CN108909047A - A kind of processing technology of corrugated sheet - Google Patents
A kind of processing technology of corrugated sheet Download PDFInfo
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- CN108909047A CN108909047A CN201810722973.4A CN201810722973A CN108909047A CN 108909047 A CN108909047 A CN 108909047A CN 201810722973 A CN201810722973 A CN 201810722973A CN 108909047 A CN108909047 A CN 108909047A
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- Prior art keywords
- stupefied
- paper
- corrugated
- single face
- corrugated board
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- 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
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of processing technologys of corrugated sheet, include the following steps：S1, facial tissue, inner paper and core paper are preheated by preheating machine respectively；S2, facial tissue is immersed in waterproofing agent for paper, dries, obtains waterproof facial tissue；S3, new core paper rise it is stupefied, obtain corrugated paper；S4, paper in the stupefied corrugated paper of B and one layer is bonded, obtains the stupefied single face corrugated board of B；S5, paper in the stupefied corrugated paper of A and one layer is bonded, obtains the stupefied single face corrugated board of A；S6, the stupefied single face corrugated board of B and the stupefied single face corrugated board of first layer A are bonded, then is bonded with the stupefied single face corrugated board of second layer A, and so on, until reaching the required number of plies；S7, the stupefied single face corrugated board of B and waterproof facial tissue are bonded, is cut machine-cut in length and breadth and broken, through hot plate drying machine drying, obtains semi-finished product multilayer corrugated sheet；S8, semi-finished product multilayer corrugated sheet is cooled down, multilayer corrugated sheet is made and improves the intensity of corrugated sheet under the same number of plies, be conducive to the intensity bottleneck for breaking through corrugated sheet.
Description
Technical field
The present invention relates to corrugated sheet manufacturing technology field more particularly to a kind of processing technologys of corrugated sheet.
Background technique
Corrugated paper is the plate object being bonded by the corrugated paper of sheet lining and the waveform formed by corrugated roller processing,
Be generally divided into two class of single wall corrugated board and double-layer corrugated cardboard, corrugated paper have at low cost, light weight, processing easily, intensity is big, printing
The advantages that adaptability sample is excellent, storage convenient in carrying, 80% or more corrugated paper can by reclaiming, can be used as food or
The packaging of digital product, relatively environment-friendly, use is relatively broad.
Chinese patent CN103225227A discloses a kind of processing technology of high-strength corrugated board, and the technique is at output
The more traditional paper intensity of paper increases, but as traditional corrugated board, the corrugation of each layer of corrugated paper is all parallel
, it is unfavorable for the promotion of corrugated paper intensity, and if to obtain preferable waterproof performance, fluting medium and boxboard will be selected
With whole wood pulp waterproof U.S. craft paper, many costs are increased.
Therefore, we have proposed a kind of processing technologys of corrugated sheet for solving the above problems.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of processing work of the corrugated sheet proposed
Skill.
A kind of processing technology of corrugated sheet, includes the following steps：
S1, facial tissue, inner paper and core paper are preheated by preheating machine respectively；
S2, facial tissue is immersed in waterproofing agent for paper, is pulled out, be placed on automatic paper feeder top, be sent into inside dryer, heating
It is parched to waterproofing agent for paper, obtains waterproof facial tissue；
S3, the top that core paper is placed on to automatic paper feeder, be sent into corrugation machining, heating, by Corrugator roller by new core paper it is stupefied,
Corrugated paper, process that A is stupefied and the stupefied two kinds of corrugated paper of B respectively；
S4, the one side of the stupefied corrugated paper of B is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of B；
S5, the one side of the stupefied corrugated paper of A is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of A；
S6, the stupefied single face corrugated board of B and the stupefied single face corrugated board of A are cut into machine-cut in length and breadth broken, square is cut into, then by the stupefied single side of B
The one side of paper coats adhesive through glue spreader in corrugated sheet, bonds with the one side of the stupefied single face corrugated board corrugated paper of first layer A, then will
The one side of paper coats adhesive through glue spreader in the stupefied single face corrugated board of first layer A, with the stupefied single face corrugated board corrugated paper of second layer A
It bonds on one side, and so on, until reaching the required number of plies；
S7, the one side of the stupefied single face corrugated board corrugated paper of B is coated into adhesive through glue spreader, bonds with waterproof facial tissue, is cut in length and breadth
Machine, through hot plate drying machine drying, obtains semi-finished product multilayer corrugation by the cutting of the gap of the stupefied single face corrugated board of B and the stupefied single face corrugated board of A
Plate；
S8, semi-finished product multilayer corrugated sheet natural cooling is formed, and is dried with blower, evaporate its contained humidity, multilayer is made
Corrugated sheet.
