CN108696066A - A kind of pressing tooling of hollow cup coil - Google Patents
A kind of pressing tooling of hollow cup coil Download PDFInfo
- Publication number
- CN108696066A CN108696066A CN201810676063.7A CN201810676063A CN108696066A CN 108696066 A CN108696066 A CN 108696066A CN 201810676063 A CN201810676063 A CN 201810676063A CN 108696066 A CN108696066 A CN 108696066A
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- China
- Prior art keywords
- hollow cup
- cup coil
- pressing
- clamping part
- coil
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
- H02K15/0435—Wound windings
- H02K15/0442—Loop windings
- H02K15/045—Form wound coils
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present embodiments relate to electrical-coil manufacturing technology fields, disclose a kind of pressing tooling of hollow cup coil.In the present invention, the pressing tooling of the hollow cup coil includes upper jig and the lower jig that is oppositely arranged with the upper jig, the upper jig includes the press keeping section for pressing the hollow cup coil, the lower jig includes the holding parts for surrounding receiving space, the holding parts include the internal face for surrounding the receiving space, and the internal face is used to abut during the press keeping section presses the hollow cup coil and holds the hollow cup coil.The pressing tooling of hollow cup coil provided by the invention can make the hollow cup coil both ends equivalent width suppressed, each tap lead spacing uniform, and coil dimension is accurate.
Description
Technical field
The present embodiments relate to electrical-coil manufacturing technology field, more particularly to the pressing work of a kind of hollow cup coil
Dress.
Background technology
Hollow-cup motor belongs to direct current, permanent magnetism, servo small and special electric machine, using hollow cup rotor, completely eliminate due to
Iron core form vortex and caused by electric energy loss, while its weight and rotary inertia are greatly reduced, to reduce rotor itself
Mechanical energy loss, with energy conservation characteristic outstanding, sensitive convenient control characteristic and stabilization operation characteristic.Meanwhile it is empty
The energy density of heart cup motor increases substantially, and compared with the iron core motor of Same Efficieney, weight, volume substantially reduce.Make
For efficient energy conversion device, hollow-cup motor represents one of developing direction of motor.Hollow-cup motor overcomes iron
The impassable technology barrier of core motor, and its feature outstanding concentrates on the main performance aspect of motor, it is made to have
Wide application field.Especially with the rapid development of industrial technology, the stringent technical conditions of various electromechanical equipments are to motor
Servo characteristic constantly propose higher and higher technology requirement, so that hollow-cup motor is possessed in many application scenarios irreplaceable
Status.Such as need quick response require missile heading control, high magnification CD-ROM drive servo antrol, it is fast automatic focusing,
Highly sensitive record and detection device, industrial robot etc..Meanwhile the application range of hollow-cup motor is completely de- at present
Limitation from high-end product is promptly expanding in the general civilian application range waited on low-end products, to carry extensively
Rise product quality.Portable instrument that is steady, persistently dragging, personal equipment with oneself such as are required to driving original paper;It is various
Aeronautics and Astronautics aircraft, civil electric appliance, industrial products etc..And the finishing procedure of hollow-cup motor coil is hollow-cup motor system
The dimensional accuracy of one of critical process made, hollow cup coil directly determines the homogeneity of motor performance, reliability.Drag cup
Coil making has two class of direct coiling and indirect coiling, is " coiling → pressing → reel → circle repoussage mostly to indirect Winding type
Shape " technique is grouped as wherein flattening and needing to flatten tooling using tooling is flattened by the upper and lower part that shape is cuboid, after coiling
Coil be placed on heating between the plane of upper and lower jig and be pressed into tabular.
Inventor has found that at least there are the following problems in the prior art:Hollow cup coil after coiling is also uncertain before pressing
Type, during flattening hollow cup coil, hollow cup coil can because be internally hollow due to flatten tooling vertical direction on
Chip hold down under to horizontal direction extend, and due to flatten tooling shape be cuboid, be unable to control hollow cup coil
Development length, to cause to suppress, the hollow cup coil dimensional uniformity come is poor, and two head widths differ.
Invention content
Embodiment of the present invention is designed to provide a kind of pressing tooling of hollow cup coil so that is suppressed is hollow
Cup coil both ends equivalent width, coil dimension are accurate.
In order to solve the above technical problems, embodiments of the present invention provide a kind of pressing tooling of hollow cup coil, packet
It includes:Upper jig and the lower jig being oppositely arranged with the upper jig, the upper jig include for pressing the hollow cup coil
Press keeping section, the lower jig includes the holding parts for surrounding receiving space, and the holding parts include surrounding the receiving space
Internal face, the internal face are used to abut and hold described hollow during the press keeping section presses the hollow cup coil
Cup coil.
Embodiment of the present invention in terms of existing technologies, the pressing tooling include upper jig and with the upper jig
The lower jig being oppositely arranged, the upper jig include the press keeping section for pressing the hollow cup coil, and the lower jig includes
The holding parts of receiving space are surrounded, the holding parts include the internal face for surrounding the receiving space, are pressed in the press keeping section
During the hollow cup coil, the internal face abuts and holds the hollow cup coil, so that the hollow cup coil
Under the limitation effect of the internal face, it will not extend to horizontal direction due to the chip hold down on press keeping section vertical direction and become
Shape, to avoid the problem that hollow cup coil dimensional uniformity is poor in the prior art, two head widths differ.Due to receiving sky
Between shape be constant, i.e., the distance between described internal face both sides are fixed values so that are suppressed via the pressing tooling
The width of the hollow cup coil come is consistent with the distance between the internal face both sides, ensures that the drag cup after flattening
The dimensional accuracy of coil.
In addition, the holding parts include being oppositely arranged down close to the upper surface of the press keeping section and with the upper surface
Surface, the receiving space are the recess extended from the upper surface towards the direction of the lower surface.
In addition, the holding parts include the first clamping part and fix and enclose with first clamping part and be set as the receipts
Hold second clamping part in space.Holding parts are arranged to the first clamping part and second clamping part two parts so that holding parts not office
It is limited to the structure of an entirety, so that in the production process of holding parts, the first clamping part and can be processed into respectively
Two clamping parts, manufacture craft and become more easy.
In addition, second clamping part is equipped with the notch being connected to the receiving space.By the tap of hollow cup coil
It is placed in notch, when press keeping section presses hollow cup coil, the position of tap is because the positioning action of notch is without will produce partially
It moves.
In addition, the top edge of the notch is the seamed edge close to the press keeping section, it is rounded down on the seamed edge or oblique angle.
Rounded corner or oblique angle refer to the processing for the corner angle of the second clamping part being cut into arc surface or inclined-plane so that tap can be easier
Enter in notch via the top edge group of notch, and is not easy to scratch enameled wire.
In addition, first clamping part includes the first flanging extended vertically and is bent from first flanging and towards water
Square to extension the second flanging, second flanging fixes with second clamping part.
In addition, the depth of the notch is less than the height of first flanging in the vertical direction.
In addition, second flanging is fixed via screw and second clamping part.
In addition, the pressing tooling further includes guide part, the upper jig is along the guide part towards controlling under described
It moves to press the hollow cup coil in the direction of tool.Pass through such structure so that the moving direction of upper jig is in guide part
It is kept fixed under effect, will not shift during pressure holding, cause the hollow cup coil dimensional uniformity suppressed poor,
Further ensure the dimensional accuracy of hollow cup coil after flattening.
In addition, the guide part includes that alignment pin in the upper jig and the lower jig in one, another is arranged
Pin hole in one, the alignment pin are fastened in the pin hole.
Description of the drawings
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element with same reference numbers label is expressed as similar element in attached drawing, removes
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the structural schematic diagram of the pressing tooling of the hollow cup coil provided according to first embodiment of the invention;
Fig. 2 is the sectional view of the pressing tooling of the hollow cup coil provided according to first embodiment of the invention;
Fig. 3 is that the pressing work of the hollow cup coil provided according to first embodiment of the invention holds the structure of jig and shows
It is intended to.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention
In formula, many technical details are proposed in order to make reader more fully understand the present invention.But even if without these technical details
And various changes and modifications based on the following respective embodiments, it can also realize claimed technical solution of the invention.
The first embodiment of the present invention is related to a kind of pressing toolings 100 of hollow cup coil, as shown in Figure 1, including upper
Jig 1 and the lower jig 2 being oppositely arranged with upper jig 1, upper jig 1 include the pressure for pressing hollow cup coil (not shown)
Portion 11 is held, lower jig 2 includes the holding parts 21 for surrounding receiving space 20, and holding parts 21 include the internal face for surrounding receiving space 20
211, internal face 211 is used to abut during press keeping section 11 presses hollow cup coil and holds hollow cup coil.
Embodiment of the present invention in terms of existing technologies, flatten tooling 100 include upper jig 1 and with 1 phase of upper jig
To the lower jig 2 of setting, upper jig 1 includes the press keeping section 11 for pressing hollow cup coil, and lower jig 2 includes surrounding receiving sky
Between 20 holding parts 21, holding parts 21 include surrounding the internal face 211 of receiving space 20, and hollow cup coil is pressed in press keeping section 11
During, internal face 211, which abuts, simultaneously holds hollow cup coil, so that hollow cup coil is under the limitation effect of internal face 211,
It will not be due to the chip hold down on press keeping section vertical direction to horizontal direction extensional, to avoid drag cup in the prior art
The problem of coil dimension consistency is poor, and two head widths differ.Since the shape of receiving space 20 is constant, i.e. internal face 211
The distance between both sides are fixed values so that via the pressing tooling 100 suppress come hollow cup coil width with it is interior
The distance between 211 both sides of wall surface are consistent, ensure that the dimensional accuracy of the hollow cup coil after flattening.
Details, which is specifically described, to be realized to a kind of pressing tooling 100 of hollow cup coil of present embodiment below,
The following contents only for convenience of the realization details provided is understood, not implements the necessary of this programme.
In the present embodiment, holding parts 21 include opposite close to the upper surface 212 of press keeping section 11 and with upper surface 212
The lower surface 213 of setting, receiving space 20 are the recess extended from upper surface 212 towards the direction of lower surface 213.Such structure makes
Hollow cup coil in applanation process, can be immobilizated in recess in and the limitation of recess effect under will not excessive deformation, really
The precision of hollow cup coil size after flattening is protected.It should be noted that the width of recess is equal with the width of press keeping section 11, with
Make press keeping section 11 when hollow cup coil in the valley is placed in pressure holding, each position of hollow cup coil can be pressed
It arrives, is consistent to make to suppress the hollow cup coil thickness come, the certain positions for avoiding hollow cup coil are not pressed
Hold to the case where and cause pressure holding out hollow cup coil thickness differ the case where, further ensure pressing after it is hollow
The dimensional accuracy of cup coil.
It is noted that holding parts 21 include the first clamping part 215 and are fixed with the first clamping part 215 and enclose and set
At the second clamping part 216 of receiving space 20.Holding parts 21 are arranged to the first clamping part 215 and the second clamping part 216 two
Point so that holding parts 21 are not limited to the structure of an entirety, so that because that can distinguish in the production process of holding parts 21
It processes the first clamping part 215 and the second clamping part 216 and becomes more easy.It is understood that holding parts 21 can also one
It is body formed, have no effect on the technique effect of present embodiment.
Preferably, the second clamping part 216 is equipped with multiple notches 22 being connected to receiving space 20.Hollow-cup coil winding
Multiple taps can be formed after the completion, in the pressing link of hollow cup coil, if the position of tap is not fixed, when press keeping section 21
Press hollow cup coil when, since hollow cup coil can extend to both ends, tap position can with the deformation of hollow cup coil and
Offset, the dimensional accuracy of coil is not high after pressing, multiple is connected to receiving space 20 by being arranged on the second clamping part 216
The tap of hollow cup coil is placed in notch 22 by notch 22, when press keeping section 21 presses hollow cup coil, the position of tap
Because notch 22 positioning action without will produce offset, due to the distance between notch 22 be it is changeless, such structure
Design makes the tap spacing all having the same of the hollow cup coil after being flattened by pressing tooling 100, ensures that pressure
The dimensional accuracy of hollow cup coil after flat.
It is understood that since hollow cup coil also needs to reel after pressing, and being needed during reel will be hollow
The split winding type synchronous motor at cup coil head and the tail both ends together, so in the present embodiment, the number of notch 22 should be more than the number of tap
One, for example need to make the hollow cup coil of 5 taps, then the number of notch 22 should be 6.Further, since holding parts 21
It is made of the first clamping part 215 and 216 two parts of the second clamping part, and notch 22 is on the second clamping part 216, so working as
When needing to make the hollow cup coil of different tap numbers, the second clamping part 216 of different notch numbers is only needed to change, and second is pressed from both sides
It holds portion 216 and the first clamping part 215 is fixed, without entire pressing tooling is needed to change, be greatly saved jig cost and control
Has memory space.
It is noted that as shown in figure 3, the top edge of notch 22 is the seamed edge 23 close to press keeping section 11, on seamed edge 23
It is rounded down.Rounded corner refers to the processing for the corner angle of the second clamping part 216 being cut into arc surface so that tap can be easier
Be placed in notch 22, also avoid assembler or operator by the second clamping part acute angle scratch.
It should be noted that in the present embodiment, as shown in Fig. 2, the first clamping part 215 includes first extended vertically
It flanging 2151 and is bent from the first flanging 2151 and the second flanging 2152 for extending in the horizontal direction, the second flanging 2152 and the
Two clamping parts 216 are fixed.
In order to avoid the depth because of notch 22 is too deep, (such as depth of notch 22 is more than the first flanging 2151 in vertical direction X
On height) can not be abutted with the bottom of notch 22 when the tap of hollow cup coil being caused to be placed in notch 22 so that tap
In the vertical direction there is no being fixed by notch 22, erected to make the position of tap be generated in the applanation process of hollow cup coil
The upward offset of histogram, therefore, in the present embodiment, the depth of notch 22 is in the vertical direction less than the first flanging 2151
Highly.
Specifically, the second flanging 2152 is fixed via screw and the second clamping part 216.As shown in Fig. 2, the second flanging
2152 one end far from the first flanging 2151 are equipped with the first screw hole 2152A, 216 the first screw hole of face 2152A's of the second clamping part
Position is equipped with the second screw hole 2161, the second flanging 2152 and the second clamping part 216 and runs through the first screw hole 2152A and the via screw
Two screw holes 2161 are fixed.By the way that the first screw hole 2152A is arranged on the second flanging 2152, is arranged on the second clamping part 216
Two screw holes 2161 so that the second flanging 2152 and the second clamping part 216 can be closely fixed together by screw, needed
When replacing the first clamping part 215 or the second clamping part 216, replacement between the two can be realized by unscrewing screw, operation
Simply, highly practical.Meanwhile first the number of screw hole 2152A and the second screw hole 2161 can set according to demand, have no effect on
The technique effect of present embodiment.
It is noted that it further includes guide part 3 to flatten tooling 100, upper jig 1 is along guide part 3 towards close to lower jig 2
Direction move to press hollow cup coil.Pass through such structure so that effect of the moving direction of upper jig 1 in guide part 3
Under remain unchanged, the offset on pressure holding direction will not occur due to not having to position during pressure holding, cause to suppress and
Hollow cup coil dimensional uniformity is poor, further ensures the dimensional accuracy of hollow cup coil after flattening.
It should be noted that in the present embodiment, guide part 3 includes being arranged in upper jig 1 and lower jig 2 in one
Alignment pin, the pin hole in another one, alignment pin is fastened in pin hole.It is arranged on lower jig with alignment pin, pin hole
For being arranged on upper jig 1, the guide part 3 of such structure designs simply, good positioning effect.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of pressing tooling of hollow cup coil, including upper jig and the lower jig that is oppositely arranged with the upper jig, it is special
Sign is that the upper jig includes the press keeping section for pressing the hollow cup coil, and the lower jig includes surrounding receiving sky
Between holding parts, the holding parts include the internal face for surrounding the receiving space, and the internal face is used in the press keeping section
It is abutted during pressing the hollow cup coil and holds the hollow cup coil.
2. the pressing tooling of hollow cup coil according to claim 1, which is characterized in that the holding parts include close to institute
The lower surface stated the upper surface of press keeping section and be oppositely arranged with the upper surface, the receiving space are from the upper surface court
The recess that the direction of the lower surface extends.
3. the pressing tooling of hollow cup coil according to claim 2, which is characterized in that the holding parts include the first folder
It holds portion and is fixed with first clamping part and enclose the second clamping part for being set as the receiving space.
4. the pressing tooling of hollow cup coil according to claim 3, which is characterized in that second clamping part is equipped with
The notch being connected to the receiving space.
5. the pressing tooling of hollow cup coil according to claim 4, which is characterized in that on each seamed edge of the notch
It is rounded down or oblique angle.
6. the pressing tooling of hollow cup coil according to claim 4, which is characterized in that first clamping part includes perpendicular
The first flanging directly extended and the second flanging for bending from first flanging and extending in the horizontal direction, second flanging
It is fixed with second clamping part.
7. the pressing tooling of hollow cup coil according to claim 6, which is characterized in that the depth of the notch is less than institute
State the height of the first flanging in the vertical direction.
8. the pressing tooling of hollow cup coil according to claim 6, which is characterized in that second flanging is via screw
It is fixed with second clamping part.
9. the pressing tooling of hollow cup coil according to claim 1, which is characterized in that the pressing tooling further includes leading
To portion, the upper jig is moved towards the direction close to the lower jig to press the hollow cup coil along the guide part.
10. the pressing tooling of hollow cup coil according to claim 9, which is characterized in that the guide part includes setting
Alignment pin in the upper jig and the lower jig in one, the pin hole in another one, the alignment pin are fastened in
In the pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676063.7A CN108696066A (en) | 2018-06-27 | 2018-06-27 | A kind of pressing tooling of hollow cup coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676063.7A CN108696066A (en) | 2018-06-27 | 2018-06-27 | A kind of pressing tooling of hollow cup coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108696066A true CN108696066A (en) | 2018-10-23 |
Family
ID=63849135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810676063.7A Pending CN108696066A (en) | 2018-06-27 | 2018-06-27 | A kind of pressing tooling of hollow cup coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108696066A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450194A (en) * | 2018-11-29 | 2019-03-08 | 上海迈昆控制系统有限公司 | A kind of pressing tooling of hollow cup coil |
| CN114348620A (en) * | 2021-12-21 | 2022-04-15 | 宁波瀚宇智能科技有限公司 | Automatic feeding and discharging clamp of winding machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522863A (en) * | 2011-12-20 | 2012-06-27 | 深圳市双环全新机电股份有限公司 | Automated production device of coreless coil |
| CN103683735A (en) * | 2013-12-05 | 2014-03-26 | 宝鸡航天华科机电工业有限公司 | Forming method and special former of multi-layer hollow cup motor winding |
-
2018
- 2018-06-27 CN CN201810676063.7A patent/CN108696066A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522863A (en) * | 2011-12-20 | 2012-06-27 | 深圳市双环全新机电股份有限公司 | Automated production device of coreless coil |
| CN103683735A (en) * | 2013-12-05 | 2014-03-26 | 宝鸡航天华科机电工业有限公司 | Forming method and special former of multi-layer hollow cup motor winding |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450194A (en) * | 2018-11-29 | 2019-03-08 | 上海迈昆控制系统有限公司 | A kind of pressing tooling of hollow cup coil |
| CN114348620A (en) * | 2021-12-21 | 2022-04-15 | 宁波瀚宇智能科技有限公司 | Automatic feeding and discharging clamp of winding machine |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181023 |
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