CN203831351U - End-broken screw extractor - Google Patents
End-broken screw extractor Download PDFInfo
- Publication number
- CN203831351U CN203831351U CN201420084397.2U CN201420084397U CN203831351U CN 203831351 U CN203831351 U CN 203831351U CN 201420084397 U CN201420084397 U CN 201420084397U CN 203831351 U CN203831351 U CN 203831351U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- drillstock
- broken
- cutting edge
- main cutting
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005553 drilling Methods 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 8
- 238000010079 rubber tapping Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007514 turning Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
Abstract
The utility model discloses an end-broken screw extractor, and relates to the field of mechanical parts. The end-broken screw extractor comprises a drillstock and drill bits, wherein the drillstock and the drill bits are integrally manufactured. The number of the drill bits is two, the drill bits comprise the drill bit A and the drill bit B and are arranged at the two ends of the drillstock respectively, the end of the drill bit A is provided with a main cutting blade and a rear cutting blade, a scrap containing groove is formed in the front end face of the main cutting blade, an arc face is arranged between the main cutting blade and the rear cutting blade, the drill bit B is in the shape of a cone, left-handed threads are arranged on the side face of the drill bit B, the taper angle of the threads is 26-28 degrees, the tails of the drill bits are both provided with tool retracting grooves, and necking grooves are formed in the one-sixth positions of the two ends of the drillstock. In the end-broken screw extractor, the drill bit A and the drill bit B are used for drilling, tapping and clamping, quick and efficient production can be realized through the integrated design, the application range is wide, the necking grooves can guarantee installation and positioning of the drillstock, and convenience is brought to quick installation of the drillstock and a drilling machine.
Description
Technical field
The utility model belongs to component of machine field, relates in particular to a kind of broken-end screw taking-out device.
Background technology
Because of connect reliability high, dismounting that simultaneously can be rapidly and efficiently, screw has all obtained using widely in all trades and professions, but because the impact of environment for use, or the reason such as the quality of coping screw own, the situation that in use inevitably there will be screw to damage or rupture, now general screwdriver cannot use, and need by broken-end screw taking-out device just can back-out damage screw, application number 03277322.6 discloses a kind of broken-end screw taking-out device, formed by the little main body in large one end, one end, the large section of main body is hexagon plane, while there is screw broken end, first on broken screw, make a call to a hole by the drill bit of dimension, then with spanner or clip, small end is put into hole, reverse rotation, can take out broken screw, this utility model is simple and reasonable, solve practical challenges, for people's productive life has been brought convenience, avoid in the past because parts are changed in broken screw impact, cause the phenomenon of waste to occur, but this utility model need just can trip out screw by manpower by spanner or clip, and lack the ability of independent boring, the manpower expending is large, inefficiency simultaneously, cannot meet suitability for industrialized production needs rapidly and efficiently.
Utility model content
The purpose of this utility model is to provide a kind of broken-end screw taking-out device, to solve the above-mentioned multinomial defect causing in prior art.
A kind of broken-end screw taking-out device, comprise all-in-one-piece drillstock processed and drill bit, described drill bit is two, be respectively A drill bit and B drill bit, all be arranged on the two ends of drillstock, described A drill bit end is provided with main cutting edge and rear cutting edge, described main cutting edge front end face is provided with chip pocket, between described main cutting edge and rear cutting edge, be provided with arc surface, the angle of described main cutting edge and axis is 70～72 °, described B drill bit is truncated cone-shaped, and side is provided with left hand thread, described screw thread cone angle is 26～28 °, described drill bit afterbody is equipped with escape, 1/6 place, described drillstock two ends is equipped with necking down groove.
Preferably, described drillstock and drill bit material are carbide alloy.
Preferably, described drillstock is provided with anti-slip tank.
Preferably, described thread surface is provided with carburized layer.
Preferably, described drillstock cross sectional shape is regular hexagon.
Preferably, described escape end is provided with limited block.
The utility model has the advantage of: the main cutting edge of described A drill bit is for bearing the maximum cutting force of cutting, described rear cutting edge is for assisted machining, improve drilling speed, the eliminating of smear metal when described chip pocket is used for drill bit drilling, make drilling more rapidly and efficiently, the screw thread of described B bit face is that the tapping of back-outing for screw clamps, available turning moment is larger, described escape can ensure the continuity of drill bit processing, described necking down groove can ensure the installation location of drillstock, facilitate the Fast Installation of drillstock and rig, described drillstock and drill bit material are carbide alloy, make drill bit have good hardness, toughness, heat resistance and vibration resistance, can adapt to the normal work of most occasion, described drillstock is provided with anti-slip tank, ensure the higher reliability that is connected with of drillstock and chuck, described thread surface is provided with carburized layer, reduce the loss of B drill bit in the time repeatedly rubbing, increase the service life, described drillstock cross sectional shape is regular hexagon, can be applicable to the use of all kinds rig, wide application, described escape end is provided with limited block, can limit the depth capacity of drill bit drilling, prevent from causing unnecessary waste because of excessive drilling.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of broken-end screw taking-out device described in the utility model.
Fig. 2 is a kind of broken-end screw taking-out device front view described in the utility model.
Wherein: 1-drillstock, 2-drill bit, 3-A drill bit, 4-B drill bit, 5-main cutting edge, cutting edge after 6-, 7-chip pocket, 8-arc surface, 9-screw thread, 10-escape, 11-necking down groove, 12-anti-slip tank, 13-carburized layer, 14-limited block.
Detailed description of the invention
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with detailed description of the invention, further set forth the utility model.
As depicted in figs. 1 and 2, a kind of broken-end screw taking-out device, comprise all-in-one-piece drillstock 1 processed and drill bit 2, described drill bit 2 is two, be respectively A drill bit 3 and B drill bit 4, all be arranged on the two ends of drillstock 1, described A drill bit 3 ends are provided with main cutting edge 5 and rear cutting edge 6, described main cutting edge 5 front end faces are provided with chip pocket 7, between described main cutting edge 5 and rear cutting edge 6, be provided with arc surface 8, described main cutting edge 5 is 70～72 ° with the angle of axis, described B drill bit 4 is truncated cone-shaped, and side is provided with left hand thread 9, described screw thread cone angle is 26～28 °, described drill bit 2 afterbodys are equipped with escape 10, 1/6 place, described drillstock 1 two ends is equipped with necking down groove 11, broken-end screw taking-out device is directly installed in rig chuck, expose the end of A drill bit 3, the end of A drill bit 3 is placed in the center of damage screw, when screw is exerted pressure and got out 1/16 or 1/8 hole at screw top, keep consistent with the angle of removing screw, from rig chuck, take out broken-end screw taking-out device, and it upset is installed in rig chuck, B drill bit 4 ends expose, the end of B drill bit 4 is positioned in the hole of the screw bolt just having got out, oppositely apply downward pressure with slower frequency, too fast speed can cause breaking end screw thread extractor depart from boring, lasting utilization more stably speed outwards drag cut-off to screw and be removed, the main cutting edge 5 of described A drill bit 3 is for bearing the maximum cutting force of cutting, described rear cutting edge 6 is for assisted machining, improve drilling speed, the eliminating of described chip pocket 7 smear metal during for drill bit 2 drilling, make drilling more rapidly and efficiently, the screw thread 9 on described B drill bit 4 surfaces is that the tapping of back-outing for screw clamps, available turning moment is larger, described escape 10 can ensure the continuity of drill bit processing, described necking down groove 11 can ensure the installation location of drillstock, facilitate the Fast Installation of drillstock and rig.
It should be noted that described drillstock 1 and drill bit 2 materials are carbide alloy, make drill bit 2 have good hardness, toughness, heat resistance and vibration resistance, can adapt to the normal work of most occasion.
In addition, described drillstock 1 is provided with anti-slip tank 12, ensure the higher reliability that is connected with of drillstock 1 and chuck, described screw thread 9 surfaces are provided with carburized layer 13, reduce the loss of B drill bit 4 in the time repeatedly rubbing, increase the service life, described drillstock 1 cross sectional shape is regular hexagon, can be applicable to the use of all kinds rig, wide application.
In the present embodiment, described escape 10 ends are provided with limited block 14, can limit the depth capacity of drill bit drilling, prevent from causing unnecessary waste because of excessive drilling.
Based on above-mentioned, the main cutting edge of A drill bit is for bearing the maximum cutting force of cutting, rear cutting edge, for assisted machining, improves drilling speed, the eliminating of smear metal when chip pocket is used for drill bit drilling, make drilling more rapidly and efficiently, the screw thread of B bit face is that the tapping of back-outing for screw clamps, and available turning moment is larger, and escape can ensure the continuity of drill bit processing, described necking down groove can ensure the installation location of drillstock, facilitates the Fast Installation of drillstock and rig.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Allly within the scope of the utility model or in the change being equal in scope of the present utility model, be all included in the utility model.
Claims (6)
1. a broken-end screw taking-out device, comprise all-in-one-piece drillstock processed and drill bit, it is characterized in that: described drill bit is two, be respectively A drill bit and B drill bit, all be arranged on the two ends of drillstock, described A drill bit end is provided with main cutting edge and rear cutting edge, described main cutting edge front end face is provided with chip pocket, between described main cutting edge and rear cutting edge, be provided with arc surface, the angle of described main cutting edge and axis is 70～72 °, described B drill bit is truncated cone-shaped, and side is provided with left hand thread, described screw thread cone angle is 26～28 °, described drill bit afterbody is equipped with escape, 1/6 place, described drillstock two ends is equipped with necking down groove.
2. a kind of broken-end screw taking-out device according to claim 1, is characterized in that: described drillstock and drill bit material are carbide alloy.
3. a kind of broken-end screw taking-out device according to claim 1, is characterized in that: described drillstock is provided with anti-slip tank.
4. a kind of broken-end screw taking-out device according to claim 1, is characterized in that: described thread surface is provided with carburized layer.
5. a kind of broken-end screw taking-out device according to claim 1, is characterized in that: described drillstock cross sectional shape is regular hexagon.
6. a kind of broken-end screw taking-out device according to claim 1, is characterized in that: described escape end is provided with limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084397.2U CN203831351U (en) | 2014-02-26 | 2014-02-26 | End-broken screw extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084397.2U CN203831351U (en) | 2014-02-26 | 2014-02-26 | End-broken screw extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203831351U true CN203831351U (en) | 2014-09-17 |
Family
ID=51509239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420084397.2U Expired - Lifetime CN203831351U (en) | 2014-02-26 | 2014-02-26 | End-broken screw extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203831351U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476144A (en) * | 2014-12-29 | 2015-04-01 | 株洲时代新材料科技股份有限公司 | Device and method for cleaning threaded rod locked in embedded bolt sleeve at root of blade |
| CN107127372A (en) * | 2016-02-29 | 2017-09-05 | 波音公司 | Bit puller and the method for extracting drill bit |
| CN107243866A (en) * | 2017-08-03 | 2017-10-13 | 郑州宇通重工有限公司 | A kind of variable-sized anti-screw tap withdrawing device for broken threaded parts |
| WO2018010418A1 (en) * | 2016-07-12 | 2018-01-18 | 佛山市安齿生物科技有限公司 | Implant system having quickly replaceable central screws |
| CN108581953A (en) * | 2018-06-28 | 2018-09-28 | 榆林学院 | A kind of disconnected screw withdrawing device |
| CN108818422A (en) * | 2018-07-06 | 2018-11-16 | 邢旺 | One kind two-way four is with taking yarn cutter |
| CN109079711A (en) * | 2018-09-07 | 2018-12-25 | 吉林大学青岛汽车研究院 | A kind of novel and multifunctional Decapitated bolt extractor |
| WO2021088284A1 (en) * | 2019-11-06 | 2021-05-14 | 上海钰工机电有限公司 | Screw drilling and taking-out integrated tool |
| TWI749883B (en) * | 2020-02-05 | 2021-12-11 | 鴻安國際興業有限公司 | Anti-slip fastener driver |
-
2014
- 2014-02-26 CN CN201420084397.2U patent/CN203831351U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476144B (en) * | 2014-12-29 | 2017-01-18 | 株洲时代新材料科技股份有限公司 | Device and method for cleaning threaded rod locked in embedded bolt sleeve at root of blade |
| CN104476144A (en) * | 2014-12-29 | 2015-04-01 | 株洲时代新材料科技股份有限公司 | Device and method for cleaning threaded rod locked in embedded bolt sleeve at root of blade |
| US10688638B2 (en) | 2016-02-29 | 2020-06-23 | The Boeing Company | Bit puller |
| CN107127372A (en) * | 2016-02-29 | 2017-09-05 | 波音公司 | Bit puller and the method for extracting drill bit |
| WO2018010418A1 (en) * | 2016-07-12 | 2018-01-18 | 佛山市安齿生物科技有限公司 | Implant system having quickly replaceable central screws |
| CN107243866A (en) * | 2017-08-03 | 2017-10-13 | 郑州宇通重工有限公司 | A kind of variable-sized anti-screw tap withdrawing device for broken threaded parts |
| CN108581953A (en) * | 2018-06-28 | 2018-09-28 | 榆林学院 | A kind of disconnected screw withdrawing device |
| CN108581953B (en) * | 2018-06-28 | 2024-03-19 | 榆林学院 | Broken screw take-out device |
| CN108818422A (en) * | 2018-07-06 | 2018-11-16 | 邢旺 | One kind two-way four is with taking yarn cutter |
| CN109079711A (en) * | 2018-09-07 | 2018-12-25 | 吉林大学青岛汽车研究院 | A kind of novel and multifunctional Decapitated bolt extractor |
| CN109079711B (en) * | 2018-09-07 | 2024-05-03 | 吉林大学青岛汽车研究院 | Novel multifunctional broken bolt extractor |
| WO2021088284A1 (en) * | 2019-11-06 | 2021-05-14 | 上海钰工机电有限公司 | Screw drilling and taking-out integrated tool |
| TWI749883B (en) * | 2020-02-05 | 2021-12-11 | 鴻安國際興業有限公司 | Anti-slip fastener driver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
|
| CX01 | Expiry of patent term |