CN210571698U - Spherical workpiece wear-resistant testing machine - Google Patents
Spherical workpiece wear-resistant testing machine Download PDFInfo
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- CN210571698U CN210571698U CN201921525323.7U CN201921525323U CN210571698U CN 210571698 U CN210571698 U CN 210571698U CN 201921525323 U CN201921525323 U CN 201921525323U CN 210571698 U CN210571698 U CN 210571698U
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Abstract
The utility model discloses a sphere wear-resisting test machine, including test machine body and test machine support, be equipped with a motor module on the test machine body, a fixed connection work piece holder on the motor module, be equipped with a sphere work piece in the work piece holder, be equipped with a test bar on the test machine support, test head perpendicular butt on the sphere work piece on the test bar, it has a gravity weight to go back swing joint on the test bar. The utility model has the advantages that the testing head is vertically abutted against the spherical workpiece, so that the testing pressure in each direction is ensured to be consistent; the gravity weight is movably fixed on the testing rod, so that the testing pressure can be conveniently adjusted.
Description
Technical Field
The utility model relates to a wear-resisting test technical field, in particular to sphere work piece wear-resisting test machine.
Background
The wear-resistant testing machine is widely used for testing the wear of materials such as rubber, tires, conveying belts, transmission belts, soles, soft synthetic leather and the like. With the development and progress of science and technology, the application field of the wear-resistant testing machine is more and more extensive, and when the existing mobile phone is produced, the wear-resistant test is required to be carried out on the glass substrate of the mobile phone before leaving a factory.
Some glass substrates are of spherical structures, when a traditional wear-resistant testing machine tests the glass substrates, the testing head is obliquely arranged on one side of the spherical glass substrates, and the motor module drives the spherical glass substrates to reciprocate. The test head can be along with the high back and forth motion from top to bottom of sphere glass substrate, and this has just caused the test pressure inhomogeneous to and the friction area circumstances such as unstable, and then cause the frictional force of test unstable yet, can not carry out wear-resisting test under certain constant pressure. Meanwhile, the test head is obliquely arranged on one side to move, so that the pressure on one side of the spherical glass substrate is particularly high, and the pressure on the other side of the spherical glass substrate is relatively low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the provided spherical workpiece wear-resistant testing machine ensures that the friction force of the testing contact surface of a spherical workpiece is uniform and the accuracy of an experimental result is ensured.
The utility model provides a technical scheme that above-mentioned problem adopted does: a spherical wear-resistant testing machine comprises a testing machine body and a testing machine support, wherein a motor module is arranged on the testing machine body, a workpiece clamp is fixedly connected onto the motor module, a spherical workpiece is arranged in the workpiece clamp, a testing rod is arranged on the testing machine support, a testing head on the testing rod is vertically abutted against the spherical workpiece, and a gravity weight is movably connected onto the testing rod.
Preferably, a plurality of workpiece positioning bolts are arranged on the workpiece clamp. Therefore, after the workpiece clamp fixes the spherical workpiece, the position of the workpiece clamp is fixed through the workpiece positioning bolt, and the stability of the spherical workpiece is further ensured.
Preferably, the test head of the test rod abuts against the surface of the spherical equator of the spherical workpiece, and the test rod is a pencil. Therefore, as the reciprocating motion center of the spherical workpiece is positioned at the circle center of the spherical surface, the height is more stable, the pressure of the test head acting on the spherical surface is more stable, and the friction force is uniform in the high-speed test process; meanwhile, a pencil is used as a test rod, the graphite of the pencil stub is used for performing friction test on the spherical surface, and the friction force is reasonable and low in cost.
Preferably, the test machine support comprises a vertical positioning support and a horizontal positioning support, the horizontal positioning support is movably connected with the vertical positioning support, and the horizontal positioning support and the vertical positioning support are both provided with racks and adjusting knobs. Therefore, through the arrangement of the rack and the adjusting knob, the vertical positioning support and the horizontal positioning support can be adjusted in a tooth-by-tooth mode, and the test head on the test rod can be controlled to be located at the circle center of the spherical surface more easily.
Preferably, the weight has a mass of between 500g and 1000 g. Like this, the control of pressure is comparatively reasonable, through the setting of gravity weight, and different pressures are exported in increase or reduction that can be appropriate, test the sphere.
Preferably, the distance from the contact surface of the spherical workpiece and the test head to the center of rotation of the workpiece holder is equal to the spherical radius of the spherical workpiece. In this way, the entire spherical surface can be subjected to the friction test.
Compared with the prior art, the utility model has the advantages of: the test head is vertically abutted against the spherical workpiece, so that the test pressure in each direction is ensured to be consistent; the test head is abutted against the surface of the spherical equator of the spherical workpiece, so that the test pressure of each position of the spherical workpiece is consistent in high-speed reciprocating motion; the test pressure is conveniently adjusted by arranging the gravity weight; through the setting of rack and adjust knob, vertical positioning support and horizontal positioning support can be a tooth regulation, and the test head butt on the control test rod more easily realizes accurate location in the position of sphere.
Drawings
FIG. 1 is a side view of the structure of the spherical workpiece abrasion tester of the present invention;
FIG. 2 is a front view of the structure of the spherical workpiece abrasion tester of the present invention;
fig. 3 the utility model discloses spherical surface workpiece wear-resisting test machine structure plan view.
The reference numbers in the figures illustrate: 1. the tester comprises a tester body, 2, a tester support, 21, a vertical positioning support, 22, a horizontal positioning support, 3, a motor module, 4, a workpiece clamp, 5, a spherical workpiece, 6, a testing rod, 61, a testing head, 7, a gravity weight, 8 and a workpiece positioning bolt.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present embodiment relates to a spherical workpiece wear-resistance testing machine, which includes a testing machine body 1 and a testing machine support 2. The testing machine comprises a testing machine body 1, and is characterized in that a motor module 3 is arranged on the testing machine body 1, a workpiece clamp 4 is fixedly connected onto the motor module 3, a spherical workpiece 5 is arranged in the workpiece clamp 4, a testing rod 6 is arranged on a testing machine support 2, a testing head 61 on the testing rod 6 is vertically abutted against the spherical workpiece 5, and a gravity weight 7 is movably connected onto the testing rod 6.
Reciprocating motion through motor module 3 drives work piece holder 4 motion, and then drives the sphere work piece and move, and gravity weight 7 activity is fixed on the test bar, conveniently adjusts test pressure. In particular, the weight 7 has a mass of between 500g and 1000 g. The gravity weight can be a plurality of, through the quantity that increases or reduces the gravity weight, and then increase or reduce the pressure of coming the output, can carry out different pressure test to different spherical workpieces.
Specifically, in the present embodiment, the work holder 4 is provided with a plurality of work positioning bolts 8. After the work holder 4 fixes the spherical workpiece 5, the position of the work holder 4 is fixed by the work positioning bolt 8, thereby ensuring the stability of the spherical workpiece 5.
In order to ensure the uniformity of the test pressure, the test head 61 of the test rod 6 abuts against the spherical equator surface of the spherical workpiece 5. Preferably, the test stick 6 is a pencil. Because the reciprocating motion center of the spherical workpiece 5 is positioned at the circle center of the spherical surface, the height is stable in the high-speed test process, the pressure of the test head 61 acting on the spherical surface is also stable, and the friction force is uniform; meanwhile, a pencil is used as the test rod 6, the graphite of the pencil stub is used for performing friction test on the spherical surface, and the friction force is reasonable and low in cost.
In this embodiment, the test machine support 2 includes a vertical positioning support 21 and a horizontal positioning support 22, the horizontal positioning support 22 is movably connected with the vertical positioning support 21, and the horizontal positioning support 22 and the vertical positioning support 21 are both provided with a rack and an adjusting knob. Through the arrangement of the rack and the adjusting knob, the vertical positioning support 21 and the horizontal positioning support 22 can be adjusted in a tooth-by-tooth manner, so that the test head 61 on the test rod 6 can be controlled to be positioned at the circle center of the spherical surface more easily.
In order to be able to perform the friction test on the entire spherical surface, in the present embodiment, the distance from the contact surface of the spherical workpiece 5 and the test head 61 to the rotation center of the workpiece holder 4 is equal to the spherical radius of the spherical workpiece 5.
The utility model has the advantages that: the test head is vertically abutted against the spherical workpiece, so that the test pressure in each direction is ensured to be consistent; the test head is abutted against the surface of the spherical equator of the spherical workpiece, so that the test pressure of each position of the spherical workpiece is consistent in high-speed reciprocating motion; the test pressure is conveniently adjusted by arranging the gravity weight; through the setting of rack and adjust knob, vertical positioning support and horizontal positioning support can be a tooth regulation, and the test head butt on the control test rod more easily realizes accurate location in the position of sphere.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. The utility model provides a wear-resisting test machine of sphere work piece, includes test machine body (1) and test machine support (2), its characterized in that: the testing machine is characterized in that a motor module (3) is arranged on the testing machine body (1), a workpiece clamp (4) is fixedly connected onto the motor module (3), a spherical workpiece (5) is arranged in the workpiece clamp (4), a testing rod (6) is arranged on the testing machine support (2), a testing head (61) on the testing rod (6) is vertically abutted against the spherical workpiece (5), and a gravity weight (7) is movably connected onto the testing rod (6).
2. The spherical workpiece wear-resisting testing machine according to claim 1, characterized in that: the workpiece clamp (4) is provided with a plurality of workpiece positioning bolts (8).
3. The spherical workpiece wear-resisting testing machine according to claim 1, characterized in that: the testing head (61) of the testing rod (6) is abutted to the surface of the spherical equator of the spherical workpiece (5), and the testing rod (6) is a pencil.
4. The spherical workpiece wear-resisting testing machine according to claim 3, characterized in that: the testing machine support (2) comprises a vertical positioning support (21) and a horizontal positioning support (22), the horizontal positioning support (22) is movably connected with the vertical positioning support (21), and racks and adjusting knobs are arranged on the horizontal positioning support (22) and the vertical positioning support (21).
5. The spherical workpiece wear-resisting testing machine according to claim 1, characterized in that: the weight (7) has a mass of between 500g and 1000 g.
6. The spherical workpiece wear-resisting testing machine according to claim 1, characterized in that: the distance from the contact surface of the spherical workpiece (5) and the test head (61) to the rotation center of the workpiece clamp (4) is equal to the spherical radius of the spherical workpiece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525323.7U CN210571698U (en) | 2019-09-12 | 2019-09-12 | Spherical workpiece wear-resistant testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525323.7U CN210571698U (en) | 2019-09-12 | 2019-09-12 | Spherical workpiece wear-resistant testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210571698U true CN210571698U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921525323.7U Active CN210571698U (en) | 2019-09-12 | 2019-09-12 | Spherical workpiece wear-resistant testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210571698U (en) |
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2019
- 2019-09-12 CN CN201921525323.7U patent/CN210571698U/en active Active
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