CN114888297A - Powder manufacturing equipment capable of continuously atomizing by adopting bar - Google Patents
Powder manufacturing equipment capable of continuously atomizing by adopting bar Download PDFInfo
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- CN114888297A CN114888297A CN202210385271.8A CN202210385271A CN114888297A CN 114888297 A CN114888297 A CN 114888297A CN 202210385271 A CN202210385271 A CN 202210385271A CN 114888297 A CN114888297 A CN 114888297A
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- atomizing
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- rotary drum
- bar
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- 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
- B22F9/14—Making metallic powder or suspensions thereof using physical processes using electric discharge
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- 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
- B22F9/082—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 atomising using a fluid
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- 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
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- 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
- B22F9/082—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 atomising using a fluid
- B22F2009/0824—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 atomising using a fluid with a specific atomising fluid
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- 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
- B22F9/082—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 atomising using a fluid
- B22F2009/0848—Melting process before atomisation
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- 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
- B22F9/082—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 atomising using a fluid
- B22F2009/0888—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 atomising using a fluid casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
Abstract
The invention discloses powder manufacturing equipment capable of continuously atomizing bars, which comprises an atomizing chamber, wherein a feed inlet is formed in the atomizing chamber, an atomizing device is arranged in the atomizing chamber, a bar replacing chamber is fixed on the atomizing chamber, the atomizing chamber is communicated with the bar replacing chamber through the feed inlet, a feed inlet is formed in the bar replacing chamber, a rotary drum is rotatably matched with the inner side wall of the bar replacing chamber, the rotary drum and the bar replacing chamber are movably sealed to separate the feed inlet from the feed inlet, the rotary drum is connected with a driving device for driving the rotary drum to rotate, a feeding mechanism is installed on the rotary drum, a containing cavity for containing metal bars connected to the feeding mechanism is formed in the rotary drum, and the feed inlet can be selectively communicated with or separated from the containing cavity when the rotary drum rotates. This equipment can completely cut off atomizing storehouse and outside at material loading and feeding in-process, and need not destroy the working gas environment in the atomizing storehouse and change the bar to can save manufacturing cost, improve powder production efficiency, realize the continuous atomizing of bar.
Description
Technical Field
The invention relates to the technical field of metal powder atomization, in particular to a powder manufacturing device capable of continuously atomizing by adopting a bar material.
Background
The atomization method is one of the common methods for preparing spherical metal powder, and generally includes gas atomization, plasma rotating electrode atomization, electrode induction gas atomization, and the like.
The principle of plasma rotary atomization is that metal or alloy is made into consumable electrode bar stock, the end face of the electrode rotating at high speed is melted by plasma arc, the centrifugal force generated by the high-speed rotation of the electrode throws out the melted metal liquid to form small liquid drops, and the liquid drops are cooled at high speed in inert gas and are solidified into spherical powder particles. The electrode induction gas atomization method is also called crucible-free gas atomization method, and the principle of the method is that mother alloy is used as an electrode bar and is slowly fed into the middle of an induction coil, the induction coil generates a strong magnetic field after being electrified, so that eddy current is generated on the surface of the electrode bar, the eddy current generates heat to be heated and melted to form continuous metal liquid drops, and the metal liquid drops are dripped into an atomizer and atomized and crushed into metal powder under the action of high-pressure gas.
Electrode response gas atomization, the raw materials that plasma rotating electrode atomizing adopted are metal rod, and in current equipment, when using the metal rod powder process, need open the hatch door of atomizer chamber and change the bar constantly, change the bar and lead to the air to enter into the atomizer chamber, need to carry on production to evacuation again and supplementary working gas to the atomizer chamber, this has seriously reduced production efficiency and has improved manufacturing cost.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a powder making device which adopts bar materials and can continuously atomize.
The invention provides powder manufacturing equipment capable of continuously atomizing bars, which comprises an atomizing bin, wherein a feeding hole is formed in the atomizing bin, and an atomizing device is arranged in the atomizing bin and is used for atomizing the metal bars entering the atomizing bin from the feeding hole;
a rod replacing chamber is fixed on the atomization bin, the atomization bin is communicated with the rod replacing chamber through a feeding hole, a feeding hole is formed in the rod replacing chamber, the rod replacing chamber is a barrel, a rotary drum is rotatably matched with the inner side wall of the rod replacing chamber, the rotary drum and the rod replacing chamber are movably sealed to separate the feeding hole from the feeding hole, and the rotary drum is connected with a driving device for driving the rotary drum to rotate;
install feeding mechanism on the rotary drum, feeding mechanism joinable metal bar and be used for carrying metal bar, be equipped with on the rotary drum and be used for holding the chamber that holds of connecting the metal bar on feeding mechanism, but selective messenger material loading mouth and feed inlet communicate with holding the chamber respectively or cut off when the rotary drum rotates.
Preferably, the feeding mechanism comprises a feeding part, a rotating part and a connecting part, wherein the connecting part is used for connecting the metal bar stock, the feeding part is used for driving the metal bar stock to feed along the axial direction of the metal bar stock, and the rotating part is used for driving the metal bar stock to rotate around the axis of the metal bar stock.
Preferably, the feeding part comprises a guide rail, a sliding table, a screw rod and a first motor, the guide rail is fixedly arranged on the rotary drum, the sliding table is slidably arranged on the guide rail, the screw rod is rotatably arranged on the guide rail, the screw rod is in threaded fit with the sliding table, the first motor is fixed at one end of the guide rail, and an output shaft of the first motor is connected with one end of the screw rod.
Preferably, the rotating part comprises a second motor and a rotating shaft, the second motor is fixed on the sliding table, and an output shaft of the second motor is connected with one end of the rotating shaft.
Preferably, the connecting part is a bar clamp fixedly connected to one end of the rotating shaft away from the second motor, one end of the rotating shaft connected with the bar clamp penetrates into the accommodating cavity from the outside of the rotating drum, and the rotating shaft is movably sealed with the rotating drum.
Preferably, the atomizing device is a plasma gun.
Preferably, the atomizing device comprises an induction coil and an atomizer, and the induction coil and the atomizer are sequentially installed below the feed inlet from top to bottom.
Preferably, the device further comprises a working gas conveying device, and the working gas conveying device is communicated with the atomization bin through a conveying gas pipe.
Preferably, the device further comprises a vacuumizing device, and the vacuumizing device is communicated with the atomization bin through a first exhaust pipe and is used for vacuumizing the atomization bin;
the vacuumizing device is communicated with the side wall of the bar replacing chamber through a second exhaust pipe and is used for vacuumizing the accommodating cavity communicated with the second exhaust pipe from the feeding port in a rotating mode.
Preferably, the bottom of the atomization bin is provided with a powder collecting opening, and the powder collecting opening is connected with a powder collecting device.
According to the powder preparation device capable of continuously atomizing the bars, the bar replacing chamber and the rotary drum are arranged outside the feeding hole of the atomization bin, the feeding hole is isolated from the outside by the movable seal between the rotary drum and the bar replacing chamber, the feeding hole is formed in the bar replacing chamber, the rotary drum is provided with the feeding mechanism and the containing cavity capable of containing the metal bars, and the rotary drum can drive the feeding mechanism to rotate between the feeding hole and the feeding hole when rotating, so that the containing cavity can be independently in butt joint communication with the feeding hole or the feeding hole. Therefore, the feeding mechanism can feed materials at the feeding port through the containing cavity and then rotate to the feeding port to send the metal bar materials to the atomizing bin for atomizing powder preparation, so that the feeding step and the feeding step are separately carried out in an isolated environment.
Therefore, the equipment can isolate the atomization bin from the outside in the feeding and feeding processes, and does not need to destroy the working gas environment in the atomization bin to replace the bar, so that the consumption of the working gas can be reduced, the production cost is saved, and meanwhile, the feeding step and the feeding processing process of the equipment can be synchronously carried out at different positions, and the production efficiency can be improved.
Drawings
FIG. 1 is a perspective view of a powder manufacturing apparatus capable of continuous atomization using a bar material according to an embodiment;
FIG. 2 is a partial cross-sectional view of the continuous atomization powder-making apparatus of FIG. 1 using bar stock for feeding and charging;
FIG. 3 is a perspective view of the feeding mechanism in the embodiment;
FIG. 4 is a sectional top view of a bar stock changing chamber and a drum in feeding and feeding by a powder manufacturing apparatus capable of continuously atomizing bar stocks in an example;
FIG. 5 is a sectional top view of a bar stock changing chamber and a rotating drum in an embodiment of a milling apparatus capable of continuous atomization using a bar stock while evacuating a receiving chamber;
FIG. 6 is a sectional view of a continuously atomizing powder-making apparatus using a plasma rotary atomizing technique in an example;
FIG. 7 is a sectional view of a continuously atomizing powder-making apparatus using the electrode induction atomization technique in the example.
Detailed Description
Referring to fig. 1-5, a powder manufacturing apparatus using rod materials for continuous atomization according to an embodiment of the present invention includes an atomization bin 1, a feeding port 11 is disposed on the atomization bin 1, and an atomization device is disposed inside the atomization bin 1 and is configured to atomize a metal rod material fed into the atomization bin 1 from the feeding port 11.
Be fixed with bar on the atomizing storehouse 1 and change room 2, atomizing storehouse 1 is changed room 2 with the bar and is linked together through feed inlet 11, is equipped with material loading mouth 21 on the bar changes room 2. The rod replacing chamber 2 is a cylinder, the inner side wall of the rod replacing chamber 2 is rotatably matched with a rotary drum 3, the rotary drum 3 and the rod replacing chamber 2 are movably sealed to separate a feeding port 21 from a feeding port 11, and the rotary drum 3 is connected with a driving device 4 for driving the rotary drum to rotate.
The drum 3 is provided with a feeding mechanism 5, and the feeding mechanism 5 can be connected with a metal bar and used for conveying the metal bar. The rotary drum 3 is provided with a containing cavity 31 for containing the metal bar connected to the feeding mechanism 5, and the rotary drum 3 can selectively enable the feeding port 21 and the feeding port 11 to be respectively communicated with or separated from the containing cavity 31 when rotating.
The working process of the powder making equipment adopting the bar stock for continuous atomization comprises the following steps:
during feeding, the driving device 4 can drive the rotary drum 3 to rotate so that the accommodating cavity 31 is communicated with the feeding port 21 to connect the metal bar stock from the feeding port 21 to the feeding mechanism 5; during feeding, the driving device 4 can drive the rotary drum 3 to rotate so as to enable the accommodating cavity 31 to be communicated with the feeding hole 11, so that the feeding mechanism 5 can drive the metal bar to pass through the feeding hole 11 to enter the atomization bin 1 for atomization processing.
According to the powder process equipment adopting the bar materials to be atomized continuously, in the two steps of feeding and feeding, the position of the accommodating cavity 31 is changed by rotating the rotary drum 3, so that the accommodating cavity 31 is respectively communicated with the feeding port 21 and the feeding port 11 independently, and the rotary drum 3 separates the feeding port 21 from the feeding port 11 all the time, therefore, the atomization bin 1 is isolated from the external environment all the time. And the size that holds chamber 31 only need hold a metal bar can, hold chamber 31 and can not bring a large amount of air into atomizing storehouse 1, consequently, this equipment is avoiding destroying under the prerequisite of the working gas environment in atomizing storehouse 1, and the continuous change bar atomizes, improves production efficiency, reduces gaseous consumption cost.
Next, the parts of the powder manufacturing apparatus using a bar stock for continuous atomization in the present exemplary embodiment will be described in more detail with reference to fig. 1 to 5.
In this embodiment, the number of the feeding mechanisms 5 of the device is two, the number of the accommodating cavities 31 is also two, the accommodating cavities 31 correspond to the positions of the feeding mechanisms 5, and the two feeding mechanisms 5 can respectively perform feeding at the feeding port 21 and feeding at the feeding port 11 in production, so that the two steps of feeding and feeding can be performed synchronously, and thus, the atomization bin 1 can be prevented from being stopped for feeding, and the production efficiency can be improved. It will be understood by those skilled in the art that one or more feed mechanisms 5 may be mounted on the drum 3 of the apparatus, and accordingly, the number of the receiving chambers 31 should be the same as the number of the feed mechanisms 5, and the receiving chambers 31 should be located opposite to the feed mechanisms 5. Considering the requirements of the production steps and the cost of the equipment, it is preferable to install two feeding mechanisms 5 on the drum 3.
Specifically, the feeding mechanism 5 comprises a connecting part 53 for connecting the metal bar stock, a feeding part 51 for driving the metal bar stock to feed along the axial direction thereof, and a rotating part 52 for driving the metal bar stock to rotate around the axis thereof. The feeding component 51 comprises a guide rail 511, a sliding table 512, a screw rod 513 and a first motor 514, the guide rail 511 is fixedly arranged on the rotary drum 3, the sliding table 512 is slidably arranged on the guide rail 511, the screw rod 513 is rotatably arranged on the guide rail 511, the screw rod 513 is in threaded fit with the sliding table 512, the first motor 514 is fixed at one end of the guide rail 511, and an output shaft of the first motor 514 is connected with one end of the screw rod 513. The rotating member 52 includes a second motor 521 and a rotating shaft 522, the second motor 521 is fixed to the slide table 512, and an output shaft of the second motor 521 is connected to one end of the rotating shaft 522. The connecting member 53 is a bar clamp fixedly connected to an end of the rotating shaft 522 away from the second motor 521, the end of the rotating shaft 522 connected to the bar clamp penetrates into the accommodating cavity 31 from the outside of the drum 3, and the rotating shaft 522 is movably sealed with the drum 3.
When the feeding mechanism 5 of the device works, a metal bar is fixed on a bar clamp, the first motor 514 drives the sliding table 512 to slide on the guide rail 511 through the screw 513, so that the metal bar can be driven to feed, and the second motor 521 can drive the metal bar to rotate at a high speed through the rotating shaft 522. By the feeding mode, the metal bar stock can be melted more uniformly by the atomizing device and atomized more thoroughly.
In this embodiment, the driving device 4 connected to the rotating drum 3 includes a third motor 41, the third motor 41 is fixedly mounted on the rotating drum 3, an output shaft of the third motor 41 is fixedly connected to a fixed shaft 42, the fixed shaft 42 passes through a cavity disposed at a central position of the rotating drum 3 and is fixedly connected to the atomizing chamber 1, and the rotating drum 3 is driven to rotate around the fixed shaft 42 by the rotation of the third motor 41. Of course, the driving device 4 may have other structures known to those skilled in the art having the same function.
From the above, in the invention, the powder-making equipment enables the metal bar to be continuously replaced and processed through the bar replacing chamber 2, the rotary drum 3 and the feeding mechanism 5, and the atomizing chamber 1 is isolated from the outside during replacement, so that the main purpose is not to damage the working environment for making powder through an atomizing method during replacement of the metal bar. Thus, the apparatus may be adapted to use, for example: plasma rotary atomization, electrode induction gas atomization and other atomization method powder manufacturing equipment which are known by the technical personnel in the field and need to be produced in a closed space.
Referring to fig. 6, a powder manufacturing apparatus using plasma rotary atomization is shown, an atomization device of the apparatus is specifically a plasma gun 12a installed on one side of a feed inlet 11, a second motor 521 uses a high-speed motor, when the apparatus works, the second motor 521 drives a metal bar to rotate at a high speed, the surface or end surface of the metal bar can be melted by plasma arcs generated by the plasma gun 12a, the melted metal liquid is thrown out to form metal droplets under the drive of the bar motor 521, and the metal droplets are solidified in an atomization bin 1 to form alloy powder under the action of surface tension.
In the example shown in fig. 7, the powder manufacturing apparatus adopts an electrode induction gas atomization method, specifically, the atomization device of the apparatus includes an induction coil 12b and an atomizer 12c, the induction coil 12b and the atomizer 12c are sequentially installed below the feed inlet 11 from top to bottom, the induction coil 12b is used for heating and melting a metal bar into metal droplets, the molten metal flow drops into the atomizer 12c, the atomizer 12c is connected with high-pressure gas, and the dropped metal flow is broken into fine particles under the action of the high-pressure gas to form alloy powder.
The atomizer can also be a centrifugal flywheel disc, and the centrifugal flywheel disc is driven by a high-speed motor, so that molten metal droplets can be thrown into fine particles under the action of centrifugal force of the centrifugal flywheel disc to form alloy powder.
In this embodiment, the apparatus further comprises a working gas delivery device (not shown in the figure) which is in communication with the atomization chamber 1 via a delivery pipe 6 and can deliver a working gas, such as argon, into the atomization chamber.
This equipment still is provided with evacuating device (not shown in the figure), and evacuating device is used for the evacuation in 1 storehouse of atomizing through first exhaust tube 7 and the storehouse 1 intercommunication that atomizes, can discharge the air in the storehouse 1 of atomizing, prevents that the air from reacting with the powder after the atomizing, guarantees that the powder quality that makes is better.
In a further embodiment, with reference to fig. 1, the evacuation device is also in communication with the side wall of the bar replacement chamber 2 through a second evacuation pipe 8, on which second evacuation pipe 8 a control valve can be mounted. As shown in fig. 5, when the accommodating chamber 31 rotates to a position communicated with the second exhaust pipe 8 during the rotation of the drum 3 from the feeding port 21 to the feeding port 11, the accommodating chamber 31 can be vacuumized, so that the accommodating chamber 31 can hardly bring air into the atomization chamber 1, thereby further ensuring the production quality.
The bottom of the atomization bin 1 of the device is provided with a powder collecting opening 13, and the powder collecting opening 13 can be connected with a powder collecting device (not shown in the figure) to collect the prepared powder through the powder collecting device.
According to the powder process equipment which adopts the bar stock and can atomize continuously of this embodiment, its specific theory of operation is as follows:
when feeding, the driving device 4 drives the rotary drum 3 to rotate, so that one accommodating cavity 31 is in butt joint communication with the feeding port 21 of the bar replacing chamber 2, and metal bars can be installed on a bar clamp of the feeding mechanism 5 from the feeding port 21;
when feeding and processing are carried out, the driving device 4 drives the rotary drum 3 to rotate, so that the feeding mechanism 5 connected with the bar clamp rotates from the feeding port 21 to the feeding port 11, when the feeding mechanism rotates to the feeding port 11, the accommodating cavity 31 is in butt joint communication with the feeding port 11, and at the moment, the feeding mechanism 5 is started to drive metal bars to pass through the feeding port 11 and feed into the atomization bin 1 while rotating at a high speed;
after feeding, the atomizing device in the atomizing bin 1 can melt and atomize the metal bar into powder, and the powder is finally discharged through the powder collecting port 13 at the bottom of the atomizing bin 1 and collected.
In conclusion, this powder process equipment that adopts bar can atomize in succession can avoid destroying the working gas environment in the atomizing storehouse 1 at material loading and feeding in-process, changes the bar in succession and atomizes, improves production efficiency, reduces the gas consumption. In addition, the equipment rotates between the feeding opening 21 and the feeding opening 11 through the rotary drum 3, so that feeding and feeding can be synchronously carried out, and the working efficiency can be improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A powder manufacturing device capable of continuously atomizing bars is characterized by comprising an atomizing bin (1), wherein a feeding hole (11) is formed in the atomizing bin (1), and an atomizing device is arranged in the atomizing bin (1) and used for atomizing the metal bars entering the atomizing bin (1) from the feeding hole (11);
a rod replacing chamber (2) is fixed on the atomization bin (1), the atomization bin (1) is communicated with the rod replacing chamber (2) through a feed inlet (11), a feeding port (21) is arranged on the rod replacing chamber (2), the rod replacing chamber (2) is a barrel body, a rotary drum (3) is rotatably matched on the inner side wall of the rod replacing chamber (2), the rotary drum (3) and the rod replacing chamber (2) are movably sealed to separate the feeding port (21) from the feed inlet (11), and the rotary drum (3) is connected with a driving device (4) for driving the rotary drum to rotate;
install feeding mechanism (5) on rotary drum (3), feeding mechanism (5) joinable metal bar and be used for carrying metal bar, be equipped with on rotary drum (3) and be used for holding chamber (31) that hold of the metal bar of connection on feeding mechanism (5), but rotary drum (3) rotate time alternative make material loading mouth (21) and feed inlet (11) communicate or cut off with holding chamber (31) respectively.
2. A powder process plant for the continuous atomisation of metal bars as claimed in claim 1, characterised in that the feeding means (5) comprise a feeding member (51), a rotating member (52) and a connecting member (53), the connecting member (53) being adapted to connect to the metal bar, the feeding member (51) being adapted to bring the metal bar to be fed axially along it, the rotating member (52) being adapted to bring the metal bar to rotate about its axis.
3. A powder manufacturing apparatus as claimed in claim 2, wherein the feeding means (51) comprises a guide rail (511), a slide table (512), a screw rod (513) and a first motor (514), the guide rail (511) is fixedly mounted on the drum (3), the slide table (512) is slidably mounted on the guide rail (511), the screw rod (513) is rotatably mounted on the guide rail (511), the screw rod (513) is in threaded engagement with the slide table (512), the first motor (514) is fixed at one end of the guide rail (511), and an output shaft of the first motor (514) is connected with one end of the screw rod (513).
4. A powder process apparatus as claimed in claim 3, wherein the rotary member (52) comprises a second motor (521) and a rotary shaft (522), the second motor (521) is fixed on the slide table (512), and the output shaft of the second motor (521) is connected to one end of the rotary shaft (522).
5. A powder process plant for the continuous atomisation of billets as claimed in claim 4, characterised in that the coupling means (53) are a rod gripper fixedly connected to the end of the rotating shaft (522) remote from the second motor (521), the end of the rotating shaft (522) to which the rod gripper is connected passing from the outside of the drum (3) into the housing chamber (31), the rotating shaft (522) being sealed in a movable manner against the drum (3).
6. A powder mill capable of continuous atomization using bar stock according to any one of claims 1 to 5, characterized in that the atomization means is a plasma gun (12 a).
7. A powder-making device as claimed in any one of claims 1 to 5, in which the atomising means comprises an induction coil (12b) and an atomiser (12c), the induction coil (12b) and the atomiser (12c) being arranged in series from top to bottom below the inlet orifice (11).
8. A powder manufacturing apparatus as claimed in any one of claims 1 to 5, further comprising a working gas supply device connected to the atomizing chamber (1) via a gas supply pipe (6).
9. A powder manufacturing apparatus as claimed in any one of claims 1 to 5, further comprising a vacuum pumping device connected to the atomizing chamber (1) via a first air pumping pipe (7) for evacuating the atomizing chamber (1);
the vacuumizing device is communicated with the side wall of the bar replacing chamber (2) through a second air exhaust pipe (8) and is used for vacuumizing the accommodating cavity (31) which is communicated with the second air exhaust pipe (8) and rotates from the feeding port (21).
10. A powder manufacturing apparatus as claimed in any one of claims 1 to 5, wherein the bottom of the atomization chamber (1) is provided with a powder collection port (13), and the powder collection port (13) is connected with a powder collection device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210385271.8A CN114888297B (en) | 2022-04-13 | 2022-04-13 | Powder preparation equipment capable of continuously atomizing by adopting bar stock |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210385271.8A CN114888297B (en) | 2022-04-13 | 2022-04-13 | Powder preparation equipment capable of continuously atomizing by adopting bar stock |
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| CN114888297A true CN114888297A (en) | 2022-08-12 |
| CN114888297B CN114888297B (en) | 2023-06-30 |
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