CN204381175U - A kind of discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel - Google Patents
A kind of discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel Download PDFInfo
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- CN204381175U CN204381175U CN201420748101.2U CN201420748101U CN204381175U CN 204381175 U CN204381175 U CN 204381175U CN 201420748101 U CN201420748101 U CN 201420748101U CN 204381175 U CN204381175 U CN 204381175U
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Abstract
The utility model provides a kind of discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel, comprise axle, axle sleeve, roller shell, the outer surface connecting bushing of axle, the outer surface of axle sleeve connects roller shell, roller shell outer surface arranges the tooth trace carving tooth, and the helical angle of tooth trace is 10 °-25 °, and tooth pitch is 3-6mm, carving tooth, can to carve width be 50-120 μm, and the degree of depth is the equidistant groove of 10-25 μm.The top of the profile of tooth of roller shell normal plane can be plane, and plane is wide is 0.5-1mm, and the top angle of profile of tooth is 25-35 °.The top of the profile of tooth of roller shell normal plane can also be sharp-tooth shaped, and sharp-tooth shaped arranges the rounding that radius is below 1.5mm, and the profile of tooth top angle of roller shell normal plane is 85-135 °.Profile of tooth top of the present utility model is sharp-tooth shaped or the plane of rounding, makes crown be not easy wearing and tearing by the tooth at quarter on roller shell, forming equidistant groove, making the magnetic domain refinement on steel band, thus reducing eddy-current loss by carving tooth on processing steel band.
Description
Technical field
The utility model relates to magnetic domain refinement field, especially a kind of discaling roll and servo valve group being applicable to heat-resisting magnetic domain device for thinning.
Background technology
Heat-resisting magnetic domain refinement is a spotlight of current silicon steel production technology, and the free magnetic charge utilizing groove place to generate, by magnetic domain refinement, can reduce iron loss, improves silicon steel product quality.Current magnetic domain refinement technology has mechanics indentation, chemical attack, plasma irradiation etc.
The maximum refinement magnetic domain technology of current use is laser scored, but is only suitable for the laminated core manufacturing transformer, such as, for large-scale 500KV extra-high voltage transformer through the silicon steel sheet of laser scored refinement magnetic domain.This is because the effect of laser scored reduction iron loss disappears immediately after the temperature of more than 500 DEG C, after annealing, iron loss just sharply rises.As Fig. 1, C1 be laser scored before iron loss, C2 be laser scored after iron loss, when annealing temperature reaches after more than 500 DEG C, iron loss situation is rising just fast.For the distribution transformer of substantial amounts, then require efficient and miniaturized, some developed countries have employed more advanced reel iron core transformer.But the iron core of reel iron core transformer (i.e. C shaped iron core) manufacture shaping after will through the annealing of 850 DEG C to eliminate stress, so the silicon steel sheet through laser scored refinement magnetic domain can not be used.
Utility model content
The purpose of this utility model is to provide a kind of discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel, designed by the structure to discaling roll, profile of tooth, this discaling roll is made to carve special mark at surface of steel plate mechanics method, this vestige refinement magnetic domain, and the effect that at high temperature these refinement magnetic domains reduce iron loss does not disappear.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel, comprise axle, axle sleeve, roller shell, the outer surface connecting bushing of axle, the outer surface of axle sleeve connects roller shell, roller shell outer surface arranges the tooth trace carving tooth, and the helical angle of tooth trace is 10 °-25 °, and tooth pitch is 3-6mm, it is 50-120 μm that tooth trace can carve width, and the degree of depth is the equidistant groove of 10-25 μm.By the tooth at quarter on roller shell, processing steel band forms equidistant groove, makes the magnetic domain refinement on steel band, thus reduce eddy-current loss.
Further, the top of the profile of tooth of roller shell normal plane is plane, and plane is wide is 0.5-1mm.The top of profile of tooth is plane, make the gash depth that carves even, and crown is not easy wearing and tearing, meets the needs of magnetic domain refinement.
Preferably, the profile of tooth cross section of roller shell normal plane is trapezoidal, and its top horizontal face width is 1mm, and the angle at profile of tooth top is 25-35 °, and the angle at profile of tooth top ensures that the dynamics of portraying is even.
Preferably, the angle at profile of tooth top is 30 °.
Further, the top of the profile of tooth of roller shell normal plane is sharp-tooth shaped, and sharp-tooth shaped arranges the rounding that radius is below 1.5mm, and the top angle of the profile of tooth of roller shell normal plane is 85-135 °.The top of profile of tooth is the sharp-tooth shaped of rounding, and crown is not easy wearing and tearing, and formed by the profile of tooth top of roller shell normal plane, angle is 85-135 °, ensures that the dynamics of portraying is even.
Preferably, sharp-tooth shaped arranges the rounding that radius is 1.5mm, and the top angle of the profile of tooth of roller shell normal plane is 90 °.
Further, the quantity of roller shell is two or more, axle sleeve is two or more, be interconnected between roller shell, and the joint gap between roller shell is arranged on axle sleeve, the axial movement space between roller shell is at below 0.2mm, and the nonflatness of the horizontal direction of shaft room is not more than 0.02mm, ensure that the tooth at quarter between roller shell connects level and smooth, continuous, make the groove of processing evenly, continuously.
Preferably, the quantity of roller shell is 4, and the quantity of axle sleeve is 5, and two ends of the roller shell group after connection are all arranged on axle sleeve.
Further, also comprise circlip for shaft, circlip for shaft is connected with axle sleeve, and is fixedly installed on the outer surface of axle, is fixed on by axle sleeve on axle, and the position of axle sleeve can not be moved.
Further, also comprise baffle plate, baffle plate is connected with roller shell, and is fixedly installed on the outer surface two ends of axle, is fixed on by roller shell on axle, and its position can not be moved.
Further, also comprise stop washer, stop washer is connected with baffle plate, and is fixedly installed on the outer surface two ends of axle.
The beneficial effects of the utility model are;
1) be 50-120 μm by roller shell outer surface carving width, the degree of depth is the tooth trace of the groove of 10-25 μm, make processing steel band forms equidistant groove, groove makes the magnetic domain refinement on steel band, thus reduction eddy-current loss, and this indentation can the annealing of resistance to 850 DEG C, makes total iron loss reduce about 10%;
2) top of profile of tooth is sharp-tooth shaped or the plane of rounding, makes crown be not easy wearing and tearing.
3) axial movement space between roller shell is at below 0.2mm, and the nonflatness of the horizontal direction of shaft room is not more than 0.02mm, ensures that the tooth at quarter between roller shell connects level and smooth, continuous, makes the groove of processing evenly, continuously;
4) adopt circlip for shaft and baffle plate, ensure that axle sleeve, roller shell can not be subjected to displacement at axle outer surface respectively.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the annealing temperature of the silicon steel of 0.3mm silicone content 3% and the relation schematic diagram of iron loss;
Fig. 2 be 0.23mmHi-B steel after mechanics indentation iron loss P17/50 with the variation diagram of heat treatment time;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is the normal pitch profile schematic diagram of embodiment 1 at I position;
Fig. 5 is the normal pitch profile schematic diagram of embodiment 2 at I position;
Wherein, 1, baffle plate, 2, axle sleeve, 3, roller shell, 4, circlip for shaft, 5, key, 6, axle, 7, stop washer.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, be clearly and completely described the technical solution of the utility model, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
Shown in composition graphs 3, a kind of discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel, comprises axle 6, axle sleeve 2, roller shell 3, circlip for shaft 4, baffle plate 1 and stop washer 7.The outer surface of axle 6 is fixedly connected with axle sleeve 2 by key 5, and the outer surface of axle sleeve 2 adopts interference to be fixedly connected with roller shell 3.The quantity of roller shell 3 is 4, and the quantity of axle sleeve 2 is 5.Be interconnected between roller shell 3, and the joint gap between roller shell 3 is positioned on axle sleeve 2.Two ends of the roller shell group after connection are also located on axle sleeve 2.Axial movement space between roller shell 3 is 0.2mm, and the nonflatness of the horizontal direction between axle sleeve 2 is 0.02mm.The helical angle that roller shell 3 outer surface carves the tooth trace of tooth is 15 °.As Fig. 4, the top of the profile of tooth of roller shell 3 normal plane is plane, and the wide L of plane is 1mm, and the top angle α of the profile of tooth of roller shell 3 normal plane is 30 °, and tooth pitch D is 4mm, and this, tooth can carve the indentation that width is 1mm at quarter.Circlip for shaft 4 is arranged on the two ends of each axle sleeve 2, and is fixed on axle 6.Baffle plate 1 is connected with the end of roller shell group, then by nut attaching nut stop washer 7, baffle plate is fixedly installed on axle 6.
Embodiment 2
In the present embodiment, the construction package of discaling roll in the same manner as in Example 1, but the helical angle of tooth trace that roller shell 3 outer surface carves tooth is 25 °.Meanwhile, the profile of tooth of roller shell normal plane is different.As Fig. 5, the top of the profile of tooth of roller shell normal plane is sharp-tooth shaped, the rounding of sharp-tooth shaped to be radius R be 1.5mm, and the profile of tooth top angle γ of roller shell 3 normal plane is 90 °, and the angle β that the tooth root of the profile of tooth of roller shell 3 normal plane is formed is 30 ° of tooth pitch d is 5mm.
By roller shell outer surface carving the indentation that width is 0.5-1mm, make processing steel band forms equidistant groove, groove makes the magnetic domain refinement on steel band, thus reduces eddy-current loss.As the iron loss that Fig. 2, C3 are before magnetic domain refinement, after magnetic domain refinement and the annealing of 850 DEG C in 1 minute, iron loss lowers gradually.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.
Claims (10)
1. one kind is applicable to the discaling roll of the heat-resisting magnetic domain device for thinning of orientation silicon steel, comprise axle, axle sleeve, roller shell, it is characterized in that: the outer surface of described axle connects described axle sleeve, the outer surface of described axle sleeve connects described roller shell, described roller shell outer surface arranges the tooth trace carving tooth, and the helical angle of tooth trace is 10 °-25 °, and tooth pitch is 3-6mm, it is 50-120 μm that described tooth trace can carve width, and the degree of depth is the equidistant groove of 10-25 μm.
2. the discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel according to claim 1, is characterized in that: the top of the profile of tooth of described roller shell normal plane is plane, and described plane is wide is 0.5-1mm.
3. the discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel according to claim 1, it is characterized in that: the top of the profile of tooth of described roller shell normal plane is sharp-tooth shaped, described sharp-tooth shaped arranges the rounding that radius is below 1.5mm, and the top angle of the profile of tooth of described roller shell normal plane is 85-135 °.
4. the discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel according to claim 2, is characterized in that: the profile of tooth cross section of described roller shell normal plane is trapezoidal, and its top horizontal face width is 1mm, and the angle at described profile of tooth top is 25-35 °.
5. the discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel according to claim 3, is characterized in that: the sharp-tooth shaped of described roller shell normal plane arranges the rounding that radius is 1.5mm, and the top angle of the profile of tooth of described roller shell normal plane is 90 °.
6. the discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel according to claim 4, is characterized in that: the angle at described profile of tooth top is 30 °.
7. according to the arbitrary described discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel of claim 1-6, it is characterized in that: the quantity of described roller shell is two or more, described axle sleeve is two or more, be interconnected between described roller shell, and the joint gap between roller shell is arranged on axle sleeve, axial movement space between described roller shell is at below 0.2mm, and the nonflatness of the horizontal direction of described shaft room is not more than 0.02mm.
8. the discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel according to claim 7, is characterized in that: the quantity of described roller shell is 4, and the quantity of described axle sleeve is 5, and two ends of the roller shell group after connection are all arranged on axle sleeve.
9. the discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel according to claim 6, it is characterized in that: also comprise circlip for shaft, described circlip for shaft is connected with axle sleeve, and is fixedly installed on the outer surface of axle.
10. the discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel according to claim 6, it is characterized in that: also comprise baffle plate and stop washer, described baffle plate is connected with roller shell, described stop washer is connected with baffle plate, and described stop washer, baffle plate are all fixedly installed on the outer surface two ends of axle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420748101.2U CN204381175U (en) | 2014-12-03 | 2014-12-03 | A kind of discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel |
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| CN201420748101.2U CN204381175U (en) | 2014-12-03 | 2014-12-03 | A kind of discaling roll being applicable to the heat-resisting magnetic domain device for thinning of orientation silicon steel |
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| CN204381175U true CN204381175U (en) | 2015-06-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373528A (en) * | 2019-08-07 | 2019-10-25 | 包头市威丰稀土电磁材料股份有限公司 | A kind of lower tooth roll-type mechanical score machine |
| CN110373529A (en) * | 2019-08-07 | 2019-10-25 | 包头市威丰稀土电磁材料股份有限公司 | A kind of pre-tightening buffer mechanism for lower tooth roll-type mechanical score machine |
| CN110405423A (en) * | 2019-08-07 | 2019-11-05 | 包头市威丰稀土电磁材料股份有限公司 | One kind covering processing method for lower tooth roll-type mechanical score machine helical teeth |
-
2014
- 2014-12-03 CN CN201420748101.2U patent/CN204381175U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373528A (en) * | 2019-08-07 | 2019-10-25 | 包头市威丰稀土电磁材料股份有限公司 | A kind of lower tooth roll-type mechanical score machine |
| CN110373529A (en) * | 2019-08-07 | 2019-10-25 | 包头市威丰稀土电磁材料股份有限公司 | A kind of pre-tightening buffer mechanism for lower tooth roll-type mechanical score machine |
| CN110405423A (en) * | 2019-08-07 | 2019-11-05 | 包头市威丰稀土电磁材料股份有限公司 | One kind covering processing method for lower tooth roll-type mechanical score machine helical teeth |
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