CN110228262B - Corrugated board with low deformation rate - Google Patents

Corrugated board with low deformation rate Download PDF

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Publication number
CN110228262B
CN110228262B CN201910545610.2A CN201910545610A CN110228262B CN 110228262 B CN110228262 B CN 110228262B CN 201910545610 A CN201910545610 A CN 201910545610A CN 110228262 B CN110228262 B CN 110228262B
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China
Prior art keywords
elastic
layer
corrugated
corrugated paper
core layer
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Expired - Fee Related
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CN201910545610.2A
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Chinese (zh)
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CN110228262A (en
Inventor
叶庆奇
蒋昌霞
邹成浩
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Jiangmen De'ao Paper Products Co ltd
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Jiangmen De'ao Paper Products Co ltd
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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
    • B32B25/08—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
    • 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
    • B32B27/10—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 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
    • 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
    • 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
    • B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
    • 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
    • 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 form; Layered products having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
    • 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 form; Layered products 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 form; Layered products 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
    • 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 form; Layered products 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 form; Layered products 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 form; Layered products 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
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • 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
    • B32B2439/00—Containers; Receptacles

Abstract

The invention belongs to the technical field of corrugated boards, and particularly relates to a corrugated board with low deformation rate, which comprises an elastic rubber layer, plastic partition boards and through holes, wherein the plastic partition boards are arranged at the upper end and the lower end of the elastic rubber layer; according to the corrugated board, the two arc-shaped plates where the wave peak point of the first corrugated paper core layer and the wave peak point of the second corrugated paper core layer are located are used for extrusion buffering, and the through holes are used for compression buffering, so that the corrugated board has high elasticity under the condition of simple structure; through the cooperation of first support module and second support module, reduce corrugated container board's deflection, extension corrugated container board life.

Description

Corrugated board with low deformation rate
Technical Field
The invention belongs to the technical field of corrugated boards, and particularly relates to a corrugated board with a low deformation rate.
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 paper core corrugated board has the problems of large deformation caused by external force, easy damage and non-ideal elastic effect when in use, and is not beneficial to popularization.
Disclosure of Invention
In order to make up for the defects of the prior art, the corrugated board with the low deformation rate has the characteristics of good elastic effect and low deformation rate.
The technical scheme adopted by the invention for solving the technical problems is as follows: the corrugated board with low deformation rate comprises an elastic rubber layer, a plastic partition plate and through holes, the upper end and the lower end of the elastic rubber layer are both provided with plastic clapboards, the middle 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 wave crest point of the first corrugated paper core layer corresponds to the wave crest point of the second corrugated paper core layer, a plurality of first supporting modules are uniformly arranged on the inner side of the wave trough of the first corrugated paper core layer along the same straight line, and second supporting modules are arranged on the inner side of the wave trough of the second corrugated paper core layer along the same straight line at positions corresponding to the plurality of first supporting modules; wherein the content of the first and second substances,
the first supporting module comprises a first elastic ball, an arc-shaped elastic film and a second elastic ball; the two ends of the arc-shaped elastic film are respectively connected with the middle parts of the inner walls of the two sides of the wave trough of the first corrugated paper core layer, a first elastic ball is arranged between the inner side of the arc-shaped elastic film and the wave trough point of the first corrugated paper core layer, and the outer side of the arc-shaped elastic film is bonded with a connecting rod through adhesive; round holes are formed in the positions, corresponding to the connecting rods, of the paper interlayer; one end of the connecting rod penetrates through the round hole, and one end of the connecting rod is fixedly connected with a second elastic ball; the spherical surface of the first elastic ball is in contact with the arc-shaped elastic film and the first corrugated paper core layer; the second elastic ball is used for changing the outer diameter of the second supporting module so as to support the second corrugated paper core layer;
the second supporting module comprises a first elastic block, a second elastic block and an extrusion cavity; the first elastic block and the second elastic block are integrally formed, the outer sides of the first elastic block and the second elastic block are connected with the inner side wall of the wave trough of the second corrugated paper core layer, and extrusion cavities are formed in the center positions of the first elastic block and the second elastic block; one end of the extrusion cavity, which is far away from the first corrugated paper core layer, is communicated with an air passage, one end of the air passage penetrates through the plastic partition plate and is communicated with the through hole, and the inner wall of the extrusion cavity is connected with the second elastic ball;
when the corrugated board is extruded, the first elastic ball on the inner side of the trough of the first corrugated board layer is extruded to push the arc-shaped elastic film to move towards the direction close to the paper interlayer, and the two side walls on the inner side of the trough of the first corrugated board layer are pulled to be close to each other, so that the impact force is balanced, the impact is avoided, the two side walls on the inner side of the trough of the first corrugated board layer are separated to cause large damage of the deformation amount of the first corrugated board layer, when the arc-shaped elastic film moves, the second elastic ball is pushed to move towards the direction away from the paper interlayer in the extrusion cavity through the connecting rod, at the moment, the second elastic ball is separated from the first elastic block, when the first elastic block is restored to the original state, the adjacent wave crests of the second corrugated board layer are pulled to be close to each other, so that the space between the adjacent two wave crests of, when the second elastic ball moves to the second elastic block, the middle part of the second elastic block protrudes, so that two side walls on the inner side of the wave trough of the second corrugated paper core layer connected with the second elastic ball are separated, two adjacent wave peak points of the second corrugated paper core layer can be close to each other, two adjacent wave trough points of the second corrugated paper core layer are far away from each other, the distance variation between the wave peak point and the wave trough point of the second corrugated paper core layer is kept small, the deformation of the second corrugated paper core layer is reduced, when the corrugated paper board is extruded to enable the second elastic ball to move, air in the extrusion cavity is guided to the inner side of the through hole through the air channel, the original state can be kept when the through hole is compressed and buffered, on one hand, auxiliary support can be carried out, the deformation of the corrugated paper board is reduced, on the other hand, abrasion generated when the through hole is compressed at high frequency can be avoided, so that the service life of the elastic, utilize double-deck plastics baffle and elastic rubber layer to carry out the check and keep off, through the multilayer separation, avoid corrugated container board to be punctured, improve overall structure's stability.
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, the number of the through holes is not less than three, and the inner cavities of the through holes are in a closed state; during operation, when the air flue is in the inboard of air introduction through-hole, because of the inner chamber of through-hole is in the encapsulated situation, can effectively improve the work efficiency that the second supported the module, the through-hole plays the effect of auxiliary stay.
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.
Preferably, the section of the extrusion cavity along the vertical direction is in a circular truncated cone shape, the small end of the extrusion cavity is far away from the first corrugated paper core layer, and the inner diameter of the large end of the extrusion cavity is smaller than the outer diameter of the second elastic ball;
the during operation, when the outer paper surface course receives external force striking, No. two elastic balls remove to the tip in extrusion chamber through the main aspects in extrusion chamber, at this moment, No. two elastic balls need to remove the inboard middle part extrusion deformation of No. two elastic blocks, resistance when having increased No. two elastic balls and removing, the amount of movement of first corrugated paper sandwich layer has been reduced, thereby the deflection of outer paper surface course has further been reduced, the life of outer paper surface course has been prolonged, and be convenient for the connecting rod pulling No. two elastic balls reset, reduce the pulling force of connecting rod to arc elastic film, the life of arc elastic film has been prolonged.
Preferably, the density of the first elastic block is greater than that of the second elastic block; when the corrugated paper board extruding device works, when the second elastic ball is pushed by the connecting rod to move inwards in the extruding cavity, the second elastic ball and the first elastic block are separated and move to the position of the second elastic block, at the moment, the density of the first elastic block is high, on one hand, the second elastic ball can be limited, the situation that the second elastic ball is forced to move out of the extruding cavity is avoided, on the other hand, the first elastic block is rapidly restored to the original state, so that two side walls on the inner sides of wave troughs of adjacent second corrugated paper core layers are pulled to be close to each other, meanwhile, because the density of the second elastic block is low, the middle part of the second elastic ball is more easily deformed and protruded when being extruded by the second elastic ball, so that two side walls on the inner sides of the wave troughs of the second corrugated paper core layers connected with the first elastic block are pushed to be separated, the wave crest points of the two adjacent second corrugated paper core layers are mutually close, and then can cushion the striking, reduce the deflection of second corrugated paper sandwich layer.
The invention has the following beneficial effects:
1. the corrugated board provided by the invention utilizes the two arc-shaped plates where the peak point of the first corrugated paper core layer and the peak point of the second corrugated paper core layer are positioned to perform extrusion buffering, and meanwhile, the elastic rubber layer can perform compression buffering by being provided with the through hole to form required elasticity, so that the corrugated board has high elasticity under the condition of simple structure.
2. According to the corrugated board, the first supporting module and the second supporting module are matched for use, so that the deformation of the first corrugated paper core layer and the second corrugated paper core layer when being impacted by external force can be effectively reduced, the service lives of the first corrugated paper core layer and the second corrugated paper core layer are prolonged, the normal use of the first corrugated paper core layer and the second corrugated paper core layer is ensured, the service lives of the first corrugated paper core layer and the second corrugated paper core layer are prolonged, the deformation of the corrugated board is reduced, and the service life of the corrugated board is prolonged.
3. 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.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
FIG. 3 is a schematic view of the structure of the elastic rubber layer of the present invention;
in the figure: outer paper surface course 1, kraft paper layer 2, first corrugated paper sandwich layer 3, second corrugated paper sandwich layer 4, elastic rubber layer 5, plastic baffle 6, enhancement layer 7, interior paper surface course 8, through-hole 9, paper interlayer 10, non-woven fabrics locating layer 11, elastic buffer layer 12, first support module 13, elastic ball 131, arc elastic membrane 132, No. two elastic ball 133, second support module 14, elastic block 141, No. two elastic block 142, extrusion chamber 143, air flue 15, connecting rod 16.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, a corrugated board with low deformation rate comprises an elastic rubber layer 5, plastic partition boards 6 and through holes 9, wherein the plastic partition boards 6 are arranged at the upper end and the lower end of the elastic rubber layer 5, the through holes 9 are arranged in the middle of the elastic rubber layer 5, a reinforcing layer 7 is arranged on the surface of the plastic partition board 6 at the lower end of the elastic rubber layer 5, an inner paper surface layer 8 is arranged on the surface of the reinforcing layer 7 away from the plastic partition boards 6, a second corrugated paper core layer 4 is arranged on the surface of the plastic partition board 6 at the upper end of the elastic rubber layer 5, a paper interlayer 10 is arranged at the upper end of the second corrugated paper core layer 4, a first corrugated paper core layer 3 is arranged at the upper end of the paper interlayer 10, a non-woven fabric positioning layer 11 is arranged at the upper end of the first corrugated paper core layer 3, an elastic buffer, the upper end of the kraft paper layer 2 is provided with an outer paper surface layer 1; the wave crest point of the first corrugated paper core layer 3 corresponds to the wave crest point of the second corrugated paper core layer 4, a plurality of first supporting modules 13 are uniformly arranged on the inner sides of the wave troughs of the first corrugated paper core layer 3 along the same straight line, and second supporting modules 14 are arranged on the inner sides of the wave troughs of the second corrugated paper core layer 4 along the same straight line at positions corresponding to the plurality of first supporting modules 13; wherein the content of the first and second substances,
the first supporting module 13 comprises a first elastic ball 131, an arc-shaped elastic film 132 and a second elastic ball 133; two ends of the arc-shaped elastic film 132 are respectively connected with the middle parts of the inner walls of the two sides of the wave trough of the first corrugated paper core layer 3, a first elastic ball 131 is arranged between the inner side of the arc-shaped elastic film 132 and the wave trough point of the first corrugated paper core layer 3, and the outer side of the arc-shaped elastic film 132 is bonded with a connecting rod 16 through adhesive; round holes 101 are formed in the positions, corresponding to the connecting rods 16, of the paper interlayer 10; one end of the connecting rod 16 penetrates through the round hole 101, and one end of the connecting rod 16 is fixedly connected with a second elastic ball 133; the spherical surface of the first elastic ball 131 is in contact with both the arc-shaped elastic film 132 and the first corrugated paper core layer 3; the second elastic ball 133 is used for changing the outer diameter of the second support module 14 to support the second corrugated paper core layer 4;
the second support module 14 comprises a first elastic block 141, a second elastic block 142 and a squeezing cavity 143; the first elastic block 141 and the second elastic block 142 are integrally formed, the outer sides of the first elastic block 141 and the second elastic block 142 are connected with the inner side wall of the wave trough of the second corrugated paper core layer 4, and the center positions of the first elastic block 141 and the second elastic block 142 are provided with extrusion cavities 143; one end of the extrusion cavity 143, which is far away from the first corrugated paper core layer 3, is communicated with an air passage 15, one end of the air passage 15 penetrates through the plastic partition plate 6 to be communicated with the through hole 9, and the inner wall of the extrusion cavity 143 is connected with the second elastic ball 133;
in operation, when the corrugated board is extruded, the first elastic ball 131 inside the trough of the first corrugated board 3 is extruded to push the arc-shaped elastic film 132 to move towards the direction close to the paper interlayer 10, and both side walls inside the trough of the first corrugated board 3 are pulled to approach each other, so as to balance the impact force, and avoid impact to separate both side walls inside the trough of the first corrugated board 3, so as to cause large deformation damage to the first corrugated board 3, when the arc-shaped elastic film 132 moves, the second elastic ball 133 is pushed by the connecting rod 16 to move towards the direction far away from the paper interlayer 10 inside the extrusion cavity 143, at this time, the second elastic ball 133 is separated from the first elastic block 141, when the first elastic block 141 recovers the original state, the adjacent peaks of the second corrugated board 4 are pulled to approach each other, so as to indirectly reduce the distance between the adjacent peaks of the first corrugated board 3 through the paper interlayer 10, further avoid the separation of the two side walls of the inner side of the wave trough of the first corrugated paper core layer 3, and when the second elastic ball 133 moves to the position of the second elastic block 142, the middle part of the second elastic block 142 protrudes, so that the two side walls of the inner side of the wave trough of the second corrugated paper core layer 4 connected with the second elastic block are separated, the wave peak points of the two adjacent second corrugated paper core layers 4 can be close to each other, the wave trough points of the two adjacent second corrugated paper core layers 4 are far away from each other, the distance variation between the wave peak points and the wave trough points of the second corrugated paper core layers 4 is kept small, the deformation of the second corrugated paper core layers 4 is reduced, when the corrugated paper board is extruded to make the second elastic ball 133 move, the air in the extrusion cavity 143 is guided to the inner side of the through hole 9 through the air passage 15, the original state can be kept when the through hole 9 is compressed and buffered, on one hand, the auxiliary support can be, thereby prolong the life of elastic rubber layer 5, simultaneously through the upper and lower both ends respectively fixed plastics baffle 6 of elastic rubber layer 5, utilize double-deck plastics baffle 6 and elastic rubber layer 5 to carry out the check and keep off, through the multilayer separation, avoid corrugated container board to be punctured, improve overall structure's stability.
The plastic partition plate 6 and the elastic rubber layer 5 are fixed by glue.
First corrugated paper sandwich layer 3 and 4 the same only mounted position of second corrugated paper sandwich layer structure are different, first corrugated paper sandwich layer 3 and second corrugated paper sandwich layer 4 all with paper interlayer 10 between glue glutinous fixedly.
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, and the inner cavities of the through holes 9 are in a closed state; during operation, when air duct 15 is with the inboard of air introduction through-hole 9, because of the inner chamber of through-hole 9 is in the encapsulated situation, can effectively improve the work efficiency of second support module 14, through-hole 9 plays the effect of auxiliary stay.
Between outer paper surface course 1 and the kraft paper layer 2, between kraft paper layer 2 and the elastic buffer layer 12 and between elastic buffer layer 12 and the non-woven fabrics locating layer 11 all glue through glue and glue fixedly.
The section of the extrusion cavity 143 along the vertical direction is in a circular truncated cone shape, the small end of the extrusion cavity 143 is far away from the first corrugated paper core layer 3, and the inner diameter of the large end of the extrusion cavity 143 is smaller than the outer diameter of the second elastic ball 133; the during operation, when outer paper surface course 8 receives external force striking, No. two elastic ball 133 remove to the tip in extrusion chamber 143 through the main aspects in extrusion chamber 143, at this moment, No. two elastic ball 133 need move the inboard middle part extrusion deformation of No. two elastic block 142, resistance when having increased No. two elastic ball 133 and removing, the amount of movement of first corrugated paper sandwich layer 3 has been reduced, thereby further reduced outer paper surface course 8's deflection, outer paper surface course 8's life has been prolonged, and be convenient for connecting rod 16 pulling No. two elastic ball 133 to reset, reduce the pulling force of connecting rod 16 to arc elastic film 132, arc elastic film 132's life has been prolonged.
The density of the first elastic block 141 is greater than that of the second elastic block 142; when the second elastic ball 133 is pushed by the connecting rod 16 to move inwards in the extrusion cavity 143, the second elastic ball 133 and the first elastic block 141 are separated to move to the position of the second elastic block 142, at this time, the density of the first elastic block 141 is high, on one hand, the second elastic ball 133 can be limited, the situation that the second elastic ball 133 is forced to move out of the extrusion cavity 143 is avoided, on the other hand, the first elastic block 141 is rapidly restored to the original state, so that the two side walls on the inner sides of the wave troughs of the adjacent second corrugated paper core layer 4 are pulled to be close to each other, meanwhile, because the density of the second elastic block 142 is low, the middle part of the second elastic ball 133 is more easily deformed and protruded when being extruded by the second elastic ball 133, so that the two side walls on the inner sides of the wave troughs of the second corrugated paper core layer 4 connected with the second elastic ball are pushed to be separated, the wave crest points of the two adjacent second corrugated paper core layers 4, form more stable triangle-shaped bearing structure, and then can cushion the striking, reduce the deflection of second corrugated paper sandwich layer 4.
In operation, when the corrugated board is extruded, the first elastic ball 131 inside the trough of the first corrugated board 3 is extruded to push the arc-shaped elastic film 132 to move towards the direction close to the paper interlayer 10, and both side walls inside the trough of the first corrugated board 3 are pulled to approach each other, so as to balance the impact force, and avoid impact to separate both side walls inside the trough of the first corrugated board 3, so as to cause large deformation damage to the first corrugated board 3, when the arc-shaped elastic film 132 moves, the second elastic ball 133 is pushed by the connecting rod 16 to move towards the direction far away from the paper interlayer 10 inside the extrusion cavity 143, at this time, the second elastic ball 133 is separated from the first elastic block 141, when the first elastic block 141 recovers the original state, the adjacent peaks of the second corrugated board 4 are pulled to approach each other, so as to indirectly reduce the distance between the adjacent peaks of the first corrugated board 3 through the paper interlayer 10, further avoid the separation of the two side walls of the inner side of the wave trough of the first corrugated paper core layer 3, and when the second elastic ball 133 moves to the position of the second elastic block 142, the middle part of the second elastic block 142 protrudes, so that the two side walls of the inner side of the wave trough of the second corrugated paper core layer 4 connected with the second elastic block are separated, the wave peak points of the two adjacent second corrugated paper core layers 4 can be close to each other, the wave trough points of the two adjacent second corrugated paper core layers 4 are far away from each other, the distance variation between the wave peak points and the wave trough points of the second corrugated paper core layers 4 is kept small, the deformation of the second corrugated paper core layers 4 is reduced, when the corrugated paper board is extruded to make the second elastic ball 133 move, the air in the extrusion cavity 143 is guided to the inner side of the through hole 9 through the air passage 15, the original state can be kept when the through hole 9 is compressed and buffered, on one hand, the auxiliary support can be, thereby prolong the life of elastic rubber layer 5, simultaneously through the upper and lower both ends respectively fixed plastics baffle 6 of elastic rubber layer 5, utilize double-deck plastics baffle 6 and elastic rubber layer 5 to carry out the check and keep off, through the multilayer separation, avoid corrugated container board to be punctured, improve overall structure's stability.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The corrugated board with low deformation rate comprises an elastic rubber layer (5), a plastic partition board (6) and through holes (9), and is characterized in that: the corrugated paper is characterized in that plastic partition plates (6) are arranged at the upper end and the lower end of the elastic rubber layer (5), a through hole (9) is formed in the middle of the elastic rubber layer (5), an enhancement layer (7) is arranged on the surface of the plastic partition plate (6) at the lower end of the elastic rubber layer (5), an inner paper surface layer (8) is arranged on the surface, away from the plastic partition plate (6), of the enhancement layer (7), a second corrugated paper core layer (4) is arranged on the surface of the plastic partition plate (6) at the upper end of the elastic rubber layer (5), a paper interlayer (10) is arranged at the upper end of the second corrugated paper core layer (4), a first corrugated paper core layer (3) is arranged at the upper end of the paper interlayer (10), a non-woven fabric positioning layer (11) is arranged at the upper end of the first corrugated paper core layer (3), an elastic buffer layer (, the upper end of the kraft paper layer (2) is provided with an outer paper surface layer (1); the wave crest point of the first corrugated paper core layer (3) corresponds to the wave crest point of the second corrugated paper core layer (4), a plurality of first supporting modules (13) are uniformly arranged on the inner side of the wave trough of the first corrugated paper core layer (3) along the same straight line, and second supporting modules (14) are arranged on the inner side of the wave trough of the second corrugated paper core layer (4) along the same straight line at positions corresponding to the plurality of first supporting modules (13); wherein the content of the first and second substances,
the first support module (13) comprises a first elastic ball (131), an arc-shaped elastic membrane (132) and a second elastic ball (133); two ends of the arc-shaped elastic film (132) are respectively connected with the middle parts of the inner walls of the two sides of the wave trough of the first corrugated paper core layer (3), a first elastic ball (131) is arranged between the inner side of the arc-shaped elastic film (132) and the wave trough point of the first corrugated paper core layer (3), and the outer side of the arc-shaped elastic film (132) is bonded with a connecting rod (16) through adhesive; round holes (101) are formed in the positions, corresponding to the connecting rods (16), of the paper interlayer (10); one end of the connecting rod (16) penetrates through the round hole (101), and one end of the connecting rod (16) is fixedly connected with a second elastic ball (133); the spherical surface of the first elastic ball (131) is in contact with both the arc-shaped elastic film (132) and the first corrugated paper core layer (3); the second elastic ball (133) is used for changing the outer diameter of the second supporting module (14) to support the second corrugated paper core layer (4);
the second support module (14) comprises a first elastic block (141), a second elastic block (142) and a squeezing cavity (143); the first elastic block (141) and the second elastic block (142) are integrally formed, the outer sides of the first elastic block (141) and the second elastic block (142) are connected with the inner side wall of the wave trough of the second corrugated paper core layer (4), and the center positions of the first elastic block (141) and the second elastic block (142) are provided with extrusion cavities (143); one end of the extrusion cavity (143) far away from the first corrugated paper core layer (3) is communicated with an air passage (15), one end of the air passage (15) penetrates through the plastic partition plate (6) to be communicated with the through hole (9), and the inner wall of the extrusion cavity (143) is connected with the second elastic ball (133).
2. A low deformation corrugated board according to claim 1 wherein: the plastic partition plate (6) and the elastic rubber layer (5) are fixed by gluing through glue.
3. A low deformation corrugated board according to 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.
4. A low deformation corrugated board according to claim 1 wherein: through holes (9) in the elastic rubber layer (5) are uniformly distributed, the number of the through holes (9) is not less than three, and the inner cavity of each through hole (9) is in a closed state.
5. A low deformation corrugated board according to 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.
6. A low deformation corrugated board according to claim 1 wherein: the extrusion chamber (143) is round platform form along vertical cross sectional shape, and the tip in extrusion chamber (143) is kept away from first corrugated paper sandwich layer (3), and the internal diameter of extrusion chamber (143) main aspects is less than the external diameter of No. two elastic ball (133).
7. A low deformation corrugated board according to claim 1 wherein: the density of the first elastic block (141) is greater than that of the second elastic block (142).
CN201910545610.2A 2019-06-22 2019-06-22 Corrugated board with low deformation rate Expired - Fee Related CN110228262B (en)

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