CN217512929U - Milling cutter - Google Patents
Milling cutter Download PDFInfo
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- CN217512929U CN217512929U CN202221004151.0U CN202221004151U CN217512929U CN 217512929 U CN217512929 U CN 217512929U CN 202221004151 U CN202221004151 U CN 202221004151U CN 217512929 U CN217512929 U CN 217512929U
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- blade
- chip
- handle
- milling cutter
- blade seat
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- 238000003801 milling Methods 0.000 title claims abstract description 51
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 12
- 238000003754 machining Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
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Abstract
The application relates to a milling cutter, which comprises a cutter handle and a cutter head connected with the cutter handle, wherein a first blade seat and a second blade seat which are distributed circumferentially are arranged at the end part of the cutter head; a first chip removal groove is formed between the first chip removal surface and the second installation surface, and a second chip removal groove is formed between the second chip removal surface and the first installation surface; the first blade is arranged on the first mounting surface, the second blade is arranged on the second mounting surface, the first blade seat is obliquely arranged on one side, away from the cutter handle, of the first chip discharging surface, the chip feeding surface is arranged, and one side, close to the first blade seat, of the second blade is attached to the chip feeding surface. This application has the effect that improves wear resistance.
Description
Technical Field
The application relates to the field of machining tools, in particular to a milling cutter.
Background
A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.
At present, in the related art, when a workpiece is machined, the abrasion of a tool is aggravated due to a large cutting force, and a blade welded to a tool bit is easily separated, so that the tool needs to be frequently replaced.
The related technology has the defect of poor wear resistance of the milling cutter.
SUMMERY OF THE UTILITY MODEL
In order to improve the relatively poor problem of wear resistance, this application provides a milling cutter.
The application provides a milling cutter adopts following technical scheme:
a milling cutter comprises a cutter handle and a cutter head connected with the cutter handle, wherein a first cutting edge seat and a second cutting edge seat which are distributed circumferentially are arranged at the end part of the cutter head, a first chip removal surface is arranged on one side of the first cutting edge seat, a first mounting surface is arranged on the other side of the first cutting edge seat, a second chip removal surface is arranged on one side of the second cutting edge seat, a second mounting surface is arranged on the other side of the second cutting edge seat, the first chip removal surface is adjacent to the second mounting surface, and the second chip removal surface is adjacent to the first mounting surface;
a first chip removal groove is formed between the first chip removal surface and the second installation surface, and a second chip removal groove is formed between the second chip removal surface and the first installation surface; the first blade is arranged on the first mounting surface, the second blade is arranged on the second mounting surface, the first blade seat is obliquely provided with a chip inlet surface on one side, away from the knife handle, of the first chip discharge surface, and one side, close to the first blade seat, of the second blade is attached to the chip inlet surface.
By adopting the technical scheme, the first blade is arranged on the mounting surface of the first blade seat, the second blade is arranged on the mounting surface of the second blade seat, the first chip removal surface is adjacent to the second blade, the second chip removal surface is adjacent to the first blade, the cutter handle rotates during machining, the first blade and the second blade cut a workpiece, and generated waste chips enter the first discharge groove through the chip inlet surface and are separated from the outside along the first chip removal groove. The first blade seat is provided with the chip inlet face, one side face of the second blade is attached to the chip inlet face, the width of one end, away from the knife handle, of the second blade is larger than that of one end, away from the knife handle, of the first blade, the contact area of the second blade and the second blade seat is increased, and meanwhile, the second blade is equivalently clamped on the first blade seat, and the stability of the second blade is improved. When the handle of a knife rotary work, because the width of the tip of second blade is greater than the width of the tip of first blade, the area of the cutting of the rotatory during operation of the higher second blade of stability is bigger than the cutting area of first blade, has reduced the working strength of first blade, and then improves milling cutter's wear resistance, reduces the replacement cycle to the blade simultaneously, reduce cost.
