WO2017179087A1 - 磁石埋込み型コアの樹脂封止装置及び樹脂封止方法 - Google Patents
磁石埋込み型コアの樹脂封止装置及び樹脂封止方法 Download PDFInfo
- Publication number
- WO2017179087A1 WO2017179087A1 PCT/JP2016/004123 JP2016004123W WO2017179087A1 WO 2017179087 A1 WO2017179087 A1 WO 2017179087A1 JP 2016004123 W JP2016004123 W JP 2016004123W WO 2017179087 A1 WO2017179087 A1 WO 2017179087A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin
- magnet
- mold
- core
- insertion hole
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
- H02K15/125—Heating or drying of machines in operational state, e.g. standstill heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14467—Joining articles or parts of a single article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/7653—Measuring, controlling or regulating mould clamping forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/80—Measuring, controlling or regulating of relative position of mould parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
- B29C2043/181—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles encapsulated
- B29C2043/182—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles encapsulated completely
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/76006—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/76083—Position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76568—Position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/10—Thermosetting resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/251—Particles, powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0008—Magnetic or paramagnetic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/7498—Rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2053—Screws in parallel arrangement driven simultaneously with an output member moved by the screws
Definitions
- the present invention relates to a resin sealing device and resin sealing method for a magnet embedded core, and more particularly to a resin sealing device and resin sealing method for a magnet embedded core used in a rotating electrical machine.
- a magnet piece is inserted into a magnet insertion hole opened in at least one end face of the laminated core, and the magnet piece is sealed with a resin filled in the magnet insertion hole.
- a magnet-embedded core is known (for example, Patent Document 1).
- the resin-sealed magnet-embedded core includes a fixed plate, a movable plate that is disposed opposite to the fixed plate, is movable in a direction to be separated from and attached to the fixed plate, and a direction in which the movable plate is separated from and attached to the fixed plate
- a mold clamping device to be driven a fixed mold fixed to the stationary platen and disposed with a laminated iron core to be resin-sealed, and an end surface of the laminated core fixed to the movable platen and clamped by the mold clamping device
- a resin sealing device equivalent to an injection molding machine having a movable mold that closes the opening of the magnet insertion hole and pressurizes the laminated iron core in the laminating direction.
- a laminated core is a laminate of a plurality of thin sheets for cores punched and pressed into a predetermined shape.
- the gap between adjacent thin sheets for core is reduced.
- the leakage of resin into the gap is reduced.
- the laminated core is pressurized and the resin in the magnet insertion hole is cured, there is little resin leaking in the gap between the adjacent iron core thin plates, and the magnet embedded type of stable quality with good magnetic performance A core is obtained.
- a toggle type device that performs clamping with a stable and stable mold clamping force can be considered.
- a general toggle type mold clamping device has a rated mold clamping force of several tens of tons and an excessive pressure applied to the laminated iron core.
- the problem to be solved by the present invention is that even when a clamping device having a large rated clamping force is used, excessive pressing force does not act on the laminated core, and clamping is performed with appropriate pressing force.
- a stable embedded magnet core having both suppression of resin leakage outside the magnet insertion hole and suppression of deterioration of the shape accuracy and dimensional accuracy of the laminated core. That is.
- the resin-embedded magnet-embedded resin sealing device includes a magnet-embedded structure in which a magnet piece inserted in a magnet insertion hole opened in at least one end surface of a laminated iron core is sealed with a resin loaded in the magnet insertion hole.
- a mold core resin sealing device a fixed plate, a movable plate arranged opposite to the fixed plate and movable in a direction to be separated from and attached to the fixed plate, and a direction in which the movable plate is separated from and attached to the fixed plate
- a mold clamping device that is driven to the fixed platen, a fixed die attached to the fixed platen, and a movable die attached to the movable platen, and the fixed die and the movable die have the
- a laminated iron core is disposed, and either one of the fixed mold and the movable mold comes into contact with the end surface of the laminated core by clamping with the mold clamping device, and closes the opening of the magnet insertion hole and the laminated core.
- the stacking direction And is arranged between the fixed mold or the fixed plate and the movable mold or the movable plate to urge the fixed mold and the movable mold away from each other. And an elastic member.
- the pressing force of the laminated core by the mold clamping device is offset by the urging force.
- a clamping device with a large rated clamping force such as a toggle type clamping device, is used, excessive pressing force does not act on the laminated iron core, and clamping with appropriate pressing force can be performed.
- the suppression of the resin leaking out of the magnet insertion hole and the suppression of the deterioration of the shape accuracy and dimensional accuracy of the laminated iron core are both achieved, and a stable embedded magnet core is manufactured.
- the mold clamping device used here may include a toggle link, and it is inexpensive and provides a stable mold clamping force.
- the elastic body which produces a stable elastic force repeatedly such as a compression coil spring and rubber
- each elastic member is disposed radially outward around the center of the laminated core.
- the offset of the clamping force due to the urging force of the elastic member is outward in the radial direction around the center of the laminated core, so that unnecessary distortion does not occur in the laminated core.
- the elastic members are provided, and the elastic members are arranged at equal intervals around the center of the laminated iron core.
- the clamping force due to the urging force of the elastic member is uniformly canceled around the center of the laminated core, and unnecessary distortion is not generated in the laminated core due to the urging force of the elastic member.
- the resin-embedded core-embedded resin sealing device is configured so that the movable mold or the movable plate and the fixed die or the fixed plate are disposed on either side of the separating direction as the axial direction.
- a cylinder extending to the other side; and a mover provided on the cylinder so as to be movable in the axial direction.
- the elastic member is disposed in the cylinder so that the mover is moved to the other side.
- the movable element includes a distal end portion that comes into contact with the fixed mold while the movable mold approaches the fixed mold.
- the deformation of the elastic member is properly performed by being guided by the cylindrical body, and the movable element abuts on the stationary mold while the movable mold approaches the stationary mold.
- a compression coil spring having a short axial length can be used regardless of the distance. Since the compression coil spring is disposed in the cylinder, it does not bend and deform.
- the resin-embedded method for embedding a magnet-embedded core includes a magnet embedding in which a magnet piece inserted into a magnet insertion hole opened in at least one end face of a laminated core is sealed with a resin loaded in the magnet insertion hole.
- a mold core resin sealing method comprising: a stationary platen; a movable plate that is disposed opposite to the stationary plate and is movable in a direction to be separated from or attached to the stationary plate; A mold-clamping device that is driven to a fixed plate, a fixed mold attached to the fixed platen, and a movable mold attached to the movable platen.
- One of the mold and the movable mold is brought into contact with the end surface of the laminated core, and the opening of the magnet insertion hole is closed by the other of the fixed mold and the movable mold, and the laminated core is laminated.
- a pressurizing step of pressurizing in the direction, and in the pressurizing step, the movable mold and the fixed mold are separated from each other by an elastic member disposed between the movable mold and the fixed mold. The pressing force acting on the laminated iron core is reduced when the mold is clamped by the clamping device by the biasing force of the elastic member.
- the pressing force of the laminated iron core by the clamping device is offset by the urging force, and the lamination is performed at the time of clamping. Excessive pressure does not act on the iron core.
- a clamping device with a large rated clamping force such as a toggle type clamping device, is used, excessive pressing force does not act on the laminated iron core, and clamping with appropriate pressing force can be performed.
- the suppression of the resin leaking out of the magnet insertion hole and the suppression of the deterioration of the shape accuracy and dimensional accuracy of the laminated iron core are both achieved, and a stable embedded magnet core is manufactured.
- the resin loading step includes a step of loading a resin in a solid state into the magnet insertion hole. And a step of dissolving the resin in the solid state, and the pressing step includes a step of curing the resin in the dissolved state.
- the resin remaining in the runner and the gate is less than the resin filled in the magnet insertion hole through the runner and gate formed in the mold. It saves, reduces material costs, and facilitates mold maintenance.
- the resin-embedded core sealing method includes a magnet-embedded core in which a magnet piece inserted into a magnet insertion hole opened in at least one end surface of a laminated iron core is sealed with a resin loaded in the magnet insertion hole.
- a curing step for curing the dissolved resin for curing the dissolved resin.
- the resin remaining in the runner and the gate is less than the resin filled in the magnet insertion hole through the runner and gate formed in the mold. It saves, reduces material costs, and facilitates mold maintenance.
- the curing step includes a resin pressurizing step of pressurizing the molten resin.
- the bubbles remaining in the resin are discharged or the bubbles are contracted, and the magnet piece is surely sealed with the resin having less voids.
- the curing step includes an iron core pressing step of pressing the laminated iron core in the laminating direction.
- a laminated core having a good magnetic performance with a small amount of resin leaking into a gap between adjacent core sheets is manufactured.
- the curing step includes a resin pressurizing step of pressurizing the molten resin and an iron core pressurizing the laminated core in the laminating direction.
- the resin pressurizing step and the iron core pressurizing step including the pressing step are performed using a resin sealing device including a mold clamping device.
- the resin press and the laminated core are repeatedly and appropriately performed by the resin sealing device.
- the resin loading step is performed at a place different from the resin sealing device.
- the working time in the resin sealing device is shortened, and the operating rate of the resin sealing device is improved.
- the magnet piece insertion step is performed at a place different from the resin sealing device.
- the working time in the resin sealing device is shortened, and the operating rate of the resin sealing device is improved.
- the resin is made of a thermosetting resin, and the laminated iron core is heated in the melting step and the curing step.
- the solid thermosetting resin is melted in the melting process and the irreversible curing of the thermosetting resin in the curing process is efficiently performed by the heat of the laminated core.
- the resin is made of a thermosetting resin
- the melting step is performed by heating the laminated core that is preheated before the resin loading step. To dissolve at least a part of the resin in the solid state.
- the resin is made of a thermosetting resin, and the melting step is performed separately from the resin sealing device by a heating furnace or the like. Dissolving at least a portion of the solid state resin with the laminated core preheated in place.
- the working time in the resin sealing device is shortened, and the operating rate of the resin sealing device is improved.
- the solid resin is obtained by molding an uncured powdery or granular raw resin into a predetermined shape.
- the amount of resin to be loaded in the magnet insertion hole can be set in advance so that there is no excess or deficiency, the handleability is good, and the loading process is performed efficiently.
- At least one outer surface of the solid resin molded into a predetermined shape defines the inner surface of the laminated core in which the magnet insertion hole is defined. Touching.
- the solid resin is in an uncured granular form.
- the resin can be easily loaded into the magnet insertion hole regardless of the shape of the magnet insertion hole and the required amount of resin.
- the resin-encapsulated apparatus and method for a magnet-embedded core according to the present invention, even if a mold-clamping apparatus having a large rated mold-clamping force is used, excessive pressure is not applied to the laminated iron core, By clamping with pressure, both the suppression of resin leaking out of the magnet insertion hole and the suppression of deterioration of the shape accuracy and dimensional accuracy of the laminated iron core are achieved. A core is manufactured.
- the magnet-embedded core 100 includes a laminated iron core 101 and magnet pieces 110 respectively accommodated in a plurality of magnet insertion holes 104 provided in the laminated iron core 101.
- the laminated iron core 101 is obtained by laminating a plurality of thin sheets 106 for an iron core formed in a disk shape including a center hole 102 and a plurality of magnet insertion holes 104 by punching press processing.
- the magnet insertion holes 104 are provided at equal intervals around the center hole 102, each having a rectangular planar shape (cross-sectional shape), penetrating the laminated core 101 in the lamination direction (axial direction), and A rectangular parallelepiped space having an upper opening 105 on the upper end surface 108.
- the magnet insertion hole 104 penetrates the laminated core 101, but is not limited to this, and the magnet insertion hole is formed in the lowermost iron core thin plate 106 of the iron core thin plates 106 constituting the laminated core 101. By not providing the holes constituting 104, it is possible to make the magnet insertion hole 104 a bottomed hole.
- the magnet piece 110 has a rectangular parallelepiped shape, and is fixed and sealed with a resin 112 loaded (filled) in the magnet insertion hole 104 while being inserted into the magnet insertion hole 104.
- a resin 112 loaded (filled) in the magnet insertion hole 104 while being inserted into the magnet insertion hole 104.
- a thermosetting resin such as an epoxy resin that is irreversibly cured by heating can be used.
- the magnet piece 110 can be composed of, for example, a ferrite-based sintered magnet or a permanent magnet (including a magnet before magnetizing) such as a neodymium magnet.
- the axial length of the magnet piece 110 is set slightly smaller than the axial length of the magnet insertion hole 104, and the end face (here, the upper surface) of the magnet piece 110 is covered with the resin 112.
- the magnet piece 110 is biased to the inner side (center side of the laminated core 101) in the magnet insertion hole 104, and the outer surface 110A located inside the magnet piece 110 faces the inner surface 104A located inside the magnet insertion hole 104. It is in the state of contact (contact).
- the gap between each surface (excluding the inner surface 104A) defining the magnet insertion hole 104 and each corresponding surface (except the outer surface 110A) of the magnet piece 110 is larger than the practical size. Is also shown greatly.
- the resin sealing device 1 includes a lower fixed platen 10 and an upper fixed platen 12 that are spaced apart from each other.
- the lower fixed platen 10 and the upper fixed platen 12 are coupled to each other by a plurality of tie bars 14. Between the lower fixed platen 10 and the upper fixed platen 12, there is provided a movable platen 16 that is guided by the tie bar 14 and that can move in a direction away from and in contact with the lower fixed platen 10, that is, an up and down direction.
- the lower fixed platen 10, the upper fixed platen 12, and the movable platen 16 face each other.
- a lower mold 18 forming a fixed mold is attached to the upper surface 11 of the lower fixed platen 10.
- An upper mold 20 constituting a movable mold is attached to the lower surface 17 of the movable platen 16.
- the lower mold 18 has a flat plate shape, and the transfer tray 21 is movably mounted on the upper surface 19.
- a plurality of transport trays 21 are prepared for one resin sealing device 1, and the laminated iron core 101 is preliminarily placed on each transport tray 21 outside the resin sealing device 1 (a place different from the resin sealing device 1). Placed.
- the transport tray 21 on which the laminated core 101 is previously placed is carried into a predetermined position on the lower mold 18, whereby the operating rate of the resin sealing device 1 is improved.
- the laminated core 101 is placed on the transport tray 21 while being positioned by a positioning member (not shown) provided on the transport tray 21.
- a cylindrical heating device 70 for heat curing the resin 112 filled in the magnet insertion hole 104 is detachably disposed on the outer periphery of the laminated core 101.
- the heating device 70 may be a high frequency induction heating device or the like provided with a heating coil (not shown) for induction heating the laminated core 101.
- the upper mold 20 has a substantially flat lower surface 22 for pressing the laminated core 101 in the laminating direction (downward) so as to face the substantially flat upper end surface 108 of the laminated core 101 on the lower mold 18.
- the shape of the protrusion 24 in plan view may be the same rectangle as the shape of the magnet insertion hole 104 in plan view.
- the protrusion 24 may be configured by a separate part from the upper mold 20 and may be configured to move up and down independently.
- a clamping device 30 including a toggle link mechanism 42 is provided between the upper fixed platen 12 and the movable platen 16.
- the toggle link mechanism 42 is for driving the movable platen 16 in a direction in which the movable platen 16 is separated from the lower fixed platen 10 (up and down direction), and has one end pivotally connected to the lower portion of the upper fixed platen 12 by the pivot 32.
- the upper link 34 and the lower link 38 having one end pivotally connected to the upper portion of the movable plate 16 by the pivot 36, and the other ends of the upper link 34 and the lower link 38 are mutually connected by the pivot 40. It is pivotally connected.
- the mold clamping device 30 includes a hydraulic cylinder device 46 that drives the toggle link mechanism 42.
- the hydraulic cylinder device 46 includes a cylinder tube 47 having a base end pivotally connected to the fixed frame 3 of the resin sealing device 1 by a pivot 44, and a piston rod 48 projecting outward from the free end of the cylinder tube 47. And have.
- the tip of the piston rod 48 is pivotally connected to the other ends of the upper link 34 and the lower link 38 by a pivot 40.
- the mold clamping device 30 positions the movable platen 16 at the highest position (die opening position). As shown in FIG. 8, when the piston rod 48 moves forward and the toggle link mechanism 42 is fully extended, the movable platen 16 is positioned at the lowest lowered position (mold closing position).
- the maximum bent state is a bent state in which the sandwiching angle formed by the upper link 34 and the lower link 38 is minimized.
- the maximum extended state is an extended state in which the upper link 34 and the lower link 38 extend in a straight line in the vertical direction (a state where the sandwich angle is 180 degrees). is there.
- the maximum extension state can be detected by a well-known method by measuring the position of the movable platen 16 with a linear sensor (not shown) or the like.
- the upper mold 20 In the maximum extended state, the upper mold 20 is positioned at the lowest lowered position together with the movable platen 16 as shown in FIG. 8, and the lower mold 22 faces the upper end surface 108 of the laminated core 101 on the lower mold 18.
- the laminated iron core 101 is pressed in the laminating direction by contact, and the protrusion 24 is engaged with the magnet insertion hole 104 to close the upper opening 105 to pressurize the resin 112 in the magnet insertion hole 104.
- This state is called a mold clamping state.
- the upper mold 20 is fixed with the upper ends of a plurality of cylindrical bodies 60 with bottoms extending from the upper mold 20 toward the lower mold 18 with the vertical direction as the axial direction.
- the plurality of cylindrical bodies 60 are radially outward around the center of the laminated core 101 arranged at predetermined positions on the lower mold 18 via the transport tray 21 and are arranged at equal intervals around the center of the laminated core 101.
- the movable elements 62 are supported so as to be movable in the vertical direction.
- Each movable element 62 integrally has a distal end portion 66 that protrudes out of the cylindrical body 60 through a through hole 64 formed in the bottom (lower end) of the cylindrical body 60.
- the distal end surface 67 of each distal end portion 66 faces the upper surface 19 of the lower mold 18.
- each compression coil spring 68 is provided between the upper mold 20 and the mover 62.
- Each compression coil spring 68 urges the corresponding movable element 62 toward the bottom of the cylindrical body 60, in other words, toward the lower mold 18.
- the urging forces of the movable elements 62 by the compression coil springs 68 set on the cylindrical bodies 60 may be the same.
- each mover 62 is in the middle of movement of the upper mold 20 approaching the lower mold 18, and more specifically, as shown in FIG. 7, the lower surface 22 of the upper mold 20 is laminated. Arrangement that simultaneously contacts the upper surface 19 of the lower mold 18 when the upper mold 20 descends to a descending position just before the descending position where it comes into surface contact with the upper end surface 108 of the iron core 101 (dimension setting of each part) )It has become.
- the movable platen 16 is at the highest position, and the upper mold 20 is in the mold open state farthest from the lower mold 18 together with the transport tray 21.
- the laminated iron core 101 is disposed (loaded) at a predetermined position on the lower mold 18.
- each resin block 114 is put into each magnet insertion hole 104 from the upper opening 105.
- Each resin block 114 is formed by first molding an uncured powdery or granular raw resin (same as the resin 112) into a rectangular shape matching the shape of the magnet insertion hole 104 in an uncured state. It is arranged at the bottom of the insertion hole 104.
- the resin blocks 114 arranged in the magnet insertion holes 104 are heated all at once in the magnet insertion holes 104 by heat from the laminated iron core 101 heated by the heating device 70.
- the laminated core 101 may be preheated by a heating device 70 or a heating furnace (not shown) in a place different from the resin sealing device 1 before the arrangement of the laminated core 101 with respect to the resin sealing device 1. Thereby, it is possible to shorten the time required to heat the laminated iron core 101 to a temperature necessary for melting the resin block 114 in the melting step described later.
- the resin loading process may be performed in advance in a place different from the resin sealing device 1 before the laminated core 101 is arranged with respect to the resin sealing device 1. By these things, the working time in the resin sealing apparatus 1 is shortened, and the operation rate of the resin sealing apparatus 1 improves.
- the outer surfaces 114A and 114B are in surface contact with the inner surfaces 104A and 104B of the magnet insertion hole 104, respectively.
- heat transfer from the laminated core 101 to the resin block 114 is performed more efficiently than when there is a gap between the two, and the resin block 114 is heated efficiently and quickly in the magnet insertion hole 104. Is called.
- the magnet piece 110 is put into each magnet insertion hole 104 from the upper opening 105 in the mold open state.
- the insertion of each magnet piece 110 is brought close to the side where one outer surface 110A of the magnet piece 110 comes into contact with the inner surface 104A on the side of the center hole 102 of the magnet insertion hole 104 corresponding thereto.
- the process is performed until the lower end surface of the magnet piece 110 comes into contact with the upper surface of the resin block 114 in the magnet insertion hole 104.
- the magnet piece insertion step may also be performed in advance at a location different from the resin sealing device 1 before the laminated core 101 is arranged with respect to the resin sealing device 1. Also by this, the working time in the resin sealing device 1 is shortened, and the operating rate of the resin sealing device 1 is improved.
- the resin block 114 is heated by the heat of the laminated core 101 to melt the resin block 114.
- the dissolution of the resin block 114 means that the raw material resin constituting the block 114 is liquid or softened and becomes fluid.
- the magnet piece 110 that has been heated (preheated) to a predetermined temperature in advance by a heating furnace (not shown) or the like may be used as the magnet piece 110 to be put into the magnet insertion hole 104.
- the heating of the resin block 114 in the magnet insertion hole 104 is directly performed by the heat of the magnet piece 110 in addition to the heat from the laminated iron core 101 heated by the heating device 70, so that in the melting step The time required for melting the resin block 114 is shortened, and the work efficiency of resin sealing is improved.
- the magnet piece 110 When the resin block 114 is melted, the magnet piece 110 is pushed toward the bottom of the magnet insertion hole 104, so that the liquid level of the resin 112 (see FIG. 6) by the melted resin block 114 as the pushing progresses is inserted into the magnet. It gradually rises in the hole 104.
- the heating of the resin block 114 in the magnet insertion hole 104 is directly performed by the heat of the magnet piece 110 in addition to the heat from the laminated iron core 101 heated by the heating device 70, so that the resin in the melting step.
- the time required for melting the block 114 is shortened, and the work efficiency of resin sealing is improved.
- the piston rod 48 moves forward by supplying hydraulic pressure to the hydraulic cylinder device 46.
- the angle between the upper link 34 and the lower link 38 increases and the toggle link mechanism 42 extends. With this extension, the upper mold 20 moves down together with the movable platen 16. .
- the toggle link mechanism 42 extends, and as shown in FIG. 8, the upper link 34 and the lower link 38 extend in a straight line, that is, the toggle link mechanism 42 extends straight.
- the lower surface 22 of the upper mold 20 is in surface contact with the upper end surface 108 of the laminated core 101 to pressurize the laminated core 101 in the laminating direction, and each protrusion 24 is inserted into the corresponding magnet insertion hole 104.
- the upper opening 105 is engaged to close the mold, and the mold 112 is pressed to pressurize the resin 112 in the magnet insertion hole 104.
- the gap between the adjacent iron core thin plates 106 is reduced or eliminated by the mold clamping, so that the leakage of the resin 112 into the gap between the adjacent iron core thin plates 106 is reduced or avoided.
- the resin 112 is continuously heated by the heat from the laminated core 101 heated by the heating device 70, whereby the resin 112 undergoes a curing reaction, and the resin 112 is cured irreversibly. .
- the magnet piece 110 in the magnet insertion hole 104 is fixed and sealed, and the magnet-embedded core 100 is completed.
- the completed magnet-embedded core 100 is carried out of the resin sealing device 1 by the transport tray 21.
- the curing of the resin 114 that is, the curing process is performed in a mold clamping state in which the laminated core 101 is pressed by the upper mold 20 and the upper opening 105 is closed as an iron core pressing process.
- the sealing is performed with little or no resin 112 leaking into the gap between the adjacent iron core thin plates 106.
- the magnet-embedded core 100 of stable quality with good magnetic performance can be obtained.
- the curing process is performed as a resin pressurizing process in a state where the resin 112 in the resin magnet insertion hole 104 is pressurized by the protrusion 24, so that the resin 112 remains in the resin 112 before the resin 112 is cured.
- the discharged bubbles or the contraction of the bubbles is performed well. Thereby, the magnet piece 110 is reliably fixed and sealed by the resin 112 with few voids.
- the molten resin is pressurized to the magnet insertion hole 104 through a runner and gate formed in the mold as in injection molding. Compared to the case of filling, the resin remaining in the runner and the gate is saved, the material cost is reduced, and the maintenance of the mold is facilitated. Further, since the resin block 114 is used, the amount of the resin 112 to be loaded in the magnet insertion hole 104 can be set in advance so that there is no excess or deficiency, the handling property thereof is good, and the loading process can be performed efficiently. become.
- the upper mold 20 is moved together with the cylindrical body 60 in the process in which the upper mold 20 is lowered from the state in which the tip surface 67 of the movable element 62 is in contact with the upper surface 19 of the lower mold 18 to the mold clamping state.
- each compression coil spring 68 is compressed and deformed, and a spring that urges the upper mold 20 and the lower mold 18 between the two molds in a direction away from each other. Force acts.
