CN110524325A - Drill bit cutting edge grinding device, drill bit cutting edge polishing process and drill bit - Google Patents
Drill bit cutting edge grinding device, drill bit cutting edge polishing process and drill bit Download PDFInfo
- Publication number
- CN110524325A CN110524325A CN201910968828.9A CN201910968828A CN110524325A CN 110524325 A CN110524325 A CN 110524325A CN 201910968828 A CN201910968828 A CN 201910968828A CN 110524325 A CN110524325 A CN 110524325A
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- Prior art keywords
- drill bit
- cutting edge
- grinding wheel
- polishing
- grinding
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- 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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Classifications
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- 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
- 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
- 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
- B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
- B24B3/247—Supports for 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
- 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
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/16—Bushings; Mountings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of drill bit cutting edge grinding devices, belong to drill bit processing technique field, its key points of the technical solution are that, including pedestal；Axis is parallel to the grinding wheel of pedestal, and the grinding wheel excircle side wall is evenly equipped with cilium of polishing made of synthetic resin material；Pedestal is carried on for generating the driving device that power drives grinding wheel circumferential direction rotation；Along the sliding block of the axial sliding setting of grinding wheel, the top surface of the sliding block is provided with the drill bit installed body for fixed drill bit to be polished；With the dust collect plant for collecting grinding clast.This kind of grinding device have it is easy to operate safely, be easy to control stock removal, the advantage convenient for checking polishing situation in real time.It is another object of the present invention to disclose a kind of drill bit cutting edge polishing process using previous bit cutting edge polishing dress, with easy to operate, safe advantage.Sharp, be not easy to crumble in addition, cutting edge is polished via preceding method the invention also discloses a kind of drill bit, the service life is longer.
Description
Technical field
The present invention relates to drill bit processing technique fields, more specifically, it relates to a kind of drill bit cutting edge grinding device, drill bit
Cutting edge polishing process and drill bit.
Background technique
During use, passivation even tipping can be presented in the main sword and chisel edge of drill bit with increasing for access times
Phenomenon, in order to protect cutting edge to extend the service life of drill bit.Drill bit generally requires the main sword and cross to drill bit after machine-shaping
Sword is polished, and shape is ground to form 1-3 curved edges at cutting edge, and neither influence cutting edge cuts sharpness, and can be right
Cutting edge plays a protective role.
Currently, polishing drill bit is often that technology master worker is polished using abrasive machine and polishing paper.Abrasive machine technique for grinding
Complexity, operating process are more, it is difficult to control polishing accuracy, and midway of polishing is inconvenient to check the stock removal of cutting edge.Polishing paper is beaten
Mill is then more demanding to operator, and not only grinding efficiency is low easily causes polishing to damage.
For this purpose, the Chinese patent that Authorization Notice No. is CN208681172U discloses a kind of drill bit blade automatic sharpening dress
Set, including pedestal, shake hands, main sharpener, sleeve are shaken hands and horizontal blade abrading block, need to hold chisel edge knife abrading block when in use,
The chisel edge of high-speed rotating drill bit end is cooperated to polish with the sharpening slot on chisel edge knife abrading block.Operational stability is poor, and needs
Various sizes of drill bit is cooperated to polish using various sizes of sharpening slot, operation ease and safety are poor, can not
It is fully solved the above problem.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of drill bit cutting edge grinding device, tool
Have that structure is simple, advantage of easy-to-operate.
To achieve the above object, the present invention provides the following technical scheme that
A kind of drill bit cutting edge grinding device, including pedestal；Axis is parallel to the grinding wheel of pedestal, the grinding wheel excircle side wall
It is evenly equipped with cilium of polishing made of synthetic resin material；It is carried on pedestal and drives grinding wheel circumferential direction rotation for generating power
Driving device；Along the sliding block of the axial sliding setting of grinding wheel, the top surface of the sliding block is provided with for fixed drill bit to be polished
Drill bit installed body；With the dust collect plant for collecting grinding clast.
By using above-mentioned technical proposal, when polishing, drill bit is fastened in installed body, so that the head end of drill bit is towards beating
Emery wheel.Grinding wheel is driven to rotate by driving device, using can be to drill bit with polishing cilium high-speed rotating in grinding wheel
Cutting edge is ground.When polishing, sliding block is slid along grinding wheel axial reciprocating, can be realized to drill bit cutting edge each point uniform grinding.
