CN114833596A - Ultrasonic main shaft - Google Patents
Ultrasonic main shaft Download PDFInfo
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- CN114833596A CN114833596A CN202210463795.4A CN202210463795A CN114833596A CN 114833596 A CN114833596 A CN 114833596A CN 202210463795 A CN202210463795 A CN 202210463795A CN 114833596 A CN114833596 A CN 114833596A
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- 210000001503 joint Anatomy 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000003860 storage Methods 0.000 claims description 22
- 238000003032 molecular docking Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000001174 ascending effect Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000110 cooling liquid Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 238000001125 extrusion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1015—Arrangements for cooling or lubricating tools or work by supplying a cutting liquid through the spindle
- B23Q11/1023—Tool holders, or tools in general specially adapted for receiving the cutting liquid from the spindle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses an ultrasonic main shaft which comprises a rotating assembly, a vibrator and a flexible connecting pipeline, wherein a butt joint groove and a first flow channel are formed on the rotating assembly, and the first flow channel is connected with the butt joint groove; the vibrator is arranged on the rotating assembly and is positioned at the opening of the butt joint groove; a second flow channel is arranged in the vibrator; the flexible connecting pipeline is used for flexibly connecting the rotating assembly and the vibrator; and one end of the flexible connecting pipeline is communicated with the first flow channel, and the other end of the flexible connecting pipeline is communicated with the second flow channel to form a liquid outlet passage. This application reduces the transmission along the ascending ultrasonic energy of the axial direction of ultrasonic wave main shaft through setting up flexible connection pipeline, reduces the supersound loss, increase of service life improves the stability of ultrasonic wave main shaft in the use.
Description
Technical Field
The invention relates to the technical field of mechanical precision machining, in particular to an ultrasonic spindle.
Background
At present, with the continuous progress of the technology in the field of mechanical processing, the requirement on the fineness of workpiece processing is higher and higher, and the development of the ultrasonic processing technology is accelerated gradually. Ultrasonic machining, that is, machining on the surface of a workpiece by means of ultrasonic vibration, generally includes an ultrasonic spindle and a tool disposed at the front end of the ultrasonic spindle, and transmits ultrasonic energy to the tool by vibration of a vibrator in the ultrasonic spindle, so that the tool vibrates to perform machining operation. The existing ultrasonic spindle comprises a shell and parts such as a shaft core and a vibrator in the shell, wherein the shaft core is connected with the vibrator, the vibrator is simultaneously connected with a cutter, and ultrasonic vibration energy is transmitted to the cutter.
However, the ultrasonic energy on the conventional ultrasonic main shaft is also transmitted to the tail of the shaft along the axial direction of the ultrasonic main shaft due to the rigid connection between the parts, which causes unnecessary ultrasonic loss on the main shaft, reduces the ultrasonic energy transmission efficiency, reduces the assembly precision of the parts on the ultrasonic main shaft, and affects the stability in the use process.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention is directed to an ultrasonic spindle, which aims to solve the problem that ultrasonic energy is reversely transmitted on the conventional ultrasonic spindle and affects the stability during use.
The technical scheme of the invention is as follows:
an ultrasonic spindle comprises a rotating assembly, a vibrator and a flexible connecting pipeline, wherein a butt joint groove and a first flow channel are formed on the rotating assembly, and the first flow channel is connected with the butt joint groove; the vibrator is arranged on the rotating assembly and is positioned at the opening of the butt joint groove; a second flow channel is arranged in the vibrator; the flexible connecting pipeline is used for flexibly connecting the rotating assembly and the vibrator; and one end of the flexible connecting pipeline is communicated with the first flow channel, and the other end of the flexible connecting pipeline is communicated with the second flow channel to form a liquid outlet passage.
The butt joint groove comprises a liquid storage cavity, an oil seal cavity and a butt joint cavity which are sequentially communicated along the axial direction of the rotating assembly; the first flow passage is communicated with the liquid storage cavity; the flexible connecting pipeline comprises an oil seal assembly and a flexible butt joint assembly, and the oil seal assembly is arranged in the oil seal cavity and used for sealing the liquid storage cavity; the flexible butt joint assembly is arranged in the butt joint cavity, one end of the flexible butt joint assembly is in butt joint with the oil seal assembly, and the other end of the flexible butt joint assembly is in butt joint with the vibrator.
The ultrasonic spindle is characterized in that the oil seal assembly comprises a first oil seal ring, a first oil seal terminal and an oil seal joint, the first oil seal ring and the first oil seal terminal are nested on the oil seal joint, and the oil seal joint is in butt joint with the flexible butt joint assembly; the first oil seal is annularly arranged in the oil seal cavity and used for sealing the liquid storage cavity; the first oil seal terminal is installed in the oil seal cavity and used for fixing the first oil seal ring.
The ultrasonic spindle, wherein, the oil blanket subassembly still includes to be fixed the oil blanket cover in the oil blanket intracavity, the oil blanket cover with first oil blanket terminal spiro union, and, first oil blanket ring nestification is sheathe in at the oil blanket.
The ultrasonic spindle is characterized in that the flexible butt joint assembly comprises a first joint, a first flexible pipe and a second joint, one end of the first joint is connected with the oil seal joint, and the other end of the first joint is connected with the first flexible pipe; the end of the first flexible pipe far away from the first joint is connected with the second joint; the second joint is connected with the oscillator; a first channel is formed in the oil seal joint; the liquid outlet device comprises a first connector, a second connector, a first flow passage, a liquid storage cavity, a first channel, a second channel, a first flexible pipe, a third channel and a second flow passage, wherein the first connector is internally provided with a second channel, the second connector is internally provided with a third channel, and the first flow passage, the liquid storage cavity, the first channel, the second channel, the first flexible pipe, the third channel and the second flow passage are sequentially communicated to form a liquid outlet passage for discharging liquid.
The ultrasonic main shaft is characterized in that the first flexible pipe is at least one of a rubber flexible pipe, a plastic flexible pipe, a nylon flexible pipe and a fiber flexible pipe.
The ultrasonic spindle is characterized in that the first joint and the oil seal assembly are detachably mounted; and/or the second joint and the vibrator are detachably arranged.
The ultrasonic main shaft, wherein the rotating component comprises one or more of a conventional shaft core, a rotary joint connecting rod and a rotary joint rotating rod.
The ultrasonic spindle, wherein the rotating assembly comprises a first core; the butt joint groove comprises a first pipeline accommodating cavity and a first oil seal accommodating cavity, and the first pipeline accommodating cavity and the first oil seal accommodating cavity are both arranged in the vibrator; the flexible connection pipeline includes second oil blanket terminal, second oil blanket ring, second flexible tube and third joint, the third joint with the primary shaft core is connected, the second flexible tube with third articulate, the second flexible tube with second oil blanket ring is located respectively first pipeline hold the chamber with first oil blanket holds the intracavity, second oil blanket terminal is located first oil blanket holds the intracavity, is used for sealing first oil blanket holds the chamber.
The ultrasonic spindle is characterized in that the rotating assembly comprises a second spindle, a central water outlet rotating rod and a central water outlet connecting rod; the butt joint groove comprises a second pipeline accommodating cavity and a second oil seal accommodating cavity, the second pipeline accommodating cavity is arranged in the second shaft core, and the second oil seal accommodating cavity is arranged in the central water outlet connecting rod; the flexible connection pipeline includes fourth joint, third flexible tube and third oil seal ring, the fourth joint with the oscillator is connected, the third flexible tube with fourth articulate, the third flexible tube with third oil seal ring is located respectively the second pipeline hold the chamber with the second oil blanket holds the intracavity, the central water rotary rod that goes out is located the second oil blanket holds the intracavity, is used for sealing the second oil blanket holds the chamber.
Compared with the prior art, the embodiment of the invention has the following advantages:
a flexible connecting pipeline is arranged between a rotating assembly and a vibrator on the ultrasonic spindle, the first flow channel and the second flow channel are connected through the flexible connecting pipeline to form a liquid outlet passage, cooling liquid is led out from the ultrasonic spindle to a machining position of a cutter, the temperature of the machining position is reduced, and high-precision machining can be conveniently and normally performed; meanwhile, because the flexible connecting pipeline is different from a rigid connecting structure, the energy transfer in the axial direction can be reduced, in the using process of the ultrasonic main shaft, the ultrasonic energy on the vibrator is absorbed when passing through the flexible connecting pipeline, and the ultrasonic energy transferred to the rotating component is reduced, so that the vibration loss of the ultrasonic main shaft is reduced, the precision of the structure of the ultrasonic main shaft is prevented from being reduced, the good ultrasonic energy transfer efficiency is maintained, the stability of processing operation is improved, the precision control of processing is improved, and in addition, the service life of the ultrasonic main shaft can be prolonged.
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 described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an exploded view of the structure of the ultrasonic main shaft of the present invention;
FIG. 2 is an axial cross-sectional view of the ultrasonic spindle of the present invention;
FIG. 3 is a partial axial cross-sectional view of the ultrasonic spindle of the present invention;
FIG. 4 is an axial cross-sectional view of an ultrasonic spindle according to another embodiment of the present invention;
FIG. 5 is an axial cross-sectional view of an ultrasonic spindle in another embodiment of the invention.
100, rotating components; 110. a butt joint groove; 111. a liquid storage cavity; 112. an oil seal cavity; 113. a docking chamber; 114. a first conduit accommodating chamber; 115. a first oil seal accommodating chamber; 116. a second conduit accommodating chamber; 117. a second oil seal accommodating chamber; 120. a first flow passage; 130 a first core; 140. a second shaft core; 150. a central water outlet rotating rod; 160. a central water outlet connecting rod; 200. a vibrator; 210. a second flow passage; 300. a flexible connecting pipeline; 310. an oil seal assembly; 311. a first oil seal ring; 312. a first oil seal terminal; 313. an oil seal joint; 3131. a first channel; 314. an oil seal cover; 320. a flexible docking assembly; 321. a first joint; 3211. a second channel; 322. a first flexible tube; 323. a second joint; 3231. a third channel; 330. a second oil seal terminal; 340. a second oil seal ring; 350. a second flexible tube; 360. a third joint; 370. a fourth joint; 380. a third flexible tube; 390. and a third oil seal ring.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Referring to fig. 1 and 2, in an embodiment of the present application, an ultrasonic spindle is disclosed, which includes a rotating component 100, a vibrator 200, and a flexible connecting pipeline 300, wherein a docking slot 110 and a first flow channel 120 are formed on the rotating component 100, and the first flow channel 120 is connected to the docking slot 110; the vibrator 200 is mounted on the rotating assembly 100 and located at the opening of the docking slot 110; a second flow channel 210 is arranged in the vibrator 200; the flexible connecting pipeline 300 is used for flexibly connecting the rotating assembly 100 and the vibrator 200; and, one end of the flexible connecting pipe 300 is communicated with the first flow channel 120, and the other end is communicated with the second flow channel 210, forming a liquid outlet passage.
The rotary component 100 and the vibrator 200 are fixedly connected on the ultrasonic spindle disclosed in the embodiment, the vibrator 200 can be installed on the outlet of the butt joint groove 110, namely the end part of the rotary component 100, in a connection mode such as splicing, screwing, interference fit and the like, meanwhile, a flexible connecting pipeline 300 is arranged in the butt joint groove 110, the flexible connecting pipeline 300 is connected with the first flow channel 120 and the second flow channel 210 to form a liquid outlet passage, cooling liquid is led out from the ultrasonic spindle to the machining position of a cutter, the temperature of a machining position is reduced, and high-precision machining can be conveniently and normally performed; meanwhile, the flexible connecting pipeline 300 is different from a rigid connecting structure, so that energy transfer in the axial direction can be reduced, and in the use process of the ultrasonic spindle, ultrasonic energy on the vibrator 200 is absorbed when passing through the flexible connecting pipeline 300, and the ultrasonic energy transferred to the rotating assembly 100 is reduced, so that the vibration loss of the ultrasonic spindle is reduced, the reduction of the precision of the structure of the ultrasonic spindle is prevented, good ultrasonic energy transfer efficiency is maintained, the stability of processing operation is improved, and the precision control of processing is improved; in addition, the service life of the ultrasonic main shaft can be prolonged.
Specifically, as shown in fig. 2, as another embodiment of this embodiment, it is disclosed that the docking slot 110 includes a liquid storage cavity 111, an oil seal cavity 112, and a docking cavity 113 which are sequentially communicated along the axial direction of the rotating assembly 100; the first flow channel 120 is communicated with the liquid storage cavity 111; the flexible connecting pipeline 300 comprises an oil seal assembly 310 and a flexible butt joint assembly 320, wherein the oil seal assembly 310 is installed in the oil seal cavity 112 and is used for sealing the liquid storage cavity 111; the flexible butt joint component 320 is arranged in the butt joint cavity 113, one end of the flexible butt joint component is in butt joint with the oil seal component 310, and the other end of the flexible butt joint component is in butt joint with the vibrator 200. Because the flexible connecting pipeline 300 is mechanically connected with the vibrator 200 and the rotating assembly 100, an assembly gap cannot be avoided, if the liquid in the first flow channel 120 enters the assembly gap to be easily corroded, leaked and the like, the oil seal assembly 310 is arranged in the oil seal cavity 112 to seal the liquid storage cavity 111, the liquid in the first flow channel 120 cannot further flow into the butt joint cavity 113 after flowing into the liquid storage cavity 111, and therefore protection of the flexible butt joint assembly 320 and the vibrator 200 in the butt joint cavity 113 is increased, meanwhile, cooling liquid flows out from the liquid outlet channel, and side leakage is prevented.
As shown in fig. 1, as another embodiment of the present embodiment, it is disclosed that the oil seal assembly 310 includes a first oil seal ring 311, a first oil seal terminal 312, and an oil seal joint 313, where the first oil seal ring 311 and the first oil seal terminal 312 are nested on the oil seal joint 313, and the oil seal joint 313 is butted with the flexible butting assembly; the first oil seal ring 311 is arranged in the oil seal cavity 112 and is used for sealing the liquid storage cavity 111; the first oil seal terminal 312 is installed in the oil seal cavity 112 for fixing the first oil seal ring 311. The first oil seal ring 311 in this embodiment may be a rubber ring, a plastic ring, a metal ring, or other annular workpiece, and the first oil seal ring 311 is in close contact with the sidewall of the oil seal cavity 112 to block the flow of the liquid in the liquid storage cavity 111, thereby achieving the isolation and sealing effects; the first oil seal terminal 312 can be fixed on the rotating assembly 100, that is, the first oil seal ring 311 is fixed by the connection mode of screwing, interference fit or plugging with the side wall of the oil seal cavity 112, the first oil seal ring 311 is arranged on one side of the first oil seal terminal 312 facing the liquid storage cavity 111, and the first oil seal terminal 312 is restrained to prevent the first oil seal ring 311 from moving along the axial direction of the rotating assembly 100, so that a good sealing effect is maintained; then, a cavity is formed in the middle of the first oil seal terminal 312, the oil seal joint 313 is firstly butted with the flexible butt joint component 320, and when the vibrator 200 is assembled, the oil seal joint and the vibrator 200 are inserted into the cavity of the first oil seal terminal 312.
As shown in fig. 3, as another embodiment of the present embodiment, it is disclosed that the oil seal assembly 310 further includes an oil jacket 314 fixed in the oil seal cavity 112, the oil jacket 314 is screwed with the first oil seal terminal 312, and the first oil seal ring 311 is nested on the oil jacket 314. The oil seal cover 314 is arranged to protect the first oil seal ring 311 and the first oil seal terminal 312, so that friction between the first oil seal ring 311 and the first oil seal terminal 312 and the rotating assembly 100 is reduced, and the service life is prolonged.
Specifically, as another embodiment of this embodiment, disclose the radius of stock solution chamber 111 is less than the radius of oil blanket chamber 112, the radius of setting up oil blanket chamber 112 is bigger, falls into stock solution chamber 111 when can preventing to install first oil blanket ring 311, and the bottom in oil blanket chamber 112 can be installed to first oil blanket ring 311 simultaneously, forms better closed effect to the tip in stock solution chamber 111.
As shown in fig. 1, as another embodiment of this embodiment, it is disclosed that the flexible docking assembly 320 includes a first joint 321, a first flexible pipe 322, and a second joint 323, where one end of the first joint 321 is connected to the oil-sealed joint 313, and the other end is connected to the first flexible pipe 322; the end of the first flexible pipe 322 remote from the first joint 321 is connected to the second joint 323; the second joint 323 is connected to the vibrator 200; wherein, a first passage 3131 is formed in the oil seal joint 313; the first joint 321 is internally provided with a second channel 3211, the second joint 323 is internally provided with a third channel 3231, and the first channel 120, the liquid storage cavity 111, the first channel 3131, the second channel 3211, the first flexible tube 322, the third channel 3231 and the second channel 210 are sequentially communicated to form the liquid outlet passage for discharging liquid. In this embodiment, the first joint 321 and the second joint 323 are arranged at two ends of the first flexible pipe 322 for fixing to prevent falling off, and the first flexible pipe 322 is arranged as a connection structure, so that ultrasonic energy along the axial direction of the ultrasonic main shaft is buffered and absorbed by the flexibility of the first flexible pipe 322, and thereby the ultrasonic energy loss of the ultrasonic main shaft can be reduced; meanwhile, the first flexible pipe 322 is a hollow structure, and two ends of the first flexible pipe are respectively communicated with the second channel 3211 in the first joint 321 and the third channel 3231 in the second joint 323, so that the liquid outlet function of the ultrasonic main shaft is not affected.
Specifically, as another embodiment of this embodiment, it is disclosed that a sleeve is disposed on the first joint 321, a thread is formed on a surface of the sleeve, and the first flexible pipe 322 is nested on the sleeve. Through setting up the first flexible pipe 322 of muffjoint, screw thread extrusion contact on first flexible pipe 322 inner wall and the sleeve to form the connection that the gas tightness is good, prevent out liquid in-process weeping, and the screw thread has increased the frictional force between first flexible pipe 322 and the first joint 321, makes first flexible pipe 322 be connected with first joint 321 and fastens more, and the reduction takes place because ultrasonic vibration and the condition that drops.
It should be noted that the second connector 323 may also be provided with a sleeve and threads thereon, which may be more securely connected to the first flexible tube 322, as described above with respect to the first connector 321.
As shown in fig. 2, as another embodiment of this embodiment, it is disclosed that the reservoir 111, the first passage 3131, the second passage 3211, the first flexible tube 322, the third passage 3231, and the second flow passage 210 are all located on a central axis of the rotating assembly 100. When the ultrasonic spindle works, the rotating assembly 100 and the vibrator 200 of the ultrasonic spindle are driven to synchronously rotate around the central axis, and the liquid outlet channel is arranged on the central axis of the rotating assembly 100, so that the liquid flow in the rotating assembly 100 is reduced, the angular speed of the liquid at the liquid outlet is reduced when the liquid is discharged, the liquid displacement is prevented, the liquid flows to the expected position, a good cooling effect is achieved, and the normal processing is facilitated; the mass distribution of the rotating assembly 100 and the vibrator 200 is uniform, the offset force generated in the rotating process is reduced, and the rotating stability is improved.
Specifically, as another implementation manner of this embodiment, it is disclosed that the first flexible pipe 322 is at least one of a rubber flexible pipe, a plastic flexible pipe, a nylon flexible pipe, and a fiber flexible pipe. In this embodiment, the first flexible pipe is made of a material with higher acoustic impedance, and the first flexible pipe has good flexibility and high bearing capacity, and is not easy to damage when the ultrasonic energy is transmitted to the first flexible pipe, so that the first flexible pipe can be well connected, and long-term effective use is facilitated.
Specifically, as another embodiment of this embodiment, it is disclosed that the first joint 321 is a quick-screwing joint; and/or, the second joint 323 is a quick-twist joint. Can set up the screw thread on the fast twist connector, can connect on oil blanket subassembly 310 or oscillator 200 steadily, make things convenient for the dismouting of first joint 321 and second joint 323 through setting up fast twist connector, the connection effect after the installation is good moreover, and is sealed effectual, reduces liquid side leakage of liquid outlet channel.
Specifically, as another embodiment of the present embodiment, it is disclosed that the first joint 321 is detachably mounted with the oil seal assembly 310; and/or the second joint 323 is detachably mounted to the vibrator 200. As described above, the first joint 321 or the second joint 323 is configured as a quick-screw joint, and can be detachably mounted with the oil seal assembly 310 or the vibrator 200 by screwing, so that the ultrasonic spindle can be conveniently assembled or parts can be conveniently replaced. Of course, in other embodiments of the present embodiment, the first joint 321 and the second joint 323 are not limited to detachable installation in a threaded manner, and may be connected to the oil seal assembly 310 or the vibrator 200 in a magnetic attraction connection or a snap connection, or the like.
Specifically, as another embodiment of this embodiment, it is disclosed that the radius of the oil seal cavity 112 is smaller than the radius of the docking cavity 113. Set up the radius of butt joint chamber 113 bigger, conveniently from the opening part installation oil blanket subassembly 310 of butt joint groove 110 to in the oil blanket chamber 112, reserve great space for the flexible butt joint subassembly 320 in the butt joint chamber 113 in addition, when receiving ultrasonic energy influence on the flexible butt joint subassembly 320, have enough space to vibrate, and can not influence rotating assembly 100, reduce the reverse transmission of ultrasonic energy on the rotating assembly 100, improve the stability of ultrasonic main shaft.
Specifically, as another embodiment of the present embodiment, it is disclosed that the rotation assembly 100 is screwed with the vibrator 200. The oscillator 200 is inserted from the opening of the butt joint groove 110 and fixed at the end of the rotating assembly 100, rotates synchronously with the rotating assembly 100, can punch holes at the connecting position of the oscillator 200 and the rotating assembly 100, and is connected with the oscillator 200 and the rotating assembly 100 through screws to form stable connection, so that the oscillator 200 is prevented from falling off in ultrasonic processing. Of course, the connection can be made by welding, plugging and the like.
Specifically, as another embodiment of the present embodiment, it is disclosed that the rotating assembly 100 includes one or more of a conventional shaft core, a rotary joint link, and a rotary joint rotating rod.
As shown in fig. 4, as another embodiment of the present embodiment, it is disclosed that the rotating assembly 100 includes a first core 130; the docking slot 110 includes a first pipeline accommodating cavity 114 and a first oil seal accommodating cavity 115, and both the first pipeline accommodating cavity 114 and the first oil seal accommodating cavity 115 are disposed in the vibrator 200; flexible connection pipeline 300 includes second oil blanket terminal 330, second oil blanket ring 340, second flexible tube 350 and third joint 360, the third joint 360 with first axle core 130 is connected, second flexible tube 350 with the third connects 360 and connects, second flexible tube 350 with second oil blanket ring 340 is located respectively first pipeline holds the chamber 114 with in the first oil blanket holds the chamber 115, second oil blanket terminal 330 is located in the first oil blanket holds the chamber 115, is used for sealing first oil blanket holds the chamber 115. According to the ultrasonic spindle disclosed by the embodiment, the vibrator 200 extends into the butt joint groove 110 of the rotating assembly 100, the transducer, the metal sheet and the locking nut are nested on the vibrator 200, the metal sheet and the transducer are pre-tightened by the locking nut, then a power line is led out from a preset pipeline of the rotating assembly 100 and is in lap joint with the metal sheet, so that the transducer is conducted, in the working process, in order to prevent liquid at the front end from flowing back, the second oil seal terminal 330 and the second oil seal ring 340 are arranged on one side, facing the second flow passage 210, of the second flexible pipe 350, the first oil seal accommodating cavity 115 is sealed, an air-tight space is formed, so that liquid in the working process is prevented from flowing into a cavity for installing the transducer, the transducer is prevented from contacting the liquid, the problem of working faults is reduced, and the use safety of the ultrasonic spindle is improved.
As shown in fig. 5, as another embodiment of this embodiment, it is disclosed that the rotating assembly 100 includes a second shaft core 140, a central water outlet rotating rod 150, and a central water outlet connecting rod 160, which are sequentially and fixedly connected, the butt joint groove 110 includes a second pipeline accommodating cavity 116 and a second oil seal accommodating cavity 117, the second pipeline accommodating cavity 116 is disposed in the second shaft core 140, and the second oil seal accommodating cavity 117 is disposed in the central water outlet connecting rod 160; flexible connecting line 300 includes fourth joint 370, third flexible pipe 380 and third oil blanket ring 390, fourth joint 370 with the oscillator 200 is connected, third flexible pipe 380 with fourth joint 370 is connected, third flexible pipe 380 with third oil blanket ring 390 is located respectively the second pipeline hold the chamber 116 with in the second oil blanket holds the chamber 117, the rotatory pole 150 of central play water is located in the second oil blanket holds the chamber 117, is used for sealing the second oil blanket holds the chamber 117.
In summary, the present application discloses an ultrasonic spindle, which includes a rotating component 100, a vibrator 200, and a flexible connecting pipeline 300, wherein a butt-joint groove 110 and a first flow channel 120 are formed on the rotating component 100, and the first flow channel 120 is connected to the butt-joint groove 110; the vibrator 200 is mounted on the rotating assembly 100 and located at the opening of the docking slot 110; a second flow channel 210 is arranged in the vibrator 200; the flexible connecting pipeline 300 is used for flexibly connecting the rotating assembly 100 and the vibrator 200; and, one end of the flexible connecting pipe 300 is communicated with the first flow channel 120, and the other end is communicated with the second flow channel 210, forming a liquid outlet passage. The rotary component 100 and the vibrator 200 are fixedly connected on the ultrasonic spindle disclosed in the embodiment, the vibrator 200 can be installed on the outlet of the butt joint groove 110, namely the end part of the rotary component 100, in a connection mode such as splicing, screwing, interference fit and the like, meanwhile, a flexible connecting pipeline 300 is arranged in the butt joint groove 110, the flexible connecting pipeline 300 is connected with the first flow channel 120 and the second flow channel 210 to form a liquid outlet passage, cooling liquid is led out from the ultrasonic spindle to the machining position of a cutter, the temperature of a machining position is reduced, and high-precision machining can be conveniently and normally performed; meanwhile, because the flexible connecting pipeline 300 is different from a rigid connecting structure, energy transfer in the axial direction can be reduced, so that in the use process of the ultrasonic main shaft, ultrasonic energy on the vibrator 200 is absorbed when passing through the flexible connecting pipeline 300, and the ultrasonic energy transferred to the rotating assembly 100 is reduced, thereby reducing the vibration loss of the ultrasonic main shaft, preventing the reduction of the precision of the structure of the ultrasonic main shaft, maintaining good ultrasonic energy transfer efficiency, improving the stability of processing operation and improving the precision control of processing; in addition, the service life of the ultrasonic main shaft can be prolonged.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the present invention takes the ultrasonic spindle as an example to describe the specific structure and the operation principle of the present invention, but the application of the present invention is not limited to the ultrasonic spindle, and the present invention can also be applied to the production and use of other similar workpieces.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An ultrasonic spindle, comprising:
the rotating assembly is provided with a butt joint groove and a first flow channel, and the first flow channel is connected with the butt joint groove;
the vibrator is arranged on the rotating assembly and is positioned at the opening of the butt joint groove; a second flow channel is arranged in the vibrator; and
the flexible connecting pipeline is used for flexibly connecting the rotating assembly and the vibrator; and one end of the flexible connecting pipeline is communicated with the first flow channel, and the other end of the flexible connecting pipeline is communicated with the second flow channel to form a liquid outlet passage.
2. The ultrasonic spindle of claim 1, wherein the docking slot comprises a fluid storage cavity, an oil seal cavity and a docking cavity which are sequentially communicated along the axial direction of the rotating assembly; the first flow passage is communicated with the liquid storage cavity;
the flexible connecting pipeline comprises an oil seal assembly and a flexible butt joint assembly, and the oil seal assembly is arranged in the oil seal cavity and used for sealing the liquid storage cavity; the flexible butt joint assembly is arranged in the butt joint cavity, one end of the flexible butt joint assembly is in butt joint with the oil seal assembly, and the other end of the flexible butt joint assembly is in butt joint with the vibrator.
3. The ultrasonic spindle of claim 2, wherein the oil seal assembly comprises a first oil seal ring, a first oil seal terminal, and an oil seal joint, the first oil seal ring and the first oil seal terminal are nested on the oil seal joint, and the oil seal joint is butted with the flexible butt joint assembly; the first oil seal is annularly arranged in the oil seal cavity and used for sealing the liquid storage cavity; the first oil seal terminal is installed in the oil seal cavity and used for fixing the first oil seal ring.
4. The ultrasonic spindle of claim 3, wherein the oil seal assembly further comprises an oil seal sleeve fixed within the oil seal cavity, the oil seal sleeve is threadably engaged with the first oil seal terminal, and the first oil seal ring is nested on the oil seal sleeve.
5. The ultrasonic spindle of claim 3, wherein the flexible docking assembly comprises a first connector, a first flexible tube, and a second connector, wherein one end of the first connector is connected to the oil seal connector, and the other end of the first connector is connected to the first flexible tube; the end of the first flexible pipe far away from the first joint is connected with the second joint; the second joint is connected with the oscillator;
wherein a first channel is formed in the oil seal joint; the liquid outlet device comprises a first connector, a second connector, a first flow passage, a liquid storage cavity, a first channel, a second channel, a first flexible pipe, a third channel and a second flow passage, wherein the first connector is internally provided with a second channel, the second connector is internally provided with a third channel, and the first flow passage, the liquid storage cavity, the first channel, the second channel, the first flexible pipe, the third channel and the second flow passage are sequentially communicated to form a liquid outlet passage for discharging liquid.
6. An ultrasonic spindle according to claim 5 in which the first flexible tube is at least one of a rubber flexible tube, a plastic flexible tube, a nylon flexible tube, a fibre flexible tube.
7. The ultrasonic spindle of claim 5, wherein the first connector is removably mounted with the oil seal assembly; and/or the second joint and the vibrator are detachably arranged.
8. An ultrasonic spindle according to any one of claims 1 to 7 in which the rotary assembly comprises one or more of a conventional spindle core, a rotary joint link, a rotary joint turn bar.
9. An ultrasonic spindle according to claim 1 in which the rotary component comprises a first core; the butt joint groove comprises a first pipeline accommodating cavity and a first oil seal accommodating cavity, and the first pipeline accommodating cavity and the first oil seal accommodating cavity are both arranged in the vibrator; the flexible connection pipeline includes second oil blanket terminal, second oil blanket ring, second flexible tube and third joint, the third joint with the primary shaft core is connected, the second flexible tube with third articulate, the second flexible tube with second oil blanket ring is located respectively first pipeline hold the chamber with first oil blanket holds the intracavity, second oil blanket terminal is located first oil blanket holds the intracavity, is used for sealing first oil blanket holds the chamber.
10. An ultrasonic spindle according to claim 1 in which the rotary assembly comprises a second spindle, a central water-outlet rotary rod and a central water-outlet link; the butt joint groove comprises a second pipeline accommodating cavity and a second oil seal accommodating cavity, the second pipeline accommodating cavity is arranged in the second shaft core, and the second oil seal accommodating cavity is arranged in the central water outlet connecting rod;
the flexible connection pipeline includes fourth joint, third flexible tube and third oil seal ring, the fourth joint with the oscillator is connected, the third flexible tube with fourth articulate, the third flexible tube with third oil seal ring is located respectively the second pipeline hold the chamber with the second oil blanket holds the intracavity, the central water rotary rod that goes out is located the second oil blanket holds the intracavity, is used for sealing the second oil blanket holds the chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210463795.4A CN114833596A (en) | 2022-04-28 | 2022-04-28 | Ultrasonic main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210463795.4A CN114833596A (en) | 2022-04-28 | 2022-04-28 | Ultrasonic main shaft |
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| CN114833596A true CN114833596A (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210463795.4A Pending CN114833596A (en) | 2022-04-28 | 2022-04-28 | Ultrasonic main shaft |
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Application publication date: 20220802 |