CN114083009A

CN114083009A - Servo sword tower of accurate digit control machine tool

Info

Publication number: CN114083009A
Application number: CN202111581557.5A
Authority: CN
Inventors: 刘伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-02-25

Abstract

The invention discloses a precise numerical control machine tool servo turret which comprises a bearing seat, a motor and a cutter head, wherein a rotating rod is rotatably connected between the inner walls of two opposite sides of the bearing seat, the position close to the bottom is connected with the inner wall of the two opposite sides of the bearing seat through a bearing, the outer wall of the rotating rod is fixedly connected with a driven gear, the inner wall of one side of the bearing seat is rotatably connected with a rotating shaft through a bearing, the outer wall of one side of the rotating shaft is fixedly connected with a driving gear, the driving gear is meshed with the driven gear, the motor is connected with the bearing seat through a bolt, one end of the motor is fixedly connected with the rotating shaft, and the outer wall of one side of the cutter head is fixedly connected with a fixed shaft. The servo tool turret structure can prevent the servo tool turret from shaking due to vibration, so that deviation is caused to the machining of parts, the servo tool turret can be disassembled and assembled, the servo tool turret can be maintained conveniently, the driving gear and the driven gear can be lubricated conveniently, and the phenomenon that the driving gear and the driven gear are blocked when being meshed is prevented.

Description

Servo sword tower of accurate digit control machine tool

Technical Field

The invention relates to the field of numerical control machine tools, in particular to a servo turret of a precise numerical control machine tool.

Background

The numerical control machine tool is an automatic machine tool provided with a program control system, can move and machine parts according to a programmed program, integrates the technologies of machinery, automation, computers, microelectronics and the like, solves the machining problem of complex, precise and small-batch parts, and is a flexible and high-efficiency automatic machine tool.

The turret is a core functional component of a numerical control machining center, and is mainly used for mounting a cutter and realizing functions of turning, milling and the like. The main structure of the turret comprises a main box body, a bearing seat fixed on the main box body and a cutter head sleeved at the end part of the bearing seat, wherein a main shaft for mounting tools is arranged on the cutter head, a driving assembly (the driving assembly is composed of a motor and a speed reducer) for driving the cutter head to change the position is arranged on the main box body, a driving shaft for driving the main shaft to rotate is arranged in the bearing seat, and the main motor drives the driving shaft to work through a transmission mechanism.

The digit control machine tool can produce the vibration at the during operation, and current servo turret stability is relatively poor, consequently, can shake along with the vibration of lathe when servo turret during operation to cause the deviation to the processing of part, consequently, the urgent need a precision digit control machine tool servo turret solves this type of problem.

Disclosure of Invention

The invention aims to solve the defect that the existing patrol unmanned aerial vehicle does not have an anti-fog function and the fog can interfere the patrol of the unmanned aerial vehicle, and provides a servo turret of a precise numerical control machine.

In order to achieve the purpose, the invention adopts the following technical scheme:

a servo tool turret of a precision numerical control machine tool comprises a bearing seat, a motor and a cutter head, wherein a rotating rod is rotatably connected at a position close to the bottom between two opposite side inner walls of the bearing seat through a bearing, a driven gear is fixedly connected with the outer wall of the rotating rod, a rotating shaft is rotatably connected at one side inner wall of the bearing seat through a bearing, a driving gear is fixedly connected with one side outer wall of the rotating shaft, the driving gear is meshed with the driven gear, the motor is connected with the bearing seat through a bolt, one end of the motor is fixedly connected with the rotating shaft, a fixed shaft is fixedly connected with one side outer wall of the cutter head, a supporting rod is fixedly connected with one side outer wall of the fixed shaft, a positioning ring is fixedly connected with one side outer wall of the fixed shaft, a plurality of accommodating grooves are formed in the outer wall of the positioning ring, a first spring is fixedly connected with the bottom inner wall of each accommodating groove, and a positioning block is fixedly connected with one side outer wall of the first spring, the fixing groove is formed in the outer wall of one side of the rotating rod, the positioning groove is formed in the outer wall of one side of the rotating rod, the fixing groove is located inside the positioning groove, a plurality of positioning holes are formed in the inner wall of the top of the positioning groove and are matched with the positioning blocks, the positioning grooves are matched with the positioning rings, a fixing mechanism is arranged inside the positioning grooves and comprises a supporting plate, an air cushion and a fixed air bag, the air cushion is located between the supporting plate and the positioning grooves, an air pipe is arranged between the air cushion and the fixed air bag, a connecting plate is fixedly connected to the inner wall of the fixing groove, and the connecting plate is bonded with the fixed air bag.

Preferably, one side outer wall of fixed gasbag is provided with a plurality of beads, and bead and fixed gasbag are anti-skidding elastic material.

Preferably, a second spring is fixedly connected between the supporting plate and the positioning groove.

Preferably, the inside of fixed slot is provided with clamping mechanism, and clamping mechanism includes two splint, supporting seat and connecting rod, and the both ends of connecting rod respectively with through hinged joint between supporting seat and the fixed slot, the connecting rod comprises two connecting axles, forms through the bearing between two connecting axles and rotates the connection, fixedly connected with third spring between splint and the fixed slot, one side outer wall of splint is provided with a plurality of lugs.

Preferably, the equal fixedly connected with support frame of both sides inner wall of fixed slot, and be connected with the balance plate through the bearing rotation between the relative both sides outer wall of support frame, the both sides outer wall of balance plate respectively with splint and connecting rod between the contact.

Preferably, the outer wall of one side of supporting seat and the equal fixedly connected with first magnet of one side inner wall of fixed slot, and mutual repulsion between two first magnet.

Preferably, one side of bearing frame top inner wall is provided with lubricated mechanism, and lubricated mechanism includes oil storage bag and spray tube, through flange joint between oil storage bag and the spray tube, and the oil storage bag is the elasticity material, and the inside packing of oil storage bag has lubricating oil, and the top outer wall of oil storage bag is provided with the glib talker, and the inner wall of glib talker is provided with the sealing plug, and the collecting vat has been seted up to the bottom outer wall of bearing frame, and the oil drain port has been seted up to the bottom inner wall of collecting vat.

Preferably, the bottom outer wall of oil storage bag bonds and has the fixed plate, and the equal fixedly connected with second magnet of bottom outer wall of fixed plate and one side outer wall of bull stick, mutual repulsion between two second magnets.

The invention has the beneficial effects that:

1. the servo turret can be fixed through the arranged fixing mechanism so as to improve the stability of the servo turret during working and prevent the servo turret from shaking due to vibration to cause deviation on processing of parts, meanwhile, the servo turret can be disassembled and installed so as to be convenient for maintenance of the servo turret, when the servo turret is installed, the positioning ring is installed inside the positioning groove, when the positioning ring is contacted with the supporting plate, the supporting plate can slide to one side due to extrusion of the positioning ring on the supporting plate, at the moment, the supporting plate can extrude the air cushion, the air in the air cushion can be conveyed to the inside of the fixing air bag through the air pipe, the fixing air bag can be bulged due to input of the air, at the moment, the bulged fixing air bag can act on the surface of the supporting rod, so that the supporting rod can be fixed through extrusion of the fixing air bag, when the servo turret is disassembled, the positioning block is pressed, so that the positioning ring falls off from the inside of the positioning groove, the supporting plate slides in the opposite direction under the action of the second spring, at the moment, gas in the fixed air bag flows back to the inside of the air cushion through the air pipe, the supporting rod and the cutter head are convenient to disassemble, and the convenience in disassembling and assembling the servo turret is improved;

2. through the clamping mechanism, when the servo turret is installed, one end of the supporting rod is contacted with the supporting seat, the supporting seat moves towards one side along with the continuous movement of the supporting rod, the supporting seat can be extruded towards one side, the connecting rod can be pressurized when the supporting seat moves, the connecting rod can be unfolded towards two sides and acts on one side of the balance plate after being pressurized, one side of the balance plate can deviate towards one side under the action of the connecting rod, the other side of the balance plate can move towards the opposite direction, the other side of the balance plate can act on the clamping plate, the clamping plate can act on the supporting rod due to the extrusion action of the balance plate, so that the supporting rod is clamped through the clamping plate, the supporting rod is further fixed, the problem that the stability of the servo turret is poor due to the vibration generated when a machine tool works is avoided, and the influence on the processing of parts is caused, in addition, the friction force between the clamping plate and the supporting rod can be increased through the arrangement of the convex blocks, so that the supporting rod is convenient to further fix, and the stability of the servo turret is improved;

3. through the lubricating mechanism, when the rotating rod rotates, because the two second magnets repel each other, the distance between the two second magnets gradually approaches along with the rotation of the rotating rod, the second magnets on the fixed plate move upwards under the action of the repulsion force, the oil storage bag is extruded at the moment, the lubricating oil in the oil storage bag is sprayed out through the spray pipe due to the pressure, so that the lubricating oil acts between the driving gear and the driven gear, the driving gear and the driven gear are lubricated conveniently, the phenomenon that the driving gear and the driven gear are blocked when being meshed is prevented, the working of the servo cutter tower is influenced, the distance between the two second magnets gradually increases along with the continuous rotation of the rotating rod, the oil storage bag moves downwards under the action of gravity, and the pressure in the oil storage bag is reduced at the moment, the oil spout pipe can stop the oil spout to can improve driving gear and driven gear's lubricated effect through intermittent type formula oil spout, prevent that the more of lubricating oil injection from causing the waste.

Drawings

FIG. 1 is a schematic structural diagram of a servo turret of a precision numerical control machine tool according to the present invention;

FIG. 2 is a schematic cross-sectional view of a servo turret of a precision numerical control machine tool according to the present invention;

FIG. 3 is a schematic view of a partial structure of a servo turret of a precision numerical control machine tool according to the present invention;

FIG. 4 is a schematic structural diagram of a fixing mechanism of a servo turret of a precision numerical control machine tool according to the present invention;

FIG. 5 is a schematic view of a drawing slot structure of a servo turret of a precision numerical control machine according to the present invention;

FIG. 6 is a schematic structural view of a clamping mechanism of a servo turret of a precision numerical control machine tool according to the present invention;

FIG. 7 is a schematic structural view of a servo turret of a precision numerical control machine tool according to the present invention at position A;

fig. 8 is a schematic structural diagram of a lubricating mechanism of a servo turret of a precision numerical control machine tool according to the present invention.

In the drawings: 1-a cutter head; 2-bearing seat; 3, a motor; 4, fixing a shaft; 5-a support rod; 6-a fixing mechanism; 7-a clamping mechanism; 8-rotating the rod; 9-a driven gear; 10-a drive gear; 11-a rotating shaft; 12-a lubricating mechanism; 13-a positioning ring; 14-positioning blocks; 15-positioning grooves; 16-a fixed groove; 17-positioning holes; 18-a first spring; 19-air cushion; 20-a support plate; 21-a second spring; 22-a connecting plate; 23-fixing the air bag; 24-a bead; 25-trachea; 26-a splint; 27-a third spring; 28-a balancing plate; 29-a support frame; 30-a connecting rod; 31-a first magnet; 32-a support base; 33-bumps; 34-a fixed plate; 35-a nozzle tip; 36-an oil reservoir bladder; 37-a second magnet; 38-nozzle.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements are in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3 and 5-7, a precise numerical control machine tool servo turret comprises a bearing seat 2, a motor 3 and a cutter head 1, wherein a rotating rod 8 is rotatably connected between the inner walls of two opposite sides of the bearing seat 2 near the bottom through a bearing, the outer wall of the rotating rod 8 is connected with a driven gear 9 through a bolt, the inner wall of one side of the bearing seat 2 is rotatably connected with a rotating shaft 11 through a bearing, the outer wall of one side of the rotating shaft 11 is connected with a driving gear 10 through a bolt, the driving gear 10 is meshed with the driven gear 9, the motor 3 is connected with the bearing seat 2 through a bolt, one end of the motor 3 is fixedly connected with the rotating shaft 11, the outer wall of one side of the cutter head 1 is connected with a fixed shaft 4 through a bolt, the outer wall of one side of the fixed shaft 4 is connected with a support rod 5 through a bolt, the outer wall of one side of the fixed shaft 4 is connected with a positioning ring 13 through a bolt, and the outer wall of the positioning ring 13 is provided with a plurality of accommodating grooves, the inner wall of the bottom of the accommodating groove is connected with a first spring 18 through a bolt, one outer wall of one side of the first spring 18 is connected with a positioning block 14 through a bolt, one outer wall of one side of the rotating rod 8 is provided with a fixing groove 16, one outer wall of one side of the rotating rod 8 is provided with a positioning groove 15, the fixing groove 16 is positioned inside the positioning groove 15, the inner wall of the top of the positioning groove 15 is provided with a plurality of positioning holes 17, the positioning holes 17 are matched with the positioning block 14, the positioning groove 15 is matched with the positioning ring 13, the inside of the positioning groove 15 is provided with a fixing mechanism 6, the fixing mechanism 6 comprises a supporting plate 20, an air cushion 19 and a fixing air bag 23, the air cushion 19 is positioned between the supporting plate 20 and the positioning groove 15, an air pipe 25 is arranged between the air cushion 19 and the fixing air bag 23, the inner wall of the fixing groove 16 is connected with a connecting plate 22 through a bolt, the connecting plate 22 is bonded with the fixing air bag 23, when the servo turret is installed, the positioning ring 13 is installed inside the positioning groove 15, meanwhile, the positioning block 14 is clamped inside the positioning hole 17, when the positioning ring 13 contacts the supporting plate 20, the supporting plate 20 slides to one side due to the extrusion of the positioning ring 13 to the supporting plate 20, at this time, the supporting plate 20 extrudes the air cushion 19, the air inside the air cushion 19 is conveyed to the inside of the fixed air bag 23 through the air pipe 25, the fixed air bag 23 is expanded due to the input of the air, at this time, the expanded fixed air bag 23 acts on the surface of the supporting rod 5, so that the supporting rod 5 is fixed by the extrusion of the fixed air bag 23, so as to improve the stability of the supporting rod 5, thereby improving the stability of the servo turret, preventing the servo turret from shaking due to vibration, thereby causing deviation in processing of parts, when the servo turret is disassembled, by pressing the positioning block 14, therefore, the positioning ring 13 falls off from the inside of the positioning groove 15, the supporting plate 20 slides in the opposite direction under the action of the second spring 21, and at the moment, the gas inside the fixed air bag 23 flows back to the inside of the air cushion 19 through the air pipe 25, so that the supporting rod 5 and the cutter head 1 can be conveniently disassembled in and out, and the convenience in disassembling and assembling the servo turret is improved.

