CN115401494A - Multi-working-surface electric control permanent magnetic chuck - Google Patents
Multi-working-surface electric control permanent magnetic chuck Download PDFInfo
- Publication number
- CN115401494A CN115401494A CN202211047359.5A CN202211047359A CN115401494A CN 115401494 A CN115401494 A CN 115401494A CN 202211047359 A CN202211047359 A CN 202211047359A CN 115401494 A CN115401494 A CN 115401494A
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- magnetic pole
- magnetic
- pole block
- working
- chuck
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- 230000005389 magnetism Effects 0.000 claims abstract description 13
- 230000002441 reversible effect Effects 0.000 claims description 44
- 230000005347 demagnetization Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 7
- 238000012512 characterization method Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 241000252254 Catostomidae Species 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- 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
The invention provides a multi-working-surface electric control permanent magnetic chuck which comprises a shell, wherein at least one side surface of six surfaces of the shell is provided with a cavity, a right-angle magnetic pole unit group or a single magnetic pole unit is arranged in a plurality of cavities, the characterization magnetism of adjacent magnetic pole units is different, the magnetic pole units with different characterization magnetism are pairwise arranged on the side surface of the shell in an array manner, and each working surface of the electric control permanent magnetic chuck can work independently or simultaneously. The right-angle magnetic pole unit group or the single magnetic pole unit can be arranged on each side surface of the sucker, the requirements of different application scenes on the sucker are met, the sucker is controlled to demagnetize or semi-demagnetize according to needs, and different adsorption requirements are met. When the sucker is used as a clamp to adsorb a workpiece with a vertical surface, loads can be applied to the clamped workpiece in different directions, so that double-sided adsorption is more stable and reliable, the stress of the workpiece can be more uniform, and the processing precision is improved.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to an electric control permanent magnetic chuck with multiple working surfaces.
Background
The electric control permanent magnetic chuck is a novel clamp designed and developed by combining the characteristics of electromagnetism and permanent magnetism. The novel magnetic sucker is switched on and off by adopting electric pulses, and the time for switching on and off is less than 1 second. The sucker is very safe and reliable in the process of sucking a workpiece to be processed. After the workpiece is magnetically held, the suction cup maintains the magnetic attraction force indefinitely. The method is widely applied to numerical control machining centers, milling machines, engraving and milling machines and the like.
In the field of machine manufacturing, the electric control permanent magnetic chuck has wide application range, such as machine tool clamps, hoisting machinery, rapid die change and the like. The basic principle of the electric control permanent magnetic chuck is that two permanent magnetic materials with different coercive forces are used as a permanent magnet and a reversible magnet, a magnetic circuit is formed by means of a magnetic yoke and a magnetic pole block, and the polarity of the reversible magnet is changed by applying short-time positive/reverse pulse current to a control coil, so that the chuck achieves two working states of external loading and unloading. The electric control permanent magnetic chuck has the advantages of safety and convenience in use, high working efficiency, strong suction force and the like.
At present, with the rapid development of the mechanical industry, the requirements on the suckers are more and more exquisite, and some suckers with multiple working surfaces are needed to meet the processing requirements of manufacturers. The multi-working-face electric control permanent magnetic chuck can be applied to occasions with magnetic attraction requirements on multiple faces. However, since the suction cups in the prior art are generally single-sided suction cups, and there is no suction cup capable of simultaneously operating a plurality of surfaces, there is an urgent need to research a suction cup capable of simultaneously operating a plurality of surfaces.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the multi-working-surface electric control permanent magnetic chuck with more than two working surfaces capable of generating magnetic attraction, and the magnetic attraction of the working surfaces can be independently controlled, so that the application in a plurality of special application scenes is met.
The invention provides a multi-working-surface electric control permanent magnetic chuck, which comprises a shell, wherein a plurality of cavities are processed on at least one side surface of six surfaces of the shell, a right-angle magnetic pole unit group or a single magnetic pole unit is installed in the cavities, when the magnetic pole units are installed, the characterization magnetism of adjacent magnetic pole units is different, the magnetic pole units with different characterization magnetism are paired pairwise and are installed on the side surface of the shell in an array manner, and each working surface of the chuck can work independently or simultaneously;
the right-angle magnetic pole unit group comprises a first magnetic pole block, a first permanent magnet, a second magnetic pole block, a second permanent magnet and a first reversible magnet, wherein a coil is wound outside the first reversible magnet, the first reversible magnet is in a right-angle trapezoid shape, the first magnetic pole block and the second magnetic pole block are respectively connected with a right-angle side of the first reversible magnet, the inclined sides of the two first reversible magnets are mutually contacted, so that the first magnetic pole block and the second magnetic pole block are mutually and vertically installed, the first magnetic pole block and the second magnetic pole block are respectively installed in cavities on two adjacent side surfaces of the shell, four side surfaces of the first magnetic pole block are respectively connected with the first permanent magnet, and four side surfaces of the second magnetic pole block are respectively connected with the second permanent magnet;
the single magnetic pole unit comprises a third magnetic pole block, a third permanent magnet and a second reversible magnet, the periphery of the third magnetic pole block is connected with the third permanent magnet, the third magnetic pole block is connected with the second reversible magnet, and a coil is wound outside the second reversible magnet;
the shapes of the first magnetic pole block, the second magnetic pole block, the third magnetic pole block and the second reversible magnet are respectively matched with the shapes of the corresponding cavities.
Preferably, the housing is formed with a cavity on six sides.
Preferably, the cross-sectional shape of the magnetic pole block is square, regular hexagon, round or other shapes, and the structure of the cavity corresponds to the shape of the magnetic pole block.
Preferably, the void region of the cavity is filled with a material for fixing the exciting coil, the reversible magnet, and the permanent magnet, the material being an epoxy resin.
Preferably, four cavities are machined in four side faces of the shell, and eight right-angle magnetic pole unit groups are mounted on the shell.
Preferably, a single magnetic pole unit is mounted in each of the cavities of the sides of the housing.
Preferably, the side surface of the shell is provided with the right-angle type magnetic pole unit group and the single magnetic pole unit.
Preferably, when the coil is electrified with a forward pulse current for a short time, the surfaces around the electric control permanent magnetic chuck are in a magnetizing state, and the working surfaces of the chuck generate magnetic attraction;
when a workpiece needs to be loosened, a reverse pulse current is supplied to the coil for a short time, at the moment, the working surfaces around the electric control permanent magnetic chuck are in a demagnetizing state, and no magnetic field exists on the four working surfaces of the chuck;
when a part of coils are electrified with reverse pulse current in a short time, the surfaces on the periphery of the electric control permanent magnetic chuck are in a partial demagnetization state.
Compared with the prior art, the invention has the following beneficial effects:
(1) Each side surface of the sucker can be provided with a right-angle magnetic pole unit group or a single magnetic pole unit, and each working surface of the sucker can work independently or simultaneously, so that the requirements of different application scenes on the sucker are met. And demagnetization or semi-demagnetization can be controlled according to needs, so that different adsorption requirements are met.
(2) The right-angle magnetic pole unit group is provided with two mutually vertical working surfaces, so that when the sucker is used as a clamp to adsorb a workpiece with a vertical surface, loads can be applied to the clamped workpiece in different directions, the double-surface adsorption is more stable and reliable, the workpiece can be stressed more uniformly, the processing precision is improved, the disassembly is convenient, the structure is simple, the processing and the manufacturing are convenient, and the application occasions are expanded.
(3) When the working surface of the sucker is used, the sucker can be fully magnetized or demagnetized, and part of coils can be selectively electrified with reverse pulse current, so that part of the working surface of the sucker is demagnetized, the sucker can be ensured to be adsorbed on a workbench, but does not need to adsorb a workpiece, and the application under special scenes can be met.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a housing according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a right-angle magnetic pole unit group according to the present invention;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic structural view of a single pole unit of the present invention;
FIG. 6 is a side view of FIG. 5;
FIG. 7 is a top view of an embodiment of the present invention;
FIG. 8 isbase:Sub>A sectional view taken along line A-A of FIG. 7;
FIG. 9 is a schematic magnetic circuit diagram of the coil of FIG. 8 in a state of short-time forward magnetizing current;
fig. 10 is a schematic diagram of a magnetic circuit in a state where the coil is energized with a short-time reverse demagnetization current in fig. 8;
FIG. 11 is a schematic diagram of a magnetic circuit of FIG. 8 in a state where a portion of the coil is energized with a short-time reverse demagnetization current;
FIG. 12 is a sectional view taken along line B-B of FIG. 7;
FIG. 13 is a schematic magnetic circuit diagram of the portion of the coil of FIG. 12 in the state of short-time forward magnetizing current;
fig. 14 is a schematic diagram of a magnetic circuit in a state where a portion of the coil is energized with a short-time reverse demagnetization current in fig. 12.
Some of the reference numbers in the figures are as follows:
1-a shell, 2-a first magnetic pole block, 3-a first permanent magnet, 4-a second permanent magnet, 5-a second magnetic pole block, 6-a first reversible magnet, 7-a coil, 8-epoxy resin, 9-a second reversible magnet, 10-a right-angle magnetic pole unit group, 11-a single magnetic pole unit, 12-a third magnetic pole block, 13-a third permanent magnet and 14-a cavity.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Fig. 1 shows a multi-working-surface electrically-controlled permanent magnetic chuck, wherein a plurality of cavities 14 are formed in a housing 1, a right-angle magnetic pole unit group 10 or a single magnetic pole unit 11 is installed in each cavity 14, and for the same multi-working-surface electrically-controlled permanent magnetic chuck, the shapes of the cavities 14 may be the same or different, and a cavity may be formed in each working surface or only a selected working surface.
In this embodiment, as shown in fig. 2, the cavity 14 is composed of a square cavity, and accordingly, the magnetic pole blocks of the right-angle magnetic pole unit group 10 and the single magnetic pole unit 11 are also arranged in a square shape corresponding to the shape of the cavity 14. In other embodiments, the cavity 14 may be configured in other shapes, and the shape of the magnetic pole piece may be matched to the shape of the cavity 14.
When the installation magnetic pole piece, when a plurality of magnetic pole pieces were installed, the sign magnetism of adjacent magnetic pole unit is different, and two liang of pairwise and array installation are on the side of casing 1 between the different magnetic pole unit of sign magnetism, and each working face of sucking disc can work alone or simultaneous working. When needs work alone, lead to pulse current for certain face or some face to can make this certain face or some face have magnetism, thereby can work alone, or also can make up a plurality of working faces as required, make several working faces of combination have magnetic attraction simultaneously, thereby can satisfy the needs of a plurality of working faces simultaneous workings, thereby can satisfy the work needs of many scenes.
As shown in fig. 3 and 4, in the rectangular magnetic pole unit group 10, it includes a first magnetic pole block 2, a first permanent magnet 3, a second magnetic pole block 5, and a first reversible magnet 6, wherein a coil 7 is wound outside the first reversible magnet 6. First magnetic pole piece 2 and second magnetic pole piece 5 are connected with the right-angle side of a first reversible magnet 6 respectively, thereby the hypotenuse of two first reversible magnets 6 contacts each other makes first magnetic pole piece 2 and the installation of second magnetic pole piece 5 mutually perpendicular, and four sides of first magnetic pole piece 2 and second magnetic pole piece 5 are connected with first permanent magnet 3 respectively. In this embodiment, corresponding to the square cavity 14, the first magnetic pole block 2 is configured to be square, four side surfaces of the first magnetic pole block 2 of the right-angle magnetic pole unit group 10 are respectively in contact with the first permanent magnets 3, and when the magnetic pole is energized, contact ends of the first permanent magnets 3 and the first magnetic pole block 2 have the same polarity. The second magnetic pole block 5 is vertically installed with the first magnetic pole block 2, the second magnetic pole block 5 is installed on the side surface of the first reversible magnet 6 wound with the coil 7, and the second magnetic pole block 5 is also set to be square corresponding to the square cavity 14. Four side surfaces of the second magnetic pole block 5 are respectively contacted with the second permanent magnets 4, and similarly, the contact ends of the second permanent magnets 4 and the second magnetic pole block 5 have the same polarity when the magnetic flux is applied.
As shown in fig. 5-6, the single magnetic pole unit 11 includes a third magnetic pole block 12, a third permanent magnet 13, and a second reversible magnet 9, the third permanent magnet 13 is connected to the periphery of the third magnetic pole block 12, in this embodiment, corresponding to the square cavity 14, the first magnetic pole block 2 is also designed to be square, four side surfaces of the third magnetic pole block 12 are respectively in contact with the third permanent magnet 13, and when magnetic flux is applied, the contact ends of the third permanent magnet 13 and the third magnetic pole block 12 have the same polarity, and the square second reversible magnet 9 wound with the coil 7 is located below the third magnetic pole block 12.
The void area of the mould cavity is filled with a material for fixing the excitation coil, the reversible magnet and the permanent magnet, which in this embodiment is epoxy resin 8. In other embodiments, mechanical structures may be added to secure adjacent structures as desired.
Example one
As shown in fig. 7 to 11, in the present embodiment, a right-angled magnetic pole unit group 10 is installed in a cavity 14 of a housing 1. Four side surfaces of the shell 1 are working surfaces, each working surface is provided with four cavities, and 8 groups of right-angle magnetic pole unit groups 10 are arranged on the four side surfaces of the shell 1. The magnetic pole blocks of the right-angle magnetic pole unit group 10 are flush with the surface of the housing 1 to form a working surface. Also, the cavity 14, the first pole piece 2, and the second pole piece 5 are all provided in a square shape.
The working principle is as follows:
during the use, when the forward pulse current who leads to for coil 7 with the short time, automatically controlled permanent magnetism sucking disc surface all around is in the state of magnetizing, and the distribution of magnetic line of force is shown as figure 9 this moment, and the direction of the magnetic line of force of adjacent magnetic pole unit is opposite to, each magnetic pole unit all shows magnetic force outwards, and at this moment, four working faces of sucking disc all can produce magnetic attraction, and the work piece can be adsorbed firmly on the sucking disc, and the sucking disc can be adsorbed tightly on the lathe simultaneously. In other embodiments, according to needs, the coil 7 of the magnetic pole unit of one or several surfaces of the electric control permanent magnetic chuck can be only energized with a short-time positive pulse current, so that the magnetic attraction force is only shown on one or several surfaces of the electric control permanent magnetic chuck, and various adsorption requirements are met.
When the workpiece needs to be loosened, the coil 7 is electrified with reverse pulse current for a short time, at this time, the working surfaces around the electric control permanent magnetic chuck are in a demagnetizing state, magnetic lines of force are distributed as shown in figure 10, at this time, the four working surfaces of the chuck do not have magnetic fields and do not show magnetism to the outside, at this time, the workpiece can be taken down from the chuck, and the chuck can also be taken down from a machine tool. In addition, when a part of coils are electrified with reverse pulse current for a short time, the peripheral surface of the electric control permanent magnetic chuck is in a partial demagnetization state, magnetic lines of force are distributed as shown in figure 11, at the moment, the bottom surface of the chuck still has a magnetic field, and the remaining three surfaces around the chuck do not have the magnetic field, so that the magnetic force is not exerted to the outside, at the moment, a workpiece can be taken down from the chuck, but the chuck can still be firmly adsorbed on a machine tool.
In this embodiment, the right-angle magnetic pole unit group 10 is provided with two mutually perpendicular working faces, so when the suction cup adsorbs a workpiece with a perpendicular face as a clamp, the suction cup can apply load to the clamped workpiece in different directions, so that the double-face adsorption is more stable and reliable, and the workpiece is stressed more uniformly.
Example two
As shown in fig. 12 to 14, in the present embodiment, a single magnetic pole unit 11 is mounted in each of the cavities 14 in the side surface of the housing 1. In this embodiment, the third pole piece 12 and the cavity 14 of the single pole unit 11 are also provided in a square shape. When mounted, the pole piece of the single pole unit 11 is flush with the surface of the housing 1 and becomes the working surface. The working principle of the single magnetic pole unit 11 mounted in the cavity 14 in the front of the housing 1 will be described as an example.
The working principle is as follows:
when the electrically controlled permanent magnetic chuck is used, when the coil 7 is electrified with forward pulse current for a short time, the front surface of the electrically controlled permanent magnetic chuck is in a magnetizing state, the distribution of magnetic lines of force is shown in fig. 13, the directions of the magnetic lines of force of adjacent magnetic pole units are opposite, each magnetic pole unit displays magnetic force outwards, at the moment, the front surface of the chuck generates magnetic attraction force, and a workpiece can be firmly adsorbed on the chuck. In other embodiments, according to needs, the coil 7 of the magnetic pole unit of one or several surfaces of the electric control permanent magnetic chuck can be only energized with a short-time positive pulse current, so that the magnetic attraction force is only shown on one or several surfaces of the electric control permanent magnetic chuck, and various adsorption requirements are met.
When the workpiece needs to be loosened, the coil 7 is electrified with reverse pulse current for a short time, at this time, the front surface of the electric control permanent magnetic chuck is in a demagnetizing state, magnetic lines of force are distributed as shown in fig. 14, at this time, no magnetic field exists on the front surface of the chuck, magnetism is not shown to the outside, and at this time, the workpiece can be taken down from the chuck.
In summary, the multi-working-surface electric control permanent magnetic chuck can be used independently for each working surface, and can also be combined to work cooperatively, so that the chuck can be used as a clamp and applied to occasions where a plurality of surfaces have clamping requirements at the same time, and the like.
In other embodiments, different numbers of cavities 14 may be machined in the side surface of the housing 1 as needed, the right-angle magnetic pole unit group 10 and the single magnetic pole unit 11 may be assembled as needed, and the shape and size of the cavity may be set as needed, so as to meet different working requirements.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.
Claims (8)
1. A multi-working-surface electric control permanent magnetic chuck is characterized in that: the magnetic pole sucking disc comprises a shell, wherein at least one side surface of six surfaces of the shell is provided with a cavity, a right-angle magnetic pole unit group or a single magnetic pole unit is arranged in the cavities, when the magnetic pole units are arranged, the represented magnetism of the adjacent magnetic pole units is different, every two magnetic pole units with different represented magnetism are paired and arranged on the side surface of the shell in an array manner, and each working surface of the sucking disc can work independently or simultaneously;
the right-angle magnetic pole unit group comprises a first magnetic pole block, a first permanent magnet, a second magnetic pole block, a second permanent magnet and a first reversible magnet, wherein a coil is wound outside the first reversible magnet, the first reversible magnet is in a right-angle trapezoid shape, the first magnetic pole block and the second magnetic pole block are respectively connected with a right-angle side of the first reversible magnet, the bevel sides of the two first reversible magnets are in mutual contact, so that the first magnetic pole block and the second magnetic pole block are vertically arranged, the first magnetic pole block and the second magnetic pole block are respectively arranged in cavities of two adjacent side surfaces of the shell, the four side surfaces of the first magnetic pole block are respectively connected with the first permanent magnet, and the four side surfaces of the second magnetic pole block are respectively connected with the second permanent magnet;
the single magnetic pole unit comprises a third magnetic pole block, a third permanent magnet and a second reversible magnet, the periphery of the third magnetic pole block is connected with the third permanent magnet, the third magnetic pole block is connected with the second reversible magnet, and a coil is wound outside the second reversible magnet;
the shapes of the first magnetic pole block, the second magnetic pole block, the third magnetic pole block and the second reversible magnet are respectively matched with the shapes of the corresponding cavities.
2. A multi-working surface electrically controlled permanent magnetic chuck according to claim 1, wherein: and cavities are processed on six side surfaces of the shell.
3. A multi-working surface electrically controlled permanent magnetic chuck according to claim 1, wherein: the cross section of the magnetic pole block is square, regular hexagon, round or other shapes, and the structure of the cavity corresponds to the shape of the magnetic pole block.
4. A multi-working surface electrically controlled permanent magnetic chuck according to claim 1, wherein: and the gap area of the cavity is filled with materials for fixing the coil, the reversible magnet and the permanent magnet, wherein the materials are epoxy resin.
5. A multi-working surface electrically controlled permanent magnetic chuck according to claim 1, wherein: and each side surface of the shell is provided with a right-angle magnetic pole unit group.
6. A multi-working surface electrically controlled permanent magnetic chuck according to claim 1, wherein: and single magnetic pole units are arranged in the cavities on the side surfaces of the shell.
7. A multi-working surface electrically controlled permanent magnetic chuck according to claim 1, wherein: and a right-angle magnetic pole unit group and a single magnetic pole unit are arranged on the side surface of the shell.
8. A multi-working surface electrically controlled permanent magnetic chuck according to claim 1, wherein: when the coil is electrified with a short-time positive pulse current, the surfaces around the electric control permanent magnetic chuck are in a magnetizing state, and the working surface of the chuck generates magnetic attraction force;
when the workpiece needs to be loosened, a reverse pulse current in a short time is supplied to the coil, at the moment, the working surfaces around the electric control permanent magnetic chuck are in a demagnetizing state, and no magnetic field exists on the four working surfaces of the chuck;
when a part of coils are electrified with reverse pulse current in a short time, the surfaces on the periphery of the electric control permanent magnetic chuck are in a partial demagnetization state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211047359.5A CN115401494B (en) | 2022-08-29 | 2022-08-29 | Multi-working-surface electric control permanent magnet sucker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211047359.5A CN115401494B (en) | 2022-08-29 | 2022-08-29 | Multi-working-surface electric control permanent magnet sucker |
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| Publication Number | Publication Date |
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| CN115401494A true CN115401494A (en) | 2022-11-29 |
| CN115401494B CN115401494B (en) | 2024-04-05 |
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| CN202211047359.5A Active CN115401494B (en) | 2022-08-29 | 2022-08-29 | Multi-working-surface electric control permanent magnet sucker |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63251139A (en) * | 1987-04-02 | 1988-10-18 | Kanetsuu Kogyo Kk | Electromagnetic chuck of permanent magnet type |
| CN201609949U (en) * | 2010-01-21 | 2010-10-20 | 徐明达 | Special electro-permanent magnet quick mold change system for injection molding machine |
| US20100308519A1 (en) * | 2007-11-30 | 2010-12-09 | Uttam Sarda | Electro permanent magnetic apparatus with dual working face |
| CN201677200U (en) * | 2010-02-11 | 2010-12-22 | 徐明达 | Permanent magnet sucker |
| CN204936041U (en) * | 2015-07-28 | 2016-01-06 | 徐明达 | Two-sided electric permanent-magnet suction disc |
| CN108544712A (en) * | 2018-04-19 | 2018-09-18 | 湖南千豪机电技术开发有限公司 | A kind of two-sided magnetic electricity permanent magnetism template |
| CN108724057A (en) * | 2018-08-17 | 2018-11-02 | 燕山大学 | A kind of assembled electric permanent-magnet suction disc |
| CN209774672U (en) * | 2019-04-10 | 2019-12-13 | 深圳市优界科技有限公司 | Bipolar electrostatic chuck |
| CN113443542A (en) * | 2021-07-27 | 2021-09-28 | 青岛领势机械科技有限公司 | Electric control permanent magnetic chuck and production process thereof |
-
2022
- 2022-08-29 CN CN202211047359.5A patent/CN115401494B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63251139A (en) * | 1987-04-02 | 1988-10-18 | Kanetsuu Kogyo Kk | Electromagnetic chuck of permanent magnet type |
| US20100308519A1 (en) * | 2007-11-30 | 2010-12-09 | Uttam Sarda | Electro permanent magnetic apparatus with dual working face |
| CN201609949U (en) * | 2010-01-21 | 2010-10-20 | 徐明达 | Special electro-permanent magnet quick mold change system for injection molding machine |
| CN201677200U (en) * | 2010-02-11 | 2010-12-22 | 徐明达 | Permanent magnet sucker |
| CN204936041U (en) * | 2015-07-28 | 2016-01-06 | 徐明达 | Two-sided electric permanent-magnet suction disc |
| CN108544712A (en) * | 2018-04-19 | 2018-09-18 | 湖南千豪机电技术开发有限公司 | A kind of two-sided magnetic electricity permanent magnetism template |
| CN108724057A (en) * | 2018-08-17 | 2018-11-02 | 燕山大学 | A kind of assembled electric permanent-magnet suction disc |
| CN209774672U (en) * | 2019-04-10 | 2019-12-13 | 深圳市优界科技有限公司 | Bipolar electrostatic chuck |
| CN113443542A (en) * | 2021-07-27 | 2021-09-28 | 青岛领势机械科技有限公司 | Electric control permanent magnetic chuck and production process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115401494B (en) | 2024-04-05 |
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