Schopper wear resistance testing machine

Abstract

The utility model belongs to the technical field of wear resistance tests, and particularly relates to a Schopper wear resistance testing machine which comprises a base, a pressure plate, a grinding material, a sample and a mounting frame fixedly connected to the top of the base, the top of the mounting frame is fixedly connected with an air cylinder, and a pressure regulation and control assembly is arranged between the air cylinder and the pressure plate. A dismounting and replacing assembly is arranged between the pressing disc and the grinding material, a rotating motor is fixedly connected to the top of the base, a rotating shaft is fixedly connected to an output shaft of the rotating motor, and a chuck is fixedly connected to the top end of the rotating shaft. The device is reasonable in structural design, not only facilitates clamping, disassembly and replacement of a test to achieve a better use effect, but also can quickly and efficiently disassemble, assemble and replace abrasives which are greatly abraded to improve the use effect, and meanwhile, can accurately regulate and control the pressurizing force according to the requirements of other factors such as different materials, so that the working efficiency is improved. And the test accuracy of the wear resistance test is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wear-resistant testing, in particular to a Schober wear-resistant testing machine. Background Art

[0002] The Schaubel abrasion tester uses a rotary wear test to test the wear resistance of fabrics and is mostly used for testing automotive interior materials.

[0003] However, the relevant Schober wear tester still has some shortcomings when in use. Because the abrasive is easy to wear, it is inconvenient to disassemble and assemble the abrasive quickly and efficiently, which reduces the effect of use. Moreover, because the effect of friction is related to the pressurized pressure, the relevant Schober wear tester is inconvenient to adjust the pressurized force according to the needs of different materials and other factors, which reduces the test accuracy of the wear test. Therefore, we proposed a Schober wear tester to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the above-mentioned shortcomings and proposes a Schober wear tester.

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

[0006] The Schober wear tester comprises a base, a pressure plate, an abrasive, a sample and a mounting frame fixedly connected to the top of the base, a cylinder is fixedly connected to the top of the mounting frame, a pressure regulating component is arranged between the cylinder and the pressure plate, a disassembly and replacement component is arranged between the pressure plate and the abrasive, a rotating motor is fixedly connected to the top of the base, a rotating shaft is fixedly connected to the output shaft of the rotating motor, a chuck is fixedly connected to the top end of the rotating shaft, a clamp ring is fixedly connected to the outer side of the chuck, and a clamping component is arranged between the clamp ring, the chuck and the sample.

[0007] Preferably, four grooves are provided on the inner wall of the clamp ring, the clamping assembly includes four threaded rods threadedly connected to the outside of the clamp ring, one end of the threaded rod is rotatably connected to an arc-shaped clamping plate, the sample is movably placed in the gap between the clamp ring and the chuck, and the four arc-shaped clamping plates are movably abutted against the outside of the sample.

[0008] Preferably, the four arc-shaped clamping plates are slidably mounted in the corresponding grooves respectively.

[0009] Preferably, a bearing is fixedly connected to the outer side of the arc-shaped clamping plate, and the arc-shaped clamping plate is rotatably connected to one end of the threaded rod through the bearing.

[0010] Preferably, the pressure regulating assembly includes a mounting plate fixedly connected to the cylinder output shaft and a pressure sensor fixedly connected to the top of the pressure plate, and two vertical springs are fixedly connected between the mounting plate and the pressure sensor.

[0011] Preferably, two telescopic rods are fixedly connected between the mounting plate and the pressure sensor, and two vertical springs are respectively sleeved on the outer sides of the corresponding telescopic rods.

[0012] Preferably, two slots are provided at the bottom of the pressure plate, a slide groove is provided on the inner wall of one side of the slot, the disassembly and replacement assembly includes two plug plates fixedly connected to the top of the abrasive and a transverse spring fixedly connected to the inner wall of one side of the slide groove, one end of the transverse spring is fixedly connected to a slide plate, one side of the slide plate is fixedly connected to a clamping plate, one side of the plug plate is provided with a clamping slot, the clamping plate is movably clamped in the corresponding clamping slot, the plug plate is movably plugged in the corresponding slot, and the top of the slide plate is fixedly connected to a pull plate.

[0013] Preferably, two rectangular openings are opened on the top of the pressure plate, and the two pull plates are slidably sleeved in the corresponding rectangular openings respectively, and the slide plate is slidably sleeved in the corresponding slide groove.

[0014] In the utility model, the Xiao Boer wear tester is described, the sample is laid on the top of the chuck and the end of the sample is placed in the gap between the clamp ring and the chuck, the threaded rod is tightened, the threaded rod drives the arc clamp plate to move inward, and then the sample can be clamped and fixed between the chuck and the clamp ring, and then the cylinder is started, the conveying shaft of the cylinder drives the mounting plate, the pressure sensor, the pressure plate and the abrasive to move downward and tangentially contact the top of the sample, and the cylinder is started again. At this time, the vertical spring is compressed and the pressure value becomes larger. The pressure value can be measured by the pressure sensor. When the specified requirements are met, the cylinder is closed, and the downward pressure can be regulated to improve the accuracy of the wear test, and then the rotating motor is started. The rotating motor drives the rotation of the rotating shaft, the chuck and the sample, and the wear resistance of the sample can be tested;

[0015] In the utility model, the Xiao Boer wear tester, when it is necessary to replace the abrasive with greater wear, the two slide plates and the card plate are pulled inward by two pull plates, so that the two card plates are close to each other and leave the card slot without fixing the plug plate, and the abrasive and the plug plate can be removed at this time, and then the new abrasive and the plug plate are inserted into the slot, and the plug plate automatically squeezes the card plate and retracts into the slide slot, and the transverse spring is compressed at this time. When fully inserted, the card plate and the card slot are aligned, and under the elastic force of the transverse spring, the two card plates are respectively clamped in the corresponding card slot to fix the plug plate and the abrasive;

[0016] The utility model has a reasonable structural design, which is not only convenient for the clamping, disassembly and replacement of the test, thus achieving better use effect, but also can quickly and efficiently disassemble and replace abrasives with greater wear, thus improving the use effect. At the same time, the pressure can be accurately adjusted according to the needs of different materials and other factors, thereby improving the test accuracy of the wear resistance test. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the Schober wear tester proposed by the utility model;

[0018] Figure 2 A cross-sectional view of the Schober wear tester proposed by the utility model;

[0019] Figure 3 It is a structural schematic diagram of the A part of the Schober wear tester proposed by the utility model;

[0020] Figure 4 It is a structural schematic diagram of the B part of the Schober wear tester proposed by the utility model;

[0021] Figure 5 The utility model provides a stereoscopic diagram of the chuck and the clamp ring of the Schaubel wear tester.

[0022] In the figure: 1. base; 2. cylinder; 3. rotating motor; 4. rotating shaft; 5. clamping ring; 6. test sample; 7. threaded rod; 8. abrasive; 9. plug plate; 10. pressure plate; 11. pull plate; 12. rectangular opening; 13. pressure sensor; 14. telescopic rod; 15. vertical spring; 16. mounting plate; 17. mounting frame; 18. chuck; 19. arc clamping plate; 20. groove; 21. slot; 22. card slot; 23. card plate; 24. slide groove; 25. transverse spring; 26. slide plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-5 The Schober wear tester comprises a base 1, a pressure plate 10, an abrasive 8, a sample 6 and a mounting frame 17 fixedly connected to the top of the base 1, a cylinder 2 is fixedly connected to the top of the mounting frame 17, a pressure regulating component is arranged between the cylinder 2 and the pressure plate 10, a disassembly and replacement component is arranged between the pressure plate 10 and the abrasive 8, a rotating motor 3 is fixedly connected to the top of the base 1, a rotating shaft 4 is fixedly connected to the output shaft of the rotating motor 3, a chuck 18 is fixedly connected to the top of the rotating shaft 4, a clamp ring 5 is fixedly connected to the outer side of the chuck 18, and a clamping component is arranged between the clamp ring 5, the chuck 18 and the sample 6.

[0025] In the utility model, four grooves 20 are provided on the inner wall of the clamp ring 5, and the clamping assembly includes four threaded rods 7 threadedly connected to the outer side of the clamp ring 5, one end of the threaded rod 7 is rotatably connected to an arc-shaped clamping plate 19, and the sample 6 is movably placed in the gap between the clamp ring 5 and the chuck 18. The four arc-shaped clamping plates 19 are movably abutted against the outer side of the sample 6, the sample 6 is laid on the top of the chuck 18 and the end of the sample 6 is placed in the gap between the clamp ring 5 and the chuck 18, and the threaded rod 7 is tightened. The threaded rod 7 drives the arc-shaped clamping plate 19 to move inward, so that the sample can be clamped and fixed between the chuck 18 and the clamp ring 5.

