CN210080822U - Internal cooling milling cutter - Google Patents
Internal cooling milling cutter Download PDFInfo
- Publication number
- CN210080822U CN210080822U CN201920584603.9U CN201920584603U CN210080822U CN 210080822 U CN210080822 U CN 210080822U CN 201920584603 U CN201920584603 U CN 201920584603U CN 210080822 U CN210080822 U CN 210080822U
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- milling cutter
- hole
- cutter body
- internal cooling
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Abstract
The utility model provides an internal cooling milling cutter, including cylindrical cutter body and the tool bit of a plurality of annular arrays in cylindrical cutter body side, cylindrical cutter body and tool bit formula structure as an organic whole, the inside of cylindrical cutter body is provided with the annular reservoir that is used for preserving the coolant liquid, be provided with a plurality of and the communicating water conservancy diversion hole of annular reservoir on the lateral wall of cylindrical cutter body, a plurality of water conservancy diversion hole annular array distribute, be provided with the depressed section between the adjacent tool bit, be provided with in the depressed section with the communicating liquid hole of play of water conservancy diversion hole, go out the position correspondence in liquid hole and. The utility model discloses the too much heat that produces when can taking away the cutting workpiece avoids high temperature to cause the processing work piece to warp, simultaneously, can avoid high temperature to destroy the structure of tool bit, prolongs the life of tool bit.
Description
Technical Field
The utility model relates to a milling cutter technical field specifically is an internal cooling 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. The tool may generate a large amount of heat energy during the rotary cutting process, which may damage the tool bit, reduce the service life of the tool, and the high temperature may cause deformation of the workpiece. There is a need for improvements to milling cutters that address this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an interior cooling milling cutter for the cutter can produce a large amount of heat energy at the in-process of rotatory cutting, can harm the tool bit, reduces the life of cutter, and high temperature can cause the problem that the work piece warp, provides.
The utility model discloses a following technical scheme realizes above-mentioned purpose, an interior cooling milling cutter, be in including cylindrical cutter body and a plurality of annular array the tool bit of cylindrical cutter body side, cylindrical cutter body with tool bit formula structure as an organic whole, the inside of cylindrical cutter body is provided with the annular reservoir that is used for storing the coolant liquid, be provided with on the lateral wall of cylindrical cutter body a plurality ofly with the communicating water conservancy diversion hole of annular reservoir, a plurality of water conservancy diversion hole annular array distributes, and is adjacent be provided with sunken section between the tool bit, be provided with in the sunken section with the communicating liquid hole of water conservancy diversion hole, go out the liquid hole with the position in water conservancy diversion hole corresponds.
As a further setting of the utility model, the water conservancy diversion hole is close to the orifice diameter of the one end of annular reservoir is greater than the water conservancy diversion hole is kept away from the orifice diameter of the one end of annular reservoir.
As a further setting of the utility model, the inside of annular reservoir is provided with the fender that is used for concentrating the coolant liquid and flows the board, it is located to keep off the board the border position in water conservancy diversion hole, the cross sectional shape that keeps off the board is convex.
As a further setting of the utility model, be provided with on the cylindrical cutter body a plurality of with the notes liquid hole that the annular reservoir is linked together, it is a plurality of all be provided with the handhole door that can close soon on annotating the liquid hole.
As a further setting of the utility model, keep away from on the tool bit the one end of sunken section is provided with the mounting groove, install the milling cutter sword in the mounting groove, the milling cutter sword is including the cutting part that is used for cutting the metal and being used for inserting the installation part of mounting groove, be provided with two at least screw hole one on the installation part, be provided with on the tool bit with the communicating screw hole two of mounting groove, screw hole two with the position of screw hole one corresponds, screw hole two with wear to be equipped with in the screw hole one and be used for fixing the fastening bolt of milling cutter sword.
As a further setting of the utility model, be close to on the sunken section the one end of milling the cutting edge be provided with the communicating draw-in groove of mounting groove, the one end of cutting part inserts in the draw-in groove, the cutting part with draw-in groove interference fit.
As the utility model discloses a further setting, the central point of cylindrical cutter body puts and is provided with the shaft hole that is used for connecting outside drive mechanism, the outer edge in shaft hole is provided with and is used for driving cylindrical cutter body pivoted keyway.
As the utility model discloses a further setting, cylindrical cutter body the tool bit and the milling cutter edge all adopts the high-speed tool steel material to make.
As a further arrangement of the utility model, the outside coating that mills the cutting edge has aluminium nitride chromium coating, the outside coating of aluminium nitride chromium coating has the silicon nitride coating.
As a further arrangement of the utility model, the cylindrical cutter body with the surface of tool bit has all coated the anti-rust paint.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an internal cooling milling cutter, cylindrical cutter body and tool bit formula structure as an organic whole, has strengthened the utility model discloses a structural stability. The cooling liquid is stored in the annular liquid storage tank inside the cylindrical cutter body, along with the rotation of the cylindrical cutter body, the cooling liquid in the annular liquid storage tank can form centrifugal force, the centrifugal force drives the cooling liquid to flow out of the flow guide hole on the outer side wall of the cylindrical cutter body, the cooling liquid flowing out of the flow guide hole flows into the liquid outlet hole corresponding to the position of the flow guide hole, and then flows out of the liquid outlet hole, the cutter head is cooled, excessive heat generated when a cutting workpiece is taken away, deformation of the processing workpiece caused by high temperature is avoided, meanwhile, the structure of the cutter head can be prevented from being damaged by high temperature, and the service life of the cutter head is.
Drawings
Fig. 1 is a front view of an internal cooling milling cutter according to the present invention;
fig. 2 is a cross-sectional view of an internal cooling milling cutter according to the present invention;
fig. 3 is a front view of the cylindrical cutter body of fig. 1;
fig. 4 is a front view of the milling cutter blade of fig. 1.
Reference numerals: 1. a cylindrical cutter body; 2. a cutter head; 3. an annular reservoir; 4. a flow guide hole; 5. a liquid outlet hole; 6. a flow baffle plate; 7. an orifice cover; 8. mounting grooves; 9. milling a cutting edge; 10. a cutting portion; 11. a mounting portion; 12. a first threaded hole; 13. a second threaded hole; 14. a card slot; 15. a shaft hole; 16. a keyway.
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.
Referring to fig. 1-4, an internal cooling milling cutter includes a cylindrical cutter body 1 and a plurality of annular array cutter heads 2 arranged on the side of the cylindrical cutter body 1, the cylindrical cutter body 1 and the cutter heads 2 are of an integral structure, an annular liquid storage tank 3 for storing cooling liquid is arranged inside the cylindrical cutter body 1, a plurality of flow guide holes 4 communicated with the annular liquid storage tank 3 are arranged on the outer side wall of the cylindrical cutter body 1, the plurality of flow guide holes 4 are distributed in an annular array, a recessed section is arranged between adjacent cutter heads 2, a liquid outlet hole 5 communicated with the flow guide hole 4 is arranged in the recessed section, and the liquid outlet hole 5 corresponds to the position of the flow guide hole 4.
As a modified specific embodiment, the diameter of the orifice of one end of the diversion hole 4 close to the annular liquid storage tank 3 is larger than that of the orifice of one end of the diversion hole 4 far away from the annular liquid storage tank 3.
One end of the diversion hole 4 close to the annular liquid storage tank 3 is provided with a large opening, so that more cooling liquid can be received, and the cooling liquid can better flow out of the diversion hole 4.
As a modified specific embodiment, a flow baffle 6 for concentrating the cooling liquid is arranged inside the annular liquid storage tank 3, the flow baffle 6 is located at the edge of the diversion hole 4, and the cross section of the flow baffle 6 is arc-shaped.
In the rotating process of the cylindrical cutter body 1, the cooling liquid also rotates in the annular liquid storage tank 3, when the cooling liquid rotates to the position of the flow guide hole 4, most of the cooling liquid can be blocked by the flow blocking plate 6, and the situation that the cooling liquid cannot flow out of the flow guide hole 4 due to the fact that the rotating speed of the cooling liquid is too high is avoided. Meanwhile, the cross section of the flow baffle 6 is arc-shaped, so that the cooling liquid blocked by the flow baffle 6 can flow to the flow guide holes 4 more easily.
As a modified specific embodiment, a plurality of liquid injection holes communicated with the annular liquid storage tank 3 are arranged on the cylindrical cutter body 1, and each liquid injection hole is provided with a screwed hole cover 7.
When the cooling liquid in the annular liquid storage tank 3 is used up, the hole cover 7 on the liquid injection hole is unscrewed, and new cooling liquid is injected into the annular liquid storage tank 3 through the liquid injection hole, so that the cooling liquid is supplied simply and conveniently.
As an improved specific embodiment, one end of the tool bit 2, which is far away from the recessed section, is provided with a mounting groove 8, a milling blade 9 is mounted in the mounting groove 8, the milling blade 9 comprises a cutting portion 10 for cutting metal and a mounting portion 11 for inserting into the mounting groove 8, the mounting portion 11 is provided with at least two first threaded holes 12, the tool bit 2 is provided with a second threaded hole 13 communicated with the mounting groove 8, the second threaded hole 13 corresponds to the first threaded hole 12, and a fastening bolt for fixing the milling blade 9 penetrates through the second threaded hole 13 and the first threaded hole 12.
The mounting portion 11 of the milling cutter blade 9 is inserted into the mounting groove 8 of the cutter head 2, the first threaded hole 12 in the mounting portion 11 corresponds to the second threaded hole 13 in the cutter head 2 in position, and a fastening bolt is sequentially inserted into the second threaded hole 13 and the first threaded hole 12, thereby fixing the milling cutter blade 9. At this time, the cutting portion 10 of the milling blade 9 is located outside the mounting groove 8, and the cutting portion 10 is used for cutting metal. When the milling cutter blade 9 needs to be replaced, the worn milling cutter blade 9 can be quickly drawn out only by loosening the fastening bolt, and the whole replacing process of the milling cutter blade 9 is completed by inserting a new milling cutter blade 9 into the original position and screwing the fastening bolt. The cylindrical cutter body 1 and the cutter head 2 do not need to be replaced, and the replacement process is simple and convenient.
As a modified specific embodiment, a clamping groove 14 communicated with the mounting groove 8 is arranged at one end of the concave section close to the milling cutter edge 9, one end of the cutting part 10 is inserted into the clamping groove 14, and the cutting part 10 is in interference fit with the clamping groove 14.
When the mounting portion 11 is inserted into the mounting groove 8, one end of the cutting portion 10 is also inserted into the slot 14 of the recessed section, and the cutting portion 10 is in interference fit with the slot 14, so that the connection stability between the milling cutter edge 9 and the cutter head 2 is further improved.
As a modified specific embodiment, the central position of the cylindrical cutter body 1 is provided with a shaft hole 15 for connecting an external transmission mechanism, and the outer edge of the shaft hole 15 is provided with a key slot 16 for driving the cylindrical cutter body 1 to rotate.
Use the utility model discloses in the time inserting shaft hole 15 with outside drive mechanism's axis of rotation, outside drive mechanism's the epaxial fixture block of rotation corresponds with keyway 16, can promote the utility model discloses and the stability of being connected between the outside drive mechanism.
As a modified embodiment, the cylindrical cutter body 1, the cutter head 2 and the milling cutter blade 9 are all made of high-speed tool steel material.
The high-speed tool steel not only has the service performances of high hardness, wear resistance, red hardness and the like, but also has certain processing performances of thermoplasticity, grindability and the like. And a certain amount of cobalt is added on the basis of the universal high-speed tool steel, so that the hardness, the wear resistance and the toughness of the steel are obviously improved. Can prolong the service life of the utility model
As a modified specific embodiment, the outer side of the milling cutter edge 9 is coated with an aluminum chromium nitride coating, and the outer side of the aluminum chromium nitride coating is coated with a silicon nitride coating.
The aluminum chromium nitride coating is a super-smooth coating, so that the wear resistance and the shearing strength of the milling cutter edge 9 can be obviously enhanced, the chip removal performance of the milling cutter edge 9 can be improved, the aluminum chromium nitride coating also has the advantages of improving the refractoriness, the erosion resistance, the thermal shock resistance and the oxidation resistance, the service life of the milling cutter edge 9 is greatly prolonged, the enterprise benefit is increased, the replacement frequency is reduced, the waste of time caused by production stop is reduced, the working efficiency is improved, meanwhile, the silicon nitride coating is covered on the surface of the aluminum chromium nitride coating, the heat transfer from the milling cutter edge 9 to the cutter head 2 is effectively prevented, and therefore, in metal processing, the heat dissipation is promoted.
As a modified specific embodiment, the outer surfaces of the cylindrical cutter body 1 and the cutter head 2 are coated with a rust inhibitive paint.
The anti-rust paint is prior art, and need not be described in detail here, and the anti-rust paint has improved the corrosion resistance of cylindrical cutter body 1 and tool bit 2 to the life of the utility model has been prolonged.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an internal cooling milling cutter, is in including cylindrical cutter body (1) and a plurality of annular array tool bit (2) of cylindrical cutter body (1) side, cylindrical cutter body (1) with tool bit (2) formula structure as an organic whole, its characterized in that: the cooling tool is characterized in that an annular liquid storage tank (3) used for storing cooling liquid is arranged inside the cylindrical tool body (1), a plurality of flow guide holes (4) communicated with the annular liquid storage tank (3) are formed in the outer side wall of the cylindrical tool body (1), the flow guide holes (4) are distributed in an annular array mode, a concave section is arranged between the tool bits (2) and adjacent to the flow guide holes, liquid outlet holes (5) communicated with the flow guide holes (4) are formed in the concave section, and the liquid outlet holes (5) correspond to the flow guide holes (4).
2. An internal cooling milling cutter according to claim 1, characterized in that: the diameter of the orifice at one end of the diversion hole (4) close to the annular liquid storage tank (3) is larger than that of the orifice at one end of the diversion hole (4) far away from the annular liquid storage tank (3).
3. An internal cooling milling cutter according to claim 1, characterized in that: a flow baffle plate (6) used for concentrating cooling liquid is arranged inside the annular liquid storage tank (3), the flow baffle plate (6) is located at the edge of the flow guide hole (4), and the cross section of the flow baffle plate (6) is arc-shaped.
4. An internal cooling milling cutter according to claim 1, characterized in that: the cylindrical cutter body (1) is provided with a plurality of liquid injection holes communicated with the annular liquid storage tank (3), and the liquid injection holes are provided with screwed hole covers (7).
5. An internal cooling milling cutter according to claim 1, characterized in that: keep away from on tool bit (2) the one end of sunken section is provided with mounting groove (8), install milling cutter edge (9) in mounting groove (8), milling cutter edge (9) including cutting part (10) that are used for cutting metal with be used for inserting mounting part (11) of mounting groove (8), be provided with two at least screw hole one (12) on mounting part (11), be provided with on tool bit (2) with the communicating screw hole two (13) of mounting groove (8), screw hole two (13) with the position of screw hole one (12) corresponds, screw hole two (13) with wear to be equipped with in screw hole one (12) and be used for fixing the fastening bolt of milling cutter edge (9).
6. An internal cooling milling cutter according to claim 5, characterized in that: one end, close to the milling cutter edge (9), of the concave section is provided with a clamping groove (14) communicated with the mounting groove (8), one end of the cutting portion (10) is inserted into the clamping groove (14), and the cutting portion (10) is in interference fit with the clamping groove (14).
7. An internal cooling milling cutter according to claim 1, characterized in that: the central point of cylindrical cutter body (1) puts and is provided with shaft hole (15) that are used for connecting outside drive mechanism, the outer edge in shaft hole (15) is provided with and is used for driving cylindrical cutter body (1) pivoted keyway (16).
8. An internal cooling milling cutter according to claim 5, characterized in that: the cylindrical cutter body (1), the cutter head (2) and the milling cutter edge (9) are all made of high-speed tool steel materials.
9. An internal cooling milling cutter according to claim 5, characterized in that: the outer side of the milling cutter edge (9) is coated with an aluminum chromium nitride coating, and the outer side of the aluminum chromium nitride coating is coated with a silicon nitride coating.
10. An internal cooling milling cutter according to claim 1, characterized in that: the outer surfaces of the cylindrical cutter body (1) and the cutter head (2) are coated with antirust paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920584603.9U CN210080822U (en) | 2019-04-26 | 2019-04-26 | Internal cooling milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920584603.9U CN210080822U (en) | 2019-04-26 | 2019-04-26 | Internal cooling milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210080822U true CN210080822U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920584603.9U Active CN210080822U (en) | 2019-04-26 | 2019-04-26 | Internal cooling milling cutter |
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| Country | Link |
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| CN (1) | CN210080822U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774627A (en) * | 2020-07-03 | 2020-10-16 | 台州市英络克工具有限公司 | Slot milling cutter |
| CN112828353A (en) * | 2021-02-01 | 2021-05-25 | 德州亿轮输送机械有限公司 | Milling machine for metal bar processing |
| CN113042796A (en) * | 2021-02-17 | 2021-06-29 | 赵行 | Air-through type annular milling cutter based on CNC control |
-
2019
- 2019-04-26 CN CN201920584603.9U patent/CN210080822U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774627A (en) * | 2020-07-03 | 2020-10-16 | 台州市英络克工具有限公司 | Slot milling cutter |
| CN111774627B (en) * | 2020-07-03 | 2022-03-11 | 台州市英络克工具有限公司 | Slot milling cutter |
| CN112828353A (en) * | 2021-02-01 | 2021-05-25 | 德州亿轮输送机械有限公司 | Milling machine for metal bar processing |
| CN112828353B (en) * | 2021-02-01 | 2023-03-10 | 德州亿轮输送机械有限公司 | Milling machine for metal bar processing |
| CN113042796A (en) * | 2021-02-17 | 2021-06-29 | 赵行 | Air-through type annular milling cutter based on CNC control |
| CN113042796B (en) * | 2021-02-17 | 2022-04-01 | 株洲华新硬质合金工具有限公司 | Air-through type annular milling cutter based on CNC control |
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