On the basis, the outer wall of one side of the fixed air bag 23 is provided with a plurality of ribs 24, the ribs 24 and the fixed air bag 23 are made of anti-skidding elastic materials, the friction force between the fixed air bag (23) and the supporting rod 5 can be increased, and therefore the supporting rod 5 can be further fixed.

In the present invention, a second spring 21 is connected between the support plate 20 and the positioning groove 15 by a bolt.

The working principle is as follows: when the servo turret is installed, the positioning ring 13 is installed inside the positioning groove 15, meanwhile, the positioning block 14 is clamped inside the positioning hole 17, when the positioning ring 13 contacts the supporting plate 20, the supporting plate 20 slides to one side due to the extrusion of the positioning ring 13 to the supporting plate 20, at this time, the supporting plate 20 extrudes the air cushion 19, the air inside the air cushion 19 is conveyed to the inside of the fixed air bag 23 through the air pipe 25, the fixed air bag 23 is expanded due to the input of the air, at this time, the expanded fixed air bag 23 acts on the surface of the supporting rod 5, so that the supporting rod 5 is fixed by the extrusion of the fixed air bag 23, the stability of the supporting rod 5 is improved, the stability of the servo turret is improved, the servo turret is prevented from shaking due to vibration, the deviation of parts processing is caused, when the servo turret is disassembled, through pressing locating piece 14, thereby make holding ring 13 drop from the inside of constant head tank 15, and backup pad 20 can slide to the opposite direction under the effect of second spring 21, at this moment, the inside gas of fixed gasbag 23 can flow back to the inside of air cushion 19 through trachea 25, thereby be convenient for to bracing piece 5 and the dismantlement of blade disc 1 business turn over, convenience when having improved servo turret dismouting, the installation is accomplished the back, starter motor 3, motor 3 can drive pivot 11 and rotate, thereby make driving gear 10 rotate, and then make driven gear 9 drive bull stick 8 rotate through the meshing, thereby make blade disc 1 carry out work.

Example 2

Referring to fig. 1-4, compared with embodiment 1, in embodiment 1, on the basis of embodiment 1, a clamping mechanism 7 is disposed inside a fixing groove 16, and the clamping mechanism 7 includes two clamping plates 26, a supporting seat 32 and a connecting rod 30, and two ends of the connecting rod 30 are respectively connected with the supporting seat 32 and the fixing groove 16 through hinges, the connecting rod 30 is composed of two connecting shafts, the two connecting shafts are rotatably connected through a bearing, a third spring 27 is connected between the clamping plate 26 and the fixing groove 16 through a bolt, a plurality of protrusions 33 are disposed on an outer wall of one side of the clamping plate 26, inner walls of two sides of the fixing groove 16 are respectively connected with a supporting frame 29 through bolts, a balance plate 28 is rotatably connected between outer walls of two opposite sides of the supporting frame 29 through a bearing, outer walls of two sides of the balance plate 28 are respectively contacted with the clamping plate 26 and the connecting rod 30, and a supporting rod 5 is clamped through the clamping plate 26, so that further fix bracing piece 5, prevent because the vibration that the lathe during operation produced leads to servo turret stability relatively poor to cause the influence to the processing of part, in addition, can increase the frictional force between splint 26 and the bracing piece 5 through setting up of lug 33, thereby be convenient for further fix bracing piece 5, improve servo turret's stability.

On the basis, the outer wall of one side of the supporting seat 32 and the inner wall of one side of the fixing groove 16 are both connected with the first magnets 31 through bolts, and the two first magnets 31 repel each other, so that when the servo turret is disassembled, the balance plate 28 can be restored through the repulsive force between the two first magnets 31, and the supporting rod 5 can be conveniently taken out from the inside of the fixing groove 16.

The working principle is as follows: when the servo turret is installed, one end of the support rod 5 contacts the support seat 32, and the support seat 32 moves to one side along with the continuous movement of the support rod 5, and the support seat 32 presses the connecting rod 30 when moving, the connecting rod 30 expands to both sides and acts on one side of the balance plate 28 after being pressed, at this time, one side of the balance plate 28 deflects to one side under the action of the connecting rod 30, and the other side of the balance plate 28 moves to the opposite direction, at this time, the other side of the balance plate 28 acts on the clamping plate 26, and the clamping plate 26 acts on the support rod 5 due to the pressing action of the balance plate 28, so that the support rod 5 is clamped through the clamping plate 26, thereby further fixing the support rod 5, preventing poor stability of the servo turret caused by vibration generated when a machine tool works, and further influencing the processing of parts, in addition, the friction force between the clamping plate 26 and the supporting rod 5 can be increased through the arrangement of the convex blocks 33, so that the supporting rod 5 is further fixed, and the stability of the servo turret is improved.

Example 3

Referring to fig. 1-2 and 8, a servo turret of precision numerical control machine tool, compare with embodiment 1, on embodiment 1's basis, one side of 2 top inner walls of bearing frame is provided with lubricating mechanism 12, and lubricating mechanism 12 includes oil storage bag 36 and spray tube 38, through flange joint between oil storage bag 36 and the spray tube 38, oil storage bag 36 is the elasticity material, the inside packing of oil storage bag 36 has lubricating oil, the top outer wall of oil storage bag 36 is provided with glib talker 35, the inner wall of glib talker 35 is provided with the sealing plug, the collecting vat has been seted up to the bottom outer wall of bearing frame 2, the oil drain has been seted up to the bottom inner wall of collecting vat, be convenient for lubricate driving gear 10 and driven gear 9 and handle, prevent dead phenomenon of card from appearing when driving gear 10 and driven gear 9 mesh, thereby cause the influence to the work of servo turret.

On the basis, the fixing plate 34 is bonded on the outer wall of the bottom of the oil storage bag 36, the outer wall of the bottom of the fixing plate 34 and the outer wall of one side of the rotating rod 8 are connected with the second magnets 37 through bolts, the two second magnets 37 repel each other, the lubricating effect of the driving gear 10 and the driven gear 9 can be improved through intermittent oil injection, and waste caused by more lubricating oil injection is prevented.

