CN109592109B - Automatic pad pasting device of curved surface screen - Google Patents
Automatic pad pasting device of curved surface screen Download PDFInfo
- Publication number
- CN109592109B CN109592109B CN201811440748.8A CN201811440748A CN109592109B CN 109592109 B CN109592109 B CN 109592109B CN 201811440748 A CN201811440748 A CN 201811440748A CN 109592109 B CN109592109 B CN 109592109B
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- curved surface
- surface screen
- film
- station
- screen
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- 230000001681 protective effect Effects 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 78
- 238000003825 pressing Methods 0.000 claims description 54
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B33/00—Packaging articles by applying removable, e.g. strippable, coatings
- B65B33/02—Packaging small articles, e.g. spare parts for machines or engines
Abstract
An automatic film sticking device for a curved screen relates to the technical field of display screen film sticking. The device comprises a frame platform, wherein a curved surface screen material tray, a protective film feeding device and a rotationally installed dividing plate are arranged on the frame platform, and a to-be-fed station, a curved surface screen feeding station, a curved surface screen positioning and protective film feeding station, a protective film straight surface film pasting station, a protective film two-side curved surface film pasting station and a discharging station are sequentially arranged on the dividing plate in the circumferential direction; the invention is suitable for the curved surface screen film pasting, and the whole pasting process can ensure the good pasting quality of the whole curved surface display screen, especially at the arc edges at two sides, and the film pasting device can be completed through the machine automation without manual participation, thereby greatly improving the efficiency and saving the labor cost.
Description
Technical Field
The invention relates to the technical field of display screen film sticking, in particular to an automatic film sticking device for a curved surface screen.
Background
With the development of electronic technology, curved display screens are increasingly used, and various film layers are required to be attached to the curved display screens in the manufacturing process of the curved display screens. The curved surface display screen comprises a middle plane and arc edges at two sides of the middle plane, the film pasting method of the traditional planar display screen cannot be well adapted to the film pasting of the curved surface display screen, and especially the lamination effect at the arc edges at two sides is poor, manual assistance is needed, and full-automatic production cannot be realized.
Disclosure of Invention
The invention aims to provide a device for pressing and pasting arc-shaped surface protection films on two sides of a curved surface screen, which can realize automatic and perfect pasting of the curved surface screen protection films.
The technical scheme for achieving the purpose is as follows: the utility model provides an automatic pad pasting device of curved surface screen which characterized in that: the device comprises a frame platform, wherein a curved surface screen material tray, a protective film feeding device and a rotationally installed dividing plate are arranged on the frame platform, and a curved surface screen positioning jig capable of positioning two ends of the length direction of the curved surface screen is respectively arranged on the circumferential direction of the dividing plate;
a curved surface screen feeding mechanism is arranged on a frame platform outside the curved surface screen feeding station, a curved surface screen positioning and protecting film feeding mechanism is arranged on a frame platform outside the curved surface screen positioning and protecting film feeding station, a protecting film straight surface film pasting mechanism is arranged on a frame platform outside the protecting film straight surface film pasting station, two side curved surface film pasting mechanisms of the protecting film are arranged on a frame platform outside the protecting film curved surface film pasting station, and a discharging mechanism is arranged on a frame platform outside the discharging station;
the curved surface screen feeding mechanism is used for sucking and placing a curved surface screen on the curved surface screen material tray onto the curved surface screen positioning jig, the curved surface screen positioning and protecting film feeding mechanism is used for positioning two ends of the width direction of the curved surface screen and sucking and placing a protecting film onto the curved surface screen, the protecting film straight-surface film pasting mechanism is used for pressing and pasting protecting films on the straight surfaces of the curved surface screen, the protecting film pasting mechanisms on two sides of the protecting film are used for pressing and pasting protecting films on curved surfaces on two sides of the curved surface screen, and the discharging device transfers the curved surface screen tightly pasted with the protecting film to discharge.
Further, the curved surface screen positioning jig comprises a base, wherein a supporting platform for supporting the curved surface screen is arranged on the base, and two end limiting blocks which are arranged at intervals are respectively arranged on the bases at two ends of the supporting platform;
a square through hole is formed between end limiting blocks at one end, a top plate is vertically arranged in the square through hole, the middle of the top plate is installed in the square through hole through a rotating shaft, the lower end of the top plate downwards extends out of the square through hole, a second spring plunger installed on a base is arranged at the rear side of the square through hole, and the compression end of the second spring plunger is forwards abutted to the upper portion of the top plate, so that the upper end of the top plate is forwards pressed against a curved surface screen.
Further, the end limiting blocks are respectively arranged on the base in a sliding manner through the sliding shafts, the lower ends of the sliding shafts penetrate through the base and are provided with limiting steps for limiting the sliding shafts to ascend, and the sliding shafts between the end limiting blocks and the base are also provided with first springs in a penetrating manner.
Further, curved surface screen feed mechanism includes first manipulator and first flexible cylinder, the outside at curved surface screen material loading station is installed through first support to the output of first flexible cylinder is used for the roof lower extreme of the curved surface screen positioning jig on this station of forward roof pressure, the work end of first manipulator is connected with the first vacuum chuck that is used for absorbing the curved surface screen.
Further, the curved surface screen positioning and protecting film feeding mechanism comprises a second manipulator and a curved surface screen width positioning mechanism, and the working end of the second manipulator is connected with a second vacuum chuck for sucking the protecting film;
the curved surface screen width positioning mechanism comprises a second support arranged at the outer side of the curved surface screen positioning and protecting film feeding station, and a positioning block and a second cylinder for driving the positioning block to slide along the linear guide rail are arranged on the second support through the linear guide rail;
the positioning blocks are provided with U-shaped grooves matched with the width of the supporting platform of the curved surface screen positioning jig, the opening ends of the U-shaped grooves face the curved surface screen positioning jig on the curved surface screen positioning and protecting film feeding station, and the positioning blocks on two sides of the U-shaped grooves are respectively provided with a row of limiting rollers for positioning the width of the curved surface screen in a rotating mode; the second cylinder is used for driving the U-shaped groove of the positioning block to move forward along the supporting platform of the curved surface screen positioning jig, and meanwhile, the precision of the width direction of the curved surface screen is positioned through the limiting rollers on the two sides.
Further, the straight face pad pasting mechanism of protection film includes the X axle module of installing in the straight face pad pasting station outside of protection film through first support, and X axle module sets up directly over the straight face pad pasting station of protection film and parallels with the curved surface screen positioning jig on the straight face pad pasting station of protection film, is connected with along X axle module lateral sliding's lift cylinder on the X axle module, and lift cylinder's output is down and be connected with curved surface screen plane protection film and press the pad pasting mechanism, plane protection film presses the pad pasting mechanism to include lower extreme open-ended rectangle support, and two pinch rollers of setting side by side are installed in the lower extreme rotation of rectangle support.
Further, vertical sliding grooves are formed in two ends of the rectangular support above the pressing wheel, a supporting shaft is arranged between the vertical sliding grooves, two buffer pressure regulating rollers are arranged in the middle of the supporting shaft at intervals, and limiting steps for limiting the supporting shaft to axially slide are arranged at two ends of the supporting shaft.
Further, the curved surface film pasting mechanisms on two sides of the protective film comprise vertically arranged lifting modules, the lifting modules are provided with curved surface pressing and pasting mechanisms which can lift along the lifting modules, the curved surface pressing and pasting mechanisms are arranged right above curved surface film pasting stations on two sides of the protective film, the curved surface pressing and pasting mechanisms comprise second brackets, pressing plates are arranged below the second brackets, pressing rollers for pressing and pasting the protective films on two sides of the curved surface screen are symmetrically arranged on the left side and the right side of the pressing plates, and the lower end faces of the pressing plates are slightly lower than the lower surfaces of the pressing rollers;
the upper end face of the pressing plate is connected with a guide rod, the upper end of the guide rod is arranged on the bracket in a sliding penetrating way, a limiting step is arranged on the guide rod, and a second spring is arranged on the guide rod in a penetrating way between the pressing plate and the second bracket;
the compression rollers on two sides are arranged on the second bracket through automatic opening and closing mechanisms, the automatic opening and closing mechanisms comprise a left opening and closing plate and a right opening and closing plate which are respectively and rotatably arranged at two ends of the second bracket, one compression roller is rotatably arranged between the lower ends of the left opening and closing plate, the other compression roller is rotatably arranged between the lower ends of the right opening and closing plate, connecting rods are respectively hinged on the left opening and closing plate and the right opening and closing plate, the connecting rods between the left opening and closing plate and the right opening and closing plate are in an inverted V shape, the tips of the connecting rods are rotatably connected through pin shafts, a third cylinder which is vertically arranged is arranged at one end of the second bracket, and the output end of the third cylinder is arranged right above the pin shaft between the connecting rods at the corresponding ends;
the upper end faces of the left opening plate and the right opening plate are inclined planes, first spring plungers are respectively installed on upper supports of the left opening plate and the right opening plate, and compression ends of the first spring plungers respectively lean against the inclined planes of the left opening plate and the right opening plate downwards to enable the left opening plate and the right opening plate to be in an opening state.
Further, the middle part top of compression roller of both sides corresponds respectively and is provided with buffering pressure regulating mechanism, buffering pressure regulating mechanism is including installing the mount on the second support, and the lower extreme of mount is provided with the vertical spout of bilateral symmetry arrangement, and the slip is provided with the fixed axle in the vertical spout, and the both ends of fixed axle are connected with the buffering pinch roller, and the top of fixed axle is provided with the third spring plunger of installing on the mount, and the lower extreme roof pressure of third spring plunger is on the fixed axle.
Further, the unloading mechanism includes third manipulator and the flexible cylinder of second, the outside at the unloading station is installed through the third support to the flexible cylinder of second's output is used for pushing up the roof lower extreme of curved surface screen positioning jig on the unloading station forward, the work end of third manipulator is connected with the third vacuum chuck that is used for absorbing the curved surface screen.
The invention has the beneficial effects that:
the invention is suitable for the curved surface screen film pasting, and the whole pasting process can ensure the good pasting quality of the whole curved surface display screen, especially at the arc edges at two sides, and the film pasting device can be completed through the machine automation without manual participation, thereby greatly improving the efficiency and saving the labor cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a curved screen positioning fixture;
FIG. 3 is a front view of a curved screen positioning jig;
FIG. 4 is a schematic view of a curved screen width positioning mechanism;
FIG. 5 is a schematic structural view of a protective film direct-face film pasting mechanism;
FIG. 6 is a schematic structural view of a planar protective film laminating mechanism;
FIG. 7 is a schematic structural view of a mechanism for attaching curved surfaces on two sides of a protective film;
FIG. 8 is a schematic view of a curved surface pressing mechanism;
fig. 9 is a schematic structural diagram of the cooperation of the second telescopic cylinder of the blanking mechanism and the curved screen positioning jig.
Description of the embodiments
As shown in fig. 1-9, the invention comprises a frame platform 1, wherein a curved surface screen material tray 2, a protective film material feeding device 3 and a dividing disc 4 which is rotatably installed are arranged on the frame platform, and curved surface screens 15 are uniformly and uniformly distributed on the curved surface screen material tray 2, and the protective film material feeding device 3 can be widely applied to products which are automatically attached to the existing flat surface film, so that the protective film material feeding device 3 of the embodiment can directly adopt the prior common technology, such as a stripping device in a full-automatic film attaching machine disclosed in patent number 201610375374.0, and the protective film is stripped from a material belt through the stripping device.
Four stations 10 to be fed, two curved surface screen feeding stations 11, a curved surface screen positioning and protecting film feeding station 12, a protecting film straight surface film pasting station 13, a protecting film two-side curved surface film pasting station 14 and a discharging station 15 are sequentially arranged in the circumferential direction of the dividing plate 4, and a curved surface screen positioning jig 11 is respectively installed on two of the stations 10 to be fed, the curved surface screen positioning and protecting film feeding station 12, the protecting film straight surface film pasting station 13, the protecting film two-side curved surface film pasting station 14, the discharging station 14 and the two curved surface screen feeding stations 11.
The frame platform 1 outside the two curved surface screen feeding stations 10 is provided with a curved surface screen feeding mechanism 5, the frame platform 1 outside the curved surface screen positioning and protecting film feeding station 12 is provided with a curved surface screen positioning and protecting film feeding mechanism 6, the frame platform 1 outside the protecting film straight surface film pasting station 13 is provided with a protecting film straight surface film pasting mechanism 7, the frame platform 1 outside the protecting film curved surface film pasting station 14 is provided with protecting film two side curved surface film pasting mechanisms 8, and the frame platform 1 outside the blanking station 15 is provided with a blanking mechanism 9.
The curved surface screen positioning jig 11 comprises a base 11.1, a supporting platform 11.2 for supporting a curved surface screen 15 is arranged on the base 11.1, two end limiting blocks 11.3 which are arranged at intervals and used for limiting the curved surface screen 15 in the length direction are respectively arranged on the base 11.1 at two ends of the supporting platform 11.2, the end limiting blocks 11.3 are respectively arranged on the base 11.1 in a sliding mode through sliding shafts 11.7 in a penetrating mode, the lower ends of the sliding shafts 11.7 penetrate through the base 11.1 and are provided with limiting steps 11.8 for limiting the sliding shafts 11.7 to ascend, and first springs 11.9 are further arranged on the sliding shafts 11.7 between the end limiting blocks 11.3 and the base 11.1 in a penetrating mode.
A square through hole 11.4 is arranged between end limiting blocks 11.3 at one end, a top plate 11.5 is vertically arranged in the square through hole 11.4, the middle part of the top plate 11.5 is rotatably arranged in the square through hole 11.4 through a rotating shaft, the lower end of the top plate 11.5 downwards extends out of the square through hole 11.4, a second spring plunger 11.6 arranged on a base 11.1 is arranged at the rear side of the square through hole 11.4, and the compression end of the second spring plunger 11.6 forwards abuts against the upper part of the top plate 11.5, so that the upper end of the top plate 11.5 forwards presses a curved surface screen 15.
