CN114042919A - Device for preparing strong-toughness metal powder and using method thereof - Google Patents
Device for preparing strong-toughness metal powder and using method thereof Download PDFInfo
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- CN114042919A CN114042919A CN202111351579.2A CN202111351579A CN114042919A CN 114042919 A CN114042919 A CN 114042919A CN 202111351579 A CN202111351579 A CN 202111351579A CN 114042919 A CN114042919 A CN 114042919A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/045—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling
- B22F2009/046—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling by cutting
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Abstract
The invention discloses a device for preparing strong and tough metal powder and a using method thereof, belonging to the technical field of metal powder preparation. An apparatus for producing a tough metal powder comprising: the material conveying system, the material crushing system, the screening and powder collecting system and the supporting system are sequentially arranged from top to bottom; the material crushing system comprises: smash cavity, rotatory drum and crushing motor, rotatory drum outer wall is equipped with a plurality of blades and moves the sword, smashes cavity inner wall and is equipped with the blade stationary knife. When the crushing machine is used, a tough metal material enters the crushing cavity through the material conveying system, the crushing motor drives the rotating cylinder to rotate at a high speed after being started, so that the cutting edge moving blades on the outer wall of the rotating cylinder rotate synchronously, the cutting edge fixed blades are arranged on the inner wall of the crushing cavity, and the fixed cutting edge fixed blades and the rotating cutting edge moving blades are in shearing fit, so that the tough metal material is crushed, and the crushed powder is conveyed to the sieving and powder collecting system for sieving and collecting.
Description
Technical Field
The invention relates to the technical field of metal powder preparation, in particular to a device for preparing strong and tough metal powder and a using method thereof.
Background
The preparation of metal powder is the first link of powder metallurgy, and the production methods of powder are many, and mechanical crushing, atomization, reduction and electrolysis are widely applied in terms of industrial scale. The choice of metal powder production method depends on the raw material, the type of powder, the performance requirements of the powder material and the production efficiency of the powder, etc.
Mechanical comminution is an operation in which a bulk metal, alloy or compound is mechanically comminuted to a powder by crushing, grinding, shearing, or the like. The crushing apparatus commonly used is a jaw crusher, an impact crusher, a roll crusher, etc. suitable for coarse crushing or medium crushing, and such apparatuses generally crush mineral materials such as ores, rocks, coals, etc. by using impact, rolling, etc.; the method is suitable for a ball mill, a grinding mill, a jet mill and the like for fine crushing, and the equipment generally crushes materials such as minerals, ceramics, brittle alloys and the like by the action of extrusion, grinding, impact and the like.
Practice proves that the metal powder prepared by directly using a mechanical crushing method is more suitable for brittle materials, such as neodymium iron boron powder and the like. For tough metal materials, the crushing effect by adopting collision, extrusion and grinding is generally not ideal. In fact, the crushing of the material with high toughness is always a difficult problem for powder researchers at home and abroad. The materials are generally prepared by freezing them with liquid nitrogen to a temperature below the ductile-brittle transition temperature to a brittle state and then mechanically pulverizing them. The process has the disadvantages of high production cost, complex equipment system and unsuitability for industrialized popularization.
Disclosure of Invention
The invention aims to provide a device for preparing strong and tough metal powder and a using method thereof, and aims to solve the problem that the existing strong and tough metal powder is not ideal in crushing effect.
The technical scheme for solving the technical problems is as follows:
an apparatus for producing a tough metal powder comprising: the material conveying system, the material crushing system, the screening and powder collecting system and the supporting system are sequentially arranged from top to bottom;
the material crushing system comprises: the crushing cavity that communicates with material conveying system and screening collection powder system, be located the inside rotatory drum of crushing cavity and be located the crushing cavity outside and be connected with rotatory drum crushing motor, the outer wall of rotatory drum is close-packed to be provided with a plurality of blades and moves the sword, smashes the inner wall of cavity and is equipped with and moves sword matched with blade stationary knife with the blade.
