CN114986376A - Magnetic needle magnetic grinding machine - Google Patents
Magnetic needle magnetic grinding machine Download PDFInfo
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- CN114986376A CN114986376A CN202210685757.3A CN202210685757A CN114986376A CN 114986376 A CN114986376 A CN 114986376A CN 202210685757 A CN202210685757 A CN 202210685757A CN 114986376 A CN114986376 A CN 114986376A
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- magnetic
- grinding
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- shell
- fixedly arranged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
- B24B31/102—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using an alternating magnetic field
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The application relates to the technical field of grinding, in particular to a magnetic needle magnetic grinding machine which comprises a shell and a grinding mechanism, wherein the grinding mechanism comprises a three-phase quadrupole asynchronous motor stator, the stator is fixedly arranged in a stator base, and a coil of the stator is electrically connected with a frequency converter; a heat radiation fan is fixedly arranged below the stator base; the utility model provides a magnetic needle magnetic grinding machine uses the method of the magnetic force grinding metal powder of an innovation, and magnetic force generating device passes through converter control stator and takes place the magnetic field, and energy conversion rate is far above the permanent magnet generating method, has overcome traditional ball mill and has ground the defect that the precision is not high, grinding time is longer, and in addition heat dissipation design can obtain higher grinding precision, grinding effect.
Description
Technical Field
The application relates to the technical field of grinding, in particular to a magnetic needle magnetic grinding machine.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The magnetic needle magnetic grinding machine can be well suitable for various small and complicated tiny parts, and can process the surfaces of various materials. The basic principle is that a magnetic needle and a to-be-ground piece are mixed in a grinding cylinder, a magnetic force generating device is arranged on the outer wall of the grinding cylinder to generate an alternating magnetic field, magnetic grinding materials in a processing area are distributed according to magnetic induction lines to form a magnetic brush with certain rigidity, and then the to-be-ground piece is finely ground through the magnetic needle.
At present, the research and development of the magnetic grinder in China are mostly carried out to change the magnetic field change by changing the operation of an external mechanical structure so as to realize the grinding function, and the research and development are less carried out to directly change the structure of the grinder so as to realize the grinding method by changing the magnetic field. In most of the prior art, the motor part of the grinder itself is not structurally modified, the purpose or requirement of grinding is mostly achieved by changing the peripheral configuration, and there are mainly methods of changing the position of the grinding cylinder, driving the magnetic disc to rotate by the rotation of the motor, or adding a movable suspension device above the magnetic field grinding magnetic field to move at physical positions; however, due to the mechanism of action of the magnetic grinder, a large amount of mechanical energy is converted into heat energy during the grinding process, and a large amount of heat is generated, so that the heat dissipation of the magnetic grinder is also a problem to be solved.
The invention discloses a planetary gear train magnetic grinding machine and a grinding method thereof, which have the application number of CN202111253500.2 and are named as 'a planetary gear train magnetic grinding machine and a grinding method thereof', wherein the planetary gear train magnetic grinding machine comprises a box body, a motor, a planetary gear train, a magnet and a grinding barrel; the motor is fixedly arranged in the box body, and the planetary gear train consists of an outer gear ring, a sun gear and a plurality of planetary gears; the motor drives the sun wheel to rotate and simultaneously drives the planet wheel to rotate, and the rotation directions of the planet wheel and the sun wheel are opposite; a plurality of magnets are respectively arranged at the tops of the sun wheel and the planet wheel, the grinding barrel is arranged at the top of the box body, and magnetic grinding materials formed by mixing the magnetic needles, grinding liquid and water are contained in the grinding barrel. The magnetic needle in the grinding barrel is magnetized by the magnet, the surface of a workpiece is hit by the magnetic needle to realize grinding, and the magnetic induction intensity is greatly improved by the reverse rotation of the sun wheel and the planet wheel, so that the grinding efficiency is improved. However, the design is complex, the energy consumption of the product is high, the loss is large, the grinding time is high, the cost is high, the number of structural parts required to be moved during grinding is large, the volume consumption of the equipment is large, and the operation with small grinding requirements is difficult to realize; meanwhile, due to the fact that the grinding precision is low, the grinding of the metal powder cannot meet the micron-scale requirement.
In view of this, it is necessary to provide a magnetic needle magnetic grinding machine with simple structure, convenient operation, small size, good grinding effect, high grinding precision and good heat dissipation effect.
Disclosure of Invention
Based on this, to the above technical problem, the present application provides an array magnetic grinder.
The technical scheme that this application solved the problem that prior art exists adopted is:
the application provides a magnetic needle magnetic grinding machine, which comprises a shell and a grinding mechanism, wherein the grinding mechanism comprises a three-phase quadrupole asynchronous motor stator, the stator is fixedly arranged in a stator base, a coil of the stator is electrically connected with a frequency converter, and the frequency converter is fixedly arranged outside the shell;
a bottom plate is arranged in the bottom of the stator base, and lower through holes are symmetrically formed in the periphery of the bottom plate; a grinding cup is fixedly arranged on the bottom plate in the stator, and the cup mouth of the grinding cup is connected with a cup cover through external threads;
the motor stator is characterized in that a mounting plate is fixedly arranged outside the stator base, a round hole with the same inner diameter as the stator base is formed in the middle of the mounting plate, and a dust screen and a fan outer cover are sequentially and fixedly arranged below the mounting plate;
a first supporting plate is arranged in the fan outer cover, two ends of the first supporting plate are fixedly connected with the fan outer cover, a fan motor is fixedly arranged in the middle of the first supporting plate, a second supporting plate and a third supporting plate are symmetrically and vertically fixedly arranged on the first supporting plate at two sides of the fan motor, and a fourth supporting plate is vertically and fixedly arranged in the middle of the first supporting plate at the other side of the fan motor; the other ends of the second supporting plate, the third supporting plate and the fourth supporting plate are fixedly connected with the fan outer cover; the motor shaft of the fan motor is positioned in the center of the fan outer cover, and a fan impeller is fixedly sleeved on the motor shaft; the fan motor is electrically connected with a control device fixedly arranged on the shell;
the fan outer cover is externally provided with at least four fixing pieces, and the fixing pieces are in threaded connection with the shell.
Preferably, the stator includes stator base and fixed stator core of locating in the stator base and the coil winding of winding on stator core, the outer fixed cover of stator base is equipped with annular fixed plate, fixed plate and casing fixed connection.
Preferably, at least four second lugs are fixedly and symmetrically arranged on the periphery of the mounting plate; a first lug matched with the second lug is arranged on the periphery of the fan outer cover, and mounting holes matched with the second lug are formed in the periphery of the dustproof net; and bolts are fixedly arranged in the second lug, the first lug and the mounting hole.
Preferably, the shell is made of an aluminum alloy material, and the soft magnetic material is sprayed on the outer portion of the shell.
Preferably, a high-temperature-resistant SIL (silicon-aluminum-silicon rubber) sealing ring is embedded in the cup cover.
Preferably, air inlets are formed in two sides below the shell, impellers for mounting are fixedly arranged in the air inlets, and heat dissipation seams are formed in the other two sides above the shell; and a grinding cup fixing hole with the same outer diameter as the grinding cup is formed in the middle of the cover plate above the shell, and the grinding cup is fixed in the grinding cup fixing circular hole.
Preferably, the housing upper cover plate is further bolted to the stator base.
Preferably, the upper side surface of the stator base is provided with an upper through hole.
Preferably, when grinding is needed, a magnetic needle is placed in the grinding cup, and the material of the magnetic needle is 420 stainless steel.
Preferably, the bottom of the grinding cup is provided with an exhaust pipe, and the exhaust pipe is connected with a collecting box pipeline.
Compared with the prior art, the beneficial effect of this application is:
1. the grinding task is completed under the minimum change, and the problems that the basic volume of the equipment is too large, the equipment is difficult to accurately control, and the consumption of consumables and time is too large can be solved.
2. Simple operation, convenient use and safe use, and can grind metal powder with small granularity.
3. The heat dissipation effect is good, and the factor that the heat dissipation effect is not good that exists in the past design has been overcome in fan motor's installation design, and the stator base upper and lower side all is equipped with the pipeline of ventilating simultaneously, can effectively dispel the heat.
4. The direction and the strength of a magnetic field in the stator can be controlled through the control of the frequency converter, and efficient and reliable grinding is realized.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view of the overall structure of a magnetic needle magnetic grinder according to the present application,
FIG. 2 is a schematic view showing the internal structure of a magnetic needle magnetic grinder of FIG. 1,
FIG. 3 is a schematic view of the bottom structure of the magnetic needle grinder of the present application in FIG. 2,
figure 4 is a schematic view of the mounting plate structure of figure 2,
figure 5 is a schematic view of the fan and housing mounting structure of figure 2,
fig. 6 is a schematic structural view of a stator of the magnetic needle magnetic grinder of fig. 2.
In the figure:
1. casing, 2, air intake, 3, controlling means, 4, heat dissipation seam, 5, the bowl cover, 6, fan motor, 7, fan dustcoat, 8, mounting panel, 9, stator base, 10, the fixed plate, 11, the coil winding, 12, grinding cup, 13, external screw thread, 14, mounting, 15, first lug, 16, second lug, 17, fan wheel, 18, first backup pad, 19, the second backup pad, 20, the third backup pad, 21, the fourth backup pad, 22, go up the opening, 23, lower opening, 24, the bottom plate, 25, the dust screen.
The specific implementation mode is as follows:
the present application will be further described with reference to the following drawings and examples.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, are only terms of relationships determined for convenience in describing structural relationships of the components or elements of the present disclosure, do not refer to any components or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
Fig. 1 to 6 show a preferred embodiment of a magnetic needle magnetic grinder of the present application, which includes a housing 1 and a grinding mechanism, as shown in fig. 2, the grinding mechanism includes a three-phase four-pole asynchronous motor stator, the stator includes a stator base 9, a stator core fixedly disposed in the stator base 9 and a coil winding 11 wound on the stator core, an annular fixing plate 10 is fixedly secured to the outside of the stator base 9, and the fixing plate 10 is fixedly connected to the housing 1; the stator is fixedly arranged in the stator base 9, a coil of the stator is electrically connected with the frequency converter, and the frequency converter is fixedly arranged outside the shell 1; a bottom plate 24 is arranged in the bottom of the stator base 9, lower through holes 23 are symmetrically formed in the periphery of the bottom plate 24, and an upper through hole 22 is formed in the side face above the stator base 9; a grinding cup 12 is fixedly arranged on the bottom plate 24 in the stator, the cup mouth external thread of the grinding cup 12 is connected with a cup cover 5, and a high-temperature resistant SIL (silicon-on-insulator) silicone rubber sealing ring is embedded in the cup cover 5;
the outer part of the stator base 9 is fixedly provided with an installation plate 8, the middle of the installation plate 8 is provided with a round hole with the same inner diameter as the stator base 9, and a dust screen 25 and a fan outer cover 7 are sequentially and fixedly arranged below the installation plate 8; at least four second lugs 16 are fixedly and symmetrically arranged on the periphery of the mounting plate 8; a first lug 15 matched with the second lug 16 is arranged on the periphery of the fan outer cover 7, and a mounting hole matched with the second lug 16 is arranged on the periphery of the dustproof net 25; bolts are fixedly arranged in the second lug 16, the first lug 15 and the mounting holes.
A first supporting plate 18 with two ends fixedly connected with the fan outer cover 7 is arranged in the fan outer cover 7, a fan motor 6 is fixedly arranged in the middle of the first supporting plate 18, a second supporting plate 19 and a third supporting plate 20 are symmetrically and vertically fixedly arranged on the first supporting plate 18 at two sides of the fan motor 6, and a fourth supporting plate 21 is vertically and fixedly arranged in the middle of the first supporting plate 18 at the other side of the fan motor 6; the other ends of the second supporting plate 19, the third supporting plate 20 and the fourth supporting plate 18 are fixedly connected with the fan outer cover 7; a motor shaft of the fan motor 6 is positioned in the center of the fan outer cover 7, and a fan impeller 17 is fixedly sleeved on the motor shaft; the fan motor 6 is electrically connected with the control device 3 fixedly arranged on the shell 1; at least four fixing pieces 14 are arranged outside the fan housing 7, and the fixing pieces 14 are in threaded connection with the shell 1.
The casing 1 is aluminum alloy material, and 1 outside spraying of casing has soft magnetic material, guarantees that magnetic field is stable, reduces external interference. Air inlets 2 are formed in two sides of the lower portion of the shell 1, impellers for mounting are fixedly arranged in the air inlets 2, and heat dissipation seams 4 are formed in the other two sides of the upper portion of the shell 1; a grinding cup fixing hole with the same outer diameter as that of the grinding cup 12 is formed in the middle of the cover plate above the shell 1, and the grinding cup 12 is fixed in the grinding cup fixing circular hole; the cover plate above the shell 1 is also connected with the stator base 9 through bolts;
when the magnetic needle magnetic grinding machine is prepared for grinding operation, a magnetic needle needs to be placed in the grinding cup 12 when grinding is needed, and the magnetic needle is made of 420 stainless steel; the bottom of the grinding cup 12 is provided with an exhaust pipe, the exhaust pipe is connected with a collecting box through a pipeline, after grinding is finished, the cup cover 5 above the grinding cup 12 is opened, and compressed gas filled with certain pressure can blow out powder in the grinding cup through the exhaust pipe.
The utility model provides a magnetic needle magnetic grinding machine, casing 1 passes through the right angle connecting piece by a plurality of aluminium alloy and connects to form with the fix with screw, the frame diaphysis part is the square that stabilizes, and attaches to reach sealed effect with aluminium alloy plate, and shell ground connection is with the protection against electric shock.
The aluminum alloy plate on the side of the shell 1 is provided with a scaly heat radiation seam 4, which is beneficial to the heat radiation of the whole device. Soft magnetic materials are sprayed outside the machine body, so that the anti-interference capability of an internal magnetic field is enhanced; four lifting wheels are arranged below the shell 1, and the lifting wheel is convenient to move.
The wireless communication module is arranged in the control device 3 and is in wireless connection with the rear-end server, the running state and parameters of the equipment can be remotely observed through the OneNet webpage remote control design on the rear-end server, and a user can remotely control and monitor the equipment through observing videos shot by the on-site camera under the line by using products such as a computer, a mobile phone and the like.
The grinding device consists of an aluminum alloy shell 1, a grinding cup 12 and a stator part of a 24-groove three-phase four-pole asynchronous motor, and a magnetic force generation control device is used for introducing three-phase current after rectification and inversion to the grinding device to generate a rotating magnetic field in the stator of the asynchronous motor. The stator part is formed by DW315_50 grain-free oriented silicon steel sheets, so that the magnetic induction intensity can be obviously improved, the eddy current loss is low, and the requirements of high power and high current are met. The aluminum alloy shell is grounded, and plays roles in protecting stator damage, preventing electric shock and dissipating heat. Four high-temperature-resistant shock absorption pads are embedded between the stator and the stator base 9, so that the stability of the grinding device during grinding is ensured, and the safety of the device is ensured.
The utility model provides a magnetic needle magnetic grinding machine is when grinding the operation, fan motor 6 opens, under fan motor 6's effect, gas in the external environment is inside by air intake 2 entering fan dustcoat 7, as shown in fig. 3 and fig. 6, the cold air that gets into fan dustcoat 7 from air intake 2 gets into between grinding cup 12 and the coil winding 11 by opening 23 down, then the last opening 22 of rethread stator base 9 top side is discharged, discharge outside through heat dissipation seam 4 on the casing 1 again, the realization is to grinding cup 12 and coil winding 11's heat dissipation.
The utility model provides a magnetic needle magnetic force grinds machine, when using, grinds whole sealed inert gas argon gas that need let in of cup 12, grinds cup 12 and divide into two parts, is cup body and bowl cover 5 respectively, and both adopt stainless steel, guarantee good magnetic conduction effect. In actual use, the grinding cup 12 can be divided into 3 parts, two detachable parts and an electromagnet in the middle. The grinding effect of the upper part and the lower part can be changed by changing the working state of the frequency converter or the magnetic field of the electromagnet, so that two materials or two grinding effects of one material can be simultaneously ground, and the grinding efficiency is increased. The bottom of the grinding cup 12 is provided with an exhaust pipe connected with a collecting box, after grinding is completed, the exhaust pipe is automatically opened, grinding powder enters the collecting box through the exhaust pipe, the whole process is carried out in a sealed state, and pollution caused by dust leakage is avoided.
The application provides a use method of a magnetic needle magnetic grinding machine:
step 1: and (4) equipment inspection, wherein before electrification, whether each structure of the equipment is reliable and firm is inspected so as to avoid safety accidents caused by rapid leap of the magnetic needle.
Step 2: the material is prepared by first adding a millimeter-sized metal powder to a cylindrical grinding cup 12 and determining whether to add an inert gas based on the reactive properties of the powder. Then, grinding steel needles with proper quantity and size are added, and the cup cover 5 is screwed down after inert gas is injected through the gas inlet.
Step 3: in the grinding process, a power supply is turned on, frequency converter grinding parameters are set, the current in the stator coil is adjusted to grind proper millimeter-scale metal powder, and the grinding time is set. The stator is started, a rotating magnetic field is generated in the grinding container, the device starts to operate, the fan motor 6 is started, the stator core is guaranteed to keep normal temperature, and heat is led out of the two sides of the grinding machine along with the heat conduction pipe.
Step 4: after grinding is finished, when the temperature detection device in the grinding device is cooled to normal temperature, the cover plate above the shell 1 is opened, the grinding cup 12 is taken out, and the screw cup cover 5 is carefully opened to obtain micron-sized metal powder.
The application provides a magnetic needle magnetic force grinds machine uses the method of a magnetic force grinding metal powder of innovation, and magnetic force generating device passes through the converter control stator and takes place the magnetic field, and energy conversion rate is far higher than the permanent magnet generating method, has overcome traditional ball mill and has ground the defect that the precision is not high, grinding time is longer.
Cooling system device design carries out the forced air cooling circulation through the fan, and the channel design at stator core department has increased heat radiating area, and the device thermal diffusivity is good, and this magnetism needle magnetic grinding machine only needs single or with the situation of manipulator add powder material and fill inert gas in to grinding container, alright light operation, has saved manpower and materials.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present application have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present application, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive effort by those skilled in the art.
Claims (10)
1. The utility model provides a magnetic needle magnetic force grinds machine, includes casing (1), grinds mechanism, its characterized in that:
the grinding mechanism comprises a three-phase four-pole asynchronous motor stator, the stator is fixedly arranged in a stator base (9), a coil of the stator is electrically connected with a frequency converter, and the frequency converter is fixedly arranged outside the shell (1);
a bottom plate (24) is arranged in the bottom of the stator base (9), and lower through holes (23) are symmetrically formed in the periphery of the bottom plate (24); a grinding cup (12) is fixedly arranged on the bottom plate (24) in the stator, and the cup mouth of the grinding cup (12) is in external thread connection with a cup cover (5);
the outer part of the stator base (9) is fixedly provided with a mounting plate (8), the middle of the mounting plate (8) is provided with a round hole with the same inner diameter as the stator base (9), and a dust screen (25) and a fan outer cover (7) are sequentially and fixedly arranged below the mounting plate (8);
a first supporting plate (18) with two ends fixedly connected with the fan outer cover (7) is arranged in the fan outer cover (7), a fan motor (6) is fixedly installed in the middle of the first supporting plate (18), a second supporting plate (19) and a third supporting plate (20) are symmetrically and vertically fixedly arranged on the first supporting plate (18) at two sides of the fan motor (6), and a fourth supporting plate (21) is vertically and fixedly arranged in the middle of the other side of the fan motor (6) of the first supporting plate (18); the other ends of the second supporting plate (19), the third supporting plate (20) and the fourth supporting plate (18) are fixedly connected with the fan outer cover (7); a motor shaft of the fan motor (6) is positioned in the center of the fan outer cover (7), and a fan impeller (17) is fixedly sleeved on the motor shaft; the fan motor (6) is electrically connected with the control device (3) fixedly arranged on the shell (1);
the fan outer cover (7) is externally provided with at least four fixing pieces (14), and the fixing pieces (14) are in threaded connection with the shell (1).
2. A magnetic needle magnetic grinder as claimed in claim 1, wherein:
the stator includes stator base (9) and fixed stator core of locating in stator base (9) and coil winding (11) around on stator core, stator base (9) external fixation cover is equipped with annular fixed plate (10), fixed plate (10) and casing (1) fixed connection.
3. A magnetic needle magnetic grinder as claimed in claim 1, wherein:
at least four second lugs (16) are fixedly and symmetrically arranged on the periphery of the mounting plate (8); first lugs (15) matched with the second lugs (16) are arranged on the periphery of the fan outer cover (7), and mounting holes matched with the second lugs (16) are formed in the periphery of the dustproof net (25); bolts are fixedly arranged in the second lug (16), the first lug (15) and the mounting holes.
4. A magnetic needle magnetic grinder as claimed in claim 1, wherein:
the shell (1) is made of an aluminum alloy material, and a soft magnetic material is sprayed on the outer portion of the shell (1).
5. A magnetic needle magnetic grinder as claimed in claim 1, wherein:
a high-temperature-resistant SIL (silicon-insulator-silicon) rubber sealing ring is embedded in the cup cover (5).
6. A magnetic needle magnetic grinder as claimed in claim 1, wherein:
air inlets (2) are formed in two sides of the lower portion of the shell (1), impellers for mounting are fixedly arranged in the air inlets (2), and heat dissipation seams (4) are formed in the other two sides of the upper portion of the shell (1); a grinding cup fixing hole with the same outer diameter as that of the grinding cup (12) is formed in the middle of the cover plate above the shell (1), and the grinding cup (12) is fixed in the grinding cup fixing circular hole.
7. A magnetic needle magnetic grinder as claimed in claim 6, wherein:
the cover plate above the shell (1) is also connected with the stator base (9) through bolts.
8. A magnetic needle magnetic grinder as claimed in claim 1 or 2, wherein:
and an upper through hole (22) is formed in the side face above the stator base (9).
9. A magnetic needle magnetic grinder as claimed in claim 1, wherein:
when grinding is needed, a magnetic needle is put into the grinding cup (12), and the material of the magnetic needle is 420 stainless steel.
10. A magnetic needle magnetic grinder as claimed in claim 1, wherein:
an exhaust pipe is arranged at the bottom of the grinding cup (12) and is connected with a collecting box pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210685757.3A CN114986376A (en) | 2022-06-16 | 2022-06-16 | Magnetic needle magnetic grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210685757.3A CN114986376A (en) | 2022-06-16 | 2022-06-16 | Magnetic needle magnetic grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN114986376A true CN114986376A (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210685757.3A Pending CN114986376A (en) | 2022-06-16 | 2022-06-16 | Magnetic needle magnetic grinding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116400275A (en) * | 2023-06-08 | 2023-07-07 | 山东理工大学 | Magnetic variable measuring device |
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