CN204657563U - The drill bit knife bar of interchangeable cutter bit type structure - Google Patents
The drill bit knife bar of interchangeable cutter bit type structure Download PDFInfo
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- CN204657563U CN204657563U CN201520319334.5U CN201520319334U CN204657563U CN 204657563 U CN204657563 U CN 204657563U CN 201520319334 U CN201520319334 U CN 201520319334U CN 204657563 U CN204657563 U CN 204657563U
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- cutter head
- cutter
- knife bar
- head locating
- locating slot
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Abstract
The utility model relates to a kind of drill bit knife bar of interchangeable cutter bit type structure.Also do not have a kind of reasonable in design at present, machining accuracy is high, and 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 cutter head locating slot, this cutter head locating slot is connected with chip area, the bottom of described cutter head locating slot is provided with cutter head locating hole, the outer wall of described cutter bar body is provided with cutter head fixing hole, this cutter head fixing hole and cutter head locating hole intersect vertically, described cutter head locating slot is provided with two supporting planes, described two supporting planes all with the bottom vertical of cutter head locating slot, a supporting plane is after knife bar axis rotates 180 degree, overlapping with another supporting plane.Reasonable in design of the present utility model, machining accuracy is high, and cutter head can be given up, long service life.
Description
Technical field
The utility model relates to a kind of drill bit knife bar, especially relates to a kind of drill bit knife bar of interchangeable cutter bit type structure, 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, and 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, and cutter head can be given up, the drill bit knife bar of the interchangeable cutter bit type structure of long service life.
The technical scheme in the invention for solving the above technical problem is: the drill bit knife bar of this interchangeable cutter bit type structure 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 cutter head locating slot, this cutter head locating slot is connected with chip area, the bottom of described cutter head locating slot is provided with cutter head locating hole, the outer wall of described cutter bar body is provided with cutter head fixing hole, this cutter head fixing hole and cutter head locating hole intersect vertically, described cutter head locating slot is provided with two supporting planes, described two supporting planes all with the bottom vertical of cutter head locating slot, a supporting plane is after knife bar axis rotates 180 degree, overlapping with another supporting plane.
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, cutter head locating slot described in the utility model is two L shape structures, and a L shape structure is after knife bar axis rotates 180 degree, and another L shape Structural superposition.
As preferably, cutter head fixing hole described in the utility model is screw hole structure.
As preferably, cutter head locating hole described in the utility model is cylindrical structural.
As preferably, the axis of cutter head locating hole described in the utility model and cutter spindle line overlap.
As preferably, chip area described in the utility model is straight groove structure or helical groove structure.
The utility model compared with prior art, have the following advantages and effect: structure is simple, reasonable in design, interchangeable bit, long service life, cutter head locating slot is provided with two supporting planes, for supporting cutter head, make the more steady of the rotation of cutter head, and be conducive to improving machining accuracy and improving installation accuracy, improve the overall performance of drill bit.The front end of cutter bar body is provided with cutter head locating slot, and cutter head locating slot is connected with chip area, and the bottom of cutter head locating slot is provided with cutter head locating hole, the outer wall of cutter bar body is provided with cutter head fixing hole, make cutter head clamping more firm on knife bar, drilling is more steady, and chip removal is more smooth and easy.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the drill bit knife bar of interchangeable cutter bit type structure in the utility model embodiment.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the left TV structure schematic diagram of Fig. 1.
Fig. 4 is the perspective view of the drill bit knife bar of interchangeable cutter bit type structure 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 drill bit knife bar of interchangeable cutter bit type structure comprises cutter bar body 1, cutter bar body 1 is provided with chip area 2, and the quantity of chip area 2 is two, and this chip area 2 can be straight groove structure or helical groove structure.
In the present embodiment, the front end of cutter bar body 1 is provided with cutter head locating slot 3, and respectively with two, the both sides chip area 2 of this cutter head locating slot 3 is connected, and makes chip removal more smooth and easy.In the present embodiment, the bottom of cutter head locating slot 3 is provided with cutter head locating hole 5, and cutter head locating hole 5 is cylindrical structural, the axis of cutter head locating hole 5 and knife bar axis x overlap.In the present embodiment, the outer wall of cutter bar body 1 is provided with cutter head fixing hole 4, and cutter head fixing hole 4 is screw hole structure, and cutter head fixing hole 4 and cutter head locating hole 5 intersect vertically.
Cutter head locating slot 3 in the present embodiment is provided with two supporting planes 7, two supporting planes 7 all with the plane perpendicular of cutter head locating slot 3, a supporting plane 7 is after knife bar axis x revolves turnback, overlapping with another supporting plane 7, two supporting planes 7 are for supporting cutter head, make the more steady of the rotation of cutter head, drilling is more steady, and is conducive to improving machining accuracy and improving installation accuracy.
Inner cooling channel 6 is provided with in cutter bar body 1 in the present embodiment, namely have employed the interior type of cooling, on the back-end central of shank of the import position cutter bar body 1 of inner cooling channel 6 or the cylindrical of shank, the outlet of this inner cooling channel 6 is arranged in blade end face or chip area 2 by cutter head place.In the present embodiment, cutter bar body 1 also can not adopt the interior type of cooling.
Cutter head locating slot 3 in the present embodiment is two L shape structures, and a L shape structure is after knife bar axis x revolves turnback, and another L shape Structural superposition.
In the present embodiment the drill bit knife bar of interchangeable cutter bit type structure can facilitate, firmly clamping cutter head, be head replaceable drill bit by all-in-one-piece drilling-bit improvement, cutting-tool's used life is extended, cost reduces.The present embodiment can strengthen the cross section of chip area 2, to form chip area 2 cross section of super large.Clamping screw hole in the present embodiment and insert groove can be applicable to the cutter of multiple specification, widely applicable.The present embodiment can pass through clip type fixturing blade, can adopt self-control blade, improves drill bit service efficiency and service life, raising machining accuracy.
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 (7)
1. the drill bit knife bar of an interchangeable cutter bit type structure, 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 cutter head locating slot, this cutter head locating slot is connected with chip area, the bottom of described cutter head locating slot is provided with cutter head locating hole, the outer wall of described cutter bar body is provided with cutter head fixing hole, this cutter head fixing hole and cutter head locating hole intersect vertically, described cutter head locating slot is provided with two supporting planes, described two supporting planes all with the bottom vertical of cutter head locating slot, a supporting plane is after knife bar axis rotates 180 degree, overlapping with another supporting plane.
2. the drill bit knife bar of interchangeable cutter bit type structure 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 drill bit knife bar of interchangeable cutter bit type structure according to claim 1 and 2, is characterized in that: described cutter head locating slot is two L shape structures, and a L shape structure is after knife bar axis rotates 180 degree, and another L shape Structural superposition.
4. the drill bit knife bar of interchangeable cutter bit type structure according to claim 1 and 2, is characterized in that: described cutter head fixing hole is screw hole structure.
5. the drill bit knife bar of interchangeable cutter bit type structure according to claim 1 and 2, is characterized in that: described cutter head locating hole is cylindrical structural.
6. the drill bit knife bar of interchangeable cutter bit type structure according to claim 1 and 2, is characterized in that: the axis of described cutter head locating hole and cutter spindle line overlap.
7. the drill bit knife bar of interchangeable cutter bit type structure according to claim 1 and 2, is characterized in that: described chip area is straight groove structure or helical groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319334.5U CN204657563U (en) | 2015-05-18 | 2015-05-18 | The drill bit knife bar of interchangeable cutter bit type structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319334.5U CN204657563U (en) | 2015-05-18 | 2015-05-18 | The drill bit knife bar of interchangeable cutter bit type structure |
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| Publication Number | Publication Date |
|---|---|
| CN204657563U true CN204657563U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520319334.5U Active CN204657563U (en) | 2015-05-18 | 2015-05-18 | The drill bit knife bar of interchangeable cutter bit type structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113385701A (en) * | 2021-06-29 | 2021-09-14 | 惠州市富丽电子有限公司 | Drilling and milling integrated tool, machining equipment and polaroid machining process |
-
2015
- 2015-05-18 CN CN201520319334.5U patent/CN204657563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113385701A (en) * | 2021-06-29 | 2021-09-14 | 惠州市富丽电子有限公司 | Drilling and milling integrated tool, machining equipment and polaroid machining process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| 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. |