WO2014199734A1 - 磁石割断装置 - Google Patents
磁石割断装置 Download PDFInfo
- Publication number
- WO2014199734A1 WO2014199734A1 PCT/JP2014/061754 JP2014061754W WO2014199734A1 WO 2014199734 A1 WO2014199734 A1 WO 2014199734A1 JP 2014061754 W JP2014061754 W JP 2014061754W WO 2014199734 A1 WO2014199734 A1 WO 2014199734A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- magnet
- pair
- support
- jig
- support jig
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/02—Tearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/26—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge
- B28D1/28—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge without cutting edge, e.g. chiseling machines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0286—Trimming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13003—Constructional details of switching devices
Definitions
- the present invention relates to an apparatus for cleaving a magnet.
- a long magnet is divided into a plurality of magnet pieces, and the divided magnet pieces are integrated.
- a technique using a long plate-shaped magnet is known (see JP2009-148201A).
- JP2009-148201A a long magnet provided with a notch is placed on the lower punch, and the upper punch is pushed downward from above the long magnet, whereby the long magnet is cleaved at the position of the notch. ing.
- a pair of support portions are provided instead of the lower punch, and a long magnet is set so that the notch is positioned between the pair of support portions.
- a method of cleaving the magnet by three-point bending with a punch is conceivable.
- the gap between the pair of support portions is wide.
- the magnet piece may fall between the pair of support portions after cleaving.
- the cleaved magnet may be caught by the pair of support portions.
- An object of the present invention is to prevent a broken magnet piece from falling between a pair of support parts, and to prevent the magnet from being caught by a pair of support parts during conveyance of the magnet.
- the magnet cleaving device is arranged at a predetermined distance, a pair of support portions that support the magnet from below, and a pressing portion that presses the magnet supported by the pair of support portions from above,
- a magnet support jig that is movable in the vertical direction and is disposed between the pair of support portions and supports the magnet from below is provided.
- the surface of the magnet support jig in contact with the magnet is such that the center of the upper end is higher than the upper ends of the pair of support portions when the magnet is placed thereon, and the end portions of the upper ends are the upper ends of the pair of support portions. It is characterized by having a slope which is lower than that and connects the central portion and the end portion.
- FIG. 1 is a diagram illustrating an overall configuration of a magnet cleaving apparatus according to the first embodiment.
- FIG. 2 is an enlarged view of the upper end portion of the magnet piece support jig.
- FIG. 3 is a diagram for explaining a method of positioning in order to cleave the magnet.
- FIG. 4 is a diagram illustrating a state where the magnet is pressed from above by the magnet pressing portion.
- FIG. 5 is a view showing a state in which the magnet is cut by pushing the blade downward.
- FIG. 6 is a diagram illustrating a state in which the blade and the magnet pressing portion are raised after the magnet is cleaved.
- FIG. 1 is a diagram illustrating an overall configuration of a magnet cleaving apparatus according to the first embodiment.
- FIG. 2 is an enlarged view of the upper end portion of the magnet piece support jig.
- FIG. 3 is a diagram for explaining a method of positioning in order to cleave the magnet.
- FIG. 4 is a
- FIG. 7 is a view for explaining a method of positioning so that the next groove of the magnet is located immediately below the center in the left-right direction of the blade.
- FIG. 8 is a diagram for explaining a method of positioning so that the next groove of the magnet is located immediately below the center in the left-right direction of the blade.
- FIG. 9 is a diagram for explaining the effect of the magnet cleaving apparatus according to the first embodiment.
- FIG. 10 is a diagram illustrating an overall configuration of a magnet cleaving apparatus according to the second embodiment.
- FIG. 11 is a diagram illustrating an example of another shape of the magnet piece support jig.
- FIG. 1 is a diagram illustrating an overall configuration of a magnet cleaving apparatus according to the first embodiment.
- the magnet cleaving apparatus according to one embodiment includes a pair of support parts 2, a blade 3, a magnet pressing part 4, a positioning jig 5, a magnet piece support jig 6, and a spring 7.
- the pair of support portions 2 are arranged at a predetermined distance and support the magnet 1 from below.
- the magnet piece support jig 6 is disposed between the pair of support portions 2 and supports the magnet 1 from below.
- the magnet piece support jig 6 is movable in the vertical direction by the elastic force of the spring 7.
- FIG. 2 is an enlarged view of the upper end portion of the magnet piece support jig 6.
- the magnet piece support jig 6 has a shape in which the center portion at the upper end is the highest, is lowered from the center portion toward the end portion, and has an inclined surface connecting the upper end center portion and the end portion. It has become.
- the center part of the upper end of the magnet piece support jig 6 is higher than the upper ends of the pair of support parts 2 and both ends of the upper end of the magnet piece support jig 6.
- the upper end central portion of the magnet piece support jig 6 is positioned higher than the pair of support portions 2 and the upper end of the magnet piece support jig 6
- the shape of the magnet piece support jig 6 and the spring constant of the spring 7 are determined so that both end portions are positioned lower than the pair of support portions 2.
- the magnet pressing part 4 plays a role of pressing the magnet 1 from above.
- the blade 3 cleaves the magnet 1 by pushing the magnet 1 sandwiched and fixed by the magnet pressing portion 4 and the magnet piece support jig 6 downward from above.
- the magnet 1 is provided with a groove at the planned cutting position. Then, the magnet 1 is placed on the support portion 2 so that the groove is positioned below, and the magnet 1 is positioned by a known positioning jig 5 (see FIG. 3). More specifically, the magnet 1 is pushed out in the right direction in FIG. 3 by the positioning jig 5 so that the groove of the magnet 1 is positioned just below the center in the left-right direction of the blade 3.
- a positioning mechanism such as an LM guide is used to control the positioning jig 5.
- the magnet pressing part 4 and the blade 3 are moved downward, and the magnet 1 is pressed from above by the magnet pressing part 4 (see FIG. 4).
- the blade 3 is pushed downward, and the magnet 1 is cleaved by three-point bending by the pair of support portions 2 and the blade 3 (see FIG. 5).
- the positioning jig 5 is retracted to a position away from the magnet 1 before the magnet 1 is cleaved so as not to hinder the movement of the magnet 1 after cleaving.
- the spring 7 contracts via the magnet piece support jig 6 that is in contact with the magnet 1 by the force that pushes down the blade 3 downward, so that the magnet piece support jig 6 is pushed down.
- the spring constant of the spring 7 that moves the magnet piece supporting jig 6 in the vertical direction by the elastic force is set to an appropriate value so as not to affect the cleaving by the three-point bending.
- the magnet 1 is pushed to the right in FIG. 7 with the positioning jig 5 so that the next groove of the magnet 1 is positioned just below the center of the blade 3 in the left-right direction.
- the cleaved magnet piece 1a is also pushed and conveyed to the top of the support portion 2 positioned in the right direction in FIG. 7 (see FIG. 7 and FIG. 8).
- the spring constant and the amount of expansion and contraction of the spring 7 are selected so that the magnet piece support jig 6 does not sink at the next positioning after the magnet 1 is cleaved.
- burrs protrusions
- the upper end central portion of the magnet piece support jig 6 is higher than the pair of support portions 2 in the state where the magnet 1 is placed, and the magnet Both end portions of the upper end of the single support jig 6 are arranged to be lower than the upper ends of the pair of support portions 2. Therefore, even when a burr exists in the magnet 1 at the time of the next positioning after the magnet cleaving, the magnet 1 pushed by the positioning jig 5 is not caught on the support portion 2.
- the pair of support portions 2 that are arranged at a predetermined distance and support the magnets from below and the magnets supported by the pair of support portions 2 are viewed from above.
- the magnet piece support jig 6 has a center portion at the upper end higher than the upper ends of the pair of support portions and a lower end portion of the magnet piece support jig 6 lower than the upper ends of the pair of support portions. Since it has the slope which connects a center part and an end, it can prevent that a magnet gets caught in a pair of support parts 2 at the time of conveyance of a magnet after cleaving.
- the magnet 1 If the magnet 1 is lifted and transported at the next positioning after the magnet cleaving, the magnet 1 will not be caught by the support portion 2 even if the magnet 1 has burrs, but the magnet 1 is lifted and transported. In order to make it a structure, an installation cost becomes high and positioning takes time. However, according to the magnet cleaving apparatus in the present embodiment, such a problem does not occur.
- FIG. 10 is a diagram illustrating an overall configuration of a magnet cleaving apparatus according to the second embodiment.
- the magnet cleaving apparatus in the second embodiment differs from the magnet cleaving apparatus in the first embodiment in the structure of the pair of support portions 2 and the configuration of the magnet piece support jig 6.
- the magnet piece support jig 6 has a protruding portion 6a in which a part of the outer end portion protrudes toward the pair of support portions 2 while being disposed between the pair of support portions 2.
- the protruding portion 6 a protrudes outward from a position spaced a predetermined distance downward from the upper end of the magnet piece support jig 6.
- the pair of support portions 2 is provided with a space portion 2a in which the protruding portion 6a of the magnet piece support jig 6 is accommodated.
- the central portion of the upper end of the magnet piece support jig 6 is a pair of The upper end of the support part 2 is higher and the upper end part is lower than the upper ends of the pair of support parts 2.
- the upper end of the magnet piece support jig 6 is opened, and wind is blown out from the open end 6b.
- the contamination can be blown off, and the presence of the contamination changes the height of the upper end of the magnet piece support jig 6. Can be prevented.
- the open end 6b may have a suction function. Since the opening end 6b has a suction function, even if there is contamination (crushed powder) around the opening end 6b, the contamination can be sucked. It is possible to prevent the height of the upper end from changing.
- the magnet piece support jig 6 is arranged between the pair of support portions 2 and the outer end thereof protrudes toward the pair of support portions 2.
- the protruding portion 6a is provided, and the pair of support portions 2 are provided with a space portion 2a in which the protruding portion 6a of the magnet piece support jig 6 is accommodated.
- the center part of the upper end of the magnet piece support jig 6 is a pair of support part. 2 and higher than the upper ends of the pair of support portions 2.
- the position of the upper end of the magnet piece support jig 6 can be determined with higher accuracy. That is, the magnet piece support jig 6 rises after the magnet is cleaved, but the position where the upper end of the protruding portion 6a of the magnet piece support jig 6 contacts the pair of support parts 2 is the initial position. It can be determined with high accuracy. Further, in the initial position, the central portion of the upper end of the magnet piece support jig 6 is higher than the upper ends of the pair of support portions 2 and the upper end portions thereof are lower than the upper ends of the pair of support portions 2. Similarly to the magnet cleaving apparatus in the first embodiment, it is possible to prevent the magnet from being caught by the pair of support portions 2 when the magnet after cleaving is conveyed.
- the magnet piece support jig 6 has an opening end 6b having at least a part of the upper end opened, and wind blows out from the opening end 6b. Therefore, even when there is contamination around the opened part, the contamination is not contaminated. Can be blown away. Thereby, it can prevent that the height of the upper end of the magnet piece support jig 6 changes due to the presence of contamination.
- the opening end 6b has a suction function, the contamination can be sucked even when the contamination exists around the opening end 6b. Thereby, it can prevent that the height of the upper end of the magnet piece support jig 6 changes due to the presence of contamination.
- the magnet cleaving apparatus in the first embodiment may have the same configuration as the pair of support portions 2 and the magnet piece support jig 6 in the second embodiment.
- an opening end is provided at at least a part of the upper end of the magnet piece support jig 6, and wind blows out from the opening end.
- a function or a suction function may be provided.
- the magnet piece supporting jig 6 may be any shape as long as the upper end central portion is the highest, is lower from the central portion toward the end, and has a slope connecting the upper end central portion and the end portion. It is not limited to the shape shown.
- FIG. 11 is a diagram illustrating an example of another shape of the magnet piece support jig 6, but may be a shape as illustrated in FIG. 11.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Mining & Mineral Resources (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
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Abstract
Description
図1は、第1の実施形態における磁石割断装置の全体構成を示す図である。一実施の形態における磁石割断装置は、一対の支持部2と、ブレード3と、磁石押さえ部4と、位置決め治具5と、磁石片支持治具6と、バネ7とを備える。
図10は、第2の実施形態における磁石割断装置の全体構成を示す図である。第2の実施形態における磁石割断装置が第1の実施形態における磁石割断装置と異なるのは、一対の支持部2の構造と磁石片支持治具6の構成である。
Claims (4)
- 所定の距離を空けて配置され、磁石を下から支持する一対の支持部と、
前記一対の支持部によって支持された磁石を上方から押圧する押圧部と、
上下方向に移動可能であり、前記一対の支持部間に配置されて下から磁石を支持する磁石支持治具と、
を備え、
前記磁石支持治具が前記磁石と接する面は、上に磁石が置かれた状態でその上端の中央部が前記一対の支持部の上端よりも高く、かつ、その上端の端部が前記一対の支持部の上端よりも低く、前記中央部と前記端部とを接続する斜面を有する磁石割断装置。 - 請求項1に記載の磁石割断装置において、
前記磁石支持治具は、前記一対の支持部間に配置された状態で、その外側端部の一部が前記一対の支持部側にせり出したせり出し部を有しており、
前記一対の支持部には、前記磁石支持治具のせり出し部が収まる空間部が設けられており、
前記磁石支持治具のせり出し部の上端が前記一対の支持部の空間部の上端と当接した状態では、前記磁石支持治具の上端の中央部は前記一対の支持部の上端よりも高く、かつ、その上端の端部は前記一対の支持部の上端よりも低い磁石割断装置。 - 請求項1または請求項2に記載の磁石割断装置において、
前記磁石支持治具は、上端の少なくとも一部が開口した開口端を有しており、前記開口端から風が吹き出る磁石割断装置。 - 請求項1から請求項3のいずれか一項に記載の磁石割断装置において、
前記磁石支持治具は、上端の少なくとも一部が開口した開口端を有しており、前記開口端は吸引機能を有する磁石割断装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14810548.9A EP3010123B1 (en) | 2013-06-13 | 2014-04-25 | Magnet fracturing device |
CN201480032743.5A CN105264754B (zh) | 2013-06-13 | 2014-04-25 | 磁体割断装置 |
US14/896,979 US10668641B2 (en) | 2013-06-13 | 2014-04-25 | Magnet cutting device |
JP2015522633A JP5999263B2 (ja) | 2013-06-13 | 2014-04-25 | 磁石割断装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013124806 | 2013-06-13 | ||
JP2013-124806 | 2013-06-13 |
Publications (1)
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WO2014199734A1 true WO2014199734A1 (ja) | 2014-12-18 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2014/061754 WO2014199734A1 (ja) | 2013-06-13 | 2014-04-25 | 磁石割断装置 |
Country Status (5)
Country | Link |
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US (1) | US10668641B2 (ja) |
EP (1) | EP3010123B1 (ja) |
JP (1) | JP5999263B2 (ja) |
CN (1) | CN105264754B (ja) |
WO (1) | WO2014199734A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US10773420B2 (en) * | 2011-11-10 | 2020-09-15 | LatticeGear, LLC | Device and method for cleaving a substrate |
US10065340B2 (en) * | 2011-11-10 | 2018-09-04 | LatticeGear, LLC | Device and method for cleaving |
FR3007681B1 (fr) * | 2013-07-01 | 2015-07-17 | Oberthur Technologies | Fabrication d'une plaque de grande epaisseur comprenant une carte detachable de petite epaisseur |
CN113315324B (zh) * | 2021-07-07 | 2022-04-05 | 徐州给力磁业有限公司 | 一种电机用磁钢生产设备 |
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- 2014-04-25 JP JP2015522633A patent/JP5999263B2/ja active Active
- 2014-04-25 US US14/896,979 patent/US10668641B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
EP3010123A4 (en) | 2016-06-08 |
EP3010123B1 (en) | 2017-03-29 |
CN105264754B (zh) | 2017-10-27 |
JPWO2014199734A1 (ja) | 2017-02-23 |
US20160136835A1 (en) | 2016-05-19 |
EP3010123A1 (en) | 2016-04-20 |
CN105264754A (zh) | 2016-01-20 |
US10668641B2 (en) | 2020-06-02 |
JP5999263B2 (ja) | 2016-09-28 |
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