CN201483087U - Gun reamer for machining valve guide bore - Google Patents
Gun reamer for machining valve guide bore Download PDFInfo
- Publication number
- CN201483087U CN201483087U CN2009200926917U CN200920092691U CN201483087U CN 201483087 U CN201483087 U CN 201483087U CN 2009200926917 U CN2009200926917 U CN 2009200926917U CN 200920092691 U CN200920092691 U CN 200920092691U CN 201483087 U CN201483087 U CN 201483087U
- Authority
- CN
- China
- Prior art keywords
- cutting
- valve guide
- chip dividing
- cutting blade
- working portion
- 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 - Fee Related
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Abstract
The utility model relates to the field of cutters, in particular to a machining cutter. The utility model discloses a gun reamer for machining a valve guide bore, which comprises a working part and a cutter holder part, wherein the working part comprises a cutting cone part and a column part, the cutting cone part comprises a cutting blade, the outer circumference of the working part is provided with chip dividing grooves, two sides of each chip dividing groove are respectively provided with a guide bar, and the cutting blade is provided with an inclination angle of 4-7 degrees. The cutting blade is provided with the inclination angle of 4-7 degrees, which effectively increases the cutting sharpness and reduces the cavity shrinkage quantity. By additionally arranging one guide bar between every two adjacent chip dividing grooves, the stability of cutting the blade is effectively improved, the circular degree and the straightness of a machined hole are improved, and the service life of the cutter is prolonged.
Description
Technical field
The utility model relates to the cutter field, especially relates to a kind of machine tool.
Background technology
The rifle reamer has one or more cutter tooth, in order to the rotary cutter of excision hole machined surface thin metal layer.Can obtain accurate dimensions and shape through the hole after the reamer processing.The rifle reamer is used for the hole after drilling (or reaming) processing on the ream workpiece, mainly is in order to improve the machining accuracy in hole, to reduce its surperficial roughness, is fine finishining and the semi-finished cutter that is used for the hole, and allowance is generally very little.It is more commonly used to be used for the rifle reamer in processing column shape hole.
The existing rifle reamer that is used to process the engine duct hole is that single-blade does not have cutting edge inclination, and no cutting edge inclination causes the sharpness deficiency of blade; Because the rifle reamer is a single-blade, so the blade quick abrasion, cutter life is short; The gib block of original cutter has only two, makes the blade poor stability in when cutting, and is difficult for guaranteeing the circularity and the linearity in hole, has also influenced the life-span of cutter in addition.
The utility model content
The purpose of this utility model is to provide a kind of rifle reamer that increases the cutting edge sharpness and improve the processing valve guide hole of cutting stability.
The technical solution of the utility model is:
A kind of rifle reamer of processing valve guide hole, comprise working portion and shank portion, working portion comprises cutting tapering and columnar portion, the cutting tapering comprises cutting blade, the excircle of described working portion is provided with chip dividing groove, the chip dividing groove both sides respectively are provided with a gib block, and described cutting blade is provided with cutting edge inclination.
Described cutting edge inclination is 4 °-7 °.
Be provided with at least three gib blocks between the described adjacent chip dividing groove.
Described cutting blade quantity is two.
Described two cutting blades are symmetrically distributed according to the axis of working portion.
The utility model is provided with cutting edge inclination with cutting edge, and cutting edge inclination is 4 °-7 °, and the sharpness that this has increased cutting has effectively reduced contraction cavities; By between adjacent two smear metal separating tanks, increasing a gib block, effectively improved the stability of blade cutting, improved the circularity and the linearity in the hole of processing, also increased the life-span of cutter.The cutting edge quantity of working portion is made as two, has prolonged the life-span of cutter effectively.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the enlarged drawing of the left view of Fig. 1;
Fig. 3 is the enlarged drawing of A-A cutaway view among Fig. 1.
The specific embodiment
As shown in Figure 1, the utility model comprises working portion 1 and shank portion 2, and working portion 1 comprises cutting tapering 6 and columnar portion 7.As shown in Figure 2, cutting tapering 6 is arranged with two cutting blades 3, the cutting edge inclination α=4-7 of sharpener sword 3 °.
As shown in Figure 3, be arranged with two chip dividing grooves 8 on the excircle of working portion 1, be provided with two gib blocks 5,9 between the chip dividing groove 8, set up the gib block 4 of a broad between two gib blocks 5,9, gib block 4,5,9 axis according to working portion 1 are symmetrical arranged.Need to prove that the quantity of gib block 4 can be provided with two or more as required, so approximate variation still drops within the protection domain of the present utility model.
Claims (7)
1. rifle reamer of processing valve guide hole, comprise working portion and shank portion, working portion comprises cutting tapering and columnar portion, the cutting tapering comprises cutting blade, the excircle of described working portion is provided with chip dividing groove, the chip dividing groove both sides respectively are provided with a gib block, it is characterized in that: described cutting blade is provided with cutting edge inclination.
2. according to the rifle reamer of the described processing valve guide hole of claim 1, it is characterized in that: described cutting edge inclination is 4 °-7 °.
3. according to the rifle reamer of claim 1 or 2 described processing valve guide holes, it is characterized in that: be provided with at least three gib blocks between the described adjacent chip dividing groove.
4. according to the rifle reamer of claim 1 or 2 described processing valve guide holes, it is characterized in that: described cutting blade quantity is two.
5. according to the rifle reamer of the described processing valve guide hole of claim 4, it is characterized in that: described two cutting blades are symmetrically distributed according to the axis of working portion.
6. according to the rifle reamer of the described processing valve guide hole of claim 3, it is characterized in that: described cutting blade quantity is two.
7. according to the rifle reamer of the described processing valve guide hole of claim 6, it is characterized in that: described two cutting blades are symmetrically distributed according to the axis of working portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200926917U CN201483087U (en) | 2009-08-28 | 2009-08-28 | Gun reamer for machining valve guide bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200926917U CN201483087U (en) | 2009-08-28 | 2009-08-28 | Gun reamer for machining valve guide bore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201483087U true CN201483087U (en) | 2010-05-26 |
Family
ID=42421982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200926917U Expired - Fee Related CN201483087U (en) | 2009-08-28 | 2009-08-28 | Gun reamer for machining valve guide bore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201483087U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189296A (en) * | 2011-04-13 | 2011-09-21 | 郑州市钻石精密制造有限公司 | Gun reamer used for processing air intake conduit hole |
| CN102672277A (en) * | 2012-03-30 | 2012-09-19 | 郑州市钻石精密制造有限公司 | Precise composite reamer |
| CN107855577A (en) * | 2017-10-16 | 2018-03-30 | 杭州联德精密机械股份有限公司 | A kind of oval aperture knife tool and the method that oval hole machined is carried out using the cutter |
| CN114714093A (en) * | 2022-04-13 | 2022-07-08 | 长城汽车股份有限公司 | Reaming and milling composite cutter |
| CN116810045A (en) * | 2023-04-10 | 2023-09-29 | 北京科技大学 | Bar cutting discharging mechanism suitable for friction stir material adding device |
-
2009
- 2009-08-28 CN CN2009200926917U patent/CN201483087U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189296A (en) * | 2011-04-13 | 2011-09-21 | 郑州市钻石精密制造有限公司 | Gun reamer used for processing air intake conduit hole |
| CN102672277A (en) * | 2012-03-30 | 2012-09-19 | 郑州市钻石精密制造有限公司 | Precise composite reamer |
| CN107855577A (en) * | 2017-10-16 | 2018-03-30 | 杭州联德精密机械股份有限公司 | A kind of oval aperture knife tool and the method that oval hole machined is carried out using the cutter |
| CN114714093A (en) * | 2022-04-13 | 2022-07-08 | 长城汽车股份有限公司 | Reaming and milling composite cutter |
| CN116810045A (en) * | 2023-04-10 | 2023-09-29 | 北京科技大学 | Bar cutting discharging mechanism suitable for friction stir material adding device |
| CN116810045B (en) * | 2023-04-10 | 2024-03-15 | 北京科技大学 | Bar cutting discharging mechanism suitable for friction stir material adding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20130828 |