CN202717864U - Device special for producing weldable aluminum plates with ternary zinc tin nickel immersion electric tinplate process - Google Patents
Device special for producing weldable aluminum plates with ternary zinc tin nickel immersion electric tinplate process Download PDFInfo
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- CN202717864U CN202717864U CN 201220459384 CN201220459384U CN202717864U CN 202717864 U CN202717864 U CN 202717864U CN 201220459384 CN201220459384 CN 201220459384 CN 201220459384 U CN201220459384 U CN 201220459384U CN 202717864 U CN202717864 U CN 202717864U
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Abstract
A device special for producing weldable aluminum plates with a ternary zinc tin nickel immersion electric tinplate process comprises an oil removing device, a spray-type washing device, an alkaline liquor etching device, a turbulence-type washing device, an acid dip pickle, a high-pressure washing device, a zinc tin nickel immersion device, a nitric acid zinc-removing device, a second zinc tin nickel immersion device, an electric tinplate device and an electrolytic tinning device. The device is characterized by sequentially comprising the oil removing device, the spray-type washing device, the alkaline liquor etching device, the turbulence-type washing device, the acid dip pickle, the high-pressure washing device, the zinc tin nickel immersion device, the nitric acid zinc-removing device, the second zinc tin nickel immersion device, the electric tinplate device and the electrolytic tinning device. According to products produced by the device, binding force of an electroplated coating and an aluminum product is good; bubbling, shedding and peeling do not occur; cost is low; pollution is little; bulk production is achieved; production efficiency is high; and product quality is reliable.
Description
Technical field
The utility model relates to a kind of radiator element with weldability aluminium sheet production unit, is specially a kind of specific equipment that soaks zinc-tin nickel acierage explained hereafter weldability aluminium sheet with ternary.
Background technology
Along with the fast development of electronic product, the big area of the more and more higher and LED lamp of chip integration, its heat dissipation problem that brings is on the rise.Because the solderability of aluminium is poor, at present normal employing method is to strengthen its weldability with carrying out electroless plating after the aluminium flake impact briquetting or electroplating first.This method exists time-consuming problem of taking a lot of work, cost also higher.
As the weldable aluminum alloy sheets plating process on the direct employing aluminium is arranged also, the key of plating process is to improve bonding force on the aluminium, removes the lip-deep oxide film of aluminium, and prevents that it from regenerating.Usually will be on aluminium base plating one deck with it in conjunction with firmly bottom or middle layer, reason is to soak zinc and eleetrotinplate treatment solution PH difference is large, active zinc-impregnating layer is very easily destroyed in the strongly-acid tin plating electrolyte, and zinc and Xi Yi generation mutual diffusion, reduces the brazing property of tin layer.
At present, what adopted in the middle layer is Ni plating on Al alloy technique, and there is the problem that binding force of cladding material is poor, cost is high, environmental pollution is serious in nickel as the weldability intermediate deposit.
Summary of the invention
The utility model is for the problems referred to above, a kind of specific equipment that soaks zinc-tin nickel acierage explained hereafter weldability aluminium sheet with ternary is provided, can guarantee that electrolytic coating and aluminium alloy plate can form the fine and close immersion plating layer of thin crystalline substance, bonding force is good, adopt continuous electroplating can improve its electroplating efficiency, reduce the environmental pollution degree, adopt iron comparatively cheap with respect to the nickel cost as solderable coating.
The technical solution of the utility model is: a kind of specific equipment that soaks zinc-tin nickel acierage explained hereafter weldability aluminium sheet with ternary, comprise oil removal plant, the spray-type water washing device, the alkali lye etching device, the turbulence type water washing device, pickler, the high-pressure washing device, soak zinc-tin nickel device, nitric acid moves back the zinc device, soak for the second time zinc-tin nickel device, the acierage device, electrolytic tinning device is characterized in that: a kind of specific equipment that soaks zinc-tin nickel acierage explained hereafter weldability aluminium sheet with ternary is followed successively by oil removal plant, the spray-type water washing device, the alkali lye etching device, the turbulence type water washing device, pickler, the high-pressure washing device, soak zinc-tin nickel device, nitric acid moves back the zinc device, soak for the second time zinc-tin nickel device, the acierage device, electrolytic tinning device.
The beneficial effects of the utility model are:
1, adopt the band continuous electroplating, improve electroplating efficiency, realize automatic continuous production, production efficiency is high, reliable product quality, and energy-saving and emission-reduction reduce cost, environmental contamination reduction.
2, the bonding force of electrolytic coating and aluminium is good, thus non-foaming, without come off, non-scale, cost is low, pollution is few.
3, zinc-plated behind the flash iron, as solderable coating, the nickel cost is comparatively cheap relatively with tin.
4, can weld aluminium sheet and realize that led light source and scatterer directly weld, the minimizing thermal resistance, improving radiating effect significantly alleviates the weight of heat sink material.Simultaneously, can improve the arranging density of LED, increase the power of LED, simplify the installation procedure of product.
Description of drawings
Fig. 1 is apparatus structure schematic diagram of the present utility model.
Among the figure, 1. oil removal plant, 2. spray-type water washing device, 3. alkali lye etching device, 4. turbulence type water washing device, 5. pickler, 6. the high-pressure washing device 7. soaks zinc-tin nickel device, 8. nitric acid moves back the zinc device, 9. soaks for the second time zinc-tin nickel device, 10. acierage device, 11. electrolytic tinning devices.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described.
A kind of specific equipment that soaks zinc-tin nickel acierage explained hereafter weldability aluminium sheet with ternary comprises oil removal plant 1 in the utility model, spray-type water washing device 2, alkali lye etching device 3, turbulence type water washing device 4, pickler 5, high-pressure washing device 6, soak zinc-tin nickel device 7, nitric acid moves back zinc device 8, soak for the second time zinc-tin nickel device 9, acierage device 10, electrolytic tinning device 11 is characterized in that: a kind of specific equipment that soaks zinc-tin nickel acierage explained hereafter weldability aluminium sheet with ternary is followed successively by oil removal plant 1, spray-type water washing device 2, alkali lye etching device 3, turbulence type water washing device 4, pickler 5, high-pressure washing device 6, soak zinc-tin nickel device 7, nitric acid moves back zinc device 8, soak for the second time zinc-tin nickel device 9, acierage device 10, electrolytic tinning device 11.
The effect of oil removal plant 1 is to surface of aluminum plate oil removing degreasing in the utility model, reaches the surface of complete No oxided film and greasy dirt, and spray-type water washing device 2 cleans the aluminium sheet after the oil removing at normal temperatures with the deionized water spray-type, and the shower nozzle porosity is 150 holes/cm
2To guarantee the bonding force of subsequent plating layer and matrix, the effect of alkali lye etching device 3 is the uneven surfaces that can form the microcosmic injustice, to guarantee the bonding force of coating and matrix, the aluminium sheet of turbulence type water washing device 4 after with the alkali lye etching stirs by current at normal temperatures, stirring number of times is 550 times/min, use washed with de-ionized water, to guarantee the bonding force of subsequent plating layer and matrix, the effect of pickler 5 is to obtain altar mouth shape hole, play the anchor effect to soaking zinc-tin nickel, lay firm basis for obtaining the good subsequent plating layer of bonding force, high-pressure washing device 6 will through the aluminium sheet of pickling at normal temperatures pressure be 4.5MPa, use the deionized water high pressure cleaning, to guarantee the bonding force of subsequent plating layer and matrix, the effect of soaking zinc-tin nickel device 7 is to obtain fine and close zinc-tin nickel alloy layer, the effect that nitric acid moves back zinc device 8 is to obtain altar mouth shape hole, play the anchor effect to soaking zinc-tin nickel, the effect of soaking zinc-tin nickel device 9 for the second time is to obtain fine and close zinc-tin nickel alloy layer, can guarantee the electrolytic coating bonding force that it is follow-up.Need to electroplate the middle layer after soaking zinc-tin nickel, reason is to soak zinc and eleetrotinplate treatment solution PH difference is large, active zinc-impregnating layer is very easily destroyed in the strongly-acid tin plating electrolyte, and zinc and Xi Yi generation mutual diffusion, reduces the brazing property of tin layer, but the effect of acierage device 10 is coating high speed depositions, be conducive to carry out high speed continuous plating, and the coating internal stress is little, bath stability is strong, can form higher solid solubility, be beneficial to the extension of coating on former settled layer.The effect of electrolytic tinning device 11 be with tin as solderable coating, comparatively cheap with respect to the nickel cost, and guaranteed the bonding force of eleetrotinplate layer and aluminium good, non-foaming, without come off, non-scale.
Conventional aluminium sheet is produced the weldable aluminum panel products through behind the specific equipment of the present utility model successively.This specific equipment is produced continuously, and production efficiency is high.
The production process of weldability aluminium sheet is described below in conjunction with the utility model:
(1), oil removing: aluminium sheet entered carry out oil removal treatment in the oil removal plant 1, the concentration of oil removal plant 1 neutral and alkali low temperature aluminium alloy oil removing grease-removing agent is that 35g/L, temperature are 55 ℃, 15 seconds treatment times.
(2), spray-type washing: the aluminium sheet after the oil removing in spray-type water washing device 2, is cleaned with the deionized water spray-type at normal temperatures, and the shower nozzle porosity is 150 holes/cm
2
(3), alkali lye etching: the aluminium sheet after will washing is processed with alkali lye in alkali lye etching device 3,45 ℃ of alkali liquid temperatures, 20 seconds treatment times.Described alkali lye is: sodium hydroxide 25g/L, yellow soda ash 25g/L, sodium phosphate 35g/L, Sodium Fluoride 3g/L, sodium lauryl sulphate 0.3g/L, all the other are water, and mixed preparing forms at normal temperatures.
(4), turbulence type washing: in turbulence type water washing device 4, at normal temperatures, stirring number of times is 550 times/min, uses washed with de-ionized water with the aluminium sheet after the alkali lye etching.
(5), pickling: aluminium sheet acid solution in pickler 5 is processed, and acid liquor temperature is 25 ℃, 25 seconds treatment times.Described acid solution is: nitric acid 50g/L, sulfuric acid 50g/L, all the other are water, and mixed preparing forms at normal temperatures.
(6), high-pressure washing: will be through the aluminium sheet after the pickling in high-pressure washing device 6, at normal temperatures, pressure is 4.5MPa, uses the deionized water high pressure cleaning.
(7), soak zinc-tin nickelalloy liquid for the first time: aluminium sheet is soaked zinc-tin nickelalloy liquid process in soaking zinc-tin nickel device 7, the temperature of zinc-tin nickelalloy liquid is 25 ℃, 10 seconds time.Described zinc-tin nickelalloy liquid is: sodium hydroxide 400g/L, zinc oxide 35g/L, stannous sulfate content are 20g/L, nickel sulfamic acid 40g/L, Seignette salt 150g/L, sodium gluconate 120g/L, SODIUMNITRATE 8g/L, all the other are water, and mixed preparing forms at normal temperatures.
(8), nitric acid moves back zinc: the aluminium sheet after soaking for the first time the processing of zinc-tin nickelalloy is moved back at nitric acid move back the zinc processing in the zinc device 8, the temperature of dezincifying solution is 35 ℃, 10 seconds time.Described dezincifying solution is: nitric acid 110g/L, sulfuric acid 120g/L, all the other are water, and mixed preparing forms at normal temperatures.
(9), soak zinc-tin nickelalloy liquid for the second time: the aluminium sheet after nitric acid moves back zinc was soaked in the second time soak the processing of zinc-tin nickelalloy liquid in the zinc-tin nickel device 9, the temperature of zinc-tin nickelalloy liquid is 35 ℃, 20 seconds time.Described zinc-tin nickelalloy liquid is: sodium hydroxide 400g/L, zinc oxide 35g/L, stannous sulfate content are 20g/L, nickel sulfamic acid 40g/L, Seignette salt 150g/L, sodium gluconate 120g/L, SODIUMNITRATE 8g/L, all the other are water, and mixed preparing forms at normal temperatures.
(10), acierage: the aluminium sheet through soaking for the second time after the zinc-tin nickelalloy is processed is carried out acierage in acierage device 10, the current density of acierage is 15A/cm
2, the temperature of iron plating liquid is 30 ℃, the pH value of iron plating liquid is 4,4 seconds time.Described iron plating liquid is: ferrous sulfamate content 500g/L, boric acid 60g/L, sodium laurylsulfonate 0.5g/L, all the other are water, and mixed preparing forms at normal temperatures.
(11), eleetrotinplate: the aluminium sheet after processing through plating iron is carried out eleetrotinplate in electrolytic tinning device 11, the current density of eleetrotinplate is 18A/cm
2, the temperature of tin plating electrolyte is 35 ℃, the pH value of tin plating electrolyte is 5,5 seconds time.Described tin plating electrolyte is: tin protochloride 80g/L, sulfocarbolic acid 45g/L, ethoxylation-methyl naphthol sulfonic acid 15g/L, all the other are water, and mixed preparing forms at normal temperatures.
The weldability aluminium sheet Deposit appearance that the utility model is produced is good, and bonding force is good, and adopting GB GB/T9286-1998 method to detect bonding force is 0 grade, and adopting the SAT-5100 Weldability detector to test its wetting time is 1.3 seconds, and welding property is excellent.
This shows, the product that the utility model is produced, the bonding force of electrolytic coating and aluminium is good, thus non-foaming, without come off, non-scale, cost is low, pollution is few.Produce in enormous quantities, production efficiency is high, reliable product quality.
Claims (1)
1. specific equipment that soaks zinc-tin nickel acierage explained hereafter weldability aluminium sheet with ternary, comprise oil removal plant, the spray-type water washing device, the alkali lye etching device, the turbulence type water washing device, pickler, the high-pressure washing device, soak zinc-tin nickel device, nitric acid moves back the zinc device, soak for the second time zinc-tin nickel device, the acierage device, electrolytic tinning device is characterized in that: a kind of specific equipment that soaks zinc-tin nickel acierage explained hereafter weldability aluminium sheet with ternary is followed successively by oil removal plant, the spray-type water washing device, the alkali lye etching device, the turbulence type water washing device, pickler, the high-pressure washing device, soak zinc-tin nickel device, nitric acid moves back the zinc device, soak for the second time zinc-tin nickel device, the acierage device, electrolytic tinning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220459384 CN202717864U (en) | 2012-08-31 | 2012-08-31 | Device special for producing weldable aluminum plates with ternary zinc tin nickel immersion electric tinplate process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220459384 CN202717864U (en) | 2012-08-31 | 2012-08-31 | Device special for producing weldable aluminum plates with ternary zinc tin nickel immersion electric tinplate process |
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| Publication Number | Publication Date |
|---|---|
| CN202717864U true CN202717864U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220459384 Expired - Fee Related CN202717864U (en) | 2012-08-31 | 2012-08-31 | Device special for producing weldable aluminum plates with ternary zinc tin nickel immersion electric tinplate process |
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| CN (1) | CN202717864U (en) |
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- 2012-08-31 CN CN 201220459384 patent/CN202717864U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20190831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |