CN113580658A - Corrugated box automated production assembly line - Google Patents
Corrugated box automated production assembly line Download PDFInfo
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- CN113580658A CN113580658A CN202110871286.0A CN202110871286A CN113580658A CN 113580658 A CN113580658 A CN 113580658A CN 202110871286 A CN202110871286 A CN 202110871286A CN 113580658 A CN113580658 A CN 113580658A
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- paper
- corrugated
- glue
- conveying belt
- corrugated paper
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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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/60—Uniting opposed surfaces or edges; Taping
- B31B50/62—Uniting opposed surfaces or edges; Taping by adhesives
- B31B50/624—Applying glue on blanks
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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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/006—Controlling; Regulating; Measuring; Improving safety
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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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/042—Feeding sheets or blanks using rolls, belts or chains
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/62—Rosin; Derivatives thereof
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- 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
- D21H21/50—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 form
- D21H21/52—Additives of definite length or shape
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
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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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
- B31B2105/001—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs made from laminated webs, e.g. including laminating the webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2120/00—Construction of rigid or semi-rigid containers
- B31B2120/50—Construction of rigid or semi-rigid containers covered or externally reinforced
Abstract
The invention discloses an automatic production line of corrugated cartons, which relates to the technical field of carton processing and comprises a paper mounting system for accurately bonding high-strength pressure-resistant corrugated paper and surface paper, wherein the paper mounting system sequentially comprises a paper supply device, a glue printing device and a paper feeding bonding device. The invention has the beneficial effects that: the corrugated paper is conveyed to a glue printing device through a paper supply device for glue printing, a layer of cationic high-viscosity starch glue film is coated on the surface of the corrugated paper, then the corrugated paper is conveyed to a paper feeding bonding device, the paper feeding bonding device is used for regulating the position of the corrugated paper and stopping the corrugated paper, and waiting for face paper to be bonded, in the conveying process of the face paper, as a conveying outlet of the face paper is close to the front end of the corrugated paper and the surface film of the corrugated paper has high viscosity, the front end of the face paper can be aligned and bonded with the front end of the corrugated paper under the inertia effect and is stopped by the paper feeding bonding device, then the outlet of the paper feeding bonding device is opened, and the corrugated paper and the face paper continue to advance and are bonded with each other.
Description
Technical Field
The invention relates to the technical field of carton processing, in particular to an automatic production line for corrugated cartons.
Background
Corrugated paper boxes are made of corrugated boards, are the most widely applied packaging products, have good physical and mechanical properties, decoration and printing adaptability, economical practicability and environmental protection, and are the first of various packaging products. In recent years, with the rapid development of economy and the rise of online shopping, the rapid development of industries such as logistics, printing and packaging is greatly driven, so that the demand of people for corrugated cartons is increased, but the corrugated cartons still have some defects in the production process.
In the paper mounting process, the production is carried out in a manual operation mode, so that although the laminating accuracy of the surface paper and the corrugated paper can be improved, the time and the labor are wasted, the efficiency is low, and the manual labor amount is large; when the machine is used for operation, the facial tissue and the corrugated paper are easy to be bonded inaccurately, so that the abandonment is increased, the production cost is increased, and in addition, the edge glue failure caused by the rapid absorption of the glue by the corrugated paper when the gluing amount is insufficient is caused; when the sizing amount is excessive, the moisture content of corrugated paper is high, the corrugated paper board is caused to stretch and enlarge and/or is seriously bent, the deformed box piece can cause errors of subsequent die cutting procedures, the phenomena that paper feeding of a die cutting machine is not smooth, die cutting is deviated and the like are often shown, the molded packaging box and packaging box are not normal in shape, patterns are deviated and other adverse phenomena, the appearance and the shape of products are seriously influenced, a plurality of products can be scrapped due to die cutting deviation, the rejection rate is improved, and the production cost is increased.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
Aiming at the problems that manual operation is time-consuming and labor-consuming in the paper mounting process, the efficiency is low and the manual labor amount is large in the prior art; the invention discloses an automatic production line of corrugated cartons, which comprises a paper mounting system for accurately bonding high-strength compression-resistant corrugated paper with the surface paper, wherein the paper mounting system sequentially comprises a paper supply device, a glue printing device and a paper feeding bonding device;
the paper feeding bonding device comprises a paper feeding conveying belt and a fitting mechanism, and the fitting mechanism is arranged at the tail part of the paper feeding conveying belt;
the laminating mechanism comprises a detector, a paper guiding component and a paper blocking component, the detector is positioned on one side of the tail part of the paper feeding conveying belt, the paper guiding component is positioned behind the detector, the paper blocking component is close to the tail part of the paper guiding component, the paper blocking component comprises an air cylinder and a flexible moving baffle arranged on the air cylinder, and a chute for assisting laminating is further arranged on the flexible moving baffle; the paper mounting system also comprises a facial tissue conveying device, and the tail outlet position of the facial tissue conveying device is arranged above the paper conveying belt and is close to the paper blocking component;
the glue printing device comprises a paper transfer conveying belt, a paper supporting roller and a glue coating mechanism, wherein the paper supporting roller is arranged below the central position of the paper transfer conveying belt, and the glue coating mechanism is arranged above a conveying belt body corresponding to the paper supporting roller.
The corrugated paper is conveyed to a glue printing device through a paper supply device for glue printing, a layer of cationic high-viscosity starch glue film is coated on the surface of the corrugated paper, then the corrugated paper is conveyed to a paper feeding bonding device, the paper feeding bonding device is used for regulating the position of the corrugated paper and stopping the corrugated paper, and waiting for face paper to be bonded, in the conveying process of the face paper, as a conveying outlet of the face paper is close to the front end of the corrugated paper and the surface film of the corrugated paper has high viscosity, the front end of the face paper can be aligned and bonded with the front end of the corrugated paper under the inertia effect and is stopped by the paper feeding bonding device, then the outlet of the paper feeding bonding device is opened, and the corrugated paper and the face paper continue to advance and are bonded with each other. In order to better perform the attachment, in practical operation, the paper feeding conveyor belt and the facial tissue conveyor device are often controlled to feed paper simultaneously, and the facial tissue conveyor device conveys facial tissue at a speed lower than that of the paper feeding conveyor belt.
Preferably, the paper gauge component comprises paper gauge plates and paper gauge plate driving motors which are positioned on two sides of the tail of the paper feeding conveying belt, the output end of each paper gauge plate driving motor is connected with any one of the paper gauge plates, and the other paper gauge plate is fixedly arranged on one side of the tail of the paper feeding conveying belt.
Preferably, the tail outlet area of the facial tissue conveying device is also provided with a limiting plate for preventing the facial tissue from turning and curling.
Preferably, the glue applying mechanism includes a glue applying roller and a glue applying unit provided on an outer circumference of the glue applying roller.
Preferably, the glue applying unit comprises a glue containing box for storing cationic high-viscosity starch glue and a discharge port arranged at the lower edge of the glue containing box and close to one end of the glue applying roller, one end of the discharge port close to the glue applying roller is of a scraper knife structure which inclines upwards, and the inclination angle is 15-20 degrees.
Preferably, a stirrer for enabling the cationic high-viscosity starch glue to flow, a temperature controller for maintaining the temperature of the cationic high-viscosity starch glue and an automatic pressure regulator for controlling the pressure in the box body are installed in the glue containing box.
Preferably, a turbulence strip and a sensor are installed in the discharge port, and the output end of the sensor is respectively connected with the input ends of the temperature controller and the automatic pressure regulator.
Through the automatic pressure regulator, the temperature controller and the sensor, the sensor can convey detected information during discharging, when the flow rate of the cationic high-viscosity starch colloid is low and the temperature is low, the automatic pressure regulator can increase the pressure in the glue containing box, and the temperature controller can increase the temperature in the box; when the flow rate of the cationic high-viscosity starch colloid is high and the temperature is high, the automatic pressure regulator reduces the pressure in the tank, and the temperature controller reduces the temperature in the tank; in addition, install the agitator in flourishing gluey incasement and install the vortex strip in the discharge gate for cation high viscosity starch glue can be continuous flow, avoid the colloid caking, the even uniformity of colloid is good, good mobility has, so the colloid can be continuously from flourishing gluey incasement transmit the rubber coating cylinder on the surface, and can effectually compensate the space between colloid and the rubber coating cylinder when transmitting the colloid to the rubber coating cylinder, let the even distribution of colloid on the rubber coating cylinder surface, the effectual production of avoiding the rubber coating space.
Preferably, the paper feeding device includes a paper feeding roller and a paper feeding belt cooperating with the paper feeding roller.
Preferably, the automatic production line further comprises a drying system, a flat pressing die system, a die cutting waste removing system, a box forming system and a stacking system.
Preferably, the cellulose nanocrystals, the ultrafine calcium carbonate and the organic montmorillonite modified rosin size emulsion are added in the preparation process of the high-strength compression-resistant corrugated paper. In the actual preparation process, the addition sequence of the cellulose nano-crystal and the superfine calcium carbonate is that the cellulose nano-crystal and the superfine calcium carbonate are added to react for 1-2 hours under stirring, and then the organic montmorillonite modified rosin emulsion is added.
Preferably, the mass ratio of the cellulose nanocrystal to the superfine calcium carbonate to the modified rosin gum emulsion is 1 (2-3) to 6-7.
Preferably, the total mass of the cellulose nanocrystal, the superfine calcium carbonate and the modified rosin size emulsion accounts for 6-8% of the total mass of the corrugated paper.
Preferably, the particle size of the superfine calcium carbonate is 60-100nm, and the crystal morphology of the superfine calcium carbonate is chain or sheet.
The superfine calcium carbonate crystal selected in the invention is in a chain or sheet shape, because the superfine calcium carbonate has the characteristics of filling depressions and growing along gaps, and the fiber in the slurry is a porous loose material and can provide growing and adsorption positions for the superfine calcium carbonate; the cellulose nanocrystals are connected with adjacent fibers through bridges, so that the bonding among the fibers is increased, the bonding area is increased, and the cellulose nanocrystals can be embedded into larger fibers, so that the superfine calcium carbonate and the cellulose nanocrystals can be self-assembled into a space network structure by adding the superfine calcium carbonate and the cellulose nanocrystals into the slurry, and the strength and the bearing capacity of the corrugated paper are improved.
According to the invention, the organic montmorillonite modified rosin glue emulsion is adopted, cations among montmorillonite layers increase the number of positive charges carried by the emulsion, and the free negatively charged fibers are easily adsorbed and form a tighter structure with a self-assembled space network structure, so that the stress concentration of the corrugated paper is changed, and the physical property and the mechanical property of the corrugated paper are improved.
Has the advantages that:
the technical scheme of the invention has the following beneficial effects:
(1) the corrugated paper is conveyed to a glue printing device through a paper supply device for glue printing, a layer of cationic high-viscosity starch glue film is coated on the surface of the corrugated paper, then the corrugated paper is conveyed to a paper feeding bonding device, the paper feeding bonding device is used for regulating the position of the corrugated paper and stopping the corrugated paper, and waiting for face paper to be bonded, in the conveying process of the face paper, as a conveying outlet of the face paper is close to the front end of the corrugated paper and the surface film of the corrugated paper has high viscosity, the front end of the face paper can be aligned and bonded with the front end of the corrugated paper under the inertia effect and is stopped by the paper feeding bonding device, then the outlet of the paper feeding bonding device is opened, and the corrugated paper and the face paper continue to advance and are bonded with each other.
(2) Through the automatic pressure regulator, the temperature controller and the sensor, the sensor can convey detected information during discharging, when the flow rate of the cationic high-viscosity starch colloid is low and the temperature is low, the automatic pressure regulator can increase the pressure in the glue containing box, and the temperature controller can increase the temperature in the box; when the flow rate of the cationic high-viscosity starch colloid is high and the temperature is high, the automatic pressure regulator reduces the pressure in the tank, and the temperature controller reduces the temperature in the tank; in addition, install the agitator in flourishing gluey incasement and install the vortex strip in the discharge gate for cation high viscosity starch glue can be continuous flow, avoid the colloid caking, the even uniformity of colloid is good, good mobility has, so the colloid can be continuously from flourishing gluey incasement transmit the rubber coating cylinder on the surface, and can effectually compensate the space between colloid and the rubber coating cylinder when transmitting the colloid to the rubber coating cylinder, let the even distribution of colloid on the rubber coating cylinder surface, the effectual production of avoiding the rubber coating space.
