CN114093650A - Solve automatic seal powder equipment of bonding when magnetic material sintering - Google Patents
Solve automatic seal powder equipment of bonding when magnetic material sintering Download PDFInfo
- Publication number
- CN114093650A CN114093650A CN202111411262.3A CN202111411262A CN114093650A CN 114093650 A CN114093650 A CN 114093650A CN 202111411262 A CN202111411262 A CN 202111411262A CN 114093650 A CN114093650 A CN 114093650A
- Authority
- CN
- China
- Prior art keywords
- powder
- printing
- control valve
- nozzle
- inner cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Nozzles (AREA)
Abstract
The invention relates to the technical field of nozzle structures in powder printing equipment, and discloses automatic powder printing equipment for solving the problem of bonding of magnetic materials during sintering. The automatic powder printing equipment for solving the problem of bonding during the sintering of the magnetic material can utilize the opening and closing of a flame nozzle to realize the on-off action of a powder channel by setting an electromagnetic control valve and a control circuit and matching with the linkage relation between structures in an inner mounting hole, and simultaneously control the downward movement amount of a control valve core and the coincidence degree between the control valve core and the powder channel by changing the gas flow rate in the inner cavity of the inner mounting hole, thereby adjusting the conveying amount of iron oxide powder materials in the nozzle structure.
Description
Technical Field
The invention relates to the technical field of nozzle structures in powder printing equipment, in particular to automatic powder printing equipment for solving the problem of bonding of magnetic materials during sintering.
Background
The laminated magnetic core is a metal oxide with magnetism, which is formed by sintering various iron oxide powder mixture materials, has the characteristics of high magnetic permeability and high magnetic flux density compared with other magnetic materials, has lower loss, and is widely applied to coils and transformers of electronic equipment.
The automatic powder printing technology is one of the important processing modes for the lamination processing of the magnetic core, but when a high-temperature spray head is used for heating an iron oxide powder mixed material at a high temperature, the spray head structure is easily blocked due to the melting and bonding of the iron oxide powder material, so that the processing efficiency of the lamination of the magnetic core is influenced, and the service life of the spray head structure is also shortened.
Therefore, a printing powder nozzle structure for laminating magnetic cores is needed to solve the above-mentioned drawbacks of the conventional printing powder nozzle structure during high temperature heating.
Disclosure of Invention
Technical problem to be solved
The invention provides automatic powder printing equipment for solving the problem of bonding during the sintering of a magnetic material, which has the advantages of effectively avoiding the problem of blocking a spray head structure due to the fusion and bonding of an iron oxide powder mixed material, realizing the automatic supply action of the iron oxide powder mixed material on the spray head, having higher processing efficiency of a magnetic core lamination, prolonging the service life, and having higher stability and reliability of the spray head structure, and solving the problem that when a high-temperature spray head is used for heating the iron oxide powder mixed material at a high temperature, the spray head structure is easily blocked due to the fusion and bonding of the iron oxide powder material, thereby not only influencing the processing efficiency of the magnetic core lamination, but also reducing the service life of the spray head structure.
(II) technical scheme
The invention provides the following technical scheme: an automatic powder printing device for solving the problem of bonding of magnetic materials during sintering comprises a powder printing nozzle, wherein a flame nozzle is fixedly installed at the top of an inner cavity of the powder printing nozzle, an inner installation hole is formed in the inner portion of the bottom end of the powder printing nozzle, a first pore passage communicated to the bottom of the inner cavity of the powder printing nozzle is formed in the bottom end of the inner installation hole, a powder passage which is obliquely arranged is arranged in the middle of the inner installation hole to be communicated with the inner cavity and the outer surface of the powder printing nozzle, a control valve core is movably sleeved in the middle of the inner cavity of the inner installation hole, a communication hole with the same inclination degree as the powder passage is formed in the middle of the control valve core, a constant-pressure spring is fixedly installed at the top of the inner cavity of the inner installation hole to be in transmission connection with the bottom end of the control valve core, a second pore passage communicated to the outer portion of the powder printing nozzle is formed in the top end of the inner installation hole, and an electromagnetic control valve is arranged in the middle of the second pore passage, and a control circuit communicated to the top of the outer surface of the printing powder nozzle is arranged in the electromagnetic control valve, and the other end of the control circuit is electrically connected with a control system in the automatic printing powder equipment.
Preferably, the elastic force of the constant pressure spring is smaller than the negative pressure formed by the high-speed airflow circulating in the inner cavity of the printing powder nozzle on the control valve core, and when the constant pressure spring is compressed to the minimum degree, the communication hole on the control valve core and the powder channel are in a completely overlapped state.
Preferably, the communication hole in the control valve core is staggered with the powder passage at the initial stage under the elastic force of the constant pressure spring.
Preferably, the inner diameter of the bottom of the inner cavity of the printing powder nozzle is equal to the outer diameter of the flame flow sprayed in the flame nozzle, and the whole printing powder nozzle is made of a refractory material with good heat insulation performance.
(III) advantageous effects
The invention has the following beneficial effects:
1. this solve automatic seal powder equipment of bonding when magnetic material sintering, through the produced high-speed flame air current of flame nozzle in seal powder shower nozzle inner chamber, utilize the big pressure principle of velocity of flow to open the powder passageway and adsorb iron oxide powder material to the inner chamber of seal powder shower nozzle, compare with current high temperature shower nozzle structure, on the one hand can carry out high temperature heat treatment to iron oxide powder material, make the density of the magnetic lamination after its shaping higher, on the other hand through the mode of high-speed injection, can make to take place the mutual impact between the iron oxide powder material granule, in order effectively to avoid it to take place the phenomenon of bonding jam in the inner wall of seal powder shower nozzle, both improved its machining efficiency to the magnetic core stromatolite, the life of this shower nozzle structure has been prolonged simultaneously.
2. This solve automatic seal powder equipment of bonding when magnetic material sintering, to solenoid electric control valve and control circuit's setting to linkage relation between the structure in the mounting hole in the cooperation, the make-and-break action to the powder passageway can be realized to the opening and close of usable flame nozzle, simultaneously, through changing the circulation of gaseous in the internal mounting hole cavity and control the downward displacement of control case and with the powder passageway between the coincidence degree, and then adjust the conveying capacity to the iron oxide powder material in this shower nozzle structure, so that the controllability of this shower nozzle structure is higher and stability is better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the invention at point A in FIG. 1;
fig. 3 is a front view of the structure of the present invention.
In the figure: 1. printing powder spray heads; 2. a flame nozzle; 3. an inner mounting hole; 4. a first duct; 5. a powder passage; 6. a control valve core; 7. a communicating hole; 8. a constant pressure spring; 9. a second duct; 10. an electromagnetic control valve; 11. a control circuit.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, an automatic powder printing device for solving the problem of adhesion during sintering of magnetic materials comprises a powder printing nozzle 1, a flame nozzle 2 is fixedly installed at the top of an inner cavity of the powder printing nozzle 1, an external thread is arranged at the top of the outer surface of the powder printing nozzle 1 to fixedly install the nozzle structure on the automatic powder printing device, an inner installation hole 3 is formed in the bottom end of the powder printing nozzle 1, the number of the inner installation holes 3 can be adapted according to the number of types of iron oxide metal powder to be added and mixed, the inner installation hole is arranged in an annular array by using a central axis of the powder printing nozzle 1, a first hole passage 4 communicated with the bottom of the inner cavity of the powder printing nozzle 1 is formed at the bottom end of the inner installation hole 3, an obliquely arranged powder passage 5 is formed in the middle of the inner installation hole 3 to communicate the inner cavity of the powder printing nozzle 1 and the outer surface of the powder printing nozzle 1, and one end of the powder passage 5 extending to the outer surface of the powder printing nozzle 1 is communicated with a conveying pipeline of iron oxide powder material, for the arrangement of the inclined arrangement of the powder channel 5, the conveyed ferric oxide powder material has the tendency of moving downwards under the influence of gravity, so as to improve the fluency and stability of the powder material in the flowing process, the middle part of the inner cavity of the inner mounting hole 3 is movably sleeved with the control valve core 6, the middle part of the control valve core 6 is provided with the communicating hole 7 with the same inclination degree as the powder channel 5, the top part of the inner cavity of the inner mounting hole 3 is fixedly provided with the constant pressure spring 8 to form transmission connection with the bottom end of the control valve core 6, as shown in figure 2, the top end of the inner mounting hole 3 is provided with the second pore channel 9 communicated with the outside of the powder printing spray head 1, the second pore channel 9 is used for balancing the gas pressure at the top part of the inner cavity of the inner mounting hole 3, so that the control valve core 6 can flexibly move up and down in the inner cavity of the inner mounting hole 3, the middle part of the second pore channel 9 is provided with the electromagnetic control valve 10, and the inside of the electromagnetic control valve 10 is provided with a control circuit 11 communicated to the top of the outer surface of the printing powder spray head 1, and the other end of the control circuit 11 is electrically connected with a control system in the automatic printing powder equipment, wherein for the arrangement of the electromagnetic control valve 10 and the control circuit 11, the downward movement amount of the control valve core 6 and the overlap ratio between the control valve core and the powder passage 5 can be controlled by changing the gas flow rate in the inner cavity of the inner mounting hole 3, and further the conveying amount of the ferric oxide powder material in the spray head structure is controlled.
The flame nozzle 2 absorbs the ferric oxide powder material into the inner cavity of the printing powder nozzle 1 by utilizing high-speed flame airflow generated in the inner cavity of the printing powder nozzle 1 and utilizing the principle of large flow rate and small pressure intensity, so that on one hand, the high-temperature heating treatment can be carried out on the ferric oxide powder material, and the compactness of the formed magnetic lamination is higher; on the other hand, through a high-speed spraying mode, mutual impact can be generated among iron oxide powder material particles, so that the phenomenon that the iron oxide powder material particles are bonded and blocked in the inner wall of the printing powder nozzle 1 is effectively avoided.
As shown in fig. 3, in the present technical solution, the elastic force of the constant pressure spring 8 is smaller than the negative pressure formed by the high speed airflow circulating in the inner cavity of the print powder nozzle 1 to the control valve core 6, and when the constant pressure spring 8 is compressed to the minimum, the communication hole 7 on the control valve core 6 and the powder channel 5 are in a completely overlapped state, so as to ensure that the iron oxide powder material conveyed in the powder channel 5 can smoothly enter the inner cavity of the print powder nozzle 1 under the condition that the pressure is smaller when the flow rate is larger, and further, the magnetic core lamination is processed in the print powder technology manner.
In the technical scheme, the communication holes 7 in the control valve core 6 are staggered with the powder channel 5 at the initial stage under the action of the elastic force of the constant pressure spring 8, so that the powder channel 5 can be sealed when the flame nozzle 2 is not started, and the phenomenon of leakage of the conveyed iron oxide powder mixed material is prevented.
In the technical scheme, the inner diameter of the bottom of the inner cavity of the printing powder nozzle 1 is equal to the outer diameter of the flame flow sprayed in the flame nozzle 2, and the whole printing powder nozzle 1 is made of a refractory material with good heat insulation performance, so that the problem of damage to parts on the printing powder nozzle 1 due to heat conduction is avoided, and the service life of the nozzle structure on the automatic printing powder equipment is effectively prolonged.
The use method and the working principle of the embodiment are as follows:
firstly, the spray head structure is in threaded connection with the automatic powder printing equipment and is communicated with a pipeline communication system and a circuit control system among all the parts, then a flame nozzle 2 is started to generate high-speed flame flow in the inner cavity of the powder printing spray head 1, the gas pressure at the bottom of the inner cavity of an inner mounting hole 3 is reduced under the conditions of high flow rate and low pressure, a control valve core 6 is driven to move downwards under the communication action of a second pore passage 9 controlled by an electromagnetic control valve 10 and a constant pressure spring 8 is compressed, so that a communication hole 7 in the control valve core 6 and a powder passage 5 are overlapped with each other, conveyed iron oxide powder materials enter the high-speed flame flow in the inner cavity of the powder printing spray head 1 under the adsorption of negative pressure and are sprayed out along with the high-speed flame flow, and a magnetic core laminated structure is formed under the movement of a specific track of the spray head structure;
when the flame nozzle 2 is closed, because the flame nozzle does not generate high-speed flame flow in the inner cavity of the printing powder spray head 1 any more, the control valve core 6 in the inner cavity of the inner mounting hole 3 moves upwards under the elastic force of the constant pressure spring 8, so that the communication hole 7 in the control valve core 6 and the powder channel 5 are staggered with each other to form a sealing effect on the control valve core, and the conveyed iron oxide powder material does not continuously flow into the inner cavity of the printing powder spray head 1 any more.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a solve automatic seal powder equipment that magnetic material bondd when sintering, includes seal powder shower nozzle (1), its characterized in that: the flame nozzle (2) is fixedly installed at the top of the inner cavity of the printing powder spray head (1), an inner installation hole (3) is formed in the bottom of the printing powder spray head (1), a first pore channel (4) communicated with the bottom of the inner cavity of the printing powder spray head (1) is formed in the bottom of the inner installation hole (3), a powder channel (5) which is obliquely arranged is arranged in the middle of the inner installation hole (3) to communicate the inner cavity and the outer surface of the printing powder spray head (1), a control valve core (6) is movably sleeved in the middle of the inner cavity of the inner installation hole (3), a communication hole (7) with the same inclination degree as the powder channel (5) is formed in the middle of the control valve core (6), a constant pressure spring (8) is fixedly installed at the top of the inner cavity of the inner installation hole (3) to form transmission connection with the bottom of the control valve core (6), and a second pore channel (9) communicated with the outside of the printing powder spray head (1) is formed at the top of the inner installation hole (3), an electromagnetic control valve (10) is arranged in the middle of the second pore passage (9), a control circuit (11) communicated to the top of the outer surface of the powder printing spray head (1) is arranged inside the electromagnetic control valve (10), and the other end of the control circuit (11) is electrically connected with a control system in the automatic powder printing equipment.
2. The automatic powder printing device for solving the problem of bonding during the sintering of the magnetic material as claimed in claim 1, wherein: the elasticity of the constant pressure spring (8) is smaller than the negative pressure formed by the high-speed airflow circulating in the inner cavity of the printing powder spray head (1) on the control valve core (6), and when the constant pressure spring (8) is compressed to the minimum degree, the communicating hole (7) on the control valve core (6) and the powder channel (5) are in a completely overlapped state.
3. The automatic powder printing device for solving the problem of bonding during the sintering of the magnetic material as claimed in claim 2, wherein: the communicating holes (7) in the control valve core (6) are mutually staggered with the communicating positions between the powder channel (5) in the initial stage under the elastic force action of the constant pressure spring (8).
4. The automatic powder printing device for solving the problem of bonding during the sintering of the magnetic material as claimed in claim 1, wherein: the inner diameter of the bottom of the inner cavity of the printing powder nozzle (1) is equal to the outer diameter of the flame flow sprayed in the flame nozzle (2), and the whole printing powder nozzle (1) is made of a refractory material with good heat insulation performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111411262.3A CN114093650A (en) | 2021-11-25 | 2021-11-25 | Solve automatic seal powder equipment of bonding when magnetic material sintering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111411262.3A CN114093650A (en) | 2021-11-25 | 2021-11-25 | Solve automatic seal powder equipment of bonding when magnetic material sintering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114093650A true CN114093650A (en) | 2022-02-25 |
Family
ID=80304375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111411262.3A Withdrawn CN114093650A (en) | 2021-11-25 | 2021-11-25 | Solve automatic seal powder equipment of bonding when magnetic material sintering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114093650A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383116A (en) * | 2022-09-02 | 2022-11-25 | 江西耀润磁电科技有限公司 | Forming and processing equipment and processing method for inductor magnetic core |
-
2021
- 2021-11-25 CN CN202111411262.3A patent/CN114093650A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383116A (en) * | 2022-09-02 | 2022-11-25 | 江西耀润磁电科技有限公司 | Forming and processing equipment and processing method for inductor magnetic core |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114093650A (en) | Solve automatic seal powder equipment of bonding when magnetic material sintering | |
| CN101275678A (en) | Dynamoelectric switching valve and refrigerator refrigerating cycle apparatus | |
| CN106090332A (en) | A kind of multi-way high-frequency electromagnetic drives air valve | |
| CN206000643U (en) | A kind of through type binary channels fuel gas injection valve | |
| CN106089500A (en) | A kind of through type dual pathways fuel gas injection valve | |
| CN106968997A (en) | A kind of reciprocating compressor novel high speed magnetic valve and its assembly method | |
| CN203516798U (en) | Electronic expansion valve | |
| CN202165674U (en) | Self-protection type electrically and electromagnetically driven double-purpose electromagnetic valve | |
| CN201431728Y (en) | Automatic fire extinguisher | |
| CN103968136B (en) | A kind of magnetic valve | |
| CN206145230U (en) | Solenoid valve structure for liquid | |
| CN201043622Y (en) | Electric switching valve and refrigerator refrigeration cycle device | |
| CN115074653B (en) | Hot-galvanize iron wire cooling passivating device | |
| CN207830685U (en) | Solenoid valve and electromagnetic control apparatus | |
| CN104565476A (en) | Electronic expansion valve | |
| CN208832514U (en) | A kind of multistage subsection control electromagnetic valve switch | |
| CN101418870B (en) | High power high-temperature solenoid valve | |
| CN107143436A (en) | A kind of double electromagnetism fuel gas injection valves of combined type | |
| CN105575586B (en) | Many permanent magnetic radial multi-coil combined high-speed bidirectional electromagnets | |
| CN218063591U (en) | Electromagnetic valve for ultrahigh-temperature high-pressure large-flow quick reaction | |
| CN207568811U (en) | A kind of motor-operated control valve of inside with throttling set | |
| CN206770727U (en) | A kind of superminiature air solenoid valve for heat dissipation of integrated circuit chip dedusting | |
| CN206770661U (en) | Deduster electromagnetic impulse valve long service-life diaphragm | |
| CN105448462A (en) | Double-permanent-magnet high-speed bidirectional electromagnet | |
| CN206903774U (en) | A kind of interior guiding fuel gas injection valve of through type axial admission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220225 |
|
| WW01 | Invention patent application withdrawn after publication |