[0026] In the present invention, four arc-shaped clamping plates 19 are respectively slidably sleeved in corresponding grooves 20 , and the arc-shaped clamping plates 19 can be guided and limited so that they do not rotate together with the threaded rod 7 .

[0027] In the utility model, the outer side of the arc-shaped clamping plate 19 is fixedly connected with a bearing, and the arc-shaped clamping plate 19 is rotatably connected to one end of the threaded rod 7 through the bearing, so that the arc-shaped clamping plate 19 can be rotatably connected to one end of the threaded rod 7.

[0028] In the utility model, the pressure regulating component includes a mounting plate 16 fixedly connected to the output shaft of the cylinder 2 and a pressure sensor 13 fixedly connected to the top of the pressure plate 10. Two vertical springs 15 are fixedly connected between the mounting plate 16 and the pressure sensor 13. When the cylinder 2 is started, the conveying shaft of the cylinder 2 drives the mounting plate 16, the pressure sensor 13, the pressure plate 10 and the abrasive 8 to move downward and tangentially contact the top of the sample 6. The cylinder 2 is started again. At this time, the vertical spring 15 is compressed and the pressure value becomes larger. The pressure value can be measured by the pressure sensor 13. When the specified requirement is met, the cylinder 2 is closed, and the downward pressure can be regulated to improve the accuracy of the wear resistance test.

[0029] In the utility model, two telescopic rods 14 are fixedly connected between the mounting plate 16 and the pressure sensor 13, and two vertical springs 15 are respectively sleeved on the outer sides of the corresponding telescopic rods 14, which can guide the pressure sensor 13, the pressure plate 10 and the vertical springs 15 to make their movement more stable.

[0030] In the utility model, two slots 21 are provided at the bottom of the pressure plate 10, and a slide groove 24 is provided on the inner wall of one side of the slot 21. The disassembly and replacement assembly includes two plug plates 9 fixedly connected to the top of the abrasive 8 and a transverse spring 25 fixedly connected to the inner wall of one side of the slide groove 24. One end of the transverse spring 25 is fixedly connected to a slide plate 26, and one side of the slide plate 26 is fixedly connected to a clamping plate 23. A clamping slot 22 is provided on one side of the plug plate 9, and the clamping plate 23 is movably clamped in the corresponding clamping slot 22. The plug plate 9 is movably plugged in the corresponding slot 21. The top of the slide plate 26 is fixedly connected to the pull plate 11. When it is necessary to replace the abrasive with greater wear, When the material 8 is replaced, the two slide plates 26 and the card plate 23 are pulled inward by the two pull plates 11, so that the two card plates 23 are close to each other and disengaged from the card slot 22 without fixing the insert plate 9. At this time, the abrasive 8 and the insert plate 9 can be removed, and then the new abrasive 8 and the insert plate 9 are inserted into the slot 21. The insert plate 9 automatically squeezes the card plate 23 and retracts into the slide slot 24. At this time, the cross spring 25 is compressed. When it is fully inserted, the card plate 23 is aligned with the card slot 22. Under the elastic force of the cross spring 25, the two card plates 23 are respectively clamped in the corresponding card slot 22 to fix the insert plate 9 and the abrasive 8.

[0031] In the utility model, two rectangular openings 12 are opened on the top of the pressure plate 10, and the two pull plates 11 are slidably sleeved in the corresponding rectangular openings 12 respectively, and the slide plate 26 is slidably sleeved in the corresponding slide groove 24, which can guide the pull plates 11 and the slide plates 26 to make their movement more stable.

[0032] In the utility model, when in use, the sample 6 is laid on the top of the chuck 18 and the end of the sample 6 is placed in the gap between the clamp ring 5 and the chuck 18, and the threaded rod 7 is tightened. The threaded rod 7 drives the arc clamping plate 19 to move inward, so that the sample can be clamped and fixed between the chuck 18 and the clamp ring 5, and then the cylinder 2 is started. The conveying shaft of the cylinder 2 drives the mounting plate 16, the pressure sensor 13, the pressure plate 10 and the abrasive 8 to move downward and tangentially contact the top of the sample 6, and the cylinder 2 is started again. At this time, the vertical spring 15 is compressed and the pressure value becomes larger. The pressure value can be measured by the pressure sensor 13. When the specified requirement is met, the cylinder 2 is closed, and the downward pressure can be adjusted to improve the accuracy of the wear test, and then the rotating motor 3 is started. The rotating motor 3 drives the rotating shaft 4, the clamp 13 and the pressure plate 10 to move downward. The rotation of the head 18 and the sample 6 can test the wear resistance of the sample. When the test is completed, the rotating motor 3 is turned off, and the cylinder 2 is started in the reverse direction to move the abrasive 8 up and reset. When the abrasive 8 with greater wear needs to be replaced, the two slide plates 26 and the card plate 23 are pulled inward by the two pull plates 11, so that the two card plates 23 are close to each other and disengaged from the card slot 22 without fixing the plug plate 9. At this time, the abrasive 8 and the plug plate 9 can be removed, and then the new abrasive 8 and the plug plate 9 are inserted into the slot 21. The plug plate 9 automatically squeezes the card plate 23 and retracts into the slide groove 24. At this time, the cross spring 25 is compressed. When it is fully inserted, the card plate 23 is aligned with the card slot 22. Under the elastic force of the cross spring 25, the two card plates 23 are respectively clamped in the corresponding card slot 22 to fix the plug plate 9 and the abrasive 8.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. Schober wear tester, characterized in that: The invention comprises a base (1), a pressure plate (10), an abrasive (8), a sample (6) and a mounting frame (17) fixedly connected to the top of the base (1); a cylinder (2) is fixedly connected to the top of the mounting frame (17); a pressure regulating component is arranged between the cylinder (2) and the pressure plate (10); a disassembly and replacement component is arranged between the pressure plate (10) and the abrasive (8); a rotating motor (3) is fixedly connected to the top of the base (1); a rotating shaft (4) is fixedly connected to the output shaft of the rotating motor (3); a chuck (18) is fixedly connected to the top of the rotating shaft (4); a clamping ring (5) is fixedly connected to the outer side of the chuck (18); and a clamping component is arranged between the clamping ring (5), the chuck (18) and the sample (6).

2. The Schober wear tester according to claim 1, characterized in that: The inner wall of the clamp ring (5) is provided with four grooves (20), the clamping assembly comprises four threaded rods (7) threadedly connected to the outer side of the clamp ring (5), one end of the threaded rod (7) is rotatably connected to an arc-shaped clamping plate (19), the sample (6) is movably placed in the gap between the clamp ring (5) and the clamping head (18), and the four arc-shaped clamping plates (19) are movably abutted against the outer side of the sample (6).

3. The Schober wear tester according to claim 2, characterized in that: The four arc-shaped clamping plates (19) are respectively slidably mounted in the corresponding grooves (20).

4. The Schober wear tester according to claim 2, characterized in that: A bearing is fixedly connected to the outer side of the arc-shaped clamping plate (19), and the arc-shaped clamping plate (19) is rotatably connected to one end of the threaded rod (7) via the bearing.

5. The Schober wear tester according to claim 1, characterized in that: The pressure regulating assembly comprises a mounting plate (16) fixedly connected to the output shaft of the cylinder (2) and a pressure sensor (13) fixedly connected to the top of the pressure plate (10), and two vertical springs (15) are fixedly connected between the mounting plate (16) and the pressure sensor (13).

6. The Schober wear tester according to claim 5, characterized in that: Two telescopic rods (14) are fixedly connected between the mounting plate (16) and the pressure sensor (13), and two vertical springs (15) are respectively sleeved on the outside of the corresponding telescopic rods (14).

7. The Schober wear tester according to claim 1, characterized in that: Two slots (21) are provided at the bottom of the pressure plate (10), and a slide groove (24) is provided on the inner wall of one side of the slot (21). The disassembly and replacement component comprises two plug plates (9) fixedly connected to the top of the abrasive (8) and a transverse spring (25) fixedly connected to the inner wall of one side of the slide groove (24). One end of the transverse spring (25) is fixedly connected to a slide plate (26), and one side of the slide plate (26) is fixedly connected to a clamping plate (23). One side of the plug plate (9) is provided with a clamping slot (22), and the clamping plate (23) is movably clamped in the corresponding clamping slot (22). The plug plate (9) is movably plugged in the corresponding slot (21), and the top of the slide plate (26) is fixedly connected to a pull plate (11).

8. The Schober wear tester according to claim 7, characterized in that: The top of the pressure plate (10) is provided with two rectangular openings (12), the two pull plates (11) are slidably sleeved in the corresponding rectangular openings (12), and the slide plate (26) is slidably sleeved in the corresponding slide groove (24).

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