CN104084826A - Flexible clamp based on magneto-rheological plaster - Google Patents
Flexible clamp based on magneto-rheological plaster Download PDFInfo
- Publication number
- CN104084826A CN104084826A CN201410308168.9A CN201410308168A CN104084826A CN 104084826 A CN104084826 A CN 104084826A CN 201410308168 A CN201410308168 A CN 201410308168A CN 104084826 A CN104084826 A CN 104084826A
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- CN
- China
- Prior art keywords
- magnetorheological clay
- clamping
- flexible fixture
- magnetorheological
- flexible
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
- B23Q3/154—Stationary devices
- B23Q3/1543—Stationary devices using electromagnets
Abstract
A flexible clamp based on magneto-rheological plaster comprises a clamp base. The clamp base is provided with a fixed clamping body and a movable clamping body. The fixed clamping body and the movable clamping body are respectively provided with an iron core, the two iron cores are located on the same axis line, the iron cores are wound by magnet exciting coils respectively, the magnet exciting coils are respectively connected with a direct current power source through wires, the opposite ends of the two iron cores respectively fix a clamping plate, the clamping planes of the two clamping plates are provided with grooves oppositely corresponding to each other, the two grooves are respectively filled with magneto-rheological plaster, and openings of the grooves are respectively sealed through a rubber sheet. The flexible clamp is fast in response, easy to control, good in stability and high in reliability.
Description
Technical field
The present invention relates to fixture field, particularly relate to a kind of flexible fixture based on magnetorheological clay.
Background technology
After 20 century 70s, along with NC lathe and machining center generally use aborning, flexibility becomes one of main development direction of modern manufacturing industry, continues to continue to use special fixture restriction manufacturing system is realized to real flexibility, and flexible fixture arises at the historic moment.The flexible fixture using at present mainly contains: phase transformation and pseudo-phase-change material formula flexible fixture, modularized program are controlled formula fixture, bionical clip fixture, capable of regulating fixture, modular fixture and the built-up jig etc. of grabbing.Above-mentioned these clamp structures are too complicated, high cost, and flexible limited, be not easy to popularize aborning, also can not reach the standard of engineering application far away, many problems wait to solve.Along with the appearance of intellectual material, there is new direction in the development of flexible fixture.Magnetorheological materials is a kind of intellectual material that affected by external magnetic field and change its particular characteristic, and wherein the most representative magnetorheological materials is magnetic flow liquid, and at present magnetic flow liquid has been successfully applied to and in engineering practice, has manufactured flexible fixture.Yet magnetic flow liquid but exists the poor feature of sedimentation stability, thereby limited the scope of application of magnetic flow liquid.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of flexible fixture based on magnetorheological clay is provided, its response rapidly, is controlled simply, and good stability, and reliability is high.
The object of the present invention is achieved like this:
A kind of flexible fixture based on magnetorheological clay, comprise clamping fixture seat, on this clamping fixture seat, be respectively equipped with fixed clamp body, movable cramping body, described fixed clamp body, on movable cramping body, be respectively equipped with an iron core, two iron cores are positioned on same axial line, difference coiling magnet exciting coil on each iron core, each magnet exciting coil is connected with dc source by wire respectively, the end in opposite directions of described two iron cores is fixed respectively a grip block, the clamping face of two grip blocks is provided with corresponding in opposite directions groove, in two grooves, fill respectively magnetorheological clay, the opening of each groove seals by a sheet rubber respectively.
Described magnetorheological clay is mixed by high molecular polymer matrix and carbonyl iron dust, and the mass percent of described high molecular polymer matrix is 20%, and the mass percent of carbonyl iron dust is 80%.
The degree of depth of described two grooves is 5～10mm.
The thickness of described two sheet rubbers is 0.5～1.5mm;
Described two grip blocks are made by non-magnet_conductible material.
The material of described grip block is aluminium alloy.
Described fixed clamp body is weldingly fixed on clamping fixture seat, described movable cramping body is snug fit at the chute that clamping fixture seat is provided with, the bottom of movable cramping body is provided with screwed hole, axial location one screw rod on described clamping fixture seat, the screwed hole threaded engagement of this screw rod and movable cramping body, forms leading screw and nut mechanism.
One end of described screw rod is provided with handle.
Described two grip blocks are adhesively fixed on respectively on corresponding iron core.
Owing to having adopted such scheme, on fixed clamp body, movable cramping body, be respectively equipped with an iron core, the end in opposite directions of two iron cores is fixed respectively a grip block for clamping work pieces.The clamping face of two grip blocks is provided with in opposite directions corresponding groove, fills respectively magnetorheological clay in two grooves, and the opening of each groove seals by a sheet rubber respectively, the outer face of two sheet rubbers respectively with workpiece contact gripping workpiece.On each iron core, the magnet exciting coil of coiling is connected with dc source by wire respectively, regulate the magnetic field at the size control iron core place of dc source output current, thereby change the normal force that magnetorheological clay acts on flexible rubber sheet, make flexible rubber sheet be close to workpiece, form and clamp.Magnetorheological clay has adopted full-bodied high molecular polymer matrix to replace the liquid matrix of magnetic flow liquid, overcome the poor problem of its sedimentation stability, reliability is high, and magnetorheological clay have equally magnetic flow liquid under magnetic fields, control easy, respond the advantages such as rapid.The magnetic control mechanical characteristic of magnetorheological clay occurs to change continuously under magnetic fields, can be by regulating the size of electric current to change magnetic field size, the clamping of adaptive realization to the irregular workpiece of various geometries, can also be to low rigidity, the workpiece that in clamping process, profile and size have trace to change is realized flexible clamping.In use procedure, first adjusting activity cramping body makes workpiece just contact with two sheet rubbers, regulate again the size of dc source output current to control the magnetic field at iron core place, thereby change the normal force that magnetorheological clay acts on flexible rubber sheet, make flexible rubber sheet clamping work pieces.This flexible fixture structure, simple to operate, is easy to safeguard.
Two grip blocks are made by non-magnet_conductible material.When magnet exciting coil is switched on, two grip blocks can not be magnetized and produce magnetic field, therefore, be applied on magnetorheological clay magnetic field intensity more easily control, the reliability of clamping is higher.Fixed clamp body is weldingly fixed on clamping fixture seat, movable cramping body is snug fit at the chute that clamping fixture seat is provided with, and the bottom of movable cramping body is provided with screwed hole, axial location one screw rod on described clamping fixture seat, the screwed hole threaded engagement of this screw rod and movable cramping body, forms leading screw and nut mechanism.The screw rod of rotary screw rod nut body, Linear-moving that can realization activity cramping body.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In accompanying drawing, 1 is magnetorheological clay, and 2 is sheet rubber, and 3 is magnet exciting coil, and 4 is iron core, and 5 is grip block, and 6 is clamping fixture seat, and 7 is dc source, and 8 is screw rod, and 9 is fixed clamp body, and 10 is movable cramping body, and 11 is chute, and 12 is handle.
The specific embodiment
Referring to Fig. 1, a kind of embodiment for the flexible fixture based on magnetorheological clay, comprise clamping fixture seat 6, on this clamping fixture seat 6, be respectively equipped with fixed clamp body 9, movable cramping body 10, described fixed clamp body 9 is weldingly fixed on clamping fixture seat 6, described movable cramping body 10 is snug fit at the chute 11 that clamping fixture seat 6 is provided with, the bottom of movable cramping body 10 is provided with screwed hole, axial location one screw rod 8 on described clamping fixture seat 6, in the present embodiment, this screw rod 8 is supported in clamping fixture seat 6 by thrust bearing, is provided with for the cavity of screw rod 8 is installed in clamping fixture seat 6.The screwed hole threaded engagement of this screw rod 8 and movable cramping body 10, forms leading screw and nut mechanism.Further, one end of described screw rod 8 is provided with handle 12, is convenient to rotating screw bolt 8, and movable cramping body 10 is moved towards fixed clamp body 9.
On described fixed clamp body 9, movable cramping body 10, be respectively equipped with iron core 4, two iron cores 4 and be rectangular-shaped, two iron cores 4 are positioned on same axial line, are convenient to holding workpiece.Difference coiling magnet exciting coil 3 on each iron core 4, each magnet exciting coil 3 is connected with dc source 7 by wire respectively, the end in opposite directions of described two iron cores 4 is fixed respectively a grip block 5, in the present embodiment, described two grip blocks 5 are adhesively fixed on respectively on corresponding iron core 4, and bonding way is fixed does not need to damage grip block 5 and iron core 4.Described two grip blocks 5 are made by non-magnet_conductible material.Further, the material of described grip block 5 is aluminium alloy.The clamping face of two grip blocks 5 is provided with corresponding in opposite directions groove, and the degree of depth of described two grooves is 5～10mm.In two grooves, fill respectively magnetorheological clay 1, described magnetorheological clay 1 is mixed by high molecular polymer matrix and carbonyl iron dust, and the mass percent of described high molecular polymer matrix is 20%, and the mass percent of carbonyl iron dust is 80%.In the present embodiment, high molecular polymer matrix adopting polyurethane.The opening of each groove is respectively by sheet rubber 2 sealings.The thickness of described two sheet rubbers 2 is 0.5～1.5mm.
The present invention is not only confined to above-described embodiment, carries out the technical scheme of a little change in the situation that not deviating from technical solution of the present invention spirit, should fall into protection scope of the present invention.
Claims (9)
1. the flexible fixture based on magnetorheological clay, comprise clamping fixture seat (6), on this clamping fixture seat (6), be respectively equipped with fixed clamp body (9), movable cramping body (10), it is characterized in that: described fixed clamp body (9), on movable cramping body (10), be respectively equipped with an iron core (4), two iron cores (4) are positioned on same axial line, the upper coiling magnet exciting coil (3) respectively of each iron core (4), each magnet exciting coil (3) is connected with dc source (7) by wire respectively, the end in opposite directions of described two iron cores (4) is fixed respectively a grip block (5), the clamping face of two grip blocks (5) is provided with corresponding in opposite directions groove, in two grooves, fill respectively magnetorheological clay (1), the opening of each groove is respectively by a sheet rubber (2) sealing.
2. the flexible fixture based on magnetorheological clay according to claim 1, it is characterized in that: described magnetorheological clay (1) is mixed by high molecular polymer matrix and carbonyl iron dust, the mass percent of described high molecular polymer matrix is 20%, and the mass percent of carbonyl iron dust is 80%.
3. the flexible fixture based on magnetorheological clay according to claim 1, is characterized in that: the degree of depth of described two grooves is 5～10mm.
4. the flexible fixture based on magnetorheological clay according to claim 1, is characterized in that: the thickness of described two sheet rubbers (2) is 0.5～1.5mm.
5. the flexible fixture based on magnetorheological clay according to claim 1, is characterized in that: described two grip blocks (5) are made by non-magnet_conductible material.
6. the flexible fixture based on magnetorheological clay according to claim 5, is characterized in that: the material of described grip block (5) is aluminium alloy.
7. the flexible fixture based on magnetorheological clay according to claim 1, it is characterized in that: described fixed clamp body (9) is weldingly fixed on clamping fixture seat (6), described movable cramping body (10) is snug fit at the chute (11) that clamping fixture seat (6) is provided with, the bottom of movable cramping body (10) is provided with screwed hole, upper axial location one screw rod (8) of described clamping fixture seat (6), the screwed hole threaded engagement of this screw rod (8) and movable cramping body (10), forms leading screw and nut mechanism.
8. the flexible fixture based on magnetorheological clay according to claim 7, is characterized in that: one end of described screw rod (8) is provided with handle (12).
9. the flexible fixture based on magnetorheological clay according to claim 1, is characterized in that: described two grip blocks (5) are adhesively fixed on respectively on corresponding iron core (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308168.9A CN104084826B (en) | 2014-07-01 | 2014-07-01 | Flexible fixture based on magnetorheological clay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308168.9A CN104084826B (en) | 2014-07-01 | 2014-07-01 | Flexible fixture based on magnetorheological clay |
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| Publication Number | Publication Date |
|---|---|
| CN104084826A true CN104084826A (en) | 2014-10-08 |
| CN104084826B CN104084826B (en) | 2016-08-17 |
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| CN201410308168.9A Active CN104084826B (en) | 2014-07-01 | 2014-07-01 | Flexible fixture based on magnetorheological clay |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625822A (en) * | 2015-01-30 | 2015-05-20 | 西北工业大学 | Flexible supporting device |
| CN104772727A (en) * | 2015-04-24 | 2015-07-15 | 严瑾 | Rigid-flexible blended clamp |
| CN104907957A (en) * | 2015-05-25 | 2015-09-16 | 中南大学 | Coaxial photoelectronic device coupling fixture based on magneto-rheological technology |
| CN104914521A (en) * | 2015-05-25 | 2015-09-16 | 中南大学 | Fixture capable of adjusting angle automatically and use for coaxial type photoelectronic device coupling |
| CN107322347A (en) * | 2017-09-05 | 2017-11-07 | 河北工业大学 | A kind of novel and multifunctional flexible fixture and its application method |
| CN107433535A (en) * | 2017-07-31 | 2017-12-05 | 无锡康柏斯机械科技有限公司 | One kind filtering detection formula electromagnetic induction control fixture |
| CN108032022A (en) * | 2017-12-06 | 2018-05-15 | 叶松 | A kind of clamp device and fastening method |
| CN108529235A (en) * | 2018-04-17 | 2018-09-14 | 京东方科技集团股份有限公司 | Handling device |
| CN108637747A (en) * | 2018-07-31 | 2018-10-12 | 六安市新突破机械设备有限公司 | A kind of electromagnetic sucker type frock clamp and technique |
| CN108957161A (en) * | 2017-05-24 | 2018-12-07 | 昆山国显光电有限公司 | The reliability detecting device and its application method of flexible screen |
| CN109127632A (en) * | 2018-09-19 | 2019-01-04 | 中国水稻研究所 | A kind of multipurpose vent cabinet |
| CN109664219A (en) * | 2018-12-17 | 2019-04-23 | 中国航发动力股份有限公司 | A kind of type surface self-adaption fixture and its application method |
| CN110588087A (en) * | 2019-09-25 | 2019-12-20 | 东北大学 | Fiber metal hybrid composite material for filling MRE interlayer and preparation method thereof |
| CN111067689A (en) * | 2020-01-21 | 2020-04-28 | 羽源洋(宁波)科技有限公司 | Instrument and method for fixing bone fracture part by utilizing magnetic fluid in orthopedics department |
| CN114871960A (en) * | 2022-04-18 | 2022-08-09 | 同济大学 | Multifunctional flexible damping element based on magnetorheological material |
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| JPH10303017A (en) * | 1997-04-22 | 1998-11-13 | Kanetetsuku Kk | Magnetic-adsorption holder |
| CN1543388A (en) * | 2001-07-26 | 2004-11-03 | 施托布利技术系统公司 | Magnetic clamping device and method for detecting and controlling an operating state of a magnetic clamping device |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625822B (en) * | 2015-01-30 | 2016-10-26 | 西北工业大学 | Flexible supporting device |
| CN104625822A (en) * | 2015-01-30 | 2015-05-20 | 西北工业大学 | Flexible supporting device |
| CN104772727A (en) * | 2015-04-24 | 2015-07-15 | 严瑾 | Rigid-flexible blended clamp |
| CN104772727B (en) * | 2015-04-24 | 2017-05-17 | 严瑾 | Rigid-flexible blended clamp |
| CN104907957A (en) * | 2015-05-25 | 2015-09-16 | 中南大学 | Coaxial photoelectronic device coupling fixture based on magneto-rheological technology |
| CN104914521A (en) * | 2015-05-25 | 2015-09-16 | 中南大学 | Fixture capable of adjusting angle automatically and use for coaxial type photoelectronic device coupling |
| CN108957161A (en) * | 2017-05-24 | 2018-12-07 | 昆山国显光电有限公司 | The reliability detecting device and its application method of flexible screen |
| CN108957161B (en) * | 2017-05-24 | 2020-09-18 | 昆山国显光电有限公司 | Reliability detection device of flexible screen and use method thereof |
| CN107433535A (en) * | 2017-07-31 | 2017-12-05 | 无锡康柏斯机械科技有限公司 | One kind filtering detection formula electromagnetic induction control fixture |
| CN107322347A (en) * | 2017-09-05 | 2017-11-07 | 河北工业大学 | A kind of novel and multifunctional flexible fixture and its application method |
| CN108032022A (en) * | 2017-12-06 | 2018-05-15 | 叶松 | A kind of clamp device and fastening method |
| CN108529235A (en) * | 2018-04-17 | 2018-09-14 | 京东方科技集团股份有限公司 | Handling device |
| CN108637747A (en) * | 2018-07-31 | 2018-10-12 | 六安市新突破机械设备有限公司 | A kind of electromagnetic sucker type frock clamp and technique |
| CN109127632A (en) * | 2018-09-19 | 2019-01-04 | 中国水稻研究所 | A kind of multipurpose vent cabinet |
| CN109127632B (en) * | 2018-09-19 | 2023-12-22 | 中国水稻研究所 | Multipurpose fume chamber |
| CN109664219A (en) * | 2018-12-17 | 2019-04-23 | 中国航发动力股份有限公司 | A kind of type surface self-adaption fixture and its application method |
| CN110588087A (en) * | 2019-09-25 | 2019-12-20 | 东北大学 | Fiber metal hybrid composite material for filling MRE interlayer and preparation method thereof |
| CN111067689A (en) * | 2020-01-21 | 2020-04-28 | 羽源洋(宁波)科技有限公司 | Instrument and method for fixing bone fracture part by utilizing magnetic fluid in orthopedics department |
| CN114871960A (en) * | 2022-04-18 | 2022-08-09 | 同济大学 | Multifunctional flexible damping element based on magnetorheological material |
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| CN104084826B (en) | 2016-08-17 |
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