CN109435409A - A kind of film pressing device and applying method of Mobile phone screen - Google Patents
A kind of film pressing device and applying method of Mobile phone screen Download PDFInfo
- Publication number
- CN109435409A CN109435409A CN201811514197.5A CN201811514197A CN109435409A CN 109435409 A CN109435409 A CN 109435409A CN 201811514197 A CN201811514197 A CN 201811514197A CN 109435409 A CN109435409 A CN 109435409A
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- China
- Prior art keywords
- carrier band
- cover sheet
- curved surface
- flexible membrane
- surface cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000003825 pressing Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000012528 membrane Substances 0.000 claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims description 14
- 230000000630 rising effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 5
- 230000002950 deficient Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
-
- 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
- B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
- B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
-
- 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
- B32B37/1018—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 using only vacuum
-
- 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
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Quality & Reliability (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention discloses the film pressing device and applying method of a kind of Mobile phone screen, including placement platform, curved surface cover sheet, flexible membrane, carrier band, lifting pressurization part；For placing curved surface cover sheet, flexible membrane is placed on carrier band placement platform, and carrier band is set as the plate-like structure of elastomeric flexible, and carrier band is placed in lifting pressurization part, and flexible membrane and curved surface cover sheet are correspondingly arranged up and down；Lower chamber is additionally provided with a pair of of pressurizing unit, and the two sides of lifting pressurization part are arranged in pressurizing unit；The upper cavity is additionally provided with the limiting device, limiting device limitation carrier band end positions；The defects of present invention is directed to the curved surface cover sheet with angle curved edge and carries out flexible membrane fitting, and flexible membrane is avoided to generate bubble fold during fitting；Under the action of limiting device, the first contact at flexible membrane end and curved surface cover sheet curved edges position is avoided, the defective products of production is reduced.
Description
Technical field
The present invention relates to Mobile phone screen manufacture technology fields, and in particular to a kind of film pressing device and applying method of Mobile phone screen.
Background technique
Currently, curve screens have gradually been applied on smart phone.For large-screen mobile phone, curve screens are more
Add convenient for operation, visual effect is more preferably.For gradually burning hot wearable device, curve screens are even more the trend and certainty developed
Trend.
For the production equipment of existing camber display screen, when flexible membrane and curved surface cover sheet are bonded, to the flexibility
Film need to be supported by carrier band flexible, and carrier band flexible need to be by the multiple adjustment of pressurizing unit to be at tensioning shape
State improves the quality of product to improve formation state of the flexible membrane in fitting；But repeatedly adjustment causes complicated for operation, by
In the flexible material of itself, situations such as being still likely to occur fold after the adjustment is carried.
In view of the defect, creator of the present invention obtains the present invention by prolonged research and practice finally.
Summary of the invention
To solve the technological deficiency, the technical solution adopted by the present invention is, provides a kind of film pressing device of Mobile phone screen,
Including upper cavity and lower chamber, the upper cavity and the lower chamber are equipped with, and the upper cavity and the lower chamber are equal
It can move up and down；The upper cavity is provided with placement platform and curved surface cover sheet, and the lower chamber is provided with flexible membrane, carries
Band, lifting pressurization part；For the placement platform for placing the curved surface cover sheet, the flexible membrane is placed on the carrier band
On, described to carry the plate-like structure for being set as elastomeric flexible, the carrier band is placed in the lifting pressurization part, the flexibility
Film and the curved surface cover sheet are correspondingly arranged up and down；Pass through the height and position tune of the placement platform and the lifting pressurization part
Section, realizes the fitting between the flexible membrane and the curved surface cover sheet；
The lower chamber is additionally provided with a pair of of pressurizing unit, and the two of the lifting pressurization part are arranged in the pressurizing unit
Side, the pressurizing unit include crushing block, and the crushing block is set as plate and is arranged on two guide rails, the crushing block and institute
The corresponding surface width and the carrier band for stating lifting pressurization part are correspondingly arranged, the lifting pressurization part be arranged two guide rails it
Between, the crushing block can be by the guide rail away from or approaching the lifting pressurization part；
The upper cavity is additionally provided with the limiting device, and the limiting device corresponds to the carrier band setting, the limit
Device is used to limit the carrier band end position when the flexible membrane and the curved surface cover sheet are bonded.
Preferably, the limiting device includes fixed plate, limit plate and cylinder, the fixed plate is fixed on described place and puts down
On platform, the limit plate is fixed at the telescopic rod end of the cylinder, and the cylinder is fixed in the fixed plate,
The relative position of the limit plate Yu the mounting groove is adjusted by the cylinder；The limit plate is symmetricly set on the song
The two sides of face cover sheet, and the limit plate corresponds to the curved edge setting of the curved surface cover sheet.
Preferably, the limit plate bottom end exceeds downwards the placement platform bottom end face.
Preferably, the crushing block is correspondingly arranged with the corresponding surface size of the lifting pressurization part and the carrier band.
Preferably, the crushing block, which corresponds to the carrier band, is provided with clamping groove, the clamping groove is arranged in the crushing block
On the side of the corresponding lifting pressurization part, the clamping groove is for being clamped the end for limiting the carrier band；The clamping groove packet
Include the upper card access surface and lower card access surface that angle is acute angle.
Preferably, the lower card access surface is set as horizontal plane, the upper card access surface is obliquely installed.
Preferably, the lifting pressurization part includes the pressing block and lifter plate；The lifter plate can drive fixed setting
The movement of raising and lowering is carried out in the pressing block on the lifter plate；The pressing block is for above pushing away the carrier band, institute
It states the contact surface contacted on the upside of pressing block with the carrier band bottom surface and is set as arcwall face, the arcwall face shape setting of the contact surface
For center is set as highest between two curved edges on the corresponding curved surface cover sheet, and protects closer to the curved surface
The curved edge curvature of protecting cover plate is lower.
Preferably, the pressing block is made of the silica gel of elastically deformable, the width of the pressing block upper side from
It is gradually become smaller under, the side that the pressing block corresponds to the flexible membrane both ends is set as inner concavity.
Preferably, the pressing block is set as the foamed silica gel material with tiny stomata, the pressing block passes through limit type
Seat is fixed on the lifter plate.
Preferably, a kind of applying method of the film pressing device using the Mobile phone screen, comprising steps of
The flexible membrane is attached on the carrier band by S1, and the curved surface cover sheet is placed on the placement platform
On；
S2 passes through the fixed carrier band end for being pasted with the flexible membrane of the pressurizing unit；
S3 is pushed up the carrier band until by the carrier band and the pressing block by rising the pressing block for the first time
It is close to, and the carrier band is in preliminary bending state；
S4 by rising the pressing block for the second time, and by the decline for adjusting the pressurizing unit and is moved horizontally, is made
The carrier band makes the carrier band in the curved surface cover sheet in bending state again；
S5, the upper cavity and lower chamber contraposition closure form closed space, and take out to the closed space
Vacuum is to setting vacuum values；
S6 makes the pressing block middle section contact the curved surface protection at first by rising the pressing block for the third time
Cover board；
S7, in the continuous uphill process of the pressing block, the pressurizing unit releases the restriction state to the carrier band,
The limiting device carries out position limitation to the carrier band end of rebound, and the flexible membrane is gradually fitted in the curved surface protection
Until the flexible membrane and the curved surface cover sheet are completely bonded on cover board；
S8 declines the force fit plate, and releases limitation of institute's clamping device to the carrier band end, the flexible membrane, institute
Carrier band and the curved surface cover sheet are stated on the placement platform, by the separation of the upper cavity and the lower chamber from
And vacuum state is released, the carrier band is removed from the flexible membrane, to be finally completed the fitting of the display device.
The beneficial effects of the present invention are: the present invention to be directed to the song with angle curved edge compared with the prior art
Face cover sheet carries out the flexible membrane fitting, makes gradually fitting of the flexible membrane in the curved surface cover sheet, avoids
The flexible membrane generates the bad defects such as bubble fold during fitting；Meanwhile under the action of the limiting device, avoid
First contact at the flexible membrane end and the curved surface cover sheet curved edges position, reduces the defective products of production.
Detailed description of the invention
Fig. 1 is the non-fit-state perspective view of the film pressing device of Mobile phone screen of the present invention；
Fig. 2 is the fit-state perspective view of the film pressing device of Mobile phone screen of the present invention；
Fig. 3 is the partial sectional view of the non-fit-state of the film pressing device of Mobile phone screen of the present invention；
Fig. 4 is the local structural graph of the fit-state of the film pressing device of Mobile phone screen of the present invention；
Fig. 5 is the partial sectional view of the fit-state of the film pressing device of Mobile phone screen of the present invention.
