Device for testing wear resistance of coating

Abstract

The utility model discloses a coating wear resistance testing device which comprises a working table, the front side and the rear side of the working table are fixedly connected with sliding rails respectively, the sliding rails are connected with a plurality of sliding blocks in a sliding mode, and the tops of the sliding blocks are fixedly connected with a movable plate. Two sides of the moving plate are respectively and fixedly connected with a plurality of fixing devices for fixing a test sample plate, and the surface of the test sample plate is coated with a coating; one side of the moving plate is fixedly connected with the telescopic end of the pushing air cylinder, a sliding rod is arranged above the moving plate, the two sides of the sliding rod are fixedly connected with the workbench through fixing plates, the sliding rod is slidably connected with a moving block, and the bottom of the moving block is fixedly connected with a measuring head. According to the coating wear resistance testing device provided by the utility model, the wear resistance of a sample can be accurately and efficiently tested when the wear resistance of the coating is tested.

Description

Technical Field

[0001] The utility model relates to the technical field of wear resistance testing, in particular to a coating wear resistance performance testing device. Background Art

[0002] In the prior art, coatings are usually sprayed on the surface of some metal workpieces, on the one hand for aesthetics, and on the other hand to protect the metal from oxidation corrosion. After spraying, the coating of the metal workpiece must be wear-resistant, so that the coating will not fall off after a certain number of frictions during use. Therefore, it is necessary to test the wear resistance of the sprayed plastic, but there is no special equipment in production, so it is very necessary to solve the above problem. The existing testing method is to press a test block on the surface of the workpiece to be tested with a certain pressure, and then the tester manually operates the workpiece to be tested to slide back and forth, stop after reaching the specified number of times, check the degree of wear on the surface of the workpiece to be tested, and thus determine whether the wear resistance of the workpiece surface is qualified. However, using the above-mentioned manual test method, the tester cannot accurately control the sliding distance and sliding speed of the workpiece, resulting in inaccurate and unreliable test results, poor test repeatability, low test efficiency, and high labor intensity for the tester.

[0003] Based on the above situation, the utility model proposes a coating wear resistance testing device, which can effectively solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a coating wear resistance test device. The utility model provides a coating wear resistance test device. When performing a wear resistance test on a coating, the test sample coated with the coating is first fixed on the surface of a moving plate by a fixing device, and then the moving plate is pushed left and right under the action of a pushing cylinder, so that the coating on the surface of the test sample repeatedly rubs against the measuring head. When the specified number of reciprocating times is reached, the wear data is uploaded to the control panel to judge its wear resistance, so that the wear resistance of the sample can be accurately and efficiently tested.

[0005] The utility model is realized by the following technical solutions:

[0006] A coating wear resistance testing device comprises a workbench, wherein the front and rear sides of the workbench are respectively fixedly connected with slide rails, the slide rails are slidably connected with a plurality of sliders, the top of the slider is fixedly connected with a movable plate, the two sides of the movable plate are respectively fixedly connected with a plurality of fixing devices for fixing a test sample, and the surface of the test sample is coated with a coating; one side of the movable plate is fixedly connected with the telescopic end of a pushing cylinder, a sliding rod is arranged above the movable plate, the two sides of the sliding rod are respectively fixedly connected with the workbench through a fixing plate, the sliding rod is slidably connected with a movable block, and the bottom of the movable block is fixedly connected with a probe.

[0007] According to the above technical solution, as a further preferred technical solution of the above technical solution, the fixing device includes an inverted L-shaped bracket, a pull rod passes through the top of the bracket, the bottom of the pull rod is fixedly connected to a pressure plate, a spring is arranged on the outside of the pull rod, and both ends of the spring are respectively fixedly connected to the pressure plate and the bracket.

[0008] According to the above technical solution, as a further preferred technical solution of the above technical solution, the bottom of the pushing cylinder is fixedly connected with a lifting seat.

[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, the top of the moving block is threadedly connected with a limiting bolt for limiting the movement of the moving block.

[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, a test panel is further provided on one side of the workbench, and the test panel is connected to the probe signal.

[0011] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0012] The utility model provides a coating wear resistance testing device. When performing a wear resistance test on a coating, the test sample coated with the coating is first fixed on the surface of a movable plate by a fixing device, and then the movable plate is pushed left and right under the action of a pushing cylinder, so that the coating on the surface of the test sample repeatedly rubs against the measuring head. When the specified number of reciprocating times is reached, the wear data is uploaded to the control panel to judge its wear resistance, thereby accurately and efficiently testing the wear resistance of the sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the assembly structure of the slide bar and the moving block of the utility model;

[0015] Figure 3 for Figure 1 A partial enlarged view of part A. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.

[0017] A coating wear resistance test device includes a workbench 1, wherein the front and rear sides of the workbench 1 are respectively fixedly connected with a slide rail 2, wherein the slide rail 2 is slidably connected with a plurality of sliders 3, wherein the top of the slider 3 is fixedly connected with a moving plate 4, wherein the two sides of the moving plate 4 are respectively fixedly connected with a plurality of fixing devices 6 for fixing a test sample 5, wherein the surface of the test sample 5 is coated with a coating 7; wherein one side of the moving plate 4 is fixedly connected with the telescopic end of a push cylinder 8, wherein a slide bar 9 is arranged above the moving plate 4, wherein the two sides of the slide bar 9 are respectively fixedly connected with the workbench 1 through a fixing plate 10, wherein the slide bar 9 is slidably connected with a moving block 11, wherein the bottom of the moving block 11 is fixedly connected with a probe 12. A test panel 15 is also arranged on one side of the workbench 1, wherein the test panel 15 is connected with the probe 12 signal.

[0018] When the utility model performs a wear resistance test on the coating 7, firstly, the test sample 5 coated with the coating 7 is fixed on the surface of the movable plate 4 by the fixing device 6, and then the movable plate 4 is pushed left and right under the action of the pushing cylinder 8, so that the coating on the surface of the test sample 5 repeatedly rubs the measuring head 12. When the specified number of reciprocating times is reached, the wear data is uploaded to the control panel 15 to judge its wear resistance, so that the wear resistance of the sample can be accurately and efficiently tested.

[0019] Further, in another embodiment, the fixing device 6 comprises an inverted L-shaped bracket 61, a pull rod 62 passes through the top of the bracket 61, a pressure plate 63 is fixedly connected to the bottom of the pull rod 62, a spring 64 is arranged on the outside of the pull rod 62, and the two ends of the spring 64 are respectively fixedly connected to the pressure plate 63 and the bracket 61. By providing the fixing device 6, the test sample 5 can be pressed tightly under the interaction of the bracket 61, the pull rod 62, the pressure plate 63 and the spring 64 to prevent the coating from being loosened when repeatedly rubbing against the probe 12.

[0020] Furthermore, in another embodiment, a lifting seat 13 is fixedly connected to the bottom of the pushing cylinder 8 .

[0021] Further, in another embodiment, the top of the moving block 12 is threadedly connected with a limit bolt 14 for limiting the movement of the moving block 11. By setting the moving block 12 and the limit bolt 14, it is convenient to adjust the front and rear position of the probe 12, and it is convenient to perform wear resistance testing on the coating at different positions of the test sample 5.

[0022] According to the description and drawings of the utility model, a person skilled in the art can easily manufacture or use a coating wear resistance testing device of the utility model, and can produce the positive effects recorded in the utility model.

[0023] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.

[0024] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A coating wear resistance testing device, characterized in that: The invention comprises a workbench (1), wherein the front and rear sides of the workbench (1) are respectively fixedly connected with slide rails (2), the slide rails (2) are slidably connected with a plurality of sliders (3), the top of the sliders (3) are fixedly connected with a moving plate (4), the two sides of the moving plate (4) are respectively fixedly connected with a plurality of fixing devices (6) for fixing a test sample (5), and the surface of the test sample (5) is coated with a coating (7); one side of the moving plate (4) is fixedly connected with the telescopic end of a pushing cylinder (8), a sliding rod (9) is arranged above the moving plate (4), the two sides of the sliding rod (9) are respectively fixedly connected with the workbench (1) through a fixing plate (10), the sliding rod (9) is slidably connected with a moving block (11), and the bottom of the moving block (11) is fixedly connected with a probe (12).

2. A coating wear resistance testing device according to claim 1, characterized in that: The fixing device (6) comprises an inverted L-shaped bracket (61), a pull rod (62) passes through the top of the bracket (61), a pressure plate (63) is fixedly connected to the bottom of the pull rod (62), a spring (64) is arranged on the outside of the pull rod (62), and the two ends of the spring (64) are respectively fixedly connected to the pressure plate (63) and the bracket (61).

3. A coating wear resistance testing device according to claim 1, characterized in that: The bottom of the pushing cylinder (8) is fixedly connected with a lifting seat (13).

4. A coating wear resistance testing device according to claim 1, characterized in that: The top of the moving block (11) is threadedly connected with a limiting bolt (14) for limiting the movement of the moving block (11).

5. A coating wear resistance testing device according to claim 1, characterized in that: A test panel (15) is also provided on one side of the workbench (1), and the test panel (15) is connected to the probe (12) for signal.

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