CN209579876U - It is a kind of for processing the solid center bit of coaxial diplopore - Google Patents
It is a kind of for processing the solid center bit of coaxial diplopore Download PDFInfo
- Publication number
- CN209579876U CN209579876U CN201821856559.4U CN201821856559U CN209579876U CN 209579876 U CN209579876 U CN 209579876U CN 201821856559 U CN201821856559 U CN 201821856559U CN 209579876 U CN209579876 U CN 209579876U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- tungsten steel
- steel blade
- blade
- bit
- 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.)
- Active
Links
Landscapes
- Drilling Tools (AREA)
Abstract
The utility model discloses a kind of for processing the solid center bit of coaxial diplopore, including the first drill bit, first drill bit top is installation axle, lower part is the first drilling part, it further include the second drill bit, second drill bit includes connector sleeve and the second drilling part, second drilling part is fixedly connected on the connector sleeve lower part, the center of the connector sleeve and second drilling part is equipped with connecting hole up and down, first drill bit passes through the connecting hole, and is fixedly connected with second drill bit.The utility model can disposably process the inside and outside coaxial diplopore of interior walls be smooth, easy to use, and processing efficiency and machining accuracy are high.
Description
Technical field
It is especially a kind of for processing the solid center bit of coaxial diplopore the utility model relates to field of drill.
Background technique
Drill bit is the pith of carpenter's electric drill, can drill out hole of different shapes by the drill bit for replacing different.In
During timber work, it is often necessary to concentric diplopore is processed, for example, needing sometimes in the installation process of door and window lock body and handle
Small-sized cylindrical seat is hidden and is mounted on inside door and window, needs to drill out concentric interior exit orifice on door and window, inner hole is for inserting
Enter and be driven square shaft, exit orifice can not disposably realize adding for coaxial double-pore structure for being embedded in installation cylindrical seat, current drill bit
Work needs to bore inner hole and exit orifice in two times, and cumbersome, the concentricity in two holes is also poor, in addition, what current drill bit was processed
Hole inner wall is crude, is unable to satisfy the higher occasion of some required precisions.
Utility model content
In order to overcome drawbacks described above, the utility model provide it is a kind of for processing the solid center bit of coaxial diplopore, can be with one
Secondary property processes the inside and outside coaxial diplopore of interior walls be smooth.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of for processing the carpenter of coaxial diplopore
Drill bit, including the first drill bit, first drill bit top are installation axle, and it further includes the second drill bit that lower part, which is the first drilling part,
Second drill bit includes connector sleeve and the second drilling part, and second drilling part is fixedly connected under the connector sleeve
The center of portion, the connector sleeve and second drilling part is equipped with connecting hole up and down, and first drill bit is worn
The connecting hole is crossed, and is fixedly connected with second drill bit.
Above-mentioned is a kind of for processing the solid center bit of coaxial diplopore, and the connector sleeve is equipped with radial tapped through hole,
Interior hexagonal tightening stud is housed inside the tapped through hole, is held out against after the interior hexagonal tightening screwing up stud in the installation axle
Side.
Above-mentioned is a kind of for processing the solid center bit of coaxial diplopore, and the installation axle side wall is equipped with logical with the screw thread
The corresponding locating slot in hole site is held out against in the locating slot after the interior hexagonal tightening screwing up stud.
Above-mentioned is a kind of for processing the solid center bit of coaxial diplopore, and first drill bit bottom is fixed with the first wolfram steel knife
Piece, second drill bit bottom are fixed with the second tungsten steel blade and third tungsten steel blade, and the blade of first tungsten steel blade exists
Bottom and two sides, second tungsten steel blade are mounted on the marginal position of second drill bit bottom, second tungsten steel blade
Bottom is sharp, blade being arranged radially along second drill bit of the third tungsten steel blade, the third tungsten steel blade blade
Inside extends to the side wall of the connecting hole.
Above-mentioned is a kind of for processing the solid center bit of coaxial diplopore, and the width of first tungsten steel blade is not less than described
The diameter of virtual cylinder where first drill bit, the central axis of the second tungsten steel blade bottom tip to second drill bit away from
Central axis from the outermost end with the third tungsten steel blade bottom cutting edge to second drill bit is equidistant, and not small
The radius of virtual cylinder where second drill bit.
It is above-mentioned a kind of for processing the solid center bit of coaxial diplopore, first tungsten steel blade by way of brazing with
First drill bit is fixed, and second tungsten steel blade and the third tungsten steel blade are also by way of brazing with described the
Two drill bits are fixed.
The utility model has the following advantages that and high-lighting effect compared with prior art:
The utility model has the beneficial effects that the utility model can disposably process the inside and outside coaxial double of interior walls be smooth
Hole, easy to use, processing efficiency and machining accuracy are high, can dismantle the second drill bit as needed, realize normal drill bit and double hole drill
Switching between head, it is flexible and convenient to use, when wearing more serious, only it need to be heated with oxy-acetylene spray gun and unload three wolfram steel knives
The upper new blade of welding can be used continuously again after piece, not need integral replacing drill bit, long service life, and maintenance cost is low.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is utility model diagram；
Fig. 2 is the schematic diagram of the first drill bit；
Fig. 3 is the schematic diagram of the second drill bit；
Fig. 4 is the schematic diagram in the hole of the utility model solid center bit processing.
1. first drill bit in figure, 2. second drill bits, 11. installation axles, 12. first drilling parts, 13. locating slots, 14. first
Tungsten steel blade, 21. connector sleeves, 22. second drilling parts, 23. connecting holes, hexagonal tightening stud in 24., 25. second wolfram steel knives
Piece, 26. third tungsten steel blades.
Specific embodiment
It is a kind of for processing the solid center bit of coaxial diplopore, including the first drill bit 1,1 top of the first drill bit is installation
Axis 11, lower part are the first drilling part 12, further include the second drill bit 2, and second drill bit 2 includes connector sleeve 21 and the second drilling
Part 22, second drilling part 22 are fixedly connected on 21 lower part of connector sleeve, and the connector sleeve 21 and described second are bored
The center of part 22 is cut equipped with connecting hole 23 up and down, first drill bit 1 passes through the connecting hole 23, and and institute
The second drill bit 2 is stated to be fixedly connected.
Further, the connector sleeve 21 is equipped with radial tapped through hole, and interior hexagonal is housed inside the tapped through hole
Tightening stud 24,11 side wall of installation axle be equipped with locating slot 13 corresponding with the tapped through hole position, it is described in six
Angle tightening stud 24 is held out against after tightening in the locating slot 13.
Further, 1 bottom of the first drill bit is fixed with the first tungsten steel blade 14, and 2 bottom of the second drill bit is fixed
There are the second tungsten steel blade 25 and a third tungsten steel blade 26, the blade of first tungsten steel blade 14 is in bottom and two sides, and described
Two tungsten steel blades 25 are mounted on the marginal position of 2 bottom of the second drill bit, and 25 bottom of the second tungsten steel blade is sharp, described
The blade of third tungsten steel blade 26 is arranged radially along second drill bit 2, is extended on the inside of 26 blade of third tungsten steel blade
To the side wall of the connecting hole 23.
Further, the width of first tungsten steel blade 14 is equal to the diameter of the 1 place virtual cylinder of the first drill bit,
The distance of central axis of second tungsten steel blade, 25 bottom tip to second drill bit 2 and 26 bottom of third tungsten steel blade
The central axis of the outermost end of portion's blade to second drill bit 2 is equidistant, and is equal to virtual where second drill bit 2
The radius of cylinder.
Further, first tungsten steel blade 14 is fixed with first drill bit 1 by way of brazing, and described second
Tungsten steel blade 25 and the third tungsten steel blade 26 are also fixed with second drill bit 2 by way of brazing.
When utility model works, solid center bit is fixed on electric drill by installation axle 11, when drilling, the first drill bit 1
Inner hole is bored on material and drills out concentric exit orifice on material after the second drill bit 2 touches material, can dismantle as needed
Two drill bits 2, realize the switching between normal drill bit and diplopore drill bit, and the blade and material of the first tungsten steel blade 14 drill out light
Sliding inner hole, the second tungsten steel blade 25 plays the role of marking wire casing on material, it is possible to prevente effectively from third tungsten steel blade 26 is cut
Because of burr and rough problem caused by material radially subtle out-of-flatness fracture when cutting, guarantee smooth, the third of exit orifice side wall
The blade of tungsten steel blade 26 and material drill out smooth exit orifice, when drilling, the first tungsten steel blade 14,25 and of the second tungsten steel blade
Third tungsten steel blade 26 effectively can replace the first drilling part 12 and the second drilling part 22 to wear, when wearing more serious, only
It need to be heated with oxy-acetylene spray gun and unload after three tungsten steel blades that the upper new blade of welding can be used continuously again, do not needed whole
Body more bit change.
Above embodiments are only the exemplary embodiment of the utility model, are not used in limitation the utility model, this is practical new
The protection scope of type is defined by the claims.Those skilled in the art can be in the essence and protection scope of the utility model
It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling in originally practical new
In the protection scope of type.
Claims (6)
1. a kind of for processing the solid center bit of coaxial diplopore, including the first drill bit (1), the first drill bit (1) top is peace
It fills axis (11), lower part is the first drilling part (12), which is characterized in that it further include the second drill bit (2), second drill bit (2)
Including connector sleeve (21) and the second drilling part (22), second drilling part (22) is fixedly connected on the connector sleeve (21)
The center of lower part, the connector sleeve (21) and second drilling part (22) is equipped with connecting hole (23) up and down,
First drill bit (1) passes through the connecting hole (23), and is fixedly connected with second drill bit (2).
2. according to claim 1 a kind of for processing the solid center bit of coaxial diplopore, which is characterized in that the connector sleeve
(21) it is equipped with radial tapped through hole, interior hexagonal tightening stud (24) is housed inside the tapped through hole, the interior hexagonal is tight
Determine to hold out against after stud (24) is tightened in the side of the installation axle (11).
3. according to claim 2 a kind of for processing the solid center bit of coaxial diplopore, which is characterized in that the installation axle
(11) side wall is equipped with locating slot (13) corresponding with the tapped through hole position, and the interior hexagonal tightening stud (24) is tightened
After hold out against in the locating slot (13).
4. according to claim 1 a kind of for processing the solid center bit of coaxial diplopore, which is characterized in that described first bores
Head (1) bottom is fixed with the first tungsten steel blade (14), and the second drill bit (2) bottom is fixed with the second tungsten steel blade (25) and the
Three tungsten steel blades (26), the blade of first tungsten steel blade (14) is in bottom and two sides, the second tungsten steel blade (25) peace
Marginal position mounted in the second drill bit (2) bottom, the second tungsten steel blade (25) bottom is sharp, the third wolfram steel knife
Blade being arranged radially along the second drill bit (2) of piece (26), third tungsten steel blade (26) the blade inside extend to institute
State the side wall of connecting hole (23).
5. according to claim 4 a kind of for processing the solid center bit of coaxial diplopore, which is characterized in that first tungsten
Diameter of the width of steel blade (14) not less than virtual cylinder where first drill bit (1), second tungsten steel blade (25)
Bottom tip to second drill bit (2) central axis distance and the third tungsten steel blade (26) bottom cutting edge outermost end
Central axis to second drill bit (2) is equidistant, and not less than half of virtual cylinder where second drill bit (2)
Diameter.
6. according to claim 4 or 5 a kind of for processing the solid center bit of coaxial diplopore, which is characterized in that described
One tungsten steel blade (14) is fixed with first drill bit (1) by way of brazing, second tungsten steel blade (25) and described
Third tungsten steel blade (26) is also fixed with second drill bit (2) by way of brazing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821856559.4U CN209579876U (en) | 2018-11-12 | 2018-11-12 | It is a kind of for processing the solid center bit of coaxial diplopore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821856559.4U CN209579876U (en) | 2018-11-12 | 2018-11-12 | It is a kind of for processing the solid center bit of coaxial diplopore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209579876U true CN209579876U (en) | 2019-11-05 |
Family
ID=68376573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821856559.4U Active CN209579876U (en) | 2018-11-12 | 2018-11-12 | It is a kind of for processing the solid center bit of coaxial diplopore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209579876U (en) |
-
2018
- 2018-11-12 CN CN201821856559.4U patent/CN209579876U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204639254U (en) | A kind of carbide drill reaming and milling composite cutter | |
| CN102198535A (en) | Combined composite blade composite drilling and milling cutter | |
| CN202169397U (en) | Drilling and milling combined tool with combined cutting edges | |
| CN209579876U (en) | It is a kind of for processing the solid center bit of coaxial diplopore | |
| CN204686054U (en) | The floating boring cutter of a kind of non-magnetic drilling tool deep hole machining | |
| CN208178515U (en) | A kind of hollow workpiece guiding fluted drill | |
| CN208895251U (en) | Molding cutter for hole machined | |
| CN214134134U (en) | High-strength drill bit for numerically controlled lathe | |
| CN211071950U (en) | Two-sided spacing drilling rod of interchangeable point of drilling of passing locking to one side | |
| CN114226812A (en) | Self-advancing efficient drill bit structure | |
| CN211071949U (en) | Double-sided limiting inclined-penetrating locking head-changing drill | |
| CN110732708A (en) | Double-sided limiting inclined-penetrating locking head-changing drill | |
| CN204159940U (en) | Head-exchangeable fluted drill | |
| CN203725845U (en) | Deep hole spiral chip removal drill | |
| CN206500881U (en) | Interior chip removal vibration-resistant tool bar | |
| CN204867559U (en) | Use special milling cutter drill bit of convenient quick type processing curved surface | |
| CN205341959U (en) | Follow -on spiral line cutter | |
| CN214684409U (en) | Detachable drill bit | |
| CN104889459A (en) | Cutter | |
| CN201950251U (en) | Center drill bit | |
| CN212976854U (en) | Cylinder sleeve processing drill bit | |
| CN211101745U (en) | Double-end center drill for machining steel part gear shaft positioning hole | |
| CN204194894U (en) | A kind of platform reaming spiral bit continuously | |
| CN214417735U (en) | Single-hole limiting inclined-penetrating locking head-changing drill rod | |
| CN211464931U (en) | Hard straight shank alloy drill bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |