CN114029000A - Electric spark powder preparation device with rotary multi-ring curved surface electrode - Google Patents
Electric spark powder preparation device with rotary multi-ring curved surface electrode Download PDFInfo
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- CN114029000A CN114029000A CN202111439267.7A CN202111439267A CN114029000A CN 114029000 A CN114029000 A CN 114029000A CN 202111439267 A CN202111439267 A CN 202111439267A CN 114029000 A CN114029000 A CN 114029000A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/10—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in stationary drums or troughs, provided with kneading or mixing appliances
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/14—Making metallic powder or suspensions thereof using physical processes using electric discharge
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Abstract
The invention provides an electric spark powder preparation device with a rotary multi-ring curved surface electrode, and relates to the field of metal powder and related compound preparation equipment. The device includes reaction barrel, rotary mechanism, rotatory ring electrode and fixed ring electrode, and rotary mechanism includes the rotatory driving piece and the rotary disk that the transmission is connected, and the upper portion of reaction barrel is located to the rotary disk lid, and rotatory ring electrode is connected with the rotary disk, and fixed ring electrode is connected with the reaction barrel, and one in rotatory ring electrode and the fixed ring electrode is the positive pole, and another is the negative pole, and rotatory ring electrode inserts the inboard or the outside of locating fixed ring electrode. This application changes traditional shaft-like electrode into the annular to utilize the rotation of rotatory ring electrode to replace traditional stirring, this application reaction zone is bigger, and the contact of electrode and block raw materials is abundanter, and the collision probability between the block also promotes greatly, is favorable to raising the efficiency and productivity, thereby has realized big batch, efficient preparation superfine powder.
Description
Technical Field
The invention relates to the field of metal powder and related compound preparation equipment, in particular to an electric spark powder preparation device with a rotary multi-ring curved surface electrode.
Background
The preparation method of the powder material is various, and comprises a mechanical method, a physical method, a physicochemical method and the like. Among them, the spark erosion method is an important powder preparation method, and the principle of the spark erosion method is to erode a conductive member by using thermoelectric energy through a spark rapidly generated between a non-contact electrode and a workpiece to achieve a predetermined processing requirement on the size, shape and surface quality of the workpiece. The electric spark erosion method can prepare superfine metal or alloy powder, and the method has the advantages of simple and convenient operation, good sphericity of the prepared powder, fine particles, basically no pollution to the material and the like, and has wide development and application prospects in the aspect of preparation of powder materials.
At present, the device for preparing powder material by electric spark erosion mainly comprises a rod-shaped device and a vibration barrel device. However, the efficiency of preparing powder by using a rod-shaped device is low, about 1g/h, and the rod-shaped device cannot meet the requirement of industrial production at all and is generally used for experimental research. The barreled oscillation device has high production efficiency and can be widely applied to industrial production. However vibrate barreled and put preparation superfine iron powder, need vibrate the bucket and constantly vibrate and spill the powder that obtains through the filter screen that is located the staving, nevertheless vibrate the bucket and vibrate the in-process and cause electrode contact failure easily and make the electrode melt and corrode to reduce the life of electrode.
The electric spark powder preparation device has the advantages of low processing speed, low efficiency and small area of a rod-shaped electrode working platform, so that the quantity of samples which can be prepared is limited, and the use of electric spark powder preparation equipment is further limited.
In view of this, the present application is specifically made.
Disclosure of Invention
The invention aims to provide an electric spark powder preparation device with a rotary multi-ring curved surface electrode.
Embodiments of the invention may be implemented as follows:
in a first aspect, the invention provides an electric spark powder preparation device with a rotary multi-ring curved surface electrode, which comprises a reaction barrel, a rotary mechanism, a rotary ring electrode and a fixed ring electrode, wherein the rotary mechanism comprises a rotary driving piece and a rotary disk, the rotary disk is in transmission connection with the rotary driving piece, the rotary disk cover is arranged at the upper part of the reaction barrel, the rotary ring electrode is connected with the rotary disk, the fixed ring electrode is connected with the reaction barrel, any one of the rotary ring electrode and the fixed ring electrode is a positive electrode, the other one of the rotary ring electrode and the fixed ring electrode is a negative electrode, and the rotary ring electrode is inserted into the inner side or the outer side of the fixed ring electrode.
In an alternative embodiment, the rotating ring electrode and the fixed ring electrode are both multiple and interdigitated.
In an optional embodiment, the electric spark powder preparation device with the rotating multi-ring curved surface electrode further includes a first pole plate and a second pole plate, the rotating disk is provided with a plurality of first through holes and second through holes for the conductive pipes to pass through, the conductive pipe of the first pole plate is connected with the rotating ring electrode through the first through hole, and the conductive pipe of the second pole plate is connected with the fixed ring electrode through the second through hole.
In an alternative embodiment, a power supply clip is arranged on the lower surface of the rotating disc corresponding to the first through hole, a power supply brush is arranged corresponding to the second through hole, one end of the power supply clip is connected with the first pole disc, and the other end of the power supply clip clamps the rotating ring-shaped electrode; one end of the power supply brush is connected with the second pole plate, and the other end of the power supply brush is in contact with the fixed annular electrode to supply power to the fixed annular electrode.
In an optional embodiment, a connecting shaft is arranged on the rotating disc, the connecting shaft is connected with the rotating driving piece, and the first pole plate and the second pole plate are both fixedly connected with the connecting shaft.
In an optional embodiment, an ultrasonic transducer is arranged on the side wall of the reaction barrel, an ultrasonic power supply is arranged outside the reaction barrel, and the ultrasonic transducer is electrically connected with the ultrasonic power supply;
preferably, the number of the ultrasonic transducers is multiple and is distributed at intervals along the axial direction of the reaction barrel;
preferably, the ultrasonic transducer is a radial ultrasonic transducer or an axial ultrasonic transducer.
In an alternative embodiment, the reaction barrel and the rotating disk are both made of an insulating material.
In an optional embodiment, the electric spark powder preparation device with the rotating multi-ring curved surface electrode further comprises a collecting mechanism located below the reaction barrel and used for collecting the ultrafine powder, wherein a filtering base plate is arranged at the bottom of the reaction barrel, and the filtering base plate corresponds to the collecting mechanism.
In an alternative embodiment, a fixing clip for mounting the fixed ring electrode is provided on the filter base plate, and the fixed ring electrode is connected with the fixing clip.
In an optional embodiment, the collecting mechanism comprises a collecting box, a lifting frame and a base, the collecting box is arranged on the lifting frame, the lifting frame is arranged on the base, and the lower part of the reaction barrel extends into the collecting box and is suspended on the collecting box.
The beneficial effects of the embodiment of the invention include, for example:
the application provides an electric spark powder preparation facilities with rotatory multiple ring curved surface electrode is through setting up rotatory ring electrode and fixed ring electrode, change traditional shaft electrode into the annular, and rotatory ring electrode inserts the inboard or the outside of locating fixed ring electrode, make the clearance between the annular curved surface of rotatory ring electrode and fixed ring electrode all regard as reaction zone, reaction zone is bigger, the contact of electrode and block raw materials is abundanter, rotatory ring electrode and fixed ring electrode also promote greatly with the collision probability of block raw materials, be favorable to arousing more bad contacts, make to produce electric arc and electric spark and between the material, and then form more discharge passage, produce the electrothermal corrosion and remove the phenomenon, effectively raise the efficiency and productivity. In addition, because traditional stirring mode can't go on between ring and ring, and rotatory ring electrode can rotate with the rotary disk in the lump under the drive of rotation driving piece in this application, and the rotation of rotatory ring electrode can replace traditional stirring, has effectively increased the collision probability of block raw materials, has further promoted efficiency to realized big batch, efficient preparation superfine powder.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of an electric spark powder preparation device with a rotating multi-ring curved surface electrode provided by the present application;
FIG. 2 is a schematic structural diagram of a filter base plate of the electric spark powder preparation device with a rotating multi-ring curved surface electrode provided by the present application;
fig. 3 is a schematic structural diagram of the electric spark powder preparation device with a rotating multi-ring curved surface electrode provided by the present application when a reaction barrel, a motor assembly and a rotating mechanism are matched;
FIG. 4 is a schematic structural diagram of an electric spark powder preparation device with a rotating multi-ring curved surface electrode, wherein a rotating ring electrode is fixed on a rotating disk;
FIG. 5 is a schematic structural diagram of a fixed ring electrode of the electric spark powder preparation device with a rotating multi-ring curved surface electrode provided by the present application fixed to a filter base plate;
FIG. 6 is a schematic structural diagram of an electric spark powder preparation device with a rotating multi-ring curved surface electrode according to the present application when a rotating ring electrode and a fixed ring electrode are combined;
fig. 7 is a schematic structural diagram of a rotating mechanism of the electric spark powder preparation device with a rotating multi-ring curved surface electrode provided by the present application at a first viewing angle;
fig. 8 is a schematic structural diagram of a rotating mechanism of the electric spark powder preparation device with a rotating multi-ring curved surface electrode provided by the present application at a second viewing angle;
fig. 9 is a schematic structural diagram of an ultrasonic transducer of the electric spark powder preparation apparatus with a rotating multi-ring curved surface electrode provided in the present application.
Icon: 100-an electric spark powder preparation device with a rotary multi-ring curved surface electrode; 110-a reaction barrel; 111-a filtration chassis; 112-a retaining clip; 120-an electrode assembly; 121-rotating ring electrode; 122 — stationary ring electrode; 123-a first pole disk; 124-a second pole disk; 125-first connector; 126-a second stub; 130-a rotation mechanism; 131-a rotary drive; 132-a rotating disc; 133-a connecting shaft; 134-a first via; 135-a second through hole; 136-a power clip; 137-supply brush; 140-an ultrasonic transducer; 150-a collection mechanism; 151-collection box; 152-a lifting frame; 153-base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Examples
Referring to fig. 1 to 9, the present embodiment provides an electric spark powder preparing apparatus 100 having a rotating multi-ring curved electrode, which includes a reaction barrel 110, an electrode assembly 120, a rotating mechanism 130, an ultrasonic transducer 140, and a collecting mechanism 150.
In the present application, the reaction tub 110 is used to accommodate the electrode assembly 120 and the metal or alloy in a block shape to prepare an ultra-fine metal or alloy powder. In the present application, the reaction barrel 110 is a cylindrical structure and made of an insulating material, a filtering bottom plate 111 (see fig. 2) is disposed at the bottom of the reaction barrel, the filtering bottom plate 111 is connected to the sidewall of the reaction barrel 110 by bolts, and a plurality of filtering holes are disposed on the filtering bottom plate 111. After the reaction of the block-shaped raw material in the reaction barrel 110, the block-shaped raw material may be discharged from the filter holes of the filter base plate 111 into the collection mechanism 150 for collection.
Referring to fig. 3, 4, 5 and 6, the electrode assembly 120 includes a rotating ring electrode 121, a fixed ring electrode 122, a first pole plate 123, a second pole plate 124, a first contact 125 and a second contact 126. The rotating ring electrode 121, the first pole plate 123 and the second pole plate 124 are all connected to the rotating mechanism 130, the fixed ring electrode 122 is connected to the bottom of the reaction barrel 110, specifically, the filter base plate 111 is provided with a fixing clamp 112 for installing the fixed ring electrode 122, and the fixed ring electrode 122 is connected to the fixing clamp 112.
The first pole disk 123 is connected to the first post 125, the first pole disk 123 is connected to the rotating ring electrode 121 to realize power supply to the rotating ring electrode 121, the second pole disk 124 is connected to the second post 126, and the second pole disk 124 is connected to the fixed ring electrode 122 to realize power supply to the fixed ring electrode 122. Any one of the rotary ring electrode 121 and the fixed ring electrode 122 is a positive electrode, and the other is a negative electrode, that is, the rotary ring electrode 121 and the fixed ring electrode 122 can be a positive electrode or a negative electrode, and when the rotary ring electrode 121 is a positive electrode, the fixed ring electrode 122 is a negative electrode; when the rotating ring electrode 121 is a negative electrode, the fixed ring electrode 122 is a positive electrode; the rotation and fixation of the positive electrode and the negative electrode can be replaced according to actual needs.
In the present application, the rotating ring electrode 121 is inserted inside or outside the fixed ring electrode 122. Preferably, the rotating ring electrode 121 and the fixed ring electrode 122 are each plural and interdigitated. Specifically, in the present embodiment, there are two rotating ring electrodes 121 and three fixed ring electrodes 122, and the two rotating ring electrodes 121 are inserted between the three fixed ring electrodes 122.
Referring to fig. 7, the rotating mechanism 130 includes a rotating driver 131, a rotating disc 132 and a connecting shaft 133, the rotating disc 132 is in transmission connection with the rotating driver 131, two ends of the connecting shaft 133 are respectively connected with the rotating driver 131 and the rotating disc 132, and the rotating disc 132 is made of an insulating material and directly covers the upper portion of the reaction barrel 110. In this application, the rotating ring electrode 121 is connected to the rotating disc 132, the first pole plate 123 and the second pole plate 124 are both fixedly connected to the connecting shaft 133, the rotating member 131 can drive the connecting shaft 133 and the rotating disc 132 connected to the connecting shaft 133 to rotate together, the first pole plate 123 and the second pole plate 124 rotate along with the connecting shaft 133, and the rotating ring electrode 121 rotates along with the rotating disc 132.
Referring to fig. 8, the rotating disk 132 is provided with a plurality of first through holes 134 and second through holes 135 for the conductive pipes to pass through, the conductive pipe of the first pole disk 123 is connected to the rotating ring electrode 121 through the first through hole 134, and the conductive pipe of the second pole disk 124 is connected to the fixed ring electrode 122 through the second through hole 135. Specifically, a power supply clip 136 is disposed on the lower surface of the rotating disk 132 corresponding to the first through hole 134, a power supply brush 137 is disposed on the lower surface corresponding to the second through hole 135, one end of the power supply clip 136 is connected to the first pole plate 123, and the other end thereof clamps the rotating ring electrode 121; one end of the power supply brush 137 is connected to the second pole plate 124, and the other end is in contact with the stationary ring electrode 122 to supply power to the stationary ring electrode 122. The ingenious application of power supply clamp 136 and power supply brush 137 has solved traditional circuit and has required complicated wiring when making the electrode rotate, and this application wiring mode is simple, and the operation is easier, and power supply clamp 136 and power supply brush 137 can last and stable power supply, and the effect is good.
The structure of the rotary driving member 131 in this application is various, including but not limited to a motor, a gear, a friction wheel, etc., wherein the motor can be directly connected to the connecting shaft 133 to drive the connecting shaft 133 and the rotary disk 132 to rotate, and the gear and the friction wheel can be disposed on the connecting shaft 133 to drive the connecting shaft 133 to rotate by an external driving wheel (e.g., a driving gear, a driving friction wheel, a driving chain, etc.). In the present embodiment, a servo motor is preferably used as the rotary driving member 131 to drive the connecting shaft 133 and the rotary disk 132.
Referring to fig. 9, the ultrasonic transducer 140 is used for performing ultrasonic vibration and ultrasonic cavitation in the reaction barrel 110, the arrangement of the ultrasonic transducer 140 is beneficial to improving vibration between the block raw materials and mutual collision between the block raw materials, and meanwhile, the ultrasonic cavitation can also realize poor contact between the block raw materials so as to accelerate mutual collision and poor contact between the materials in the reaction barrel 110 and the electrodes, when a circuit has poor contact, poor contact can be generated so as to form more discharge channels, electric arcs and electric sparks are generated to generate an electrothermal erosion phenomenon, and the efficiency and the yield are further beneficial to improvement. In the present application, the ultrasonic transducer 140 is connected to an outer surface of the reaction barrel 110, an ultrasonic power source (not shown) is disposed outside the reaction barrel 110, and the ultrasonic transducer 140 is electrically connected to the ultrasonic power source. In the present application, the number of the ultrasonic transducers 140 is plural and is distributed at intervals along the axial direction of the reaction barrel 110; any two adjacent ultrasonic transducers 140 are connected by a wire. Preferably, the ultrasonic transducer 140 may be an axial ultrasonic transducer or a radial ultrasonic transducer.
The collecting mechanism 150 is located below the reaction barrel 110 and is used for collecting the ultrafine powder discharged from the reaction barrel 110, and the filtering base plate 111 at the bottom of the reaction barrel 110 corresponds to the collecting mechanism 150. The collecting mechanism 150 comprises a collecting box 151, a lifting frame 152 and a base 153, wherein the collecting box 151 is arranged on the lifting frame 152, the lifting frame 152 is arranged on the base 153, and the lower part of the reaction barrel 110 extends into the collecting box 151 and is suspended on the collecting box 151.
The electric spark powder preparation device 100 with the rotary multi-ring curved surface electrode has the following working principle: the rotary ring electrode 121 connected to the rotary disk 132 and the rotary disk 132 is lifted up, the block-shaped raw materials are put between the fixed ring electrodes 122 of the reaction vessel 110, the block-shaped raw materials are kept as uniformly as possible when being put in, and then the rotary ring electrode 121 connected to the rotary disk 132 and the rotary disk 132 is put down, the rotary disk 132 is placed on the upper portion of the reaction vessel 110, and the lower portion of the rotary ring electrode 121 is inserted between the block-shaped raw materials. During reaction, the rotating driving member 131 drives the connecting shaft 133 and the rotating disc 132 to rotate, at this time, the first pole plate 123 and the second pole plate 124 connected to the connecting shaft 133 and the rotating ring electrode 121 connected to the rotating disc 132 rotate synchronously, the conductive pipe of the first pole plate 123 passes through the first through hole 134 and is connected to the power supply clamp 136, the power supply clamp 136 rotates synchronously with the rotating ring electrode 121 and supplies power continuously and stably, the conductive pipe of the second pole plate 124 passes through the second through hole 135 and is connected to the power supply brush 137, the power supply brush 137 contacts with the fixed ring electrode 122 and rotates along the upper portion of the fixed ring electrode 122, and the power supply brush 137 supplies power continuously and stably to the fixed ring electrode 122. At this time, the electric sparks rapidly generated between the rotary ring electrode 121 and the stationary ring electrode 122 and the raw material in a lump shape accomplish the processing of the raw material in a lump shape to prepare the ultra fine metal or alloy powder.
The metal powder is prepared in the form of interdigital arrangement of the rotating ring electrode 121 and the fixed ring electrode 122, and compared with the traditional point-to-point or barrel-shaped device, the metal powder preparation device has higher efficiency, yield and collision probability of materials. In addition, traditional stirring mode can't be in the regional work between ring and the ring, and this application directly utilizes rotary mechanism 130 to drive rotatory ring electrode 121 and rotates, and rotatory ring electrode 121 not only plays the effect of electrode, still plays the effect of rotatory stirring, and the collision probability of increase block raw materials has further promoted efficiency for this application has higher efficiency and simpler and easier structure. Further, the arrangement of the rotary ring electrode 121, the power supply clamp 136 and the power supply brush 137 skillfully solves the problem of complex wiring of the rotation of the traditional circuit electrode. This application is still through setting up ultrasonic transducer 140 on the lateral wall at reaction barrel 110, and ultrasonic transducer 140 is supplementary to be compared with traditional supersound and has better vibration effect and cavitation, makes the contact between the bold more violent, and material and electrode's collision each other and bad contact in the acceleration reaction barrel 110, and then improve reaction efficiency and productivity. The electric spark powder preparation device 100 with the rotating multi-ring curved surface electrode provided by the application can prepare powder materials with wide range, including but not limited to various inorganic powders, such as: oxides of metals and their alloys, various compounds, and the like.
To sum up, the electric spark powder preparation facilities 100 with rotatory multiple ring curved surface electrode that this application provided is through setting up rotatory ring electrode 121 and fixed ring electrode 122, change traditional rod electrode into the annular, and rotatory ring electrode 121 inserts the inboard or the outside of locating fixed ring electrode 122, make the clearance between the annular curved surface of rotatory ring electrode 121 and fixed ring electrode 122 all regard as reaction zone, reaction zone is bigger, rotatory ring electrode 121 and fixed ring electrode 122 also promote greatly with the collision probability of cubic raw materials, be favorable to arousing more bad contacts, make and produce electric arc and electric spark between the material, and then form more discharge channels, produce the electrothermal corrosion and remove the phenomenon, effectively raise efficiency and productivity. In addition, because traditional stirring mode can't go on between ring and ring, and rotatory ring electrode 121 can rotate with rotary disk 132 in the lump under the drive of rotation driving piece 131 in this application, and the rotation of rotatory ring electrode 121 can replace traditional stirring, has effectively increased the collision probability of block raw materials, has further promoted efficiency to realize big batch, efficient preparation superfine powder.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides an electric spark powder preparation facilities with rotatory polycyclic curved surface electrode, its characterized in that, it includes reaction barrel, rotary mechanism, rotatory ring electrode and fixed ring electrode, rotary mechanism includes rotation driving piece and rotary disk, the rotary disk with rotation driving piece transmission is connected, rotatory dish lid is located the upper portion of reaction barrel, rotatory ring electrode with the rotary disk is connected, fixed ring electrode with the reaction barrel is connected, rotatory ring electrode with in the fixed ring electrode arbitrary one be the positive pole, another is the negative pole, rotatory ring electrode inserts and locates the inboard or the outside of fixed ring electrode.
2. The device for preparing electric spark powder with the rotating multi-ring curved surface electrode according to claim 1, wherein the rotating ring electrode and the fixed ring electrode are both multiple and arranged in an interdigital manner.
3. The electric spark powder preparation device with the rotating multi-ring curved surface electrode according to claim 1, further comprising a first pole plate and a second pole plate, wherein the rotating plate is provided with a plurality of first through holes and second through holes for a conductive pipe to pass through, the conductive pipe of the first pole plate is connected with the rotating annular electrode through the first through holes, and the conductive pipe of the second pole plate is connected with the fixed annular electrode through the second through holes.
4. The device for preparing electric spark powder with the rotating multi-ring curved surface electrode as claimed in claim 3, wherein a power supply clamp is arranged on the lower surface of the rotating disc corresponding to the first through hole, a power supply brush is arranged corresponding to the second through hole, one end of the power supply clamp is connected with the first pole disc, and the other end of the power supply clamp clamps the rotating ring electrode; one end of the power supply brush is connected with the second pole plate, and the other end of the power supply brush is in contact with the fixed annular electrode to supply power to the fixed annular electrode.
5. The device for preparing electric spark powder with the rotating multi-ring curved surface electrode as claimed in claim 3, wherein a connecting shaft is arranged on the rotating disc, the connecting shaft is connected with the rotating driving member, and the first pole plate and the second pole plate are both fixedly connected with the connecting shaft.
6. The electric spark powder preparation device with the rotary multi-ring curved surface electrode as claimed in claim 1, wherein an ultrasonic transducer is arranged on a side wall of the reaction barrel, an ultrasonic power supply is arranged outside the reaction barrel, and the ultrasonic transducer is electrically connected with the ultrasonic power supply;
preferably, the number of the ultrasonic transducers is multiple and is distributed at intervals along the axial direction of the reaction barrel;
preferably, the ultrasonic transducer is a radial ultrasonic transducer or an axial ultrasonic transducer.
7. The device for preparing electric spark powder with the rotating multi-ring curved surface electrode according to claim 1, wherein the reaction barrel and the rotating disc are both made of insulating materials.
8. The electric spark powder preparation device with the rotating multi-ring curved surface electrode as claimed in claim 1, further comprising a collection mechanism located below the reaction barrel for collecting the ultrafine powder, wherein a filtering bottom plate is arranged at the bottom of the reaction barrel, and the filtering bottom plate corresponds to the collection mechanism.
9. The device for preparing electric spark powder with the rotating multi-ring curved surface electrode according to claim 8, wherein a fixing clamp for installing the fixed ring electrode is arranged on the filtering base plate, and the fixed ring electrode is connected with the fixing clamp.
10. The device for preparing electric spark powder with the rotating multi-ring curved surface electrode as claimed in claim 8, wherein the collecting mechanism comprises a collecting box, a lifting frame and a base, the collecting box is installed on the lifting frame, the lifting frame is installed on the base, and the lower part of the reaction barrel extends into the collecting box and is suspended on the collecting box.
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| CN202111439267.7A CN114029000B (en) | 2021-11-30 | 2021-11-30 | Electric spark powder preparation device with rotary multi-ring curved surface electrode |
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| Title |
|---|
| 侯启龙等: "聚焦超声辅助电火花制备多尺度镍粉时超声功率对镍粉粒径的影响", 《材料导报》 * |
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| Publication number | Publication date |
|---|---|
| CN114029000B (en) | 2022-06-28 |
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