CN215492947U - Plastic sliding friction tester - Google Patents
Plastic sliding friction tester Download PDFInfo
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- CN215492947U CN215492947U CN202120148250.5U CN202120148250U CN215492947U CN 215492947 U CN215492947 U CN 215492947U CN 202120148250 U CN202120148250 U CN 202120148250U CN 215492947 U CN215492947 U CN 215492947U
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Abstract
The utility model discloses a plastic sliding friction testing machine, which comprises a friction mechanism, a tension mechanism and a sensor, wherein the friction mechanism is arranged on the plastic sliding friction testing machine; the friction mechanism comprises a motor and a friction wheel in driving connection with the motor; and, the friction mechanism is provided with a sensor; the tension mechanism comprises a balancing weight and a tension seat, and the balancing weight is connected with the tension seat through a connecting rope; the lower side of the friction wheel is provided with a sample seat, and the pull seat is detachably connected to the sample seat relative to the sample seat. So, through designing a plastics sliding friction test machine, its simple structure, arrange rationally, easily realize, manufacturing cost is lower, and, be provided with dynamic torque sensor and can be real-time, accurate collection friction torque data, relative current friction test machine's sensor, the data change of catching friction torque in the test procedure that can be accurate.
Description
Technical Field
The utility model relates to the technical field of plastic and composite material detection equipment thereof, in particular to a plastic sliding friction testing machine.
Background
In order to improve the performance and appearance of the plastic part, post-processing treatment such as pad printing and spraying is required, and in order to ensure the quality of the post-processing treatment, a sliding friction and wear test is required to be carried out on the plastic part.
However, the existing plastic sliding friction tester still has some defects, such as: 1. the structure is complex, and the manufacturing cost is high; 2. the testing efficiency is not high and the testing data is not accurate enough; 3. the fixing mode of the sample is not good enough, so that the sample is easy to move, and the accuracy of test data is influenced.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to the defects in the prior art, and the main object of the present invention is to provide a plastic sliding friction testing machine, which is designed to have a simple structure, a reasonable arrangement, easy implementation, and a low manufacturing cost.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a plastic sliding friction tester comprises a friction mechanism, a tension mechanism and a sensor; the friction mechanism comprises a motor and a friction wheel in driving connection with the motor; and, the friction mechanism is provided with a sensor; wherein:
the tension mechanism comprises a balancing weight and a tension seat, and the balancing weight is connected with the tension seat through a connecting rope;
the lower side of the friction wheel is provided with a sample seat, and the pull seat is detachably connected to the sample seat relative to the sample seat.
Preferably, the tension seat is ring-shaped, and a tension acting portion is provided on a lower side of the tension seat.
Preferably, the tension application part has a tension plane, and accordingly, the sample holder has a force receiving plane adapted to the tension plane.
Preferably, the lower side of the pull seat is provided with a locking mechanism, and the pull seat and the sample seat are detachably connected through the locking mechanism.
Preferably, the locking mechanism comprises an eccentric rod and a handle connected with the eccentric rod.
As a preferred scheme, the motor is connected with a rotating shaft in a transmission manner, and the friction wheel and the sensor are arranged on the rotating shaft.
Preferably, the sensor is a dynamic torque sensor.
As a preferable scheme, the sample holder comprises a sample holder base, the sample holder base is provided with a placing concave position for placing a sample, and pressing blocks are arranged on the left side and the right side of the placing concave position to fix the sample.
Preferably, the sample holder base is detachably disposed at a lower side of the friction wheel.
Preferably, the counterweight block comprises a plurality of weights.
Compared with the prior art, the plastic sliding friction testing machine has the advantages and beneficial effects, and particularly, the plastic sliding friction testing machine is designed according to the technical scheme, and is simple in structure, reasonable in arrangement, easy to realize and low in manufacturing cost;
secondly, the design of the tension mechanism is ingenious, particularly the tension seat can uniformly apply pressure on the tested sample, and the reliability of test data is improved;
thirdly, the sample seat is simple in design, ingenious in structure, good in stability and capable of well clamping the tested sample, and the reliability of the test data of the testing machine is further improved;
and the dynamic torque sensor can accurately collect friction torque data in real time, and compared with the sensor of the existing friction testing machine, the dynamic torque sensor can accurately capture the data change of the friction torque in the testing process.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a partial exploded view of an embodiment of the present invention;
fig. 3 is a partially enlarged view of fig. 2.
The attached drawings indicate the following:
10. motor 11 and friction wheel
12. Sensor 21, counterweight
22. Tension seat 221 and tension plane
30. Sample holder 31, sample holder base
32. Pressing block 41 and eccentric rod
42. A handle.
Detailed Description
Referring to fig. 1 to 3, specific structures of the embodiments of the present invention are shown.
A plastic sliding friction tester comprises a friction mechanism, a tension mechanism and a sensor 12; the friction mechanism comprises a motor 10 and a friction wheel 11 in driving connection with the motor 10; and, the friction mechanism is provided with a sensor 12; wherein:
the tension mechanism comprises a balancing weight 21 and a tension seat 22, and the balancing weight 21 and the tension seat 22 are connected through a connecting rope;
the sample holder 30 is arranged on the lower side of the friction wheel 11, and the tension holder 22 is detachably connected to the sample holder 30 relative to the sample holder 30.
Specifically, the tension seat 22 is annular, and has a tension acting portion on the lower side thereof. The tension applying portion has a tension plane 221, and accordingly, the sample holder 30 has a force receiving plane adapted to the tension plane 221. Here, design pulling force seat 22 annularly, be favorable to guaranteeing the stability to the application of force of sample seat 30, compare prior art concentrate to the certain point of sample seat 30 concentrated application of force, the application of force is more even, and the test data reliability is higher.
Further, the lower side of the pull seat 22 is provided with a locking mechanism, by which the pull seat 22 and the sample seat 30 are detachably connected. Specifically, the locking mechanism includes an eccentric rod 41 and a handle 42 to which the eccentric rod 41 is connected; in use, the handle 42 is pulled to rotate the eccentric rod 41 to release the pull seat 22, so as to apply pressure to the sample to be tested on the sample seat 30.
Further, the motor 10 transmission is connected with the pivot, the motor 10 passes through the hold-in range and drives the pivot and rotate, simultaneously, the front and back side of pivot all is provided with the bearing, has further improved the operating stability of pivot. The friction wheel 11 and the sensor 12 are both arranged on the rotating shaft.
Meanwhile, the sensor 12 is preferably a dynamic torque sensor, and compared with other existing sensors, the dynamic torque sensor can more accurately capture the change of the friction torque in the test process and feed back the change to the control system; here, it should be added that the control system generally includes a PLC controller, and the PLC controller can be used to better ensure the accuracy of the rotating speed of the rotating shaft and the testing time. Meanwhile, the motor 10 is preferably a stepping motor, and the connecting rope is preferably a steel wire rope.
Further, referring to fig. 3, the sample holder 30 includes a sample holder base 31, the sample holder base 31 has a placing recess for placing a sample, and press blocks 32 are disposed on left and right sides of the placing recess to fix the sample.
Preferably, the sample holder base 31 is detachably disposed at the lower side of the friction wheel 11; so, can make things convenient for sample seat base 31's change, simultaneously, when the product of the different specifications of test, probably need corresponding sample seat base 31, through sample seat base 31's detachable setting, improved the commonality of the friction test machine of this implementation greatly, suitable using widely.
Preferably, balancing weight 21 includes the weight seat and sets up a plurality of weight on the weight seat, and operating personnel can select to increase or reduce the weight according to the needs of test.
Meanwhile, what needs to be supplemented is that, in practical application, the plastic sliding friction testing machine further comprises a machine shell, the motor 10, the sensor 12, the balancing weight 21 and the related control device are all arranged in the machine shell, the friction wheel 11, the tension seat 22 and the locking mechanism are arranged outside the machine shell, stability and reliability of the machine are guaranteed, and the balancing weight 21 can be arranged outside the machine shell to facilitate replacement of the balancing weight. And the control device is connected with a display screen and an operation panel which are exposed out of the shell. Here, reference is made to fig. 1.
The following describes the general operation principle of the plastic sliding friction tester according to the present embodiment in practical use:
the motor 10 controls the rotation of the friction wheel through the synchronous belt and the dynamic torque sensor, and can read the friction torque in real time and record the torque change in the test process through the dynamic torque sensor.
The weight seat is connected to the tension seat 22 through a fixed pulley and a steel wire rope, and the bearing load of the tested sample is controlled by adjusting the size and the number of the weight blocks.
Pulling the handle 42 to rotate the eccentric rod 41 to release the tension seat 22, so as to fix the tested plastic on the sample seat 30 and fix the tested plastic through the pressing blocks 32 at the two ends. The stress load of the tested sample is adjusted by adjusting the number of the weights on the weight seat. After a start button is pressed down, the friction wheel 11 and a tested sample generate friction motion at a set speed of 2000r/min, and the friction torque is read in real time through a dynamic torque sensor and the torque change in the test process is recorded.
The design of the utility model is characterized in that the utility model mainly designs a plastic sliding friction tester which has simple structure, reasonable arrangement, easy realization and lower manufacturing cost;
secondly, the design of the tension mechanism is ingenious, particularly the tension seat can uniformly apply pressure on the tested sample, and the reliability of test data is improved;
thirdly, the sample seat is simple in design, ingenious in structure, good in stability and capable of well clamping the tested sample, and the reliability of the test data of the testing machine is further improved;
and the dynamic torque sensor can accurately collect friction torque data in real time, and compared with the sensor of the existing friction testing machine, the dynamic torque sensor can accurately capture the data change of the friction torque in the testing process.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (10)
1. A plastics sliding friction test machine which characterized in that: comprises a friction mechanism, a tension mechanism and a sensor; the friction mechanism comprises a motor and a friction wheel in driving connection with the motor; and, the friction mechanism is provided with a sensor; wherein:
the tension mechanism comprises a balancing weight and a tension seat, and the balancing weight is connected with the tension seat through a connecting rope;
the lower side of the friction wheel is provided with a sample seat, and the pull seat is detachably connected to the sample seat relative to the sample seat.
2. The plastic sliding friction tester according to claim 1, characterized in that: the tension seat is annular, and the lower side of the tension seat is provided with a tension acting part.
3. The plastic sliding friction tester according to claim 2, characterized in that: the tension acting part is provided with a tension plane, and correspondingly, the sample holder is provided with a stress plane matched with the tension plane.
4. The plastic sliding friction tester according to claim 1, characterized in that: the lower side of the tension seat is provided with a locking mechanism, and the tension seat and the sample seat can be detachably connected through the locking mechanism.
5. The plastic sliding friction tester according to claim 4, characterized in that: the locking mechanism comprises an eccentric rod and a handle connected with the eccentric rod.
6. The plastic sliding friction tester according to claim 1, characterized in that: the motor transmission is connected with the pivot, friction pulley and sensor set up in the pivot.
7. The plastic sliding friction tester according to claim 1, characterized in that: the sensor is a dynamic torque sensor.
8. The plastic sliding friction tester according to claim 1, characterized in that: the sample seat comprises a sample seat base, the sample seat base is provided with a concave position for placing a sample, and pressing blocks are arranged on the left side and the right side of the concave position for fixing the sample.
9. The plastic sliding friction tester according to claim 8, characterized in that: the sample seat base is detachably arranged on the lower side of the friction wheel.
10. The plastic sliding friction tester according to claim 1, characterized in that: the balancing weight comprises a plurality of weights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148250.5U CN215492947U (en) | 2021-01-20 | 2021-01-20 | Plastic sliding friction tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148250.5U CN215492947U (en) | 2021-01-20 | 2021-01-20 | Plastic sliding friction tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215492947U true CN215492947U (en) | 2022-01-11 |
Family
ID=79761208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120148250.5U Active CN215492947U (en) | 2021-01-20 | 2021-01-20 | Plastic sliding friction tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215492947U (en) |
-
2021
- 2021-01-20 CN CN202120148250.5U patent/CN215492947U/en active Active
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