CN115430947A - Granular coating brazing filler metal preparation equipment and preparation method - Google Patents
Granular coating brazing filler metal preparation equipment and preparation method Download PDFInfo
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- CN115430947A CN115430947A CN202211198507.3A CN202211198507A CN115430947A CN 115430947 A CN115430947 A CN 115430947A CN 202211198507 A CN202211198507 A CN 202211198507A CN 115430947 A CN115430947 A CN 115430947A
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- filler metal
- brazing filler
- flux
- coating
- solder
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- 238000005219 brazing Methods 0.000 title claims abstract description 163
- 239000000945 filler Substances 0.000 title claims abstract description 139
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 104
- 239000002184 metal Substances 0.000 title claims abstract description 104
- 239000011248 coating agent Substances 0.000 title claims abstract description 71
- 238000000576 coating method Methods 0.000 title claims abstract description 71
- 238000002360 preparation method Methods 0.000 title claims abstract description 39
- 239000002923 metal particle Substances 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 49
- 230000004907 flux Effects 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 40
- 238000005253 cladding Methods 0.000 claims abstract description 22
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 229910000679 solder Inorganic materials 0.000 claims description 49
- 239000002245 particle Substances 0.000 claims description 25
- 239000008187 granular material Substances 0.000 claims description 19
- 238000005476 soldering Methods 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- 238000012216 screening Methods 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 5
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- 230000009471 action Effects 0.000 claims description 4
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- 238000004401 flow injection analysis Methods 0.000 description 12
- 238000003466 welding Methods 0.000 description 9
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 8
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
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- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
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- 229910001928 zirconium oxide Inorganic materials 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
-
- 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
-
- 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
- B23K35/404—Coated rods; Coated electrodes
Abstract
The application relates to the technical field of machining equipment, in particular to granular coating brazing filler metal preparation equipment and a granular coating brazing filler metal preparation method, wherein the granular coating brazing filler metal preparation equipment comprises: the heating device is used for melting the brazing filler metal to obtain brazing filler metal melt, and a liquid leakage hole is formed in the heating device; the scattering device is arranged below the heating device, and the brazing filler metal melt dropped through the liquid leakage hole forms brazing filler metal particles in the scattering device; and the cladding device is communicated with the scattering device, brazing filler metal particles can enter the cladding device, and the brazing filler metal particles wrap the powder brazing flux in the cladding device. The application provides a graininess coating brazing filler metal preparation equipment, degree of automation is high, has abandoned the mode of traditional artifical coating paste brazing flux, has improved machining efficiency promptly, can also guarantee processingquality's stability, and importantly can avoid the influence of chemical to the healthy production of staff.
Description
Technical Field
The application relates to the technical field of machining equipment, in particular to granular coating brazing filler metal preparation equipment and a granular coating brazing filler metal preparation method.
Background
At present, brazing filler metal particles and paste brazing flux are required to be added in the brazing process of traditional tools such as coal cutting teeth and tunneling teeth, the problems of complex process operation, high experience dependence, more brazing flux residues after welding and the like exist, and the stability of brazing connection and the use reliability of workpieces are affected. The brazing filler metal particles are coated with the paste brazing filler metal to prepare coating brazing filler metal particles, and the brazing filler metal particles are wrapped outside the brazing filler metal, so that the brazing filler metal and the brazing filler metal can be added in a synergistic manner, the using amount of the brazing filler metal and the brazing filler metal is reduced, the traditional brazing process is improved, and the brazing filler metal coating brazing filler metal has a series of advantages of convenience in operation, high brazing efficiency, stable welding quality, good welding seam reliability and the like. However, the existing tool brazing of coal cutting teeth, tunneling teeth and the like still adopts a mode of manually coating paste brazing flux on the welding flux, the dosage of the added soldering paste is not fixed and is inaccurate, and the waste of the brazing flux is also caused. The traditional water-based soldering paste has poor coating effect and is easy to fall off. Organic binders are generally added into the oily paste soldering flux, and the organic binders are used, so that on one hand, organic chemical substances in the organic binders can emit pungent taste (part of the organic chemical substances also contain toxic and harmful aromatic hydrocarbons and benzene ring substances), the life safety and the body health of production personnel are seriously threatened, and organic substances are also extremely difficult to clean and remove, so that the oily paste soldering flux has serious pollution to water and land; on the other hand, in the use process of the organic binder coated welding rod, the organic matters can release toxic and harmful gases at a high temperature, black smoke can be formed by carbonizing the organic matters and released into the air, the black smoke can be deposited in a welding seam, welding defects are caused, and the effectiveness, the reliability and the long service life of the welding seam are seriously influenced. Residual organic matters have adverse effects on welding seams, more cleaning procedures are needed, and the production efficiency and the product quality of enterprises are seriously affected. In addition, the brazing filler metal particles are prepared by the traditional processes of casting, extruding, drawing, cutting, cleaning and the like, the production process is long, the efficiency is low, the problems of unavoidable oxidation, water pollution caused by acid cleaning and the like are obvious.
Disclosure of Invention
The application aims to provide granular coating brazing filler metal preparation equipment and a granular coating brazing filler metal preparation method, so that the technical problems that the existing coating brazing filler metal particle preparation process in the prior art is complex in operation flow, influences efficiency and easily influences the health of workers are solved to a certain extent.
The application provides a graininess coating brazing filler metal preparation equipment includes: the heating device is used for melting the brazing filler metal to obtain brazing filler metal melt, and a liquid leakage hole is formed in the heating device;
the scattering device is arranged below the heating device, and the brazing filler metal melt dropped through the liquid leakage hole forms brazing filler metal particles in the scattering device;
and the cladding device is communicated with the scattering device, the brazing filler metal particles can enter the cladding device, and the brazing filler metal particles wrap the powder brazing flux in the cladding device.
In the above technical solution, further, the scattering device includes:
the first accommodating device is arranged below the heating device, a filtering gasket is arranged at the bottom of the heating device, and at least one liquid leakage hole is formed in the filtering gasket; the liquid leakage hole is communicated with the first accommodating device, and the brazing filler metal melt falls into the first accommodating device through the liquid leakage hole in a liquid drop mode;
and the gas flow spraying device is provided with a gas spraying port, and the gas spraying port faces the interior of the first accommodating device and is used for spraying gas flow towards the liquid drops so as to break up the liquid drops to form the brazing filler metal particles.
In any one of the above technical solutions, further, the number of the air flow injection devices is at least two, and the at least two air flow injection devices are arranged at intervals along the circumferential direction of the first accommodating device.
In any of the above technical solutions, further, the skin covering device includes:
the second accommodating device is arranged below the first accommodating device, the second accommodating device is communicated with the first accommodating device, and the brazing filler metal particles can fall into the second accommodating device;
a solder powder spraying device having a nozzle facing the inside of the second containing device for spraying the powder solder toward the solder particles.
In any one of the above technical solutions, further, the number of the brazing filler powder injection devices is plural, and the plural brazing filler powder injection devices are arranged at intervals in the circumferential direction of the second accommodating device.
In any of the above technical solutions, further, the equipment for preparing granular coating brazing filler metal further comprises a vibrating screen; the bottom of the second containing device is provided with a hopper, the hopper is communicated with the second containing device, a discharge hole is formed in the hopper, and the vibrating screen is arranged below the discharge hole.
In any of the above solutions, further, the vibrating screen has at least two different sizes of screen holes for screening the solder particles coated with the powder flux with different sizes.
In any one of the above technical solutions, further, the equipment for preparing granular coating brazing filler metal further comprises a conveying device, one end of the vibrating screen extends towards the discharge port, and the other end of the vibrating screen extends towards the conveying device.
In any of the above technical solutions, further, the apparatus for preparing granular brazing filler metal with flux coating further comprises a control device, the heating device and the air jet device are respectively connected to the control device, and the control device can control the heating temperature of the heating device and the air jet time of the air jet device.
The application also provides production amplification of the brazing filler metal coated with the coating, and the equipment for preparing the brazing filler metal coated with the coating comprises the granular brazing filler metal coated with the coating preparation equipment in any technical scheme, so that all beneficial technical effects of the equipment for preparing the granular brazing filler metal coated with the coating are achieved, and the production amplification is not repeated;
the preparation method of the granular coating brazing filler metal comprises the following steps:
s1, starting a heating device to heat a metal raw material by the heating device to obtain molten metal;
s2, enabling the molten metal to fall into a scattering device through a liquid leakage hole, and obtaining brazing filler metal particles with initial temperature under the action of the scattering device in a bottom leakage casting mode;
s3, starting a cladding device, wherein the cladding device sprays powder soldering flux towards the solder particles, and the powder soldering flux is adhered to the surfaces of the solder particles to form soldering flux shells;
and S4, screening to obtain a finished product of the coating brazing filler metal particles.
Compared with the prior art, the beneficial effect of this application is:
the application provides a graininess coating brazing filler metal preparation equipment includes: the heating device is used for melting the brazing filler metal to obtain brazing filler metal melt, and a liquid leakage hole is formed in the heating device; the scattering device is arranged below the heating device, and the brazing filler metal melt dropped through the liquid leakage hole forms brazing filler metal particles in the scattering device; and the cladding device is communicated with the scattering device, brazing filler metal particles can enter the cladding device, and the brazing filler metal particles wrap the powder brazing flux in the cladding device.
The application provides a graininess coating brazing filler metal preparation equipment, degree of automation is high, has abandoned the mode of traditional artifical coating paste brazing flux, has improved machining efficiency promptly, can also guarantee processingquality's stability, and importantly can avoid the influence of chemical to the healthy production of staff.
The application provides a coating brazing filler metal production line, including the aforesaid granular coating brazing filler metal preparation equipment, therefore, can obtain the brazing filler metal granule with the coating through this granular coating brazing filler metal preparation equipment, processing procedure automation degree is high, is showing improvement machining efficiency and processingquality.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a granular flux-cored solder preparation device provided by an embodiment of the application;
fig. 2 is a schematic structural diagram of a finished product of brazing filler metal particles prepared by the granular brazing filler metal coating preparation equipment provided by the embodiment of the application.
Reference numerals:
1-heating device, 101-foamed zirconia filtering pad, 2-molten solder, 3-liquid drop, 4-solder particle, 5-nozzle, 501-powdered soldering flux, 6-coating solder particle, 7-vibrating screen, 8-conveying device, 9-waste conveying belt, 10-first containing device and 11-second containing device.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
A granular brazing filler metal manufacturing apparatus and a brazing filler metal manufacturing line according to embodiments of the present application will be described below with reference to fig. 1 and 2.
Referring to fig. 1 and 2, an embodiment of the present application provides a granular coated brazing filler metal preparation apparatus, which includes a heating device 1, a scattering device and a coating device, wherein the heating device 1, the scattering device and the coating device are sequentially arranged from top to bottom, the heating device 1 is configured to melt metal to obtain molten metal, preferably, the heating device 1 may be a crucible, although not limited thereto, and a drain hole is formed at the bottom of the heating device 1, through which the molten metal can flow out in the form of droplets 3, preferably, the number of the drain holes is multiple, and the multiple drain holes are spaced apart near the center of the bottom of the heating device 1, so that several bundles of droplets 3 can flow out at one time.
Further, the weep hole of the heating device 1 communicates with the scattering device, so that the liquid droplets 3 can flow into the scattering device and be scattered from the state of the liquid droplets 3 to have a granular state, thereby obtaining solder particles 4.
Preferably, the bottom of the heating device 1 is provided with a high temperature zirconia foam filter pad 101, and the weep holes are formed on the zirconia foam filter pad 101.
Furthermore, the coating device is communicated with the scattering device, so that the brazing filler metal particles 4 formed after the liquid drops 3 are scattered can fall into the coating device, and the brazing filler metal particles 4 comprise a layer of powdered brazing filler metal in the coating device, so that the brazing filler metal particles 4 with the coating attached to the target product, namely the coating brazing filler metal particles 6, are formed.
To sum up, the 6 preparation facilities of coating brazing filler metal granule that this application provided, degree of automation is high, has abandoned traditional artifical mode of coating paste brazing flux, has improved machining efficiency promptly, can also guarantee processingquality's stability, and importantly can avoid the influence of chemical to the healthy production of staff.
In one embodiment of the present application, preferably, the breaking device includes:
the first accommodating device 10 is arranged below the heating device 1, a liquid leakage hole is communicated with the first accommodating device 10, and the brazing filler metal melt 2 falls into the first accommodating device 10 in a liquid drop 3 mode through the liquid leakage hole;
and the air flow injection device can be arranged on the first accommodating device 10 and is provided with an air jet opening facing the inner part of the first accommodating device 10 and used for injecting air flow towards the liquid drops 3 so as to break up the liquid drops 3 to form solder particles 4.
Preferably, the number of the air flow injection devices is at least two, and the at least two air flow injection devices are arranged at intervals along the circumference of the first container 10.
In this embodiment, the first container 10 has a cylindrical structure, and the weep holes on the foam zirconia gasket at the bottom of the heating device 1 communicate with the inner space of the first container 10, so that the liquid droplets 3 can flow into the first container 10, and preferably, the number of the gas flow injection devices is plural, the plural gas flow injection devices are arranged at equal intervals along the circumference of the first container 10, each gas flow injection device is provided with a gas injection port, and each gas injection port extends into the first container 10, and the gas flow injection devices are connected to a gas source, so that each gas flow injection device can inject gas into the first container 10, so as to blow away the liquid droplets 3 flowing into the first container 10, so that the molten metal is changed from the state of the liquid droplets 3 into a particle device, so as to perform a subsequent coating operation.
Preferably, the gas injected into the first container 10 by the gas injection device is nitrogen, the molten solder in the heating device 1 passes through the high-temperature zirconium oxide foam filter pad 101 to form metal droplets, and at this time, the nitrogen is introduced into the first container 10, so that the metal droplets can be blown away to form nearly spherical metal particles, and the metal particles can be cooled to a predetermined temperature, preferably, the predetermined temperature is 300-400 ℃.
In one embodiment of the present application, preferably, the skinning device comprises:
a second containing device 11 arranged below the first containing device 10, wherein the second containing device 11 is communicated with the first containing device 10, and the brazing filler metal particles 4 can fall into the second containing device 11;
and a flux powder injection device provided in the second container 11, the flux powder injection device having a nozzle 5, the nozzle 5 facing the inside of the second container 11 for injecting powder flux 501 toward the brazing filler metal particles 4.
Preferably, the number of the flux powder injection devices is plural, and the plural flux powder injection devices are arranged at intervals in the circumferential direction of the second container 11.
In one embodiment of the present application, preferably, the equipment for preparing the brazing filler metal particles 6 further comprises a vibrating screen 7; the bottom of second accommodate device 11 sets up the hopper, and the hopper is formed with the discharge gate with second accommodate device 11 intercommunication, hopper, and shale shaker 7 sets up in the below of discharge gate.
In this embodiment, the second container 11 also has a cylindrical structure, and preferably, the diameter of the second container 11 is equal to the diameter of the first container 10, or the diameter of the second container 11 is slightly larger than the diameter of the first container 10, so as to avoid a stepped structure between the two, which results in a small amount of solder particles 4 accumulating between the two.
The number of the solder powder injection devices is multiple, the multiple solder powder injection devices are arranged on the side wall of the second accommodating device 11 at equal intervals along the circumferential direction of the second accommodating device 11, each solder powder injection device is provided with a nozzle 5, and the nozzles 5 extend into the second accommodating device 11 and are used for injecting the powdered solder 501 towards the solder particles 4 in the falling process of the solder particles 4, and as the solder particles 4 formed after nitrogen purging are at a preset temperature (300-400 ℃), the solder powder injected onto the solder particles 4 can be attached to the powdered solder 501 on the surfaces of the solder particles 4 and melted on the surfaces of the solder particles 4 to form solder shells on the surfaces of the solder particles 4, and then the solder particles 4 with the solder shells continue to fall.
Further, a hopper is arranged at the bottom of the second containing device 11, the hopper is communicated with the second containing device 11, the brazing filler metal particles 4 forming the brazing flux shell fall into the hopper, and the hopper is provided with a discharge hole for releasing the brazing filler metal particles 4 with the brazing flux shell, so that the target product, namely the coating brazing filler metal particles 6, can be obtained.
Further, the discharge gate sets up towards shale shaker 7 for in the coating brazing filler metal granule 6 of discharge gate release can fall into shale shaker 7, along with shale shaker 7's vibration, waste materials such as powder soldering flux, fine metal particle that 6 surfaces of coating brazing filler metal granule bond not firm are shaken off, avoid 6 surfaces of coating brazing filler metal granule to adhere to excessive floating powder.
In one embodiment of the present application, the vibrating screen 7 preferably has at least two different sized screen holes for screening the solder particles 4 coated with the powder flux 501 of different sizes.
In this embodiment, the vibrating screen 7 is divided into a plurality of screening areas, and the apertures of the screen holes in different screening areas are different, so that the coated brazing filler metal particles 6 with different sizes can be screened, and the coated brazing filler metal particles 6 can be classified and packaged according to the volume size, weight and the like, so as to facilitate weight matching in use.
Preferably, a scrap conveyer belt 9 is arranged below the vibrating screen 7, and the scrap conveyer belt 9 is used for receiving scraps such as fine metal particles and brazing flux powder screened by the vibrating screen 7 and conveying the scraps to a designated position for recycling.
So that the finished product of the brazing filler metal particles 6 screened by the vibrating screen 7 is conveyed to the next process, such as a packaging process, etc., by the conveying device 8.
In one embodiment of the present application, preferably, the apparatus for preparing brazing filler metal particles 6 further comprises a control device, the heating device 1 and the air jet device are respectively connected with the control device, and the control device can control the heating temperature of the heating device 1 and the jet time of the air jet device.
In this embodiment, the heating power of the heating device 1 to the brazing filler metal is controlled by the control device, so that the liquid droplets 3 and the brazing filler metal particles 4 formed after the liquid droplets 3 are blown away have different temperatures, and the temperature of the brazing filler metal particles 4 affects the thickness of the powder brazing flux 501 adhered to the surface, and thus affects the thickness of the brazing flux shell.
Furthermore, the size of the air flow sprayed by the air flow spraying device can be adjusted through the control device, so that the scattering effect on the liquid drops 3 is influenced, and the size of the brazing filler metal particles 4 is controlled.
To sum up, the granular coating brazing filler metal preparation equipment that this application provided has following beneficial effect at least:
(1) The traditional processes of casting, extruding, drawing, cutting, cleaning and the like are completely cancelled, and the processing efficiency is obviously improved;
(2) The problems of long production flow, low efficiency, inevitable oxidation, water pollution caused by acid cleaning and the like are avoided;
(3) The size of the airflow can be adjusted according to the requirement, and the size of the obtained brazing filler metal particles is controlled;
(4) The time for spraying the powder brazing flux can be set according to the residual temperature of the granular material, so that the thickness of a brazing flux shell is controlled;
(5) The flux-cored solder particles can be classified and packaged by the screen according to size and weight, so that the weight matching in use is facilitated.
The embodiment of this application still provides a coating brazing filler metal production line, include above-mentioned any embodiment granular coating brazing filler metal preparation equipment, therefore, have all beneficial technological effects of this granular coating brazing filler metal preparation equipment, here, no longer describe repeatedly.
In addition, the application provides a coating brazing filler metal production line still includes automatic packing apparatus etc. that set up with the conveyor interval to can pack the coating brazing filler metal granule that processing was accomplished and is obtained.
Further, the embodiment of the application also provides a preparation method of the granular coating brazing filler metal, which comprises the following steps:
the preparation method of the granular coating brazing filler metal comprises the following steps:
s1, starting a heating device to heat a metal raw material by the heating device to obtain molten metal;
specifically, after the heating device is started, the metal raw material in the heating device is heated to be in a liquid state.
And S2, enabling the molten metal to fall into a scattering device through a liquid leakage hole, and obtaining brazing filler metal particles with initial temperature under the action of the scattering device in combination with a bottom leakage casting mode.
The bottom of the heating device is provided with a plurality of liquid leakage holes, the scattering device is arranged below the heating device, the scattering device is internally provided with an air flow injection device, molten metal falls into the scattering device in a liquid drop mode after passing through the liquid leakage holes, meanwhile, the air flow injection device supplies air towards the liquid drops, so that the liquid drops are blown into particles, brazing filler metal particles are obtained, and a plurality of brazing filler metal particles obtained under the action of the scattering device also have certain initial temperature due to the fact that the molten metal has higher temperature.
And S3, starting a cladding device, spraying powder soldering flux towards the solder particles by the cladding device, and adhering the powder soldering flux on the surfaces of the solder particles to form soldering flux shells.
The cladding device is located the below of breaing up the device, and after the brazing filler metal granule fell into the cladding device, the cladding device sprayed powder soldering flux to the brazing filler metal granule, because the brazing filler metal granule has certain initial temperature for powder soldering flux powder can adhere on the surface of brazing filler metal granule and cladding brazing filler metal granule after with brazing filler metal granule contact, thereby makes the soldering flux powder form the brazing filler metal shell on brazing filler metal granule surface.
And S4, screening to obtain a finished product of the coating brazing filler metal particles.
The bottom of cladding device is provided with the hopper, and the below of hopper is provided with the shale shaker, and the brazing filler metal granule that the parcel has the brazing flux shell also is that the target product falls into the hopper at first, then the target product in the hopper falls to the shale shaker, and the shale shaker can screen out fine metal powder, unnecessary brazing filler metal powder and other impurity in the target product to obtain coating brazing filler metal granule finished product.
The preparation method of the granular coating brazing filler metal comprises the following steps:
and S5, collecting finished products.
Be provided with conveyor along the extending direction of shale shaker, the finished product of coating brazing filler metal granule on the shale shaker falls into conveyor, and finished product of coating brazing filler metal granule conveys to the assigned position through conveyor and in order to collect.
S6, recycling waste materials.
The waste conveying belt is arranged below the vibrating screen, impurity waste materials screened out by the vibrating screen fall on the waste conveying belt, and the waste conveying belt conveys the impurities to a designated position for collection.
The preparation method of the granular coating brazing filler metal is particularly suitable for the preparation equipment and the preparation method of the granular coating brazing filler metal, has all beneficial effects in the embodiment, has the advantages of high automation degree and concise processing process, obviously improves the production efficiency of the granular coating brazing filler metal, and reduces the workload of workers.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The utility model provides a granule coating brazing filler metal preparation equipment which characterized in that includes:
the heating device is used for melting the brazing filler metal to obtain brazing filler metal melt, and a liquid leakage hole is formed in the heating device;
the scattering device is arranged below the heating device, and the brazing filler metal melt dropped through the liquid leakage hole forms brazing filler metal particles in the scattering device;
and the cladding device is communicated with the scattering device, the brazing filler metal particles can enter the cladding device, and the brazing filler metal particles wrap the powder brazing flux in the cladding device.
2. The apparatus for preparing granular flux-cored solder according to claim 1, wherein the scattering device comprises:
the first accommodating device is arranged below the heating device, a filtering gasket is arranged at the bottom of the heating device, and at least one liquid leakage hole is formed in the filtering gasket; the liquid leakage hole is communicated with the first accommodating device, and the brazing filler metal melt falls into the first accommodating device through the liquid leakage hole in a liquid drop mode;
and the gas flow spraying device is provided with a gas spraying port, and the gas spraying port faces the interior of the first accommodating device and is used for spraying gas flow towards the liquid drops so as to break up the liquid drops to form the brazing filler metal particles.
3. The granular flux-cored solder preparation apparatus according to claim 2, wherein the number of the air-jet injection devices is at least two, and at least two air-jet injection devices are arranged at intervals in the circumferential direction of the first containing device.
4. The apparatus for preparing granular flux-cored solder according to claim 2, wherein the cladding means comprises:
the second accommodating device is arranged below the first accommodating device, the second accommodating device is communicated with the first accommodating device, and the brazing filler metal particles can fall into the second accommodating device;
a solder powder spraying device having a nozzle facing the inside of the second containing device for spraying the powdered solder toward the solder particles.
5. The apparatus for producing a granulated flux cored solder according to claim 4, wherein the number of the solder powder injection devices is plural, and the plural solder powder injection devices are arranged at intervals in the circumferential direction of the second containing device.
6. The granular flux-cored solder preparation apparatus according to claim 4, wherein the granular flux-cored solder preparation apparatus further comprises a vibrating screen; the bottom of the second containing device is provided with a hopper, the hopper is communicated with the second containing device, a discharge hole is formed in the hopper, and the vibrating screen is arranged below the discharge hole.
7. The apparatus for preparing granular flux-cored solder according to claim 6, wherein the vibrating screen has at least two different sizes of screen holes for screening the solder particles coated with the powder flux in different sizes.
8. The granular coating brazing filler metal preparation equipment according to claim 6, further comprising a conveying device, wherein one end of the vibrating screen extends towards the discharge port, and the other end of the vibrating screen extends towards the conveying device.
9. The apparatus for preparing granular brazing filler metal with flux coating according to any one of claims 2 to 8, further comprising a control device, wherein the heating device and the air jet device are respectively connected with the control device, and the control device can control the heating temperature of the heating device and the air jet time of the air jet device.
10. A method for preparing a granular flux-cored solder, which is characterized by comprising the granular flux-cored solder preparation equipment of any one of claims 1 to 9, and comprises the following steps:
s1, starting a heating device to heat a metal raw material by the heating device to obtain molten metal;
s2, enabling the molten metal to fall into a scattering device through a liquid leakage hole, and obtaining brazing filler metal particles with initial temperature under the action of the scattering device in a bottom leakage casting mode;
s3, starting a coating device, wherein the coating device sprays powder soldering flux towards the brazing filler metal particles, and the powder soldering flux is adhered to the surfaces of the brazing filler metal particles to form soldering flux shells;
and S4, screening to obtain a finished product of the coating brazing filler metal particles with qualified size.
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| CN115430947B (en) | 2024-01-30 |
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