CN107834787A - Laminate device and laminate heart tire with modularization - Google Patents
Laminate device and laminate heart tire with modularization Download PDFInfo
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- CN107834787A CN107834787A CN201711216103.1A CN201711216103A CN107834787A CN 107834787 A CN107834787 A CN 107834787A CN 201711216103 A CN201711216103 A CN 201711216103A CN 107834787 A CN107834787 A CN 107834787A
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- quick change
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- special quick
- hole
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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
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Tyre Moulding (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to electric machine stator iron to laminate heart tire, specially laminates device and laminates heart tire with modularization, solves at present that the existing heart tire specification that laminates is fixed, and manufacturing cost is high, cycle length, the problem of easily pulling iron core during tread flaking, scheme：Including cross column hollow matrix, there is supporting plate carcass lower end, one termination of cross rib is fixed with quick change stuck-module, the other end is connected with active module, active module is supported by hydraulic cylinder with cross rib end face, back-moving spring is cased with attachment screw, active module and stuck-module outer surface are cased with top board and lower platen.Advantage：1st, rational in infrastructure, manufacturing cost is low, in light weight；2nd, carcass is general, and the punching that can complete plurality of specifications laminates；3rd, iron-core lamination internal diameter will not be pulled during tread flaking, ensures product quality；4th, stuck-module and active module match grinding use, and reprocess conveniently, and utilization rate is high, and cost is reprocessed in reduction, shorten frock processing, maintenance cycle.
Description
Technical field
The present invention relates to electric machine stator iron to laminate heart tire, specially laminates device and laminates heart tire with modularization.
Background technology
With the fast development of domestic and international railway construction and the continuous improvement of user's request, motor manufacturing cycle and economy
The problem of must being paid close attention to as motor manufacturing enterprise.In whole motor development process manufacture unshakable in one's determination be the controlled motor manufacturing cycle and
The emphasis of economy, the most important thing for laminating undoubtedly motor manufacturing unshakable in one's determination.Iron core laminating is to restrict iron core with technological equipment
Laminate a key factor of cycle and economy.Railways machine is more unshakable in one's determination using full laminated stator at present, in iron core laminating
Equipment is laminated on device by laminating tool closed assembly, pressure, welding fabrication.It is traditional that to laminate device with laminating tool be the special of standard
Frock, that is to say, that a kind of product correspond to the laminating tool of a set of stator core in theory.With the diversity of Products,
Traditional laminating tool is more and more, and not only tool management pressure is increasing, and traditional laminating tool manufacturing cycle is grown, manufacture
Cost is high, it is impossible to meets that the Products cycle is short, the needs more than species.And existing to laminate device with laminating tool be the fixed heart
Tire, during tread flaking unshakable in one's determination easily causing iron core pulls, and causes unnecessary quality and economic loss.Therefore, design is a kind of
Can suitable for various size, and will not be pulled during tread flaking iron core the heart tire that laminates extremely be necessary.
The content of the invention
The present invention solves at present that the existing heart tire specification that laminates is fixed, and manufacturing cost is high, cycle length, easily pulls iron during tread flaking
The problem of heart, there is provided one kind laminates device and laminates heart tire with modularization.
