CN108818262A - More air gap bistrique passing through type grinder - Google Patents
More air gap bistrique passing through type grinder Download PDFInfo
- Publication number
- CN108818262A CN108818262A CN201810944036.3A CN201810944036A CN108818262A CN 108818262 A CN108818262 A CN 108818262A CN 201810944036 A CN201810944036 A CN 201810944036A CN 108818262 A CN108818262 A CN 108818262A
- Authority
- CN
- China
- Prior art keywords
- bistrique
- platform
- passing
- air gap
- type grinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
-
- 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
- B24B41/02—Frames; Beds; Carriages
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
-
- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
This application discloses a kind of more air gap bistrique passing through type grinder, including passing through type grinder and the adjustable grinding head device for being set to described passing through type grinder the same side of at least two groups, it is described that horizontally disposed lathe bed and conveyer belt and the main shaft grinding wheel being vertically arranged on the conveyer belt are included at least by formula bistrique, the grinding head device includes height adjustment device, it is set to the longitudinal adjustment apparatus of the height adjustment device and is set to the bistrique of the longitudinal adjustment apparatus, the height adjustment device is fixed by the bracket in the lathe bed, the height adjustment device includes first platform freely up and down adjusted, the longitudinal adjustment apparatus is set to first platform by the way that bottom plate is adjustable, the longitudinal adjustment apparatus includes longitudinal freely regulated second platform, the bistrique is set to second platform.More air gap bistrique passing through type grinder structures of the present invention are simple, and the processing of magnetic core different air gap can be disposably completed using identical grinding wheel.
Description
Technical field
The application belongs to new energy charging technique field, more particularly to a kind of more air gap bistrique passing through type grinder.
Background technique
At present when processing E-type magnetic core, the middle foot of E-type magnetic core will be ground off a little than side foot depth, and side foot polishes our customs
Claim flat surface grinding, the mill of middle foot is deep, and we are commonly called as out air gap.Need to use in the prior art a kind of passing through type grinder to E-type magnetic core into
Row is processed, and the main shaft grinding wheel in grinding machine is flat surface grinding, is used to open air gap there are one air gap grinding wheel.With passing through type grinder to E
Type magnetic core process when, some air gap depth are very deep, once grind off and have an impact to the aspect of performance of E-type magnetic core, so need by
Grind back and forth it is secondary can milled, time-consuming and laborious in this way, passing through type grinder can not be utilized adequately.
Summary of the invention
The purpose of the present invention is to provide a kind of more air gap bistrique passing through type grinder, to overcome deficiency in the prior art.
To achieve the above object, the present invention provides the following technical solutions：
The embodiment of the present application discloses a kind of more air gap bistrique passing through type grinder, including passing through type grinder and at least two groups
The adjustable grinding head device for being set to described passing through type grinder the same side, it is described that horizontally disposed bed is included at least by formula bistrique
Body and conveyer belt and the main shaft grinding wheel being vertically arranged on the conveyer belt, the grinding head device include height adjustment dress
It sets, be set to the longitudinal adjustment apparatus of the height adjustment device and be set to the bistrique of the longitudinal adjustment apparatus, it is described
Height adjustment device is fixed by the bracket in the lathe bed, the height adjustment device include one freely up and down adjust it is first flat
Platform, the longitudinal adjustment apparatus are set to first platform by the way that bottom plate is adjustable, and the longitudinal adjustment apparatus includes one
Longitudinal freely regulated second platform, the bistrique are set to second platform.
Preferably, in above-mentioned more air gap bistrique passing through type grinder, the bracket is L-type structure, including is vertically arranged
Transverse slat and riser, the first stiffening plate is equipped between the transverse slat and riser, the transverse slat is fixed on lathe bed, first platform
One end that the riser deviates from first stiffening plate is slideably positioned in by the first mounting plate.
Preferably, in above-mentioned more air gap bistrique passing through type grinder, the top center of the riser is equipped with first motor,
The output end of the first motor is connected with the first lead screw, and the screw of first lead screw is fixedly connected on first installation
Plate is additionally provided with the first guide rail between first mounting plate and riser.
Preferably, in above-mentioned more air gap bistrique passing through type grinder, first platform is vertically installed in described first
The end face of mounting plate is equipped with the second stiffening plate between the lower section of first platform and first mounting plate.
Preferably, in above-mentioned more air gap bistrique passing through type grinder, the bottom plate is close to the height adjustment device
One end center is equipped with the second motor, and the output end of second motor is connected with the second lead screw, and the screw of second lead screw is solid
Due to being connected to second platform, the second guide rail is equipped between second platform and the bottom plate.
Preferably, in above-mentioned more air gap bistrique passing through type grinder, the bistrique includes the third motor of transmission connection
And grinding wheel, the third motor are fixed on second platform by mounting rack, the grinding wheel is being set to the conveyer belt just
Top.
Compared with the prior art, the advantages of the present invention are as follows：More air gap bistrique passing through type grinder structures of the present invention
Simply, the processing that magnetic core different air gap can be disposably completed using identical grinding wheel, by the way that the adjustable bistrique of multiple groups is arranged
Device can improve working efficiency with the air gap of different depth in the magnetic core or magnetic core of simultaneous processing different model.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 show the structural schematic diagram of more air gap bistrique passing through type grinder in the specific embodiment of the invention.
Fig. 2 show the structural schematic diagram of height adjustment device in the specific embodiment of the invention.
Fig. 3 show the structural schematic diagram of longitudinal adjustment apparatus in the specific embodiment of the invention.
Fig. 4 show same air gap machining sketch chart in the specific embodiment of the invention.
Fig. 5 show different air gap machining sketch chart in the specific embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out detailed retouch
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, those of ordinary skill in the art's every other implementation obtained without making creative work
Example, shall fall within the protection scope of the present invention.
Join shown in Fig. 1 to Fig. 5, a kind of more air gap bistrique passing through type grinder, including passing through type grinder and two groups are adjustable
It is set to the grinding head device 100 of passing through type grinder the same side, horizontally disposed lathe bed 1 and conveyer belt are included at least by formula bistrique
2 and the main shaft grinding wheel 3 that is vertically arranged on conveyer belt, grinding head device 100 include height adjustment device 110, be set to height
It spends the longitudinal adjustment apparatus 120 of regulating device 110 and is set to the bistrique 130 of longitudinal adjustment apparatus 120, height adjustment device
110 are fixed on lathe bed by bracket 111, and height adjustment device 110 includes first platform 112 freely up and down adjusted, longitudinal
Regulating device 120 is set to the first platform 112 by the way that bottom plate 121 is adjustable, and longitudinal adjustment apparatus 120 includes one longitudinal free
The second platform 122 adjusted, bistrique 130 are set to the second platform 122.
In the technical solution, the lathe bed of passing through type grinder, the specific structure of conveyer belt and main shaft grinding wheel and setting belong to
The prior art does not just repeat one by one herein, and grinding head device can be controlled directly using the control device of passing through type grinder, realizes one
Bodyization linkage, control device can use the composition such as existing PLC, and specific setting also belongs to the prior art, and grinding head device passes through height
Degree regulating device and longitudinal adjustment apparatus can carry out bistrique being highly adjusted with lengthwise position, when same air gap needs to lead to
When crossing two knives and being ground, Fig. 4 is seen, two bistrique lengthwise positions are adjusted into same straight line, while by two bistrique vertical directions
Adjust different height and positions respectively, behind bistrique height be lower than front bistrique height, magnetic core into cross main shaft grinding wheel just plus
After work, the bistrique successively to successively decrease by height completes air gap processing；When same magnetic core needs to process different air gap, Fig. 5 is seen,
Two bistrique lengthwise positions are respectively corresponded into magnetic core Working position, while by the vertical height adjustment of two bistriques to corresponding bite, magnetic
Core successively passes through different bistriques, completes the processing of different air gap into after crossing the preliminary working of main shaft grinding wheel；Magnetic core can also be set side by side
It sets, is processed respectively by the bistrique of sustained height, be completed at the same time multiple rows of magnetic core processing, improve working efficiency.
Further, bracket 111 is L-type structure, including vertically disposed transverse slat and riser, is equipped between transverse slat and riser
First stiffening plate 113, transverse slat are fixed on lathe bed, and the first platform 112 is slideably positioned in riser away from the by the first mounting plate 114
One end of one stiffening plate 113.
In the technical solution, it is equipped with the first stiffening plate between transverse slat and riser, guarantees that the integral strength of bracket, bracket can lead to
It crosses the various ways such as screw and is fixed on lathe bed.
Further, the top center of riser is equipped with first motor 115, and the output end of first motor 115 is connected with first
Lead screw 116, the screw (not shown) of the first lead screw 116 are fixedly connected on the first mounting plate 114, the first mounting plate 114 and riser
Between be additionally provided with the first guide rail 117.
In the technical solution, first motor rotation is to drive the first mounting plate to move up and down, and the first platform is with the first peace
Loading board moves together, to adjust the height and position of bistrique, the first guide rail is additionally provided between the first mounting plate and riser, first leads
The quantity of rail is two, is arranged in parallel in the two sides of the first lead screw respectively, guarantees the stationarity that bistrique moves up and down.
Further, the first platform 112 is vertically installed in the end face of the first mounting plate 114, the lower section of the first platform 112 with
The second stiffening plate 118 is equipped between first mounting plate 114.
In the technical solution, it is equipped with the second stiffening plate between the lower section of the first platform and the first mounting plate, guarantees that first is flat
The fixed fixing of platform.
Further, bottom plate 121 is equipped with the second motor 123, the second motor close to one end center of height adjustment device 110
123 output end is connected with the second lead screw 124, and the screw (not shown) of the second lead screw 124, which is fixed on, is connected to the second platform
122, the second guide rail 125 is equipped between the second platform 122 and bottom plate 121.
In the technical solution, the rotation of the second motor is to drive the longitudinal movement of the second platform, and bistrique is with the second platform
It is mobile, to adjust the lengthwise position of bistrique, the second guide rail is equipped between the second platform and bottom plate, the quantity of the second guide rail is two
Root is arranged in parallel in the two sides of the second lead screw respectively, guarantees the stationarity of bistrique longitudinal movement.
Further, bistrique 130 includes the third motor 131 and grinding wheel 132 of transmission connection, and third motor 131 passes through peace
It shelves 133 and is fixed on the second platform 122, grinding wheel 132 is set to the surface of conveyer belt.
In the technical solution, the rotation of third motor drives grinding wheel rotation, realizes the grinding to magnetic core on conveyer belt.
In conclusion invention it is described more air gap bistrique passing through type grinder structures it is simple, can one using identical grinding wheel
Secondary property completes the processing of magnetic core different air gap, can be with simultaneous processing different model by the way that the adjustable grinding head device of multiple groups is arranged
Magnetic core or magnetic core in different depth air gap, improve working efficiency.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (6)
1. a kind of more air gap bistrique passing through type grinder, which is characterized in that be adjusted and set including passing through type grinder and at least two groups
It is placed in the grinding head device of described passing through type grinder the same side, it is described that horizontally disposed lathe bed and transmission are included at least by formula bistrique
Band and the main shaft grinding wheel being vertically arranged on the conveyer belt, the grinding head device include height adjustment device, are set to
The longitudinal adjustment apparatus of the height adjustment device and the bistrique for being set to the longitudinal adjustment apparatus, the height adjustment dress
It sets and is fixed by the bracket in the lathe bed, the height adjustment device includes first platform freely up and down adjusted, described vertical
It is set to first platform by the way that bottom plate is adjustable to regulating device, the longitudinal adjustment apparatus includes that a longitudinal direction is freely adjusted
Second platform of section, the bistrique are set to second platform.
2. more air gap bistrique passing through type grinder according to claim 1, it is characterised in that：The bracket is L-type structure, packet
Vertically disposed transverse slat and riser are included, the first stiffening plate is equipped between the transverse slat and riser, the transverse slat is fixed on lathe bed, institute
It states the first platform and one end that the riser deviates from first stiffening plate is slideably positioned in by the first mounting plate.
3. more air gap bistrique passing through type grinder according to claim 2, it is characterised in that：The top center of the riser is set
There is first motor, the output end of the first motor is connected with the first lead screw, and the screw of first lead screw is fixedly connected on institute
The first mounting plate is stated, is additionally provided with the first guide rail between first mounting plate and riser.
4. more air gap bistrique passing through type grinder according to claim 2, it is characterised in that：First platform is vertically arranged
The second stiffening plate is equipped between the end face of first mounting plate, the lower section of first platform and first mounting plate.
5. more air gap bistrique passing through type grinder according to claim 1, it is characterised in that：The bottom plate is close to the height
One end center of regulating device is equipped with the second motor, and the output end of second motor is connected with the second lead screw, and described second
The screw of thick stick, which is fixed on, is connected to second platform, and the second guide rail is equipped between second platform and the bottom plate.
6. more air gap bistrique passing through type grinder according to claim 1, it is characterised in that：The bistrique includes transmission connection
Third motor and grinding wheel, the third motor is fixed on second platform by mounting rack, and the grinding wheel is set to described
The surface of conveyer belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810944036.3A CN108818262A (en) | 2018-08-18 | 2018-08-18 | More air gap bistrique passing through type grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810944036.3A CN108818262A (en) | 2018-08-18 | 2018-08-18 | More air gap bistrique passing through type grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108818262A true CN108818262A (en) | 2018-11-16 |
Family
ID=64150288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810944036.3A Withdrawn CN108818262A (en) | 2018-08-18 | 2018-08-18 | More air gap bistrique passing through type grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108818262A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421459A (en) * | 2019-07-24 | 2019-11-08 | 宁波奥涵机械科技有限公司 | A kind of polishing wire-drawing frame |
| CN111136548A (en) * | 2019-12-30 | 2020-05-12 | 天长市华磁磁电有限公司 | Ferrite soft magnetic core production line of polishing |
| CN112388395A (en) * | 2020-10-15 | 2021-02-23 | 南京新康达磁业股份有限公司 | Processing device and processing method for air gap of pot-shaped magnetic core |
| CN113843691A (en) * | 2021-11-15 | 2021-12-28 | 周梅 | Machine case mould processing grinding machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200300220Y1 (en) * | 2002-10-18 | 2003-01-10 | 광진정밀 주식회사 | Precision centripetal grinder |
| CN101704205A (en) * | 2009-09-28 | 2010-05-12 | 海宁三弘电子科技有限公司 | Dual air gap grinding head through grinding machine for grinding magnetic core |
| CN202640089U (en) * | 2012-06-05 | 2013-01-02 | 宜宾盈泰光电有限公司 | High-precision numerical control magnetic material center post air gap machine |
| CN204711800U (en) * | 2015-03-25 | 2015-10-21 | 湘潭三峰数控机床有限公司 | A kind of clamping device for grinding machine and a kind of multifunctional grinder |
| CN205111492U (en) * | 2015-11-26 | 2016-03-30 | 新昌县天顺机械有限公司 | Copper sleeve end buffing machine |
| CN208557054U (en) * | 2018-08-18 | 2019-03-01 | 江苏佰迪凯磁性材料有限公司 | More air gap bistrique passing through type grinder |
-
2018
- 2018-08-18 CN CN201810944036.3A patent/CN108818262A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200300220Y1 (en) * | 2002-10-18 | 2003-01-10 | 광진정밀 주식회사 | Precision centripetal grinder |
| CN101704205A (en) * | 2009-09-28 | 2010-05-12 | 海宁三弘电子科技有限公司 | Dual air gap grinding head through grinding machine for grinding magnetic core |
| CN202640089U (en) * | 2012-06-05 | 2013-01-02 | 宜宾盈泰光电有限公司 | High-precision numerical control magnetic material center post air gap machine |
| CN204711800U (en) * | 2015-03-25 | 2015-10-21 | 湘潭三峰数控机床有限公司 | A kind of clamping device for grinding machine and a kind of multifunctional grinder |
| CN205111492U (en) * | 2015-11-26 | 2016-03-30 | 新昌县天顺机械有限公司 | Copper sleeve end buffing machine |
| CN208557054U (en) * | 2018-08-18 | 2019-03-01 | 江苏佰迪凯磁性材料有限公司 | More air gap bistrique passing through type grinder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421459A (en) * | 2019-07-24 | 2019-11-08 | 宁波奥涵机械科技有限公司 | A kind of polishing wire-drawing frame |
| CN111136548A (en) * | 2019-12-30 | 2020-05-12 | 天长市华磁磁电有限公司 | Ferrite soft magnetic core production line of polishing |
| CN112388395A (en) * | 2020-10-15 | 2021-02-23 | 南京新康达磁业股份有限公司 | Processing device and processing method for air gap of pot-shaped magnetic core |
| CN113843691A (en) * | 2021-11-15 | 2021-12-28 | 周梅 | Machine case mould processing grinding machine |
| CN113843691B (en) * | 2021-11-15 | 2023-12-29 | 杭州丰衡机电有限公司 | Machine case mould processing grinding machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181116 |