CN106939398A - A kind of wire tin plating technique and its tinning stack - Google Patents
A kind of wire tin plating technique and its tinning stack Download PDFInfo
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- CN106939398A CN106939398A CN201710308921.8A CN201710308921A CN106939398A CN 106939398 A CN106939398 A CN 106939398A CN 201710308921 A CN201710308921 A CN 201710308921A CN 106939398 A CN106939398 A CN 106939398A
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 237
- 238000007747 plating Methods 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000003792 electrolyte Substances 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 claims abstract description 52
- 239000011248 coating agent Substances 0.000 claims abstract description 37
- 238000000576 coating method Methods 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 238000000137 annealing Methods 0.000 claims abstract description 22
- 238000009730 filament winding Methods 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims description 38
- 230000007246 mechanism Effects 0.000 claims description 33
- 230000000881 depressing effect Effects 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 11
- 210000004027 cell Anatomy 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- GSJBKPNSLRKRNR-UHFFFAOYSA-N $l^{2}-stannanylidenetin Chemical compound [Sn].[Sn] GSJBKPNSLRKRNR-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/08—Tin or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
- C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
- C23C2/18—Removing excess of molten coatings from elongated material
- C23C2/185—Tubes; Wires
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/38—Wires; Tubes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
Abstract
The present invention proposes a kind of wire tin plating technique and a kind of wire tinning stack, and wire tin plating technique comprises the following steps：Unwrapping wire is carried out to coil of wire, and online annealing is carried out to wire；Wire after annealing is continued through to the tin plating water under molten condition；Wire is continued to pass through into annular air-brush center, blown off the unnecessary tin plating electrolyte glued in wire surface by annular air-brush, wire surface is applied and is covered with uniform tin coating；Tin metal silk is cooled down, and tin metal silk volume is made in the tin metal filament winding after cooling.The wire tinning stack of the present invention is used for the wire tin plating technique of the present invention.It is tin plating for the wire of noncircular cross section by the wire tin plating technique and wire tinning stack of the present invention, the tin metal silk that coating is evenly distributed and surface is smooth is can obtain, the default welding characteristic of the wire of noncircular cross section will not be lost.
Description
Technical field
The invention belongs to solar photovoltaic assembly material manufacture field, more particularly to a kind of wire tin plating technique and one kind
Wire tinning stack.
Background technology
At present, the tin metal silk of domestic market is main is made up of plating and hot-dip two ways.Wherein, using electricity
The tin metal silk any surface finish that electroplating method is obtained, tin coating is evenly distributed, and thickness is controllable, but its production cost is high, to environment
There is pollution.Simple, easy to operate, the low cost using conventional hot-dip process of tin method manufacturing process, but tin metal silk
On tin coating rough surface, it is in uneven thickness, cause its welding performance inconsistent, rosin joint phenomenon easily occur, if by this
Plant tin metal silk to be applied in solar photovoltaic assembly, will ultimately result in the solar cell by tin metal silk concatenation
Poor flow, does not reach expected power changing effect.The wire after hot-dip tin liquor is used to pass through before inventor tin plating
The method progress of mould is tin plating, and tin metal silk tin coating prepared by this method is relatively thin and uneven coating is even.And not rounded
The wire of tee section has exactly evaded that circular metal silk table area is relatively small and band tin amount causes coating less when causing tin plating
Partially thin and decentraction defect.
The content of the invention
To solve problem above, the present invention proposes a kind of wire tin plating technique, is noncircular cross section gold by the technique
Category silk is tin plating, can obtain the tin metal silk that coating is evenly distributed and surface is smooth, will not lose noncircular cross section wire
Default welding characteristic.
In order to achieve the above object, the present invention is solved using following technical scheme.
A kind of wire tin plating technique, comprises the following steps：
Step 02：Unwrapping wire is carried out to coil of wire, and online annealing is carried out to wire；
Step 04：Wire after annealing is continued through into the tin plating electrolyte under molten condition；
Step 06：Wire is continued to pass through to the center of annular air-brush, by annular air-brush by wire surface
Cover unnecessary tin plating electrolyte to blow off, apply wire surface and be covered with uniform tin coating；
Step 08：Tin metal silk is cooled down, and tin metal silk volume is made in the tin metal filament winding after cooling.
According to the wire tin plating technique of the present invention, it is soft that wire carries out annealing to it in unwrapping wire using online annealing
Change, the wire after annealing is continued through after the tin plating electrolyte of melting, wire surface can be stained with substantial amounts of tin plating electrolyte, formed tin plating
Layer, during wire passes through the center of annular air-brush, annular air-brush is in the range of 360 ° by viscous on the metal filament many
Remaining tin plating electrolyte blows back downwards molten tin bath, remaining tin plating electrolyte is uniformly distributed on the surface of wire, non-circular needed for being made with this
The tin metal silk in section, then cools down to tin metal silk, makes the tin coating coagulation forming in tin metal silk table face, most
The tin metal filament winding solidified is made to the tin metal silk volume be easy to deposit and transported afterwards.The tin plating work of wire of the present invention
Viscous unnecessary tin plating electrolyte on the metal filament is mainly blown back molten tin bath by skill by annular air-brush, be can obtain coating and is evenly distributed and surface
Smooth noncircular cross section tin metal silk, and tin layers are thicker, will not lose the default welding of the wire of noncircular cross section
Characteristic, carries out series welding available for solar cell block, can improve the welding peeling force of solar cell surface, be not in void
Phenomenon is welded, the power changing effect of solar photovoltaic assembly is greatly improved.
As preferred, also including step 03：Scaling powder is coated on the metal filament.
According to the wire tin plating technique of the present invention, scaling powder, which rises, is conducive to wire tin plating, it helps wire is plated
Being rapidly completed for tin process, can obtain plated layer compact, the tin metal that surface is smooth, welding performance is superior silk.
As preferred, in step 02, wire is annealed using the continuous tracking of short circuit.
According to the wire tin plating technique of the present invention, its mechanical property can be improved to wire online annealing, be can reach
Expected Results during welding photovoltaic component, and online annealing is annealed using the continuous tracking of short circuit, its annealing speed compares
It hurry up, efficiency comparison is high, it is adaptable to scale of mass production.
As preferred, constant-tension state is kept to transmit straight up in step 04, during wire pass-out tin plating electrolyte.
According to the wire tin plating technique of the present invention, by the wire of tin plating electrolyte when keeping transmitting straight up, its
The tin plating electrolyte on surface will not because tin liquor slide and caused by wire local surfaces tin plating electrolyte uneven thickness, from tin plating electrolyte pass-out gold
Need to make wire vertically exceptionally straight during category silk, can avoid causing tin plating electrolyte to slide because wire is rocked.
As preferred, in step 06, the annular air-brush makes the annular air-brush close to the surface of the tin plating electrolyte
Taper tin nest can be blown out on the surface of the tin plating electrolyte.
According to the wire tin plating technique of the present invention, when pot is left in the tin plating completion of wire, annular air-brush is close
Tin liquor surface and spray gas there is certain blast, the unnecessary tin plating electrolyte covered in wire surface can be blown off, really
Protect wire surface and form uniform tin coating.
As preferred, in step 08, cooling device is set in the top of the annular air-brush, filled by the cooling
Put and the tin coating on the surface of tin metal silk is cooled down..
According to the wire tin plating technique of the present invention, cooling device typically uses blower fan, and blower fan can enter to tin metal silk
Row quenching, makes the tin coating in tin metal silk table face coiled preceding with regard to hardening by cooling by coiling in tin metal silk, plates it
Tin layers are unaffected when tin metal silk is coiled by coiling.
The present invention also proposes a kind of wire tinning stack, for the wire tin plating technique described in any of the above, bag
Include：It is provided with thread depressing mechanism in frame, tin stove and annular air-brush, the frame and draws and take wheel, the thread depressing mechanism and described draws
Wheel is taken to be separately positioned on the bottom and top of the frame, the wire is from the bottom of the thread depressing mechanism around later again from institute
State and bypassed on the wheel face for drawing and take wheel；The tin stove is arranged on the bottom of the frame, the tin stove and is provided with molten tin bath, the tin
Tin plating electrolyte is loaded with groove, the thread depressing mechanism is stretched into the molten tin bath；The annular air-brush is horizontally set on the line-pressing machine
Structure and it is described draw take between wheel, the annular air-brush is connected with high-pressure gas pipeline, and the wire passes through the annular gas
The center of brush.
According to the wire tinning stack of the present invention, thread depressing mechanism and drawing takes and groove is both provided with wheel, and wire is from pressure
Groove on line mechanism takes the groove on wheel to lay out, the bottom of frame is additionally provided with tin stove, and thread depressing mechanism is located at after through drawing
In the molten tin bath that tin plating electrolyte is filled on tin stove, wire can be stained with tin plating electrolyte from thread depressing mechanism around out-of-date, will after tin plating electrolyte cooling
Form tin coating.Because wire is passed through in the middle part of annular air-brush, the unnecessary tin plating electrolyte covered in wire surface can be by annular gas
Brush is blown off, tin plating electrolyte is uniformly coated on the metal filament, and it is smooth, in uniform thickness tin plating to form surface after tin plating electrolyte cooling
Layer；Finally coating is can obtain to be evenly distributed, and the smooth noncircular cross section tin metal silk in surface, noncircular cross section will not be lost
Wire default welding characteristic.
As preferred, installing plate is vertically provided with above the tin stove, the installing plate is fixedly connected on the machine
On frame, the thread depressing mechanism is fixedly connected on the lower end of the installing plate, and the middle part of the installing plate is laterally fixed with air-brush and consolidated
Fixed board, the annular air-brush is fixed on the end of the air-brush fixed plate.
According to the wire tinning stack of the present invention, installing plate plays fixed support to thread depressing mechanism and air-brush fixed plate and made
With through annular air-brush after the completion of wire is tin plating, the gases at high pressure that annular air-brush sprays are unnecessary by what is glued in wire surface
Tin plating electrolyte is blown off, it is ensured that wire surface coats the uniformity of tin coating.
As preferred, the annular air-brush and it is described draw to take be provided with cooling device between wheel, the wire is passed through
The cooling device.
According to the wire tinning stack of the present invention, cooling device typically uses blower fan, and when wire is passed through, blower fan can be right
Cooling is blowed in it, make it is tin plating after wire surface tin coating before wire is coiled by coiling with regard to hardening by cooling, prevent
Wire after the only tin plating tin coating when coiled by coiling is affected.
It is used as preferred, the thread depressing mechanism, including fixed mount, the first fabric wheel and the second fabric wheel, first pressure
Line wheel and second fabric wheel are separately fixed at the two ends of the installing plate, and the wire bypasses first line ball respectively
The bottom of the wheel face of wheel and second fabric wheel, Go-over mould is provided between first fabric wheel and second fabric wheel
Tool, the wire has through the Go-over mould.
According to the wire tinning stack of the present invention, wire enters tin stove from the first fabric wheel left end and carries out tin plating, plating
Have during tin through Go-over mould, tin stove, the first line ball of fixed mount lower end are left through the second fabric wheel right-hand member after tin plating completion
Wheel and the second fabric wheel are horizontally disposed, and wire can be made to keep horizontality in tin stove, and metal is wiped off by Go-over mould tool
The residual flux that silk table face is carried, it is ensured that the surface quality of wire, enables wire smoothly tin plating.
Figure of description
The present invention is described in further details with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the step block diagram of the wire tin plating technique of the present invention；
Fig. 2 is a kind of structural representation of embodiment of the wire tinning stack of the present invention.
In fig. 2：1 frame；2 thread depressing mechanisms；201 installing plates；202 first fabric wheels；203 second fabric wheels；3 draw and take
Wheel；4 wires；5 tin stoves；501 molten tin baths；6 annular air-brush；7 fixed mounts；701 air-brush fixed plates；8 Go-over moulds have；9 blower fans.
Specific embodiment
In order to be able to be more clearly understood that the above objects, features and advantages of the present invention, with reference to second aspect present invention
A kind of tin plating work of wire that provides the embodiment of the first aspect of the present invention of the wire tin equipment that provides of embodiment
Skill is further described in detail.In any one of following embodiment, wire 4 selects copper wire.
With reference to Fig. 1 and Fig. 2, in step 02 to step 08, coil of wire is loaded into paying out machine and carries out unwrapping wire, in unwrapping wire
During to wire 4 carry out online annealing；Wire 4 after annealing is under the first fabric wheel 202 and the second fabric wheel 203
Side is bypassed, because the first fabric wheel 202 and the second fabric wheel 203 are stretched into the molten tin bath 501 on tin stove 5, and wire 4 is through the first pressure
The left end of line wheel 202 moves into molten tin bath, and through Go-over mould tool, the tin coating on tin metal silk table face is determined by Go-over mould tool
After type, molten tin bath is laid out through the right-hand member of the second fabric wheel 203, the tin plating electrolyte formation tin metal silk under molten condition is continued through；Plating
Tin metal filament winding, which is crossed, continues to pass through annular air-brush 6 after the second fabric wheel 203, by annular air-brush 6 by wire surface glue
Unnecessary tin plating electrolyte is blown off, is applied wire surface and is covered with uniform tin coating；Tin metal silk passed through and taken after cooling device from drawing
The top of wheel 3 is laid out, and is finally passed through coil winder and is turned to tin metal silk volume.
In the above-mentioned technical solutions, wire 4 directly continues to pass through an online annealing device in unwrapping wire and annealed
Softening, online annealing device can set different annealing temperatures according to the difference of the material of wire 4.Wire 4 after annealing connects
After the continuous tin plating electrolyte by melting, the surface of wire 4 can be stained with substantial amounts of tin plating electrolyte, form tin coating, and ring is passed through in wire 4
During shape air-brush 6, annular air-brush 6 can will be bonded at unnecessary tin plating electrolyte on wire 4 in the range of 306 ° and blow back molten tin bath downwards
501, make remaining tin plating electrolyte uniform in the surface distributed of wire 4, then wire 4 is cooled down again, makes the surface of wire 4
Tin coating coagulation forming, finally again will be tin plating after wire 4 turn to be easy to deposit and transport tin metal silk volume.This
The wire tin plating technique of invention is mainly blown off the unnecessary tin plating electrolyte glued in wire surface by annular air-brush 6, makes metal
Silk table face applies and is covered with uniform tin coating, can obtain on the tin metal silk that coating is evenly distributed and surface is smooth, its side wall
Each plane or the welding performance of curved surface are consistent, will not lose the default welding characteristic of the wire of noncircular cross section, can be used for
Series welding is carried out to solar cell block, the welding peeling force of solar cell surface can be improved, be not in rosin joint phenomenon, can be big
The big power changing effect for improving solar photovoltaic assembly.
According to an embodiment of the present, also including step 03：Scaling powder is coated on wire 4.
In the embodiment above, scaling powder is conducive to wire 4 tin plating, it helps the tin plating process of wire 4 it is quick
Complete, can obtain the tin metal silk that coating is close, surface is smooth, welding performance is superior.
According to an embodiment of the present, in step 02, wire 4 is annealed using the continuous tracking of short circuit.
In the embodiment above, its mechanical property can be improved to the online annealing of wire 4, can reach in photovoltaic module weldering
Expected Results in termination process, and online annealing is annealed using the continuous tracking of short circuit, its annealing speed is than very fast, efficiency comparison
It is high, it is adaptable to scale of mass production.
According to an embodiment of the present, constant-tension state is kept to erect in step 04, during 4 pass-out tin plating electrolyte of wire
Directly it is communicated up.
In the embodiment above, by the wire 4 of tin plating electrolyte when keeping straight up, the tin plating electrolyte on its surface will not
Because tin liquor slides and caused by the local surfaces tin plating electrolyte uneven thickness of wire 4, need during pass-out wire 4 to make gold from tin plating electrolyte
Belong to silk 4 vertical exceptionally straight, can avoid causing tin plating electrolyte to slide because being rocked wire 4.
According to an embodiment of the present, in step 06, annular air-brush 6 makes annular gas close to the surface of tin plating electrolyte
Brush 6 can blow out taper tin nest on the surface of tin plating electrolyte.
In the embodiment above, when pot is left in the tin plating completion of wire 4, annular air-brush 6 is close to tin plating electrolyte surface
And ejection gas has certain air pressure, the unnecessary tin plating electrolyte glued on the surface of wire 4 can be blown off, prevented excess
Tin plating electrolyte is taken out of, it is ensured that tin coating it is uniform.
According to an embodiment of the present, in step 08, cooling device is set in the top of annular air-brush 6, passed through
Cooling device is cooled down to the tin coating on the surface of tin metal silk..
In the embodiment above, cooling device typically uses blower fan 9, and cooling can be blowed to tin metal silk in blower fan 9,
Make the tin coating in tin metal silk table face coiled preceding with regard to hardening by cooling by coiling in tin metal silk, make its tin coating in plating Sillim
Category silk by coiling it is coiled when be unaffected.
The embodiment of the second aspect of the present invention provides a kind of wire tin equipment, the wire for any of the above
Tin plating technique, including：It is provided with thread depressing mechanism 2 in frame 1, tin stove 5 and annular air-brush 6, frame 1 and draws and takes wheel 3, thread depressing mechanism
2 and draw the bottoms and top for taking wheel 3 to be separately positioned on frame 1, wire 4 is taken from drawing again from the bottom of thread depressing mechanism 2 around later
The top of the wheel face of wheel 3 is bypassed；Tin stove 5, which is arranged on the bottom of frame 1, tin stove 5, is provided with molten tin bath 501, is contained in molten tin bath 501
There is tin plating electrolyte, thread depressing mechanism 2 is stretched into molten tin bath 501；Annular air-brush 6 is horizontally set on thread depressing mechanism 2 and draws to take and takes turns between 3, ring
Shape air-brush 6 is connected with high-pressure gas pipeline, and wire 4 passes through the center of annular air-brush 6.
In the embodiment above, thread depressing mechanism 2 and drawing to take and be both provided with groove on wheel 3, and wire 4 is from thread depressing mechanism 2
Groove after, take the groove on wheel 3 to lay out through drawing, the bottom of frame 1 is additionally provided with tin stove 5, thread depressing mechanism 2 is located at tin stove
Filled on 5 in the molten tin bath 501 of tin plating electrolyte, wire 4 can be stained with tin plating electrolyte from thread depressing mechanism 2 around out-of-date, will after tin plating electrolyte cooling
Form tin coating.Because wire 4 is passed through in the middle part of annular air-brush 6, the unnecessary tin plating electrolyte glued on the surface of wire 4 can be by annular gas
Brush 6 is blown off, tin plating electrolyte is uniformly coated on wire 4, and it is smooth, in uniform thickness tin plating to form surface after tin plating electrolyte cooling
Layer；Finally coating is can obtain to be evenly distributed, and the smooth noncircular cross section tin metal silk in surface, noncircular cross section will not be lost
Wire 4 default welding characteristic.
According to an embodiment of the present, the top of tin stove 5 is vertically provided with installing plate 7, and installing plate 7 is fixedly connected on
In frame 1, thread depressing mechanism 2 is fixedly connected on the lower end of installing plate 7, and the middle part of installing plate 7 is laterally fixed with air-brush fixed plate
701, annular air-brush 6 is fixed on the end of air-brush fixed plate 701.
In the embodiment above, installing plate 7 play fixed supporting role to thread depressing mechanism 2 and air-brush fixed plate 701, wire
4 it is tin plating after the completion of be connected with gases at high pressure through annular air-brush 6, annular air-brush 6, the gases at high pressure of ejection are by the surface of wire 4
Viscous unnecessary tin plating electrolyte is blown off, it is ensured that the surface of wire 4 coats the uniformity of tin coating.It can be set between installing plate 7 and frame 1
Elevating mechanism, elevating mechanism can will adjust the height of installing plate 7.Water also can be set between annular air-brush 6 and air-brush fixed plate 701
Prosposition moves governor motion, the horizontal level of the adjustable annular air-brush 6 of horizontal displacement governor motion, it is ensured that wire 4 passes through annular
The center of air-brush 6.
With reference to Fig. 2, according to an embodiment of the present, annular air-brush 6 and drawing is provided with cooling device between taking wheel 3,
Wire 4 passes through cooling device.
In the embodiment above, cooling device typically uses blower fan 9, it is tin plating after wire when passing through, blower fan 9 can be to it
Cooling is blowed, make it is tin plating after the surface of wire 4 tin coating before wire 4 is coiled by coiling with regard to hardening by cooling, prevent
Wire 4 after the only tin plating tin coating when coiled by coiling is affected.
With reference to Fig. 2, according to an embodiment of the present, thread depressing mechanism 2, including fixed mount 201, the first fabric wheel 202
With the second fabric wheel 203, the first fabric wheel 202 and the second fabric wheel 203 are separately fixed at the two ends of fixed mount 201, wire 4
The bottom of the wheel face of the first fabric wheel 202 and the second fabric wheel 203, the first fabric wheel 202 and the second fabric wheel 203 are bypassed respectively
Between be provided with Go-over mould tool 8, wire 4 through Go-over mould tool 8.
In the embodiment above, carried out during wire 4 is from the left end of the first fabric wheel 202 into the molten tin bath 501 of tin stove 5 tin plating
Operation, it is tin plating during wire 4 through Go-over mould tool 8, it is tin plating after the completion of wire 4 left through the right-hand member of the second fabric wheel 203
Molten tin bath 501, the first fabric wheel 202 and the second fabric wheel 203 of the lower end of fixed mount 201 is horizontally disposed, can make wire 4 in tin
Horizontality is kept in stove, having 8 by Go-over mould wipes the residual flux that the surface of wire 4 is carried off, it is ensured that the table of wire 4
Face quality, enables wire 4 smoothly tin plating.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and modification of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of wire tin plating technique, it is characterised in that comprise the following steps：
Step 02：Unwrapping wire is carried out to coil of wire, and online annealing is carried out to wire；
Step 04：Wire after annealing is continued through into the tin plating electrolyte under molten condition；
Step 06：Wire is continued to pass through to the center of annular air-brush, will be covered by annular air-brush in wire surface
Unnecessary tin plating electrolyte blow off, make wire surface apply be covered with uniform tin coating；
Step 08：Tin metal silk is cooled down, and tin metal silk volume is made in the tin metal filament winding after cooling.
2. wire tin plating technique according to claim 1, it is characterised in that also including step 03：Apply on the metal filament
Cover scaling powder.
3. wire tin plating technique according to claim 1, it is characterised in that in step 02, to wire using short
Road continuously tracks annealing.
4. wire tin plating technique according to claim 1, it is characterised in that in step 04, wire pass-out is tin plating
Constant-tension state is kept to transmit straight up during liquid.
5. wire tin plating technique according to claim 1, it is characterised in that in step 06, the annular air-brush is leaned on
The surface of the nearly tin plating electrolyte, enables the annular air-brush to blow out taper tin nest on the surface of the tin plating electrolyte.
6. wire tin plating technique according to claim 1, it is characterised in that in step 08, in the annular air-brush
Top set cooling device, the tin coating in tin metal silk table face is cooled down by the cooling device.
7. a kind of wire tinning stack, for the wire tin plating technique any one of claim 1 to 6, its feature
It is, including：
Thread depressing mechanism (2) is provided with frame (1), the frame (1) and is drawn and takes wheel (3), the thread depressing mechanism (2) and described is drawn
Wheel (3) is taken to be separately positioned on the bottom and top of the frame (1), bottom of the wire (4) from the thread depressing mechanism (2)
Bypassed again from the top of the wheel face for drawing and taking wheel (3) around later；
Tin stove (5), the tin stove (5) is arranged on the bottom of the frame (1), the tin stove (5) and is provided with molten tin bath (501),
Tin plating electrolyte is loaded with the molten tin bath (501), the thread depressing mechanism (2) is stretched into the molten tin bath (501)；
Annular air-brush (6), the annular air-brush (6) be horizontally set on the thread depressing mechanism (2) and it is described draw take between wheel (3),
The annular air-brush (6) is connected with high-pressure gas pipeline, and the wire (4) passes through the centre bit of the annular air-brush (6)
Put.
8. wire tinning stack according to claim 7, it is characterised in that the top of the tin stove (5) is vertically arranged
There is installing plate (7), the installing plate (7) is fixedly connected in the frame (1), and the thread depressing mechanism (2) is fixedly connected on institute
The lower end of installing plate (7) is stated, the middle part of the fabric wheel installing plate (7) is laterally fixed with air-brush fixed plate (701), the annular
Air-brush (6) is fixed on the end of the air-brush fixed plate (701).
9. wire tinning stack according to claim 8, it is characterised in that the annular air-brush (6) and it is described draw take
Cooling device is provided between wheel (3), the wire (4) passes through the cooling device.
10. wire tinning stack according to claim 8, it is characterised in that the thread depressing mechanism (2) includes fixed mount
(201), the first fabric wheel (202) and the second fabric wheel (203), first fabric wheel (202) and second fabric wheel
(203) two ends of the fixed mount (201) are separately fixed at, the wire (4) bypasses first fabric wheel (202) respectively
With the bottom of the wheel face of second fabric wheel (203), first fabric wheel (202) and second fabric wheel (203) it
Between be provided with Go-over mould tool (8), the wire (4) through the Go-over mould tool (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308921.8A CN106939398A (en) | 2017-05-04 | 2017-05-04 | A kind of wire tin plating technique and its tinning stack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308921.8A CN106939398A (en) | 2017-05-04 | 2017-05-04 | A kind of wire tin plating technique and its tinning stack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908307A (en) * | 2022-05-16 | 2022-08-16 | 赣州西维尔金属材料科技有限公司 | Copper line tinning equipment with automatic heating function |
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Application publication date: 20170711 |