CN104290022B - Grinding device - Google Patents
Grinding device Download PDFInfo
- Publication number
- CN104290022B CN104290022B CN201410275164.5A CN201410275164A CN104290022B CN 104290022 B CN104290022 B CN 104290022B CN 201410275164 A CN201410275164 A CN 201410275164A CN 104290022 B CN104290022 B CN 104290022B
- Authority
- CN
- China
- Prior art keywords
- grinding head
- grinding
- milling bar
- rotation stop
- head
- 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.)
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- 238000000227 grinding Methods 0.000 title claims abstract description 197
- 239000012530 fluid Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000003801 milling Methods 0.000 claims description 99
- 239000002173 cutting fluid Substances 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 229910052582 BN Inorganic materials 0.000 claims description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000006061 abrasive grain Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008278 dynamic mechanism Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010008 shearing Methods 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a grinding device which comprises a grinding rod extending in the vertical direction and a grinding head assembled at the lower end of the grinding rod. The grinding rod and the grinding head are provided with fluid channels which are correspondingly communicated so that hydraulic cutting liquid can flow to a grinding part of the grinding head from the grinding rod, the grinding head and the grinding rod are sleeved in a sliding sealing mode in the vertical direction and are in rotation stopping fit in the circumferential direction of the grinding rod, a travel limiting structure for conducting bidirectional travel limiting on the grinding head in the vertical direction is arranged between the grinding head and the grinding rod, the grinding head and the grinding rod define an adjusting hydraulic cavity communicated with the fluid channel, and the lower cavity wall of the adjusting hydraulic cavity is arranged on the grinding head. The position of the grinding head is adjusted through the reverse acting force and the hydraulic action applied by the hydraulic cutting liquid in the working process, the damage to the ground face in the grinding process is avoided, and the grinding precision is also ensured.
Description
Technical field
The present invention relates to a kind of lapping device.
Background technology
In high-tension switch gear field, hydraulic valve is the core parts of hydraulic mechanism, the ladder in the valve body of hydraulic valve
Pore structure is intricate, and stair-step is more, and roughness requirements are high, and difficulty of processing is big, and the machining accuracy of hydraulic valve is hydraulic pressure behaviour
The important factor in order of dynamic mechanism performance.Therefore, many for stair-step, roughness requirements are high, the shoulder hole that difficulty of processing is big
For, finished using grinding technics more.Grinding technics refers to the phase by lapping device with workpiece under a certain pressure
To moving to be ground processing to finished surface, lapping device generally includes to fasten milling bar and the grinding being assembled together
Head, coating on grinding head or being press-fitted has abrasive grain.
A kind of deep-hole grinding device is disclosed in Authorization Notice No. is for the Chinese utility model patent of CN201659466U,
It include by thread connection fasten assembling milling bar and grinding head, when using, by drive mechanism drive milling bar with
Grinding head is rotated, and then completes the attrition process to deep hole internal step tread.It is provided with milling bar and cuts liquid flow direction for hydraulic cutting
The fluid passage of grinding head, is provided with connection corresponding with the fluid passage on milling bar for hydraulic pressure cutting fluid flow direction on grinding head
The fluid passage of the grind section of grinding head, during attrition process, is passed through hydraulic pressure cutting fluid by cooling and lubricating chip removal system
The fluid passage that connection is respectively equipped with and corresponded on milling bar and grinding head is transported to the grind section of grinding head, and hydraulic pressure cutting fluid will
The iron filings that grinding is produced are washed away, while also acting as cooling and the effect for lubricating.
Add man-hour being ground to the cascaded surface of valve body inner bore using above-mentioned deep-hole grinding device, need precise control to grind
Mill apparatus enter the depth of endoporus so that the machined surface of grinding head is just corresponding with cascaded surface to be processed.If into too deep
If, can damage cascaded surface to be processed and grinding head because grinding pressure is excessive, and if into if excessively shallow, understand again because
The operating efficiency of lapping device is affected for grinding pressure is not enough.And because milling bar and grinding head are assembled by thread connection,
So that after milling bar and grinding head enter deep hole and start-up operation, it is difficult to carry out further fine setting to adjust grinding pressure
Power, this operation level requirement to mill-hand is higher.
The content of the invention
The present invention provides a kind of lapping device, to solve milling bar and the grinding that fastening of the prior art is assembled together
The technical problem that head can not be finely adjusted after into deep hole.
The technical scheme of lapping device provided by the present invention is:A kind of lapping device, including it is vertically extending
Milling bar and be assemblied in the grinding head of milling bar lower end, milling bar and grinding head be provided with correspondence connect for hydraulic pressure cutting fluid by
Milling bar flows to the fluid passage of the grind section of grinding head, and described grinding head is slidingly sealed set with milling bar in above-below direction
Dress, the rotation stop cooperation in milling bar circumference, are provided with for entering to grinding head in the vertical direction between grinding head and milling bar
The spacing stroke limit structure of row two-way travel, the grinding head and milling bar surround the regulation liquid connected with the fluid passage
Pressure chamber, the lower cavity wall of the regulation hydraulic cavities is arranged on the grinding head.
The grind section of described grinding head is arranged on the lower surface of grinding head.
The grind section of described grinding head is the cubic boron nitride coating being arranged on the lower surface of grinding head.
Described grinding head is in vertically extending tubbiness, and the grinding head of tubbiness includes vertically extending bucket
Wall and the bucket bottom positioned at lower end, the bucket wall of grinding head is sleeved on outside the milling bar, and the bucket wall and milling bar slip of grinding head is close
Envelope coordinates, and the bucket bottom of the grinding head, bucket wall and milling bar surround described regulation hydraulic cavities, the cavity of resorption of the regulation hydraulic cavities
Wall is arranged on the bucket bottom inner side of the grinding head, and the fluid issuing of the fluid passage on the milling bar is arranged at the milling bar
Lower surface on.
The outlet of the fluid passage on described milling bar is the flaring structure that from top to bottom size becomes larger.
Described grinding head upper fluid passage be the bucket bottom of the grinding head be provided with along the vertical direction through bucket bottom ten
Word hole.
Described grinding head is realized coordinating with the rotation stop of milling bar by the rotation stop pin being installed on milling bar and grinding head,
The rotation stop pin installing hole being correspondingly arranged is respectively equipped with grinding head and milling bar, at least one of grinding head and milling bar
Rotation stop pin installing hole be vertically extending regulation elongated hole, rotation stop pin is matched somebody with somebody with elongated hole rotation stop in milling bar circumference is adjusted
Close, be slidably matched in the vertical direction, described stroke limit structure includes the rotation stop pin and the grinding head and milling bar
The rotation stop pin installing hole being provided with.
Rotation stop pin installing hole on described grinding head is described regulation elongated hole, adjusts elongated hole through the grinding head
Bucket wall, the rotation stop pin be trip bolt, the rotation stop pin installing hole on the milling bar be the milling bar be provided with institute
State the internal thread hole of trip bolt screw threads for fastening assembling.
The invention has the beneficial effects as follows:Grinding head and milling bar be in the vertical direction in lapping device provided by the present invention
It is slidingly sealed cooperation, rotation stop coordinates in milling bar circumference, meanwhile, grinding head and milling bar are ensured by bidirectionally limited structure
Normal anticreep assembling and the normal work of grinding head.Operationally, by the fluid passage on milling bar to by grinding head and grinding
In the regulation hydraulic cavities that mill bar is surrounded, the downward cavity wall of hydraulic pressure cutting fluid adjusted in hydraulic cavities applies downward hydraulic action,
I.e. grinding head is subject to the down force that hydraulic pressure cutting fluid is applied, and so, is ground into endoporus in lapping device
When, lapping device applies downward grinding pressure by grinding head to machined surface is ground, and grinding head will bear anti-work upwards
Firmly, the reaction force and hydraulic action collective effect be on grinding head, if lapping device enters endoporus relatively depth, now
Easily there is reaction force more than hydraulic action, grinding head will be moved up along the vertical direction, grinding pressure when preventing from grinding
It is excessive and damage to being ground machined surface and grinding head, and work as lapping device into endoporus it is shallower if, now easily go out
Existing opposition is less than hydraulic action, and grinding head will be moved down along the vertical direction, it is ensured that grinding head is to being ground processing
The normal process in face, the position adjustment to grinding head is realized by the reaction force and hydraulic action during work, it is to avoid grinding
During to being ground the destruction of machined surface, in turn ensure that grinding precision.Meanwhile, starting in work, hydraulic pressure cutting fluid is applied to
Hydraulic action on grinding head also forms the assembly pretightening to grinding head and milling bar with bidirectionally limited respective outer side edges, by adjusting
The flow of whole hydraulic pressure cutting fluid can adjust pretightning force size, simple to operation.
Further, the grind section of grinding head is arranged on the lower surface of grinding head, and lapping device is easy to in endoporus
Cascaded surface carries out high-precision attrition process.
Further, the grind section of grinding head adopts cubic boron nitride coating, is on the one hand easy to processing, on the other hand also may be used
So that grinding precision is effectively ensured.
Further, the grinding head of tubbiness is sleeved on milling bar outside, is easy to manufacture and install maintenance.
Further, the outlet of the fluid passage on milling bar is flaring structure, is easy to hydraulic pressure cutting fluid to act on regulation
In the lower cavity wall of hydraulic cavities.
Further, not only it is capable of achieving to grind using rotation stop pin and the rotation stop pin installing hole being arranged on grinding head and milling bar
The rotation stop of bistrique and milling bar coordinates, meanwhile, rotation stop pin installing hole is designed to adjust elongated hole, grinding head can also be effectively ensured
With the slidable fit of milling bar, rotation stop pin and rotation stop pin installing hole can also be utilized to realize to grinding head in the vertical direction double
To stroke limit, overall structure is simple, using reliability.
Further, rotation stop pin adopts pin for suppressing metal, when using, pin for suppressing metal is passed through and adjusts elongated hole, and and milling bar
On the assembling of internal thread hole screw threads for fastening, you can complete the assembling of rotation stop pin, overall structure is simple, assembling is rapid reliable.
Description of the drawings
Fig. 1 is a kind of structural representation of embodiment of lapping device provided by the present invention;
Fig. 2 is the structural representation of grinding head in Fig. 1;
Fig. 3 is the left view of grinding head shown in Fig. 1(Cubic boron nitride coating does not show);
Fig. 4 is the structural representation of milling bar in Fig. 1;
Fig. 5 is the limiting condition schematic diagram of the lapping device shown in Fig. 1;
Fig. 6 is view when hydraulic pressure cutting fluid is filled with during the lapping device shown in Fig. 1 works(In figure shown in arrow
For hydraulic pressure cutting fluid flow direction).
Specific embodiment
As shown in Figures 1 to 4, a kind of embodiment of lapping device, the lapping device in the embodiment includes vertically side
To the milling bar 2 for extending and the grinding head 1 for being assemblied in the lower end of milling bar 1, the grind section 14 of grinding head 1 is to be arranged on grinding head 1
Lower surface on cubic boron nitride coating.Grinding head 1 and milling bar 2 in the present embodiment is slidable in the vertical direction sealing shroud
Dress, the rotation stop cooperation in the circumference of milling bar 2, grinding head 1 is in vertically extending tubbiness, and the grinding head 1 of tubbiness includes edge
Bucket wall 11 and the bucket bottom 16 positioned at lower end that above-below direction extends, the bucket wall 11 of grinding head 1 is sleeved on the outside of the milling bar 2,
And the bucket wall 11 of grinding head 1 is slidingly sealed cooperation with the outer peripheral face of milling bar 2, in the present embodiment, grinding head 1 is by being installed on
Rotation stop pin 3 on milling bar 2 and grinding head 1 is realized coordinating with the rotation stop of milling bar 2, sets respectively on grinding head 1 and milling bar 2
There is the rotation stop pin installing hole being correspondingly arranged, rotation stop pin 3 herein is trip bolt, and the rotation stop pin installing hole on grinding head 1 is to pass through
The regulation elongated hole 12 on the bucket wall 11 for being arranged on the grinding head 1 is worn, regulation elongated hole 12 is vertically extending, and in milling bar
Rotation stop pin installing hole on 2 is then the internal thread hole 21 being arranged on milling bar 2, during assembling, using as the fastening spiral shell of rotation stop pin 3
Nail through adjust elongated hole 12 and with the Screw assembly of internal thread hole 21, so, adjust elongated hole 12 regulation guide effect under, grinding
1 does slip adjustment in above-below direction.It is provided with correspondence on grinding head 1 with milling bar 2 to connect so that hydraulic pressure cutting fluid is by grinding
Bar flows to the fluid passage of the grind section 14 of grinding head 1, and specifically, the fluid passage on milling bar 2 is provided with for milling bar 2
Vertically extending endoporus 22, the lower port of the outlet as fluid passage of endoporus 22 extended under milling bar 2
On end face, and the lower port 23 of endoporus 22 is the flaring structure that from top to bottom size becomes larger.The fluid passage of grinding head 1 is then
For the cross bore 15 for running through bucket bottom 16 along the vertical direction that the bucket bottom 16 of the grinding head 2 is provided with.Also, in the present embodiment
In, the grinding head 1 and milling bar 2 being set in together surrounds the regulation that the fluid passage being provided with grinding head and milling bar connects
Hydraulic cavities 4, adjust hydraulic cavities 4 and are specifically surrounded by the bucket bottom 16 of grinding head 1, bucket wall 11 and milling bar 2, under reconciling hydraulic cavities 3
Cavity wall 13 is located on grinding head 1, and so, the endoporus 22 of ground bar 2 enters the hydraulic pressure cutting fluid adjusted in hydraulic cavities 4 and will act on
Applying downward hydraulic action to grinding head 2 in lower cavity wall 13.
In the present embodiment, rotation stop pin 3 and the internal thread adjusted on elongated hole 12 and milling bar 2 that is arranged on grinding head 1
Hole 21 not only realizes the rotation stop assembling of milling bar 2 and grinding head 1, meanwhile, rotation stop pin 3 and adjust elongated hole 12 and internal thread hole 21
It is also spacing to carry out two-way travel to grinding head in the vertical direction as bidirectionally limited structure.It is bidirectionally limited in the present embodiment
Structure specifically includes the rotation stop pin 3 being arranged between grinding head and milling bar, the regulation elongated hole 12 arranged on grinding head and arrangement
Internal thread hole 21 on milling bar.
During assembling, the correspondence of grinding head 1 is sleeved on into the outside of milling bar 2, then will be passed through as the trip bolt of rotation stop pin 3
Adjusting elongated hole 12 and assembling with the screw threads for fastening of internal thread hole 21 on milling bar 2 on grinding head 1, you can complete to lapping device
Integral installation match somebody with somebody.As shown in fig. 6, operationally, the input hydraulic pressure cutting fluid 6 of endoporus 22 on milling bar 2, hydraulic pressure cutting fluid
6 enter in regulation hydraulic cavities 4, and the cross bore 15 on ground 1 flows to grind section 14.Hydraulic pressure cutting fluid 6 is entering regulation
After hydraulic cavities 4, downward hydraulic action will be applied to grinding head 1, grinding head 1 moves down stress, realized to grinding dress
The pretension put.
When the lapping device provided using above-described embodiment is ground to endoporus, lapping device passes through grinding head 1
Apply downward grinding pressure to machined surface is ground, grinding head 1 will bear reaction force upwards, the reaction force and hydraulic pressure
The hydraulic action collective effect that cutting fluid applies on grinding head 1 to change the rigging position of grinding head 1 and milling bar 1, such as
The position view in sliding stroke the two poles of the earth in limited time of grinding head 1 is respectively shown in Fig. 1 and Fig. 5, as lapping device, grinding head
1 shift motion is shorter, about 5 ㎜.When being specifically ground work, if lapping device enters endoporus relatively depth, now hold
Easily there is reaction force more than hydraulic action, grinding head 1 will be moved up along the vertical direction, grinding pressure mistake when preventing from grinding
It is big and damage to being ground machined surface and grinding head, and work as lapping device into endoporus it is shallower if, now easily occur
Opposition is less than hydraulic action, and grinding head 1 will be moved down along the vertical direction, it is ensured that grinding head 1 pair is ground processing
The normal process in face, the position adjustment to grinding head is realized by the reaction force and hydraulic action during work, it is to avoid grinding
During to being ground the destruction of machined surface, in turn ensure that grinding precision.In embodiment, reaction force and hydraulic action are ground
Power is collectively forming one " water spring ", realizes the adjust automatically to grinding head.
In above-described embodiment, grinding head is sleeved on outside milling bar, and surrounds regulation hydraulic cavities, in other embodiments,
Milling bar can be sleeved on grinding head outside, equally regulation hydraulic pressure can be surrounded by the grinding head and milling bar that are set in together
Chamber.
In above-described embodiment, realize grinding head and milling bar in the vertical direction by rotation stop pin and rotation stop pin installing hole
It is slidably matched, the rotation stop in milling bar circumference coordinates, in other embodiments, it is also possible to set between milling bar and grinding head
Put the feather key structure for being capable of achieving that both slide in the vertical direction, in the circumferential rotation stop coordinates.
In above-described embodiment, be capable of achieving grinding head two-way travel is carried out spacing stroke limit structure including rotation stop pin,
Adjust elongated hole and internal thread hole, in other embodiments, it is also possible to arrange between milling bar and grinding head prevent grinding head to
It is lower to depart from the disconnecting prevention structure of milling bar, and stop ring is set above grinding head on milling bar, by disconnecting prevention structure and block
The cooperation of ring can equally realize that the two-way travel to grinding head is spacing.
In above-described embodiment, rotation stop pin adopts trip bolt, and in other embodiments, rotation stop pin can also be adopted and can born
The pin of larger shearing force.
In above-described embodiment, adjust elongated hole and be arranged on the bucket wall of grinding head, in other embodiments, adjust elongated hole and also may be used
Think the vertically extending elongated slot on the outer peripheral face for being arranged on milling bar, the end of rotation stop pin extend in elongated slot and with
Elongated slot slide-and-guide coordinates, and the stroke limit to rotation stop pin is realized by the two ends of elongated slot.
In above-described embodiment, the grind section of grinding head is arranged on the lower end plane of grinding head, at this point it is possible to using above-mentioned
Lapping device is ground processing to the ladder plane of endoporus.In other embodiments, the grind section of grinding head can also be in cone
Pyramidal structure directed downwardly is pushed up, at this point it is possible to processing is ground to the tapered inner circumferential surface of taper hole using above-mentioned lapping device, is ground
The grinding reaction force that head is born equally is upward, can to form " water spring " to adjust grinding head with hydraulic action
Position.
Claims (7)
1. a kind of lapping device, including vertically extending milling bar and the grinding head for being assemblied in milling bar lower end, grinding
Bar is provided with the corresponding fluid passage for connecting and the grind section of grinding head being flowed to by milling bar for hydraulic pressure cutting fluid with grinding head, its
It is characterised by:Described grinding head and milling bar are slidingly sealed suit in above-below direction, the rotation stop cooperation in milling bar circumference,
It is provided between grinding head and milling bar for carrying out to grinding head the spacing stroke limit structure of two-way travel in the vertical direction,
The grinding head and milling bar surround the regulation hydraulic cavities connected with the fluid passage, and the lower cavity wall of the regulation hydraulic cavities sets
Put on the grinding head, described grinding head is in vertically extending tubbiness, the grinding head of tubbiness includes vertically side
To the bucket wall and the bucket bottom positioned at lower end that extend, the bucket wall of grinding head is sleeved on outside the milling bar, the bucket wall of grinding head with grind
Mill bar is slidingly sealed cooperation, and the bucket bottom of the grinding head, bucket wall and milling bar surround described regulation hydraulic cavities, the regulation liquid
The lower cavity wall in pressure chamber is arranged on the bucket bottom inner side of the grinding head, and the fluid issuing of the fluid passage on the milling bar is arranged at
On the lower surface of the milling bar.
2. lapping device according to claim 1, it is characterised in that:The grind section of described grinding head is arranged on grinding head
Lower surface on.
3. lapping device according to claim 2, it is characterised in that:The grind section of described grinding head is to be arranged on grinding
Cubic boron nitride coating on the lower surface of head.
4. lapping device according to claim 1, it is characterised in that:The outlet of the fluid passage on described milling bar is
The flaring structure that from top to bottom size becomes larger.
5. lapping device according to claim 1, it is characterised in that:Described grinding head upper fluid passage is the grinding
The cross bore for running through bucket bottom along the vertical direction that the bucket bottom of head is provided with.
6. lapping device according to claim 1, it is characterised in that:Described grinding head is by being installed on milling bar and grinding
Rotation stop pin on bistrique is realized coordinating with the rotation stop of milling bar, and the rotation stop being correspondingly arranged is respectively equipped with grinding head and milling bar
Pin installing hole, the rotation stop pin installing hole at least one of grinding head and milling bar is that vertically extending regulation is long
Hole, rotation stop pin coordinates, is slidably matched in the vertical direction with elongated hole rotation stop in milling bar circumference is adjusted, described stroke limit
Structure includes the rotation stop pin installing hole that the rotation stop pin and the grinding head and milling bar are provided with.
7. lapping device according to claim 6, it is characterised in that:Rotation stop pin installing hole on described grinding head is institute
The regulation elongated hole stated, adjusts bucket wall of the elongated hole through the grinding head, and the rotation stop pin is trip bolt, on the milling bar
Rotation stop pin installing hole is the internal thread hole with trip bolt screw threads for fastening assembling that the milling bar is provided with.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410275164.5A CN104290022B (en) | 2014-06-19 | 2014-06-19 | Grinding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410275164.5A CN104290022B (en) | 2014-06-19 | 2014-06-19 | Grinding device |
Publications (2)
Publication Number | Publication Date |
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CN104290022A CN104290022A (en) | 2015-01-21 |
CN104290022B true CN104290022B (en) | 2017-05-10 |
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ID=52310094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410275164.5A Active CN104290022B (en) | 2014-06-19 | 2014-06-19 | Grinding device |
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CN (1) | CN104290022B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106737032A (en) * | 2015-11-20 | 2017-05-31 | 富泰华工业(深圳)有限公司 | Polishing machine clamp |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2228395Y (en) * | 1995-06-14 | 1996-06-05 | 佛山市北江机械厂 | Combined grinding head device |
CN2445856Y (en) * | 2000-04-29 | 2001-09-05 | 通辽通发实业总公司科技开发处 | Adjustable pneumatic-electric valve grinder |
DE19926414C2 (en) * | 1999-06-10 | 2001-11-08 | Optotech Optikmasch Gmbh | Combination tool for processing optical lenses |
CN101954619A (en) * | 2009-07-17 | 2011-01-26 | 本田技研工业株式会社 | Tool holder |
CN103372808A (en) * | 2012-04-24 | 2013-10-30 | 昆山江锦机械有限公司 | Deep hole bottom surface grinding tool |
-
2014
- 2014-06-19 CN CN201410275164.5A patent/CN104290022B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2228395Y (en) * | 1995-06-14 | 1996-06-05 | 佛山市北江机械厂 | Combined grinding head device |
DE19926414C2 (en) * | 1999-06-10 | 2001-11-08 | Optotech Optikmasch Gmbh | Combination tool for processing optical lenses |
CN2445856Y (en) * | 2000-04-29 | 2001-09-05 | 通辽通发实业总公司科技开发处 | Adjustable pneumatic-electric valve grinder |
CN101954619A (en) * | 2009-07-17 | 2011-01-26 | 本田技研工业株式会社 | Tool holder |
CN103372808A (en) * | 2012-04-24 | 2013-10-30 | 昆山江锦机械有限公司 | Deep hole bottom surface grinding tool |
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Publication number | Publication date |
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CN104290022A (en) | 2015-01-21 |
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