CN116852792A - Manufacturing method of winding type bamboo packaging box - Google Patents
Manufacturing method of winding type bamboo packaging box Download PDFInfo
- Publication number
- CN116852792A CN116852792A CN202311058914.9A CN202311058914A CN116852792A CN 116852792 A CN116852792 A CN 116852792A CN 202311058914 A CN202311058914 A CN 202311058914A CN 116852792 A CN116852792 A CN 116852792A
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- bamboo
- packaging box
- winding
- box cover
- flattened
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 114
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 114
- 241001330002 Bambuseae Species 0.000 title claims abstract description 114
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 114
- 239000011425 bamboo Substances 0.000 title claims abstract description 114
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 109
- 238000004804 winding Methods 0.000 title claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000007598 dipping method Methods 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims description 63
- 239000000463 material Substances 0.000 claims description 61
- 238000005520 cutting process Methods 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000007844 bleaching agent Substances 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 238000004061 bleaching Methods 0.000 abstract 1
- 239000000123 paper Substances 0.000 description 13
- 239000004033 plastic Substances 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B50/20—Cutting sheets or blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
- B27K9/002—Cane, bamboo
-
- 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
-
- 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
- B31B50/74—Auxiliary operations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
Abstract
The invention discloses a manufacturing method of a winding type bamboo packaging box, which comprises the steps of primary processing of raw bamboo, feeding of primary processed bamboo tube sheets into a steam high-pressure dipping tank, bleaching, drying of decolored flattened sheets, widening and lengthening, sanding, rolling, gluing winding, transverse sawing with fixed length, gluing forming of a bottom cover plate or a box cover plate, winding and pasting of an outer wrapping layer, polishing of a packaging box body and a packaging box cover and the like. The invention can mechanically, standardize and rapidly produce the bamboo packaging box and has the advantages of low cost, good compression resistance and durability and no pollution.
Description
Technical Field
The invention relates to a manufacturing method of a winding type bamboo packing box.
Background
The bamboo is used for replacing wood and plastic, and is a main aim of processing and utilizing bamboo in China. The bamboo-made board industry in China is scaled, various products including bamboo floors, bamboo templates, bamboo decorative materials and the like are marketed, and a great deal of social and economic benefits are created. However, the packaging box of the product is replaced by the bamboo material at the starting stage.
Most of packaging box materials in China are made of paper, plastic, metal and glass, and the production process of the paper packaging box materials is complex, pollutes the environment, and has low recycling rate, poor compression resistance and poor moisture resistance; the production process of the plastic packaging box material is complex, the cost is high, the packaging material is easy to pollute, the recycling rate of the recycling material is low, and the durability is poor; the production process of the metal packaging box material is complex, the cost is high, the recycling rate of the recycled material is low, the compression resistance is poor, and the production process of the glass packaging box material is complex, the compression resistance is poor, and the glass packaging box material is easy to damage and fragile.
At present, most of bamboo material packages are made of basket, basket and the like and are manually woven, so that the production efficiency is low, the quality and standard control are difficult, and the popularization and the use are difficult. Therefore, providing a packaging box made of bamboo material and a manufacturing method thereof is an urgent task for improving the existing packaging box materials.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a manufacturing method of a winding type bamboo packing box, which can mechanically, standardize and rapidly produce the bamboo packing box and has the advantages of low cost, good compression resistance and durability and no pollution.
In order to solve the technical problems, the invention provides the following technical scheme; a manufacturing method of a winding type bamboo packaging box comprises the following steps:
(1) And (3) primary processing of bamboo wood: collecting fresh bamboo with 5 years of bamboo age, no mildew, wormholes, decay and cracking, wherein the diameter of the chest diameter of the bamboo reaches more than 10cm, removing tips, cutting the bamboo into three equal segments according to the cross section length of the bamboo girth diameter, the small head diameter of the bamboo is larger than 13cm, the cutting length of the small head of the bamboo is 40cm, the cutting length of the small head of the bamboo is 80cm, the cutting length of the small head of the bamboo is 9-11 cm, the cutting length of the small head of the bamboo is 70cm, the cutting length of the small head of the bamboo is 65cm, sorting according to the wall thickness after the cross section, removing the inner sections of the bamboo tubes, longitudinally slotting the bamboo tubes with the inner sections by a circular sawing machine, cutting the root bamboo tubes with the small head diameter of 10-13 cm into equal segments, and cutting the middle bamboo tubes with the small head diameter of 7-10 cm into equal segments to obtain the primary processing bamboo tube sheets;
(2) Feeding the primarily processed bamboo tube slices into a steam high-pressure dipping tank, wherein the working temperature is 160-180 ℃, the working pressure is 1.1-1.3 MPa, the softening time is usually 5-7 minutes, rapidly feeding the bamboo tube slices in the state into an integrated flattening machine for flattening, planing green and planing yellow, and feeding the flattened plates into a common planing machine for precise planing to obtain flattened material slices with the thickness of 0.3-0.5 mm;
(3) Placing the flattened sheet into a solution containing 1-1.2% of bleaching powder, soaking for 1-1.5 h, taking out, placing into a steam soaking tank containing 5-5.5% of acetic acid solution, heating to 100 ℃ for 30-35 min, taking out the flattened sheet, rinsing the liquid medicine on the flattened sheet with clear water, and obtaining the decolored flattened sheet;
(4) Drying the decolored and flattened sheet: carrying out double-sided steam-spraying drying on the decolored flattened sheet by using a pressing plate dryer, wherein the drying temperature is 85-95 ℃ so as to reduce the water content of the unfolded bamboo sheet to 9-11%, and classifying according to the same thickness to obtain the dried flattened sheet;
(5) Widening and lengthening: placing the dry flattened sheets with the same thickness on gluing non-woven paper, bonding the dry flattened sheets with different widths together, splicing the sheets to be wide, wherein the thickness is 0.45-0.85 mm, the width after splicing the sheets is 25-30 cm, gluing and lengthening the spliced flattened sheets by using a lengthening machine, and drying and solidifying the stretched sheets to obtain a lengthened flattened sheet;
(6) Sanding and coiling: the method comprises the steps of (1) carrying out fixed-thickness sanding on an extension flattened sheet, gluing the other end face of the extension flattened sheet without a non-woven paper extension flattened sheet face, bonding with another non-woven paper, drying after bonding, carrying out fixed-width slitting according to the size of a target product, and preparing a certain length flattened bamboo sheet into a long rolled sheet through a rolling machine after slitting, wherein the length of the long rolled sheet is more than 3m, the thickness is 0.55-1.15 mm and the width is 1-2 cm;
(7) Gluing the two sides and the outer side of the long roll of sheet material, obliquely winding the long roll of sheet material on a rotating die of a winding machine side by side, wherein the included angle between the tangent line of the winding direction of the long roll of sheet material and the central axis of the die is 15-60 degrees, and obtaining a primary winding cylinder;
coating glue on the outer side of the primary winding drum to wind the same inclined second layer long roll sheet, wherein the number of winding layers is 3-5 layers of odd number layers;
or the outer side of the primary winding cylinder is coated with glue to wind the second layer of long roll sheet material which is inclined opposite to the first layer, and the number of winding layers is 3-5 layers of odd number of winding layers;
after winding, curing and forming the winding cylinder through microwave heating to obtain a bamboo packaging box material;
(8) The bamboo packaging box material is subjected to fixed-length transverse sawing, and the lengths of the transverse sawing are respectively as follows: bamboo rings with the length being the same as the height of the wall of the designed packaging box, the length being the same as the height of the wall of the designed packaging box cover and the length being 0.4-0.6 cm;
(9) The gluing and forming of the bottom cover plate or the box cover plate, wherein a flattened bamboo veneer with the thickness of 3-7 mm is adopted, the bottom cover plate or the box cover plate with the same size and shape as the section size and shape of the packaging box body is prepared through milling and stamping forming, two side surfaces of the bottom cover plate and the box cover plate are glued, the two side surfaces are respectively glued with the opening end of one side of the packaging box body and the opening end of one side of the packaging box cover, and the outer side edges of the bottom cover plate or the box cover plate are respectively glued with a bamboo ring to form the packaging box body with the bottom and the packaging box cover with the cover;
