CN107976372B - Strength testing device - Google Patents
Strength testing device Download PDFInfo
- Publication number
- CN107976372B CN107976372B CN201711113527.5A CN201711113527A CN107976372B CN 107976372 B CN107976372 B CN 107976372B CN 201711113527 A CN201711113527 A CN 201711113527A CN 107976372 B CN107976372 B CN 107976372B
- Authority
- CN
- China
- Prior art keywords
- adjusting plate
- positioning point
- strength testing
- adjusting
- support body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
-
- 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
-
- 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
-
- 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
- G01N2203/0032—Generation of the force using mechanical means
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a strength testing device, comprising: a base station; the hinge part is arranged on the base station and comprises a pressure rod; the first support piece comprises a first support body, a first adjusting plate arranged on the first support body in a sliding mode and a first adjusting part connected with the first support body and the first adjusting plate; the second support piece comprises a second adjusting plate and a second adjusting part which drives the second adjusting plate to move and is arranged on the base station; the first support body is rotatably arranged on the hinge part, the first adjusting plate and the second adjusting plate are positioned on two opposite sides of the hinge part, and the first support body is turned relative to the second adjusting plate by taking the pressing rod as a shaft; the surfaces of the first adjusting plate and the second adjusting plate are provided with a first positioning point and a second positioning point, and the pressing rod is positioned between the first positioning point and the second positioning point; the first adjusting part adjusts the first adjusting plate to move away from the pressure rod so as to adjust the displacement of the first positioning point relative to the second positioning point, and the second adjusting part adjusts the second adjusting plate to move away from the pressure rod so as to adjust the displacement of the second positioning point relative to the first positioning point.
Description
Technical Field
The invention relates to the technical field of film bending strength testing, in particular to a strength testing device.
Background
With the continuous progress of science and technology, the Organic Light Emitting Diode (OLED) has the characteristics of high response speed, high brightness, wide viewing angle and high contrast, so that the OLED has been rapidly developed under the promotion of a strong application background, and has reached the requirements of practical application in terms of brightness, luminous efficiency, service life and the like. OLEDs also require consideration of dynamic bending life to examine their ability to resist local structural changes and internal defect development under alternating stress and strain.
In the current film dynamic bending life tester, the tester adopts a fixed plate and a movable plate which are connected in a rotating way to position a sample, and the movable plate is driven to drive the sample to be repeatedly opened and closed relative to the fixed plate so as to realize bending. In the bending strength test process, the sample can be loosened in the multiple bending processes, and the final bending strength test result of the sample is influenced.
Disclosure of Invention
The invention aims to provide a strength testing device, which solves the problems of relaxation and unbalanced stress of a sample caused by long-time bending.
The strength testing device is used for testing the bending strength of the film, and comprises:
a base station;
the hinge part is arranged on the base and comprises a pressure rod;
the first support piece comprises a first support body, a first adjusting plate and a first adjusting part, wherein the first adjusting plate is slidably arranged on the first support body, and the first adjusting part is connected with the first support body and the first adjusting plate;
the second support piece comprises a second adjusting plate and a second adjusting part which is arranged on the base station and drives the second adjusting plate to move;
the first support body is rotatably arranged on the hinge part, the first adjusting plate and the second adjusting plate are positioned on two opposite sides of the hinge part, and the first support body is turned relative to the second adjusting plate by taking the pressing rod as a shaft;
the surface of the first adjusting plate is provided with a first positioning point, the surface of the second adjusting plate is provided with a second positioning point, and the pressing rod is positioned between the first positioning point and the second positioning point;
the first adjusting portion adjusts the first adjusting plate to move away from the pressing rod so as to adjust the displacement of the first positioning point relative to the second positioning point, and the second adjusting portion adjusts the second adjusting plate to move away from the pressing rod so as to adjust the displacement of the second positioning point relative to the first positioning point.
Wherein, the depression bar can be dismantled the change according to required upset angle radius.
Wherein the first regulating portion includes:
the first sliding rail is positioned on the first supporting body, and the first adjusting plate slides on the first sliding rail;
extension spring, extension spring is located first supporter is kept away from the end connection of depression bar first regulating plate is in with control first regulating plate is in sliding displacement on the first slide rail. .
