CN111360306A - Vertical disc milling cutter device and reverse milling processing method thereof - Google Patents
Vertical disc milling cutter device and reverse milling processing method thereof Download PDFInfo
- Publication number
- CN111360306A CN111360306A CN201811596336.3A CN201811596336A CN111360306A CN 111360306 A CN111360306 A CN 111360306A CN 201811596336 A CN201811596336 A CN 201811596336A CN 111360306 A CN111360306 A CN 111360306A
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- Prior art keywords
- blade
- milling
- cutter
- fine
- coarse
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/08—Disc-type cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/2204—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/16—Fixation of inserts or cutting bits in the tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/16—Fixation of inserts or cutting bits in the tool
- B23C2210/165—Fixation bolts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2220/00—Details of milling processes
- B23C2220/64—Using an endmill, i.e. a shaft milling cutter, to generate profile of a crankshaft or camshaft
Abstract
The invention discloses a vertical disc milling cutter device which comprises a cutter handle and a cutter head, wherein one end part of the cutter head is detachably and fixedly connected with one end part of the cutter handle, at least five blade grooves are circumferentially arranged on the periphery of the other end part of the cutter head at intervals, a fine blade is fixedly connected in at least one blade groove through an adjusting bolt, and a coarse blade is fixedly connected in at least four blade grooves through fixing bolts. The vertical disc milling cutter device provided by the invention can improve the processing effect of the cylinder body top cover joint surface.
Description
Technical Field
The invention relates to the field of machining, in particular to a vertical disc milling cutter device.
The invention also relates to a reverse milling method of the vertical disc milling cutter device.
Background
In the manufacturing process of the cylinder body, the joint surface of the cylinder body and the cylinder cover needs to be subjected to finish machining. And (3) milling the joint surface at the top of the cylinder body by using a vertical disc milling cutter, ensuring the profile tolerance and roughness of the joint surface and ensuring the quality of the engine. However, the joint surface of the cylinder body and the cylinder cover is not symmetrical relative to the central line, and the prior machining technology of one-knife milling is adopted at home and abroad, which has the following problems (1) that the joint surface of the cylinder body and the cylinder cover can be abnormally deformed in the machining process; (2) after the joint surface is processed, the problems of abnormal cutter marks, poor roughness and low profile tolerance capability affect the processing quality of the engine; (3) the cutter has high cutter return rate due to abnormal cutter marks; (4) the cutter is abnormally worn, and the service life of the cutter is low.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and the invention aims to provide a vertical disc milling cutter device which has the advantage of improving the processing effect of the combining surface of the top cover of the cylinder body.
The utility model provides a vertical disc milling cutter device, includes handle of a knife and blade disc, blade disc one end with the detachable fixed connection of handle of a knife one end, be circumference spaced apart on another tip periphery of blade disc and be equipped with five at least blade grooves, at least one the blade inslot is through adjusting bolt fixedly connected with smart blade, at least four the blade inslot is through fixing bolt fixedly connected with coarse blade.
The production device and the method of the lithium metal sand can also comprise the following steps:
the number of the coarse blades is 4-6 times of the number of the fine blades.
All the fine blades are distributed in blade grooves at the other end of the cutter head at equal angles.
The height of the fine blade is 2-3 mu m higher than that of the coarse blade.
The invention discloses a vertical disc milling cutter device, which comprises a cutter handle and a cutter head, wherein one end part of the cutter head is detachably and fixedly connected with one end part of the cutter handle, at least five blade grooves are circumferentially arranged on the periphery of the other end part of the cutter head at intervals, a fine blade is fixedly connected in at least one blade groove through an adjusting bolt, and a coarse blade is fixedly connected in at least four blade grooves through fixing bolts. Therefore, one end part of the cutter head is connected with one end part of the cutter handle, and the connection between the cutter head and the cutter handle can be released, so that the installation and the maintenance are convenient. Blade grooves are formed in the peripheral ring at the other end of the cutter head at intervals, thick blades or fine blades are installed in the single blade groove, the number of the blade grooves is five or more, and the number of the blade grooves is set according to actual conditions. The coarse blade is fixedly connected in the blade groove through a fixing bolt, wherein the height of the coarse blade cannot be adjusted. The fine blade can be adjusted in height through the adjusting bolt, and can be used for controlling the height difference between the fine blade and the coarse blade and ensuring that the fine blade is higher than the coarse blade. The number of the fine blades is one or more, the number of the coarse blades is more than four times that of the fine blades, and the number of the fine blades can be further controlled according to the number of the coarse blades. The rough blade carries out rough machining to cylinder body top cap machined surface, and smart blade plays and carries out the smoothing effect to the machined surface. Compared with the prior art, the vertical disc milling cutter device has the advantages that: the processing effect of the cylinder body top cover joint surface is improved.
The invention also aims to provide a reverse milling method of the vertical disc milling cutter device, which has the advantages that abnormal deformation points on the joint surface of the cylinder body and the cylinder cover when the top surface is finely milled are eliminated; the abnormal tool return rate of the vertical disc milling cutter device is reduced; reduce the unusual wearing and tearing of vertical disc milling cutter device, improve vertical disc milling cutter device life.
The invention relates to a reverse milling method of a vertical disc milling cutter device, which comprises the following steps of a, clamping and fixing a cylinder body; b. the electric servo main shaft drives the cutter handle, the cutter handle drives the cutter head to rotate, the cutter head drives the coarse blade and the fine blade to rotate, the coarse blade and the fine blade perform forward milling on a combined surface of the top of the cylinder body, and after the combined surface is machined, the forward milling is finished; c. and continuously keeping the cylinder body in a clamping and fixing state, driving the cutter handle by the electric servo main shaft, driving the cutter head to rotate, driving the coarse blade and the fine blade to rotate by the cutter head, reversely milling the joint surface at the top of the cylinder body along the original path by the coarse blade and the fine blade, and finishing the reverse milling after the joint surface is machined.
The invention relates to a reverse milling method of a vertical disc milling cutter device,
a. the cylinder body is in a clamping and fixing state;
b. the electric servo main shaft drives the cutter handle, the cutter handle drives the cutter head to rotate, the cutter head drives the coarse blade and the fine blade to rotate, the coarse blade and the fine blade perform forward milling on a combined surface of the top of the cylinder body, and after the combined surface is machined, the forward milling is finished;
c. and continuously keeping the cylinder body in a clamping and fixing state, driving the cutter handle by the electric servo main shaft, driving the cutter head to rotate, driving the coarse blade and the fine blade to rotate by the cutter head, reversely milling the joint surface at the top of the cylinder body along the original path by the coarse blade and the fine blade, and finishing the reverse milling after the joint surface is machined. Thus, the cylinder body is always in a clamping and fixing state, the electric servo main shaft drives the coarse blade and the fine blade on the cutter head to rotate, forward milling is further carried out on the combining surface of the top of the cylinder body, and after the forward milling is finished; and (4) reversely milling the rough blade and the fine blade along the original path, and finishing the reverse milling after finishing the machining of the combined surface. According to the reverse milling processing method, the vertical disc milling cutter device is used for milling in the reverse direction again after primary milling, and the cylinder body is always in a clamping state and is not clamped repeatedly, so that not only can allowance rebound caused by deformation be removed in the reverse milling process, but also deformation points caused by cylinder body rebound can be eliminated. After the original knife is milled, the phenomenon of local allowance resilience exists on the cylinder body joint surface, the resilience allowance can be milled by increasing reverse milling, and the roughness requirement of a machined surface is guaranteed. Through being in clamping state always with the cylinder body, guarantee to mill the volume backward after, can not have crisscross sword line in the forward, guarantee vertical disc milling cutter device motion accuracy simultaneously. The reverse milling method is suitable for milling all finish milling surfaces, although the path is simple, the profile tolerance, the roughness and the profile tolerance capability of the processed surface can be ensured to the greatest extent, and the processing method is never adopted at home and abroad, so that the popularization value is high. For example, after the finish-milled cylinder #399 is subjected to the reverse milling method, the roughness of the joint surface of the top surface of the cylinder is obviously improved, and Rmax is reduced from 11.6 to 5.36; the profile tolerance capability of the top surface of the cylinder body is improved from Ppk1.2 to Ppk1.63; wherein the service life of the vertical disc milling cutter device is improved from 128 pieces/handle to 275 pieces/handle; the knife mark backcutting rate is reduced from 33 percent to 9.6 percent of the controllable range. This reverse machining path, while simple, solves the problems of the prior art, which are typically addressed by replacing the better vertical disc cutter assembly or optimizing the associated machining parameters. The reverse milling method is simple and easy to realize. The method has the following advantages: eliminating abnormal deformation points on the joint surface of the cylinder body and the cylinder cover when the top surface is finely milled; the abnormal tool return rate of the vertical disc milling cutter device is reduced; reduce the unusual wearing and tearing of vertical disc milling cutter device, improve vertical disc milling cutter device life.
Drawings
Fig. 1 is a schematic plan view of a vertical disc milling cutter apparatus of the present invention.
Fig. 2 is a side view of a vertical disc milling cutter device of the present invention.
Fig. 3 is a side view of a partial schematic view of a vertical disc cutter apparatus of the present invention.
Fig. 4 is another side view of the vertical disc milling cutter device of the present invention.
Description of the figures
1. A knife handle; 2. a cutter head; 3. adjusting the bolt; 4. a fine blade; 5. fixing the bolt; 6. a coarse blade.
Detailed Description
A vertical disc milling cutter device and a reverse milling method thereof according to the present invention will be described in further detail with reference to fig. 1 and 4 of the accompanying drawings.
The invention relates to a vertical disc milling cutter device, which is shown in figures 1 to 4 and comprises a cutter handle 1 and a cutter head 2, wherein one end part of the cutter head 2 is detachably and fixedly connected with one end part of the cutter handle 1, at least five blade grooves are circumferentially arranged on the periphery of the other end part of the cutter head 2 at intervals, fine blades 4 are fixedly connected in at least one blade groove through adjusting bolts 3, and coarse blades 6 are fixedly connected in at least four blade grooves through fixing bolts 5. Thus, one end of the cutter head 2 is connected with one end of the cutter handle 1, and the connection between the cutter head and the cutter handle can be released, so that the installation and the maintenance are convenient. Blade grooves are formed in the other end peripheral ring of the cutter head 2 at intervals, the coarse blades 6 or the fine blades 4 are installed in the single blade grooves, the number of the blade grooves is five or more, and the number of the blade grooves is set according to actual conditions. The coarse blade 6 is fixedly connected in the blade groove by a fixing bolt 5, wherein the height of the coarse blade 6 is not adjustable. The fine blade 4 can be adjusted in height through the adjusting bolt 3, and can be used for controlling the height difference between the fine blade 4 and the coarse blade 6, and ensuring that the height of the fine blade 4 is greater than the height of the coarse blade 6. The number of the fine blades 4 is one or more, the number of the coarse blades 6 is more than four times that of the fine blades 4, and the number of the fine blades 4 can be further controlled according to the number of the coarse blades 6. The rough blade 6 performs rough machining on the machining surface of the cylinder body top cover, and the fine blade 4 performs a polishing effect on the machining surface. Compared with the prior art, the vertical disc milling cutter device has the advantages that: the processing effect of the cylinder body top cover joint surface is improved. Preferably, one end of the cutter head 2 is in threaded connection with one end of the cutter handle 1.
