CN115401494B - Multi-working-surface electric control permanent magnet sucker - Google Patents
Multi-working-surface electric control permanent magnet sucker Download PDFInfo
- Publication number
- CN115401494B CN115401494B CN202211047359.5A CN202211047359A CN115401494B CN 115401494 B CN115401494 B CN 115401494B CN 202211047359 A CN202211047359 A CN 202211047359A CN 115401494 B CN115401494 B CN 115401494B
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- magnetic pole
- permanent magnet
- working
- sucker
- shell
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- 230000002441 reversible effect Effects 0.000 claims description 44
- 230000005389 magnetism Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract description 4
- 230000005347 demagnetization Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 5
- 241000252254 Catostomidae Species 0.000 description 2
- 238000012512 characterization method 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
- 238000012545 processing Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a multi-working-surface electric control permanent magnet sucker which comprises a shell, wherein at least one side surface of six surfaces of the shell is processed into a cavity, a right-angle magnetic pole unit group or a single magnetic pole unit is arranged in the cavities, the magnetic characteristics of adjacent magnetic pole units are different, every two magnetic pole units which are different in magnetic characteristics are pairwise arranged on the side surface of the shell in an array manner, and each working surface of the electric control permanent magnet sucker can work independently or simultaneously. The right-angle magnetic pole unit groups or single magnetic pole units can be arranged on each side face of the sucker, so that the requirements of different application scenes on the sucker are met, the demagnetization or semi-demagnetization of the sucker is controlled according to the requirements, and different adsorption requirements are met. When the sucker is used as a clamp to adsorb a workpiece with a vertical plane, the load can be applied to the clamped workpiece in different directions, so that the double-sided adsorption is more stable and reliable, the stress of the workpiece is more uniform, and the machining precision is improved.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to a multi-working-surface electric control permanent magnet sucker.
Background
The electric control permanent magnetic chuck is a novel clamp designed and developed by combining the electromagnetic and permanent magnetic characteristics. The novel magnetic chuck which adopts the electric pulse of on and off takes less than 1 second. The sucker is quite safe and reliable in the process of holding a workpiece for processing. After the workpiece is held by the magnetic force, 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 magnet sucker has wide application range, such as machine tool fixtures, hoisting machinery, quick die change and the like. The basic principle of the electric control permanent magnet sucker is that two permanent magnet materials with different coercive forces are used as a permanent magnet and a reversible magnet, a magnetic circuit is formed by virtue of a magnetic yoke and a magnetic pole block, and the polarity of the reversible magnet is changed by supplying short-time forward/reverse pulse current to a control coil, so that the sucker achieves two working states of external loading and unloading. The electric control permanent magnet sucker has the advantages of safe and convenient 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 finer and finer, and a plurality of suckers with multiple working surfaces are needed to meet the processing requirements of manufacturers. The multi-working-surface electric control permanent magnet sucker can be applied to occasions with magnetic attraction requirements on a plurality of surfaces. However, the suction cups in the prior art are generally single-sided suction cups, and suction cups capable of simultaneously operating multiple sides do not exist, so that research on suction cups capable of simultaneously operating multiple sides is urgently needed.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the multi-working-surface electric control permanent magnet sucker with more than two working surfaces capable of generating magnetic attraction force, and the magnetic attraction force of the working surfaces can be independently controlled so as to meet the application requirements of a plurality of special application scenes.
The invention provides a multi-working-surface electric control permanent magnet sucker which comprises a shell, wherein a plurality of cavities are formed in at least one side surface of six surfaces of the shell, right-angle magnetic pole unit groups or single magnetic pole units are arranged in the cavities, when a plurality of magnetic pole units are arranged, the magnetic pole units adjacent to each other are different in characteristic magnetism, the magnetic pole units different in characteristic magnetism are arranged in pairs and are arranged on the side surface of the shell in an array manner, and each working surface of the sucker can work independently or simultaneously;
the right-angle type 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 arranged in a right trapezoid shape, the first magnetic pole block and the second magnetic pole block are respectively connected with right-angle sides of the first reversible magnet, oblique 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 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, wherein the periphery of the third magnetic pole block is respectively 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 piece, the second magnetic pole piece, the third magnetic pole piece and the second reversible magnet are respectively matched with the shapes of the corresponding cavities.
Preferably, the six sides of the shell are all machined with cavities.
Preferably, the cross section of the magnetic pole piece is square, regular hexagon, round or other shapes, and the structure of the cavity corresponds to the shape of the magnetic pole piece.
Preferably, the void area of the cavity is filled with a material for fixing the exciting coil, the reversible magnet and the permanent magnet, and the material is epoxy resin.
Preferably, four cavities are machined on four sides of the shell, and eight right-angle magnetic pole unit groups are mounted on the shell.
Preferably, a single pole unit is mounted in each of the cavities of the side faces of the housing.
Preferably, the side of the housing is mounted with a right angle pole unit set and a single pole unit.
Preferably, when a short-time forward pulse current is supplied to the coil, the surfaces around the electric control permanent magnet sucker are in a magnetizing state, and the working surfaces of the sucker generate magnetic attraction;
when the workpiece needs to be loosened, a short-time reverse pulse current is supplied to the coil, and at the moment, the working surfaces around the electric control permanent magnet sucker are in a demagnetized state, and no magnetic field exists on the four working surfaces of the sucker;
when a short-time reverse pulse current is supplied to part of the coils, the surfaces around the electric control permanent magnet sucker are in a partial demagnetizing state.
Compared with the prior art, the invention has the following beneficial effects:
(1) The right-angle magnetic pole unit groups or single magnetic pole units can be arranged on each side face of the sucker, and each working face of the sucker can work independently or simultaneously, so that the requirements of different application scenes on the sucker are met. And the demagnetization or semi-demagnetization can be controlled according to the needs, so that different adsorption requirements can be met.
(2) The right-angle magnetic pole unit group is provided with the two mutually perpendicular 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-sided adsorption is more stable and reliable, the workpiece is stressed more uniformly, the machining precision is improved, the disassembly is convenient, the structure is simple, the machining and the manufacturing are convenient, and the application occasion is expanded.
(3) When the working face of the sucker is used, not only the whole sucker can be magnetized or demagnetized, but also part of coils can be selectively electrified with reverse pulse current, so that part of the working face of the sucker is demagnetized, the sucker can be ensured to be adsorbed on a workbench, but work pieces are not required to be adsorbed, and the sucker can meet the application in special scenes.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a housing according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a right angle pole unit set according to the present invention;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic view of the structure 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 is a cross-sectional view taken along A-A of FIG. 7;
FIG. 9 is a schematic diagram of the magnetic circuit of FIG. 8 in a state where the coil is energized with a short-time forward magnetizing current;
FIG. 10 is a schematic diagram of the magnetic circuit of FIG. 8 in a state where the coil is supplied with a short-time reverse demagnetizing current;
FIG. 11 is a schematic diagram of the magnetic circuit of FIG. 8 in a state in which a short-time reverse demagnetizing current is applied to a part of the coils;
FIG. 12 is a B-B cross-sectional view of FIG. 7;
FIG. 13 is a schematic diagram of the magnetic circuit of FIG. 12 in a state in which a portion of the coils are energized with a short-time forward magnetizing current;
fig. 14 is a schematic diagram of the magnetic circuit in fig. 12 in a state where a short-time reverse demagnetizing current is applied to a part of the coils.
The partial reference numerals in the figures are as follows:
1-shell, 2-first magnetic pole piece, 3-first permanent magnet, 4-second permanent magnet, 5-second magnetic pole piece, 6-first reversible magnet, 7-coil, 8-epoxy, 9-second reversible magnet, 10-right angle magnetic pole unit group, 11-single magnetic pole unit, 12-third magnetic pole piece, 13-third permanent magnet, 14-die cavity.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Fig. 1 shows a multi-working-surface electric control permanent magnet chuck, in which a plurality of cavities 14 are machined 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 electric control permanent magnet chuck, the shapes of the cavities 14 can be the same or different, the cavities can be machined on each working surface, or the cavities can be machined only on the selected working surface.
In this embodiment, as shown in fig. 2, the cavity 14 is formed by a square cavity, and the corresponding right-angle pole unit group 10 and the pole pieces of the individual pole units 11 are also arranged in a square shape conforming to the shape of the cavity 14. In other embodiments, the cavity 14 may be configured in other shapes, and the pole pieces may be matched to the shape of the cavity 14.
When the magnetic pole blocks are installed, when a plurality of magnetic pole blocks are installed, the magnetic characterization of the adjacent magnetic pole units is different, the magnetic pole units with different magnetic characterization are arranged in pairs and are arranged on the side face of the shell 1 in an array mode, and each working face of the sucker can work independently or simultaneously. When the working surface is required to work independently, pulse current is supplied to one surface or a plurality of surfaces, so that the one surface or the plurality of surfaces can be magnetic, and can work independently, or a plurality of working surfaces can be combined according to the requirement, so that the combined working surfaces can have magnetic attraction at the same time, thereby meeting the requirement of simultaneous working of the plurality of working surfaces, and meeting the working requirement of multiple scenes.
As shown in fig. 3 and 4, in the right angle pole unit group 10, it includes the first pole piece 2, the first permanent magnet 3, the second pole piece 5, and the first reversible magnet 6, wherein the coil 7 is wound outside the first reversible magnet 6. The first magnetic pole piece 2 and the second magnetic pole piece 5 are respectively connected with right-angle sides of a first reversible magnet 6, the oblique sides of the two first reversible magnets 6 are contacted with each other so that the first magnetic pole piece 2 and the second magnetic pole piece 5 are mutually perpendicular to each other, and the four sides of the first magnetic pole piece 2 and the second magnetic pole piece 5 are respectively connected with a first permanent magnet 3. In this embodiment, corresponding to the square cavity 14, the first magnetic pole piece 2 is set to be square, four sides of the first magnetic pole piece 2 of the right angle magnetic pole unit group 10 are respectively contacted with the first permanent magnets 3, and when the magnets are electrified, the contact ends of each first permanent magnet 3 and the first magnetic pole piece 2 have the same polarity. The second pole piece 5 is mounted perpendicular to the first pole piece 2, the second pole piece 5 is mounted on the side of the first reversible magnet 6 around which the coil 7 is wound, corresponding to the square cavity 14, the second pole piece 5 is also arranged square. The four sides of the second magnetic pole piece 5 are respectively contacted with the second permanent magnets 4, and when the magnetic flux is conducted, the contact ends of the second permanent magnets 4 and the second magnetic pole piece 5 have the same polarity.
As shown in fig. 5 to 6, the single magnetic pole unit 11 includes a third magnetic pole piece 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 piece 12, in this embodiment, the first magnetic pole piece 2 is also designed to be square corresponding to the square cavity 14, four sides of the third magnetic pole piece 12 are respectively contacted with the third permanent magnet 13, when the magnetic flux is applied, the contact ends of each third permanent magnet 13 and the third magnetic pole piece 12 have the same polarity, and the square second reversible magnet 9 wound with the coil 7 is arranged below the third magnetic pole piece 12.
The void area of the mould cavity is filled with a material for fixing the field coil, the reversible magnet and the permanent magnet, which in this embodiment is an epoxy resin 8. In other embodiments, mechanical structures may be added to secure adjacent structures as desired.
Example 1
As shown in fig. 7 to 11, in the present embodiment, the rectangular magnetic pole unit group 10 is mounted in the cavity 14 of the housing 1. Four sides of the shell 1 are working surfaces, each working surface is processed into four cavities, and 8 right-angle magnetic pole unit groups 10 are mounted on the four sides of the shell 1. The pole pieces of the right angle pole unit group 10 are flush with the surface of the housing 1 to become a working surface. And, the cavity 14, the first pole piece 2 and the second pole piece 5 are all arranged in a square shape.
The working principle is as follows:
when the electric control permanent magnet chuck is used, when the coil 7 is electrified with forward pulse current for a short time, the surfaces around the electric control permanent magnet chuck are in a magnetizing state, the distribution of magnetic lines of force is shown in fig. 9, 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 four working surfaces of the chuck generate magnetic attraction force, a workpiece can be firmly adsorbed on the chuck, and the chuck can be simultaneously and tightly adsorbed on a machine tool. In other embodiments, the coils 7 of the magnetic pole units on one or more surfaces of the electric control permanent magnet sucker can be only electrified with forward pulse current for a short time according to the requirements, so that the magnetic attraction force is only displayed on one or more surfaces of the electric control permanent magnet sucker, and various adsorption requirements are met.
When the workpiece is required to be loosened, a short-time reverse pulse current is supplied to the coil 7, at this time, the working surfaces around the electric control permanent magnet sucker are in a demagnetizing state, the distribution of magnetic lines of force is shown in fig. 10, at this time, all four working surfaces of the sucker have no magnetic field and are not magnetic externally, at this time, the workpiece can be taken off from the sucker, and the sucker can also be taken off from the machine tool. In addition, when a short-time reverse pulse current is supplied to a part of coils, the surfaces around the electric control permanent magnet sucker are in a partial demagnetizing state, the distribution of magnetic lines is shown in fig. 11, at the moment, the bottom surface of the sucker still has a magnetic field, the three surfaces left around the sucker do not have a magnetic field, no magnetism is displayed, at the moment, a workpiece can be taken off from the sucker, and the sucker can be firmly adsorbed on a machine tool.
In this embodiment, the right-angle magnetic pole unit group 10 is provided with two working surfaces perpendicular to each other, so when the chuck is used as a clamp to adsorb a workpiece with a vertical surface, the load can be applied to the clamped workpiece in different directions, so that the double-sided adsorption is more stable and reliable, and the stress of the workpiece is more uniform.
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 of the side surfaces of the housing 1. In this embodiment, the third pole piece 12 and the cavity 14 of the single pole unit 11 are also each provided with a square shape. When installed, the pole pieces of the single pole unit 11 are flush with the surface of the housing 1 to become a working surface. The working principle of the single pole unit 11 mounted in the cavity 14 in the front face of the housing 1 will be described below.
The working principle is as follows:
when the electric control permanent magnet chuck is used, when the coil 7 is electrified with a short-time forward pulse current, the front face of the electric control permanent magnet chuck is in a magnetizing state, the distribution of magnetic force lines is shown in fig. 13, the directions of the magnetic force lines of adjacent magnetic pole units are opposite, each magnetic pole unit displays magnetic force outwards, at the moment, the front face of the chuck generates magnetic attraction, and a workpiece can be firmly adsorbed on the chuck. In other embodiments, the coils 7 of the magnetic pole units on one or more surfaces of the electric control permanent magnet sucker can be only electrified with forward pulse current for a short time according to the requirements, so that the magnetic attraction force is only displayed on one or more surfaces of the electric control permanent magnet sucker, and various adsorption requirements are met.
When the workpiece is required to be loosened, a short-time reverse pulse current is supplied to the coil 7, at this time, the front surface of the electric control permanent magnet sucker is in a demagnetizing state, the distribution of magnetic lines of force is shown in fig. 14, at this time, no magnetic field exists on the front surface of the sucker, no magnetism appears outside, and at this time, the workpiece can be taken off from the sucker.
In summary, the multi-working-surface electric control permanent magnet sucker can be used independently by each working surface or can be combined to work cooperatively, so that the sucker can be used as a clamp and applied to occasions with clamping requirements on a plurality of surfaces at the same time.
In other embodiments, different numbers of cavities 14 can be machined on the side surface of the shell 1 according to the needs, the right-angle magnetic pole unit group 10 and the single magnetic pole unit 11 can be assembled according to the needs, and the shapes and the sizes of the cavities can be set according to the needs, so that different working needs can be met.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides a automatically controlled permanent magnetism sucking disc of multi-working face which characterized in that: the magnetic pole unit comprises a shell, wherein a plurality of cavities are formed in six surfaces of the shell, right-angle magnetic pole unit groups or single magnetic pole units are arranged in the cavities, when a plurality of magnetic pole units are arranged, the magnetic pole units adjacent to each other are different in characteristic magnetism, the magnetic pole units different in characteristic magnetism are arranged in pairs and are arranged on the side surface of the shell in an array manner, and all working surfaces of the sucker can work independently or simultaneously;
the right-angle type 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 arranged in a right trapezoid shape, the first magnetic pole block and the second magnetic pole block are respectively connected with right-angle sides of the first reversible magnet, oblique 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 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, wherein the periphery of the third magnetic pole block is respectively 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 piece, the second magnetic pole piece, the third magnetic pole piece and the second reversible magnet are respectively matched with the corresponding shapes of the die cavities.
2. The multi-working-surface electronically controlled permanent magnet chuck of claim 1, wherein: and the six sides of the shell are respectively provided with a cavity.
3. The multi-working-surface electronically controlled permanent magnet chuck of 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. The multi-working-surface electronically controlled permanent magnet chuck of claim 1, wherein: the gap area of the cavity is filled with a material for fixing the coil, the reversible magnet and the permanent magnet, and the material is epoxy resin.
5. The multi-working-surface electronically controlled permanent magnet chuck of claim 1, wherein: and each side surface of the shell is provided with a right-angle magnetic pole unit group.
6. The multi-working-surface electronically controlled permanent magnet chuck of claim 1, wherein: and the cavities on the side surfaces of the shell are respectively provided with a single magnetic pole unit.
7. The multi-working-surface electronically controlled permanent magnet chuck of claim 1, wherein: the side face of the shell is provided with a right-angle magnetic pole unit group and a single magnetic pole unit.
8. The multi-working-surface electronically controlled permanent magnet chuck of claim 1, wherein: when a short-time forward pulse current is applied to the coil, the surfaces around the electric control permanent magnet sucker are in a magnetizing state, and the working surfaces of the sucker generate magnetic attraction;
when the workpiece needs to be loosened, a short-time reverse pulse current is supplied to the coil, and at the moment, the working surfaces around the electric control permanent magnet sucker are in a demagnetized state, and no magnetic field exists on the four working surfaces of the sucker;
when a short-time reverse pulse current is supplied to part of the coils, the surfaces around the electric control permanent magnet sucker are in a partial demagnetizing state.
Priority Applications (1)
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CN202211047359.5A CN115401494B (en) | 2022-08-29 | 2022-08-29 | Multi-working-surface electric control permanent magnet sucker |
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CN202211047359.5A CN115401494B (en) | 2022-08-29 | 2022-08-29 | Multi-working-surface electric control permanent magnet sucker |
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CN115401494B true CN115401494B (en) | 2024-04-05 |
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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 |
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 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2231362A4 (en) * | 2007-11-30 | 2011-11-23 | Uttam Sarda | An electro permanent magnetic apparatus with dual working face |
-
2022
- 2022-08-29 CN CN202211047359.5A patent/CN115401494B/en active Active
Patent Citations (8)
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 |
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 |
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