CN201619006U - Drilling bit sharpener - Google Patents
Drilling bit sharpener Download PDFInfo
- Publication number
- CN201619006U CN201619006U CN2010201026294U CN201020102629U CN201619006U CN 201619006 U CN201619006 U CN 201619006U CN 2010201026294 U CN2010201026294 U CN 2010201026294U CN 201020102629 U CN201020102629 U CN 201020102629U CN 201619006 U CN201619006 U CN 201619006U
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- Prior art keywords
- keeper
- hole
- sharpening
- center line
- annular boss
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model relates to a drilling bit sharpener, which comprises a base, an upper cover and a drilling bit clamp, wherein a truncated-cone-shaped grinding wheel driven by a motor is arranged on the base, the top of the upper cover is provided with a positioning device capable of regulating the position of the drilling bit clamp in advance, the side surface of the upper cover is also provided with a sharpening hole, the center line of the sharpening hole is approximately vertical to the axial line of a driving shaft of the truncated-cone-shaped grinding wheel, an annular lug boss is arranged at the outer side of the sharpening hole, a positioning element is arranged at the outer end of the annular lug boss and can rotate relative to the sharpening hole, the center line of the positioning element and the center line of the sharpening hole form an inclined angle between 3 and 10 degrees, the positioning device comprises a conical seat, the drilling bit clamp can be inserted into the conical seat, and the conical seat and the upper cover are integrally formed. The utility model has the characteristics of simple structure, low manufacture cost, convenient use and operation and the like, and can greatly improve the positioning precision on the drilling bit clamp, so the optimum sharpening edge face angle of the drilling bit can be obtained.
Description
Technical field
The utility model relates to a kind of drill bit equipment for grinding, relates in particular to the sharpening device that is used for spiral bit.
Background technology
In the prior art, occurred to adjust the position of drill bit in advance, and then kept the grinding tool at the preferable sharpening sword face angle of drill bit cutting edge with respect to emery wheel.But owing to be used for regulating positioning component complex structure, the cost height of drill bit with respect to the emery wheel position in advance, and the positioning accuracy between sharpening hole and the drilling attachment is not high, is difficult to guarantee the sharpening sword face angle of drill bit the best.
Summary of the invention
The purpose of this utility model provides a kind of drill sharpener, has simple in structurely, uses easy to operately, can improve characteristics such as drilling attachment positioning accuracies.
The utility model includes base, loam cake and drilling attachment, is equipped with on base by motor-driven truncated cone shape emery wheel, is provided with the positioner that can adjust the drilling attachment position in advance at last tops.The loam cake side also is provided with in the sharpening hole, and the center line in described sharpening hole is approximately perpendicular to the axis of truncated cone shape emery wheel driving shaft.Be provided with an annular boss in the outside in sharpening hole, keeper is located at the outer end of annular boss and can rotates 3-10 ° of the center line inclination in the center line of described keeper and sharpening hole with respect to the sharpening hole.Being provided with in the hole of keeper can be for the annular boss and the groove of drilling attachment location usefulness, and described positioner comprises that one can insert the conical seat of drilling attachment, and this conical seat and loam cake are integrally formed.
The annular boss that is provided with in the keeper hole matches with the annular end face of drilling attachment, the axial location that is used for drilling attachment, be 180 ° of ground on the annular boss in the keeper hole and be provided with two detents, can be meshed with corresponding two projections of drilling attachment outer surface respectively, be used for the circumferential location of drilling attachment.
Since positioner of the present utility model comprise one with the integrally formed conical seat of loam cake, being provided with in the hole of keeper can be for the annular boss and the groove of drilling attachment location, only need during use drilling attachment is directly inserted the grinding position that just can make drill bit be in the best, thereby have characteristics such as simple in structure, low cost of manufacture, use be easy to operate, can improve positioning accuracy greatly, thereby obtain the sharpening sword face angle of drill bit the best drilling attachment.
Description of drawings
Fig. 1 is the structural representation of utility model;
Fig. 2 is a locating piece position schematic diagram of the present utility model;
Fig. 3 is that keeper and drilling attachment position concern schematic diagram;
Fig. 4 is the structural representation of keeper;
Fig. 5 is the structural representation of keeper and apex point orifice ring shape boss;
Fig. 6 inserts the view in sharpening hole for drill chuck.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail:
The utility model comprises base 1, loam cake 2 and drilling attachment 8, is equipped with on the base 1 by motor-driven truncated cone shape emery wheel 20.Be provided with the positioner 3 that to regulate the drilling attachment position in advance at the top of loam cake 2.Positioner 3 comprises a conical seat 12 integrally formed with loam cake 2.The side of loam cake 2 is provided with in sharpening hole 9, and the center line in sharpening hole 9 is approximately perpendicular to the axis of truncated cone shape emery wheel 20 driving shafts.Be provided with an annular boss 5 in the outside in sharpening hole 9, the keeper 4 of sharpening hole 9 rotations relatively is equipped with in annular boss 5 outer ends.4-6 ° of the center line inclination in the center line of keeper 4 and sharpening hole 9.Be provided with the annular boss 7 that matches with drilling attachment annular end face 8-2 in the hole of keeper 4, be used for the axial location of drilling attachment.Annular boss 7 in keeper 4 holes is 180 ° of ground and is provided with two detents 6, can be meshed with corresponding two projections 13 of drilling attachment outer surface, is used for the circumferential location of drilling attachment 8.The center line in the center line of keeper 4 and sharpening hole 9 is about 2.5 to 3 millimeters in the distance of vertical direction.
Shown in Fig. 4,6, keeper 4 is to be made of clamping part 4-1, rake 4-2 and location division 4-3 one, clamping part 4-1 passes sharpening hole 9 and is fixed in sharpening hole 9 and annular boss 5 thereof rotationally, the end of clamping part 4-1 is provided with flange 4-3 and matches with the inwall in sharpening hole, keeper 4 can only be rotated and can not move axially.The center line that the rake 4-2 of keeper can guarantee the location division tilts about 4-6 ° with respect to the center line in sharpening hole, and optimal cases is 5 °.Annular boss 7 and detent 6 all are located in the hole of location division 4-3.Sharpening hole 9 exterior annular boss 5 are provided with two projections 10 at its outer surface, this two projection can be respectively with keeper in the face of the set projection 11 of the one side of annular boss matches, keeper 4 can be rotated in the angular range that is limited.Conical seat 12 inboards are provided with an annular boss, are used for the axial location of drilling attachment 8, are 180 ° of ground on the described annular boss and are provided with two grooves, are used for the circumferential location of drilling attachment 8.The swing handle 8-1 of drilling attachment is connected with its outer casing screw, and shell and projection 13 thereof are integrally formed, and the jaw and the spring that are used for clamping drilling bit 18 are installed in the bellmouth of drilling attachment shell.
Truncated cone shape emery wheel 20 is coaxially installed with multi-disc disc emery wheel, is provided with the sharpening film trap relative with the disc emery wheel 14 and the cutter groove 15 that grinds scissors at the corresponding site of loam cake 2.On the base 1 and be positioned at the truncated cone shape emery wheel below and/or below the disc emery wheel, be provided with cuttings chute 16.The outer face of locator 4 is provided with cover plate 17, and cover plate 17 is fixed on the locator 4 versatilely by minor axis, and spring housing can make cover plate 17 reset on minor axis and cover the hole of keeper 4, and the time spent can not avoid foul to enter to drill sharpener.
Before grinding drill, in advance drill jig is held in the drilling attachment 8, then drilling attachment 8 is inserted in the conical seat 12 of positioner 3, rely on annular boss and groove in the conical seat that drilling attachment is carried out the axial and circumferential location.Pull spanner 22 then and make shell fragment 23 separately, and turn adjusting screw(rod) 21, the end of adjusting screw(rod) is contacted with the drill bit tip, put down wrench 22, shell fragment 23 meshes described drill bit 18 under the effect of elastic force, screw the swing handle 18-1 on the drilling attachment at last, the blade of drill bit 18 is arranged on the default plane.
The conical seat of drilling attachment 8 from positioner taken out, insert in keeper 4 and the sharpening hole 9, rely on annular boss 7 and detent 6 in keeper 4 holes, drilling attachment 8 is carried out the axial and circumferential location.Because the center line of keeper 4 is with respect to the center line inclination certain angle in sharpening hole 9, and one distance is arranged in vertical direction, keeper 4 can rotate in the angle of setting with drilling attachment 8, thereby can make drill bit obtain best grinding sword face angle, as shown in Figure 6.After finishing the sharpening of drill bit one side main cutting edge, drilling attachment 8 is extracted from the hole of keeper 4, Rotate 180 ° inserts keeper 4 and sharpening hole 9 more subsequently, can carry out sharpening of drill bit opposite side main cutting edge, use operate very convenient.
Claims (10)
1. drill sharpener, comprise base (1), loam cake (2) and drilling attachment (8), be equipped with on the base (1) by motor-driven truncated cone shape emery wheel (20), be provided with the positioner (3) that to adjust the drilling attachment position in advance at last tops, it is characterized in that loam cake (2) side also is provided with in sharpening hole (9), the center line in described sharpening hole (9) is approximately perpendicular to the axis of truncated cone shape emery wheel (20), be provided with an annular boss (5) in the outside of sharpening hole (9), keeper (4) is located at the outer end of annular boss (5) and can rotates with respect to sharpening hole (9), 3-10 ° of the center line inclination of the center line of described keeper (4) and sharpening hole (9), in the hole of keeper (4), be provided with the annular boss (7) and the groove (6) that can supply drilling attachment (8) location, described positioner (3) comprises that one can insert the conical seat (12) of drilling attachment (8), and this conical seat (12) is integrally formed with loam cake (2).
2. drill sharpener according to claim 1, it is characterized in that the annular boss (7) that is provided with in keeper (4) hole matches with the annular end face (8-2) of drilling attachment, the axial location that is used for drill chuck (8), be 180 ° of ground on the annular boss in the keeper hole (7) and be provided with two detents (6), can be meshed with corresponding two projections of drilling attachment outer surface (13) respectively, be used for the circumferential location of drilling attachment (8).
3. according to claim 1 or 2 described drill sharpeners, it is characterized in that the center line of keeper (4) and the center line of sharpening hole (9) are about 2.5 to 3 millimeters in the distance of vertical direction, the center line of keeper is with respect to 4-6 ° of the center line inclination in sharpening hole.
4. drill sharpener according to claim 3, it is characterized in that keeper (4) is integrally formed by clamping part (4-1), rake (4-2) and location division (4-3), clamping part (4-1) passes sharpening hole (4) and is fixed in sharpening hole and boss (5) thereof rotationally, the center line that said rake (4-2) makes location division (4-3) tilts about 4-6 ° with respect to the center line in sharpening hole, and annular boss (7) and detent (6) all are located at the inboard of location division (4-3).
5. according to claim 1 or 2 described drill sharpeners, the annular boss (5) that it is characterized in that the outside, sharpening hole is provided with two projections (10) at its outer surface, this two projection (10) can be respectively with keeper in the face of the set projection (11) of the one side of annular boss (5) matches, keeper (4) can be rotated in the angular range that is limited.
6. according to claim 1 or 2 described drill sharpeners, it is characterized in that described conical seat (12) inboard is provided with an annular boss, the axial location that is used for drill chuck (8) is 180 ° of ground and is provided with two grooves on the described annular boss, be used for the circumferential location of drilling attachment (8).
7. according to claim 1 or 2 described drill sharpeners, the swing handle (8-1) that it is characterized in that drilling attachment is connected with its outer casing screw, shell and projection thereof (13) are integrally formed, are used in the jaw of clamping drilling bit (18) and the bellmouth that spring is installed in shell.
8. drill sharpener according to claim 1, it is characterized in that described truncated cone shape emery wheel (20) can be coaxially installed with multi-disc disc emery wheel, be provided with the sharpening film trap (14) relative and the cutter groove (15) that grinds scissors with the disc emery wheel at the corresponding site of loam cake (2).
9. according to claim 1 or 8 described drill sharpeners, it is characterized in that going up and being positioned at the below of truncated cone shape emery wheel and/or below the disc-shaped emery wheel, being provided with cuttings chute (16) at base (1).
10. according to claim 1 or 2 described drill sharpeners, the outside end that it is characterized in that keeper (4) is provided with cover plate (17), cover plate (17) is fixed on the locator versatilely by minor axis, and spring housing can make cover plate (17) reset on minor axis and cover the hole of keeper (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201026294U CN201619006U (en) | 2010-01-27 | 2010-01-27 | Drilling bit sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201026294U CN201619006U (en) | 2010-01-27 | 2010-01-27 | Drilling bit sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201619006U true CN201619006U (en) | 2010-11-03 |
Family
ID=43022464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201026294U Expired - Fee Related CN201619006U (en) | 2010-01-27 | 2010-01-27 | Drilling bit sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201619006U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881111A (en) * | 2014-10-17 | 2016-08-24 | 黄圭鹏 | Household electric knife sharpener |
| CN108247439A (en) * | 2018-04-11 | 2018-07-06 | 郭毅 | Knife sharpener |
| CN109926875A (en) * | 2019-03-08 | 2019-06-25 | 河南省林晓科技开发有限公司 | A kind of subway dispersing platform pull rod pointing machine and processing method |
| CN114871863A (en) * | 2022-04-13 | 2022-08-09 | 浙江嘉宏工具制造有限公司 | Method for grinding drill bit by using universal rapid grinding and drilling machine |
-
2010
- 2010-01-27 CN CN2010201026294U patent/CN201619006U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881111A (en) * | 2014-10-17 | 2016-08-24 | 黄圭鹏 | Household electric knife sharpener |
| CN108247439A (en) * | 2018-04-11 | 2018-07-06 | 郭毅 | Knife sharpener |
| CN109926875A (en) * | 2019-03-08 | 2019-06-25 | 河南省林晓科技开发有限公司 | A kind of subway dispersing platform pull rod pointing machine and processing method |
| CN109926875B (en) * | 2019-03-08 | 2024-06-04 | 河南省林晓科技开发有限公司 | Subway evacuation platform pull rod sharpening machine and processing method |
| CN114871863A (en) * | 2022-04-13 | 2022-08-09 | 浙江嘉宏工具制造有限公司 | Method for grinding drill bit by using universal rapid grinding and drilling machine |
| CN114871863B (en) * | 2022-04-13 | 2023-09-26 | 浙江嘉宏工具制造有限公司 | Method for grinding drill bit by using universal quick grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20170127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |