CN112958777A

CN112958777A - Metal powder atomization device

Info

Publication number: CN112958777A
Application number: CN202110126992.2A
Authority: CN
Inventors: 唐跃跃; 蒋保林; 许荣玉; 叶国晨; 张柯; 魏放; 王玄玄; 张波; 俞洋; 张维
Original assignee: Jiangsu Vilory Advanced Materials Technology Co Ltd
Current assignee: Jiangsu Vilory Advanced Materials Technology Co Ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-06-15

Abstract

The invention discloses a metal powder atomization device, comprising a base, a cavity is movably installed above the base, a crucible is installed on the inner upper part of the cavity, a liquid supply pipe is connected to the lower end of the crucible, and the cavity is arranged with mutual The linked cooling atomization mechanism, the first screening mechanism and the second screening mechanism, and the bottom end of the cavity is provided with a discharge hopper; the metal powder atomization equipment is provided with the interlinked cooling atomization mechanism, the first screening mechanism The mechanism and the second screening mechanism can drive the entire mechanism to operate together by starting the double-shaft motor, which is convenient to operate; by setting the first screen that rotates in an orderly manner and the second screen that slides back and forth, it is convenient for the atomized screen. The metal powder is effectively screened to improve the quality of the discharged material, which is convenient for subsequent use; by setting the lifting hydraulic cylinder to drive the overall lifting and lowering of the cavity, it is convenient to adjust the distance between the discharge hopper and the base, and it is convenient to place the container, which is conducive to the collection of metal powder. .

Description

Metal powder atomization device

Technical Field

The invention relates to the field of metal powder production, in particular to metal powder atomization equipment.

Background

The metal powder is a metal upstream raw material widely used in the powder metallurgy industry and the additive manufacturing industry, and the particle size range is usually between 15 and 300 μm, wherein the general powder metallurgy generally uses 50 to 150 μm, and the additive manufacturing technology such as selective laser cladding generally uses 15 to 50 μm of powder as the raw material; in order to control impurities conveniently, atomization is generally used in the industry to prepare metal powder, and screening equipment is often added to improve atomization quality when the metal powder is atomized; the existing atomization equipment is inconvenient for carrying out cooperative control on all mechanisms, is complex to operate and is not beneficial to improving the actual production efficiency and quality; therefore, there is a need for improvements in the prior art.

Disclosure of Invention

An object of the present invention is to provide a metal powder atomizing apparatus that solves the problems set forth in the background art described above.

In order to achieve the purpose, the invention provides the following technical scheme:

a metal powder atomization device comprises a base, wherein a cavity is movably arranged above the base, a crucible is arranged at the upper part of the inner side of the cavity, the lower end of the crucible is connected with a liquid supply pipe, a cooling atomization mechanism, a first screening mechanism and a second screening mechanism which are mutually linked are arranged on the cavity, a discharge hopper is arranged at the bottom end of the cavity, and a control valve is arranged on the discharge hopper; as a further scheme of the invention: cooling atomizing mechanism is including taking out the material chamber, the horizontally drain pipe is installed to one side of cavity, the splendid attire has the cooling water in the cavity, take out the material chamber and be fixed in one side of cavity, take out the material intracavity and have the piston via piston rod slidable mounting, the cross-section of piston rod is the T shape, take out the lower extreme in material chamber and install the material pipe of taking out and cavity intercommunication of buckling, the inboard interval of cavity has laid the atomizer of two slopes, the atomizer is located the oblique below in both sides of feed pipe, the bifurcated conveyer pipe is installed to one side in material chamber and is connected with two atomizers, all install the check valve on material pipe and the conveyer pipe.

As a further scheme of the invention: the first screening mechanism comprises an underframe, the underframe is fixed in the cavity, a through hole is formed in the underframe, a sorting cavity is movably mounted on the underframe, the lower part of the sorting cavity is rotatably mounted with the underframe through a transmission ring, a first screen is mounted at the bottom of the inner side of the sorting cavity, and a bevel gear is mounted on the periphery of the sorting cavity.

As a further scheme of the invention: the second screening mechanism comprises a second screen, transmission seats are fixed on two sides of the second screen, and the second screen is installed with the first screening mechanism in a transmission mode through the transmission seats; two sides of the bevel gear are in transmission connection with first transmission shafts, one end of each first transmission shaft, which is far away from the bevel gear, extends to the outer side of the cavity, one first transmission shaft is in transmission installation with a double-shaft motor, the double-shaft motor is installed on one side of the cavity through a rack, one end of the other first transmission shaft is provided with a first linkage wheel, a transmission pin is distributed on the first linkage wheel, a connecting rod is connected between the transmission pin and the upper end of the piston rod, and two ends of the connecting rod are respectively in rotation installation with the transmission pin and the piston rod; one of them transmission seat extends to the inboard of cavity and is connected with horizontally reset spring between the cavity, one side transmission of another transmission seat is connected with the eccentric wheel, eccentric wheel coaxial arrangement has from the driving wheel, the horizontally second transmission shaft is installed to one side of cavity, the one end of second transmission shaft is installed the third driving wheel and is connected with the driving wheel transmission, the band pulley is installed to the other end of second transmission shaft, the one end that the biax motor deviates from first transmission shaft installs the second driving wheel, the second driving wheel is connected with the band pulley transmission via the belt.

As a further scheme of the invention: the double-shaft motor is assembled and connected with the rack through bolts.

As a further scheme of the invention: evenly install a plurality of vertical assembly poles on the base, the cross-section of assembly pole is T shape, and the both sides of cavity are via connecting seat and assembly pole slidable mounting, evenly installs a plurality of vertical hydraulic cylinder between the lower extreme of connecting seat and the base.

As a further scheme of the invention: and a vertical guide spring is arranged on the assembly rod at the periphery of the lower end part of the connecting seat.

As a further scheme of the invention: a plurality of universal wheels are evenly installed at the lower end of the base, and locking switches are arranged on the universal wheels.

Compared with the prior art, the invention has the beneficial effects that: the metal powder atomization device is provided with the cooling atomization mechanism, the first screening mechanism and the second screening mechanism which are linked with each other, the whole mechanism can be driven to operate cooperatively by starting the double-shaft motor to operate, and the operation is convenient and fast; through the arrangement of the first screen capable of rotating orderly and the second screen capable of sliding back and forth, the atomized metal powder can be screened effectively, the quality of discharged materials is improved, and the subsequent use is facilitated; in addition, order about the whole lift of cavity through setting up hydraulic cylinder, be convenient for adjust out the interval of hopper and base, conveniently lay the splendid attire container, be favorable to metal powder's collection.

Drawings

Fig. 1 is a schematic structural view of a metal powder atomizing apparatus.

FIG. 2 is a schematic view of the transmission connection between a first linkage wheel and a piston rod in the metal powder atomization device.

Fig. 3 is a schematic layout view of bevel gears on a sorting cavity in the metal powder atomizing device.

In the figure: 1-base, 2-assembly rod, 3-lifting hydraulic cylinder, 4-cavity, 5-connecting seat, 6-crucible, 7-liquid supply pipe, 8-atomizing nozzle, 9-separation cavity, 10-base frame, 11-transmission ring, 12-first screen, 13-bevel gear, 14-first transmission shaft, 15-double-shaft motor, 16-first linkage wheel, 17-transmission pin, 18-connecting rod, 19-frame, 20-second linkage wheel, 21-material pumping cavity, 22-piston rod, 23-second transmission shaft, 24-belt wheel, 25-third linkage wheel, 26-driven wheel, 27-eccentric wheel, 28-second screen, 29-transmission seat, 30-reset spring, 31-material pumping pipe, 32-conveying pipe, 33-discharge hopper and 34-drainage pipe.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a metal powder atomizing apparatus includes a base 1, a cavity 4 is movably installed above the base 1, a crucible 6 is installed on the upper portion of the inner side of the cavity 4, a liquid supply pipe 7 is connected to the lower end of the crucible 6, a cooling atomizing mechanism, a first screening mechanism and a second screening mechanism which are linked with each other are arranged on the cavity 4, a discharge hopper 33 is arranged at the bottom end of the cavity 4, and a control valve is installed on the discharge hopper 33; cooling atomizing mechanism is including taking out material chamber 21, horizontal drain pipe 34 is installed to one side of cavity 4, the splendid attire has the cooling water in the cavity 4, it is fixed in one side of cavity 4 to take out material chamber 21, there is the piston via piston rod 22 slidable mounting in taking out material chamber 21, the cross-section of piston rod 22 is the T shape, take out material pipe 31 and the cavity 4 intercommunication of buckling are installed to the lower extreme in material chamber 21, the atomizer 8 of two slopes has been laid at the inboard interval of cavity 4, atomizer 8 is located the oblique below in both sides of feed pipe 7, it is connected with two atomizers 8 to install bifurcated conveyer pipe 32 in one side of material chamber 21, all install the check valve on material pipe 31 and the conveyer pipe 32.

Further, first screening mechanism includes chassis 10, and chassis 10 is fixed in the inside of cavity 4, and it has the through-hole to open on the chassis 10, and movable mounting has separation chamber 9 on the chassis 10, and separation chamber 9's lower part rotates with chassis 10 through drive ring 11 and installs, and separation chamber 9's inboard bottom is installed first screen cloth 12, and separation chamber 9's periphery is installed bevel gear 13.

Further, the second screening mechanism comprises a second screen 28, transmission seats 29 are fixed on two sides of the second screen 28, and the second screen 28 is installed in a transmission manner with the first screening mechanism through the transmission seats 29; two sides of the bevel gear 13 are connected with first transmission shafts 14 in a transmission manner, one end of each first transmission shaft 14, which is far away from the bevel gear 13, extends to the outer side of the cavity 4, one first transmission shaft 14 is installed in a transmission manner with a double-shaft motor 15, the double-shaft motor 15 is installed on one side of the cavity 4 through a rack 19, one end of the other first transmission shaft 14 is provided with a first linkage wheel 16, a transmission pin 17 is distributed on the first linkage wheel 16, a connecting rod 18 is connected between the transmission pin 17 and the upper end of a piston rod 22, and two ends of the connecting rod 18 are respectively installed with the transmission pin 17 and the piston; one of them transmission seat 29 extends to the inboard of cavity 4 and is connected with horizontally reset spring 30 between the cavity 4, one side transmission of another transmission seat 29 is connected with eccentric wheel 27, eccentric wheel 27 coaxial arrangement has from driving wheel 26, horizontal second transmission shaft 23 is installed to one side of cavity 4, third driving wheel 25 is installed to the one end of second transmission shaft 23 and is connected with the driving of following driving wheel 26, band pulley 24 is installed to the other end of second transmission shaft 23, the one end that biax motor 15 deviates from first transmission shaft 14 installs second linkage wheel 20, second linkage wheel 20 is connected with band pulley 24 transmission via the belt, thereby realize the linkage of cooling atomization mechanism, first screening mechanism and second screening mechanism.

Further, the double-shaft motor 15 is assembled and connected with the frame 19 through bolts, so that the double-shaft motor 15 can be conveniently disassembled and maintained.

Further, evenly install a plurality of vertical assembly poles 2 on the base 1, the cross-section of assembly pole 2 is the T shape, and a plurality of vertical hydraulic cylinder 3 are evenly installed between the lower extreme of connecting seat 5 and the base 1 via connecting seat 5 and assembly pole 2 slidable mounting to the both sides of cavity 4 to adjust the overall position of cavity 4, convenient to use.

Furthermore, the assembly rod 2 is located the lower tip periphery of connecting seat 5 and installs vertical guide spring for promote connecting seat 5 along the gliding smoothness of assembly rod 2, convenient to use.

The working principle of the embodiment is as follows:

when the metal powder screening machine is actually used, the double-shaft motor 15 is started to operate, the double-shaft motor 15 is meshed with the bevel gear 13 through the first transmission shaft 14, so that the sorting cavity 9 rotates, the first linkage wheel 16 drives the piston rod 22 to slide along the material pumping cavity 21 in a reciprocating mode through the transmission pin 17 and the connecting rod 18, so that the material pumping cavity 21 pumps cooling water through the cavity 4 and discharges the cooling water through the atomizing nozzle 8, metal liquid flowing out of the liquid supply pipe 7 is sprayed and atomized into powder and falls onto the first screen 12, the sorting cavity 9 drives the first screen 12 to rotate, metal powder is screened for the first time, the double-shaft motor 15 drives the second transmission shaft 23 to rotate through the second linkage wheel 20 and the belt wheel 24, the second transmission shaft 23 drives the third linkage wheel 25 to be meshed with the driven wheel 26, so that the eccentric wheel 27 makes a circular motion, the eccentric wheel 27 is matched with the reset spring 30 to drive the second screen 28 to, thereby carry out the secondary screening to metal powder, the powder after the screening is seen off via going out hopper 33, starts hydraulic cylinder 3 cavity 4 and slides and goes up and down, is convenient for place the splendid attire container on base 1 and collects the metal powder after the screening, makes things convenient for subsequent processing.

Example 2

In order to facilitate the movement and fixation of the position of the metal powder atomizing apparatus, this embodiment is improved on the basis of embodiment 1, and the improvement is as follows: a plurality of universal wheels are evenly installed to the lower extreme of base 1, are provided with the locking switch on the universal wheel, and are convenient metal powder atomization plant's position removes and fixes, uses manpower sparingly.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various modifications, improvements and substitutions can be made without departing from the spirit of the invention, and all of them belong to the protection scope of the technical solution. The protection scope of this technical solution patent should be subject to the appended claims.

Claims

1. A metal powder atomization device, comprising a base (1), characterized in that a cavity (4) is movably installed above the base (1), and a crucible (6) is installed on the upper part of the inner side of the cavity (4). ), the lower end of the crucible (6) is connected with a liquid supply pipe (7), and the cavity (4) is provided with a cooling atomization mechanism, a first screening mechanism and a second screening mechanism that are linked with each other, and the cavity (4) A discharge hopper (33) is arranged at the bottom end of the discharge hopper (33), and a control valve is installed on the discharge hopper (33); the cooling atomization mechanism includes a material extraction cavity (21); a horizontal drain pipe is installed on one side of the cavity (4). (34), the cavity (4) is filled with cooling water, the pumping cavity (21) is fixed on one side of the cavity (4), and a piston is slidably installed in the pumping cavity (21) via the piston rod (22), The section of the piston rod (22) is T-shaped, and the lower end of the material extraction cavity (21) is provided with a bent material extraction pipe (31) which communicates with the cavity (4). The inclined atomizing nozzle (8), the atomizing nozzle (8) is located obliquely below the two sides of the liquid supply pipe (7), and one side of the material extraction chamber (21) is provided with a bifurcated conveying pipe (32) and two The atomizing nozzles (8) are connected to each other, and a check valve is installed on both the suction pipe (31) and the conveying pipe (32).

2 . The metal powder atomization device according to claim 1 , wherein the first screening mechanism comprises a bottom frame ( 10 ), the bottom frame ( 10 ) is fixed inside the cavity ( 4 ), and the bottom frame (10) is provided with a through hole, a sorting chamber (9) is movably installed on the bottom frame (10), and the lower part of the sorting chamber (9) is rotated and installed with the bottom frame (10) through the transmission ring (11), and the sorting A first screen (12) is installed on the inner bottom of the cavity (9), and a bevel gear (13) is installed on the periphery of the sorting cavity (9).

3. The metal powder atomization device according to claim 2, wherein the second screening mechanism comprises a second screen (28), and transmission seats (28) are fixed on both sides of the second screen (28). 29), the second screen (28) is installed with the first screening mechanism through the transmission seat (29); the two sides of the bevel gear (13) are connected with a first transmission shaft (14), the first transmission shaft (14) The end facing away from the bevel gear (13) extends to the outside of the cavity (4), wherein a first transmission shaft (14) is installed in a transmission with the biaxial motor (15), and the biaxial motor (15) is installed via the frame ( 19) Installed on one side of the cavity (4), one end of the other first transmission shaft (14) is installed with a first linkage wheel (16), and a transmission pin (17) is arranged on the first linkage wheel (16), A connecting rod (18) is connected between the transmission pin (17) and the upper end of the piston rod (22), and the two ends of the connecting rod (18) are respectively rotatably installed with the transmission pin (17) and the piston rod (22); The seat (29) extends to the inside of the cavity (4) and is connected with the cavity (4) with a horizontal return spring (30), and one side of the other transmission seat (29) is connected with an eccentric (27) , the eccentric wheel (27) is coaxially installed with the driven wheel (26), one side of the cavity (4) is installed with a horizontal second drive shaft (23), and one end of the second drive shaft (23) is installed with a third linkage The pulley (25) is connected to the driven wheel (26) in a transmission connection, the other end of the second transmission shaft (23) is installed with a pulley (24), and the end of the biaxial motor (15) away from the first transmission shaft (14) is installed with a pulley (24). Two linkage pulleys (20), the second linkage pulley (20) is connected to the pulley (24) in a transmission via a belt.

4. The metal powder atomizing device according to claim 3, characterized in that, the biaxial motor (15) is assembled and connected to the frame (19) via bolts.

5. The metal powder atomizing device according to claim 2, characterized in that a plurality of vertical assembly rods (2) are evenly installed on the base (1), and the cross-section of the assembly rod (2) is T-shaped, Both sides of the cavity (4) are slidably installed via the connecting seat (5) and the assembly rod (2), and several vertical lifting hydraulic cylinders (3) are evenly installed between the lower end of the connecting seat (5) and the base (1). .

6 . The metal powder atomizing device according to claim 5 , wherein a vertical guide spring is installed on the periphery of the lower end portion of the connecting seat ( 5 ) of the assembly rod ( 2 ). 7 .

7 . The metal powder atomization device according to claim 1 , wherein a plurality of universal wheels are evenly installed on the lower end of the base ( 1 ), and a locking switch is arranged on the universal wheels. 8 .