CN101259765A - Corrugated cardboard and production method thereof - Google Patents
Corrugated cardboard and production method thereof Download PDFInfo
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- CN101259765A CN101259765A CNA2008100709455A CN200810070945A CN101259765A CN 101259765 A CN101259765 A CN 101259765A CN A2008100709455 A CNA2008100709455 A CN A2008100709455A CN 200810070945 A CN200810070945 A CN 200810070945A CN 101259765 A CN101259765 A CN 101259765A
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Abstract
The invention relates to a corrugated board and a preparation method, which relate to a paper board. The invention provides a resource-saving, automatically-produced, low-cost and eco-friendly corrugated board which has simple process and requires few production devices and the manufacturing method. The corrugated board is formed by splicing at least two flaky corrugated boards which are arranged on the same plane; the grain of the adjacent corrugated boards is arrayed in an intercrossed way. The used corrugated board is stretched and placed flat, and then sliced, parched, sorted out and arrayed; the arrayed corrugated board is delivered into a preheating pressurizing-type gumming machine; the sheet of the corrugated board is put into a cylinder press and is pressed and stuck with the internal paper; the corrugated board which is stuck with the internal paper is delivered into a rotary overpass to be turned over and then enters the gumming machine to be rubberized, stuck and compounded so as to obtain the corrugated board; then the corrugated board is delivered into a continuous microwave drying tunnel to be parched; the finished product is obtained after thickness defining, leveling, horizontally cutting and longitudinally cutting in sequence.
Description
Technical field
The present invention relates to a kind of cardboard, especially relate to a kind of corrugated board and manufacture method thereof of utilizing useless, old corrugated board to make.
Background technology
As everyone knows, corrugated board is existing to be used widely, especially is applied in the various Packaging Box.Produce corrugated board and need a large amount of papermaking mud and complicated production equipment usually, regenerated papermaking industry is energy consumption, material consumption height, one of industry that environmental pollution is serious, its contaminative mainly are that wastewater displacement is big, and the COD in the waste water, suspension, colourity, mercaptan stench are serious.Regenerated papermaking also need carry out deinking, removes photoresist, and bleaching, environmental pollution is serious.Existing papermaking is: paper---the operations such as arrangement of getting the raw materials ready-boiling-alkali recovery-washing-bleach-pull an oar-copy.The added part secondary stock that has, for example publication number is that the application for a patent for invention of CN1381646 discloses a kind of corrugated paper made of regenerated slip, its per hundred parts of weight proportions are: papermaking mud 70～80, secondary stock 15～25, adhesion agent 5～10.Its technological process is: with papermaking mud squeezing back cleaning and filtering, reenters the pond and mixes and stirs secondary stock and adhesion agent, and online squeezing after the uniform mixing, oven dry is promptly.
Along with the development of social and economic activities, produced a large amount of waste and old corrugated boards, following method is mainly adopted in the recycling of existing waste and old corrugated board, and a kind of method is that waste and old corrugated board is soaked, stirs, and makes it to become paper pulp; Another kind method is that waste and old corrugated board is soaked softening, becomes muddy, makes corrugated board again.
Publication number is the manufacture method that the application for a patent for invention of CN1502422 discloses the article shaped that a kind of corrugated board waste recovery utilizes again, it is with after the pulverizing of corrugated board waste material, tearing into the fibrous suitable big or small lamellar body of peripheral tool, add an amount of water-soluble viscose glue, insert then to be added in the model and be pressed into preset shape, treat promptly to form a procedure simply, conveniently behind the natural air drying, and the finished product of tool environmental protection ideas.
Summary of the invention
The objective of the invention is to be recycled and go up existing deficiency, but provide a kind of and economize on resources, technology is simple, the few automated production of production equipment, cost are low, the corrugated board and the manufacture method thereof of protection environment at existing waste and old corrugated board.
Corrugated board of the present invention is the splicing corrugated board that is spliced by at least 2 sheet corrugated boards that is in same level, and the lines of adjacent sheet corrugated board is staggered.
The shape of sheet corrugated board can be regular geometry or random geometries such as triangle, polygon, described polygon preferably length-width ratio is 2: 1 a rectangle, for example: the rectangle of 10cm * 5cm etc., the lines of adjacent square or rectangle sheet corrugated board are preferably vertical mutually.Described sheet corrugated board can be sheet of corrugated board that useless, old corrugated board is cut into etc.At the upper surface of the described splicing corrugated board that is spliced by at least 2 sheet corrugated boards that is in same level or/and lower surface can be provided with at least 1 laminar surface paper.The described splicing corrugated board that is spliced by at least 2 sheet corrugated boards that is in same level can be established 1～3 layer, forms single corrugated sheet, two corrugated sheet and three corrugated sheets respectively.Also can carry out compoundly as required again, the splicing line of each of compound tense layer splicing corrugated board preferably staggers.Can establish 1 layer of reinforce in the centre at least when binding at single corrugated sheet, two corrugated sheet or three corrugated sheets and the inside paper or with surperficial paper, described reinforce is string or chemical fibre etc., and described reinforce is reinforces such as wire, netted, cloth shape.
The preparation method of corrugated board of the present invention may further comprise the steps:
1) get the raw materials ready:
Useless, old corrugated board are opened, keep flat, remove being unfavorable on the corrugated board face and glue the binding that sticks and send into the slicer section after the carton staple that is unfavorable for cutting into slices, with the sheet of corrugated board oven dry, remaining waste material is return paper mill papermaking again after cutting into slices;
2) full wafer and screening:
Sheet of corrugated board after the oven dry is sent into full wafer machine full wafer, the sheet of corrugated board behind the full wafer is sent into the screening of screening machine;
3) sticking glutinous, compound:
Thickness according to design is sent the sheet of corrugated board that sequences into preheating adding pressure type gluing machine, and sheet of corrugated board enters round press and the inside letterweight is glutinous, and the corrugated board after will binding with the inside paper is sent into the rotation overline bridge, turn-over, enter the gluing machine gluing again, sticking glutinous, compound by single corrugation; Or it is sticking glutinous, compound by two watt two-sided corrugations; Or sticking glutinous, compound by three watts of two-sided corrugations, corresponding single watt of double-face corrugated board, two watts of double-face corrugated boards or the three watts of double-face corrugated boards etc. produced;
4) oven dry, leveling, fixed thick:
The single watt of double-face corrugated board of producing, two watts of double-face corrugated boards or three watts of double-face corrugated boards etc. are sent into the oven dry of continuous microwave drying tunnel, successively through fixed thick, leveling, crosscut, rip cutting, get product again.
In getting the raw materials ready, the size dimension of each piece corrugated board sheet is preferably identical.
In order to strengthen the degree of adhesion between the corrugated board sheet, can when the screening of screening machine, be coated with layer of adhesive at the edge of sheet of corrugated board, in adhesive, preferably add the paper fiber, by mass percentage, the addition of paper fiber is 20%～30% of an adhesive.Feed opening the place ahead of screening machine preferably is provided with the sheet of corrugated board rear push-rod, make sheet of corrugated board arrangement longitudinally compact, the splicing streamline of sheet of corrugated board is preferably telescopic type, before the sheet of corrugated board that sequences enters gluing machine, answer cross-direction shrinkage, it is compact that horizontal sheet of corrugated board is arranged, and preferably passes through horizontal rolling palm brush before sheet of corrugated board and surperficial paper or the inside paper are bonding, cleans adhesive surface;
The temperature of the gum outlet of gluing machine preferably is controlled at 60～70 ℃, makes rubber age glue, and binder can be selected the starch rubber for use.Sheet of corrugated board enter round press and the inside letterweight glutinous before, sheet of corrugated board is preferably carried out the bonding with the inside paper earlier, described bonding is preferably carried out single face and is binded.Corrugated board preferably passes through the surface evening device before entering gluing machine, and the adhesive of leveling preferably adds and preferably adds paper fiber or flyash, and by mass percentage, the addition of paper fiber or flyash is 20%～30% of an adhesive.Because the smooth and raw-material sheet of corrugated board of surface requirements of corrugated board is understood some out-of-flatness, preferably pass through horizontal rolling palm brush before the corrugated board process surface evening device, the cleaning adhesive surface, entering round press carries out facial tissue and presses sticking, carry out surperficial paper and the inside letterweight at the circle press and can between the adhesive surface of the adhesive surface of surperficial paper and the inside paper and corrugated board, add reinforce before sticking, form composite corrugated cardboard, can to be that string or chemical fibre etc. are any glue glutinous material to reinforce, and reinforce can be the Any shape of wire, netted, cloth shape etc.
Described fixed thick fixed thick through fixed thick roller bearing, described leveling can be through typing roller bearing cold wind leveling typing, and described crosscut can be passed through the transverse cutting unit crosscut, and described rip cutting can be passed through the slitter rip cutting.
Compare with existing corrugated board and preparation method thereof, the present invention has following outstanding advantage:
1. the protection environment is with low cost
The present invention adopts and exempts from papermaking again-regeneration corrugated board (case) manufacturing technology, utilize useless, old corrugated case as raw material, do not need papermaking again, do not need to make again corrugated board, just will give up, old corrugated case is cut into sheet of corrugated board, be arranged in sticking glutinous the forming in plane, sheet of corrugated board can adopt rectangle or random geometry, size and geometry can be according to the material of sheet of corrugated board and quality and different, thus have the recyclable regeneration of common corrugated paper, in light weight, can print, collapsible, characteristics such as shock-absorbing capacity good, cost is low.
2. rational structure increases width
Exempt from papermaking again-regeneration corrugated board (case) manufacturing technology and adopt the lines cross arrangement of sheet of corrugated board to become the sticking glutinous mode in plane, change common corrugated paper (case) and have only the corrugated paper band, do not have the shortcoming of corrugated paper longitudinal grin, strengthen the intensity of corrugated paper longitudinal grin.Owing to adopt the corrugated paper lines cross arrangement of sheet of corrugated board to become the sticking glutinous mode in plane, that width of working surface of table has is how wide, how wide the width of the inside paper, surperficial paper have, and how widely just can do.Size difference according to the design of corrugated case, can arrange the sheet that quality and intensity are higher than all the other positions at the position that needs are strengthened, after making corrugated board make corrugated case, the position that corrugated case need be strengthened can access effective reinforcement, can accomplish under the prerequisite that does not increase corrugated board thickness, weight, increase the intensity of corrugated case, this is that the technical indicator at each position of common corrugated board all is consistent can't accomplishing.Owing to adopt the corrugated paper lines cross arrangement of sheet of corrugated board to become the sticking glutinous mode in plane, when sticking glutinous sheet of corrugated board and the inside paper or surperficial paper, according to specification requirement, at sticking glutinous sheet of corrugated board and the inside paper, sticking glutinous sheet of corrugated board and surface man-hour or sticking glutinous sheet of corrugated board and the inside paper, surperficial paper one time-out horizontal, vertical, horizontal indulging together or any direction, add reinforce, reinforce can be a fiber, chemical fibres etc. are any to glue glutinous material, and reinforce can be the Any shape of wire, netted, cloth shape etc.Reinforce can be sticky in needed position by designing requirement, this be common corrugated paper manufacturing technology can't accomplish.Since adopt the corrugated board lines cross arrangement of sheet of corrugated board to become the sticking glutinous mode in plane, therefore can be according to the required width of the corrugated case of being produced.The stupefied type at each position of the corrugated board of being produced (case) is different, forms mixed watt, can effectively improve the intensity of corrugated board (case).
3. exempt from papermaking again---the sticking glutinous technical difficulty of regeneration corrugated board (case) manufacturing technology is low
Because the corrugated cases that employing is useless, old etc. are as raw material, do not need papermaking again, do not need to make again corrugated board, just will give up, old corrugated case cuts into slices, be arranged in that the plane is sticking glutinous to form,, removed papermaking in the common corrugated board production process from, produced the process of corrugated board again directly with the stupefied core of sheet of corrugated board as corrugated board, the equipment less investment can realize that mechanization produces automatically.
4. favourable environmental consciousness of cultivating its people
The user who helps corrugated case keeps employed corrugated case, strengthens environmental consciousness.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the structural representation of the embodiment of the invention 1 (single corrugated sheet).
Fig. 3 is the structural representation of the embodiment of the invention 2 (double-layer corrugated cardboard).
Fig. 4 is the internal structure schematic diagram of Fig. 3.
Fig. 5 is the structural representation of the embodiment of the invention 3 (triple wall corrugated board).
Fig. 6 is a device structure schematic diagram of the present invention.
The specific embodiment
Referring to Fig. 1 and 2, corrugated board is 1 layer of single corrugated sheet 2 of the splicing that is spliced by multi-disc sheet sheet of corrugated board 1 that is in same level, and the lines of adjacent sheet corrugated board is staggered, and the lines of adjacent rectangle sheet sheet of corrugated board is vertical mutually.Upper surface and lower surface at the splicing corrugated board are provided with at least 1 laminar surface paper 3.Can establish at least 1 layer of reinforce in the centre when single corrugated sheet and surperficial paper bind, described reinforce is string or chemical fibre etc., and described reinforce is reinforces such as wire, netted, cloth shape.In Fig. 2, code name 4 expression cementing lines.
Can carry out according to the following steps during preparation.
1) get the raw materials ready:
To give up, old corrugated board opens, keeps flat, remove the sticking glutinous binding that is unfavorable on the plate face, send into the slicer section, be cut into 10cm * 5cm rectangle sheet of corrugated board 1 (referring to Fig. 1), with sheet of corrugated board 1 oven dry, the remaining waste material in section back is return paper mill papermaking again.
2) full wafer and screening:
The equal mass after the oven dry and the sheet of corrugated board of thickness are sent into full wafer machine full wafer, the sheet of corrugated board behind the full wafer is sent into the screening of screening machine.
3) sticking glutinous, compound:
Thickness according to design is sent the sheet of corrugated board that sequences into preheating adding pressure type gluing machine, sheet of corrugated board enters round press and the inside letterweight is glutinous, corrugated board after will binding with the inside paper is sent into the rotation overline bridge, turn-over, enter the gluing machine gluing again, sticking glutinous, compound by single corrugation, the corresponding single watt of double-face corrugated board (referring to Fig. 2) of producing.
4) oven dry, leveling, fixed thick:
The single watt of double-face corrugated board of producing is sent into the oven dry of continuous microwave drying tunnel, successively through fixed thick, leveling, crosscut, rip cutting, get product again.
In getting the raw materials ready, the size dimension of each piece corrugated board sheet is identical.
Referring to Fig. 3 and 4, similar to Example 1, it is glutinous that its difference is to enter round press and the inside letterweight in sheet of corrugated board.Sheet of corrugated board is carried out the bonding with the inside paper earlier, adopts single face to bind.Corrugated board after will binding with the inside paper is sent into rotation overline bridge, turn-over.Enter the gluing machine gluing, corrugated board is through the surface evening device before entering gluing machine, the material adhesive of leveling adds an amount of paper fiber, also but adhesive adds an amount of flyash, products obtained therefrom is two watt two-sided corrugated sheets, in Fig. 3, represented identical of each code name with Fig. 2, wherein code name 5 is a inside paper.
