CN214054849U - Ultrasonic-assisted electromagnetic permanent magnet composite plane grinding device - Google Patents
Ultrasonic-assisted electromagnetic permanent magnet composite plane grinding device Download PDFInfo
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- CN214054849U CN214054849U CN202022689012.3U CN202022689012U CN214054849U CN 214054849 U CN214054849 U CN 214054849U CN 202022689012 U CN202022689012 U CN 202022689012U CN 214054849 U CN214054849 U CN 214054849U
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Abstract
The utility model relates to a compound plane device that grinds of electromagnetism permanent magnetism is assisted to supersound, including the lathe, connect the magnetic head that gathers on the perpendicular main shaft of lathe, be equipped with the backup pad on the lathe workstation, spring coupling support frame is passed through to one side of backup pad, and ultrasonic vibration device is connected to the opposite side of backup pad, and the below of backup pad is equipped with the coil, and the coil is connected with drive power supply. The ultrasonic vibration device comprises an ultrasonic generator, an energy converter, a collecting ring and an amplitude transformer which are connected with each other, and the amplitude transformer is fixedly connected with the supporting plate. The utility model discloses a lead to constantly changeable alternating current and then produce constantly changeable alternating magnetic field, promoted rolling and the renewal of grit, be favorable to increasing the self-sharpening nature of grit. The size of the alternating current magnetic field force can be changed by controlling the size of the alternating current, so that the optimal cutting force can be determined by changing the size of the alternating current for workpieces made of various different materials, and the optimal cutting effect is achieved.
Description
Technical Field
The utility model relates to an ultra-precision machining technical field, in particular to compound planar device of grinding of supplementary electromagnetism permanent magnetism of supersound.
Background
With the development of economy, science and technology and defense industry in the 20 th century, the manufacturing industry has occupied more and more international and domestic proportion, especially in the high-level, high-quality and high-requirement processing technical field such as precision and ultra-precision processing.
Polishing is a process of modifying the surface of a workpiece by using a polishing tool and abrasive particles or other polishing media, and commonly used polishing methods include mechanical polishing, chemical polishing, electrolytic polishing, ultrasonic polishing, fluid polishing, magnetic grinding polishing and the like. At present, the main polishing methods adopted by domestic enterprises are traditional mechanical milling machine polishing and manual sand paper polishing.
The traditional mechanical polishing method is a polishing method for obtaining a smooth surface by cutting and plastic deformation of the surface of a material to remove polished convex parts, generally adopts oilstone strips, wool wheels, abrasive paper and the like, mainly adopts manual operation, can use auxiliary tools such as a turntable and the like for special parts such as the surface of a revolving body, is simple to operate, but has low processing efficiency and difficult guarantee of processing precision.
The magnetic grinding and polishing is to grind and process a workpiece by using a magnetic grinding material to form a grinding material brush under the action of a magnetic field. The method has the advantages of high processing efficiency, good quality, easy control of processing conditions and good working conditions.
The ultrasonic polishing process is to apply grinding pressure to magnetic grinding materials by generating vibration and promote the rolling and updating of the grinding materials, but a traditional generating wave generator is generally arranged on a main shaft of a machine tool and is easy to cause the machine tool to shake, so that the final grinding and polishing effect is poor.
Disclosure of Invention
The utility model aims to solve the technical problem that a compound planar device of grinding of electromagnetism permanent magnetism is assisted to supersound is provided, and panel surface finish is effectual, and polishing efficiency improves greatly.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a compound plane device that grinds of electromagnetism permanent magnetism is assisted to supersound, includes the lathe, connects the magnetic head that gathers on the perpendicular main shaft of lathe, is equipped with the backup pad on the lathe workstation, and one side of backup pad is through spring coupling support frame, and the ultrasonic vibration device is connected to the opposite side of backup pad, and the below of backup pad is equipped with the coil, and the coil is connected with drive power supply.
The ultrasonic vibration device comprises an ultrasonic generator, an energy converter, a collecting ring and an amplitude transformer which are connected with each other, and the amplitude transformer is fixedly connected with the supporting plate.
The support frame is in threaded connection with the machine tool workbench.
The supporting plate is connected with the supporting frame through a supporting rod, and a clamping bolt is arranged above the supporting plate.
The driving power supply is a constant-current power driving power supply and is arranged on the power supply bracket.
The ultrasonic vibration device is connected with the machine tool workbench through an ultrasonic bracket.
The spring is in a compressed state.
The distance between the coil and the support plate is 1mm-3 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a lead to constantly changeable alternating current and then produce constantly changeable alternating magnetic field, promoted rolling and the renewal of grit, be favorable to increasing the self-sharpening nature of grit. The size of the alternating current magnetic field force can be changed by controlling the size of the alternating current, so that the optimal cutting force can be determined by changing the size of the alternating current for workpieces made of various different materials, and the optimal cutting effect is achieved.
The ultrasonic device provides intermittent shearing force for the polishing device, and the processing efficiency can be greatly improved. Meanwhile, the ultrasonic vibration generated by the ultrasonic vibration device can promote the abrasive particles adsorbed on the aggregation head to roll and update, so that the service life of the abrasive particles is greatly prolonged.
The spring on one side of the supporting plate applies pretightening force to be in a compression state before the device works, so that the supporting plate between the spring and the amplitude transformer can be prevented from shaking violently, meanwhile, the vibration of the machine tool can be reduced, and the service life of the machine tool is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of an ultrasonic vibration device.
Fig. 3 is a schematic view of workpiece clamping.
Fig. 4 is a schematic view of the process.
FIG. 5 is a schematic view of a magnetic focusing head.
In the figure: the device comprises a machine tool 1, a magnetic head 2, a machine tool workbench 3, a support plate 4, a spring 5, a support frame 6, an ultrasonic vibration device 7, a coil 8, a driving power supply 9, a support rod 10, a clamping bolt 11, an ultrasonic generator 12, a transducer 13, a collecting ring 14, an amplitude transformer 15, a power supply support 16, an ultrasonic support 17, a planar workpiece 18 and a magnetic abrasive 19.
Detailed Description
The following further describes the embodiments of the present invention with reference to the attached drawings:
referring to fig. 1-5, an ultrasonic-assisted electromagnetic permanent magnet composite plane grinding device comprises a machine tool 1, wherein a focusing head 2 is connected to a vertical main shaft of the machine tool, a supporting plate 4 is arranged on a machine tool workbench 3, one side of the supporting plate 4 is connected with a supporting frame 6 through a spring 5, the supporting plate 4 is connected with the bottom surface of the supporting frame 6 through a supporting rod 10, the supporting frame 6 is in threaded connection with the machine tool workbench 3, a clamping bolt 11 is arranged above the supporting plate 4, an ultrasonic vibration device 7 is connected to the other side of the supporting plate 4, and the ultrasonic vibration device 7 is connected with the machine tool workbench 3 through an ultrasonic support 17.
The ultrasonic vibration device 7 comprises an ultrasonic generator 12, a transducer 13, a collecting ring 14 and a variable amplitude rod 15 which are connected with each other, and the variable amplitude rod 15 is fixedly connected with the support plate 4. The diameter of the amplitude transformer is 8mm-12mm, a coil 8 is arranged below the supporting plate 4, and the distance between the coil and the supporting plate is 1mm-3 mm.
The coil 8 is connected to a drive power supply 9. The driving power supply 9 is a constant-current power driving power supply, and the driving power supply 9 is arranged on the power supply bracket 16.
Examples
The utility model provides a compound planar device that grinds of electromagnetism permanent magnetism is assisted to supersound, including lathe 1, connect on the perpendicular main shaft of lathe and gather magnetic head 2, be equipped with backup pad 4 on the lathe workstation 3, spring 5 joint support frame 6 is passed through to one side of backup pad 4, backup pad 4 is connected through the bottom surface of bracing piece 10 with support frame 6, support frame 6 and 3 spiro unions of lathe workstation, the top of backup pad 4 is equipped with clamping bolt 11, ultrasonic vibration device 7 is connected to the opposite side of backup pad 4, ultrasonic vibration device 7 passes through ultrasonic support 17 and is connected with lathe workstation 3.
The ultrasonic vibration device 7 comprises an ultrasonic generator 12, a transducer 13, a collecting ring 14 and a variable amplitude rod 15 which are connected with each other, and the variable amplitude rod 15 is fixedly connected with the support plate 4. The diameter of the amplitude transformer is 8mm, a coil 8 is arranged below the supporting plate 4, and the distance between the coil and the supporting plate is 2 mm. The coil 8 is connected to a drive power supply 9. The driving power supply 9 is a constant-current power driving power supply, and the driving power supply 9 is arranged on the power supply bracket 16.
According to the method for processing the planar workpiece by the device, the planar workpiece 18 is fixed on the supporting plate 4 through the clamping bolt 11, the magnetic focusing head 2 is clamped by the machine tool to rotate, the driving power supply 9 is connected with the coil 8 to provide an alternating magnetic field with constantly changing magnetic field force, the magnetic grinding materials 19 are adsorbed at the lower end of the magnetic focusing head 2, the magnetic grinding materials 19 form a flexible magnetic brush under the action of a fixed magnetic field and the alternating magnetic field, the magnetic brush grinds the workpiece, the ultrasonic generator 12 sends out an electric signal, the electric signal is changed into a vibration signal through the transducer 13, the vibration is adjusted by the amplitude transformer 14 and then transmitted to the supporting plate 4, so that the workpiece generates vibration, and the workpiece is subjected to composite grinding.
The distance between the lower surface of the magnetic gathering head and the surface of the workpiece is 20 mm.
The frequency of the ultrasonic generator is 20kHz, the maximum output power is 1200w, the current of the driving power supply is 1.2A, and the power is 300 Hz;
the magnetic abrasive is prepared by mixing sintered magnetic abrasive with average grain diameter of 100 μm and oil-based grinding fluid at a volume ratio of 1: 2.
The rotation speed of the main shaft of the machine tool is set to be 1000-2500r/min for fine grinding, the processing time is 20min, the rotation speed of the main shaft of the machine tool is set to be 2000-3000r/min for ultra-fine grinding, and the processing time is 25 min.
The above is only the basic principle of the present invention, not to the present invention makes any limitation, all the bases of the present invention are the same changes and modifications to the above, all within the scope of the protection scheme of the present patent technology.
Claims (7)
1. The ultrasonic-assisted electromagnetic permanent magnet composite plane grinding device is characterized by comprising a machine tool, wherein a vertical main shaft of the machine tool is connected with a magnetic gathering head, a workbench of the machine tool is provided with a supporting plate, one side of the supporting plate is connected with a supporting frame through a spring, the other side of the supporting plate is connected with an ultrasonic vibration device, a coil is arranged below the supporting plate, and the coil is connected with a driving power supply.
2. The device for ultrasonically assisting in electromagnetically and permanently compounding grinding planes as claimed in claim 1, wherein the ultrasonic vibration device comprises an ultrasonic generator, a transducer, a collecting ring and a horn, which are connected with each other, and the horn is fixedly connected with the supporting plate.
3. The apparatus of claim 1, wherein the support is screwed to the machine tool table.
4. The device for ultrasonically assisting the electromagnetic and permanent magnetic composite grinding plane according to claim 1, wherein the supporting plate is connected with the supporting frame through a supporting rod, and a clamping bolt is arranged above the supporting plate.
5. The apparatus of claim 1, wherein the driving power supply is a constant current power driving power supply, and the driving power supply is disposed on the power supply bracket.
6. An ultrasonic-assisted electromagnetic permanent magnet compound grinding plane device according to claim 1, characterized in that the ultrasonic vibration device is connected with a machine tool workbench through an ultrasonic bracket.
7. An ultrasonically assisted electromagnetic permanent magnet compound abrasive finishing plate device according to claim 1, wherein the spring is in a compressed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022689012.3U CN214054849U (en) | 2020-11-19 | 2020-11-19 | Ultrasonic-assisted electromagnetic permanent magnet composite plane grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022689012.3U CN214054849U (en) | 2020-11-19 | 2020-11-19 | Ultrasonic-assisted electromagnetic permanent magnet composite plane grinding device |
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| Publication Number | Publication Date |
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| CN214054849U true CN214054849U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022689012.3U Active CN214054849U (en) | 2020-11-19 | 2020-11-19 | Ultrasonic-assisted electromagnetic permanent magnet composite plane grinding device |
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| CN (1) | CN214054849U (en) |
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- 2020-11-19 CN CN202022689012.3U patent/CN214054849U/en active Active
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