Grinding machine static pressure main shaft structure with ultrasonic wave driving function

Abstract

The utility model provides a grinding machine static pressure main shaft structure with ultrasonic wave driving, which comprises a static pressure main shaft, an ultrasonic wave oscillator, a grinding wheel disc seat and an electric control group, the static pressure main shaft is combined with the grinding wheel disc seat, and the static pressure main shaft can provide central outlet water relative to the grinding wheel disc seat. The ultrasonic oscillator is fixedly arranged on the grinding wheel disc seat and contained in the static pressure main shaft, the ultrasonic oscillator adjusts and controls the oscillation frequency through the electric control set, when the static pressure main shaft drives the grinding wheel disc seat to conduct grinding, water flowing out of the center of the grinding wheel disc seat can conduct cooling and chip removal, and the ultrasonic oscillator provides oscillation for the grinding wheel disc seat. Therefore, the grinding wheel disc seat not only can be used for rotary grinding, but also can be used for assisting impact grinding, so that the grinding cutting force and the chip removal property are improved, and the effects of high use functionality and high use efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to a static pressure spindle structure of a grinding machine with ultrasonic drive, in particular to the technical field of a static pressure spindle structure with ultrasonic vibration applied to a grinding machine. Background Art

[0002] The existing ultrasonic driven grinding machine shaft structure is as follows Figure 6 As shown, it includes a rotating spindle 50, a grinding wheel set 60 and an external ultrasonic device 70, wherein the grinding wheel set 60 is fixedly arranged on the outer peripheral surface of the rotating spindle 50, and the external ultrasonic device 70 is attached to the end side of the rotating spindle 50. However, the arrangement of the external ultrasonic device 70 increases the weight of the end side of the rotating spindle 50, which may cause the end side of the rotating spindle 50 to sag, thereby reducing the grinding accuracy of the grinding wheel set 60 arranged on the rotating spindle 50. In addition, due to structural limitations, the rotation speed of the rotating spindle 50 is limited. In grinding applications, it is more likely that the external ultrasonic device 70 is arranged at the front end of the rotating spindle 50, causing interference problems in processing, so there is a need for improvement. Utility Model Content

[0003] In view of the poor functionality and structural stability of the prior art ultrasonically driven grinding machine shaft structure, the utility model is to complete the ultrasonically driven grinding machine static pressure spindle structure of the utility model.

[0004] The main purpose of the utility model is to provide a hydrostatic spindle structure of a grinding machine with ultrasonic drive, which is matched with an oil tank pump and a water tank pump. The hydrostatic spindle system of the grinding machine includes: a hydrostatic spindle, an ultrasonic oscillator, a grinding wheel disc seat and an electric control group. The hydrostatic spindle is provided with a vertical spindle, a positioning abutting stop ring cover, a spindle sleeve, a connecting cover, an oil-cooled outer sleeve, a rotor oil-cooled inner sleeve sleeve, an oil-cooled outer sleeve cover and an outer cover. The vertical spindle is provided with at least one central water-conducting and water-discharging pipeline, at least two electric control line channels and a port built-in groove, and the electric control line channel is connected with the port built-in groove, the positioning abutting stop ring cover is integrally provided with a stop ring cover and a sleeve, and the stop ring cover and the sleeve central A positioning through hole is provided through it, and the stop ring cover is provided with several water channels. The main shaft sleeve is hollow from the front end to the rear end and is provided with an axial cavity, and the connecting cover is provided with a central positioning shaft hole, and the oil-cooled outer sleeve is hollow, and an internal storage space is provided in the stator and rotor oil-cooled inner sleeve shaft sleeve, and a certain rotor group is provided in the internal storage space, and the oil-cooled outer sleeve cover 17 is provided with an axial hole, and an encoder seat is fixedly provided at the center of the axial hole, and the encoder seat is provided with a fixing part, a central cooling water channel water inlet hole and several guide holes, and the central cooling water channel water inlet hole is fixedly provided with a guide joint, and a through hole is provided in the center of the outer cover, wherein the end side of the vertical spindle is combined and fixed with the positioning abutment stop ring cover, and the stop ring cover of the positioning abutment stop ring cover abuts against the vertical spindle. The end face of the shaft, and the sleeve portion extends into the built-in receiving groove of the port of the vertical spindle, the water conduit of the stop ring cover is connected with the central water conduit and outlet pipe of the vertical spindle, and the vertical spindle is accommodated in the shaft inner cavity of the main shaft sleeve, the end of the main shaft sleeve is combined with the connecting cover, and the shaft body of the vertical spindle is positioned and fixed by the central positioning shaft hole of the connecting cover, and the oil-cooling outer sleeve is fixed on the connecting cover, and the stator and rotor oil-cooling inner sleeve shaft sleeve is fixed in the oil-cooling outer sleeve, and the vertical spindle passes through the stator and rotor group in the oil-cooling inner sleeve shaft sleeve, and the oil-cooling outer sleeve is further combined and fixed with the oil-cooling outer sleeve cover, and one side of the vertical spindle is combined and fixed with the fixing part of the encoder seat provided in the shaft hole of the oil-cooling outer sleeve cover, and the central cooling water channel of the encoder seat enters the water The hole and the guide hole are respectively connected with the central water outlet pipe and the electric control line channel of the vertical spindle. The outer cover is fixedly arranged on the outside of the oil cooling outer sleeve cover, and the through hole arranged on the outer cover is opposite to the guide joint arranged on the central cooling water inlet hole of the encoder seat, and the guide joint is connected with the water tank pump; the ultrasonic oscillator is provided with a guide end, a fixed end and a body, and the upper and lower positions of the side edge of the body are respectively provided with a supporting ring, wherein the ultrasonic oscillator is accommodated in the built-in groove of the port provided on the vertical spindle of the static pressure main shaft, and the supporting ring of the ultrasonic oscillator is slightly supported on the wall of the built-in groove of the port with a gap; the grinding wheel seat is provided with several guide water outlets and a central fixed part, wherein the central fixed part is fixed to the fixed end of the ultrasonic oscillator;The electric control group is provided with a control box and a frequency adjuster which are connected to each other. The control box is provided with a wire, wherein the wire passes through the number guide hole provided in the encoder seat of the shaft hole provided in the oil-cooled outer sleeve cover of the static pressure main shaft, and passes through the electric control line channel provided in the vertical spindle, and is connected to the connecting end of the ultrasonic oscillator. ;

