CN111791473B

CN111791473B - Film sticking machine

Info

Publication number: CN111791473B
Application number: CN202010595325.4A
Authority: CN
Inventors: 黄亮; 邵勇锋; 刘龑; 黄龙
Original assignee: Shenzhen Ioranges Automation Co ltd
Current assignee: Shenzhen Ioranges Automation Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-07-23
Anticipated expiration: 2040-06-23
Also published as: CN111791473A

Abstract

The invention discloses a film sticking machine which comprises a conveying device, a film sticking rolling device and a jacking mechanism, wherein the film sticking rolling mechanism comprises a rolling mechanism and a moving mechanism, and a roller in a closed state is pressed against a workpiece attached with a protective film through the moving mechanism. The rolling driving component drives the rollers to move in the opposite direction or in the opposite direction, so that the pair of rollers can be folded or unfolded, and the surface of a workpiece can be rolled. During rolling, the jacking power element can move the jacking table to the roller direction for setting displacement when the rollers move to the first position in a separated mode, so that the rollers roll the curved surfaces on two sides of the workpiece. Therefore, the workpiece curved surface can be rolled through the matching of the rolling mechanism and the jacking mechanism, the firm adhesion of the protective film is realized, the film sticking yield is improved, and the production efficiency is favorably improved.

Description

Film sticking machine

Technical Field

The invention relates to the field of processing, in particular to a film sticking machine.

Background

In general, in order to protect a display screen of an electronic device such as a mobile phone or a tablet computer, a protective film needs to be attached to the display screen before shipment. The existing film sticking machine is only suitable for sticking a film on a flat screen, and for sticking a film on a 2.5D or 3D curved surface with a curved surface, the protective film on the curved surface is difficult to firmly stick, so that the film sticking yield is low, and the production efficiency is influenced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a film sticking machine which is provided with a film sticking rolling device and can roll the curved surface after film sticking so as to ensure firm film sticking.

The film sticking machine is used for sticking a protective film on the surface of a curved screen and comprises a conveying device, a fixing device and a fixing device, wherein the conveying device is used for operating the curved screen and is provided with a jig used for fixing the curved screen;

the film pasting and rolling device is used for rolling the protective film attached to the curved screen, and comprises a rolling mechanism and a moving mechanism, wherein the rolling mechanism comprises a rolling driving assembly and a pair of rollers arranged in parallel, the rollers are connected to the rolling driving assembly, and the rolling driving assembly is used for driving the rollers to move in opposite directions or in opposite directions; the moving mechanism is used for driving the rolling mechanism to reciprocate so as to enable the roller to be pressed against or away from the protective film on the curved screen;

the jacking mechanism comprises a jacking power element and a jacking table, the jacking table is used for bearing the curved screen, and the jacking power element can drive the jacking table and the roller to move in an opposite direction or in an opposite direction;

the rollers roll the curved surface of the curved screen through the opposite or separated motion between the pair of rollers and the opposite or separated motion between the rollers and the jacking table.

The film sticking machine at least has the following technical effects that the roller in a closed state is pressed against the curved screen adhered with the protective film through the moving mechanism, the roller is driven to move in the opposite direction or in the opposite direction through the rolling driving assembly, the pair of rollers are closed or unfolded, and the protective film adhered to the curved screen can be rolled while the roller is unfolded. During rolling, the jacking power element can move the jacking table to the roller direction for setting displacement when the roller moves to the first position in a separated mode, so that the roller rolls the curved surfaces on two sides of the curved surface screen. From this, can roll press curved surface screen curved surface department through the cooperation of rolling mechanism and climbing mechanism, realize firmly pasting of protection film to improve the pad pasting yield, be favorable to improving production efficiency.

According to some embodiments of the invention, the jacking power element can drive the jacking table to move towards the roller by a set displacement while the roller moves away to a set first position.

According to some embodiments of the invention, the rolling mechanism further comprises a pair of roller supports, the roller supports are connected to the rolling driving assembly, each roller is rotatably connected to each roller support, and the rolling driving assembly is used for driving the roller supports to move towards or away from each other.

According to some embodiments of the invention, the film sticking machine further comprises a first cleaning device, the first cleaning device is capable of cleaning the curved screen by a flexible cleaning member, the first cleaning device comprises a profiling cleaning head and a first driving device, the profiling cleaning head is provided with a cavity for accommodating at least part of the portion to be cleaned of the curved screen, the profiling cleaning head is used for enabling the flexible cleaning member to contact the portion to be cleaned, and the first driving device is capable of driving the profiling cleaning head to move relative to the curved screen.

According to some embodiments of the invention, the first cleaning device further comprises a mounting frame, a receiving assembly and a feeding assembly, the feeding assembly is used for releasing the flexible cleaning piece, the receiving assembly is used for furling the flexible cleaning piece, the feeding assembly, the receiving assembly and the profiling cleaning head are all fixedly connected with the mounting frame, and the first driving device can drive the mounting frame to move relative to the curved screen.

According to some embodiments of the invention, the profiling cleaning head is provided with a liquid injection hole communicated with the cavity.

According to some embodiments of the invention, the laminator further comprises a film stripping device capable of stripping an outer film of the protective film from a base layer by an adhesive tape, the film stripping device comprises a first film pressing part and a second film pressing part, a gap for the adhesive tape and the protective film to pass through is formed between the first film pressing part and the second film pressing part, and the first film pressing part and the second film pressing part can move mutually to press the adhesive tape and the protective film.

According to some embodiments of the present invention, the first lamination portion includes a first lamination roller and a first driving member capable of driving the first lamination roller to approach or move away toward the second lamination portion.

According to some embodiments of the present invention, the film sticking machine includes a film sticking assembly including a film sticking portion for fixing the protective film, a first positioning portion located below the film sticking portion, a second positioning portion capable of positioning the protective film moved above the first positioning portion, and a moving module; the second positioning part is used for positioning the curved screen below the second positioning part, and the moving module can drive the film pasting part to move relative to the curved screen.

According to some embodiments of the present invention, the film sticking portion includes an adsorption plate positioned at a side portion of the adsorption plate, the adsorption plate being inclined with respect to a horizontal plane, the adsorption plate being for adsorbing the protective film, and a press roller capable of pressing down the protective film to separate the protective film from the adsorption plate.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic structural diagram of a film laminator according to an embodiment of the invention;

FIG. 2 is a schematic structural view of a conveying device and a jacking mechanism of the laminator;

FIG. 3 is a schematic structural diagram of a conveying device, a jacking mechanism and a film laminating and rolling device of the film laminating machine;

FIG. 4 is a schematic structural view of a film laminating and rolling device of the film laminating machine;

FIG. 5 is a schematic view of a partial structure of a film laminating and rolling device;

FIG. 6 is a schematic structural view of a first cleaning device of the laminator;

FIG. 7 is a schematic view of another angle of the first cleaning device of the laminator;

FIG. 8 is a schematic view of the configuration of the contoured cleaning head of the first cleaning device;

FIG. 9 is a schematic structural diagram of a film stripping device of the film sticking machine;

FIG. 10 is a schematic view of a portion of the structure of FIG. 9;

FIG. 11 is a schematic view of a portion of the structure of FIG. 10;

FIG. 12 is a schematic view of a portion of the structure of FIG. 11;

FIG. 13 is a schematic structural view of a film sticking assembly of the film sticking machine;

FIG. 14 is a schematic structural view of a positioning part of the laminator;

fig. 15 is a partial structural schematic view of fig. 13.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

With reference to fig. 1 to 5, a film sticking machine is used to stick a protection film on the surface of a curved screen, and the film sticking machine includes a conveying device 200, a film sticking rolling device 300, and a jacking mechanism 400. Four jigs 210 are arranged on the conveying device 200, the jigs are used for fixing the curved screen 001, and the conveying device 200 is used for operating the curved screen 001 and pausing at each station. The conveying device may be a four-station turntable structure as shown in fig. 2, and the operation and stopping of the four-station turntable structure are realized by using a known technology, which is not described herein again, and may be other types of conveying devices in the field.

The conveying device 200, the jacking mechanisms 400 and the film laminating and rolling device 300 are all fixed on the lower rack 100, the number of the jacking mechanisms 400 is four, and the jacking mechanisms 400 are arranged at four stations and below the conveying device 200.

The film sticking and rolling device 300 is arranged at a fourth station and comprises a rolling mechanism 310, the rolling mechanism 310 comprises a rolling driving component and a pair of rollers 313 arranged in parallel, the rollers 313 are connected to the rolling driving component, and the rolling driving component is used for driving the rollers 313 to move in a face-to-face or away-to-face mode, so that the pair of rollers 313 can be folded or unfolded. The unfolding distance of the roller 313 is reasonably set according to the size of the curved screen 001, and the roller 313 is guaranteed to be unfolded to the position where the edge of the curved screen 001 can be rolled.

The jacking mechanism 400 comprises a jacking power element 410 and a jacking table 420, the jacking table 420 is used for bearing the curved screen 001, the jacking power element 410 can drive the jacking table 420 and the roller 313 to move in an opposite direction or in an opposite direction, the jacking table 420 and the roller 313 can move in an opposite direction or in an opposite direction, the roller 313 is fixed in the vertical direction, the jacking power element 410 drives the jacking table 420 to move upwards, so that the jacking table 420 and the roller 313 move in an opposite direction, and after rolling operation is completed, the jacking power element 410 drives the jacking table 420 to move downwards, so that the jacking table 420 and the roller 313 move in an opposite direction; the movement of the jacking table 420 and the roller 313 towards or away from each other can also be realized in such a way that the film laminating and rolling device 300 further comprises a moving mechanism 320, and the moving mechanism 320 is used for driving the rolling mechanism 310 to reciprocate so as to press the roller 313 against or away from the curved screen 001 to be rolled. When the jacking table 420 and the roller 313 move towards each other, the jacking power element 410 drives the jacking table 420 to move upwards, and meanwhile, the moving mechanism 320 drives the rolling mechanism 310 to move downwards; and conversely, the jacking table 420 and the roller 313 are moved away from each other.

According to some embodiments of the present invention, during rolling, the jacking power element 410 can move the jacking table 420 towards the roller 313 for a set displacement while the roller 313 moves away from the first position, so that the roller 313 rolls the curved surfaces on two sides of the curved screen 001. Therefore, the curved surface of the curved screen 001 can be rolled through the matching of the rolling mechanism 310 and the jacking mechanism 400, so that the firm adhesion of the protective film is realized, the film sticking yield is improved, and the production efficiency is improved.

In particular embodiments, the stitching mechanism 310 may also include a mounting plate for mounting the stitching drive assembly. The rolling mechanism 100 is connected to the moving mechanism 320 by a mounting plate. The moving mechanism 320 may include a telescopic cylinder 321 and a base 322, the telescopic cylinder 321 is fixedly connected to the base 322, and the telescopic cylinder 321 drives the mounting plate to reciprocate through a telescopic rod to realize the movement of the rolling mechanism 310.

According to some embodiments of the present invention, the rolling mechanism 310 further includes a pair of roller brackets 314, the roller brackets 314 are used as mounting brackets for the rollers 313 and are connected to the rolling driving assembly, and each roller 313 is rotatably connected to each roller bracket 314. The rolling driving assembly is used for driving the roller brackets 314 to move towards or away from each other so as to enable the rollers 313 to fold or unfold, and the fixed installation and the transmission connection of the rollers 313 are realized.

According to some embodiments of the present invention, roller carriage 314 includes a carriage 3141 and an adjustment member 3142, carriage 3141 is coupled to a roller drive assembly, and adjustment member 3142 is coupled to carriage 3141. The position of the adjusting member 3142 connected with the frame body 3141 is adjustable, the roller 313 is connected with the adjusting member 3142, and the position of the roller 313 relative to the frame body 3141 can be adjusted through the adjusting member 3142, so that the relative positions of the two rollers 313 and the frame body 3141 can be adjusted. Specifically, as shown in fig. 4, the adjusting member 3142 is provided with an installation hole 3143 and an adjusting hole 3144, the adjusting hole 3144 is a waist-shaped hole curved in an arc shape, and the adjusting hole 3144 takes the center of the installation hole 3143 as a center of a circle. The frame body 3141 is provided with a connecting hole corresponding to the mounting hole 3143 and the adjusting hole 3144 respectively, when the adjusting device is mounted, a fastener is mounted on the mounting hole 3143 and the connecting hole, the fastener is not fastened temporarily, another fastener penetrates through the adjusting hole 3144 and the connecting hole, the adjusting piece 3142 is rotated along the mounting hole 3143, the adjusting hole 3144 can provide an avoiding space for the adjusting piece 3142 to rotate relative to the fastener, when the adjusting piece 3142 is rotated to a required position, the fastener penetrating through the adjusting hole 3144 and the mounting hole 3143 is fastened, the adjusting piece 3142 can be connected to the frame body 3141 according to the required position, the roller 313 is connected to the adjusting piece 3142, and therefore, the position of the roller 313 is adjusted. When the adjustment is needed again, the fastener is loosened to enable the adjusting piece 3142 to rotate relative to the frame body 3141, and the adjusting piece 3142 is rotated to a required position and then the fastener is screwed and fixed. The rotation of the adjusting member 3142 can adjust the distance of the roller 313 relative to the frame body 3141, so that the rolling requirements of screens 001 with different curved surfaces can be met. For example, when the roller 313 is installed and debugged, the roller 313 is moved to the curved surface of the curved screen 001 to be rolled, and the roller 313 can be better attached to the curved surface of the curved screen 001 by adjusting the position of the roller 313, so that the quality of curved surface rolling is improved. In addition, the adjusting members 3142 on the two roller supports 314 can rotate in opposite directions to reduce the distance between the two rollers 313, so that the distance between the rollers 313 when rolling is started can be further reduced when the frame bodies 3141 are closed to abut against each other.

According to some embodiments of the present invention, the rolling driving mechanism can drive the rollers 313 to move synchronously, the rolling mechanism 310 further includes a first position sensor 315, when at least one roller 313 reaches the first position, the first position sensor 315 is triggered, and the jacking power element 410 is electrically connected to the first position sensor 315. During rolling, when the roller 313 moves to trigger the first position sensor 315, the roller 313 reaches the first position, the jacking power element 410 moves the jacking table 420 to the direction of the roller 313 for setting displacement, and the roller 313 is continuously unfolded, so that the roller 313 rolls curved surfaces on two sides of the curved screen 001. The movement of the rollers 313 is synchronised so that only the position of one of the rollers 313 needs to be detected. It can be understood that two first position sensors 315 may be provided to detect the positions of the two rollers 313, respectively.

According to the above embodiment, the rolling mechanism 310 further includes a second position sensor 316, the second position sensor 316 is located outside the first position sensor 315, the second position sensor 316 is triggered when the at least one roller 313 reaches the second position, and the second position sensor 316 is electrically connected to the rolling driving assembly. The rolling driving assembly drives the roller 313 to move away from each other and stop at the second position, and the jacking power element 410 continues to jack the jacking table 420 towards the roller 313, so that the roller 313 rolls on the curved surfaces on the two sides of the curved screen 001. After the jacking is set to be shifted, rolling of the curved surfaces on two sides of the curved screen 001 is completed, and the set shift is reasonably set according to the thickness of the curved screen 001 and the curved surface of the side face, so that the roller 313 can be completely rolled to the edge of the curved surface. The first position sensor 315 and the second position sensor 316 can be groove-shaped photoelectric switches, the roller 313 or the roller support 314 is connected with the sensing piece 317, and when the sensing piece 317 passes through the groove-shaped photoelectric switches, light can be shielded, and photoelectric sensing is achieved.

According to some embodiments of the present invention, the rolling driving assembly comprises a rolling power element 311 and a transmission assembly 312, the transmission assembly 312 comprises a bidirectional screw 3121 and a pair of moving members 3122, wherein the bidirectional screw 3121 is connected to the rolling power element 311, and the rolling power element 311 is used for driving the bidirectional screw 3121 to rotate. The bidirectional screw 3121 is provided with two sections of thread structures with opposite turning directions: a thread formation 3123a, a thread formation 3123 b. The moving members 3122 are respectively screwed to the

screw structures

3123a and 3123b, and the rollers 313 are respectively connected to the moving members 3122. Therefore, the rolling power element 311 drives the bidirectional screw 3121 to rotate, so as to drive the moving members 3122 to move towards or away from each other, thereby realizing the folding or unfolding of the roller 313. The rolling power element 311 may be a servomotor. The output shaft of the servo motor can be connected with the bidirectional lead screw 3121 through the belt transmission mechanism 324, and the rotation of the output shaft of the servo motor is transmitted to the bidirectional lead screw 3121 through the belt transmission mechanism 324, so that the bidirectional lead screw 3121 is driven. The rolling mechanism 310 may further include a first slide rail 318 extending along the direction of the bidirectional screw 3121, and the roller bracket 314 may be provided with a first slider 319 slidably connected to the first slide rail 318, so that when the bidirectional screw 3121 is driven to rotate, the roller bracket 314 can slide along the first slide rail 318 through the first slider 319.

According to some embodiments of the present invention, the jacking power element 410 may be a screw rod stepping motor, the jacking stage 420 is connected to a screw rod of the screw rod stepping motor, the jacking stage 420 is driven by the screw rod stepping motor to jack the curved screen 001, a requirement for rolling pressure can be met, and pressure adjustment is achieved by the screw rod stepping motor. In some embodiments, the stitching mechanism 310 further comprises a pressure sensor for detecting the pressure between the roller cylinder 313 and the curved screen 001 to be stitched. The pressure sensor can be electrically connected with the screw rod stepping motor, so that the jacking action of the screw rod stepping motor can be controlled through pressure feedback between the roller 313 and the curved screen 001, and the rolling pressure adjustment is realized.

According to some embodiments of the present invention, as shown in fig. 1, 6 to 8, in order to improve the film-attaching effect, it is usually necessary to clean the curved screen before film-attaching, in this embodiment, a first cleaning device 500 is provided, and the first cleaning device 500 is used for cleaning the surface of the curved screen 001 running to the second station. The first cleaning device 500 is disposed above the conveyor 200, and the first cleaning device 500 cleans the curved screen 001 by a flexible cleaning member, including a profiling cleaning head 510 and a first driving device 520.

As shown in fig. 8, the profiling cleaning head 510 is provided with a cavity for accommodating at least part of the curved screen 001 to be cleaned, and it can be understood that the part of the curved screen 001 to be cleaned in the cavity is a part of the curved screen 001 to be cleaned in the cavity or all parts of the curved screen 001 to be cleaned in the cavity. In this embodiment, the bottom surface of the cavity of the contoured cleaning head 510 includes a planar surface 512 and an arcuate surface 511, the arcuate surfaces 511 being located on either side of the planar surface 512. The flexible cleaning piece is arranged between the curved screen 001 and the profiling cleaning head 510, and the profiling cleaning head 510 is used for enabling the flexible cleaning piece to contact with the part to be cleaned of the curved screen 001. The first driving device 520 is used for driving the flexible cleaning member and the curved screen 001 to move relatively, and the relative movement between the flexible cleaning member and the curved screen 001 can be realized as follows: the curved screen 001 is fixed on the conveying device and operates to the second station for stopping, and the first driving device 520 drives the flexible cleaning piece and the profiling cleaning head 510 to move simultaneously, so that the flexible cleaning piece and the curved screen 001 move relatively. The flexible cleaning piece in the embodiment can be specifically dust-free wiping cloth which is good in dust removal effect and cannot damage the surface of the curved screen, and the dust-free wiping cloth can be common dust-free cloth or superfine fiber dust-free cloth and the like.

According to some embodiments of the present invention, the first cleaning device 500 further comprises a mounting frame 530, a receiving assembly 540, and a discharging assembly 550, wherein the discharging assembly 550 is used for releasing the flexible cleaning member, and the receiving assembly 540 is used for retracting the flexible cleaning member. The mounting frame 530 has a back plate, a top plate, two side plates, and a bottom plate as shown in fig. 6 to 7. The back plate, the top plate, the two side plates and the bottom plate form a cavity. Blowing subassembly 550, receive material subassembly 540 and profile modeling cleaning head 510 all with mounting bracket 530 fixed connection, specific fixed connection mode is: the feeding assembly 550 and the receiving assembly 540 are placed in the cavity and mounted on the back plate, and the profiling cleaning head 510 is fixedly connected with the mounting frame 530 through the mounting plate 560. The contoured cleaning head 510 is removably mounted to the mounting plate 560 for easy cleaning, maintenance or replacement of the contoured cleaning head. It will be appreciated that the contoured cleaning head 510 and the mounting plate 560 can be attached by a threaded connection, snap fit, or suction fit. The first driving device 520 can drive the mounting frame 530 to move relative to the curved screen 001, so that the flexible cleaning piece moves relative to the curved screen 001 to clean the curved screen 001.

In some embodiments of the present invention, the flexible cleaning element is replaced after being used for a plurality of times, and in order to make the flexible cleaning element fully utilized and replaced in time, a sensor 570 is disposed on the mounting frame 530 for recording the number of relative movements between the flexible cleaning element and the curved screen. The change threshold value is set according to the cleaning force of the flexible cleaning piece, the data detected by the sensor 570 is compared with the change threshold value, whether the flexible cleaning piece is changed or not is determined, when the flexible cleaning piece needs to be changed, the material receiving motor is controlled to work, the material receiving motor drives the material receiving assembly 540 to rotate, the dirty flexible cleaning piece is packed up, the material placing assembly 550 is driven to work, the clean flexible cleaning piece is released, and automatic change of the flexible cleaning piece is achieved. Through the use of the sensor 570, the flexible cleaning piece can be fully utilized and can be replaced in time, the cost can be saved, the cleaning effect can be guaranteed, and the film pasting automation can be conveniently realized. The transmission mechanism between the material receiving motor and the material receiving assembly 540 may be a belt transmission mechanism as shown in fig. 7, or may be other transmission mechanisms in the art, such as a gear transmission mechanism, a chain transmission mechanism, etc.

In some embodiments of the present invention, the container for cleaning solution may be a barrel 580 as shown in fig. 6, the barrel 580 being mounted on the mounting frame 530 through a bracket; it will be appreciated that the container for cleaning fluid may also be an external container. In order to spray the cleaning liquid from the bucket 580 onto the dust-free cloth, a liquid injection hole communicated with the cavity is provided on the profiling cleaning head 510, and the cleaning liquid is sprayed onto the flexible cleaning member through the liquid injection hole. In order to uniformly spray the cleaning liquid on the flexible cleaning member, a plurality of liquid injection holes are provided on the profiling cleaning head 510, and the plurality of holes are arranged along the length direction of the profiling cleaning head 510. In this embodiment, the cleaning solution specifically is alcohol, and alcohol can effectually get rid of filth such as the fingerprint on curved surface screen surface, and to the cell-phone curved surface screen in this embodiment, the injection amount control of alcohol is 0 ~ 5ml/s, can effectually get rid of the surperficial filth of curved surface screen and be difficult for remaining. It is understood that the corresponding alcohol injection amount may be set according to the size of the screen and the operation efficiency.

In some embodiments of the present invention, the profiling cleaning head 510 is made of a flexible material, and when the profiling cleaning head 510 acts on the curved screen, the profiling cleaning head can not only reduce the scratch on the curved screen, but also further adapt to the shape of the curved screen through the deformation of the profiling cleaning head, so that the flexible cleaning member can be fully contacted with the curved screen, and the cleaning effect is improved. It will be appreciated that the contoured cleaning head 510 may be made entirely of a flexible material, or the surface of the contoured cleaning head 510 may be made of a flexible material, such as rubber or super rubber.

In some embodiments of the present invention, a second drive 590 is mounted to the mounting frame 530, the second drive 590 being capable of driving the contoured cleaning head 510 toward and away from the curved screen 001. The second driving device 590 drives the profiling cleaning head to move towards the direction close to the curved screen until the profiling cleaning head 510 contacts the flexible cleaning part with the part to be cleaned of the curved screen 001, so that the flexible cleaning part is tightly attached to the curved screen 001, and the cleaning effect is improved. After cleaning, the second driving device 590 drives the profiling cleaning head 510 to move in a direction away from the curved screen 001, so as to prevent the profiling cleaning head 510 from obstructing the operation of the curved screen 001. As shown in FIG. 7, the second driving device 590 is fixedly disposed on the mounting frame 530, specifically on the back plate of the mounting frame 530, the second driving device 590 includes a driving member 591, a second sliding block 592, and a second sliding rail 593, the mounting plate 560 is fixedly mounted with the second sliding block 592, and the driving member 591 drives the second sliding block 592 to move up and down, so as to drive the contoured cleaning head 510 to approach or move away from the curved screen 001.

In some embodiments of the present invention, the laminator further includes a film peeling device 600 as shown in fig. 1, 9 to 12, the film peeling device 600 is disposed on the lower frame 100 and can peel an outer film of the protective film 680 from a base layer by an adhesive tape 660, and includes a first film pressing part 610 and a second film pressing part 620, as shown in fig. 10, the protective film 680 is placed on the adhesive tape 660 and moves in a front-back direction along with the adhesive tape 660. A gap through which the adhesive tape 660 and the protective film 680 pass is formed between the first and second

film pressing parts

610 and 620, and the first and second

film pressing parts

610 and 620 can move relative to each other to press the adhesive tape 660 and the protective film 680, thereby improving adhesiveness between the protective film 680 and the adhesive tape 660. In the present embodiment, the first film pressing part 610 and the second film pressing part 620 are moved relative to each other, and the gap between the first film pressing part 610 and the second film pressing part 620 is adjusted, thereby adjusting the roll pressure between the first film pressing part 610 and the second film pressing part 620. It is understood that the mutual movement between the first pressing film portion 610 and the second pressing film portion 620 may be: the first film pressing part 610 is fixed, and the second film pressing part 620 moves towards the first film pressing part 610; or the second film pressing part 620 is fixed, and the first film pressing part 610 moves towards the second film pressing part 620; or the first and second

pressing film portions

610 and 620 move toward each other.

In some embodiments of the present invention, as shown in fig. 10 to 12, the first squeeze film part 610 includes a first squeeze film roller 611, a first driving member 612, a first mounting plate 616, a second mounting plate 614 and a guide rod 615, the first driving member 612 is fixedly mounted on the first mounting plate 616, the first mounting plate 616 is provided with a hole for the output end of the first driving member 612 to protrude, the output end of the first driving member 612 is fixedly connected to the second mounting plate 614, the first squeeze film roller 611 is rotatably mounted on the second mounting plate 614, and the first squeeze film roller 611 can be driven to move up and down by the extension and retraction of the first driving member 612, so that the first squeeze film roller 611 is close to or far from the second squeeze film part 620. When the adhesive tape 660 carrying the protective film 680 moves to the position corresponding to the first film pressing part 610, the first driving component 612 drives the first film pressing roller 611 to move downwards, so that the first film pressing roller 611 moves towards the adhesive tape 660 to press the protective film 680 and the adhesive tape 660, the adhesive tape 660 carries the protective film 680 to move backwards continuously, after the protective film 680 leaves the action area of the first film pressing part 610, the first driving component 612 drives the first film pressing roller 611 to move upwards, and the first film pressing part 610 does not act on the adhesive tape 660 any more. In this embodiment, the first film pressing portion 610 is movable, so that the first film pressing portion 610 can be prevented from continuously acting on the adhesive tape 660, the protective film 680 is placed on the adhesive tape 660 at a certain position interval, and if the first film pressing portion 610 continuously acts on the adhesive tape 660, the adhesive tape 660 not covered by the protective film 680 is adhered to the first film pressing portion 610, so that the conveying reliability of the adhesive tape 660 is affected, and the reliability of the film peeling device 600 is affected. The first driving part 612 may be a cylinder as shown in fig. 12, and it is understood that the first driving part 612 may be other driving parts, such as a lead screw motor.

According to some embodiments of the present invention, the adhesive tape dispenser further comprises a loading assembly 670, the loading assembly 670 is used for placing the protective film 680 on the adhesive tape 660, and the loading assembly 670 comprises a bin 673, a protective film buffer plate 674, a first material-taking manipulator 671 and a second material-taking manipulator 672. Specifically describing the working process of the feeding assembly with reference to fig. 9, the first material taking robot 671 sucks the protective film 680 and locates above the protective film buffer plate 674, the first material taking robot 671 moves downward to place the protective film 680 on the protective film buffer plate 674, then the first material taking robot 671 and the second material taking robot 672 move rightward in synchronization, the first material taking robot 671 moves above the magazine 673, the second material taking robot 672 moves above the protective film buffer plate 674, the first material taking robot 671 and the second material taking robot 672 move downward respectively, the first material taking robot 671 takes out the protective film 680 from the magazine 673, the second material taking robot 672 sucks 680 the protective film from the protective film buffer plate 674, then the first material taking robot 671 and the second material taking robot 672 both move upward, the first material taking robot 671 and the second material taking robot 672 move leftward in synchronization, the first material taking manipulator 671 moves above the protective film buffer plate 674, the second material taking manipulator 672 moves above the adhesive tape 660, then the first material taking manipulator 671 and the second material taking manipulator 672 move downwards, the protective film 680 is placed on the protective film buffer plate 674 by the first material taking manipulator 671, the protective film 680 is placed on the adhesive tape 660 by the second material taking manipulator 672, and continuous feeding is achieved through the circulating action. Through setting up the material loading subassembly, be convenient for realize the protection film material loading automation, improve the work efficiency of shelling the membrane device.

According to some embodiments of the present invention, with reference to fig. 1, 12 to 15, the film laminator further includes a film laminating assembly 800, the film laminating assembly 800 includes a film laminating portion 810, a moving module, a positioning member 700, and the like, the positioning member 700 includes a first positioning portion 710 and a second positioning portion 720, and the moving module includes a first moving unit 820, a rotating unit 830, a second moving unit 840, and a third moving unit 850. The film sticking portion 810 is connected to the first moving unit 820, the first moving unit 820 is connected to the rotating unit 830, the rotating unit 830 is connected to the second moving unit 840, and the second moving unit 840 is connected to the third moving unit 850. CCD is selected for both the first positioning portion 710 and the second positioning portion 720, the first positioning portion 710 is located below the moving module, and the second positioning portion 720 is located above the curved screen at the third station.

