CN216882172U - Electromagnetic drive's liquid metal fluidic device - Google Patents
Electromagnetic drive's liquid metal fluidic device Download PDFInfo
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- CN216882172U CN216882172U CN202220225318.XU CN202220225318U CN216882172U CN 216882172 U CN216882172 U CN 216882172U CN 202220225318 U CN202220225318 U CN 202220225318U CN 216882172 U CN216882172 U CN 216882172U
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- liquid metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses an electromagnetically-driven liquid metal jet device, which mainly comprises the following components: the cavity pipeline is installed on the top surface of the inner wall of the tank body, the nozzle is installed on the top surface of the right side of the cavity pipeline, a plurality of first heaters are transversely arranged and installed in the tank body, the lower end of the outer barrel body is installed in an installation hole of the top surface of the left side of the tank body, a heat preservation layer is installed on the outer side wall of the tank body, a nut is installed on the installation hole of the left side of the cavity pipeline, the lower end of the inner barrel body is installed on the nut, the bottom of the iron core is installed on the top surface of the left side of the tank body, the iron core is in a seven-tooth comb shape, six groups of coils are installed in grooves in the iron core, the top cover is installed on the top surface of the outer barrel body, the top end of the inner barrel body is installed on the top cover, the top end of the second heater is installed on the top cover, and a plurality of third heaters are longitudinally arranged in the tank body. The utility model has compact structure, convenient installation and maintenance, convenient replacement of the inner cylinder, no leakage of welding flux, safety and environmental protection.
Description
Technical Field
The utility model belongs to the technical field of electromagnetic pumps, and particularly relates to an electromagnetically-driven liquid metal jet device.
Background
An electromagnetic pump is an important device for pumping liquid metal solder in the soldering of electronic parts on a printed circuit board. The induction electromagnetic pump is generally used to generate an induction electromagnetic force through a moving electromagnetic field, and the electromagnetic force acts on the liquid metal in a non-contact manner to generate a thrust force on the liquid metal, so that the liquid metal is sprayed onto a part to be welded through a nozzle. In general, a traveling magnetic field generating unit of such an induction electromagnetic pump winds three-phase excitation coils around an iron core, and generates a traveling magnetic field by generating three-phase alternating current using the three-phase coils.
However, the corrosion of the ferrite stainless steel pipeline is easily caused by the corrosion of the solder in the existing induction electromagnetic pump, so that the leakage of the solder in the ferrite stainless steel is caused, the safety and the environmental protection performance of the induction electromagnetic pump are affected, the maintenance and the replacement are very complicated, and the working efficiency of the induction electromagnetic pump is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the defects in the prior art are overcome, and discloses an electromagnetically-driven liquid metal jet device which is compact in structure, very convenient to install and maintain, safe and environment-friendly, and has an inner cylinder body which is convenient to replace and can not cause leakage of welding flux.
The technical scheme adopted by the utility model for solving the technical problem is as follows: an electromagnetic-driven liquid metal jet device comprises a tank body, a cavity pipeline, a first heater, a heat preservation layer, a nut, an inner barrel body, an iron core, an outer barrel body, a top cover, a second heater, a coil, a nozzle and a third heater, wherein the cavity pipeline is fixedly arranged on the top surface of the inner wall of the tank body, the nozzle is fixedly arranged on the top surface of the right side of the cavity pipeline, the first heaters are transversely arranged and arranged in the tank body, the lower end of the outer barrel body is fixedly arranged in an installation hole of the top surface of the left side of the tank body, the heat preservation layer is arranged on the outer side wall of the tank body, the nut is fixedly arranged on the installation hole of the left side of the cavity pipeline, the lower end of the inner barrel body is fixedly arranged on the nut, the bottom of the iron core is fixedly arranged on the top surface of the left side of the tank body, the iron core is in a seven-tooth comb shape, six groups of coils are arranged in grooves formed in the iron core, and the top cover is fixedly arranged on the top surface of the outer barrel body, the top end of the inner cylinder body is fixedly arranged on the top cover, the top end of the second heater is arranged on the top cover, and the plurality of third heaters are longitudinally arranged in the groove body.
In a preferred embodiment of the present invention, 8 sets of iron cores are mounted on the top surface of the left side of the slot body, and the coils on the iron cores are annular.
In a preferred embodiment of the present invention, the outer cylinder is made of austenitic stainless steel, and the inner cylinder is made of ferritic stainless steel.
As a preferred embodiment of the present invention, a plurality of overflowing holes are uniformly distributed on the inner cylinder body along the circumferential direction.
In a preferred embodiment of the present invention, the height of the overflowing hole is 3-6 mm lower than the liquid level at the nozzle.
In a preferred embodiment of the present invention, the distance between the inner cylinder and the outer cylinder is 2 to 10 mm.
As a preferred embodiment of the present invention, the tank, the cavity pipe and the nut are all made of austenitic stainless steel.
In a preferred embodiment of the present invention, heating tube sleeves are mounted outside the first heater, the second heater and the third heater, and the heating tube sleeves are made of austenitic stainless steel.
The electromagnetic system comprises 8 groups of iron cores and 6 groups of coils, wherein the iron cores are 7-tooth comb-shaped, and the coils are annular; the coils are 1/2/3/4/5/6 in sequence, wherein 1 and 4 are connected in series, 2 and 5 are connected in series, 3 and 6 are connected in series, and three-phase alternating current is connected according to a star connection method; the inner cylinder body is concentric with the outer cylinder body, the outer cylinder body is made of austenitic stainless steel, and the inner cylinder body is made of ferritic stainless steel; the outer cylinder body is welded on the top surface of the left side of the tank body, the inner cylinder body is in spiral connection with the lower inner wall of the left side of the cavity pipeline, and a nut is welded on the lower inner wall of the cavity pipeline; the cavity pipeline at the central position in the groove body can be square or round, and a heater sleeve is welded in the groove body, so that the first electric heating pipe, the second heating pipe and the third heating pipe can be conveniently installed; the tank body, the cavity pipeline and the heater sleeve are made of austenitic stainless steel; the cavity pipeline forms a power channel of the electromagnetic pump, the nozzle is connected with the cavity pipeline through a flange, and the nozzle has various types and can be replaced.
The working principle of the utility model is as follows: the method comprises the following steps: after the solder in the tank body is heated by the plurality of first heaters and the plurality of third heaters, the molten solder enters the inner cylinder body from the bottom of the inner cylinder body, and the second heater is arranged at the upper end of the inner cylinder body to prevent the solder at the top end of the inner cylinder body from being cooled and agglomerated; step two: the solder in the inner cylinder body enters between the inner cylinder body and the outer cylinder body through the overflowing hole, 1 and 4, 2 and 5 and 3 and 6 of the 6 groups of coils are connected in series and are connected with three-phase alternating current in a star connection mode, and the solder between the inner cylinder body and the outer cylinder body is driven to move downwards through electromagnetic force; step three: the welding flux between the inner cylinder and the outer cylinder enters the left side of the cavity pipeline through the left inlet of the cavity pipeline, the welding flux enters the spray nozzle through the cavity pipeline, the spray nozzle is connected with the top end of the right side of the cavity pipeline through a flange, and the spray nozzle can be replaced by various models.
Compared with the prior art, the utility model has the following advantages:
(1) the structure is compact, the electromagnetic driving part is arranged at the left upper part of the tank body, so that the installation and maintenance are convenient, the disassembly and maintenance are very convenient, and the operation efficiency is greatly improved;
(2) ferrite stainless steel (inner cylinder) as a magnetic field circuit does not cause leakage of solder even if corroded by lead-free solder in the device, and is easy to replace.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure A-A of the present invention.
Description of reference numerals:
1: a tank body, 2: cavity pipeline, 3: first heater, 4: insulating layer, 5: nut, 6: inner cylinder, 7: iron core, 8: outer cylinder, 9: top cover, 10: second heater, 11: coil, 12: spout, 13: and a third heater.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 and 2, which illustrate a specific embodiment of the present invention, as shown in the drawings, the present invention discloses an electromagnetically driven liquid metal jet apparatus, including a tank 1, a cavity pipeline 2, a first heater 3, a heat insulating layer 4, a nut 5, an inner cylinder 6, an iron core 7, an outer cylinder 8, a top cover 9, a second heater 10, a coil 11, a nozzle 12, and a third heater 13, wherein the cavity pipeline 2 is fixedly installed on the top surface of the inner wall of the tank 1, the nozzle 12 is fixedly installed on the top surface of the right side of the cavity pipeline 2, a plurality of first heaters 3 are transversely arranged and installed in the tank 1, the lower end of the outer cylinder 8 is fixedly installed in an installation hole on the top surface of the left side of the tank 1, the heat insulating layer 4 is installed on the outer side wall of the tank 1, the nut 5 is fixedly installed on an installation hole on the left side of the cavity pipeline 2, the lower end of the inner cylinder 6 is fixedly installed on the nut 5, iron core 7 bottom fixed mounting is on 1 left side top surface of cell body, iron core 7 is seven pectins, six groups in coil 11 installs the recess on iron core 7, top cap 9 fixed mounting is on the top surface of outer barrel 8, 6 top fixed mounting on top cap 9 of interior barrel, install on top cap 9 on 10 tops of second heater, and is a plurality of third heater 13 is vertically arranged in cell body 1.
Preferably, eight groups of iron cores 7 are mounted on the top surface of the left side of the tank body 1, and the coils 11 on the iron cores 7 are annular.
Preferably, the outer cylinder 8 is made of austenitic stainless steel and the inner cylinder 6 is made of ferritic stainless steel.
Preferably, a plurality of overflowing holes are uniformly distributed on the inner cylinder 6 along the circumferential direction.
Preferably, the height position of the overflowing hole on the inner cylinder 6 is 3-6 mm lower than the liquid level position at the nozzle 12.
Preferably, the distance between the inner cylinder 6 and the outer cylinder 8 is 2-10 mm.
Preferably, the tank body 1, the cavity pipeline 2 and the nut 5 are all made of austenitic stainless steel materials.
Preferably, heating tube sleeves are mounted outside the first heater 3, the second heater 10 and the third heater 13 and made of austenitic stainless steel materials.
The electromagnetic system comprises 8 groups of iron cores 7 and 6 groups of coils 11, wherein the iron cores 7 are 7-tooth comb-shaped, and the coils 11 are annular; the coils 11 are 1/2/3/4/5/6 in sequence, wherein 1 and 4 are connected in series, 2 and 5 are connected in series, 3 and 6 are connected in series, and three-phase alternating current is connected according to a star connection method; the inner cylinder 6 is concentric with the outer cylinder 8, the outer cylinder 8 is austenitic stainless steel, and the inner cylinder 6 is ferritic stainless steel; the outer cylinder 8 is welded on the top surface of the left side of the tank body 1, the inner cylinder 6 is in spiral connection with the lower inner wall of the left side of the cavity pipeline 2, and the lower inner wall of the cavity pipeline 2 is welded with the nut 5; the cavity pipeline 2 at the central position in the tank body 1 can be square or round, and a heater sleeve is welded in the tank body 1, so that the first electric heating pipe 3, the second heating pipe 10 and the third heating pipe 13 can be conveniently installed; the tank body 1, the cavity pipeline 2 and the heater sleeve are made of austenitic stainless steel; the cavity pipeline 2 forms a power channel of the electromagnetic pump, the nozzle 12 is connected with the cavity pipeline 2 through a flange, and the nozzle 12 has various types and can be replaced.
The working principle of the utility model is as follows: the method comprises the following steps: after the solder in the tank body 1 is heated by the plurality of first heaters 3 and the plurality of third heaters 13, the molten solder enters the inner cylinder body 6 through the bottom of the inner cylinder body 6, and the second heater 10 is arranged at the upper end of the inner cylinder body 6 to prevent the solder at the top end of the inner cylinder body 6 from being cooled and agglomerated; step two: the solder in the inner cylinder 6 enters between the inner cylinder 6 and the outer cylinder 8 through the overflowing hole, 1 and 4, 2 and 5 and 3 and 6 in 6 groups of coils are connected in series and connected to three-phase alternating current in a star connection mode, and the solder between the inner cylinder 6 and the outer cylinder 8 is driven to move downwards through electromagnetic force; step three: the solder between the inner cylinder body 6 and the outer cylinder body 8 enters the left side of the cavity pipeline 2 through the inlet on the left side of the cavity pipeline 2, the solder enters the spout 12 through the cavity pipeline 2, the spout 12 is connected with the top end of the right side of the cavity pipeline 2 through a flange, and the spout 12 can be replaced by various models.
Although the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Many other changes and modifications can be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (8)
1. An electromagnetically-driven liquid metal jet assembly, comprising: the heating device comprises a tank body, a cavity pipeline, a first heater, a heat insulation layer, a nut, an inner cylinder body, an iron core, an outer cylinder body, a top cover, a second heater, a coil, a nozzle and a third heater, wherein the cavity pipeline is fixedly arranged on the top surface of the inner wall of the tank body, the nozzle is fixedly arranged on the top surface of the right side of the cavity pipeline, the first heaters are transversely arranged and arranged in the tank body, the lower end of the outer cylinder body is fixedly arranged in an installation hole of the top surface of the left side of the tank body, the heat insulation layer is arranged on the outer side wall of the tank body, the nut is fixedly arranged on the installation hole of the left side of the cavity pipeline, the lower end of the inner cylinder body is fixedly arranged on the nut, the bottom of the iron core is fixedly arranged on the top surface of the left side of the tank body, the iron core is in a seven-tooth comb shape, six groups of coils are arranged in grooves formed in the iron core, the top cover is fixedly arranged on the top surface of the outer cylinder body, the top end of the inner cylinder body is fixedly arranged on the top cover, the second heater is mounted on the top cover, and the third heaters are longitudinally arranged in the groove body.
2. An electromagnetically powered liquid metal jet as claimed in claim 1, wherein: and 8 groups of iron cores are mounted on the top surface of the left side of the groove body, and the coils on the iron cores are annular.
3. An electromagnetically powered liquid metal jet as claimed in claim 1, wherein: the outer cylinder is made of austenitic stainless steel and the inner cylinder is made of ferritic stainless steel.
4. An electromagnetically powered liquid metal jet as claimed in claim 1, wherein: a plurality of overflowing holes are uniformly distributed in the inner cylinder body along the circumferential direction.
5. An electromagnetically powered liquid metal jet as claimed in claim 4, wherein: the height position of the overflowing hole is 3-6 mm lower than the liquid level position at the nozzle.
6. An electromagnetically powered liquid metal jet as claimed in claim 1, wherein: the distance between the inner cylinder and the outer cylinder is 2-10 mm.
7. An electromagnetically powered liquid metal jet as claimed in claim 1, wherein: the tank body, the cavity pipeline and the nut are all made of austenitic stainless steel materials.
8. An electromagnetically powered liquid metal jet as claimed in claim 1, wherein: and heating pipe sleeves are arranged outside the first heater, the second heater and the third heater and are made of austenitic stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220225318.XU CN216882172U (en) | 2022-01-27 | 2022-01-27 | Electromagnetic drive's liquid metal fluidic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220225318.XU CN216882172U (en) | 2022-01-27 | 2022-01-27 | Electromagnetic drive's liquid metal fluidic device |
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| CN216882172U true CN216882172U (en) | 2022-07-05 |
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| CN202220225318.XU Active CN216882172U (en) | 2022-01-27 | 2022-01-27 | Electromagnetic drive's liquid metal fluidic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515882A (en) * | 2022-01-27 | 2022-05-20 | 西安工程大学 | Electromagnetically-driven liquid metal jet device and operation method thereof |
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- 2022-01-27 CN CN202220225318.XU patent/CN216882172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515882A (en) * | 2022-01-27 | 2022-05-20 | 西安工程大学 | Electromagnetically-driven liquid metal jet device and operation method thereof |
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