CN110293457A - A kind of method and device of hand grinding drill bit - Google Patents
A kind of method and device of hand grinding drill bit Download PDFInfo
- Publication number
- CN110293457A CN110293457A CN201910563217.6A CN201910563217A CN110293457A CN 110293457 A CN110293457 A CN 110293457A CN 201910563217 A CN201910563217 A CN 201910563217A CN 110293457 A CN110293457 A CN 110293457A
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- CN
- China
- Prior art keywords
- drill bit
- template
- main body
- sharpening
- cylinder groove
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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
-
- 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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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
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- 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 method and devices of hand grinding drill bit, the device includes template main body (1), cylinder groove (2) are provided on the surface of the template main body (1), there is the same wrench (3) on the template main body (1) and along cylinder groove (2) axis direction, the template head (3) includes a planar end tangent with cylinder groove (2), and there is a tip (4) equal with drill bit sharp angle in end of the template head (3) on the planar end, the two sides at tip (4) are connect by arc-shaped side (5) with template main body (1).The present invention improves the efficiency of common operating personnel sharpening drill bit, solves the problems, such as to cause drill bit milled post-processing effect bad because grinding technology is unqualified.
Description
Technical field
The present invention relates to the method and devices for normal drill bit Quick manual sharpening, belong to technical field of mechanical processing.
Background technique
With manufacturing reform and development, NC cutting tool has gradually replaced traditional universal cutter, but universal cutter is sometimes
Time has advantageous effect during part manufacturing.
The especially sharpening of normal drill bit, drill bit for grinding well can than one numerical control alloy bit can bore more
Hole.Therefore, design the method for novel sharpening drill bit a kind of very it is necessary to, it is intended to solve traditional common sharpening drill bit three it is big often
See disadvantage:
(1) drill bit deviates, and causes the cause different in size of two main cutting edges；
(2) two main cutting edges height is inconsistent；
(3) chisel edge is not on center, off-centring.
Summary of the invention
The present invention is intended to provide a kind of method and device of hand grinding drill bit, is bored to improve common operating personnel sharpening
The efficiency of head, solves the problems, such as to cause drill bit milled post-processing effect bad because grinding technology is unqualified.
Specifically, technical scheme is as follows:
A kind of device of hand grinding drill bit, including template main body are provided with cylinder groove on the surface of the template main body, institute
It states in template main body and has a same wrench along cylinder groove axis direction, the template head includes one and tangent flat of cylinder groove
Face end face, and template head has a tip equal with drill bit sharp angle in the end of the planar end, the two sides at tip pass through
Arc-shaped side is connect with template main body.
Further, the template main body is cubic.
Further, the cylinder groove is semicolumn slot, and groove width is more than or equal to outside diameter.
Further, the width at the tip is equal to the diameter of cylinder groove.
A kind of method of hand grinding drill bit, comprising the following steps:
Step 1: coping drills sharp angle, will be put into cylinder groove to crusher drill, a hand holds template unit, a hand
It is supported on stone holder, moves up and down drilling tail in Sharpening device by the shape of template head upper prong, while around drill axis
Rotation guarantees the half sharp angle α of every side (i.e. the half of tip angle) equal with the half-angle at tip of drill bit；
Step 2: web thinning, drill bit is ground grinding wheel angle along template head direction, guarantees grinding points at grinding wheel center
In plane, guarantee that drill bit outside backwards to unbearable movement, grinds angle of cutting edge and sword oblique angle in drill bit, the moment is examined using the Sharpening device
Look into the symmetry and inner edge height on apex point two sides；
Step 3: mill crescent moon arc, the drill bit apex point of milled is fixed, drill lip is made to keep water substantially using the Sharpening device
Flat, appropriate to tilt template to grinding wheel side by going, to guarantee the well-formedness of arc groove depth, and the moment checks point by Sharpening device
Whether high, sword length, arc slot are symmetrical；
Step 4: mill chip dividing groove, selects sheet abrasive wheel according to the shape of template head, sharpens behind the side of chip dividing groove, and with
The sharpening of chip dividing groove is completed on the basis of the Sharpening device, and by the comparison with Sharpening device template head, guarantees pair of chip dividing groove
Title property completes one qualified drill bit of sharpening since then.
Compared with prior art, the invention has the characteristics that:
(1) present invention is to sharpen the new approaches of drill bit, can substantially accelerate the efficiency that site operation personnel sharpens drill bit, subtract
It is few to cause sharpening drill bit improper because of gimmick problem or underproof problem.
(2) present invention provides new thinking for sharpening normal drill bit, and Sharpening device structure is simple, easy to spread.
(3) the drill bit processing effect for sharpening out using new method is good, can be with Continuous maching model support base after sharpening
More than 50, hole on part, relatively only processing 18 or so without using Sharpening device greatly improved processing efficiency, reduce operator
The repeatability sharpening work of member.
(4) cost is reduced, after new method, the abrasive effect of normal drill bit is effectively controlled, and then is processing certain
When model support base part, it can replace using expensive numerical control alloy bit, there is larger promotional value.
Detailed description of the invention
FIG. 1 to FIG. 3 isDrill sharpening plant bulk designs three-view diagram；
Fig. 4 is drill sharpening device stereoscopic schematic diagram；
Fig. 5 is sharpeningDrill sharpening device application method schematic diagram；
Fig. 6 isDrill sharpening device side schematic view；
In figure, 1 template main body, 2 cylinder grooves, 3 template heads, 4 tips, 5 arc-shaped sides.
Specific embodiment
Technical solution of the present invention is described further below in conjunction with attached drawing, but required protection scope does not limit to
In described.
The thinking of hand grinding drill bit mainly includes following three points:
First point: the design of Sharpening device designs drill sharpening device sample according to the diameter of normal drill bit and bit tip angle
Plate drawing；
Second point: the manufacture of Sharpening device carries out scene processing and manufacturing sharpening drill bit template according to the drawing of sharpening tool
Device.
Thirdly: practical application carries out the sharpening of drill bit using Sharpening device.
Sharpening device detailed dimensions schematic diagram is shown in FIG. 1 to FIG. 3, is the normal drill bit to sharpen diameter 12mm in the present embodiment
Designed Sharpening device, schematic three dimensional views are shown in Fig. 4.The woollen material of Sharpening device is selected as No. 45 common steel parts, uses
Numerically-controlled machine tool is by drawing to Sharpening device dimensioned.Sharpening device includes template main body 1, and template main body 1 is cubic, sample
Be provided with cylinder groove 2 on the surface of plate main body 1, cylinder groove 1 is semicolumn slot, and groove width is equal to outside diameter, in template main body 1 and
There is the same wrench 3 along 2 axis direction of cylinder groove, template head 3 includes that a planar end tangent with cylinder groove 2 (is parallel to
The axis of cylinder groove 2), and there are a tip 4 equal with drill bit sharp angle, tip 4 in end of the template head 3 on planar end
Width be equal to the diameter of cylinder groove 2, the two sides at tip 4 are connect by arc-shaped side 5 with template main body 1.Entire Sharpening device closes
Equidistant point bilateral symmetry in tip 4, and the axis of cylinder groove 2 is on the equidistant point.
The specifically used method of Sharpening device is broadly divided into 4 steps:
Step 1: 118 ° of angles of reconditioning, are put into template master for the drill bit of diameter 12mm to be ground in the way of Fig. 5, Fig. 6 schematic diagram
The cylinder groove 2 of body 1, a hand hold Sharpening device, and a hand is supported on stone holder, keep drilling tail complete by the tip 4 of template head 3
118 ° of angle shape (i.e. exemplarily with 118 ° of angles at tip 4) moves up and down in Sharpening device, while around drill axis rotation
(Sharpening device is held in palm, is stirred up and down in cylinder groove 2 with thumb compression drill bit, while left and right is stirred with reality
Existing rotation), guarantee that the half sharp angle α of every side of drill bit is 59 ° or so.
Step 2: web thinning, drill bit is ground grinding wheel angle along 3 direction of template head, guarantees grinding points in grinding wheel
In heart plane, guarantee that drill bit outside backwards to unbearable movement, grinds angle of cutting edge and sword oblique angle in drill bit, the moment uses the Sharpening device
The symmetry and inner edge height for checking apex point two sides (utilize the high symmetry of Sharpening device, i.e. 4 size of template head 3 and tip
Or angle is as benchmark, apex point two sides and inner edge height is constant with respect to aforementioned basic or equal to Hang Seng Index definite value when then meets
It is required that).
Step 3: mill crescent moon arc, the drill bit apex point of milled is fixed, drill lip is made to keep water substantially using Sharpening device
It is flat, it is appropriate to tilt Sharpening device to grinding wheel side by going, to guarantee the well-formedness (i.e. whether depth meets the requirements) of arc groove depth,
And the moment checks that point is high, sword is long, whether arc slot symmetrically (utilizes the high symmetry of Sharpening device, i.e. template by Sharpening device
First 3 and 4 size of tip or angle as benchmark, symmetry is judged by the distance or angle to certain edges thereof or face).
Step 4: mill chip dividing groove, selects sheet abrasive wheel according to the shape of template head, sharpens behind the side of chip dividing groove, and with
The sharpening of chip dividing groove is completed on the basis of Sharpening device, and by the comparison with Sharpening device template head 3, guarantees the symmetrical of chip dividing groove
Property, one qualified drill bit of sharpening is completed since then.
It is to be noted that
1. by drill sharpening device carry out grinding drill when, it is first noted that sharpening when cannot feed it is excessive, with
It is a small amount of repeatedly based on, in order to avoid Sharpening device surface is spent by mill.
2. being cylinder groove 2 among template main body 1, multi-pass crosses the mode of hand-turning, the radian size of self-assembling formation apex point.
It is main implementation method of the invention above, general pincers worker operator is easy to operate in operation have
There is the feature of learnability.Meanwhile the method for this kind of hand grinding drill bit, the drill bit durability sharpened out is high and sharpening drill bit is fast
Victory has great application value.
And so on, a variety of variations can be made on the basis of above-mentioned case study on implementation, design diameter different but pattern,
The essentially identical Sharpening device of principle, equally can be realized the purpose of the present invention.But this variation should be wanted in right of the present invention
It asks in the protection scope of book.
Claims (5)
1. a kind of device of hand grinding drill bit, it is characterised in that: including template main body (1), the surface of the template main body (1)
On be provided with cylinder groove (2), have the same wrench (3), the sample on the template main body (1) and along cylinder groove (2) axis direction
Wrench (3) includes a planar end tangent with cylinder groove (2), and template head (3) has one in the end of the planar end
The two sides at a tip (4) equal with drill bit sharp angle, tip (4) are connect by arc-shaped side (5) with template main body (1).
2. a kind of device of hand grinding drill bit according to claim 1, it is characterised in that: the template main body (1) is
Cubic.
3. a kind of device of hand grinding drill bit according to claim 1, it is characterised in that: the cylinder groove (1) is half
Cylinder groove, groove width are more than or equal to outside diameter.
4. a kind of device of hand grinding drill bit according to claim 1, it is characterised in that: the width of the tip (4)
Equal to the diameter of cylinder groove (2).
5. a kind of using claim 1,2,3 or the grinding method of the 4 hand grinding drill bits, which is characterized in that including following
Step:
Step 1: coping drills sharp angle, will be put into cylinder groove (2) to crusher drill, a hand is held template main body (1), one
Hand is supported on stone holder, moves up and down drilling tail in Sharpening device by the shape of template head (3) upper prong (4), while around
Drill axis rotation guarantees that the half sharp angle α of every side of drill bit is equal with the half-angle of tip (4)；
Step 2: web thinning, drill bit is ground grinding wheel angle along template head (3) direction, guarantees grinding points at grinding wheel center
In plane, guarantees that drill bit outside backwards to unbearable movement, grinds angle of cutting edge and sword oblique angle in drill bit, check apex point using Sharpening device
The symmetry and inner edge height on two sides；
Step 3: mill crescent moon arc, is fixed the drill bit apex point of milled using Sharpening device, keeps drill lip holding substantially horizontal, fit
When tilting Sharpening device to grinding wheel side by going, to guarantee arc groove depth, and point height, sword length, arc slot are checked by Sharpening device
It is whether symmetrical；
Step 4: mill chip dividing groove, selects sheet abrasive wheel to be sharpened behind the side of chip dividing groove according to the shape of template head (3), and with sword
The sharpening of chip dividing groove is completed on the basis of mill apparatus, and by the comparison with Sharpening device template head (3), guarantees the symmetrical of chip dividing groove
Property, one qualified drill bit of sharpening is completed since then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910563217.6A CN110293457B (en) | 2019-06-26 | 2019-06-26 | Method and device for manually sharpening drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910563217.6A CN110293457B (en) | 2019-06-26 | 2019-06-26 | Method and device for manually sharpening drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110293457A true CN110293457A (en) | 2019-10-01 |
| CN110293457B CN110293457B (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910563217.6A Active CN110293457B (en) | 2019-06-26 | 2019-06-26 | Method and device for manually sharpening drill bit |
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| CN (1) | CN110293457B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643414A (en) * | 2020-12-09 | 2021-04-13 | 航天科工哈尔滨风华有限公司 | Method for processing and manufacturing hard alloy drill bit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0028413A1 (en) * | 1979-11-06 | 1981-05-13 | Hawera Probst GmbH + Co. | Grinding aid |
| CN85202578U (en) * | 1985-06-29 | 1986-07-30 | 范云德 | High speed drilling-filing bit |
| DE69619546T2 (en) * | 1995-12-20 | 2002-11-21 | Turner Intellect Property Ltd | IMPROVEMENTS ON OR RELATED TO DRILL GRINDING |
-
2019
- 2019-06-26 CN CN201910563217.6A patent/CN110293457B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0028413A1 (en) * | 1979-11-06 | 1981-05-13 | Hawera Probst GmbH + Co. | Grinding aid |
| CN85202578U (en) * | 1985-06-29 | 1986-07-30 | 范云德 | High speed drilling-filing bit |
| DE69619546T2 (en) * | 1995-12-20 | 2002-11-21 | Turner Intellect Property Ltd | IMPROVEMENTS ON OR RELATED TO DRILL GRINDING |
Non-Patent Citations (2)
| Title |
|---|
| 吴修义: "手工刃磨钻头", 《机械工人.冷加工》 * |
| 科技火球: "打磨神器", 《HTTPS://HAOKAN.BAIDU.COM/V?VID=6688357958106625738&PD=BJH&FR=BJHAUTHOR&TYPE=VIDEO》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643414A (en) * | 2020-12-09 | 2021-04-13 | 航天科工哈尔滨风华有限公司 | Method for processing and manufacturing hard alloy drill bit |
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| Publication number | Publication date |
|---|---|
| CN110293457B (en) | 2022-02-11 |
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