CN112362512A - Curved surface screen test equipment of buckling - Google Patents
Curved surface screen test equipment of buckling Download PDFInfo
- Publication number
- CN112362512A CN112362512A CN202011290238.4A CN202011290238A CN112362512A CN 112362512 A CN112362512 A CN 112362512A CN 202011290238 A CN202011290238 A CN 202011290238A CN 112362512 A CN112362512 A CN 112362512A
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- plate
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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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
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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
- G01N3/02—Details
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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
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electromagnetism (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a curved screen bending test device which comprises a base and a bending mechanism, wherein the bending mechanism comprises a bearing table, a moving device, a rotating device and clamping devices, the bearing table is arranged on the base, the moving device and the rotating device are arranged on the bearing table, the clamping devices are arranged on the moving device and the rotating device and correspond to each other, two ends of a curved screen are respectively clamped and fixed by the two clamping devices, 180-degree bending test is realized through the back-and-forth movement of the moving device and the 180-degree repeated rotation of the rotating device, and a guide roller is further arranged between the moving device and the rotating device and used for guiding and positioning when the curved screen is bent. The curved screen bending test equipment provided by the invention can effectively position the curved screen, realizes 180-degree repeated bending test, and can meet the bending test of each part of the curved screen.
Description
Technical Field
The invention relates to the technical field of curved screen testing, in particular to curved screen bending testing equipment.
Background
The liquid crystal display technology has been changed from the LCD hard screen to the OLED flexible screen. The flexible OLED screen is popular, not only is low in power consumption and high in display effect brought, but also is flexible due to larger revolutionary improvement, so that the basic idea of a display screen for human is changed, the display screen is not planar display any more, and all-directional flexible display can be realized at all angles. In the initial stage of flexible display development and starting, the acquisition of various physical parameters after bending is greatly helpful for the cognition and later promotion of the whole product.
However, at present, the equipment for bending the flexible OLED screen is still very limited, most of the equipment is manual tools, the equipment needs to be maintained by manpower, the equipment is verified by manpower, various problems that a bending surface cannot be shaped, the shaping precision of the bending surface is not enough, the bending effect cannot be maintained, the repeatability (repeatability) of the bending effect is unstable and the like exist, and the equipment is also provided with some automatic ballast mechanisms, so that the structural performance of the equipment is stable, but the test of repeated bending and folding of 180 degrees of each part of the flexible OLED screen cannot be met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide bending test equipment for a curved screen, which can effectively position the curved screen, realize 180-degree repeated bending test and meet the bending test of each part of the curved screen.
In order to achieve the purpose, the invention provides a bending test device of an OLED screen, the bending mechanism comprises a bearing table, a moving device, a rotating device and clamping devices, the bearing table is arranged on a base, the moving device and the rotating device are arranged on the bearing table, the clamping devices are arranged on the moving device and the rotating device and correspond to each other, two ends of the curved screen are clamped and fixed by the two clamping devices respectively, the 180-degree bending test is realized through the back-and-forth movement of the moving device and the 180-degree repeated rotation of the rotating device, and a guide roller is arranged between the moving device and the rotating device and used for guiding and positioning when the curved screen is bent.
The innovation points of the invention are as follows: through the mutual cooperation of plummer, mobile device, rotary device and clamping device, realized that the curved surface screen 180 degrees repeated bending tests, more importantly simultaneously can test each position of curved surface screen, and then can optimize the setting to each position of curved surface screen.
Preferably, the bearing table comprises a first bearing table and a second bearing table, a chute is formed in the first bearing table, a guide rail is arranged in the chute, the moving device comprises a moving plate, the moving plate is connected with the guide rail, the rotating device comprises a rotating plate and a rotating motor, the rotating plate is movably connected with the second bearing table, and the rotating motor is fixedly connected with one side of the second bearing table and connected with the rotating plate.
Through dividing the plummer into two, lie in plummer one and plummer two with mobile device and rotary device respectively, not only can save the materials setting of plummer, more be favorable to mobile device's removal moreover, distance when removing is unrestricted, is fit for the test of multiple length curved surface screen, has improved application scope.
Preferably, the guide roller is fixed at one end of the movable plate close to the rotating device; the traditional guide roller is independently arranged between the movable plate and the rotating plate, an unsupported curved screen is arranged between the movable plate and the guide roller, tension control support needs to be carried out on the curved screen, and the tension control needs to be repeatedly adjusted, so that the accuracy of a test result is influenced; in order to simplify the operation procedure and improve the test result, the guide rollers are directly fixed on the movable plate to realize seamless connection, and the volume of the whole device can be reduced.
Preferably, the moving device further comprises a moving support and a moving motor, two ends of the guide roller are connected with the moving support, the moving support is connected with the moving motor through a sliding seat frame, and a sensor is arranged on the moving motor; through being connected of movable support and guide roll, can directly drive the removal of guide roll, cooperate with rotary device to realize that the limit removes the limit and is crooked, the crooked frequency in each position of curved surface screen keeps unanimous, improves test effect, combines the sensor simultaneously, responds to the motion of movable plate and rotor plate and realizes the control to its motion degree, realizes testing repeatedly, improves test performance.
Preferably, the movable support comprises a guide fixing plate and a motor fixing plate, two ends of the motor fixing plate are connected with the movable motor through a sliding seat, the upper end of the guide fixing plate is connected with the motor fixing plate, and the lower end of the guide fixing plate is connected with the guide roller; the guide fixing plate is vertically connected with the motor fixing plate, and the moving motors are arranged on two sides, so that the moving rollers and the moving plate can be conveniently controlled to move; meanwhile, the guide fixing plate and the motor fixing plate can be connected through bolts, so that the guide fixing plate is convenient to detach and mount, and the service life is prolonged.
Preferably, the length of the guide roller is smaller than the width of the first bearing table, and the lower end of the guide fixing plate is provided with a limiting end for limiting during movement; the limiting end is arranged on the guide fixing plate, the guide fixing plate can be used in combination with a sensor, the movement of the moving plate and the guide roller is limited, and the test accuracy is improved.
Preferably, the clamping device comprises an upper cover, a lower cover and a pressing plate, the pressing plate is located on two sides of the lower cover, one end of the pressing plate is fixedly connected with the lower cover, the other end of the pressing plate is fixed through a fixing block, and the curved screen is conveniently clamped and fixed.
Preferably, the lower cover is provided with a plurality of positioning strips, the positioning strips and one side of the rotating plate close to the guide roller are combined to form positioning grooves, the upper cover is provided with clamping grooves, and the clamping grooves and the positioning grooves are matched with each other; the clamping length of the traditional curved screen is judged manually, so that the clamping length is different, the testing length of the whole curved screen is influenced, the testing effect is reduced, or the length is required to be measured and then clamped each time, and the working efficiency is influenced; the curved screen clamping device can accurately position the clamping length of the curved screen by arranging the positioning strip and the positioning groove, and meanwhile, the clamping groove of the upper cover is clamped and fixed with the positioning groove, so that the clamping degree is good, and the test is convenient.
Preferably, the movable adjusting mechanism comprises a roller, an adjusting block and an adjusting rope, the adjusting rope is connected with the adjusting block, and the adjusting rope is connected with one end, far away from the rotating plate, of the movable plate and guided to move through the roller; through setting up the movement adjustment mechanism, can carry out certain regulation to the speed of movable plate in the removal process, improve the accuracy of curved surface test.
The invention has the beneficial effects that: through the mutual matching action of the bearing table, the moving device, the rotating device and the clamping device, the 180-degree repeated bending test of each part of the curved screen is realized, and further, each part of the curved screen can be optimally set; the arrangement of the guide roller, the sensor and the movement adjusting mechanism improves the accuracy in testing; the bearing table I and the bearing table II are arranged, so that the moving device and the rotating device are separately arranged, the test device is suitable for testing curved screens with different lengths, and the application range is wide.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the bending mechanism.
Fig. 3 is a schematic view of the structure of the product before bending.
Fig. 4 is a structural diagram of a product after bending.
Figure 5 is a schematic view of the product stretched to its limit.
Fig. 6 is a structural diagram of a product after reset.
In the figure: 1-base, 2-bearing table, 3-moving device, 4-rotating device, 5-clamping device, 6-guide roller, 31-moving plate, 32-moving bracket, 33-moving motor, 321-guide fixing plate, 322-motor fixing plate, 41-rotating plate, 42-rotating motor, 21-bearing table I, 22-bearing table II, 211-upper plate, 212-vertical plate, 311-large moving plate, 312-small moving plate, 323-sliding seat, 221-side vertical plate, 331-sensor bracket, 332-sensor, 3211-limiting end, 51-upper cover, 52-lower cover, 53-pressing plate, 54-fixing block, 521-positioning strip, 511-clamping groove, 7-moving adjusting mechanism, 71-roller, 72-adjusting block, 73-adjusting rope.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 6, the present embodiment provides a curved panel bending test apparatus, which includes a base 1 and a bending mechanism, the bending mechanism includes a bearing platform 2, a moving device 3, a rotating device 4, a clamping device 5 and a guide roller 6, the clamping device 5 is respectively located on the moving device 3 and the rotating device 4, and is used for clamping and fixing a curved panel,
the moving device 3 comprises a moving plate 31, a moving bracket 32 and a moving motor 33, the moving bracket 32 comprises a guide fixing plate 321 and a motor fixing plate 322,
the rotating means 4 comprise a rotating plate 41 and a rotating motor 42,
the bearing table 2 comprises a first bearing table 21 and a second bearing table 22,
the first bearing table 21 comprises an upper plate 211 and vertical plates 212 positioned on two sides of the upper plate 211, a sliding chute is arranged on the upper plate 211, steps are arranged on two sides of the sliding chute, guide rails are arranged in the steps, the movable plate 31 comprises a large movable plate 311 and a small movable plate 312, the width of the large movable plate 311 is matched with that of the first bearing table 21, two sides of the large movable plate are respectively connected with the guide rails, the front end of the small movable plate 312 is fixedly connected with the guide rollers 6, two ends of the guide rollers 6 are connected with the lower end of the guide fixed plate 321, the upper end of the guide fixed plate 321 is connected with the upper side of the motor fixed plate 322, two ends of the motor fixed plate 322 are respectively connected with the movable;
the second bearing table 22 comprises two side vertical plates 221 which are arranged in parallel, two ends of the rotating plate 41 are movably connected with the side vertical plates 221, and the rotating motor 42 is fixed on the side vertical plate 221 on one side and connected with the rotating plate 41 to drive the rotating plate 41 to rotate;
in order to improve the accuracy of the test, two sensor brackets 331 are disposed on the moving motor 33, a sensor 332 is fixed on the sensor brackets 331, the sensor 332 is a proximity switch, the disposed position of the proximity switch corresponds to the initial position of the moving plate 31 and the initial position of the rotating plate 41, a limiting end 3211 is disposed at the lower end of the guide fixing plate 321, and the length of the guide roller 6 is set to be greater than the length of the small moving plate 312 and less than the length of the large moving plate 311, so that the position of the moving plate 31 when moving leftward can be controlled to limit the moving plate.
As a preferred embodiment, the clamping device 5 includes an upper cover 51, a lower cover 52 and a pressing plate 53, the pressing plate 53 is located on two sides of the lower cover 52, one end of the pressing plate 53 is fixedly connected with the lower cover 52, the other end of the pressing plate is fixed through a fixing block 54, a plurality of positioning bars 521 are arranged on the lower cover 52, the positioning bars 521 and one side of the rotating plate 41 close to the guide roller 6 are combined to form a positioning groove, so that the clamping length can be accurately positioned when the curved screen is clamped, a clamping surface is generally 2mm on the periphery of the curved screen, the upper cover 51 is provided with a clamping groove 511, the clamping groove 511 and the positioning groove are mutually clamped and fixed, the clamping degree is good, the test.
As a preferred embodiment, a movement adjusting mechanism 7 is further provided, the movement adjusting mechanism 7 includes a roller 71, an adjusting block 72 and an adjusting rope 73, the adjusting rope 73 is connected to the adjusting block 72, the adjusting block 72 with a proper weight can be selected according to actual needs, the adjusting rope 73 is connected to one end of the moving plate 31, which is far away from the rotating plate 41, and the roller 71 guides and moves, so that certain tension adjustment can be performed on the speed of the moving plate 31 in the moving process, and the accuracy of the curved surface test is improved.
In the working process, the peripheries of two ends of the curved screen are clamped under an upper cover 51, a moving motor 33, a rotating motor 42 and a proximity switch are started, the moving motor 33 drives a guide roller 6 and a moving plate 31 to move forwards, meanwhile, the rotating motor 42 drives a rotating plate 41 to rotate downwards to 180 degrees, then, the rotating motor 42 rotates reversely to drive the rotating plate 41 to rotate, the moving motor 33 drives the guide roller 6 and the moving plate 31 to move backwards, the curved screen is driven to carry out repeated 180-degree bending test by repeatedly moving and rotating for a plurality of times, and finally, the curved screen stops when the rotating motor 42 moves to the 180-degree position.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a curved surface screen test equipment of buckling, includes base and bending mechanism, its characterized in that: the bending mechanism comprises a bearing table, a moving device, a rotating device and a clamping device, the bearing table is arranged on the base, the moving device and the rotating device are arranged on the bearing table, the clamping devices are arranged on the moving device and the rotating device and correspond to each other, two ends of the curved screen are clamped and fixed by the two clamping devices respectively, the bending test of 180 degrees is realized through the back-and-forth movement of the moving device and the 180-degree repeated rotation of the rotating device, and a guide roller is further arranged between the moving device and the rotating device and used for guiding and positioning when the curved screen is bent.
2. The curved screen bend test apparatus of claim 1, wherein: the bearing table comprises a first bearing table and a second bearing table, a sliding groove is formed in the first bearing table, a guide rail is arranged in the sliding groove, the moving device comprises a moving plate, the moving plate is connected with the guide rail, the rotating device comprises a rotating plate and a rotating motor, the rotating plate is movably connected with the second bearing table, and the rotating motor is fixed on one side of the second bearing table and connected with the rotating plate.
3. The curved screen bend test apparatus of claim 2, wherein: the guide roller is fixed at one end of the movable plate close to the rotating device.
4. The curved screen bend test apparatus of claim 3, wherein: the moving device further comprises a moving support and a moving motor, two ends of the guide roller are connected with the moving support, the moving support is connected with the moving motor through a sliding seat frame, and a sensor is arranged on the moving motor.
5. The curved screen bend test apparatus of claim 4, wherein: the movable support comprises a guide fixing plate and a motor fixing plate, the two ends of the motor fixing plate are connected with the movable motor through a sliding seat, the upper end of the guide fixing plate is connected with the motor fixing plate, and the lower end of the guide fixing plate is connected with the guide roller.
6. The curved screen bend test apparatus of claim 5, wherein: the length of guide roll is less than the width of plummer one, the direction fixed plate lower extreme is equipped with spacing end for spacing when removing.
7. The curved screen bend test apparatus of any one of claims 1 to 6, wherein: the clamping device comprises an upper cover, a lower cover and pressing plates, wherein the pressing plates are located on two sides of the lower cover, one end of each pressing plate is fixedly connected with the lower cover, and the other end of each pressing plate is fixed through a fixing block.
8. The curved screen bend test apparatus of claim 7, wherein: the lower cover is provided with a plurality of positioning strips, the positioning strips and one side, close to the guide roller, of the rotating plate are combined to form a positioning groove, the upper cover is provided with a clamping groove, and the clamping groove and the positioning groove are matched with each other.
9. The curved screen bend test apparatus of any one of claims 1 to 6, wherein: the movable adjusting mechanism comprises a roller, an adjusting block and an adjusting rope, the adjusting rope is connected with the adjusting block, the adjusting rope is connected with one end, far away from the rotating plate, of the movable plate, and the movable adjusting mechanism moves in a guiding mode through the roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290238.4A CN112362512A (en) | 2020-11-18 | 2020-11-18 | Curved surface screen test equipment of buckling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290238.4A CN112362512A (en) | 2020-11-18 | 2020-11-18 | Curved surface screen test equipment of buckling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112362512A true CN112362512A (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011290238.4A Pending CN112362512A (en) | 2020-11-18 | 2020-11-18 | Curved surface screen test equipment of buckling |
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| Country | Link |
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| CN (1) | CN112362512A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654926A (en) * | 2021-07-07 | 2021-11-16 | 天长市富信电子有限公司 | Screen line bending degree detection equipment based on testing mechanism and use method thereof |
-
2020
- 2020-11-18 CN CN202011290238.4A patent/CN112362512A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654926A (en) * | 2021-07-07 | 2021-11-16 | 天长市富信电子有限公司 | Screen line bending degree detection equipment based on testing mechanism and use method thereof |
| CN113654926B (en) * | 2021-07-07 | 2023-10-31 | 深圳市天瑞显电子有限公司 | Screen line bending degree detection equipment based on test mechanism and use method thereof |
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