CN203679434U - Reamer - Google Patents
Reamer Download PDFInfo
- Publication number
- CN203679434U CN203679434U CN201420072427.8U CN201420072427U CN203679434U CN 203679434 U CN203679434 U CN 203679434U CN 201420072427 U CN201420072427 U CN 201420072427U CN 203679434 U CN203679434 U CN 203679434U
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- CN
- China
- Prior art keywords
- reamer
- cutting edge
- guiding
- guiding sword
- angle
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- 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
A reamer comprises a reamer head and a reamer handle, and the reamer head and the reamer handle are fixedly connected. The reamer head comprises a reamer body, a cutting edge and a guiding edge. The cutting edge comprises a first cutting edge, a second cutting edge and a third cutting edge. The guiding edge comprises a first guiding edge, a second guiding edge and a third guiding edge. A first reamer angle is formed by the first cutting edge and the first guiding edge, a second reamer angle is formed by the second cutting edge and the second guiding edge, and a third reamer angle is formed by the third cutting edge and the third guiding edge. A traditional reamer is composed of two cutting edges and two guiding edges, and correspondingly, the traditional reamer is composed of the first cutting edge and the third cutting edge, and the first guiding edge and the third guiding edge corresponding to the first cutting edge and the third cutting edge. Compared with the prior art, the second cutting edge and the second guiding edge are added, due to the design, it is greatly avoided that the reamer is meshed with a workpiece, and the service life of the reamer is further prolonged; meanwhile, because the number of the cutting edges is increased, the machining fineness and the smoothness of products are improved.
Description
Technical field
The utility model relates to a kind of cutter, is specifically related to a kind of reamer.
Background technology
Reamer has one or more cutting edges, in order to excise the rotary cutter of hole surface sheet metal, there is the rotation finishing tool of straight sword or helical edges, for reaming or repair hole.
In actual use, existing reamer is appointed so has some problems not to be resolved, and such as the interlock problem of reamer and processing parts, interlock meeting produces serious sticky cutter phenomenon, easily causes the bonding abrasion that cutter is strong, affects the life problems of reamer.
Such as the roughness of processing parts is high, the cutting edge kind of conventional art is little again, causes the reasons such as reamer cutting tip run-out tolerance is overproof, cutting edge is not sharp, has affected the fineness of processing parts.
The easy tipping of reamer cutting edge for another example, if the part hardness of processing is too high, cutting edge run-out tolerance is excessive, inhomogeneous will being easy to of cutting load damaged.
Main means to save the situation is the material of selecting from reamer at present, but this way cost is very high.If therefore can improve from structure, just can address this problem.
Utility model content
The purpose of this utility model is, a kind of reamer is provided, to overcome the existing above-mentioned shortcoming and defect of prior art.
A kind of reamer, is characterized in that: comprising: reamer head and handle of a knife, and described reamer head is fixedly connected with handle of a knife, and described reamer head comprises: cutting edge, guiding sword and blade;
Wherein, described cutting edge comprises: the first cutting edge, the second cutting edge and the 3rd cutting edge, described guiding sword comprises: the first guiding sword, the second guiding sword and the 3rd guiding sword, described the first cutting edge and the first guiding sword form the first nose angle, described the second cutting edge and the second guiding sword form the second nose angle, described the 3rd cutting edge and the 3rd guiding sword composition the 3rd nose angle.
Further, the angle of described the first nose angle is 160 ° ± 5 °, and the angle of described the second nose angle is 177 ° ± 5 °, and the angle of described the 3rd nose angle is 173 ° ± 5 °.
Further, described blade is cylindrical structure, and described blade (is fixedly connected with guiding sword with cutting edge.
Further, stating the 3rd guiding sword comprises: the 3rd guiding sword fore-end and the 3rd guiding sword rear end part composition, between described the 3rd guiding sword fore-end and the 3rd guiding sword rear end part, form one the 3rd guiding sword angle, the angle of described the 3rd guiding sword angle is 0.5 ° ± 0.2 °.
The beneficial effects of the utility model:
Added the second cutting edge and the second guiding sword, the interlock of reamer and workpiece has been avoided in this design greatly, further promotes the life-span of reamer, and because the quantity of cutting edge increases, making to process fineness also increases, and has improved the fineness of product simultaneously.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model.
Fig. 2 is reamer header structure figure.
Fig. 3 is traditional reamer header structure figure.
Reference numeral:
Reamer head 100, cutting edge 110, the first cutting edge 111, the second cutting edge 112, the 3rd cutting edge 113.
The first nose angle 131, the second nose angle 132, the 3rd nose angle 133, blade 140 and handle of a knife 200.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is done to progressive explanation.Should be understood that following examples are only for the utility model is described but not for limiting scope of the present utility model.
Embodiment 1
Fig. 1 is structure chart of the present utility model.Fig. 2 is reamer header structure figure.Fig. 3 is traditional reamer header structure figure.
As shown in Figure 1, a kind of reamer, comprising: reamer head 100 and handle of a knife 200, and reamer head 100 is fixedly connected with handle of a knife 200, and reamer head 100 comprises: cutting edge 110, guiding sword 120 and blade 140.
As shown in Figure 2, wherein, cutting edge 110 comprises: the first cutting edge 111, the second cutting edge 112 and the 3rd cutting edge 113, guiding sword 120 comprises: the first guiding sword 121, the second guiding sword 122 and the 3rd guiding sword 123, the first cutting edge 111 and the first guiding sword 121 form the first nose angle 131, the second cutting edge 112 and the second guiding sword 122 form the second nose angle 132, the three cutting edges 113 and the 3rd guiding sword 123 forms the 3rd nose angle 133.
As shown in Figure 3, the guiding sword 120 of traditional reamer there will not be angle, because can cause like this reamer when work easily impaired.This traditional idea is rooted in the hearts of the people, and causes nobody to dare the guiding sword 120 of reamer to improve.But this structure has seriously restricted the use of reamer in actual mechanical process, often interlock, the problem that the life-span is short and fineness is poor can only lean on workman's technology to go to make up, and have had a strong impact on manufacturing schedule.
No doubt can affect cutter hub intensity to the change of guiding sword 120, if but just go to make up and can solve by other means.Therefore, the utility model is being found in the time improving guiding sword 120, the 3rd guiding sword the affect minimum of amendment on cutter hub intensity, the scope that simultaneously needs only the angle that allows its formation is in the scope of 1 °, can not make the bulk strength of reamer die down, on the contrary, because the sharpness that makes reamer by this change increases, in the time of the harder material of cutting, than low many of the loss of traditional reamer.
As shown in Figure 2, the 3rd guiding sword 123 of the present utility model comprises: the 3rd guiding sword fore-end 124 and the 3rd guiding sword rear end part 125 form, the angle that forms one the 3rd guiding sword angle 126, the three guiding sword angles 126 between the 3rd guiding sword fore-end 124 and the 3rd guiding sword rear end part 125 is 0.5 ° ± 0.2 °.Within the scope of this, can not bring very large impact to the intensity of cutter hub, can well prevent the generation of interlock simultaneously.
But only so not enough, in order further to alleviate the burden of the 3rd guiding sword 123, we can increase the cutting edge of reamer to improve the sharpness of reamer, can make up on the one hand the negative effect of the 3rd guiding sword angle 126, can improve the fineness of reamer processing workpiece simultaneously.
As shown in Figure 3, traditional reamer forms group by two kinds of cutting edges, and corresponding to the utility model is exactly the first cutting edge 111 and the 3rd cutting edge 113.As shown in Figure 2, the utility model has added the second cutting edge 112 and the second guiding sword 122, the second cutting edges 112 and the second guiding sword 122 and has formed the second nose angle 132, and this design can be good at reaching above-mentioned result.
If but the angle of nose angle changes too greatly, can affect on the contrary the intensity of cutter hub, therefore the angle of the firstth nose angle 131 of the present utility model is 160 ° ± 5 °, and the angle of the second nose angle 132 is 177 ° ± 5 °, and the angle of the 3rd nose angle 133 is 173 ° ± 5 °.Can ensure like this bulk strength of cutter hub.
Above detailed description of the invention of the present utility model is illustrated, but the utility model is as limit, only otherwise depart from aim of the present utility model, the utility model can also have various variations.
Claims (4)
1. a reamer, it is characterized in that: comprising: reamer head (100) and handle of a knife (200), described reamer head (100) is fixedly connected with handle of a knife (200), and described reamer head (100) comprising: cutting edge (110), guiding sword (120) and blade (140);
Wherein, described cutting edge (110) comprising: the first cutting edge (111), the second cutting edge (112) and the 3rd cutting edge (113), described guiding sword (120) comprising: the first guiding sword (121), the second guiding sword (122) and the 3rd guiding sword (123), described the first cutting edge (111) and first guiding sword (121) composition the first nose angle (131), described the second cutting edge (112) and second guiding sword (122) composition the second nose angle (132), described the 3rd cutting edge (113) and the 3rd guiding sword (123) composition the 3rd nose angle (133).
2. a kind of reamer according to claim 1, is characterized in that: the angle of described the first nose angle (131) is 160 ° ± 5 °, and the angle of described the second nose angle (132) is 177 ° ± 5 °, and the angle of described the 3rd nose angle (133) is 173 ° ± 5 °.
3. a kind of reamer according to claim 1, is characterized in that: described blade (140) is cylindrical structure, and described blade (140) is fixedly connected with guiding sword (120) with cutting edge (110).
4. a kind of reamer according to claim 1, it is characterized in that: described the 3rd guiding sword (123) comprising: the 3rd guiding sword fore-end (124) and the 3rd guiding sword rear end part (125) composition, between described the 3rd guiding sword fore-end (124) and the 3rd guiding sword rear end part (125), form one the 3rd guiding sword angle (126), the angle of described the 3rd guiding sword angle (126) is 0.5 ° ± 0.2 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072427.8U CN203679434U (en) | 2014-02-20 | 2014-02-20 | Reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072427.8U CN203679434U (en) | 2014-02-20 | 2014-02-20 | Reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203679434U true CN203679434U (en) | 2014-07-02 |
Family
ID=51001393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420072427.8U Expired - Fee Related CN203679434U (en) | 2014-02-20 | 2014-02-20 | Reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203679434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191042A (en) * | 2014-07-30 | 2014-12-10 | 常州创伟工具制造有限公司 | Six-cutting-edge reamer |
-
2014
- 2014-02-20 CN CN201420072427.8U patent/CN203679434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191042A (en) * | 2014-07-30 | 2014-12-10 | 常州创伟工具制造有限公司 | Six-cutting-edge reamer |
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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: 20140702 Termination date: 20200220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |