CN111037943A - A narrow margin laminating machine and laminating method for multiple light guide plates - Google Patents
A narrow margin laminating machine and laminating method for multiple light guide plates Download PDFInfo
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- CN111037943A CN111037943A CN201911412071.1A CN201911412071A CN111037943A CN 111037943 A CN111037943 A CN 111037943A CN 201911412071 A CN201911412071 A CN 201911412071A CN 111037943 A CN111037943 A CN 111037943A
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- light guide
- roller
- guide plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0004—Component parts, details or accessories; Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
- B29C63/024—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material the sheet or web-like material being supported by a moving carriage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0075—Light guides, optical cables
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
本发明公开了一种多块导光板的窄边距覆膜机及覆膜方法，包括机架、前端输送机构、推杆机构、覆膜机构、覆膜后的导光板输送机构、切刀机构、后端输送机构。与现有技术相比，本发明主要通过推杆机构、覆膜机构、覆膜后的导光板输送机构、切刀机构、后端输送机构之间的相互配合，能够实现多块导光板的连续覆膜，且切膜后的相邻的导光板之间的边距能够保持在0.5≧边距≦3mm，仍能满足产品属性需求，使产品质量得到保证。
The invention discloses a narrow margin laminating machine with multiple light guide plates and a laminating method, including a frame, a front-end conveying mechanism, a push rod mechanism, a laminating mechanism, a laminating light guide plate conveying mechanism, and a cutter mechanism , Back-end conveying mechanism. Compared with the prior art, the present invention can realize the continuous connection of multiple light guide plates mainly through the cooperation among the push rod mechanism, the film coating mechanism, the coated light guide plate conveying mechanism, the cutter mechanism and the rear end conveying mechanism. Film, and the margin between adjacent light guide plates after cutting the film can be maintained at 0.5≧ margin≦3mm, which can still meet the requirements of product attributes and ensure product quality.
Description
Technical Field
The invention relates to the technical field of laminating machine equipment, in particular to a narrow-edge-distance laminating machine and a laminating method for a plurality of light guide plates.
Background
The light guide plate is made of optical acrylic/PC plate, and then laser is used for processing light guide points or high-tech materials with extremely high reflectivity and no light absorption are used for printing the light guide points on the bottom surface of the optical acrylic plate by using a UV screen printing technology. The optical-grade acrylic sheet is used for absorbing the light emitted from the lamp to stay on the surface of the optical-grade acrylic sheet, when the light irradiates each light guide point, the reflected light can be diffused towards each angle, and then the reflected light is damaged and is emitted from the front surface of the light guide plate. The light guide plate can uniformly emit light through various light guide points with different densities and sizes. The reflecting sheet is used for reflecting the light with the bottom surface exposed back to the light guide plate so as to improve the use efficiency of the light.
In the current industrial production process, parts of a product are not in the same place and are processed simultaneously in the same time period. This results in the light guide plate not being immediately fed into an assembly line for assembly after the light guide plate is finished. After the machining is finished, the parts need to be stored and transported, and when the parts need to be used, the parts are taken out for use and matched with other parts to finally form a product.
Because the light guide points on the light guide plate have small diameter and are densely distributed, the light guide plate is easy to be polluted, stained with dust tips or other pollutants under the condition of no package protection, and further cannot be normally used.
In order to prevent the light guide plate from being polluted in the processes of storage and transportation, the existing solution is to coat a film on the processed light guide plate, specifically, to coat a film on each of the front and back surfaces of the light guide plate, and the two films are adhered together by using the material characteristics of the films to seal and protect the light guide plate.
The existing laminating machine can continuously carry out laminating on a plurality of light guide plates, but the existing laminating equipment is only suitable for the requirement of laminating products with the edge spacing of the protective film on the light guide plate being not less than 3mm, and cannot meet the requirement of products with the edge spacing of the protective film being not less than 3 mm; in the prior art, an equipment mechanism with the film laminating edge distance precision requirement of 0.5 ≧ 3mm is not available.
Disclosure of Invention
The invention aims to provide a narrow-edge-distance film laminating machine and a film laminating method for a plurality of light guide plates, after a protective film of a light guide plate is laminated, the product attribute requirement can be still met when the front and back edge distances of a plate and the plate are more than or equal to 0.5 and less than or equal to 3mm, and the product quality is ensured.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
a narrow-side-distance film covering machine for multiple light guide plates comprises a frame, a front-end conveying mechanism, a film covering mechanism, a film-covered light guide plate conveying mechanism, a cutter mechanism and a rear-end conveying mechanism,
the front end conveying mechanism is arranged at the front end of the rack and used for conveying the light guide plate to the film covering mechanism;
the film coating mechanism is arranged on the rack at the rear end of the front-end conveying mechanism and is used for coating films on the upper end face and the lower end face of the light guide plate;
the cutter mechanism is arranged on the rack at the rear end of the film coating mechanism and is used for cutting the film of the film-coated light guide plate;
the film-coated light guide plate conveying mechanism is arranged on the rack below the rear end of the cutter mechanism and synchronously rotates with the film coating mechanism, and is used for conveying the light guide plate during film cutting and conveying the film-cut light guide plate to the rear end conveying mechanism;
and the rear-end conveying mechanism is arranged on the frame at the rear end of the film-coated light guide plate conveying mechanism.
Further, the front end conveying mechanism comprises two driving mechanisms which are arranged on the front end feeding conveying belt of the frame and are positioned at the rear end of the feeding conveying belt and symmetrically arranged on the frame and used for driving the light guide plate to advance and a push rod mechanism which is positioned between the two driving mechanisms and used for pushing the light guide plate to the film coating mechanism.
Further, the driving mechanism for driving the light guide plate to advance comprises a front end rotating shaft arranged at the front end of the rack, at least two front end belt pulleys fixed on the front end rotating shaft side by side, a plurality of rear end belt pulleys corresponding to the front end belt and arranged on the rack, a conveying belt connected to the front end belt pulleys and the rear end belt pulleys, and a plurality of advancing damping wheels arranged on the front end rack below the upper film coating roller and the lower film coating roller, wherein the front end belt pulleys, the rear end belt pulleys and the advancing damping wheels are located on the same straight line, and the upper end surfaces of the advancing damping wheels and the upper end surface of the conveying belt are located on the same plane.
Further, the film coating mechanism comprises an upper film coating roller and a lower film coating roller, the upper film coating roller is mounted on the rack, the lower film coating roller is located right below the upper film coating roller, an upper protective film roller with a protective film is mounted on the rack above the upper film coating roller, a lower protective film roller with a protective film is mounted on the rack below the lower film coating roller, an upper guide roller is mounted on the rack between the upper film coating roller and the upper protective film roller, and the end part of the protective film on the upper protective film roller is connected with the upper guide roller and then is adhered to the tangent point at the bottom of the upper film; a lower guide roller is arranged on the rack between the lower film covering roller and the lower protective film roller, and the end part of the protective film on the lower protective film roller is connected with the lower guide roller and then is adhered to the tangent point of the top of the lower film covering roller; the upper film coating roller and the lower film coating roller are positioned at the rear end of the front-end conveying mechanism, the upper film coating roller is driven by an upper film coating roller motor to rotate anticlockwise, the lower film coating roller is driven by a lower film coating roller motor to rotate clockwise, and the rotating speeds of the upper film coating roller motor and the lower film coating roller motor are the same; the light guide plate is tangent to the upper film covering roller and the lower film covering roller when passing through the upper film covering roller and the lower film covering roller.
Further, the cutter mechanism comprises a pressing block which is arranged on the rack and used for pressing the coated light guide plate and a cutter which is arranged at the front end of the pressing block and used for cutting off a protective film on the light guide plate, the cutter is arranged above the light guide plate along the width direction of the rack, the cutter is driven by a transverse reciprocating mechanism arranged on the rack, and the pressing block is driven by a vertical reciprocating mechanism arranged on the rack.
Preferably, the transverse reciprocating mechanism is a linear module fixed on the frame.
Preferably, the vertical reciprocating mechanism is a cylinder vertically fixed on the frame above the film-coated light guide plate conveying mechanism, the end part of a mandril of the cylinder is connected with a pressing block connecting frame, and a plurality of pressing blocks are fully fixed at the lower end of the pressing block connecting frame.
