CN109853137A - A kind of dry method needleless thorn prepares the method and production equipment of core material of vacuum heat insulation plate - Google Patents
A kind of dry method needleless thorn prepares the method and production equipment of core material of vacuum heat insulation plate Download PDFInfo
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- CN109853137A CN109853137A CN201910129899.XA CN201910129899A CN109853137A CN 109853137 A CN109853137 A CN 109853137A CN 201910129899 A CN201910129899 A CN 201910129899A CN 109853137 A CN109853137 A CN 109853137A
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Abstract
The invention discloses methods and production equipment that a kind of dry method needleless thorn prepares core material of vacuum heat insulation plate, preliminary laying net for shaping is carried out to glass fibre first, then directly or up and down folder glass fabric pierces the needleless of preliminary laying net for shaping in the machine that glass fibre is sent into 400-800 DEG C in such a way that roller bearing drives the needleless thorn glass fibre of preliminary laying net for shaping, in transmit process, the needleless of preliminary lapping thorn glass fibre is by forming final vacuum heat-insulating plate core material under the action of ambient temperature, pressure.Needleless thorn glass fibre is heated to certain temperature, applies pressure appropriate by the present invention, fiberglass surfacing forms the colloidal cpd of half melt in transmit process, the colloidal cpd of half melt makes glass fiber be cross-linked with each other overlap joint, and final cooling obtain has high-intensitive, low heat conductivity novel vacuum heat-insulating board core material.
Description
Technical field
The present invention relates to methods and production equipment that a kind of dry method needleless thorn prepares core material of vacuum heat insulation plate.
Background technique
Vacuum heat-insulating plate (abbreviation VIP) is a kind of novel heat-insulation material, adiabatic heat-insulation effect low with thermal coefficient
Good, the shared space proportion of fruit is small, has the multiple advantages such as energy conservation, low-carbon, environmental protection, safety, is widely used in household electrical appliances heat preservation, wall
The fields such as body heat preservation, biological Refrigerated Transport, logistics cold chain transportation, automobile thermal insulation.With the raising that energy conservation and environmental protection requires, to vacuum
More stringent requirements are proposed for the heat insulation capacity of insulated panel core material.
Traditional all-glass paper uses wet forming, such as application No. is 201310213164.8 patent application documents
A kind of method that fiberglass vacuum insulation panel core material is prepared using wet forming is disclosed, glass chopped silk passes through slurrying
Dispersion, dehydration and drying obtain required core material.However the core thickness of wet forming, generally between 0.5-1mm, thermal coefficient is
2.1-2.3mw/m.k is not able to satisfy present requirement.In addition, that there is also energy wastes is big for wet process core material, synthesis is produced into
This height, environment influence big disadvantage.
Summary of the invention
The technical issues of the application solves is to overcome above-mentioned technological deficiency, provides a kind of dry method needleless thorn and prepares vacuum insulation
The method and production equipment of board core material.
The application solves technical solution used by above-mentioned technical problem
A kind of method that dry method needleless thorn prepares core material of vacuum heat insulation plate, comprising the following steps:
Step 1: raw material is launched in bale opener, and raw material is glass fiber and feed back, the glass fiber include long filament with
Short silk, the length range of long filament are 7-25cm, and the length range of short silk is 3-7cm；
Step 2: proportioned raw material is put into thick opener in step 1, is tentatively broken up by thick opener；
Step 3: the raw material broken up by the thick opener of step 2 in blower sucking blending box by tentatively being mixed；
Step 4: preliminary mixed raw material is sent into refined opener using oblique curtain, carries out breaing up again；
Step 5: the raw material broken up again is by storage in blower sucking cotton storage tank；
Step 6: a certain amount of raw material from cotton storage tank being weighed by electronic scale be put into carding machine and comb out the netted glass fibers of single layer
Tie up product；
Step 7: the netted glass fiber product of the single layer combed out by carding machine send to lapping machine by conveyer belt and carries out lapping
Obtain the netted glass fiber product of multilayer, it is preferable that multilayer netted glass fiber product breadth 500-5000mm, lapping number of plies 2-
150 layers, the netted glass fiber product of multilayer is measured with a thickness of 0.3-25mm by the calibrator of 100kpa pressure；
Step 8: the netted glass fiber product of multilayer hot pressing 3-20min under the conditions of 400-800 DEG C obtains vacuum heat-insulating plate core
Material.
After the netted glass fiber product upper and lower surface attaching glass fabric of the application multilayer under the conditions of 400-800 DEG C
Hot pressing 3-20min, obtains core material of vacuum heat insulation plate, and the netted glass fiber product upper and lower surface of multilayer attaches glass fabric
Method can use the prior art, such as clamp the netted glass fiber product of multilayer by clamping delivery mechanism and (refer to product forward
Machine direction) conveying, while upper and lower two unreeling machines attach glass fibre to the netted glass fiber product upper and lower surface of multilayer and knit
It is hot-forming by hot press together after object.
Wherein, by long filament, short silk, glass fibre feed back according to following proportions, wherein long filament ratio be 2-38%, it is short
Silk ratio is 60-95%, the ratio of feed back is 2-38%, 1 μm of described glass fibre string diameter or more.
Wherein, the grammes per square metre of the netted glass fiber product of the multilayer is 100-8000g/ ㎡.
Wherein, the fluffy degree of core material of vacuum heat insulation plate is 10% or more.
The application solves technical solution used by above-mentioned technical problem further include:
A kind of dry method needleless thorn prepares the production equipment of core material of vacuum heat insulation plate, including bale opener, thick opener, blending box, essence
Opener, cotton storage tank, carding machine, lapping machine, hot press, bale opener, thick opener, blending box, refined opener, cotton storage tank, comb
Reason machine, lapping machine are arranged successively, and the bale opener includes bale opener one, bale opener two, bale opener three, bale opener one, bale opener
Two, bale opener three is connected to thick opener, is respectively intended to out packet filament of glass fiber, glass fibre fracture of wire, glass fibre and returns
Expect and these three glass fibre raw materials are mixed to the single-glass for sending to thick opener, being exported carding machine by lapping machine
Fiber product lapping constitutes the netted glass fiber product of multilayer, it is characterized in that it is additionally provided with unreeling machine, clamping device, transverse cutting unit,
Lapping machine, clamping device, unreeling machine, hot press, transverse cutting unit are arranged successively, the netted glass fiber product of multilayer of lapping machine output
It is sent to hot press entrance through clamping device, glass fabric is attached to multilayer reticular glass fiber respectively by two unreeling machines
Product upper and lower surface, the netted glass fiber product of the multilayer that upper and lower surface is pasted with glass fabric by hot press are hot-forming
Glass fibre vacuum insulation panel core material is made, hot-forming glass fibre vacuum insulation panel core material is cut into setting by transverse cutting unit
The plate of length.
For herein described clamping device using clamping curtain mechanism, clamping curtain mechanism includes upper clamping curtain mechanism, lower clamping curtain
Mechanism, clamping curtain mechanism backing pressure are located at the netted glass fiber product of multilayer between upper clamping curtain mechanism, lower clamping curtain mechanism simultaneously
It forwards, big power of pullling will not be formed in the transmission direction, guarantee that reticular glass fiber product steadily transmits.
Herein described hot press includes that upper hot pressing structure, lower hot pressing structure and driving mechanism, driving mechanism are mounted on down
It is connect in hot pressing structure and with upper hot pressing structure, hot pressing structure, which is compressed as needed, keeps or discharged, in driving is pasted with glass
The reticular glass fiber product of fabric, upper hot pressing structure have upper insulating layer, and a set of heat-generating pipe is arranged in upper insulating layer lower part,
Lower hot pressing structure has lower insulating layer, and a set of heat-generating pipe is arranged in lower insulating layer top, and setting, which is processed, between two sets of heat-generating pipes produces
Product Transfer pipe improves hot pressing efficiency, energy saving.
Effective wide cut (working width) of herein described hot press is 2600 millimeters, and hot pressing length is not less than 6000 millis
Rice, upper insulating layer, lower insulating layer thickness be 30 millimeters.
Herein described glass fabric generallys use glass mat or glass fabric.
The application carries out preliminary laying net for shaping to glass fibre first, and then the needleless of preliminary laying net for shaping pierces glass fibre
Directly or up and down the needleless thorn glass fibre of preliminary laying net for shaping is sent by folder glass fabric in such a way that roller bearing drives
In 400-800 DEG C of machine, in transmit process, work of the needleless thorn glass fibre of preliminary lapping by ambient temperature, pressure
Final vacuum heat-insulating plate core material is formed with lower.
Compared with prior art, the beneficial effects of the present invention are: the present invention is using dry method needleless thorn molding preparation glass fibers
Core material of vacuum heat insulation plate is tieed up, glass fibre is heated to certain temperature, apply pressure appropriate and maintains glass after a period of time
Fiber surface forms gel (glue) compound of half melt, and the gel compound of half melt hands over glass fiber mutually
Connection overlap joint, final cooling obtain have high-intensitive, low heat conductivity novel glass fiber core material of vacuum heat insulation plate.The application structure
It is simple and convenient, it is energy saving, facilitate and be overlapped formula using existing glass fabric and produce, improves efficiency and quality.
Detailed description of the invention
Fig. 1 is that the process of the embodiment of the present application method configures block diagram.
Fig. 2 is the improvement part structural schematic diagram of the embodiment of the present application production equipment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
The embodiment of the present invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 2, a kind of method that dry method needleless thorn prepares core material of vacuum heat insulation plate, comprising the following steps:
Step 1: raw material is launched in bale opener, and raw material is glass fiber and glass fibre feed back, in the present invention, it is preferable that
1 μm of glass fibre string diameter or more, for glass fiber there are mainly two types of including long filament and short silk, bale opener can be by long filament and short silk
And glass fibre feed back matches according to a certain percentage, it is preferable that long filament ratio is 2-38%, short silk ratio is 60-95%, glass
The ratio of fiber feed back is 2-38%, it is preferable that the length range of long filament is 7-25cm, and the length range of short silk is 3-7cm, is opened
Chartered plane includes bale opener one, bale opener two, bale opener three, is respectively intended to out Bao Changsi, short silk, glass fibre feed back；
Step 2: proportioned raw material is put into thick opener in step 1, is tentatively broken up by thick opener；
Step 3: being put into blending box by the raw material that the thick opener of step 2 is broken up and tentatively mixed, raw material is by blower
Suck blending box；
Step 4: preliminary mixed raw material is sent into refined opener using oblique curtain, carries out breaing up again；
Step 5: the raw material broken up again is put into storage in cotton storage tank, and the raw material broken up again is to suck cotton storage tank by blower
Interior；
Step 6: a certain amount of raw material from cotton storage tank being weighed by electronic scale be put into carding machine and comb out the netted glass fibers of single layer
Tie up product；
Step 7: the netted glass fiber product of the single layer combed out by carding machine send to lapping machine by conveyer belt and carries out lapping
Obtain the netted glass fiber product of multilayer, it is preferable that multilayer netted glass fiber product breadth 500-5000mm, lapping number of plies 2-
150 layers, the grammes per square metre of the netted glass fiber product of multilayer is 100-8000g/ ㎡, measures net by the calibrator of 100kpa pressure
With a thickness of 0.3-25mm；
Step 8: the netted glass fiber product of multilayer hot pressing 3-20min under the conditions of 400-800 DEG C obtains vacuum heat-insulating plate core
Material, 10% or more fluffy degree.
The application step 8 can also be attached using the netted glass fiber product upper and lower surface of multilayer after glass fabric
Hot pressing 3-20min under the conditions of 400-800 DEG C, obtains core material of vacuum heat insulation plate.This method can use existing glass fibre and knit
Object reduces leading portion lapping pressure and time, thus rapid shaping.
The application solves technical solution used by above-mentioned technical problem further include:
A kind of dry method needleless thorn prepares the production equipment of core material of vacuum heat insulation plate, including bale opener, thick opener, blending box, essence
Opener, cotton storage tank, carding machine, lapping machine 7, hot press 8, bale opener, thick opener, blending box, refined opener, cotton storage tank,
Carding machine, lapping machine are arranged successively, and it is netted that the single-layer glass fiber product lapping that carding machine exports constituted multilayer by lapping machine 7
Glass fiber product, is additionally provided with unreeling machine 10, clamping device 9, transverse cutting unit 11, lapping machine 7, clamping device 9, unreeling machine 10,
Hot press 8, transverse cutting unit 11 are arranged successively, and the netted glass fiber product 12 of multilayer that lapping machine 7 exports is sent to through clamping device 9
Glass fabric is attached to the netted glass fiber product about 12 two of multilayer respectively by 8 entrance of hot press, two unreeling machines 10
Glass is made by the netted glass fiber product 12 of multilayer that upper and lower surface is pasted with glass fabric is hot-forming in face, hot press 8
Hot-forming glass fibre vacuum insulation panel core material is cut into setting length by the heat-insulated board core material of glass fiber vacuum, transverse cutting unit 11
Plate.
For herein described clamping device 9 using clamping curtain mechanism, clamping curtain mechanism includes upper clamping curtain mechanism 91, lower clamping
Curtain mechanism 92, clamping curtain mechanism backing pressure are located at the netted glass fibers of multilayer between upper clamping curtain mechanism 91, lower clamping curtain mechanism 92
It ties up product 12 and (referring to machine direction, the left side of Fig. 2) transmits forward, big power of pullling will not be formed in the transmission direction, guaranteed
The netted steadily transmission of glass fiber product 12 of multilayer.
Herein described hot press 8 includes upper hot pressing structure 81, lower hot pressing structure 82 and driving mechanism, driving mechanism installation
It is connect in lower hot pressing structure 82 and with upper hot pressing structure 81, hot pressing structure 81 is compressed as needed, keeps or discharged in driving
It is pasted with the reticular glass fiber product 12 of glass fabric, upper hot pressing structure 81 has upper insulating layer 811, upper insulating layer
A set of heat-generating pipe is arranged in 811 lower parts, and lower hot pressing structure 82 has lower insulating layer 821, and a set of fever is arranged in lower 821 top of insulating layer
It manages, processed finished product is arranged between two sets of heat-generating pipes, and (upper and lower surface is pasted with the reticular glass fiber product of glass fabric
12) Transfer pipe improves hot pressing efficiency, energy saving.The application method can be carried out using the production equipment.
The following are the data of the application most preferred embodiment, and wherein material rate is followed successively by long filament/short silk/feed back, and the 3rd column are extremely
6th column refer both to the netted glass fiber product parameter of multilayer, and Parameter units are as above:
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, it is possible to understand that
These embodiments can be carried out with a variety of variations, modification, replacement without departing from the principles and spirit of the present invention and become
Type, the scope of the present invention are limited by appended claims and its equivalents.
Claims (10)
1. a kind of method that dry method needleless thorn prepares core material of vacuum heat insulation plate, it is characterised in that: the following steps are included:
Step 1: raw material is launched into bale opener, and raw material is glass fiber and glass fibre feed back, the glass fiber packet
Long filament and short silk are included, the length range of long filament is 7-25cm, and the length range of short silk is 3-7cm；
Step 2: proportioned raw material is put into thick opener in step 1, is tentatively broken up by thick opener；
Step 3: the raw material broken up by the thick opener of step 2 in blower sucking blending box by tentatively being mixed；
Step 4: preliminary mixed raw material is sent into refined opener using oblique curtain, carries out breaing up again；
Step 5: the raw material broken up again is by storage in blower sucking cotton storage tank；
Step 6: a certain amount of raw material from cotton storage tank being weighed by electronic scale be put into carding machine and comb out the netted glass fibers of single layer
Tie up product；
Step 7: the netted glass fiber product of the single layer combed out by carding machine send to lapping machine by conveyer belt and carries out lapping
Obtain the netted glass fiber product of multilayer, multilayer netted glass fiber product breadth 500-5000mm, 2-150 layers of the lapping number of plies,
The netted glass fiber product of multilayer is measured by the calibrator of 100kpa pressure with a thickness of 0.3-25mm；
Step 8: the netted glass fiber product of multilayer hot pressing 3-20min under the conditions of 400-800 DEG C obtains vacuum insulation plate core
Material.
2. the method that dry method needleless thorn according to claim 1 prepares core material of vacuum heat insulation plate, it is characterised in that: step 8
In the netted glass fiber product upper and lower surface of multilayer attach after glass fabric hot pressing 3- under the conditions of 400-800 DEG C
20min obtains core material of vacuum heat insulation plate.
3. the method that dry method needleless thorn according to claim 1 prepares core material of vacuum heat insulation plate, it is characterised in that: will grow
Silk, short silk, glass fibre feed back are according to following proportions, and wherein long filament ratio is 2-38%, short silk ratio is 60-95%, returns
The ratio of material is 2-38%, 1 μm of described glass fibre string diameter or more.
4. the method that dry method needleless thorn according to claim 1 prepares core material of vacuum heat insulation plate, it is characterised in that: described more
The grammes per square metre of layer reticular glass fiber product is 100-8000g/ ㎡.
5. the method that dry method needleless thorn according to claim 1 prepares core material of vacuum heat insulation plate, it is characterised in that: described true
Empty insulated panel core material fluffy degree is 10% or more.
6. the method that dry method needleless thorn according to claim 2 prepares core material of vacuum heat insulation plate, it is characterised in that: the glass
Glass fabric uses glass mat or glass fabric.
7. a kind of dry method needleless thorn prepares the production equipment of core material of vacuum heat insulation plate, including bale opener, thick opener, blending box,
Refined opener, cotton storage tank, carding machine, lapping machine, hot press, bale opener, thick opener, blending box, refined opener, cotton storage tank,
Carding machine, lapping machine are arranged successively, and bale opener includes bale opener one, bale opener two, bale opener three, bale opener one, bale opener two,
Bale opener three is connected to thick opener, it is characterised in that: is additionally provided with unreeling machine, clamping device, transverse cutting unit, lapping machine, folder
It holds mechanism, unreeling machine, hot press, transverse cutting unit to be arranged successively, the netted glass fiber product of multilayer of lapping machine output is through clamping machine
Structure is sent to hot press entrance, and glass fabric is attached to the netted glass fiber product of multilayer or more respectively by two unreeling machines
Glass is made by the netted glass fiber product of multilayer that upper and lower surface is pasted with glass fabric is hot-forming in two sides, hot press
Hot-forming glass fibre vacuum insulation panel core material is cut into the plate of setting length by the heat-insulated board core material of fiber vacuum, transverse cutting unit
Material.
8. the production equipment that dry method needleless thorn according to claim 7 prepares core material of vacuum heat insulation plate, it is characterised in that: institute
Clamping device is stated using clamping curtain mechanism, clamping curtain mechanism includes upper clamping curtain mechanism, lower clamping curtain mechanism, clamps curtain mechanism support
Pressure is located at the netted glass fiber product of multilayer between upper clamping curtain mechanism, lower clamping curtain mechanism and forwards.
9. the production equipment that dry method needleless thorn according to claim 7 prepares core material of vacuum heat insulation plate, it is characterised in that: institute
Stating hot press includes upper hot pressing structure, lower hot pressing structure and driving mechanism, driving mechanism be mounted in lower hot pressing structure and with it is upper
The connection of hot pressing structure, upper hot pressing structure have upper insulating layer, and a set of heat-generating pipe is arranged in upper insulating layer lower part, and lower hot pressing structure has
Lower insulating layer, lower insulating layer top are arranged a set of heat-generating pipe, product to be processed Transfer pipe are arranged between two sets of heat-generating pipes.
10. the production equipment that dry method needleless thorn according to claim 7 prepares core material of vacuum heat insulation plate, it is characterised in that:
Effective wide cut of the hot press is 2600 millimeters, and hot pressing length is not less than 6000 millimeters, the thickness of upper insulating layer, lower insulating layer
It is 30 millimeters.
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Cited By (1)
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