CN114474855A - Production process of packing box with embossing - Google Patents
Production process of packing box with embossing Download PDFInfo
- Publication number
- CN114474855A CN114474855A CN202210037103.XA CN202210037103A CN114474855A CN 114474855 A CN114474855 A CN 114474855A CN 202210037103 A CN202210037103 A CN 202210037103A CN 114474855 A CN114474855 A CN 114474855A
- Authority
- CN
- China
- Prior art keywords
- embossing
- varnish
- packing box
- production process
- pattern
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012856 packing Methods 0.000 title claims abstract description 28
- 238000004049 embossing Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000002966 varnish Substances 0.000 claims abstract description 33
- 239000011248 coating agent Substances 0.000 claims abstract description 28
- 238000000576 coating method Methods 0.000 claims abstract description 28
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 26
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 26
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229920003023 plastic Polymers 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 21
- 239000012790 adhesive layer Substances 0.000 claims abstract description 19
- 239000011087 paperboard Substances 0.000 claims abstract description 14
- 238000004806 packaging method and process Methods 0.000 claims abstract description 12
- 238000007731 hot pressing Methods 0.000 claims abstract description 8
- 238000007774 anilox coating Methods 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims abstract description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 3
- 101100081771 Apis mellifera UVOP gene Proteins 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000123 paper Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004743 Polypropylene Substances 0.000 description 18
- 241000274582 Pycnanthus angolensis Species 0.000 description 3
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/88—Printing; Embossing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B50/20—Cutting sheets or blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/26—Folding sheets, blanks or webs
Landscapes
- Cartons (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Making Paper Articles (AREA)
Abstract
The invention relates to a production process of a packing box with embossing, which comprises the following steps: s1, performing wet coating of varnish on the PP plastic plate through an anilox roller, and performing drying and curing; s2, UV printing a required pattern on the cured varnish; s3, wet-coating varnish on the pattern, and drying and curing; s4, horizontally placing the PP plastic plate on the plane of a hydraulic machine downwards, and hydraulically pressing the pattern through a die to form embossing; s5, coating an EVA (ethylene vinyl acetate) adhesive layer on the paperboard, and performing hot pressing on the EVA adhesive layer and a PP plastic plate through a hot press to form a packaging box plate; and S6, cutting according to the required shape of the packaging box, and folding and forming. The invention aims to design a production process of the packing box with the embossing, which controls the thickness between a PP plastic plate and a paperboard by controlling the thickness of a varnish and an EVA adhesive layer, so that paper is effectively adhered to the PP plastic plate, and the packing box with the embossing has a strong embossing three-dimensional effect.
Description
Technical Field
The invention relates to the technical field of packaging box printing, in particular to a production process of a packaging box with an embossing.
Background
The paper that has the pattern is usually adhered to the surface at the box body through glue to current packing carton is pleasing to the eye, the effect of propaganda, under the market trend of packing carton design competition, the packing carton that has three-dimensional impressed watermark is unique, make the packing carton with have three-dimensional pattern, the depth of impressed watermark can directly lead to the stereoeffect of pattern, make the casing and the paper thickness of packing carton too thin, the impressed watermark stereoeffect is weak, thickness is too thick, with high costs and the paper fracture easily.
Disclosure of Invention
In order to overcome the defects of the background art, the invention aims to control the thickness between a PP plastic plate and a paperboard by controlling the thickness of a varnish and an EVA adhesive layer through designing a production process of the packing box with the embossing, so that the paper is ensured to be effectively adhered to the PP plastic plate, and meanwhile, the packing box has a strong embossing three-dimensional effect.
The technical scheme adopted by the invention is as follows: the production process of the packing box with the embossing according to claim 1, comprising the following steps:
(1) s1, performing wet coating of varnish on the PP plastic plate through an anilox roller, and performing drying and curing;
(2) s2, UV printing a required pattern on the cured varnish;
(3) s3, wet-coating varnish on the pattern, and drying and curing;
(4) s4, horizontally placing the PP plastic plate on the plane of a hydraulic machine downwards, and hydraulically pressing the pattern through a die to form embossing;
(5) s5, coating an EVA (ethylene vinyl acetate) adhesive layer on the paperboard, and performing hot pressing on the EVA adhesive layer and a PP plastic plate through a hot press to form a packaging box plate; and (6) S6, cutting according to the required shape of the packaging box, and folding and forming.
Further, the varnish in the S1 and S3 is UVOP varnish, methanol and water according to the weight percentage of 10:0.2: 0.8.
Further, the drying in the S1 and S3 is carried out by a roller coater, the drying temperature is 95-115 ℃, and the coating dry weight is controlled to be 0.7-1.0 g/m 3.
Further, the thickness of the varnish cured in the step S3 is 20-32 um.
Further, the pressure of the hydraulic press in the S4 is 80-100 t, the pressurization time is 1-2S, and the pressure maintaining time is 2S.
Further, the hot-pressing temperature of the hot press in the step S5 is 90-100 ℃, the pressure is 120-135 t, the pressurization time is 1-2S, and the pressure maintaining time is 2S.
Further, the thickness of EVA glue film is 10 ~ 16 um.
Compared with the prior art, the invention has the beneficial effects that:
1. the two sides of the pattern are respectively provided with 20-32 um varnish, so that the embossing thickness is increased when the pattern is embossed through a hot press, and the space stereoscopic impression of the pattern of the packaging box is improved.
2. The EVA adhesive layer is used as an adhesive to press the paper board and the PP board, so that cracking and separation between the paper board and the PP plastic board due to air drying are avoided.
The embodiments of the present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of the structure of the packing box of the present invention;
wherein: 1-PP plastic plate, 2-varnish, 3-pattern, 4-EVA adhesive layer and 5-paperboard;
Detailed Description
As shown in fig. 1 and 2, the present invention provides a first embodiment of a production process of a packing box with an embossing, comprising the following steps:
(1) s1, wet-coating varnish 2 on a PP plastic plate 1 through an anilox roller, and drying and curing through a roller coater, wherein the drying temperature is 110 ℃, and the coating dry weight is controlled to be 0.8g/m3；
(2) S2, the desired pattern 3 is UV-printed on the cured varnish 2, and the pattern is printed by a 5-color UV printer.
(3) S3, wet-coating varnish 2 on the pattern 3, and drying and curing the varnish by a roller coater, wherein the drying temperature is 110 ℃, and the coating dry weight is controlled to be 0.8g/m3The thickness is 30 um;
(4) s4, horizontally placing the PP plastic plate 1 downwards on the plane of a hydraulic press, and hydraulically pressing the pattern 3 through a die to form embossing so that the pattern 3 forms a three-dimensional pattern 3 in the varnish 2, wherein the pressure is 80t, the pressurization time is 1S, and the pressure maintaining time is 2S;
(5) s5, coating an EVA (ethylene vinyl acetate) adhesive layer 4 on a paper board 5, wherein the thickness of the EVA adhesive layer 4 is 12um, and the EVA adhesive layer and a PP (polypropylene) plastic board 1 are hot-pressed by a hot press to form a packaging box board, the hot-pressing temperature of the hot press is 100 ℃, the pressure is 120t, the pressurization time is 1S, and the pressure maintaining time is 2S;
(6) and S6, cutting according to the required shape of the packing box, and folding to form the packing box.
The present invention provides a second embodiment comprising the steps of:
(1) s1, wet-coating varnish 2 on a PP plastic plate 1 through an anilox roller, and drying and curing through a roller coater, wherein the drying temperature is 115 ℃, and the coating dry weight is controlled to be 0.7g/m3；
(2) S2, the desired pattern 3 is UV-printed on the cured varnish 2, and the pattern is printed by a 5-color UV printer.
(3) S3, wet-coating varnish 2 on the pattern 3, and drying and curing the varnish by a roller coater, wherein the drying temperature is 115 ℃, and the coating dry weight is controlled to be 0.7g/m3The thickness is 20 um;
(4) s4, horizontally placing the PP plastic plate 1 downwards on the plane of a hydraulic press, and hydraulically pressing the pattern 3 through a die to form embossing so that the pattern 3 forms a three-dimensional pattern 3 in the varnish 2, wherein the pressure is 80t, the pressurization time is 1S, and the pressure maintaining time is 2S;
(5) s5, coating an EVA adhesive layer 4 on the paper board 5, wherein the thickness of the EVA adhesive layer 4 is 10um, and the EVA adhesive layer 4 and the PP plastic board 1 are hot-pressed through a hot press to form a packaging box board, the hot pressing temperature of the hot press is 100 ℃, the pressure is 120t, the pressurization time is 1S, and the pressure maintaining time is 2S;
(6) and S6, cutting according to the required shape of the packing box, and folding to form the packing box.
The present invention provides a third embodiment comprising the steps of:
(1) s1, wet-coating varnish 2 on a PP plastic plate 1 through an anilox roller, and drying and curing through a roller coater, wherein the drying temperature is 95 ℃, and the coating dry weight is controlled to be 1.0g/m3；
(2) S2, the desired pattern 3 is UV-printed on the cured varnish 2, and the pattern is printed by a 5-color UV printer.
(3) S3, wet-coating varnish 2 on the pattern 3, and passing through a rollerDrying and curing the coating material by a barrel coating machine, wherein the drying temperature is 95 ℃, and the coating dry weight is controlled to be 1.0g/m3The thickness is 32 um;
(4) s4, horizontally placing the PP plastic plate 1 on the plane of a hydraulic press downwards, and hydraulically embossing the pattern 3 through a mould to form a three-dimensional pattern 3 in the varnish 2 by the pattern 3, wherein the pressure is 100t, the pressurization time is 2S, and the pressure maintaining time is 2S;
(5) s5, coating an EVA (ethylene vinyl acetate) adhesive layer 4 on a paper board 5, wherein the thickness of the EVA adhesive layer 4 is 16um, and the EVA adhesive layer and a PP (polypropylene) plastic board 1 are hot-pressed by a hot press to form a packaging box board, the hot-pressing temperature of the hot press is 90 ℃, the pressure is 135t, the pressurization time is 2S, and the pressure maintaining time is 2S;
(6) and S6, cutting according to the required shape of the packing box, and folding to form the packing box.
The skilled person should understand that: although the invention has been described in terms of the above specific embodiments, the inventive concept is not limited thereto and any modification applying the inventive concept is intended to be included within the scope of the patent claims.
Claims (7)
1. The production process of the packing box with the embossing is characterized by comprising the following steps of: the method comprises the following steps:
s1, performing wet coating of varnish on the PP plastic plate through an anilox roller, and performing drying and curing;
s2, UV printing a required pattern on the cured varnish;
s3, wet-coating varnish on the pattern, and drying and curing;
s4, horizontally placing the PP plastic plate on the plane of a hydraulic machine downwards, and hydraulically pressing the pattern through a die to form embossing;
s5, coating an EVA (ethylene vinyl acetate) adhesive layer on the paperboard, and performing hot pressing on the EVA adhesive layer and a PP plastic plate through a hot press to form a packaging box plate;
and S6, cutting according to the required shape of the packaging box, and folding and forming.
2. The production process of the packing box with the embossing as claimed in claim 1, characterized in that: the varnish in the S1 and S3 is UVOP varnish, methanol and water according to the weight percentage of 10:0.2: 0.8.
3. The production process of the packing box with the embossing as claimed in claim 1, characterized in that: drying in the above S1 and S3 by a roller coater, wherein the drying temperature is 95-115 ℃, and the coating dry weight is controlled to be 0.7-1.0 g/m3。
4. The production process of the packing box with the embossing as claimed in claim 1, characterized in that: the thickness of the varnish cured in the step S3 is 20-32 um.
5. The production process of the packing box with the embossing as claimed in claim 1, characterized in that: the pressure of the hydraulic press in the S4 is 80-100 t, the pressurization time is 1-2S, and the pressure maintaining time is 2S.
6. The production process of the packing box with the embossing as claimed in claim 1, characterized in that: the hot pressing temperature of the hot press in the S5 is 90-100 ℃, the pressure is 120-135 t, the pressurization time is 1-2S, and the pressure maintaining time is 2S.
7. The production process of the packing box with the embossing as claimed in claim 1, characterized in that: the thickness of EVA glue film is 10 ~ 16 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037103.XA CN114474855B (en) | 2022-01-13 | 2022-01-13 | Production process of packaging box with embossing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037103.XA CN114474855B (en) | 2022-01-13 | 2022-01-13 | Production process of packaging box with embossing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114474855A true CN114474855A (en) | 2022-05-13 |
| CN114474855B CN114474855B (en) | 2024-03-15 |
Family
ID=81511204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210037103.XA Active CN114474855B (en) | 2022-01-13 | 2022-01-13 | Production process of packaging box with embossing |
Country Status (1)
| Country | Link |
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| CN113103599A (en) * | 2021-03-29 | 2021-07-13 | 东风延锋汽车饰件系统有限公司 | Manufacturing method of interior trim part with three-dimensional effect surface skin and interior trim part |
| CN113798153A (en) * | 2021-08-25 | 2021-12-17 | 佛山市顺德区普瑞特机械制造有限公司 | Preparation method of floor with different surface brightness degrees |
-
2022
- 2022-01-13 CN CN202210037103.XA patent/CN114474855B/en active Active
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| CN104097414A (en) * | 2005-03-09 | 2014-10-15 | 美真纸板有限公司 | Novel markings and method of producing the same |
| JP2008260217A (en) * | 2007-04-12 | 2008-10-30 | Mk Hot Stamp:Kk | Printed matter having three dimensional steric effect and manufacturing method of the same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114474855B (en) | 2024-03-15 |
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