CN114474855B - Production process of packaging box with embossing - Google Patents
Production process of packaging box with embossing Download PDFInfo
- Publication number
- CN114474855B CN114474855B CN202210037103.XA CN202210037103A CN114474855B CN 114474855 B CN114474855 B CN 114474855B CN 202210037103 A CN202210037103 A CN 202210037103A CN 114474855 B CN114474855 B CN 114474855B
- Authority
- CN
- China
- Prior art keywords
- varnish
- plastic plate
- coating
- drying
- packaging
- 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.)
- Active
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 27
- 238000004049 embossing Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000002966 varnish Substances 0.000 claims abstract description 34
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 21
- 239000012790 adhesive layer Substances 0.000 claims abstract description 18
- 239000011087 paperboard Substances 0.000 claims abstract description 14
- 238000007731 hot pressing Methods 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims abstract description 10
- 238000007774 anilox coating Methods 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 101100081771 Apis mellifera UVOP gene Proteins 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000123 paper Substances 0.000 abstract description 5
- 241000274582 Pycnanthus angolensis Species 0.000 description 3
- 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
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
Abstract
The invention relates to a production process of an embossed packing box, which comprises the following steps: s1, coating varnish on a PP plastic plate in a wet mode through an anilox roller, and drying and curing; s2, UV printing a required pattern on the cured varnish; s3, coating varnish on the patterns in a wet mode, and drying and curing the varnish; s4, horizontally placing the PP plastic plate on a hydraulic press plane downwards, and hydraulically forming embossing on the pattern through a die; s5, coating an EVA adhesive layer on the paperboard, and hot-pressing the EVA adhesive layer and the PP plastic plate through a hot press to form a packaging box plate; s6, cutting according to the required shape of the packaging box, and folding and forming. The invention aims to control the thickness between the PP plastic plate and the paperboard by controlling the thickness of the varnish and EVA adhesive layers through designing the production process of the packaging box with the embossments, so that the paper is ensured to be effectively adhered to the PP plastic plate and has a stronger embossment 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 embossments.
Background
The existing packing box is usually adhered with paper with patterns on the surface of the box body through glue, so that the effects of attractive appearance and propaganda are achieved, under the market trend of packing box design competition, the packing box with three-dimensional embossments is unique, the packing box is provided with the patterns with three dimensions, the depth of the embossments can directly lead to the three-dimensional effect of the patterns, the thickness of the shell and the paper of the packing box is too thin, the three-dimensional effect of the embossments is weak, the thickness is too thick, the cost is high, and the paper is easy to crack.
Disclosure of Invention
In order to overcome the defects of the background technology, the invention aims to control the thickness between the PP plastic plate and the paperboard by controlling the thickness of the varnish and EVA adhesive layer through designing the production process with the embossing packing box, thereby ensuring that the paper is effectively adhered to the PP plastic plate and simultaneously having stronger embossing three-dimensional effect.
The technical scheme adopted by the invention is as follows: a production process of a packaging box with embossments, which comprises the following steps:
(1) S1, coating varnish on a PP plastic plate in a wet mode through an anilox roller, and drying and curing;
(2) S2, UV printing a required pattern on the cured varnish;
(3) S3, coating varnish on the patterns in a wet mode, and drying and curing the varnish;
(4) S4, horizontally placing the PP plastic plate on a hydraulic press plane downwards, and hydraulically forming embossing on the pattern through a die;
(5) S5, coating an EVA adhesive layer on the paperboard, and hot-pressing the EVA adhesive layer and the PP plastic plate through a hot press to form a packaging box plate; (6) S6, cutting according to the required shape of the packaging box, and folding and forming.
Further, the varnishes in the S1 and the S3 are composed of UVOP varnishes, methanol and water according to the weight percentage of 10:0.2:0.8.
Further, the S1 and the S3 are dried by a roller coater, the drying temperature is 95 ℃ to 115 ℃, and the coating dry weight is controlled to be 0.7g/m to 1.0g/m 3 。
The thickness of the varnish after curing in the step S3 is 20 to 32um.
Further, the pressure of the hydraulic machine in the step S4 is 80-100 t, the pressurizing 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 pressurizing time is 1-2S, and the holding time is 2S.
Further, the thickness of the EVA adhesive layer 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 varnish of 20-32 um, so that when the pattern is embossed by a hot press, the thickness of the embossable pattern is increased, and the space third dimension of the pattern of the packaging box is improved.
2. The EVA adhesive layer is used as an adhesive to press the paperboard and the PP plate, so that the paperboard and the PP plastic plate are prevented from being cracked and separated due to air drying.
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a process flow diagram of the present invention;
fig. 2 is a schematic structural view 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 an embossed packing box, comprising the steps of:
(1) S1, coating varnish 2 on a PP plastic plate 1 in a wet mode through an anilox roller, drying and solidifying through a roller coater, wherein the drying temperature is 110 ℃, and the coating dry weight is controlled to be 0.8g/m 3 ；
(2) S2, printing a required pattern 3 on the cured varnish 2 by UV, and printing by a 5-color UV printer.
(3) S3, wet-coating varnish 2 on the pattern 3, and drying and curing by a roller coater, wherein the drying temperature is 110 ℃, and the coating dry weight is controlled to be 0.8g/m 3 The thickness is 30um;
(4) S4, horizontally placing the PP plastic plate 1 on a plane of a hydraulic press downwards, and hydraulically forming embossing on the pattern 3 through a die, so that the pattern 3 forms a three-dimensional pattern 3 in the varnish 2, wherein the pressure is 80t, the pressurizing time is 1S, and the pressure maintaining time is 2S;
(5) S5, coating an EVA adhesive layer 4 on the paperboard 5, wherein the thickness of the EVA adhesive layer 4 is 12 mu m, and forming a packaging box board through hot pressing with the PP plastic board 1 by a hot press, wherein the hot pressing temperature of the hot press is 100 ℃, the pressure is 120t, the pressurizing time is 1S, and the pressure maintaining time is 2S;
(6) S6, cutting according to the required shape of the packaging box, and folding to form the packaging box.
The present invention provides a second embodiment comprising the steps of:
(1) S1, coating varnish 2 on a PP plastic plate 1 in a wet mode through an anilox roller, drying and solidifying through a roller coater, wherein the drying temperature is 115 ℃, and the coating dry weight is controlled to be 0.7g/m 3 ；
(2) S2, printing a required pattern 3 on the cured varnish 2 by UV, and printing by a 5-color UV printer.
(3) S3, wet-coating varnish 2 on the pattern 3, and drying and curing by a roller coater, wherein the drying temperature is 115 ℃, and the coating dry weight is controlled to be 0.7g/m 3 The thickness is 20um;
(4) S4, horizontally placing the PP plastic plate 1 on a plane of a hydraulic press downwards, and hydraulically forming embossing on the pattern 3 through a die, so that the pattern 3 forms a three-dimensional pattern 3 in the varnish 2, wherein the pressure is 80t, the pressurizing time is 1S, and the pressure maintaining time is 2S;
(5) S5, coating an EVA adhesive layer 4 on the paperboard 5, wherein the thickness of the EVA adhesive layer 4 is 10 mu m, and forming a packaging box board through hot pressing with the PP plastic board 1 by a hot press, wherein the hot pressing temperature of the hot press is 100 ℃, the pressure is 120t, the pressurizing time is 1S, and the pressure maintaining time is 2S;
(6) S6, cutting according to the required shape of the packaging box, and folding to form the packaging box.
The present invention provides a third embodiment comprising the steps of:
(1) S1, coating varnish 2 on a PP plastic plate 1 in a wet mode through an anilox roller, drying and solidifying through a roller coater, wherein the drying temperature is 95 ℃, and the coating dry weight is controlled to be 1.0g/m 3 ；
(2) S2, printing a required pattern 3 on the cured varnish 2 by UV, and printing by a 5-color UV printer.
(3) S3, wet-coating varnish 2 on the pattern 3, and drying and curing by a roller coater, wherein the drying temperature is 95 ℃, and the coating dry weight is controlled to be 1.0g/m 3 The thickness is 32um;
(4) S4, horizontally placing the PP plastic plate 1 on a plane of a hydraulic press downwards, and hydraulically forming embossing on the pattern 3 through a die, so that the pattern 3 forms a three-dimensional pattern 3 in the varnish 2, wherein the pressure is 100t, the pressurizing time is 2S, and the pressure maintaining time is 2S;
(5) S5, coating an EVA adhesive layer 4 on the paperboard 5, wherein the thickness of the EVA adhesive layer 4 is 16um, and forming a packaging box board through hot pressing with the PP plastic board 1 by a hot press, wherein the hot pressing temperature of the hot press is 90 ℃, the pressure is 135t, the pressurizing time is 2S, and the pressure maintaining time is 2S;
(6) S6, cutting according to the required shape of the packaging box, and folding to form the packaging box.
The skilled person will know: while the invention has been described in terms of the foregoing embodiments, the inventive concepts are not limited to the invention, and any modifications that use the inventive concepts are intended to be within the scope of the appended claims.
Claims (6)
1. The production process of the packing box with the embossments is characterized by comprising the following steps of: the method comprises the following steps:
s1, coating varnish on a PP plastic plate in a wet mode through an anilox roller, and drying and curing;
s2, UV printing a required pattern on the cured varnish;
s3, coating varnish on the patterns in a wet mode, and drying and curing the varnish, wherein the thickness of the cured varnish is 20-32 mu m;
s4, horizontally placing the PP plastic plate on a hydraulic press plane downwards, and hydraulically forming embossing on the pattern through a die;
s5, coating an EVA adhesive layer on the paperboard, and hot-pressing the EVA adhesive layer and the PP plastic plate through a hot press to form a packaging box plate;
s6, cutting according to the required shape of the packaging box, and folding and forming.
2. A process for producing a packaging with embossments according to claim 1, wherein: the varnish in the S1 and the S3 is composed of UVOP varnish, methanol and water according to the weight percentage of 10:0.2:0.8.
3. A process for producing a packaging with embossments according to claim 1, wherein: drying in the 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/m 3 。
4. A process for producing a packaging with embossments according to claim 1, wherein: the pressure of the hydraulic machine in the step S4 is 80-100 t, the pressurizing time is 1-2S, and the pressure maintaining time is 2S.
5. A process for producing a packaging with embossments according to claim 1, wherein: the hot pressing temperature of the hot press in the step S5 is 90-100 ℃, the pressure is 120-135 t, the pressurizing time is 1-2S, and the pressure maintaining time is 2S.
6. A process for producing a packaging with embossments according to claim 1, wherein: the thickness of the EVA adhesive layer 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 CN114474855A (en) | 2022-05-13 |
| CN114474855B true 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 |
|---|---|
| CN (1) | CN114474855B (en) |
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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 |
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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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| CN103129295A (en) * | 2013-02-17 | 2013-06-05 | 上海壹墨图文设计制作有限公司 | Manufacturing method of decorative picture |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114474855A (en) | 2022-05-13 |
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