CN208261927U - A kind of hollow plumbago drill bit with defencive function - Google Patents
A kind of hollow plumbago drill bit with defencive function Download PDFInfo
- Publication number
- CN208261927U CN208261927U CN201820454707.3U CN201820454707U CN208261927U CN 208261927 U CN208261927 U CN 208261927U CN 201820454707 U CN201820454707 U CN 201820454707U CN 208261927 U CN208261927 U CN 208261927U
- Authority
- CN
- China
- Prior art keywords
- knife handle
- drill bit
- front surface
- defencive function
- hollow plumbago
- 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 - Fee Related
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Abstract
The utility model discloses a kind of hollow plumbago drill bit with defencive function; including knife handle; the bottom end of the knife handle is provided with pedestal; and the outside of knife handle is cased with fixing seat; the front surface of the knife handle is provided with side blade; and the front surface of knife handle offers chip space at one side position of proximal side blade, the front surface of the knife handle opens up fluted at one side position of chip space.The utility model structure is simple; it is easy to operate; frosted grain is fixedly mounted on knife handle using special binder; it can polish the surface of workpiece; effectively eliminate burr; pointed nose has been welded in the front end of drill bit; one of annular groove is marked on the surface of workpiece in advance by pointed nose; effectively protect preceding terminal knife edge; to improve the service life of away drill cuttings; by being provided with shield in the outside of drill bit, avoids the bushel iron bits that drilling generates and disorderly splash everywhere, there is certain protectiveness.
Description
Technical field
The utility model relates to hollow plumbago field of drill more particularly to a kind of hollow plumbago brills with defencive function
Head.
Background technique
Hollow boring bit is the high efficiency drill of multi-blade ring-type cutting, and bore diameter is mainly used for from 12mm to 150mm to steel
The drilling processing of component, such as structural steelwork, rail traffic, bridge, ship, machine-building, aerospace hole machined field,
Its performance that drills is substantially better than two traditional sword fluted drills, has the characteristics that drilling efficiency is high, drilling is brisk laborsaving.
But not only structure is complicated for hollow boring bit currently on the market, but also has a single function, and cannot drill in hollow boring bit
When, flash removed of making a return journey of polishing is carried out to the inner surface of workpiece, paddle-tumble processing cannot be carried out on the surface of workpiece in advance, cannot prevented
The bushel iron bits that drilling generates, which disorderly splash, damages personnel.
Utility model content
Purpose of the utility model is to solve in the prior art cannot be when hollow boring bit drills, to the interior table of workpiece
Face carries out flash removed of making a return journey of polishing, and cannot carry out paddle-tumble processing on the surface of workpiece in advance, the bushel iron that cannot prevent drilling from generating
Bits disorderly splash the problem of damaging to personnel, and a kind of hollow plumbago drill bit with defencive function proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of hollow plumbago drill bit with defencive function, including knife handle, the bottom end of the knife handle are provided with pedestal, and knife
The outside of handle is cased with fixing seat, and the front surface of the knife handle is provided with side blade, and the front surface of knife handle leans on proximal side blade
Offer chip space at one side position, the front surface of the knife handle opens up fluted, and knife handle at one side position of chip space
Front surface frosted grain is provided with inside grooves position, the upper surface of the knife handle is provided with preceding terminal knife edge, and knife handle
Upper surface be provided with pointed nose at one side position of front end blade, the front surface of the pedestal offers location hole, described
Telescopic sleeve is installed above fixing seat, shield is installed, and the inside of telescopic sleeve is set above the telescopic sleeve
It is equipped with spring.
Preferably, the fixing seat is fixedly connected with knife handle by positioning bolt.
Preferably, the inside of the groove is coated with binder.
Preferably, the pointed nose is fixedly connected with knife handle by welding manner, and the end face of pointed nose is tapered.
Preferably, the shield is a kind of component of plastic material, and the front end face of shield is coated with Teflon layer.
Preferably, the front surface of the pedestal is provided with anti-skid chequer.
Compared with prior art, the utility model provides a kind of hollow plumbago drill bit with defencive function, have with
It is lower the utility model has the advantages that
1, the hollow plumbago drill bit with defencive function, it is fluted by being opened up on hollow plumbago drill bit, and use
Frosted grain is fixedly mounted on the inside of groove by special binder, can be polished the surface of workpiece, effective to remove
Burr.
2, the hollow plumbago drill bit with defencive function has certain taper by having welded on hollow plumbago drill bit
Pointed nose, one of annular groove is marked on the surface of workpiece in advance by pointed nose, preceding terminal knife edge is effectively protected, to mention
The high service life of away drill cuttings.
3, the hollow plumbago drill bit with defencive function, squeezes telescopic sleeve by the shield outside knife handle backward,
It avoids the bushel iron bits that drilling generates disorderly to splash everywhere, staff is damaged.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model
Structure is simple, easy to operate, and frosted grain is fixedly mounted on knife handle using special binder, can surface to workpiece into
Row polishing, effectively eliminates burr, has welded pointed nose in the front end of drill bit, is drawn in advance on the surface of workpiece by pointed nose
One of annular groove out effectively protects preceding terminal knife edge, so that the service life of away drill cuttings is improved, by the outer of drill bit
Portion is provided with shield, avoids the bushel iron bits that drilling generates and disorderly splashes everywhere, has certain protectiveness.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of hollow plumbago drill bit with defencive function structural schematic diagram；
Fig. 2 be the utility model proposes a kind of hollow plumbago drill bit with defencive function knife handle and pedestal installation tie
Structure schematic diagram；
Fig. 3 be the utility model proposes a kind of hollow plumbago drill bit with defencive function telescopic sleeve internal structure
Schematic diagram.
In figure: 1 knife handle；2, pedestal；3, fixing seat；4, location hole；5, side blade；6, chip space；7, groove；8, frosted
Grain；9, pointed nose；10, preceding terminal knife edge；11, telescopic sleeve；12, shield；13, spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-3, a kind of hollow plumbago drill bit with defencive function, including knife handle 1, the bottom end of knife handle 1 are provided with
Pedestal 2, and the outside of knife handle 1 is cased with fixing seat 3, the front surface of knife handle 1 is provided with side blade 5, and the front surface of knife handle 1 is leaned on
Chip space 6 is offered at 5 one side position of proximal side blade, the front surface of knife handle 1 offers recessed at 6 one side position of chip space
Slot 7, and the front surface of knife handle 1 is provided with frosted grain 8 at 7 interior location of groove, the upper surface of knife handle 1 is provided with front end knife
Sword 10, and the upper surface of knife handle 1 is provided with pointed nose 9 at 10 1 side position of front end blade, the front surface of pedestal 2 offers
Location hole 4, the top of fixing seat 3 are equipped with telescopic sleeve 11, and the top of telescopic sleeve 11 is equipped with shield 12, and telescopic
Pipe 11 is internally provided with spring 13.
For the ease of mounting-fixing base 3, in the present embodiment, it is preferred that fixing seat 3 is fixed with knife handle 1 by positioning bolt
Connection.
For the ease of installing frosted grain 8, in the present embodiment, it is preferred that the inside of groove 7 is coated with binder.
In order to which the surface to workpiece carries out paddle-tumble, in the present embodiment, it is preferred that pointed nose 9 and knife handle 1 pass through welding manner
It is fixedly connected, and the end face of pointed nose 9 is tapered.
The situation that punching is observed for the ease of user, in the present embodiment, it is preferred that shield 12 is a kind of plastic material
Component, and the front end face of shield 12 is coated with Teflon layer.
It takes for the convenience of the users, in the present embodiment, it is preferred that the front surface of pedestal 2 is provided with anti-skid chequer.
The working principle and process for using of the utility model: the bottom end of knife handle 1 is provided with pedestal 2, and the outer cover of knife handle 1
There is fixing seat 3, the front surface of knife handle 1 is provided with side blade 5, and the front surface of knife handle 1 is at 5 one side position of proximal side blade
Chip space 6 is offered, the front surface of knife handle 1 opens up fluted 7 at 6 one side position of chip space, uses special binder
Frosted grain 8 is fixedly mounted on to the inside of groove 7, can polish the surface of workpiece, effectively eliminate burr, knife handle
1 upper surface is provided with preceding terminal knife edge 10, and the upper surface of knife handle 1 is provided with pointed nose at 10 1 side position of front end blade
9, one of annular groove is marked on the surface of workpiece in advance by pointed nose 9, terminal knife edge 10 before effectively protecting, to improve
The service life of away drill cuttings, the front surface of pedestal 2 offer location hole 4, and the top of fixing seat 3 is equipped with telescopic sleeve 11,
The top of telescopic sleeve 11 is equipped with shield 12, and telescopic sleeve 11 is internally provided with spring 13, the front end on knife handle 1
When blade 10 creeps into inside workpiece, the shield 12 outside knife handle 1 squeezes telescopic sleeve 11 backward, avoids the broken of drilling generation
Iron filings disorderly splash everywhere, damage to staff.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of hollow plumbago drill bit with defencive function, including knife handle (1), which is characterized in that the bottom end of the knife handle (1)
It is provided with pedestal (2), and the outside of knife handle (1) is cased with fixing seat (3), the front surface of the knife handle (1) is provided with side blade
(5), and the front surface of knife handle (1) offers chip space (6) at (5) one side position of proximal side blade, before the knife handle (1)
Surface opens up fluted (7) at (6) one side position of chip space, and the front surface of knife handle (1) is close to groove (7) interior location
Place is provided with frosted grain (8), and the upper surface of the knife handle (1) is provided with preceding terminal knife edge (10), and the upper surface of knife handle (1) is close
It is provided with pointed nose (9) at preceding (10) one side position of terminal knife edge, the front surface of the pedestal (2) offers location hole (4), described
It is equipped with above fixing seat (3) telescopic sleeve (11), shield (12) is installed above the telescopic sleeve (11), and stretch
Heat-Shrinkable Tubings (11) are internally provided with spring (13).
2. a kind of hollow plumbago drill bit with defencive function according to claim 1, which is characterized in that the fixing seat
(3) it is fixedly connected with knife handle (1) by positioning bolt.
3. a kind of hollow plumbago drill bit with defencive function according to claim 1, which is characterized in that the groove
(7) inside is coated with binder.
4. a kind of hollow plumbago drill bit with defencive function according to claim 1, which is characterized in that the pointed nose
(9) it is fixedly connected with knife handle (1) by welding manner, and the end face of pointed nose (9) is tapered.
5. a kind of hollow plumbago drill bit with defencive function according to claim 1, which is characterized in that the shield
It (12) is a kind of component of plastic material, and the front end face of shield (12) is coated with Teflon layer.
6. a kind of hollow plumbago drill bit with defencive function according to claim 1, which is characterized in that the pedestal
(2) front surface is provided with anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820454707.3U CN208261927U (en) | 2018-04-02 | 2018-04-02 | A kind of hollow plumbago drill bit with defencive function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820454707.3U CN208261927U (en) | 2018-04-02 | 2018-04-02 | A kind of hollow plumbago drill bit with defencive function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208261927U true CN208261927U (en) | 2018-12-21 |
Family
ID=64677167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820454707.3U Expired - Fee Related CN208261927U (en) | 2018-04-02 | 2018-04-02 | A kind of hollow plumbago drill bit with defencive function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208261927U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644810A (en) * | 2020-05-22 | 2020-09-11 | 吴明伟 | Manufacturing process of U-shaped aluminum pipe |
| CN113118517A (en) * | 2021-04-16 | 2021-07-16 | 董希仁 | Hollow positioning drill bit |
-
2018
- 2018-04-02 CN CN201820454707.3U patent/CN208261927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644810A (en) * | 2020-05-22 | 2020-09-11 | 吴明伟 | Manufacturing process of U-shaped aluminum pipe |
| CN113118517A (en) * | 2021-04-16 | 2021-07-16 | 董希仁 | Hollow positioning drill bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20190402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |