Beer carton manufacturing process

Abstract

The invention relates to the technical field of beer cartons, in particular to a beer carton manufacturing process. The beer carton manufacturing process specifically comprises the following steps that S1, 170g / m < 2 > coated white craft paper is printed with an alcohol-free fountain solution, the temperature of the alcohol-free fountain solution is 8-15 DEG C, the conductivity is 1000-2800mu s / cm, the PH value is 4.0-6.5, and the proportion of water to the alcohol-free fountain solution is 4%-8%; s2, an anilox roller is used for online glazing, a local glazing process is adopted according to different varieties of patterns and characters, and the gloss oil flow is 35-50 S; s3, reducing the corrugation rate of the single-sided corrugated board, reducing the tooth height and increasing the corrugation number by adopting a B-pit corrugation type corrugating roller, and processing and manufacturing the corrugated paper and the craft paper into a two-layer corrugated board by using the corrugating roller; and S4, mounting the printed and polished 170g / m < 2 > coated white craft paper and a two-layer corrugated board into a three-layer paperboard, drying the mounted three-layer paperboard by using an air suction drying process, and finally performing die cutting to obtain a finished product carton. The carton has the advantages of reducing the weight of the carton, being environment-friendly and reducing the production cost.

Description

Technical Field

[0001] The invention relates to the technical field of beer cartons, and in particular to a beer carton manufacturing process. Background Art

[0002] Beer cartons are cartons specially used for packaging beer. They have multiple functions such as protecting beer, facilitating transportation and storage, and promoting sales. They are usually made of high-quality corrugated cardboard, which is made of multiple layers of paper and has good compression resistance, tear resistance and moisture resistance.

[0003] The existing beer cartons are printed on coated white kraft paper, glazed, and laminated with two layers of corrugated paperboard to form three layers of paperboard, and finally cut into finished cartons. It uses 200g / ㎡ coated white kraft paper for printing, which is heavy in weight. It uses a high corrugation rate paperboard production process, which consumes a lot of corrugated paper per unit length, and the cost of raw materials for paper guides is high. It uses an alcohol fountain solution offset printing process, which evaporates quickly, is flammable and explosive, and is highly toxic. It has high harmful emissions of volatile organic compounds (VOCs), which not only pollutes the environment and is harmful to the human body, but is also not environmentally friendly, and the fountain solution production cost is high.

[0004] Therefore, a beer carton manufacturing process is provided to address the deficiencies in the prior art. Summary of the invention

[0005] In order to overcome the deficiencies of the prior art, the present invention provides a beer carton manufacturing process, aiming to solve the problems of heavy cartons, high production costs and environmental pollution.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A beer carton manufacturing process comprises the following steps: S1: Printing: Use alcohol-free fountain solution to print 170g / ㎡ coated white kraft paper. The temperature of the alcohol-free fountain solution is 8℃-15℃, the conductivity is 1000μs / cm-2800μs / cm, the pH value is 4.0-6.5, and the ratio of water to alcohol-free fountain solution is 4%-8%; S2: Glazing: Use anilox roller to glaze online, and adopt local glazing process according to different patterns and texts. The varnish flow rate is 35S-50S; S3: Making corrugated cardboard: using B-corrugated corrugated rollers to reduce the corrugation rate of single-sided corrugated cardboard, reduce the tooth height, increase the number of corrugations, and use corrugated rollers to process corrugated paper and kraft paper into two-layer corrugated cardboard; S4: Composite molding: The printed and glazed 170g / ㎡ coated white-faced kraft paper and the two-layer corrugated cardboard are laminated into three-layer cardboard, and the laminated three-layer cardboard is dried by suction drying process, and finally cut into finished carton.

[0007] As a further improvement of the technical solution of the present invention, in step S1, the pH value and conductivity of the alcohol-free water tank liquid are measured, and the water is replaced after the conductivity upper limit is reached.

[0008] As a further improvement of the technical solution of the present invention, in step S2, the anilox roller is an 80-mesh anilox roller.

[0009] As a further improvement of the technical solution of the present invention, in step S2, a friction instrument is used to rub the surface of the oiled coated white kraft paper back and forth to detect the friction resistance of the ink.

[0010] As a further improvement of the technical solution of the present invention, in step S3, the corrugation ratio is 1.389, the tooth height is 2.72, and the number of corrugations is 48 / 300 mm.

[0011] As a further improvement of the technical solution of the present invention, in step S3, the flute type of the corrugated paperboard is UV-V type.

[0012] As a further improvement of the technical solution of the present invention, in step S3, the corrugated paper is 120g / ㎡ high-strength corrugated paper, and the kraft paper is 160g / ㎡ kraft paper.

[0013] As a further improvement of the technical solution of the present invention, in step S3, a plant adhesive is coated between the corrugated paper and the kraft paper.

[0014] As a further improvement of the technical solution of the present invention, in step S4, a suction drying process is used to directly extract the moisture volatilized from the cardboard to the outdoors, and the suction time is: ≥3 minutes in normal days and ≥5 minutes in humid weather.

[0015] Compared with the prior art, the present invention has the following beneficial effects: In the beer carton manufacturing process of the present invention, 170g / ㎡ coated white kraft paper is used for printing, and the material cost of the coated white kraft paper is reduced by 15%; alcohol-free fountain solution is used, no harmful substances are volatilized, and the environment is protected; the 80 anilox roller local connection glazing process is used to improve the friction resistance of the ink and reduce the consumption of varnish, and the unit consumption of varnish is reduced by about 49.7%; the corrugation rate of the corrugated roller is reduced, and the cost of corrugated paper materials is reduced by about 1%. At the same time, the finished beer carton parameters still meet the standards: bursting strength ≥0.60Mpa, edge pressure strength ≥3.0kN / m, carton thickness ≥3mm, whole box compression resistance bottle ≥100kg, can ≥70kg, meet customer use requirements and reduce carton production costs. The present beer carton manufacturing process has the characteristics of reducing carton weight, environmental protection, and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The technology of the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: Figure 1 It is a cross-sectional view of a beer carton of the present invention.

[0017] In the figure: 1. Coated white kraft paper; 2. Corrugated paper; 3. Kraft paper. DETAILED DESCRIPTION The concept, specific structure and technical effects of the present invention will be clearly and completely described below in combination with the embodiments and drawings to fully understand the purpose, scheme and effect of the present invention.

[0018] Reference Figure 1 As shown, a beer carton manufacturing process comprises the following steps: S1: Printing: Use alcohol-free dampening solution to print 170g / ㎡ coated white kraft paper. The temperature of the alcohol-free dampening solution is 8℃-15℃, the conductivity is 1000μs / cm-2800μs / cm, the pH value is 4.0-6.5, and the ratio of water to alcohol-free water fountain solution is 4%-8%; S2: Glazing: Use 80 mesh anilox roller for online glazing, and adopt local glazing process according to different patterns and texts, with varnish flow rate of 35S-50S; S3: Making corrugated cardboard: using B-corrugated corrugated rollers to reduce the corrugation rate of single-sided corrugated cardboard, reduce the tooth height, increase the number of corrugations, and use corrugated rollers to process corrugated paper and kraft paper into two-layer corrugated cardboard; S4: Composite molding: The printed and glazed 170g / ㎡ coated white-faced kraft paper and the two-layer corrugated cardboard are laminated into three-layer cardboard, and the laminated three-layer cardboard is dried by suction drying process, and finally cut into finished carton.

[0019] Among them, 170g / ㎡ coated white kraft paper is used for printing, and the material cost of coated white kraft paper is reduced by 15%; alcohol-free fountain solution is used, no harmful substances are volatilized, and the environment is protected; the 80 anilox roller partial connection glazing process is used to improve the friction resistance of ink and reduce the consumption of varnish, and the unit consumption of varnish is reduced by about 49.7%; the corrugation rate of corrugated roller is reduced, and the cost of corrugated paper materials is reduced by about 1%. At the same time, the parameters of the finished beer carton still meet the standards: bursting strength ≥0.60Mpa, edge pressure strength ≥3.0kN / m, carton thickness ≥3mm, whole box compression resistance bottle ≥100kg, can ≥70kg, meet customer requirements while reducing carton production costs. This beer carton manufacturing process has the characteristics of reducing carton weight, environmental protection, and reducing production costs.

[0020] In one embodiment, in step S1, the raw material cost is reduced by using 170g / ㎡ coated white-top kraft paper instead of 200g / ㎡ coated white-top kraft paper.

[0021] In one embodiment, in step S1, the pH value and conductivity of the alcohol-free fountain solution are measured at least once per shift, and the water is changed when the conductivity upper limit is reached, depending on the printing effect of the alcohol-free fountain solution and the cleanliness of the water tank.

[0022] In one embodiment, in step S2, the anilox roller is an 80-mesh anilox roller, which replaces the 100-mesh anilox roller for online glazing, thereby reducing the unit consumption of varnish. At the same time, a local glazing process is adopted, and the unit consumption of varnish is reduced by 49.7%.

[0023] In one embodiment, in step S2, a friction instrument is used to rub back and forth on the glazed surface of the coated white kraft paper to test the friction resistance of the ink. Compared with the previous friction instrument rubbing back and forth 43 times without fading, the color resistance is improved to 400 times without fading, and the friction resistance is improved by 830%.

[0024] In one embodiment, in step S3, the corrugation rate is 1.389, the tooth height is 2.72, and the number of flutes is 48 / 300mm. Preferably, the flute type of the corrugated roller is changed from BC pit to B pit, the tooth height is changed from 3.15mm to 2.72mm, and the number of flutes is changed from 45 / 300mm to 48 / 300mm. The increase in the number of flutes enhances the bonding strength of the cardboard, making the cardboard harder, so that the carton can protect the beer from damage. The corrugation rate is an important parameter in the carton packaging industry. It describes the length change of corrugated paper during the processing process. By changing the corrugation rate from 1.445 to 1.389, the consumption of corrugated paper per unit length of corrugated cardboard is reduced, and the cost of corrugated cardboard raw materials is reduced.

[0025] In one embodiment, in step S3, the corrugated paperboard is UV-V-shaped, which reduces the amount of glue and glue consumption while ensuring the bonding strength of the paperboard. At the same time, the UV-V-shaped paperboard has stronger compression resistance and is not easy to deform. The corrugated paper is 120g / ㎡ high-strength corrugated paper, and the kraft paper is 160g / ㎡ kraft paper, and a plant adhesive is applied between the corrugated paper and the kraft paper.

[0026] In one embodiment, in step S4, due to the use of the blowing drying process, the volatilized water flows back, making it difficult to dry the cardboard, resulting in the cardboard being soft. By using the suction drying process, the volatilized water of the cardboard is directly pumped outdoors to solve the problem of the cardboard being soft. Suction time: ≥3 minutes on normal days, ≥5 minutes on humid weather.

[0027] For other contents of the beer carton manufacturing process described in the present invention, please refer to the prior art and will not be described in detail here.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Therefore, any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A beer carton manufacturing process, characterized in that: The following steps are involved: S1: Printing: Use alcohol-free fountain solution to print 170g / ㎡ coated white kraft paper. The temperature of the alcohol-free fountain solution is 8℃-15℃, the conductivity is 1000μs / cm-2800μs / cm, the pH value is 4.0-6.5, and the ratio of water to alcohol-free fountain solution is 4%-8%; S2: Glazing: Use anilox roller to glaze online, and adopt local glazing process according to different patterns and texts. The varnish flow rate is 35S-50S; S3: Making corrugated cardboard: using B-corrugated corrugated rollers to reduce the corrugation rate of single-sided corrugated cardboard, reduce the tooth height, increase the number of corrugations, and use corrugated rollers to process corrugated paper and kraft paper into two-layer corrugated cardboard; S4: Composite molding: The printed and glazed 170g / ㎡ coated white-faced kraft paper and the two-layer corrugated cardboard are laminated into three-layer cardboard, and the laminated three-layer cardboard is dried by suction drying process, and finally cut into finished carton.

2. A beer carton manufacturing process according to claim 1, characterized in that: In step S1, the pH value and conductivity of the alcohol-free water tank liquid are measured, and the water is replaced when the conductivity upper limit is reached.

3. A beer carton manufacturing process according to claim 1, characterized in that: In step S2, the anilox roller is an 80-mesh anilox roller.

4. A beer carton manufacturing process according to claim 1, characterized in that: In step S2, a friction instrument is used to rub the surface of the oiled coated white kraft paper back and forth to detect the friction resistance of the ink.

5. A beer carton manufacturing process according to claim 1, characterized in that: In step S3, the corrugation ratio is 1.389, the tooth height is 2.72, and the number of corrugations is 48 / 300 mm.

6. A beer carton manufacturing process according to claim 1, characterized in that: In step S3, the flute type of the corrugated paperboard is UV-V type.

7. A beer carton manufacturing process according to claim 1, characterized in that: In step S3, the corrugated paper is 120g / ㎡ high-strength corrugated paper, and the kraft paper is 160g / ㎡ kraft paper.

8. A beer carton manufacturing process according to claim 1, characterized in that: In step S3, a plant adhesive is applied between the corrugated paper and the kraft paper.

9. A beer carton manufacturing process according to claim 1, characterized in that: In step S4, a suction drying process is used to directly extract the moisture volatilized from the cardboard to the outdoors. The suction time is: ≥3 minutes in normal days and ≥5 minutes in humid weather.

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