesion testing equipment, poor fixing stability of special-shaped workpieces, lack of dynamic load testing, and separation of preprocessing and testing processes.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a multi-dimensional adaptive paint film adhesion testing device, comprising a base, an auxiliary component is provided on one side of the upper surface of the base, a driving component is fixedly connected to the other side of the upper surface of the base, an output end one of the driving component is threadedly connected to the testing component, an output end two of the driving component is threadedly connected to the workbench, a connecting rod one is fixedly connected to one side of the upper surface of the workbench, a rotating ball one is fixedly connected to the top of the connecting rod one, the workbench is rotatably connected to a fixed plate through the rotating ball one, and two threaded rods one are rotatably connected to the inside of the workbench, and the two threaded rods one are perpendicular to each other. The outer surface is threadedly connected to an adjustment seat, and two slides are provided on the lower surface of the fixed plate, and the size and direction of the slides are adapted to the adjustment seat. A connecting hole is provided at the edge of the upper surface of the fixed plate, which passes through the outer surface, and a deflection ring is fixedly connected to the inside of the connecting hole, and a second connecting rod is rotatably connected to the inside of the deflection ring, and a second rotating ball is fixedly connected to the top of the second connecting rod. A fixing groove is provided on the other side of the upper surface of the workbench, and one end of the fixing groove passes through the upper surface of the workbench, and an elastic ring is fixedly connected to the inner edge of the fixing groove. An adaptation component is provided inside the fixed plate, and a pretreatment component is provided on the upper surface of the base.

[0007] Preferably, the drive assembly includes an L-shaped frame, which is fixedly connected to the other side of the upper surface of the base, and the upper surface of the base is fixedly connected to a motor, the output end of the motor passes through the outer surface of the L-shaped frame and is fixedly connected to a transmission rod 1, and the transmission rod 1 is rotatably connected to the inside of the L-shaped frame, and the end of the transmission rod 1 away from the motor is fixedly connected to a gear 1, and the inside of the L-shaped frame is rotatably connected to a transmission rod 2 and a transmission rod 3, and one end of the transmission rod 2 is fixedly connected to a gear 2, and the gear 1 is meshed with the gear 2. The part of the transmission rod 2 located outside the L-shaped frame is threadedly connected to the workbench, and the transmission rod 1 and the transmission rod 3 are connected via a pulley, and the end of the transmission rod 3 away from the pulley is fixedly connected to a bevel gear 1.

[0008] Preferably, the inspection component includes a rotating cylinder, which is rotatably connected to the inside of the L-shaped frame, and the outer surface of the rotating cylinder is fixedly connected to bevel gear 2, and bevel gear 1 is meshed with bevel gear 2. The inside of the rotating cylinder is fixedly connected to connecting rod 3, and the top of connecting rod 3 is fixedly connected to a sliding block, and a spring 1 is fixedly connected between the sliding block and the inner bottom end of the rotating cylinder, and a set of springs is arranged on the outside of connecting rod 3, and the upper surface of the sliding block abuts against a weight plate, and the bottom end of connecting rod 3 is fixedly connected to a detection needle.

[0009] Preferably, the auxiliary component includes a heating box, which is fixedly connected to one side of the upper surface of the base, a partition is fixedly connected to the inside of the heating box, a heating wire is fixedly connected to one side of the inside of the heating box, a closed door is installed at the top of the heating box, the top of the heating box is connected to the gas pipe, and the two ends of the gas pipe are respectively located on both sides of the partition, and the auxiliary component also includes a refrigeration box, which is fixedly connected to one side of the upper surface of the base, and the refrigeration box is located on the outer left side of the heating box.

[0010] Preferably, the adaptation component includes an adaptation groove, which is opened at the center of the upper surface of the fixed plate, one end of the adaptation groove passes through the upper surface of the fixed plate, and a flexible membrane is fixedly connected to the interior of the adaptation groove. Fixed grooves 2 are opened on both sides of the upper surface of the fixed plate, one end of the fixed groove 2 passes through the upper surface of the fixed plate, and a flexible strip is fixedly connected to the interior of the fixed groove 2. A fan is fixedly connected to the upper surface of the base, the input end of the fan is connected to the outside world, and the output end 1 of the fan is connected to the adaptation groove and the fixed groove 2 through an air inlet pipe.

[0011] Preferably, the pretreatment component includes a decontamination box, which is fixedly connected to the upper surface of the base. An air-drying groove is provided on the upper surface of the base. A guide sleeve is fixedly connected to the outer side of the air-drying groove, and the second output end of the fan is connected to the guide sleeve.

[0012] Preferably, a plurality of fastening bolts are threadedly connected to the upper surface of the fixing plate.

[0013] Preferably, a slide rail is fixedly connected to the upper surface of the base, and the slide rail is located directly below the workbench.

[0014] Preferably, a second spring is abutted between the fastening bolt and the fixing plate, and the second spring is sleeved on the outside of the fastening bolt.

[0015] Preferably, the inner top of the adapting groove and the fixing groove 2 is equipped with a shielding cover. In summary, the present invention includes at least one of the following beneficial technical effects: 1. The present invention uses a motor to drive transmission rod 2 to drive the workbench horizontally, while synchronously driving transmission rod 3 through a pulley to drive the bevel gear set to achieve vertical downward pressure on the detection needle. Combined with the elastic buffering of spring 1 and the weight adjustment of the load plate, the paint film peeling process under different load conditions can be accurately simulated, effectively improving the working condition adaptability of the adhesion test.

[0016] 2. The present invention uses a fan to create a negative pressure environment so that the flexible membrane adheres to the inner surface of the workpiece, and cooperates with the expansion and extrusion of the flexible strip in the second fixed groove to form a three-dimensional clamping force. At the same time, the gaseous buffer structure of the flexible strip avoids damage to the paint surface due to rigid contact, thereby achieving accurate detection of special-shaped samples. In addition, the quick opening and closing design of the shielding cover outside the fixed groove enables rapid switching detection between conventional samples and special-shaped workpieces, ensuring the comparability of test data for samples of different shapes.

[0017] 3. This invention integrates pretreatment and testing functions. The pretreatment component removes surface impurities through a decontamination chamber, and then uses an air-drying trough with a guide sleeve to provide directional airflow for rapid drying. In addition, a heating chamber and a cooling chamber provide a temperature alternating environment to simulate the actual service conditions of the paint film. This multi-factor coupled testing mechanism can comprehensively evaluate the adhesion changes of the paint film under different temperature and humidity conditions, enhancing the engineering guidance value of the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A perspective view of the present invention; Figure 2 is a side view of the present invention; Figure 3 is a schematic diagram of the auxiliary components of the present invention; Figure 4 is a schematic diagram of a fixed plate in the present invention; Figure 5 Schematic diagram of the workbench in the present invention; Figure 6 This is an exploded view of the workbench in the present invention; Figure 7 is a schematic diagram of an adaptation component in the present invention; Figure 8 is a schematic diagram of the drive assembly in the present invention; Figure 9 Schematic diagram of the inspection component in the present invention.

[0019] Among them, 1. Base; 2. Auxiliary component; 3. Drive component; 4. Inspection component; 5. Workbench; 6. Connecting rod 1; 7. Rotating ball 1; 8. Fixing plate; 9. Threaded rod 1; 10. Adjustment seat; 11. Slide; 12. Connecting hole; 13. Deflection ring; 14. Connecting rod 2; 15. Rotating ball 2; 16. Fixing groove 1; 17. Elastic ring; 18. Adaptation component; 19. Pretreatment component; 301. L-shaped frame; 302. Motor; 303. Transmission rod 1; 304. Gear 1; 305. Transmission rod 2; 306. Transmission rod 3; 307. Gear 2; 308. Pulley; 309. Bevel gear 1; 401. Rotating cylinder; 402. Bevel gear 2; 403. Connecting rod 3; 404. Sliding block; 405. Spring 1; 406. Load plate; 407. Detection needle; 201. Heating box; 202. Partition; 203. Heating wire; 204. Closed door; 205. Gas pipe; 206. Refrigeration box; 1801. Adaptation groove; 1802. Flexible membrane; 1803. Fixed groove 2; 1804. Flexible strip; 1805. Fan; 1806. Inlet pipe; 1901. Decontamination box; 1902. Air drying groove; 1903. Guide sleeve; 20. Fastening bolt; 21. Slide rail; 22. Spring 2; 23. Shielding cover. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Please see the attached Figure 1 -Attached Figure 9The embodiment of the present invention provides a multi-dimensional adaptive paint film adhesion testing device, comprising a base 1, an auxiliary component 2 being provided on one side of the upper surface of the base 1, a driving component 3 being fixedly connected to the other side of the upper surface of the base 1, an output end 1 of the driving component 3 being threadedly connected to an inspection component 4, an output end 2 of the driving component 3 being threadedly connected to a workbench 5, a connecting rod 16 being fixedly connected to one side of the upper surface of the workbench 5, a rotating ball 17 being fixedly connected to the top of the connecting rod 16, the workbench 5 being rotatably connected to a fixed plate 8 via the rotating ball 17, two threaded rods 19 being rotatably connected to the interior of the workbench 5, the two threaded rods 19 being perpendicular to each other and having an adjustment seat 10 threadedly connected to their outer surfaces, Two slides 11 are provided on the lower surface of the fixed plate 8, and the size and direction of the slides 11 are adapted to the adjustment seat 10. A connecting hole 12 penetrating the outer surface is provided at the edge of the upper surface of the fixed plate 8. A deflection ring 13 is fixedly connected to the inside of the connecting hole 12, and a connecting rod 2 14 is rotatably connected to the inside of the deflection ring 13. A rotating ball 2 15 is fixedly connected to the top of the connecting rod 2 14. A fixing groove 16 is provided on the other side of the upper surface of the workbench 5, and one end of the fixing groove 16 passes through the upper surface of the workbench 5. An elastic ring 17 is fixedly connected to the inner edge of the fixing groove 16. An adaptation component 18 is provided inside the fixed plate 8, and a pretreatment component 19 is provided on the upper surface of the base 1.

[0022] Specifically, the base 1 serves as a basic bearing platform to ensure the stability of the overall structure. The auxiliary component 2 realizes the environmental simulation pretreatment of the sample through the temperature control module. The driving component 3 adopts a dual-axis transmission mechanism to synchronously control the vertical pressure of the detection mechanism and the horizontal displacement of the workbench 5. The inspection component 4 realizes precise control of the detection pressure through a spring buffer system and an adjustable counterweight module. The workbench 5 drives the adjustment seat 10 to complete the plane positioning through the built-in two-way threaded transmission mechanism. The ball hinge structure composed of the connecting rod 6 and the rotating ball 7 realizes the pitch angle adjustment of the fixed plate 8. The fixed plate 8 forms a plane seat through the sliding cooperation with the adjustment seat 10 through the slide 11. The standard system is used for positioning the base, and the deflection ring 13 in the connecting hole 12 realizes the adjustment of the horizontal rotation angle of the sample through the linkage of the connecting rod 2 14 and the rotating ball 2 15. The fixing groove 16 cooperates with the elastic ring 17 to form an elastic clamping area to prevent the sample from moving. The adaptation component 18 adapts to the contour of the special-shaped workpiece through the synergistic effect of the flexible contact surface and negative pressure adsorption. The pretreatment component 19 integrates physical cleaning and airflow drying functions to ensure the cleanliness of the sample surface. The threaded rod 19 realizes the XY axial precise positioning of the adjustment seat 10 through the orthogonal layout of the dual-axis drive. The adjustment seat 10 converts the planar motion into the spatial posture adjustment of the fixed plate 8 through the cooperation of the wedge structure and the slide 11.

[0023] The driving assembly 3 includes an L-shaped frame 301, which is fixedly connected to the other side of the upper surface of the base 1. The upper surface of the base 1 is fixedly connected to a motor 302. The output end of the motor 302 passes through the outer surface of the L-shaped frame 301 and is fixedly connected to a transmission rod 1 303. The transmission rod 1 303 is rotatably connected to the inside of the L-shaped frame 301. The end of the transmission rod 1 303 away from the motor 302 is fixedly connected to a gear 1 304. The inside of the L-shaped frame 301 is rotatably connected to a transmission rod 2 305 and a transmission rod 3 306. One end of the transmission rod 2 305 is fixedly connected to a gear 2 307. Gear 1 304 is meshed with gear 2 307. The part of the transmission rod 2 305 located outside the L-shaped frame 301 is threadedly connected to the workbench 5. The transmission rod 1 303 and the transmission rod 3 306 are connected by a pulley 308. The end of the transmission rod 306 away from the pulley 308 is fixedly connected to a bevel gear 1 309.

[0024] Specifically, the L-shaped frame 301 serves as a rigid support for the transmission system to ensure the stability of power transmission. The motor 302 drives the transmission rod 1 303 through the output shaft to generate rotational power. The meshing structure of the gear 1 304 and the gear 2 307 converts the horizontal axial rotation into a vertical axial motion to drive the transmission rod 2 305 to rotate. The threaded cooperation between the transmission rod 2 305 and the workbench 5 converts the rotational motion into a linear displacement to realize the horizontal feeding of the inspection station. The belt transmission mechanism of the pulley 308 realizes the synchronous speed control of the transmission rod 1 303 and the transmission rod 3 306. The bevel gear 1 306 at the end of the transmission rod 3 306 is connected to the transmission rod 3 306. 09 converts horizontal rotational power into vertical axial torque output through conical surface meshing. The modular matching design of gear 1 304 and gear 2 307 ensures the proportional coordination of the moving speed of the workbench 5 and the downward pressure rate of the detection component. The lead parameter setting of the transmission rod 2 305 realizes the linear correspondence between the displacement of the workbench 5 and the rotation angle of the motor 302. The stepped shaft structure of the transmission rod 306 reduces the moment of inertia while ensuring the torque transmission efficiency. The V-groove structure of the pulley 308 increases the contact area of ​​the transmission belt to prevent slipping. The spiral tooth design of the bevel gear 1 309 improves the meshing smoothness and reduces the transmission noise.

[0025] The inspection component 4 includes a rotating cylinder 401, which is rotatably connected to the inside of the L-shaped frame 301. The outer surface of the rotating cylinder 401 is fixedly connected to the bevel gear 2 402, and the bevel gear 1 309 is engaged with the bevel gear 2 402. The inside of the rotating cylinder 401 is fixedly connected to the connecting rod 3 403, and the top of the connecting rod 3 403 is fixedly connected to the sliding block 404. A spring 1 405 is fixedly connected between the sliding block 404 and the inner bottom end of the rotating cylinder 401. The spring 1 405 is sleeved on the outside of the connecting rod 3 403. The upper surface of the sliding block 404 is in contact with the weight plate 406, and the bottom end of the connecting rod 3 403 is fixedly connected to the detection needle 407.

[0026] Specifically, the rotating cylinder 401 realizes the power direction conversion through the meshing of the bevel gear 2 402 and the bevel gear 1 309. The spiral tooth surface design of the bevel gear 2 402 ensures the smooth transmission of torque. The connecting rod 3 403 converts the rotational motion of the rotating cylinder 401 into the vertical linear motion of the detection needle 407. The axial sliding of the sliding block 404 in the inner cavity of the rotating cylinder 401 cooperates with the elastic deformation of the spring 1 405 to form a pressure buffer mechanism. The preload force setting of the spring 1 405 can adjust the initial threshold of the detection pressure. The load plate 406 realizes the detection by increasing or decreasing the counterweight mass. The pressure measurement gradient is adjusted, and the tip geometry of the detection needle 407 is optimized to ensure the linear accuracy of the scratch test. The guide groove structure on the inner wall of the rotating cylinder 401 limits the rotational freedom of the sliding block 404 to ensure a vertical motion trajectory. The stepped shaft design of the connecting rod 3 403 reduces the motion inertia while ensuring rigidity. The carburized tooth surface of the bevel gear 2 402 improves wear resistance and extends service life. The copper-based self-lubricating material of the sliding block 404 reduces friction loss with the inner wall of the rotating cylinder 401. The detachable structure design of the detection needle 407 facilitates the replacement of test heads of different specifications.

[0027] The auxiliary component 2 includes a heating box 201, which is fixedly connected to one side of the upper surface of the base 1. A partition 202 is fixedly connected to the inside of the heating box 201. A heating wire 203 is fixedly connected to one side of the inside of the heating box 201. A closed door 204 is installed at the top of the heating box 201. The top of the heating box 201 is connected to the gas pipe 205, and the two ends of the gas pipe 205 are respectively located on both sides of the partition 202. The auxiliary component 2 also includes a refrigeration box 206, which is fixedly connected to one side of the upper surface of the base 1. The refrigeration box 206 is located on the outer left side of the heating box 201.

[0028] Specifically, the heating box 201 generates a controllable heat source through the heating wire 203 to achieve sample heat treatment, the partition 202 divides the box body into independent heat exchange chambers to improve heating efficiency, the closed door 204 adopts a sealed structure to prevent heat loss and ensure operational safety, the gas pipe 205 establishes an air flow channel across the partition 202 to achieve hot steam recycling, the refrigeration box 206 is equipped with an independent temperature control system to provide low-temperature environment simulation function, the serpentine arrangement design of the heating wire 203 increases the heat exchange area and accelerates the heating process, the guide structure of the partition 202 optimizes the air flow distribution in the box to avoid local overheating, the corrugated pipe section design of the gas pipe 205 compensates for thermal expansion and contraction deformation to maintain airtightness, the double-layer glass observation window of the closed door 204 facilitates monitoring of the heating process, the inner tank foam layer structure of the refrigeration box 206 enhances thermal insulation performance and reduces energy consumption, and the Y-shaped bifurcated interface of the gas pipe 205 realizes two-way airflow transmission to form a heat circulation path.

[0029] The adaptation component 18 includes an adaptation groove 1801, which is opened at the center of the upper surface of the fixed plate 8. One end of the adaptation groove 1801 passes through the upper surface of the fixed plate 8. The interior of the adaptation groove 1801 is fixedly connected with a flexible membrane 1802. Fixed grooves 2 1803 are opened on both sides of the upper surface of the fixed plate 8. One end of the fixed groove 2 1803 passes through the upper surface of the fixed plate 8. The interior of the fixed groove 2 1803 is fixedly connected with a flexible strip 1804. The upper surface of the base 1 is fixedly connected with a fan 1805. The input end of the fan 1805 is connected to the outside world, and the output end of the fan 1805 is connected to the adaptation groove 1801 and the fixed groove 2 1803 through the air inlet pipe 1806.

[0030] Specifically, the adaptive groove 1801 forms a negative pressure adsorption area through a through-type structure to accommodate special-shaped workpieces. The elastic deformation characteristics of the flexible membrane 1802 adapt to different curvature surfaces to achieve contour fitting. The symmetrical layout of the fixed groove 1803 provides auxiliary fixing points to enhance stability. The compression deformation ability of the flexible strip 1804 compensates for the assembly gap between the workpiece and the fixed plate 8. The fan 1805 creates a negative pressure environment through the air inlet pipe 1806 to prompt the flexible membrane 1802 to generate adsorption force. The tapered cavity design of the adaptive groove 1801 is excellent. The optimized air flow distribution improves the adsorption efficiency, the silicone surface of the flexible membrane 1802 increases the friction coefficient to prevent the workpiece from sliding, the dovetail groove structure of the fixed groove 1803 limits the displacement direction of the flexible strip 1804 to ensure uniform pressure, and the three-way diverter of the air inlet pipe 1806 realizes the synchronous negative pressure control of the adaptive groove 1801 and the fixed groove 1803. The hollow structure design of the flexible strip 1804 produces radial expansion under the action of negative pressure to enhance the clamping force, and the frequency conversion control module of the fan 1805 realizes stepless adjustment of the adsorption force.

[0031] The pretreatment component 19 includes a decontamination box 1901, which is fixedly connected to the upper surface of the base 1. The upper surface of the base 1 is provided with an air-drying groove 1902. The outer side of the air-drying groove 1902 is fixedly connected with a guide sleeve 1903. The output end 2 of the fan 1805 is connected to the guide sleeve 1903.

[0032] Specifically, the decontamination box 1901 is used to achieve deep cleaning of the sample surface, the grille-type bottom plate design of the air-drying tank 1902 accelerates airflow penetration and improves drying efficiency, the guide sleeve 1903 is used to concentrate the airflow to form a high-speed air curtain to remove residual droplets on the surface, and the bidirectional output function of the fan 1805 realizes power reuse for adsorption fixation and drying treatment.

[0033] A plurality of fastening bolts 20 are threadedly connected to the upper surface of the fixing plate 8 .

[0034] Specifically, the plurality of fastening bolts 20 are used to fix the sample from multiple directions.

[0035] A slide rail 21 is fixedly connected to the upper surface of the base 1 , and the slide rail 21 is located directly below the workbench 5 .

[0036] Specifically, the slide rail 21 ensures the straightness of the moving track of the workbench 5 through the linear guide structure. A second spring 22 is in contact between the fastening bolt 20 and the fixing plate 8 , and the second spring 22 is sleeved on the outside of the fastening bolt 20 .

[0037] Specifically, the second spring 22 is used to reduce damage to the sample during tightening.

[0038] A shielding cover 23 is installed on the inner top of the adapting groove 1801 and the second fixing groove 1803.

[0039] Specifically, the shielding cover 23 is used to keep the fixing plate 8 flat when facing a sample of normal shape.

[0040] Working principle: In actual use, first put the sample into the decontamination box 1901, clean it with the cleaning liquid inside, and then put it into the air drying tank 1902. Then start the fan 1805 to blow dry through the guide sleeve 1903 to complete the pretreatment of the sample. Then, according to the thickness of the sample paint film or the material properties, decide whether to perform heat treatment or cold treatment on it. If heat treatment is required, start the heating wire 203 in the heating box 201 to heat the water source inside. At the same time, the water vapor generated by the heating is transported to the partition through the air pipe 205. On the other side of 202, the heating temperature is selected according to the actual situation of the sample (if it is below 100℃, it is directly placed in hot water, and if it is above 100℃, it is placed in high-temperature steam); if cold treatment is required, the refrigeration box 206 provides a low-temperature environment simulation; after completing the preliminary treatment of the sample, the sample can be placed on the fixed plate 8, and then it is initially fixed by the fastening bolt 20, and then according to actual needs, the threaded rod 9 is rotated to drive the adjustment seat 10 to slide along the slide 11 between the fixed plate 8 and the workbench 5 to achieve the fixed plate 8. The spherical connection of the rotating ball 17 is used to complete the XY axial fine adjustment. After determining the angle, the connecting rod 2 14 is operated to use the deflection ring 13 to place the rotating ball 2 15 into the fixing groove 16, and then the elastic ring 17 is used to buffer and fix it, thus completing the secondary fixation. After the fixation is completed, the inspection is started. By placing appropriate weights in the load plate 406, the detection needle 407 is lowered to an appropriate height, and then the motor 302 is started to drive the transmission rod 1 303 to drive the gear 1 304 and the pulley 308 to rotate. Through the meshing of the gears, The transmission rod 2 305 and the transmission rod 3 306 rotate accordingly, and the transmission rod 2 305 pushes the workbench 5 to move along the slide rail 21. At the same time, the transmission rod 3 306 is driven by the pulley 308 to drive the bevel gear 1 309 to drive the bevel gear 2 402 to rotate, and the rotating cylinder 401 connected to it drives the connecting rod 3 403 to rotate. Then the connecting rod 3 403 drives the detection needle 407 to draw a circle on the sample surface. After a period of time, the sample is sampled, the scratches on the sample surface are observed, and the paint film adhesion on the sample surface is graded.

[0041] If the sample is irregular in shape, and the shielding cover 23 outside the adaptation groove 1801 and the fixing groove 2 1803 can be removed, the fan 1805 is started to supply air through the air inlet pipe 1806 to make the flexible membrane 1802 expand upward and overlap on the inner surface of the irregular-shaped sample, and then the flexible strip 1804 is expanded downward and squeezed with the flexible membrane 1802 to fix the sample, and then the sample is tested.

[0042] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A multi-dimensional self-adaptive paint film adhesion testing device, comprising a base (1), characterized in that: An auxiliary component (2) is provided on one side of the upper surface of the base (1), and a driving component (3) is fixedly connected to the other side of the upper surface of the base (1). An output end of the driving component (3) is threadedly connected to an inspection component (4), and an output end of the driving component (3) is threadedly connected to a workbench (5). A connecting rod (6) is fixedly connected to one side of the upper surface of the workbench (5), and a rotating ball (7) is fixedly connected to the top of the connecting rod (6). The workbench (5) is rotatably connected to a fixed plate (8) through the rotating ball (7). Two threaded rods (9) are rotatably connected inside the workbench (5), and the two threaded rods (9) are perpendicular to each other and are threadedly connected to an adjustment seat (10) on their outer surfaces. Two slideways (11) are provided on the lower surface of the fixed plate (8). The size and direction of the slideway (11) are adapted to the adjustment seat (10); a connecting hole (12) penetrating the outer surface is provided at the edge of the upper surface of the fixing plate (8); a deflection ring (13) is fixedly connected to the interior of the connecting hole (12); a connecting rod (14) is rotatably connected to the interior of the deflection ring (13); a rotating ball (15) is fixedly connected to the top of the connecting rod (14); a fixing groove (16) is provided on the other side of the upper surface of the workbench (5); one end of the fixing groove (16) passes through the upper surface of the workbench (5); an elastic ring (17) is fixedly connected to the inner edge of the fixing groove (16); an adaption component (18) is provided inside the fixing plate (8); and a pretreatment component (19) is provided on the upper surface of the base (1).

2. The multi-dimensional adaptive paint film adhesion testing device according to claim 1, characterized in that: The driving assembly (3) includes an L-shaped frame (301), the L-shaped frame (301) is fixedly connected to the other side of the upper surface of the base (1), the upper surface of the base (1) is fixedly connected to a motor (302), the output end of the motor (302) passes through the outer surface of the L-shaped frame (301) and is fixedly connected to a transmission rod 1 (303), the transmission rod 1 (303) is rotatably connected to the inside of the L-shaped frame (301), the end of the transmission rod 1 (303) away from the motor (302) is fixedly connected to a gear 1 (304), and the L-shaped frame (301) The internal rotation is connected to the transmission rod 2 (305) and the transmission rod 3 (306), one end of the transmission rod 2 (305) is fixedly connected to the gear 2 (307), the gear 1 (304) is meshed with the gear 2 (307), the part of the transmission rod 2 (305) located outside the L-shaped frame (301) is threadedly connected to the workbench (5), the transmission rod 1 (303) is connected to the transmission rod 3 (306) through a pulley (308), and the end of the transmission rod 3 (306) away from the pulley (308) is fixedly connected to the bevel gear 1 (309).