Digital representation in figure:
1- placement platform；2- curved surface cover sheet；3- flexible membrane；4- carrier band；5- goes up and down pressurization part；6- pressurizing unit；7-
Limiting device；8- lifting device；9- guide rail；10- drive motor；21- curved edge；51- pressing block；52- lifter plate；61- is squeezed
Briquetting；62- clamping groove；71- fixed plate；72- limit plate；73- cylinder.
Specific embodiment
Below in conjunction with attached drawing, technical characteristic and advantage of the present invention and other are described in more detail.
Embodiment one
As depicted in figs. 1 and 2, Fig. 1 is the non-fit-state perspective view of the film pressing device of Mobile phone screen of the present invention；Fig. 2
For the fit-state perspective view of the film pressing device of Mobile phone screen of the present invention；It fitting in Fig. 1 and Fig. 2 and does not fit into described soft
It fitting between property film and the curved surface cover sheet and is not bonded.
The film pressing device of Mobile phone screen of the present invention includes upper cavity and lower chamber, and the upper cavity and the lower chamber are matched
Setting is closed, and the upper cavity and the lower chamber can move up and down；When the upper cavity and the lower chamber are closed, institute
It states and forms closed space in upper cavity and the lower chamber；The upper cavity is provided with placement platform 1 and curved surface cover sheet 2,
The lower chamber is provided with flexible membrane 3, carrier band 4, lifting pressurization part 5；The placement platform 1 is for placing the curved surface protection cap
Plate 2, the flexible membrane 3 are placed on the carrier band 4, and the carrier band 4 is placed in the lifting pressurization part 5, the flexible membrane 3
It is correspondingly arranged with about the 2 curved surface cover sheet；Pass through the height and position of the placement platform 1 and the lifting pressurization part 5
It adjusts, to realize the fitting between the flexible membrane 3 and the curved surface cover sheet 2.
Using the flexible slab shape material with certain elasticity, the flexible membrane 3 is traditionally arranged to be flexible aobvious the carrier band 4
The functionality such as display screen, flexible touch screen, flexible heat sink or decorative membrane material；The curved surface cover sheet 2 is generally glass
The materials such as material, plastics, ceramics, the curved surface cover sheet 2 are provided with curved edge 21,21 He of curved edge in long side
There is certain angle between the curved surface cover sheet 2；It is corresponding, 3 size of flexible membrane and the curved surface cover sheet 2
Dimensional fits setting, the flexible membrane 3 can be fitted in the inner surface that the curved surface cover sheet 2 includes the curved edge 21
On.
The lower chamber is additionally provided with a pair of of pressurizing unit 6, and the lifting pressurization part 5 is arranged in the pressurizing unit 6
Two sides, and the pressurizing unit 6 can limit the both ends of the carrier band 4；By adjusting the pressurizing unit 6 and lifting pressurization
Position between portion 5, to realize that stablizing for 51 contact surface of pressing block is bonded in the carrier band 4 and the lifting pressurization part 5, just
It presses in the pressing block 51 to the carrier band 4, the flat carrier band 4 is made to form biggish crooked radian, thus
Realize the fitting of the flexible membrane 3 and the curved surface cover sheet 2.
The upper cavity is additionally provided with the limiting device 7, corresponding 4 setting of carrier band of the limiting device 7, the limit
Position device 7 is used to fix or limit the end positions of the carrier band 4, so that the carrier band 4 and the pressing block 51 be made to maintain patch
It closes, during the flexible membrane 3 can be made to be bonded the curved surface cover sheet 2, from the center of the flexible membrane 3 to the curved surface
21 direction of curved edge of cover sheet 2 is gradually bonded, to improve fitting effect；The limiting device 7 is to the load simultaneously
Restriction effect with 4 end positions guarantees the bending effect of the flexible membrane 3 on the carrier band 4 and the carrier band 4, thus
The first contact for avoiding the flexible membrane 3 and the curved surface cover sheet curved edge 21, reduces the fraction defective of product.
Specifically, the flexible membrane 3 is fitted in the curved surface and protects by the film pressing device of the Mobile phone screen through the invention
On cover board 2 and guarantee the flexible membrane 3 and the curved surface cover sheet 2 curved edge 21 at be bonded completely, avoid described
The first contact of 2 curved edge 21 of flexible membrane 3 and the curved surface cover sheet.
In general, after completing fitting, the flexible membrane 3 setting the curved surface cover sheet 2 and the carrier band 4 it
Between；The geomery of the flexible membrane 3 and the curved surface cover sheet 2 is consistent, and the area size of the carrier band 4 is greater than institute
The area size of flexible membrane 3 is stated, to guarantee that the carrier band 4 can be by the pressurizing unit 6, the fixed limitation of the limiting device 7.
When the upper cavity and the lower chamber are closed, closed space is formed in the upper cavity and the lower chamber,
Vacuum pumping is carried out to the closed space, to make at the fitting process of the curved surface cover sheet 2 and the flexible membrane 3
It is carried out under vacuum state, forms display device after the fitting of the final curved surface cover sheet 2 and the flexible membrane 3.
Embodiment two
As shown in Fig. 3, Fig. 4 volume and Fig. 5, Fig. 3 is the office of the non-fit-state of the film pressing device of Mobile phone screen of the present invention
Portion's cross-sectional view；Fig. 4 is the local structural graph of the fit-state of the film pressing device of Mobile phone screen of the present invention；Fig. 5 is institute of the present invention
State the partial sectional view of the fit-state of the film pressing device of Mobile phone screen.The placement platform 1 is used to support the curved surface protection cap
Plate 2, the placement platform 1 are arranged generally rectangular cross-section and have certain thickness；The placement platform 1 in the closed space
The lifting device 8 in portion connects, and can be declined the placement platform 1 to 5 direction of lifting pressurization part by the lifting device 8
It is mobile.5 top of lifting pressurization part is provided with the pressing block 51；The pressing is adjusted by the lifting pressurization part 5
The height of block 51.
The lower end surface of the placement platform 1 is provided with the mounting groove for accommodating the curved surface cover sheet 2, so as to fixation
The support curved surface cover sheet 2；Preferably, being provided with several adsorbable 2 tables of curved surface cover sheet in the mounting groove
The vacuum hole in face, for adsorbing and supporting the curved surface cover sheet 2.
The pressurizing unit 6 is arranged in 5 two sides of lifting pressurization part, specifically, when the lifting pressurization part 5 is described
When moving below placement platform 1, the pressurizing unit 6 limits the both ends of the carrier band 4；With it is described lifting pressurization part 5 lifting,
Before the flexible membrane 3 fits to the curved surface cover sheet 2, the flexible flexible membrane 3 of pressurizing unit 6 makes described
Flexible membrane 3 is bonded 51 surface of pressing block to form the biggish arc surfaced of curvature, to keep it in the limiting device 7
In the case where cambered surface state, 3 both ends of flexible membrane is avoided formerly to contact with the curved edge 21 of the curved surface cover sheet 2.
The pressurizing unit 6 includes crushing block 61, and the crushing block 61 is set as plate and is arranged on two guide rails 9, institute
The corresponding surface width and the carrier band 4 for stating crushing block 61 and the lifting pressurization part 5 are correspondingly arranged, and guarantee 4 ends of the carrier band
It can be completely placed on the crushing block 61, to guarantee that the crushing block 61 fixes the limitation of stablizing of 4 ends of the carrier band.
The lifting pressurization part 5 is arranged between two guide rails 9, and the crushing block 61 can be separate by the guide rail 9
Or close to the lifting pressurization part 5.The side of the crushing block 61 is provided with drive motor 10, and the drive motor 10 is fixed on
In individual module, the output shaft of the drive motor 10 is fixedly connected with the corresponding crushing block 61；Pass through the driving horse
Up to 10 driving, the crushing block 61 can be relatively moved along the guide rail 9 with the lifting pressurization part 5.It is worth noting that institute
Stating drive motor 10 is preferably servo motor, and does not limit the type of motor.
The corresponding carrier band 4 of the crushing block 61 is provided with clamping groove 62, and the clamping groove 62 is arranged in the crushing block
On the side of the 61 corresponding lifting pressurization parts 5, the clamping groove 62 is used to be clamped the end for limiting the carrier band 4；The card
Access slot 62 includes the upper card access surface and lower card access surface that angle is acute angle；Preferably, the lower card access surface is set as horizontal plane, it is described
Upper card access surface is obliquely installed, so that 4 ends of the carrier band be made to be placed in the clamping groove 62 and can be bonded with the lower card access surface
In horizontal positioned, and further in the crushing block 61 into the moving process of the lifting pressurization part, 4 ends of the carrier band
It can be bonded with the upper card access surface in the clamping groove 62 to above sloping up to, so that the carrier band 4 be made to form bending states；
Angle between the upper card access surface and the lower card access surface can need curved curvature to be closed according to carrier band 4 described when being bonded
Reason setting.
