CN203636027U - Large center drill - Google Patents
Large center drill Download PDFInfo
- Publication number
- CN203636027U CN203636027U CN201320852798.3U CN201320852798U CN203636027U CN 203636027 U CN203636027 U CN 203636027U CN 201320852798 U CN201320852798 U CN 201320852798U CN 203636027 U CN203636027 U CN 203636027U
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- Prior art keywords
- center drill
- cutting
- utility
- large center
- model
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Abstract
The utility model relates to a large center drill. The large center drill comprises a center drill body and two cutting grooves in the same shape, wherein each cutting groove is composed of a cutting tool surface and a chip groove, the cutting tool surfaces are straight planes, the cross section of each chip groove is a curve in the shape of a parabola, and a spiral concave part is arranged on the surface of each chip groove. The large center drill has the advantages that effective cutting can be achieved due to the shape of the large center drill, and scrap iron can be discharged in time due to the spiral concave parts on the surfaces of the chip grooves of the large center drill.
Description
Technical field
The utility model relates to Machining Technology field, relates to or rather a kind of large specification centre drill.
Background technology
Large specification centre drill is a kind of advanced cutter of processing large specification centre bore.The large specification centre bore positioning precision processing with large specification centre drill is high, and can play the effect of automatic location.Large specification centre drill, because cutting output is large, need to be discharged iron filings in time, otherwise the iron filings of piling up can cause local temperature to raise and Repeated Cutting.
Because solve above-mentioned existing needs, the design people is based on being engaged in this type of product design manufacture for many years, and long-pending have abundant practical experience and professional knowledge, and actively research and innovation in addition, to founding a kind of large specification centre drill, makes it have more competitiveness.Through constantly research, design, and after repeatedly studying sample and improving, finally create the utility model having practical value.
Utility model content
Technical problem underlying to be solved in the utility model is, in the large specification centre drill course of work, can effectively cut and iron filings be discharged rapidly.
The utility model solves its technical problem underlying and realizes by the following technical solutions.According to the large specification centre drill of one the utility model proposes, comprise the cutting slot of centre drill main body and two same shapes, cutting slot is by cutting knife face and chip area forms, cutting knife face is straight plane, the cross section of chip area has the curve that is parabolic shape, on chip area surface with spiral depression position.
The beneficial effects of the utility model are, the shape of large specification centre drill can be cut effectively, and the lip-deep spirality depression of large specification centre drill chip area position contributes to iron filings to discharge in time.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model feature part, for making professional and technical personnel can better understand technological means of the present utility model, and can be implemented according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing describe in detail.
The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model.
Fig. 2 is the expansion schematic diagram on chip area surface.
Description of reference numerals: 1, cutting knife face; 2, depression position; 3, chip area; 4, centre drill main body.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment, structure, feature and effect thereof according to the utility model proposes, be described in detail as follows.
Refer to shown in Fig. 1 and Fig. 2, the large specification centre drill of one of the present utility model, comprise the cutting slot of centre drill main body 4 and two same shapes, cutting slot is by cutting knife face 1 and chip area 3 forms, cutting knife face 1 is straight plane, the cross section of chip area 3 has the curve that is parabolic shape, and chip area 3 surfaces are upper with spiral depression position 2.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (1)
1. a large specification centre drill, it is characterized in that: described large specification centre drill comprises the cutting slot of centre drill main body and two same shapes, described cutting slot is by cutting knife face and chip area forms, described cutting knife face is straight plane, the cross section of described chip area has the curve that is parabolic shape, on described chip area surface with spiral depression position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852798.3U CN203636027U (en) | 2013-12-23 | 2013-12-23 | Large center drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852798.3U CN203636027U (en) | 2013-12-23 | 2013-12-23 | Large center drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203636027U true CN203636027U (en) | 2014-06-11 |
Family
ID=50867307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320852798.3U Expired - Fee Related CN203636027U (en) | 2013-12-23 | 2013-12-23 | Large center drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203636027U (en) |
-
2013
- 2013-12-23 CN CN201320852798.3U patent/CN203636027U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20140611 Termination date: 20151223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |