CN218134967U

CN218134967U - Equipment capable of continuously preparing metal spherical powder

Info

Publication number: CN218134967U
Application number: CN202222664918.9U
Authority: CN
Inventors: 王守海; 张黎黎; 王一鸣
Original assignee: Zhongke Lightweight Shandong Additive Manufacturing Co ltd
Current assignee: Zhongke Lightweight Shandong Additive Manufacturing Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2022-12-27
Anticipated expiration: 2032-10-10

Abstract

The utility model relates to a spherical powder of metal preparation technical field specifically is a can prepare equipment of spherical powder of metal in succession, including the atomizing bottle, the internally mounted of atomizing bottle has two plasma guns, and the inside bottom side fixedly connected with cooling plate of atomizing bottle, the top fixedly connected with fixing base of atomizing bottle, the inside first wire conveying groove that is provided with of fixing base, the bottom of first wire conveying groove and the inside of atomizing bottle communicate, and left end bottom side and the right-hand member bottom side of first wire conveying groove all are provided with the circular slot, and the inside of two circular slots all rotates and is connected with the wire conveying wheel, and the side of first wire conveying groove is connected with two second wire conveying grooves; the metal wire can be replaced in the process of preparing the metal spherical powder, the inert gas in the atomizing bottle is prevented from being pumped out for replacement, the interior of the atomizing bottle is prevented from being vacuumized again, a large amount of time is saved, the continuity of preparing the metal spherical powder is guaranteed, and the efficiency of preparing the metal spherical powder is improved.

Description

Equipment capable of continuously preparing metal spherical powder

Technical Field

The utility model relates to a spherical powder of metal preparation technical field specifically is a but continuous preparation spherical powder's equipment.

Background

The metal powder belongs to loose substances, and the properties of the metal powder comprehensively reflect the properties of the metal, the properties of single particles and the properties of particle groups. The properties of metal powders are generally classified into chemical, physical and process properties. Chemical properties refer to metal content and impurity content. Physical properties include the average particle size and particle size distribution of the powder, the shape, surface topography and internal microstructure of the particles. The processing properties are a combination of properties including powder flowability, apparent density, tap density, compressibility, formability, and sintered dimensional change. In addition, for some special applications, the powder is required to have other chemical and physical properties, such as catalytic performance, electrochemical activity, corrosion resistance, electromagnetic performance, internal friction coefficient and the like, and because some rare metals show extreme activity in the high-temperature smelting process, most of the rare metal raw materials are melted in vacuum or inert atmosphere, and an induction smelting mode of a water-cooled copper crucible is adopted, or direct induction melting of metal bars is adopted, so that the preparation of the metal spherical powder needs to be carried out in a special metal spherical powder preparation device.

Through the retrieval, chinese patent is CN 201921839727.3's utility model patent discloses a device for preparing rare metal spherical powder, including the atomizing bottle, the first base of one side fixedly connected with of atomizing bottle, the top fixedly connected with gas filtering box of first base, its in use produces supersonic speed plasma through the plasma gun, melts and atomizes rare metal silk and produces spherical metal powder, need stop the work of preparing metal spherical powder at the in-process of changing the wire, change the completion after to carry out evacuation processing in the atomizing bottle, need certain time to the evacuation in the atomizing bottle, reduced the continuity of preparing metal spherical powder, reduced the efficiency of preparing metal spherical powder.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a but continuous preparation metal spherical powder's equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an equipment that can prepare metal spherical powder in succession, including the atomizing bottle, the internally mounted of atomizing bottle has two plasma guns, the inside bottom side fixedly connected with cooling plate of atomizing bottle, the top fixedly connected with fixing base of atomizing bottle, the inside first wire conveying groove that is provided with of fixing base, the bottom of first wire conveying groove communicates with the inside of atomizing bottle, the left end bottom side and the right-hand member bottom side of first wire conveying groove all are provided with the circular slot, the inside of two circular slots all rotates and is connected with the wire-conveying wheel, the side of first wire conveying groove is connected with two second wire conveying grooves, the side of two second wire conveying grooves all is provided with the seal groove, the inside sealed slip of seal groove is provided with the closing plate, the side of closing plate is provided with the screw hole, the inside threaded connection of screw hole has the screw rod, the side fixedly connected with bull stick of screw rod, the bull stick is connected with the fixing base sealed rotation, the top fixedly connected with two boxes of fixing base, all install first vacuum tube on two boxes, install first valve on the first vacuum tube, the top of two boxes all hinged joint has sealed lid, sealed lid is connected with the box through the hasp lock with the box, the bottom fixed contact of sealed lid, the inside of sealed lid all is provided with the wire-conveying wheel with the wire mouth of two boxes, the box inside wire-conveying groove all is provided with the box of two box.

In order to collect the metal spherical powder conveniently, the bottom of the atomizing bottle is connected with two collecting hoppers, the bottom of each collecting hopper is connected with a first connecting pipe, a second valve is installed on each first connecting pipe, a powder collecting bottle is installed at the bottom of each first connecting pipe in a sealing mode, a second vacuum pipe is installed on each powder collecting bottle, and a third valve is installed on each second vacuum pipe.

In order to facilitate the internal vacuum pumping of the atomization bottle, the left end of the atomization bottle is fixedly connected with a first fixing plate, the top end of the first fixing plate is fixedly connected with a vacuum pump, the vacuum pump is communicated with the inside of the atomization bottle through a third vacuum tube, and a fourth valve is installed on the third vacuum tube.

In order to be convenient for input inert gas to the inside of atomizing bottle, the right-hand member fixedly connected with second fixed plate of atomizing bottle, the top fixedly connected with gas holder of second fixed plate installs the aspiration pump on the gas holder, the input of aspiration pump and the inside intercommunication of gas holder, the output of aspiration pump passes through the inside intercommunication of breather pipe and atomizing bottle, installs the fifth valve on the breather pipe.

In order to rotate the rotating rod conveniently, a rotating handle is fixedly connected to the side end of the rotating rod.

Guarantee the leakproofness of collection powder bottle, install the sixth valve on the collection powder bottle.

Compared with the prior art, the utility model provides a but continuous preparation metal spherical powder's equipment possesses following beneficial effect:

this can prepare equipment of spherical powder of metal in succession, in the in-process of preparing spherical powder of metal, a send a machine to the inside transport wire of atomizing bottle, rotate the bull stick that corresponds with another send a machine simultaneously, the bull stick rotates and drives the screw rod and rotates, the screw rod rotates and makes the closing plate slide in the inside of seal groove, make the closing plate slide to the inside of second transmission line groove, seal second transmission line groove, then open the sealed lid of the box that corresponds with another send a machine, then install the wire on sending a machine, and make the one end of wire insert to the inside of wire mouth and second transmission line groove, then close sealed lid, then make first vacuum tube and outside evacuation equipment communicate, then open first valve, carry out the evacuation to the inside of box, thereby can change the wire at the in-process to the preparation of spherical powder of metal, inert gas in having avoided taking out the atomizing bottle and having changed, avoided taking out the evacuation again to the inside of atomizing bottle, a large amount of time has been practiced thrift, guarantee the continuity to the preparation of spherical powder of metal, improve the efficiency of spherical powder of metal.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a portion A of the present invention shown in FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of a partial enlarged structure at C in fig. 1 according to the present invention;

fig. 5 is a schematic view of a partial enlarged structure at D in fig. 1 according to the present invention.

The symbols in the figures illustrate:

1. an atomizing bottle; 2. a plasma gun; 3. a cooling plate; 4. a fixed seat; 5. a wire conveying wheel; 6. a sealing plate; 7. a screw; 8. a rotating rod; 9. a box body; 10. a first vacuum tube; 11. a first valve; 12. a sealing cover; 13. buckling and locking; 14. a gasket; 15. a wire feeder; 16. a wire guide wheel; 17. a collecting hopper; 18. a first connecting pipe; 19. a second valve; 20. a powder collecting bottle; 21. a second vacuum tube; 22. a third valve; 23. a first fixing plate; 24. a vacuum pump; 25. a third vacuum tube; 26. a fourth valve; 27. a second fixing plate; 28. a gas storage tank; 29. an air pump; 30. a breather pipe; 31. a fifth valve; 32. turning a handle; 33. and a sixth valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-5, an apparatus for continuously preparing metal spherical powder includes an atomizing bottle 1, two plasma guns 2 installed inside the atomizing bottle 1, supersonic plasma beams generated by the plasma guns 2 to melt and atomize rare metal wires to generate metal spherical powder, a cooling plate 3 fixedly connected to the bottom side inside the atomizing bottle 1, and the metal spherical powder cooled by the cooling plate 3 conveniently falls into two collecting hoppers 17.

The top fixedly connected with fixing base 4 of atomizing bottle 1, the inside first line conveying groove that is provided with of fixing base 4, the bottom of first line conveying groove and the inside intercommunication of atomizing bottle 1, the left end bottom side and the right-hand member bottom side of first line conveying groove all are provided with the circular slot, the inside of two circular slots all rotates and is connected with wire conveying wheel 5, install drive wire conveying wheel 5 pivoted driving motor (not drawing in the picture) on fixing base 4, driving motor drives the wire conveying wheel and rotates the inside wire that can will be located first line conveying groove and second wire conveying groove and carry to atomizing bottle 1's inside.

As shown in fig. 2 and 3, the side end of the first wire conveying groove is connected with two second wire conveying grooves, the side ends of the two second wire conveying grooves are respectively provided with a sealing groove, the sealing plate 6 is arranged in the sealing groove in a sliding mode in the sealing groove, the side end of the sealing plate 6 is provided with a threaded hole, the threaded hole is internally and threadedly connected with a screw rod 7, the side end of the screw rod 7 is fixedly connected with a rotating rod 8, the rotating rod 8 is rotatably connected with the fixing seat 4 in a sealing mode, and the side end of the rotating rod 8 is fixedly connected with a rotating handle 32 so as to rotate the rotating rod 8.

As shown in fig. 2, the top end of the fixed seat 4 is fixedly connected with two box bodies 9, which are a first box body and a second box body respectively; first vacuum tubes 10 are installed on the two box bodies 9, and first valves 11 are installed on the first vacuum tubes 10. The top of two boxes 9 is all hinged joint has sealed lid 12, and sealed lid 12 is connected with box 9 through hasp lock 13, and the sealed pad 14 of bottom fixedly connected with of sealed lid 12 seals up the bottom of 14 and the top contact of box 9, seals up box 9 through sealed lid 12.

As shown in fig. 3, the wire feeding machine 15 is fixedly connected inside the two boxes 9, the wire passing ports communicated with the second wire conveying groove are formed in the two boxes 9, the bottom ends of the two boxes 9 are connected with the wire guiding wheel 16, and the wires are conveyed to the inside of the second wire conveying groove conveniently through the wire guiding wheel 16.

In the process of preparing the metal spherical powder, a wire feeder in a box body conveys metal wires to the inside of an atomizing bottle 1, a rotating rod 8 corresponding to a wire feeder in a box body II is rotated simultaneously, the rotating rod 8 rotates to drive a screw rod 7 to rotate, the screw rod 7 rotates to enable a sealing plate 6 to slide in a sealing groove, the sealing plate 6 slides to the inside of a second wire conveying groove, the second wire conveying groove is sealed, a sealing cover 12 of the box body II is opened, the metal wires are installed on a wire feeder 15, one end of each metal wire is inserted into a wire inlet and the inside of the second wire conveying groove, the sealing cover 12 is closed, a first vacuum tube 10 corresponding to the box body II is communicated with external vacuum pumping equipment, a first valve 11 is opened, and the inside of the box body II is vacuumized.

Two cooperation settings of sending a machine can be sent a machine to participate in the metal spherical powder preparation during operation to another metal wire of sending a machine and change, have avoided taking inert gas in the atomizing bottle 1 out the operation of carrying out the metal wire change again, have avoided carrying out the operation of evacuation again to atomizing bottle 1 inside, have practiced thrift a large amount of time, have guaranteed the continuity of preparing the metal spherical powder, improve the efficiency of preparing the metal spherical powder.

It should be further noted that the bottom end of the atomizing bottle 1 is connected with two collecting hoppers 17, the bottom ends of the two collecting hoppers 17 are both connected with a first connecting pipe 18, a second valve 19 is installed on the first connecting pipe 18, a powder collecting bottle 20 is installed at the bottom end of the first connecting pipe 18 in a sealing manner, and a sixth valve 33 is installed on the powder collecting bottle 20.

Install second vacuum tube 21 on the powder collection bottle 20, install third valve 22 on the second vacuum tube 21, communicate second vacuum tube 21 with outside evacuation equipment, open third valve 22, through the inside evacuation of evacuation equipment to powder collection bottle 20, avoid the inside of air admission atomizing bottle 1 to the in-process of collecting the spherical powder of metal to powder collection bottle 20, then open second valve 19, the inside spherical powder of metal of collection hopper 17 falls to the inside of powder collection bottle 20 through first connecting pipe 18.

It should be further noted that a first fixing plate 23 is fixedly connected to the left end of the atomizing bottle 1, a vacuum pump 24 is fixedly connected to the top end of the first fixing plate 23, the vacuum pump 24 is communicated with the inside of the atomizing bottle 1 through a third vacuum tube 25, a fourth valve 26 is installed on the third vacuum tube 25, the fourth valve 26 is opened, the vacuum pump 24 is started, the inside of the atomizing bottle 1 is vacuumized through the vacuum pump 24, the fourth valve 26 is closed after vacuumization is completed, a second fixing plate 27 is fixedly connected to the right end of the atomizing bottle 1, a gas storage tank 28 is fixedly connected to the top end of the second fixing plate 27, a suction pump 29 is installed on the gas storage tank 28, the input end of the suction pump 29 is communicated with the inside of the gas storage tank 28, the output end of the suction pump 29 is communicated with the inside of the atomizing bottle 1 through a vent pipe 30, a fifth valve 31 is installed on the vent pipe 30, and inert gas can be conveniently input into the inside of the atomizing bottle 1.

The utility model discloses a but continuous preparation metal spherical powder's equipment's operating method does: rotating a rotating rod 8 positioned on the right side of the fixed seat, rotating the rotating rod 8 to drive a screw rod 7 to rotate, and rotating the screw rod 7 to enable the sealing plate 6 to slide in the sealing groove, so that the sealing plate 6 slides to the inside of a second wire conveying groove positioned on the right side to seal the second wire conveying groove positioned on the right side;

the wire feeder 15 located in the first box on the left side conveys metal wires to the inside of the atomizing bottle 1, after the end of the metal wire enters the atomizing bottle, supersonic plasma beams are generated through the plasma gun 2, rare metal wires are melted and atomized to generate metal spherical powder, the generated metal spherical powder falls on the cooling plate 3, the metal spherical powder is cooled through the cooling plate 3, and the cooled metal spherical powder slides to the insides of the two collecting hoppers 17 from the cooling plate 3;

in the process of preparing metal spherical powder by providing metal wires by a wire feeder in a first box body, a sealing cover 12 of a second box body on the right side can be opened, then the metal wires are installed on a wire feeder 15 in the second box body, one ends of the metal wires are inserted into a wire through port and the inside of a second wire conveying groove, then the sealing cover 12 is closed, then a first vacuum tube 10 is communicated with external vacuum-pumping equipment, then a first valve 11 is opened, and the inside of the second box body is vacuumized; the process realizes the replacement of the metal wire in the preparation process of the metal spherical powder, saves a large amount of time and improves the preparation efficiency of the metal spherical powder;

after the metal wires in the wire feeder in the first box body are conveyed, the rotating rod 8 and the screw 7 on the left side are rotated, so that the sealing plate 6 on the left side is moved to the inside of the second wire conveying groove on the left side, and the second wire conveying groove on the left side is sealed through the sealing plate 6;

the rotating rod 8 and the screw 7 on the right side are rotated reversely, the screw 7 rotates to enable the sealing plate 6 on the right side to slide into the sealing groove, and the sealing of the second wire conveying groove on the right side is released; then, a wire feeder 15 in a second box on the right side conveys metal wires to the inside of the atomizing bottle 1 to prepare metal spherical powder; meanwhile, the fifth valve 31 is opened, the air pump is started, and the inert gas in the gas storage tank 28 is conveyed to the inside of the atomization bottle 1 through the air pump to supplement the inert gas in the atomization bottle 1;

in the process of preparing the metal spherical powder by providing the metal wire by the wire feeder in the second box body, the sealing cover of the first box body on the left side can be opened, then the metal wire is installed on the wire feeder in the first box body, one end of the metal wire is inserted into the wire through port and the second wire conveying groove, then the sealing cover is closed, then the first vacuum tube is communicated with external vacuum-pumping equipment, and then the first valve is opened to vacuum the interior of the first box body; the process realizes the replacement of the metal wire in the preparation process of the metal spherical powder, saves a large amount of time and improves the preparation efficiency of the metal spherical powder;

when the prepared metal spherical powder needs to be collected, the powder collecting bottle 20 is arranged at the bottom end of the first connecting pipe 18, and the second valve 19 is closed; then, the second vacuum tube 21 is communicated with external vacuum pumping equipment, the third valve 22 is opened, the interior of the powder collecting bottle 20 is vacuumized through the vacuum pumping equipment, and air is prevented from entering the interior of the atomizing bottle 1 in the process of collecting metal spherical powder in the powder collecting bottle 20;

then, opening the second valve 19, opening the sixth valve 33, allowing the metal spherical powder in the collecting hopper 17 to fall into the powder collecting bottle 20 through the first connecting pipe 18, closing the sixth valve 33 and the second valve 19 after the metal spherical powder in the powder collecting bottle 20 is fully collected, detaching the powder collecting bottle 20 from the first connecting pipe 18, and completing the collection of the metal spherical powder; during the process of collecting the metal spherical powder, a proper amount of inert gas is supplemented to the inside of the atomizing bottle 1 by an air extractor.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through an intermediary, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. An apparatus for continuously producing metal spherical powder, comprising an atomising bottle (1), characterized in that: two plasma guns (2) are installed inside the atomizing bottle (1), a cooling plate (3) is fixedly connected to the bottom side inside the atomizing bottle (1), a fixing seat (4) is fixedly connected to the top end of the atomizing bottle (1), a first wire conveying groove is formed inside the fixing seat (4), the bottom end of the first wire conveying groove is communicated with the inside of the atomizing bottle (1), circular grooves are formed in the bottom side of the left end and the bottom side of the right end of the first wire conveying groove, wire conveying wheels (5) are rotatably connected to the inside of the two circular grooves, two second wire conveying grooves are connected to the side end of the first wire conveying groove, sealing grooves are formed in the side ends of the two second wire conveying grooves, sealing plates (6) are slidably arranged in the sealing grooves in the sealing mode, threaded holes are formed in the side ends of the sealing plates (6), threaded holes are formed in the inner portions of the threaded holes and connected with screw rods (7), rotating rods (8) are fixedly connected to the side ends of the screw rods (7), the rotating rods (8) are rotatably connected to the fixing seat (4) in a sealing mode, two box bodies (9) are fixedly connected to the top end of the fixing seat (4), first vacuum tube (10) are installed on the two box bodies (9), a first valve (10), sealing gasket (11) is connected to the bottom end of the sealing cover (12) through a sealing gasket (12) and a sealing gasket (12) which is connected to the sealing gasket (12), the bottom of sealed pad (14) contacts with the top of box (9), and the equal fixedly connected with in inside of two boxes (9) send silk machine (15), and the inside of two boxes (9) all is provided with the logical line mouth that communicates with the line groove of second, and the inside bottom of two boxes (9) all is connected with wire wheel (16).

2. The apparatus for continuously preparing metal spherical powder according to claim 1, wherein: the bottom of atomizing bottle (1) is connected with two collection fill (17), and the bottom of two collection fill (17) all is connected with first connecting pipe (18), installs second valve (19) on first connecting pipe (18), and the bottom seal of first connecting pipe (18) is installed and is collected powder bottle (20), installs second vacuum tube (21) on collecting powder bottle (20), installs third valve (22) on second vacuum tube (21).

3. An apparatus for continuously preparing metal spherical powder according to claim 2, wherein: the left end fixedly connected with first fixed plate (23) of atomizing bottle (1), the top fixedly connected with vacuum pump (24) of first fixed plate (23), vacuum pump (24) are through the inside intercommunication of third vacuum tube (25) and atomizing bottle (1), install fourth valve (26) on third vacuum tube (25).

4. An apparatus for continuously preparing metal spherical powder according to claim 3, wherein: the right-hand member fixedly connected with second fixed plate (27) of atomizing bottle (1), top fixedly connected with gas holder (28) of second fixed plate (27), install aspiration pump (29) on gas holder (28), the input of aspiration pump (29) and the inside intercommunication of gas holder (28), the output of aspiration pump (29) passes through the inside intercommunication of breather pipe (30) and atomizing bottle (1), installs fifth valve (31) on breather pipe (30).

5. An apparatus for continuously preparing metal spherical powder according to claim 4, wherein: the side end of the rotating rod (8) is fixedly connected with a rotating handle (32).

6. An apparatus for continuously preparing metal spherical powder according to claim 5, wherein: and a sixth valve (33) is arranged on the powder collecting bottle (20).