CN-121973079-A - Long-life electromagnet polishing wheel

CN121973079ACN 121973079 ACN121973079 ACN 121973079ACN-121973079-A

Abstract

The application provides a long-life electromagnet polishing wheel which comprises a mounting plate, a magnetic mechanism, a magnetorheological fluid injection mechanism, a magnetorheological fluid recovery mechanism, a polishing wheel, a driving mechanism and a circulating cooling mechanism. The magnetic mechanism comprises a first magnetic arm, a second magnetic arm, a first magnetic pole, a second magnetic pole, an iron core and a coil. The magnetorheological fluid injection mechanism is arranged between the first magnetic arm and the second magnetic arm. The magnetorheological fluid recovery mechanism is arranged between the first magnetic arm and the second magnetic arm. The polishing wheel is rotatably mounted between the first magnetic arm and the second magnetic arm. The driving mechanism is mounted on the first magnetic arm or the second magnetic arm and is used for driving the polishing wheel to rotate. The circulation cooling mechanism comprises a first circulation cooling component, a second circulation cooling component, a third circulation cooling component and a fourth circulation cooling component. The long-life electromagnet polishing wheel provided by the application can sufficiently cool each position, has a good heat dissipation effect, improves the processing stability and prolongs the service life of the polishing wheel.

Inventors

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Assignees

长沙埃福思科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260401

Claims (10)

1. A long life electromagnet polishing wheel comprising: A mounting plate; The magnetic mechanism comprises a first magnetic arm, a second magnetic arm, a first magnetic pole, a second magnetic pole, an iron core and a coil, wherein the first magnetic arm is arranged on one side of the mounting plate, the second magnetic arm is arranged on the other side of the mounting plate, the first magnetic pole is arranged at one end, far away from the mounting plate, of the first magnetic arm, the second magnetic pole is arranged at one end, far away from the mounting plate, of the second magnetic arm, the iron core is arranged between the first magnetic arm and the second magnetic arm, and the coil is wound on the outer circumferential side of the iron core; The magnetorheological fluid injection mechanism is arranged between the first magnetic arm and the second magnetic arm; The magnetorheological fluid recovery mechanism is arranged between the first magnetic arm and the second magnetic arm; The polishing wheel is rotatably arranged between the first magnetic arm and the second magnetic arm and is positioned between the magnetorheological fluid injection mechanism and the magnetorheological fluid recovery mechanism; the driving mechanism is arranged on the first magnetic arm or the second magnetic arm and is used for driving the polishing wheel to rotate; The circulating cooling mechanism comprises a first circulating cooling assembly, a second circulating cooling assembly, a third circulating cooling assembly and a fourth circulating cooling assembly, wherein the first circulating cooling assembly is installed at one end of the iron core, which is close to the first magnetic arm, the second circulating cooling assembly is installed at one end of the iron core, which is close to the second magnetic arm, the third circulating cooling assembly is installed at the first magnetic arm and the second magnetic arm, and is used for cooling the inside of the iron core, and the fourth circulating cooling assembly is sleeved on the outer circumference side of the coil.
2. The electromagnet polishing wheel with long service life of claim 1, wherein the first circulating cooling assembly comprises a first water tank, a first liquid outlet head and a first liquid inlet head, the first water tank is sleeved on the outer peripheral side of the iron core and is attached to the first magnetic arm, the first liquid outlet head is mounted on the first water tank and is communicated with an external cooling liquid circulating device, and the first liquid inlet head is mounted on the first water tank and is communicated with the external cooling liquid circulating device.
3. The electromagnet polishing wheel with long service life of claim 1, wherein the second circulating cooling assembly comprises a second water tank, a second liquid outlet head and a second liquid inlet head, the second water tank is sleeved on the outer peripheral side of the iron core and is attached to the second magnetic arm, the second liquid outlet head is mounted on the second water tank and is communicated with an external cooling liquid circulating device, and the second liquid inlet head is mounted on the second water tank and is communicated with the external cooling liquid circulating device.
4. The electromagnet polishing wheel with long service life of claim 1, wherein the third circulating cooling assembly comprises a first end cover, a liquid outlet cavity, a liquid inlet cavity, a second end cover, a communicating cavity, a plurality of liquid outlet channels, a plurality of liquid inlet channels, a third liquid outlet head and a third liquid inlet head, the first end cover is installed in the first magnetic arm, the liquid outlet cavity and the liquid inlet cavity are all arranged at the first end cover and are separately arranged, the second end cover is installed in the second magnetic arm, the communicating cavity is arranged at the second end cover, a plurality of liquid outlet channels are all arranged in the first magnetic arm, the iron core and the second magnetic arm and are communicated between the liquid outlet cavity and the communicating cavity, a plurality of liquid inlet channels are all arranged in the first magnetic arm, the iron core and the second magnetic arm and are communicated between the liquid inlet cavity and the communicating cavity, the third liquid outlet head is installed in the first end cover and the cooling cavity and the cooling device, and the cooling device is arranged outside the circulating cooling device.
5. The long life electromagnet polishing wheel of claim 1 wherein said fourth recirculating cooling element comprises a copper tube, a fourth outlet head and a fourth inlet head, said copper tube being wound around the periphery of said coil, said fourth outlet head being mounted to one end of said copper tube and communicating said copper tube with an external coolant circulation device, said fourth inlet head being mounted to the other end of said copper tube and communicating said copper tube with an external coolant circulation device.
6. The long life electromagnet polishing wheel of claim 1 wherein said fourth recirculating cooling element further comprises a plurality of cooling elements, a fifth liquid inlet head and a fifth liquid outlet head, said plurality of cooling elements being mounted between said first magnetic arm and said second magnetic arm and capable of wrapping said coil and communicating in sequence, said fifth liquid inlet head and said fifth liquid outlet head being mounted respectively at two of said cooling elements at each end and communicating said plurality of cooling elements with an external cooling liquid circulation device.
7. The long life electromagnet polishing wheel of claim 6 wherein said cooling member comprises a cooling plate, two sets of inboard channels, a liquid inlet, a liquid outlet, a rotating block, an inboard channel, a rotating plate, and a clamping unit, said two sets of inboard channels, said liquid inlet, and said liquid outlet are all disposed in said cooling plate and are spaced apart, said rotating block is rotatably mounted in said cooling plate, said cooling member has a first communication state in which said two sets of inboard channels, said liquid inlet, said liquid outlet, and said inboard channels are in communication, and a second communication state in which said liquid inlet, said liquid outlet, and said inboard channels are in communication, said rotating plate is mounted to said rotating block, and said clamping unit is mounted to the peripheral side of said cooling plate and is operable to clamp said rotating plate.
8. A long life electromagnet polishing wheel according to claim 7 wherein said rotating plate is provided with a plurality of snap grooves; the clamping unit comprises a mounting seat, a plurality of limiting rods, clamping blocks and a plurality of elastic structures, wherein the mounting seat is mounted on the periphery side of the cooling plate, the limiting rods are all arranged on the mounting seat in a penetrating mode, the clamping blocks are mounted on the limiting rods, the limiting rods are close to one ends of the rotating plates, the elastic structures are sleeved on the limiting rods and propped against the mounting seat and the clamping blocks, and the limiting rods are arranged in a one-to-one correspondence mode.
9. The long life electromagnet polishing wheel of claim 1 wherein said mounting plate comprises a plate body, a chute and a slide, said chute being open to said plate body, said slide being mounted in said chute and being slidable in a first direction; the first magnetic arm is provided with a plurality of kidney-shaped holes; The driving mechanism comprises an adjusting block, an intermediate shaft, a rotating shaft, a driving motor, a first driving wheel, a first driven wheel, a first synchronous belt, a second driving wheel, a second driven wheel and a second synchronous belt, wherein the adjusting block is arranged on the first magnetic arm in a penetrating mode and is fixed to the first magnetic arm through a plurality of kidney-shaped holes and a plurality of external bolts, the adjusting block can move relative to the first magnetic arm in a second direction, the intermediate shaft is rotatably arranged on the adjusting block, the rotating shaft is arranged on the polishing wheel in a penetrating mode and is clamped with the polishing wheel, the driving motor is arranged on the sliding seat, the first driving wheel is arranged at the output end of the driving motor, the first driven wheel is arranged at one end of the intermediate shaft, the first synchronous belt is meshed with the outer periphery side of the first driving wheel and the first driven wheel, the second driving wheel is arranged at one end of the intermediate shaft, which is far away from the first driving wheel, the second driving wheel is meshed with the rotating shaft, and the second driving wheel is arranged at the outer periphery side of the second driving wheel.
10. The long life electromagnet polishing wheel of claim 1 wherein said magnetorheological fluid jet mechanism comprises two first mounts, a first anchor, a jet pipe and a first shield, wherein one of said first mounts is mounted to said first magnetic arm and the other of said first mounts is mounted to said second magnetic arm, said first anchor is mounted between said two first mounts, said jet pipe is mounted to said first anchor and is movable relative to said first anchor, said first shield is mounted to the jet end of said jet pipe; The magnetorheological fluid recovery mechanism comprises two second fixing seats, a second hoop, a recovery pipe and a second magnetic shield, wherein one second fixing seat is installed on the first magnetic arm, the other second fixing seat is installed on the second magnetic arm, the second hoop is installed between the two second fixing seats, the recovery pipe is installed on the second hoop and can move relative to the second hoop, and the second magnetic shield is installed at the recovery end of the recovery pipe.

Description

Long-life electromagnet polishing wheel Technical Field The application relates to the technical field of magnetorheological polishing, in particular to a long-service-life electromagnet polishing wheel. Background The magnetorheological polishing technology is a method for realizing ultra-precise machining by regulating and controlling the rheological property of magnetorheological fluid through a magnetic field, can realize bidirectional reversible conversion from liquid state to quasi-solid state in millisecond level, forms a flexible polishing film with microcosmic leveling capability, has machining precision reaching nanoscale and surface roughness reaching sub-nanoscale, is mainly applied to machining precise devices such as high-precision optical elements, highlight optical elements, mask plates and the like, and has remarkable advantages in the fields of national defense and military industry and civil photoelectricity. The rheological property of the magnetorheological fluid can be controlled by adjusting the strength of an external magnetic field. Currently, when a magnetic field is applied, an electromagnet is generally required, and the intensity of the magnetic field is controlled by controlling the magnitude of current flowing through a coil. However, when the electromagnet is operated for a long time or the current flowing through the coil is large, a large amount of heat is generated, so that the service life of the electromagnet is influenced. In addition, when heat is conducted to a workpiece to be machined, deformation can be caused on the microscopic level of the workpiece to be machined, and the stress is different, so that local microscopic fluctuation is easy to cause, and the machining quality is poor. Disclosure of Invention The application aims to provide a long-life electromagnet polishing wheel, which solves the technical problems of shortened service life and poor processing quality of electromagnet heating heat conduction in the prior art. In order to achieve the purpose, the technical scheme adopted by the application is that the electromagnet polishing wheel with long service life comprises: A mounting plate; The magnetic mechanism comprises a first magnetic arm, a second magnetic arm, a first magnetic pole, a second magnetic pole, an iron core and a coil, wherein the first magnetic arm is arranged on one side of the mounting plate, the second magnetic arm is arranged on the other side of the mounting plate, the first magnetic pole is arranged at one end, far away from the mounting plate, of the first magnetic arm, the second magnetic pole is arranged at one end, far away from the mounting plate, of the second magnetic arm, the iron core is arranged between the first magnetic arm and the second magnetic arm, and the coil is wound on the outer circumferential side of the iron core; The magnetorheological fluid injection mechanism is arranged between the first magnetic arm and the second magnetic arm; The magnetorheological fluid recovery mechanism is arranged between the first magnetic arm and the second magnetic arm; The polishing wheel is rotatably arranged between the first magnetic arm and the second magnetic arm and is positioned between the magnetorheological fluid injection mechanism and the magnetorheological fluid recovery mechanism; the driving mechanism is arranged on the first magnetic arm or the second magnetic arm and is used for driving the polishing wheel to rotate; The circulating cooling mechanism comprises a first circulating cooling assembly, a second circulating cooling assembly, a third circulating cooling assembly and a fourth circulating cooling assembly, wherein the first circulating cooling assembly is installed at one end of the iron core, which is close to the first magnetic arm, the second circulating cooling assembly is installed at one end of the iron core, which is close to the second magnetic arm, the third circulating cooling assembly is installed at the first magnetic arm and the second magnetic arm, and is used for cooling the inside of the iron core, and the fourth circulating cooling assembly is sleeved on the outer circumference side of the coil. Optionally, the first circulation cooling assembly includes first water tank, first liquid head and first feed liquor head, first water tank cover is located the periphery side of iron core, and laminate in first magnetic arm, first liquid head install in first water tank, and will first water tank and outside coolant circulation equipment intercommunication, first feed liquor head install in first water tank, and will first water tank and outside coolant circulation equipment intercommunication. Optionally, the second circulation cooling assembly includes second water tank, second liquid head and second feed liquor head, the second water tank cover is located the periphery side of iron core, and laminate in the second magnetic arm, the second liquid head install in the second water tank, and wil