Preferably, the film-coated light guide plate conveying mechanism comprises a driven rotating roller arranged on the rack below the rear end of the cutter, a driving rotating roller arranged on the rack at the front end of the rear-end conveying mechanism, and a first conveying belt connected to the driving rotating roller and the driven rotating roller, the driving rotating roller is driven by a driving rotating roller motor arranged on the rack, and the driving rotating roller motor has the same rotating speed as the upper film coating roller motor and the lower film coating roller motor; and friction silica gel rings are wound on the driving rotary roller and the driven rotary roller.
Preferably, the rear end conveying mechanism comprises a rear end driven rotating roller arranged at the rear end of the driving rotating roller, a rear end driving rotating roller arranged at the rear end of the rack, and a rear end conveying belt connected with the rear end driving rotating roller and the rear end driven rotating roller, and the rear end driving rotating roller is driven by a rear end driving rotating roller motor arranged on the rack.
The narrow-edge-distance film covering machine for the light guide plates can realize the narrow-edge-distance film covering of the light guide plates, and the film covering method comprises the following specific steps:
s1, randomly placing the first light guide plate on the front end conveying mechanism;
s2, the push rod mechanism advances, the first light guide plate is pushed to the position, which is more than 1mm beyond the rear end of the central line of the upper film covering roller and the lower film covering roller, and the upper film covering roller and the lower film covering roller begin to cover the upper end face and the lower end face of the first light guide plate with films;
s3, the push rod mechanism retreats, a synchronization point is arranged on a rack at the front end of the upper film laminating roller and the lower film laminating roller and is set manually, the synchronization point is a straight line parallel to the central line of the upper film laminating roller or the lower film laminating roller between the front end conveying mechanism and the upper film laminating roller or the lower film laminating roller, the tail of the first light guide plate is pushed to the rear end of the synchronization point by the upper film laminating roller and the lower film laminating roller and then is stopped, the distance is the edge distance between the first light guide plate and the second light guide plate, and 0.5 ≧ 3 mm;
s4, randomly placing a second light guide plate on the front-end conveying mechanism;
s5, the push rod mechanism advances to push the front end of the second light guide plate to a synchronous point;
s6, keeping the edge distance between the first light guide plate and the second light guide plate, and synchronously pushing the second light guide plate to a position which is more than 1mm higher than the central positions of the upper film covering roller and the lower film covering roller by the aid of the push rod mechanism, the upper film covering roller and the lower film covering roller, and covering the upper end face and the lower end face of the second light guide plate by the upper film covering roller and the lower film covering roller; meanwhile, the first light guide plate is pushed backwards by the coated light guide plate conveying mechanism;
s7, the push rod mechanism retreats;
s8, when the light guide plate conveying mechanism pushes the rear end of the first light guide plate to be over the distance of one-half of the side distance of the position of the center line of the cutter, the pressing block descends to press the first light guide plate, and the cutter performs cutting on the protective film;
s9, conveying the cut first light guide plate by a rear end conveying mechanism and then taking away the first light guide plate;
s10, after the first light guide plate is taken away, the steps S3-S9 are repeated to continuously film the subsequent light guide plates.
Compared with the prior art, the continuous film laminating device has the advantages that continuous film laminating of a plurality of light guide plates can be realized mainly through mutual matching of the push rod mechanism, the film laminating mechanism, the film-laminated light guide plate conveying mechanism, the cutter mechanism and the rear end conveying mechanism, the edge distance between adjacent film-cut light guide plates can be kept to be larger than or equal to 0.5 and smaller than or equal to 3mm, the requirement of product attributes can be met, and the product quality is guaranteed.
Drawings
Fig. 1 is a schematic diagram of the mechanism of the present invention.
Fig. 2 is an enlarged view of fig. 1 at a.
FIG. 3 is a film coating path diagram of the film coating mechanism of the present invention.
Fig. 4 is a diagram showing a state where the first light guide plate is placed on the front end conveying mechanism.
FIG. 5 is a diagram showing a state where the pusher mechanism pushes the first light guide plate to a position where the rear end of the center line of the upper and lower laminating rollers passes by 1mm or more.
Fig. 6 is a state diagram of the upper and lower film rollers pushing the tail of the first light guide plate to the rear end of the synchronization point for a distance.
FIG. 7 is a diagram illustrating a state where the tail of the first light guide plate is pushed to the rear end of the synchronization point for a distance and the second light guide plate is placed on the front end conveying mechanism.
