CN201227765Y - Air gap grinding attachment - Google Patents
Air gap grinding attachment Download PDFInfo
- Publication number
- CN201227765Y CN201227765Y CNU2008200955489U CN200820095548U CN201227765Y CN 201227765 Y CN201227765 Y CN 201227765Y CN U2008200955489 U CNU2008200955489 U CN U2008200955489U CN 200820095548 U CN200820095548 U CN 200820095548U CN 201227765 Y CN201227765 Y CN 201227765Y
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- Prior art keywords
- air gap
- rotating shaft
- grinding attachment
- bistrique
- frame
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Abstract
The utility model relates to an air gap grinding device, which comprises a horizontal grinding head. The air gap grinding device further comprises a lifting component for the grinding head, a clamp for positioning and holding a magnetic core; and a positioning block with a processing opening is arranged at the upper end of the clamp, and a workbench is arranged at the lower end of the clamp. The air gap grinding device further comprises a frame. A bearing and a rotary driving machine are mounted on the frame; the rotary driving machine comprises a power machine, a driving wheel and a driven wheel; a rotating shaft is connected to the clamp in the vertical direction; and the rotating shaft is supported on the frame through the bearing; and the driven wheel is disposed on the rotating shaft. The utility model can completely cover the processing surface of the magnetic core which needs to be slotted and conduct uniform grinding, and can not damage the positioning block at the periphery and the positioning surface thereof. Furthermore, all the smoothness, the evenness and the uniformity of the surface after grinding are improved greatly.
Description
Technical field
The utility model relates to a kind of ferrite magnetic core equipment, and more particularly, the utility model relates to a kind of equipment of processing the FERRITE CORE air gap.
Background technology
Inductance element generally adopts the magnetic core that the soft magnetic ferrite compacting sintering is made in the electronics industry, special requirement for magnetic circuit, to on the part surface of FERRITE CORE, process and be lower than the surface of magnetic core height on every side, custom calls off " air gap " in the industry, opens air gap and is mainly used in the undersized FERRITE CORE of processing.
At present such FERRITE CORE (referring to Fig. 1,2,3,4) open the air gap processing method, mainly contain two kinds: end mill method, all mill methods, respectively referring to Fig. 5, Fig. 6, Fig. 7, Fig. 8:
Be end mill method among Fig. 5: magnetic core is fixed on the workbench motionless, with the cross grinding of emery wheel and carry out axial feed, finishes grinding.The problem that this processing method and product exist is: emery wheel linear velocity radially changes, emery wheel center linear velocity is zero no cutting power, emery wheel out conductor speed maximum, cutting power is the strongest, roughness radially is inconsistent, and after using a period of time, the emery wheel central area wear and tear gradually form high outside and low outside, the product machined surface duplicates this error, and product becomes situation among Fig. 6.
Be all mill methods among Fig. 7: the height of grinding wheel spindle is fixed, and with the periphery grinding of emery wheel, the artificial magnetic core that promotes back and forth to be clamped on the workbench is finished feeding.Its defective is: 1, machined surface is done locating surface and is opened air gap and can guarantee the air gap accuracy of measurement, but has also destroyed this machined surface in promoting back and forth; 2, for preventing that locating surface contacts with wheel face on every side, cause face to be processed to be difficult to process fully, the arc of emery wheel also can be replicated on the product, and shape of product is referring to Fig. 8.
It is the file of 01239565.X that China Patent No. is arranged, a kind of precision machined EP air gap of magnetic material air gap grinding machine that is applicable to is disclosed, comprise conveying mechanism, workbench, bistrique, it is characterized in that: on this workbench, be provided with fixed head, the breach consistent with the shape of the part of being processed arranged on this fixed head, this breach be in this bistrique under; This conveying mechanism comprises lateral cylinder and directly to cylinder, the cylinder and send the discharge cylinder of stepping down; All be provided with on the described cylinder and can move back and forth, and can push against the push rod of the part of being processed with piston; It is said that this air gap grinding machine has accurately very little surely, machining accuracy, the characteristics that production efficiency is high.But as seen, the method for grinding of this grinding machine belongs to end mill method, therefore cannot solve the above problems certainly from its file.
Summary of the invention
Above-mentioned shortcoming at prior art, the purpose of this utility model is that a kind of air gap grinding attachment will be provided, this grinding attachment has following advantage: can carry out comprehensive covering, the grinding of uniformity ground to the work surface that need are driven the air gap magnetic core, can not damage its locating piece and locating surface thereof on every side again, and all significantly improve through fineness, flatness, the uniformity on grinding surface.
For this reason, technical solution of the present utility model is a kind of air gap grinding attachment, it comprises horizontal bistrique, and described air gap grinding attachment also comprises the lifting parts of bistrique, magnetic core is made the anchor clamps of positioning clamping, this anchor clamps upper end comprises that having locating piece, its lower end of processing opening comprises workbench, described air gap grinding attachment also comprises frame, and bearing, rotary driving machine are installed on frame, and rotary driving machine comprises engine, driving wheel, driven pulley; Be connected with rotating shaft on the vertical direction of described anchor clamps, this rotating shaft is bearing on the described frame by described bearing, and described driven pulley is assemblied in this rotating shaft.
Grinding attachment of the present utility model, adopt horizontal bistrique, thereby the magnetic core that can guarantee to be clamped on the anchor clamps is ground the grinding that the surface obtains the consistent uniform emery wheel periphery of linear velocity, simultaneously, in order to overcome the locating surface that promotes magnetic core back and forth in traditional all mill methods and processed around destroying, or because of preventing that the locating surface of having processed around the emery wheel periphery destruction from causing to be processed difficulty of part to obtain the awkward shortcoming of processing, grinding attachment of the present utility model, on the vertical direction of magnetic core anchor clamps, be connected with rotating shaft, thereby make processed magnetic core and face to be processed thereof to horizontally rotate around the horizontal bistrique of making the high speed rotary grinding, so, horizontal bistrique periphery just can be carried out equal altitudes to air gap surface to be ground, comprehensive angle at the uniform velocity grinding of ground, neither can damage work surface locating piece and locating surface thereof on every side, can open air gap surface to need again and carry out comprehensive mulched ground, the grinding of uniformity, and the surface that grinding obtains is in fineness, flatness, the uniformity aspect all is largely increased.
The utility model also comprises following concrete improvement:
For further improving automaticity, further increasing the clamping dynamics of anchor clamps to magnetic core to be processed, thereby obtain better working (machining) efficiency and effect, described rotating shaft is hollow tubular, and described locating piece is connected with described rotating shaft, and described Working table floating is installed in the hollow cylinder of rotating shaft; Described anchor clamps also comprise the apical axis in the hollow cylinder that is slidingly fitted in described rotating shaft, and this apical axis comprises top, the bulge loop on the apical axis, the end of the described workbench of pushing tow, the ring spring of this bulge loop of pushing tow.Described bulge loop be positioned at described apical axis end near; Fixing described ring spring on the tail end of rotating shaft.
For further increasing the magnetic core locating accuracy, and be convenient to process the magnetic core of multiple size, described locating piece is accurately machined locating surface towards the one side of workbench, the head end of described rotating shaft is connecting described locating piece by gasket ring, removably is equipped with notched location pattern on described workbench.
For increasing convenience, efficient, the man-machine matching property of operation, also connected pull bar longitudinally on the end of described apical axis.Described pull bar is hinged on the arm of force of leverage.The described arm of force one end is connected with pedal.Such structure, make things convenient for the workman on top flexibly, firmly, clamping magnetic core exactly, concentrate one's energy to monitor grinding action, simultaneously, the magnetic core that also makes things convenient for the workman to tramp with one's feet from the bottom and cooperate to come flexible clamping magnetic core to be processed or release to process is convenient to continued operation.
Described lifting parts comprise that piston machine, an end are hinged on the cantilever on the frame, and the other end of this cantilever is equiped with described bistrique, and this cantilever one side is fixed with key seat and wherein is combined with bearing pin; This piston machine one end is hinged on the described frame and its other end piston rod is connected on the described bearing pin.It is simple, practical, efficient that said structure improves.
For further improving processing and manufacturing flexibility, operating automation degree, described workbench main body is circular block or symmetrical polygon block; Described engine, all be connected automatic control circuit with the start-up circuit of the lifting parts of described bistrique.
Be the processing of adaptation plurality of specifications model magnetic core, the variation of flexible adaptation air gap processing capacity, the lifting parts of described bistrique also comprise air gap amount adjuster, this air gap amount adjuster is fixed between described frame and the described bistrique.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1,2,3 is respectively the perspective view of magnetic core embodiment 1,2,3.
Fig. 4 is the design profile schematic diagram of magnetic core embodiment 1,2.
Fig. 5 is the processing schematic diagram of tradition end mill apparatus grinding magnetic core.
Fig. 6 is for making the generalized section of magnetic core after Fig. 5 processing.
Fig. 7 is the processing schematic diagram of traditional all mill apparatus grinding magnetic cores.
Fig. 8 is for making the generalized section of magnetic core after Fig. 7 processing.
Fig. 9 is the schematic diagram of this practical new anchor clamps embodiment to magnetic core embodiment 1 location.
Figure 10 is the schematic diagram of the utility model anchor clamps embodiment to magnetic core embodiment 3 location.
Figure 11 is the structural representation of the utility model grinding attachment embodiment.
Figure 12 be bistrique among Figure 11, anchor clamps, with the local enlarged diagram of magnetic core part.
Figure 13 is the processing schematic diagram of the utility model grinding attachment grinding magnetic core.
As Fig. 1,2,3,4, be depicted as the structural representation of magnetic core embodiment 1,2,3.These EP magnetic cores and similar magnetic core E comprise machined surface E1, surperficial E2 to be ground, and the gap d between E1 and E2 is air gap.
As Fig. 5, be depicted as the processing schematic diagram of tradition end mill apparatus grinding magnetic core: magnetic core E maintains static, emery wheel 10 end faces are rotary grinding surperficial E2 to be ground and carry out axial feed as shown by arrows, after finishing grinding, formation is high outside and low outside owing to wear and tear gradually in emery wheel 10 central areas, the product machined surface duplicates this error, forms air gap surface E2 arch projection situation among Fig. 6.
As Fig. 7, be depicted as the processing schematic diagram of traditional all mill apparatus grinding magnetic cores: the height that emery wheel is 10 is fixed, and only does horizontal rotary grinding motion (as curved arrow), manually promotes magnetic core E back and forth and finishes feeding (as horizontal arrow).For preventing that locating surface E1 contacts with 10 on emery wheel on every side, cause to be processed E2 to be difficult to process fully, the arc of emery wheel 10 also can be replicated on the product, and product air gap surface E2 concave shape is referring to Fig. 8 and wherein recessed camber line.
The specific embodiment
Grinding attachment embodiment:
As Figure 11,12, be depicted as the structural representation of the utility model grinding attachment embodiment.It comprises the lifting parts 20 of horizontal bistrique 10, bistrique, magnetic core is made the anchor clamps 30 of positioning clamping, these anchor clamps 30 upper ends comprise that locating piece 31, its lower end of having processing opening 31A comprise the workbench 32 of circular block or symmetrical polygon block, and described air gap grinding attachment also comprises frame 40, bearing 50, rotary driving machine 60 are installed on frame 40, and rotary driving machine 60 comprises engine 61, driving wheel 62, driven pulley 63, belt 64; Be connected with rotating shaft 70 on the vertical direction of described anchor clamps 30, this rotating shaft 70 is bearing on the described frame 40 by described bearing 50, and described driven pulley 63 is assemblied in this rotating shaft 70.Described engine 61, all be connected the automatic control circuit (not shown) with the start-up circuit of the lifting parts 20 of described bistrique.
Described rotating shaft 70 is hollow tubular, and described locating piece 31 is installed in by gasket ring 71 on the head end of described rotating shaft 70, and described workbench 32 floats and is installed in the hollow cylinder of rotating shaft 70; Described anchor clamps 30 also comprise the apical axis 33 in the hollow cylinder that is slidingly fitted in described rotating shaft 70, and this apical axis 33 comprises top, the bulge loop 33A on the apical axis 33, the terminal 33B of the described workbench 32 of pushing tow, the ring spring 34 of this bulge loop of pushing tow 33A.Described bulge loop 33A be positioned at the terminal 33B of described apical axis near; Fixing described ring spring 34 on the tail end of rotating shaft 70.Also connected pull bar 35 longitudinally on the terminal 33B of described apical axis.Described pull bar 35 is hinged on the arm of force 36 of leverage.The described arm of force 36 1 ends are connected with pedal 37.
Described lifting parts 20 comprise that piston machine 21, an end are hinged on the cantilever 22 on the frame 40, and the other end of this cantilever 22 is equiped with described bistrique 10, and these cantilever 22 1 sides are fixed with key seat 23 and wherein are combined with bearing pin 25; These piston machine 21 1 ends are hinged on the described frame 40 and its other end piston rod 21A is connected on the described bearing pin 25.The lifting parts 20 of described bistrique also comprise air gap amount adjuster 24, and this air gap amount adjuster 24 is fixed between described frame 40 and the described bistrique 10.
As Fig. 9,10, be depicted as the schematic diagram that positioning fixture embodiment positions magnetic core embodiment 1,3 among Figure 11,12.The locating piece 31 that has processing opening 31A is installed on the head end of described rotating shaft 70 by gasket ring 71, its one side towards workbench 32 is accurately machined locating surface, locating piece 31 and workbench 32 clamp magnetic core E from last/following two sides, removably be equipped with notched location pattern 38 on described workbench 32, it limits magnetic core E horizontal level.To be processed the E2 of magnetic core E horizontally rotates under the clamping of above-mentioned anchor clamps and obtains omnibearing grinding.
Grinding embodiment:
Referring to Fig. 9,10,11,12, step on pedal 37, apical axis 33 is descending, put into location pattern 38 on the workbench 32 to magnetic core E this moment, loosen pedal 37, under the effect of ring spring 34, apical axis 33 is up with workbench 32, product orientation pattern 38, force the locating surface E1 of magnetic core E to contact and hold out against, guaranteed that the air gap amount is not influenced by the size fluctuation that preceding working procedure produces etc. with locating piece 31.After magnetic core E is clamped, driven pulley 63 is under the drive of engine 61 and driving belt 64, drive workbench 32 and magnetic core E and horizontally rotate together, the bistrique 10 that has started slowly descends under the effect of piston machine 21 and realizes feeding, feed-disabling when dropping to cantilever 22 and contacting with air gap amount adjuster 24.
As shown in figure 13, grinding attachment of the present utility model, make processed magnetic core E below the horizontal bistrique 10 of doing rotation (shown in the arrow of top) grinding at a high speed, to horizontally rotate (shown in the arrow of bottom), make air gap surface E2 to be ground in horizontally rotating, obtain horizontal bistrique 10 omnibearing Even Grinding, thereby processing obtain the magnetic core E that air gap E2 surface smoothness, flatness, uniformity all significantly improve.
After arriving the process time of setting, bistrique 10 rises under the effect of piston machine 21, and workbench 32 stops to horizontally rotate, and steps on pedal 37, takes out the product that processes, and can carry out next one circulation, process next product.
Claims (10)
1, a kind of air gap grinding attachment, it comprises horizontal bistrique, it is characterized in that: described air gap grinding attachment also comprises the lifting parts of bistrique, magnetic core is made the anchor clamps of positioning clamping, this anchor clamps upper end comprises that having locating piece, its lower end of processing opening comprises workbench, described air gap grinding attachment also comprises frame, bearing, rotary driving machine are installed on frame, and rotary driving machine comprises engine, driving wheel, driven pulley; Be connected with rotating shaft on the vertical direction of described anchor clamps, this rotating shaft is bearing on the described frame by described bearing, and described driven pulley is assemblied in this rotating shaft.
2, air gap grinding attachment as claimed in claim 1 is characterized in that: described rotating shaft is hollow tubular, and described locating piece is connected with described rotating shaft, and described Working table floating is installed in the hollow cylinder of rotating shaft; Described anchor clamps also comprise the apical axis in the hollow cylinder that is slidingly fitted in described rotating shaft, and this apical axis comprises top, the bulge loop on the apical axis, the end of the described workbench of pushing tow, the ring spring of this bulge loop of pushing tow.
3, air gap grinding attachment as claimed in claim 1 or 2, it is characterized in that: described locating piece is accurately machined locating surface towards the one side of workbench, the head end of described rotating shaft is connecting described locating piece by gasket ring, removably is equipped with notched location pattern on described workbench.
4, air gap grinding attachment as claimed in claim 2 is characterized in that: described bulge loop be positioned at described apical axis end near; Fixing described ring spring on the tail end of rotating shaft.
5, air gap grinding attachment as claimed in claim 2 is characterized in that: also connected pull bar longitudinally on the end of described apical axis.
6, air gap grinding attachment as claimed in claim 5, it is characterized in that: described pull bar is hinged on the arm of force of leverage.
7, air gap grinding attachment as claimed in claim 6 is characterized in that: the described arm of force one end is connected with pedal.
8, air gap grinding attachment as claimed in claim 1 or 2, it is characterized in that: described lifting parts comprise that piston machine, an end are hinged on the cantilever on the frame, the other end of this cantilever is equiped with described bistrique, and this cantilever one side is fixed with key seat and wherein is combined with bearing pin; This piston machine one end is hinged on the described frame and its other end piston rod is connected on the described bearing pin.
9, air gap grinding attachment as claimed in claim 1 or 2 is characterized in that: described workbench main body is circular block or symmetrical polygon block; Described engine, all be connected automatic control circuit with the start-up circuit of the lifting parts of described bistrique.
10, air gap grinding attachment as claimed in claim 1 or 2 is characterized in that: the lifting parts of described bistrique also comprise air gap amount adjuster, and this air gap amount adjuster is fixed between described frame and the described bistrique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200955489U CN201227765Y (en) | 2008-07-15 | 2008-07-15 | Air gap grinding attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200955489U CN201227765Y (en) | 2008-07-15 | 2008-07-15 | Air gap grinding attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201227765Y true CN201227765Y (en) | 2009-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200955489U Expired - Fee Related CN201227765Y (en) | 2008-07-15 | 2008-07-15 | Air gap grinding attachment |
Country Status (1)
| Country | Link |
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| CN (1) | CN201227765Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143998A (en) * | 2013-03-20 | 2013-06-12 | 常熟市信立磁业有限公司 | Can-shaped ferrite core grinding device |
| CN104227550A (en) * | 2014-09-01 | 2014-12-24 | 常熟市研明电子元器件厂 | EP type ferrite core center pillar grinder |
| CN104907904A (en) * | 2015-06-16 | 2015-09-16 | 中山市玛而特电子科技有限公司 | Full-automatic magnetic core machine tool |
| CN106747304A (en) * | 2016-12-02 | 2017-05-31 | 绥阳县华夏陶瓷有限责任公司 | A kind of manufacture craft of environment protection tile |
| CN112171439A (en) * | 2020-09-10 | 2021-01-05 | 深圳市嘉胜创新贸易有限公司 | Polishing equipment with cleaning function |
-
2008
- 2008-07-15 CN CNU2008200955489U patent/CN201227765Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143998A (en) * | 2013-03-20 | 2013-06-12 | 常熟市信立磁业有限公司 | Can-shaped ferrite core grinding device |
| CN104227550A (en) * | 2014-09-01 | 2014-12-24 | 常熟市研明电子元器件厂 | EP type ferrite core center pillar grinder |
| CN104907904A (en) * | 2015-06-16 | 2015-09-16 | 中山市玛而特电子科技有限公司 | Full-automatic magnetic core machine tool |
| CN106747304A (en) * | 2016-12-02 | 2017-05-31 | 绥阳县华夏陶瓷有限责任公司 | A kind of manufacture craft of environment protection tile |
| CN112171439A (en) * | 2020-09-10 | 2021-01-05 | 深圳市嘉胜创新贸易有限公司 | Polishing equipment with cleaning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20140715 |
|
| EXPY | Termination of patent right or utility model |