(3) The superfine calcium carbonate crystal selected in the invention is in a chain or sheet shape, because the superfine calcium carbonate has the characteristics of filling depressions and growing along gaps, and the fiber in the slurry is a porous loose material and can provide growing and adsorption positions for the superfine calcium carbonate; the cellulose nanocrystals are connected with adjacent fibers through bridges, so that the bonding among the fibers is increased, the bonding area is increased, and the cellulose nanocrystals can be embedded into larger fibers, so that the superfine calcium carbonate and the cellulose nanocrystals can be self-assembled into a space network structure by adding the superfine calcium carbonate and the cellulose nanocrystals into the slurry, and the strength and the bearing capacity of the corrugated paper are improved.
(4) According to the invention, the organic montmorillonite modified rosin glue emulsion is adopted, cations among montmorillonite layers increase the number of positive charges carried by the emulsion, and the free negatively charged fibers are easily adsorbed and form a tighter structure with a self-assembled space network structure, so that the stress concentration of the corrugated paper is changed, and the physical property and the mechanical property of the corrugated paper are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a preferred paper mounting system of the present invention;
FIG. 2 is a side view of a pasting mechanism of the preferred paper feeding and pasting device of the present invention;
FIG. 3 is a partial view of the glue applicator of the preferred laminating system of the present invention;
FIG. 4 is a flow chart of an automated production line for corrugated containers according to the present invention;
FIG. 5 is a schematic view of a preferred telescoping motor and clamping mechanism of the present invention;
FIG. 6 is an enlarged view of a portion of the preferred pinch-grip of the present invention.
In the figure:
1-a paper mounting system; 11-a paper supply device; 111-a paper feed roller; 112-a paper feed conveyor belt;
12-a glue printing device; 121-a paper transfer conveyer belt; 122-a paper supporting roller; 123-a gluing mechanism;
13-a paper feeding and binding device; 131-a paper feeding conveyer belt; 132-a laminating mechanism; 2-a drying system;
3-flattening the die system; 4-die cutting waste removing system; 5-a box forming system; 51-a telescoping motor;
52-a clamping mechanism; 521-an outer shell; 522-positive and negative rotation motor; 523-rotating gear;
524-gear plate; 525-tightening clamp; 53-a micro-motor; 54-a rotating gear; 55-pyramid part;
6-a palletizing system; 7-a gluing roller; 8-a sizing unit; 81-glue containing box; 82-a discharge hole;
821-turbulence strips; 9-a stirrer; 10-temperature controller; 14-automatic pressure regulator; 15-a detector;
16-gauge paper assembly; 161-gauge cardboard; 162-a gauge paper board drive motor; 17-a paper stop assembly;
171-cylinder; 172-a flexible moving barrier; 18-facial tissue conveyor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail and completely with reference to the examples of the present invention, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, provided in the examples, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, 2 and 4, an automatic production line of corrugated paper boxes comprises a paper pasting system 1 for accurately pasting high-strength pressure-resistant corrugated paper with surface paper, wherein the paper pasting system 1 sequentially comprises a paper supply device 11, a glue printing device 12 and a paper feeding and pasting device 13;
the paper feeding bonding device 13 comprises a paper feeding conveying belt 131 and an attaching mechanism 132, wherein the attaching mechanism 132 is arranged at the tail of the paper feeding conveying belt 131;
the attaching mechanism 132 includes a detector 15, a paper gauge assembly 16 and a paper stop assembly 17, the detector 15 is located on one side of the tail position of the paper feeding conveyor belt 131, the paper gauge assembly 16 is located behind the detector 15, the paper stop assembly 17 is close to the tail of the paper gauge assembly 16, the paper stop assembly 17 includes an air cylinder 171 and a flexible moving baffle 172 arranged on the air cylinder 171, and a chute (not shown) for assisting attaching is further arranged on the flexible moving baffle 172; the paper laminating system 1 further comprises a facial tissue conveying device 18, and the outlet position of the tail part of the facial tissue conveying device 18 is arranged above the paper conveying belt 131 and is close to the paper blocking component 17;
the glue printing device 12 comprises a paper transfer conveying belt 121, a paper supporting roller 122 and a glue coating mechanism 123, wherein the paper supporting roller 122 is arranged below the central position of the paper transfer conveying belt 121, and the glue coating mechanism 123 is arranged above a conveying belt body corresponding to the paper supporting roller 122.
The corrugated paper is conveyed to a glue printing device 12 through a paper supply device 11 for glue printing, a layer of cationic high-viscosity starch glue film is coated on the surface of the corrugated paper, then the corrugated paper is conveyed to a paper conveying bonding device 13, the paper conveying bonding device 13 is used for regulating the position of the corrugated paper and blocking the corrugated paper, and waiting for the face paper to be bonded, in the conveying process of the face paper, as a conveying outlet of the face paper is close to the front end of the corrugated paper and the surface film of the corrugated paper has high viscosity, the front end of the face paper can be aligned and bonded with the front end of the corrugated paper under the inertia effect and is blocked by the paper conveying bonding device 13, then the outlet is opened by the paper conveying bonding device 13, and the corrugated paper and the face paper continue to advance and are bonded with each other. In order to perform better attachment, in practice, the paper feeding conveyer belt 131 and the facial tissue conveyer 18 are often controlled to feed paper simultaneously, and the facial tissue conveyer 18 is usually controlled to convey facial tissue at a speed lower than that of the paper feeding conveyer belt 131.
As a preferred embodiment, the paper gauge assembly 16 includes paper gauge plates 161 and paper gauge plate driving motors 162 located at two sides of the tail of the paper feeding and conveying belt 131, an output end of the paper gauge plate driving motor 162 is connected to any one of the paper gauge plates 161, and the other paper gauge plate 161 is fixedly disposed at one side of the tail of the paper feeding and conveying belt 131.
In a more preferred embodiment, the tail outlet area of the facial tissue conveying device 18 is further provided with a limiting plate (not shown) for preventing the facial tissue from turning and curling.
As a preferred embodiment, the glue mechanism 123 includes a glue roller 7 and a glue unit 8, and the glue unit 8 is disposed on the outer circumference of the glue roller 7.
In a preferred embodiment, the sizing unit 8 comprises a glue containing tank 81 for storing cationic high-viscosity starch glue and a discharge port 82 arranged at the lower edge of the glue containing tank 81 and close to one end of the gluing roller 7, wherein the discharge port 82 is of an upward inclined scraper structure close to one end of the gluing roller 7, and the inclination angle is 15-20 degrees.
As shown in fig. 3, as a preferred embodiment, a stirrer 9 for flowing the cationic high-viscosity starch glue, a temperature controller 10 for maintaining the temperature of the cationic high-viscosity starch glue, and an automatic pressure regulator 14 for controlling the pressure in the box body are installed in the glue containing tank 81.
In a preferred embodiment, a spoiler 821 and a sensor (not shown) are installed in the outlet 82, and output ends of the sensor are respectively connected to input ends of the thermostat 10 and the automatic pressure regulator 14.
Through the automatic pressure regulator 14 and the temperature controller 10 which are arranged in the glue containing box 81 and the sensor which is arranged in the discharge hole 82, when discharging, the sensor can transmit the detected information, when the flow rate of the cationic high-viscosity starch colloid is slow and the temperature is low, the automatic pressure regulator 14 can improve the pressure in the glue containing box 81, and the temperature controller 10 can improve the temperature in the box; when the flow rate of the cationic high-viscosity starch colloid is high and the temperature is high, the automatic pressure regulator 14 reduces the pressure in the tank, and the temperature controller 10 reduces the temperature in the tank; in addition, install agitator 9 and installation vortex strip 821 in discharge gate 82 in flourishing gluey case 81 for cation high viscosity starch glue can be continuous flow, avoid the colloid caking, the even nature of colloid is good, good mobility has, so the colloid can be continuously from transmitting to gluing cylinder 7 in flourishing gluey case 81 on the surface, and can effectually compensate the space between colloid and the gluing cylinder 7 when transmitting the colloid to gluing cylinder 7, let the even distribution of colloid on gluing cylinder 7 is on the surface, the effectual production of avoiding the rubber coating space.
In a preferred embodiment, the paper feeding device 11 includes a paper feeding roller 111 and a paper feeding belt 112 cooperating with the paper feeding roller 111.
As shown in fig. 4, the automatic production line further comprises a drying system 2, a flat pressing and flat die system 3, a die cutting waste removing system 4, a box forming system 5 and a palletizing system 6 as a preferred embodiment.
As a preferable embodiment, the cellulose nanocrystals, the ultrafine calcium carbonate and the organic montmorillonite modified rosin size emulsion are added in the preparation process of the high-strength compression-resistant corrugated paper. In the actual preparation process, the addition sequence of the cellulose nano-crystal and the superfine calcium carbonate is that the cellulose nano-crystal and the superfine calcium carbonate are added to react for 1-2 hours under stirring, and then the organic montmorillonite modified rosin emulsion is added.
As a preferable embodiment, the mass ratio of the cellulose nanocrystals to the superfine calcium carbonate to the modified rosin gum emulsion is 1 (2-3) to (6-7).
As a preferable embodiment, the total mass of the cellulose nanocrystal, the superfine calcium carbonate and the modified rosin size emulsion accounts for 6-8% of the total mass of the corrugated paper.
As a preferable embodiment, the particle size of the superfine calcium carbonate is 60-100nm, and the crystal morphology of the superfine calcium carbonate is chain or sheet.
As shown in fig. 5, as a preferred embodiment, the box forming system 5 includes a detection control device (not shown), a telescopic motor 51 and a clamping mechanism 52, the output end of the detection control device is respectively connected with the input ends of the telescopic motor 51 and the clamping mechanism 52, the telescopic end of the telescopic motor 51 is connected with a clamping mechanism 52, the clamping mechanism 52 comprises an outer shell 521, a forward and reverse rotating motor 522, a rotating gear 523, a gear plate 524 and a tightening clamp 525, the outer shell 521 is provided with the forward and reverse rotation motor 522, an output shaft of the forward and reverse rotation motor 522 is provided with the rotating gear 523, the gear plate 524 is engaged with the rotating gear 523 in the horizontal direction, one end of the gear plate 524 away from the rotating gear 523 is fixed on the tightening clamp 525, the other output end of the detection control device is connected with the input end of the forward and reverse rotating motor 522. The detection control device detects the position and the state of the carton and the upper cover of the carton, then the detection control device performs telescopic control on the telescopic motor 51 according to detected information, adjusts the upper and lower positions of the clamping mechanism 52, then the detection control device sends an instruction to the clamping mechanism 52 to control the forward and reverse rotation motor 522 to rotate to drive the rotating gear 523 to rotate, further to drive the gear plate 524 and the tightening clamp 525 to move, so that the tightening clamp 525 clamps the upper cover of the carton, the detection control device controls the telescopic motor 51 to contract to enable the clamping mechanism 52 to drive the upper cover of the carton to move, and during the period, the detection control device continuously adjusts the clamping state of the tightening clamp 525 on the upper cover of the carton to enable the upper cover of the carton to be turned upwards, and after the turning is completed, a robot can be used for jointing, at the moment, the robot only needs to perform simple jointing sealing and the operation step is single; although manual substitution may also be employed.
As a preferred embodiment, as shown in fig. 6, a micro motor 53 and a rotary gear 54 mounted on a rotating shaft of the micro motor 53 are provided on a movable end of the tightening clamp 525, and the rotary gear 54 is mounted on the movable end. During operation, micro motor 53 rotates through receiving external signal to drive rotary gear 54 and rotate, and then drive the expansion end and rotate, make the expansion end can adjust according to the condition of turning of corrugated box upper cover, better drive the upper cover and turn over and close the action.
As a preferred embodiment, a pyramid 55 is further formed on the movable end surface of the tightening clamp 525. The movable end surfaces are piled up into pyramids which are regularly distributed as much as possible through laser treatment to form the pyramid part 55, so that the friction coefficient can be remarkably increased, the tightening clamp 525 can clamp the upper cover of the corrugated carton more firmly, the upper cover can be turned over more stably and efficiently, and the surface of the upper cover still maintains smooth in naked eyes.
Since the other parts involved in the box forming system 5 are of conventional construction, they will not be described here again.
The superfine calcium carbonate crystal selected in the embodiment is in a chain or sheet shape, and because the superfine calcium carbonate has the characteristics of filling depressions and growing along gaps, the fiber in the slurry is a porous loose material and can provide growing and adsorption positions for the superfine calcium carbonate; the cellulose nanocrystals are connected with adjacent fibers through bridges, so that the bonding among the fibers is increased, the bonding area is increased, and the cellulose nanocrystals can be embedded into larger fibers, so that the superfine calcium carbonate and the cellulose nanocrystals can be self-assembled into a space network structure by adding the superfine calcium carbonate and the cellulose nanocrystals into the slurry, and the strength and the bearing capacity of the corrugated paper are improved.
In the embodiment, the organic montmorillonite modified rosin size emulsion is adopted, cations among montmorillonite layers increase the number of positive charges carried by the emulsion, free fibers with negative charges are easily adsorbed, and a tighter structure is formed between the free fibers with negative charges and a self-assembled space network structure, so that the stress concentration of the corrugated paper is changed, and the physical property and the mechanical property of the corrugated paper are improved.
In summary, the ground paper box made of the high-strength compression-resistant corrugated paper of the embodiment has higher strength and compression resistance compared with the ground paper box made of conventional corrugated paper, so that the inventor finds that when the ground paper box made of the high-strength compression-resistant corrugated paper of the embodiment is turned, the tightening clamp can effectively avoid relative sliding in the process of turning the upper cover, improve the packaging efficiency of the corrugated paper box, and the surface of the upper cover of the corrugated paper box is still kept flat; when the conventional corrugated cardboard box is turned over, it is found that dents or even scratches are present on the surface of the upper cover of the partial box.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An automatic production line of corrugated cases is characterized by comprising a paper mounting system for accurately bonding high-strength compression-resistant corrugated paper with surface paper, wherein the paper mounting system sequentially comprises a paper supply device, a glue printing device and a paper feeding bonding device;
the paper feeding bonding device comprises a paper feeding conveying belt and a fitting mechanism, and the fitting mechanism is arranged at the tail part of the paper feeding conveying belt;
the laminating mechanism comprises a detector, a paper guiding component and a paper blocking component, the detector is positioned on one side of the tail part of the paper feeding conveying belt, the paper guiding component is positioned behind the detector, the paper blocking component is close to the tail part of the paper guiding component, the paper blocking component comprises an air cylinder and a flexible moving baffle arranged on the air cylinder, and a chute for assisting laminating is further arranged on the flexible moving baffle; the paper mounting system also comprises a facial tissue conveying device, and the tail outlet position of the facial tissue conveying device is arranged above the paper conveying belt and is close to the paper blocking component;
the glue printing device comprises a paper transfer conveying belt, a paper supporting roller and a glue coating mechanism, wherein the paper supporting roller is arranged below the central position of the paper transfer conveying belt, and the glue coating mechanism is arranged above a conveying belt body corresponding to the paper supporting roller.
2. The automated production line of corrugated cardboard boxes as claimed in claim 1, wherein said gluing mechanism comprises a gluing roller and a gluing unit disposed on the outer circumference of said gluing roller.
3. The automatic production line of corrugated cases as claimed in claim 2, wherein the glue applying unit comprises a glue containing box for storing cationic high-viscosity starch glue and a discharge port arranged at the lower edge of the glue containing box and close to one end of the glue applying roller, the discharge port is of an upward inclined scraper knife structure close to one end of the glue applying roller, and the inclination angle is 15-20 degrees.
4. The automatic production line of corrugated cartons as claimed in claim 3, wherein a stirrer for making the cationic high-viscosity starch glue flow, a temperature controller for maintaining the temperature of the cationic high-viscosity starch glue and an automatic pressure regulator for controlling the pressure in the box body are installed in the glue containing box.
5. The corrugated carton automatic production line as claimed in claim 4, wherein a spoiler and a sensor are installed in the discharge port, and an output end of the sensor is connected with the input ends of the temperature controller and the automatic pressure regulator, respectively.
6. The corrugated carton automatic production line according to claim 1, further comprising a drying system, a flat pressing die system, a die cutting waste removing system, a carton forming system and a stacking system.
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