CN113636386A - Preparation method of PET optical film - Google Patents
Preparation method of PET optical film Download PDFInfo
- Publication number
- CN113636386A CN113636386A CN202110948897.0A CN202110948897A CN113636386A CN 113636386 A CN113636386 A CN 113636386A CN 202110948897 A CN202110948897 A CN 202110948897A CN 113636386 A CN113636386 A CN 113636386A
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- optical film
- coiled material
- tray
- pet
- limiting
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- 239000012788 optical film Substances 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 71
- 239000010408 film Substances 0.000 claims abstract description 49
- 238000004804 winding Methods 0.000 claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 28
- 238000000576 coating method Methods 0.000 claims abstract description 28
- 238000004806 packaging method and process Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000002985 plastic film Substances 0.000 claims abstract description 13
- 229920006255 plastic film Polymers 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 45
- 238000009434 installation Methods 0.000 claims description 37
- 238000005520 cutting process Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
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- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 125000004122 cyclic group Chemical group 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000012785 packaging film Substances 0.000 claims description 4
- 229920006280 packaging film Polymers 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
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- 230000007306 turnover Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
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- 238000002834 transmittance Methods 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
- B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B25/00—Packaging other articles presenting special problems
- B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
- B65B25/146—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form packaging rolled-up articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
- B65B63/04—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for folding or winding articles, e.g. gloves or stockings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
- B65B63/08—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for heating or cooling articles or materials to facilitate packaging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
- B65H37/02—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for applying adhesive
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
A preparation method of a PET optical film comprises the following steps: step S1: releasing the PET plastic film coiled material at a constant speed by using a releasing roll; step S2: uniformly coating the functional coating liquid on one surface of the PET plastic film coiled material by using a coating machine; step S3: continuously carrying out dynamic drying treatment on the PET plastic film coiled material coated with the functional coating liquid by using a dryer to obtain a PET optical film; step S4: rewinding the PET optical film at a constant speed by using a wind-up roll to obtain an optical film coiled material; step S5: and (5) winding and packaging the optical film coiled material by using a packaging and film winding device. The invention uses the packaging film-winding device to wind and package the optical film coiled material, only one person is needed to complete the operation, thereby reducing the labor cost, improving the labor efficiency and being beneficial to industrialized packaging production.
Description
Technical Field
The invention belongs to the technical field of plastic film processing, and particularly relates to a preparation method of a PET optical film.
Background
Optical thin films are formed by coating or coating one or more layers of dielectric films or metal films or a combination of these two films on an optical element or a separate substrate to change the transmission characteristics of light waves, including light transmission, reflection, absorption, scattering, polarization and phase change. Therefore, by proper design, the transmittance and reflectance of the surface of the device in different wave bands can be modulated, and the light in different polarization planes can have different characteristics.
Generally, the production method of optical films is mainly divided into dry and wet production processes. The dry process is that no liquid is present in the whole process, for example, vacuum evaporation is that in a vacuum environment, solid raw material is heated by electric energy, and is attached to the surface of a solid substrate after being sublimated into gas, so as to complete coating processing; the packaging film with golden color, silver color or metal texture for decoration in daily life is a product manufactured in a dry coating mode; however, in consideration of practical mass production, the range of the dry coating operation is smaller than that of the wet coating; wet coating is generally performed by mixing components having various functions into a liquid coating material, coating the liquid coating material on a substrate in different processing methods, and then drying and curing the liquid coating material to obtain a product.
At present, a PET optical film is rewound by a wind-up roll to form an optical film coiled material, and the optical film coiled material needs to be wound and packaged by a winding film so as to protect a functional coating on the surface of the optical film from being damaged in the transportation process; in the prior art, the winding and packaging mode of the optical film coiled material generally adopts manual winding and packaging, but the manual mode needs two persons to operate and cooperate, so that the labor cost is increased, the labor efficiency is reduced, and the industrial packaging production is not facilitated.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a preparation method of a PET optical film, which comprises the following specific technical scheme:
a preparation method of a PET optical film comprises the following steps:
step S1: releasing the PET plastic film coiled material at a constant speed by using a releasing roll;
step S2: uniformly coating the functional coating liquid on one surface of the PET plastic film coiled material by using a coating machine;
step S3: continuously carrying out dynamic drying treatment on the PET plastic film coiled material coated with the functional coating liquid by using a dryer to obtain a PET optical film;
step S4: rewinding the PET optical film at a constant speed by using a wind-up roll to obtain an optical film coiled material;
step S5: and (5) winding and packaging the optical film coiled material by using a packaging and film winding device.
Further, the packaging film winding device comprises a base, one end of the top surface of the base is provided with a rotary sleeving mechanism for placing optical film coiled materials, the other end of the top surface of the base is provided with a lifting sleeving mechanism for placing wound film coiled materials, and the rotary sleeving mechanism is provided with a limiting cutting mechanism for longitudinally limiting the wound films and longitudinally cutting the wound films.
Furthermore, the rotary sleeving mechanism comprises a rotary supporting component vertically arranged on the base, the rotary supporting component comprises an installation box with an accommodating space inside, a rotating shaft vertically penetrates through the middle of the installation box, the bottom end of the rotating shaft is rotatably connected with the bottom surface of the installation box through a first bearing, the rotating shaft is rotatably connected with the top surface of the installation box through a second bearing, a speed reducing motor is vertically arranged in the installation box, and the power output end of the speed reducing motor is connected with the rotating shaft through a gear in a transmission manner; a first tray is axially and fixedly connected to the rotating shaft, the first tray is arranged above the top surface of the installation box, and the outer diameter of the first tray is matched with that of the optical film coiled material; the top circumference of pivot is provided with cyclic annular flange, cyclic annular flange detachably rotates the joint in convertible bearing bracket.
Further, a second tray is axially and fixedly connected to the rotating shaft, is positioned between the first tray and the installation box, and is close to the top surface of the installation box; the diameter of the second tray is larger than the diameter of the first tray.
Further, convertible bearing bracket is including being located the montant in the install bin outside, the top of montant articulates there is the horizontal pole, the outer tip bottom surface of horizontal pole is provided with rotatory buckle subassembly, the cyclic annular flange on pivot top rotate the joint in the rotatory buckle subassembly.
Further, rotatory buckle subassembly includes the third bearing, the third bearing inlays to be located in the outer tip bottom surface of horizontal pole, vertical rotation is connected with the installation axle in the third bearing, the bottom surface axial fixedly connected with opening installation section of thick bamboo down of installation axle, relative mount is equipped with the bracing piece on the installation section of thick bamboo inner wall, two torque spring has been cup jointed to the axial respectively on the bracing piece, two the bottom of torque spring is connected with the card arm of falling L shape structure respectively, two articulated setting between the horizontal portion of card arm, two the vertical portion bottom of card arm is integrated respectively and is connected with the pothook, the bottom of pothook stretches out the installation section of thick bamboo outside, the lateral surface of card arm with through spring coupling between the installation section of thick bamboo inner wall.
Further, over-and-under type suit mechanism includes the mounting groove of vertical setting, the notch orientation of mounting groove spacing mechanism one side of cutting, the ball is erect to the rotatable ground between the wall of mounting groove inner end, ball top axial fixedly connected with servo motor, the spiro union has ball nut seat on the ball, the lateral surface of ball nut seat is provided with the suit subassembly that is used for placing the winding membrane coiled material perpendicularly.
Furthermore, the sleeving assembly comprises cantilever rods of L-shaped structures which are arranged oppositely, the vertical portions of the cantilever rods below the cantilever rods are vertically connected with the outer side surface of the ball nut seat, the vertical portions of the cantilever rods above the cantilever rods are connected in clamping grooves matched with the cantilever rods in a clamping mode and connected through bolts, one end of each clamping groove is vertically connected with the outer side surface of the ball nut seat, the end surface of the horizontal portion of each cantilever rod is vertically connected with a third tray, the outer diameter of each third tray is matched with the outer diameter of a wound film coiled material, the middle of the top surface of each third tray below the cantilever rods is vertically connected with a sleeve rod, the outer diameter of each sleeve rod is smaller than the inner diameter of the wound film coiled material, the middle of the bottom surface of each third tray above the wound film coiled material is vertically connected with an inserting rod, and the inserting rods are detachably connected with the sleeve rods in an inserting mode.
Further, the suit subassembly orientation the vertical interval in spacing cutting mechanism one side is provided with two transition roller shafts, two the bottom of transition roller shaft respectively with the base is rotationally connected, two the top of transition roller shaft is rotationally connected through first connecting plate.
Further, the limiting and cutting mechanism comprises a limiting plate, the limiting plate is vertically arranged on the base, a limiting square hole is longitudinally formed in the limiting plate, the transverse width of the limiting square hole is matched with the thickness of the wound film, the longitudinal length of the limiting square hole is larger than the width of the wound film, the bottom end of the limiting square hole is flush with the top surface of the second tray, and the top end of the limiting square hole is close to and located below the rotary buckle assembly in space; a guide rod is vertically arranged on the base, the guide rod is positioned on one side, facing the rotary sleeving mechanism, of the limiting plate, and the top end of the guide rod is fixedly connected with the top end of the limiting plate through a second connecting plate; the guide rod is axially sleeved with a sliding sleeve in a sliding mode, the outer wall of the sliding sleeve is vertically connected with a fixing frame, an art designing knife matched with the fixing frame is vertically inserted into the fixing frame in a splicing mode, the side wall of the fixing frame is hinged with a hanging belt, and the hanging belt is in clamping fit with a screw rod on the corresponding side wall of the second connecting plate.
The invention has the beneficial effects that:
the invention uses the packaging film-winding device to wind and package the optical film coiled material, only one person is needed to complete the operation, thereby reducing the labor cost, improving the labor efficiency and being beneficial to industrialized packaging production.
Drawings
FIG. 1 shows a flow chart of a method of making PET optical films of the present invention;
FIG. 2 is a schematic view showing the structure of the wrapping and film-winding apparatus according to the present invention;
FIG. 3 is a schematic view showing the construction of the rotary type housing mechanism according to the present invention;
FIG. 4 shows a schematic view of a rotary buckle assembly according to the present invention;
FIG. 5 is a schematic view showing an assembly structure of the lifting type sleeving mechanism and a transition roll shaft in the invention;
FIG. 6 is a schematic view showing the construction of the kit of the present invention;
FIG. 7 is a schematic view of the limiting cutting mechanism of the present invention;
fig. 8 shows a representation of the operation of the wrapping and film-wrapping device of the present invention.
Shown in the figure: 1. a base; 2. a rotary sleeving mechanism; 21. a rotation support assembly; 211. installing a box; 212. a rotating shaft; 2121. an annular flange; 213. a first bearing; 214. a second bearing; 215. a reduction motor; 22. a first tray; 221. a second tray; 23. a turnover type bearing frame; 231. a vertical rod; 232. a cross bar; 233. rotating the buckle assembly; 2331. a third bearing; 2332. installing a shaft; 2333. mounting the cylinder; 2334. a support bar; 2335. a torsion spring; 2336. a clamp arm; 2337. a hook; 2338. a spring; 3. a lifting type sleeving mechanism; 31. mounting grooves; 32. a ball screw; 33. a servo motor; 34. a ball nut seat; 35. sleeving the assembly; 351. a cantilever bar; 352. a third tray; 353. a loop bar; 354. inserting a rod; 355. a card slot; 4. a transition roll shaft; 41. a first connecting plate; 5. a limiting cutting mechanism; 51. a limiting plate; 511. limiting a square hole; 52. a guide bar; 53. a second connecting plate; 54. a sliding sleeve; 55. a fixed mount; 56. an art designing knife; 57. hanging a belt; 6. an optical film roll; 7. and (5) winding the film coil.
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. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a method for preparing a PET optical film includes the following steps:
step S1: releasing the PET plastic film coiled material at a constant speed by using a releasing roll;
step S2: uniformly coating the functional coating liquid on one surface of the PET plastic film coiled material by using a coating machine; the functional masking liquid is an ultraviolet-proof masking liquid;
step S3: continuously carrying out dynamic drying treatment on the PET plastic film coiled material coated with the functional coating liquid by using a dryer to obtain a PET optical film;
step S4: rewinding the PET optical film at a constant speed by using a wind-up roll to obtain an optical film coiled material;
step S5: and (5) winding and packaging the optical film coiled material by using a packaging and film winding device.
Through the technical scheme, the optical film coiled material is wrapped and packaged by the packaging and film wrapping device, and the packaging and film wrapping device can be operated and completed by only one person, so that the labor cost is reduced, the labor efficiency is improved, and the industrial packaging production is facilitated.
