Automatic scratching instrument

Abstract

The invention provides an automatic scratching instrument, and belongs to the field of scratching instruments, the automatic scratching instrument is composed of a bottom shell, a top shell, a balance mechanism, a scratching needle, an adjusting mechanism, a clamping mechanism, a weight mechanism and a power supply mechanism, in the scheme, an X-axis lead screw sleeve moves to drive a guide rail mounting plate to move, and the guide rail mounting plate moves to drive a push seat connecting frame to move; the pushing seat connecting frame moves to drive the weight pushing seat to move, the weight pushing seat moves to drive the circular movable weight to move, the circular movable weight presses the cross beam after moving, the cross beam rotates, the cross beam rotates to drive the scribing needle to move, the scribing needle is attached to the test plate, the scribing needle can generate scratches on the test plate, and meanwhile the length of the scratches can be controlled. The scratching speed can also be controlled, the Y-axis lead screw rotates to drive the Y-axis lead screw sleeve to move, the Y-axis lead screw sleeve moves to drive the sliding block connecting plate to move, the sliding block connecting plate moves to drive the working table to move, the working table moves to drive the test plate to move, and meanwhile the scratching distance can be adjusted.

Description

Technical Field

[0001] The invention belongs to the technical field of scratch instruments, and in particular relates to an automatic scratch instrument. Background Art

[0002] The scratch tester is a precision instrument used to evaluate the scratch resistance of material surfaces and the adhesion of coatings. It performs detection by applying a controllable load to form scratches on the material surface and analyzing relevant parameters.

[0003] The authorization publication number "CN209036512U" records "a scratch meter, comprising a base, a support column and a support column slot, the base being movably connected to the support column through the support column slot, a support column fixing bolt being attached to the right side of the support column, the first gear being meshed with the second gear, the second gear being interference fit with the connecting rod, the connecting rod being clearance fit with the scratch needle housing, the outer surface of the left knob being machined with a scale, the front upper surface of the base being machined with a base protrusion, the base protrusion being slidingly engaged with the workbench through the workbench groove. The scratch meter, through the cooperation of the knob and the connecting rod, causes the knob to drive the connecting rod to rotate, through the cooperation of the connecting rod and the second gear, through the cooperation of the support column and the support column slot, causes the support column to be fixed under the action of the support column fixing bolt, and through the cooperation of the workbench groove and the base protrusion, causes the workbench to move along the direction of the workbench slot. The method of use is simple, the practicability is strong, and it is easy to promote."

[0004] The above patent has a simple method of use, strong practicality and is easy to promote. However, after one scratch is made, the test plate needs to be manually loosened from the test plate holder and re-clamped before the next scratch can be made. At the same time, the test plate holder needs to be manually moved to the position of the next scratch before the next scratch can be made. Summary of the Invention

[0005] The present invention aims to provide an automatic scratch tester, which aims to solve the problem in the prior art that after a scratch is made by the scratch tester, the test plate must be manually loosened from the test plate frame and re-clamped before the next scratch can be performed intermittently.

[0006] To achieve the above object, the present invention provides the following technical solutions: An automatic scratch tester, comprising: bottom shell; a top shell, which is disposed on the bottom shell; A balancing mechanism is provided on the bottom shell and the top shell; A stylus is provided on the balancing mechanism, and the balancing mechanism is used to place the stylus vertically; An adjusting mechanism is provided on the bottom shell; A clamping mechanism is provided on the adjusting mechanism, and the adjusting mechanism is used to drive the clamping mechanism to move in a horizontal direction; A weight mechanism is provided on the adjustment mechanism, and is used to drive the stylus to move; The power supply mechanism is arranged on the bottom shell and the top shell.

[0007] As a preferred solution of the present invention, the balancing mechanism includes: A rotating component is provided on the bottom shell; The balancing auxiliary component is arranged on the rotating component.

[0008] As a preferred solution of the present invention, the rotating component includes a crossbeam, a mounting bracket and a rotating shaft, the mounting bracket is fixedly connected to the bottom shell, the rotating shaft is rotatably connected to the mounting bracket, the crossbeam is fixedly connected to the rotating shaft, and one end of the crossbeam movably passes through the top shell and extends to the outside of the top shell.

[0009] As a preferred solution of the present invention, the balancing auxiliary component includes a balancing weight and an electric telescopic rod. The balancing weight is installed on the crossbeam, and one end of the balancing weight movably passes through the top shell and extends to the outside of the top shell. The electric telescopic rod is fixedly connected to the mounting bracket, and the output end of the electric telescopic rod matches the crossbeam.

[0010] As a preferred solution of the present invention, the adjustment mechanism includes: An X-axis adjustment component is provided on the bottom shell; The Y-axis adjustment component is arranged on the X-axis adjustment component.

[0011] As a preferred solution of the present invention, the X-axis adjustment component includes a mounting base, an X-axis guide rail, an X-axis slider, an X-axis screw sleeve, a guide rail mounting plate, an X-axis stepper motor and a bearing seat. The mounting base is fixedly connected to the bottom shell, two X-axis guide rails are provided, and the two X-axis guide rails are fixedly connected to the top of the mounting base, and the two X-axis guide rails are symmetrically arranged. There are two X-axis sliders, each of the X-axis sliders is slidably connected to each X-axis guide rail, the bearing seat is fixedly connected to the mounting base, the X-axis screw is rotatably connected to the bearing seat, and one end of the X-axis screw rotates through the bearing seat and extends to the outside of the bearing seat, the X-axis stepper motor is fixedly connected to the mounting base, and the output end of the X-axis stepper motor is fixedly connected to the X-axis screw, the X-axis screw sleeve is threadedly connected to the X-axis screw, and the X-axis screw sleeves are fixedly connected to the two X-axis sliders.

[0012] As a preferred solution of the present invention, the Y-axis adjustment component includes a guide rail mounting plate, a Y-axis guide rail, a slider connecting plate, a Y-axis screw sleeve, a Y-axis slider, a Y-axis screw and a Y-axis stepping motor. The guide rail mounting plate is fixedly connected to the X-axis screw sleeve, two Y-axis guide rails are provided, and the two Y-axis guide rails are fixedly connected to the top of the guide rail mounting plate, and the two Y-axis guide rails are symmetrically arranged, two Y-axis sliders are provided, each of the Y-axis sliders is slidably connected to each Y-axis guide rail, the Y-axis stepping motor is fixedly connected to the guide rail mounting plate, the Y-axis screw is fixedly connected to the output end of the Y-axis stepping motor, the Y-axis screw sleeve is threadedly connected to the Y-axis screw, and the Y-axis screw sleeves are fixedly connected to the two Y-axis sliders, and the slider connecting plate is fixedly connected to the Y-axis screw sleeve.

[0013] As a preferred solution of the present invention, the clamping mechanism includes a workbench and a clamp, the workbench is fixedly connected to the slider connecting plate, and the workbench is located on the upper side of the bottom shell, and the clamp is installed on the top of the workbench.

[0014] As a preferred solution of the present invention, the weight mechanism includes a weight push seat, a circular movable weight and a push seat connecting frame, the push seat connecting frame is fixedly connected to the guide rail mounting plate, the weight push seat is fixedly connected to the push seat connecting frame, and the weight push seat movably passes through the bottom shell and extends to the upper side of the bottom shell, the circular movable weight is movably clamped on the weight push seat, and the circular movable weight is located on the upper side of the beam.

[0015] As a preferred solution of the present invention, the power supply mechanism includes a display screen, a power supply, a power switch and a stepper motor controller, the power supply is installed in the bottom shell, the power switch is installed in the bottom shell, the display screen is installed on the top shell, and the stepper motor controller is installed on the bottom shell.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In this solution, the installation base plate and the X-axis slider are set to limit the X-axis screw sleeve to only linear movement. The output end of the X-axis stepper motor drives the X-axis screw to rotate, and the rotation of the X-axis screw drives the X-axis screw sleeve to move. The movement of the X-axis screw sleeve drives the guide rail mounting plate to move. The movement of the guide rail mounting plate drives the push seat connecting frame to move. The movement of the push seat connecting frame drives the weight push seat to move. The movement of the weight push seat drives the circular moving weight to move. After the circular moving weight moves, it presses the crossbeam, causing the crossbeam to rotate. After the crossbeam rotates, it drives the marking needle to move, so that the marking needle fits with the test plate, so that the marking needle can produce scratches on the test plate. At the same time, the length of the scratch can be controlled, and the speed of the scratch can also be controlled.

[0017] 2. In this solution, the Y-axis guide rail and Y-axis slider are set to limit the Y-axis screw sleeve to linear motion. The output end of the Y-axis stepper motor drives the Y-axis screw to rotate, and the rotation of the Y-axis screw drives the Y-axis screw sleeve to move. The movement of the Y-axis screw sleeve drives the movement of the slider connecting plate. The movement of the slider connecting plate drives the movement of the workbench. The movement of the workbench drives the movement of the test plate. At the same time, the spacing of the scratches can be adjusted.

[0018] 3. In this solution, the crossbeam can be rotated by the setting of the rotating shaft, so that one end of the crossbeam descends and the other end rises. The descending end of the crossbeam drives the scratching needle to descend, so that the scratching needle fits the test plate, thereby ensuring that the scratching needle can scratch the test plate.

[0019] 4. In this solution, the balancing weight is installed on the beam, so that after the balancing weight and the marking needle are installed on the beam, the beam can be kept in a horizontal state. The electric telescopic rod can push the beam to rotate, so that the marking needle is separated from the test plate, making it easy to move the test plate and preventing scratches from the marking needle when the test plate moves.

[0020] 5. In this solution, since the circular movable weight is movably connected to the weight push seat, the circular movable weight can move on the weight push seat. As the weight push seat moves, the circular movable weight can be driven to move. After the circular movable weight moves, it can press the beam to rotate. By moving the circular movable weight to different positions, the load borne by the beam is different, thereby adjusting the pressure of the stylus. At the same time, when the beam cannot rotate, the circular movable weight will move on the groove on the weight push seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the structure inside the top shell of the present invention; Figure 3 This is a schematic diagram of the structure inside the bottom shell of the present invention; Figure 4 This is a structural diagram of the push seat connecting frame of the present invention; Figure 5 This is a schematic diagram of the structure of the installation base plate of the present invention; Figure 6 It is a structural schematic diagram of the crossbeam of the present invention; Figure 7 This is a structural diagram of the connecting plate of the slider of the present invention; Figure 8 This is a structural diagram of the guide rail mounting plate of the present invention; Figure 9It is a structural schematic diagram of the X-axis screw sleeve of the present invention.

[0022] In the figure: 1. bottom shell; 2. display screen; 3. top shell; 4. balancing weight; 5. crossbeam; 6. weight push seat; 7. circular movable weight; 8. marking needle; 9. workbench; 10. clamp; 11. mounting bracket; 12. rotating shaft; 13. electric telescopic rod; 14. power supply; 15. power switch; 16. mounting base; 17. stepper motor controller; 18. push seat connecting frame; 19. X-axis guide rail; 20. X-axis slider; 21. X-axis screw sleeve; 22. guide rail mounting plate; 23. Y-axis guide rail; 24. X-axis stepper motor; 25. slider connecting plate; 26. Y-axis screw sleeve; 28. Y-axis slider; 29. Y-axis screw; 30. Y-axis stepper motor; 31. X-axis screw; 32. bearing seat. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figures 1-9 , the technical solutions provided in this embodiment are as follows: An automatic scratch tester consists of a bottom shell 1, a top shell 3, a balancing mechanism, a scratching needle 8, an adjustment mechanism, a clamping mechanism, a weight mechanism and a power supply mechanism. The top shell 3 is arranged on the bottom shell 1, and the scratching needle 8 is arranged on the balancing mechanism. The balancing mechanism is used to place the scratching needle 8 vertically.

[0025] In a specific embodiment of the present invention, the top shell 3 is fixedly connected to the top of the bottom shell 1, the scratching needle 8 is installed on the beam 5, and the scratching needle 8 is located on the upper side of the workbench 9. After the scratching needle 8 scratches the coating, conductivity will be shown between the scratching needle 8 and the test plate.

[0026] Specifically, the rotating component is provided on the bottom shell 1, and the rotating component includes a beam 5, a mounting bracket 11 and a rotating shaft 12. The mounting bracket 11 is fixedly connected to the bottom shell 1, and the rotating shaft 12 is rotatably connected to the mounting bracket 11. The beam 5 is fixedly connected to the rotating shaft 12, and one end of the beam 5 movably passes through the top shell 3 and extends to the outside of the top shell 3.

[0027] In a specific embodiment of the present invention, the mounting bracket 11 is used to install the rotating shaft 12. The beam 5 can be rotated through the setting of the rotating shaft 12, so that one end of the beam 5 descends and the other end rises. The descending end of the beam 5 drives the marking needle 8 to descend, so that the marking needle 8 fits with the test plate, thereby ensuring that the marking needle 8 can scratch the test plate.

[0028] Specifically, the balancing auxiliary component is provided on the rotating component, and the balancing auxiliary component includes a balancing weight 4 and an electric telescopic rod 13. The balancing weight 4 is installed on the beam 5, and one end of the balancing weight 4 movably passes through the top shell 3 and extends to the outside of the top shell 3. The electric telescopic rod 13 is fixedly connected to the mounting bracket 11, and the output end of the electric telescopic rod 13 matches the beam 5.

[0029] In a specific embodiment of the present invention, the balancing weight 4 is installed on the beam 5, so that after the balancing weight 4 and the marking needle 8 are installed on the beam 5, the beam 5 can be kept in a horizontal state. The setting of the electric telescopic rod 13 can push the beam 5 to rotate, so that the marking needle 8 is separated from the test plate, making the test plate easy to move and preventing the marking needle 8 from causing scratches when the test plate moves.

[0030] Specifically, the X-axis adjustment component is provided on the bottom shell 1, and the X-axis adjustment component includes a mounting base 16, an X-axis guide rail 19, an X-axis slider 20, an X-axis screw sleeve 21, a guide rail mounting plate 22, an X-axis stepper motor 24 and a bearing seat 32. The mounting base 16 is fixedly connected to the bottom shell 1, and two X-axis guide rails 19 are provided. The two X-axis guide rails 19 are fixedly connected to the top of the mounting base 16, and the two X-axis guide rails 19 are symmetrically arranged. There are two X-axis sliders 20, and each X-axis slider 20 is slidably connected. On each X-axis guide rail 19, the bearing seat 32 is fixedly connected to the mounting base 16, the X-axis screw rod 31 is rotatably connected to the bearing seat 32, and one end of the X-axis screw rod 31 rotates through the bearing seat 32 and extends to the outside of the bearing seat 32, the X-axis stepper motor 24 is fixedly connected to the mounting base 16, and the output end of the X-axis stepper motor 24 is fixedly connected to the X-axis screw rod 31, the X-axis screw rod sleeve 21 is threadedly connected to the X-axis screw rod 31, and the X-axis screw rod sleeves 21 are fixedly connected to the two X-axis sliders 20.

[0031] In a specific embodiment of the present invention, the installation base plate 16 and the X-axis slider 20 are set to limit the X-axis screw sleeve 21 to only linear movement. The output end of the X-axis stepper motor 24 drives the X-axis screw 31 to rotate. The rotation of the X-axis screw 31 drives the X-axis screw sleeve 21 to move. The movement of the X-axis screw sleeve 21 drives the guide rail mounting plate 22 to move. The movement of the guide rail mounting plate 22 drives the push seat connecting frame 18 to move. The movement of the push seat connecting frame 18 drives the weight push seat 6 to move. The movement of the weight push seat 6 drives the circular movable weight 7 to move. After the circular movable weight 7 moves, it presses the crossbeam 5, causing the crossbeam 5 to rotate. After the crossbeam 5 rotates, it drives the marking needle 8 to move, so that the marking needle 8 fits with the test plate, so that the marking needle 8 can produce scratches on the test plate. At the same time, the length of the scratch can be controlled, and the speed of the scratch can also be controlled.

[0032] Specifically, the Y-axis adjustment component is provided on the X-axis adjustment component. The Y-axis adjustment component includes a guide rail mounting plate 22, a Y-axis guide rail 23, a slider connecting plate 25, a Y-axis screw sleeve 26, a Y-axis slider 28, a Y-axis screw 29 and a Y-axis stepping motor 30. The guide rail mounting plate 22 is fixedly connected to the X-axis screw sleeve 21. There are two Y-axis guide rails 23. The two Y-axis guide rails 23 are fixedly connected to the top of the guide rail mounting plate 22, and the two Y-axis guide rails 23 are symmetrically arranged. There are two Y-axis sliders 28. Each Y-axis slider 28 is slidably connected to each Y-axis guide rail 23. The Y-axis stepping motor 30 is fixedly connected to the guide rail mounting plate 22. The Y-axis screw 29 is fixedly connected to the output end of the Y-axis stepping motor 30. The Y-axis screw sleeve 26 is threadedly connected to the Y-axis screw 29, and the Y-axis screw sleeves 26 are fixedly connected to the two Y-axis sliders 28. The slider connecting plate 25 is fixedly connected to the Y-axis screw sleeve 26.

[0033] In a specific embodiment of the present invention, the Y-axis guide rail 23 and the Y-axis slider 28 are set to limit the Y-axis screw sleeve 26 to only linear movement. The output end of the Y-axis stepper motor 30 drives the Y-axis screw 29 to rotate, and the rotation of the Y-axis screw 29 drives the Y-axis screw sleeve 26 to move. The movement of the Y-axis screw sleeve 26 drives the slider connecting plate 25 to move. The movement of the slider connecting plate 25 drives the workbench 9 to move. The movement of the workbench 9 drives the test plate to move, and the spacing of the scratches can be adjusted at the same time.

[0034] Specifically, the clamping mechanism is provided on the adjusting mechanism, which is used to drive the clamping mechanism to move in the horizontal direction. The clamping mechanism includes a workbench 9 and a clamp 10. The workbench 9 is fixedly connected to the slider connecting plate 25, and the workbench 9 is located on the upper side of the bottom shell 1. The clamp 10 is installed on the top of the workbench 9.

[0035] In a specific embodiment of the present invention, the workbench 9 is used to support the test plate, and the fixture 10 can clamp the test plate to prevent the test plate from moving during measurement and affecting the measurement structure.

[0036] Specifically, the weight mechanism is arranged on the adjustment mechanism, and the weight mechanism is used to drive the marking needle 8 to move. The weight mechanism includes a weight push seat 6, a circular movable weight 7 and a push seat connecting frame 18. The push seat connecting frame 18 is fixedly connected to the guide rail mounting plate 22, and the weight push seat 6 is fixedly connected to the push seat connecting frame 18, and the weight push seat 6 movably passes through the bottom shell 1 and extends to the upper side of the bottom shell 1, the circular movable weight 7 is movably clamped on the weight push seat 6, and the circular movable weight 7 is located on the upper side of the beam 5.

[0037] In a specific embodiment of the present invention, the weight push seat 6 and the push seat connecting frame 18 are used to connect the circular movable weight 7. Since the circular movable weight 7 is movably connected to the weight push seat 6, the circular movable weight 7 can move on the weight push seat 6. As the weight push seat 6 moves, the circular movable weight 7 can be driven to move. After the circular movable weight 7 moves, it can press the beam 5 to rotate. By moving the circular movable weight 7 to different positions, the load borne by the beam 5 is different, thereby adjusting the pressure of the marking needle 8. At the same time, when the beam 5 cannot rotate, the circular movable weight 7 will move on the groove on the weight push seat 6.

[0038] Specifically, the power supply mechanism is arranged on the bottom shell 1 and the top shell 3. The power supply mechanism includes a display screen 2, a power supply 14, a power switch 15 and a stepper motor controller 17. The power supply 14 is installed in the bottom shell 1, the power switch 15 is installed in the bottom shell 1, the display screen 2 is installed on the top shell 3, and the stepper motor controller 17 is installed on the bottom shell 1.

[0039] In a specific embodiment of the present invention, the power supply 14 is electrically connected to the power switch 15, the power supply 14 is electrically connected to the stepper motor controller 17, the power supply 14 is electrically connected to the display screen 2, and the stepper motor controller 17 is electrically connected to the X-axis stepper motor 24 and the Y-axis stepper motor 30. A digital program module for scratching speed, scratching length and number of scratches is provided in the display screen 2 to facilitate direct input of the required parameters.

[0040] The working principle of an automatic scratch tester provided by the present invention is as follows: the test plate can be clamped by the clamp 10, the output end of the X-axis stepping motor 24 drives the X-axis screw 31 to rotate, the rotation of the X-axis screw 31 drives the X-axis screw sleeve 21 to move, the movement of the X-axis screw sleeve 21 drives the X-axis slider 20 to slide on the mounting base 16, the movement of the X-axis screw sleeve 21 drives the guide rail mounting plate 22 to move, the movement of the guide rail mounting plate 22 drives the push seat connecting frame 18 to move, the movement of the push seat connecting frame 18 drives the weight push seat 6 to move, the movement of the weight push seat 6 drives the circular moving weight 7 to move, and the circular moving weight 7 moves. After the dynamic weight 7 moves, it pushes the crossbeam 5 to rotate. After the crossbeam 5 rotates, it drives the marking needle 8 to move, so that the marking needle 8 fits the test plate. The output end of the Y-axis stepper motor 30 drives the Y-axis screw 29 to rotate. The rotation of the Y-axis screw 29 drives the Y-axis screw sleeve 26 to move. The movement of the Y-axis screw sleeve 26 drives the Y-axis slider 28 to slide on the Y-axis guide rail 23. The movement of the Y-axis screw sleeve 26 drives the slider connecting plate 25 to move. The movement of the slider connecting plate 25 drives the workbench 9 to move. The movement of the workbench 9 drives the test plate to move. After the test plate moves, the marking needle 8 can produce scratches on the test plate.

[0041] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An automatic scratch tester, characterized in that: include; bottom shell (1); A top shell (3) disposed on the bottom shell (1); A balancing mechanism is provided on the bottom shell (1) and the top shell (3); A marking needle (8) is provided on the balancing mechanism, wherein the balancing mechanism is used to vertically position the marking needle (8); An adjusting mechanism is provided on the bottom shell (1); A clamping mechanism is provided on the adjusting mechanism, and the adjusting mechanism is used to drive the clamping mechanism to move in a horizontal direction; A weight mechanism is provided on the adjustment mechanism, and the weight mechanism is used to drive the marking needle (8) to move; The power supply mechanism is provided on the bottom shell (1) and the top shell (3).

2. An automatic scratch tester according to claim 1, characterized in that: The balancing mechanism comprises: A rotating component is provided on the bottom shell (1); The balancing auxiliary component is arranged on the rotating component.

3. The automatic scratch tester according to claim 2, characterized in that: The rotating component comprises a crossbeam (5), a mounting bracket (11) and a rotating shaft (12); the mounting bracket (11) is fixedly connected to the bottom shell (1); the rotating shaft (12) is rotatably connected to the mounting bracket (11); the crossbeam (5) is fixedly connected to the rotating shaft (12); and one end of the crossbeam (5) movably passes through the top shell (3) and extends to the outside of the top shell (3).

4. The automatic scratch tester according to claim 3, characterized in that: The balancing auxiliary component comprises a balancing weight (4) and an electric telescopic rod (13), wherein the balancing weight (4) is mounted on the crossbeam (5), and one end of the balancing weight (4) movably penetrates the top shell (3) and extends to the outside of the top shell (3), and the electric telescopic rod (13) is fixedly connected to the mounting bracket (11), and the output end of the electric telescopic rod (13) matches the crossbeam (5).

5. The automatic scratch tester according to claim 4, characterized in that: The regulating mechanism comprises: An X-axis adjustment component is provided on the bottom shell (1); The Y-axis adjustment component is arranged on the X-axis adjustment component.

6. The automatic scratch tester according to claim 5, characterized in that: The X-axis adjustment component includes a mounting base (16), an X-axis guide rail (19), an X-axis slider (20), an X-axis screw sleeve (21), a guide rail mounting plate (22), an X-axis stepper motor (24) and a bearing seat (32), wherein the mounting base (16) is fixedly connected to the bottom shell (1), two X-axis guide rails (19) are provided, and the two X-axis guide rails (19) are fixedly connected to the top of the mounting base (16), and the two X-axis guide rails (19) are symmetrically arranged, and two X-axis sliders (20) are provided, and each X-axis slider (20) is slidably connected to each X-axis guide rail. (19), the bearing seat (32) is fixedly connected to the mounting base (16), the X-axis screw rod (31) is rotatably connected to the bearing seat (32), and one end of the X-axis screw rod (31) rotates through the bearing seat (32) and extends to the outside of the bearing seat (32), the X-axis stepper motor (24) is fixedly connected to the mounting base (16), and the output end of the X-axis stepper motor (24) is fixedly connected to the X-axis screw rod (31), the X-axis screw rod sleeve (21) is threadedly connected to the X-axis screw rod (31), and the X-axis screw rod sleeve (21) is fixedly connected to the two X-axis sliders (20).

7. The automatic scratch tester according to claim 6, characterized in that: The Y-axis adjustment component comprises a guide rail mounting plate (22), a Y-axis guide rail (23), a slider connecting plate (25), a Y-axis screw sleeve (26), a Y-axis slider (28), a Y-axis screw (29) and a Y-axis stepping motor (30), wherein the guide rail mounting plate (22) is fixedly connected to the X-axis screw sleeve (21), two Y-axis guide rails (23) are provided, both of which are fixedly connected to the top of the guide rail mounting plate (22), and the two Y-axis guide rails (23) are symmetrically arranged, and the Y-axis slider (28) is fixedly connected to the X-axis screw sleeve (21). 8) There are two Y-axis sliders (28), each of which is slidably connected to each Y-axis guide rail (23), the Y-axis stepper motor (30) is fixedly connected to the guide rail mounting plate (22), the Y-axis screw rod (29) is fixedly connected to the output end of the Y-axis stepper motor (30), the Y-axis screw rod sleeve (26) is threadedly connected to the Y-axis screw rod (29), and the Y-axis screw rod sleeve (26) is fixedly connected to the two Y-axis sliders (28), and the slider connecting plate (25) is fixedly connected to the Y-axis screw rod sleeve (26).

8. The automatic scratch tester according to claim 7, characterized in that: The clamping mechanism comprises a workbench (9) and a clamp (10), wherein the workbench (9) is fixedly connected to the slider connecting plate (25), and the workbench (9) is located on the upper side of the bottom shell (1), and the clamp (10) is installed on the top of the workbench (9).

9. The automatic scratch tester according to claim 8, characterized in that: The weight mechanism comprises a weight push seat (6), a circular movable weight (7) and a push seat connecting frame (18), wherein the push seat connecting frame (18) is fixedly connected to the guide rail mounting plate (22), the weight push seat (6) is fixedly connected to the push seat connecting frame (18), and the weight push seat (6) movably passes through the bottom shell (1) and extends to the upper side of the bottom shell (1), the circular movable weight (7) is movably connected to the weight push seat (6), and the circular movable weight (7) is located on the upper side of the crossbeam (5).

10. The automatic scratch tester according to claim 9, characterized in that: The power supply mechanism comprises a display screen (2), a power supply (14), a power switch (15) and a stepper motor controller (17), wherein the power supply (14) is installed in the bottom shell (1), the power switch (15) is installed in the bottom shell (1), the display screen (2) is installed on the top shell (3), and the stepper motor controller (17) is installed on the bottom shell (1).

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