CN110160888B - Flexible screen folding testing device - Google Patents
Flexible screen folding testing device Download PDFInfo
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- CN110160888B CN110160888B CN201910527524.9A CN201910527524A CN110160888B CN 110160888 B CN110160888 B CN 110160888B CN 201910527524 A CN201910527524 A CN 201910527524A CN 110160888 B CN110160888 B CN 110160888B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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Abstract
The invention discloses a flexible screen folding testing device which comprises a fixing support plate, a bending motor and a position compensation assembly, wherein the fixing support plate is arranged on one side plate, the bending support plate is positioned on one side of the fixing support plate, the bending motor is connected with a driving shaft, the driving shaft is connected with the bending support plate, one part of a flexible screen is arranged on the fixing support plate, the other part of the flexible screen is arranged on the bending support plate, the position compensation assembly comprises an X-axis compensation assembly and a Y-axis compensation assembly, the X-axis compensation assembly comprises an X-axis compensation motor and an X-axis compensation moving assembly, the X-axis compensation moving assembly is connected with the bending motor, the Y-axis compensation assembly comprises a Y-axis compensation motor and a Y-axis compensation moving assembly, and the Y-axis compensation moving assembly is connected with the X-axis compensation assembly. The invention can truly simulate the folding state of the flexible screen in practical application in the folding test process, avoids the influence of external factors such as sliding or other stretching and extrusion and the like on the test result in the test, and improves the authenticity of the test result.
Description
Technical Field
The invention relates to a screen testing device, in particular to a flexible screen folding testing device.
Background
With the coming release of smart phones carrying foldable OLEDs, foldable smart phones are becoming an industry hotspot. Display panel companies are converting glass materials used in existing substrates into plastic materials. Therefore, the durability of plastic materials becomes an important issue. Among the various types of durability tests, the most common and most critical one is the fold test. The folding test is an experiment of repeatedly bending and unfolding a foldable material including plastic. At the present stage, the testing device used is to rotate the rotating plate using mechanical means after fixing the foldable material to the fixed plate and constraining the remaining part to the rotating plate (slidable). However, in such a device, the turning side of the foldable material will continuously slide and rub against the clamp during the turning and folding process, so that not only will the quality of the product be damaged due to the sliding friction and the test result data will be affected, but also the bending area during the bending process will be uncontrollable due to the sliding, and the test data will not be real and effective enough.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a flexible screen folding test apparatus, which can truly simulate a folding state of a flexible screen in practical application during a folding test process, and simultaneously avoid the influence of external factors such as sliding or other stretching and squeezing on a test result during the test, so as to improve the authenticity of the test result.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme: a flexible screen folding test device comprises a fixed carrier plate, a bending motor and a position compensation assembly, wherein the fixed carrier plate is fixedly arranged on a side plate, the bending carrier plate is positioned on one side of the fixed carrier plate, the bending motor is connected with a driving shaft, the driving shaft is connected with the bending carrier plate, one part of a flexible screen is arranged on the fixed carrier plate, the other part of the flexible screen is arranged on the bending carrier plate, the position compensation assembly comprises an X-axis compensation assembly and a Y-axis compensation assembly, the X-axis compensation assembly comprises an X-axis compensation motor and an X-axis compensation moving assembly, the X-axis compensation moving assembly is connected with the bending motor, the X-axis compensation motor drives the X-axis compensation moving assembly to move, the Y-axis compensation assembly comprises a Y-axis compensation motor and a Y-axis compensation moving assembly, and the Y-axis compensation moving assembly is connected with the X-axis compensation assembly, and the Y-axis compensation motor drives the Y-axis compensation moving assembly to move.
Furthermore, pressing strips for fixing the flexible screen are respectively arranged on the fixing support plate and the bending support plate, and the pressing strips are locked through locking screws so as to compress and fix the flexible screen.
Furthermore, an elastic piece is sleeved on the locking screw.
Furthermore, in the initial state, the fixed carrier plate and the bending carrier plate are positioned at the same horizontal height.
Furthermore, the X-axis compensation moving assembly comprises an X-axis compensation sliding rail and an X-axis compensation sliding block, the X-axis compensation sliding block can move along the X-axis compensation sliding rail, and the X-axis compensation sliding block is connected with the bending motor.