Referring to Fig. 5, similar to Example 1, its difference is that products obtained therefrom is three watts of two-sided corrugated sheets, in Fig. 5, and represented identical of each code name with Fig. 2.
Fig. 6 provides device structure schematic diagram of the present invention, in Fig. 6, the code name of each parts thickly surely takes turns 61 for allocating, air-cooler 62, circle press 63, heating cylinder 64, gluing machine 65, guide wheel 66, regulating wheel 67, surface leveling unit 68, rotation overline bridge 69, surface paper 610, circle press 611, heating cylinder 612, scraps of paper gluing machine 613, guide wheel 614, cross-direction shrinkage groove 615, regulating wheel 616, circle is pressed circle cutting machine 617, blanking channel 618, screening machine 619, full wafer machine 620, the inside paper 621, rolling palm brush 622, sheet of corrugated board rear push-rod 623, rolling limit for height wheel 624 and continuous microwave drying tunnel 625.
In order to strengthen the degree of adhesion between the corrugated board sheet, can when the screening of screening machine, be coated with layer of adhesive at the edge of sheet of corrugated board, in adhesive, preferably add the paper fiber, by mass percentage, the addition of paper fiber is 20%～30% of an adhesive.Feed opening the place ahead of screening machine preferably is provided with the sheet of corrugated board rear push-rod, make sheet of corrugated board arrangement longitudinally compact, the splicing streamline of sheet of corrugated board is preferably telescopic type, before the sheet of corrugated board that sequences enters gluing machine, answer cross-direction shrinkage, it is compact that horizontal sheet of corrugated board is arranged, and preferably passes through horizontal rolling palm brush before sheet of corrugated board and surperficial paper or the inside paper are bonding, cleans adhesive surface;
The temperature of the gum outlet of gluing machine preferably is controlled at 60～70 ℃, makes rubber age glue, and binder can be selected the starch rubber for use.Sheet of corrugated board enter round press and the inside letterweight glutinous before, sheet of corrugated board is preferably carried out the bonding with the inside paper earlier, described bonding is preferably carried out single face and is binded.Corrugated board preferably passes through the surface evening device before entering gluing machine, and the adhesive of leveling preferably adds and preferably adds paper fiber or flyash, and by mass percentage, the addition of paper fiber or flyash is 20%～30% of an adhesive.Because the smooth and raw-material sheet of corrugated board of surface requirements of corrugated board is understood some out-of-flatness, corrugated board preferably passes through horizontal rolling palm brush through before the surperficial leveling unit, the cleaning adhesive surface, entering round press carries out facial tissue and presses sticking, carry out surperficial paper and the inside letterweight at the circle press and can between the adhesive surface of the adhesive surface of surperficial paper and the inside paper and corrugated board, add reinforce before sticking, form composite corrugated cardboard, can to be that string or chemical fibre etc. are any glue glutinous material to reinforce, and reinforce can be the Any shape of wire, netted, cloth shape etc.
Described fixed thick fixed thick through fixed thick roller bearing, described leveling can be through typing roller bearing cold wind leveling typing, and described crosscut can be passed through the transverse cutting unit crosscut, and described rip cutting can be passed through the slitter rip cutting.
Claims (10)
1. corrugated board is characterized in that the lines of adjacent sheet corrugated board is staggered in order to be in the splicing corrugated board that is spliced by at least 2 sheet corrugated boards of same level.
2. corrugated board as claimed in claim 1 is characterized in that the sheet corrugated board is triangle sheet corrugated board or polygon sheet corrugated board.
3. corrugated board as claimed in claim 2 is characterized in that described polygon is that length-width ratio is 2: 1 a rectangle.
4. corrugated board as claimed in claim 1 is characterized in that the lines of described adjacent sheet corrugated board is vertical mutually.
5. corrugated board as claimed in claim 1 is characterized in that the sheet of corrugated board that described sheet corrugated board is cut into for useless, old corrugated board.
6. corrugated board as claimed in claim 1 is characterized in that upper surface at the described splicing corrugated board that is spliced by at least 2 sheet corrugated boards that is in same level is or/and lower surface is provided with at least 1 laminar surface paper.
7. corrugated board as claimed in claim 1 is characterized in that the described splicing corrugated board that is spliced by at least 2 sheet corrugated boards that is in same level establishes 1～3 layer, forms single corrugated sheet, two corrugated sheet and three corrugated sheets respectively.
8. corrugated board as claimed in claim 7, at least establish 1 layer of reinforce when it is characterized in that binding in the centre at single corrugated sheet, two corrugated sheet or three corrugated sheets and the inside paper or with surperficial paper, described reinforce is string reinforce or chemical fibre reinforce, and described reinforce is wire reinforce, netted reinforce or cloth shape reinforce.
9. the preparation method of corrugated board as claimed in claim 1 is characterized in that may further comprise the steps:
1) get the raw materials ready:
Useless, old corrugated board are opened, keep flat, remove being unfavorable on the corrugated board face and glue the binding that sticks and send into the slicer section after the carton staple that is unfavorable for cutting into slices, with the sheet of corrugated board oven dry, remaining waste material is return paper mill papermaking again after cutting into slices;
2) full wafer and screening:
Sheet of corrugated board after the oven dry is sent into full wafer machine full wafer, the sheet of corrugated board behind the full wafer is sent into the screening of screening machine;
3) sticking glutinous, compound:
Thickness according to design is sent the sheet of corrugated board that sequences into preheating adding pressure type gluing machine, and sheet of corrugated board enters round press and the inside letterweight is glutinous, and the corrugated board after will binding with the inside paper is sent into the rotation overline bridge, turn-over, enter the gluing machine gluing again, sticking glutinous, compound by single corrugation; Or it is sticking glutinous, compound by two watt two-sided corrugations; Or sticking glutinous, compound by three watts of two-sided corrugations, corresponding single watt of double-face corrugated board, two watts of double-face corrugated boards or the three watts of double-face corrugated boards etc. produced;
4) oven dry, leveling, fixed thick:
The single watt of double-face corrugated board of producing, two watts of double-face corrugated boards or three watts of double-face corrugated boards etc. are sent into the oven dry of continuous microwave drying tunnel, successively through fixed thick, leveling, crosscut, rip cutting, get product again.
10. the preparation method of corrugated board as claimed in claim 9, it is characterized in that when the screening of screening machine, being coated with layer of adhesive at the edge of sheet of corrugated board, add the paper fiber in adhesive, by mass percentage, the addition of paper fiber is 20%～30% of an adhesive.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100709455A CN101259765A (en) | 2008-04-18 | 2008-04-18 | Corrugated cardboard and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100709455A CN101259765A (en) | 2008-04-18 | 2008-04-18 | Corrugated cardboard and production method thereof |
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| CNA2008100709455A Pending CN101259765A (en) | 2008-04-18 | 2008-04-18 | Corrugated cardboard and production method thereof |
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| US11458702B2 (en) | 2016-04-20 | 2022-10-04 | Scorrboard, Llc | System and method for producing multi-layered board having at least three mediums with at least two mediums being different |
| CN107639888A (en) * | 2016-07-22 | 2018-01-30 | 上海大松瓦楞辊有限公司 | A kind of O-shaped corrugated paper production device of carton |
| CN109591369A (en) * | 2019-01-25 | 2019-04-09 | 崔雪柯 | A kind of carton production separation line-pressing machine |
| CN109591369B (en) * | 2019-01-25 | 2020-06-02 | 佛山市恩泽纸品包装有限公司 | Carton production is with dividing paper line press |
| CN110450462A (en) * | 2019-08-29 | 2019-11-15 | 吉林大学 | Low-cost environmental-protecting recycles corrugated paper recycled paper technique |
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