CN213857304U - A milling cutter for machining groove R rounding - Google Patents
A milling cutter for machining groove R rounding Download PDFInfo
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- CN213857304U CN213857304U CN202022361923.3U CN202022361923U CN213857304U CN 213857304 U CN213857304 U CN 213857304U CN 202022361923 U CN202022361923 U CN 202022361923U CN 213857304 U CN213857304 U CN 213857304U
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- cavity
- cylindrical block
- milling cutter
- handle
- groove
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Abstract
本实用新型公开了一种机加工凹槽R倒圆的铣刀，包括刀柄，所述刀柄底端固定连接在第一圆柱块的顶端中部，所述第一圆柱块的底端固定连接在第二圆柱块的顶端中部，所述第一圆柱块的侧边等距设置有若干弧边刀刃，所述第一圆柱块的内中部设置有第一空腔，所述第二圆柱块的侧边等距设置有若干直边刀刃。本实用新型中，集水腔中的冷却液从引流道和输水道流入第一空腔与第二空腔中，从第一空腔与第二空腔的开孔中的喷头喷出，使得冷却液在铣到加工凹槽时也能直接喷洒到凹槽内部的切削处冷却润滑刀头，刀柄通过辊轴轴承与凹槽内侧上部接触，防止快速转动的刀柄磨损其他的加工面，确保加工件的加工品质，值得大力推广。
The utility model discloses a milling cutter with a rounded machining groove R, which comprises a tool handle, the bottom end of the tool handle is fixedly connected to the middle of the top end of a first cylindrical block, and the bottom end of the first cylindrical block is fixedly connected In the middle of the top end of the second cylindrical block, a plurality of arc-edge cutting edges are arranged at equal distances on the side of the first cylindrical block, and a first cavity is arranged in the inner middle of the first cylindrical block. A number of straight-edged cutting edges are arranged at equal distances on the side. In the present invention, the cooling liquid in the water collecting cavity flows into the first cavity and the second cavity from the drainage channel and the water conveying channel, and is sprayed from the nozzles in the openings of the first cavity and the second cavity, so that the The coolant can also be sprayed directly to the cutting part inside the groove to cool and lubricate the cutter head when milling to the machining groove. The tool shank is in contact with the upper part of the inner side of the groove through the roller bearing to prevent the fast-rotating tool shank from wearing other machining surfaces. To ensure the processing quality of the processed parts, it is worth vigorously promoting.
Description
Technical Field
The utility model relates to a milling cutter technical field especially relates to a milling cutter of machining recess R radius.
Background
Milling cutters, which are rotary tools used for milling and having one or more teeth, are used for machining planes, steps, grooves, formed surfaces, cutting off workpieces and the like on milling machines, and the teeth cut off the allowance of the workpiece intermittently in sequence during operation.
One of the existing milling cutters for machining the R-radius of the grooves needs to be externally connected with a cooling liquid spray head to align to a machining part for cooling and lubricating when machining, but the cooling liquid cannot be directly sprayed to the milling cutter head in the grooves to the cutting part of a machined part when machining the grooves, and the two milling cutters for machining the R-radius of the grooves easily abrade other machining surfaces of a cutter handle when cutting the inside of the grooves of the workpiece to enter into the machining, so that the machining quality of the machined part is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the milling cutter of a machining recess R radius that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a milling cutter for machining the radius of a groove R comprises a cutter handle, wherein the bottom end of the cutter handle is fixedly connected to the middle of the top end of a first cylindrical block, the bottom end of the first cylindrical block is fixedly connected to the middle of the top end of a second cylindrical block, a plurality of arc-edge cutting edges are arranged on the side of the first cylindrical block at equal intervals, a first cavity is formed in the inner middle of the first cylindrical block, a plurality of straight-edge cutting edges are arranged on the side of the second cylindrical block at equal intervals, a second cavity is formed in the inner middle of the second cylindrical block, a water collecting cavity is arranged at the position, close to the top, of the middle of the cutter handle, the middle of the upper end and the lower end of the water collecting cavity are rotatably connected with the cutter handle through rotary sealing rings, a water injection port is formed in the middle of the right side of the water collecting cavity, connecting grooves are formed in the position, close to the upper end, and four groups of drainage channels are arranged on the outer sides of the connecting grooves at equal intervals, the bottom of spread groove is connected with the bottom of water delivery way, the other end of water delivery way runs through the interior middle part of handle of a knife and downwardly extending through the middle part of first cavity and the middle part of second cavity is connected, the impartial distance all around of first cavity and second cavity is provided with five trompils and the side that first cylinder piece and second cylinder piece were all run through to the trompil, the position that the lower part of handle of a knife is close to the bottom is provided with the mounting groove, be provided with the roller bearing on the mounting groove.
As a further description of the above technical solution:
the bottom end of the arc edge is fixedly connected with the top end of the straight edge.
As a further description of the above technical solution:
the top of the knife handle is provided with a fixing head, and the side surface of the fixing head is a prismatic surface.
As a further description of the above technical solution:
and the water collecting cavity is internally provided with cooling liquid.
As a further description of the above technical solution:
the left side middle part fixed connection of chamber catchments is in one side of stationary blade, the opposite side middle part fixed connection of stationary blade is in the one end of dead lever.
As a further description of the above technical solution:
and the openings are provided with spray heads.
As a further description of the above technical solution:
a conduit is arranged on the water injection port.
As a further description of the above technical solution:
the position of the connecting groove is positioned in the middle of the inner side of the water collecting cavity.
The utility model discloses following beneficial effect has:
1. the utility model discloses in, at first pass through the pipe with the coolant liquid from the water filling port injection chamber that catchments, the coolant liquid in the chamber that catchments flows in the water transfer way through the spread groove from the drainage way, and the coolant liquid that flows in the water transfer way continues to flow in first cavity and second cavity downwards, and the shower nozzle blowout in the trompil of first cavity and second cavity is followed again at last for the coolant liquid also can directly spray the inside cutting department cooling and lubrication tool bit of recess when milling the processing recess.
2. The utility model discloses in, the position that the lower part of handle of a knife is close to the bottom is provided with the mounting groove, is provided with roller bearing on the mounting groove, and the handle of a knife passes through roller bearing and the inboard upper portion contact of recess when arc cutting edge and straight flange cutting edge cutting machined part recess are inside, prevents other machined surfaces of rapid rotation's handle of a knife wearing and tearing, ensures the processing quality of machined part, is worth wideling popularize.
Drawings
Fig. 1 is an internal side view of a milling cutter with a machined groove R radius according to the present invention;
fig. 2 is an external side view of a milling cutter with a machined groove R radius according to the present invention;
fig. 3 is a bottom view of the milling cutter with the radius of the machining groove R provided by the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
Illustration of the drawings:
1. a knife handle; 2. a first cylindrical block; 3. a second cylindrical block; 4. a fixed head; 5. a curved edge blade; 6. straight-edge cutting edges; 7. a water collection cavity; 8. a conduit; 9. a water injection port; 10. a drainage duct; 11. connecting grooves; 12. cooling liquid; 13. a water delivery channel; 14. fixing the rod; 15. a fixing sheet; 16. rotating the sealing ring; 17. mounting grooves; 18. a roll shaft bearing; 19. a first cavity; 20. a second cavity; 21. opening a hole; 22. a spray head; 23. a prismatic surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a milling cutter for machining the radius of a groove R comprises a cutter handle 1, the bottom end of the cutter handle 1 is fixedly connected to the middle of the top end of a first cylindrical block 2, the bottom end of the first cylindrical block 2 is fixedly connected to the middle of the top end of a second cylindrical block 3, a plurality of arc-edge cutting edges 5 are equidistantly arranged on the side edge of the first cylindrical block 2, a first cavity 19 is arranged in the inner middle of the first cylindrical block 2, a plurality of straight-edge cutting edges 6 are equidistantly arranged on the side edge of the second cylindrical block 3, a second cavity 20 is arranged in the inner middle of the second cylindrical block 3, a water collecting cavity 7 is arranged at the position, close to the top, of the middle of the cutter handle 1, a middle of the upper end and the lower end of the water collecting cavity 7 is rotatably connected with the cutter handle 1 through a rotary sealing ring 16, the rotary sealing ring 16 can also seal the water collecting cavity 7 in the rotating process of the cutter handle 1, a water injection port 9 is arranged in the middle of the right side of the water collecting cavity 7, a connecting groove 11 is arranged at the position, close to the upper end of the middle of the inner side of the cutter handle 1, four groups of drainage channels 10 are equidistantly arranged on the outer side of the connecting groove 11, the bottom end of the connecting groove 11 is connected with the bottom end of a water delivery channel 13, the other end of the water delivery channel 13 penetrates through the inner middle part of the cutter handle 1 and downwards extends through the middle part of a first cavity 19 to be connected with the middle part of a second cavity 20, five open holes 21 are equidistantly arranged around the first cavity 19 and the second cavity 20, the open holes 21 are all penetrated through the side edges of the first cylindrical block 2 and the second cylindrical block 3, cooling liquid 12 is injected into the water collecting cavity 7 from the water injection port 9 through a guide pipe 8, the cooling liquid 12 in the water collecting cavity 7 flows into the water delivery channel 13 from the drainage channels 10 through the connecting groove 11, the cooling liquid 12 flowing into the water delivery channel 13 continuously flows downwards into the first cavity 19 and the second cavity 20, and is finally sprayed out from spray nozzles 22 in the open holes 21 of the first cavity 19 and the second cavity 20, so that the cooling liquid 12 can be directly sprayed to a cutting part inside the groove to cool and lubricate the cutter head when the groove is milled, the lower portion of the tool shank 1 is provided with a mounting groove 17 close to the bottom end, a roller bearing 18 is arranged on the mounting groove 17, when the arc-edge cutting edge 5 and the straight-edge cutting edge 6 cut the inner portion of the groove of the machined part, the tool shank 1 is in contact with the upper portion of the inner side of the groove through the roller bearing 18, the tool shank 1 which rotates fast is prevented from wearing other machining surfaces, and machining quality of the machined part is ensured.
The bottom end of the arc edge 5 is fixedly connected with the top end of the straight edge 6, the top of the tool holder 1 is provided with a fixed head 4, the side surface of the fixed head 4 is a prismatic surface 23, the prismatic surface 23 increases the connection stability of the tool holder 1, the water collecting cavity 7 is provided with a cooling liquid 12, the cooling liquid 12 has good cooling performance, lubricating performance and cleaning performance, most of consumed energy is converted into cutting heat in the metal cutting process, the tool is easy to wear, the workpiece is easy to generate local burn or darkening, the processing precision and processing quality of the surface of the workpiece are affected, the tool usually bears great cutting force at the moment of cutting the workpiece, the lubricating performance of the cooling liquid 12 can reduce the front tool face and cutting chips of the tool, reduce the friction and wear between the tool bit and the surface of the workpiece, the service life of the tool is prolonged, and the workpiece obtains good processing precision and roughness, during the cutting or grinding process of metal, greasy dirt, fine cuttings, metal powder, grinding wheel sand grains and the like are mutually bonded and are adhered to a workpiece, a cutter and a machine tool, the machining quality of the workpiece is influenced, the service life of the cutter is reduced, the precision of the machine tool is influenced, the bonding of the fine cuttings, the metal powder and the like is effectively reduced by cleaning the cooling liquid 12, the fine cuttings, the metal powder and the like are quickly washed away in time, the middle of the left side of the water collecting cavity 7 is fixedly connected to one side of the fixing plate 15, the middle of the other side of the fixing plate 15 is fixedly connected to one end of the fixing rod 14, the spray heads 22 are arranged in the openings 21, the guide pipe 8 is arranged on the water injection port 9, and the connecting groove 11 is located in the middle of the inner side of the water collecting cavity 7.
The working principle is as follows: firstly fixing a fixing head 4 at the top of a tool shank 1 on a chuck of a lathe, fixing a water collecting cavity 7 through a fixing rod 14, finally opening the device, simultaneously injecting cooling liquid 12 into the water collecting cavity 7 from a water injection port 9 through a guide pipe 8, wherein the cooling liquid 12 in the water collecting cavity 7 flows into a water conveying channel 13 from a drainage channel 10 through a connecting groove 11, the middle parts of the upper end and the lower end of the water collecting cavity 7 are rotatably connected with the tool shank 1 through rotary sealing rings 16, the rotary sealing rings 16 can also seal the water collecting cavity 7 in the rotating process of the tool shank 1, the cooling liquid 12 flowing into the water conveying channel 13 continuously flows downwards into a first cavity 19 and a second cavity 20, and is finally sprayed out from spray heads 22 in open holes 21 of the first cavity 19 and the second cavity 20, so that the cooling liquid 12 can also be directly sprayed to a cutting part inside a groove to cool and lubricate the tool bit when the groove is milled, a mounting groove 17 is arranged at the position, close to the bottom end, of the lower part of the tool shank 1, be provided with roller bearing 18 on mounting groove 17, handle of a knife 1 contacts through roller bearing 18 and the inboard upper portion of recess when arc limit cutting edge 5 and straight flange cutting edge 6 cutting machined part recess is inside, prevent other machined surfaces of fast rotating handle of a knife 1 wearing and tearing, ensure the processing quality of machined part, the top of handle of a knife 1 all is provided with fixed head 4, the side of fixed head 4 is prismatic face 23, prismatic face 23 increases handle of a knife 1's connection steadiness, be provided with coolant liquid 12 in the chamber 7 that catchments, coolant liquid 12 has good cooling performance, lubricating property and cleaning performance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a milling cutter of machine tooling recess R radius, includes handle of a knife (1), its characterized in that: the bottom end of the knife handle (1) is fixedly connected with the middle part of the top end of the first cylindrical block (2), the bottom end of the first cylindrical block (2) is fixedly connected with the middle part of the top end of the second cylindrical block (3), a plurality of arc-edge cutting edges (5) are arranged on the side of the first cylindrical block (2) at equal intervals, a first cavity (19) is arranged in the middle part of the first cylindrical block (2), a plurality of straight-edge cutting edges (6) are arranged on the side of the second cylindrical block (3) at equal intervals, a second cavity (20) is arranged in the middle part of the second cylindrical block (3), a water collecting cavity (7) is arranged at the position, close to the top, in the middle part of the upper end and the lower end of the knife handle (7), the middle part of the upper end and the lower end of the water collecting cavity (7) is rotatably connected with the knife handle (1) through a rotary sealing ring (16), a water injection port (9) is arranged in the middle part of the right side of the water collecting cavity (7), and a connecting groove (11) is arranged at the position, close to the upper end, in the middle part of the inner side of the knife handle (1), the outside equidistance of spread groove (11) is provided with four sets of drainage ways (10), the bottom of spread groove (11) is connected with the bottom of water delivery way (13), the other end of water delivery way (13) runs through the interior middle part of handle of a knife (1) and extends downwards the middle part that extends first cavity (19) and the middle part of second cavity (20) and is connected, the equal equidistance all around of first cavity (19) and second cavity (20) is provided with five trompils (21) and trompil (21) and all runs through the side of first cylinder piece (2) and second cylinder piece (3), the position that the lower part of handle of a knife (1) is close to the bottom is provided with mounting groove (17), be provided with roller bearing (18) on mounting groove (17).
2. The milling cutter of claim 1, wherein: the bottom end of the arc edge (5) is fixedly connected with the top end of the straight edge (6).
3. The milling cutter of claim 1, wherein: the tool handle is characterized in that the top of the tool handle (1) is provided with a fixing head (4), and the side surface of the fixing head (4) is a prismatic surface (23).
4. The milling cutter of claim 1, wherein: and cooling liquid (12) is arranged in the water collecting cavity (7).
5. The milling cutter of claim 1, wherein: the left side middle part fixed connection of water collecting cavity (7) is in one side of stationary blade (15), the opposite side middle part fixed connection of stationary blade (15) is in the one end of dead lever (14).
6. The milling cutter of claim 1, wherein: and spray heads (22) are arranged in the open holes (21).
7. The milling cutter of claim 1, wherein: a guide pipe (8) is arranged on the water injection port (9).
8. The milling cutter of claim 1, wherein: the connecting groove (11) is positioned in the middle of the inner side of the water collecting cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361923.3U CN213857304U (en) | 2020-10-22 | 2020-10-22 | A milling cutter for machining groove R rounding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361923.3U CN213857304U (en) | 2020-10-22 | 2020-10-22 | A milling cutter for machining groove R rounding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213857304U true CN213857304U (en) | 2021-08-03 |
Family
ID=77073756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022361923.3U Expired - Fee Related CN213857304U (en) | 2020-10-22 | 2020-10-22 | A milling cutter for machining groove R rounding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213857304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4389331A1 (en) * | 2022-12-21 | 2024-06-26 | Seco Tools Ab | Milling tool body and a milling tool |
-
2020
- 2020-10-22 CN CN202022361923.3U patent/CN213857304U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4389331A1 (en) * | 2022-12-21 | 2024-06-26 | Seco Tools Ab | Milling tool body and a milling tool |
| WO2024132341A1 (en) * | 2022-12-21 | 2024-06-27 | Seco Tools Ab | Milling tool body and a milling tool |
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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: 20210803 |