CN110126397B - Corrugated board with automatic recovery capability - Google Patents
Corrugated board with automatic recovery capability Download PDFInfo
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- CN110126397B CN110126397B CN201910498556.0A CN201910498556A CN110126397B CN 110126397 B CN110126397 B CN 110126397B CN 201910498556 A CN201910498556 A CN 201910498556A CN 110126397 B CN110126397 B CN 110126397B
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- 238000011084 recovery Methods 0.000 title claims abstract description 20
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- 239000010410 layer Substances 0.000 claims abstract description 101
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 238000005192 partition Methods 0.000 claims abstract description 20
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- 239000002655 kraft paper Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
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- 239000011229 interlayer Substances 0.000 claims description 12
- 239000004745 nonwoven fabric Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 239000011111 cardboard Substances 0.000 claims description 9
- 239000002344 surface layer Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000010455 vermiculite Substances 0.000 claims description 5
- 229910052902 vermiculite Inorganic materials 0.000 claims description 5
- 235000019354 vermiculite Nutrition 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000004836 Glue Stick Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 7
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- 238000007254 oxidation reaction Methods 0.000 description 2
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- 239000004115 Sodium Silicate Substances 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/06—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/08—Corrugated paper or cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- Laminated Bodies (AREA)
Abstract
The invention discloses a corrugated board with automatic recovery capability, which comprises an elastic rubber layer, plastic clapboards and through holes, wherein the plastic clapboards are arranged at the upper end and the lower end of the elastic rubber layer, the through holes are arranged in the middle of the surface of the elastic rubber layer, and a reinforcing layer is arranged on the surface of the plastic clapboard at the lower end of the elastic rubber layer. The corrugated board has the advantages that the two arc-shaped plates where the valley point of the first corrugated paper core layer and the peak point of the second corrugated paper core layer are located are used for extrusion buffering, and meanwhile, the elastic rubber layer can be compressed and buffered through the through holes to form required elasticity, so that the corrugated board has high elasticity under the condition of simple structure; according to the corrugated paper board, the first corrugated paper core layer and the second corrugated paper core layer are used for preliminary blocking, the double-layer plastic partition plate and the elastic rubber layer are used for blocking, the corrugated paper board is prevented from being punctured through multi-layer blocking, the stability of the whole structure is improved, the structure is simple, and the cost is low.
Description
Technical Field
The invention belongs to the technical field of corrugated boards, and particularly relates to a corrugated board with automatic recovery capability.
Background
Corrugated board is a multi-layer adhesive body, which is composed of at least one wave-shaped core paper interlayer and one layer of paper board (also called as cardboard paper and box paper board). It has high mechanical strength and can resist collision and falling in the process of transportation. The actual performance of a corrugated box depends on three factors: the nature of the core paper and paperboard and the structure of the carton itself. Also known as corrugated cardboard. Is formed by bonding at least one layer of corrugated paper and one layer of boxboard (also called boxboard), and has better elasticity and extensibility. The method is mainly used for manufacturing cartons, the sandwich of the cartons and other packaging materials of fragile commodities. The raw paper board similar to yellow paper board is made up by using straw pulp of earth method and waste paper through pulping, then is mechanically processed and rolled into corrugated form, then on its surface the adhesive of sodium silicate is used to adhere it to the cardboard paper so as to obtain the invented product.
The prior art has the following problems: the existing high-elasticity double-corrugated-core corrugated board has the problems of complex structure, high processing cost, unsatisfactory elasticity effect, difficult popularization and difficult automatic recovery after local deformation and dent.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a corrugated board with automatic recovery capability, which has the characteristics of simple structure, low cost and good elastic effect.
In order to achieve the purpose, the invention provides the following technical scheme: a corrugated paper board with automatic recovery capability comprises an elastic rubber layer, a plastic clapboard and a through hole, the upper end and the lower end of the elastic rubber layer are both provided with plastic clapboards, the middle of the surface of the elastic rubber layer is provided with a through hole, the surface of the plastic clapboard at the lower end of the elastic rubber layer is provided with a reinforcing layer, the surface of the reinforcing layer far away from the plastic clapboard is provided with an inner paper surface layer, a second corrugated paper core layer is arranged on the surface of the plastic partition plate at the upper end of the elastic rubber layer, a paper interlayer is arranged at the upper end of the second corrugated paper core layer, a first corrugated paper core layer is arranged at the upper end of the paper interlayer, a non-woven fabric positioning layer is arranged at the upper end of the first corrugated paper core layer, an elastic buffer layer is arranged at the upper end of the non-woven fabric positioning layer, a kraft paper layer is arranged at the upper end of the elastic buffer layer, and an outer paper surface layer is arranged at the upper end of the kraft paper layer;
the corrugated paper comprises a first corrugated paper core layer, a second corrugated paper core layer, a plurality of wave troughs and wave peaks, wherein the first corrugated paper core layer and the second corrugated paper core layer are both wavy, the wave trough points of the first corrugated paper core layer correspond to the wave peak points of the second corrugated paper core layer, and a plurality of hollow prisms are continuously arranged in the wave troughs and the wave peaks of the second corrugated paper core layer; the tip of the triangular prism in the wave trough of the first corrugated paper core layer is vertically downward, and the side surface of the triangular prism is tangent to the cambered surface of the first corrugated paper core layer; the tip of the triangular prism at the wave crest of the second corrugated paper core layer is vertically upward, and the side surface of the triangular prism is tangent to the cambered surface of the second corrugated paper core layer; the arrangement height of the triangular prisms in the second corrugated paper core layer is the same as the height of the second corrugated paper core layer; the triangular prism is provided with a plurality of bottleneck-shaped air holes, and the air holes are communicated after the edges of the air holes of the triangular prism are deformed; the interior of the triangular prism is coated with a waterproof material, the interior of the triangular prism is filled with a fine powder mixture of iron, vermiculite, activated carbon, water and salt, and a large number of air bags filled with thermal expansion gas are filled in the interior of the triangular prism, and the surfaces of the air bags are coated with coatings with friction resistance and corrosion resistance; an air passage is arranged between the through hole and the lower end gap of the second corrugated paper core layer.
Preferably, four cylinders are arranged at the corresponding points of the wave valley point of the first corrugated paper core layer and the wave peak point of the second corrugated paper core layer; a plurality of pull wires penetrating through the paper interlayer are connected between the adjacent cylinders which are distributed diagonally; the cylinders which are diagonally distributed are mutually tensioned so that the two cylinders which are positioned on the same horizontal plane carry out limiting and fixing on the wave valley point of the first corrugated paper core layer or the wave peak point of the second corrugated paper core layer.
Preferably, the elastic buffer layer is a spring arranged in a crisscross manner.
Preferably, the plastic partition plate and the elastic rubber layer are fixed by gluing through glue.
Preferably, first corrugated paper sandwich layer and the same only mounted position of second corrugated paper sandwich layer structure are different, first corrugated paper sandwich layer and second corrugated paper sandwich layer all with between the paper interlayer through glue gluing fixedly.
Preferably, the through holes in the elastic rubber layer are uniformly distributed, and the number of the through holes is not less than three.
Preferably, the outer paper surface layer and the kraft paper layer, the kraft paper layer and the elastic buffer layer and the non-woven fabric positioning layer are fixed by glue.
Compared with the prior art, the invention has the beneficial effects that:
1. the corrugated board has the advantages that the two arc-shaped plates where the valley point of the first corrugated paper core layer and the peak point of the second corrugated paper core layer are located are used for extrusion buffering, and meanwhile, the elastic rubber layer can be compressed and buffered through the through holes to form required elasticity, so that the corrugated board has high elasticity under the condition of simple structure;
2. according to the corrugated paper board, the first corrugated paper core layer and the second corrugated paper core layer are used for preliminary blocking, the double-layer plastic partition plate and the elastic rubber layer are used for blocking, the corrugated paper board is prevented from being punctured through multi-layer blocking, the stability of the whole structure is improved, the structure is simple, and the cost is low.