Wherein the second regulating portion includes:
the sliding block is fixedly connected with the second adjusting plate;
the second sliding rail is arranged on the base station, and the sliding block is arranged on the second sliding rail in a sliding manner;
the handle is used for regulating and controlling the sliding of the sliding block so as to adjust the position of the second adjusting plate.
The surface of the first adjusting plate is provided with a first fixing strip, and the first fixing strip is used for fixing one end of a sample on the first positioning point.
And a second fixing strip is arranged on the surface of the second adjusting plate and used for fixing the other end of the sample on the second positioning point.
The strength testing device comprises a driving mechanism, wherein the driving mechanism is arranged in the base station and is used for driving the first supporting body to rotate repeatedly from 0 degree to 180 degrees relative to the second adjusting plate.
The strength testing device comprises a conveying mechanism, and after the driving mechanism drives the first supporting body to rotate repeatedly from 0 degree to 180 degrees relative to the second adjusting plate.
Wherein, intensity testing arrangement includes emergency button, start button and stop button, emergency button, start button and stop button locate on the base station, start button is used for starting intensity testing arrangement, emergency button is used for the emergency stop intensity testing arrangement, stop button is used for stopping intensity testing arrangement.
Wherein, the pressure lever is made of amorphous metal.
The strength testing device is page turning type dynamic bending equipment, the sample is turned over at an angle of 0-180 degrees, and the automatic alignment compensation device and the manual alignment compensation device are respectively arranged on the upper supporting plate and the lower supporting plate, so that the problems of relaxation and unbalanced stress of the sample due to long-time bending are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a bending resistance test device of the present invention.
Fig. 2 is a front view of the bend resistance testing device of fig. 1.
Fig. 3 is a top view of the bend resistance test apparatus of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a strength testing apparatus 100 for testing the bending strength of a sample. The strength testing apparatus 100 includes: the base 23, locate the articulated portion of base 23, first support piece and second support piece.
The sample comprises a sheet such as paper, plastic sheet or film. In this embodiment, the sample is a flexible display screen, the flexible display screen includes a display panel 5 and a flexible circuit board 18, and the display panel 5 and the flexible circuit board 18 are electrically connected to each other.
The strength testing device 100 comprises an emergency button 15, a start button 16 and a stop button 17, wherein the emergency button 15, the start button 16 and the stop button 17 are arranged on the base platform 23, the start button 16 and the stop button 17 control the start and stop of the strength testing device 100 so as to control the start and stop of the strength testing device 100, and when an emergency problem occurs in the operation process of the strength testing device 100, the emergency button 15 can emergently stop the strength testing device 100. The base 23 comprises a transmission area 6 and a drive area 7.
The hinge portion comprises a press rod 20, two oppositely arranged press rod brackets 8 and two oppositely arranged hinge seats 19. The compression bar 20 is made of amorphous metal and has good rigidity. The pressure lever 20 is arranged in a detachable mode, and can be detached and replaced according to different required turning angle radiuses. The compression bar support 8 and the hinge base 19 support the compression bar 20, and specifically, two ends of the compression bar 20 penetrate through the compression bar support 8 and are rotatably connected with the hinge base 19.
The first support member comprises a first support body 1, a first adjusting plate 24 slidably mounted on the first support body 1, and a first adjusting portion connecting the first support body 1 and the first adjusting plate 24. Specifically, the first support body 1 supports the first regulating plate 24, and the first regulating plate 24 is used for placing a sample to be tested.
The first adjustment part includes first slide rails 2 and 4 and an extension spring 3. First slide rail 2 and first slide rail 4 are located on first supporter 1, specifically first slide rail 2 and first slide rail 4 locate the relative both sides in surface of first supporter 1. The first adjusting plate 24 is slidably mounted on the first slide rail 2 and the first slide rail 4. The extension spring 3 is disposed at an end of the first support 1 away from the pressing rod 20 and is connected to an end of the first adjusting plate 24 away from the pressing rod 20, and the extension spring controls the first adjusting plate 24 to slide on the first slide rail so as to control a position of the first positioning point 22 relative to the second positioning point 25.
The second support member includes a second adjusting plate 10 and a second adjusting portion disposed on the base 23 for driving the second adjusting plate 10 to move. The first support body 1 is rotatably mounted on the hinge portion, the first adjusting plate 24 and the second adjusting plate 10 are located on two opposite sides of the hinge portion, and the first support body 1 is turned over relative to the second adjusting plate 10 by using the pressing rod 20 as an axis. The surface of the first regulating plate 24 is provided with a first positioning point 22, the surface of the second regulating plate 10 is provided with a second positioning point 25, the first positioning point 22 and the second positioning point 25 are both multiple, and different first positioning points 22 and second positioning points 25 can be selected according to the length of a sample. The pressure lever 20 is located between the first positioning point 22 and the second positioning point 25; the first adjusting portion adjusts the first adjusting plate 24 to move away from the pressing rod 20 to adjust the position of the first positioning point 22 relative to the second positioning point 25, and the second adjusting plate 10 adjusts the second adjusting plate 10 away from the pressing rod 20 to adjust the displacement of the second positioning point 25 relative to the first positioning point 22.
The first regulating plate 24 has a surface provided with a first fixing strip 21, and the first fixing strip 21 fixes one end of the sample 5 to the first fixing point 22. A sample to be tested is placed on the second adjusting plate 10, a second fixing strip 9 is arranged on the surface of the second adjusting plate 10, and the other end of the sample 5 is fixed on the second positioning point 25 by the second fixing strip. The second adjustment portion includes a slider 11, second slide rails 12 and 14, and a handle 13. The second slide rail 12 and the second slide rail 14 are oppositely arranged on the surface of the base. In this embodiment, the handle 13 is a screw rod for facilitating adjustment, and the slider 11 is slidably mounted on the second slide rail 12 and the second slide rail 14. The sliding block 11 is fixedly connected to the second adjusting plate 10, and when the handle 13 is rotated, the sliding block 11 drives the second adjusting plate 10 to slide on the second slide rail 12 and the second slide rail 14, so as to control a position of a second positioning point 25 on the second adjusting plate 10 relative to a first positioning point 22.
The strength testing apparatus 100 includes a driving mechanism disposed in the driving apparatus region 7, the driving mechanism driving the upper support assembly to repeatedly rotate from 0 degree to 180 degrees with respect to the second adjustment plate 10 with respect to the first support 1, so that one end of the sample 5 fixed on the first adjustment plate 24 is repeatedly rotated from 0 degree to 180 degrees with respect to the other end of the sample 5 fixed on the second adjustment plate 10.
The strength testing device 100 includes a transport mechanism disposed within the transport device region 6. When the driving mechanism is driven, the conveying mechanism 6 drives the first supporting body 1 to rotate repeatedly from 0 degree to 180 degree relative to the second adjusting plate 10, so that one end of the sample 5 fixed on the first adjusting plate 24 rotates repeatedly from 0 degree to 180 degree relative to the other end of the sample 5 fixed on the second adjusting plate 10.
Specifically, when the strength testing device 100 is used for testing the dynamic bending strength of the flexible display screen, the first supporting piece is turned to 180 degrees, the flexible display screen is slowly moved to a central point of a required position from below the pressure lever 20 and then is aligned vertically, then the two ends of the display panel 5 on the flexible display screen are respectively buckled by the first fixing strip 21 and the second fixing strip 9, and at the moment, the flexible circuit board 18 on the flexible display screen is isolated outside a bending strength testing area surrounded by the first fixing strip 21 and the second fixing strip 9. The handle 13 is used to adjust the display panel 5 fixed on the second adjusting plate 10 slightly so that the stress of the whole display panel 5 is balanced. After the display panel 5 is installed, the start button 16 is pressed, and the driving mechanism starts to drive the transmission mechanism to move, so as to drive the first support body 1 to overturn and rotate repeatedly from 0 degree to 180 degrees relative to the second adjusting plate 10. When the display panel 5 is bent for a long time and then looses, if the display panel is slightly loosened, the extension spring 3 can stretch the first adjusting plate 24 upwards along the first slide rails 2 and 4 to realize automatic compensation adjustment, and the second adjusting plate 10 is controlled by the manual adjusting handle 13 to move along the second slide rails 12 and 14 to realize manual compensation adjustment, so that the stress of the display panel 5 in the whole bending strength testing process is balanced, and when any emergency occurs in the bending strength testing process, the testing process can be stopped immediately by pressing the emergency button 15.
The strength testing device combines automatic alignment compensation and manual operation during dynamic bending, so that a sample keeps a stress balance state in the whole bending strength testing process; the page turning type structure can enable the sample to be repeatedly bent from 0 to 180 degrees, when the bending strength of the flexible display screen is tested, the flexible display screen can be lightened and then the page turning type structure is carried out, so that the picture effect of the flexible display screen in the bending strength testing process can be conveniently observed; the bending strength of the viscous material can also be tested by subjecting the surfaces of the first regulating plate and the second regulating plate carrying the sample to a special oxidation treatment.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. An intensity testing device, comprising:
a base station;
the hinge part is arranged on the base and comprises a pressure rod;
the first support piece comprises a first support body, a first adjusting plate and a first adjusting part, wherein the first adjusting plate is slidably arranged on the first support body, and the first adjusting part is connected with the first support body and the first adjusting plate;
the second support piece comprises a second adjusting plate and a second adjusting part which is arranged on the base station and drives the second adjusting plate to move;
the first support body is rotatably arranged on the hinge part, the first adjusting plate and the second adjusting plate are positioned on two opposite sides of the hinge part, and the first support body is turned relative to the second adjusting plate by taking the pressing rod as a shaft;
the surface of the first adjusting plate is provided with a first positioning point, the surface of the second adjusting plate is provided with a second positioning point, and the pressing rod is positioned between the first positioning point and the second positioning point;
the first adjusting part adjusts the first adjusting plate to move away from the pressure rod so as to adjust the displacement of the first positioning point relative to the second positioning point, and the second adjusting part adjusts the second adjusting plate to move away from the pressure rod so as to adjust the displacement of the second positioning point relative to the first positioning point;
the pressure lever can be detached and replaced according to the turning angle radius required by the first supporting body relative to the second adjusting plate and is made of amorphous metal;
and the driving mechanism is arranged in the base station and used for driving the first supporting body to rotate repeatedly from 0 degree to 180 degrees relative to the second adjusting plate.
2. The strength testing apparatus of claim 1, wherein the first regulating portion comprises:
the first adjusting plate is arranged on the first sliding rail in a sliding manner;
extension spring, extension spring is located first supporter is kept away from the end connection of depression bar first regulating plate is in with control first regulating plate is in sliding displacement on the first slide rail.
3. The strength testing device of claim 1, wherein the second regulating portion comprises:
the sliding block is fixedly connected with the second adjusting plate;
the second sliding rail is arranged on the base station, and the sliding block is arranged on the second sliding rail in a sliding manner;
the handle is used for regulating and controlling the sliding of the sliding block so as to adjust the position of the second adjusting plate.
4. The strength testing device according to any one of claims 1 to 3, wherein the first adjusting plate is provided at its surface with a first fixing strip for fixing one end of the sample at the first fixing point.
5. The strength testing device of claim 4, wherein the surface of the second adjusting plate is provided with a second fixing strip for fixing the other end of the sample at the second positioning point.
6. The strength testing device of claim 1, wherein the strength testing device comprises a conveying mechanism, and after the driving mechanism is driven, the conveying mechanism drives the first supporting body to rotate from 0 degrees to 180 degrees relative to the second adjusting plate repeatedly.
7. The strength testing apparatus of claim 1, wherein the strength testing apparatus comprises an emergency button, a start button and a stop button, the emergency button, the start button and the stop button being disposed on the base station, the start button being for starting the strength testing apparatus, the emergency button being for emergency stopping the strength testing apparatus, the stop button being for stopping the strength testing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711113527.5A CN107976372B (en) | 2017-11-13 | 2017-11-13 | Strength testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711113527.5A CN107976372B (en) | 2017-11-13 | 2017-11-13 | Strength testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107976372A CN107976372A (en) | 2018-05-01 |
| CN107976372B true CN107976372B (en) | 2021-03-02 |
Family
ID=62013304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711113527.5A Active CN107976372B (en) | 2017-11-13 | 2017-11-13 | Strength testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107976372B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801818A (en) * | 2018-05-30 | 2018-11-13 | 上海与德通讯技术有限公司 | Bending mechanism |
| CN108982259A (en) * | 2018-10-10 | 2018-12-11 | 常德金鹏印务有限公司 | A kind of trade mark indentation line fold resistant device for detecting performance |
| CN112129654B (en) * | 2020-10-28 | 2021-07-09 | 江苏创励安科技有限公司 | Information acquisition device based on folding times of PCB (printed circuit board) flexible printed circuit board |
| CN112504823B (en) * | 2021-02-04 | 2021-05-28 | 浙江荷清柔性电子技术有限公司 | Flexible chip bending capability testing device, testing method and flexible carrier |
| CN113567275B (en) * | 2021-09-23 | 2021-12-17 | 深圳荣耀智能机器有限公司 | Flexible circuit board test equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001272320A (en) * | 2000-03-27 | 2001-10-05 | Sumitomo Wiring Syst Ltd | Bending test device for wire harness |
| CN203824849U (en) * | 2014-02-24 | 2014-09-10 | 东莞市骏达触控科技有限公司 | Testing device for bending resistance of thin film |
| CN205538498U (en) * | 2016-04-25 | 2016-08-31 | 蓝思科技股份有限公司 | Panel detection device that bursts that buckles |
| CN107014700B (en) * | 2017-04-25 | 2019-11-08 | 中国电子产品可靠性与环境试验研究所 | Flexing Apparatus |
| CN107144476B (en) * | 2017-04-25 | 2019-05-03 | 中国电子产品可靠性与环境试验研究所 | Flexing Apparatus and its transmission device |
-
2017
- 2017-11-13 CN CN201711113527.5A patent/CN107976372B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107976372A (en) | 2018-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107976372B (en) | Strength testing device | |
| KR101961222B1 (en) | Characteristic evaluating apparatus for flexible display | |
| KR101375077B1 (en) | Bending examination apparatus for flexible display and examination method using this | |
| US11584604B2 (en) | Curling device and flexible screen curling apparatus | |
| CN107454229B (en) | Flexible display screen auxiliary device and folding mobile terminal | |
| CN108225938A (en) | A kind of bending test apparatus and bending test method | |
| CN100373578C (en) | Stand arrangement and control thereof | |
| US9797944B2 (en) | Test fixture and test method using the same | |
| US20210341366A1 (en) | Bending test device | |
| CN103868847B (en) | Device is torn in the pressing tested for peeling off rate and method is torn in pressing | |
| CN107219118B (en) | Performance test fixture for flexible display material under specific bending condition | |
| CN208937318U (en) | A kind of bending test apparatus | |
| KR100768914B1 (en) | Probe test apparatus | |
| KR101572640B1 (en) | Jig for apparatus inspecting covered display panel | |
| CN116754419B (en) | Paper box printing ink wear-resistant testing device and testing method thereof | |
| CN211074702U (en) | Tectorial membrane base plate cutting equipment | |
| CN206489015U (en) | A kind of coating cloth scrunch testing machine | |
| CN111745942A (en) | Bending device and bending method of flexible display panel | |
| KR101404662B1 (en) | Gripper device for equipments inspecting display panels | |
| KR100358322B1 (en) | Handler for testing LCD | |
| KR102329854B1 (en) | Test system of display panel | |
| CN114088620A (en) | Adhesive force detection equipment for adhesive tape production and detection method thereof | |
| KR100648468B1 (en) | Tester Inspecting Many Kinds of Glass and The Method thereof | |
| CN109946185B (en) | Scratch-resistant tester for paint coating detection | |
| CN207036652U (en) | A kind of PVvalue testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |