CN207888332U - A kind of small diameter drill bit sharpening equipment - Google Patents
A kind of small diameter drill bit sharpening equipment Download PDFInfo
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- CN207888332U CN207888332U CN201820278591.2U CN201820278591U CN207888332U CN 207888332 U CN207888332 U CN 207888332U CN 201820278591 U CN201820278591 U CN 201820278591U CN 207888332 U CN207888332 U CN 207888332U
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Abstract
A kind of small diameter drill bit sharpening equipment, belongs to drill sharpening equipment technical field, for being sharpened to small diameter drill bit.Its technical solution is：Guiderail base is rectangle, the rear end of guiderail base is fixedly connected by pin bolt with workbench, guiderail base front end is that movable locking is connect with multiple screw holes on workbench by clamping screw, ball the linear guide is fixed on guiderail base upper surface, sliding block is installed in ball the linear guide, the lower part of drill bit clamping device is fixed on sliding block, the upper pinch drill bit of drill bit clamping device, drill bit centralizer is mounted on the front side of guiderail base, abrasive machine is fixed on manual slide unit, manual slide unit is to be slidably matched with grinder base, grinder base is fixed on the table.The utility model has the characteristics that drill bit centering accurate positioning, grinding commutation is quick, easy to operate, sharpening angle is accurate, under the premise of ensuring to sharpen precision, simplifies operating procedure, improves the grinding efficiency of small diameter drill bit.
Description
Technical field
The utility model is related to a kind of 2mm diameter drill bits sharpening equipments, belong to drill sharpening equipment technical field.
Background technology
Small diameter drill bit is the common drill bit of metal machining field.For the sharpening of small diameter drill bit, exist artificial
Sharpening and machinery sharpening two ways.Artificial hand grinding causes to be ground because the technical merit of operating personnel's individual has differences
Drill bit consistency out is poor；And use common special sharpening equipment there is drill bit centerings inaccurate, angle of drill bit and sharpening
The disadvantages such as precision is low, so as to cause bore size and drill bit decline.Therefore, exploitation design a kind of grinding angle it is accurate,
High, simple in structure, the easy to operate small diameter drill bit sharpening equipment of precision is urgent problem in industry.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of small diameter drill bit sharpening equipment, this sharpening equipments
Can overcome artificial sharpening at present and machinery sharpening there are the shortcomings that, make the sharpening of small diameter drill bit reach grinding angle it is accurate,
Precision is high, at the same sharpening equipment have the advantages that it is simple in structure, easy to operate.
Solving the technical solution of above-mentioned technical problem is：
A kind of small diameter drill bit sharpening equipment, it includes workbench, guiderail base, ball the linear guide, sliding block, drill jig
Tight device, drill bit centralizer, abrasive machine, manual slide unit, grinder base.Guiderail base is rectangle, the rear end of guiderail base
There is pin shaft hole to be fixedly connected with workbench by pin bolt, the front end of guiderail base has locking hole to pass through clamping screw and work
Multiple screw holes on platform connect for movable locking, and ball the linear guide is fixed on guide rail along the length direction of guiderail base
Base upper surface is equipped with sliding block in ball the linear guide, and the lower part of drill bit clamping device is fixed on the cunning of ball the linear guide
On block, the upper pinch drill bit of drill bit clamping device, drill bit is located at horizontal direction, before drill bit centralizer is mounted on guiderail base
Square side, drill bit centralizer is opposite with the outer end of arc-shaped fixing groove of guiderail base front end, and abrasive machine is fixed on manual slide unit
On, manual slide unit is to be slidably matched with grinder base, and grinder base is fixed on the table, grinding wheel and guiderail base front end
Arc-shaped fixing groove inner end it is opposite.
There are locking hole in above-mentioned small diameter drill bit sharpening equipment, the guiderail base front end, there is arc-shaped fixation on workbench
Slot has multiple screw holes, clamping screw to pass through the circle on the locking hole and workbench of guiderail base front end along arc-shaped fixing groove
Guiderail base is connect by the screw hole in arc fixing groove with table latch, and locating piece is also equipped in the front end of guiderail base,
To limit the displacement distance of sliding block.
Above-mentioned small diameter drill bit sharpening equipment, the drill bit clamping device are fixed by drill point fixed seat, drill point holder, drill bit
Folder composition, drill point fixed seat are fixed on the sliding block of ball the linear guide, and the front end of drill point holder has pin shaft hole to pass through axis pin spiral shell
Bolt is connected with the side of drill point fixed seat, and there are locking screw holes in the rear end of drill point holder, has in drill point fixed seat solid across drill point
The arc-shaped mounting hole of reservation two sides, clamping screw pass through the locking of the arc-shaped mounting hole and drill point holder of drill point fixed seat
Screw hole connects drill point holder and the locking of drill point fixed seat, and the upper front end of drill point holder has along drill point stent length direction
Circular hole, drill bit geometrical clamp are cylinder, and drill bit geometrical clamp is inlaid in circular hole, and outer circumferential walls and the circular hole of drill bit geometrical clamp are to slide
It is dynamic to coordinate, there are endoporus, diameter of bore to match with bit diameter on the cylinder axis of drill bit geometrical clamp, it is solid that drill bit is through drill bit
In the endoporus of clamp.
Opening in round hole axial downward vertically is arranged at the circular hole top of above-mentioned small diameter drill bit sharpening equipment, the drill point holder
Mouth slot, the depth of open slot are more than the central axis of drill bit geometrical clamp, have drill bit top hole in the side of drill bit geometrical clamp, hold out against
Hole is opposite with drill bit geometrical clamp central axis, and the diameter of puller bolt is less than the width of open slot, and puller bolt passes through open slot
Lower part holds out against the drill bit body of rod after screwing in drill bit top hole, has locking nut, the diameter of locking nut to be more than opening on puller bolt
The width of slot, locking nut lock with drill point stent outer surface, drill bit geometrical clamp and drill point holder are fixed.
Above-mentioned small diameter drill bit sharpening equipment, the grinder base is installed above leading screw, and leading screw is along manual slide unit
Moving direction, on the leading screw, screw is fixedly connected nut sleeve with manual slide unit, the both ends of leading screw on bearing block,
Handwheel is connected with the rear end of leading screw, and there are sliding rail, the bottom surface both sides of manual slide unit and cunning in both sides respectively above grinder base
Rail is sliding connection.
Above-mentioned small diameter drill bit sharpening equipment has the drill lip positioning for the position for adjusting drill bit on the drill bit centralizer
Graduation mark.
Above-mentioned small diameter drill bit sharpening equipment, the pin bolt of the guiderail base rear end connect with the center of drill bit centralizer
Line is parallel to the central axis of grinder base, the line of guiderail base rear end pin bolt and abrasive machine wheel grinding position and
The central axis of grinder base has 30 degree of angle.
The utility model has the beneficial effects that：
The guiderail base of the utility model can rotate between abrasive machine and drill bit centralizer within the scope of 30 °, with convenient
Drill bit centering positions the switching between sharpening work；Sliding block drives drill bit clamping device to be slided in ball the linear guide, can
To adjust the front and back position of drill bit clamping device；The drill point holder of drill bit clamping device can pitching, drill point geometrical clamp can up and down
With circular-rotation, achieve the purpose that the grinding angle for adjusting drill bit；Abrasive machine is moved forward and backward by manual slide unit, can adjust sand
Wheel carries out grinding operation at a distance from drill bit.
There is the utility model drill bit centering accurate positioning, grinding to commutate, and quick, easy to operate, sharpening angle is accurately special
Point, especially suitable small diameter drill bit sharpening.The utility model revolutionizes traditional drill bit hand grinding mode, to operator
The professional skill of member does not have particular/special requirement, as long as being held out against after drill bit is fixed in drill bit geometrical clamp centering as required, then presses
Sequence, which carries out sharpening operation, can disposably complete drill sharpening, under the premise of ensuring to sharpen precision, simplify operating procedure,
Improve drill bit grinding efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the vertical view of Fig. 1.
It is marked in figure as follows：Workbench 1, guiderail base 2, ball the linear guide 3, sliding block 4, drill point fixed seat 5, drill point branch
Frame 6, drill bit geometrical clamp 7, drill bit 8, locating piece 9, drill bit centralizer 10, abrasive machine 11, manual slide unit 12, grinder base 13,
Pin bolt 14, clamping screw 15, puller bolt 16, locking nut 17, arc-shaped mounting hole 18, open slot 19, leading screw 20, hand
Wheel 21, arc-shaped fixing groove 22.
