CN111532009A - Attaching jig and attaching method for flexible screen - Google Patents
Attaching jig and attaching method for flexible screen Download PDFInfo
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- CN111532009A CN111532009A CN202010555596.7A CN202010555596A CN111532009A CN 111532009 A CN111532009 A CN 111532009A CN 202010555596 A CN202010555596 A CN 202010555596A CN 111532009 A CN111532009 A CN 111532009A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 95
- 238000010030 laminating Methods 0.000 claims abstract description 46
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
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- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- -1 for example Polymers 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1825—Handling of layers or the laminate characterised by the control or constructional features of devices for tensioning, stretching or registration
- B32B38/1833—Positioning, e.g. registration or centering
- B32B38/1841—Positioning, e.g. registration or centering during laying up
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of flexible screens, and provides a flexible screen laminating jig and a flexible screen laminating method. The bonding jig comprises a carrying platform; the carrying platform comprises a first attaching plate, a second attaching plate, an angle adjusting mechanism and a flat plate assembly; the first binding plate is provided with a first binding surface; the second binding plate is provided with a second binding surface, and the second binding surface and the first binding surface are coplanar or form a preset included angle; the angle adjusting mechanism is connected between the first attaching plate and the second attaching plate; the leveling plate component is arranged on the first binding surface, the angle adjusting mechanism and the second binding surface; the angle adjusting mechanism is used for adjusting an included angle between the first binding surface and the second binding surface, so that the flat plate component forms an arc surface and changes the radius and the arc length of the arc surface. Reduce the stress strain of flexible screen under extreme condition through this laminating tool, can form the arc surface of multiple radius and arc length when can making the laminating of flexible screen through a laminating tool moreover, need not frequently replace the laminating tool, the material resources of using manpower sparingly.
Description
Technical Field
The invention relates to the technical field of flexible screens, in particular to a flexible screen laminating jig and a flexible screen laminating method.
Background
Flexible screens typically have two extreme states from 0 degrees unfolded to 180 degrees folded, and multiple folded states between the two extreme states. Referring to the structural schematic diagram of the unfolded state of the flexible screen shown in fig. 1; the flexible screen 9 is generally attached in a flat state, and for the multilayer film material attached in the flat state, the deformation is maximum (the maximum value is generally between 1% and 2%) in a maximum folding state, referring to a structural schematic diagram of the flexible screen in a folding 180-degree state shown in fig. 2; at the moment, the stress of the flexible screen 9 is maximum, and the mutual dislocation among all the film materials also reaches the maximum. Too large deformation can cause fatigue of each layer of membrane material, not only influences the recovery performance of the membrane material, but also reduces the recovery performance of the module, and influences the reliability of the module.
The above information disclosed in the background section is only for enhancement of understanding of the background of the present disclosure and therefore it may contain information that does not constitute prior art that is known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to overcome the defect that the stress and the strain are large in the maximum folding state in the prior art, and provides a flexible screen attaching jig and a flexible screen attaching method which are small in stress and strain in the maximum folding state.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
According to one aspect of the present disclosure, a flexible screen attaching jig is provided, which includes a carrier; the carrier includes:
the first binding plate is provided with a first binding surface;
the second binding plate is provided with a second binding surface, and the second binding surface and the first binding surface are coplanar or form a preset included angle;
the angle adjusting mechanism is connected between the first attaching plate and the second attaching plate;
the leveling plate component is arranged on the first binding surface, the angle adjusting mechanism and the second binding surface;
the angle adjusting mechanism is used for adjusting an included angle between the first binding surface and the second binding surface, so that the leveling plate assembly forms an arc surface and the radius and the arc length of the arc surface are changed.
In an exemplary embodiment of the present disclosure, the angle adjustment mechanism includes:
a plurality of gears, arrange in proper order in between first rigging board and the second rigging board, and adjacent two the gear intermeshing is close to first rigging board the gear with first rigging board fixed connection is close to the second rigging board the gear with second rigging board fixed connection.
In an exemplary embodiment of the present disclosure, the leveling plate assembly includes:
the first flat plate is arranged on the first attaching plate, the angle adjusting mechanism and the second attaching plate;
the second flat plate is arranged on one side, far away from the first attaching plate, the angle adjusting mechanism and the second attaching plate, of the first flat plate;
the first flat plate is made of rubber, and the second flat plate is made of metal.
In an exemplary embodiment of the disclosure, a plurality of grooves extending in the axial direction of the gear are arranged on one surface of the first flat plate close to the second flat plate, the grooves are arranged in parallel, a plurality of convex strips extending in the axial direction of the gear are arranged on one surface of the second flat plate close to the first flat plate, and the convex strips are matched with the grooves.
