CN116275073B - Centrifugal treatment equipment and method for alloy powder processing - Google Patents
Centrifugal treatment equipment and method for alloy powder processing Download PDFInfo
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- CN116275073B CN116275073B CN202310434133.9A CN202310434133A CN116275073B CN 116275073 B CN116275073 B CN 116275073B CN 202310434133 A CN202310434133 A CN 202310434133A CN 116275073 B CN116275073 B CN 116275073B
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- 239000000956 alloy Substances 0.000 title claims abstract description 49
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 49
- 238000009700 powder processing Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title description 7
- 238000001816 cooling Methods 0.000 claims abstract description 57
- 239000007921 spray Substances 0.000 claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000003672 processing method Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 48
- 239000000843 powder Substances 0.000 claims description 42
- 239000002923 metal particle Substances 0.000 claims description 35
- 210000001503 joint Anatomy 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 229910002065 alloy metal Inorganic materials 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 62
- 239000002184 metal Substances 0.000 abstract description 62
- 239000000110 cooling liquid Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000889 atomisation Methods 0.000 abstract description 2
- 239000000155 melt Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 4
- 238000009690 centrifugal atomisation Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/10—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying using centrifugal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention relates to the technical field of alloy powder processing, in particular to centrifugal processing equipment and a centrifugal processing method for alloy powder processing, comprising a frame, wherein a rotary atomizing device is arranged on the frame; the cooling hopper is arranged on the frame and the whole cooling hopper is funnel-shaped; the rotary driving assembly is arranged on the cooling hopper and is used for controlling the mounting ring to rotate; at least three spray heads are arranged on the mounting ring, and the spray heads are arranged in a central symmetry mode along the axis of the mounting ring. According to the centrifugal treatment device, the function of enabling the metal melt to be in contact with the cooling liquid at the first time after being thrown out is achieved through the frame, the rotary atomization device and the cooling device, the effect of preventing a plurality of metal melts from being solidified together is achieved, and the problem that the metal melt is adhered to the side wall of the water pool in the production process of the traditional centrifugal treatment device is solved.
Description
Technical Field
The invention relates to the technical field of alloy powder processing, in particular to centrifugal processing equipment and method for alloy powder processing.
Background
The metal powder refers to a group of metal particles having a size of less than 1 mm. Including single metal powders, alloy powders, and certain refractory compound powders having metallic properties, are the primary raw materials for powder metallurgy. Most of powder processing is manufactured by centrifugal atomization, but most of screens of the conventional centrifugal atomization are cylindrical, and when the screens are rotated, the screens are melted together due to stress when the screens fall down and are not cooled, so that the size of the powder is increased, and the quality of the powder is affected.
For this reason, chinese patent CN114603149B discloses a centrifugal preparation device for alloy powder processing, which is to place the molten metal in a metal solution tank through the molten metal, pour the molten metal into a solution diversion arc tank at a constant speed, flow the molten metal into a rotary atomizing assembly through the solution diversion arc tank, gradually start a hydraulic ejector rod of the solution tank according to the pouring time, thereby raising the rear end of the metal solution tank to rotate between two metal solution tank supporting frames, so as to gradually pour out the molten metal, after the molten metal is rotationally atomized by the rotary atomizing assembly, the atomized molten metal falls into water, is suddenly cooled, forms particles, and sinks into a pool bottom plate, pushes the cooled metal powder to the outer ring again by the rotary atomizing assembly, wherein the cooled metal powder falls onto a metal powder water filtering screen after flowing out of a gap at the edge, the water permeates into a circulating pool, and the metal powder is screened out, so that the water can be recycled; the upper end of the rotary atomizing assembly is driven by a driving motor to rotate to drive a transfer cylinder part, and the metal powder pushing plate and the rotary atomizing turntable at the top end are respectively driven to rotate to throw out molten liquid from an atomizing side sieve hole and an atomizing upper sieve hole, so that the molten liquid which is centrifugally thrown out is layered and thrown out without contact with each other, and the quality of a metal powder finished product can be ensured;
however, when current rotatory atomizing subassembly throws away the metal melt through rotating, when metal melt and pond lateral wall contact, solidifies on the pond lateral wall, can't drop in the pond smoothly, and the clearance is comparatively difficult to along with the continuation of production, when a plurality of metal melt solidifies together, will lead to the metal powder size of solidification unqualified, influences production quality and production efficiency.
Disclosure of Invention
Aiming at the problems, the centrifugal processing equipment and the centrifugal processing method for processing the alloy powder solve the problem that the metal melt can be adhered to the side wall of a pool in the production process of the traditional centrifugal processing equipment through a rack, an atomizing device and a cooling device.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the centrifugal treatment equipment for processing the alloy powder comprises a rack, wherein a rotary atomizing device is arranged on the rack, the centrifugal treatment equipment further comprises a cooling device, and the cooling device comprises a cooling hopper, a rotary driving assembly and a mounting ring; the cooling hopper is arranged on the frame and the whole cooling hopper is funnel-shaped; the rotary driving assembly is arranged on the cooling hopper and is used for controlling the mounting ring to rotate; at least three spray heads are arranged on the mounting ring, and the spray heads are arranged in a central symmetry mode along the axis of the mounting ring.
Preferably, the centrifugal processing apparatus further comprises a collecting device, the collecting device comprising a bin, a collecting chamber and a communicating assembly; the storage bin is arranged on the cooling hopper and is positioned below the cooling hopper, and two ends of the storage bin are respectively communicated with the cooling hopper and the collecting cabin; the collecting cabin is arranged on the frame and is positioned below the storage bin; the communication assembly comprises a filter disc and a first elastic piece, and the filter disc is slidably arranged in the storage bin; the both ends of first elastic component are connected with filter plate and collection cabin respectively.
Preferably, the collecting device further comprises a hysteresis assembly comprising a stationary ring, a support, a first hinge seat, a second hinge seat and a second elastic member; the fixed ring is arranged in the collecting cabin; the support is connected with the filter plate; the first hinging seat and the second hinging seat are respectively hinged on the fixed ring and the support; two ends of the second elastic piece are respectively connected with the first hinging seat and the second hinging seat.
Preferably, the rotary drive assembly comprises a rotary drive, a toothed ring, a first rotary shaft and a rotary gear; the rotary driver is arranged on the frame; the toothed ring is sleeved on the mounting ring; the first rotating shaft is rotatably arranged on the frame, and the driving end of the rotating driver is in transmission connection with the first rotating shaft; the rotary gear is sleeved on the first rotary shaft and is in transmission connection with the toothed ring.
Preferably, the rotary atomizing device comprises a rotary atomizing disk, a transmission assembly and a clutch assembly; the rotary atomizing disk is arranged on the frame and provided with a guide cover; the two ends of the transmission component are respectively connected with the rotary driving component and the clutch component in a transmission way; the clutch assembly is arranged on the frame and is used for connecting the transmission assembly and the rotary atomizing disk.
Preferably, the clutch assembly comprises a second rotating shaft, a butt joint disc, a third rotating shaft and a clutch disc; the second rotating shaft is rotatably arranged on the frame, and the rotary atomizing disk and the butt joint disk are sleeved on the second rotating shaft; the third rotating shaft is rotatably arranged on the frame, the axis of the third rotating shaft is collinear with the axis of the second rotating shaft, and the third rotating shaft is in transmission connection with the first rotating shaft through a transmission assembly; the clutch disc is sleeved on the third rotating shaft, and the clutch disc can drive the butt disc to rotate after the butt disc is in tight contact with the clutch disc; the frame is also provided with a control component for controlling the clutch disc to move.
Preferably, the control assembly comprises a control rack and a connecting rack; the control frame is slidably arranged at the bottom of the collecting cabin; the connecting frame is connected with the control frame, and the clutch disc is rotationally connected with the connecting frame.
Preferably, the transmission assembly comprises a sleeve and a timing belt; the two sleeves are respectively sleeved on the third rotating shaft and the first rotating shaft; two ends of the synchronous belt are respectively sleeved on the two sleeves.
Preferably, the filter sheet is provided with a protruding part, and the protruding part is positioned at the middle position of the filter sheet.
A centrifugal processing method for processing alloy powder, comprising the following steps: s1, starting a rotary atomizing device, and starting a spray head and a rotary driving assembly; s2, forming a water film on the cooling hopper by cooling water sprayed out of the spray head, and solidifying and forming metal particles by contacting the water film under the action of centrifugal force; s3, the formed metal particles slide down along the inner wall of the cooling hopper under the action of gravity and water flow impact force; s4, collecting the powdery alloy metal particles.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the centrifugal treatment device, the function of enabling the metal melt to be in contact with the cooling liquid at the first time after being thrown out is achieved through the frame, the rotary atomization device and the cooling device, the effect of preventing a plurality of metal melts from being solidified together is achieved, and the problem that the metal melt is adhered to the side wall of the water pool in the production process of the traditional centrifugal treatment device is solved.
2. According to the invention, the function of automatically collecting alloy powder is realized through the storage bin, the collecting cabin and the communicating component, and the effect of improving the alloy powder collecting efficiency is achieved.
3. According to the invention, the function of maintaining the position of the filter plate after the first elastic piece is contracted is realized through the fixing ring, the support, the first hinging seat, the second hinging seat and the second elastic piece, so that the effect of delaying the reset of the filter plate is achieved.
Drawings
FIG. 1 is a schematic perspective view of a centrifugal processing apparatus for alloy powder processing;
FIG. 2 is an exploded perspective view of a cooling device in a centrifugal processing apparatus for processing alloy powder;
FIG. 3 is a schematic perspective view of a rotary atomizing device and a collecting device in a centrifugal processing apparatus for processing alloy powder;
FIG. 4 is a schematic perspective view of a collection device in a centrifugal processing apparatus for alloy powder processing;
FIG. 5 is a schematic perspective view of a hysteresis assembly in a centrifugal processing apparatus for alloy powder processing with a filter plate not lowered;
FIG. 6 is a schematic perspective view of a rotary atomizing device and a collecting device in a centrifugal processing apparatus for alloy powder processing, when a filter sheet is not lowered;
FIG. 7 is a schematic perspective view of a centrifugal processing apparatus for processing alloy powder in a cooling device;
FIG. 8 is an enlarged partial schematic view at A in FIG. 7;
FIG. 9 is a schematic perspective view of a clutch assembly and control assembly in a centrifugal processing apparatus for alloy powder processing;
FIG. 10 is a schematic cross-sectional view of a clutch assembly and a control assembly in a centrifugal processing apparatus for alloy powder processing.
The reference numerals in the figures are:
1-a frame;
2-a rotary atomizing device;
21-a rotary atomizing disk; 211-a guide cover;
22-a transmission assembly; 221-sleeve; 222-a synchronous belt;
23-a clutch assembly; 231-a second rotation axis; 232-a docking tray; 233-a third rotation axis; 234—a clutch disc; 235-a third elastic member; 236-a top column; 237-butt-joint groove;
24-a control assembly; 241-control rack; 242-connecting frame;
3-a cooling device;
31-a cooling bucket;
32-a rotary drive assembly; 321-a rotary drive; 322-tooth ring; 323-a first rotation axis; 324-rotating a gear; 325-conical fluted disc; 326-bevel gear;
33-a mounting ring; 331-spray head;
4-a collection device;
41-bin;
42-collecting cabin;
43-communication assembly; 431-filter sheet; 4311-bosses; 432-a first elastic member;
44-hysteresis component; 441-a fixing ring; 442-support; 443-a first hinge seat; 444-a second hinge mount; 445-second elastic member.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1-3: the centrifugal treatment equipment for processing the alloy powder comprises a frame 1, wherein a rotary atomizing device 2 is arranged on the frame 1, the centrifugal treatment equipment further comprises a cooling device 3, and the cooling device 3 comprises a cooling hopper 31, a rotary driving assembly 32 and a mounting ring 33; the cooling hopper 31 is arranged on the frame 1 and is in a funnel shape as a whole; a rotary drive assembly 32 is mounted on the cooling bucket 31 and is used to control the rotation of the mounting ring 33; the mounting ring 33 is provided with at least three spray nozzles 331, and the plurality of spray nozzles 331 are arranged along the axis center of the mounting ring 33.
According to the invention, the function of enabling the molten metal to be in contact with the cooling liquid at the first time after being thrown out is realized through the frame 1, the rotary atomizing device 2 and the cooling device 3, the effect of avoiding solidification of a plurality of molten metal together is achieved, and the problem that the molten metal is adhered to the side wall of the water pool in the production process of the traditional centrifugal treatment equipment is solved. The rotary atomizing device 2 and the rotary driving assembly 32 are electrically connected with the controller; the centrifugal processing equipment is started by an operator, then the controller sends a signal to the rotary atomizing device 2 and the rotary driving component 32, the rotary atomizing device 2 throws out atomized molten metal after receiving the signal, meanwhile, the rotary driving component 32 controls the mounting ring 33 to rotate after receiving the signal, the mounting ring 33 drives the spray head 331 to rotate, the spray head 331 sprays cooling liquid, the continuously sprayed cooling liquid flows along the inner wall of the cooling bucket 31 along with the rotation of the mounting ring 33, a layer of water film is formed on the inner wall of the cooling bucket 31, the atomized molten metal is thrown to the side wall of the cooling bucket 31 under the action of centrifugal force, after the molten metal contacts with the water film, the molten metal solidifies under the cooling of the cooling liquid to form metal particles, the metal particles slide under the action of gravity and the impact force of water flow after being molded, and the operator collects the metal powder, so that the preparation of alloy powder is completed.
Referring to fig. 1-4: the centrifugal processing apparatus further comprises a collecting device 4, the collecting device 4 comprising a bin 41, a collecting compartment 42 and a communication assembly 43; the bin 41 is arranged on the cooling hopper 31 and is positioned below the cooling hopper 31, and two ends of the bin 41 are respectively communicated with the cooling hopper 31 and the collecting cabin 42; the collection compartment 42 is mounted on the frame 1 and is located below the silo 41; the communication assembly 43 includes a filter 431 and a first elastic member 432, the filter 431 being slidably mounted inside the bin 41; the first elastic member 432 is connected at both ends to the filter 431 and the collecting compartment 42, respectively.
The invention realizes the function of automatically collecting alloy powder through the storage bin 41, the collecting cabin 42 and the communicating component 43, and achieves the effect of improving the collecting efficiency of the alloy powder. An operator starts centrifugal treatment equipment, a controller sends signals to a rotary atomizing device 2 and a rotary driving component 32, the rotary atomizing device 2 throws atomized molten metal liquid out after receiving the signals, meanwhile, the rotary driving component 32 controls a mounting ring 33 to rotate after receiving the signals, the mounting ring 33 drives a spray head 331 to rotate, the spray head 331 sprays cooling liquid, a layer of water film is formed on the inner wall of a cooling bucket 31, the atomized molten metal liquid is thrown to the side wall of the cooling bucket 31 under the action of centrifugal force, after the molten metal liquid contacts with the water film, the molten metal liquid is solidified under the cooling of the cooling liquid to form metal particles, after the metal particles are formed, the metal particles slide into a bin 41 under the action of gravity and the impact force of water flow, the metal particles stop moving downwards under the blocking of a filter 431, and the water flows into a collecting bin 42 through a filter 431, the filter 431 are communicated with the spray head 331 on the mounting ring 33 to form circulation of the cooling liquid, a communication pipeline is not shown in the figure, along with alloy powder accumulation on the filter 431, the filter 431 is subjected to pressure increase, under the pressure, a first elastic piece 432 contracts, when the filter 431 is separated from the filter 431 and slides down to the bin 41 along the alloy bin 41, the alloy bin 41 is separated from the powder bin 42, the alloy bin is collected in a constant-volume, the alloy bin 42 can be collected in the collecting bin 42, and the alloy bin is collected by the alloy bin 42 is collected by the operator.
Referring to fig. 4-6: the collecting device 4 further comprises a hysteresis assembly 44, the hysteresis assembly 44 comprising a fixed ring 441, a support 442, a first hinge seat 443, a second hinge seat 444 and a second elastic member 445; the fixed ring 441 is mounted in the collection chamber 42; support 442 is connected to filter 431; the first hinge seat 443 and the second hinge seat 444 are hinged to the fixed ring 441 and the support 442, respectively; both ends of the second elastic member 445 are connected to the first hinge seat 443 and the second hinge seat 444, respectively.
The invention realizes the function of maintaining the position of the filter sheet 431 after the first elastic member 432 is contracted through the fixing ring 441, the support 442, the first hinge seat 443, the second hinge seat 444 and the second elastic member 445, and achieves the effect of delaying the return of the filter sheet 431. As the metal particles are accumulated on the filter 431, when the filter 431 is pressed down, the metal particles slide into the collecting cabin 42, but as the metal particles slide down a part of the pressure of the filter 431 is reduced, the filter 431 slides up again, so that the filter 431 frequently slides back and forth during production, and automatic collection cannot be smoothly performed, and a hysteresis assembly 44 is designed for the purpose; after the centrifugal treatment equipment is started by an operator, molten metal particles are produced through the rotary atomizing device 2, the molten metal particles are solidified after being cooled by the cooling device 3, the solidified metal particles fall into the bin 41, along with the accumulation of the metal particles, the pressure born by the filter plates 431 is increased, the filter plates 431 slide downwards against the pressure of the first elastic piece 432 and the second elastic piece 445, after the support 442 passes over the position of the fixing ring 441, the elastic direction of the second elastic piece 445 is changed, the filter plates 431 are further pressed downwards, the metal particles slide into the collecting bin 42 from the gap between the filter plates 431 and the bin 41 under the action of water flow and gravity, and the filter plates 431 are prevented from being quickly reset in a short time under the elastic action of the second elastic piece 445, so that the metal particles can slide into the collecting bin 42 smoothly.
Referring to fig. 1, 2, 7 and 8: the rotary drive assembly 32 includes a rotary driver 321, a toothed ring 322, a first rotary shaft 323, and a rotary gear 324; the rotary driver 321 is mounted on the frame 1; the toothed ring 322 is sleeved on the mounting ring 33; the first rotating shaft 323 is rotatably installed on the frame 1, and the driving end of the rotating driver 321 is in transmission connection with the first rotating shaft 323; the rotary gear 324 is sleeved on the first rotary shaft 323 and is in transmission connection with the toothed ring 322.
The rotary driving assembly 32 further comprises a bevel gear disc 325 and a bevel gear 326, wherein the bevel gear disc 325 is sleeved on the first rotary shaft 323, the bevel gear 326 is sleeved on the driving end of the rotary driver 321, and the bevel gear 326 is in transmission connection with the bevel gear disc 325.
The present invention realizes a function of controlling the rotation of the mounting ring 33 by the rotary driver 321, the toothed ring 322, the first rotation shaft 323, and the rotation gear 324. The rotary driver 321 is preferably a servo motor, and the servo motor is electrically connected with the controller; after an operator starts the centrifugal treatment equipment, a controller sends a signal to the rotary atomizing device 2 and the rotary driver 321, the rotary atomizing device 2 throws out atomized molten metal after receiving the signal, meanwhile, the rotary driver 321 drives the bevel gear 326 to rotate after receiving the signal, the bevel gear 326 drives the bevel gear disk 325 connected with the bevel gear disk 325 in a transmission manner to rotate, the bevel gear disk 325 drives the first rotating shaft 323 to rotate, the first rotating shaft 323 drives the rotating gear 324 to rotate, the rotating gear 324 drives the toothed ring 322 connected with the bevel gear disk 322 in a transmission manner to rotate, the toothed ring 322 drives the mounting ring 33 to rotate, the mounting ring 33 drives the spray head 331 to rotate, the spray head 331 sprays cooling liquid, a layer of water film is formed on the inner wall of the cooling bucket 31, the atomized molten metal is thrown to the side wall of the cooling bucket 31 under the action of the centrifugal force, after the molten metal is contacted with the water film, the molten metal is solidified under the cooling of the cooling liquid, metal particles are formed, and the molten metal particles slide into the storage bin 41 under the action of gravity and the impact force of the water flow after being formed, and the preparation of alloy powder is completed.
Referring to fig. 1-4: the rotary atomizing device 2 comprises a rotary atomizing disk 21, a transmission assembly 22 and a clutch assembly 23; the rotary atomizing disk 21 is arranged on the frame 1, and a guide cover 211 is arranged on the rotary atomizing disk 21; the two ends of the transmission assembly 22 are respectively connected with the rotary driving assembly 32 and the clutch assembly 23 in a transmission way; a clutch assembly 23 is provided on the frame 1 and is used to connect the transmission assembly 22 and the rotary atomizing disk 21.
The present invention achieves the function of producing atomized molten metal by rotating the atomizing disk 21, the transmission assembly 22 and the clutch assembly 23. The rotary atomizing disk 21 is electrically connected with the controller; the method comprises the steps that an operator firstly pours molten metal into a guide cover 211, the molten metal flows into a rotary atomizing disk 21 through the guide of the guide cover 211, then after centrifugal treatment equipment is started, a controller sends signals to a rotary driver 321 and the rotary atomizing disk 21, the rotary driver 321 drives a bevel gear 326 to rotate after receiving the signals, the bevel gear 326 drives a bevel gear disk 325 in transmission connection with the bevel gear to rotate, the bevel gear disk 325 drives a first rotating shaft 323 to rotate, the first rotating shaft 323 drives a rotating gear 324 to rotate, the rotating gear 324 drives a toothed ring 322 in transmission connection with the rotating gear 324 to rotate, the toothed ring 322 drives a mounting ring 33 to rotate, the mounting ring 33 drives a spray head 331 to rotate, the spray head 331 sprays cooling liquid, and a water film is formed on the inner wall of a cooling bucket 31; meanwhile, the first rotating shaft 323 is in transmission connection with the clutch assembly 23 through the transmission assembly 22, and the rotation of the rotary atomizing disk 21 is controlled through the connection of the clutch assembly 23, so that atomized molten metal liquid is manufactured through centrifugal effect, and the preparation of alloy powder is started.
Referring to fig. 4, 9 and 10: the clutch assembly 23 includes a second rotation shaft 231, a docking plate 232, a third rotation shaft 233, and a clutch plate 234; the second rotating shaft 231 is rotatably installed on the frame 1, and the rotary atomizing disk 21 and the docking disk 232 are sleeved on the second rotating shaft 231; the third rotating shaft 233 is rotatably mounted on the frame 1 and has an axis collinear with the axis of the second rotating shaft 231, and the third rotating shaft 233 is in transmission connection with the first rotating shaft 323 through the transmission assembly 22; the clutch disc 234 is sleeved on the third rotating shaft 233, and when the abutting disc 232 is in abutting contact with the clutch disc 234, the clutch disc 234 drives the abutting disc 232 to rotate; the frame 1 is also provided with a control assembly 24 for controlling the movement of the clutch disc 234.
The clutch assembly 23 further comprises a third elastic member 235 and a top column 236, the top column 236 is slidably mounted on the clutch disc 234, two ends of the third elastic member 235 are respectively connected with the top column 236 and the clutch disc 234, and a butt joint groove 237 matched with the top column 236 is formed in the butt joint disc 232. The clutch plate 234 can rotate the abutting plate 232 in tight fit with the clutch plate by friction force, and in order to ensure the rotation synchronism of the abutting plate 232 and the clutch plate 234, a top post 236 and an abutting groove 237 are arranged, so that the rotation stability of the rotary atomizing plate 21 is improved.
The invention realizes the function of controlling the connection of the transmission component 22 and the rotary driving component 32 through the second rotating shaft 231, the butting disc 232, the third rotating shaft 233 and the clutch disc 234, and achieves the effect of flexibly controlling the rotation of the rotary atomizing disc 21. The method comprises the steps that an operator firstly pours molten metal into a guide cover 211, the molten metal flows into a rotary atomizing disk 21 through the guide of the guide cover 211, then after centrifugal treatment equipment is started, a controller sends signals to a rotary driver 321 and the rotary atomizing disk 21, the rotary driver 321 drives a bevel gear 326 to rotate after receiving the signals, the bevel gear 326 drives a bevel gear disk 325 in transmission connection with the bevel gear to rotate, the bevel gear disk 325 drives a first rotating shaft 323 to rotate, the first rotating shaft 323 drives a rotating gear 324 to rotate, the rotating gear 324 drives a toothed ring 322 in transmission connection with the rotating gear 324 to rotate, the toothed ring 322 drives a mounting ring 33 to rotate, the mounting ring 33 drives a spray head 331 to rotate, the spray head 331 sprays cooling liquid, and a water film is formed on the inner wall of a cooling bucket 31; meanwhile, the first rotating shaft 323 drives the third rotating shaft 233 to rotate through the transmission of the transmission assembly 22, the third rotating shaft 233 drives the clutch disc 234 to rotate, the clutch disc 234 drives the butt joint disc 232 in abutting connection with the clutch disc 232 to rotate through the cooperation of the jacking column 236 and the butt joint groove 237, the butt joint disc 232 drives the second rotating shaft 231 to rotate, the second rotating shaft 231 drives the rotary atomizing disc 21 to rotate, atomized molten metal liquid is manufactured through centrifugal effect, and preparation of alloy powder is started; when sufficient metal powder is deposited on the filter 431, the control unit 24 controls the clutch plate 234 to move downward to be separated from the docking plate 232, and stops the rotation of the rotary atomizing plate 21.
Referring to fig. 9 and 10: the control assembly 24 includes a control frame 241 and a link frame 242; the control frame 241 is slidably mounted at the bottom of the collection chamber 42; the link 242 is coupled to the control frame 241, and the clutch plate 234 is rotatably coupled to the link 242.
The invention realizes the function of controlling the movement of the clutch disc 234 by utilizing the movement of the filter disc 431 through the control frame 241 and the connecting frame 242, achieves the effect of standardizing alloy powder batches, and is convenient for operators to control the material quality. The method comprises the steps that an operator firstly pours molten metal into a guide cover 211, the molten metal flows into a rotary atomizing disk 21 through the guide of the guide cover 211, then after centrifugal treatment equipment is started, a controller sends signals to a rotary driver 321 and the rotary atomizing disk 21, the rotary driver 321 drives a bevel gear 326 to rotate after receiving the signals, the bevel gear 326 drives a bevel gear disk 325 in transmission connection with the bevel gear to rotate, the bevel gear disk 325 drives a first rotating shaft 323 to rotate, the first rotating shaft 323 drives a rotating gear 324 to rotate, the rotating gear 324 drives a toothed ring 322 in transmission connection with the rotating gear 324 to rotate, the toothed ring 322 drives a mounting ring 33 to rotate, the mounting ring 33 drives a spray head 331 to rotate, the spray head 331 sprays cooling liquid, and a water film is formed on the inner wall of a cooling bucket 31; meanwhile, the first rotating shaft 323 drives the third rotating shaft 233 to rotate through the transmission of the transmission assembly 22, the third rotating shaft 233 drives the clutch disc 234 to rotate, the clutch disc 234 drives the butt joint disc 232 in abutting connection with the clutch disc 232 to rotate through the cooperation of the jacking column 236 and the butt joint groove 237, the butt joint disc 232 drives the second rotating shaft 231 to rotate, the second rotating shaft 231 drives the rotary atomizing disc 21 to rotate, atomized molten metal liquid is manufactured through centrifugal effect, and preparation of alloy powder is started; when enough metal powder is accumulated on the filter 431, along with the accumulation of metal particles, the pressure born by the filter 431 is increased, the filter 431 slides downwards against the pressure of the first elastic piece 432 and the second elastic piece 445, after the support 442 passes over the position of the fixed ring 441, the elastic direction of the second elastic piece 445 is changed, the filter 431 is further pressed downwards, the metal particles slide into the collecting cabin 42 from the gap between the filter 431 and the storage bin 41 under the action of water flow and gravity, meanwhile, the filter 431 drives the support 442 to move downwards, the support 442 pushes the control frame 241 to move, the control frame 241 drives the connecting frame 242 to move downwards, the connecting frame 242 drives the clutch disc 234 to move downwards so as to be separated from the butting disc 232, the rotation of the rotary atomizing disc 21 is stopped, and then the batch of the metal particles is normalized, so that the quality control of the alloy powder is more convenient, and mass production faults are avoided.
Referring to fig. 7-10: the transmission assembly 22 includes a sleeve 221 and a timing belt 222; the sleeves 221 are provided with two sleeves 221 which are respectively sleeved on the third rotating shaft 233 and the first rotating shaft 323; the two ends of the synchronous belt 222 are respectively sleeved on the two sleeves 221.
The invention realizes the function of connecting the first rotating shaft 323 and the third rotating shaft 233 in a transmission way through the sleeve 221 and the synchronous belt 222, and achieves the effect of driving the third rotating shaft 233 to rotate by utilizing the rotary driving assembly 32. The method comprises the steps that an operator firstly pours molten metal into a guide cover 211, the molten metal flows into a rotary atomizing disk 21 through the guide of the guide cover 211, then after centrifugal treatment equipment is started, a controller sends signals to a rotary driver 321 and the rotary atomizing disk 21, the rotary driver 321 drives a bevel gear 326 to rotate after receiving the signals, the bevel gear 326 drives a bevel gear disk 325 in transmission connection with the bevel gear to rotate, the bevel gear disk 325 drives a first rotating shaft 323 to rotate, the first rotating shaft 323 drives a rotating gear 324 to rotate, the rotating gear 324 drives a toothed ring 322 in transmission connection with the rotating gear 324 to rotate, the toothed ring 322 drives a mounting ring 33 to rotate, the mounting ring 33 drives a spray head 331 to rotate, the spray head 331 sprays cooling liquid, and a water film is formed on the inner wall of a cooling bucket 31; meanwhile, the first rotating shaft 323 drives the third rotating shaft 233 to rotate through the sleeve 221 and the synchronous belt 222, the third rotating shaft 233 drives the clutch disc 234 to rotate, the clutch disc 234 drives the butt joint disc 232 in abutting connection with the clutch disc 232 to rotate through the cooperation of the jacking column 236 and the butt joint groove 237, the butt joint disc 232 drives the second rotating shaft 231 to rotate, the second rotating shaft 231 drives the rotary atomizing disc 21 to rotate, atomized molten metal liquid is manufactured through centrifugal effect, and preparation of alloy powder is started; when sufficient metal powder is deposited on the filter 431, the control unit 24 controls the clutch plate 234 to move downward to be separated from the docking plate 232, and stops the rotation of the rotary atomizing plate 21.
Referring to fig. 3 and 4: the filter 431 is provided with a protrusion 4311, and the protrusion 4311 is located at the middle position of the filter 431.
The invention achieves the function of facilitating the metal particles to slide into the collection chamber 42 through the boss 4311. When enough metal powder is accumulated on the filter 431, the pressure on the filter 431 is increased along with the accumulation of the metal particles, the filter 431 slides downwards against the pressure of the first elastic piece 432 and the second elastic piece 445, after the support 442 passes over the position of the fixed ring 441, the elastic direction of the second elastic piece 445 is changed, the filter 431 is further pressed downwards, the metal particles slide into the collecting cabin 42 from the gap between the filter 431 and the storage bin 41 under the action of water flow and gravity, and in order to improve the moving speed of the metal particles, the filter 431 is provided with the protruding part 4311, so that the metal particles slide into the collecting cabin 42 along the protruding part 4311 of the filter 431 under the action of gravity.
Referring to fig. 1-10: a centrifugal processing method for processing alloy powder, comprising the following steps: s1, starting the rotary atomizing device 2, and starting the spray head 331 and the rotary driving assembly 32; s2, forming a water film on the cooling hopper 31 by cooling water sprayed out of the spray head 331, and solidifying and forming metal particles by contacting the water film under the action of centrifugal force; s3, the formed metal particles slide along the inner wall of the cooling hopper 31 under the action of gravity and water flow impact force; s4, collecting the powdery alloy metal particles.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. The centrifugal processing equipment for processing alloy powder comprises a frame (1), wherein a rotary atomizing device (2) is arranged on the frame (1);
the centrifugal processing equipment is characterized by further comprising a cooling device (3), wherein the cooling device (3) comprises a cooling hopper (31), a rotary driving assembly (32) and a mounting ring (33);
the cooling hopper (31) is arranged on the frame (1) and is in a funnel shape as a whole;
a rotary drive assembly (32) mounted on the cooling bucket (31) and adapted to control rotation of the mounting ring (33);
at least three spray heads (331) are arranged on the mounting ring (33), and the spray heads (331) are arranged in a central symmetry mode along the axis of the mounting ring (33);
the centrifugal processing equipment also comprises a collecting device (4), wherein the collecting device (4) comprises a storage bin (41), a collecting cabin (42) and a communicating component (43);
the bin (41) is arranged on the cooling hopper (31) and is positioned below the cooling hopper (31), and two ends of the bin (41) are respectively communicated with the cooling hopper (31) and the collecting cabin (42);
the collecting cabin (42) is arranged on the frame (1) and is positioned below the storage bin (41);
the communication assembly (43) comprises a filter plate (431) and a first elastic piece (432), and the filter plate (431) is slidably arranged in the bin (41);
both ends of the first elastic piece (432) are respectively connected with the filter piece (431) and the collecting cabin (42);
the collecting device (4) further comprises a hysteresis component (44);
the hysteresis assembly (44) comprises a fixed ring (441), a support (442), a first hinge seat (443), a second hinge seat (444) and a second elastic member (445);
the fixed ring (441) is arranged in the collecting cabin (42);
the support (442) is connected with the filter (431);
the first hinging seat (443) and the second hinging seat (444) are respectively hinged on the fixed ring (441) and the support (442);
two ends of the second elastic piece (445) are respectively connected with the first hinging seat (443) and the second hinging seat (444);
the rotary drive assembly (32) comprises a rotary driver (321), a toothed ring (322), a first rotary shaft (323) and a rotary gear (324);
the rotary driver (321) is arranged on the frame (1);
the toothed ring (322) is sleeved on the mounting ring (33);
the first rotating shaft (323) is rotatably arranged on the frame (1), and the driving end of the rotating driver (321) is in transmission connection with the first rotating shaft (323);
the rotary gear (324) is sleeved on the first rotary shaft (323) and is in transmission connection with the toothed ring (322).
2. Centrifugal processing apparatus for alloy powder processing according to claim 1, wherein the rotary atomizing device (2) comprises a rotary atomizing disc (21), a transmission assembly (22) and a clutch assembly (23);
the rotary atomizing disk (21) is arranged on the frame (1), and a guide cover (211) is arranged on the rotary atomizing disk (21);
two ends of the transmission component (22) are respectively connected with the rotary driving component (32) and the clutch component (23) in a transmission way;
the clutch assembly (23) is arranged on the frame (1) and is used for connecting the transmission assembly (22) and the rotary atomizing disk (21).
3. Centrifugal processing apparatus for alloy powder processing according to claim 2, wherein the clutch assembly (23) comprises a second rotation shaft (231), a docking plate (232), a third rotation shaft (233) and a clutch plate (234);
the second rotating shaft (231) is rotatably arranged on the frame (1), and the rotary atomizing disc (21) and the butt-joint disc (232) are sleeved on the second rotating shaft (231);
the third rotating shaft (233) is rotatably arranged on the frame (1) and the axis of the third rotating shaft is collinear with the axis of the second rotating shaft (231), and the third rotating shaft (233) is in transmission connection with the first rotating shaft (323) through a transmission assembly (22);
the clutch disc (234) is sleeved on the third rotating shaft (233), and after the butt joint disc (232) is in abutting contact with the clutch disc (234), the clutch disc (234) can drive the butt joint disc (232) to rotate;
the frame (1) is also provided with a control assembly (24) for controlling the movement of the clutch disc (234).
4. A centrifugal processing apparatus for alloy powder processing according to claim 3, wherein the control assembly (24) comprises a control frame (241) and a connecting frame (242);
the control frame (241) is slidably arranged at the bottom of the collecting cabin (42);
the connecting frame (242) is connected with the control frame (241), and the clutch disc (234) is rotatably connected with the connecting frame (242).
5. Centrifugal processing apparatus for alloy powder processing according to claim 4, wherein the transmission assembly (22) comprises a sleeve (221) and a timing belt (222);
the two sleeves (221) are arranged, and the two sleeves (221) are respectively sleeved on the third rotating shaft (233) and the first rotating shaft (323);
two ends of the synchronous belt (222) are respectively sleeved on the two sleeves (221).
6. Centrifugal processing apparatus for processing alloy powder according to claim 1, wherein the filter sheet (431) is provided with a protrusion (4311), the protrusion (4311) being located in the middle of the filter sheet (431).
7. A centrifugal processing method of alloy powder processing using a centrifugal processing apparatus of alloy powder processing according to any one of claims 1 to 6, comprising the steps of:
s1, starting a rotary atomizing device (2), and starting a spray head (331) and a rotary driving assembly (32);
s2, forming a water film on the cooling hopper (31) by cooling water sprayed out of the spray head (331), and enabling the metal particles to be in contact with the water film under the action of centrifugal force so as to be solidified and molded;
s3, the formed metal particles slide along the inner wall of the cooling hopper (31) under the action of gravity and water flow impact force;
s4, collecting the powdery alloy metal particles.
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| CN202310434133.9A CN116275073B (en) | 2023-04-21 | 2023-04-21 | Centrifugal treatment equipment and method for alloy powder processing |
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| CN116275073B true CN116275073B (en) | 2023-08-15 |
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| CN117380964A (en) * | 2023-10-17 | 2024-01-12 | 滕州市华成金属制品有限公司 | Processing device and processing method for low-carbon steel pellets |
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| CN114734045A (en) * | 2022-06-13 | 2022-07-12 | 成都大学 | Device for preparing alloy powder by utilizing electric arc |
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| SU395172A1 (en) * | 1972-05-26 | 1973-08-28 | DEVICE FOR PRODUCING METAL POWDER | |
| JPH04337016A (en) * | 1991-05-13 | 1992-11-25 | Kubota Corp | Apparatus for producing metallic powder |
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