CN116373319A - Edge protection device and edge protection method for optical film - Google Patents
Edge protection device and edge protection method for optical film Download PDFInfo
- Publication number
- CN116373319A CN116373319A CN202310647133.7A CN202310647133A CN116373319A CN 116373319 A CN116373319 A CN 116373319A CN 202310647133 A CN202310647133 A CN 202310647133A CN 116373319 A CN116373319 A CN 116373319A
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- optical film
- film
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- guide
- pipe
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- 239000012788 optical film Substances 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000010408 film Substances 0.000 claims abstract description 107
- 238000007493 shaping process Methods 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 229920006302 stretch film Polymers 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
Abstract
The invention provides an optical film edge protection device and an edge protection method, which belong to the technical field of optical film production equipment. The roller runs synchronously with the optical film. The bonding mechanism comprises a shaping pipe and a guide pipe, and a guide groove is formed in one side of the guide pipe, facing the optical film; the shaping groove has been seted up towards one side of optical film to the design pipe, and the design inslot is located to the stand pipe interval, and the interval between stand pipe and the shaping groove is used for passing tensile membrane, and one side that tensile membrane has viscidity is towards the stand pipe, is equipped with the exhaust hole on the outer wall of stand pipe, and the absorption hole has been seted up along length direction to the outer position in the middle of the bottom of shaping groove, and the outside of design pipe is used for setting up tensile membrane and rolls up. The device can keep the consistency of the dimensions of the edge of the stretching film and the optical film, so that the stress of the edge of the optical film is more balanced, and the occurrence of cracking and rupture of the film is prevented.
Description
Technical Field
The invention belongs to the technical field of optical film production equipment, and particularly relates to an optical film edge protection device and an edge protection method.
Background
In order to obtain an optical film with a preset thickness in production, two side edges of the optical film are usually required to be clamped by a stretching device so as to stretch the optical film, but the optical film is easy to break along the clamping edges of a stretching clamp due to lower shearing strength of materials in the stretching process, the current solution is to paste a stretching film on the edge of the optical film, then contact the stretching film with the clamp, the stress on the edge of the optical film is more balanced by the stretching film, so that the phenomenon of breaking the optical film locally occurs is prevented, and the part adhered with the stretching film is cut off after the optical film is stretched. In the prior art, when a stretched film is adhered to the edge of an optical film, the rolled stretched film is arranged on one side or both sides of the optical film, so that the pulling-out direction of the stretched film is consistent with the moving direction of the optical film, one end of the stretched film is pulled out and is adhered to the optical film, the stretched film is pulled out by the movement of the optical film, and the stretched film is pressed on the optical film by a roller. The stretched film stuck in the mode cannot accurately ensure the consistency of the edge spacing between the stretched film and the optical film no matter the stretched film is a single-layer stretched film or a double-layer stretched film, and when the stretched film is arranged on two layers, the positions of the two layers of stretched films positioned on the upper surface and the lower surface of the optical film are difficult to keep aligned, so that the edge spacing between the two layers of stretched films within the same length range and the optical film is different, and therefore uneven stress at the edge of the optical film during stretching is caused, and the risk of film breakage still exists.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the optical film edge protection device and the edge protection method, which can keep the consistency of the edge sizes of the stretching film and the optical film, so that the edge stress of the optical film is more balanced, and the occurrence of cracking and rupture of the film is prevented.
In order to achieve the object of the invention, the following scheme is adopted:
the optical film edge protecting device has stretched film adhered to the two sides of the optical film. The device comprises a bonding mechanism arranged at two sides of the optical film and a pair of rollers arranged in front of the bonding mechanism along the conveying direction of the optical film.
The rollers are respectively pressed on the upper surface and the lower surface of the optical film, and the rollers and the optical film run synchronously.
The bonding mechanism comprises a shaping pipe and a guide pipe which are arranged in parallel with the edge of the optical film, and a guide groove is formed in one side of the guide pipe, which faces the optical film; the shaping groove has been seted up towards one side of optical film to the design pipe, the design inslot is located to the guide pipe interval, the interval between guide pipe and the shaping groove is used for passing tensile membrane, one side that tensile membrane has viscidity is towards the guide pipe, the entry section of design groove is rectangular groove structure, and the width is greater than or equal to the width of tensile membrane, wherein the middle section is the toper structure, the exit section of design groove is V type groove structure, the lateral wall that corresponds V type groove structure on the outer wall of guide pipe is equipped with the exhaust hole, the absorption hole has been seted up along length direction to the bottom intermediate position of design groove, the outside of design pipe is used for setting up tensile membrane roll.