Specific implementation mode
Utility model works platform 1, guiderail base 2, ball the linear guide 3, sliding block 4, locating piece 9, drill bit clamping device,
Drill bit centralizer 10, abrasive machine 11, manual slide unit 12, grinder base 13 form.
It is shown in figure, guiderail base 2 is rectangle, and the rear end of guiderail base 2 has pin shaft hole to pass through pin bolt 14 and work
Make platform 1 to be fixedly connected, there is locking hole in 2 front end of guiderail base, has arc-shaped fixing groove, clamping screw to pass through work on workbench 1
The locking hole of 2 front end of screw hole and guiderail base of arc-shaped fixing groove on platform connects guiderail base 2 and the locking of workbench 1,
Guiderail base 2 can be that the center of circle is rotated with pin bolt 14, rotate in the horizontal plane, make the front end of guiderail base 2 respectively with brill
Head centralizer 10 and abrasive machine 11 are opposite.The pin bolt 14 of 2 rear end of guiderail base is flat with the line of centres of drill bit centralizer 10
Row is in the central axis of grinder base 13, the company of guiderail base 2 rear end pin bolt 14 and 11 wheel grinding position of abrasive machine
The central axis of line and grinder base 13 has 30 degree of angle.Guiderail base 2 can be in abrasive machine 11 and drill bit centralizer 10
Between rotate within the scope of 30 °, with the switching for facilitating drill bit centering to position between sharpening work.
It is shown in figure, ball the linear guide 3 is fixed on 2 upper surface of guiderail base along the length direction of guiderail base 2, rolling
Sliding block 4 is installed, the lower part of drill bit clamping device is fixed on the sliding block 4 of ball the linear guide 3 in pearl the linear guide 3.It is leading
Locating piece 9 is also installed in the front end of flange of rail seat 2, the sliding position for limiting sliding block 4.
It is shown in figure, drill bit clamping device is made of drill point fixed seat 5, drill point holder 6, drill bit geometrical clamp 7.Drill point is fixed
Seat 5 is fixed on the sliding block 4 of ball the linear guide 3.The front end of drill point holder 6 have pin shaft hole by another pin bolt 14 with
The side of drill point fixed seat 5 is connected.There are locking screw holes in the rear end of drill point holder 6, has in drill point fixed seat 5 and is fixed across drill point
The arc-shaped mounting hole 18 of 5 two sides of seat, clamping screw 15 pass through the arc-shaped mounting hole 18 and drill point holder of drill point fixed seat 5
6 locking screw holes connect drill point holder 6 and the locking of drill point fixed seat 5.Using this structure, drill point holder 6 can be around axis pin
Bolt 14 is swung on the vertical plane, and when swing, clamping screw 15 is with the rear portion of drill point holder 6 in arc-shaped mounting hole 18
Rotation, after swinging to the angle for needing position, clamping screw 15 connects drill point holder 6 and the locking of drill point fixed seat 5.
It is shown in figure, the upper front end of drill point holder 6 has the protrusion of cuboid, has along 6 length of drill point holder in protrusion
The circular hole in direction, drill bit geometrical clamp 7 are cylinder, and drill bit geometrical clamp 7 is inlaid in circular hole, the outer circumferential walls of drill bit geometrical clamp 7
It is to be slidably matched with circular hole, has endoporus, diameter of bore to match with 8 diameter of drill bit on the cylinder axis of drill bit geometrical clamp 7, bores
First 8 are through in the endoporus of drill bit geometrical clamp 7.
Show there is the open slot 19 in round hole axial downward vertically, the utility model at the top of the circular hole of drill point holder 6 in figure
The width of open slot 19 of one embodiment be 4.5mm, the depth of open slot 19 is more than the central axis of drill bit geometrical clamp 7.
There is drill bit top hole in the side of drill bit geometrical clamp 7, top hole is opposite with 7 central axis of drill bit geometrical clamp, puller bolt 16
Diameter is less than the width of open slot 19, and puller bolt 16 holds out against 8 bar of drill bit after passing through 19 lower part of open slot to screw in drill bit top hole
Body.There are locking nut 17, the diameter of locking nut 17 to be more than the width of open slot 19, locking nut 17 and brill on puller bolt 16
Press from both sides the locking of 6 outer surface of holder.The effect of puller bolt 16 is to fix drill bit 8 and drill bit geometrical clamp 7, and locking nut 17
Effect is to fix drill bit geometrical clamp 7 and drill point holder 6.Another effect of puller bolt 16 is not locked in locking nut 17
When tight, puller bolt 16 can be stirred along open slot 19, so that puller bolt 16 is turned to the other side of drill point holder 6, simultaneously
Drill bit geometrical clamp 7 and drill bit 8 is driven to overturn 180 °, to carry out the grinding of other side cutting edge to drill bit 8.
Shown in figure, grinder base 13 is installed above a leading screw 20, leading screw 20 along manual slide unit 12 moving direction,
On leading screw 20, screw is fixedly connected nut sleeve with manual slide unit 12, and the both ends of leading screw 20 are mounted on bearing block, handwheel 21
Be connected with the rear end of leading screw 20, grinder base 13 has a sliding rail in both sides respectively above, the bottom surface both sides of manual slide unit 12 with
Sliding rail is sliding connection.Operator rotates handwheel 21, and the rotation of leading screw 20 drives screw and manual slide unit 12 to be moved forward and backward, sand
Wheel machine base 13, abrasive machine 11 move together, so as to adjust the grinding position of grinding wheel.
It is shown in figure, drill bit centralizer 10 is mounted on the front side of guiderail base 2, is adjusted on drill bit centralizer 10
The drill lip location graduation line of the position of whole drill bit 8.
There is the utility model drill bit centering accurate positioning, grinding to commutate, and quick, easy to operate, sharpening angle is accurately special
Point, especially suitable small diameter drill bit sharpening.
The utility model operating procedure is as follows：
Equipment debugging：
By 2 adjusting of centerline of guiderail base to, at 30 ° of angular positions, drill bit 8, which is packed into, to be bored with wheel grinding place-centric line
In head geometrical clamp 7,8 exposed size of drill bit is determined on a case-by-case basis and holds out against, and 8 head of drill bit is made to touch grinding wheel, adjusts locating piece 9
Position makes it be 0.5-0.8mm and fixation at a distance from sliding block 4；Guiderail base 2 is rotated counterclockwise 30 °, makes 8 center line of drill bit
10 center of face drill bit centralizer, mobile sliding block 4 simultaneously make it be contacted with locating piece 9, and movement simultaneously fastens drill bit centralizer 10
Its graduation mark is set to touch drill bit 8.
Grinding drill：
Cutting edge is ground.Rotary drill bit 8 makes 10 graduation mark of cutting edge alignment drill bit centralizer, the top on drill bit geometrical clamp 7
Tight bolt 16 is horizontal and holds out against drill bit 8；Guiderail base 2 is rotated into 30 ° of alignment abrasive machines 11 and is fastened, grinding wheel is opened
Switch, the sliding block 4 on push rail pedestal 2, makes drill bit 8 close to grinding wheel, carries out the sharpening of drill edge forward, until sliding block
4 contact the sharpening for completing side cutting edge with locating piece 9；Negative direction pushes sliding block 4 that drill bit 8 is made to leave grinding wheel, along opening
Slot 19, which stirs puller bolt 16, makes drill bit geometrical clamp 7 and drill bit 8 overturn 180 °, forward the sliding block 4 on push rail pedestal 2, weight
The sharpening of other side cutting edge is completed in multiple above-mentioned action.
The sharpening of drill bit back angle.Guiderail base 2 leaves abrasive machine 11, and drill bit 8 maintains the original state, after unclamping drill point holder 6
The clamping screw 15 at end, rotation drill point holder 6, makes about 15 degree of 8 center line angle with horizontal plane of drill bit（See graduation mark）, then lock
Drill point holder 6 and drill point fixed seat 5 are locked by tight bolt 15；The first run 21 of rotary manual slide unit 12, makes grinding wheel to drill bit 8
Direction is moved, and is adjusted stock removal, is made the distance between sliding block 4 and locating piece 9 about 0.5mm, and manual slide unit 12 is fastened, and is repeated above-mentioned
It is ground step, completes the sharpening of drill bit back angle.
The utility model using that need to carry out equipment debugging according to the extension elongation of drill bit 8, was produced normally later for the first time
Cheng Zhong only need to carry out sharpening operation without adjusting repeatedly.Using the utility model, operating procedure, unified standard are simplified
The sharpening precision of drill bit, greatly improves production efficiency.
Claims (7)
1. a kind of small diameter drill bit sharpening equipment, it is characterised in that：It includes workbench（1）, guiderail base（2）, ball straight line
Guide rail（3）, sliding block（4）, drill bit clamping device, drill bit centralizer（10）, abrasive machine（11）, manual slide unit（12）, abrasive machine bottom
Seat（13）, guiderail base（2）For rectangle, guiderail base（2）Rear end there is pin shaft hole to pass through pin bolt（14）With workbench
（1）It is fixedly connected, guiderail base（2）Front end there is locking hole to pass through clamping screw and workbench（1）On multiple screw holes be can
Mobile locking connection, ball the linear guide（3）Along guiderail base（2）Length direction be fixed on guiderail base（2）Upper table
Face, ball the linear guide（3）On sliding block is installed（4）, the lower part of drill bit clamping device is fixed on ball the linear guide（3）Cunning
Block（4）On, the upper pinch drill bit of drill bit clamping device（8）, drill bit（8）Positioned at horizontal direction, drill bit centralizer（10）Installation
In guiderail base（2）Front side, drill bit centralizer（10）With guiderail base（2）The outer end phase of the arc-shaped fixing groove of front end
It is right, abrasive machine（11）It is fixed on manual slide unit（12）On, manual slide unit（12）With grinder base（13）To be slidably matched, grinding wheel
Machine base（13）It is fixed on workbench（1）On, grinding wheel and guiderail base（2）The inner end of the arc-shaped fixing groove of front end is opposite.
2. small diameter drill bit sharpening equipment according to claim 1, it is characterised in that：The guiderail base（2）Front end has
Locking hole, workbench（1）On have arc-shaped fixing groove（22）, along arc-shaped fixing groove（22）There are multiple screw holes, clamping screw
Across guiderail base（2）Front end locking hole and workbench（1）On arc-shaped fixing groove（22）On screw hole by guide rail bottom
Seat（2）With workbench（1）Locking connection, in guiderail base（2）Front end locating piece is also installed（9）.
3. small diameter drill bit sharpening equipment according to claim 1, it is characterised in that：The drill bit clamping device is by drill point
Fixed seat（5）, drill point holder（6）, drill bit geometrical clamp（7）Composition, drill point fixed seat（5）It is fixed on ball the linear guide（3）'s
Sliding block（4）On, drill point holder（6）Front end there is pin shaft hole to pass through pin bolt（14）With drill point fixed seat（5）Side be connected
It connects, drill point holder（6）Rear end have locking screw holes, drill point fixed seat（5）On have across drill point fixed seat（5）The circular arc of two sides
Shape mounting hole（18）, clamping screw（15）Across drill point fixed seat（5）Arc-shaped mounting hole（18）With drill point holder（6）Lock
Tight screw hole is by drill point holder（6）With drill point fixed seat（5）Locking connection, drill point holder（6）Upper front end have along drill point branch
Frame（6）The circular hole of length direction, drill bit geometrical clamp（7）For cylinder, drill bit geometrical clamp（7）It is inlaid in circular hole, drill bit is fixed
Folder（7）Outer circumferential walls and circular hole be to be slidably matched, drill bit geometrical clamp（7）Cylinder axis on have an endoporus, diameter of bore with
Drill bit（8）Diameter matches, drill bit（8）It is through drill bit geometrical clamp（7）Endoporus in.
4. small diameter drill bit sharpening equipment according to claim 3, it is characterised in that：The drill point holder（6）Circular hole
Open slot in round hole axial downward vertically is arranged at top（19）, open slot（19）Depth be more than drill bit geometrical clamp（7）Center
Axis, in drill bit geometrical clamp（7）Side have a drill bit top hole, top hole and drill bit geometrical clamp（7）Central axis is opposite, holds out against
Bolt（16）Diameter be less than open slot（19）Width, puller bolt（16）Across open slot（19）Lower part screws in drill bit and holds out against
Drill bit is held out against behind hole（8）The body of rod, puller bolt（16）On have locking nut（17）, locking nut（17）Diameter be more than open slot
（19）Width, locking nut（17）With drill point holder（6）Outer surface is locked, by drill bit geometrical clamp（7）With drill point holder（6）
It is fixed.
5. small diameter drill bit sharpening equipment according to claim 1, it is characterised in that：The grinder base（13）Above
Leading screw is installed（20）, leading screw（20）Along manual slide unit（12）Moving direction, nut sleeve be mounted in leading screw（20）On, screw with
Manual slide unit（12）It is fixedly connected, leading screw（20）Both ends be mounted on bearing block on, handwheel（21）With leading screw（20）Rear end phase
Connection, grinder base（13）There are sliding rail, manual slide unit in both sides respectively above（12）Bottom surface both sides and sliding rail be that sliding is matched
Close connection.
6. small diameter drill bit sharpening equipment according to claim 1, it is characterised in that：The drill bit centralizer（10）On have
To adjust drill bit（8）The drill lip location graduation line of position.
7. small diameter drill bit sharpening equipment according to claim 1, it is characterised in that：The guiderail base（2）Rear end
Pin bolt（14）With drill bit centralizer（10）The line of centres be parallel to grinder base（13）Central axis, guiderail base
（2）Rear end pin bolt（14）With abrasive machine（11）The line and grinder base of wheel grinding position（13）Central axis have
30 degree of angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820278591.2U CN207888332U (en) | 2018-02-27 | 2018-02-27 | A kind of small diameter drill bit sharpening equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820278591.2U CN207888332U (en) | 2018-02-27 | 2018-02-27 | A kind of small diameter drill bit sharpening equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207888332U true CN207888332U (en) | 2018-09-21 |
Family
ID=63540685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820278591.2U Active CN207888332U (en) | 2018-02-27 | 2018-02-27 | A kind of small diameter drill bit sharpening equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207888332U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227234A (en) * | 2018-11-19 | 2019-01-18 | 江苏甬润工具有限公司 | A kind of multifunctional sharpening machine |
| CN110480431A (en) * | 2019-09-17 | 2019-11-22 | 深圳市友创智能设备有限公司 | A kind of bar combined type grinding cutting mechanism |
| CN110977648A (en) * | 2019-10-14 | 2020-04-10 | 武汉船用机械有限责任公司 | Machining device and machining method for winding drum brake disc |
| CN112935944A (en) * | 2021-03-15 | 2021-06-11 | 吴锡球 | Drill sharpening mechanism |
| CN113043083A (en) * | 2021-03-30 | 2021-06-29 | 白斌将 | Drill bit grinding machine |
| CN114131488A (en) * | 2021-11-10 | 2022-03-04 | 杭州宏立机械制造有限公司 | Pull rod grooving machine |
| CN114346770A (en) * | 2022-02-14 | 2022-04-15 | 苏州东钜精密机械有限公司 | Grinding machine tool for machining numerical control tool and grinding method thereof |
| CN114633155A (en) * | 2022-02-23 | 2022-06-17 | 河南中烟工业有限责任公司 | Grinding explorator and grinding device for twist drill |
-
2018
- 2018-02-27 CN CN201820278591.2U patent/CN207888332U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227234A (en) * | 2018-11-19 | 2019-01-18 | 江苏甬润工具有限公司 | A kind of multifunctional sharpening machine |
| CN110480431A (en) * | 2019-09-17 | 2019-11-22 | 深圳市友创智能设备有限公司 | A kind of bar combined type grinding cutting mechanism |
| CN110977648A (en) * | 2019-10-14 | 2020-04-10 | 武汉船用机械有限责任公司 | Machining device and machining method for winding drum brake disc |
| CN112935944A (en) * | 2021-03-15 | 2021-06-11 | 吴锡球 | Drill sharpening mechanism |
| CN113043083A (en) * | 2021-03-30 | 2021-06-29 | 白斌将 | Drill bit grinding machine |
| CN114131488A (en) * | 2021-11-10 | 2022-03-04 | 杭州宏立机械制造有限公司 | Pull rod grooving machine |
| CN114346770A (en) * | 2022-02-14 | 2022-04-15 | 苏州东钜精密机械有限公司 | Grinding machine tool for machining numerical control tool and grinding method thereof |
| CN114633155A (en) * | 2022-02-23 | 2022-06-17 | 河南中烟工业有限责任公司 | Grinding explorator and grinding device for twist drill |
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