Corrosion resistance testing device for water paint
By introducing matrix light detectors and position adjusters into the corrosion resistance test device for water-based paint, comprehensive inspection of the painted board surface is solved, and the problem of intuition in the existing technology is improved, and the comprehensiveness of the detection and accuracy.
Patent Information
- Application Number
- CN202411403128.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-01-03
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing corrosion resistance testing device for water-based paint cannot intuitively detect the location, size and number of corrosion surfaces of painted boards, resulting in the detection results being not intuitive and comprehensive enough.
A test device including a matrix light detector and a position regulator is designed. The matrix light detector can move and emit multiple lasers, detect spots and bubbles on the surface of the paint board through the optical array, and the position regulator is composed of a servo motor and The screw drive can be connected at equal intervals along the radial direction of the matrix light detector, achieving comprehensive inspection of the painted board surface.
It improves the intuitiveness and comprehensiveness of corrosion resistance detection of water-based paint, and can accurately detect the bubbles and spot areas and sizes of the painted board surface.
Smart Images
Figure CN119246391A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of corrosion resistance detection devices, and in particular to a corrosion resistance testing device for water-based paint. Background Art
[0002] As an outer coating for protecting structures, the corrosion resistance of water-based paint directly affects the service life of components. If it has excessive bubbling or peeling problems in an acidic or alkaline environment, it will indicate that the corrosion resistance of the water-based paint is poor. The corrosion resistance of water-based paint can usually be judged by testing components coated with water-based paint and subjected to corrosion tests.
[0003] For example, a corrosion resistance testing device for water-based paint is proposed in the invention patent with Chinese patent publication number CN113804614B. During use, the water-based paint can be applied to a conductive plate, and the conductivity of the conductive plate can be used to determine whether the water-based paint is dissolved by the corrosive liquid. The device is easy to observe and determine, and through sensor detection, it can accurately determine whether the water-based paint has foaming, thereby facilitating the detection of the corrosion resistance of the water-based paint.
[0004] However, during the use of this type of corrosion resistance testing device for water-based paint, the test results can only determine whether the water-based paint on the entire outer surface of the conductive plate is dissolved by the corrosive liquid. However, when the water-based paint on the outer surface of the conductive plate is dissolved by the corrosive liquid, it is impossible to detect the location of the corrosion, the size of the corrosion spots, and the number of corrosion spots. Therefore, the test results of the corrosion resistance of the water-based paint are not intuitive and comprehensive enough. Summary of the invention
[0005] In order to improve the problems raised in the above background technology, the present application provides a corrosion resistance testing device for water-based paint.
[0006] The present application provides a water-based paint corrosion resistance testing device that adopts the following technical solution: A corrosion resistance testing device for water-based paint comprises a bracket, wherein the upper and lower ends of the bracket are respectively provided with a top supporting surface and a bottom supporting surface, and further comprises a detection mechanism installed on the top supporting surface and a workpiece placement tool installed on the bottom supporting surface, wherein the workpiece placement tool is used to support and place a paint board to be tested, and the detection mechanism is used to detect corrosion spots and bubbles on the surface of the paint board, and the detection mechanism comprises a matrix light detector, wherein the matrix light detector is movably arranged above the paint board, and the matrix light detector can emit a plurality of lasers downward, wherein the plurality of lasers are arranged at equal intervals in the horizontal and vertical directions to form a light array, and the matrix light detector detects corrosion spots and bubbles on the surface of the paint board through the reception time after each laser in the light array is reflected.
[0007] Furthermore, the detection mechanism also includes three groups of position regulators, and a servo motor and a lead screw for driving each group of position regulators, the servo motor is installed and fixed on the top support surface of the bracket, the output end of the servo motor is connected to the top of the lead screw, and the bottom end of the lead screw passes through to the bottom of the top support surface of the bracket, the upper end of the position regulator is connected to the lead screw, and the lower end of the position regulator is connected to the matrix light detector, the position regulator includes a wire seat, a top deflection arm, a parallel connecting rod and a bottom deflection arm, the wire seat is sleeved on the lead screw and threadedly connected thereto, the middle part of the top deflection arm can be deflectably inserted in the wire seat, and the middle part of the bottom deflection arm can be deflectably inserted on the adjacent side of the matrix light detector, the upper ends of the two connecting rods in the parallel connecting rod are rotatably connected to the end of the top deflection arm, and the lower ends of the two connecting rods in the parallel connecting rod are rotatably connected to the end of the bottom deflection arm.
