Paper scratch tester

Abstract

The utility model discloses a paper scratch tester which comprises a working table and a testing tool, a testing table and a supporting frame are arranged on the upper portion of the working table, a first driver is arranged in the working table and can drive the testing table to rotate, the supporting frame comprises a horizontal plate, the horizontal plate is located above the testing table, and the testing tool penetrates through the horizontal plate. The testing tool comprises a scratching head which can abut against the upper portion of the testing table. Paper to be tested is fixed on the test board, the position of the scratch head is kept unchanged, the test board can be driven to rotate through the first driver, and rotary scratch testing is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper detection, and more specifically to a paper scratch tester. Background Art

[0002] Laser paper is a paper with laser pattern composite transferred to the paper surface, so that the paper has laser effect. Laser paper needs to undergo various performance tests before and after production, among which the scratch test is particularly important. The existing laser paper scratch test is tested by a scratch tester.

[0003] The scratch test is to repeatedly scratch the surface of the product under test at a set pressure and frequency, and analyze the surface after each scratch to detect the scratch resistance of the product surface. The existing scratch tester performs scratch tests by moving the scratch head back and forth on the paper surface. It is not possible to perform rotational scratch tests, has a single test function, and has poor reliability. Therefore, it is urgently needed to improve this. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a paper scratch tester. The paper to be tested is fixed on a test table, the position of the scratch head remains unchanged, and the test table can be driven to rotate by a first driver to realize a rotating scratch test.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model discloses a paper scratch tester, comprising a workbench and a testing tool, wherein the upper portion of the workbench is provided with a testing table and a supporting frame, the interior of the workbench is provided with a first driver, the first driver can drive the testing table to rotate, the supporting frame comprises a horizontal plate, the horizontal plate is located above the testing table, the testing tool passes through the horizontal plate, the testing tool comprises a scratch head, and the scratch head can abut against the upper portion of the testing table.

[0007] Furthermore, the test bench includes a support platform, a mounting platform is provided on the upper portion of the support platform, clamping plates are provided near both sides of the upper portion of the mounting platform, and the clamping plates are connected to the mounting platform by bolts.

[0008] Furthermore, a connecting rod is connected to the upper part of the scratching head, and the connecting rod passes through the horizontal plate. A guide platform is provided on the upper part of the horizontal plate, and the connecting rod passes through the guide platform. The cross section of the connecting rod is non-circular.

[0009] Furthermore, the upper part of the horizontal plate is provided with a plurality of limiting ribs evenly distributed along the center of the connecting rod, the upper end of the connecting rod is inserted into the area surrounded by the plurality of limiting ribs, the area can be used to place weights, and the weights can abut against the upper part of the connecting rod.

[0010] Furthermore, it also includes a latch, the connecting rod includes a transversely arranged through hole, a protrusion is fixed on the upper part of the horizontal plate, and the latch can penetrate the protrusion and be inserted into the through hole for fixation.

[0011] Furthermore, the scratching head includes a boss, a sealing ring is sleeved on the outer side of the boss, a mounting groove is provided at the lower part of the connecting rod, the boss is inserted into the mounting groove, the sealing ring is tightly matched with the inner wall of the mounting groove, and the boss is non-circular.

[0012] Furthermore, the first driver includes a first motor and a worm gear mechanism, the first motor is connected to the worm gear mechanism, and the worm gear mechanism is connected to the test bench.

[0013] Furthermore, the surface of the workbench is provided with an avoidance groove, the support frame includes a vertical plate connected to the horizontal plate, the lower part of the vertical plate passes through the avoidance groove and is inserted into the workbench, and the support frame can move horizontally in the avoidance groove.

[0014] Furthermore, the support frame is moved by a second driver, which includes a second motor, a screw rod and a guide rod. A slider is provided at the lower end of the vertical plate, the screw rod and the guide rod pass through the slider, the slider is threadedly connected to the screw rod, and the second motor can drive the screw rod to rotate.

[0015] The beneficial effects of the utility model are:

[0016] 1. When doing the rotation scratch test, fix the paper to be tested on the surface of the test bench. The test tool uses its own gravity to make the scratch head contact the surface of the paper to be tested. The test bench is driven to rotate by the first driver. The scratch head can rotate and rub on the surface of the paper to be tested to achieve the rotation scratch test.

[0017] 2. In the utility model, weights of different weights can be placed in the area surrounded by a plurality of limiting ribs, which can change the pressure of the scratch head on the surface of the paper to be tested, so that the scratch test can be performed under different pressures, which greatly improves the test effect. In addition, by arranging the limiting ribs at intervals, it can not only guide and limit the weights, improve the uniformity of the force on the scratch head, but also facilitate the taking and placement of the weights, which is convenient for operation;

[0018] 3. Through the cooperation of the boss and the mounting groove, the detachable design of the scratch head can be realized, which is convenient for replacing scratch heads of different specifications and styles, thereby effectively improving the scratch test effect. In addition, by setting a sealing ring, not only the connection between the scratch head and the connecting rod is more reliable, but also the disassembly of the scratch head is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A structural diagram of this embodiment;

[0020] Figure 2 It is a bottom view of this embodiment;

[0021] Figure 3 is a cross-sectional view of this embodiment;

[0022] Figure 4 for Figure 3 A cross-sectional view at point A;

[0023] Figure 5 for Figure 3 Cross-sectional view at B.

[0024] Attached figures: 1. workbench; 11. avoidance groove; 2. test bench; 21. support table; 22. mounting table; 23. clamp; 3. support frame; 31. horizontal plate; 32. vertical plate; 33. guide table; 34. bump; 35. slider; 4. test tool; 41. scratch head; 42. boss; 43. connecting rod; 44. mounting groove; 45. sealing ring; 46. through hole; 5. weight; 6. limiting rib; 7. latch; 8. first drive; 81. first motor; 82. worm gear mechanism; 9. second drive; 91. second motor; 92. screw; 93. guide rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figures 1 to 5 As shown, a paper scratch tester includes a workbench 1 and a test tool 4, a test table 2 and a support frame 3 are provided on the upper part of the workbench 1, a first driver 8 is provided inside the workbench 1, and the first driver 8 can drive the test table 2 to rotate, specifically, the first driver 8 includes a first motor 81 and a worm gear mechanism 82, the first motor 81 is connected to the worm gear mechanism 82, the worm gear mechanism 82 is connected to the test table 2, the worm gear mechanism 82 is prior art, and the connection between the worm gear mechanism 82 and the first motor 81 and the test table 2 is also prior art, so its specific structure is not repeated in this specification, the support frame 3 includes a horizontal plate 31, the horizontal plate 31 is located above the test table 2, the test tool 4 passes through the horizontal plate 31, the test tool 4 includes a scratch head 41, and the scratch head 41 can abut against the upper part of the test table 2.

[0027] When performing a rotational scratch test, the paper to be tested is fixed on the upper surface of the test table 2. The test tool 4 uses its own gravity to make its scratch head 41 contact the surface of the paper to be tested. The test table 2 is driven to rotate by the first driver 8. The scratch head 41 can rotate and rub on the surface of the paper to be tested to achieve a rotational scratch test.

[0028] The test bench 2 includes a support platform 21, a worm gear mechanism 82 is connected to the lower surface of the support platform 21, a mounting platform 22 is provided on the upper part of the support platform 21, a clamping plate 23 is provided on the upper part of the mounting platform 22 near both sides, and the clamping plate 23 is connected to the mounting platform 22 by bolts. The paper to be tested can be placed on the upper part of the mounting platform 22, and the clamping plate 23 is tightened by bolts and presses the upper surface of the edge of the paper to be tested to fix the paper to be tested.

[0029] The surface of the workbench 1 is provided with an avoidance groove 11, and the support frame 3 includes a vertical plate 32 connected to the horizontal plate 31. The lower part of the vertical plate 32 passes through the avoidance groove 11 and is inserted into the inside of the workbench 1. The support frame 3 can move horizontally in the avoidance groove 11. Specifically, the support frame 3 is moved by a second driver 9, and the second driver 9 includes a second motor 91, a screw rod 92 and a guide rod 93. A slider 35 is provided at the lower end of the vertical plate 32, and the screw rod 92 and the guide rod 93 pass through the slider 35. The slider 35 is threadedly connected with the screw rod 92. The second motor 91 can drive the screw rod 92 to rotate. The support frame 3 is driven to move horizontally by the second driver 9, so that a back and forth scratch test of the paper to be tested can be realized.

[0030] A connecting rod 43 is connected to the upper part of the scratch head 41, and the connecting rod 43 passes through the horizontal plate 31. A guide platform 33 is provided on the upper part of the horizontal plate 31. The connecting rod 43 passes through the guide platform 33. The cross-section of the connecting rod 43 is non-circular. A plurality of limiting ribs 6 are evenly distributed along the center of the connecting rod 43 are provided on the upper part of the horizontal plate 31. The upper end of the connecting rod 43 is inserted into the area surrounded by the plurality of limiting ribs 6, and a weight 5 can be placed in the area, and the weight 5 can abut against the upper part of the connecting rod 43. In the utility model, weights 5 of different gram weights can be placed in the area surrounded by the plurality of limiting ribs 6, and the pressure of the scratch head 41 on the surface of the paper to be tested can be changed, so that the scratch test can be performed under different pressures, which greatly improves the test effect. In addition, by arranging the limiting ribs 6 at intervals, it can not only guide and limit the weight 5, thereby improving the uniformity of the force on the scratch head 41, but also facilitate the taking and placement of the weight 5, and facilitate operation.

[0031] The scratch head 41 includes a boss 42, a sealing ring 45 is sleeved on the outer side of the boss 42, a mounting groove 44 is provided at the lower part of the connecting rod 43, the boss 42 is inserted into the mounting groove 44, the sealing ring 45 is tightly fitted with the inner wall of the mounting groove 44, and the boss 42 is non-circular. Through the cooperation between the boss 42 and the mounting groove 44, the detachable design of the scratch head 41 can be realized, which is convenient for replacing scratch heads 41 of different specifications and styles, thereby effectively improving the scratch test effect, and by providing the sealing ring 45, not only the connection between the scratch head 41 and the connecting rod 43 is made more reliable, but also the disassembly of the scratch head 41 is convenient.

[0032] The utility model further includes a latch 7, the connecting rod 43 includes a transversely arranged through hole 46, a protrusion 34 is fixed on the upper part of the horizontal plate 31, and the latch 7 can penetrate the protrusion 34 and be inserted into the through hole 46 for fixation. When the scratch head 41 needs to be replaced, the test tool 4 is pushed upward so that the through hole 46 is aligned with the latch 7, and then the latch 7 is pushed and inserted into the through hole 46. In this way, not only can the test tool 4 be prevented from falling, but also sufficient space can be provided for replacing the scratch head 41. At this time, the scratch head 41 can be pulled downward to separate from the connecting rod 43, thereby realizing the disassembly of the scratch head 41.

[0033] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A paper scratch tester, characterized in that: The invention comprises a workbench (1) and a test tool (4); a test table (2) and a support frame (3) are arranged on the upper part of the workbench (1); a first driver (8) is arranged inside the workbench (1); the first driver (8) can drive the test table (2) to rotate; the support frame (3) comprises a horizontal plate (31); the horizontal plate (31) is located above the test table (2); the test tool (4) passes through the horizontal plate (31); the test tool (4) comprises a scratch head (41); the scratch head (41) can abut against the upper part of the test table (2).

2. A paper scratch tester according to claim 1, characterized in that: The test bench (2) comprises a support platform (21), a mounting platform (22) is provided on the upper part of the support platform (21), clamping plates (23) are provided on the upper part of the mounting platform (22) near both sides, and the clamping plates (23) are connected to the mounting platform (22) by bolts.

3. A paper scratch tester according to claim 1, characterized in that: The upper part of the scratching head (41) is connected with a connecting rod (43), the connecting rod (43) passes through the horizontal plate (31), the upper part of the horizontal plate (31) is provided with a guide platform (33), the connecting rod (43) passes through the guide platform (33), and the cross section of the connecting rod (43) is non-circular.

4. A paper scratch tester according to claim 3, characterized in that: The upper part of the horizontal plate (31) is provided with a plurality of limiting ribs (6) evenly distributed along the center of the connecting rod (43); the upper end of the connecting rod (43) is inserted into an area surrounded by the plurality of limiting ribs (6); a weight (5) can be placed in the area; and the weight (5) can abut against the upper part of the connecting rod (43).

5. A paper scratch tester according to claim 4, characterized in that: It also includes a latch (7), the connecting rod (43) includes a transversely arranged through hole (46), a convex block (34) is fixed on the upper part of the horizontal plate (31), and the latch (7) can penetrate the convex block (34) and be inserted into the through hole (46) for fixing.

6. A paper scratch tester according to claim 3, characterized in that: The scratching head (41) comprises a boss (42), a sealing ring (45) is sleeved on the outer side of the boss (42), a mounting groove (44) is provided at the lower part of the connecting rod (43), the boss (42) is inserted into the mounting groove (44), the sealing ring (45) is tightly matched with the inner wall of the mounting groove (44), and the boss (42) is non-circular.

7. A paper scratch tester according to claim 1, characterized in that: The first drive (8) comprises a first motor (81) and a worm gear mechanism (82); the first motor (81) is connected to the worm gear mechanism (82); and the worm gear mechanism (82) is connected to the test bench (2).

8. A paper scratch tester according to claim 1, characterized in that: The surface of the workbench (1) is provided with an avoidance groove (11); the support frame (3) comprises a vertical plate (32) connected to the horizontal plate (31); the lower part of the vertical plate (32) passes through the avoidance groove (11) and is inserted into the interior of the workbench (1); and the support frame (3) can move horizontally in the avoidance groove (11).

9. A paper scratch tester according to claim 8, characterized in that: The support frame (3) is moved by a second driver (9), the second driver (9) comprising a second motor (91), a screw rod (92) and a guide rod (93), a slider (35) is provided at the lower end of the vertical plate (32), the screw rod (92) and the guide rod (93) pass through the slider (35), the slider (35) is threadedly connected to the screw rod (92), and the second motor (91) can drive the screw rod (92) to rotate.

Images