CN217529355U - Special finish machining cutter for end face sealing ring groove - Google Patents
Special finish machining cutter for end face sealing ring groove Download PDFInfo
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- CN217529355U CN217529355U CN202221774075.1U CN202221774075U CN217529355U CN 217529355 U CN217529355 U CN 217529355U CN 202221774075 U CN202221774075 U CN 202221774075U CN 217529355 U CN217529355 U CN 217529355U
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- forming cutter
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Abstract
The utility model relates to a special finish machining cutter of end face seal annular belongs to hydraulic valve body technical field. The forming cutter comprises a cylindrical cutter handle, a forming cutter body and a welding blade, wherein the welding blade is welded on the forming cutter body, the forming cutter body is connected to the cylindrical cutter handle, and a grooving cutter chip groove is formed in the forming cutter body. The two welding blades are respectively welded on the forming cutter body in an annular central symmetry mode. The two flute cutters are arranged, and the flute cutters are arranged on the forming cutter body in a centrosymmetric mode. The utility model has the advantages that: 1. avoid causing sticky sword, conveniently discharge the iron fillings that the course of working produced, avoid causing sticky sword. 2. Preventing the O-shaped ring from being cut in the assembling process.
Description
Technical Field
The utility model relates to a special finish machining cutter of end face seal annular belongs to hydraulic valve body technical field.
Background
The sealing plane of the plate type multi-way valve has the characteristics of complex structure and large processing difficulty, oil leakage among plates of the plate type multi-way valve belongs to the difficult problem in the industry, the roughness requirement of the sealing end surface is less than or equal to Ra1.6, the flatness requirement is less than or equal to 0.025mm, the parallelism requirement among planes is less than or equal to 0.05mm, and particularly, the end surface sealing ring groove is required to be qualified in size and has no flash or burr.
In order to achieve corresponding technical indexes, domestic hydraulic valve production enterprises generally adopt grinding machining on a valve body sealing plane, the valve body needs to be rotated between a machining center and a grinding machine, in order to ensure the parallelism and the flatness requirements between the valve body sealing planes, the valve body needs to be repeatedly turned and ground on the plane grinding machine by mutually using reference surfaces, the characteristics of an end face sealing ring groove and the like often cause size deviation, and the valve body is also often scrapped due to part collision. The processing mode of milling instead of grinding is adopted to process the sealing plane of the valve body, so that the process concentration degree is improved, the processing quality is improved, and the production cost is reduced.
The prior patent is mainly applied to a non-standard cutter of an annular groove of a relief valve of a diesel vehicle, which is applied by a large company Yue precision parts industry Co. This nonstandard cutter includes: the cylindrical cutter head part is coaxially connected with one end of the cylindrical cutter head part, four cutter heads are arranged on the cylindrical cutter head part, the four cutter heads are distributed in a fan shape by taking the axis of the cylindrical cutter head part as the center, the end part of each cutter head is provided with a convex cutting edge, the outer wall of the cylindrical cutter head part is provided with a groove cutter chip groove between the adjacent cutter heads, and the groove cutter chip groove extends towards the direction of the cylindrical cutter head part. This technique has the following disadvantages: 1. the four tool bits are arranged, so that the same height is not easy to guarantee, and the machining is easy to generate an ellipse, which is not beneficial to market popularization; 2. the production of flash and burr can not be avoided, and the ring cutting in the assembling process of the O-shaped ring is prevented.
Disclosure of Invention
In order to overcome the weak point of above-mentioned prior art, the utility model provides a special finish machining cutter of end face seal annular, the cutter body sets up two grooving cutter chip grooves, avoids producing overlap, burr, prevents to cut the circle in the O shape circle assembling process.
The utility model discloses a realize through following technical scheme: the utility model provides a special finish machining cutter of end face seal ring groove which characterized in that: the forming cutter comprises a cylindrical cutter handle, a forming cutter body and a welding blade, wherein the welding blade is welded on the forming cutter body, the forming cutter body is connected to the cylindrical cutter handle, and a grooving cutter chip groove is formed in the forming cutter body.
The two welding blades are respectively welded on the forming cutter body in an annular central symmetry mode.
The two flute cutter chip grooves are arranged, and the flute cutter chip grooves are arranged on the forming cutter body in a centrosymmetric mode.
The cylindrical tool handle and the forming tool body are coaxial cylinders taking the same central axis as the center.
The front end of the welding blade is provided with an arc chamfer of R0.4 +/-0.05 mm.
The root of the welding blade is provided with a C0.1+0.1mm chamfer.
The forming cutter body is internally provided with an internal cooling hole.
The beneficial effects of the utility model are that: 1. avoid causing sticky sword: the central symmetry of the forming cutter body is provided with 2 flute cutters, and the flute cutters extend towards the processing direction, so that scrap iron generated in the processing process can be conveniently discharged, and the sticking of cutters is avoided.
2. Prevent to cut the circle in the O shape circle assembling process: the cylindrical knife handle and the forming knife body are coaxial cylinders with the same central axis as the center, the 2 welding blades are respectively welded on the forming knife body 2 in an annular central symmetry mode and used for guaranteeing the machining precision of the end face sealing ring groove, meanwhile, the front ends of the welding blades are provided with R0.4 +/-0.05 mm circular arc chamfers, the roots of the welding blades are provided with C0.1+0.1mm chamfers, the generation of burrs and fins is avoided, and ring cutting in the O-shaped ring assembling process is prevented.
Drawings
The invention will be further explained below with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is an enlarged view of fig. 1 at a.
In the figure: 1. a cylindrical shank; 2. forming a cutter body; 3. welding a blade; 4. a flute knife chip groove; 5. and (4) internal cooling holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The finishing tool special for the end face sealing ring groove shown in fig. 1 to 3 is characterized in that: including cylinder handle of a knife 1, shaping cutter body 2 and welding blade 3, welding blade 3 welds on shaping cutter body 2, and shaping cutter body 2 is connected on cylinder handle of a knife 1, shaping cutter body 2 on be equipped with grooving sword chip groove 4.
The two welding blades 3 are respectively welded on the forming cutter body 2 in an annular central symmetry mode.
The two flute cutters are arranged on the flute cutters 4, and the flute cutters 4 are arranged on the forming cutter body 2 in a centrosymmetric mode.
The cylindrical tool handle 1 and the forming tool body 2 are coaxial cylinders with the same central axis as the center.
The front end of the welding blade 3 is provided with an arc chamfer of R0.4 +/-0.05 mm.
The root of the welding blade 3 is provided with a C0.1+0.1mm chamfer.
The utility model has the advantages that: 1. avoid causing sticky sword: the central symmetry of the forming cutter body is provided with 2 flute cutters, and the flute cutters extend towards the processing direction, so that scrap iron generated in the processing process can be conveniently discharged, and the sticking of cutters is avoided.
2. Prevent to cut the circle in the O shape circle assembling process: the cylindrical knife handle and the forming knife body are coaxial cylinders with the same central axis as the center, the two welding blades are respectively welded on the forming knife body 2 in an annular central symmetry mode and used for guaranteeing the machining accuracy of the end face sealing ring groove, meanwhile, the front end of each welding blade is provided with an R0.4 +/-0.05 mm arc chamfer, the root of each welding blade is provided with a C0.1+0.1mm chamfer, the generation of burrs and burrs is avoided, and the O-shaped ring is prevented from being cut in the assembling process.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a special finish machining cutter of end face seal ring groove which characterized in that: the forming cutter comprises a cylindrical cutter handle (1), a forming cutter body (2) and a welding blade (3), wherein the welding blade (3) is welded on the forming cutter body (2), the forming cutter body (2) is connected to the cylindrical cutter handle (1), and a grooving cutter chip groove (4) is formed in the forming cutter body (2).
2. The special finishing tool for the end face seal ring groove as claimed in claim 1, wherein: the two welding blades (3) are respectively welded on the forming cutter body (2) in an annular central symmetry mode.
3. The special finishing tool for the end face seal ring groove as claimed in claim 1, wherein: the two flute cutters are arranged on the flute cutters (4), and the flute cutters (4) are arranged on the forming cutter body (2) in a centrosymmetric mode.
4. The special finishing tool for the end face seal ring groove as claimed in claim 1, wherein: the cylindrical knife handle (1) and the forming knife body (2) are coaxial cylinders taking the same central axis as the center.
5. The special finishing tool for the end face seal ring groove as claimed in claim 1, wherein: the front end of the welding blade (3) is provided with an arc chamfer of R0.4 +/-0.05 mm.
6. The special finishing tool for the end face seal ring groove as claimed in claim 1, wherein: the root of the welding blade (3) is provided with a C0.1+0.1mm chamfer.
7. The special finishing tool for the end face seal ring groove as claimed in claim 1, wherein: and an inner cooling hole (5) is formed in the forming cutter body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221774075.1U CN217529355U (en) | 2022-07-11 | 2022-07-11 | Special finish machining cutter for end face sealing ring groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221774075.1U CN217529355U (en) | 2022-07-11 | 2022-07-11 | Special finish machining cutter for end face sealing ring groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217529355U true CN217529355U (en) | 2022-10-04 |
Family
ID=83423511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221774075.1U Active CN217529355U (en) | 2022-07-11 | 2022-07-11 | Special finish machining cutter for end face sealing ring groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217529355U (en) |
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2022
- 2022-07-11 CN CN202221774075.1U patent/CN217529355U/en active Active
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