CN101707136B - Method for manufacturing iron core cake of electric reactor - Google Patents
Method for manufacturing iron core cake of electric reactor Download PDFInfo
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- CN101707136B CN101707136B CN2009101541121A CN200910154112A CN101707136B CN 101707136 B CN101707136 B CN 101707136B CN 2009101541121 A CN2009101541121 A CN 2009101541121A CN 200910154112 A CN200910154112 A CN 200910154112A CN 101707136 B CN101707136 B CN 101707136B
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Abstract
The invention relates to a method for manufacturing an iron core cake of an electric reactor, which comprises the following steps: tidying and clamping a plurality of cut disperse silicon steel sheets by a moulding clamp to form a silicon steel sheet cake; then shifting the moulding clamp and the silicon steel sheet cake to the capacity space between two working face of an upper clamp and a lower clamp which can drive the silicon steel sheet cake to rotate, clamping the silicon steel sheet cake and disassembling the moulding clamp; driving the silicon steel sheet cake to rotate; meanwhile, drawing and bundling a weftless tape wound at the periphery of the silicon steel sheet cake by the silicon steel sheet cake under the action of tension; winding by set number of layers according to the requirement and then rapidly solidifying the tape tail of the weftless tape on a weftless tape ring at high temperature; rolling and manufacturing iron core cake initial blanks by a machine once; respectively carrying out vacuum resin soaking solidification on the iron core cake initial blanks in batch and then forming an iron core cake product. The iron core cake is directly bundled by a machine and soaked with resin and solidified once to form the product, has high automation level, low production cost and short production period and is particularly suitable for production at mass.
Description
[technical field]
The present invention relates to a kind of manufacture method of iron core cake of electric reactor.
[background technology]
Conventional method is made iron core cake of electric reactor, the general punching screw rod that adopts clamps, soaks the fat cure process: the middle part of the silicon steel sheet after every cutting dashes a through hole earlier, arrangement back with a screw rod that is surrounded by insulating barrier with all silicon steel sheet strings together, then, the screw rod two ends are fastened with nut clip, make iron core cake base just, the iron core cake just base soak fat solidify the back the iron core cake.The defective that this manufacture craft exists is: after the silicon steel sheet punching, hole area has taken effective magnetic conduction cross section of silicon steel sheet, not only reduced the iron core cake the magnetic conduction cross section, increased the machine work loss, but also have core insulation multipoint earthing hidden danger.Particularly, the screw rod that plays clamping action is positioned at iron core cake middle part, causes the both sides of silicon steel sheet to become the spread shape that looses on the contrary under the effect of middle part clamping force, cause gap increase between iron core cake perimeter strap, cause the magnetic vibration sound source to enlarge, increased the electromagnetic noise of product, manufacturability is poor, reliability is low.
For these reasons, there is part producer to adopt new manufacture method at present: earlier the silicon steel sheet after the cutting to be organized into the silicon steel sheet cake, to put into and soak fat and solidify the mould clamping and soak fat curing molding operation.Then, shed and soak fat curing mould, the peripheral colligation of the silicon steel sheet cake after soaking fat does not have the latitude band by hand, makes iron core cake base just, and iron core cake just base soaks fat curing once more, and the silicon steel sheet cake after making no latitude band and soaking fat for the first time strikes up partnership, and finishes the iron core cake and makes.The defective that this method exists is: the one, and need standby a large amount of fat that soaks to solidify mould, iron core cake is equipped with one and soaks fat and solidify mould and just can finish and soak fat curing molding operation, and production process is loaded down with trivial details, production cost is high; The 2nd, to soak fat earlier and solidify, the manual colligation in back does not have the latitude band, and the iron core cake relies on the moulding of resin viscous force fully, and the no latitude band of manual colligation in fact only plays the position-limiting action that prevents that the iron core cake is loose.Therefore, the reactor product of operation making is difficult to resist in use thus, because of the repulsive force that shoves and between the silicon steel sheet sheet, produced, thereby occur between the silicon steel sheet sheet loosening, send noise, also will directly influence the safe operation of product when serious, the operations staff will be brought personal injury, and serious environment pollution.
[summary of the invention]
For solving the problems referred to above that prior art exists, the present invention aims to provide a kind of method for manufacturing iron core cake of electric reactor, make the iron core cake with this method, do not need standby a large amount of fat that soaks to solidify mould, the simple cost of operation is low, as long as just can finish production through once soaking the fat operation, and, can make no latitude band really play fastening effect, product in use can be resisted shove, guarantee not occur between the silicon steel sheet sheet loosening phenomenon.
