CN103874255B - The manufacture device of load coil and the manufacture method of load coil - Google Patents
The manufacture device of load coil and the manufacture method of load coil Download PDFInfo
- Publication number
- CN103874255B CN103874255B CN201310343650.1A CN201310343650A CN103874255B CN 103874255 B CN103874255 B CN 103874255B CN 201310343650 A CN201310343650 A CN 201310343650A CN 103874255 B CN103874255 B CN 103874255B
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- wire rod
- mould
- load coil
- otch
- spool
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Abstract
What the present invention provided a kind of load coil manufactures device and the manufacture method of load coil, its can while maintaining the shape of the wire rod being wound in spool and compressed molding by tape wrapping in wire rod.The manufacture device of load coil possesses: the 1st mould, and the wire rod being wound in spool is supported by it in the axial end side of this wire rod, and is formed with otch along from the outer circumferential side of this wire rod towards the direction of inner circumferential side；2nd mould, it is used for filling this otch；3rd mould, it clamps this wire rod to carry out extrusion forming between the 1st mould and the 2nd mould；And tape winding apparatus, after making the 1st mould of state of the 2nd mould and the 3rd mould wire rod after being supported with extrusion forming keep out of the way, described tape winding apparatus utilizes this otch by tape wrapping in this wire rod.
Description
Technical field
The present invention relates to load coil manufactures device and the manufacture method of load coil.
Background technology
Patent Document 1 discloses the manufacture device (manufacturer of load coil of a kind of load coil
Method): wire coil is around in the spool that cross section is tetragon, axial along spool of the wire rod of the state of spool will be wound in
Carry out first compression, and then, wire rod is supported to bending, and wire rod is axially carried out second-compressed along spool.
Patent documentation 1: No. 4771014 publications of Japanese Patent.
Summary of the invention
The problem of the present invention is, it is possible to maintain the shape of the wire rod being wound in spool extrusion forming and obtain, and will
Tape wrapping is in wire rod.
The manufacture device that invention is a kind of load coil of technical scheme 1, the manufacture dress of described load coil
Putting and possess: the 1st mould, the wire rod being wound in spool is supported by it in the axial end side of this wire rod, and along
From the outer circumferential side of this wire rod, the direction towards inner circumferential side is formed with otch；2nd mould, it is used for filling described otch；
3rd mould, it clamps described wire rod to carry out extrusion forming between described 1st mould and described 2nd mould；
And tape winding apparatus, make described 2nd mould and the shape of described 3rd mould wire rod after being supported with extrusion forming
After described 1st mould of state is kept out of the way, described tape winding apparatus utilizes described otch by tape wrapping in described wire rod.
The manufacture device that the invention of technical scheme 2 is the load coil described in technical scheme 1, described 1st mould
Having: described spool, it is formed with the inner peripheral portion of described otch, and described inner peripheral portion is arranged in the interior of described wire rod
All sides；And support, it is arranged at the axial end side of described spool, and in being formed described in the ratio of described otch
The part of circumferential portion outer circumferential side side, described wire rod is supported by described support in the axial end side of this wire rod.
The manufacture device that the invention of technical scheme 3 is the load coil described in technical scheme 2, described 1st mould
There is clamping part, described clamping part by can along described axially displaced in the way of be arranged at the axial other end of described spool
Side, clamps described wire rod between described clamping part and described support, and described 3rd mould will via described clamping part
Described wire rod is clamped between the 3rd mould and described support and pressurizes.
The manufacture device that the invention of technical scheme 4 is the load coil described in any one in technical scheme 1～3,
It possesses hold assembly, make described 3rd mould after described 1st mould is kept out of the way, in the way of open described otch
Described wire rod is clamped between described hold assembly and described 1st mould.
The manufacture device that the invention of technical scheme 5 is the load coil described in any one in technical scheme 1～4,
It possesses pressing component, and this pressing component presses the periphery of described wire rod in the way of open described otch.
The manufacture method that invention is a kind of load coil of technical scheme 6, comprising: preparatory process, described
In preparatory process, the manufacture device of the load coil described in any one in preparation techniques scheme 1～5；Winding
Operation, in described rolling step, is around in described spool by wire coil；Extrusion forming operation, in described extrusion forming
In operation, the wire rod being wound in described spool is clamped in described 1st mould and described 2nd mould and the described 3rd
Extrusion forming is carried out between mould；Keep out of the way operation, keep out of the way in operation described, after described extrusion forming operation,
Described 2nd mould and described 3rd mould is made to keep out of the way from described 1st mould of the state being supported with described wire rod；And
Tape wrapping operation, in described tape wrapping operation, described keep out of the way operation after, utilize described otch, by described band
Coiler device by tape wrapping in by described 1st mould supporting wire rod.
The manufacture method that the invention of technical scheme 7 is the load coil described in technical scheme 6, at described beam worker
In sequence, the manufacture device of the load coil described in preparation techniques scheme 4, the manufacturer of described load coil
Method includes clamping operation, in described clamping operation, after making described 3rd mould keep out of the way after described extrusion forming operation,
And before described tape wrapping operation, described wire rod is clamped in the way of open described otch by described hold assembly
Between described hold assembly and described 1st mould.
The manufacture method that the invention of technical scheme 8 is the load coil described in technical scheme 6 or 7, in described standard
In standby operation, the manufacture device of the load coil described in preparation techniques scheme 5, the system of described load coil
The method of making includes pressing process, in described pressing process, after described rolling step and in described tape wrapping operation
Before, in the way of open described otch, the periphery of described wire rod is pressed by described pressing component.
According to the structure of technical solution of the present invention 1, with when wire rod is not by the 1st mould supporting by tape wrapping in
The situation of this wire rod is compared, it is possible to rolled up by band while maintaining the shape of the wire rod being wound in spool and compressed molding
It is around in wire rod.
According to the structure of technical solution of the present invention 2, compared with the situation that the 1st mould does not have spool, it is possible to limit
It is wound in state that the wire rod of spool compressed molding scatters to inner circumferential side by tape wrapping in wire rod.
According to the structure of technical solution of the present invention 3, compared with the situation that the 1st mould does not have clamping part, it is possible to limit
Make state that the wire rod being wound in spool compressed molding scatters to axial side by tape wrapping in wire rod.
According to the structure of technical solution of the present invention 4, compared with the situation without hold assembly, it is possible at the 3rd mould
After keeping out of the way, to limit state that wire rod scatters to axial side by tape wrapping in wire rod.
According to the structure of technical solution of the present invention 5, compared with the situation without pressing component, it is possible to limit line
The state that material scatters to outer peripheral side by tape wrapping in wire rod.
According to the manufacture method of technical solution of the present invention 6, compared with the situation not including tape wrapping operation, it is possible in dimension
Hold tape wrapping while the shape of the wire rod being wound in spool and compressed molding in wire rod.
According to the manufacture method of technical solution of the present invention 7, compared with the situation not including clamping operation, it is possible to the 3rd
After mould is kept out of the way, to limit state that wire rod scatters to axial side by tape wrapping in wire rod.
According to the manufacture method of technical solution of the present invention 8, compared with the situation not including pressing process, it is possible to limit
It is wound in state that the wire rod of spool scatters to outer peripheral side by tape wrapping in wire rod.
Accompanying drawing explanation
Fig. 1 is the skeleton diagram of the structure of the coil manufacturing apparatus illustrating present embodiment.
Fig. 2 is the skeleton diagram of the structure of the carrying device illustrating present embodiment.
Fig. 3 is the skeleton diagram of the structure illustrating that the folding line of present embodiment gives device.
Fig. 4 is the front view of the structure of the coiler device illustrating present embodiment.
Fig. 5 is the exploded perspective view of the structure illustrating winding mould.
Fig. 6 is the axonometric chart of the structure illustrating winding mould.
Fig. 7 is the top view of the structure illustrating middle mold.
Fig. 8 is the sectional view along line A-A of Figure 11.
Fig. 9 is the sectional view along line B-B of Figure 11.
Figure 10 is the sectional view along line C-C of Figure 11.
Figure 11 is the axonometric chart being shown in the structure shown in Fig. 6 the state being configured with limiting part.
Figure 12 is the axonometric chart of the state illustrating upper mold after middle mold is kept out of the way.
Figure 13 is the axonometric chart being shown in the structure shown in Figure 12 the state being configured with pressing component.
Figure 14 is to be shown in the axonometric chart of lower mold state after middle mold is kept out of the way in the structure shown in Figure 13.
Figure 15 is the axonometric chart illustrating the load coil produced.
Figure 16 is the side view of the structure illustrating tape winding apparatus.
Figure 17 is the side view amplifying the part illustrating tape winding apparatus.
Figure 18 is the side view of the structure illustrating tape winding apparatus.
Figure 19 is the side view of the structure illustrating tape winding apparatus.
Figure 20 is the side view of the structure illustrating tape winding apparatus.
Figure 21 is the sectional view that application has the fixing device of load coil.
Figure 22 is the partial sectional view of the fixing device shown in Figure 21.
Figure 23 is the partial sectional view of the fixing band of the fixing device shown in Figure 21.
Figure 24 is control circuit and the connection figure of power-on circuit of the fixing device shown in Figure 21.
Label declaration
200: coil manufacturing apparatus；
202: wire rod；
252A: spool；
510: middle mold (example of the 1st mould)；
514: support plate (example of support)；
516: clamping part；
520: otch；
522: inner peripheral portion；
523: inner peripheral portion；
524A: outer peripheral portion；
524B: outer peripheral portion；
525: outer peripheral portion；
540: lower mold (example of the 2nd mould)；
570: upper mold (example of the 3rd mould)；
600: tape winding apparatus；
602: band；
700: pressing component；
710: hold assembly.
Detailed description of the invention
Hereinafter, with reference to the accompanying drawings an example of embodiments of the present invention is illustrated.
[structure of coil manufacturing apparatus 200]
First, the structure of the coil manufacturing apparatus 200 for manufacturing load coil is illustrated.Fig. 1 is to show
Go out the skeleton diagram of the structure of the coil manufacturing apparatus 200 of present embodiment.
As it is shown in figure 1, coil manufacturing apparatus 200 possesses: coiler device 250, it will be for having the line of electric conductivity
Material 202 is wound in the spool 252A that cross section is tetragon (specially cross section is rectangle)；And folding line gives dress
Putting 240, it is for being wound in the corner 252C of spool 252A to the wire rod 202 being wound device 250 winding
Position give folding line in advance.
Additionally, coil manufacturing apparatus 200 possesses: wire rod supply unit 210, it gives device for supply by folding line
240 wire rods 202 giving folding line；Carrying device 230, it is for the wire rod that will be supplied by wire rod supply unit 210
202 conveyances give device 240 to folding line；And measuring device 220, it is for being transported by carrying device 230
The computed carrier amount of wire rod 202 measures.
In coil manufacturing apparatus 200, wire rod supply unit 210, measuring device 220, carrying device 230, folding line
Give device 240 and coiler device 250 to configure along the transport path of wire rod 202 with this order.
(wire rod supply unit)
Wire rod supply unit 210 possesses: shuttle 212, and it winds and be accommodated with wire rod 202；And as supporting mass
Shuttle frame 218, it is for supporting shuttle 212 as rotating.
Shuttle 212 is configured to have with lower part: spool 214, and it is wound with wire rod 202；And as flange part
Flange 216, it is flange shape stretching out at the axial both ends of spool 214 to radial direction.Additionally, in FIG
Only illustrate the flange 216 of side.
Shuttle 212 is supported as rotating using the axle center of the spool 214 of shuttle 212 as rotary shaft by shuttle frame 218.
Shuttle frame 218 is provided with driving motor 219, drives motor 219 to drive shuttle 212 to making wire rod 202
Rotate from the direction (in FIG for direction of rotation counterclockwise) that spool 214 rolls out.
The cross section of wire rod 202 is rounded, and it is made up of a plurality of fine rule twisted.Fine rule is by flowing through the conductor of electric current and making this
The insulating coating of electrical insulation is constituted, and is i.e. made up of magnet-wire (enamel-covered wire).Such as carried out structure by 45 or 90 fine rules
Become 1 wire rod 202.
(measuring device)
Measuring device 220 possesses the back tension roller 222 of an example as tension force member of imparting, and it is at wire rod
Conveyance direction relative to carrying device 230 (conveying direction) upstream side of 202, transports to carrying device 230
Wire rod 202 give tension force.Specifically, back tension roller 222 is made up of the pair of rolls clipping wire rod 202.In anti-sheet
In power roller 222, when being had moment of torsion set in advance by wire rod 202 effect clipped, back tension roller 222 is driven in line
Material 202 and rotate.That is, back tension roller 222 is configured to: before acted on moment of torsion set in advance by wire rod 202 not
Rotate, and wire rod 202 is applied conveyance resistance, thus to wire rod between back tension roller 222 and carrying device 230
202 give tension force.
Additionally, be not limited to back tension roller 222 as tension force member of imparting, if by with the contacting of wire rod 202
Tension force is given etc. to wire rod 202.
At the conveyance direction relative to carrying device 230 (conveying direction) upstream side of wire rod 202, and at wire rod
Conveyance direction relative to back tension roller 222 (conveying direction) downstream of 202 is provided with driven voller 224, driven
Roller 224 is driven in and rotates to the wire rod 202 of carrying device 230 conveyance.
Driven voller 224 is configured to, and by selection and the adjustment etc. sandwiching pressure of wire rod 202 of material, makes driven voller
224 are difficult to produce slip in the part contacted with wire rod 202, thus rotate with the conveyance of wire rod 202.
By by back tension roller 222 to wire rod 202 working tension, come at carrying device 230 and back tension roller 222
Between eliminate the lax of wire rod 202, make the amount of carrying device 230 conveyance and wire rod 202 with driven voller 224
The conveying capacity of the part of contact does not changes.
Driven voller 224 is provided with rotary encoder 226, and it is for measuring the rotation amount (rotating speed) of driven voller 224.
Rotary encoder 226 possesses plectane 226A, plectane 226A and is arranged in the rotary shaft of driven voller 224 or by tooth
In the rotary shaft that wheel etc. delivers the rotation of driven voller 224 and rotates.At plectane 226A, circumferentially to preset
Interval be formed along radial direction extend a plurality of slit 226B.
Additionally, rotary encoder 226 possesses the photo interrupter 226C of an example as detection means, photoelectricity
Chopper 226C has illuminating part (omitting diagram) and light accepting part (omitting diagram).
In photo interrupter 226C, send from illuminating part and accepted by light accepting part by the light of slit 226B, by
This, count by the quantity of the slit 226B between illuminating part and light accepting part, thus measure driven voller 224
Rotation amount (rotating speed), i.e. the computed carrier amount of wire rod 202.
Specifically, photo interrupter 226C will detect signal (pulse signal) and deliver to and photo interrupter 226C phase
Control portion 260 even, this detection signal by acceptance slit 226B by light and generate.Additionally, about control
Portion 260 processed sees aftermentioned.
(carrying device)
As shown in the Fig. 2 observed from conveyance direction upstream side (on the left of the paper of Fig. 1), carrying device 230 is by from 4
Individual direction clips 4 carrying rollers 232 that wire rod 202 carries out transporting and constitutes.Specifically, 4 carrying rollers 232 by
Following carrying roller is constituted: a carrying roller 232A；One carrying roller 232B, it is from a carrying roller 232A and line
The rightabout in the direction of material 202 contact (Fig. 2 from paper underneath towards the direction of top) (Fig. 2 from paper
Direction above towards lower section) contact with wire rod 202；And two carrying roller 232C, they are from relative to conveyance
(paper of Fig. 2 is left for direction at a right angle, the contact direction (the paper above-below direction of Fig. 2) of roller 232A and 232B
Right direction) mutually opposing and contact with wire rod 202.
As it is shown in figure 1, be provided with the driving motor 234 of an example as drive division at each carrying roller 232,
Motor 234 is driven to be used for driving carrying roller 232 to rotate.Each carrying roller 232 by each driving motor 234 with identical
Rotary speed (circular velocity) drive respectively and rotate.
Wire rod 202 from 4 direction clampings compressed wire 202, thus, is molded into by carrying roller 232 with outer peripheral face
Cross section is tetragon (straight angle) and transports.Here, cross section is that the molding (straight angle) of tetragon refers to
Make the cross section of wire rod 202 become tetragon from circle, or make the cross section of wire rod 202 close to tetragon from circle.
Additionally, in the present embodiment, (Fig. 2 vertically of the outer peripheral face of carrying roller 232A and carrying roller 232B
Paper left and right directions) (the paper upper and lower of Fig. 2 vertically of outer peripheral face of two carrying roller 232C of width ratio
To) width width, wire rod 202 is shaped to cross section and is rectangle.
(folding line imparting device)
As it is shown on figure 3, folding line gives device 240 possesses that to be formed as cross section be tetragon (specially cross section is rectangle)
Block 242.The tetragon in the cross section of block 242 refers to be surrounded by four limits and have between each limit the shape of corner 242C
Shape, corner 242C can also have fillet.Additionally, the rectangle in the cross section of block 242 refers to by opposed pairs minor face
With the long limit of opposed pairs surrounds and has the shape of corner 242C between minor face and long limit, corner 242C also may be used
There to be fillet.Here, in the case of corner 242C has fillet, it is desirable to for the small round corner of R3 degree.
It is provided with as press section in the position opposed for 242A with the 1st of block 242 the (in figure 3 for upper surface)
The pressing roller 244 of part, it for pressing on the 1st 242A by wire rod 202.
The conveyance direction downstream relative to pressing roller 244 (on the right side of the paper of Fig. 3) of wire rod 202 is provided with work
For pressing the attached roller of pressure 246 of attached parts, it is at a right angle (vertical relative to the 1st 242A for being attached to by wire rod 202
The 2nd 242B directly).
Press attached roller 246 be provided with drive mechanism 248, this drive mechanism 248 make the attached roller of pressure 246 with the 2nd 242B
Opposed opposed locations ((B) of Fig. 3) and the retreating position (Fig. 3 kept out of the way to pressing roller 244 side from opposed locations
(A)) between move along the 2nd 242B.
Drive mechanism 248 possesses: the elastomeric elements (omitting diagram) such as stretching spring, it will press attached roller 246 by elastic force
From opposed locations to retreating position pressing or tractive；Cam 248B, it, for resisting the elastic force of this elastomeric element, makes
Attached roller 246 is pressed to move to opposed locations；And driving motor 248A, it is used for making cam 248B rotate.
In folding line gives device 240, by pressing roller 244, wire rod 202 is pressed on the 1st 242A, should
The position leant out to the 2nd 242B side (for right side (A) of Fig. 3) from the 1st 242A of wire rod 202
It is attached to the 2nd 242B((B) with reference to Fig. 3 by pressing attached roller 246), thus wire rod 202 is given along the
The folding line of the corner 242C between 1 242A and the 2nd 242B, wherein, presses attached roller 246 by cam 248B
Rotation and move to opposed locations from retreating position.
(coiler device)
As shown in Figure 4, coiler device 250 possesses: rotary body 254, and it is supported by body (omit diagram) supporting and is
Can rotate；Driving motor 256, it rotates for driving rotating bodies 254；And as winding unit
The winding mould 500 of example, it is fixed on rotary body 254 and rotates integrally with rotary body 254, thus wound skein product
202.As shown in Figure 4, (from the rotary shaft direction unilateral observation of rotary body 254) when rotary body 254 is observed in front
For example formed as circle.Additionally, in the diagram, simplify and illustrate winding mould 500.
<winding mould 500>
As shown in Figure 5 and Figure 6, winding mould 500 has: as the 1st mould an example middle mold 510,
As the lower mold 540 of an example of the 2nd mould and the upper mold 570 of an example as the 3rd mould.Under
Mould 540 and upper mold 570 are can combine (reference (with reference to Fig. 5) with middle mold 510 in the way of middle mold 510 is kept out of the way
Fig. 6).
[middle mold 510]
Middle mold 510 is to being wound on spool 252A(by middle mold spool constituting portion 513 described later and lower mold described later volume
The parts that axle constituting portion 541,543 is constituted) wire rod 202 axially end side carry out the mould (parts) that supports
(with reference to Figure 12).Additionally, as it is shown in figure 5, middle mold 510 is to be wound on volume along from the wire rod 202(of coiled type
The wire rod 202 of the state of axle 252A) outer circumferential side be formed with the mould (parts) of otch 520 to the direction of inner circumferential side.
Additionally, as shown in figure 15, otch 520 for being attached at the wire rod 202 of coiled type with 602.
Specifically, middle mold 510 has: spool 252A；As the support plate 514 of an example of support, its
It is arranged at the axial end side (downside of Fig. 5) of spool 252A, is used for the wire rod 202 to coiled type axially
End side supports；Multiple clamping parts 516, they are in another side axial (upside of Fig. 5) of spool 252A
Axially can arrange in the way of shifting along it, and between described clamping part 516 and support plate 514, clamp coil
The wire rod 202 of shape；And described otch 520.
As it is shown in fig. 7, otch 520 is configured to possess: overlook (observing vertically) through hole 529 in T-shaped,
It is arranged in middle mold 510(support plate 514) long side direction (Y-direction) both end sides；And linearity is multiple
(specially two) through hole 527, they are arranged between the through hole 529 of two T-shaped.Through hole 529
With through hole 527 through-thickness (above-below direction) through middle mold 510(support plate 514).
Each through hole 527 has when overlooking: the region that inner peripheral portion 523(is surrounded by single dotted broken line), it is formed
The part of inner circumferential side in the wire rod 202 being positioned at coiled type of otch 520；And a pair outer peripheral portion 525, they
Part as the ratio inner peripheral portion 523 outer circumferential side side of otch 520.One outer peripheral portion 525 when overlooking from inner circumferential
The outer rim of part 523 extends to X-direction side (upside of Fig. 7).Another outer peripheral portion 525 is when overlooking
Extend to X-direction opposite side (downside of Fig. 7) from the outer rim of inner peripheral portion 523.Additionally, in the figure 7, by
Double dot dash line illustrates the outer rim of the wire rod 202 of coiled type.
Each through hole 529 has when overlooking: the region that inner peripheral portion 522(is surrounded by single dotted broken line), it is formed
The part of inner circumferential side in the wire rod 202 being positioned at coiled type of otch 520；And outer peripheral portion 524A and external
Circumferential portion 524B, they are as the part of the ratio inner peripheral portion 523 outer circumferential side side of otch 520.Outer peripheral portion 524A
Extend from the outer rim of inner peripheral portion 523 to the outside of each short side part 202T of the wire rod 202 of coiled type.Outside one
Circumferential portion 524B extends to X-direction side (upside of Fig. 7) from the outer rim of inner peripheral portion 522 when overlooking.Separately
One outer peripheral portion 524B when overlooking from the outer rim of inner peripheral portion 522 to X-direction opposite side (downside of Fig. 7)
Extend.
As it is shown in fig. 7, the spool 252A of middle mold 510 by forming the inner peripheral portion of otch 520 at this spool 252A
Points 522,523, and be configured to have in multiple (specially 3) being arranged between inner peripheral portion 522,523
Mould spool constituting portion 513.
The lower mold spool constituting portion 541,543 stated afterwards has filled the shape of the inner peripheral portion 522,523 of otch 520
Under state, wire rod 202 is wound in spool 252A.Further, the lower mold spool constituting portion 541,543 stated afterwards is filled out
Having buried under the state of inner peripheral portion 522 of otch 520, as shown in Figure 4, spool 252A is formed as in axial section view
It is tetragon (specially cross section is rectangle) during observation.Tetragon mentioned here refers to be surrounded and respectively by four limits
Having the shape of corner (corner portion) 252C between limit, corner 252C can also have fillet.Here, at angle
In the case of portion 252C has fillet, it is desirable to for the small round corner of R3 degree.Additionally, in the diagram, simplify and show
Go out the volume of the state of the inner peripheral portion 522 having filled otch 520 with lower mold spool constituting portion 541,543 described later
Axle 252A.
As it is shown in figure 5, support plate 514 is arranged at the axial end side (downside of Fig. 5) of middle mold spool constituting portion 513,
And be formed as the tabular of tetragon (specially rectangle).As it is shown in fig. 7, pass through described in being formed at support plate 514
Through hole 529 and through hole 527.
As it is shown in figure 5, each clamping part 516 has: sandwiching parts 516A for a pair, they are short support plate 514
Middle mold spool constituting portion 513 is sandwiched by edge direction (X-direction in Fig. 5)；And connecting member 516B, they
Link this on the top sandwiching parts 516A a pair and sandwich parts 516A for a pair.Connecting member 516B and sandwiching for a pair
Parts 516A is fixed by fixed components such as not shown screws.Connecting member 516B and sandwich parts 516A for a pair
Do not fix relative to middle mold spool constituting portion 513, it is possible to axially displaced along middle mold spool constituting portion 513.
Connecting member 516B is provided with the handled a pair screw 516C of tool.As shown in Figure 8, by screw 516C
Being screwed into, the terminal part of screw 516C is prominent and contacts with the upper surface of middle mold spool constituting portion 513, thus, even
Between being formed between end face (lower surface) and the end face (upper surface) of middle mold spool constituting portion 513 of knot part 516B
Gap.Thus, screw 516C maintains connecting member 516B and sandwiches parts 516A for a pair relative to middle mold spool composition
The state that portion 513 and support plate 514 rise.
Additionally, by unclamping screw 516C, connecting member 516B and sandwich for a pair parts 516A due to deadweight from
Propradation declines.
Additionally, as structure other than the above, screw 516C can use bulb stopper.Bulb stopper is that one end has opening
Drum, protrudes a part for ball from opening.Ball is pressed to the outside of opening all the time by the spring of the inside of bulb stopper.
In the case of using bulb stopper as screw 516C, by making the ball being positioned at bulb stopper end and middle mold spool constituting portion 513
Upper surface contact, come between the upper surface of the lower surface of connecting member 516B and middle mold spool constituting portion 513 shape
Become gap.Thus, screw 516C is able to maintain that connecting member 516B and sandwiches parts 516A for a pair relative to middle mold
The state that spool constituting portion 513 and support plate 514 rise.Further, even if not unclamping screw 516C, by inciting somebody to action
Connecting member 516B or sandwich parts 516A for a pair and press down on, it is also possible to make the ball of bulb stopper overcome the pressing of spring
Power moves in bulb stopper, therefore, it is possible to make connecting member 516B and sandwich parts 516A for a pair from propradation
Fall.
[lower mold 540]
Lower mold 540 is the mould (parts) of the otch 520 of embedment middle mold 510.Specifically, as it is shown in figure 5, under
Mould 540 has: lower mold main body 542；Multiple (specially amounting to 4) lower mold spool constituting portion 541,543, it
Imbed the inner peripheral portion 522,523 of otch 520, thus constitute a part of spool 252A；And multiple (tool
Body is 10 altogether) support plate constituting portion 546,548, they imbed respectively otch 520 outer peripheral portion 525,
524A, 524B, thus constitute a part for support plate 514.
Lower mold spool constituting portion 541 and support plate constituting portion 546 are inserted in the through hole 529 of T-shaped.Lower mold spool
Constituting portion 543 and support plate constituting portion 548 are inserted in the through hole 527(of linearity with reference to Figure 12).
Lower mold spool constituting portion 541 and lower mold spool constituting portion 543 are inserted in through hole 529 and through hole 527 respectively,
Thus, as shown in Figure 10, become middle mold spool constituting portion 513 and enter into lower mold spool constituting portion 541 and lower mold volume
State between axle constituting portion 543, middle mold spool constituting portion 513 and lower mold spool constituting portion 541 and lower mold spool structure
One-tenth portion 543 plays the function of the spool of wound skein product 202 together.
Support plate constituting portion 546 and support plate constituting portion 548 are inserted in through hole 529 and through hole 527 respectively, by
This, as shown in Figure 9 and Figure 10, the upper surface of support plate constituting portion 546 and the upper surface of support plate constituting portion 548
Upper surface along support plate 514 configures, the upper surface of support plate constituting portion 546 and the upper table of support plate constituting portion 548
The upper surface of face and support plate 514 is as the bearing-surface function of supporting wire rod 202.
[upper mold 570]
Upper mold 570 be between middle mold 510 and lower mold 540 wire gripper 202 to carry out the mould (portion of extrusion forming
Part).Specifically, as it is shown in figure 5, upper mold 570 has: frame-shaped parts 572, it is formed as rectangular frame-shaped；
Two clamping parts 576,578, they are for wire gripper 202 between support plate constituting portion 546,548；With
And connecting portion 580, it is used for connecting clamping part 576,578.
Clamping part 576 is arranged respectively at long side direction (Y-direction of Fig. 5) two ends of the inner circumferential of frame-shaped parts 572
Side, and fixing by screw threads for fastening etc. in the short side part of frame-shaped parts 572.Each clamping part 576 has pair of block portion
Part 576A, they clamp lower mold spool constituting portion 541 at the short side direction (X-direction of Fig. 5) of frame-shaped parts 572.
Pair of block parts 576A is fixed on the short side part of frame-shaped parts 572 via connecting member 576B.
Two clamping parts 578 are in the inner circumferential of frame-shaped parts 572, along long side direction (Fig. 5 of frame-shaped parts 572
Y-direction) be configured with between a pair clamping part 576 multiple.As it is shown in figure 9, each clamping part 578 have to
Two protuberance 578A that lower section is prominent, and be formed as U-shaped (U-shaped).Two protuberance 578A are in frame-shaped
Short side direction (X-direction of Fig. 5) the clamping lower mold spool constituting portion 543 of parts 572.Clamping part 578 leads to respectively
Cross screw threads for fastening etc. and be fixed on the lower surface of connecting portion 580.
Frame-shaped is fixed on via connecting member 576B in long side direction (Y-direction of Fig. 5) both ends of connecting portion 580
Parts 572.As shown in Figure 8, connecting portion 580 and the connecting member 516B's of the clamping part 516 of middle mold 510 is upper
Surface contacts.
In upper mold 570, by pressing mechanism (omitting diagram), connecting portion 580 is pressed to downside, thus, via
The clamping part 516 of middle mold 510 and clamping part 576,578 with support plate 514 and support plate constituting portion 546,548
Between clip wire rod 202 and pressurize.
Thus, the wire rod 202 of coiled type is compressed axially molding along spool 252A.Additionally, due to wire rod 202
Given device 240 by folding line and give folding line, thus axially produce expansion at creased portion along spool 252A, but institute
The dilation stating wire rod 202 is eliminated by compression forming.
Additionally, in winding mould 500, in support plate 514 and the support plate constituting portion of lower mold 540 of middle mold 510
546, it is provided with groove portion 258 between 548 and the clamping part 576,578 of the clamping part 516 of middle mold 510 and upper mold 570
(with reference to Fig. 8), groove portion 258 is wound in the wire rod 202 of spool 252A for storage.
<press-in roller 259>
As shown in Figure 4, coiler device 250 has three press-in rollers 259, and these three press-in roller 259 is for by wire rod
202 along the direction at a right angle with axial (the paper left and right directions of Fig. 5) of spool 252A (about the paper of Fig. 8
Direction) align and be pressed into groove portion 258(with reference to Fig. 8).
Each press-in roller 259 is supported by body (omitting diagram) via the leaf spring 257 as elastomeric element and supports, and by
The elastic force of leaf spring 257 is attached to spool 252A in the way of entering groove portion 258.Three press-in rollers 259 are configured to
From three directions, (being top, left, right in the diagram) contacts with spool 252A.
In coiler device 250, as shown in (A) of Fig. 4 and (B) of Fig. 4, even if along with rotary body
The rotation of 254, in the case of the direction change of winding mould 500, each press-in roller 259 is still by the bullet of leaf spring 257
Power and follow spool 252A, maintain the state that wire rod 202 is attached to spool 252A.
<limiting part 590>
As shown in figure 11, coiler device 250 has 4 limiting parts 590, they be used for limiting wire rod 202 to
The movement of periphery.The wire rod 202 of coiled type is being compressed axially molding along spool 252A by 4 limiting parts 590
Time use, when this compression forming, 4 limiting parts 590 are arranged in for limiting the wire rod 202 movement to periphery
Restriction site.
Specifically, limiting part 590 is arranged respectively at the wire rod 202 of support plate 514(coiled type) two minor faces
Side and two long sides.As shown in Fig. 8, Fig. 9 and Figure 10, limiting part 590 has insertion section 590A, and shape
Becoming side-looking (side section view) in L-shaped, insertion section 590A is inserted between frame-shaped parts 572 and support plate 514.
Insertion section 590A contacts with the periphery of the wire rod 202 of coiled type, thus limits the wire rod 202 movement to periphery.This
Outward, limiting part 590 is different from pressing component 700 described later, and it carrys out limiting coil with the state covering otch 520
The periphery of the wire rod 202 of shape.
<pressing component 700 and hold assembly 710>
As shown in Figure 13 and Figure 14, coiler device 250 has: a pair pressing component 700, they are to open otch
The periphery of the wire rod 202 of the mode pusher wire round of 520；And a pair hold assembly 710, make upper mold 570 from
After middle mold 510 is kept out of the way, at the support plate of described hold assembly 710 with middle mold 510 in the way of opening otch 520
The wire rod 202 of coiled type is clamped between 514.
Each pressing component 700 has: main body 702, and it is formed as overlooking the tabular in substantially L-shaped；And it is multiple
Press section 704,705, they are prominent to the wire rod 202 of coiled type from main body 702, and the wire rod of pusher wire round
The periphery of 202.Long leg at the L word of main body 702 divides, and press section 704 is to separate gap S1's along Y-direction
Mode configures.In the short side part of the L word of main body 702, press section 705 is to separate the side of gap S2 in X direction
Formula configures.This gap S1, S2 are arranged in otch 520 part of support plate 514.That is, press section 704 is not covered
Lid otch 520, in the way of opening otch 520, the periphery of wire rod 202 with coiled type contacts.
Gap S1 part in main body 702 is configured with the interim placing component 708 of comb shape, interim placing component 708
The end of ribbon supply 602 is placed temporarily.Interim placing component 708 is installed on main body 702.
Hold assembly 710 is arranged at the short side part of the L word of main body 702.This hold assembly 710 has: main body
712, it is formed as overlooking in U-shaped the tabular of (U-shaped)；And a pair press section 714, it is arranged at master
The terminal part of body 712.Main body 712 via hinge 716 so that the master of pressing component 700 can be installed in the way of swinging
Body 702.Press section 714 is from the wire rod 202 of upside pusher wire round, at the angle of press section 714 with support plate 514
Part 511(that falls is with reference to Fig. 5) between wire gripper 202.
(tape winding apparatus 600)
Additionally, coil manufacturing apparatus 200 possesses tape winding apparatus 600, make lower mold 540 and upper mold 570 from supporting
The middle mold 510 having the state of the wire rod 202 that the axial pressure along spool 252A molds keep out of the way after (with reference to Figure 14),
Tape winding apparatus 600 uses otch 520 will to be wound in the wire rod 202(of coiled type with 602 with reference to Figure 16).
As shown in figure 16, tape winding apparatus 600 has: band supply unit 610, and it is used for supplying band 602；Band pulls out
Portion 620, it is for pulling out the band 602 supplied by band supply unit 610 from band supply unit 610 further；Band cuts off
Portion 640, it is for cutting off the band 602 pulled out by band pulling unit 620；Band conveying unit 650, it will be for being cut by band
The band 602 that disconnected portion 640 cuts off transports to the wire rod 202 of coiled type；And tape wrapping portion 660(is with reference to Figure 19),
It for being wound in the wire rod 202 of coiled type by the band 602 transported by band conveying unit 650.
Additionally, tape winding apparatus 600 has: the 1st air supplying part 680, it is for supplying from band supply unit 610
Blow in the non-sticking veneer side (upper surface side of Figure 16) of the terminal part with 602；And the 2nd air supplying part 690,
It is used for the sticking veneer side (lower face side of Figure 16) to the band 602 pulled out by band pulling unit 620 to band conveying unit
650 blow.
Band supply unit 610 has: discoid core 612；It is wound in the band 602 of core 612；Ribbon supply 602
What non-sticking veneer was wrapping with is wrapping with roller 614；And for supplying two donor rollers 616,618 with 602.
In band supply unit 610, in the state contacted with the outer peripheral face of donor rollers 616,618 with the sticking veneer of 602
Under, donor rollers 616,618 rotates to a direction (clockwise direction of Figure 16), thus, will carry 602 to band
The right side of pulling unit 620(Figure 16) conveying.
Band pulling unit 620 and band conveying unit 650 are arranged opposite, and band pulling unit 620 is arranged in band conveying unit 650 times
Side.This band pulling unit 620 has: attachment roller 622, the terminal part attachment of its ribbon supply 602；Travel mechanism 630,
It is used for making attachment roller 622 move；And guide member 626, it moves by travel mechanism 630 for guiding
Attachment roller 622.
Specifically, travel mechanism 630 is made up of the cylinder with fixed part 630A and movable part 630B.Fixed part
630A is fixed on the position shown in Figure 16, and has length at the left and right directions of Figure 16.Movable part 630B is with energy
Enough modes moved along the length direction of fixed part 630A are arranged at fixed part 630A.
Attachment roller 622 is fixed on the terminal part of bar 630C, and bar 630C is can be arranged at movable part in the way of swinging
630B.Guide member 626 is made up of the guided plate at the axial two ends being arranged in attachment roller 622.At guide member 626
It is formed with elongated hole 626A, elongated hole 626A for guiding the axle portion 622A of attachment roller 622.Elongated hole 626A is at Figure 16
Left and right directions there is length, and bend at length direction both ends, guide with (band conveying unit 650 side) upward
Attachment roller 622.
Band conveying unit 650 has: housing 652, and it has holding face 652A；And multiple suction unit 654, they
It is configured at the inside of housing 652, for the non-sticking veneer with 602 is maintained at holding face 652A.Additionally, at this
In embodiment, face 652A is kept to be formed at the lower surface of housing 652.Additionally, in figure 16, it is illustrated that 4
Individual suction unit 654.
Suction unit 654 has at the suction port 654A keeping face 652A opening, attracts band by suction port 654A
602, thus band 602 is maintained at holding face 652A.
As being illustrated by the arrow B of Figure 18, by not shown travel mechanism, band conveying unit 650 can be
The top position of the top position (in the position shown in the left side of Figure 18) with pulling unit 620 and middle mold 510 (
Position shown in the right side of Figure 18) between in the horizontal direction (left and right directions) mobile.
Additionally, as shown in figure 19, the housing 652 of band conveying unit 650 can decline by drive division 658.Drive
Dynamic portion 658 is such as by using air pressure or the cylinder of hydraulic pressure, using the linear actuators of other element to constitute.
As shown in figure 16, band cutting portion 640 is arranged in band supply unit 610 and band conveying unit 650(band pulling unit 620)
Between.Band cutting portion 640 has: cutter 642；And opposed parts 644, it is opposed with cutter 642 joins
Put.
Cutter 642 is arranged in the sticking veneer side (downside of Figure 16) in the path relative to conveyer belt 602, sword towards
With 602 sides (upside of Figure 16).Further, cutter 642 moves to 602 sides (upside of Figure 16), by
This will band 602 cut-out.
Opposed parts 644 are formed as block (rectangular-shaped), and it is non-that it is configured at relative to the path of conveyer belt 602
Sticking veneer side (upside of Figure 16).The lower surface of opposed parts 644 is propping up of the non-sticking veneer for supporting strip 602
Bearing surface 644A.Additionally, be formed for, at bearing-surface 644A, the recess 644B that cutter 642 enters.
1st air supplying part 680 is arranged in relative to conveyer belt 602 between band cutting portion 640 and band conveying unit 650
The non-sticking veneer side (upside of Figure 16 and Figure 17) in path.As shown in figure 17, the air-supply of the 1st air supplying part 680
Mouthful 680A is towards with 602 sides (downside of Figure 17), and blows the non-sticking veneer side of the terminal part with 602.
Additionally, as shown in figure 16, the 2nd air supplying part 690 in the downside of guide member 626 along guide member 626
Length direction is configured with multiple.Additionally, in figure 16, it is illustrated that 5 the 2nd air supplying part 690.Each 2nd air-supply
The air outlet 690A in portion 690 towards the 652A side, holding face (upside of Figure 16) of housing 652, and to band 602
Sticking veneer side towards keep 652A side, face (upside of Figure 16) blow.
As shown in figure 19, tape wrapping portion 660 is such as standby above middle mold 510, and band conveying unit 650 from
Decline to middle mold 510 under the state kept out of the way in middle mold 510.Additionally, tape wrapping portion 660 has main body 664, main body
664 have three prominent downwards protuberances 662.Formed respectively between three protuberances 662 of main body 664
There is recess 663.Main body 664 is formed as E shape by three protuberances 662 and two recesses 663.
The protuberance 662 being configured at central authorities in three protuberances 662, is provided with cutter prominent downwards
668.As shown in (A) of Figure 20, being declined to middle mold 510 by tape wrapping portion 660, cutter 668 will be interim
The length direction central part of the band 602 being positioned over interim placing component 708 cuts off, thus band 602 is divided into two.
A pair wing flap 666 it is respectively arranged with in two recesses 663.Each wing flap 666 be accommodated in respectively be formed at prominent
In the accommodating groove 667 of the sidewall in portion 662.Additionally, each wing flap 666 is with can be in the storage being accommodated in accommodating groove 667
Position (by the position shown in solid line in (A) of Figure 19 and Figure 20) and for band 602 is attached at wire rod
The side swung between the sticking position (by the position shown in double dot dash line in (A) of Figure 19 and Figure 20) of 202
Formula is installed on each protuberance 662.
At reception position, downward, and the side of each wing flap 666 is positioned at along prominent the end of each wing flap 666
The position of the sidewall in portion 662.Additionally, at sticking position, the end of each wing flap 666 is towards horizontal direction.
Being formed with path 669 in main body 664, it is used for making each wing flap 666 by empty oscillating air pressure.By path 669
By Air blowing, wing flap 666 is thus made to move to sticking position, as shown in (B) of Figure 20, by cut-off device
The lower surface of the 668 each wire rods 202 being attached to the deep part being positioned at recess 663 with 602 separated.Additionally,
By when being attached at the lower surface of wire rod 202 with 602, a pair wing flap 666 alternately pendulum being arranged in each recess 663
Move sticking position.
(control portion)
As it is shown in figure 1, control portion 260 is according to the detection signal obtained by photo interrupter 226C, control wire rod
Drive motor 219, the driving motor 234 of carrying device 230, the folding line of supply unit 210 give device 240
Drive mechanism 248 and the driving motor 256 of coiler device 250.
Specifically, control portion 260 drives carrying roller 232 to rotate by the driving motor 234 of carrying device 230,
It has been transported computed carrier amount set in advance when going out wire rod 202 according to the detection signal detection from photo interrupter 226C
Time, make carrying roller 232 stop by driving motor 234.
Above-mentioned computed carrier amount set in advance is set as, the corner 252C's being wound in spool 252A of wire rod 202
Position stops at the position giving folding line in folding line gives device 240, i.e. stop at the corner 242C of block 242.
Additionally, the position of the corner 252C being wound in spool 252A of wire rod 202 includes: be directly wound in corner
The position of 252C and be wound in the position of corner 252C via wire rod 202.
Additionally, the driving of control portion 260 and carrying roller 232 is synchronously by the driving motor of wire rod supply unit 210
219 drive shuttle 212 to rotate.
Additionally, when carrying roller 232 stops, control portion 260 gives the driving machine of device 240 by folding line
Structure 248 makes the attached roller of pressure 246 move to opposed locations from retreating position, thus gives folding line to wire rod 202, and makes pressure
Attached roller 246 moves to retreating position from opposed locations and stops.
Additionally, control portion 260 is according to the detection signal from photo interrupter 226C, by driving motor 256
Make spool 252A rotate, thus make the wire rod 202 imparting folding line by folding line imparting device 240 compose at folding line
Give, under state lax between device 240 and coiler device 250, wire rod 202 is wound in spool 252A.Specifically,
Give device 240(block 242 when exceeding from folding line) to coiler device 250(spool 252A) path distance
Amount when being transported to give device 240 position by conveyance direction downstream than folding line, spool 252A starts to rotate,
Spool 252A is to be transported to give the device 240 computed carrier amount by the position in conveyance direction downstream and spool than folding line
The mode that winding amount that 252A is wound is identical rotates.
Additionally, control portion 260 controls the driving in each portion of tape winding apparatus 600.
Additionally, as manufactured by the coil manufacturing apparatus of present embodiment manufacture thing load coil be for
The coil of sensing heating, described sensing heating is that the principle utilizing electromagnetic induction heats.As sensing heater wire
That encloses makes use-case, describes the fixing device employing load coil later.
[employing the manufacture method of the load coil of coil manufacturing apparatus 200]
Then, the manufacture method (manufacturing process) of the load coil employing coil manufacturing apparatus 200 is carried out
Explanation.
(preparatory process)
First, above-mentioned coil manufacturing apparatus 200 is prepared.
(molding procedure)
Then, in coil manufacturing apparatus 200, as it is shown in figure 1, supplied by the shuttle 212 of wire rod supply unit 210
Wire rod 202 by the carrying roller 232 of carrying device 230 to folding line give device 240 transport.
Now, wire rod 202 is clamped by 4 carrying rollers 232 and compresses, and is thus removed while being molded into tetragon
Send (with reference to Fig. 2).That is, wire rod 202 is shaped to cross section by the compression in advance before being endowed folding line is four
Limit shape.
(folding line imparting operation)
When the position of the corner 252C being wound in spool 252A of wire rod 202 is positioned at the position of the corner 242C of block 242
When putting, stop the conveyance of wire rod 202.
As shown in (A) of Fig. 3, wire rod 202 is pressed roller 244 and presses on the 1st 242A, wire rod 202
Attached roller 246 is pressed at the position leant out to the 2nd 242B side (being right side at (A) of Fig. 3) from the 1st 242A
It is attached to the 2nd 242B((B) with reference to Fig. 3), thus, give along the 1st 242A and the 2nd 242B
Between the folding line of corner 242C, wherein, the attached roller of described pressure 246 by the rotation of cam 248B from keeping out of the way position
Put and move to opposed locations.
Thus, wire rod 202 is given folding line in advance in the position of the corner 252C being wound in spool 252A.
(rolling step)
Then, the wire rod 202 having been assigned folding line is transported to coiler device 250, and is wound in spool 252A,
Spool 252A is the state that the inner peripheral portion 522,523 of otch 520 is filled by lower mold spool constituting portion 541,543.
Now, winding mould 500 becomes the state (with reference to Fig. 6) that lower mold 540 and upper mold 570 combine relative to middle mold 510.
Additionally, in this rolling step, be endowed the wire rod 202 of folding line in folding line gives operation to give at folding line
Device 240(block 242) and coiler device 250(spool 252A) between lax state be wound.
(extrusion forming operation)
Then, by pressing mechanism (omitting diagram), the connecting portion 580 of upper mold 570 is pressed to downside, thus,
The wire rod 202 of coiled type is clamped in the clamping part 576,578 of the clamping part 516 of middle mold 510 and upper mold 570 with
Between the support plate 514 of middle mold 510 and the support plate constituting portion 546,548 of lower mold 540 and (the reference that carries out pressurizeing
Fig. 5).Thus, wire rod 202 being compressed axially and molding along spool 252A of coiled type is made.
Additionally, carry out this extrusion forming operation when following: as shown in figure 11, four limiting parts 590
It is arranged respectively at two minor faces of support plate 514 and two long limits, and as shown in Fig. 8, Fig. 9 and Figure 10, limit
The insertion section 590A of parts 590 processed contacts with the periphery of the wire rod 202 of coiled type, thus limit wire rod 202 to
The movement of periphery.
Additionally, wire rod 202 only has the part of the folding line being endowed in folding line gives operation compared to other parts along figure
The paper fore-and-aft direction of 3 highlights, but this protuberance is compressed into type by this extrusion forming operation and eliminates.
(upper mold keeps out of the way operation)
After extrusion forming operation, as shown in figure 12, make upper mold 570 from the wire rod 202 being supported with coiled type
The middle mold 510 of state is moved upward, thus keeps out of the way from middle mold 510.
(pressing process)
Then, as shown in figure 13, a pair pressing component 700 is made to move on the support plate 514 of middle mold 510, with
Do not cover otch 520 and open the mode periphery by the wire rod 202 of press section 704 pusher wire round of otch 520.
(clamping operation)
Then, as shown in figure 13, make the main body 702 relative to pressing component 700 in the shape that stands up by hinge 716
The hold assembly 710 of state rotates and fell.Thus, by the press section 714 of hold assembly 710 from upside pusher wire
The wire rod 202 of round, thus by do not cover otch 520 and in press section 714 and supporting in the way of open otch 520
The corner portion 511(of plate 514 is with reference to Fig. 5) between wire gripper 202.
(lower mold keeps out of the way operation)
Then, lower mold 540 is made to move downwards from the middle mold 510 of the state of the wire rod 202 being supported with coiled type, as
Shown in Figure 14, lower mold 540 is made to keep out of the way from middle mold 510.Additionally, now, the wire rod 202 of coiled type becomes winding
In the state (state contacted with middle mold spool constituting portion 513) of the spool 252A of middle mold 510, and become clamping
State between the clamping part 516 and support plate 514 of middle mold 510.
(tape wrapping operation)
Then, utilize otch 520, will be wound in, with 602, the line supported by middle mold 510 by tape winding apparatus 600
The wire rod 202 of round.Tape wrapping operation is carried out the most in the following manner.
As shown in figure 16, in tape winding apparatus 600, supply band 602 from band supply unit 610.As shown in figure 17,
The non-sticking veneer (upper surface) of the terminal part of the band 602 of this supply is blown by the 1st air supplying part 680.Thus,
Even if (with reference to the double dot dash line of Figure 17) in the case of the terminal part with 602 crimps, still being able to make the end of band 602
The holding face 652A of housing 652 is slipped in end.
Then, attachment roller 622 is moved upward (reference arrow A) from downside, thus adheres to roller 622 and will carry 602
It is clamped in it and keeps between the 652A of face, making the sticking veneer of band 602 be attached to adhere to roller 622.
By travel mechanism 630 make to be attached with 602 attachment roller 622 along guide member 626 elongated hole 626A from
The left side of Figure 16 is moved to the right.Attachment roller 622 is guided by elongated hole 626A, thus, be attached to carry 602 it
After from keeping face 652A to leave downwards, the lower position at the holding face of leaving 652A is keeping under the 652A of face
Fang Yidong, then to keeping 652A side, face (upside) mobile.
Then, suction unit 654 attracts the non-sticking veneer with 602, and band 602 is maintained at holding face 652A.Now,
Blown in sticking veneer side with 602 by multiple 2nd air supplying part 690.Thus, band 602 is made effectively to contact holding
Face 652A, and band 602 is held in holding face 652A well.
