CN202741845U - Diamond straight shank forming reamer for processing step oil holes of gear pump - Google Patents
Diamond straight shank forming reamer for processing step oil holes of gear pump Download PDFInfo
- Publication number
- CN202741845U CN202741845U CN 201220261651 CN201220261651U CN202741845U CN 202741845 U CN202741845 U CN 202741845U CN 201220261651 CN201220261651 CN 201220261651 CN 201220261651 U CN201220261651 U CN 201220261651U CN 202741845 U CN202741845 U CN 202741845U
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- Prior art keywords
- cutting tip
- reamer
- diamond
- shank
- cutting
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- 239000010432 diamond Substances 0.000 title claims abstract description 25
- 210000001699 lower leg Anatomy 0.000 title claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims abstract description 62
- 238000003754 machining Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 abstract description 6
- 229910045601 alloy Inorganic materials 0.000 abstract description 6
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- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a diamond straight shank forming reamer for processing step oil holes of a gear pump. The diamond straight shank forming reamer comprises a reamer body, wherein the front end of the reamer body is sequentially provided with a front section cutting part, a middle cutting part and a back section cutting part from front to back, the rotary radius of the front section cutting part is smaller than that of the middle section cutting part, and the rotary radius of the middle section cutting part is smaller than that of the back section cutting part. The diamond straight shank forming reamer has the advantages that the design is novel, the structure is simple, a reamer blade is a glomerocryst diamond composite blade, the reamer body is made of hard alloy YG8 and adopts a straight-shank reamer shank, the loading and the clamping precision of the reamer shank is high, the mounting and the dismounting are convenient, and high speed is realized. The end surface and the conical shank arranged at the shank part of the reamer are major connected components, and the axial and radial connection precision of a cutter tool is ensured through the surface roughness of the end surface and the shank part. When the diamond straight shank forming reamer is used, forming holes can be reamed in one step, then, a screw tap is used for tapping screw threads, and the time for processing holes and chamfers is shortened.
Description
Technical field
The utility model belongs to the Machining Technology field, relates in particular to a kind of diamond staight shank forming reamer for machining gears pump ladder oilhole.
Background technology
At present, the step of the ladder oilhole of machining gears pump may further comprise the steps: 1, use φ 20 face milling cutters milling flats; The hole of 2, using φ 9 milling cutters to mill φ 9; 3, use φ 11.4 bit drills thread Pilot holes; 4, use φ 14 milling cutters to mill φ 14 holes; 5, screw tap tapping; 6, use φ 17 bit drills aperture chamferings.Adopt above-mentioned processing technology loaded down with trivial details, production efficiency is low, and machining accuracy is poor.
The utility model content
The utility model is in order to solve weak point of the prior art, provides that a kind of machining accuracy is high, production efficiency is high, the diamond staight shank forming reamer that is used for machining gears pump ladder oilhole that can disposable machine-shaping.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: the diamond staight shank forming reamer that is used for machining gears pump ladder oilhole, comprise cutter hub, the cutter hub front end is provided with leading portion cutting tip, stage casing cutting tip and back segment cutting tip from front to back successively, the radius of gyration of leading portion cutting tip is less than the radius of gyration of stage casing cutting tip, and the radius of gyration of stage casing cutting tip is less than the radius of gyration of back segment cutting tip.
Described leading portion cutting tip, stage casing cutting tip and back segment cutting tip comprise respectively two symmetrically arranged blades, and blade is the polycrystalline diamond material, and the blade front end of stage casing cutting tip and back segment cutting tip is pre-small post-large pyramidal structure.
The chip area that connects before and after the surface of leading portion cutting tip, stage casing cutting tip and back segment cutting tip is axially arranged with, chip area rear portion arc transition.
The relief angle of described blade cut sword is 15 °, forms the arc edge land of 0.3-0.5mm.
Adopt technique scheme, have following technique effect:
1, leading portion cutting tip, stage casing cutting tip and back segment cutting tip are processed respectively the hole in corresponding aperture, and can carry out chamfering, thus disposable machine-shaping shoulder hole.
2, the blade front end of stage casing cutting tip and back segment cutting tip is pre-small post-large pyramidal structure, is used for shoulder hole is carried out chamfering.
3, chip area plays the effect of good chip removal.
4, the described parameter of blade plays guiding and also participates in cutting, guarantees the effect of finished surface smoothness.
The utility model is novel in design, simple in structure, blade is composite polycrystal-diamond, and cutter hub is carbide alloy YG 8, and cutter hub adopts the staight shank handle of a knife, and the handle of a knife clamping precision is high, and is easy to loading and unloading, and is quick.The taper shank of reamer shank and end face are the main positions that connects, the surface roughness of end face and taper shank guarantee cutter shaft to radially connection precision.Use the utility model can once cut with scissors out forming hole, use again the screw tap tapping, shortened the time of machining hole and chamfering.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that enlarged drawing is looked on the left side of Fig. 1.
The specific embodiment
As depicted in figs. 1 and 2, diamond staight shank forming reamer for machining gears pump ladder oilhole of the present utility model, comprise cutter hub 1, cutter hub 1 front end is provided with leading portion cutting tip 2, stage casing cutting tip 2 and back segment cutting tip 4 from front to back successively, the radius of gyration of leading portion cutting tip 2 is less than the radius of gyration of stage casing cutting tip 3, and the radius of gyration of stage casing cutting tip 3 is less than the radius of gyration of back segment cutting tip 4.
