CN102938302B - Lower yoke patch technique unshakable in one's determination - Google Patents
Lower yoke patch technique unshakable in one's determination Download PDFInfo
- Publication number
- CN102938302B CN102938302B CN201210475592.3A CN201210475592A CN102938302B CN 102938302 B CN102938302 B CN 102938302B CN 201210475592 A CN201210475592 A CN 201210475592A CN 102938302 B CN102938302 B CN 102938302B
- Authority
- CN
- China
- Prior art keywords
- short
- wide
- narrow
- type
- length
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The present invention relates to a kind of lower yoke patch technique unshakable in one's determination, belong to high-power transformer manufacturing technology field.Technical scheme is: by the lamination flap-type of lower yoke unshakable in one's determination, be divided into the isosceles trapezoid flap-type that wide length (1), wide short (2), long narrow (3), narrow short (4) four kinds of base angles are equal, after wide length and narrow short combination, form an isosceles trapezoid, this isosceles trapezoid is identical with core lamination profile; Long narrow top margin length is identical with wide short base length, and after long narrow and wide short combination, form an isosceles trapezoid, this isosceles trapezoid is also identical with core lamination profile; Under ensureing original six grades of stepping stacking modes, adopt the mode of wide length and narrow short combination and long narrow and wide short combination, complete lower yoke patch stack unshakable in one's determination.Good effect of the present invention: lower yoke wide sheet unshakable in one's determination is divided into narrower two parts and shears and stack, the fillet material that cannot use before utilization, materials saving, realizes yoke patch under large-scale power transformer iron core, improve silicon steel sheet raw material availability, effectively reduce manufacturing cost.
Description
Technical field
The present invention relates to a kind of lower yoke patch technique unshakable in one's determination, belong to high-power transformer manufacturing technology field.
Background technology
Large-scale power transformer iron core is formed by silicon steel sheet stack, and the stack mode of background technology generally adopts six grades of steppings, and accompanying drawing 1 is the layer Pareto diagram after a certain yoke stack.Large-scale power transformer core dimensions is comparatively large, and silicon steel sheet width needed for stack is comparatively large, and the silicon steel sheet raw material of buying, width, at about one meter, can produce a large amount of fillet material after slitting; And billot width is narrower, cannot directly utilizes in transformer fe in the heart, cause raw material availability low, cost increase.
Summary of the invention
The object of this invention is to provide a kind of lower yoke patch technique unshakable in one's determination, lower yoke wide sheet unshakable in one's determination is divided into narrower two parts to shear and stack, the fillet material that cannot use before utilization, materials saving, improve silicon steel sheet raw material availability, solve the problems referred to above that background technology exists.
Technical scheme of the present invention is: a kind of lower yoke patch technique unshakable in one's determination, comprises following processing step:
1. by the lamination flap-type of lower yoke unshakable in one's determination, be divided into the isosceles trapezoid flap-type that short, long narrow, the narrow short four kinds of base angles of wide length and width are equal, wide length is identical with wide short width (trapezoidal height), be B2, long narrow, narrow short width (trapezoidal height) is identical, and be B1, B2 is greater than B1; The top margin length of wide length is identical with narrow short base length, and after wide length and narrow short combination, form an isosceles trapezoid, this isosceles trapezoid is identical with core lamination profile; Long narrow top margin length is identical with wide short base length, and after long narrow and wide short combination, form an isosceles trapezoid, this isosceles trapezoid is also identical with core lamination profile; Select two kinds of compound modes, object is that when avoiding stack, piece is overlapping, ensures overall mechanical strength unshakable in one's determination;
2. under ensureing original six grades of stepping stacking modes, adopt the mode of wide length and narrow short combination and long narrow and wide short combination, complete lower yoke patch stack unshakable in one's determination.
Identical with the profile of the former flap-type of core lamination for ensureing, wide length and long narrow base angle place do and chamfer process, chamfer identical with the profile of the former flap-type of core lamination afterwards.
Under described iron core, yoke patch has two kinds of stack modes
The first: every three steps change a piece, and a circulation (six laminates) only changes a piece; Namely after stack three layers of wide length and narrow short combination, change three layers of long narrow and wide short combination; Or stack three layers is long narrow and after wide short combination, change three layers of wide length and narrow short combination.
The second: often walk and all change piece, five piece positions are changed in a circulation (six laminates); Namely after the wide length of stack one deck and narrow short combination, change the long narrow and wide short combination of one deck, then change the wide length of one deck and narrow short combination, by that analogy.
The difference of two kinds of stack modes is: when shearing lamination by first kind of way, only need a set of piercer, needs installation two to overlap piercer when shearing lamination by the second way.Second way stack difficulty is bigger compared with first kind of way, but the mechanical strength unshakable in one's determination after stack is higher.Wherein a kind of mode can be selected to carry out stack according to actual conditions.
Adopt the present invention, beat fabrication hole during patch on lamination, for stack location, fabrication hole hole knockout has two kinds: one only beats fabrication hole in wide short and narrow short two kinds of flap-type; Another kind of short, long narrow at wide length and width, narrow short four kinds of flap-type all beat fabrication hole.
The cut mode of lamination flap-type of the present invention: the same width lamination of lamination flap-type, divide long and short two kind flap-type, namely the short two kinds of flap-type width of wide length and width are consistent, long narrow, narrow short two kinds of flap-type width are consistent, for order after ensureing to shear is correct, need by long and short two kinds of flap-type cross-shears of same width, after first shearing the sheet type of this width, shear the short-movie type of this width again, shear successively; And then shear the flap-type of another kind of width, first shear the short-movie type of another width, then shear the sheet type of another width, shear successively; Also contrary order can be adopted.After shearing, a kind of flap-type originally, divide into width two kinds of flap-type, is distributed on two flitch.
Good effect of the present invention: lower yoke wide sheet unshakable in one's determination is divided into narrower two parts and shears and stack, the fillet material that cannot use before utilization, materials saving, realizes yoke patch under large-scale power transformer iron core, improve silicon steel sheet raw material availability, effectively reduce manufacturing cost.
Accompanying drawing explanation
Fig. 1 is background technology lower yoke six grades of stepping layer arrangement schematic diagrames;
Fig. 2 is the present invention's four kinds of sheet shape schematic diagrames;
Fig. 3 is the embodiment of the present invention one lamination sheet type stepping schematic diagram;
Fig. 4 is the embodiment of the present invention one lamination short-movie type stepping schematic diagram;
Fig. 5 is the embodiment of the present invention one lamination stack schematic diagram;
Fig. 6 is the embodiment of the present invention two lamination sheet type stepping schematic diagram;
Fig. 7 is the embodiment of the present invention two lamination short-movie type stepping schematic diagram;
Fig. 8 is the embodiment of the present invention two lamination stack schematic diagram;
In figure: wide length 1, wide short by 2, long narrow by 3, narrow short by 4, piece 5, fabrication hole 6, wide length and wide short width B 2, long narrow and narrow short width B 1.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the present invention will be further described.
A kind of lower yoke patch technique unshakable in one's determination, comprises following processing step:
1. by the lamination flap-type of lower yoke unshakable in one's determination, be divided into the isosceles trapezoid flap-type that wide length 1, wide short by 2, long narrow by 3, narrow short 4 four kinds of base angles are equal, wide length is identical with wide short width (trapezoidal height), be B2, long narrow, narrow short width (trapezoidal height) is identical, and be B1, B2 is greater than B1; The top margin length of wide length is identical with narrow short base length, and after wide length and narrow short combination, form an isosceles trapezoid, this isosceles trapezoid is identical with core lamination profile; Long narrow top margin length is identical with wide short base length, and after long narrow and wide short combination, form an isosceles trapezoid, this isosceles trapezoid is also identical with core lamination profile; Select two kinds of compound modes, object is that when avoiding stack, piece is overlapping, ensures overall mechanical strength unshakable in one's determination;
2. under ensureing original six grades of stepping stacking modes, adopt the mode of wide length and narrow short combination and long narrow and wide short combination, complete lower yoke patch stack unshakable in one's determination.
Identical with the profile of the former flap-type of core lamination for ensureing, wide length and long narrow base angle place do and chamfer process, chamfer identical with the profile of the former flap-type of core lamination afterwards.
Embodiment one: every three steps change a piece, a circulation (six laminates) only changes a piece 5; Namely after stack three layers of wide length and narrow short combination, change three layers of long narrow and wide short combination; Or stack three layers is long narrow and after wide short combination, change three layers of wide length and narrow short combination.
Embodiment two: often walk and all change piece, five piece 5 positions are changed in a circulation (six laminates); Namely after the wide length of stack one deck and narrow short combination, change the long narrow and wide short combination of one deck, then change the wide length of one deck and narrow short combination, by that analogy.
Adopt the present invention, beat fabrication hole 6 during patch on lamination, for stack location, fabrication hole hole knockout has two kinds: one only beats fabrication hole in wide short and narrow short two kinds of flap-type; Another kind of short, long narrow at wide length and width, narrow short four kinds of flap-type all beat fabrication hole.
The cut mode of lamination flap-type of the present invention: the same width lamination of lamination flap-type, divide long and short two kind flap-type, namely the short two kinds of flap-type width of wide length and width are consistent, long narrow, narrow short two kinds of flap-type width are consistent, for order after ensureing to shear is correct, need by long and short two kinds of flap-type cross-shears of same width, after first shearing the sheet type of this width, shear the short-movie type of this width again, shear successively; And then shear the flap-type of another kind of width, first shear the short-movie type of another width, then shear the sheet type of another width, shear successively; Also contrary order can be adopted.After shearing, a kind of flap-type originally, divide into width two kinds of flap-type, is distributed on two flitch.
Claims (3)
1. a yoke patch technique under iron core, is characterized in that comprising following processing step:
1. by the lamination flap-type of lower yoke unshakable in one's determination, be divided into the isosceles trapezoid flap-type that wide length (1), wide short (2), long narrow (3), narrow short (4) four kinds of base angles are equal, wide length is identical with wide short width, be B2, long narrow, narrow short width is identical, and be B1, B2 is greater than B1; The top margin length of wide length is identical with narrow short base length, and after wide length and narrow short combination, form an isosceles trapezoid, this isosceles trapezoid is identical with core lamination profile; Long narrow top margin length is identical with wide short base length, and after long narrow and wide short combination, form an isosceles trapezoid, this isosceles trapezoid is also identical with core lamination profile;
2. under ensureing original six grades of stepping stacking modes, adopt the mode of wide length and narrow short combination and long narrow and wide short combination, complete lower yoke patch stack unshakable in one's determination;
For ensureing that described isosceles trapezoid is identical with the profile of core lamination, wide length and long narrow base angle place do and chamfer process, identical with the profile of core lamination after chamfering;
On lamination, beat fabrication hole (6) during patch, for stack location, fabrication hole hole knockout has two kinds: one only beats fabrication hole in wide short and narrow short two kinds of flap-type; Another kind of short, long narrow at wide length and width, narrow short four kinds of flap-type all beat fabrication hole;
The cut mode of lamination flap-type: the same width lamination of lamination flap-type, divide long and short two kind flap-type, namely the short two kinds of flap-type width of wide length and width are consistent, long narrow, narrow short two kinds of flap-type width are consistent, for order after ensureing to shear is correct, need by long and short two kinds of flap-type cross-shears of same width, after first shearing the sheet type of this width, shear the short-movie type of this width again, shear successively; And then shear the flap-type of another kind of width, first shear the short-movie type of another width, then shear the sheet type of another width, shear successively.
2. yoke patch technique under iron core according to claim 1, is characterized in that: after stack three layers of wide length and narrow short combination, change three layers of long narrow and wide short combination; Or stack three layers is long narrow and after wide short combination, change three layers of wide length and narrow short combination.
3. yoke patch technique under iron core according to claim 1, is characterized in that: after the wide length of stack one deck and narrow short combination, changes the long narrow and wide short combination of one deck, then changes the wide length of one deck and narrow short combination, by that analogy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210475592.3A CN102938302B (en) | 2012-11-22 | 2012-11-22 | Lower yoke patch technique unshakable in one's determination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210475592.3A CN102938302B (en) | 2012-11-22 | 2012-11-22 | Lower yoke patch technique unshakable in one's determination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102938302A CN102938302A (en) | 2013-02-20 |
| CN102938302B true CN102938302B (en) | 2015-12-02 |
Family
ID=47697192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210475592.3A Expired - Fee Related CN102938302B (en) | 2012-11-22 | 2012-11-22 | Lower yoke patch technique unshakable in one's determination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102938302B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106599402B (en) * | 2016-11-29 | 2019-08-02 | 天威保变（秦皇岛）变压器有限公司 | Silicon steel sheet based on MATLAB cuts out a piece of cloth in a way with the minimum material to make two or more articles of clothing patch calculation method |
| CN107731504B (en) * | 2017-09-28 | 2023-11-07 | 深圳市长盈精密技术股份有限公司 | Preparation method of magnet armature belt and magnet armature belt |
| CN115547635A (en) * | 2022-04-22 | 2022-12-30 | 无锡普天铁心股份有限公司 | Central column splicing iron core structure of extra-high voltage transformer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233342A (en) * | 1996-10-15 | 1999-10-27 | Abb动力T&D股份有限公司 | Magnetic core structure |
| CN2347248Y (en) * | 1998-02-24 | 1999-11-03 | 广东省罗定市无线电厂 | Iron core |
| CN102184768A (en) * | 2011-02-24 | 2011-09-14 | 邓毅强 | Wide and narrow silicon steel sheet compound annular iron core and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5122754B2 (en) * | 2006-03-28 | 2013-01-16 | Ｊｆｅスチール株式会社 | Manufacturing method of iron core for closed magnetic circuit reactor excellent in lamination accuracy and iron core for closed magnetic circuit reactor |
-
2012
- 2012-11-22 CN CN201210475592.3A patent/CN102938302B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233342A (en) * | 1996-10-15 | 1999-10-27 | Abb动力T&D股份有限公司 | Magnetic core structure |
| CN2347248Y (en) * | 1998-02-24 | 1999-11-03 | 广东省罗定市无线电厂 | Iron core |
| CN102184768A (en) * | 2011-02-24 | 2011-09-14 | 邓毅强 | Wide and narrow silicon steel sheet compound annular iron core and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102938302A (en) | 2013-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201717097U (en) | Imporous oblique joint laminated iron core | |
| CN102938302B (en) | Lower yoke patch technique unshakable in one's determination | |
| CN202111540U (en) | Section-type stator core | |
| CN103051114B (en) | Method for processing chute of iron core of motor stator | |
| CN101901673B (en) | 5/7 sloping four-seam lamination mode of three-phase three-limb transformer core | |
| CN104201835A (en) | Forming method of Y series industrial motor stator punching sheet | |
| CN202268781U (en) | Winding and auto-buckling structure of stator/rotor core | |
| CN206323223U (en) | Permanent magnet with chamfering structure | |
| CN202826579U (en) | Peelable composite plate for manufacturing composite gasket | |
| CN204946659U (en) | The hybrid core construction of Transformer | |
| CN207224150U (en) | One kind cuts molding die cutting board structure | |
| CN204946666U (en) | A kind of low-loss core lamination stacked structure | |
| CN202565046U (en) | Abacus piece type motor rotor groove shape | |
| CN203002963U (en) | Angle steel operating angle switching die | |
| CN207357872U (en) | A kind of new titanium alloy fin forming machine | |
| CN203774892U (en) | High-efficiency motor stator manufactured with oriented silicon steel sheets | |
| CN208538647U (en) | A kind of electrical transformer cores lamination improving stock utilization | |
| CN203481939U (en) | Motor stator punching sheet | |
| CN202781229U (en) | Novel corrugated cardboard blade | |
| CN202359015U (en) | Multimode processed semi-finished product of panel glass | |
| CN203636135U (en) | Indexable threaded blade | |
| CN205882866U (en) | Motor armature iron core | |
| CN203686556U (en) | Sheet metal component | |
| CN201823852U (en) | Cutter for steel wires of steel wire rings | |
| CN204290515U (en) | Ventilated machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Boyi Inventor after: Zhang Bingxu Inventor after: Li Dan Inventor after: Wang Yang Inventor after: Lu Ning Inventor before: Jiang Boyi Inventor before: Zhang Bingxu Inventor before: Li Dan |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20171122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |