[go: up one dir, main page]

WO2024025230A1 - Dispositif de serrage - Google Patents

Dispositif de serrage Download PDF

Info

Publication number
WO2024025230A1
WO2024025230A1 PCT/KR2023/010273 KR2023010273W WO2024025230A1 WO 2024025230 A1 WO2024025230 A1 WO 2024025230A1 KR 2023010273 W KR2023010273 W KR 2023010273W WO 2024025230 A1 WO2024025230 A1 WO 2024025230A1
Authority
WO
WIPO (PCT)
Prior art keywords
pole piece
fixed pole
fixed
magnetic force
clamping device
Prior art date
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.)
Ceased
Application number
PCT/KR2023/010273
Other languages
English (en)
Korean (ko)
Inventor
최태광
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2024025230A1 publication Critical patent/WO2024025230A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/18—Advancing work in relation to the stroke of the die or tool by means in pneumatic or magnetic engagement with the work
    • 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
    • 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
    • B23Q3/1546—Stationary devices using permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for

Definitions

  • the present invention relates to a clamping device that clamps a work using magnetic force.
  • a magnetic material holding device such as a permanent magnet workholding device, is a device used to attach an attachment object made of magnetic material such as iron using magnetic force. Today, it is used for clamping molds in injection molding machines and in press machines. It is widely used as an internal device attached to mold clamping and machine tool chucks.
  • This magnetic material holding device basically uses the strong magnetic force of a permanent magnet to attach a magnetic object to the working surface. When released, the magnetic flow from the permanent magnet is controlled to prevent magnetic flow from forming to the working surface. This moves the attachment object away from the operating surface.
  • Prior Document 1 Korean Patent No. 10-1131134 Permanent Magnet Workholding Device
  • a permanent magnet workholding device that performs holding and release by changing the magnetic circuit by rotating the permanent magnet.
  • the permanent magnet is rotated as a motor, but since a lot of force must be applied to the motor, usability is not good, and a lot of power is used in the motor, so it has not been put into practical use.
  • the present applicant controls the magnetic force on the operating surface by controlling the arrangement of freely rotating permanent magnets with a coil in prior document 2 (Korean Patent No. 10-2072122 magnetic force control device and magnetic material holding device using the same).
  • a magnetic force control device and a magnetic material holding device using the same have been disclosed.
  • Prior Document 2 was designed to allow flat contact when fixing a product, making it difficult to fix a product with a curved surface or a step shape.
  • the present invention was devised to solve the above-described problems, and its purpose is to provide a clamping device that can control the arrangement of permanent magnets with a coil and fix the object to be fixed using a plurality of movable poles.
  • the clamping device for solving the above problems is supported between a first fixed pole piece and a second fixed pole piece, and the first fixed pole piece and the second fixed pole piece.
  • the movable pole piece is characterized in that it is further provided with an elastic body that provides elasticity so that it is always in close contact with the fixed object.
  • It is characterized in that it includes a plurality of movable guides disposed on top of the first fixed pole piece and the second fixed pole piece to slideably support each of the plurality of movable pole pieces.
  • the coil is disposed between the fixed magnet and the rotating magnet, and controls the current applied to the coil to rotate the rotating magnet, so that the plurality of coils are disposed on the first fixed pole piece and the second fixed pole piece and above them. It is characterized in that the fixed object can be controlled to be attached or detached by controlling the path through which the magnetic force flows through the moving pole piece.
  • the fixed magnet has its N and S poles in contact with the first fixed pole piece and the second fixed pole piece, respectively, forming a path through which magnetic force flows, and the rotating magnet contacts the first fixed pole piece and the second fixed pole piece. It is rotated by the current applied to the coil, and the N and S poles are switched to change the path through which the magnetic force flows to the first fixed pole piece, the second fixed pole piece, and a plurality of moving pole pieces disposed on top of them. It is characterized by being able to
  • the coil rotates by applying power only when the rotating magnet rotates, and is characterized in that the path through which the magnetic force flows can be maintained even if the power is turned off after the rotating magnet is rotated.
  • the movable pole piece is characterized in that the end to which the fixture is fixed is made of a convex hemispherical shape, and an attachment surface that can be attached and fixed by contacting the fixture according to the shape of the fixture is formed.
  • a plurality of fixed pole pieces that are ferromagnetic, a fixed magnet fixedly disposed between the plurality of fixed pole pieces, a rotating magnet rotatably disposed between the plurality of fixed pole pieces, and the plurality of fixed pole pieces.
  • a magnetic force control module including a coil wound around at least one of the magnetic force control modules, a plurality of moving guides coupled to an upper side of the magnetic force control module, and a plurality of moving guides each movably disposed inside the plurality of moving guides and each having an action surface. It includes a holding module including movable pole pieces, and is capable of rotating the rotating magnet and controlling the magnetic force on the plurality of movable pole pieces by controlling the current applied to the coil.
  • the fixed pole pieces are provided in a pair of at least two, and are characterized in that the path through which magnetic force flows can be controlled according to the polarity of the fixed magnet and the rotating magnet.
  • the magnetic force control module and the holding module are characterized in that they are formed integrally.
  • the magnetic force control module and the holding module are provided individually, but are provided in contact with each other to form a path through which magnetic force flows.
  • the clamping device of the present invention uses a plurality of movable poles to respond to fixtures of various shapes, and magnetic force is selectively applied to each pole, making it easy to attach and detach the fixture.
  • FIG. 1 is a cross-sectional view of a clamping device according to an embodiment of the present invention.
  • Figure 2 is a plan view of a clamping device according to an embodiment of the present invention
  • 3A to 3D are diagrams showing the operating state of the clamping device according to an embodiment of the present invention.
  • FIGS. 4A and 4B are diagrams illustrating a clamping device according to another embodiment of the present invention in which movable pole pieces are provided in a plurality of rows.
  • Figures 5a and 5b are operating states showing a state in which magnetic force is controlled to connect in a clamping device according to another embodiment of the present invention in a state in which movable pole pieces are provided in a plurality of rows.
  • Figure 6 is an embodiment showing a structure in which a rotating magnet is rotated about a vertical direction in a clamping device according to another embodiment of the present invention.
  • Figure 7 is an operating state diagram showing a state in which a rotating magnet is rotated about a vertical direction and the path through which magnetic force flows is controlled in a clamping device according to another embodiment of the present invention.
  • FIGS. 8A to 8C are diagrams showing an example of a method of arranging movable pole pieces in a clamping device according to an embodiment of the present invention.
  • the clamping device of the present invention is controlled to generate or not generate a magnetic force on an external magnetic material by changing the magnetic characteristics of the operating surface. It moves back and forth in a straight direction and is fixed in response to the shape of the object to be fixed, but is not affected by magnetic force. It is a clamping device that can be attached and fixed.
  • FIG. 1 is a cross-sectional view of a clamping device according to an embodiment of the present invention.
  • the present invention largely includes a holding module 10 and a magnetic force control module 20 capable of fixing the fixture P in response to the shape of the fixture P.
  • the holding module 10 is made of a ferromagnetic material and includes a plurality of movable pole pieces 100 that are individually reciprocated by elasticity toward the fixture P and are movable.
  • the movable pole pieces 100 are provided to be spaced apart from each other so as to form a pair of at least two, and come into close contact with the fixture P according to the shape of the fixture P and fix the fixture P.
  • This movable pole piece 100 is provided with an elastic body 110 that movably supports the movable pole piece 100 by elasticity, and the elastic body 110 can be coupled to the inside of the movable pole piece 100.