[0008] Furthermore, the three groups of position regulators are connected and arranged at equal intervals along the radial direction of the matrix light detector on the outside of the matrix light detector.
[0009] Furthermore, the matrix light detector includes a base, a top cover, three bottom sleeves, three top sleeves and a plurality of laser sensors, the three bottom sleeves are evenly formed on the outer wall of the base, the three top sleeves are evenly formed on the outer wall of the top cover, the middle part of the bottom deflection arm passes through the gap between adjacent bottom sleeves and top sleeves, the facing sides of the base and the top cover are connected and fixed in alignment with each other, the plurality of laser sensors are installed in the inner cavity between the base and the top cover, the base is formed with a plurality of matrix holes that penetrate the base, and each of the laser sensors faces one of the matrix holes.
[0010] Furthermore, the workpiece placement tooling includes a first side cover, a second side cover, a flipper and a linear push rod. The first side cover and the second side cover are connected and fixed to form a shell structure with an opening. The flipper is arranged inside the shell structure. The linear push rod is installed on the top of the shell structure. The output end of the linear push rod extends into the shell structure and is connected to the flipper. The flipper extends out of the shell structure toward the side of the shell structure opening and clamps the supporting paint plate. The flipper is arranged in the shell structure to be driven and moved by the linear push rod.
[0011] Furthermore, the flipper includes a lifting block, an adjusting shaft, a column gear, a misalignment adjusting rod and a pushing arm, the adjusting shaft movably passes through the lifting block, one end of the adjusting shaft is located outside the outer shell structure and is clamped to support the paint plate, the other end of the adjusting shaft passes through the center of the column gear and is fixedly connected thereto, one end of the misalignment adjusting rod is movably inserted in the lifting block, the other end of the misalignment adjusting rod passes through the side of the outer shell structure, the side of the pushing arm close to the misalignment adjusting rod is sleeved on the misalignment adjusting rod and is clamped thereto, and the side of the pushing arm close to the column gear is passed through by the column gear.
[0012] Furthermore, a guide rail is formed on the inner wall of the first side cover, and the lifting block is slidably connected to the guide rail. A spur rack is also fixedly connected to the inner wall of the first side cover, and the module of the spur rack is equal to the module of the column gear; a misalignment adjustment groove that passes through the second side cover is formed on the outer wall of the second side cover, and the upper section of the misalignment adjustment groove is inclined upward and contracted, and the lower section of the misalignment adjustment groove is inclined downward and contracted, and the upper and lower ends of the misalignment adjustment groove are respectively contracted to opposite sides, and the contracted misalignment adjustment rod extends into the misalignment adjustment groove and movably cooperates with it; a first connecting portion is formed on the first side cover, and a second connecting portion is formed on the second side cover, and the first connecting portion and the second connecting portion are connected and fixed by a locking member so that the first side cover and the second side cover form a shell structure.
[0013] The beneficial technical effect of the present application is that through the setting of the detection mechanism, the corrosion resistance testing device for water-based paint can not only detect whether bubbling or corrosion occurs on the surface of the paint board, but also can calibrate the area and size of bubbles and pits on the surface of the paint board, thereby improving the intuitiveness and comprehensiveness of the test results of the corrosion resistance of water-based paint on the paint board. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic structural diagram of a corrosion resistance testing device for water-based paint according to an embodiment of the present application; Figure 2 yes Figure 1 Schematic diagram of the structure of the corrosion resistance test device for water-based paint after the paint plate is placed; Figure 3 It is a structural schematic diagram of the detection mechanism in the embodiment of the present application; Figure 4 yes Figure 3 A schematic diagram of the structure of the detection mechanism at another angle; Figure 5 is a schematic diagram of the structure of a matrix light detector in an embodiment of the present application; Figure 6 It is a structural schematic diagram of a workpiece placement tool in an embodiment of the present application; Figure 7 This Figure 6 A schematic diagram of the structure of the workpiece placement fixture at another angle; Figure 8 yes Figure 7 or Figure 6 Schematic diagram of the exploded structure of the workpiece placement fixture after omitting the linear push rod.
[0015] 1. The servo motor is provided with a plurality of screw rods, a plurality of screw rods and a plurality of coupling rods. The plurality of coupling rods are provided with a plurality of coupling rods, a plurality of coupling rods and a plurality of coupling rods. The plurality of coupling rods are provided with a plurality of coupling rods, a plurality of coupling rods and a plurality of coupling rods. DETAILED DESCRIPTION
[0016] The technical solution of the present application will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.
[0017] The present application embodiment discloses a corrosion resistance testing device for water-based paint. Figure 1 and Figure 2 The corrosion resistance testing device for water-based paint includes a bracket 10, a detection mechanism 20 and a workpiece placement fixture 30. A top support surface and a bottom support surface may be formed at the upper end and the lower end of the bracket 10, respectively. The detection mechanism 20 and the workpiece placement fixture 30 may be installed on the top support surface and the bottom support surface of the bracket 10, respectively. The workpiece placement fixture 30 is used to support and place the paint plate 40 to be tested, and the detection mechanism 20 is used to detect possible pitting and blistering on the surface of the paint plate 40 after placement.
[0018] See also Figure 3 and Figure 4The detection mechanism 20 may include a matrix light detector 24, three groups of position regulators 23, and a servo motor 21 and a lead screw 22 for driving each group of position regulators 23. The servo motor 21 is mounted and fixed on the top support surface of the bracket 10, and the output end of the servo motor 21 is connected to the top of the lead screw 22, so that the lead screw 22 can be driven by the servo motor 21 to control the number of rotations and the direction of rotation. The bottom end of the lead screw 22 passes through the bottom of the top support surface of the bracket 10, the upper end of the position regulator 23 is connected to the lead screw 22, and the lower end of the position regulator 23 is connected to the matrix light detector 24. The position regulator 23 can produce shape changes by rotating the lead screw 22. The three groups of position regulators 23 are connected and arranged at equal intervals along the radial direction of the matrix light detector 24, and the support and adjustment of the three groups of position regulators 23 are used to make the matrix light detector 24 movably arranged above the paint plate 40.
[0019] In this embodiment, the position regulator 23 includes a wire seat 231, a top deflection arm 232, a parallel link 233 and a bottom deflection arm 234. The wire seat 231 is sleeved on the lead screw 22 and threadedly connected thereto, and under the restriction of the other two groups of position regulators 23, the wire seat 231 can only move up and down on the lead screw 22 by means of threads. The middle part of the top deflection arm 232 is deflectably inserted in the wire seat 231, and the middle part of the bottom deflection arm 234 is deflectably inserted in the adjacent side of the matrix light detector 24. The upper ends of the two links in the parallel link 233 are both rotatably connected to the end of the top deflection arm 232, and the lower ends of the two links in the parallel link 233 are both rotatably connected to the end of the bottom deflection arm 234, so that each group of position regulators 23 has different degrees of freedom of movement by means of the deflection of the parallel link 233 and the deflection of the top deflection arm 232 and the bottom deflection arm 234. When the wire holders 231 in one group of position regulators 23 are driven to move up and down, and the wire holders 231 in the other two groups of position regulators 23 remain in place, the matrix light detector 24 can be driven by the corresponding position regulator 23 to move along the center line between the other two groups of position regulators 23. When the wire holders 231 in three groups of position regulators 23 move up or down the same distance at the same time, the matrix light detector 24 can be driven by the three groups of position regulators 23 to move vertically. The matrix light detector 24 can scan over the paint plate 40 during the movement, and the upper surface of the paint plate 40 can be fully detected by adjusting the position of the matrix light detector 24.
[0020] See also Figure 5The matrix light detector 24 includes a base 241, a top cover 242, three bottom sleeves 243, three top sleeves 244, and a plurality of laser sensors (not shown in the figure). The three bottom sleeves 243 are evenly formed on the outer wall of the base 241, and the three top sleeves 244 are evenly formed on the outer wall of the top cover 242. The middle part of the bottom deflection arm 234 passes through the gap between the adjacent bottom sleeves 243 and the top sleeves 244, so that the bottom deflection arm 234 can deflect between the bottom sleeves 243 and the top sleeves 244. The opposite sides of the base 241 and the top cover 242 are connected and fixed in alignment with each other. A plurality of laser sensors are installed in the inner cavity between the base 241 and the top cover 242. A plurality of matrix holes 245 penetrating the base 241 are formed on the base 241. Each laser sensor faces a matrix hole 245, so that the matrix light detector 24 can emit multiple lasers downward, and the multiple lasers are arranged at equal intervals in the horizontal and vertical directions to form a light array. The matrix light detector 24 can measure the receiving time after each laser in the light array is irradiated on the paint plate 40 and reflected, and detect the spots and bubbles on the surface of the paint plate 40. Before the detection, the reference time can be calculated in advance according to the distance between the laser sensor and the paint plate 40. During the detection process, the receiving time can be compared with the reference time: when the receiving time is less than the reference time, it means that there are bubbles at the detection position; when the receiving time is greater than the reference time, it means that there are spots at the monitoring window position. In addition, according to the different receiving times of each laser in the light array and the connection line of the corresponding laser sensor position, the approximate shape, size and position of the bubbles or spots on the surface of the paint plate 40 can be depicted.
[0021] See also Figures 6 to 8 The workpiece placement tool 30 includes a first side cover 31, a second side cover 32, a flipper 33 and a linear push rod 34. A first connecting portion 313 is formed on the first side cover 31, and a second connecting portion 321 is formed on the second side cover 32. After the first connecting portion 313 and the second connecting portion 321 are connected and fixed by a locking member, the first side cover 31 and the second side cover 32 can form a shell structure with an opening. The flipper 33 is arranged inside the shell structure, and the linear push rod 34 is installed on the top of the shell structure. The output end of the linear push rod 34 extends into the shell structure and is connected to the flipper 33. The flipper 33 extends out of the shell structure toward the side of the shell structure opening and clamps and supports the paint board 40. The flipper 33 is arranged in the shell structure and is driven by the linear push rod 34 to flip the paint board 40.
[0022] The flipper 33 includes a lifting block 331, an adjustment shaft 332, a column gear 333, a misalignment adjustment rod 334 and a push arm 335. The adjustment shaft 332 movably passes through the lifting block 331, one end of the adjustment shaft 332 is located outside the shell structure and is used to clamp and support the paint plate 40, and the other end of the adjustment shaft 332 passes through the center of the column gear 333 and is fixedly connected thereto. A guide rail 311 is formed on the inner wall of the first side cover 31, and the lifting block 331 is slidably connected to the guide rail 311, so that the flipper 33 as a whole can move up and down along the guide rail 311; a spur rack 312 is also fixedly connected to the inner wall of the first side cover 31, and the module of the spur rack 312 is equal to the module of the column gear 333, so that when the column gear 333 is aligned with the spur rack 312, the overall up and down movement of the flipper 33 can cause the adjustment shaft 332 to rotate 180 degrees. One end of the misalignment adjustment rod 334 is movably inserted in the lifting block 331, and the other end of the misalignment adjustment rod 334 passes through the side of the outer shell structure. A misalignment adjustment groove 322 that penetrates the second side cover 32 is formed on the outer wall of the second side cover 32. The upper section of the misalignment adjustment groove 322 tilts upward and shrinks, and the lower section of the misalignment adjustment groove 322 tilts downward and shrinks, and the upper and lower ends of the misalignment adjustment groove 322 shrink to opposite sides respectively, so that when the flipper 33 moves up and down as a whole, the misalignment adjustment rod 334 can move in the misalignment