CN110589165B - Packaging paper box - Google Patents
Packaging paper box Download PDFInfo
- Publication number
- CN110589165B CN110589165B CN201910895636.XA CN201910895636A CN110589165B CN 110589165 B CN110589165 B CN 110589165B CN 201910895636 A CN201910895636 A CN 201910895636A CN 110589165 B CN110589165 B CN 110589165B
- Authority
- CN
- China
- Prior art keywords
- plate
- protective cover
- lapping
- curb plate
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 28
- 239000003292 glue Substances 0.000 claims abstract description 11
- 239000011087 paperboard Substances 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims abstract 2
- 239000010410 layer Substances 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 239000011111 cardboard Substances 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 6
- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 4
- 239000011257 shell material Substances 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 2
- 239000004568 cement Substances 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000000123 paper Substances 0.000 description 46
- 239000002390 adhesive tape Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000004417 polycarbonate Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 6
- 239000004831 Hot glue Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 229910000464 lead oxide Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- -1 alumina Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000008093 supporting effect Effects 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
-
- 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
- B65D5/50—Internal supporting or protecting elements for contents
-
- 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
-
- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cartons (AREA)
Abstract
The invention discloses a packaging carton which comprises a carton body, rubber strips, hooks and a protective cover, wherein the carton body comprises a top plate, a bottom plate, side plates and four bonding plates, the side plates and the bonding plates are folded by bending and pressing at 90 degrees in a quarter way through a piece of paperboard, the bonding plates are overlapped with one side plate, the bonding plates are fixedly connected with the side plates through glue, the number of the rubber strips is three, the rubber strips are positioned on the inner sides of the other three side plates and are fixedly connected with the three side plates, the hooks are positioned on the inner sides of the side plates overlapped with the bonding plates and are fixedly connected with the side plates, the rubber strips and the bonding plates are positioned at the same height, and the protective cover is positioned on the upper parts of the rubber strips and the hooks and is fixedly supported and supported by the rubber strips and the hooks. The whole lapping plate is fixedly bonded with the side plate, and the protective cover is fixed in the box body by arranging the rubber strip and the lapping hook, so that the structural strength of the box body is improved.
Description
Technical Field
The invention relates to the technical field of packaging, in particular to a packaging carton.
Background
In recent years, along with the progress of society, various commodity packaging modes are layered endlessly, when the tubular vulnerable products are packaged, a packaging paper box is generally selected for packaging, the packaging paper box is an indispensable part of modern logistics and bears important responsibility for containing, protecting and beautifying, and the physical performance index of the packaging paper box becomes the basis for quality evaluation.
When the existing packaging paper box is used for packaging the tubular vulnerable products, a piece of paper board is subjected to indentation cutting at different positions, then is folded along the indentation or a tailor, and finally four wall joints of the folded paper box are adhered by glue, and a top cover and a bottom cover are bonded and formed by plastic adhesive tapes; the cardboard joints which are frequently seen in the prior art are arranged at the included angles of the four walls of the box body, and the joints are arranged at the included angles of the four walls of the box body, so that the joints are easy to pull and squeeze the cardboard on the two sides which are vertically adjacent, the cardboard is extremely easy to damage at the joints, the protection effect on the articles contained in the cardboard is lost, and unnecessary losses are caused.
Disclosure of Invention
The invention aims to provide a packaging paper box, which solves the problem that the strength of the bonding structure of the packaging paper box is not high by using glue at the joint of the side walls.
The technical aim of the invention is realized by the following technical scheme:
The utility model provides a packing carton, includes box, rubber strip, latch, visor, the box includes roof, bottom plate, curb plate, latch plate, the curb plate is provided with four, the curb plate is folded according to quarter 90 degrees crimp with the latch plate through a cardboard, the latch plate with one of them curb plate coincidence, just the latch plate with this curb plate passes through glue fixed connection, the rubber strip is provided with three, the rubber strip is located the inboard of remaining three curb plate just with three curb plate fixed connection, the latch be located with the inboard of the curb plate of latch plate coincidence just with curb plate fixed connection, the rubber strip with the latch plate is located same high position, the visor is located the rubber strip with latch upper portion just through rubber strip and latch support fixed.
By adopting the technical scheme, four side plates and one lapping plate are generated by quartering the paper board, the lapping plate and one side plate are bonded and fixed by glue, the whole lapping plate is overlapped with the side plates and bonded and fixed, so that the bonding range is wide, the fixing effect is better, compared with the joint between the side plates, the side plates are subjected to much smaller pulling and extrusion, the joint between the side plates is changed into the whole side plate surface, the pulling and extrusion force applied to the bonding part is reduced, the bonding range is enlarged, the bonding strength is increased, the overall strength of the box is improved, the protective cover is fixed in the box body by arranging the rubber strips and the lapping hooks, the box body with the hollow inside is supported by the protective cover, the shaping and supporting effects are realized on the inner part of the box body, and the strength of the box body is further improved.
Preferably, the middle part of the protective cover is provided with a through hole, one side of the top of the lapping plate is flush with the side plate, and the other side of the top of the lapping plate is slightly lower than the side plate.
By adopting the technical scheme, the through hole is formed in the middle of the protective cover, so that the support column of the tubular fragile product can penetrate through the protective cover, the protective cover can protect the tubular fragile product, and the lap plate is arranged in a state that one side is high and the other side is low, so that a gap with a hollow groove can be formed between the lower part of the lap plate and the protective cover, and the protective cover can be conveniently taken out during unpacking.
Preferably, the top plate and the bottom plate are connected and fixed by using adhesive tapes.
By adopting the technical scheme, the box body is sealed by adopting the adhesive tape for fixation, and the adhesive tape is easy to paste and tear, so that the box body is convenient to seal and disassemble, and the adhesive tape is low in cost and good in fixation effect.
Preferably, the crease points among the paperboards are all subjected to folding and creasing by using an automatic creasing machine.
By adopting the technical scheme, the automatic creasing machine is used for creasing, and because the automatic creasing machine has large creasing force, the pressed creasing is more uniform relative to the manual creasing, the quality is high, and the automatic creasing machine has high creasing speed, so that the creasing efficiency is improved.
Preferably, the box body is a corrugated board box body, and the corrugated board is provided with five layers.
By adopting the technical scheme, the corrugated paper has the advantages of low cost, light weight, easiness in processing, high strength, excellent printing adaptability, convenience in storage and transportation and the like, most of corrugated paper can be recycled, and the corrugated paper is selected as a material of the packaging paper box, so that the packaging paper box has the characteristics of low cost, high strength, convenience in storage and transportation and environmental protection, and five layers of corrugated paper have high strength and can be used for packaging vulnerable articles with high quality.
Preferably, the box body sequentially comprises outer paper, outer corrugated medium paper, middle packing paper, inner corrugated medium paper and inner paper from outside to inside, wherein the outer corrugated paper is a B-type corrugated, and the inner corrugated paper is an A-type corrugated.
By adopting the technical scheme, the inner corrugated medium adopts the A-type corrugated, plays a role in buffering, enables the structure of the corrugated paper to be firmer, the outer corrugated medium adopts the B-type corrugated, enables the surface of the packaging paper box to be printed more attractive, and is provided with the facial tissue outside and inside, and the middle is provided with the packing paper to enable the structure to be more compact, so that the five-layer corrugated paper board has larger strength and can package vulnerable articles with larger quality.
Preferably, the layers of the box body are bonded by using a bonding agent, and the bonding agent is sodium silicate inorganic adhesive.
The inorganic adhesive is prepared by adding metal oxides such as aluminum oxide, silicon oxide, lead oxide, zinc oxide and the like, and the inorganic adhesive of the sodium carbonate has the characteristics of high temperature resistance, oil resistance, alkali resistance and the like, and has extremely high adhesive strength, so that all layers of corrugated paper can be firmly adhered and fixed, and all layers are not easy to fall off and separate.
