CN218428534U

CN218428534U - Cutter for processing low eddy current loss iron-based magnetic material

Info

Publication number: CN218428534U
Application number: CN202222759512.9U
Authority: CN
Inventors: 陈翠萍; 余代有
Original assignee: Kunshan Weisitai Electronic Technology Co ltd
Current assignee: Kunshan Weisitai Electronic Technology Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-02-03
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a cutter that processing low eddy current loss iron-based magnetic material used, it includes the rotor, be provided with a plurality of cutters on the outer peripheral face of rotor, the outer end of a plurality of cutters is cutting edge portion, a plurality of cutters are in radial distribution or axial distribution on the outer peripheral face of rotor, the width of cutting edge portion is 2-10um. The utility model discloses a width of slot is little when the cutter that processing low eddy current loss iron-based magnetic material used processes the slot on iron-based magnetic sheet material, and iron-based magnetic sheet material's eddy current loss is low, magnetic conductivity is high, is favorable to guaranteeing iron-based magnetic material's good performance.

Description

Cutter for processing low eddy current loss iron-based magnetic material

Technical Field

The utility model relates to a cutter that processing low eddy current loss iron-based magnetic material used.

Background

The iron-based magnetic material is a commonly used material for producing electronic products, and can be used as a wireless charging material, and is required to have higher magnetic permeability and lower eddy current loss, some iron-based magnetic sheet materials sometimes need to be processed with latticed grooves on the sheet material, the width of the groove has an influence on the magnetic permeability and the eddy current loss of the iron-based magnetic material, the larger the width of the groove is, the lower the magnetic permeability and the larger the eddy current loss of the iron-based magnetic material are, the common groove processing adopts a rolling method, namely, a rolling die is arranged on a roller body, the latticed grooves are pressed on the iron-based magnetic sheet material through the rolling die, but the width of the grooves processed by the rolling die is relatively larger, and the performance of the iron-based magnetic material is greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutter that processing low eddy current loss iron-based magnetic material used, the width of slot is little when using this cutter to process the slot on iron-based magnetic sheet material, and iron-based magnetic sheet material's eddy current loss is low, magnetic conductivity is high, is favorable to guaranteeing iron-based magnetic material's good performance.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a cutter that processing low eddy current loss iron-based magnetic material used, includes the rotor, be provided with a plurality of cutters on the outer peripheral face of rotor, the outer end of a plurality of cutters is cutting edge portion, a plurality of cutters are in radial distribution or axial distribution on the outer peripheral face of rotor.

Preferably, the blade portion is perpendicular to the outer circumferential surface of the knife roll.

Preferably, the width of the blade part is 2-10um.

Preferably, the plurality of cutters are annular cutters when the cutters are radially distributed on the outer circumferential surface of the cutter roller.

Preferably, when the plurality of cutters are radially distributed on the outer peripheral surface of the cutter roller, the cutters are fan-shaped cutters, and a gap is formed between adjacent fan-shaped cutters on the same plane.

Preferably, the plurality of cutters are arranged at intervals between the annular cutter and the fan-shaped cutter when radially distributed on the outer peripheral surface of the cutter roller.

Preferably, when the plurality of cutters are axially distributed on the outer circumferential surface of the cutter roller, the cutters are rectangular thin plate-shaped cutters.

Preferably, the hardness of the cutter is RCH 64-65, and the height of the cutter is 1.2-2.0mm.

Preferably, the outer end of the blade part is in a right-angled triangle shape.

Preferably, the outer end of the blade part is in an isosceles triangle shape.

The beneficial effects of the utility model are that: the utility model discloses a cutter that low eddy current loss iron-based magnetic material of processing was used is through setting up the extremely thin cutter of a plurality of cutting edges on the rotor, and the width of slot is very little when the cutter processes the slot on iron-based magnetism sheet metal material, and iron-based magnetism sheet metal material's eddy current loss is low like this, magnetic conductivity is high, is favorable to guaranteeing iron-based magnetic material's good performance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 and 2 are schematic structural views of a tool for processing a low eddy current loss iron-based magnetic material according to the present invention;

FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 1;

fig. 4 is a schematic view showing a structure of a cutter roll and a cutter in another embodiment of the cutting tool for processing a low eddy current loss iron-based magnetic material according to the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 6 is a schematic view of the tool of FIG. 1 in an embodiment;

FIG. 7 is a schematic view of the tool of FIG. 2 in an embodiment;

fig. 8 is a schematic view of the cutter for processing a low eddy current loss iron-based magnetic material according to the present invention cutting an iron-based magnetic sheet material;

FIGS. 9 and 10 are schematic views of different shapes cut into an iron-based magnetic sheet material;

FIG. 11 is a schematic view of the shape cut on the iron-based magnetic sheet material when the cutter of FIG. 1 is a circular cutter;

FIGS. 12 and 14 are schematic views of shapes cut on the iron-based magnetic sheet material when the cutter of FIG. 2 is a fan-shaped cutter;

fig. 13 is a schematic view of the shape of the iron-based magnetic sheet material cut by the circular cutter and the fan-shaped cutter arranged at intervals on the cutter roll.

The parts in the drawings are numbered as follows: 1. the cutting device comprises a knife roll, 2, a cutter, 3, a rectangular sheet-shaped cutter, 4, a fan-shaped cutter, 5, a feeding roll, 6, a knife edge part, 7, an iron-based magnetic sheet material, 8 and a PET film.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides a:

referring to fig. 1 to 2, the cutting tool for processing low eddy current loss iron-based magnetic material of the present invention includes a knife roll 1, a plurality of cutters 2 are disposed on an outer peripheral surface of the knife roll 1, an outer end of each of the cutters 2 is a cutting edge portion 6, and the plurality of cutters 2 are radially or axially distributed on the outer peripheral surface of the knife roll 1.

Preferably, the blade section 6 is perpendicular to the outer circumferential surface of the knife roll 1.

Preferably, the width of the blade part 6 is 2-10um, which makes the blade part 6 thin, and the width of the groove when the blade part 6 cuts the groove on the iron-based magnetic thin plate material 7 is also small.

Preferably, as shown in fig. 3, when the plurality of cutters 2 are radially distributed on the outer circumferential surface of the cutter roll 1, the cutters 2 are annular cutters, and when the cutters 2 are used to cut grooves in the iron-based magnetic thin plate material 7, the distribution shape of the grooves in the iron-based magnetic thin plate material 7 is as shown in fig. 11.

Preferably, as shown in fig. 4, when the plurality of cutting blades 2 are radially distributed on the outer circumferential surface of the knife roll 1, the cutting blades 2 are fan-shaped cutting blades 4, and a gap is formed between adjacent fan-shaped cutting blades 4 located on the same plane, and when the fan-shaped cutting blades 4 are used to cut a groove in the iron-based magnetic thin plate material 7, the groove distribution shape on the iron-based magnetic thin plate material 7 is as shown by a broken line in fig. 10, and the groove is discontinuously distributed.

Preferably, the plurality of cutters 2 are arranged in an axially spaced manner from the circular cutter 4 when radially arranged on the outer circumferential surface of the cutter roll 1, so that when the cutter roll 1 rotates the circular cutter and the circular cutter 4 to cut grooves in the iron-based magnetic sheet material 7, the groove arrangement shape on the iron-based magnetic sheet material 7 is as shown in fig. 13.

Preferably, as shown in fig. 5, when the plurality of cutters 2 are formed as rectangular thin plate-like cutters 3 in a state where the cutters 2 are axially distributed on the outer peripheral surface of the cutter roll 1, and when the rectangular thin plate-like cutters 3 are used to cut grooves in the iron-based magnetic thin plate material 7, the distribution of the grooves in the iron-based magnetic thin plate material 7 is as shown in fig. 12 and 14.

Preferably, the hardness of the cutting knife 2 is RCH 64-65, the height of the cutting knife 2 is 1.2-2.0mm, and the cutting knife has high hardness, so that the requirement of cutting processing on the iron-based magnetic sheet material 7 is met.

Preferably, the outer end of the blade part 6 is in a right-angled triangle shape or an isosceles triangle shape, and the end part is sharp and convenient to cut.

The utility model discloses the cutter during operation that processing low eddy current loss iron-based magnetic material used, the iron-based magnetic sheet material 7 of waiting to cut processing is placed between rotor 1 and feed roll 5, rotor 1 is parallel with feed roll 5, the cutting process equipment drives rotor 1 and feed roll 5 rotation, rotor 1 is opposite with feed roll 5's direction of rotation, feed roll 5 makes iron-based magnetic sheet material 7 remove forward, cutter 2 on rotor 1 cuts out the slot on iron-based magnetic sheet material 7, as shown in figure 8 during the cutter cutting, because cutting part 6's width is very little, cutting part 6 is extremely thin, the width of the slot of cutting out on iron-based magnetic sheet material 7 is also very little, influence little to iron-based magnetic sheet material 7's magnetic permeability like this, eddy current loss is low, be favorable to guaranteeing magnetic iron-based material's good performance.

The cutting processing device can be provided with a front knife roller and a rear knife roller 1, wherein an annular cutter is arranged on one knife roller 1, and a rectangular sheet-shaped cutter 3 is arranged on the other knife roller 1, so that after the cutting processing of the cutters on the two knife rollers 1, the iron-based magnetic sheet material 7 is cut into the shape of grooves distributed as shown in figure 9. If a circular cutter and a fan-shaped cutter 4 are simultaneously arranged on one cutter roller 1, the circular cutter and the fan-shaped cutter 4 are arranged at intervals in the axial direction, and a rectangular thin plate-shaped cutter 3 is arranged on the other cutter roller 1, the shape of grooves distributed as shown in figure 10 can be cut on an iron-based magnetic thin plate material 7 after the cutting processing by the cutters on the two cutter rollers 1.

By changing the shape and arrangement mode of the cutters, different groove distribution shapes can be cut and processed.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. The utility model provides a cutter that processing low eddy current loss iron-based magnetic material used, includes the rotor, its characterized in that, be provided with a plurality of cutters on the outer peripheral face of rotor, the outer end of a plurality of cutters is cutting edge portion, a plurality of cutters are in radial distribution or axial distribution on the outer peripheral face of rotor.

2. The tool for processing a low eddy current loss iron-based magnetic material as claimed in claim 1, wherein the cutting edge portion is perpendicular to the outer circumferential surface of the cutter roll.

3. The tool for processing a low eddy current loss iron-based magnetic material as claimed in claim 2, wherein the width of the cutting edge portion is 2-10um.

4. The tool for processing a low eddy current loss iron-based magnetic material as claimed in claim 3, wherein the plurality of cutting blades are annular cutting blades when they are radially distributed on the outer circumferential surface of the cutter roll.

5. The tool for processing a low eddy current loss iron-based magnetic material as claimed in claim 3, wherein the plurality of cutting blades are fan-shaped cutting blades when they are radially distributed on the outer circumferential surface of the cutter roll, and a gap is provided between adjacent fan-shaped cutting blades on the same plane.

6. The tool for processing a low eddy current loss iron-based magnetic material as claimed in claim 5, wherein the plurality of cutting blades are arranged at intervals of a ring-shaped cutting blade and a fan-shaped cutting blade when radially distributed on the outer circumferential surface of the cutter roll.

7. The tool for processing a low eddy current loss iron-based magnetic material as claimed in claim 3, wherein the plurality of cutters are rectangular thin plate-shaped cutters when the plurality of cutters are axially distributed on the outer circumferential surface of the cutter roll.

8. The tool for processing a low eddy-current-loss iron-based magnetic material as claimed in claim 3, wherein the hardness of the cutting blade is RCH 64-65, and the height of the cutting blade is 1.2-2.0mm.

9. The tool for processing a low eddy current loss iron-based magnetic material as claimed in any one of claims 1 to 7, wherein the outer end of the blade portion is in the shape of a right triangle.

10. The tool for processing a low eddy current loss iron-based magnetic material as claimed in any one of claims 1 to 7, wherein the outer end of the blade portion is in the shape of an isosceles triangle.