CN109121428A - electromagnetic clutch and its manufacturing method - Google Patents
electromagnetic clutch and its manufacturing method Download PDFInfo
- Publication number
- CN109121428A CN109121428A CN201780001873.6A CN201780001873A CN109121428A CN 109121428 A CN109121428 A CN 109121428A CN 201780001873 A CN201780001873 A CN 201780001873A CN 109121428 A CN109121428 A CN 109121428A
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- Prior art keywords
- winding wire
- bobbin
- barrel
- winding
- wound
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Classifications
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
Abstract
A kind of electromagnetic clutch and its manufacturing method are provided, there is the structure for making winding wire be wound in bobbin with close and neat state.Electromagnetic clutch 10 of the invention have rotor 11, the top for being disposed in rotor 11 armature 12, be built in the magnetic generating unit 20 of armature 12.Also, magnetic generating unit 20 has bobbin 21, the winding wire around bobbin 21, the ring 22 for storing bobbin 21.Also, bobbin 21 have barrel 30, the first flange part 31, the second flange part 32, the notch 33 for being formed in the first flange part 31, make barrel 30 outer surface a side side end to not exclusively cricoid convex position 34 outstanding on the outside of radial direction.
Description
Technical field
The present invention relates to electromagnetic clutch and its manufacturing methods, fitly wind winding more particularly, to relative to bobbin
The electromagnetic clutch and its manufacturing method of line.
Background technique
Electromagnetic clutch is disposed between the power sources such as compressor of air conditioner and engine, is by compressor and power source machinery
Ground and the mechanical mechanism intermittently connected.This electromagnetic clutch mainly has the rotor for being built-in with coil, the side in rotor
The armature of configuration, the hub for connecting drive shaft with armature plate.
When transmitting power to compressor from power source, by being supplied to the coil being made of the winding wire for being wound in bobbin
Armature is adsorbed on the side of rotor by magnetic force that is electric and generating.Armature and rotor drive via hub as a result, links, and is made by engine
The compressor of air-conditioning is run.
On the other hand, if stopped to coil power supply, above-mentioned magnetic force disappears, and armature leaves from rotor side surface, armature with turn
The driving separation of son.The compressor of air-conditioning stops as a result,.
In the coil for being built in electromagnetic clutch, in order to realize miniaturization need closely to wind relative to bobbin around
Group line.Such as invention for coiling group to be wound in bobbin well is described in patent document 1.To for patent text
The structure of winding wire documented by offering 1 is illustrated, firstly, forming lines portion in the end of the barrel of bobbin, further
The helicla flute for guiding plain line is formed on the surface of barrel.It is invented according to documented by patent document 1, lines portion is with external
State supports the plain line of the second layer, therefore can steadily be wound, can prevent dislocation, it is at random.
Existing technical literature
Patent document
Patent document 1:(Japan) special open 2013-16695 bulletin
Summary of the invention
The technical problems to be solved by the invention
However, in the invention documented by patent document 1, for provide winding wire position above-mentioned article of line portion only with
Two layers of plain line contact.Therefore, line portion does not provide the position of the winding wire of first layer, first layer winding wire position with
In the case that designed position is staggered, the position of the winding wire after the second layer in the outside of the winding wire of first layer
Also it can be staggered, may generate at random.
Also, because there is tolerance to a certain degree in the diameter of winding wire, linear thin part constitute first layer around
In the case where group line, the winding wire of the second layer is fallen between winding wire, between winding wire and bobbin side wall, there is generation
It is at random and the problem of cannot closely wind winding wire.
In addition, using copper wire as winding wire in the common coil for electromagnetic clutch.Herein, with clutch
The lightweight of device and it is cost effective for the purpose of, if using aluminum steel as winding wire, cannot apply strong when winding aluminum steel
Tensile stress, therefore the above subject still has.
Present invention has been made in view of the above circumstances, and having its purpose is to provide one kind makes winding wire with close and whole
Neat state is wound in the electromagnetic clutch and its manufacturing method of the structure of bobbin.
For solving the technical solution of technical problem
Electromagnetic clutch of the invention is characterized in that having: rotor；Armature is configured in the axial side of the rotor
Side, the side of the rotor is adsorbed on by magnetic field；Magnetic generating unit, being generated by excitation is adsorbed in the armature
The magnetic field of the rotor；The magnetic generating unit has bobbin and is wound in the winding wire of the bobbin, it is described around
Spool has the barrel of cylindrical shape or substantially cylindrical shape, from the axial end portion side of a side side of the barrel to radius
The first flange part in wall-like extension, the axial end portion side from another party side of the barrel are to outside radial direction on the outside of direction
Side in wall-like extend the second flange part, be formed in first flange part notch, make the barrel outer surface institute
The end of a side side is stated to not exclusively cricoid convex position outstanding on the outside of radial direction, the convex position along it is described around
The coiling direction of group line has positive side end and reverse side end, and the forward direction side end separates from the notch and configured
Positive side.
Also, in electromagnetic clutch of the invention, the axial width at the convex position is the straight of the winding wire
The half of diameter or substantially half, the winding wire of the first layer wound, near the other side configuration the winding
Line is abutted with second flange part.
Also, in electromagnetic clutch of the invention, the bobbin the barrel outer peripheral surface along described
Coiling direction is formed with the storage protrusion abutted with the winding wire of first layer, and the storage protrusion is outside the barrel
The inclined inclination angle of circumferential surface is 45 degree or more 60 degree or less.
The present invention is with the process electromagnetic clutch for constituting magnetic generating unit and winding winding wire on bobbin
Manufacturing method, which is characterized in that the bobbin has the barrel of cylindrical shape or substantially cylindrical shape, from the cylinder
The first flange part for extending on the outside of the lateral radial direction of the axial end portion of the one side side in portion in wall-like, from the another of the barrel
It is in the second flange part of wall-like extension on the outside of the lateral radial direction of the axial end portion of square side, is formed in cutting for first flange part
Mouthful, make the barrel outer surface the party side end to not exclusively cricoid convex outstanding on the outside of radial direction
Position, the convex position have positive side end and reverse side end along the coiling direction of the winding wire, and described
The positive side end at convex position is left from the notch and is configured in positive side, described the winding wire to be wound in
When bobbin, wind the winding wire for being involved in the bobbin from the notch while abutting with the convex position
In the barrel of the bobbin.
In addition, in the manufacturing method of electromagnetic clutch of the invention, when winding the winding wire in the barrel,
The winding wire is supplied to the bobbin of rotation via ozzle, to start to be wound in the barrel with the winding wire
Winding beginning portion the orthogonal direction of tangential direction and from the direction that the bobbin leaves be first direction, with it is described
In the case that the opposite direction of first direction is second direction, the ozzle starts the bobbin of winding than the winding wire
The barrel the winding beginning portion configure in the second direction side.
In addition, the ozzle starts winding than the winding wire in the manufacturing method of electromagnetic clutch of the invention
The barrel of the bobbin is configured in the second direction side, and than the center configuration of the barrel described the
One direction side.
The effect of invention
Electromagnetic clutch of the invention is characterized in that having: rotor；Armature is configured in the axial side of the rotor
Side, the side of the rotor is adsorbed on by magnetic field；Magnetic generating unit, being generated by excitation is adsorbed in the armature
The magnetic field of the rotor；The magnetic generating unit has bobbin and is wound in the winding wire of the bobbin, it is described around
Spool has the barrel of cylindrical shape or substantially cylindrical shape, from the axial end portion side of a side side of the barrel to radius
The first flange part in wall-like extension, the axial end portion side from another party side of the barrel are to outside radial direction on the outside of direction
Side in wall-like extend the second flange part, be formed in first flange part notch, make the barrel outer surface institute
The end of a side side is stated to not exclusively cricoid convex position outstanding on the outside of radial direction, the convex position along it is described around
The coiling direction of group line has positive side end and reverse side end, and the forward direction side end separates from the notch and configured
Positive side.Therefore, in the present invention, by fitly winding winding wire on bobbin, the circle number of winding wire can be ensured
It more than certain, and realizes the miniaturization of bobbin, but winds the initial stage of winding wire on bobbin, it is convex by utilizing
The position for the winding wire that the inside of bobbin is involved in from the notch of the first flange part is efficiently configured at predetermined portion by shape position,
The winding wire of first layer can be accurately wound in solenoid.In addition, by making the positive side end at convex position from notch
It separates, winding wire can be mitigated and start the degree that the part of winding is bent.Therefore, by as being engineered accurately
Winding wire after the upper layer winding second layer of the first layer winding wire of winding, can accurately wind institute as being engineered
There is the winding wire of layer.
In addition, the axial width at the convex position is the straight of the winding wire in electromagnetic clutch of the invention
The half of diameter or substantially half, the winding wire of the first layer wound, near the other side configuration the winding
Line is abutted with second flange part.Therefore, can easily by the winding wire of the second layer wound on first layer winding wire that
Between this, the winding wire after the second layer is accurately wound.
Also, in electromagnetic clutch of the invention, the bobbin the barrel outer peripheral surface along described
Coiling direction is formed with the storage protrusion abutted with the winding wire of first layer, and the storage protrusion is outside the barrel
The inclined inclination angle of circumferential surface is 45 degree or more 60 degree or less.Therefore, storage protrusion is supported by the surface of the winding wire with first layer
It connects, and can be by the winding wire of first layer wound on predetermined portion.Also, 45 degree of the inclination angle by making to store protrusion with
On, the pressure acted on when the winding wire of the winding second layer can be born by storage protrusion, can prevent the winding wire of the second layer
It is detached from from specified position.Also, by make store protrusion 60 degree of inclination angle hereinafter, pass through injection molding to bobbin into
When row molding, it can ensure the release property of molding die and bobbin well.
The present invention is with the process electromagnetic clutch for constituting magnetic generating unit and winding winding wire on bobbin
Manufacturing method, which is characterized in that the bobbin has the barrel of cylindrical shape or substantially cylindrical shape, from the cylinder
The first flange part for extending on the outside of the lateral radial direction of the axial end portion of the one side side in portion in wall-like, from the another of the barrel
It is in the second flange part of wall-like extension on the outside of the lateral radial direction of the axial end portion of square side, is formed in cutting for first flange part
Mouthful, make the barrel outer surface the party side end to not exclusively cricoid convex outstanding on the outside of radial direction
Position, the convex position have positive side end and reverse side end along the coiling direction of the winding wire, and described
The positive side end at convex position is left from the notch and is configured in positive side, described the winding wire to be wound in
When bobbin, wind the winding wire for being involved in the bobbin from the notch while abutting with the convex position
In the barrel of the bobbin.Therefore, by the way that using convex position bobbin will be involved in from the notch of the first flange part
The position of winding wire of inside be efficiently configured at predetermined portion, the winding wire of first layer can be accurately wound in helical
Pipe.Therefore, by the upper layer of the first layer winding wire accurately wound as being engineered wind the second layer after around
Group line, can accurately wind all layers of winding wire as being engineered.
In addition, in the manufacturing method of electromagnetic clutch of the invention, when winding the winding wire in the barrel,
The winding wire is supplied to the bobbin of rotation via ozzle, to start to be wound in the barrel with the winding wire
Winding beginning portion the orthogonal direction of tangential direction and from the direction that the bobbin leaves be first direction, with it is described
In the case that the opposite direction of first direction is second direction, the ozzle starts the bobbin of winding than the winding wire
The barrel the winding beginning portion configure in the second direction side.Therefore, when releasing winding wire from ozzle
Straight winding wire can be smoothed out with the fingers by ozzle, it can be by being applied to the pressing force of winding wire when this smoothes out with the fingers straight to bobbin barrel
Predetermined portion supply winding wire.
In addition, the ozzle starts winding than the winding wire in the manufacturing method of electromagnetic clutch of the invention
The barrel of the bobbin is configured in the second direction side, and than the center configuration of the barrel described the
One direction side.Therefore, the degree for making ozzle smooth out with the fingers straight winding wire is appropriate, is able to suppress winding wire since this smoothes out with the fingers straight and excessive deformation,
It prevents from causing the proper alignment of winding wire at random by the deformation.
Detailed description of the invention
Fig. 1 is the sectional view for indicating the electromagnetic clutch of embodiment of the present invention.
Fig. 2 is the exploded perspective view for indicating to constitute the magnetic generating unit of the electromagnetic clutch of embodiment of the present invention.
Fig. 3 is the figure for indicating the electromagnetic clutch of embodiment of the present invention, and (A) is the perspective view for indicating bobbin entirety,
It (B) is to amplify the amplification stereogram for indicating its main portions.
Fig. 4 is the figure for indicating the electromagnetic clutch of embodiment of the present invention, and (A) is to be wound with the bobbin of winding wire to cut open
Face figure, (B) are to indicate that winding wire is wound in the schematic diagram of the structure of bobbin.
Fig. 5 is the figure for indicating the electromagnetic clutch of embodiment of the present invention, and (A) is to indicate to be wound with winding on bobbin
The enlarged drawing of the structure of line, (B) are the enlarged drawings for indicating comparative example.
Fig. 6 is the figure for indicating the electromagnetic clutch of embodiment of the present invention, is to indicate to be wound with winding wire on bobbin
Structure enlarged drawing.
Fig. 7 is the figure for indicating the manufacturing method of electromagnetic clutch of embodiment of the present invention, and (A) is indicated on bobbin
The side view of the process of winding wire is wound, (B) is the figure of shape for indicating ozzle etc..
Specific embodiment
Hereinafter, being illustrated referring to electromagnetic clutch 10 and its manufacturing method of the attached drawing to this form.In the following description,
Same appended drawing reference is marked to same position, and the repetitive description thereof will be omitted.All directions up and down are used in the following description,
But left and right be it is opposed with coiling direction in the case where left and right, top be bobbin 21 radial direction on the outside of, lower section is coiling
On the inside of the radial direction of pipe 21.
Cross-sectional view referring to Fig.1 is illustrated the outline structure of the electromagnetic clutch 10 of this form.Electromagnetic clutch 10
The armature 12 that is mainly arranged with rotor 11, in the top of rotor 11 is built in the magnetic generating unit 20 (coil) of armature 12.
Electromagnetic clutch 10 be for example mounted on in vehicle car room carry out cooling/heating air-conditioning (not shown) compressor with
Between the power sources such as engine (not shown), there is the function to compressor and power source drive and being intermittently attached.
Also, electromagnetic clutch 10 is in the power supply phase (not shown) of winding wire 38 from control device (not shown) to magnetic generating unit 20
Between, compressor with power source drive is connect, thus operation of air conditioner.On the other hand, if from control device not shown
Power supply stops, then compressor is driven with power source and separated, and thus air-conditioning stops.
The shape substantially annular in shape of rotor 11 transmits dynamic band crop rotation from power source with through not shown band herein
It is integrated object and constitutes.Magnetic generating unit 20 is built-in in rotor 11.
Armature 12 and the upper side face of rotor 11 are arranged opposite, are made of circular multiple armature plates.Not to built-in
During the magnetic generating unit 20 of rotor 11 is powered, armature 12 is left from the top side of rotor 11 without rotating.On the other hand,
It is powering during excitation to the magnetic generating unit 20 of rotor 11, armature 12 is attracted to the upper side of rotor 11 due to magnetic field
Face rotates together with rotor 11.
Hub 18 is configured near the central portion of armature 12, hub 18 is through not shown drive shaft and with configuration in rotor 11
Lower side driven compressor (not shown) connection.
As described later, in the electromagnetic clutch of this form 10, winding wire 38 is fitly arranged by magnetic generating unit 20,
Therefore magnetic generating unit 20 can generate big magnetic force with small volume, armature 12 can be adsorbed in rotor 11.Therefore, can
Run electromagnetic clutch 10 efficiently, and then electric energy needed for the operation of electromagnetic clutch 10 can be cut down.
Referring to Fig. 2, the structure of above-mentioned magnetic generating unit 20 is illustrated.Magnetic generating unit 20 has bobbin 21, volume
Be wound on around bobbin 21 and herein winding wire 38 (not shown), store bobbin 21 ring 22, bobbin 21 will be wound in
Winding wire 38 and external connection connector 23.It should be noted that the lower surface of ring 22 is by (not shown) by steel herein
The cover covering that plate is constituted.
Bobbin 21 is made of the resin material of injection molding, is for winding wire 38 (not shown) to be wound as herein
Provide the component of shape.Also, it is formed in the outer lateral side of bobbin 21 in order to which fuse (not shown) etc. is fixed
There is multiple protruding portion.
Ring 22 is constituted by being shaped generally as cricoid steel plate, so that there is the inner space that can store bobbin 21,
Upper surface has the opening for being inserted into bobbin 21.
Connector 23 is fixed on the lower surface of bobbin 21, and is connected with the both ends of winding wire 38 (not shown).Even
Connect the lower end of device 23 via the lower surface of ring 22 formed (not shown) Open Side Down that side exports.
In the inner space for the ring 22 for being accommodated with bobbin 21 filled with resin (not shown) herein.In this way, bobbin
21, the module of 23 being integrally formed of winding wire 38 (not shown), ring 22 and connector, is built in this state shown in Fig. 1
Rotor 11.
Referring to Fig. 3, the structure of bobbin 21 is illustrated.Fig. 3 (A) is the perspective view for indicating that bobbin 21 is whole, Fig. 3
It (B) is that amplification indicates that the amplification of bobbin 21 indicates the perspective view of main portions.Also, in Fig. 3 (B), it is depicted with arrows volume
It is wound with the direction i.e. coiling direction of winding wire 38.
Referring to Fig. 3 (A), bobbin 21 is with the cylindric or substantially cylindric cylinder in the up-down direction with central axis
Extend on the outside of body portion 30, the lateral radial direction of the axial end portion from a side side (being herein upper side) for barrel 30 in wall-like
The first flange part 31, on the outside of the lateral radial direction of the axial end portion from another party side (being herein lower side) of barrel 30
In wall-like extend the second flange part 32, be formed in the first flange part 31 notch 33, make barrel 30 outer surface a side
The end of side (being herein upper side) is to not exclusively cricoid convex position 34 outstanding on the outside of radial direction.Constitute bobbin
21 barrel 30, the first flange part 31 and the second flange part 32 are by using the integrally formed conjunction of injection molding of molding die
It is constituted at resin.In the inner side surface and the second flange part 32 of outer lateral side, the first flange part 31 by barrel 30
Side side surrounds in inner space and is wound with winding wire 38 (not shown) herein.
Also, it is formed and keeping the outer lateral side of barrel 30 circumferentially prominent to radial direction exterior portion
Store protrusion 37.Storage protrusion 37 contacts with the winding wire 38 of first row on the inside of radial direction and is used for first row fitly
Winding wire 38 be wound as regulation shape.It is illustrated later with reference to shape etc. of the Fig. 6 to storage protrusion 37.
The specific structure of bobbin 21 is illustrated referring to Fig. 3 (B).Firstly, by the way that 31 part of the first flange part is cut
Form notch 33 down.Notch 33 is from the radial direction outboard end of the first flange part 31 to radial direction medial end landform
At.The width circumferentially of notch 33, which becomes, external length is exported to from bobbin 21 by one end of winding wire 38
Degree further becomes the length that the other end of winding wire 38 can be externally introduced to bobbin 21.
In the position across notch 33, by being formed with the outer lateral side of the first flange part 31 and outside protrudes in the axial direction
Side protruding portion 24.In side, protruding portion 24 is chimeric connector 23 shown in FIG. 1, is thus connected device 23 and is fixed on bobbin 21
Specified position.
Convex position 34 is formed in the outer lateral side of barrel 30 and the continuous position of inner side surface of the first flange part 31.
As described later, convex position 34 has rectangle or substantially rectangular section, is formed as incomplete ring-type.Convex position 34 has phase
The i.e. positive side end 35 in positive end is configured at for coiling direction and is configured at reverse end i.e. relative to coiling direction
Reverse side end 36.In the following description, winding wire direction forward direction is referred to as forward direction, winding wire direction is inversely referred to as inverse
To.The axial width along bobbin 21 at convex position 34 is, for example, the half or substantially one of wound winding wire 38
Half.
In the present embodiment, the positive side end 35 at convex position 34 is configured than the positive end of notch 33 to reverse
The separated position in side.In such manner, it is possible to abut winding wire swimmingly with convex position 34.Specifically, it is assumed that in circumferencial direction
On make notch 33 positive end and 34 unanimous circumstances of convex position under, winding winding wire process in, led from notch 33
The winding wire entered to the inside of bobbin 21 is substantially bent at the position for being formed with convex position 34, the bending may interfere around
Group line proper alignment.Then, in the present embodiment, make the positive side end 35 at convex position 34 than the positive end of notch 33
To positive side separate configuration.In this way, importeding into the winding wire 38 of the inside of bobbin 21 to just from notch 33 as shown in Fig. 4 (B)
It is abutted to after being slowly bent with the side at convex position 34, it being capable of proper alignment as described later.
The length L5 that the positive side end 35 at convex position 34 and the positive side end 35 of notch 33 separate is such as 0.5mm
The above 2.0mm or less.
By making L5 0.5mm or more, can reduce from notch 33 be involved in bobbin 21 inside and with convex position 34
Side abut part winding wire 38 bending degree, swimmingly can fitly be wound.Also, by making L5
2.0mm or less, it can be ensured that the length at convex position 34 is long, by connecing the inner side surface at convex position 34 with winding wire 38
Touching, can enhance the effect of the position of regulation winding wire 38.
Also, in the present embodiment, the reverse side end 36 at convex position 34 is inverse with notch 33 in a circumferential direction
End to side is co-located.In this way, can ensure to be formed with convex position 34 on the circumferencial direction of barrel 30
Position is long, can enhance the effect for arranging winding wire fitly by forming convex position 34.
As described above, the lateral surface in barrel 30 is formed with storage protrusion 37 along coiling direction.It is opposite to store protrusion 37
It is extended parallel in coiling direction.Also, non-formation portion 39 is defined in the outer surface of the barrel of the peripheral portion of notch 33 30,
The non-formation portion 39 is the round slip surface for not forming storage protrusion 37.Due to not forming storage protrusion 37 in non-formation portion 39, inciting somebody to action
When winding wire is wound in bobbin 21, in non-formation portion 39, make winding wire 38 from the reverse end of a certain storage protrusion 37 to
The positive end winding of the adjacent another storage protrusion 37 in the storage protrusion 37.
Referring to Fig. 4, the construction for being wound with winding wire 38 in bobbin 21 is illustrated.Fig. 4 (A) is indicated in bobbin
21 are wound with the sectional view of the construction of winding wire 38, and Fig. 4 (B) is the knot for being wound with winding wire 38 seen on the outside of radial direction
The schematic diagram of structure.
Winding wire 38 is fitly wound relative to bobbin 21 in the present embodiment referring to Fig. 4 (A).In detail,
It is commonly referred to as in the winding line method of the winding wire 38 of multilaminate coiled identical quantity with number winding wire, but the winding wire side of this form
Method is adjusted the winding line position of first layer based on same several winding wires.The first layer of winding wire 38 from right end to
Left end winding, from left end, end is wound the second layer to the right on the contrary, and odd-level is wound to the left in layer later,
Even level is wound to the right.
As described above, being continuously partially formed with the section shape with rectangle in barrel 30 and the first flange part 31
Convex position 34.The left side side at convex position 34 and the right end of the winding wire 38A initially wound in first layer rightmost connect
Touching.As described above, the width at convex position 34 is 38 diameter half of winding wire or substantially half.Also, by making convex position
34 left side is contacted with the right end of the winding wire 38A initially wound in first layer rightmost, will be rolled up in first layer leftmost
Around winding wire 38C configure in specified position, support the left end of winding wire 38C and the inner side surface of the second flange part 32
It connects.As a result, as described later, have the advantages that the winding wire 38 of the second layer can be configured in predetermined portion.Also, convex position
34 do not contact with the winding wire 38 wound in the second layer.
It is upper between the winding wire 38C and winding wire 38D for the leftmost for being configured at first layer referring concurrently to Fig. 4 (B)
Side, is placed with the winding wire 38D initially wound in the second layer (winding wire 38D is represented by dotted lines).As described above, in this embodiment party
In formula, by forming convex position 34 in bobbin 21, can accurately provide the winding wire 38B finally wound in first layer,
The position of 38C, therefore can accurately provide the winding wire 38D of the configuration of the top between winding wire 38C and winding wire 38D
Position.Therefore, can be whole wound on specified position by winding wire 38, it can closely wind winding wire 38.
Referring to Fig. 5, the effect of above-mentioned present embodiment is illustrated.Fig. 5 (A) is the winding wire for indicating present embodiment
The sectional view of structure, Fig. 5 (B) are the sectional views for indicating the winding cable architecture of comparative example.
Referring to Fig. 5 (A), as described above, winding wire 38B, 38C of first layer are fitted closely with being close to 32 side of the second flange part
Mode be arranged.Therefore, the initial winding wire 38 of the second layer is winding wire 38D configuration in winding wire 38B and winding wire 38C
Between.Herein, even in general carrying out the bobbin winder device of accurate movement, the mechanical mechanism, movement also can include one
Fixed tolerance, therefore, it is considered that the position that the winding wire 38D of the second layer is wound can more or less deviate in the lateral direction.At this
In form, the winding wire 38D of the second layer is configured in the centre of winding wire 38B and winding wire 38C, therefore in left and right directions
On, the center P11 and winding wire of length that the center P12 of winding wire 38D can be enable to deviate in winding wire 38B
Between the center P12 of 38C.The center P10 distance L2 of the center P11 and winding wire 38C of winding wire 38B with
The diameter of winding wire 38B etc. is for peer-level and fully big.That is, winding wire 38D is allowed to be displaced to shown in dotted line to the left
Position, and it is displaced to position described in chain-dotted line to the right.Therefore, though the position that is wound winding wire 38D more or less
There are offsets, are also able to suppress winding wire 38D and are detached between winding wire 38B and winding wire 38C.
Referring to Fig. 5 (B), comparative example is illustrated.Configuration the left end of first layer winding wire 38C from the second flange
In the case that portion 32 leaves and is wound, the winding wire 38D wound on the left end of the second layer configure in the lateral direction around
Between group line 38C and the second flange part 32.Referring to Fig. 4 (A), do not form convex position 34 in the end of 31 side of the first flange part and
Abut directly in the first flange part 31 continue wind winding wire 38A will become in this way.In this case, it is easy winding wire
The admissible length of 38D offset becomes the short length of the center P12 from the center P10 to winding wire 38D of winding wire 38C
Spend L3.The radius of L3 and winding wire 38C is peer-level.Therefore, it in the case where the comparative example, is wound in winding wire 38D
Positional shift in the case where (such as in the case that winding wire 38D is displaced to position shown in dotted line), winding wire 38D can be from
It falls off between winding wire 38C and the second flange part 32.
Referring to Fig. 6, it is convex that along its circumferencial direction storage is formed in the outer lateral side of the barrel 30 of above-mentioned bobbin 21
Portion 37.Storage protrusion 37 is accordingly formed with each winding wire 38, the section with triangle.Herein, three receipts are shown
It receives protrusion 37, winding wire 38E, 38F of first row is accommodated between these storage protrusions 37.Winding wire 38E, 38F or so two
The section below of side respectively with storage protrusion 37 inclination face contact.Also, it is upper between winding wire 38E and winding wire 38F
Side is wound with the winding wire 38G of secondary series.
The shape protruded outward from the surface of barrel 30 with triangle is presented in storage protrusion 37, storage protrusion 37
The inclined tiltangleθ in the surface of inclined surface from barrel 30 is such as 45 degree or more 60 degree or less.
By making to store 45 degree of tiltangleθ or more of the inclined-plane of protrusion 37, the winding wire 38G of secondary series can be made to stablize
Ground is supported on storage protrusion 37.Specifically, firstly, with the load action of the winding wire 38E of first row in storage protrusion 37
Point be P20, with the load action of the winding wire 38F of secondary series in storage protrusion 37 point be P21 in the case where, can make
P21 ratio P20 is located at the end side of storage protrusion 37.In addition, in regulation using winding wire 38F, 38E, 38G as the delta of end
(delta-shaped region is indicated in the case where domain with chain-dotted line in the accompanying drawings.), P21 ratio P20 configuration can be made in delta-shaped region
Inside, thus, it is possible to by the winding wire 38G of secondary series via winding wire 38F, 38E be steadily supported on storage protrusion 37 it is oblique
On face.
Also, by make store protrusion 37 inclined-plane 60 degree of tiltangleθ hereinafter, to store protrusion 37 around
When spool 21 carries out injection molding, bobbin 21 and the release property of shaping dies can be made good.
Referring to Fig. 7, the manufacturing method of the electromagnetic clutch with structure shown in FIG. 1 is illustrated.Herein, it indicates
Be on bobbin 21 wind winding wire 38 process, Fig. 7 (A) is the side view for indicating winding process, and Fig. 7 (B) is to indicate
The figure of the structure of ozzle 40 used in coiling.
Bobbin 21 is rotated counterclockwise with defined speed on paper in this process referring to Fig. 7 (A), one
While the winding wire 38 released from ozzle 40 to be wound in the barrel 30 of bobbin 21.It is put relative to bobbin 21 on 40 one side of ozzle
Winding wire 38 out are moved along the axial reciprocating of bobbin 21 on one side.Herein, ozzle 40 is past along paper direction is passed perpendicularly through
It is multiple mobile.
At this point, as shown in Figure 3 and Figure 4, from notch 33 import bobbin 21 winding wire 38 first with convex position 34
Left side is wound while contacting.Make the winding wire 38 of first layer just wound on predetermined portion as a result,.
Referring to Fig. 7 (B), the cylindrical shape of ozzle 40, the internal diameter of ozzle 40 is formed as bigger than winding wire 38.
It, can be using the copper wire being made of copper or the aluminum steel being made of aluminium as winding wire 38.Especially using aluminum steel
In the case where as winding wire 38, since aluminium is the material being easily deformed compared with copper, need in winding to acting on winding
The tensile strength of line 38 is suitably adjusted.Winding wire 38 by the metal wire that is made of copper or aluminium, be covered on the metal wire
Around polyester epithelium and slip epithelium formed.Sliding property when in order to ensure winding, makes the friction system on 38 surface of winding wire
Number is 0.45~0.55 or less.
The opposite position of ozzle 40 and bobbin 21 becomes can be by winding wire wound on the predetermined portion of bobbin 21
And it is able to suppress the position of the excessive deformation of winding wire 38.
Referring to Fig. 7 (A), the direction of the position opposite with bobbin 21 for regulation ozzle 40 is illustrated.Firstly,
P30 is in the winding beginning portion for the barrel 30 for starting to be wound in bobbin 21 with winding wire 38.With in P30 and bobbin 21
The direction that is extended of the tangent tangent line of barrel 30 be tangential direction, with orthogonal with tangential direction and leave from bobbin 21
Direction is first direction.Also, using the direction opposite with first direction as second direction.On paper, top is first direction,
Lower section is second direction.
In the present embodiment, when being wound in bobbin 21 from the export winding wire 38 of ozzle 40, make ozzle 40
Position be located at second direction side (being on paper lower side) than the winding beginning portion P30 of bobbin 21.In this way, such as Fig. 7
(B) shown in, the upper end of winding wire 38 is pressed downwards in the inner wall upper end of ozzle 40, and supply winding wire to bobbin 21
38, it can be by winding wire 38 wound on the predetermined portion of barrel 30.
It is further preferred that the position of the ozzle 40 when being wound is located at the than the winding beginning portion P30 of bobbin 21
Two direction sides (being on paper lower side), and it is located at first direction than the center P20 of the barrel of bobbin 21 30
Side (being on paper upper side).In such manner, it is possible to the pressing that the inner wall upper end for suitably controlling ozzle 40 applies winding wire 38
Power prevents the upper end of released winding wire 38 from exceedingly deforming.Especially using the case where aluminum steel is as winding wire 38
Under, since aluminum steel is the material being easily deformed, it is big to occur a possibility that at random due to deformation, by optimize in this way around
The up and down direction position of spool 21, can eliminate such hidden danger.
Also, when winding wire 38 to be wound in the barrel 30 of bobbin 21, make ozzle 40 along barrel 30 on one side
Axial movement on one side to barrel 30 supply winding wire 38.In this form, in the axial direction, ozzle 40 is not relative to winding wire
38 be wound in barrel 30 position it is leading.In this form, in the axial direction, ozzle 40 is later than winding wire 38 and is wound in barrel
30 position and pass through.In this way, being especially able to suppress the drawing for being applied to winding wire 38 in the case where winding wire 38 is aluminum steel
It stretches stress to become over, and can realize the neat winding of winding wire 38 well.
It, will be around as shown in Fig. 2, the bobbin 21 for being wound with winding wire 38 is accommodated in ring 22 after above-mentioned operation
Group line 38 is connect with connector 23, constitutes magnetic generating unit 20 by carrying out resin filling.In addition, referring to Fig.1, by magnetic
Generating unit 20, rotor 11 and armature 12 are assembled each other and manufacture electromagnetic clutch 10.
Embodiments of the present invention are instantiated above, but the present invention is not limited to the above embodiments.
Description of symbols
10 electromagnetic clutch；11 rotors；12 armatures；18 hubs；20 magnetic generating units；21 bobbins；22 rings；23 connectors；
24 side protruding portions；30 barrels；31 first flange parts；32 second flange parts；33 notch；34 convex positions；35 positive sides
Portion；36 reverse side ends；37 storage protrusions；38,38A, 38B, 38C, 38D, 38E, 38F, 38G winding wire；39 non-formation portions；40
Ozzle.
Claims (6)
1. a kind of electromagnetic clutch, which is characterized in that have:
Rotor；
Armature configures in the axial side of the rotor, the side of the rotor is adsorbed on by magnetic field；
Magnetic generating unit generates the magnetic field for making the armature be adsorbed in the rotor by excitation；
The magnetic generating unit has bobbin and is wound in the winding wire of the bobbin,
The bobbin has cylindrical shape or the barrel of substantially cylindrical shape, the axial end from a side side of the barrel
The first flange part for extending on the outside of the lateral radial direction in portion in wall-like, from the axial end portion side of another party side of the barrel to
The second flange part for extending on the outside of radial direction in wall-like, makes the barrel at the notch for being formed in first flange part
The end of the party side of outer surface to not exclusively cricoid convex position outstanding on the outside of radial direction,
The convex position has positive side end and reverse side end, the forward direction side along the coiling direction of the winding wire
End separates from the notch and configures in positive side.
2. electromagnetic clutch according to claim 1, which is characterized in that
The axial width at the convex position is the half or substantially half of the diameter of the winding wire,
It is the winding wire of the first layer wound, convex near the winding wire of another party side configuration and described second
Edge abuts.
3. electromagnetic clutch according to claim 1 or 2, which is characterized in that
The winding with first layer is formed with along the coiling direction in the outer peripheral surface of the barrel of the bobbin
The storage protrusion that line abuts,
The inclined inclination angle of outer peripheral surface of storage protrusion from the barrel is 45 degree or more 60 degree or less.
4. a kind of manufacturing method of electromagnetic clutch has and constitutes magnetic generating unit and winding winding wire on bobbin
The manufacturing method of process, the electromagnetic clutch is characterized in that,
The bobbin has cylindrical shape or the barrel of substantially cylindrical shape, the axial end from a side side of the barrel
The first flange part for extending on the outside of the lateral radial direction in portion in wall-like, from the axial end portion side of another party side of the barrel to
The second flange part for extending on the outside of radial direction in wall-like, makes the barrel at the notch for being formed in first flange part
The end of the party side of outer surface to not exclusively cricoid convex position outstanding on the outside of radial direction,
The convex position has positive side end and reverse side end along the coiling direction of the winding wire, and described convex
The positive side end at shape position is left from the notch and is configured in positive side,
When the winding wire is wound in the bobbin, make the winding wire one that the bobbin is involved in from the notch
Side abuts the barrel for being wound in the bobbin on one side with the convex position.
5. the manufacturing method of electromagnetic clutch according to claim 4, which is characterized in that
When winding the winding wire in the barrel, the winding wire is supplied to the bobbin of rotation via ozzle,
With start with the winding wire the orthogonal direction of the tangential direction of winding beginning portion for being wound in the barrel and
From the direction that the bobbin leaves be first direction, using the direction opposite with the first direction as second direction the case where
Under,
Match the winding beginning portion that the ozzle starts the barrel of the bobbin of winding than the winding wire
It sets in the second direction side.
6. the manufacturing method of electromagnetic clutch according to claim 5, which is characterized in that the ozzle is than the winding wire
The barrel configuration for starting the bobbin of winding is matched in the second direction side, and than the center of the barrel
It sets in the first direction side.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2017/015748 WO2018193558A1 (en) | 2017-04-19 | 2017-04-19 | Electromagnetic clutch and manufacturing method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109121428A true CN109121428A (en) | 2019-01-01 |
| CN109121428B CN109121428B (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780001873.6A Active CN109121428B (en) | 2017-04-19 | 2017-04-19 | Electromagnetic clutch and method of manufacturing the same |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2018193558A1 (en) |
| CN (1) | CN109121428B (en) |
| WO (1) | WO2018193558A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063764B2 (en) * | 1989-01-13 | 1994-01-12 | 日本電装株式会社 | Coil device |
| US5331729A (en) * | 1990-05-23 | 1994-07-26 | Basler Electric Company | Method for winding a toroid coil on a toroidal body |
| CN1192031A (en) * | 1997-02-19 | 1998-09-02 | 东洋电装株式会社 | Ignition coil bank-winding method |
| JP2010087439A (en) * | 2008-10-03 | 2010-04-15 | Hamanako Denso Co Ltd | Spool of coil for electromagnetic solenoid, and coil body for electromagnetic solenoid |
| JP2012015290A (en) * | 2010-06-30 | 2012-01-19 | Tdk Corp | Bobbin coil and coil component |
| JP2012036914A (en) * | 2010-08-03 | 2012-02-23 | Denso Corp | Lock sensor |
| JP2015050364A (en) * | 2013-09-03 | 2015-03-16 | 日特エンジニアリング株式会社 | Coil manufacturing device and coil manufacturing method |
| CN204614662U (en) * | 2015-05-15 | 2015-09-02 | 山东哈大电气有限公司 | Based on the dry-type air-core reactor spooling equipment of tension automatic control |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5347904B2 (en) * | 1973-09-10 | 1978-12-25 |
-
2017
- 2017-04-19 WO PCT/JP2017/015748 patent/WO2018193558A1/en active Application Filing
- 2017-04-19 JP JP2019513145A patent/JPWO2018193558A1/en active Pending
- 2017-04-19 CN CN201780001873.6A patent/CN109121428B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063764B2 (en) * | 1989-01-13 | 1994-01-12 | 日本電装株式会社 | Coil device |
| US5331729A (en) * | 1990-05-23 | 1994-07-26 | Basler Electric Company | Method for winding a toroid coil on a toroidal body |
| CN1192031A (en) * | 1997-02-19 | 1998-09-02 | 东洋电装株式会社 | Ignition coil bank-winding method |
| JP2010087439A (en) * | 2008-10-03 | 2010-04-15 | Hamanako Denso Co Ltd | Spool of coil for electromagnetic solenoid, and coil body for electromagnetic solenoid |
| JP2012015290A (en) * | 2010-06-30 | 2012-01-19 | Tdk Corp | Bobbin coil and coil component |
| JP2012036914A (en) * | 2010-08-03 | 2012-02-23 | Denso Corp | Lock sensor |
| JP2015050364A (en) * | 2013-09-03 | 2015-03-16 | 日特エンジニアリング株式会社 | Coil manufacturing device and coil manufacturing method |
| CN204614662U (en) * | 2015-05-15 | 2015-09-02 | 山东哈大电气有限公司 | Based on the dry-type air-core reactor spooling equipment of tension automatic control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109121428B (en) | 2020-04-24 |
| WO2018193558A1 (en) | 2018-10-25 |
| JPWO2018193558A1 (en) | 2019-11-14 |
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