CN103225227A - Processing technique for high-strength corrugated board - Google Patents
Processing technique for high-strength corrugated board Download PDFInfo
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- CN103225227A CN103225227A CN2013101293325A CN201310129332A CN103225227A CN 103225227 A CN103225227 A CN 103225227A CN 2013101293325 A CN2013101293325 A CN 2013101293325A CN 201310129332 A CN201310129332 A CN 201310129332A CN 103225227 A CN103225227 A CN 103225227A
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Abstract
The invention discloses a processing technique for a high-strength corrugated board. A corrugated board produced through the processing technique comprises at least five layers of structures; and a high-strength corrugated board with seven layers as well as a higher-strength corrugated board with more layers can be processed very reliably through the processing technique. The processing technique comprises the following steps: (1) mounting winding drums for lining paper, surface paper and corrugating medium on an automatic paper feeding rack; (2) preheating the lining paper, surface paper and corrugating medium through a preheater; (3) corrugating the corrugating medium through a single-side machine and gluing the corrugating medium to each group of surface paper to form single-side corrugated paper; (4) feeding the single-side corrugated paper into an overbridge conveyer and conveying the lining paper and the single-side corrugated paper to a multigang preheater; (5) preheating the lining paper again, then arranging the lining paper and the single-side corrugated paper to form at least five layers of corrugated paper, meanwhile feeding the corrugated paper into a glue spreader to spread glue on corrugation tops, and gluing the multiple layers of corrugated paper; (6) drying the multilayer corrugated paper on a hot plate; and (7) shaping the multilayer corrugated paper by cooling to obtain the high-strength corrugated board.
Description
Technical field
The present invention relates to a kind of processing technology of cardboard, relate in particular to the processing technology of high-intensity multi-wall corrugated board.
Background technology
Protecting forest resources, international community's common recognition of preserving the ecological environment will become the inexorable trend of domestic and international packaging industry development down for wooden packing; In for wooden packing, in light weight, collapsible because heavy corrugated board packing case has the intensity height, save memory space; Volume and wooden case relatively reduce 20%; Exempt to fumigate convenient outlet, advantages such as low cost; The use and the development prospect of therefore heavy corrugated board packing are boundless;
In order to realize the high-intensity performance of heavy corrugated board, the mode that adopts is a lot of at present; Such as in cardboard box structure, increasing load-bearing thing etc.; But the mode of generally acknowledging and effectively strengthening corrugated board intensity is for increasing the number of plies of corrugated board; The processing method of domestic and international disclosed multi-wall corrugated board is mostly continued to use the method for traditional multilayer carton at present; Along with the increase of the corrugated board number of plies and own wt, its processing method can not guarantee the quality of corrugated board; Therefore, designing the complete high slightly processing technology of corrugated board that is applicable to the production multilayer of a cover is very important.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of processing technology of high-strength corrugated board at above-mentioned deficiency of the prior art, and the corrugated board that this processing technology is produced has five-layer structure at least; Can process seven layers of corrugated board very reliably with high-intensity performance; Certainly, also can process corrugated board more multi-layered and that intensity is higher.
The technical solution adopted for the present invention to solve the technical problems is: a kind of processing technology of high-strength corrugated board comprises following steps:
(1) reel that lining paper, facial tissue and fluting medium are used is installed on the automatic paper feeding frame; Paper, facial tissue are boxboard in described, comprise paper in two groups of facial tissues, two groups of fluting mediums and one group at least;
(2) with paper, facial tissue and fluting medium in the step (1) separately by the preheater preheating;
(3) every group of fluting medium after the preheating after regulating moisture and ironing, preliminary treatment sent into single-side machine, and stupefied and be coated with and be bonded into single-faced corrugated paper with every group of facial tissue after being covered with modified adhesive through the corrugation roll-in of single-side machine; Make at least two group single-faced corrugated papers, every group of single-faced corrugated paper comprises one deck facial tissue and one deck fluting medium;
(4) single-faced corrugated paper that makes in the step (3) is sent into the overline bridge conveyer, the form undulate of carrying with bridge-type gathers and is fed forward slowly; In paper and single-faced corrugated paper be delivered to multi-joint preheater jointly;
(5) lining paper once more after the preheating, is arranged at least five layers of corrugated paper jointly with single-faced corrugated paper, sends into glue spreader simultaneously and give stupefied top gluing, then five layers of corrugated paper are delivered to multilayer and stuck with paste unit and carry out multilayer and stick with paste and close; In this step all glue all adopt with step (3) in identical modified adhesive;
(6) carry out the hot plate oven dry with sticking with paste the corrugated multilayer that closes through multilayer in the step (5);
(7) corrugated multilayer after will drying steadily moves between two canvas aprons, carries out cooling and shaping, and its contained humidity is evaporated, and makes high-strength corrugated board;
Further be: the modified adhesive that is adopted in above-mentioned steps (3) and the step (5) is for adopting the amylan of starch one polymer ultra-fine filling material ternary enhancement techniques.
Further be: the facial tissue described in the above-mentioned steps (1) is three groups, and described fluting medium is three groups, described in paper be one group;
Make three groups of single-faced corrugated papers in the step (3);
Overline bridge conveyer in the step (4) is three layers an overline bridge conveyer; Multi-joint preheater in the step (4) is the tetrad preheater;
In the step (5) lining paper after also three groups of single-faced corrugated papers are arranged, is formed seven layers of corrugated paper; It is that three groups of formulas are stuck with paste unit that multilayer in the step (5) is stuck with paste unit.
Further be: also comprise following subsequent machining technology:
The corrugated board that makes in the step (7) is cut and line ball by cutter, line-pressing machine carton size in accordance with regulations in length and breadth, be processed into a piece carton blank by two rotary cutters then, put in storage by the stacker pile at last.
Further be: the stupefied back of the corrugation roll-in of fluting medium in single-side machine forms A type or Type B wave paper in the above-mentioned steps (3).
The present invention compared with prior art has the following advantages:
The present invention by body paper, facial tissue, preheating, conveying, multiple preheating, cross technologies such as glue, bonding, dry and follow-up cardboard crosscut and stacking, realized the processing technology of at least five layers of corrugated paper; The corrugated paper that makes has high-intensity characteristics, and especially when making seven layers of corrugated paper, it has the higher intensity and the wider scope of application, can realize for wooden packing; Corrugated multilayer adopts through repeatedly preheating in manufacturing process, and is undertaken bondingly by the modified adhesive after the improvement, has packed adhesive strength; Especially when the fluting medium of selecting for use and boxboard were whole wood pulp waterproof U.S. craft paper, the high-strength corrugated board that makes had very high water proofing property; Can be smoothly by European FEFC09 waterproof test standard.
Description of drawings
Fig. 1 is a process chart of the present invention.
The specific embodiment
Below in conjunction with embodiment the specific embodiment of the invention is described:
Embodiment 1:
Fig. 1 is a kind of embodiment process chart of the present invention; It shows the production process of processing seven floor height intensity corrugated boards:
At first, the reel body paper that lining, facial tissue, corrugated paper are used is put into respectively on the automatic paper frame.Each paper web is respectively by the preheater preheating.Fluting medium enters single-side machine after preprocessor is regulated moisture and ironing, be bonded into single-faced corrugated paper with facial tissue after, the coated with adhesive stupefied through the corrugation roll-in, and the stupefied type of single-side machine can be determined on request.The single-faced corrugated paper of making is sent to three layers overline bridge conveyer, and undulate gathers and is fed forward lentamente.Arrive the tetrad preheater at last.This with three kinds of single-faced corrugated papers and come by automatic paper frame in paper line up seven layers of corrugated paper shape, send into glue spreader and give stupefied top gluing, the preheating again of lining paper.Four enter the drying device that three groups of formulas are stuck with paste unit, bonding drying together then.Cardboard after the heat bonding steadily moves between two canvas aprons, cools off, and its contained humidity is evaporated.After cardboard is made, cut and line ball by cutter, line-pressing machine carton size in accordance with regulations in length and breadth.Be processed into a piece carton blank by two rotary cutters then, form semi-finished product (sheet material) by the stacker pile at last.
Carton board a shown in Fig. 1, carton board b and carton board c are facial tissue; Carton board d is a lining paper; Facial tissue and lining paper can the selection of material paper identical with specification; Such as the waterproof craft paper.
In conjunction with the accompanying drawings the preferred embodiment for the present invention is done detailed description above, but the invention is not restricted to above-mentioned embodiment, in the ken that those of ordinary skills possessed, can also under the prerequisite that does not break away from aim of the present invention, make various variations.
Do not break away from design of the present invention and scope and can make many other changes and remodeling.Should be appreciated that to the invention is not restricted to specific embodiment, scope of the present invention is defined by the following claims.
Claims (5)
1. the processing technology of a high-strength corrugated board comprises following steps:
(1) reel that lining paper, facial tissue and fluting medium are used is installed on the automatic paper feeding frame; Paper, facial tissue are boxboard in described, comprise paper in two groups of facial tissues, two groups of fluting mediums and one group at least;
(2) with paper, facial tissue and fluting medium in the step (1) separately by the preheater preheating;
(3) every group of fluting medium after the preheating after regulating moisture and ironing, preliminary treatment sent into single-side machine, and stupefied and be coated with and be bonded into single-faced corrugated paper with every group of facial tissue after being covered with modified adhesive through the corrugation roll-in of single-side machine; Make at least two group single-faced corrugated papers, every group of single-faced corrugated paper comprises one deck facial tissue and one deck fluting medium;
(4) single-faced corrugated paper that makes in the step (3) is sent into the overline bridge conveyer, the form undulate of carrying with bridge-type gathers and is fed forward slowly; In paper and single-faced corrugated paper be delivered to multi-joint preheater jointly;
(5) lining paper once more after the preheating, is arranged at least five layers of corrugated paper jointly with single-faced corrugated paper, sends into glue spreader simultaneously and give stupefied top gluing, then five layers of corrugated paper are delivered to multilayer and stuck with paste unit and carry out multilayer and stick with paste and close; In this step all glue all adopt with step (3) in identical modified adhesive;
(6) carry out the hot plate oven dry with sticking with paste the corrugated multilayer that closes through multilayer in the step (5);
(7) corrugated multilayer after will drying steadily moves between two canvas aprons, carries out cooling and shaping, and its contained humidity is evaporated, and makes high-strength corrugated board.
2. the processing technology of a kind of high-strength corrugated board as claimed in claim 1 is characterized in that: the modified adhesive that is adopted in step (3) and the step (5) is for adopting the amylan of starch one polymer one ultra-fine filling material ternary enhancement techniques.
3. the processing technology of a kind of high-strength corrugated board as claimed in claim 1, it is characterized in that: the facial tissue described in the step (1) is three groups, described fluting medium is three groups, described in paper be one group;
Make three groups of single-faced corrugated papers in the step (3);
Overline bridge conveyer in the step (4) is three layers an overline bridge conveyer; Multi-joint preheater in the step (4) is the tetrad preheater;
In the step (5) lining paper after also three groups of single-faced corrugated papers are arranged, is formed seven layers of corrugated paper; It is that three groups of formulas are stuck with paste unit that multilayer in the step (5) is stuck with paste unit.
4. the processing technology of a kind of high-strength corrugated board as claimed in claim 1 is characterized in that: also comprise following subsequent machining technology:
The corrugated board that makes in the step (7) is cut and line ball by cutter, line-pressing machine carton size in accordance with regulations in length and breadth, be processed into a piece carton blank by two rotary cutters then, put in storage by the stacker pile at last.
5. the processing technology of a kind of high-strength corrugated board as claimed in claim 1 is characterized in that: the corrugation roll-in of fluting medium in single-side machine stupefied back formation A type or Type B wave paper in the step (3).
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| CN108179661A (en) * | 2018-01-15 | 2018-06-19 | 特耐王包装（福州）有限公司 | A kind of high-strength waterproof MULTILAYER COMPOSITE corrugated board |
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