CN205694724U - A kind of drill bit - Google Patents
A kind of drill bit Download PDFInfo
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- CN205694724U CN205694724U CN201620614723.5U CN201620614723U CN205694724U CN 205694724 U CN205694724 U CN 205694724U CN 201620614723 U CN201620614723 U CN 201620614723U CN 205694724 U CN205694724 U CN 205694724U
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- cutting edge
- drill bit
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Abstract
This utility model belongs to economic field of forestry, and a kind of drill bit, including main drill bit, clamping screw, centre drill, main drill bit is by left cutting edge, right cutting edge, drillstock forms, the annexation of drill bit is: the tail end of start drill is connected with the centre bore of drillstock, and by clamping screw fastening locking, the afterbody of left cutting edge is fixing with drillstock front end to be connected, the afterbody of right cutting edge is fixing with drillstock front end to be connected, and the rear end of drillstock is connected with the transmission axle of power source.Left cutting edge and right cutting edge cutting pinaster, the front end of left cutting edge and one hollow flow-guiding groove of front end formation of right cutting edge, the discharge wood flour of water conservancy diversion to greatest extent of hollow flow-guiding groove, implementing technical purpose is that drilling efficiency improves, and cost of labor reduces.
Description
Technical field
This utility model belongs to economic field of forestry, particularly relates to the drill bit of a kind of boring machine gathering resin.
Background technology
Gathering Colophonium from pinaster, existing technology has: rush fat agent that a kind of Colophonium acquisition method and the method use and
The preparation method of this rush fat agent, publication date: 2012-06-13, application number: 20111037888.4, disclose a kind of acquisition method,
Resin tapping pinaster sprays the pretreatment of jasmine formicester, and face is pruned fat tree skin, makes face to be tapped, and next year then continues to open to cut；
Resin tapping work needs to add a cutter in every 2 to 3 days；Weak point is that efficiency is low.Disclosed in another, patent is: a kind of Colophonium collection and system
The device and method of standby liquid hydrocarbon fuel, publication date: 2014-03-26, application number: 201310673150.4, adopted by boring
Fat method and siphon principle are from the internal directly resin tapping of plant, and the Colophonium of collection is directly entered hydrogen-manufacturing reactor, and weak point is each
Pinaster installs a reactor, and cost is high, and on mountain, this work is implemented in forest zone, and road transport, power transmission, maintenance of equipment are all
Difficult, be not suitable for large-scale production processing.A kind of novel hand-held borehole tapping machine, publication date: 2014-06-11, application
Number: 201330719426.3, disclose a kind of brill fat machine, be made up of, before bore cutter miniature gasoline engine and bore operation two parts
End fixed center is bored；Using on the spot through forest zone, find that existing bore cutter efficiency is low, cutting edge angle is unreasonable, the wood flour cut
Get rid of the most smooth, need appropriate design one drill bit, and design guiding gutter quickly gets rid of the wood flour cut, and improves boring effect
Rate, saves cost of labor.
Summary of the invention
In place of overcoming existing collection Colophonium technical deficiency, reducing face, increasing yield, improving the quality of Colophonium
Under premise, increase economic benefit, invent a kind of Colophonium that gathers and bore the drill bit of fat machine.
A kind of drill bit, it is characterised in that: described drill bit includes main drill bit, clamping screw, centre drill, and main drill bit is by left cut
Cutting sword, right cutting edge, drillstock forms, and the annexation of drill bit is: the tail end of start drill coordinates with the centre bore of drillstock even
Connecing, by clamping screw fastening locking, the afterbody of left cutting edge is fixing with drillstock front end to be connected, before the afterbody of right cutting edge and drillstock
End is fixing to be connected, and the rear end of drillstock is connected with the transmission axle of power source.
Described centre drill is start drill, and start drill installation site is in the center of drillstock, the centre of location
Bore front end and exceed left cutting edge and 5-10 centimetre, right cutting edge front end, the drill lip of start drill and left cutting edge and right cutting edge
Do not contact.Described left cutting edge and right cutting edge are to be symmetrically and fixedly mounted on drillstock.The front end of described left cutting edge is
Cutting edge shape, the width of cutting edge is 5 millimeters, and the angle of inclination of left cutting edge is to become 7.5 with centre drill axis direction vertical
± 2.5 degree of angles.The front end of described right cutting edge is cutting edge shape, and the width of cutting edge is 5 millimeters, the inclination of right cutting edge
Angle is to become 7.5 ± 2.5 degree of angles with centre drill axis direction vertical.Shape inside the blade of the front end of described left cutting edge
Shape, is to be bonded by two circular arc lines and straight line, and circular arc topmost is R10 millimeter, and middle circular arc is R5 millimeter, with
Middle circular sliding slopes is straight line.The blade inner shape of the front end of described right cutting edge, is straight by two circular arc lines and one
Line is bonded, and circular arc topmost is R10 millimeter, and middle circular arc is R5 millimeter, is straight line with middle circular sliding slopes.Described
The front end of left cutting edge and the front end of right cutting edge form a hollow flow-guiding groove, and the Breadth Maximum of hollow flow-guiding groove is 9 millimeters.
