CN115971501B - Intelligent production equipment for metal powder - Google Patents
Intelligent production equipment for metal powder Download PDFInfo
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- CN115971501B CN115971501B CN202310274442.4A CN202310274442A CN115971501B CN 115971501 B CN115971501 B CN 115971501B CN 202310274442 A CN202310274442 A CN 202310274442A CN 115971501 B CN115971501 B CN 115971501B
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- 239000002184 metal Substances 0.000 title claims abstract description 215
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 215
- 239000000843 powder Substances 0.000 title claims abstract description 108
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 106
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 238000001035 drying Methods 0.000 claims abstract description 65
- 238000009434 installation Methods 0.000 claims abstract description 42
- 238000010298 pulverizing process Methods 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 27
- 238000002844 melting Methods 0.000 claims abstract description 24
- 230000008018 melting Effects 0.000 claims abstract description 24
- 239000003595 mist Substances 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 16
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- 238000004321 preservation Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 30
- 239000010720 hydraulic oil Substances 0.000 claims description 23
- 238000002360 preparation method Methods 0.000 claims description 23
- 239000012212 insulator Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 abstract description 5
- 238000004663 powder metallurgy Methods 0.000 description 9
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The application provides intelligent production equipment of metal powder, which belongs to the field of metal powder manufacture, and comprises a metal melting unit which is arranged on an installation cabinet, wherein the metal melting unit comprises a plurality of metal melting assemblies and a molten metal heat retainer, a plurality of heat retaining cavities are formed in the molten metal heat retainer, the melting assemblies respectively correspond to the heat retaining cavities, a plurality of communication holes are formed in the bottom of the molten metal heat retainer, the communication holes are communicated with the heat retaining cavities and a liquid outlet of the molten metal heat retainer, water mist pulverizing units spray water and atomize molten metal, and outlets of the water mist pulverizing units are communicated with a drying box of a drying unit. According to the application, by arranging the plurality of metal melting assemblies, different kinds of metals are melted and then respectively enter different heat preservation cavities, and the water mist pulverizing unit is used for pulverizing various kinds of metals and then enter the drying box, so that various kinds of mixed metal powder can be obtained.
Description
Technical Field
The application belongs to the field of metal powder production equipment, and particularly relates to intelligent production equipment for metal powder.
Background
Metal powder is a metal upstream raw material widely used in the powder metallurgy industry and additive manufacturing industry. In powder metallurgy, various metal powders are fully mixed according to a certain proportion and then refilled into a die for solidification. In the existing metal powder production, powder preparation is carried out on one metal, and if powder metallurgy is carried out, different kinds of metal powder are required to be mixed after the preparation is finished.
The existing metal powder preparation equipment has the following defects: when producing metal powder, only a single kind of metal powder can be produced, and when carrying out later-stage powder metallurgy, different metal powders also need to be mixed again, and the mixing efficiency is low.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present application is to provide an intelligent production device for metal powder, which is used for solving the problems that in the prior art, only a single kind of metal powder can be produced during metal powder production, and different metal powders need to be mixed again during later-stage powder metallurgy, so that the mixing efficiency is low.
To achieve the above and other related objects, the present application provides an intelligent production apparatus for metal powder, comprising,
the cabinet is arranged in the installation way,
the metal melting unit is arranged on the installation cabinet and comprises a plurality of metal melting assemblies and a molten metal heat retainer, a plurality of heat retaining cavities are formed in the molten metal heat retainer, the melting assemblies respectively correspond to the heat retaining cavities, a plurality of communication holes are formed in the bottom of the molten metal heat retainer, one ends of the communication holes are communicated with the heat retaining cavities, and the other ends of the communication holes are communicated with a liquid outlet of the molten metal heat retainer;
the water mist pulverizing unit is arranged on the installation cabinet and positioned below the liquid outlet of the molten metal heat insulator, and the water mist pulverizing unit sprays molten metal in a molten state;
and the drying unit comprises a drying box, an outlet of the water mist pulverizing unit is communicated with the inside of the drying box, and the drying box is rotationally arranged.
Alternatively, the melting assembly comprises a metal heater and a first rotating power element;
the installation cabinet is internally provided with a sealing cavity, the molten metal heat insulator is fixedly installed in the sealing cavity, the installation cabinet is internally provided with a first installation cavity, and the first installation cavity is positioned below the sealing cavity;
the bottom wall of the sealing cavity is provided with a first through hole, the first through hole is communicated with the sealing cavity and the first mounting cavity, and the first through hole is positioned below a liquid outlet of the molten metal heat insulator; the upper part of the metal heater is provided with an opening, the metal heater is positioned above the molten metal heat retainer, the metal heater is rotatably arranged in the sealing cavity, and the first rotary power element provides rotary power for the metal heater;
the metal heater is driven by the first rotating power element to pour molten metal into the heat preservation cavity.
Alternatively, the sealing cavity is communicated with an external gas path through an inert gas pipe.
As an alternative scheme, the feed inlet has been seted up to sealed chamber upper portion, install the door plant that is used for switching feed inlet on the rotation of installing the cabinet.
