CN105669001B - The production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube - Google Patents
The production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube Download PDFInfo
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- CN105669001B CN105669001B CN201610018985.XA CN201610018985A CN105669001B CN 105669001 B CN105669001 B CN 105669001B CN 201610018985 A CN201610018985 A CN 201610018985A CN 105669001 B CN105669001 B CN 105669001B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The present invention relates to a kind of production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube, step is that inner tube, outer tube are carried out back cover respectively, a thin glass tail pipe is connect on the back cover of outer tube, and Spring Card is fixedly mounted in back cover, getter is placed on Spring Card；Outer wall of inner tube after back cover is subjected to plated film；The inner tube of plated film is inserted in outer tube, inner tube is fixed on outer tube with Spring Card and forms bimetallic tube, bimetallic tube is integrally put on turning attachment；The nozzle needs of inner and outer tubes are heated portion of and carry out melting material, make inner and outer tubes oral area combination scorification, after the compression moulding that cools down, then cooling down；Continue rotary double-layer pipe in forming process；After being vacuumized by the thin glass tail pipe of outer tube, then thin glass tail pipe is fused and is sealed, reheat outer pipe bottom, nonevaporable getter agent obtains finished product.Heat insulation effect of the present invention is good, is not necessarily to water tank, prevents leak, good airproof performance, high yield rate.
Description
Technical field
The present invention relates to a kind of production technologies of flange nozzle formula complete glass vacuum sun thermal-collecting tube.
Background technology
Complete glass vacuum sun thermal-collecting tube is the core element of solar water heater, is known as " the heart of solar water heater
It is dirty ", the quality of complete glass vacuum sun thermal-collecting tube quality directly influences the service life of solar water heater, performance and extensively
Property.With the increasing of complete glass vacuum sun thermal-collecting tube bore, existing complete glass vacuum sun thermal-collecting tube oral area sealing-in mode is easy
It causes complete glass vacuum sun thermal-collecting tube to burst, and is difficult to seal, easy leak influences the extensive of heavy caliber solar water heater
Using.
Invention content
The object of the present invention is to provide a kind of production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube, preparation sides
Method is simple, and operation is easy, direct water storage in flange nozzle formula complete glass vacuum sun thermal-collecting tube, without separately adding water tank, heat preservation effect
Fruit is good, good airproof performance, antileaking, high yield rate.
Complete glass vacuum sun thermal-collecting tube is the letter of flange nozzle formula complete glass vacuum sun thermal-collecting tube in subsequent narration
Claim.
A kind of production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube of the present invention, including following step
Suddenly:
(1) inner tube, outer tube are subjected to back cover respectively, wherein a thin glass tail pipe is connect on the back cover of outer tube, and in back cover
Spring Card is fixedly mounted, getter is placed on Spring Card；
(2) outer wall of inner tube after back cover is subjected to plated film；
(3) inner tube of plated film is inserted in outer tube, inner tube is fixed on outer tube with Spring Card and forms bimetallic tube, it will be double-deck
Pipe is integrally put on turning attachment, and starts to rotate with 40-50 revs/min；
(4) nozzle of inner and outer tubes needs are heated portion of and carry out melting material, make inner and outer tubes oral area knot
Scorification is closed, after being cooled to 1100-1200 DEG C of compression moulding, then cooling down；Continue rotary double-layer pipe in forming process；
(5) after being vacuumized by the thin glass tail pipe of outer tube, then thin glass tail pipe is fused and is sealed, reheat outer tube bottom
Portion, nonevaporable getter agent obtain finished product；
Wherein, flange nozzle formula complete glass vacuum sun thermal-collecting tube is divided into varus flange nozzle formula all-glass vacuum solar collection
Heat pipe and the flange nozzle formula complete glass vacuum sun thermal-collecting tube that turns up.
Inner pipe wall thickness is 2.2-3.2mm, and outer tube wall thickness is 2.4-3.5mm.
The inner tube material length of varus flange nozzle formula complete glass vacuum sun thermal-collecting tube is 5-7cm, and turn up flange nozzle
The inner tube material length of formula complete glass vacuum sun thermal-collecting tube is 3-4cm.
Getter is barium-aluminium getter.Barium-aluminium getter can ensure heating and the guarantor of complete glass vacuum sun thermal-collecting tube
Temperature function.
The film layer that outer wall of inner tube is plated is Al-N-Al film layers or three high film layers.
Plating film layer be Al-N-Al film layers or three high film layers.Three high film layers are Solder for Al-Cu Joint Welding-stainless steel film layer.
When melting material, the outer length of tube of melting material is 1-1.3cm.
Inner and outer tubes are glass tube.
The structure of flange nozzle formula complete glass vacuum sun thermal-collecting tube production mould of turning up includes upper mold and lower mold, on
Mold includes the second positioning table, and second positioning table one end is sequentially connected the first workbench and the second workbench, the second positioning table, the
It is fastened by bolt and the second nut between one workbench and the second workbench, lower mold includes that corresponding second positioning table is arranged
Locating piece, locating piece are mounted in forming blocks, and forming blocks are mounted in second support bar, and second support bar is mounted in rack,
Branch hold mode corresponding with upper mold and lower mold is installed in rack.
Branch hold mode includes supporting block, and supporting block is installed on the securing lever, and locating rod is fixed on holder, frame bottom installation
Sliding block is arranged in second bottom plate, the second bottom base plate, and sliding slot is arranged in slider bottom, and sliding slot setting sliding rail is corresponded in rack.
Second positioning table, the first workbench, the second workbench and supporting block are cylinder.
The structure of varus flange nozzle formula complete glass vacuum sun thermal-collecting tube includes upper mold and lower mold, lower mold bottom
First support bar is connected, first support bar end is arranged connecting plate, passes through fastener connection fixing block, fixed block on the outside of connecting plate
Sliding slot is arranged in outside, and the first bottom plate is arranged in exterior bottom, and hole is threaded on the first bottom plate, support plate, support are installed in sliding slot
Fixed rubber body on the outside of plate, support plate bottom have adjusting bolt, adjusting bolt to be mounted in threaded hole.
The section of support plate is L-shaped, and rubber body top surface is set as arcwall face, the die orifice that upper mold and lower mold are formed
Lower face and rubber body top surface peak in same level.
Upper mold includes the first positioning table and briquetting roller, and lower mold corresponds to the first positioning table and position block, positioning gear is arranged
Shaping mould is arranged in block one end, and shaping mould is located at below briquetting roller, and shaping mould is connected with position block by screw rod, and screw rod is mounted on
In mold rods, mold rods connect position block, and mold rods end is arranged groove, spring is installed in groove, and spring is placed on screw rod,
Screw rod end is fastened by the first nut.
The end face section of forming blocks is triangle.
It needs first to preheat mold before preparing complete glass vacuum sun thermal-collecting tube, preheating temperature is more than 400 DEG C.
The operating method of step (3) is that the inner tube of plated film is inserted in outer tube, and inner tube is fixed on outer tube with Spring Card
Bimetallic tube is formed, bimetallic tube is integrally put on turning attachment, so that it is started and is rotated with 40-50 revs/min, upper mold is fixed on
It on square pressing plate, can move up and down, lower mold is fixed on the lathe other end, can be moved along the axial direction of bimetallic tube.
When preparing varus flange nozzle formula complete glass vacuum sun thermal-collecting tube, the operating method of step (4) is to full glass
The nozzle of vacuum solar collector tubes carries out melting material, and lower mold is then pushed into inner tube nozzle base, and rubber body enters
Internal tube is supported, and then moves to upper mold on lower mold, and the first positioning table is made to be stuck on position block, by melting
Inside and outside glass tube nozzle after material, which is placed between briquetting roller and shaping mould, to be molded, and glass tube rotation forms varus flange nozzle
Formula complete glass vacuum sun thermal-collecting tube.
Preparation turn up flange nozzle formula complete glass vacuum sun thermal-collecting tube when, the molding operating method of step (4) is pair
The nozzle of bimetallic tube carries out melting material, and lower mold is then pushed into inner tube nozzle base, and supporting block enters internal tube progress
Support, then upper mold is moved on lower mold, the second positioning table is made to be stuck on locating piece, inside and outside after melting material
Glass tube nozzle is placed between the first workbench, the second workbench and forming blocks and is molded, and forms the full glass of flange nozzle formula that turns up
Vacuum solar collector tubes.
One end of heated portion is at the nozzle of complete glass vacuum sun thermal-collecting tube in step (4), and the other end is initial
Hot spot.The process of melting material is that the inner and outer pipes of initial heating point are heated to 900 DEG C -1000 DEG C, makes inner and outer pipes herein
After nozzle deforms upon, by heating duration and degree of heating to movement at nozzle, displacement distance is the 2/3 of entire heated portion, is moved to
1200 DEG C -1400 DEG C are heated to behind position, the heated portion of inner and outer pipes is melted at this time, keeps temperature-resistant, then will heat duration and degree of heating
It is moved to initial heating point, so that the heated portion of inner and outer pipes is melted, then turn over and connect inner and outer tubes, makes inner and outer tubes oral area knot
It is integral to close scorification.
In step (4), the operating procedure of cooling down is to be kept for 1100-1200 DEG C heating duration and degree of heating is moved down 22-30mm, 5-
So that the temperature of vacuum tank is dropped to 800 DEG C -900 DEG C after 10 seconds, duration and degree of heating is moved down into 22-30mm again, makes all-glass vacuum after 5-10 seconds
The temperature of solar heat-collection tube head drops to 500 DEG C -600 DEG C, first step annealing；It closes fire cooling 5-10 seconds, lifts upper mold, under lower mold
Drop is released.
The operating method of solar energy varus flange nozzle formula complete glass vacuum sun thermal-collecting tube production mould：
The bimetallic tube that inner and outer pipe is assembled into makes its rotation, upper mold be fixed on upper platen on turning attachment,
It can move up and down, lower mold is fixed on the lathe other end, can be moved along the axial direction of bimetallic tube, is carried out to the nozzle of bimetallic tube
Material is melted, lower mold is then pushed into inner tube nozzle base, rubber body enters internal tube and is supported, then will be upper
Mold moves on lower mold, and the first positioning table is made to be stuck on position block, and the inside and outside glass tube nozzle after material is placed in briquetting roller
It is molded between shaping mould, glass tube rotation, makes to be processed into upper mold at glass tube nozzle and lower mold forms varus flanged pipe
Mouth formula complete glass vacuum sun thermal-collecting tube.
The operating method of the solar energy flange nozzle formula complete glass vacuum sun thermal-collecting tube production mould that turns up：
First the bimetallic tube that inner and outer pipe is assembled into is clipped on jig, its rotation, upper mold is made to be fixed by fixed plate
Above on pressing plate, it can move up and down, lower mold is fixed on the other end on lathe, and can be moved along bimetallic tube axial direction,
Melting material is carried out to the nozzle of bimetallic tube, lower mold is then pushed into inner tube nozzle base, supporting block enter internal tube into
Row support, then upper mold is moved on lower mold, the second positioning table is made to be stuck on locating piece, the inside and outside glass tube after material
Nozzle is placed between the first workbench, the second workbench and forming blocks and is molded, and glass tube rotation makes to be processed at glass tube nozzle
The flange nozzle formula complete glass vacuum sun thermal-collecting tube that turns up that upper mold and lower mold are formed.
Compared with prior art, the invention has the advantages that：
The production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube of the present invention, preparation method is simple, and operation is easy,
Heat insulation effect is good, is not necessarily to water tank, prevents leak, good airproof performance, high yield rate.
Description of the drawings
The structural schematic diagram of Fig. 1, solar energy varus flange nozzle formula complete glass vacuum sun thermal-collecting tube production mould；
Fig. 2, be fixed block in Fig. 1 overlooking structure diagram；
The structural schematic diagram of Fig. 3, the solar energy flange nozzle formula complete glass vacuum sun thermal-collecting tube production mould that turns up；
In figure：1, the first nut 2, mold rods 3, spring 4, screw rod 5, position block 6, briquetting roller 7, shaping mould
8, first support bar 9, connecting plate 10, fastener 11, fixed block 12, support plate 13, rubber body 14, adjusting bolt
15, the first bottom plate 16, sliding slot 17, threaded hole 18, the first positioning table 19, rack 20, second support bar 21, the second nut
22, the second positioning table 23, the first workbench 24, the second workbench 25, fixed plate 26, bolt 27, forming blocks 28, holder
29, locating rod 30, supporting block 31, the second bottom plate 32, sliding block 33, locating piece.
Specific implementation mode
With reference to embodiment, the present invention is described further.
Embodiment 1
The production technology of varus flange nozzle formula complete glass vacuum sun thermal-collecting tube described in the present embodiment, including following step
Suddenly:
(1) inner tube, outer tube are subjected to back cover respectively, wherein a thin glass tail pipe is connect on the back cover of outer tube, and in back cover
Spring Card is fixedly mounted, barium-aluminium getter is placed on Spring Card；
(2) outer wall of inner tube after back cover is subjected to plating Al-N-Al films；
(3) inner tube of plated film is inserted in outer tube, inner tube is fixed on outer tube with Spring Card and forms bimetallic tube, it will be double-deck
Pipe is integrally put on turning attachment, and starts to rotate with 40 revs/min, and upper mold is fixed on upper platen, can move up and down, under
Mold is fixed on the lathe other end, can be moved along the axial direction of bimetallic tube；
(4) inner and outer tubes nozzle needs are heated portion of and carry out melting material, inner and outer tubes oral area is made to combine
Scorification is integrated, after being cooled to 1150 ± 50 DEG C of compression mouldings, then cooling down；Continue rotary double-layer pipe in forming process；
(5) after being vacuumized by the thin glass tail pipe of outer tube, then thin glass tail pipe is fused and is sealed, reheat outer tube bottom
Portion, nonevaporable getter agent obtain finished product；
It needs first to preheat mold before preparing complete glass vacuum sun thermal-collecting tube, preheating temperature is more than 400 DEG C.
Inner pipe wall thickness is 3.0mm, and outer tube wall thickness is 3.0mm.Inner and outer tubes are glass tube.
When melting material, the outer length of tube of melting material is 1cm.
The inner tube material length of varus flange nozzle formula complete glass vacuum sun thermal-collecting tube is 5cm.
The operating method of step (4) be melting material is carried out to the nozzle of complete glass vacuum sun thermal-collecting tube, then will under
Mold is pushed into inner tube nozzle base, and rubber body enters internal tube and is supported, then moves to upper mold on lower mold,
The first positioning table is set to be stuck on position block, the inner and outer pipe nozzle after melting material is placed between briquetting roller and shaping mould
Molding, glass tube rotation, forms varus flange nozzle formula complete glass vacuum sun thermal-collecting tube.
One end of heated portion is at the nozzle of complete glass vacuum sun thermal-collecting tube in step 4, and the other end is initial adds
Hot spot.The process of melting material is that the inner and outer pipes of initial heating point are heated to 1000 DEG C, and inner and outer pipes nozzle herein is made to occur
After deformation, by heating duration and degree of heating to movement at nozzle, displacement distance is the 2/3 of entire heated portion, and movement is heated afterwards in place
To 1200 DEG C, the heated portion of inner and outer pipes is melted at this time, keeps temperature-resistant, then heating duration and degree of heating is moved to initial heating
Point makes the heated portion of inner and outer pipes be melted into the cylindrical annular structure of rotation, then turns over and connect inner and outer tubes, makes inner and outer tubes
Oral area combination scorification.
In step (4), the operating procedure of cooling down is to be kept for 1100 DEG C, and heating duration and degree of heating is moved down 30mm, is made after 10 seconds
The temperature of vacuum tank drops to 800 DEG C, and duration and degree of heating is moved down 22mm again, drops the temperature of complete glass vacuum sun thermal-collecting tube head after 10 seconds
To 550 ± 10 DEG C, first step annealing；It is 10 seconds cooling to close fire, lifts upper mold, lower mold, which declines, to be released.
The structure of varus flange nozzle formula complete glass vacuum sun thermal-collecting tube production mould includes upper mold and lower mold, under
Mold bottom connects first support bar 8, and connecting plate 9 is arranged in 8 end of first support bar, and 9 outside of connecting plate is connected by fastener 10
Fixed block 11 is connect, sliding slot 16 is arranged in 11 outside of fixed block, and exterior bottom is arranged the first bottom plate 15, is threaded on the first bottom plate 15
Hole 17, sliding slot 16 is interior to install support plate 12, and the fixed rubber body 13 in 12 outside of support plate, adjusting bolt is arranged at 12 bottom of support plate
14, adjusting bolt 14 is mounted in threaded hole 17.
The section of support plate 12 is L-shaped, and 13 top surface of rubber body is set as arcwall face, what upper mold and lower mold were formed
The lower face of die orifice is with 13 top surface peak of rubber body in same level.
Upper mold includes the first positioning table 18 and briquetting roller 6, and lower mold corresponds to the first positioning table 18 and position block 5 is arranged,
Shaping mould 7 is arranged in 5 one end of position block, and shaping mould 7 is located at 6 lower section of briquetting roller, and shaping mould 7 and position block 5 are connected by screw rod 4
It connects, screw rod 4 is mounted in mold rods 2, and mold rods 2 connect position block 5, and 2 end of mold rods is arranged groove, bullet is installed in groove
Spring 3, spring 3 are placed on screw rod 4, and 4 end of screw rod is fastened by the first nut 1.
The operating method of solar energy varus flange nozzle formula complete glass vacuum sun thermal-collecting tube production mould：
Bimetallic tube after first inner and outer pipe is assembled is clipped on turning attachment, its rotation, upper mold is made to be fixed on upper platen
On, it can move up and down, lower mold is fixed on the lathe other end, can be moved along the axial direction of bimetallic tube, to the nozzle of bimetallic tube
Melting material is carried out, lower mold is then pushed into inner tube nozzle base, rubber body 13 is supported into internal tube, so
Upper mold is moved on lower mold afterwards, the first positioning table 18 is made to be stuck on position block 5, the inside and outside glass tube nozzle after material
It is placed between briquetting roller 6 and shaping mould 7 and is molded, glass tube rotation makes to be processed into upper mold and lower mold shape at glass tube nozzle
At varus flange nozzle formula complete glass vacuum sun thermal-collecting tube.
Embodiment 2
The production technology of varus flange nozzle formula complete glass vacuum sun thermal-collecting tube described in the present embodiment, including following step
Suddenly:
(1) inner tube, outer tube are subjected to back cover respectively, wherein a thin glass tail pipe is connect on the back cover of outer tube, and in back cover
Spring Card is fixedly mounted, barium-aluminium getter is placed on Spring Card；
(2) outer wall of inner tube after back cover is subjected to three high film layers of plating；
(3) inner tube of plated film is inserted in outer tube, inner tube is fixed on outer tube with Spring Card and forms bimetallic tube, it will be double-deck
Pipe is integrally put on turning attachment, and starts to rotate with 40 revs/min, and upper mold is fixed on upper platen, can move up and down, under
Mold is fixed on the lathe other end, can be moved along the axial direction of bimetallic tube；
(4) inner and outer tubes nozzle needs are heated portion of and carry out melting material, inner and outer tubes oral area is made to combine
Scorification is integrated, after being cooled to 1150 ± 50 DEG C of compression mouldings, then cooling down；Continue rotary double-layer pipe in forming process；
(5) after being vacuumized by the thin glass tail pipe of outer tube, then thin glass tail pipe is fused and is sealed, reheat outer tube bottom
Portion, nonevaporable getter agent obtain finished product；
It needs first to preheat mold before preparing complete glass vacuum sun thermal-collecting tube, preheating temperature is more than 400 DEG C.
When melting material, the outer length of tube of melting material is 1.3cm.
Inner pipe wall thickness is 3.0mm, and outer tube wall thickness is 3.0mm.Inner and outer tubes are glass tube.
The operating method of step (4) be melting material is carried out to the nozzle of complete glass vacuum sun thermal-collecting tube, then will under
Mold is pushed into inner tube nozzle base, and rubber body enters internal tube and is supported, then moves to upper mold on lower mold,
The first positioning table is set to be stuck on position block, the inside and outside glass tube nozzle after melting material is placed in briquetting roller and shaping mould
Between be molded, glass tube rotation, formed varus flange nozzle formula complete glass vacuum sun thermal-collecting tube.
One end of heated portion is at the nozzle of complete glass vacuum sun thermal-collecting tube in step 4, and the other end is initial adds
Hot spot.The process of melting material is that the inner and outer pipes of initial heating point are heated to 950 DEG C, makes inner and outer pipes nozzle herein that shape occur
After change, by heating duration and degree of heating to movement at nozzle, displacement distance is the 2/3 of entire heated portion, and movement is heated to afterwards in place
1400 DEG C, the heated portion thawing of inner and outer pipes, keeps temperature-resistant at this time, then heating duration and degree of heating is moved to initial heating point,
So that the heated portion of inner and outer pipes is melted into the cylindrical annular structure of rotation, then turn over and connect inner and outer tubes, makes inner and outer tubes mouth
Portion combines scorification.
In step (4), the operating procedure of cooling down is to be kept for 1150 ± 10 DEG C, and heating duration and degree of heating is moved down 30mm, 10 seconds
So that the temperature of vacuum tank is dropped to 850 ± 10 DEG C afterwards, duration and degree of heating is moved down into 28mm again, complete glass vacuum sun thermal-collecting tube head is made after 10 seconds
Temperature drop to 550 ± 10 DEG C, first step annealing；It is 10 seconds cooling to close fire, lifts upper mold, lower mold, which declines, to be released.
The inner tube material length of varus flange nozzle formula complete glass vacuum sun thermal-collecting tube is 6cm.
The present embodiment with used in embodiment 1 mold and its application method it is identical.
Embodiment 3
The production technology of the flange nozzle formula complete glass vacuum sun thermal-collecting tube that turns up described in the present embodiment, including following step
Suddenly:
(1) inner tube, outer tube are subjected to back cover respectively, wherein a thin glass tail pipe is connect on the back cover of outer tube, and in back cover
Spring Card is fixedly mounted, barium-aluminium getter is placed on Spring Card；
(2) outer wall of inner tube after back cover is subjected to plating Al-N-Al films；
(3) inner tube of plated film is inserted in outer tube, inner tube is fixed on outer tube with Spring Card and forms bimetallic tube, it will be double-deck
Pipe is integrally put on turning attachment, and starts to rotate with 40 revs/min, and upper mold is fixed on upper platen, can move up and down, under
Mold is fixed on the lathe other end, can be moved along the axial direction of bimetallic tube；
(4) inner and outer tubes nozzle needs are heated portion of and carry out melting material, inner and outer tubes oral area is made to combine
Scorification is integrated, after being cooled to 1150 ± 50 DEG C of compression mouldings, then cooling down；Continue rotary double-layer pipe in forming process；
(5) after being vacuumized by the thin glass tail pipe of outer tube, then thin glass tail pipe is fused and is sealed, reheat outer tube bottom
Portion, nonevaporable getter agent obtain finished product；
It needs first to preheat mold before preparing complete glass vacuum sun thermal-collecting tube, preheating temperature is more than 400 DEG C.
When melting material, the outer length of tube of melting material is 1cm.
Inner pipe wall thickness is 3.0mm, and outer tube wall thickness is 3.0mm.Inner and outer tubes are glass tube.
The molding operating method of step (4) is to carry out melting material to the nozzle of bimetallic tube, is then pushed into lower mold
Inner tube nozzle base, supporting block enter internal tube and are supported, and then move to upper mold on lower mold, make the second positioning table
It is stuck on locating piece, the inside and outside glass tube nozzle after melting material is placed in the first workbench, the second workbench and forming blocks
Between be molded, formation is turned up flange nozzle formula complete glass vacuum sun thermal-collecting tube.
One end of heated portion is at the nozzle of complete glass vacuum sun thermal-collecting tube in step (4), and the other end is initial
Hot spot.The process of melting material is that the inner and outer pipes of initial heating point are heated to 1000 DEG C, and inner and outer pipes nozzle herein is made to send out
After life deformation, duration and degree of heating will be heated to movement at nozzle, displacement distance is the 2/3 of entire heated portion, mobile to add afterwards in place
Heat is to 1200 DEG C, and the heated portion of inner and outer pipes is melted at this time, keeps temperature-resistant, then heating duration and degree of heating is moved to initial heating
Point makes the heated portion of inner and outer pipes be melted into the cylindrical annular structure of rotation, then turns over and connect inner and outer tubes, makes inner and outer tubes
Oral area combination scorification.
In step (4), the operating procedure of cooling down is to be kept for 1200 DEG C, and heating duration and degree of heating is moved down 25mm, is made after 8 seconds true
The temperature of slack tank drops to 880 ± 10 DEG C, and duration and degree of heating is moved down 30mm again, the temperature of complete glass vacuum sun thermal-collecting tube head is made after 5 seconds
550 ± 10 DEG C are dropped to, first step annealing；It is 8 seconds cooling to close fire, lifts upper mold, lower mold, which declines, to be released.
Turn up flange nozzle formula complete glass vacuum sun thermal-collecting tube inner tube material length be 3cm.
The structure of flange nozzle formula complete glass vacuum sun thermal-collecting tube production mould of turning up includes upper mold and lower mold, on
Mold includes the second positioning table 22, and 22 one end of the second positioning table is sequentially connected the first workbench 23 and the second workbench 24, and second
It is fastened by bolt 26 and the second nut 21 between positioning table 22, the first workbench 23 and the second workbench 24, lower mold includes
The locating piece 33 of corresponding second positioning table 22 setting, locating piece 33 are mounted in forming blocks 27, and forming blocks 27 are mounted on second
On strut 20, second support bar 20 is mounted in rack 19, and support corresponding with upper mold and lower mold is installed in rack 19
Mould.
Branch hold mode includes supporting block 30, and supporting block 30 is mounted in locating rod 29, and locating rod 29 is fixed on holder 28, branch
The second bottom plate 31 is installed in 28 bottom of frame, and sliding block 32 is arranged in 31 bottom of the second bottom plate, and sliding slot is arranged in 32 bottom of sliding block, right in rack 19
Answer sliding slot that sliding rail is set.
Second positioning table 22, the first workbench 23, the second workbench 24 and supporting block 30 are cylinder.
The operating method of the solar energy flange nozzle formula complete glass vacuum sun thermal-collecting tube production mould that turns up：
First by glass fiber pipe clamp on jig, its rotation, upper mold is made to be fixed on upper platen by fixed plate 25
On, it can move up and down, lower mold is fixed on one end opposite with glass hollow billet on lathe, and can be moved along glass tube axial direction
It is dynamic, melting material is carried out to the nozzle of glass hollow billet, lower mold is then pushed into inner tube nozzle base, supporting block 30 enters inner tube
Inside is supported, and then moves to upper mold on lower mold, so that the second positioning table 22 is stuck on locating piece 33, after material
Inside and outside glass tube nozzle is placed between the first workbench 23, the second workbench 24 and forming blocks 27 and is molded, and glass tube rotation makes
The flange nozzle formula complete glass vacuum sun thermal-collecting tube that turns up that upper mold and lower mold are formed is processed at glass tube nozzle.
Claims (4)
1. a kind of production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube, characterized in that include the following steps:
Inner tube, outer tube are subjected to back cover respectively, wherein connect a thin glass tail pipe on the back cover of outer tube, and fix and pacify in back cover
Shock mount card places getter on Spring Card；
Outer wall of inner tube after back cover is subjected to plated film；
The inner tube of plated film is inserted in outer tube, inner tube is fixed on outer tube with Spring Card and forms bimetallic tube, by bimetallic tube entirety
It is put on turning attachment, and starts to rotate with 40-50 revs/min；
The nozzle needs of inner and outer tubes are heated portion of and carry out melting material, make inner and outer tubes oral area combination scorification,
After being cooled to 1100-1200 DEG C of compression moulding, then cooling down；Continue rotary double-layer pipe in forming process；
After being vacuumized by the thin glass tail pipe of outer tube, then thin glass tail pipe is fused and is sealed, reheats outer pipe bottom, suction of evapotranspiring
Gas agent obtains finished product；
Wherein, flange nozzle formula complete glass vacuum sun thermal-collecting tube is divided into varus flange nozzle formula complete glass vacuum sun thermal-collecting tube
With the flange nozzle formula complete glass vacuum sun thermal-collecting tube that turns up；
The structure of varus flange nozzle formula vacuum tube production mould includes upper mold and lower mold, and lower mold bottom connects first
Strut（8）, first support bar（8）Connecting plate is arranged in end（9）, connecting plate（9）Outside passes through fastener（10）Connection fixing block
（11）, fixed block（11）Sliding slot is arranged in outside（16）, exterior bottom the first bottom plate of setting（15）, the first bottom plate（15）Upper setting spiral shell
Pit（17）, sliding slot（16）Interior installation support plate（12）, support plate（12）Rubber body is fixed in outside（13）, support plate（12）
Adjusting bolt is arranged at bottom（14）, adjusting bolt（14）Mounted on threaded hole（17）It is interior；
The structure of flange nozzle formula complete glass vacuum sun thermal-collecting tube production mould of turning up includes upper mold and lower mold, upper mold
Including the second positioning table（22）, the second positioning table（22）One end is sequentially connected the first workbench（23）With the second workbench（24）,
Second positioning table（22）, the first workbench（23）With the second workbench（24）Between pass through bolt（26）With the second nut（21）Tightly
Gu lower mold includes corresponding second positioning table（22）The locating piece of setting（33）, locating piece（33）Mounted on forming blocks（27）On,
Forming blocks（27）Mounted on second support bar（20）On, second support bar（20）Mounted on rack（19）On, rack（19）Upper peace
Dress branch hold mode corresponding with upper mold and lower mold；
The inner tube material length of varus flange nozzle formula complete glass vacuum sun thermal-collecting tube is 5-7cm, and flange nozzle formula of turning up is complete
The inner tube material length of glass vacuum solar collector tubes is 3-4cm；
Getter is barium-aluminium getter.
2. the production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube according to claim 1, characterized in that interior
The film layer that pipe outer wall is plated is Al-N-Al film layers or Solder for Al-Cu Joint Welding-stainless steel film layer.
3. the production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube according to claim 1, it is characterised in that：
Support plate（12）Section be L-shaped, rubber body（13）Top surface is set as arcwall face, the die orifice that upper mold and lower mold are formed
Lower face and rubber body（13）Top surface peak is in same level.
4. the production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube according to claim 1 or 3, feature exist
In：Upper mold includes the first positioning table in the structure of varus flange nozzle formula vacuum tube production mould（18）And briquetting roller（6）, under
Mold corresponds to the first positioning table（18）Position block is set（5）, position block（5）Shaping mould is arranged in one end（7）, shaping mould（7）
Positioned at briquetting roller（6）Lower section, shaping mould（7）And position block（5）Pass through screw rod（4）Connection, screw rod（4）Mounted on mold rods
（2）It is interior, mold rods（2）Connect position block（5）, mold rods（2）Groove is arranged in end, and spring is installed in groove（3）, spring
（3）It is placed in screw rod（4）On, screw rod（4）End passes through the first nut（1）Fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018985.XA CN105669001B (en) | 2014-04-30 | 2014-04-30 | The production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018985.XA CN105669001B (en) | 2014-04-30 | 2014-04-30 | The production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube |
| CN201410181021.8A CN103992025B (en) | 2014-04-30 | 2014-04-30 | The production technique of flange mouth of pipe formula complete glass vacuum sun thermal-collecting tube |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410181021.8A Division CN103992025B (en) | 2014-04-30 | 2014-04-30 | The production technique of flange mouth of pipe formula complete glass vacuum sun thermal-collecting tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105669001A CN105669001A (en) | 2016-06-15 |
| CN105669001B true CN105669001B (en) | 2018-09-21 |
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| CN201610018985.XA Active CN105669001B (en) | 2014-04-30 | 2014-04-30 | The production technology of flange nozzle formula complete glass vacuum sun thermal-collecting tube |
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| Country | Link |
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| CN105669001A (en) | 2016-06-15 |
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