CN207642313U - A kind of ultrasonic vibration high-speed electric main shaft - Google Patents

Abstract

The utility model discloses a kind of centers to cool down ultrasonic vibration high-speed electric main shaft, including main shaft shell, shaft core, rotary joint, magnet steel for electric installation, energy converter and cutter, shaft core is articulated in main shaft shell, rotary joint and energy converter are individually fixed in the both ends of shaft core, magnet steel is connect by conductive component with energy converter for electric installation, Cutting tool installation manner is on energy converter, cutter, energy converter, shaft core and rotary joint are hollow structure and are formed through center coolant liquid carrying path, and cooling cycle access is formed in main shaft shell.The utility model can improve the efficiency that cools, and energy converter can be avoided by contacting Carbon dust pollution caused by conduction, help to reduce maintenance cost.

Description

A kind of ultrasonic vibration high-speed electric main shaft

Technical field

The utility model is related to a kind of ultrasonic wave electro spindle technology more particularly to a kind of ultrasonic vibration high-speed electric main shafts.

Background technology

Currently, ultrasonic wave is applied to milling and grinding process as supplementary energy, cutting force can be greatly lowered, it will not The defects of burn, deformation, residual stress occurs, improves feed speed, to improve product quality.Ultrasonic wave processing precision is high, Speed is fast, rapidoprint wide adaptation range, especially suitable for processing hard brittle material or new material, such as sapphire glass, pottery Porcelain, semiconductor, quartz etc..

Ultrasonic vibrating machining technology is considered as being most suitable for one of the method for the hard crisp composite material of processing, in tradition machinery plus Workpiece applies ultrasonic vibration, to obtain better processability on the basis of cutter relative motion on workpiece or cutter in work The processing method of energy.

But existing ultrasonic vibration high-speed electric main shaft has the following defects：

(1) rotating speed of ultrasonic vibration electro spindle is very high, and when operating will produce amount of heat, causes electro spindle Wen Sheng, makes electricity The thermal characteristic and dynamic characteristic of main shaft are deteriorated, to influence the normal work of electro spindle.Therefore certain measure control must be taken The temperature of electro spindle processed keeps its constant in certain value.Generally take forced-oil-cooled mode to electro spindle at present Stator and main shaft bearing are cooled down, i.e., by by the cooling oil of oil cooler forcibly outside motor stator and spindle shaft Outer circulation is held, the heat of main shaft high speed rotation generation is taken away.Although it can realize a degree of cooling effect, constitute multiple Miscellaneous, maintenance cost is high, and cooling effect is less desirable.

(2) machine tool chief axis, spindle motor, ultrasonic transducer, amplitude transformer etc. are combined together, and can realizes ultrasonic wave Well processed effect, there are sizable technical barriers.High-speed rotating ultrasonic transducer must obtain stable high-frequency electrical Source can just make cutter high-frequency vibration, be to contact high-speed rotating copper silver slip ring using static carbon brush, and then conduct high thus Frequency power is to energy converter, and such electrically conducting manner is known as contacting conduction, the disadvantage is that static carbon brush is generated when contacting rotary slip ring Fretting wear must replace carbon brush after a period of time that works, and carbon brush contact is easy unstable, carbon brush fretting wear generation meeting Pollute the carbon dust inside main shaft, thus using when it is highly inconvenient and cause certain maintenance cost.

Utility model content

For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of cooling ultrasonic vibration of center is high Fast electro spindle can improve the efficiency that cools, and energy converter can be avoided by contacting Carbon dust pollution caused by conduction, have Help reduce maintenance cost.

The purpose of this utility model adopts the following technical scheme that realization：

A kind of center cooling ultrasonic vibration high-speed electric main shaft, including main shaft shell, shaft core, rotary joint, magnet steel are for Denso Set, energy converter and cutter, the shaft core are articulated in main shaft shell, the rotary joint and energy converter are individually fixed in shaft core Both ends, the magnet steel are connect by conductive component with energy converter for electric installation, and the Cutting tool installation manner is on energy converter, the knife Tool, energy converter, shaft core and rotary joint are hollow structure and are formed through center coolant liquid carrying path, the main shaft shell Upper formation cooling cycle access.

Further, the main shaft shell is provided with inner cavity, and the conductive component is built in inner cavity, and the shaft core is inserted in On conductive component, the both ends of the main shaft shell are separately installed with connecting seat and dustproof cover, and the connecting seat is socketed on outside main shaft On shell, the dustproof cover is socketed on energy converter, and the energy converter is connect by connecting flange with conductive component, the conduction group It is socketed with top chock and step on part, upper bearing (metal) oil spout spacer, institute are equipped between the top chock and conductive component It states and is equipped with lower bearing oil spout spacer between step and conductive component.

Further, the shaft core includes pull rod, connecting rod, slide cores, pulling claw, handle of a knife component and collet, the connection Bar is inserted on pull rod, and the conductive component is socketed on pull rod, and the slide cores are fixed on pull rod and shifting synchronous with pull rod It is dynamic, the sliding inner cavity for being passed through for slide cores, the pulling claw and slide cores sliding contact, the drawing are offered on the pulling claw Pawl is clamped with energy converter, and the handle of a knife component is clamped with pulling claw, and the collet is fixed on handle of a knife component, and the cutter is detachable Ground is installed on collet.

Further, the pulling claw is equipped with the first auxiliary section and the second auxiliary section, matches equipped with third in the energy converter Conjunction portion, the handle of a knife component are equipped with the 4th auxiliary section, and first auxiliary section is clamped with third auxiliary section, second cooperation Portion is clamped with the 4th auxiliary section.

Further, the conductive component is socketed on pull rod, is socketed with butterfly spring on the pull rod, on the pull rod With the limited block for compressing or stretching butterfly spring, support portion, the butterfly bullet are provided in the conductive component The both ends of spring are affixed with limited block and support portion respectively, and the butterfly spring is between limited block and support portion.

Further, the rotary joint is located at the outside of connecting seat, offers and is used for and center on the rotary joint The center coolant inlet of coolant liquid carrying path connection, is equipped with mounting base, the peace between the rotary joint and connecting seat Dress cover for seat is connected on pull rod, and cylinder body is fixed in the mounting base, oil cylinder head cover, the rotary joint are fixed on the cylinder body It is fixed on oil cylinder head cover, piston is equipped in the cylinder body, the piston and inboard wall of cylinder block sliding contact, the piston are socketed on In connecting rod.

Further, the magnet steel for electric installation include the quiet component of magnet steel for being electrically connected with power-supply device and for The magnet steel of magnet steel quiet component magnetism connection moves component, and the quiet component of the magnet steel and magnet steel move component and be separated by setting, and the magnet steel is quiet Component and magnet steel move and are both provided with coiling on component, and the quiet component of magnet steel is fixed on connecting seat, and the magnet steel moves component It is fixed on conductive component.

Further, the cooling cycle access includes coolant channels, upper bearing (metal) oil gas cooling channel and lower bearing oil Air cooling access, the connecting seat is equipped with circulating cooling liquid entrance and circulating cooling liquid exports, the circulating cooling liquid entrance, Connection forms coolant channels between connecting seat, main shaft shell and circulating cooling liquid outlet, and first is additionally provided on the connecting seat Upper bearing (metal) oil gas entrance, the second upper bearing (metal) oil gas entrance, the first lower bearing oil gas entrance and the second lower bearing oil gas entrance, it is described It is connected between first upper bearing (metal) oil gas entrance, connecting seat, top chock, upper bearing (metal) oil spout spacer and the second upper bearing (metal) oil gas entrance Form upper bearing (metal) oil gas cooling channel, the first lower bearing oil gas entrance, connecting seat, top chock, main shaft shell, lower bearing Connection forms lower bearing oil gas cooling channel between seat, lower bearing oil spout spacer and the second lower bearing oil gas entrance.

Further, blanket gas entrance and oil gas vent are additionally provided on the connecting seat, the blanket gas entrance is for leading to Enter air to improve the leakproofness of main shaft shell, the blanket gas entrance, connecting seat, top chock, main shaft shell and dustproof cover Between be connected to, the oil gas vent, upper bearing (metal) oil spout spacer, top chock, inner cavity, lower bearing oil spout spacer and step it Between be connected to.

Further, the oil cylinder head cover, which is equipped with, unloads knife hydraulic oil inlet and oil cylinder reset gas entrance, described to unload knife liquid Hydraulic oil inlet makes piston be moved down along cylinder body for being passed through hydraulic oil, and the oil cylinder resets gas entrance makes work for being passed through air Plug is moved up along cylinder body, and described unload between knife hydraulic oil inlet, cylinder body and oil cylinder reset gas entrance is connected to.

Compared with prior art, the beneficial effects of the utility model are：

(1) in the present embodiment center cooling ultrasonic vibration high-speed electric main shaft include main shaft shell, shaft core, rotary joint, Shaft core is articulated in main shaft shell by magnet steel for electric installation, energy converter and cutter, makes rotary joint and energy converter fixed peace respectively Both ends loaded on shaft core, are equipped with cutter on the transducer, and it is hollow structure to make cutter, energy converter, shaft core and rotary joint, And center coolant liquid carrying path can be formed through between cutter, energy converter, shaft core and rotary joint, the center coolant liquid Carrying path can be passed through coolant liquid to reach the purpose to cool at cutter, energy converter, shaft core and rotary joint center, Cooling cycle access is formed in main shaft shell, which can reach hydronic effect in main shaft shell, Help to improve the efficiency that cools of main shaft.

(2) enable magnet steel realize by conductive component and energy converter for electric installation to connect, and then magnet steel can lead to for electric installation It crosses conductive component and high-frequency electrical energy is delivered to energy converter, can effectively avoid contacting high-speed rotating copper silver using static carbon brush Carbon dust pollution caused by slip ring Guiding high frequency power supply to energy converter, avoids the inside of Carbon dust pollution main shaft, helps to reduce and tie up Accomplish this, and cutter is installed on the transducer, to which cutter can realize high-frequency vibration under the action of energy converter.

Description of the drawings

Fig. 1 is that a kind of center of the utility model cools down a kind of structural schematic diagram of state of ultrasonic vibration high-speed electric main shaft；

Fig. 2 is the structural schematic diagram that a kind of center of the utility model cools down ultrasonic vibration high-speed electric main shaft another kind state；

Fig. 3 is the knot that a kind of center of the utility model cools down upper bearing (metal) oil gas cooling channel in ultrasonic vibration high-speed electric main shaft Structure schematic diagram；

Fig. 4 is the knot that a kind of center of the utility model cools down lower bearing oil gas cooling channel in ultrasonic vibration high-speed electric main shaft Structure schematic diagram；

In figure：1, main shaft shell；2, shaft core；3, rotary joint；4, magnet steel is for electric installation；5, energy converter；6, cutter；11、 Conductive component；7, center coolant liquid carrying path；8, cooling cycle access；12, inner cavity；13, connecting seat；14, dustproof cover；15、 Top chock；16, upper bearing (metal) oil spout spacer；17, lower bearing oil spout spacer；21, pull rod；22, connecting rod；23, slide cores；24、 Pulling claw；25, handle of a knife component；26, collet；241, the first auxiliary section；242, the second auxiliary section；51, third auxiliary section；251, the 4th Auxiliary section；27, butterfly spring；211, limited block；111, support portion；31, center coolant inlet；32, cylinder body；33, oil cylinder top Lid；34, piston；35, mounting base；41, the quiet component of magnet steel；42, magnet steel moves component；81, coolant channels；82, upper bearing (metal) oil gas Cooling channel；83, lower bearing oil gas cooling channel；131, circulating cooling liquid entrance；132, circulating cooling liquid exports；133, first Upper bearing (metal) oil gas entrance；134, the second upper bearing (metal) oil gas entrance；135, the first lower bearing oil gas entrance；136, the second lower bearing oil Gas entrance；137, blanket gas entrance；138, oil gas vent；331, knife hydraulic oil inlet is unloaded；332, oil cylinder resets gas entrance.

Specific implementation mode

In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further, it should be noted that Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new Embodiment.

A kind of center as shown in Figure 1, 2 cools down ultrasonic vibration high-speed electric main shaft, including main shaft shell 1, shaft core 2, rotation For electric installation 4, energy converter 5 and cutter 6, shaft core 2 is articulated in main shaft shell 1 for connector 3, magnet steel, rotary joint 3 and energy converter 5 The both ends of shaft core 2 are individually fixed in, magnet steel is connect by conductive component 11 with energy converter 5 for electric installation 4, and cutter 6, which is installed on, to be changed Can be on device 5, cutter 6, energy converter 5, shaft core 2 and rotary joint 3 are hollow structure and to be formed through center coolant liquid conveying logical Road 7 forms cooling cycle access 8 in main shaft shell 1.

As shown in Figure 1, 2, the center cooling ultrasonic vibration high-speed electric main shaft in the present embodiment includes main shaft shell 1, shaft core 2, shaft core 2 is articulated in main shaft shell 1 for electric installation 4, energy converter 5 and cutter 6, makes rotary joint 3 by rotary joint 3, magnet steel It is fixedly installed in the both ends of shaft core 2 respectively with energy converter 5 so that magnet steel can pass through conductive component 11 and energy converter 5 for electric installation 4 Realize connection, and then high-frequency electrical energy can be delivered to energy converter 5 by magnet steel for electric installation 4 by conductive component 11, can effectively be kept away Exempt from using Carbon dust pollution caused by the static high-speed rotating copper silver slip ring Guiding high frequency power supply to energy converter 5 of carbon brush contact, The inside for avoiding Carbon dust pollution main shaft helps to reduce maintenance cost, and cutter 6 is equipped on energy converter 5, in transducing Cutter 6 can realize high-frequency vibration under the action of device 5.Further, make cutter 6, energy converter 5, shaft core 2 and rotary joint 3 equal For hollow structure, and it is logical that center coolant liquid conveying can be formed through between cutter 6, energy converter 5, shaft core 2 and rotary joint 3 Road 7, the center coolant liquid carrying path 7 can cutter 6, energy converter 5, shaft core 2 and 3 center of rotary joint be passed through coolant liquid with The purpose to cool is reached, forms cooling cycle access 8 in main shaft shell 1, which can be outside main shaft Reach hydronic effect on shell 1, helps to improve the efficiency that cools of main shaft.

As shown in Figure 1, 2, as a kind of preferable embodiment of the present embodiment, inner cavity 12 is provided in main shaft shell 1, Conductive component 11 is built in inner cavity 12, and then shaft core 2 is inserted on conductive component 11 so that the both ends of main shaft shell 1 It is separately installed with connecting seat 13 and dustproof cover 14, connecting seat 13 is socketed in main shaft shell 1, dustproof cover 14 is socketed on energy converter On 5 so that energy converter 5 can be connect by connecting flange with conductive component 11, further, is socketed on conductive component 11 Top chock 15 and step make to be equipped with upper bearing (metal) oil spout spacer 16, lower axle between top chock 15 and conductive component 11 Lower bearing oil spout spacer 17 is installed between bearing and conductive component 11.

As shown in Figure 1, 2, specifically, shaft core 2 includes pull rod 21, connecting rod 22, slide cores 23, pulling claw 24, handle of a knife component 25 and collet 26, connecting rod 22 is inserted on pull rod 21, connecting rod 22 and pull rod 21 can be connected through a screw thread assembly, make company Joint chair 13, conductive component 11 are socketed on pull rod 21 so that slide cores 23 are fixedly installed on pull rod 21, and then slide cores 23 Sliding inner cavity 12 can be offered on pulling claw 24 with 21 synchronizing moving of pull rod, which can pass through for slide cores 23, So that pulling claw 24 realizes sliding contact with slide cores 23, more specifically, matching equipped with the first auxiliary section 241 and second on pulling claw 24 Conjunction portion 242 makes to be equipped with third auxiliary section 51 in energy converter 5, and handle of a knife component 25 is equipped with the 4th auxiliary section 251 so that first matches Realize connection between conjunction portion 241 and third auxiliary section 51 in a manner of clamping, the second auxiliary section 242 and the 4th auxiliary section 251 it Between connection is realized in a manner of clamping, realize connection between pulling claw 24 and energy converter 5 in a manner of clamping, handle of a knife component 25 with draw Connection is realized between pawl 24 in a manner of clamping, and is installed with collet 26 on handle of a knife component 25, by cutter 6 with detachable Mode be installed on collet 26, help to realize the replacement of cutter 6.

As shown in Figure 1, 2, more specifically, conductive component 11 is socketed on pull rod 21, make to be socketed with butterfly on pull rod 21 Spring 27, has a limited block 211 on pull rod 21, the limited block 211 can with 21 synchronizing moving of pull rod, with reach compression or Stretch butterfly spring 27 purpose, support portion 111 is provided in conductive component 11 so that the both ends of butterfly spring 27 respectively with Limited block 211 and support portion 111 achieve a fixed connection so that butterfly spring 27 be installed on limited block 211 and support portion 111 it Between.

As shown in Figure 1, 2, the rotary joint 3 in the present embodiment is located at the outside of connecting seat 13, is opened up on rotary joint 3 It is useful for the center coolant inlet 31 being connected to center coolant liquid carrying path 7, high-pressure coolant is passed through center coolant liquid Enter center coolant liquid carrying path 7 after entrance 31, high-pressure coolant is made to pass sequentially through rotary joint 3, connecting rod 22, pull rod 21, slide cores 23, handle of a knife component 25, collet 26 and cutter 6, high-pressure coolant are sprayed from high pressure from the point of a knife of cutter 6, Neng Goushi The purpose of existing center cooling, while also contributing to the scrap discharge inside main shaft.Further, rotary joint 3 with connect Mounting base 35 is equipped between seat 13, which is socketed on pull rod 21, and cylinder body 32 is installed in mounting base 35, The top of cylinder body 32 is installed with oil cylinder head cover 33, and rotary joint 3 is fixedly installed on oil cylinder head cover 33, in cylinder body 32 Equipped with piston 34 so that piston 34 and 32 inner wall sliding contact of cylinder body, the piston 34 are socketed in connecting rod 22.

As shown in Figure 1, as a kind of preferable embodiment of the present embodiment, it is equipped on oil cylinder head cover 33 and unloads knife hydraulic oil Entrance 331 and oil cylinder reset gas entrance 332, this unloads knife hydraulic oil inlet 331 makes piston 34 along cylinder body 32 for being passed through hydraulic oil It moves down, oil cylinder resets gas entrance 332 makes piston 34 be moved up along cylinder body 32 for being passed through air, unloads knife hydraulic oil inlet 331, cylinder body 32 and oil cylinder are connected between resetting gas entrance 332.When needing to carry out the replacement of cutter 6, knife hydraulic oil inlet is being unloaded 331 are passed through hydraulic oil, and hydraulic oil enters the gap between oil cylinder head cover 33 and piston 34 by the channel of oil cylinder head cover 33, in liquid Under pressure oil effect, piston 34 moves down, and lower face contacts pull rod 21 and applies thrust, and pushing drawing rod 21 moves down, simultaneously Pull rod 21 gradually reduces disk spring so that the slide cores 23 of 21 lower end of pull rod connection slide downward in sliding inner cavity 12 is certain Distance forces 24 slid inward of pulling claw to shrink, and the first auxiliary section 241 is realized with third auxiliary section 51 and detached, the second auxiliary section 242 Realize and detach with the 4th auxiliary section 251, detached even if being realized between pulling claw 24 and energy converter 5, handle of a knife component 25 and pulling claw 24 it Between realize separation so that handle of a knife component 25 can loosen with carry out replace cutter 6 operation.When needing broaching tool, knife hydraulic pressure is unloaded Oil-in 331 stops logical oil, resets the air that gas entrance 332 is passed through certain pressure in oil cylinder, air passes through oil cylinder head cover successively 33 and the channel of cylinder body 32 enter the gap between cylinder body 32 and piston 34, under the action of air, piston 34 moves up multiple Position is applied to thrust on pull rod 21 and disappears, while compressed disk spring is stretched and resetted, make pull rod 21 and slide cores 23 to Upper movement, pulling claw 24 open under the action of slide cores 23, and the first auxiliary section 241 is realized with third auxiliary section 51 to be clamped, and second Auxiliary section 242 and the 4th auxiliary section 251, which are realized, to be clamped, even if realizing clamping between pulling claw 24 and energy converter 5, handle of a knife component 25 with Clamping is realized between pulling claw 24, so as to tense handle of a knife component 25, completes the operation for replacing cutter 6.

As shown in Figure 1, 2, it is worth mentioning at this point that, magnet steel includes that the quiet component 41 of magnet steel and magnet steel move component 42 for electric installation 4, The quiet component of magnet steel 41 is electrically connected with power-supply device, and the quiet component 41 of magnet steel and magnet steel move and be both provided with coiling on component 42, Magnet steel is moved and is connected by magnetism between component 42 and the quiet component of magnet steel 41, the quiet component 41 of magnet steel and magnet steel are moved component 42 is separated by and set It sets, i.e., the quiet component of magnet steel 41 is fixedly installed on connecting seat 13, so that magnet steel is moved component 42 and be fixedly installed on conductive component 11, High-frequency current enters the coiling in the quiet component of magnet steel 41 from the conducting wire of power-supply device, coiling of the electric current in the quiet component of magnet steel 41 Magnetic field is generated in circle, the quiet component 41 of magnet steel and magnet steel form closed magnetic field circuit between moving component 42, and electric energy is converted to magnetic field energy, And magnet steel moves the coiling in component 42 and is generated electric current by the excitation of closed magnetic field, and magnetic field energy is made to be converted to electric energy, and then electric current Enter energy converter 5 through conductive component 11, makes 5 work once electrified of energy converter.So as to realize non-contact power supply, make quiet group of magnet steel Any contact friction is not present between moving component 42 in part 41 and magnet steel, can effectively avoid wearing and damage, and reaches reduction dimension Accomplish this purpose, use is extremely convenient and reliable.

As shown in Figs 1-4, more specifically, keeping cooling cycle access 8 logical including coolant channels 81, the cooling of upper bearing (metal) oil gas Road 82 and lower bearing oil gas cooling channel 83, are equipped with circulating cooling liquid entrance 131 on connecting seat 13 and circulating cooling liquid exports 132, it is passed through coolant liquid into circulating cooling liquid entrance 131, circulating cooling liquid entrance 131, connecting seat 13, main shaft shell 1 and follows Connection forms the coolant channels 81 of cycle between ring cooling liquid outlet 132 so that coolant liquid enters by circulating cooling liquid successively Mouth 131, connecting seat 13, main shaft shell 1, coolant liquid are effective, comprehensive to main shaft from 132 discharge of circulating cooling liquid outlet Interior component cools down.The first upper bearing (metal) oil gas entrance 133 is additionally provided on connecting seat 13, the second upper bearing (metal) oil gas enters The 134, first lower bearing oil gas entrance 135 of mouth and the second lower bearing oil gas entrance 136, first is each led by air-fuel mixture gas Upper bearing (metal) oil gas entrance 133, the second upper bearing (metal) oil gas entrance 134, the first lower bearing oil gas entrance 135 and the second lower bearing oil gas Entrance 136, because the first upper bearing (metal) oil connect vent entrance openings, connecting seat 13, top chock 15, on upper bearing (metal) oil spout spacer 16 and second Connection forms the upper bearing (metal) oil gas cooling channel 82 of cycle between bearing oil gas entrance 134, into upper bearing (metal) oil gas cooling channel 82 air-fuel mixture gas passes through connecting seat 13, top chock 15, upper bearing (metal) oil spout spacer 16, and the first lower bearing oil gas successively Entrance 135, connecting seat 13, top chock 15, main shaft shell 1, step, lower bearing oil spout spacer 17 and the second lower bearing oil Connection forms lower bearing oil gas cooling channel 83 between gas entrance 136, into the air-fuel mixture of lower bearing oil gas cooling channel 83 Gas passes through connecting seat 13, top chock 15, main shaft shell 1, step, lower bearing oil spout spacer 17 successively, so as to The effect that are realized by lubrication, is cooled for upper bearing (metal), lower bearing.

As shown in Figure 1, 2, past more specifically, being additionally provided with blanket gas entrance 137 and oil gas vent 138 on connecting seat 13 Blanket gas entrance 137 is passed through the air of certain pressure, makes blanket gas entrance 137, connecting seat 13, top chock 15, main shaft shell 1 It is connected between dustproof cover 14, air passes sequentially through blanket gas entrance 137, connecting seat 13, top chock 15,1 and of main shaft shell Dustproof cover 14, the air are discharged from the gap of dustproof cover 14 and energy converter 5, can effectively prevent sewage, chip, dirty gas etc. into Enter main shaft, the dust of front-end of spindle can also be removed.And oil gas vent 138, upper bearing (metal) oil spout spacer 16, top chock 15, It is connected between inner cavity 12, lower bearing oil spout spacer 17 and step, so that the air-fuel mixture gas inside main shaft shell 1 It can be discharged by oil gas vent 138.

The above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to In the utility model range claimed.

Claims (10)

1. a kind of center cools down ultrasonic vibration high-speed electric main shaft, it is characterised in that：Including main shaft shell, shaft core, rotary joint, magnetic Steel is articulated in for electric installation, energy converter and cutter, the shaft core in main shaft shell, and the rotary joint and energy converter are fixed respectively In the both ends of shaft core, the magnet steel is connect by conductive component with energy converter for electric installation, the Cutting tool installation manner on energy converter, The cutter, energy converter, shaft core and rotary joint are hollow structure and are formed through center coolant liquid carrying path, the master Cooling cycle access is formed on shaft housing.

2. center as described in claim 1 cools down ultrasonic vibration high-speed electric main shaft, it is characterised in that：The main shaft shell setting There are inner cavity, the conductive component to be built in inner cavity, the shaft core is inserted on conductive component, the both ends difference of the main shaft shell Connecting seat and dustproof cover are installed, the connecting seat is socketed in main shaft shell, and the dustproof cover is socketed on energy converter, described Energy converter is connect by connecting flange with conductive component, and top chock and step are socketed on the conductive component, described It is equipped with upper bearing (metal) oil spout spacer between top chock and conductive component, lower bearing is equipped between the step and conductive component Oil spout spacer.

3. center as claimed in claim 2 cools down ultrasonic vibration high-speed electric main shaft, it is characterised in that：The shaft core includes drawing Bar, connecting rod, slide cores, pulling claw, handle of a knife component and collet, the connecting rod are inserted on pull rod, the conductive component socket In on pull rod, the slide cores be fixed on pull rod and with pull rod synchronizing moving, offer for for slide cores on the pulling claw The sliding inner cavity passed through, the pulling claw and slide cores sliding contact, the pulling claw are clamped with energy converter, the handle of a knife component and drawing Pawl is clamped, and the collet is fixed on handle of a knife component, and the cutter is removably installed on collet.

4. center as claimed in claim 3 cools down ultrasonic vibration high-speed electric main shaft, it is characterised in that：The pulling claw is equipped with the One auxiliary section and the second auxiliary section, the energy converter is interior to be equipped with third auxiliary section, and the handle of a knife component is equipped with the 4th auxiliary section, First auxiliary section is clamped with third auxiliary section, and second auxiliary section is clamped with the 4th auxiliary section.

5. center as claimed in claim 3 cools down ultrasonic vibration high-speed electric main shaft, it is characterised in that：The conductive component socket In on pull rod, being socketed with butterfly spring on the pull rod, have on the pull rod for compressing or stretching butterfly spring Limited block is provided with support portion in the conductive component, and the both ends of the butterfly spring are affixed with limited block and support portion respectively, The butterfly spring is between limited block and support portion.

6. center as claimed in claim 5 cools down ultrasonic vibration high-speed electric main shaft, it is characterised in that：The rotary joint is located at The outside of connecting seat, the center coolant liquid offered for being connected to center coolant liquid carrying path on the rotary joint enter Mouthful, mounting base is equipped between the rotary joint and connecting seat, the mounting base is socketed on pull rod, fixed in the mounting base There is cylinder body, oil cylinder head cover is fixed on the cylinder body, the rotary joint is fixed on oil cylinder head cover, is equipped with and is lived in the cylinder body Plug, the piston and inboard wall of cylinder block sliding contact, the piston are socketed in connecting rod.

7. center as described in claim 1 cools down ultrasonic vibration high-speed electric main shaft, it is characterised in that：The magnet steel is for electric installation Include moving component, institute for the magnet steel with the quiet component of the magnet steel that power-supply device is electrically connected and for being connect with the quiet component magnetism of magnet steel It states the quiet component of magnet steel and magnet steel and moves component and be separated by setting, coiling is both provided on the quiet component of the magnet steel and the dynamic component of magnet steel, The quiet component of magnet steel is fixed on connecting seat, and the magnet steel moves component and is fixed on conductive component.

8. center as claimed in claim 2 cools down ultrasonic vibration high-speed electric main shaft, it is characterised in that：The cooling cycle access Including coolant channels, upper bearing (metal) oil gas cooling channel and lower bearing oil gas cooling channel, it is cold that the connecting seat is equipped with cycle But liquid entrance and circulating cooling liquid outlet, the circulating cooling liquid entrance, connecting seat, main shaft shell and circulating cooling liquid export it Between connection form coolant channels, be additionally provided on the connecting seat the first upper bearing (metal) oil gas entrance, the second upper bearing (metal) oil gas entrance, First lower bearing oil gas entrance and the second lower bearing oil gas entrance, the first upper bearing (metal) oil gas entrance, connecting seat, upper bearing (metal) It is connected between seat, upper bearing (metal) oil spout spacer and the second upper bearing (metal) oil gas entrance and forms upper bearing (metal) oil gas cooling channel, described first Lower bearing oil gas entrance, connecting seat, top chock, main shaft shell, step, lower bearing oil spout spacer and the second lower bearing oil Connection forms lower bearing oil gas cooling channel between gas entrance.

9. center as claimed in claim 2 cools down ultrasonic vibration high-speed electric main shaft, it is characterised in that：It is also set on the connecting seat There are blanket gas entrance and oil gas vent, the blanket gas entrance is used to be passed through air to improve the leakproofness of main shaft shell, described Be connected between blanket gas entrance, connecting seat, top chock, main shaft shell and dustproof cover, the oil gas vent, upper bearing (metal) oil spout every It is connected between set, top chock, inner cavity, lower bearing oil spout spacer and step.

10. center as claimed in claim 6 cools down ultrasonic vibration high-speed electric main shaft, it is characterised in that：On the oil cylinder head cover Equipped with knife hydraulic oil inlet and oil cylinder reset gas entrance is unloaded, the knife hydraulic oil inlet that unloads makes piston along cylinder for being passed through hydraulic oil Body moves down, and the oil cylinder resets gas entrance makes piston be moved up along cylinder body for being passed through air, described to unload knife hydraulic oil Entrance, cylinder body and oil cylinder are connected between resetting gas entrance.