The supporting system is used for supporting and fixing other systems, strong and tough metal materials enter the crushing cavity through an external material storage bin through a material conveying system, the crushing motor drives the rotary cylinder to rotate at a high speed after being started, so that the cutting edge moving blades on the outer wall of the rotary cylinder synchronously rotate, the cutting edge fixed blades are arranged on the inner wall of the crushing cavity, the fixed cutting edge fixed blades and the rotating cutting edge moving blades are in shearing fit, the strong and tough metal materials are crushed, and the crushed powder is sent to the sieving and powder collecting system for sieving and collecting.
Further, the above-mentioned material conveying system includes: vacuum treatment mechanism and set up the spiral feeding mechanism between vacuum treatment mechanism and crushing cavity, vacuum treatment mechanism includes: the device comprises a middle bin and a feeding bin which are communicated, wherein the top of the middle bin is respectively communicated with a conveying pipe and a vacuumizing pipe, a first control valve is arranged on the conveying pipe, a second control valve is arranged between the middle bin and the feeding bin, the bottom of the feeding bin is communicated with a spiral feeding mechanism, and a third control valve is arranged between the feeding bin and the spiral feeding mechanism.
The metal material enters the middle bin through the external material storage bin through the conveying pipe, the vacuumizing pipe is used for vacuumizing the middle bin and a cavity below the middle bin by external equipment, and the feeding bin is used for storing the vacuumized material, so that the material is fed at a constant speed through the spiral feeding mechanism. And a plurality of control valves are arranged, and when different control valves are in different on-off states, the control valves can be matched with the vacuumizing pipe to respectively vacuumize the middle bin and the cavity below the middle bin.
Further, the spiral feeding mechanism comprises: the spiral feeding pipe is communicated with the bottom of the feeding bin, the spiral feeding rod is arranged on the inner side of the spiral feeding pipe, and the feeding motor drives the spiral feeding rod to rotate and is positioned on the outer side of the spiral feeding pipe; the air feed pipe is obliquely arranged, and the end part close to the protective atmosphere hole is positioned at a high position.
According to the invention, the screw feeding rod is driven to rotate by the feeding motor, so that the materials fed out from the feeding bin sequentially and quantitatively enter the crushing cavity through the air feeding pipe, and the end part of the air feeding pipe is provided with the protective atmosphere hole for introducing the protective atmosphere in the metal crushing process, thereby performing anti-oxidation protection on the metal powder being crushed.
And the air feed pipe is obliquely arranged, so that the materials fed out by the spiral feeding pipe smoothly enter the crushing cavity under the action of gravity, the protective atmosphere hole is positioned at the end part far away from the crushing cavity, the materials in the air feed pipe can be pushed, and the protective atmosphere is conveniently and fully contacted with the metal materials to be crushed in the air feed pipe.
Further, above-mentioned screening collection powder system includes: a powder circulating pipe connected with the two ends of the bottom of the crushing cavity and a powder separating collector arranged on the powder circulating pipe.
The metal powder sent out by the crushing cavity is sent into a powder circulating pipe, the metal powder with proper size is collected by a powder separating collector through screening, and the rest powder is sent into the crushing cavity again through the powder circulating pipe for circular crushing.
Furthermore, the crushing cavity and the rotating cylinder are respectively in a circular truncated cone shape, and the inner diameter of one end of the crushing cavity, which is communicated with the material conveying system, is larger than that of the other end of the crushing cavity.
The rotary table-shaped crushing cavity and the rotary cylinder are arranged, so that the gas in the crushing cavity can be compressed, the airflow is gradually increased, the shearing effect of the cutting edge stationary knife and the cutting edge movable knife is superposed, the reasonable distribution of materials in the crushing cavity is facilitated, and the crushing efficiency is improved.
Furthermore, the distribution of the cutting edge moving cutters and the cutting edge fixed cutters on the rotating cylinder and the crushing cavity is gradually concentrated from the large-diameter end to the small-diameter end.
The movable cutting edge cutters and the fixed cutting edge cutters which are arranged densely and sparsely can correspond to the gradual increase of air flow in the crushing cavity, so that the reasonable distribution of materials is realized, and the crushing efficiency is improved.
Furthermore, the outer side of the crushing cavity is provided with a cooling water circulation cavity, the inclination of the side wall of the cooling water circulation cavity is matched with that of the crushing cavity, and the cooling water circulation cavity is provided with a water inlet pipe orifice and a water outlet pipe orifice respectively.
The cooling water circulation cavity is arranged, so that hot air flow generated in the rotation and shearing processes in the crushing cavity can be cooled, and the influence on powder quality caused by a large amount of heat is avoided.
Furthermore, a plurality of air supply fan blades are annularly arranged on the outer wall of one end, close to the material conveying system, of the rotating cylinder, spiral fan blades are further arranged on the outer wall of the rotating cylinder, and the spiral fan blades and the cutting edge movable blades are arranged at intervals.
The invention forms axial wind and axial force in the process of rotating along with the rotating cylinder by arranging the air supply fan blade and the spiral fan blade, pushes the material to move in the direction far away from the air supply pipe along the axial direction, and thereby improves the crushing efficiency of the material.
Further, the above-mentioned support system includes: the first support is located and smashes the cavity below and be located the second support of smashing the motor below, and the second support is connected with first support.
The crushing cavity and the crushing motor are respectively supported and fixed through the first support and the second support.
The device for preparing the strong and tough metal powder comprises the following steps:
s1: conveying the tough metal material to a material conveying system from an external storage bin;
s2: the material enters the crushing cavity through the material conveying system, and the crushing motor drives the rotating cylinder to rotate, so that the movable cutting edge cutter and the fixed cutting edge cutter are matched to shear the metal material;
s3: and screening the sheared metal powder by a screening and powder collecting system, collecting qualified metal powder, and continuously feeding unqualified coarse powder into a crushing cavity for circular crushing.
According to the invention, through specific method steps, the tough metal material is effectively sheared and crushed, meanwhile, the circular flow of air flow in the crushing cavity is realized, the unqualified coarse powder is brought into the crushing cavity again for circular crushing, and the screening efficiency is improved.
The invention has the following beneficial effects:
(1) the supporting system is used for supporting and fixing other systems, strong and tough metal materials enter the crushing cavity through the material conveying system, the crushing motor drives the rotating cylinder to rotate at a high speed after being started, so that the cutting edge moving blades on the outer wall of the rotating cylinder synchronously rotate, the cutting edge fixed blades are arranged on the inner wall of the crushing cavity, the fixed cutting edge fixed blades and the rotating cutting edge moving blades are in shearing fit, the strong and tough metal materials are crushed, and the crushed powder flows into the sieving and powder collecting system for sieving and collecting.
(2) The invention provides axial wind and axial force through the air supply fan blades and the spiral fan blades, pushes the materials to move along the axial direction, and promotes the materials to be continuously crushed.
(3) The invention compresses gas through the round table-shaped crushing cavity, increases airflow, and simultaneously corresponds to the dense arrangement of the movable cutters and the fixed cutters of the cutting edge, thereby promoting the reasonable distribution of materials.
(4) According to the invention, through specific method steps, the tough metal material is effectively sheared and crushed, meanwhile, the circular flow of air flow in the crushing cavity is realized, the unqualified coarse powder is brought into the crushing cavity again for circular crushing, and the screening efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for preparing a tough metal powder according to the present invention;
FIG. 2 is a schematic top view of an apparatus for producing tough metal powders according to the present invention;
FIG. 3 is a schematic front view of an apparatus for producing tough metal powders according to the present invention;
FIG. 4 is a schematic cross-sectional front view of an apparatus for producing tough metal powders in accordance with the present invention;
FIG. 5 is a schematic side view of an apparatus for producing tough metal powders according to the present invention;
FIG. 6 is a schematic cross-sectional side view of an apparatus for producing tough metal powders of the present invention;
FIG. 7 is a schematic view of the structure of the rotating cylinder of the present invention;
fig. 8 is a schematic front view of a rotating cylinder according to the present invention.
In the figure: 10-a material conveying system; 110-a vacuum treatment mechanism; 111-a middle bin; 112-a feeding bin; 113-a delivery pipe; 114-evacuation tube; 115-a first control valve; 116-a second control valve; 117-third control valve; 120-a spiral feeding mechanism; 121-a spiral feeding pipe; 122-a screw feed rod; 123-a feeding motor; 124-air feeding pipe; 125-protective atmosphere hole; 20-a material crushing system; 201-a crushing cavity; 202-rotating cylinder; 203-a crushing motor; 204-cutting edge moving knife; 205-cutting edge stationary knife; 206-cooling water circulation chamber; 207-water inlet pipe mouth; 208-outlet pipe orifice; 209-air supply fan blade; 210-helical fan blades; 30-screening and powder collecting system; 301-powder circulation pipe; 302-powder separation collector; 40-a support system; 401-a first support; 402-second support.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1 and 3, an apparatus for preparing tough metal powder includes: the material conveying system 10, the material crushing system 20, the screening and powder collecting system 30 and the supporting system 40 are arranged from top to bottom in sequence.
Referring to fig. 1, 3 and 4, a material delivery system 10 includes: a vacuum processing mechanism 110 and a screw feed mechanism 120 disposed between the vacuum processing mechanism 110 and the material reduction system 20. The vacuum processing mechanism 110 includes: the top of the intermediate bin 111 is respectively communicated with a material conveying pipe 113 and a vacuum pipe 114, the material conveying pipe 113 is externally connected with a material storage bin and is used for conveying to-be-crushed tough metal materials into the intermediate bin 111, and the vacuum pipe 114 is used for externally connecting vacuum equipment to carry out vacuum treatment on the intermediate bin 111 and other cavities below the intermediate bin 111, so that oxidation of to-be-crushed metals is avoided. The volume of the feeding bin 112 is far larger than that of the intermediate bin 111, and the whole device starts to operate after certain materials are accumulated in the feeding bin 112, so that the materials can be continuously conveyed to a subsequent cavity in the feeding bin 112, the shortage of the materials due to too low feeding speed of the intermediate bin 111 is avoided, and the continuous supply of the materials is realized. The first control valve 115 is arranged on the conveying pipeline 113, the second control valve 116 is arranged between the intermediate bin 111 and the feeding bin 112, the bottom of the feeding bin 112 is communicated with the spiral feeding mechanism 120, the third control valve 117 is arranged between the feeding bin 112 and the spiral feeding mechanism 120, and the plurality of control valves are arranged to be respectively used for controlling the on-off of corresponding loops, so that the vacuumizing operation is conveniently carried out by matching with the vacuumizing pipe 114, and a vacuum environment is provided.
Before the whole device is started, the first control valve 115 can be closed, and the second control valve 116 and the third control valve 117 can be opened respectively, so as to vacuumize the inner cavity of the whole device. When it is desired to evacuate the feed bin 112, the first control valve 115 and the third control valve 117 may be closed, leaving the second control valve 116 open. The metal material put into the intermediate bin 111 can be vacuumized, and only the first control valve 115 and the second control valve 116 need to be closed, so that the metal material just put into the intermediate bin 112 is prevented from bringing oxygen into the intermediate bin.
The screw feeding mechanism 120 includes: the feeding device comprises a spiral feeding pipe 121 communicated with the bottom of the feeding bin 112, a spiral feeding rod 122 arranged inside the spiral feeding pipe 121 and a feeding motor 123 driving the spiral feeding rod 122 to rotate and located outside the spiral feeding pipe 121, wherein the spiral feeding rod 122 can convey metal materials sent out from the bottom of the feeding bin 112 in an orderly and quantitative mode under the driving of the feeding motor 123. The end part of the spiral feeding pipe 121 far away from the feeding motor 123 is communicated with an air feeding pipe 124, the air feeding pipe 124 is obliquely arranged, one end communicated with the spiral feeding pipe 121 is located at a high position, and the other end of the air feeding pipe 124 is communicated with the material crushing system 20, so that metal materials conveyed by the spiral feeding pipe 121 can automatically enter the material crushing system 20 under the action of gravity inside the air feeding pipe 124. And the end of the air pipe 124 far away from the material crushing system 20 is provided with a protective atmosphere hole 125, so that the protective atmosphere can be conveniently introduced to push the material in the air pipe 124, and the protective atmosphere can be conveniently and fully contacted with the metal material to be crushed in the air pipe 124.
Referring to fig. 1, 4 and 6, the material pulverizing system 20 includes: the metal material crushing device comprises a crushing cavity 201 communicated with the air supply pipe 124, a rotating cylinder 202 located inside the crushing cavity 201 and a crushing motor 203 located outside the crushing cavity 201 and communicated with the rotating cylinder 202, wherein a plurality of cutting edge moving blades 204 are densely arranged on the outer wall of the rotating cylinder 202, a cutting edge fixed blade 205 in shearing fit with the cutting edge moving blades 204 is arranged inside the crushing cavity 201, and the cutting edge moving blades 204 rotate along with the rotating cylinder 202 under the driving action of the crushing motor 203 so as to be in shearing fit with the cutting edge fixed blade 205 to shear and crush metal materials in the crushing cavity 201.
The crushing cavity 201 and the rotating cylinder 202 are respectively in a round table shape, the outer diameter of one end, communicated with the air supply pipe 124, of the crushing cavity 201 is larger than that of the other end of the crushing cavity, the gas inside the crushing cavity 201 can be compressed, the airflow is gradually increased, the shearing effect of the air flow and the shearing effect of the cutting edge stationary knife 205 and the cutting edge movable knife 204 are overlapped, reasonable distribution of materials in the crushing cavity 201 is facilitated, and the crushing efficiency is improved. The cutting edge moving knife 201 and the cutting edge stationary knife 205 are distributed on the rotating cylinder 202 and the crushing cavity 201 gradually and densely from the large-diameter end to the small-diameter end. The movable blades 204 and the fixed blades 205 arranged densely and sparsely can be corresponding to the gradual increase of the airflow in the crushing cavity 201, so that the reasonable distribution of materials is realized, and the crushing efficiency is improved.
Referring to fig. 7 and 8, a plurality of air supply fan blades 209 are annularly arranged at the large-diameter end of the rotating cylinder 202, a spiral fan blade 210 is arranged on the outer wall of the rotating cylinder 202, the spiral fan blade 210 and the cutting edge moving blade 204 are arranged at intervals, and the air supply fan blades 209 and the spiral fan blade 210 form axial wind and axial force in the process of rotating along with the rotating cylinder 202 to push materials to move in the direction away from the air supply pipe 124 along the axial direction, so that the material crushing efficiency is further improved. The two ends of the rotating cylinder 202 are respectively provided with an extension rod, and are connected and fixed with the components on the two sides through bearings.
The outer side of the crushing cavity 201 is also provided with a cooling water circulation cavity 206, and the cooling water circulation cavity 206 is respectively provided with a water inlet pipe orifice 207 and a water outlet pipe orifice 208 for cooling hot air flow generated in the rotating and shearing processes in the crushing cavity 201, so that the influence on powder quality caused by a large amount of heat is avoided. Cooling water circulation chamber 206 is the loop configuration, smashes cavity 201 and is located the annular inboard in cooling water circulation chamber 206, is provided with the protective housing in the outside in cooling water circulation chamber 206, smashes cavity 201 and cooling water circulation chamber 206 and is connected fixedly through certain fixed knot structure and protective housing respectively.
Referring to fig. 1, 2, 4 and 5, the sifting collection system 30 includes: the powder circulating pipe 301 and the powder separating collector 302 are arranged on the powder circulating pipe 301, the powder separating collector 302 is used for screening metal powder flowing in the powder circulating pipe 301 and collecting qualified metal powder, and unqualified metal powder can enter the crushing cavity 201 again through the powder circulating pipe 301 to be circularly crushed until the metal powder is qualified.
The support system 40 includes: a first support 401 under the pulverizing chamber 201 and a second support 402 under the pulverizing motor 203, the second support 402 being connected to the first support 401. The whole device is placed on the ground through a first support 401 and a second support 402 for supporting and fixing.
The device for preparing the strong and tough metal powder comprises the following steps:
s1: conveying the tough metal materials to the material conveying system 10 from the external storage bin;
s2: the material enters the crushing cavity 201 through the material conveying system 10, and the crushing motor 203 drives the rotating cylinder 202 to rotate, so that the cutting edge moving knife 204 and the cutting edge fixed knife 205 are matched to shear the metal material;
s3: the sheared metal powder is screened by the screening and powder collecting system 30, qualified metal powder is collected, and unqualified coarse powder is continuously sent into the crushing cavity 201 for circular crushing.
According to the invention, the tough metal material is effectively sheared and crushed through specific method steps, meanwhile, the circular flow of the airflow in the crushing cavity 201 is realized, the unqualified coarse powder is brought into the crushing cavity 201 again for circular crushing, and the screening efficiency is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An apparatus for producing a tough metal powder, comprising: the material conveying system (10), the material crushing system (20), the screening and powder collecting system (30) and the supporting system (40) are sequentially arranged from top to bottom;
the material comminution system (20) comprises: with material conveying system (10) with smash cavity (201), the position that sieves collection powder system (30) intercommunication smash inside rotatory drum (202) of cavity (201) and be located smash the cavity (201) outside and with crushing motor (203) that rotatory drum (202) are connected, the outer wall of rotatory drum (202) is close-packed to be provided with a plurality of blades and moves sword (204), the inner wall of smashing cavity (201) be equipped with blade move sword (204) matched with blade stationary knife (205).
2. The apparatus for producing tough metal powder according to claim 1, wherein the material conveying system (10) comprises: a vacuum treatment mechanism (110) and a screw feeding mechanism (120) arranged between the vacuum treatment mechanism (110) and the crushing cavity (201), wherein the vacuum treatment mechanism (110) comprises: the device comprises an intermediate bin (111) and a feeding bin (112) which are communicated, wherein the top of the intermediate bin (111) is respectively communicated with a conveying pipe (113) and an evacuation pipe (114), a first control valve (115) is arranged on the conveying pipe (113), a second control valve (116) is arranged between the intermediate bin (111) and the feeding bin (112), the bottom of the feeding bin (112) is communicated with a spiral feeding mechanism (120), and a third control valve (117) is arranged between the feeding bin (112) and the spiral feeding mechanism (120).
3. The apparatus for producing tough metal powder according to claim 2, wherein the screw feeding mechanism (120) comprises: the feeding device comprises a spiral feeding pipe (121) communicated with the bottom of the feeding bin (112), a spiral feeding rod (122) arranged on the inner side of the spiral feeding pipe (121), and a feeding motor (123) driving the spiral feeding rod (122) to rotate and located on the outer side of the spiral feeding pipe (121), wherein an air feeding pipe (124) is communicated with the end part, far away from the feeding motor (123), of the spiral feeding pipe (121), the air feeding pipe (124) is communicated with the crushing cavity (201), and a protective atmosphere hole (125) is formed in the end part, far away from the crushing cavity (201), of the air feeding pipe (124); the air supply pipe (124) is arranged obliquely and is positioned at a high position close to the end of the protective atmosphere hole (125).
4. The apparatus for producing tough metal powders according to claim 1, wherein the screen dust collecting system (30) comprises: the powder separation device comprises a powder circulating pipe (301) connected with two ends of the bottom of the crushing cavity (201) and a powder separation collector (302) arranged on the powder circulating pipe (301).
5. The apparatus for preparing tough metal powder according to claim 1, wherein the pulverization chamber (201) and the rotation cylinder (202) are respectively in a circular truncated cone shape, and the inner diameter of one end of the pulverization chamber (201) communicating with the material transport system (10) is larger than that of the other end thereof.
6. The device for preparing the tough metal powder according to claim 5, wherein the distribution of the cutting edge moving blade (204) and the cutting edge fixing blade (205) on the rotating cylinder (202) and the crushing cavity (201) is gradually concentrated from a large-diameter end to a small-diameter end.
7. The device for preparing the tough metal powder according to claim 5, wherein a cooling water circulation cavity (206) is arranged outside the crushing cavity (201), the inclination of the side wall of the cooling water circulation cavity (206) is matched with that of the crushing cavity (201), and the cooling water circulation cavity (206) is respectively provided with a water inlet pipe orifice (207) and a water outlet pipe orifice (208).
8. The device for preparing the tough metal powder according to claim 5, wherein a plurality of air supply fan blades (209) are annularly arranged on the outer wall of one end of the rotating cylinder (202) close to the material conveying system (10), the outer wall of the rotating cylinder (202) is further provided with spiral fan blades (210), and the spiral fan blades (210) and the cutting edge moving blades (204) are arranged at intervals.
9. The apparatus for producing tough metal powder according to any one of claims 1 to 8, wherein the support system (40) comprises: the crushing device comprises a first support (401) and a second support (402), wherein the first support (401) is positioned below the crushing cavity (201), the second support (402) is positioned below the crushing motor (203), and the second support (402) is connected with the first support (401).
10. The use method of the device for preparing the tough metal powder is characterized in that the device for preparing the tough metal powder, which is disclosed by any one of the claims 1 to 9, is adopted, and comprises the following steps:
s1: conveying tough metal material into the material conveying system (10);
s2: the material enters the crushing cavity (201) through the material conveying system (10), and the crushing motor (203) drives the rotating cylinder (202) to rotate, so that the cutting edge movable knife (204) and the cutting edge fixed knife (205) are matched to shear the metal material;
s3: and screening the sheared metal powder by the screening and powder collecting system (30), collecting qualified metal powder, and continuously feeding unqualified coarse powder into the crushing cavity (201) for circular crushing.
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| CN202111351579.2A CN114042919A (en) | 2021-11-16 | 2021-11-16 | Device for preparing strong-toughness metal powder and using method thereof |
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| CN202111351579.2A CN114042919A (en) | 2021-11-16 | 2021-11-16 | Device for preparing strong-toughness metal powder and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433850A (en) * | 2022-02-16 | 2022-05-06 | 安徽南欧金属有限公司 | Metal powder production and processing technology |
| CN116618664A (en) * | 2023-04-30 | 2023-08-22 | 蓝山县吉龙粉体制造有限公司 | Manufacturing device for metal powder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4018633A (en) * | 1975-11-19 | 1977-04-19 | Ford Motor Company | Cryogenic metal chip reclamation |
| CN104941772A (en) * | 2015-06-16 | 2015-09-30 | 顾广才 | High-efficiency crusher for ceramic production |
| CN111745163A (en) * | 2020-06-23 | 2020-10-09 | 孙忠玲 | Metal powder preparation device |
| CN212682431U (en) * | 2020-06-01 | 2021-03-12 | 西峡县泰祥实业有限公司 | Metal powder grinds water cooling and nitrogen protection device that leads to |
| CN214046730U (en) * | 2020-12-01 | 2021-08-27 | 安徽信息工程学院 | Forage grinder |
| CN214545780U (en) * | 2020-12-31 | 2021-11-02 | 福建省新闽科生物科技开发有限公司 | Multistage crushing and drying feed device |
-
2021
- 2021-11-16 CN CN202111351579.2A patent/CN114042919A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4018633A (en) * | 1975-11-19 | 1977-04-19 | Ford Motor Company | Cryogenic metal chip reclamation |
| CN104941772A (en) * | 2015-06-16 | 2015-09-30 | 顾广才 | High-efficiency crusher for ceramic production |
| CN212682431U (en) * | 2020-06-01 | 2021-03-12 | 西峡县泰祥实业有限公司 | Metal powder grinds water cooling and nitrogen protection device that leads to |
| CN111745163A (en) * | 2020-06-23 | 2020-10-09 | 孙忠玲 | Metal powder preparation device |
| CN214046730U (en) * | 2020-12-01 | 2021-08-27 | 安徽信息工程学院 | Forage grinder |
| CN214545780U (en) * | 2020-12-31 | 2021-11-02 | 福建省新闽科生物科技开发有限公司 | Multistage crushing and drying feed device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433850A (en) * | 2022-02-16 | 2022-05-06 | 安徽南欧金属有限公司 | Metal powder production and processing technology |
| CN114433850B (en) * | 2022-02-16 | 2023-09-12 | 安徽南欧金属有限公司 | Metal powder production and processing technology |
| CN116618664A (en) * | 2023-04-30 | 2023-08-22 | 蓝山县吉龙粉体制造有限公司 | Manufacturing device for metal powder |
| CN116618664B (en) * | 2023-04-30 | 2024-01-26 | 蓝山县吉龙粉体制造有限公司 | Manufacturing device for metal powder |
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