CN211248596U - Multi-step PCD polishing reamer - Google Patents
Multi-step PCD polishing reamer Download PDFInfo
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- CN211248596U CN211248596U CN201922053215.0U CN201922053215U CN211248596U CN 211248596 U CN211248596 U CN 211248596U CN 201922053215 U CN201922053215 U CN 201922053215U CN 211248596 U CN211248596 U CN 211248596U
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- reaming
- reamer
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Abstract
The utility model relates to a many ladders PCD polishing reamer, including handle of a knife and cutter body. The cutter body and the cutter handle are integrally and coaxially arranged, and the cutter body comprises a rough polishing cutter body, a fine polishing cutter body, a second reaming cutter body and a first reaming cutter body which are sequentially arranged from one end of the cutter handle to a far position and have gradually reduced outer diameters; the rough polishing cutter body outer fringe is equipped with a plurality of rough polishing blades, and the rough polishing blade includes second chamfer blade and second scraped surface blade, and the finish polishing cutter body outer fringe is equipped with two at least finish polishing blades, and the finish polishing blade includes first chamfer blade and first scraped surface blade, and second reaming cutter body outer fringe is equipped with at least one second reaming blade, and first flaring cutter body outer fringe is equipped with at least one first reaming blade. The utility model discloses can solve the step hole in four holes simultaneously, preceding two holes need the problem of the polished and processing chamfer of finish machining scraped surface polishing and processing chamfer, fourth hole needs rough machining in reaming, third hole.
Description
Technical Field
The utility model relates to a reamer field especially relates to a many ladders PCD polishing reamer.
Background
A reamer is a rotating tool with one or more teeth for removing a thin layer of metal from the surface of a machined hole. The reamer is used for reaming drilled (or reamed) holes on a workpiece, mainly for improving the machining precision of the holes and reducing the roughness of the surfaces of the holes, is a tool for finish machining and semi-finish machining of the holes, and generally has small machining allowance.
The reamer of the prior art needs 1 additional rough machining forming cutter according to the common processing technique for processing cast aluminum products, and simultaneously, the existing reamer has large processing resistance and is easy to generate cutter vibration phenomenon during processing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a many ladders PCD polishing reamer has solved the processing problem that many different processing of ladder hole required.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a many ladders PCD polishing reamer, include:
a knife handle;
the cutter body and the cutter handle are integrally and coaxially arranged, and the cutter body comprises a rough polishing cutter body, a fine polishing cutter body, a second reaming cutter body and a first reaming cutter body which are sequentially arranged from one end of the cutter handle to a far position and have gradually reduced outer diameters; the outer edge of the rough polishing cutter body is provided with at least two rough polishing blades, each rough polishing blade comprises a second chamfering blade and a second shaving blade, the outer edge of the finish polishing cutter body is provided with a plurality of finish polishing blades, each finish polishing blade comprises a first chamfering blade and a first shaving blade, the outer edge of the second reaming cutter body is provided with at least one second reaming blade, and the outer edge of the first flaring cutter body is provided with at least one first reaming blade.
Further, the rough polishing cutter body, the second reaming cutter body and the first reaming cutter body are all flat.
Further, the first reamer blade has two and is asymmetrically distributed about the outer edge of the first reamer body and extends beyond the distal face thereof.
Further, the second reamer blade has two and is asymmetrically distributed on the outer edge of the second reamer body and extends beyond the distal end surface thereof; the two first reamer blades and the two second reamer blades are in the same plane.
Further, the fine polishing blade has four and is distributed on the outer edge of the fine polishing blade body and extends to exceed the far end surface of the fine polishing blade body; two of the fine polishing blades are first chamfering blades, the chamfer of each first chamfering blade is close to the second reaming cutter body, and the other two fine polishing blades are first shaving blades; the first chamfering blade and the first scraping blade are arranged at intervals; the two first chamfer cutter blades and the first reaming cutter blade or the second reaming cutter blade are positioned on the same plane.
Further, the rough polishing blade has two and asymmetrically distributed outer edges of the rough polishing cutter body and extends to beyond the distal end surface of the rough polishing cutter body, wherein one of the rough polishing blade is a second chamfering blade, the chamfer of the second chamfering blade is close to the fine polishing cutter body, and the other fine polishing blade is a second shaving blade; the two rough polishing blades and the first shaving blade are in the same plane.
Further, the terminal surface of first reaming blade all has first chamfer, the inclined plane of first chamfer with the contained angle of first reaming blade terminal surface is 13~ 15.
Furthermore, the included angle between the inclined plane of the first chamfering blade and the inclined plane of the second chamfering blade and the axial lead is 40-50 degrees.
Further, first scudding blade and second scudding blade all have an end sword, the end sword has the relief angle, the value of relief angle is 1~3, and first scudding blade, second scudding blade all have the rake face, the rake face with the contained angle of finish polishing cutter body tip or rough polishing cutter body tip is 4~ 6.
Furthermore, the cutter body still includes one at least chip groove, the chip groove from first reaming cutter body outer peripheral face crooked extend to on the rough polishing cutter body outer peripheral face, the chip groove is close to first reaming blade, second reaming blade, finish polishing blade and rough polishing blade.
Further, still include interior cold bore, interior cold bore include certainly the handle of a knife other end to the second interior cold main bore that first reaming cutter body extends, with interior cold branch hole of interior cold main bore intercommunication, interior cold branch hole extends respectively and the opening in near first reaming piece, second reaming piece, finish polishing blade and rough polishing blade.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses a many ladders PCD polishing reamer, because rough polishing cutter body outer fringe is equipped with second chamfer blade and second scudding blade, the finish polishing cutter body outer fringe is equipped with first chamfer blade and first scudding blade, second reaming cutter body outer fringe is equipped with second reaming blade, first flaring cutter body outer fringe is equipped with first reaming blade, can solve the step hole in four holes simultaneously, two preceding holes need the reaming, the third hole needs the finish machining scudding polishing and processing chamfer, the fourth hole needs the problem of the scudding polishing of rough machining and processing chamfer.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of a multi-step PCD polishing reamer according to an embodiment of the present invention;
FIG. 2 is a left side view of the multi-step PCD polishing reamer of FIG. 1;
FIG. 3 is a first reamer blade of the multi-step PCD polishing reamer of FIG. 1;
fig. 4 is a first razor blade or a second razor blade of the multi-step PCD polishing reamer of fig. 1.
Wherein the reference numerals are as follows:
1. a knife handle;
2. cutter body: 21. a first reamer body; 22. a second reamer body; 23. finely polishing the cutter body; 24. roughly polishing the cutter body; 25. a first reaming blade; 26. a second reaming blade; 27. finely polishing the blade; 28. roughly polishing the blade; 29. a chip groove; 30. a first chamfer; 31. a first chamfer blade; 32. a first razor blade;
4. internal cooling holes: 41. an inner cooling main hole; 42. and (5) internally cooling the branch holes.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and 2, the multi-step PCD polishing reamer of the present embodiment is used for machining cast aluminum products, and includes a shank 1 and a body 2.
The cutter body 2 and the cutter handle 1 are coaxially arranged integrally, and the cutter body 2 comprises a rough polishing cutter body 27, a finish polishing cutter body 23, a second reaming cutter body 22 and a first reaming cutter body 21 which are sequentially arranged from one end of the cutter handle 1 to a far position and have gradually reduced outer diameters; the outer edge of the rough polishing cutter body 27 is provided with at least two rough polishing blades 28, each rough polishing blade 28 comprises a second chamfering blade and a second shaving blade, the outer edge of the finish polishing cutter body 23 is provided with a plurality of finish polishing blades 27, each finish polishing blade 27 comprises a first chamfering blade 31 and a first shaving blade 32, the outer edge of the second reaming cutter body is provided with at least one second reaming blade 26, and the outer edge of the first flaring cutter body is provided with at least one first reaming blade 25.
The rough polishing cutter body 27, the second reaming cutter body 22 and the first reaming cutter body 21 are all flat.
The first reamer blade 25 has two and is asymmetrically distributed about the outer edge of the first reamer body 21 and extends beyond the distal face thereof.
The second reamer blades 26 have two and are asymmetrically distributed about the outer periphery of the second reamer body 22 and extend beyond the distal face thereof; the two first reamer blades 25 and the two second reamer blades 26 are in the same plane.
The finishing blades 27 have four and are distributed on the outer edge of the finishing cutter body 23 and extend beyond the distal end surface thereof; two of the finishing polishing inserts 27 are first chamfering inserts 31, the chamfer of the first chamfering insert 31 is close to the second reaming body 22, and the other two finishing polishing inserts 27 are first shaving inserts 32; the first chamfer blade 31 and the first scraping blade 32 are arranged at intervals; the two first chamfer inserts 31 and the first reamer insert 25 or the second reamer insert 26 are in the same plane.
The rough polishing blade 28 has two and asymmetrically distributed outer edges of the rough polishing cutter body 27 and extends beyond the distal end surface thereof, wherein one of the rough polishing blade 28 is a second chamfer blade and the chamfer of the second chamfer blade is close to the fine polishing cutter body 23, and the other one of the fine polishing blade 27 is a second scraped surface blade; the two rough-finish blades 28 are in the same plane as the first razor blade 32.
As shown in fig. 3, the end surfaces of the first chambering blade 25 are provided with first chamfers 30, and an included angle between an inclined surface of each first chamfer 30 and the end surface of the first chambering blade 25 is 13-15 degrees, specifically 15 degrees; the first chamfer 30 serves as a transition to avoid the easy edge breakage caused by the first reamer blade 25 being over sharp.
The included angle between the inclined plane of the first chamfering blade 31 and the inclined plane of the second chamfering blade and the axial lead is 40-50 degrees, and the included angle is 45 degrees in the embodiment, which is determined according to the actual situation.
A first razor blade 32 or a second razor blade as shown in fig. 4, each of the first razor blade 32 and the second razor blade having an end edge with a relief angle having a value of 1 to 3 °, in particular 2 °, and each of the first razor blade 32 and the second razor blade having a rake face with an angle of 4 to 6 °, in particular 5 °, with the end of the finishing cutter body 23 or the roughing cutter body 27; the angle setting of the first razor blade 32 and the second razor blade is determined in particular by the finish requirement of the specific internal bore.
The cutter body further comprises at least one chip groove 29, the chip groove 29 extends from the outer peripheral surface of the first reaming cutter body 21 to the outer peripheral surface of the rough polishing cutter body 27 in a bending way, and the chip groove 29 is close to the first reaming blade 25, the second reaming blade 26, the fine polishing blade 27 and the rough polishing blade 28; the chip grooves 29 are four in detail. So that aluminum scraps produced by cutting the first broaching blade 25, the second broaching blade 26, the first chamfering blade 31, the first shaving blade 32, the second chamfering blade and the second shaving blade are discharged in the direction of the tool holder 1 and discharged outside the hole.
Still include interior cold hole 4, interior cold hole 4 include certainly 1 other end of handle of a knife is to the second interior cold main hole 41 that first reaming cutter body 21 extends, with interior cold branch hole 42 of interior cold main hole 41 intercommunication, interior cold branch hole 42 extend respectively and the opening in near first reaming piece, second reaming piece, finish polishing blade 27 and rough polishing blade 28. So as to cool or lubricate first reaming blade 25, second reaming blade 26, first chamfer blade 31, first shaving blade 32, second chamfer blade and second shaving blade, have interior cold hole 4, chip removal and cooling effect are better, and be favorable to the cutting speed to obtain faster promotion.
Specifically, in the present embodiment:
the outer diameter of the first reaming cutter body 21 is 4.5-6.5 cm, and the length is 10-14 cm, wherein the outer diameter of the first reaming cutter body 21 is 5.6cm and the length is 11.8cm in the embodiment.
The outer diameter of the second reaming cutter body 22 is 7-9 cm, and the length is 15.5-19.5 cm, wherein the outer diameter of the second reaming cutter body 22 is 5.6cm and the length is 11.8cm in this embodiment.
The outer diameter of the finish polishing cutter body 23 is 11-15 m, and the length is 11-13 cm, wherein the outer diameter of the finish polishing cutter body 23 in the embodiment is 12.98cm, and the length is 10.95 cm.
The rough polishing cutter body 27 has an outer diameter of 16-20 cm and a length of 28.5-32.5 cm, wherein the outer diameter of the rough polishing cutter body 27 is 18cm and the length is 33.55cm in the embodiment.
The first reaming cutter body 21 is used for reaming a first hole, and the first reaming cutter blade 25 on the first reaming cutter body is used for reaming a first hole; a second reaming insert 26 on the second reamer body 22 is used to ream the second hole; two first chamfer inserts 31 and two first wiper inserts 32 on the finishing cutter body 23 are used for fine wiping and chamfering operations for the third hole, and one second chamfer insert and one second wiper insert on the rough polishing cutter body 27 are used for rough wiping and chamfering operations for the fourth hole.
Specifically, because the outer edge of the first flaring cutter body is provided with two first reaming blades 25, the outer edge of the second reaming cutter body is provided with two second reaming blades 26, the outer edge of the fine polishing cutter body 23 is provided with two first chamfering blades 31 and two first shaving blades 32, and the outer edge of the rough polishing cutter body 27 is provided with one second chamfering blade and one second shaving blade, the problems that the stepped holes of four holes are needed to be reamed, the front two holes are needed to be reamed, the third hole is needed to be polished and chamfered, and the fourth hole is needed to be roughly polished and chamfered can be solved.
Further, the two first reaming blades 25, the two second reaming blades 26, the two first chamfering blades 31, the two first shaving blades 32 and the rough polishing blade 28 are all designed asymmetrically, the two first reaming blades 25 and the two second reaming blades 26 are located on the same plane, the two first chamfering blades 31 and the two first reaming blades 25 or the two second reaming blades 26 are located on the same plane, and the two first shaving blades 32 and the rough polishing blade 28 are located on the same plane; the design not only ensures the balance of the whole cutter body, but also disperses the cutting resistance due to the asymmetrical design of the blade, avoids the vibration of the cutter, optimizes the smooth finish of the scraping surface and the roundness of the hole, greatly prolongs the cutting life of the cutter, integrates a plurality of cutter bodies, processes the cutter simultaneously and accelerates the cutting efficiency.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (11)
1. A multi-step PCD polishing reamer, comprising:
a knife handle;
the cutter body and the cutter handle are integrally and coaxially arranged, and the cutter body comprises a rough polishing cutter body, a fine polishing cutter body, a second reaming cutter body and a first reaming cutter body which are sequentially arranged from one end of the cutter handle to a far position and have gradually reduced outer diameters; the outer edge of the rough polishing cutter body is provided with at least two rough polishing blades, each rough polishing blade comprises a second chamfering blade and a second shaving blade, the outer edge of the finish polishing cutter body is provided with a plurality of finish polishing blades, each finish polishing blade comprises a first chamfering blade and a first shaving blade, the outer edge of the second reaming cutter body is provided with at least one second reaming blade, and the outer edge of the first flaring cutter body is provided with at least one first reaming blade.
2. The multi-step PCD polishing reamer of claim 1, wherein: the rough polishing cutter body, the second reaming cutter body and the first reaming cutter body are all flat.
