A scratch resistance test fixture for coating cover surface

Abstract

The utility model discloses a scratch resistance test fixture for the surface of a coated cover plate, comprising: a workbench, a weight block, a fixed block and at least two extension rods. One end of the extension rod is rotatably arranged on the fixed block, and the other end extends a supporting tip along the thickness direction thereof, and a weight block of different weights is arranged on the side of each extension rod away from the supporting tip, and the supporting tip is used to scratch the surface of the coated cover plate to be tested. And a weight block of different weights is arranged on the side of each extension rod away from the supporting tip, so that the gravity borne on each extension rod is different, therefore, the supporting tip of each extension rod can scratch multiple groups of depths on the coated cover plate, thereby obtaining different data, thereby improving the working efficiency of the test.

Description

Technical Field

[0001] The utility model relates to the field of fixtures, in particular to a scratch resistance test fixture for the surface of a coated cover plate. Background Art

[0002] Most touch screens have glass cover panels. To meet customer needs, the surface of the glass cover panels is usually coated. Manufacturers need to perform scratch resistance tests on the coating before shipment to ensure that the coating meets reliability requirements and improves product quality.

[0003] However, coating testing requires multiple sets of data, and existing fixtures only measure a single set of data at a time, which is inefficient. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a scratch resistance test fixture for the surface of a coated cover plate.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A scratch resistance test fixture for the surface of a coated cover plate, characterized in that it comprises: a weight block, a workbench, a fixed block and at least two extension rods, wherein the fixed block is movably arranged on the workbench, one end of the extension rod is rotatably arranged on the fixed block, and the other end extends a supporting tip along its thickness direction, and each extension rod is provided with a weight block of different weight on one side away from the supporting tip, and the supporting tip is used to scratch the surface of the coated cover plate to be tested.

[0007] In one embodiment, the extension rods are arranged in parallel.

[0008] In one embodiment, the scratch resistance test fixture for the surface of the coated cover plate also includes a cross bar and a sliding assembly, the sliding assembly is slidably disposed on the workbench, the cross bar is connected to the sliding assembly, and the fixed block is sleeved on the cross bar.

[0009] In one embodiment, the sliding assembly includes two sliding rods and two sliding blocks. The sliding rods are arranged on both sides of the workbench. The two sliding blocks are slidably arranged on the two sliding rods, and the two ends of the cross bar are respectively connected to the sliding blocks.

[0010] In one embodiment, a limiting member for limiting the fixing block is sleeved on the cross bar.

[0011] In one embodiment, the fixing block is provided with a tension adjustment assembly for clamping the extension rod, the tension adjustment assembly includes a fixing rod and two nuts, the fixing block extends two opposite mounting plates away from one end of the cross bar, the extension rod is installed between the two mounting plates, sleeve holes are provided on both sides of each of the extension rods and the fixing block, each of the extension rods and the fixing block is sleeved on the fixing rod through the sleeve holes, threads are provided at both ends of the fixing rod, the two nuts are screwed on the two ends of the fixing rod and abut against the fixing block.

[0012] In one embodiment, rotating handles are provided on both sides of the tension adjustment assembly.

[0013] In one embodiment, the abutting end of the abutting tip is in a cone shape.

[0014] In one embodiment, a rotation gap is provided between the fixing block and the workbench.

[0015] In one embodiment, the number of the extension rods is set to 5.

[0016] Compared with the prior art, the utility model has at least the following advantages:

[0017] 1. The anti-scratch test fixture for the surface of the coated cover plate of the utility model is provided with a workbench, a weight block, a fixed block and at least two extension rods. One end of the extension rod is rotatably arranged on the fixed block, and the other end extends a supporting tip along its thickness direction. A weight block of different weight is arranged on the side of each extension rod away from the supporting tip, so that the gravity borne on each extension rod is different. Therefore, the supporting tip of each extension rod can scratch multiple groups of depths on the coated cover plate, thereby obtaining different data, thereby improving the working efficiency of the test.

[0018] 2. The weight is replaceable, so that the extension rod can carry different weights to scratch the coated cover and quickly obtain multiple sets of test data. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.

[0020] Figure 1 It is a schematic structural diagram of a scratch resistance test fixture for the surface of a coated cover plate in one embodiment of the utility model.

[0021] Reference numerals:

[0022] The workbench 10 , the fixed block 11 , the extension rod 12 , the abutting tip 13 , the cross bar 14 , the sliding assembly 20 , the sliding rod 21 , the slider 22 , the limiter 23 , the tension adjustment assembly 30 , the fixed rod 31 , the nut 32 , the rotating handle 33 , and the support block 40 . DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.

[0024] The present application proposes a scratch resistance test fixture for the surface of a coated cover plate, refer to 1, comprising: a workbench 10, a weight block, a fixed block 11 and at least two extension rods 12. The fixed block 11 is movably arranged on the workbench 10, and is used to drive the extension rod 12 to move and scratch the coating on the cover plate. One end of the extension rod 12 is rotatably connected to the fixed block 11, and the other end extends a supporting tip 13 along its thickness direction, and the supporting tip 13 is used to scratch the surface of the coated cover plate to be tested. And each extension rod 12 is provided with a weight block of different weight on one side away from the supporting tip 13. The addition of the weight block makes the gravity borne on each extension rod 12 different, and then the pressure of the supporting tip 13 on the coated cover plate is also different, so that a single test of the supporting tip 13 can obtain multiple sets of data for the scratch resistance performance test of the coating on the coated cover plate, thereby improving the efficiency of the test. Preferably, the number of the extension rods 12 is set to 5, and a single test of the scratch resistance test fixture for the surface of the coated cover plate can obtain five sets of scratch resistance data of the coated cover plates for analysis by the test personnel.

[0025] The extension rods 12 are arranged in parallel, so that the tracks of the markings of the supporting tips 13 are parallel and do not interfere with each other's marking, and the obtained marking data is more accurate and complete.

[0026] In one embodiment, a scratch resistance test fixture for the surface of a coated cover plate further includes a crossbar 14 and a sliding assembly 20. The sliding assembly 20 is slidably disposed on a workbench 10. The crossbar 14 is connected to the sliding assembly 20. The fixed block 11 is sleeved on the crossbar 14, so that the fixed block 11 can move back and forth on the workbench 10, so that the staff can push the fixed block 11 to perform a scratch test on the coated cover plate. Specifically, the sliding assembly 20 includes two slide bars 21 and two sliders 22. The slide bars 21 are disposed on both sides of the workbench 10. The two sliders 22 are slidably disposed on the two slide bars 21, respectively. The two ends of the crossbar 14 are respectively connected to the sliders 22.

[0027] It should be noted that two support blocks 40 are provided on the workbench 10, and the support blocks 40 are disposed on both sides of the workbench 10. The support blocks 40 are provided with mounting holes, and the slider 22 is provided with a through hole. One end of the slide bar 21 is fixed to the support block 40 through the mounting hole of the support block 40, and the other end is sleeved with the through hole of the slider 22 to enable the slider 22 to slide on the slide bar 21. A working space is provided on the workbench 10 to place the coated cover plate to be tested.

[0028] Please refer again Figure 1 The cross bar 14 is provided with a limiter 23, which is used to limit the position of the fixed block 11, and prevent the fixed block 11 from sliding horizontally during the scratching process, thereby affecting the test results. There are two limiters 23, which are tightly mounted on the cross bar 14 and are respectively arranged on both sides of the fixed block 11, thereby limiting the fixed block 11.

[0029] A scratch resistance test fixture for the surface of a coated cover plate also includes a tension adjustment component 30, and a tension adjustment component 30 for clamping an extension rod 12 is provided on a fixed block 11. The tension adjustment component 30 includes a fixed rod 31 and two nuts 32. Two opposite mounting plates extend from one end of the fixed block 11 away from the cross bar 14. The extension rod 12 is installed between the two mounting plates. A sleeve hole is provided on each extension rod 12 and the mounting plate, and each extension rod 12 and the mounting plate are sleeved on the fixed rod 31 through the sleeve hole. Threads are provided at both ends of the fixed rod 31, and two nuts 32 are screwed on both ends of the fixed rod 31 and abut against the outer side of the mounting plate. When the nut 32 is screwed into the thread of the fixed rod 31, the pressure of the mounting plate on the extension rod 12 gradually increases, thereby firmly clamping the extension rod 12 between the two mounting plates.

[0030] Furthermore, rotating handles 33 are provided on both sides of the tension adjustment assembly 30 to facilitate the tester to adjust the clamping degree between the extension rod 12 and the fixed block 11, so that the extension rod 12 will not drop due to its own weight, so that the tester can replace the coating cover used for the test.

[0031] In another embodiment, the abutting end of the abutting tip 13 is in the shape of a cone, and the sharp part of the cone scratches the plated cover plate to enhance the scratching and marking function of the abutting tip 13. In addition, a rotation gap is provided between the fixed block 11 and the workbench 10 to prevent the fixed block 11 from abutting against the workbench 10 during the rotation process, thereby increasing the rotation angle of the fixed block 11.

[0032] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A scratch resistance test fixture for coating cover plate surface, characterized in that: include: Heavy block, Workbench, a fixed block, the fixed block being movably arranged on the workbench, At least two extension rods, one end of which is rotatably arranged on the fixed block, and the other end of which extends a supporting tip along its thickness direction, and each extension rod is provided with a weight block of different weights on the side away from the supporting tip, and the supporting tip is used to scratch the surface of the coated cover plate to be tested.

2. The scratch resistance test fixture for coating cover plate surface according to claim 1, characterized in that: The extension rods are arranged in parallel.

3. The scratch resistance test fixture for coating cover plate surface according to claim 1, characterized in that: It also includes a cross bar and a sliding assembly. The sliding assembly is slidably arranged on the workbench, the cross bar is connected to the sliding assembly, and the fixing block is sleeved on the cross bar.

4. The scratch resistance test fixture for coating cover plate surface according to claim 3, characterized in that: The sliding assembly comprises two sliding rods and two sliding blocks. The sliding rods are arranged on both sides of the workbench. The two sliding blocks are slidably arranged on the two sliding rods respectively. The two ends of the cross bar are respectively connected to the sliding blocks.

5. The anti-scratch test fixture for the surface of a coated cover plate according to claim 3, characterized in that: A limiting piece for limiting the fixing block is sleeved on the cross bar.

6. The anti-scratch test fixture for the surface of a coated cover plate according to claim 5, characterized in that: The fixing block is provided with a tension adjustment component for clamping the extension rod, and the tension adjustment component includes a fixing rod and two nuts. Two opposite mounting plates are extended from one end of the fixing block away from the cross bar, and the extension rod is installed between the two mounting plates. Socket holes are provided on both sides of each of the extension rods and the fixing block, and each of the extension rods and the fixing block is sleeved on the fixing rod through the sleeve holes. Threads are provided at both ends of the fixing rod, and the two nuts are screwed on the two ends of the fixing rod and abut against the fixing block.

7. The anti-scratch test fixture for coating cover plate surface according to claim 6, characterized in that: Rotating handles are sleeved on both sides of the tension adjustment component.

8. The anti-scratch test fixture for coating cover plate surface according to claim 1, characterized in that: The abutting end of the abutting tip is in a cone shape.

9. The anti-scratch test fixture for coating cover plate surface according to claim 1, characterized in that: A rotation gap is arranged between the fixed block and the workbench.

10. The scratch resistance test fixture for coating cover plate surface according to claim 1, characterized in that: The number of the extension rods is set to 5.

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