In an exemplary embodiment of the present disclosure, the leveling plate assembly includes:
the plurality of leveling strips are arranged on the first attaching plate, the angle adjusting mechanism and the second attaching plate, extend along the axial direction of the gear and are arranged in parallel;
the second flat plate is arranged on one side, far away from the first attaching plate, the angle adjusting mechanism and the second attaching plate, of the flat strips, a plurality of convex strips extending in the axial direction of the gear are arranged on one surface, close to the flat strips, of the second flat plate, the convex strips are located in gaps between every two adjacent flat strips, and the convex strips are matched with the gaps between every two adjacent flat strips;
the material of the leveling strip is rubber, and the material of the second leveling plate is metal.
In an exemplary embodiment of the present disclosure, the attaching jig further includes:
the roller mechanism is arranged on one side of the leveling plate assembly, which is far away from the first attaching plate, the angle adjusting mechanism and one side of the second attaching plate, and the roller mechanism is used for laminating the film layer covered on the leveling plate assembly.
In an exemplary embodiment of the present disclosure, the roller mechanism includes:
a support frame;
the movable driving assembly is fixed on the support frame;
the pressing assembly is connected to the moving driving assembly and is provided with a pressing end;
the laminating roller is rotatably connected to the pressure applying end;
the movable driving assembly is used for driving the laminating roller to move linearly, and the pressing assembly is used for outputting pressure to the laminating roller.
In an exemplary embodiment of the present disclosure, the roller mechanism further includes:
and the rotating driving assembly is connected between the moving driving assembly and the pressing assembly and is used for driving the pressing assembly and the laminating roller to rotate.
In an exemplary embodiment of the present disclosure, the attaching jig further includes:
and the locking mechanism is used for fixing the first attaching plate and the second attaching plate after the first attaching surface and the second attaching surface form a preset included angle.
According to one aspect of the present disclosure, there is provided a method for attaching a flexible screen, the attaching method using any one of the above attaching jigs, including:
adjusting the first attaching plate and the second attaching plate to a preset included angle, so that the flat plate assembly forms an arc surface, and the radius and the arc length of the arc surface are set values;
placing a first film layer on one surface of the flat plate assembly, which is far away from the first attaching plate, the angle adjusting mechanism and the second attaching plate;
placing a second film layer on one surface of the first film layer, which is far away from the flat plate component;
and pressing the second film layer and the first film layer through a roller mechanism.
In an exemplary embodiment of the present disclosure, the laminating the second film layer and the first film layer by a roller mechanism includes:
adjusting the inclination angle of the roller mechanism to enable the force application direction of the roller mechanism to be perpendicular to the first binding surface, the second binding surface and the arc surface; or
Adjusting the output pressure of the roller mechanism to keep the laminating force of the roller mechanism on the second film layer unchanged; or
When the planar part of the second film layer is pressed, the carrying platform is kept still, and the roller mechanism performs linear motion; when the curved surface part of the second film layer is pressed, the roller mechanism is kept still, and the carrying platform rotates.
In an exemplary embodiment of the present disclosure, the second film layer is a curved surface or a flat surface, and the second film layer is formed into a curved surface by the attaching jig of claims 1 to 9.
According to the technical scheme, the invention has at least one of the following advantages and positive effects:
according to the flexible screen attaching jig, the flat plate component forms the arc surface, and the radius and the arc length of the arc surface can be changed; the attaching state of the flexible screen can be in the intermediate state of the unfolding state and the completely folding state of the flexible screen, so that the strain of the flexible screen is only the strain of a single-layer film material in the attaching process of the flexible screen, the layer-to-layer dislocation is small, the influence is small, compared with the plane attaching mode in the traditional technology, the deformation of the flexible screen in the intermediate state and the interaction force between two adjacent layers of film materials, namely the interlayer acting force, are smaller than the deformation and the interlayer acting force of the flexible screen in the traditional technology when the flexible screen is bent to the same state, and the maximum deformation amount of the flexible screen in the traditional technology is generally between 1% and 2%, when the flexible screen is used and the flexible screen is adjusted to the limit state (unfolding or completely folding), the deformation amount of the flexible screen in the limit state can be reduced, and the stress strain of the flexible screen in the limit state is reduced, the deflection of the flexible screen between two extreme states in multiple fold condition has then been reduced equally, and then has played the effect of protection membrane material, has guaranteed the reply performance of membrane material, has promoted the reply performance of the module that the laminating of multilayer membrane material formed, has promoted the reliability of module, has promoted the reliability of flexible screen, has guaranteed user's experience effect. And can form the arc surface of multiple radius and arc length when making the laminating of flexible screen through a laminating tool, need not frequently replace the laminating tool, the material resources of using manpower sparingly.
Drawings
The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
FIG. 1 is a schematic structural view of a flexible screen in an expanded state;
FIG. 2 is a schematic structural view of the flexible screen in a folded 180 degree state;
3-5 are schematic structural diagrams of different attaching jigs adopted when the flexible screen is attached at different folding angles;
FIG. 6 is a schematic structural diagram of an exemplary embodiment of a flexible screen attaching jig according to the present invention in an unfolded state;
FIG. 7 is a structural schematic diagram of the flexible screen in FIG. 6 showing the attaching jig being bent at a first angle;
FIG. 8 is a structural schematic diagram of the attaching jig of the flexible screen in FIG. 6 being bent at a second angle;
FIG. 9 is a schematic structural view of a flexible screen attachment jig according to another exemplary embodiment of the present invention in an unfolded state;
FIG. 10 is a schematic structural view of another exemplary embodiment of a flexible screen bonding jig according to the present invention in an unfolded state;
FIG. 11 is a schematic block flow diagram of an exemplary embodiment of a method of conforming a flexible screen of the present invention;
FIG. 12 is a schematic structural view of an exemplary embodiment of a method of attaching a flexible screen according to the present invention;
FIG. 13 is a schematic structural view of another exemplary embodiment of a method of conforming a flexible screen of the present invention;
FIGS. 14-16 are schematic structural views of steps of another exemplary embodiment of a method of attaching a flexible screen according to the present invention;
FIG. 17 is a schematic structural view of a further exemplary embodiment of a conformable tool of a flexible screen according to the present invention;
FIG. 18 is a schematic view of a partial curve fit;
FIG. 19 is a schematic view of a global curved surface fit;
fig. 20 is a schematic view of performing pre-curved surface deformation bonding.
The reference numerals of the main elements in the figures are explained as follows:
11. a first attachment plate; 12. a second attachment panel;
2. a gear; 21. a gear connecting plate;
31. a first leveling plate; 311. a groove; 312. leveling the strips; 32. a second flat plate; 321. a convex strip;
4. a screw;
5. a laminating roller;
7. a pressure applying assembly;
8. fitting a jig;
9. a flexible screen; 91. a first film layer; 92. a second film layer;
10. a fixing plate; 101. a shaft pin; 102. a lumbar circular hole; 103. and locking the screw.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
Referring to the structural schematic diagrams of the flexible screen shown in fig. 3-5, which adopt different attaching jigs when the flexible screen is attached at different folding angles; in fig. 3, the angle of the attaching jig 8 of the flexible screen 9 in a relatively flat state is small, the angle of the attaching jig 8 of the flexible screen 9 in fig. 4 in a relatively flat state is large, and the arc length of the arc surface formed by bending the attaching jig 8 of the flexible screen 9 in fig. 5 is long; because the arc length and the curved surface radius of a laminating tool 8 can not change, consequently, different laminating states just need not set up different laminating tools 8, extravagant manpower and materials, influence efficiency moreover.
The present exemplary embodiment first provides a flexible screen attaching jig, and referring to a schematic structural diagram of an extended state of an exemplary embodiment of the flexible screen attaching jig of the present invention shown in fig. 6, the flexible screen attaching jig may include a carrier, where the carrier may include a first attaching plate 11, a second attaching plate 12, an angle adjusting mechanism, and a leveling plate assembly; the first binding plate 11 has a first binding surface; the second attaching plate 12 has a second attaching surface, and the second attaching surface and the first attaching surface are coplanar or form a preset included angle; the angle adjusting mechanism is connected between the first attaching plate 11 and the second attaching plate 12; the leveling plate component is arranged on the first binding surface and the angle adjusting mechanism and the second binding surface, and the angle adjusting mechanism is used for adjusting the included angle between the first binding surface and the second binding surface, so that the leveling plate component forms an arc surface and changes the radius and the arc length of the arc surface.
In the present exemplary embodiment, the first attachment plate 11 is configured as a flat plate, and the first attachment plate 11 has a first attachment surface, which is a plane. The second attachment panel 12 is a flat plate, and the second attachment panel 12 has a second attachment surface, which is a plane. In a flattening state, the first binding surface and the second binding surface are coplanar; in the bending state, the first binding surface and the second binding surface form a preset included angle.
Be connected with angle adjustment mechanism between first attaching plate 11 and second attaching plate 12, angle adjustment mechanism can adjust first binding face and second binding face coplane or form and predetermine the contained angle, makes the flat board subassembly that covers on first binding face, angle adjustment mechanism and the second binding face form the arc surface and change the radius and the arc length of arc surface.
In the present exemplary embodiment, the angle adjusting mechanism may include four gears 2, the four gears 2 are sequentially arranged between the first abutting plate 11 and the second abutting plate 12, and two adjacent gears 2 are externally engaged with each other. The central axes of the four gears 2 are parallel to the first attaching surface and parallel to the end surface of the first attaching plate 11 close to the second attaching plate 12; the central axes of the four gears 2 may be parallel to the second bonding surface and parallel to the end surface of the second bonding plate 12 close to the first bonding plate 11. The four gears 2 are identical.
The gear 2 close to the first attaching plate 11 is fixedly connected with the first attaching plate 11, and the gear 2 close to the second attaching plate 12 is fixedly connected with the second attaching plate 12. Specifically, a gear connecting plate 21 is assembled on a gear disc on one side, close to the first attaching plate 11, of the gear 2 close to the first attaching plate 11, the gear connecting plate 21 is fixedly connected with the first attaching plate 11 through screws 4, a gear connecting plate 21 is welded on one side, close to the second attaching plate 12, of the gear 2 close to the second attaching plate 12, and the gear connecting plate 21 is fixedly connected with the second attaching plate 12 through screws 4. The gear connection plate 21 may also be interference fitted on the gear shaft of the gear 2.
Referring to fig. 6, in the flattened state, the highest positions of the four gears 2 close to the tooth tops of the first flattening plate 31 are coplanar with the first abutting surface and the second abutting surface, so as to provide a relatively flat surface for the first flattening plate 31, and avoid the first flattening plate 31 from generating a rugged condition.
It will be appreciated that in other example embodiments of the invention, the number of gears 2 may be provided as three, five, six or more. And the gear 2 is arranged into a detachable structure, so that the gear 2 can be detached or installed as required. One value in the number of gear 2 and the diameter (the addendum circle diameter) of gear 2 is fixed, and another value increases, or when two values all increased, the arc length increase of the cambered surface that forms when this laminating tool of flexible screen bends to the same angle of settlement. Therefore, the number of gears 2 and the diameter of the gears 2 can be set as necessary.
The first flat plate 31 is disposed on the first bonding surface, the angle adjustment mechanism, and the second bonding surface, and the material of the first flat plate 31 is rubber, for example, natural rubber, styrene butadiene rubber, or butadiene rubber, which has good elasticity. The first flat plate 31 can absorb a step at the gear 2. A second flat plate 32 is provided on a side of the first flat plate 31 remote from the first bonding plate 11, the angle adjustment mechanism, and the second bonding plate 12, and the second flat plate 32 is made of a metal layer, for example, copper, aluminum, or the like. The metal layer can provide a flat rigid plane for the flexible screen. The leveling plate assembly covers the first attaching surface and the second attaching surface, and it can be understood that the leveling plate assembly covers at least a part of the first attaching surface and the second attaching surface.
Referring to fig. 7, when the attaching jig of the flexible screen is bent to the first angle α 1, the center of the formed curved surface is at point O, that is, point O is the center of the arc formed by the multiple gears, and the geometric relationship may include:
2RshaftsinA＝B，
6A+α1＝π，
R＝t1+t2+RGear 2+RShaft，
L＝6A*π*R/180°，
Wherein B is the distance between the central axes of two adjacent gears 2, and is a known fixed value; a is one half of the central angle corresponding to the axes of the two adjacent gears 2; rShaftIs the radius corresponding to the centre of the gear 2; r is the radius corresponding to the curved surface formed by the second flat plate 32; rGear wheelThe radius of the addendum circle of the gear 2 is a known fixed value, and α 1 is a first angle of bending and is a known set valueFixing the value; t1 is the thickness of the first flat plate 31, which is a known fixed value; t2 is the thickness of the second flat plate 32, a fixed known value; l is the arc length of the arc formed by the second flat plate 32.
A, R can be calculated by the above-mentioned geometric relationshipShaftR and L.
Referring to fig. 8, the attaching jig of the flexible screen is bent to a second angle α 2, α 2 is greater than α 1, at this time, the center of the formed curved surface is at O', and it is obvious that the radius of the curved surface at this time is greater than the radius of the curved surface at the first angle, but the arc length is smaller. The included angle of the first attaching plate 11 and the second attaching plate 12 can be adjusted to a set angle through the angle adjusting mechanism, and after the included angle of the first attaching plate 11 and the second attaching plate 12 is changed, the A, R axis, the R axis and the L axis can be changed.
It should be noted that the angle adjustment mechanism may include a plurality of cylinders, i.e., a cylinder may be used instead of a gear. Part of the cylindrical surfaces of the cylinders are arranged into a structure of a partial gear, namely, the gear structure is arranged at the part needing to be meshed between two adjacent cylinders, and the part not meshed is also arranged into a smooth cylindrical surface.
In addition, the structure of the flat plate assembly is not limited to the above description, and as shown in fig. 9, a plurality of grooves 311 are uniformly formed on one surface of the first flat plate 31 close to the second flat plate 32, the longitudinal direction of the grooves 311 is parallel to the axial direction of the gear 2, that is, the plurality of grooves 311 extend in the axial direction of the gear 2, the respective grooves 311 penetrate through opposite end surfaces of the first flat plate 31, and the cross section of the grooves 311 perpendicular to the axial direction of the gear 2 is rectangular. One surface of the second flat plate 32 close to the first flat plate 31 is uniformly provided with a plurality of convex strips 321, the convex strips 321 are matched with the grooves 311, namely, the cross sections of the convex strips 321 perpendicular to the axial direction of the gear 2 are also rectangular, the heights of the convex strips 321 are the same as the depths of the grooves 311, the widths of the convex strips 321 are the same as the widths of the grooves 311, the length directions of the convex strips 321 are parallel to the axial direction of the gear 2, and each convex strip 321 penetrates through two opposite end surfaces of the second flat plate 32.
Referring to fig. 10, the leveling plate assembly may include a plurality of leveling bars 312 and a second leveling plate 32, the plurality of leveling bars 312 are disposed parallel to each other, and a length direction of the leveling bars 312 is parallel to an axial direction of the gear 2, that is, the leveling bars 312 extend in the axial direction of the gear 2, and a cross section of the leveling bars 312 perpendicular to the axial direction of the gear 2 is rectangular; one surface of the second flat plate 32 close to the flat strips 312 is uniformly provided with a plurality of protruding strips 321, the protruding strips 321 are located in the gap between two adjacent flat strips 312, and the protruding strips 321 are matched with the gap between two adjacent flat strips 312, that is, the height of the protruding strips 321 is the same as that of the flat strips 312, so that the overall thickness of the flat plate assembly is consistent everywhere, and one flat strip 312 is arranged between two adjacent protruding strips 321, that is, the distance between two adjacent protruding strips 321 is the same as the width of the flat strips 312, the length direction of the protruding strips 321 is parallel to the axial direction of the gear 2, and the protruding strips 321 penetrate through two opposite end faces of the second flat plate 32. The material of the leveling strip 312 is rubber, and may be rubber having good elasticity, such as natural rubber, styrene butadiene rubber, and butadiene rubber. The second flat plate 32 is made of metal, and may be made of copper, aluminum, or the like.
In the above-described exemplary embodiment of fig. 9 and 10, the first flat plate 31 and the second flat plate 32 may be formed together, the flat bar 312 and the second flat plate 32 may be formed together, the groove 311 and the flat bar 312 may be formed by etching, and the end portions may have a certain rounded angle.
Referring to fig. 12 to 16, the bonding jig may further include a roller mechanism, where the roller mechanism is disposed on one side of the leveling plate assembly away from the first bonding plate 11, the angle adjusting mechanism, and the second bonding plate 12, that is, the roller mechanism and the leveling plate assembly may be disposed opposite to each other. The roller mechanism can be used for laminating the film layer covered on the leveling plate assembly.
Specifically, the roller mechanism may include a support frame, a movement driving assembly, a pressing assembly 7, and the application roller 5. The moving driving assembly is fixed on the supporting frame and can be used for driving the laminating roller 5 to move linearly; the movable driving assembly can be an electric cylinder, an oil cylinder or an air cylinder and the like, and can also adopt a gear 2-rack structure, specifically, a rack is fixed on a support, the extending direction of the rack is the same as the linear movement direction of the laminating roller 5, the gear 2 is meshed with the rack, the gear 2 is driven to rotate by a driving motor, the gear 2 drives the rack to do linear movement, and therefore the laminating roller 5 is driven to do linear movement.
In the present exemplary embodiment, the pressing assembly 7 may be an electric cylinder, an oil cylinder, an air cylinder, or the like, for example, the electric cylinder may be fixed on the rack, and the electric cylinder has a driving end, i.e., a pressing end, and the driving end may extend in a direction perpendicular to the extending direction of the rack. When the laminating roller 5 is in contact with the film, the pressure output by the electric cylinder can be increased by increasing the current of the electric cylinder, so that the pressure output by the laminating roller 5 is increased.
The application roller 5 can be mounted at the driving end of the electric cylinder through a bearing, so that the application roller 5 can rotate relative to the pressing assembly 7, and the central axis of the application roller 5 is perpendicular to the extending direction of the driving end.
In addition, the roller mechanism may further include a rotation driving assembly connected between the moving driving assembly and the pressing assembly 7 for driving the pressing assembly 7 and the applying roller 5 to rotate. The rotary driving assembly can adopt a rotary motor, the rotary motor is fixed on the rack, and the electric cylinder is fixed on a rotating shaft of the rotary motor. The rotating motor drives the electric cylinder to rotate, and the electric cylinder drives the laminating roller 5 to rotate relative to the support.
Referring to fig. 17, the stage is simplified, and the roller mechanism may further include two bonding rollers, and of course, two sets of two bonding rollers, namely, a moving driving assembly, a pressing assembly, and a rotating driving assembly, are required for control.
In addition, the laminating tool can also include the controller, and the gear rack structure as removing drive assembly can be controlled to the controller, and the rotational speed of the pivoted driving motor of main control drive gear can control the linear motion speed of laminating roller 5. The rotating motor serving as a rotary driving assembly can be controlled, and the rotating speed and the rotating angle of the rotating motor are mainly controlled, namely the rotating speed and the rotating angle of the whole electric cylinder and the laminating roller 5 can be controlled. Also can control as the electronic jar of subassembly 7 that exerts pressure, the flexible length of electronic jar of main control makes laminating roller 5 just lean on with the rete, adjusts the electric current of electronic jar moreover, adjusts the pressure of electronic jar output to the pressure of adjusting laminating roller 5 output.
The gear 2 has a self-locking function, so that a locking mechanism is not required. Of course, a locking mechanism may also be provided for better locking effect.
Therefore, the attaching jig may further include a locking mechanism, and the locking mechanism is configured to fix the first attaching plate 11 and the second attaching plate 12 after the first attaching surface and the second attaching surface form a preset included angle. The locking mechanism can comprise a fixing plate 10, the fixing plate 10 is connected to one end, far away from the angle adjusting mechanism, of the first attaching plate 11, a first through hole is formed in the fixing plate 10, a second through hole is formed in the first attaching plate 11, and the fixing plate 10 and the first attaching plate 11 can be rotatably connected through a shaft pin 101 penetrating through the first through hole and the second through hole; this fixed plate 10 still connects the one end of keeping away from angle adjustment mechanism at second rigging board 12, be provided with waist round hole 102 on fixed plate 10, the extending direction in waist round hole 102 is the same with the adjustment direction of second rigging board 12, be provided with the third through-hole on second rigging board 12, locking screw 103 runs through third through-hole and waist round hole 102 and can fix first rigging board 11 and second rigging board 12 through nut locking, loosen the nut when needing to adjust, after the inclination of second rigging board 12 has been adjusted, can fix first rigging board 11 and second rigging board 12 once more with nut locking.
In addition, through holes (not shown in the figure) can be formed in the first attaching plate 11, the second attaching plate 12, the first flat plate 31 and the second flat plate 32, the through holes in the first attaching plate 11, the second attaching plate 12, the first flat plate 31 and the second flat plate 32 are communicated with each other up and down correspondingly, the through holes are communicated with an adsorption console (not shown in the figure), and in the attaching process, the membrane material placed on the second flat plate 32 is adsorbed by the adsorption console.
It will be appreciated that the predetermined included angle may be the optimum angle of fit for the flexible screen 9. For example, the flexible screen 9 is attached at a preset included angle, which may enable the deformation amount of the flexible screen 9 in the attached state to be between the deformation amounts in two extreme states when the flexible screen 9 is used after being attached, that is, the flexible screen 9 is attached at the preset included angle, and the deformation amount Δ in the attached state is between the deformation amount Δ 1 of the flexible screen 9 in the unfolded state and the deformation amount Δ 2 of the flexible screen 9 in the fully folded state, for example, Δ 1, and Δ 2 may satisfy Δ ═ of (Δ 1+ Δ 2)/2; or the preset included angle may enable Δ, Δ 1, and Δ 2 to be within a reasonable preset deformation range, for example, the preset included angle may enable Δ, Δ 1, and Δ 2 to be within a range of-1% to 1%.
The preset included angles corresponding to different flexible screens 9 may be the same or different, and the preset included angles may be obtained by calculation (for example, calculation according to mechanical parameters of materials, and the like), test, simulation, and the like. For example, the deformation amount Δ of the flexible screen 9 in a specific fitting state and the deformation amounts Δ 1 and Δ 2 of the flexible screen 9 in two limit states may be obtained through some testing methods, and finally, the corresponding optimal fitting angle, that is, the preset included angle, of the flexible screen 9 may be obtained, so that the deformation amount of the flexible screen 9 fitted at the preset angle satisfies a certain condition, for example, Δ ═ Δ 1+ Δ 2)/2 may be satisfied; the above-mentioned testing method may be a strain gauge measuring method (measuring by adhering a strain gauge to the flexible screen 9), an optical speckle measuring method (DIC, using optical strain measuring equipment), or the like, to obtain the above-mentioned deformation amount to be compared, so as to obtain the preset included angle corresponding to the flexible screen 9.
The flat plate component forms an arc surface, and the radius and the arc length of the arc surface can be changed; the attaching state of the flexible screen 9 can be between the unfolding state and the completely folding state of the flexible screen 9, so that in the attaching process of the flexible screen 9, the strain of the flexible screen 9 is only the strain of a single-layer film material, the strain between layers is almost 0, namely, the layers basically have no dislocation, compared with the plane attaching mode in the traditional technology, the deformation of the flexible screen 9 in the application in the intermediate state and the interaction force between two adjacent layers of film materials, namely the interlayer acting force are all smaller than the deformation and the interlayer acting force of the flexible screen 9 in the traditional technology when being bent to the same state, and the maximum deformation of the flexible screen 9 in the traditional technology is generally between 1% and 2%, when the flexible screen 9 in the application is used and the flexible screen 9 is adjusted to the limit state (unfolding or completely folding), the deformation of the flexible screen 9 in the limit state can be reduced, reduced the stress strain of flexible screen 9 under extreme condition, then reduced the deflection of flexible screen 9 in multiple fold condition between two extreme conditions equally, and then played the effect of protection membrane material, guaranteed the reply performance of membrane material, promoted the reply performance of the module that the laminating of multilayer membrane material formed, promoted the reliability of module, promoted the reliability of flexible screen 9, guaranteed user's experience effect. Moreover, the flexible screen 9 can form arc surfaces with various radiuses and arc lengths when being attached through one attaching jig, the attaching jig does not need to be replaced frequently, and manpower and material resources are saved.
Further, the present exemplary embodiment also provides a method for attaching a flexible screen, in which the attaching jig described above is used to perform the attaching, as shown in fig. 11. The attaching method may include the steps of:
step S10, adjusting the first attaching plate 11 and the second attaching plate 12 to a preset included angle, so that the flat plate assembly forms an arc surface, and the radius and the arc length of the arc surface are both set values.
Step S20, placing the first film layer 91 on a surface of the flat board assembly away from the first attachment plate 11, the angle adjustment mechanism, and the second attachment plate 12.
Step S30, a second film 92 is placed on a side of the first film 91 away from the flat plate assembly.
Step S40, the second film 92 and the first film 91 are pressed together by a roller mechanism.
In this exemplary embodiment, after the first attaching plate 11 and the second attaching plate 12 are adjusted to the preset included angle, the leveling plate assembly forms an arc surface, the controller can obtain the value of the included angle, and then calculate the arc length L and the radius R of the arc surface formed by the second leveling plate 32 according to the included angle value, so as to obtain the surface line of the attaching film layer of the leveling plate assembly, and the radius value of the attaching roller 5, which is moved up from the surface line, is the trajectory line m of the attaching roller 5. The controller controls the roller mechanism through the trajectory line.
In the present exemplary embodiment, the pressing force of the roller mechanism on the second film layer 92 needs to be kept consistent, so that the adhesive force and the adhesive thickness of the second film layer 92 and the first film layer 91 are consistent.
In the present exemplary embodiment, as shown in fig. 12, the stage may be kept stationary, and the bonding roller 5 of the roller mechanism rolls on the second film layer 92 to press the second film layer 92; the pressing assembly 7 of the roller mechanism keeps a vertical direction, and the pressure output by the roller mechanism can be adjusted in order to keep the pressing force of the roller mechanism on the second film layer 92 consistent; specifically, the smaller the (acute angle) angle formed between the application roller 5 and the second film layer 92, the greater the pressure required; conversely, the greater the (acute) angle formed between the application roller 5 and the second film layer 92, the less pressure is required.
In another exemplary embodiment of the present invention, referring to fig. 13, the stage may be kept stationary, and the bonding roller 5 of the roller mechanism rolls on the second film layer 92 to press the second film layer 92; the inclination angle of the pressing assembly 7 of the roller mechanism can be adjusted to keep the pressing assembly 7 perpendicular to the second film 92, and in this case, the pressure output by the roller mechanism can be kept unchanged, i.e. the pressing force of the roller mechanism on the second film 92 can be kept consistent.
In still another exemplary embodiment of the present invention, as shown with reference to fig. 14 to 16, the pressing assembly 7 of the roller mechanism is always maintained in a vertical direction. When the planar portion is pressed, the carrier may be rotated to keep the planar portion of the second film layer 92 horizontal, and then the carrier may be kept stationary, and the roller mechanism keeps moving linearly to press the planar portion of the second film layer 92. When the pressing of the plane part is finished and the pressing of the curved surface part is carried out, the roller mechanism is kept still, the carrier rotates by taking the center O of the arc surface as the center, the rotating direction is marked by an arrow in fig. 15, and the linear speed of the rotation of the carrier is the same as the linear speed of the linear motion of the roller mechanism. When the pressing of the curved surface part is completed and the pressing of the next section of the plane part is performed, the carrier platform keeps the position which is rotated last time still, and the roller mechanism keeps linear motion to perform the pressing of the next section of the plane part of the second film layer 92.
Referring to fig. 18 and 19, the bonding jig can also perform bonding of a local curved surface 16 and a whole curved surface 17, and when the local curved surface 16 is bonded, the jig can be connected with a planar jig, the longer adaptive plane of the first bonding plate 11 can be bonded, and the second bonding plate 12 and the angle adjusting mechanism can be arranged on both sides of the first bonding plate 11, so that bonding of two curved surfaces and one plane can be realized. Referring to fig. 20, the bonding jig may also be used for pre-deforming a single film to form a pre-curved surface 18 and bonding after pre-deformation, for example, the second film may be a curved surface or a flat surface, and the second film may be formed into a curved surface by any one of the above bonding jigs.
The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments, and the features discussed in connection with the embodiments are interchangeable, if possible. In the above description, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". Other relative terms, such as "high", "low", "top", "bottom", and the like, are also intended to have similar meanings. When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.
In this specification, the terms "a", "an", "the" and "the" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first," "second," and "third," etc. are used merely as labels, and are not limiting on the number of their objects.
It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the description. The invention is capable of other embodiments and of being practiced and carried out in various ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute alternative aspects of the present invention. The embodiments described in this specification illustrate the best mode known for carrying out the invention and will enable those skilled in the art to utilize the invention.
Claims (12)
1. A fitting jig for a flexible screen is characterized by comprising a carrying platform; the carrier includes:
the first binding plate is provided with a first binding surface;
the second binding plate is provided with a second binding surface, and the second binding surface and the first binding surface are coplanar or form a preset included angle;
the angle adjusting mechanism is connected between the first attaching plate and the second attaching plate;
the leveling plate component is arranged on the first binding surface, the angle adjusting mechanism and the second binding surface;
the angle adjusting mechanism is used for adjusting an included angle between the first binding surface and the second binding surface, so that the leveling plate assembly forms an arc surface and the radius and the arc length of the arc surface are changed.
2. The attaching jig of the flexible screen according to claim 1, wherein the angle adjusting mechanism comprises:
a plurality of gears, arrange in proper order in between first rigging board and the second rigging board, and adjacent two the gear intermeshing is close to first rigging board the gear with first rigging board fixed connection is close to the second rigging board the gear with second rigging board fixed connection.
3. The flexible screen's laminating tool of claim 2, characterized in that, the flattening plate subassembly includes:
the first flat plate is arranged on the first attaching plate, the angle adjusting mechanism and the second attaching plate;
the second flat plate is arranged on one side, far away from the first attaching plate, the angle adjusting mechanism and the second attaching plate, of the first flat plate;
the first flat plate is made of rubber, and the second flat plate is made of metal.
4. The attaching jig for the flexible screen according to claim 3, wherein a plurality of grooves extending in the axial direction of the gear are formed in one surface of the first flat plate close to the second flat plate, the plurality of grooves are arranged in parallel, a plurality of protruding strips extending in the axial direction of the gear are formed in one surface of the second flat plate close to the first flat plate, and the protruding strips are matched with the grooves.
5. The flexible screen's laminating tool of claim 2, characterized in that, the flattening plate subassembly includes:
the plurality of leveling strips are arranged on the first attaching plate, the angle adjusting mechanism and the second attaching plate, extend along the axial direction of the gear and are arranged in parallel;
the second flat plate is arranged on one side, far away from the first attaching plate, the angle adjusting mechanism and the second attaching plate, of the flat strips, a plurality of convex strips extending in the axial direction of the gear are arranged on one surface, close to the flat strips, of the second flat plate, the convex strips are located in gaps between every two adjacent flat strips, and the convex strips are matched with the gaps between every two adjacent flat strips;
the material of the leveling strip is rubber, and the material of the second leveling plate is metal.
6. The attaching jig of the flexible screen according to claim 1, further comprising:
the roller mechanism is arranged on one side of the leveling plate assembly, which is far away from the first attaching plate, the angle adjusting mechanism and one side of the second attaching plate, and the roller mechanism is used for laminating the film layer covered on the leveling plate assembly.
7. The attaching jig for a flexible screen according to claim 6, wherein the roller mechanism comprises:
a support frame;
the movable driving assembly is fixed on the support frame;
the pressing assembly is connected to the moving driving assembly and is provided with a pressing end;
the laminating roller is rotatably connected to the pressure applying end;
the movable driving assembly is used for driving the laminating roller to move linearly, and the pressing assembly is used for outputting pressure to the laminating roller.
8. The attaching jig for a flexible screen according to claim 7, wherein the roller mechanism further comprises:
and the rotating driving assembly is connected between the moving driving assembly and the pressing assembly and is used for driving the pressing assembly and the laminating roller to rotate.
9. The attaching jig for the flexible screen according to any one of claims 1 to 8, further comprising:
and the locking mechanism is used for fixing the first attaching plate and the second attaching plate after the first attaching surface and the second attaching surface form a preset included angle.
10. A method for attaching a flexible screen by using the attaching jig according to any one of claims 6 to 9, comprising:
adjusting the first attaching plate and the second attaching plate to a preset included angle, so that the flat plate assembly forms an arc surface, and the radius and the arc length of the arc surface are set values;
placing a first film layer on one surface of the flat plate assembly, which is far away from the first attaching plate, the angle adjusting mechanism and the second attaching plate;
placing a second film layer on one surface of the first film layer, which is far away from the flat plate component;
and pressing the second film layer and the first film layer through a roller mechanism.
11. The method of claim 10, wherein the laminating the second film layer and the first film layer by a roller mechanism comprises:
adjusting the inclination angle of the roller mechanism to enable the force application direction of the roller mechanism to be perpendicular to the first binding surface, the second binding surface and the arc surface; or
Adjusting the output pressure of the roller mechanism to keep the laminating force of the roller mechanism on the second film layer unchanged; or
When the planar part of the second film layer is pressed, the carrying platform is kept still, and the roller mechanism performs linear motion; when the curved surface part of the second film layer is pressed, the roller mechanism is kept still, and the carrying platform rotates.
12. The attaching method of the flexible screen according to claim 10, wherein the second film layer is a curved surface or a flat surface, and the second film layer is formed into a curved surface by the attaching jig according to claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010555596.7A CN111532009A (en) | 2020-06-17 | 2020-06-17 | Attaching jig and attaching method for flexible screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010555596.7A CN111532009A (en) | 2020-06-17 | 2020-06-17 | Attaching jig and attaching method for flexible screen |
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| CN111532009A true CN111532009A (en) | 2020-08-14 |
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| CN202010555596.7A Pending CN111532009A (en) | 2020-06-17 | 2020-06-17 | Attaching jig and attaching method for flexible screen |
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