CN103394786A - Liquid metal transferring device and transferring method - Google Patents
Liquid metal transferring device and transferring method Download PDFInfo
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- CN103394786A CN103394786A CN2013103163010A CN201310316301A CN103394786A CN 103394786 A CN103394786 A CN 103394786A CN 2013103163010 A CN2013103163010 A CN 2013103163010A CN 201310316301 A CN201310316301 A CN 201310316301A CN 103394786 A CN103394786 A CN 103394786A
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- liquid metal
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- catheter
- top receptacle
- transfer device
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Abstract
The invention discloses a liquid metal transferring device and a transferring method. The liquid metal transferring device comprises an open container used for containing liquid metal, a sealing cover used for covering the open container, a gas supply pipe used for injecting gas into the open container, a liquid guide pipe used for guiding liquid metal out of the open container, a gas supply device used for outputting gas and a heating device used for heating the liquid guide pipe. A first pipe passing hole and a second pipe passing hole are formed in the sealing cover, one end of the gas supply pipe is inserted into the first pipe passing hole, and the other end of the gas supply pipe is connected with the gas supply device. The liquid guide pipe penetrates the second pipe passing hole, a part of the liquid guide pipe is located outside the open container, the other part of the liquid guide pipe is located in the open container, and the heating device is arranged on the liquid guide pipe. The liquid metal transferring device and the transferring method have the advantages that the liquid metal is transferred automatically, workers can operate within a safe distance without directly contacting the liquid metal transferring device, and splashing can be avoided in the liquid metal transferring process.
Description
Technical field
The present invention relates to liquid metal and shift field, particularly a kind of liquid metal transfer device and transfer method.
Background technology
When producing electronic product, large-scale electronics unit device generally is arranged on circuit board by manual plug-in unit operation, then by manual welding, wave-soldering or selective wave-soldering, electronics unit device is fixed, and then enters the operations such as test assembling.
When selective wave-soldering is attached to solder on pad, can be by a small amount of pad metal, and the residue of scaling powder takes in the tin stove, in the course of time, these impurity may affect the alloying component in the tin stove, and then welding quality is produced and has a strong impact on.Thereby, be necessary periodically to change contaminated solder, the tin stove is cleaned.
The replacing of solder must be carried out under molten condition, but the temperature of molten solder is up to 260 ~ 300 ℃.At present, when changing solder, generally first scoop out a part, then tin stove end is risen and pours out remainder, but this way not only is not easy to operation, also has certain danger.In addition, because tin stove Lower Half cavity generally is equipped with electromagnetic pump, cause that tin stove Lower Half cavity diameter is little, the degree of depth is large, the risk that makes above-mentioned end work the method for operating of toppling over solder is multiplied.
Given this, the invention provides a kind of liquid metal transfer device and transfer method.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of liquid metal transfer device and transfer method, to solve prior art, need to hold the tin stove to topple over the problem of molten solder.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of liquid metal transfer device comprises:
Open-top receptacle for the splendid attire liquid metal;
Be used for the seal cover that covers with described open-top receptacle;
For the air supply pipe to the open-top receptacle injecting gas;
For liquid metal being derived to the outer catheter of open-top receptacle;
For exporting the feeder of gas;
For heating the heater of catheter;
On described seal cover, be provided with first and cross pore and second and cross pore, an end of described air supply pipe inserts described first and crosses in pore, and the other end of air supply pipe connects described feeder; Described catheter passes described second and crosses pore, and the part of described catheter is positioned at outside open-top receptacle, and another part of catheter is arranged in described open-top receptacle, and described heater is installed on described catheter.
In described liquid metal transfer device, described heater comprises heating cable and protective sleeve, and described heating cable is wrapped on described catheter, and described protective sleeve is sheathed on described heating cable and catheter.
In described liquid metal transfer device, described protective sleeve is glass fibre protective sleeve or ceramic fibre protective sleeve.
In described liquid metal transfer device, described heater wire cable wrap is drawn together heater strip, compression magnesia powder and stainless steel sheath, and described stainless steel sheath is sheathed on described heater strip, and described compression magnesia powder is located between heater strip and stainless steel sheath.
In described liquid metal transfer device, described heating cable is wrapped on the part that catheter is positioned at the open-top receptacle outside.
In described liquid metal transfer device, the inner edge of described seal cover is provided with seal groove, in described seal groove, is provided be used to sealing the sealing ring of described open-top receptacle.
In described liquid metal transfer device, on described feeder, be provided with for the pressure regulator valve of adjustable pressure with for the flow control valve of adjusting gas flow.
Described liquid metal transfer device, also comprise fixture, described open-top receptacle has the retainer plate fixing with described seal cover, on described retainer plate, be provided with a plurality of the first fixing holes, on described seal cover, be provided with a plurality of the second fixing holes, described fixture is passed described the first fixing hole and the fixing described seal cover of the second fixing hole and open-top receptacle.
In described liquid metal transfer device, described catheter is U-shaped.
A kind of transfer method of above-mentioned liquid metal transfer device, it comprises:
Feeder by air supply pipe to injecting gas in open-top receptacle;
By described gas, above the metal bath surface of open-top receptacle, produce air pressure, liquid metal is entered in catheter, by catheter, liquid metal is transferred to outside open-top receptacle; By heater, to the heating liquid in catheter, make liquid metal keep flow regime simultaneously.
Compared to prior art, liquid metal transfer device provided by the invention and transfer method, employing is to injecting gas in open-top receptacle, the air pressure that produces above the metal bath surface of open-top receptacle by gas, liquid metal is entered in catheter, by catheter, liquid metal is shifted and goes outside open-top receptacle; By heater, to the heating liquid in catheter, make liquid metal keep flow regime simultaneously, realized automatically liquid metal being shifted, the staff can operate liquid metal transfer device and situation about can not splash in the liquid metal transfer process in safe distance.
The accompanying drawing explanation
Fig. 1 is the structural representation of liquid metal transfer device of the present invention.
Fig. 2 is the structural representation of the seal cover of liquid metal transfer device of the present invention.
Fig. 3 is the structural representation of the open-top receptacle of liquid metal transfer device of the present invention.
Fig. 4 is the structure for amplifying schematic diagram at A place in Fig. 1.
The specific embodiment
The invention provides a kind of liquid metal transfer device and transfer method, clearer, clear and definite for making purpose of the present invention, technical scheme and effect, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is the structural representation of liquid metal transfer device of the present invention.Fig. 2 is the structural representation of the seal cover of liquid metal transfer device of the present invention.
As depicted in figs. 1 and 2, liquid metal transfer device of the present invention comprises open-top receptacle 10, seal cover 20, air supply pipe 30, catheter 40, feeder (not shown) and heater 50, described open-top receptacle 10 is made by metal material, for the splendid attire liquid metal, as tin liquor.Described seal cover 20, for described open-top receptacle 10, covering, when seal cover 20 is opened, can add solid-state metal in open-top receptacle 10, by 10 heating make its thawing to open-top receptacle, certainly also can directly add liquid metal; After seal cover 20 covers, make open-top receptacle 10 sealings carry out the liquid metal transfer.
In the present embodiment, on described seal cover 20, be provided with the first mistake pore 201 and second and cross pore (not marking in figure), one end of air supply pipe 30 inserts described first and crosses in pore 201, the other end of air supply pipe 30 connects described feeder, and the gas of described feeder output injects open-top receptacle 10 by air supply pipe 30.During concrete enforcement, this feeder is compressed air directly, and the metal bath surface top formation pressure of open-top receptacle 10 is got final product.Described air supply pipe 30 is L-type, described air supply pipe 30 inserts first end of crossing pore 201 and flushes with seal cover 20, make the gas of air supply pipe 30 output all be positioned at the liquid level top of liquid metal, above liquid level, form normal pressure, make the liquid metal can be from catheter 40, deriving.
Please continue to consult Fig. 1 and Fig. 2, described catheter 40 passes described second and crosses pore, and the part of described catheter 40 is positioned at outside open-top receptacle 10, and another part of catheter 40 is arranged in described open-top receptacle 10.Preferably, one end of described catheter 40 is connected with the Sheng liquid device outside open-top receptacle 10, the other end of catheter 40 inserts open-top receptacle 10 bottoms, so that the liquid metal in open-top receptacle 10 all is transferred to outside open-top receptacle 10, and this Sheng liquid device also can adopt the container of sealing, prevent liquid metal be transferred to contain liquid device in the time splash.
Preferably, described catheter 40 is U-shaped, and the length at catheter 40 two ends can be the same or different, and is positioned at the length of open-top receptacle 10 Outboard Sections, with the height of containing liquid device is adaptive, gets final product.Certainly, catheter can also adopt other shape, as L-type, and shaped form etc., the present invention is not restricted this, as long as it is outer liquid metal to be moved to open-top receptacle 10.
As shown in Figure 2, the gas of feeder output is pressed the direction shown in solid arrow in Fig. 2 and is flowed in open-top receptacle 10 by air supply pipe 30, above the liquid level of liquid metal, form normal pressure, the liquid metal that makes open-top receptacle 10 bottoms enters in catheter 40 by the direction of Fig. 2 dotted arrow, and liquid metal is transferred to outside open-top receptacle 10.
In order to make liquid metal in transfer process, keep flowing, described heater 50 is installed on described catheter 40, and by heating catheter 40, the metal that makes to flow through in catheter 40 keeps liquid.Please again consult Fig. 1 and Fig. 2, described heater 50 comprises heating cable 501 and protective sleeve 502, and described heating cable 501 is wrapped on described catheter 40, and described protective sleeve 502 is sheathed on described heating cable 501 and catheter 40.
Wherein, described heating cable 501 uniform winding are positioned on the part in open-top receptacle 10 outsides at catheter 40, and the catheter 40 that makes to be positioned at open-top receptacle 10 outsides is heated evenly.The density that described heating cable 501 is wound around is definite according to the fusing point of liquid metal, and the fusing point of liquid metal is higher, and heating cable 501 is wound around closeer; Otherwise the fusing point of liquid metal is lower, and heating cable 501 is wound around rarer, as long as while guaranteeing that liquid metal flows through this section catheter 40, can occurrence temperature not reduce, and the phenomenon of mobility variation gets final product.
In the embodiment of the present invention, described protective sleeve 502 is glass fibre protective sleeve 502 or ceramic fibre protective sleeve 502, and the protective sleeve 502 that these materials are made has environmental and durable effect.And described protective sleeve 502 can take off, and is convenient to 501 replacings of heating cable and maintenance.
During concrete enforcement; described protective sleeve 502; the preferred ceramic fibre that adopts; ceramic fibre has the heat storing and heat preserving effect; and have the characteristics such as lightweight, high temperature resistant, Heat stability is good; more preferably adopt aluminium oxide and carborundum hybrid ceramic fiber, namely take aluminium oxide and silicon carbide micro-powder as raw material, adopt the extruding sintering process to prepare this ceramic fibre.Described aluminium oxide and silicon carbide micro-powder are nanoscale, and wherein aluminum oxide grain size is distributed in 5 ~ 50nm, and the granularity of silicon carbide micro-powder is at 70nm.After adding suitable quantity of water to stir above-mentioned raw materials, put into pressurizing unit; prepare the fiber pressed compact; drying is placed in pyrographite resistance-type stove; under argon shield with 1200 ℃ of high temperature sinterings; thereby prepare aluminium oxide and carborundum hybrid ceramic fiber; through test, show, the aluminium oxide of finally preparing and its fiber relative density of carborundum hybrid ceramic fiber are high, resistance to elevated temperatures is strong, Heat stability is good, heat storing and heat preserving ability are strong.
Further, described heating cable 501 comprises heater strip (not shown), compression magnesia powder and stainless steel sheath (not shown), described stainless steel sheath is sheathed on described heater strip, and described compression magnesia powder is that the high compression magnesia powder is located between heater strip and stainless steel sheath the two is kept apart as insulating materials.Described heater strip energising can not cause stainless steel sheath charged, also can not cause heater 50 charged, and human body is damaged.Described heater strip is two, and wherein one is heater, and the other end is cold pin, so that wiring, an end of heater and cold pin welds together.
See also Fig. 3, liquid metal transfer device provided by the invention also comprises the fixture (not shown), described open-top receptacle 10 has the retainer plate 101 fixing with seal cover 20, on described retainer plate 101, be provided with a plurality of the first fixing holes 102, on described seal cover 20, correspondence is provided with a plurality of the second fixing holes 202, and described fixture is passed described the first fixing hole 102 and the fixing described seal cover 20 of the second fixing hole 202 and open-top receptacle 10.In the present embodiment, described fixture is bolt, in described the first fixing hole 102 and the second fixing hole 202, is provided with internal thread, so that open-top receptacle 10 is closely fixing with seal cover 20.And described open-top receptacle 10 is provided with electromagnetic pump 60, with the size of this electromagnetic pump 60, determines the degree of depth of open-top receptacle 10 lower cavity.
See also Fig. 1, Fig. 2 and Fig. 4, the inner edge of described seal cover 20 is provided with seal groove 203, in described seal groove 203, is provided with the sealing ring 204 (as shown in Figure 4) be used to sealing described open-top receptacle 10.Described sealing ring 204 is high-temperature resistant seal ring, and its material is soft graphite; Soft graphite claims again expanded graphite, and it is in natural flake graphite, obtaining Impurity removal.After processing, strong oxidation mixed acid becomes graphite oxide again, the graphite oxide decomposes discharges carbon dioxide, volume sharply expands, just become that quality is loose, the soft graphite of softness and flexible, it has excellent heat resistance and cold resistance, its physical property is almost unchanged the superhigh temperature from-270 degree ultralow temperature to 3650 degree, also can anti-high temperature to 600 degree in air.When seal cover 20 and open-top receptacle 10 covered, described sealing ring 204 was positioned at the inner edge of retainer plate 101, makes open-top receptacle 10 inside be sealing state.
In order further to improve sealing effectiveness, at described air supply pipe 30 and first, cross pore 201, and catheter 40 and second arranges sealing gasket between pore excessively, perhaps directly air supply pipe 30 and catheter 40 are prevented to gas leakage with open-top receptacle 10 welding, can suitably reduce the air pressure of feeder output, thereby save the power consumption of feeder.
In order better to control the air pressure of feeder output, on described feeder, be provided with for the pressure regulator valve (not shown) of adjustable pressure with for the flow control valve (not shown) of adjusting gas flow, thereby can better regulate the pressure of feeder output gas.
Based on above-mentioned liquid metal transfer device, the present invention is the corresponding transfer method that a kind of liquid metal transfer device is provided also, and it comprises: first by feeder by air supply pipe to injecting gas in open-top receptacle; Afterwards, by described gas, above the metal bath surface of open-top receptacle, produce air pressure, liquid metal is entered in catheter, by catheter, liquid metal is transferred to outside open-top receptacle; By heater, to the heating liquid in catheter, make liquid metal keep flow regime simultaneously.
Preferably, on feeder, be provided with pressure regulator valve and flow control valve, can liquid metal all be transferred to outside open-top receptacle according to the liquid level adjustable pressure, and control the transfer velocity of liquid metal.The present invention is according to the degree of depth of open-top receptacle, and the pressure of pressure regulator valve is set to 0.1Mpa, and its concrete pressure arranges according to the degree of depth of open-top receptacle and the density of the liquid metal that shifts.After setting force value, can the turn-on flow rate control valve, transfer velocity according to demand arranges uninterrupted.
In sum, the present invention adopts to injecting gas in open-top receptacle, by gas produces above the metal bath surface of open-top receptacle air pressure, liquid metal is entered in catheter, by catheter, liquid metal is shifted and goes outside open-top receptacle; By heater, to the heating liquid in catheter, make liquid metal keep flow regime simultaneously, realized automatically liquid metal being shifted, the staff can operate in safe distance, without directly contact liquid metal transfer device and situation about can not splash in the liquid metal transfer process.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. a liquid metal transfer device, comprise for the open-top receptacle of splendid attire liquid metal, it is characterized in that, also comprises:
Be used for the seal cover that covers with described open-top receptacle;
For the air supply pipe to the open-top receptacle injecting gas;
For liquid metal being derived to the outer catheter of open-top receptacle;
For exporting the feeder of gas;
For heating the heater of catheter;
On described seal cover, be provided with first and cross pore and second and cross pore, an end of described air supply pipe inserts described first and crosses in pore, and the other end of air supply pipe connects described feeder; Described catheter passes described second and crosses pore, and the part of described catheter is positioned at outside open-top receptacle, and another part of catheter is arranged in described open-top receptacle, and described heater is installed on described catheter.
2. liquid metal transfer device according to claim 1, is characterized in that, described heater comprises heating cable and protective sleeve, and described heating cable is wrapped on described catheter, and described protective sleeve is sheathed on described heating cable and catheter.
3. liquid metal transfer device according to claim 2, is characterized in that, described protective sleeve is glass fibre protective sleeve or ceramic fibre protective sleeve.
4. liquid metal transfer device according to claim 2, it is characterized in that, described heater wire cable wrap is drawn together heater strip, compression magnesia powder and stainless steel sheath, and described stainless steel sheath is sheathed on described heater strip, and described compression magnesia powder is located between heater strip and stainless steel sheath.
5. liquid metal transfer device according to claim 2, is characterized in that, described heating cable is wrapped on the part that catheter is positioned at the open-top receptacle outside.
6. liquid metal transfer device according to claim 1, is characterized in that, the inner edge of described seal cover is provided with seal groove, in described seal groove, is provided be used to sealing the sealing ring of described open-top receptacle.
7. liquid metal transfer device according to claim 1, is characterized in that, on described feeder, is provided with for the pressure regulator valve of adjustable pressure with for the flow control valve of adjusting gas flow.
8. liquid metal transfer device according to claim 1, it is characterized in that, also comprise fixture, described open-top receptacle has the retainer plate fixing with described seal cover, on described retainer plate, be provided with a plurality of the first fixing holes, on described seal cover, be provided with a plurality of the second fixing holes, described fixture is passed described the first fixing hole and the fixing described seal cover of the second fixing hole and open-top receptacle.
9. liquid metal transfer device according to claim 1, is characterized in that, described catheter is U-shaped.
10. the transfer method of liquid metal transfer device as claimed in claim 1, is characterized in that, comprising:
Feeder by air supply pipe to injecting gas in open-top receptacle;
By described gas, above the metal bath surface of open-top receptacle, produce air pressure, liquid metal is entered in catheter, by catheter, liquid metal is transferred to outside open-top receptacle; By heater, to the heating liquid in catheter, make liquid metal keep flow regime simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103163010A CN103394786A (en) | 2013-07-25 | 2013-07-25 | Liquid metal transferring device and transferring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103163010A CN103394786A (en) | 2013-07-25 | 2013-07-25 | Liquid metal transferring device and transferring method |
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| CN103394786A true CN103394786A (en) | 2013-11-20 |
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| CN2013103163010A Pending CN103394786A (en) | 2013-07-25 | 2013-07-25 | Liquid metal transferring device and transferring method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106029279A (en) * | 2014-02-27 | 2016-10-12 | 富士机械制造株式会社 | Solder supply device and solder supply method |
| CN110319353A (en) * | 2019-07-05 | 2019-10-11 | 中化环境控股有限公司 | Nuisance transfer equipment and nuisance transfer method |
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| JPH0639263U (en) * | 1992-10-19 | 1994-05-24 | 株式会社神戸製鋼所 | Molten metal transfer device |
| JPH07243773A (en) * | 1994-03-09 | 1995-09-19 | Kobe Steel Ltd | Transfer device for molten metal |
| JP2002011564A (en) * | 2000-06-27 | 2002-01-15 | Mitsubishi Heavy Ind Ltd | Device for recovering molten metal |
| JP2003211265A (en) * | 2002-01-22 | 2003-07-29 | Toyota Motor Corp | Differential pressure type ladle and its molten metal discharging method |
| CN203401187U (en) * | 2013-07-25 | 2014-01-22 | 深圳市劲拓自动化设备股份有限公司 | Liquid metal transferring device |
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2013
- 2013-07-25 CN CN2013103163010A patent/CN103394786A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0639263U (en) * | 1992-10-19 | 1994-05-24 | 株式会社神戸製鋼所 | Molten metal transfer device |
| JPH07243773A (en) * | 1994-03-09 | 1995-09-19 | Kobe Steel Ltd | Transfer device for molten metal |
| JP2002011564A (en) * | 2000-06-27 | 2002-01-15 | Mitsubishi Heavy Ind Ltd | Device for recovering molten metal |
| JP2003211265A (en) * | 2002-01-22 | 2003-07-29 | Toyota Motor Corp | Differential pressure type ladle and its molten metal discharging method |
| CN203401187U (en) * | 2013-07-25 | 2014-01-22 | 深圳市劲拓自动化设备股份有限公司 | Liquid metal transferring device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106029279A (en) * | 2014-02-27 | 2016-10-12 | 富士机械制造株式会社 | Solder supply device and solder supply method |
| CN106029279B (en) * | 2014-02-27 | 2019-06-18 | 株式会社富士 | Solder feedway and Method for supplying solder |
| CN110319353A (en) * | 2019-07-05 | 2019-10-11 | 中化环境控股有限公司 | Nuisance transfer equipment and nuisance transfer method |
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