Portable abrasion tester

Abstract

The utility model belongs to the technical field of wear-resisting instruments, and particularly relates to a portable wear-resisting instrument which comprises a fixing seat, a supporting plate is arranged in the middle of the fixing seat, a motor I is arranged on a top plate of the fixing seat, an output shaft of the motor I penetrates through the top plate of the fixing seat to be connected with a rotating shaft, and the rotating shaft is connected with the center of a rotating disc. Output shafts of the motors II are respectively connected with friction wheel mechanisms; a sample is placed below the supporting plate and is connected with a bottom plate of the fixed seat through a screw rod II; the abrasion tester is small in size, simple in structure and convenient to carry, can be directly brought to a production site to detect finished products, does not need to cut the finished products, reduces redundant cutting processing steps, improves the production efficiency, reduces the production cost, and improves the production efficiency. The working efficiency is improved; and meanwhile, samples with any shape, size and thickness can be detected.

Description

Technical Field

[0001] The utility model belongs to the technical field of wear-resistant instruments, and in particular relates to a portable wear-resistant instrument. Background Art

[0002] Currently, common test methods for studying coating wear resistance include the Taber abrasion test, the falling sand test, the sandblasting impact test, and the reciprocating abrasion test. The Taber abrasion test primarily uses a rubber grinding wheel in a Taber abrasion tester to perform friction and measure the wear resistance of the dry film of a coating product.

[0003] The traditional TABER wear tester has requirements for the shape, size and thickness of the sample. It cannot directly test the finished product and needs to cut the finished product. The steps are numerous and increase labor costs. In addition, the tester is bulky and has high requirements for the test environment and installation platform. It is not portable. Therefore, this device can only be used for testing under laboratory conditions. This tester is not competent in the workshop.

[0004] Chinese patent CN 210775098 U discloses a "TABER abrasion resistance tester for fabric production." Its structural features involve securing a specimen to a workbench with a motor underneath that rotates the specimen. A grinding wheel rests on the specimen via a support structure, causing wear from contact between the specimen and the grinding wheel. This testing machine uses a counterweight to apply a downward load to the specimen by gravity, requiring the specimen to rest squarely on the workbench. This makes it impossible to test finished paint films fixed to a wall, fixed perpendicular to the floor, or perpendicular to a wall with the surface facing downward. Utility Model Content

[0005] In view of the deficiencies of the existing technology, the utility model proposes a portable wear tester, which can perform wear-resistant treatment on thicker samples and samples of any size and shape, has a simple structure and is easy to carry.

[0006] A portable wear tester includes a fixed base, a support plate is provided in the middle of the fixed base, a motor I is provided on the top plate of the fixed base, the output shaft of motor I passes through the top plate of the fixed base and is connected to a rotating shaft, the rotating shaft is connected to the center of a turntable, two groups of motors II are symmetrically provided along the center of the turntable, and the output shafts of motors II are respectively connected to friction wheel mechanisms; a sample is placed below the support plate and connected to the bottom plate of the fixed base through a screw rod II; holes are provided at corresponding positions of the support plate and the friction wheel mechanism, and the friction wheel mechanism performs a wear test on the sample in the hole area.

[0007] The friction wheel mechanism includes a pressure sensor, which is connected to the output shaft of the motor II through a screw rod I; a guide rod is provided under the turntable, which passes through the pressure sensor and moves up and down along the guide rod; a grinding wheel frame is provided outside the pressure sensor, and the bottom of the grinding wheel frame is connected to the grinding wheel.

[0008] The pressure sensor is threadedly connected to the screw rod I.

[0009] The sample is fixedly connected to the screw rod II, the screw rod II is threadedly connected to the bottom plate of the fixing seat, and the number of the screw rod II is greater than or equal to 3.

[0010] An air suction pipe is fixedly connected to the side surface of the top plate of the fixing seat. One end of the air suction pipe is arranged in the hole area, and the other end is connected to the vacuum cleaner.

[0011] The fixing seat is also provided with a control panel, which is connected to the motor I, the motor II, the turntable and the pressure sensor through a controller.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model instrument has no requirements on the shape, size and thickness of the sample to be tested, and can detect samples that traditional testing machines cannot detect. The distance between the top plate and the bottom plate of the fixing seat of the utility model is large, which can be used for thicker samples. At the same time, the support plate is large, and the sample under the support plate is connected to the bottom plate of the fixing seat through screw II. Therefore, there is no need for special requirements on the size and shape of the sample, and it has a wide range of applications.

[0014] 2. The utility model can directly test the finished product. The finished product is set under the support plate and can be connected to the base plate of the fixed seat through the screw II. The wear tester of the utility model applies a load to the sample through a pressure sensor. Since its loading method does not rely on gravity, there is no requirement for the placement direction of the wear tester of the utility model. The wear tester can directly test the finished paint film perpendicular to the ground or facing the ground.

[0015] 3. The wear tester of the present invention is compact, simple in structure, and easy to carry. It can be taken directly to the production site to test the finished product without cutting the finished product, thus reducing unnecessary cutting processing steps and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a portable wear-resistant instrument in the utility model;

[0017] Figure 2 Schematic diagram of the position of the suction pipe and control panel of a portable wear-resistant instrument in this utility model;

[0018] In the accompanying drawings: 1. Fixed seat; 101. Top plate; 102. Bottom plate; 2. Motor I; 3. Rotating shaft; 4. Motor II; 5. Turntable; 6. Pressure sensor; 7. Guide rod; 8. Screw I; 9. Grinding wheel; 10. Grinding wheel frame; 11. Support plate; 12. Sample; 13. Screw II; 14. Intake duct; 15. Control panel; 16. Hole. DETAILED DESCRIPTION

[0019] The present invention is described in detail below with reference to the accompanying drawings.

[0020] like Figure 1-2 As shown, a portable wear tester includes a fixed base 1, a support plate 11 is provided in the middle of the fixed base 1, a top plate 101 of the fixed base 1 is provided with a motor I2, the output shaft of the motor I2 passes through the top plate 101 of the fixed base 1 to connect to the rotating shaft 3, the rotating shaft 3 is connected to the center of the turntable 5, and the turntable 5 is symmetrically provided with two groups of motors II4 along the center, and the output shafts of the motors II4 are respectively connected to the friction wheel mechanism; a sample 12 is placed under the support plate 11, and the sample 12 is connected to the bottom plate 102 of the fixed base 1 through a screw rod II 13, the sample 12 is fixedly connected to the screw rod II 13, and the screw rod II 13 is threadedly connected to the bottom plate 102 of the fixed base 1, the number of the screw rods II 13 is greater than or equal to 3, and in this embodiment, there are 3 screw rods II 13; a hole 16 is provided at the corresponding position of the support plate 11 and the friction wheel mechanism, and the friction wheel mechanism performs a wear test on the sample 12 in the hole area.

[0021] The friction wheel mechanism includes a pressure sensor 6, which is connected to the output shaft of the motor II4 through a screw rod I8, and the pressure sensor 6 is threadedly connected to the screw rod I8; a guide rod 7 is provided under the turntable 5, and the guide rod 7 passes through the pressure sensor 6. The pressure sensor 6 moves up and down along the guide rod 7. The motor II4 drives the screw rod I8 to rotate, so that the pressure sensor 6 moves up and down along the guide rod 7, thereby driving the grinding wheel 9 to contact or separate from the sample 12; a grinding wheel frame 10 is provided on the outside of the pressure sensor 6, and the bottom of the grinding wheel frame 10 is connected to the grinding wheel 9; the pressure sensor 6 can sense the load of the grinding wheel 9 on the sample 12, and the pressure sensor 6 is connected to the control panel 15 through the controller. The control panel 15 controls the pressure sensor 6 through the controller, thereby controlling the load of the grinding wheel 9 on the sample 12.

[0022] An air intake duct 14 is fixedly connected to the side of the top plate 101 of the fixing base 1. One end of the air intake duct 14 is set in the hole area, and the other end is connected to a vacuum cleaner. During the test, the vacuum cleaner can be turned on to remove the paint film worn off in the hole area.