Optionally, a first avoidance surface is arranged at one end, away from the handle, of the first blade seat, a second avoidance surface is arranged at one end, away from the handle, of the second blade seat, and the first avoidance surface and the second avoidance surface are both inclined towards a direction close to the handle.
By adopting the technical scheme, the arrangement of the first avoidance surface and the second avoidance surface ensures that a workpiece needing to be cut is not easy to abrade the end parts of the first blade seat and the second blade seat during cutting; on the other hand, when the milling cutter drills a hole, waste chips cut from one end of the blade far away from the cutter handle enter the chip groove through the first avoidance surface and the second avoidance surface.
Optionally, a first inclined surface is arranged on one side, away from the handle, of the first blade, and the first inclined surface and the first avoidance surface are located on the same plane; one side of the second blade, which is far away from the handle, is provided with a second inclined surface, and the second inclined surface and the second avoidance surface are positioned on the same plane.
By adopting the technical scheme, when the milling cutter is used for drilling, the end parts of the first blade and the second blade are abutted against a workpiece, and scraps generated at the end part of the cutter head directly enter a scrap groove, so that the milling cutter is convenient to drill, and the working efficiency of the milling cutter is improved.
Optionally, the first blade seat is provided with a first guide surface on one side of the first avoiding surface close to the chip inlet surface, and the first guide surface is inclined in a direction close to the chip inlet surface and close to the tool holder; and a second guide surface is arranged on one side, close to the second chip removal surface, of the second avoidance surface of the second blade seat, and the second guide surface inclines towards the direction close to the second chip removal surface and the direction close to the tool handle.
By adopting the technical scheme, the first guide surface and the second guide surface play a role in guiding, when the chips cut at one end, far away from the cutter handle, of the blade pass through the first avoiding surface and the second avoiding surface, the chips continue to enter the chip removal groove after being guided by the first guide surface and the second guide surface, and the efficiency of discharging the chips in the machining process is accelerated.
Optionally, a side surface of the first blade departing from the first mounting surface and a side surface of the second blade departing from the second mounting surface are on the same plane.
By adopting the technical scheme, one side face of the first blade departing from the first mounting surface and one side face of the second blade departing from the second mounting surface are positioned on the same plane, so that the first blade seat and the second blade seat are uniformly distributed, and the structural stability of the milling cutter is improved.
Optionally, the first blade and the second blade are provided with rotary-cut surfaces for cutting a workpiece on one side away from the axis of the tool bit.
Through adopting above-mentioned technical scheme, the setting of rotary-cut face is convenient for the milling cutter drilling and is made the milling cutter more rich in the aesthetic feeling.
Optionally, the space size of the first chip groove is the same as the space size of the second chip groove.
Through adopting above-mentioned technical scheme, the space size of first chip groove and second chip groove equals, guarantees that the sweeps can discharge fast.
Optionally, a chamfer is arranged at the end of the tool shank far away from the tool bit.
By adopting the technical scheme, the arrangement of the chamfer is convenient for the assembly of the milling cutter and the removal of burrs generated on the milling cutter during the processing of workpieces.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through set up into bits face on first blade seat, a side of second blade with advance the bits face laminating, the width that makes the one end that the handle of a knife was kept away from to the second blade is greater than the width that the one end that the handle of a knife was kept away from to first blade, has increased the area of contact of second blade with the second blade seat, the second blade is equivalent to the joint simultaneously on first blade seat, improves the stability of second blade. When the cutter handle rotates to work, because the width of the end part of the second blade is larger than that of the end part of the first blade, the cutting area of the second blade with higher stability in the rotating work is larger than that of the first blade, so that the working strength of the first blade is reduced, the wear resistance of the milling cutter is further improved, the replacement period of the blades is reduced, and the cost is reduced;
2. when the waste chips cut from one end of the blade far away from the tool holder pass through the first avoidance surface and the second avoidance surface, the waste chips continue to enter the chip removal groove after being guided by the first guide surface and the second guide surface, so that the waste chip removal efficiency in the machining process is improved;
3. the chamfer is convenient for the assembly of the milling cutter and the removal of burrs generated when the milling cutter is used for processing workpieces.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure embodying the first and second blade seats in an embodiment of the present application;
fig. 3 is a top view of a cutter head in an embodiment of the present application.
Description of reference numerals: 1. a knife handle; 11. chamfering; 2. a cutter head; 3. a first blade seat; 31. a first chip removal surface; 32. a first mounting surface; 33. chip feeding noodles; 34. a first avoidance surface; 35. a first guide surface; 4. a second blade seat; 41. a second chip surface; 42. a second mounting surface; 43. a second avoidance surface; 44. a second guide surface; 5. a first blade; 51. a first inclined plane; 6. a second blade; 61. a second inclined plane; 7. a first chip discharge groove; 8. a second chip groove; 9. and (5) rotary cutting the surface.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a milling cutter.
Referring to fig. 1 and 2, the milling cutter comprises a cutter handle 1 and a cutter head 2, the cutter handle 1 and the cutter head 2 are integrally formed, a first blade holder 3 and a second blade holder 4 which are circumferentially distributed are integrally formed at the end part of the cutter head 2, a first chip removal surface 31 is arranged on one side of the first blade holder 3, a first mounting surface 32 is arranged on the other side of the first blade holder 3, a second chip removal surface 41 is arranged on one side of the second blade holder 4, a second mounting surface 42 is arranged on the other side of the second blade holder 4, wherein the first chip removal surface 31 is adjacent to the second mounting surface 42, and the second chip removal surface 41 is adjacent to the first mounting surface 32; a first chip discharge groove 7 is formed between the first chip discharge surface 31 and the second mounting surface 42, and a second chip discharge groove 8 is formed between the second chip discharge surface 41 and the first mounting surface 32; the first mounting surface 32 is provided with a first blade 5, the second mounting surface 42 is provided with a second blade 6, the first blade seat 3 is obliquely provided with a chip inlet surface 33 on one side of the first chip outlet surface 31 far away from the tool holder 1, and one side of the second blade 6 close to the first blade seat 3 is attached to the chip inlet surface 33.
Specifically, in the embodiment of the present application, the tool shank 1 and the tool bit 2 are both cylindrical. The space size of the first chip groove 7 is the same as that of the second chip groove 8, and waste chips can be discharged quickly. When the tool holder 1 rotates during machining, the first blade 5 and the second blade 6 cut a workpiece, and generated waste chips enter the first discharge groove through the chip inlet surface 33 and are separated from the outside along the first discharge groove 7. One side of the second blade 6 close to the first blade seat 3 is attached to the first chip discharging surface 31 and the chip feeding surface 33, so that the width of one end, away from the handle 1, of the second blade 6 is larger than that of one end, away from the handle 1, of the first blade 5, and the contact area of the second blade 6 and the second blade seat 4 is increased; meanwhile, the second blade 6 is equivalently clamped on the first blade seat 3, so that the second blade 6 is not easy to separate, the stability of the second blade 6 is improved, and the service life of the second blade 6 is prolonged.
When the tool shank 1 rotates, the width of the end part of the second blade 6 is larger than that of the end part of the first blade 5, so that the cutting area of the second blade 6 with higher stability during the rotation is larger than that of the first blade 5, and the working strength of the first blade 5 is reduced. Compared with the prior art that the same blades are uniformly arranged on the cutter head 2, the stability of the second blade 6 is improved, and the second blade 6 and the first blade 5 are matched with each other in the working process, so that the efficiency is higher; on the other hand, although the contact area between the first blade 5 and the first blade seat 3 is not increased, the second blade 6 reduces the working strength of the first blade 5, reduces the abrasion of the first blade 5, further improves the wear resistance of the milling cutter, prolongs the service life of the milling cutter, reduces the replacement period of the blades and reduces the cost.
Referring to fig. 1 and 3, a side surface of the first blade 5 away from the first mounting surface 32 and a side surface of the second blade 6 away from the second mounting surface 42 are parallel to each other and are located on the same plane, so that the first blade holder 3 and the second blade holder 4 are uniformly distributed, and the structural stability of the milling cutter is improved.
One end of the first blade seat 3, which is far away from the handle 1, is provided with a first avoidance surface 34, one end of the second blade seat 4, which is far away from the handle 1, is provided with a second avoidance surface 43, and the first avoidance surface 34 and the second avoidance surface 43 are inclined towards the direction close to the handle 1. When the milling cutter drills a hole, waste chips cut from one end, far away from the cutter handle 1, of the blade enter a chip groove through the first avoidance surface 34 and the second avoidance surface 43; on the other hand, the provision of the first relief surface 34 and the second relief surface 43 makes it difficult for the workpiece to abrade the end surface of the blade holder during cutting.
Referring to fig. 1 and 2, the first blade seat 3 is provided with a first guide surface 35 on one side of the first relief surface 34 close to the chip inlet surface 33, and the first guide surface 35 is inclined in a direction close to the chip inlet surface 33 and close to the holder 1; the second tool seat 4 is provided with a second guide surface 44 on the side of the second chip surface 43 adjacent to the second chip surface 41, and the second guide surface 44 is inclined in the direction adjacent to the second chip surface 41 and the tool shank 1. When the milling cutter drills a hole, when the waste chips cut from one end, far away from the cutter handle 1, of the cutter blade pass through the first avoidance surface 34 and the second avoidance surface 43, the first guide surface 35 inclines towards the first chip discharge groove 7, the second guide surface 44 inclines towards the second chip discharge groove 8, the first guide surface 35 and the second guide surface 44 play a role in guiding, the waste chips enter the chip discharge grooves through the first guide surface 35 and the second guide surface 44, and the waste chip discharge efficiency in the machining process is improved.
Referring to fig. 1 and 2, the first and second blades 5, 6 are each provided with a rotary cut surface 9 on a side remote from the axis of the tool bit 2. Specifically, the rotary cutting surface 9 is a circular arc surface and is adapted to the outer circular surface of the first blade holder 3 and the outer circular surface of the second blade holder 4, so that the milling cutter can drill holes conveniently, and the milling cutter is more attractive.
A first inclined surface 51 is arranged on one side, away from the tool handle 1, of the first blade 5, and the first inclined surface 51 and the first avoidance surface 34 are located on the same plane; one side of the second blade 6, which is far away from the tool holder 1, is provided with a second inclined surface 61, and the second inclined surface 61 and the second avoidance surface 43 are on the same plane. The first inclined surface 51 and the second inclined surface 61 are arranged, when the milling cutter is used for drilling, the end parts of the first blade 5 and the second blade 6 are abutted to a workpiece, and waste chips generated at the end part of the cutter head 2 directly enter a chip groove, so that the milling cutter can drill conveniently, and the working efficiency of the milling cutter is improved.
Referring to fig. 1, in order to facilitate the installation of the milling cutter and the removal of burrs generated when a workpiece is machined using the milling cutter, the end of the shank 1 remote from the tool bit 2 is provided with a chamfer 11, making the milling cutter more aesthetically pleasing.
The implementation principle of the milling cutter in the embodiment of the application is as follows: when a workpiece is drilled, the first inclined surface 51 of the first blade 5 and the second inclined surface 61 of the second blade 6 are abutted against the surface of the workpiece, and the cutter handle 1 is rotated to enable the milling cutter to drill the workpiece; the first blade seat 3 is obliquely provided with a chip inlet surface 33 on one side of the first chip discharge surface 31 far away from the cutter handle 1, one side of the second blade 6 close to the first blade seat 3 is attached to the chip inlet surface 33, so that the width of the end part of the first blade 5 is larger than that of the end part of the first blade 5, the contact area between the second blade 6 and the second blade seat 4 is increased, and the stability of the second blade 6 is higher; the cutting area of the second blade 6 with higher stability in the rotating work is larger than that of the first blade 5, the working strength of the first blade 5 is reduced, the service life of the blade is prolonged, and the wear resistance of the milling cutter is further improved. And the scraps enter the scrap discharge groove through the scrap inlet surface 33, so that the scrap discharge efficiency is improved.
In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a milling cutter, includes handle of a knife (1) and with tool bit (2) that handle of a knife (1) is connected, its characterized in that: the end part of the tool bit (2) is provided with a first blade seat (3) and a second blade seat (4) which are distributed circumferentially, one side of the first blade seat (3) is provided with a first chip removal surface (31), the other side of the first blade seat (3) is provided with a first mounting surface (32), one side of the second blade seat (4) is provided with a second chip removal surface (41), the other side of the second blade seat (4) is provided with a second mounting surface (42), the first chip removal surface (31) and the second mounting surface (42) are arranged adjacently, and the second chip removal surface (41) and the first mounting surface (32) are arranged adjacently;
a first chip discharge groove (7) is formed between the first chip discharge surface (31) and the second mounting surface (42), and a second chip discharge groove (8) is formed between the second chip discharge surface (41) and the first mounting surface (32); the chip removing machine is characterized in that a first blade (5) is installed on the first installation face (32), a second blade (6) is installed on the second installation face (42), the first blade seat (3) is obliquely provided with a chip feeding face (33) on one side, away from the cutter handle (1), of the first chip discharging face (31), and one side, close to the first blade seat (3), of the second blade (6) is attached to the chip feeding face (33).
2. The milling cutter according to claim 1, wherein: one end, far away from the handle (1), of the first blade seat (3) is provided with a first avoidance surface (34), one end, far away from the handle (1), of the second blade seat (4) is provided with a second avoidance surface (43), and the first avoidance surface (34) and the second avoidance surface (43) incline towards the direction close to the handle (1).
3. The milling cutter according to claim 2, wherein: the first blade seat (3) is provided with a first guide surface (35) on one side of the first avoiding surface (34) close to the chip inlet surface (33), and the first guide surface (35) inclines towards the direction close to the chip inlet surface (33) and the direction close to the cutter handle (1); and a second guide surface (44) is arranged on one side, close to the second chip removal surface (41), of the second avoidance surface (43) of the second blade seat (4), and the second guide surface (44) inclines towards the direction close to the second chip removal surface (41) and the direction close to the tool handle (1).
4. The milling cutter according to claim 2, wherein: a first inclined surface (51) is arranged on one side, away from the cutter handle (1), of the first blade (5), and the first inclined surface (51) and the first avoidance surface (34) are located on the same plane; one side, far away from the cutter handle (1), of the second blade (6) is provided with a second inclined surface (61), and the second inclined surface (61) and the second avoidance surface (43) are located on the same plane.
5. The milling cutter according to claim 1, wherein: the side surface of the first blade (5) departing from the first mounting surface (32) and the side surface of the second blade (6) departing from the second mounting surface (42) are on the same plane.
6. The milling cutter according to claim 1, wherein: and rotary-cut surfaces (9) for cutting a workpiece are arranged on one sides of the first blade (5) and the second blade (6) far away from the axis of the cutter head (2).
7. The milling cutter according to claim 1, wherein: the space size of the first chip groove (7) is the same as that of the second chip groove (8).
8. The milling cutter according to claim 1, wherein: the end part, far away from the tool bit (2), of the tool shank (1) is provided with a chamfer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221004151.0U CN217512929U (en) | 2022-04-27 | 2022-04-27 | Milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221004151.0U CN217512929U (en) | 2022-04-27 | 2022-04-27 | Milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217512929U true CN217512929U (en) | 2022-09-30 |
Family
ID=83371368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221004151.0U Expired - Fee Related CN217512929U (en) | 2022-04-27 | 2022-04-27 | Milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217512929U (en) |
-
2022
- 2022-04-27 CN CN202221004151.0U patent/CN217512929U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220930 |