CN107690564A - Bend testing apparatus - Google Patents
Bend testing apparatus Download PDFInfo
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- CN107690564A CN107690564A CN201680031215.7A CN201680031215A CN107690564A CN 107690564 A CN107690564 A CN 107690564A CN 201680031215 A CN201680031215 A CN 201680031215A CN 107690564 A CN107690564 A CN 107690564A
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- roller bearing
- testing apparatus
- bend
- carrying platform
- rotating shaft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/213—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures for measuring radius of curvature
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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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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of bend testing apparatus (100) is used to test flexible device (10), the bend testing apparatus (100) includes being used for the carrying platform (20) for carrying the flexible device (10), roller bearing (30) and bending mechanism (40), the roller bearing (30) is arranged on above the carrying platform (20) and for the flexible device (10) to be pressed in into the carrying platform (20), the bending mechanism (40) connects the carrying platform (20) and the bending of the outer peripheral face for bending the carrying platform (20) to drive the flexible device (10) along the roller bearing (30).The crooked test of flexible device (10) can be achieved in the bending mechanism (40) of the bend testing apparatus, simultaneously, the supporting-point that roller bearing (30) can be bent as flexible device (10), the radius of curvature of flexible device bend can be ensured in crooked test, so as to ensure the accuracy of test, the structure of bend testing apparatus (100) is relatively simple simultaneously, can and more convenient bend flexible device by the combination of bending mechanism (40) and roller bearing (30).
Description
Technical field
The present invention relates to bending, technical field of measurement and test, more particularly, to a kind of bend testing apparatus.
Background technology
In the manufacturing process of flexible device, crooked test need to be carried out to flexible device, therefore, how provide a kind of test
Bend testing apparatus that is accurate and more easily bending flexible device turns into the problem of to be solved.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention needs offer one
Kind bend testing apparatus.
The bend testing apparatus of embodiment of the present invention is used to test flexible device, and the bend testing apparatus includes being used for
The carrying platform, roller bearing and bending mechanism of the flexible device are carried, the roller bearing is arranged on above the carrying platform and is used in combination
It is pressed in by the flexible device on the carrying platform, the bending mechanism connects the carrying platform and described for bending
Carrying platform is to drive outer peripheral face of the flexible device along the roller bearing to bend.
In the bend testing apparatus of embodiment of the present invention, bending mechanism can realize the crooked test of flexible device, together
When, roller bearing can be as the supporting-point of flexible device bend, in this way, the curvature of flexible device bend can be ensured in crooked test
Radius, so as to ensure the accuracy of test, while the structure of bend testing apparatus is relatively simple, can pass through bending mechanism and roller bearing
With reference to and more convenient bend flexible device.
In one embodiment, the carrying platform includes two rigid platfors and a flexibility platform, described two
Rigid platfor is connected to the opposite both ends of the flexibility platform, and the roller bearing is arranged on above the flexibility platform, described
Two rigid platfors are collectively forming the load plane for carrying the flexible device, the flexibility platform with the flexibility platform
As the bent portion of the carrying platform, when the bending mechanism bends the flexible device, the roller bearing is used for institute
Flexible device is stated to be pressed on the flexibility platform.
In one embodiment, the bending mechanism includes rotating shaft, bend arm and linking arm, the linking arm and described
Rotating shaft is connected to the opposite both ends of the bend arm, and one end of the carrying platform connects the linking arm, the rotating shaft
Positioned at the lower section of the carrying platform, the other end of the carrying platform is fixed, the center of circle of the roller bearing and the circle of the rotating shaft
The heart is separated by setting.
In one embodiment, the bend testing apparatus includes Flexible Connector, and the Flexible Connector connects institute
State one end of linking arm and the carrying platform.
In one embodiment, the position of at least one axle in the roller bearing and the rotating shaft be it is adjustable so that
The relative bearing in the center of circle of the roller bearing and the center of circle of the rotating shaft is adjustable.
In one embodiment, the rotating shaft includes spaced two sub- rotating shafts, and described two sub- rotating shafts are concentric
Set and be located at the both sides of the carrying platform respectively.
In one embodiment, the rotating shaft is single rotating shaft, and the length of the rotating shaft is more than the length of the roller bearing
Degree.
In one embodiment, the rotating shaft be arranged in parallel with the roller bearing.
In one embodiment, the quantity of the bend arm is two, described two bend arms, the linking arm and institute
Rotating shaft is stated to connect to form the bending mechanism in the shape of a frame.
In one embodiment, length direction of the flexible device along the carrying platform is set, the flexible device
The area of part is less than the area of the load plane.
In one embodiment, the roller bearing and the rotating shaft is each perpendicular to the length direction of the carrying platform and set
Put, the length of the roller bearing is more than the width of the flexible device.
In one embodiment, the bend testing apparatus includes drive device, and the drive device connection is described curved
Bent mechanism simultaneously is used to drive the bending mechanism to bend the carrying platform.
In one embodiment, the roller bearing is removably arranged on above the carrying platform with according to different surveys
Examination needs and changes the roller bearing of different materials and different radii.
The additional aspect and advantage of embodiment of the present invention will be set forth in part in the description, partly by from following
Become obvious in description, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention is from combining in description of the accompanying drawings below to embodiment by change
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic perspective view of the bend testing apparatus of embodiment of the present invention.
Fig. 2 is the enlarged diagram of Fig. 1 part of bend testing apparatus I.
Fig. 3 is another schematic perspective view of the bend testing apparatus of embodiment of the present invention.
Fig. 4 is the floor map of the bend testing apparatus of embodiment of the present invention.
Fig. 5 is another floor map of the bend testing apparatus of embodiment of the present invention.
Fig. 6 is the stress changing curve in the bend testing apparatus test process of embodiment of the present invention.
Fig. 7 is another stress changing curve in the bend testing apparatus test process of embodiment of the present invention.
Fig. 8 is the structural representation of the bend testing apparatus of embodiment of the present invention.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, and it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.
Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more feature.
In description of the invention, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected.Can
To be mechanical connection or electrical connection.Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
Also referring to Fig. 1-Fig. 7, the bend testing apparatus 100 of embodiment of the present invention is used to test flexible device 10.
Bend testing apparatus 100 includes being used for the carrying platform 20, roller bearing 30 and bending mechanism 40 for carrying flexible device 10.Roller bearing 30 is set
Put above carrying platform 20 and for flexible device 10 to be pressed in into carrying platform 20.Bending mechanism 40 connects carrying platform 20
And the bending of the outer peripheral face for bending carrying platform 20 to drive flexible device 10 along roller bearing 30.
In the bend testing apparatus 100 of embodiment of the present invention, bending mechanism 40 can realize the bending of flexible device 10
Test, meanwhile, the supporting-point that roller bearing 30 can be bent as flexible device 10, in this way, flexible device can be ensured in crooked test
The radius of curvature that part 10 is bent, so as to ensure the accuracy of test, while the structure of bend testing apparatus 100 is relatively simple, can
Flexible device 10 and more convenient is bent by the combination of bending mechanism 40 and roller bearing 30.
In embodiments of the present invention, bend testing apparatus 100 is applicable to different types of flexible device 10, such as soft
Property device 10 can be Organic Light Emitting Diode (OLED) display screen.Bend testing apparatus 100 can be used for test flexible device 10
Mechanical performance, such as bendable curvature and resistance to bend(ing), and the quality of flexible device 10 by test result, can be determined.Certainly, it is soft
Property device 10 or other flexible devices, such as flexible touch screen, flexible PCB.
Specifically, bending mechanism 40 can rotate relative to roller bearing 30 between first position and the second place, work as bending machine
When structure 40 is in first position, flexible device 10 is carried on carrying platform 20 and is in its fully unfolded position, and now carrying is flat
Platform 20 and flexible device 10 are horizontal substantially, and this is pretest condition, as shown in Fig. 1 and 4, when bending mechanism 40 is by
When one position turns to the second place, bending mechanism 40 drives carrying platform 20 to bend to drive flexible device 10 along roller bearing 30
Outer peripheral face is bent, and now, carrying platform 20 and flexible screen 10 are in case of bending, as shown in Fig. 3 and 5.So just complete
Once to the crooked test of flexible device 10.In this way, multiple crooked test is may be repeated, to reduce test error, and can be true
Influence of the flexible device 10 to the reliability of flexible device 10 after multiple crooked test is determined, so as to obtain accurately test knot
Fruit.
It should be noted that the degree of outer peripheral face bending of the flexible device 10 along roller bearing 30 can be by adjusting bending mechanism 40
The distance that is rotated relative to roller bearing 30 between first position and the second place is realized.Also, the dimension adjustable of roller bearing 30,
So can be by the test condition that changes the size of roller bearing 30 to be applicable different, so as to increase being applicable for bend testing apparatus 100
Scope.
In one embodiment, roller bearing 30 is removably to be arranged on the top of carrying platform 20 with according to different test need
Want and change the roller bearing of different materials and different radii.
In this way, it can be needed according to different tests and select the roller bearing 30 of unlike material and different radii, to be applicable difference
Test environment, so as to increase the scope of application of bend testing apparatus 100.
In one example, the size range of the radius of roller bearing 30 is 0.5mm -10mm, and the material of roller bearing 30 can be plastics
Or metal, such as poly- carbonic acid resin or alloy material etc..
It should be noted that the material of roller bearing 30 is not limited in the material in embodiment of the present invention.
In one embodiment, carrying platform 20 includes two rigid platfors 21 and a flexibility platform 22.Two just
It is connected to the opposite both ends of flexibility platform 22 for mild-natured 21.Roller bearing 30 is arranged on the top of flexibility platform 22.Two rigidity are put down
Platform 21 is collectively forming the load plane 20a for carrying flexible device 10 with flexibility platform 22.Flexibility platform 22 is flat as carrying
The bent portion of platform 20, when bending mechanism 40 bends flexible device 10, roller bearing 30 is used to flexible device 10 being pressed in flexible put down
On platform 20.
In this way, flexible device 10 and the flexible contact of flexibility platform 22, flexible when bending mechanism 40 bends carrying platform 20
Platform 22 and flexible device 10 are bent along the outer peripheral face of roller bearing 30 jointly, because flexible device 10 and the flexibility of flexibility platform 22 connect
Touch, so as to reduce the interaction force between flexible device 10 and the flexibility of flexibility platform 22, also reduce flexible device 10 and rolling
Frictional force between axle 30, surface damage is reduced, and then the error in test process can be reduced, improve bend testing apparatus 100
The degree of accuracy of test.
In one embodiment, flexible device 10 is in circular arc bending, and flexibility platform 22 is in circular arc bending.Flexible device
The bending direction of part 10 is identical with the bending direction of flexibility platform 22.
In this way, the bending direction consistent with flexible device 10 of flexibility platform 22 can ensure flexible device 10 and flexibility platform 22
Direction it is consistent, so as to ensure one of flexibility platform 22 and the Impact direction of flexible device 10 in the BENDING PROCESS of flexible device 10
Cause, so as to ensure the accuracy of test.
In one embodiment, flexibility platform 22 is made up of flexible material, such as silica gel.In this way, flexibility platform 22 can
Bend and there is preferable pliability and bending resistance.
In one embodiment, bending mechanism 40 includes rotating shaft 41, bend arm 42 and linking arm 43.Linking arm 43 and turn
Axle 41 is connected to the opposite both ends of bend arm 42.One end connection linking arm 43 of carrying platform 20, rotating shaft 41 is positioned at carrying
The lower section of platform 20.The other end of carrying platform 20 is fixed.The center of circle 31 of roller bearing 30 is separated by setting with the center of circle 411 of rotating shaft 41.