(10) Winding and pasting the outer wrapping layer, and respectively winding and pasting 1-2 layers of the outer peripheral walls of the packaging box body and the packaging box cover by using a slicing sheet plate with the thickness of 10.5-20.5 mm; the length of the wrapping layer of the packing box body with the bottom is smaller than that of the packing box body, and a reserved edge part with the length of 12-15 mm is arranged at one side edge of the wrapping layer, which is wrapped by the wrapping layer, from the opening end of the packing box body, so that a box edge is formed; the length of the opposite winding layer of the packaging box cover with the cover is longer than that of the packaging box cover, and a reserved edge part with the length of 12-15 mm is arranged at one winding side edge of the outer wrapping layer longer than the opening end of the packaging box cover to form a cover edge; the cover edge of the packaging box cover with the cover is inserted and buckled on the box edge of the packaging box body with the bottom to form a packaging box with the cover;
or, mechanically screwing out an outer concave edge with the width being half of the wall thickness of the packaging box body from the outer peripheral wall which is 12-15 mm away from the opening end of the packaging box body to form the outer concave edge of the packaging box body; mechanically screwing out an inward concave edge with the width being half of the wall thickness of the packaging box cover on the inner peripheral wall which is 12-15 mm away from the opening end of the packaging box cover to form the inward concave edge of the packaging box cover, and inserting and buckling the inward concave edge of the packaging box cover with the cover on the outer side of the outward concave edge of the packaging box body with the bottom to form the packaging box with the cover;
(11) Polishing the packaging box body and the packaging box cover respectively, removing uneven surfaces or burrs, and externally pasting packaging product introduction posts to finish the manufacturing of the winding type bamboo packaging box.
As a preferable technical scheme of the invention, the winding of the long roll sheets with the same inclined layers is that joints between two long roll sheets with adjacent winding layers are arranged in a staggered manner.
As a preferable technical scheme of the invention, the outer side of the primary winding drum is coated with glue to wind the second layer of long roll sheet material which is inclined reversely to the first layer, and the like is that the first layer, the third layer and the fifth layer of long roll sheet material are wound in the same inclined direction, and the second layer and the fourth layer of long roll sheet material are wound in the same inclined direction and are opposite to the adjacent layers.
As a preferable technical scheme of the invention, the section shape of the bamboo packing box is round, square, triangle or polygon.
As a preferred embodiment of the present invention, the step (9) further includes: the inner peripheral wall 5-6 mm away from the opening end of one side of the packing box body is mechanically screwed with a sealing piece inner groove with the width being half of the thickness of the wall of the packing box body, the inner peripheral wall 5-6 mm away from the opening end of one side of the packing box cover is mechanically screwed with a sealing piece inner groove with the width being half of the thickness of the wall of the packing box cover, a flattened bamboo veneer with the thickness of 4-5 mm is adopted, a bottom cover plate or a box cover plate with the size being matched with the size of the sealing piece inner groove is prepared through milling and stamping, the packing box body and the sealing piece inner groove of the packing box cover are glued, the packing box body and the packing box cover plate are respectively adhered with one bottom cover plate or one box cover plate, and the opening ends of one side of the packing box body and the packing box cover are sealed by the bottom cover plate or the box cover plate, so that the packing box cover with the bottom is formed.
As a preferable technical scheme of the invention, after winding, the winding cylinder is cured and formed by microwave heating, the positive pressure is applied, the positive pressure is 1MPa, the curing temperature is 140 ℃, the time is 10 minutes, and the temperature is raised to cure the adhesive.
As a preferable technical scheme of the invention, the thickness of the nonwoven paper is 0.1-0.3 mm.
As a preferable technical scheme of the invention, the outer side surface of the primary winding drum is coated with glue to wind the second layer of long roll sheet material which is inclined opposite to the first layer, and the included angle between the tangential line of the winding direction of the second layer of long roll sheet material and the central shaft of the die is 15-60 degrees.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can utilize bamboo material to produce the packaging box, and realizes and expands the self-standard and range of processing and utilizing bamboo materials of bamboo instead of wood and plastic. The wide bamboo wood application range in China is enlarged, a feasible preparation method is provided, and a great amount of social benefits and economic benefits are created.
2. The invention uses bamboo material to replace the prior product packaging box material, has the advantages of less environmental pollution in the production process, simple production process, low cost, high recycling rate of materials, difficult damage, good protectiveness, good compression resistance and good moisture resistance compared with the traditional paper, plastic, metal and glass packaging materials, and the like, and the measurement shows that the bamboo packaging box material with the same quality has the compression strength which is improved by 1.2 to 1.8 times on average compared with the paper, plastic and metal materials, reduces the cost by 20 to 30 percent on average, and has better use effect.
3. The production method of the invention is simple and reasonable, has low manufacturing cost and saves time and labor.
Drawings
FIG. 1 is a schematic view of a primary winding drum in the production process of the present invention;
FIG. 2 is a schematic view of a production structure of a second layer of long roll sheet material in a cross winding manner in the production process of the invention;
fig. 3 is a schematic structural view of the present invention for performing fixed length transverse sawing on bamboo packing box material;
FIG. 4 is a schematic view of the structure of the bamboo packing box for bottom sealing;
fig. 5 is a schematic view of the structure of the bottom-attached packing box body and the lid-attached packing box cover of the present invention;
FIG. 6 is a schematic illustration of the construction of the overwrap wrap-around paste of the present invention;
FIG. 7 is a schematic product structure of the bamboo packing box material of the present invention;
fig. 8 is a schematic structural diagram of another embodiment of the present invention.
Wherein: 1. a long roll of sheet material; 2. a mold; 3. a package box body; 31. reserving an edge part; 32. the edges of the box are edged; 33. a cover rim; 34. the outer concave edge of the packing box body; 35. the inner concave edge of the packaging box cover; 36. a seal inner groove; 4. A bamboo ring; 5. a bottom cover plate or a box cover plate; 6. a packaging box cover; 7. slicing the sheet plate.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present invention are obtained will become readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Example 1 as shown in fig. 1 to 7, a method for manufacturing a wound bamboo packing box comprises the following steps:
(1) And (3) primary processing of bamboo wood: fresh bamboo with 5 years of bamboo age and chest diameter of more than 10cm and without mildew, wormholes, decay and cracking is collected, the tips are removed, according to the cross section length of the bamboo girth diameter, the diameter of a small head of the bamboo is larger than 13cm, the cutting length is 40cm, the diameter of the small head of the bamboo is 80cm, the cutting length is 70cm, the diameter of the small head of the bamboo is 65cm, the cutting length is 65cm, after the cross section, the inner sections of the bamboo tubes are removed, the circular sawing machine is used for longitudinally slotting the bamboo tubes with the inner sections removed, the root bamboo tubes with the diameter of 10-13 cm are cut into three equal sections, and the middle bamboo tubes with the diameter of 7-10 cm are cut into equal sections, so that the primary processing bamboo tube sheets are obtained.
(2) The bamboo chips in the state are sent into a steam high-pressure dipping tank, the working temperature is 160-180 ℃, the working pressure is 1.1-1.3 MPa, the softening time is usually 5-7 minutes, the bamboo chips in the state are quickly sent into an integrated flattening machine for flattening, green planing and yellow planing, and then the flattened board is sent into a common slicing machine for precise slicing, so that flattened board slices with the thickness of 0.3-0.5 mm are obtained.
(3) And (3) placing the flattened sheet into a solution containing 1-1.2% of bleaching powder, soaking for 1-1.5 h, taking out, placing into a steam soaking tank containing 5-5.5% of acetic acid solution, heating to 100 ℃ for 30-35 min, taking out the flattened sheet, and rinsing the liquid medicine on the flattened sheet by using clear water to obtain the decolored flattened sheet.
(4) Drying the decolored and flattened sheet: and (3) carrying out double-sided steam-spraying drying on the decolored flattened sheet by using a pressing plate dryer, wherein the drying temperature is 85-95 ℃, so that the water content of the unfolded bamboo sheet is reduced to 9-11%, and classifying according to the same thickness to obtain the dried flattened sheet.
(5) Widening and lengthening: and (3) placing the dried flattened material sheets with the same thickness on gluing non-woven paper, bonding the dried flattened material sheets with different widths together, splicing the dried flattened material sheets to be wide, wherein the thickness is 0.45-0.85 mm, the width after splicing the wide is 25-30 cm, gluing and lengthening the flattened material sheets after splicing the wide by using a lengthening machine, and drying and solidifying the stretched flattened material sheets to obtain the stretched flattened material sheets. The thickness of the nonwoven paper is 0.1-0.3 mm.
(6) Sanding and coiling: and (3) sanding the stretched flattened sheet at a fixed thickness, gluing the other end face of the stretched flattened sheet without the surface of the stretched flattened sheet of non-woven paper, bonding with the other non-woven paper, drying after bonding, cutting at a fixed width according to the size of a target product, and preparing the flattened bamboo sheet with a certain length into a long rolled sheet 1 by a rolling machine after cutting, wherein the length of the long rolled sheet is more than 3m, the thickness is 0.55-1.15 mm and the width is 1-2 cm. The thickness of the nonwoven paper is 0.1-0.3 mm.
(7) The two sides and the outer side of the long roll sheet 1 are coated with adhesive, the adhesive adopts water soluble phenolic resin, and the solid content is 54%. And obliquely winding the long roll of sheet on a die 2 rotated by a winding machine side by side, wherein the included angle between the tangent line of the winding direction of the long roll of sheet and the central axis of the die is 15-60 degrees, and obtaining the primary winding cylinder.
The outer side of the primary winding drum is coated with glue to wind the same oblique second layer long roll sheet, the number of winding layers is 3-5 layers of odd layers, and the same oblique each layer long roll sheet is formed by staggering joints between two adjacent winding layers long roll sheets.
Or the outer side of the primary winding drum is coated with glue to wind a second layer of long roll sheet material which is inclined opposite to the first layer, the included angle between the tangent line of the winding direction of the second layer of long roll sheet material and the central axis of the die is 15-60 degrees, and the number of winding layers is 3-5 layers of odd number of layers; the outer side of the primary winding drum is coated with glue to wind the second layer of long roll sheet material which is inclined opposite to the first layer, and the like, namely, the long roll sheet materials of the first layer, the third layer and the fifth layer are wound in the same inclined direction, and the long roll sheet materials of the second layer and the fourth layer are wound in the same inclined direction and opposite to the adjacent layers.
And after winding, curing and forming the winding cylinder through microwave heating, namely, curing the adhesive by adding forward pressure, wherein the forward pressure is 1MPa, the curing temperature is 140 ℃ and the time is 10 minutes, and heating to cure the adhesive to obtain the bamboo packaging box material.
(8) The bamboo packaging box material is subjected to fixed-length transverse sawing, and the lengths of the transverse sawing are respectively as follows: bamboo ring 4 with the same length as the designed wall height of the packing box body 3, the same length as the designed wall height of the packing box cover 6 and the length of 0.4-0.6 cm.
(9) The gluing and forming of the bottom cover plate or the box cover plate adopts a flattened bamboo veneer with the thickness of 3-7 mm, the bottom cover plate or the box cover plate 5 with the same size and shape as the section size and shape of the packaging box body is prepared through milling and stamping forming, two side surfaces of the bottom cover plate and the box cover plate are glued, the two side surfaces are respectively glued with the opening end of one side of the packaging box body and the opening end of one side of the packaging box cover, and the outer side edges of the bottom cover plate or the box cover plate are respectively glued with a bamboo ring 4 to form the packaging box body with the bottom and the packaging box cover with the cover.
(10) Winding and pasting the outer wrapping layer, and respectively performing 1-2 layers of winding and pasting on the outer peripheral walls of the packaging box body 3 and the packaging box cover 6 by using a slicing sheet plate 7 with the thickness of 10.5-20.5 mm; the length of the wrapping layer of the packing box body with the bottom is smaller than that of the packing box body, and a reserved edge 31 with the length of 12-15 mm is arranged at one side edge of the wrapping layer, which is wound from the opening end of the packing box body, so as to form a box edge 32; the length of the opposite winding layer of the packaging box cover with the cover is longer than that of the packaging box cover, and a reserved edge part with the length of 12-15 mm is arranged at one winding side of the outer wrapping layer longer than the opening end of the packaging box cover to form a cover edge 33; the cover edge of the cover packaging box cover with the cover is inserted and buckled on the box edge of the box body with the bottom to form the packaging box with the cover.
(11) Polishing the packaging box body and the packaging box cover respectively, removing uneven surfaces or burrs, and externally pasting packaging product introduction posts to finish the manufacturing of the winding type bamboo packaging box.
The section shape of the bamboo packing box is round, square, triangle and polygon. Square, triangle; when polygonal, only the die 2 which is in the same shape and is rotated by the winding machine is needed to be replaced, namely, when the cross section of the packaging box is quadrangular, the die 2 is replaced by the winding machine which is in the quadrangular cross section. So it will not be described again.
Example 2 as shown in fig. 8, the difference from example 1 is that: when the bottom cover plate or the lid plate 5 is used to close a port of the package body and the package lid in step (9) of example 1, it is also possible to use: the inner peripheral wall 5-6 mm away from the opening end of one side of the packing box body is mechanically screwed with a sealing piece inner groove 36 with the width being half of the thickness of the wall of the packing box body, the inner peripheral wall 5-6 mm away from the opening end of one side of the packing box cover is mechanically screwed with a sealing piece inner groove with the width being half of the thickness of the wall of the packing box cover, a flattened bamboo veneer with the thickness of 4-5 mm is adopted, a bottom cover plate or a box cover plate with the size matched with the sealing piece inner groove is prepared through milling and stamping, the packing box body and the sealing piece inner groove 36 of the packing box cover are glued and respectively adhered with a bottom cover plate or a box cover plate, and the opening ends of one side of the packing box body and the packing box cover are sealed by the bottom cover plate or the box cover plate to form the packing box body with the bottom and the packing box cover with the cover. The remainder is the same as in example 1, and therefore will not be described again.
Example 3 as shown in fig. 8, the differences from examples 1 and 2 are that: for the mutual buckling of the bamboo packing box body and the packing box cover, namely, the method of winding and pasting an outer wrapping layer is not required in the step (10), the outer concave edge with the width being half of the wall thickness of the packing box body can be directly and mechanically screwed out on the outer peripheral wall of the packing box body with the bottom and the packing box cover 6 with the cover, which is 12-15 mm away from the opening end of the packing box with the bottom, so as to form the outer concave edge 34 of the packing box body; the inner peripheral wall which is 12-15 mm away from the opening end of the packaging box cover is mechanically screwed out to form a concave edge which is half the wall thickness of the packaging box cover, so that a concave edge 35 of the packaging box cover is formed, the concave edge of the packaging box cover with the cover is inserted and buckled outside the concave edge of the packaging box body with the bottom, a packaging box with the cover is formed, and the mutual buckling of the bamboo packaging box body and the packaging box cover is completed. The remainder is the same as in examples 1 and 2, and therefore will not be described again.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The manufacturing method of the winding type bamboo packaging box is characterized by comprising the following steps of:
(1) And (3) primary processing of bamboo wood: collecting fresh bamboo with 5 years of bamboo age, no mildew, wormholes, decay and cracking, wherein the diameter of the chest diameter of the bamboo reaches more than 10cm, removing tips, cutting the bamboo into three equal segments according to the cross section length of the bamboo girth diameter, the small head diameter of the bamboo is larger than 13cm, the cutting length of the small head of the bamboo is 40cm, the cutting length of the small head of the bamboo is 80cm, the cutting length of the small head of the bamboo is 9-11 cm, the cutting length of the small head of the bamboo is 70cm, the cutting length of the small head of the bamboo is 65cm, sorting according to the wall thickness after the cross section, removing the inner sections of the bamboo tubes, longitudinally slotting the bamboo tubes with the inner sections by a circular sawing machine, cutting the root bamboo tubes with the small head diameter of 10-13 cm into equal segments, and cutting the middle bamboo tubes with the small head diameter of 7-10 cm into equal segments to obtain the primary processing bamboo tube sheets;
(2) Feeding the primarily processed bamboo tube slices into a steam high-pressure dipping tank, wherein the working temperature is 160-180 ℃, the working pressure is 1.1-1.3 MPa, the softening time is usually 5-7 minutes, rapidly feeding the bamboo tube slices in the state into an integrated flattening machine for flattening, planing green and planing yellow, and feeding the flattened plates into a common planing machine for precise planing to obtain flattened material slices with the thickness of 0.3-0.5 mm;
(3) Placing the flattened sheet into a solution containing 1-1.2% of bleaching powder, soaking for 1-1.5 h, taking out, placing into a steam soaking tank containing 5-5.5% of acetic acid solution, heating to 100 ℃ for 30-35 min, taking out the flattened sheet, rinsing the liquid medicine on the flattened sheet with clear water, and obtaining the decolored flattened sheet;
(4) Drying the decolored and flattened sheet: carrying out double-sided steam-spraying drying on the decolored flattened sheet by using a pressing plate dryer, wherein the drying temperature is 85-95 ℃ so as to reduce the water content of the unfolded bamboo sheet to 9-11%, and classifying according to the same thickness to obtain the dried flattened sheet;
(5) Widening and lengthening: placing the dry flattened sheets with the same thickness on gluing non-woven paper, bonding the dry flattened sheets with different widths together, splicing the sheets to be wide, wherein the thickness is 0.45-0.85 mm, the width after splicing the sheets is 25-30 cm, gluing and lengthening the spliced flattened sheets by using a lengthening machine, and drying and solidifying the stretched sheets to obtain a lengthened flattened sheet;
(6) Sanding and coiling: the method comprises the steps of (1) carrying out fixed-thickness sanding on an extension flattened sheet, gluing the other end face of the extension flattened sheet without a non-woven paper extension flattened sheet face, bonding with another non-woven paper, drying after bonding, carrying out fixed-width slitting according to the size of a target product, and preparing a certain length flattened bamboo sheet into a long rolled sheet through a rolling machine after slitting, wherein the length of the long rolled sheet is more than 3m, the thickness is 0.55-1.15 mm and the width is 1-2 cm;
(7) Gluing the two sides and the outer side of the long roll of sheet material, obliquely winding the long roll of sheet material on a rotating die of a winding machine side by side, wherein the included angle between the tangent line of the winding direction of the long roll of sheet material and the central axis of the die is 15-60 degrees, and obtaining a primary winding cylinder;
coating glue on the outer side of the primary winding drum to wind the same inclined second layer long roll sheet, wherein the number of winding layers is 3-5 layers of odd number layers;
or the outer side of the primary winding cylinder is coated with glue to wind the second layer of long roll sheet material which is inclined opposite to the first layer, and the number of winding layers is 3-5 layers of odd number of winding layers;
after winding, curing and forming the winding cylinder through microwave heating to obtain a bamboo packaging box material;
(8) The bamboo packaging box material is subjected to fixed-length transverse sawing, and the lengths of the transverse sawing are respectively as follows: bamboo rings with the length being the same as the height of the wall of the designed packaging box, the length being the same as the height of the wall of the designed packaging box cover and the length being 0.4-0.6 cm;
(9) The gluing and forming of the bottom cover plate or the box cover plate, wherein a flattened bamboo veneer with the thickness of 3-7 mm is adopted, the bottom cover plate or the box cover plate with the same size and shape as the section size and shape of the packaging box body is prepared through milling and stamping forming, two side surfaces of the bottom cover plate and the box cover plate are glued, the two side surfaces are respectively glued with the opening end of one side of the packaging box body and the opening end of one side of the packaging box cover, and the outer side edges of the bottom cover plate or the box cover plate are respectively glued with a bamboo ring to form the packaging box body with the bottom and the packaging box cover with the cover;
(10) Winding and pasting the outer wrapping layer, and respectively winding and pasting 1-2 layers of the outer peripheral walls of the packaging box body and the packaging box cover by using a slicing sheet plate with the thickness of 10.5-20.5 mm; the length of the wrapping layer of the packing box body with the bottom is smaller than that of the packing box body, and a reserved edge part with the length of 12-15 mm is arranged at one side edge of the wrapping layer, which is wrapped by the wrapping layer, from the opening end of the packing box body, so that a box edge is formed; the length of the opposite winding layer of the packaging box cover with the cover is longer than that of the packaging box cover, and a reserved edge part with the length of 12-15 mm is arranged at one winding side edge of the outer wrapping layer longer than the opening end of the packaging box cover to form a cover edge; the cover edge of the packaging box cover with the cover is inserted and buckled on the box edge of the packaging box body with the bottom to form a packaging box with the cover;
or, mechanically screwing out an outer concave edge with the width being half of the wall thickness of the packaging box body from the outer peripheral wall which is 12-15 mm away from the opening end of the packaging box body to form the outer concave edge of the packaging box body; mechanically screwing out an inward concave edge with the width being half of the wall thickness of the packaging box cover on the inner peripheral wall which is 12-15 mm away from the opening end of the packaging box cover to form the inward concave edge of the packaging box cover, and inserting and buckling the inward concave edge of the packaging box cover with the cover on the outer side of the outward concave edge of the packaging box body with the bottom to form the packaging box with the cover;
(11) Polishing the packaging box body and the packaging box cover respectively, removing uneven surfaces or burrs, and externally pasting packaging product introduction posts to finish the manufacturing of the winding type bamboo packaging box.
2. The method according to claim 1, characterized in that: the winding of the long coiled sheets with the same inclined direction is that the joints between two long coiled sheets with adjacent winding layers are arranged in a staggered manner.
3. The method according to claim 1, characterized in that: the outer side of the primary winding cylinder is coated with glue to wind the second layer of long roll sheet material which is inclined reversely to the first layer, and the like, namely, the long roll sheet material of one layer, three layer and five layer is wound in the same inclined direction, and the long roll sheet material of two layers and four layers is wound in the same inclined direction and is reversely to the adjacent layer.
4. The method according to claim 1, characterized in that: the section shape of the bamboo packing box is round, square, triangle or polygon.
5. The method according to claim 1, characterized in that: the step (9) further comprises the following steps: the inner peripheral wall 5-6 mm away from the opening end of one side of the packing box body is mechanically screwed with a sealing piece inner groove with the width being half of the thickness of the wall of the packing box body, the inner peripheral wall 5-6 mm away from the opening end of one side of the packing box cover is mechanically screwed with a sealing piece inner groove with the width being half of the thickness of the wall of the packing box cover, a flattened bamboo veneer with the thickness of 4-5 mm is adopted, a bottom cover plate or a box cover plate with the size being matched with the size of the sealing piece inner groove is prepared through milling and stamping, the packing box body and the sealing piece inner groove of the packing box cover are glued, the packing box body and the packing box cover plate are respectively adhered with one bottom cover plate or one box cover plate, and the opening ends of one side of the packing box body and the packing box cover are sealed by the bottom cover plate or the box cover plate, so that the packing box cover with the bottom is formed.
6. The method according to claim 1, characterized in that: and after winding, the winding cylinder is cured and formed by microwave heating, wherein the forward pressure is applied, the forward pressure is 1MPa, the curing temperature is 140 ℃, the time is 10 minutes, and the temperature is increased to cure the adhesive.
7. The method according to claim 1, characterized in that: the thickness of the non-woven paper is 0.1-0.3 mm.
8. The method according to claim 1, characterized in that: and the outer side of the primary winding cylinder is coated with glue to wind a second layer of long roll sheet material which is inclined opposite to the first layer, and the included angle between the tangent line of the winding direction of the second layer of long roll sheet material and the central axis of the die is 15-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311058914.9A CN116852792A (en) | 2023-08-22 | 2023-08-22 | Manufacturing method of winding type bamboo packaging box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311058914.9A CN116852792A (en) | 2023-08-22 | 2023-08-22 | Manufacturing method of winding type bamboo packaging box |
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| Publication Number | Publication Date |
|---|---|
| CN116852792A true CN116852792A (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311058914.9A Pending CN116852792A (en) | 2023-08-22 | 2023-08-22 | Manufacturing method of winding type bamboo packaging box |
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| Country | Link |
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| CN (1) | CN116852792A (en) |
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- 2023-08-22 CN CN202311058914.9A patent/CN116852792A/en active Pending
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