CN212042839U - Milling cutter for numerical control machine tool - Google Patents
Milling cutter for numerical control machine tool Download PDFInfo
- Publication number
- CN212042839U CN212042839U CN202020226614.2U CN202020226614U CN212042839U CN 212042839 U CN212042839 U CN 212042839U CN 202020226614 U CN202020226614 U CN 202020226614U CN 212042839 U CN212042839 U CN 212042839U
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- connecting rod
- milling
- spiral
- milling cutter
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Abstract
The utility model relates to a numerical control processing field, specific is a milling cutter for digit control machine tool. It includes fixed head, connecting rod and mills the portion, mills the portion and connects on the fixed head through the connecting rod, mills the portion and be connected with the connecting rod is detachable, and the connecting rod includes the fixed axle, fills liquid and a plurality of rotary vibration absorber, and the lower extreme processing of connecting rod has cylindrical cavity, and a plurality of rotary vibration absorber suit are on the fixed axle, and the fixed axle setting has spiral air current passageway in cylindrical cavity, has seted up in the fixed axle. The utility model discloses an useful part lies in: high-pressure gas enters the spiral airflow channel through the air inlet channel, then spiral gas is formed in the spiral airflow channel, the formed spiral gas is sprayed out through the air outlet channel and the air outlet, cutting chips generated during workpiece machining can be blown, and the cutting chip discharge efficiency is improved.
Description
Technical Field
The utility model relates to a numerical control processing field, specific is a milling cutter for digit control machine tool.
Background
Milling cutter mainly used is maintained the blind hole that has processed, need get rid of the cutting bits that the processing produced when using to improve the processingquality who mills, this purpose is realized through the chip groove to current technical means, but adopts the chip groove alone, can't get rid of the cutting bits that fall into in the blind hole, owing to mill the in-process and produce the vibration easily moreover, thereby cause the radial float of connecting rod, influence the processingquality to the hole, lack among the prior art with the chip removal and reduce the technique that the vibration combined together.
Disclosure of Invention
In order to overcome the defect among the prior art, the embodiment of the utility model provides a milling cutter for digit control machine tool and application method thereof, it is convenient for to getting rid of the cutting bits that mill the in-process and produce, reduces the vibration that mills the in-process to improve stability, improve processingquality.
The embodiment of the application discloses a milling cutter for a numerical control machine tool, which comprises a fixed head, a connecting rod and a milling part, wherein the milling part is connected onto the fixed head through the connecting rod, the milling part is detachably connected with the connecting rod, the connecting rod comprises a fixed shaft, filling liquid and a plurality of rotary vibration absorbers, the lower end of the connecting rod is processed into a cylindrical cavity, the rotary vibration absorbers are sleeved on the fixed shaft, the fixed shaft is arranged in the cylindrical cavity, the upper end of the fixed shaft is connected onto the upper wall of the cylindrical cavity, the upper wall is also provided with a liquid injection hole for injecting the filling liquid, the lower end of the fixed shaft is connected onto the lower wall of the cylindrical cavity, a spiral airflow channel is arranged in the fixed shaft, the trend of the spiral airflow channel is opposite to the rotating direction of the milling part, and an air inlet channel communicated with the spiral airflow channel is arranged in the fixed head, the air inlet channel is connected with a high-pressure air source, an air outlet channel communicated with the spiral air flow channel is formed in the milling portion, the air outlet channel is connected with an air outlet hole, the air outlet hole is formed in the bottom of the milling portion, and the cylindrical cavity is filled with filling liquid.
Furthermore, the rotary vibration absorber comprises a rotary sleeve which is rotatably connected to the fixed shaft and a plurality of fan-blade-shaped buffer plates which are connected to the rotary sleeve, and the fan-blade-shaped buffer plates are uniformly connected to the outer circular surface of the rotary sleeve.
Further, the milling part comprises a connecting part, a cutter fixing part connected to the connecting part and a blade detachably connected to the cutter fixing part, the connecting part is detachably connected to the connecting rod, the air outlet channel penetrates through the connecting part, and the cutter fixing part is sleeved on the connecting part.
Furthermore, the lower end of the spiral airflow channel is provided with a first V-shaped interface below an open slot, the upper end of the air outlet channel extends outwards to form a second V-shaped interface matched with the first V-shaped interface, the first V-shaped interface is in interference fit with the second V-shaped interface, and the second V-shaped interface is welded on the connecting part.
