CN207479680U - A kind of hard alloy chmfer bit - Google Patents
A kind of hard alloy chmfer bit Download PDFInfo
- Publication number
- CN207479680U CN207479680U CN201721210300.8U CN201721210300U CN207479680U CN 207479680 U CN207479680 U CN 207479680U CN 201721210300 U CN201721210300 U CN 201721210300U CN 207479680 U CN207479680 U CN 207479680U
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- China
- Prior art keywords
- alloy
- chmfer bit
- block
- internal regulation
- neck
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- 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.)
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 48
- 239000000956 alloy Substances 0.000 title claims abstract description 48
- 230000029142 excretion Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 17
- 241000220317 Rosa Species 0.000 abstract description 5
- 210000003739 neck Anatomy 0.000 description 24
- 229910001069 Ti alloy Inorganic materials 0.000 description 4
- 239000010721 machine oil Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Drilling Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a kind of hard alloy chmfer bits,Structure includes alloy chmfer bit,Prenex block,Posterior cord block,Internal regulation plate,External adjustable plate,It is matched inside prenex block with internal regulation plate rear end,External adjustable plate rear end is matched with prenex block,It is clearance fit between internal regulation plate and external adjustable plate,Internal regulation plate shares two pieces,Internal regulation plate is set on alloy chmfer bit left and right ends,Internal regulation plate inner wall is clearance fit with alloy chmfer bit outer wall,External adjustable plate shares two pieces,External adjustable plate left and right ends axisymmetricly structure,A kind of hard alloy chmfer bit of the utility model,Neck is set corresponds to twice discharge launder there are two rose reamer face,Discharge launder can drain drilling object,And neck is while equipped with these structures and to change big small end,These structures are all in rotating coaxially,Axle center is not easy biased when rotating speed is big,Drilling is not easy deviation,It is not easy to that the problem of chmfer bit fractures occurs.
Description
Technical field
The utility model is a kind of hard alloy chmfer bit, belongs to field of drill.
Background technology
Drill bit be on solid material drilling go out through-hole or blind hole, and the cutter of existing hole reaming can be commonly used
Drill bit mainly have fluted drill, chit drill, centre drill, depth drill and cylindrical drill, though reamer and counterbit cannot be on solid materials
Drilling, but they are also traditionally included into drill bit one kind.
Prior art discloses application No. is：201510270133.5 handle two parts of application number form, the drill body and brill
The connection mode of handle is structure as a whole, and the drill body is made of drill body head and drill body ontology two parts, the drill body head and
Drill body ontology monolithic molding, the drillstock are equipped with positioning groove, novel chmfer bit of the invention, by cone close to end
Drill body head, bite and row cut groove and are effectively combined, and have reached drilling, chamfering synchronization progress, have saved and changed brill
It the time of head, improves work efficiency, while row cuts unobstructed purpose, but the prior art is facilitating chmfer bit discharge drilling row
When letting out object, neck front and rear end concentric reducer, at work, the easy biased of rotating speed big axis core, drill easy deviation, and chmfer bit also holds
The problem of easily fractureing.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of hard alloy chmfer bit, with solution
Certainly when facilitating chmfer bit discharge drilling excreta, neck front and rear end concentric reducer, at work, rotating speed big axis core is easily inclined
It is dynamic, the problem of drill easy deviation, and chmfer bit also easily fractures.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of hard alloy falls
Angular bit head, structure include alloy chmfer bit, prenex block, posterior cord block, internal regulation plate, external adjustable plate, the toe-in block
Inside is matched with internal regulation plate rear end, and the external adjustable plate rear end is matched with toe-in block, the internal regulation plate and
It is clearance fit between external adjustable plate, internal regulation plate shares two pieces, and it is left that the internal regulation plate is set on alloy chmfer bit
Right both ends, the internal regulation plate inner wall are clearance fit with alloy chmfer bit outer wall, and the external adjustable plate shares two pieces,
Axisymmetricly structure, the outside adjust front edge of board and alloy chmfer bit outer wall as gap for the external adjustable plate left and right ends
Cooperation, orthogonal between the toe-in block top surface and alloy chmfer bit, the alloy chmfer bit is by tail portion, the first excretion
Slot, the second discharge launder, divider, neck, undertaking body, the first chamfering knife face, the second chamfering knife face composition, the tail portion is with accepting
Body is integrated, and the neck rear end is fixedly connected with undertaking body front end, and the neck upper front end is equipped with the second excretion
Slot and lower part are equipped with the first discharge launder, and second discharge launder and the first discharge launder are spiral notch, and first discharge launder leads to
It crosses divider to be spaced with the second discharge launder, the neck front lower portion is equipped with the first chamfering knife face and top is equipped with the second chamfering
Knife face, the first chamfering knife face face width be 0.1mm~0.4mm, the first rose reamer surface chamfer be 3 °~6 °, described second
Chamfering knife face face width is 0.1mm~0.4mm, and the two chamferings knife face chamfering is that the chisel edge of 6 °~9 ° neck front end apex points is
2~4mm, sharp angle are 120 °.
Further, the prenex block rear end is welded with posterior cord block front end.
Further, the prenex block left and right ends axisymmetricly structure.
Further, the tail portion outer wall and internal regulation plate inner wall are clearance fit.
Further, it is orthogonal between the tail portion and prenex block top surface.
Further, the internal regulation plate is equipped with a little machine oil, and machine oil can play lubrication, cleaning, cooling, seal, subtracts
The effects that mill.
Further, the alloy chmfer bit is titanium alloy, and titanium alloy is with intensity is high, corrosion resistance is good, heat resistance is high
The features such as.
Advantageous effect
A kind of hard alloy chmfer bit of the utility model, neck is set corresponds to twice discharge launder there are two rose reamer face, arranges
Drilling object can be drained, and neck, while equipped with these structures and to change big small end, these structures are all in same by letting out slot
Shaft rotation is moved, and axle center is not easy biased when rotating speed is big, and drilling is not easy deviation, is not easy to that the problem of chmfer bit fractures occurs.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram of hard alloy chmfer bit of the utility model；
Fig. 2 is the structure diagram of the utility model alloy chmfer bit；
Fig. 3 is the structure diagram at the utility model alloy chmfer bit tip.
In figure：Alloy chmfer bit -1, prenex block -2, posterior cord block -3, internal regulation plate -4, external adjustable plate -5, tail portion -
101st, the first discharge launder -102, the second discharge launder -103, divider -104, neck -105, undertaking body -106, the first rose reamer
Face -107, the second chamfering knife face -108.
Specific embodiment
To be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, below
With reference to specific embodiment, the utility model is expanded on further.
It please refers to Fig.1, Fig. 2 and Fig. 3, the utility model provide a kind of hard alloy chmfer bit technical solution：Its structure
Including alloy chmfer bit 1, prenex block 2, posterior cord block 3, internal regulation plate 4, external adjustable plate 5,2 inside of toe-in block with it is interior
Adjustable plate 4 rear end in portion's matches, and external 5 rear end of adjustable plate is matched with prenex block 2, the internal regulation plate 4 and outside
It is clearance fit between adjustable plate 5, internal regulation plate 4 shares two pieces, and it is left that the internal regulation plate 4 is set on alloy chmfer bit 1
Right both ends, 4 inner wall of internal regulation plate are clearance fit with 1 outer wall of alloy chmfer bit, and the external adjustable plate 5 shares two
Block, external 5 left and right ends of adjustable plate axisymmetricly structure, external 5 front end of adjustable plate and 1 outer wall of alloy chmfer bit
For clearance fit, orthogonal between toe-in 2 top surface of block and alloy chmfer bit 1, the alloy chmfer bit 1 is by tail portion
101st, the first discharge launder 102, the second discharge launder 103, divider 104, neck 105, undertaking body 106, the first chamfering knife face 107,
Second chamfering knife face 108 forms, and the tail portion 101 is integrated with undertaking body 105, and 105 rear end of neck is with accepting
106 front end of body is fixedly connected, and 105 upper front end of neck is equipped with the second discharge launder 103 and lower part is equipped with the first discharge launder
102,103 and first discharge launder 102 of the second discharge launder is spiral notch, and first discharge launder 102 passes through divider 104
It is spaced with the second discharge launder 103,105 front lower portion of neck is equipped with the first chamfering knife face 107 and top is fallen equipped with second
Angle knife face 108, the 107 face width of the first chamfering knife face be 0.1mm~0.4mm, 107 chamfering of the first chamfering knife face for 3 °~
6 °, the 108 face width of the second chamfering knife face is 0.1mm~0.4mm, and two chamferings knife face, 108 chamfering is 6 °~9 ° necks
The chisel edge of 105 front end apex point of portion is 2~4mm, and sharp angle is 120 °, and toe-in 2 rear end of block is welded with 3 front end of posterior cord block, described
Prenex 2 left and right ends of block axisymmetricly structure, 101 outer wall of tail portion and 4 inner wall of internal regulation plate are clearance fit, the tail
Orthogonal between portion 101 and prenex 2 top surface of block, the internal regulation plate 4 is equipped with a little machine oil, and machine oil can play lubrication, clearly
The effects that clean, cooling, sealing, anti-attrition, the alloy chmfer bit 1 are titanium alloy, titanium alloy have intensity is high, corrosion resistance is good,
The features such as heat resistance is high.
Drill bit is worn into 90 degree etc. by the alloy chmfer bit drill bit chamfering described in this patent, not used directly, first with oil
Stone is rubbed main cutting is tough, is rubbed along tough mouth direction, it is seen that have general 0.1 chamfering, rotating speed 160----250, high-speed resistance is very
Soon, the length and material cut as iron have relationship, but do not influence process velocity with drill bit back angle.
When being used, two blocks of internal regulation plates 4 form notch and are inserted into alloy chmfer bit 1, and external adjustable plate 5 can
Further fixed alloy chmfer bit 1, neck 105 nose tip alignment drilling object during drilling, the first chamfering knife face 107 with
Second chamfering knife face 108 starts cutting drilling object, and drilling sundries is from the first discharge launder 102 and the notch of the second discharge launder 103
Alloy chmfer bit 1 is extracted in discharge, follow-up negative direction rotation, so that it may carry out next drilling, 1 structure of alloy chmfer bit letter
It is single, it is convenient and practical.
The utility model is solved when facilitating chmfer bit discharge drilling excreta, neck front and rear end concentric reducer,
During work, the problem of easy biased of rotating speed big axis core, drill easy deviation, and chmfer bit also easily fractures, the utility model leads to
Being combined with each other for above-mentioned component, a kind of hard alloy chmfer bit of the utility model are crossed, neck 105 is set to be faced there are two rose reamer
Twice discharge launder is answered, discharge launder can drain drilling object, and neck 105 is while equipped with these structures and to change size
End, these structures are all in rotating coaxially, and axle center is not easy biased when rotating speed is big, and drilling is not easy deviation, are not easy to that chamfer drill occurs
The problem of head fractures, it is described in detail below:
The alloy chmfer bit 1 is by tail portion 101, the first discharge launder 102, the second discharge launder 103, divider 104, neck
105th, undertaking body 106, the first chamfering knife face 107, the second chamfering knife face 108 form, and the tail portion 101 is one with undertaking body 105
Body structure, 105 rear end of neck are fixedly connected with 106 front end of undertaking body, and 105 upper front end of neck is equipped with second row
It lets out slot 103 and lower part and is equipped with the first discharge launder 102,103 and first discharge launder 102 of the second discharge launder is spiral notch, institute
It states the first discharge launder 102 to be spaced by divider 104 and the second discharge launder 103,105 front lower portion of neck is equipped with first
Chamfering knife face 107 and top are equipped with the second chamfering knife face 108, and the 107 face width of the first chamfering knife face is 0.1mm~0.4mm, institute
107 chamfering of the first chamfering knife face is stated as 3 °~6 °, the 108 face width of the second chamfering knife face is 0.1mm~0.4mm, the second-speculation
Knife face 108 chamfering in angle is that the chisel edge of 6 °~9 ° 105 front end apex points of neck is 2~4mm, and sharp angle is 120 °.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of hard alloy chmfer bit, structure includes alloy chmfer bit (1), prenex block (2), posterior cord block (3), inside
Adjustable plate (4), external adjustable plate (5), the toe-in block (2) is internal to be matched with internal regulation plate (4) rear end, the external tune
Section plate (5) rear end is matched with prenex block (2), it is characterised in that：
It is clearance fit between the internal regulation plate (4) and external adjustable plate (5), internal regulation plate (4) shares two pieces, described
Internal regulation plate (4) is set on alloy chmfer bit (1) left and right ends, internal regulation plate (4) inner wall and alloy chmfer bit
(1) outer wall is clearance fit, and the external adjustable plate (5) shares two pieces, and described external adjustable plate (5) left and right ends are axisymmetricly
Structure, external adjustable plate (5) front end are clearance fit with alloy chmfer bit (1) outer wall, toe-in block (2) top surface with
It is orthogonal between alloy chmfer bit (1)；
The alloy chmfer bit (1) is by tail portion (101), the first discharge launder (102), the second discharge launder (103), divider
(104), neck (105), undertaking body (106), the first chamfering knife face (107), the second chamfering knife face (108) composition, the tail portion
(101) it is integrated with undertaking body (106), neck (105) rear end is fixedly connected with undertaking body (106) front end, institute
It states neck (105) upper front end and is equipped with the first discharge launder (102), second excretion equipped with the second discharge launder (103) and lower part
Slot (103) is spiral notch with the first discharge launder (102), and first discharge launder (102) passes through divider (104) and second row
It lets out slot (103) to be spaced, neck (105) front lower portion is equipped with the first chamfering knife face (107) and top is equipped with the second chamfering
Knife face (108), the first chamfering knife face (107) face width are 0.1mm~0.4mm, and the first chamfering knife face (107) chamfering is
3 °~6 °, the second chamfering knife face (108) face width be 0.1mm~0.4mm, two chamferings knife face (108) chamfering for 6 °~
The chisel edge of 9 ° of neck (105) front end apex points is 2~4mm, and sharp angle is 120 °.
2. a kind of hard alloy chmfer bit according to claim 1, it is characterised in that：It is described toe-in block (2) rear end with
It welds posterior cord block (3) front end.
3. a kind of hard alloy chmfer bit according to claim 1, it is characterised in that：Toe-in block (2) left and right two
Hold axisymmetricly structure.
4. a kind of hard alloy chmfer bit according to claim 1, it is characterised in that：Tail portion (101) outer wall with
Internal regulation plate (4) inner wall is clearance fit.
5. a kind of hard alloy chmfer bit according to claim 1, it is characterised in that：The tail portion (101) and toe-in
It is orthogonal between block (2) top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210300.8U CN207479680U (en) | 2017-09-19 | 2017-09-19 | A kind of hard alloy chmfer bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210300.8U CN207479680U (en) | 2017-09-19 | 2017-09-19 | A kind of hard alloy chmfer bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207479680U true CN207479680U (en) | 2018-06-12 |
Family
ID=62482134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721210300.8U Expired - Fee Related CN207479680U (en) | 2017-09-19 | 2017-09-19 | A kind of hard alloy chmfer bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207479680U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015081A (en) * | 2019-10-31 | 2020-04-17 | 江苏信息职业技术学院 | Drilling chamfering method capable of simultaneously completing drilling chamfering |
-
2017
- 2017-09-19 CN CN201721210300.8U patent/CN207479680U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015081A (en) * | 2019-10-31 | 2020-04-17 | 江苏信息职业技术学院 | Drilling chamfering method capable of simultaneously completing drilling chamfering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 517000 Guangdong Heyuan City Pearl River Development Area Heyuan Avenue West business three road south plant 1 2 story Patentee after: Heyuan Yongxing cemented carbide Co.,Ltd. Address before: 517000 Guangdong Heyuan City Pearl River Development Area Heyuan Avenue West business three road south plant 1 2 story Patentee before: HEYUAN YONGXING CEMENTED CARBIDE Co.,Ltd. |
|
| 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: 20180612 Termination date: 20210919 |