CN113909732A - Soldering paste preparation device and preparation method - Google Patents
Soldering paste preparation device and preparation method Download PDFInfo
- Publication number
- CN113909732A CN113909732A CN202111108445.8A CN202111108445A CN113909732A CN 113909732 A CN113909732 A CN 113909732A CN 202111108445 A CN202111108445 A CN 202111108445A CN 113909732 A CN113909732 A CN 113909732A
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- flux
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- hopper
- fan
- atomizer
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- 238000002360 preparation method Methods 0.000 title claims abstract description 46
- 238000005476 soldering Methods 0.000 title abstract description 39
- 230000004907 flux Effects 0.000 claims abstract description 146
- 239000000843 powder Substances 0.000 claims abstract description 74
- 239000002904 solvent Substances 0.000 claims abstract description 39
- 238000005219 brazing Methods 0.000 claims abstract description 35
- 238000007664 blowing Methods 0.000 claims abstract description 10
- 238000011049 filling Methods 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims description 7
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000003756 stirring Methods 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 11
- 238000007599 discharging Methods 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 230000006872 improvement Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000002994 raw material Substances 0.000 description 6
- 238000000227 grinding Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 239000010953 base metal Substances 0.000 description 3
- 229910052810 boron oxide Inorganic materials 0.000 description 3
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- FZQSLXQPHPOTHG-UHFFFAOYSA-N [K+].[K+].O1B([O-])OB2OB([O-])OB1O2 Chemical compound [K+].[K+].O1B([O-])OB2OB([O-])OB1O2 FZQSLXQPHPOTHG-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000006199 nebulizer Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
- B23K35/025—Pastes, creams, slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention relates to a soldering paste preparation device and a preparation method. The flux paste preparation device comprises: a collection container having an opening facing upward to collect the flux paste; the hopper is positioned above the collecting container and is used for filling brazing flux powder; the fan is arranged between the collecting container and the hopper and used for uniformly blowing the brazing flux powder discharged by the hopper to the position right above the collecting container; and the atomizer is used for blowing the atomized solvent to the uniform brazing flux powder so that the atomized solvent is combined with the brazing flux powder and falls into the collection container. According to the soldering paste preparation device, after the soldering flux powder in the hopper is discharged, the soldering flux powder is blown away by the fan and is uniformly mixed, so that the uniform mixing efficiency is greatly improved; then, the atomized solvent sprayed by the atomizer is fully combined with the soldering flux powder to quickly form soldering paste and fall into a collection container; the flux powder and the solvent can be uniformly mixed without stirring, the preparation time of the flux paste is reduced, and the production efficiency is greatly improved.
Description
Technical Field
The invention relates to a soldering paste preparation device and a preparation method.
Background
The soldering flux is also called soldering flux, and the soldering flux is a flux used in the soldering process and is matched with solder to ensure that the soldering process is smoothly carried out and a compact soldered joint is obtained. The flux can remove oxides on the surfaces of the molten brazing filler metal and the base metal, dissolve residual compounds or products in the brazing operation, and protect the surfaces of the brazing filler metal and the base metal from being continuously oxidized. Meanwhile, the brazing flux can improve the wettability of the brazing filler metal on the base metal, promote interface activation and enable the brazing filler metal to smoothly realize the brazing process.
The flux paste belongs to one kind of flux, and is prepared by mixing flux powder such as boron oxide and potassium fluoborate with solvent such as water and ethanol in a larger container and stirring with a stirring tool. In order to ensure the quality of the soldering flux paste, long-time stirring is required to ensure that the flux powder and the solvent are uniformly mixed, which results in longer preparation time of the soldering flux and reduced production efficiency.
Disclosure of Invention
The invention aims to provide a soldering paste preparation device, which aims to solve the technical problem that the production efficiency is reduced because the soldering paste preparation time is longer in the prior art; the invention aims to provide a preparation method of a soldering paste.
The soldering paste preparation device adopts the following technical scheme:
a flux paste preparation apparatus includes:
a collection container having an opening facing upward to collect the flux paste;
the hopper is positioned above the collecting container and is used for filling brazing flux powder;
the fan is arranged between the collecting container and the hopper and used for uniformly blowing the brazing flux powder discharged by the hopper to the position right above the collecting container;
and the atomizer is used for blowing the atomized solvent to the uniform brazing flux powder so that the atomized solvent is combined with the brazing flux powder and falls into the collection container.
The beneficial effects are that: according to the soldering paste preparation device, after the soldering flux powder in the hopper is discharged, the soldering flux powder is blown away by the fan and is uniformly mixed, so that the uniform mixing efficiency is greatly improved; then, the atomized solvent sprayed by the atomizer is fully combined with the soldering flux powder to quickly form soldering paste and fall into a collection container; the flux powder and the solvent can be uniformly mixed without stirring, the preparation time of the flux paste is reduced, and the production efficiency is greatly improved.
As a further improvement, the hoppers are provided with at least two.
The beneficial effects are that: by the design, the flux paste preparation device is suitable for various flux powder, and the universality of the flux paste preparation device is improved; meanwhile, the flux paste with different proportions is formed.
As a further improvement, the soldering paste preparation device further comprises a main discharging pipe and branch discharging pipes, wherein the branch discharging pipes correspond to the hoppers one by one and are connected to the discharging ports of the hoppers, and one ends, far away from the hoppers, of the branch discharging pipes are communicated with the main discharging pipe.
The beneficial effects are that: in the case of a plurality of hoppers, it is advantageous that the blower blows the flux powder discharged from each hopper directly above the collection container.
As a further improvement, the fan is located outside the collection container on a vertical projection plane.
The beneficial effects are that: the design is favorable for reducing the volume of the collecting container, and waste is not easy to cause when less soldering paste is prepared.
As a further improvement, a conveying screw is arranged in the hopper.
The beneficial effects are that: by the design, the discharge amount of the hopper can be quantitatively controlled, so that the content percentage of the soldering flux powder in the soldering paste can be accurately controlled.
As a further improvement, the atomizer and the fan are respectively arranged on two opposite sides of the collecting container.
The beneficial effects are that: therefore, the atomized solvent sprayed by the atomizer can prevent the brazing flux powder from transitionally moving leftwards, and the brazing flux powder is prevented from falling out of the collecting container.
As a further improvement, the height of the atomizer is higher than that of the fan.
The beneficial effects are that: because the weight of the brazing flux powder is light, when the brazing flux powder is blown to the position right above the collecting container, a small part of the brazing flux powder can move upwards, and the height of the atomizer is higher than that of the fan, so that the small part of the brazing flux powder moving upwards can be combined with the atomized solvent, and the waste of the brazing flux powder and the pollution to the environment are avoided.
As a further improvement, the fan is a blower.
The beneficial effects are that: the air blown out by the air blower is relatively strong, so that the working efficiency is improved.
The preparation method of the flux paste adopts the following technical scheme:
the preparation method of the flux paste comprises the following steps:
1) filling brazing flux powder into a hopper, and filling a solvent into an atomizer;
2) starting a fan and an atomizer, blowing wind to the upper part of the collecting container by the fan, and blowing the atomized solvent to the right upper part of the collecting container by the atomizer;
3) and controlling the opening of a discharge port of the hopper, blowing the brazing flux powder discharged from the discharge port to the position right above the collecting container by a fan, and allowing the brazing flux powder to fall into the collecting container under the action of gravity after being combined with the atomized solvent.
The beneficial effects are that: according to the preparation method of the flux paste, the flux powder in the hopper is discharged, and then is blown away by the fan and uniformly mixed, so that the uniform mixing efficiency is greatly improved; then, the atomized solvent sprayed by the atomizer is fully combined with the soldering flux powder to quickly form soldering paste and fall into a collection container; the flux powder and the solvent can be uniformly mixed without stirring, the preparation time of the flux paste is reduced, and the production efficiency is greatly improved.
As a further improvement, the discharge amount of the hopper is controlled by a conveying screw in the hopper.
The beneficial effects are that: by the design, the discharge amount of the hopper can be quantitatively controlled, so that the content percentage of the soldering flux powder in the soldering paste can be accurately controlled.
The above-described preferred embodiments may be adopted alone, or two or more embodiments may be arbitrarily combined when they can be combined, and the embodiments formed by the combination are not specifically described here and are included in the description of the present patent.
Drawings
FIG. 1 is a schematic structural view of an embodiment 1 of a flux paste manufacturing apparatus according to the present invention;
FIG. 2 is a control schematic diagram of the flux paste manufacturing apparatus of FIG. 1;
in the figure: 11. a collection container; 12. a flux paste; 13. an atomizer; 14. atomizing the solvent; 15. a first hopper; 16. a second hopper; 17. a third hopper; 18. a fan; 19. and (3) brazing flux powder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be present in the embodiments of the present invention, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that "comprises an … …" is intended to indicate that there are additional elements of the same process, method, article, or apparatus that comprise the element.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, unless otherwise specifically stated or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
The present invention will be described in further detail with reference to examples.
Example 1 of the paste flux manufacturing apparatus of the present invention:
as shown in fig. 1, the flux paste preparation apparatus includes a collection container 11, a hopper, a blower 18, and an atomizer 13.
In this embodiment, the collection container 11 has an opening facing upward to collect the solder paste flux 12. Wherein the collecting container 11 is a rectangular container, the collecting container 11 is easier to collect the solder paste 12 than a circular container.
In this embodiment, three hoppers are provided, namely a first hopper 15, a second hopper 16 and a third hopper 17, and all the three hoppers are positioned above the collecting container 11; the three hoppers are used for charging different flux powders 19, for example, a first hopper 15 is charged with boron oxide, a second hopper 16 is charged with potassium fluoborate, and a third hopper 17 is charged with potassium tetraborate. In other embodiments, three hoppers may be charged with other prior art flux powders.
In this embodiment, the three hoppers are respectively provided with a conveying screw for quantitatively controlling the discharge amount of the three hoppers, so as to accurately control the content percentage of each soldering flux powder 19 in the flux paste 12. Wherein, the hopper with the conveying screw is an existing mature product and is not described in detail.
In this embodiment, a blower 18 is disposed between the hopper and the collecting container 11, and the blower 18 is disposed in a horizontal direction for blowing the flux powder 19 discharged from the hopper uniformly toward the right above the collecting container 11. Wherein the fan 18 is a blower, and in other embodiments the fan is a ventilator.
In this embodiment, the fan 18 is located outside the collecting container 11 on the vertical projection plane, which is beneficial to reducing the volume of the collecting container 11 and is not easy to cause waste when preparing less flux paste.
Since three hoppers are provided, the blower 18 blows the flux powder 19 discharged from each hopper directly above the collection container 11. In this embodiment, the flux paste preparation apparatus further includes a main discharge pipe and branch discharge pipes, the branch discharge pipes are in one-to-one correspondence with the hoppers and connected to the discharge ports of the hoppers, and one end of each branch discharge pipe, which is far away from the hopper, is communicated with the main discharge pipe, so that the flux powder 19 discharged from each hopper is discharged after being mixed in the main discharge pipe. Wherein, the outlet of the main discharging pipe is positioned at the air outlet of the fan 18.
In this embodiment, the atomizer 13 is filled with a solvent, specifically, a mixture of water and ethanol is used as the brazing flux solvent. In other embodiments, the solvent may be water or ethanol alone, or other solvents known in the art.
The atomizer 13 can spray the atomized solvent 14 directly above the collection container 11, so that the atomized solvent 14 is combined with the flux powder 19 to form the flux paste 12, and finally falls into the collection container 11. Wherein the atomizer 13 is an ultrasonic atomizer. In other embodiments, the nebulizer may be a compressed nebulizer.
As shown in fig. 1, the atomizer 13 is arranged in a horizontal direction, and the atomizer 13 and the fan 18 are respectively disposed at opposite sides of the collection container 11, so that the atomized solvent 14 sprayed from the atomizer 13 can prevent the flux powder 19 from excessively moving to the left, and prevent the flux powder 19 from falling out of the collection container 11.
In this embodiment, since the flux powder 19 is light in weight, a small portion of the flux powder 19 may move upward when being blown to the right above the collection container 11, and the height of the atomizer 13 is higher than that of the fan 18, so that the small portion of the flux powder 19 moving upward can also be combined with the atomizing solvent 14. In other embodiments, the atomizers and the fan can be arranged at the same height.
In this embodiment, the process sequence of preparing the flux paste by the flux paste preparation apparatus is as follows: flux raw material powder making → sieving → feeding → air separation → ultrasonic atomization → obtaining flux paste. The preparation method comprises the following steps:
(1) flux raw material grinding of flux paste
a. Putting three brazing flux raw materials of boron oxide, potassium fluoborate and potassium tetraborate into a drying box, and drying at 100 ℃ to remove moisture;
b. pouring the dried brazing flux raw materials into a grinding machine respectively for grinding;
c. and screening the grinded flux raw materials through a 100-mesh rotary vibration sieve, collecting flux powder, and pouring the large-particle flux raw materials back to the grinding machine for grinding.
(2) Flux powder delivery for flux paste
a. Placing the collected flux powder into a first hopper 15, a second hopper 16 and a third hopper 17 according to the types;
b. the rotation of the screw is controlled by a computer system, so that the flux powder is quantitatively discharged from the discharge port at the bottom of the hopper and is converged to the discharge main pipe through the discharge branch pipes.
(3) Preparation of flux paste
a. Filling a solvent prepared from water and ethanol into a water storage tank of the atomizer 13, and starting the atomizer 13;
b. starting the fan 18, and adjusting the position of the air outlet to the outlet of the main discharge pipe;
c. under the control of a computer system, opening the hopper valves, simultaneously rotating the screw rods in the hoppers at a fixed speed, quantitatively discharging brazing flux powder from the hoppers, and combining the powders together in a main discharge pipe;
d. under the action of strong wind blown by the fan 18, the converged flux powder 19 quickly flies to the right upper part of the collecting container 11 and is uniformly mixed in the air;
e. the atomizer 13 blows the atomized solvent 14 to the right above the collecting container 11, the atomized solvent 14 is combined with the uniformly mixed flux powder 19, and then falls downwards under the action of gravity and is deposited in the collecting container 11 to form the flux paste 12;
f. the produced flux paste 12 can be packaged and delivered from the warehouse on line according to the specified specification.
Wherein, as shown in fig. 2, the discharge amount of each flux powder can be controlled by controlling the screw rotation speed through a computer system, so as to control the content percentage of each flux powder in the flux paste; the rotating speed of the fan is controlled through a computer system so as to control the air output, and the brazing flux powder discharged by the discharging main pipe can be blown away and uniformly mixed in the air; the computer system controls the amount of the atomized solvent sprayed by the atomizer to control the proportion of the solvent in the flux paste. The flux paste products with different components and different consistency specifications can be quickly prepared by the control of a computer system.
According to the soldering paste preparation device, after the soldering flux powder in the hopper is discharged, the soldering flux powder is blown away by the fan and is uniformly mixed, so that the uniform mixing efficiency is greatly improved; then, the atomized solvent sprayed by the atomizer is fully combined with the soldering flux powder to quickly form soldering paste and fall into a collection container; the flux powder and the solvent can be uniformly mixed without stirring, the preparation time of the flux paste is reduced, and the production efficiency is greatly improved.
Example 2 of the paste flux manufacturing apparatus of the present invention:
the present example is different from example 1 in that three hoppers are provided in example 1, and different flux powders are provided in the three hoppers, respectively. In this embodiment, one hopper is provided, and one brazing flux powder is provided in the hopper. In other embodiments, two or more types of mixed flux powder may be provided in the hopper based on the case where one hopper is provided.
Example 3 of the paste flux manufacturing apparatus of the present invention:
the difference between this embodiment and embodiment 1 is that, in embodiment 1, the paste flux preparation device includes a main discharge pipe and branch discharge pipes, the branch discharge pipes correspond to the hoppers one-to-one and are connected to the discharge ports of the hoppers, and the end of each branch discharge pipe far away from the hopper communicates with the main discharge pipe. In this embodiment, the paste flux preparation apparatus only includes the discharge branch pipes, the discharge branch pipes are in one-to-one correspondence with the hoppers and connected to the discharge ports of the hoppers, and then, the ends of the discharge branch pipes, which are far away from the hoppers, are bound together and located at the air outlet of the blower.
Example 4 of the paste flux manufacturing apparatus of the present invention:
the present embodiment is different from embodiment 1 in that, in embodiment 1, the fan 18 is located outside the collection container 11 on the vertical projection plane. In the embodiment, the fan is positioned on the inner side of the collecting container on the vertical projection plane and at the edge of the collecting container.
Example 5 of the paste flux manufacturing apparatus of the present invention:
the present example is different from example 1 in that in example 1, a conveying screw is provided in a hopper, and the discharge amount of the hopper is controlled by controlling the rotation speed of the screw. In this embodiment, no conveying screw is arranged in the hopper, and the discharge amount of the hopper is controlled by controlling a hopper valve.
Example 6 of the paste flux manufacturing apparatus of the present invention:
this embodiment is different from embodiment 1 in that in embodiment 1, the atomizer 13 and the fan 18 are respectively disposed on opposite sides of the collection container 11. In this embodiment, under the unchangeable condition of fan position, the atomizer setting is arranged directly over collecting container and along vertical direction to from top to bottom blowout atomizing solvent.
The embodiment of the preparation method of the flux paste comprises the following steps: the embodiment of the method for preparing the flux paste, that is, the method for preparing the flux paste described in any one of embodiments 1 to 6 of the flux paste preparing apparatus, will not be described in detail herein.
The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.
Claims (10)
1. The paste flux preparation device is characterized by comprising:
a collection container (11) having an opening facing upward to collect the flux paste (12);
a hopper located above the collection container (11) for containing flux powder (19);
the fan (18) is arranged between the collecting container (11) and the hopper and used for uniformly blowing the brazing flux powder (19) discharged from the hopper to the position right above the collecting container (11);
an atomizer (13) for blowing the atomized solvent (14) towards the homogeneous flux powder (19) such that the atomized solvent (14) combines with the flux powder (19) and falls into the collection container (11).
2. A paste flux preparation apparatus according to claim 1, wherein said hopper is provided with at least two.
3. The paste flux preparation device according to claim 2, further comprising a main discharge pipe and branch discharge pipes, wherein the branch discharge pipes correspond to the hoppers one by one and are connected to the discharge ports of the hoppers, and one end of each branch discharge pipe, which is away from the hoppers, is communicated with the main discharge pipe.
4. A paste flux preparation apparatus according to any one of claims 1 to 3, wherein said fan (18) is located outside the collection container (11) on the vertical projection plane.
5. A paste flux preparation apparatus according to any one of claims 1 to 3, wherein a feed screw is provided in said hopper.
6. A flux paste preparation apparatus according to any one of claims 1 to 3, wherein said atomizer (13) and said fan (18) are located on opposite sides of said collection container (11).
7. The paste flux preparation apparatus according to claim 6, wherein the height of the atomizer (13) is higher than the height of the fan (18).
8. The paste flux preparation apparatus according to any one of claims 1 to 3, wherein the fan (18) is a blower.
9. The preparation method of the flux paste is characterized by comprising the following steps:
1) filling a hopper with flux powder (19), and filling an atomizer (13) with a solvent;
2) starting a fan (18) and an atomizer (13), wherein the fan (18) blows wind to the upper part of the collecting container (11), and the atomizer (13) blows an atomized solvent (14) to the right upper part of the collecting container (11);
3) the opening of a discharge port of the hopper is controlled, the brazing flux powder (19) discharged from the discharge port is blown to the position right above the collecting container (11) through a fan (18), and the brazing flux powder is combined with the atomized solvent (14) and falls into the collecting container (11) under the action of gravity.
10. The solder paste flux preparation method according to claim 9, wherein the discharge amount of the hopper is controlled by a conveying screw therein.
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| CN202111108445.8A CN113909732A (en) | 2021-09-22 | 2021-09-22 | Soldering paste preparation device and preparation method |
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| CN202111108445.8A CN113909732A (en) | 2021-09-22 | 2021-09-22 | Soldering paste preparation device and preparation method |
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