[0005] In a preferred embodiment, the shaft inner cavity wall of the spindle sleeve is provided with several hydrostatic suspension ring oil grooves, and the spindle sleeve near the end is provided with several lateral hydrostatic oil circuit guide ports and several hydrostatic oil axial guide pipes, the lateral hydrostatic oil circuit guide ports are connected with the hydrostatic oil axial guide pipes, and the hydrostatic oil axial guide pipes are connected with the hydrostatic suspension ring oil grooves provided in the shaft inner cavity, and the connecting cover is provided with several hydrostatic oil guide oil channels, and the several hydrostatic oil guide oil channels are connected with the wall of the central positioning shaft hole, wherein the several hydrostatic oil guide oil channels of the connecting cover are connected with the lateral hydrostatic oil circuit guide ports provided on the spindle sleeve, and the The lateral static pressure oil circuit guide port is connected to the oil tank pump, and the axial inner cavity of the main shaft sleeve is provided with several static pressure suspension ring oil grooves relative to the surface of the vertical spindle, wherein the oil tank pump circulates the hydraulic oil into several static pressure oil axial guide pipes and several static pressure oil guide oil channels through the lateral static pressure oil circuit guide port, and is led out from the several static pressure suspension ring oil grooves and the wall surface of the central positioning shaft hole, so that the hydraulic oil in the axial inner cavity of the main shaft sleeve and the central positioning shaft hole of the connecting cover forms a static pressure suspension state with the vertical spindle, thereby reducing the wear of the vertical spindle during operation, and increasing the stability and accuracy of operation, so as to increase the multiple variability of the utility model.

[0006] In a preferred embodiment, several lateral static pressure oil circuit guide ports of the main shaft sleeve are respectively provided with a static pressure oil circuit sensor reader, and the static pressure oil circuit sensor reader is wirelessly connected to the control box of the electronic control group to detect the data of the hydraulic oil introduction, and the detection data is sent back to the control box for recording and interpretation, so as to increase the multiple variability of the utility model.

[0007] In a preferred embodiment, at least two oil cooling ports are provided on the end side surface of the stator and rotor oil-cooling inner sleeve sleeve, and the outer surface of the stator and rotor oil-cooling inner sleeve sleeve is spirally and recessed with an outer diameter circulating oil cooling annulus, and the outer diameter circulating oil cooling annulus is communicated with the oil cooling port, and the oil cooling outer sleeve cover is provided with several oil cooling ports, one side of the oil cooling port of the oil cooling outer sleeve cover is communicated with the oil cooling port provided on the stator and rotor oil-cooling inner sleeve sleeve, and the other side of the oil cooling port is connected to the oil tank pump, wherein the oil tank pump introduces the cooled hydraulic oil into the oil cooling port provided on the stator and rotor oil-cooling inner sleeve sleeve through the oil cooling port, and circulates the oil into the outer diameter circulating oil cooling annulus, so as to cool the rotor group set in the stator and rotor oil-cooling inner sleeve sleeve, improve the stability and life of the product operation, and increase the multiple variability of the utility model.

[0008] In a preferred embodiment, the oil-cooling guide port of the stator and rotor oil-cooling inner sleeve is fixedly provided with an oil-cooling oil circuit sensor reader, and the oil-cooling inlet of the oil-cooling outer sleeve cover is provided with an oil-cooling oil inlet sensor reader, and the oil-cooling oil circuit sensor reader and the oil-cooling oil inlet sensor reader are wirelessly connected to the control box of the electronic control group to detect the data of the cooling hydraulic oil introduction, and the detection data is sent back to the control box for recording and interpretation, so as to increase the multiple variability of the present invention.

[0009] In a preferred embodiment, the hydrostatic spindle is further connected to a wireless transmission module to provide an encoder seat provided in the shaft hole of the oil-cooled outer sleeve cover for wireless transmission and reception of detection signals, thereby increasing the multiple variability of the present invention.

[0010] By cooperating with an oil tank pump and a water tank pump, the static pressure spindle system of the grinding machine includes: a static pressure spindle, an ultrasonic oscillator, a grinding wheel seat and an electric control group, wherein the static pressure spindle is combined with the grinding wheel seat, and the static pressure spindle can provide a central water outlet relative to the grinding wheel seat, providing the central water outlet of the grinding wheel seat for cooling and chip removal, and the ultrasonic oscillator is fixed on the grinding wheel seat and accommodated in the static pressure spindle. The ultrasonic oscillator is controlled by the electric control group to adjust the oscillation frequency. When the static pressure spindle drives the grinding wheel seat for grinding, the ultrasonic oscillator provides the grinding wheel seat with oscillation, so that the grinding wheel seat has the auxiliary function of impact grinding in addition to rotation grinding, thereby improving the cutting force and chip removal of grinding, so as to achieve the effect of high functionality and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a three-dimensional assembly state schematic diagram of the static pressure spindle structure of the ultrasonic driven grinding machine of the utility model.

[0013] Figure 2 It is a three-dimensional partially exploded schematic diagram of the static pressure spindle structure of the ultrasonically driven grinder of the utility model.

[0014] Figure 3 The utility model is a side view cross-sectional state schematic diagram of the central water outlet pipeline characteristics of the ultrasonic driven hydrostatic spindle structure of the grinding machine.

[0015] Figure 4 The utility model is a schematic side view of the cross-sectional state of the hydrostatic pipeline characteristics of the hydrostatic spindle structure of the ultrasonically driven grinder.

[0016] Figure 5 This is a cross-sectional view of the central water outlet and ultrasonic vibration of the static pressure spindle structure of the ultrasonically driven grinder of the utility model.

[0017] Figure 6 This is a reference diagram of the prior art ultrasonic driven grinding machine shaft structure of the ultrasonic driven grinding machine static pressure spindle structure of the utility model.

[0018] Among them, 10 is a hydrostatic spindle; 11 is a vertical spindle; 110 is a central water outlet pipe; 111 is an electric control line channel; 112 is a built-in port groove; 12 is a positioning stop ring cover; 120 is a stop ring cover; 120A is a water channel; 121 is a sleeve; 122 is a positioning hole; 13 is a spindle sleeve; 130 is an inner cavity of the shaft; 130A is a hydrostatic suspension ring oil groove; 131 is a lateral hydrostatic oil channel guide port; 131A is a hydrostatic oil channel induction reader; 132 is a hydrostatic oil axial guide pipe; 14 is a connecting cover; 140 is a central positioning shaft hole; 141 is a hydrostatic oil guide oil channel; 15 is an oil cooling outer sleeve; 16 is a stator and rotor oil cooling inner sleeve sleeve; 160 is a storage space; 161 is a stator and rotor assembly ; 162 oil cooling port; 163 outer diameter circulating oil cooling channel; 17 oil cooling outer sleeve cover; 170 shaft hole; 171 oil cooling port; 172 encoder seat; 172A fixed part; 172B central cooling water inlet; 172C guide hole; 172D guide joint; 18 outer cover; 180 perforation; 19 wireless transmission module; 20 ultrasonic oscillator; 21 conductor end; 22 fixed end; 23 body; 230 support ring; 30 grinding wheel seat; 31 guide outlet; 32 central fixed part; 40 electric control group; 41 control box; 410 wire; 42 frequency adjuster; 50 rotating spindle; 60 grinding wheel group; 70 external ultrasonic device. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Please refer to Figures 1 to 4 The figure shows the three-dimensional assembly state, three-dimensional partial decomposition state, side view cross-section state of the central water outlet pipe characteristic of the utility model with ultrasonic drive static pressure spindle structure.

[0021] The characteristic side view cross-sectional state diagram of the hydrostatic pressure pipeline is shown, which is matched with an oil tank pump 100 and a water tank pump 101. The hydrostatic main shaft system of the grinding machine includes:

[0022] A static pressure spindle 10, the static pressure spindle 10 is provided with a vertical spindle 11, a positioning and abutting stop ring cover 12, a spindle sleeve 13, a connecting cover 14, an oil-cooling outer sleeve 15, a rotor oil-cooling inner sleeve sleeve 16, an oil-cooling outer sleeve cover 17 and an outer cover 18, the vertical spindle 11 is provided with at least one central water-conducting and water-discharging pipe 110, at least two electric control line channels 111 and a port built-in groove 112, and the electric control line channel 111 is connected with the port built-in groove 112, the positioning and abutting stop ring cover 12 is integrally provided with a stop ring cover 120 and a sleeve 121, and a positioning through hole 122 is penetrated in the center of the stop ring cover 120 and the sleeve 121, and the stop ring cover 120 is provided with a plurality of water conduits 120A, The main shaft sleeve 13 is hollow from the front end to the rear end and is provided with an axial cavity 130, and the connecting cover 14 is provided with a central positioning shaft hole 140, and the oil-cooling outer sleeve 15 is hollow, and the stator and rotor oil-cooling inner sleeve shaft sleeve 16 is provided with an inner storage space 160, and a certain rotor group 161 is provided in the inner storage space 160, and the oil-cooling outer sleeve cover 17 is provided with an axial hole 170, and an encoder seat 172 is fixedly provided at the center of the axial hole 170, and the encoder seat 172 is provided with a fixing portion 172A, a central cooling water channel water inlet hole 172B and a number of guide holes 172C, and a guide joint 172D is fixedly provided at the central cooling water channel water inlet hole 172B, and a through hole 180 is provided at the center of the outer cover 18, wherein the end side of the vertical spindle 11 is connected to the stator and rotor The stop ring cover 12 is combined and fixed to the positioning stop ring cover 12, and the stop ring cover 120 of the positioning stop ring cover 12 is pressed against the end surface of the vertical spindle 11, and the sleeve portion 121 extends into the built-in receiving groove 112 of the port of the vertical spindle 11, and the water conduit 120A of the stop ring cover 120 is connected with the central water conduit and outlet pipe 110 provided on the vertical spindle 11, and the vertical spindle 11 is accommodated in the shaft cavity 130 of the main shaft sleeve 13, and the end of the main shaft sleeve 13 is combined with the connecting cover 14, and the shaft body of the vertical spindle 11 is positioned and fixed by the central positioning shaft hole 140 of the connecting cover 14, and the oil cooling outer sleeve 15 is fixed on the connecting cover 14, and the stator and rotor oil cooling inner sleeve shaft sleeve 16 is fixed in the oil cooling outer sleeve 15, and the vertical spindle 11 passes through The stator and rotor assembly 161 in the oil-cooled inner sleeve shaft sleeve 16 is then fixed to the oil-cooled outer sleeve cover 17, and one side of the vertical spindle 11 is fixed to the fixed portion 172A of the encoder seat 172 provided in the shaft hole 170 of the oil-cooled outer sleeve cover 17. The central cooling water channel water inlet hole 172B and the guide hole 172C of the encoder seat 172 are respectively connected to the central water guide and outlet pipe 110 and the electric control line channel 111 provided in the vertical spindle 11. The outer cover 18 is fixed to the outside of the oil-cooled outer sleeve cover 17, and the through hole 180 provided in the outer cover 18 is opposite to the guide joint 172D provided in the central cooling water channel water inlet hole 172B of the encoder seat 172, and the guide joint 172D is connected to the water tank pump 101.

