CN114536723B - Single-shaft rotation bending mechanism - Google Patents
Single-shaft rotation bending mechanism Download PDFInfo
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- CN114536723B CN114536723B CN202210204247.XA CN202210204247A CN114536723B CN 114536723 B CN114536723 B CN 114536723B CN 202210204247 A CN202210204247 A CN 202210204247A CN 114536723 B CN114536723 B CN 114536723B
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- 238000005452 bending Methods 0.000 title claims abstract description 151
- 230000007246 mechanism Effects 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 19
- 238000001179 sorption measurement Methods 0.000 claims 2
- 230000033001 locomotion Effects 0.000 abstract description 11
- 230000007306 turnover Effects 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 3
- 230000036544 posture Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/04—Bending or folding of plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Mechanical Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The application provides a single-shaft rotation bending mechanism, comprising: adjacent first bearing plane and second bearing plane along the first horizontal plane, bear the bending area of flexible panel separately, the rectangular part of flexible panel that is not born by bearing plane is the bending area, a turnover mechanism, drive first bearing plane and second bearing plane to carry on the relative movement on the basis of a rotation axis, in order to expand or bend the bending area of flexible panel; the application can prevent the screen from being concentrated by the stress caused by additional tension and pressure and non-tangency, effectively avoid crease generation and improve the overall quality of the curved screen product.
Description
Technical Field
The application relates to the field of curved display panel manufacturing equipment, in particular to a single-shaft rotation bending mechanism.
Background
The curved screen is a display screen adopting flexible plastics and is mainly realized by an OLED panel. Compared with a straight screen, the curved screen has better elasticity and is not easy to break. The curved screen takes non-rigid glass as a substrate, so that the curved screen has better elasticity and is not easy to break. The abrasion probability of the screen is reduced, and particularly, the mobile phone screen with higher touched rate is reduced. When the device is used for a mobile phone, the whole curved surface screen is favorable for holding, is better attached to the palm radian, reduces the distance of a thumb touching the screen during single-hand operation, and is theoretically favorable for improving the experience of transverse screen-crossing operation under a large-size screen; the seemingly subtle curve can enable the mobile phone holder to have better information privacy, such as that a person sitting at the side cannot see the content displayed on the mobile phone screen. The screen can be made thinner, light in weight and low in power consumption. Curved screens increase the viewing angle so that they perform well even when viewed at off-center angles. The curved surface not only overturns the appearance form of the television, but also obviously improves the watching comfort level, and is a great step in the development of the appearance of the television. And is also a challenge and challenge for vendor technology.
Since the flexible display panel has thin, lightweight and bendable characteristics, the flexible display panel has been applied to various applications. The flexible display panel can be folded or rolled to reduce the occupied space. In the case of bending, the tension applied to the flexible display panel must be controlled, and the flexible display panel itself cannot be pressed to form permanent folds, and the flexible display panel needs to be supported over its entire surface in use.
Therefore, there is a need for a bending mechanism that can effectively avoid folds caused by extrusion during bending.
Disclosure of Invention
Aiming at the problems in the prior art, the application aims to provide the single-shaft rotating bending mechanism, which overcomes the difficulty in the prior art, can prevent the screen from being subjected to stress concentration caused by additional tension and pressure and non-tangency, effectively avoids crease generation and improves the overall quality of curved screen products.
An embodiment of the present application provides a uniaxial rotary bending mechanism including:
adjacent first and second bearing planes arranged along the first horizontal plane respectively bear non-bending regions of the flexible panel, rectangular portions of the flexible panel not borne by the bearing planes are bending regions, and coordinates of centers of projected patterns of long sides of the bending regions respectively corresponding to the first and second bearing planes in a plane coordinate system established based on a vertical plane perpendicular to a length direction of the bending regions are first reference points a (X A ，Y A ) And a second reference point B (X B ，Y B )；
The only turnover mechanism drives the second bearing plane based on a rotation shaft and based on projection on the second reference point B (X B ，Y B ) The rotation axis is rotated to unfold or bend the bending region of the flexible panel;
the folding process meets the following conditions: x is X A And X B One of which is kept unchanged, the absolute value of the other is |X (alpha) |, Y A And Y B One of which remains unchanged, the absolute value of the other is |y (a) |,
wherein,
α=ωt, ω is an angular velocity of bending in an arc corresponding to an included angle formed between the first bearing plane and the second bearing plane, and t is a time of bending.
Preferably, the width of the short side of the bending area is pi R, and R is a preset bending radius.
Preferably, the first bearing plane and the second bearing plane each absorb two independent non-bending areas of the flexible panel, and after bending, an absorption surface of the second bearing plane covers over an absorption surface of the first bearing plane.
Preferably, the bending region is located between the two bearing planes.
Preferably, the first bearing plane is fixed, the turnover mechanism drives the second bearing plane to bend relative to the first bearing plane based on the rotation shaft, and in the bending process:
the abscissa X of the first reference point A A Remain unchanged;
ordinate Y of first reference point A A Remain unchanged;
the abscissa of the second reference point B
Ordinate of the second reference point B
Preferably, the bending device further comprises a pushing mechanism, the first bearing plane is arranged on a translation track extending along a first horizontal plane, the translation direction of the translation track is perpendicular to the long side of the bending area, the turning mechanism drives the second bearing plane to bend relative to the first bearing plane based on the rotating shaft, meanwhile, the pushing mechanism pushes the first bearing plane to translate along the translation track to the second bearing plane, and in the bending process:
the abscissa of the first reference point A
Ordinate Y of first reference point A A Remain unchanged;
the abscissa X of the second reference point B B Remain unchanged;
ordinate of the second reference point B
Preferably, the bending device further comprises a lifting mechanism, the first bearing plane is arranged on a lifting rail perpendicular to the first horizontal plane, the lifting direction of the lifting rail is perpendicular to the long side of the bending area, the turning mechanism drives the second bearing plane to bend relative to the first bearing plane based on the rotating shaft, meanwhile, the lifting mechanism pulls the first bearing plane to descend along the lifting rail, and in the bending process:
the abscissa X of the first reference point A A Remain unchanged;
ordinate of first reference point A
The abscissa of the second reference point B
Ordinate Y of second reference point B B Remain unchanged.
Preferably, the bending machine further comprises a pushing mechanism and a lifting mechanism, the first bearing plane is arranged on a translation track extending along a first horizontal plane and a lifting track perpendicular to the first horizontal plane, the translation direction of the translation track is perpendicular to the long side of the bending area, the lifting direction of the lifting track is perpendicular to the long side of the bending area, the folding mechanism drives the second bearing plane to bend relative to the first bearing plane based on the rotating shaft, meanwhile, the pushing mechanism pulls the first bearing plane to translate along the translation track to the second bearing plane, and the lifting mechanism pulls the first bearing plane to descend along the lifting track, so that in the bending process:
the abscissa of the first reference point A
Ordinate of first reference point A
The abscissa X of the second reference point B B Remain unchanged;
ordinate Y of second reference point B B Remain unchanged.
Preferably, the translation rail supports the first bearing plane, and the lifting rails are arranged on two sides of the translation rail and used for lifting the translation rail along the lifting rails.
Preferably, the lifting rail supports the first bearing plane, and the translation rails are arranged on two sides of the lifting rail and used for translating along the translation rails.
The application aims to provide a single-shaft rotating bending mechanism which can prevent a screen from being subjected to stress concentration caused by additional tension and pressure and non-tangency, effectively avoid crease generation and improve the overall quality of a curved screen product.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings.
Fig. 1 is a schematic view of a first single axis rotary bending mechanism according to the present application.
Fig. 2 is a schematic view of a second single axis bending mechanism according to the present application.
Fig. 3 is a schematic view of a third single axis rotary bending mechanism according to the present application.
Fig. 4 is a schematic view of a fourth single axis rotary bending mechanism according to the present application.
Reference numerals
1. A first bearing plane
2. Non-bending region
3. First reference point A
4. Bending region
5. Second reference point B
6. A second bearing plane
7. Translation track
8. Lifting rail
9. Push mechanism
10. Lifting mechanism
Detailed Description
Other advantages and effects of the present application will be readily apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application by way of specific examples. The application may be practiced or carried out in other embodiments and with various details, and various modifications and alterations may be made to the details of the application from various points of view and applications without departing from the spirit of the application. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
The embodiments of the present application will be described in detail below with reference to the attached drawings so that those skilled in the art to which the present application pertains can easily implement the present application. This application may be embodied in many different forms and is not limited to the embodiments described herein.
In the context of the present description, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples, as well as features of various embodiments or examples, presented herein may be combined and combined by those skilled in the art without conflict.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the context of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
For the purpose of clarity of explanation of the present application, components that are not related to the explanation are omitted, and the same or similar components are given the same reference numerals throughout the description.
Throughout the specification, when a device is said to be "connected" to another device, this includes not only the case of "direct connection" but also the case of "indirect connection" with other elements interposed therebetween. In addition, when a certain component is said to be "included" in a certain device, unless otherwise stated, other components are not excluded, but it means that other components may be included.
When a device is said to be "on" another device, this may be directly on the other device, but may also be accompanied by other devices therebetween. When a device is said to be "directly on" another device in contrast, there is no other device in between.
Although the terms first, second, etc. may be used herein to connote various elements in some instances, the elements should not be limited by the terms. These terms are only used to distinguish one element from another element. For example, a first interface, a second interface, etc. Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or" and/or "as used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; A. b and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the language clearly indicates the contrary. The meaning of "comprising" in the specification is to specify the presence of stated features, regions, integers, steps, operations, elements, and/or components, but does not preclude the presence or addition of other features, regions, integers, steps, operations, elements, and/or components.
Although not differently defined, including technical and scientific terms used herein, all have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The term addition defined in the commonly used dictionary is interpreted as having a meaning conforming to the contents of the related art document and the current hint, so long as no definition is made, it is not interpreted as an ideal or very formulaic meaning too much.
Fig. 1 is a schematic view of a first single axis rotary bending mechanism according to the present application. As shown in fig. 1, a first uniaxial rotary bending mechanism of the present application includes: adjacent first and second bearing planes 1, 6 arranged along the first horizontal plane respectively bear the non-bending region 2 of the flexible panel, and the rectangular portion of the flexible panel not borne by the bearing planes is the bending region 4. The only folding mechanism drives the first and second support planes 1, 6 in relative motion based on a rotation axis to unfold or bend the bending region 4 of the flexible panel. The bending zone 4 is located between two bearing planes. The width of the short side of the bending region 4 is pi R, R being a preset bending radius. The first bearing plane 1 and the second bearing plane 6 absorb two independent non-bending areas 2 of the flexible panel respectively, and after bending, the absorption surface of the second bearing plane 6 is covered above the absorption surface of the first bearing plane 1. The first bearing plane 1 and the second bearing plane 6 are vacuum suction plates, but not limited thereto.
The coordinates of the centers of the projected patterns of the long sides of the bending regions 4 corresponding to the first and second carrying planes 1 and 6, respectively, in the plane coordinate system established based on the vertical plane perpendicular to the longitudinal direction of the bending regions 4 are the first reference points A3 (X A ，Y A ) And a second reference point B5 (X B ，Y B ). The projection point of the rotation axis in the plane coordinate system is the second reference point B5 (X B ，Y B )。
The folding process meets the following conditions: x is X A And X B One of which is kept unchanged, the absolute value of the other is |X (alpha) |, Y A And Y B One of which remains unchanged, the absolute value of the other is |y (a) |,
wherein,
α=ωt, ω is the angular velocity of bending in the radian corresponding to the angle formed between the first bearing plane 1 and the second bearing plane 6, and t is the time of bending.
In this embodiment, the first carrying plane 1 is fixed, and the turnover mechanism drives the second carrying plane 6 to bend relative to the first carrying plane 1 along the arc direction of V1 based on the rotation axis, and in the bending process:
the abscissa X of the first reference point A3 A Remain unchanged.
Ordinate Y of first reference point A3 A Remain unchanged.
Abscissa of the second reference point B5
Ordinate of the second reference point B5
The single-shaft rotation bending mechanism can prevent the screen from being subjected to stress concentration caused by additional tension and pressure and non-tangency in the process of bending the flexible screen, effectively avoid crease generation and improve the overall quality of curved screen products.
Fig. 2 is a schematic view of a second single axis bending mechanism according to the present application. As shown in fig. 2, a second uniaxial rotary bending mechanism of the present application includes: adjacent first and second bearing planes 1, 6 arranged along the first horizontal plane respectively bear the non-bending region 2 of the flexible panel, and the rectangular portion of the flexible panel not borne by the bearing planes is the bending region 4. The only folding mechanism drives the first and second support planes 1, 6 in relative motion based on a rotation axis to unfold or bend the bending region 4 of the flexible panel. The bending zone 4 is located between two bearing planes. The width of the short side of the bending region 4 is pi R, R being a preset bending radius. The first bearing plane 1 and the second bearing plane 6 absorb two independent non-bending areas 2 of the flexible panel respectively, and after bending, the absorption surface of the second bearing plane 6 is covered above the absorption surface of the first bearing plane 1. The first bearing plane 1 and the second bearing plane 6 are vacuum suction plates, and in the matched folding movement of the vacuum suction plates and the rails, the bent object can be prevented from being concentrated by stress caused by additional pulling pressure and non-tangency, but the application is not limited to the above
The coordinates of the centers of the projected patterns of the long sides of the bending regions 4 corresponding to the first and second carrying planes 1 and 6, respectively, in the plane coordinate system established based on the vertical plane perpendicular to the longitudinal direction of the bending regions 4 are the first reference points A3 (X A ，Y A ) And a second reference point B5 (X B ，Y B ). The projection point of the rotation axis in the plane coordinate system is the second reference point B5 (X B ，Y B )。
In this embodiment, still include a pushing mechanism 9, first loading plane 1 is set up in translation track 7 that extends along first horizontal plane, translation direction perpendicular to bending area 4's long limit of translation track 7, turn over a mechanism and drive second loading plane 6 and buckle for first loading plane 1 based on the rotation axis along V1's pitch arc direction based on the rotation axis, simultaneously pushing mechanism 9 pushes first loading plane 1 to translate to second loading plane 6 along translation track 7's V2 direction, first loading plane 1, the mobile pair of horizontal direction is jointly formed in first loading plane 1, the non-bending area of first loading plane 1 absorption, pushing mechanism 9 and turn over a mechanism synchronous work, in the bending process:
abscissa of first reference point A3
Ordinate Y of first reference point A3 A Remain unchanged.
The abscissa X of the second reference point B5 B Remain unchanged.
Ordinate of the second reference point B5
α=ωt, ω is the angular velocity of bending in the radian corresponding to the angle formed between the first bearing plane 1 and the second bearing plane 6, and t is the time of bending.
In the bending process, the pushing mechanism 9 and the folding mechanism are started simultaneously, and the folding operation is completed cooperatively and stopped simultaneously. The single-shaft rotation bending mechanism can prevent the screen from being subjected to stress concentration caused by additional tension and pressure and non-tangency in the process of bending the flexible screen, effectively avoid crease generation and improve the overall quality of curved screen products.
The main difference between the second type of single-shaft rotating bending mechanism and the first type of single-shaft rotating bending mechanism is that different motion postures are respectively completed through the first bearing plane 1 and the second bearing plane 6, so that the bending is performed cooperatively, the difficulty of the structure and the transmission structure of the bending equipment is greatly reduced, and the overall cost is reduced on the premise of ensuring the quality.
Fig. 3 is a schematic view of a third single axis rotary bending mechanism according to the present application. As shown in fig. 2, a third uniaxial rotary bending mechanism of the present application includes: adjacent first and second bearing planes 1, 6 arranged along the first horizontal plane respectively bear the non-bending region 2 of the flexible panel, and the rectangular portion of the flexible panel not borne by the bearing planes is the bending region 4. The only folding mechanism drives the first and second support planes 1, 6 in relative motion based on a rotation axis to unfold or bend the bending region 4 of the flexible panel. The bending zone 4 is located between two bearing planes. The width of the short side of the bending region 4 is pi R, R being a preset bending radius. The first bearing plane 1 and the second bearing plane 6 absorb two independent non-bending areas 2 of the flexible panel respectively, and after bending, the absorption surface of the second bearing plane 6 is covered above the absorption surface of the first bearing plane 1. The first bearing plane 1 and the second bearing plane 6 are vacuum suction plates, and in the matched folding movement of the vacuum suction plates and the rails, the bent object can be prevented from being concentrated by stress caused by additional pulling pressure and non-tangency, but the application is not limited to the above
The coordinates of the centers of the projected patterns of the long sides of the bending regions 4 corresponding to the first and second carrying planes 1 and 6, respectively, in the plane coordinate system established based on the vertical plane perpendicular to the longitudinal direction of the bending regions 4 are the first reference points A3 (X A ，Y A ) And a second reference point B5 (X B ，Y B ). The projection point of the rotation axis in the plane coordinate system is the second reference point B5 (X B ，Y B )。
In this embodiment, the lifting and lowering mechanism further includes a lifting and lowering mechanism 10, the first carrying plane 1 is disposed on a lifting and lowering rail 8 perpendicular to the first horizontal plane, the lifting and lowering direction of the lifting and lowering rail 8 is perpendicular to the long side of the bending region 4, the folding and lowering mechanism drives the second carrying plane 6 to bend along the arc direction of the V1 based on the rotation axis relative to the first carrying plane 1, meanwhile, the lifting and lowering mechanism 10 pulls the first carrying plane 1 to vertically descend along the V3 direction of the lifting and lowering rail 8, the first carrying plane 1 and the non-bending region absorbed by the first carrying plane 1 together form a moving pair in the vertical direction, the lifting and lowering mechanism 10 and the folding and lowering mechanism work synchronously, and in the bending process:
the abscissa X of the first reference point A3 A Remain unchanged.
A first reference point A3Ordinate of the ordinate
Abscissa of the second reference point B5
Ordinate Y of second reference point B5 B Remain unchanged.
α=ωt, ω is the angular velocity of bending in the radian corresponding to the angle formed between the first bearing plane 1 and the second bearing plane 6, and t is the time of bending.
During the bending process, the lifting mechanism 10 and the folding mechanism are started simultaneously, and the folding operation is completed cooperatively and stopped simultaneously. The single-shaft rotation bending mechanism can prevent the screen from being subjected to stress concentration caused by additional tension and pressure and non-tangency in the process of bending the flexible screen, effectively avoid crease generation and improve the overall quality of curved screen products.
The main difference between the third single-shaft rotating bending mechanism and the first single-shaft rotating bending mechanism is that different motion postures are respectively completed through the first bearing plane 1 and the second bearing plane 6, so that the bending is performed cooperatively, the difficulty of the structure and the transmission structure of the bending equipment is greatly reduced, and the overall cost is reduced on the premise of ensuring the quality.
Fig. 4 is a schematic view of a fourth single axis rotary bending mechanism according to the present application. As shown in fig. 2, a fourth uniaxial rotary bending mechanism of the present application includes: adjacent first and second bearing planes 1, 6 arranged along the first horizontal plane respectively bear the non-bending region 2 of the flexible panel, and the rectangular portion of the flexible panel not borne by the bearing planes is the bending region 4. The only folding mechanism drives the first and second support planes 1, 6 in relative motion based on a rotation axis to unfold or bend the bending region 4 of the flexible panel. The bending zone 4 is located between two bearing planes. The width of the short side of the bending region 4 is pi R, R being a preset bending radius. The first bearing plane 1 and the second bearing plane 6 absorb two independent non-bending areas 2 of the flexible panel respectively, and after bending, the absorption surface of the second bearing plane 6 is covered above the absorption surface of the first bearing plane 1. The first bearing plane 1 and the second bearing plane 6 are vacuum suction plates, and in the matched folding movement of the vacuum suction plates and the rails, the bent object can be prevented from being concentrated by stress caused by additional pulling pressure and non-tangency, but the application is not limited to the above
The coordinates of the centers of the projected patterns of the long sides of the bending regions 4 corresponding to the first and second carrying planes 1 and 6, respectively, in the plane coordinate system established based on the vertical plane perpendicular to the longitudinal direction of the bending regions 4 are the first reference points A3 (X A ，Y A ) And a second reference point B5 (X B ，Y B )。
In this embodiment, the device further includes a pushing mechanism 9 and a lifting mechanism 10, the first carrying plane 1 is disposed on a translation rail 7 extending along the first horizontal plane and a lifting rail 8 perpendicular to the first horizontal plane, the translation direction of the translation rail 7 is perpendicular to the long side of the bending region 4, the lifting direction of the lifting rail 8 is perpendicular to the long side of the bending region 4, the folding mechanism drives the second carrying plane 6 to bend relative to the first carrying plane 1 along the arc direction of the V1 based on the rotation axis, meanwhile, the pushing mechanism 9 pulls the first carrying plane 1 to translate towards the second carrying plane 6 along the V2 direction of the translation rail 7, the lifting mechanism 10 pulls the first carrying plane 1 to vertically descend along the V3 direction of the lifting rail 8, and the pushing mechanism 9, the lifting mechanism 10 and the folding mechanism work synchronously, during the bending process:
abscissa of first reference point A3
Ordinate of first reference point A3
The abscissa X of the second reference point B5 B Remain unchanged.
Ordinate Y of second reference point B5 B Remain unchanged.
α=ωt, ω is the angular velocity of bending in the radian corresponding to the angle formed between the first bearing plane 1 and the second bearing plane 6, and t is the time of bending.
In the bending process, the pushing mechanism 9, the pulling mechanism 10 and the folding mechanism are started simultaneously, and the folding operation is completed cooperatively and stopped simultaneously.
The translation track 7 supports the first bearing plane 1, and lifting tracks 8 are arranged on two sides of the translation track 7, so that the translation track 7 can lift along the lifting tracks 8.
In a variant, the lifting rail 8 supports the first bearing plane 1, and the two sides of the lifting rail 8 are provided with translation rails 7 for the lifting rail 8 to translate along the translation rails 7.
The single-shaft rotation bending mechanism can prevent the screen from being subjected to stress concentration caused by additional tension and pressure and non-tangency in the process of bending the flexible screen, effectively avoid crease generation and improve the overall quality of curved screen products.
The fourth single-shaft rotating and bending mechanism is mainly different from the first single-shaft rotating and bending mechanism in that different motion postures are respectively completed through the first bearing plane 1 and the second bearing plane 6, so that the bending is performed cooperatively, the difficulty of the structure and the transmission structure of the bending equipment is greatly reduced, and the overall cost is reduced on the premise of ensuring the quality.
In summary, the application aims to provide a single-axis rotation bending mechanism, which can prevent a screen from being subjected to stress concentration caused by additional tension and non-tangency, effectively avoid crease generation and improve the overall quality of a curved screen product.
The foregoing is a further detailed description of the application in connection with the preferred embodiments, and it is not intended that the application be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the application, and these should be considered to be within the scope of the application.
Claims (4)
1. A single-axis rotary bending mechanism, comprising:
adjacent first bearing plane (1) and second bearing plane (6) arranged along a first horizontal plane respectively bear a non-bending area (2) of the flexible panel, a rectangular part of the flexible panel which is not borne by the bearing plane is a bending area (4), and coordinates of centers of long sides of the bending areas (4) respectively corresponding to the first bearing plane (1) and the second bearing plane (6) in a plane coordinate system established based on a plumb plane perpendicular to the length direction of the bending area (4) are respectively a first reference point A (X) A ，Y A ) And a second reference point B (X B ，Y B )；
The single folding mechanism drives the second bearing plane (6) based on a rotation shaft and based on projection on the second reference point B (X B ，Y B ) The rotation axis is a rotation to unfold or bend the bending zone (4) of the flexible panel;
the folding process meets the following conditions: x is X A And X B One of which is kept unchanged, the absolute value of the other is |X (alpha) |, Y A And Y B One of which remains unchanged, the absolute value of the other is |y (a) |,
wherein,
alpha=ωt, ω is the angular velocity of bending in the radian corresponding to the included angle formed between the first bearing plane (1) and the second bearing plane (6), and t is the time of bending;
the pushing mechanism (9) and the lifting mechanism (10), the first bearing plane (1) is arranged on a translation track extending along a first horizontal plane and a lifting track (8) perpendicular to the first horizontal plane, the translation direction of the translation track is perpendicular to the long side of the bending area (4), the lifting direction of the lifting track (8) is perpendicular to the long side of the bending area (4), the second bearing plane (6) is driven by the folding mechanism to bend relative to the first bearing plane (1) based on the rotating shaft, meanwhile, the pushing mechanism (9) pulls the first bearing plane (1) to translate along the translation track to the second bearing plane (6), and the lifting mechanism (10) pulls the first bearing plane (1) to descend along the lifting track (8), and in the bending process:
the abscissa of the first reference point A
Ordinate of first reference point A
The abscissa X of the second reference point B B Remain unchanged;
ordinate Y of second reference point B B Remain unchanged;
the translation track supports first loading plane (1), just translation track's both sides are equipped with lifting rail (8), supplies the translation track is followed lifting rail (8) goes up and down, lifting rail (8) support first loading plane (1), just lifting rail's (8) both sides are equipped with translation track, supplies lifting rail (8) are followed translation track carries out the translation.
2. The single axis bending mechanism according to claim 1, wherein the short side width of the bending region (4) is pi R, R is a preset bending radius.
3. The single-axis rotating bending mechanism according to claim 1, wherein the first bearing plane (1) and the second bearing plane (6) each adsorb two independent non-bending areas (2) of the flexible panel, and after bending, an adsorption surface of the second bearing plane (6) covers over an adsorption surface of the first bearing plane (1).
4. A uniaxially rotating bending mechanism according to claim 3, characterized in that said bending zone (4) is located between two of said bearing planes.
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