As an alternative scheme, the water mist pulverizing unit comprises a pulverizing cylinder body, a nozzle body, an annular groove, a molten metal drop hole and a plurality of water outlet components;
the powder preparation cylinder is arranged in the first installation cavity and is communicated with a drying box of the drying unit;
the spray head body is fixedly arranged in the powder making cylinder, the molten metal falling hole is formed in the spray head body, the molten metal falling hole penetrates through the upper end face and the lower end face of the spray head body, and the central line of the molten metal falling hole coincides with the central line of the liquid outlet of the molten metal heat retainer;
the annular groove is formed in the spray head body and is communicated with an external waterway through a water inlet pipe penetrating through the spray head body;
the circular array of axis that a plurality of go out water subassembly along the molten metal drop hole sets up on the shower nozzle body, it is connected to go out water subassembly and shower nozzle body rotation, the one end intercommunication ring channel of water subassembly, the other end intercommunication outer space of water subassembly, the water outlet hole central line of water subassembly is crossing with the central line of molten metal drop hole.
As an alternative scheme, the water mist pulverizing unit further comprises an adjusting component for adjusting the front, back, left and right positions of the pulverizing cylinder, wherein the adjusting component comprises a mounting plate, a second through hole, a first screw rod, a second screw rod, a first motor and a second motor;
the mounting plate is slidably mounted in the first mounting cavity, the sliding direction of the mounting plate is perpendicular to the axial direction of the powder preparation cylinder, the first motor is fixedly mounted on the mounting cabinet, the first screw rod is rotatably mounted on the mounting cabinet, the first screw rod is fixedly mounted on a motor shaft of the first motor, the axial direction of the first screw rod is parallel to the sliding direction of the mounting plate, and the first screw rod is in threaded connection with the mounting plate;
the mounting plate is provided with a second through hole penetrating through the upper end face and the lower end face of the mounting plate, the powder preparation cylinder body is positioned in the second through hole, and the outer diameter of the powder preparation cylinder body is smaller than the inner diameter of the second through hole;
the second motor is fixedly arranged on the mounting plate, the second screw rod is fixedly arranged on a motor shaft of the second motor, the second screw rod is rotatably arranged on the mounting plate, the second screw rod is in threaded connection with the powder making cylinder body, the axis of the second screw rod is perpendicular to the axis of the first screw rod, and the axis direction of the second screw rod is perpendicular to the sliding direction of the mounting plate.
As an alternative scheme, the water outlet assembly comprises a water outlet piece body, a water outlet hole, a hose, a second installation cavity, a hydraulic oil accommodating cavity, a piston and a connecting rod;
the lower part of the spray head body is provided with a second installation cavity, the lower part of the second installation cavity is communicated with the external space, and the second installation cavity is positioned below the annular groove;
the water outlet piece body is rotatably arranged in the second mounting cavity, the rotation axis of the water outlet piece body is vertical to the axis of the molten metal falling hole, and the water outlet piece body is provided with a water outlet hole penetrating through the upper end face and the lower end face of the water outlet piece body;
the spray head body is internally provided with a hydraulic oil accommodating cavity which is communicated with a second installation cavity, the axial direction of the hydraulic oil accommodating cavity is vertical to the rotation axial direction of the water outlet piece body, the piston is slidably arranged in the hydraulic oil accommodating cavity, and the hydraulic oil accommodating cavity is communicated with an external oil way through a hydraulic oil pipe;
one end of the connecting rod is hinged with the piston, the other end of the connecting rod is hinged with the upper end face of the water outlet piece body, and the outer diameter of the connecting rod is smaller than that of the piston;
one end of the hose is communicated with the annular groove, and the other end of the hose is communicated with the water outlet.
As an alternative scheme, the lower part of the powder preparation barrel is provided with an opening, a discharging pipe is fixedly arranged at the opening of the powder preparation barrel, and an electromagnetic valve is arranged on the discharging pipe;
and a liquid guide trough plate is arranged below the discharge pipe.
As an alternative scheme, the drying unit comprises a first hollow rotating column, a second hollow rotating column, a supporting plate, a cavity, a second rotating power element, a high-temperature medium liquid inlet pipe and a high-temperature medium liquid outlet pipe;
the drying box is a square drying tank, a first hollow rotating column and a second hollow rotating column are fixedly arranged at two opposite ends of the drying box respectively, the axis of the first hollow rotating column is coincident with that of the second hollow rotating column, and the first hollow rotating column and the second hollow rotating column are rotatably arranged on the supporting plate;
the first hollow rotating column is communicated with one end of a liquid inlet pipe through a rotating joint, the other end of the liquid inlet pipe is communicated with the liquid guide groove plate, and the second hollow rotating column is communicated with an exhaust pipe through a rotating joint;
the inner wall of the drying box is provided with a cavity, and the high-temperature medium liquid inlet pipe and the high-temperature medium liquid outlet pipe are both communicated with the cavity;
the second rotating power element provides rotating power for the first hollow rotating column or the second hollow rotating column.
As an alternative, the drying unit further comprises a metal powder outlet pipe, an opening and closing plate and an opening and closing power element;
the metal powder outlet pipe is fixedly arranged on the drying box and is communicated with the drying box;
an opening and closing plate is rotatably arranged on the metal powder outlet pipe and is used for opening and closing the metal powder outlet pipe;
the opening and closing power element provides rotary opening and closing power for the opening and closing plate.
As described above, the intelligent production equipment of the metal powder has at least the following beneficial effects:
1. according to the application, by arranging a plurality of metal melting assemblies, different metals can be melted at the same time, so that the production time of metal powder is saved, meanwhile, the metal powder can be mixed in the process of powder preparation, the subsequent powder metallurgy process can be simplified, and the efficiency is improved;
2. according to the application, the drying box is square, so that the liquid level of the metal powder mixed liquid can be changed when the drying box rotates, and better mixing is facilitated;
3. the liquid guide groove plate is arranged, so that other powder preparations can be added into the metal powder, and more complete raw materials with a formula can be conveniently provided for powder metallurgy;
4. according to the application, the adjusting assembly is arranged, so that the front, rear, left and right positions of the intersection point of the water outlet are conveniently fine-adjusted, the upper and lower positions of the intersection point of the water outlet can be adjusted by arranging the water outlet on the rotating water outlet body, the intersection point of the axis of the water outlet can be conveniently and well intersected with the falling path of molten metal liquid falling out of the liquid outlet, and the debugging difficulty of equipment is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 shows a partial enlarged view of the application at A in FIG. 1;
FIG. 3 is a sectional view showing the construction of a metal melting unit and a water mist pulverizing unit of the present application;
FIG. 4 shows a partial enlarged view of the application at B in FIG. 3;
FIG. 5 is a schematic view showing the structure of a metal heater in a sealed cavity according to the present application;
FIG. 6 shows a bottom view of the spray head body and water outlet assembly of the present application;
FIG. 7 shows a cross-sectional view at C-C in FIG. 6 in accordance with the present application;
FIG. 8 is a cross-sectional view showing the structure of the liquid guiding groove plate of the present application;
fig. 9 is a structural cross-sectional view showing a drying unit of the present application;
FIG. 10 shows a top view of the molten metal warmer of the present application;
fig. 11 shows a cross-sectional view at D-D in fig. 10 in accordance with the present application.
In the figure: 101. installing a cabinet; 102. sealing the cavity; 103. a first mounting cavity; 104. a first through hole; 105. a feed inlet; 106. a door panel;
201. a molten metal warmer; 202. a heat preservation cavity; 203. a communication hole; 204. a liquid outlet; 205. a metal heater; 206. a first rotary power element;
301. pulverizing a cylinder; 302. a spray head body; 303. an annular groove; 304. a molten metal drop hole; 305. a water outlet member body; 306. a water outlet hole; 307. a hose; 308. a second mounting cavity; 309. a hydraulic oil accommodating chamber; 310. a piston; 311. a connecting rod; 312. a mounting plate; 313. a second through hole; 314. a first lead screw; 315. a second lead screw; 316. a first motor; 317. a second motor;
401. a drying box; 402. a first hollow rotating column; 403. a second hollow rotating column; 404. a support plate; 405. a cavity; 406. a high-temperature medium liquid inlet pipe; 407. a high-temperature medium liquid outlet pipe; 408. a metal powder outlet tube; 409. an opening/closing plate; 410. a second rotary power element; 411. an opening and closing power element; 412. a liquid inlet pipe;
501. a discharge pipe; 502. an electromagnetic valve; 503. a liquid guide groove plate;
601. a powder storage tank.
Detailed Description
Further advantages and effects of the present application will become apparent to those skilled in the art from the disclosure of the present application, which is described by the following specific examples.
Please refer to fig. 1 to 11. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the application to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the application, are included in the spirit and scope of the application which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the application, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the application may be practiced.
The following examples are given by way of illustration only. Various embodiments may be combined and are not limited to only what is presented in the following single embodiment.
Referring to fig. 1 to 11, the present application provides an intelligent production apparatus for metal powder, comprising:
the cabinet 101 is installed such that,
the metal melting unit is installed on the installation cabinet 101 and comprises a plurality of metal melting assemblies and a molten metal heat retainer 201, wherein the molten metal heat retainer 201 can be an electrically heated crucible, and a plurality of heat retaining cavities 202 are formed in the molten metal heat retainer 201;
a heating device is corresponding to each heat preservation cavity 202, so that the temperature of each heat preservation cavity 202 can be different;
the melting assembly corresponds to the heat preservation cavity 202 respectively, the bottom of the molten metal heat preservation device 201 is also provided with a plurality of communication holes 203, one end of each communication hole 203 is communicated with the inside of the heat preservation cavity 202, and the other ends of the communication holes 203 are communicated with a liquid outlet 204 of the molten metal heat preservation device 201;
a water mist pulverizing unit which is installed on the installation cabinet 101 and located below the liquid outlet 204 of the molten metal heat insulator 201, and which sprays water to atomize molten metal in a molten state;
and the drying unit comprises a drying box 401, an outlet of the water mist pulverizing unit is communicated with the inside of the drying box 401, and the drying box 401 is rotatably arranged.