Preferably, the time that the facial tissue impregnates in waterproofing agent for paper be 2min-5min, and soaking temperature be 15 DEG C-
35 DEG C, drying temperature is 45 DEG C -75 DEG C.
Preferably, heating temperature of the core paper inside Corrugating Machine is 160~180 DEG C, and A is stupefied and the stupefied two types of B
Corrugated paper ratio be 2:1,3:1 or 4:1.
Preferably, described adhesive is one or more of carboxymethyl cellulose, polyvinyl alcohol and dextrin.
Preferably, the corrugation of the stupefied single face corrugated board of first layer A and the corrugation of the stupefied single face corrugated board of B are vertical, and second
The corrugation of the layer stupefied single face corrugated board of A and the corrugation of the stupefied single face corrugated board of first layer A are vertical, and so on, adjacent two corrugated plate
Corrugation is vertical.
Preferably, the drying temperature of the hot plate dryer is 50 DEG C -85 DEG C, and drying time is 5min to 20min.
The beneficial effects of the invention are as follows：
1, present invention employs the orthogonal structures of the corrugation of adjacent two layers corrugated paper, under the same number of plies, improve watt
The intensity of stupefied plate is conducive to the intensity bottleneck for breaking through corrugated sheet.
2, the present invention by facial tissue through water-proofing treatment by way of, make corrugated sheet have waterproof performance, be not required to whole selection
Expensive material, has saved cost.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment one：
A kind of processing technology of corrugated sheet, includes the following steps：
S1, facial tissue, inner paper and core paper are preheated by preheating machine respectively；
S2, facial tissue is immersed in waterproofing agent for paper, is pulled out, be placed on automatic paper feeder top, be sent into inside dryer, heating
It is parched to waterproofing agent for paper, obtains waterproof facial tissue；
S3, the top that core paper is placed on to automatic paper feeder, be sent into corrugation machining, heating, by Corrugator roller by new core paper it is stupefied,
Corrugated paper, process that A is stupefied and the stupefied two kinds of corrugated paper of B respectively；
S4, the one side of the stupefied corrugated paper of B is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of B；
S5, the one side of the stupefied corrugated paper of A is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of A；
S6, the stupefied single face corrugated board of B and the stupefied single face corrugated board of A are cut into machine-cut in length and breadth broken, square is cut into, then by the stupefied single side of B
The one side of paper coats adhesive through glue spreader in corrugated sheet, bonds with the one side of the stupefied single face corrugated board corrugated paper of first layer A, then will
The one side of paper coats adhesive through glue spreader in the stupefied single face corrugated board of first layer A, with the stupefied single face corrugated board corrugated paper of second layer A
It bonds on one side, inner paper and totally 6 layers of corrugated paper；
S7, the one side of the stupefied single face corrugated board corrugated paper of B is coated into adhesive through glue spreader, bonds with waterproof facial tissue, is cut in length and breadth
Machine, through hot plate drying machine drying, obtains semi-finished product multilayer corrugation by the cutting of the gap of the stupefied single face corrugated board of B and the stupefied single face corrugated board of A
Plate；
S8, semi-finished product multilayer corrugated sheet natural cooling is formed, and is dried with blower, evaporate its contained humidity, multilayer is made
Corrugated sheet.
In the present invention, the time that facial tissue impregnates in waterproofing agent for paper is 3min, and soaking temperature is 30 DEG C, drying temperature
It is 50 DEG C, heating temperature of the core paper inside Corrugating Machine is 170 DEG C, and the stupefied ratio with the stupefied two kinds of corrugated paper of B of A is 2:
1, adhesive is one or more of carboxymethyl cellulose, polyvinyl alcohol and dextrin, the corrugation of the stupefied single face corrugated board of first layer A
It is vertical with the corrugation of the stupefied single face corrugated board of B, and the corrugation of the stupefied single face corrugated board of second layer A and the stupefied single face corrugated board of first layer A
Corrugation is vertical, and the drying temperature of hot plate dryer is 50 DEG C, and drying time is 5min.
Embodiment two：
A kind of processing technology of corrugated sheet, includes the following steps：
S1, facial tissue, inner paper and core paper are preheated by preheating machine respectively；
S2, facial tissue is immersed in waterproofing agent for paper, is pulled out, be placed on automatic paper feeder top, be sent into inside dryer, heating
It is parched to waterproofing agent for paper, obtains waterproof facial tissue；
S3, the top that core paper is placed on to automatic paper feeder, be sent into corrugation machining, heating, by Corrugator roller by new core paper it is stupefied,
Corrugated paper, process that A is stupefied and the stupefied two kinds of corrugated paper of B respectively；
S4, the one side of the stupefied corrugated paper of B is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of B；
S5, the one side of the stupefied corrugated paper of A is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of A；
S6, the stupefied single face corrugated board of B and the stupefied single face corrugated board of A are cut into machine-cut in length and breadth broken, square is cut into, then by the stupefied single side of B
The one side of paper coats adhesive through glue spreader in corrugated sheet, bonds with the one side of the stupefied single face corrugated board corrugated paper of first layer A, then will
The one side of paper coats adhesive through glue spreader in the stupefied single face corrugated board of first layer A, with the stupefied single face corrugated board corrugated paper of second layer A
It bonds on one side, inner paper and totally 8 layers of corrugated paper；
S7, the one side of the stupefied single face corrugated board corrugated paper of B is coated into adhesive through glue spreader, bonds with waterproof facial tissue, is cut in length and breadth
Machine, through hot plate drying machine drying, obtains semi-finished product multilayer corrugation by the cutting of the gap of the stupefied single face corrugated board of B and the stupefied single face corrugated board of A
Plate；
S8, semi-finished product multilayer corrugated sheet natural cooling is formed, and is dried with blower, evaporate its contained humidity, multilayer is made
Corrugated sheet.
In the present invention, the time that facial tissue impregnates in waterproofing agent for paper is 3min, and soaking temperature is 30 DEG C, drying temperature
It is 50 DEG C, heating temperature of the core paper inside Corrugating Machine is 170 DEG C, and the stupefied ratio with the stupefied two kinds of corrugated paper of B of A is 3:
1, adhesive is one or more of carboxymethyl cellulose, polyvinyl alcohol and dextrin, the corrugation of the stupefied single face corrugated board of first layer A
It is vertical with the corrugation of the stupefied single face corrugated board of B, and the corrugation of the stupefied single face corrugated board of second layer A and the stupefied single face corrugated board of first layer A
Corrugation is vertical, and so on, the corrugation of adjacent two corrugated plate is vertical, and the drying temperature of hot plate dryer is 50 DEG C, and when drying
Between be 5min.
Embodiment three：
A kind of processing technology of corrugated sheet, includes the following steps：
S1, facial tissue, inner paper and core paper are preheated by preheating machine respectively；
S2, facial tissue is immersed in waterproofing agent for paper, is pulled out, be placed on automatic paper feeder top, be sent into inside dryer, heating
It is parched to waterproofing agent for paper, obtains waterproof facial tissue；
S3, the top that core paper is placed on to automatic paper feeder, be sent into corrugation machining, heating, by Corrugator roller by new core paper it is stupefied,
Corrugated paper, process that A is stupefied and the stupefied two kinds of corrugated paper of B respectively；
S4, the one side of the stupefied corrugated paper of B is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of B；
S5, the one side of the stupefied corrugated paper of A is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of A；
S6, the stupefied single face corrugated board of B and the stupefied single face corrugated board of A are cut into machine-cut in length and breadth broken, square is cut into, then by the stupefied single side of B
The one side of paper coats adhesive through glue spreader in corrugated sheet, bonds with the one side of the stupefied single face corrugated board corrugated paper of first layer A, then will
The one side of paper coats adhesive through glue spreader in the stupefied single face corrugated board of first layer A, with the stupefied single face corrugated board corrugated paper of second layer A
It bonds on one side, inner paper and totally 8 layers of corrugated paper；
S7, the one side of the stupefied single face corrugated board corrugated paper of B is coated into adhesive through glue spreader, bonds with waterproof facial tissue, is cut in length and breadth
Machine, through hot plate drying machine drying, obtains semi-finished product multilayer corrugation by the cutting of the gap of the stupefied single face corrugated board of B and the stupefied single face corrugated board of A
Plate；
S8, semi-finished product multilayer corrugated sheet natural cooling is formed, and is dried with blower, evaporate its contained humidity, multilayer is made
Corrugated sheet.
In the present invention, the time that facial tissue impregnates in waterproofing agent for paper is 3min, and soaking temperature is 30 DEG C, drying temperature
It is 50 DEG C, heating temperature of the core paper inside Corrugating Machine is 170 DEG C, and the stupefied ratio with the stupefied two kinds of corrugated paper of B of A is 3:
1, adhesive is one or more of carboxymethyl cellulose, polyvinyl alcohol and dextrin, the corrugation of the stupefied single face corrugated board of first layer A
It is vertical with the corrugation of the stupefied single face corrugated board of B, and the corrugation of the stupefied single face corrugated board of second layer A and the stupefied single face corrugated board of first layer A
Corrugation is vertical, and so on, the corrugation of adjacent two corrugated plate is vertical, and the drying temperature of hot plate dryer is 80 DEG C, and when drying
Between be 20min.
Example IV：
A kind of processing technology of corrugated sheet, includes the following steps：
S1, facial tissue, inner paper and core paper are preheated by preheating machine respectively；
S2, facial tissue is immersed in waterproofing agent for paper, is pulled out, be placed on automatic paper feeder top, be sent into inside dryer, heating
It is parched to waterproofing agent for paper, obtains waterproof facial tissue；
S3, the top that core paper is placed on to automatic paper feeder, be sent into corrugation machining, heating, by Corrugator roller by new core paper it is stupefied,
Corrugated paper, process that A is stupefied and the stupefied two kinds of corrugated paper of B respectively；
S4, the one side of the stupefied corrugated paper of B is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of B；
S5, the one side of the stupefied corrugated paper of A is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of A；
S6, the stupefied single face corrugated board of B and the stupefied single face corrugated board of A are cut into machine-cut in length and breadth broken, square is cut into, then by the stupefied single side of B
The one side of paper coats adhesive through glue spreader in corrugated sheet, bonds with the one side of the stupefied single face corrugated board corrugated paper of first layer A, then will
The one side of paper coats adhesive through glue spreader in the stupefied single face corrugated board of first layer A, with the stupefied single face corrugated board corrugated paper of second layer A
It bonds on one side, inner paper and totally 10 layers of corrugated paper；
S7, the one side of the stupefied single face corrugated board corrugated paper of B is coated into adhesive through glue spreader, bonds with waterproof facial tissue, is cut in length and breadth
Machine, through hot plate drying machine drying, obtains semi-finished product multilayer corrugation by the cutting of the gap of the stupefied single face corrugated board of B and the stupefied single face corrugated board of A
Plate；
S8, semi-finished product multilayer corrugated sheet natural cooling is formed, and is dried with blower, evaporate its contained humidity, multilayer is made
Corrugated sheet.
In the present invention, the time that facial tissue impregnates in waterproofing agent for paper is 3min, and soaking temperature is 30 DEG C, drying temperature
It is 50 DEG C, heating temperature of the core paper inside Corrugating Machine is 170 DEG C, and the stupefied ratio with the stupefied two kinds of corrugated paper of B of A is 4:
1, adhesive is one or more of carboxymethyl cellulose, polyvinyl alcohol and dextrin, the corrugation of the stupefied single face corrugated board of first layer A
It is vertical with the corrugation of the stupefied single face corrugated board of B, and the corrugation of the stupefied single face corrugated board of second layer A and the stupefied single face corrugated board of first layer A
Corrugation is vertical, and so on, the corrugation of adjacent two corrugated plate is vertical, and the drying temperature of hot plate dryer is 50 DEG C, and when drying
Between be 5min.
Embodiment five：
A kind of processing technology of corrugated sheet, includes the following steps：
S1, facial tissue, inner paper and core paper are preheated by preheating machine respectively；
S2, facial tissue is immersed in waterproofing agent for paper, is pulled out, be placed on automatic paper feeder top, be sent into inside dryer, heating
It is parched to waterproofing agent for paper, obtains waterproof facial tissue；
S3, the top that core paper is placed on to automatic paper feeder, be sent into corrugation machining, heating, by Corrugator roller by new core paper it is stupefied,
Corrugated paper, process that A is stupefied and the stupefied two kinds of corrugated paper of B respectively；
S4, the one side of the stupefied corrugated paper of B is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of B；
S5, the one side of the stupefied corrugated paper of A is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of A；
S6, the stupefied single face corrugated board of B and the stupefied single face corrugated board of A are cut into machine-cut in length and breadth broken, square is cut into, then by the stupefied single side of B
The one side of paper coats adhesive through glue spreader in corrugated sheet, bonds with the one side of the stupefied single face corrugated board corrugated paper of first layer A, then will
The one side of paper coats adhesive through glue spreader in the stupefied single face corrugated board of first layer A, with the stupefied single face corrugated board corrugated paper of second layer A
It bonds on one side, inner paper and totally 10 layers of corrugated paper；
S7, the one side of the stupefied single face corrugated board corrugated paper of B is coated into adhesive through glue spreader, bonds with waterproof facial tissue, is cut in length and breadth
Machine, through hot plate drying machine drying, obtains semi-finished product multilayer corrugation by the cutting of the gap of the stupefied single face corrugated board of B and the stupefied single face corrugated board of A
Plate；
S8, semi-finished product multilayer corrugated sheet natural cooling is formed, and is dried with blower, evaporate its contained humidity, multilayer is made
Corrugated sheet.
In the present invention, the time that facial tissue impregnates in waterproofing agent for paper is 3min, and soaking temperature is 30 DEG C, drying temperature
It is 50 DEG C, heating temperature of the core paper inside Corrugating Machine is 170 DEG C, and the stupefied ratio with the stupefied two kinds of corrugated paper of B of A is 4:
1, adhesive is one or more of carboxymethyl cellulose, polyvinyl alcohol and dextrin, the corrugation of the stupefied single face corrugated board of first layer A
It is vertical with the corrugation of the stupefied single face corrugated board of B, and the corrugation of the stupefied single face corrugated board of second layer A and the stupefied single face corrugated board of first layer A
Corrugation is vertical, and so on, the corrugation of adjacent two corrugated plate is vertical, and the drying temperature of hot plate dryer is 80 DEG C, and when drying
Between be 20min.
The compression strength of carton made of corrugated sheet of the above-described embodiment one to embodiment five is detected, the rule of carton
Lattice are unified for 350mm × 310mm × 180mm, and testing result is as follows：
| Embodiment | Embodiment one | Embodiment two | Embodiment three | Example IV | Embodiment five |
| Compression strength（N） | 5480 | 7302 | 7545 | 9263 | 9483 |
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of processing technology of corrugated sheet, which is characterized in that include the following steps：
S1, facial tissue, inner paper and core paper are preheated by preheating machine respectively；
S2, facial tissue is immersed in waterproofing agent for paper, is pulled out, be placed on automatic paper feeder top, be sent into inside dryer, heating
It is parched to waterproofing agent for paper, obtains waterproof facial tissue；
S3, the top that core paper is placed on to automatic paper feeder, be sent into corrugation machining, heating, by Corrugator roller by new core paper it is stupefied,
Corrugated paper, process that A is stupefied and the stupefied two kinds of corrugated paper of B respectively；
S4, the one side of the stupefied corrugated paper of B is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of B；
S5, the one side of the stupefied corrugated paper of A is coated into adhesive through glue spreader, and with one layer in paper bond, obtain the stupefied single face corrugated board of A；
S6, the stupefied single face corrugated board of B and the stupefied single face corrugated board of A are cut into machine-cut in length and breadth broken, square is cut into, then by the stupefied single side of B
The one side of paper coats adhesive through glue spreader in corrugated sheet, bonds with the one side of the stupefied single face corrugated board corrugated paper of first layer A, then will
The one side of paper coats adhesive through glue spreader in the stupefied single face corrugated board of first layer A, with the stupefied single face corrugated board corrugated paper of second layer A
It bonds on one side, and so on, until reaching the required number of plies；
S7, the one side of the stupefied single face corrugated board corrugated paper of B is coated into adhesive through glue spreader, bonds with waterproof facial tissue, is cut in length and breadth
Machine, through hot plate drying machine drying, obtains semi-finished product multilayer corrugation by the cutting of the gap of the stupefied single face corrugated board of B and the stupefied single face corrugated board of A
Plate；
S8, semi-finished product multilayer corrugated sheet natural cooling is formed, and is dried with blower, evaporate its contained humidity, multilayer is made
Corrugated sheet.
2. a kind of processing technology of corrugated sheet according to claim 1, which is characterized in that the facial tissue is in waterproofing agent for paper
The time of middle immersion is 2min-5min, and soaking temperature is 15 DEG C -35 DEG C, and drying temperature is 45 DEG C -75 DEG C.
3. a kind of processing technology of corrugated sheet according to claim 1, which is characterized in that the core paper is inside Corrugating Machine
Heating temperature be 160~180 DEG C, and A is stupefied and the ratio of the stupefied two kinds of corrugated paper of B is 2:1,3:1 or 4:1.
4. a kind of processing technology of corrugated sheet according to claim 1, which is characterized in that described adhesive is that carboxymethyl is fine
One or more of dimension element, polyvinyl alcohol and dextrin.
5. a kind of processing technology of corrugated sheet according to claim 1, which is characterized in that the stupefied single side watt of first layer A
The corrugation of the stupefied single face corrugated board of corrugation and B of stupefied plate is vertical, and the corrugation of the stupefied single face corrugated board of second layer A and the stupefied list of first layer A
The corrugation of face corrugated sheet is vertical, and so on, the corrugation of adjacent two corrugated plate is vertical.
6. a kind of processing technology of corrugated sheet according to claim 1, which is characterized in that the drying of the hot plate dryer
Temperature is 50 DEG C -85 DEG C, and drying time is 5min to 20min.
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Application publication date: 20181130 |