Further, the distance between the shaping tube and the guide tube along the width direction of the optical film is adjustable.
Further, the spacing between the two sets of bonding mechanisms is adjustable.
Further, two groups of bonding mechanisms are slidably arranged on the same pair of guide rails, two ends of a screw rod parallel to the guide rails are respectively connected with the two shaping pipes, and threads at two ends of the screw rod are opposite in rotation direction.
Further, the guide pipes are respectively provided with a guide plate on the upper surface and the lower surface of one side of the optical film, the guide plates above the optical film are obliquely upwards arranged, and the guide plates below the optical film are obliquely downwards arranged.
Further, elastic sheets are arranged on the upper side and the lower side of the outlet end of the shaping groove and used for pre-compacting the stretching film on the optical film.
Further, the outside of the shaping pipe is vertically provided with a guide plate, the guide plate is provided with a movable sliding block along the direction vertical to the shaping pipe, the sliding block is provided with a rotating shaft for connecting the stretching film roll, the guide plate is provided with a spring, and the spring applies pressure towards the shaping pipe to the sliding block.
The optical film edge protection method is realized by the optical film edge protection device and comprises the following steps:
s1: the interval between the bonding mechanisms at the two sides of the optical film is adjusted to adapt to the width sizes of different optical films;
s2: the edges of the optical film respectively pass through the guide grooves at the two sides and pass out from the outlet end of the shaping groove;
s3: a stretching film is penetrated in the shaping grooves at two sides, and the middle line of the stretching film in the width direction is arranged along the track of the adsorption hole;
s4: the front end of the stretching film is pulled manually to be pulled out from the outlet end of the shaping groove, the front end of the stretching film is respectively attached to the two sides of the optical film, and when the front end of the stretching film passes through the space between the two rollers, the rollers are utilized to drive the optical film and the stretching film at the same time, so that automatic edge wrapping is realized.
The invention has the beneficial effects that:
1. the stretching film can be stuck on two sides of the edge of the optical film, and the stretching film is of a monolithic integral structure, so that the connection strength between the stretching film and the optical film is improved, the connection stability between the stretching film and the stretching clamp is improved, and the edge of the optical film is protected to prevent the optical film from being damaged.
2. The consistency of the spacing between the edge of the single-side stretching film and the edge of the optical film can be ensured, and the alignment of the stretching films on two sides of the optical film can be ensured, so that the consistency of the dimension between the stretching film and the edge of the optical film is ensured, and the balance of the tension born by the edge of the optical film is further maintained.
3. The width dimension of the stretching film reserved on the outer side of the optical film is adjustable by controlling the distance between the guide tube and the shaping tube, and the stretching clamp can be connected with the exposed part of the stretching film to stretch the optical film, so that the occupation of the edge of the optical film is reduced, and the waste of the optical film is reduced.
Drawings
The drawings described herein are for illustration of selected embodiments only and not all possible implementations, and are not intended to limit the scope of the invention.
Fig. 1 shows a partial cross-sectional view of an optical film of the present application with a stretched film attached to the edge.
Fig. 2 shows a schematic structural view of a preferred embodiment of the edge protection device of the present application.
Fig. 3 shows an end view of a preferred embodiment of the edge protection device of the present application.
Fig. 4 shows a partial enlarged view at a in fig. 3.
Fig. 5 shows a side view of the bonding mechanism of the present application.
Fig. 6 shows another side view of the bonding mechanism of the present application.
Fig. 7 shows a partial enlarged view at B in fig. 6.
Fig. 8 shows a cross-sectional view of the bonding mechanism of the present application.
The marks in the figure: the drawing film comprises a drawing film body 1, a drawing film roll 11, a roller 2, a shaping pipe 3, a shaping groove 31, an adsorption hole 32, a supporting seat 33, a locking screw 34, an elastic sheet 35, a guide plate 36, a sliding block 37, a spring 38, a guide pipe 4, a guide groove 41, an exhaust hole 42, a guide plate 43, a guide rail 5 and a screw rod 51.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, but the described embodiments of the present invention are some, but not all embodiments of the present invention.
As shown in fig. 2, an optical film edge protection device is used for bonding a stretched film 1 shown in fig. 1 to the edge of an optical film, wherein the stretched film 1 is arranged at the two side edges of the optical film, the two side edge parts of the stretched film 1 are respectively bonded on the upper surface and the lower surface of the edge part of the optical film, and the edges of the stretched film 1 positioned on the upper surface and the lower surface of the optical film after bonding are aligned.