Through putting different kinds of metal blocks in different metal melting assemblies, starting the metal melting assemblies to heat and starting the molten metal heat insulator 201 to preheat, pouring molten metal liquid into the heat insulating cavity 202 after metal is melted, falling to the liquid outlet 204 through the communication hole 203, falling down through the liquid outlet 204, crushing the molten metal liquid through the water mist pulverizing unit, thus obtaining mixed liquid of metal powder and water, enabling the mixed liquid to enter the drying box 401, and drying the mixed liquid by the rotating drying box 401, thus obtaining the metal powder.
In this embodiment, referring to fig. 1 to 11, the melting assembly includes a metal heater 205 and a first rotating power element 206;
the metal heater 205 here may be an electrically heated crucible;
a sealing cavity 102 is formed in the installation cabinet 101, the molten metal heat insulator 201 is fixedly installed in the sealing cavity 102, a first installation cavity 103 is also formed in the installation cabinet 101, and the first installation cavity 103 is located below the sealing cavity 102;
a first through hole 104 is formed in the bottom wall of the sealing cavity 102, the first through hole 104 is communicated with the sealing cavity 102 and the first mounting cavity 103, and the first through hole 104 is positioned below a liquid outlet 204 of the molten metal heat insulator 201; an opening is formed in the upper portion of the metal heater 205, the metal heater 205 is located above the molten metal heat retainer 201, the metal heater 205 is rotatably mounted in the sealing cavity 102, a rotating shaft is fixedly mounted on the metal heater 205 and rotatably mounted in the sealing cavity 102, and the first rotating power element 206 provides rotating power for the metal heater 205; the first rotating power element may be a motor, wherein a motor shaft of the motor is fixedly connected with the rotating shaft, so as to drive the rotating shaft to rotate, and thus drive the metal heater 205 to rotate around the axis of the rotating shaft, and an embodiment of the motor as the first rotating power element is not illustrated in the drawings of the specification; the first rotating power element may also be an electric telescopic rod, the electric telescopic rod is rotatably installed in the sealing cavity 102, the bottom of the electric telescopic rod is rotatably installed at the bottom of the sealing cavity 102, the telescopic end of the electric telescopic rod is rotatably connected with the bottom end surface of the metal heater 205, the rotating axis of the electric telescopic rod is parallel to the rotating axis of the metal heater 205, the electric telescopic rod extends outwards, so that the metal heater 205 is pushed to rotate clockwise around the rotating axis, namely rotate forwards, molten metal in the metal heater 205 can be poured into the heat preservation cavity 202, and after the molten metal is poured out, the electric telescopic rod is retracted, and the metal heater 205 is pulled to rotate anticlockwise, so that the molten metal is reset;
the metal heater 205 is driven by the first rotating power element 206 to pour molten metal into the insulating cavity 202.
The metal heater 205 heats and melts metal, and then the first rotating power unit drives the metal heater 205 to rotate and topple over, so that molten metal liquid is poured into the heat preservation cavity 202, and the molten metal liquid sequentially passes through the communication hole 203, the liquid outlet 204 and the first through hole 104, so as to fall into the first installation cavity 103, and the water atomization method preparation of metal powder is performed;
if the plurality of metal heaters 205 are started to rotate at the same time, molten metal can enter the liquid outlet 204 through the communication hole 203 at the same time and fall out, so that the production of a plurality of metal powders can be conveniently carried out at the same time, and the mode is suitable for the situation that the melting point temperatures of a plurality of metals are not much different;
if the melting temperature difference between different metals is larger, the metal heater 205 with the metal with the lower melting point can be started to rotate first, so that the metal heater is crushed first, and the crushing time is saved.
In this embodiment, referring to fig. 3, the sealing chamber 102 is connected to an external gas path through an inert gas pipe.
By filling inert gas into the sealing cavity 102, an external stable environment can be provided when metal is melted and heated, so that the reaction between the metal and substances in the air during metal heating is avoided, and the quality of metal powder is influenced;
meanwhile, the falling speed of the molten metal can be controlled by controlling the air pressure of an external air passage, namely, the molten metal is pressurized in the sealing cavity 102, so that the falling speed of the molten metal can be increased, and the falling speed of the molten metal can be reduced by reducing the pressure in the sealing cavity 102.
In this embodiment, referring to fig. 3, a feed inlet 105 is formed at an upper portion of the sealing chamber 102, and a door plate 106 for opening and closing the feed inlet 105 is rotatably mounted on the mounting cabinet 101.
The door plate 106 can be automatically opened and closed, namely, the opening and closing of the door plate 106 are controlled through the opening and closing air cylinder, the automation of the opening and closing of the door plate 106 is realized, one end of the opening and closing air cylinder is hinged to the door plate 106, the other end of the opening and closing air cylinder is hinged to the installation cabinet 101, and the door plate 106 can be driven to rotate by starting the opening and closing air cylinder, so that the opening and closing of the door plate 106 are controlled.
In this embodiment, referring to fig. 1 to 11, the water mist pulverizing unit includes a pulverizing cylinder 301, a nozzle body 302, an annular groove 303, a molten metal drop hole 304, and a plurality of water outlet components;
the water outlet assembly can comprise the following parts: the water outlet member body 305, the water outlet hole 306, the hose 307, the second installation chamber 308, the hydraulic oil accommodating chamber 309, the piston 310, the connecting rod 311;
the powder preparation barrel 301 is arranged in the first installation cavity 103, and the powder preparation barrel 301 is communicated with a drying box 401 of a drying unit;
the spray head body 302 is fixedly arranged in the powder making barrel 301, the molten metal falling hole 304 is formed in the spray head body 302, the molten metal falling hole 304 penetrates through the upper end face and the lower end face of the spray head body 302, and the central line of the molten metal falling hole 304 coincides with the central line of the liquid outlet 204 of the molten metal heat insulator 201;
the annular groove 303 is formed in the nozzle body 302, and the annular groove 303 is communicated with an external waterway through a water inlet pipe penetrating through the nozzle body 302;
the water outlet components are arranged on the nozzle body 302 in a circular array along the axis of the molten metal falling hole 304, the water outlet components are rotationally connected with the nozzle body 302, one end of each water outlet component is communicated with the annular groove 303, the other end of each water outlet component is communicated with an external space, and the central line of the water outlet hole 306 of each water outlet component is intersected with the central line of the molten metal falling hole 304;
the water outlet assemblies herein may be 4, 6 or 8.
The external waterway is used for jetting high-pressure water flow into the annular groove 303 through the water outlet assembly, and breaking molten metal liquid which sequentially falls from the first through hole 104 and the molten metal falling hole 304, so that metal is powdered.
In this embodiment, referring to fig. 1 to 11, the water mist pulverizing unit further includes an adjusting assembly for adjusting the front-back, left-right positions of the pulverizing cylinder 301, where the adjusting assembly includes a mounting plate 312, a second through hole 313, a first screw 314, a second screw 315, a first motor 316, and a second motor 317;
the mounting plate 312 is slidably mounted in the first mounting cavity 103, the sliding direction of the mounting plate 312 is perpendicular to the axial direction of the powder making cylinder 301, the first motor 316 is fixedly mounted on the mounting cabinet 101, the first lead screw 314 is rotatably mounted on the mounting cabinet 101, the first lead screw 314 is fixedly mounted on a motor shaft of the first motor 316, the axial direction of the first lead screw 314 is parallel to the sliding direction of the mounting plate 312, and the first lead screw 314 is in threaded connection with the mounting plate 312;
the first screw 314 is in threaded connection with a first sleeve, and the first sleeve is fixedly connected with the mounting plate 312;
the mounting plate 312 is provided with a second through hole 313 penetrating through the upper end surface and the lower end surface thereof, the powder-making cylinder 301 is positioned in the second through hole 313, and the outer diameter of the powder-making cylinder 301 is smaller than the inner diameter of the second through hole 313;
the second motor 317 is fixedly installed on the mounting plate 312, the second screw 315 is fixedly installed on a motor shaft of the second motor 317, the second screw 315 is rotatably installed on the mounting plate 312, and the second screw 315 is in threaded connection with the powder making cylinder 301;
the second screw 315 is connected with a second sleeve through threads, and the second sleeve is fixedly connected with the powder preparation cylinder 301;
the axis of the second screw 315 is perpendicular to the axis of the first screw 314, and the axis direction of the second screw 315 is perpendicular to the sliding direction of the mounting plate 312.
The first motor 316 is started to drive the first screw 314 to rotate, so that the mounting plate 312 can be driven to slide forwards and backwards, thereby adjusting the front and back positions of the powder making barrel 301, and facilitating the control of the front and back positions of the intersection point of the water outlet 306 of the water outlet assembly;
the second motor 317 is started to drive the second screw 315 to rotate, so that the powder making barrel 301 can be driven to move left and right, and the left and right positions of the powder making barrel 301 are adjusted, so that the left and right positions of the intersection point of the water outlet 306 of the water outlet assembly can be controlled conveniently.
In this embodiment, referring to fig. 5-6, the water outlet assembly includes a water outlet body 305, a water outlet hole 306, a hose 307, a second mounting cavity 308, a hydraulic oil accommodating cavity 309, a piston 310, and a connecting rod 311;
the lower part of the spray head body 302 is provided with a second installation cavity 308, the lower part of the second installation cavity 308 is communicated with the external space, and the second installation cavity 308 is positioned below the annular groove 303;
the water outlet member body 305 is rotatably installed in the second installation cavity 308, the rotation axis of the water outlet member body 305 is perpendicular to the axis of the molten metal drop hole 304, and the water outlet member body 305 is provided with a water outlet hole 306 penetrating through the upper end surface and the lower end surface thereof;
the spray head body 302 is further internally provided with a hydraulic oil accommodating cavity 309, the hydraulic oil accommodating cavity 309 is communicated with a second installation cavity 308, the axial direction of the hydraulic oil accommodating cavity 309 is perpendicular to the rotation axial direction of the water outlet member body 305, the piston 310 is slidably installed in the hydraulic oil accommodating cavity 309, and the hydraulic oil accommodating cavity 309 is communicated with an external oil path through a hydraulic oil pipe;
one end of the connecting rod 311 is hinged with the piston 310, the other end of the connecting rod 311 is hinged with the upper end surface of the water outlet member body 305, and the outer diameter of the connecting rod 311 is smaller than the outer diameter of the piston 310;
one end of the hose 307 is communicated with the annular groove 303, and the other end of the hose 307 is communicated with the water outlet 306.
The high-pressure water flows through the annular groove 303, the hose 307 and the water outlet 306, so as to be emitted, and the high-pressure water flows are converged to an intersection point, and the intersection point is positioned on the falling path of the molten metal;
the piston 310 can be driven to move inwards by extracting hydraulic oil from the hydraulic oil accommodating cavity 309 through an external oil way, so that the connecting rod 311 is driven to rotate anticlockwise, the water outlet member body 305 is driven to rotate anticlockwise, each water outlet assembly is regulated in this step, and therefore the upper and lower positions of the intersection point of the ejected high-pressure water flow can be regulated.
In this embodiment, referring to fig. 1 to 11, a lower opening of the powder making cylinder 301 is provided, a discharging pipe 501 is fixedly installed at the opening of the powder making cylinder 301, and an electromagnetic valve 502 is installed on the discharging pipe 501;
a liquid guide groove plate 503 is arranged below the discharging pipe 501.
The liquid guide groove plate 503 is a groove plate body internally provided with a liquid guide cavity, and the discharging pipe 501 is communicated with the liquid guide cavity and the powder making cylinder 301;
by arranging the discharging pipe 501, after powder preparation is completed, the electromagnetic valve 502 is opened, and the metal powder mixed liquid in the powder preparation cylinder 301 is guided into the liquid guide groove plate 503;
in this embodiment, the production apparatus further includes a powder storage tank 601, where the powder storage tank 601 is connected to the liquid guiding cavity through a powder pipe, and a powder extractor is disposed on the powder pipe, and the powder extractor may be a vacuum powder extractor, and is a common means for extracting powder, which is not illustrated in the drawing;
because the metal mixed powder of powder metallurgy contains more powder types, the powder additive which cannot be prepared by an atomization method is further included, a powder extractor is started, powder in the powder storage tank 601 is extracted into the liquid guide groove plate 503, other types of powder are added into the metal powder mixed solution, and the powder mixed solution are led into the drying box 401 together, so that powder metallurgy raw material powder is convenient to mix and prepare.
In this embodiment, referring to fig. 1 to 11, the drying unit includes a first hollow rotating column 402, a second hollow rotating column 403, a supporting plate 404, a cavity 405, a second rotating power element, a high-temperature medium inlet pipe 406 and a high-temperature medium outlet pipe 407;
the drying box 401 is a square drying tank, a first hollow rotating column 402 and a second hollow rotating column 403 are respectively and fixedly arranged at two opposite ends of the drying box 401, the axis of the first hollow rotating column 402 is coincident with the axis of the second hollow rotating column 403, and the first hollow rotating column 402 and the second hollow rotating column 403 are both rotatably arranged on a supporting plate 404;
the first hollow rotating column 402 and the second hollow rotating column 403 are rotatably mounted on a mounting seat through bearings, and the mounting seat is fixedly mounted on the supporting plate 404;
the first hollow rotating column 402 is communicated with one end of a liquid inlet pipe 412 through a rotating joint, the other end of the liquid inlet pipe 412 is communicated with the liquid guide groove plate 503, and the second hollow rotating column 403 is communicated with an exhaust pipe through a rotating joint;
a liquid pump can be arranged on the liquid inlet pipe 412, and only liquid is pumped by the liquid pump, which is not shown in the drawing, so that the metal powder mixed liquid in the liquid guide groove plate 503 is pumped into the drying box 401, and the exhaust pipe can be communicated with the air extractor to realize exhaust;
a cavity 405 is formed in the inner wall of the drying box 401, and the high-temperature medium liquid inlet pipe 406 and the high-temperature medium liquid outlet pipe 407 are both communicated with the cavity 405;
the second rotation power element provides rotation power for the first hollow rotation column 402 or the second hollow rotation column 403;
the second rotating power element can be a positive and negative motor, a first gear and a second gear, wherein the first gear is fixedly arranged on the second hollow rotating column 403, the first gear is meshed with the second gear, the second gear is fixedly arranged on a motor shaft of the positive and negative motor, and the positive and negative motor is fixedly arranged on the mounting seat;
by arranging the drying box 401 in a square shape, the mixed liquid can be better mixed due to the change of the liquid level when the drying box rotates, so that the metal powder can be better mixed;
the metal powder mixed liquid in the liquid guide groove plate 503 enters the drying box 401 through the first hollow rotating column 402, the high-temperature heat conduction oil enters the cavity 405 through the high-temperature medium liquid inlet pipe 406, and leaves the cavity 405 through the high-temperature medium liquid outlet pipe 407, so that the circulation of the high-temperature heat conduction oil is realized, the temperature in the drying box 401 is conveniently ensured, and meanwhile, water vapor generated by heating the metal powder mixed liquid is discharged through the second hollow rotating column 403, so that the drying process in the metal powder preparation is realized.
In this embodiment, referring to fig. 1-11, the drying unit further includes a metal powder outlet pipe 408, an opening and closing plate 409, and an opening and closing power element 411;
the metal powder outlet pipe 408 is fixedly arranged on the drying box 401, and the metal powder outlet pipe 408 is communicated with the drying box 401;
an opening and closing plate 409 is rotatably installed on the metal powder outlet pipe 408, and the opening and closing plate 409 is used for opening and closing the metal powder outlet pipe 408;
the opening and closing power element 411 provides a rotational opening and closing power for the opening and closing plate 409;
the opening and closing power element 411 may be an opening and closing cylinder, one end of the opening and closing cylinder is hinged on the drying box 401, the other end of the opening and closing cylinder is hinged on the opening and closing plate 409, the rotation axis of the opening and closing cylinder is parallel to the rotation axis of the opening and closing plate 409, and the opening and closing cylinder drives the opening and closing plate 409 to rotate when stretching, so as to drive the opening and closing plate 409 to open and close the metal powder outlet pipe 408;
the opening and closing power element may also be a motor, wherein the embodiment of the motor as the opening and closing power element 411 is not illustrated in the drawings, the motor drives a rotating shaft to rotate, the rotating shaft is fixedly installed on the opening and closing plate 409, and the rotating shaft is rotatably installed on the drying oven 401;
a collection frame may also be provided below the metal powder outlet tube 408 for collecting the metal powder in the drying oven 401.
In summary, in the application, when metal powder is produced, the door plate 106 is opened, the metal block is placed in the metal heater 205, the metal heater 205 and the molten metal heat retainer 201 are started, after the metal is melted, the metal heater 205 is rotated to enter the molten metal heat retainer 201, high-pressure water jet is generated through the communication hole 203, the liquid outlet 204, the first through hole 104 and the metal liquid falling hole 304 in sequence and through the water outlet 306, the molten metal liquid can be broken under the action of water flow, the metal mixed liquid enters the drying box 401 through the discharging pipe 501, the liquid guide groove plate 503, the liquid inlet pipe and the first hollow rotating column 402, and the drying box 401 is used for drying the metal mixed liquid, so that the preparation of the metal mixed powder is realized.
The above embodiments are merely illustrative of the principles of the present application and its effectiveness, and are not intended to limit the application. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the application. Accordingly, it is intended that all equivalent modifications and variations of the application be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (4)
1. An intelligent production device for metal powder, which is characterized by comprising,
the cabinet is arranged in the installation way,
the metal melting unit is arranged on the installation cabinet and comprises a plurality of metal melting assemblies and a molten metal heat retainer, a plurality of heat retaining cavities are formed in the molten metal heat retainer, the melting assemblies respectively correspond to the heat retaining cavities, a plurality of communication holes are formed in the bottom of the molten metal heat retainer, one ends of the communication holes are communicated with the heat retaining cavities, and the other ends of the communication holes are communicated with a liquid outlet of the molten metal heat retainer;
the water mist pulverizing unit is arranged on the installation cabinet and positioned below the liquid outlet of the molten metal heat insulator, and the water mist pulverizing unit sprays molten metal in a molten state;
the drying unit comprises a drying box, an outlet of the water mist pulverizing unit is communicated with the inside of the drying box, and the drying box is rotatably arranged;
the melting assembly comprises a metal heater and a first rotating power element;
the installation cabinet is internally provided with a sealing cavity, the molten metal heat insulator is fixedly installed in the sealing cavity, the installation cabinet is internally provided with a first installation cavity, and the first installation cavity is positioned below the sealing cavity;
the bottom wall of the sealing cavity is provided with a first through hole, the first through hole is communicated with the sealing cavity and the first mounting cavity, and the first through hole is positioned below a liquid outlet of the molten metal heat insulator; the upper part of the metal heater is provided with an opening, the metal heater is positioned above the molten metal heat retainer, the metal heater is rotatably arranged in the sealing cavity, and the first rotary power element provides rotary power for the metal heater;
the metal heater is driven by the first rotating power element to pour molten metal into the heat preservation cavity;
the water mist pulverizing unit comprises a pulverizing cylinder body, a nozzle body, an annular groove, a molten metal drop hole and a plurality of water outlet components;
the powder preparation cylinder is arranged in the first installation cavity and is communicated with a drying box of the drying unit;
the spray head body is fixedly arranged in the powder making cylinder, the molten metal falling hole is formed in the spray head body, the molten metal falling hole penetrates through the upper end face and the lower end face of the spray head body, and the central line of the molten metal falling hole coincides with the central line of the liquid outlet of the molten metal heat retainer;
the annular groove is formed in the spray head body and is communicated with an external waterway through a water inlet pipe penetrating through the spray head body;
the water outlet assemblies are arranged on the spray head body along the circular array of the axis of the molten metal falling hole, the water outlet assemblies are rotationally connected with the spray head body, one end of each water outlet assembly is communicated with the annular groove, the other end of each water outlet assembly is communicated with the external space, and the center line of the water outlet hole of each water outlet assembly is intersected with the center line of the molten metal falling hole;
the water mist pulverizing unit further comprises an adjusting component for adjusting the front, back, left and right positions of the pulverizing cylinder body, wherein the adjusting component comprises a mounting plate, a second through hole, a first screw rod, a second screw rod, a first motor and a second motor;
the mounting plate is slidably mounted in the first mounting cavity, the sliding direction of the mounting plate is perpendicular to the axial direction of the powder preparation cylinder, the first motor is fixedly mounted on the mounting cabinet, the first screw rod is rotatably mounted on the mounting cabinet, the first screw rod is fixedly mounted on a motor shaft of the first motor, the axial direction of the first screw rod is parallel to the sliding direction of the mounting plate, and the first screw rod is in threaded connection with the mounting plate;
the mounting plate is provided with a second through hole penetrating through the upper end face and the lower end face of the mounting plate, the powder preparation cylinder body is positioned in the second through hole, and the outer diameter of the powder preparation cylinder body is smaller than the inner diameter of the second through hole;
the second motor is fixedly arranged on the mounting plate, the second screw rod is fixedly arranged on a motor shaft of the second motor, the second screw rod is rotatably arranged on the mounting plate, the second screw rod is in threaded connection with the powder-making cylinder body, the axis of the second screw rod is perpendicular to the axis of the first screw rod, and the axis direction of the second screw rod is perpendicular to the sliding direction of the mounting plate;
the water outlet assembly comprises a water outlet piece body, a water outlet hole, a hose, a second installation cavity, a hydraulic oil accommodating cavity, a piston and a connecting rod;
the lower part of the spray head body is provided with a second installation cavity, the lower part of the second installation cavity is communicated with the external space, and the second installation cavity is positioned below the annular groove;
the water outlet piece body is rotatably arranged in the second mounting cavity, the rotation axis of the water outlet piece body is vertical to the axis of the molten metal falling hole, and the water outlet piece body is provided with a water outlet hole penetrating through the upper end face and the lower end face of the water outlet piece body;
the spray head body is internally provided with a hydraulic oil accommodating cavity which is communicated with a second installation cavity, the axial direction of the hydraulic oil accommodating cavity is vertical to the rotation axial direction of the water outlet piece body, the piston is slidably arranged in the hydraulic oil accommodating cavity, and the hydraulic oil accommodating cavity is communicated with an external oil way through a hydraulic oil pipe;
one end of the connecting rod is hinged with the piston, the other end of the connecting rod is hinged with the upper end face of the water outlet piece body, and the outer diameter of the connecting rod is smaller than that of the piston;
one end of the hose is communicated with the annular groove, and the other end of the hose is communicated with the water outlet;
the lower part of the powder making barrel is provided with an opening, a discharging pipe is fixedly arranged at the opening of the powder making barrel, and an electromagnetic valve is arranged on the discharging pipe;
a liquid guide trough plate is arranged below the discharge pipe;
the drying unit comprises a first hollow rotating column, a second hollow rotating column, a supporting plate, a cavity, a second rotating power element, a high-temperature medium liquid inlet pipe and a high-temperature medium liquid outlet pipe;
the drying box is a square drying tank, a first hollow rotating column and a second hollow rotating column are fixedly arranged at two opposite ends of the drying box respectively, the axis of the first hollow rotating column is coincident with that of the second hollow rotating column, and the first hollow rotating column and the second hollow rotating column are rotatably arranged on the supporting plate;
the first hollow rotating column is communicated with one end of a liquid inlet pipe through a rotating joint, the other end of the liquid inlet pipe is communicated with the liquid guide groove plate, and the second hollow rotating column is communicated with an exhaust pipe through a rotating joint;
the inner wall of the drying box is provided with a cavity, and the high-temperature medium liquid inlet pipe and the high-temperature medium liquid outlet pipe are both communicated with the cavity;
the second rotating power element provides rotating power for the first hollow rotating column or the second hollow rotating column.
2. The intelligent production equipment of metal powder according to claim 1, wherein the sealing cavity is communicated with an external gas path through an inert gas pipe.
3. The intelligent production device for metal powder according to claim 1, wherein the upper portion of the sealing cavity is provided with a feed inlet, and the mounting cabinet is rotatably provided with a door plate for opening and closing the feed inlet.
4. The intelligent production equipment of metal powder according to claim 1, wherein the drying unit further comprises a metal powder outlet pipe, an opening and closing plate and an opening and closing power element;
the metal powder outlet pipe is fixedly arranged on the drying box and is communicated with the drying box;
an opening and closing plate is rotatably arranged on the metal powder outlet pipe and is used for opening and closing the metal powder outlet pipe;
the opening and closing power element provides rotary opening and closing power for the opening and closing plate.
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| CN202310274442.4A CN115971501B (en) | 2023-03-21 | 2023-03-21 | Intelligent production equipment for metal powder |
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| CN202310274442.4A CN115971501B (en) | 2023-03-21 | 2023-03-21 | Intelligent production equipment for metal powder |
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| CN115971501B true CN115971501B (en) | 2023-11-07 |
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| CN115971501A (en) | 2023-04-18 |
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