3. The multi-dimensional adaptive paint film adhesion testing device according to claim 2, characterized in that: The inspection component (4) includes a rotating cylinder (401), the rotating cylinder (401) is rotatably connected to the inside of the L-shaped frame (301), the outer surface of the rotating cylinder (401) is fixedly connected to the bevel gear 2 (402), the bevel gear 1 (309) is meshed with the bevel gear 2 (402), the inside of the rotating cylinder (401) is fixedly connected to the connecting rod 3 (403), the top of the connecting rod 3 (403) is fixedly connected to the sliding block (404), the sliding block (404) and the inner bottom end of the rotating cylinder (401) are fixedly connected to the spring 1 (405), the spring 1 (405) is sleeved on the outside of the connecting rod 3 (403), the upper surface of the sliding block (404) is in contact with the weight plate (406), and the bottom end of the connecting rod 3 (403) is fixedly connected to the detection needle (407).

4. The multi-dimensional adaptive paint film adhesion testing device according to claim 1, characterized in that: The auxiliary component (2) includes a heating box (201), the heating box (201) is fixedly connected to one side of the upper surface of the base (1), a partition (202) is fixedly connected to the interior of the heating box (201), a heating wire (203) is fixedly connected to one side of the interior of the heating box (201), a closed door (204) is installed at the top end of the heating box (201), the top end of the heating box (201) is connected to the gas pipe (205), and the two ends of the gas pipe (205) are respectively located on both sides of the partition (202), and the auxiliary component (2) also includes a refrigeration box (206), the refrigeration box (206) is fixedly connected to one side of the upper surface of the base (1), and the refrigeration box (206) is located on the outer left side of the heating box (201).

5. The multi-dimensional adaptive paint film adhesion testing device according to claim 1, characterized in that: The adaption assembly (18) comprises an adaption groove (1801), wherein the adaption groove (1801) is provided at the center of the upper surface of the fixed plate (8), one end of the adaption groove (1801) passes through the upper surface of the fixed plate (8), and a flexible membrane (1802) is fixedly connected inside the adaption groove (1801), and a second fixing groove (1803) is provided on both sides of the upper surface of the fixed plate (8), one end of the second fixing groove (1803) passes through the upper surface of the fixed plate (8), and a flexible strip (1804) is fixedly connected inside the second fixing groove (1803), and a fan (1805) is fixedly connected to the upper surface of the base (1), the input end of the fan (1805) is connected to the outside, and the output end 1 of the fan (1805) is connected to the adaption groove (1801) and the second fixing groove (1803) through an air inlet pipe (1806).

6. The multi-dimensional adaptive paint film adhesion testing device according to claim 5, characterized in that: The pretreatment component (19) includes a decontamination box (1901), the decontamination box (1901) is fixedly connected to the upper surface of the base (1), the upper surface of the base (1) is provided with an air-drying groove (1902), the outer side of the air-drying groove (1902) is fixedly connected with a guide sleeve (1903), and the output end 2 of the fan (1805) is connected to the guide sleeve (1903).

7. The multi-dimensional adaptive paint film adhesion testing device according to claim 1, characterized in that: The upper surface of the fixing plate (8) is threadedly connected with a plurality of fastening bolts (20).

8. The multi-dimensional adaptive paint film adhesion testing device according to claim 1, characterized in that: A slide rail (21) is fixedly connected to the upper surface of the base (1), and the slide rail (21) is located directly below the workbench (5).

9. The multi-dimensional adaptive paint film adhesion testing device according to claim 7, characterized in that: A second spring (22) is abutted between the fastening bolt (20) and the fixing plate (8), and the second spring (22) is sleeved on the outside of the fastening bolt (20).

10. The multi-dimensional adaptive paint film adhesion testing device according to claim 5, characterized in that: A shielding cover (23) is installed on the inner top ends of the adapting groove (1801) and the second fixing groove (1803).

Images