As shown in fig. 2, the packaging film winding device comprises a base 1, one end part of the top surface of the base 1 is provided with a rotary type sleeving mechanism 2 for placing an optical film coiled material 6, the other end part is provided with a lifting type sleeving mechanism 3 for placing a winding film coiled material 7, and a limiting cutting mechanism 5 for longitudinally limiting the winding film and longitudinally cutting the winding film is arranged between the rotary type sleeving mechanism 2 and the lifting type sleeving mechanism 3.
Through the technical scheme, at first, vertically place optical film coiled material 6 on rotation type suit mechanism 2, will twine the membrane coiled material 7 and vertically place on over-and-under type suit mechanism 3, then, will twine the membrane and draw forth from one end and pass spacing cutting mechanism 5 and paste at optical film coiled material 6 surface, then, drive optical film coiled material 6 through rotation type suit mechanism 2 and rotate, it pastes on optical film coiled material 6 just to twine the membrane, and simultaneously, over-and-under type suit mechanism 3 drives twine membrane coiled material 7 and reciprocates, optical film coiled material 6 just can be covered by the twine membrane completely like this.
As shown in fig. 3, the rotary sleeving mechanism 2 includes a rotary supporting component 21 vertically arranged on the base 1, the rotary supporting component 21 includes an installation box 211 having an accommodating space therein, a rotating shaft 212 vertically penetrates through the middle of the installation box 211, the bottom end of the rotating shaft 212 is rotatably connected with the bottom surface of the installation box 211 through a first bearing 213, the rotating shaft 212 is rotatably connected with the top surface of the installation box 211 through a second bearing 214, a speed reduction motor 215 is vertically arranged in the installation box 211, and the power output end of the speed reduction motor 215 is connected with the rotating shaft 212 through gear transmission; a first tray 22 is axially and fixedly connected to the rotating shaft 212, the first tray 22 is arranged above the top surface of the installation box 211, and the outer diameter of the first tray 22 is matched with the outer diameter of the optical film coiled material 6; the top circumference of pivot 212 is provided with cyclic annular flange 2121, cyclic annular flange 2121 detachably rotates the joint in convertible bearing frame 23.
Through the technical scheme, the rotary supporting component 21 can drive the first tray 22 on the rotating shaft 212 to rotate, the optical film coiled material 6 is vertically inserted on the rotating shaft 212, and the optical film coiled material 6 can rotate along with the first tray 22 due to the dead weight of the optical film coiled material 6, so that the optical film coiled material is convenient to take and place.
As shown in fig. 3, a second tray 221 is axially and fixedly connected to the rotating shaft 212, and the second tray 221 is located between the first tray 22 and the installation box 211 and is adjacent to the top surface of the installation box 211; the diameter of the second tray 221 is larger than the diameter of the first tray 22.
Through the technical scheme, the arranged second tray 221 can receive the winding film falling out of the lower part of the first tray 22, and the winding film is prevented from being wound on the rotating shaft 212 to hinder normal packaging and winding operation.
As shown in fig. 3, the turnover type bearing frame 23 includes a vertical rod 231 located outside the installation box 211, a horizontal rod 232 is hinged to the top end of the vertical rod 231, a rotary buckle component 233 is arranged on the bottom surface of the outer end portion of the horizontal rod 232, and an annular flange 2121 at the top end of the rotating shaft 212 is rotatably clamped in the rotary buckle component 233.
Through the technical scheme, the vertical rods 231 are hinged with the cross rods 232, so that the optical film coiled material is convenient to take and place; the rotary catch assembly 233 is provided to keep the rotation shaft 212 smoothly rotated.
As shown in fig. 4, the rotating buckle assembly 233 includes a third bearing 2331, the third bearing 2331 is embedded in the bottom surface of the outer end portion of the cross bar 232, a mounting shaft 2332 is vertically and rotatably connected in the third bearing 2331, a mounting tube 2333 with a downward opening is axially and fixedly connected to the bottom surface of the mounting shaft 2332, a support rod 2334 is arranged on the inner wall of the mounting tube 2333 opposite to the fixing frame, torsion springs 2335 are axially sleeved on the two support rods 2334 respectively, clamp arms 2336 with an inverted L-shaped structure are connected to the bottoms of the two torsion springs 2335 respectively, transverse portions of the two clamp arms 2336 are hinged to each other, hooks 2337 are integrally connected to the bottom ends of the vertical portions of the two clamp arms 2336 respectively, the bottom ends of the hooks 2337 extend out of the mounting tube 2333, and the outer side surfaces of the clamp arms 2336 are connected to the inner wall of the mounting tube 2333 through springs 2338.
Through the above technical solution, the annular flange 2121 at the top end of the rotating shaft 212 presses the inclined surfaces of the hooks 2337 towards both sides into the mounting tube 2333, and is clamped with the hooks 2337, and at this time, the torsion spring 2335 and the spring 2338 keep the two clamping arms 2336 clamped with the annular flange 2121 by resilience; when the annular flange 2121 is taken out, the bottom end of the clamping hook 2337 is manually pinched and pulled towards two sides until the annular flange 2121 is separated from the mounting cylinder 2333, and the mounting cylinder 2333 rotates in the third bearing 2331 along with the mounting shaft 2332; the whole process is convenient to disassemble and assemble and reliable in connection.
As shown in fig. 5, the lifting type sleeving mechanism 3 includes a vertically arranged mounting groove 31, a notch of the mounting groove 31 faces the limiting cutting mechanism 5, a ball screw 32 is rotatably erected between inner end walls of the mounting groove 31, a servo motor 33 is fixedly connected to the top end of the ball screw 32 in the axial direction, a ball nut seat 34 is screwed on the ball screw 32, and an sleeving assembly 35 for placing the wound film roll 7 is vertically arranged on the outer side surface of the ball nut seat 34.
Through above-mentioned technical scheme, suit subassembly 35 passes through screw drive, and it is at the in-process that reciprocates, and is more steady, reliable.
As shown in fig. 6, the sheathing assembly 35 includes cantilever rods 351 having L-shaped structures, which are disposed oppositely, a vertical portion of the cantilever rod 351 located at the lower side is vertically connected with an outer side surface of the ball nut seat 34, a vertical portion of the cantilever rod 351 located at the upper side is clamped in a clamping groove 355 adapted to the vertical portion, and are connected by bolts, one end of the locking groove 355 is vertically connected with the outer side surface of the ball nut seat 34, the end surface of the horizontal part of each cantilever rod 351 is vertically connected with a third tray 352, the outer diameter of the third tray 352 is matched with the outer diameter of the winding film coiled material 7, a sleeve rod 353 is vertically connected to the middle of the top surface of the third tray 352 below, the outer diameter of the sleeve rod 353 is smaller than the inner diameter of the winding film coiled material 7, an inserting rod 354 is vertically connected to the middle of the bottom surface of the third tray 352 above the sleeve rod 353, and the inserting rod 354 is detachably matched with the sleeve rod 353 in an inserting mode.
Through above-mentioned technical scheme, inserted bar 354 and loop bar 353 detachably peg graft the cooperation to and the vertical portion and the draw-in groove 355 joint cooperation of cantilever bar 351 that is in the top, and through bolted connection, get and put winding membrane coiled material 7 after the dismouting of being convenient for like this.
As shown in fig. 5, the sleeving assembly 35 faces the limiting cutting mechanism 5, two transition rollers 4 are vertically arranged at intervals on one side of the limiting cutting mechanism, the bottom ends of the transition rollers 4 are respectively rotatably connected with the base 1, and the top ends of the transition rollers 4 are rotatably connected through a first connecting plate 41.
Through the technical scheme, the two transition roller shafts 4 can ensure that the winding film can be stable and labor-saving when pulled.
As shown in fig. 7 and 8, the limiting and cutting mechanism 5 includes a limiting plate 51, the limiting plate 51 is vertically disposed on the base 1, a limiting square hole 511 is longitudinally disposed in the limiting plate 51, the transverse width of the limiting square hole 511 is adapted to the thickness of the wound film, the longitudinal length of the limiting square hole 511 is greater than the width of the wound film, the bottom end of the limiting square hole 511 is flush with the top surface of the second tray 221, and the top end of the limiting square hole 511 is spatially close to and located below the rotating buckle component 233; a guide rod 52 is vertically arranged on the base 1, the guide rod 52 is positioned on one side of the limiting plate 51, which faces the rotary type sleeving mechanism 2, and the top end of the guide rod 52 is fixedly connected with the top end of the limiting plate 51 through a second connecting plate 53; the guide rod 52 is axially sleeved with a sliding sleeve 54 in a sliding manner, the outer wall of the sliding sleeve 54 is vertically connected with a fixing frame 55, a craft knife 56 matched with the fixing frame 55 is vertically inserted into the fixing frame 55, the side wall of the fixing frame 55 is hinged with a hanging belt 57, and the hanging belt 57 is in clamping fit with a screw rod on the corresponding side wall of the second connecting plate 53.
Through the technical scheme, the limiting square hole 511 in the limiting plate 51 can prevent the winding film from being bent in the process of being pulled, so that the winding film packaging effect is prevented from being influenced; the utility knife 56 may cut the wrapping film as the sliding sleeve 54 falls and stick the end face of the wrapping film to the guide bar 52 for the next drawing onto a new optical film roll 6; the hanging belt 57 is in clamping fit with the screw rod on the corresponding side wall of the second connecting plate 53, so that the sliding sleeve 54 can be conveniently hung.
When the invention is implemented, firstly, the optical film coiled material 6 is sleeved on the rotating shaft 212 above the first tray 22, and then the cross rod 232 is turned over, so that the annular flange 2121 at the top end of the rotating shaft 212 is clamped in the mounting cylinder 2333; then, the winding film coiled material 7 is sleeved on the sleeve rod 353, the inserting rod 354 is inserted into the top end of the sleeve rod 353, meanwhile, the vertical part of the cantilever rod 351 positioned above is in clamping fit with the clamping groove 355 and is connected with the clamping groove through a bolt, one end of the winding film coiled material 7 is pulled out, the winding film coiled material sequentially passes through the two transition roller shafts 4 in a tangential attachment mode, passes through the limiting square hole 51 in the limiting plate 51 and is simultaneously attached with the guide rod 52 in a tangential attachment mode, finally, the winding film coiled material is attached to the surface of the optical film coiled material 6, then, the speed reducing motor 215 is started, the rotating shaft 212 rotates to drive the first tray 22 to rotate, the first tray 22 drives the optical film coiled material 6 to rotate, the winding film is attached to the optical film coiled material 6, meanwhile, the lifting type sleeving mechanism 3 drives the winding film coiled material 7 to move up and down, so that the optical film coiled material 6 is completely covered by the winding film, and finally, the optical film coiled material 6 is taken down, and the extended winding films on the two end sides are circumferentially screwed and closed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A preparation method of a PET optical film is characterized by comprising the following steps:
step S1: releasing the PET plastic film coiled material at a constant speed by using a releasing roll;
step S2: uniformly coating the functional coating liquid on one surface of the PET plastic film coiled material by using a coating machine;
step S3: continuously carrying out dynamic drying treatment on the PET plastic film coiled material coated with the functional coating liquid by using a dryer to obtain a PET optical film;
step S4: rewinding the PET optical film at a constant speed by using a wind-up roll to obtain an optical film coiled material;
step S5: and (5) winding and packaging the optical film coiled material by using a packaging and film winding device.
2. The method for preparing a PET optical film according to claim 1, wherein: the packaging film winding device comprises a base, a rotary sleeving mechanism used for placing optical film coiled materials is arranged at one end of the top surface of the base, a lifting sleeving mechanism used for placing the winding film coiled materials is arranged at the other end of the top surface of the base, and a limiting cutting mechanism used for longitudinally limiting the winding film and longitudinally cutting the winding film is arranged between the rotary sleeving mechanism and the lifting sleeving mechanism.
3. The method for preparing a PET optical film according to claim 2, wherein: the rotary sleeving mechanism comprises a rotary supporting component vertically arranged on the base, the rotary supporting component comprises an installation box with an accommodating space inside, a rotating shaft vertically penetrates through the middle of the installation box, the bottom end of the rotating shaft is rotatably connected with the bottom surface of the installation box through a first bearing, the rotating shaft is rotatably connected with the top surface of the installation box through a second bearing, a speed reducing motor is vertically arranged in the installation box, and the power output end of the speed reducing motor is connected with the rotating shaft through gear transmission; a first tray is axially and fixedly connected to the rotating shaft, the first tray is arranged above the top surface of the installation box, and the outer diameter of the first tray is matched with that of the optical film coiled material; the top circumference of pivot is provided with cyclic annular flange, cyclic annular flange detachably rotates the joint in convertible bearing bracket.
4. The method for preparing a PET optical film according to claim 3, wherein: a second tray is axially and fixedly connected to the rotating shaft, is positioned between the first tray and the installation box and is close to the top surface of the installation box; the diameter of the second tray is larger than the diameter of the first tray.
5. The method for preparing a PET optical film according to claim 3, wherein: convertible bearing bracket is including being located the montant in the install bin outside, the top of montant articulates there is the horizontal pole, the outer tip bottom surface of horizontal pole is provided with rotatory buckle subassembly, the cyclic annular flange on pivot top rotate the joint in rotatory buckle subassembly.
6. The method for preparing a PET optical film according to claim 5, wherein: rotatory buckle subassembly includes the third bearing, the third bearing inlays to be located in the outer tip bottom surface of horizontal pole, vertical rotation is connected with the installation axle in the third bearing, the bottom surface axial fixity of installation axle is connected with the installation section of thick bamboo of opening down, relative mount is equipped with the bracing piece on the installation section of thick bamboo inner wall, two torsion spring has been cup jointed to the axial respectively on the bracing piece, two torsion spring's bottom is connected with the card arm of falling L shape structure respectively, two articulated setting between the horizontal portion of card arm, two the vertical portion bottom of card arm is integrated respectively to be connected with the pothook, the bottom of pothook stretches out the installation section of thick bamboo outside, the lateral surface of card arm with through spring coupling between the installation section of thick bamboo inner wall.
7. The method for preparing a PET optical film according to claim 2, wherein: over-and-under type suit mechanism includes the mounting groove of vertical setting, the notch orientation of mounting groove spacing mechanism one side of cutting, ball is erect to rotate between the end wall in the mounting groove, ball top axial fixedly connected with servo motor, the spiro union has ball nut seat on the ball, the lateral surface of ball nut seat is provided with the suit subassembly that is used for placing the winding membrane coiled material perpendicularly.
8. The method for preparing a PET optical film according to claim 7, wherein: the nested assembly comprises cantilever rods of L-shaped structures which are arranged oppositely, the cantilever rods are located below vertical portions of the cantilever rods are perpendicularly connected with the outer side faces of the ball nut seats, the cantilever rods are located above vertical portions of the cantilever rods are connected in clamping grooves matched with the cantilever rods in a clamped mode and connected through bolts, one end of each clamping groove is perpendicularly connected with the outer side faces of the ball nut seats, each horizontal portion end face of each cantilever rod is perpendicularly connected with a third tray, the outer diameter of each third tray is matched with the outer diameter of a wound film coiled material, the middle portion of the top face of each third tray is located below the sleeve rod is perpendicularly connected with the middle portion of the top face of the corresponding third tray, the outer diameter of each sleeve rod is smaller than the inner diameter of the wound film coiled material, the middle portion of the bottom face of the corresponding third tray is perpendicularly connected with an insertion rod, and the insertion rods are detachably connected with the sleeve rods in an inserting mode.
9. The method for preparing a PET optical film according to claim 8, wherein: the suit subassembly orientation the vertical interval in spacing mechanism one side of cutting is provided with two transition roller, two the bottom of transition roller respectively with the base is rotationally connected, two the top of transition roller is rotationally connected through first connecting plate.
10. The method for preparing a PET optical film according to claim 5, wherein: the limiting and cutting mechanism comprises a limiting plate, the limiting plate is vertically arranged on the base, a limiting square hole is longitudinally formed in the limiting plate, the transverse width of the limiting square hole is matched with the thickness of the wound film, the longitudinal length of the limiting square hole is larger than the width of the wound film, the bottom end of the limiting square hole is flush with the top surface of the second tray, and the top end of the limiting square hole is close to and located below the rotary buckle assembly in space; a guide rod is vertically arranged on the base, the guide rod is positioned on one side, facing the rotary sleeving mechanism, of the limiting plate, and the top end of the guide rod is fixedly connected with the top end of the limiting plate through a second connecting plate; the guide rod is axially sleeved with a sliding sleeve in a sliding mode, the outer wall of the sliding sleeve is vertically connected with a fixing frame, an art designing knife matched with the fixing frame is vertically inserted into the fixing frame in a splicing mode, the side wall of the fixing frame is hinged with a hanging belt, and the hanging belt is in clamping fit with a screw rod on the corresponding side wall of the second connecting plate.
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Cited By (1)
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Denomination of invention: A packaging film wrapping device and a preparation method for PET optical thin films Effective date of registration: 20231212 Granted publication date: 20230725 Pledgee: China Construction Bank Corporation Xuancheng Development Zone Branch Pledgor: Anhui Si Rui Meng New Material Co.,Ltd. Registration number: Y2023980070839 |