adjustment groove 322. The side of the push arm 335 close to the misalignment adjustment rod 334 is sleeved on the misalignment adjustment rod 334 and is fixedly connected thereto. The side of the push arm 335 close to the column gear 333 is penetrated by the column gear 333. When the misalignment adjustment rod 334 moves to the upper end of the misalignment adjustment slot 322, the misalignment adjustment rod 334 can drive the push arm 335 to push the column gear 333 and the adjustment shaft 332 to move close to the spur rack 312, and align the column gear 333 with the spur rack 312. When the misalignment adjustment rod 334 moves to the lower end of the misalignment adjustment slot 322, the misalignment adjustment rod 334 can drive the push arm 335 to push the column gear 333 and the adjustment shaft 332 away from the spur rack 312, and misalign the column gear 333 with the spur rack 312. By utilizing the process of the flipper 33 moving up and down as a whole once, the paint board 40 can be driven to turn over once, so that after one side of the paint board 40 is inspected, the other side can be inspected again.
[0023] In this embodiment, the linear push rod 34 can be an electric push rod, a hydraulic push rod, a pneumatic push rod or other driving devices in the prior art whose output end can perform linear motion.
[0024] In this embodiment, the paint plate 40 can be made of glass plate, steel plate and other materials, and a water-based paint layer of a certain thickness is coated on its surface. After the paint plate 40 is immersed in or passed through the corrosive liquid, it can be placed on the workpiece placement tool 30 for detection.
[0025] The system of the present invention may further include a control system for controlling the operation of the servo motor, the linear push rod, and the matrix light detector detection to adjust the detection position and automatically turn over the paint plate. It should be understood that the control system has no particular limitation and can be implemented by the control technology under the existing technology, which will not be described in detail here.
[0026] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A corrosion resistance testing device for water-based paint, comprising a bracket (10), wherein the upper end and the lower end of the bracket (10) are respectively provided with a top supporting surface and a bottom supporting surface, wherein: It also includes a detection mechanism (20) installed on the top support surface and a workpiece placement tool (30) installed on the bottom support surface, the workpiece placement tool (30) being used to support and place a paint plate (40) to be tested, and the detection mechanism (20) being used to detect corrosion spots and bubbles on the surface of the paint plate (40). The detection mechanism (20) comprises a matrix light detector (24), the matrix light detector (24) being movably arranged above the paint plate (40), and the matrix light detector (24) being capable of emitting a plurality of laser beams downward, the plurality of laser beams being arranged at equal intervals in the horizontal and vertical directions to form a light array, and the matrix light detector (24) detecting the pitting and blistering on the surface of the paint plate (40) by the reception time after each laser beam in the light array is reflected.
2. A corrosion resistance testing device for water-based paint according to claim 1, characterized in that: The detection mechanism (20) further comprises three groups of position regulators (23), and a servo motor (21) and a lead screw (22) for driving each group of position regulators (23), wherein the servo motor (21) is mounted and fixed on the top support surface of the bracket (10), the output end of the servo motor (21) is connected to the top end of the lead screw (22), the bottom end of the lead screw (22) extends below the top support surface of the bracket (10), the upper end of the position regulator (23) is connected to the lead screw (22), and the lower end of the position regulator (23) is connected to the matrix light detector (24). The position regulator (23) comprises a wire seat (231), a top deflection arm (232), a parallel connecting rod (233) and a bottom deflection arm (234); the wire seat (231) is sleeved on the wire rod (22) and threadedly connected thereto; the middle portion of the top deflection arm (232) is deflectably inserted into the wire seat (231); the middle portion of the bottom deflection arm (234) is deflectably inserted into an adjacent side of the matrix light detector (24); the upper ends of the two connecting rods in the parallel connecting rod (233) are both rotatably connected to the end of the top deflection arm (232); and the lower ends of the two connecting rods in the parallel connecting rod (233) are both rotatably connected to the end of the bottom deflection arm (234).
