CN109500621B

CN109500621B - Machine tool

Info

Publication number: CN109500621B
Application number: CN201811452983.7A
Authority: CN
Inventors: 吴健何; 郑宗侠
Original assignee: Dongguan Huigao Industrial Machinery Co ltd
Current assignee: Dongguan Huigao Industrial Machinery Co ltd
Priority date: 2018-11-30
Filing date: 2018-11-30
Publication date: 2024-03-29
Anticipated expiration: 2038-11-30
Also published as: CN109500621A

Abstract

The invention relates to the field of processing machine tools, in particular to a machine tool, which comprises a base component, a portal frame component and a machine head component; the machine head assembly comprises a sliding plate, a lifting frame, a first driving assembly, a machine head, a main shaft, a second driving assembly and a third driving assembly, wherein the lifting frame comprises a first lifting frame body and a second lifting frame body, the first lifting frame body comprises a base plate and a frame body, the frame body is provided with a first accommodating cavity, and the base plate is provided with a mounting seat; the mounting seat is provided with a second accommodating cavity; the second driving assembly comprises a first motor and a transmission assembly; the second lifting frame body is provided with a third accommodating cavity; the third driving assembly comprises a second motor, a driving wheel and a belt. The machine tool is provided with two driving units for driving the spindle to rotate, so that the machine head has two machining states of high-speed machining or low-speed machining, and the machining requirement of a workpiece is met. The processing machine tool has the advantages of light weight, less material consumption, low cost, good vibration reduction performance and high processing quality.

Description

Machine tool

Technical Field

The invention relates to the field of machine tools, in particular to a machine tool.

Background

The processing machine tool is a commonly used processing machine tool, which is provided with a multi-dimensional automatic moving track, and can automatically complete the processing of a workpiece through input programming. The traditional machine tool is a driving unit for driving the machine head assembly to rotate, and cannot meet the machining requirement of a workpiece. The traditional machine tool has heavy quality, more material consumption and high cost, and the vibration generated during the machining of the machine tool can seriously influence the machining quality of the machine tool.

Disclosure of Invention

The invention aims to solve the technical problem of providing a machine tool, which is provided with two driving units for driving a main shaft to rotate, so that a machine head has two processing states of high-speed processing or low-speed processing, and the processing requirement of a workpiece is met. And the processing machine tool has the advantages of light weight, less material consumption, low cost, good vibration damping performance and high processing quality.

In order to solve the technical problems, the invention adopts the following technical scheme:

a machine tool comprises a base component, a portal frame component arranged on the base component in a sliding manner and a machine head component arranged on the portal frame component in a sliding manner;

the machine head assembly comprises a sliding plate, a lifting frame, a first driving assembly, a machine head, a main shaft, a second driving assembly and a third driving assembly, wherein the sliding plate is arranged on the portal frame assembly in a sliding manner;

The lifting frame comprises a first lifting frame body and a second lifting frame body connected to the first lifting frame body, the first lifting frame body comprises a base plate and a frame body arranged on the base plate, a first accommodating cavity is formed in the frame body, the base plate is provided with an installation seat, and the installation seat is positioned in the first accommodating cavity;

the frame body comprises a transverse plate and two vertical plates, the two vertical plates are respectively arranged on two sides of the base plate, the two vertical plates are arranged in parallel, the transverse plate is connected with the two vertical plates, and the base plate, the transverse plate and the two vertical plates are enclosed to form a first accommodating cavity;

the installation seat is provided with a second accommodating cavity, the main shaft is rotatably arranged on the installation seat, the main shaft is positioned in the second accommodating cavity, and one end of the main shaft protrudes out of the frame body;

the second driving assembly comprises a first motor and a transmission assembly, the first motor is arranged on the mounting seat, and the first motor drives the main shaft to rotate through the transmission assembly;

the second lifting frame body is connected to the transverse plate, a third accommodating cavity is formed in the second lifting frame body, a first groove is formed in the transverse plate, the first groove penetrates through the transverse plate and the mounting seat, and the first groove is communicated with the third accommodating cavity and the second accommodating cavity;

the third driving assembly comprises a second motor, a driving wheel and a belt, the second motor is arranged on the second lifting frame body, the driving wheel is connected to the output end of the second motor, the driving wheel is rotatably arranged in the third accommodating cavity, and the belt is wound on the driving wheel and the main shaft through the first groove.

Further, the slide includes connecting plate and two slip tables, and the connecting plate is connected in two slip tables, and the connecting plate encloses with two slip tables to establish into first storage tank, is provided with first slide rail on the slip table, and first drive assembly is located first storage tank, and connecting plate and two slip table integral type structure settings.

Further, a plurality of fifth grooves are formed in one side, far away from the first accommodating groove, of the connecting plate at intervals, the fifth grooves are formed by inwards sinking from the surface of the connecting plate, and a connecting plate vibration reduction rib is formed between every two adjacent fifth grooves; the connecting plate is also provided with a plurality of sixth grooves, the sixth grooves penetrate through the connecting plate, and one sixth groove is arranged in each fifth groove.

Further, the sliding table is of a hollow structure and comprises a sliding table left side plate, a sliding table right side plate, a sliding table bottom plate, a sliding table guide part, a sliding table front plate and a sliding table rear plate; the sliding table left side plate, the sliding table right side plate, the sliding table bottom plate, the sliding table guide part, the sliding table front plate and the sliding table rear plate are enclosed to form a sliding table, the sliding table bottom plate is connected with the connecting plate, and the first sliding rail is positioned at the sliding table guide part; the sliding table further comprises a plurality of first transverse supporting plates and a plurality of first longitudinal supporting plates, the first transverse supporting plates are arranged in the sliding table at intervals in parallel, and the first transverse supporting plates are connected to the left side plate, the right side plate, the bottom plate and the sliding guide part of the sliding table; the first longitudinal support plates are arranged in the sliding table at intervals in parallel, and are connected to the sliding table bottom plate, the sliding table guide part, the sliding table front plate and the sliding table rear plate; the first transverse supporting plate and the first longitudinal supporting plate are arranged in an intersecting mode.

Further, the portal frame assembly comprises a portal frame and a fourth driving assembly; the portal frame comprises a beam part and two supporting leg parts, wherein the two supporting leg parts are respectively arranged at two ends of the beam part, the two supporting leg parts are slidably provided with base components, and the sliding plate is slidably arranged on the beam part; the beam part is provided with a groove and a plurality of second sliding rails which are respectively positioned at the upper side and the lower side of the groove; the sliding plate slides along the plurality of second sliding rails, and the fourth driving assembly is positioned in the groove;

the beam part is of a hollow structure, and comprises a beam left side plate, a beam right side plate, a beam top plate, a beam bottom plate, a beam rear side plate and a working panel, wherein the beam left side plate, the beam right side plate, the beam top plate, the beam bottom plate, the beam rear side plate and the working panel are enclosed to form the beam part, and the groove, the second sliding rail and the fourth driving assembly are all positioned on the working panel; the crossbeam portion still includes polylith second horizontal backup pad and polylith second and indulges the backup pad, polylith second horizontal backup pad interval and parallel arrangement in the inside of crossbeam portion, and the second is violently backup pad to be connected in crossbeam roof, crossbeam bottom plate, crossbeam posterior lateral plate and work panel, and polylith second indulges the backup pad interval and parallel arrangement in the inside of crossbeam portion, and the second is indulged the backup pad and is connected in crossbeam left side board, crossbeam right side board, crossbeam roof and crossbeam bottom plate, and the crossing setting of backup pad is indulged to second horizontal backup pad and second.

Further, the second transverse supporting plate is provided with a plurality of hollow grooves of the first portal frame assembly, and the hollow grooves of the first portal frame assembly penetrate through the second transverse supporting plate; the second longitudinal support plate is provided with a second portal frame assembly hollow groove, the second portal frame assembly hollow groove penetrates through the second longitudinal support plate, and the second portal frame assembly hollow groove is communicated with the first portal frame assembly hollow grooves.

Further, the supporting leg part is of a hollow structure and comprises a supporting leg left side plate, a supporting leg right side plate, a supporting leg bottom plate, a supporting leg front side plate and a supporting leg rear side plate; one end of the left side plate of the supporting leg is connected with the bottom plate of the supporting leg, and the other end of the left side plate of the supporting leg is connected with the left side plate of the cross beam; one end of the right side plate of the supporting leg is connected with the bottom plate of the supporting leg, and the other end of the right side plate of the supporting leg is connected with the bottom plate of the cross beam; one end of the front side plate of the supporting leg is connected with the bottom plate of the supporting leg, and one end of the front side plate of the supporting leg is connected with the working panel; one end of the rear side plate of the supporting leg is connected with the bottom plate of the supporting leg, and the other end of the rear side plate of the supporting leg is connected with the rear side plate of the cross beam;

the support leg part also comprises a plurality of third transverse support plates and a plurality of third longitudinal support plates, wherein the plurality of third transverse support plates are arranged in the support leg part at intervals in parallel, and the third transverse support plates are connected with the support leg bottom plate, the support leg front side plate, the support leg rear side plate, the second transverse support plates and the second longitudinal support plates; the third longitudinal support plates are arranged in the leg portion at intervals in parallel, are connected to the left side plate, the right side plate, the bottom plate, the second transverse support plate and the second longitudinal support plate, and are intersected with the third longitudinal support plate.

Further, the base assembly comprises a base body and supporting tables, two supporting tables are arranged on the same side of the base body, a second accommodating groove is formed by surrounding the base body and the two supporting tables, and the portal frame assembly is arranged on the two supporting tables in a sliding mode; the base body is provided with a spiral chip remover for removing chips, and the spiral chip remover is positioned in the second accommodating groove;

the base body comprises a base bottom plate, a base top plate and a plurality of first bearing columns, the plurality of first bearing columns are connected to the base bottom plate and the base top plate, the plurality of first bearing columns are positioned between the base bottom plate and the base top plate, and the plurality of first bearing columns are arranged at intervals and in parallel; a bearing plate is arranged between every two adjacent first bearing columns and is respectively connected with the base bottom plate, the base top plate and the two adjacent first bearing columns.

Further, a first base component hollow groove is formed in the middle of the bearing plate, and penetrates through the bearing plate; a first bearing column reinforcing rib is arranged between two adjacent first bearing columns, and the first bearing column reinforcing rib is positioned in the hollow groove of the first base component; one end of the first bearing column reinforcing rib is connected with the first bearing column, and the other end of the first bearing column reinforcing rib is connected with the bearing plate or the adjacent first bearing column.

Further, the supporting table comprises a first plate, a second plate, a supporting table sliding guide part and a plurality of second bearing columns, one end of the first plate is connected with the base bottom plate, the other end of the first plate is connected with the supporting table sliding guide part, one end of the second plate is connected with the base top plate, and the other end of the second plate is connected with the supporting table sliding guide part;

a plurality of fourth transverse supporting plates and a plurality of fourth longitudinal supporting plates are arranged between the first plate and the second plate, and the fourth transverse supporting plates and the fourth longitudinal supporting plates are arranged in an intersecting manner; the second bearing columns are arranged on the base bottom plate at intervals in parallel, and are used for bearing the fourth transverse supporting plate and/or the fourth longitudinal supporting plate;

a fourth transverse supporting plate is arranged on the inner wall of the first plate and the inner wall of the second plate respectively, one end of the fourth transverse supporting plate is connected with the supporting table sliding guide part, and the other end of the fourth transverse supporting plate is connected with the second bearing column;

the fourth longitudinal support plates are arranged between the first plate and the second plate at intervals, the left ends of the fourth longitudinal support plates are connected with the fourth transverse support plates on the inner wall of the first plate, the right ends of the fourth longitudinal support plates are connected with the fourth transverse support plates on the inner wall of the second plate, the upper ends of the fourth longitudinal support plates are connected with the support table sliding guide parts, and the lower ends of the fourth longitudinal support plates are connected with the second bearing columns.

The invention has the beneficial effects that: during operation, the portal frame assembly can be moved along the base assembly, the sliding plate can be moved along the portal frame assembly, and the machine head is moved to the upper side of the workpiece through the movement of the portal frame assembly and the sliding plate. Then the first driving component drives the lifting frame to lift, the lifting frame controls the machining feeding amount of the machine head, and the first driving component is a screw rod transmission mechanism. The lifting frame is provided with two driving units, one is that the second driving component is used as the driving unit to drive the main shaft to rotate, and the other is that the third driving component is used as the driving unit to drive the main shaft to rotate. The second driving component drives the main shaft to rotate by utilizing the first motor and the transmission component, so that the main shaft can rotate at a high speed, and the main shaft rotating at the high speed drives the machine head to process a workpiece at the high speed; the third driving component drives the main shaft to rotate by using the second motor, the driving wheel and the belt, so that the main shaft can rotate at a low speed, and the main shaft rotating at the low speed drives the machine head to process a workpiece at the low speed. The lifting frame can be provided with two driving units at the same time, so that the machine head has two processing states of high-speed processing or low-speed processing, and the processing requirement of a workpiece is met.

The base plate, the transverse plate, the two vertical plates and the mounting seat of the first lifting frame body are integrally constructed, and specifically can be formed by milling after casting and forming. The stability of the first crane body of integral type structure is high, and damping performance is good, can absorb the part vibration that the lathe produced when processing, in addition, compare in a plurality of parts independent machine shaping reassembles together again, and the vibrations in avoiding the use lead to the junction between a plurality of parts not hard up, improves the processingquality of lathe. The first lifting frame body is provided with a first accommodating cavity, the mounting seat is provided with a second accommodating cavity, the second lifting frame body is provided with a third accommodating cavity, and materials for manufacturing the lifting frame are reduced by the first accommodating cavity, the second accommodating cavity and the third accommodating cavity, so that the lifting frame is light in weight. The machine tool is provided with two driving units for driving the spindle to rotate, so that the machine head has two machining states of high-speed machining or low-speed machining, and the machining requirement of a workpiece is met. And the processing machine tool has the advantages of light weight, less material consumption, low cost, good vibration damping performance and high processing quality.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a handpiece assembly according to the present invention.

FIG. 3 is an exploded view of the handpiece assembly of the present invention.

Fig. 4 is a schematic perspective view of a first lifter body according to the present invention.

Fig. 5 is a rear view of the first crane body of the present invention.

Fig. 6 is a cross-sectional view of the first crane body of the present invention.

Fig. 7 is a schematic perspective view of a second lifter body according to the present invention.

Fig. 8 is a schematic perspective view of a skateboard according to the present invention.

Fig. 9 is a schematic perspective view of another view of the skateboard of the present invention.

Fig. 10 is a cross-sectional view of the skateboard of the present invention.

Fig. 11 is a cross-sectional view of the skateboard of the present invention in another direction.

Fig. 12 is a schematic perspective view of a gantry assembly of the present invention.

Fig. 13 is a schematic perspective view of another view of the gantry assembly of the present invention.

Fig. 14 is a schematic perspective view of a further view of the gantry assembly of the present invention.

Fig. 15 is a top view of the gantry assembly of the present invention.

Fig. 16 is a cross-sectional view of the gantry assembly of the present invention.

Fig. 17 is another directional cross-sectional view of the portal frame assembly of the present invention.

Fig. 18 is a schematic perspective view of a base assembly according to the present invention.

Fig. 19 is a schematic perspective view of another view of the base assembly of the present invention.

Fig. 20 is a top view of a base assembly of the present invention.

Fig. 21 is a cross-sectional view of the base assembly of the present invention taken along a first direction.

Fig. 22 is a cross-sectional view taken along A-A in fig. 20.

Fig. 23 is a sectional view taken along the direction B-B in fig. 20.

Reference numerals illustrate:

base assembly 1, base body 11, base bottom plate 111, fourth base assembly hollow groove 1111, support leg 1112, base top plate 112, first bearing post 113, first bearing post stiffener 1131, bearing plate 114, first base assembly hollow groove 1141, junk slot 115, base vibration damper 116, machining bearing plate 117, support table 12, first plate 121, second plate 122, support table slide guide 123, second bearing post 124, fourth lateral support plate 125, fourth longitudinal support plate 126, second base assembly hollow groove 127, third base assembly hollow groove 128, second bearing post stiffener 129, second receiving groove 13, screw 14, screw rod 141, third motor 142, gantry assembly 2, gantry 21, fourth drive assembly 22, beam portion 23, groove 231, second slide rail 232, beam left side plate 233, beam right side plate 234, beam top plate 235, beam bottom plate 236, beam rear side plate 237, a vertical portion 2371, a wedge portion 2372, a work panel 238, a leg portion 24, a leg left side plate 241, a leg right side plate 242, a leg bottom plate 243, a leg front side plate 244, a leg rear side plate 245, a second traverse support plate 25, a first portal frame assembly hollow groove 251, a second longitudinal support plate 26, a second portal frame assembly hollow groove 261, a third traverse support plate 27, a third portal frame assembly hollow groove 271, a third longitudinal support plate 28, a fourth portal frame assembly hollow groove 281, a fifth portal frame assembly hollow groove 29, a first leg portion reinforcing rib 210, a second leg portion reinforcing rib 211, a head assembly 3, a slide plate 31, a connection plate 311, a slide table 312, a slide left side plate 3121, a slide right side plate 3122, a slide table bottom plate 3123, a slide table guide portion 3124, a slide table front plate 3125, a slide table rear plate 3126, a first longitudinal support plate 3127, a first longitudinal support plate 3128, a first head assembly hollow groove 3129, the second head assembly hollow slot 31210, the third head assembly hollow slot 31211, the first receiving slot 313, the first slide rail 314, the fifth slot 315, the connection plate damper 316, the sixth slot 317, the crane 32, the first drive assembly 33, the head 34, the spindle 35, the second drive assembly 36, the first motor 361, the transmission assembly 362, the third drive assembly 37, the second motor 371, the drive pulley 372, the belt 373, the first crane body 38, the base plate 381, the connection block 3811, the third slot 3812, the base plate damper 3813, the frame body 382, the first receiving cavity 383, the mount 384, the second receiving cavity 385, the diaphragm 386, the first slot 3861, the vertical plate 387, the second slot 3871, the crane stiffener 388, the second crane body 39, the third receiving cavity 391, and the fourth slot 392.

Detailed Description

The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention.

As shown in fig. 1 to 7, the present invention provides a machine tool, which includes a base assembly 1, a gantry assembly 2 slidably disposed on the base assembly 1, and a machine head assembly 3 slidably disposed on the gantry assembly 2;

the machine head assembly 3 comprises a sliding plate 31, a lifting frame 32, a first driving assembly 33, a machine head 34, a main shaft 35, a second driving assembly 36 and a third driving assembly 37, wherein the sliding plate 31 is arranged on the portal frame assembly 2 in a sliding manner, the lifting frame 32 is arranged on the sliding plate 31 in a sliding manner, the first driving assembly 33 is arranged on the sliding plate 31 and is used for driving the lifting frame 32 to lift, the main shaft 35 is rotatably arranged on the lifting frame 32, the machine head 34 is connected to the output end of the main shaft 35, the second driving assembly 36 and the third driving assembly 37 are respectively arranged on the lifting frame 32, the second driving assembly 36 or/and the third driving assembly 37 are used for driving the main shaft 35 to rotate, and the rotating main shaft 35 is used for driving the machine head 34 to rotate;

the lifting frame 32 comprises a first lifting frame body 38 and a second lifting frame body 39 connected to the first lifting frame body 38, the first lifting frame body 38 comprises a base plate 381 and a frame body 382 arranged on the base plate 381, the frame body 382 is provided with a first accommodating cavity 383, the base plate 381 is provided with a mounting seat 384, and the mounting seat 384 is positioned in the first accommodating cavity 383;

The frame 382 includes a transverse plate 386 and two vertical plates 387, the two vertical plates 387 are respectively disposed at two sides of the base plate 381, the two vertical plates 387 are disposed in parallel, the transverse plate 386 is connected to the two vertical plates 387, and the base plate 381, the transverse plate 386 and the two vertical plates 387 are enclosed to form a first accommodating cavity 383;

the installation seat 384 is provided with a second accommodation cavity 385, the main shaft 35 is rotatably arranged in the installation seat 384, the main shaft 35 is positioned in the second accommodation cavity 385, and one end of the main shaft 35 protrudes out of the frame 382;

the second driving assembly 36 includes a first motor 361 and a transmission assembly 362, the first motor 361 is mounted on the mounting seat 384, and the first motor 361 drives the spindle 35 to rotate via the transmission assembly 362;

the second lifting frame body 39 is connected to the transverse plate 386, the second lifting frame body 39 is provided with a third accommodating cavity 391, the transverse plate 386 is provided with a first groove 3861, the first groove 3861 penetrates through the transverse plate 386 and the mounting seat 384, and the first groove 3861 is communicated with the third accommodating cavity 391 and the second accommodating cavity 385;

the third driving component 37 comprises a second motor 371, a driving wheel 372 and a belt 373, the second motor 371 is arranged on the second lifting frame body 39, the driving wheel 372 is connected to the output end of the second motor 371, the driving wheel 372 is rotatably arranged in the third accommodating cavity 391, and the belt 373 is wound on the driving wheel 372 and the main shaft 35 through the first groove 3861.

In operation, the gantry assembly 2 is movable along the base assembly 1, the slide plate 31 is movable along the gantry assembly 2, and the head 34 is moved over the workpiece by movement of the gantry assembly 2 and the slide plate 31. Then, the first driving component 33 drives the lifting frame 32 to lift, the lifting frame 32 controls the machining feeding amount of the machine head 34, and the first driving component 33 is a screw rod transmission mechanism. The lifting frame 32 is provided with two driving units, one is that the second driving assembly 36 is used as the driving unit to drive the main shaft 35 to rotate, and the other is that the third driving assembly 37 is used as the driving unit to drive the main shaft 35 to rotate. The second driving assembly 36 uses the first motor 361 and the transmission assembly 362 to drive the spindle 35 to rotate, so that the spindle 35 obtains high-speed rotation, and the high-speed rotation spindle 35 drives the machine head 34 to process the workpiece at high speed; the third driving assembly 37 uses the second motor 371, the driving wheel 372 and the belt 373 to drive the spindle 35 to rotate, so that the spindle 35 obtains low-speed rotation, and the spindle 35 with low-speed rotation drives the machine head 34 to process the workpiece at low speed. The lifting frame 32 can be provided with two driving units at the same time, so that the machine head 34 has two processing states of high-speed processing or low-speed processing, and the processing requirement of a workpiece is met.

The base plate 381, the transverse plate 386, the two vertical plates 387 and the mounting base 384 of the first lifter body 38 are integrally configured, and may be specifically formed by milling after casting. The first crane body 38 of integral type structure is high in steadiness, and damping performance is good, can absorb the part vibration that the lathe produced when processing, in addition, compares in a plurality of parts individual machine-shaping reassembles together again, avoids vibrations in the use to lead to the junction between a plurality of parts not hard up, improves the processingquality of lathe. The first lifter body 38 is provided with a first receiving cavity 383, the mounting base 384 is provided with a second receiving cavity 385, the second lifter body 39 is provided with a third receiving cavity 391, and the first receiving cavity 383, the second receiving cavity 385 and the third receiving cavity 391 reduce the material for manufacturing the lifter 32, so that the lifter 32 is light in weight. The processing machine tool is provided with two driving units for driving the spindle 35 to rotate, so that the machine head 34 has two processing states of high-speed processing or low-speed processing, and the processing requirement of a workpiece is met. And the processing machine tool has the advantages of light weight, less material consumption, low cost, good vibration damping performance and high processing quality.

Preferably, the vertical plate 387 is provided with a plurality of second slots 3871, and the second slots 3871 extend through the vertical plate 387. Providing the plurality of second grooves 3871 may reduce the material of which the lifter 32 is made, make the lifter 32 lighter in weight, and increase the heat dissipation effect of the lifter 32.

Preferably, the lifting frame reinforcing ribs 388 are connected between the vertical plate 387 and the mounting base 384, and between the transverse plate 386 and the mounting base 384. The crane reinforcing ribs 388 increase the rigidity and stability between the vertical plate 387 and the mount 384 and between the transverse plate 386 and the mount 384, and meanwhile, the crane reinforcing ribs 388 can absorb part of vibration transmitted by the crane 32, so that the machining quality of the machine tool is improved.

Preferably, a connecting block 3811 is disposed on a side of the substrate 381 away from the frame 382, the first driving assembly 33 drives the substrate 381 to move via the connecting block 3811, and the connecting block 3811 and the substrate 381 are integrally configured; the base plate 381 is provided with a plurality of third grooves 3812 at intervals, the plurality of third grooves 3812 are recessed inward from the surface of the base plate 381, and a base plate vibration damping rib 3813 is formed between every two adjacent third grooves 3812. The plurality of third grooves 3812 may reduce the material of the substrate 381, make the substrate 381 lighter in mass, and increase the heat dissipation effect of the substrate 381. The substrate vibration-damping ribs 3813 have the function of absorbing energy, namely absorbing certain vibration, and improving the machining quality of the machine tool.

