CN116499894B - Flexible screen bending testing device - Google Patents
Flexible screen bending testing device Download PDFInfo
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- CN116499894B CN116499894B CN202310785670.8A CN202310785670A CN116499894B CN 116499894 B CN116499894 B CN 116499894B CN 202310785670 A CN202310785670 A CN 202310785670A CN 116499894 B CN116499894 B CN 116499894B
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- 230000009975 flexible effect Effects 0.000 title claims abstract description 67
- 238000005452 bending Methods 0.000 title claims abstract description 48
- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 238000010030 laminating Methods 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 12
- 239000007787 solid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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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- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
- G09F9/335—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes being organic light emitting diodes [OLED]
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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
- G01N2203/0003—Steady
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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
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
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- Analytical Chemistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a flexible display screen bending test facility, in particular to a flexible display screen bending test device, which comprises a base, wherein a bending piece is arranged at the rear part of the upper end of the base, a heating rod is vertically arranged in the middle of the upper end of the bending piece, a guide sleeve is fixedly arranged on the outer surface of the heating rod, a guide plate is fixedly arranged at the front end of the guide sleeve, a plurality of fixing seats are embedded in a linear array at the lower end of the guide plate, threaded columns are rotationally embedded at the front ends of the fixing seats, a threaded ring is screwed on the outer surface of the threaded columns, a pressing plate is fixedly arranged at the upper end of the threaded ring, a concave frame extends at the lower end of the threaded ring, and a prism is fixedly arranged at the front end of the fixing seat and is in fit and penetrates through the concave frame. The invention improves the accuracy of the test, ensures that the bending area of the flexible screen can be always in a heating state in the bending test process, and simultaneously ensures the convenience in the bending test.
Description
Technical Field
The invention relates to the field of flexible display screen bending test facilities, in particular to a flexible display screen bending test device.
Background
The flexible screen refers to a flexible OLED, and the successful mass production of the flexible screen is not only beneficial to the manufacture of new generation high-end smart phones, but also has profound effects on the application of wearable equipment due to the low power consumption and the flexible property of the flexible screen.
The flexible display screen is required to be subjected to bending test in the production process, and the display screen is inspected. However, because the flexible screen can generate heat in the actual use process, namely after people use for a long time, the flexible screen can bend in a heating state, and the existing flexible screen is only subjected to bending test in the flexible screen testing process, the actual use scene is not simulated in the flexible screen testing process, and the test is not accurate enough.
Disclosure of Invention
The invention aims to solve the defects in the background art and provides a flexible screen bending test device.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a flexible screen bending test device, includes the base, the upper end rear portion of base is provided with the piece of bending, the upper end middle part of the piece of bending is installed perpendicularly and is heated the stick, the surface fixed mounting of heating the stick has the guide pin bushing, the front end fixed mounting of guide pin bushing has the guide vane, the lower tip linear array of guide vane is inlayed and is had a plurality of fixing bases, the front end of fixing base rotates and inlays the screw thread post, screw thread post's surface screw has the screwed ring, screw thread ring's upper end fixed mounting has the clamp plate, screw thread ring's lower extreme extends there is the spill frame, the front end fixed mounting of fixing base has the prism, the prism laminating runs through in the inside of spill frame.
Preferably, the bending piece comprises a stand fixedly installed at the central position of the rear portion of the upper end of the base, a threaded rod is inserted through and rotated on the side face of the stand, two thread sleeves are symmetrically screwed on the outer surface of the threaded rod, threads at two ends of the threaded rod are symmetrically arranged, two first lugs are respectively extended at the front ends of the thread sleeves, and clamping pieces are installed at the upper ends of the first lugs.
Preferably, the side of stand is run through and is inlayed there is the restriction pole, the restriction pole is located the threaded rod under, the surface laminating of restriction pole is installed and is restricted the cover, the upper end of restriction cover and the lower extreme fixed connection of thread bush, the front end fixed mounting of stand has the guide bar, the guide bar is located the middle part place ahead of threaded rod, the front end and the base fixed connection of guide bar, the surface laminating of guide bar is installed and is led the cover, the both sides of uide cover all extend and have No. two lugs, uide cover and No. two lugs integrated into one piece, the upper end rotation of No. two lugs is connected with the connecting rod, the tip and the lug rotation of connecting rod are connected, the connecting rod is backward slope setting.
Preferably, the end coaxial fixed mounting of threaded rod has servo motor, servo motor's lower extreme fixed mounting has the motor frame, motor frame's tip and base fixed connection, the upper end of uide bushing is connected with the carrier frame, the inside laminating elastic mounting of carrier frame has the carrier seat, the heating rod runs through and inlays in the upper end of carrier seat.
Preferably, the both sides fixed mounting who bears the frame has even solid frame, even solid lower extreme and uide bushing fixed connection of frame, the both sides that bear the seat all extend there is the slider, bear seat and slider integrated into one piece, the inside both sides that bear the frame are run through and are offered the spout, the slider laminating is in the inside of spout, the rear end fixed mounting who bears the seat has the spring body, the tip of spring body and the inside rear end fixed connection who bears the frame.
Preferably, the clamping piece comprises two fixing frames which are respectively and rotatably arranged at the upper ends of two first lugs, the two fixing frames are symmetrically arranged, a plurality of jacking blocks are fixedly arranged at opposite ends of the fixing frames in a linear array mode, the two fixing frames are hollow, a pressing seat is elastically arranged in the fixing frames, and the shape of the pressing seat is in a concave shape.
Preferably, the front end symmetry fixed mounting of seat is pressed has two guide posts, the guide post runs through from the preceding terminal surface laminating of fixed frame, the coaxial inlayed of surface of guide post has the clamping ring, the clamping ring laminating is in the front end of fixed frame, the ring body is installed in the surface laminating of guide post, the ring body is located the place ahead of clamping ring, the outside winding of guide post has compression spring, compression spring is located between the front end of clamping ring and the rear end of ring body, the ring body is fixed in on the fixed frame.
Preferably, a pull frame is connected between the end parts of the two guide posts, and the guide posts and the compression ring are integrally formed.
Compared with the prior art, the invention has the following beneficial effects:
1. through the guide piece that sets up, can utilize the guide pin bushing to absorb and conduct the heat that the heating rod produced to on the guide piece to with the help of the guide piece with the heat conduction to the middle part of flexible screen body, make the bending region of flexible screen body can be in the state of generating heat, with bending test under this state of generating heat, simulate the bending scene under the in-service use state promptly, with this degree of accuracy that improves the test.
2. And when the guide sheet is attached to the flexible screen body for conducting heat, the threaded column can be rotated, so that a threaded ring screwed on the threaded column can be moved, at the moment, the concave frame is attached to the prism for sliding, so as to assist the threaded ring to move, a pressing plate on the threaded ring can be pressed on the flexible screen body, the guide sheet and a bending area of the flexible screen body can be tightly attached, the flexible screen body can be synchronously bent along with the bending of the flexible screen body in the bending test process, namely, the guide sheet can be always attached to the flexible screen body for conducting heat, and the bending area of the flexible screen body can be always in a heating state in the bending test process.
3. Through the holder that sets up, can directly stimulate the pull frame on the fixed frame, and then drive the guide post forward that is promoted by compression spring, the seat that presses of guide post tip this moment is in the inside synchronous forward of fixed frame, compression spring shrink deformation simultaneously, insert the edge of flexible screen body in fixed frame and loosen the pull frame afterwards, make compression spring can resume deformation and promote the guide post, let the seat of pressing can reset in order to compress tightly on the flexible screen body, with the both sides centre gripping of flexible screen body in two fixed frames, with this can accomplish the fixed test to the flexible screen body, its process convenient operation, the effectual convenience when guaranteeing the bending test.
Drawings
FIG. 1 is a schematic diagram of a flexible screen bending test device according to the present invention;
FIG. 2 is a schematic view of a flexible screen bending test device of the present invention at a guide post;
FIG. 3 is a schematic view of a flexible screen bending test device of the present invention at a carrying frame;
FIG. 4 is a bottom view of a flexible screen bend test device of the present invention at a threaded post;
FIG. 5 is a rear view of a flexible screen bend test apparatus of the present invention at a guide tab;
FIG. 6 is a schematic diagram of a press seat of a flexible screen bending test device according to the present invention;
fig. 7 is a view showing the use of a flexible screen bending test device according to the present invention.
