CN207290607U - A kind of PVC stones molding base internal porosity generating means - Google Patents
A kind of PVC stones molding base internal porosity generating means Download PDFInfo
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- CN207290607U CN207290607U CN201721310834.8U CN201721310834U CN207290607U CN 207290607 U CN207290607 U CN 207290607U CN 201721310834 U CN201721310834 U CN 201721310834U CN 207290607 U CN207290607 U CN 207290607U
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- stomata
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- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 238000003860 storage Methods 0.000 claims description 25
- 230000008676 import Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000004033 plastic Substances 0.000 abstract description 11
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- 239000007788 liquid Substances 0.000 description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000011148 porous material Substances 0.000 description 11
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- 238000002360 preparation method Methods 0.000 description 3
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- -1 Polyethylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
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Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of PVC stones molding base internal porosity generating means, belong to PVC stone plastic floor production equipment fields.The utility model includes stomata generating mechanism；Stomata generating mechanism includes stomata generating mechanism body, which is a cylindrical channel；Stomata generating mechanism along its length on be provided with some groups of snorkels, circumferential equidistantly distributed of all snorkels along stomata generating mechanism on every group of snorkel, and same group of snorkel its be inserted into the end of all snorkels in stomata generating mechanism on the same concentric circles centered on stomata generating mechanism central axes.The purpose of the utility model is to overcome the higher deficiency of the manufacturing cost using existing PVC stones molding base, it effectively reduces the usage amount of raw material so that the manufacturing cost of PVC stone molding bases is greatly reduced, and improves the market competitiveness of PVC stone plastic floors.
Description
Technical field
PVC stone plastic floor production equipments are the utility model is related to, inside a kind of PVC stones molding base
Stomata generating means.
Background technology
With social development, various floor decorative materials and decorative product continuously emerge.Everybody has more familiar product：Porcelain
Brick, flooring laminate, solid wooden floor board, compoiste wood floor etc., its application range are related to the every aspect of our lives.
Wherein, ceramic tile wearability is good, waterproof, moisture-proof, anticorrosion, also has certain pressure-resistant performance, quality is hard, selection
Convenient, service life length, is widely portable to various indoor environments, deep to be liked by consumers in general, the scope used
It is most extensive.Flooring laminate, is laid with simple, scouring conveniently, light-weight, small, using flexible, can cut randomly, ring as needed
Border is adaptable.And solid wooden floor board or compoiste wood floor, due to based on wooden structure, elastic good, comfortable foot feeling, nontoxic nothing
Taste, is the ornament materials of bedroom earth's surface first choice using more satisfactory in room.
Although above-mentioned decorative product advantages, have his own strong points, each also there is shortcoming.Ceramic tile since hardness is high,
Smooth surface, after splashing water, is more easy to make one to slip, particularly hazardous for the elderly.In recent years, its use scope has been subject to one
It is fixing to ring.Flooring laminate, intensity is low, toughness is big, easy to produce static electricity, in the case where long-time extrudes, can form gauffer or deformation, meanwhile,
Also easy to aging, fracture, is unfavorable for long-time service.Solid wooden floor board or compoiste wood floor are unfavorable for ring, it is necessary to using substantial amounts of timber
Protect, floor surface poor impact resistance, it is impossible to which good waterproof, moisture-proof, anticorrosion, operational maintenance workload is larger, later maintenance
It is higher with use cost.
For the above situation, people start to research and develop some new substitute products, such as stone plastic floor, stone plastic floor are also known as it
Floor tile is moulded for stone, regular title is " PVC sheet floor ", is a kind of high-quality, high-tech new terrestrial ornament materials, adopts
With natural marble powder form high density, high microsteping net structure solid base, surface coated with superpower wear-resistant macromolecule
PVC wearing layers, are process through procedures up to a hundred.Product lines beauty true to nature, superpower wear-resistant, surface-brightening can be rated as without cunning
The model of 21st century high-tech new material.
Existing PVC stone plastic floors are mainly formed by decorative layer, PVC stones molding base and balance layer hot pressing, it is main
Part is PVC stone molding bases, and therefore, the prime cost of PVC stone plastic floors is the preparation of PVC stone molding bases.Existing skill
The technology prepared in art on PVC stones molding base has a large amount of related patents and discloses, such as patent publication No.：CN
101306927A, publication date：On November 19th, 2008, invention and created name are：PVC stones molding base and its application, this application
A kind of PVC stones molding base is disclosed, is mainly mixed by following composition according to mass percentage：Stone powder：65~90%,
Polyethylene (PVC)：10~25%, adhesive：3~8%, after mixing, curing molding in mould is put into, this application is with valency
The cheap stone powder of lattice, polyethylene is raw material, reuses adhesive, after mixing, is put into curing molding in mould, you can
To PVC stone molding bases, its preparation process is simple, environmentally safe, is with a wide range of applications.
How but with the intensified competition of PVC stone plastic floor industries, PVC is further reduced on the basis of existing technology
The manufacturing cost of stone molding base, is the technical barrier of urgent need to resolve in the prior art.
Utility model content
1. utility model technical problems to be solved
The purpose of the utility model is to overcome the higher deficiency of the manufacturing cost using existing PVC stones molding base, there is provided
A kind of PVC stones molding base internal porosity generating means, effectively reduce the usage amount of raw material so that the system of PVC stone molding bases
Standby cost is greatly reduced, and improves the market competitiveness of PVC stone plastic floors.
2. technical solution
To reach above-mentioned purpose, technical solution provided by the utility model is：
The PVC stone molding base internal porosity generating means of the utility model, including stomata generating mechanism；
The stomata generating mechanism includes stomata generating mechanism body, which leads to for a cylindrical shape
Road, one end of stomata generating mechanism body is stomata generating mechanism import, and the other end of stomata generating mechanism body is given birth to for stomata
Exported into mechanism；
The stomata generating mechanism along its length on be provided with some groups of snorkels, every group of snorkel includes several
The snorkel being inserted into inside stomata generating mechanism, all snorkels on every group of snorkel are circumferential etc. along stomata generating mechanism
Spacing is distributed, and the end of same group of snorkel its all snorkel being inserted into stomata generating mechanism with stomata positioned at being generated
On same concentric circles centered on mechanism central axes；Described its diameter of concentric circles along the length direction of stomata generating mechanism
Increasing or decreasing；
Further improved as the utility model, the end that all snorkels are located at outside stomata generating mechanism is collected
It is communicated on inlet manifold, inlet manifold is connected by on-off valve with air storage chamber；The air storage chamber is connected by isolating valve and air pump
It is logical.
Further improved as the utility model, the snorkel includes snorkel body and end chambers, described
End chambers are to be connected to the spherical shell of snorkel body end, and through hole is evenly equipped with the spherical shell, and the end chambers are located at stomata
Inside generating mechanism.
Further improved as the utility model, the aperture of through hole is 0.10~0.25mm on the spherical shell.
Further improved as the utility model, the on-off valve and the isolating valve are electric opening and closing valve.
Further improved as the utility model, pressure gauge is installed in the air storage chamber.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, there is following remarkable result：
(1) in the utility model, the PVC of uniformly distributed a large amount of Minute pores in intermediate layer can be obtained by stomata generating mechanism
Stone molding base finished product, using this kind of new technique, can have certain mechanical strength premise ensureing PVC stones molding base
Under, effective usage amount for reducing raw material so that the manufacturing cost of PVC stone molding bases is greatly reduced, and improves PVC stone plastic floors
The market competitiveness；Meanwhile uniformly distributed a large amount of Minute pores can improve sound insulation and the heat insulating ability of PVC stone molding bases in intermediate layer
Can, after tested, compared to traditional PVC stone molding bases, its sound insulation of PVC stones molding base and insulation for being prepared in the utility model
Performance lifts more than 20%.
(2) pressure gauge of measurement gas storage room pressure in real time is installed, when discovery gas storage in the utility model, in air storage chamber
When indoor pressure is less than setting value, isolating valve can be automatically turned on nitrogen is filled into air storage chamber using air pump, to maintain gas storage
Indoor certain pressure, so that nitrogen impact is passed through stomata life after on-off valve is opened every time using the indoor hyperbar of gas storage
Into in-house, be conducive to a large amount of formation of Minute pores.
(3) in the utility model, the size sum number of Minute pores is controlled by adjusting on-off valve opening and closing frequency per second
Amount, test of many times prove that the volume of all Minute pores occupies 15%~25% sky in control monomer volume secondary molten liquid
Between, production cost can reduced and ensureing to find equalization point between the certain mechanical strength of PVC stone molding bases, realize comprehensive benefit
Maximize.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of stomata generating mechanism in embodiment 1；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the structure diagram of molding die mechanism in embodiment 1；
Fig. 4 is the flow chart of the manufacture method of the PVC stone molding bases of embodiment 1.
Label declaration in schematic diagram：1101st, stomata generating mechanism exports；1102nd, stomata generating mechanism import；1103、
Stomata generating mechanism body；1104th, snorkel；11041st, snorkel body；11042nd, end chambers；1105th, on-off valve；
1106th, air storage chamber；1107th, isolating valve；1108th, air pump；1201st, main-inlet；1202nd, secondary entrance；1203rd, distance piece；1204th, it is secondary
Outlet；1205th, primary outlet；1206th, section is merged.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Therefore, below to providing in the accompanying drawings
The detailed description of embodiment of the utility model be not intended to limit claimed the scope of the utility model, but only
Represent the selected embodiment of the utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
All other embodiments obtained under the premise of creative work are made, shall fall within the protection scope of the present invention.
To further appreciate that the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
With reference to Fig. 1-4, the manufacture method of the PVC stone molding bases of the present embodiment, comprises the following steps：
Step a：Raw material mix and heating；
In step a, the raw material of PVC stone molding bases and additive are added into batch mixer by formula rate, 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 with 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 prepare 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 is extruded and is pressed into molding die mechanism；
The primary molten liquid prepared in step a is drawn and is passed through time extruder all the way, secondary extruder melts the primary in it
Melt the secondary entrance 1202 that liquid is extruded 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 products are obtained.
In the present embodiment, stomata generating mechanism includes stomata generating mechanism body 1103, the stomata generating mechanism body
1103 be a cylindrical channel, and one end of stomata generating mechanism body 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, every group
Circumferential equidistantly distributed of all snorkels 1104 along stomata generating mechanism on snorkel 1104, and same group of snorkel
The end of 1104 its all snorkel 1104 being inserted into stomata generating mechanism is located at using stomata generating mechanism central axes in
On the same concentric circles of the heart；Along its increasing diameter of concentric circles on the length direction of stomata generating mechanism or successively decrease；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
Connected with air storage chamber 1106；Air storage chamber 1106 is connected by isolating valve 1107 with air pump 1108；Wherein：Snorkel 1104 includes logical
Tracheae body 11041 and end chambers 11042, end chambers 11042 are to be connected to the spherical shell of 11041 end of snorkel body,
Through hole is evenly equipped with 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 shaping
Mould and the surface mold for covering on both sides above and below molding die respectively, molding die are used to add the secondary molten liquid squeezed into it
Into the intermediate layer of PVC stone molding bases, surface mold is used to the primary molten liquid squeezed into it being processed into PVC stone molding bases work
Upper and lower superficial 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 flanging of 1203 centerline direction deviations, the import of fusion section 1206 are connected with flanging.Wherein, on the outer edge of secondary outlet 1204
The angle of the flanging being equipped with and 1203 center line of distance piece is 3 °~8 ° (8 ° are taken in the present embodiment).
In the present embodiment, the PVC stones that uniformly distributed a large amount of Minute pores in intermediate layer can be obtained by stomata generating mechanism are moulded
Base material finished product, using this kind of new technique, under the premise of can having certain mechanical strength ensureing PVC stones molding base, has
Effect reduces the usage amount of raw material so that the manufacturing cost of PVC stone molding bases is greatly reduced, and improves the market of PVC stone plastic floors
Competitiveness；Meanwhile uniformly distributed a large amount of Minute pores can improve sound insulation and the heat-insulating property of PVC stone molding bases, warp in intermediate layer
Test, compared to traditional PVC stone molding bases, its sound insulation of PVC stones molding base and heat-insulating property prepared in the present embodiment is equal
Lifting more than 20%.In specific the present embodiment, the primary molten liquid prepared in step a is drawn into a-road-through air passing hole generation machine
Structure, primary molten liquid from stomata generating mechanism import 1102 into blowhole generating mechanism body 1103 in, 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
Spray, countless Minute pores are formed in primary molten liquid, and multiple end chambers 11042 are distributed on the interior of stomata generating mechanism
Portion, therefore primary molten liquid is by forming the internal secondary molten liquid for being evenly distributed with countless Minute pores after stomata generating mechanism；Storage
The pressure gauge of pressure in measurement air storage chamber 1106 in real time is installed, when the pressure in discovery air storage chamber 1106 is less than in gas chamber 1106
During setting value, isolating valve 1107 can be automatically turned on and fill nitrogen into air storage chamber 1106 using air pump 1108, to maintain air storage chamber
Certain pressure in 1106, so as 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；Wherein, can be per second by adjusting on-off valve 1105
It is opened and closed frequency, the size of air pressure in air storage chamber 1106, the size of air vent aperture, quantity etc. are micro- to control in end chambers 11042
The size and quantity of formation 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, control the volume of all Minute pores in monomer volume secondary molten liquid to occupy
15%~25% space, can reduce production cost and ensure to find balance between the certain mechanical strength of PVC stone molding bases
Point, realizes that comprehensive benefit maximizes.(in the present embodiment, behaviour is opened and closed with frequency 10-60 times per second in control on-off valve 1105
Make.)
In the present embodiment, in order to ensure PVC stone molding base finished products its upper and lower surface finally prepared is smooth shape,
To adapt to actual use, the intermediate layer of PVC stone molding bases and upper and lower superficial layer are prepared by molding die mechanism respectively, so
Intermediate layer and upper and lower superficial layer effective integration are formed into PVC stone molding base finished products 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 extruded and is pressed into the main-inlet of molding die mechanism by main extruder
1201, it is made into intermediate layer in molding die, synchronous draw the primary molten liquid prepared in step a is passed through time extrusion all the way
Machine, the primary molten liquid in it is extruded 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 superficial layer, wherein molding die can use the mould used in tradition PVC stone molding base preparation process, for
The PVC stone molding bases of different types of structure are produced, replace corresponding molding die；Surface mold is by primary molten liquid system
Into the mould of plane；At the same time, since the both sides up and down of molding die are covered with surface mold respectively, in distance piece 1203,
The forming process of intermediate layer and upper and lower superficial layer separates, therefore, in order to ensure intermediate layer and upper and lower superficial layer are being melted
Close and be effectively merged in section 1206, is equipped with the outer edge of secondary outlet 1204 inclined to 1203 centerline direction of distance piece
The flanging of folding, can be pushed upper and lower superficial layer to the upper and lower surface in intermediate layer by the flanging, while coordinate fusion section 1206
Outside spraying cooling effect, is conducive to intermediate layer and upper and lower superficial layer and is effectively merged in fusion section 1206；The present embodiment
In, control time the angle of flanging that the outer edge of outlet 1204 is equipped with and 1203 center line of distance piece be 3 °~8 ° (angle is set
Meter exceedes this scope for promoting the fusion between intermediate layer and upper and lower superficial layer ineffective), in being effectively promoted
Fusion between interbed and upper and lower superficial layer.
Embodiment 2
The manufacture method of the PVC stone molding bases of the present embodiment, its step is substantially the same manner as Example 1, its difference exists
In：The nitrogen that 0.3Pa is filled with 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 prepared；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 utility model and embodiments thereof are described above, this describes no restricted, attached drawing
Shown in be also the utility model one of embodiment, actual structure is not limited thereto.So if this area
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
The frame mode similar to the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (6)
1. a kind of PVC stones molding base internal porosity generating means, it is characterised in that including stomata generating mechanism；
The stomata generating mechanism includes stomata generating mechanism body (1103), which is a circle
Cylindrical channel, one end of stomata generating mechanism body (1103) are stomata generating mechanism import (1102), stomata generating mechanism sheet
The other end of body (1103) exports (1101) for stomata generating mechanism；
The stomata generating mechanism along its length on be provided with some groups of snorkels (1104), every group of snorkel (1104) bag
Include the snorkel (1104) inside several insertion stomata generating mechanism, all snorkels on every group of snorkel (1104)
(1104) along the circumferential equidistantly distributed of stomata generating mechanism, and same group of snorkel (1104) its be inserted into stomata generation machine
The end of all snorkels (1104) in structure is on the same concentric circles centered on stomata generating mechanism central axes；Edge
Described its increasing diameter of concentric circles or successively decrease on the length direction of stomata generating mechanism.
2. PVC stones molding base internal porosity generating means according to claim 1, it is characterised in that：All snorkels
(1104) end outside stomata generating mechanism, which is collected, is communicated on inlet manifold, and inlet manifold passes through on-off valve (1105)
Connected with air storage chamber (1106)；The air storage chamber (1106) is connected by isolating valve (1107) with air pump (1108).
3. PVC stones molding base internal porosity generating means according to claim 2, it is characterised in that：The snorkel
(1104) snorkel body (11041) and end chambers (11042) are included, the end chambers (11042) are to be connected to ventilation
The spherical shell of tube body (11041) end, through hole is evenly equipped with the spherical shell, and the end chambers (11042) are located at stomata generation machine
Inside structure.
4. PVC stones molding base internal porosity generating means according to claim 3, it is characterised in that：Lead on the spherical shell
The aperture in hole is 0.10~0.25mm.
5. PVC stones molding base internal porosity generating means according to claim 2, it is characterised in that：The on-off valve
(1105) and the isolating valve (1107) is electric opening and closing valve.
6. PVC stones molding base internal porosity generating means according to claim 2, it is characterised in that：The air storage chamber
(1106) pressure gauge is installed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721310834.8U CN207290607U (en) | 2017-10-11 | 2017-10-11 | A kind of PVC stones molding base internal porosity generating means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721310834.8U CN207290607U (en) | 2017-10-11 | 2017-10-11 | A kind of PVC stones molding base internal porosity generating means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207290607U true CN207290607U (en) | 2018-05-01 |
Family
ID=62414991
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721310834.8U Expired - Fee Related CN207290607U (en) | 2017-10-11 | 2017-10-11 | A kind of PVC stones molding base internal porosity generating means |
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| Country | Link |
|---|---|
| CN (1) | CN207290607U (en) |
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2017
- 2017-10-11 CN CN201721310834.8U patent/CN207290607U/en not_active Expired - Fee Related
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