CN219852310U - Complex line milling cutter with replaceable blade - Google Patents
Complex line milling cutter with replaceable blade Download PDFInfo
- Publication number
- CN219852310U CN219852310U CN202320966161.0U CN202320966161U CN219852310U CN 219852310 U CN219852310 U CN 219852310U CN 202320966161 U CN202320966161 U CN 202320966161U CN 219852310 U CN219852310 U CN 219852310U
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- Prior art keywords
- blade
- cutter
- pressing block
- groove
- milling cutter
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- 238000003801 milling Methods 0.000 title claims abstract description 25
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 238000000227 grinding Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 6
- 229910000997 High-speed steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000191291 Abies alba Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Milling Processes (AREA)
Abstract
The utility model discloses a complex profile milling cutter with a replaceable blade, which comprises a cutter body, wherein the cutter body is provided with a blade part and a handle part, and a plurality of mounting grooves are uniformly formed in the circumferential direction of the blade part of the cutter body; the mounting groove comprises a blade groove and a pressing block groove which are adjacently arranged, a blade is arranged in the blade groove, a pressing block is arranged in the pressing block groove, the blade is fixed on the cutter body through the pressing block, and the pressing block is fixed on the cutter body through a screw; the utility model discloses a complex profile milling cutter with a replaceable blade, which has the advantages of simple structure, convenient operation, quick and accurate positioning and clamping, ensures the machining precision and the surface quality during grinding, and ensures the profile precision of a cutter by grinding after the blade is replaced when the service life of the cutter reaches the limit.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a complex profile milling cutter with a replaceable blade.
Background
The blade is used as an important part in the energy industry and the aeroengine industry, and has various blade root forms, such as fork blade root, fungus blade root, fir blade root, T-shaped blade root and the like with double-step deep grooves. The fir-type blade root is shaped like a Christmas tree, has complex shape, high precision requirement and high surface roughness requirement, and a machining tool of the fir-type blade root is generally a full-hard high-speed steel forming tool, and is gradually provided with a welded hard alloy forming milling cutter and a full-hard alloy forming milling cutter along with the development of hard alloy, but the high-speed steel forming milling cutter has low service life and low machining efficiency; the service life of the welding alloy forming milling cutter is prolonged, and the efficiency is improved; the whole hardness alloy formed milling cutter has the best service life and processing efficiency, but has high cost.
Disclosure of Invention
The utility model provides a complex profile milling cutter with replaceable blades, and aims to solve the problems.
The utility model discloses a complex line milling cutter with a replaceable blade, which comprises a cutter body, wherein the cutter body is provided with a blade part and a handle part, and a plurality of mounting grooves are uniformly formed in the circumferential direction of the blade part of the cutter body; the mounting groove comprises a blade groove and a pressing block groove which are adjacently arranged, a blade is arranged in the blade groove, a pressing block is arranged in the pressing block groove, the blade is fixed on the cutter body through the pressing block, and the pressing block is fixed on the cutter body through a screw; the end teeth of the blade are positioned on the central line of the blade body, the bevel angle of the front blade surface of the blade is 5-15 degrees, the first relief angle of the rear blade surface of the blade is 6-12 degrees, the second relief angle of the rear blade surface is 16-24 degrees, and the blade is provided with a third relief angle.
Further, the blade profile and the blade root profile are corresponding and consistent in size, and the cutter body edge profile is 1-2mm in volume compared with the milling cutter rotation profile.
Furthermore, the number of the blades and the pressing blocks is 6, the thickness of the blades is 3-5mm, and the blades are made of hard alloy.
Further, the mounting groove is of a chute structure.
Further, the included angle between the blade groove and the central line of the blade body is 5-15 degrees.
Furthermore, the section of each pressing block is right trapezoid, two counter bores are formed in each pressing block, and screws are installed in the counter bores.
Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a complex profile milling cutter with a replaceable blade, which has the advantages of simple structure, convenient operation, quick and accurate positioning and clamping, ensures the machining precision and the surface quality during grinding, and ensures the profile precision of a cutter by grinding after the blade is replaced when the service life of the cutter reaches the limit.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the cutter body structure of the present utility model;
FIG. 3 is a schematic view of a blade structure according to the present utility model;
FIG. 4 is a schematic diagram of the structure of the pressing block of the utility model;
in the figure: 1-cutter body, 2-handle, 3-blade, 4-blade groove, 5-briquetting groove, 6-blade, 7-briquetting, 8-counter bore, 9-screw.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-4, the present utility model provides a technical solution: a complex profile milling cutter with replaceable blades comprises a cutter body 1, wherein the cutter body 1 is provided with a blade part 3 and a handle part 2, and a plurality of mounting grooves are uniformly formed in the circumferential direction of the blade part 3 of the cutter body 1; the mounting groove comprises a blade groove 4 and a pressing block groove 5 which are adjacently arranged, a blade 6 is arranged in the blade groove 4, a pressing block 7 is arranged in the pressing block groove 5, the blade 6 is fixed on the cutter body 1 through the pressing block 7, and the pressing block 7 is fixed on the cutter body 1 through a screw 9; the end teeth of the blade 6 are positioned on the central line of the blade body 1, the bevel angle of the front blade surface of the blade 6 is 5-15 degrees, the first relief angle of the rear blade surface of the blade 6 is 6-12 degrees, the second relief angle of the rear blade surface is 16-24 degrees, and the blade 6 is provided with a third relief angle.
In the embodiment, the sizes of the molded lines of the blade 6 and the molded lines of the blade root are corresponding to each other, the molded lines of the blade part 3 of the blade body 1 are 1-2mm in quantity compared with the rotary molded lines of the milling cutter, the number of the blades 6 and the pressing blocks 7 is 6, the thickness of the blades 6 is 3-5mm, and the blades 6 are made of hard alloy.
The mounting groove is of a chute structure, the included angle between the blade groove 4 and the central line of the cutter body 1 is 5-15 degrees, the section of each pressing block 7 is of a right trapezoid, two counter bores 8 are formed in each pressing block 7, and screws 9 are mounted in the counter bores 8.
As shown in fig. 1, the utility model discloses a complex molded line blade root milling cutter with a replaceable hard alloy blade 6, and the cutter related by the utility model adopts a machine clamping structure, and consists of a cutter body 1, the blade 6, a pressing block 7 and a screw 9, wherein the molded line size of the blade 6 is correspondingly consistent with the molded line size of the blade root, the thickness is between 3 mm and 5mm, the molded line of the blade part 3 of the cutter body 1 is 1 mm to 2mm,4 mm to 8 teeth compared with the revolving molded line of the milling cutter, and the cutter body 1 is tightly pressed by the pressing block 7 and the screw 9 through a chute structure. The cutter end teeth are positioned on the central line, the cutter front cutter face bevel angle is 5-15 degrees, the first relief angle is 6-12 degrees, the second relief angle is 16-24 degrees, and the third relief angle is processed to avoid interference.
As shown in figure 2, one end of the cutter body 1 is a handle part 2 of a phi 32 or phi 42 standard handle, the other end is a blade part 3 provided with a pressing block groove 5 and a blade groove 4, a screw hole for pressing is formed in the pressing block groove 5, and the included angle between the blade groove 4 and the central line is 5-15 degrees.
As shown in fig. 3, the rake face of the insert 6 is a plane, the relief face has a first relief angle of 6 ° to 12 °, a second relief angle of 16 ° to 24 °, and a third relief angle is machined to avoid interference.
As shown in fig. 4, the angle of the pressing block 7 is consistent with the angle of the blade groove of the cutter body 1, and the counter bore 8 is used for assembling the screw 9.
The utility model has the advantages of simple structure, convenient operation, quick and accurate positioning and clamping, ensuring the machining precision and the surface quality during grinding, and ensuring the molded line precision of the cutter by replacing the blade 6 and grinding when the service life of the cutter reaches the limit.
The blade 6 is arranged on the cutter body 1, is pressed by the pressing block 7 and the screw 9, and then the front cutter surface and the rear cutter surface are ground, so that the molded line precision is ensured. After the tool reaches the wear limit, the blade 6 is replaced and the profile of the edge 3 and the coating are reground. Thus, the cutter body 1 can be reused, and the cutter cost is saved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. A complex profile milling cutter with replaceable blades is characterized in that: the cutter comprises a cutter body, wherein the cutter body is provided with a blade part and a handle part, and a plurality of mounting grooves are uniformly formed in the circumferential direction of the blade part of the cutter body; the mounting groove comprises a blade groove and a pressing block groove which are adjacently arranged, a blade is arranged in the blade groove, a pressing block is arranged in the pressing block groove, the blade is fixed on the cutter body through the pressing block, and the pressing block is fixed on the cutter body through a screw; the end teeth of the blade are positioned on the central line of the blade body, the bevel angle of the front blade surface of the blade is 5-15 degrees, the first relief angle of the rear blade surface of the blade is 6-12 degrees, the second relief angle of the rear blade surface is 16-24 degrees, and the blade is provided with a third relief angle.
2. The complex line milling cutter of replaceable inserts according to claim 1, wherein: the blade profile and the blade root profile are corresponding and consistent in size, and the cutter body blade profile is 1-2mm in yield compared with the milling cutter rotation profile.
3. The complex line milling cutter of replaceable inserts according to claim 1, wherein: the number of the blades and the pressing blocks is 6, the thickness of the blades is 3-5mm, and the blades are made of hard alloy.
4. The complex line milling cutter of replaceable inserts according to claim 1, wherein: the mounting groove is of a chute structure.
5. The complex line milling cutter of replaceable inserts according to claim 1, wherein: the included angle between the blade groove and the central line of the blade body is 5-15 degrees.
6. The complex line milling cutter of replaceable inserts according to claim 1, wherein: the section of each pressing block is right trapezoid, two counter bores are formed in each pressing block, and screws are installed in the counter bores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320966161.0U CN219852310U (en) | 2023-04-26 | 2023-04-26 | Complex line milling cutter with replaceable blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320966161.0U CN219852310U (en) | 2023-04-26 | 2023-04-26 | Complex line milling cutter with replaceable blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219852310U true CN219852310U (en) | 2023-10-20 |
Family
ID=88347792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320966161.0U Active CN219852310U (en) | 2023-04-26 | 2023-04-26 | Complex line milling cutter with replaceable blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219852310U (en) |
-
2023
- 2023-04-26 CN CN202320966161.0U patent/CN219852310U/en active Active
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| GR01 | Patent grant |