CN103170680A - Cutting method of rolling iron core and cutting tool of rolling iron core - Google Patents
Cutting method of rolling iron core and cutting tool of rolling iron core Download PDFInfo
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- CN103170680A CN103170680A CN2011104412100A CN201110441210A CN103170680A CN 103170680 A CN103170680 A CN 103170680A CN 2011104412100 A CN2011104412100 A CN 2011104412100A CN 201110441210 A CN201110441210 A CN 201110441210A CN 103170680 A CN103170680 A CN 103170680A
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Abstract
The invention discloses a cutting method of a rolling iron core and a cutting tool of the rolling iron core. The method comprises the steps of at least arranging a hanging hook on each frame of a single iron core frame of the rolling iron core, fixing the hanging hooks and the frames in a binding mode through binding straps, horizontally placing the iron core frame of the rolling iron core on a working table of a sawing machine through lifting of the hanging hooks, adopting two supporting tools to carry out support between the cut frames on two opposite sides, enabling the supporting tools to be located on two sides of a cutting plane, tightly clamping the positions of the cut frames through a fixture on the sawing machine, and adopting a denticle band saw blade to cut. The cutting method of the rolling iron core and the cutting tool of the rolling iron core solve the problems that an existing line adopting cutting way is low in efficiency and production requirements cannot be satisfied, overcome the problems that the iron core frame is low in strength, cannot be tightly clamped and is prone to deformation in a cutting process, and have the advantages of being high in efficiency and good in product quality.
Description
Technical field
The present invention relates to a kind of cutting method of volume iron core, belong to transformer, iron core of electric reactor manufacturing technology field.
Background technology
The iron core of existing transformer and reactor is generally the plane laminated structure, causes because there is seam in it that loss is high, the large noise of exciting current is large more, therefore, more and more is not subjected to people's concern.And the volume iron core is a kind of novel transformer iron core product, is improved to the coiling loop configuration by original laminated core.Due to silicon steel sheet thinner thickness 0.35-0.5mm, the cold working cut-out crimping can occur, beat the problems such as tooth.Prior art is rolled up the line cutting that cutting-off method unshakable in one's determination is generally electric-melting, and the processing method of line cutting has the advantages such as precision is high, section is smooth, but working (machining) efficiency is extremely low, and cost is high, is that Φ 150mm iron core needs 7 hours used times as cutting off section.The same specification transformer core need be cut this specification 3 posts unshakable in one's determination, approximately 21 hours used time, obviously can not satisfy need of production.
Therefore, a kind of cutting method of efficient volume iron core becomes the target that those skilled in the art pursue.
Summary of the invention
For the processing method efficient that solves existing volume iron core is low, can not satisfy the problem of Production requirement.The inventor cuts off with horizontal band sawing machine through repetition test, when handling and cutting are subject to External Force Acting, between the silicon steel sheet of coiling volume iron core, dislocation and distortion easily occur, thereby can not guarantee the shape of the original semi-circular section of iron core frame, simultaneously because iron core is the thin slice winding structure, intensity is low, and when being installed, distortion can't tighten.In when cutting, because silicon steel sheet is thin, under the cutting force effect of sawtooth, edge-curl phenomenon easily occurs in the silicon steel sheet limit.
Therefore, when the object of the invention is to solve to adopt horizontal band sawing machine to cut off, the dislocation distortion occurs easily between each synusia material of iron core frame, and the iron core frame bulk strength is low, yielding, the problem that can't tighten.
Another object of the present invention is to solve and adopt horizontal band sawing machine to cut off, the problem of crimping easily occurs in silicon steel sheet unshakable in one's determination.
Another purpose of the present invention is to solve and adopts horizontal band sawing machine to cut off, the problem that tooth is beaten in the easy generation of saw blade.
For solving the problems of the technologies described above, the invention provides a kind of volume core cutting method, it is characterized in that: each frame at four frames rolling up single iron core frame unshakable in one's determination is established a suspension hook at least, and by binding strap, suspension hook and this frame colligation is fixed; To roll up iron core frame unshakable in one's determination by suspension hook lies in a horizontal plane on saw bench; Adopt two support tools to support between the frame of cut relative both sides, make two support tools be positioned at the both sides of cutting planes, then clamp in the position that is cut frame with the fixture on sawing machine; Adopt little cingulum saw blade to cut.
In when cutting, for fear of the silicon steel sheet generation crimping that goes out to saw side, as preferably, before the support tool supports two cut frames and before clamping, go out saw one side at two cut frames respectively and establish a backing plate that supports this frame.
For the indeformable dislocation of the every one deck silicon steel sheet of iron core frame that makes volume iron core frame unshakable in one's determination fixedly keep coiling before suspension hook in colligation, the iron core frame of described volume iron core is whole dipping lacquer before cutting.
Two parts of iron core frame after cutting are hung workbench by described suspension hook level.
Volume core cutting method of the present invention, wherein, the cutting speed of described little cingulum saw is 0.5-3m/s, the amount of feeding is 0.1-1mm/s.Cutting speed is preferably 1-2m/s, and the amount of feeding is preferably 0.3-0.5mm/s.
Volume core cutting method of the present invention, during for fear of cutting, saw blade is beaten tooth, and the number of teeth of described little cingulum saw blade is per inch 6-12 tooth.Be preferably per inch 8-10 tooth.
As preferably, described suspension hook comprises a vertically disposed boatswain chair and is connected as a single entity with the boatswain chair bottom and is the supporting plate of 60 ° of angles with described boatswain chair, the both sides of the bottom of described supporting plate and boatswain chair have relative two elongated ends that are wider than described boatswain chair top, and described binding strap at this elongated end place with the frame of described iron core frame and described suspension hook colligation together.
As preferably, described support tool for two cut frames of supporting iron core frame is the support tool of shaft-like length adjustable.
As preferably, described support tool comprises the support member that a threaded strut of two ends tool and two and described strut two ends are spirally connected.
The invention provides a kind of cutting tool of volume iron core, it is characterized in that: it comprises the suspension hook that is used for the lifting iron core frame on the iron core frame that is fixed on described volume iron core, be used for the iron core frame of the described volume iron core of tighten and be fixed together binding strap and be located at being used between described two cut frames and support two of described cut frame and support tools of described iron core frame and suspension hook; At least be provided with a suspension hook on each frame of described iron core frame.
When unshakable in one's determination for fear of cutting, at the silicon steel sheet generation crimping that is going out saw one side, described cutting tool also comprises for two backing plates that support cut two frames, and what described backing plate was located at described cut frame goes out saw one side.
As preferably, described suspension hook comprises a vertically disposed boatswain chair and is connected as a single entity with the boatswain chair bottom and is the supporting plate of 60 ° of angles with described boatswain chair, the relative elongated end that is wider than described boatswain chair top in the bottom of described supporting plate and boatswain chair, described binding strap are located at this elongated end place and are used for the frame of described iron core frame and described suspension hook colligation together.
As preferably, the support tool that described support tool is shaft-like length adjustable, this support tool comprise that two ends have the support member that the strut of reverse thread and two and described strut two ends are spirally connected.
The present invention is owing to adopting technique scheme, when iron core frame cuts, first iron core frame is carried out colligation with binding strap, by binding strap, suspension hook is fixed on iron core frame simultaneously, suspension hook can play the lifting translocation on the one hand, the location of suspension hook and binding strap and fixing synergy, can not deform and misplace between the sheet material that after having guaranteed to reel, the iron core frame of semicircular in shape is reeled in carrying, cutting process on the other hand.Support with two support tools between two frames that are cut simultaneously, indeformable when being subject to the clamping force of jig to prevent two frames that are cut, solved because of the low problem that can't tighten of iron core frame intensity, and then selected little rack saw bar to cut, realized the cutting of volume iron core frame.
The present invention is further, is provided with a backing plate that supports described frame in saw one side that goes out of the frame of iron core frame.Thereby make silicon steel sheet thin under the cutting force effect of sawtooth, effectively prevented silicon steel sheet limit generation edge-curl phenomenon.
The present invention is in cutting during iron core frame, further Optimizing Cutting Conditions, and the selection amount of feeding is 0.1-1mm/s, the best is 0.3-0.5mm/s; Cutting speed 0.5-5m/s, the best is 1-2m/s, is beneficial to the cutting of iron core frame.Particularly the present invention selects little cingulum saw blade to process, and particularly selects a per inch 6-12 tooth, preferred 8-10 tooth, thus prevent that effectively saw blade from beating the problem of tooth.
The present invention is further, be designed to dexterously suspension hook hook-shaped, by the supporting plate and vertical boatswain chair that is 60 ° of angles, the iron core frame that volume is unshakable in one's determination is positioned on four suspension hooks fully at least, pass through again the fixing of binding strap, both facilitated lifting, particularly before processing and each silicon steel lamella that all can guarantee iron core frame after processing dislocation and distortion do not occur.
Description of drawings
Fig. 1 adopts volume core cutting frock of the present invention to cut the schematic diagram of iron core frame.
Fig. 2 adopts volume core cutting frock of the present invention iron core frame to be cut the schematic diagram of rear section iron core frame.
Fig. 3 is the structural representation of suspension hook in volume core cutting frock of the present invention.
Fig. 4 is the side view of suspension hook in volume core cutting frock of the present invention.
Fig. 5 is the schematic diagram of the support tool of volume core cutting frock of the present invention.
The specific embodiment
Describe volume core cutting method of the present invention and cutting tool in detail in conjunction with cutting schematic diagram (Fig. 1,2) and specific embodiment, referring to Fig. 1, Fig. 1 is for adopting the schematic diagram of the method for the invention cutting iron core frame, need to it be cut open at the correct position of the frame of iron core frame in transformer manufacturing process, be convenient to suit coil, L is cutting planes as shown in Fig. 1,2.Cut part---iron core frame 100 is the rectangle frame structure, and its both sides have four frames 101,102,103,104.
Show as Fig. 1, the frock for the cutting three dimensional wound core of the present invention comprises 1,12 binding strap 2 of six suspension hooks; Suspension hook 1 is fixed on by binding strap 2 on each frame of iron core frame 100 of described volume iron core, be used for lifting iron core frame 100, at two two the support tools 3 that are provided with that are cut between frames 101,103, two support tools 3 lay respectively at the both sides of cutting planes L, support tool 3 is used for supporting two cut frames 101,103, frame distortion when preventing from clamping.At least be provided with a suspension hook 1 on each frame of general iron core frame, can increase to a plurality ofly according to the length of frame unshakable in one's determination, the present embodiment is: establish respectively 2 suspension hooks 1 on frame 101,103, establish respectively a suspension hook 1 on frame 102,104.Referring to Fig. 3,4, suspension hook 1 comprises a vertically disposed boatswain chair 11 and the supporting plate 12 that is connected as a single entity with boatswain chair 11 bottoms, and supporting plate 12 is 60 ° of angles with boatswain chair 11; The bottom surface of the iron core frame 100 that volume is unshakable in one's determination and the angle of horizontal plane are 30 degree, therefore, the supporting plate 12 of suspension hook 1 is from the inboard protruding picking-up iron core frame 100 of iron core frame 100, and boatswain chair 11 is close to the iron core frame inside edge, supporting plate 12 is just identical with the bottom surface of iron core frame 100, plays the effect of location; Supporting plate 12 elongated end 13 that be wider than boatswain chair 11 tops relative to the bottom of boatswain chair 11, binding strap 2 are located at this elongated end 13 places, thereby with the frame of iron core frame 100 and suspension hook 1 colligation together.After fixing by binding strap 2, each layer silicon steel sheet of iron core frame 100 fixedly positioning, and can not produce any dislocation and distortion because of external force such as handling, cuttings.
During the cutting iron core frame, for fear of going out to saw the silicon steel sheet generation crimping of a side, described cutting tool also comprises for supporting cut two frames 101, two backing plates 4 of 103, referring to Fig. 1, in figure, the inboard of the outside of frame 101 and frame 103 for going out saw one side, therefore, is provided with a backing plate 4 between frame 103 and support tool 3, be provided with a backing plate 4 in the outside of frame 101, the backing plate 4 in the outside of frame 101 is fixed by the fixture on sawing machine.
Referring to Fig. 5, support tool 3 in described frock is the support tool of shaft-like length adjustable, this support tool 3 comprises a strut 31 and is positioned at the support member 32 at strut 31 two ends, and the two ends of strut 31 have reverse thread, and support member 32 centers have screwed hole and described strut 31 two ends to be spirally connected.The one spanner section 33 for spanner is preferably arranged in the middle of strut 31, after rotation strut 31, the support member 32 at its two ends moves to two rightabouts according to the reverse screw thread in strut 31 two ends, thereby support member 32 is contacted with frame 101,103, rises to support to prevent metamorphosis.Certainly, and can select a support member of the unadjustable length of fixing, it can play the effect of support equally, has just omitted regulatory function.
The method that adopts frock of the present invention to roll up core cutting is: first the iron core frame 100 with described volume iron core carries out whole dipping lacquer before cutting; The iron core frame that volume is unshakable in one's determination is fixed on 6 suspension hooks 1 by binding strap, make suspension hook 1 hold up iron core frames 100 from the inboard protruding and supporting plate 12 by suspension hook of iron core frame 100, each frame is established a suspension hook 1 at least, two shorter frames 102,104 are all established 1, two long frame 101,103 of a suspension hook and are established respectively 2 suspension hooks 1; To roll up iron core frame 100 unshakable in one's determination by suspension hook 1 lies in a horizontal plane on saw bench; In frame 103 inboards---the Working position that goes out to saw side arranges a backing plate 4, then between cut relative two frames 103,101, be two support tools 3 to be set between backing plate 4 and frame 101 support, and make two support tools 3 be positioned at the both sides of cutting planes L, support tool 3 is fixing with backing plate 4, support tool 3 is the support forces in order to increase iron core frame and to clamp, and when avoiding clamping iron core frame, the iron core frame distortion, can't process; Then go out to saw at frame 101 that side---a backing plate 4 is established in the outside, with the fixture on sawing machine, iron core frame 100 is clamped in cut position, and make backing plate 4 be fixed on the outside of frame 101, under the effect of backing plate 4, edge-curl phenomenon occurs in the time of effectively preventing from cutting; Adopt the little cingulum saw blade of per inch 8 teeth to cut, select the amount of feeding of 0.5mm/s, the cutting speed of 1m/s; To be cut completing unclamped fixture, and two parts level of the iron core frame after cutting with suspension hook 1 hangs workbench.
Dislocation between sheet material when frock of the present invention and cutting method have solved the volume core cutting, go out to saw the side crimping, can't tighten and beat the problem such as tooth.Cut off the 5-10 minute 150mm iron core frame used time of Φ, the smooth smooth specification requirement that reaches of cutting section.Efficient has improved (7 * 60)/10=42 doubly than original wire cutting method.It is high that it has efficient, guarantee the advantage of product quality, and reduced the generation that saw blade is beaten the tooth phenomenon.
Above embodiment carries out exemplary illustration to the present invention, but not the summary of being restricted property, the present invention aims to provide a kind of volume core cutting method, those of ordinary skills are under the guidance of the present invention's design, can also make modification and replacement on a lot of conventional structures, for example: increase or reduce suspension hook quantity, increasing binding strap quantity without the suspension hook place, change cutting parameter, select the band saw of the different numbers of teeth.These are revised with replacement and also should be considered to belong among protection scope of the present invention.
Claims (15)
1. roll up the core cutting method for one kind, it is characterized in that: each frame at four frames rolling up single iron core frame unshakable in one's determination is established a suspension hook at least, and by binding strap, suspension hook and this frame colligation is fixed; To roll up iron core frame unshakable in one's determination by the suspension hook handling lies in a horizontal plane on saw bench; Adopt two support tools to support between the frame of cut relative both sides, make two support tools be positioned at the both sides of cutting planes; Then clamp in the position that is cut frame with the fixture on sawing machine; Adopt little cingulum saw blade to cut.
2. volume core cutting method according to claim 1 is characterized in that: before the support tool supports two cut frames and before clamping, go out saw one side at two cut frames respectively and establish a backing plate that supports this frame.
3. volume core cutting method according to claim 2, it is characterized in that: the iron core frame of described volume iron core is whole dipping lacquer before cutting.
4. volume core cutting method according to claim 3, it is characterized in that: two parts of the iron core frame after cutting hang workbench by described suspension hook level.
5. according to claim 1-4 described volume core cutting of any one methods wherein, it is characterized in that: the cutting speed of described little cingulum saw is 0.5-3m/s, and the amount of feeding is 0.1-1mm/s.(please determine the whether suitable of this expanded range)
6. volume core cutting method according to claim 5 is characterized in that: the cutting speed of described little cingulum saw is 1-2m/s, and the amount of feeding is 0.3-0.5mm/s.
7. according to claim 1-4 described volume core cutting of any one methods wherein, it is characterized in that: the number of teeth of described little cingulum saw blade is per inch 6-12 tooth.
8. volume core cutting method according to claim 7, it is characterized in that: the number of teeth of described little cingulum saw blade is per inch 8-10 tooth.
9. according to claim 1-4 described volume core cutting of any one methods wherein, it is characterized in that: described suspension hook comprises a vertically disposed boatswain chair and is connected as a single entity with the boatswain chair bottom and is the supporting plate of 60 ° of angles with described boatswain chair, the both sides of the bottom of described supporting plate and boatswain chair have relative two elongated ends that are wider than described boatswain chair top, and described binding strap at this elongated end place with the frame of described iron core frame and described suspension hook colligation together.
10. according to claim 1-4 described volume core cutting of any one methods wherein, it is characterized in that: described support tool for two cut frames of supporting iron core frame is the support tool of shaft-like length adjustable.
11. volume core cutting method according to claim 10 is characterized in that: described support tool comprises the support member that a threaded strut of two ends tool and two and described strut two ends are spirally connected.
12. roll up cutting tool unshakable in one's determination, it is characterized in that for one kind: it comprises the suspension hook that is used for the lifting iron core frame on the iron core frame that is fixed on described volume iron core, be used for the iron core frame of the described volume iron core of tighten and the binding strap that described iron core frame and suspension hook are fixed together and be located at being used between described two cut frames supports two of described cut frame and supports tools; At least be provided with a suspension hook on each frame of described iron core frame.
13. the cutting tool of volume iron core according to claim 12 is characterized in that: described cutting tool also comprises for two backing plates that support cut two frames, and what described backing plate was located at described cut frame goes out saw one side.
14. the cutting tool of according to claim 12 or 13 described volume iron cores, it is characterized in that: described suspension hook comprises a vertically disposed boatswain chair and is connected as a single entity with the boatswain chair bottom and is the supporting plate of 60 ° of angles with described boatswain chair, the relative elongated end that is wider than described boatswain chair top in the bottom of described supporting plate and boatswain chair, described binding strap are located at this elongated end place and are used for the frame of described iron core frame and described suspension hook colligation together.
15. according to claim 12 or 13 described volume core cutting frocks is characterized in that: the support tool that described support tool is shaft-like length adjustable, this support tool comprise that two ends have the support member that the strut of reverse thread and two and described strut two ends are spirally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110441210.0A CN103170680B (en) | 2011-12-26 | 2011-12-26 | The cutting method of rewinding material and cutting tool thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110441210.0A CN103170680B (en) | 2011-12-26 | 2011-12-26 | The cutting method of rewinding material and cutting tool thereof |
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| CN103170680A true CN103170680A (en) | 2013-06-26 |
| CN103170680B CN103170680B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110441210.0A Active CN103170680B (en) | 2011-12-26 | 2011-12-26 | The cutting method of rewinding material and cutting tool thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115132480A (en) * | 2022-05-27 | 2022-09-30 | 新华都特种电气股份有限公司 | Receive material pile machine and iron core piece and pile equipment system |
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| JPS5735309A (en) * | 1980-08-11 | 1982-02-25 | Matsushita Electric Ind Co Ltd | Manufacture of winding steel core |
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| CN201859745U (en) * | 2010-10-29 | 2011-06-08 | 中国西电电气股份有限公司 | Binding band structure for transformer iron core |
| CN202377612U (en) * | 2011-12-26 | 2012-08-15 | 新华都特种电气股份有限公司 | Wound iron core cutting tool |
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Patent Citations (8)
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| JPS5735309A (en) * | 1980-08-11 | 1982-02-25 | Matsushita Electric Ind Co Ltd | Manufacture of winding steel core |
| CN1051636A (en) * | 1990-07-07 | 1991-05-22 | 福州变压器厂 | Manufacturing method of removable non-adhesive coiled core |
| JP2003217956A (en) * | 2002-01-25 | 2003-07-31 | Toyo Eng Corp | Dismantling method for transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115132480A (en) * | 2022-05-27 | 2022-09-30 | 新华都特种电气股份有限公司 | Receive material pile machine and iron core piece and pile equipment system |
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