The present invention is achieved by the following technical solutions：Laminate device and laminate heart tire with modularization, including cross section is ten
The column carcass of font, the cross searching of the carcass are vertically provided with tie rod hole, and the carcass bottom is fixed with supporting plate, described
The through hole relative with tie rod hole is provided with supporting plate, cross rib one end head erect of the carcass is fixed with special quick change and consolidated
Cover half block, the special quick change stuck-module outer surface be vertically evenly equipped with it is multiple be provided with countersunk head through hole, it is described special
Adjustment block corresponding with countersunk head through hole is lined between quick change stuck-module and the cross rib termination of carcass, is twisted in the countersunk head through hole
There are fixing screws that special quick change stuck-module, adjustment block, carcass are contacted be fixedly connected successively；One cross rib of the carcass
Another termination is connected with special quick change active module, and another termination of cross rib is provided with the groove being arranged in a vertical direction, institute
State and multiple horizontally disposed hydraulic cylinders to be stretched along the cross rib bearing of trend are vertically evenly equipped with groove, it is described special
Quick change active module outer surface is vertically evenly equipped with multiple countersunk head through holes, and housing screw is installed with the countersunk head through hole,
Back-moving spring is provided between the nut and counter sink of the housing screw, the termination of the housing screw is twisted through countersunk head through hole
Gu in another cross cut end (of a beam) of cross rib, the hydraulic cylinder termination is supported on special quick change active module towards the cross rib termination
A side surface on；Limition orientation groove, the cross rib other end are provided with the special quick change active module two sides vertically
Multiple limition orientation claws are vertically evenly equipped with respectively on the two sides of head, and described limition orientation claw one end passes through screw
The side of another termination of cross rib is fixed on, the other end of the limition orientation claw is provided with special quick change active module simultaneously
And fin of the buckle in limition orientation groove；One termination of another cross rib of the carcass is fixed with structure as described above
Special quick change stuck-module, another termination of another cross rib of the carcass are connected with the special quick change of structure as described above
Active module；The special quick change stuck-module, the outer surface match grinding of special quick change active module are and iron-core lamination internal diameter phase
The arc surface of cooperation；It is supported by and is enclosed on special quick change stuck-module and special quick change active module outer surface in the supporting plate
Male flange shape lower platen, the lower platen flange surface support on the supporting plate, the diameter of bore of the lower platen
More than being passed through in iron-core lamination, the flange portion external diameter of the lower platen is engaged with lower clamping ring internal diameter unshakable in one's determination；The carcass upper end
It is supported by the upper pressure for the inverted male flange shape being enclosed on special quick change stuck-module and special quick change active module outer surface
Plate, the endoporus of the top board are machined with step hole, and the carcass upper surface is supported on the cascaded surface in step hole,
The internal diameter in the step hole is more than iron-core lamination internal diameter, the flange portion external diameter of the top board and upper trim ring internal diameter unshakable in one's determination
It is engaged, the through hole with the tie rod hole corresponding matching on carcass, the method for the top board and lower platen is provided with the top board
The hole being engaged with iron-core lamination pull-up rod aperture is evenly equipped with blue card.Criss-cross column carcass can mitigate carcass matter significantly
Amount, and the gap of cross rib conveniently sets fluid pressure line, reduces the contact surface with iron-core lamination.One termination of every cross rib
Fixed special quick change stuck-module, another termination connect special quick change active module, using Driven by Hydraulic Cylinder active module along ten
Word rib bearing of trend stretches, and so as to tensioner iron-core lamination internal diameter, plays a part of positioning and ensureing axiality.Special quick change activity
Module two sides are provided with limition orientation groove, using limition orientation claw buckle, ensure special quick change active module harmomegathus direction not
Glance off, and the damage iron-core lamination internal diameter that rises of being outside one's consideration will not be crossed.Connect the compression spiral shell of special quick change active module and carcass
Nail on and be cased with back-moving spring, it is ensured that special quick change active module inside contracts after hydraulic cylinder release, and is kept with iron-core lamination internal diameter
Intermittently, will not be pulled during iron-core lamination tread flaking.
Height adjusting cushion block is lined between the supporting plate and lower platen.Height adjusting block can be padded by lower platen, fully
Using laminating heart tire top working face, when reduction laminates the stroke of hydraulic jack and during tread flaking iron-core lamination hoisting height, carry
High workload efficiency.
The present invention has advantages below：1st, reasonable in design, frock manufacturing cost substantially reduces, in light weight；2nd, it is same
Carcass is generally applicable, special the quick change stuck-module and active module of different size of arranging in pairs or groups, coordinates hydraulic cylinder to complete plurality of specifications
Iron-core lamination laminate work；3rd, iron-core lamination internal diameter will not be pulled during tread flaking, ensures product quality；4th, special quick change stent
Block and special quick change active module match grinding use, and reprocess conveniently, and utilization rate is high, and cost is reprocessed in reduction, shorten frock processing, maintenance
Cycle.
Brief description of the drawings
Fig. 1 is structure sectional view of the present invention；
Fig. 2 is Fig. 1 A-A direction views；
Fig. 3 is Fig. 2 I positions partial enlarged drawing；
In figure：1- carcasses, 2- supporting plates, the special quick change stuck-modules of 3-, 4- adjustment blocks, 5- fixing screws, the special quick changes of 6- are lived
Dynamic model block, 7- hydraulic cylinders, 8- housing screws, 9- back-moving springs, 10- limition orientation claws, 11- iron-core laminations, 12- lower platens,
13- iron core lower clamping rings, 14- top boards, trim ring on 15- iron cores, 16- height adjusting cushion blocks.
Embodiment
Laminate device and laminate heart tire with modularization, including cross section is criss-cross column carcass 1, the cross of the carcass 1
Center is vertically provided with tie rod hole, and the bottom of carcass 1 is fixed with supporting plate 2, is provided with the supporting plate 2 relative with tie rod hole
Through hole, cross rib one end head erect of the carcass 1 are fixed with special quick change stuck-module 3, and the special quick change is fixed
The outer surface of module 3 be vertically evenly equipped with it is multiple be provided with countersunk head through hole, the special quick change stuck-module 3 and carcass 1
Adjustment block 4 corresponding with countersunk head through hole is lined between cross rib termination, fixing screws 5 are screwed with the countersunk head through hole will be special fast
Change stuck-module 3, adjustment block 4, carcass 1 and contact successively and be fixedly connected；One another termination of cross rib of the carcass 1 is connected with
Special quick change active module 6, another termination of cross rib are provided with the groove being arranged in a vertical direction, and the groove interior edge is vertical
Direction is evenly equipped with multiple horizontally disposed hydraulic cylinders 7 to be stretched along the cross rib bearing of trend, the special quick change active module 6
Outer surface is vertically evenly equipped with multiple countersunk head through holes, and housing screw 8, the housing screw are installed with the countersunk head through hole
Back-moving spring 9 is provided between 8 nut and counter sink, the termination of the housing screw 8 is twisted admittedly in cross through countersunk head through hole
Another cross cut end (of a beam) of rib, the termination of hydraulic cylinder 7 are supported on special quick change active module 6 towards the side of the cross rib termination
On surface；It is provided with limition orientation groove on the special two sides of quick change active module 6 vertically, the two of another termination of cross rib
Multiple limition orientation claws 10 are vertically evenly equipped with side respectively, described one end of limition orientation claw 10 is consolidated by screw
The side of another termination of cross rib is scheduled on, the other end of the limition orientation claw 10 is provided with special quick change active module 6
And fin of the buckle in limition orientation groove；One termination of another cross rib of the carcass 1 is fixed with knot as described above
The special quick change stuck-module of structure, another termination of another cross rib of the carcass 1 are connected with the special of structure as described above
With quick change active module；The special quick change stuck-module 3, the outer surface match grinding of special quick change active module 6 are to be rushed with iron core
The arc surface that the internal diameter of piece 11 is engaged；It is supported by the supporting plate 2 and is enclosed on special quick change stuck-module 3 and the activity of special quick change
The lower platen 12 of male flange shape on the outer surface of module 6, the flange surface of the lower platen 12 are supported in supporting plate 2, institute
The diameter of bore for stating lower platen 12 is more than warp in iron-core lamination 11, flange portion external diameter and the lower clamping ring unshakable in one's determination of the lower platen 12
13 internal diameters are engaged；The upper end of carcass 1, which is supported by, is enclosed on special quick change stuck-module 3 and the special appearance of quick change active module 6
The top board 14 of inverted male flange shape on face, the endoporus of the top board 14 are machined with step hole, the carcass 1
Upper surface is supported on the cascaded surface in step hole, and the internal diameter in the step hole is more than the internal diameter of iron-core lamination 11, described
The flange portion external diameter of top board 14 is engaged with the upper internal diameter of trim ring 15 of iron core, be provided with the top board 14 with carcass 1
The through hole of tie rod hole corresponding matching, the top board 14 pull up with being evenly equipped with the flange surface of lower platen 12 with iron-core lamination 11
The hole that rod aperture is engaged.
When it is implemented, it is lined with height adjusting cushion block 16 between the supporting plate 2 and lower platen 12.
When installing and using, in the bottom of supporting plate 2, pad sets padded seat, and the pull bar that hydraulic jack drives is passed through into the center of carcass 1
Through hole, by trim ring 15 is respectively fitted over lower platen 12 successively, special quick change is consolidated on lower clamping ring 13 unshakable in one's determination, iron-core lamination 11, iron core
On cover half block 3 and special quick change active module 6, top board 14, start the special quick change active module 6 of the tensioner of hydraulic cylinder 7 to iron core
Lower clamping ring 13, iron-core lamination 13, trim ring 15 carries out axiality adjustment positioning, limition orientation claw 10 and limition orientation groove on iron core
In the process to special quick change active module 6 carry out guide and limit, prevent its glance off or excessively tensioner and damage iron core
The internal diameter of punching 11, then hydraulic oil cylinder driving pull bar upper end connect briquetting compress top board 14 flange surface, start oil
Cylinder driving pull bar drop-down, laminates trim ring 15 on iron core, iron-core lamination 11 and lower clamping ring unshakable in one's determination 13 so as to compress, then will tense spiral shell
The through hole that bar coordinates through top board 14, on lower platen 12 with the tie rod hole of iron-core lamination 11 is strained and fixed.It is complete to fasten work
Cheng Hou, hydraulic jack load and the load of hydraulic cylinder 7 are unloaded, in the presence of back-moving spring 9, in special quick change active module 6
Contracting, tread flaking gap is formed between special quick change stuck-module 3, the special outer surface of quick change active module 6 and the internal diameter of iron-core lamination 11, is torn open
Except top board 14, you can the iron-core lamination 11 that lifting has laminated carries out tread flaking.It is right when laminating the iron-core lamination 11 of different size
Special quick change stuck-module 3 and special quick change active module 6 are changed.In addition, between supporting plate 2 and lower platen 12
Pad sets height adjusting cushion block 16, can be padded by lower platen 12, makes full use of and laminates heart tire top working face, hydraulic pressure when reduction laminates
The hoisting height of iron-core lamination 11 when the stroke of oil cylinder and tread flaking, improve operating efficiency.
Claims (2)
1. one kind laminates device and laminates heart tire with modularization, it is characterised in that：It is criss-cross column carcass including cross section（1）,
The carcass（1）Cross searching be vertically provided with tie rod hole, the carcass（1）Bottom is fixed with supporting plate（2）, the supporting plate
（2）On be provided with the through hole relative with tie rod hole, the carcass（1）Cross rib one end head erect be fixed with special quick change and consolidate
Cover half block（3）, the special quick change stuck-module（3）Outer surface, which is vertically evenly equipped with, multiple is provided with countersunk head through hole, institute
State special quick change stuck-module（3）With carcass（1）Cross rib termination between be lined with adjustment block corresponding with countersunk head through hole（4）,
Fixing screws are screwed with the countersunk head through hole（5）By special quick change stuck-module（3）, adjustment block（4）, carcass（1）Contact successively
It is fixedly connected；The carcass（1）An another termination of cross rib be connected with special quick change active module（6）, the cross rib
Another termination is provided with the groove being arranged in a vertical direction, and multiple horizontally disposed edges are vertically evenly equipped with the groove should
The flexible hydraulic cylinder of cross rib bearing of trend（7）, the special quick change active module（6）Outer surface is vertically evenly equipped with
Multiple countersunk head through holes, housing screw is installed with the countersunk head through hole（8）, the housing screw（8）Nut and counter sink between
It is provided with back-moving spring（9）, the housing screw（8）Termination twist solid another termination table in cross rib through countersunk head through hole
Face, the hydraulic cylinder（7）Termination is supported on special quick change active module（6）Towards on a side surface of the cross rib termination；Institute
State special quick change active module（6）Limition orientation groove is provided with two sides vertically, on the two sides of another termination of cross rib
Multiple limition orientation claws are vertically evenly equipped with respectively（10）, the limition orientation claw（10）One end is fixed by screw
In the side of another termination of cross rib, the limition orientation claw（10）The other end be provided with special quick change active module
（6）And fin of the buckle in limition orientation groove；The carcass（1）A termination of another cross rib be fixed with as above institute
State the special quick change stuck-module of structure, the carcass（1）Another termination of another cross rib be connected with knot as described above
The special quick change active module of structure；The special quick change stuck-module（3）, special quick change active module（6）Outer surface match grinding
For with iron-core lamination（11）The arc surface that internal diameter is engaged；The supporting plate（2）On be supported by and be enclosed on special quick change stuck-module
（3）With special quick change active module（6）The lower platen of male flange shape on outer surface（12）, the lower platen（12）Flange
Card is supported on supporting plate（2）On, the lower platen（12）Diameter of bore be more than iron-core lamination（11）Interior warp, the lower platen
（12）Flange portion external diameter and lower clamping ring unshakable in one's determination（13）Internal diameter is engaged；The carcass（1）Upper end be supported by be enclosed on it is special fast
Change stuck-module（3）With special quick change active module（6）The top board of inverted male flange shape on outer surface（14）, it is described
Top board（14）Endoporus be machined with step hole, the carcass（1）Upper surface is supported on the cascaded surface in step hole,
The internal diameter in the step hole is more than iron-core lamination（11）Internal diameter, the top board（14）Flange portion external diameter with iron core on
Trim ring（15）Internal diameter is engaged, the top board（14）On be provided with and carcass（1）On tie rod hole corresponding matching through hole, it is described
Top board（14）With lower platen（12）Flange surface on be evenly equipped with and iron-core lamination（11）The hole that pull-up rod aperture is engaged.
2. the device according to claim 1 that laminates laminates heart tire with modularization, it is characterised in that：The supporting plate（2）With under
Pressing plate（12）Between be lined with height adjusting cushion block（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216103.1A CN107834787B (en) | 2017-11-28 | 2017-11-28 | Modularized laminating core tire for laminating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216103.1A CN107834787B (en) | 2017-11-28 | 2017-11-28 | Modularized laminating core tire for laminating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107834787A true CN107834787A (en) | 2018-03-23 |
| CN107834787B CN107834787B (en) | 2019-12-20 |
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ID=61646042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711216103.1A Active CN107834787B (en) | 2017-11-28 | 2017-11-28 | Modularized laminating core tire for laminating machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107834787B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274226A (en) * | 2018-07-31 | 2019-01-25 | 西安泰富西玛电机有限公司 | A kind of winding-type, copper bar rotor rotor cold pressing hot jacket |
| CN109940085A (en) * | 2019-04-10 | 2019-06-28 | 珠海格力精密模具有限公司 | Automatic adhesive molding equipment in the mould of blanking thermal expansion can be compatible with |
| CN110808667A (en) * | 2019-10-21 | 2020-02-18 | 中车永济电机有限公司 | Motor iron core laminating tool with insert for adjusting diameter |
| CN115549408A (en) * | 2022-10-19 | 2022-12-30 | 中达电机股份有限公司 | Motor stator and rotor laminating manufacturing structure and manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201323509Y (en) * | 2008-12-09 | 2009-10-07 | 株洲博风科技有限公司 | Large-scale wind-driven generator stator iron core laminating device |
| CN102510179A (en) * | 2011-11-04 | 2012-06-20 | 江阴博风特种电机有限公司 | Process for assembling stator iron core of 3MW permanent-magnet synchronous wind power generator |
| CN103259378A (en) * | 2013-05-21 | 2013-08-21 | 永济新时速电机电器有限责任公司 | Skewed slot stator iron core non-pull overlying device |
| CN106787497A (en) * | 2016-12-29 | 2017-05-31 | 天津滨海通达动力科技有限公司 | A kind of regulated stator iron core laminating device |
-
2017
- 2017-11-28 CN CN201711216103.1A patent/CN107834787B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201323509Y (en) * | 2008-12-09 | 2009-10-07 | 株洲博风科技有限公司 | Large-scale wind-driven generator stator iron core laminating device |
| CN102510179A (en) * | 2011-11-04 | 2012-06-20 | 江阴博风特种电机有限公司 | Process for assembling stator iron core of 3MW permanent-magnet synchronous wind power generator |
| CN103259378A (en) * | 2013-05-21 | 2013-08-21 | 永济新时速电机电器有限责任公司 | Skewed slot stator iron core non-pull overlying device |
| CN106787497A (en) * | 2016-12-29 | 2017-05-31 | 天津滨海通达动力科技有限公司 | A kind of regulated stator iron core laminating device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274226A (en) * | 2018-07-31 | 2019-01-25 | 西安泰富西玛电机有限公司 | A kind of winding-type, copper bar rotor rotor cold pressing hot jacket |
| CN109940085A (en) * | 2019-04-10 | 2019-06-28 | 珠海格力精密模具有限公司 | Automatic adhesive molding equipment in the mould of blanking thermal expansion can be compatible with |
| CN110808667A (en) * | 2019-10-21 | 2020-02-18 | 中车永济电机有限公司 | Motor iron core laminating tool with insert for adjusting diameter |
| CN110808667B (en) * | 2019-10-21 | 2021-07-02 | 中车永济电机有限公司 | Motor iron core laminating tool with insert for adjusting diameter |
| CN115549408A (en) * | 2022-10-19 | 2022-12-30 | 中达电机股份有限公司 | Motor stator and rotor laminating manufacturing structure and manufacturing method |
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| Publication number | Publication date |
|---|---|
| CN107834787B (en) | 2019-12-20 |
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