In the figure: 1. a base; 2. a standing platform; 3. a threaded rod; 4. a servo motor; 5. a motor frame; 6. a guide rod; 7. a flexible screen body; 8. a guide piece; 9. a pressing plate; 10. a pull frame; 11. a fixed frame; 12. a top block; 13. pressing a base; 14. a guide post; 15. a ring body; 16. a compression spring; 17. a compression ring; 18. a thread sleeve; 19. a first lug; 20. a restraining bar; 21. a limiting sleeve; 22. a carrying frame; 23. a spring body; 24. a bearing seat; 25. guide sleeve; 26. a heating rod; 27. a fixing seat; 28. a threaded column; 29. a threaded ring; 30. a prism; 31. a concave frame; 32. a chute; 33. a slide block; 34. a connecting and fixing frame; 35. a guide sleeve; 36. a second lug; 37. and a connecting rod.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The flexible screen bending test device as shown in fig. 1-7 comprises a base 1, a bending piece is arranged at the rear part of the upper end of the base 1, a heating rod 26 is vertically arranged in the middle of the upper end of the bending piece, a guide sleeve 25 is fixedly arranged on the outer surface of the heating rod 26, a guide piece 8 is fixedly arranged at the front end of the guide sleeve 25, a plurality of fixing seats 27 are embedded in a linear array at the lower end of the guide piece 8, a threaded column 28 is rotationally embedded at the front end of the fixing seat 27, a threaded ring 29 is screwed on the outer surface of the threaded column 28, a pressing plate 9 is fixedly arranged at the upper end of the threaded ring 29, a concave frame 31 extends at the lower end of the threaded ring 29, a prism 30 is fixedly arranged at the front end of the fixing seat 27, and the prism 30 is matched with the concave frame 31 so that the threaded ring 29 cannot rotate along with the threaded column 28 when the threaded column 28 rotates, and the prism 30 is jointed and penetrates through the inside the concave frame 31.
The bending piece comprises a stand 2 fixedly installed at the center position of the rear portion of the upper end of a base 1, a threaded rod 3 is inserted through and rotated on the side face of the stand 2, two thread sleeves 18 are symmetrically screwed on the outer surface of the threaded rod 3, threads at two ends of the threaded rod 3 are symmetrically arranged to play a role in enabling the two thread sleeves 18 to move in opposite directions, the stand 2 plays a role in bearing the threaded rod 3 and a limiting rod 20, two first lugs 19 are respectively extended from the front ends of the two thread sleeves 18, and clamping pieces are installed at the upper ends of the two first lugs 19.
The limit pole 20 has been run through to the side of stand 2, limit pole 20 is located the threaded rod 3 under, limit pole 20's surface laminating is installed limit cover 21, cooperation between limit cover 21 and the limit pole 20 plays the effect that lets thread bush 18 can not follow threaded rod 3 pivoted together, the upper end of limit cover 21 and the lower extreme fixed connection of thread bush 18, stand 2's front end fixed mounting has guide bar 6, guide bar 6 is located the middle part place ahead of threaded rod 3, guide bar 6's front end and base 1 fixed connection, guide bar 6's surface laminating is installed guide bush 35, guide bar 6 and guide bush 35 play the effect of guaranteeing that carriage 22 is sharp back and forth movement, guide bush 35's both sides all extend No. two lugs 36, guide bush 35 and No. two lugs 36 integrated into one piece, no. two lugs 36's upper end rotation is connected with connecting rod 37, no. 36 plays the effect that is connected with connecting rod 37, connecting rod 37's tip and No. 19 rotation connection, connecting rod 37 are the slope setting backward.
The end coaxial fixed mounting of threaded rod 3 has servo motor 4, servo motor 4's lower extreme fixed mounting has motor frame 5, motor frame 5's tip and base 1 fixed connection, motor frame 5 plays the effect of fixing servo motor 4, the upper end of uide bushing 35 is connected with bears frame 22, servo motor 4 plays and drives threaded rod 3 and carry out pivoted effect, bear frame 22's inside laminating elastic mounting has and bears seat 24, heating rod 26 runs through and inlays in bearing seat 24's upper end, and when two fixed frames 11 are promoting flexible screen body 7 from both sides, still can drive the connecting rod 37 motion, in order to utilize connecting rod 37 to promote uide bushing 35, make uide bushing 35 can slide the antedisplacement on guide bar 6, slide 33 on bearing seat 24 is in the spout 32 on bearing frame 22 under the promotion of spring body 23 simultaneously, so that the antedisplacement distance of guide vane 8 can adapt to the crooked antedisplacement distance in flexible screen body 7 middle part, let guide vane 8 and flexible screen body 7 can move in step, and paste on flexible screen body 7.
The both sides fixed mounting of frame 22 have to link solid frame 34, link the lower extreme and the uide bushing 35 fixed connection of solid frame 34, link solid frame 34 and play the effect of fixing frame 22 and uide bushing 35 together, the both sides of seat 24 all extend and have slider 33, seat 24 and slider 33 integrated into one piece, the inside both sides of frame 22 have run through and have been seted up spout 32, slider 33 laminating is in the inside of spout 32, the rear end fixed mounting of seat 24 has spring body 23, spout 32 and slider 33 play the effect that supplies seat 24 to slide in frame 22 in the level, the tip of spring body 23 and the inside rear end fixed connection of frame 22, spring body 23 play to promote seat 24, let seat 24 antedisplacement.
The clamping piece is including rotating respectively installing two fixed frames 11 in the upper end of two lug 19, two fixed frames 11 are the symmetry setting, the equal linear array fixed mounting in opposite ends of two fixed frames 11 has a plurality of kicking blocks 12, fixed frame 11 plays the effect of bearing the weight of the both sides of flexible screen body 7, two fixed frames 11 all are the setting of drawing out, the inside elastic mounting of fixed frame 11 has presses seat 13, press seat 13 plays the effect of pressing both sides centre gripping in fixed frame 11 with flexible screen body 7, press seat 13's shape is the character of's cut-in's shape to this can increase with the contact surface of flexible screen body 7.
The front end symmetry fixed mounting of pressure seat 13 has two guide posts 14, the guide post 14 is laminated from the preceding terminal surface laminating of fixed frame 11 and is run through, the coaxial clamping ring 17 that inlays of surface of guide post 14, clamping ring 17 laminating is in the front end of fixed frame 11, the ring body 15 is installed in the surface laminating of guide post 14, ring body 15 plays the effect of propping up compression spring 16, ring body 15 is located the place ahead of clamping ring 17, the outside winding of guide post 14 has compression spring 16, compression spring 16 plays the effect of promoting compression ring 17, and then drive the guide post 14 on the clamping ring 17 and move backward, make the pressure seat 13 on the guide post 14 can compress tightly in the both sides of flexible screen body 7, compression spring 16 is located between the front end of clamping ring 17 and the rear end of ring body 15, ring body 15 is fixed in on the fixed frame 11.
A pull frame 10 is connected between the end parts of the two guide posts 14, the pull frame 10 plays a role in simultaneously pulling the two guide posts 14, and the guide posts 14 and the compression ring 17 are integrally formed.
During testing, the pull frame 10 on the fixed frame 11 is directly pulled to further drive the guide posts 14 pushed by the compression springs 16 to move forward, at the moment, the compression seat 13 at the end part of the guide posts 14 moves forward synchronously in the fixed frame 11, meanwhile, the compression springs 16 contract and deform, then the edge of the flexible screen body 7 is inserted into the fixed frame 11 and the pull frame 10 is loosened, so that the compression springs 16 can restore deformation to push the guide posts 14, the compression seat 13 can be reset to compress on the flexible screen body 7 to clamp two sides of the flexible screen body 7 in the two fixed frames 11, at the moment, the guide sheets 8 are attached to the middle parts of the rear ends of the flexible screen body 7, at the same time, the spring bodies 23 are in a contracted state and generate reaction force to push the guide sheets 8, so that the guide sheets 8 can be further attached to the rear ends of the flexible screen body 7, and then the threaded columns 28 are rotated, the screw ring 29 screwed on the screw column 28 can move, at the moment, the concave frame 31 is jointed on the prism 30 to slide so as to assist the screw ring 29 to move, the pressing plate 9 on the screw ring 29 can be pressed on the flexible screen body 7, the guide piece 8 and the bending area of the flexible screen body 7 can be tightly jointed, then the heating rod 26 works, the heat generated by the heating rod 26 is absorbed by the guide sleeve 25 and is conducted to the guide piece 8, the heat is conducted to the middle part of the flexible screen body 7 by the guide piece 8, the bending area of the flexible screen body 7 can be in a heating state, then the servo motor 4 works to drive the threaded rod 3 to rotate, the two screw sleeves 18 screwed on the threaded rod 3 can move in opposite directions, at the moment, the limiting sleeve 21 is jointed on the limiting rod 20 to slide so as to assist the screw sleeve 18 to move, the two fixed frames 11 are driven to move in opposite directions by the oppositely moving screw sleeve 18, the two sides of the flexible screen body 7 are pushed by means of the top blocks 12 on the two fixing frames 11, so that the flexible screen body 7 is driven to bend under the action of the pushing forces on the two sides, and at the moment, the fixing frames 11 rotate on the first lugs 19 to adapt to bending movement of the flexible screen body 7, so that bending test is performed.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a flexible screen bending test device, includes base (1), its characterized in that: the novel solar heating device is characterized in that a bending piece is arranged at the rear part of the upper end of the base (1), a heating rod (26) is vertically arranged in the middle of the upper end of the bending piece, a guide sleeve (25) is fixedly arranged on the outer surface of the heating rod (26), guide vanes (8) are fixedly arranged at the front ends of the guide vanes (25), a plurality of fixing seats (27) are embedded in a linear array at the lower ends of the guide vanes (8), threaded columns (28) are rotationally embedded at the front ends of the fixing seats (27), a threaded ring (29) is screwed on the outer surface of the threaded column (28), a pressing plate (9) is fixedly arranged at the upper end of the threaded ring (29), a concave frame (31) is extended at the lower end of the threaded ring (29), prisms (30) are fixedly arranged at the front ends of the fixing seats (27), and the prisms (30) are attached and penetrated in the concave frame (31).
The bending piece comprises a stand (2) fixedly arranged at the central position of the rear part of the upper end of the base (1), a threaded rod (3) is inserted through rotation of the side face of the stand (2), two thread sleeves (18) are symmetrically screwed on the outer surface of the threaded rod (3), threads at the two ends of the threaded rod (3) are symmetrically arranged, two first lugs (19) are respectively extended from the front ends of the two thread sleeves (18), and clamping pieces are arranged at the upper ends of the two first lugs (19);
the side of the stand (2) is penetrated and inlaid with a limiting rod (20), the limiting rod (20) is positioned under the threaded rod (3), the outer surface of the limiting rod (20) is attached and provided with a limiting sleeve (21), the upper end of the limiting sleeve (21) is fixedly connected with the lower end of the threaded sleeve (18), the front end of the stand (2) is fixedly provided with a guide rod (6), the guide rod (6) is positioned in front of the middle of the threaded rod (3), the front end of the guide rod (6) is fixedly connected with the base (1), the outer surface of the guide rod (6) is attached and provided with a guide sleeve (35), two sides of the guide sleeve (35) are respectively provided with a second lug (36), the guide sleeve (35) and the second lug (36) are integrally formed, the upper end of the second lug (36) is rotationally connected with a connecting rod (37), and the end of the connecting rod (37) is rotationally connected with the first lug (19), and the connecting rod (37) is obliquely arranged backwards.
The end coaxial fixed mounting of threaded rod (3) has servo motor (4), the lower extreme of servo motor (4) has motor frame (5), the tip and the base (1) fixed connection of motor frame (5), the upper end of uide bushing (35) is connected with bears frame (22), the inside laminating elastic mounting of bearing frame (22) has bearing seat (24), heating rod (26) run through and inlay in the upper end of bearing seat (24).
2. A flexible screen bending test apparatus as defined in claim 1, wherein: the utility model discloses a bearing frame, including bearing frame (22), fixed frame (34) is linked to both sides fixed mounting, the lower extreme and the uide bushing (35) fixed connection of linking fixed frame (34), both sides of bearing seat (24) all extend have slider (33), bearing seat (24) and slider (33) integrated into one piece, spout (32) have been seted up in the inside both sides of bearing frame (22) run through, slider (33) laminating in the inside of spout (32), the rear end fixed mounting of bearing seat (24) has spring body (23), the tip of spring body (23) is fixed connection with the inside rear end of bearing frame (22).
3. A flexible screen bending test apparatus as defined in claim 1, wherein: the clamping piece comprises two fixing frames (11) which are respectively installed at the upper ends of two first lugs (19) in a rotating mode, the two fixing frames (11) are symmetrically arranged, a plurality of jacking blocks (12) are fixedly installed at opposite ends of the fixing frames (11) in a linear array mode, the two fixing frames (11) are all hollowed, a pressing seat (13) is installed in the fixing frames (11) in an elastic mode, and the shape of the pressing seat (13) is in a concave shape.
4. A flexible screen bending test apparatus as defined in claim 3, wherein: the front end symmetry fixed mounting of seat (13) presses has two guide posts (14), guide post (14) are laminated from the preceding terminal surface of fixed frame (11) and are run through, the coaxial clamping ring (17) that has inlayed of surface of guide post (14), clamping ring (17) laminate in the front end of fixed frame (11), ring body (15) are installed in the surface laminating of guide post (14), ring body (15) are located the place ahead of clamping ring (17), the outside winding of guide post (14) has hold-down spring (16), hold-down spring (16) are located between the front end of clamping ring (17) and the rear end of ring body (15), ring body (15) are fixed in on fixed frame (11).
5. The flexible screen bending test device of claim 4, wherein: a pull frame (10) is connected between the end parts of the two guide posts (14), and the guide posts (14) and the compression ring (17) are integrally formed.
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