CN107938994B - A kind of double-layer combined floor of anti-deformation - Google Patents
A kind of double-layer combined floor of anti-deformation Download PDFInfo
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- CN107938994B CN107938994B CN201710945772.6A CN201710945772A CN107938994B CN 107938994 B CN107938994 B CN 107938994B CN 201710945772 A CN201710945772 A CN 201710945772A CN 107938994 B CN107938994 B CN 107938994B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring 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
- E04F15/107—Flooring 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Floor Finish (AREA)
Abstract
The invention discloses a kind of double-layer combined floors of anti-deformation, belong to floor field.The present invention is bonded by the panel on upper layer and the substrate of lower layer, and upper surface of base plate is equipped with substrate storage glue groove along its length；Two edges of substrate along its length are symmetrically arranged with the recess being mutually inserted and tang structure, and two edges of substrate in the width direction are equally symmetrically arranged with the recess being mutually inserted and tang structure；Bilevel through channel, upper layer through channel and lower layer's through channel Heterogeneous Permutation are evenly distributed with inside substrate along its length.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.Present invention reduces the production cost on double-layer combined floor, protect ecological environment, efficiently avoid double-layer combined floor come unglued, the generation of metaboly.
Description
Technical field
The present invention relates to a kind of floors, more specifically to a kind of double-layer combined floor of anti-deformation.
Background technique
Currently, Compossite solid-wood floor plate mainly with multi-layer solid wood it is compound based on, performance is closer to pure solid wood with three layers.Three
Layer solid wooden compound floor is staggeredly to be composed of three layers of thin solid wood board by more complex technique.Three layers of compound tense, compared with
Thin bottom and surface layer wood grain is longitudinal arrangement, and thicker middle layer wood grain is transversely arranged, to neutralize the natural deformation of timber.
The superficial layer of this three-layer wood composite flooring using good timber, (such as: want, remote redwood is wanted, mountain core by oak, maple, teak
Peach and walnut etc.), middle layer, bottom then use elastic preferable fast growing wood (such as: pine, poplar), can efficiently solve
A series of problems, such as timber floor changes the buckling deformation generated and cracking due to temperature and humidity in different environments.Three-layer real-wood
The precious timber of composite floor board superficial layer not only remains solid wooden floor board wood grain grace, natural characteristic, and utmostly saves
The about resource of high-quality precious timber, and be able to satisfy people and precious timber is liked.But existing MULTILAYER COMPOSITE solid wood
Plate is still required to consume a large amount of timber, and with increasingly rare and protection environment the needs of timber resources, existing multilayer is multiple
It closes solid wooden floor board and often faces the problem of production cost rises and destroys ecological environment.
In recent years, the US Department of Commerce discloses " double anti-" policy of U.S.'s multi-layer wooden floor anti-dumping to China, anti-subsidy, such as
On November 12 2010 Washington, DC time, it is anti-that U.S. Department of Commerce announces U.S. multi-layer wooden floor product initiation anti-dumping defeated to China
Subsidy merges investigation and determines.U.S. domestic industry is required on October 21st, 2010 to U.S. Department of Commerce and International Trade Commission application
Anti-dumping anti-subsidy is carried out to multi-layer wooden floor product native to China and merges investigation.It is announced, is investigated according to U.S. Department of Commerce
Product is three layers and three layers and combines the multi-layer wooden floor formed with upper layer and sandwich layer.In order to evade U.S.'s multi-layer wooden floor to China
" double anti-" policy, some floor production enterprises in China expect that production only has the compoiste wood floor of double-layer structure, due to two layers
The compoiste wood floor of structure is not belonging to the product within the scope of U.S.'s multi-layer wooden floor to China " double anti-" policy, therefore double-layer structure
Compoiste wood floor is when exporting the U.S. with very big competitive advantage.But answering for double-layer structure is found in existing development process
Closing timber floor, often manufacture difficulty is higher, and is easy to produce and comes unglued and deform.
The compoiste wood floor of double-layer structure, such as Chinese Patent Application No. are had been developed that in the prior art:
2006201259419, the applying date: on November 30th, 2006, invention and created name are as follows: a kind of solid wooden compound floor, this application
A kind of solid wooden compound floor is disclosed, it includes dash board and substrate double-layer structure, and substrate uses finger-jointed plate, in substrate and dash board
Flexible balance bar groove is provided on upper faying face.Flexible balance bar groove is 3~6 rectangles opened up along the length direction of plate
Slot.It is equipped with and the staggered lower flexible balance bar groove of flexible balance bar groove on faying face thereon in base lower surface.Due to
Substrate uses cold spelling finger-jointed plate, and substrate is compound using powerful white latex with dash board, is green so being entirely free of formaldehyde composition
Environment-friendly products；Flexible balance bar groove reduces the internal stress of plate, in the case where dampness, heated or dry, deflection
It is small, reduce the possibility that floor cripling occurs, cracks.But there is also the following defects for being difficult to overcome for this application: (1), being somebody's turn to do
Solid wooden compound floor uses solid wood to manufacture completely, and high production cost and destruction ecological environment do not meet the principle of sustainable development；
(2), the bonding force between dash board and substrate is smaller, is easy to appear phenomenon of coming unglued.
In conclusion how overcoming the compoiste wood floor high production cost of existing double-layer structure, destroying ecological environment, and hold
It is also easy to produce the deficiency come unglued with metaboly, is the technical problem of urgent need to resolve in the prior art.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome the compoiste wood floor high production cost of existing double-layer structure, destroy ecological environment,
And it is easy to produce the deficiency come unglued with metaboly, a kind of double-layer combined floor of anti-deformation is provided, two-layer compound is reduced
The production cost on formula floor, protect ecological environment, efficiently avoid double-layer combined floor come unglued, the hair of metaboly
It is raw.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
The double-layer combined floor of anti-deformation of the invention, is bonded by the panel on upper layer and the substrate of lower layer,
The panel is solid wood board, and substrate is PVC stone-plastic plate；The upper surface of panel is covered with the coat of paint；
The thickness of the substrate is greater than the thickness of panel；Upper surface of base plate is equipped with substrate storage glue groove along its length；Substrate
Two edges along its length are symmetrically arranged with the recess being mutually inserted and tang structure, two sides of substrate in the width direction
Edge is equally symmetrically arranged with the recess being mutually inserted and tang structure；Upper layer and lower layer are evenly distributed with inside substrate along its length
Through channel, upper layer through channel and lower layer's through channel Heterogeneous Permutation.
As further improvement of the present invention, the substrate storage glue groove is the groove that cross section is V-arrangement, which stores up glue
Slot is arranged along the width direction adjacent continuous of substrate.
As further improvement of the present invention, the substrate storage glue groove is the groove that cross section is arc, substrate storage
Glue groove is arranged along the width direction adjacent continuous of substrate.
As further improvement of the present invention, the recess and tang structure are dovetail groove and trapezoid boss.
As further improvement of the present invention, the cross section of the through channel is rectangle.
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:
(1) the double-layer combined floor of anti-deformation of the invention is equipped with substrate storage glue groove in upper surface of base plate along its length,
The substrate storage glue groove is arranged along the width direction adjacent continuous of substrate, and solidification has hot melt adhesive, substrate storage glue groove in substrate storage glue groove
Setting expand the bond area of hot melt adhesive, make that substrate contacts with hot melt adhesive more sufficiently, and then increase substrate and panel
Between bonding force, efficiently avoid the double-layer combined floor of anti-deformation and come unglued the generation of phenomenon；Or in panel lower surface
It is equipped with panel storage glue groove along its length, which arranges along the width direction adjacent continuous of panel, panel storage glue groove
Interior solidification has hot melt adhesive, and the setting of panel storage glue groove expands the bond area of hot melt adhesive, contacts panel more with hot melt adhesive
Sufficiently, and then the bonding force between substrate and panel is increased, efficiently avoids the double-layer combined floor of anti-deformation and comes unglued now
The generation of elephant.
(2) substrate on the double-layer combined floor of anti-deformation of the invention, lower layer replaces solid wood material using PVC stone-plastic plate
Material, reduces the usage amount of high-quality timber, reduces the production cost on the double-layer combined floor of anti-deformation, protect ecological ring
Border, and PVC stone-plastic plate is renewable resource, meets the principle of sustainable development.
(3) anti-deformation of the invention double-layer combined floor is evenly distributed with upper layer and lower layer inside substrate along its length
Through channel, upper layer through channel and lower layer's through channel Heterogeneous Permutation；The cross section of through channel is rectangle.The present invention
In, the setting of upper layer and lower layer through channel can effectively reduce the weight of substrate, save cost, and in substrate because of uneven heating
And cause to play buffer function when deformation, can overwhelming majority deformation in absorptive substrate, eliminate the internal stress on substrate, extend
Its service life efficiently avoids the generation of the double-layer combined floor deformation phenomenon.In the present invention, upper layer through channel with
It the case where lower layer's through channel Heterogeneous Permutation, such design is compared to one layer of through channel is only arranged, being capable of suction more evenly
Deformation of the substrate in entire width direction is received, so that substrate is maintained whole good shape, substrate is avoided local internal stress occur
Excessive phenomenon, prevent the double-layer combined floor deform phenomenon effect it is more prominent.
(4) the double-layer combined floor of anti-deformation of the invention, two edges of substrate along its length are symmetrically arranged with phase
The recess and tang structure of mutual grafting, two edges of substrate in the width direction be equally symmetrically arranged with the recess being mutually inserted and
Tang structure；It can be conveniently by the double-layer combined floor of muti-piece anti-deformation along length by above-mentioned recess and tang structure
Direction and width direction are mutually stitched together, convenient for mating formation for the double-layer combined floor of the anti-deformation, improve its installation and
Remove efficiency.In the present invention, recess and tang structure are dovetail groove and trapezoid boss, and above-mentioned trapezoid boss is inserted into dovetail groove
Interior and match with dovetail groove, the fit clearance of dovetail groove and trapezoid boss is smaller, and can limit two pieces mutually splice preapre for an unfavorable turn of events
The displacement of the double-layer combined floor of shape in the direction of the width, makes the stronger and tight of the double-layer combined Floor Covering of the anti-deformation
It is close.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the double-layer combined floor of anti-deformation of embodiment 1 in the width direction；
Fig. 2 is the schematic diagram of the section structure of the double-layer combined floor of anti-deformation of embodiment 2 in the width direction；
Fig. 3 is the schematic diagram of the section structure of the double-layer combined floor of anti-deformation of embodiment 3 in the width direction；
Fig. 4 is the schematic diagram of the section structure of the double-layer combined floor of anti-deformation of embodiment 4 in the width direction.
Fig. 5 is the structural schematic diagram of stomata generating mechanism in embodiment 5；
Fig. 6 is the partial enlarged view in Fig. 5 at A；
Fig. 7 is the structural schematic diagram of molding die mechanism in embodiment 5；
Fig. 8 is the flow chart of the manufacturing method of PVC stone molding base in embodiment 5.
Label declaration in schematic diagram: 1, substrate；101, recess and tang structure；102, through channel；103, substrate stores up
Glue groove；2, panel；201, panel storage glue groove；1101, stomata generating mechanism exports；1102, stomata generating mechanism import；1103,
Stomata generating mechanism ontology；1104, snorkel；11041, snorkel 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 double-layer combined floor of the anti-deformation of the present embodiment is bonded by the panel 2 on upper layer and the substrate 1 of lower layer
It forms.Panel 2 is solid wood board, and substrate 1 is PVC stone-plastic plate.The upper surface of panel 2 is covered with the coat of paint, and the coat of paint plays protection
With the effect of decoration.The thickness of substrate 1 is greater than the thickness of panel 2.1 upper surface of substrate is equipped with substrate storage glue groove along its length
103, substrate storage glue groove 103 is the groove that cross section is V-arrangement, width direction adjacent continuous of the substrate storage glue groove 103 along substrate 1
Arrangement.Two edges of substrate 1 along its length are symmetrically arranged with the recess being mutually inserted and tang structure 101, and substrate 1 is along width
Degree direction two edges be equally symmetrically arranged with the recess being mutually inserted and tang structure 101, the recess in the present embodiment and
Tang structure 101 is dovetail groove and trapezoid boss, and above-mentioned trapezoid boss is inserted into matching in dovetail groove and with dovetail groove.Base
Bilevel through channel 102 is evenly distributed with inside plate 1 along its length, upper layer through channel 102 and lower layer's perforation are logical
102 Heterogeneous Permutation of road.The cross section of through channel 102 is rectangle.
PVC stone-plastic plate is also known as stone-wood floor, is largely sheet material, is a kind of new terrestrial material of high-quality, using day
Right mountain flour is the solid base that main raw material(s) constitutes high density, high microsteping reticular structure, surface coated with macromolecule polyvinyl chloride resin,
It is process 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.
The substrate 1 on the double-layer combined floor of the anti-deformation of the present embodiment, lower layer replaces solid wood material using PVC stone-plastic plate
Material, reduces the usage amount of high-quality timber, reduces the production cost on the double-layer combined floor of anti-deformation, protect ecological ring
Border, and PVC stone-plastic plate is renewable resource, meets the principle of sustainable development.
The double-layer combined floor of the anti-deformation of the present embodiment, the panel 2 on upper layer and the substrate 1 of lower layer are bonded by hot melt adhesive
Together, it but finds in actual use, the double-layer combined floor of the anti-deformation is being heated not because only there was only double-layer structure
Entirety deformation quantity is larger when, therefore the hot melt adhesive between upper layer panel 2 and underlying substrate 1 on contact surface is be easy to cause to fall off,
Cause phenomenon of coming unglued；And upper layer panel 2 is solid wood board, underlying substrate 1 is PVC stone-plastic plate, solid wood board and PVC stone-plastic plate heated
Thermal expansion coefficient is different in expansion process, increase the double-layer combined floor of the anti-deformation come unglued phenomenon a possibility that.Base
In above-mentioned consideration, the double-layer combined floor of the anti-deformation of the present embodiment, surface is equipped with substrate storage glue along its length on substrate 1
Slot 103, the substrate storage glue groove 103 are arranged along the width direction adjacent continuous of substrate 1, and solidification has hot melt in substrate storage glue groove 103
Glue, the setting of substrate storage glue groove 103 expand the bond area of hot melt adhesive, contact substrate 1 with hot melt adhesive more abundant, in turn
The bonding force between substrate 1 and panel 2 is increased, the double-layer combined floor of anti-deformation is efficiently avoided and comes unglued the hair of phenomenon
It is raw.
The anti-deformation of the present embodiment double-layer combined floor is evenly distributed with upper layer and lower layer inside substrate 1 along its length
Through channel 102, upper layer through channel 102 and 102 Heterogeneous Permutation of lower layer's through channel；The cross section of through channel 102 is
Rectangle.In the present embodiment, the setting of upper layer and lower layer through channel 102 can effectively reduce the weight of substrate 1, save cost,
And play buffer function when substrate 1 leads to because of uneven heating deformation, can overwhelming majority deformation in absorptive substrate 1, disappear
It except the internal stress on substrate 1, prolongs its service life, efficiently avoids the generation of the double-layer combined floor deformation phenomenon.
In the present embodiment, upper layer through channel 102 and 102 Heterogeneous Permutation of lower layer's through channel, such design is compared to being only arranged one
The case where layer through channel 102, can deformation of the absorptive substrate 1 in entire width direction more evenly, so that substrate 1 is remained whole
The good shape of body avoids substrate 1 from the excessive phenomenon of local internal stress occur, prevents the double-layer combined floor from deforming existing
The effect of elephant is more prominent.
The double-layer combined floor of the anti-deformation of the present embodiment, two edges of substrate 1 along its length are symmetrically arranged with phase
The recess and tang structure 101 of mutual grafting, two edges of substrate 1 in the width direction be equally symmetrically arranged be mutually inserted it is recessed
Mouth and tang structure 101；It can be conveniently double-layer combined by muti-piece anti-deformation by above-mentioned recess and tang structure 101
Floor is mutually stitched together with width direction along its length, convenient for mating formation for the double-layer combined floor of the anti-deformation, improves
Its installation and remove efficiency.In the present embodiment, recess and tang structure 101 are dovetail groove and trapezoid boss, above-mentioned trapezoidal convex
Platform is inserted into matching in dovetail groove and with dovetail groove, and the fit clearance of dovetail groove and trapezoid boss is smaller, and can limit two
The displacement of the double-layer combined floor of the anti-deformation that block mutually splices in the direction of the width makes the double-layer combined floor paving of the anti-deformation
What is filled is stronger and close.
Hot melt adhesive used in the present embodiment (English name: Hot Glue) is a kind of adhesive of plasticity, in certain temperature
Its physical state in range is spent to change with temperature and change, and chemical characteristic is constant, it is non-toxic and tasteless, formaldehyde composition is not contained,
Belong to environmental type chemical products.Because of its product itself system solid, convenient for packaging, transport, store, solvent-free, pollution-free, nontoxic
Type；And simple production process, the advantages that high added value, bonding strength is big, speed is fast and by favor.
Embodiment 2
In conjunction with Fig. 2, the double-layer combined floor of the anti-deformation of the present embodiment is bonded by the panel 2 on upper layer and the substrate 1 of lower layer
It forms.Panel 2 is solid wood board, and substrate 1 is PVC stone-plastic plate.The upper surface of panel 2 is covered with the coat of paint.The thickness of substrate 1 is greater than
The thickness of panel 2.1 upper surface of substrate is equipped with substrate storage glue groove 103 along its length, and substrate storage glue groove 103 is that cross section is arc
The groove of shape, the substrate storage glue groove 103 are arranged along the width direction adjacent continuous of substrate 1.Two sides of substrate 1 along its length
Along the recess being mutually inserted and tang structure 101 is symmetrically arranged with, two edges of substrate 1 in the width direction are equally symmetrical arranged
There are the recess being mutually inserted and tang structure 101, the recess and tang structure 101 in the present embodiment are dovetail groove and trapezoidal convex
Platform, above-mentioned trapezoid boss are inserted into matching in dovetail groove and with dovetail groove.It is evenly distributed with along its length inside substrate 1
Bilevel through channel 102, upper layer through channel 102 and 102 Heterogeneous Permutation of lower layer's through channel.Through channel 102
Cross section is rectangle.
Embodiment 3
In conjunction with Fig. 3, the double-layer combined floor of the anti-deformation of the present embodiment is bonded by the panel 2 on upper layer and the substrate 1 of lower layer
It forms.Panel 2 is solid wood board, and substrate 1 is PVC stone-plastic plate.The upper surface of panel 2 is covered with the coat of paint.The thickness of substrate 1 is greater than
The thickness of panel 2.2 lower surface of panel is equipped with panel storage glue groove 201 along its length, and panel storage glue groove 201 is that cross section is V-arrangement
Groove, the panel storage glue groove 201 along panel 2 width direction adjacent continuous arrange.Two edges of substrate 1 along its length
It is symmetrically arranged with the recess being mutually inserted and tang structure 101, two edges of substrate 1 in the width direction are equally symmetrically arranged with
The recess and tang structure 101 being mutually inserted, recess and tang structure 101 in the present embodiment are dovetail groove and trapezoid boss,
Above-mentioned trapezoid boss is inserted into matching in dovetail groove and with dovetail groove.It is evenly distributed with along its length inside substrate 1
Lower two layers of through channel 102, upper layer through channel 102 and 102 Heterogeneous Permutation of lower layer's through channel.The cross of through channel 102
Section is rectangle.
The double-layer combined floor of the anti-deformation of the present embodiment is equipped with panel storage glue groove in 2 lower surface of panel along its length
201, which arranges along the width direction adjacent continuous of panel 2, and solidification has hot melt adhesive in panel storage glue groove 201,
The setting of panel storage glue groove 201 expands the bond area of hot melt adhesive, and panel 2 is made to contact more abundant, Jin Erzeng with hot melt adhesive
Big bonding force between substrate 1 and panel 2 efficiently avoids the double-layer combined floor of anti-deformation and comes unglued the generation of phenomenon.
Embodiment 4
In conjunction with Fig. 4, the double-layer combined floor of the anti-deformation of the present embodiment is bonded by the panel 2 on upper layer and the substrate 1 of lower layer
It forms.Panel 2 is solid wood board, and substrate 1 is PVC stone-plastic plate.The upper surface of panel 2 is covered with the coat of paint.The thickness of substrate 1 is greater than
The thickness of panel 2.2 lower surface of panel is equipped with panel storage glue groove 201 along its length, and panel storage glue groove 201 is that cross section is arc
The groove of shape, the panel storage glue groove 201 are arranged along the width direction adjacent continuous of panel 2.Two sides of substrate 1 along its length
Along the recess being mutually inserted and tang structure 101 is symmetrically arranged with, two edges of substrate 1 in the width direction are equally symmetrical arranged
There are the recess being mutually inserted and tang structure 101, the recess and tang structure 101 in the present embodiment are dovetail groove and trapezoidal convex
Platform, above-mentioned trapezoid boss are inserted into matching in dovetail groove and with dovetail groove.It is evenly distributed with along its length inside substrate 1
Bilevel through channel 102, upper layer through channel 102 and 102 Heterogeneous Permutation of lower layer's through channel.Through channel 102
Cross section is rectangle.
Embodiment 5
The double-layer combined floor of the anti-deformation of the present embodiment, it is substantially the same manner as Example 1, further:
In conjunction with Fig. 5-8, 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 6
The manufacturing method of the PVC stone molding base of the present embodiment, step is substantially the same manner as Example 5, 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 (5)
1. a kind of double-layer combined floor of anti-deformation is bonded, feature by the panel (2) on upper layer and the substrate (1) of lower layer
It is:
The panel (2) is solid wood board, and substrate (1) is PVC stone-plastic plate；The upper surface of panel (2) is covered with the coat of paint；
The thickness of the substrate (1) is greater than the thickness of panel (2)；Substrate (1) upper surface is equipped with substrate storage glue groove along its length
(103)；Two edges of substrate (1) along its length are symmetrically arranged with the recess being mutually inserted and tang structure (101), substrate
(1) two edges in the width direction are equally symmetrically arranged with the recess being mutually inserted and tang structure (101)；In substrate (1)
Portion is evenly distributed with bilevel through channel (102) along its length, upper layer through channel (102) and lower layer's through channel
(102) Heterogeneous Permutation；
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 double-layer combined floor of anti-deformation according to claim 1, it is characterised in that: the substrate storage glue groove (103)
It is the groove that cross section is V-arrangement, which arranges along the width direction adjacent continuous of substrate (1).
3. the double-layer combined floor of anti-deformation according to claim 1, it is characterised in that: the substrate storage glue groove (103)
It is the groove that cross section is arc, which arranges along the width direction adjacent continuous of substrate (1).
4. the double-layer combined floor of anti-deformation according to claim 2, it is characterised in that: the recess and tang structure
It (101) is dovetail groove and trapezoid boss.
5. the double-layer combined floor of anti-deformation according to claim 1 or 4, it is characterised in that: the through channel (102)
Cross section be rectangle.
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| CN201710945772.6A CN107938994B (en) | 2017-10-11 | 2017-10-11 | A kind of double-layer combined floor of anti-deformation |
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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 |
| CN205531183U (en) * | 2016-04-21 | 2016-08-31 | 安徽以诺木塑板材科技有限公司 | Preapre for an unfavorable turn of events shape double -deck combined type floor |
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Denomination of invention: Anti-deformation double-layer composite floor Effective date of registration: 20191217 Granted publication date: 20190719 Pledgee: Huizhou bank, Limited by Share Ltd and County branch Pledgor: Anhui is with promise Wood plastic boards Science and Technology Ltd. Registration number: Y2019980001051 |