CN112621025A - Preparation method of stainless steel metal welding material - Google Patents
Preparation method of stainless steel metal welding material Download PDFInfo
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- CN112621025A CN112621025A CN202011438984.3A CN202011438984A CN112621025A CN 112621025 A CN112621025 A CN 112621025A CN 202011438984 A CN202011438984 A CN 202011438984A CN 112621025 A CN112621025 A CN 112621025A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/60—Mixing solids with solids
- B01F23/69—Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Accessories For Mixers (AREA)
Abstract
A preparation method of a stainless steel metal welding material comprises the following specific steps: s1, weighing raw material powder to be mixed according to parts by weight; s2, adding the weighed raw material powder into a mixing system for mixing; the mixing process comprises adding multiple groups of raw material powder into a material storage box, discharging the powder in the material storage box by an automatic discharging assembly, and blowing the powder into a mixing box by high-pressure gas; mixing the raw material powder in a mixing box, refluxing the raw material powder into a material storage box, and repeating the process; after the raw material powder is uniformly mixed, the raw material powder discharged into the mixing box enters a collecting box; s3, taking out the uniformly mixed raw material powder; s4, weighing and uniformly mixing raw material powder, heating and melting to obtain a molten raw material; and S5, dripping the molten raw materials into cold water for solidification and molding, and screening to obtain the metal welding material. The preparation process is simple, the mixing effect of various raw materials is good, and the uniformity of the quality of the metal welding material can be ensured.
Description
Technical Field
The invention relates to the technical field of metal welding materials, in particular to a preparation method of a stainless steel metal welding material.
Background
Stainless steel is short for stainless acid-resistant steel, and steel grade which is resistant to weak corrosive media such as air, steam and water or has stainless property is called stainless steel; the steel type which resists the corrosion of chemical corrosion media (chemical attacks such as acid, alkali, salt and the like) is called acid-resistant steel; with the requirement of high-strength weight-reducing structure design, the ultra-high-grade stainless steel product is widely applied; the welding material is particularly important for stainless steel products in the welding process, the defects of air holes, impurities, microcracks and the like are easily formed at the local position of a welding seam due to poor wettability of the welding material in the welding process, the welding joint is low in connection strength and poor in air tightness, and various raw material powder needs to be mixed in the production process of the welding material.
Disclosure of Invention
Objects of the invention
The invention provides a preparation method of a stainless steel metal welding material, aiming at solving the technical problems in the background technology.
(II) technical scheme
In order to solve the problems, the invention provides a preparation method of a stainless steel metal welding material, which comprises the following specific steps:
s1, weighing raw material powder to be mixed according to parts by weight;
s2, synchronously adding the weighed raw material powder into a mixing system for mixing; the mixing process of the added raw material powders in the mixing system is as follows:
s21, adding a plurality of groups of raw material powder into a storage box;
s22, discharging the powder in the storage box through an automatic discharging assembly arranged in the storage box, and blowing the powder into the mixing box through high-pressure gas;
s23, lifting and mixing the raw material powder in the mixing box, enabling the raw material powder to flow back into the storage box, discharging air entering the storage box into the external environment, and discharging the raw material powder through the automatic discharging assembly;
s24, after the raw material powder is uniformly mixed, the raw material powder discharged into the mixing box enters a collecting box, air entering the collecting box is discharged into the external environment, and the raw material powder is gathered in the collecting box;
s3, taking out the uniformly mixed raw material powder;
s4, weighing and uniformly mixing raw material powder, heating and melting to obtain a molten raw material;
and S5, dripping the molten raw materials into cold water for solidification and molding, and screening to obtain the metal welding material.
Preferably, the mixing system comprises a storage tank, a high-pressure fan, a first pipeline, a second pipeline, a mixing tank, a third pipeline, a collecting tank and a discharging pipe;
a first partition plate is arranged in the material storage box; the first partition plate is horizontally distributed and used for dividing the interior of the storage box into an upper storage bin and a lower mounting bin, and a discharge hole is formed in the first partition plate;
the end cover is arranged at the port of the upper end surface of the storage bin, and the material return hole and the first exhaust hole are formed in the storage bin; a first filter screen is arranged in the first exhaust hole;
the mounting bin is provided with a first discharge hole on the storage box, and an automatic discharge assembly for conveying the raw material powder falling from the discharge hole into the first discharge hole is arranged in the mounting bin;
the mixing box is provided with a first feeding hole, a third discharging hole and a second discharging hole;
the pipe orifices at the two ends of the first pipeline are respectively connected with a first discharging hole and a first feeding hole; the air inlet port of the first pipeline is connected with the high-pressure air outlet port of the high-pressure fan through a pipeline;
two ends of the second pipeline are respectively connected with the material returning hole and the second discharging hole, and a first control valve is arranged on the second pipeline;
a second clapboard is arranged in the collecting box; the second partition board is used for dividing the collecting box into an upper collecting bin and a lower placing bin for placing the collecting cylinder, and the second partition board is provided with a discharging hole;
the end surface of the placing bin on the collecting box is provided with a sealing door; the discharge pipe is positioned between the placing bin and the placing bin, a pipe orifice at one end of the discharge pipe is connected with the discharge hole through a pipeline, and a second control valve is arranged on the discharge pipe;
the collecting bin is provided with a second feeding hole and a second exhaust hole on the collecting box; a second filter screen is arranged in the second exhaust hole;
and a third control valve is arranged on the third pipeline, and pipe orifices at two ends of the third pipeline are respectively connected with the second feeding hole and the third discharging hole.
Preferably, the end surface of the first partition plate positioned in the storage bin is inclined downwards towards the central axis direction of the discharge hole;
the end face of the second partition plate positioned in the collecting bin is downwards inclined towards the central axis direction of the discharging hole.
Preferably, a plurality of groups of vibration devices are respectively arranged on the end face of the first partition plate in the installation bin and the end face of the second partition plate in the placement bin.
Preferably, the device also comprises an exhaust fan; wherein, the placing bin is provided with a first through hole on the collecting box; the collecting bin is provided with a second through hole on the collecting box;
the air suction machine is connected with the collection box, and the air inlet end of the air suction machine is respectively connected with the first through hole and the second through hole through pipelines.
Preferably, transparent plates are inlaid on the end faces of the storage box, the mixing box and the collecting box.
Preferably, the automatic discharging assembly comprises a discharging barrel, a first driving device, a first rotating shaft, a piston column, a rack, a half gear, a guide rod, a fixing plate, multiple groups of first springs, multiple groups of second sliding parts and a first sliding part;
one end of the discharging barrel is connected with the inner wall of the mounting bin, the interior of the discharging barrel is communicated with the first discharging hole, the central axis of the discharging barrel is superposed with the central axis of the first discharging hole, and a third through hole for connecting the discharging hole through a pipeline is formed in the peripheral surface of the discharging barrel;
one end of the piston column is inserted into the discharging barrel in a sliding manner from the other end of the discharging barrel; the rack is connected with the other end of the piston column and periodically meshed with the semi-gear; the half gear is connected with the first rotating shaft, and the central axis of the half gear is superposed with the central axis of the first rotating shaft; the first rotating shaft is connected with an output shaft of the first driving device; the first driving device is connected with the inner wall of the mounting bin;
the two ends of the guide rod are connected with the inner wall of the mounting bin, and the guide rod is parallel to the rack;
the fixed plate is connected with the guide rod; the first sliding part is connected with the guide rod in a sliding manner and is connected with the rack through a connecting rod;
the plurality of groups of second sliding parts are distributed side by side and are positioned between the fixed plate and the first sliding part, and the plurality of groups of second sliding parts are all connected with the guide rod in a sliding manner;
the multiple groups of first springs are respectively sleeved on the outer sides of the guide rods positioned among the multiple groups of second sliding parts, between the second sliding parts and the first sliding parts and between the second sliding parts and the fixed plate and connected with the multiple groups of second sliding parts, the first sliding parts and the fixed plate.
Preferably, the device also comprises a plurality of groups of telescopic rods, a plurality of groups of second springs and a buffer plate;
two ends of the multiple groups of telescopic rods are respectively connected with the buffer plate and the inner wall of the mounting bin; the multiple groups of second springs are respectively sleeved on the outer sides of the multiple groups of telescopic rods, and two ends of the multiple groups of second springs are respectively connected with the inner wall of the mounting bin and the buffer plate; under the initial state, the terminal surface laminating rack of buffer board is kept away from the one end of piston post.
Preferably, the device further comprises a splitter plate; the splitter plate is uniformly provided with a plurality of groups of splitter holes and connected with the inner wall of the mixing box so as to divide the interior of the mixing box into a mixed discharging bin with an upper layer for communicating the second discharging hole and the third discharging hole and a mixed feeding bin with a lower layer for communicating the first feeding hole; a rotating component is arranged in the mixed feeding bin.
Preferably, the rotating assembly includes a second driving device, a second rotating shaft, a plurality of sets of first rotating plates, a plurality of sets of second rotating plates, and a plurality of sets of third rotating plates; wherein the bottom surface of the mixed feeding bin is in an inverted cone shape;
the second rotating shaft is rotatably connected with the bottom surface of the mixed feeding bin and is in transmission connection with a second driving device; the second driving device is connected with the mixing box;
one end of each of the first rotating plates is connected with a second rotating shaft, and the first rotating plates are parallel to the bottom surface of the mixed feeding bin;
one end of each of the second rotating plates is connected with the other end of each of the first rotating plates, the second rotating plates are parallel to the second rotating shaft, and the other ends of the second rotating plates are connected with the third rotating plates; the multiple groups of third rotating plates are all parallel to the flow distribution plate, and the projections of the multiple groups of third rotating plates on the bottom surface of the mixed feeding bin are positioned between the multiple groups of second rotating plates and the second rotating shaft.
The technical scheme of the invention has the following beneficial technical effects:
in the invention, the end cover is opened to synchronously add the weighed raw material powder into the storage bin; closing the third control valve and opening the first control valve; the raw material powder falls from the discharge hole, is conveyed to the first discharge hole by the automatic discharge assembly and is pushed into the first pipeline; the high-pressure fan operates to the first pipeline, so that the raw material powder in the first pipeline is blown into the mixing box and lifted; the raised powder enters a second pipeline through a second discharge hole to enable the raw materials to flow back to the storage bin to be continuously fed, and the process is circulated until the raw materials are uniformly mixed; opening the third control valve and closing the first control valve; the raw materials in the mixing box flow into the collecting bin and are collected in the collecting bin, the second control valve is opened, the uniformly mixed raw materials in the collecting bin can be discharged into the collecting cylinder through the discharging pipe to be collected, the uniformly mixed raw material powder is weighed, is ball-milled and mixed with the adhesive, and is blended into a viscous state, so that the metal welding material is obtained, and the operation is simple and the use is convenient;
according to the invention, a plurality of groups of weighed powder raw materials can be mixed in a circulating blowing and raising mode, the mixing effect is good, the mixed raw material powder has uniform quality, and further, the high-quality metal welding material can be prepared.
Drawings
FIG. 1 is a flow chart of a method for preparing a stainless steel metal welding material according to the present invention.
Fig. 2 is a schematic structural diagram of a material mixing system in the preparation method of the stainless steel metal welding material provided by the invention.
Fig. 3 is a schematic structural diagram of a storage bin in the method for preparing a stainless steel welding material according to the present invention.
Fig. 4 is a schematic structural diagram of the matched installation of the guide rod and the discharging cylinder in the preparation method of the stainless steel metal welding material provided by the invention.
FIG. 5 is a schematic structural diagram of a mixing box in the method for preparing a stainless steel welding material according to the present invention.
FIG. 6 is a schematic structural diagram of a collection box in the method for preparing a stainless steel welding material according to the present invention.
Reference numerals: 1. a material storage box; 2. an end cap; 3. a transparent plate; 4. a first exhaust port; 5. a material returning hole; 6. a first separator; 7. a storage bin; 8. a discharge hole; 9. a first discharge hole; 10. a discharging barrel; 11. installing a bin; 12. a first driving device; 13. a first rotating shaft; 14. a buffer plate; 15. a third through hole; 16. a piston post; 17. a rack; 18. a second spring; 19. a guide bar; 20. a fixing plate; 21. a first spring; 22. a second slider; 23. a first slider; 24. a high pressure fan; 25. a first conduit; 26. a second conduit; 27. a mixing box; 28. a third pipeline; 29. a second driving device; 30. a collection box; 31. an exhaust fan; 32. a sealing door; 33. a second discharge hole; 34. a third discharge hole; 35. a first feed port; 36. a flow distribution plate; 37. a second rotation shaft; 38. a first rotating plate; 39. a second rotating plate; 40. a third rotating plate; 41. a second feed port; 42. a second vent hole; 43. a second separator; 44. a collection bin; 45. placing a bin; 46. a vibration device; 47. a discharge pipe; 48. and a collection cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 6, the method for preparing a stainless steel metal welding material provided by the invention comprises the following specific steps:
s1, weighing raw material powder to be mixed according to parts by weight;
s2, synchronously adding the weighed raw material powder into a mixing system for mixing; the mixing process of the added raw material powders in the mixing system is as follows:
s21, adding a plurality of groups of raw material powder into a storage box 1;
s22, discharging the powder in the storage box 1 through an automatic discharging assembly arranged in the storage box 1, and blowing the powder into the mixing box 27 through high-pressure gas;
s23, lifting and mixing the raw material powder in the mixing box 27, enabling the raw material powder to flow back into the storage box 1, discharging air entering the storage box 1 into the external environment, and discharging the raw material powder through the automatic discharging assembly;
s24, after the raw material powder is uniformly mixed, the raw material powder discharged into the mixing box 27 enters the collecting box 30, air entering the collecting box 30 is discharged into the external environment, and the raw material powder is gathered in the collecting box 30;
s3, taking out the uniformly mixed raw material powder;
s4, weighing and uniformly mixing raw material powder, heating and melting to obtain a molten raw material;
and S5, dripping the molten raw materials into cold water for solidification and molding, and screening to obtain the metal welding material.
In an alternative embodiment, the mixing system comprises a storage tank 1, a high pressure fan 24, a first conduit 25, a second conduit 26, a mixing tank 27, a third conduit 28, a collection tank 30, and a discharge pipe 47; wherein, the bottom surfaces of the storage box 1, the mixing box 27 and the collecting box 30 are all provided with supporting legs;
a first partition plate 6 is arranged in the material storage box 1; the first partition plate 6 is horizontally distributed and used for dividing the interior of the storage box 1 into a storage bin 7 at an upper layer and a mounting bin 11 at a lower layer, and a discharge hole 8 is formed in the first partition plate 6;
the end cover 2 is arranged at the port of the upper end surface of the storage bin 1 of the storage bin 7; the end cover 2 is in threaded fit connection with a charging port of the storage bin 7; the storage bin 7 is provided with a material return hole 5 and a first exhaust hole 4 on the storage box 1; a first filter screen is arranged in the first exhaust hole 4;
the mounting bin 11 is provided with a first discharging hole 9 on the material storage box 1, and an automatic discharging assembly for conveying the raw material powder falling from the discharging hole 8 into the first discharging hole 9 is arranged in the mounting bin 11;
the mixing box 27 is provided with a first feeding hole 35, a third discharging hole 34 and a second discharging hole 33;
the pipe orifices at two ends of the first pipeline 25 are respectively connected with the first discharging hole 9 and the first feeding hole 35; an air inlet port of the first pipeline 25 is connected with a high-pressure air outlet port of the high-pressure fan 24 through a pipeline;
two ends of the second pipeline 26 are respectively connected with the material return hole 5 and the second discharging hole 33, and the second pipeline 26 is provided with a first control valve;
a second clapboard 43 is arranged in the collecting box 30; the second clapboard 43 is used for dividing the collecting box 30 into a collecting bin 44 at the upper layer and a placing bin 45 at the lower layer for placing a collecting cylinder 48, and the second clapboard 43 is provided with a discharging hole;
the placing bin 45 is provided with a sealing door 32 on the end surface of the collecting box 30; the discharge pipe 47 is positioned between the placing bin 45 and the handle, a pipe orifice at one end of the discharge pipe 47 is connected with a discharge hole through a pipeline, and a second control valve is arranged on the discharge pipe 47;
the collecting bin 44 is provided with a second feeding hole 41 and a second exhaust hole 42 on the collecting box 30; a second filter screen is arranged in the second exhaust hole 42;
a third control valve is arranged on the third pipeline 28, and pipe orifices at two ends of the third pipeline 28 are respectively connected with the second feeding hole 41 and the third discharging hole 34;
when in use, the end cover 2 is opened to add a plurality of raw material powders into the storage bin 7; closing the third control valve and opening the first control valve; the raw material powder falls from the discharge hole 8, is conveyed to the first discharge hole 9 by the automatic discharge assembly, and is pushed into the first pipeline 25; the high pressure fan 24 operates in the first pipeline 25, and then blows the raw material powder in the first pipeline 25 into the mixing box 27 and lifts the powder; the raised powder enters the second pipeline 26 from the second discharging hole 33 to enable the raw materials to flow back to the storage bin 7 to be fed continuously, and the process is circulated until the raw materials are uniformly mixed;
opening the third control valve and closing the first control valve; the raw material in the mixing box 27 flows into the collecting bin 44 and is collected in the collecting bin 44, and the second control valve is opened, so that the raw material uniformly mixed in the collecting bin 44 can be discharged into a collecting cylinder 48 through a discharge pipe 47 for collection.
