Description of drawings
Fig. 1 is used to explain the skeleton diagram as the method for attachment of first to the 3rd execution mode of the present invention.Among this figure, be the whole vertical view of expression stator (a), (b) be its A-A ' cutaway view.
Fig. 2 is used to explain the skeleton diagram as the method for attachment of first execution mode of the present invention.Among this figure, be the vertical view that amplifies the connecting portion in the presentation graphs 1 (a), (b) be its B-B ' cutaway view.
Fig. 3 is the figure that is used for explaining as the order of connection of the method for attachment of first execution mode of the present invention; Among this figure; (a) be expression by vibration generator pressurize, the cutaway view of state before the exciting; (b) be expression make twisted wire integrated and with the cutaway view of the state that finishes being connected of wire rod, the cutaway view of the state when (c) being the resin-sealed connecting portion of expression.
Fig. 4 is the figure that is used for explaining as the order of connection of the method for attachment of second execution mode of the present invention; Among this figure; (a) being the cutaway view that is illustrated in the state when being provided with twisted wire in first groove of connecting portion, (b) is the cutaway view of the state of expression when making twisted wire integrated, (c) is the cutaway view of the state of expression vibration generator when withdrawing from; (d) be the cutaway view that is illustrated in the state when being provided with wire rod on the already incorporate twisted wire; (e) be expression by vibration generator to wire rod pressurize, exciting, and the cutaway view of the state when finishing, the cutaway view of the state when (f) being the resin-sealed connecting portion of expression with being connected of twisted wire.
Fig. 5 is the figure that is used for explaining as the order of connection of the method for attachment of the 3rd execution mode of the present invention; Among this figure; (a) being the cutaway view that is illustrated in the state when being provided with twisted wire on the hammering block, (b) is the cutaway view of the state of expression when making twisted wire integrated, (c) is the cutaway view that is illustrated in the state when being provided with already incorporate twisted wire in first groove of connecting portion; (d) be the cutaway view of the state when representing to be provided with wire rod above that; (e) be expression by vibration generator to wire rod pressurize, exciting, and the cutaway view of the state when finishing, the cutaway view of the state when (f) being the resin-sealed connecting portion of expression with being connected of twisted wire.
Fig. 6 is the figure that is used to explain the 3rd execution mode of the present invention, is the figure of an embodiment of the clamping pattern of expression hammering block and connecting portion.
Symbol description
The 1-wire rod, 1b-wire rod, 2-twisted wire, 2a-twisted wire, 2b-heart yearn, 2aa-twisted wire, 3-vibration generator; 3g-clamps pattern, the 4-hammering block, and 4b-second groove, 4g-clamps pattern, the 9-stator, 10-is unshakable in one's determination, the 11-connecting plate; The 11a-connecting portion, 11b-first groove, 11g-clamps pattern, the 12-holding plate, the 12b-groove, 12ga-clamps pattern, and 12gb-clamps pattern; The 13-holding plate, 13g-clamps pattern, 21-sealing resin, 30-direction of vibration, 120-joint interface, 121-joint interface.
Embodiment
The example of execution mode of the present invention is explained on following one side on one side with reference to accompanying drawing.
[embodiment 1]
Use Fig. 1~Fig. 3 that the first embodiment of the present invention is described.
Fig. 1 utilizes method of attachment of the present invention to make the figure of process of the stator of three phase induction motor, is the whole vertical view of expression stator (a), (b) is its A-A ' cutaway view.On the iron core 10 of stator 9, separately be wound with a plurality of wire rods 1.Be provided with circular connecting plate 11 on the top of stator 9, the surperficial connecting portion 11a that is used to connect wire rod 1 and twisted wire 2 of connecting plate 11 above that with quantity identical with the number of separating coiling.A plurality of wire rods 1 are taken on U phase, V phase, W phase respectively, and an end of the coiling of each phase wire rod 1 is connected and links in connecting portion 11a with corresponding to each three twisted wire 2 mutually.On the other hand, the other end of the coiling of wire rod 1 links (not shown) each other separately as neutral point.
