CN220839141U

CN220839141U - Multi-axis numerical control machine tool

Info

Publication number: CN220839141U
Application number: CN202322580585.6U
Authority: CN
Inventors: 董服德
Original assignee: Shanghai Xingdao Engineering Technology Co ltd
Current assignee: Shanghai Xingdao Engineering Technology Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-04-26
Anticipated expiration: 2033-09-22

Abstract

The utility model provides a multi-axis numerical control machine tool, and belongs to the technical field of machinery. The multi-station numerical control machine tool solves the problems of high cost and the like of the existing multi-station numerical control machine tool. The multi-axis numerical control machine tool comprises a frame, wherein a workbench with multi-station indexing rotation is arranged on the frame, clamps corresponding to each station are arranged on the workbench, mounting seats surrounding the workbench and located outside the corresponding stations are arranged on the frame, the number of the clamps is one more than that of the mounting seats to reserve feeding and discharging work, a processing cutter driven by a coordinate system linkage mechanism is arranged on the mounting seats, driving parts for driving the corresponding clamps to rotate are fixedly connected on the workbench, each driving part is provided with a cable, a wiring mechanism is arranged on the workbench and comprises fixed power supply modules corresponding to the stations, and the wiring mechanism is used for connecting the cables of each driving part and realizing indexing on-off of the cables of each driving part and each power supply module. The utility model has the advantages of low manufacturing cost, small volume, wide application range and the like.

Description

Multi-axis numerical control machine tool

Technical Field

The utility model belongs to the technical field of machinery, and relates to a machine tool, in particular to a multi-axis numerical control machine tool.

Background

The numerical control machine tool is an indispensable part machining device in the whole mechanical industry, and in the past, the numerical control machine tool machines a workpiece through a single machine head, and the machining efficiency is low, so that a plurality of machine tool manufacturers push out a multi-station numerical control machine tool at present, and some machine tool manufacturers also apply for patents.

For example, chinese patent literature data discloses a rotary table numerically controlled multi-station machine tool [ application number: 201220673548.9; authorized bulletin number: CN202963394U ], it is equipped with the disc rotary table on the rotary table base, eight stations are equispaced on the disc rotary table circumference, once along clockwise: the automatic boring machine comprises an upper blanking station, a rough boring shock absorber hole station, a fine boring shock absorber hole station, a countersink plane, a drilling M6 bottom hole station, a milling small taper hole two-plane station, a drilling M6 screw hole station, a reaming ABS hole station, a milling G reference station and a facing station, wherein hydraulic clamps for clamping a machined workpiece are arranged at each station on a disc rotary table, a side lathe bed is arranged at the position, corresponding to each machining station, of the outer circumference of the disc rotary table, a numerical control sliding table is arranged on the side lathe bed, a power head is arranged on the numerical control sliding table, and a cutter is arranged on a power head main shaft through a connecting handle.

The Chinese patent literature data also discloses a multi-station automatic indexing combined numerical control machine tool [ application number: 201320110261.X; authorized bulletin number: CN203197566U, it includes fuselage, workstation, driving motor, processing aircraft nose and worker anchor clamps, and the workstation is the workstation of the multistation graduation gyration of installing on the fuselage, is equipped with the worker anchor clamps that correspond each station on this workstation of graduation gyration, and processing aircraft nose has at least two, and this at least two processing aircraft nose is around installing in the periphery of workstation according to the processing procedure order of work piece, and every processing aircraft nose all sets up corresponding with a station.

The rotary workbench numerical control multi-station machine tool and the multi-station automatic indexing combined numerical control machine tool can realize one-time clamping, finish the machining of the whole process, have high machining efficiency and machining precision, are the same as the existing other multi-station numerical control machine tools, realize multi-station machining in a mode of arranging a power head (a machining machine head) on the periphery through a workbench mounting clamp, have high cost, enable the manufacturing cost of the whole machine to be high, have a motor and a transmission mechanism, have larger volume, and are suitable for machining of drilling, reaming, tapping and edge milling, and have a small application range.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a multi-axis numerical control machine tool with low manufacturing cost, small volume and wide application range.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a multiaxis digit control machine tool, includes the frame, the frame on be equipped with the workstation of multistation graduation gyration, the workstation on be equipped with the anchor clamps that correspond each station, its characterized in that, the frame on be equipped with around the workstation and be located the mount pad in the corresponding station outside, the quantity of anchor clamps more than the mount pad in order to reserve the work of unloading, the mount pad on be equipped with the processing cutter by coordinate system link gear driven, the workstation on link firmly and drive corresponding anchor clamps rotatory driving piece, each driving piece all has the cable, the workstation on be equipped with wiring mechanism, wiring mechanism includes the fixed power module that corresponds each station, wiring mechanism supplies the cable of each driving piece to connect and realize the graduation break-make of cable and each power module.

In the multi-axis numerical control machine tool, the wiring mechanism comprises a stand column, the stand column passes through the center of the workbench and is fixedly connected with the rack, the stand column is fixedly connected with a cylindrical insulating cylinder which is insulated, the power supply module comprises an external wiring and a plurality of power supply metal blocks which are connected with the external wiring, the power supply metal blocks of each group are longitudinally arranged and circumferentially embedded in the outer wall of the insulating cylinder, the workbench is fixedly connected with connecting rods corresponding to the power supply metal blocks of each group, a plurality of positioning clamps are fixedly connected on each connecting rod, the positioning clamps are hinged with metal contact blocks connected with cables of corresponding driving pieces, and elastic pieces which provide elasticity to enable the metal contact blocks to keep in contact with the power supply metal blocks and the outer wall trend of the insulating cylinder are arranged between the positioning clamps and the metal contact blocks.

In the multi-axis numerical control machine tool, the elastic piece is a tension spring positioned at the inner side of the hinge joint of the positioning clamp and the metal contact block, one end of the tension spring is fixedly connected with the positioning clamp, and the other end of the tension spring is fixedly connected with the metal contact block.

In the multi-axis numerical control machine tool, the column is sleeved with the cylindrical protective cover, the protective cover covers the wiring mechanism, the top of the protective cover covers the top cover, the top of the protective cover covers the bottom cover, each connecting rod penetrates through the top cover and the bottom cover, and the connecting rods are in threaded connection with nuts for supporting the bottom of the bottom cover and nuts pressed on the top of the top cover.

In another aspect, in the multi-axis numerical control machine tool, the wiring mechanism includes a stand, the stand passes through the center of the workbench and is fixedly connected with the frame, the stand is fixedly connected with a first annular insulating ring, the power supply module includes an external wiring and a plurality of power supply metal blocks connected with the external wiring, each group of power supply metal blocks are circumferentially embedded on the bottom surface of the first insulating ring, a second annular insulating ring is arranged below the insulating ring, the second insulating ring is fixedly connected with the workbench through a plurality of connecting rods, the top surface of the second insulating ring is embedded with metal contact blocks corresponding to each group of power supply metal blocks and connected with cables of corresponding driving pieces, and the second insulating ring is embedded with pressure springs for providing elasticity for each metal contact block so that each metal contact block keeps propping against the bottom surface of the first insulating ring and trend of the power supply metal blocks.

In the use process, each external wiring connected with the control box is a power supply metal block for supplying power, when the workbench rotates, the workbench drives each connecting rod to rotate, the metal contact block on the second insulating ring is separated from the power supply metal block of the corresponding station, the cable of the corresponding driving piece connected with each metal contact block is in a disconnection state, each driving piece stops working, after the workbench rotates to the station according to the indexing value, the metal contact block on the second insulating ring props against the power supply metal block of the corresponding station to supply power for each driving piece, each driving piece works at the rotating speed required by the corresponding station, and the compression spring ensures the working stability of the metal contact block.

In the multi-axis numerical control machine tool, the workbench is provided with the spindle boxes corresponding to each station, the spindles of each spindle box are connected with the clamps, the driving parts are motors fixedly connected to each spindle box, and the output ends of the motors are connected with the spindles through the gear reduction boxes or belt transmission or chain transmission.

In the multi-axis numerical control machine tool, the driving piece is an electric spindle, and the electric spindle is connected with the clamp.

In the multi-axis numerical control machine tool, the coordinate system linkage mechanism comprises two guide rails I which are vertically arranged and provided with mounting seats, a large carriage is arranged on the two guide rails I, the large carriage is provided with two guide rails II which are horizontally arranged, a small carriage is arranged on the two guide rails II, a tool rest for mounting a machining tool is fixedly connected onto the small carriage, the mounting seats are fixedly connected with a driving motor I, an output shaft of the driving motor I is vertically downward and fixedly connected with a screw rod I, a screw rod I is in threaded connection with a nut I fixedly connected with the large carriage, the large carriage is fixedly connected with a driving motor II, an output shaft of the driving motor II horizontally extends out and is fixedly connected with the screw rod II, and the screw rod II is in threaded connection with the nut II fixedly connected with the small carriage.

As another condition, in the multi-axis numerical control machine tool, the coordinate system linkage mechanism comprises two horizontally arranged slide rails I arranged at the top of the mounting seat, a sliding table is arranged on the slide rails I, the mounting seat is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a first screw rod parallel to the slide rails I, the first screw rod is in threaded connection with a first nut fixedly connected with the sliding table, two vertically arranged slide rails II are arranged on the sliding table, a first carriage is arranged on the slide rails II, the sliding table is fixedly connected with a second motor, an output shaft of the second motor is fixedly connected with a second screw rod parallel to the slide rails II, the second screw rod is in threaded connection with a second nut fixedly connected with the first carriage, two horizontally arranged slide rails III are arranged on the first carriage, the first carriage is fixedly connected with a third motor, an output shaft of the third motor is fixedly connected with a third screw rod parallel to the slide rails III, the third screw rod is in threaded connection with a third nut fixedly connected with the second carriage, and a tool rest for installing a machining tool is fixedly connected on the second carriage. Thus, the three-coordinate system of the processing tool X, Y, Z is fed, the application range is wide, and the processing effect is good.

Compared with the prior art, the multi-axis numerical control machine tool can meet the requirements of each station on different machining rotating speeds, can realize rough machining and finish machining of workpieces, is compact in structure and small in size, can realize turning, milling, drilling, reaming, tapping, cutting, boring and reaming of the workpieces, and is wide in application range.

Drawings

Fig. 1 is an exploded view of the structure of the present multi-axis numerical control machine tool.

Fig. 2 is a partial structure diagram of the multi-axis numerical control machine tool.

Fig. 3 is a schematic structural view of a wiring mechanism in the multi-axis numerical control machine tool.

Fig. 4 is a schematic diagram showing a structure of a wiring mechanism in the multi-axis numerical control machine tool in plan view.

In the figure, 1, a rack; 2. a work table; 3. a clamp; 4. a mounting base; 5. machining a cutter; 6. a driving member; 61. a cable; 7. a power supply module; 71. an external wiring; 72. a power supply metal block; 8. a column; 9. an insulating cylinder; 10. a connecting rod; 11. a positioning clamp; 12. a metal contact block; 13. a tension spring; 14. a protective cover; 15. a top cover; 16. a bottom cover; 17. a spindle box; 18. a motor; 19. a first guide rail; 20. a large carriage; 21. a second guide rail; 22. a small carriage; 23. a tool holder; 24. driving a first motor; 25. and driving a second motor.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the multi-axis numerical control machine tool comprises a frame 1, a workbench 2 with multi-station indexing rotation is arranged on the frame 1, clamps 3 corresponding to each station are arranged on the workbench 2, mounting seats 4 surrounding the workbench 2 and positioned outside the corresponding stations are arranged on the frame 1, the number of the clamps 3 is one more than that of the mounting seats 4 to reserve feeding and discharging work, a processing cutter 5 driven by a coordinate system linkage mechanism is arranged on the mounting seats 4, driving pieces 6 for driving the corresponding clamps 3 to rotate are fixedly connected on the workbench 2, each driving piece 6 is provided with a cable 61, a wiring mechanism is arranged on the workbench 2, the wiring mechanism comprises a fixed power supply module 7 corresponding to each station, and the cable 61 of each driving piece 6 is connected by the wiring mechanism and realizes indexing on-off of the cable 61 of each driving piece 6 and each power supply module 7.

According to the machining procedure of the workpiece, the multi-axis numerical control machine tool is provided with corresponding machining cutters 5 on each mounting seat 4; when the automatic feeding and discharging device is used, firstly, the clamp 3 of the feeding and discharging station is fed, then the workbench 2 rotates to pass through a station according to a set index value, the clamp 3 of the feeding and discharging station is brought to the station of the first process, the coordinate system linkage mechanism of the first process drives the processing cutter 5 to process workpieces, meanwhile, the clamp 3 of the feeding and discharging station is fed again, after the first process is finished, the workbench 2 rotates again, the workpieces of the feeding and discharging station are brought to the station of the first process, the workpieces of the first process are brought to the station of the second process, the coordinate system linkage mechanism of the first process and the coordinate system linkage mechanism of the second process drive the processing cutter 5 to respectively complete the processing of the first process and the second process, after the processing is finished, the workbench 2 rotates again, and the coordinate system linkage mechanism corresponding to the first process to the last process respectively realizes the simultaneous processing of the first process to the last process, the processing efficiency is high, after the workbench 2 rotates one circle, the processed workpieces are positioned again at the feeding and the discharging station, the workpieces are fed again, the workbench 2 rotates again, the workbench is good in precision, and all the workpieces can be processed uniformly, and the products can be processed and are clamped uniformly.

When the multi-axis numerical control machine tool is used, each power supply module 7 is always in a power supply state, in the rotating process of the workbench 2, the wiring mechanism enables the cable 61 of each driving piece 6 to be in a disconnection state, each driving piece 6 stops working, when the workbench 2 rotates to a station according to an indexing value, the wiring mechanism enables the cable 61 of each driving piece 6 to be communicated with each power supply module 7, each driving piece 6 drives the corresponding clamp 3 to rotate, indexing on-off of each driving piece 6 is achieved, the cable 61 of each driving piece 6 is prevented from being wound, each power supply module 7 is connected with an existing control box, the current and the voltage of the power supply module 7 are set through the control box, the rotating speed of each driving piece 6 can be set, and rough machining and finish machining of workpieces can be achieved; the multi-axis numerical control machine tool does not need to be provided with a power head, reduces the manufacturing cost, has compact structure and small volume, drives the clamp 3 to rotate, drives the processing cutter 5 by the coordinate system linkage mechanism, can realize the processing of turning, milling, drilling, reaming, tapping, cutting, boring and reaming on a workpiece, and has wide application range.

In further detail, in this embodiment, the wiring mechanism includes a column 8, the column 8 passes through the center of the workbench 2 and is fixedly connected with the frame 1, the column 8 is fixedly connected with a cylindrical insulating cylinder 9, the power supply module 7 includes an external wiring 71 and a plurality of power supply metal blocks 72 connected with the external wiring 71, each group of power supply metal blocks 72 are longitudinally arranged and circumferentially embedded in the outer wall of the insulating cylinder 9, the workbench 2 is fixedly connected with connecting rods 10 corresponding to each group of power supply metal blocks 72, each connecting rod 10 is fixedly connected with a plurality of positioning clamps 11, the positioning clamps 11 are hinged with metal contact blocks 12 connected with cables 61 of corresponding driving members 6, and elastic members for providing elasticity to enable the metal contact blocks 12 to keep contact with the power supply metal blocks 72 and the outer wall trend of the insulating cylinder 9 are arranged between the positioning clamps 11 and the metal contact blocks 12.

In the use process, each external connection wire 71 connected with the control box supplies power to the power supply metal block 72, when the workbench 2 rotates, the workbench 2 drives each connecting rod 10 to rotate, the metal contact block 12 on each connecting rod 10 is separated from the power supply metal block 72 of the corresponding station, the cable 61 of the corresponding driving piece 6 connected with each metal contact block 12 is in a disconnected state, each driving piece 6 stops working, after the workbench 2 rotates to the station according to the indexing value, the metal contact block 12 on each connecting rod 10 props against the power supply metal block 72 of the corresponding station to supply power to each driving piece 6, each driving piece 6 works at the rotating speed required by the corresponding station, and the elastic piece ensures the working stability of the metal contact block 12.

The elastic piece is a tension spring 13 positioned at the inner side of the hinge joint of the positioning clamp 11 and the metal contact block 12, one end of the tension spring 13 is fixedly connected with the positioning clamp 11, and the other end of the tension spring 13 is fixedly connected with the metal contact block 12. The tension spring 13 provides an elastic force so that the metal contact block 12 keeps in contact with the power supply metal block 72 and the outer wall of the insulating cylinder 9. Of course, in actual manufacturing, the elastic member may be an elastic piece located at the outer side of the hinge between the positioning clamp 11 and the metal contact block 12, one end of the elastic piece is fixedly connected with the positioning clamp 11 through a screw, the other end of the elastic piece is fixedly connected with the metal contact block 12 through a screw, and the elastic piece provides elastic force to enable the metal contact block 12 to keep in contact with the power supply metal block 72 and the outer wall trend of the insulating cylinder 9.

The column 8 is sleeved with a cylindrical protective cover 14, the protective cover 14 covers the wiring mechanism, the top of the protective cover 14 is covered with a top cover 15, the top of the protective cover 14 is covered with a bottom cover 16, each connecting rod 10 is arranged through the top cover 15 and the bottom cover 16, and each connecting rod 10 is connected with a nut supporting the bottom of the bottom cover 16 and a nut pressed on the top of the top cover 15 in a threaded manner. Therefore, the protection effect of the wire connecting mechanism is good, the wire connecting mechanism is prevented from being damaged, and the service life is prolonged.

The workbench 2 is provided with a spindle box 17 corresponding to each station, the spindle of each spindle box 17 is connected with a clamp 3, the driving piece 6 is fixedly connected with a motor 18 on each spindle box 17, and the output end of the motor 18 is connected with the spindle through a gear reduction box or belt transmission or chain transmission. The rotation speed of the motor 18 is controlled to achieve the purpose of adjusting the rotation speed of the clamp 3, the output end of the motor 18 drives the main shaft and the clamp 3 to rotate, and in the embodiment, the output end of the motor 18 is connected with the main shaft through belt transmission.

Of course, in practice, the driving member 6 may be an electric spindle, which is connected to the fixture 3. The structure is compact, the volume is small, and the installation and arrangement are convenient.

In this embodiment, the coordinate system linkage mechanism includes two vertically arranged rails one 19 provided with a mounting seat 4, a large carriage 20 is arranged on the two rails one 19, the large carriage 20 has two horizontally arranged rails two 21, a small carriage 22 is arranged on the two rails two 21, a tool rest 23 for mounting a processing tool 5 is fixedly connected on the small carriage 22, a first driving motor 24 is fixedly connected with the mounting seat 4, an output shaft of the first driving motor 24 is vertically downward and fixedly connected with a first screw rod, a first screw rod is in threaded connection with a first nut fixedly connected with the large carriage 20, the large carriage 20 is fixedly connected with a second driving motor 25, an output shaft of the second driving motor 25 horizontally extends out and is fixedly connected with a second screw rod, and a second screw rod is in threaded connection with a second nut fixedly connected with the small carriage 22. The first driving motor 24 drives the first screw rod to rotate, the first screw rod drives the first nut and the large carriage 20 to vertically lift along the first guide rail 19, the second driving motor 25 drives the second screw rod to rotate, the second screw rod drives the second nut and the small carriage 22 to horizontally displace along the second guide rail 21, and thus the feeding of the processing cutter 5 in the vertical and horizontal directions is realized, and the processing is convenient, high in precision and good in applicability.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a multiaxis digit control machine tool, includes frame (1), frame (1) on be equipped with workstation (2) of multistation graduation gyration, workstation (2) on be equipped with anchor clamps (3) of corresponding each station, its characterized in that, frame (1) on be equipped with around workstation (2) and be located mount pad (4) in the corresponding station outside, anchor clamps (3) quantity more than mount pad (4) in order to reserve the work of unloading, mount pad (4) on be equipped with by coordinate system link gear driven processing cutter (5), workstation (2) on link firmly drive corresponding anchor clamps (3) rotatory driving piece (6), each driving piece (6) all have cable (61), workstation (2) on be equipped with wiring mechanism, wiring mechanism supply module (7) of each station of correspondence fixed, wiring mechanism supplies cable (61) of each driving piece (6) to connect and realize the graduation of each driving piece (6) and each cable (7) power supply module.

2. The multi-axis numerical control machine tool according to claim 1, wherein the wiring mechanism comprises an upright (8), the upright (8) penetrates through the center of the workbench (2) and is fixedly connected with the rack (1), the upright (8) is fixedly connected with a cylindrical insulating cylinder (9) which is insulated, the power supply module (7) comprises an outer wiring (71) and a plurality of power supply metal blocks (72) which are connected with the outer wiring (71), the power supply metal blocks (72) of each group are longitudinally arranged and circumferentially embedded on the outer wall of the insulating cylinder (9), the workbench (2) is fixedly connected with connecting rods (10) corresponding to the power supply metal blocks (72) of each group, a plurality of positioning clamps (11) are fixedly connected on each connecting rod (10), the positioning clamps (11) are hinged with metal contact blocks (12) which are connected with cables (61) of corresponding driving pieces (6), and elastic pieces which provide elastic force to enable the metal contact blocks (12) to keep contact with the power supply metal blocks (72) and the outer wall of the insulating cylinder (9).

3. The multi-axis numerical control machine tool according to claim 2, wherein the elastic piece is a tension spring (13) positioned on the inner side of the hinge joint of the positioning clamp (11) and the metal contact block (12), one end of the tension spring (13) is fixedly connected with the positioning clamp (11), and the other end of the tension spring (13) is fixedly connected with the metal contact block (12).

4. A multi-axis numerical control machine according to claim 3, characterized in that the column (8) is sleeved with a cylindrical protective cover (14), the protective cover (14) covers the wiring mechanism, the top of the protective cover (14) is covered with a top cover (15), the top of the protective cover (14) is covered with a bottom cover (16), each connecting rod (10) is arranged through the top cover (15) and the bottom cover (16), and each connecting rod (10) is connected with a nut for supporting the bottom of the bottom cover (16) and a nut pressed on the top of the top cover (15) in a threaded manner.

5. The multi-axis numerical control machine tool according to claim 1, wherein the wiring mechanism comprises a stand column (8), the stand column (8) penetrates through the center of the workbench (2) and is fixedly connected with the rack (1), the stand column (8) is fixedly connected with a circular insulation ring I, the power supply module (7) comprises an outer wiring (71) and a plurality of power supply metal blocks (72) connected with the outer wiring (71), each group of power supply metal blocks (72) are circumferentially embedded on the bottom surface of the insulation ring I, an annular insulation ring II is arranged below the insulation ring, the insulation ring is fixedly connected with the workbench (2) through a plurality of connecting rods (10), metal contact blocks (12) corresponding to each group of power supply metal blocks (72) and connected with cables (61) of the corresponding driving piece (6) are embedded on the top surface of the insulation ring II, and the insulation ring II is provided with a compression spring which provides elasticity for each metal contact block (12) to keep a propping trend against the bottom surface of the insulation ring I and the metal blocks (72).

6. The multi-axis numerical control machine tool according to any one of claims 1 to 5, wherein the workbench (2) is provided with a spindle box (17) corresponding to each station, the spindle of each spindle box (17) is connected with a clamp (3), the driving piece (6) is fixedly connected with a motor (18) on each spindle box (17), and the output end of the motor (18) is connected with the spindle through a gear reduction box or belt transmission or chain transmission.

7. Multiaxial numerically controlled machine tool according to any of claims 1 to 5, wherein the drive member (6) is an electric spindle connected to the fixture (3).

8. The multi-axis numerical control machine tool according to any one of claims 1 to 5, wherein the coordinate system linkage mechanism comprises two guide rails one (19) which are vertically arranged and are arranged on the mounting seat (4), a large carriage (20) is arranged on the two guide rails one (19), the large carriage (20) is provided with two guide rails two (21) which are horizontally arranged, a small carriage (22) is arranged on the two guide rails two (21), a tool rest (23) for mounting a machining tool (5) is fixedly connected on the small carriage (22), the mounting seat (4) is fixedly connected with a first driving motor (24), an output shaft of the first driving motor (24) is vertically downwards and fixedly connected with a first screw rod, a first nut fixedly connected with the large carriage (20) is fixedly connected with a second driving motor (25), an output shaft of the second driving motor (25) horizontally extends and is fixedly connected with the second screw rod, and the second screw rod is fixedly connected with the second nut fixedly connected with the small carriage (22).

9. The multi-axis numerical control machine tool according to any one of claims 1 to 5, wherein the coordinate system linkage mechanism comprises two horizontally arranged first slide rails arranged at the top of the mounting seat (4), the first slide rails are provided with slide tables, the mounting seat (4) is fixedly connected with a first motor (18), an output shaft of the first motor (18) is fixedly connected with a first screw rod parallel to the first slide rails, the first screw rod is in threaded connection with a first nut fixedly connected with the slide tables, the slide tables are provided with two vertically arranged second slide rails, the second slide rails are provided with a first carriage, the slide tables are fixedly connected with a second motor (18), an output shaft of the second motor (18) is fixedly connected with a second screw rod parallel to the second slide rails, the second screw rod is in threaded connection with a second nut fixedly connected with the first carriage, the first carriage is provided with a second slide rail III horizontally arranged, an output shaft of the third motor (18) is fixedly connected with a third screw rod parallel to the third slide rail, the third screw rod is fixedly connected with a third screw rod (23) fixedly connected with the third screw rod, and a tool rest (23) is fixedly connected with the second carriage.