The rationally control polishing time den bohrkopf abbauen can be checked and be beaten at cutting edge at any time in bruting process, it can be achieved that grinding output controlling
Grind situation.Polishing cilium is made of synthetic resin material, has the characteristics that wearability is good, toughness is good, polishes compared to sand paper, In
Not easy damaged drill bit while realizing polishing.The setting of dust collect plant, allow the grinding clast that generates in bruting process by
Centralized processing is collected, the clean hygiene in the workshop of processing is maintained.
Further, the installed body includes clamping block, and the clamping block is set to sliding block top surface by pin rotation；
The top surface for clamping block is provided with the card holding trough being caught in for drill bit.
By using above-mentioned technical proposal, rotation, which clamps block, can adjust the gradient of drill bit so that be applicable to it is various not
With the polishing of cutting edge gradient drill bit.When polishing, drill chuck is loaded on card holding trough, pressing is fixed, easy to operate.
Further, the cross section of the card holding trough is triangular in shape, semicircle or trapezoidal.
By using above-mentioned technical proposal, the clamping to drill bit can be realized, it is easy to operate.
Further, the grinding wheel includes the ring body that wheel body and coaxial sleeve are set to wheel body, and the polishing cilium is distributed in
The outer circle wall of ring body；The inner circumferential side wall of the ring body is provided with several fixture blocks, and the periphery of the wheel body is provided with several for institute
State the bayonet that fixture block is caught in；It is removably connected with by bolt for preventing fixture block to be detached from consolidating for wheel body on the end face of the wheel body
Fixed board.
By using above-mentioned technical proposal, after removing fixed plate, ring body and wheel body can be separated, be fought each other with can be convenient
The ring body of mill cilium serious wear is replaced, and the ease of use of drill bit cutting edge grinding device is increased.
Further, the driving device is servo motor, and the servo motor passes through direct-drive or indirect drive
Mode provides driving force for grinding wheel.
By using above-mentioned technical proposal, energization servo motor can work, and be easy to control start and stop.And servo motor
Revolving speed and steering are controllable, can satisfy the polishing requirement of different model drill bit.
Further, the dust collect plant includes the dust leg being connected to bleed blower, if being communicated on the dust leg
Dry dust guiding tube；Open at one end alignment grinding wheel of the dust guiding tube far from dust leg.
By using above-mentioned technical proposal, under the action of dust blower, negative pressure is generated in dust leg, what when polishing generated
Clast can be guided via dust leg, convenient for the cleaning to clast.Several dust guiding tubes are set on dust leg, so that dirt can be led each
It is provided with a dozen grinder positions at pipe, the polishing dust suction of multiple groups grinding wheel can be matched simultaneously.
Further, the sliding block top surface is detachably provided with a locating rod, and the top surface of the sliding block is provided with several confessions
The location hole of locating rod insertion；The location hole linearly arranges, and the line of location hole is perpendicular to polishing wheel axis.
By using above-mentioned technical proposal, locating rod is inserted into location hole, position-limiting action can be played to block is clamped, that is, clamped
Block can not rotate after turning an angle, for polishing with the mass deviation for controlling each drill bit when money drill bit.Replacement positioning
Bar is inserted into different location holes, can limit clamping block and rotate different angles, can satisfy the brill of different angle inclination cutting edge
Head polishing demand, increases sanding operation convenience and applicability.
The purpose of the present invention is to provide a kind of drill bit cutting edge polishing process, with security advantages easy to operate.
To achieve the above object, the present invention provides the following technical scheme that
A kind of drill bit cutting edge polishing process polishes to the cutting edge of drill bit with above-mentioned drill bit cutting edge grinding device.
It by using above-mentioned technical proposal, can smoothly operate, operator does not contact or close to grinding wheel, and operation is more pacified
Entirely.
Further, include the following steps,
P1, drive grinding wheel with the rotational speed of 2800-3200rpm by driving device；
P2, drill chuck to be polished is loaded on installed body, so that the head end of drill bit is towards grinding wheel；
P3, pressing drill bit keep drill bit to be fixed on clamping block, and rotation clamps block to drill bit and deviates perpendicular to grinding wheel axis direction,
Maintain drill bit state, slide sliding block along grinding wheel axial reciprocating so that polishing cilium in grinding wheel to drill bit head end cutting edge into
Row polishing, control polishing time are 8-15s.
By using above-mentioned technical proposal, sanding operation is simple, safe, more simplifies than traditional abrasive machine operating procedure,
It is easier to control grinding accuracy than the polishing of manual sand paper, polishing is not easily caused to damage.
The purpose of the present invention is to provide a kind of drill bits, with cutting edge useful life longevity more preferably advantage.
To achieve the above object, the present invention provides the following technical scheme that
A kind of drill bit, cutting edge is via above-mentioned drill bit cutting edge polishing process grinding process.
Via the drill bit that the above method is polished, 1-3 curved edges are formed at cutting edge, had both remained the cutting cutting edge of a knife or a sword of cutting edge
Sharp degree, and be not easy to crumble after making cutting edge stress, the service life is longer.
In conclusion the invention has the following advantages:
1, by the grinding wheel for being equipped with polishing cilium and equipped with the sliding block of installed body, it can easily realize and drill bit cutting edge is beaten
Mill, control polishing time are that may make to form 1-3 arcuate blades at bit edge mouth, remain the sharpness of cutting edge and with not
Easily crumble cutting edge, the advantage that the service life is longer；
2, dust leg is connected with bleed blower, and the dust guiding tube of several opening alignment grinding wheels is communicated on dust leg, and when polishing can
Quickly to siphon away grinding clast, keep polishing workshop clean；
3, grinding wheel includes wheel body and dismountable ring body, and polishing cilium is set to ring body, can when polishing cilium serious wear
Quickly ring body is replaced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of drill bit cutting edge grinding device in embodiment 1；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the explosive view of grinding wheel in embodiment 2；
Fig. 4 is the structural schematic diagram of drill bit in embodiment 4.
In figure: 1, pedestal；2, grinding wheel；21, wheel body；211, bayonet；22, ring body；221, fixture block；23, fixed plate；231,
Fixing bolt；24, servo motor；3, polishing cilium；4, sliding block；41, sliding rail；42, location hole；5, block is clamped；51, card holding trough；
52, pin is installed；6, locating rod；7, dust leg；71, dust guiding tube；8, drill bit；81, the body of rod；82, cutting edge.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1:
A kind of drill bit cutting edge grinding device, referring to Fig.1 comprising pedestal 1, pedestal 1 are square plate, and bottom surface quadrangle is respectively and fixedly provided with
Feet.In the present embodiment, pedestal 1 is linearly placed at three.
Referring to Figures 1 and 2, a servo motor 24 is respectively and fixedly provided on each pedestal 1, the driving end of servo motor 24 is equipped with
One grinding wheel 2.The centerline axis parallel of grinding wheel 2 is evenly equipped with highly dense poly- second in pedestal 1, and on the excircle side wall of grinding wheel 2
The polishing cilium 3 of alkene material.After servo motor 24 is powered, the circumferential rotation of grinding wheel 2 is driven.
Referring to Figures 1 and 2, the side of pedestal 1 is equipped with a sliding rail 41, and 41 top surface of sliding rail is deviateed 1 top surface of pedestal and tilted down
Setting, i.e. sliding rail 41 are lower than 1 top surface of pedestal far from 1 side long side of pedestal.Sliding is equipped with a sliding block 4 on sliding rail 41, and sliding block 4 can edge
Sliding rail 41 does linear sliding.
Referring to Figures 1 and 2,4 top surface of sliding block is equipped with one by the installation rotation of pin 52 and clamps block 5, and installation pin 52 is set to
One end of block 5 is clamped, clamps the other end of block 5 towards grinding wheel 2.The top surface for clamping block 5 is opened up along the length direction for clamping block 5
There is card holding trough 51, the cross-sectional shape of card holding trough 51 can be triangle, semicircle or trapezoidal, card holding trough 51 in the present embodiment
Cross section is trapezoidal.When polishing, the drill bit 8 polished will be needed to be installed in card holding trough 51, so that the head of drill bit 8 is towards grinding wheel
2, it opens servo motor 24 and drives the rotation polishing of grinding wheel 2.
Referring to Fig. 2, in order to increase the convenience of polishing, one end of 4 top surface of sliding block is linear along 5 length direction of block is clamped
Location hole 42 at three are placed with, wherein being inserted with a locating rod 6 at one in location hole 42.When polishing, rotatably clamp block 5 to
Obliquely, so that the 82 uniform throughout stress of cutting edge of drill bit 8.The setting of locating rod 6, so that clamping block 5 turns to certain angle
It after degree, will not be rotated further by, the rotational angle for clamping block 5 is quickly determined convenient for operator.According to 82 inclination angle of cutting edge on drill bit 8
Locating rod 6 can be inserted into the location hole 42 of different location by the difference of degree, allowed clamping block 5 to rotate different angle, adapted to not
With the polishing of model drill bit.