Curved screen 001 is transported to the third station from the second station by conveyor 200, and the third station is the pad pasting station, and curved screen 001 is located the below of second location portion 720 this moment, and location of shooing is shielded to curved screen 001 through second location portion 720. The film portion 810 moves to the upper side of the first positioning portion 710 under the driving of the moving module, and the film portion 810 is fixed at the bottom of the protective film portion for photographing and positioning through the first positioning portion 710. The result of the photographing positioning of the curved screen and the protective film is compared to obtain the position deviation, and the part is the prior art and is not repeated. And then the film sticking part 810 is driven to move by the moving module, so that the position deviation is eliminated, and the protective film is aligned to the curved screen.

According to some embodiments of the present invention, the first moving unit 820 includes a first driving member 821, and the first driving member 821 drives the film sticking portion to move in a vertical direction through a lead screw assembly. Specifically, be equipped with lead screw and sliding block (not shown in the figure), lead screw and sliding block threaded connection, sliding block and pad pasting portion fixed connection. First driving piece 821 chooses for use the motor, and through motor drive lead screw around vertical axis rotation to make sliding block and pad pasting portion move along vertical direction. The rotating unit 830 includes a rotating unit driving member 831, the rotating unit driving member 831 selects a motor, the first moving unit 820 is connected to an output shaft of the motor, and the first moving unit 820 and the film sticking portion 810 are driven to rotate around a vertical shaft by the motor so as to adjust the placing angle of the protective film.

The second and third moving

units

840 and 850 are similar to the first moving unit 820, and the second driving member 841 drives the film portion 810 to move along the first horizontal direction, and the third driving member 851 drives the film portion 810 to move along the second horizontal direction.

Referring to fig. 15, a film sticking portion 810 includes a suction plate 811, a platen roller 812, a platen roller driver 813, a fixing frame 814, a suction plate driver 815, a rotating block 816, and the like. The adsorption plate 811 may fix the protective film to the bottom thereof by vacuum adsorption, and the protective film has a portion protruding out of the adsorption plate 811 and the protruding portion is located below the pressure roller 812. When the film is attached, the suction plate 811 is inclined with respect to the horizontal plane, and the press roller 812 is positioned on the side of the lowest end of the suction plate 811.

The adsorption plate 811 is driven by the moving module to reach above the curved screen 001, and the film starts to be attached after the protective film is aligned with the curved screen 001. The first moving unit 820 drives the adsorption plate 811 to move downward, and since the adsorption plate 811 is tilted, the lowest region of the protective film (i.e., the region of the protective film located below the pressure roller 812) first comes into contact with the curved panel. The pressure roller driver 813 drives the pressure roller 812 to move downwards, so that the protective film is pressed on the curved screen 001. The compression roller driving member 813 is an air cylinder, and the telescopic end of the air cylinder is fixedly connected with the compression roller 812. Then, the second moving unit 840 drives the entire film sticking portion 810 to move in the first horizontal direction, in which the protective film is gradually separated from the adsorption plate 811 and pressed against the curved screen by the pressing roller 812. Because adsorption plate 811 slopes to set up, when the pad pasting, the protection film is not laminated to the curved surface screen on in all regions simultaneously, but laminates gradually from one end to the other end, and the slope pad pasting can reduce the bubble between protection film and display screen, makes the two laminating degree higher, and the fastness is higher.

In addition, the adsorption plate 811 does not always keep an inclined state, and it keeps a horizontal state when the material taking region adsorbs and takes a material. After reaching the film pasting station, the adsorption plate 811 is driven to rotate by the adsorption plate driving member 815 so as to realize inclination. Specifically, the absorption plate 811 is rotatably connected to the fixing frame 814, and the absorption plate driving member 815 is fixedly connected to the fixing frame 814. The suction plate driving member 815 is a cylinder, the telescopic end of the cylinder is fixedly connected with the rotating block 816, and the rotating block 160 is rotatably connected with the suction plate 811. The suction plate driving unit 815 drives the rotating block 816 to move, so that the suction plate 811 can rotate relative to the rotating block 816.

According to some embodiments of the present invention, the film sticking machine further includes a second cleaning device 900, the second cleaning device 900 is disposed at a central position of the conveying device 200, and is used for cleaning the surface of the curved screen 001 running to the third station, the second cleaning device 900 is a dust-sticking roller cleaning device commonly used in the art, and the detailed structure thereof is not described again. Through the setting of second cleaning device 900, can further clean the surface of curved surface screen 001, make curved surface screen 001 surface clean, improve the pad pasting quality.

With reference to the foregoing embodiments, a film pasting method of a film pasting machine according to an embodiment of the present invention includes the following steps:

(A) placing the curved screen at a first station of a conveying device through manual work or a feeding and discharging mechanical arm;

(B) the conveying device operates the curved screen from the first station to the second station, and the first cleaning device is used for cleaning the curved screen;

(C) the conveying device operates the curved screen from the second station to the third station, and the second cleaning device is used for cleaning the curved screen; the film sticking part moves to a discharging position of the film peeling device to absorb the protective film and then moves to the position above the curved screen of the third station, the first positioning part is used for positioning and photographing the protective film, the second positioning part is used for positioning and photographing the curved screen, the photographing positioning structures of the curved screen and the protective film are compared to obtain position deviation, the film sticking part is driven to move by the moving module to eliminate the position deviation, the protective film is aligned to the curved screen, and the moving module is used for driving the film sticking part to move to stick the protective film to the curved screen;

(D) the conveying device operates the curved screen attached with the protective film from the third station to the fourth station, and the film attaching and rolling device rolls the protective film on the curved screen to enable the protective film to be better attached to the curved screen.

(E) The conveying device operates the curved screen from the fourth station to the first station, and the curved screen subjected to film sticking is fed manually or by a feeding and discharging manipulator.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims

1. Sticking film machine for with the attached surface of curved surface screen of protection film, its characterized in that includes:

a conveyor for running the curved screen;

the film sticking and rolling device is used for rolling the protective film attached to the curved screen, and comprises a rolling mechanism and a moving mechanism, the rolling mechanism comprises a rolling driving assembly and a pair of rollers arranged in parallel, the rollers are connected to the rolling driving assembly, the moving mechanism is used for driving the rolling mechanism to move in a reciprocating manner so as to enable the rollers to be pressed against or far away from the curved screen, the rolling driving assembly is used for driving the rollers to move in the opposite direction or in the opposite direction so as to realize the folding or unfolding of the pair of rollers, and the rollers can roll the protective film attached to the curved screen while being unfolded;

the jacking mechanism is arranged below the conveying device and comprises a jacking power element and a jacking table, the jacking table is used for bearing the curved screen, and the jacking power element can drive the jacking table and the roller to move in the opposite direction or in the opposite direction;

the rollers roll the curved surface of the curved screen through the opposite or separated motion between the pair of rollers and the opposite or separated motion between the rollers and the jacking table;

the jacking power element can drive the jacking table to move towards the roller for a set displacement while the roller moves to a set first position in a separated mode, so that the roller rolls curved surfaces on two sides of the curved screen.

2. The film laminator according to claim 1, wherein: the rolling mechanism further comprises a pair of roller supports, the roller supports are connected to the rolling driving assembly, the rollers are respectively and rotatably connected to the roller supports, and the rolling driving assembly is used for driving the roller supports to move in the opposite direction or in the opposite direction.

3. The film laminator according to claim 1, wherein: the laminator still includes first cleaning device, first cleaning device can be right through flexible cleaning piece the curved surface screen cleans, first cleaning device includes profile modeling cleaning head and a drive arrangement, the profile modeling cleaning head is equipped with the cavity, the cavity is used for holding at least part the position of waiting to clean of curved surface screen, the profile modeling cleaning head is used for making flexible cleaning piece contact treat clean position, a drive arrangement can drive flexible cleaning piece for the curved surface screen motion.

4. The film laminator according to claim 3, wherein: the first cleaning device further comprises an installation frame, a material receiving assembly and a material discharging assembly, the material discharging assembly is used for releasing the flexible cleaning pieces, the material receiving assembly is used for furling the flexible cleaning pieces, the material discharging assembly, the material receiving assembly and the profiling cleaning head are fixedly connected with the installation frame, and the first driving device can drive the installation frame to move relative to the curved screen.

5. The film laminator according to claim 3, wherein: and a liquid injection hole communicated with the cavity is formed in the profiling cleaning head.

6. The film laminator according to claim 1, wherein: the sticking film machine is still including shelling the membrane device, it will to shell the membrane device can be through the sticky tape the outer membrane of protection film strips from the basic unit, it includes first pressure membrane portion and second pressure membrane portion to shell the membrane device, first pressure membrane portion with the confession has between the second pressure membrane portion the sticky tape reaches the clearance that the protection film passed, first pressure membrane portion with can take place the reciprocal motion between the second pressure membrane portion in order to extrude the sticky tape reaches the protection film.

7. The film laminator according to claim 6, wherein: the first film pressing part comprises a first film pressing roller and a first driving part, and the first driving part can drive the first film pressing roller to be close to or far away from the second film pressing part.

8. The film laminator according to claim 1, wherein: the film sticking machine comprises a film sticking assembly, the film sticking assembly comprises a film sticking part, a first positioning part, a second positioning part and a moving module, the film sticking part is used for fixing the protective film, the first positioning part is positioned below the film sticking part, and the first positioning part can position the protective film which moves to the position above the first positioning part; the second positioning part is used for positioning the curved screen below the second positioning part, and the moving module can drive the film pasting part to move relative to the curved screen.

9. The film laminator according to claim 8, wherein: the pad pasting portion includes adsorption plate and compression roller, the compression roller is located the lateral part of adsorption plate, the adsorption plate is for the horizontal plane slope, the adsorption plate is used for adsorbing the protection film, the compression roller can with the protection film pushes down so that the protection film with the adsorption plate separation.