CN210680008U

CN210680008U - Vehicle-mounted backlight automatic film laminating equipment aligned through vision

Info

Publication number: CN210680008U
Application number: CN201920820085.6U
Authority: CN
Inventors: 许良友; 李浩良
Original assignee: HUIZHOU WAI CHI ELECTRONICS Ltd
Current assignee: HUIZHOU WAI CHI ELECTRONICS Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-06-05
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a vehicle-mounted backlight automatic film laminating equipment through visual alignment, which comprises a rotary platform, at least one film tearing mechanism, at least one group of visual mechanism and at least one mechanical arm, wherein the film tearing mechanism, the visual mechanism and the mechanical arm are all arranged outside the rotary platform, the rotary platform transfers a film to be laminated or a backlight bottom frame coated with a film, the film tearing mechanism tears off a protective film on the film, the visual mechanism identifies the backlight bottom frame and/or the position of the film to be laminated, and the mechanical arm covers the film processed by the film tearing mechanism onto the backlight bottom frame of the film to be laminated; the rotary platform is provided with a plurality of positioning clamps, and each positioning clamp can rotate around the center of the rotary platform; tear membrane mechanism including peeling off the subassembly, peel off the subassembly including peeling off a material and diaphragm transfer platform, diaphragm transfer platform sets up and peels off a material ejection of compact one side. The utility model is used for the automated processing production of on-vehicle backlight pad pasting process.

Description

Vehicle-mounted backlight automatic film laminating equipment aligned through vision

Technical Field

The invention relates to the technical field of automatic film laminating equipment, in particular to vehicle-mounted backlight automatic film laminating equipment aligned through vision.

Background

With the continuous improvement of living standard of people, the demand of electronic products is increasing, and the requirements of people for the electronic products are also increasing, wherein, an LED backlight source (for short, backlight) is used as an indispensable part of display electronic products, and the demand is increasing day by day. The backlight products widely applied to the market at present comprise a multilayer diaphragm structure such as a brightness enhancement film and a diffusion film, the requirement on the precision of diaphragm pasting is high, the traditional production process of backlight diaphragm pasting is manual assembly pasting, but a plurality of unstable factors of manual pasting affect the yield and the quality of products. Firstly, manual film pasting consumes time and labor, and the production efficiency is low; secondly, the manual film pasting precision is low, and the quality is difficult to guarantee; thirdly, in order to meet the requirement of mass production, the film sticking process needs more labor, is difficult to recruit workers and has high labor cost.

Disclosure of Invention

The invention provides an automatic laminating device for solving the technical problem aiming at the defects in the background technology.

In order to solve the technical problems, the technical scheme of the invention is as follows: a vehicle-mounted backlight automatic film laminating device through visual alignment comprises a rotary platform, at least one film tearing mechanism, at least one group of visual mechanisms and at least one mechanical arm, wherein the film tearing mechanism, the visual mechanisms and the mechanical arm are arranged on the outer side of the rotary platform, the rotary platform transfers a film to be laminated or a backlight bottom frame of the film to be laminated, the film tearing mechanism tears off a protective film on the film, the visual mechanism identifies the backlight bottom frame of the film to be laminated and/or the position of the film, and the mechanical arm covers the film processed by the film tearing mechanism onto the backlight bottom frame of the film to be laminated; the rotary platform is provided with a plurality of positioning clamps, and each positioning clamp can rotate around the center of the rotary platform; tear membrane mechanism including peeling off the subassembly, peel off the subassembly including peeling off a material and diaphragm transfer platform, diaphragm transfer platform sets up and peels off a material ejection of compact one side.

Further, tear film mechanism still includes receives and releases the material subassembly, receive and release the material subassembly and include the through-shaft, the through-shaft setting is peeling off a material feeding one side.

Furthermore, the material receiving and discharging assembly further comprises a film material limiting block, wherein the film material limiting block is arranged on the shaft, and the position of the film material limiting block is adjustable in the axial direction of the shaft.

Furthermore, receive the blowing subassembly still including receiving material axle and blowing axle, the blowing axle is used for carrying the diaphragm coil stock, receive the protection film that the diaphragm peeled off on the axle recovery diaphragm.

Further, the position of the through shaft can be adjusted to tension the membrane tape and/or the peeled protective membrane.

Furthermore, a plurality of groups of through holes are formed in the transfer platform.

Furthermore, four groups of film tearing mechanisms and two groups of mechanical arms are arranged on the outer side of the rotating platform, and a group of mechanical arms is arranged between the two groups of film tearing mechanisms.

Furthermore, four groups of visual mechanisms are arranged on the outer side of the rotating platform, and every two groups of visual mechanisms correspond to one group of mechanical arms.

Further, every group the vision mechanism includes first vision subassembly, second vision subassembly, third vision subassembly and fourth vision subassembly, first vision subassembly is used for waiting to adorn the position identification of diaphragm, the second vision subassembly is used for the position identification of underframe, the third vision subassembly is used for the discernment of underframe position after having laminated film piece, the fourth vision subassembly is used for waiting to adorn the position identification of diaphragm.

The film tearing mechanism, the vision mechanism, the manipulator and the rotating platform are all arranged on the frame; an air purification structure is further arranged on the rack.

The beneficial effects realized by the invention mainly comprise the following points: the automatic film laminating equipment comprises a film tearing mechanism, a vision mechanism, a manipulator and a rotating platform, can continuously and automatically finish the film laminating of a plurality of films on a backlight product, can improve the production efficiency and reduce the labor cost, and simultaneously improves the mounting precision of the films and ensures the quality of a backlight module; the film tearing mechanism comprises a stripping piece and a film transfer platform, the stripping piece and the film transfer platform are matched to continuously peel off protective adhesive paper on the film, so that continuous and efficient film tearing can be realized, the production efficiency of film installation is further improved, and the labor cost is reduced.

Drawings

FIG. 1 is a schematic view of a whole structure of an automatic film deposition apparatus according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an automatic film deposition apparatus (without a frame) according to a first embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a film tearing mechanism of an automatic film laminating apparatus according to a first embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a vision mechanism, a manipulator and a rotary platform of an automatic film coating apparatus according to an embodiment of the present invention;

fig. 5 is a schematic view of the working principle of the film tearing mechanism of the automatic film covering apparatus according to the first embodiment of the present invention.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1-5, the vehicle-mounted backlight automatic laminating equipment with the visual alignment function is mainly used for a vehicle-mounted backlight source assembling and laminating process and mainly structurally comprises a rack 1, at least one film tearing mechanism 2, at least one visual mechanism 3, at least one manipulator 4 and a rotating platform 5. The frame 1 is used for mounting and supporting the film tearing mechanism 2, the vision mechanism 3, the manipulator 4 and the rotating platform 5; dyestripping mechanism 2, vision mechanism 3, manipulator 4 and rotary platform 5 all are fixed in on the frame 1, dyestripping mechanism 2, vision mechanism 3, manipulator 4 all set up in the rotary platform 5 outsides. Rotary platform 5 forwards treat the tectorial membrane piece or cover the diaphragm in a poor light underframe to each station and carry out the tectorial membrane, tear film mechanism 2 is used for tearing the protection film on the diaphragm, the position of the diaphragm is held in a poor light underframe and/or the diaphragm of 3 discernments of vision mechanism after treating the dress diaphragm, diaphragm that manipulator 4 will tear film mechanism 2 and tear the membrane and handle covers on rotary platform 5 is held in a poor light underframe of dress diaphragm.

Referring to fig. 1-5, the film tearing mechanisms 2, the vision mechanisms 3 and the manipulator 4 can be arranged in multiple groups or in one group, and are selected according to the number of layers of the film to be coated, each layer of film needs one film tearing mechanism 2, preferably four vision mechanisms 3 are correspondingly arranged, two vision mechanisms 3 are used for position identification of the film, and the other two vision mechanisms 3 are used for position identification of the backlight bottom frame of the film to be coated or coated; meanwhile, a manipulator 4 is correspondingly arranged to transfer the film from the film tearing mechanism 2 and install the film on a backlight bottom frame of a film to be coated on the rotary platform 5; of course, a plurality of film tearing mechanisms 2 can also share one manipulator 4, the vision mechanism 3 can be only provided with one for identifying the position of the film, and the backlight bottom frame of the film to be coated is positioned and fixed at a specific position through a clamp on the rotating platform 5, so that the vision mechanism 3 can be not used for identification.

Referring to fig. 1 to 4, the embodiment specifically describes the case of providing four film tearing mechanisms 2, four sets of vision mechanisms 3, and two manipulators 4, and the embodiment has four film pasting stations, so that at most four layers of films can be continuously pasted, and in practice, part of the structure can be used as a spare for performing a backlight film-covering operation of one, two, or three layers of films.

Referring to fig. 1-4, the film tearing mechanism 2 is correspondingly provided with four stations, namely 2A, 2B, 2C and 2D in sequence, and is respectively positioned at the rear side and the left and right sides of the bottom plate 12 of the frame 1, the front side of the frame 1 is used as a backlight loading and unloading station, and the rotary platform 5 is arranged in the middle of the four film tearing mechanisms 2. Visual mechanism 3 sets up four groups, for 3A, 3B, 3C, 3D, sets up respectively on the bottom plate 12, two tear film mechanism 2 carry out the diaphragm position discernment before the visual mechanism 3A cooperation, and two tear film mechanism 2 carry out the diaphragm position discernment after the visual mechanism 3D cooperation, and 3B and 3C discern the position of underframe in a poor light respectively before covering first layer diaphragm and third layer diaphragm. The vision mechanism 3 may employ a commercially available CCD camera.

Referring to fig. 1-4, manipulator 4 includes two four-

axis manipulators

4A, 4B, is located respectively between

dyestripping mechanism

2A, 2B and between 2C, 2D, and manipulator 4A can shift the diaphragm after

dyestripping mechanism

2A and 2B dyestripping and cover to the underframe in a poor light on rotary platform 5, and manipulator 4B can shift the diaphragm after dyestripping mechanism 2C and 2D dyestripping and cover to the underframe in a poor light on rotary platform 5. The

manipulators

4A and 4B can both adopt industrial robots, so that the positions of the diaphragms can be accurately set in the backlight bottom frame in the positioning jig 53 of the corresponding turntable 5 according to the coordinate position calculation processing recognized by the vision mechanism. Four-

axis manipulator

4A, 4B all install on fixing base 4A1 and 4B1, vacuum chuck 4A2 and 4B2 are installed to the end of four-

axis manipulator

4A and 4B and are used for snatching the product diaphragm.

Referring to fig. 3 and 5, the four

film tearing mechanisms

2A, 2B, 2C, and 2D have the same structure, and each include a material receiving and discharging assembly 21 and a peeling assembly 22, and the material receiving and discharging assembly 21 and the peeling assembly 22 are fixed on the bottom plate 12.

Referring to fig. 3 and 5, the material receiving and discharging assembly 21 includes a body 211, a driving motor 212, a material receiving shaft 213, a through shaft 214, a film material stopper 215, and a material discharging shaft 216. A material receiving shaft 213 is installed in front of the machine body 211 and is used for receiving the adhesive tape stripped from the membrane, in this embodiment, an upper material receiving shaft 213 and a lower material receiving shaft 213 are provided and are respectively used for recovering the upper adhesive tape 61 on the membrane and the lower adhesive tape 62 on the membrane; the upper back of the body 211 is provided with a driving motor 212, and the material receiving shaft 213 is driven by the driving motor 212 to recover the gummed paper. The through shaft 214 is arranged on the feeding side of the stripping discharging piece 222 of the stripping assembly 22 and is used for guiding the film 6 to enter the stripping discharging piece 222 and leading out the

adhesive tapes

61 and 62 from the stripping discharging piece 222; the position of the through shaft 214 is preferably adjustable, so that the membrane 6 and the

gummed papers

61 and 62 are tensioned, and the membrane 6 and the

gummed papers

61 and 62 are kept in a tensioned state in the transmission process; specifically, the over-shaft 214 may be disposed on a spring, a cylinder, or the like, so as to achieve the tensioning function of the over-shaft 214. The membrane material stopper 215 is arranged on the shaft 214, and the position of the shaft 214 is adjustable, so that the position of the membrane material stopper 215 can be adjusted according to the width of the membrane, the membrane material stopper 215 is just stopped outside the membrane to limit the membrane, and the membrane is prevented from deviating and deflecting in the transferring process. The discharging shaft 216 is arranged between the upper and lower collecting shafts 213 and at the left side of the stripping assembly 22, and is used for discharging the membrane (the upper and lower gummed papers are not stripped yet); sometimes the film (upper and lower adhesive tapes are not peeled) is not a roll and can be directly fed into the peeling assembly 22, and the discharge shaft 216 may not be provided.

Referring to fig. 3 and 5, the stripping assembly 22 is fixed on the base plate 12 and includes a fixing support 221, a stripping discharging member 222 and a transfer platform 223. The stripping discharging piece 222 is positioned on the fixed supporting seat 221; the transfer platform 223 is a table-board structure, and the transfer platform 223 is fixed on the fixed support seat 221 and is located on the discharging side of the stripping discharging piece 222; the stripping and discharging member 222 is a knife edge structure with a through groove in the left-right direction and a wedge shape at the upper and lower sides of the right side. As preferred scheme, be provided with penetrating hole 2231 about the multiunit on the transfer platform 223, set up hole 2231 and can avoid diaphragm 6 and transfer platform 223 to bond and lead to manipulator 4 to be difficult to get the material, also can conveniently set up position sensor below the transfer platform 223 and respond to whether the diaphragm 6 targets in place.

Referring to fig. 3 and 5, the operation of the film tearing mechanism 2 is as follows: the film (the upper and lower gummed papers are not peeled) enters from the feed inlet at the left side of the peeling discharge piece 222; at the discharge gate on the right side of the stripping and discharging member 222, the upper gummed paper 61 and the lower gummed paper 62 are separated from the membrane 6 by the left pulling force of the knife edge and the receiving shaft 213 arranged on the stripping and discharging member 222, the upper gummed paper 61 and the lower gummed paper 62 are respectively led to the upper and lower rotating receiving shafts 213 for recovery, the membrane 6 moves to the transfer platform 223 under the continuous pulling of the gummed

paper

61 and 62, when the membrane 6 is completely separated from the gummed paper, the membrane 6 is stopped on the transfer platform 223 and can be taken away by the manipulator 4.

Referring to fig. 1, a cabinet 11 is disposed below the bottom plate 12, and a bracket 13 is disposed above the bottom plate 12. The bottom of the case 11 is provided with a foot cup 111 and a caster 112, so that the equipment can be fixed and moved conveniently, the bottom plate 12 is used for fixing equipment parts, and the periphery above the bottom plate 12 is provided with a support 13; a human-computer interface 131 and a visual mechanism monitoring display screen 132 for controlling the equipment are installed in the left front of the support 13, an air purification structure 133 is further installed above the support 13, and the air purification structure 133 can specifically adopt FFU (fan filter unit) to purify the internal environment of the equipment. The humidifying pipeline 134 is arranged on the inner side of the top of the support 13 to assist in optimizing the internal environment of the equipment.

Referring to fig. 4, the rotating platform 5 includes a turntable 51, a DD motor 52 and eight positioning fixtures 53, the DD motor 52 is mounted on the base plate 12 to drive the turntable 51 to rotate, the turntable 51 is fixed above the DD motor 52, and the positioning fixtures 53 are uniformly distributed around the turntable 51.

