CN212444367U - Flexible polishing head based on magnetorheological elastomer - Google Patents
Flexible polishing head based on magnetorheological elastomer Download PDFInfo
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- CN212444367U CN212444367U CN202021489016.0U CN202021489016U CN212444367U CN 212444367 U CN212444367 U CN 212444367U CN 202021489016 U CN202021489016 U CN 202021489016U CN 212444367 U CN212444367 U CN 212444367U
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Abstract
The invention relates to a flexible polishing head based on a magnetorheological elastomer, which comprises a connecting shaft, a bracket, a first lead, a second framework, a second electromagnetic coil, a second magnetism isolating sleeve, a support cover, the magnetorheological elastomer, abrasive particles, a pressure sensor, a first magnetism isolating sleeve, a first electromagnetic coil, a first framework, a cover plate, a magnetic conductive iron core, a sleeve, a second lead and a controller. The invention controls the rigidity characteristic of the magnetorheological elastomer by utilizing the magnetic field, and finishes polishing with higher quality and higher efficiency.
Description
Technical Field
The utility model relates to a burnishing tool especially relates to a flexible rubbing head based on magnetic current becomes elastomer.
Background
Polishing is seen everywhere in the mechanical industry, the polishing modes generally comprise manual polishing, mechanical polishing, vibratory polishing, barrel polishing and electrochemical polishing, most polishing modes adopt rigid polishing heads, the polishing of complex curved surfaces is difficult, and the effect of the finished product is poor. Other modes have complex polishing process and high technical requirement on operators, and can also generate harmful effects of waste gas and water, environmental pollution and the like. Therefore, the utility model discloses utilize magnetic field control magnetic current to become elastomer's rigidity characteristic, designed a flexible rubbing head based on magnetic current becomes elastomer.
Disclosure of Invention
An object of the utility model is to provide a flexible rubbing head based on magnetic current becomes elastomer, in order to solve the inhomogeneous problem of polished surface.
In order to effectively solve the above problems, the present invention adopts the following method: the device comprises a connecting shaft 1, a support 2, a first lead 3, a second framework 4, a second electromagnetic coil 5, a second magnetism-isolating sleeve 6, a support cover 7, a magnetorheological elastomer 8, abrasive particles 81, a pressure sensor 9, a first magnetism-isolating sleeve 10, a first electromagnetic coil 11, a first framework 12, a cover plate 13, a magnetic conductive iron core 14, a sleeve 15, a second lead 16 and a controller 17. The connecting shaft 1 is arranged at the top end of the bracket 2; the sleeve 15 is arranged at the bottom of the connecting shaft 1; the second framework 4 is arranged in the outer ring at the bottom of the bracket 2, and the cover plate 13 is arranged at the upper part of the second framework; the first framework 12 is arranged in the inner ring at the bottom of the bracket 2, and the magnetic conductive iron core 14 is arranged at the upper part of the first framework; the support cover 7 is in threaded connection with the bracket 2; the magnetorheological elastomer 8 is arranged between the bottom of the bracket 2 and the support cover 7; the abrasive particles 81 are embedded in the magnetorheological elastomer 8; the controller 17 is arranged in the sleeve, and the first lead 3 and the second lead 16 connected with the output end of the controller are respectively connected with the first electromagnetic coil 11 and the second electromagnetic coil 5; the first electromagnetic coil 11 and the second electromagnetic coil 5 are respectively arranged inside the first framework 12 and the second framework 4, and the outer sides of the first electromagnetic coil and the second electromagnetic coil are respectively wrapped by the first magnetism isolating sleeve 10 and the second magnetism isolating sleeve 5; the pressure sensor 9 is arranged inside the magnetorheological elastomer 8.
The bracket 2 and the support cover 7 are made of magnetic conductive materials.
The bottom of the magnetorheological elastomer 8 is embedded with abrasive particles 81, so that the surface grinding force is increased, and the polishing efficiency is improved.
The pressure sensors 9 are distributed between the inner part of the magnetorheological elastomer 8 and the bottom of the bracket 2 in an array form.
A flexible rubbing head based on magnetic current becomes elastomer's positive effect lie in: by changing the current, the magnetic field is continuously controllable, the rigidity change of the magnetorheological elastomer is controllable, the higher the magnetic field intensity is, the higher the rigidity is, the larger the grinding force generated by abrasive particles embedded at the bottom of the magnetorheological elastomer is, and the polishing efficiency is improved. Meanwhile, the magnetorheological elastomer is used as a flexible material, and can meet the processing requirement of complex curved surfaces. Therefore, the utility model discloses utilize the rigidity characteristic of magnetic field control magnetic current to become elastomer, accomplish to accomplish polishing high-quality high-efficiently more.
Drawings
FIG. 1 is a schematic diagram of an internal structure of a flexible polishing head based on a magnetorheological elastomer;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the figure: 1. the magnetic field generator comprises a connecting shaft, a bracket 2, a first lead 3, a second framework 4, a second electromagnetic coil 5, a second magnetic isolation sleeve 6, a support cover 7, a magnetorheological elastomer 8, abrasive particles 81, a pressure sensor 9, a first magnetic isolation sleeve 10, a first electromagnetic coil 11, a first framework 12, a cover plate 13, a magnetic conductive iron core 14, a sleeve 15, a second lead 16 and a controller 17.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In fig. 1, the utility model relates to a flexible polishing head based on magnetic current becomes elastomer mainly comprises connecting axle 1, support 2, wire 3, No. two skeletons 4, No. two solenoid 5, No. two magnetic sleeves 6, holds in the palm lid 7, magnetic current becomes elastomer 8, grit 81, pressure sensor 9, No. one magnetic sleeve 10, No. one solenoid 11, No. one skeleton 12, apron 13, magnetic core 14, sleeve 15, No. two wires 16, controller 17. The connecting shaft 1 is arranged at the top end of the bracket 2; the sleeve 15 is arranged at the bottom of the connecting shaft 1; the second framework 4 is arranged in the outer ring at the bottom of the bracket 2, and the cover plate 13 is arranged at the upper part of the second framework; the first framework 12 is arranged in the inner ring at the bottom of the bracket 2, and the magnetic conductive iron core 14 is arranged at the upper part of the first framework; the support cover 7 is in threaded connection with the bracket 2; the magnetorheological elastomer 8 is arranged between the bottom of the bracket 2 and the support cover 7; the abrasive particles 81 are embedded in the magnetorheological elastomer 8; the controller 17 is arranged in the sleeve, and the first lead 3 and the second lead 16 connected with the output end of the controller are respectively connected with the first electromagnetic coil 11 and the second electromagnetic coil 5; the first electromagnetic coil 11 and the second electromagnetic coil 5 are respectively arranged inside the first framework 12 and the second framework 4, and the outer sides of the first electromagnetic coil and the second electromagnetic coil are respectively wrapped by the first magnetism isolating sleeve 10 and the second magnetism isolating sleeve 5; the pressure sensor 9 is arranged inside the magnetorheological elastomer 8.
The bracket 2 and the support cover 7 are made of magnetic conductive materials.
The bottom of the magnetorheological elastomer 8 is embedded with abrasive particles 81, so that the surface grinding force is increased, and the polishing efficiency is improved.
The pressure sensors 9 are distributed between the inner part of the magnetorheological elastomer 8 and the bottom of the bracket 2 in an array form.
The utility model relates to a flexible rubbing head's theory of operation based on magnetic current becomes elastomer does: at first, the connecting shaft 1 is connected to the polishing machine, so that the utility model can do rotary motion. In the polishing process, when the magnetorheological elastomer 8 is in contact with a processing surface, a pressure sensor 9 outputs a feedback polishing pressure signal to a controller 17, the controller 17 receives the signal and outputs current to a first lead 3 and a second lead 16, a first electromagnetic coil 11 and a second electromagnetic coil 5 which are connected with the first lead 3 and the second lead 16 generate a controllable gradient magnetic field, the rigidity of the magnetorheological elastomer 8 is changed along with the change of the magnetic field intensity, the higher the magnetic field intensity is, the higher the rigidity is, and the larger the grinding force generated by abrasive particles 81 embedded in the bottom of the magnetorheological elastomer is. The magnetorheological elastomer is used as a flexible material, and can be tangent to the surface of a target workpiece when various workpieces with complex curved surfaces are polished, so that the magnetorheological elastomer is suitable for processing various complex curved surfaces.
Claims (4)
1. A flexible polishing head based on a magnetorheological elastomer is characterized in that: the magnetic field sensor is composed of a connecting shaft (1), a support (2), a first lead (3), a second framework (4), a second electromagnetic coil (5), a second magnetism isolating sleeve (6), a support cover (7), a magnetorheological elastomer (8), abrasive particles (81), a pressure sensor (9), a first magnetism isolating sleeve (10), a first electromagnetic coil (11), a first framework (12), a cover plate (13), a magnetic conductive iron core (14), a sleeve (15), a second lead (16) and a controller (17); the connecting shaft (1) is arranged at the top end of the bracket (2); the sleeve (15) is arranged at the bottom of the connecting shaft (1); the second framework (4) is arranged in the outer ring of the bottom of the bracket (2), and the cover plate (13) is arranged at the upper part of the second framework; the first framework (12) is arranged in the inner ring at the bottom of the bracket (2), and the magnetic conductive iron core (14) is arranged at the upper part of the first framework; the support cover (7) is in threaded connection with the bracket (2); the magnetorheological elastomer (8) is arranged between the bottom of the bracket (2) and the support cover (7); the abrasive particles (81) are embedded in the magnetorheological elastomer (8); the controller (17) is arranged in the sleeve, and a first lead (3) and a second lead (16) which are connected with the output end of the controller are respectively connected with the first electromagnetic coil (11) and the second electromagnetic coil (5); the first electromagnetic coil (11) and the second electromagnetic coil (5) are respectively arranged in the first framework (12) and the second framework (4), and the outer sides of the first electromagnetic coil and the second electromagnetic coil are respectively wrapped by the first magnetism isolating sleeve (10) and the second magnetism isolating sleeve (6); the pressure sensor (9) is arranged inside the magnetorheological elastomer (8).
2. A flexible polishing head based on a magnetorheological elastomer, according to claim 1, wherein: the bracket (2) and the support cover (7) are made of magnetic conductive materials.
3. A flexible polishing head based on a magnetorheological elastomer, according to claim 1, wherein: abrasive particles (81) are embedded at the bottom of the magnetorheological elastomer (8), so that the surface grinding force is increased, and the polishing efficiency is improved.
4. A flexible polishing head based on a magnetorheological elastomer, according to claim 1, wherein: the pressure sensors (9) are distributed between the inner part of the magnetorheological elastomer (8) and the bottom of the bracket (2) in an array form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021489016.0U CN212444367U (en) | 2020-07-25 | 2020-07-25 | Flexible polishing head based on magnetorheological elastomer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021489016.0U CN212444367U (en) | 2020-07-25 | 2020-07-25 | Flexible polishing head based on magnetorheological elastomer |
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| CN212444367U true CN212444367U (en) | 2021-02-02 |
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| CN202021489016.0U Active CN212444367U (en) | 2020-07-25 | 2020-07-25 | Flexible polishing head based on magnetorheological elastomer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021185A (en) * | 2021-03-08 | 2021-06-25 | 长沙理工大学 | Variable-rigidity grinding tool based on optical flow variable effect |
| CN113664698A (en) * | 2021-09-14 | 2021-11-19 | 浙江师范大学 | Magnetic control modulus plane polishing device and polishing method |
-
2020
- 2020-07-25 CN CN202021489016.0U patent/CN212444367U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021185A (en) * | 2021-03-08 | 2021-06-25 | 长沙理工大学 | Variable-rigidity grinding tool based on optical flow variable effect |
| CN113664698A (en) * | 2021-09-14 | 2021-11-19 | 浙江师范大学 | Magnetic control modulus plane polishing device and polishing method |
| CN113664698B (en) * | 2021-09-14 | 2022-06-10 | 浙江师范大学 | Magnetic control modulus plane polishing device and polishing method |
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