CN206689497U - A kind of fluted drill - Google Patents
A kind of fluted drill Download PDFInfo
- Publication number
- CN206689497U CN206689497U CN201720244300.3U CN201720244300U CN206689497U CN 206689497 U CN206689497 U CN 206689497U CN 201720244300 U CN201720244300 U CN 201720244300U CN 206689497 U CN206689497 U CN 206689497U
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- CN
- China
- Prior art keywords
- hole
- drill bit
- drillstock
- helicla flute
- jut
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Abstract
The utility model provides a kind of fluted drill,More particularly to field of mechanical technique,Including drill bit,Drillstock,Screw bolt and nut,Drill bit is connected with drillstock by screw bolt and nut,Drill bit is provided with helicla flute,Jut and first through hole,At least offered on drill bit a spiral loop around helicla flute,Portion is conformed with helicla flute,Jut is V-arrangement,The height of jut is less than the depth of helicla flute,The cell wall of helicla flute is provided with some first through hole,One end of drill bit is radially additionally provided with two the second through holes,Circular hole is additionally provided with drillstock,Third through-hole and circular groove,Circular hole is located inside one end of drillstock,Drillstock is radially provided with two third through-holes,Circular groove is located at the both ends of third through-hole,One end of drill bit is inserted into circular hole,Circular groove,Second through hole is consistent with the center line of third through-hole,The utility model has radiating effect preferable,Chip removal effect is good,Service life is grown,Save material,The advantages of being convenient for changing.
Description
Technical field
The utility model belongs to field of mechanical technique, and in particular to a kind of fluted drill.
Background technology
At present, during the spiral bit deep hole machining of most standard, chip removal is more difficult, the multiple reprocessabilty hole of palpus, causes to bore
The lost of life of head, drill bit needs to change, cumbersome when more bit change, and in Twist Drill, fluted drill
Drill bit can produce substantial amounts of heat, can influence cutting-tool's used life.
A kind of spiral bit (publication No. of patent：CN204075316U, date of publication：2015-01-07), a kind of fiber crops are disclosed
Flower drill bit, it solves the problems such as existing spiral bit service life is short.This spiral bit includes shank and blade, and blade is at least
Offer a spiral loop around helicla flute, there is spiral reinforcement in helicla flute, the height of reinforcement is less than spiral
The depth and reinforcement of groove symmetrically separate helicla flute, and blade has axially extending inserting end, and inserting end offers and spiral
The chip area and the top of inserting end that groove is connected are in coniform, if it is circumferentially equally distributed that arterial highway is offered at the top of inserting end
Cutting edge, this spiral bit have the advantages that service life is long, cutting effect is good, and the utility model does not consider to radiate and facilitated more
The problems such as changing.
Therefore, it is preferable to be badly in need of a kind of radiating effect, chip removal effect is good, service life length, saves material, the fiber crops being convenient for changing
Flower bores.
Utility model content
The problems such as in order to solve fluted drill radiating, chip removal and be convenient for changing, the purpose of this utility model is to provide a kind of fiber crops
Flower bores, and preferable with radiating effect, chip removal effect is good, service life length, material is saved, the advantages of being convenient for changing.
The utility model provides following technical scheme：
A kind of fluted drill, including drill bit, drillstock, screw bolt and nut, the drill bit and the drillstock by the bolt and
The nut connection, the drill bit are provided with helicla flute, jut and first through hole, a spiral shell are at least offered on the drill bit
The circular helicla flute of shape is revolved, is provided with the jut in the helicla flute, the jut is V-arrangement, the V of the jut
Shape is sophisticated consistent with the cephalad direction of the drill bit, and the height of the jut is less than the depth of the helicla flute, the spiral
The cell wall of groove is provided with some first through hole, and one end of the drill bit is radially additionally provided with two the second through holes, the brill
Circular hole, third through-hole and circular groove are additionally provided with handle, the circular hole is located inside one end of the drillstock, the footpath of the drillstock
Two third through-holes are provided with upwards, the circular groove is located at the both ends of the third through-hole, and one end of the drill bit is inserted
Enter into the circular hole, the circular groove, second through hole are consistent with the center line of the third through-hole, and described second is logical
The bolt is provided with hole and the third through-hole, one end of the bolt is provided with the nut being engaged.
