CN113334721A - Online one-time embossing method for decorative film - Google Patents
Online one-time embossing method for decorative film Download PDFInfo
- Publication number
- CN113334721A CN113334721A CN202110603873.1A CN202110603873A CN113334721A CN 113334721 A CN113334721 A CN 113334721A CN 202110603873 A CN202110603873 A CN 202110603873A CN 113334721 A CN113334721 A CN 113334721A
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- Prior art keywords
- cooling
- roller
- embossing
- decorative film
- embossing roller
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- 238000004049 embossing Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 66
- 238000007493 shaping process Methods 0.000 claims abstract description 12
- 238000007639 printing Methods 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 229910001868 water Inorganic materials 0.000 claims description 19
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 12
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 12
- 239000002826 coolant Substances 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 7
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 230000000844 anti-bacterial effect Effects 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000003899 bactericide agent Substances 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 235000010344 sodium nitrate Nutrition 0.000 claims description 6
- 239000004317 sodium nitrate Substances 0.000 claims description 6
- 235000010288 sodium nitrite Nutrition 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 13
- 238000013016 damping Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000009418 renovation Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/002—Combinations of extrusion moulding with other shaping operations combined with surface shaping
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
- B29C59/043—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts for profiled articles
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1616—Cooling using liquids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention relates to the technical field of decorative film processing, and discloses an online one-time embossing method for a decorative film, which comprises the following steps: s1: installing an embossing roller, clamping a connecting shaft at one end of the embossing roller with the positioning groove, clamping an inserting rod with a groove at the end part of the embossing roller, and installing the embossing roller on the upper side of the base; s2: adjusting the pressure, namely adjusting the distance between the embossing roller and the cooling roller according to the thickness of the decorative film; s3: extrusion molding, namely extruding the cooling roller upwards through the elasticity of the sleeve spring to print the decorative film; s4: cooling and shaping, namely cooling and cooling the decorative film while extruding and printing to rapidly shape; carry out the roll impressed watermark to the decorating film through the design of embossing roller and chill roll, can improve production rate, and the pressure when being convenient for control the impressed watermark, through the surface temperature of control chill roll, can cool off the design of finalizing the design of drawing a grain when carrying out the impressed watermark shaping to the decorating film, improved the impressed watermark quality of decorating film.
Description
The technical field is as follows:
the invention relates to the technical field of decorative film processing, in particular to an online one-time embossing method for a decorative film.
Background art:
the decorative film can give a brand-new and unique appearance to the building, the cost of which is only a small part of the cost of other renovation and renovation, and the decorative film does not cause inconvenience of indoor personnel in moving. The deep dyeing film and the semi-reflection or total reflection film have rich and complete colors and patterns, and provide wide conception space for architects to design. The decorative film is comfortable and pleasant when viewed from inside to outside, blocks strong light and has no scene deformation; the appearance of the decorative film is consistent when viewed from outside to inside, thereby adding aesthetic feeling to the building; a translucent or daylight single see-through film attached to the inside of the glazing allows light to penetrate but shields the eyes of others looking into the glazing. In addition, the decorative film is a full black film and a new series of frosted decorative films used for inner partition to generate a delicate effect, the variety of the decorative films is various, and the production method is also five-flower eight-door.
The existing decorative film is mostly pressed in a plane manner when being embossed, namely, the decorative film is tiled on the upper side of a cold plate and is embossed by driving patterns to be pressed downwards, the method has low production rate and affects the production and processing efficiency, and meanwhile, most devices matched with the method have complex structures; a few decorative films adopt a rolling embossing method, but the temperature of cooling water in a cooling roller rises after the cooling water is used for a long time, so that the cooling effect is influenced, the shaping effect of the decorative films is poor, meanwhile, microorganisms easily cause the cooling water to deteriorate, and the decorative films need to be regularly cleaned and replaced, so that the decorative films are troublesome to use.
The invention content is as follows:
in view of the problems in the prior art, the invention aims to provide an online one-time embossing method for a decorative film.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: an online one-time embossing method for a decorative film comprises the following steps:
s1: installing an embossing roller, pushing a fastening block to the direction close to a rotary table, clamping a connecting shaft at one end of the embossing roller with a positioning groove, clamping an inserted bar with a groove at the end part of the embossing roller, sleeving the connecting shaft at the other end of the embossing roller with an inner ring of a bearing under the action of the elasticity of a pressure spring, and installing the embossing roller on the upper side of a base;
s2: adjusting pressure, rotating the long shaft to drive the first bevel gear to rotate, meshing and driving the second bevel gear, rotating the threaded rod to drive the moving block to move, and adjusting the distance between the embossing roller and the cooling roller according to the thickness of the decorative film;
s3: extrusion molding, namely passing the decorative film extruded from the hot melting machine head through a gap between an embossing roller and a cooling roller, extruding the cooling roller upwards through the elasticity of a sleeve spring, and printing the decorative film through the patterns on the surface of the embossing roller;
s4: and cooling and shaping, namely passing the decorative film from the upper part of the cooling roller, conveying a cooling medium in the water tank to the inside of the cooling roller through a circulating water pump while extruding and printing, cooling the decorative film, and rapidly shaping.
Preferably, the cooling and setting temperature in the step S4 is controlled to be between 40 and 50 ℃.
Preferably, the cooling medium comprises the following components in percentage by weight: 20-30 parts of sodium nitrate, 10-20 parts of sodium nitrite, 5-10 parts of polyvinyl alcohol, 30-40 parts of polyethylene glycol, 4-6 parts of defoaming agent, 3-5 parts of bactericide and the balance of water.
Preferably, the embossing pressure between the embossing roller and the cooling roller is 30-50N.
Preferably, the online one-time embossing method for the decorative film adopts an embossing device which comprises a base, wherein bases are fixedly arranged at two ends of the upper side of the base, and an embossing roller and a cooling roller are rotatably arranged between the two groups of bases;
the lifting device comprises a damping block and a moving block, a sliding groove is formed in the bottom of one side, opposite to the base, of the base, the damping block and the moving block are connected in the sliding groove in a sliding mode, an upper clamping groove is formed in the bottom side of the damping block, a lower clamping groove is formed in the upper side of the moving block, guide rods are clamped in the upper clamping groove and the lower clamping groove, sleeve springs are sleeved on the outer sides of the guide rods, a threaded rod is connected to the bottom of the moving block in a threaded mode, the bottom end of the threaded rod penetrates through the sliding groove and the connecting grooves to be rotatably connected with the base, short shafts are fixedly installed at two ends of the cooling roller, and the short shafts are rotatably connected with the damping block;
rotating device, rotating device includes transmission shaft, carousel and fastening block, transmission shaft one end fixed mounting has the second band pulley, inside the transmission shaft other end runs through the through-hole and extends to the mounting groove, and fixed mounting has the carousel, transmission shaft one side fixed mounting is kept away from to the carousel has the sleeve, the inside trepanning that is equipped with of sleeve, the inside sliding connection of trepanning has the guide arm, guide arm one end and fastening block fixed connection, the guide arm other end and trepanning bottom fixedly connected with pressure spring, the equal fixed mounting in embossing roller both ends has the connecting axle, connecting axle and constant head tank joint, fastening block one side fixed mounting has a plurality of groups inserted bar, the inserted bar keeps away from fastening block one end with the recess joint of embossing roller tip the rotation is connected between connecting axle and the base.
Preferably, the base middle part is equipped with the turn trough, the turn trough internal rotation is connected with the major axis, the major axis both ends extend to the inside fixed mounting of spread groove has first bevel gear, threaded rod bottom end fixed mounting has the second bevel gear, the second bevel gear is connected with first bevel gear meshing, turn trough middle part both sides are equipped with perpendicular groove, major axis middle part fixed mounting has the gear wheel, base upside fixed mounting has the second motor, the output shaft fixed mounting of second motor has the pinion, the pinion is connected with the gear wheel meshing.
Preferably, an extending plate is fixedly mounted at one end of the base, a first motor is fixedly mounted on the upper side of the extending plate, a first belt wheel is fixedly mounted on an output shaft of the first motor, and the first belt wheel is in transmission connection with the second belt wheel through a belt.
Preferably, one group of the base is fixedly provided with a limiting ring at one side close to the embossing roller, an arc-shaped groove is formed at one side of the limiting ring close to the embossing roller, a ball is arranged in the arc-shaped groove in a rolling manner, and the ball is in rolling contact with the end face of the embossing roller.
Preferably, a bearing is arranged inside the limit ring, and the outer wall of the bearing is fixedly connected with the inner wall of the limit ring.
Preferably, the cooling roller is hollow and filled with a cooling medium, and the outer layer of the cooling roller is electroplated with a silver layer.
Compared with the prior art, the invention has the beneficial effects that:
according to the embossing device, the embossing roller and the cooling roller are designed to roll and emboss the decorative film, so that the production rate can be improved, the pressure during embossing is convenient to control, the decorative film can be cooled and shaped while being embossed and molded by controlling the surface temperature of the cooling roller, the embossing quality of the decorative film is improved, a cooling solvent in the cooling roller consists of water, sodium nitrate, sodium nitrite, polyvinyl alcohol, polyethylene glycol, a defoaming agent and a bactericide, the cooling solvent can be ensured to have good specific heat capacity, and meanwhile, the anti-corrosion and sterilization effects are achieved, so that the water is not deteriorated, and the cooling solvent is not required to be replaced.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of the mounting positions of an embossing roll and a cooling roll in the present invention;
FIG. 3 is a schematic view of the internal structure of the water tank of the present invention;
FIG. 4 is a schematic view of the internal structure of the mounting groove of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4A according to the present invention;
FIG. 6 is a schematic side view of a stop collar of the present invention;
wherein: 1. a base; 101. rotating the groove; 102. a vertical slot; 103. connecting grooves; 2. a base; 201. a chute; 202. mounting grooves; 203. a through hole; 3. an embossing roller; 4. a cooling roll; 5. an overhang plate; 6. a first motor; 7. a first pulley; 8. a belt; 9. a drive shaft; 10. a second pulley; 11. a turntable; 12. A sleeve; 1201. sleeving a groove; 13. a guide bar; 14. a pressure spring; 15. a fastening block; 1501. positioning a groove; 1502. A water tank; 16. a connecting shaft; 17. inserting a rod; 18. a water pipe; 19. a refrigerator; 20. a water circulating pump; 21. a limiting ring; 2101. an arc-shaped slot; 22. a bearing; 23. a ball bearing; 24. a second motor; 25. a pinion gear; 26. a long axis; 27. a bull gear; 28. a first bevel gear; 29. a threaded rod; 30. a second bevel gear; 31. a damper block; 3101. an upper clamping groove; 32. a moving block; 3201. a lower clamping groove; 33. a guide bar; 34. a spring sleeve; 35. a minor axis; 36. a cooling medium.
The specific implementation mode is as follows:
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Example 1:
as shown in fig. 1; an online one-time embossing method for a decorative film comprises the following steps:
s1: installing an embossing roller, pushing a fastening block to the direction close to a rotary table, clamping a connecting shaft at one end of the embossing roller with a positioning groove, clamping an inserted bar with a groove at the end part of the embossing roller, sleeving the connecting shaft at the other end of the embossing roller with an inner ring of a bearing under the action of the elasticity of a pressure spring, and installing the embossing roller on the upper side of a base;
s2: adjusting pressure, rotating the long shaft to drive the first bevel gear to rotate, meshing and driving the second bevel gear, rotating the threaded rod to drive the moving block to move, and adjusting the distance between the embossing roller and the cooling roller according to the thickness of the decorative film;
s3: extrusion molding, namely passing the decorative film extruded from the hot melting machine head through a gap between an embossing roller and a cooling roller, extruding the cooling roller upwards through the elasticity of a sleeve spring, and printing the decorative film through the patterns on the surface of the embossing roller;
s4: and cooling and shaping, namely passing the decorative film from the upper part of the cooling roller, conveying a cooling medium in the water tank to the inside of the cooling roller through a circulating water pump while extruding and printing, cooling the decorative film, and rapidly shaping.
The cooling and setting temperature in the step S4 is controlled to be 45 ℃.
The cooling medium comprises the following components in percentage by weight: 25 parts of sodium nitrate, 15 parts of sodium nitrite, 7 parts of polyvinyl alcohol, 34 parts of polyethylene glycol, 4 parts of a defoaming agent, 4 parts of a bactericide and the balance of water.
The embossing pressure between the embossing roll and the cooling roll was 35N.
Specifically, the cooling and setting temperature is controlled to be 40-50 ℃, the embossing pressure between the embossing roller and the cooling roller is 35N, 25 parts of sodium nitrate, 15 parts of sodium nitrite, 7 parts of polyvinyl alcohol, 34 parts of polyethylene glycol, 4 parts of defoaming agent and 4 parts of bactericide are added into water, the cooling solvent can be ensured to have good specific heat capacity, the anticorrosion and sterilization effects are achieved, and the trouble of replacing the cooling solvent is avoided.
Example 2:
as shown in fig. 1; an online one-time embossing method for a decorative film comprises the following steps:
s1: installing an embossing roller, pushing a fastening block to the direction close to a rotary table, clamping a connecting shaft at one end of the embossing roller with a positioning groove, clamping an inserted bar with a groove at the end part of the embossing roller, sleeving the connecting shaft at the other end of the embossing roller with an inner ring of a bearing under the action of the elasticity of a pressure spring, and installing the embossing roller on the upper side of a base;
s2: adjusting pressure, rotating the long shaft to drive the first bevel gear to rotate, meshing and driving the second bevel gear, rotating the threaded rod to drive the moving block to move, and adjusting the distance between the embossing roller and the cooling roller according to the thickness of the decorative film;
s3: extrusion molding, namely passing the decorative film extruded from the hot melting machine head through a gap between an embossing roller and a cooling roller, extruding the cooling roller upwards through the elasticity of a sleeve spring, and printing the decorative film through the patterns on the surface of the embossing roller;
s4: and cooling and shaping, namely passing the decorative film from the upper part of the cooling roller, conveying a cooling medium in the water tank to the inside of the cooling roller through a circulating water pump while extruding and printing, cooling the decorative film, and rapidly shaping.
The cooling and setting temperature in the step S4 is controlled to be 50 ℃.
The cooling medium comprises the following components in percentage by weight: 30 parts of sodium nitrate, 20 parts of sodium nitrite, 10 parts of polyvinyl alcohol, 40 parts of polyethylene glycol, 6 parts of defoaming agent, 5 parts of bactericide and the balance of water.
The embossing pressure between the embossing roll and the cooling roll was 45N.
Example 3:
as shown in fig. 2-6, the online one-time embossing method for the decorative film adopts an embossing device, the embossing device comprises a base 1, bases 2 are fixedly installed at both ends of the upper side of the base 1, and an embossing roller 3 and a cooling roller 4 are rotatably arranged between the two groups of bases 2;
the lifting device comprises a damping block 31 and a moving block 32, a sliding groove 201 is formed in the bottom of one side, opposite to the base 2, of the base, the damping block 31 and the moving block 32 are connected in the sliding groove 201 in a sliding mode, an upper clamping groove 3101 is formed in the bottom side of the damping block 31, a lower clamping groove 3201 is formed in the upper side of the moving block 32, a guide rod 33 is clamped in the upper clamping groove 3101 and the lower clamping groove 3201, a sleeve spring 34 is sleeved on the outer side of the guide rod 33, a threaded rod 29 is connected to the bottom of the moving block 32 through threads, the bottom end of the threaded rod 29 penetrates through the sliding groove 201 and the connecting groove 103 to be rotatably connected with the base 1, short shafts 35 are fixedly mounted at two ends of the cooling roller 4, and the short shafts 35 are rotatably connected with the damping block 31;
a rotating groove 101 is formed in the middle of the base 1, a long shaft 26 is rotatably connected in the rotating groove 101, two ends of the long shaft 26 extend into a connecting groove 103 and are fixedly provided with a first bevel gear 28, a second bevel gear 30 is fixedly arranged at the bottom end of the threaded rod 29, the second bevel gear 30 is meshed with the first bevel gear 28, vertical grooves 102 are formed in two sides of the middle of the rotating groove 101, a large gear 27 is fixedly arranged in the middle of the long shaft 26, a second motor 24 is fixedly arranged on the upper side of the base 1, a small gear 25 is fixedly arranged on an output shaft of the second motor 24, and the small gear 25 is meshed with the large gear 27;
specifically, the second motor 24 drives the pinion 25 to rotate, and then the meshing transmission drives the large gear 27 to rotate, so that the long shaft 26 drives the first bevel gears 28 at two ends to rotate, and then the meshing transmission second bevel gear 30 drives the threaded rod 29 to rotate, and the moving block 32 can be controlled to move up and down, so that the distance between the embossing roller 3 and the cooling roller 4 can be adjusted, the processing requirements of decorative films with different thicknesses can be met, and meanwhile, the damping block 31, the moving block 32, the guide rod 33 and the sleeve spring 34 are matched to play a role in buffering in the embossing process, and the pattern forming quality can be improved;
the rotating device comprises a transmission shaft 9, a rotating disc 11 and a fastening block 15, wherein a second belt wheel 10 is fixedly mounted at one end of the transmission shaft 9, the other end of the transmission shaft 9 penetrates through a through hole 203 and extends into an installation groove 202, the rotating disc 11 is fixedly mounted, a sleeve 12 is fixedly mounted on one side, far away from the transmission shaft 9, of the rotating disc 11, a sleeve groove 1201 is formed in the sleeve 12, a guide rod 13 is slidably connected into the sleeve groove 1201, one end of the guide rod 13 is fixedly connected with the fastening block 15, the other end of the guide rod 13 is fixedly connected with a pressure spring 14 at the bottom of the sleeve groove 1201, connecting shafts 16 are fixedly mounted at two ends of the embossing roller 3, the connecting shafts 16 are clamped with the positioning grooves 1501, a plurality of groups of inserting rods 17 are fixedly mounted at one side of the fastening block 15, and the inserting rods 17 are clamped with grooves at the end of the embossing roller 3;
through sleeve 12, guide arm 13, the cooperation between the pressure spring 14, be convenient for control the horizontal migration of holding block 15 in mounting groove 202, tentatively fix a position embossing roller 3 through connecting axle 16 and constant head tank 1501 joint, make embossing roller 3 can follow holding block 15 synchronous revolution through the recess cooperation of inserted bar 17 and embossing roller 3 tip, convenient to detach conveniently changes embossing roller 3, effectively improves impressed watermark shaping process rate.
The end far away from the fastening block 15 is rotatably connected between the connecting shaft 16 and the base 2, so that the friction force is reduced, and the conveying speed of the decorative film is improved.
Specifically, when the embossing roller 3 is replaced, the embossing roller 3 is pushed leftwards, the fastening block 15 is moved leftwards, the connecting shaft 16 at the right end of the embossing roller 3 is separated from the limiting ring 21, the embossing roller 3 can be pulled rightwards, a new embossing roller 3 is replaced, the disassembly and replacement speed is improved, and the machining efficiency is further improved.
An extending plate 5 is fixedly mounted at one end of the base 1, a first motor 6 is fixedly mounted on the upper side of the extending plate 5, a first belt pulley 7 is fixedly mounted on an output shaft of the first motor 6, and the first belt pulley 7 is in transmission connection with a second belt pulley 10 through a belt 8.
Specifically, drive first band pulley 7 through first motor 6 and rotate, drive second band pulley 10 rotatory under the transmission of belt 8 to drive carousel 11 and rotate, drive embossing roller 3 rotary work through sleeve 12, guide arm 13, fastening block 15, connecting axle 16 and the cooperation of inserted bar 17, the drive is stable, and structural connection stability is stronger.
One side of one group of the base 2 close to the embossing roller 3 is fixedly provided with a limiting ring 21, one side of the limiting ring 21 close to the embossing roller 3 is provided with an arc-shaped groove 2101, a ball 23 is arranged in the arc-shaped groove 2101 in a rolling manner, and the ball 23 is in rolling contact with the end face of the embossing roller 3.
The inside bearing 22 that is equipped with of spacing ring 21, bearing 22 outer wall and spacing ring 21 inner wall fixed connection.
Specifically, the balls 23 are in rolling contact with the end faces of the embossing rollers 3, so that friction force is reduced, the design of the bearings 22 further reduces the friction force, the rotating stability of the embossing rollers 3 is improved, energy is saved, and sustainable development and observation are compounded.
The cooling roller 4 is hollow and filled with cooling media 36, and the silver layer is electroplated on the outer layer of the cooling roller 4, so that the heat conduction performance is good, the cooling rate is further improved, and the embossing effect is optimized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. An online one-time embossing method for a decorative film is characterized by comprising the following steps: the method comprises the following steps:
s1: installing an embossing roller, pushing a fastening block to the direction close to a rotary table, clamping a connecting shaft at one end of the embossing roller with a positioning groove, clamping an inserted bar with a groove at the end part of the embossing roller, sleeving the connecting shaft at the other end of the embossing roller with an inner ring of a bearing under the action of the elasticity of a pressure spring, and installing the embossing roller on the upper side of a base;
s2: adjusting pressure, rotating the long shaft to drive the first bevel gear to rotate, meshing and driving the second bevel gear, rotating the threaded rod to drive the moving block to move, and adjusting the distance between the embossing roller and the cooling roller according to the thickness of the decorative film;
s3: extrusion molding, namely passing the decorative film extruded from the hot melting machine head through a gap between an embossing roller and a cooling roller, extruding the cooling roller upwards through the elasticity of a sleeve spring, and printing the decorative film through the patterns on the surface of the embossing roller;
s4: and cooling and shaping, namely passing the decorative film from the upper part of the cooling roller, conveying a cooling medium in the water tank to the inside of the cooling roller through a circulating water pump while extruding and printing, cooling the decorative film, and rapidly shaping.
2. The on-line one-time embossing method for the decorative film according to claim 1, wherein: and the cooling and setting temperature in the step S4 is controlled to be between 40 and 50 ℃.
3. The on-line one-time embossing method for the decorative film according to claim 1, wherein: the cooling medium comprises the following components in percentage by weight: 20-30 parts of sodium nitrate, 10-20 parts of sodium nitrite, 5-10 parts of polyvinyl alcohol, 30-40 parts of polyethylene glycol, 4-6 parts of defoaming agent, 3-5 parts of bactericide and the balance of water.
4. The on-line one-time embossing method for the decorative film according to claim 1, wherein: and the embossing pressure between the embossing roller and the cooling roller is 30-50N.
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