CN202317990U

CN202317990U - Bottom grinding clamp of rectangular module (RM) type magnetic core

Info

Publication number: CN202317990U
Application number: CN2011204820707U
Authority: CN
Inventors: 刘洪建
Original assignee: Wuxi Spinel Magnetics Co Ltd
Current assignee: Wuxi Spinel Magnetics Co Ltd
Priority date: 2011-11-28
Filing date: 2011-11-28
Publication date: 2012-07-11
Anticipated expiration: 2021-11-28

Abstract

The utility model discloses a bottom grinding clamp of a RM type magnetic core. The bottom grinding clamp is composed by the arm connection of a plurality of structural units; the structural units are in tubular steel structures with parallel upper and lower sides and same specifications, and the middle portion is provided with cylindrical pores; the structural units correspond to the shape and specification of the RM type magnetic core. The bottom grinding clamp of the RM type magnetic core has the advantages that the generation of slant plane is avoided, and the efficiency is extremely high.

Description

Anchor clamps at the bottom of a kind of mill of RM type magnetic core

Technical field

The utility model relates to magnetic core and makes the field, particularly, relates to anchor clamps at the bottom of a kind of mill of RM type magnetic core.

Background technology

Manganese-zinc ferrite is a kind of hard and crisp material, is inappropriate for cut, adopts emery wheel to carry out attrition process usually, and this is for acquisition given size and tolerance grade, or the magnetic core of special shape is the most effective.RM type magnetic core product is common a kind of in the Mn-Zn soft magnetic ferrite product; Comprise the RM4 type, RM5 type and RM10 type etc., the RM type core shapes structure of different model is identical; But specification is different, and they are widely used in fields such as all kinds of power power-supply transformers, signal processing, backlight.In the RM type magnetic core manufacturing procedure, main difficulty is to grind manufacturing procedure, because the shape of product is special; Size tolerance requirements is tight by relatively; Product behind the sintering has problems such as distortion and distortion in addition, and the mill end, bottom thickness is not easy control; Can produce the error of base thickness size, cause problems such as final products mill processing inclined-plane.Simultaneously, RM type core production enterprise adopts three road grinders usually when grinding, promptly at first grind end face, the bottom surface of regrinding, and the end face of regrinding at last, operation is more loaded down with trivial details.

The utility model content

The technical problem that the utility model will solve is to overcome existing defective, and anchor clamps at the bottom of a kind of mill that can avoid the RM type magnetic core that the inclined-plane produces, efficient is high are provided.

In order to solve the problems of the technologies described above, the utility model provides following technical scheme:

Anchor clamps at the bottom of a kind of mill of RM type magnetic core, anchor clamps are connected and composed through arm by a plurality of construction units at the bottom of the said mill; Said construction unit is the tubular steel structure that top and bottom are parallel, specification is identical, and the middle part has columniform duct; Said construction unit is corresponding with the shape and the specification of RM type magnetic core.

Preferably, said construction unit is at least 2.

Preferably, said construction unit is 9.

Anchor clamps have following beneficial effect at the bottom of the mill of the RM type magnetic core that the utility model proposed:

1, anchor clamps can fully be avoided the generation on inclined-plane at the bottom of the mill of the RM type magnetic core that proposes of the utility model, guarantee that RM type magnetic core base thickness in grinding is consistent, and promptly end face is parallel with the bottom surface.Mill end anchor clamps are to measure and make through precision instrument, have guaranteed the parallel of its top and bottom, and the duct, center is just mutual chimeric corresponding with the RM type magnetic core that needs grind, and during grinding, the center pillar of RM type magnetic core can be closely clamped in the duct, on grinding machine, grinds.Therefore after the grinding, the bottom surface of RM type magnetic core i.e. following in same plane with mill end anchor clamps, and its end face is promptly parallel with the top and bottom of mill end anchor clamps, has fully avoided the inclined-plane generation, has guaranteed the uniformity of base thickness;

2, owing to have a plurality of construction units on the anchor clamps at the bottom of the mill of the RM type magnetic core that the utility model proposes, therefore, can satisfy simultaneously at the bottom of the mill of a plurality of RM type magnetic cores; Even, can satisfy the mill basic skill or training preface of a large amount of RM type magnetic cores through the quantity that increases construction unit according to the needs of producing; In addition, compare three traditional roads and grind basic skill or training's preface, the RM type mill end anchor clamps that the utility model proposed make the mill end only just guarantee the uniformity of base thickness through two procedures, promptly grind the bottom surface earlier, and the end face of regrinding has reduced one procedure, therefore, has high efficient.

Description of drawings

Accompanying drawing is used to provide the further understanding to the utility model, and constitutes the part of specification, is used to explain the utility model with the embodiment of the utility model, does not constitute the restriction to the utility model.In the accompanying drawings:

Fig. 1 is the structural front view of the utility model;

Fig. 2 is the structure left view of the utility model;

In conjunction with accompanying drawing, provide following Reference numeral:

The 1-construction unit; The 2-duct; The 3-arm.

The specific embodiment

Describe below in conjunction with the preferred implementation of accompanying drawing, should be appreciated that preferred implementation described herein only is used for explanation and explains the utility model, and be not used in qualification the utility model the utility model.

As shown in Figure 1; Anchor clamps comprise a plurality of construction units 1 at the bottom of the mill of RM type magnetic core; Construction unit 1 is that top and bottom are parallel, the identical tubular steel structure of specification, and the middle part has and the corresponding columniform duct 2 of RM type magnetic core tabling, interconnects through arm 3 between the construction unit 1.Particularly, construction unit 1 quantity is at least two.

Preferably, construction unit 1 is 9, and such design can increase the grinding quantity of RM type magnetic core, increases work efficiency.According to demand of practical production, even can the quantity of construction unit 1 be increased to more than ten with at the bottom of satisfying large batch of mill.

Particularly; In the actual production; According to the concrete specification of RM type magnetic core,, can the aperture of construction unit 1 on the mill end anchor clamps be set at 4.8mm, 6.0mm, 8.3mm, 12.0mm, 14.0mm like RM4, RM5, RM7, RM10, RM12 type magnetic core; The center pillar tabling of the construction unit 1 abundant and corresponding RM magnetic core of feasible mill end anchor clamps is firmly fixed RM type magnetic core so that grind in basic skill or training's preface.

As shown in Figure 2; Fig. 2 is a clamp structure left view at the bottom of the mill of RM type magnetic core; According to demand of practical production, to like RM4, RM5, RM7, RM10, RM12 type magnetic core, with the height of mill end anchor clamps; The height setting that is construction unit 1 is 18.0mm, 18.0mm, 19.0mm, 20.0mm, 22.0mm, and this highly is the center pillar height of corresponding RM type magnetic core.RM type magnetic core is placed on the mill end anchor clamps,, can guarantees that the bottom thickness of RM type magnetic core is consistent through grinding.

Anchor clamps have passed through precision instrument and have measured check and correction at the bottom of the mill of the RM type magnetic core that the utility model proposed, and have guaranteed the parallel of its top and bottom, and specifications such as the height of a plurality of construction units 1, aperture are identical; Simultaneously the duct 2 at construction unit 1 middle part is corresponding with the center pillar specification of corresponding RM type magnetic core, and promptly center pillar is lucky and duct 2 is chimeric; Construction unit 1 is as the tubular steel structure, and the thickness of its tube wall also is identical with the center pillar and the spacing between the two edges of corresponding RM type magnetic core.

To the RM type magnetic core of different model, anchor clamps at the bottom of the mill of selection correspondence, the concrete operation at the mill end is following:

The RM type magnetic core that at first will wait to grind the end is placed on the mill end anchor clamps, makes in the duct 2 of center pillar insert structure unit 1 of RM type magnetic core, and a plurality of RM type magnetic cores are neatly discharging on mill end anchor clamps.

Then, will grind end anchor clamps and RM type magnetic core is put into grinding machine, and open machine, constantly water filling (prior art repeats no more) is ground the bottom surface of RM type magnetic core simultaneously, makes the following in same plane of its bottom surface and mill end anchor clamps.After has ground the bottom surface, the end face of RM type magnetic core is ground, make its end face parallel with the top and bottom of mill end anchor clamps.

Grinding finishes, and takes off RM type magnetic core and gets final product.

Particularly; According to above operation, use the mill contain 9 construction units 1 at the bottom of anchor clamps 9 RM10 type magnetic cores are ground the end, after having ground; Through digital display calliper four angles of RM type magnetic core and the height of center pillar are measured; The measured results show, four angles of 9 RM type magnetic cores and the difference in height of center pillar meet industry requirement less than 0.02mm.

What should explain at last is: the above is merely the preferred implementation of the utility model; Be not limited to the utility model; Although the utility model has been carried out detailed explanation with reference to aforementioned embodiments; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims

1. anchor clamps at the bottom of the mill of a RM type magnetic core is characterized in that anchor clamps are connected and composed through arm by a plurality of construction units at the bottom of the said mill; Said construction unit is the tubular steel structure that top and bottom are parallel, specification is identical, and the middle part has columniform duct; Said construction unit is corresponding with the shape and the specification of RM type magnetic core.

2. anchor clamps at the bottom of the mill of RM type magnetic core according to claim 1 is characterized in that, said construction unit is at least 2.

3. anchor clamps at the bottom of the mill of RM type magnetic core according to claim 1 is characterized in that, said construction unit is 9.