CN107882295B - A kind of stone plastic floor of good stability of the dimension - Google Patents

A kind of stone plastic floor of good stability of the dimension Download PDF

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Publication number
CN107882295B
CN107882295B CN201710945773.0A CN201710945773A CN107882295B CN 107882295 B CN107882295 B CN 107882295B CN 201710945773 A CN201710945773 A CN 201710945773A CN 107882295 B CN107882295 B CN 107882295B
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China
Prior art keywords
layer
substrate
generating mechanism
stone
stomata
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CN107882295A (en
Inventor
艾华
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Anhui Is With Promise Wood Plastic Boards Science And Technology Ltd
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Anhui Is With Promise Wood Plastic Boards Science And Technology Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/14Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00Layered products comprising a layer of paper or cardboard
    • B32B29/06Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered 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
    • B32B3/26Layered 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
    • B32B3/266Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/06Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/18Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/181Insulating layers integrally formed with the flooring or the flooring elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/302Conductive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/304Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/306Resistant to heat
    • B32B2307/3065Flame resistant or retardant, fire resistant or retardant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554Wear resistance
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/045Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire
    • E04F2290/046Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire with a facing or top layer for fire insulation

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Ceramic Engineering (AREA)
  • Floor Finish (AREA)

Abstract

The invention discloses a kind of stone plastic floors of good stability of the dimension, belong to floor field.The stone plastic floor of good stability of the dimension of the invention, including dash board and substrate are connected between dash board and substrate by buffer layer, and buffer layer is the combination or three kinds of combination of one or both of scientific and technological timber layer, nonwoven layer, glass layer;Substrate is PVC stone-plastic plate.Dash board includes woodgrained paper, and woodgrained paper surface is covered with wear-resisting fireprotection layer.Buffer layer is scientific and technological timber layer.Wherein, PVC stone-plastic plate is PVC stone molding base, which is prepared using following steps: step a: raw material mix and heating;Step b: stomata generates;Step c: extrusion molding;Step d: it is cooled and shaped.Deficiency easy to crack, not environmentally that the present invention overcomes existing composite floor boards.

Description

A kind of stone plastic floor of good stability of the dimension
Technical field
The present invention relates to a kind of floors, more specifically to a kind of stone plastic floor of good stability of the dimension.
Background technique
In recent years, indoor decoration largely uses solid wooden floor board, composite floor board, impregnated-paper laminated wood floor (consolidated floor) Etc. making floor decorative material.Solid wooden floor board need to make raw material using a large amount of heavy caliber logs, it is however generally that, the timber of solid wooden floor board Utilization rate is only 30%~40%, need to select decades even upper century-old high-quality solid wood, raw material selection standard is high, needs to disappear Consume a large amount of forest reserves.Thus, there is a problem of that high-quality timber is in short supply, timber utilization rate is not high.And consume a large amount of forest Resource will lead to the destruction of ecological environment, this problem also has attracted increasing attention.And in use, solid wooden floor board is also Have the defects that easily-deformable, easy harmomegathus, not wear-resisting and involve great expense, it is more difficult to the problems such as solving waterproof, moisture-proof, Anti-moth-eating, therefore Affect using effect and service life.
With the continuous improvement of the performance requirements such as people are beautiful to floor, practical and durable wear-resistant, intensity height, size are produced Stability is strong, wearability is high, long service life and both artistic and practical composite floor board are increasingly becoming the trend that floor industry develops.
Have a large amount of different types of composite floor boards in the prior art to disclose, such as patent publication No.: CN 101173553 A, publication date: on May 7th, 2008, invention and created name are as follows: heat-proof composite floor board, this application discloses a kind of heat-resisting compound Floor, it is desirable to provide it is big that one kind adapts to difference variation, is laid on above caliduct, dash board it is not easy to crack it is heat-resisting compoundly Plate.It includes dash board and substrate, and gluing has one or more layers paper between dash board and substrate.
For another example patent publication No.: 101761212 A of CN, publication date: on June 30th, 2010, invention and created name are as follows: modeling Wood composite floor, this application discloses a kind of plastic-wood composite floor, including PVC floor surface layer and the wooden substrate of modeling, PVC floor tables Layer and the wooden substrate of modeling are combined by environment-friendly waterproof gluing.It selects the PVC floor of various colors and good waterproof as surface layer, makes User can be selected the pattern of indoor floor by personal preference.Simultaneously using modeling wood base board, with adhesive adherence on PVC floor surface layer Lower section is mated formation more convenient compared with traditional PVC floor, does not have soldered after assembly is complete, and it is at low cost to mat formation.
In conclusion composite floor board in the prior art passes through multiwall kraft or straight between dash board and substrate mostly Connected glue to be bonded together, it may appear that following problems: (1) in general, the hot contraction ratio of substrate is larger, and the heat of dash board is received It contracts smaller, when temperature change is larger on composite floor board, the deformation extent difference of substrate and dash board is larger, is easy to cause substrate Degumming, cracking are found, when on composite floor board although brown paper has certain toughness through actual use between dash board When high temperature changes, degumming, problem of Cracking between substrate and dash board are still difficult to avoid that, the final reality for influencing composite floor board Border using effect;(2) often contain formaldehyde in glue, directly dash board and substrate are bonded together by glue, glue uses Measure it is larger, it is not environmentally healthy;Dash board and substrate are bonded together by multiwall kraft, multiwall kraft carries out in advance Dipping process, it is still not environmentally healthy;Multiwall kraft is glued together simultaneously, uses time longer rear easy layering.
In conclusion how to overcome existing composite floor board it is easy to crack, not environmentally the shortcomings that, be urgent need to resolve in the prior art Technical problem.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to what overcome existing composite floor board it is easy to crack, not environmentally the shortcomings that, provide a kind of size The good stone plastic floor of stability, solves the above problem.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
The stone plastic floor of good stability of the dimension of the invention, including dash board and substrate, pass through buffering between dash board and substrate Layer connection, the buffer layer are the combination or three kinds of group of one or both of scientific and technological timber layer, nonwoven layer, glass layer It closes;The substrate is PVC stone-plastic plate.
As further improvement of the present invention, the dash board includes woodgrained paper.
As further improvement of the present invention, the woodgrained paper surface is covered with wear-resisting fireprotection layer.
As further improvement of the present invention, the buffer layer is scientific and technological timber layer.
As further improvement of the present invention, through hole is equipped with inside the substrate along its length.
As further improvement of the present invention, the through hole has multiple, and multiple through holes are flat along substrate width direction Row arrangement.
As further improvement of the present invention, the wear-resisting fireprotection layer is aluminum oxide layer.
As further improvement of the present invention, it is described science and technology timber layer with a thickness of 0.3~0.4mm.
As further improvement of the present invention, the PVC stone-plastic plate is PVC stone molding base, which uses Following steps preparation:
Step a: raw material mixing and heating;
Step b: stomata generates;
Step c: extrusion molding;
Step d: it is cooled and shaped.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
It (1), can be to the change of dash board and substrate using scientific and technological timber layer as the buffer layer between dash board and substrate in the present invention Shape forms good buffer function, avoids degumming between dash board and substrate, problem of Cracking;Scientific and technological timber layer preparation cost simultaneously It is low, reduce floor production cost.
(2) in the present invention, woodgrained paper and wear-resisting fireprotection layer collectively constitute dash board, and natural wood texture is imitated on woodgrained paper surface, It is preferable using aesthetics, and woodgrained paper has certain insulating power;Use aluminum oxide layer as wear-resisting fireprotection layer, a side Face can be improved the hardness and wearability on dash board surface, on the other hand can play the role of fireproof.
(3) in the present invention, the setting of through hole can effectively reduce the weight of substrate, save cost, and substrate because Uneven heating and cause to play buffer function when deformation, can overwhelming majority deformation in absorptive substrate, eliminate interior on substrate Stress prolongs its service life, and efficiently avoids the generation of floor deformation phenomenon;Meanwhile in through hole air flowing, energy The heat transfer for enough reinforcing substrate itself avoids substrate that local heat build-up occurs close to heat source part, the local heating of substrate is avoided to deform.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the stone plastic floor of the good stability of the dimension of embodiment 1;
Fig. 2 is the structural schematic diagram of the stone plastic floor of the good stability of the dimension of embodiment 2;
Fig. 3 is the structural schematic diagram of the stone plastic floor of the good stability of the dimension of embodiment 3.
Fig. 4 is the structural schematic diagram of stomata generating mechanism in embodiment 6;
Fig. 5 is the partial enlarged view in Fig. 4 at A;
Fig. 6 is the structural schematic diagram of molding die mechanism in embodiment 6;
Fig. 7 is the flow chart of the manufacturing method of PVC stone molding base in embodiment 6.
Label declaration in schematic diagram: 1, dash board;2, buffer layer;3, substrate;4, through hole;1101, stomata generating mechanism Outlet;1102, stomata generating mechanism import;1103, stomata generating mechanism ontology;1104, snorkel;11041, snorkel sheet Body;11042, end chambers;1105, on-off valve;1106, air storage chamber;1107, isolating valve;1108, air pump;1201, main-inlet; 1202, secondary entrance;1203, distance piece;1204, secondary outlet;1205, primary outlet;1206, section is merged.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1, the stone plastic floor of the good stability of the dimension of the present embodiment, including dash board 1, buffer layer 2 and substrate 3, table Connected between plate 1 and substrate 3 by buffer layer 2, buffer layer 2 be one of scientific and technological timber layer, nonwoven layer, glass layer or Two kinds of combination or three kinds of combination, in specific the present embodiment, buffer layer 2 is only scientific and technological timber layer, the science and technology timber layer with a thickness of 0.3~0.4mm.Substrate 3 is PVC stone-plastic plate.Dash board 1 includes woodgrained paper, and woodgrained paper surface is covered with wear-resisting fireprotection layer, woodgrained paper Dash board 1 is collectively constituted with wear-resisting fireprotection layer.In specific the present embodiment, wear-resisting fireprotection layer is aluminum oxide layer.
Composite floor board in the prior art passes through multiwall kraft between dash board and substrate mostly or directly passes through glue Water is bonded together, it may appear that following problems: (1) in general, the hot contraction ratio of substrate is larger, the hot contraction ratio of dash board compared with Small, when temperature change is larger on composite floor board, the deformation extent difference of substrate and dash board is larger, is easy to cause substrate and dash board Between degumming, cracking found although brown paper has certain toughness through actual use, when temperature is acute on composite floor board When strong variation, degumming, problem of Cracking between substrate and dash board are still difficult to avoid that, the final actual use for influencing composite floor board Effect;(2) often containing formaldehyde in glue, directly dash board and substrate are bonded together by glue, glue usage amount is larger, It is not environmentally healthy;Dash board and substrate are bonded together by multiwall kraft, multiwall kraft has carried out at impregnation in advance Reason, it is still not environmentally healthy;Multiwall kraft is glued together simultaneously, uses time longer rear easy layering.Therefore, how to look for To a kind of ideal material as the buffer layer between dash board and substrate, when on the one hand overcoming that temperature change is larger on composite floor board On the other hand degumming, problem of Cracking between substrate and dash board reduce the usage amount of glue, are the dimensional stabilitys of the present embodiment The key point of good stone plastic floor.
Recombinant Wood (i.e. sham wood), also known as chemical wood, atom timber, enhancing timber, composite wood, colored timber or conjunction It is with common wood (fast growing wood) for raw material at timber, it is each by being carried out to common wood, fast growing wood using bionics principle A kind of more superior complete wooden new decorative material of performance of the modified materialization process for producing of kind.Compared with natural material, almost It is not bent, do not crack, is non-warping.Its density can be controlled artificially, and product stability can be good, and in process, it is not present Wood comprehensive utilization rate, can be increased to 85% or more by waste and Value Loss when natural timber is processed.Therefore, Recombinant Wood energy Enough well solve imbalance between supply and demand and low-grade wood excellent the problem of using.
But existing Recombinant Wood is to be come out with veneer by bionics principle recombinant production, therefore timber is deposited in use It is low in some problems, such as poor dimensional stability, surface hardness.Therefore for a long time, the application of Recombinant Wood can only be made At wood skin, decorative use is carried out.Such as People's Republic of China (PRC) forestry industry standard recombinant decorative veneer LY/T1654-2006 Product in standard is defined as: recombinant decorative material is through fancy veneer made of slicing, rotary-cut or sawing.Its physicochemical property in standard Only have a concrete regulation to moisture content, content of formaldehyde, color fastness to light, other performance such as: density, dipping and stripping, abrasion hardness All do not require, and these characteristics are the basic demands as timber floor material.Such as in timber floor national standard, density of wood need to be greater than 0.35kg/cm3, timber not degumming is cracked after dipping and stripping toasts 2 hours for boiling 3 hours and 80 DEG C at 70 DEG C.Current science and technology Wood floor board requirement is all not achieved in wood.Therefore, Recombinant Wood in the prior art is nearly all as the table for decoration function Plate come using.
Inventor passes through to Recombinant Wood the study found that Recombinant Wood eliminates internal stress in process, and quality is more soft It is soft, it is very suitable for as the buffer layer between dash board and substrate, this is to the completely new trial of one kind of Recombinant Wood purposes, inventor's warp It crosses actual production verifying: connecting dash board 1 and substrate 3 for scientific and technological timber layer as buffer layer 2, temperature change is larger on composite floor board When, good buffer function can be formed to the deformation of dash board 1 and substrate 3, avoid the degumming between dash board 1 and substrate 3, crack Problem;And only need to coat a small amount of glue in scientific and technological timber layer upper and lower surface and dash board 1 and substrate 3 can be linked together, it reduces The usage amount of glue, health environment-friendly.In the present embodiment, scientific and technological timber layer with a thickness of 0.3~0.4mm, summarized through actual production It was found that the impurity particle for being sticked to Recombinant Wood layer surface can be to the bonding effect of scientific and technological timber layer when the thickness of scientific and technological timber layer is too small It produces bigger effect;When the thickness of scientific and technological timber layer is excessive, it is difficult to guarantee that dash board 1 and substrate 3 are securely attached together.Specifically In the present embodiment, scientific and technological timber layer with a thickness of 0.3mm.
In the present embodiment, substrate 3 is PVC stone-plastic plate, and it is largely sheet material that PVC stone-plastic plate, which is also known as stone-wood floor, is a kind of The new terrestrial material of high-quality, use natural stone-powder for main raw material(s) constitute high density, high microsteping reticular structure it is solid Base, surface are process coated with macromolecule polyvinyl chloride resin through procedures up to a hundred.PVC stone-plastic plate mainly has the following advantages that,
(1) environmentally protective: the primary raw material for producing stone-plastic plate is natural stone-powder, through the detection of national authority department without any Radioactive element is environmentally protective new terrestrial ornament materials;(2) renewable: stone-plastic plate be it is a kind of renewablely Face ornament materials has huge meaning with ecological environment for protecting national resource;(3) high resiliency and superpower shock resistance: stone Mould plate quality is softer so elastic have good elasticity to restore under the impact of weight very well, while stone plastic floor is with very Strong impact resistance has very strong elasticity to restore heavy impact destruction, will not damage;(4) fire protection flame retarding: stone-plastic plate It itself will not burn and burning can be prevented, up to B1 grades, fire protecting performance is only second to up-to-standard stone-plastic plate fire prevention index Stone material;(5) waterproof and dampproof: stone-plastic plate and water is not afraid of water without affinity, only if it were not for being impregnated and would not be damaged for a long time, and It will not go mouldy because humidity is big.
In the present embodiment, woodgrained paper and wear-resisting fireprotection layer collectively constitute dash board 1, and natural wood texture is imitated on woodgrained paper surface, It is preferable using aesthetics, and woodgrained paper has certain insulating power;Use aluminum oxide layer as wear-resisting fireprotection layer, a side Face can be improved the hardness and wearability on 1 surface of dash board, on the other hand can play the role of fireproof.It should be noted that this It is that woodgrained paper and wear-resisting fireprotection layer are collectively constituted into dash board 1 in embodiment, using scientific and technological timber layer as buffer layer 2, is different from existing It is applied in dash board 1 (epidermis or surface layer) in technology using Recombinant Wood as ornament materials, the scientific and technological timber layer master in the present embodiment That to be played functions as buffer layer, connects dash board 1 and substrate 3;And Recombinant Wood in the prior art is as incrustation Material directly constitutes the dash board of composite floor board.
It, can be to dash board 1 and substrate 3 using scientific and technological timber layer as the buffer layer between dash board 1 and substrate 3 in the present embodiment Good buffer function is formed, degumming between dash board 1 and substrate 3, problem of Cracking are avoided;Scientific and technological timber layer is prepared into simultaneously This is low, reduces floor production cost.
Embodiment 2
In conjunction with Fig. 2, the stone plastic floor of the good stability of the dimension of the present embodiment, structure is substantially the same manner as Example 1, no Be with place: in specific the present embodiment, scientific and technological timber layer with a thickness of 0.4mm;
The stone plastic floor of the good stability of the dimension of the present embodiment is equipped with through hole 4, perforation inside substrate 3 along its length Hole 4 has multiple, and multiple through holes 4 are arranged in parallel along 3 width direction of substrate;The setting of through hole 4 can effectively reduce substrate 3 Weight has saved production cost, and has played buffer function when substrate 3 leads to deformation because of uneven heating, being capable of absorptive substrate 3 On the overwhelming majority deformation, eliminate substrate 3 on internal stress, prolong its service life, efficiently avoid floor deformation phenomenon Generation.It should be noted that the cross section of the through hole 4 in the present embodiment is rectangle, the through hole 4 of rectangular section is easy to add Work forms, and the flowing of air, can reinforce the heat transfer of substrate 3 itself in through hole 4, and substrate 3 is avoided to occur close to heat source part Local heat build-up avoids the local heating of substrate 3 from deforming.
Embodiment 3
In conjunction with Fig. 3, the stone plastic floor of the good stability of the dimension of the present embodiment, structure is substantially the same manner as Example 2, no Be with place: the cross section of the through hole 4 in the present embodiment is circle, and the through hole 4 of circular cross-section can be maximum Increase the contact area of air and 4 inner wall of through hole, enhances the effect of convective heat transfer in through hole 4, be more advantageous to and avoid substrate 3 Local heating deformation.
Embodiment 4
The stone plastic floor of the good stability of the dimension of the present embodiment, structure is substantially the same manner as Example 1, and difference exists In: buffer layer 2 is only nonwoven layer in the present embodiment, and non-woven fabrics do not have latitude and longitude, it is that one kind does not need spinning and weaving and shape At fabric, only textile staple or long filament are oriented or random alignment, form fibre net structure, then uses machine It is tool, hot sticky or the methods of chemical reinforce.Internal stress is not present inside nonwoven layer, quality is relatively soft, is also suitable as Buffer layer between dash board 1 and substrate 3.
Embodiment 5
The stone plastic floor of the good stability of the dimension of the present embodiment, structure is substantially the same manner as Example 1, and difference exists In: buffer layer 2 is composed of scientific and technological timber layer and glass layer in the present embodiment, and the tensile strength of glass fibre is big, tension Intensity is 6.3~6.9g/d, 5.4~5.8g/d of moisture state in normal conditions.Scientific and technological timber layer and glass layer group close As buffer layer 2, on the one hand good buffer function can be formed to the deformation of dash board 1 and substrate 3, on the other hand enhanced The overall structural strength of buffer layer 2.In specific the present embodiment, buffer layer 2 includes three layers of upper, middle and lower, and the upper and lower are science and technology Timber layer, middle layer are glass layer.
In addition, the stone plastic floor of the good stability of the dimension of the present embodiment, surface is equipped with substrate along its length on the substrate 3 Storage glue groove, the substrate storage glue groove are arranged along the width direction adjacent continuous of substrate 3, and substrate storage glue groove is used to accommodate the hot melt of solidification Glue, the setting of substrate storage glue groove expand the bond area of hot melt adhesive, and substrate 3 is made to contact more abundant, Jin Erzeng with hot melt adhesive The big bond area and bonding force of substrate 3, efficiently avoids the generation of floor cracking degumming phenomenon.
Embodiment 6
The stone plastic floor of the good stability of the dimension of the present embodiment, it is substantially the same manner as Example 3, further:
In conjunction with Fig. 4-7, the manufacturing method of the PVC stone molding base of the present embodiment, comprising the following steps:
Step a: raw material mixing and heating;
In step a, batch mixer is added by formula rate in the raw material of PVC stone molding base and additive, in batch mixer It is mixed and heating, fusing obtains primary molten liquid;
Step b: stomata generates;
In step b, the primary molten liquid prepared in step a is drawn into a-road-through air passing hole generating mechanism, is obtained secondary molten Melt liquid;
The nitrogen that 0.3~3MPa (3MPa is taken in the present embodiment) is filled in air storage chamber 1106 is controlled in step b;
In step b, adjust the frequency per second that operation is opened and closed of on-off valve 1105 so that preparation secondary molten liquid its Contain the stomata of 15%~25% (25% is taken in the present embodiment) volume in monomer volume;
Step c: extrusion molding;
In step c, the secondary molten liquid prepared in step b is passed through main extruder, main extruder melts the secondary in it Melt the main-inlet 1201 that liquid squeezes out and is pressed into molding die mechanism;
The primary molten liquid prepared in step a extraction is passed through time extruder all the way, secondary extruder melts the primary in it Melt the secondary entrance 1202 that liquid squeezes out and is pressed into molding die mechanism;
Step d: it is cooled and shaped.
In step d, in the 1206 outside spraying cooling liquid of fusion section of molding die mechanism, PVC stone molding base finished product is obtained.
In the present embodiment, stomata generating mechanism includes stomata generating mechanism ontology 1103, the stomata generating mechanism ontology 1103 be a cylindrical channel, and one end of stomata generating mechanism ontology 1103 is stomata generating mechanism import 1102, and stomata generates The other end of mechanism body 1103 is stomata generating mechanism outlet 1101;If stomata generating mechanism along its length on be provided with A dry group snorkel 1104, every group of snorkel 1104 include the snorkel 1104 inside several insertion stomata generating mechanism, and every group The circumferential equidistantly distributed of all snorkels 1104 on snorkel 1104 along stomata generating mechanism, and same group of snorkel 1104 its end for being inserted into all snorkels 1104 in stomata generating mechanism in being with stomata generating mechanism central axes On the same concentric circles of the heart;Its increasing diameter of concentric circles on the length direction of stomata generating mechanism successively decreases;It is all logical The end that tracheae 1104 is located at outside stomata generating mechanism, which is collected, to be communicated on inlet manifold, and inlet manifold passes through on-off valve 1105 It is connected to air storage chamber 1106;Air storage chamber 1106 is connected to by isolating valve 1107 with air pump 1108;Wherein: snorkel 1104 includes logical Tracheae ontology 11041 and end chambers 11042, end chambers 11042 are the spherical shell for being connected to 11041 end of snorkel body, Through-hole is evenly equipped on the spherical shell, end chambers 11042 are located inside stomata generating mechanism.Wherein: the aperture of through-hole is on spherical shell 0.10~0.25mm;On-off valve 1105 and isolating valve 1107 are electric opening and closing valve;Pressure gauge is installed in air storage chamber 1106.
In the present embodiment, molding die mechanism includes distance piece 1203 and fusion section 1206;Distance piece 1203 includes molding Mold and the surface mold for covering on molding die or more two sides respectively, molding die is for adding the secondary molten liquid squeezed into it Work is at the middle layer of PVC stone molding base, and surface mold is for being processed into PVC stone molding base for the primary molten liquid squeezed into it Upper and lower surfaces layer;The import of molding die is main-inlet 1201, and the outlet of molding die is primary outlet 1205;Surface mold Import is time entrance 1202, and the outlet of surface mold is time outlet 1204;The outer edge of secondary outlet 1204 is equipped with to distance piece The import of the flanging of 1203 centerline direction deviations, fusion section 1206 is connect with flanging.Wherein, on the outer edge of secondary outlet 1204 The angle of the flanging and 1203 center line of distance piece that are equipped with is 3 °~8 ° (8 ° are taken in the present embodiment).
In the present embodiment, moulded by the PVC stone that stomata generating mechanism can obtain uniformly distributed a large amount of Minute pores in middle layer Substrate finished product can be had using this kind of novel technique under the premise of guaranteeing that PVC stone molding base has certain mechanical strength Effect reduces the usage amount of raw material, so that the preparation cost of PVC stone molding base is greatly reduced, improves the market of PVC stone plastic floor Competitiveness;Meanwhile uniformly distributed a large amount of Minute pores can be improved the sound insulation and thermal insulation property of PVC stone molding base, warp in middle layer Test, compared to traditional PVC stone molding base, its sound insulation of PVC stone molding base and thermal insulation property prepared in the present embodiment is equal Promote 20% or more.In specific the present embodiment, the primary molten liquid prepared in step a is drawn into a-road-through air passing hole and generates machine Structure, primary molten liquid enters in stomata generating mechanism ontology 1103 from stomata generating mechanism import 1102, wherein controlling on-off valve 1105 are opened and closed operation with certain frequency, and on-off valve 1105, which is opened and closed, once has nitrogen from the through-hole in end chambers 11042 It sprays, forms countless Minute pores in primary molten liquid, and multiple end chambers 11042 are evenly arranged on the interior of stomata generating mechanism Portion, therefore primary molten liquid is by being the secondary molten liquid for forming internal uniformly distributed countless Minute pores after stomata generating mechanism;Storage The pressure gauge of pressure in real-time measurement air storage chamber 1106 is installed, when the pressure in discovery air storage chamber 1106 is lower than in gas chamber 1106 When setting value, isolating valve 1107 can be automatically turned on using air pump 1108 and fill nitrogen into air storage chamber 1106, to maintain air storage chamber Certain pressure in 1106, to be impacted nitrogen after on-off valve 1105 is opened every time using the hyperbar in air storage chamber 1106 It is passed through inside stomata generating mechanism, is conducive to a large amount of formation of Minute pores;It wherein, can be per second by adjusting on-off valve 1105 Size, quantity of air vent aperture etc. are micro- to control in the size, end chambers 11042 of air pressure in opening and closing frequency, air storage chamber 1106 The size and forming quantity of spilehole, it is small to control by adjusting the opening and closing frequency per second of on-off valve 1105 in the present embodiment The size and number of stomata, test of many times prove that the volume for controlling all Minute pores in monomer volume secondary molten liquid occupies 15%~25% space can reduce production cost and guarantee to find balance between the certain mechanical strength of PVC stone molding base Point realizes that comprehensive benefit maximizes.(in the present embodiment, on-off valve 1105 is controlled with 10-60 times per second frequency, behaviour is opened and closed Make.)
In the present embodiment, in order to ensure PVC stone molding base finished product its upper and lower surface finally prepared is smooth shape, To adapt to actual use, the middle layer and upper and lower surfaces layer of PVC stone molding base are prepared respectively by molding die mechanism, so Middle layer and upper and lower surfaces layer effective integration are formed into PVC stone molding base finished product afterwards;Wherein, the secondary prepared in step b is melted Melt liquid and be passed through main extruder, the secondary molten liquid in it is squeezed out and is pressed into the main-inlet of molding die mechanism by main extruder 1201, it is made into middle layer in molding die, the synchronous primary molten liquid extraction that will be prepared in step a is passed through time extrusion all the way Machine, the primary molten liquid in it is squeezed out and is pressed into the secondary entrance 1202 of molding die mechanism by secondary extruder, in surface mold It is made into upper and lower surfaces layer, wherein mold used in traditional PVC stone molding base preparation process can be used in molding die, for The PVC stone molding base for producing different types of structure, replaces corresponding molding die;Surface mold is by primary molten liquid system At the mold of plane;At the same time, since the two sides up and down of molding die are covered with surface mold respectively, in distance piece 1203, Middle layer and the forming process of upper and lower surfaces layer separate, therefore, in order to ensure middle layer and upper and lower surfaces layer are being melted It closes and is effectively fused together in section 1206, is equipped on the outer edge of secondary outlet 1204 inclined to 1203 centerline direction of distance piece Upper and lower surfaces layer can be pushed to the upper and lower surface of middle layer by the flanging, while cooperate fusion section 1206 by the flanging of folding Spraying cooling effect in outside is conducive to middle layer and upper and lower surfaces layer and effectively merges in fusion section 1206;The present embodiment In, control the angle of flanging and 1203 center line of distance piece that time outer edge of outlet 1204 is equipped be 3 °~8 ° (angle is set Meter is more than this range for promoting the fusion between middle layer and upper and lower surfaces layer ineffective), it can effectively promote Fusion between interbed and upper and lower surfaces layer.
Embodiment 7
The manufacturing method of the PVC stone molding base of the present embodiment, step is substantially the same manner as Example 6, and difference exists In: the nitrogen that 0.3Pa is filled in air storage chamber 1106 is controlled in step b;In step b, on-off valve 1105 is per second is opened for adjustment The frequency of closed operation, so that the stomata containing 15% volume in the secondary molten liquid monomer volume of preparation;Secondary outlet 1204 The flanging that is equipped with of outer edge and the angle of 1203 center line of distance piece be 3 °.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution Similar frame mode and embodiment, are within the scope of protection of the invention.

Claims (6)

1. a kind of stone plastic floor of good stability of the dimension, including dash board (1) and substrate (3), it is characterised in that:
It is connected between dash board (1) and substrate (3) by buffer layer (2), the buffer layer (2) is scientific and technological timber layer, nonwoven layer, glass The combination of one or both of glass fibrous layer or three kinds of combination;
The substrate (3) is PVC stone-plastic plate;
The buffer layer (2) is scientific and technological timber layer;
It is described science and technology timber layer with a thickness of 0.3~0.4mm;
The PVC stone-plastic plate is PVC stone molding base, which is prepared using following steps:
Step a: raw material mixing and heating;
In step a, batch mixer is added in the raw material of PVC stone molding base and additive, is mixed and heats in batch mixer, Fusing obtains primary molten liquid;
Step b: stomata generates;
In step b, the primary molten liquid prepared in step a is drawn into a-road-through air passing hole generating mechanism, obtains secondary molten liquid;
The stomata generating mechanism includes stomata generating mechanism ontology (1103), which is a circle Cylindrical channel, one end of stomata generating mechanism ontology (1103) are stomata generating mechanism import (1102), stomata generating mechanism sheet The other end of body (1103) is that stomata generating mechanism exports (1101);Stomata generating mechanism along its length on be provided with it is several Group snorkel (1104), every group of snorkel (1104) include the snorkel (1104) inside several insertion stomata generating mechanism, All snorkels (1104) on every group of snorkel (1104) along stomata generating mechanism circumferential equidistantly distributed, and same group Its end for being inserted into all snorkels (1104) in stomata generating mechanism of snorkel (1104) is located at stomata generating mechanism On the same concentric circles centered on central axes;Its increasing diameter of concentric circles on the length direction of stomata generating mechanism is passed Subtract;All snorkels (1104), which are located at the end outside stomata generating mechanism, to be collected and is communicated on inlet manifold, and inlet manifold is logical On-off valve (1105) is crossed to be connected to air storage chamber (1106);Air storage chamber (1106) is connected by isolating valve (1107) and air pump (1108) It is logical;Wherein: snorkel (1104) includes snorkel body (11041) and end chambers (11042), and end chambers (11042) are It is connected to the spherical shell of snorkel body (11041) end, through-hole is evenly equipped on the spherical shell, end chambers (11042) are located at stomata Inside generating mechanism;
The nitrogen that 0.3~3MPa is filled in air storage chamber (1106) is controlled in step b;
In step b, on-off valve (1105) frequency per second that operation is opened and closed is adjusted, so that its list of the secondary molten liquid of preparation Stomata containing 15%~25% volume in body volume;
Step c: extrusion molding;
In step c, the secondary molten liquid prepared in step b is passed through main extruder, main extruder is by the secondary molten liquid in it Squeeze out and be pressed into the main-inlet (1201) of molding die mechanism;
The molding die mechanism includes distance piece (1203) and fusion section (1206);Distance piece (1203) include molding die and The surface mold of molding die or more two sides is covered on respectively, and molding die is for the secondary molten liquid squeezed into it to be processed into The middle layer of PVC stone molding base, surface mold be used for by the primary molten liquid squeezed into it be processed into PVC stone molding base, Undersurface layer;The import of molding die is main-inlet (1201), and the outlet of molding die is primary outlet (1205);Surface mold Import is time entrance (1202), and the outlet of surface mold is time outlet (1204);It is secondary outlet (1204) outer edge be equipped with to The import of the flanging of distance piece (1203) centerline direction deviation, fusion section (1206) is connect with flanging;
The primary molten liquid prepared in step a extraction is passed through time extruder all the way, secondary extruder is by the primary molten liquid in it Squeeze out and be pressed into the secondary entrance (1202) of molding die mechanism;
Step d: it is cooled and shaped;
In step d, the spraying cooling liquid on the outside of the fusion section (1206) of molding die mechanism obtains PVC stone molding base finished product.
2. the stone plastic floor of good stability of the dimension according to claim 1, it is characterised in that: the dash board (1) includes wood Line paper.
3. the stone plastic floor of good stability of the dimension according to claim 2, it is characterised in that: the woodgrained paper surface covering There is wear-resisting fireprotection layer.
4. the stone plastic floor of good stability of the dimension according to claim 1, it is characterised in that: the internal edge of the substrate (3) Length direction is equipped with through hole (4).
5. the stone plastic floor of good stability of the dimension according to claim 4, it is characterised in that: the through hole (4) has more A, multiple through holes (4) are arranged in parallel along substrate (3) width direction.
6. the stone plastic floor of good stability of the dimension according to claim 3, it is characterised in that: the wear-resisting fireprotection layer is three Al 2 O layer.
CN201710945773.0A 2017-10-11 2017-10-11 A kind of stone plastic floor of good stability of the dimension Active CN107882295B (en)

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CN105199259A (en) * 2015-09-02 2015-12-30 南召县磊鑫钙业新型材料科技有限公司 Stone-wood floor and production technology and laying method thereof
CN205651722U (en) * 2016-05-19 2016-10-19 安徽以诺木塑板材科技有限公司 Stone plastic floor that dimensional stability is good
CN206521905U (en) * 2017-02-21 2017-09-26 佳辰地板常州有限公司 A kind of calcium sulfate antistatic floor
CN206487111U (en) * 2017-02-28 2017-09-12 佛山市稳格家居用品有限公司 A kind of damping Sound insulation flooringses leather
CN206538981U (en) * 2017-03-11 2017-10-03 青岛光脚丫建筑材料有限公司 A kind of steady type circular hole Wood-plastic floor

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Denomination of invention: A stone plastic floor with good dimensional stability

Granted publication date: 20190802

Pledgee: Development Zone sub branch of Anhui Hexian Rural Commercial Bank Co.,Ltd.

Pledgor: ANHUI YINUO WOOD PLASTIC SHEET TECHNOLOGY Co.,Ltd.

Registration number: Y2024980014654