FIG. 8 is a diagram illustrating a state where the tail of the first light guide plate is pushed to the rear end of the synchronization point for a distance and the front of the second light guide plate is pushed to the synchronization point.
FIG. 9 is a diagram showing the second light guide plate pushed to a position over 1mm from the center of the upper and lower laminating rollers by the pushing mechanism.
FIG. 10 is a view showing the state where the pusher mechanism is retracted and the second light guide plate is pushed to a position of 1mm or more over the center positions of the upper and lower film rollers.
Fig. 11 is a diagram showing a state where the light guide plate conveying mechanism pushes the rear end of the first light guide plate by a distance of one-half of the margin from the center line position of the cutter.
Fig. 12 is a diagram showing the state after the light guide plate conveying mechanism pushes the rear end of the first light guide plate by a distance of one-half of the margin from the center line position of the cutter and cuts the film.
Fig. 13 is a diagram illustrating a state where the upper and lower film rollers push the tail of the second light guide plate to the rear end of the synchronization point for a distance.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. The specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1 to fig. 3, the narrow-margin film covering machine for multiple light guide plates of this embodiment includes a frame 1, a front end conveying mechanism, a film covering mechanism 5, a light guide plate conveying mechanism 7 after film covering, a cutter mechanism 6, and a rear end conveying mechanism 8;
the front end conveying mechanism is arranged at the front end of the frame 1 and used for conveying the light guide plate 9 to the film covering mechanism 5;
the film coating mechanism 5 is arranged on the frame 1 at the rear end of the front-end conveying mechanism and is used for coating films on the upper end face and the lower end face of the light guide plate 9;
the cutter mechanism 6 is arranged on a frame at the rear end of the film coating mechanism 5 and is used for cutting the film of the coated light guide plate 9;
the light guide plate conveying mechanism 7 after film coating is arranged on the rack 1 below the rear end of the cutter mechanism and synchronously rotates with the upper film coating mechanism 5, and is used for conveying the light guide plate 9 during film cutting and conveying the light guide plate 9 after film cutting to the rear end conveying mechanism 8.
Specifically, the front-end conveying mechanism comprises a feeding conveying belt 2 arranged at the front end of the rack 1, two driving mechanisms 3 which are positioned at the rear end of the feeding conveying belt 2 and symmetrically arranged on the rack 1 and used for driving the light guide plate to advance, and a push rod mechanism 4 which is positioned between the two driving mechanisms 3 and used for pushing the light guide plate 9 to the film coating mechanism 5; in this embodiment, the driving mechanism 3 for driving the light guide plate to move forward includes a front end rotating shaft 31 disposed at the front end of the frame 1, at least two front end belt wheels 32 fixed to the front end rotating shaft 31 side by side, a plurality of rear end belt wheels 33 disposed on the frame 1 and corresponding to the front end belt wheels 32, a conveyor belt 34 connected to the front end belt wheels 32 and the rear end belt wheels 33, and a plurality of forward damping wheels 35 disposed on the front end frame 1 below the upper film covering roller 51 and the lower film covering roller 52, of course, the front end rotating shaft 31 is driven by a motor, the front end belt wheels 32, the rear end belt wheels 33, and the forward damping wheels 35 are located on a straight line, and the upper end surfaces of the forward damping wheels 35 and the upper end surfaces of the conveyor belt 34 are located on the same. The forward damping wheel 35 used in the embodiment can be composed of a magnetic damper and a damping wheel, and the main purpose is that the damping wheel with the braking function is added due to the heavier dead weight of the light guide plate, the light guide plate can be started and stopped at any time, and the light guide plate does not shift on the forward damping wheel 35. It should be noted that the magnetic damper and the damping wheel can be purchased directly from the market and applied to the embodiment, and therefore, the detailed structure thereof is not described again.