[0023] An ultrasonic oscillator 20, the ultrasonic oscillator 20 is provided with a connecting end 21, a fixing end 22 and a body 23, the body 23 has a supporting ring 230 at the upper and lower positions of the side edge, wherein the ultrasonic oscillator 20 is accommodated in the port built-in groove 112 provided in the vertical spindle 11 of the static pressure main shaft 10, and the supporting ring 230 is provided with a gap and can be slightly moved against the wall surface of the port built-in groove 112;

[0024] a grinding wheel base 30, wherein the grinding wheel base 30 is provided with a plurality of water guide channels 31 and a central fixing portion 32, wherein the central fixing portion 32 is fixed to the fixing end 22 of the ultrasonic oscillator 20; and

[0025] An electric control group 40, the electric control group 40 is provided with a control box 41 and a frequency adjuster 42 which are interconnected, the control box 41 is provided with a wire 410, wherein the wire 410 passes through the digital guide hole 172C provided in the encoder seat 172 of the shaft hole 170 provided in the oil-cooled outer sleeve cover 17 of the hydrostatic spindle 10, and passes through the electric control line channel 111 provided in the vertical spindle 11, and is connected to the conductive end 21 of the ultrasonic oscillator 20.

[0026] By means of the cooperation of the above structures, the static pressure spindle structure of the grinding machine with ultrasonic drive of the utility model is completed.

[0027] Please refer to Figures 1 to 5 As shown, the three-dimensional assembly state, three-dimensional partial decomposition state, central water outlet pipeline characteristic side view cross-sectional state, liquid static pressure pipeline characteristic side view cross-sectional state and central water outlet and ultrasonic oscillation cross-sectional actuation state reference diagram of the ultrasonic driven grinding machine static pressure spindle structure of the utility model are matched with an oil tank pump 100 and a water tank pump 101. The static pressure spindle 10 is combined with the grinding wheel disc seat 30, and the static pressure spindle 10 can provide central water outlet relative to the grinding wheel disc seat 30, providing the central part of the grinding wheel disc seat 30. The ultrasonic oscillator 20 is fixed on the grinding wheel seat 30 and accommodated in the static pressure spindle 10. The ultrasonic oscillator 20 is controlled by the electronic control group 40 to adjust the oscillation frequency. When the static pressure spindle 10 drives the grinding wheel seat 30 for grinding, the ultrasonic oscillator 20 provides the grinding wheel seat 30 with oscillation, so that the grinding wheel seat 30 has the auxiliary function of impact grinding in addition to rotation grinding, thereby improving the cutting force and chip removal of grinding, so as to achieve the effect of high functionality and efficiency.

[0028] Please refer to Figures 3 to 5As shown in the figure, it is a side view cross-sectional state of the central water outlet pipeline characteristic of the ultrasonic driven grinding machine static pressure spindle structure, a side view cross-sectional state of the liquid static pressure pipeline characteristic, and a cross-sectional actuation state reference diagram of the central water outlet and ultrasonic oscillation. In a preferred embodiment, the wall surface of the shaft inner cavity 130 of the spindle sleeve 13 is provided with a number of static pressure suspension ring oil grooves 130A, and the near end of the spindle sleeve 13 is provided with a number of lateral static pressure oil channel guide ports 131 and a number of The lateral static oil passage guide port 131 is connected to the static oil axial guide pipe 132, and the static oil axial guide pipe 132 is connected to the static oil suspension ring oil groove 130A provided in the shaft inner cavity 130, and the connecting cover 14 is provided with a number of static oil guide oil passages 141, and the number of static oil guide oil passages 141 is connected to the wall of the central positioning shaft hole 140, wherein the number of static oil guide oil passages 141 of the connecting cover 14 ... The oil guide passage 141 is connected to the lateral static oil passage guide port 131 of the main shaft sleeve 13, and the lateral static oil passage guide port 131 of the main shaft sleeve 13 is connected to the oil tank pump 100, and the axial inner cavity 130 of the main shaft sleeve 13 is provided with a number of static pressure suspension ring oil grooves 130A relative to the surface of the vertical spindle 11, wherein the oil tank pump 100 circulates the hydraulic oil into the number of static oil axial grooves through the lateral static oil passage guide port 131. The guide pipe 132 and several hydrostatic oil guide oil passages 141 are led out by several hydrostatic suspension ring oil grooves 130A and the wall of the central positioning shaft hole 140, so that the hydraulic oil forms a hydrostatic suspension state with the vertical spindle 11 in the shaft cavity 130 of the main shaft sleeve 13 and the central positioning shaft hole 140 of the connecting cover 14, thereby reducing the wear of the vertical spindle 11 during operation, and increasing the stability and accuracy of operation, so as to increase the multiple variability of the utility model.

[0029] Please refer to Figures 3 to 5 As shown, it is a reference diagram of the characteristic side view cross-sectional state of the central water outlet pipeline, the characteristic side view cross-sectional state of the hydraulic static pressure pipeline, and the cross-sectional actuation state of the central water outlet and ultrasonic oscillation of the ultrasonically driven hydrostatic spindle structure of the grinding machine of the present invention. In a preferred embodiment, several lateral hydrostatic oil circuit guide ports 131 of the spindle sleeve 13 are respectively fixed with a hydrostatic oil circuit sensor reader 131A, and the hydrostatic oil circuit sensor reader 131A is wirelessly connected to the control box 41 of the electronic control group 40 (not shown in the figure) to detect the data of the hydraulic oil introduction, and transmit the detected data back to the control box 41 for recording and interpretation, so as to increase the multiple variability of the present invention.

[0030] Please refer to Figures 3 to 5As shown, it is a reference diagram of the characteristic side view cross-sectional state of the central water outlet pipeline of the ultrasonically driven hydrostatic spindle structure of the grinding machine of the present invention, the characteristic side view cross-sectional state of the hydrostatic pipeline, and the cross-sectional actuation state of the central water outlet and ultrasonic oscillation. In a preferred embodiment, the end side surface of the stator and rotor oil-cooling inner sleeve sleeve 16 is provided with at least two oil-cooling guide ports 162, and the outer surface of the stator and rotor oil-cooling inner sleeve sleeve 16 is spirally and concavely provided with an outer diameter circulating oil-cooling annulus 163, and the outer diameter circulating oil-cooling annulus 163 is connected to the oil-cooling guide port 162, and the oil-cooling outer sleeve cover 17 is provided with a plurality of oil-cooling guide ports 171 One side of the oil cooling guide port 171 of the oil cooling outer sleeve cover 17 is connected to the oil cooling guide port 162 provided on the stator and rotor oil cooling inner sleeve sleeve 16, and the other side of the oil cooling guide port 171 is connected to the oil tank pump 100, wherein the oil tank pump 100 introduces the cooled hydraulic oil into the oil cooling guide port 162 provided on the stator and rotor oil cooling inner sleeve sleeve 16 through the oil cooling guide port 171, and circulates the oil into the outer diameter circulating oil cooling loop 163, so as to cool the rotor group 161 set in the stator and rotor oil cooling inner sleeve sleeve 16, improve the stability and life of the product operation, and increase the multiple variability of the utility model.

[0031] Please refer to Figures 3 to 5 As shown, it is a reference diagram of the characteristic side view cross-sectional state of the central water outlet pipeline, the characteristic side view cross-sectional state of the liquid static pressure pipeline, and the cross-sectional actuation state of the central water outlet and ultrasonic oscillation of the ultrasonically driven hydrostatic spindle structure of the grinding machine of the present invention. In a preferred embodiment, the oil cooling guide port 162 of the stator and rotor oil cooling inner sleeve sleeve 16 is fixedly provided with an oil cooling oil circuit sensor reader 162A, and the oil cooling inlet port 171 of the oil cooling outer sleeve cover 17 is provided with an oil cooling oil inlet sensor reader 171A, and the oil cooling oil circuit sensor reader 162A and the oil cooling oil inlet sensor reader 171A are wirelessly connected to the control box 41 of the electric control group 40 (not shown in the figure) to detect the data of the cooling hydraulic oil introduction, and transmit the detection data back to the control box 41 for recording and interpretation, so as to increase the multiple variability of the present invention.

[0032] Please refer to Figures 1 to 5 As shown, the three-dimensional combination state, three-dimensional partial decomposition state, central water outlet pipeline characteristic side view cross-sectional state, liquid static pressure pipeline characteristic side view cross-sectional state and central water outlet and ultrasonic oscillation cross-sectional actuation state reference diagram of the ultrasonically driven hydrostatic spindle structure of the present invention are shown. In a preferred embodiment, the hydrostatic spindle 10 is further connected to a wireless transmission module 19 to provide an encoder seat 172 provided in the axial hole 170 of the oil-cooled outer sleeve cover 17 for wireless transmission and reception of detection signals, so as to increase the multiple variability of the present invention.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A hydrostatic spindle structure of a grinding machine with ultrasonic drive, which is matched with an oil tank pump and a water tank pump, characterized in that: The hydrostatic spindle system of the grinder includes: A static pressure spindle, the static pressure spindle is provided with a vertical spindle, a positioning abutting stop ring cover, a spindle sleeve, a connecting cover, an oil-cooled outer sleeve, a rotor oil-cooled inner sleeve sleeve, an oil-cooled outer sleeve cover and an outer cover, the vertical spindle is provided with at least one central water-conducting and water-discharging pipeline, at least two electric control line channels and a port built-in groove, and the electric control line channel is connected with the port built-in groove, the positioning abutting stop ring cover is integrally provided with a stop ring cover and a sleeve, and a positioning through hole is penetrated in the center of the stop ring cover and the sleeve, and the stop ring cover is provided with several water-conducting and water-discharging pipelines ... electric control line channel is connected with The main shaft sleeve is hollow from the front end to the rear end and is provided with an inner shaft cavity, and the connecting cover is provided with a central positioning shaft hole, and the oil-cooling outer sleeve is hollow, and the stator and rotor oil-cooling inner sleeve shaft sleeve is provided with an inner storage space, and a certain rotor group is provided in the inner storage space, and the oil-cooling outer sleeve cover is provided with an axial hole, and an encoder seat is fixedly provided at the center of the axial hole, and the encoder seat is provided with a fixing part, a central cooling water channel water inlet hole and a number of guide holes, and a guide joint is fixedly provided at the central cooling water channel water inlet hole, and a through hole is provided at the center of the outer cover, wherein the end side of the vertical spindle and the The positioning abutment stop ring cover is combined and fixed, and the stop ring cover of the positioning abutment stop ring cover is abutted against the end face of the vertical spindle, and the sleeve portion extends into the built-in receiving groove of the port of the vertical spindle, the water conduit of the stop ring cover is connected with the central water conduit and outlet pipe of the vertical spindle, and the vertical spindle is accommodated in the shaft inner cavity of the main shaft sleeve, the end of the main shaft sleeve is combined with the connecting cover, and the shaft body of the vertical spindle is positioned and fixed by the central positioning shaft hole of the connecting cover, and the oil cooling outer sleeve is fixed on the connecting cover, and the stator and rotor oil cooling inner sleeve shaft sleeve is fixed in the oil cooling outer sleeve, and The vertical spindle passes through the stator and rotor assembly in the oil-cooled inner sleeve sleeve, and the oil-cooled outer sleeve is fixedly combined with the oil-cooled outer sleeve cover, and one side of the vertical spindle is fixedly combined with the fixing portion of the encoder seat provided in the shaft hole of the oil-cooled outer sleeve cover, and the central cooling water inlet and guide holes of the encoder seat are respectively connected with the central water outlet pipe and the electric control line channel provided on the vertical spindle, and the outer cover is fixedly arranged on the outside of the oil-cooled outer sleeve cover, and the through hole provided on the outer cover is opposite to the guide joint provided on the central cooling water inlet of the encoder seat, and the guide joint is connected with the water tank pump; An ultrasonic oscillator, the ultrasonic oscillator is provided with a connecting end, a fixing end and a body, the body has a holding ring at the upper and lower positions of the side edge, wherein the ultrasonic oscillator is accommodated in a built-in groove of the port provided on the vertical spindle of the static pressure main shaft, and the holding ring is provided with a gap and can be slightly moved against the wall surface of the built-in groove of the port; A grinding wheel base, the grinding wheel base is provided with a plurality of water guide channels and a central fixing portion, wherein the central fixing portion is fixed to the fixing end of the ultrasonic oscillator; and An electric control group, the electric control group is provided with a control box and a frequency adjuster which are connected to each other, the control box is provided with a wire, wherein the wire passes through a number of guide holes provided in an encoder seat of an axial hole provided in an oil-cooled outer sleeve cover of a hydrostatic spindle, and passes through an electric control line channel provided in a vertical spindle, and is connected to a conducting end of the ultrasonic oscillator.

2. The ultrasonically driven hydrostatic spindle structure for a grinding machine according to claim 1, characterized in that: The inner wall of the main shaft sleeve is provided with several hydrostatic suspension ring oil grooves, and the near end of the main shaft sleeve is provided with several lateral hydrostatic oil passage guide ports and several hydrostatic oil axial guide pipes, the lateral hydrostatic oil passage guide ports are connected with the hydrostatic oil axial guide pipes, and the hydrostatic oil axial guide pipes are connected with several hydrostatic suspension ring oil grooves provided in the inner wall of the shaft, and the connecting cover is provided with several hydrostatic oil guide oil passages, and the several hydrostatic oil guide oil passages are connected with the wall of the central positioning shaft hole, wherein the several hydrostatic oil guide oil passages of the connecting cover are connected with the lateral hydrostatic oil passages provided on the main shaft sleeve. The static pressure oil circuit guide port is connected, and the lateral static pressure oil circuit guide port of the main shaft sleeve is connected to the oil tank pump, and the axial inner cavity of the main shaft sleeve is provided with several static pressure suspension ring oil grooves relative to the surface of the vertical spindle, wherein the oil tank pump circulates the hydraulic oil into several static pressure oil axial guide pipes and several static pressure oil guide oil channels through the lateral static pressure oil circuit guide port, and is led out from several static pressure suspension ring oil grooves and the wall of the central positioning shaft hole, so that the hydraulic oil forms a static pressure suspension state in the axial inner cavity of the main shaft sleeve and the central positioning shaft hole of the connecting cover with the vertical spindle.

3. The ultrasonically driven hydrostatic spindle structure for a grinding machine according to claim 1, characterized in that: Several lateral static pressure oil circuit guide ports of the main shaft sleeve are respectively fixed with a static pressure oil circuit sensor reader, and the static pressure oil circuit sensor reader is wirelessly connected to the control box of the electronic control group to detect the data of hydraulic oil introduction, and transmit the detection data back to the control box for recording and interpretation.

4. The ultrasonically driven hydrostatic spindle structure for a grinding machine according to claim 1, characterized in that: At least two oil cooling ports are provided on the end side surface of the stator and rotor oil-cooling inner sleeve sleeve, and the outer surface of the stator and rotor oil-cooling inner sleeve sleeve is spirally and recessed with an outer diameter circulating oil cooling annulus, and the outer diameter circulating oil cooling annulus is communicated with the oil cooling port, and the oil cooling outer sleeve cover is provided with several oil cooling ports, one side of the oil cooling port of the oil cooling outer sleeve cover is communicated with the oil cooling port provided on the stator and rotor oil-cooling inner sleeve sleeve, and the other side of the oil cooling port is connected to the oil tank pump, wherein the oil tank pump introduces the cooled hydraulic oil into the oil cooling port provided on the stator and rotor oil-cooling inner sleeve sleeve through the oil cooling port, and circulates the oil into the outer diameter circulating oil cooling annulus to cool the rotor group set in the stator and rotor oil-cooling inner sleeve sleeve.

5. The ultrasonically driven hydrostatic spindle structure for a grinding machine according to claim 4, characterized in that: The oil-cooling inlet of the stator and rotor oil-cooling inner sleeve is fixedly provided with an oil-cooling oil circuit sensor reader, and the oil-cooling inlet of the oil-cooling outer sleeve cover is provided with an oil-cooling oil inlet sensor reader. The oil-cooling oil circuit sensor reader and the oil-cooling oil inlet sensor reader are wirelessly connected to the control box of the electronic control group to detect the data of the cooling hydraulic oil introduction, and transmit the detection data back to the control box for recording and interpretation.

6. The ultrasonically driven hydrostatic spindle structure for a grinding machine according to claim 1, characterized in that: The static pressure spindle is further connected to a wireless transmission module, which provides an encoder seat provided on the shaft hole of the oil-cooled outer sleeve cover for wireless transmission and reception of detection signals.

7. The ultrasonically driven hydrostatic spindle structure for a grinding machine according to any one of claims 1 to 6, characterized in that: The hydrostatic spindle is combined with the grinding wheel seat, and the hydrostatic spindle can provide a central water outlet relative to the grinding wheel seat to cool and remove chips from the grinding wheel seat, and the ultrasonic oscillator is fixed on the grinding wheel seat and accommodated in the hydrostatic spindle. The ultrasonic oscillator is controlled by the electric control group to adjust the oscillation frequency. When the hydrostatic spindle drives the grinding wheel seat to grind, the ultrasonic oscillator provides the grinding wheel seat with oscillation, so that the grinding wheel seat performs rotational grinding and impact grinding.

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