CN205499774U - Heavy packing carton and cardboard thereof - Google Patents

Abstract

The utility model discloses a cardboard of heavy packing carton, a serial communication port, including lieing in the cow hide ply of tow sides, two aluminum laminated film layer respectively through a LDPE layer with the cow hide ply links to each other, two still be provided with between the aluminum laminated film layer and be used for providing the cardboard owner layer of cardboard intensity. The utility model also discloses a heavy packing carton of including above -mentioned cardboard. Above -mentioned cardboard has fine pop strength to possess dampproofing function and light -resistant function.

Description

A kind of heavy wrapping carton and cardboard thereof

Technical field

This utility model relates to packing technique field, particularly to a kind of cardboard.This utility model Further relate to a kind of heavy wrapping carton with this cardboard.

Background technology

Along with the fast development of China's economic construction, market is for various types of heavy wrapping paper The demand of case increases day by day.

It is known that carton substantially can be divided into general according to the difference of its packaging Item Weight Logical carton and heavy wrapping carton.

For common carton, it generally refers to three and mounts case, namely by three-ply paper " outside Facial tissue, middle corrugated paper, and the boxboard of innermost layer " carton that processes, as beer Wine case, milk box, the chest of instant noodles.Its load-bearing is relatively small, and middle corrugated paper is general all Use B stupefied or the stupefied heavy type carton of E；Additionally, also five ply paper bag, five are also cried to mount case, by face Paper, corrugated paper, insides, corrugated paper, five layers of paper conversion of boxboard form.It is commonly used in edible Oil four barreled packing crates and household electrical appliance.Concha Arcae the most all uses outer layer B stupefied, nexine A Stupefied.Resistance to compression and anti-puncture mount case more than three.

For heavy wrapping carton, it is common that refer to seven layers and above carton, also cry seven Mount case, be by facial tissue, corrugated paper, insides, corrugated paper, insides, corrugated paper and boxboard Seven layers of paper conversion form.The most general little use, can fill some plant equipment and large-scale Household electrical appliance.The combination of Concha Arcae is typically by B is stupefied and the stupefied interspersed combination of A.Resistance to compression and anti-puncture are big In first two.Honeycomb carton: this carton has broken the form of traditional corrugated case, outside It is then to be fabricated to cellular this carton in the middle of boxboard to be used for the fortune of plant equipment with the inside Defeated, resistance to compression is the highest.Not only its structure is seen in terms of carton carrying, various paper used The carrying of carton is affected the biggest by thickness and intensity.

In the prior art, the surface ratio of heavy wrapping carton is rougher, and its surface does not have print Brushing effects；And heavy wrapping carton does not have moisture-proof function, does not have lucifuge function.

Utility model content

The purpose of this utility model is to provide a kind of cardboard, and this cardboard can solve surface not to be had Printing effect, not there is protection against the tide and the problem of lucifuge function.Another object of the present utility model It is to provide a kind of heavy wrapping carton including above-mentioned cardboard.

For achieving the above object, this utility model provides a kind of paper for heavy wrapping carton Plate, including being positioned at double-edged layers of kraft paper, two aluminium plating membranes are respectively by a LDPE Layer is connected with described layers of kraft paper；It is additionally provided with between aluminium plating membrane described in two to provide described The cardboard main stor(e)y of paper board strength.

Relative to above-mentioned background technology, the cardboard that this utility model provides, including two layers of kraft paper, Two layers of kraft paper are positioned at the tow sides of cardboard, and utilize the first LDPE layer and layers of kraft paper Connect, additionally, two aluminium plating membranes are connected with the first LDPE layer respectively；It is positioned at the centre of cardboard Position arranges cardboard main stor(e)y, for providing intensity to cardboard；Use above-mentioned set-up mode, utilize After layers of kraft paper and aluminium plating membrane are carried out being combined by the first LDPE layer as binding agent, make cardboard There is good mechanical packaging performance.Additionally, the first LDPE layer and aluminium plating membrane have very More resistance to broken intensity, and possess moisture-proof function and lucifuge function.So so that cardboard The function that can have paper concurrently is strengthened further, reaches high-strength, moistureproof, the function of lucifuge.

Preferably, described cardboard main stor(e)y includes two-layer boxboard, also includes being positioned at case described in two-layer In order to the middle LDPE layer of boxboard described in fixing connection two-layer between cardboard；Case described in two-layer Cardboard is connected with the described aluminium plating membrane of corresponding side by the second LDPE layer respectively.

Preferably, described first LDPE layer, described second LDPE layer and described centre The thickness of LDPE layer is the most identical.

Preferably, layers of kraft paper described in two is specially the white layers of kraft paper in order to colored printing.

This utility model also provides for a kind of heavy wrapping carton, including the paper described in any of the above-described item Plate.

This utility model provide heavy wrapping carton, possess moisture-proof function mentioned above and Lucifuge function.

Preferably, described heavy wrapping carton is specially cuboid or cylinder.

Accompanying drawing explanation

The schematic diagram of the cardboard that Fig. 1 is provided by this utility model embodiment.

Wherein:

In the middle of 1-layers of kraft paper, 2-the first LDPE layer, 3-aluminium plating membrane, 4-boxboard, 5- LDPE layer, 6-the second LDPE layer.

Detailed description of the invention

Core of the present utility model is to provide a kind of cardboard, and this cardboard can reduce dragging oil cylinder pressure The probability of bar unstability；Another core of the present utility model is to provide and a kind of includes above-mentioned cardboard Heavy wrapping carton.

In order to make those skilled in the art be more fully understood that this utility model scheme, below In conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Refer to the schematic diagram of the cardboard that Fig. 1, Fig. 1 are provided by this utility model embodiment. The title occurred herein will be made explanations below, in order to understand correct.

Kraft paper, is typically used as packaging material.Intensity is the highest.Generally in yellowish-brown.Half drift or The kraft pulp of full drift is filbert, cream-colored or white.Quantitatively 80/m²～120g/m².Split Disconnected long general at more than 6000m.Tearing toughness, rupture merit and resistance to vibration is the highest.It mostly is Roll web, also has sheet paper.Employing kp softwood pulp is raw material, through making beating, at fourdrinier wire Manufacture paper with pulp on paper machine and form.Can be used as cement bag paper, M.G. pure sulphite paper, glue envelope paper dress, bituminized paper, Cable protective paper, insulating paper etc..

Aluminizer is to use special process to plate, in Plastic film surface, the metallic aluminium that last layer is very thin And a kind of composite soft packaging material formed.The effect that film surface is aluminized is shading, UV resistance Line irradiates, and had both extended the shelf-life of content, and had improve again the brightness of thin film, from certain journey Aluminium foil is instead of, it may have inexpensive, attractive in appearance and preferable barrier property on degree.

LDPE: refer to Low Density Polyethylene, is a kind of plastic material, and it is suitable for thermoplastic molding The various moulding processs of processing, molding processibility is good.

The cardboard that this utility model provides, including layers of kraft paper the 1, first LDPE layer 2, aluminizes Film layer 3 and cardboard main stor(e)y；Cardboard main stor(e)y is positioned at the middle part of cardboard；And cardboard master The both sides of layer are disposed with aluminium plating membrane the 3, first LDPE layer 2 and layers of kraft paper 1 respectively； Layers of kraft paper 1 is positioned at the outermost of cardboard.

Under the effect of the first LDPE layer so that aluminium plating membrane 3 is connected with layers of kraft paper 1； Owing to the first LDPE layer and aluminium plating membrane have preferable pop strength, therefore cardboard possesses Moisture-proof function and lucifuge function.Cardboard main stor(e)y can provide the intensity of cardboard, so, The function making cardboard can have paper concurrently is strengthened further, reaches high-strength, moistureproof, lucifuge Function.

For more specifically, cardboard main stor(e)y includes two-layer boxboard 4；Two-layer boxboard 4 it Between be additionally provided with middle LDPE layer 5, utilize in the middle of LDPE layer 5 by two-layer boxboard 4 even Connect；The second LDPE layer 6 it is additionally provided with between boxboard 4 and the aluminium plating membrane 3 of corresponding side, Thus realize the fixing of boxboard 4 and aluminium plating membrane 3.

Hereafter will be specifically described the manufacturing process of cardboard, to realize the comprehensive understanding to cardboard.

First, common LDPE adds certain reinforcing agent, is allowed to mix homogeneously by batch mixer； And mixed material is added compounding machine head.

Next, extrude to zero-clearance by screw rod high speed rotating heat and to the first end of film.Work as temperature After degree reaches to a certain degree, LDPE slowly starts to melt, and finally liquefies.By the agent of screw rod Pressure, produces certain pressure and makes the LDPE film of liquefaction flow out from die orifice uniformly in making film head； Liquefaction LDPE, after die orifice flows out, contacts with paper.By counter-pressure cylinder with cooling cylinder pressing by cattle Together with mulberry paper layer 1 and aluminium plating membrane 3 is fitted tightly by the first LDPE layer 2.Pressing Cheng Zhong, chill roll makes liquefaction LDPE fast cooling, is solidified by LDPE.By winder, The product being combined is rolled into again paper roll (finished product).

Then, paper roll above-mentioned steps made carries out multiple again as raw material with one layer of boxboard 4 Close (repetition said process)；Finally by finished product as raw material, carry out two-layer to patch simultaneously.Shape Become final products.

Herein can be by first LDPE layer the 2, second LDPE layer 5 and middle LDPE layer 6 Thickness be set to identical.

On above-mentioned basis, two layers of kraft paper 1 are specially the white kraft paper in order to colored printing Layer.It is to say, the printing of colour can be carried out on the surface of white layers of kraft paper, thus solve The problem that traditional slab of having determined can not carry out exquisite printing.

A kind of heavy wrapping carton provided by the utility model, including above-mentioned specific embodiment institute The cardboard described；Other parts of heavy wrapping carton are referred to prior art, the most no longer Launch.The heavy wrapping carton using aforesaid way to arrange, possesses protection against the tide, lucifuge and can The function of printing color pattern.

Herein heavy wrapping carton can be specifically configured to cuboid or cylinder；Certainly, root According to being actually needed, heavy wrapping carton can also be other difformities, will not be described in great detail herein.

It should be noted that in this manual, the relational terms of such as first and second etc It is used merely to make a distinction an entity with other several entities, and not necessarily requires or secretly Show relation or the order that there is any this reality between these entities.

Above heavy wrapping carton provided by the utility model and cardboard thereof are carried out in detail Introduce.Principle of the present utility model and embodiment are carried out by specific case used herein Illustrating, the explanation of above example is only intended to help to understand method of the present utility model and core thereof Thought is thought.It should be pointed out that, for those skilled in the art, without departing from On the premise of this utility model principle, it is also possible to this utility model is carried out some improvement and modification, These improve and modification also falls in this utility model scope of the claims.

Claims (6)

1. the cardboard for heavy wrapping carton, it is characterised in that include being positioned at positive and negative The layers of kraft paper on two sides, two aluminium plating membranes are respectively by the first LDPE layer and described layers of kraft paper It is connected；It is additionally provided with to provide the cardboard master of described paper board strength described in two between aluminium plating membrane Layer.

Cardboard the most according to claim 1, it is characterised in that described cardboard main stor(e)y bag Include two-layer boxboard, also include described in two-layer between boxboard in order to fixing connection two-layer institute State the middle LDPE layer of boxboard；Boxboard described in two-layer respectively by the second LDPE layer with The described aluminium plating membrane of corresponding side connects.

Cardboard the most according to claim 2, it is characterised in that a described LDPE The thickness of layer, described second LDPE layer and described middle LDPE layer is the most identical.

4. according to the cardboard described in claims 1 to 3 any one, it is characterised in that two Described layers of kraft paper is specially the white layers of kraft paper in order to colored printing.

5. a heavy wrapping carton, it is characterised in that include that Claims 1-4 such as is appointed One described cardboard.

Heavy wrapping carton the most according to claim 5, it is characterised in that described heavy Type Packaging Box is specially cuboid or cylinder.