CN206296319U - A kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line - Google Patents
A kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line Download PDFInfo
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- CN206296319U CN206296319U CN201621409540.6U CN201621409540U CN206296319U CN 206296319 U CN206296319 U CN 206296319U CN 201621409540 U CN201621409540 U CN 201621409540U CN 206296319 U CN206296319 U CN 206296319U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line, belongs to solar cell module welding material production line technology field, it is characterised in that：Including feed mechanism, pre- drawing mechanism, calender system, drawing mechanism, annealing mechanism, drying mechanism, rolling-up mechanism, the calender system front end is provided with some limited rollers one, some limited rollers about one interlock tangent branch, the annealing mechanism includes annealing wheel one successively, contact roller, protection pipe, water tank two, annealing wheel two, dehydrater, the protection pipe lower end is located inside water tank two, and be in contact with the cooling water in water tank two, the annealing wheel two is located inside water tank two, the drying mechanism includes pipe, airduct and air blower, the copper bandlet passes through whole pipe.The steady and practical purpose of reasonable in design, high working efficiency, each work step transition is reached.
Description
Technical field
The utility model is related to a kind of solar cell module welding material production line, specially a kind of photovoltaic welding belt to conflux
Band special purpose copper bandlet production line.
Background technology
Production technology species is various in current photovoltaic welding belt manufacturing, but photovoltaic welding belt convergent belt special purpose copper on the whole
Bandlet moulding process mainly has cutting and copper wire to suppress two major classes.
The production technology of the copper wire press process photovoltaic welding belt main work step such as including calendering, drawing and annealing, according to specific
Processing conditions and processing request, also including the drying after the advance drawing to copper wire, multiple calendering, annealing, last closing quotation
Played etc. step, current medium-sized and small enterprises, for the production and processing of photovoltaic welding belt convergent belt special purpose copper bandlet, are by cylindric copper first
After silk is copper strips through calender device calendering, closing quotation operation is carried out by closing quotation device, by copper strips harvest copper strip roll, then by car
Between between logistics transportation to another job shop carry out next step annealing process when, by annealing furnace with to copper strips
Made annealing treatment, closing quotation treatment is being carried out to it afterwards.There is separate situation between the work step of each production, cause logistics
Cost and warehousing charge are greatly increased, the processing every time to copper bandlet woollen for yield all waste material occurs in the presence of start early stage
Situation, production efficiency and product quality be not high, and in closing quotation operation repeatedly, can apply certain pulling force to copper strips,
Greatly reduce the yield strength of copper strips.
Copper bandlet is most basic also with regard to the raw material of most critical, the quality of copper bandlet quality in the manufacture of photovoltaic industry equipment
The superior of photovoltaic apparatus assembly property is directly connected to, the utilization ratio of the photovoltaic apparatus energy and making for equipment is particularly relevant to
Use the life-span.So a kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line realizes the one-shot forming of product, a point multiple is reduced
Time, manpower, place, the loss of raw material that work step brings, further improve finished product photovoltaic welding belt convergent belt special purpose copper bandlet
Quality.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide for a kind of reasonable in design, work
Make the steady and practical photovoltaic welding belt convergent belt special purpose copper bandlet production line of efficiency high, each work step transition, it is above-mentioned to solve
The problem proposed in background technology.
To achieve the above object, the utility model provides following technical scheme to realize：
A kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line, it is characterised in that：Including feed mechanism, pre- drawbench
Structure, calender system, drawing mechanism, annealing mechanism, drying mechanism, rolling-up mechanism, the feed mechanism include spacing ring and are located at
The feeding roller of spacing ring upper end, the pre- drawing mechanism includes the drawing mouthful, driving wheel one, the driven pulley one that set gradually,
The calender system front end is provided with some limited rollers one, and some limited rollers interlock tangent branch about one,
The calender system is disposed with runner, worm and gear, upper pressure roller and lower compression roller, the runner and worm and gear from top to down
The connection of upper end turbine, upper pressure roller is connected with the lower end worm screw of turbine and worm, and the vertical of upper pressure roller is adjusted with rotating for runner
Highly, the calender system also includes being sequentially connected the laser width finding device one of setting, tightening regulator one, deburring dress
Put, the laser width finding device one is located at the rear end of upper and lower pressure roller, the upper end of the tightening regulator one is provided with oil cylinder, under
End is provided with tensioning wheel one, is moved up and down by oil cylinder and drives tensioning wheel one to move up and down come the regulation for realizing being tensioned, the drawing
Drawing machine structure includes directive wheel, drawing mouthful two, driving wheel two, driven pulley two, tightening regulator two successively, under the drawing mouthful two
End is provided with water tank one, and the water tank one is connected with water pump, and the water pump is connected with outlet pipe, and the annealing mechanism includes successively
Annealing wheel one, contact roller, protection pipe, water tank two, annealing wheel two, dehydrater, the protection pipe lower end are located inside water tank two, and
It is in contact with the cooling water in water tank two, the annealing wheel two is located inside water tank two, the drying mechanism includes pipe, airduct
And air blower, the copper bandlet passes through whole pipe, and the air blower is connected using airduct with pipe, the rolling-up mechanism according to
It is secondary including laser width finding device two, line concentrator, take-up, the height of the height higher than take-up of the line concentrator.
By using above-mentioned technical proposal：By to the reverse of required product photovoltaic welding belt convergent belt special purpose copper bandlet specification
Progressively calculate and drew before calender system is entered, the specification of required copper wire raw material will be by feed mechanism using pre- drawing mechanism
The copper wire raw material that comes of conveying carries out preliminary drawing, by set pre- drawing mechanism can using a kind of larger copper wire of specification come
The photovoltaic welding belt convergent belt special purpose copper bandlet of plurality of specifications is produced, some limited rollers one that the calender system front end is set can
To play fixed position-limiting action to the copper wire before calendering, oblique pressure during due to calendering is prevented so that copper wire displacement, the laser
Surveying device wide one and burr remover can carry out a measurement and rebuild to the semi-finished product after calendering, it is ensured that per pass calendering procedure
All meet the calculating requirement of pre-selection, the drawing mouthful two of drawing mechanism is last whole for copper bandlet together on whole production line
Repair, a power for drawing backward is applied using the driving wheel of its rear end, annealing mechanism is powered flat to copper using annealing wheel one, two
Band heating, the protection pipe in the through water tank of middle setting prevents it from aoxidizing, and the structural behaviour of product is improve after annealing, then pass through
Dehydrater, by the globule removal on copper bandlet, being disposed to of the drying mechanism prevents from speckling with water on copper bandlet after annealing
Dividing causes product to store gradually oxidation when transporting, and has pipe rear end to blow to front end hot blast using air blower, thoroughly that copper is flat
The meeting for taking causes the moisture removal of oxidation corrosion, finally has the finished product copper bandlet winding that wrap-up will be produced together.
As preferred：The calender system be continuously provided between some, some calender systems mutually before and after between
It is connected in series.
By using above-mentioned technical proposal：This procedure will be rolled and is subdivided into the repeatedly multistage calendering of some calender systems,
Ensure copper wire rolled after copper bandlet specification stabilization, compared with traditional single extrusion, finished product is greatly improved
Stability, it is to avoid edge is jagged due to causing copper bandlet to occur after the calendering of high intensity, and thickness of two sides differs, front and rear copper bandlet
The problems such as disalignment.
As preferred：The burr remover includes a pair horizontally disposed limited rollers two, in the limited roller two
Portion is provided with circumferential groove, width of the horizontal minimum range between the pair of limited roller two less than copper bandlet.
By using above-mentioned technical proposal：The setting of the limited roller two serves limit using circumferential recess thereon
Position and the effect for removing copper bandlet burr, it is spacing that horizontal minimum range ensures that copper bandlet edge is located at less than the setting of copper bandlet width
In the groove of roller two, the amplitude of copper bandlet double swerve is limited and prevents copper bandlet to move out this to limited roller two
Possibility, it is ensured that its spacing and deburring effect.
As preferred：Multiple races are provided with the driving wheel two and driven pulley two set on the drawing mechanism.
By using above-mentioned technical proposal：It is in order to many on race using copper bandlet in drawing to set multiple races
Pulling force of the secondary winding to strengthen to copper bandlet, prevents because copper bandlet part width is excessive, and resistance is too big during drawing, causes copper flat
Skidding of the band on driving wheel two and driving wheel two.
As preferred：One end of airduct is arranged on the rear end side of pipe in the drying mechanism, and airduct is relative to level
Before the pipe of position is set to be tilted towards from bottom to top.
By using above-mentioned technical proposal：The hot blast that the air blower is produced is by being upwardly into downwards the rear end side of pipe
Face, before being tilted towards from bottom to top, it is ensured that to greatest extent act on hot blast on the copper bandlet in pipe so that the effect of drying
Fruit is maximized, and the installation and removal beneficial to the later stage are provided with as airduct, also reduces the space of occupancy.
Brief description of the drawings
Fig. 1 is a kind of structural representation of photovoltaic welding belt convergent belt special purpose copper bandlet production line of the utility model；
Fig. 2 is the structural representation of feed mechanism and pre- drawing mechanism；
Fig. 3 is many structural representations of calender system tandem working；
Fig. 4 is the structural representation of drawing mechanism；
Fig. 5 is the structural representation of annealing mechanism and drying mechanism；
Fig. 6 is the structural representation of rolling-up mechanism.
Specific embodiment
A kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line of the utility model is done furtherly referring to figs. 1 to Fig. 6
It is bright.
A kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line, it is characterised in that：Including feed mechanism 2, pre- drawbench
Structure 3, calender system 4, drawing mechanism 5, annealing mechanism 6, drying mechanism 7, rolling-up mechanism 8, the feed mechanism 2 include spacing ring
21 and the feeding roller 22 positioned at the upper end of spacing ring 21, drawing mouthful 1 that the pre- drawing mechanism 3 includes setting gradually, actively
One 32, driven pulley 1 is taken turns, the front end of the calender system 4 is provided with some limited rollers 1, some spacing rollings
About one 41 staggeredly tangent branches are taken turns, the calender system 4 is disposed with runner 42, worm and gear 43, upper pressure from top to down
Roller 44 and lower compression roller 45, the runner 42 are connected with the upper end turbine of worm and gear 43, under upper pressure roller 44 and turbine and worm 43
End worm screw connection, the vertical height of upper pressure roller 44 is adjusted with the rotation of runner 42, and the calender system 4 also includes being sequentially connected
The laser width finding device 1 of setting, tightening regulator 1, burr remover 48, the laser width finding device 1 are located at
Upper 44, the rear end of lower compression roller 45, the upper end of the tightening regulator 1 is provided with oil cylinder, and lower end is provided with tensioning wheel 1,
Moved up and down by oil cylinder and drive tensioning wheel 1 to move up and down come the regulation for realizing being tensioned, the drawing mechanism 5 includes successively
Directive wheel 51, drawing mouthful 2 53, driving wheel 2 56, driven pulley 2 57, tightening regulator 2 58,2 53 lower ends of the drawing mouthful
Water tank 1 is provided with, the water tank 1 is connected with water pump 54, and the water pump 54 is connected with outlet pipe 52, the annealing mechanism
6 include annealing wheel 1, contact roller 62, protection pipe 63, water tank 2 64, annealing wheel 2 65, dehydrater 66, the protection pipe successively
63 lower ends are located inside water tank 2 64, and are in contact with the cooling water in water tank 2 64, and the annealing wheel 2 65 is located at water tank two
Inside 64, the drying mechanism 7 includes pipe 71, airduct 72 and air blower 73, and the copper bandlet passes through whole pipe 71, described
Air blower 73 is connected using airduct 72 with pipe 71, and the rolling-up mechanism 8 includes laser width finding device 2 81, collects traditional thread binding successively
Put 82, take-up 83, the height of the height higher than take-up 83 of the line concentrator 82.
By using above-mentioned technical proposal：By to the reverse of required product photovoltaic welding belt convergent belt special purpose copper bandlet specification
Progressively calculate and drew before calender system is entered, the specification of required copper wire raw material 1 there will be feeder using pre- drawing mechanism 3
Structure 2 conveys the copper wire raw material 1 for coming and carries out preliminary drawing, can be larger using a kind of specification by setting pre- drawing mechanism 3
Copper wire produces the photovoltaic welding belt convergent belt special purpose copper bandlet of plurality of specifications, and it is some spacing that the front end of the calender system 4 is set
Roller 1 can play fixed position-limiting action to the copper wire before calendering, prevent oblique pressure during due to calendering so that copper wire is moved
Position, the laser width finding device 1 and burr remover 49 can carry out a measurement and rebuild to the semi-finished product after calendering,
Ensure that per pass calendering procedure all meets the calculating requirement of pre-selection, the drawing mouthful 2 53 of drawing mechanism 5 is last on whole production line
Together for the trimming of copper bandlet, a power for drawing backward is applied using the driving wheel 56 of its rear end, annealing mechanism 6 is utilized
Annealing wheel one 61,2 65 is powered to be heated to copper bandlet, and the protection pipe 63 in the through water tank 1 of middle setting prevents it from aoxidizing, and moves back
The structural behaviour of product is improve after fire, then by dehydrater 66, by the globule removal on copper bandlet, the drying mechanism 6
Speckling with moisture on copper bandlet after being disposed to prevent from annealing causes product to store gradually oxidation when transporting, using air blower 73
There is the rear end of pipe 71 to blow to front end hot blast, the meeting on copper bandlet is thoroughly caused into the moisture removal of oxidation corrosion, finally there are receipts
The finished product copper bandlet winding that winding apparatus 8 will be produced is together.
The calender system 4 be continuously provided between some, some calender systems 4 mutually before and after between connect connect
Connect.By using above-mentioned technical proposal：This procedure will be rolled and is subdivided into more than the 4 multistage calendering of some calender systems, it is ensured that
Copper wire rolled after copper bandlet specification stabilization, compared with traditional single extrusion, the stabilization of finished product is greatly improved
Property, it is to avoid due to causing copper bandlet to occur after the calendering of high intensity, edge is jagged, and thickness of two sides differs, front and rear copper bandlet center
The problems such as line skew.
The burr remover 49 includes a pair horizontally disposed limited rollers two, and the middle part of the limited roller two is provided with
Circumferential groove, width of the horizontal minimum range less than copper bandlet between the pair of limited roller two.By using above-mentioned
Technical scheme：The setting of the limited roller two serves work that is spacing and removing copper bandlet burr using circumferential recess thereon
With horizontal minimum range ensures that copper bandlet edge is located in the groove of limited roller two less than the setting of copper bandlet width, by copper
The amplitude of bandlet double swerve is limited and prevents copper bandlet to move out this possibility to limited roller two, it is ensured that its is spacing
With the effect of deburring.
Multiple races are provided with the driving wheel 2 56 and driven pulley 2 57 set on the drawing mechanism 5.By using
Above-mentioned technical proposal：Setting multiple races is strengthened to copper for the multiple winding in drawing using copper bandlet on race
The pulling force of bandlet, prevents because copper bandlet part width is excessive, and resistance is too big during drawing, causes copper bandlet in the He of driving wheel 2 56
Skidding on driving wheel 2 57.
One end of airduct 72 is arranged on the rear end side of pipe 71 in the drying mechanism 7, and airduct 72 is relative to horizontal position
Before the pipe 71 put is set to be tilted towards from bottom to top.By using above-mentioned technical proposal：The hot blast that the air blower 73 is produced
By being upwardly into the rear end side of pipe 71 downwards, before being tilted towards from bottom to top, it is ensured that to greatest extent act on hot blast
On copper bandlet in pipe 71 so that the effect of drying is maximized, and the such installation being provided with beneficial to the later stage of airduct 71
And dismounting, also reduce the space of occupancy.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (5)
1. a kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line, it is characterised in that：Including feed mechanism, pre- drawing mechanism,
Calender system, drawing mechanism, annealing mechanism, drying mechanism, rolling-up mechanism, the feed mechanism include spacing ring and positioned at spacing
The feeding roller of ring upper end, the pre- drawing mechanism includes the drawing mouthful, driving wheel one, the driven pulley one that set gradually, described
Calender system front end is provided with some limited rollers one, and some limited rollers interlock tangent branch about one, described
Calender system is disposed with runner, worm and gear, upper pressure roller and lower compression roller from top to down, and the runner is upper with worm and gear
End turbine connection, upper pressure roller is connected with the lower end worm screw of turbine and worm, and the vertical height of upper pressure roller is adjusted with the rotation of runner,
The calender system also includes being sequentially connected laser width finding device one, the tightening regulator one, burr remover of setting, described
Laser width finding device one is located at the rear end of upper and lower pressure roller, and the upper end of the tightening regulator one is provided with oil cylinder, and lower end is provided with
Tensioning wheel one, by oil cylinder move up and down drive tensioning wheel one move up and down realize tensioning regulation, the drawing mechanism according to
It is secondary including directive wheel, drawing mouthfuls two, driving wheel two, driven pulley two, tightening regulator two, two lower ends of the drawing mouthful are provided with
Water tank one, the water tank one is connected with water pump, and the water pump is connected with outlet pipe, and the annealing mechanism includes annealing wheel successively
First, contact roller, protection pipe, water tank two, annealing wheel two, dehydrater, the protection pipe lower end are located inside water tank two, and and water tank
Cooling water in two is in contact, and the annealing wheel two is located inside water tank two, and the drying mechanism includes pipe, airduct and air blast
Machine, the copper bandlet passes through whole pipe, the air blower to be connected with pipe using airduct, and the rolling-up mechanism includes successively
Laser width finding device two, line concentrator, take-up, the height of the height higher than take-up of the line concentrator.
2. a kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line according to claim 1, it is characterised in that：The pressure
It is connected in series between prolonging before and after mechanism is continuously provided between some, some calender systems mutually.
3. a kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line according to claim 1, it is characterised in that：It is described to go
Burr device includes a pair horizontally disposed limited rollers two, and the middle part of the limited roller two is provided with circumferential groove, described
Width of the horizontal minimum range less than copper bandlet between a pair of limited rollers two.
4. a kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line according to claim 1, it is characterised in that：The drawing
Multiple races are provided with the driving wheel two and driven pulley two set on drawing machine structure.
5. a kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line according to claim 1, it is characterised in that：The baking
One end of airduct is arranged on the rear end side of pipe in dry mechanism, and airduct is set to from bottom to top relative to the pipe of horizontal level
Before being tilted towards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409540.6U CN206296319U (en) | 2016-12-21 | 2016-12-21 | A kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409540.6U CN206296319U (en) | 2016-12-21 | 2016-12-21 | A kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line |
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| CN206296319U true CN206296319U (en) | 2017-07-04 |
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| CN201621409540.6U Active CN206296319U (en) | 2016-12-21 | 2016-12-21 | A kind of photovoltaic welding belt convergent belt special purpose copper bandlet production line |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160092A (en) * | 2017-07-11 | 2017-09-15 | 谢齐容 | Button-type solar battery sheet two-sided welding device and its welding method |
| CN108115000A (en) * | 2018-01-04 | 2018-06-05 | 上海展屿金属科技有限公司 | A kind of manufacturing method and its device of small bore high-precision hairbrush anchor profile shapes |
| CN111203452A (en) * | 2020-01-21 | 2020-05-29 | 西安理工大学 | Novel photovoltaic solder strip preparation device and preparation method thereof |
| CN112808891A (en) * | 2021-03-01 | 2021-05-18 | 保定易通光伏科技股份有限公司 | Tin sheet preparation device |
| CN113036004A (en) * | 2021-03-08 | 2021-06-25 | 无锡市联鹏新能源装备有限公司 | Preparation method of main-grid-free solar cell electrode composite film |
| CN113560770A (en) * | 2021-09-22 | 2021-10-29 | 南通德舜昌机械科技有限公司 | Triangular special-shaped welding strip calendaring and tinning production line for photovoltaic panel and production process thereof |
| CN113814268A (en) * | 2021-10-18 | 2021-12-21 | 三铃制线(东莞)有限公司 | Copper strips production facility |
| CN116809672A (en) * | 2023-05-26 | 2023-09-29 | 青岛东华峰业金属新材料科技有限公司 | Online drawing device and process for aluminum welded pipe |
| CN117943428A (en) * | 2024-03-26 | 2024-04-30 | 江苏蓝慧智能装备科技有限公司 | Photovoltaic solder strip busbar automated production equipment |
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2016
- 2016-12-21 CN CN201621409540.6U patent/CN206296319U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160092A (en) * | 2017-07-11 | 2017-09-15 | 谢齐容 | Button-type solar battery sheet two-sided welding device and its welding method |
| CN108115000A (en) * | 2018-01-04 | 2018-06-05 | 上海展屿金属科技有限公司 | A kind of manufacturing method and its device of small bore high-precision hairbrush anchor profile shapes |
| CN111203452B (en) * | 2020-01-21 | 2021-12-17 | 西安理工大学 | Novel photovoltaic solder strip preparation device and preparation method thereof |
| CN111203452A (en) * | 2020-01-21 | 2020-05-29 | 西安理工大学 | Novel photovoltaic solder strip preparation device and preparation method thereof |
| CN112808891A (en) * | 2021-03-01 | 2021-05-18 | 保定易通光伏科技股份有限公司 | Tin sheet preparation device |
| CN113036004B (en) * | 2021-03-08 | 2022-04-12 | 无锡市联鹏新能源装备有限公司 | Preparation method of main-grid-free solar cell electrode composite film |
| CN113036004A (en) * | 2021-03-08 | 2021-06-25 | 无锡市联鹏新能源装备有限公司 | Preparation method of main-grid-free solar cell electrode composite film |
| CN113560770B (en) * | 2021-09-22 | 2021-12-03 | 南通德舜昌机械科技有限公司 | Triangular special-shaped welding strip calendaring and tinning production line for photovoltaic panel and production process thereof |
| CN113560770A (en) * | 2021-09-22 | 2021-10-29 | 南通德舜昌机械科技有限公司 | Triangular special-shaped welding strip calendaring and tinning production line for photovoltaic panel and production process thereof |
| CN113814268A (en) * | 2021-10-18 | 2021-12-21 | 三铃制线(东莞)有限公司 | Copper strips production facility |
| CN113814268B (en) * | 2021-10-18 | 2024-08-02 | 三铃制线(东莞)有限公司 | Copper strips production facility |
| CN116809672A (en) * | 2023-05-26 | 2023-09-29 | 青岛东华峰业金属新材料科技有限公司 | Online drawing device and process for aluminum welded pipe |
| CN117943428A (en) * | 2024-03-26 | 2024-04-30 | 江苏蓝慧智能装备科技有限公司 | Photovoltaic solder strip busbar automated production equipment |
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