Further, the cutter fixed part is the loop configuration cutter fixed part bottom is the annular array and has seted up a plurality of constant head tank, have the matching on the blade the grafting piece of constant head tank shape first screw hole has been seted up in the constant head tank be provided with the second screw hole on the grafting piece, the grafting piece passes through bolted connection in the constant head tank, the bolt passes first screw hole with the second screw hole.
Further, the number of the rotary vibration absorbers is at least 3, and the distances between two adjacent rotary vibration absorbers are the same.
Further, the filling liquid is methyl silicone oil.
Further, its characterized in that, the constant head tank is the rectangle, the quantity of first screw in the constant head tank is 3 at least, the grafting piece passes through second screw hole and bolted connection and is in the difference adjust in the first screw hole the extension length of blade.
Furthermore, a plurality of chip grooves are formed in the outer circular surface of the cutter fixing part.
The utility model has the advantages as follows: the utility model relates to a milling cutter for digit control machine tool has seted up spiral airflow channel in the fixed axle, set up the intercommunication in the fixed head the inlet channel of spiral airflow channel, inlet channel is connected with high-pressure air supply, set up the intercommunication in the milling part the outlet channel of spiral airflow channel, outlet channel is connected with the venthole, and high-pressure gas gets into spiral airflow channel through inlet channel, then forms spiral gas in spiral airflow channel, and the spiral gas that forms is spout through outlet channel and through the gas outlet through outlet port, can blow up the cutting bits that the work piece adds the production in man-hour, improves the discharge efficiency of cutting bits; in addition, the milling cutter for the numerical control machine tool generates vibration in the milling process and transmits the vibration to the rotary vibration absorber, so that the rotary vibration absorber performs rotary motion or swinging motion around the fixed shaft, the vibration energy is converted into the kinetic energy of the rotary vibration absorber and is absorbed by the filling liquid in the cylindrical cavity, and the purpose of vibration absorption is achieved; in addition, the direction of the spiral airflow channel is opposite to the rotating direction of the milling part, so that partial vibration generated in the rotating process of the milling cutter for the numerical control machine tool can be offset, and the vibration reduction effect is further improved.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a milling cutter for a numerical control machine tool according to an embodiment of the present invention.
Fig. 2 is a schematic view of the connection structure of the blade of fig. 1.
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 and 2, in a preferred embodiment of the present invention, the milling cutter for a numerical control machine tool includes a fixed head 1, a connecting rod 2 and a milling portion 3, the milling portion 3 is connected to the fixed head 1 through the connecting rod 2, the milling portion 3 is detachably connected to the connecting rod 2, the connecting rod 2 includes a fixed shaft 21, a filling liquid 22 and a plurality of rotary vibration absorbers 23, a cylindrical cavity 24 is formed at a lower end of the connecting rod 2, the plurality of rotary vibration absorbers 23 are sleeved on the fixed shaft 21, the fixed shaft 21 is disposed in the cylindrical cavity 24, an upper end of the fixed shaft 21 is connected to an upper wall 241 of the cylindrical cavity 24, an injection hole (not shown) for injecting the filling liquid is further formed in the upper wall 241, a lower end of the fixed shaft 21 is connected to a lower wall 242 of the cylindrical cavity 24, a spiral airflow channel 211 is arranged in the fixed shaft 21, the direction of the spiral airflow channel 211 is opposite to the rotation direction of the milling part 3, an air inlet channel 11 communicated with the spiral airflow channel 211 is arranged in the fixed head 1, the air inlet channel 11 is connected with a high-pressure air source (not shown), an air outlet channel 31 communicated with the spiral airflow channel 211 is arranged in the milling part 3, the air outlet channel 31 is connected with an air outlet hole 32, the air outlet hole 32 is arranged at the bottom of the milling part 3, and the cylindrical cavity 24 is filled with filling liquid 22. High-pressure gas enters the spiral gas flow channel 211 through the gas inlet channel 11, then spiral gas is formed in the spiral gas flow channel 211, the formed spiral gas passes through the gas outlet channel 31 and is sprayed out through the gas outlet 32, cutting chips generated during workpiece processing can be blown, and the discharge efficiency of the cutting chips is improved; in addition, the milling cutter for the numerical control machine tool generates vibration in the milling process, and transmits the vibration to the rotary vibration absorber 23, so that the rotary vibration absorber 23 performs rotary motion or swinging motion around the fixed shaft 21, and the vibration energy is converted into the kinetic energy of the rotary vibration absorber 23 and absorbed by the filling liquid in the cylindrical cavity, thereby achieving the purpose of vibration absorption; in addition, the direction of the spiral airflow channel 211 is opposite to the rotating direction of the milling part 3, so that partial vibration generated in the rotating process of the milling cutter for the numerical control machine tool can be offset, and the vibration reduction effect is further improved.
Referring to fig. 1, in the above embodiment, the rotary vibration absorber 23 includes a rotating sleeve 231 rotatably connected to the fixed shaft 21 and a plurality of fan-shaped buffer plates 232 connected to the rotating sleeve 231, and the fan-shaped buffer plates 232 are uniformly connected to the outer circumferential surface of the rotating sleeve 231. Indeed, in other embodiments, the fan-shaped buffer plate 232 may be replaced by a rectangular or other shape, but the other shape is too resistant to the filling liquid 22 and is easily damaged by the shearing force, so the fan-shaped buffer plate 232 can improve the stability of the buffer.
Referring to fig. 1, in the above embodiment, the milling portion 3 includes a connecting portion 32, a tool fixing portion 33 connected to the connecting portion 32, and a blade 34 detachably connected to the tool fixing portion 33, the connecting portion 32 is detachably connected to the connecting rod 2, the air outlet channel 31 penetrates through the connecting portion 32, and the tool fixing portion 33 is sleeved on the connecting portion 32. The insert 34 is detachably attached to the tool fixing portion 33, so that the insert 34 can be easily replaced according to the specifications of the workpiece to be machined.
Referring to fig. 1, in the above embodiment, the lower end of the spiral gas flow channel 211 has a first V-shaped interface 2111 below the open slot, the upper end of the gas outlet channel 31 extends outward to have a second V-shaped interface 311 matching with the first V-shaped interface 2111, the first V-shaped interface 2111 and the second V-shaped interface 311 are in interference fit, and the second V-shaped interface 311 is welded on the connecting portion 2. Through the setting of interconnect's first V-arrangement interface 2111 and second V-arrangement interface 311, can improve the leakproofness that spiral airflow channel 211 and air outlet channel 31 are connected, avoid leading to milling cutter for the digit control machine tool to lose balance because of gas leakage, improve the stability and the reliability of milling cutter for the digit control machine tool work.
Referring to fig. 1 and 2, in the above embodiment, the cutter fixing portion 33 is a ring structure, the bottom of the cutter fixing portion 33 is provided with a plurality of positioning slots 331 in a ring array, the blade 34 is provided with the insertion block 341 matching the shape of the positioning slots 331, the positioning slots 331 are internally provided with the first threaded holes 3311, the insertion block 341 is provided with the second threaded holes 3411, the insertion block 341 is connected in the positioning slots 331 by bolts (not shown), and the bolts pass through the first threaded holes 3311 and the second threaded holes 3411.
Referring to fig. 1, in the above embodiment, the number of the rotary vibration absorbers 23 is at least 3, and the distances between two adjacent rotary vibration absorbers 23 are the same. It is true that in other embodiments, the number of the rotary vibration absorbers 23 may be set to 1 or 2, only the vibration damping effect may be weakened,
referring to fig. 1, in the above embodiment, the filling liquid 22 is methyl silicone oil. It goes without saying that other buffer liquids may be used for the filling liquid 22 in other embodiments, which are not specifically limited herein.
Referring to fig. 2, in the above embodiment, in order to adjust the protruding length of the blade 34 to meet the processing requirements of the workpiece, the positioning groove 331 has a rectangular shape, the number of the first threaded holes 3311 in the positioning groove 331 is at least 3, and the plug block 341 is screwed into the different first threaded holes 3311 through the second threaded holes 3411 and the bolts to adjust the protruding length of the blade 34.
Referring to fig. 1, in the above embodiment, the outer circumferential surface of the tool fixing portion 33 is provided with a plurality of flutes (not shown). The chip groove is arranged, so that cutting chips generated when the milling cutter for the numerical control machine tool is used for machining a workpiece can be discharged, and the cutting stability is improved. The chip grooves are common technologies in the related field, so that the chip grooves are not limited and only need to be selected according to actual needs.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. The milling cutter for the numerical control machine tool is characterized by comprising a fixed head, a connecting rod and a milling part, wherein the milling part is connected to the fixed head through the connecting rod, the milling part is detachably connected with the connecting rod, the connecting rod comprises a fixed shaft, filling liquid and a plurality of rotary vibration absorbers, a cylindrical cavity is processed at the lower end of the connecting rod, the rotary vibration absorbers are sleeved on the fixed shaft, the fixed shaft is arranged in the cylindrical cavity, the upper end of the fixed shaft is connected to the upper wall of the cylindrical cavity, a liquid injection hole for injecting the filling liquid is further formed in the upper wall, the lower end of the fixed shaft is connected to the lower wall of the cylindrical cavity, a spiral air flow channel is formed in the fixed shaft, the direction of the spiral air flow channel is opposite to the rotation direction of the milling part, the fixed head is internally provided with an air inlet channel communicated with the spiral airflow channel, the air inlet channel is connected with a high-pressure air source, the milling part is internally provided with an air outlet channel communicated with the spiral airflow channel, the air outlet channel is connected with an air outlet hole, the air outlet hole is formed in the bottom of the milling part, and the cylindrical cavity is filled with filling liquid.
2. The milling cutter according to claim 1, wherein the rotary vibration absorber includes a rotating sleeve rotatably coupled to the fixed shaft and a plurality of fan-shaped buffer plates coupled to the rotating sleeve, the fan-shaped buffer plates being uniformly coupled to an outer circumferential surface of the rotating sleeve.
3. The milling cutter according to claim 1, wherein the milling portion comprises a connecting portion, a cutter fixing portion connected to the connecting portion, and a blade detachably connected to the cutter fixing portion, the connecting portion is detachably connected to the connecting rod, the gas outlet channel penetrates through the connecting portion, and the cutter fixing portion is sleeved on the connecting portion.
4. The milling cutter according to claim 3, wherein the lower end of the spiral gas flow channel is provided with a first V-shaped interface below an open slot, the upper end of the gas outlet channel extends outwards to form a second V-shaped interface matched with the first V-shaped interface, the first V-shaped interface and the second V-shaped interface are in interference fit, and the second V-shaped interface is welded on the connecting part.
5. The milling cutter according to claim 3, wherein the cutter fixing portion is a ring-shaped structure, a plurality of positioning grooves are formed in a bottom of the cutter fixing portion in a ring-shaped array, the cutting insert has a plug-in block matching the shape of the positioning grooves, a first threaded hole is formed in the positioning groove, a second threaded hole is formed in the plug-in block, the plug-in block is connected to the positioning groove by a bolt, and the bolt passes through the first threaded hole and the second threaded hole.
6. The milling cutter according to claim 1, wherein the number of the rotary vibration absorbers is at least 3, and the distance between two adjacent rotary vibration absorbers is uniform.
7. The milling cutter for numerical control machine tools according to claim 1, wherein the filling liquid is methyl silicone oil.
8. The milling cutter according to claim 5, wherein the positioning groove has a rectangular shape, the number of the first threads in the positioning groove is at least 3, and the insert block is connected to different first threaded holes through the second threaded holes and the bolts to adjust the extension length of the insert.
9. The milling cutter according to claim 5, wherein the plurality of flutes are formed on the outer circumferential surface of the cutter fixing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226614.2U CN212042839U (en) | 2020-02-28 | 2020-02-28 | Milling cutter for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226614.2U CN212042839U (en) | 2020-02-28 | 2020-02-28 | Milling cutter for numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212042839U true CN212042839U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020226614.2U Expired - Fee Related CN212042839U (en) | 2020-02-28 | 2020-02-28 | Milling cutter for numerical control machine tool |
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| Country | Link |
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| CN (1) | CN212042839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111283254A (en) * | 2020-02-28 | 2020-06-16 | 昆山宏泰博数控刀具有限公司 | Milling cutter for numerical control machine tool and use method thereof |
-
2020
- 2020-02-28 CN CN202020226614.2U patent/CN212042839U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111283254A (en) * | 2020-02-28 | 2020-06-16 | 昆山宏泰博数控刀具有限公司 | Milling cutter for numerical control machine tool and use method thereof |
| CN111283254B (en) * | 2020-02-28 | 2024-08-13 | 昆山宏泰博数控刀具有限公司 | Milling cutter for numerical control machine tool and using method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |