CN214150143U - Friction testing machine - Google Patents
Friction testing machine Download PDFInfo
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- CN214150143U CN214150143U CN202023062826.0U CN202023062826U CN214150143U CN 214150143 U CN214150143 U CN 214150143U CN 202023062826 U CN202023062826 U CN 202023062826U CN 214150143 U CN214150143 U CN 214150143U
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Abstract
The application relates to a friction testing machine, which relates to the field of material testing equipment and comprises a base, wherein a friction flat plate is horizontally arranged on the base in a sliding manner, a pressing component is arranged on the upper side of the friction flat plate, and the pressing component presses a test material; the base is provided with a driving assembly, the driving assembly comprises a driving motor and a screw rod, the driving motor is fixed on the base, an output shaft of the driving motor is in transmission connection with the screw rod, and the screw rod is in threaded fit with the friction flat plate; the frame is provided with a friction head which is abutted against the upper surface of the test material; the friction head is detachably fixed with a heavy block. The method and the device have the effects of being adaptable to various test standards and high in test result accuracy.
Description
Technical Field
The application relates to the field of material inspection equipment, in particular to a friction testing machine.
Background
The friction tester is widely applied to test occasions needing to verify the wear resistance of products, such as textiles, automobiles, papermaking and the like. The friction testing machine repeatedly rubs the test material and analyzes the change of the test material in the aspects of thickness, quality and the like after friction, so that the wear resistance of the test material is evaluated.
In the related art, a friction tester comprises a test bed, a transmission mechanism, a friction head and a driving assembly for driving the friction head to move. The test bed comprises a test flat plate, and a clamp is arranged on the test flat plate. The transmission mechanism is a crank connecting rod mechanism, the driving component is an asynchronous motor, and an output shaft of the asynchronous motor is in transmission connection with one end of the crank connecting rod mechanism in the length direction of a crank. When the friction test is carried out, a material to be tested is placed on a test flat plate and clamped by a clamp, then the position of a friction head is adjusted to enable the friction head to be in contact with the material to be tested and apply certain pressure, finally an asynchronous motor is started, the rotation of an output shaft of the asynchronous motor is converted into linear motion through a crank-link mechanism, and the crank-link mechanism drives the friction head to do linear reciprocating motion on the material to be tested.
In view of the above-mentioned related technologies, the inventor believes that the friction distance of the friction head is not adjustable by driving the friction head to reciprocate through the asynchronous motor and the crank-link mechanism, which results in poor adaptability of the friction tester to various test standards and has a place to be improved.
SUMMERY OF THE UTILITY MODEL
In order to improve the adaptability of friction testing machine to different test standards, this application provides a friction testing machine.
The application provides a friction testing machine adopts following technical scheme:
a friction testing machine comprises a base, wherein a friction flat plate is horizontally arranged on the base in a sliding mode, a pressing component is arranged on the upper side of the friction flat plate, and the pressing component presses a testing material; the base is provided with a driving assembly, the driving assembly comprises a driving motor and a screw rod, the driving motor is fixed on the base, an output shaft of the driving motor is in transmission connection with the screw rod, and the screw rod is in threaded fit with the friction flat plate; the base is provided with a friction head which is abutted against the upper surface of the test material; the friction head is detachably fixed with a heavy block.
Through adopting above-mentioned technical scheme, compare with cylinder and crank link mechanism, driving motor is with the positive and negative rotation drive lead screw of fixed cycle and rotate, drives the dull and stereotyped reciprocating motion with fixed distance, and reciprocating motion's distance is adjustable, has improved the adaptability of friction test bench to different test standards.
Optionally, the driving motor comprises a servo motor, and an output shaft of the servo motor is in transmission connection with one end of the screw rod in the length direction.
By adopting the technical scheme, the servo motor is high in position precision and high in reaction speed, and the accuracy of the test result of the friction test bed is improved.
Optionally, a guide rail is arranged on the base, the length direction of the guide rail is parallel to the sliding direction of the friction flat plate, a sliding groove is formed in the friction flat plate, and the guide rail is in sliding fit with the sliding groove.
By adopting the technical scheme, the guide rail has the guiding function, so that the motion direction of the friction flat plate is more accurate, and the accuracy of the test result of the friction test bed is improved.
Optionally, a connecting column is formed on the weight, and the connecting column penetrates through the friction head and is in threaded fit with the friction head.
Through adopting above-mentioned technical scheme, the pouring weight passes through the spliced pole and can dismantle fixedly with the friction head for the dismantlement and the installation of pouring weight are all comparatively convenient, have improved the convenience that friction test platform used.
Optionally, the frame is put on the shelf and is equipped with the articulated shaft, it has the connecting rod to articulate on the articulated shaft, the one end and the friction head fixed connection of articulated shaft are kept away from to the connecting rod.
Through adopting above-mentioned technical scheme, rotate the connecting rod and can make the friction head leave test material surface or load on test material's surface, the convenience when having improved the friction test bench and using.
Optionally, the pressing assembly comprises a support frame and a pressing plate, the pressing plate is horizontally arranged, the pressing plate is arranged on the support layer frame in a lifting mode, a lifting piece for driving the pressing plate to lift is arranged on the support frame, and the lower side of the pressing plate abuts against the test material.
Through adopting above-mentioned technical scheme, the lift drive clamp plate lift compresses tightly test material, compresses tightly comparatively firmly, helps improving the accuracy of testing result.
Optionally, the lifting piece comprises a lifting bolt, the end of the lifting bolt penetrates through the support frame and the pressing plate and is in threaded connection with the pressing plate, and two sides of the pressing plate in the length direction are abutted to the support frame.
Through adopting above-mentioned technical scheme, the lifting bolt drive clamp plate goes up and down, and simple structure is reliable, the convenience when having improved the friction test machine use.
Optionally, a spring is vertically fixed on one side of the pressing plate, which is far away from the friction flat plate, one end of the spring, which is far away from the pressing plate, is fixedly connected with the support frame, and two springs are symmetrically distributed around the axis of the lifting bolt at least along the length direction of the pressing plate.
By adopting the technical scheme, the spring reduces the condition that the pressing force of the part of the pressing plate far away from the lifting bolt on the test material is insufficient, the loosening of the test material is reduced, and the accuracy of the test result of the friction test bed is further improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. compared with the cylinder and the crank link mechanism, the driving motor rotates forwards and backwards in a fixed period to drive the screw rod to rotate, the friction flat plate is driven to reciprocate in a fixed distance, the reciprocating distance is adjustable, and the adaptability of the friction test bed to different test standards is improved;
2. by adopting the servo motor as the driving motor, the accuracy of the motion of the friction head is improved, and the accuracy of the test result of the friction test bed is further improved;
3. the weight and the friction head are detachably fixed, and the friction head passes through the connecting rod and the hinged shaft, so that the friction test bed is convenient to maintain and use the weight.
Drawings
FIG. 1 is an isometric view of an embodiment of the present application for embodying the overall construction of a friction tester;
FIG. 2 is a schematic diagram of an embodiment of the present application, which is mainly used for embodying the structure of a compressing assembly;
FIG. 3 is a schematic view of a friction head structure according to an embodiment of the present disclosure.
Reference numerals: 1. a base; 11. operating the inclined plane; 12. a guide rail; 2. rubbing the flat plate; 21. a chute; 22. an ear plate; 3. a drive assembly; 31. a drive motor; 311. a servo motor; 32. a screw rod; 4. a compression assembly; 41. a support frame; 411. a support leg; 412. a lifting member; 4121. a lifting bolt; 42. pressing a plate; 421. a spring; 5. a friction head; 51. a clamping block; 6. a weight block; 61. connecting columns; 611. an external thread; 7. mounting a plate; 71. hinging a shaft; 72. building a rod; 8. a sleeve; 81. a connecting rod; 82. connecting blocks; 821. t-shaped groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a friction testing machine. Referring to fig. 1, the portable electronic device includes a base 1, the base 1 is rectangular, and an operation inclined surface 11 is formed on the upper side of the base 1 along one side of the base 1 in the length direction. The horizontal slip of 1 upside of base is provided with the dull and stereotyped 2 of friction, and the dull and stereotyped 2 of friction slides along the length direction of base 1, and 1 upside of base is equipped with the drive assembly 3 that the dull and stereotyped 2 of drive friction slided. The test material is placed on the friction flat plate 2, and the friction flat plate 2 is provided with a pressing component 4 for pressing the test material. The base 1 is also provided with a friction head 5, and one end of the friction head 5 close to the test material is abutted against the test material during friction test. The weight 6 is detachably fixed on the friction head 5, and during friction test, the weight of the weight 6 is converted into the pressure of the friction head 5 on the test material.
During the friction test, a worker firstly places a test material on the friction flat plate 2, then tightly presses the test material by the pressing component 4, then loads the friction head 5 and the weight 6 on the test material, finally the driving component 3 drives the friction flat plate 2 to reciprocate, the friction head 5 rubs the surface of the test material, and the friction test is completed after the friction is performed for a certain number of times and compared with the change of the test material before and after the friction.
Referring to fig. 1 and 2, a guide rail 12 is fixed on the upper side of the base 1, the length direction of the guide rail 12 is parallel to the length direction of the base 1, and two guide rails 12 are distributed on the upper side of the base 1 at intervals along the width direction of the base 1. Dull and stereotyped 2 of friction is rectangular shaped plate, and the length direction of the dull and stereotyped 2 of friction is on a parallel with the length direction of base 1, and spout 21 has all been seted up along the dull and stereotyped 2 width direction's of friction both sides to the downside of the dull and stereotyped 2 of friction, and the length direction of two spout 21 all is on a parallel with the length direction of the dull and stereotyped 2 of friction, slide rail and spout 21 one-to-one, in the slide rail embedding spout 21 and with the spout 21 cooperation of sliding.
Referring to fig. 1 and 2, the friction plate 2 is vertically and downwardly formed with ear plates 22 at the centers of both sides in the length direction. The driving assembly 3 comprises a driving motor 31 and a screw rod 32, the driving motor 31 adopts a servo motor 311, a shell of the servo motor 311 is fixed on the upper side of the base 1, the length direction of the screw rod 32 is parallel to the length direction of the base 1, one end of the screw rod 32 is coaxially fixed with an output shaft of the servo motor 311, and the other end of the screw rod 32 sequentially penetrates through the two lug plates 22 and is in threaded fit with the two lug plates 22.
When the friction plate 2 reciprocates, the servo motor 311 rotates forward and backward to drive the screw rod 32 to rotate forward and backward, so as to drive the friction plate 2 to reciprocate.
Compress tightly subassembly 4 and have two sets ofly along 2 width direction interval distribution of friction flat board 2 upside edges friction flat board, two sets of friction subassembly's structure is the same completely, explains one of them group below:
referring to fig. 1 and 2, the pressing assembly 4 includes a supporting frame 41 and a pressing plate 42, the supporting frame 41 is a rectangular parallelepiped hollow casing, one side of the supporting frame 41 close to the friction plate 2 is open, two sides of the supporting frame 41 in the length direction are both formed with a supporting leg 411 downward, and the supporting legs 411 are fixedly connected with the upper side of the friction plate 2.
Referring to fig. 1 and 2, the pressing plate 42 is a rectangular plate, and the pressing plate 42 is horizontally inserted into the supporting frame 41. The supporting frame 41 is provided with a lifting piece 412 for driving the pressing plate 42 to lift, the lifting piece 412 is a lifting bolt 4121, the end part of the lifting bolt 4121 penetrates into the supporting frame 41 from top to bottom from the center of the upper side of the supporting frame 41 and penetrates through the pressing plate 42, and the end part of the lifting bolt 4121 is in threaded fit with the pressing plate 42. The lifting bolt 4121 rotates, and since the pressing plate 42 is embedded in the supporting frame 41, the pressing plate 42 cannot rotate relative to the supporting frame 41, and the lifting bolt 4121 drives the pressing plate 42 to move up and down. The pressing plate 42 is vertically fixed with a spring 421 on one side close to the inner bottom wall of the supporting frame 41, one end of the spring 421 far away from the pressing plate 42 is fixed with the inner bottom wall of the supporting frame 41, the two sides of the spring 421 on the upper side of the pressing plate 42 along the length direction of the pressing plate 42 are respectively fixed with one spring, and the two springs 421 are symmetrically arranged around the end part of the lifting bolt 4121.
When the pressing assembly 4 presses, the worker rotates the lifting bolt 4121, and the lifting bolt 4121 drives the pressing plate 42 to press down to press the experimental material. The two springs 421 raise the pressure of the portion of the pressure plate 42 away from the lift bolt 4121 against the test material, improving the tightness of the hold-down assembly 4 when it is held down.
Referring to fig. 1 and 3, two mounting plates 7 are vertically fixed on one side of the upper side of the base 1, which is far away from the operation inclined plane 11, and the two mounting plates 7 are oppositely arranged and distributed at intervals along the width direction of the base 1. A hinge shaft 71 is rotatably disposed between the two mounting plates 7, the length direction of the hinge shaft 71 is parallel to the width direction of the base 1, and both ends of the hinge shaft 71 respectively penetrate through the two mounting plates 7. The articulated shaft 71 is articulated with a sleeve 8, a connecting rod 81 is formed on the side wall of the sleeve 8, and a connecting block 82 is formed at one end of the connecting rod 81 far away from the sleeve 8. The two sleeves 8 correspond to the pressing components 4 one by one, and the two sleeves 8 are distributed at intervals on the hinge shaft 71. T type groove 821 has been seted up to the downside of connecting block 82, and T type groove 821 runs through connecting block 82 along base 1 length direction, and the upper end shaping of friction head 5 has fixture block 51, and fixture block 51 imbeds in T type groove 821 and with the cooperation of sliding in T type groove 821. The weight 6 is a cylinder, a connecting column 61 is formed at one end of the weight 6, an external thread 611 is formed on the side wall of the connecting column 61, the connecting column 61 penetrates through the connecting block 82 and penetrates into the fixture block 51, and the connecting column 61 is in threaded fit with the fixture block 51.
When the friction head 5 and the weight 6 are installed, a worker firstly clamps the fixture block 51 into the T-shaped groove 821, then penetrates the connecting block 82 through the connecting column 61 of the weight 6 and screws the connecting column into the fixture block 51, and the friction head 5 is fixed while the weight 6 is installed.
Referring to fig. 1, an access rod 72 is further fixedly mounted between the two mounting plates 7, the length direction of the access rod 72 is parallel to the width direction of the base 1, two ends of the access rod 72 are respectively fixed with the two mounting plates 7, and the access rod 72 is located on one side of the hinge shaft 71 away from the operation inclined plane 11.
When the weight 6 is not loaded, the connecting rod 81 is placed on the connecting rod 72. When the weight 6 is loaded, the worker rotates the connecting rod 81 to abut the friction head 5 on the surface of the test material.
The implementation principle of the embodiment of the application is as follows:
before the friction test, a worker firstly places a test material on the friction flat plate 2 and compresses the test material by using any one compressing assembly 4. The connecting rod 81 is then turned over so that the friction head 5 abuts on the surface of the test material.
During the friction test, the driving component 3 drives the friction flat plate 2 to reciprocate, the friction head 5 rubs the surface of the test material, and the friction test is completed after the friction is carried out for a certain number of times and the change of the test material before and after the friction is compared.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A friction tester is characterized in that: the device comprises a base (1), wherein a friction flat plate (2) is horizontally arranged on the base (1) in a sliding manner, a pressing component (4) is arranged on the upper side of the friction flat plate (2), and the pressing component (4) presses a test material; the friction plate is characterized in that a driving assembly (3) is arranged on the base (1), the driving assembly (3) comprises a driving motor (31) and a screw rod (32), the driving motor (31) is fixed on the base (1), an output shaft of the driving motor (31) is in transmission connection with the screw rod (32), and the screw rod (32) is in threaded fit with the friction plate (2); the base (1) is provided with a friction head (5), and the friction head (5) is abutted against the upper surface of the test material; the friction head (5) is detachably fixed with a weight (6).
2. A friction tester according to claim 1, characterized in that: the driving motor (31) comprises a servo motor (311), and an output shaft of the servo motor (311) is in transmission connection with one end of the screw rod (32) in the length direction.
3. A friction tester according to claim 1, characterized in that: the base (1) is provided with a guide rail (12), the length direction of the guide rail (12) is parallel to the sliding direction of the friction flat plate (2), the friction flat plate (2) is provided with a sliding groove (21), and the guide rail (12) is in sliding fit with the sliding groove (21).
4. A friction tester according to claim 1, characterized in that: and a connecting column (61) is formed on the weight (6), and the connecting column (61) penetrates into the friction head (5) and is in threaded fit with the friction head (5).
5. A friction tester according to claim 1, characterized in that: articulated shaft (71) are erect to base (1), articulated on articulated shaft (71) have connecting rod (81), the one end and friction head (5) fixed connection of articulated shaft (71) are kept away from in connecting rod (81).
6. A friction tester according to claim 1, characterized in that: the pressing assembly (4) comprises a supporting frame (41) and a pressing plate (42), the pressing plate (42) is horizontally arranged, the pressing plate (42) is arranged on the supporting layer frame in a lifting mode, a lifting piece (412) for driving the pressing plate (42) to lift is arranged on the supporting frame (41), and the lower side of the pressing plate (42) abuts against the test material.
7. A friction tester according to claim 6, characterized in that: the lifting piece (412) comprises a lifting bolt (4121), the end part of the lifting bolt (4121) penetrates through the support frame (41) and the pressing plate (42) and is in threaded connection with the pressing plate (42), and two sides of the pressing plate (42) in the length direction are abutted against the support frame (41).
8. A friction tester according to claim 6, characterized in that: one side of the pressing plate (42) far away from the friction flat plate (2) is vertically fixed with two springs (421), one end of each spring (421) far away from the pressing plate (42) is fixedly connected with the supporting frame (41), and the two springs (421) are symmetrically distributed around the axis of the lifting bolt (4121) at least along the length direction of the pressing plate (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023062826.0U CN214150143U (en) | 2020-12-18 | 2020-12-18 | Friction testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023062826.0U CN214150143U (en) | 2020-12-18 | 2020-12-18 | Friction testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN214150143U true CN214150143U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023062826.0U Active CN214150143U (en) | 2020-12-18 | 2020-12-18 | Friction testing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354426A (en) * | 2022-01-04 | 2022-04-15 | 肇庆宏旺金属实业有限公司 | Friction-resistant test device for color steel |
-
2020
- 2020-12-18 CN CN202023062826.0U patent/CN214150143U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354426A (en) * | 2022-01-04 | 2022-04-15 | 肇庆宏旺金属实业有限公司 | Friction-resistant test device for color steel |
| CN114354426B (en) * | 2022-01-04 | 2024-01-16 | 肇庆宏旺金属实业有限公司 | Friction-resistant test device for color steel |
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