CN1404202A - Method for producing terminal and method for producing motor - Google Patents
Method for producing terminal and method for producing motor Download PDFInfo
- Publication number
- CN1404202A CN1404202A CN 02132035 CN02132035A CN1404202A CN 1404202 A CN1404202 A CN 1404202A CN 02132035 CN02132035 CN 02132035 CN 02132035 A CN02132035 A CN 02132035A CN 1404202 A CN1404202 A CN 1404202A
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- China
- Prior art keywords
- terminal pins
- terminal
- cut
- manufacture method
- stator core
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- 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.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 71
- 238000004804 winding Methods 0.000 claims abstract description 18
- 238000000465 moulding Methods 0.000 claims description 38
- 238000009966 trimming Methods 0.000 claims description 28
- 238000003780 insertion Methods 0.000 claims description 21
- 230000037431 insertion Effects 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 15
- 238000003754 machining Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 33
- 238000010586 diagram Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Motor Or Generator Frames (AREA)
Abstract
To provide a method for manufacturing a terminal wherein breakage is prevented when a coil winding is wound, and a method for manufacturing a motor. When a stepping motor 1 is manufactured, a steel plate 13 is subjected to press work, and terminal pins 11 and inner stator core 12 are drawn from dies. In the above state, the inner stator core 12 is linked with a frame 15. In the terminals pins 11, one-side ends 111 are linked with a frame 15, and the other ends 112 are linked with the frame 15 interposing the inner stator core 12. In such a state, keen burrs which are formed on corners of the terminals pins 11 by press work are eliminated by crushing equipment 19.
Description
Technical field
The present invention relates to a kind of manufacture method of the terminal at the first-class coiling coil of stepping motor and the manufacture method of motor.
Background technology
Generally, the small-sized stepping motor of Φ below 12 as shown in Figure 2, roughly is made of rotor 2, stator core 4, resinous making toroidal coil skeleton 6 with utmost point tooth 3 relative with this rotor 2.The internal stator iron core and the coil rack 6 that constitute stator core 4 constitute one as inserting drip molding 10.The portion of terminal that is provided with terminal pins 71,72,73,74 5 of this insertion drip molding 10 forms one with coil rack 6.
Main part at coil rack 6 forms 2 coil coiling portions 63,64, and the end end that is wound on the winding coil 60 of coil coiling portion 63,64 is wound on the terminal pins 71,72,73,74.
In the stepping motor of said structure, terminal pins 71,72,73,74 is by being processed to form plate stamping, so form sharp keen burr part in its bight.Therefore when being wound on the end end of winding coil 60 on the terminal pins 71,72,73,74, exist sharp keen burr partly to cut off the problem at the end end of winding coil 60.
Special in the small-sized stepping motor 1A of Φ below 12, winding coil 60 is very thin, when being wound on the terminal pins 71,72,73,74, is cut off easily.
In view of above problem, the objective of the invention is to: even provide a kind of coiling coil that the manufacture method of the cut terminal of coil and the manufacture method of motor can not take place yet.
For addressing the above problem, the manufacture method of terminal of the present invention is by processing and manufacturing is wound with the terminal pins of class fine rules such as winding coil to plate stamping, it is characterized in that, in above-mentioned manufacture method, carry out following operation: nationality is by described punch process, an end of described terminal pins partly is connected, to the stamping procedure of described sheet material molding with sheet frame; Through described punch process, remove the terminal trimming of the sharp keen burr part in the bight that is formed at described terminal pins; Through behind this terminal trimming, cut off an end of described terminal pins and the 1st cut-out operation of described sheet frame coupling part partly.
According to the present invention, form described terminal pins by described stamping procedure after, through removing the terminal trimming that is formed at the sharp keen burr part in terminal pins bight because of this punch process, so there is not sharp keen burr part in the bight of terminal pins.Thereby, even class fine rules such as winding coil are wound up into terminal pins 4, the also problem that can avoid fine rule partly to be cut off by burr.Through behind the described terminal trimming, cut off operation the 1st and will cut off an end of described terminal pins and the coupling part of described sheet frame part, so when carrying out the terminal trimming, an end of described terminal pins partly is in the state that is connected with described sheet frame.And when handling described terminal pins, can handle integratedly with described sheet frame part, thereby can carry out the terminal trimming efficiently.
According to the present invention, in described stamping procedure, preferably, with described sheet material molding, the other end that makes described terminal pins is for the direct or indirect connection of described sheet frame part; Through behind the described terminal trimming, cut off the 2nd cut-out operation of coupling part of the other end of described sheet frame portion and described terminal pins.Like this, when carrying out described terminal trimming, an end of described terminal pins and the both sides of the other end and described sheet frame partly are in connection status.Thus, in the terminal trimming, during by conquassation processing or chamfer machining deburring part, the two ends of terminal pins are partly supported by sheet frame, can prevent the distortion of terminal pins etc.
Again, according to the present invention, the manufacture method of motor of the present invention is by processing and manufacturing is wound with the manufacture method of the stator core of the terminal pins of winding coil and motor to plate stamping, it is characterized in that, in described manufacture method, carry out the stamping procedure with described sheet material molding, described operation nationality partly is connected an end of described terminal pins and described stator core respectively by described punch process with sheet frame; Through described punch process, remove the terminal trimming of the sharp keen burr part in the bight that is formed at described terminal pins; Through behind this terminal trimming, cut off an end and the coupling part of described sheet frame part and the 1st cut-out operation of described stator core and described sheet frame coupling part partly of described terminal pins.
According to the present invention, in described stamping procedure, the described sheet material of molding is puted up do insertion shaping under the state that closes 2, when carrying out described terminal pins and described stator core and form the insertion forming process of coil rack of winding coil coiling usefulness of one, after this insertion forming process, carry out the described the 1st and cut off operation.
According to the present invention, in described stamping procedure,, the other end of described terminal pins is connected with described stator core sometimes with described sheet material molding.At this moment, through behind the described terminal trimming, cut off the other end of described terminal pins and the 2nd cut-out operation of the coupling part of described stator core.
Again, in described stamping procedure, the described sheet material of molding is puted up the state that closes 2 insert shaping, when carrying out described terminal pins and described stator core and form the insertion forming process of coil rack of winding coil coiling usefulness of one, after the 2nd cut-out operation, carry out described insertion forming process, carry out the described the 1st afterwards and cut off operation.
According to the present invention, in described terminal trimming, such as removing described burr part by conquassation processing or chamfer machining.
Description of drawings
Fig. 1 is the partial cross-sectional perspective view of the stepping motor that is suitable for of expression the present invention.
Fig. 2 is the exploded perspective view of stepping motor shown in Figure 1.(A) of Fig. 3, (B) are respectively in stepping motor shown in Figure 1, internal stator iron core, coil rack, portion of terminal are formed the vertical view and the upward view of the insertion drip molding of one.
(A) of Fig. 4, (B), (C) all represent to be used for the key diagram of manufacture method of the insertion drip molding of stepping motor shown in Figure 1.
(A) of Fig. 5, (B), (C) all are illustrated in the manufacturing process of the insertion drip molding that is used for stepping motor shown in Figure 1, remove the situation key diagram of sharp keen burr part from the bight of terminal pins.
(A) of Fig. 6, (B), (C) all are illustrated in the manufacturing process of the insertion drip molding that is used for stepping motor shown in Figure 1, follow the key diagram of each operation that operation shown in Figure 4 carries out.
(A) of Fig. 7, (B) all are illustrated in the manufacturing process of the insertion drip molding that is used for stepping motor shown in Figure 1, follow the key diagram of each operation that operation shown in Figure 6 carries out.
Embodiment
Fig. 1 and Fig. 2 are respectively the partial cross-sectional perspective view and the exploded perspective views of the stepping motor that is suitable for of expression the present invention.(A) of Fig. 3, (B) are respectively in stepping motor shown in Figure 1, internal stator iron core, coil rack, portion of terminal are formed the vertical view and the upward view of the insertion drip molding of one.Its basic structure of the stepping motor of this form is with the motor of Fig. 8 explanation, and the part with identical function illustrates with prosign.
As shown in Figures 1 and 2, the stepping motor 1 of this form is the miniature motor of Φ below 12, roughly is made of rotor 2, stator core 4, resinous making toroidal coil skeleton 6 with utmost point tooth 3 relative with this rotor 2.According to this example, as described below, the internal stator iron core and the coil rack 6 that constitute stator core 4 constitute one as inserting drip molding 10.Rotor 2 is such as being fixed as one by magnet 22,23 and rotating shaft 21 and forming.
In Fig. 1, Fig. 2 and Fig. 3, the portion of terminal that is provided with terminal pins 71,72,73,74 5 of inserting drip molding 10 forms one with coil rack 6.Main part at coil rack 6 forms 2 coil coiling portions 63,64, and the end end that is wound on the winding coil 60 of coil coiling portion 63,64 is wound on the terminal pins 71,72,73,74.
In the stepping motor 1 of said structure, an end 111 that inserts the terminal pins 71,72,73,74 of drip molding 10 protrudes from portion of terminal 5, and the other end 112 is imbedded portion of terminal 5.In inserting drip molding 10, the 1st internal stator iron core the 46, the 2nd internal stator iron core 48 and terminal pins 71,72,73,74 with fixed position relation be integral with resin-shaped, shown in Fig. 3 (A), (B), the other end 112 of the 1st internal stator iron core 46 and the 2nd internal stator iron core 48 and terminal pins 71,72,73,74 with fixed gap separate.
When making the insertion drip molding 10 of said structure, this form steel plate (sheet material), form the 1st internal stator iron core 46 and terminal pins 71,72 through punch process, molding, with another steel plate (sheet material), after punch process, molding form the 2nd internal stator iron core 48 and terminal pins 73,74, at state with the stack of the steel plate after these 2 moldings, insert shaping, make the 1st internal stator iron core the 46, the 2nd internal stator iron core 48 and terminal pins 71,72,73,74 and coil rack 6 form one.
In conjunction with Fig. 4～Fig. 7 this manufacture method is described.
Fig. 4～Fig. 7 all represents to be used for the key diagram of manufacture method of the insertion drip molding 10 of this form stepping motor.This form adopts same punch process, under the state with 2 steel plate stacks, does to insert shaping, makes and inserts drip molding 10.Only otherwise do special the record, the 1st internal stator iron core 46 and the 2nd internal stator iron core 48 are not considered as internal stator iron core 12 with making any distinction between, terminal pins 71,72,73,74 are considered as terminal pins 11 describe.
According to this example, at first, shown in Fig. 4 (A), prepare to be used to form the steel plate 13 of internal stator iron core 12 and terminal pins 11.On this steel plate 13, form the hole 14 of location usefulness.
Then, shown in Fig. 4 (B), punch process steel plate 13 is with 2 terminal pins 11 and internal stator iron core 12 (stator core) molding.At this moment, internal stator iron core 12 is by the 15 one-tenth connection status in the 1st coupling part 16 and sheet frame part.Be connected with sheet frame part 15 by the 2nd coupling part 162 about terminal pins 11, one ends 111, the other end 112 is by 12 one-tenth connection status in the 3rd coupling part 163 and internal stator iron core (stamping procedure).
Below, shown in Fig. 4 (C), the sharp keen burr that will be formed at the bight of terminal pins 11 with conquassation device 19 through punch process is partly removed (terminal trimming).Promptly, at state through punch process terminal pins 11 molding, the vertical section of the terminal pins 11 shown in Fig. 5 (A) is such, following side corner sections 115 in terminal pins 11 forms sharp keen burr part 116 towards pressing direction, with conquassation device 19 this burr part 116 is removed, shown in Fig. 5 (B), make the 115 one-tenth R shapes in bight.At this moment, become with the conquassation device and carry out conquassation processing, shown in Fig. 5 (C), the chamfer machining of also available cutting corner 115 is removed sharp keen burr part 116.
Shown in Fig. 6 (A), in steel plate 13, with the middle body of internal stator iron core 12 through punch process, molding, form groove 114 after, shown in Fig. 6 (B), the protuberance that 114 of grooves are stayed in bending forms utmost point tooth 3.
Shown in Fig. 6 (C), cut off the 3rd coupling part 163 (the 2nd cuts off operation) of the other end 112 and the internal stator iron core 12 of terminal pins 11.
Secondly, shown in Fig. 7 (A),, insert shaping (insertion forming process) at the states of doing 2 reverse stacks respectively through 2 steel plates 13 of above-mentioned operation.Its result, shown in Fig. 7 (B), it is integrated that internal stator iron core 12 and terminal pins 11 utilize resin 14 to form, and utilizes this resin 14 to form the insertion drip molding 10 with coil rack 6 and portion of terminal 5 simultaneously.See this state from the top, 2 butt 11 that are formed at each steel plate 13 respectively are in the position of staggering mutually, so can see 4 butt 11 altogether.
Below, for inserting drip molding 10 ', cut off the coupling part 162 of the other end 111 with the sheet frame 15 of the coupling part 161 of internal stator iron core 12 and sheet frame part 15 and terminal pins 11, form the insertion drip molding 10 (the 1st cuts off operation) that has explained in conjunction with Fig. 1, Fig. 2 and Fig. 3.At this moment, in 4 terminal pins, be terminal pins 71,72 in epimere 2 terminal pins 11 side by side, be terminal pins 73,74 in hypomere 2 terminal pins 11 side by side.
Like this, this form is by manufacturing is wound with the terminal pins 71,72,73,74 o'clock of thin winding coil 60 to the steel plate punch process, after forming terminal pins 11 by punch process, through removing the terminal trimming of sharp keen burr part 116 that is formed at the bight 115 of terminal pins 11 because of punch process, in the bight of terminal pins 11 ( terminal pins 71,72,73,74) 115 no sharp keen burr parts 116.Thereby, even the end end of winding coil 60 is wound up into terminal pins 71,72,73,74, the problem that also can avoid winding coil 60 to be cut off by burr part 116.
Through behind the terminal trimming, cut off an end 111 of terminal pins 11 and the coupling part 162 of sheet frame part 15, so when carrying out the terminal trimming, an end 111 of terminal pins 11 is in the state that is connected with sheet frame 15 parts.And when handling terminal pins 11, can handle integratedly with sheet frame part 15, thereby can carry out the terminal trimming expeditiously.
When carrying out the terminal trimming, the other end 112 of terminal pins 11 also is in the state that is connected with sheet frame part 15 through stator core 12.Thereby at the terminal trimming, during by conquassation processing or chamfer machining deburring part 116, the two ends of terminal pins 11 are supported by sheet frame part 15, can prevent the distortion of terminal pins 15 etc.
Above-mentioned example is a most preferred embodiment of the present invention, but is not limited to this, and without departing from the spirit and scope of the present invention, the present invention can do various distortion and implement.Such as, not with stator core double as motor field frame, can be with motor field frame and stator core as around dividing member covering stator iron core and the coil rack.As the stator core group also can not be 2 and be made as 1, can also be made as 3.Have again, the invention is not restricted to stepping motor, applicable to the terminal pins of making various motor or other machines.
As described above, after the present invention forms terminal pins by stamping procedure, remove the sharp keen burr part 116 that is formed at the bight of terminal pins because of punch process, so there is not sharp keen burr part in the bight of terminal pins.Thereby, even the fine rule of winding coil etc. is wound up into terminal pins 4, the also problem that can avoid fine rule partly to be cut off by burr.After the deburring part, cut off an end of terminal pins and the coupling part of sheet frame part, so in the man-hour that adds of deburring part, an end of terminal pins partly is in the state that is connected with sheet frame.And when handling terminal pins, can handle integratedly with the sheet frame part, thereby can carry out deburring processing expeditiously.
Claims (8)
1. the manufacture method of a terminal, the manufacture method system of described terminal is characterized in that by processing and manufacturing is wound with the terminal pins of fine rule to plate stamping described method is carried out following operation:
Nationality is by described punch process, an end of described terminal pins partly is connected, with the stamping procedure of described sheet material molding with sheet frame,
Through described punch process, remove the terminal trimming of the sharp keen burr part in the bight that is formed at described terminal pins,
Through behind this terminal trimming, cut off an end of described terminal pins and the 1st cut-out operation of described sheet frame coupling part partly.
2. the manufacture method of terminal pins according to claim 1 is characterized in that, in described stamping procedure, with described sheet material molding, the other end of described terminal pins directly or indirectly is connected with described sheet frame part,
Through behind the described terminal trimming, cut off the 2nd cut-out operation of coupling part of the other end of described sheet frame portion and described terminal pins.
3. the manufacture method of terminal pins according to claim 1 is characterized in that, at described terminal trimming, removes described burr part by conquassation processing or chamfer machining.
4. the manufacture method of a motor, the manufacture method system of described motor makes and is wound with the terminal pins of winding coil and the stator core of motor by to plate stamping processing, it is characterized in that described manufacture method is carried out following operation:
Nationality is by described punch process, with the stamping procedure of described sheet material molding, and the stamping procedure that end of described terminal pins and described stator core partly are connected with sheet frame respectively,
Through described punch process, remove the terminal trimming of the sharp keen burr part in the bight that is formed at described terminal pins,
Through behind this terminal trimming, cut off an end and the coupling part of described sheet frame part and the 1st cut-out operation of described stator core and described sheet frame coupling part partly of described terminal pins.
5. the manufacture method of motor according to claim 4 is characterized in that,
Put up 2 at described sheet material that will molding in described stamping procedure and to do under the state that closes to insert to be shaped, after making described terminal pins and described stator core form the insertion forming process of coil rack of the rich usefulness of winding coil volume of one, carry out the described the 1st and cut off operation.
6. the manufacture method of motor according to claim 4 is characterized in that,
At described stamping procedure, with described sheet material molding, the other end of described terminal pins is connected with described stator core,
After carrying out described terminal trimming, cut off the other end of described terminal pins and described stator core the coupling part the 2nd cut off operation.
7. the manufacture method of motor according to claim 6 is characterized in that, after the above-mentioned sheet material of having been done molding by described stamping procedure being carried out described the 2nd cut-out operation,
This sheet material puted up under the state that closes to do to insert 2 be shaped, carry out the insertion forming process of coil rack that described terminal pins and described stator core form the winding coil coiling usefulness of one,
Then, carry out the described the 1st and cut off operation.
8. the manufacture method of motor according to claim 4 is characterized in that, at described terminal trimming, removes described burr part by conquassation processing or chamfer machining.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001270363 | 2001-09-06 | ||
| JP2001270363A JP3916429B2 (en) | 2001-09-06 | 2001-09-06 | Terminal manufacturing method and motor manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1404202A true CN1404202A (en) | 2003-03-19 |
| CN1204676C CN1204676C (en) | 2005-06-01 |
Family
ID=19096027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02132035 Expired - Fee Related CN1204676C (en) | 2001-09-06 | 2002-09-06 | Method for producing terminal and method for producing motor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3916429B2 (en) |
| CN (1) | CN1204676C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290877A (en) * | 2010-06-16 | 2011-12-21 | 三星电机株式会社 | Core and motor having the same |
| CN112688477A (en) * | 2020-12-16 | 2021-04-20 | 江苏雷利电机股份有限公司 | Stator assembly and motor using same |
| CN112803709A (en) * | 2020-12-31 | 2021-05-14 | 深圳市利宏微形电机有限公司 | Low-cost stepping motor |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5351529B2 (en) | 2009-01-19 | 2013-11-27 | 日本電産サンキョー株式会社 | motor |
| JP5351530B2 (en) * | 2009-01-19 | 2013-11-27 | 日本電産サンキョー株式会社 | motor |
| CN101882845B (en) * | 2010-06-13 | 2012-05-23 | 曹峻岭 | Method for manufacturing core winding of combined wind driven generator |
-
2001
- 2001-09-06 JP JP2001270363A patent/JP3916429B2/en not_active Expired - Fee Related
-
2002
- 2002-09-06 CN CN 02132035 patent/CN1204676C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290877A (en) * | 2010-06-16 | 2011-12-21 | 三星电机株式会社 | Core and motor having the same |
| US8476802B2 (en) | 2010-06-16 | 2013-07-02 | Samsung Electro-Mechanics Co., Ltd. | Core and motor having the same |
| CN112688477A (en) * | 2020-12-16 | 2021-04-20 | 江苏雷利电机股份有限公司 | Stator assembly and motor using same |
| CN112803709A (en) * | 2020-12-31 | 2021-05-14 | 深圳市利宏微形电机有限公司 | Low-cost stepping motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3916429B2 (en) | 2007-05-16 |
| JP2003088062A (en) | 2003-03-20 |
| CN1204676C (en) | 2005-06-01 |
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| C14 | Grant of patent or utility model | ||
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Owner name: NIDEC SANKYO CORP. Free format text: FORMER NAME OR ADDRESS: SANKYO SEIKI MFG. SEISAKUSHO K.K. |
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Address after: Nagano Patentee after: Sankyo Seiki Seisakusho KK Address before: Nagano Patentee before: Sankyo Seiki Manufacturing Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050601 Termination date: 20200906 |