CN204747600U - Cold drill bit in carbide - Google Patents
Cold drill bit in carbide Download PDFInfo
- Publication number
- CN204747600U CN204747600U CN201520181387.5U CN201520181387U CN204747600U CN 204747600 U CN204747600 U CN 204747600U CN 201520181387 U CN201520181387 U CN 201520181387U CN 204747600 U CN204747600 U CN 204747600U
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- China
- Prior art keywords
- drill bit
- chip
- chip groove
- chip area
- pawl
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Abstract
The utility model provides a cold drill bit in carbide, including cutter body, chip groove and cutting edge, the cutter body is the cylinder, the outside of cutter body is equipped with spiral helicine chip groove, and its bottom is equipped with the cutting edge, the cutting edge comprises three triangular prism, is " mountain " font, a plurality of pawl platforms of evenly distributed in the chip groove, the pawl platform is end to end and becomes the echelonment, and perpendicular with the chip groove, still be provided with the chip breaking mouth that is used for the chip breaking on the cell wall of chip groove. The utility model discloses owing to set up a plurality of pawl platforms in the chip groove, when drill bit during in the drilling chip removal, its pawl platform can play the effect at mediation bits end, makes the chip groove of drill bit difficult crowded stifled by the bits ends, and the segment is cut into in the smear metal that chip breaking mouth on the chip groove can will cut the production, can not twine on the drill bit, has avoided the damage of smear metal to the drill bit, and in addition, cutting output that the cutting edge of " mountain " word structure can effectual reduction drill tip reduces the wearing and tearing of processing the work piece and causing to the drill tip.
Description
Technical field
The utility model relates to a kind of machining technique field, and specifically, the utility model relates to cold drill bit in a kind of carbide alloy.
Background technology
Drill bit goes out through hole or blind hole in order to drilling on solid material, and can to the cutter of existing hole reaming, drill bit is the cutter that boring is commonly used, drill bit is when holing, cut workpiece mainly through cutter head top, existing drill bit needs to ensure that chip is discharged smoothly, prevents from causing larger wearing and tearing to apex point in working angles simultaneously, after bit wear, need constantly more bit change.For the problems referred to above, those skilled in the art need badly provides cold drill bit in a kind of novel hard alloy.
Utility model content
The technical problems to be solved in the utility model is: provide one can discharge chip smoothly, cold drill bit in the carbide alloy that simultaneously can reduce drill tip wear.
The utility model solves the technical scheme that its technical problem adopts: provide cold drill bit in a kind of carbide alloy, comprise cutter hub, chip area and blade; Described cutter hub is cylinder, the outside of described cutter hub is provided with spiral helicine chip area, and its bottom is provided with blade, described blade is made up of three triangular prisms, in " mountain " font, be uniformly distributed some pawl platforms in described chip area, described pawl platform is stepped in joining end to end into, and vertical with chip area, the cell wall of described chip area is also provided with the chip breaking mouth for chip breaking.
Preferably, the spiral angle of described chip area is 32 °.
Preferably, described cutter hub comprises the hard alloy layer in outside and the polycrystalline diamond layer of inner side.
Preferably, the material of described blade is polycrystalline diamond.
Preferably, described chip breaking mouth is multiple, is evenly distributed on the cell wall of described chip area.
The utility model provides cold drill bit in a kind of carbide alloy, have the following advantages: owing to arranging some pawl platforms in chip area, when drill bit is when holing chip removal, its pawl platform can play the effect at dredging bits end, the chip area of drill bit is made not easily to be squeezed stifled by bits end, improve the speed of boring, drill bit also easily can not be fractureed because torsion is excessive, simultaneously when carrying out boring work, chip breaking mouth on chip area can be cut into segment by cutting the chip produced, can not be wound on drill bit, avoid the damage of chip to drill bit, in addition, the blade of " mountain " word structure effectively can reduce the cutting output of apex point, reduce the wearing and tearing that processing work causes apex point.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of cold drill bit preferred embodiment in carbide alloy of the present utility model.
[in figure Reference numeral]:
10. cutter hub, 20. chip areas, 30. blades, 40. pawl platforms, 50. chip breaking mouths, 60. hard alloy layers, 70. polycrystalline diamonds.
Detailed description of the invention
For making content of the present utility model clearly understandable, below in conjunction with Figure of description, content of the present utility model is described further.Certain the utility model is not limited to this specific embodiment, and the general replacement known by those skilled in the art is also encompassed in protection domain of the present utility model.Secondly, the utility model detailed statement that utilized schematic diagram to carry out, when describing the utility model example in detail, for convenience of explanation, schematic diagram, should in this, as to restriction of the present utility model not according to general ratio partial enlargement.
Above-mentioned and other technical characteristic and beneficial effect, will in conjunction with the embodiments and accompanying drawing 1 drill bit cold in carbide alloy of the present utility model is described in detail.As shown in Figure 1, Fig. 1 is the structural representation of cold drill bit preferred embodiment in carbide alloy of the present utility model.
As shown in Figure 1, the utility model provides cold drill bit in a kind of carbide alloy, comprises cutter hub 10, chip area 20 and blade 30; Cutter hub 10 is cylinder, and the outside of cutter hub 10 is provided with spiral helicine chip area 20, and its bottom is provided with blade 30, blade 30 is made up of three triangular prisms, in " mountain " font, the blade 30 of " mountain " word structure effectively can reduce the cutting output of apex point, reduces the wearing and tearing that processing work causes apex point.
In the present embodiment, be uniformly distributed some pawl platforms 40 in chip area 20, pawl platform 40 is stepped in joining end to end into, and vertical with chip area 20.Owing to arranging some pawl platforms 40 in chip area 20, when drill bit is when holing chip removal, its pawl platform 40 can play the effect at dredging bits end, makes the chip area 40 of drill bit not easily be squeezed stifled by bits end, improve the speed of boring, drill bit also easily can not be fractureed because torsion is excessive.
In addition, the cell wall of chip area 20 is also provided with the chip breaking mouth 50 for chip breaking; Chip breaking mouth 50 can be multiple, is evenly distributed on the cell wall of described chip area 20, and the chip breaking mouth 50 on chip area 20 can be cut into segment by cutting the chip produced, and can not be wound on drill bit, avoid the damage of chip to drill bit.
Concrete, the spiral angle of chip area 20 is 32 °, and the setting of this angle can be convenient to chip removal.
In the present embodiment, cutter hub comprises the hard alloy layer 60 in outside and the polycrystalline diamond layer 70 of inner side, and the material of blade 30 is preferably polycrystalline diamond; Because the quality of polycrystalline diamond is comparatively hard, the wearing and tearing of blade 30 also can be reduced.
Although the utility model essentially describes above embodiment, just come as an example to be described, and the utility model is not limited to this.Those of ordinary skill in the art can make multiple modification and application and not depart from the essential characteristics of embodiment.Such as, each parts that embodiment is shown in detail can be revised and run, to described modification with apply relevant difference and can think and be included in protection domain of the present utility model that claims limit.
Embodiment involved in this description, its implication is that specially feature, structure or the characteristic described in conjunction with this embodiment is included at least one embodiment of the present utility model.These terms come across in description everywhere differ to establish a capital and relate to same embodiment.In addition, when describing special characteristic, structure or characteristic in conjunction with any embodiment, all think that it falls in the scope of these special characteristics, structure or the characteristic that those of ordinary skill in the art just can realize in conjunction with other embodiments.
Claims (5)
1. a cold drill bit in carbide alloy, is characterized in that, comprises cutter hub, chip area and blade; Described cutter hub is cylinder, the outside of described cutter hub is provided with spiral helicine chip area, and its bottom is provided with blade, described blade is made up of three triangular prisms, in " mountain " font, be uniformly distributed some pawl platforms in described chip area, described pawl platform is stepped in joining end to end into, and vertical with chip area, the cell wall of described chip area is also provided with the chip breaking mouth for chip breaking.
2. cold drill bit in carbide alloy as claimed in claim 1, it is characterized in that, the spiral angle of described chip area is 32 °.
3. cold drill bit in carbide alloy as claimed in claim 1, is characterized in that, described cutter hub comprises the hard alloy layer in outside and the polycrystalline diamond layer of inner side.
4. cold drill bit in carbide alloy as claimed in claim 1, it is characterized in that, the material of described blade is polycrystalline diamond.
5. cold drill bit in carbide alloy as claimed in claim 1, it is characterized in that, described chip breaking mouth is multiple, is evenly distributed on the cell wall of described chip area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181387.5U CN204747600U (en) | 2015-03-27 | 2015-03-27 | Cold drill bit in carbide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181387.5U CN204747600U (en) | 2015-03-27 | 2015-03-27 | Cold drill bit in carbide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204747600U true CN204747600U (en) | 2015-11-11 |
Family
ID=54462354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520181387.5U Expired - Fee Related CN204747600U (en) | 2015-03-27 | 2015-03-27 | Cold drill bit in carbide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204747600U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111670079A (en) * | 2018-02-06 | 2020-09-15 | 国立大学法人东海国立大学机构 | Drill and drilling device |
| CN114178591A (en) * | 2021-12-16 | 2022-03-15 | 铣立(上海)切削技术有限公司 | High-efficiency universal drill bit for finish machining |
-
2015
- 2015-03-27 CN CN201520181387.5U patent/CN204747600U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111670079A (en) * | 2018-02-06 | 2020-09-15 | 国立大学法人东海国立大学机构 | Drill and drilling device |
| CN114178591A (en) * | 2021-12-16 | 2022-03-15 | 铣立(上海)切削技术有限公司 | High-efficiency universal drill bit for finish machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151111 Termination date: 20160327 |