CN110424674A - The floor co-extrusion SPC and its production equipment - Google Patents
The floor co-extrusion SPC and its production equipment Download PDFInfo
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- CN110424674A CN110424674A CN201910772608.9A CN201910772608A CN110424674A CN 110424674 A CN110424674 A CN 110424674A CN 201910772608 A CN201910772608 A CN 201910772608A CN 110424674 A CN110424674 A CN 110424674A
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- 238000001125 extrusion Methods 0.000 title claims abstract description 92
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000012937 correction Methods 0.000 claims abstract description 37
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- 239000000463 material Substances 0.000 claims description 285
- 125000006850 spacer group Chemical group 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 234
- 238000010586 diagram Methods 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
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- 238000012552 review Methods 0.000 description 3
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- 238000003860 storage Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 210000004276 hyalin Anatomy 0.000 description 2
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- 230000007704 transition Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
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- 238000007599 discharging Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
- E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
Abstract
The present invention provides a kind of floor co-extrusion SPC and its production equipments, including at least substrate layer, the decorative layer being overlying on the substrate layer, the substrate layer successively includes the elastic layer formed by co-extrusion, enhancement layer, correction layer from top to bottom, and the ratio between the elastic layer, the enhancement layer, thickness of the correction layer three are 1:(3.0-3.5): 1.All have relatively good stable type in width, length direction, can Fast Installation, lock does not occur in use process and is detached from sealed problem, and there is relatively long service life.
Description
Technical field
This application involves SPC technical field of floor, and in particular to a kind of floor co-extrusion SPC, the application also relate to this
The production equipment on the kind floor co-extrusion SPC.
Background technique
SPC(Stone Plastic Composite) floor is a kind of emerging stone plastic floor, generally comprise substrate layer,
Printing layer and wearing layer squeeze out SPC substrate by extrusion device combination T-type extruder head, with three rollers or four-roll calender respectively resistance to
Grind layer, facing paper (or color film) is bonded with SPC substrate one-time heating, it is obtained to emboss.The floor SPC have environmental protection, stability it is good,
The high advantage of intensity.However, the SPC substrate layer that single layer in the prior art squeezes out, performance is relatively simple, difficult strong in mechanics
Degree, flexibility two indices reach balance, imply that or mechanical strength height and flexibility is weak or flexibility is good and mechanical strength is weak.
Thus cause some problems, such as the floor SPC that single layer squeezes out is after storage after a period of time, it may appear that length direction it is curved
Song deformation.SPC floor thick-ness is relatively thin (generally about 4 ~ 8mm), therefore, although there are length directions on the floor SPC when installation
Bending deformation still can be completed to install reluctantly in such a way that strength presses.However, there are still bending deformations for SPC floorboard
Trend easily leads to lock and is detached from sealed problem.On the other hand, the floor the SPC service life that single layer squeezes out is relatively short.
Summary of the invention
First technical purpose of the application is, overcomes above-mentioned technical problem, so that a kind of floor co-extrusion SPC is provided,
It all has relatively good stability in width, length direction, can Fast Installation, lock does not occur in use process and is detached from
Sealed problem, and there is relatively long service life.Second technical purpose of the application is, provides for producing
The production equipment on this kind of floor co-extrusion SPC.
To realize that above-mentioned first technical purpose, one embodiment of the invention provide a kind of floor co-extrusion SPC, until
It less include substrate layer, the decorative layer being overlying on the substrate layer, the substrate layer successively includes passing through co-extrusion shape from top to bottom
At elastic layer, enhancement layer, correction layer, the elastic layer, the enhancement layer, the correction layer three the ratio between thickness be 1:
(3.0 ~ 3.5): 1.
By above structure, by the way that substrate layer is set as including the different elastic layer of hardness, enhancement layer and correction layer, and
This three layers are formed by co-extrusion, thus, elastic layer has relatively good stability, and can adapt to, limits the ruler of enhancement layer
Very little variation；Enhancement layer has relatively large intensity, to meet the requirement of the mechanical strength on the floor SPC；Layer of rectifying a deviation is used for and bullet
Property layer match, formed symmetrical structure, another side adapt to, limitation enhancement layer change in size.Further, in this Shen
In technical solution please, using relatively thick enhancement layer, relatively better stability, mechanical strength can be obtained；Particularly,
The thickness proportion of three is 1:(3.0 ~ 3.5): it is mutual when can reach stability between three layers, deform to lead when 1
It pulls to reach and relatively balance, avoid the bending deformation that length direction occurs in storage for a long time or use, guarantee the floor SPC for a long time
Straightened condition.The floor co-extrusion SPC of the application all has relatively good stability in width, length direction as a result, can
Lock does not occur in use process and is detached from sealed problem for Fast Installation；On the other hand, it is set by elastic layer and correction layer
It sets, so as to obtain relatively long service life.
As a further preference, the ratio between the elastic layer, the enhancement layer, hardness of the correction layer three are 1:
(1.15 ~ 1.20): 1.