The curved surface screen feeding mechanism 5 comprises a first manipulator 5.1 and first telescopic cylinders 5.2 which are respectively arranged on the outer sides of two curved surface screen feeding stations 11, the working end of the first manipulator 5.1 is connected with a first vacuum chuck 5.4 for sucking the curved surface screen 15, the first telescopic cylinders 5.2 are respectively arranged on the outer sides of the curved surface screen feeding stations 11 through first supports 5.3, and the output ends of the first telescopic cylinders 5.2 are used for pushing the lower ends of top plates 11.5 of the curved surface screen positioning jigs 11 on the curved surface screen feeding stations forwards.
The curved surface screen positioning and protecting film feeding mechanism 6 comprises a second manipulator 6.1 and a curved surface screen width positioning mechanism 6.2, wherein the working end of the second manipulator 6.1 is connected with a second vacuum chuck 6.3, and the second vacuum chuck 6.3 is used for sucking the protecting film stripped by the protecting film feeding device 3.
The curved screen width positioning mechanism 6.1 comprises a second support 6.11 arranged on the outer side of the curved screen positioning and protecting film feeding station 12, and a positioning block 6.13 and a second cylinder 6.14 for driving the positioning block 6.13 to slide along the linear guide 6.12 are arranged on the second support 6.11 through the linear guide 6.12.
The positioning block 6.13 is provided with a U-shaped groove 6.14 matched with the width of the supporting platform 11.2 of the curved surface screen positioning jig 11, the opening end of the U-shaped groove 6.14 faces the curved surface screen positioning jig 11 on the curved surface screen positioning and protecting film feeding station 12, and a row of limiting rollers 6.15 for positioning the width of the curved surface screen 15 are respectively and rotatably arranged on the positioning blocks 6.13 on two sides of the U-shaped groove 6.14; the second cylinder is used for driving the U-shaped groove 6.14 of the positioning block to position along the curved surface screen and the supporting platform 11.2 of the curved surface screen positioning jig 11 on the protective film feeding station 12 forwards, and meanwhile, the precision of the width direction of the curved surface screen 15 is positioned through the limiting rollers 6.15 on two sides.
The protective film straight-face film pasting mechanism 7 comprises an X-axis module 7.2 which is arranged on the outer side of a protective film straight-face film pasting station 13 through a first bracket 7.1, wherein the X-axis module 7.2 is arranged right above the protective film straight-face film pasting station 13 and is parallel to a curved surface screen positioning jig 11 on the protective film straight-face film pasting station 13, a lifting cylinder 7.3 which transversely slides along the X-axis module 7.2 is connected to the X-axis module 7.2, and the output end of the lifting cylinder 7.3 faces downwards and is connected with a curved surface screen plane protective film pressing and pasting mechanism 7.4.
The plane protection film pressing and pasting mechanism 7.4 comprises a rectangular support 7.41 with an opening at the lower end, two pressing wheels 7.42 which are arranged side by side are rotatably arranged at the lower end of the rectangular support 7.41, the pressing wheels 7.42 are made of silicone rubber, vertical sliding grooves 7.43 are formed in the two ends of the rectangular support 7.41 above the pressing wheels 7.2, a supporting shaft 7.44 is arranged between the vertical sliding grooves 7.43, two buffer pressure regulating rollers 7.45 which are arranged at intervals are arranged in the middle of the supporting shaft 7.44, and limiting steps 7.46 for limiting the supporting shaft 7.44 to axially slide are arranged at the two ends of the supporting shaft 7.44.
The protection film both sides curved surface pad pasting mechanism 8 includes vertical arrangement's lifting module 8.1, install the curved surface that can follow lifting module 8.1 on the lifting module 8.1 and press pad pasting mechanism 8.2, curved surface presses pad pasting mechanism 8.2 to set up directly over protection film both sides curved surface pad pasting station 14, curved surface presses pad pasting mechanism 14 includes second support 8.21, second support 8.21 below sets up clamp plate 8.22, clamp plate 8.22 adopts antistatic nylon plate material, clamp plate 8.22's left and right sides symmetry is provided with the compression roller 8.23 that are used for pressing the protection film of curved surface screen 15 both sides circular arc limit, compression roller 8.23 adopts the silicone rubber material, clamp plate 8.22's lower terminal surface is slightly less than the lower surface of compression roller 8.23.
The upper end face of the pressing plate 8.2 is connected with a guide rod 8.24, the upper end of the guide rod 8.24 is slidably arranged on the second bracket 8.21 in a penetrating manner, a limiting step is arranged on the guide rod 8.24 between the pressing plate 8.24 and the second bracket 8.21, and a second spring 8.25 is arranged on the guide rod 8.24 in a penetrating manner;
the compression rollers 8.23 on two sides are arranged on the second bracket 8.21 through automatic opening and closing mechanisms 8.3, the automatic opening and closing mechanisms 8.3 comprise left opening and closing plates 8.31 and right opening and closing plates 8.32 which are respectively arranged at two ends of the second bracket 8.21 in a rotating mode, one compression roller 8.23 is arranged between the lower ends of the left opening and closing plates 8.31 in a rotating mode, the other compression roller 8.23 is arranged between the lower ends of the right opening and closing plates 8.32 in a rotating mode, the upper end faces of the left opening and closing plates 8.31 and the right opening and closing plates 8.32 are inclined faces, first spring plungers 8.4 are respectively arranged on the second bracket 8.21 above the left opening and closing plates 8.31 and the right opening and closing plates 8.32, and compression ends of the first spring plungers 8.4 respectively lean against the inclined faces of the left opening and closing plates 8.31 and the right opening and closing plates 8.32 in a downward state.
The left opening and closing plate 8.31 and the right opening and closing plate 8.32 are respectively hinged with a connecting rod 8.33, the connecting rod 8.33 between the left opening and closing plate 8.31 and the right opening and closing plate 8.32 is in an inverted V shape, the tip ends of the connecting rods are rotationally connected through pin shafts 8.34, a third air cylinder 8.35 which is vertically arranged is installed at one end of the second bracket 8.21, and the output end of the third air cylinder 8.35 is arranged right above the pin shaft 8.34 between the connecting rods 8.33 at the corresponding ends.
The upper middle parts of the compression rollers 8.23 on the two sides are respectively and correspondingly provided with a buffer pressure regulating mechanism 8.5, the buffer pressure regulating mechanism 8.5 comprises a fixing frame 8.51 arranged on a second bracket 8.21, the lower end of the fixing frame 8.51 is provided with a vertical chute 8.52 which is arranged symmetrically left and right, a fixed shaft 8.53 is arranged in the vertical chute 8.52 in a sliding manner, two ends of the fixed shaft 8.53 are connected with buffer compression rollers 8.54, a third spring plunger 8.55 arranged on the fixing frame 8.51 is arranged above the fixed shaft 8.53, and the lower end of the third spring plunger 8.55 is propped against the fixed shaft 8.53.
The blanking mechanism 9 comprises a third manipulator 9.1 and a second telescopic cylinder 9.2, the second telescopic cylinder 9.2 is arranged on the outer side of the blanking station 15 through a third support 9.3, the output end of the second telescopic cylinder 9.2 is used for pushing the lower end of a top plate 11.5 of a curved surface screen positioning jig 11 on the blanking station 15 forwards, and the working end of the third manipulator 9.1 is connected with a third vacuum chuck (not shown in the figure) for sucking a curved surface screen.
The working process of the invention
1) And (3) feeding a curved surface screen: the first telescopic cylinder 5.2 pushes forward the roof 11.5 lower extreme of the curved surface screen positioning jig 11 on one of the curved surface screen feeding stations 11, makes the upper end of roof 11.5 backward, and first manipulator 5.1 inhales a curved surface screen 15 in the curved surface screen charging tray 2 to be put between the tip stopper 11.3 of this curved surface screen positioning jig 11, drives first telescopic cylinder 5.2 again and contracts, makes the upper end of roof 11.5 compress tightly curved surface screen 8 forward under the effect of second spring plunger 8.4 to realize curved surface screen length direction's location.
2) Positioning the curved surface screen in the width direction and feeding a protective film: the curved surface screen positioning jig 11 clamped with the curved surface screen 15 rotates to a curved surface screen positioning and protecting film feeding station, the second cylinder 6.14 drives the U-shaped groove 6.14 of the positioning block 6.13 to move forwards along the supporting platform 11.2 of the curved surface screen positioning jig 11 on the curved surface screen positioning and protecting film feeding station 12, and meanwhile, the precision of the width direction of the curved surface screen 15 is positioned through the limiting rollers 6.15 on two sides.
After the curved surface screen 15 is positioned in the width direction, the second manipulator 6.1 sucks the protective film provided by the protective film feeding device 3 through the second vacuum chuck 6.3 and is placed on the curved surface screen 15 on the curved surface screen positioning and protective film feeding station 12.
3) Straight face pad pasting: after the protective film feeding is completed, the protective film feeding is rotated to the protective film straight-face laminating station 13, the lifting cylinder 7.3 downwards drives the two pressing wheels 7.42 to be laminated on the starting end of the curved surface screen 15, and the two pressing wheels 7.42 are driven by the X-axis module 7.2 to forward tightly laminate the protective film on the straight face along the curved surface screen 15.