3. A corrosion resistance testing device for water-based paint according to claim 2, characterized in that: The three groups of position regulators (23) are connected and arranged at equal intervals along the radial direction of the matrix light detector (24) on the outside of the matrix light detector (24).
4. A corrosion resistance testing device for water-based paint according to claim 2 or 3, characterized in that: The matrix light detector (24) comprises a base (241), a top cover (242), three bottom shaft sleeves (243), three top shaft sleeves (244) and a plurality of laser sensors, wherein the three bottom shaft sleeves (243) are evenly formed on the outer wall of the base (241), and the three top shaft sleeves (244) are evenly formed on the outer wall of the top cover (242); the middle portion of the bottom deflection arm (234) passes through the gap between adjacent bottom shaft sleeves (243) and top shaft sleeves (244); the facing sides of the base (241) and the top cover (242) are connected and fixed in alignment with each other; the plurality of laser sensors are installed in the inner cavity between the base (241) and the top cover (242); the base (241) is formed with a plurality of matrix holes (245) penetrating the base (241); and each of the laser sensors faces one of the matrix holes (245).
5. The corrosion resistance testing device for water-based paint according to claim 1, characterized in that: The workpiece placement tool (30) comprises a first side cover (31), a second side cover (32), a flipper (33) and a linear push rod (34); the first side cover (31) and the second side cover (32) are connected and fixed to form a shell structure with an opening; the flipper (33) is arranged inside the shell structure; the linear push rod (34) is installed on the top of the shell structure; the output end of the linear push rod (34) extends into the shell structure and is connected to the flipper (33); the flipper (33) extends out of the shell structure toward a side of the shell structure opening and fixes the paint plate (40); the flipper (33) is arranged in the shell structure and is driven by the linear push rod (34).
6. A corrosion resistance testing device for water-based paint according to claim 5, characterized in that: The flipper (33) comprises a lifting block (331), an adjustment shaft (332), a column gear (333), a misalignment adjustment rod (334) and a push arm (335); the adjustment shaft (332) movably passes through the lifting block (331); one end of the adjustment shaft (332) is located outside the shell structure and is fixedly supported by the paint plate (40); the other end of the adjustment shaft (332) passes through the center of the column gear (333) and is fixedly connected thereto; one end of the misalignment adjustment rod (334) is movably inserted into the lifting block (331); the other end of the misalignment adjustment rod (334) passes through the side of the shell structure; a side of the push arm (335) close to the misalignment adjustment rod (334) is sleeved on the misalignment adjustment rod (334) and is fixedly connected thereto; a side of the push arm (335) close to the column gear (333) is passed through by the column gear (333).
7. A corrosion resistance testing device for water-based paint according to claim 6, characterized in that: A guide rail (311) is formed on the inner wall of the first side cover (31), the lifting block (331) is slidably connected to the guide rail (311), and a spur rack (312) is also fixedly connected to the inner wall of the first side cover (31), the module of the spur rack (312) being equal to the module of the column gear (333).
8. A corrosion resistance testing device for water-based paint according to claim 7, characterized in that: A misalignment adjustment groove (322) penetrating the second side cover (32) is formed on the outer wall of the second side cover (32); the upper section of the misalignment adjustment groove (322) is inclined upward and contracted, the lower section of the misalignment adjustment groove (322) is inclined downward and contracted, and the upper and lower ends of the misalignment adjustment groove (322) are respectively contracted to opposite sides, and the contracted misalignment adjustment rod (334) extends into the misalignment adjustment groove (322) and movably cooperates therewith.
9. A corrosion resistance testing device for water-based paint according to claim 8, characterized in that: A first connecting portion (313) is formed on the first side cover (31), and a second connecting portion (321) is formed on the second side cover (32); the first connecting portion (313) and the second connecting portion (321) are connected and fixed with a locking member so that the first side cover (31) and the second side cover (32) form a shell structure.