CN215640684U - Wear-resisting test machine - Google Patents

Wear-resisting test machine Download PDF

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Publication number
CN215640684U
CN215640684U CN202121395849.5U CN202121395849U CN215640684U CN 215640684 U CN215640684 U CN 215640684U CN 202121395849 U CN202121395849 U CN 202121395849U CN 215640684 U CN215640684 U CN 215640684U
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China
Prior art keywords
testing
test
test sample
turntable
wear
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CN202121395849.5U
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Chinese (zh)
Inventor
郭永龙
覃洪高
肖敏毅
李学才
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EELY Guangzhou Electronic Technology Co Ltd
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EELY Guangzhou Electronic Technology Co Ltd
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Abstract

The utility model belongs to the technical field of wear resistance testing, and discloses a wear resistance testing machine which comprises a rack, a rotary table, a clamp device and a testing device, wherein the testing device can freely move along the vertical direction of a workbench and can move along the horizontal direction of the workbench, the testing device comprises a mounting seat, a testing rod, a sliding rod, a weight and a buffer piece, the testing rod is perpendicular to the rotary table, and a testing head of the testing rod is used for abutting against a testing sample piece on the rotary table. According to the wear-resistant testing machine provided by the utility model, the rotating shaft of the turntable is coaxial with the test sample piece, and the testing device can freely move along the vertical direction of the workbench, so that the testing head can carry out wear-resistant testing on the test sample piece under a certain constant pressure; the testing device moves along the horizontal direction of the workbench, so that the testing head can be abutted against any area of the arc surface of the test sample, and the wear-resistant testing machine can perform wear-resistant testing on any area of the arc surface; the buffer piece can make the buffer test head elastically contact with the test sample piece, and can prevent test failure and damage of the test head.

Description

Wear-resisting test machine
Technical Field
The utility model relates to the technical field of wear resistance tests, in particular to a wear resistance testing machine.
Background
The surface glass substrates of the existing electronic products such as wearing products, mobile phones, decoration products, medical products and the like need to be subjected to wear resistance tests before delivery. Some glass substrates are in an arc surface structure, when a traditional wear-resistant testing machine is used for testing the glass substrates, the glass substrates are fixed on a machine table, and a motor module drives a vertical testing head to reciprocate, so that the testing head cannot perform wear-resistant testing on any area of the arc surface, the pressure on the surface of the arc surface is uneven, and the arc surface cannot perform wear-resistant testing under a certain constant pressure; and the test head is in rigid contact with the arc surface, the sudden change of the interaction force between the test head and the arc surface easily causes test failure or damages the test head, and the test head can be damaged due to the collision between the test head and the arc surface or the machine table caused by misoperation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wear-resistant testing machine which can perform wear-resistant testing on an arc surface under a certain constant pressure and can perform wear-resistant testing on any area of the arc surface, and a testing head can buffer sudden change of interaction force with the arc surface and also can buffer collision with the arc surface or a machine table.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a wear-resistant testing machine comprises a machine frame, wherein a workbench is arranged on the machine frame;
the rotary table is horizontally arranged on the workbench and can rotate relative to the workbench, and the rotary table is used for fixedly mounting a test sample piece and enabling the test sample piece to be coaxial with the rotating shaft of the rotary table;
testing arrangement, set up in the frame, testing arrangement can follow the vertical direction free movement of workstation just can be followed the workstation horizontal direction removes, testing arrangement include the mount pad, can dismantle set up in the test bar of mount pad one end, set up in the slide bar of the mount pad other end, can dismantle set up in weight on the slide bar with set up in the slide bar with bolster between the mount pad, the test bar perpendicular to the carousel just the test head of test bar is used for the butt test sample spare.
Preferably, one end of the sliding rod, which is close to the mounting seat, is provided with a first protrusion along the circumferential direction, one end of the buffer member abuts against the first protrusion, and the other end of the buffer member abuts against the mounting seat.
Preferably, the test device further comprises a first driving device used for driving the test device to move along the horizontal direction of the workbench, the first driving device comprises a driving motor and a lead screw sliding table module, the lead screw sliding table module comprises a base installed on the rack, a lead screw arranged on the base and a sliding table connected with the lead screw in a matching manner, the output end of the driving motor is connected with one end of the lead screw, and the slide rod is movably connected with the sliding table.
Preferably, the first driving device further comprises a first position sensor for detecting a position of the slide table along a horizontal direction of the table.
Preferably, the turntable further comprises a counter arranged on the workbench, and the counter is used for recording the number of turns of the turntable.
Preferably, be equipped with the fixture device who is used for fixed test sample spare on the carousel, fixture device includes a plurality of ability edges carousel radial gliding sliding block, sliding block one side is used for the butt test sample spare, the screw rod is connected to the opposite side, the screw rod with the carousel spiro union.
Preferably, the fixture device further comprises a plurality of mounting plates uniformly arranged along the circumferential direction of the turntable, and the screw penetrates through the mounting plates and is in threaded connection with the mounting plates.
Preferably, a pair of mutually perpendicular graduated scale marks is arranged on the turntable, and the pair of graduated scale marks intersects at the center of the turntable.
Preferably, the testing device further comprises a force sensor arranged between the testing rod and the mounting seat, and the force sensor is used for detecting the reaction force of the testing sample piece on the testing rod in the testing process.
Preferably, the weight is provided in plurality, and the plurality of weights have different specifications.
The utility model has the beneficial effects that: according to the wear-resistant testing machine provided by the utility model, the rotating shaft of the turntable is coaxial with the test sample piece, so that the moving track of the testing head relative to the test sample piece is circular and parallel to the workbench, the testing device can freely move along the vertical direction of the workbench, and the testing head can carry out wear-resistant testing on the test sample piece under a certain constant pressure; the testing device moves along the horizontal direction of the workbench, so that the testing head can be abutted to any area of the arc surface of the test sample piece, and the wear-resistant testing machine can perform wear-resistant testing on any area of the arc surface. Meanwhile, the buffer piece can enable the buffer test head to be in elastic contact with the test sample piece, the test head of a test rod or the test head of the test rod can be prevented from being damaged or failed due to sudden change of force between the test head and the test sample piece in the test process, and the collision between the test head and the arc surface or the rotary table caused by misoperation can be buffered.
Drawings
FIG. 1 is a schematic view of a wear tester according to the present invention;
FIG. 2 is a schematic cross-sectional view of the clamping device of the present invention;
FIG. 3 is a schematic partial cross-sectional view of a test apparatus according to the present invention.
In the figure:
1. a work table; 2. a turntable;
31. a mounting seat; 32. a test rod; 33. a slide bar; 34. a weight; 35. a buffer member; 36. a force sensor;
4. a first driving device; 41. a drive motor; 421. a base; 422. a lead screw; 423. a sliding table; 43. a first position sensor;
5. a counter;
6. a clamp device; 61. a slider; 62. a screw; 63. and (7) mounting the plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
A wear-resistant testing machine is shown in figure 1 and comprises a machine frame, a turntable 2 and a testing device, wherein a workbench 1 is arranged on the machine frame; the rotary table 2 is horizontally arranged on the workbench 1, the rotary table 2 can rotate relative to the workbench 1, and the rotary table 2 is used for fixedly mounting a test sample piece and enabling the test sample piece to be coaxial with the rotating shaft of the rotary table 2; testing arrangement sets up in the frame, testing arrangement can follow the 1 vertical direction free movement of workstation and can follow the 1 horizontal direction of workstation and remove, testing arrangement includes mount pad 31, can dismantle the test bar 32 that sets up in mount pad 31 one end, set up in the slide bar 33 of the mount pad 31 other end, can dismantle the weight 34 that sets up on slide bar 33 and set up the bolster 35 between slide bar 33 and mount pad 31, test bar 32 perpendicular to carousel 2 and test bar 32's test head is used for butt test sample.
The rotating shaft of the turntable 2 is coaxial with the test sample piece, so that the moving track of the test head relative to the test sample piece is circular and parallel to the workbench 1, the test device can freely move along the vertical direction of the workbench 1, and the test head can perform wear resistance test on the test sample piece under a certain constant pressure; the testing device moves along the horizontal direction of the workbench 1, so that the testing head can be abutted to any area of the arc surface of the test sample piece, and the wear-resistant testing machine can perform wear-resistant testing on any area of the arc surface. Meanwhile, the buffer piece 35 can enable the buffer test head to be in elastic contact with the test sample piece, so that the test head of the test rod 32 can be prevented from being failed in test or damaged due to sudden force change between the test head and the test sample piece in the test process, and the collision between the test head and the arc surface or the rotary table 2 caused by misoperation can be buffered.
Specifically, the test head of the test rod 32 is tangent to the test sample surface. Preferably, the test rod 32 is a pencil, and can also be the test rod 32 of other forms, and the graphite of pencil stub carries out wear-resisting test to the test sample spare, and frictional force is more reasonable and with low costs.
In this embodiment, as shown in fig. 1, a first protrusion is circumferentially disposed at one end of the sliding rod 33 close to the mounting seat 31, one end of the buffer member 35 abuts against the first protrusion, and the other end of the buffer member 35 abuts against the mounting seat 31. In this embodiment, the buffer member 35 can buffer the interaction force between the sliding rod 33 and the mounting seat 31, so as to make the testing head of the buffering testing rod 32 elastically contact with the testing sample, thereby preventing the testing failure or damage to the testing head of the testing rod 32 caused by sudden change of force between the testing head of the testing rod 32 and the testing sample during the testing process, and also buffering the collision between the testing head and the arc surface or the turntable 2 caused by misoperation.
In this embodiment, with continued reference to fig. 1, the wear-resistant testing machine further includes a first driving device 4 for driving the testing device to move along the horizontal direction of the workbench 1, the first driving device 4 includes a lead screw sliding table module and a driving motor 41, the lead screw sliding table module includes a base 421 mounted on the rack, a lead screw 422 disposed on the base 421, and a sliding table 423 connected to the lead screw 422 in a matching manner, an output end of the driving motor 41 is connected to one end of the lead screw 422, and the sliding rod 33 is movably connected to the sliding table 423. In this embodiment, the driving motor 41 drives the screw 422 to rotate to drive the sliding table 423 to move, and further drives the testing device to move along the horizontal direction of the workbench 1. The screw slide module is a prior art and will not be described in detail herein.
Specifically, the wear resistance testing machine further comprises a controller, and the first driving device 4 is electrically connected with the controller. Further, the controller controls the first driving device 4 to drive the testing device to move in the horizontal direction of the table 1.
Specifically, the first driving device 4 further includes a first position sensor 43, and the first position sensor 43 is configured to detect a position of the slide table 423 in the horizontal direction of the table 1. Further, the first position sensor 43 is a linear displacement sensor, and may be a sensor of another type. In this embodiment, the first position sensor 43 is electrically connected to the controller, and the position information of the sliding table 423 detected by the first position sensor 43 is transmitted to the controller for storage and analysis, so as to obtain the position of the testing rod 32 along the horizontal direction of the worktable 1, thereby preventing the testing head of the testing rod 32 from being separated from the surface of the test sample.
In this embodiment, with continued reference to fig. 1, the wear tester further includes a counter 5 disposed on the working table 1, and the counter 5 is used for recording the number of rotations of the turntable 2. In particular, the counter 5 is a photoelectric counter, which may be other types of calculators, and the counter 5 is prior art and will not be described in detail here. In this embodiment, the counter 5 is electrically connected with the controller, and the counter 5 records the number of turns of the rotation of the turntable 2, and meanwhile, the recorded data can be fed back to the controller for storage or analysis, so as to be used for the controller to control the test process of the wear-resistant test.
In this embodiment, referring to fig. 2, the turntable 2 is provided with a fixture device 6 for fixing a test sample, the fixture device 6 includes a plurality of sliding blocks 61 capable of sliding along the radial direction of the turntable 2, one side of each sliding block 61 is used for abutting against the test sample, the other side of each sliding block 61 is connected with a screw 62, and the screw 62 is screwed with the turntable 2. Specifically, one side that sliding block 61 and screw rod 62 are connected is equipped with the mounting hole, cup joints screw rod 62 in the mounting hole, is equipped with the draw-in groove along circumference in the mounting hole, is equipped with circlip in the draw-in groove, and the one end that screw rod 62 and sliding block 61 are connected is equipped with the second along circumference protrudingly, and circlip is close to one side butt in the second of mounting hole bottom and is protruding, prevents that screw rod 62 from breaking away from the mounting groove of sliding block 61. In this embodiment, the slide block 61 can be adjusted in position and the test sample can be fixed by screwing the screw 62 so that the test sample is coaxial with the rotation axis of the turntable 2.
Specifically, the fixture device 6 further includes a plurality of mounting plates 63 evenly arranged along the circumferential direction of the turntable 2, and the screw 62 penetrates through the mounting plates 63 and is screwed with the mounting plates 63. Further, the mounting plate 63 is provided with a threaded hole to which the screw 62 is threadedly coupled. In the embodiment, the screws 62 are screwed, the sliding block 61 abuts against the test sample, the test sample is fixed on the turntable 2, and the position of each screw 62 screwed into the threaded hole is adjusted to make the test sample coaxial with the rotation axis of the turntable 2.
Specifically, the turntable 2 is provided with a pair of mutually perpendicular scale marks, and the pair of scale marks intersects at the center of the turntable 2. Further, the scale marks are used for assisting in adjusting the position of the test sample piece so that the test sample piece is coaxial with the rotation axis of the turntable 2. Preferably, the scale markings extend from the axis of rotation of the turntable 2 to both sides of the edge of the turntable 22. In this embodiment, the screw 62 is screwed to drive the sliding block 61 to move, so as to adjust the position of the test sample on the turntable 2, and the scale mark is used to assist in observing the position of the test sample on the turntable 2, thereby accurately positioning the position of the test sample on the turntable 2.
In this embodiment, referring to fig. 3, the testing apparatus further includes a force sensor 36 disposed between the testing rod 32 and the mounting seat 31, wherein the force sensor 36 is used for detecting a reaction force of the testing sample on the testing rod 32 during the testing process. Specifically, a notch is formed in one end, connected with the test rod 32, of the mounting seat 31, a force sensor 36 is arranged at the bottom of the notch, and a clamping groove for mounting the test rod 32 is formed in one end, connected with the test rod 32, of the force sensor 36. In this embodiment, the force sensor 36 is electrically connected to the controller, and the controller receives the pressure data collected by the force sensor 36 and stores or analyzes the pressure data for evaluating whether the result of the wear test is reliable.
Further, a plurality of weights 34 are provided, and the plurality of weights 34 are different in specification. In this embodiment, according to the requirement of the wear resistance test, the pressure of the test rod 32 on the test sample is adjusted by replacing or adding the weight 34, so that the test sample can be subjected to the wear resistance test under a certain constant pressure;
the use method of the wear-resistant testing machine comprises the following steps:
s10: installing a test sample piece, adjusting the position of the test sample piece, fixing the test sample piece after the test sample piece is coaxial with the rotating shaft of the turntable 2, and observing the scale mark to record the boundary position value of the test sample piece;
s20: the first driving motor 41 drives the sliding table 423 to move, so that the testing head of the testing rod 32 abuts against the circle center of the testing sample piece, and the position value of the sliding table 423 detected by the first position sensor 43 is reset to zero;
s30: a weight 34 is arranged on the sliding rod 33;
s40: setting the number of rotation turns and the distance value of the turntable 2 and the boundary position value of the test sample recorded in the step S10, and starting a wear resistance test;
s50: when the counter 5 detects that the number of turns of the rotating disc 2 is equal to the number of turns of the rotating disc 2 set in the step S40, the sliding table 423 moves towards the boundary direction of the test sample piece, the moving distance is equal to the distance value set in the step S40, and the wear resistance test is continued;
s60: and continuing to repeat the step S50 until the controller obtains that the sum of the position value and the distance value of the sliding table 423 detected by the first position sensor 43 is not less than the boundary position value of the test sample set in the step S40, and the wear-resistant testing machine automatically stops the wear-resistant test.
The wear testing machine provided in this embodiment may also have other use methods, which are not specifically limited herein.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A wear resistance testing machine, comprising:
the device comprises a rack, wherein a workbench (1) is arranged on the rack;
the rotary table (2) is horizontally arranged on the workbench (1), the rotary table (2) can rotate relative to the workbench (1), and the rotary table (2) is used for fixedly mounting a test sample piece and enabling the test sample piece to be coaxial with a rotating shaft of the rotary table (2);
testing arrangement, set up in the frame, testing arrangement can follow workstation (1) vertical direction freely removes and can follow workstation (1) horizontal direction removes, testing arrangement include mount pad (31), can dismantle set up in test bar (32) of mount pad (31) one end, set up in slide bar (33) of mount pad (31) other end, can dismantle set up in weight (34) on slide bar (33) with set up in slide bar (33) with bolster (35) between mount pad (31), test bar (32) perpendicular to carousel (2) just the test head of test bar (32) is used for the butt test sample spare.
2. The abrasion resistance testing machine according to claim 1, wherein one end of the sliding rod (33) close to the mounting seat (31) is provided with a first protrusion along the circumferential direction, one end of the buffer member (35) abuts against the first protrusion, and the other end of the buffer member (35) abuts against the mounting seat (31).
3. The wear resistance testing machine according to claim 1, further comprising a first driving device (4) for driving the testing device to move along the horizontal direction of the workbench (1), wherein the first driving device (4) comprises a driving motor (41) and a lead screw sliding table module, the lead screw sliding table module comprises a base (421) installed on the rack, a lead screw (422) arranged on the base (421) and a sliding table (423) in matching connection with the lead screw (422), an output end of the driving motor (41) is connected with one end of the lead screw (422), and the sliding rod (33) is movably connected with the sliding table (423).
4. The wear testing machine according to claim 3, characterized in that the first driving device (4) further includes a first position sensor (43), the first position sensor (43) being configured to detect a position of the slide table (423) in a horizontal direction of the table (1).
5. The machine according to claim 1, further comprising a counter (5) arranged on the table (1), the counter (5) being configured to record the number of rotations of the turntable (2).
6. The abrasion resistance testing machine according to claim 1, wherein the turntable (2) is provided with a clamping device (6) for fixing a test sample, the clamping device (6) comprises a plurality of sliding blocks (61) capable of sliding along the radial direction of the turntable (2), one side of each sliding block (61) is used for abutting against the test sample, the other side of each sliding block is connected with a screw rod (62), and the screw rods (62) are in threaded connection with the turntable (2).
7. The machine according to claim 6, characterized in that the clamping device (6) further comprises a plurality of mounting plates (63) uniformly arranged along the circumferential direction of the turntable (2), and the screw (62) penetrates through the mounting plates (63) and is screwed with the mounting plates (63).
8. The machine according to claim 1, characterized in that the turntable (2) is provided with a pair of mutually perpendicular scale marks intersecting at the center of the turntable (2).
9. The machine of claim 1, wherein the testing device further comprises a force sensor (36) disposed between the test rod (32) and the mounting block (31), the force sensor (36) being configured to detect a reaction force of the test sample on the test rod (32) during testing.
10. The machine according to claim 1, wherein a plurality of the weights (34) are provided, and the plurality of the weights (34) are different in size.
CN202121395849.5U 2021-06-22 2021-06-22 Wear-resisting test machine Active CN215640684U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121395849.5U CN215640684U (en) 2021-06-22 2021-06-22 Wear-resisting test machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121395849.5U CN215640684U (en) 2021-06-22 2021-06-22 Wear-resisting test machine

Publications (1)

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CN215640684U true CN215640684U (en) 2022-01-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116296971A (en) * 2023-05-24 2023-06-23 江苏裕科新材料有限公司 Device and method for testing wear resistance of wood-plastic floor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116296971A (en) * 2023-05-24 2023-06-23 江苏裕科新材料有限公司 Device and method for testing wear resistance of wood-plastic floor
CN116296971B (en) * 2023-05-24 2023-08-22 江苏裕科新材料有限公司 Device and method for testing wear resistance of wood-plastic floor

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