As a further preference, this kind of floor co-extrusion SPC further includes mute layer, and the mute layer is PVC material layer, and
The mute layer and the substrate layer are bonded by co-extrusion.
To realize that above-mentioned second technical purpose, second embodiment of the invention provide a kind of for producing this kind altogether
Squeeze the floor SPC production equipment, include at least the first extrusion device, the second extrusion device, distributor, T-type material extrusion head, described point
Orchestration include with the B of the first extrusion device connection material channel, with the material channel the first A of the second extrusion device connection and
2nd A expect channel, converge material channel, the distributor further include with the first A material channel connection the first A material drop down material chamber,
Material chamber is dropped down with the 2nd A material of the 2nd A material channel connection, the first A material drops down material chamber and the 2nd A material drops down material chamber
Room is converged into preformed channels, and the preformed channels are around the channel setting of B material.The floor the SPC production of the prior art is set
It is standby, by T-type material extrusion coextrusion head formed three-decker, each layer it is in uneven thickness, occur elastic layer, correction layer in centre
Thickness, both sides are thin, or in intermediate thin, the problem of both sides thickness.To which there are still the warpages after long-time storage on the floor SPC obtained
The problem of deformation.Particularly, the three-layer co-extruded floor SPC production equipment in the prior art is chiefly used in the thickness of three layers of production
The product being relatively close to, in general, the elastic layer of the substrate layer on the floor SPC obtained, enhancement layer, the layer three that rectify a deviation thickness
Than in 1:(1.5 ~ 2): in the range of 1.It has both stability and the flexible floor SPC in order to obtain and is able to maintain flat
State, should make elastic layer, enhancement layer, rectify a deviation layer three thickness ratio in 1:(3.0 ~ 3.5): in the range of 1, use the prior art
In the three-layer co-extruded floor SPC production equipment when producing the co-extrusion floor SPC of the application, the problem of each layer uneven thickness more
Seriously.
In this application, by above structure, A material drops down material chamber from the first A material respectively, the 2nd A material drops down material chamber flow direction
Preformed channels, make A material with B material converge before, can in preformed channels, it is pre- in the top of the blank around enhancement layer
It is initially formed the blank of elastic layer, and is pre-formed the blank of correction layer below the blank around enhancement layer, is finally expected in remittance
Converge in channel, formed the blank of elastic layer of top, the blank of the correction layer of lower section around enhancement layer blank.As a result, when
Converge it is compound after the blank of elastic layer, after the blank of enhancement layer, the blank for layer of rectifying a deviation be extruded in T-type material extrusion head, elasticity
Layer, enhancement layer, rectify a deviation layer thickness be uniform everywhere in length and width direction.So as to more efficiently keep away
The problem of exempting from the buckling deformation after storing for a long time.
As a further preference, the material channel B is flared section, the expansion by the circular paragraph of the preformed channels
The slope of the inner wall of mouth section is 0.13 ~ 0.25, and the material channel the B is converged in the end of the flared section and the preformed channels
Flow into the busway.
In the structure of some rectangle busways in the prior art, usually auxiliary material channel is gradually collapsed, finally with
Major ingredient channel confluence is compound.The complex method however, this kind converges, three layers of co-extrusion formation, the thickness of each layer will appear such as preceding institute
The non-uniform situation stated.On the contrary, in the technical scheme, coexisted using by the parallel with preformed channels of B material channel
Paragraph is designed to flared section, and the bore in channel is expected by progressively expanding B, finally converges with preformed channels compound, thus
The appearance of the situation in uneven thickness of each layer for the three-decker that can more efficiently avoid co-extrusion from being formed makes each layer of knot
The thickness of structure everywhere is equal.
As a further preference, the material channel B is flared section, the expansion by the circular paragraph of the preformed channels
The slope of the inner wall of the upper and lower part of mouthful section is 0.13 ~ 0.25, the slope of the inner wall of the two sides of the flared section is 0.05 ~
0.08, the inner wall of the flared section natural transition between top, lower part, two sides, thus the runner of the busway two sides
Wall is on cross section between the side wall of the flared section and the inner sidewall of the preformed channels.
As a further preference, multiple spacers are provided in the preformed channels, multiple spacers are by institute
The runner for stating preformed channels is divided into the subchannel of corresponding number.
As a further preference, the radial extended line of multiple spacers is by the axle center in B material channel.
The two sides that the first A material drops down material chamber as a further preference each extend over to form the first A of a pair material shunting
Channel, the two sides that the 2nd A material drops down material chamber each extend over to form the 2nd A of a pair material split channel；The first A material shunts
Channel, the 2nd A material split channel are intersected in distributing and converging platform；The spacer has in the inlet of the preformed channels
It is jagged, multiple subchannels in the mutual connection of the indentation, there, and with the distributing and converging platform connection.
In the prior art, the auxiliary material of various forms of distributors, which drops down, expects that (the first A material for being equivalent to the application drops down material chamber to chamber
Room, the 2nd A material drop down material chamber) it is all made of the structure of rectangle, therefore, drops down at the right angle corner for expecting chamber and be easy in the auxiliary material of rectangle
Form auxiliary material accumulation.In technical scheme, by the way that the first A material is dropped down material chamber, the 2nd A material drops down material chamber design for shellfish
It is shelly-shaped, so as to more efficiently avoid the problem of A material heap product.At the same time, the first A material is flowed into from the first A material channel to drop down
The A material for expecting chamber expects that the A for dropping down material chamber expects with the 2nd A is flowed into from the 2nd A material channel, does not directly drop down material chamber from the first A material
Material chamber is dropped down with the 2nd A material to flow into preformed channels, but is shunted to two sides, and the first A for separately flowing into two sides expects to shunt logical
Road, the 2nd A expect split channel, and the first A material split channel converges with bottom-up the 2nd A material split channel from up to down,
Then, from the opening (distributing and converging platform) of the two sides of preformed channels, then led to by the son formed by the notch on spacer
The entrance in road, the blank for being upwardly formed the blank of elastic layer respectively from two sides again, being formed down correction layer.Herein, each son is logical
The entrance in road is to be formed by the notch on spacer, and A material flows to each subchannel from relatively small notch, can be guaranteed same
In period, the flow of the A material in each subchannel is relatively the same.To further avoid A material from dropping down material chamber in the first A material
Or the 2nd A material drop down the problem of forming accumulation in material chamber, and can more efficiently promote to be formed elastic layer in homogeneous thickness, increasing
Strong layer, correction layer.
As a further preference, the first A material drops down material chamber in conchoidal, and going out from the first A material channel
To the preformed channels side in flared at mouthful；The 2nd A material drops down material chamber in conchoidal, and expects from the 2nd A
The exit in channel is to the preformed channels side in flared；The first A material drops down material chamber, the 2nd A material drops down material
By the mutual connection of sub-material land between chamber, and with the preformed channels connection.
As a further preference, the distributor includes the first to the 5th assembling block, and the material channel the B is through described the
One to the 5th assembling block setting, the first A material channel, the material channel the 2nd A are by the first assembling block, second group described
Dress block assembles to be formed, and the first A material split channel, the 2nd A material split channel are opened on the third assembling block, institute
It states the first A material and drops down and expect that chamber, the 2nd A material drop down material chamber and assembled and formed by the second assembling block, third assembling block,
The preformed channels are formed on the third assembling block, and the busway is through the 4th assembling block, the 5th assembling
Block setting.
As a further preference, the distributor further includes C material channel, the half C material being arranged around the busway
Preformed channels, the material channel C and the C expect preformed channels connection, and the C material preformed channels are in closing, and
Its closing in end and the busway connection are converged.
In this application, elastic layer, enhancement layer, correction distributor of the layer by technical scheme, can be by thickness
Uniformly from the extrusion in T-type material extrusion head, so that overcoming distributor is only capable of the technical barrier that co-extrusion forms three-decker.C material is used
In forming mute layer, it is formed together by co-extrusion and elastic layer, enhancement layer, correction layer, so as to more efficiently grow
Phase avoids mute layer and correction layer removing after；At the same time, mute layer, decorative layer and/or wearing layer are equal in the prior art
It is attached on the upper and lower surfaces of substrate layer by three rollers or four-roll calender hot pressing, per more associated layers, then flattener needs
More setting a pair prolong pressure roller, therefore, when mute layer is formed by co-extrusion, can significantly reduce the floor SPC production equipment
Occupied space.
According to the floor co-extrusion SPC of the application, by the way that substrate layer is set as including the different elastic layer of hardness, enhancing
Once with correction layer, and this three layers are formed by co-extrusion, thus, elastic layer has relatively good stability, and can adapt to, limits
The change in size of enhancement layer processed；Enhancement layer has relatively large intensity, to meet the requirement of the mechanical strength on the floor SPC；It entangles
Inclined layer forms symmetrical structure, adapts to, limits the change in size of enhancement layer in another side for matching with elastic layer.By
This, the floor co-extrusion SPC of the application all has relatively good stable type in width, length direction, can Fast Installation, use
Lock does not occur in the process and is detached from sealed problem；On the other hand, by the setting of elastic layer and correction layer, so as to obtain
Obtain relatively long service life.
According to the production equipment on the floor co-extrusion SPC of the application, material chamber, second are dropped down from the first A material respectively by A material
A material drops down material chamber and flows to preformed channels, makes A material before converging with B material, can be in preformed channels around enhancement layer
Blank above be pre-formed the blank of elastic layer, the young bird of correction layer is pre-formed below the blank around enhancement layer
Shape is finally converged in remittance material channel, forms the blank of the elastic layer of top, the blank of the correction layer of lower section around enhancement layer
Blank.The blank, the blank of enhancement layer of elastic layer after converging compound, the blank for layer of rectifying a deviation quilt in T-type material extrusion head as a result,
After extrusion, elastic layer, enhancement layer, rectify a deviation layer thickness be uniform everywhere in length and width direction.So as to
More efficiently avoid the problem that the buckling deformation after storing for a long time.
In conclusion the floor co-extrusion SPC of the application at least have stability it is good, it is with long service life a little, the application
The floor co-extrusion SPC production equipment at least have the advantages that three layers or each layer of four-layer structure squeeze out it is in homogeneous thickness.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, the schematic reality of the application
Example and its explanation are applied for explaining the application, is not constituted an undue limitation on the present application.
Fig. 1 is a kind of structural schematic diagram on the floor co-extrusion SPC of the embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of the floor the co-extrusion SPC production equipment of the embodiment of the present invention；
Fig. 3 is a kind of perspective view of the explosion of the distributor of the embodiment of the present invention；
Fig. 4 is that the third of the embodiment of the present invention assembles a kind of structural schematic diagram of block；
Fig. 5 is that the third of the embodiment of the present invention assembles a kind of cross-sectional view of block；
Fig. 6 a is the schematic elevation view of the preformed channels entrance of the embodiment of the present invention；
Fig. 6 b is the schematic elevation view that the preformed channels of the embodiment of the present invention export；
Fig. 7 is that the third group of the embodiment of the present invention assembles another structural schematic diagram of block；
Fig. 8 is a kind of structural schematic diagram of the first assembling block of the embodiment of the present invention；
Fig. 9 is a kind of structural schematic diagram of the second assembling block of the embodiment of the present invention；
Figure 10 is another structural schematic diagram of the 4th assembling block of the embodiment of the present invention；
Figure 11 is the structural schematic diagram for three layers of substrate layer that the prior art one squeezes out；
Figure 12 is a kind of schematic diagram of the distributor of the prior art；
Figure 13 is the structural schematic diagram for three layers of substrate layer that the prior art two squeezes out；
Figure 14 is the structural schematic diagram of the substrate layer of the extrusion of the embodiment of the present invention；
In attached drawing:
100- substrate layer, 200- decorative layer, 300- mute layer, 110- elastic layer, 120- enhancement layer, 130- correction layer；
The first extrusion device of 400-, the second extrusion device of 500-, 600- distributor, 700-T type material extrusion head, 610-B expect channel,
The first A of 621- expects channel, and the 2nd A of 622- expects channel, and the first A of 631- material drops down material chamber, and the 2nd A of 632- material drops down material chamber, 633-
First A material split channel, the 2nd A of 634- material split channel, 635- distributing and converging platform, 640- preformed channels, 641- spacer,
642- subchannel, 643- notch, 650-, which converges, expects channel, and 661- first assembles block, and 662- second assembles block, the assembling of 663- third
Block, 664- the 4th assemble block, and 665- the 5th assembles block, and 670-C expects channel, and 680-C expects preformed channels.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment: the floor co-extrusion SPC shown in FIG. 1 is referred to, including substrate layer 100, the decoration being overlying on substrate layer 100
Layer 200, which is characterized in that substrate layer 100 successively include from top to bottom by co-extrusion formed elastic layer 110, enhancement layer 120,
Correction layer 130, the ratio between elastic layer 110, enhancement layer 120, the thickness for 130 three of layer that rectify a deviation are 1:(3.0 ~ 3.5): 1.For example, working as
The overall thickness of substrate layer 100 be 4mm when, elastic layer 110, enhancement layer 120, rectify a deviation layer 130 thickness be respectively 0.75mm,
2.5mm,0.75mm.The ratio between elastic layer 110, enhancement layer 120, the hardness for 130 three of layer that rectify a deviation are 1:(1.15 ~ 1.20): 1.
By above structure, by the way that substrate layer 100 is set as including the different elastic layer 110 of hardness, 120 and of enhancement layer
Correction layer 130, and this three layers are formed by co-extrusion, thus, elastic layer 110 has relatively good stability, and can adapt to,
Limit the change in size of enhancement layer 120；Enhancement layer 120 has relatively large intensity, to meet the mechanical strength on SPC floor
It is required that；Correction layer 130 forms symmetrical structure, adaptation, limitation enhancement layer in another side for matching with elastic layer 110
120 change in size.The floor co-extrusion SPC of the application all has relatively good stable type in width, length direction as a result,
Can Fast Installation, lock does not occur in use process and is detached from sealed problem；On the other hand, by elastic layer 110 and entangling
The setting of inclined layer 130, so as to obtain relatively long service life.
It is mute in the mute layer 300 that some other floor this kind of co-extrusion SPC can also include under substrate layer 100
Layer 300 is PVC material layer, and mute layer 300 and substrate layer 100 are bonded by co-extrusion.
With reference to shown in Fig. 2 a kind of for producing this kind of floor co-extrusion SPC production equipment, including the first extrusion device 400,
Second extrusion device 500, distributor 600, T-type material extrusion head 700.Wherein, the first extrusion device 400, the second extrusion device 500, T
Type material extrusion head 700 can be using any one structure in the prior art.
In the present embodiment, refering to what is shown in Fig. 3, distributor 600 includes expecting channel with the B of 400 connection of the first extrusion device
610, channel 621 is expected with the material channel 621 the first A of 500 connection of the second extrusion device and the 2nd A material channel 622, with the first A
Logical the first A material drops down material chamber 631, expects that the 2nd A material of 622 connection of channel drops down material chamber 632, preformed channels with the 2nd A
640 and converge material channel 650, the first A material drop down material chamber 631 and the 2nd A material drop down material chamber 632 converge into preformed channels
640, preformed channels 640 are arranged around B material channel 610.Wherein, A material is used to form elastic layer 110 and correction layer 130, B material
It is used to form enhancement layer 120.
The floor the SPC production equipment of the prior art, the distributor used include two kinds of forms, and the prior art one is in reference
A kind of novel multi-layer coextrusion distributor disclosed in state patent CN106827454B, in conjunction with the patent specification attached drawing 2 and Fig. 3,
Its major ingredient channel (the B material channel 610 for being equivalent to the application), auxiliary material channel (the A material channel 621,622 for being equivalent to the application) with
And busway (the remittance material channel 650 for being equivalent to the application) is rectangular configuration, and auxiliary material channel is directly converged into major ingredient
Channel, and it has been pre-formed wide elastic layer 110 ', enhancement layer 120 ', correction layer 130 ', due to the thickness of its enhancement layer 120 '
Degree is significantly greater than elastic layer 110 ', correction layer 130 ', and therefore, the situation being coextruded in T-type material extrusion head refers to Figure 11 institute
Show.Another form of distributor, with reference to shown in Figure 12, the distributor 600 ' of the prior art two ' and the first distributor 600 '
Principle it is similar, auxiliary material channel is directly converged into major ingredient channel, and difference is, be pre-formed upper and lower uniform thickness, left and right be semicircle
The elastic layer 110 ' of the enhancement layer 120 ' of shape ', and form in top half around enhancement layer 120 ' ' ', in lower half portion ring
Around enhancement layer 120 ' ' correction layer 130 ' ', the situation being coextruded in T-type material extrusion head is with reference to shown in Figure 13.Therefore, no matter
It is situation shown in situation or Figure 13 shown in Figure 11, can causes two problems: first, forms bigger width on both sides
The volume recovery of unusable material, width direction is low, causes the waste of material；Second, after cutting the unusable material except both sides, base
In two rim portions of material layer 100 ', 100 ' ', elastic layer 110 ', 110 ' ', rectify a deviation layer 130 ', 130 ' ' thickness be still greater than
Or the thickness less than width middle section.To cause the problem of more serious bending deformation occurs later for a period of time.
In this application, by above structure, A material is respectively from the first A material drops down material chamber 631, the 2nd A material drops down material chamber
632 flow to preformed channels 640, make A material before converging with B material, and A material can surround in advance in preformed channels 640
The top of the blank of enhancement layer 120 forms the blank of elastic layer 110, is formed in advance in the lower section of the blank around enhancement layer 120
The blank of correction layer 130 is finally converged in remittance material channel 650, forms the correction of the blank, lower section of the elastic layer 110 of top
Form of the blank of layer 130 around the blank of enhancement layer 120.The blank of elastic layer 110 after converging compound, enhancing as a result,
After the blank of layer 120, the blank for layer 130 of rectifying a deviation are extruded in T-type material extrusion head, elastic layer 110, enhancement layer 120, correction layer
130 thickness length be relatively uniform consistent everywhere in width direction.To which the SPC of distributor of the invention be utilized
Floor production equipment, shown in structural reference Figure 14 eventually by the substrate layer 100 of the extrusion of T shape material extrusion head 700.Figure 11, Figure 13,
Dotted line in Figure 14 is the cutting line of the cutting means after T shape material extrusion head 700, it can be seen that, even if the prior art one, existing
Technology two cuts away relatively large number of rim charge, it is also difficult to reach each layer effect in homogeneous thickness in three layers.Further, this is utilized
The substrate layer 100 on kind SPC production equipment basis can more efficiently avoid the problem that the buckling deformation after storing for a long time.
In conjunction with shown in Fig. 4, Fig. 5, it is flared section 611, flared section that B material channel 610, which is preformed the circular paragraph in channel 640,
The slope of 611 inner wall is 0.13 ~ 0.25, and the material channel 610 B end and the preformed channels 640 of flared section 611 converge into
Busway 650.Wherein, the slope of the inner wall of flared section 611 refers to the ratio of the increase of its radius and the length of flared section 611
Value.
In the structure of some rectangle busways in the prior art, usually auxiliary material channel is gradually collapsed, finally with
Major ingredient channel confluence is compound.A kind of novel multi-layer coextrusion distributor with reference to disclosed in Chinese patent CN106827454B, in conjunction with this
Patent specification attached drawing 2 and Fig. 3.This kind confluence complex method, three layers of co-extrusion formation, the thickness of each layer will appear such as preceding institute
The non-uniform situation stated.On the contrary, in the technical scheme, it is parallel with preformed channels 640 in channel 610 using B is expected
The paragraph coexisted is designed to flared section 611, by keeping the runner bore of preformed channels 640 is constant, expands B to expect channel
610 runner bore finally converges with preformed channels 640 compound, can more efficiently avoid three layers that co-extrusion is formed, respectively
The appearance of the situation in uneven thickness of layer.
With reference to shown in Fig. 6 a and 6b, embodiment as one preferred, it is circular that B material channel 610 is preformed channel 640
Paragraph is flared section 611, and the slope of the inner wall of the upper and lower part of flared section 611 is 0.13 ~ 0.25, the two sides of flared section 611
Inner wall slope be 0.05 ~ 0.08, the inner wall of flared section 611 between top, lower part, two sides for circular arc nature transition,
So that the flow path wall of 650 two sides of busway (i.e. outlet shapes of preformed channels 640) from cross section is located at flared section
Between the inner sidewall of the inlet of the side wall and preformed channels 640 of 611 inlet.
Embodiment as one preferred, preformed channels 640 are interior to be provided with multiple spacer 641(such as 6 by welding
It is a), the runner of preformed channels 640 is divided into the subchannel 642 of corresponding number by multiple spacers 641.Multiple spacers 641
Radial extended line pass through B material channel 610 axle center.
Review Fig. 4, the first A material drops down material chamber 631 in conchoidal, and from the exit in the first A material channel 621 to preforming
640 side of channel is in flared, and the two sides that the first A material drops down material chamber 631 each extend over to form the first A of a pair material split channel
633；2nd A material drops down material chamber 632 in conchoidal, and from the exit in the 2nd A material channel 622 to 640 side of preformed channels
In flared, the two sides that the 2nd A material drops down material chamber 632 each extend over to form the 2nd A of a pair material split channel 634；First A material point
Circulation road 633, the 2nd A material split channel 634 are intersected in distributing and converging platform 635；Spacer 641 enters preformed channels 640
Mouthful place is with notch 643, multiple subchannels 642 mutual connection at notch 643, and with 635 connection of distributing and converging platform.
The distributor of the prior art is in addition to the problem of three Layer assignments unevenness, and there is also thickeners, the problem of A material heap product.Specifically
For, thickener refer to work for a period of time after can not full wafer discharging situation；A material heap product refers to that A material is deposited in distributor,
Lead to the deterioration for distributing uneven problem.Every time because of thickener or A material heap product, require to devote a tremendous amount of time clear with energy progress
It removes, accumulation auxiliary material cooling from equipment is removed, equipment is reset, is taken around 5 hours to heating again.It is real for a long time by inventor
It tramples, the study found that in the prior art, the auxiliary material of various forms of distributors drops down material chamber, and (the first A material for being equivalent to the application drops down
Material chamber 631, the 2nd A material drop down material chamber 632) it is all made of the structure of rectangle, therefore, the right angle of material chamber is dropped down in the A material of rectangle
Corner's auxiliary material accumulation easy to form.The problem of thickener, be essentially due to A material accumulation and caused by.
In technical scheme, by the way that the first A material is dropped down material chamber 631, the 2nd A material drops down material chamber 632 and is designed as
Half conchoidal, so as to more efficiently avoid the problem of A material heap product.At the same time, the is flowed into from the first A material channel 621
One A material drops down the A material of material chamber 631, expects with the A for dropping down material chamber 632 from the 2nd A material inflow of channel 622 the 2nd A material, not directly
Material chamber 631 is dropped down from the first A material and the 2nd A material drops down material chamber 632 and flows into preformed channels, but is shunted to two sides, respectively
The first A material split channel 633, the 2nd A for flowing into two sides expect split channel 634, and the first A material split channel 633 is from up to down
Converge with bottom-up the 2nd A material split channel 634, then from the opening of the two sides of preformed channels 640 --- it shunts and converges
It flows platform 635 and bullet is upwardly formed from two sides again by the entrance of the subchannel formed by the notch 643 on spacer 641 respectively
Property layer 110 blank, be formed down correction layer 130 blank.To further avoid A material from dropping down material chamber in the first A material
631 or the 2nd A material drop down the problem of forming accumulation in material chamber 632, and more efficiently can promote to form bullet in homogeneous thickness
Property layer 110, enhancement layer 120, correction layer 130.
Certainly, in some other embodiment, refering to what is shown in Fig. 6, the first A material drops down material chamber 631 in conchoidal, and from
The exit in the first A material channel 621 is to 640 side of preformed channels in flared；It is in conchoidal that 2nd A material, which drops down material chamber 632,
And from the exit in the 2nd A material channel 622 to 640 side of preformed channels in flared；First A material drops down material chamber 631, second
A material drops down between material chamber 632 through the mutual connection of sub-material land, and with 640 connection of preformed channels.
Particularly, it reviews Fig. 3 and combines Fig. 4, Fig. 7, Fig. 8, distributor 600 can be overall structure, but in quick
The considerations of maintenance, it is preferable that be split type structure, by it is axially aligned, assembling first to the 5th assembling block 661,662,
663,664,665 compositions, first to the 5th assembles block 661, passes through between 662,663,664,665 in the prior art any one
Kind mounting means (such as pin joint) cooperation is fixed to each other.B expects that channel 610 assembles block 661,662,663 through first to the 5th,
664,665 settings, B expect that the feeding inlet in channel 610 is rounded；And it in the first assembling block 661, gradually extends, thus the
Two, which assemble 662 kinds of block, which forms nearly ellipse, (has a pair of straight roof and lower wall, symmetrically arranged circular arc being parallel to each other
Side wall) flow channel shape；Flared section 611 is formed in third assembling block 663, and is converged in the end of flared section 611 into remittance material
In channel 650.
From same entrance bifurcated forms the first A material channel 621, the 2nd A expects channel 622, the first A expects channel 621, the 2nd A
Material channel 622 assembles the assembling of block 662 by the first assembling block 661, second and is formed, i.e., assembles respectively in the first assembling block 661, second
It loads onto for 662 groups of block and offers half slot, after the first assembling block 661, second, which assembles block 662, merges assembling, form the of pipeline shape
One A expects that channel 622 is expected in channel 621, the 2nd A.The considerations of for equipment arrangement, the first A expect that channel 622 is expected in channel 621, the 2nd A
Same entrance be opened in and the entrance in B material channel 610 opens up on the perpendicular face in face, therefore, the first A expect channel 621,
The flow direction in the 2nd A material channel 622 turns in the second assembling block 662, and parallel with the material channel 610 B, assembles entering third
When block 663, separately flows into first and drop down and expect that chamber 631 and second drops down material chamber 632.First A material drops down material chamber 631, the 2nd A material drops down
Material chamber 632, the first A material split channel 633, the 2nd A material split channel 634 are opened in the second assembling block 662 and third assembling
On block 663, it is assembled to form by the two.
Preformed channels 640 be formed in third assembling block 663 on, can through third assemble block 663, by with second group
It fills the cooperation of block 662 and closes one end, can also be arranged with one end through third assembling block 663.640 1 end seal of preformed channels
It closes, one end is converged into remittance material channel 650, and A material, which is only dropped down by first, expects that chamber 631, second drop down the distributing and converging platform of material chamber 632
635 flow in preformed channels 640.Preformed channels 640 are arranged on third assembling block 663 around B material channel 610.
Busway 650 through the 4th assembling block the 664, the 5th assemble block 665 be arranged, and the 5th assembling block 665 on by
It tapers, forms round exit, in order to be assembled with T shape material extrusion head 700.
Several (such as 4) are offered through the first to the 5th assembling block 661,662,663,664,665 on distributor 600
The insertion groove of electrothermal tube, for electrothermal tube to be inserted, to keep the temperature in distributor 600.
It is preferably carried out mode as one kind, the distributor 600 of the application further includes C material channel 670, partly surround to converge and lead to
The C that road 650 is arranged expects that preformed channels 680, C material channel 670, C material preformed channels 680 are arranged on the 4th assembling block.C
Material is preferably PCV material for extrusion molding mute layer simultaneously, C material.Refering to what is shown in Fig. 9, the material channel 670 C and C material are preforming logical
680 connection of road, C expects that preformed channels 680 are in closing, and converges in its closing in end and 650 connection of busway.
In the prior art, such as a kind of novel multi-layer coextrusion distributor disclosed in Chinese patent CN106827454B,
It claims to be extruded into hyaline layer (being equivalent to wearing layer) by outer layer runner on the surface of three-decker.However, due to it
Distributor built-in problem, so as to cause uneven thickness between each layer of three-decker of extrusion, therefore, outer layer runner is squeezed
Hyaline layer out can not be covered in the width two sides of the substrate of three-decker.
It reviews in the application, elastic layer 110, enhancement layer 120, correction distributor of the layer 130 by technical scheme
600, three layers can be formed to overcome distributor 600 and be only capable of co-extrusion by thickness uniformly from the extrusion in T-type material extrusion head 700
The technical barrier of structure.C material is used to form mute layer 140, passes through co-extrusion and elastic layer 110, enhancement layer 120, correction layer
130 are formed together, so as to avoid after being more efficiently used for a long time mute layer 140 and correction layer 130 from removing.It is same with this
When, mute layer 140, decorative layer and/or wearing layer pass through three rollers in the prior art or four-roll calender hot pressing is attached to substrate
On the upper and lower surfaces of layer, per more associated layers, then flattener needs more setting a pair to prolong pressure roller, therefore, when mute layer 140
When being formed by co-extrusion, it can significantly reduce the occupied space of the floor SPC production equipment.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. the floor co-extrusion SPC includes at least substrate layer (100), the decorative layer (200) being overlying on the substrate layer (100),
It is characterized in that, the substrate layer (100) successively includes elastic layer (110), the enhancement layer formed by co-extrusion from top to bottom
(120), rectify a deviation layer (130), the elastic layer (110), the enhancement layer (120), it is described correction layer (130) three thickness it
Than for 1:(3.0 ~ 3.5): 1.
2. the floor co-extrusion SPC according to claim 1, which is characterized in that the elastic layer (110), the enhancement layer
(120), the ratio between the hardness of described correction layer (130) three is 1:(1.15 ~ 1.20): 1.
3. the floor co-extrusion SPC according to claim 1, which is characterized in that this kind of floor co-extrusion SPC further includes mute layer
(300), the mute layer (300) is PVC material layer, and the mute layer (300) and the substrate layer (100) are viscous by co-extrusion
Knot.
4. for producing the floor co-extrusion SPC production equipment described in claim 1, which is characterized in that include at least first and squeeze out
Device (400), the second extrusion device (500), distributor (600), T-type material extrusion head (700), the distributor (600) include with
B material channel (610) of first extrusion device (400) connection, the first A material with the second extrusion device (500) connection
Channel (621) and the 2nd A material channel (622), material channel (650) that converges, the distributor (600) further include expecting with the first A
The first A material of channel (621) connection drops down material chamber (631), expects that the 2nd A material of channel (622) connection drops down material chamber with the 2nd A
Room (632), the first A material drops down material chamber (631) and the 2nd A material drops down material chamber (632) and converges into preformed channels
(640), the preformed channels (640) are around B material channel (610) setting.
5. the floor co-extrusion SPC according to claim 4 production equipment, which is characterized in that B material channel (610) is by institute
Stating the circular paragraph of preformed channels (640) is flared section (611), the slope of the inner wall of the flared section (611) is 0.13 ~
0.25, and B material channel (610) converges in the end of the flared section (611) and the preformed channels (640) into described
Busway (650).
6. the floor co-extrusion SPC according to claim 4 production equipment, which is characterized in that in the preformed channels (640)
It is provided with multiple spacers (641), the runner of the preformed channels (640) is divided into pair by multiple spacers (641)
Answer the subchannel (642) of number.
7. the floor co-extrusion SPC according to claim 6 production equipment, which is characterized in that multiple spacers (641)
Radial extended line is by the axle center of B material channel (610).
8. the floor co-extrusion SPC according to claim 6 production equipment, which is characterized in that the first A material drops down material chamber
(631) two sides each extend over to form the first A of a pair material split channel (633), and the 2nd A material drops down the two of material chamber (632)
Side each extends over to form the 2nd A of a pair material split channel (634)；First A material split channel (633), the 2nd A material point
Circulation road (634) is intersected in distributing and converging platform (635)；Inlet of the spacer (641) in the preformed channels (640)
With notch (643), the multiple subchannel (642) mutual connection at the notch (643), and with the distributing and converging platform
(635) connection.
9. the floor co-extrusion SPC according to claim 4 production equipment, which is characterized in that the distributor (600) includes the
One to the 5th assembling block (661,662,663,664,665), B material channel (610) is through the described first to the 5th assembling block
(661,662,663,664,665) it is arranged, the first A material channel (621), the 2nd A material channel (622) are by described first
Block (661), the second assembling block (662) assembling formation are assembled, the first A material drops down material chamber (631), the 2nd A material
It drops down material chamber (632) to be formed by second assembling block (662) and third assembling block (663) assembling, the first A material point
Circulation road (633), the 2nd A material split channel (634) are opened on third assembling block (663), described preforming logical
Road (640) is formed in third assembling block (663), the busway (650) through the 4th assembling block (664),
5th assembling block (665) setting.
10. the floor co-extrusion SPC according to claim 4 production equipment, which is characterized in that the distributor (600) is also wrapped
C material channel (670), half C material preformed channels (680) being arranged around the busway (650) are included, the C expects channel
(670) preformed channels (680) connection is expected with the C, C material preformed channels (680) is in closing, and at its end of closing up
Converge with the busway (650) connection at end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910772608.9A CN110424674A (en) | 2019-08-21 | 2019-08-21 | The floor co-extrusion SPC and its production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772608.9A CN110424674A (en) | 2019-08-21 | 2019-08-21 | The floor co-extrusion SPC and its production equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114102962A (en) * | 2021-11-16 | 2022-03-01 | 宜兴留森模具制造有限公司 | SPC in-mold composite co-extrusion foaming floor mold |
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Inventor after: Ding Jiafei Inventor after: Rong Tingjing Inventor before: Ding Jiafei Inventor before: Xu Liang Liang |