WO2005022720A1 - ステータのレーシング方法 - Google Patents
ステータのレーシング方法 Download PDFInfo
- Publication number
- WO2005022720A1 WO2005022720A1 PCT/JP2004/012885 JP2004012885W WO2005022720A1 WO 2005022720 A1 WO2005022720 A1 WO 2005022720A1 JP 2004012885 W JP2004012885 W JP 2004012885W WO 2005022720 A1 WO2005022720 A1 WO 2005022720A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- coil end
- racing
- yarn
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/20—Shaping or compacting conductors or winding heads after the installation of the winding in the cores or machines; Applying fastening means on winding heads
- H02K15/24—Shaping or compacting winding heads
- H02K15/26—Applying fastening means on winding heads
Definitions
- the present invention relates to a stator racing method for binding a coil end projecting from both end faces of a stator core. More particularly, the present invention relates to a stator lacing method that enables sta- tions having different diameters to be coiled.
- the stator which is a component of the motor, is formed by mounting a coil on each slot formed in the document data core.
- the stator has coil ends, which are portions where the coils protrude from both end surfaces of the stator core. This coil end may come into contact with the rotor and the case when configuring the motor. For this reason, the coil ends are tied with a thread and bound (by so-called racing) to fix the coil ends. This lacing is performed by sewing the coil end in a mesh shape so as to knit a thread.
- Japanese Patent Application Laid-Open No. 11-164531 This consists of a pair of upper and lower rockers, one end of which is pivotally supported by the frame, a first drive unit that rocks each rocker up and down, and each rocker can move forward and backward in the axial direction and rotate.
- a slewing needle spindle supported so as to be able to rotate, a yarn feeding nozzle support rod rotatably supported on each rocking plate substantially in parallel with the racing needle spindle, and a slewing mound one dollar spindle.
- a lacing needle, and the lacing needle The first drive device, the second drive device, and the third drive device.
- the first drive device, the second drive device, and the third drive device each include a stator core installation table having an indentation means for holding and rotating the stator core by a predetermined angle while holding the stator core.
- the drive source of the drive unit is a separate motor whose rotation angle can be controlled.
- Patent Document 1 Japanese Patent Application Laid-Open No. H11-1646431 (Pages 4 to 5, FIG. 3)
- the center axis of the stator 1 (the rotation axis of the stator 1) Z1 and the center of the yarn feeding nozzle support rod (nozzle support section) 6 Axis (moving axis of yarn feed nozzle) Z2 matches (fixed). Therefore, racing cannot be performed on the coil end 2a of the stator 1a having a diameter other than the preset diameter as shown in FIG. 17 (b). That is, there is a problem that the racing cannot be performed on the coin end 2a of the stator 1a having a different diameter.
- the present invention has been made to solve the above-described problem, and has as its object to provide a stator racing method that can automatically perform racing for coil ends of stators having different diameters. Disclosure of the invention
- a lacing method for a stator according to the present invention which has been made to solve the above-mentioned problems, comprises: a yarn supply nozzle that is movable in the axial direction of the stator and supplies yarn while rotating the stator by a predetermined angle; Interaction with a hook that is movable in the axial direction and the radial direction of the stator and that pulls the yarn supplied from the yarn supply nozzle performs the binding of the coil end projecting from both end surfaces of the stator core.
- the rotation axis of the stator is eccentric by a predetermined amount from the movement axis of the yarn supply nozzle, and the stator is rotated by a predetermined angle in this state, and the yarn supply nozzle and the hook are rotated. Racing with respect to the coil end by mutual operation with the coil end.
- the stator is rotated with respect to the coil end of the stator by rotating the stator by a predetermined angle and interacting between the yarn feeding nozzle and the hook.
- the rotation axis of the stator is decentered by a predetermined amount from the movement axis of the yarn feeding nozzle. After that, while the rotating shaft of the stator and the moving shaft of the yarn feeding nozzle are eccentric, the racing with respect to the coil end is performed while rotating the stator.
- the amount of eccentricity between the rotation axis of the stator and the movement axis of the yarn feeding nozzle is determined based on the inner diameter of the stator core and the length of the yarn feeding nozzle. Note that the amount of eccentricity may become zero. That is, in the case of stators having different diameters, the rotation axis of the stator and the movement axis of the yarn feeding nozzle are eccentric.
- the racing can be performed without changing the yarn feeding nozzle or changing the movement locus of the hook. It can be performed. Also, since there is no need to change the yarn feeding nozzle or change the movement locus of the hook, it is not necessary to change the arrangement position of the unit attached to the racing device. Therefore, by applying this racing method, the diameter of the production line can be reduced. Different stators can be mixed, and the stator can be automatically laced to the coil end.
- FIG. 1 is an explanatory diagram for explaining an outline of a lacing method according to the present embodiment, and (a) shows a case where lacing is performed on a coil end of a stator having a reference diameter. (B) shows a case in which racing is performed on a stator coil with a diameter different from the standard.
- FIG. 2 is an explanatory diagram for explaining a procedure of racing with respect to a coil end of a stator.
- FIG. 3 is an explanatory diagram for explaining the procedure of racing with respect to the coil end of the stator.
- FIG. 4 is an explanatory diagram for explaining a racing procedure for the coil end of the stator.
- FIG. 5 is an explanatory diagram for explaining a racing procedure for the coil end of the stator.
- FIG. 6 is an explanatory diagram for explaining a racing procedure for the coil end of the stator.
- FIG. 7 is an explanatory diagram for explaining a procedure of racing the coil end of the stator.
- FIG. 8 is an explanatory diagram for explaining a procedure of racing with respect to a coil end of the stator.
- FIG. 9 is an explanatory diagram for explaining the procedure of racing with respect to the coil end of the stator.
- FIG. 10 is an explanatory diagram for explaining the procedure of racing with respect to the coil end of the stator.
- FIG. 11 is an explanatory diagram for explaining the procedure of racing with respect to the coil end of the stator.
- FIG. 12 is an explanatory diagram for explaining the procedure of racing the coil end of the stator.
- FIG. 13 is a diagram showing a schematic configuration of an index mechanism for rotating the stator.
- FIG. 14 is an explanatory diagram for explaining a procedure of racing the coil end of the stator.
- FIG. 15 is an explanatory diagram for explaining a procedure of racing the coil end of the stator.
- FIG. 16 is an explanatory diagram for explaining a procedure of racing the coil end of the stator.
- FIG. 17 is an explanatory diagram for explaining a problem in the conventional racing technology.
- Fig. 1 shows an overview of the lacing method according to the embodiment.
- (a) shows the case where lacing is performed on the coil end of the stator having the reference diameter
- (b) shows the case where lacing is performed on the coil end of the stator having a diameter different from the reference. ing.
- the racing method according to the present embodiment includes a yarn supply nozzle 5 that is movable in the axial direction of the stator 1 and supplies yarn while rotating the stator 1 by a predetermined angle.
- a hook 4 that can move in the axial direction and the radial direction of the stator 1 and hooks a yarn supplied from a yarn feeding nozzle 5, the coil end 2 protruding from both end surfaces of the stator core 3 is laced. It has become.
- the rotation axis Z of the stator 1 The degree of eccentricity of 1 from the movement axis Z2 of the yarn feeding nozzle 5 is determined.
- the amount of eccentricity A is determined based on the nozzle length of the yarn supplying nozzle 5 and the inner diameter of the stator 1 (stator core 3). Since the inner diameter of the stator 1 and the length of the yarn supplying nozzle 5 for performing the racing are known, the eccentricity A can be easily calculated.
- the state of coincidence (the state shown in Fig. 1 (a)) remains unchanged.
- racing for coilend 2 is performed as follows. Therefore, the procedure of racing the coil end 2 of the stator 1 will be described with reference to FIGS. Since the coil end 2 protrudes from both end faces of the stator core 3, the racing is performed by the force S applied to both coil ends, and the racing is performed by the same procedure for both coil ends. Here, only the lacing procedure for one coil end will be described.
- the yarn supplying nozzle 5 supplies the yarn 9 from the yarn supplying nozzle 5 while being positioned above the coil end 2.
- the tip of the yarn 9 supplied from the yarn supply nozzle 5 is held by the needle 7, and the yarn 9 supplied from the yarn supply nozzle 5 is pulled and stretched.
- the yarn feeding nozzle 5 moves below the coil end 2, that is, inside the stator core 3.
- the yarn supply nozzle 5 is formed by moving a nozzle holding portion 6 holding the yarn supply nozzle 5 in the axial direction.
- the hook 4 extends toward the radially inner side of the stator core 3.
- the hook 4 passes through a lower portion of the coil end 2 (between the coil end 2 and the stator core 3) and is moved to a position where it engages with the thread 9.
- the hook 4 hooks the thread 9 at the tip thereof, retreats radially outward of the stator core 3, and pulls the thread 9 from the lower part of the coil end 2. Subsequently, as shown in FIG. 5, the hook 4 moves upward through the outside of the coil end 2 with the thread 9 hooked to the tip. As a result, a loop R1 is formed in the yarn 9. At this time, the yarn feeding nozzle 5 also moves upward. Then, as shown in FIG. 6, the hook 4 is again extended radially inward of the stator core 3. At this time, the hook 4 passes through the upper part of the coil end 2, the tip of which enters the inside of the stator core 3, and hooks the yarn 9 supplied from the yarn supplying nozzle 5.
- the hook 4 hooks the thread 9 at its tip and retreats through the loop R1 to the outside of the stator core 3 in the radial direction. As a result, a loop R2 is formed in the yarn 9.
- the hook 4 is again extended radially inward of the stator core 3 as shown in FIG.
- the hook 4 passes through the lower part of the coil end 2, and its tip enters the inside of the stator core 3, and hooks the yarn 9 supplied from the yarn supply nozzle 5.
- the hook 4 catches the thread 9 at its tip and retreats through the loop R2 outward in the radial direction of the stator core 3. As a result, a loop R3 is formed in the yarn 9.
- stator core 3 (stator 1) is rotated by a predetermined angle.
- the rotation of the stator core 3 is performed by an index mechanism shown in FIG.
- This index mechanism is composed of a pallet P holding the stator core 3 and a motor M. And no, "let P A gear G is formed on the outer periphery of the gear G, and the gear G and the gear MG on the motor M side mesh with each other.
- the index mechanism can rotate the stator core 3 together with the pallet P.
- the eccentricity A of the yarn supplying nozzle 5 from the moving axis Z2 is determined based on the nozzle length of the yarn supplying nozzle 5 and the inner diameter of the stator 1a (the stator core 3a).
- the inner diameter of the stator performing the racing and the nozzle length of the yarn supplying nozzle 5 are known, the amount of eccentricity A can be easily calculated.
- the tip of the yarn feeding nozzle 5 and the inner peripheral surface of the stator 1a are brought close to each other by eccentricizing the rotation axis Z1a of the stator la from the moving axis Z2 of the yarn feeding nozzle 5. That is, the positional relationship between the yarn supplying nozzle 5 and the inner peripheral surface of the stator 1a is made equal to the positional positional relationship between the yarn supplying nozzle 5 and the internal peripheral surface of the stator 1 shown in FIG. 1 (a). be able to. This allows stators with different diameters Racing of the coil end 2a of 1a can be performed using the yarn feeding nozzle 5 without changing the nozzle length and without changing the movement locus of the hook 4.
- the lacing method according to the present embodiment it is possible to mix the stators having different diameters and automatically perform the lacing on the coil end of each stator.
- the lacing method according to the present embodiment before performing lacing on the coil end of the stator, based on the inner diameter of the stator and the nozzle length of the yarn supplying nozzle 5, The eccentricity A between the moving axis Z2 and the rotation axis Z1a (Z1) of the stator is calculated.
- the rotation axis Z1a of the stator is moved from the movement axis Z2 of the yarn feeding nozzle 5.
- stator 1a Since the stator 1a is moved so as to be eccentric by the amount of eccentricity A, it is possible to perform racing on the coil end 2a of the stator 1a while using the yarn feeding nozzle 5 without changing the movement trajectory of the hook 4. it can. That is, according to the racing method of the present embodiment, it is possible to automatically perform the racing on the coil ends of the stators having different diameters.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-306095 | 2003-08-29 | ||
| JP2003306095A JP4148071B2 (ja) | 2003-08-29 | 2003-08-29 | ステータのレーシング方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005022720A1 true WO2005022720A1 (ja) | 2005-03-10 |
Family
ID=34269374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/012885 Ceased WO2005022720A1 (ja) | 2003-08-29 | 2004-08-30 | ステータのレーシング方法 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4148071B2 (ja) |
| CN (1) | CN1303742C (ja) |
| WO (1) | WO2005022720A1 (ja) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4519096B1 (ja) * | 1966-03-24 | 1970-06-30 | ||
| JPS61236346A (ja) * | 1985-03-29 | 1986-10-21 | リンク・エンジニアリング・カンパニー | 固定子コイルレーシングコードの固定装置及び固定方法 |
| JPS62147933A (ja) * | 1985-12-20 | 1987-07-01 | Odawara Eng:Kk | コイル結束装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3983826A (en) * | 1975-08-25 | 1976-10-05 | Essex International, Inc. | Knot tying apparatus and method for stator lacing machine |
| US5485670A (en) * | 1993-08-30 | 1996-01-23 | Alliance Winding Equipment, Inc. | Stator coil lacing machine |
| JP3927669B2 (ja) * | 1997-11-27 | 2007-06-13 | 三工機器株式会社 | ステータコイルのレーシング装置 |
-
2003
- 2003-08-29 JP JP2003306095A patent/JP4148071B2/ja not_active Expired - Fee Related
-
2004
- 2004-08-30 CN CNB2004800010281A patent/CN1303742C/zh not_active Expired - Fee Related
- 2004-08-30 WO PCT/JP2004/012885 patent/WO2005022720A1/ja not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4519096B1 (ja) * | 1966-03-24 | 1970-06-30 | ||
| JPS61236346A (ja) * | 1985-03-29 | 1986-10-21 | リンク・エンジニアリング・カンパニー | 固定子コイルレーシングコードの固定装置及び固定方法 |
| JPS62147933A (ja) * | 1985-12-20 | 1987-07-01 | Odawara Eng:Kk | コイル結束装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4148071B2 (ja) | 2008-09-10 |
| CN1701491A (zh) | 2005-11-23 |
| CN1303742C (zh) | 2007-03-07 |
| JP2005080367A (ja) | 2005-03-24 |
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