  • the elastic body 110 is combined to form an elastic body coupling hole 120 that provides a space deformable by elasticity.
  • a space is formed in which the movable pole piece 100 is moved to a diameter corresponding to the outer diameter of the movable pole piece 100, and the movable pole piece 100 holds the fixture (P).
  • It is configured to include a movable pole piece guide 130 that guides it so that it can be moved only in the direction in which it is fixed.
  • the end portion of the movable pole piece 100 that fixes the fixture (P) is formed in a hemispherical shape convex toward the fixture (P) and has an attachment surface that corresponds to the shape of the fixture (P) and can be attached and fixed. (140) is formed.
  • the opposite side of the pair of movable pole pieces 100 to which the fixture P is fixed is a fixed pole made of a ferromagnetic material, individually contacting each movable pole piece 100, and transmitting magnetism to the movable pole piece 100.
  • a piece 200 is provided.
  • the fixed pole piece 200 is provided in a straight line with the movable pole piece 100 to form a path through which magnetic force flows toward the movable pole piece 100.
  • the fixed pole piece 200 includes a first fixed pole piece 210 provided in contact with one of the pair of movable pole pieces 100 and the pair of movable pole pieces 100. It is configured to include a second fixed pole piece 220 provided in contact with the other movable pole piece 100 provided in contact with the first fixed pole piece 210.
  • the surface where the first fixed pole piece 210 and the second fixed pole piece 220 are in contact with the moving pole piece 100 has a first effect that can control the magnetism flowing to the moving pole piece 100 by contact.
  • a surface 211 and a second operating surface 221 are formed.
  • first fixed pole piece 210 and the second fixed pole piece 220 may be integrated into a pair of movable pole pieces 100, respectively.
  • a fixed magnet 300 which is provided on the upper side between the fixed pole pieces 200 and whose N and S poles are individually in contact with the first fixed pole piece 210 and the second fixed pole piece 220. ) and consists of.
  • the N pole of the fixed magnet 300 is in contact with the first fixed pole piece 210, and the S pole is in contact with the second fixed pole piece 220.
  • the lower part where the fixed magnet 300 is provided is installed to be spaced apart from the fixed magnet 300, and the fixed pole piece 200 It is configured to include a rotating magnet 400 rotatably provided therebetween.
  • the rotating magnet 400 can change the direction of magnetic force flowing toward the moving pole piece 100 and the fixed pole piece 200 by rotation.
  • the rotating magnet 400 is provided with a rotating shaft 410 in the horizontal direction at the center of the rotating magnet 400 in the drawing, and can be applied in a structure that rotates in the vertical direction around the rotating shaft 410. .
  • the N pole of the rotating magnet 400 is connected to the first fixed pole piece 210 by magnetic force, and the S pole is connected to the second fixed pole piece 220 by magnetic force.
  • the rotating magnet 400 is preferably installed to be rotatable by minimizing friction between the first fixed pole piece 210 and the second fixed pole piece 220.
  • the rotating magnet 400 must be placed at a certain distance from the first fixed pole piece 210 and the second fixed pole piece 220 to enable smooth rotation. The closer the distance, the fixed pole piece ( The magnetic force flowing through 200) increases.
  • Being magnetically connected includes being spaced apart enough that a magnetic flow can be formed in the fixed pole pieces 200 by the magnetic force of the rotating magnet 400, even if they are not in direct contact.
  • the rotating magnet 400 when the rotating magnet 400 is in contact with the fixed pole pieces 200 and a magnetic flow with an intensity of A% or more is formed in the fixed pole pieces 200 compared to the intensity of the magnetic flow generated, the rotating magnet ( 400) and the fixed pole pieces can be said to be magnetically connected.
  • A may be 80, 70, 60, 50, 40, 30, 20, etc. However, as previously mentioned, it is desirable to set the separation distance between the rotating magnet 400 and the pole pieces 210 and 220 to a minimum.
  • a coil 500 capable of rotating the rotating magnet 400 by electric current is wound around the first fixed pole piece 210 and the second fixed pole piece 220.
  • the coil 500 is wound around the fixed pole piece 200, becomes magnetic by electric current, and selectively forms the polarity of the N or S pole, forming the N or S pole that acts on the rotating magnet 400.
  • the rotating magnet 400 can be rotated, thereby changing the magnetic path flowing to the fixed pole piece 200.
  • this coil 500 is wound around only one of the fixed pole pieces 200, it forms a polarity that acts on the rotating magnet 400, allowing the rotating magnet 400 to rotate.
  • the coil 500 can be placed at an appropriate position to change the magnetic flow.
  • it is exemplified as being placed between the fixed magnet 300 and the rotating magnet 400, and this arrangement is necessary for efficient magnetic flow control. is desirable.
  • the present invention can rotate the rotating magnet 400 by controlling the current applied to the coil 500.
  • the present invention can fix a single fixture P, but can also fix objects that overlap each other using magnetism.
  • the fixture (P) must be made of a material through which magnetic force can flow, and when the magnetic force flows through the fixed pole piece (200) to the moving pole piece (100), the magnetic force also flows through the fixture (P) and other overlapping fixtures. (P) can also be attached and fixed.
  • Figure 2 is a plan view of a clamping device according to an embodiment of the present invention.
  • a plurality of movable pole pieces 100 are arranged side by side in one row at positions installed on the first fixed pole piece 210 and the second fixed pole piece 220.
  • the movable pole piece 100 has a circular pole shape, and a movable pole piece guide 130 is provided outside the movable pole piece 100 to surround the movable pole piece 100.
  • 3A to 3D are diagrams showing the operating state of the clamping device according to an embodiment of the present invention.
  • the N pole of the rotating magnet 400 is close to the first fixed pole piece 210 and is magnetically connected, and the S pole is close to the second fixed pole piece 220 and magnetically connected.
  • the S pole is close to the first fixed pole piece 210 and is magnetically connected, and the N pole is connected to the second fixed pole piece 220. It is rotatably disposed to be switched between a second arrangement state (the arrangement state in FIGS. 1C and 1D) in which the devices are magnetically connected in close proximity.
  • the rotating magnet 400 is disposed between the first fixed pole piece 210 and the second fixed pole piece 220, and forms a space between the first fixed pole piece 210 and the second fixed pole piece 220. It can be connected magnetically. However, when the rotating magnet 400 is in the first arrangement and the second arrangement, magnetic flows in opposite directions are formed.
  • the rotating magnet 400 is connected to the first fixed pole piece 210 and the second fixed pole piece 220 by the fixed magnet 300. It is automatically placed in the first configuration by magnetization.
  • the coil 500 wound around the first fixed pole piece 210 is controlled so that the S pole is formed in the direction of the first operating surface 211 of the first fixed pole piece 210, and the N pole is formed on the opposite side. And, control the coil 500 wound around the second fixed pole piece 220 so that the N pole is formed in the direction of the second operating surface 221 of the second fixed pole piece 220, and the S pole is formed on the opposite side. do.
  • the surface of the first fixed pole piece 210 facing the rotating magnet 400 has an N pole, and the second fixed pole facing the rotating magnet 400
  • the surface of the piece 220 has an S pole.
  • the rotating magnet 400 receives a repulsive force from each fixed pole piece, receives a rotational force, and rotates.
  • the rotating magnet 400 is switched to the second arrangement as shown in FIG. 3C, and accordingly, the moving pole pieces 100 in contact with the working surfaces 211 and 221 have S and N poles, respectively. This makes it possible to hold the fixture (P).
  • the magnetic flow is formed as shown by the dotted line in FIG. 3C so as to pass through the fixture P.
  • the magnetic flow as shown in FIG. 3C is formed, the magnetic flow is maintained even if the current applied to the coil 500 is removed, and thus the holding is maintained.
  • the surface of the first fixed pole piece 110 facing the rotating magnet 400 has an S pole
  • the surface of the first fixed pole piece 110 facing the rotating magnet 400 has an S pole
  • the surface of the second fixed pole piece 220 has an N pole.
  • the rotating magnet 400 receives a repulsive force from each pole, thereby receiving a rotational force, and the arrangement is switched to the first arrangement as shown in FIG. 3A.
  • the fixture P can be released from the movable pole pieces 100 in contact with the action surfaces 211 and 221.
  • the rotation direction of the rotating magnet 400 shown in FIGS. 3B and 3D is an example, so it may be rotated in any direction.
  • the rotation direction of the rotating magnet 400 is only an example.
  • the clamping device of this embodiment rotates the rotating magnet 400 by controlling the current applied to the coil 500 to generate a transition between the first arrangement state and the second arrangement state, and thus the first fixed pole
  • the magnetic force on the action surfaces 211 and 221 of the piece 210 and the second fixed pole piece 220 is controlled, and the fixed object ( P) can be attached, fixed or released.
  • Figures 4a and 4b are embodiment diagrams showing a state in which movable pole pieces are provided in a plurality of rows in a clamping device according to another embodiment of the present invention
  • Figures 5a and 5b are clamping devices according to another embodiment of the present invention.
  • This is an operation state diagram showing a state in which the device is controlled so that magnetic force is connected in a state in which a plurality of rows of movable pole pieces are provided.
  • the movable pole pieces 1100 may be provided in a plurality of rows depending on the size and type of the object to be fixed, as shown in FIG. 4A.
  • the movable pole pieces 1100 are provided in the same quantity in the first fixed pole piece 1210 and the second fixed pole piece 1220 to ensure a uniform flow of magnetism.
  • FIG. 4b eight movable pole pieces 1100 are arranged in two rows of four on the first fixed pole piece 1210, and eight movable pole pieces 1100 are placed on the second fixed pole piece 1220, as shown in FIG. 4b. (1100) is arranged in 2 rows of 4 each.
  • the plurality of movable pole pieces 1100 provided in a plurality of rows include the movable pole pieces 1100 disposed on the first fixed pole piece 1210 and the movable pole pieces 1100 disposed on the second fixed pole piece 1220. (1100) are controlled so that magnetism flows or does not flow in the first fixed pole piece 1210 and the second fixed pole piece 1220, respectively.
  • the movable pole pieces 1100 are provided in contact with the first fixed pole piece 1210 and the second fixed pole piece 1220, respectively. 1100) can be attached and fixed to correspond to the size and shape of the object to be fixed (P) while controlling its magnetism uniformly.
  • Figure 6 is an embodiment diagram showing a structure in which a rotating magnet is rotated about a vertical direction in a clamping device according to another embodiment of the present invention
  • Figure 7 is a clamping device according to another embodiment of the present invention.
  • This is an operation state diagram showing the state in which the rotating magnet rotates about the vertical axis and controls the path through which magnetic force flows.
  • the rotating magnet 2400 may be rotated around the vertical direction.
  • the rotation shaft 2410 is provided in a vertical direction along the longitudinal direction of the first fixed pole piece 2210 and the second fixed pole piece 2220, and the rotating magnet 2400 is provided in a vertical direction. It rotates around and can be controlled to change the path through which magnetic force flows.
  • FIGS. 8A to 8C are diagrams illustrating a method of arranging movable pole pieces in a clamping device according to an embodiment of the present invention.
  • the present invention can be installed in various arrangement structures depending on the shape or size of the object to be fixed.
  • the first fixed pole piece 210 and the second fixed pole piece 220 are attached as shown in Figure 8a. It can be used by applying two movable pole pieces 100 that are respectively connected.
  • the fixed surface of the fixture (P) has a concave shape corresponding to the attachment surface 140 of the movable pole piece 100.
  • a plurality of moving pole pieces 100 can be arranged at a short distance as shown in FIG. 8B.
  • the movable pole piece 100 is connected to the first fixed pole piece 210 and the second fixed pole piece 220, and that a plurality of pairs through which magnetism can pass are arranged in a short distance.
  • a pair that is connected to the first fixed pole piece 210 and the second fixed pole piece 220 and can conduct magnetism is used as shown in FIG. 8C. It can be used in multiple quantities and spaced apart from a distance.
  • the present invention made as described above can be fixed to correspond to the shape of the fixture by means of a movable pole piece that reciprocates toward the fixture when fixing the object.
  • the object to be fixed can be attached or released by magnetic force by a plurality of fixed pole pieces capable of applying magnetism to the movable pole piece, and a fixed magnet and a rotating magnet provided between the fixed pole pieces.
  • the rotating magnet can change the polarity of the coil and rotate as a current is applied, controlling the magnetic force to pass or not pass through to the moving pole piece, so that it can be easily controlled to attach or detach the fixture.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)

Abstract

La présente invention concerne un dispositif de serrage capable de fixer un objet à fixer à l'aide d'une pluralité de pôles mobiles tout en commandant un état d'agencement d'un aimant permanent par une bobine. Le dispositif de serrage selon un mode de réalisation de la présente invention comprend : une première pièce polaire fixe et une seconde pièce polaire fixe ; un aimant fixe supporté entre la première pièce polaire fixe et la seconde pièce polaire fixe ; un aimant rotatif disposé rotatif entre la première pièce polaire fixe et la seconde pièce polaire fixe ; une bobine enroulée autour de la première pièce polaire fixe et/ou de la seconde pièce polaire fixe ; et une pluralité de pièces polaires mobiles disposées de façon mobile au-dessus de la première pièce polaire fixe et de la seconde pièce polaire fixe.
PCT/KR2023/010273 2022-07-25 2023-07-18 Dispositif de serrage Ceased WO2024025230A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220091567A KR102713201B1 (ko) 2022-07-25 2022-07-25 클램핑 장치
KR10-2022-0091567 2022-07-25

Publications (1)

Publication Number Publication Date
WO2024025230A1 true WO2024025230A1 (fr) 2024-02-01

Family

ID=89706822

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2023/010273 Ceased WO2024025230A1 (fr) 2022-07-25 2023-07-18 Dispositif de serrage

Country Status (2)

Country Link
KR (1) KR102713201B1 (fr)
WO (1) WO2024025230A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140124739A (ko) * 2014-07-04 2014-10-27 최태광 자성체 홀딩 장치
KR20160056216A (ko) * 2014-11-11 2016-05-19 주식회사 이디리서치 자기력착탈장치
KR20160130699A (ko) * 2015-05-04 2016-11-14 최태광 자기흐름 제어장치
KR20170140750A (ko) * 2016-06-13 2017-12-21 최태광 얇은 판 형상의 자성체를 홀딩하기 위한 자성체 홀딩 장치 및 이를 포함하는 얇은 판 형상의 비자성체를 홀딩하여 이송하기 위한 이송 장치
KR20200010552A (ko) * 2017-09-15 2020-01-30 최태광 자기력 제어 장치 및 이를 이용한 자성체 홀딩 장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101131134B1 (ko) 2009-10-23 2012-04-03 최태광 영구자석 워크홀딩 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140124739A (ko) * 2014-07-04 2014-10-27 최태광 자성체 홀딩 장치
KR20160056216A (ko) * 2014-11-11 2016-05-19 주식회사 이디리서치 자기력착탈장치
KR20160130699A (ko) * 2015-05-04 2016-11-14 최태광 자기흐름 제어장치
KR20170140750A (ko) * 2016-06-13 2017-12-21 최태광 얇은 판 형상의 자성체를 홀딩하기 위한 자성체 홀딩 장치 및 이를 포함하는 얇은 판 형상의 비자성체를 홀딩하여 이송하기 위한 이송 장치
KR20200010552A (ko) * 2017-09-15 2020-01-30 최태광 자기력 제어 장치 및 이를 이용한 자성체 홀딩 장치

Also Published As

Publication number Publication date
KR20240014175A (ko) 2024-02-01
KR102713201B1 (ko) 2024-10-02

Similar Documents

Publication Publication Date Title
WO2012144769A1 (fr) Dispositif de support de pièce à travailler à aimants permanents
WO2016117751A1 (fr) Dispositif de maintien de corps magnétique
WO2011136498A2 (fr) Module de connexion à bornes et dispositif de connexion à bornes utilisant celui-ci
WO2014092271A1 (fr) Dispositif de réglage optique
WO2016003040A1 (fr) Dispositif de support de substance magnétique
WO2016178473A1 (fr) Dispositif de commande de flux magnétique
WO2022231186A1 (fr) Connecteur
WO2019235869A1 (fr) Dispositif de sortie d'informations
WO2022211194A1 (fr) Appareil de levage magnétique
WO2017018592A1 (fr) Alignement hybride
WO2017126925A1 (fr) Appareil à connexion magnétique
WO2019208983A1 (fr) Système de transmission de puissance sans fil pour connecteur rotatif
WO2024025230A1 (fr) Dispositif de serrage
WO2020184804A1 (fr) Appareil de maintien de dispositif électronique et appareil d'aspiration pour maintenir un dispositif électronique
WO2021187799A1 (fr) Ensemble joint transversal
WO2010082730A2 (fr) Module actionneur pour appareil photographique
WO2009096739A2 (fr) Générateur et système de génération d'énergie éolienne le comprenant
WO2016148321A1 (fr) Dispositif de support de corps magnétique
WO2021020827A1 (fr) Dispositif de levage magnétique ayant une fonction de réglage de champ magnétique
WO2011049282A1 (fr) Dispositif porte-piece a aimant permanent
WO2023136551A1 (fr) Bobine d'alimentation et unité d'alimentation à différence de champ magnétique
WO2023043054A1 (fr) Dispositif de commande de force magnétique et dispositif de maintien de corps magnétique l'utilisant
WO2023277600A1 (fr) Module de génération de champ magnétique et dispositif de génération de champ magnétique le comprenant
WO2023075073A1 (fr) Appareil fonctionnant en alternance comme moteur à courant continu et générateur à courant continu
WO2020055127A1 (fr) Mandrin magnétique à aimant permanent incorporé

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23846889

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 23846889

Country of ref document: EP

Kind code of ref document: A1