CN204657566U - The knife bar of interchangeable cutter bit type drill bit - Google Patents
The knife bar of interchangeable cutter bit type drill bit Download PDFInfo
- Publication number
- CN204657566U CN204657566U CN201520319396.6U CN201520319396U CN204657566U CN 204657566 U CN204657566 U CN 204657566U CN 201520319396 U CN201520319396 U CN 201520319396U CN 204657566 U CN204657566 U CN 204657566U
- Authority
- CN
- China
- Prior art keywords
- knife bar
- cutter
- drill bit
- boss
- supporting
- 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.)
- Active
Links
Abstract
The utility model relates to a kind of knife bar of interchangeable cutter bit type drill bit.Also do not have a kind of reasonable in design at present, machining accuracy is high, stability of rotation, and cutter head convenient mounting and clamping, firmly, cutter head can be given up, the drill bit knife bar of long service life.The utility model comprises cutter bar body, described cutter bar body is provided with chip area, its feature is: the front end of described cutter bar body is provided with a boss and No. two boss, a boss is provided with a supporting plane and a fixing screw hole, the axis of a fixing screw hole is vertical with a supporting plane, No. two boss are provided with No. two supporting planes and No. two fixing screw holes, the axis of No. two fixing screw holes is vertical with No. two supporting planes, form insert groove between a supporting plane and No. two supporting planes, the bottom of insert groove is provided with locating hole.Reasonable in design of the present utility model, machining accuracy is high, stability of rotation, and cutter head convenient mounting and clamping, firmly, cutter head can be given up, long service life.
Description
Technical field
The utility model relates to a kind of knife bar, especially relates to a kind of knife bar of interchangeable cutter bit type drill bit, is mainly used in the aperture knife tool of mechanical processing industry, belong to the parts in a kind of five metals machining tool.
Background technology
The specification of carbide alloy class fluted drill conventional in existing market is all less, the fluted drill of the carbide alloy class of large gauge is in constantly researching and developing, because existing carbide alloy class fluted drill adopts monolithic construction usually, namely be non-removable between knife bar and cutter head, adopt between knife bar and cutter head and be welded and fixed, cause the production cost of carbide alloy class fluted drill high, resource utilization is low, it is particularly evident that this embodies in large gauge carbide alloy class fluted drill, in addition, also make the processing of carbide alloy class fluted drill not easily, processed complex, service life is short.Also do not have a kind of reasonable in design at present, machining accuracy is high, stability of rotation, and cutter head convenient mounting and clamping, firmly, cutter head can be given up, the drill bit knife bar of long service life.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and provides a kind of reasonable in design, and machining accuracy is high, stability of rotation, and cutter head convenient mounting and clamping, firmly, cutter head can be given up, the knife bar of the interchangeable cutter bit type drill bit of long service life.
The technical scheme in the invention for solving the above technical problem is: the knife bar of this interchangeable cutter bit type drill bit comprises cutter bar body, described cutter bar body is provided with chip area, its design feature is: the front end of described cutter bar body is provided with a boss and No. two boss, a described boss is provided with a supporting plane and a fixing screw hole, the axis of a described fixing screw hole is vertical with a supporting plane, described No. two boss are provided with No. two supporting planes and No. two fixing screw holes, the axis of described No. two fixing screw holes is vertical with No. two supporting planes, insert groove is formed between a described supporting plane and No. two supporting planes, the bottom of described insert groove is provided with locating hole.
As preferably, inner cooling channel is provided with in cutter bar body described in the utility model, on the back-end central of shank of the import position cutter bar body of described inner cooling channel or the cylindrical of shank, the outlet of this inner cooling channel is arranged in blade end face or chip area by cutter head place.
As preferably, a supporting plane described in the utility model and No. two supporting planes are all perpendicular to the bottom surface of insert groove.
As preferably, a supporting plane described in the utility model is after knife bar axis rotates 180 degree, and No. two supporting plane overlaps.
As preferably, a boss described in the utility model is after knife bar axis rotates 180 degree, and No. two boss overlaps.
As preferably, the axis of locating hole described in the utility model and cutter spindle line overlap.
As preferably, a supporting plane described in the utility model and No. two supporting planes parallel, and this supporting plane and No. two supporting planes all parallel with knife bar axis.
As preferably, chip area described in the utility model is straight groove structure or helical groove structure.
As preferably, the quantity of chip area described in the utility model is two.
The utility model compared with prior art, has the following advantages and effect: structure is simple, reasonable in design, insert groove is formed between a supporting plane and No. two supporting planes, the bottom of insert groove is provided with locating hole, and cutter head is fixed in insert groove, and a supporting plane and No. two supporting planes play good support and position-limiting action to cutter head, machining accuracy is high, stability of rotation, cutter head convenient mounting and clamping, firmly, cutter head can be given up, long service life, chip removal is more smooth and easy.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the knife bar of interchangeable cutter bit type drill bit in the utility model embodiment.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the right TV structure schematic diagram of Fig. 1.
Fig. 4 is the perspective view of the knife bar of interchangeable cutter bit type drill bit in the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Embodiment.
See Fig. 1 to Fig. 4, in the present embodiment, the knife bar of interchangeable cutter bit type drill bit comprises cutter bar body 1, wherein, cutter bar body 1 is provided with chip area 2, and the quantity of chip area 2 is two, and chip area 2 is straight groove structure or helical groove structure.
In the present embodiment, the front end of cutter bar body 1 is provided with a boss 5 and No. two boss 6, a boss 5 is provided with a supporting plane 7 and a fixing screw hole 9, the axis of a fixing screw hole 9 is vertical with a supporting plane 7, the axis No. two boss 6 being provided with No. two supporting planes 8 and No. two fixing screw holes 10, No. two fixing screw holes 10 is vertical with No. two supporting planes 8.
Form insert groove 3 between a supporting plane 7 in the present embodiment and No. two supporting planes 8, the bottom of insert groove 3 is provided with locating hole 4, and the axis of locating hole 4 and knife bar axis x overlap, belong to centralized positioning.
Be provided with inner cooling channel 11 in the cutter bar body 1 of the present embodiment, on the back-end central of shank of the import position cutter bar body 1 of inner cooling channel 11 or the cylindrical of shank, the outlet of this inner cooling channel 11 is arranged in blade end face or chip area 2 by cutter head place.
A supporting plane 7 in the present embodiment and No. two supporting planes 8 are all perpendicular to the bottom surface of insert groove 3; A supporting plane 7 is after knife bar axis x revolves turnback, and No. two supporting planes 8 are overlapping; A boss 5 is after knife bar axis x revolves turnback, and No. two boss 6 are overlapping; A supporting plane 7 and No. two supporting planes 8 parallel, and this supporting plane 7 and No. two supporting planes 8 all parallel with knife bar axis x.
In the present embodiment the knife bar of interchangeable cutter bit type drill bit can facilitate, firmly clamping cutter head, all-in-one-piece drill bit is changed to head replaceable drill bit, and cutter head adopts center positioning hole, screw and insert groove 3 to fix.Chip area 2 in the present embodiment can strengthen cross section, forms the chip area 2 of super large, this cutting-tool's used life is lengthened, cost reduction, and chip area 2 cross section of super large, clamping screw hole and insert groove, make it can be applicable to the cutter of multiple specification.The utility model can pass through clip type fixturing blade, can adopt self-control blade, and to improve drill bit service efficiency and service life, raising machining accuracy, more firm when making cutter head clamping on knife bar, drilling is more steady, and chip removal is more smooth and easy.
In addition, it should be noted that, the specific embodiment described in this description, the shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this description is only to the explanation of the utility model structure example.The equivalence change that structure, feature and principle described in all foundation the utility model inventional idea are done or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (9)
1. the knife bar of an interchangeable cutter bit type drill bit, comprise cutter bar body, described cutter bar body is provided with chip area, it is characterized in that: the front end of described cutter bar body is provided with a boss and No. two boss, a described boss is provided with a supporting plane and a fixing screw hole, the axis of a described fixing screw hole is vertical with a supporting plane, described No. two boss are provided with No. two supporting planes and No. two fixing screw holes, the axis of described No. two fixing screw holes is vertical with No. two supporting planes, insert groove is formed between a described supporting plane and No. two supporting planes, the bottom of described insert groove is provided with locating hole.
2. the knife bar of interchangeable cutter bit type drill bit according to claim 1, it is characterized in that: in described cutter bar body, be provided with inner cooling channel, on the back-end central of shank of the import position cutter bar body of described inner cooling channel or the cylindrical of shank, the outlet of this inner cooling channel is arranged in blade end face or chip area by cutter head place.
3. the knife bar of interchangeable cutter bit type drill bit according to claim 1 and 2, is characterized in that: a described supporting plane and No. two supporting planes are all perpendicular to the bottom surface of insert groove.
4. the knife bar of interchangeable cutter bit type drill bit according to claim 1 and 2, is characterized in that: a described supporting plane is after knife bar axis rotates 180 degree, and No. two supporting plane overlaps.
5. the knife bar of interchangeable cutter bit type drill bit according to claim 1 and 2, is characterized in that: a described boss is after knife bar axis rotates 180 degree, and No. two boss overlaps.
6. the knife bar of interchangeable cutter bit type drill bit according to claim 1 and 2, is characterized in that: the axis of described locating hole and cutter spindle line overlap.
7. the knife bar of interchangeable cutter bit type drill bit according to claim 1 and 2, is characterized in that: a described supporting plane and No. two supporting planes parallel, and this supporting plane and No. two supporting planes all parallel with knife bar axis.
8. the knife bar of interchangeable cutter bit type drill bit according to claim 1 and 2, is characterized in that: described chip area is straight groove structure or helical groove structure.
9. the knife bar of interchangeable cutter bit type drill bit according to claim 1 and 2, is characterized in that: the quantity of described chip area is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319396.6U CN204657566U (en) | 2015-05-18 | 2015-05-18 | The knife bar of interchangeable cutter bit type drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319396.6U CN204657566U (en) | 2015-05-18 | 2015-05-18 | The knife bar of interchangeable cutter bit type drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204657566U true CN204657566U (en) | 2015-09-23 |
Family
ID=54128001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520319396.6U Active CN204657566U (en) | 2015-05-18 | 2015-05-18 | The knife bar of interchangeable cutter bit type drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204657566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252047A (en) * | 2015-11-27 | 2016-01-20 | 中航成飞民用飞机有限责任公司 | Guide hole drill |
-
2015
- 2015-05-18 CN CN201520319396.6U patent/CN204657566U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252047A (en) * | 2015-11-27 | 2016-01-20 | 中航成飞民用飞机有限责任公司 | Guide hole drill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104907612A (en) | Drill bit of replaceable cutter head type structure | |
| CN203124762U (en) | Four-boss positioning cutter | |
| CN202861476U (en) | High-efficiency high-precision deep hole drill | |
| CN104907613A (en) | Replaceable cutter head type drill bit | |
| CN204657566U (en) | The knife bar of interchangeable cutter bit type drill bit | |
| CN204657565U (en) | Interchangeable cutter bit type drill bit | |
| CN204657564U (en) | The drill bit of interchangeable cutter bit type structure | |
| CN201470913U (en) | Combination cutter for processing cross parts | |
| CN204657563U (en) | The drill bit knife bar of interchangeable cutter bit type structure | |
| CN204209147U (en) | Compound tool | |
| CN203003220U (en) | Double-margin spade drill blade | |
| CN203265708U (en) | Counter bore drill bit | |
| CN205551564U (en) | Spot facing cutter is cut to sheet metal terminal surface | |
| CN203235979U (en) | Boring tool for completing hole rough machining and hole finish machining once | |
| CN202555910U (en) | Reamer | |
| CN204657567U (en) | The cutter head of interchangeable cutter bit type drill bit | |
| CN205341954U (en) | Top load lathe boring cutter | |
| CN204657557U (en) | The drill bit cutter head of interchangeable cutter bit type structure | |
| CN202070925U (en) | Rotating and automatic positioning structure | |
| CN205464473U (en) | Long service life , shovel that machining precision is high bore blade | |
| CN203018804U (en) | Steel plate drill with chamfering function | |
| CN205888175U (en) | Reverse rimer of carbide shaping | |
| CN205571426U (en) | Combined lathe tool | |
| CN202199808U (en) | Spiral bit with replaceable blade | |
| CN202147046U (en) | Special milling cutter for facing bolt holes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 314301 No. 699, Yanshan Road, liuliji Town, Shupu Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Xinxing Tools Co.,Ltd. Address before: No. 33, Huanbei Road, liuliji Town, Shupu Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG XINXING TOOLS Co.,Ltd. |
|
| CP03 | Change of name, title or address |