[0023] The fixing base 1 is provided with a control panel 15, which is connected to the motor I2, the motor II4, the turntable 5 and the pressure sensor 6 through a controller. The control panel 15 controls the start of the motor I2 and the motor II4 through the controller, controls the rotation speed of the turntable 5 and the load of the pressure sensor 6 in the friction wheel mechanism on the sample 12.

[0024] When the present invention is in use, the sample 12 is placed under the support plate 11 and fixedly connected with the screw rod Ⅱ13. The other end of the screw rod Ⅱ13 is threadedly connected to the bottom plate 102 of the fixing seat 1. The sample 12 is firmly fixed by adjusting the screw rod Ⅱ13, and the motor Ⅰ2 is started. The motor Ⅰ2 drives the turntable 5 to rotate, and the friction position of the friction wheel mechanism is adjusted. The motor Ⅱ4 on the turntable 5 drives the screw rod Ⅰ8 to rotate, so that the pressure sensor 6 moves up and down along the guide rod 7 so that the grinding wheel 9 contacts the sample 12 to start the wear test. During the test, the vacuum cleaner is turned on to suck away the paint film worn off in the hole area through the suction pipe 14. At the same time, the control panel 15 controls the rotation speed of the turntable 5 and the load of the pressure sensor 6 in the friction wheel mechanism on the sample 12 through the controller, so as to meet different test requirements.

[0025] The instrument of the present invention has no requirements on the shape, size and thickness of the sample to be tested, and can detect samples that traditional testing machines cannot detect. The distance between the top plate 101 and the bottom plate 102 of the fixing seat 1 of the present invention is large, and can be used for thicker samples 12. At the same time, the support plate 11 is large, and the support plate 11 is connected to the fixing seat bottom plate 102 by a screw rod Ⅱ13. Therefore, there is no special requirement for the size and shape of the sample 12, and the scope of application is wide; the utility model can directly detect the finished product, the finished product is arranged under the support plate 11, and can be connected to the fixing seat bottom plate 102 by a screw rod Ⅱ13, and the wear-resistant instrument of the present invention applies a load to the sample through the pressure sensor 6. Since its loading method does not rely on gravity, there is no requirement for the placement direction of the wear-resistant instrument of the present invention. The wear-resistant instrument can directly detect the paint film finished product perpendicular to the ground or facing the ground.

Claims

1. A portable wear tester, characterized in that: It includes a fixed base, a support plate is provided in the middle of the fixed base, a motor I is provided on the top plate of the fixed base, the output shaft of the motor I passes through the top plate of the fixed base and is connected to the rotating shaft, the rotating shaft is connected to the center of the turntable, and two groups of motors II are symmetrically provided along the center of the turntable, and the output shafts of the motors II are respectively connected to the friction wheel mechanism; The sample is placed under the support plate and connected to the bottom plate of the fixed seat through the screw rod II; holes are provided at corresponding positions of the support plate and the friction wheel mechanism, and the friction wheel mechanism performs a wear test on the sample in the hole area.

2. A portable wear tester according to claim 1, characterized in that: The friction wheel mechanism includes a pressure sensor, which is connected to the output shaft of the motor II through a screw rod I; a guide rod is provided under the turntable, which passes through the pressure sensor and moves up and down along the guide rod; a grinding wheel frame is provided outside the pressure sensor, and the bottom of the grinding wheel frame is connected to the grinding wheel.

3. A portable wear tester according to claim 2, characterized in that: The pressure sensor is threadedly connected to the screw rod I.

4. A portable wear tester according to claim 1, characterized in that: The sample is fixedly connected to the screw rod II, the screw rod II is threadedly connected to the bottom plate of the fixing seat, and the number of the screw rod II is greater than or equal to 3.

5. A portable wear tester according to claim 1, characterized in that: An air suction pipe is fixedly connected to the side surface of the top plate of the fixing seat. One end of the air suction pipe is arranged in the hole area, and the other end is connected to the vacuum cleaner.

6. A portable wear tester according to claim 1, characterized in that: The fixing seat is also provided with a control panel, which is connected to the motor I, the motor II, the turntable and the pressure sensor through a controller.

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