CN115946459B - Packaging box green printing process based on water-based ink - Google Patents
Packaging box green printing process based on water-based ink Download PDFInfo
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- CN115946459B CN115946459B CN202310027910.8A CN202310027910A CN115946459B CN 115946459 B CN115946459 B CN 115946459B CN 202310027910 A CN202310027910 A CN 202310027910A CN 115946459 B CN115946459 B CN 115946459B
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- 238000007639 printing Methods 0.000 title claims abstract description 62
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 12
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- COBPKKZHLDDMTB-UHFFFAOYSA-N 2-[2-(2-butoxyethoxy)ethoxy]ethanol Chemical compound CCCCOCCOCCOCCO COBPKKZHLDDMTB-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 239000013530 defoamer Substances 0.000 claims abstract description 4
- 239000008367 deionised water Substances 0.000 claims abstract description 4
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 4
- 239000002270 dispersing agent Substances 0.000 claims abstract description 4
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 4
- 239000000049 pigment Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 claims abstract description 4
- 238000005303 weighing Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 94
- 238000003860 storage Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 9
- 206010044048 Tooth missing Diseases 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000004381 surface treatment Methods 0.000 claims description 6
- OSSNTDFYBPYIEC-UHFFFAOYSA-N 1-ethenylimidazole Chemical compound C=CN1C=CN=C1 OSSNTDFYBPYIEC-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000003490 calendering Methods 0.000 claims description 3
- 239000007888 film coating Substances 0.000 claims description 3
- 238000009501 film coating Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000178 monomer Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
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- 238000013461 design Methods 0.000 description 1
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Abstract
The invention relates to the technical field of packaging box production, and discloses a packaging box green printing process based on water-based ink, which comprises the following steps of: s1, preparing ink: weighing the following raw materials in parts by weight: 10-18 parts of pigment, 2-6 parts of diethylene glycol, 3.5-5 parts of emulsifier, 3-7 parts of triethylene glycol monobutyl ether, 1.9-3.9 parts of ethylene glycol, 1.5-2.0 parts of EDTA tetrasodium salt, 4-6 parts of adhesive, 2.5-5 parts of defoamer, 1.0-4 parts of dispersing agent, 3-10 parts of adhesion promoter and 30-50 parts of deionized water, and then mixing the raw materials, uniformly stirring in a mixing mill, and taking out for standby. S2, leveling and preheating: placing the packaging box to be printed on leveling equipment, then carrying out press coating leveling on the packaging box to enable the surface of the packaging box to be kept flat, and then sending the leveled product to be printed into an air heater for preheating for 8-12 minutes for later use. According to the invention, the cohesive force of the ink is enhanced by introducing the polar monomer, so that the adhesive strength of the ink is improved.
Description
Technical Field
The invention relates to the technical field of packaging box production, in particular to a packaging box green printing process based on water-based ink.
Background
The packing box is the most widely used packing material at present, generally refers to a paper packing box, and the use amount of the paper packing box is increased along with the sustainable development of the express industry in recent years. In order to clearly show the product information, a font, a pattern, etc. are usually printed on the package box for visually displaying the information of the product contained in the package box.
The printing process can also be the whole process of printing and copying visual and tactile information, including pre-printing, post-printing processing, transmitting and the like. Is a gate set; photographic, art, technology, chemistry, electronics, computer software, hardware technology, and environmental protection, and a technology with ultra-strong examination. That is, the technology of copying art, characters and images in batches according to the requirements through overall planning, photography, word processing and art design, editing, color separation, plate making, printing and post-printing forming processing.
In order to emphasize the environmental protection of the printing process, the oily ink used in the past printing is replaced by the water-based ink, so that the pollution to the environment is reduced, however, the ink is often at the expense of the practicability of the ink, such as the problem of the reduced adhesive force of the ink. Therefore, we propose a green printing process for packaging boxes based on aqueous ink.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a green printing process for a packaging box based on water-based ink.
The invention is realized by adopting the following technical scheme: a green printing process of a packaging box based on water-based ink comprises the following steps:
s1, preparing ink: weighing the following raw materials in parts by weight: 10-18 parts of pigment, 2-6 parts of diethylene glycol, 3.5-5 parts of emulsifier, 3-7 parts of triethylene glycol monobutyl ether, 1.9-3.9 parts of ethylene glycol, 1.5-2.0 parts of EDTA tetrasodium salt, 4-6 parts of adhesive, 2.5-5 parts of defoamer, 1.0-4 parts of dispersing agent, 3-10 parts of adhesion promoter and 30-50 parts of deionized water, and then mixing the raw materials, uniformly stirring in a mixing mill, and taking out for standby, wherein the adhesion promoter is a mixture of a curing agent XR-104 and N-vinylimidazole.
S2, leveling and preheating: placing a packaging box to be printed on leveling equipment, then carrying out press coating leveling on the packaging box to enable the surface of the packaging box to be kept flat, and then sending the leveled product to be printed into an air heater for preheating for 8-12 minutes for later use;
s3, spraying and printing: transferring the preheated packaging box to a printing machine 1, adding ink into an ink tank of the printing machine 1, pressing a pressing shaft onto the packaging box by the printing machine 1, putting down a scraper, printing the ink onto the packaging box by a printing plate between the printing plate and the pressing shaft, drying at room temperature after printing, and packaging and warehousing after drying;
s4: and finally, carrying out surface treatment processing on the packaging box, wherein the surface treatment comprises polishing, calendaring and film coating.
Preferably, a conveying mechanism is arranged in the printing machine, a feeding assembly is arranged at a feeding port of the conveying mechanism, and comprises a workbench, a temporary storage frame arranged above the workbench and a feeding mechanism arranged between the temporary storage frame and the workbench;
the temporary storage frame is a rectangular frame formed by a plurality of vertical rods and cross beams, and a second paper stack formed by stacking paper boxes is stored in the rectangular frame;
the feeding mechanism comprises a guide frame fixed on the workbench, a cross rod transversely and slidably arranged on the guide frame and a driving cross rod horizontally sliding reciprocating driving unit, one side of the cross rod, far away from the printing machine, is provided with a shifting block, and the shifting block is used for shifting the bottommost paper box in the second paper stack to move onto the conveying mechanism.
Through the scheme, the cartons in the second paper stack can be automatically transferred to the printer one by one in sequence, conveyed through the conveying mechanism and subjected to a plurality of working procedures of the printer to finish printing.
Preferably, the reciprocating driving unit comprises a guide frame fixedly mounted on the workbench, a first driving motor mounted on the cross rod, a tooth-missing gear mounted on an output shaft of the first driving motor, a rack capable of being meshed with the tooth-missing gear arranged on the top surface of the workbench along the horizontal direction, and a lug arranged on the cross rod, wherein the lug is connected with the adjacent guide frame through a first restoring spring.
The driving motor in the reciprocating driving unit is electrified to work to drive the tooth-missing gear to rotate, and when the tooth-missing gear is meshed with the rack, the cross rod can be driven to horizontally move above the cross rod relative to the workbench.
Preferably, a power assisting mechanism is arranged above one side of the feeding end of the conveying mechanism, the power assisting mechanism is used for driving the bottommost paper box conveyed by the feeding mechanism to move to the conveying mechanism, the power assisting mechanism comprises two groups of clamping mechanisms, each clamping mechanism comprises a rotating roller horizontally installed on the printer and a gear installed on the rotating roller, a clamping gap for the bottommost paper box to pass through is formed between rotating pipes in the two groups of clamping mechanisms, the gears in the two groups of clamping mechanisms are meshed, and the power assisting mechanism further comprises a power unit for driving the gear on one rotating roller to rotate. When the assisting mechanism works, after the feeding mechanism pushes the paper box at the bottommost part to the clamping gap, the feeding mechanism returns to the initial position, and at the moment, the assisting mechanism can provide power for the paper box, so that the paper box can be conveniently and rapidly moved to the conveying mechanism.
Preferably, the power unit comprises a rotary poking rod arranged on one side of the cross rod close to the printing machine, and a push stopping rod fixed at the tail end of the cross rod, wherein the push stopping rod is used for limiting the rotary poking rod to rotate to one side, the power unit further comprises two movable rods which are connected to the printing machine in a sliding mode, a stop rod arranged between one ends of the movable rods, a driving toothed plate meshed with the gear is further arranged on one movable rod, and an adjusting unit for driving the stop rod to move is arranged on the two movable rods. When the power unit works, the rotary poking rod at the tail end of the cross rod is gradually close to the poking rod, the poking rod can rotate at the moment, so that the rotary poking rod moves to the other side of the poking rod, when the cross rod returns to the initial position, the rotary poking rod can pull the poking rod to drive the movable rod to horizontally slide, so that the gear rotates, the two rotary rollers are finally driven to rotate, the paper box between the two rotary rollers is rapidly pushed onto the conveying mechanism, and after the feeding mechanism returns to the initial position, the poking rod can move, so that the power unit returns to the initial position, and next work is facilitated.
Preferably, one end of each movable rod far away from the stop lever is fixedly provided with a connecting part, one side of each connecting part is provided with a second return spring, the other end of each second return spring is fixedly provided with a fixed block, and the fixed blocks are fixed with a shell of the printing machine. Through the structure, the movable rod can be conveniently returned to the initial position.
Preferably, the adjusting unit comprises extension rods vertically fixed on the movable rods, two ends of each stop rod are respectively connected with the two extension rods in a sliding mode, an electromagnet II is arranged at the tail end of each extension rod, an electromagnet I which can attract the electromagnet II magnetically is arranged on each extension rod, and a reset spring connected with each stop rod is arranged on each extension rod. After the horizontal pole in feed mechanism gets back to initial position, electro-magnet one and electro-magnet two work can make the shelves pole along extension pole length direction motion for the shelves pole no longer blocks rotatory poking rod, conveniently makes the movable rod get back to initial position under the drive of return spring two this moment, and after the movable rod got back to initial position, electro-magnet one and electro-magnet two outage, and the shelves pole also gets back to initial position this moment, is convenient for work use next time.
Preferably, one side of the workbench is provided with a movable base, a lifting mechanism is arranged on the base, a first paper stack formed by stacking paper boxes is arranged above the lifting mechanism, an automatic material taking mechanism is arranged on the rectangular frame, and the automatic material taking mechanism is used for pushing the paper boxes at the tops of the first paper stacks into a temporary storage frame. The first paper stack can automatically supplement paper boxes to the rectangular frame, so that the working efficiency is higher, and the degree of automation is improved.
Preferably, the automatic material taking mechanism comprises two groups of revolving racks arranged on two opposite sides of the rectangular frame and movable push plates arranged at movable ends of the revolving racks, the revolving racks comprise sliding seats which are horizontally and slidably connected on the cross beam, driving motors are arranged on the sliding seats, two parallel screw rods are respectively arranged on two opposite sides of the cross beam, driving motors for driving the screw rods to rotate are arranged on the vertical rods, movable sleeves are spirally matched on the screw rods and connected with the sliding seats, connecting rods are further arranged on output shafts of the driving motors, movable push plates are rotatably arranged between movable ends of the two connecting rods, diagonal rods are respectively and rotatably connected on two opposite sides of the movable push plates, sliding sleeves are respectively and slidably arranged on the two connecting rods, and limiting protruding blocks are further arranged on the connecting rods so as to limit the sliding sleeves to slide in a certain range. The movable pushing plate in the automatic material taking mechanism can move to one side of the first paper pile far away from the second paper pile, the movable pushing plate is kept in a vertical state, then the driving motor II works, the screw rod rotates, and finally the sliding seat is driven to move to one side far away from the first paper pile, so that a third paper pile with a certain height above the first paper pile moves into the rectangular frame
Preferably, a vertical plate is fixed on one side of the rectangular frame, and the vertical plate is attached to one side, close to the workbench, of the first paper stack. Through the riser that sets up, can make the third paper pile when the motion, can not make the carton of its below take place relative motion under the effect of frictional force to keep job stabilization reliable.
Compared with the prior art, the invention has the beneficial effects that:
according to the green printing process provided by the invention, the adhesion auxiliary agent composed of the curing agent XR104 and N-vinylimidazole is added into the ink raw material, and the polar monomer is introduced, so that the cohesive force of the ink is enhanced, and the adhesive strength of the ink is further improved.
The printing machine provided by the invention is internally provided with the conveying mechanism, the feeding opening of the conveying mechanism is provided with the feeding assembly, and the feeding assembly comprises a workbench, a temporary storage frame arranged above the workbench and a feeding mechanism arranged between the temporary storage frame and the workbench; the feeding mechanism comprises a guide frame fixed on the workbench, a cross rod transversely and slidably arranged on the guide frame and a driving cross rod horizontally sliding reciprocating driving unit, one side of the cross rod, far away from the printing machine, is provided with a shifting block, and the shifting block is used for shifting the bottommost paper box in the second paper stack to move onto the conveying mechanism. The invention can automatically transfer the paper boxes in the second paper stack into the printer one by one in sequence, and convey the paper boxes through the conveying mechanism, and the paper boxes are subjected to a plurality of working procedures of the printer, so that printing is finished, the degree of automation is high, and the working efficiency is effectively improved.
Drawings
Fig. 1 is a schematic structural view of a printing press and a feeding mechanism according to the present invention;
FIG. 2 is a schematic view of an automatic take-off mechanism according to the present invention in transferring a third pile of sheets;
fig. 3 is a schematic structural view of the feeding mechanism provided by the invention when transferring paper boxes;
FIG. 4 is a schematic view of the partial structure of FIG. 1 according to the present invention;
FIG. 5 is a schematic view of the connection structure of the movable push plate and the connecting rod according to the present invention;
FIG. 6 is an enlarged view of the invention at B in FIG. 1;
FIG. 7 is an enlarged view of FIG. 3 at C in accordance with the present invention;
fig. 8 is a schematic structural view of the clamping mechanism of the present invention.
Main symbol description:
in the figure: the printing machine 1, the conveying mechanism 2, the workbench 3, the lifting mechanism 4, the base 5, the first paper stack 6, the second paper stack 7, the cross beam 8, the vertical rod 9, the movable push plate 10, the third paper stack 11, the movable sleeve 12, the sliding seat 13, the screw rod 14, the protruding block 15, the first return spring 16, the guide frame 17, the guide roller 18, the gear 19 with teeth missing, the first driving motor 20, the cross beam 21, the shifting block 22, the connecting rod 23, the second driving motor 24, the cross beam 25, the fixed block 26, the second return spring 28, the connecting part 29, the movable rod 30, the bottommost paper box 31, the rotary shifting rod 32, the stop rod 33, the clamping mechanism 35, the diagonal tension rod 36, the rotary roller 37, the gear 38, the extension rod 39, the first electromagnet 40, the stop rod 41, the second electromagnet 42, the sliding sleeve 43 and the baffle 44.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Example 1:
referring to fig. 1-8, a green printing process for packaging boxes based on water-based ink comprises the following steps:
s1, preparing ink: weighing the following raw materials in parts by weight: 10-18 parts of pigment, 2-6 parts of diethylene glycol, 3.5-5 parts of emulsifier, 3-7 parts of triethylene glycol monobutyl ether, 1.9-3.9 parts of ethylene glycol, 1.5-2.0 parts of EDTA tetrasodium salt, 4-6 parts of adhesive, 2.5-5 parts of defoamer, 1.0-4 parts of dispersing agent, 3-10 parts of adhesion promoter and 30-50 parts of deionized water, and then mixing the raw materials, uniformly stirring in a mixing mill, and taking out for standby, wherein the adhesion promoter is a mixture of a curing agent XR-104 and N-vinylimidazole.
S2, leveling and preheating: placing a packaging box to be printed on leveling equipment, then carrying out press coating leveling on the packaging box to enable the surface of the packaging box to be kept flat, and then sending the leveled product to be printed into an air heater for preheating for 8-12 minutes for later use;
s3, spraying and printing: transferring the preheated packaging box to a printing machine 1, adding ink into an ink tank of the printing machine 1, pressing a pressing shaft onto the packaging box by the printing machine 1, putting down a scraper, printing the ink onto the packaging box by a printing plate between the printing plate and the pressing shaft, drying at room temperature after printing, and packaging and warehousing after drying;
s4: and finally, carrying out surface treatment processing on the packaging box, wherein the surface treatment comprises polishing, calendaring and film coating.
Preferably, a conveying mechanism 2 is arranged in the printer 1, a feeding assembly is arranged at a feed inlet of the conveying mechanism 2, and comprises a workbench 3, a temporary storage frame arranged above the workbench 3 and a feeding mechanism arranged between the temporary storage frame and the workbench 3;
the temporary storage frame is a rectangular frame formed by a plurality of vertical rods 9 and cross beams 25, and a second paper stack 7 formed by stacking paper boxes is stored in the rectangular frame;
the feeding mechanism comprises a guide frame 17 fixed on the workbench 3, a cross rod 21 transversely and slidably arranged on the guide frame 17 and a driving cross rod 21 horizontally and slidably reciprocating driving unit, one side of the cross rod 21 far away from the printing machine 1 is provided with a shifting block 22, and the shifting block 22 is used for shifting the bottommost paper box 31 in the second paper stack 7 to the conveying mechanism 2.
By the above arrangement, the cassettes in the second pile 7 can be automatically transferred to the printer 1 one by one in sequence, and transported by the transport mechanism 2, and subjected to a plurality of processes of the printer, to complete printing.
As an alternative embodiment of the invention, the reciprocating driving unit comprises a guide frame 17 fixedly arranged on the workbench 3, a driving motor I20 arranged on a cross rod 21, a tooth-missing gear 19 arranged on an output shaft of the driving motor I20, a rack capable of being meshed with the tooth-missing gear 19 arranged on the top surface of the workbench 3 along the horizontal direction, a lug 15 arranged on the cross rod 21, and a return spring I16 connected between the lug 15 and the adjacent guide frame 17.
The first driving motor 20 in the reciprocating driving unit is electrified to work to drive the gear 19 with the missing teeth to rotate, and when the gear with the missing teeth is meshed with the rack, the cross rod 21 can be driven to horizontally move above the workbench 3.
As an alternative embodiment of the present invention, a booster mechanism is disposed above one side of the feeding end of the feeding mechanism 2, the booster mechanism is used for driving the bottommost sheet cassette 31 conveyed by the feeding mechanism to move onto the feeding mechanism 2, the booster mechanism includes two groups of clamping mechanisms 35, the clamping mechanisms 35 include rotating rollers 37 mounted on the printing machine 1 and gears 38 mounted on the rotating rollers 37 in a horizontal rotation manner, a clamping gap for the bottommost sheet cassette 31 to pass through is formed between the rotating rollers 37 in the two groups of clamping mechanisms 35, the gears 38 in the two groups of clamping mechanisms 35 are meshed, and the booster mechanism further includes a power unit for driving the gears 38 on one of the rotating rollers 37 to rotate. When the assisting mechanism works, after the feeding mechanism pushes the paper box at the bottommost part to the clamping gap, the feeding mechanism returns to the initial position, and at the moment, the assisting mechanism can provide power for the paper box, so that the paper box can be conveniently and rapidly moved to the conveying mechanism 2.
As an alternative embodiment of the present invention, the power unit includes a rotary toggle bar 32 mounted on one side of the cross bar 21 near the printer, and a push stop bar 33 fixed on the end of the cross bar 21, where the push stop bar 33 is used to limit the rotation of the rotary toggle bar 32 to one side, and the power unit further includes two movable bars 30 slidably connected to the printer, a stop bar 41 mounted between one ends of the movable bars 30, and one of the movable bars 30 is further mounted with a driving toothed plate engaged with the gear 38, and the two movable bars 30 are mounted with an adjusting unit for driving the stop bar 41 to move. When the power unit works, the rotary poking rod 32 at the tail end of the cross rod 21 is gradually close to the poking rod 41, at the moment, the poking rod 41 can enable the rotary poking rod 32 to rotate, so that the rotary poking rod 32 moves to the other side of the poking rod 41, when the cross rod returns to the initial position, the rotary poking rod 32 can pull the poking rod 41 to drive the movable rod 32 to horizontally slide, so that the gear 38 rotates, finally the two rotary rollers 37 are driven to rotate, the paper box between the two rotary rollers 37 is pushed onto the conveying mechanism rapidly, and when the feeding mechanism returns to the initial position, the poking rod 41 can move, so that the power unit returns to the initial position, and the next work is facilitated.
As an alternative embodiment of the present invention, the two movable rods 30 are fixed with a connecting portion 29 at one end far away from the stop lever 41, a second return spring 28 is installed at one side of the connecting portion 29, a fixed block 26 is fixed at the other end of the second return spring 28, and the fixed block 26 is fixed with the casing of the printing machine 1. With the above structure, the movable lever 30 can be conveniently returned to the initial position.
As an alternative embodiment of the present invention, the adjusting unit includes extension rods 39 vertically fixed to the movable rod 30, two ends of the stop rod 41 are slidably connected to the two extension rods 39, an electromagnet two 42 is mounted at the end of the extension rod 39, an electromagnet one 40 capable of magnetically attracting with the electromagnet two 42 is mounted on the extension rod 39, and a return spring connected to the stop rod 41 is disposed on the extension rod 39. When the cross bar 21 in the feeding mechanism returns to the initial position, the first electromagnet 40 and the second electromagnet 42 work, so that the stop lever 41 can move along the length direction of the extension rod 39, the stop lever 41 does not block the rotary toggle rod 32, the movable rod 30 is conveniently driven by the second return spring 28 to return to the initial position, and after the movable rod 30 returns to the initial position, the first electromagnet 40 and the second electromagnet 42 are powered off, and the stop lever 41 also returns to the initial position, so that the next working use is facilitated.
Example 2:
referring to fig. 1-5 specifically, in order to more conveniently transfer the paper boxes, improve the automation degree, further improve the working efficiency, in this embodiment, a movable base 5 is provided on one side of the workbench 3, a lifting mechanism 4 is installed on the base 5, a first paper stack 6 formed by stacking the paper boxes is provided above the lifting mechanism 4, an automatic material taking mechanism is installed on the rectangular frame, and the automatic material taking mechanism is used for pushing the paper boxes at the top of the first paper stack 6 into a temporary storage frame. The first pile 6 can automatically replenish the paper boxes into the rectangular frame, so that the working efficiency is higher, and the degree of automation is improved.
As an alternative embodiment of the invention, the automatic material taking mechanism comprises two groups of revolving racks arranged on two opposite sides of a rectangular frame and a movable push plate 10 arranged at the movable end of the revolving racks, the revolving racks comprise sliding seats 13 which are horizontally and slidably connected on a cross beam 25, driving motors are arranged on the sliding seats 13, two parallel screw rods 14 are respectively arranged on two opposite sides of the cross beam, a driving motor 24 for driving the screw rods 14 to rotate is arranged on a vertical rod 9, a movable sleeve 12 is arranged on the screw rods 14 in a spiral fit manner, the movable sleeve 12 is connected with the sliding seats 13, the output shaft of the driving motor is also provided with a connecting rod 23, the movable push plate 10 is rotatably arranged between the movable ends of the two connecting rods 23, diagonal rods 36 are respectively rotatably connected on two opposite sides of the movable push plate 10, sliding sleeves 43 are respectively slidably arranged on the two connecting rods 23, the movable ends of the two diagonal rods 36 are respectively rotatably connected with the two sliding sleeves 43, and limit bumps are also arranged on the connecting rods 23 to limit the sliding sleeves to slide within a certain range. The movable pushing plate 10 in the automatic material taking mechanism can move to one side of the first paper pile 6 far away from the second paper pile, the movable pushing plate 10 keeps a vertical state, then the driving motor II 24 works to rotate the screw rod 14, finally the sliding seat is driven to move to one side far away from the first paper pile 6, and the third paper pile 11 with a certain height above the first paper pile 6 moves to the rectangular frame
As an alternative embodiment of the present invention, a riser 44 is fixed to one side of the rectangular frame, and the riser 44 is attached to the side of the first pile 6 near the table 3. By providing the vertical plate 44, the third pile 11 can be made to move relatively without being made to move relatively by friction force, so that the operation is kept stable and reliable.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (4)
1. A green printing process for packaging boxes based on water-based ink is characterized by comprising the following steps of
S1, preparing ink: weighing the following raw materials in parts by weight: 10-18 parts of pigment, 2-6 parts of diethylene glycol, 3.5-5 parts of emulsifier, 3-7 parts of triethylene glycol monobutyl ether, 1.9-3.9 parts of ethylene glycol, 1.5-2.0 parts of EDTA tetrasodium salt, 4-6 parts of adhesive, 2.5-5 parts of defoamer, 1.0-4 parts of dispersing agent, 3-10 parts of adhesion promoter and 30-50 parts of deionized water, and then mixing the raw materials, uniformly stirring in a mixing mill, and taking out for standby, wherein the adhesion promoter is a mixture of a curing agent XR-104 and N-vinylimidazole;
s2, leveling and preheating: placing a packaging box to be printed on leveling equipment, then carrying out press coating leveling on the packaging box to enable the surface of the packaging box to be kept flat, and then sending the leveled product to be printed into an air heater for preheating for 8-12 minutes for later use;
s3, spraying and printing: transferring the preheated packaging box to a printer, adding ink into an ink tank of the printer, pressing a pressing shaft onto the packaging box by the printer, putting down a scraper, printing the ink onto the packaging box by the printing plate between the printing plate and the pressing shaft, drying at room temperature after printing, and packaging and warehousing after drying;
s4: finally, carrying out surface treatment processing on the packaging box, wherein the surface treatment comprises polishing, calendaring and film coating;
the printing machine is internally provided with a conveying mechanism, a feeding assembly is arranged at a feeding port of the conveying mechanism, and the feeding assembly comprises a workbench, a temporary storage frame arranged above the workbench and a feeding mechanism arranged between the temporary storage frame and the workbench;
the temporary storage frame is a rectangular frame formed by a plurality of vertical rods and cross beams, and a second paper stack formed by stacking paper boxes is stored in the rectangular frame;
the feeding mechanism comprises a guide frame fixed on the workbench, a cross rod transversely and slidably arranged on the guide frame and a driving cross rod horizontally and slidably reciprocating driving unit, a shifting block is arranged on one side of the cross rod, far away from the printing machine, of the cross rod, and the shifting block is used for shifting the bottommost paper box in the second paper stack to move onto the conveying mechanism;
the reciprocating driving unit comprises a guide frame fixedly arranged on the workbench, a first driving motor arranged on the cross rod, a tooth-missing gear arranged on an output shaft of the first driving motor, a rack capable of being meshed with the tooth-missing gear arranged on the top surface of the workbench along the horizontal direction, a lug arranged on the cross rod, and a first return spring connected between the lug and the adjacent guide frame;
a power assisting mechanism is arranged above one side of the feeding end of the conveying mechanism and used for driving the bottommost paper box conveyed by the feeding mechanism to move to the conveying mechanism, the power assisting mechanism comprises two groups of clamping mechanisms, each clamping mechanism comprises a rotating roller horizontally rotatably arranged on the printer and a gear arranged on the rotating roller, a clamping gap for the bottommost paper box to pass through is formed between the rotating rollers in the two groups of clamping mechanisms, the gears in the two groups of clamping mechanisms are meshed, and the power assisting mechanism further comprises a power unit for driving the gear on one rotating roller to rotate;
the power unit comprises a rotary poking rod arranged on one side of the cross rod close to the printing machine, and a thrust rod fixed at the tail end of the cross rod, wherein the thrust rod is used for limiting the rotary poking rod to rotate to one side, the power unit further comprises two movable rods which are connected to the printing machine in a sliding manner, a stop lever arranged between one ends of the movable rods, a driving toothed plate meshed with a gear is further arranged on one movable rod, and an adjusting unit for driving the stop lever to move is arranged on the two movable rods;
the two movable rods are fixedly connected with a connecting part at one end far away from the stop lever, a second return spring is arranged at one side of the connecting part, a fixed block is fixedly arranged at the other end of the second return spring, and the fixed block is fixedly connected with a shell of the printing machine;
the adjusting unit comprises extension rods vertically fixed on the movable rods, two ends of each stop rod are respectively connected with the two extension rods in a sliding mode, an electromagnet II is arranged at the tail end of each extension rod, an electromagnet I which can attract the electromagnet II in a magnetic mode is arranged on each extension rod, and a reset spring connected with each stop rod is arranged on each extension rod.
2. The green printing process of the packaging box based on the water-based ink, according to claim 1, wherein a movable base is arranged on one side of the workbench, a lifting mechanism is arranged on the base, a first paper stack formed by stacking paper boxes is arranged above the lifting mechanism, an automatic material taking mechanism is arranged on the rectangular frame, and the automatic material taking mechanism is used for pushing the paper boxes at the tops of the first paper stacks into the temporary storage frame.
3. The green printing process of the packaging box based on the water-based ink is characterized in that the automatic material taking mechanism comprises two groups of revolving racks arranged on two opposite sides of a rectangular frame and movable pushing plates arranged at movable ends of the revolving racks, the revolving racks comprise sliding seats which are horizontally and slidably connected to a cross beam, a driving motor is arranged on each sliding seat, two parallel screw rods are respectively arranged on two opposite sides of each cross beam, a driving motor II for driving the screw rods to rotate is arranged on each vertical rod, movable sleeves are arranged on each screw rod in a spiral fit manner, the movable sleeves are connected with the sliding seats, connecting rods are further arranged on output shafts of the driving motor, movable pushing plates are rotatably arranged between movable ends of the two connecting rods, inclined pull rods are rotatably connected to the two opposite sides of each movable pushing plate, sliding sleeves are slidably arranged on the two connecting rods, the movable ends of the two inclined pull rods are rotatably connected with the two sliding sleeves respectively, and limit protruding blocks are further arranged on the connecting rods so as to limit the sliding sleeves to slide in a certain range.
4. The green printing process of a packaging box based on water-based ink according to claim 2, wherein a vertical plate is fixed on one side of the rectangular frame, and the vertical plate is attached to one side of the first paper stack close to the workbench.
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| CN202310027910.8A CN115946459B (en) | 2023-01-09 | 2023-01-09 | Packaging box green printing process based on water-based ink |
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| CN202310027910.8A CN115946459B (en) | 2023-01-09 | 2023-01-09 | Packaging box green printing process based on water-based ink |
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| CN115946459A (en) | 2023-04-11 |
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