Referring to the drawings of fig. 1 to 4, the vertical disc milling cutter device of the present invention may further include, on the basis of the foregoing technical solution, that the number of the coarse blades 6 is 4-6 times that of the fine blades 4. Therefore, the number of the coarse blades 6 and the number of the fine blades 4 on the vertical disc milling cutter device have range requirements, the number of the coarse blades 6 is 4-6 times that of the fine blades 4 generally, and the layout ensures that the vertical disc milling cutter device has a good machining effect. If fifteen are used as the coarse blades 6 and three are used as the fine blades 4. The further preferred technical scheme is as follows: all the fine blades 4 are distributed in blade grooves at the other end of the cutter head 2 at equal angles. Therefore, all the fine blades 4 are distributed in all the coarse blades 6 at equal angles, so that the fine blades 4 and the coarse blades 6 on the whole cutter head 2 are stressed more uniformly, and the fine blades 4 can well finish the joint surface of the top of the cylinder body during cutting.
Referring to the drawings of fig. 1 to 4, the height of the fine blade 4 may be 2-3 μm higher than that of the coarse blade 6. In this way, the height of the fine blade 4 can be adjusted by adjusting the bolt 3. When the height of the fine blade 4 is 2-3 mu m higher than that of the coarse blade 6, the effect of smoothing can be achieved, no trace can be scraped on the combining surface of the top of the cylinder body, and the risk of breaking the cutter can be avoided.
Referring to the drawings of fig. 1 to 4, a cylinder body is in a clamping and fixing state; b. the electric servo main shaft drives the cutter handle 1, the cutter handle 1 drives the cutter head 2 to rotate, the cutter head 2 drives the coarse blade 6 and the fine blade 4 to rotate, the coarse blade 6 and the fine blade 4 perform forward milling on a joint surface of the top of the cylinder body, and after the joint surface is machined, the forward milling is finished; c. and continuously keeping the cylinder body in a clamping and fixing state, driving the tool handle 1 by the electric servo main shaft, driving the tool head 2 to rotate by the tool handle 1, driving the coarse blade 6 and the fine blade 4 to rotate by the tool head 2, reversely milling the joint surface at the top of the cylinder body along the original path by the coarse blade 6 and the fine blade 4, and finishing the reverse milling after finishing machining the joint surface. Thus, the cylinder body is always in a clamping and fixing state, the electric servo main shaft drives the coarse blade 6 and the fine blade 4 on the cutter disc 2 to rotate, forward milling is further carried out on the combining surface of the top of the cylinder body, and after the forward milling is finished; and the coarse blade 6 and the fine blade 4 are milled reversely along the original path, and after the combined surface is machined, the reverse milling is finished. According to the reverse milling processing method, the vertical disc milling cutter device is used for milling in the reverse direction again after primary milling, and the cylinder body is always in a clamping state and is not clamped repeatedly, so that not only can allowance rebound caused by deformation be removed in the reverse milling process, but also deformation points caused by cylinder body rebound can be eliminated. After the original knife is milled, the phenomenon of local allowance resilience exists on the cylinder body joint surface, the resilience allowance can be milled by increasing reverse milling, and the roughness requirement of a machined surface is guaranteed. Through being in clamping state always with the cylinder body, guarantee to mill the volume backward after, can not have crisscross sword line in the forward, guarantee vertical disc milling cutter device motion accuracy simultaneously. The reverse milling method is suitable for milling all finish milling surfaces, although the path is simple, the profile tolerance, the roughness and the profile tolerance capability of the processed surface can be ensured to the greatest extent, and the processing method is never adopted at home and abroad, so that the popularization value is high. For example, after the finish-milled cylinder #399 is subjected to the reverse milling method, the roughness of the joint surface of the top surface of the cylinder is obviously improved, and Rmax is reduced from 11.6 to 5.36; the profile tolerance capability of the top surface of the cylinder body is improved from Ppk1.2 to Ppk1.63; wherein the service life of the vertical disc milling cutter device is improved from 128 pieces/handle to 275 pieces/handle; the knife mark backcutting rate is reduced from 33 percent to 9.6 percent of the controllable range. This reverse machining path, while simple, solves the problems of the prior art, which are typically addressed by replacing the better vertical disc cutter assembly or optimizing the associated machining parameters. The reverse milling method is simple and easy to realize. The method has the following advantages: eliminating abnormal deformation points on the joint surface of the cylinder body and the cylinder cover when the top surface is finely milled; the abnormal tool return rate of the vertical disc milling cutter device is reduced; reduce the unusual wearing and tearing of vertical disc milling cutter device, improve vertical disc milling cutter device life.
The above description is only for the purpose of illustrating a few embodiments of the present invention, and should not be taken as limiting the scope of the present invention, in which equivalent changes, modifications, or scaling up or down, etc. made in accordance with the spirit of the present invention should be considered as falling within the scope of the present invention.
Claims (5)
1. A vertical disc milling cutter device is characterized in that: including handle of a knife (1) and blade disc (2), blade disc (2) one end with the detachable fixed connection of handle of a knife (1) one end, it is spaced apart to be equipped with five at least blade grooves, at least one to be the circumference on another tip periphery of blade disc (2) the blade inslot is through adjusting bolt (3) fixedly connected with smart blade (4), at least four the blade inslot is through fixing bolt (5) fixedly connected with coarse blade (6).
2. A vertical disc cutter device according to claim 1, wherein: the number of the coarse blades (6) is 4-6 times of the number of the fine blades (4).
3. A vertical disc cutter device according to claim 2, wherein: all the fine blades (4) are distributed in blade grooves at the other end of the cutter head (2) at equal angles.
4. A vertical disc cutter device according to any one of claims 1 to 3, wherein: the height of the fine blade (4) is 2-3 mu m higher than that of the coarse blade (6).
5. A reverse milling method of a vertical disc milling cutter device comprises the following steps:
a. the cylinder body is in a clamping and fixing state;
b. the electric servo spindle drives the cutter handle (1), the cutter handle (1) drives the cutter head (2) to rotate, the cutter head (2) drives the coarse blade (6) and the fine blade (4) to rotate, the coarse blade (6) and the fine blade (4) conduct forward milling on a joint surface of the top of the cylinder body, and after the joint surface is machined, the forward milling is completed;
c. the cylinder body is continuously kept in a clamping and fixing state, the electric servo main shaft drives the cutter handle (1), the cutter handle (1) drives the cutter head (2) to rotate, the cutter head (2) drives the coarse blade (6) and the fine blade (4) to rotate, the coarse blade (6) and the fine blade (4) perform reverse milling on the joint surface of the top of the cylinder body along the original path, and after the joint surface is machined, the reverse milling is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811596336.3A CN111360306A (en) | 2018-12-26 | 2018-12-26 | Vertical disc milling cutter device and reverse milling processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811596336.3A CN111360306A (en) | 2018-12-26 | 2018-12-26 | Vertical disc milling cutter device and reverse milling processing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111360306A true CN111360306A (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811596336.3A Pending CN111360306A (en) | 2018-12-26 | 2018-12-26 | Vertical disc milling cutter device and reverse milling processing method thereof |
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| Country | Link |
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| CN (1) | CN111360306A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026341A (en) * | 2022-06-21 | 2022-09-09 | 安庆中船动力配套有限公司 | Cutter for processing asymmetric R-angle ring groove of connecting rod |
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| CN2803584Y (en) * | 2005-06-22 | 2006-08-09 | 哈尔滨量具刃具集团有限责任公司 | Adjusting and indexing coarse-fine combined mill cutter |
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|---|---|---|---|---|
| CN115026341A (en) * | 2022-06-21 | 2022-09-09 | 安庆中船动力配套有限公司 | Cutter for processing asymmetric R-angle ring groove of connecting rod |
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Application publication date: 20200703 |