Leading portion cutting tip 2, stage casing cutting tip 3 and back segment cutting tip 4 comprise respectively two symmetrically arranged blades 5, blade 5 is the polycrystalline diamond material, blade 5 front ends of stage casing cutting tip 3 and back segment cutting tip 4 are pre-small post-large pyramidal structure, and this structure is used for chamfering.
The chip area 6 that connects before and after the surface of leading portion cutting tip 2, stage casing cutting tip 3 and back segment cutting tip 4 is axially arranged with, chip area 6 rear portion arc transition.
The relief angle A of blade 5 cutting edges is 15 °, forms the long arc edge land L of 0.3-0.5mm.
Blade 5 of the present utility model is composite polycrystal-diamond, and cutter hub 1 is carbide alloy YG 8, polycrystalline diamond (PCD) composite sheet is that diamond particles adds metal agent, forms with the compacting of hard alloy substrate high temperature.Top one deck is diamond layer, and the below is hard alloy substrate.Blade 5 is processed into the geometry that satisfies the demands through methods such as grinding, line cutting processing.3 kinds of 6 polycrystalline diamond blades 5 altogether.
The material of cutter hub 1 is carbide alloy YG 8, is processed into the cutter groove that band is useful on welding blade 5 through methods such as grinding, line cutting processing, satisfies how much cutter hubs of surface roughness.
Polycrystalline diamond blade 5 adopts vacuum brazings to be welded on the YG8 cutter hub 1, passes through blade 5 sharpenings again, and the angle grinding-shaping detects, and wholely cutting performance is detected the finished product warehouse-in.
Claims (4)
1. the diamond staight shank forming reamer that is used for machining gears pump ladder oilhole, it is characterized in that: comprise cutter hub, the cutter hub front end is provided with leading portion cutting tip, stage casing cutting tip and back segment cutting tip from front to back successively, the radius of gyration of leading portion cutting tip is less than the radius of gyration of stage casing cutting tip, and the radius of gyration of stage casing cutting tip is less than the radius of gyration of back segment cutting tip.
2. the diamond staight shank forming reamer for machining gears pump ladder oilhole according to claim 1, it is characterized in that: described leading portion cutting tip, stage casing cutting tip and back segment cutting tip comprise respectively two symmetrically arranged blades, blade is the polycrystalline diamond material, and the blade front end of stage casing cutting tip and back segment cutting tip is pre-small post-large pyramidal structure.
3. the diamond staight shank forming reamer for machining gears pump ladder oilhole according to claim 1 and 2, it is characterized in that: the chip area that connects before and after the surface of leading portion cutting tip, stage casing cutting tip and back segment cutting tip is axially arranged with, chip area rear portion arc transition.
4. the diamond staight shank forming reamer for machining gears pump ladder oilhole according to claim 3, it is characterized in that: the relief angle of described blade cut sword is 15 °, forms the arc edge land of 0.3-0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220261651 CN202741845U (en) | 2012-06-05 | 2012-06-05 | Diamond straight shank forming reamer for processing step oil holes of gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220261651 CN202741845U (en) | 2012-06-05 | 2012-06-05 | Diamond straight shank forming reamer for processing step oil holes of gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202741845U true CN202741845U (en) | 2013-02-20 |
Family
ID=47701293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220261651 Expired - Fee Related CN202741845U (en) | 2012-06-05 | 2012-06-05 | Diamond straight shank forming reamer for processing step oil holes of gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202741845U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692020A (en) * | 2013-12-07 | 2014-04-02 | 安徽博一流体传动股份有限公司 | Three-step reamer for pilot valve sleeve |
| CN104439315A (en) * | 2013-09-13 | 2015-03-25 | 上海三电贝洱汽车空调有限公司 | Compound tool for holes |
| CN105081469A (en) * | 2015-08-13 | 2015-11-25 | 无锡国宏硬质合金模具刃具有限公司 | PCD molding reamer |
| CN105081431A (en) * | 2015-08-13 | 2015-11-25 | 无锡国宏硬质合金模具刃具有限公司 | PCD formed milling cutter |
| CN107790820A (en) * | 2017-11-17 | 2018-03-13 | 中山市园丰精密刃具有限公司 | Tube handle holes of golf head forming reamer |
| CN111408746A (en) * | 2020-05-18 | 2020-07-14 | 襄阳顺裕铸造有限公司 | Multi-station PCD forming cutter |
-
2012
- 2012-06-05 CN CN 201220261651 patent/CN202741845U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439315A (en) * | 2013-09-13 | 2015-03-25 | 上海三电贝洱汽车空调有限公司 | Compound tool for holes |
| CN103692020A (en) * | 2013-12-07 | 2014-04-02 | 安徽博一流体传动股份有限公司 | Three-step reamer for pilot valve sleeve |
| CN105081469A (en) * | 2015-08-13 | 2015-11-25 | 无锡国宏硬质合金模具刃具有限公司 | PCD molding reamer |
| CN105081431A (en) * | 2015-08-13 | 2015-11-25 | 无锡国宏硬质合金模具刃具有限公司 | PCD formed milling cutter |
| CN105081431B (en) * | 2015-08-13 | 2018-05-04 | 无锡国宏硬质合金模具刃具有限公司 | PCD profile milling cutters |
| CN107790820A (en) * | 2017-11-17 | 2018-03-13 | 中山市园丰精密刃具有限公司 | Tube handle holes of golf head forming reamer |
| CN111408746A (en) * | 2020-05-18 | 2020-07-14 | 襄阳顺裕铸造有限公司 | Multi-station PCD forming cutter |
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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: 20130220 Termination date: 20130605 |