CN202850864U - Down-the-hole drill bit refined forge part with powder groove - Google Patents
Down-the-hole drill bit refined forge part with powder groove Download PDFInfo
- Publication number
- CN202850864U CN202850864U CN 201220371080 CN201220371080U CN202850864U CN 202850864 U CN202850864 U CN 202850864U CN 201220371080 CN201220371080 CN 201220371080 CN 201220371080 U CN201220371080 U CN 201220371080U CN 202850864 U CN202850864 U CN 202850864U
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- CN
- China
- Prior art keywords
- drill bit
- cylinder
- cylindrical face
- face
- hole drill
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a down-the-hole drill bit refined forge part with a powder groove. The down-the-hole drill bit refined forge part is convenient to process and comprises a drill bit head portion and a spline tooth portion. The drill bit head portion comprises a flat face, an annular inclined face, a powder discharge groove, a first external circle cylinder face, a second external circle cylinder face, an external circle conical face and a third external circle cylinder face. The down-the-hole drill bit refined forge part has the advantages of being convenient to process, reducing machining, improving processing accuracy, being radially continuous in metal flow line and being good in material strength.
Description
Technical field
The utility model relates to a kind of mine engineering machinery down-the-hold drill bit fine forge piece.
Background technology
Down-the-hold drill bit adopts bar through the mode converted products with the removal material such as numerical control machining center car, brill, mill teeth at present, and processing cost is high, production efficiency is low, high material consumption; While, this processing method cost was high owing to usefulness is expensive alloy steel.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of band powder groove down-the-hold drill bit fine forge piece easy to process is provided.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: band powder groove down-the-hold drill bit fine forge piece, comprise: drill bit head and spline tooth section, described drill bit head comprises: plane, ring-type inclined-plane, sludge groove, the first cylindrical face of cylinder, the second cylindrical face of cylinder, cylindrical taper seat and the 3rd cylindrical face of cylinder.
The utility model has the advantages that: above-mentioned band powder groove down-the-hold drill bit fine forge piece, easy to process, reduced machine, improved machining accuracy, metal streamline is radially continuous, and strength of materials performance is good.
Description of drawings
Fig. 1 is the structural representation of the utility model band powder groove down-the-hold drill bit fine forge piece.
Among the figure: 1, spline tooth section, 2, the plane, 3, the ring-type inclined-plane, 4, sludge groove, 5, the first cylindrical face of cylinder, 6, the second cylindrical face of cylinder, 7, the cylindrical taper seat, the 8, the 3rd cylindrical face of cylinder.
The specific embodiment
Describe particular content of the present utility model in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, band powder groove down-the-hold drill bit fine forge piece, comprise: drill bit head and spline tooth section 1, described drill bit head comprises: plane 2, ring-type inclined-plane 3, sludge groove 4, the first cylindrical face of cylinder 5, the second cylindrical face of cylinder 6, cylindrical taper seat 7 and the 3rd cylindrical face of cylinder 8.
Above-mentioned band powder groove down-the-hold drill bit fine forge piece, easy to process, reduced machine, improved machining accuracy, metal streamline is radially continuous, and strength of materials performance is good.
Claims (1)
1. be with powder groove down-the-hold drill bit fine forge piece, it is characterized in that: comprising: drill bit head and spline tooth section (1), described drill bit head comprises: plane (2), ring-type inclined-plane (3), sludge groove (4), the first cylindrical face of cylinder (5), the second cylindrical face of cylinder (6), cylindrical taper seat (7) and the 3rd cylindrical face of cylinder (8), described spline tooth section (1) is connected with the lower end on the 3rd cylindrical face of cylinder (8), the upper end on the 3rd cylindrical face of cylinder (8) is connected with the lower end on the second cylindrical face of cylinder (6), the upper end on the second cylindrical face of cylinder (6) is connected with the lower end on the first cylindrical face of cylinder (5), be provided with plane (2) and ring-type inclined-plane (3) on the described first cylindrical face of cylinder (5), be provided with cylindrical taper seat (7) on described the 3rd cylindrical face of cylinder (8), on the described first cylindrical face of cylinder (5), be provided with sludge groove (4) on the periphery on the second cylindrical face of cylinder (6) and the 3rd cylindrical face of cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220371080 CN202850864U (en) | 2012-07-30 | 2012-07-30 | Down-the-hole drill bit refined forge part with powder groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220371080 CN202850864U (en) | 2012-07-30 | 2012-07-30 | Down-the-hole drill bit refined forge part with powder groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202850864U true CN202850864U (en) | 2013-04-03 |
Family
ID=47982075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220371080 Expired - Lifetime CN202850864U (en) | 2012-07-30 | 2012-07-30 | Down-the-hole drill bit refined forge part with powder groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202850864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880446A (en) * | 2016-04-11 | 2016-08-24 | 上海绿幽环保设备有限公司 | Molding method for wood drill blank |
-
2012
- 2012-07-30 CN CN 201220371080 patent/CN202850864U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880446A (en) * | 2016-04-11 | 2016-08-24 | 上海绿幽环保设备有限公司 | Molding method for wood drill blank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
|
| CX01 | Expiry of patent term |