Described clamping screw is M8X20, and unit is millimeter.Described centre drill is Φ 7, and unit is millimeter.
This utility model one drill bit, is arranged on novel hand-held borehole tapping machine, publication date: 2014-06-11, application
Number: 201330719426.3, it is made up of miniature gasoline engine and bore operation two parts, the drillstock of the drill bit of the present invention and engine
Transmission main shaft be connected, it is thus achieved that power, implement boring technical purpose.
This utility model one drill bit, notable technological progress and obvious benefit be: the technical scheme of drill bit is to use to pass through
The preferred drill bit structure that a large amount of practice statistics draw designs and reasonable size, and technology path is centre drill location, left cutting edge
Cutting pinaster with right cutting edge, the front end of left cutting edge and the front end of right cutting edge form a hollow flow-guiding groove, hollow flow-guiding
The water conservancy diversion to greatest extent of groove discharges wood flour, and implementing technical purpose is that drilling efficiency improves, and cost of labor reduces.
Accompanying drawing explanation
Fig. 1. drill bit front view schematic diagram.
Fig. 2. drill bit side view schematic diagram.
Fig. 3. drill bit blade partial illustration is intended to.
Fig. 4. drill bit axonometric chart schematic diagram.
In figure: main drill bit 1, left cutting edge 1-1, right cutting edge 1-2, drillstock 1-3, clamping screw 2, centre drill 3.
Detailed description of the invention
This utility model patent one drill bit is implemented when gathering Colophonium in pinaster forest zone.
Embodiment one
A kind of drill bit, it is characterised in that: described drill bit includes main drill bit 1, clamping screw 2, centre drill 3, main drill bit 1 by
Left cutting edge 1-1, right cutting edge 1-2, drillstock 1-3 composition, the annexation of drill bit is: the tail end of start drill 3 and drillstock
The centre bore of 1-3 is connected, clamping screw 2 fasten locking, and the afterbody of left cutting edge 1-1 is fixing with drillstock 1-3 front end even
Connecing, the afterbody of right cutting edge 1-2 is fixing with drillstock 1-3 front end to be connected, and the rear end of drillstock 1-3 coordinates with the transmission axle of power source even
Connect.
Described centre drill 3 is start drill 3, and start drill 3 installation site is in the center of drillstock 1-3, fixed
Centre drill 3 front end, position exceeds left cutting edge 1-1 and 5-10 centimetre, right cutting edge 1-2 front end, the drill lip of start drill 3 and left cut
Cut sword 1-1 not contact with right cutting edge 1-2.Described left cutting edge 1-1 and right cutting edge 1-2 is to be symmetrically and fixedly mounted to drillstock
On 1-3.The front end of described left cutting edge 1-1 is cutting edge shape, and the width of left cutting edge 1-1 is 5 millimeters, left cutting edge 1-1
Angle of inclination be to become 7.5 degree of angles with centre drill 3 axis direction vertical.The front end of described right cutting edge 1-2 is blade
Shape, the width of right cutting edge 1-2 is 5 millimeters, and the angle of inclination of right cutting edge 1-2 is and centre drill 3 axis direction vertical
Become 7.5 degree of angles.The blade inner shape of the front end of described left cutting edge 1-1, is to be tied by two circular arc lines and straight line
Closing and constitute, circular arc topmost is R10 millimeter, and middle circular arc is R5 millimeter, is straight line with middle circular sliding slopes.Described right cut
Cutting the blade inner shape of the front end of sword 1-2, be to be bonded by two circular arc lines and straight line, circular arc topmost is
R10 millimeter, middle circular arc is R5 millimeter, is straight line with middle circular sliding slopes.Front end and the right cut of described left cutting edge 1-1 are cut
The front end of sword 1-2 forms a hollow flow-guiding groove, and the Breadth Maximum of hollow flow-guiding groove is 9 millimeters.Described clamping screw 2 is
M8X20, unit is millimeter.Described centre drill is Φ 7, and unit is millimeter.
Embodiment two
The angle of inclination of left cutting edge 1-1 is to become 10 degree of angles with centre drill axis direction vertical, right cutting edge 1-2's
Angle of inclination is to become 10 degree of angles with centre drill 3 axis direction vertical.Remaining is with embodiment one.Repeat no more.
Embodiment three
The angle of inclination of left cutting edge 1-1 is to become 5 degree of angles with centre drill axis direction vertical, right cutting edge 1-2's
Angle of inclination is to become 5 degree of angles with centre drill 3 axis direction vertical.Remaining is with embodiment one.Repeat no more.
The drillstock 1-3 of the drill bit of the present invention is connected with the transmission main shaft of engine, it is thus achieved that power, implements the skill of boring
Art purpose.
Claims (10)
1. a drill bit, it is characterised in that: described drill bit includes main drill bit, clamping screw, centre drill, and main drill bit is cut by left cut
Sword, right cutting edge, drillstock forms, and the annexation of drill bit is: the tail end of start drill is connected with the centre bore of drillstock,
By clamping screw fastening locking, the afterbody of left cutting edge is fixing with drillstock front end to be connected, the afterbody of right cutting edge and drillstock front end
Fixing connection, the rear end of drillstock is connected with the transmission axle of power source.
2. a kind of drill bit as claimed in claim 1, it is characterised in that: described centre drill is start drill, the centre of location
Brill installation site is in the center of drillstock, and start drill front end exceeds left cutting edge and 5-10 centimetre, right cutting edge front end,
The drill lip of start drill does not contacts with left cutting edge and right cutting edge.
3. a kind of drill bit as claimed in claim 1, it is characterised in that: described left cutting edge and right cutting edge are symmetrical fixing
It is arranged on drillstock.
4. a kind of drill bit as claimed in claim 1, it is characterised in that: the front end of described left cutting edge is cutting edge shape, cuts
The width cutting sword is 5 millimeters, and the angle of inclination of left cutting edge is to become 7.5 ± 2.5 degree of angles with centre drill axis direction vertical.
5. a kind of drill bit as claimed in claim 1, it is characterised in that: the front end of described right cutting edge is cutting edge shape, cuts
The width cutting sword is 5 millimeters, and the angle of inclination of right cutting edge is to become 7.5 ± 2.5 degree of angles with centre drill axis direction vertical.
6. a kind of drill bit as claimed in claim 1, it is characterised in that: shape inside the blade of the front end of described left cutting edge
Shape, is to be bonded by two circular arc lines and straight line, and circular arc topmost is R10 millimeter, and middle circular arc is R5 millimeter, with
Middle circular sliding slopes is straight line.
7. a kind of drill bit as claimed in claim 1, it is characterised in that: shape inside the blade of the front end of described right cutting edge
Shape, is to be bonded by two circular arc lines and straight line, and circular arc topmost is R10 millimeter, and middle circular arc is R5 millimeter, with
Middle circular sliding slopes is straight line.
A kind of drill bit the most as claimed in claims 6 or 7, it is characterised in that: the front end of described left cutting edge and right cutting edge
Front end formed a hollow flow-guiding groove, the Breadth Maximum of hollow flow-guiding groove is 9 millimeters.
9. a kind of drill bit as claimed in claim 1, it is characterised in that: described clamping screw is M8X20, and unit is millimeter.
10. a kind of drill bit as claimed in claim 1, it is characterised in that: described centre drill is Φ 7, and unit is millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620614723.5U CN205694724U (en) | 2016-06-22 | 2016-06-22 | A kind of drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620614723.5U CN205694724U (en) | 2016-06-22 | 2016-06-22 | A kind of drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205694724U true CN205694724U (en) | 2016-11-23 |
Family
ID=57316743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620614723.5U Active CN205694724U (en) | 2016-06-22 | 2016-06-22 | A kind of drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205694724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105830862A (en) * | 2016-06-22 | 2016-08-10 | 周健 | Drill bit |
-
2016
- 2016-06-22 CN CN201620614723.5U patent/CN205694724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105830862A (en) * | 2016-06-22 | 2016-08-10 | 周健 | Drill bit |
| CN105830862B (en) * | 2016-06-22 | 2019-01-11 | 周健 | A kind of acquisition rosin bores the drill bit of rouge machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |