CN112123099A - Positioning mechanism for grinding tile-shaped neodymium iron boron magnetic steel - Google Patents
Positioning mechanism for grinding tile-shaped neodymium iron boron magnetic steel Download PDFInfo
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- CN112123099A CN112123099A CN202010823255.3A CN202010823255A CN112123099A CN 112123099 A CN112123099 A CN 112123099A CN 202010823255 A CN202010823255 A CN 202010823255A CN 112123099 A CN112123099 A CN 112123099A
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- arc
- magnetic steel
- iron boron
- neodymium iron
- shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Abstract
The invention discloses a tile-shaped neodymium iron boron magnetic steel grinding positioning mechanism, which is characterized in that a first side surface positioning surface, a second side surface positioning surface and an upwards-protruded arc positioning surface are arranged on a strip-shaped track, the arc positioning surfaces comprise a first arc surface, a second arc surface and a third arc surface which are sequentially connected from left to right, the height of the first arc surface from left to right is consistent, the height of the second arc surface from left to right is gradually increased, the height of the third arc surface from left to right is consistent, the height of the left end surface of the second arc surface is lower than that of the first arc surface, the height of the right end surface of the second arc surface is equal to that of the third arc surface, and the length of the second arc surface along the left-right direction is greater than that of the tile-shaped neodymium iron boron magnetic steel when the tile-; the advantage can fix a position tile shape neodymium iron boron magnetic steel at the quadruplex position, improves tile shape neodymium iron boron magnetic steel's upper surface grinding precision, guarantees tile shape neodymium iron boron magnetic steel profile machining precision.
Description
Technical Field
The invention relates to a positioning mechanism, in particular to a positioning mechanism for grinding tile-shaped neodymium iron boron magnetic steel.
Background
The patent number 200620034720.0 discloses in the chinese utility model patent a quadruplex position through type tile shape magnet grinding machine, this quadruplex position through type tile shape magnet grinding machine can carry out the contour machining to symmetrical tile shape neodymium iron boron magnetic steel, and machining efficiency is high, has been by the contour machining production of wide application in current symmetrical tile shape neodymium iron boron magnetic steel. The utility model discloses in the patent of the utility model for 200920105300.0 a contour grinder of quadruplex position tile shape magnet with oblique side guide rail is disclosed, this contour grinder for the quadruplex position through-type tile shape magnet grinding machine disclosed in the chinese utility model patent that patent number is 200620034720.0, optimized the guide rail design, make the grinding machine to asymmetric tile shape magnet steel profile machining precision obtain promoting.
The grinding machines disclosed in the two above-mentioned chinese patents are all four-station grinding machines. The four-station grinding machine adopts a continuous grinding mode and is provided with four grinding stations, the former station can provide a positioning reference for the next station, wherein the three stations are used for finely grinding the lower surface (the inner cambered surface and the two side surfaces), and the four stations are used for finely grinding the upper surface (the outer cambered surface). Because the tile-shaped neodymium iron boron magnetic steel blank can inevitably appear phenomenons such as warpage and deformation after the sintering, the grinding machine three-station grinding is fixed a position through the V type piece that is in tile-shaped neodymium iron boron magnetic steel top simultaneously, the emery wheel is in tile-shaped neodymium iron boron magnetic steel below and grinds tile-shaped neodymium iron boron magnetic steel's lower surface, tile-shaped neodymium iron boron magnetic steel's lower surface can produce the condition that the middle grinding is many after three-station grinding, both sides grinding is few, that is to say tile-shaped neodymium iron boron magnetic steel both sides height is high, middle height is low, tile-shaped neodymium iron boron magnetic steel's lower surface has formed the arc recess along its length direction, will lead to follow-up four-station location inaccurate from this, tile-shaped neodymium iron boron magnetic steel's upper surface grinding precision.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a positioning mechanism for grinding tile-shaped neodymium iron boron magnetic steel, which can be used for locally positioning the grinding position of the tile-shaped neodymium iron boron magnetic steel at four stations, so that the grinding precision of the upper surface of the tile-shaped neodymium iron boron magnetic steel is improved, and the contour machining precision of the tile-shaped neodymium iron boron magnetic steel is ensured.
The technical scheme adopted by the invention for solving the technical problems is as follows: a positioning mechanism for grinding tile-shaped neodymium iron boron magnetic steel comprises a bar-shaped rail arranged below a grinding wheel, wherein a grinding interval is formed between the bar-shaped rail and the grinding wheel, the tile-shaped neodymium iron boron magnetic steel travels on the bar-shaped rail from left to right during grinding, a first side positioning surface, a second side positioning surface and an upwards-convex arc positioning surface are arranged on the bar-shaped rail, the first side positioning surface is positioned on the front side of the arc positioning surface and a first concave cavity is formed between the first side positioning surface and the second side positioning surface, the second side positioning surface is positioned on the rear side of the arc positioning surface and a second concave cavity is formed between the first side positioning surface and the second side positioning surface, the arc positioning surfaces comprise a first arc surface, a second arc surface and a third arc surface which are sequentially connected from left to right, the first arc surface is consistent in height from left to right, and the second arc surface is gradually increased in height from, just the right-hand member face on second arc surface and the difference in height between its left end face be not more than 5mm, third arc surface from left to right highly uniform, the left end face on second arc surface highly be less than the height on first arc surface, the right-hand member face on second arc surface highly equal to the height on third arc surface, first arc surface second arc surface with third arc surface along the radius size homogeneous phase of fore-and-aft direction cross-section circular arc equal, second arc surface length along left-right direction be greater than tile shape neodymium iron boron magnetic steel and be in bar track length along left-right direction during conveying, the right-hand member face on second arc surface be located the left side of emery wheel minimum, right-hand member face and emery wheel minimum between the distance of horizontal direction be greater than 0 and be less than tile shape neodymium iron boron magnetic steel and be in bar track during conveying along left-right direction long length direction The radius of the section arc of the second arc-shaped surface along the left-right direction is less than the radius of an arc-shaped groove formed on the lower surface of the tile-shaped neodymium iron boron magnetic steel after three-station grinding; when tile shape neodymium iron boron magnetic steel is in the bar track on when impelling from the left side to the right side, tile shape neodymium iron boron magnetic steel's intrados with the contact of arc locating surface, tile shape neodymium iron boron magnetic steel's both sides get into respectively first cavity with the second cavity in, and its two sides respectively with first side locating surface with the contact of second side locating surface.
The material of the strip-shaped track is hard alloy, and the arc-shaped positioning surface is manufactured by processing a molded surface through electric spark.
Compared with the prior art, the invention has the advantages that the strip-shaped track is provided with the first side positioning surface, the second side positioning surface and the arc positioning surface which protrudes upwards, the first side positioning surface is positioned at the front side of the arc positioning surface, the first concave cavity is formed between the first side positioning surface and the arc positioning surface, the second side positioning surface is positioned at the rear side of the arc positioning surface, the second concave cavity is formed between the first side positioning surface and the arc positioning surface, the arc positioning surface comprises the first arc surface, the second arc surface and the third arc surface which are sequentially connected from left to right, the height of the first arc surface from left to right is consistent, the height of the second arc surface from left to right is gradually increased, the height difference between the right end surface of the second arc surface and the left end surface of the second arc surface is not more than 5mm, the height of the third arc surface from left to right is consistent, the height of the left end surface of the second arc surface is, the radius of the cross section circular arcs of the first arc-shaped surface, the second arc-shaped surface and the third arc-shaped surface along the front and back direction are equal, the length of the second arc-shaped surface along the left and right direction is greater than that of the tile-shaped neodymium iron boron magnetic steel when the tile-shaped neodymium iron boron magnetic steel is conveyed on the strip-shaped rail along the left and right direction, the right end face of the second arc-shaped surface is positioned on the left side of the lowest end of the grinding wheel, the distance between the right end face of the second arc-shaped surface and the lowest end of the grinding wheel in the horizontal direction is greater than 0 and less than one half of the length of the tile-shaped neodymium iron boron magnetic steel when the tile-shaped neodymium iron boron magnetic steel is conveyed on the strip-shaped rail along the; when the tile-shaped neodymium iron boron magnetic steel is pushed to the right from the left on the strip-shaped track, the inner arc surface of the tile-shaped neodymium iron boron magnetic steel is contacted with the arc positioning surface, two sides of the tile-shaped neodymium iron boron magnetic steel respectively enter the first concave cavity and the second concave cavity, and two side surfaces of the tile-shaped neodymium iron boron magnetic steel are respectively contacted with the first side positioning surface and the second side positioning surface, when the upper surface of the tile-shaped neodymium iron boron magnetic steel is ground at four stations, because the radius of the arc groove in the length direction formed after the tile-shaped neodymium iron boron magnetic steel is ground at three stations is larger than the radius of the arc of the section of the second arc surface along the left and right directions, when the tile-shaped neodymium iron boron magnetic steel is ground at the second arc surface, the first side positioning surface and the second side positioning surface below the grinding wheel are always used as the positioning references, the grinding precision of the upper surface of the tile-shaped neodymium iron boron magnetic steel is improved, and the contour machining precision of the tile-shaped neodymium iron boron magnetic steel is guaranteed.
Drawings
FIG. 1 is a rear view of the positioning mechanism for grinding tile-shaped NdFeB magnet steel of the present invention;
FIG. 2 is a cross-sectional view of the bar track of the positioning mechanism for grinding tile-shaped NdFeB magnet steel of the present invention along the front-back direction;
FIG. 3 is a schematic structural diagram of the tile-shaped Nd-Fe-B magnetic steel entering a grinding zone when the tile-shaped Nd-Fe-B magnetic steel is positioned by the positioning mechanism for grinding the tile-shaped Nd-Fe-B magnetic steel of the present invention;
FIG. 4 is a schematic structural diagram of the tile-shaped Nd-Fe-B magnetic steel leaving the grinding zone when the tile-shaped Nd-Fe-B magnetic steel is positioned by the positioning mechanism for grinding the tile-shaped Nd-Fe-B magnetic steel of the present invention;
FIG. 5 is a left side view of the tile-shaped Nd-Fe-B magnetic steel positioning mechanism for grinding tile-shaped Nd-Fe-B magnetic steel of the present invention;
fig. 6 is a schematic diagram of the matching between the tile-shaped ndfeb magnetic steel and the positioning mechanism for grinding the tile-shaped ndfeb magnetic steel of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Example (b): as shown in the figure, the positioning mechanism for grinding the tile-shaped neodymium iron boron magnetic steel comprises a strip-shaped rail 2 arranged below a grinding wheel 1, a grinding interval is formed between the strip-shaped rail 2 and the grinding wheel 1, during grinding, the tile-shaped neodymium iron boron magnetic steel 3 moves on the strip-shaped rail 2 from left to right, a first side positioning surface 4, a second side positioning surface 5 and an arc-shaped positioning surface 6 protruding upwards are arranged on the strip-shaped rail 2, the first side positioning surface 4 is positioned on the front side of the arc-shaped positioning surface 6, a first concave cavity 7 is formed between the first side positioning surface and the arc-shaped positioning surface, the second side positioning surface 5 is positioned on the rear side of the arc-shaped positioning surface 6, a second concave cavity 8 is formed between the first side positioning surface and the second side positioning surface, the arc-shaped positioning surface 6 comprises a first arc-shaped surface 9, a second arc-shaped surface 10 and a third arc-, and the difference in height between the right end face of the second arc surface 10 and the left end face thereof is not more than 5mm, the third arc surface 11 is uniform in height from left to right, the left end face of the second arc surface 10 is lower than the first arc surface 9 so that the tile-shaped ndfeb magnet 3 can smoothly transit from the first arc surface 9 to the second arc surface 10 without falling or overturning, the right end face of the second arc surface 10 is equal to the third arc surface 11, the radii of the cross-sectional arcs of the first arc surface 9, the second arc surface 10 and the third arc surface 11 in the front-rear direction are equal in size, the length of the second arc surface 10 in the left-right direction is greater than that of the tile-shaped ndfeb magnet 3 in the left-right direction when the tile-shaped ndfeb magnet 3 is conveyed on the bar rail 2, the right end face of the second arc surface 10 is located on the left side of the lowest end of the grinding wheel 1, the distance between the right end face of the second arc surface 10 and the lowest end of the grinding wheel 1 in the When the steel 3 is conveyed on the strip-shaped track 2, the length of the steel is half of the length of the steel along the left-right direction, and the radius of the section arc of the second arc-shaped surface 10 along the left-right direction is smaller than that of an arc-shaped groove formed on the lower surface of the tile-shaped neodymium iron boron magnetic steel 3 after three-station grinding; when tile shape neodymium iron boron magnetic steel 3 impels from left to right on bar track 2, the intrados of tile shape neodymium iron boron magnetic steel 3 and the contact of arc locating surface 6, during tile shape neodymium iron boron magnetic steel 3's both sides got into first cavity 7 and second cavity 8 respectively, and its two sides contacted with first side locating surface 4 and second side locating surface 5 respectively.
In this embodiment, the material of the strip-shaped rail 2 is cemented carbide, and the arc-shaped positioning surface 6 is formed by machining a molded surface by electric spark.
Claims (2)
1. The utility model provides a positioning mechanism is used in grinding of tile shape neodymium iron boron magnetic steel, includes the bar track of installing in the emery wheel below, the bar track with the emery wheel between form the grinding interval, during the grinding, tile shape neodymium iron boron magnetic steel be in the bar track on advance according to from left to right direction, its characterized in that the bar track on be provided with first side locating surface, second side locating surface and the bellied arc locating surface that makes progress, first side locating surface be located the front side of arc locating surface and form first cavity between the two, second side locating surface be located the rear side of arc locating surface and form the second cavity between the two, the arc locating surface include first arc surface, second arc surface and the third arc surface that from left to right connects gradually, first arc surface from left to right highly uniform, second arc surface from left to right highly grow gradually, just right-hand member face on second arc surface and the difference in height between its left end face be not more than 5mm, third arc surface from left to right highly uniform, the left end face on second arc surface highly be less than the height on first arc surface, the right-hand member face on second arc surface highly be equal to the height on third arc surface, first arc surface second arc surface with third arc surface along the radius size homogeneous phase of fore-and-aft direction cross-section circular arc, second arc surface along the length of left right direction be greater than tile shape neodymium iron boron magnetic steel and be in bar track on the length of follow left right direction when conveying, the right-hand member face on second arc surface be located the left side of emery wheel minimum, right-hand member face on second arc surface and emery wheel minimum between the distance of horizontal direction be greater than 0 and be less than tile shape neodymium iron boron magnetic steel and be less than the length of tile shape neodymium iron boron magnetic steel The length of the magnetic steel is one half of the length of the magnetic steel in the left-right direction when the magnetic steel is conveyed on the strip-shaped track, and the radius of the section arc of the second arc-shaped surface in the front-back direction is smaller than that of an arc-shaped groove formed on the lower surface of the tile-shaped neodymium iron boron magnetic steel after three-station grinding; when tile shape neodymium iron boron magnetic steel is in the bar track on when impelling from the left side to the right side, tile shape neodymium iron boron magnetic steel's intrados with the contact of arc locating surface, tile shape neodymium iron boron magnetic steel's both sides get into respectively first cavity with the second cavity in, and its two sides respectively with first side locating surface with the contact of second side locating surface.
2. The positioning mechanism for grinding tile-shaped neodymium iron boron magnetic steel according to claim 1, wherein the material of the strip-shaped rail is hard alloy, and the arc-shaped positioning surface is made by processing a molded surface through electric spark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010823255.3A CN112123099B (en) | 2020-08-17 | 2020-08-17 | Positioning mechanism for grinding tile-shaped neodymium iron boron magnetic steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010823255.3A CN112123099B (en) | 2020-08-17 | 2020-08-17 | Positioning mechanism for grinding tile-shaped neodymium iron boron magnetic steel |
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| CN112123099A true CN112123099A (en) | 2020-12-25 |
| CN112123099B CN112123099B (en) | 2021-06-22 |
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| CN202010823255.3A Active CN112123099B (en) | 2020-08-17 | 2020-08-17 | Positioning mechanism for grinding tile-shaped neodymium iron boron magnetic steel |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2500437A1 (en) * | 1975-01-07 | 1976-07-08 | Agrob Ag | Wall tile shaped unit joining bath edge to tiling - with wider walling thickness on bath side, to overlap bulge edge |
| CN201042771Y (en) * | 2007-06-20 | 2008-04-02 | 成都四星液压制造有限公司 | Four-station magnetic shoe automatic chamfer angle grinder |
| CN201342597Y (en) * | 2009-02-04 | 2009-11-11 | 宁波科宁达工业有限公司 | Profile grinder with auxiliary positioning device for four-station tile-shaped magnet |
| JP2014001571A (en) * | 2012-06-19 | 2014-01-09 | Takashima & Co Ltd | Tile-shaped support device |
| CN203579407U (en) * | 2013-11-26 | 2014-05-07 | 宁波科宁达工业有限公司 | Guide rail device with integral positioning effect for contour grinding machine |
| CN205310051U (en) * | 2016-01-22 | 2016-06-15 | 江西荧光磁业有限公司 | Neodymium iron boron simplex position tile through type grinding machine |
-
2020
- 2020-08-17 CN CN202010823255.3A patent/CN112123099B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2500437A1 (en) * | 1975-01-07 | 1976-07-08 | Agrob Ag | Wall tile shaped unit joining bath edge to tiling - with wider walling thickness on bath side, to overlap bulge edge |
| CN201042771Y (en) * | 2007-06-20 | 2008-04-02 | 成都四星液压制造有限公司 | Four-station magnetic shoe automatic chamfer angle grinder |
| CN201342597Y (en) * | 2009-02-04 | 2009-11-11 | 宁波科宁达工业有限公司 | Profile grinder with auxiliary positioning device for four-station tile-shaped magnet |
| JP2014001571A (en) * | 2012-06-19 | 2014-01-09 | Takashima & Co Ltd | Tile-shaped support device |
| CN203579407U (en) * | 2013-11-26 | 2014-05-07 | 宁波科宁达工业有限公司 | Guide rail device with integral positioning effect for contour grinding machine |
| CN205310051U (en) * | 2016-01-22 | 2016-06-15 | 江西荧光磁业有限公司 | Neodymium iron boron simplex position tile through type grinding machine |
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| CN112123099B (en) | 2021-06-22 |
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