CN205687993U - Prepare the device of welding - Google Patents

Prepare the device of welding Download PDF

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Publication number
CN205687993U
CN205687993U CN201620533419.8U CN201620533419U CN205687993U CN 205687993 U CN205687993 U CN 205687993U CN 201620533419 U CN201620533419 U CN 201620533419U CN 205687993 U CN205687993 U CN 205687993U
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China
Prior art keywords
plasma
guide wheel
welding
take
annealing
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CN201620533419.8U
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Chinese (zh)
Inventor
肖锋
张昱
朱骄峰
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SUZHOU YOURBEST NEW-TYPE MATERIALS Co Ltd
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SUZHOU YOURBEST NEW-TYPE MATERIALS Co Ltd
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Abstract

The utility model discloses a kind of device preparing welding, described device includes payingoff mechanism and take-up mechanism, also include plasma module and Xi Lu mechanism, described plasma module includes plasma apparatus and internal guide wheel, described payingoff mechanism is connected with the arrival end of described plasma apparatus, described internal guide wheel is connected with the port of export of described plasma apparatus, described Xi Lu mechanism includes stannum stove and frock guide wheel, described frock guide wheel is located in described stannum stove, one end of described frock guide wheel is connected with described internal guide wheel, the other end of described frock guide wheel is connected with described take-up mechanism.The device preparing welding of the present utility model, by plasma annealing module can adjusting process parameter immediately, and the energy consumption of plasma apparatus self is the lowest.Plasma annealing is higher to the tolerance of materials statement surface state, and the welding quality discrepancy of preparation is less, and the lower limit of yield being independently adjusted to during steady production is lower.

Description

Prepare the device of welding
Technical field
This utility model belongs to welding processing technique field, is specifically related to a kind of device preparing welding.
Background technology
Tin-coated welding strip (or tin-coated copper strip, PV welding) is the critical component of each main flow photovoltaic module, is relation photovoltaic Component power height and the key factor in service life, the only photovoltaic tin-plating welding strip of high-quality stable could coordinate photovoltaic cell raw Output high power and the durable photovoltaic module of height.The most novel high speed series welding machine and the development of high-efficiency photovoltaic battery are to being coated with soldering Band proposes more stringent performance requirement: new demand is curved to the stability of the coating layer thickness of tin-coated welding strip and the side of welding Curvature requires more and more higher, and thinner silicon cell requires that welding has less yield strength (Rp0.2) etc..At existing welding In manufacture method, annealing operation has a vital effect to the aforementioned properties of welding, and domestic current commonly used pipeline Annealing (also referred to as tunnel annealing) and short circuit annealing two kinds of method for annealing, this paper presents a kind of be applied to photovoltaic welding belt production etc. Ion annealing is coated with the new method of stannum integration.
Current pipeline method for annealing in order to ensure suitable yield strength, speed of production typically 80~120m/min, Along with increasing of solar cell piece main grid number, welding width is in the trend that narrows, and same speed of production means under production capacity Fall;The temperature needing to adjust to corresponding when for the production become more meticulous of pipeline method for annealing, this process is the longest And power consumption height;The welding of pipeline annealing needs to use the chemicals such as scaling powder in producing, and has certain negative shadow to production environment Ringing, and operation controls increasingly complex, cleaning and maintenance cost relatively plasma back ignition method are higher, indirectly reduce production effect Rate.Additionally, the actual annealing temperature of pipeline annealing is difficult to accurately control, thus the homogeneity of product produced is the poorest.
The annealing effect of short circuit method for annealing is annealed not as pipeline, and imitates in terms of removing the oxide layer on Copper base material surface Fruit is the best, low to the quality condition tolerance of Copper base material.As annealing with pipeline, short circuit annealing must use in subsequent handling Scaling powder, this not only affects environment, also makes technological parameter be difficult to accurately and control.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide a kind of device preparing welding and preparation thereof The method of welding, thus the quality discrepancy of the welding prepared is less, the lower limit of yield being independently adjusted to during steady production Lower, and speed of production is faster and without using scaling powder, and the regulation of technological parameter is the most accurately and fast.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows:
On the one hand, this utility model provides a kind of device preparing welding, including payingoff mechanism and take-up mechanism, also includes Plasma module and Xi Lu mechanism, described plasma module includes plasma apparatus and internal guide wheel, described payingoff mechanism and institute The arrival end stating plasma apparatus connects, and described internal guide wheel is connected with the port of export of described plasma apparatus, described stannum stove machine Structure includes that stannum stove and frock guide wheel, described frock guide wheel are located in described stannum stove, one end of described frock guide wheel and described inside Guide wheel connects, and the other end of described frock guide wheel is connected with described take-up mechanism.
The device preparing welding of the present utility model, by plasma annealing module can adjusting process parameter immediately, and The energy consumption of plasma apparatus self is the lowest.Plasma annealing module is higher to the tolerance of materials statement surface state, preparation Welding quality discrepancy is less, and the lower limit of yield being independently adjusted to during steady production is lower.
On the basis of technique scheme, this utility model also can be made and being improved as follows:
As preferred scheme, described Xi Lu mechanism also includes that at least one air knife, described air knife are located on described stannum stove Side, and the mouth of described air knife is with the horizontal angle setting.
As preferred scheme, described angle is 5 °~85 °, preferably 25 °~45 °.
Use above-mentioned preferred scheme, it is possible to make solder strip tinning uniform, make the thickness of whole welding be maintained at appointment scope In.
As preferred scheme, described Xi Lu mechanism also includes motor driver and active ascending manner storage rack, described Actively ascending manner storage rack one end is connected with described frock guide wheel, the other end of described active ascending manner storage rack and described take-up Mechanism connects, and described motor driver drives actively ascending manner storage rack that the welding of preparation is delivered to take-up mechanism.
As preferred scheme, described take-up mechanism includes that following type take-up guide groove and cylinder, described following type take-up are led Groove moves up and down under the pressure effect of cylinder.
Use above-mentioned preferred scheme, the welding that take-up guide groove is collected, have more preferable line type precision.
As preferred scheme, between described active ascending manner storage rack and described frock guide wheel, it is additionally provided with cooling tower.
Using above-mentioned preferred scheme, can be provided with welding quality detection device in take-up mechanism, take-up mechanism is permissible Employing is certainly moved disk technology and is optimized.
On the other hand, this utility model also provides for a kind of method that above-mentioned device preparing welding prepares welding, described side Method comprises the following steps:
1) Copper base material is placed on payingoff mechanism;
2) more described Copper base material is delivered in the plasma apparatus of plasma module, at 500 DEG C~1000 DEG C, Copper base material is carried out plasma annealing by the plasma gas being passed through 0.1~1MPa, obtains the Copper base material after plasma annealing;
3) it is delivered to the Copper base material after described plasma annealing in the stannum stove of Xi Lu mechanism again be coated with stannum, obtains welding;
4) finally described welding is exported, and by take-up mechanism take-up, to obtain final product.
On the basis of technique scheme, this utility model also can be made and being improved as follows:
As preferred scheme, the feed speed of described Copper base material or described welding is 50~300m/min, preferably 100 ~150m/min, more preferably 150m/min.
Using above-mentioned preferred scheme, it is possible under higher speed of production, production efficiency is high, and the welding prepared Yield strength disclosure satisfy that requirement, and preparation method of the prior art is under higher speed of production, the welding surrender of preparation Intensity is high, and under the speed of production of more than 150m/min, the welding of preparation can not meet use requirement.
As preferred scheme, in step 2) in, plasma annealing frequency is 1~20MHz.
As preferred scheme, in step 3) in, the Copper base material after described plasma annealing passes frock guide wheel, then exists Under air knife, being 20~150 DEG C in compressed air temperature, wind-force is 0.4~0.7MPa painting stannum.
As preferred scheme, the Copper base material after described plasma annealing, before frock guide wheel, also includes following step Rapid: the Copper base material after described plasma annealing is lowered the temperature by gas, described gas is preferably nitrogen, then vertical through internal guide wheel Enter in stannum stove, and stannum furnace temperature is 150~300 DEG C, preferably 220 DEG C.
As preferred scheme, described plasma gas is selected from least in hydrogen, nitrogen, helium and argon gas Kind.
The method preparing welding of the present utility model, by plasma back ignition method, owing to transient temperature is high, in congruency Under conditions of energy, speed is up to 200m/min.Plasma back ignition method can adjusting process parameter immediately, switching different size Product is relative to energy-and time-economizing, and the energy consumption of plasma apparatus self is the lowest.Plasma back ignition method can be right while annealing Copper base material surface is made cleaning and is processed, and therefore more preferable than additive method to the adaptability of Copper base material, consequent product quality is poor Different less, the lower limit of yield being independently adjusted to during steady production is lower;
Additionally, compare traditional method, plasma back ignition method is suitable for the longer continuous base material unwrapping wire time, has height Quality stability and concordance, it is intended that the Copper base material of specification is incorporated into plasma through payingoff mechanism by corresponding guide groove guide wheel In annealing module;
Plasma annealing module can the most fast cold start-up, and distinctive surface ion in plasma back ignition method Sputtering technology makes substrate surface cleaning be dried (eliminating preposition cleaning process), it is also possible to removing oxide on surface, this is to rear Continuous painting stannum operation is the most necessary.Copper strips enters stannum stokehold, and traditional method scaling powder to be passed through soaks and is cleaned swashing with surface Living, inter-metallic bond time tin plating only cleans at substrate surface and fits and could realize when activating.Plasma back ignition method is not Need to use scaling powder, complete to clean and activate while annealing, and owing to not having scaling powder, tin plating speed can be more Hurry up, this is also that the method is capable of one of reason being coated with more at a high speed stannum.The method parameter using plasma annealing module is simple Controlled, the stable performance of product, uniform quality, rework rate and percent defective can be made lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of the device preparing welding of the present utility model;
Wherein:
1. payingoff mechanism, 2. take-up mechanism, 201. following type take-up guide grooves, 202. cylinders, 203. axles, 3. plasma mould Block, 301. plasma apparatus, 302. internal guide wheels, 4. Xi Lu mechanism, 401. stannum stoves, 402. frock guide wheels, 403. air knives, 404. Actively ascending manner storage rack, 405. cooling towers.
Detailed description of the invention
Describe preferred implementation of the present utility model below in conjunction with the accompanying drawings in detail.
In order to reach the purpose of this utility model, as it is shown in figure 1, the device preparing welding of the present utility model, including putting Line mechanism 1 and take-up mechanism 2, also include plasma module 3 and Xi Lu mechanism 4, and plasma module 3 includes plasma apparatus 301 With internal guide wheel 302, payingoff mechanism 1 is connected with the arrival end of plasma apparatus 301, internal guide wheel 302 and plasma apparatus 301 The port of export connect, Xi Lu mechanism 4 includes stannum stove 401 and frock guide wheel 402, and frock guide wheel 402 is located in stannum stove 401, frock Guide wheel 402 one end is connected with internal guide wheel 302, and the other end of frock guide wheel 402 is connected with take-up mechanism 2.This prepares welding Device, by plasma annealing module can adjusting process parameter immediately, and the energy consumption of plasma apparatus self is the lowest.Deng from Son annealing module is higher to the tolerance of materials statement surface state, and the welding quality discrepancy of preparation is less, can be certainly during steady production The lower limit of yield that main modulation arrives is lower.
In order to optimize implementation result of the present utility model further, Xi Lu mechanism 4 also includes at least one air knife 403, Air knife 403 is located at above stannum stove 401, and the mouth of air knife 403 is arranged with the horizontal angle.
In order to optimize implementation result of the present utility model further, this angle can be 5 °~85 °, preferably 25 °~ 45°.Solder strip tinning can be made uniform, make the thickness of whole welding be maintained at required size precision.
In order to optimize implementation result of the present utility model further, Xi Lu mechanism 4 also includes motor driver and master Dynamic ascending manner storage rack 404, actively ascending manner storage rack 404 one end is connected with frock guide wheel 402, actively ascending manner storage rack The other end of 404 is connected with take-up mechanism 2, and motor driver drives active ascending manner storage rack 404 by defeated for the welding of preparation Deliver to take-up mechanism 2.
In order to optimize implementation result of the present utility model further, take-up mechanism 2 includes following type take-up guide groove 201 He Cylinder 202, following type take-up guide groove 201 moves up and down under the pressure effect of cylinder 202, thus the welding of preparation is received in axle On 203.The welding that this take-up guide groove is collected, has more preferable line type precision.
In order to optimize implementation result of the present utility model further, actively ascending manner storage rack 404 and frock guide wheel 402 Between be additionally provided with cooling tower 405.Can be provided with welding quality detection device in take-up mechanism, take-up mechanism can use automatically Change disk technology to be optimized.
Embodiment 1
The batch of 0.25mm × 1.2mm specification welding that the method using plasma annealing to be coated with stannum integration carries out main flow is raw Produce: using specification on payingoff mechanism is 0.2mm × 1.2mm Copper base material, then Copper base material is incorporated into plasma module arrival end, from The port of export is drawn;To nitrogen (optional incorporation 1% hydrogen of the purity more than 99.9% being passed through 0.3MPa pressure in plasma module Gas) as working gas, make target temperature be 700 DEG C at guidance panel regulation plasma voltage, arranging frequency is 10MHz; Copper base material uses nitrogen to cool to less than 200 DEG C, and through internal guide wheel vertically in stannum stove, stannum furnace temperature is set to 220 DEG C, After frock guide wheel, vertically leave tin liquor face, leave the place in tin liquor face equipped with the controllable air knife of temperature angle, setting Air knife mouth direction is 30 ° to horizontal angle, and the compressed air temperature being dried is 20 DEG C, and wind-force is set to 0.4MPa, controls Product thickness is 0.25mm;The welding drawn from stannum stove arrives through the active ascending manner storage rack driven by motor driver Take-up mechanism (is different from traditional passive type storage rack relying on gravity to decline), and take-up mechanism employing is controlled by cylinder pressure Following type take-up guide groove (is different from traditional fixed take-up guide wheel), and during take-up, guide groove position can be same along with the full scale of axle Step raise, whole take-up process take-up angle can always consistent (straight line), have more preferable line type precision.
So, speed of production is the main performance (0.25mm × 1.2mm) of the welding of preparation during 100m/min, as following Shown in table 1:
Table 1
Now using the conventional configuration (referring specifically to CN202072737U) of pipeline method for annealing, the speed with 100m/min is raw The performance producing 0.25mm × 1.2mm specification welding is as follows, as described in Table 2:
Table 2
(method that short circuit is annealed is to be entered by the method comprised the following steps in the conventional configuration of now use short circuit method for annealing OK: with the electrode wheel of AC or DC electricity, import big electric current, electric current and Copper base material self-resistance to operating Copper base material Effect and heating up, arrive after annealing temperature, then hardening make it cool down rapidly), produce with the speed of 100m/min The performance of same specification welding is as follows, as described in Table 3:
Table 3
From above-mentioned table 1-3 it can be seen that pipeline annealing and short circuit are annealed the yield strength value of welding prepared by two kinds of methods (Rp0.2) it is much higher than welding prepared by preparation method of the present utility model.Wherein the surrender of the welding of pipeline annealing preparation is strong Angle value fluctuation maximum, extreme difference is 8MPa, and the fluctuation of welding prepared by short circuit annealing and preparation method of the present utility model is respectively For 5MPa and 3MPa.
Embodiment 2
Using plasma annealing to be coated with stannum integral method, it is 0.2mm × 1.2mm Copper base material that payingoff mechanism uses specification, Copper base material is incorporated into plasma module arrival end again, draws from the port of export;To plasma module is passed through 0.4MPa pressure Nitrogen (mixing 1% hydrogen), as working gas, makes target temperature be 750 DEG C at guidance panel regulation plasma voltage, if Putting frequency is 5MHz;Copper base material cools less than 200 DEG C through nitrogen, through internal guide wheel vertically in stannum stove, and stannum stove Temperature is set to 220 DEG C, vertically leaves tin liquor face after frock guide wheel, can equipped with temperature angle in the place leaving tin liquor face The air knife controlled, arranging air knife mouth direction to horizontal angle is 35 °, and the compressed air temperature being dried is 50 DEG C, and wind-force sets Being set to 0.5MPa, control product thickness is 0.25mm, carries out take-up through wire storage mechanism.Speed of production is preparation during 150m/min The main performance of welding be (0.25mm × 1.2mm), as described in Table 4:
Table 4
As can be seen from the above Table 3, under this higher feed speed, the yield strength of the welding of preparation only has 50MPa left The right side, and it is little to fluctuate, not only production efficiency is high, additionally it is possible to meet actual operation requirements.
Embodiment 3
Using plasma annealing to be coated with stannum integral method, it is 0.2mm × 1.2mm Copper base material that payingoff mechanism uses specification, Copper base material is incorporated into plasma module arrival end again, draws from the port of export;To plasma module is passed through 0.4MPa pressure Nitrogen (mixing 1% hydrogen), as working gas, makes target temperature be 850 DEG C at guidance panel regulation voltage, arranges frequency For 1MHz;Copper base material cools less than 200 DEG C through nitrogen, and through internal guide wheel vertically in stannum stove, stannum furnace temperature sets It is set to 220 DEG C, after frock guide wheel, vertically leaves tin liquor face, controllable equipped with temperature angle in the place leaving tin liquor face Air knife, arranging air knife mouth direction to horizontal angle is 40 °, and the compressed air temperature being dried is 70 DEG C, and wind-force is set to 0.7MPa, control product thickness is 0.25mm, carries out axle take-up through wire storage mechanism.
Speed of production is that the main performance (0.25mm × 1.2mm) of the welding of preparation during 200m/min is as follows, as following Shown in table 5:
Table 5
And use pipeline annealing or short circuit annealing, when speed of production is 150m/min and 200m/min, welding occurs Dew copper, the bad quality such as burr, yield strength value can not stably be met customer need, it is impossible to batch production.
Embodiment 4-5
Preparation method is same as in Example 3, and different is to each leading into 0.1MPa and 1MPa pressure in plasma module Nitrogen (mixing 1% hydrogen) as working gas, guidance panel regulation voltage make target temperature be respectively 500 DEG C and 1000 DEG C, frequency is set and is respectively 20MHz and 1MHz.
Above-described is only preferred implementation of the present utility model, it is noted that for the ordinary skill of this area For personnel, on the premise of creating design without departing from this utility model, it is also possible to making some deformation and improvement, these all belong to In protection domain of the present utility model.

Claims (6)

1. prepare a device for welding, including payingoff mechanism and take-up mechanism, it is characterised in that also include plasma module and Xi Lu mechanism, described plasma module includes plasma apparatus and internal guide wheel, described payingoff mechanism and described plasma apparatus Arrival end connect, described internal guide wheel is connected with the port of export of described plasma apparatus, described Xi Lu mechanism include stannum stove with Frock guide wheel, described frock guide wheel is located in described stannum stove, and one end of described frock guide wheel is connected with described internal guide wheel, described The other end of frock guide wheel is connected with described take-up mechanism.
The device preparing welding the most according to claim 1, it is characterised in that described Xi Lu mechanism also includes at least one Air knife, described air knife is located at above described stannum stove, and the mouth of described air knife is arranged with the horizontal angle.
The device preparing welding the most according to claim 2, it is characterised in that described angle is 5 °~85 °.
The device preparing welding the most according to any one of claim 1 to 3, it is characterised in that described Xi Lu mechanism is also Including motor driver and active ascending manner storage rack, one end of described active ascending manner storage rack is with described frock guide wheel even Connecing, the other end of described active ascending manner storage rack is connected with described take-up mechanism, and described motor driver drives on actively The welding of preparation is delivered to described take-up mechanism by lift-type storage rack.
The device preparing welding the most according to claim 4, it is characterised in that described take-up mechanism includes following type take-up Guide groove and cylinder, described following type take-up guide groove moves up and down under the pressure effect of cylinder.
The device preparing welding the most according to claim 4, it is characterised in that described active ascending manner storage rack and described It is additionally provided with cooling tower between frock guide wheel.
CN201620533419.8U 2016-06-03 2016-06-03 Prepare the device of welding Withdrawn - After Issue CN205687993U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105886989A (en) * 2016-06-03 2016-08-24 苏州宇邦新型材料股份有限公司 Device for preparing solder strip and method for preparing solder strip through device for preparing solder strip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105886989A (en) * 2016-06-03 2016-08-24 苏州宇邦新型材料股份有限公司 Device for preparing solder strip and method for preparing solder strip through device for preparing solder strip

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Granted publication date: 20161116

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