CN207629262U - A kind of step drill for being open on pivoting support - Google Patents
A kind of step drill for being open on pivoting support Download PDFInfo
- Publication number
- CN207629262U CN207629262U CN201721769854.1U CN201721769854U CN207629262U CN 207629262 U CN207629262 U CN 207629262U CN 201721769854 U CN201721769854 U CN 201721769854U CN 207629262 U CN207629262 U CN 207629262U
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- drilling rod
- blade
- handle
- knife
- aperture
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- 238000005553 drilling Methods 0.000 claims abstract description 81
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model is related to a kind of step drills for being open on pivoting support, including the blade and handle of a knife being installed together, the blade include drilling rod, and the blade pedestal in drilling rod tail portion is arranged, connection handle is arranged on blade pedestal；Drilling rod sets gradually aperture drilling rod, macropore drilling rod and chamfering drilling rod to the back-end by front end；The top of aperture drilling rod is tip-angled shape, and two top small blades are mounted on the top of aperture drilling rod；It is provided with chip space on the side wall of drilling rod；Reaming blade is installed in the chip space of macropore drilling rod front end；Counterbore chamfering blade is installed in the chip space of chamfering drilling rod front end；The handle of a knife includes the handle of a knife pedestal between handle of a knife mounting base, blade deck and handle of a knife mounting base and blade deck, and the mounting hole of installation connection handle is provided on blade deck.The utility model has the characteristics that on pivoting support while outputing aperture and macropore and processing Hole Wall Roughness is good, processing quality is stable, economical, reliable.
Description
Technical field
The utility model is related to a kind of step drills for being open on pivoting support, belong to boring bar tool technical field.
Background technology
In the processing of pivoting support, the hole structure that setting aperture in macropore bottom is drilled out on pivoting support is needed.It passes
System processing technology is to separate drilling, and reaming processing after aperture or subdrilling aperture is bored after subdrilling macropore.Both modes process effect
Rate is all relatively low, and when subdrilling counterbore, and when especially counterbore depth is more than 60mm or more, blind via bottom product iron filings are be easy to cause
Crushing knife.There are also staged combination drilling tools to attempt application, but is processed in wind-powered electricity generation large-size pivoting support and yawing gear ring
The problems such as field, that there are single-piece work is of high cost for step drill processing, processing is unstable, never ideal promotion and application.
Utility model content
The utility model is switched over for existing pivoting support drilling tool needs are a variety of, and the low problem of efficiency carries
For a kind of step drill for being open on pivoting support.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of rank for being open on pivoting support
Ladder bores, including the blade and handle of a knife being installed together, and is characterized in that, the blade includes the brill for having step structure
Bar is arranged the blade pedestal in drilling rod tail portion, connection handle is arranged on blade pedestal；The drilling rod by drilling rod front end to the back-end
Aperture drilling rod, macropore drilling rod and chamfering drilling rod are set gradually, and diameter becomes larger successively；The top of the aperture drilling rod is wedge angle
Shape, two top small blades are mounted on the top of aperture drilling rod；Chip space is provided on the side wall of drilling rod, chip space is by aperture
The top of drilling rod is reached always on chamfering drilling rod；The macropore drilling rod front end and installation in the chip space of aperture drilling rod junctions
Reaming blade；Counterbore chamfering blade is installed in the chamfering drilling rod front end and the chip space of macropore drilling rod junctions；Described
Handle of a knife includes the handle of a knife pedestal between handle of a knife mounting base, blade deck and handle of a knife mounting base and blade deck, is set on blade deck
It is equipped with the mounting hole for installing connection handle.
Based on the above technical solution, the utility model can also do following improvement.
Further, the blade is provided with interior cold hole in the axial direction；During the axis direction of the handle of a knife is provided with
Hole.
Further, it is provided with coaxial isodiametric through-hole on the connection handle and blade deck, through-hole is perpendicular to blade
Axis；First screw and the second screw are installed in the through-hole of blade deck；It is equipped in screw rod in the through-hole of connection handle
Upper porose connection handle inner bolt, the first knife bar screw pass through the hole on connection handle inner bolt to withstand on second on connection handle axis
On knife bar screw.The connection handle of blade is inserted into the blade deck of handle of a knife, compresses the first screw and the second screw so that the first knife
Bar screw case the second knife bar screw move, to realize, positioning surface be bonded between knife bar and handle of a knife, strengthen knife bar centering and surely
It is qualitative.
Further, the handle of a knife mounting base on the handle of a knife is round table-like.
Further, the blade pedestal is cylindrical structure, and the diameter of blade pedestal is more than the diameter of chamfering drilling rod.
The utility model provides one kind can process macropore and aperture, and the combined type step drill of chamfering simultaneously, this
The processing that the step drill of utility model can be stablized, raising is high in machining efficiency, and safety, the cost of charp tool are low.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of step drill for being open on pivoting support of the utility model；
Fig. 2 is the structural schematic diagram of blade in Fig. 1；
Fig. 3 is the internal structure schematic diagram at the connection handle of blade in Fig. 2；
Fig. 4 is the structural schematic diagram of handle of a knife.
Reference numeral record is as follows：The top small blades of 1-, 2- reaming blades, 3- counterbore chamfering blades, 4- drilling rods, 5- knives
Handle, 6- connection handles, 7- blade pedestals, 8- chip spaces, (4-1)-aperture drilling rod, (4-2)-macropore drilling rod, (4-3)-chamfer drill
Bar, (5-1)-handle of a knife mounting base, (5-2)-handle of a knife pedestal, (5-3)-blade deck, (5-4)-the first screw, (5-5)-the second
Screw, (6-1)-connection handle inner bolt, (6-2)-the first knife bar screw, (6-3)-the second knife bar screw.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
A kind of step drill (referring to Fig. 1-Fig. 3) for being open on pivoting support, including the blade that is installed together and
Handle of a knife 5, the blade include the drilling rod 4 for having step structure, and the blade pedestal 7 in 4 tail portion of drilling rod, blade pedestal 7 is arranged
Upper setting connection handle 6；The drilling rod 4 by drilling rod front end to the back-end set gradually aperture drilling rod 4-1, macropore drilling rod 4-2 and
Chamfering drilling rod 4-3, and diameter becomes larger successively；The top of the aperture drilling rod 4-1 is tip-angled shape, and two top small blades 1 are pacified
Mounted in the top of aperture drilling rod 4-1；Be provided with chip space 8 on the side wall of drilling rod 4, chip space by aperture drilling rod top always
It reaches on chamfering drilling rod；Cornish bit is installed in the macropore front ends drilling rod 4-2 and the chip space 8 of the junctions aperture drilling rod 4-1
Piece 2；The chamfering front ends drilling rod 4-3 and installation counterbore chamfering blade 3 in the chip space 8 of the junctions macropore drilling rod 4-2；Institute
The handle of a knife 5 stated includes the handle of a knife pedestal 5- between handle of a knife mounting base 5-1, blade deck 5-3 and handle of a knife mounting base and blade deck
The mounting hole for installing connection handle 6 is provided on 2, blade deck 5-3.Chip space is to be arranged in pairs, generally a pair of, right
Title is arranged in the both sides of drilling rod.
Based on the above technical solution, the utility model can also do following improvement.
The blade is provided with interior cold hole in the axial direction；The axis direction of the handle of a knife 5 is provided with mesoporous.
Coaxial isodiametric through-hole is provided on the connection handle 6 and blade deck 5-3, through-hole is perpendicular to blade axis
Line；First screw 5-4 and the second screw 5-5 are installed in the through-hole of blade deck 5-3；It is installed in the through-hole of connection handle 6
There are the porose connection handle inner bolt 6-1 on screw rod, the first knife bar screw 6-2 that the hole on connection handle inner bolt 6-1 is passed through to withstand on
On the second knife bar screw 6-3 on connection handle axis.
Handle of a knife mounting base on the handle of a knife 5 is that 5-1 is round table-like.
The blade pedestal 7 is cylindrical structure, and the diameter of blade pedestal is more than the diameter of chamfering drilling rod.
In specific use：
According to the small hole depth on art work sheet, the length of the aperture drilling rod on drilling rod is determined, according on art work sheet
The depth of counterbore, determines the length of macropore drilling rod on drilling rod, and designs the length of chamfering drilling rod, the final length for determining drilling rod and needing
Degree；And top small blade is installed on the top of drilling rod, reaming blade is installed on macropore drilling rod, is installed on chamfering drilling rod top
Small blade.
When preparing processing, by the drilling rod of blade as common drilling rod, handle of a knife is inserted into side-strengthened handle of a knife mounting hole, on handle of a knife
It can be mounted on lathe with after screw in compression；On machine tool chief axis, top small blade carries out to knife workpiece surface.To
Lower drilling processing, with going deep into for drilling rod, reaming blade starts to carry out reaming processing to molding aperture, continues to process,
Counterbore chamfering blade is contacted with the macropore top edge that reaming blade processes, and proceeds by chamfer machining, is completed at this time in workpiece
On hole machined.At this moment work in-process is processed and is slightly slowed down when aperture is worked into certain depth, and reaming blade starts processing,
Until star drill is machined to bottom.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of step drill for being open on pivoting support, including the blade and handle of a knife that are installed together, which is characterized in that
The blade includes the drilling rod for having step structure, and the blade pedestal in drilling rod tail portion is arranged, connection is arranged on blade pedestal
Handle；The drilling rod sets gradually aperture drilling rod, macropore drilling rod and chamfering drilling rod to the back-end by the front end of drilling rod, and diameter is successively
Become larger；The top of the aperture drilling rod is tip-angled shape, and two top small blades are mounted on the top of aperture drilling rod；In drilling rod
Chip space is provided on side wall, chip space is reached always by the top of aperture drilling rod on chamfering drilling rod；Before the macropore drilling rod
Reaming blade is installed in end and the chip space of aperture drilling rod junctions；The chamfering drilling rod front end and macropore drilling rod junctions
Counterbore chamfering blade is installed in chip space；The handle of a knife includes handle of a knife mounting base, blade deck and handle of a knife mounting base and blade
Handle of a knife pedestal between deck is provided with the mounting hole for installing connection handle on blade deck.
2. the step drill according to claim 1 for being open on pivoting support, which is characterized in that the blade edge
Axis direction is provided with interior cold hole；The axis direction of the handle of a knife is provided with mesoporous.
3. the step drill according to claim 2 for being open on pivoting support, which is characterized in that the connection handle
With coaxial isodiametric through-hole is provided on blade deck, through-hole is perpendicular to blade axis；It is installed in the through-hole of blade deck
There are the first screw and the second screw；Porose connection handle inner bolt, the first knife on screw rod are installed in the through-hole of connection handle
Bar screw passes through the hole on connection handle inner bolt to withstand on the second knife bar screw on connection handle axis.
4. the step drill according to claim 3 for being open on pivoting support, which is characterized in that on the handle of a knife
Handle of a knife mounting base be it is round table-like.
5. the step drill according to claim 4 for being open on pivoting support, which is characterized in that the blade base
Seat is cylindrical structure, and the diameter of blade pedestal is more than the diameter of chamfering drilling rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769854.1U CN207629262U (en) | 2017-12-18 | 2017-12-18 | A kind of step drill for being open on pivoting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769854.1U CN207629262U (en) | 2017-12-18 | 2017-12-18 | A kind of step drill for being open on pivoting support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207629262U true CN207629262U (en) | 2018-07-20 |
Family
ID=62863510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721769854.1U Active CN207629262U (en) | 2017-12-18 | 2017-12-18 | A kind of step drill for being open on pivoting support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207629262U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000868A (en) * | 2019-05-13 | 2019-07-12 | 林子策 | Adjustment type Furniture panel drilling equipment with safeguard structure |
| CN112496411A (en) * | 2020-11-25 | 2021-03-16 | 上汽通用五菱汽车股份有限公司 | Modularization shaping drill bit |
| CN115740571A (en) * | 2022-11-07 | 2023-03-07 | 恒锋工具股份有限公司 | Step type inner chip removal deep hole drilling tool |
-
2017
- 2017-12-18 CN CN201721769854.1U patent/CN207629262U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000868A (en) * | 2019-05-13 | 2019-07-12 | 林子策 | Adjustment type Furniture panel drilling equipment with safeguard structure |
| CN110000868B (en) * | 2019-05-13 | 2024-05-31 | 山东爱和家家居有限公司 | Adjustable furniture plate drilling device with protection structure |
| CN112496411A (en) * | 2020-11-25 | 2021-03-16 | 上汽通用五菱汽车股份有限公司 | Modularization shaping drill bit |
| CN115740571A (en) * | 2022-11-07 | 2023-03-07 | 恒锋工具股份有限公司 | Step type inner chip removal deep hole drilling tool |
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| GR01 | Patent grant |