In this way, rotating shaft 41 is located at the both sides up and down of carrying platform 20 with roller bearing 30 respectively, such bending mechanism 40 can pass through
The outer peripheral face bending that drive connection arm 43 and bend arm 42 rotate to drive flexible device 10 along roller bearing 30 relative to rotating shaft 41, and
And the type of drive that bending mechanism 40 rotates is more laborsaving, simultaneously as the center of circle 31 of roller bearing 30 and the phase of the center of circle 411 of rotating shaft 41
Every setting, the roller bearing 30 in rotation process can be so avoided to influence each other with rotating shaft 41 and cause rotating shaft 41 to be applied to flexible device
Distribution of forces on 10 is uneven, so as to influence the accuracy of test result.
It is pointed out that " top ", " lower section " are the position shapes under the normal operating condition of bend testing apparatus 100
State, such as the location status of bend testing apparatus 100 shown in Fig. 4 and Fig. 5.
In one embodiment, bend testing apparatus 100 includes Flexible Connector 50.The connection connection of Flexible Connector 50
One end of arm 43 and carrying platform 20.
In this way, when drive connection arm 43 and bend arm 42 rotate relative to rotating shaft 41, the available buffer of Flexible Connector 50 by
Power, so as to ensure stationarity that linking arm 43 and bend arm 42 rotate relative to rotating shaft 41, and then ensure flexible device 10 along rolling
The stationarity of the outer peripheral face bending of axle 30.
Specifically, flexible device 10 is carried on carrying platform 20 as tested sample, before testing, carrying platform 20
In horizontality, Flexible Connector 50 is in the state that is stretched.When bending mechanism 40, which bends carrying platform 20, to be tested,
Flexible Connector 50 maintains identical extended state in rotation process, so as to ensure linking arm 43 and bend arm 42 relative to turn
The stationarity that axle 41 rotates, it is ensured that tested sample can be fully bent outside roller bearing 30, ensure bending curvature, reduced tested
Test agent diametrically pressure.The power output of the dynamical system of bending mechanism 40 can be reduced simultaneously, keep power defeated
What is gone out is gentle.
In embodiments of the present invention, the center of circle 31 of roller bearing 30 is separated by setting with the center of circle 411 of rotating shaft 41 and can both ensured
The service life of Flexible Connector 50, radial pressure and friction can be reduced again to damage caused by tested sample, improves and surveys
The accuracy of test result.
In one embodiment, Flexible Connector 50 is spring.In this way, Flexible Connector 50 is yielding, elastic performance
Preferably.
In one embodiment, the position of roller bearing 30 and at least one axle in rotating shaft 41 is adjustable so that roller bearing
The relative bearing in 30 center of circle and the center of circle of rotating shaft 41 is adjustable.
In this way, it can so be reduced by adjusting the position of at least one axle in roller bearing 30 or rotating shaft 41 in test process
The stress variation of Flexible Connector 50, and make it that the stress variation of Flexible Connector 50 is more uniform in test process, and then
Influence of the radial stress to flexible device 10 in test process can be reduced, so as to can both ensure the use longevity of Flexible Connector 50
Life, can improve the accuracy of test result, the damage for avoiding flexible device 10 from being brought by radial pressure, decrease soft again
Friction between property device 10 and roller bearing 30.The accuracy of test can be ensured to greatest extent.
For example, in the case where setting Flexible Connector, if roller bearing 30 and the position of rotating shaft 41 are non-adjustable, it may appear that as schemed
Situation shown in 6, specifically, in figure 6, curve a1 represents the motion of carrying platform 20 and flexible device 10 in test process
Track, curve b1 represent stress changing curve of the Flexible Connector in test process.
In test process, Flexible Connector 50 gradually tapers up so that Flexible Connector 50 adds the rotation of carrying platform 20
Turn radius reduction, the stress of Flexible Connector 50 is reduced, and the uneven change of the stress " pre-large post-small " of Flexible Connector 50 occurs
Change phenomenon, the life-span of Flexible Connector 50 and the test accuracy of flexible device can be influenceed
When at least one axle is adjustable in roller bearing 30 and rotating shaft 41, for example, the position of roller bearing 30 can be kept constant same,
The position of rotating shaft 41 is adjusted, to adjust the relative bearing in the center of circle 31 of roller bearing 30 and the center of circle 411 of rotating shaft 41 so that testing
Cheng Zhong, the stress variation of Flexible Connector 50 is more uniform, specifically, please join Fig. 7, curve a2 is carrying platform 20 and flexible device
10 movement locus in test process, curve b2 represent stress variation of the Flexible Connector 50 in test process, can by Fig. 7
Know, after the relative bearing adjustment in two centers of circle, in test process, the stress variation of Flexible Connector 50 is more uniform, will not go out
The situation of Flexible Connector 50 " tight at first but afterwards loose " shown in Fig. 6 again, and then ensure that the life-span of Flexible Connector 50 and flexible device
The accuracy of the test result of part 10.
In one embodiment, Fig. 1, Fig. 2 and Fig. 3 are referred to, rotating shaft 41 includes spaced two sub- rotating shafts
412.Two sub- rotating shafts 412 are arranged concentrically and are located at the both sides of carrying platform 20 respectively.
In this way, influencing each other between roller bearing 30 and rotating shaft 41 is smaller, the needs according to test move roller bearing 30 and/
Or rotating shaft 41 position when, will not clash.
In one embodiment, Fig. 8 please be join, rotating shaft 41 is single rotating shaft, and the length of rotating shaft 41 is more than roller bearing 30
Length.
In this way, structure is relatively simple, and when outer peripheral face of the flexible device 10 along roller bearing 30 is bent, flexible device 10 is each
Part stress is more uniform, so as to ensure that the uniformity of state that each several part of flexible device 10 bends along roller bearing 30.
In one embodiment, please join Fig. 8, the quantity of bend arm 42 is two, two bend arms 42, linking arm 43 and
The connection of rotating shaft 41 forms bending mechanism 40 in the shape of a frame.
In this way, bending mechanism 40 in the shape of a frame may be such that linking arm 43 and bend arm 42 more smoothly relative to 41 turns of rotating shaft
It is dynamic, so as to ensure the stability of the test of bend testing apparatus 100.
In one embodiment, rotating shaft 41 be arranged in parallel with roller bearing 30.
In this way, outer peripheral face bending direction of the flexible device 10 along roller bearing 30 and bend arm 42 and linking arm 43 are relative to rotating shaft
41 directions rotated are basically identical, this ensure that the accuracy of test.
In one embodiment, length direction of the flexible device 10 along carrying platform 20 is set, the face of flexible device 10
Area of the product less than the load plane 20a of carrying platform 10.
So, it is ensured that each several part uniform stressed when outer peripheral face of the flexible device 10 along roller bearing 30 is bent.
In one embodiment, roller bearing 30 and rotating shaft 41 are each perpendicular to the length direction setting of carrying platform 20, roller bearing
30 length is more than the width of flexible device 10.
So, it is ensured that uniform force when outer peripheral face of the flexible device 10 along roller bearing 30 is bent.
In one embodiment, bend testing apparatus 100 includes drive device 60.Drive device 60 connects bending mechanism
40 and for driving bending mechanism 40 to be rotated relative to roller bearing 30 to bend carrying platform 20.
In this way, bend testing apparatus 100 is driven by drive device 60, driving is more convenient, convenient test.
Specifically, in embodiments of the present invention, drive device 60 is rotated by drive shaft 41 to drive linking arm 43
And bend arm 42 rotates relative to drive device 60, so that flexibility platform 22 and flexible device 10 are simultaneously along the outer of roller bearing 30
Side face is bent.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Sign is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only example, and
And purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, between itself not indicating discussed various embodiments and/or setting
Relation.In addition, the invention provides various specific techniques and material examples, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means to combine embodiment or example describe it is specific
Feature, structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, it is right
The schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case of not departing from the principle and objective of the present invention, replace and become
Type, the scope of the present invention are limited by claim and its equivalent.
Claims (13)
1. a kind of bend testing apparatus, for testing flexible device, it is characterised in that the bend testing apparatus includes：
For carrying the carrying platform of the flexible device；
Roller bearing, the roller bearing are arranged on above the carrying platform and for the flexible device to be pressed in into the carrying platform
On；
Bending mechanism, the bending mechanism connect the carrying platform and for bending the carrying platform to drive the flexibility
Outer peripheral face bending of the device along the roller bearing.
2. bend testing apparatus as claimed in claim 1, it is characterised in that the carrying platform include two rigid platfors and
One flexibility platform, described two rigid platfors are connected to the opposite both ends of the flexibility platform, and the roller bearing is arranged on
Above the flexibility platform, described two rigid platfors are collectively forming for carrying the flexible device with the flexibility platform
Load plane, bent portion of the flexibility platform as the carrying platform, the flexible device is bent in the bending mechanism
During part, the roller bearing is used to the flexible device being pressed in the flexibility platform.
3. bend testing apparatus as claimed in claim 1, it is characterised in that the bending mechanism include rotating shaft, bend arm and
Linking arm, the linking arm and the rotating shaft are connected to the opposite both ends of the bend arm, one end of the carrying platform
The linking arm is connected, the rotating shaft is located at the lower section of the carrying platform, and the other end of the carrying platform is fixed；
The center of circle of the roller bearing and the center of circle of the rotating shaft are separated by setting.
4. bend testing apparatus as claimed in claim 3, it is characterised in that the bend testing apparatus includes elastic connection
Part, the Flexible Connector connect one end of the linking arm and the carrying platform.
5. bend testing apparatus as claimed in claim 4, it is characterised in that the roller bearing with it is at least one in the rotating shaft
The position of axle is adjustable so that the relative bearing in the center of circle of the roller bearing and the center of circle of the rotating shaft is adjustable.
6. bend testing apparatus as claimed in claim 4, it is characterised in that the rotating shaft turns including spaced two sons
Axle, described two sub- rotating shafts are arranged concentrically and are located at the both sides of the carrying platform respectively.
7. bend testing apparatus as claimed in claim 3, it is characterised in that the rotating shaft is single rotating shaft, the rotating shaft
Length be more than the roller bearing length.
8. bend testing apparatus as claimed in claim 3, it is characterised in that the rotating shaft be arranged in parallel with the roller bearing.
9. bend testing apparatus as claimed in claim 3, it is characterised in that the quantity of the bend arm be two, described two
Individual bend arm, the linking arm and the rotating shaft connect to form the bending mechanism in the shape of a frame.
10. bend testing apparatus as claimed in claim 2, it is characterised in that the flexible device is along the carrying platform
Length direction is set, and the area of the flexible device is less than the area of the load plane.
11. bend testing apparatus as claimed in claim 3, it is characterised in that the roller bearing and the rotating shaft are each perpendicular to institute
The length direction for stating carrying platform is set, and the length of the roller bearing is more than the width of the flexible device.
12. bend testing apparatus as claimed in claim 1, it is characterised in that the bend testing apparatus includes drive device,
The drive device connects the bending mechanism and for driving the bending mechanism to bend the carrying platform.
13. bend testing apparatus as claimed in claim 1, it is characterised in that the roller bearing be removably be arranged on it is described
Above carrying platform the roller bearing of different materials and different radii is changed to be needed according to different tests.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/105364 WO2018086043A1 (en) | 2016-11-10 | 2016-11-10 | Bending test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107690564A true CN107690564A (en) | 2018-02-13 |
Family
ID=61152339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680031215.7A Pending CN107690564A (en) | 2016-11-10 | 2016-11-10 | Bend testing apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107690564A (en) |
| WO (1) | WO2018086043A1 (en) |
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| CN113049938A (en) * | 2019-12-27 | 2021-06-29 | 广东生益科技股份有限公司 | Bending performance testing device and method for semi-flexible or flexible circuit board |
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| WO2018086043A1 (en) | 2018-05-17 |
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