Furthermore, the Y-axis compensation moving assembly comprises a Y-axis compensation sliding rail and a Y-axis compensation sliding block, the Y-axis compensation sliding block can move along the Y-axis compensation sliding rail, and the Y-axis compensation sliding block is connected with the X-axis compensation sliding rail.
Furthermore, the flexible screen folding testing device also comprises an electric cabinet.
Furthermore, the fixed support plate and the bending support plate are respectively arranged on a mounting bracket, a sliding table is arranged at the bottom of the mounting bracket, the sliding table corresponding to the fixed support plate is connected with the side plate through a fixed connecting plate, and the sliding table corresponding to the bending support plate is connected with the driving shaft through a rotating connecting plate.
Furthermore, each sliding table is correspondingly provided with a micrometer.
Furthermore, a slot is formed in the side plate, and the driving shaft penetrates through the slot of the side plate.
The invention has the beneficial effects that:
the invention can realize inward folding and outward folding, thereby expanding the application range of the testing device; according to the invention, the flexible screen product is fixed through the pressing strip, and the elastic piece is sleeved on the locking screw for locking and fixing, so that the pressure for fixing the product is controllable, and the influence on the product during product fixing can be reduced to the maximum extent; in addition, the testing device provided by the invention is provided with the position compensation component, so that the relative positions of the fixed carrier plate and the turnover carrier plate can be compensated in real time while the folding product is turned over, the folding process of the flexible screen product in a zero-pulling and zero-extrusion state is ensured, the damage and the damage of the product caused by pulling and extrusion are avoided, the whole testing process can truly reflect the folding process in the practical application of the product, and the real and effective testing data is provided.
Drawings
Fig. 1 is a schematic perspective view of the interior of the flexible screen folding testing device of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a schematic perspective view of another view angle inside the flexible screen folding testing device according to the present invention.
Fig. 4 is a schematic view of the overall structure of the flexible screen folding testing device of the present invention.
Fig. 5 is a schematic diagram of a predetermined trajectory of a folding process when a folding test is performed using the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
As shown in fig. 1 to 5, a flexible screen folding testing apparatus according to an embodiment of the present invention includes a fixed carrier plate 1, a bending carrier plate 2, a bending motor 3, and a position compensation assembly, wherein the fixed carrier plate 1 is fixedly mounted on a side plate 4, and the bending carrier plate 2 is located on one side of the fixed carrier plate 1; in an initial state, the fixed carrier plate 1 and the bending carrier plate 2 are positioned at the same horizontal height; the bending motor 3 is positioned behind the side plate 4, and the bending motor 3 is connected with a driving shaft 5; the side plate 4 is provided with a slot, and the driving shaft 5 is arranged in the slot of the side plate 4 in a penetrating way. The driving shaft 5 is connected with the bending carrier plate 2, one part (fixed part) of the flexible screen is fixedly arranged on the fixed carrier plate 1, and the other part (overturning part) of the flexible screen is fixedly arranged on the bending carrier plate 2; the fixing support plate 1 and the bending support plate 2 are respectively provided with a pressing strip 6 for fixing the flexible screen, and the pressing strips 6 are locked through locking screws 7 so as to compress and fix the flexible screen.
The fixed carrier plate 1 and the bending carrier plate 2 both adopt high-strength and light aluminum alloy thin plates, and the whole device can perform turnover motion in the positive and negative directions, so that the requirements of a user on performing internal and external folding tests on a product can be met, and the utilization rate of the device is greatly improved.
In the technical scheme, the locking screw 7 is sleeved with the elastic part 8, so that the locking screw 7 can adjust the locking force, and the pressure for pressing and fixing the flexible screen by the pressing strip 6 is controllable; therefore, compared with the traditional direct locking and pressing product, the device can furthest reduce the damage and the damage to the product caused by the pressing device on the premise of ensuring the reliable fixation of the product.
In the above technical solution, specifically, the fixed carrier plate 1 and the bending carrier plate 2 are respectively disposed on a mounting bracket 9, a sliding table 10 is disposed at the bottom of the mounting bracket 9, the sliding table 10 corresponding to the fixed carrier plate 1 is connected to the side plate 4 through a fixed connecting plate 11, and the sliding table 10 corresponding to the bending carrier plate 2 is connected to the driving shaft 5 through a rotating connecting plate 12. A micrometer 13 is correspondingly arranged at each sliding table 10. Through the setting of slip table 10, can realize fixed support plate 1 and the accurate position adjustment of bending support plate 2 on the vertical direction, so, can satisfy the folding test demand that the user required to the different bending radii of product, improve the commonality and the practicality of whole device.
The position compensation assembly comprises an X-axis compensation assembly and a Y-axis compensation assembly, wherein the X-axis compensation assembly comprises an X-axis compensation motor 14 and an X-axis compensation moving assembly, the X-axis compensation moving assembly is connected with the bending motor 3, the X-axis compensation motor 14 drives the X-axis compensation moving assembly to move, the Y-axis compensation assembly comprises a Y-axis compensation motor 17 and a Y-axis compensation moving assembly, the Y-axis compensation moving assembly is connected with the X-axis compensation assembly, and the Y-axis compensation motor 17 drives the Y-axis compensation moving assembly to move.
Specifically, in the above technical solution, the X-axis compensation moving assembly includes an X-axis compensation sliding rail 15 and an X-axis compensation sliding block 16, and the X-axis compensation sliding block 16 is connected to the bending motor 3; the X-axis compensation motor 14 is connected with an X-axis rotating screw, and an X-axis compensation sliding block 16 is installed on the X-axis rotating screw through threads; the X-axis compensation motor 14 can drive the X-axis compensation slider 16 to move along the X-axis through the X-axis rotation screw, so as to drive the bending motor 3 to move along the X-axis direction.
Similarly, the Y-axis compensation moving assembly comprises a Y-axis compensation slide rail 18 and a Y-axis compensation slide block 19, and the Y-axis compensation slide block 19 is connected with the X-axis compensation slide rail 15; the Y-axis compensation motor 17 is connected with a Y-axis rotating screw, and a Y-axis compensation sliding block 18 is installed on the Y-axis rotating screw through threads; the Y-axis compensation motor 17 can drive the Y-axis compensation slider 19 to move along the Y-axis through the Y-axis rotation screw, so as to drive the X-axis compensation slide 15 to move along the Y-axis direction.
In this embodiment, the flexible screen folding testing apparatus further includes an electric cabinet 20 to control a predetermined bending track during the bending process.
As shown in fig. 4, the flexible screen testing device further includes a protective cover 21, and other components of the device are disposed in the protective cover 21. The whole device is a desktop type machine table, is small and convenient to use integrally and is convenient to use in various occasions.
Before use, the device is reset to the zero point, so that the fixed carrier plate 1 and the bending carrier plate 2 are at the same horizontal height in the initial state, and the requirements of the bending radius, the folding angle and the folding frequency, whether the flexible screen product is folded in an outward way or in an inward way and the like are set, so that the setting of the bending preset track of the flexible screen product is completed; then, one part (a fixing part) of the flexible screen product is placed on the fixing carrier plate 1, the other part (a turning part) of the flexible screen product is placed on the bending carrier plate 2, the flexible screen product is pressed and covered and fixed through the pressing strip 6, the pressing strip 6 is locked and attached through the matching of the locking screw 7 and the elastic piece 8 and the set torsion, and the fixing of the flexible screen product is completed; the folding test can be initiated by closing the protective cover of the device.
After the flexible screen product is started, the bending motor 3 drives the bending support plate 2 to turn over through the driving shaft 5, so that the turning part of the flexible screen product is folded relative to the fixed part; in the folding process, the electric cabinet controls the X-axis compensation motor 14 and the Y-axis compensation motor 17; the X-axis compensation motor 14 drives the bending motor 3 to perform compensation movement along the X-axis direction through the X-axis compensation movement component; the Y-axis compensation motor 17 drives the X-axis compensation moving assembly to move along the Y-axis direction through the Y-axis compensation moving assembly so as to realize the compensation movement of the bending motor 3 along the Y-axis direction; therefore, the bending position of the bending support plate 2 relative to the fixed support plate 1 can be compensated in real time through the position compensation assembly, so that the folding process can be carried out according to the bending preset track, the folding process of the flexible screen product in a zero-pulling and zero-extrusion state is guaranteed, the damage and the damage of the product caused by pulling and extrusion are avoided, the whole test process can truly reflect the folding process in the practical application of the product, and the true and effective service life test data of the product are provided.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a testing arrangement is folded to flexible screen which characterized in that: comprises a fixed carrier plate, a bending motor and a position compensation component, wherein the fixed carrier plate is fixedly arranged on a side plate, the bending carrier plate is positioned on one side of the fixed carrier plate, the bending motor is connected with a driving shaft, the driving shaft is connected with the bending carrier plate, one part of the flexible screen is arranged on the fixed carrier plate, the other part of the flexible screen is arranged on the bending carrier plate, the position compensation assembly comprises an X-axis compensation assembly and a Y-axis compensation assembly, wherein the X-axis compensation assembly comprises an X-axis compensation motor and an X-axis compensation moving assembly, the X-axis compensation moving assembly is connected with the bending motor, the X-axis compensation motor drives the X-axis compensation moving assembly to move, the Y-axis compensation assembly comprises a Y-axis compensation motor and a Y-axis compensation moving assembly, the Y-axis compensation moving assembly is connected with the X-axis compensation assembly, and the Y-axis compensation motor drives the Y-axis compensation moving assembly to move.
2. The flexible screen folding test device according to claim 1, characterized in that: pressing strips for fixing the flexible screen are respectively arranged on the fixing support plate and the bending support plate, and the pressing strips are locked through locking screws so as to compress and fix the flexible screen.
3. The flexible screen folding test device according to claim 2, characterized in that: the locking screw is sleeved with an elastic piece.
4. The flexible screen folding test device according to claim 1, characterized in that: in an initial state, the fixed carrier plate and the bending carrier plate are positioned at the same horizontal height.
5. The flexible screen folding test device according to claim 1, characterized in that: the X-axis compensation moving assembly comprises an X-axis compensation sliding rail and an X-axis compensation sliding block, the X-axis compensation sliding block can move along the X-axis compensation sliding rail, and the X-axis compensation sliding block is connected with the bending motor.
6. The flexible screen folding test device according to claim 5, characterized in that: the Y-axis compensation moving assembly comprises a Y-axis compensation sliding rail and a Y-axis compensation sliding block, the Y-axis compensation sliding block can move along the Y-axis compensation sliding rail, and the Y-axis compensation sliding block is connected with the X-axis compensation sliding rail.
7. The flexible screen folding test device according to claim 1, characterized in that: also comprises an electric control box.
8. The flexible screen folding test device according to claim 1, characterized in that: the fixing support plate and the bending support plate are respectively arranged on a mounting support, a sliding table is arranged at the bottom of the mounting support, the sliding table corresponding to the fixing support plate is connected with the side plate through a fixing connecting plate, and the sliding table corresponding to the bending support plate is connected with the driving shaft through a rotating connecting plate.
9. The flexible screen folding test device according to claim 8, characterized in that: and a micrometer is correspondingly arranged at each sliding table.
10. The flexible screen folding test device according to claim 1, characterized in that: the side plate is provided with a slot, and the driving shaft penetrates through the slot of the side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910527524.9A CN110160888B (en) | 2019-06-18 | 2019-06-18 | Flexible screen folding testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910527524.9A CN110160888B (en) | 2019-06-18 | 2019-06-18 | Flexible screen folding testing device |
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| CN110160888A CN110160888A (en) | 2019-08-23 |
| CN110160888B true CN110160888B (en) | 2022-03-29 |
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| CN201910527524.9A Active CN110160888B (en) | 2019-06-18 | 2019-06-18 | Flexible screen folding testing device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567794A (en) * | 2019-09-12 | 2019-12-13 | 北京玛尔斯精密设备有限公司 | XYC three-degree-of-freedom bending test equipment for flexible material |
| CN112198064B (en) * | 2020-08-17 | 2024-05-07 | 苏州华兴源创科技股份有限公司 | Flexible screen bending test device and test method |
| CN112393888B (en) * | 2020-10-29 | 2022-12-06 | 合肥维信诺科技有限公司 | Testing system of flexible display screen body and display device |
| CN113624463B (en) * | 2021-08-13 | 2023-11-24 | 成都京东方光电科技有限公司 | Jig and method for testing optimal rotating track of folding screen |
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