CN204018820U - A kind of milling cutter - Google Patents
A kind of milling cutter Download PDFInfo
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- CN204018820U CN204018820U CN201420353288.6U CN201420353288U CN204018820U CN 204018820 U CN204018820 U CN 204018820U CN 201420353288 U CN201420353288 U CN 201420353288U CN 204018820 U CN204018820 U CN 204018820U
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Abstract
The utility model belongs to automobile technical field, milling cutter is provided, this cutter comprises with lower member: body, handle of a knife and milling cutter hub, milling cutter hub is arranged on body lower plane, milling cutter hub is for the workpiece of milling product, and milling cutter hub comprises for two dise knife grains of milling product arc surface and for two square cutter grains of milling product water plane and add that special milling process mills out curved surface breach.The utility model has the advantage of the structure that adopts dise knife grain and the combination of square cutter grain, improve the milling efficiency of single breach, meet the requirement of production capacity beat, overcome the production capacity bottleneck of existing milling process, can realize high efficiency volume production and the requirement of milling surface quality, not only reduce the cost that becomes to produce, also can guarantee that milling surface quality reaches the requirement of A level face, improved the dimensional stability of milling.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of milling cutter.
Background technology
Automobile luggage racks belongs to a kind of of decorative aluminium strip series products, along with growth in the living standard, on now many RV cars, recreation vehicle is that young the driving family of lying fallow is liked, and drive out amusement and travel or motion often all with many with Lee of garage, and the inner space of automobile own is narrow and small, cannot hold too much retinue object, luggage carrier is installed like this on roof to be contributed to solve because of the narrow and small shortcoming that cannot hold too much retinue object in the inner space of automobile own, the luggage carrier that is positioned at car roof not only can be used for placing outdoor activity articles for use, all right lade etc., in order to make automobile luggage racks 8 profiles more attractive in appearance, as shown in Figure 1, some high-end main engine plants propose on the top of automobile luggage racks, to process 6 breach, be A level face, top breach is curved surface breach 7, and feature is complicated, and (R angle is inhomogeneous R, and X/Y direction cross section is camber line), single breach working (finishing) area is larger, common breach of ball cutter scheme milling needs 3 minutes, bottom surface also has a lot of features to want milling simultaneously, cannot realize (80,000 of the annual productions of regulation beat volume production, life cycle: 6 years), if adopting the tough end mill(ing) cutter of circle processes, Machining of Curved Surface requirement and milling surface quality can not be met again and the requirement of A level face will be reached, therefore be necessary that a kind of special milling cutter of development and Design and milling process are to meet milling efficiency and the A level face outward appearance demand of single curved surface breach 7.
Summary of the invention
Technical problem to be solved in the utility model is the present situation for prior art, and a kind of milling cutter is provided, and can realize high efficiency volume production and the requirement of milling surface quality of 6 curved surface breach by this milling cutter, improves the dimensional stability of milling.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of milling cutter, and this cutter comprises with lower member:
Body, described body is as the main element of whole cutter;
Handle of a knife, described body is fixedly connected on handle of a knife, and described handle of a knife is for driving the parts of body motion;
It is characterized in that, this milling cutter also includes milling cutter hub, described milling cutter hub is arranged on body lower plane, described milling cutter hub is for the workpiece of milling product, described milling cutter hub comprises for two dise knife grains of milling product arc surface and for two square cutter grains of milling product water plane, two described dise knife grains are clinodiagonal to be arranged on body lower plane, and two described square cutter grains are clinodiagonal being arranged on body lower plane also.
The measure of taking for optimization such scheme specifically comprises:
In above-mentioned a kind of milling cutter, the setting of staggering of the center of two described relative handle of a knifes of square cutter grain, wherein the square cutter grain edge of is less than another square cutter grain edge to the distance of handle of a knife center line to the distance of handle of a knife center line.
In above-mentioned a kind of milling cutter, described square cutter grain comprises first party cutter grain and second party cutter grain, described first party cutter grain edge is less than second party cutter grain edge to the distance of handle of a knife center line to the distance of handle of a knife center line, described first party cutter grain edge is 4mm to the distance of handle of a knife center line, and described second party cutter grain edge is 6mm to the distance of handle of a knife center line.Here the linear velocity due to the rotation near the position knives of center cutter is zero, for preventing sticky cutter phenomenon, sets the space of 4mm.
In above-mentioned a kind of milling cutter, the distance that described first party cutter grain and second party cutter grain stagger is 8mm.
In above-mentioned a kind of milling cutter, the center of two described relative handle of a knifes of dise knife grain is symmetrical arranged, described Yu Fangdaoli center, dise knife Li center is compared away from handle of a knife center line, described dise knife grain comprises the first dise knife grain and the second dise knife grain, the first dise knife grain and the second dise knife grain is obliquely zygomorphic is arranged on body lower plane.
The CNC milling process that the utility model also provides this milling cutter of a kind of application to realize decorative aluminium strip class curved surface breach, can realize high efficiency volume production and the requirement of milling surface quality of 6 curved surface breach by this CNC milling process, improve the dimensional stability of milling.
A CNC milling process for decorative aluminium strip class curved surface breach, is characterized in that, uses above-mentioned milling cutter along laterally counterclockwise path locus, to mill out curved surface breach on decorative aluminium strip series products, and this milling process comprises the following steps:
Step 1, control milling cutter are along the first path locus milling first area on decorative aluminium strip series products, the first path locus is the direction of cambered surface from bottom to top, the first area milling out comprises two, one, region and region, between two, Yi Buhe region, region, produce because square cutter grain staggers one, the vacant district of generation is set, wherein two, region Yi Buhe region is the complete region of milling, and one, vacant district does not have the complete region of milling;
Step 2, step 2 continue to control milling cutter along the second path locus milling second area on decorative aluminium strip series products, the second path locus is served as reasons above and the direction of lower camber side, the second area milling out comprises four, three, region and region, two, San Buyu region, region partly overlaps, between four, San Buhe region, region, produce because square cutter grain staggers two, the vacant district of generation is set, wherein four, region San Buhe region is the complete region of milling, and two, vacant district does not have the complete region of milling;
Step 3, step 3 continues to control milling cutter along Third Road footpath track milling the 3rd region on decorative aluminium strip series products, Third Road footpath track is the first flat direction of cambered surface from bottom to top more backward, the 3rd region milling out comprises six, five, region and region, between six, Wu Buhe region, region, produce because square cutter grain staggers three, the vacant district of generation is set, three, vacant district is just overlapping with two, region, five, region just hides one, the vacant district that produces in step 1, two, Liu Buyu region, region partly overlaps, one, the vacant district, the complete region of milling that do not have just step 1 being produced, five, region being milled in step 3 carries out milling,
Step 4, continue to control milling cutter along the 4th path locus milling the 3rd region on decorative aluminium strip series products, serve as reasons and go up and the direction of lower camber side, the 4th region milling out comprises eight, seven, region and region, between eight, Qi Buhe region, region, produce because square cutter grain staggers four, the vacant district of generation is set, four, vacant district is just overlapping with four, region, seven, region just hides two, vacant district part, seven, the region being milled in step 4 just hides two, vacant district part and carries out milling, after above four steps, suddenly just each position on curved surface breach all can be milled into.
Compared with prior art, the utility model has the advantage of the structure that adopts dise knife grain and the combination of square cutter grain, improve the milling efficiency of single breach, meet the requirement of production capacity beat, overcome the production capacity bottleneck of existing milling process, can realize high efficiency volume production and the requirement of milling surface quality, not only reduced the cost that becomes to produce, also can guarantee that milling surface quality reaches the requirement of A level face, improve the dimensional stability of milling.
Accompanying drawing explanation
Fig. 1 is the structural representation of this automobile luggage racks band curved surface breach;
Fig. 2 is the structural representation of this milling cutter;
Fig. 3 is the dise knife Li He Fang Daoli structural representation of arranging at center in Fig. 2;
Fig. 4 is the other direction structural representation of this milling cutter;
Fig. 5 is the structural representation of arranging of the dise knife Li He Fang Daoli center in Fig. 4;
Fig. 6 is the path locus figure that move at this milling cutter center;
Fig. 7 is the view of the first area that mills out of this milling cutter;
Fig. 8 is the view of the second area that mills out of this milling cutter;
Fig. 9 is the view in the 3rd region that mills out of this milling cutter;
Figure 10 is the view in the 3rd region that mills out of this milling cutter.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
In figure, body 1; Handle of a knife 2; Milling cutter hub 3; Dise knife grain 4; The first dise knife grain 4a; The second dise knife grain 4b; Side's cutter grain 5; First party cutter grain 5a; Second party cutter grain 5b; Handle of a knife center line 6; Curved surface breach 7; Luggage carrier 8; The first path locus 9; The second path locus 10; Third Road footpath track 11; The 4th path locus 12; First area 13; One, region 13a; Two, region 13b; One, vacant district 13c; Second area 14; Three, region 14a; Four, region 14b; Two, vacant district 14c; The 3rd region 15; Five, region 15a; Six, region 15b; Three, vacant district 15c; The 4th region 16; Seven, region 16a; Eight, region 16b; Four, vacant district 16c.
As shown in Figure 2, this milling cutter is mainly used for milling out curved surface breach 7 in decorative aluminium strip class, the present embodiment be take automobile luggage racks 8 and is described as example (decorative aluminium strip class a kind of), as shown in Figure 3 and Figure 5, this cutter comprises with lower member, body 1, handle of a knife 2 and milling cutter, body 1 is as the main element of whole cutter, body 1 is fixedly connected on handle of a knife 2, handle of a knife 2 is for driving the parts of body 1 motion, this milling cutter also includes milling cutter hub 3, milling cutter hub 3 is arranged on body 1 lower plane, milling cutter hub 3 is for the workpiece of milling product, milling cutter hub 3 adopts tapering to install, when milling, make like this milling cutter hub fixing more firm, guarantee the accuracy of milling, here the innovation of the utility model maximum is the design of milling cutter hub 3, curved surface breach 7 from Fig. 1 can be found out, the existing cambered surface of this breach has again horizontal plane, here milling cutter hub 3 comprises for two dise knife grains 4 of milling product arc surface and for two square cutter grains 5 of milling product water plane, can guarantee that so different cutter grains completes different Milling Functions, only need once just can mill out the curved surface breach 7 of product.
Two square cutter grains 5 are clinodiagonal being arranged on body 1 lower plane also, due to square cutter grain employing is standard component, do not have the square cutter grain 5 of appropriate size to satisfy the demands, in order to meet the desired processing dimension and high efficiency volume production, the requirement of milling surface quality, the setting of staggering of the center of two square cutter grain 5 relative handle of a knifes 2, wherein square cutter grain 5 edges of are less than another square cutter grain 5 edges to the distance of handle of a knife center line 6 to the distance of handle of a knife center line 6, specifically, shown in Fig. 4 and Fig. 6, side's cutter grain 5 comprises first party cutter grain 5a and second party cutter grain 5b, first party cutter grain 5a edge is less than second party cutter grain 5b edge to the distance of handle of a knife center line 6 to the distance of handle of a knife center line 6, first party cutter grain 5a edge to the distance of handle of a knife center line 6 for being optimized for 4mm, second party cutter grain 5b edge to the distance of handle of a knife center line 6 for being optimized for 6mm, the distance that first party cutter grain 5a and second party cutter grain 5b stagger is for being optimized for 8mm, because the linear velocity of the rotation near the position knives of center cutter is zero, for preventing sticky cutter phenomenon, set the space of 4mm, so just can realize the milling of staggering, make milling less than position carry out overlapping milling, thereby each plane that guarantees curved surface breach 7 is all milled into, and there will not be sticky cutter phenomenon, guarantee milling surface quality.
Two clinodiagonal being arranged on body 1 lower plane of dise knife grain 4, the center of two dise knife grain 4 relative handle of a knifes 2 is symmetrical arranged, the center of dise knife grain 4 is compared away from handle of a knife center line 6 with square cutter grain 5 centers, dise knife grain 4 comprises the first dise knife grain 4a and the second dise knife grain 4b, the first dise knife grain 4a and the second dise knife grain 4b is obliquely zygomorphic is arranged on body 1 lower plane, can realize the milling of cambered surface here by dise knife grain 4.
When the utility model understands the CNC milling process of decorative aluminium strip class curved surface breach specifically, mainly use above-mentioned milling cutter along laterally counterclockwise path locus, to mill out curved surface breach 7 on decorative aluminium strip series products, this milling process comprises the following steps:
As shown in Figure 7, step 1 is controlled milling cutter along the first path locus 9 milling first area 13 on decorative aluminium strip series products, the first path locus 9 is the direction of cambered surface from bottom to top, the first area 13 milling out comprises one, region 13a and two, region 13b, between one, region 13a and two, region 13b, produce, because square cutter grain 5 staggers, one, the vacant district 13c of generation is set, here two 13b in one, region 13a and region are the complete region of milling, one, vacant district 13c is the region that does not have milling complete, as shown in Figure 8, step 2 continues to control milling cutter along the second path locus 10 milling second area 14 on decorative aluminium strip series products, the second path locus 10 is served as reasons above and the direction of lower camber side, the second area 14 milling out comprises three, region 14a and four, region 14b, two 13b in three, region 14a and region partly overlap, between three, region 14a and four, region 14b, produce, because square cutter grain 5 staggers, two, the vacant district 14c of generation is set, here four 14b in three, region 14a and region are the complete region of milling, two, vacant district 14c is the region that does not have milling complete, due to three, region 14a and two, region 13b part juxtaposition, while being equivalent in step 2 milling, be milled into the position of two 13b in region, step 3 continues to control milling cutter along Third Road footpath track 11 milling the 3rd region 15 on decorative aluminium strip series products as shown in Figure 9, Third Road footpath track 11 is the first flat direction of cambered surface from bottom to top more backward, the 3rd region 15 milling out comprises five, region 15a and six, region 15b, between five, region 15a and six, region 15b, produce, because square cutter grain 5 staggers, three, the vacant district 15c of generation is set, three, vacant district 15c is just overlapping with two, region 13b, five, region 15a just hides one, the vacant district 13c producing in step 1, two 13b in six, region 15b and region partly overlap, here one, vacant district, the complete region of the milling 13c that do not have that five, the region 15a being milled in step 3 just produces step 1 carries out milling, step 4 as shown in figure 10, continue to control milling cutter along the 4th path locus 12 milling the 3rd region 15 on decorative aluminium strip series products, serve as reasons and go up and the direction of lower camber side, the 4th region 16 milling out comprises seven, region 16a and eight, region 16b, between seven, region 16a and eight, region 16b, produce, because square cutter grain 5 staggers, four, the vacant district 16c of generation is set, four, vacant district 16c is just overlapping with four, region 14b, seven, region 16a just hides two, vacant district 14c part, here seven, the region 16a being milled in step 4 just hides two, vacant district 14c and partly carries out milling, by above step, just each position on curved surface breach 7 all can be milled into, convenience and high-efficiency is quick.
The CNC milling process of above milling cutter and decorative aluminium strip class curved surface breach is compared with traditional scheme:
1, pass through cost: product cost reduces: 3.7 yuan/cover (robot scheme: 532.02 yuan/cover, CNC scheme: 528.32 yuan/cover);
2, saw milling processing investment reduces: 6,300,000 (robot schemes: 9,100,000, CNC scheme: 2,800,000)
3, quality: outward appearance and size meet tolerance, that polishing amount is reduced to is original 1/6 (what adopt that robot milling top uses is ball cutter, the tool marks 90 seconds time of polishing, adopts nonstandard milling cutter to connect the tool marks 15 seconds time of polishing);
4, the friendship phase: 5 months (8 months robot system construction cycles, 3 months CNC equipment purchase cycles) of compression friendship phase.
Specific embodiment described herein is only to the explanation for example of the utility model spirit, can pass through the type selecting of alloy knife grain, extends to the CNC processing of other materials product.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from the defined scope of spirit of the present utility model.
Claims (5)
1. a milling cutter, this cutter comprises with lower member:
Body, described body is as the main element of whole cutter;
Handle of a knife, described body is fixedly connected on handle of a knife, and described handle of a knife is for driving the parts of body motion;
It is characterized in that, this milling cutter also includes milling cutter hub, described milling cutter hub is arranged on body lower plane, described milling cutter hub is for the workpiece of milling product, described milling cutter hub comprises for two dise knife grains of milling product arc surface and for two square cutter grains of milling product water plane, two described dise knife grains are clinodiagonal to be arranged on body lower plane, and two described square cutter grains are clinodiagonal being arranged on body lower plane also.
2. a kind of milling cutter according to claim 1, it is characterized in that, the setting of staggering of the center of two described relative handle of a knifes of square cutter grain, wherein the square cutter grain edge of is less than another square cutter grain edge to the distance of handle of a knife center line to the distance of handle of a knife center line.
3. a kind of milling cutter according to claim 2, it is characterized in that, described square cutter grain comprises first party cutter grain and second party cutter grain, described first party cutter grain edge is less than second party cutter grain edge to the distance of handle of a knife center line to the distance of handle of a knife center line, described first party cutter grain edge is 4mm to the distance of handle of a knife center line, and described second party cutter grain edge is 6mm to the distance of handle of a knife center line.
4. a kind of milling cutter according to claim 3, is characterized in that, the distance that described first party cutter grain and second party cutter grain stagger is 8mm.
5. according to a kind of milling cutter described in claim 1 to 4 any one, it is characterized in that, the center of two described relative handle of a knifes of dise knife grain is symmetrical arranged, described Yu Fangdaoli center, dise knife Li center is compared away from handle of a knife center line, described dise knife grain comprises the first dise knife grain and the second dise knife grain, the first dise knife grain and the second dise knife grain is obliquely zygomorphic is arranged on body lower plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420353288.6U CN204018820U (en) | 2014-06-27 | 2014-06-27 | A kind of milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420353288.6U CN204018820U (en) | 2014-06-27 | 2014-06-27 | A kind of milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204018820U true CN204018820U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420353288.6U Withdrawn - After Issue CN204018820U (en) | 2014-06-27 | 2014-06-27 | A kind of milling cutter |
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| Country | Link |
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| CN (1) | CN204018820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096892A (en) * | 2014-06-27 | 2014-10-15 | 宁波敏实汽车零部件技术研发有限公司 | Milling cutter and CNC milling process for aluminum trim-like curved surface gap |
-
2014
- 2014-06-27 CN CN201420353288.6U patent/CN204018820U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096892A (en) * | 2014-06-27 | 2014-10-15 | 宁波敏实汽车零部件技术研发有限公司 | Milling cutter and CNC milling process for aluminum trim-like curved surface gap |
| CN104096892B (en) * | 2014-06-27 | 2018-08-21 | 宁波敏实汽车零部件技术研发有限公司 | A kind of CNC milling process of milling cutter and decorative aluminium strip class curved surface notch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20180821 |
|
| AV01 | Patent right actively abandoned |