CN105538052B - Rotary cutting tool is ground and clamping device - Google Patents
Rotary cutting tool is ground and clamping device Download PDFInfo
- Publication number
- CN105538052B CN105538052B CN201610101522.XA CN201610101522A CN105538052B CN 105538052 B CN105538052 B CN 105538052B CN 201610101522 A CN201610101522 A CN 201610101522A CN 105538052 B CN105538052 B CN 105538052B
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- workpiece
- cutting tool
- rotary cutting
- wheel
- clamping device
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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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
-
- 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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The present invention is applied to min-cutter sword footpath processing technique field, discloses a kind of rotary cutting tool grinding and clamping device.Rotary cutting tool grinding clamping device includes being used for the driving part that clamping workpiece makes workpiece keep vertical state and drives workpiece to rotate, and driving part includes that side surface of workpiece can be pressed on intermediate friction wheel to drive guide wheel that workpiece rotates, be driven by the guide wheel and by the intermediate friction wheel drive and can be pressed on side surface of workpiece to drive the pinch roller that workpiece rotates.Rotary cutting tool grinding attachment, including two above-mentioned rotary cutting tool grinding clamping devices.Rotary cutting tool grinding provided by the present invention and clamping device, its workpiece is in grinding, workpiece is in vertical state, make piece-holder, driving turning effort in workpiece shank same area, when ensureing workpiece rotation, drift does not occur for axle center, reduces the coaxiality error with shank after sword footpath portion processes.
Description
Technical field
The invention belongs to min-cutter sword footpath processing technique field, more particularly to a kind of grinding of rotary cutting tool and clamping
Device.
Background technology
At present, in the grinding of the cylindrical work such as drill bit, typically integrally added using the coarse-fine mill of horizontal clamping workpiece
Construction equipment, i.e. workpiece are horizontal placements and are ground, and using collet clamping workpiece and drive workpiece to rotate, using V-type
The installation way of block positioning, collet and V-block act on workpiece shank simultaneously, formed positioning, when causing the workpiece to rotate,
Drift occurs for axle center, and big with the coaxiality error of shank after the processing of sword footpath, machining accuracy is low.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of rotary cutting tool grinding and folder
Device is held, axle center is stable in process for its workpiece, and machining accuracy is high.
The technical scheme is that：A kind of rotary cutting tool is ground clamping device, including makes work for clamping workpiece
The driving part that part keeps vertical state and drives workpiece to rotate, the driving part are started building including that can be pressed on side surface of workpiece with band
The guide wheel of part rotation, the intermediate friction wheel that is driven by the guide wheel and by the intermediate friction wheel drive and side surface of workpiece can be pressed on
To drive the pinch roller that workpiece rotates, the intermediate friction wheel connects with the guide wheel and pinch roller, and the guide wheel is connected with for driving
The rotary drive of the dynamic guide wheel rotation, the rotary cutting tool grinding clamping device also include guide plate, the guide plate, led
Wheel and pinch roller triangular shape are arranged in around workpiece and with workpiece and are in contact, and the diameter of the guide wheel is more than or less than or waited
In the diameter of the pinch roller.
Alternatively, the pinch roller is connected with the compression drive component for driving the pinch roller to be pressed on side surface of workpiece.
Alternatively, the axle center relative tilt of the axle center of the pinch roller and workpiece.
Alternatively, the rotary cutting tool grinding clamping device also includes being used for radial support workpiece to balance pressure
Bracket, the bracket are located at the top of driving part.
Alternatively, the rotary cutting tool grinding clamping device also includes the push rod that can be resisted against workpiece bottom, described
Push rod is located at the lower section of the driving part.
Alternatively, the bottom of the push rod is connected with the lifting driver part for driving the push rod lifting.
Present invention also offers a kind of rotary cutting tool grinding attachment, including the grinding clamping of above-mentioned rotary cutting tool
Device, the rotary cutting tool grinding clamping device are provided with least two, and two rotary cutting tool grinding folders
Hold device to be disposed adjacent, wherein the side of a rotary cutting tool grinding clamping device is provided with and carried out for microbit
The rough grinding wheel frame of secondary grinding, the side of another rotary cutting tool grinding clamping device are provided with to enter for microbit
The finishing wheel frame of second of grinding of row.
Alternatively, the rough grinding wheel frame includes rough grinding wheel and for driving the rough grinding wheel to microbit radial direction
The corase grind Feed servo system part of feeding；The finishing wheel frame includes finishing wheel and for driving the finishing wheel to miniature drill
The fine grinding Feed servo system part of head radial feed.
Alternatively, the rough grinding wheel frame also includes being used to drive the rough grinding wheel thick in axial sliding along microbit
Grind lifter slide and for adjusting corase grind angle adjustment plate of the rough grinding wheel with respect to microbit angle of inclination；The fine grinding
Grinding carriage also includes being used to drive the finishing wheel to refine lifter slide in axial sliding along microbit and for adjusting
State precision angular adjustable plate of the finishing wheel with respect to microbit angle of inclination.
Rotary cutting tool grinding provided by the present invention and clamping device, in grinding, workpiece is in its workpiece
Vertical state, piece-holder, type of drive are changed, piece-holder, driving turning effort is protected in workpiece shank same area
When demonstrate,proving workpiece rotation, drift does not occur for axle center, reduces the coaxiality error with shank after sword footpath portion processes.During grinding, by axial direction
Feeding is changed to radial feed, changes grinding method, improves grinding efficiency.Moreover, corase grind station and fine grinding station are separated, only
It is vertical, make corase grind machining accuracy be easy to detect, machining position uses workpiece vertical, is easy to the layout of each functional part of equipment, section
Save hold facility area.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the schematic perspective view of rotary cutting tool grinding clamping device provided in an embodiment of the present invention；
Fig. 2 is the floor map of rotary cutting tool grinding clamping device provided in an embodiment of the present invention；
Fig. 3 is the schematic perspective view of rough grinding wheel frame in rotary cutting tool grinding attachment provided in an embodiment of the present invention；
Fig. 4 is the schematic perspective view of rotary cutting tool grinding clamping device provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or may be simultaneously present centering elements.
Only it is relative concept each other it should also be noted that, the orientation term such as left and right, upper and lower in the embodiment of the present invention
Or using the normal operating condition of product as reference, and should not be regarded as restrictive.
As shown in Figures 1 to 4, a kind of rotary cutting tool grinding clamping device provided in an embodiment of the present invention, Ke Yiyong
In the grinding of the cylindrical works such as drill bit, the present embodiment, the microbit for processing PCB plate is as workpiece
Example, rotary cutting tool grinding clamping device include making workpiece 999 keep vertical state for clamping workpiece 999 and driving workpiece
The driving part of 999 rotations, the driving part include that the side of workpiece 999 can be pressed on to drive the guide wheel that workpiece 999 rotates
330th, the intermediate friction wheel 340 that is driven by the guide wheel 330 and driven by the intermediate friction wheel 340 and workpiece 999 can be pressed on
To drive the pinch roller 350 that workpiece rotates, the intermediate friction wheel 340 connects with the guide wheel 330 and pinch roller 350, described for side
Guide wheel 330 is connected with the rotary drive 331 for driving the guide wheel 330 to rotate, and rotary drive 331 can be motor etc..
In intermediate friction wheel 340 and pinch roller 350, the vertical setting of guide wheel 330, i.e. intermediate friction wheel 340 and pinch roller 350, guide wheel 330
For axis in longitudinal direction, workpiece 999 is also in vertical setting.Intermediate friction wheel 340 is in contact and by rubbing with pinch roller 350, guide wheel 330
Wiping transmission, i.e. the drive intermediate friction of guide wheel 330 wheel 340, the drive pinch roller 350 of intermediate friction wheel 340, pinch roller 350 and guide wheel 330
Angular speed is stable, no speed difference, and when workpiece rotates, drift does not occur for axle center, and workpiece rotation can be made to keep stable, reduce sword footpath
After processing with the coaxiality error of shank, beneficial to improve machining accuracy.And by using the mode of frictional wheel drive, it is driven
It can produce skidding when simple in construction, stable drive, overload and avoid damaging, and rotary cutting tool grinding clamping device is easy to tie up
Shield, and workpiece can be in vertical setting, rotary cutting tool are ground the compact-sized of clamping device and equipment for integrated processing, accounted for
Ground area is small.
Specifically, the rotary cutting tool grinding clamping device also includes guide plate 360, the guide plate 360, guide wheel 330
And the triangular shape of pinch roller 350 is arranged in around workpiece and with workpiece and is in contact, and to the good positioning effect of workpiece, further carries
For the stability of workpiece in process.The diameter of guide wheel 330 can be more than or less than or the diameter equal to pinch roller 350.
Specifically, the pinch roller 350 is connected with the compression driving group for driving the pinch roller 350 to be pressed on side surface of workpiece
Part.Compressing drive component may include cylinder 370 and the clamping lever 371 promoted by cylinder 370, and the drive shaft of cylinder 370 can be with
One end of clamping lever 371 is rotationally connected with, pinch roller 350 can be rotatablely connected the other end of clamping lever 371.
Specifically, the rotary cutting tool grinding clamping device also includes being used for radial support workpiece to balance pressure
Bracket 380, the bracket 380 can be located at the top of driving part, caused during with the sword footpath portion of balance sand disc sharpener turning work piece
Thrust, to ensure machining accuracy.
Specifically, the rotary cutting tool grinding clamping device also includes the push rod 310 that can be resisted against workpiece bottom, institute
The lower section that push rod 310 is located at the driving part is stated, to support workpiece, the bottom of workpiece can be supported in the upper end of push rod 310.
Specifically, the bottom of the push rod 310 is connected with the lifting driver part for driving the push rod 310 to lift,
In order to pick and place workpiece.
Specifically, the axle center relative tilt of the axle center of the pinch roller 350 and workpiece, it is ensured that workpiece when rotated, work
Part shank end face (i.e. bottom end face) is close to the head end of push rod 310, is easy to control the length at work pieces process position.
The embodiment of the present invention additionally provides a kind of rotary cutting tool grinding attachment, in the present embodiment, for processing PCB
Exemplified by the microbit of plate is as workpiece, rotary cutting tool grinding attachment includes above-mentioned rotary cutting tool grinding clamping dress
Put, the rotary cutting tool grinding clamping device is provided with least two, and two rotary cutting tool grinding clampings
Device is disposed adjacent, wherein the side of a rotary cutting tool grinding clamping device is provided with and enters places for microbit
The rough grinding wheel frame of grinding, the side of another rotary cutting tool grinding clamping device is provided with to be carried out for microbit
The finishing wheel frame of second of grinding, in grinding, workpiece is in vertical state, and it is easy to the cloth of each functional part of equipment
Office, compact equipment, save hold facility area.Rough grinding wheel frame and finishing wheel frame can be ground to workpiece respectively
Cut, and the corase grind station and fine grinding station are disposed adjacent, corase grind station, fine grinding station are separated, independent, make corase grind machining accuracy
It is easy to detect.
Specifically, the rough grinding wheel frame includes rough grinding wheel 410 and for driving the rough grinding wheel 410 to miniature drill
The corase grind Feed servo system part of head radial feed；The finishing wheel frame include finishing wheel and for drive the finishing wheel to
The fine grinding Feed servo system part of microbit radial feed, allow rough grinding wheel 410, finishing wheel from radially adjacent in miniature drill
The brill footpath portion of head, improves grinding efficiency.Rough grinding wheel 410 is connected with the first driving part for driving rough grinding wheel 410,
First driving part and rough grinding wheel 410 may connect to corase grind feeding slide unit 420, and corase grind feeding slide unit 420 may connect to roughly grind
Feed servo system part 430, corase grind Feed servo system part 430 can be motor.
Specifically, the frame of rough grinding wheel 410 also includes being used to drive the rough grinding wheel 410 axially sliding along microbit
Dynamic corase grind lifter slide 430 and the corase grind angle for adjusting the rough grinding wheel 410 microbit angle of inclination relatively is adjusted
Save plate 440；The finishing wheel frame also includes being used to drive the finishing wheel to refine lifting in axial sliding along microbit
Slide plate and the precision angular adjustable plate for adjusting finishing wheel microbit angle of inclination relatively.Roughly grind lifter slide
430 can adjust the length in the sword footpath portion of fine grinding, can be with by adjusting the angle that rotates around the axis of corase grind angle adjustment plate 440
Adjust the taper in the sword footpath portion roughly ground.Fine grinding lifter slide can adjust the length in the sword footpath portion of fine grinding, be refined by adjusting
The angle that angle adjustment plate rotates around the axis, the taper in the sword footpath portion being precision ground can be adjusted.
In concrete application, the rotary cutting tool that workpiece is placed in corase grind station by manipulator is ground clamping device, push rod 310
Top block workpiece, limitation workpiece is fallen, and Workpiece length is positioned, and is compressed drive component and is promoted pinch roller 350, by workpiece pressure
Tightly guide wheel is driven in the region for the near-sighted triangle being made up of guide plate 360, guide wheel 330, pinch roller 350, rotary drive 331 (motor)
330 rotations, the rotation of guide wheel 330 a, route directly drive workpiece to rotate, and another way line drives intermediate friction wheel 340 to rotate,
Intermediate friction wheel 340 rotates drives pinch roller 350 to rotate again, and pinch roller 350 drives workpiece to rotate again, so, workpiece have guide wheel 330,
The rubbing surface driving rotation of 350 two synchronizations of pinch roller, to overcome mill when frictional resistance and the processing in static guide plate 360
Power etc. is cut, certain angle is tilted between the axial line of guide wheel 330 and the axial line of workpiece, it is ensured that when workpiece rotates, work
Part shank end face is close to the head end of push rod 310, is easy to control the length at work pieces process position；Roughly grind Feed servo system part 430
(feeding motor) driving corase grind feeding slide unit drives (rotation) rough grinding wheel 410 from radial direction to close along slide unit direction of advance
The direction movement of workpiece, realizes the corase grind in workpiece sword footpath portion, after workpiece sword footpath portion 997 is ground to the size of setting, roughly grind into
Drive corase grind feeding slide unit 420 to be moved along slide unit direction of retreat to motor, complete the corase grind in workpiece sword footpath portion, now can be to workpiece
Detected；By adjusting the lifting position of corase grind lifter slide 430, the length in the sword footpath portion roughly ground can be adjusted, is passed through
The angle that regulation corase grind angle adjustment plate 440 rotates around the axis, the taper in the sword footpath portion roughly ground can be adjusted.
Manipulator moves to workpiece from the rotary cutting tool grinding clamping device of corase grind station the rotary cutting of fine grinding station
Cutter grinding clamping device is cut, fine grinding station and corase grind station are identical to the method for clamping of workpiece；Essence is installed on fine grinding device
Grind bracket 380, caused thrust when fine grinding bracket 380 is used to balance finishing wheel grinding workpiece sword footpath portion.Fine grinding feeding is driven
Moving part (feeding motor) driving fine grinding feeding slide unit drives the finishing wheel of rotation radially to close to work along slide unit direction of advance
The direction movement of part, the fine grinding in workpiece sword footpath portion is realized, after workpiece sword footpath portion is ground to the size of setting, refines Feed servo system
Part (feeding motor) driving fine grinding feeding slide unit moves along slide unit direction of retreat, completes the fine grinding in sword footpath portion, its grinding essence
Spend high, high in machining efficiency.
The rotary cutting tool grinding and clamping device that the embodiment of the present invention is provided, its workpiece is in grinding, work
Part is in vertical state, changes piece-holder, type of drive, makes piece-holder, driving turning effort identical in workpiece shank
Position, when ensureing workpiece rotation, drift does not occur for axle center, reduces the coaxiality error with shank after sword footpath portion processes.During grinding,
Radial feed is changed to by axial feed, changes grinding method, improves grinding efficiency.Moreover, corase grind station and fine grinding station point
Open, be independent, making corase grind machining accuracy be easy to detect, machining position uses workpiece vertical, is easy to the cloth of each functional part of equipment
Office, save hold facility area.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of rotary cutting tool is ground clamping device, it is characterised in that including making workpiece keep vertical for clamping workpiece
State and the driving part for driving workpiece to rotate, the driving part include that side surface of workpiece can be pressed on to drive leading for workpiece rotation
Wheel, the intermediate friction wheel that is driven by the guide wheel and by the intermediate friction wheel drive and side surface of workpiece can be pressed on to drive workpiece
The pinch roller of rotation, the intermediate friction wheel connect with the guide wheel and pinch roller, and the guide wheel is connected with for driving the guide wheel
The rotary drive of rotation, the rotary cutting tool grinding clamping device also include guide plate, and the guide plate, guide wheel and pinch roller are in
Triangle is arranged in around workpiece and with workpiece and is in contact, and the diameter of the guide wheel is more than or less than or equal to the pinch roller
Diameter, the angular speed of the pinch roller and guide wheel is without speed difference.
2. rotary cutting tool as claimed in claim 1 is ground clamping device, it is characterised in that the pinch roller, which is connected with, to be used for
The pinch roller is driven to be pressed on the compression drive component of side surface of workpiece.
3. rotary cutting tool as claimed in claim 1 is ground clamping device, it is characterised in that the axle center of the pinch roller and work
The axle center relative tilt of part.
4. rotary cutting tool as claimed in claim 1 is ground clamping device, it is characterised in that the rotary cutting tool mill
Cutting clamping device also includes being used for radial support workpiece to balance the bracket of pressure, and the bracket is located at the top of driving part.
5. rotary cutting tool as claimed in claim 1 is ground clamping device, it is characterised in that the rotary cutting tool mill
The push rod that clamping device also includes that workpiece bottom can be resisted against is cut, the push rod is located at the lower section of the driving part.
6. rotary cutting tool as claimed in claim 5 is ground clamping device, it is characterised in that the bottom connection of the push rod
There is the lifting driver part for driving the push rod lifting.
7. a kind of rotary cutting tool grinding attachment, it is characterised in that including the rotation as any one of claim 1 to 6
Turn cutting element grinding clamping device, the rotary cutting tool grinding clamping device is provided with described at least two, and two
Rotary cutting tool grinding clamping device is disposed adjacent, wherein the side of a rotary cutting tool grinding clamping device is set
There is the rough grinding wheel frame for entering places grinding for microbit, the side of another rotary cutting tool grinding clamping device is set
It is equipped with the finishing wheel frame that second of grinding is carried out for microbit；Rub centre in rotary cutting tool grinding clamping device
Wipe wheel and pinch roller, the vertical setting of guide wheel.
8. rotary cutting tool grinding attachment as claimed in claim 7, it is characterised in that the rough grinding wheel frame includes corase grind
Emery wheel and for driving corase grind Feed servo system part of the rough grinding wheel to microbit radial feed；The finishing wheel frame bag
Include finishing wheel and for driving fine grinding Feed servo system part of the finishing wheel to microbit radial feed.
9. rotary cutting tool grinding attachment as claimed in claim 7 or 8, it is characterised in that the rough grinding wheel frame also wraps
Include for driving the rough grinding wheel to roughly grind lifter slide in axial sliding along microbit and for adjusting the rough grinding wheel
With respect to the corase grind angle adjustment plate at microbit angle of inclination；The finishing wheel frame also includes being used to drive the finishing wheel
Refine lifter slide in axial sliding along microbit and for adjusting the finishing wheel with respect to microbit angle of inclination
Precision angular adjustable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610101522.XA CN105538052B (en) | 2016-02-24 | 2016-02-24 | Rotary cutting tool is ground and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610101522.XA CN105538052B (en) | 2016-02-24 | 2016-02-24 | Rotary cutting tool is ground and clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105538052A CN105538052A (en) | 2016-05-04 |
| CN105538052B true CN105538052B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610101522.XA Active CN105538052B (en) | 2016-02-24 | 2016-02-24 | Rotary cutting tool is ground and clamping device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498430B (en) * | 2017-09-20 | 2024-07-16 | 上海惠而顺精密工具股份有限公司 | Numerical control grinding machine for processing complex curved surface |
| CN108406639A (en) * | 2018-03-27 | 2018-08-17 | 深圳市金洲精工科技股份有限公司 | A kind of axial workpiece detection fixture and clamping method |
| CN109909876B (en) * | 2019-03-25 | 2024-03-22 | 深圳市金洲精工科技股份有限公司 | Grinding carriage mechanism |
| CN113478306A (en) * | 2021-06-11 | 2021-10-08 | 深圳市友创智能设备有限公司 | High-efficiency workpiece feeding clamp of double-grinding-wheel grinding equipment |
| CN113510584B (en) * | 2021-06-11 | 2024-10-25 | 深圳市友创智能设备有限公司 | Whole machine adjusting structure of double-grinding-wheel grinding equipment and adjusting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3244718B2 (en) * | 1991-05-22 | 2002-01-07 | 株式会社マキタ | Device for fixing rotary cutting tools in rotary tools |
| CN2125754U (en) * | 1992-05-03 | 1992-12-23 | 国营青岛前哨机械厂 | Friction wheel type straight line moving mechanism |
| JP3840154B2 (en) * | 2002-07-15 | 2006-11-01 | キヤノン株式会社 | Lens centering method, lens processing method and lens |
| EP1419852A1 (en) * | 2002-11-12 | 2004-05-19 | Rollomatic S.A. | Spindle unit |
| CN100488731C (en) * | 2007-05-09 | 2009-05-20 | 南京数控机床有限公司 | Device for trimming extra hard grinding wheel |
| CN104440420B (en) * | 2013-09-18 | 2017-11-14 | 深圳市金洲精工科技股份有限公司 | A kind of detent mechanism for boring footpath grinding machine |
| CN203579327U (en) * | 2013-11-08 | 2014-05-07 | 姚福来 | Blade bar shielding and sustaining device for bit edge grinding machine |
| CN204800410U (en) * | 2015-06-17 | 2015-11-25 | 永康市丽猛机械设备有限公司 | Process velocity adjustable steel pipe welded seam grinding device |
| CN205552153U (en) * | 2016-02-24 | 2016-09-07 | 深圳市金洲精工科技股份有限公司 | Rotary cutting cutter grinding and clamping device |
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2016
- 2016-02-24 CN CN201610101522.XA patent/CN105538052B/en active Active
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| CN105538052A (en) | 2016-05-04 |
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