3. The multi-step PCD polishing reamer of claim 2, wherein: the first reamer blade has two and is asymmetrically distributed about the outer edge of the first reamer body and extends beyond the distal face thereof.
4. The multi-step PCD polishing reamer of claim 2, wherein: the second reaming cutter body is provided with two second reaming cutter blades which are asymmetrically distributed on the outer edge of the second reaming cutter body and extend to exceed the distal end surface of the second reaming cutter body; the two first reamer blades and the two second reamer blades are in the same plane.
5. The multi-step PCD polishing reamer of claim 2, wherein: the fine polishing cutter blade is provided with four fine polishing cutter blades which are distributed on the outer edge of the fine polishing cutter body and extend to exceed the distal end surface of the fine polishing cutter blade; two of the fine polishing blades are first chamfering blades, the chamfer of each first chamfering blade is close to the second reaming cutter body, and the other two fine polishing blades are first shaving blades; the first chamfering blade and the first scraping blade are arranged at intervals; the two first chamfer cutter blades and the first reaming cutter blade or the second reaming cutter blade are positioned on the same plane.
6. The multi-step PCD polishing reamer of claim 2, wherein: the rough polishing blade is provided with two rough polishing blades which are asymmetrically distributed on the outer edge of the rough polishing cutter body and extend to exceed the distal end surface of the rough polishing cutter body, one rough polishing blade is a second chamfering blade, the chamfer of the second chamfering blade is close to the fine polishing cutter body, and the other fine polishing blade is a second shaving blade; the two rough polishing blades and the first shaving blade are in the same plane.
7. The multi-step PCD polishing reamer of any one of claims 1 to 5, wherein: the terminal surface of first reaming blade all has first chamfer, the inclined plane of first chamfer with the contained angle of first reaming blade terminal surface is 13~ 15.
8. The multi-step PCD polishing reamer of claim 1, wherein: the included angle between the inclined plane of the first chamfering blade and the inclined plane of the second chamfering blade and the axial lead is 40-50 degrees.
9. The multi-step PCD polishing reamer of claim 1, wherein: first scudding blade and second scudding blade all have an end sword, the end sword has the relief angle, the value of relief angle is 1~3, and first scudding blade, second scudding blade all have the rake face, the rake face with the contained angle of finish polishing cutter body tip or rough polishing cutter body tip is 4~ 6.
10. The multi-step PCD polishing reamer of claim 1, wherein: the cutter body still includes one at least chip groove, the chip groove certainly first reaming cutter body outer peripheral face crooked extends to on the rough polishing cutter body outer peripheral face, the chip groove is close to first reaming blade, second reaming blade, finish polishing blade and rough polishing blade.
11. The multi-step PCD polishing reamer of claim 1, wherein: still include interior cold spot, interior cold spot include certainly the handle of a knife other end is to the second interior cold main bore that first reaming cutter body extends, with interior cold branch hole of interior cold main bore intercommunication, interior cold branch hole extend respectively and the opening in near first reaming piece, second reaming piece, finish polishing blade and rough polishing blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922053215.0U CN211248596U (en) | 2019-11-25 | 2019-11-25 | Multi-step PCD polishing reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922053215.0U CN211248596U (en) | 2019-11-25 | 2019-11-25 | Multi-step PCD polishing reamer |
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| Publication Number | Publication Date |
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| CN211248596U true CN211248596U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922053215.0U Active CN211248596U (en) | 2019-11-25 | 2019-11-25 | Multi-step PCD polishing reamer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860734A (en) * | 2019-11-25 | 2020-03-06 | 常熟万克精密工具有限公司 | Multi-step PCD polishing reamer |
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2019
- 2019-11-25 CN CN201922053215.0U patent/CN211248596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860734A (en) * | 2019-11-25 | 2020-03-06 | 常熟万克精密工具有限公司 | Multi-step PCD polishing reamer |
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