3. According to the corrugated board, the contact point of the first corrugated board core layer and the second corrugated board core layer can be limited through the cylinder connected by the pull rope, so that the contact part of the wave valley point of the first corrugated board core layer and the wave peak point of the second corrugated board core layer can be normally extruded and buffered, in addition, the triangular bodies 13 are arranged in the first corrugated board core layer 3 and the second corrugated board core layer 4, the triangular bodies can automatically generate heat after deformation, so that air bags arranged in the triangular bodies are heated and expanded, the sunken parts of the corrugated board are jacked up, the corrugated board is automatically deformed, and the automatic recovery capability of the corrugated board is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is an enlarged view at C of FIG. 1;
in the figure: 1. an outer paper facing; 2. a kraft layer; 3. a first corrugated paper core layer; 4. a second corrugated paper core layer; 5. an elastic rubber layer; 6. a plastic partition plate; 7. an enhancement layer; 8. an inner paper facing; 9. a through hole; 10. a paper interlayer; 11. a non-woven fabric positioning layer; 12. elastic buffer layer 13, prism; 131. air holes 131; 91. an air passage 91; 14. a cylinder; 141 a wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a corrugated board with automatic recovery capability comprises an elastic rubber layer 5, plastic partition plates 6 and through holes 9, wherein the upper end and the lower end of the elastic rubber layer 5 are respectively provided with the plastic partition plates 6, in order to improve the firmness of structural fixation, the plastic partition plates 6 and the elastic rubber layer 5 are fixed by gluing through glue, the middle of the surface of the elastic rubber layer 5 is provided with the through holes 9, in order to improve the elasticity of the elastic rubber layer 5, the through holes 9 in the elastic rubber layer 5 are uniformly distributed, the number of the through holes 9 is not less than three, the surface of the plastic partition plate 6 at the lower end of the elastic rubber layer 5 is provided with a reinforcing layer 7, the surface of the reinforcing layer 7, which is far away from the plastic partition plate 6, is provided with an inner paper surface layer 8, the surface of the plastic partition plate 6 at the upper end of the elastic rubber layer 5 is provided with, in order to improve the buffering power of the corrugated paper, the first corrugated paper core layer 3 and the second corrugated paper core layer 4 have the same structure and are only arranged at different installation positions, the first corrugated paper core layer 3 and the second corrugated paper core layer 4 are fixed with the paper interlayer 10 by glue, in order to improve the structural stability, the wave valley point of the first corrugated paper core layer 3 corresponds to the wave peak point of the second corrugated paper core layer 4, the upper end of the first corrugated paper core layer 3 is provided with a non-woven fabric positioning layer 11, the upper end of the non-woven fabric positioning layer 11 is provided with an elastic buffer layer 12, the upper end of the elastic buffer layer 12 is provided with a kraft paper layer 2, the upper end of the kraft paper layer 2 is provided with an outer paper surface layer 1, in order to improve the fixation firmness, the outer paper surface layer 1 and the kraft paper layer 2, the kraft paper layer 2 and the elastic buffer layer 12, and the elastic buffer layer 12 and the non-woven fabric positioning layer 11 are fixed by gluing with glue;
the first corrugated paper core layer 3 and the second corrugated paper core layer 4 are both in a wavy shape, the valley point of the first corrugated paper core layer 3 corresponds to the peak point of the second corrugated paper core layer 4, and a plurality of prisms 13 with hollow interiors are continuously arranged in the valley of the first corrugated paper core layer 3 and the peak of the second corrugated paper core layer 4; the tip of the triangular prism 13 in the wave trough of the first corrugated paper core layer 3 is vertically downward, and the side surface of the triangular prism 13 is tangent to the cambered surface of the first corrugated paper core layer 3; the tip of the triangular prism 13 at the crest of the second corrugated paper core layer 4 is vertically upward, and the side surface of the triangular prism 13 is tangent to the cambered surface of the second corrugated paper core layer 4; the arrangement height of the triangular prisms 13 in the second corrugated paper core layer 4 is the same as the height of the second corrugated paper core layer 4; a plurality of bottleneck-shaped air holes 131 are formed in the triangular prism 13, and the air holes 131 are communicated after the edges of the air holes 131 of the triangular prism 13 are deformed; the interior of the triangular prism 13 is coated with a waterproof material, the interior of the triangular prism 13 is filled with a fine powder mixture of iron, vermiculite, activated carbon, water and salt, and a large number of air bags filled with thermal expansion gas are filled in the interior of the triangular prism 13, and the surfaces of the air bags are coated with coatings with friction resistance and corrosion resistance; an air passage 91 is arranged between the through hole 9 and the lower end gap of the second corrugated paper core layer 4.
Four cylinders 14 are arranged at the corresponding points of the valley point of the first corrugated paper core layer 3 and the peak point of the second corrugated paper core layer 4; a plurality of pull lines 141 penetrating through the paper interlayer 10 are connected between the adjacent cylinders 14 which are distributed diagonally; the cylinders 14 which are diagonally distributed are mutually tensioned, so that the two cylinders 14 which are positioned on the same horizontal plane carry out limiting and fixing on the wave valley point of the first corrugated paper core layer 3 or the wave peak point of the second corrugated paper core layer 4.
During operation, after the first corrugated paper core layer 3 and the second corrugated paper core layer 4 are stressed and deformed, because two cylinders 14 arranged diagonally are connected through a plurality of pull wires 141, the upper cylinder 14 can limit the wave valley point of the first corrugated paper core layer 3, and the lower cylinder 14 can limit the wave peak point of the second corrugated paper core layer 4, so that the wave valley point of the first corrugated paper core layer 3 and the wave peak point of the second corrugated paper core layer 4 can be just corresponding to each other, and the two cylinders 14 positioned on the same horizontal plane can reduce the deformation of the wave valley point of the first corrugated paper core layer 3 or the deformation of the wave peak point of the second corrugated paper core layer 4, thereby enhancing the compression resistance of the corrugated paper board; the first corrugated paper core layer 3 and the second corrugated paper core layer 4 can be connected more firmly and reliably by being bonded at corresponding points through glue; the cylinder 14 and the body 14 in this application are of a rigid paper material or a rigid plastic material.
The elastic buffer layer 12 is a spring arranged in a crisscross manner. The during operation, the intersection point between the adjacent spring passes through the welding point admittedly, vertically and horizontally staggered's spring can provide elasticity when corrugated container board atress is crooked, after the corrugated container board atress disappears, vertically and horizontally staggered's spring can make crooked corrugated container board resume to warp, and vertically and horizontally staggered's spring can make the layout area of spring big, thereby can reduce the use amount of spring, and simultaneously, the restoring force that the spring warp can cooperate with automatic recovery's prism 13, spring tension resets with non-woven fabrics locating layer 11 pull-up, and prism 13 auxiliary spring pushes up non-woven fabrics locating layer 11, make non-woven fabrics locating layer 11, kraft paper layer 2, outer paper surface course 1 warp the recovery, thereby improve this application corrugated container board's automatic recovery ability.
The working principle and the using process of the invention are as follows: when the corrugated board is used, the upper end and the lower end of the elastic rubber layer 5 are respectively fixed with the plastic partition plates 6, the through hole 9 is arranged in the middle of the surface of the elastic rubber layer 5, the valley point of the first corrugated paper core layer 3 and the peak point of the second corrugated paper core layer 4 are correspondingly fixed, when the corrugated board is extruded, the two arc surfaces where the valley point of the first corrugated paper core layer 3 and the peak point of the second corrugated paper core layer 4 are positioned are extruded and buffered, meanwhile, the elastic rubber layer 5 can be compressed and buffered by arranging the through hole 9 to form the required elasticity, so that the corrugated board has high elasticity under the condition of simple structure, the air passage 91 is arranged between the through hole 9 and the lower end gap of the second corrugated paper core layer 4, the air passage 91 can recover deformation and suck air when the through hole 9 is extruded and exhausted, the flowing air flow at the position of the triangular body 13 can be, promoting the exchange of gas between the triangular prism 13 and the outside, thereby improving the ability of the triangular prism to recover deformation; meanwhile, the first corrugated paper core layer 3 and the second corrugated paper core layer 4 are arranged, the plastic partition plates 6 are respectively fixed at the upper end and the lower end of the elastic rubber layer 5, the first corrugated paper core layer 3 and the second corrugated paper core layer 4 are subjected to preliminary separation, and the double-layer plastic partition plates 6 and the elastic rubber layer 5 are utilized for blocking, so that the corrugated board is prevented from being punctured through multi-layer separation, the stability of the whole structure is improved, the structure is simple, and the use is portable;
the triangular prism 13 is made of elastic rubber materials, the triangular prism 13 has stability, the side surface of the triangular prism 13 in the wave trough of the first corrugated paper core layer 3 is tangent to the arc surface of the first corrugated paper core layer 3, the triangular prism 13 can bear or buffer the deformation force of the curved surface of the first corrugated paper core layer 3, the height of the triangular prism 13 in the wave trough of the first corrugated paper core layer 3 is slightly lower than that of the first corrugated paper core layer 3, and when the first corrugated paper core layer 3 is deformed too much under stress, the triangular prism 13 shares pressure for the first corrugated paper core layer 3; the sharp corners of the upper triangular prism 13 are opposite to the sharp corners of the lower triangular prism 13, glue is coated on the sharp corners for bonding, the arrangement height of the triangular prisms 13 in the second corrugated paper core layer 4 is the same as that of the second corrugated paper core layer 4, and the triangular prisms 13 in the second corrugated paper core layer 4 and the second corrugated paper core layer 4 can bear the pressure brought by the triangular prisms 13 on the first corrugated paper core layer 3 together; so that the first corrugated paper core layer 3 and the second corrugated paper core layer 4 can not generate large unrecoverable deformation; the triangular prism 13 deforms after being stressed, the first corrugated paper core layer 3 and the second corrugated paper core layer 4 also deform, but the first corrugated paper core layer 3 and the second corrugated paper core layer 4 are generally difficult to restore the original shapes after deforming; the triangular prism 13 is made of elastic rubber materials, the interior of the triangular prism 13 is closed and filled with a fine powder mixture of iron, vermiculite, activated carbon, water and salt, and a large number of fine air bags filled with thermal expansion gas, the diameter of each air bag is less than 3 mm, and not only the air bags can be replaced by hollow elastic balls; after the corrugated board is deformed, part of the triangular prisms 13 are deformed under stress, after the triangular prisms 13 are deformed, the bottleneck-shaped air holes 131 are opened, air enters the triangular prisms 13 along with the bottleneck-shaped air holes 131, and the air, iron, vermiculite, activated carbon, water and salt are mutually matched, under the action of the activated carbon powder, the contact area between the iron powder and the air is increased, the oxidation of the iron powder can be accelerated by the salt and the water, the oxidation of the iron powder can generate a large amount of heat which can directly heat the air bag, the gas in the air bag absorbs heat to expand, so that the triangular body 13 can be increased in volume, and the triangular body 13 increased in volume acts directly on the first corrugated core layer 3 and the second corrugated core layer 4, therefore, the first corrugated paper core layer 3 and the second corrugated paper core layer 4 can be recovered after being stressed and deformed, and the corrugated board in the application has automatic recovery capability; and, after the triangular prism 13 warp and resumes, gas pocket 131 self-closing, the chemical reaction of going on in the triangular prism 13 will reduce the weak greatly or stop, when corrugated container board next time warp, the chemical reaction in the triangular prism 13 continues to go on to the corrugated container board of this application only needs to make the corrugated container board of this application warp in the food and beverage takeaway packing, just can play heat retaining effect to hot meal, thereby makes the corrugated container board of this application use extensively.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A corrugated paper board with automatic recovery capability comprises an elastic rubber layer (5), a plastic partition board (6) and a through hole (9), and is characterized in that: the upper end and the lower end of the elastic rubber layer (5) are provided with plastic partition boards (6), a through hole (9) is formed in the middle of the surface of the elastic rubber layer (5), the surface of the plastic partition board (6) at the lower end of the elastic rubber layer (5) is provided with an enhancement layer (7), the surface of the enhancement layer (7) far away from the plastic partition board (6) is provided with an inner paper surface layer (8), the surface of the plastic partition board (6) at the upper end of the elastic rubber layer (5) is provided with a second corrugated paper core layer (4), the upper end of the second corrugated paper core layer (4) is provided with a paper interlayer (10), the upper end of the paper interlayer (10) is provided with a first corrugated paper core layer (3), the upper end of the first corrugated paper core layer (3) is provided with a non-woven fabric positioning, the upper end of the elastic buffer layer (12) is provided with a kraft layer (2), and the upper end of the kraft layer (2) is provided with an outer paper surface layer (1);
the corrugated paper is characterized in that the first corrugated paper core layer (3) and the second corrugated paper core layer (4) are wavy, the valley point of the first corrugated paper core layer (3) corresponds to the peak point of the second corrugated paper core layer (4), and a plurality of prisms (13) with hollow interiors are continuously arranged in the wave trough of the first corrugated paper core layer (3) and the peak position of the second corrugated paper core layer (4); the tip of the triangular prism (13) in the wave trough of the first corrugated paper core layer (3) is vertically downward, and the side surface of the triangular prism (13) is tangent to the cambered surface of the first corrugated paper core layer (3); the tip of the triangular prism (13) at the wave crest of the second corrugated paper core layer (4) is vertically upward, and the side surface of the triangular prism (13) is tangent to the cambered surface of the second corrugated paper core layer (4); the arrangement height of the triangular prisms (13) in the second corrugated paper core layer (4) is the same as the height of the second corrugated paper core layer (4); a plurality of bottleneck-shaped air holes (131) are formed in the triangular prism (13), and the air holes (131) are communicated after the edges of the air holes (131) of the triangular prism (13) are deformed; the interior of the triangular prism (13) is coated with a waterproof material, the interior of the triangular prism (13) is filled with a fine powder mixture of iron, vermiculite, activated carbon, water and salt, and a large number of air bags filled with thermal expansion gas are filled in the interior of the triangular prism, and the surfaces of the air bags are coated with a friction-resistant and corrosion-resistant coating; an air passage (91) is arranged between the through hole (9) and the lower end gap of the second corrugated paper core layer (4).
2. A corrugated cardboard having automatic recovery capability as claimed in claim 1 wherein: four cylinders (14) are arranged at the corresponding points of the wave valley point of the first corrugated paper core layer (3) and the wave peak point of the second corrugated paper core layer (4); a plurality of pull wires (141) penetrating through the paper interlayer (10) are connected between the adjacent cylinders (14) which are distributed diagonally; the cylinders (14) which are distributed diagonally are mutually tensioned, so that the two cylinders (14) which are positioned on the same horizontal plane carry out limiting and fixing on the wave valley point of the first corrugated paper core layer (3) or the wave peak point of the second corrugated paper core layer (4).
3. A corrugated cardboard having automatic recovery capability as claimed in claim 1 wherein: the elastic buffer layers (12) are springs which are arranged in a criss-cross mode.
4. A corrugated cardboard having automatic recovery capability as claimed in claim 1 wherein: the plastic partition plate (6) and the elastic rubber layer (5) are fixed by gluing through glue.
5. A corrugated cardboard having automatic recovery capability as claimed in claim 1 wherein: first corrugated paper sandwich layer (3) and second corrugated paper sandwich layer (4) structure are the same only the mounted position is different, first corrugated paper sandwich layer (3) and second corrugated paper sandwich layer (4) all with between paper interlayer (10) glue through glue stick to be fixed.
6. A corrugated cardboard having automatic recovery capability as claimed in claim 1 wherein: through holes (9) in the elastic rubber layer (5) are uniformly distributed, and the number of the through holes (9) is not less than three.
7. A corrugated cardboard having automatic recovery capability as claimed in claim 1 wherein: between outer paper surface course (1) and kraft paper layer (2), between kraft paper layer (2) and elastic buffer layer (12) and between elastic buffer layer (12) and non-woven fabrics locating layer (11) all glue through glue and glue fixedly.
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| CN201910498556.0A CN110126397B (en) | 2019-06-10 | 2019-06-10 | Corrugated board with automatic recovery capability |
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| CN201910498556.0A CN110126397B (en) | 2019-06-10 | 2019-06-10 | Corrugated board with automatic recovery capability |
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| CN110126397B true CN110126397B (en) | 2021-02-26 |
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