CN102843004B - Winding device and method of armature winding - Google Patents
Winding device and method of armature winding Download PDFInfo
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- CN102843004B CN102843004B CN201210344049.XA CN201210344049A CN102843004B CN 102843004 B CN102843004 B CN 102843004B CN 201210344049 A CN201210344049 A CN 201210344049A CN 102843004 B CN102843004 B CN 102843004B
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Abstract
A winding device of an armature winding is provided with a support frame. A left fixed axle and a right shifting axle are arranged on the support frame; a left wire pressing device is sleeved on the left fixed axle; a left rotational head is installed at the end of the left fixed axle; a right wire pressing device is sleeved on the right shifting axle; a right rotational head is installed at the end of the right shifting axle; the left rotational head and the right rotational head share the same diameter as an armature, and are provided with wire fastening grooves thereon with consistent width with a groove on the armature. The technical scheme disclosed by the invention has the beneficial effects that full automatic mechanical control is adopted for winding; the time required is short and the production efficiency is high; corresponding pressing treatment is conducted for each winding; the external force required for the pressing maintains balanced, so that the winding is tight and uniform; after the termination of the winding, the exposed conductor connectors have the same length, thus subsequent operations are convenient. The force applied for the winding is uniform, thus material cutting during post-welding is avoided and the material is saved.
Description
Technical field
The present invention relates to armature coiling field, particularly relate to a kind of Winder of armature winding, and adopt the method for this Winder coiling.
Background technology
Armature winding is connected to form according to certain rules by the armature coil of some, is the circuit part of motor, is also induced electromotive force, produces the part that electromagnetic torque carries out energy converting between mechanical.Coil is coiled into by the circle of insulation or the wire of square-section, divides upper and lower four layers and embeds in armature core groove, all will properly insulate, and compress with slot wedge between levels and coil and armature core.The end of large-size machine armature winding is tightly pricked on winding support conventionally.While adopting existing method for winding to wind the line, the equilibrium of coiling angle and strength, causes after coiling, and the terminal exposing is uneven, and wire may exist the situation that can not compress, and follow-up welding sequence is caused to very large impact, and has caused waste.
Summary of the invention
Unresolved above-mentioned technical problem, the object of this invention is to provide a kind of winding efficiency high, the Winder of the armature winding that precision is high, and the method that adopts the Winder of this armature winding to wind the line.
For achieving the above object, technical scheme provided by the invention is as follows:
A Winder for armature winding, has bracing frame, is provided with left fixed shaft and the moving axis that moves to right on support frame as described above;
On described left fixed shaft, be set with left cord grip, and end is provided with left-handed rotary head;
On the described moving axis that moves to right, be set with right cord grip, and end is provided with dextrorotation rotary head;
Described left-handed rotary head is identical with armature with dextrorotation rotary head diameter, and has the cable clamping interface consistent with width of rebate on armature above.
Further, be also provided with clamping device on described left fixed shaft, described clamping device is connected with clamping cylinder.
Further, described left-handed rotary head is connected with anticlockwise drive unit, and described dextrorotation rotary head is connected with right rotation drive unit.
Further, described right cord grip is connected with the platform that moves right, described in the platform that moves right connect right worm screw, described right worm screw connects right servomotor;
Further, described left cord grip is connected with and moves left platform, described in move left platform and connect left worm screw, described left worm screw connects left servomotor;
Further; described left cord grip and right cord grip comprise the body with conical nose; limit pull rod; compression strip group and spring; described compression strip group front end is provided with the slope of matching with conical nose; and compression strip group top is provided with spring fixed block; on described spring fixed block, be connected with spring; the other end of described spring is connected on body; protective sleeve is equipped with in described spring fixed block end; protective sleeve is also connected with limit pull rod, and in described compression strip group, the width of each compression strip and armature notch adapt.
Further, the described limit pull rod other end is provided with stop nut..
Further, described conical nose is provided with groove, and described groove is corresponding with armature notch.
A method for winding for armature winding, comprises following steps:
Step 1) provides the Winder of the armature winding described in claim 1-8;
Step 2) will treat in one end of wire embeds armature and commutation tank (as shown in Figure 7), and this armature is arranged on to one end of the left-handed rotary head of left fixed shaft, make wire corresponding with the cable clamping interface in left-handed rotary head, with clamping device, clamp;
The step 3) moving axis that moves to right moves to left, and presses closer armature to the dextrorotation rotary head of end;
The right cord grip of step 4) moves to left, to the left end of right cord grip and the left justify of armature core;
The compression strip of the right cord grip of step 5) presses down, and wire is pressed in armature slot;
N notch of the left-handed rotary head of step 6) rotation, wire is with N notch of left-handed rotary head rotation, and the while is along with right cord grip moves to right, and the compression strip group of right cord grip is lifted on slowly;
The left cord grip of step 7) moves to right, to the right-hand member of left cord grip and the right-hand justified of armature core;
The compression strip of the left cord grip of step 8) presses down, and wire is pressed in armature slot;
N notch of step 9) dextrorotation rotary head rotation, wire is with N notch of dextrorotation rotary head rotation, and the while is along with left cord grip moves to left, and the compression strip group of left cord grip is lifted on slowly;
Step 10) repeating step 4) to step 9).
Further, also comprise step 11): after having wound the line, open clamping device, take off armature.
Adopt technique scheme, beneficial effect of the present invention has:
(1) adopt full automatic machinery to control and wind the line, the time needing is short, and production efficiency is high;
(2) often around all carrying out corresponding compression once, process, and compress external force used and keep in balance, coiling is wound around closely and evenly, after coiling finishes, the terminal length of exposing is consistent, subsequent operation is convenient.
(3) coiling firmly evenly, the conservation such as cuts while avoiding the later stage to weld.
(4) through electric machine winding device of the present invention, because the arrangements of conductors consistency of embedding armature is high, make the rotating speed of motor output, the good stability of torque, noise is extremely low simultaneously, and be greatly improved useful life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 A, 2B is anticlockwise header structure schematic diagram of the present invention;
Fig. 3 A, 3B is right rotation header structure schematic diagram of the present invention
Fig. 4, Fig. 5, Fig. 6 is the left cord grip structural representation of the present invention;
Fig. 7 is the right cord grip structural representation of the present invention;
Fig. 8 is left fixed shaft right-hand member structural representation;
Fig. 9 rotor structure schematic diagram;
Figure 10 is armature cutaway view;
Figure 11 is method for winding flow chart;
Figure 12 is the rotor structure schematic diagram of dress wire;
Figure 13 is wire shape;
Figure 14 is that rotor (armature) is arranged on the structure chart on left fixed shaft;
Figure 15 is one embodiment of the invention schematic diagram;
Figure 16 is further embodiment of this invention schematic diagram;
Figure 17 a to Figure 18 c is further embodiment of this invention schematic diagram.
Wherein: 1 bracing frame, 11 move left platform, 12 platforms that move right, 13 left worm screws, 14 right worm screws, 21 left fixed shafts, 22 moving axis that move to right, 221 cylinders that move right, 31 left cord grips, 311 left servomotors, 32 right cord grips, 321 right servomotors, 33 conical noses, 34 compression strip groups, 35 springs, 36 slopes, 37 spring fixed blocks, 38 compression strip guide grooves, 39 protective sleeves, 41 left-handed rotary heads, 42 dextrorotation rotary heads, 43 left limit pull bars, 44 right limit pull bars, 45 stop nuts, 5 notches, 55 enamelled wires, 56 axles, 57 armature plates, 58 commutators, 6 cable clamping interfaces, 7 clamping devices, 71 clamping cylinders, 81 anticlockwise drive units, 82 right rotation drive units, 9 grooves.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is structural representation of the present invention, and as shown in Figure 1, a kind of Winder of armature winding, has bracing frame 1, is provided with left fixed shaft 21 and the moving axis 22 that moves to right on support frame as described above 1, on described left fixed shaft 21, be set with left cord grip 31, and end is provided with left-handed rotary head 41(as shown in Figure 8), on the described moving axis 22 that moves to right, be set with right cord grip 32, and end is provided with dextrorotation rotary head 42, described left-handed rotary head 41 is identical with armature with dextrorotation rotary head 42 diameters, and there is the cable clamping interface 6 consistent with notch 5 width on armature above, on described left fixed shaft 21, be also provided with clamping device 7, described clamping device is connected with clamping cylinder 71, be used for clamping armature spindle 56, described left-handed rotary head 41 is connected with anticlockwise drive unit 81, and described dextrorotation rotary head 42 is connected with right rotation drive unit 82, described right cord grip 32 is connected with the platform 12 that moves right, described in move right platform 12 connect right worm screw 14, described right worm screw 14 connects right servomotor 321, described left cord grip 31 is connected with and moves left platform 11, described in move left platform 11 and connect left worm screw 13, described left worm screw 13 connects left servomotor 311, described left cord grip 31 and right cord grip 32 comprise the body with conical nose 33, left, right limit pull bar 43, 44, compression strip group 34 and spring 35, described compression strip group 34 front ends are provided with the slope 36 of matching with conical nose 33, and compression strip group 34 tops are provided with spring fixed block 37, on described spring fixed block 37, be connected with spring 35, the other end of described spring 35 is connected on body, on described body, be also connected with respectively the corresponding left cord grip of left limit pull bar 43() and the corresponding right cord grip of right limit pull bar 44(), in described compression strip group 34, the width of each compression strip and armature notch 5 adapt, the described limit pull rod other end is provided with stop nut 45.
Fig. 2 A, 2B is anticlockwise header structure schematic diagram of the present invention, Fig. 3 A, 3B is right rotation header structure schematic diagram of the present invention, as Fig. 2 A, 2B, 3A, shown in 3B, the external diameter of left-handed rotary head 41 and dextrorotation rotary head 42 is identical with armature diameter, left-handed rotary head and dextrorotation rotary head have cable clamping interface 6, described cable clamping interface 6 lays respectively at the right-hand member of left-handed rotary head 41 and the left end of dextrorotation rotary head 42, for fence-shaped one side structure for edge from being blunt, the width of cable clamping interface 6 is identical with the width of notch on armature 5, be that cable clamping interface 6 can be spliced into an elongated slot with the notch 5 on armature, cable clamping interface 6 is the fixing wire extending out from the notch 5 of armature plate when winding the line, when left/right swivel head rotates, because armature plate does not turn, can drive wire in armature one side bending.
Fig. 4, Fig. 5, Fig. 6 is a kind of left cord grip structural representation of the present invention, Fig. 7 is a kind of right cord grip structural representation of the present invention, as Fig. 4, 5, 6, shown in 7, left cord grip 31 and right cord grip 32 comprise the body with conical nose 33, compression strip group 34 and spring 35, described compression strip group front end has the slope 36 of matching with conical nose 33, top is provided with spring fixed block 37, described spring fixed block 37 is connected with spring 35, spring 35 other ends are connected on body, on described body, be provided with compression strip guide groove 38, be used for laying compression strip group 34, described compression strip group 34 dependence move left platform 11 and the platform 12 that moves right moves, spring 35 extruding is forced to compression strip 34 is stressed compresses wire, the width of described compression strip group 34 and armature notch 5 adapt, the body of described left cord grip 31 with move left platform 11 and be connected, the body of described right cord grip 32 is connected with the platform 12 that moves right, conical nose 33 is also provided with the groove corresponding with armature notch 5 10, when coiling, wire is had to a guiding function.
During coiling; left/right cord grip moves to correct position; wire is tentatively pressed in the notch of armature; then left/right servomotor drives and moves left and right platform motion; due to the effect between left/right cord grip and over cap and limit pull rod; make compression strip group 34 under the effect of spring force, make each compression strip press down; and wire is compressed; simultaneously; it is the movement that moves left and right platform that spring 35 shrinks or stretch what rely on, and interaction between left and right cord grip and over cap and limit pull rod is completed.