In the pressing process of the two pressing wheels 7.42, the pressing force of the two pressing wheels 7.42 can be buffered through the buffering pressure regulating rollers 7.45 sliding along the sliding grooves 7.43, so that the pressing force of the pressing wheels 7.42 is soft, and the damage to a screen membrane caused by overlarge pressing force is avoided.
In addition, the end limiting block 11.3 is arranged on the base 11.1 through a sliding shaft 11.7 capable of sliding vertically, and the sliding shaft 11.7 between the end limiting block 11.3 and the base 11.1 is also provided with a first spring 11.9 in a penetrating way, so that when the two pressing wheels 7.42 roll forward to press the protective film, the end limiting block positioned at the front end can be compressed downwards and pass over the front end of the protective film, and the end of the protective film is tightly attached to the curved surface screen 15.
4) And (3) sticking films on curved surfaces on two sides: after the straight-face film pasting is completed, the lifting module 8.1 is rotated to the curved surface film pasting stations 14 on two sides of the protective film, the lifting module 8.1 is lowered to drive the pressing plate 8.22 and the pressing roller 8.23 to be lowered simultaneously, because the lower end face of the pressing plate 8.22 is slightly lower than the lower surface of the pressing roller 8.23, the pressing plate 8.22 is firstly contacted and pressed against the protective film on the surface of the curved surface screen 15, then the lifting module 8.1 is continuously lowered, the pressing plate 8.22 is upwards compressed to the second spring 8.25, the pressing roller 8.23 on two sides continuously presses and rolls outwards along the cambered surfaces on two sides of the curved surface screen 15, the protective film on the cambered surfaces on two sides of the curved surface screen 15 is pressed and attached, then the output end of the third cylinder 8.35 is downwards pressed on the pin shaft 8.34, the pressing roller 2.3 on the two sides of the space after the curved surface is kept to be attached, the protective film on the curved surface of the curved surface is prevented from being quickly closed by the pressing roller 8.23 on two sides when the curved surface pasting mechanism 14 is lifted, the protective film on the curved surface screen 15 is prevented from being carried out, the curved surface is returned to the surface, then the lifting module 8.1 is lifted to the initial position, and the output end of the third cylinder 8.35 is retracted to the initial state.
5) And (3) blanking: after the curved surface film is adhered, the curved surface film is rotated to the blanking station 15, the second telescopic cylinder 9.2 pushes forward against the lower end of the top plate 11.5 of the curved surface screen positioning jig 11 on the blanking station 15, the upper end of the top plate 11.5 is backwards, and the curved surface screen 15 tightly adhered with the protective film is conveyed to blanking through the third vacuum chuck of the third manipulator 9.1.
6) The above process is repeated cyclically.
Claims (7)
1. The utility model provides an automatic pad pasting device of curved surface screen which characterized in that: the device comprises a frame platform, wherein a curved surface screen material tray, a protective film material feeding device and a rotationally installed dividing plate are arranged on the frame platform, and a to-be-fed station, a curved surface screen material feeding station, a curved surface screen positioning and protective film material feeding station, a protective film straight surface film sticking station, a protective film two-side curved surface film sticking station and a blanking station are sequentially arranged in the circumferential direction of the dividing plate;
the device comprises a to-be-fed station, a curved surface screen feeding station, a curved surface screen positioning and protecting film feeding station, a protecting film straight surface film sticking station, two side curved surface film sticking stations and a discharging station, wherein the curved surface screen positioning jig capable of positioning two ends of the curved surface screen in the length direction is respectively arranged on the to-be-fed station, the curved surface screen feeding station, the curved surface screen positioning and protecting film feeding station, the protecting film straight surface film sticking station and the discharging station;
a curved surface screen feeding mechanism is arranged on a frame platform outside the curved surface screen feeding station, a curved surface screen positioning and protecting film feeding mechanism is arranged on a frame platform outside the curved surface screen positioning and protecting film feeding station, a protecting film straight surface film pasting mechanism is arranged on a frame platform outside the protecting film straight surface film pasting station, two side curved surface film pasting mechanisms of the protecting film are arranged on a frame platform outside the protecting film curved surface film pasting station, and a discharging mechanism is arranged on a frame platform outside the discharging station;
the curved surface screen feeding mechanism is used for sucking and placing the curved surface screen on the curved surface screen material tray onto the curved surface screen positioning jig, the curved surface screen positioning and protecting film feeding mechanism is used for positioning two ends of the curved surface screen in the width direction and sucking and placing the protecting film onto the curved surface screen, the protecting film straight-surface film pasting mechanism is used for pasting the protecting film on the straight surface of the curved surface screen, the curved surface film pasting mechanisms on two sides of the protecting film are used for pasting the protecting film on the curved surfaces on two sides of the curved surface screen, and the blanking device transfers the curved surface screen tightly pasted with the protecting film to be blanked;
the curved surface pasting mechanism on two sides of the protective film comprises a vertically arranged lifting module, the lifting module is provided with a curved surface pasting mechanism capable of lifting along the lifting module, the curved surface pasting mechanism is arranged right above a curved surface pasting station on two sides of the protective film, the curved surface pasting mechanism comprises a second bracket, a pressing plate is arranged below the second bracket, the left side and the right side of the pressing plate are symmetrically provided with pressing rollers for pasting the protective film on the two sides of the curved surface screen, and the lower end surface of the pressing plate is slightly lower than the lower surface of the pressing rollers;
the upper end face of the pressing plate is connected with a guide rod, the upper end of the guide rod is arranged on the bracket in a sliding penetrating way, a limiting step is arranged on the guide rod, and a second spring is arranged on the guide rod in a penetrating way between the pressing plate and the second bracket;
the compression rollers on two sides are arranged on the second bracket through automatic opening and closing mechanisms, the automatic opening and closing mechanisms comprise a left opening and closing plate and a right opening and closing plate which are respectively and rotatably arranged at two ends of the second bracket, one compression roller is rotatably arranged between the lower ends of the left opening and closing plate, the other compression roller is rotatably arranged between the lower ends of the right opening and closing plate, connecting rods are respectively hinged on the left opening and closing plate and the right opening and closing plate, the connecting rods between the left opening and closing plate and the right opening and closing plate are in an inverted V shape, the tips of the connecting rods are rotatably connected through pin shafts, a third cylinder which is vertically arranged is arranged at one end of the second bracket, and the output end of the third cylinder is arranged right above the pin shaft between the connecting rods at the corresponding ends;
the upper end surfaces of the left opening plate and the right opening plate are inclined surfaces, first spring plungers are respectively arranged on upper brackets of the left opening plate and the right opening plate, and compression ends of the first spring plungers respectively lean against the inclined surfaces of the left opening plate and the right opening plate downwards so that the left opening plate and the right opening plate are in an open state;
the upper parts of the middle parts of the compression rollers at two sides are respectively and correspondingly provided with a buffer pressure regulating mechanism, the buffer pressure regulating mechanism comprises a fixing frame arranged on a second bracket, the lower end of the fixing frame is provided with a vertical chute which is arranged symmetrically left and right, a fixed shaft is arranged in the vertical chute in a sliding way, two ends of the fixed shaft are connected with buffer pinch rollers, a third spring plunger arranged on the fixing frame is arranged above the fixed shaft, and the lower end of the third spring plunger is propped against the fixed shaft;
the blanking mechanism comprises a third manipulator and a second telescopic cylinder, the second telescopic cylinder is arranged on the outer side of the blanking station through a third support, the output end of the second telescopic cylinder is used for pushing the lower end of a top plate of the curved surface screen positioning jig on the blanking station forwards, and the working end of the third manipulator is connected with a third vacuum chuck for sucking the curved surface screen.
2. The automatic film sticking device for a curved screen according to claim 1, wherein: the curved surface screen positioning jig comprises a base, wherein a supporting platform for supporting the curved surface screen is arranged on the base, and two end limiting blocks which are arranged at intervals are respectively arranged on the bases at two ends of the supporting platform;
a square through hole is formed between end limiting blocks at one end, a top plate is vertically arranged in the square through hole, the middle of the top plate is installed in the square through hole through a rotating shaft, the lower end of the top plate downwards extends out of the square through hole, a second spring plunger installed on a base is arranged at the rear side of the square through hole, and the compression end of the second spring plunger is forwards abutted to the upper portion of the top plate, so that the upper end of the top plate is forwards pressed against a curved surface screen.
3. The automatic film sticking device for a curved screen according to claim 2, wherein: the end limiting blocks are respectively arranged on the base in a sliding way through the sliding shafts, the lower ends of the sliding shafts penetrate through the base and are provided with limiting steps for limiting the sliding shafts to ascend, and the sliding shafts between the end limiting blocks and the base are also provided with first springs in a penetrating way.
4. The automatic film sticking device for a curved screen according to claim 2, wherein: the curved surface screen feeding mechanism comprises a first manipulator and a first telescopic cylinder, the first telescopic cylinder is arranged on the outer side of a curved surface screen feeding station through a first support, the output end of the first telescopic cylinder is used for jacking the lower end of a top plate of the curved surface screen positioning jig on the station forwards, and the working end of the first manipulator is connected with a first vacuum chuck for sucking the curved surface screen.
5. The automatic film sticking device for a curved screen according to claim 2, wherein: the curved surface screen positioning and protecting film feeding mechanism comprises a second manipulator and a curved surface screen width positioning mechanism, and the working end of the second manipulator is connected with a second vacuum chuck for sucking the protecting film;
the curved surface screen width positioning mechanism comprises a second support arranged at the outer side of the curved surface screen positioning and protecting film feeding station, and a positioning block and a second cylinder for driving the positioning block to slide along the linear guide rail are arranged on the second support through the linear guide rail;
the positioning blocks are provided with U-shaped grooves matched with the width of the supporting platform of the curved surface screen positioning jig, the opening ends of the U-shaped grooves face the curved surface screen positioning jig on the curved surface screen positioning and protecting film feeding station, and the positioning blocks on two sides of the U-shaped grooves are respectively provided with a row of limiting rollers for positioning the width of the curved surface screen in a rotating mode; the second cylinder is used for driving the U-shaped groove of the positioning block to move forward along the supporting platform of the curved surface screen positioning jig, and meanwhile, the precision of the width direction of the curved surface screen is positioned through the limiting rollers on the two sides.
6. The automatic film sticking device for a curved screen according to claim 1, wherein: the protection film straight-face film pasting mechanism comprises an X-axis module which is arranged on the outer side of a protection film straight-face film pasting station through a first support, the X-axis module is arranged right above the protection film straight-face film pasting station and is parallel to a curved surface screen positioning jig on the protection film straight-face film pasting station, a lifting cylinder which transversely slides along the X-axis module is connected to the X-axis module, the output end of the lifting cylinder faces downwards and is connected with a curved surface screen plane protection film pressing and pasting mechanism, the plane protection film pressing and pasting mechanism comprises a rectangular support with an opening at the lower end, and two pressing wheels which are arranged side by side are rotatably arranged at the lower end of the rectangular support.
7. The automatic film sticking device for a curved screen according to claim 6, wherein: the two ends of the rectangular support above the pressing wheel are provided with vertical sliding grooves, a supporting shaft is arranged between the vertical sliding grooves, the middle of the supporting shaft is provided with two buffer pressure regulating rollers arranged at intervals, and two ends of the supporting shaft are provided with limiting steps for limiting the supporting shaft to axially slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811440748.8A CN109592109B (en) | 2018-11-29 | 2018-11-29 | Automatic pad pasting device of curved surface screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811440748.8A CN109592109B (en) | 2018-11-29 | 2018-11-29 | Automatic pad pasting device of curved surface screen |
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| CN109592109A CN109592109A (en) | 2019-04-09 |
| CN109592109B true CN109592109B (en) | 2023-12-29 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110136584B (en) * | 2019-05-15 | 2022-02-01 | 京东方科技集团股份有限公司 | Curved surface screen membrane material attaching device |
| CN110481000A (en) * | 2019-09-16 | 2019-11-22 | 四川金冠电子机械有限公司 | A kind of laminator |
| CN110978484A (en) * | 2019-11-15 | 2020-04-10 | 深圳市华东兴科技有限公司 | Curved surface screen pad pasting equipment |
| CN111115189B (en) * | 2019-12-30 | 2023-04-14 | 苏州富强科技有限公司 | Full-automatic assembly line integrating feeding, positioning, film pasting and discharging |
| CN111791473B (en) * | 2020-06-23 | 2021-07-23 | 深圳橙子自动化有限公司 | Film sticking machine |
| CN112060561B (en) * | 2020-10-19 | 2022-09-06 | 九江力达科技股份有限公司 | Film pasting method |
| CN112678496A (en) * | 2020-12-22 | 2021-04-20 | 深圳市巴科光电科技股份有限公司 | Double-station pressure-sensitive adhesive pasting device for Mini LED display device |
| CN112848261A (en) * | 2021-01-21 | 2021-05-28 | 史桂兰 | Method for manufacturing optical glass |
| CN112895412A (en) * | 2021-01-21 | 2021-06-04 | 史桂兰 | Optical glass manufacturing and processing system |
| CN115009580A (en) * | 2021-03-03 | 2022-09-06 | 北京小米移动软件有限公司 | Film sticking device and film sticking method |
| CN113715307B (en) * | 2021-08-31 | 2023-04-11 | 深圳比途科技有限公司 | Curved surface protection film forming device and process |
| CN114644145B (en) * | 2022-05-23 | 2023-01-24 | 江苏科瑞恩科技股份有限公司 | Film pasting equipment |
| CN115303540B (en) * | 2022-07-25 | 2023-11-10 | 荣耀终端有限公司 | Film laminating equipment |
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