CN101683777A

CN101683777A - Insulating paper making machine

Info

Publication number: CN101683777A
Application number: CN200910164825A
Authority: CN
Inventors: 丸山英介; 绪形利夫; 片野耕一
Original assignee: Hitachi Industrial Equipment Systems Co Ltd
Current assignee: Hitachi Industrial Equipment Systems Co Ltd
Priority date: 2005-06-22
Filing date: 2006-06-19
Publication date: 2010-03-31
Anticipated expiration: 2026-06-19
Also published as: CN101683777B; CN1885449B; JP4397353B2; CN1885449A; JP2007005422A

Abstract

To provide an amorphous transformer in which a wrapping paper or the like and a securing tape can be supplied integrally, when the end of a wound core is wrapped after sintering, turn-up length is minimized by creasing the wound core in advance according to the thickness thereof (W1 in picture 15), and the management is simplified by standardizing the supply width, and to provide an insulating paper making machine. The amorphous transformer comprises a substantially rectangular wound core 3 constituted of a lamination of thin bands of amorphous magnetic alloy steel, having yoke portions and leg portions with a joint provided at the yoke portion, and a winding 5 fitted to at least one leg portion of the wound core 3. The wound core 3 consists of a laminate and has creases, formed at an interval substantially in matching the width of the side face of the laminate which is retained by a plurality of sheets of insulating paper 3 having a folding portion of predetermined length.

Description

Insulated paper manufacturing machine

The application is that application number is 200610093049.1, the applying date is on June 19th, 2006, denomination of invention is divided an application for the application for a patent for invention of " amorphous transformer and insulated paper manufacturing machine ".

Technical field

The present invention relates to amorphous transformer and insulated paper manufacturing machine, particularly the section of the wound core that constitutes by the strip laminated body of the amorphous magnet steel amorphous transformer handling and make by its.

Background technology

Amorphous magnet is owing to supply with the strip shape of (for example, nominal plate thickness 0.025mm) as thin as a wafer, when therefore using amorphous magnet to constitute unshakable in one's determination that transformer uses, generally adopts the form of wound core.

When making amorphous transformer, for example will be by cutting off the laminated body units of the set number of both measured lengths that the strip laminated body forms, with set offset dimensions in the longitudinal direction staggered positions the time with the laminated body behind a plurality of laminations as a laminated body piece, and level is piled up a plurality of laminated body pieces, be wound into the inboard arbor of frame that is, engage (abutting) or overlap joint engages (superimposed joint) by two ends butt joint, have the junction surface with the stepped rectangle wound core that is configured in a structure on the yoke with making with the laminated body units of each laminated body piece.

Fig. 1 represents an example of rectangle wound core.In the prior art, send in the annealing furnace in order to eliminate strain as the rectangle wound core of above-mentioned made and anneal.

But amorphous magnet becomes fragile because of annealing, and intensity is reduced, and as shown in Figure 5, when carrying out that iron core embedded the operation that installs on the coil, breach appears in iron core, produces big or small fragmentation from its stromatolith.If this fragmentation comes off and attached on the coil from iron core, perhaps sneak in the insulating oil in the transformer housing, then can reduce the insulating properties of transformer, the worst situation is the burnout failure that transformer might take place.Therefore, in such transformer,, and must take fragmentation is enclosed in the measure of the inside in advance for the fragmentation that prevents amorphous magnet comes off from iron core.

In existing mode, as shown in Figure 2, utilize adhesive tape 4 grades to fix in the mode that encases wound core with paper 3 grades the rectangle wound core by handwork.In addition as shown in Figure 3, the operation of implementing to utilize paper etc. to reel and be the bandage shape and prevent fragment emission with adhesive tape anchor portion etc. with handwork.In this operation,, therefore need a large amount of man-hours and paper, adhesive tape because various core dimensions is arranged.

As shown in Figure 4, the rectangle wound core of being made by above method is temporarily opened above-mentioned junction surface.Then, iron core 2 is inserted among coil 5A, the 5B, assembling once more on the direction of arrow 6 as shown in Figure 6, is finished as the device body of amorphous transformer.Then, in its case of packing into, add insulating oil, cover lid then becomes the finished product (not shown) of transformer.

As described in patent documentation 1-Japanese kokai publication hei 10-27716 communique, the measure that prevents fragmentation of existing amorphous state wound core is to coat binding in advance on the end of wound core, stick U word cover, in order to improve the situation that insulating oil is difficult to pass through and to prevent that fragmentation drift etc. from installing filter etc., lot of materials expense, man-hour have been expended.In addition, patent documentation 2-Japanese kokai publication hei 11-135349 communique also is to coat binding in the end of wound core in advance, and prevents fragmentation at wound core, paper side installation sponge etc. with realization.In addition,, utilize oily trafficability characteristic paper preferably, use and the corresponding to wrapping paper of each type, shown in Fig. 2,3, integral body is packed etc. and fix with adhesive tape with handwork as alternate manner.Thus, need a lot of man-hours, because that cover is made is whole, therefore need a lot of fee of materials (paper, adhesive tape etc.), in addition, the kind of cover is very many, searches time-consumingly, and management is also difficult.

Summary of the invention

The invention provides a kind of amorphous transformer and insulated paper manufacturing machine, during its wound core end after encasing annealing, can one supply with wrapping paper and the fixing adhesive tape of using with paper etc.; As one man make folding line in advance with wound core thickness (W1 of Figure 15) and make the length of folding line be minimum; And make and supply with width criteriaization and be easy to manage.

The present invention is a kind of amorphous transformer, has: constituted and had yoke and shank by the strip laminated body of amorphous magnet steel, be provided with the roughly rectangular wound core at junction surface at yoke; The coil chimeric with at least one shank of this wound core; It is characterized in that above-mentioned wound core is made of laminated body, the folding line at the interval that roughly matches with the lateral width that has with this laminated body, and return portion length is pushed down the side of above-mentioned laminated body for both many insulating papers of measured length.

In addition, in amorphous transformer of the present invention, above-mentioned insulating paper with two ends of doubling direction quadrature on have adhesive tape, and when pushing down the laminated body side of above-mentioned wound core, its part is overlapping with insulating paper of adjacency.

And the present invention is a kind of insulated paper manufacturing machine, it is characterized in that, possesses: on two ends that the carriage direction with the strip insulation paper that transports parallels, with the mechanism of the part of the state Continuous pressing device for stereo-pattern that exposes; On above-mentioned strip insulation paper, two mechanisms with the folding line at set interval are set on carriage direction; And in the mechanism that above-mentioned strip insulation paper is cut off on the position of set folding line both measured length on the carriage direction.

If adopt the present invention,, therefore can reduce the use amount of pasting man-hour, reducing paper owing to can press against the fragmentation that produces on the end face of amorphous state wound core with the width of wound core and the minimum dimension of コ word with the wrapping paper and the adhesive tape of end face.In addition, owing to use paper, thereby on end face, do not use adhesive or resin etc., can push with the minimum part of folding line part and end face, can be not in bond at end face, prevent fragmentation under the situation that characteristic does not also reduce.

Description of drawings

Fig. 1 is the key diagram of amorphous state wound core.

Fig. 2 is the key diagram with the amorphous state wound core of existing wrapper.

Fig. 3 is the key diagram with the existing amorphous state wound core of wrapper method.

Fig. 4 is with the key diagram before the assembling of the amorphous state wound core of existing wrapper.

Fig. 5 is the assembling instruction figure of existing amorphous state wound core and coil.

Fig. 6 is the key diagram after the assembling of existing amorphous state wound core and coil.

Fig. 7 is the key diagram of the insulated paper manufacturing machine of embodiment.

Fig. 8 is that the pith of the insulated paper manufacturing machine of embodiment amplifies key diagram.

Fig. 9 is the key diagram of manufacturing process 1 of the insulating paper of embodiment.

Figure 10 is the key diagram of manufacturing process 2 of the insulating paper of embodiment.

Figure 11 is the key diagram of manufacturing process 3 of the insulating paper of embodiment.

Figure 12 is the key diagram of manufacturing process 4 of the insulating paper of embodiment.

Figure 13 is the key diagram of the insulating paper of embodiment.

Figure 14 is the key diagram of the insulating paper folding line of embodiment.

Figure 15 is the key diagram of the amorphous state wound core of embodiment.

Figure 16 is the stereogram of the amorphous state wound core of embodiment.

The specific embodiment

Illustrate and be used to implement preferred forms of the present invention.

Embodiment with reference to description of drawings amorphous transformer of the present invention and insulated paper manufacturing machine.

Embodiment is described.Present embodiment is described with reference to the accompanying drawings.Figure 15 is to use the insulating paper of present embodiment, with the insulating paper 3 of wide W3, bending size H roughly the end face of rectangular wound core 1 paste and be the コ word, and fix example in the table of wound core end face of wide W1 with adhesive tape 4.In addition, Figure 16 opens the junction surface of wound core of Figure 15 and the stereogram when being U word shape.

The insulated paper manufacturing machine of embodiment at first, is described.Fig. 7 is its synoptic diagram, and Fig. 8 represents stereogram.Dispose the coiling body of strip insulation paper 3 and the coiling body of adhesive tape 4 respectively, with

feed rolls

8a, 8b clamping, while and make insulating paper 3 and adhesive tape 4 overlapping transporting by feeding motor 7.Label 10 is the cutting knifes that cut off insulating paper 3 and adhesive tape 4, makes its knee-action by cylinder 13.

Mould

11a, 11b be have position (at interval) L2 and by means of about the mechanism of revolving

screw rod

14a, 14b and making folding line by motor 9 operation cylinder 12a, 12b.The following action of explanation now.At first, as shown in Figure 9, the size L2 that the end surface thickness size W1 of adjustment preparation and wound core matches.In addition, also to adjust the bending size H of preparation apart from folding line.As shown in figure 10, as action, in the time of lapped insulation paper 3 and adhesive tape 4, deliver to by feeding motor 7 and to obtain both positions of sizing L2 and size H.

Secondly, as shown in figure 11, utilization should be processed

cylinder

12a, 12b close die 11a, the 11b of folding line, and simultaneously to insulating paper 3 and adhesive tape 4 processing folding lines, and then, utilize cylinder 13 to drive cutting knife 10 and cut off.And, as shown in figure 12, open each several part, take out the insulating paper 3 ' that has folding line.Resulting insulating paper 3 as Figure 13 (a) (b) shown in, bending shape as Figure 14 (a) (b) shown in.Secondly, as Figure 15 (a) (b) shown in, the end bending of wound core is the U font, paste the insulating paper 3 that has adhesive tape 4.At this moment, as long as the width W 3 of wrapping paper 3 is made necessarily in advance, the length according to the length direction of wound core by adjusting the stickup number, just can seamlessly cover wound core.Also have,,, just can reduce the stickup number of times by preparing the different insulating paper 3 of multiple width W 3 as other examples; In addition, if strengthen the width W 3 of insulating paper 3, also can once finish.Though Figure 16 is the amorphous state wound core that the expression use is made by the insulating paper of the insulated paper manufacturing machine manufacturing of present embodiment, also is not limited to transformer especially, also can achieve the goal for other goods.

More than, though be described with embodiment, but the present invention is in the wound core of amorphous transformer, suspension for the fragmentation that prevents to become fragile because of annealing, by cover the end face of wound core, the amorphous transformer that obtains having the function that prevents above-mentioned suspension at an easy rate thereby energy is easy with the wrapping paper that has folding line and adhesive tape.

Promptly, in the present invention, by preparing the insulating paper that encases wound core as shown in figure 13 of several width W 2, just can conveniently manage, when saving the time of searching, as shown in figure 13, by processing in advance and the end face width of wound core, be the folding line that (coiling thickness) size L2 of Fig. 1 matches, just can avoid size up one by one, carry out bending with handwork, thereby can paste easily; And, by adhesive tape 4 is made the end that makes adhesive tape 4 in advance from the width dimensions W3 of the insulating paper 3 of wound core expose only about half of more than, thereby can just can successfully finish all expose the paper of packing wound core automatically at every turn.With the wide W3 of paper and the adhesive tape 4 of

roller

8a, 8b niproll shape insulating paper 3 and to utilize feeding motor 7 to send to both quantitative,, just the packing time can be reduced significantly by side by side as long as can automatically expose insulating package paper.

In addition, the folding line and the bending that process as shown in figure 14 by the wrapping paper with above-mentioned making are the コ font, and reduce the H size as far as possible, just can reduce the consumption of paper, adhesive tape significantly.In addition, by making the consistent size of folding line and wound core, can also reduce operator's dimension measurement workload etc. significantly.

Claims

1. insulated paper manufacturing machine is characterized in that possessing: on two ends that the carriage direction with the strip insulation paper that transports parallels, with the mechanism of the part of the state Continuous pressing device for stereo-pattern that exposes; On above-mentioned strip insulation paper, two mechanisms with the folding line at set interval are set on carriage direction; And in the mechanism that above-mentioned strip insulation paper is cut off on the position of set folding line both measured length on the carriage direction.