CN103904836B - The stack-press device of a kind of direct-drive permanent-magnetism electricity generator stator core and laminating method thereof - Google Patents
The stack-press device of a kind of direct-drive permanent-magnetism electricity generator stator core and laminating method thereof Download PDFInfo
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- CN103904836B CN103904836B CN201410082690.XA CN201410082690A CN103904836B CN 103904836 B CN103904836 B CN 103904836B CN 201410082690 A CN201410082690 A CN 201410082690A CN 103904836 B CN103904836 B CN 103904836B
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Abstract
The invention discloses stack-press device and the laminating method thereof of a kind of direct-drive permanent-magnetism electricity generator stator core, stack-press device includes that stator stack presses cover plate, stator stack pressure base plate, stator laminates fetal rhythm, stator stack presses pressing plate, stator stack pressure fixed plate, laminating method is that the silicon steel sheet choosing surface band autohension hot pressing insulating coating is as stator core raw material, after assembling with stack-press device, it is heated to 200 DEG C and insulation has obtained good insulation preformance in 1 hour, avoid stator core stamping sheet and laminate coincidence, ensure that the stacking factor of stator core, ensure that the presentation quality of product.
Description
Technical field
The present invention relates to stack-press device and the laminating method thereof of a kind of direct-drive permanent-magnetism electricity generator stator core, belong to motor generator and manufacture field.
Background technology
The general form used from riveting and welding that laminates of traditional motor stator core ensures, during human weld, speed of welding, the emotion of personnel is all unstable, therefore it is difficult to accomplish the homogeneity of quality, and laminating between every stator, guarantee that every coincidence stacks, guaranteeing the flatness of punching, have difficulties, stator core laminates the electric conduction phenomena being susceptible to punching by welding, and after polishing with polishing machine in the surface of welding iron core, presentation quality is the most bad, and the insulation function outside iron core lost efficacy, it is impossible to meet the requirement of external high-end customer.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is desirable to provide the stack-press device of a kind of direct-drive permanent-magnetism electricity generator stator core and laminating method thereof.
The present invention is achieved through the following technical solutions:
A kind of laminating method of direct-drive permanent-magnetism electricity generator stator core, stack-press device including direct-drive permanent-magnetism electricity generator stator core, the stack-press device of direct-drive permanent-magnetism electricity generator stator core includes that stator stack presses cover plate and stator stack pressure base plate, stator stack presses and is vertically arranged stator and laminates fetal rhythm between cover plate and stator stack pressure base plate, stator stack presses the lower section of cover plate and stator laminates the upper end of fetal rhythm and arranges stator stack and press pressing plate, and the top of stator stack pressure base plate and stator laminate and arrange stator stack pressure fixed plate between fetal rhythm bottom；Described stator stack presses cover plate and arranges fastening bolt；Described stator stack presses and also sets up lifting bolt on cover plate, and its step includes:
The first step, selection: stator core is chosen for No yield point magnetic steel disc, steel disc is the silicon steel sheet of surface band autohension hot pressing insulating coating；
Second step, stack-press assembly: place corresponding with grooved at stator core top board arranges the dovetail groove of the quartering, is vertically arranged groove lining bar at dovetail groove, pings flute profile with groove rod；Guarantee that laminating of every stator core does not occurs inconsistent phenomenon；
3rd step, compaction step: be matched in clearance between the stator core laminating tyre heart and stator core stamping sheet, when stator core is laminated to the height needed, presses pressing plate by stator stack and is tightened by bolts, compress in bulk, it is ensured that there is the pressure of 2000kg to 3000kg at stator core two ends；
4th step, heating and thermal insulation: sling lifting bolt with crane, put into by stator core in electric heating forced air drying stove, keeping in-furnace temperature is 200 DEG C, and temperature retention time is 0.5 hour to 1.5 hours；
5th step, dismounting: after cooling, provision for disengagement, take out stator core.
The laminating method of described direct-drive permanent-magnetism electricity generator stator core, also includes above step: check the flatness of autohension stator core, control flatness at below 1.5mm between the first step and second step；Cleaning stator core surface.
The present invention compared with prior art, has the beneficial effects that the insulating properties that ensure that stator core, it is ensured that every punching laminates coincidence, it is ensured that the stacking factor of stator core, it is ensured that the presentation quality of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of direct-drive permanent-magnetism electricity generator stator core stack-press device of the present invention.
In figure: 1, stator laminates fetal rhythm；2, stator stack pressure base plate；3, stator stack pressure fixed plate；4, stator stack presses pressing plate；5, stator stack presses cover plate；6, plain washer；7, A Series of Disk Springs；8, hexagon-headed bolt；9, lifting bolt.
Detailed description of the invention
In order to make the technical problem to be solved, technical scheme and beneficial effect become apparent from understanding, below in conjunction with drawings and Examples, the present invention is described in further detail, should be appreciated that specific embodiment described herein, only in order to explain the present invention, does not limit the present invention.
First, material selection is No yield point magnetic steel disc, and steel disc is the silicon steel sheet of surface band autohension hot pressing insulating coating；
Check the flatness of autohension stator core, flatness is controlled at below 1.5mm;
The surface of stator core is gone through, it is to avoid greasy dirt and dust fall into before bonding；
Press place corresponding with grooved at pressing plate at stator stack and the dovetail groove of the quartering is set, be vertically arranged groove lining bar at dovetail groove, it is ensured that laminating of every punching does not occurs inconsistent phenomenon；If each dry tablet of the positive and negative lamination of stator core, each tooth, groove aligns respectively, positions with groove lining bar, pings flute profile with groove rod, it is ensured that mould and punching are qualified；
Being matched in clearance between the stator core laminating tyre heart and punching, by every punching location, when stator core is laminated to the height needed, locked with 6 bolts by stator core top board, compress in bulk, every block length 130+_0.5mm(is according to customer requirement)；
Press the lifting bolt installing correspondence on pressing plate at stator stack, sling with crane, stator core is put in electric heating forced air drying stove, keeping in-furnace temperature is 200 DEG C, coating is overflow trickle through high temperature, and being glued by stator core is an entirety, it is ensured that the stacking factor of product；
After overlapping punching sheet, during insulation, the pressure at two ends is 2581kg, and holding temperature is 200 DEG C, and temperature retention time is 1 hour；Dismantle the fixture of clamping after cooling, take out stator core.
Although the present invention is open as above with preferred embodiment; but it is not for limiting claim; any those skilled in the art are without departing from the spirit and scope of the present invention; can make possible variation and amendment, therefore protection scope of the present invention should be defined in the range of standard with the claims in the present invention.
Claims (2)
1. the laminating method of a direct-drive permanent-magnetism electricity generator stator core, it is characterized in that, stack-press device including direct-drive permanent-magnetism electricity generator stator core, the stack-press device of direct-drive permanent-magnetism electricity generator stator core includes that stator stack presses cover plate and stator stack pressure base plate, stator stack presses and is vertically arranged stator and laminates fetal rhythm between cover plate and stator stack pressure base plate, stator stack presses the lower section of cover plate and stator laminates the upper end of fetal rhythm and arranges stator stack and press pressing plate, and the top of stator stack pressure base plate and stator laminate and arrange stator stack pressure fixed plate between fetal rhythm bottom；Described stator stack presses cover plate and arranges fastening bolt；Described stator stack presses and also sets up lifting bolt on cover plate, and its step includes:
The first step, selection: stator core is chosen for No yield point magnetic steel disc, steel disc is the silicon steel sheet of surface band autohension hot pressing insulating coating；
Second step, stack-press assembly: place corresponding with grooved at stator core top board arranges the dovetail groove of the quartering, is vertically arranged groove lining bar at dovetail groove, pings flute profile with groove rod；Guarantee that laminating of every stator core does not occurs inconsistent phenomenon；
3rd step, compaction step: be matched in clearance between the stator core laminating tyre heart and stator core stamping sheet, when stator core is laminated to the height needed, presses pressing plate by stator stack and is tightened by bolts, compress in bulk, it is ensured that there is the pressure of 2000kg to 3000kg at stator core two ends；
4th step, heating and thermal insulation: sling lifting bolt with crane, put into by stator core in electric heating forced air drying stove, keeping in-furnace temperature is 200 DEG C, and temperature retention time is 0.5 hour to 1.5 hours；
5th step, dismounting: after cooling, provision for disengagement, take out stator core.
2. the laminating method of direct-drive permanent-magnetism electricity generator stator core as claimed in claim 1, it is characterised in that also include above step between the first step and second step: check the flatness of autohension stator core, control flatness at below 1.5mm；Cleaning stator core surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082690.XA CN103904836B (en) | 2014-03-07 | 2014-03-07 | The stack-press device of a kind of direct-drive permanent-magnetism electricity generator stator core and laminating method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082690.XA CN103904836B (en) | 2014-03-07 | 2014-03-07 | The stack-press device of a kind of direct-drive permanent-magnetism electricity generator stator core and laminating method thereof |
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| CN103904836A CN103904836A (en) | 2014-07-02 |
| CN103904836B true CN103904836B (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086810A1 (en) * | 2016-11-09 | 2018-05-17 | Siemens Aktiengesellschaft | Core for an electrical induction device |
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|---|---|---|---|---|
| CN104393720B (en) * | 2014-12-09 | 2016-09-28 | 国家电网公司 | Electricity generation and electromotion machine stator core through screw rod hole localization method |
| CN105449956B (en) * | 2015-11-27 | 2018-04-13 | 江苏通达动力科技股份有限公司 | A kind of T-shaped sectionalized stator punching laminates heating frock and its operating method |
| EP3454455A1 (en) * | 2017-09-11 | 2019-03-13 | KONE Corporation | Method for manufacturing a magnetic core of an electric machine, an electric machine utilizing the magnetic core thereof, and a magnetic core |
| CN112781774B (en) * | 2020-12-03 | 2022-12-09 | 江苏洛克电气集团有限公司 | Stator core lamination riveting quality detection method |
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| CN201134731Y (en) * | 2007-12-24 | 2008-10-15 | 湘潭电机股份有限公司 | Stator iron core laminated mold of direct driving magneto synchronous generator |
| CN202384942U (en) * | 2011-12-31 | 2012-08-15 | 南车株洲电机有限公司 | Stacking and pressing die for stator core |
| CN102882327A (en) * | 2012-09-20 | 2013-01-16 | 无锡法拉第电机有限公司 | Stator punching sheet overlying die and stator core prestressed overlying process |
| CN202889128U (en) * | 2012-11-07 | 2013-04-17 | 无锡法拉第电机有限公司 | Laminated die of high voltage generator stator core |
| CN203896135U (en) * | 2014-03-07 | 2014-10-22 | 江苏通达动力科技股份有限公司 | Stacking device used for making stator core of DC permanent-magnet generator |
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- 2014-03-07 CN CN201410082690.XA patent/CN103904836B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134731Y (en) * | 2007-12-24 | 2008-10-15 | 湘潭电机股份有限公司 | Stator iron core laminated mold of direct driving magneto synchronous generator |
| CN202384942U (en) * | 2011-12-31 | 2012-08-15 | 南车株洲电机有限公司 | Stacking and pressing die for stator core |
| CN102882327A (en) * | 2012-09-20 | 2013-01-16 | 无锡法拉第电机有限公司 | Stator punching sheet overlying die and stator core prestressed overlying process |
| CN202889128U (en) * | 2012-11-07 | 2013-04-17 | 无锡法拉第电机有限公司 | Laminated die of high voltage generator stator core |
| CN203896135U (en) * | 2014-03-07 | 2014-10-22 | 江苏通达动力科技股份有限公司 | Stacking device used for making stator core of DC permanent-magnet generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086810A1 (en) * | 2016-11-09 | 2018-05-17 | Siemens Aktiengesellschaft | Core for an electrical induction device |
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Effective date of registration: 20170621 Address after: Tongzhou District Xingren Zhen Kan Andong village two groups of 226352 Jiangsu city of Nantong Province Patentee after: Nantong Tongda silicon steel stamping technology Co. Ltd. Address before: 226352 Jiangsu city of Nantong province Tongzhou District four An Zhen Xing Shi Road No. 58 Patentee before: Jiangsu Tongda Power Technology Co., Ltd. |