CN206382602U - Drilling tool - Google Patents
Drilling tool Download PDFInfo
- Publication number
- CN206382602U CN206382602U CN201621493550.2U CN201621493550U CN206382602U CN 206382602 U CN206382602 U CN 206382602U CN 201621493550 U CN201621493550 U CN 201621493550U CN 206382602 U CN206382602 U CN 206382602U
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- CN
- China
- Prior art keywords
- counter
- head
- bore
- hole
- bore head
- 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 is related to a kind of drilling tool.For drilling, including drill head, the roughing for the hole；Counter-bore head, for the finishing in the hole, one end of the counter-bore head is connected with the drill head, and the diameter of the counter-bore head is more than the diameter of the drill head；Handle of a knife, is connected with the other end of the counter-bore head and is used to be fixed on lathe.Because drill head and counter-bore head are installed on same handle of a knife, need to only clamped one time be carried out to same cutter, i.e., hole machined is molded, without carrying out tool changing and again clamping, save tool change time, improve production efficiency.Meanwhile, the cutter in process without supporting a variety of different models reduces the use cost of cutter.The bite of counter-bore head is small, and chip is few, and chip removal smoothly, is difficult scratch machined surface, improves the rigidity of counter-bore head, accordingly, it is capable to improve the linearity of the last center line for being processed into type hole, it is ensured that the positional precision in hole.
Description
Technical field
The utility model is related to cutting-tool engineering field, more particularly to a kind of drilling tool.
Background technology
General, for the higher bore process of surface quality requirements, the knife in design aperture is generally first less than using diameter
Tool carries out roughing, after roughing is finished, then carries out tool changing, that is, the cutter for using diameter to be equal to design aperture carries out reaming with reality
Now finish, so that it is guaranteed that the surface roughness and the tolerance such as linearity of axially bored line in hole.But, changing cutter can influence
Operating efficiency.
Utility model content
Based on this, it is necessary to which providing a kind of can improve operating efficiency and reduces the drilling tool of cost.
A kind of drilling tool, for drilling, including：
Drill head, the roughing for the hole；
Counter-bore head, for the finishing in the hole, one end of the counter-bore head is connected with the drill head, the counter-bore head
Diameter be more than the drill head diameter；
Handle of a knife, is connected with the other end of the counter-bore head and is used to be fixed on lathe.
In one of the embodiments, the first taper of both connections is provided between the counter-bore head and the drill head
Connector.
In one of the embodiments, the cone angle of the first taper connection body is 30 °.
In one of the embodiments, both the second taper companies of connection are provided between the handle of a knife and the counter-bore head
Junctor.
In one of the embodiments, the cone angle of the second taper connection body is 30 °.
In one of the embodiments, the angle of cutting edge of the drill head is 140 °.
In one of the embodiments, it is provided with the first blade in the drill head.The quantity of first blade is two
Bar, the length of first blade is 1mm.
In one of the embodiments, it is provided with the second blade on the counter-bore head.The quantity of second blade is two
Bar, the length of first blade is 6mm.
In one of the embodiments, a diameter of A of the drill head, wherein 0.5mm≤A≤2.5mm.
In one of the embodiments, a diameter of B of the counter-bore head, wherein 0.6mm≤B≤2.6mm.
The drilling tool that the utility model is provided, because drill head and counter-bore head are installed on same handle of a knife, is only needed pair
Same cutter carries out clamped one time, i.e., be molded hole machined, without carrying out tool changing and again clamping, save tool change time,
Improve production efficiency.Meanwhile, the cutter in process without supporting a variety of different models, reduce the use of cutter into
This.
In addition, the diameter of counter-bore head is more than the diameter of drill head, the aperture that drill head first processes formation will play guiding work
With when counter-bore head is carrying out reaming on the basis of the aperture, the bite of reaming bit is small, and chip is few, and chip removal smoothly, is difficult
Scratch machined surface, improves the rigidity of counter-bore head, accordingly, it is capable to the linearity of the last center line for being processed into type hole is improved,
Ensure the positional precision in hole.The cutting resistance of counter-bore head in process can also be reduced simultaneously.Improve counter-bore head and whole
Cutting-tool's used life.
Brief description of the drawings
The drilling tool structure schematic diagram that Fig. 1 provides for an embodiment；
Fig. 2 is mplifying structure schematic diagram at E in Fig. 1；
The schematic diagram that Fig. 3 drills for the drilling tool that an embodiment is provided on workpiece.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Better embodiment of the present utility model is given in accompanying drawing.But, the utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly
It is more thorough comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " interior ", " outer ", "left", "right" and
For illustrative purposes only, it is unique embodiment to be not offered as similar statement.
Refering to Fig. 1 and Fig. 2, a kind of drilling tool, for drilling, the cutter includes drill head 100, counter-bore head 200 and knife
Handle 300.Drill head 100 is used for the roughing in hole.Counter-bore head 200 is used for the finishing in hole, one end of drill head 100 and counter-bore head
200 one end connection, the diameter of counter-bore head 200 is more than the diameter of drill head 100.One end of handle of a knife 300 is another with counter-bore head 200
One end is connected, and during drilling, handle of a knife 300 is fixed on lathe, and lathe driving handle of a knife 300 rotates, and handle of a knife 300 drives whole cutter to revolve
Turn, the rotary motion of cutter is main motion；Lathe is moved in the axial direction by handle of a knife 300 with cutter, cutter opposite piece
600 movement is feed motion, and the drilling campaign of cutter is synthesized by main motion and feed motion, and cutter is by drilling campaign to work
Drilled on part 600.
Because drill head 100 and counter-bore head 200 are installed on same handle of a knife 300, counter-bore head 200 is located at drill head 100
Between handle of a knife 300.When cutter drills, drill head 100 is contacted with workpiece 600 first, the design of the diameter than hole of drill head 100
Diameter is small, therefore, and drill head 100 first processes aperture one smaller than design aperture on workpiece 600.When whole drill head
100 just all when being contained in the aperture, and counter-bore head 200 will start to contact with aperture, and be expanded on the basis of aperture
Hole, because the diameter of counter-bore head 200 is equal to the intended diameter in hole, when the aperture that counter-bore head 200 is processed drill head 100 is whole
During completion of processing, cutter completes that the hole for meeting design requirement will be processed on whole bore process, workpiece 600.
The aperture that drill head 100 is processed will play guide effect, when counter-bore head 200 carries out reaming on the basis of aperture
When, the bite of counter-bore head 200 is small, and chip is few, and chip removal smoothly, is difficult scratch machined surface, improves the firm of counter-bore head 200
Property and, accordingly, it is capable to improve the linearity of the last center line for being processed into type hole, it is ensured that the positional precision and surface quality in hole.Together
When can also reduce the cutting resistance of counter-bore head 200 in process.Improve the use longevity of counter-bore head 200 and whole cutter
Life.
Further, both counter-bore head 200 and drill head 100 can use split type connected mode, due to drill head
100 working angles cutting resistance it is too big, drill head 100 easily produces flexural deformation in the presence of cutting force, influences hole
Machining accuracy, or even phenomenon of rupture can be produced.Therefore, can be to the drill head of destruction when drill head 100 produces destruction
100 are directly replaced, and without scrapping whole cutter, improve the interchangeability of cutter, can so greatly save production system
Cause this.
Specifically, the first taper connection body 400 is provided between counter-bore head 200 and drill head 100, the first taper connection body
400 one end (small head end) is connected with drill bit, and the other end (stub end) of the first taper connection body 400 is connected with counter-bore head 200.
When grinding external diameter to drill head 100, emery wheel withdrawing can be facilitated, damaged so as to avoid emery wheel from constituting counter-bore head 200.In this reality
Apply in example, the cone angle of the first taper connection body 400 is 30 °.It will be appreciated, of course, that the cone angle of the first taper connection body 400
Other values can be taken, such as 45 °.
The second taper connection body 500, one end of the second taper connection body 500 are provided between handle of a knife 300 and counter-bore head 200
(small head end) is connected with counter-bore head 200, and the other end (stub end) of the second taper connection body 500 is connected with handle of a knife 300.To expanding
When external diameter is ground in hole first 200, emery wheel withdrawing can be facilitated, damaged so as to avoid emery wheel from constituting handle of a knife 300.In the present embodiment,
The cone angle beta of second taper connection body 500 is 30 °.It will be appreciated, of course, that the cone angle of the second taper connection body 500 can also take it
It is worth, such as 45 °.
In the present embodiment, the angle of cutting edge θ of drill head 100 is 140 °.Other numerical value can certainly be taken, when angle of cutting edge becomes
Hour, drill head 100 is relatively more sharp, is relatively adapted to high-speed drilling or the Drilling operation compared with thin workpiece 600, when angle of cutting edge becomes big
When, drill head 100 compares blunt, is relatively adapted to the Drilling operation of low speed drilling or thicker workpiece 600.Certainly, to thicker workpiece 600
When being drilled, it can be cooled down and be lubricated by the way of oil is poured, prevent cutter from occurring stuck and twisting off phenomenon.
Specifically, being provided with the first blade 110 in drill head 100, the quantity of the first blade 110 is two, the first blade
110 length D is 1mm.Certainly, the need for according to actual conditions, it is appropriate that the quantity and length of the first blade 110 can be carried out
Increase and decrease.The second blade 210 is provided with counter-bore head 200.The quantity of second blade 210 is two, the length C of the second blade 210
For 6mm.Certainly, the need for according to actual conditions, the quantity and length of the second blade 210 can carry out appropriate increase and decrease.
A diameter of A of drill head 100, wherein 0.5mm≤A≤2.5mm, the diameter of drill head 100 are slightly less than the design in hole
Diameter.A diameter of B of counter-bore head 200, wherein 0.6mm≤B≤2.6mm, the diameter of counter-bore head 200 are straight slightly larger than the design in hole
Footpath.In the present embodiment, a diameter of 0.9mm of drill head 100, a diameter of 1mm of counter-bore head 200.Entirely the length of cutter is
50mm, a diameter of 4mm of handle of a knife 300.For the hole that intended diameter is 1mm, a diameter of 0.9mm drill head 100 can be used
Aperture is first processed, when whole cutter is moved a certain distance along direction of feed, a diameter of 1mm counter-bore head 200 will be small to this
Hole is finished, so as to ensure the surface quality and positional precision after hole machined shaping.
Laser index carving position 310 is provided with handle of a knife 300, the printed words such as the model of cutter can be printed on handle of a knife 300.For
Improve the hardness and wearability of cutter, cutter is made of superhard wolfram steel, after tool sharpening shaping, 45 by microscope under sight
Examine, the first blade 110 and the second blade 210 should be no to burn and without defects such as sawtooth without damage is collapsed.
Due to counter-bore head 200 and drill head 100 are arranged on same handle of a knife 300, only handle of a knife 300 need to once be filled
Hole machined, i.e., be molded, without carrying out tool changing and again clamping, save tool change time, improve production efficiency by folder.Meanwhile,
Cutter in process without supporting a variety of different models, reduces the use cost of cutter.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of drilling tool, for drilling, it is characterised in that including：
Drill head, the roughing for the hole；
Counter-bore head, for the finishing in the hole, one end of the counter-bore head is connected with the drill head, the counter-bore head it is straight
Footpath is more than the diameter of the drill head；
Handle of a knife, is connected with the other end of the counter-bore head and is used to be fixed on lathe.
2. drilling tool according to claim 1, it is characterised in that be provided between the counter-bore head and the drill head
Both the first taper connection bodies of connection.
3. drilling tool according to claim 2, it is characterised in that the cone angle of the first taper connection body is 30 °.
4. drilling tool according to claim 1, it is characterised in that the company of being provided between the handle of a knife and the counter-bore head
Connect both the second taper connection bodies.
5. drilling tool according to claim 4, it is characterised in that the cone angle of the second taper connection body is 30 °.
6. drilling tool according to claim 1, it is characterised in that the angle of cutting edge of the drill head is 140 °.
7. drilling tool according to claim 1, it is characterised in that the first blade is provided with the drill head, described
The quantity of first blade is two, and the length of first blade is 1mm.
8. drilling tool according to claim 1, it is characterised in that the second blade is provided with the counter-bore head, described
The quantity of second blade is two, and the length of second blade is 6mm.
9. drilling tool according to claim 1, it is characterised in that a diameter of A of the drill head, wherein 0.5mm≤A
≤2.5mm。
10. drilling tool according to claim 1, it is characterised in that a diameter of B of the counter-bore head, wherein 0.6mm≤
B≤2.6mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493550.2U CN206382602U (en) | 2016-12-30 | 2016-12-30 | Drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493550.2U CN206382602U (en) | 2016-12-30 | 2016-12-30 | Drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206382602U true CN206382602U (en) | 2017-08-08 |
Family
ID=59492320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621493550.2U Expired - Fee Related CN206382602U (en) | 2016-12-30 | 2016-12-30 | Drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206382602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570632A (en) * | 2018-12-26 | 2019-04-05 | 芜湖科翔动力机械有限公司 | A kind of engine cylinder cap injector orifice processing technology |
-
2016
- 2016-12-30 CN CN201621493550.2U patent/CN206382602U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570632A (en) * | 2018-12-26 | 2019-04-05 | 芜湖科翔动力机械有限公司 | A kind of engine cylinder cap injector orifice processing technology |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 Termination date: 20201230 |