In an alternative embodiment, the end face of the first partition 6 located in the storage bin 7 is inclined downwards towards the central axis of the discharge opening 8;
the end face of the second partition 43 located in the collection chamber 44 is inclined downward toward the central axis of the discharge opening,
through the arrangement, the raw materials on the first partition plate 6 can conveniently and quickly fall into the discharge hole 8 and the raw materials on the second partition plate 43 can conveniently and quickly fall into the discharge hole.
In an alternative embodiment, a plurality of sets of vibration devices 46 are respectively arranged on the end surface of the first partition plate 6 in the installation bin 11 and the end surface of the second partition plate 43 in the placing bin 45;
the multiple groups of vibration devices 46 are arranged to facilitate the raw materials on the first partition plate 6 to quickly fall into the discharge hole 8 and the raw materials on the second partition plate 43 to quickly fall into the discharge hole.
In an alternative embodiment, further comprises an exhaust fan 31; wherein, the placing bin 45 is provided with a first through hole on the collecting box 30; the collecting bin 44 is provided with a second through hole on the collecting box 30;
the exhaust fan 31 is connected with the collection box 30, and the air inlet end of the exhaust fan 31 is respectively connected with the first through hole and the second through hole through pipelines;
during the use, open the raw materials discharge into the collecting vessel 48 after the second control valve with mixing in, the powder of air exhauster 31 will be kicked up is collected and is carried to in collecting bin 44, avoids the powder of kicking up to escape other operating personnel and inhales and endanger its health to avoid the waste of raw materials.
In an alternative embodiment, transparent plates 3 are embedded on the end surfaces of the storage box 1, the mixing box 27 and the collecting box 30, so that the interiors of the storage box 1, the mixing box 27 and the collecting box 30 can be conveniently viewed.
In an alternative embodiment, the automatic discharging assembly includes a discharging cylinder 10, a first driving device 12, a first rotating shaft 13, a piston column 16, a rack 17, a half gear, a guide rod 19, a fixed plate 20, a plurality of sets of first springs 21, a plurality of sets of second sliders 22, and a first slider 23;
one end of the discharge barrel 10 is connected with the inner wall of the mounting bin 11, the interior of the discharge barrel 10 is communicated with the first discharge hole 9, the central axis of the discharge barrel 10 is superposed with the central axis of the first discharge hole 9, and the outer peripheral surface of the discharge barrel 10 is provided with a third through hole 15 for connecting the discharge hole 8 through a pipeline;
one end of the piston column 16 is inserted into the discharging barrel 10 from the other end of the discharging barrel 10 in a sliding manner; the rack 17 is connected with the other end of the piston column 16, and the rack 17 is periodically meshed with a semi-gear; the half gear is connected with the first rotating shaft 13, and the central axis of the half gear is superposed with the central axis of the first rotating shaft 13; the first rotating shaft 13 is connected to an output shaft of the first driving device 12; the first driving device 12 is connected with the inner wall of the installation bin 11, and the first driving device 12 is a variable frequency motor;
both ends of the guide rod 19 are connected with the inner wall of the mounting bin 11, and the guide rod 19 is parallel to the rack 17;
the fixed plate 20 is connected with the guide rod 19; the first sliding part 23 is connected with the guide rod 19 in a sliding way, and the first sliding part 23 is connected with the rack 17 through a connecting rod;
the groups of second sliding parts 22 are distributed side by side and are positioned between the fixed plate 20 and the first sliding part 23, and the groups of second sliding parts 22 are all connected with the guide rod 19 in a sliding manner;
the multiple groups of first springs 21 are respectively sleeved on the outer sides of the guide rods 19 positioned between the multiple groups of second sliding parts 22, between the second sliding parts 22 and the first sliding parts 23, and between the second sliding parts 22 and the fixed plate 20; wherein, two ends of the plurality of groups of first springs 21 are respectively connected with the plurality of groups of second sliding parts 22, first sliding parts 23 and fixing plates 20;
when in use, the first driving device 12 drives the first rotating shaft 13 and the half gear; the semi-gear periodically engages with the connecting rack 17 to drive the rack 17 and the piston column 16 to slide towards the inside of the discharging barrel 10, so that the raw material powder falling into the discharging barrel 10 from the discharging hole 8 is pushed into the first pipeline 25, and at the moment, the first sliding part 23 moves towards the fixed plate 20 to extrude a plurality of groups of first springs 21; after the half gear and the rack are separated, the first sliding part 23, the rack 17 and the piston column 16 slide towards one side far away from the discharging barrel 10, the discharging hole 8 is communicated with the inside of the discharging barrel 10, materials in the storage bin 7 fall into the discharging barrel 10 through the discharging hole 8, the processes are continuously repeated, and raw materials in the storage bin 7 are continuously conveyed into the first pipeline 25.
In an optional embodiment, the device further comprises a plurality of sets of telescopic rods, a plurality of sets of second springs 18 and a buffer plate 14;
two ends of the multiple groups of telescopic rods are respectively connected with the buffer plate 14 and the inner wall of the mounting bin 11; the multiple groups of second springs 18 are respectively sleeved on the outer sides of the multiple groups of telescopic rods, and two ends of the multiple groups of second springs 18 are respectively connected with the inner wall of the mounting bin 11 and the buffer plate 14; in an initial state, the end face of the buffer plate 14 is attached to one end of the rack 17 far away from the piston column 16;
the rack 17 slides towards one side of the buffer plate 14 and extrudes with the buffer plate 14, so as to extrude the plurality of groups of second springs 18, and the rack 17 is further limited and the reciprocating movement stability of the rack is improved through the plurality of groups of second springs 18 and the buffer plate 14.
In an alternative embodiment, a diverter plate 36 is also included; the flow distribution plate 36 is uniformly provided with multi-component flow holes, and the flow distribution plate 36 is connected with the inner wall of the mixing box 27 so as to divide the interior of the mixing box 27 into an upper layer of mixed discharging bin for communicating the second discharging hole 33 and the third discharging hole 34 and a lower layer of mixed feeding bin for communicating the first feeding hole 35; a rotating assembly is arranged in the mixed feeding bin; the rotating assembly comprises a second driving device 29, a second rotating shaft 37, a plurality of groups of first rotating plates 38, a plurality of groups of second rotating plates 39 and a plurality of groups of third rotating plates 40; wherein the bottom surface of the mixed feeding bin is in an inverted cone shape;
the second rotating shaft 37 is rotatably connected with the bottom surface of the mixed feeding bin, and the second rotating shaft 37 is in transmission connection with the second driving device 29; the second driving device 29 is connected with the mixing box 27; the second driving device 29 adopts a variable frequency motor;
one end of each of the first rotating plates 38 is connected with a second rotating shaft 37, and the first rotating plates 38 are parallel to the bottom surface of the mixing and feeding bin;
one end of each of the plurality of second rotating plates 39 is connected to the other end of each of the plurality of first rotating plates 38, each of the plurality of second rotating plates 39 is parallel to the second rotating shaft 37, and the other end of each of the plurality of second rotating plates 39 is connected to each of the plurality of third rotating plates 40; the multiple groups of third rotating plates 40 are all parallel to the flow distribution plate 36, and the projections of the multiple groups of third rotating plates 40 on the bottom surface of the mixed feeding bin are positioned between the multiple groups of second rotating plates 39 and the second rotating shaft 37;
when in use, the second driving device 29 drives the plurality of groups of first rotating plates 38, the plurality of groups of second rotating plates 39 and the plurality of groups of third rotating plates 40 to rotate; the raw material powder entering the mixed feeding bin from the first feeding hole 35 contacts and is scattered with the plurality of groups of rotating first rotating plates 38, the plurality of groups of second rotating plates 39 and the plurality of groups of third rotating plates 40; the scattered powder is far away from and gets into in the mixed ejection of compact storehouse after the reposition of redundant personnel of flow distribution plate 36 to improve the mixing efficiency to keeping away from the powder.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The preparation method of the stainless steel metal welding material is characterized by comprising the following specific steps of:
s1, weighing raw material powder to be mixed according to parts by weight;
s2, synchronously adding the weighed raw material powder into a mixing system for mixing; the mixing process of the added raw material powders in the mixing system is as follows:
s21, adding a plurality of groups of raw material powder into a storage box (1);
s22, discharging powder in the storage box (1) through an automatic discharging assembly arranged in the storage box (1), and blowing high-pressure gas into the mixing box (27);
s23, lifting and mixing the raw material powder in the mixing box (27) and making the raw material powder flow back into the storage box (1), discharging the air entering the storage box (1) into the external environment, and discharging the raw material powder from the automatic discharging assembly;
s24, after the raw material powder is uniformly mixed, the raw material powder discharged into the mixing box (27) enters the collecting box (30), the air entering the collecting box (30) is discharged into the external environment, and the raw material powder is gathered in the collecting box (30);
s3, taking out the uniformly mixed raw material powder;
s4, weighing and uniformly mixing raw material powder, heating and melting to obtain a molten raw material;
and S5, dripping the molten raw materials into cold water for solidification and molding, and screening to obtain the metal welding material.
2. The method for preparing the stainless steel metal welding material according to the claim 1, wherein the mixing system comprises a storage tank (1), a high pressure fan (24), a first pipeline (25), a second pipeline (26), a mixing tank (27), a third pipeline (28), a collecting tank (30) and a discharging pipe (47);
a first clapboard (6) is arranged in the material storage box (1); the first partition plate (6) is horizontally distributed and used for dividing the interior of the storage box (1) into a storage bin (7) at the upper layer and an installation bin (11) at the lower layer, and a discharge hole (8) is formed in the first partition plate (6);
an end cover (2) is arranged at the port of the upper end face of the storage box (1) of the storage bin (7), and a material return hole (5) and a first exhaust hole (4) are formed in the storage bin (7) on the storage box (1); a first filter screen is arranged in the first exhaust hole (4);
the mounting bin (11) is provided with a first discharge hole (9) on the storage box (1), and an automatic discharge assembly for conveying the raw material powder falling from the discharge hole (8) into the first discharge hole (9) is arranged in the mounting bin (11);
a first feeding hole (35), a third discharging hole (34) and a second discharging hole (33) are formed in the mixing box (27);
the pipe orifices at two ends of the first pipeline (25) are respectively connected with a first discharging hole (9) and a first feeding hole (35);
an air inlet port of the first pipeline (25) is connected with a high-pressure air outlet port of the high-pressure fan (24) through a pipeline;
two ends of the second pipeline (26) are respectively connected with the material returning hole (5) and the second discharging hole (33), and a first control valve is arranged on the second pipeline (26);
a second clapboard (43) is arranged in the collecting box (30); the second clapboard (43) is used for dividing the collecting box (30) into a collecting bin (44) at the upper layer and a placing bin (45) at the lower layer for placing the collecting cylinder (48), and the second clapboard (43) is provided with a discharging hole;
the placing bin (45) is provided with a sealing door (32) on the end surface of the collecting box (30); the discharge pipe (47) is positioned in the placing bin (45) and pinched, a pipe orifice at one end of the discharge pipe (47) is connected with the discharge hole through a pipeline, and a second control valve is arranged on the discharge pipe (47);
the collection bin (44) is provided with a second feeding hole (41) and a second exhaust hole (42) on the collection box (30); a second filter screen is arranged in the second exhaust hole (42);
a third control valve is arranged on the third pipeline (28), and the pipe orifices at the two ends of the third pipeline (28) are respectively connected with a second feeding hole (41) and a third discharging hole (34).
3. A method for preparing a stainless steel-metal welding material according to claim 2, characterized in that the end surface of the first partition plate (6) in the storage bin (7) is arranged obliquely downwards towards the central axis of the discharge hole (8); the end face of a second clapboard (43) positioned in the collection bin (44) is inclined downwards towards the central axis direction of the discharge hole.
4. A method for preparing a stainless steel-metal welding material according to claim 3, characterized in that a plurality of sets of vibration means (46) are respectively provided on the end surface of the first partition plate (6) in the installation chamber (11) and the end surface of the second partition plate (43) in the placing chamber (45).
5. A method for manufacturing a stainless steel-metal welding material according to claim 2, characterized by further comprising an exhaust fan (31); wherein, the placing bin (45) is provided with a first through hole on the collecting box (30); the collection bin (44) is provided with a second through hole on the collection box (30);
the exhaust fan (31) is connected with the collection box (30), and the air inlet end of the exhaust fan (31) is respectively connected with the first through hole and the second through hole through pipelines.
6. The method for preparing the stainless steel metal welding material according to the claim 2, characterized in that the transparent plates (3) are embedded on the end surfaces of the storage box (1), the mixing box (27) and the collecting box (30).
7. The method for preparing the stainless steel metal welding material according to the claim 1, wherein the automatic discharging assembly comprises a discharging barrel (10), a first driving device (12), a first rotating shaft (13), a piston column (16), a rack (17), a half gear, a guide rod (19), a fixed plate (20), a plurality of groups of first springs (21), a plurality of groups of second sliding members (22) and a first sliding member (23);
one end of the discharge barrel (10) is connected with the inner wall of the mounting bin (11), the interior of the discharge barrel (10) is communicated with the first discharge hole (9), the central axis of the discharge barrel (10) is superposed with the central axis of the first discharge hole (9), and a third through hole (15) for connecting the discharge hole (8) through a pipeline is formed in the outer peripheral surface of the discharge barrel (10);
one end of the piston column (16) is inserted into the discharging barrel (10) from the other end of the discharging barrel (10) in a sliding manner; the rack (17) is connected with the other end of the piston column (16), and the rack (17) is periodically meshed with the semi-gear; the half gear is connected with the first rotating shaft (13), and the central axis of the half gear is superposed with the central axis of the first rotating shaft (13); the first rotating shaft (13) is connected with an output shaft of the first driving device (12); the first driving device (12) is connected with the inner wall of the mounting bin (11);
both ends of the guide rod (19) are connected with the inner wall of the mounting bin (11), and the guide rod (19) is parallel to the rack (17); the fixed plate (20) is connected with the guide rod (19); the first sliding piece (23) is connected with the guide rod (19) in a sliding manner, and the first sliding piece (23) is connected with the rack (17) through a connecting rod; the groups of second sliding parts (22) are distributed side by side and are positioned between the fixed plate (20) and the first sliding part (23), and the groups of second sliding parts (22) are all connected with the guide rod (19) in a sliding manner; the multiple groups of first springs (21) are respectively sleeved on the outer sides of the guide rods (19) positioned between the multiple groups of second sliding parts (22), between the second sliding parts (22) and the first sliding parts (23) and between the second sliding parts (22) and the fixed plate (20) and are connected with the multiple groups of second sliding parts (22), the first sliding parts (23) and the fixed plate (20).
8. The method for preparing a stainless steel-metal welding material according to claim 7, further comprising a plurality of sets of telescopic rods, a plurality of sets of second springs (18) and a buffer plate (14);
two ends of the multiple groups of telescopic rods are respectively connected with the buffer plate (14) and the inner wall of the mounting bin (11); the multiple groups of second springs (18) are respectively sleeved on the outer sides of the multiple groups of telescopic rods, and two ends of the multiple groups of second springs (18) are respectively connected with the inner wall of the mounting bin (11) and the buffer plate (14); in an initial state, the end face of the buffer plate (14) is attached to one end, away from the piston column (16), of the rack (17).
9. A method of manufacturing a stainless steel-metal welding material according to claim 2, further comprising a diverter plate (36); the splitter plate (36) is uniformly provided with multiple groups of splitter holes, and the splitter plate (36) is connected with the inner wall of the mixing box (27) so as to divide the interior of the mixing box (27) into an upper mixed discharging bin for communicating the second discharging hole (33) with the third discharging hole (34) and a lower mixed feeding bin for communicating the first feeding hole (35); a rotating component is arranged in the mixed feeding bin.
10. A method for preparing a stainless steel-metal welding material according to claim 9, wherein the rotating assembly comprises a second driving means (29), a second rotating shaft (37), a plurality of sets of first rotating plates (38), a plurality of sets of second rotating plates (39), and a plurality of sets of third rotating plates (40); wherein the bottom surface of the mixed feeding bin is in an inverted cone shape;
the second rotating shaft (37) is rotatably connected with the bottom surface of the mixed feeding bin, and the second rotating shaft (37) is in transmission connection with a second driving device (29); the second driving device (29) is connected with the mixing box (27);
one end of each group of first rotating plates (38) is connected with a second rotating shaft (37), and the groups of first rotating plates (38) are parallel to the bottom surface of the mixed feeding bin;
one end of each of the second rotating plates (39) is connected with the other end of each of the first rotating plates (38), the second rotating plates (39) are parallel to the second rotating shaft (37), and the other ends of the second rotating plates (39) are connected with the third rotating plates (40); the multiple groups of third rotating plates (40) are all parallel to the flow distribution plate (36), and the projections of the multiple groups of third rotating plates (40) on the bottom surface of the mixing and feeding bin are positioned between the multiple groups of second rotating plates (39) and the second rotating shaft (37).
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| CN112621025B (en) | 2022-06-21 |
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