In addition it is also possible to be: the state of holding face 652A will be held in 602 from the attraction by suction unit 654
Rise, temporarily cease the attraction of suction unit 654 and carry out air release (liberation greatly), following closely, by attraction
Portion 654 attracts to carry 602, and band 602 is held in holding face 652A again.
So, make band 602 become again inhale after state freely the attraction of suction unit 654 is temporarily ceased
Draw, thus, carry out flexure or the distortion of cancellation band 602 by the stiffness with 602.Thus, 602 will be carried with straight
State be maintained at holding face 652A.
Then, as shown in figure 18, maintain the band conveying unit 650 with 602 and move to be supported with the wire rod of coiled type
The top position of the middle mold 510 of 202.
Then, as shown in figure 19, housing 652 declines, and makes the attraction of suction unit 654 stop, thus, and will
End with 602 is positioned over interim placing component 708 temporarily.
Then, as shown in (A) of Figure 20, tape wrapping portion 660 declines to middle mold 510, by tape wrapping portion 660
Cutter 668 will band 602 between wire rod 202 cut off.
Then, as shown in (B) of Figure 20, tape wrapping portion 660 declines to middle mold 510 further, makes wire rod 202
It is positioned at the deep part of two recesses 663, makes a pair wing flap 666 alternatively swinging being arranged in each recess 663 to patch
Attached position, so that with 602 lower surfaces being attached at wire rod 202.So, band 602 is wound in wire rod 202
Long leg divide 202N(with reference to Figure 15).Additionally, such as the manual work by operating personnel will band 602 winding
Short side part 202T in wire rod 202.
Above, in coil manufacturing apparatus 200, load coil has been manufactured.In the load coil produced,
Owing to being wound with band 602 at wire rod 202, therefore when this coil is compressed axially along it further or after being installed on
During the fixing device 100 stated, it is suppressed that situation about scattering when transporting this coil.
Here, in the structure of present embodiment, at the wire rod 202 of coiled type by the support plate 514 of middle mold 510
Under the state of supporting, band 602 is wound in this wire rod 202, therefore, incites somebody to action with when wire rod 202 is not supported by
Compare with 602 situations (comparative example) being wound in wire rod 202, be wound in spool 252A and pressurized maintaining
While the shape of the wire rod 202 of molding, band 602 is wound in wire rod 202.
Additionally, according to the structure of present embodiment, the state being wound in spool 252A at wire rod 202 (is rolled up with middle mold
Axle constituting portion 513 contact state) under band 602 is wound in this wire rod 202, therefore, do not have with middle mold 510
The situation (comparative example) of spool 252A is compared, to limit the wire rod being wound in spool 252A compressed molding
Band 602 is wound in wire rod 202 by 202 states scattered to inner circumferential side.
Additionally, according to the structure of present embodiment, wire rod 202 is being held on clamping part 516 and support plate 514
Between state under band 602 is wound in wire rod 202, therefore, with the situation that middle mold 510 does not have clamping part 516
(comparative example) is compared, and scatters to axial side limiting the wire rod 202 being wound in spool 252A compressed molding
State band 602 is wound in wire rod 202.
Additionally, according to the structure of present embodiment, after making upper mold 570 keep out of the way, so that wire rod 202 is clamped in clamping
Band 602 is wound in wire rod 202 by the state between parts 710 and support plate 514, therefore, and does not has clamping part
The situation (comparative example) of part 710 is compared, even if after upper mold 570 is kept out of the way, still to limit wire rod 202 to axially
Band 602 is wound in wire rod 202 by the state scattered in side.
Additionally, according to the structure of present embodiment, when the periphery of wire rod 202 is pressed parts 700 pressing
Band 602 is wound in wire rod 202, therefore, compared with the situation (comparative example) without pressing component 700, with
Limit the state that wire rod 202 scatters to its outer circumferential side and band 602 is wound in wire rod 202.
[structure of fixing device 100]
Then, application is had the fixing device 100 of the load coil produced by coil manufacturing apparatus 200
Structure illustrate.This fixing device 100 is such as the image processing system of electro photography.Figure 21 is to show
Go out the sectional view of the structure of fixing device 100.
As shown in figure 21, fixing device 100 possesses housing 106, and housing 106 is formed for carrying out record medium P
Into or out opening.Be provided with ring-type fixing band 102 in the inner side of housing 106, fixing band 102 is propped up
Hold as rotating to a direction (the arrow D direction in Figure 21).
The shuttle 108 being made up of Ins. ulative material it is configured with in the position opposed with the outer peripheral face of fixing band 102.Shuttle
108 are formed as copying the substantially arc-shaped of the outer peripheral face of fixing band 102, at shuttle 108 towards the phase of fixing band 102
Tossing about, (upside of Figure 21) is projecting protuberance 108A.
The protuberance 108A of shuttle 108 overlook time (from upper side observe) be rectangle, its with record medium P
The orthogonal width of conveyance direction be long limit.It is wound with multi-turn magnet exciting coil 110, excitation at this protuberance 108A
Coil 110 produces magnetic field H due to energising.Specifically, magnet exciting coil 110 is with the conveyance direction at record medium P
(left and right directions of Figure 21) forms shorter minor face and in the width side orthogonal with the conveyance direction of record medium P
Form the mode on longer long limit to (depth direction of the paper of Figure 21) to be wound into vertical view and be rectangle.This excitation
Coil 110 is equivalent to as the load coil manufacturing thing produced by coil manufacturing apparatus 200.
It is configured with becoming opposition side (upside of Figure 21) and the position opposed with magnet exciting coil 110 with fixing band 102
Magnetic path formation member 112, magnetic path formation member 112 is supported by shuttle 108, its copy shuttle 108 arc-shaped and
It is shaped generally as arc-shaped, and is made up of magnetics such as ferrites.
As shown in figure 22, magnetic path formation member 112 is configured with multiple along the width of fixing band 102, they quilts
Holding member 113 keeps, and holding member 113 is arranged along the width of fixing band 102, is made up of nonmagnetic material.
Additionally, magnetic path formation member 112 at the long side direction central part of holding member 113 to configure at equal intervals, in long limit side
Configure in the way of reducing interval or contact to both ends.By configuring magnetic path formation member 112 by this way, come
Adjust the distribution of the magnetic field H of the width of fixing band 102.
Here, as shown in figure 23, (Figure 23's is upper laterally from inner side (downside of Figure 23) for fixing band 102
Side) it is made up of basic unit 130, heating layer 132, protective layer 134, elastic layer 136 and release layer 138, they
It is laminated and is integrated.
Basic unit 130 is the substrate (basic) of the intensity for keeping fixing band 102, and it is such as made up of polyimides.
Additionally, for basic unit 130, in addition to using the such resin of polyimides, it is also possible to use by ferrum, nickel, silicon,
The metal soft magnetic materials that the metals such as boron, niobium, copper, zirconium, cobalt or their alloy are constituted.
Heating layer 132 is made up of metal material, and this metal material offsets described magnetic field H by flowing through vortex flow to produce
The electromagnetic induction effect in magnetic field and generate heat.Additionally, in order to the magnetic flux making magnetic field H is through, need to make heating layer 132
It is configured to thinner than so-called skin depth.Here, as heating layer 132, such as use gold, silver, copper, aluminum,
Zinc, stannum, lead, bismuth, beryllium, antimony or the metal material of their alloy.
For protective layer 134, use mechanical strength repetition deformation behavior higher than heating layer 132, anti-strong and antirust and
The material that corrosion resistance is strong.
For elastic layer 136, from the viewpoint of obtaining outstanding elasticity and thermostability etc., use silicon system rubber or fluorine
It is rubber.
Release layer 138 is set to, for making release layer 138 and the toner T(reference dissolved on record medium P
Cohesive force between Figure 21) weakens, so that record medium P easily strips down from fixing band 102.In order to obtain
Obtain outstanding surface release property, use fluororesin, silicones or polyimide resin to be used as release layer 138.
On the other hand, as shown in figure 21, the pillar 114 of the prism-shaped being made up of the aluminum as nonmagnetic material is with fixing
Width with 102 is the inner side that long side direction is configured at fixing band 102 non-contactly, and the two ends of pillar 114 are solid
It is scheduled on the housing 106 of fixing device 100.Pillar 114 is formed with recess 114A at bottom surface side along long side direction,
Recess 114A is fixed with the pressing pad 116 that resin is made, and pressing pad 116 is used for fixing band 102 to preset
Pressure press laterally.Pressing pad 116 is constituted by having resilient parts, and one end is interior with fixing band 102
Circumferential contact, and fixing band 102 outward direction is pressed.
Additionally, in the inner side of fixing band 102 and above pillar 114, in the way of opposed with magnet exciting coil 110
It is provided with the heater 118 being formed as arc-shaped.
Heater 118 is the parts of the substantially semi-circular cylindrical with the width of fixing band 102 as long side direction, and it is joined
It is set to surface contact with the inner surface of fixing band 102.Additionally, heater 118 is made up of iron-based alloy, it is at magnetic circuit
Formed and between parts 112 and heater 118, form the closed magnetic path produced by described magnetic field H, and due to magnetic field H
Electromagnetic induction effect and generate heat.
In the position set in advance of long side direction of heater 118 and it is respectively mounted at the circumferential both ends of inner circumferential side
One end of two supporting parts 122, supporting parts 122 is had to be formed with the support of substantially L-shaped.
As shown in figure 24, the control circuit 142 of inside in control portion it is arranged at via distribution 144 and power-on circuit 146
It is connected.Power-on circuit 146 is connected with described magnet exciting coil 110 via distribution 148,150.
Here, control circuit 142 drives power-on circuit 146 to be energized magnet exciting coil 110, thus produces conduct
The magnetic field H(of magnetic circuit is with reference to Figure 21).Power-on circuit 146 drives according to the signal of telecommunication sent here from control circuit 142
Dynamic or stopping drives, and supplies via 148,150 pairs of magnet exciting coils 110 of distribution or stop supplying frequency set in advance
The alternating current of rate.
On the other hand, as shown in figure 21, it is configured with backer roll 104 in the position opposed with the outer peripheral face of fixing band 102,
Backer roll 104 is for pressurizeing to pressing pad 116 to fixing band 102, and backer roll 104 is by by not shown electricity
The drive mechanism that motivation and gear are constituted rotates to arrow E direction.
Backer roll 104 is configured to, and is coated with silica gel or PFA around the arbor 105 being made up of metals such as aluminum
(Polyfluoroalkoxy, tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer).Here, backer roll 104 is right
Fixing band 102 pressurizes to pressing pad 116 side, at the contact site (nip portion) of fixing band 102 and backer roll 104,
Fixing band 102 becomes the state to inner side depression.
Being shaped as of this nip portion, shells to from fixing band 102 when the record medium P being placed with toner T passes through
From direction bending shape.Therefore, the record medium P moved from arrow IN direction enduring with all one's will by himself
Degree copies the shape of nip portion to discharge to arrow OUT direction.
Then, the fixing action to fixing device 100 illustrates.
At fixing device 100, control portion (omitting diagram) drive not shown driving motor, make backer roll 104
Rotate to arrow E direction, thus fixing band 102 is to the driven rotation in arrow D direction.Now, according to from control
The signal of telecommunication of circuit 142 drives power-on circuit 146, thus supplies alternating current to magnet exciting coil 110.
When supplying alternating current to magnet exciting coil 110, as the magnetic field H of magnetic circuit around magnet exciting coil 110
Repeat to produce and disappear.Further, when magnetic field H passes across the heating layer 132 of fixing band 102, at heating layer 132
Produce vortex flow, thus produce the magnetic field hindering magnetic field H change.Heating layer 132 is electric with the epidermis of heating layer 132
Resistance and flow through the generating heat with being in proportion of vortex flow of heating layer 132, thus heating fixing band 102.
Additionally, similarly, by the electromagnetic induction effect of magnetic field H, heater 118 generates heat, thus heats fixing
Band 102.So, heating layer 132 and heater 118 are heated by same magnet exciting coil 110.
It is sent to fixing band 102 and backer roll 104 heating pressing that the record medium P of fixing device 100 has been heated,
Thus by toner image in record medium P surface.Further, by the record medium P after fixing from housing 106
Discharge.
The invention is not restricted to above-mentioned embodiment, it is possible to carry out various deformation, change and improve.
Claims (10)
1. a manufacture device for load coil, it possesses:
1st mould, the wire rod being wound in spool supports by it in the axial end side of this wire rod, and along from this
The outer circumferential side of wire rod is formed with otch towards the direction of inner circumferential side；
2nd mould, it is used for filling described otch；
3rd mould, it clamps described wire rod between described 1st mould and described 2nd mould and carries out adding being pressed into
Type；And
Tape winding apparatus, makes described 2nd mould and the shape of described 3rd mould wire rod after being supported with extrusion forming
After described 1st mould of state is kept out of the way, described tape winding apparatus utilizes described otch by tape wrapping in described wire rod.
The manufacture device of load coil the most according to claim 1,
Described 1st mould has:
Described spool, it is formed with the inner peripheral portion of described otch, and this inner peripheral portion is arranged in the inner circumferential side of described wire rod；
And
Support, it is arranged at the axial end side of described spool, and is formed with inner peripheral portion described in the ratio of described otch
The part of outer circumferential side side, described wire rod is supported by described support in the axial end side of this wire rod.
The manufacture device of load coil the most according to claim 2,
Described 1st mould has clamping part, described clamping part by can along described axially displaced in the way of be arranged at described
Another side axial of spool, clamps described wire rod between described clamping part and described support,
Described wire rod is clamped between the 3rd mould and described support also by described 3rd mould via described clamping part
Pressurize.
4. according to the manufacture device of the load coil described in any one in claims 1 to 3,
The manufacture device of described load coil possesses hold assembly, makes described 3rd mould from described 1st mould
After keeping out of the way, in the way of open described otch, described wire rod is clamped in described hold assembly and described 1st mould it
Between.
5. according to the manufacture device of the load coil described in any one in claims 1 to 3,
The manufacture device of described load coil possesses pressing component, and this pressing component is in the way of open described otch
Press the periphery of described wire rod.
The manufacture device of load coil the most according to claim 4,
The manufacture device of described load coil possesses pressing component, and this pressing component is in the way of open described otch
Press the periphery of described wire rod.
7. a manufacture method for load coil, comprising:
Preparatory process, in described preparatory process, prepares the heating of the sensing described in any one in claim 1～6
The manufacture device of coil；
Rolling step, in described rolling step, is around in described spool by wire coil；
Extrusion forming operation, in described extrusion forming operation, is clamped in described by the wire rod being wound in described spool
Extrusion forming is carried out between 1 mould and described 2nd mould and described 3rd mould；
Keep out of the way operation, keep out of the way in operation described, after described extrusion forming operation, make described 2nd mould and described
3rd mould is kept out of the way from described 1st mould of the state being supported with described wire rod；And
Tape wrapping operation, in described tape wrapping operation, described keep out of the way operation after, utilize described otch, by institute
State tape winding apparatus by tape wrapping in the wire rod by described 1st mould supporting.
The manufacture method of load coil the most according to claim 7,
In described preparatory process, the manufacture device of preparation load coil described in claim 4,
The manufacture method of described load coil includes clamping operation, in described clamping operation, is pressed in described adding
After making described 3rd mould keep out of the way after type operation and before described tape wrapping operation, by described hold assembly to open
Described wire rod is clamped between described hold assembly and described 1st mould by the mode putting described otch.
The manufacture method of load coil the most according to claim 7,
In described preparatory process, the manufacture device of preparation load coil described in claim 5,
The manufacture method of described load coil includes pressing process, in described pressing process, in described winding work
After sequence and before described tape wrapping operation, press described in the way of open described otch by described pressing component
The periphery of wire rod.
The manufacture method of load coil the most according to claim 7,
In described preparatory process, the manufacture device of preparation load coil described in claim 6,
The manufacture method of described load coil includes:
Clamping operation, in described clamping operation, after making described 3rd mould keep out of the way after described extrusion forming operation,
And before described tape wrapping operation, described wire rod is clamped in the way of open described otch by described hold assembly
Between described hold assembly and described 1st mould；With
Pressing process, in described pressing process, after described rolling step and before described tape wrapping operation,
In the way of open described otch, the periphery of described wire rod is pressed by described pressing component.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012272566A JP5293876B1 (en) | 2012-12-13 | 2012-12-13 | Induction heating coil manufacturing apparatus and induction heating coil manufacturing method |
| JP2012-272566 | 2012-12-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103874255A CN103874255A (en) | 2014-06-18 |
| CN103874255B true CN103874255B (en) | 2016-11-30 |
Family
ID=
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059063A (en) * | 1991-08-29 | 1992-02-26 | 陈喜文 | Induction heater |
| CN102378427A (en) * | 2010-08-11 | 2012-03-14 | 富士施乐株式会社 | Induction heating coil manufacturing apparatus and induction heating coil manufacturing method |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059063A (en) * | 1991-08-29 | 1992-02-26 | 陈喜文 | Induction heater |
| CN102378427A (en) * | 2010-08-11 | 2012-03-14 | 富士施乐株式会社 | Induction heating coil manufacturing apparatus and induction heating coil manufacturing method |
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