The film coating mechanism 5 comprises an upper film coating roller 51 and a lower film coating roller 52, wherein the upper film coating roller 51 is mounted on the frame 1, the lower film coating roller 52 is positioned right below the upper film coating roller 51, an upper protective film roller 53 with a protective film 57 is mounted on the frame 1 above the upper film coating roller 51, a lower protective film roller 54 with the protective film 57 is mounted on the frame 1 below the lower film coating roller 52, an upper guide roller 55 is mounted on the frame 1 between the upper film coating roller 1 and the upper protective film roller 53, and the end part of the protective film 57 on the upper protective film roller 53 is connected with the upper guide roller 55 and then is adhered to the tangent point at the; a lower guide roller 56 is arranged on the frame 1 between the lower film coating roller 52 and the lower film coating roller 54, and the end part of a protective film 57 on the lower film coating roller 51 is connected with the lower guide roller 56 and then is adhered to the tangent point at the top of the lower film coating roller 52; the upper film-coating roller 51 and the lower film-coating roller 52 are positioned at the rear end of the front-end conveying mechanism, the upper film-coating roller 51 is driven by an upper film-coating roller motor (not shown in the figure) to rotate anticlockwise, the lower film-coating roller 52 is driven by a lower film-coating roller motor (not shown in the figure) to rotate clockwise, and the upper film-coating roller motor and the lower film-coating roller motor have the same rotating speed; the light guide plate 9 is tangent to the upper film roller 51 and the lower film roller 52 when passing through the upper film roller 51 and the lower film roller 52.
In this embodiment, the cutter mechanism 6 is mounted on the frame 1 at the rear end of the upper and lower laminating rollers 51 and 52, the cutter mechanism 6 includes a pressing block 61 mounted on the frame 1 for pressing the laminated light guide plate 9 and a cutter 62 located at the front end of the pressing block 61 for cutting off the protective film on the light guide plate 9, the cutter 62 is arranged above the light guide plate 9 along the width direction of the frame, the cutter 62 is driven 63 by a transverse reciprocating mechanism mounted on the frame 1, and the pressing block 61 is driven by a vertical reciprocating mechanism 64 mounted on the frame 1.
In this embodiment, the coated light guide plate conveying mechanism 7 is disposed on the frame 1 below the rear end of the cutter 62, and the pressing block 61 is located above the coated light guide plate conveying mechanism 7; the film-coated light guide plate conveying mechanism 7 comprises a driven rotating roller 72 arranged on the rack 1 below the rear end of the cutter 62, a driving rotating roller 71 arranged on the rack 1 at the front end of the rear end conveying mechanism 8, and a first conveyor belt 73 connected to the driving rotating roller 71 and the driven rotating roller 72, wherein the driving rotating roller 71 is driven by a driving rotating roller motor (not shown in the figure) arranged on the rack 1, and the driving rotating roller motor has the same rotating speed as the upper film coating roller motor and the lower film coating roller motor (of course, a controller can be used for controlling through a program, so that the driving rotating roller motor has the same rotating speed as the upper film coating roller motor and the lower film coating roller motor); friction silica gel rings 74 are wound on the driving rotary roller 71 and the driven rotary roller 72. When the cutter 62 cuts the film, the rotation speed of the driving roller motor is the same as that of the upper film covering roller motor and the lower film covering roller motor, so that the upper film covering roller 51, the lower film covering roller 52 and the conveyor belt 73 are synchronous, and the stable interval of each light guide plate 9 is realized.
In the embodiment, the rear end conveying mechanism 8 is mounted on the frame 1 at the rear end of the coated light guide plate conveying mechanism 7; the rear end conveying mechanism 8 comprises a rear end driven rotating roller 82 arranged at the rear end of the driving rotating roller 71, a rear end driving rotating roller 81 arranged at the rear end of the frame 1, and a rear end conveying belt 83 connected with the rear end driving rotating roller 81 and the rear end driven rotating roller 82, wherein the rear end driving rotating roller 81 is driven by a rear end driving rotating roller motor (not shown in the figure) arranged on the frame 1.
In this embodiment, the push rod mechanism 4 includes a transmission chain 41 disposed on the frame 1 between two driving mechanisms for driving the light guide plate to move forward and a push rod cylinder 42 vertically fixed on the transmission chain 41, a top end of a push rod of the push rod cylinder 42 faces upward, two guide posts 43 for pushing the light guide plate are fixed on a top end of a push rod of the push rod cylinder 42, the transmission chain 41 is connected to a driving sprocket and a driven sprocket disposed on the frame 1, and the driving sprocket is driven by a servo motor. The forward and reverse rotation of the servo motor (not shown) can drive the forward rotation or reverse rotation of the transmission chain 41, so as to drive the push rod cylinder 42 to advance or retreat, and when the light guide plate needs to be pushed, the push rod cylinder 42 is driven to advance, and simultaneously, the ejector rod of the push rod cylinder 42 is ejected out, and is pushed to the rear end of the light guide plate by the guide column 43 on the push rod cylinder, so that the light guide plate is pushed to the film laminating mechanism 5.
In this embodiment, the transverse reciprocating mechanism 63 is a linear module fixed on the frame 1, and the linear module generally has a synchronous belt type and a ball screw type, which are reciprocating mechanisms commonly used in the mechanical field, and therefore, the transverse reciprocating mechanism can be directly purchased and used in the market, and the ball screw type is used in this embodiment.
In this embodiment, the vertical reciprocating mechanism 64 is a cylinder vertically fixed on the frame 1 above the coated light guide plate conveying mechanism 7, a press block connecting frame is connected to the end of a top rod of the cylinder, and a plurality of press blocks 61 are fully fixed at the lower end of the press block connecting frame. After the film is coated, before the cutter 62 cuts the protective film, the press block connecting frame is driven by the air cylinder to move downwards to press the press block against the light guide plate, so that the light guide plate is prevented from being displaced when the protective film 57 is cut.
The narrow-edge-distance film coating of a plurality of light guide plates can be realized by using the narrow-edge-distance film coating machine of a plurality of light guide plates, and referring to fig. 4-13, the film coating method comprises the following specific steps:
s1, randomly placing the first light guide plate 91 on the front end conveying mechanism;
s2, the push rod mechanism advances, the first light guide plate 91 is pushed to the position where the rear ends of the central lines of the upper film covering roller and the lower film covering roller pass more than 1mm, and the upper film covering roller and the lower film covering roller begin to cover the upper end face and the lower end face of the first light guide plate 91 with films;
s3, the push rod mechanism retreats, a synchronization point is arranged on the rack at the front end of the upper film laminating roller and the rack at the front end of the lower film laminating roller, the upper film laminating roller and the lower film laminating roller push the tail of the light guide plate to the rear end of the synchronization point for a certain distance, the synchronization point is set artificially, the synchronization point is a straight line parallel to the central line of the upper film laminating roller or the lower film laminating roller between the front end conveying mechanism and the upper film laminating roller or the lower film laminating roller, the distance is the edge distance between the first light guide plate 91 and the second light guide plate 92, and 0.5 ≧ 3 mm;
s4, randomly placing the second light guide plate 92 on the front end conveying mechanism;
s5, the push rod mechanism advances to push the front end of the second light guide plate 92 to a synchronous point;
s6, keeping the edge distance between the first light guide plate 91 and the second light guide plate 92, and synchronously pushing the second light guide plate 92 to a position which is more than 1mm higher than the central positions of the upper film roller and the lower film roller by the push rod mechanism, the upper film roller and the lower film roller, and coating the upper end face and the lower end face of the second light guide plate 92 with films by the upper film roller and the lower film roller; meanwhile, the first light guide plate 91 is pushed backwards by the coated light guide plate conveying mechanism;
s7, the push rod mechanism retreats;
s8, when the light guide plate conveying mechanism pushes the rear end of the first light guide plate 91 by a distance which is half of the side distance of the position of the center line of the cutter, the pressing block descends to press the first light guide plate 91, and the cutter performs cutting on the protective film;
s9, conveying the cut first light guide plate 91 by a rear end conveying mechanism and then taking away the cut first light guide plate;
s10, after the first light guide plate 91 is taken away, the steps S3-S9 are repeated to continuously film the subsequent light guide plates.
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a narrow limit apart from laminating machine of polylith light guide plate, includes light guide plate conveying mechanism, cutter mechanism, rear end conveying mechanism after frame, front end conveying mechanism, laminating mechanism, the tectorial membrane, its characterized in that:
the front end conveying mechanism is arranged at the front end of the rack and used for conveying the light guide plate to the film covering mechanism;
the film coating mechanism is arranged on the rack at the rear end of the front-end conveying mechanism and is used for coating films on the upper end face and the lower end face of the light guide plate;
the cutter mechanism is arranged on the rack at the rear end of the film coating mechanism and is used for cutting the film of the film-coated light guide plate;
the film-coated light guide plate conveying mechanism is arranged on the rack below the rear end of the cutter mechanism and synchronously rotates with the film coating mechanism, and is used for conveying the light guide plate during film cutting and conveying the film-cut light guide plate to the rear end conveying mechanism;
and the rear-end conveying mechanism is arranged on the frame at the rear end of the film-coated light guide plate conveying mechanism.
2. The narrow-margin laminating machine for a plurality of light guide plates according to claim 1, wherein: the front end conveying mechanism comprises two driving mechanisms and a push rod mechanism, the feeding conveying belt is arranged at the front end of the rack, the rear end of the feeding conveying belt is symmetrically arranged on the rack and used for driving the light guide plate to advance, and the push rod mechanism is located between the two driving mechanisms and used for pushing the light guide plate to the film coating mechanism.
3. The narrow-margin laminating machine for a plurality of light guide plates according to claim 2, wherein: the driving mechanism for driving the light guide plate to advance comprises a front end rotating shaft arranged at the front end of the rack, at least two front end belt pulleys fixed on the front end rotating shaft side by side, a plurality of rear end belt pulleys corresponding to the front end belt pulleys arranged on the rack, a conveying belt connected onto the front end belt pulleys and the rear end belt pulleys, and a plurality of advancing damping wheels arranged on the front end rack below the upper film coating roller and the lower film coating roller, wherein the front end belt pulleys, the rear end belt pulleys and the advancing damping wheels are located on a straight line, and the upper end surfaces of the advancing damping wheels and the upper end surface of the conveying belt are located on the same plane.
4. The narrow-margin laminating machine for a plurality of light guide plates according to claim 1, wherein: the film coating mechanism comprises an upper film coating roller and a lower film coating roller, the upper film coating roller is mounted on the rack, the lower film coating roller is located right below the upper film coating roller, an upper protective film roller with a protective film is mounted on the rack above the upper film coating roller, a lower protective film roller with a protective film is mounted on the rack below the lower film coating roller, an upper guide roller is mounted on the rack between the upper film coating roller and the upper protective film roller, and the end part of the protective film on the upper protective film roller is connected with the upper guide roller and then is adhered to the tangent point of the bottom of the upper; a lower guide roller is arranged on the rack between the lower film covering roller and the lower protective film roller, and the end part of the protective film on the lower protective film roller is connected with the lower guide roller and then is adhered to the tangent point of the top of the lower film covering roller; the upper film coating roller and the lower film coating roller are positioned at the rear end of the front-end conveying mechanism, the upper film coating roller is driven by an upper film coating roller motor to rotate anticlockwise, the lower film coating roller is driven by a lower film coating roller motor to rotate clockwise, and the rotating speeds of the upper film coating roller motor and the lower film coating roller motor are the same; the light guide plate is tangent to the upper film covering roller and the lower film covering roller when passing through the upper film covering roller and the lower film covering roller.
5. The narrow-margin laminating machine for a plurality of light guide plates according to claim 1, wherein: the cutter mechanism comprises a pressing block which is arranged on the rack and used for pressing the light guide plate after the film is coated and a cutter which is arranged at the front end of the pressing block and used for cutting off a protective film on the light guide plate, the cutter is arranged above the light guide plate along the width direction of the rack, the cutter is driven by a transverse reciprocating mechanism arranged on the rack, and the pressing block is driven by a vertical reciprocating mechanism arranged on the rack.
6. The narrow-margin laminating machine for a plurality of light guide plates according to claim 5, wherein: the transverse reciprocating mechanism is a linear module fixed on the rack.
7. The narrow-margin laminator device for multiple light guide plates according to claim 5, wherein: the vertical reciprocating mechanism is a cylinder vertically fixed on the rack above the film-coated light guide plate conveying mechanism, the end part of a mandril of the cylinder is connected with a pressing block connecting frame, and a plurality of pressing blocks are fully fixed at the lower end of the pressing block connecting frame.
8. The narrow edge space laminating machine for a plurality of light guide plates according to claim 4, wherein: the film-coated light guide plate conveying mechanism comprises a driven rotating roller arranged on a rack below the rear end of the cutter, a driving rotating roller arranged on the rack at the front end of the rear end conveying mechanism and a first conveying belt connected to the driving rotating roller and the driven rotating roller, the driving rotating roller is driven by a driving rotating roller motor arranged on the rack, and the driving rotating roller motor has the same rotating speed as an upper film coating roller motor and a lower film coating roller motor; and friction silica gel rings are wound on the driving rotary roller and the driven rotary roller.
9. The narrow-margin laminating machine for a plurality of light guide plates according to claim 1, wherein: the rear end conveying mechanism comprises a rear end driven rotating roller arranged at the rear end of the driving rotating roller, a rear end driving rotating roller arranged at the rear end of the rack, and a rear end conveying belt connected with the rear end driving rotating roller and the rear end driven rotating roller, and the rear end driving rotating roller is driven by a rear end driving rotating roller motor arranged on the rack.
10. A narrow edge distance film covering method for a plurality of light guide plates is characterized by comprising the following steps:
s1, randomly placing the first light guide plate on the front end conveying mechanism;
s2, the push rod mechanism advances, the first light guide plate is pushed to the position, which is more than 1mm beyond the rear end of the central line of the upper film covering roller and the lower film covering roller, and the upper film covering roller and the lower film covering roller begin to cover the upper end face and the lower end face of the first light guide plate with films;
s3, the push rod mechanism retreats, a synchronization point is arranged on a rack at the front end of the upper film laminating roller and the lower film laminating roller and is set manually, the synchronization point is a straight line parallel to the central line of the upper film laminating roller or the lower film laminating roller between the front end conveying mechanism and the upper film laminating roller or the lower film laminating roller, the tail of the first light guide plate is pushed to the rear end of the synchronization point by the upper film laminating roller and the lower film laminating roller and then is stopped, the distance is the edge distance between the first light guide plate and the second light guide plate, and 0.5 ≧ 3 mm;
s4, randomly placing a second light guide plate on the front-end conveying mechanism;
s5, the push rod mechanism advances to push the front end of the second light guide plate to a synchronous point;
s6, keeping the edge distance between the first light guide plate and the second light guide plate, and synchronously pushing the second light guide plate to a position which is more than 1mm higher than the central positions of the upper film covering roller and the lower film covering roller by the aid of the push rod mechanism, the upper film covering roller and the lower film covering roller, and covering the upper end face and the lower end face of the second light guide plate by the upper film covering roller and the lower film covering roller; meanwhile, the first light guide plate is pushed backwards by the coated light guide plate conveying mechanism;
s7, the push rod mechanism retreats;
s8, when the light guide plate conveying mechanism pushes the rear end of the first light guide plate to be over the distance of one-half of the side distance of the position of the center line of the cutter, the pressing block descends to press the first light guide plate, and the cutter performs cutting on the protective film;
s9, conveying the cut first light guide plate by a rear end conveying mechanism and then taking away the first light guide plate;
s10, after the first light guide plate is taken away, the steps S3-S9 are repeated to continuously film the subsequent light guide plates.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911412071.1A CN111037943A (en) | 2019-12-31 | 2019-12-31 | A narrow margin laminating machine and laminating method for multiple light guide plates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911412071.1A CN111037943A (en) | 2019-12-31 | 2019-12-31 | A narrow margin laminating machine and laminating method for multiple light guide plates |
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| CN111037943A true CN111037943A (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911412071.1A Pending CN111037943A (en) | 2019-12-31 | 2019-12-31 | A narrow margin laminating machine and laminating method for multiple light guide plates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115972560A (en) * | 2022-12-26 | 2023-04-18 | 苏州清江精密机械科技有限公司 | A fully automatic positioning detection film folding equipment |
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Effective date of registration: 20250624 Address after: 233000 No. 1268, Yannan Road, Bengbu City, Bengbu area, China (Anhui) pilot Free Trade Zone, Bengbu City, Anhui Province (floors 1-3, building e, high tech intelligent terminal Industrial Park) Applicant after: Anhui yiguangyuan Photoelectric Technology Co.,Ltd. Country or region after: China Address before: No.50 Chunxing Road, Caohu Industrial Park, Xiangcheng Economic Development Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU QINGJIANG PRECISION MACHINERY TECHNOLOGY Co.,Ltd. Country or region before: China |