Operating process is as follows:
Manually treating to embed in armature notch around one end of wire, the rotor of this armature (is shown in to Fig. 9, Figure 10) put into apparatus of the present invention, namely be fixed on (develop armature plate left side and left-handed rotary head right side) on the clamping device 7 on armature left fixed shaft 21, and the notch of the wire in inspection armature notch and left-handed rotary head corresponding (guaranteeing that cord grip is pressed into wire in the groove of swivel head smoothly).Starting switch, moves right and axially moves left, and the right side of armature rotor sheet is withstood in the left side of dextrorotation rotary head.Subsequently, right cord grip is moved to the left, and while moving to the left side of armature, stops, and meanwhile, the compression strip on cord grip presses down, artificial compacted the entering in armature plate notch of wire embedding.Then N notch rotated in left-handed rotary head, and the wire of the inside has also just been reversed N notch.Next, left cord grip is driven, while arriving armature right side to the right, stops, and compressing tablet presses down, and wire is compacted to be entered in armature film trap, N notch of dextrorotation rotary head rotation, and wire has also just been reversed N notch.Thereby wire has completed an action back and forth, and as required, above-mentioned course of action can be back and forth, and namely the number of turns of winding can be set as required, and the notch number that simultaneously each wound form reverses also can be adjusted according to actual needs.
Figure 11 is the method for winding flow chart of armature winding provided by the present invention, and as shown in figure 11, a kind of method that Winder that adopts above-mentioned armature winding winds the line, comprises following steps:
Step 1) provides the Winder of above-mentioned armature winding;
Step 2) will treat to embed in armature slot (as shown in Figure 7) around one end of wire (wire shape as shown in figure 13), and this armature is arranged on to one end of the left-handed rotary head of left fixed shaft, make wire corresponding with the cable clamping interface in left-handed rotary head, with the clamping device armature that is fixedly clamped, now, the notch on armature communicates (as shown in figure 14) with the cable clamping interface in left-handed rotary head;
The step 3) moving axis that moves to right moves to left, and to the tight armature in the right rotation crown of end, carrying out coiling and preparing;
The right cord grip of step 4) moves to left, and to the left end of right cord grip and the left justify of armature (seeing position in Figure 15), wire is pressed in the notch of armature, and left end portion wire enters in the cable clamping interface of left-handed rotary head;
The compression strip of the right cord grip of step 5) presses down, wire is pressed in armature slot, now, cable clamping interface fixing cord position and the direction of left-handed rotary head;
N notch of the left-handed rotary head of step 6) rotation, wire, with N notch of left-handed rotary head rotation, curves, and the while is along with right cord grip moves right, and compression strip is lifted on slowly;
The left cord grip of step 7) moves to right, and makes every wire with respect to the position in step 5), walk around the notch of N armature, and wire is depressed, and wire is realized the first coiling, to the right-hand member of left cord grip and the right-hand justified of armature (seeing position in Figure 15);
The compression strip of the left cord grip of step 8) presses down, and wire is pressed in armature slot and dextrorotation rotary head, has wound the line for the first time;
N notch of step 9) dextrorotation rotary head rotation, wire is with N notch of dextrorotation rotary head rotation, and the while is along with left cord grip is moved to the left, and compression strip is lifted on slowly;
The right cord grip of step 10) moves to left, and aliging with the left side of armature (seeing position in Figure 15) in the left side of right cord grip, wire is pressed in the notch of armature, and wire enters in the cable clamping interface of left-handed rotary head;
The compression strip of the right cord grip of step 11) presses down, wire is pressed in armature slot and left-handed rotary head groove, now, cable clamping interface fixing cord position and the direction of left-handed rotary head;
N notch of the left-handed rotary head of step 12) rotation, wire, with N notch of left-handed rotary head rotation, curves, and the while is along with right cord grip moves right, and compression strip is lifted on slowly;
Step 10) repeating step 7) to step 8).
Step 11), after having wound the line, is opened clamping device, takes off armature, completes coiling, and a kind of mode of the coiling of enamelled wire in armature notch as shown in figure 16, is rotated 7 notches at every turn.
Figure 17 a-Figure 18 c is that the present invention one is embodiment schematic diagram, one end of fixing cord in the notch of armature rotor, the assembly that rotor is comprised of armature plate 57, commutator 58, enamelled wire 55 and axle 56 etc., the schematic diagram of rotor and cutaway view are as Fig. 9, shown in Figure 10, this rotor is fixed on the Winder of armature winding, and clamp with clamping device, make the cable clamping interface alignment of armature plate notch and left-handed rotary head, press and start clamping cylinder 71 drive clamping devices 7 clamping and fixed rotors, enamelled wire can easily enter in the cable clamping interface of left-handed rotary head.
First, after confirming that rotor packs into, trigger starting switch, the moving axis 22 that moves to right is driven and is moved to the left by the cylinder 221 that moves right, make dextrorotation rotary head 42 withstand armature plate end face, and the cable clamping interface in dextrorotation rotary head 42 6 aligns with the notch 5 on armature, right servomotor 321 drives right worm screw 14, right worm screw 14 drives the platform 12 that moves right, right cord grip 32 is moved to left to position shown in conical nose 33 arrival Figure 15, rely on compression strip group 34 in right cord grip 32 to compress enamelled wire, be specially, the platform 12 that moves right is moved to the left and adopts right limit pull bar 44 to limit distance, and act on the spring 35 that compression strip group connects, make the stressed extruding forward of spring 35, because compression strip group 34 is subject to external force, slope 36 on compression strip interacts with conical nose 33, compression strip is pressed down, compress wire.Left servomotor 81 drives N notch of left-handed rotary head 41 rotations, moving left platform 11 drives left cord grip 31 to move to right to the conical nose 33 of left cord grip 31 to align with the left side of armature plate, move left platform 11 and drive left cord grip 31 slightly move right (platform 12 that simultaneously moves right drive right cord grip 32 can simultaneously turn right movement), after enamelled wire is pushed slightly, along cable clamping interface 6 and armature plate notch 5, enamelled wire (wire) is pressed into, and rely on the compression strip group 34 in left cord grip 31 that many enamelled wires are compressed simultaneously, and be slowly pushed into position shown in Figure 15, the platform 12 that simultaneously moves right drives right cord grip 32 rollbacks, enamelled wire reference shape Figure 17 a after being pressed into, 18a, wherein, 17a is solid conductor coiling, Figure 18 a is multiple conducting wires coiling.
Then, after dextrorotation rotary head rotation N groove, the platform 12 of simultaneously moving right drives right cord grip 32 to be slightly moved to the left (move left platform simultaneously and drive the movement of can simultaneously turning left of left cord grip), after enamelled wire is pushed slightly, and along cable clamping interface and the armature plate notch of dextrorotation rotary head, enamelled wire is pressed into, and rely on the compression strip in right cord grip that many enamelled wires are compressed simultaneously, and be slowly pushed into position shown in Figure 15, enamelled wire reference shape Figure 17 b, 18b after being pressed into, wherein, 17b is solid conductor coiling, and Figure 18 b is multiple conducting wires coiling.
Finally, left side clamping device unclamps, left-handed rotary head rotation N groove, move left platform 11 and drive left cord grip 31 slightly move right (platform that simultaneously moves right drive right cord grip can simultaneously turn right movement), after enamelled wire is pushed slightly, and along cable clamping interface and the armature plate notch of left-handed rotary head, enamelled wire is pressed into, and rely on the compression strip in left cord grip that many enamelled wires are compressed simultaneously, and right cord grip slowly rollback to original position, the left cord grip of left driver drives returns to original position, enamelled wire reference shape Figure 17 c after being pressed into, 18c, wherein, 17c is solid conductor coiling, 18c is multiple conducting wires coiling.
The above embodiment has only expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a Winder for armature winding, has bracing frame, it is characterized in that: on support frame as described above, be provided with left fixed shaft and the moving axis that moves to right;
On described left fixed shaft, be set with left cord grip, and end is provided with left-handed rotary head;
On the described moving axis that moves to right, be set with right cord grip, and end is provided with dextrorotation rotary head;
Described left-handed rotary head is identical with armature with dextrorotation rotary head diameter, and has the cable clamping interface consistent with width of rebate on armature above;
Described left cord grip and right cord grip comprise the body with conical nose; limit pull rod; compression strip group and spring; described compression strip group front end is provided with the slope of matching with conical nose; and compression strip group top is provided with spring fixed block; on described spring fixed block, be connected with spring; the other end of described spring is connected on body; protective sleeve is equipped with in described spring fixed block end; described protective sleeve is also connected with limit pull rod, and in described compression strip group, the width of each compression strip and armature notch adapt.
2. the Winder of armature winding according to claim 1, is characterized in that: on described left fixed shaft, be also provided with clamping device, described clamping device is connected with clamping cylinder.
3. the Winder of armature winding according to claim 1, is characterized in that: described left-handed rotary head is connected with anticlockwise drive unit, and described dextrorotation rotary head is connected with right rotation drive unit.
4. the Winder of armature winding according to claim 1, is characterized in that: described right cord grip is connected with the platform that moves right, described in the platform that moves right connect right worm screw, described right worm screw connects right servomotor.
5. the Winder of armature winding according to claim 1, is characterized in that: described left cord grip is connected with and moves left platform, described in move left platform and connect left worm screw, described left worm screw connects left servomotor.
6. the Winder of armature winding according to claim 1, is characterized in that: the described limit pull rod other end is provided with stop nut.
7. the Winder of armature winding according to claim 1, is characterized in that: described conical nose is provided with groove, and described groove is corresponding with armature notch.
8. a method for winding for armature winding, is characterized in that comprising following steps:
Step 1) provide the Winder of the armature winding described in claim 1-7 any one;
Step 2) will treat in one end of wire embeds armature and commutation tank, and this armature is arranged on to one end of the left-handed rotary head of left fixed shaft, make wire corresponding with the cable clamping interface in left-handed rotary head, with clamping device, clamp;
Step 3) moving axis that moves to right moves to left, and presses closer armature to the dextrorotation rotary head of end;
Step 4) right cord grip moves to left, to the left end of right cord grip and the left justify of armature core;
Step 5) compression strip of right cord grip presses down, and wire is pressed in armature slot;
Step 6) N notch of left-handed rotary head rotation, wire is with N notch of left-handed rotary head rotation, and the while is along with right cord grip moves to right, and the compression strip group of right cord grip is lifted on slowly;
Step 7) left cord grip moves to right, to the right-hand member of left cord grip and the right-hand justified of armature core;
Step 8) compression strip of left cord grip presses down, and wire is pressed in armature slot;
Step 9) N notch of dextrorotation rotary head rotation, wire is with N notch of dextrorotation rotary head rotation, and the while is along with left cord grip moves to left, and the compression strip group of left cord grip is lifted on slowly;
Step 10) repeating step 4) to step 9).
9. the method for winding of armature winding according to claim 8, characterized by further comprising step 11): after having wound the line, open clamping device, take off armature.
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| CN201210344049.XA CN102843004B (en) | 2012-09-17 | 2012-09-17 | Winding device and method of armature winding |
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| CN201210344049.XA CN102843004B (en) | 2012-09-17 | 2012-09-17 | Winding device and method of armature winding |
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| CN105515304B (en) * | 2015-12-18 | 2018-11-23 | 江西清华泰豪三波电机有限公司 | The direct continuous coiling device of exciter stator winding |
| CN106424459A (en) * | 2016-12-27 | 2017-02-22 | 无锡明珠钢球有限公司 | Positioning mechanism of wire winding machine |
| CN107946069B (en) * | 2017-11-27 | 2020-01-14 | 北京石油化工学院 | Precise winding device for magnetic suspension bearing winding |
| CN111082617B (en) * | 2020-02-09 | 2021-03-05 | 科瓦力(宁波)精密器械有限公司 | Intelligent three-layer auxiliary pole coil winding robot complete machine |
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| CN1877971A (en) * | 2006-07-07 | 2006-12-13 | 周洪豪 | Symmetric-distribution slot type automatic rotor winding machine without hook |
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| CN202840864U (en) * | 2012-09-17 | 2013-03-27 | 雷瑞卡（苏州）汽车电器有限公司 | Coiling device of armature winding |
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|---|---|---|---|---|
| US4299023A (en) * | 1979-01-12 | 1981-11-10 | Hitachi, Ltd. | Machine for winding and inserting coils |
| CN1877971A (en) * | 2006-07-07 | 2006-12-13 | 周洪豪 | Symmetric-distribution slot type automatic rotor winding machine without hook |
| CN200990290Y (en) * | 2006-12-07 | 2007-12-12 | 宁景全 | Main shaft servo driving winding machine |
| CN101378212A (en) * | 2007-08-27 | 2009-03-04 | 日特机械工程株式会社 | Winding device |
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