CN216065711U - Inner milling cutter disc for crankshaft machining - Google Patents
Inner milling cutter disc for crankshaft machining Download PDFInfo
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- CN216065711U CN216065711U CN202121672839.1U CN202121672839U CN216065711U CN 216065711 U CN216065711 U CN 216065711U CN 202121672839 U CN202121672839 U CN 202121672839U CN 216065711 U CN216065711 U CN 216065711U
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- ring
- milling cutter
- crankshaft machining
- fixing
- crankshaft
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Abstract
The utility model discloses an inner milling cutter head for crankshaft machining, which comprises an outer fixing ring, an inner mounting ring fixedly arranged in the outer fixing ring, a plurality of mounting positions arranged on the inner mounting ring, and a cutter detachably arranged on the mounting positions, wherein the outer fixing ring is provided with a plurality of first fixing holes for fixing the outer fixing ring, and the cutter is fixedly arranged on the mounting positions through at least two first bolts. When the crankshaft is used for machining the inner milling cutter head, the cutter head is arranged on a main shaft of a machine tool through the outer fixing ring, the crankshaft to be machined penetrates through the inner mounting ring and fixes the crankshaft, the machine tool is started to drive the cutter head to rotate, and the cutter head drives the cutter to cut and machine the surface of the crankshaft. After the service life of the cutter is over, the single cutter can be replaced, and the whole service life of the cutter head is prolonged.
Description
Technical Field
The utility model relates to the field of crankshaft machining, in particular to an inner milling cutter head for crankshaft machining.
Background
In the machining process of the crankshaft, the machining of the main journal, the connecting rod journal and the side face of the crank arm of the crankshaft occupies the longest working procedure in the whole process, and the traditional rough machining method is on a main journal lathe. And (3) clamping the workpiece by using an eccentric clamping tool on a connecting rod neck lathe, and respectively processing a main journal, a connecting rod neck and a fan plate surface of the crankshaft. The method has the advantages of large deformation, easy generation of internal stress of the reamer, quick tool abrasion, long takt time, low precision and great influence on finish machining quality during machining.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an inner milling cutter head for crankshaft machining.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the structure provides a milling cutter head in crankshaft machining, and this blade disc includes outer fixed ring, sets firmly interior collar in this outer fixed ring, sets up a plurality of installation positions on this interior collar and can dismantle the cutter that sets up on this installation position, is equipped with a plurality of first fixed orificess that are used for fixed this outer fixed ring on this outer fixed ring, and this cutter sets firmly on this installation position through two at least first bolts.
In the crankshaft machining inner milling cutter disc, the plurality of first fixing holes are uniformly distributed in the outer fixing ring at equal intervals.
In the crankshaft machining inner milling cutter disc, each first fixing hole in the plurality of first fixing holes comprises a first large hole and a first small hole communicated with the first large hole, the aperture of the first large hole is larger than that of the first small hole, and the circle center of the first large hole and the circle center of the first small hole are located on the same circumference with the circle center of the outer fixing ring as the circle center.
In the crankshaft machining inner milling cutter disc, the plurality of mounting positions are uniformly distributed on the inner mounting ring at equal intervals, and each mounting position in the plurality of mounting positions is provided with an accommodating groove for the cutter to be partially embedded and accommodated.
In the crankshaft machining inner milling cutter disc, the width of the accommodating groove is equal to the width of the cutter.
In the crankshaft machining inner milling cutter disc, at least two second fixing holes are formed in the cutter, and at least two first threaded holes are formed in the mounting position corresponding to the second fixing holes.
In the crankshaft machining inner milling cutter disc, the outer fixing ring is provided with a plurality of third fixing holes penetrating through the outer fixing ring, the inner mounting ring is provided with a plurality of second threaded holes at positions corresponding to the third fixing holes, and the outer fixing ring and the inner mounting ring are detachably connected through second bolts.
In the crankshaft machining inner milling cutter disc, the central axis of each third fixing hole in the plurality of third fixing holes points to the circle center of the outer fixing ring, and the central axis of each second threaded hole in the plurality of second threaded holes points to the circle center of the inner mounting ring.
In the crankshaft machining inner milling cutter disc, the plurality of third fixing holes are arranged on the peripheral wall of the outer fixing ring at equal intervals.
In the crankshaft machining inner milling cutter disc, the plurality of third fixing holes are all countersunk holes, and the second bolt is an inner hexagon bolt.
The internal milling cutter head for crankshaft machining has the following beneficial effects: when the crankshaft is used for machining the inner milling cutter head, the cutter head is arranged on a main shaft of a machine tool through the outer fixing ring, the crankshaft to be machined penetrates through the inner mounting ring and fixes the crankshaft, the machine tool is started to drive the cutter head to rotate, and the cutter head drives the cutter to cut and machine the surface of the crankshaft. After the service life of the cutter is over, the single cutter can be replaced, and the whole service life of the cutter head is prolonged.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic structural view of an inner milling cutter disc for crankshaft machining according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, in a first embodiment of the internal milling cutter head for crankshaft machining according to the present invention, the cutter head 1 includes an outer fixing ring 2, an inner mounting ring 3 fixed in the outer fixing ring 2, a plurality of mounting locations 4 disposed on the inner mounting ring 3, and a cutter 5 detachably disposed on the mounting locations 4, the outer fixing ring 2 is provided with a plurality of first fixing holes 6 for fixing the outer fixing ring 2, and the cutter 5 is fixed on the mounting locations 4 by at least two first bolts 7.
When the crankshaft is used for machining the inner milling cutter head 1, the cutter head 1 is arranged on a main shaft of a machine tool through the outer fixing ring 2, the crankshaft 100 to be machined penetrates through the inner mounting ring 3 and fixes the crankshaft 100, the machine tool is started to drive the cutter head 1 to rotate, and the cutter head 1 drives the cutter 5 to cut and machine the surface of the crankshaft 100. After the service life of the cutter 5 is over, the single cutter 5 is replaced, and the whole service life of the cutter head 1 is prolonged.
Preferably, the plurality of first fixing holes 6 are uniformly distributed in the outer fixing ring 2 at equal intervals.
Furthermore, each first fixing hole 6 of the plurality of first fixing holes 6 comprises a first big hole 9 and a first small hole 8 communicated with the first big hole 9, the aperture of the first big hole 9 is larger than that of the first small hole 8, and the circle center of the first big hole 9 and the circle center of the first small hole 8 are located on the same circumference using the circle center of the outer fixing ring 2 as the circle center.
When fixed outer fixed ring 2, can pass first macropore 9 with the bolt and tentatively fix, then rotatory blade disc 1, rotatory to with first aperture 8 with the bolt scarf joint, later the locking bolt can again.
In this embodiment, the plurality of mounting locations 4 are uniformly distributed on the inner mounting ring 3 at equal intervals, and each mounting location 4 of the plurality of mounting locations 4 is provided with a receiving slot for the tool 5 to be partially inserted and received.
Preferably, the width of the accommodating groove is equal to the width of the cutter 5.
Specifically, at least two second fixing holes are formed in the cutter 5, and at least two first threaded holes are formed in the mounting position 4 corresponding to the second fixing holes.
In order to facilitate the individual replacement of the outer fixing ring 2 and the inner mounting ring 3, a plurality of third fixing holes 10 penetrating through the outer fixing ring 2 are formed in the outer fixing ring 2, a plurality of second threaded holes are formed in positions, corresponding to the third fixing holes 10, of the inner mounting ring 3, and the outer fixing ring 2 and the inner mounting ring 3 are detachably connected through second bolts.
Specifically, the central axis of each third fixing hole 10 of the plurality of third fixing holes 10 points to the center of the outer fixing ring 2, and the central axis of each second threaded hole of the plurality of second threaded holes points to the center of the inner mounting ring 3.
Preferably, the plurality of third fixing holes 10 are disposed at equal intervals on the peripheral wall of the outer fixing ring 2. The third fixing holes 10 are all countersunk holes, and the second bolts are hexagon socket head cap bolts.
In addition, in the present invention, unless otherwise expressly specified or limited, the terms "connected," "stacked," and the like are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a facing cutter in crankshaft machining, a serial communication port, the blade disc include outer solid fixed ring, set firmly in outer solid fixed ring intra-annular interior collar, set up in a plurality of installation positions on the interior collar and can dismantle set up in cutter on the installation position, be equipped with on the outer solid fixed ring and be used for fixing a plurality of first fixed orificess of outer solid fixed ring, the cutter set firmly in through two at least first bolts the installation is located.
2. The crankshaft machining inner milling cutter disc of claim 1, wherein the first plurality of fixing holes are evenly spaced in the outer fixing ring.
3. The crankshaft machining inner milling cutter disc of claim 1, wherein each first fixing hole of the plurality of first fixing holes comprises a first large hole and a first small hole communicated with the first large hole, the first large hole has a larger hole diameter than the first small hole, and the center of the first large hole and the center of the first small hole are located on the same circumference with the center of the outer fixing ring as the center of the circle.
4. The crankshaft machining inner milling cutter disc of claim 1, wherein the plurality of mounting locations are evenly distributed on the inner mounting ring at equal intervals, and each mounting location of the plurality of mounting locations is provided with a receiving groove for the cutter to be partially inserted and received.
5. The crankshaft machining inner milling cutter disc of claim 4, wherein the width of the receiving groove is equal to the width of the cutter.
6. The crankshaft machining inner milling cutter disc of claim 4, wherein the cutter is provided with at least two second fixing holes, and the mounting position is provided with at least two first threaded holes at positions corresponding to the second fixing holes.
7. The crankshaft machining inner milling cutter disc according to claim 1, wherein a plurality of third fixing holes penetrating through the outer fixing ring are formed in the outer fixing ring, a plurality of second threaded holes are formed in positions, corresponding to the third fixing holes, of the inner mounting ring, and the outer fixing ring and the inner mounting ring are detachably connected through second bolts.
8. The crankshaft machining inner milling cutter disc of claim 7, wherein a central axis of each of the third plurality of securing holes is directed toward a center of the outer securing ring and a central axis of each of the second plurality of threaded holes is directed toward a center of the inner mounting ring.
9. The crankshaft machining inner milling cutter disc of claim 8, wherein the third plurality of retention apertures are disposed in the peripheral outer retention ring wall at equal intervals.
10. The crankshaft machining inner milling cutter disc of claim 8, wherein the third fixing holes are all counter-sunk holes, and the second bolt is a hexagon socket head cap screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672839.1U CN216065711U (en) | 2021-07-22 | 2021-07-22 | Inner milling cutter disc for crankshaft machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672839.1U CN216065711U (en) | 2021-07-22 | 2021-07-22 | Inner milling cutter disc for crankshaft machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216065711U true CN216065711U (en) | 2022-03-18 |
Family
ID=80666105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121672839.1U Active CN216065711U (en) | 2021-07-22 | 2021-07-22 | Inner milling cutter disc for crankshaft machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216065711U (en) |
-
2021
- 2021-07-22 CN CN202121672839.1U patent/CN216065711U/en active Active
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