CN102974834A - Device for preparing ultrafine solder powder - Google Patents
Device for preparing ultrafine solder powder Download PDFInfo
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- CN102974834A CN102974834A CN2012105047984A CN201210504798A CN102974834A CN 102974834 A CN102974834 A CN 102974834A CN 2012105047984 A CN2012105047984 A CN 2012105047984A CN 201210504798 A CN201210504798 A CN 201210504798A CN 102974834 A CN102974834 A CN 102974834A
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Abstract
The invention relates to a device for preparing ultrafine solder powder. The device comprises a powder making tank, a tin welding liquid heat-preserving furnace, a high-speed motor, an atomizing disk, a turnover tank and a support platform, and is characterized in that the powder making tank is arranged on the support platform through a knee plate, and consists of a tank body, a cooling water groove, a water inlet pipe and a water outlet pipe; the tank body is conical; the top of the tank body is provided with a dual-layer body of a circular-arc-shaped sealing head; the cooling water groove is welded in the inner layer of the tank body in the inner cavity of the dual-layer tank body around a spiral semicircular pipe; two inverted-V-shaped through hole pipes are arranged on the lower cone of the tank body; the lower parts of the through hole pipes and the tank body are welded integrally; and the bottom outlet of the tank body passes through a flange. The device has the advantages and effects of high production efficiency, suitability for large-scale industrial production, controllable grain size distribution and grain size, simple structure, environment friendliness, energy saving and attractive appearance.
Description
Technical field
The present invention relates to a kind of ultra-fine solder powder preparation facilities, specifically relate to a kind ofly prepare ultra-fine solder powder preparation facilities by centrifugal atomizing method, belong to the metal manufacture field.
Background technology
The method of all the time producing ultra-fine solder powder mainly is to adopt ultrasonic method and high-pressure injection method, ultrasonic method is because production efficiency is low, be not widely used, the high-pressure injection method prepares solder powder, because spray regime restriction, the granular size specification of the solder powder of producing distributes too wide, and the sphericity of particle is not ideal enough, because all there is the defective of difference degree of being in the above-mentioned method for preparing solder powder, so restricted the large rule suitability for industrialized production of solder powder, along with electronics industry is growing, the application of printing mount technology, more and more to the demand of solder powder, must seek more efficient solder powder production equipment, make solder powder can enter large-scale industrial production, to satisfy the demand of social development.
Summary of the invention
Purpose of the present invention is just in order to overcome the above-mentioned shortcoming that oneself has a technology with not enough, and provide a kind of a kind of ultra-fine solder powder preparation facilities that adopts centrifugal atomizing method, thereby produce the solder powder of high-quality high yield, also improved product quality and productivity ratio, also satisfied and for realizing that the large-scale industrial production solder powder provides sophisticated equipment.
The objective of the invention is to realize by following technical proposal:
A kind of ultra-fine solder powder preparation facilities, comprise powder process tank 1, tin soldering liquid holding furnace 2, high-speed electric expreess locomotive 3, atomizing dish 4, non-conservation tank 5 and support platform 6, described powder process tank is installed on the support platform by bracket, it is by tank body 7, bosh 8, water inlet pipe 9 and outlet pipe 10 form, tank body is the duplex that coniform top is the circular arc end socket, bosh is coiling the internal layer that the spirality semicircular pipe is welded on tank body at the double layers of tank body inner chamber, the lower cone of tank body has two through-hole pipes 11 that are " eight " font, bottom and the tank body of through-hole pipe are welding as one, the tank base outlet is connected with the first butterfly valve 13 by flange 12, a plurality of air inlet pipe adpting flanges are arranged at the tank body top, on the large flange 14 in the top that described tin soldering liquid holding furnace is installed in the powder process tank, it is by body of heater 15, furnace internal-lining 16, cylinder 17, push rod 18 and nozzle 19 form, furnace internal-lining is installed in the body of heater, the outer wall of body of heater and bottom surface all are filled with heat-barrier material, the outer wall of furnace internal-lining and bottom surface are wrapped in the heating circle, a rectangle support plate 20 is fixed on the top of body of heater, fixing cylinder saddle 21 on the support plate, cylinder is fixed on the cylinder saddle, fairlead 22 is fixed on the support plate centre bore, push rod passes the nozzle that exports under fairlead and the body of heater on same center line, nozzle threads connects coated outside and the heating circle, described high-speed electric expreess locomotive is installed in the scolder liquid holding furnace below in the powder process tank, be vertically fixed on the motor cabinet 24 on the motor cabinet support plate 23, the motor cabinet support plate is bearing on the upper horizontal support plate 26 by four poles 25, at upper horizontal support plate fixedly left and right adjusting plate 27 and front and back adjustable plate 28, upper horizontal support plate is connected supporting by four adjusting screw(rod)s 29 with lower horizontal support plate 30 fixing, the front and back adjustable plate is regulated by adjusting rod 37, described atomizing dish adopts the material of corrosion-and high-temp-resistant to make body in the form of annular discs, be fixed on the High-speed Electric upper shaft, on the same vertical line in center of atomizing dish center and nozzle, described non-conservation tank be installed in the powder process tank under, and be fixed on the dolly 31 that castor is housed, non-conservation tank charging flange 32 and discharging flange 33 are equipped with respectively the second butterfly valve 34 and the 3rd butterfly valve 35, non-conservation tank is connected with the usefulness flexible pipe 36 of powder process tank two butterfly valves, and non-conservation tank is provided with inflation, exhaust outlet and observation panel.
Described scolding tin is unleaded tin solder and plumbous tin solder is arranged, described tank diameter is 2600mm～3200mm, and the coniform angle of tank body is 60 °～90 °, and described atomizing dish diameter is 30～50mm, described rotating speed is 45000～120000 to turn/per minute powder process particle diameter fineness 5 ~ 45 μ m.
Device of the present invention adopts high-speed electric expreess locomotive drive atomizing dish to carry out scolder liquid centrifugal atomizing in the anaerobic vacuum tank, the tin soldering liquid that throws away under centrifugal effect is mist-like and floats in tank, after mist-like tin soldering liquid chance is cold, condense into the orbicule of tiny all size, can obtain various scolding tin by the different rotating speeds of regulating high-speed electric expreess locomotive is unleaded tin solder and the ultra-fine solder powder that plumbous tin solder is arranged.
Have following advantage and effect owing to take technique scheme to make technology of the present invention and oneself have technology to compare:
(a) solder powder of this device preparation adopts the centrifugal atomizing method, and production efficiency is high, is suitable for large-scale industrial production;
(b) solder powder of this device preparation has the big or small controlled of size distribution and granularity;
(c) simple in structure, environmental protection, energy-conservation, good looking appearance.
Description of drawings
Fig. 1 is ultra-fine solder powder preparation facilities structural representation of the present invention.
Fig. 2 is the tin soldering liquid Bao Wen Lu Knot structure schematic diagram of Fig. 1.
Fig. 3 is the high-speed electric expreess locomotive assembling schematic diagram of Fig. 1.
Fig. 4 is the A-A profile of Fig. 3.
The specific embodiment
A kind of ultra-fine solder powder preparation facilities, by shown in Figure 1, comprise powder process tank 1, tin soldering liquid holding furnace 2, high-speed electric expreess locomotive 3, atomizing dish 4, non-conservation tank 5 and support platform 6, described powder process tank is installed on the support platform by bracket, it is by tank body 7, bosh 8, water inlet pipe 9 and outlet pipe 10 form, tank body is the duplex that coniform top is the circular arc end socket, tank diameter is 2600mm～3200mm, the coniform angle of tank body is 60 °～90 °, bosh is coiling the internal layer that the spirality semicircular pipe is welded on tank body at the double layers of tank body inner chamber, the lower cone of tank body has two through-hole pipes 11 that are " eight " font, bottom and the tank body of through-hole pipe are welding as one, through-hole pipe serves many purposes, be used on the one hand the high-speed electric expreess locomotive bearing support, be used on the other hand the introducing of motor wire, the introducing of the lubricating oil of motor and motor cooling fluid, the tank base outlet is connected with the first butterfly valve 13 by flange 12, a plurality of air inlet pipe adpting flange (not shown) are arranged at the tank body top, the input that is used for nitrogen or replenishes other inert gas, it is less than 100ppm that air in the drain tank keeps the oxygen content in the tank, pressure-0.1MPa, guarantee the needed working environment of powder process, on the large flange 14 in the top that described tin soldering liquid holding furnace is installed in the powder process tank, by Fig. 1, it is by body of heater 15 shown in 2, furnace internal-lining 16, cylinder 17, push rod 18 and nozzle 19 form, furnace internal-lining is installed in the body of heater, the outer wall of body of heater and bottom surface all are filled with the heat-barrier material (not shown), the outer wall of furnace internal-lining and bottom surface are wrapped in heating circle (not shown), the scolding tin temperature homeostasis that keeps furnace internal-lining, so that the temperature in the stove remains on best atomization temperature, a rectangle support plate 20 is fixed on the top of body of heater, fixed cylinder bearing 21 on the support plate, cylinder is fixed on the cylinder saddle, fairlead 22 is fixed on the support plate centre bore, push rod passes the nozzle that exports under fairlead and the body of heater on same center line, nozzle threads connects coated outside and the heating circle, be threaded and be convenient to change nozzle, the heating circle keeps smelting temperature stable, prevent that Yin Wendu from reducing tin liquor plug nozzle hole, described high-speed electric expreess locomotive, by shown in Figure 3, its rotating speed is 45000～120000 to turn/per minute, powder process particle diameter fineness is 5～45 μ m, the motor cabinet support plate is bearing on the upper horizontal support plate 26 by four poles 25, the atomizing effect that the atomizing dish is produced is better, and can make the high-speed electric expreess locomotive also can vibration-generating when operate at high speeds, at upper horizontal support plate fixedly left and right adjusting plate 27 and front and back adjustable plate 28, such as Fig. 3, shown in 4, upper horizontal support plate is connected supporting by four adjusting screw(rod)s 29 with lower horizontal support plate 30 fixing, adjusting rod 37 can be regulated the front and back of support, the chute that designs on the left and right adjusting plate, can carry out left and right adjusting, the center of protecting the atomizing dish is consistent with the center of nozzle, upper horizontal support plate is to be supported by four adjusting screw(rod)s, can realize adjusting up and down, make the bottom surface of end face and the nozzle of atomizing dish keep the distance of stipulating, to guarantee the atomizing effect of tin liquor, described atomizing dish adopts the material of corrosion-and high-temp-resistant to make body in the form of annular discs, and atomizing dish diameter is 30～50mm.Be fixed on the High-speed Electric upper shaft, on the same vertical line in center of atomizing dish center and nozzle, described non-conservation tank be installed in the powder process tank under, be used for collecting solder powder, and be fixed on the dolly 31 that castor is housed, non-conservation tank charging flange 32 and discharging flange 33 are equipped with respectively the second butterfly valve 34 and the 3rd butterfly valve 35, and non-conservation tank is connected with the usefulness flexible pipe 36 of powder process tank two butterfly valves, and non-conservation tank is provided with inflation, exhaust outlet and observation panel (not shown).
The course of work
At first use vavuum pump that the powder process tank is evacuated, or toward the interior inflated with nitrogen of powder process tank, until the air in the tank is discharged fully, detect through oxygen determination and pressure tester, after being vacuum state in the tank, reach mark Huaihe River vacuum, behind the pressure, simultaneously the scolding tin raw material is carried out remelting at other smelting furnace, after its tin liquor reaches the temperature that sets, after sampling detection composition is qualified, start high-speed electric expreess locomotive, select required high-speed electric expreess locomotive rotating speed according to granularity requirements, open cooling water system, will be through melted scolder liquid be transported to the top holding furnace inner bag of powder process tank by the pipeline transportation mode in, tin soldering liquid is through constant temperature, after parameters reaches requirement, the cylinder action, the push rod that compresses nozzle bore moves up, nozzle bore has been opened, tin soldering liquid liquid under the effect of deadweight flows out along nozzle, be injected on the atomizing dish at high-speed electric expreess locomotive top, according to the technological requirement of producing all size glass putty, the atomizing dish turns/per minute to be not less than 45000, maximum speed can reach 120000 turn/the speed rotation of per minute throws away tin soldering liquid from dish, the tin soldering liquid that throws away under centrifugal effect is mist-like and floats in tank, after mist-like tin soldering liquid chance is cold, condense into the orbicule of tiny all size, after these tiny orbicules deposit, just formed ultra-fine solder powder, general particle diameter 5-45 μ m, glass putty slides along powder process tank inwall, accumulate in the powder process pot bottom, the butterfly valve of powder process pot bottom is opened, solder powder is filled in advance through the good non-conservation tank of application of vacuum along flexible pipe, after non-conservation tank is full of solder powder, close the butterfly valve of powder process, also close two butterfly valves of non-conservation tank simultaneously, open adpting flange, flexible pipe separates with non-conservation tank to be released dolly afterwards, changes overhead non-conservation tank, proceeds the production of another tank solder powder.
With said apparatus and using method, to select two kinds of scolding tin be unleaded tin solder and a kind ofly have plumbous tin solder to carry out ultra-fine solder powder preparation, specific as follows:
1, selected kupper solder Sn63Pb37, with apparatus of the present invention powder process particle diameter 25～45 μ m, tank diameter is 2600mm, the coniform angle of tank body is 60 °, and atomizing dish diameter is 30mm, and the high-speed electric expreess locomotive rotating speed is 45000 to turn/per minute, 250 ℃ of tin soldering liquid temperature, oxygen content in the powder process tank is less than 100ppm, and pressure-0.1MPa, hourly output are 140kg.
2, select lead-free solder SnCu0.7, be 2600mm with apparatus of the present invention powder process particle diameter 15～25 μ m, tank diameter, the coniform angle of tank body is 90 °, atomizing dish diameter is 40mm, the high-speed electric expreess locomotive rotating speed is 60000 to turn/per minute, 320 ℃ of tin soldering liquid temperature, and the oxygen content in the powder process tank is less than 100ppm, pressure-0.1MPa, hourly output are 130kg.
3, select lead-free solder SnAg3.0Cu0.5, with apparatus of the present invention powder process particle diameter 5～15 μ m, tank diameter is 3200mm, the coniform angle of tank body is 90 °, and atomizing dish diameter is 50mm, and the high-speed electric expreess locomotive rotating speed is 120000 to turn/per minute, 320 ℃ of tin soldering liquid temperature, oxygen content in the powder process tank is less than 100ppm, and pressure-0.1MPa, hourly output are 120kg.
Claims (5)
1. a ultra-fine solder powder preparation facilities comprises powder process tank (1), tin soldering liquid holding furnace (2), high-speed electric expreess locomotive (3), atomizing dish (4), non-conservation tank (5) and support platform (6), it is characterized in that:
Described powder process tank is installed on the support platform by bracket, it is by tank body (7), bosh (8), water inlet pipe (9) and outlet pipe (10) form, tank body is the duplex that coniform top is the circular arc end socket, bosh is coiling the internal layer that the spirality semicircular pipe is welded on tank body at the double layers of tank body inner chamber, the lower cone of tank body has two through-hole pipes (11) that are " eight " font, bottom and the tank body of through-hole pipe are welding as one, the tank base outlet is connected with the first butterfly valve (13) by flange (12), a plurality of air inlet pipe adpting flanges are arranged at the tank body top, on the large flange in top (14) that described tin soldering liquid holding furnace is installed in the powder process tank, it is by body of heater (15), furnace internal-lining (16), cylinder (17), push rod (18) and nozzle (19) form, furnace internal-lining is installed in the body of heater, the outer wall of body of heater and bottom surface all are filled with heat-barrier material, the outer wall of furnace internal-lining and bottom surface are wrapped in the heating circle, a rectangle support plate (20) is fixed on the top of body of heater, fixing cylinder saddle (21) on the support plate, cylinder is fixed on the cylinder saddle, fairlead (22) is fixed on the support plate centre bore, push rod passes the nozzle that exports under fairlead and the body of heater on same center line, nozzle threads connects coated outside and the heating circle, described high-speed electric expreess locomotive is installed in the scolder liquid holding furnace below in the powder process tank, be vertically fixed on the motor cabinet (24) on the motor cabinet support plate (23), the motor cabinet support plate is bearing on the upper horizontal support plate (26) by four poles (25), at upper horizontal support plate fixedly left and right adjusting plate (27) and front and back adjustable plate (28), upper horizontal support plate is connected supporting by four adjusting screw(rod)s (29) with lower horizontal support plate (30) fixing, the front and back adjustable plate is regulated by adjusting rod (37), described atomizing dish adopts the material of corrosion-and high-temp-resistant to make body in the form of annular discs, be fixed on the High-speed Electric upper shaft, on the same vertical line in center of atomizing dish center and nozzle, described non-conservation tank be installed in the powder process tank under, and be fixed on the dolly (31) that castor is housed, non-conservation tank charging flange (32) and discharging flange (33) are equipped with respectively the second butterfly valve (34) and the 3rd butterfly valve (35), non-conservation tank is connected with the usefulness flexible pipe (36) of powder process tank two butterfly valves, and non-conservation tank is provided with inflation, exhaust outlet and observation panel.
2. described ultra-fine solder powder preparation facilities according to claim 1 is characterized in that described scolding tin is unleaded tin solder and plumbous tin solder is arranged.
3. described ultra-fine solder powder preparation facilities according to claim 1 is characterized in that described tank diameter is 2600mm～3200mm, and the coniform angle of tank body is 60 °～90 °.
4. described ultra-fine solder powder preparation facilities according to claim 1 is characterized in that described atomizing dish diameter is 30～50mm.
5. described ultra-fine solder powder preparation facilities according to claim 1 is characterized in that described high-speed electric expreess locomotive rotating speed is 45000～120000 to turn/per minute, and powder process particle diameter fineness is 5～45 μ m.
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| CN2012105047984A CN102974834A (en) | 2012-11-30 | 2012-11-30 | Device for preparing ultrafine solder powder |
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| CN2012105047984A CN102974834A (en) | 2012-11-30 | 2012-11-30 | Device for preparing ultrafine solder powder |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106563810A (en) * | 2016-12-16 | 2017-04-19 | 江苏广昇新材料有限公司 | Centrifugal atomized powder making technology of high-performance solder powder and device thereof |
| CN107012338A (en) * | 2017-03-17 | 2017-08-04 | 昆明理工大学 | A kind of method that efficient high-recovery reclaims industrial glass putty |
| CN107661983A (en) * | 2017-11-23 | 2018-02-06 | 湖南久泰冶金科技有限公司 | A kind of low metal atomization powder manufacturing apparatus of satellite ball content |
| CN108526474A (en) * | 2018-06-26 | 2018-09-14 | 广东大族粤铭激光集团股份有限公司 | A kind of vacuum atomizing powder manufacturing apparatus |
| CN110281157A (en) * | 2019-08-06 | 2019-09-27 | 安徽理工大学 | A kind of adjustable the Premixed Abrasive Water Jet device |
| CN115229195A (en) * | 2022-08-04 | 2022-10-25 | 中国地质大学（北京） | Nano amorphous alloy preparation device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106563810A (en) * | 2016-12-16 | 2017-04-19 | 江苏广昇新材料有限公司 | Centrifugal atomized powder making technology of high-performance solder powder and device thereof |
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| CN107012338A (en) * | 2017-03-17 | 2017-08-04 | 昆明理工大学 | A kind of method that efficient high-recovery reclaims industrial glass putty |
| CN107661983A (en) * | 2017-11-23 | 2018-02-06 | 湖南久泰冶金科技有限公司 | A kind of low metal atomization powder manufacturing apparatus of satellite ball content |
| CN108526474A (en) * | 2018-06-26 | 2018-09-14 | 广东大族粤铭激光集团股份有限公司 | A kind of vacuum atomizing powder manufacturing apparatus |
| CN110281157A (en) * | 2019-08-06 | 2019-09-27 | 安徽理工大学 | A kind of adjustable the Premixed Abrasive Water Jet device |
| CN110281157B (en) * | 2019-08-06 | 2024-03-29 | 安徽理工大学 | Adjustable front mixed abrasive jet device |
| CN115229195A (en) * | 2022-08-04 | 2022-10-25 | 中国地质大学（北京） | Nano amorphous alloy preparation device |
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Application publication date: 20130320 |