The working principle is as follows: when the rotating rod 8 rotates, because the two second magnets 37 repel each other, as the rotating rod 8 rotates, the distance between the two second magnets 37 gradually approaches, the second magnets 37 on the fixing plate 34 move upwards under the action of the repulsion force, at this time, the oil storage bag 36 is squeezed, and the lubricating oil inside the oil storage bag 36 is sprayed out through the spray pipe 38 due to the pressure, so that the lubricating oil acts between the driving gear 10 and the driven gear 9, thereby facilitating the lubricating treatment of the driving gear 10 and the driven gear 9, preventing the driving gear 10 and the driven gear 9 from being stuck when being meshed, thereby affecting the operation of the servo turret, and as the rotating rod 8 continues to rotate, the distance between the two second magnets 37 gradually increases, the oil storage bag 36 moves downwards under the action of gravity, at this time, the pressure inside the oil storage bag 36 is reduced, and the oil injection pipe 36 stops oil injection, so that the lubricating effect of the driving gear 10 and the driven gear 9 can be improved through intermittent oil injection, and more lubricating oil is prevented from being wasted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a servo turret of precision numerical control machine tool, includes bearing frame (2), motor (3) and blade disc (1), the position that is close to the bottom between the relative both sides inner wall of bearing frame (2) is rotated through the bearing and is connected with bull stick (8), and the outer wall fixedly connected with driven gear (9) of bull stick (8), one side inner wall of bearing frame (2) is rotated through the bearing and is connected with pivot (11), and one side outer wall fixedly connected with driving gear (10) of pivot (11), and mesh between driving gear (10) and driven gear (9), pass through bolted connection between motor (3) and bearing frame (2), fixed connection between one end of motor (3) and pivot (11), its characterized in that, one side outer wall fixedly connected with fixed axle (4) of blade disc (1), and one side outer wall fixedly connected with bracing piece (5) of fixed axle (4), one side outer wall fixedly connected with holding ring (13) of fixed axle (4), and the outer wall of holding ring (13) has seted up a plurality of grooves of accomodating, accomodate the first spring of bottom inner wall fixedly connected with (18) in groove, and one side outer wall fixedly connected with locating piece (14) of first spring (18), fixed slot (16) have been seted up to one side outer wall of bull stick (8), constant head tank (15) have been seted up to one side outer wall of bull stick (8), and fixed slot (16) are located the inside of constant head tank (15), a plurality of locating holes (17) have been seted up to the top inner wall of constant head tank (15), and looks adaptation between locating hole (17) and locating piece (14), looks adaptation between constant head tank (15) and holding ring (13), the inside of constant head tank (15) is provided with fixed establishment (6), and fixed establishment (6) including backup pad (20), The air cushion (19) is positioned between the supporting plate (20) and the positioning groove (15), an air pipe (25) is arranged between the air cushion (19) and the fixing air bag (23), the inner wall of the fixing groove (16) is fixedly connected with a connecting plate (22), and the connecting plate (22) is bonded with the fixing air bag (23).

2. The servo turret of a precision numerical control machine tool according to claim 1, wherein the outer wall of one side of the fixed air bag (23) is provided with a plurality of ribs (24), and the ribs (24) and the fixed air bag (23) are made of anti-skid elastic material.

3. The servo turret of a precision numerical control machine according to claim 1, wherein a second spring (21) is fixedly connected between the supporting plate (20) and the positioning groove (15).

4. The servo turret of a precise numerical control machine according to claim 1, wherein the clamping mechanism (7) is disposed inside the fixing groove (16), the clamping mechanism (7) comprises two clamping plates (26), a supporting seat (32) and a connecting rod (30), two ends of the connecting rod (30) are respectively connected with the supporting seat (32) and the fixing groove (16) through hinges, the connecting rod (30) comprises two connecting shafts, the two connecting shafts are rotatably connected through a bearing, a third spring (27) is fixedly connected between the clamping plate (26) and the fixing groove (16), and a plurality of protrusions (33) are disposed on one side of an outer wall of the clamping plate (26).

5. The servo turret of a precise numerical control machine according to claim 4, wherein the inner walls of the two sides of the fixing groove (16) are fixedly connected with a supporting frame (29), the outer walls of the two opposite sides of the supporting frame (29) are rotatably connected with a balance plate (28) through a bearing, and the outer walls of the two sides of the balance plate (28) are respectively contacted with the clamping plate (26) and the connecting rod (30).

6. The servo turret of a precision numerical control machine tool according to claim 4, wherein the first magnet (31) is fixedly connected to both one side outer wall of the supporting seat (32) and one side inner wall of the fixing groove (16), and the two first magnets (31) repel each other.

7. The servo turret of the precise numerical control machine tool according to claim 1, wherein a lubricating mechanism (12) is arranged on one side of the inner wall of the top of the bearing seat (2), the lubricating mechanism (12) comprises an oil storage bag (36) and a spray pipe (38), the oil storage bag (36) is connected with the spray pipe (38) through a flange, the oil storage bag (36) is made of elastic materials, lubricating oil is filled in the oil storage bag (36), an oil nozzle (35) is arranged on the outer wall of the top of the oil storage bag (36), a sealing plug is arranged on the inner wall of the oil nozzle (35), a collecting groove is formed in the outer wall of the bottom of the bearing seat (2), and an oil drain port is formed in the inner wall of the bottom of the collecting groove.

8. The servo turret of a precision numerical control machine according to claim 7, wherein the fixing plate (34) is bonded to the outer wall of the bottom of the oil storage bag (36), the second magnet (37) is fixedly connected to the outer wall of the bottom of the fixing plate (34) and the outer wall of one side of the rotating rod (8), and the two second magnets (37) repel each other.