Fig. 2 is the figure of the detailed structure of expression connecting portion 11a, (a) is vertical view, (b) is its B-B ' cutaway view.Among this figure (a), the part of twisted wire 2 in falling into the first groove 11b of connecting portion 11a made the twisted wire 2a of the state of having peelled off insulation sheath and is provided with.Among this figure (b), on the holding plate 12 of the bottom that is positioned at the first groove 11b, the surface is formed with the clamping pattern 12ga of concaveconvex shape above that, and is formed with the clamping pattern 12gb as first concaveconvex shape in the bottom of groove 12b.Wire rod 1 is arranged on clamps on the pattern 12gb, the peelling off crust of twisted wire 2 further is set above that and the twisted wire 2a that exposes.Twisted wire 2a is made up of a plurality of heart yearn 2b.
Connecting plate 11 and with connecting portion 11a, the first groove 11b of its one be the electrical insulating property resin, holding plate 12 is metals.Holding plate 12 is fixedly mounted on the bottom of the first groove 11b with bonding way, perhaps when utilizing resin forming to make connecting plate 11 with connecting portion 11a, the first groove 11b, fixedly mounts through insert moulding.Connecting plate 11 and holding plate 12 are the component parts of electric rotating machine.
Fig. 3 is the figure that the order of connection after this is described.Among this figure, while (a) be expression with pressurize from the top of the twisted wire 2a figure of state of exciting of vibration generator 3.Be formed with clamping pattern 3g in the bottom of vibration generator 3, apply the ultrasonic vibration of the direction vertical in view of the above at the upper surface of twisted wire 2a with the paper of this figure as the 3rd concaveconvex shape.
Ultrasonic vibration is delivered on the inside and wire rod 1 of twisted wire 2a, clamps pattern 12gb constraint wire rod 1 so that wire rod 1 is caught vibration.Through pressurization, the exciting of vibration generator 3, its cross sectional shape of twisted wire 2a changes with moving of heart yearn 2b, and carry out that heart yearn 2b engages from the top with vibration generator 3 butts each other integrated.
This figure (b) representes that already incorporate twisted wire 2aa is connected the figure of the state that finishes with wire rod 1.The a plurality of heart yearn 2b of twisted wire 2aa and the contact portion of wire rod 1 form the joint interface 120 that is formed by diffusion bond.In addition, this figure (c) is that presentation graphs (b) utilizes sealing resin 21 and the figure of the state of the portion that is tightly connected when whole afterwards.Sealing resin 21 is electrical insulating property resins, under molten condition, drops onto on the connecting portion 11a of connecting plate 11, is fixed on the connecting portion 11a with the twisted wire 2aa and the wire rod 1 that will already solidify.
More than, according to first embodiment, catch ultrasonic vibration, thereby for the bigger vibrational energy when making twisted wire integrated, can obtain the maintenance effect identical with hammering block owing on metallic holding plate 12, form clamping pattern.Therefore, needn't when each the connection, install, supporting fixture such as dismounting hammering block, and the pressurization, the exciting that only carry out single pass vibration generator 3 just can realize being connected of wire rod and twisted wire, thereby method of attachment few when can be used as worker, high efficiency.
In addition, because insulation, the fixing processing after connecting with the sealing of electrical insulating property resin, thereby with the insulation of using insulating tape and heat-shrinkable tube etc., fixedly processing method is compared, can be used as that parts take and few method of attachment during worker.Therefore, cheap motor and generator can be provided.
[embodiment 2]
Use Fig. 4 that the second embodiment of the present invention is described.
Fig. 4 is the detailed structure of the connecting portion 11a in the explanation present embodiment and the cutaway view of the order of connection.Among this figure (a), on the holding plate 13 of the bottom that is positioned at the first groove 11b, the surface is formed with the clamping pattern 13g as first concaveconvex shape above that.The twisted wire 2a that the peelling off crust of twisted wire 2 is set above that and exposes.Twisted wire 2a is made up of a plurality of heart yearn 2b.
Connecting plate 11 and with connecting portion 11a, the first groove 11b of its one be the electrical insulating property resin, holding plate 13 is metals.Holding plate 13 is fixedly mounted on the bottom of the first groove 11b with bonding way, perhaps when utilizing resin forming to make connecting plate 11 with connecting portion 11a, the first groove 11b, fixedly mounts through insert moulding.Connecting plate 11 and holding plate 13 are the component parts of electric rotating machine.
This figure (b) is the figure that pressurization, the exciting of expression through vibration generator 3 makes the integrated and state when making twisted wire 2aa of twisted wire 2a.Utilize vibration generator 3 the bottom conduct the 3rd concaveconvex shape clamping pattern 3g and on the upper surface of twisted wire 2a, apply the ultrasonic vibration of the direction vertical with the paper of this figure, twisted wire 2a fetters and becomes to catch to be delivered to inner ultrasonic vibration by clamping pattern 13g.State when in addition, this figure (c) expression is withdrawed from vibration generator 3 for the time being.And in this figure (d), wire rod 1 is set on twisted wire 2aa.
This figure (e) representes that already incorporate twisted wire 2aa is connected the figure of the state that finishes with wire rod 1.Wire rod 1 is deformed into wire rod 1b through pressurization, the exciting of vibration generator 3, and the contact portion of the upper surface of twisted wire 2aa and wire rod 1b forms the joint interface 121 through diffusion bond.Though the direction of vibration of the vibration generator 3 when connecting wire rod 1 still is perpendicular to the direction of paper, pressurization, exciting condition are different from pressurization, exciting condition when in this figure (b), making twisted wire 2a integrated.
Owing on a twisted wire 2, connect a plurality of wire rods 1, thereby the cross-sectional area of conductor of twisted wire 2a is long-pending greater than wire rod 1, therefore, pressurization, the exciting condition when connecting wire rod 1 becomes the input energy than the condition that the incorporate condition of twisted wire 2a is lacked.Thereby in this figure (b) and this figure (e), the device condition of conversion ultrasonic bonding equipment engages.
This figure (f) representes after this to utilize the be tightly connected figure of the state of portion when whole of sealing resin 21.Sealing resin 21 is electrical insulating property resins, under molten condition, drops onto on the connecting portion 11a of connecting plate 11, and the twisted wire 2aa and the wire rod 1 that already solidify are fixed on the connecting portion 11a.
More than, according to second embodiment, catch ultrasonic vibration, thereby for the bigger vibrational energy when making twisted wire integrated, can obtain the maintenance effect identical with hammering block owing on metal holding plate 13, form clamping pattern.Therefore, needn't when each the connection, install, supporting fixture such as dismounting hammering block, thereby few method of attachment when can be used as worker.
In addition; Under the situation of the coating that is applied with Sn etc. on the heart yearn 2b of twisted wire 2a; In making the incorporate process of twisted wire 2a; Coating has the upper surface of vibration generator 3 to splash and the Cu portion of exposing heart yearn 2b from butt, thus with the joint interface 121 of the wire rod that is all Cu 1 on realize firm diffusion bond, thereby can be used as the high method of attachment of reliability.
In addition, because insulation, the fixing processing after connecting with the sealing of electrical insulating property resin, thereby with the insulation of using insulating tape and heat-shrinkable tube etc., fixedly processing method is compared, can be used as that parts take and few method of attachment during worker.Thus, cheap motor and generator can be provided.
[embodiment 3]
Use Fig. 5 and Fig. 6 that the third embodiment of the present invention is described.
Fig. 5 is the detailed structure of the connecting portion 11a in the explanation present embodiment and the cutaway view of the order of connection.The method of attachment of the wire rod of present embodiment comprises: utilize hammering block to make incorporate first operation of twisted wire; And already incorporate twisted wire is connected to second operation on the wire rod of motor.
These figure (a) and (b) are figure of explanation first operation.In this figure (a), the peelling off crust of twisted wire 2 and the twisted wire 2a that exposes are arranged in the second groove 4b of hammering block 4.Be formed with clamping pattern 4g as second concaveconvex shape in the bottom of the second groove 4b.This figure (b) is the figure that pressurization, the exciting of expression through vibration generator 3 makes the integrated and state when making twisted wire 2aa of twisted wire 2a.In the bottom of twisted wire 2aa, owing to be replicated the concavo-convex clamping pattern 4g of hammering block 4, thus form concaveconvex shape.
This figure (c)~(f) is the figure of explanation second operation.In this figure (c), already incorporate twisted wire 2aa is arranged in the first groove 11b as the connecting portion 11a of the connecting plate 11 of the component part of electric rotating machine with the bottom mode down that is formed with above-mentioned concaveconvex shape.Be formed with clamping pattern 11g as first concaveconvex shape in the bottom of the first groove 11b.Clamp pattern 11g when utilizing resin forming to make connecting plate 11, form by shaping mould identically with other shapes with connecting portion 11a, the first groove 11b.
In this figure (d), wire rod 1 is set on twisted wire 2aa.And this figure (e) representes that already incorporate twisted wire 2aa is connected the figure of the state that finishes with wire rod 1.The clamped pattern 11g of ultrasonic vibration that is applied by vibration generator 3 catches, thus constraint twisted wire 2aa.Wire rod 1 is deformed into wire rod 1b through pressurization, the exciting of vibration generator 3, and the contact portion of the upper surface of twisted wire 2aa and wire rod 1b forms the joint interface 121 through diffusion bond.
The pressurization of vibration generator 3, exciting condition are different from pressurization, the exciting condition when in this figure (b), making twisted wire 2a integrated.Owing on a twisted wire 2, connect a plurality of wire rods 1, thereby the cross-sectional area of conductor of twisted wire 2a is long-pending greater than wire rod 1, therefore, pressurization, the exciting condition when connecting wire rod 1 becomes the input energy than the condition that the incorporate condition of twisted wire 2a is lacked.Therefore,, above-mentioned clamping pattern 11g can realize reliable joint even if being formed from a resin also, and can be because of ultrasonic vibration fusion, abrasion.
This figure (f) representes after this to utilize the be tightly connected figure of the state of portion when whole of sealing resin 21.Sealing resin 21 is electrical insulating property resins, under molten condition, drops onto on the connecting portion 11a of connecting plate 11, and the twisted wire 2aa and the wire rod 1 that already solidify are fixed on the connecting portion 11a.
Fig. 6 is the figure of an execution mode of clamping pattern 11g of conduct first concaveconvex shape of clamping pattern 4g and connecting portion 11a of conduct second concaveconvex shape of the above-mentioned hammering block 4 of expression.On the ultrasonic vibration that is generated by vibration generator is applied to twisted wire 2 and twisted wire 2a along the direction of direction of vibration 30.Clamp the shape that pattern 4g is the parallel slot of the direction with a plurality of and direction of vibration 30 quadratures, this pattern copies on the already incorporate twisted wire 2aa.Clamp pattern 11g and be identical therewith shape, through catching ultrasonic vibration reliably with the copying pattern engagement of above-mentioned twisted wire 2aa.
More than, according to the 3rd embodiment, do not increase the connecting portion that the additional metals parts just can be formed for carrying out wire rod and the electrical insulating property resin that is connected of twisted wire, thereby can be used as the method for attachment of low cost of manufacture.
In addition; Under the situation of the coating that is applied with Sn etc. on the heart yearn 2b of twisted wire 2a; In making the incorporate process of twisted wire 2a; Coating has the upper surface of vibration generator 3 to splash and the Cu portion of exposing heart yearn 2b from butt, thereby is realizing firm diffusion bond with the joint interface 121 of the wire rod that is all Cu 1, thereby can be used as the high method of attachment of reliability.
In addition, because insulation, the fixing processing after connecting with the sealing of electrical insulating property resin, thereby with the insulation of using insulating tape and heat-shrinkable tube etc., fixedly processing method is compared, can be used as that parts take and few method of attachment during worker.Thus, cheap motor and generator can be provided.
Though above above-mentioned connecting plate with a plurality of connecting portions can not be circular one parts based on the specifically clear the present invention of execution mode, also can be the structure that has made up the parts that separate according to the easness of making, assemble.In addition, though the cross sectional shape that has used twisted wire and wire rod before integrated be illustrated as the example of the occasion of circle, even if under the situation of in addition cross sectional shape, also can obtain same effect.Promptly, the present invention is not limited to the execution mode of foregoing invention, and is self-evident, but the ultrasonic wave of twisted pair wire and wire rod engages and changes in the scope that does not exceed its main idea.