CN113174215A - Preparation and application of high-viscosity polyurethane protective film - Google Patents
Preparation and application of high-viscosity polyurethane protective film Download PDFInfo
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- CN113174215A CN113174215A CN202110662736.5A CN202110662736A CN113174215A CN 113174215 A CN113174215 A CN 113174215A CN 202110662736 A CN202110662736 A CN 202110662736A CN 113174215 A CN113174215 A CN 113174215A
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- 230000001681 protective effect Effects 0.000 title claims abstract description 70
- 239000004814 polyurethane Substances 0.000 title claims abstract description 68
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000000853 adhesive Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims abstract description 11
- 238000007639 printing Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000007664 blowing Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims abstract description 4
- 238000007646 gravure printing Methods 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000002791 soaking Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000005520 cutting process Methods 0.000 claims description 73
- 230000005540 biological transmission Effects 0.000 claims description 26
- 239000000047 product Substances 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 15
- 229920006264 polyurethane film Polymers 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 10
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000011265 semifinished product Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
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- 239000005056 polyisocyanate Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 239000004970 Chain extender Substances 0.000 description 1
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- 229920000297 Rayon Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 229920002521 macromolecule Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
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- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
- C09J2475/006—Presence of polyurethane in the substrate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses preparation and application of a high-viscosity polyurethane protective film, relates to the technical field of polyurethane protective films, and aims to solve the problem that a splitting machine is easy to adhere and stop when the polyurethane protective film is cut by the splitting machine due to high viscosity of the film in the preparation and production processes of the existing polyurethane protective film. The method comprises the following steps: step 1: melting and plasticizing polyurethane in an extruder, extruding the polyurethane into a film tube through an annular die head, and blowing, cooling and shaping the film tube by compressed air to obtain a film; step 2: soaking the printing plate in an ink tank by using a gravure printing machine, removing ink from the non-engraved part by using a scraper, and transferring the ink to a printing substrate under the action of an impression rubber roll; and step 3: according to the specification and the model of the polyurethane protective film and the applicable product, the adhesive is prepared and then is handed to a professional coater to uniformly coat the adhesive on the base material.
Description
Technical Field
The invention relates to the technical field of polyurethane protective films, in particular to preparation and application of a high-viscosity polyurethane protective film.
Background
The polyurethane protective film is a functional protective film which is formed by taking a transparent PET film as a base material, coating polyurethane glue on one surface of the transparent PET film and attaching a release film on the back surface of the transparent PET film. The polyurethane is mainly used for the protection of liquid crystal panels in high temperature processes and the shipment protection of ITO and glass panels, and is generally called polyurethane, which is a general name of macromolecular compounds containing repeated urethane groups on the main chain. The optical PU protective film is formed by polyaddition of organic diisocyanate or polyisocyanate and dihydroxy or polyhydroxy compounds, polyurethane is a polymer prepared from raw materials such as polyisocyanate and polyether polyol or polyester polyol or chain extenders or cross-linking agents such as micromolecular polyol, polyamine or water, and the like, has good adsorbability and stability, is not easy to remain glue, residue and transfer, and can gradually replace a silica gel protective film to become a market master force of the touch screen protective film in the future protective film market.
The problem that a splitting machine is easy to adhere and stop when the splitting machine cuts a polyurethane protective film due to high viscosity of the film in the preparation and production processes of the existing polyurethane protective film, normal operation of the splitting machine is affected, and therefore preparation and application of the high-viscosity polyurethane protective film are provided.
Disclosure of Invention
The invention aims to provide preparation and application of a high-viscosity polyurethane protective film, and aims to solve the problem that a splitting machine is easy to adhere and stop when the polyurethane protective film is cut due to high viscosity of the film in the preparation and production processes of the existing polyurethane protective film in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the preparation and application of the high-viscosity polyurethane protective film comprise the following steps:
step 1: melting and plasticizing polyurethane in an extruder, extruding the polyurethane into a film tube through an annular die head, and blowing, cooling and shaping the film tube by compressed air to obtain a film;
step 2: soaking the printing plate in an ink tank by using a gravure printing machine, removing ink from the non-engraved part by using a scraper, and transferring the ink to a printing substrate under the action of an impression rubber roll;
and step 3: according to the specification and the model of the polyurethane protective film and the applicable product, the adhesive is prepared and then is handed to a professional coating machine to uniformly coat the adhesive on the base material;
and 4, step 4: rewinding the semi-finished product and the finished product on a product inspection machine, and automatically stopping the product inspection machine to inspect when errors of the pattern fed back by the sensor and the standard sample input into the computer in the aspects of shape, size and color exceed a certain range;
and 5: cutting the film roll into required specification and size by non-contact cutting equipment, and respectively collecting the cut protective films in a roll form;
step 6: conveying the finished product of the polyurethane protective film cut into a roll to a packaging machine, and packaging and processing to obtain a finished product;
and 7: when the high-viscosity polyurethane protective film is used, the starting end of the protective film is torn, the polyurethane protective film is attached to a product to be protected through the adhesive surface of the protective film, then the attached part is cut off, and finally the rest part is wound on the packaging roller again;
wherein, non-contact cutting equipment includes the equipment board, the upper end of equipment board is provided with cutting frame, cutting frame's top is provided with movable platform, movable platform's upper end is provided with plasma mechanism, plasma mechanism's lower extreme is provided with the cutting end, the below of cutting end is provided with the polyurethane membrane, and the polyurethane membrane is located cutting frame's inside, cutting frame's rear end is provided with the locating support, adjacent two install the center between the locating support and bear the axle, install into the winding reel on the outer wall that the axle was born in the center.
Preferably, be provided with protecting sheathing on the outer wall of cutting end, protecting sheathing's inside is provided with plasma nozzle, plasma nozzle's inside is provided with the plasma electrode, and plasma nozzle and plasma electrode all set up with cutting end integrated into one piece, plasma nozzle is located the polyurethane film directly over.
Preferably, a gas outlet is formed below the plasma electrode, the gas outlet and the cutting end are integrally formed, and the output end of the plasma electrode and the gas outlet are located on the same vertical line.
Preferably, be provided with the coupling groove on the inner wall of locating support, and coupling groove and locating support integrated into one piece set up, the inside in coupling groove is provided with the transmission shaft, the both ends that the axle was born in the center all are provided with the disc electro-magnet, and the axle is born in the center and pass through disc electro-magnet and transmission shaft absorption fixed connection.
Preferably, the inner wall of the shaft connecting groove is provided with a bearing, the bearing is fixedly connected with the inner wall of the shaft connecting groove, the transmission shaft is movably connected with the positioning support through the bearing, and the positioning support is in transmission connection with the central bearing shaft through the transmission shaft.
Preferably, the below of locating support is provided with servo drive motor, and servo drive motor's casing passes through screw and equipment board fixed mounting, one the inside of locating support is provided with extends the pore, and extends pore and locating support integrated into one piece setting, the inside in extension pore is provided with the braking axle, and braking axle and transmission shaft integrated into one piece setting.
Preferably, a synchronous belt is arranged between the output ends of the brake shaft and the servo drive motor, and two ends of the synchronous belt are respectively movably connected with the brake shaft and the belt pulley on the output end of the servo drive motor.
Preferably, all be provided with the guide rail on the both sides outer wall of cutting frame, and guide rail and cutting frame integrated into one piece set up, movable platform's both ends all are provided with movable sliding table, and movable platform passes through movable sliding table and guide rail swing joint.
Preferably, the two ends of the cutting frame are provided with an in-out through groove, the in-out through groove and the cutting frame are integrally formed, a separation groove is formed in the cutting frame, the separation groove and the cutting frame are integrally formed, and the two polyurethane films are separated and displayed through the separation groove.
Preferably, an equipment power box is arranged on the outer wall of one side of the equipment machine table and is electrically connected with the non-contact cutting equipment.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the film roll is divided into the required specification and size by the non-contact cutting equipment, the cut protective films are respectively collected in a roll, the polyurethane film is cut by plasma in a non-contact manner, the viscose surface of the polyurethane film is arranged above the polyurethane film, the back surface of the polyurethane film is arranged below the polyurethane film, the polyurethane film advances in the cutting frame and is cut off after being wound to a certain degree, and the problem that the polyurethane protective film is easy to adhere and stop when a splitting machine cuts the polyurethane protective film due to the high viscosity of the film in the preparation and production processes of the existing polyurethane protective film is solved.
2. The center bearing shaft is fixedly connected with the transmission shaft in an adsorption mode through the disc electromagnet, after the winding shaft winds the polyurethane protective film with the proper length, the polyurethane protective film is cut off by the cutting end of the plasma mechanism, then the power-on state of the disc electromagnet can be closed, the magnetic force of the disc electromagnet can be relieved, the center bearing shaft can be conveniently taken out of the positioning support together with the winding shaft, finally, the winding shaft which is full of polyurethane is taken down and replaced by the winding shaft which is empty, and the film is continuously collected, so that the purpose of facilitating discharging is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a non-contact cutting apparatus according to the present invention;
FIG. 3 is a schematic view of the internal structure of the cutting tip of the present invention;
FIG. 4 is a schematic view of the rear end face structure of the cutting frame of the present invention;
FIG. 5 is a schematic view of the connection structure of the positioning bracket and the transmission shaft according to the present invention;
in the figure: 1. an equipment machine table; 2. cutting the frame; 3. an in-out through groove; 4. a guide rail; 5. a movable sliding table; 6. a movable platform; 7. a plasma mechanism; 8. cutting an end head; 9. a device power supply box; 10. a separation tank; 11. a polyurethane film; 12. a protective housing; 13. a plasma nozzle; 14. a plasma electrode; 15. a gas outlet; 16. forming a winding drum; 17. a servo drive motor; 18. a synchronous belt; 19. positioning the bracket; 20. a drive shaft; 21. a brake shaft; 22. a central load bearing shaft; 23. a shaft connecting groove; 24. a bearing; 25. an extended tunnel; 26. a disc electromagnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: the preparation and application of the high-viscosity polyurethane protective film comprise the following steps:
step 1: melting and plasticizing polyurethane in an extruder, extruding the polyurethane into a film tube through an annular die head, and blowing, cooling and shaping the film tube by compressed air to obtain a film;
step 2: soaking the printing plate in an ink tank by using a gravure printing machine, removing ink from the non-engraved part by using a scraper, and transferring the ink to a printing substrate under the action of an impression rubber roll;
and step 3: according to the specification and the model of the polyurethane protective film and the applicable product, the adhesive is prepared and then is handed to a professional coating machine to uniformly coat the adhesive on the base material;
and 4, step 4: rewinding the semi-finished product and the finished product on a product inspection machine, and automatically stopping the product inspection machine to inspect when errors of the pattern fed back by the sensor and the standard sample input into the computer in the aspects of shape, size and color exceed a certain range;
and 5: cutting the film roll into required specification and size by non-contact cutting equipment, and respectively collecting the cut protective films in a roll form;
step 6: conveying the finished product of the polyurethane protective film cut into a roll to a packaging machine, and packaging and processing to obtain a finished product;
and 7: when the high-viscosity polyurethane protective film is used, the starting end of the protective film is torn, the polyurethane protective film is attached to a product to be protected through the adhesive surface of the protective film, then the attached part is cut off, and finally the rest part is wound on the packaging roller again;
wherein, non-contact cutting equipment includes equipment board 1, the upper end of equipment board 1 is provided with cutting frame 2, cutting frame 2's top is provided with movable platform 6, movable platform 6's upper end is provided with plasma mechanism 7, plasma mechanism 7's lower extreme is provided with cutting end 8, cutting end 8's below is provided with polyurethane film 11, and polyurethane film 11 is located cutting frame 2's inside, cutting frame 2's rear end is provided with locating support 19, install the center between two adjacent locating support 19 and bear axle 22, install into a winding reel 16 on the outer wall that the center bore axle 22.
Further, be provided with protecting sheathing 12 on the outer wall of cutting end 8, the inside of protecting sheathing 12 is provided with plasma nozzle 13, the inside of plasma nozzle 13 is provided with plasma electrode 14, and plasma nozzle 13 and plasma electrode 14 all set up with cutting end 8 integrated into one piece, plasma nozzle 13 is located polyurethane film 11 directly over, protecting sheathing 12 that sets up on the outer wall of cutting end 8 plays the effect of protection cutting end 8 inner structure, plasma nozzle 13 that the inside of protecting sheathing 12 set up plays the effect of bearing plasma electrode 14, plasma electrode 14 that the inside of plasma nozzle 13 set up plays the effect of releasing plasma gas.
Further, a gas outlet 15 is arranged below the plasma electrode 14, the gas outlet 15 and the cutting end 8 are integrally formed, the output end of the plasma electrode 14 and the gas outlet 15 are located on the same vertical line, and the gas outlet 15 arranged below the plasma electrode 14 plays a role in facilitating ejection of plasma gas.
Further, be provided with coupling groove 23 on the inner wall of locating support 19, and coupling groove 23 and locating support 19 integrated into one piece set up, the inside in coupling groove 23 is provided with transmission shaft 20, the both ends that axle 22 was born at the center all are provided with disc electro-magnet 26, and axle 22 is born at the center and pass through disc electro-magnet 26 and transmission shaft 20 absorption fixed connection, coupling groove 23 that sets up on the inner wall of locating support 19 plays the effect that transmission shaft 20 and locating support 19 are connected of being convenient for, transmission shaft 20 that the inside of coupling groove 23 set up plays the effect that drives axle 22 pivoted is born at the center, disc electro-magnet 26 that the both ends that axle 22 were born at the center all set up plays the effect of adsorbing fixed transmission shaft 20 and bearing axle 22 at the center.
Further, a bearing 24 is arranged on the inner wall of the coupling groove 23, the bearing 24 is fixedly connected with the inner wall of the coupling groove 23, the transmission shaft 20 is movably connected with the positioning support 19 through the bearing 24, the positioning support 19 is in transmission connection with the central bearing shaft 22 through the transmission shaft 20, and the bearing 24 arranged on the inner wall of the coupling groove 23 plays a role in assisting the transmission shaft 20 to be movably connected with the coupling groove 23.
Further, the below of locating support 19 is provided with servo drive motor 17, and servo drive motor 17's casing passes through screw and equipment board 1 fixed mounting, the inside of a locating support 19 is provided with extends pore 25, and extend pore 25 and locating support 19 integrated into one piece setting, the inside of extending pore 25 is provided with brake shaft 21, and brake shaft 21 and transmission shaft 20 integrated into one piece setting, servo drive motor 17 that the below of locating support 19 set up plays and drives brake shaft 21 pivoted effect, the brake shaft 21 that the inside of extending pore 25 set up plays and drives transmission shaft 20 pivoted effect thereupon.
Further, a synchronous belt 18 is arranged between the brake shaft 21 and the output end of the servo drive motor 17, two ends of the synchronous belt 18 are movably connected with the brake shaft 21 and a belt pulley on the output end of the servo drive motor 17 respectively, and the synchronous belt 18 arranged between the brake shaft 21 and the output end of the servo drive motor 17 plays a role in connecting the brake shaft 21 and the servo drive motor 17 in a synchronous transmission mode.
Further, all be provided with guide rail 4 on cutting frame 2's the both sides outer wall, and guide rail 4 sets up with cutting frame 2 integrated into one piece, movable platform 6's both ends all are provided with movable slip table 5, and movable platform 6 is through movable slip table 5 and guide rail 4 swing joint, guide rail 4 that all set up on cutting frame 2's the both sides outer wall plays the effect of being convenient for movable slip table 5 and cutting frame 2 swing joint, movable slip table 5 that movable platform 6's both ends all set up plays the effect of bearing movable platform 6 both ends.
Further, the both ends of cutting frame 2 all are provided with business turn over and lead to groove 3, and business turn over leads to groove 3 and cutting frame 2 integrated into one piece setting, the inside of cutting frame 2 is provided with separation groove 10, separation groove 10 sets up with cutting frame 2 integrated into one piece, and two polyurethane membranes 11 separate the display through separation groove 10, the business turn over that the both ends of cutting frame 2 all set up leads to groove 3 and plays the effect of being convenient for polyurethane membrane 11 business turn over cutting frame 2, the separation groove 10 of the inside setting of cutting frame 2 plays the effect of separating two polyurethane membranes 11.
Further, be provided with equipment power supply box 9 on one side outer wall of equipment board 1, and equipment power supply box 9 and non-contact cutting equipment electric connection, the equipment power supply box 9 that sets up on one side outer wall of equipment board 1 plays the effect that provides the electric energy for the operation of whole non-contact cutting equipment.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The preparation and the application of the high-viscosity polyurethane protective film are characterized in that: the method comprises the following steps:
step 1: melting and plasticizing polyurethane in an extruder, extruding the polyurethane into a film tube through an annular die head, and blowing, cooling and shaping the film tube by compressed air to obtain a film;
step 2: soaking the printing plate in an ink tank by using a gravure printing machine, removing ink from the non-engraved part by using a scraper, and transferring the ink to a printing substrate under the action of an impression rubber roll;
and step 3: according to the specification and the model of the polyurethane protective film and the applicable product, the adhesive is prepared and then is handed to a professional coating machine to uniformly coat the adhesive on the base material;
and 4, step 4: rewinding the semi-finished product and the finished product on a product inspection machine, and automatically stopping the product inspection machine to inspect when errors of the pattern fed back by the sensor and the standard sample input into the computer in the aspects of shape, size and color exceed a certain range;
and 5: cutting the film roll into required specification and size by non-contact cutting equipment, and respectively collecting the cut protective films in a roll form;
step 6: conveying the finished product of the polyurethane protective film cut into a roll to a packaging machine, and packaging and processing to obtain a finished product;
and 7: when the high-viscosity polyurethane protective film is used, the starting end of the protective film is torn, the polyurethane protective film is attached to a product to be protected through the adhesive surface of the protective film, then the attached part is cut off, and finally the rest part is wound on the packaging roller again;
wherein, non-contact cutting equipment includes equipment board (1), the upper end of equipment board (1) is provided with cutting frame (2), the top of cutting frame (2) is provided with movable platform (6), the upper end of movable platform (6) is provided with plasma mechanism (7), the lower extreme of plasma mechanism (7) is provided with cutting end (8), the below of cutting end (8) is provided with polyurethane membrane (11), and polyurethane membrane (11) are located the inside of cutting frame (2), the rear end of cutting frame (2) is provided with locating support (19), adjacent two install center between locating support (19) and bear axle (22), install into winding reel (16) on the outer wall that the axle (22) was born in the center.
2. The preparation and application of a high-viscosity polyurethane protective film as claimed in claim 1, wherein the protective film is prepared from the following components in percentage by weight: be provided with protecting sheathing (12) on the outer wall of cutting end (8), the inside of protecting sheathing (12) is provided with plasma nozzle (13), the inside of plasma nozzle (13) is provided with plasma electrode (14), and plasma nozzle (13) and plasma electrode (14) all set up with cutting end (8) integrated into one piece, plasma nozzle (13) are located polyurethane film (11) directly over.
3. The preparation and application of a high-viscosity polyurethane protective film as claimed in claim 2, wherein the protective film is prepared from the following components in percentage by weight: the plasma electrode is characterized in that a gas outlet (15) is formed in the lower portion of the plasma electrode (14), the gas outlet (15) and the cutting end (8) are integrally formed, and the output end of the plasma electrode (14) and the gas outlet (15) are located on the same vertical line.
4. The preparation and application of a high-viscosity polyurethane protective film as claimed in claim 1, wherein the protective film is prepared from the following components in percentage by weight: be provided with coupling groove (23) on the inner wall of locating support (19), and coupling groove (23) and locating support (19) integrated into one piece set up, the inside in coupling groove (23) is provided with transmission shaft (20), the both ends that axle (22) were born at the center all are provided with disc electro-magnet (26), and center bears axle (22) and pass through disc electro-magnet (26) and adsorb fixed connection with transmission shaft (20).
5. The preparation and application of the high-viscosity polyurethane protective film as claimed in claim 4, wherein the high-viscosity polyurethane protective film comprises the following components in percentage by weight: the bearing (24) is arranged on the inner wall of the shaft connecting groove (23), the bearing (24) is fixedly connected with the inner wall of the shaft connecting groove (23), the transmission shaft (20) is movably connected with the positioning support (19) through the bearing (24), and the positioning support (19) is in transmission connection with the central bearing shaft (22) through the transmission shaft (20).
6. The preparation and application of a high-viscosity polyurethane protective film as claimed in claim 1, wherein the protective film is prepared from the following components in percentage by weight: the below of locating support (19) is provided with servo drive motor (17), and the casing of servo drive motor (17) passes through screw and equipment board (1) fixed mounting, one the inside of locating support (19) is provided with extends pore (25), and extends pore (25) and locating support (19) integrated into one piece setting, the inside of extending pore (25) is provided with brake axle (21), and brake axle (21) and transmission shaft (20) integrated into one piece setting.
7. The preparation and application of the high-viscosity polyurethane protective film as claimed in claim 6, wherein the high-viscosity polyurethane protective film comprises the following components in percentage by weight: a synchronous belt (18) is arranged between the output ends of the brake shaft (21) and the servo drive motor (17), and two ends of the synchronous belt (18) are movably connected with belt pulleys on the output ends of the brake shaft (21) and the servo drive motor (17) respectively.
8. The preparation and application of a high-viscosity polyurethane protective film as claimed in claim 1, wherein the protective film is prepared from the following components in percentage by weight: all be provided with guide rail (4) on the both sides outer wall of cutting frame (2), and guide rail (4) and cutting frame (2) integrated into one piece set up, the both ends of activity platform (6) all are provided with movable slip table (5), and activity platform (6) are through movable slip table (5) and guide rail (4) swing joint.
9. The preparation and application of a high-viscosity polyurethane protective film as claimed in claim 1, wherein the protective film is prepared from the following components in percentage by weight: both ends of the cutting frame (2) are provided with a through groove (3) for passing in and out, the through groove (3) for passing in and out and the cutting frame (2) are integrally formed, a separation groove (10) is arranged inside the cutting frame (2), the separation groove (10) and the cutting frame (2) are integrally formed, and two polyurethane films (11) are separated and displayed through the separation groove (10).
10. The preparation and application of a high-viscosity polyurethane protective film as claimed in claim 1, wherein the protective film is prepared from the following components in percentage by weight: an equipment power box (9) is arranged on the outer wall of one side of the equipment machine table (1), and the equipment power box (9) is electrically connected with the non-contact cutting equipment.
Priority Applications (1)
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CN111230934A (en) * | 2020-01-20 | 2020-06-05 | 张东亚 | Screen protection film cutting method and cutting device |
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CN111230934A (en) * | 2020-01-20 | 2020-06-05 | 张东亚 | Screen protection film cutting method and cutting device |
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