CN109609735B - Welding strip annealing device and annealing method - Google Patents
Welding strip annealing device and annealing method Download PDFInfo
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- CN109609735B CN109609735B CN201910131988.8A CN201910131988A CN109609735B CN 109609735 B CN109609735 B CN 109609735B CN 201910131988 A CN201910131988 A CN 201910131988A CN 109609735 B CN109609735 B CN 109609735B
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- 238000000137 annealing Methods 0.000 title claims abstract description 112
- 238000003466 welding Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000012266 salt solution Substances 0.000 claims abstract description 58
- 239000011521 glass Substances 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 abstract description 21
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 10
- 229910000679 solder Inorganic materials 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 238000003490 calendering Methods 0.000 description 3
- 238000004049 embossing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/40—Direct resistance heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/62—Continuous furnaces for strip or wire with direct resistance heating
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper 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
- C23C2/04—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
- C23C2/34—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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses a welding strip annealing device which comprises a box body, wherein an upper annealing wheel, a glass tube, a salt solution tank and a passive wire passing wheel are arranged in the box body, the lower end of the glass tube stretches into the salt solution tank, and the passive wire passing wheel is arranged in the salt solution tank. The annealing method is characterized in that based on the welding strip annealing device, a salt solution is filled in a salt solution tank, an upper annealing wheel is used as an anode, the salt solution is used as a cathode, a welding strip wire enters a glass tube through the upper annealing wheel, and then the welding strip wire is immersed in the salt solution through the glass tube; and electrifying and pressurizing the anode of the upper annealing wheel and the cathode of the salt solution at two ends of the welding strip wire, and heating the welding strip wire to finish annealing. The annealing device and the annealing method solve the problems that the welding strip is unstable in contact, easy to slip and easy to strike fire; meanwhile, the stress of the cycloid mechanism on the welding belt wire rod is reduced, and higher voltage can be applied to the two ends of the electrode, so that the annealing is more sufficient, and the yield strength of the wire rod is effectively reduced.
Description
Technical Field
The invention relates to the technical field of annealing, in particular to a welding strip annealing device and a welding strip annealing method, which are mainly applicable to triangular, round, embossing, reflective welding strips and the like.
Background
The photovoltaic solder strip is mainly an important solder material in the production process of the solar cell, and plays a role in connection and conduction. The quality of the welding strip directly affects the high power of the photovoltaic module, and the main process is that the wire rod is subjected to wire drawing and calendaring processing, and the surface is subjected to tin coating and other links. In the processing technology processes of cold rolling and the like, the wire generates stress, the strength of the wire is increased by cold working hardening, and the wire directly enters a tin furnace to be subjected to surface tin coating treatment, so that the wire can be deformed or twisted, and therefore, the stress of the wire is eliminated by adopting an annealing mode, and the strength of the wire is reduced.
At present, when the solar photovoltaic welding strip is produced, the main annealing mode is upper and lower annealing wheel type resistance annealing, and the whole flow is as follows: after the wire is rolled out from the rolling mechanism, the wire passes through an upper annealing wheel which is used as a positive electrode of an annealing end, a lower annealing wheel is placed in a water tank and used as a negative electrode, and a swinging rod is added between the upper annealing wheel and the lower annealing wheel to adjust the speed of the lower annealing wheel. And after annealing, directly cooling, and adjusting the speed of the tin furnace driving wheel by adding a swinging rod between the lower annealing wheel and the tin furnace driving wheel.
However, if the annealing mode is adopted for the welding belts such as triangle, round, embossing, reflecting and the like, the swing rod and the driving wheel through which the wire passes are most, the welding belts are unstable in contact with the surface of the lower annealing wheel, and phenomena such as slipping and ignition are easy to occur. In addition, obvious tension is formed on the soft wire rod in the annealing area in the high-speed production process, so that the wire rod is stretched and deformed due to stress, the resistance is increased, and the wire rod is easy to overheat and blow; on the other hand, the voltage at the two ends of the electrode cannot be increased, the annealing is insufficient, and the yield strength of the wire cannot be well reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a welding strip annealing device which is suitable for annealing welding strips such as triangles, circles, embossments, reflective shapes and the like, reduces cycloid mechanisms and can solve the problems of unstable contact, easy slipping and easy ignition of the welding strips; meanwhile, the stress of the welding strip wire can be reduced, and the yield strength of the wire is reduced.
The invention also aims to provide a welding strip annealing method which is suitable for annealing welding strips such as triangles, circles, embossments and light reflection, and the method adopts supersaturated salt solution as a negative electrode, so that wires can be immersed in the salt solution and well contacted with the negative electrode, and the problems of slipping and ignition caused by unstable contact between the welding strip wires and the negative electrode can be effectively solved.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme.
The technical scheme is as follows:
a solder strip annealing device comprising: the box, be provided with annealing wheel, glass pipe, salt solution pond, passive wire passing wheel in the box, the lower extreme of glass pipe stretches into in the salt solution pond, passive wire passing wheel set up in the salt solution pond.
The first technical scheme of the invention has the characteristics and further improvement that:
preferably, a pass wheel is provided between the upper annealing wheel and the upper end of the glass tube.
Preferably, the salt solution pool is filled with saturated salt solution.
Preferably, the passive wire passing wheel is lower than the lower end of the glass tube.
Preferably, an end cover is arranged at the upper end of the glass tube, and an air inlet and a wire inlet are respectively arranged on the end cover.
Preferably, the passing wheel and the passive wire passing wheel are symmetrically arranged relative to the vertical center line of the glass tube.
Further preferably, a right end vertical tangent line of the passing wheel and a left end vertical tangent line of the passive passing wheel are respectively overlapped with a vertical central line of the glass tube.
The second technical scheme is as follows:
based on the welding strip annealing device, the salt solution is filled in the salt solution tank, the upper annealing wheel is used as an anode, the salt solution is used as a cathode, and a welding strip wire enters a glass tube through the upper annealing wheel and then is immersed into the salt solution through the glass tube; and electrifying and pressurizing the anode of the upper annealing wheel and the cathode of the salt solution at two ends of the welding strip wire, and heating the welding strip wire to finish annealing.
Preferably, the salt solution is a saturated salt solution.
Further preferably, the saturated salt solution is a saturated salt solution.
Compared with the prior art, the invention has the beneficial effects that:
the welding strip annealing device reduces cycloid mechanisms in the conventional annealing device, replaces a cooling water tank in the conventional annealing device with a saline solution tank and replaces a lower annealing wheel with a passive wire passing wheel, so that the problems of unstable contact, easy slipping and easy ignition of a welding strip are solved; meanwhile, the stress of the cycloid mechanism on the welding belt wire rod is reduced, and the yield strength of the wire rod is effectively reduced.
In addition, the welding strip annealing method takes the salt solution in the salt solution tank as the negative electrode, so that the wire rod is effectively immersed in the salt solution and is in good contact with the negative electrode, the problems of slipping and ignition caused by unstable contact between the welding strip wire rod and the negative electrode are effectively solved, and higher voltage can be applied to the two ends of the electrode, so that the annealing is more sufficient, and the yield strength of the wire rod is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a solder strip annealing device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a conventional annealing apparatus;
fig. 3 is a schematic structural view of a solution annealing machine for annealing by using the ribbon annealing apparatus of the present invention.
In fig. 1-3 above: 1, a box body; 2, an annealing wheel is arranged on the upper part; 3, a glass tube; 4 a salt solution tank; 5, a passive wire passing wheel; 6, passing through a wheel; 7, paying-off mechanism; 8, a calendaring mechanism; 9 tin plating mechanism; 10 a winding mechanism; 11 cycloid mechanism; 111 swing rods; 112 driving wheels; 12 lower annealing wheels; 13 cooling water tank.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 2, fig. 2 is a conventional ribbon annealing apparatus including an upper annealing wheel 2 and a lower annealing wheel 12 provided in a cooling water tank 13, the upper annealing wheel 2 and the lower annealing wheel 12 respectively serve as positive and negative electrodes during annealing, a cycloid mechanism 11 is provided between the upper annealing wheel 2 and the lower annealing wheel 12, a swing link 111 and a driving wheel 112 in the cycloid mechanism 11 are in a majority, and the swing link 111 can perform speed adjustment on the lower annealing wheel 12. When the welding strip wires such as triangles, circles, embossments and light reflection are adopted by the conventional welding strip annealing device, the welding strip wires are easy to contact with the surface of the lower annealing wheel 12 unstably due to too many swinging rods 111 and driving wheels 112 through which the welding strip wires pass, and slipping, ignition and the like are easy to occur. In addition, obvious tension is formed on the soft wire rod in the annealing area in the high-speed production process, so that the wire rod is stretched and deformed due to stress, the resistance is increased, and the wire rod is easy to overheat and blow; on the other hand, the two ends of the positive electrode and the negative electrode cannot be applied with higher voltage, and the annealing is insufficient, so that the yield strength of the wire cannot be well reduced.
In view of the foregoing problems, referring to fig. 1, an embodiment of the present invention provides a solder strip annealing device, including: the device comprises a box body 1, wherein an upper annealing wheel 2, a glass tube 3, a salt solution tank 4 and a passive wire passing wheel 5 are arranged in the box body 1, the lower end of the glass tube 3 stretches into the salt solution tank 4, and the passive wire passing wheel 5 is arranged in the salt solution tank 4.
Compared with a conventional annealing device, the embodiment of the invention reduces the cycloid mechanism 11 in the conventional annealing device (figure 2), simultaneously replaces the cooling water tank 13 in the conventional annealing device with the saline solution tank 4 and replaces the lower annealing wheel 12 with the passive wire passing wheel 5, thereby solving the problems of unstable contact, easy slipping and easy ignition of a welding strip; meanwhile, the stress of the cycloid mechanism 11 on the welding belt wire is reduced, and the yield strength of the wire is effectively reduced.
In the above embodiment, the passing wheel 6 is provided between the upper annealing wheel 2 and the upper end of the glass tube 3, and the passing wheel 6 is only used for changing the path of the welding strip wire so as to smoothly enter the glass tube 3.
In the above embodiment, the passive wire passing wheel 5 is lower than the lower end of the glass tube 3, so that the solder strip wire can smoothly pass through the passive wire passing wheel 5 and led out of the annealing device after passing through the glass tube 3, and the next process is performed.
In the above embodiment, the upper end of the glass tube 3 is provided with an end cover, and the end cover is provided with an air inlet and a wire inlet respectively; nitrogen is introduced into the glass tube 3 through the air inlet, so that the glass tube 3 is filled with nitrogen, and the welding strip wire heated by annealing is prevented from being oxidized.
In the above embodiment, the idler wheel 6 and the passive wire passing wheel 5 are arranged symmetrically with respect to the vertical center line of the glass tube 3. And further, the right end vertical tangent line of the passing wheel 6 and the left end vertical tangent line of the passive wire passing wheel 5 are respectively overlapped with the vertical center line of the glass tube 3. Therefore, the welding strip wire can vertically run in the glass tube 3, and phenomena such as overheating and breakage of the welding strip wire caused by uneven stress are prevented.
The embodiment of the invention also provides a welding strip annealing method based on the welding strip annealing device. In the above-mentioned solder strip annealing device, the salt solution tank 4 is filled with a salt solution, wherein the salt solution is a saturated salt solution, and in this embodiment, a saturated salt solution is used. The upper annealing wheel 2 is used as a positive electrode, saturated salt solution is used as a negative electrode, and a welding strip wire enters the glass tube 3 through the upper annealing wheel 2 and then is immersed into the saturated salt solution through the glass tube 3; the positive electrode of the upper annealing wheel 2 and the negative electrode of the saturated salt solution are electrified and pressurized at the two ends of the welding strip wire, and the welding strip wire is heated, so that the annealing process is completed.
By adopting the method, the wire rod can be effectively immersed into the salt solution to generate good contact with the negative electrode, and the problem of slipping and ignition caused by unstable contact between the welding strip wire rod and the negative electrode is effectively solved. In addition, as the saturated salt solution is used as the negative electrode, higher voltage can be applied to the two ends of the electrode, the heating of the wire rod is improved, and the annealing time is prolonged, so that the annealing is more sufficient, and the yield strength of the wire rod is effectively reduced. Experiments prove that the method can improve the voltage at the two ends of the positive electrode and the negative electrode by about 5 percent.
Specifically, referring to fig. 3, the circular solder strip is processed specifically according to the following method:
the first step: unreeling by adopting an unreeling mechanism 7, wherein the diameter of the welding strip wire is 0.1-0.5 mm;
and a second step of: after the wire rod comes out of the paying-off mechanism 7, the wire rod passes through the calendaring mechanism 8, is wound on a driving wheel in the annealing device, namely the upper annealing wheel 2 for three circles, and is compacted by an air cylinder to prevent slipping;
and a third step of: the wire rod does not pass through the cycloid mechanism 11 in the original annealing device any more, but directly enters the glass tube 3, and the glass tube 3 is filled with nitrogen gas to prevent the wire rod heated by annealing from being oxidized;
fourth step: immersing the wire rod into a saturated salt solution cathode, electrifying and pressurizing the anode of the upper annealing wheel 2 and the saturated salt solution cathode at two ends of the wire rod, and heating the wire rod to finish annealing;
fifth step: the annealed wire rod passes through a passive wire passing wheel 5 in a salt solution tank 4, and is subjected to a cleaning and air drying mechanism, and an air knife dries the wire rod after the surface of the wire rod is cleaned, and the annealing wire speed is controlled through a swinging rod 111;
sixth step: after entering a soldering flux groove of a tin plating mechanism 9, the wire enters a press roller of a tin furnace, and the press roller is lowered into the tin furnace when the machine is started, and the tin plating is completed at 220 ℃;
seventh step: after passing through the wire storage rack, the wire is wound by a winding mechanism 10 through a main line speed driving wheel.
Through actual detection, the finished product is annealed smoothly, the yield strength of the finished product can be stabilized at about 65MPa, and the conventional annealing device is adopted for annealing operation, so that the yield strength of the finished product is 78-80MPa, and the yield strength of the finished product can be obviously further reduced by adopting the method disclosed by the invention.
It should be noted that the annealing device and the annealing method provided above can be adopted for the welding strips such as triangle, embossing, reflective, etc., so as to solve the problems of unstable contact, easy slipping and easy ignition of the welding strips, and achieve the purpose of reducing the yield strength of the wire rod.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A ribbon annealing method, based on annealing with a ribbon annealing apparatus comprising:
the device comprises a box body, wherein an upper annealing wheel, a glass tube, a salt solution tank and a passive wire passing wheel are arranged in the box body, the lower end of the glass tube stretches into the salt solution tank, and the passive wire passing wheel is arranged in the salt solution tank;
a passing wheel is arranged between the upper annealing wheel and the upper end of the glass tube;
the salt solution pool is filled with saturated salt solution;
the passive wire passing wheel is lower than the lower end of the glass tube;
an end cover is arranged at the upper end of the glass tube, and an air inlet and a wire inlet are respectively arranged on the end cover;
the passing wheel and the passive wire passing wheel are symmetrically arranged left and right relative to the vertical central line of the glass tube;
the right end vertical tangent line of the passing wheel and the left end vertical tangent line of the passive wire passing wheel are respectively overlapped with the vertical central line of the glass tube;
the method comprises the following steps:
the salt solution pool is filled with salt solution, the upper annealing wheel is used as an anode, the salt solution is used as a cathode, and the welding strip wire enters a glass tube through the upper annealing wheel and then is immersed into the salt solution through the glass tube; and electrifying and pressurizing the anode of the upper annealing wheel and the cathode of the salt solution at two ends of the welding strip wire, and heating the welding strip wire to finish annealing.
2. The ribbon annealing method according to claim 1, wherein the salt solution is a saturated salt solution.
3. The ribbon annealing method according to claim 2, wherein the saturated salt solution is a saturated salt solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910131988.8A CN109609735B (en) | 2019-02-22 | 2019-02-22 | Welding strip annealing device and annealing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131988.8A CN109609735B (en) | 2019-02-22 | 2019-02-22 | Welding strip annealing device and annealing method |
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| CN109609735A CN109609735A (en) | 2019-04-12 |
| CN109609735B true CN109609735B (en) | 2023-12-22 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110229954B (en) * | 2019-06-28 | 2024-08-13 | 西安泰力松新材料股份有限公司 | Welding strip wire annealing system and annealing method |
| CN110280585B (en) * | 2019-07-31 | 2024-06-18 | 西安泰力松新材料股份有限公司 | Calendering equipment of sectional type triangular welding strip |
| CN111403559A (en) | 2020-04-13 | 2020-07-10 | 浙江晶科能源有限公司 | Photovoltaic series welding machine and photovoltaic welding strip processing method |
| CN114807585A (en) * | 2022-06-28 | 2022-07-29 | 常州九天新能源科技有限公司 | Ultra-thin welding strip annealing equipment for laminated tile assembly |
| CN117363880B (en) * | 2023-10-12 | 2024-02-27 | 宿州巨仁光伏材料有限公司 | Heat treatment equipment and method for improving yield performance of photovoltaic solder strip |
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| TWI567842B (en) * | 2015-10-07 | 2017-01-21 | 樂金股份有限公司 | Graphene coated silver alloy wire and methods for manufacturing the same |
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