- the applied pressure acting on the laminated core 101 is reduced by the total amount of the spring force due to the compression deformation of each compression coil spring 68, and accordingly, the type of the toggle link mechanism 42 is reduced.
- the clamping force is offset, and the applied pressure acting on the laminated core 101 in the lamination direction in the mold clamping state is smaller than the rated mold clamping force obtained in the maximum extension state of the toggle link mechanism 42.
- the laminated core 101 does not excessively deform in the laminating direction at the time of clamping, a large stress does not occur in the laminated core 101 and the resin 112 cured in the magnet insertion hole 104 after the mold clamping is released.
- the resin 112 in the insertion hole 104 is not peeled off, and the resin 112 is not cracked.
- the suppression of the leakage of the resin 112 to the outside of the magnet insertion hole 104 and the suppression of the decrease in the shape accuracy and dimensional accuracy of the laminated core 101 are compatible, and the stable embedded magnet core 100 is efficiently manufactured. Is done.
- the pressurizing force that actually acts on the laminated iron core 101 at the time of mold clamping when the toggle link mechanism 42 is in the maximum extension state is the rated mold clamping force of the mold clamping device 30, the spring constant of the compression coil spring 68, the amount of compressive deformation, and the preload. Therefore, the pressure force that actually acts on the laminated core 101 during mold clamping can be freely adjusted by setting the spring characteristics of the compression coil spring 68. As a result, even if the rated clamping force of the clamping device 30 is a fixed value, the setting of the spring characteristics of the compression coil spring 68 allows a wide range of pressures that actually act on the laminated core 101 when the clamping is completed. Can be set.
- the appropriate pressure in resin sealing of the magnet-embedded core 100 differs depending on the size of the laminated core 101, the number of laminated layers, and the like.
- compression is performed under the use of the same resin sealing device 1, lower mold 18, and upper mold 20.
- an appropriate pressure can be obtained in each of the resin seals of the various magnet-embedded cores 100.
- it is possible to reduce the capital investment for resin sealing of a wide variety of magnet-embedded cores 100, and to easily seal a wide variety of magnet-embedded cores 100 with resin with a small amount of capital investment. Can respond.
- the compression coil springs 68 are arranged at equal intervals outward in the radial direction around the center of the center hole 102 of the laminated core 101 arranged in a positioned state on the lower mold 18 via the transport tray 21.
- the offset of the clamping force of the toggle link mechanism 42 due to the spring force of the compression coil spring 68 does not become uneven around the center of the laminated core 101.
- the pressurizing force acting on the laminated core 101 in the lamination direction when the mold clamping is completed does not become uneven around the center of the laminated core 101 due to the compression coil spring 68, and unnecessary distortion occurs in the laminated core 101. It does not occur.
- the compression deformation of the compression coil spring 68 is properly performed without being bent and guided by the cylindrical body 60, and the mover 62 moves downward while the upper mold 20 approaches the lower mold 18. Since it abuts on the mold 18, the compression coil spring 68 having a short axial length can be used regardless of the mold opening distance.
- the lower mold 18 is fixed to the lower fixed plate 10
- the upper mold 20 is fixed to the movable plate 16
- the compression coil spring 68 is disposed in parallel between the lower mold 18 and the upper mold 20.
- the lower mold 18 and the upper mold 20 are directly supported between the lower mold 18 and the upper mold 20 by the compression coil spring 68 from the lower stationary platen 10 or the movable platen 16 and are suspended or suspended. Since the lower mold 18 and the upper mold 20 are not supported, a posture failure such as tilting due to the presence of the compression coil spring 68 does not occur. Thereby, accurate mold clamping is always performed.
- FIGS. 9 to 15 the portions corresponding to those in FIG. 3 are denoted by the same reference numerals as those in FIG. 3, and the description thereof is omitted.
- the distal end surface 67 of the mover 62 faces the upper surface 11 of the lower fixed platen 10, and the distal end surface 67 contacts the upper surface 11 by the lowering of the movable platen 16.
- the compression coil spring 68 is disposed between the lower fixed platen 10 and the upper mold 20, and the lower mold 18 and the upper mold 20 are separated from each other as in the above-described embodiment. Energize. Therefore, in this embodiment, the same effect as the above-described embodiment can be obtained.
- the cylinder 60 to which the mover 62 and the compression coil spring 68 are attached is attached to the lower surface 17 of the movable platen 16.
- the distal end surface 67 of the mover 62 faces the upper surface 19 of the lower mold 18 and abuts on the upper surface 19 when the movable platen 16 is lowered.
- the compression coil spring 68 is disposed between the lower mold 18 and the movable platen 16 and attaches the lower mold 18 and the upper mold 20 in a direction away from each other, as in the above-described embodiment. Rush. Therefore, in this embodiment, the same effect as the above-described embodiment can be obtained.
- the cylinder 60 to which the mover 62 and the compression coil spring 68 are attached is attached to the lower surface 17 of the movable platen 16.
- the tip surface 67 of the movable element 62 faces the upper surface 11 of the lower fixed platen 10 and abuts on the upper surface 11 when the movable platen 16 is lowered.
- the compression coil spring 68 is disposed between the lower fixed platen 10 and the movable platen 16 and attaches the lower mold 18 and the upper mold 20 in a direction away from each other as in the above-described embodiment. Rush. Therefore, in this embodiment, the same effect as the above-described embodiment can be obtained.
- the cylinder 60 to which the mover 62 and the compression coil spring 68 are attached is attached to the upper surface 19 of the lower mold 18.
- the distal end surface 67 of the mover 62 faces the lower surface 22A of the upper mold 20 and abuts on the lower surface 22A when the movable platen 16 is lowered.
- the compression coil spring 68 is disposed between the lower mold 18 and the upper mold 20, and the lower mold 18 and the upper mold 20 are separated from each other as in the above-described embodiment. Energize. Therefore, in this embodiment, the same effect as the above-described embodiment can be obtained.
- the cylinder 60 to which the mover 62 and the compression coil spring 68 are attached is attached to the upper surface 19 of the lower mold 18.
- the tip surface 67 of the movable element 62 faces the lower surface 17 of the movable platen 16 and abuts on the lower surface 17 when the movable platen 16 is lowered.
- the compression coil spring 68 is disposed between the lower mold 18 and the movable platen 16 and attaches the lower mold 18 and the upper mold 20 in a direction away from each other, as in the above-described embodiment. Rush. Therefore, in this embodiment, the same effect as the above-described embodiment can be obtained.
- the cylinder 60 to which the mover 62 and the compression coil spring 68 are attached is attached to the upper surface 11 of the lower fixed platen 10.
- the tip surface 67 of the mover 62 faces the lower surface 22A of the peripheral edge of the upper mold 20 and abuts on the lower surface 22A when the movable platen 16 is lowered.
- the compression coil spring 68 is disposed between the lower fixed platen 10 and the upper mold 20, and the lower mold 18 and the upper mold 20 are separated from each other as in the above-described embodiment. Energize. Therefore, in this embodiment, the same effect as the above-described embodiment can be obtained.
- the cylindrical body 60 to which the mover 62 and the compression coil spring 68 are attached is attached to the upper surface 11 of the lower fixed platen 10.
- the tip surface 67 of the movable element 62 faces the lower surface 17 of the movable platen 16 and abuts on the lower surface 17 when the movable platen 16 is lowered.
- the compression coil spring 68 is disposed between the lower fixed platen 10 and the movable platen 16 and attaches the lower mold 18 and the upper mold 20 in a direction away from each other as in the above-described embodiment. Rush. Therefore, in this embodiment, the same effect as the above-described embodiment can be obtained.
- the lower mold 18 and the upper mold 20 are not floatingly supported or suspended from the lower stationary platen 10 or the movable platen 16 by the compression coil spring 68.
- a posture failure such as tilting of the upper mold 20 does not occur. Thereby, stable mold clamping is always performed.
- the state in which the rated clamping force is generated is the maximum extended state in which the upper link 34 and the lower link 38 extend in a straight line and the toggle link mechanism 42 extends straight.
- the toggle link mechanism 42 may be in a state of a predetermined clamping angle by a mechanical stopper or the like, as long as a stable mold clamping force can be obtained repeatedly.
- uncured granular raw material resin 116 is directly fed into the magnet insertion hole 104 as a resin loading step.
- the raw material resin 116 can be easily loaded into the magnet insertion hole 104 without excess or deficiency.
- a mold clamping device 30 including a toggle link mechanism 42 is provided between the lower fixed platen 10 and the movable platen 16.
- a lower mold 18 that is a movable mold is attached to the upper surface of the movable platen 16.
- An upper mold 20 that is a fixed mold is attached to the lower surface of the upper fixed platen 12.
- the laminated iron core 101 is placed on the lower mold 18 via the transport tray 21.
- the lower mold 18 is moved up together with the movable platen 16 by the mold clamping device 30, so that the lower surface 22 of the upper mold 20 comes into surface contact with the upper end surface 108 of the laminated core 101 on the lower mold 18. Then, the laminated core 101 is pressed in the stacking direction, and the protrusion 24 is engaged with the magnet insertion hole 104 to close the upper opening 105, and the resin 112 in the magnet insertion hole 104 is pressed.
- the upper mold 20 has a plurality of bottomed cylindrical shapes extending from the upper mold 20 toward the lower mold 18 with the vertical direction as the axial direction.
- the upper end of the cylindrical body 60 is fixed.
- the plurality of cylinders 60 are arranged at equal intervals outward in the radial direction around the center of the laminated iron core 101 arranged at a predetermined position on the lower mold 18 via the transport tray 21, and each move the movable element 62 up and down. Supports movement in the direction.
- Each movable element 62 integrally has a distal end portion 66 that protrudes out of the cylindrical body 60 through a through hole 64 formed in the bottom (lower end) of the cylindrical body 60.
- the distal end surface 67 of each distal end portion 66 faces the upper surface 19 of the lower mold 18.
- the cylindrical body 60, the movable element 62, and the compression coil spring 68 are arranged in the embodiment shown in FIG. 17 in which the laminated core 101 is arranged on the lower mold 18 on the movable platen 16 as well. A similar arrangement to the embodiment shown in FIG. 15 is possible.
- the cylinders 60, the movers 62, and the compression coil springs 68 are not necessarily arranged at equal intervals around the center of the laminated core 101, and may be arranged unevenly around the center of the laminated core 101.
- the compression coil spring 68 may be provided between the upper mold 20 and the lower mold 18, and may always be urged in a direction in which the upper mold 20 and the lower mold 18 are separated from each other.
- an elastic body such as rubber may be used.
- the drive of the toggle link mechanism 42 may be an electric type using a ball screw and a servo motor instead of the hydraulic cylinder device 46.
- the detection of the maximum extension state in this case can be performed by a known method using a rotary encoder that measures the rotation angle of the servo motor.
- the mold clamping device 30 may be based on a plurality of toggle link mechanisms arranged in parallel.
- the mold clamping device 30 is not limited to the one including the toggle link mechanism 42, and is a hydraulic direct acting type in which the movable platen 16 is directly moved by the hydraulic cylinder device 80 as shown in FIG. There may be. Also in this case, by providing the compression coil spring 68, the same effect as that of the toggle link type mold clamping device 30 described above can be obtained.
- the magnet insertion hole 104 is not necessarily a through hole having openings at both ends, and may be a bottomed hole that is opened only on one end surface of the laminated core 101.
- the filling of the resin into the magnet insertion hole 104 may be performed with a solid resin such as a sheet, instead of the resin block 114 and the granular raw material resin 116.
- the mold clamping force may be small because a load in the mold opening direction due to the injection pressure of the resin does not act on the mold during the resin loading process. Further, in this case, it is not always necessary to press the laminated iron core at the time of mold clamping, and only pressurization of the resin 112 for discharging bubbles may be used.
- the resin filling into the magnet insertion hole 104 may be performed by injecting (injecting) a liquid resin into the magnet insertion hole 104 after clamping.
- a horizontal resin sealing device can be used.
- the heating of the resin block 114 by the heat of the magnet piece 110 in the melting step is not essential, and the preheating of the magnet piece 110 may be omitted.
- the lower mold 18 is movable with respect to the lower fixed platen 10 and may also serve as the transport tray 21.
- the cylindrical body 60, the movable element 62, and the compression coil spring 68 are provided on the upper mold 20 side, these do not hinder the movement of the lower mold 18 as the transport tray, There is no need to provide a plurality of these for each lower mold 18 prepared.
- the transport tray 21 is not essential.
- a mold clamping device 30 is provided between the lower fixed platen 10 and the movable platen 16, a lower mold 18 is provided on the movable platen 16, and an upper die 20 is provided on the lower surface of the lower fixed platen 10.
- the lower mold 18 may be moved up and down together with 16.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
3 固体フレーム
10 下部固定盤
11 上面
12 上部固定盤
14 タイバー
16 可動盤
17 下面
18 下金型
19 上面
20 上金型
21 搬送トレイ
22 下面
22A 下面
24 突部
30 型締め装置
32 枢軸
34 上側リンク
36 枢軸
38 下側リンク
40 枢軸
42 トグルリンク機構
44 枢軸
46 油圧シリンダ装置
47 シリンダチューブ
48 ピストンロッド
60 筒体
62 可動子
64 貫通孔
66 先端部
67 先端面
68 圧縮コイルばね
70 加熱装置
80 油圧シリンダ装置
100 磁石埋込み型コア
101 積層鉄心
102 中心孔
104 磁石挿入孔
104A 内面
104B 内面
105 上側開口
106 鉄心用薄板
108 上端面
110 磁石片
110A 外面
112 樹脂
114 樹脂ブロック
114A 外面
114B 外面
116 原料樹脂
Claims (19)
- 積層鉄心の少なくとも一方の端面に開口した磁石挿入孔に挿入された磁石片が前記磁石挿入孔に装填された樹脂によって封止された磁石埋込み型コアの樹脂封止装置であって、
固定盤と、
前記固定盤に対向して配置され、前記固定盤に対して離接する方向に移動可能な可動盤と、
前記可動盤を前記離接する方向に駆動する型締め装置と、
前記固定盤に取り付けられた固定金型と、
前記可動盤に取り付けられた可動金型とを有し、
前記固定金型及び前記可動金型の何れか一方に前記積層鉄心を配置され、前記型締め装置による型締めによって前記固定金型及び前記可動金型の何れか他方が前記積層鉄心の前記端面に当接し、前記磁石挿入孔の開口を閉じると共に前記積層鉄心を積層方向に加圧するように構成され、
更に、前記固定金型或いは前記固定盤と前記可動金型或いは前記可動盤との間に配置されて前記固定金型と前記可動金型とを互いに離れる方向に付勢する弾性部材とを有する磁石埋込み型コアの樹脂封止装置。 - 前記型締め装置はトグルリンクを含む請求項1に記載の磁石埋込み型コアの樹脂封止装置。
- 前記弾性部材は複数設けられ、各弾性部材は前記積層鉄心の中心周りの径方向外方に配置されている請求項1または2に記載の磁石埋込み型コアの樹脂封止装置。
- 前記弾性部材は複数設けられ、各弾性部材は前記積層鉄心の中心周りに等間隔に配置されている請求項1から3の何れか一項に記載の磁石埋込み型コアの樹脂封止装置。
- 前記離接する方向を軸線方向として前記可動金型或いは前記可動盤と前記固定金型或いは前記固定盤との何れか一方の側から他方の側に延出した筒体と、
前記筒体に前記軸線方向に移動可能に設けられた可動子とを更に有し、
前記弾性部材は前記筒体内に配置されて前記可動子を前記他方の側に付勢する圧縮コイルばねであり、前記可動子は前記可動金型が前記固定金型に接近する移動途中で前記固定金型と当接する先端部を含んでいる請求項1から4の何れか一項に記載の磁石埋込み型コアの樹脂封止装置。 - 積層鉄心の少なくとも一方の端面に開口した磁石挿入孔に挿入された磁石片が前記磁石挿入孔に装填された樹脂によって封止された磁石埋込み型コアの樹脂封止方法であって、
固定盤と、前記固定盤に対向して配置され、前記固定盤に対して離接する方向に移動可能な可動盤と、前記可動盤を前記離接する方向に駆動する型締め装置と、前記固定盤に取り付けられた固定金型と、前記可動盤に取り付けられた可動金型とを有する樹脂封止装置を用い、
前記固定金型及び前記可動金型の何れか一方に前記積層鉄心を配置する鉄心配置工程と、
前記磁石挿入孔に前記樹脂を装填する樹脂装填工程と、
前記磁石挿入孔に前記磁石片を挿入する磁石片挿入工程と、
前記型締め装置によって前記固定金型及び前記可動金型の何れか他方を前記積層鉄心の前記端面に当接させ、前記固定金型及び前記可動金型の何れか他方によって前記磁石挿入孔の開口を閉じると共に前記積層鉄心を積層方向に加圧する加圧工程とを有し、
前記加圧工程において、前記可動金型と前記固定金型との間に配置された弾性部材によって前記可動金型と前記固定金型とを互いに離れる方向に付勢して当該弾性部材の付勢力によって前記型締め装置による型締め状態時に前記積層鉄心に作用する加圧力を低減する磁石埋込み型コアの樹脂封止方法。 - 前記樹脂装填工程は前記磁石挿入孔に固形状態の樹脂を装填する工程を含み、
更に、前記磁石挿入孔内において前記固形状態の樹脂を溶解させる溶解工程を有し、前記加圧工程は溶解状態の前記樹脂を硬化させる工程を含んでいる請求項6に記載の磁石埋込み型コアの樹脂封止方法。 - 積層鉄心の少なくとも一方の端面に開口した磁石挿入孔に挿入された磁石片を磁石挿入孔に装填された樹脂によって封止する磁石埋込み型コアの樹脂封止方法であって、
前記磁石挿入孔に固形の樹脂を装填する樹脂装填工程と、
前記磁石挿入孔に前記磁石片を挿入する磁石片挿入工程と、
前記磁石挿入孔内において前記固形の樹脂を溶解させる溶解工程と、
溶解した前記樹脂を硬化させる硬化工程とを有する磁石埋込み型コアの樹脂封止方法。 - 前記硬化工程は溶解状態の前記樹脂を加圧する樹脂加圧工程を含む請求項8に記載の磁石埋め込み型コアの樹脂封止方法。
- 前記硬化工程は前記積層鉄心を積層方向に加圧する鉄心加圧工程を含む請求項8または9に記載の磁石埋め込み型コアの樹脂封止方法。
- 前記硬化工程は溶解状態の前記樹脂を加圧する樹脂加圧工程及び前記積層鉄心を積層方向に加圧する鉄心加圧工程を含む、前記樹脂加圧工程及び前記鉄心加圧工程を型締め装置を含む樹脂封止装置を用いて行う請求項8に記載の磁石埋め込み型コアの樹脂封止方法。
- 前記樹脂装填工程を前記樹脂封止装置とは別の場所で行う請求項11に記載の磁石埋め込み型コアの樹脂封止方法。
- 前記磁石片挿入工程を前記樹脂封止装置とは別の場所で行う請求項11または12に記載の磁石埋め込み型コアの樹脂封止方法。
- 前記樹脂は熱硬化性樹脂からなり、
前記溶解工程及び硬化工程において前記積層鉄心を加熱する請求項8から13の何れか一項に記載の磁石埋め込み型コアの樹脂封止方法。 - 前記樹脂は熱硬化性樹脂からなり、
前記溶解工程は、前記装填工程前に予め加熱された前記積層鉄心によって前記固形状態の樹脂の少なくとも一部を溶解させることを含む請求項8から14の何れか一項に記載の磁石埋め込み型コアの樹脂封止方法。 - 前記樹脂は熱硬化性樹脂からなり、
前記溶解工程は、前記樹脂封止装置とは別の場所で予め加熱された前記積層鉄心によって前記固形状態の樹脂の少なくとも一部を溶解させることを含む請求項8から15の何れか一項に記載の磁石埋め込み型コアの樹脂封止方法。 - 前記固形の樹脂は未硬化の粉末状或いは顆粒状の原料樹脂を所定形状に成形したものである請求項8から16の何れか一項に記載の磁石埋め込み型コアの樹脂封止方法。
- 前記固形の樹脂の少なくとも一つの外面が前記磁石挿入孔を画定する前記積層鉄心の内面に接触している請求項17に記載の磁石埋め込み型コアの樹脂封止方法。
- 前記固形の樹脂は未硬化の顆粒状のものである請求項8から18の何れか一項に記載の磁石埋め込み型コアの樹脂封止方法。
Priority Applications (20)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680084507.7A CN109075670B (zh) | 2016-04-13 | 2016-09-09 | 磁铁嵌入型铁芯的树脂密封装置和树脂密封方法 |
MX2018012401A MX2018012401A (es) | 2016-04-13 | 2016-09-09 | Dispositivo de sellado con resina y metodo de sellado con resina para fabricar un nucleo con iman integrado. |
EP16898548.9A EP3444928B1 (en) | 2016-04-13 | 2016-09-09 | Resin sealing device and resin sealing method for interior magnet-type core |
JP2018511545A JP6726736B2 (ja) | 2016-04-13 | 2016-09-09 | 磁石埋込み型コアの樹脂封止装置及び樹脂封止方法 |
US16/092,257 US11223261B2 (en) | 2016-04-13 | 2016-09-09 | Resin sealing device and resin sealing method for manufacturing magnet embedded core |
CN201680084311.8A CN109075669B (zh) | 2016-04-13 | 2016-10-31 | 磁铁嵌入型铁芯的树脂密封装置和树脂密封方法 |
JP2018511876A JP6800958B2 (ja) | 2016-04-13 | 2016-10-31 | 磁石埋込み型コアの樹脂封止装置及び樹脂封止方法 |
PCT/JP2016/082291 WO2017179231A1 (ja) | 2016-04-13 | 2016-10-31 | 磁石埋込み型コアの樹脂封止装置及び樹脂封止方法 |
US16/087,675 US11201526B2 (en) | 2016-04-13 | 2016-10-31 | Resin sealing device and resin sealing method for manufacturing magnet embedded core |
MX2018012395A MX2018012395A (es) | 2016-04-13 | 2017-03-24 | Dispositivo y metodo para fabricar un nucleo con iman integrado. |
PCT/JP2017/012034 WO2017179398A1 (ja) | 2016-04-13 | 2017-03-24 | 磁石埋込み型コアの製造装置及び製造方法 |
JP2017528861A JP6345883B2 (ja) | 2016-04-13 | 2017-03-24 | 磁石埋込み型コアの製造方法 |
CN201780013784.3A CN108702069B (zh) | 2016-04-13 | 2017-03-24 | 磁体嵌入式芯的制造装置和制造方法 |
EP17782216.0A EP3444929B1 (en) | 2016-04-13 | 2017-03-24 | Manufacturing device and manufacturing method of magnet embedded core |
US16/073,845 US11038408B2 (en) | 2016-04-13 | 2017-03-24 | Method for manufacturing magnet embedded core |
JP2018512012A JP6871239B2 (ja) | 2016-04-13 | 2017-04-10 | 磁石埋込み型コアの製造方法、磁石埋込み型コアの製造装置及び製造治具 |
CN201780023393.XA CN109075671B (zh) | 2016-04-13 | 2017-04-10 | 磁铁埋入型铁芯的制造方法、制造装置及制造工具 |
US16/092,294 US11201527B2 (en) | 2016-04-13 | 2017-04-10 | Device, method, and jig for manufacturing magnet embedded core |
PCT/JP2017/014700 WO2017179547A1 (ja) | 2016-04-13 | 2017-04-10 | 磁石埋込み型コアの製造方法、磁石埋込み型コアの製造装置及び製造治具 |
JP2018077734A JP2018130026A (ja) | 2016-04-13 | 2018-04-13 | 磁石埋込み型コアの製造装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/002009 WO2017179086A1 (ja) | 2016-04-13 | 2016-04-13 | 磁石埋め込み型コアの製造方法 |
JPPCT/JP2016/002009 | 2016-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017179087A1 true WO2017179087A1 (ja) | 2017-10-19 |
Family
ID=60041454
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/002009 WO2017179086A1 (ja) | 2016-04-13 | 2016-04-13 | 磁石埋め込み型コアの製造方法 |
PCT/JP2016/004123 WO2017179087A1 (ja) | 2016-04-13 | 2016-09-09 | 磁石埋込み型コアの樹脂封止装置及び樹脂封止方法 |
PCT/JP2016/082291 WO2017179231A1 (ja) | 2016-04-13 | 2016-10-31 | 磁石埋込み型コアの樹脂封止装置及び樹脂封止方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/002009 WO2017179086A1 (ja) | 2016-04-13 | 2016-04-13 | 磁石埋め込み型コアの製造方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/082291 WO2017179231A1 (ja) | 2016-04-13 | 2016-10-31 | 磁石埋込み型コアの樹脂封止装置及び樹脂封止方法 |
Country Status (6)
Country | Link |
---|---|
US (3) | US11552540B2 (ja) |
EP (3) | EP3444927B1 (ja) |
JP (6) | JP6240365B1 (ja) |
CN (5) | CN108702068B (ja) |
MX (3) | MX2018012543A (ja) |
WO (3) | WO2017179086A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11588384B2 (en) | 2018-11-05 | 2023-02-21 | Kuroda Precision Industries Ltd. | Device and method for manufacturing magnet embedded core |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3444927B1 (en) * | 2016-04-13 | 2024-04-10 | Kuroda Precision Industries Ltd. | Method of manufacturing a laminated iron core comprising embedded magnets |
CN108908262A (zh) * | 2018-06-13 | 2018-11-30 | 柳州市钜诚科技有限公司 | 一种便于放置模具的模具架 |
WO2020075275A1 (ja) * | 2018-10-11 | 2020-04-16 | 黒田精工株式会社 | ロータコア保持治具、磁石埋込み型コアの製造装置及び製造方法 |
CN109286283B (zh) * | 2018-11-06 | 2023-11-14 | 福建省昌辉机电有限公司 | 起动机定子磁铁安装装置 |
JP7228182B2 (ja) * | 2018-12-17 | 2023-02-24 | Kyb株式会社 | ロータ及びロータの製造方法 |
CN109603199A (zh) * | 2019-01-09 | 2019-04-12 | 北京精密机电控制设备研究所 | 一种定装原料饮品通用自动化肘结顶紧萃取装置 |
US20220103029A1 (en) * | 2019-01-11 | 2022-03-31 | Nhk Spring Co., Ltd. | Rotor Manufacturing Method and Rotor |
CN109878010A (zh) * | 2019-04-18 | 2019-06-14 | 上海盘毂动力科技股份有限公司 | 一种电机铁芯覆层的制作装置和制作方法 |
DE102019126763A1 (de) * | 2019-10-04 | 2021-04-08 | Schlaeger Kunststofftechnik Gmbh | Verfahren zur Herstellung eines mit wenigstens einem Bauelement, insbesondere mit einem Funktionselement, versehenen Bauteils |
CN112910202B (zh) * | 2021-03-20 | 2022-08-19 | 广东兰搏科技有限公司 | 一种转子铁芯磁瓦自动装配设备 |
JP2022176771A (ja) * | 2021-05-17 | 2022-11-30 | 株式会社三井ハイテック | 鉄心製品の製造方法及び鉄心製品の製造装置 |
JP7484822B2 (ja) | 2021-06-09 | 2024-05-16 | 株式会社デンソー | 磁石組付装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006211748A (ja) * | 2005-01-25 | 2006-08-10 | Mitsui High Tec Inc | 回転子積層鉄心の製造装置及び製造方法 |
JP2009171785A (ja) * | 2008-01-18 | 2009-07-30 | Toyota Motor Corp | 回転電機 |
JP2012010595A (ja) * | 2009-09-14 | 2012-01-12 | Mitsui High Tec Inc | 永久磁石の樹脂封止方法 |
JP2015089169A (ja) * | 2013-10-28 | 2015-05-07 | 株式会社ジェイテクト | ロータの製造方法及びロータの製造装置 |
Family Cites Families (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3488410A (en) | 1966-09-07 | 1970-01-06 | Ace Electronics Associates Inc | Process for molding resistors |
GB1138435A (en) * | 1967-02-22 | 1969-01-01 | Rolls Royce | Improvements relating to moulding |
US3568554A (en) | 1967-11-13 | 1971-03-09 | Core Memories Ltd | Magnetic core forming system |
FR2031719A5 (ja) * | 1969-02-05 | 1970-11-20 | Verre Textile Ste | |
US4076780A (en) * | 1977-01-27 | 1978-02-28 | General Motors Corporation | Programmable velocity and force control method for compression molding |
US4204822A (en) * | 1977-08-24 | 1980-05-27 | British Industrial Plastics Ltd. | Moulding machine |
US4289722A (en) * | 1980-07-28 | 1981-09-15 | General Motors Corporation | Method of potting magnetic speed pickups |
US4557889A (en) * | 1981-09-26 | 1985-12-10 | Kawasaki Yucoh Co., Ltd. | Method and apparatus for producing sheet molding compound parts by compression |
US4855097A (en) * | 1983-04-25 | 1989-08-08 | The Budd Company | Compression molding a charge using vacuum |
JPS60222216A (ja) * | 1984-04-18 | 1985-11-06 | Kawasaki Yukou Kk | 可塑性材料のプレス成形の平衡支持装置 |
JPS61143240A (ja) * | 1984-12-17 | 1986-06-30 | Inoue Mtp Co Ltd | プラスチツクモ−ルに取付具を固着する方法 |
US4759280A (en) * | 1986-12-29 | 1988-07-26 | John T. Hepburn, Limited | Hydraulic press with adjustable platen clearance |
DE3843593A1 (de) | 1987-12-26 | 1989-07-27 | Kobe Steel Ltd | Werkzeugausrichtverfahren und -vorrichtung fuer eine formteilpresse |
EP0331055B1 (en) * | 1988-02-29 | 1994-01-12 | Matsushita Electric Industrial Co., Ltd. | Methods for producing a resinbonded magnet |
JP2780422B2 (ja) * | 1990-03-07 | 1998-07-30 | 松下電器産業株式会社 | 樹脂磁石構造体の製造方法 |
US5156782A (en) * | 1991-10-02 | 1992-10-20 | John T. Hepburn, Limited | Maintaining press platens in parallel relationship |
US5288447A (en) * | 1993-02-22 | 1994-02-22 | General Electric Company | Method of making permanent magnet rotors |
US5470615A (en) * | 1994-03-11 | 1995-11-28 | Axis Usa, Inc. | Bonding and coating methods and apparatus for th coils of dynamo-electric machine parts |
GB2345302B (en) * | 1996-09-12 | 2001-01-24 | Prince Corp | Panel member |
JP3704010B2 (ja) * | 1999-12-07 | 2005-10-05 | 本田技研工業株式会社 | 永久磁石式モータ及び永久磁石固定方法 |
JP2001352747A (ja) | 2000-06-09 | 2001-12-21 | Aida Eng Ltd | リニアモータおよびこれを駆動源とするプレス成形装置 |
JP3696071B2 (ja) * | 2000-09-21 | 2005-09-14 | 株式会社ミツバ | 固定金型及び熱硬化性樹脂のランナレス成形方法 |
JP2002272033A (ja) | 2001-03-13 | 2002-09-20 | Nissan Motor Co Ltd | 永久磁石式同期モータのロータとその製造方法 |
JP3933040B2 (ja) * | 2002-11-27 | 2007-06-20 | 松下電器産業株式会社 | 希土類ボンド磁石の製造方法とそれを有する永久磁石型モータ |
JP2005185081A (ja) | 2003-03-05 | 2005-07-07 | Nissan Motor Co Ltd | 回転機用回転子鋼板、回転機用回転子、回転機、およびこれを搭載した車両、ならびに回転機用回転子鋼板の製造装置および製造方法 |
JP3786946B1 (ja) | 2005-01-24 | 2006-06-21 | 株式会社三井ハイテック | 永久磁石の樹脂封止方法 |
JP2006311782A (ja) | 2005-03-30 | 2006-11-09 | Toyota Motor Corp | ロータおよびその製造方法 |
JP4726602B2 (ja) | 2005-10-17 | 2011-07-20 | 株式会社三井ハイテック | 積層鉄心及びその製造方法 |
WO2007080661A1 (en) * | 2006-01-11 | 2007-07-19 | Mitsui High-Tec, Inc. | Method of resin sealing permanent magnets in laminated rotor core |
JP4850528B2 (ja) * | 2006-02-08 | 2012-01-11 | トヨタ自動車株式会社 | ロータの製造方法 |
JP4853771B2 (ja) | 2006-03-01 | 2012-01-11 | 日立金属株式会社 | ヨーク一体型ボンド磁石およびそれを用いたモータ用磁石回転子 |
JP2009100634A (ja) | 2007-10-19 | 2009-05-07 | Toyota Motor Corp | 埋込磁石型モータのロータ |
JP2010213536A (ja) * | 2009-03-12 | 2010-09-24 | Asmo Co Ltd | 回転電機ヨークの製造方法及び回転電機ヨーク |
DE102009028180A1 (de) * | 2009-08-03 | 2011-02-10 | Henkel Ag & Co. Kgaa | Verfahren zum Befestigen eines Magneten auf oder in einem Rotor oder Stator |
KR101407837B1 (ko) | 2010-04-05 | 2014-06-16 | 아이치 세이코우 가부시키가이샤 | 이방성 본드 자석의 제조 방법 및 그 제조 장치 |
JP5457933B2 (ja) * | 2010-04-28 | 2014-04-02 | Wpcコーポレーション株式会社 | 押出成形用複合ペレットの製造方法,及び前記方法で製造された押出成形用の複合ペレット |
CN201839160U (zh) * | 2010-09-30 | 2011-05-18 | 江苏新誉重工科技有限公司 | 外转子永磁电机永磁体的密封装置 |
KR101220381B1 (ko) | 2010-12-01 | 2013-01-09 | 현대자동차주식회사 | 매입형 영구자석모터 및 이를 제작하는 방법 |
JP5617671B2 (ja) * | 2011-02-08 | 2014-11-05 | アイシン・エィ・ダブリュ株式会社 | 電動機用ロータの製造方法 |
JP5681027B2 (ja) * | 2011-04-12 | 2015-03-04 | 株式会社三井ハイテック | 積層鉄心の製造方法 |
JP5951194B2 (ja) | 2011-06-23 | 2016-07-13 | 株式会社三井ハイテック | 積層鉄心の製造方法 |
JP6009745B2 (ja) * | 2011-08-24 | 2016-10-19 | ミネベア株式会社 | 希土類樹脂磁石の製造方法 |
JP5490848B2 (ja) | 2011-10-13 | 2014-05-14 | 株式会社三井ハイテック | 永久磁石の樹脂封止装置 |
DE102011119512A1 (de) | 2011-11-26 | 2013-05-29 | Volkswagen Aktiengesellschaft | Verfahren zur Herstellung eines Rotors für eine permanentmagneterregte elektrische Maschine, permanentmagneterregte elektrische Maschine und Verwendung thermisch expandierbarer Mikrosphären |
KR101870489B1 (ko) | 2011-11-29 | 2018-07-19 | 스미또모 베이크라이트 가부시키가이샤 | 고정용 수지 조성물, 로터, 자동차 및 로터의 제조 방법 |
JP2013123316A (ja) * | 2011-12-12 | 2013-06-20 | Nissan Motor Co Ltd | ロータコアおよびその製造方法 |
JP5855515B2 (ja) | 2012-04-03 | 2016-02-09 | 株式会社三井ハイテック | 回転子積層鉄心の製造方法 |
JP6018795B2 (ja) * | 2012-05-15 | 2016-11-02 | 株式会社三井ハイテック | 積層鉄心の製造方法 |
JP2014007926A (ja) * | 2012-06-27 | 2014-01-16 | Toyota Boshoku Corp | ロータコアの製造方法 |
JP5956277B2 (ja) * | 2012-08-07 | 2016-07-27 | 山洋電気株式会社 | 永久磁石式モータ、および永久磁石式モータの製造方法 |
JP6037270B2 (ja) | 2012-10-09 | 2016-12-07 | アピックヤマダ株式会社 | モータコアの樹脂モールド方法 |
JP5984092B2 (ja) | 2012-10-25 | 2016-09-06 | アピックヤマダ株式会社 | モールド金型及びモータコアの樹脂モールド方法 |
JP6355886B2 (ja) * | 2012-11-02 | 2018-07-11 | 株式会社三井ハイテック | 積層鉄心の樹脂封止方法 |
JP2014093917A (ja) * | 2012-11-06 | 2014-05-19 | Toyota Motor Corp | 永久磁石回収方法および永久磁石回収装置 |
JP6088801B2 (ja) | 2012-11-09 | 2017-03-01 | 株式会社三井ハイテック | 積層鉄心の製造方法 |
JP6449530B2 (ja) | 2013-01-15 | 2019-01-09 | 株式会社三井ハイテック | 回転子積層鉄心の製造方法 |
JP2015146674A (ja) * | 2014-02-03 | 2015-08-13 | パナソニックIpマネジメント株式会社 | 電動機の回転子の製造方法、電動機の回転子、電動機、電気機器 |
JP5720834B2 (ja) | 2014-05-12 | 2015-05-20 | アイシン・エィ・ダブリュ株式会社 | 電動機用ロータの製造方法 |
JP6322519B2 (ja) * | 2014-08-19 | 2018-05-09 | 株式会社三井ハイテック | モータコアの樹脂封止方法及びこれに用いる装置 |
WO2016042720A1 (ja) * | 2014-09-16 | 2016-03-24 | パナソニックIpマネジメント株式会社 | 電動機 |
JP5939295B2 (ja) | 2014-11-25 | 2016-06-22 | アイシン・エィ・ダブリュ株式会社 | 樹脂充填装置 |
EP3444927B1 (en) * | 2016-04-13 | 2024-04-10 | Kuroda Precision Industries Ltd. | Method of manufacturing a laminated iron core comprising embedded magnets |
CN113783378A (zh) * | 2017-01-09 | 2021-12-10 | 黑田精工株式会社 | 层叠铁芯的制造设备和制造方法 |
-
2016
- 2016-04-13 EP EP16898547.1A patent/EP3444927B1/en active Active
- 2016-04-13 US US16/074,136 patent/US11552540B2/en active Active
- 2016-04-13 JP JP2017527938A patent/JP6240365B1/ja active Active
- 2016-04-13 MX MX2018012543A patent/MX2018012543A/es unknown
- 2016-04-13 CN CN201680083247.1A patent/CN108702068B/zh active Active
- 2016-04-13 WO PCT/JP2016/002009 patent/WO2017179086A1/ja active Application Filing
- 2016-09-09 JP JP2018511545A patent/JP6726736B2/ja active Active
- 2016-09-09 CN CN201680084507.7A patent/CN109075670B/zh active Active
- 2016-09-09 EP EP16898548.9A patent/EP3444928B1/en active Active
- 2016-09-09 US US16/092,257 patent/US11223261B2/en active Active
- 2016-09-09 MX MX2018012401A patent/MX2018012401A/es unknown
- 2016-09-09 WO PCT/JP2016/004123 patent/WO2017179087A1/ja active Application Filing
- 2016-10-31 WO PCT/JP2016/082291 patent/WO2017179231A1/ja active Application Filing
- 2016-10-31 JP JP2018511876A patent/JP6800958B2/ja active Active
- 2016-10-31 CN CN201680084311.8A patent/CN109075669B/zh active Active
-
2017
- 2017-03-24 MX MX2018012395A patent/MX2018012395A/es unknown
- 2017-03-24 EP EP17782216.0A patent/EP3444929B1/en active Active
- 2017-03-24 US US16/073,845 patent/US11038408B2/en active Active
- 2017-03-24 CN CN201780013784.3A patent/CN108702069B/zh active Active
- 2017-03-24 JP JP2017528861A patent/JP6345883B2/ja active Active
- 2017-04-10 CN CN201780023393.XA patent/CN109075671B/zh active Active
- 2017-04-10 JP JP2018512012A patent/JP6871239B2/ja active Active
-
2018
- 2018-04-13 JP JP2018077734A patent/JP2018130026A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006211748A (ja) * | 2005-01-25 | 2006-08-10 | Mitsui High Tec Inc | 回転子積層鉄心の製造装置及び製造方法 |
JP2009171785A (ja) * | 2008-01-18 | 2009-07-30 | Toyota Motor Corp | 回転電機 |
JP2012010595A (ja) * | 2009-09-14 | 2012-01-12 | Mitsui High Tec Inc | 永久磁石の樹脂封止方法 |
JP2015089169A (ja) * | 2013-10-28 | 2015-05-07 | 株式会社ジェイテクト | ロータの製造方法及びロータの製造装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3444928A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11588384B2 (en) | 2018-11-05 | 2023-02-21 | Kuroda Precision Industries Ltd. | Device and method for manufacturing magnet embedded core |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2017179087A1 (ja) | 磁石埋込み型コアの樹脂封止装置及び樹脂封止方法 | |
JP7202391B2 (ja) | ロータコア保持治具のためのセッティング装置 | |
WO2017179398A1 (ja) | 磁石埋込み型コアの製造装置及び製造方法 | |
US9819251B2 (en) | Resin sealing method of motor core | |
JP4688505B2 (ja) | 回転子積層鉄心の製造装置及び製造方法 | |
WO2020095349A1 (ja) | 磁石埋込み型コアの製造装置及び製造方法 | |
EP3603926B1 (en) | Method and apparatus for injection moulding an iron core product | |
JP5996934B2 (ja) | 回転子積層鉄心の樹脂封止方法及び回転子積層鉄心の製造装置 | |
KR102664501B1 (ko) | 적층코어의 제조방법 | |
KR20230154850A (ko) | 전기 모터의 로터 코어를 몰딩하기 위한 로터 코어 몰딩 방법 및 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2018511545 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2016898548 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2016898548 Country of ref document: EP Effective date: 20181113 |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16898548 Country of ref document: EP Kind code of ref document: A1 |