Referring to Figures 1 and 2, in order to reduce polishing dust pollution, the present embodiment further includes dust collect plant.Dust collect plant includes
Along the dust leg 7 of 1 arragement direction of pedestal setting, the closed at one end of dust leg 7, the other end and bleed blower (not shown) connect
It connects.Dust leg 7 and sliding rail 41 are located at the two sides of 2 central axis of grinding wheel.Each grinding wheel 2 is equipped with a dust guiding tube
71.71 one end of dust guiding tube is connected to dust leg 7, and the other end is towards the open end of grinding wheel 2, and dust guiding tube 71 is towards grinding wheel
2 one end is equipped with angular cut.Under bleed fan action, generate negative pressure in dust leg 7, the dust clast that when polishing generates via
Dust guiding tube 71 imports dust leg 7, can be focused on.
Working principle: drill bit 8 is installed in card holding trough 51, pressing drill bit 8 keeps 8 stationary state of drill bit, and rotation clamps block 5
Obliquely, sliding block 4 then is slid along sliding rail 41, that is, may make polishing cilium 3 to contact with 8 end cutting edge 82 of drill bit, completion pair
The polishing of cutting edge 82.The arcuate blade for forming 1-3 after polishing at the cutting edge 82 of drill bit 8, does not influence to cut sharpness, and be not easy to make
It crumbles at cutting edge 82, the service life is longer.
Embodiment 2:
A kind of drill bit cutting edge grinding device, referring to Fig. 3, based on embodiment 1, the present embodiment the difference from embodiment 1 is that:
Grinding wheel 2 includes the wheel body 21 being coaxially arranged and ring body 22, and polishing cilium 3 is distributed in the excircle side wall of ring body 22.Ring body 22
Inner circumferential side wall be provided with fixture block 221 at three, the cross-sectional shape of fixture block 221 forms semicircular in shape.The excircle of wheel body 21
The bayonet 211 being caught in for fixture block 221 is provided on side wall, and the end face of wheel body 21 is detachably equipped with admittedly by fixing bolt 231
Fixed board 23.After being sheathed on wheel body 21 by ring body 22, fixture block 221 is made to be caught in bayonet 211, fixed plate 23 is fitted in into 21 end of wheel body
Face is fixed using fixing bolt 231.Ring body 22 and wheel body 21 are detachably arranged, so that when polishing 3 serious wear of cilium, it can
Easily to be replaced to ring body 22.
Embodiment 3:
A kind of drill bit cutting edge polishing process beats the cutting edge 82 of drill bit 8 using the drill bit cutting edge grinding device of embodiment 1
Mill, specifically comprises the following steps:
P1, servo motor 24 is opened, so that servo motor 24 drives grinding wheel 2 with the rotational speed of 2800-3200rpm；Polishing
The revolving speed of wheel 2 can be adjusted according to practical actual conditions, and the revolving speed of grinding wheel 2 is 2800rpm in the present embodiment；
P2, drill bit 8 to be polished is installed in the card holding trough 51 clamped on block 5, so that the head end of drill bit 8 is towards grinding wheel 2；
P3, pressing drill bit 8 keep drill bit 8 to be fixed on and clamp block 5, and rotation clamps block 5 to drill bit 8 and deviates perpendicular to 2 axis of grinding wheel
Line direction maintains 8 state of drill bit, along sliding rail 41 toward polyslip sliding block 4, so that the polishing in the head of drill bit 8 and grinding wheel 2 is fine
Hair 3 contacts and completes to polish to 8 head end cutting edge 82 of drill bit.Control polishes the time as 8-15s, and the polishing time is in the present embodiment
10s polishes the arcuate blade width to be formed between 1-2 at cutting edge 82.
Embodiment 4:
A kind of drill bit comprising the body of rod 81 and the cutting edge 82 for being set to 81 end of the body of rod.Via the drill bit of embodiment 3 at cutting edge 82
8 cutting edge, 82 polishing process grinding process.
Above-mentioned specific embodiment is only explanation of the invention, is not limitation of the present invention, art technology
Personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as
All by the protection of Patent Law in scope of the presently claimed invention.
Claims (10)
1. a kind of drill bit cutting edge grinding device, it is characterised in that:
Including pedestal (1)；
Axis is parallel to the grinding wheel (2) of pedestal (1), and grinding wheel (2) the excircle side wall is evenly equipped with by synthetic resin material
Manufactured polishing cilium (3)；
It is carried on the driving device that pedestal (1) drives the circumferential rotation of grinding wheel (2) for generating power；
Along the sliding block (4) of the axial sliding setting of grinding wheel (2), the top surface of the sliding block (4) is provided with for fixed wait polish
Drill bit (8) installed body of drill bit (8)；
With the dust collect plant for collecting grinding clast.
2. drill bit cutting edge grinding device according to claim 1, it is characterised in that: the installed body includes clamping block
(5), the clamping block (5) is set to sliding block (4) top surface by pin rotation；The top surface for clamping block (5) is provided with for drill bit
(8) card holding trough (51) being caught in.
3. drill bit cutting edge grinding device according to claim 2, it is characterised in that: the cross section of the card holding trough (51) is in
Triangle, semicircle or trapezoidal.
4. drill bit cutting edge grinding device according to claim 1, it is characterised in that: the grinding wheel (2) includes wheel body
(21) and coaxial sleeve is set to the ring body (22) of wheel body (21), and polishing cilium (3) is distributed in the outer circle walls of ring body (22)；Institute
The inner circumferential side wall for stating ring body (22) is provided with several fixture blocks (221), and the periphery of the wheel body (21) is provided with several for the card
The bayonet (211) that block (221) is caught in；It is removably connected with by bolt for preventing fixture block on the end face of the wheel body (21)
(221) it is detached from the fixed plate (23) of wheel body (21).
5. drill bit cutting edge grinding device according to claim 1, it is characterised in that: the driving device is servo motor
(24), the servo motor (24) provides driving force by way of direct-drive or indirect drive for grinding wheel (2).
6. drill bit cutting edge grinding device according to claim 1, it is characterised in that: the dust collect plant includes and bleed wind
The dust leg (7) of machine connection, is communicated with several dust guiding tubes (71) on the dust leg (7)；The dust guiding tube (71) is far from dust
Manage the alignment grinding wheel (2) open at one end of (7).
7. drill bit cutting edge grinding device according to claim 1, it is characterised in that: sliding block (4) top surface is detachably set
It is equipped with a locating rod (6), the top surface of the sliding block (4) is provided with several location holes (42) for locating rod (6) insertion；It is described fixed
Position hole (42) linearly arranges, and the line of location hole (42) is perpendicular to grinding wheel (2) axis.
8. a kind of drill bit cutting edge polishing process, it is characterised in that: with drill bit cutting edge grinding device described in claim 1 to drill bit
(8) cutting edge (82) is polished.
9. a kind of drill bit cutting edge polishing process according to claim 8, it is characterised in that: include the following steps,
P1, drive grinding wheel (2) with the rotational speed of 2800-3200rpm by driving device；
P2, drill bit (8) to be polished is installed in installed body, so that the head end of drill bit (8) is towards grinding wheel (2)；
P3, pressing drill bit (8) keep drill bit (8) be fixed on clamp block (5), rotation clamp block (5) to drill bit (8) deviate perpendicular to
Grinding wheel (2) axis direction maintains drill bit (8) state, sliding block (4) is slid along grinding wheel (2) axial reciprocating, so that grinding wheel
(2) the polishing cilium (3) on polishes to drill bit (8) head end cutting edge (82), and the control polishing time is 8-15s.
10. a kind of drill bit, it is characterised in that: cutting edge (82) is beaten via drill bit described in claim 8 (8) cutting edge (82) polishing process
Mill processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910968828.9A CN110524325B (en) | 2019-10-12 | 2019-10-12 | Drill bit edge grinding device, drill bit edge grinding method and drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910968828.9A CN110524325B (en) | 2019-10-12 | 2019-10-12 | Drill bit edge grinding device, drill bit edge grinding method and drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110524325A true CN110524325A (en) | 2019-12-03 |
| CN110524325B CN110524325B (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910968828.9A Active CN110524325B (en) | 2019-10-12 | 2019-10-12 | Drill bit edge grinding device, drill bit edge grinding method and drill bit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977420A (en) * | 2021-11-11 | 2022-01-28 | 北京永逸舒克防腐蚀技术有限公司 | Multifunctional electric grinding machine |
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| CN201046553Y (en) * | 2007-05-17 | 2008-04-16 | 廖德昌 | Upright grinding abrasive cloth wheel structure |
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| CN110524325B (en) | 2021-08-27 |
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