The drill bit is fixedly connected with the drillstock with the bolt with the nut, in the bit damage conveniently more
Change, it is only necessary to change the drill bit, the drillstock saves material without changing.
Preferably, the angle of the jut V-arrangement opening is 30-60 degree, and the setting of the jut adds the brill
The structural strength of head, the drill bit is born larger shearing force and cutting reaction force, extend service life, through examination
Test that the angle of the jut V-arrangement opening drill bit structure intensity when 30-60 spends is best, and the jut is arranged on brill
Shunting action is may also function as during hole, increases chip removal fluency, reduces chip blocked force so that drilling is faster, high in machining efficiency.
Preferably, the diameter of second through hole and the diameter of the third through-hole are equal, second through hole and described
The setting of third through-hole is convenient to fix the drill bit and the drillstock with the bolt and the nut.
Preferably, it is vertical between two third through-holes between two second through holes, two described second
Setting vertical between two third through-holes makes the fixation of the drill bit and the drillstock more firm between through hole.
Preferably, the angle of inclination between the cell wall of the first through hole and the helicla flute is 15-30 degree, described first
The setting of through hole makes to make caused heat be easier to shed during the bit operation, and radiating effect is more preferable, and extending the drill bit makes
Use the life-span.
Preferably, the first through hole is uniformly distributed on the cell wall of the helicla flute.
The beneficial effects of the utility model are：Radiating effect is preferable；Chip removal effect is good；Service life is grown；Save material；Side
Just change.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is drill bit schematic diagram described in the utility model；
Fig. 2 is drillstock schematic diagram described in the utility model；
Fig. 3 is the utility model structure diagram；
In figure mark for：1st, drill bit；11st, helicla flute；12nd, jut；13rd, first through hole；14th, the second through hole；2nd, bore
Handle；21st, circular hole；22nd, third through-hole；23rd, circular groove；3rd, bolt；4th, nut.
Embodiment
As Figure 1-3, a kind of fluted drill, including drill bit 1, drillstock 2, bolt 3 and nut 4, drill bit 1 and drillstock 2 pass through
Bolt 3 and nut 4 connect, and drill bit 1 is provided with helicla flute 11, jut 12 and first through hole 13, is at least offered on drill bit 1
One spiral loop around helicla flute 11, be conformed with portion 12 in helicla flute 11, jut 12 is V-arrangement, the V-arrangement of jut 12
Tip is consistent with the cephalad direction of drill bit 1, the height of jut 12 less than helicla flute 11 depth, on the cell wall of helicla flute 11
Provided with some first through hole 13, one end of drill bit 1 is radially additionally provided with two the second through holes 14, be additionally provided with drillstock 2 circular hole 21,
Third through-hole 22 and circular groove 23, circular hole 21 are located inside one end of drillstock 2, and drillstock 2 is radially provided with two threeways
Hole 22, circular groove 23 are located at the both ends of third through-hole 22, and one end of drill bit 1 is inserted into circular hole 21, circular groove 23, second
Through hole 14 is consistent with the center line of third through-hole 22, and bolt 3, one end of bolt 3 are provided with the second through hole 14 and third through-hole 22
Provided with the nut 4 being engaged.
Drill bit 1 is fixedly connected with drillstock 2 with bolt 3 with nut 4, is convenient for changing when drill bit 1 damages, it is only necessary to is changed and is bored
First 1, drillstock 2 saves material without changing.
The angle of jut 12V shape openings is 30-60 degree, and the setting of jut 12 adds the structural strength of drill bit 1, made
Drill bit 1 can bear larger shearing force and cutting reaction force, extend service life, through testing jut 12V shape openings
Angle when 30-60 spends the structural strength of drill bit 1 it is best, jut 12 may also function as shunting action when being arranged on drilling, increase
Add chip removal fluency, reduce chip blocked force so that drilling is faster, high in machining efficiency.
The diameter of second through hole 14 and the diameter of third through-hole 22 are equal, the setting side of the second through hole 14 and third through-hole 22
Just bolt 3 and the fixed drill bit 1 of nut 4 and drillstock 2 are used.
It is vertical between two third through-holes 22 between two the second through holes 14, between two the second through holes 14 and two
Vertical setting makes the fixation of drill bit 1 and drillstock 2 more firm between third through-hole 22.
Angle of inclination between the cell wall of first through hole 13 and helicla flute 11 is 15-30 degree, and the setting of first through hole 13 makes
Drill bit 1 makes caused heat be easier to shed when working, radiating effect is more preferable, extends the service life of drill bit 1.
First through hole 13 is uniformly distributed on the cell wall of helicla flute 11.
The utility model application method：In use, one end of drill bit 1 need to be only inserted into the circular hole 21 of drillstock 2, two
It is mutually aligned between second through hole 14 with two third through-holes 22, bolt 3 is inserted, tightened with nut 4, i.e., by drill bit 1
To be fixed with drillstock 2, clamping fixture fixes one end of drillstock 2, can use, if drill bit 1 damages, bolt 3 and nut 4 are unclamped,
Drill bit 1 is removed, the drill bit 1 more renewed, then tightened with bolt 3 and nut 4 and completed Renewal process.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., this practicality should be included in
Within new protection domain.
Claims (6)
1. a kind of fluted drill, it is characterised in that including drill bit, drillstock, screw bolt and nut, the drill bit and the drillstock pass through institute
State bolt to connect with the nut, the drill bit is provided with helicla flute, jut and first through hole, at least opens up on the drill bit
Have a spiral loop around the helicla flute, be provided with the jut in the helicla flute, the jut is V-arrangement, described
The V-arrangement of jut is sophisticated consistent with the cephalad direction of the drill bit, and the height of the jut is less than the depth of the helicla flute,
The cell wall of the helicla flute is provided with some first through hole, and one end of the drill bit is radially additionally provided with two second and led to
Hole, circular hole, third through-hole and circular groove is additionally provided with the drillstock, the circular hole is located inside one end of the drillstock, institute
That states drillstock is radially provided with two third through-holes, and the circular groove is located at the both ends of the third through-hole, the brill
One end of head is inserted into the circular hole, and the circular groove, second through hole are consistent with the center line of the third through-hole,
The bolt is provided with second through hole and the third through-hole, one end of the bolt is provided with the nut being engaged.
2. fluted drill according to claim 1, it is characterised in that the angle of the jut V-arrangement opening is 30-60 degree.
3. fluted drill according to claim 1, it is characterised in that the diameter of second through hole and the third through-hole
Diameter is equal.
4. fluted drill according to claim 1, it is characterised in that between two second through holes and two the described 3rd
It is vertical between through hole.
5. fluted drill according to claim 1, it is characterised in that between the cell wall of the first through hole and the helicla flute
Angle of inclination be 15-30 degree.
6. fluted drill according to claim 1, it is characterised in that the first through hole is equal on the cell wall of the helicla flute
Even distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720244300.3U CN206689497U (en) | 2017-03-14 | 2017-03-14 | A kind of fluted drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720244300.3U CN206689497U (en) | 2017-03-14 | 2017-03-14 | A kind of fluted drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206689497U true CN206689497U (en) | 2017-12-01 |
Family
ID=60442363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720244300.3U Active CN206689497U (en) | 2017-03-14 | 2017-03-14 | A kind of fluted drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206689497U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772587A (en) * | 2018-06-05 | 2018-11-09 | 邢建 | A kind of carbide drill |
| CN114535666A (en) * | 2022-02-28 | 2022-05-27 | 广州大学 | Bionic negative Poisson's ratio drill bit and design method thereof |
-
2017
- 2017-03-14 CN CN201720244300.3U patent/CN206689497U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772587A (en) * | 2018-06-05 | 2018-11-09 | 邢建 | A kind of carbide drill |
| CN114535666A (en) * | 2022-02-28 | 2022-05-27 | 广州大学 | Bionic negative Poisson's ratio drill bit and design method thereof |
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