For achieving the above object, the present invention has adopted following technical scheme: silicon steel sheet arrangement, the clamping of the shape that looses after adopting shaping jig with numerous cuttings earlier form the silicon steel sheet cake, then, together with shaping jig the silicon steel sheet cake being moved to one can drive between the flat up and down mouthful chuck of silicon steel sheet cake rotation, clamp the silicon steel sheet cake, shed described shaping jig; Drive the rotation of silicon steel sheet cake, meanwhile, around the no latitude band of silicon steel sheet cake periphery under the effect of expanding force, by silicon steel sheet cake traction colligation, after twining the number of plies of setting as required, will not have latitude band magnetic tape trailer quick high-temp and be solidificated on the no latitude zone circle, disposable machine is rolled into iron core cake base just; By batch respectively with the iron core cake just the base vacuum soak fat solidify the back iron core cake product; Described upward anchor clamps and lower clamp are contractile flat-nose pliers structure, and structure is identical, comprise a cabinet shape frame, a clamping screw and two chucks respectively, the middle part of cabinet shape frame have one admit collet axis to sliding-rail groove, the clamping screw two ends are provided with binding nut, binding nut lays respectively at the outside of cabinet shape frame, and two chucks revolve in opposite directions to be put on the screw thread of clamping screw.
Make precision for improving, the silicon steel sheet cake does not have the rotation number of plies of latitude band to be measured by digital electronic unit, and the number of plies is presented on the digital display counter dial.
Beneficial effect: compared with prior art, this method adopts anchor clamps pretension silicon steel sheet cake, and under the effect of last lower chuck, swelling device, rely on rotation, the traction of silicon steel sheet cake self, the disposable iron core cake base just of making by the colligation of no latitude band, therefore, no latitude band really plays fastening effect.In addition, the silicon steel sheet cake directly carries out colligation without soaking the fat operation, not only can make no latitude band really play fastening effect, especially can save a large amount of fat that soaks and solidify mould, only just can be made into product through once soaking fat, thereby greatly reduce production cost, be fit to batch automatic production.Product detects through national transformer inspection center: resist the ability of shoving in the use and be better than prior art products greatly, non-loosening phenomenon between the silicon steel sheet sheet, and be not subjected to the influence of timeliness, eliminated noise source, thereby solved the iron core reactor big technical barrier of noise for a long time.
[description of drawings]
Fig. 1 is the structural representation of a kind of shaping jig used in the present invention.
Fig. 2 is a kind of machine bundling device structural representation used in the present invention.
Fig. 3 is the plan structure schematic diagram of Fig. 2.
Among the figure: frame 1, frame is found arm 11, frame transverse arm 12; Iron core cake 2, following holder 20, main shaft 21, from rotating shaft 22, buck locking oil cylinder 23, last anchor clamps 24, last binding nut 241, upper grip 242, lower clamp 25, following binding nut 251, lower chuck 252, plane bearing 26, cabinet shape frame 27; Motor 3, bandage dish 4, bandage groove 41; Swelling device 5, release handle 51, brake pad 52, tensioner lead 53, expansion tightening wheel 54; No latitude band 6, bearing 7, shaping jig 8, left clamping screw 81, right clamping screw 82, left chuck 83, right chuck 84.
[embodiment]
Method for manufacturing iron core cake of electric reactor of the present invention, mainly may further comprise the steps: silicon steel sheet arrangement, the clamping of the shape that looses after adopting shaping jig with numerous cuttings earlier form the silicon steel sheet cake, then, together with shaping jig the silicon steel sheet cake being moved to one can drive between the flat up and down mouthful chuck of silicon steel sheet cake rotation, clamp the silicon steel sheet cake, shed described shaping jig; Drive the rotation of silicon steel sheet cake, meanwhile, around the no latitude band of silicon steel sheet cake periphery under the effect of expanding force, by silicon steel sheet cake traction colligation, after twining the number of plies of setting as required, will not have latitude band magnetic tape trailer quick high-temp and be solidificated on the no latitude zone circle, disposable machine is rolled into iron core cake base just; By batch respectively with the iron core cake just the base vacuum soak fat solidify the back iron core cake product.
Following structure accompanying drawing is described in further detail realizing method of the present invention.
Referring to Fig. 1.The present invention with following shaping jig 8 loose after with numerous cuttings shape the silicon steel sheet arrangement, clamp and form the silicon steel sheet cake.Shaping jig 8 is by body, and left clamping screw 81, right clamping screw 82, and left chuck 83, right chuck 84 constitutes.During use, earlier the silicon steel sheet that is the shape that looses after numerous cuttings is organized into iron core cake 2 shapes, uses left chuck 83 then, right chuck 84 clamps and gets final product by turn left side clamping screw 81, right clamping screw 82, and is stand-by.
Referring to Fig. 2, and in conjunction with Fig. 3.The machine bundling device that the inventive method adopted by frame 1, be installed in swelling device 5, bandage dish 4 on the bearing 7, and be installed in formations such as last anchor clamps 24 on the frame 1, lower clamp 25.Described upward anchor clamps 24 and lower clamp 25 are contractile flat-nose pliers structure.The upright arm 11 of vertical frame is extended in frame 1 left side, and be oppositely arranged with frame 1 lower plane, parallel frame transverse arm 12.The motor shaft warp of motor 3 holder 20 down connects with main shaft 21, and motor 3 is fixed on the frame 1.Lower clamp 25 connects firmly the axle head at main shaft 21, and working face up.Connect with buck locking oil cylinder 23 from the installing hole of rotating shaft 22 on frame transverse arm 12, be fixed on the frame transverse arm 12, and with main shaft 21 concentric being oppositely arranged.Last anchor clamps 24 are fixed on from the axle head of rotating shaft 22, and buck locking oil cylinder 23 is located at from rotating shaft 22 upper ends.
Have the accommodation space of admitting the silicon steel sheet cake between 25 two working faces of last anchor clamps 24 and lower clamp,, the silicon steel sheet cake is pressed between the cabinet shape frame 27 of lower clamp by buck locking oil cylinder 23; Left and right sides clamping force is clamped by upper grip 242 and lower chuck 252 by binding nut in the turn 241, following binding nut 251.Because the screw thread on the clamping screw is the forward and reverse setting hand of spiral of two sections screw threads (about opposite), therefore, binding nut 241 or following binding nut 251 in the one-sided turn, corresponding upper grip 242 and lower chuck 252 will move and clamp the silicon steel sheet cake towards accommodation space.
Make precision and automaticity for improving, the silicon steel sheet cake does not have the rotation colligation number of plies of latitude band to be set by a digital electronic unit, and is presented on the digital display counter dial.This electronic digital display apparatus is combined by two electronic inductions of both positive and negative polarity probe and digital display control table dish and tie.During installation, the digital display control box is fixed on the visual angle and intuitively locates, and anodal electronics inductive probe is installed on the frame 1, and negative pole electronics inductive probe is installed in the corresponding section of anodal electronics inductive probe on anchor clamps 24 and the frame 1.During work, the every rotation of silicon steel sheet cake once, both positive and negative polarity produces induced signal once, by on line with signal conveys to the digital display dial plate, realize control revolution and tally function automatically.
Utilize the process of the first base of above-mentioned machine bundling device making iron core cake as follows:
1, the silicon steel sheet cake of stand-by shaping jig 8 together with moulding moved in the accommodation space of going up between anchor clamps 24 and 25 two working faces of lower clamp, by buck locking oil cylinder 23, the silicon steel sheet cake is compressed up and down, then, binding nut 241 and following binding nut 251 in the turn, clamp (at this moment about relying on upper grip 242 and lower chuck 252 with the silicon steel sheet cake, the whole extruding that radially all has been subjected to pretightning force of silicon steel sheet cake, resemble thereby can not occurring looses to represent), removal shaping jig 8 (reusable).
2, pull out no latitude band 6 in the bandage groove 41 of bandage dish 4 and take the lead, take the lead earlier by way of the tensioner post 53 on right side, walk around expansion tightening wheel 54, left side tensioner post 53 after, be pulled in the accommodation space, be looped around the periphery of silicon steel sheet cake.
3, starter motor 3, and main shaft 21 and drive the rotation of silicon steel sheet cakes from rotating shaft 22 is successively finished colligation around last no latitude band 6 as required.
4, the local quick high-temp of magnetic tape trailer that will not have a latitude band 6 is solidificated on the zone circle of no latitude band 6, and makes base at the beginning of the iron core cake.
By batch respectively with the iron core cake just the base vacuum soak fat solidify the back iron core cake product.
Claims (2)
1. method for manufacturing iron core cake of electric reactor, may further comprise the steps: silicon steel sheet arrangement, the clamping of the shape that looses after adopting shaping jig with numerous cuttings earlier form the silicon steel sheet cake, then, together with shaping jig the silicon steel sheet cake being moved to one can drive in the last anchor clamps and the accommodation space between two working faces of lower clamp of silicon steel sheet cake rotation, clamp the silicon steel sheet cake, shed described shaping jig; Drive the rotation of silicon steel sheet cake, meanwhile, around the no latitude band of silicon steel sheet cake periphery under the effect of expanding force, by silicon steel sheet cake traction colligation, after twining the number of plies of setting as required, will not have latitude band magnetic tape trailer quick high-temp and be solidificated on the no latitude zone circle, disposable machine is rolled into iron core cake base just; By batch respectively with the iron core cake just the base vacuum soak fat solidify the back iron core cake product; Described upward anchor clamps and lower clamp are contractile flat-nose pliers structure, and structure is identical, comprise a cabinet shape frame, a clamping screw and two chucks respectively, the middle part of cabinet shape frame have one admit collet axis to sliding-rail groove, the clamping screw two ends are provided with binding nut, binding nut lays respectively at the outside of cabinet shape frame, and two chucks revolve in opposite directions to be put on the screw thread of clamping screw.
2. method for manufacturing iron core cake of electric reactor as claimed in claim 1 is characterized in that: the silicon steel sheet cake does not have the rotation colligation number of plies of latitude band to be measured by digital electronic unit, and the number of plies is presented on the digital display counter dial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101541121A CN101707136B (en) | 2009-11-09 | 2009-11-09 | Method for manufacturing iron core cake of electric reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101541121A CN101707136B (en) | 2009-11-09 | 2009-11-09 | Method for manufacturing iron core cake of electric reactor |
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| Publication Number | Publication Date |
|---|---|
| CN101707136A CN101707136A (en) | 2010-05-12 |
| CN101707136B true CN101707136B (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101541121A Active CN101707136B (en) | 2009-11-09 | 2009-11-09 | Method for manufacturing iron core cake of electric reactor |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124048B (en) * | 2013-04-26 | 2016-04-13 | 浙江科升电力设备有限公司 | A kind of manufacture method of radial iron core cake |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2549628B2 (en) * | 1986-07-04 | 1996-10-30 | 株式会社東芝 | Iron core type reactor with gear gap |
| JP2680529B2 (en) * | 1993-08-26 | 1997-11-19 | 新日本製鐵株式会社 | Annealing Separator for Unidirectional Silicon Steel Sheet |
| US6588093B1 (en) * | 1997-09-19 | 2003-07-08 | Vacuumschmelze Gmbh | Method and device for producing bundles of sheet metal laminates for magnetic cores |
| CN1933064A (en) * | 2006-08-29 | 2007-03-21 | 山东达驰电气股份有限公司 | Binding method for transformer iron core |
-
2009
- 2009-11-09 CN CN2009101541121A patent/CN101707136B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2549628B2 (en) * | 1986-07-04 | 1996-10-30 | 株式会社東芝 | Iron core type reactor with gear gap |
| JP2680529B2 (en) * | 1993-08-26 | 1997-11-19 | 新日本製鐵株式会社 | Annealing Separator for Unidirectional Silicon Steel Sheet |
| US6588093B1 (en) * | 1997-09-19 | 2003-07-08 | Vacuumschmelze Gmbh | Method and device for producing bundles of sheet metal laminates for magnetic cores |
| CN1933064A (en) * | 2006-08-29 | 2007-03-21 | 山东达驰电气股份有限公司 | Binding method for transformer iron core |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2001-167962A 2001.06.22 |
| JP第2549628号B2 1996.10.30 |
| JP第2680529号B2 1997.11.19 |
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| CN101707136A (en) | 2010-05-12 |
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Owner name: ZHEJIANG KESHENG ELECTRIC POWER EQUIPMENT CO., LTD Free format text: FORMER NAME: CHANGSHAN KESHENG ELECTRIC EQUIPMENT CO., LTD. |
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Address after: 324203, Zhejiang County, Changshan Province town of Wang Zhen (Zhao town industrial function zone) Patentee after: Zhejiang Kesheng Electric Power Equipment Co., Ltd. Address before: White Rock white stone glitter road 324200 Zhejiang County of Changshan province No. 41 Patentee before: Changshan Kesheng Electric Equipment Co., Ltd. |