Specifically, as shown in fig. 2, the edge protection device includes two sets of bonding mechanisms respectively provided on both sides of the optical film, and a pair of rollers 2 provided in front of the bonding mechanisms in the optical film conveying direction. The rollers 2 are respectively pressed on the upper surface and the lower surface of the optical film, and the rollers 2 and the optical film synchronously operate, namely the operation direction and the operation linear speed of the contact parts of the two rollers 2 and the optical film are the same as the movement speed of the optical film.
Specifically, as shown in fig. 2 to 8, the bonding mechanism includes a shaping tube 3 and a guide tube 4 that are disposed parallel to the edge of the optical film, and a guide groove 41 is formed on one side of the guide tube 4 facing the optical film along the length direction for passing through the edge of the optical film; the shaping groove 31 is formed in one side of the shaping tube 3, which faces the optical film, along the length direction, the guide tube 4 is arranged in the shaping groove 31 at intervals, namely, intervals are formed between the guide tube 4 and the inner wall security of the shaping groove, the intervals between the guide tube 4 and the shaping groove 31 are used for penetrating through the stretching film 1, one sticky side of the stretching film 1 faces the guide tube 4, the inlet section of the shaping groove 31 is of a rectangular groove structure, the width of the stretching film 1 is larger than or equal to that of the stretching film 1, the middle section of the shaping groove 31 is of a conical structure and is used for carrying out deformation transition on the stretching film 1, the conical structure is of a cone shape formed by three side walls at the middle section of the shaping groove 31, the large conical end is located at the inlet end facing the shaping groove 31, the small end faces the outlet end, the outlet section of the shaping groove 31 is of a V-shaped groove structure, the side wall of the guiding tube 4 corresponding to the V-shaped groove structure along the length direction is provided with an exhaust hole 42, the stretching film 1 enters the middle section of the shaping groove 31 from the middle section of the shaping groove 31 and then is output from the rear section along the length direction, the middle position of the bottom of the shaping groove 31 is provided with the absorption holes 32, and the outer side of the shaping tube 3 is used for setting the stretching film roll 11.
When the edge is covered, the edge of the optical film passes through the guide grooves 41 on the two sides respectively and passes through the outlet end of the shaping groove 31, and the guide grooves 41 can reduce the vibration at the edge and ensure the accuracy of the relative position between the edge and the stretching film 1 during the edge covering; penetrating the stretched film 1 pulled out of the stretched film roll 11 from the inlet end of the shaping groove 31, wherein the stretched film 1 is adsorbed and fixed by the adsorption hole 32 along the middle line of the stretched film 1 in the width direction in the process, so that the stretched film 1 moves against the inner wall of the shaping groove 31 to ensure that crease lines of the folded stretched film 1, namely the middle line of the stretched film 1 in the width direction and the positions of the edges of the optical film are kept fixed, thereby ensuring the consistency of the intervals between the edges of the stretched film 1 and the edges of the optical film and ensuring the stress balance of the edges of the optical film; the tensile film 1 can be prevented from being bonded with the guide tube 4 or the optical film; the stretched film 1 can be straightened, and the stretched film 1 is prevented from being wrinkled, so that the influence on the bonding effect between the stretched film 1 and the optical film and the accuracy of the bonding position are avoided; the adsorption holes 32 adsorb and fix the stretched film 1 along the central line of the stretched film 1 in the width direction and bend the stretched film 1 along the central line of the width direction so as to ensure that the bending sizes at two sides of the width direction are consistent, thereby ensuring that the edges of the stretched film 1 on the upper surface and the lower surface of the optical film are aligned when the optical film is attached to the optical film, and further ensuring the stress balance at the edges of the optical film; the stretched film 1 gradually starts to deform through the middle section of the shaping groove 31, and two sides of the stretched film 1 in the width direction are gradually bent towards one side of the optical film, and the inner wall of the stretched film 1, which is tightly attached to the shaping groove 31, moves due to the tension of the stretched film 1 and the adsorption effect of the adsorption holes 32, so that the stretched film 1 cannot be bonded with the guide tube 4 or the optical film even when the stretched film 1 starts to deform through the middle section of the shaping groove 31; when the stretched film 1 passes through the outlet section of the shaping groove 31, the distance between the two sides of the stretched film is further reduced so as to facilitate the subsequent contact with the optical film, and in order to prevent the stretched film 1 from being bonded with the guide tube 4 or the optical film in the range of the section, the stretched film 1 can be exhausted outwards through the exhaust hole 42, and the stretched film 1 is tightly attached to the side wall of the V-shaped groove at the outlet section of the shaping groove 31 by utilizing air pressure so as to smoothly pass through the outside of the guide tube 4; the stretched film 1 passes through the outlet end of the shaping groove 31 and then enters between the two rollers 2 together with the optical film, the two sides of the stretched film 1 are pressed on the upper surface and the lower surface of the optical film by the rollers 2, and the stretched film 1 is pulled to move by the rotation of the rollers 2, because the rollers 2 and the optical film synchronously operate, the synchronous movement of the stretched film 1 and the optical film is ensured.
Preferably, the distance between the shaping tube 3 and the guide tube 4 along the width direction of the optical film is adjustable, so that the distance between the guide tube 4 and the bottom surface of the shaping groove 31 is changed, thereby controlling the width dimension of the stretched film 1 reserved outside the edge of the optical film, and the clamp used for connecting the stretching device can correspondingly adjust the bonding width of the stretched film 1 and the optical film, so that the width dimension of the stretched film 1 for covering the optical film can be reduced to the minimum, thereby reducing the width dimension of the optical film which is finally cut, and reducing waste.
Specifically, as shown in fig. 4 to 6, a supporting seat 33 is disposed on the lower side wall of the inlet section of the shaping groove 31, and the guide tube 4 is slidably disposed on the top surface of the supporting seat 33 through a connecting block, so as to achieve the purpose of adjusting the distance between the shaping tube 3 and the guide tube 4.
More specifically, the connecting block is in a T-shaped block or dovetail block structure, the top surface of the supporting seat 33 is provided with a corresponding T-shaped groove or dovetail groove, the extending direction of the T-shaped groove or dovetail groove is consistent with the width direction of the optical film, and the side surface of the supporting seat 33 is provided with a locking screw 34 for fixing the guide tube 4.
Preferably, the spacing between the two sets of adhesive mechanisms is adjustable to accommodate optical films of different widths.
More specifically, as shown in fig. 2 and 3, two groups of bonding mechanisms are slidably disposed on the same pair of guide rails 5, two ends of a screw rod 51 parallel to the guide rails 5 are respectively connected with the two shaping pipes 3, threads at two ends of the screw rod 51 are oppositely rotated, the screw rod 51 is driven by a motor or manually, and when the screw rod 51 rotates, the two groups of bonding mechanisms can be driven to move along opposite directions simultaneously, so that the purpose of adjusting the distance is achieved.
Preferably, as shown in fig. 4 and 7, the guide tube 4 is provided with guide plates 43 on the upper and lower surfaces of one side facing the optical film, the guide plates 43 above the optical film are arranged obliquely upwards, the guide plates 43 below the optical film are arranged obliquely downwards, and the air flow discharged from the air discharge holes 42 is discharged from the upper and lower sides of the optical film respectively, so that the disturbance of the air flow on the optical film is avoided, and the vibration of the optical film is prevented.
Preferably, as shown in fig. 7, elastic pieces 35 are respectively arranged at the upper and lower sides of the outlet end of the shaping groove 31, and are used for pre-pressing the stretched film 1 on the optical film so as to position the stretched film 1 and the optical film, and the elastic pieces 35 are made of rubber.
Preferably, as shown in fig. 5, 6 and 8, the outside of the shaping tube 3 is vertically provided with a guide plate 36, the guide plate 36 is provided with a movable slide block 37 along the direction vertical to the shaping tube 3, the slide block 37 is provided with a rotating shaft for connecting the stretch film roll 11, the guide plate 36 is provided with a spring 38, and the spring 38 is used for applying pressure to the slide block 37 towards the shaping tube 3 so as to enable the stretch film roll 11 to be tightly attached to the outer wall of the shaping tube 3, thereby generating damping force and preventing the stretch film roll 11 from rotating randomly, and further enabling the stretch film 1 to have preset tension when being pulled out, so that the stretch film roll is in a straightened state.
Example 2
An optical film edge protection method implemented by the optical film edge protection device described in embodiment 1, comprising the steps of:
s1: the interval between the bonding mechanisms at the two sides of the optical film is adjusted to adapt to the width sizes of different optical films;
s2: the edges of the optical film respectively pass through the guide grooves 41 on the two sides and pass out of the outlet end of the shaping groove 31;
s3: the stretching film 1 is penetrated in the shaping grooves 31 at the two sides, and the middle line of the stretching film 1 in the width direction is arranged along the track of the adsorption holes 32;
s4: the front end of the stretching film 1 is manually pulled out from the outlet end of the shaping groove 31, the front end of the stretching film 1 is respectively attached to the two sides of the optical film, and when the front end of the stretching film 1 passes through the space between the two rollers 2, the rollers 2 are utilized to simultaneously drive the optical film and the stretching film 1, so that automatic edge wrapping is realized.
The foregoing description of the preferred embodiments of the invention is merely exemplary and is not intended to be exhaustive or limiting of the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (8)
1. The edge protection device of the optical film is characterized by comprising a bonding mechanism arranged at two sides of the optical film and a pair of rollers (2) arranged in front of the bonding mechanism along the conveying direction of the optical film;
the rollers (2) are respectively pressed on the upper surface and the lower surface of the optical film, and the rollers (2) and the optical film synchronously run;
the bonding mechanism comprises a shaping pipe (3) and a guide pipe (4) which are arranged in parallel with the edge of the optical film, and a guide groove (41) is formed in one side of the guide pipe (4) facing the optical film; shaping groove (31) have been seted up towards one side of optical film to shaping pipe (3), in shaping groove (31) was located to stand pipe (4) interval, the interval between stand pipe (4) and shaping groove (31) is used for passing tensile membrane (1), one side that tensile membrane (1) had viscidity is towards stand pipe (4), the entry section of shaping groove (31) is rectangular groove structure, and the width is greater than or equal to the width of tensile membrane (1), wherein the middle section is the toper structure, the exit section is V type groove structure, the lateral wall that corresponds V type groove structure on the outer wall of stand pipe (4) is equipped with exhaust hole (42), adsorption hole (32) have been seted up along length direction to the bottom intermediate outer position of shaping groove (31), the outside of shaping pipe (3) is used for setting up tensile membrane roll (11).
2. An optical film edge protection device according to claim 1, wherein the distance between the shaping tube (3) and the guide tube (4) in the width direction of the optical film is adjustable.
3. An optical film edge protection device according to claim 1 or claim 2, wherein the spacing between the two sets of adhesive means is adjustable.
4. An optical film edge protection device according to claim 3, wherein two groups of bonding mechanisms are slidably arranged on the same pair of guide rails (5), two ends of a screw rod (51) parallel to the guide rails (5) are respectively connected with the two shaping pipes (3), and threads at two ends of the screw rod (51) are opposite in rotation direction.
5. An optical film edge protection device according to claim 1, characterized in that the upper and lower surfaces of the side of the guide tube (4) facing the optical film are provided with guide plates (43), the guide plates (43) above the optical film are arranged obliquely upwards, and the guide plates (43) below the optical film are arranged obliquely downwards.
6. An optical film edge protection device according to claim 1, characterized in that the upper and lower sides of the outlet end of the shaping groove (31) are provided with elastic pieces (35) for pre-pressing the stretched film (1) on the optical film.
7. An optical film edge protection device according to claim 1, characterized in that the outside of the shaping tube (3) is provided with a guide plate (36) vertically, the guide plate (36) is provided with a movable slide (37) in a direction perpendicular to the shaping tube (3), the slide (37) is provided with a rotation axis for connecting the stretched film roll (11), the guide plate (36) is provided with a spring (38) for applying a pressure to the slide (37) in the direction of the shaping tube (3).
8. A method of protecting an edge of an optical film, characterized by using the optical film edge protecting apparatus according to any one of claims 1 to 7, comprising the steps of:
s1: the interval between the bonding mechanisms at the two sides of the optical film is adjusted to adapt to the width sizes of different optical films;
s2: the edges of the optical film respectively pass through the guide grooves (41) on the two sides and pass through the outlet end of the shaping groove (31);
s3: a stretched film (1) is penetrated in the shaping grooves (31) at the two sides, and the central line of the stretched film (1) in the width direction is arranged along the track of the adsorption holes (32);
s4: the front end of the stretching film (1) is manually pulled out from the outlet end of the shaping groove (31), the front end of the stretching film (1) is respectively attached to the two sides of the optical film, and when the front end of the stretching film (1) passes through the space between the two rollers (2), the rollers (2) are utilized to drive the optical film and the stretching film (1) at the same time, so that automatic edge wrapping is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310647133.7A CN116373319B (en) | 2023-06-02 | 2023-06-02 | Edge protection device and edge protection method for optical film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310647133.7A CN116373319B (en) | 2023-06-02 | 2023-06-02 | Edge protection device and edge protection method for optical film |
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| CN116373319A true CN116373319A (en) | 2023-07-04 |
| CN116373319B CN116373319B (en) | 2023-08-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117048031A (en) * | 2023-10-10 | 2023-11-14 | 龙华相位新材料(绵阳)股份有限公司 | Optical film stretching device and stretching method |
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| CN117048031B (en) * | 2023-10-10 | 2023-12-19 | 龙华相位新材料(绵阳)股份有限公司 | Optical film stretching device and stretching method |
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