CN213857082U - Ultrasonic machining equipment and ultrasonic main shaft thereof - Google Patents
Ultrasonic machining equipment and ultrasonic main shaft thereof Download PDFInfo
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- CN213857082U CN213857082U CN202022289391.7U CN202022289391U CN213857082U CN 213857082 U CN213857082 U CN 213857082U CN 202022289391 U CN202022289391 U CN 202022289391U CN 213857082 U CN213857082 U CN 213857082U
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Abstract
The utility model discloses an ultrasonic wave main shaft, its main shaft casing have first air flue, are equipped with the air cavity between the inboard of front end housing and the outside of rotation axis, and the front end housing has the second air flue of first air flue of intercommunication and air cavity, are equipped with first clearance between the outside of the handle of a knife body of ultrasonic wave handle of a knife and the inboard of launcher, are equipped with the second clearance between ultrasonic wave wireless receiving device and the ultrasonic wave wireless transmitting device. Based on the structure, the gas introduced into the first air passage is blown to the ultrasonic wireless receiving device through the second air passage, the air cavity and the first gap and then blown out from the second gap, so that dust, impurities or liquid on the ultrasonic wireless receiving device is blown away, the cleanness of the second gap is kept, and the wireless power transmission between the ultrasonic wireless transmitting device and the ultrasonic wireless receiving device is not influenced. Additionally, the utility model also provides an ultrasonic machining equipment of having adopted above-mentioned ultrasonic wave main shaft.
Description
Technical Field
The utility model relates to an ultrasonic machining technical field especially relates to an ultrasonic machining equipment and ultrasonic wave main shaft thereof.
Background
The introduction of a high-frequency vibration machining mechanism during machining operation not only improves the surface roughness of the machined surface and improves machining accuracy, but also reduces cutting resistance and increases the life of the tool, and thus the high-frequency vibration machining mechanism is widely used. One application is the ultrasonic main shaft.
The existing ultrasonic spindle includes a fixed member, a rotating member, a bearing assembly, and an ultrasonic transmission device. The fixing part comprises a main shaft shell, a front end cover and other related parts. The rotating component comprises a rotating shaft and other related components. The ultrasonic transmission device can be an ultrasonic wireless transmitting device or an ultrasonic wired transmission device.
Because the rotation axis of ultrasonic main shaft need take place relative rotation with main shaft housing, consequently be equipped with the clearance between rotation axis and the main shaft housing, again because the high-speed rotation of rotation axis can produce the negative pressure in the clearance to inhale impurity such as dust, smear metal granule, steam easily, can increase the rotating resistance of rotation axis after the impurity accumulates for a long time, reduce its stability, and the heat dissipation of the rotation axis of being not convenient for, lead to the life reduction of main shaft. In addition, since there is a gap between the ultrasonic wireless transmitter and the ultrasonic wireless receiver, the chips and dust generated during the processing process can be accumulated on the upper surface of the ultrasonic wireless receiver, which can affect the heat dissipation effect and the wireless transmission efficiency of the ultrasonic wireless receiver over time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dustproof and waterproof effect is good, stable performance, long service life and can guarantee radiating effect and wireless transmission efficiency's ultrasonic machining equipment and ultrasonic wave main shaft thereof.
In order to achieve the above object, the present invention provides an ultrasonic main shaft, which includes:
a spindle housing having a first air passage;
the rotating shaft is rotatably arranged in the main shaft shell in a penetrating mode, and a mounting hole for mounting the ultrasonic knife handle is formed in the front end face of the rotating shaft;
the front end cover is arranged at the front end of the main shaft shell and surrounds the rotating shaft, an air cavity is arranged between the inner side of the front end cover and the outer side of the rotating shaft, and the front end cover is provided with a second air passage communicated with the first air passage and the air cavity;
the launcher is directly mounted on the front end face of the front end cover and arranged around the rotating shaft, and a first accommodating groove surrounding the rotating shaft is formed in the front end face of the launcher;
the ultrasonic wireless transmitting device is arranged in the first accommodating groove;
the ultrasonic wireless transmitting device is also used for forming a second gap communicated with the first gap with the ultrasonic wireless receiving device of the ultrasonic knife handle.
In some embodiments of the present application, the first air passage has an inner diameter of 1mm to 6mm, and the second air passage has an inner diameter of 1mm to 6 mm.
In some embodiments of the present application, the first gap has a width of 0.2mm to 5 mm.
In some embodiments of the present application, the ultrasonic spindle further comprises:
a bearing provided between an outer side of the rotating shaft and an inner side of the spindle housing;
the inner compression ring is sleeved on the rotating shaft and compresses the inner ring of the bearing from front to back;
and the outer pressing ring surrounds the periphery of the inner pressing ring and is pressed on the outer ring of the bearing from front to back by the front end cover.
In some embodiments of this application, be equipped with in the air cavity surround in the ring of ventilating of internal compression ring periphery, the ring of ventilating inboard with be equipped with the air gap between the outside of internal compression ring, the ring of ventilating have the intercommunication the second air flue with the air gap's air vent.
In some embodiments of the present application, the air gap has a width of 0.1mm to 1 mm.
In some embodiments of the present application, the vent holes are provided in plurality and uniformly distributed along a circumferential direction of the vent ring.
In some embodiments of the present application, a sealing groove surrounding the rotation axis is provided at a position where the rear end surface of the launcher corresponds to the ventilation ring, and a sealing ring abutting against the ventilation ring is provided in the sealing groove.
In some embodiments of the present application, the outer side wall of the inner compression ring has an annular boss, the annular boss is provided in a plurality of and along the axial distribution of the inner compression ring.
Based on same purpose, the utility model also provides an ultrasonic machining equipment, it includes ultrasonic wave handle of a knife and foretell ultrasonic wave main shaft, the ultrasonic wave handle of a knife includes handle of a knife body, receiving frame and ultrasonic wave wireless receiving device, the rear end of handle of a knife body is inserted and is located in the mounting hole, just the outside of handle of a knife body with be equipped with between the inboard of launching frame with the first clearance that the air cavity is linked together, the receiving frame cover is located on the handle of a knife body, the rear end face of receiving frame seted up with the relative second holding tank that sets up of first holding tank, ultrasonic wave wireless receiving device locates in the second holding tank, just ultrasonic wave wireless receiving device with be equipped with between the ultrasonic wave wireless transmitting device with the second clearance that first clearance is linked together.
The utility model provides an ultrasonic wave main shaft, compared with the prior art, its beneficial effect lies in:
the gas introduced into the first air passage is blown to the ultrasonic wireless receiving device through the second air passage, the air cavity and the first gap, and then blown out from the second gap between the ultrasonic wireless transmitting device and the ultrasonic wireless receiving device, so that dust, impurities or liquid on the ultrasonic wireless receiving device is blown away, the cleanness of the second gap is kept, wireless power transmission between the ultrasonic wireless transmitting device and the ultrasonic wireless receiving device is not influenced, meanwhile, the gas forms positive pressure seal, and the external dust impurities can be prevented from entering the ultrasonic main shaft through the first gap and the second gap; in addition, the gas can cool the ultrasonic wireless receiving device.
Additionally, the utility model also provides an ultrasonic wave processing equipment, because it has adopted foretell ultrasonic wave main shaft, consequently dustproof and waterproof effect is good, stable performance, long service life, radiating effect are good, wireless transmission is efficient.
Drawings
Fig. 1 is a schematic structural view of an ultrasonic processing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic longitudinal sectional view of an ultrasonic processing apparatus according to an embodiment of the present invention;
FIG. 3 is an enlarged view of region I of FIG. 2;
fig. 4 is a schematic structural diagram of a launcher according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a vent ring according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the inner compression ring according to the embodiment of the present invention;
fig. 7 is a schematic structural view of the ultrasonic knife handle according to the embodiment of the present invention.
In the figure: 100. an ultrasonic main shaft; 200. an ultrasonic knife handle; 1. a spindle housing; 101. a housing body; 102. a front bearing seat; 103. a first air passage; 2. a rotating shaft; 3. a front end cover; 301. A second air passage; 4. a launcher; 401. a first accommodating groove; 402. a duct; 403. a sealing groove; 5. an ultrasonic wireless transmitting device; 6. a bearing; 7. an inner compression ring; 701. an annular boss; 8. an outer pressure ring; 9. an air cavity; 10. a venting ring; 1001. a vent hole; 11. a gas passing gap; 12. a knife handle body; 13. a receiving rack; 1301. a second accommodating groove; 14. an ultrasonic wireless receiving device; 15. a first gap; 16. a second gap.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be understood that the terms "first" and "second" are used for descriptive purposes only to distinguish one type of technical feature from another, and are not to be construed as indicating or implying any relative importance, order or quantity of such technical features, i.e., a "first" technical feature may be referred to as a "second" technical feature, a "second" technical feature may also be referred to as a "first" technical feature, and a technical feature defined as "first" or "second" may explicitly or implicitly include one or more such technical features. In addition, unless otherwise specified, "a plurality" means two or more.
It is emphasized that in the description of the present application, unless explicitly stated or limited otherwise, the terms "mounted", "connected" and "abutting" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
It is noted that in the description of the present application, the term "upper" is meant to include "inner", "outer", "upper", lower ", and the like. The terms "front end" and "rear end" refer to the end of the tool that is closer to the workpiece being machined as the "front end" and the end that is further from the workpiece being machined as the "rear end" during use.
Referring to fig. 1 to 4, an embodiment of the present invention provides an ultrasonic spindle 100, which includes a spindle housing 1, a rotating shaft 2, a front end cover 3, a launching rack 4, and an ultrasonic wireless launching device 5; the rotating shaft 2 is rotatably arranged in the main shaft shell 1 in a penetrating way, and the front end surface of the rotating shaft 2 is provided with a mounting hole; the front end cover 3 is arranged at the front end of the main shaft shell 1 and surrounds the rotating shaft 2; the launcher 4 is directly mounted on the front end face of the front end cover 3 and arranged around the rotating shaft 2, and the front end face of the launcher 4 is provided with a first accommodating groove 401 around the rotating shaft 2; the launcher 4 is connected with the front end cover 3 through bolts so as to be convenient to disassemble and assemble; the ultrasonic wireless transmitting device 5 is disposed in the first accommodating groove 401.
Based on the structure, the transmitting frame 4 directly mounted on the front end cover 3 is arranged, the ultrasonic wireless transmitting device 5 can be integrated on the ultrasonic main shaft 100, and the ultrasonic wireless transmitting device 5 is not required to be hung and mounted through an anchor ear, so that the ultrasonic wireless transmitting device 5 is higher in mounting precision and better in stability, further, the electric conduction between the ultrasonic wireless transmitting device 5 and the ultrasonic wireless receiving device 14 is more stable and reliable, and the processing effect of the cutter can be effectively improved; in addition, the launcher 4 can also play a role in dust-proof and water-proof sealing, and meanwhile, the launcher 4 can serve as a decorative cover of the ultrasonic main shaft 100, and the purpose of improving the aesthetic property is achieved by shielding the front end cover 3; since the launcher 4 is directly mounted on the front end face of the front end cover 3, the launcher 4 is less likely to interfere with other structures outside the ultrasonic main shaft 100 than a suspended bracket.
Alternatively, as shown in fig. 2, in the present embodiment, the launcher 4 has a hole 402 communicating with the first receiving groove 401 for passing a power line connected to the transmitting coil; the aperture 402 extends in a radial direction of the launcher 4, although in other embodiments the aperture 402 may extend in a direction inclined with respect to the radial direction of the launcher 4.
Referring to fig. 2 and 3, the ultrasonic spindle 100 provided in the embodiment of the present invention further includes a bearing 6, an inner compression ring 7, and an outer compression ring 8; the bearing 6 is provided between the outside of the rotary shaft 2 and the inside of the spindle housing 1; the inner compression ring 7 is sleeved on the rotating shaft 2 and compresses the inner ring of the bearing 6 from front to back; the outer compression ring 8 surrounds the outer periphery of the inner compression ring 7 and is pressed on the outer ring of the bearing 6 from front to back by the front end cover 3. So, bearing 6 realizes reliable installation, and the dismouting of being convenient for.
Alternatively, as shown in fig. 2 and 3, in this embodiment, the spindle housing 1 has a first air passage 103, an air chamber 9 is provided between the inner side of the front end cover 3 and the outer side of the inner compression ring 7, and the front end cover 3 has a second air passage 301 communicating the first air passage 103 and the air chamber 9. Like this, let in the gas in first air duct 103 and blow out via second air duct 301, air cavity 9, the air current that lasts has formed the malleation and has sealed, can prevent that impurity such as dust, smear metal granule, steam from getting into ultrasonic main shaft 100's inside, improves its stability and reliability, still can strengthen the radiating effect simultaneously, improves ultrasonic main shaft 100's operating mode. Preferably, the inner diameter of the first air passage 103 is 1mm to 6mm, and the inner diameter of the second air passage 301 is 1mm to 6 mm.
Alternatively, as shown in fig. 2, in the present embodiment, the spindle housing 1 includes a housing body 101 and a front bearing 6 seat mounted at the front end of the housing body 101, where the front bearing 6 seat is used for mounting the bearing 6; the rear end surface of the front end cover 3 is attached to the front end surface of the front bearing 6 seat; one end of the first air passage 103 extends to the rear end surface of the spindle case 1, and the other end extends to the front end surface of the front bearing 6 seat.
Alternatively, as shown in fig. 3 and 5, in this embodiment, in order to uniformly and strongly blow the air entering the air cavity 9 toward the rotating shaft 2, a vent ring 10 surrounding the outer periphery of the inner compression ring 7 is provided in the air cavity 9, an air gap 11 is provided between the inner side of the vent ring 10 and the outer side of the inner compression ring 7, the vent ring 10 has vent holes 1001 communicating the second air passage 301 with the air gap 11, and the vent holes 1001 are provided in plurality and uniformly distributed along the circumferential direction of the vent ring 10. Preferably, the air gap 11 has a width of 0.1mm to 1 mm.
Optionally, as shown in fig. 2, in this embodiment, in order to prevent impurities such as dust, cutting particles, and water vapor from entering the inside of the ultrasonic spindle 100 from between the rear end surface of the launcher 4 and the rear end surface of the front end cover 3, and in order to prevent air leakage, a sealing groove 403 surrounding the rotating shaft 2 is formed in a position of the rear end surface of the launcher 4 corresponding to the ventilation ring 10, and a sealing ring abutting against the ventilation ring 10 is disposed in the sealing groove 403.
Alternatively, as shown in fig. 2 and 6, in the present embodiment, in order to prevent impurities such as dust, cutting particles, and water vapor from entering the inside of the ultrasonic spindle 100 through the air passing gap 11, the outer side wall of the inner compression ring 7 has a plurality of annular bosses 701, and the annular bosses 701 are provided and distributed at equal intervals in the axial direction of the inner compression ring 7.
Referring to fig. 1, fig. 2 and fig. 7, an embodiment of the present invention further provides an ultrasonic processing apparatus, which includes an ultrasonic tool handle 200 and the ultrasonic spindle 100; the ultrasonic scalpel handle 200 comprises a scalpel handle body 12, a receiving frame 13 and an ultrasonic wireless receiving device 14; the rear end of the cutter handle body 12 is inserted into the mounting hole, and a first gap 15 communicated with the air cavity 9 is formed between the outer side of the cutter handle body 12 and the inner side of the launching frame 4; the receiving frame 13 is sleeved on the tool shank body 12, and a second accommodating groove 1301 opposite to the first accommodating groove 401 is formed in the rear end face of the receiving frame 13; the ultrasonic wireless receiving device 14 is disposed in the second receiving groove 1301, and a second gap 16 communicating with the second gap 16 is disposed between the ultrasonic wireless receiving device 14 and the ultrasonic wireless transmitting device 5. Preferably, the width of the first gap 15 is 0.2mm to 5 mm.
Based on the structure, the gas introduced into the first air passage 103 is blown to the ultrasonic wireless receiving device 14 through the second air passage 301, the air cavity 9, the air gap 11 and the first gap 15, and then is blown out from the second gap 16 between the ultrasonic wireless transmitting device 5 and the ultrasonic wireless receiving device 14, so that dust impurities or liquid on the upper surface of the ultrasonic wireless receiving device 14 are blown away, the cleanness of the second gap 16 is kept, and the wireless power transmission between the ultrasonic wireless transmitting device 5 and the ultrasonic wireless receiving device 14 is not affected; meanwhile, the continuous air flow forms a positive pressure seal, so that external dust impurities can be prevented from entering the interior of the ultrasonic main shaft 100 from the second gap 16; in addition, the gas can cool the ultrasonic wireless receiving device 14, so that the wireless transmission efficiency is improved, and the service life is prolonged.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. An ultrasonic spindle, comprising:
a spindle housing having a first air passage;
the rotating shaft is rotatably arranged in the main shaft shell in a penetrating mode, and a mounting hole for mounting the ultrasonic knife handle is formed in the front end face of the rotating shaft;
the front end cover is arranged at the front end of the main shaft shell and surrounds the rotating shaft, an air cavity is arranged between the inner side of the front end cover and the outer side of the rotating shaft, and the front end cover is provided with a second air passage communicated with the first air passage and the air cavity;
the launcher is directly mounted on the front end face of the front end cover and arranged around the rotating shaft, and a first accommodating groove surrounding the rotating shaft is formed in the front end face of the launcher;
the ultrasonic wireless transmitting device is arranged in the first accommodating groove;
the inner side of the transmitting frame is also used for forming a first gap communicated with the air cavity with the outer side of the knife handle body of the ultrasonic knife handle, and the ultrasonic wireless transmitting device is also used for forming a second gap communicated with the first gap with the ultrasonic wireless receiving device of the ultrasonic knife handle;
the gas introduced into the first air passage is blown to the ultrasonic wireless receiving device through the second air passage, the air cavity and the first gap and then blown out from the second gap between the ultrasonic wireless transmitting device and the ultrasonic wireless receiving device to blow away dust, impurities or liquid on the ultrasonic wireless receiving device so as to keep the second gap clean and not influence wireless power transmission between the ultrasonic wireless transmitting device and the ultrasonic wireless receiving device, and meanwhile, the gas forms positive pressure sealing, so that external dust impurities can be prevented from entering the inside of the ultrasonic main shaft through the first gap and the second gap; in addition, the gas can cool the ultrasonic wireless receiving device.
2. An ultrasonic spindle according to claim 1, wherein:
the inner diameter of the first air passage is 1 mm-6 mm, and the inner diameter of the second air passage is 1 mm-6 mm.
3. An ultrasonic spindle according to claim 1, wherein:
the width of the first gap is 0.2 mm-5 mm.
4. The ultrasonic spindle of claim 1, further comprising:
a bearing provided between an outer side of the rotating shaft and an inner side of the spindle housing;
the inner compression ring is sleeved on the rotating shaft and compresses the inner ring of the bearing from front to back;
and the outer pressing ring surrounds the periphery of the inner pressing ring and is pressed on the outer ring of the bearing from front to back by the front end cover.
5. An ultrasonic spindle according to claim 4 in which:
the air cavity is internally provided with a ventilation ring surrounding the periphery of the inner compression ring, an air passing gap is arranged between the inner side of the ventilation ring and the outer side of the inner compression ring, and the ventilation ring is provided with an air hole communicated with the second air passage and the air passing gap.
6. An ultrasonic spindle according to claim 5 in which:
the width of the air passing gap is 0.1 mm-1 mm.
7. An ultrasonic spindle according to claim 5 in which:
the vent holes are arranged in a plurality and are uniformly distributed along the circumferential direction of the vent ring.
8. An ultrasonic spindle according to claim 5 in which:
the rear end face of the launcher is provided with a sealing groove surrounding the rotating shaft at a position corresponding to the ventilation ring, and a sealing ring abutted to the ventilation ring is arranged in the sealing groove.
9. An ultrasonic spindle according to claim 4 in which:
the outer side wall of the inner compression ring is provided with an annular boss, and the annular boss is arranged in a plurality of annular bosses and distributed along the axial direction of the inner compression ring.
10. An ultrasonic processing device is characterized by comprising an ultrasonic knife handle and the ultrasonic main shaft of any one of claims 1 to 9, wherein the ultrasonic knife handle comprises a knife handle body, a receiving frame and an ultrasonic wireless receiving device, the rear end of the knife handle body is inserted into the mounting hole, a first gap communicated with the air cavity is arranged between the outer side of the knife handle body and the inner side of the transmitting frame, the receiving frame is sleeved on the knife handle body, a second accommodating groove opposite to the first accommodating groove is formed in the rear end face of the receiving frame, the ultrasonic wireless receiving device is arranged in the second accommodating groove, and a second gap communicated with the first gap is formed between the ultrasonic wireless receiving device and the ultrasonic wireless transmitting device;
the gas introduced into the first air passage is blown to the ultrasonic wireless receiving device through the second air passage, the air cavity and the first gap and then blown out from the second gap between the ultrasonic wireless transmitting device and the ultrasonic wireless receiving device to blow away dust, impurities or liquid on the ultrasonic wireless receiving device so as to keep the second gap clean and not influence wireless power transmission between the ultrasonic wireless transmitting device and the ultrasonic wireless receiving device, meanwhile, the gas forms positive pressure sealing, so that external dust impurities can be prevented from entering the inside of the ultrasonic main shaft through the first gap and the second gap, and in addition, the gas can also cool the ultrasonic wireless receiving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022289391.7U CN213857082U (en) | 2020-10-14 | 2020-10-14 | Ultrasonic machining equipment and ultrasonic main shaft thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022289391.7U CN213857082U (en) | 2020-10-14 | 2020-10-14 | Ultrasonic machining equipment and ultrasonic main shaft thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213857082U true CN213857082U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022289391.7U Active CN213857082U (en) | 2020-10-14 | 2020-10-14 | Ultrasonic machining equipment and ultrasonic main shaft thereof |
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|---|---|
| CN (1) | CN213857082U (en) |
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2020
- 2020-10-14 CN CN202022289391.7U patent/CN213857082U/en active Active
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