The lifting pressurization part 5 is arranged immediately below the placement platform 1 and between the pressurizing unit 6, to
The carrier band 4 clamped by the pressurizing unit 6 is pushed up to 1 side of placement platform thus by the flexible membrane 3 and institute
The fitting of curved surface cover sheet 2 is stated, and makes during fitting the flexible membrane 3 from 2 center of curved surface cover sheet to bending
21 direction of edge is gradually bonded.
The lifting pressurization part 5 includes the pressing block 51 and lifter plate 52；The pressing block 51 is for above pushing away the load
Band 4 with certain height and guarantees have and 4 corresponding length of the carrier band；51 upside of pressing block and the carrier band 4
The contact surface of bottom surface contact is set as curved, makes the flexible membrane 3 when being bonded with the curved surface cover sheet 2 from the curved surface
The center of cover sheet 2 is gradually bonded to 21 direction of curved edge；And when the curved surface cover sheet 2 removes curved edge 21
Set up separately when being set to curved surface, the curvature of the contact surface is greater than the curvature of the curved surface cover sheet 2, consequently facilitating realizing described soft
The gradually fitting of property film 3.
Preferably, the curved shape of the contact surface is set as, the corresponding position placed at 3 center of flexible membrane is most
Height corresponds to the center on the curved surface cover sheet 2 between two curved edges 21, and long closer to the flexible membrane 3
Side end direction is i.e. lower closer to 21 curvature of curved edge of the curved surface cover sheet 2.
The pressing block 51 is preferably made of the silica gel of elastically deformable, so that the flexible membrane 3 and the song
When face cover sheet 2 is bonded, adhesive force is progressive from the center of the curved surface cover sheet 2 to 21 direction of curved edge.
The lifter plate 52 is set as the plate with one fixed width；The lifter plate 52 can drive be fixedly installed on it is described
The pressing block 51 on lifter plate 52 carries out the movement of raising and lowering, to realize that the flexible membrane 3 and the curved surface are protected
The fitting of protecting cover plate 2.
Specifically, passing through 51 contact surface of pressing block when the flexible membrane 3 and the curved surface cover sheet 2 are bonded
The corresponding flexible membrane 3 of highest part contacts the curved surface cover sheet 2 at first, i.e., the central part of the described flexible membrane 3 is most
It is first bonded, then causes the pressing block 51 to generate flexible deformation by the continuous rising of the pressing block 51, realize adhesive force
Gradually application to curved 2 marginal portion of curved surface cover sheet, so that the flexible membrane 3 is completely fitted to the song
On face cover sheet 2.
Embodiment three
The limiting device 7 includes fixed plate 71, limit plate 72 and the cylinder 73 being arranged on the placement platform 1, institute
Fixed plate 71 to be stated to be fixed on the placement platform 1, the limit plate 72 is fixed at the telescopic rod end of the cylinder 73,
The cylinder 73 is fixed in the fixed plate 71, and the limit plate 72 and the installation is adjusted by the cylinder 73
The relative position of slot.
The limit plate 72 is symmetricly set on the two sides of the mounting groove, i.e., the described corresponding curved surface protection of limit plate 72
The setting of cover board curved edge 21,71 bottom end of limit plate exceeds 1 bottom end face of placement platform, to guarantee institute
The contact of limit plate 71 with the carrier band 4 is stated, so that the carrier band 4 be made to keep certain bending state.
After the pressurizing unit 6 releases the end restriction effect to the carrier band 4, due to the bullet of the carrier band 4 itself
Property effect, the carrier band 4 should revert to flat condition, the both ends meeting of the corresponding flexible membrane 3 in both ends of the carrier band 4 at this time
It is formerly contacted with the curved surface cover sheet 2, easily causes the flexible membrane 3 and the curved surface cover sheet 2 during fitting
Opposite contact movement, occur friction scratch the defects of.
By the way that the limit plate 72 is arranged, when 4 rebound of carrier band, the limit plate 72 limits 4 both ends of the carrier band
Recoil position, guarantee that the carrier band 4 keeps biggish bending state in 51 uphill process of pressing block, described in guarantee
While flexible membrane 3 and the curved surface cover sheet 2 are gradually bonded, the both ends of the flexible membrane 3 and the curved surface is avoided to protect
The first contact of cover board curved edge 21.And when the flexible membrane 3 and the curved surface cover sheet 2 conform to certain state,
The limit plate 72 releases the position limitation to 4 both ends of the carrier band under the action of cylinder 73, to smoothly realize institute
State the fitting of flexible membrane 3 and the curved surface cover sheet curved edge 21.
By the setting of the limiting device 7, the compact heap 73 only applies the one direction pressure of limit to the carrier band 4
Power guarantees the bending state of the flexible membrane 3；When the pressing block 51 drives the carrier band 4 to rise, the load is not being influenced
In the case that band 4 rises, the compact heap 73 provides the frictional force of size reasonable, and the carrier band is avoided to occur during fitting
Sliding；While guaranteeing that the flexible membrane 3 is gradually bonded in the curved surface cover sheet 2,3 end of flexible membrane is avoided
With the first contact at 2 marginal position of curved surface cover sheet, product quality is improved.
Example IV
The pressing block 51 may be configured as the foamed silica gel material with tiny stomata, and the pressing block 51 passes through limit type seat
It is fixed on the lifter plate 52.When the pressing block 51 is in vacuum state, 51 volume expansion of pressing block, in the limit
Under the restriction effect of type seat, deformation occurs for 51 contact surface of pressing block, the arcwall face for having certain curvature is formed, to realize
The flexible membrane 3 is gradually bonded in the curved surface cover sheet 2.
Preferably, being provided with air bag in the pressing block 51, under vacuum conditions, the expansion rate of the air bag is greater than described
The expansion rate of pressing block 51；The air bag is preferably provided at the central upper portion position of the pressing block 51, so as to pass through control
The air pressure of the air bag is to control the curvature that the swelling volume of the air bag changes 51 contact surface of pressing block, described in realization
Flexible membrane 3 is gradually bonded in the curved surface cover sheet 2.
It, can be before fitting, i.e., by institute under non-vacuum simultaneously by the pressing block 51 of setting the present embodiment structure
The contact surface for stating pressing block 51 is set as plane, consequently facilitating the carrier band 4 stablizing on the pressing block 51 is placed.
Embodiment five
The applying method of Mobile phone screen of the present invention, including step；
The flexible membrane 3 is attached on the carrier band 4 by S1, and the curved surface cover sheet 2 is placed on described place and is put down
On platform 1；
S2 passes through fixed 4 end of the carrier band for being pasted with the flexible membrane 3 of the pressurizing unit 6；
S3 is pushed up the carrier band 4 until by the carrier band 4 and the pressure by rising the pressing block 51 for the first time
It closes block 51 to be close to, and the carrier band 4 is in preliminary bending state；
S4, by rising the pressing block 51, and the decline by adjusting the pressurizing unit 6 and horizontal shifting for the second time
It is dynamic, make the carrier band in bending state again, makes the carrier band 4 in the curved surface cover sheet 2；
S5, the upper cavity and lower chamber contraposition closure form closed space, and take out to the closed space
Vacuum is to setting vacuum values；
S6 makes 51 middle section of pressing block contact the curved surface at first by rising the pressing block 51 for the third time
Cover sheet 2；
S7, in the continuous uphill process of the pressing block 51, the pressurizing unit releases the limitation shape to the carrier band
State, the limiting device carry out position limitation to the carrier band end of rebound, and the flexible membrane 3 is gradually fitted in the curved surface
Until the flexible membrane 3 and the curved surface cover sheet 2 are completely bonded on cover sheet 2；
S8 declines the force fit plate, and releases limitation of institute's clamping device to 4 ends of the carrier band, the flexible membrane 3,
The carrier band 4 and the curved surface cover sheet 2 pass through the upper cavity and the lower chamber on the placement platform 1
Separation removes the carrier band 4, to be finally completed the display device to release vacuum state from the flexible membrane 3
Fitting.
In step s3, the carrier band and the pressing block 51 carry out preliminary bending state after being close to；In step s 4,
The carrier band is bonded with the upper card access surface, to make the carrier band 4 in preferable bending state again.
In step S6 and S7, rises the pressing block 51 from by third time, make the pressing block 51 in the curved surface
The center of cover sheet 2 starts gradually to be bonded to the two sides of curved edge 21；When the third time rising of the pressing block 51 starts
When, centerline portion between 51 contact surface of pressing block, two long side first with the interior side contacts of the curved surface cover sheet 2, because
This correspondence is fitted in the central part for carrying the flexible membrane 3 on the upside of in the of the 4 preferentially center with the curved surface cover sheet 2
Contact is bonded.
During the subsequent pressing block 51 continues rising, the curvature of the contact surface is the curved surface protection cap
Plate 2 is constantly pressed down after contacting, so that the flexible membrane 3 where making on the contact surface gradually fits to curved surface cover sheet
On 2；Until the fitting of the flexible membrane 3 gradually proceeds to the boundary part of the curved edge 21 of the curved surface cover sheet 2, when
After the third time last time of the pressing block 51 is finally completed, the contact surface keeps it completely solid toward 3 end of flexible membrane pressure
It is fixed on the curved edge 21 of the curved surface cover sheet 2, finally realizing the curved surface cover sheet 2 and the flexible membrane 3
It is bonded and completes display device.
Applying method through the invention can be carried out for the curved surface cover sheet 2 of the curved edge with angle
The flexible membrane 3 is bonded, and is made gradually fitting of the flexible membrane 3 in the curved surface cover sheet 2, is avoided the flexible membrane 3
The bad defects such as bubble fold are generated during fitting；Meanwhile the flexible membrane is avoided under the action of limiting device 7
First contact at 3 ends and 2 marginal position of curved surface cover sheet, reduces the defective products of production.
The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for the purpose of the present invention, and not restrictive
's.Those skilled in the art understand that in the spirit and scope defined by the claims in the present invention many changes can be carried out to it,
It modifies or even equivalent, but falls in protection scope of the present invention.
Claims (10)
1. a kind of film pressing device of Mobile phone screen, which is characterized in that including upper cavity and lower chamber, the upper cavity and the cavity of resorption
Body is equipped with, and the upper cavity and the lower chamber can move up and down；The upper cavity is provided with placement platform and song
Face cover sheet, the lower chamber are provided with flexible membrane, carrier band, lifting pressurization part；The placement platform is for placing the song
Face cover sheet, the flexible membrane are placed on the carrier band, and the carrier band is set as the plate-like structure of elastomeric flexible, described
Carrier band is placed in the lifting pressurization part, and the flexible membrane and the curved surface cover sheet are correspondingly arranged up and down；By described
Placement platform and the height and position of the lifting pressurization part are adjusted, and are realized between the flexible membrane and the curved surface cover sheet
Fitting；
The lower chamber is additionally provided with a pair of of pressurizing unit, and the two sides of the lifting pressurization part, institute is arranged in the pressurizing unit
Stating pressurizing unit includes crushing block, and the crushing block is set as plate and is arranged on two guide rails, the crushing block and the liter
The corresponding surface width and the carrier band for dropping pressurization part are correspondingly arranged, and the lifting pressurization part is arranged between two guide rails, institute
Stating crushing block can be by the guide rail away from or approaching the lifting pressurization part；
The upper cavity is additionally provided with the limiting device, and the limiting device corresponds to the carrier band setting, the limiting device
For limiting the carrier band end position in the flexible membrane and curved surface cover sheet fitting.
2. the film pressing device of Mobile phone screen as described in claim 1, which is characterized in that the limiting device includes fixed plate, limit
Position plate and cylinder, the fixed plate are fixed on the placement platform, and the limit plate is fixed at the flexible of the cylinder
Boom end, the cylinder are fixed in the fixed plate, and the limit plate and the installation is adjusted by the cylinder
The relative position of slot；The limit plate is symmetricly set on the two sides of the curved surface cover sheet, and described in limit plate correspondence
The curved edge of curved surface cover sheet is arranged.
3. the film pressing device of Mobile phone screen as claimed in claim 2, which is characterized in that the limit plate bottom end exceeds downwards institute
State placement platform bottom end face.
4. the film pressing device of Mobile phone screen as described in claim 1, which is characterized in that the crushing block and the lifting pressurization part
Corresponding surface size and it is described carrier band be correspondingly arranged.
5. the film pressing device of Mobile phone screen as claimed in claim 4, which is characterized in that the crushing block corresponds to the carrier band setting
There is clamping groove, the clamping groove is arranged in the crushing block and corresponds on the side of the lifting pressurization part, and the clamping groove is used for
Clamping limits the end of the carrier band；The clamping groove includes the upper card access surface and lower card access surface that angle is acute angle.
6. the film pressing device of Mobile phone screen as claimed in claim 5, which is characterized in that the lower card access surface is set as horizontal plane,
The upper card access surface is obliquely installed.
7. the film pressing device of Mobile phone screen as described in claim 1, which is characterized in that the lifting pressurization part includes the pressing
Block and lifter plate；The lifter plate can drive the pressing block being fixedly installed on the lifter plate to carry out raising and lowering
It is mobile；The pressing block is arranged for above pushing away the carrier band, the contact surface contacted on the upside of the pressing block with the carrier band bottom surface
Arcwall face for arcwall face, the contact surface is shaped to, on the corresponding curved surface cover sheet between two curved edges in
Heart position is set as highest, and lower closer to the curved edge curvature of the curved surface cover sheet.
8. the film pressing device of Mobile phone screen as claimed in claim 7, which is characterized in that the pressing block is using elastically deformable
Silica gel production, the width of the pressing block upper side gradually become smaller from top to bottom, and the pressing block corresponds to the flexible membrane two
The side of end is set as inner concavity.
9. the film pressing device of Mobile phone screen as claimed in claim 7, which is characterized in that the pressing block is set as having tiny gas
The foamed silica gel material in hole, the pressing block are fixed on the lifter plate by limit type seat.
10. a kind of applying method using the film pressing device of Mobile phone screen as described in any one of claim 1-9, feature exist
In, comprising steps of
The flexible membrane is attached on the carrier band by S1, and the curved surface cover sheet is placed on the placement platform；
S2 passes through the fixed carrier band end for being pasted with the flexible membrane of the pressurizing unit；
S3 is pushed up the carrier band until the carrier band is tight with the pressing block by rising the pressing block for the first time
Patch, and the carrier band is in preliminary bending state；
S4 by rising the pressing block for the second time, and by the decline for adjusting the pressurizing unit and is moved horizontally, and is made described
Carrier band makes the carrier band in the curved surface cover sheet in bending state again；
S5, the upper cavity and lower chamber contraposition closure form closed space, and vacuumize to the closed space
To setting vacuum values；
S6 makes the pressing block middle section contact the curved surface cover sheet at first by rising the pressing block for the third time；
S7, in the continuous uphill process of the pressing block, the pressurizing unit releases the restriction state to the carrier band, described
Limiting device carries out position limitation to the carrier band end of rebound, and the flexible membrane is gradually fitted in the curved surface cover sheet
Above until the flexible membrane and the curved surface cover sheet are completely bonded；
S8 declines the force fit plate, and releases limitation of institute's clamping device to the carrier band end, the flexible membrane, the load
Band and the curved surface cover sheet are solved on the placement platform by the separation of the upper cavity and the lower chamber
Except vacuum state, the carrier band is removed from the flexible membrane, to be finally completed the fitting of the display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811514197.5A CN109435409A (en) | 2018-12-11 | 2018-12-11 | A kind of film pressing device and applying method of Mobile phone screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811514197.5A CN109435409A (en) | 2018-12-11 | 2018-12-11 | A kind of film pressing device and applying method of Mobile phone screen |
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| CN109435409A true CN109435409A (en) | 2019-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811514197.5A Pending CN109435409A (en) | 2018-12-11 | 2018-12-11 | A kind of film pressing device and applying method of Mobile phone screen |
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| CN111981007A (en) * | 2019-05-23 | 2020-11-24 | 华为技术有限公司 | Laminating device, laminating assembly and laminating method of curved cover plate and flexible screen |
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| CN117311026A (en) * | 2023-11-13 | 2023-12-29 | 惠州市万兴科技有限公司 | Automatic assembly machine for liquid crystal display |
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Effective date of registration: 20190523 Address after: 210000 Keyuan Road, Jiangning District, Nanjing City, Jiangsu Province 128 Applicant after: Wang Hengkun Address before: 230000 Lingxi Road, Luyang Industrial Zone, Hefei City, Anhui Province Applicant before: Hefei Li Li Electronic Technology Co., Ltd. |