CN114633934B - Packaging box and forming process thereof - Google Patents
Packaging box and forming process thereof Download PDFInfo
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- CN114633934B CN114633934B CN202210303467.8A CN202210303467A CN114633934B CN 114633934 B CN114633934 B CN 114633934B CN 202210303467 A CN202210303467 A CN 202210303467A CN 114633934 B CN114633934 B CN 114633934B
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- Prior art keywords
- framework
- corrugated
- boards
- box
- panel
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 14
- 238000012856 packing Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000012783 reinforcing fiber Substances 0.000 claims description 14
- 239000003365 glass fiber Substances 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract 1
- 239000000123 paper Substances 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/42—Details of containers or of foldable or erectable container blanks
- B65D5/44—Integral, inserted or attached portions forming internal or external fittings
- B65D5/441—Reinforcements
-
- 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
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
- B31D1/0075—Multiple-step processes for making flat articles ; Making flat articles by assembling, e.g. by laminating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
- B65D65/403—Applications of laminates for particular packaging purposes with at least one corrugated layer
-
- 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
-
- 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
- D21H27/30—Multi-ply
- D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cartons (AREA)
Abstract
The invention belongs to the technical field of packaging and transportation, and particularly relates to a packaging box and a forming process thereof, wherein the packaging box comprises a packaging box body and a framework; the packing box body is composed of at least 8 corrugated boards, the 8 corrugated boards can be folded to form a box-type structure after being connected into a whole, and the box-type structure comprises a square tubular structure with two openings at two ends and formed by connecting 4 side boards, at least two bottom boards connected to one end of the square tubular structure and at least two top boards connected to the other end of the square tubular structure; a plurality of straight channels are formed in the corrugated board, and the channels of the two corrugated boards connected into a whole are communicated or parallel to each other; and a framework is arranged in the channel in a penetrating way. According to the packing box provided by the embodiment of the invention, the skeleton is arranged in the channel of the corrugated board, so that the shock resistance and the bearing capacity of the packing box can be greatly improved, the damage of the packing box is reduced, the repeated use times are improved, and the waste of materials is reduced.
Description
Technical Field
The invention belongs to the technical field of packaging and transportation, and particularly relates to a packaging box and a forming process thereof.
Background
The broad sense of logistics refers to the circulation of goods, and the narrow sense of logistics refers to the transportation and flow of goods. With the refinement and specialization of the division of work in the modern society, the method has wider requirements on the circulation of goods, the raw materials produced locally are required to be transported to one place to be produced into products, and then the products are transported to another place to be sold, so that the transportation and circulation of goods are not required in the process.
In the transportation of general products, a packing box is indispensable. The packing box is adopted to beautify the appearance on one hand, promote the attraction of customers of the product, belongs to an important means of commodity sales, and on the other hand, the commodity is placed in the packing box, so that the commodity can be effectively protected and prevented from being damaged in the process of transportation.
In terms of actual functions, the existing packaging boxes mainly consider the problem of shock absorption, and are usually solved by adopting corrugated paper with a multi-layer composite structure; but less attention is paid to the strength of the package and for some articles of greater mass, the general package is not suitable.
Disclosure of Invention
The embodiment of the invention aims to provide a packaging box, which aims to solve the problems that the existing packaging box is insufficient in strength and easy to damage.
The embodiment of the invention is realized in such a way that the packing box comprises a packing box body and a framework;
The packing box body is composed of at least 8 corrugated boards, the 8 corrugated boards can be folded to form a box-type structure after being connected into a whole, and the box-type structure comprises a square tubular structure with two openings at two ends and formed by connecting 4 side boards, at least two bottom boards connected to one end of the square tubular structure and at least two top boards connected to the other end of the square tubular structure;
a plurality of straight channels are formed in the corrugated board, and the channels of the two corrugated boards connected into a whole are communicated or parallel to each other;
And a framework is arranged in the channel in a penetrating way.
Another object of the embodiment of the present invention is to provide a package forming process for manufacturing the package according to the embodiment of the present invention, wherein the package forming process includes the following steps:
Paving a first panel;
arranging frameworks on the first panel at equal intervals to enable the flat structures of the frameworks to be positioned on the set folding lines, wherein the interval between the frameworks is equal to integer times of the cycle length of the wave plate;
Paving a wave plate, enabling the framework to be positioned in a convex groove formed by wave peaks of the wave plate, and fixing the wave plate with the first panel;
Paving a framework on the upper surface of the wave plate, so that the framework is positioned in a groove formed by the wave plate wave grains, and the flat structure of the framework is positioned at a set folding line;
And paving a second panel, and fixing the wave plate and the second panel.
The packing box provided by the embodiment of the invention adopts the corrugated board as an integral structure, meanwhile, the skeleton is penetrated in the channel inside the corrugated board, the strength of the packing box is improved by utilizing the skeleton, meanwhile, the packing box is opposite to a common corrugated paper packing box, the volume of the packing box is not increased, the characteristics of the corrugated paper channel are fully utilized, and the packing box is simple in structure and easy to realize.
Drawings
Fig. 1 is a perspective view of a packing box according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a corrugated board according to an embodiment of the present invention;
FIG. 3 is a second cross-sectional view of a corrugated board according to an embodiment of the present invention;
Fig. 4 is a cross-sectional view of a corrugated board according to an embodiment of the present invention.
In the accompanying drawings: 1. a first panel; 2. a skeleton; 3. a wave plate; 4. and a second panel.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1, the structure diagram of a packing box provided by an embodiment of the present invention includes a packing box body and a framework;
The packing box body is composed of at least 8 corrugated boards, the 8 corrugated boards can be folded to form a box-type structure after being connected into a whole, and the box-type structure comprises a square tubular structure with two openings at two ends and formed by connecting 4 side boards, at least two bottom boards connected to one end of the square tubular structure and at least two top boards connected to the other end of the square tubular structure;
a plurality of straight channels are formed in the corrugated board, and the channels of the two corrugated boards connected into a whole are communicated or parallel to each other;
And a framework is arranged in the channel in a penetrating way.
In this embodiment, as a specific implementation manner, two bottom plates are connected to a set of opposite sides at one end of the square tubular structure, and the bottom of the box-type structure is formed after the two bottom plates are folded and intersected in a left-right intersection manner; similarly, the two top plates are connected to a group of opposite sides at the other end of the square tubular structure, and the top of the box-type structure is formed after the two top plates are folded and intersected in a left-right intersected mode. The top and/or bottom of the box structure may be folded after placement of the articles within the box structure, after which the two top or bottom panels are adhered by tape or the like.
In this embodiment, a straight passage is formed in the corrugated board, where straight means that, for a sheet of corrugated board, all passages therein pass straight through in one direction from one side or end to the other side or end; further, the spacing between two adjacent channels is equal and uniformly distributed in the corrugated board. In the embodiment, the channels in the two corrugated boards connected into a whole are mutually communicated or parallel, specifically, for the 4 side boards, the channels in the two corrugated boards are mutually parallel along the height direction of the box-type structure; and the bottom plate or the top plate is communicated with the side plate at the joint, and in the unfolded state of the box-type structure, the top or the bottom plate and the side plate are in a straight line, and all the channels of all the corrugated boards are parallel.
In this embodiment, the skeleton is provided in the channels, alternatively, the skeleton is provided in all channels or part of the channels, for example, 1/3 of the channels are selected to be provided in the skeleton, or the skeleton may be provided in only the channels of the top board or the bottom board, or the skeleton may be provided in all the channels of all the corrugated boards.
The packing box provided by the embodiment of the invention adopts the corrugated board as an integral structure, meanwhile, the skeleton is penetrated in the channel inside the corrugated board, the strength of the packing box is improved by utilizing the skeleton, meanwhile, the packing box is opposite to a common corrugated paper packing box, the volume of the packing box is not increased, the characteristics of the corrugated paper channel are fully utilized, and the packing box is simple in structure and easy to realize.
In one embodiment of the invention, the package body is formed by 12 corrugated boards, wherein the bottom board and the top are respectively provided with 4 boards, and each bottom board or each top board is connected with one side board.
In this embodiment, further, the bottom plate and the top plate are both set to 4 pieces, so that the top and bottom of the box structure can be conveniently sealed, which can refer to the existing box structure, and the embodiment of the present invention is not limited further.
In one embodiment of the invention, the corrugated board is composed of two panels and one corrugated board, the two panels are respectively arranged on two sides of the corrugated board, and the cross sections of the channels of the corrugated board are distributed in an S shape.
In this embodiment, a loose channel structure can be formed by adopting a structure of a single wave plate, and a high impact resistance can be obtained. Fig. 2-4 show the specific structure of three corrugated boards, fig. 2 and 3 are in two forms of 8 shape, and fig. 4 is S shape; wherein, the middle section is taken as a boundary line, the left side is the section of the non-folding area, and the right side is the section of the folding area.
As shown in fig. 2-4, in one embodiment of the present invention, the corrugated board is formed by two panels and two corrugated boards, the two panels are separately disposed on two sides of the corrugated board, the two corrugated boards are stacked in a staggered manner, and the cross section of the channel of the corrugated board is in an 8-shaped arrangement.
In this embodiment, adopt the crisscross structure of folding of two wave plates can form more holes, further improve shock resistance, and under this kind of structure, formed the structure of double-deck hole, can be with the skeleton crisscross setting between the hole this moment, when improving intensity, still remain a hole between every skeleton and the panel, reduce the degree that causes the cushioning performance to descend because of the joining of skeleton.
As shown in fig. 2-4, in one embodiment of the present invention, at the fold of the box structure, the skeleton is flat, specifically, the dimension in the first direction is greater than the original dimension, and the dimension in the second direction is less than the original dimension and less than 2mm;
The first direction and the second direction are two mutually perpendicular diameter directions, and the original size is the diameter of the framework at the non-connecting position.
In this embodiment, the folded portion of the skeleton is flat, so that the toughness of the folded portion of the skeleton can be improved.
In one embodiment of the present invention, the skeleton is composed of a base material and reinforcing fibers, wherein the base material is selected from one or more of PET, PP, PE, and the reinforcing fibers are glass fibers.
In this embodiment, the skeleton substrate may be a common resin such as PET (polyethylene terephthalate), PP (polypropylene), PE (polyethylene), PVC (polyvinyl chloride), etc., the reinforcing fiber may be a glass fiber or a carbon fiber, and the reinforcing fiber with a length of 6mm to 15mm is preferable, and the reinforcing fiber with a length range may show improved strength at the folding position, and has a low requirement for processing and a low loss to equipment.
In one embodiment of the invention, the reinforcing fibers are concentrated in the folded region of the carcass.
In this embodiment, the reinforcing fibers are concentrated in the folded region of the carcass, which is achieved by the special manufacturing process provided by the present invention. In the embodiment, the addition amount of the glass fiber is between 10 and 22 percent, and the content of the glass fiber can exceed 60 percent in the folding area of the framework; the addition amount of the carbon fiber is about 8% -21%, and the carbon fiber content is about 40% -56% in the framework folding region. The local content is related to the adding speed, the speed is higher, the fiber dispersity is smaller, the local content is high, but the brittleness is larger after the content is higher than a critical value, and the local content of the glass fiber and the carbon fiber is controlled below 65 percent.
The embodiment of the invention also provides a packaging box forming process for manufacturing the packaging box, which comprises the following steps of:
Paving a first panel;
arranging frameworks on the first panel at equal intervals to enable the flat structures of the frameworks to be positioned on the set folding lines, wherein the interval between the frameworks is equal to integer times of the cycle length of the wave plate;
Paving a wave plate, enabling the framework to be positioned in a convex groove formed by wave peaks of the wave plate, and fixing the wave plate with the first panel;
Paving a framework on the upper surface of the wave plate, so that the framework is positioned in a groove formed by the wave plate wave grains, and the flat structure of the framework is positioned at a set folding line;
And paving a second panel, and fixing the wave plate and the second panel.
In this embodiment, the first panel and the second panel are made of cardboard, the panels and the wave plates are fixed by using an adhesive, and the frame and the panels or the wave plates may be fixed or not, preferably are fixed by using an adhesive as well, so that the strength of the bonding position between the frame and the panels or between the frame and the wave plates can be improved by using the hardened adhesive, and meanwhile, the frame can be prevented from shaking between the panels and the wave plates to generate noise.
In the embodiment, the framework is arranged in the space between the wave plate and the panel, so that the space of the box-type structure is not occupied.
In one embodiment of the present invention, the package forming process further includes:
Mixing the base materials;
Adopting a strip-shaped die head to connect the extrusion substrate;
and determining the adding interval of the reinforcing fiber according to the extrusion speed and the folding position of the framework, and intermittently adding glass fiber into the extruder according to the determined adding interval, wherein graphite powder is added into the glass fiber as an indicator, and the adding content is less than 0.045%.
In this embodiment, additives such as an aging agent, an antioxidant, a flame retardant and the like may be added to the base material to adjust the chemical characteristics of the base material, which belongs to optional additives, and whether or not and the amount of the additives are added do not affect the reinforcement scheme provided by the present application, and the embodiments of the present application will not be repeated.
In this embodiment, the skeleton is continuously extruded by using Kong Xingmo heads through an extruder, the extrusion speed is set to V, the interval between the folding positions in the length direction of the skeleton is set to L/V, the time interval for adding the reinforcing fibers is set to L/V, and the amount added each time can be determined according to the extrusion amount (mass) per unit time and the set percentage of the reinforcing fibers, for example, the extrusion amount per unit time is set to M, the percentage added is set to a, the amount added per unit time is set to Ma, and the amount added each time is set to Ma/(L/V).
In this embodiment, by adding a small amount of graphite to the glass fiber, the position and concentration degree of the glass fiber can be reflected by the color shade of graphite, and thus the addition amount, the addition speed, the device rotation speed, and the like can be adjusted.
In one embodiment of the present invention, the package forming process further includes:
And extruding the folding position of the framework to form a flat structure by adopting a follow-up compression roller before cooling the framework at the outlet of the die head.
In this embodiment, the folded portion of the skeleton is pressed into a flat-like structure by the follow-up pressing roller. The follow-up press roller comprises a movable roller and a fixed roller, and the movable roller and the fixed roller are driven by a first cylinder to move along the traction direction (or the opposite direction) of the framework, so that the folding position of the framework is clamped to realize extrusion; the second cylinder drives the movable roller to move up and down, so that the movable roller is separated from or close to the fixed roller, the framework is extruded when the movable roller is close to the fixed roller, and the framework is released when the movable roller is separated; in the extrusion process, the first cylinder drives the two rollers to move towards the extrusion direction of the framework, the extrusion is completed, the second cylinder drives the fixed roller to be separated from the movable roller, the framework is released, the second cylinder drives the fixed roller and the movable roller to retract to the initial position, and the next position is extruded.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The packing box is characterized by comprising a packing box body and a framework;
The packing box body is composed of at least 8 corrugated boards, the 8 corrugated boards can be folded to form a box-type structure after being connected into a whole, and the box-type structure comprises a square tubular structure with two openings at two ends and formed by connecting 4 side boards, at least two bottom boards connected to one end of the square tubular structure and at least two top boards connected to the other end of the square tubular structure;
The corrugated board is internally provided with a plurality of straight channels, the channels of the two corrugated boards connected into a whole are communicated or parallel to each other, and the channels inside the 4 side boards are parallel to each other along the height direction of the box-type structure; the bottom plate or the top plate is communicated with the side plate through a passage at the joint, and in the unfolded state of the box-type structure, the passage of the top or the bottom plate is in a straight line with the passage of the side plate, and all the passages of all the corrugated boards are parallel;
A framework is arranged in the channel in a penetrating way;
At the folding position of the box-type structure, the framework is in a flat shape, and the flat shape is that the dimension in the first direction is larger than the original dimension, and the dimension in the second direction is smaller than the original dimension and smaller than 2mm;
the first direction and the second direction are two mutually perpendicular diameter directions, and the original size is the diameter of the framework at the non-connecting position;
the framework consists of a base material and reinforcing fibers, wherein the base material is one or more selected from PET, PP, PE, and the reinforcing fibers are glass fibers;
The reinforcing fibers are concentrated in the folded region of the carcass.
2. A pack as claimed in claim 1, wherein the pack body is formed from 12 sheets of corrugated cardboard, wherein the base panel and top are each provided in 4 sheets, each base panel or top panel being connected to one side panel.
3. The package according to claim 1, wherein the corrugated board is formed by two panels and a corrugated board, the two panels are separately disposed on two sides of the corrugated board, and the cross section of the channel of the corrugated board is S-shaped.
4. The packaging box according to claim 1, wherein the corrugated board is composed of two panels and two corrugated boards, the two panels are respectively arranged on two sides of the corrugated board, the two corrugated boards are overlapped in a staggered mode, and the cross sections of the channels of the corrugated board are distributed in a8 shape.
5. A package forming process for making a package as claimed in any one of claims 1 to 4, wherein said package forming process comprises the steps of:
Paving a first panel;
arranging frameworks on the first panel at equal intervals to enable the flat structures of the frameworks to be positioned on the set folding lines, wherein the interval between the frameworks is equal to integer times of the cycle length of the wave plate;
Paving a wave plate, enabling the framework to be positioned in a convex groove formed by wave peaks of the wave plate, and fixing the wave plate with the first panel;
Paving a framework on the upper surface of the wave plate, so that the framework is positioned in a groove formed by the wave plate wave grains, and the flat structure of the framework is positioned at a set folding line;
And paving a second panel, and fixing the wave plate and the second panel.
6. The package forming process of claim 5, further comprising:
Mixing the base materials;
Adopting a strip-shaped die head to connect the extrusion substrate;
and determining the adding interval of the reinforcing fiber according to the extrusion speed and the folding position of the framework, and intermittently adding glass fiber into the extruder according to the determined adding interval, wherein graphite powder is added into the glass fiber as an indicator, and the adding content is less than 0.045%.
7. The package forming process of claim 6, further comprising:
And extruding the folding position of the framework to form a flat structure by adopting a follow-up compression roller before cooling the framework at the outlet of the die head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303467.8A CN114633934B (en) | 2022-03-24 | 2022-03-24 | Packaging box and forming process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303467.8A CN114633934B (en) | 2022-03-24 | 2022-03-24 | Packaging box and forming process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114633934A CN114633934A (en) | 2022-06-17 |
| CN114633934B true CN114633934B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210303467.8A Active CN114633934B (en) | 2022-03-24 | 2022-03-24 | Packaging box and forming process thereof |
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| CN (1) | CN114633934B (en) |
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