When the automatic film coating mechanism of the embodiment works, the backlight bottom frame to be coated is fed to the positioning clamp 53 of the rotary platform 5 at the feeding station of the backlight bottom frame, and the rotary platform 5 sequentially rotates the backlight bottom frame to each film coating station for coating; after the film tearing mechanism 2 finishes film tearing, the mechanical arm 4 takes the film 6 off from the transfer platform 223 to move and install the film into the backlight bottom frame to be coated on the positioning clamp 53, the film stays above the vision mechanism 3 in the moving process to carry out position recognition, and similarly, the backlight bottom frame to be coated on the positioning clamp 53 before film coating is also subjected to position recognition by the vision mechanism 3; and the installation of the multiple layers of membranes is sequentially completed in a circulating manner, and the blanking of the backlight products from the blanking station after all the membranes are installed is completed.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides an automatic laminating equipment in a poor light of on-vehicle through vision counterpoint which characterized in that: the film tearing mechanism is characterized by comprising a rotary platform (5), at least one film tearing mechanism (2), at least one group of visual mechanism (3) and at least one mechanical arm (4), wherein the film tearing mechanism (2), the visual mechanism (3) and the mechanical arm (4) are all arranged on the outer side of the rotary platform (5), the rotary platform (5) transfers a film to be covered or a backlight bottom frame covered with the film, the film tearing mechanism (2) tears off a protective film on the film, the visual mechanism (3) identifies the backlight bottom frame and/or the position of the film to be covered, and the mechanical arm (4) covers the film processed by the film tearing mechanism (2) on the backlight bottom frame to be covered with the film; a plurality of positioning clamps (53) are arranged on the rotary platform (5), and each positioning clamp (53) can rotate around the center of the rotary platform; tear membrane mechanism (2) including peeling off subassembly (22), peel off subassembly (22) including peeling off ejection of compact piece (222) and diaphragm transfer platform (223), diaphragm transfer platform (223) set up and peel off ejection of compact piece (222) ejection of compact one side.

2. The on-vehicle automatic laminating equipment in a poor light through vision counterpoint of claim 1 characterized in that: the film tearing mechanism (2) further comprises a material receiving and discharging assembly (21), the material receiving and discharging assembly (21) comprises a through shaft (214), and the through shaft (214) is arranged on the feeding side of the stripping and discharging piece (222).

3. The on-vehicle automatic laminating equipment in a poor light through vision counterpoint of claim 2 characterized by: the material receiving and discharging assembly (21) further comprises a film material limiting block (215), wherein the film material limiting block (215) is arranged on the through shaft (214), and the position of the film material limiting block (215) in the axial direction of the through shaft (214) is adjustable.

4. The on-vehicle automatic laminating equipment in a poor light through vision counterpoint of claim 3 characterized by: the material receiving and discharging assembly (21) further comprises a material receiving shaft (213) and a material discharging shaft (216), the material discharging shaft (216) is used for conveying the membrane coil materials, and the material receiving shaft (213) recovers the protective films stripped on the membranes.

5. The on-vehicle automatic laminating equipment in a poor light through vision counterpoint of claim 4 characterized in that: the position of the over-shaft (214) can be adjusted to tension the membrane strip and/or the peeled protective membrane.

6. The on-vehicle automatic laminating equipment in a poor light through vision counterpoint of claim 1 characterized in that: a plurality of groups of through holes (2231) are arranged on the transfer platform (223).

7. The vehicle-mounted backlight automatic laminating equipment through visual alignment according to any one of claims 1 to 6, characterized in that: the film tearing machine is characterized in that four groups of film tearing mechanisms (2) and two groups of mechanical arms (4) are arranged on the outer side of the rotating platform (5), and a group of mechanical arms (4) are arranged between the two groups of film tearing mechanisms (2).

8. The on-vehicle automatic laminating equipment in a poor light through vision counterpoint of claim 7 characterized in that: four groups of visual mechanisms (3) are arranged on the outer side of the rotary platform (5), and each two groups of visual mechanisms (3) correspond to one group of mechanical arms (4).

9. The on-vehicle automatic laminating equipment in a poor light through vision counterpoint of claim 8 characterized in that: every group vision mechanism (3) include first vision subassembly, second vision subassembly, third vision subassembly and fourth vision subassembly, first vision subassembly is used for waiting to adorn the position identification of diaphragm, the second vision subassembly is used for the position identification of underframe, the third vision subassembly is used for the discernment of underframe position behind the tectorial membrane piece, the fourth vision subassembly is used for waiting to adorn the position identification of diaphragm.

10. The on-vehicle automatic laminating equipment in a poor light through vision counterpoint of claim 7 characterized in that: the film tearing mechanism (2), the vision mechanism (3), the manipulator (4) and the rotating platform (5) are all arranged on the frame (1); the frame (1) is also provided with an air purification structure (133).