CN110746861A - Anti-scalding oil, preparation method thereof and ink-jet gold stamping system applying anti-scalding oil - Google Patents
Anti-scalding oil, preparation method thereof and ink-jet gold stamping system applying anti-scalding oil Download PDFInfo
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- CN110746861A CN110746861A CN201910989228.0A CN201910989228A CN110746861A CN 110746861 A CN110746861 A CN 110746861A CN 201910989228 A CN201910989228 A CN 201910989228A CN 110746861 A CN110746861 A CN 110746861A
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
- B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
- B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention relates to the technical field of printing, and discloses a heat-resistant oil and a preparation method thereof, which comprises the steps of premixing 5-10 parts by mass of modified epoxy resin, 5-10 parts by mass of high-functional group polyurethane resin and 70-95 parts by mass of active diluent, and adding the premixed mixture into a high-speed dispersion machine to stir and disperse for 30-40 min at the rotating speed of 1200-1500 rpm; and taking out the mixture, adding the mixture and 5-20 parts by mass of photoinitiator into a closed dispersing and emulsifying machine, emulsifying, dispersing and grinding for 1-1.5 h at 55-65 ℃, taking out and adding 2-5 parts by mass of wetting agent, uniformly stirring, cooling to room temperature to obtain the anti-ironing oil with the viscosity of 10-100 cps, wherein the anti-ironing oil is not softened at high temperature after being solidified and has high anti-blocking property on the surface, and the preparation method is simple to operate. The invention also discloses an ink-jet gold stamping system applying the anti-gold stamping oil, which can improve the positioning precision of ink-jet and gold stamping, and the non-gold stamping area can not be adhered with the aluminum foil layer of gold stamping paper, thereby ensuring the accuracy of gold stamping position.
Description
Technical Field
The invention relates to the technical field of printing, in particular to a hot stamping resistant oil, a preparation method thereof and an ink-jet hot stamping system using the hot stamping resistant oil.
Background
At present, the existing spray printing technology can only present colorful patterns when carrying out digital spray printing on packaging bags, paper, leather and various plates, and is difficult to make the patterns have metallic texture and brightness, and if the pressure roller is heated and pressurized when carrying out gold stamping treatment on the digital spray printed patterns, other areas which do not need gold stamping treatment can generate certain viscosity, so that the areas can make the aluminum foil layer of the gold stamping paper (namely, alumite) adhere to the areas, the actual transfer printing position of the gold stamping paper deviates from the preset position, and the presenting effect of finished products is poor.
Disclosure of Invention
The invention aims to solve the problem of providing the anti-ironing oil which does not soften at high temperature after being solidified and has high anti-blocking property on the surface, and the preparation method is simple to operate; the ink-jet gold stamping system applying the anti-gold stamping oil can improve the positioning precision of ink-jet and gold stamping, and the aluminum foil layer of gold stamping paper cannot be adhered to a non-gold stamping area, so that the accuracy of a gold stamping position is ensured.
In order to solve the technical problem, the invention provides a scalding-resistant oil which comprises, by mass, 5-10 parts of modified epoxy resin, 5-10 parts of high-functional polyurethane agglomerated resin, 70-95 parts of reactive diluent, 5-20 parts of photoinitiator and 2-5 parts of wetting agent.
As a preferable scheme of the anti-ironing oil, the modified epoxy resin is modified epoxy acrylate; the high-functional polyurethane resin is aliphatic polyurethane acrylate; the active diluent is benzyl methacrylate; the wetting agent is a polyacrylate wetting agent; the photoinitiator is one or more of 2, 2-dimethoxy-2-phenylacetophenone, 1-hydroxy-cyclohexanone, 2, 4, 6-trimethylbenzoyl-diphenylphosphine oxide and 2, 4, 6-trimethylbenzoyl-phenylphosphine oxide.
According to the preferable scheme of the oil for preventing scalding, the photoinitiator comprises, by mass, 5-10 parts of 2.4.6-trimethylbenzoyl-diphenylphosphine oxide, 1-5 parts of 2.2-dimethoxy-2-phenylacetophenone, 1-5 parts of 1-hydroxy-cyclohexylbenzophenone and 1-5 parts of 2.4.6-trimethylbenzoyl-phenylphosphine oxide.
The invention also provides a preparation method of the anti-scalding oil, which comprises the following steps:
step one, premixing 5-10 parts by mass of modified epoxy resin, 5-10 parts by mass of high-functional group polyurethane resin and 70-95 parts by mass of reactive diluent;
step two, adding the mixture premixed in the step one into a high-speed dispersion machine, stirring and dispersing at the rotating speed of 1200-1500 rpm for 30-40 min;
and step three, adding the mixture obtained after stirring and dispersing in the step two and 5-20 parts by mass of photoinitiator into a closed dispersing and emulsifying machine, emulsifying, dispersing and grinding at the constant temperature of 55-65 ℃, taking out and adding 2-5 parts by mass of wetting agent after dispersing and emulsifying for 1-1.5 h, uniformly stirring, and cooling to room temperature to obtain the anti-ironing oil with the viscosity of 10-100 cps at 25 ℃.
In addition, the invention also provides an ink-jet gold stamping system which adopts the anti-gold stamping oil to perform ink-jet and gold stamping.
The ink-jet gold stamping system comprises a rack, a working platform, an ink-jet mechanism, a longitudinal moving mechanism, a transverse moving mechanism, a vertical moving mechanism, an ink-jet vertical moving mechanism and a UV curing mechanism, wherein the working platform is arranged on the top surface of the rack, and the UV curing mechanism is arranged on the rack;
the longitudinal moving mechanism is connected to the rack, the transverse moving mechanism is connected to the longitudinal moving mechanism, the vertical moving mechanism is connected to the longitudinal moving mechanism, and the longitudinal moving mechanism drives the transverse moving mechanism and the vertical moving mechanism to move back and forth along the length direction of the rack; the ink-jet vertical moving mechanism is connected to the transverse moving mechanism, the transverse moving mechanism drives the ink-jet vertical moving mechanism to move left and right along the width direction of the rack, the ink-jet mechanism is connected to the ink-jet vertical moving mechanism, and the ink-jet vertical moving mechanism drives the ink-jet mechanism to move up and down along the height direction of the rack; the gold stamping mechanism is connected with the vertical moving mechanism, and the vertical moving mechanism drives the gold stamping mechanism to move up and down along the height direction of the rack;
the hot stamping oil spraying mechanism is characterized in that a hot stamping base oil spraying head, a hot stamping oil resisting spraying head and a plurality of UV printing ink spraying heads are arranged on the ink spraying mechanism, a hot stamping base oil storage cavity for storing hot stamping base oil is arranged on the hot stamping base oil spraying head, UV printing ink storage cavities for storing UV printing ink are arranged on the UV printing ink spraying heads, the colors of the UV printing ink stored in each UV printing ink storage cavity are different, a hot stamping resisting oil storage cavity for storing hot stamping resisting oil is arranged on the hot stamping resisting spraying head, and the components and the mass parts of the hot stamping resisting oil comprise 5-10 parts of modified epoxy resin, 5-10 parts of high-functional polyurethane resin, 70-95 parts of reactive diluent, 5-20 parts of photoinitiator and 2-5 parts of wetting agent;
the gold stamping mechanism comprises a gold stamping frame, a heating pressure roller, a gold stamping coil assembly and a gold stamping transmission assembly, wherein the heating pressure roller, the gold stamping coil assembly and the gold stamping transmission assembly are all arranged on the gold stamping frame, and the gold stamping transmission assembly drives the gold stamping coil assembly to receive and release gold stamping paper.
As a preferable scheme of the inkjet gold stamping system, the gold stamping coil assembly comprises a receiving roller and an emptying roller, wherein the receiving roller and the emptying roller are respectively positioned on two sides of the heating and pressing roller; the gold stamping transmission assembly comprises a first motor, a driving chain wheel, a first driven chain wheel, a second driven chain wheel, a tensioning chain wheel and a chain, the driving chain wheel is connected with an output shaft of the first motor, the first driven chain wheel is connected with the discharging roller, the second driven chain wheel is connected with the collecting roller, the tensioning chain wheel is located between the first driven chain wheel and the second driven chain wheel, and the driving chain wheel is connected with the first driven chain wheel, the tensioning chain wheel and the second driven chain wheel through the chain.
As a preferable scheme of the ink-jet gold stamping system, the longitudinal moving mechanism includes a longitudinal guide rail, a longitudinal moving bracket, a second motor, a first ball screw pair and a first transmission belt, the longitudinal guide rail is provided with two longitudinal guide rails which are respectively arranged at the left side and the right side of the rack, the longitudinal guide rail is arranged on the rack along the length direction of the rack, both sides of the longitudinal moving bracket are provided with first guide grooves which are in sliding fit with the longitudinal guide rail, the first ball screw pair is provided with two longitudinal guide rails which are respectively arranged at the left side and the right side of the rack, the first ball screw pair includes a first screw and a first nut which is matched with the first screw, the two first nuts are respectively connected with the longitudinal moving bracket, the second motor is arranged on the rack, an output shaft of the second motor is provided with a first transmission belt pulley, the left side and the right side of the first transmission belt wheel are respectively provided with a tensioning belt wheel, one end of each of the two first screw rods is provided with a second transmission belt wheel, the other end of each first screw rod is connected with the rack through a rolling bearing, and the first transmission belt wheel is connected with the tensioning belt wheel and the second transmission belt wheel through the transmission belt;
the transverse moving mechanism comprises a transverse support, a transverse moving support, a transverse guide rail, a third driving belt wheel, a fourth driving belt wheel, a fifth driving belt wheel, a sixth driving belt wheel, a second driving belt, a third driving belt and a third motor, the transverse support is arranged on the longitudinal moving support, the transverse guide rail is arranged on the transverse support along the width direction of the rack, the transverse moving support is provided with a second guide groove in sliding fit with the transverse guide rail, the third driving belt wheel is connected with an output shaft of the third motor, the fourth driving belt wheel is connected with the third driving belt wheel through the second driving belt, the fourth driving belt wheel is coaxially connected with the fifth driving belt wheel, the fifth driving belt wheel is connected with the sixth driving belt wheel through the third driving belt, and the fifth driving belt wheel and the sixth driving belt wheel are respectively arranged at the left end and the right end of the transverse support, the transverse moving support is connected with the third transmission belt, and the ink-jet vertical moving mechanism is connected to the transverse moving support;
the ink-jet vertical moving mechanism comprises a fourth motor and a second ball screw pair, the fourth motor is fixedly arranged on the transverse moving support, an output shaft of the fourth motor is connected with one end of a second screw of the second ball screw pair, the other end of the second screw is connected with the transverse moving support through a rolling bearing, a second nut of the second ball screw pair is in threaded connection with the second screw, the ink-jet mechanism is connected with the second nut, the transverse moving support is provided with a vertical sliding guide rail arranged along the height direction of the rack, and the ink-jet mechanism is provided with a third guide groove in sliding fit with the vertical sliding guide rail;
the vertical moving mechanism comprises vertical supports, two double-shaft motors and transmission assemblies, the two vertical supports are respectively and fixedly arranged on the left side and the right side of the longitudinal moving support, the double-shaft motors are arranged on the rack and connected with the longitudinal moving support, the left side and the right side of each double-shaft motor are respectively provided with an output rotating shaft, the output rotating shaft of each double-shaft motor is connected with one transmission assembly, each transmission assembly comprises a transmission shaft, a worm wheel, a third screw rod, a first thrust ball bearing and a second thrust ball bearing, one end of the worm is connected with the output rotating shaft through the transmission shaft, the other end of the worm is connected with the vertical supports through rolling bearings, the worm wheel is meshed with the worm, an internal thread in threaded fit with the third screw rod is arranged in the worm wheel, one end of the third screw rod is connected with the gold stamping frame, the other end of the third lead screw is in sliding fit with the vertical support, the upper end face of the worm wheel is connected with the vertical support through the first thrust ball bearing, the lower end face of the worm wheel is connected with the vertical support through the second thrust ball bearing, the lower end of the gold stamping frame is provided with a guide post, and the vertical support is provided with a guide groove in sliding fit with the guide post.
As a preferable scheme of the inkjet gold stamping system, the working platform is a vacuum adsorption working platform.
As a preferable scheme of the inkjet gold stamping system, the surface of the heating and pressing roller is coated with a heat-resistant silica gel layer.
Compared with the prior art, the hot stamping resistant oil, the preparation method thereof and the ink-jet hot stamping system using the hot stamping resistant oil have the following beneficial effects:
the hot oil blocking agent has good oil leveling property and adhesion, is not softened at high temperature after being cured, and has high surface adhesion resistance, good chemical resistance and good wear resistance; the preparation method of the anti-scalding oil is simple to operate and short in time consumption; in addition, the ink-jet gold stamping system adopts the anti-gold stamping oil to perform ink-jet and gold stamping, so that the area sprayed and printed with the anti-gold stamping oil is not adhered by the aluminum foil layer of the gold stamping paper, and the accuracy of the spraying and printing and gold stamping positions is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a perspective view of an inkjet gold stamping system provided by the invention;
FIG. 2 is a perspective view of the inkjet bronzing system of FIG. 1 from another perspective;
in the figure, 1 is a frame; 2 is a working platform; 31 is a longitudinal guide rail; 32 is a longitudinal moving support; 33 is a second motor; 34 is a first screw rod; 35 is a first drive belt; 36 is a first driving pulley; 37 is a tension belt wheel; 38 is a second drive pulley; 41 is a transverse bracket; 42 is a transverse moving bracket; 43 is a transverse guide rail; 44 is a third driving pulley; 45 is a fourth driving pulley; 46 is a fifth driving pulley; 47 is a second transmission belt; 48 is a third transmission belt; 49 is a third motor; a fourth motor 51; 61 is a double-shaft motor; 62 is a transmission shaft; 63 is a worm; 64 is a worm gear; 65 is a third screw rod; 66 is a vertical bracket; 71 is a gold stamping frame; 72 is a heating nip roll; 73 is a receiving roller; 74 is a discharge roller; 75 is a first motor; 76 is a first driven sprocket; 77 is a tension sprocket; 78 is a second driven sprocket; 79 is a chain; 70 is a tensioning guide roller; and 8, an ink jet mechanism.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The preferred embodiment of the anti-ironing oil provided by the invention comprises, by mass, 5-10 parts of modified epoxy resin, 5-10 parts of high-functional polyurethane agglomerated resin, 70-95 parts of reactive diluent, 5-20 parts of photoinitiator and 2-5 parts of wetting agent;
the modified epoxy resin is modified epoxy acrylate, the glass transition temperature (Tg value) of the modified epoxy acrylate is 110-120 ℃, wherein the modified epoxy acrylate preferably adopts 6233-1 series products of Taiwan Changxing chemical Co., Ltd, can improve the reaction crosslinking density and high anti-sticking property of the hot oil, can ensure that the hot oil has good smoothness and good adhesive force (before being cured), and can ensure that the cured hot oil cannot be softened at high temperature due to high glass transition temperature;
the high-functional agglomerated urethane resin is aliphatic urethane acrylate, the Tg value of the aliphatic urethane acrylate is 160-170 ℃, the aliphatic urethane acrylate preferably adopts DR-U202 resin series products of Taiwan Changxing chemical Co., Ltd, the aliphatic urethane acrylate has good vibration performance, so that the leveling property of the anti-ironing oil is good, the hardness is high, the curing speed is high, the functional group content and the Tg value are high, the effect of not softening at high temperature is realized after the LED of the anti-ironing oil is crosslinked and cured, and the anti-blocking property, the chemical resistance and the wear-resistant brightness of the surface of the cured anti-ironing oil can be improved;
the active diluent is benzyl methacrylate; the benzyl methacrylate preferably adopts EM77BMA series products of Taiwan Changxing chemical industry Co., Ltd, has low viscosity, has the viscosity of 2-3 cps at 25 ℃, and can make the anti-ironing oil into ultra-low viscosity anti-ironing oil;
the wetting agent is a polyacrylate wetting agent, and the polyacrylate wetting agent is preferably a polyacrylate wetting agent of Germany Bick BYK company, so that the ironing resistant oil has good leveling property;
the photoinitiator is one or more of 2, 2-dimethoxy-2-phenylacetophenone, 1-hydroxy-cyclohexanone, 2, 4, 6-trimethylbenzoyl-diphenylphosphine oxide and 2, 4, 6-trimethylbenzoyl-phenylphosphine oxide; preferably, the photoinitiator comprises, by mass, 5-10 parts of 2.4.6-trimethylbenzoyl-diphenylphosphine oxide, 1-5 parts of 2.2-dimethoxy-2-phenylacetophenone, 1-5 parts of 1-hydroxy-cyclohexylbenzophenone and 1-5 parts of 2.4.6-trimethylbenzoyl-phenylphosphine oxide.
The invention also provides a preparation method of the anti-scalding oil based on the anti-scalding oil, which comprises the following steps:
step one, premixing 5-10 parts by mass of modified epoxy resin, 5-10 parts by mass of high-functional group polyurethane resin and 70-95 parts by mass of reactive diluent;
step two, adding the mixture premixed in the step one into a high-speed dispersion machine, stirring and dispersing at the rotating speed of 1200-1500 rpm for 30-40 min;
and step three, adding the mixture obtained after stirring and dispersing in the step two and 5-20 parts by mass of photoinitiator into a closed dispersing and emulsifying machine, emulsifying, dispersing and grinding at the constant temperature of 55-65 ℃, taking out and adding 2-5 parts by mass of wetting agent after dispersing and emulsifying for 1-1.5 h, uniformly stirring, and cooling to room temperature to obtain the anti-ironing oil with the viscosity of 10-100 cps at 25 ℃.
In conclusion, the hot oil blocking agent disclosed by the embodiment of the invention has good flatness and good adhesion, does not soften at high temperature after curing, and has high surface blocking resistance, good chemical resistance and good wear resistance; the preparation method of the anti-scalding oil is simple to operate and short in time consumption.
Referring to fig. 1 to 2, an embodiment of the present invention provides an inkjet gold stamping system, which uses the foregoing stamping oil to perform inkjet and gold stamping, and includes a rack 1, a working platform 2, an inkjet mechanism 8, a longitudinal moving mechanism, a transverse moving mechanism, a vertical moving mechanism, an inkjet vertical moving mechanism, and a UV curing mechanism, where the working platform 2 is disposed on a top surface of the rack 1, the UV curing mechanism is disposed on the rack 1, and curing light of the UV curing mechanism irradiates the working platform 2;
the longitudinal moving mechanism is connected to the rack 1, the transverse moving mechanism is connected to the longitudinal moving mechanism, the vertical moving mechanism is connected to the longitudinal moving mechanism, and the longitudinal moving mechanism drives the transverse moving mechanism and the vertical moving mechanism to move back and forth along the length direction of the rack 1; the ink-jet vertical moving mechanism is connected to the transverse moving mechanism, the transverse moving mechanism drives the ink-jet vertical moving mechanism to move left and right along the width direction of the rack 1, the ink-jet mechanism 8 is connected to the ink-jet vertical moving mechanism, and the ink-jet vertical moving mechanism drives the ink-jet mechanism 8 to move up and down along the height direction of the rack 1; the gold stamping mechanism is connected with the vertical moving mechanism, and the vertical moving mechanism drives the gold stamping mechanism to move up and down along the height direction of the rack 1;
the hot stamping oil spraying mechanism is characterized in that a hot stamping base oil spray head, a hot stamping oil resisting spray head and a plurality of UV (ultraviolet) ink spray heads are arranged on the ink jet mechanism 8, a hot stamping base oil storage cavity for storing hot stamping base oil is arranged on the hot stamping base oil spray head, UV ink storage cavities for storing UV ink are arranged on the UV ink spray heads, the colors of the UV ink stored in the UV ink storage cavities are different, a hot stamping oil resisting storage cavity for storing hot stamping resisting oil is arranged on the hot stamping oil resisting spray head, and the components and the parts by mass of the hot stamping resisting oil comprise 5-10 parts of modified epoxy resin, 5-10 parts of high-functional agglomerated polyurethane resin, 70-95 parts of reactive diluent, 5-20 parts of photoinitiator and 2-5 parts of wetting agent;
the gold stamping mechanism comprises a gold stamping frame 71, a heating pressure roller 72, a gold stamping coil assembly and a gold stamping transmission assembly, wherein the heating pressure roller 72, the gold stamping coil assembly and the gold stamping transmission assembly are all arranged on the gold stamping frame 71, the heating pressure roller 72 is rotatably connected to the gold stamping frame 71, the gold stamping transmission assembly drives the gold stamping coil assembly to receive and release gold stamping paper, and a heating rod is arranged in the heating pressure roller 72.
Illustratively, the gold stamping roll assembly comprises a receiving roller 73 and an emptying roller 74, and the receiving roller 73 and the emptying roller 74 are respectively positioned at two sides of the heating nip roller 72; the gold stamping transmission assembly comprises a first motor 75, a driving chain wheel, a first driven chain wheel 76, a second driven chain wheel 78, a tensioning chain wheel 77 and a chain 79, the driving chain wheel is connected with an output shaft of the first motor 75, the first driven chain wheel 76 is connected with the discharging roller 74, the second driven chain wheel 78 is connected with the collecting roller 73, the tensioning chain wheel is positioned between the first driven chain wheel and the second driven chain wheel, and the driving chain wheel is connected with the first driven chain wheel 76, the tensioning chain wheel 77 and the second driven chain wheel 78 through the chain 79; discharging the gold stamping paper through a discharging roller 74, so that the heating and pressing roller 72 transfers the aluminum foil layer on the gold stamping paper to a gold stamping area of a printing stock, and the used gold stamping paper is smoothly wound on a collecting roller 73; and the chain 79 is kept in a tensioned state by the tension sprocket 77, so that the normal operation of each sprocket is ensured. Wherein, gilt mechanism still includes two tensioning deflector rolls 70, two tensioning deflector roll 70 sets up respectively heating nip roll 72's both sides just are located receive material roller 73 and blowing roller 74's below, just tensioning deflector roll 70's lowest position is higher than heating nip roll 72's lowest position makes gilded paper remain the tensioning state all the time through tensioning deflector roll 70, guarantees to receive the material effectual with the blowing, and makes gilded in-process heating nip roll 72 better with the gilding region of gilding foil layer rendition to the stock on the gilding paper, guarantees gilding quality.
In this embodiment, the longitudinal moving mechanism includes a longitudinal guide rail 31, a longitudinal moving bracket 32, a second motor 33, a first ball screw pair and a first transmission belt 35, the longitudinal guide rail 31 is provided with two and respectively disposed at the left and right sides of the frame 1, the longitudinal guide rail 31 is disposed on the frame 1 along the length direction of the frame 1, both sides of the longitudinal moving bracket 32 are provided with first guide grooves slidably engaged with the longitudinal guide rail 31, the first ball screw pair is provided with two and respectively disposed at the left and right sides of the frame 1, the first ball screw pair includes a first screw 34 and a first nut engaged with the first screw 34, the two first nuts are respectively connected with the longitudinal moving bracket 32, the second motor 33 is mounted on the frame 1, an output shaft of the second motor 33 is provided with a first transmission belt pulley 36, the left side and the right side of the first transmission belt wheel 36 are respectively provided with a tensioning belt wheel 37, one end of each of the two first screw rods 34 is provided with a second transmission belt wheel 38, the other end of each of the first screw rods 34 is connected with the rack 1 through a rolling bearing, the first transmission belt wheel 36 is connected with the tensioning belt wheel 37 and the second transmission belt wheel 38 through the first transmission belt 35, the first transmission belt 35 is kept in a tensioning state through the tensioning belt wheel 37, and the first transmission belt wheel 36 better drives the second transmission belt wheels 38 on the left side and the right side of the rack 1; the first driving wheel is rotated by the second motor 33, the first driving wheel drives the second driving belt wheel 38 through the first driving belt 35 and the tensioning belt wheel 37, so that the first screw rod 34 is rotated, the first nut is moved along the length direction of the first screw rod 34, and the longitudinal moving support 32 fixed on the first nut is moved back and forth along the length direction of the rack 1;
the transverse moving mechanism comprises a transverse support 41, a transverse moving support 4, a transverse guide rail 43, a third driving belt wheel 44, a fourth driving belt wheel 45, a fifth driving belt wheel 46, a sixth driving belt wheel, a second driving belt 47, a third driving belt 48 and a third motor 49, the transverse support 41 is arranged on the longitudinal moving support 32, the transverse guide rail 43 is arranged on the transverse support 41 along the width direction of the machine frame 1, the transverse moving support 4 is provided with a second guide groove in sliding fit with the transverse guide rail 43, the third driving belt wheel 44 is connected with an output shaft of the third motor 49, the fourth driving belt wheel 45 is connected with the third driving belt wheel 44 through the second driving belt 47, the diameter of the third driving belt wheel 44 is smaller than that of the fourth driving belt wheel 45, so that speed reduction is realized, the fourth driving belt wheel 45 is coaxially connected with the fifth driving belt wheel 46, the fifth driving belt wheel 46 is connected with the sixth driving belt wheel through the third driving belt 48, the fifth driving belt wheel 46 and the sixth driving belt wheel are respectively arranged at the left end and the right end of the transverse support 41, the transverse moving support 4 is connected with the third driving belt 48, and the ink-jet vertical moving mechanism is connected on the transverse moving support 4 so as to enable the ink-jet vertical moving mechanism to move left and right along the width direction of the rack 1;
the ink-jet vertical moving mechanism comprises a fourth motor 51 and a second ball screw pair, the fourth motor 51 is fixedly arranged on the transverse moving support 4, an output shaft of the fourth motor 51 is connected with one end of a second screw of the second ball screw pair, the other end of the second screw is connected with the transverse moving support 4 through a rolling bearing, a second nut of the second ball screw pair is in threaded connection with the second screw, the ink-jet mechanism 8 is connected with the second nut, the transverse moving support 4 is provided with a vertical sliding guide rail arranged along the height direction of the rack 1, and the ink-jet mechanism 8 is provided with a third guide groove in sliding fit with the vertical sliding guide rail; the fourth motor 51 drives the second screw rod to rotate, so that the second nut moves along the length direction of the second screw rod, and the ink-jet mechanism 8 fixed on the second nut moves up and down along the height direction of the rack 1;
the vertical moving mechanism comprises vertical supports 66, a double-shaft motor 61 and transmission assemblies, the vertical supports 66 are provided with two groups and are fixedly arranged on the left side and the right side of the longitudinal moving support 32 respectively, the double-shaft motor 61 is arranged on the rack 1 and is connected with the longitudinal moving support 32, the left side and the right side of the double-shaft motor 61 are provided with output rotating shafts respectively, the transmission assemblies are provided with two groups, each output rotating shaft of the double-shaft motor 61 is connected with one transmission assembly, each transmission assembly comprises a transmission shaft 62, a worm 63, a worm wheel 64, a third screw rod 65, a first thrust ball bearing and a second thrust ball bearing, one end of the worm 63 is connected with the output rotating shaft through the transmission shaft 62, the other end of the worm 63 is connected with the vertical supports 66 through a rolling bearing, and the worm wheel 64 is meshed with the worm 63, an internal thread in threaded fit with the third screw rod 65 is arranged in the worm wheel 64, one end of the third screw rod 65 is connected with the gold stamping frame 71, the other end of the third screw rod 65 is in sliding fit with the vertical support 66, the upper end face of the worm wheel 64 is connected with the vertical support 66 through the first thrust ball bearing, the lower end face of the worm wheel 64 is connected with the vertical support 66 through the second thrust ball bearing, a guide post is arranged at the lower end of the gold stamping frame 71, a guide groove in sliding fit with the guide post is arranged on the vertical support 66, and the guide post is in sliding fit with the guide groove to improve the stability of the gold stamping frame 71 during up-and-down movement; the two output rotating shafts of the double-shaft motor 61 rotate synchronously, the output rotating shafts on the two sides drive the worms 63 on the left side and the right side to rotate synchronously through the transmission shaft 62, so that the worms 63 drive the worm wheel 64 to rotate, further the third screw rod 65 on the worm wheel 64 moves up and down along the height direction of the rack 1, and meanwhile, the gold stamping rack 71 moves up and down along the height direction of the rack 1.
For example, the surface of the heating nip roller 72 is coated with a heat-resistant silica gel layer, so that when the heating nip roller 72 rolls the bronzing paper, the bronzing paper can be completely attached to the surface of the printing stock, and the bronzing effect is ensured.
By way of example, the working platform 2 is preferably a vacuum adsorption working platform, and can adsorb and fix a printing stock, so that the printing stock can not move in the ink jet and gold stamping processes, the positions of each step of spraying and printing UV ink, spraying and printing blocking hot oil, spraying and printing gold stamping base oil, gold stamping and printing gloss oil are accurate, the positions of multiple times of spraying and printing and gold stamping are accurate, and the effect of a finished product is ensured.
The working process of the ink-jet gold stamping system comprises the following steps: the main control module is used for selecting a nozzle needing ink jetting in the ink jetting mechanism 8, and controlling the moving positions of the longitudinal moving mechanism and the transverse moving mechanism, so that the ink jetting track of the ink jetting mechanism 8 is controlled, and the distance between the ink jetting mechanism 8 and the working platform 2 is adjusted through the ink jetting vertical moving mechanism; firstly, carrying out digital ink jet on a UV ink nozzle which stores UV ink on a printing stock fixed on a working platform 2, carrying out jet printing on the printing stock to form a preset pattern through combination and superposition of the UV ink with various colors, and curing the UV ink which is subjected to jet printing through a UV curing mechanism; then, the area which does not need to be gilded is sprayed with the hot stamping resistant oil through a hot stamping resistant oil nozzle of the ink jet mechanism 8, and the sprayed hot stamping resistant oil is cured through a UV curing mechanism; then, spraying and printing the gold stamping base oil on the area needing gold stamping through a gold stamping base oil spray head of the ink jet mechanism 8, and curing the sprayed and printed gold stamping base oil through a UV curing mechanism; then the main control module controls the positions of the longitudinal moving mechanism and the vertical moving mechanism so as to control the gold stamping track of the gold stamping mechanism and complete gold stamping; finally, all areas of the gloss oil which are sprayed and printed with the gloss oil through a gloss oil nozzle of the ink-jet mechanism 8, and the sprayed and printed gloss oil is cured through a UV curing mechanism.
The embodiment of the invention provides an ink-jet gold stamping system, wherein a printing stock is positioned at the same position on a working platform 2 in the whole ink-jet and gold stamping process, so that the positioning error caused by secondary machine installation is avoided, the positioning precision of ink-jet and gold stamping is improved, the process level is improved, and the production cost is reduced; and through carrying out the jet printing of the blocking oil in the non-gilding area, in the process of gilding, the aluminum foil layer of the gilding paper is only transferred to the area which is jet printed with the gilding base oil, and the area which is jet printed with the blocking oil has high anti-sticking performance because the blocking oil has high anti-sticking performance, so that the aluminum foil layer of the gilding paper can not be stuck on the solidified blocking oil when the gilding mechanism carries out gilding, the accuracy of a gilding position is ensured, and the presentation effect of a finished product is good.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. The anti-ironing oil is characterized by comprising, by mass, 5-10 parts of modified epoxy resin, 5-10 parts of high-functional polyurethane agglomerated resin, 70-95 parts of reactive diluent, 5-20 parts of photoinitiator and 2-5 parts of wetting agent.
2. The permanent press oil of claim 1 wherein the modified epoxy resin is a modified epoxy acrylate; the high-functional polyurethane resin is aliphatic polyurethane acrylate; the active diluent is benzyl methacrylate; the wetting agent is a polyacrylate wetting agent; the photoinitiator is one or more of 2, 2-dimethoxy-2-phenylacetophenone, 1-hydroxy-cyclohexanone, 2, 4, 6-trimethylbenzoyl-diphenylphosphine oxide and 2, 4, 6-trimethylbenzoyl-phenylphosphine oxide.
3. The permanent press oil according to claim 2, wherein the photoinitiator comprises 5 to 10 parts by weight of 2, 4, 6-trimethylbenzoyl-diphenylphosphine oxide, 1 to 5 parts by weight of 2, 2-dimethoxy-2-phenylacetophenone, 1 to 5 parts by weight of 1-hydroxy-cyclohexylbenzophenone and 1 to 5 parts by weight of 2, 4, 6-trimethylbenzoyl-phenylphosphine oxide.
4. A method for preparing a permanent wave-resistant oil according to any one of claims 1 to 3, which comprises the following steps:
step one, premixing 5-10 parts by mass of modified epoxy resin, 5-10 parts by mass of high-functional group polyurethane resin and 70-95 parts by mass of reactive diluent;
step two, adding the mixture premixed in the step one into a high-speed dispersion machine, stirring and dispersing at the rotating speed of 1200-1500 rpm for 30-40 min;
and step three, adding the mixture obtained after stirring and dispersing in the step two and 5-20 parts by mass of photoinitiator into a closed dispersing and emulsifying machine, emulsifying, dispersing and grinding at the constant temperature of 55-65 ℃, taking out and adding 2-5 parts by mass of wetting agent after dispersing and emulsifying for 1-1.5 h, uniformly stirring, and cooling to room temperature to obtain the anti-ironing oil with the viscosity of 10-100 cps at 25 ℃.
5. An ink-jet gold stamping system is characterized in that the anti-gold stamping oil as claimed in any one of claims 1 to 4 is used for ink-jet and gold stamping.
6. The inkjet gold stamping system of claim 5, comprising a rack, a working platform, an inkjet mechanism, a longitudinal movement mechanism, a transverse movement mechanism, a vertical movement mechanism, an inkjet vertical movement mechanism, and a UV curing mechanism, wherein the working platform is disposed on a top surface of the rack, and the UV curing mechanism is disposed on the rack;
the longitudinal moving mechanism is connected to the rack, the transverse moving mechanism is connected to the longitudinal moving mechanism, the vertical moving mechanism is connected to the longitudinal moving mechanism, and the longitudinal moving mechanism drives the transverse moving mechanism and the vertical moving mechanism to move back and forth along the length direction of the rack; the ink-jet vertical moving mechanism is connected to the transverse moving mechanism, the transverse moving mechanism drives the ink-jet vertical moving mechanism to move left and right along the width direction of the rack, the ink-jet mechanism is connected to the ink-jet vertical moving mechanism, and the ink-jet vertical moving mechanism drives the ink-jet mechanism to move up and down along the height direction of the rack; the gold stamping mechanism is connected with the vertical moving mechanism, and the vertical moving mechanism drives the gold stamping mechanism to move up and down along the height direction of the rack;
the hot stamping oil spraying mechanism is characterized in that a hot stamping base oil spraying head, a hot stamping oil resisting spraying head and a plurality of UV printing ink spraying heads are arranged on the ink spraying mechanism, a hot stamping base oil storage cavity for storing hot stamping base oil is arranged on the hot stamping base oil spraying head, UV printing ink storage cavities for storing UV printing ink are arranged on the UV printing ink spraying heads, the colors of the UV printing ink stored in each UV printing ink storage cavity are different, a hot stamping resisting oil storage cavity for storing hot stamping resisting oil is arranged on the hot stamping resisting spraying head, and the components and the mass parts of the hot stamping resisting oil comprise 5-10 parts of modified epoxy resin, 5-10 parts of high-functional polyurethane resin, 70-95 parts of reactive diluent, 5-20 parts of photoinitiator and 2-5 parts of wetting agent;
the gold stamping mechanism comprises a gold stamping frame, a heating pressure roller, a gold stamping coil assembly and a gold stamping transmission assembly, wherein the heating pressure roller, the gold stamping coil assembly and the gold stamping transmission assembly are all arranged on the gold stamping frame, and the gold stamping transmission assembly drives the gold stamping coil assembly to receive and release gold stamping paper.
7. The inkjet gold stamping system of claim 6, wherein the gold stamping roll assembly includes a take-up roll and a pay-off roll, the take-up roll and the pay-off roll being positioned on either side of the heated nip roll; the gold stamping transmission assembly comprises a first motor, a driving chain wheel, a first driven chain wheel, a second driven chain wheel, a tensioning chain wheel and a chain, the driving chain wheel is connected with an output shaft of the first motor, the first driven chain wheel is connected with the discharging roller, the second driven chain wheel is connected with the collecting roller, the tensioning chain wheel is located between the first driven chain wheel and the second driven chain wheel, and the driving chain wheel is connected with the first driven chain wheel, the tensioning chain wheel and the second driven chain wheel through the chain.
8. The inkjet bronzing system of claim 6, wherein the longitudinal moving mechanism comprises a longitudinal guide rail, two longitudinal moving brackets, a second motor, a first ball screw pair and a first transmission belt, the longitudinal guide rail is provided at two sides of the rack, the longitudinal guide rail is provided at the rack along the length direction of the rack, the two sides of the longitudinal moving brackets are provided with first guide grooves in sliding fit with the longitudinal guide rail, the first ball screw pair is provided at two sides of the rack, the first ball screw pair comprises a first screw and a first nut in fit with the first screw, the two first nuts are connected with the longitudinal moving brackets, the second motor is installed at the rack, the output shaft of the second motor is provided with a first transmission belt wheel, the left side and the right side of the first transmission belt wheel are respectively provided with a tensioning belt wheel, one end of each of the two first screw rods is provided with a second transmission belt wheel, the other end of each first screw rod is connected with the rack through a rolling bearing, and the first transmission belt wheel is connected with the tensioning belt wheel and the second transmission belt wheel through the transmission belt;
the transverse moving mechanism comprises a transverse support, a transverse moving support, a transverse guide rail, a third driving belt wheel, a fourth driving belt wheel, a fifth driving belt wheel, a sixth driving belt wheel, a second driving belt, a third driving belt and a third motor, the transverse support is arranged on the longitudinal moving support, the transverse guide rail is arranged on the transverse support along the width direction of the rack, the transverse moving support is provided with a second guide groove in sliding fit with the transverse guide rail, the third driving belt wheel is connected with an output shaft of the third motor, the fourth driving belt wheel is connected with the third driving belt wheel through the second driving belt, the fourth driving belt wheel is coaxially connected with the fifth driving belt wheel, the fifth driving belt wheel is connected with the sixth driving belt wheel through the third driving belt, and the fifth driving belt wheel and the sixth driving belt wheel are respectively arranged at the left end and the right end of the transverse support, the transverse moving support is connected with the third transmission belt, and the ink-jet vertical moving mechanism is connected to the transverse moving support;
the ink-jet vertical moving mechanism comprises a fourth motor and a second ball screw pair, the fourth motor is fixedly arranged on the transverse moving support, an output shaft of the fourth motor is connected with one end of a second screw of the second ball screw pair, the other end of the second screw is connected with the transverse moving support through a rolling bearing, a second nut of the second ball screw pair is in threaded connection with the second screw, the ink-jet mechanism is connected with the second nut, the transverse moving support is provided with a vertical sliding guide rail arranged along the height direction of the rack, and the ink-jet mechanism is provided with a third guide groove in sliding fit with the vertical sliding guide rail;
the vertical moving mechanism comprises vertical supports, two double-shaft motors and a transmission assembly, the two vertical supports are arranged and are fixedly arranged on the left side and the right side of the longitudinal moving support respectively, the double-shaft motors are arranged on the rack and are connected with the longitudinal moving support, the left side and the right side of each double-shaft motor are respectively provided with an output rotating shaft, the output rotating shaft of each double-shaft motor is connected with one transmission assembly, the transmission assembly comprises a transmission shaft, a worm wheel, a third screw rod, a first thrust ball bearing and a second thrust ball bearing, one end of the worm is connected with the output rotating shaft through the transmission shaft, the other end of the worm is connected with the vertical supports through rolling bearings, the worm wheel is meshed with the worm, an internal thread in threaded fit with the third screw rod is arranged in the worm wheel, one end of the third screw rod is connected with the gold, the other end of the third lead screw is in sliding fit with the vertical support, the upper end face of the worm wheel is connected with the vertical support through the first thrust ball bearing, the lower end face of the worm wheel is connected with the vertical support through the second thrust ball bearing, the lower end of the gold stamping frame is provided with a guide post, and the vertical support is provided with a guide groove in sliding fit with the guide post.
9. The inkjet bronzing system of claim 6, wherein the work stage is a vacuum suction work stage.
10. The inkjet bronzing system of claim 6, wherein a surface of the heated nip roll is coated with a heat resistant silicone layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910989228.0A CN110746861A (en) | 2019-10-17 | 2019-10-17 | Anti-scalding oil, preparation method thereof and ink-jet gold stamping system applying anti-scalding oil |
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| CN201910989228.0A CN110746861A (en) | 2019-10-17 | 2019-10-17 | Anti-scalding oil, preparation method thereof and ink-jet gold stamping system applying anti-scalding oil |
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