CN213857298U - High-speed milling cutter for carbon fiber member profile - Google Patents
High-speed milling cutter for carbon fiber member profile Download PDFInfo
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- CN213857298U CN213857298U CN202120985831.4U CN202120985831U CN213857298U CN 213857298 U CN213857298 U CN 213857298U CN 202120985831 U CN202120985831 U CN 202120985831U CN 213857298 U CN213857298 U CN 213857298U
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Abstract
The utility model belongs to the technical field of machining and specifically relates to a be used for high-speed milling cutter of carbon fiber component profile, cutter body and handle of a knife including carbide, cutter body and handle of a knife link to each other, it has three blade to distribute on the cutter body, three blade forms the blade group, the sword tooth of blade sets up the side, and the sword tooth is provided with the wave blade, wherein the distance of the first sword tooth center of blade A and blade end is lighter than the distance of the first sword tooth center of blade B and blade end, the distance of the first sword tooth center of blade B and blade end is lighter than the distance of the first sword tooth center of blade C and blade end, the wave blade of three blade is crisscross distribution each other. The cutting edge of the blade is wavy, so that the cutting heat is radiated during cutting; the wavy cutting edges of the three blades are staggered, so that the cutting amount of each tooth is reduced, and the cutting surface is guaranteed to be processed in place, so that the cutting efficiency of the cutter is improved, and the high-speed milling of carbon fibers is realized.
Description
Technical Field
The application relates to the field of machining, in particular to a high-speed milling cutter for a carbon fiber member profile.
Background
As an advanced composite material, the carbon fiber composite material has the advantages of light weight, high modulus, high specific strength, corrosion resistance and the like, is widely applied to civil aircrafts, and the occupied structural proportion of the carbon fiber composite material is increased gradually. However, the carbon fiber composite material has poor thermal conductivity, so that the tool is worn quickly during machining, and particularly, overheating and wearing are more serious under high-speed cutting conditions, thereby putting high demands on the machining tool. At present, a common cutter for cutting carbon fiber composite materials is a pineapple-shaped dense-tooth end mill made of hard alloy, and cutter teeth densely distributed around the cutter body cut materials during machining, so that excess materials of parts are removed and the sizes of the parts are in place.
The existing cutter has the following defects: firstly, because the cutter teeth are densely distributed, carbon fiber materials cut off in the machining process cannot be discharged in time, and the carbon fiber materials are easy to remain in gaps between the cutter teeth, so that the cutter and parts cannot be effectively radiated in the machining process, and the cutter or the parts are damaged due to overheating. Secondly, the cutter has poor wear resistance, high wear speed in processing and short service life because only one layer of thin diamond powder coating exists on the surface of the cutter tooth. Subject to the above problems, this kind of tool cannot be applied to high-speed cutting of carbon fibers. Therefore, the novel cutter structure is designed, and the method has important engineering significance for improving the cutting efficiency and the cutting quality of the carbon fiber part profile, prolonging the service life of the cutter and improving the wear resistance.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the vertical milling cutter for carbon fiber high-speed cutting is provided, which can realize high-speed and high-quality cutting of carbon fiber parts, improve the heat dissipation condition in the carbon fiber cutting process, and has the advantages of higher wear resistance and longer service life.
In order to achieve the technical effects, the technical scheme of the application is as follows:
a high-speed milling cutter for carbon fiber member profiles comprises a cutter body and a cutter handle made of hard alloy, the cutter body is connected with the cutter handle, three blades made of diamond are distributed on the cutter body and respectively comprise a blade A, a blade B and a blade C, the three blades form a blade group, the blade A, the blade B and the blade C do not exceed the center of the blade group, the cutter teeth of the blade A, the blade B and the blade C are arranged on the side surfaces of the blade A, the blade B and the blade C, the blade teeth are provided with wavy cutting edges, the distance between the center of the first blade tooth of the blade A and the blade end of the blade A is smaller than the distance between the center of the first blade tooth of the blade B and the blade end of the blade B, the distance between the center of the first blade tooth of the blade B and the blade end of the blade B is smaller than the distance between the center of the first blade tooth of the blade C and the blade end of the blade C, and the wavy cutting edges of the three blades are distributed in a staggered mode. The wavy cutting edges of the three blades are mutually distributed in a staggered manner, which means that the positions of the corresponding teeth of the three blades are different on the longitudinal section.
Further, the included angle α =120 ° between the blade a, the blade B and the blade C, and the diameter of the blade group is larger than the diameter of the front end of the cutter body. The diameter of the blade set being greater than the diameter of the forward end of the cutter body means that the entire area of the blade set is greater than the area of the cutter body.
Further, the blade A, the blade B and the blade C are connected with the front end of the cutter body through welding.
Further, the blade rake angle of the blade a, the blade B and the blade C is smaller than the blade relief angle.
Still further, the front angle of the blade is 3-8 degrees, and the back angle of the blade is 15-20 degrees.
Furthermore, the overlapped parts are arranged among the wavy cutting edges of the three blades and are 0.2mm-0.4 mm. The overlapped part refers to the overlapped part of each cutter tooth between the blade A and the blade B, between the blade B and the blade C, and between the blade C and the blade A, and on the longitudinal section, the overlapped part is 0.2mm-0.4 mm.
Furthermore, the radius R of the concave arcs of the cutter teeth on the cutter blade A, the cutter blade B and the cutter blade C is 0.3mm-0.4mm, the distance between the centers of teeth of two adjacent cutter teeth is 1.1mm-1.3mm, and the wave height of the cutter teeth is 0.22mm-0.28 mm.
Furthermore, the cutter body is provided with a plurality of connecting parts which are consistent with the installation direction of each blade, each connecting part is connected with one blade, the blades are installed on the side edges of the corresponding connecting parts, and arc-shaped closing parts are arranged between the blades and the adjacent connecting parts. The effect of arc portion can increase the intensity of whole cutter part, avoids when the cutter is opened to the end intensity not enough, leads to the condition emergence of cutter damage.
Further, the blade thickness H is 1mm to 1.2 mm.
Further, the end portion of the blade is provided with a chamfer on the outer side. The chamfer can solve the problem of stress concentration.
The beneficial effect of this application is as follows:
the cutting edge of the blade is wavy, so that the cutting heat is radiated during cutting; the wavy cutting edges of the three blades are staggered, so that the cutting amount of each tooth is reduced, and the cutting surface is guaranteed to be processed in place, so that the cutting efficiency of the cutter is improved, and the high-speed milling of carbon fibers is realized. And through setting up the blade material into the diamond material, do benefit to extension cutter life and improve sharpness.
Drawings
Fig. 1 is a three-dimensional view of a high-speed milling cutter for carbon fiber member profiles.
Fig. 2 is a front view of a high-speed milling cutter for carbon fiber member profiles.
Fig. 3 is a side view of a high-speed milling cutter for carbon fiber member profiles.
Fig. 4 is a partial view of an A blade of a high-speed milling cutter for carbon fiber member contour.
Fig. 5 is a partial view of a B-blade for a high-speed milling cutter for carbon fiber member profiles.
Fig. 6 is a partial view of a blade for a high-speed carbon fiber member profile milling tool C.
In the drawings:
1-the diameter of the front end of a cutter body, 2-the diameter of a blade group, 3-a chamfer, 4-a blade front angle, 5-a blade rear angle, 6-the distance between the center of a first cutter tooth of a blade A and the blade end of the blade A, 7-the distance between the center of a first cutter tooth of a blade B and the blade end of the blade B, 8-the distance between the center of a first cutter tooth of a blade C and the blade end of the blade C, 9-a concave circular arc, 10-the distance between the center of circles of teeth, 11-a wave height, 12-the cutter body, 13-the cutter handle, 14-a connecting part and 15-a closing part.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Example 1
As shown in fig. 1-6, a high-speed milling cutter for carbon fiber member contour, the processing object is a carbon fiber member contour, which comprises a cutter body 12 and a cutter handle 13 made of cemented carbide, the cutter body 12 is connected with the cutter handle 13, three blades made of diamond are distributed on the cutter body 12, which are respectively a blade a, a blade B and a blade C, the three blades form a blade group, the blade a, the blade B and the blade C do not exceed the center of the blade group, the teeth of the blade a, the blade B and the blade C are all arranged on the side surfaces thereof, the teeth are provided with wave-shaped cutting edges, the distance 6 between the center of the first tooth of the blade a and the blade tip of the blade a is less than the distance 7 between the center of the first tooth of the blade B and the blade tip of the blade B, the distance 7 between the center of the first tooth of the blade B and the blade tip of the blade B is less than the distance 8 between the center of the first tooth of the blade C and the blade tip of the blade C, the wavy cutting edges of the three blades are distributed in a staggered manner. The wavy cutting edges of the three blades are mutually distributed in a staggered manner, which means that the positions of the corresponding teeth of the three blades are different on the longitudinal section. The cutting edge of the blade is wavy, so that the cutting heat is radiated during cutting; the wavy cutting edges of the three blades are staggered, so that the cutting amount of each tooth is reduced, and the cutting surface is guaranteed to be processed in place, so that the cutting efficiency of the cutter is improved, and the high-speed milling of carbon fibers is realized.
Example 2
As shown in fig. 1-6, a high-speed milling cutter for carbon fiber member contour, the processing object is a carbon fiber member contour, which comprises a cutter body 12 and a cutter handle 13 made of cemented carbide, the cutter body 12 is connected with the cutter handle 13, three blades made of diamond are distributed on the cutter body 12, which are respectively a blade a, a blade B and a blade C, the three blades form a blade group, the blade a, the blade B and the blade C do not exceed the center of the blade group, the teeth of the blade a, the blade B and the blade C are all arranged on the side surfaces thereof, the teeth are provided with wave-shaped cutting edges, the distance 6 between the center of the first tooth of the blade a and the blade tip of the blade a is less than the distance 7 between the center of the first tooth of the blade B and the blade tip of the blade B, the distance 7 between the center of the first tooth of the blade B and the blade tip of the blade B is less than the distance 8 between the center of the first tooth of the blade C and the blade tip of the blade C, the wavy cutting edges of the three blades are distributed in a staggered manner. The wavy cutting edges of the three blades are mutually distributed in a staggered manner, which means that the positions of the corresponding teeth of the three blades are different on the longitudinal section.
The included angle alpha =120 degrees between the blade A, the blade B and the blade C, and the diameter 2 of the blade group is larger than the diameter 1 of the front end of the cutter body. The diameter 2 of the blade set being greater than the diameter of the forward end of the cutter body 12 means that the entire area of the blade set is greater than the area of the cutter body 12.
The blade a, the blade B and the blade C are connected to the front end of the cutter body 12 by welding. The blade rake angle 4 of blade a, blade B and blade C is less than the blade relief angle 5. The front angle 4 of the blade is 3-8 degrees, and the rear angle 5 of the blade is 15-20 degrees. The overlapped parts are arranged among the wavy cutting edges of the three blades and are 0.2mm-0.4 mm. The overlapped part refers to the overlapped part of each cutter tooth between the blade A and the blade B, between the blade B and the blade C, and between the blade C and the blade A, and on the longitudinal section, the overlapped part is 0.2mm-0.4 mm. The radius R of the concave circular arcs 9 of the cutter teeth on the cutter blade A, the cutter blade B and the cutter blade C is 0.3mm-0.4mm, the distance 10 between the centers of teeth of two adjacent cutter teeth is 1.1mm-1.3mm, and the wave height 11 of the cutter teeth is 0.22mm-0.28 mm. The cutter body 12 is provided with a plurality of connecting parts 14 which are consistent with the installation direction of each blade, each connecting part 14 is connected with one blade, the blades are installed on the side edges of the corresponding connecting parts 14, and circular arc-shaped closing-up parts 15 are arranged between the blades and the adjacent connecting parts 14. The effect of arc portion can increase the intensity of whole cutter part, avoids when the cutter is opened to the end intensity not enough, leads to the condition emergence of cutter damage. The thickness H of the blade is 1 mm-1.2 mm. The end of the blade is provided with a chamfer 3 at the outer part. The chamfer 3 can solve the problem of stress concentration.
The cutting edge of the blade is wavy, so that the cutting heat is radiated during cutting; the wavy cutting edges of the three blades are staggered, so that the cutting amount of each tooth is reduced, and the cutting surface is guaranteed to be processed in place, so that the cutting efficiency of the cutter is improved, and the high-speed milling of carbon fibers is realized. And through setting up the blade material into the diamond material, do benefit to extension cutter life and improve sharpness.
Example 3
In addition to the embodiment 2, the insert a, the insert B and the insert C have an insert rake angle 4 of 5 ° and a clearance angle of 17 °, which is a more preferable embodiment. The distance 6 between the center of the first tooth of the blade A and the end of the blade A is 1.2 mm; the distance 7 between the center of the first tooth of the blade B and the blade end of the blade B is 1.55 mm; the distance 8 between the center of the first cutter tooth of the blade C and the end of the blade C is 1.9mm, the wave-shaped cutting edges of the blade A, the blade B and the blade C are guaranteed to be distributed in a staggered mode, and the wave superposition size between the blades is 0.3 mm. The R =0.34mm of the concave arc 9 of the blade A, the blade B and the blade C, the distance 10 between the centers of the teeth is 1.2mm, and the wave height 11 is 0.25 mm.
The cutting edge of the blade is wave-shaped, which is beneficial to radiating cutting heat during cutting. The blades are distributed in a staggered mode, so that the cutting amount of each tooth is reduced, and the cutting surface is guaranteed to be processed in place, the cutting efficiency of the cutter is improved, and high-speed carbon fiber milling is realized.
In the description of the present application, it should be noted that the terms "upper", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally arranged when products of the application are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning 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 application can be understood in a specific case by those of ordinary skill in the art.
Claims (10)
1. A high-speed milling cutter for carbon fiber component profiles is characterized in that: comprises a hard alloy cutter body (12) and a cutter handle (13), wherein the cutter body (12) is connected with the cutter handle (13), three blades made of diamond, namely a blade A, a blade B and a blade C, are distributed on the cutter body (12) and form a blade group, the blade A, the blade B and the blade C do not exceed the center of the blade group, the cutter teeth of the blade A, the blade B and the blade C are arranged on the side surfaces of the blade A, the blade B and the blade C, the cutter teeth are provided with wavy cutting edges, the distance (6) between the center of the first cutter tooth of the blade A and the blade end of the blade A is smaller than the distance (7) between the center of the first cutter tooth of the blade B and the blade end of the blade B, the distance (7) between the center of the first cutter tooth of the blade B and the blade end of the blade B is smaller than the distance (8) between the center of the first cutter tooth of the blade C and the blade end of the blade C, and the wavy cutting edges of the three blades are distributed in a staggered mode.
2. The high-speed milling cutter for the carbon fiber member profile as recited in claim 1, wherein: the included angle alpha =120 degrees between the blade A, the blade B and the blade C, and the diameter (2) of the blade group is larger than the diameter (1) of the front end of the cutter body.
3. The high-speed milling cutter for the carbon fiber member profile as recited in claim 1, wherein: the blade A, the blade B and the blade C are connected with the front end of the cutter body (12) through welding.
4. The high-speed milling cutter for the carbon fiber member profile as recited in claim 1, wherein: the blade rake angle (4) of the blade A, the blade B and the blade C is smaller than the blade relief angle (5).
5. The high-speed milling cutter for the carbon fiber member profile as recited in claim 4, wherein: the front angle (4) of the blade is 3-8 degrees, and the rear angle (5) of the blade is 15-20 degrees.
6. The high-speed milling cutter for the carbon fiber member profile as recited in claim 1, wherein: the overlapped parts are arranged among the wavy cutting edges of the three blades and are 0.2mm-0.4 mm.
7. The high-speed milling cutter for the carbon fiber member profile as recited in claim 1, wherein: the radius R of the concave circular arcs (9) of the cutter teeth on the cutter blade A, the cutter blade B and the cutter blade C is 0.3-0.4 mm, the tooth-to-tooth center distance (10) of two adjacent cutter teeth is 1.1-1.3 mm, and the wave height (11) of each cutter tooth is 0.22-0.28 mm.
8. The high-speed milling cutter for the carbon fiber member profile as recited in claim 1, wherein: the cutter body (12) is provided with a plurality of connecting parts (14) which are consistent with the installation direction of each blade, each connecting part (14) is connected with one blade, the blades are installed on the side edges of the corresponding connecting parts (14), and an arc-shaped closing part (15) is arranged between each blade and the adjacent connecting part (14).
9. The high-speed milling cutter for the carbon fiber member profile as recited in claim 1, wherein: the thickness H of the three blades is 1 mm-1.2 mm.
10. The high-speed milling cutter for the carbon fiber member profile as recited in claim 1, wherein: the end parts of the three blades close to the outer side are provided with chamfers (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120985831.4U CN213857298U (en) | 2021-05-10 | 2021-05-10 | High-speed milling cutter for carbon fiber member profile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120985831.4U CN213857298U (en) | 2021-05-10 | 2021-05-10 | High-speed milling cutter for carbon fiber member profile |
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| CN213857298U true CN213857298U (en) | 2021-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850547A (en) * | 2022-07-11 | 2022-08-05 | 成都飞机工业（集团）有限责任公司 | Carbon fiber member contour milling damage inhibition method |
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2021
- 2021-05-10 CN CN202120985831.4U patent/CN213857298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850547A (en) * | 2022-07-11 | 2022-08-05 | 成都飞机工业（集团）有限责任公司 | Carbon fiber member contour milling damage inhibition method |
| CN114850547B (en) * | 2022-07-11 | 2022-10-25 | 成都飞机工业（集团）有限责任公司 | Carbon fiber member contour milling damage inhibition method |
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