CN214821612U

CN214821612U - Corrugated paper board

Info

Publication number: CN214821612U
Application number: CN202121695099.3U
Authority: CN
Inventors: 张朝辉; 张红霞; 成全兵
Original assignee: Hangzhou Kangning Paper Co ltd
Current assignee: Hangzhou Kangning Paper Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-11-23
Anticipated expiration: 2031-07-23

Abstract

The application relates to a corrugated board, which comprises a wave core board and box board arranged at two sides of the wave core board, wherein a first hollow core unit is formed between the wave core board and the box board; two annular reinforced paper boards are arranged in each first hollow unit, one reinforced paper board is fixedly bonded with the wave core board, and the other reinforced paper board is fixedly bonded with the box paper board; the two reinforcing paper boards are mutually abutted. When the corrugated board is deformed under pressure, the wave core board deforms, and the two reinforcing paper boards are close to each other and are mutually extruded; the extrusion force generated by the mutual extrusion of the two reinforcing paperboards can be partially offset with the external force acting on the corrugated board, so that the integral mechanical property of the corrugated board is improved.

Description

Corrugated paper board

Technical Field

The application relates to the technical field of paperboards, in particular to a corrugated paperboard.

Background

Corrugated cardboard is formed by bonding at least one layer of corrugated paper and one layer of cardboard paper, has good elasticity and extensibility, and is mainly used for manufacturing cartons, sandwich of cartons and other packaging materials of fragile goods.

The elasticity and the pressure resistance of the corrugated board are always important indexes of the corrugated board; the corrugated board on the market at present usually adopts a method of increasing the thickness of the corrugated board to improve the elasticity and the pressure resistance of the corrugated board, so that the corrugated board can well protect goods packaged inside; however, the method for increasing the thickness of the corrugated cardboard consumes more materials for manufacturing the corrugated cardboard, which easily causes the manufacturing cost of the corrugated cardboard to be rapidly increased and causes the phenomenon of wasting resources.

SUMMERY OF THE UTILITY MODEL

In order to reduce the manufacturing cost of corrugated board while improving the mechanical property of the corrugated board, the application provides a corrugated board.

The application provides a corrugated container board adopts following technical scheme:

the corrugated board comprises a wave core board and box board bodies arranged on two sides of the wave core board, wherein a first hollow core unit is formed between the wave core board and the box board bodies; two annular reinforced paper boards are arranged in each first hollow core unit, one reinforced paper board is fixedly bonded with the wave core board, and the other reinforced paper board is fixedly bonded with the box board; the two reinforcing paper boards are mutually abutted.

By adopting the technical scheme, the two annular reinforcing paper boards are arranged in the first hollow unit, when the corrugated board is pressed and deformed, the wave core board is deformed to enable the two reinforcing paper boards to be close to each other and to be mutually extruded, and extrusion force generated by mutual extrusion of the two reinforcing paper boards can be partially offset with external force acting on the corrugated board, so that the overall mechanical performance of the corrugated board is improved; the material consumed for manufacturing the reinforced paperboard is less than the material required for thickening the corrugated paperboard, so that the manufacturing cost of the corrugated paperboard is reduced.

In addition, when the corrugated board is processed and manufactured, one reinforcing paper board is fixedly bonded to the wave core board, and the other reinforcing paper board is fixedly bonded to the box board, so that the reinforcing paper boards can be conveniently fixed; then the wave core plate and the box board are fixed with each other, so that the two reinforcing boards can be abutted against each other; the whole manufacturing process is simple and convenient, and the manufacturing cost of the corrugated board is reduced.

Optionally, the reinforced paperboard is filled with water-absorbing powder.

By adopting the technical scheme, when the corrugated board is placed in a place with damp air, the mechanical strength of the corrugated core board is easily reduced sharply after moisture permeates into the corrugated core board in the corrugated board; the water absorbing powder can absorb water permeating into the wave core plate, so that the wave core plate keeps good deformation capacity, and the corrugated board keeps good elastic capacity.

Optionally, the inner peripheral side of the reinforcing paperboard is provided with a water-permeable gauze bag, and the water-absorbing powder is arranged inside the water-permeable gauze bag.

Through adopting foretell technical scheme, through setting up the yarn bag parcel that permeates water and live the powder that absorbs water, can reduce the powder that absorbs water when the boxboard in the corrugated container board outside is scratched by accident and float out the possibility from strengthening the inside of cardboard, and then reduce the risk that the powder that absorbs water was inhaled lung by people, ensure people's physical and mental health.

Optionally, the water-absorbing powder is recycled masonry aggregate.

By adopting the technical scheme, the water-absorbing powder is set as the recycled masonry aggregate, and the recycled masonry aggregate has good water absorption capacity and can absorb water permeating into the wave core plate; in addition, the recycled masonry aggregate is recycled, the recycled masonry aggregate is cheap as building waste, and the manufacturing cost of the corrugated board can be further reduced.

Optionally, the wave core plate comprises two wave core plates, and the two wave core plates are mutually bonded; each wave core plate is of a continuous wave structure, and the extending directions of the two wave structures are vertically arranged.

Through adopting foretell technical scheme, be provided with two with the wave core, and the extending direction of the wave structure of two wave cores sets up perpendicularly, and the wave core that the direction is different can bear the external force of equidirectional not to further improve corrugated container board's compressive capacity.

Optionally, an adhesive paper board is arranged between the two wave core plates, and adhesive layers for adhering and fixing the wave core plates are respectively arranged on two sides of the adhesive paper board.

By adopting the technical scheme, the two wave core plates can be conveniently fixed on the two sides of the bonding paperboard through the adhesive layers on the two sides of the bonding paperboard, the wave core plates and the bonding paperboard have strong stability after bonding, and the possibility of mutual separation between the wave core plates and bonding can be reduced when the corrugated board is subjected to external force.

Optionally, a second hollow core unit is formed between the wave core plate and the adhesive paper plate, and a support assembly for assisting in supporting the wave core plate is installed in the second hollow core unit.

By adopting the technical scheme, the supporting component is provided with the wave-shaped structure for supporting the wave core plate, so that the situation that the wave core plate is locally sunken in the direction close to the adhesive paperboard when the corrugated paperboard is subjected to external force is reduced, and the pressure resistance of the corrugated paperboard is further improved.

Optionally, the support assembly includes a vertical plate fixed to the adhesive paper board and an arc-shaped plate disposed at one end of the vertical plate away from the adhesive paper board, and the arc-shaped plate abuts against one side of the wave core plate facing the adhesive paper board.

By adopting the technical scheme, the vertical plate is used for being fixedly adhered with the adhesive paper board; the arc is fixed in the riser and deviates from one side of bonding cardboard, and the arcwall face of arc matches the laminating with the wave structure of wave core board, can play the effect of support to wave structure, reduces the wave core board and receives the local inside sunken condition of time spent of external force.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the two reinforcing paper boards, when the corrugated board is pressed and deformed, the two reinforcing paper boards are close to each other and are mutually extruded, so that extrusion force is generated between the two reinforcing paper boards and is partially offset with external force acting on the corrugated board, and the integral mechanical performance of the corrugated board is improved;

2. the water absorption powder is arranged to absorb water which permeates into the wave core plate, so that the wave core plate can keep good deformation capability, and the corrugated board can keep good elastic capability;

3. the water-absorbing powder is wrapped by the water-permeable yarn bags, so that the possibility that the water-absorbing powder scatters from the inside of the reinforced paperboard can be reduced when the box paperboard outside the corrugated paperboard is accidentally scratched, and the risk that the water-absorbing powder is absorbed into the lung by people is reduced.

Drawings

FIG. 1 is an overall block diagram of an embodiment of the present application;

FIG. 2 is a schematic diagram of a layer structure of an embodiment of the present application;

fig. 3 is an enlarged view at a in fig. 2, mainly showing the structure of the reinforcing cardboard and the support member.

Description of reference numerals: 1. a wave core plate; 11. a first hollow core unit; 12. a second hollow core unit; 2. a linerboard; 3. a reinforced paperboard; 31. water absorbing powder; 32. a water permeable gauze bag; 4. bonding a paperboard; 41. an adhesive layer; 5. a support assembly; 51. a vertical plate; 52. an arc-shaped plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a corrugated board.

Referring to fig. 1 and 2, a corrugated board includes two corrugated core boards 1, two box boards 2 and a binding board 4; wherein, the two sides of the adhesive paper board 4 are respectively paved with an adhesive layer 41, and the two wave-shaped core plates 1 are respectively adhered to the two sides of the adhesive paper board 4 through the adhesive layers 41; the two box boards 2 are respectively positioned on the opposite sides of the two wave core boards 1, and each box board 2 is fixedly bonded with the adjacent wave core board 1.

Referring to fig. 1, each wave core plate 1 is a continuous wave structure, and the extension directions of the wave structures of the two wave core plates 1 are perpendicular to each other, so that the two wave core plates 1 can respectively bear external forces acting on corrugated boards in different directions, and the pressure resistance of the corrugated boards is improved.

Referring to fig. 1 and 2, a first hollow core unit 11 is formed between the wave core plate 1 and the adjacent box board 2, and at least two reinforcing paper boards 3 are installed in the first hollow core unit 11; this application embodiment sets up the quantity of strengthening cardboard 3 into a plurality ofly, and two strengthen cardboard 3 and be a set of, and every group strengthens cardboard 3 along the equidistance setting of the extending direction of first hollow unit 11 for strengthen 3 equipartitions of cardboard inside corrugated container board.

Referring to fig. 2 and 3, one reinforcing paperboard 3 in each group of reinforcing paperboards 3 is adhesively fixed to the box paperboard 2, and the other reinforcing paperboard 3 is adhesively fixed to the wave core board 1; when this strengthen cardboard 3 installation, can bond each strengthen cardboard 3 earlier and be fixed in wave core 1 and boxboard 2 respectively, then bond cardboard 2 and wave core 1 fixedly again for two strengthen cardboards 3 in every group strengthen cardboard 3 can support each other and lean on, can accomplish the installation, and whole installation is simple convenient, is favorable to reducing corrugated container board's manufacturing cost.

Referring to fig. 2 and 3, the reinforcing paper boards 3 are all arranged as annular boards, and when the corrugated board is deformed under pressure, the corrugated structure of the wave core board 1 deforms towards the direction close to the box board 2, so that the two reinforcing paper boards 3 can be pushed to be close to each other and to be squeezed mutually; the extrusion force generated by the mutual extrusion of the two reinforcing paperboards 3 can be partially offset with the external force acting on the corrugated board, so that the overall pressure resistance of the corrugated board is improved.

Referring to fig. 3, a water permeable gauze bag 32 is fixedly bonded on the inner side of each reinforced paperboard 3, and water absorbent powder 31 is filled in the water permeable gauze bag 32; the water absorption powder 31 is arranged to absorb water permeating from the outer side of the boxboard 2 into the first hollow unit 11, so that the wave core plate 1 is kept in a dry state, and the wave core plate 1 has good elasticity and compressive strength; in addition, the water absorption powder 31 is filled in the reinforced paperboard 3, so that a shaping effect can be provided for the reinforced paperboard 3, and the situation that the local depression is difficult to recover when the reinforced paperboard 3 is extruded is reduced.

The material of the water-absorbing powder 31 can be water-absorbing resin, sand or PVC granular substance, but the water-absorbing powder can only play a role in absorbing water; the water absorption powder 31 is prepared by processing recycled masonry aggregate, the recycled sandstone aggregate serving as a recycled resource is low in price, and the production and processing of corrugated boards are reduced; the method utilizes the waste of the recycled sand aggregate, and accords with the concept of sustainable development of economy and society.

Referring to fig. 2 and 3, the water-permeable gauze bag 32 in the embodiment of the present application is made of geotextile, and the geotextile has a water-permeable function, so that water can permeate the water-permeable gauze bag 32 and be absorbed by the water-absorbing powder 31 inside; meanwhile, the geotextile also has the function of sand separation, so that the possibility of leakage of the water-absorbing powder 31 can be reduced. In addition, because the box board 2 on both sides of the corrugated board is easy to be scraped, the water-permeable gauze bag 32 is used for wrapping the water-absorbing powder 31, so that the possibility that the water-absorbing powder 31 is scattered into the air when the box board 2 is damaged can be reduced, and the possibility that the water-absorbing powder 31 is absorbed by a human body is reduced.

Referring to fig. 1 and 2, a second hollow core unit 12 is formed between the wave core plate 1 and the adhesive paper plate 4, and a support component 5 for assisting in supporting the wave core plate 1 is installed inside the second hollow core unit 12; the number of the support members 5 is provided in plural, and all the support members 5 are provided at equal intervals in the extending direction of the second hollow core unit 12.

Referring to fig. 2 and 3, the supporting assembly 5 includes a vertical plate 51 and an arc-shaped plate 52, wherein the vertical plate 51 is vertically adhered and fixed to the adhesive paper board 4 through the adhesive layer 41, and the arc-shaped plate 52 is adhered and fixed to one side of the vertical plate 51 away from the adhesive paper board 4; the arc-shaped plates 52 can be matched and abutted with the wave-shaped structure of the wave-shaped core plate 1 on the side facing the adhesive paper plate 4, so that the wave-shaped core plate 1 is supported.

The vertical plate 51 in the embodiment is made of elastic materials, and the arc-shaped plate 52 is made of hard paper plates; when wave core board 1 receives the exogenic action, wave core board 1 can extrude riser 51 and make riser 51 take place elastic deformation, and the arc 52 of stereoplasm can support by in wave core board 1, reduces the wave core board 1 pressurized and the condition of local subsidence to play moulding effect to wave core board 1, be favorable to prolonging the life of wave core board 1.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A corrugated board characterized by: the corrugated board comprises a corrugated core board (1) and box board bodies (2) arranged on two sides of the corrugated core board (1), wherein a first hollow core unit (11) is formed between the corrugated core board (1) and the box board bodies (2); two annular reinforcing paper boards (3) are arranged in each first hollow core unit (11), one reinforcing paper board (3) is fixedly bonded with the wave core plate (1), and the other reinforcing paper board (3) is fixedly bonded with the box board (2); the two reinforcing paper boards (3) are mutually abutted.

2. Corrugated board according to claim 1, characterized in that: the reinforced paperboard (3) is filled with water-absorbing powder (31).

3. Corrugated board according to claim 2, characterized in that: the inner peripheral side of the reinforced paperboard (3) is provided with a water permeable gauze bag (32), and the water absorbing powder (31) is arranged inside the water permeable gauze bag (32).

4. Corrugated board according to claim 2 or 3, characterized in that: the water absorption powder (31) is recycled masonry aggregate.

5. Corrugated board according to claim 1, characterized in that: the corrugated core plate comprises two corrugated core plates (1), wherein the two corrugated core plates (1) are mutually bonded; each wave core plate (1) is of a continuous wave structure, and the extension directions of the two wave structures are vertically arranged.

6. Corrugated board according to claim 5, characterized in that: an adhesive paper board (4) is arranged between the two wave-shaped core plates (1), and adhesive layers (41) for adhering and fixing the wave-shaped core plates (1) are respectively arranged on two sides of the adhesive paper board (4).

7. Corrugated board according to claim 6, characterized in that: a second hollow core unit (12) is formed between the wave core plate (1) and the adhesive paper plate (4), and a supporting component (5) for assisting in supporting the wave core plate (1) is installed in the second hollow core unit (12).

8. Corrugated board according to claim 7, characterized in that: the supporting assembly (5) comprises a vertical plate (51) fixed on the adhesive paper plate (4) and an arc-shaped plate (52) arranged at one end, deviating from the adhesive paper plate (4), of the vertical plate (51), and the arc-shaped plate (52) abuts against one side, facing the adhesive paper plate (4), of the wave core plate (1).