Preferably, the protective cover is made of PC hard shell material.
By adopting the technical scheme, PC is short for polycarbonate, is a colorless transparent amorphous thermoplastic material, and has the characteristics of strong hardness, falling resistance, light weight, thinness and good transmittance, so that the protective cover made of PC material can protect the inside vulnerable articles.
Preferably, the glue used between the lapping plate and the side plate overlapped with the lapping plate is EVA hot melt glue.
By adopting the technical scheme, the EVA hot melt adhesive is a solid meltable polymer which does not need a solvent, does not contain water and has 100 percent of solid, is solid at normal temperature, is heated and melted to a certain extent to become a liquid adhesive which can flow and has certain viscosity, is light brown semitransparent body or white after being melted, has the advantages of quick solidification, low pollution, strong adhesive force, and the adhesive layer has certain flexibility, hardness and certain toughness, so the EVA hot melt adhesive is used for bonding and fixing the lapping plate and the side plate, so that the lapping plate and the side plate are firmly fixed, and has certain toughness, and the cracking and the damage caused by collision and pulling are prevented.
Preferably, a sponge protection layer is arranged in the protection cover, and the sponge protection layer is fixedly connected with the protection cover.
By adopting the technical scheme, through setting up the sponge protective layer, when collision or rocking makes article and visor contact, the sponge protective layer plays the effect of buffering protection, avoids the damage of article.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic diagram showing the structure of a protective cover according to an embodiment;
FIG. 3 is a schematic view showing the position of a rubber strip and a hook in an embodiment;
FIG. 4 is a schematic diagram showing the position of a base plate according to an embodiment;
Fig. 5 is a schematic structural view showing a case according to an embodiment.
Reference numerals: 1. a protective cover; 2. a case; 3. a sponge protective layer; 4. a through hole; 5. a top plate; 6. a side plate; 7. a lapping plate; 8. a rubber strip; 9. hooking; 10. a bottom plate; 11. an outer paper; 12. an outer corrugated medium; 13. middle backing paper; 14. an inner corrugated medium; 15. an inner surface paper.
Detailed Description
The following description is only of the preferred embodiments of the present invention, and the scope of the present invention should not be limited to the examples, but should be construed as falling within the scope of the present invention. It should also be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention are intended to be comprehended within the scope of the present invention.
See fig. 1 to 5, a packaging carton, which comprises a box body 2, rubber strips 8, hooks 9 and a protective cover 1, wherein the box body 2 comprises a top plate 5, a bottom plate 10, side plates 6 and a lapping plate 7, the side plates 6 are provided with four plates, the side plates 6 and the lapping plate 7 are folded by being bent and pressed vertically by 90 degrees according to quartering through a piece of paper plate, the lapping plate 7 is overlapped with one side plate 6, the lapping plate 7 and the side plates 6 are fixedly connected through glue, the rubber strips 8 are provided with three, the rubber strips 8 are positioned on the inner sides of the three side plates 6 and are fixedly connected with the three side plates 6, the hooks 9 are positioned on the inner sides of the side plates 6 overlapped with the lapping plate 7 and are fixedly connected with the side plates 6, the rubber strips 8 and the lapping plate 7 are positioned at the same height position, and the protective cover 1 is positioned on the upper parts of the rubber strips 8 and the hooks 9 and is fixedly supported by the rubber strips 8 and the hooks 9.
Through thereby four side plates 6 and a lapping plate 7 are produced to the quartering of cardboard, through lapping plate 7 with thereby one of them side plate 6 uses glue bonding to fix, whole lapping plate 7 and side plate 6 coincide and bonding is fixed for the scope of bonding is wide, fixed effect is better, compare with the junction between the side plate 6, the pulling and the extrusion that side plate 6 received are less, consequently change the junction between the side plate 6 into the whole face of side plate 6 with the junction, the pulling and the extrusion force that the junction received have been reduced, and the scope of bonding has been increased, make the intensity of bonding fixed increase, thereby improve the bulk strength of box 2, and because lapping plate 7 is located inside the side plate 6, it is difficult to see the existence of lapping plate 7 from the outside, thereby make lapping plate 7 reach stealthy effect, make the whole pleasing to the eye of box while keeping box intensity improvement, and make visor 1 fix in box 2 through setting up rubber strip 8 and hook 9, support inside hollow box 2, to box 2 inside, shape and support effect has further improved the intensity of box 2.
The through hole 4 has been seted up at visor 1 middle part, and lap board 7 top one side flushes with curb plate 6, and the another side is slightly less than curb plate 6, and visor 1 inside is provided with sponge protective layer 3, sponge protective layer 3 and visor 1 fixed connection.
The middle part of the protective cover 1 is provided with a through hole 4, so that a support column of the tubular vulnerable product in the box body 2 can penetrate through the protective cover 1, the protective cover 1 can protect the tubular vulnerable product in the box body 2, and a gap with a hollow groove can be formed between the lower part of the lapping plate 7 and the protective cover 1 by arranging the lapping plate 7 in a state that one side is high and the other side is low, so that the protective cover 1 is conveniently taken out during unpacking; and through setting up sponge protective layer 3, when collision or rocking makes article and visor 1 contact, sponge protective layer 3 plays the effect of buffering protection, avoids the damage of article, has further played the guard action.
The top plate 5 and the bottom plate 10 are connected and fixed by using the adhesive tape, the box body 2 is sealed by adopting the adhesive tape for fixation, and the adhesive tape is easy to adhere and tear, so that the sealing and the dismounting are convenient, the adhesive tape cost is low, and the fixing effect is good.
The box body 2 is a corrugated cardboard box body 2, the corrugated cardboard is provided with five layers, and as shown in figure 5, the corrugated cardboard box body sequentially comprises outer paper 11, outer corrugated medium 12, middle packing paper 13, inner corrugated medium 14 and inner paper 15 from outside to inside.
The corrugated paper has the advantages of low cost, light weight, easy processing, high strength, good printing adaptability, convenient storage and transportation and the like, most of the corrugated paper can be recycled, and the corrugated paper is selected as a material of the packaging paper box, so that the packaging paper box has the characteristics of low cost, high strength, convenient storage and transportation and environmental protection, and five layers of corrugated paper have high strength and can be used for packaging vulnerable articles with high quality.
In five layers of corrugated paper, the inner corrugated medium 14 is a type A corrugated paper, so that the corrugated paper has a stronger structure, the outer corrugated medium 12 is a type B corrugated paper, the surface of the packaging paper box is printed more attractive, the surface paper is arranged outside and inside, and the packing paper is arranged in the middle, so that the structure is more compact, the five layers of corrugated paper boards have higher strength, and vulnerable articles with higher quality can be packaged.
Sodium silicate inorganic adhesive is selected as an adhesive between the layers of the box body 2, and EVA hot melt adhesive is used for fixing the lapping plate 7 and the side plate 6 overlapped with the lapping plate.
The inorganic sodium carbonate adhesive is prepared with sodium silicate as base material and metal oxides, such as alumina, silica, lead oxide, zinc oxide, etc. and has high heat resistance, oil resistance, alkali resistance, etc. and high adhesive strength, so that the layers of corrugated paper may be adhered firmly to each other and not separated easily.
The EVA hot melt adhesive is a solid meltable polymer which does not need solvent, does not contain water and has 100 percent of solid, is solid at normal temperature, is heated and melted to a certain extent to become a liquid adhesive which can flow and has certain viscosity, is light brown semitransparent body or white after being melted, has the advantages of quick solidification, low pollution, strong adhesive force, certain flexibility, hardness and certain toughness of an adhesive layer, and therefore, the EVA hot melt adhesive is used for bonding and fixing the lapping plate 7 and the side plate 6, so that the lapping plate 7 and the side plate 6 are firmly fixed, and also have certain toughness, and prevent cracking and damage caused by collision and pulling.
The protective cover 1 is made of PC hard shell material, PC is simply called as polycarbonate, is colorless and transparent amorphous thermoplastic material, and has the characteristics of high hardness, shatter resistance, light weight, thinness and good light transmittance, so that the protective cover 1 made of PC material can protect vulnerable articles inside.
The automatic creasing machine is used for folding and creasing at the crease positions among the paperboards, and is used for creasing, and the creasing is more uniform relative to manual creasing due to the fact that the automatic creasing machine has large creasing force, the quality is high, the creasing speed of the automatic creasing machine is high, and the creasing efficiency is improved.
Claims (7)
1. The utility model provides a packing carton, its characterized in that includes box (2), rubber strip (8), hook (9), visor (1), box (2) include roof (5), bottom plate (10), curb plate (6), lapping plate (7), curb plate (6) are provided with four, curb plate (6) and lapping plate (7) are according to quarter 90 degrees bending folding perpendicularly, lapping plate (7) coincide with one of them curb plate (6), just lapping plate (7) pass through glue fixed connection with coincident curb plate (6), rubber strip (8) are provided with three, rubber strip (8) are located the inboard of all the other three curb plates (6) and with three curb plate (6) fixed connection, hook (9) be located with curb plate (6) inboard of lapping plate (7) coincide and with curb plate (6) fixed connection, rubber strip (8) with lapping plate (7) are located same height position, visor (1) are located 8) and are located hook (8) and are provided with through-hole (4) are held in the middle part (1) and keep up with hook (6) fixed connection, the other side is slightly lower than the side plate (6), the top plate (5) and the bottom plate (10) are connected and fixed by using rubberized fabric, and folding and creasing are carried out at crease positions among all paperboards by using an automatic creasing machine.
2. A packaging carton according to claim 1, characterized in that the carton body (2) is a corrugated cardboard carton body (2) provided with five layers.
3. A packaging carton according to claim 2, characterized in that the carton body (2) is, from outside to inside, an outer sheet (11), an outer corrugated medium (12), a middle backing sheet (13), an inner corrugated medium (14), an inner sheet (15).
4. A packaging carton according to claim 3, characterized in that the layers of the box (2) are bonded with an adhesive, which is selected from sodium silicate inorganic cements.
5. A packaging carton according to claim 4, characterized in that the protective cover (1) is a protective cover (1) of PC hard shell material.
6. A packaging carton according to claim 5, characterized in that the glue used between the overlap plate (7) and the side plate (6) coinciding therewith is EVA hot melt glue.
7. A packaging carton according to claim 6, characterized in that the protective cover (1) is internally provided with a sponge protective layer (3), the sponge protective layer (3) being fixedly connected with the protective cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895636.XA CN110589165B (en) | 2019-09-21 | 2019-09-21 | Packaging paper box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895636.XA CN110589165B (en) | 2019-09-21 | 2019-09-21 | Packaging paper box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110589165A CN110589165A (en) | 2019-12-20 |
| CN110589165B true CN110589165B (en) | 2024-04-19 |
Family
ID=68862009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910895636.XA Active CN110589165B (en) | 2019-09-21 | 2019-09-21 | Packaging paper box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110589165B (en) |
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| CN208897607U (en) * | 2018-09-21 | 2019-05-24 | 大连市竹庭休闲农业有限公司 | A kind of cherry accommodating box |
| CN210853304U (en) * | 2019-09-21 | 2020-06-26 | 海宁拓朗包装制品有限公司 | Packing carton |
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| CN207497193U (en) * | 2017-11-24 | 2018-06-15 | 宁波市镇海科比特音响有限公司 | A kind of sound column equipment package box |
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