Preferably, the second lifting frame body 39 is provided with a plurality of fourth grooves 392, the fourth grooves 392 penetrate the second lifting frame body 39, and the fourth grooves 392 are communicated with the third accommodating cavity 391. Providing the plurality of fourth grooves 392 may reduce the material of which the second crane body 39 is made, make the mass of the second crane body 39 lighter, and increase the heat dissipation effect of the second crane body 39.

As shown in fig. 8, in this embodiment, the sliding plate 31 includes a connecting plate 311 and two sliding tables 312, the connecting plate 311 is connected to the two sliding tables 312, the connecting plate 311 and the two sliding tables 312 enclose a first accommodating groove 313, a first sliding rail 314 is disposed on the sliding tables 312, the first driving component 33 is disposed in the first accommodating groove 313, and the connecting plate 311 and the two sliding tables 312 are integrally configured.

The first driving assembly 33 is positioned in the first receiving groove 313, reducing the risk of the first driving assembly 33 being damaged by collision. The first driving assembly 33 drives the lifting frame 32 to slide along the first sliding rail 314. The slide plate 31 with the integrated structure has high stability and good vibration damping performance, can absorb partial vibration generated during machining of the machine tool, and improves the machining quality of the machine tool.

As shown in fig. 9, in this embodiment, a plurality of fifth grooves 315 are disposed at a side of the connecting plate 311 away from the first accommodating groove 313 at intervals, the plurality of fifth grooves 315 are recessed inward from the surface of the connecting plate 311, and a connecting plate vibration-damping rib 316 is formed between every two adjacent fifth grooves 315; the connection plate 311 is further provided with a plurality of sixth grooves 317, the sixth grooves 317 penetrating the connection plate 311, and one sixth groove 317 being provided in each of the fifth grooves 315.

The connecting plate vibration-damping ribs 316 have the function of absorbing energy, namely absorbing certain vibration and improving the machining quality of the machine tool. Providing the plurality of fifth grooves 315 and the plurality of sixth grooves 317 can reduce the material of which the connection plate 311 is made, lighten the mass of the connection plate 311, and increase the heat dissipation effect of the connection plate 311.

As shown in fig. 8 to 11, in the present embodiment, the sliding table 312 has a hollow structure, and the sliding table 312 includes a left sliding table side plate 3121, a right sliding table side plate 3122, a sliding table bottom plate 3123, a sliding table sliding guide portion 3124, a sliding table front plate 3125, and a sliding table rear plate 3126; the sliding table 312 is surrounded by a sliding table left side plate 3121, a sliding table right side plate 3122, a sliding table bottom plate 3123, a sliding table guide sliding part 3124, a sliding table front plate 3125 and a sliding table rear plate 3126, the sliding table bottom plate 3123 is connected with the connecting plate 311, and the first sliding rail 314 is positioned at the sliding table guide sliding part 3124; the sliding table 312 further comprises a plurality of first transverse supporting plates 3127 and a plurality of first longitudinal supporting plates 3128, wherein the plurality of first transverse supporting plates 3127 are arranged in the sliding table 312 at intervals and in parallel, and the first transverse supporting plates 3127 are connected to the left sliding table side plate 3121, the right sliding table side plate 3122, the sliding table bottom plate 3123 and the sliding table guiding portion 3124; the first longitudinal support plates 3128 are arranged in parallel at intervals in the sliding table 312, and the first longitudinal support plates 3128 are connected to the sliding table bottom plate 3123, the sliding table sliding guide part 3124, the sliding table front plate 3125 and the sliding table rear plate 3126; the first lateral support plate 3127 and the first longitudinal support plate 3128 are disposed to intersect.

The integrated structure of the sliding table left side plate 3121, the sliding table right side plate 3122, the sliding table bottom plate 3123, the sliding table guiding sliding part 3124, the sliding table front plate 3125, the sliding table rear plate 3126, the connecting plate 311, the plurality of first transverse supporting plates 3127 and the plurality of first longitudinal supporting plates 3128 can be specifically formed by milling after casting molding. The integrally constructed slide plate 31 has high stability and good vibration damping performance, and can absorb part of vibration generated during machining of a machine tool, thereby improving the machining quality of the machine tool. The first transverse supporting plates 3127 and the first longitudinal supporting plates 3128 which are arranged in a crossing manner can not only support the left side plate 3121, the right side plate 3122, the bottom plate 3123, the slide guiding portion 3124, the front plate 3125 and the rear plate 3126, but also improve the stability of the slide 312, and the first transverse supporting plates 3127 and the first longitudinal supporting plates 3128 can absorb certain vibration, thereby improving the processing quality of the machine tool. The sliding table 312 is composed of a sliding table left side plate 3121, a sliding table right side plate 3122, a sliding table bottom plate 3123, a sliding table guiding sliding part 3124, a sliding table front plate 3125, a sliding table rear plate 3126, a plurality of first transverse supporting plates 3127 and a plurality of first longitudinal supporting plates 3128, is not a solid structure, and has the characteristics of light weight, less material consumption and low cost.

Preferably, the first lateral support plate 3127 is provided with a plurality of first head assembly hollow slots 3129, and the first head assembly hollow slots 3129 penetrate the first lateral support plate 3127; the first longitudinal support plate 3128 defines a plurality of second handpiece assembly hollow slots 31210, the second handpiece assembly hollow slots 31210 extending through the first longitudinal support plate 3128. Providing the first head assembly hollow channel 3129 may reduce the raw material from which the first lateral support plate 3127 is fabricated and increase the heat dissipation effect of the first lateral support plate 3127. Providing the second head assembly hollow channel 31210 may reduce the raw material for manufacturing the first longitudinal support plate 3128 and increase the heat dissipation effect of the first longitudinal support plate 3128.

Preferably, the right side plate 3122, the bottom plate 3123 and the front plate 3125 are provided with a plurality of hollow slots 31211 for the third head assembly, and the hollow slots 31211 for the third head assembly penetrate the right side plate 3122, the bottom plate 3123 and the front plate 3125 respectively. Providing a plurality of third head assembly hollow grooves 31211 may reduce raw materials for manufacturing the slide table 312 while increasing a heat radiation effect of the slide table 312.

As shown in fig. 12 to 17, in the present embodiment, the gantry assembly 2 includes a gantry 21 and a fourth driving assembly 22; the portal frame 21 comprises a beam part 23 and two supporting leg parts 24, the two supporting leg parts 24 are respectively arranged at two ends of the beam part 23, the two supporting leg parts 24 are slidably arranged at two ends of the base component 1, and the sliding plate 31 is slidably arranged at the beam part 23; the beam part 23 is provided with a groove 231 and a plurality of second slide rails 232, and the second slide rails 232 are respectively positioned on the upper side and the lower side of the groove 231; the sliding plate 31 slides along the second sliding rails 232, and the fourth driving assembly 22 is located in the groove 231;

The beam portion 23 is a hollow structure, the beam portion 23 includes a beam left side plate 233, a beam right side plate 234, a beam top plate 235, a beam bottom plate 236, a beam rear side plate 237 and a working panel 238, the beam left side plate 233, the beam right side plate 234, the beam top plate 235, the beam bottom plate 236, the beam rear side plate 237 and the working panel 238 are enclosed to form the beam portion 23, and the groove 231, the second slide rail 232 and the fourth driving assembly 22 are all located on the working panel 238; the beam portion 23 further includes a plurality of second transverse support plates 25 and a plurality of second longitudinal support plates 26, the plurality of second transverse support plates 25 are spaced apart and arranged in parallel in the beam portion 23, the second transverse support plates 25 are connected to the transverse beam top plate 235, the transverse beam bottom plate 236, the transverse beam rear side plate 237 and the working panel 238, the plurality of second longitudinal support plates 26 are spaced apart and arranged in parallel in the beam portion 23, the second longitudinal support plates 26 are connected to the transverse beam left side plate 233, the transverse beam right side plate 234, the transverse beam top plate 235 and the transverse beam bottom plate 236, and the second transverse support plates 25 and the second longitudinal support plates 26 are arranged in an intersecting manner.

The beam portion 23 and the two leg portions 24 are integrally constructed, and the beam left side plate 233, the beam right side plate 234, the beam top plate 235, the beam bottom plate 236, the beam rear side plate 237, the work panel 238, the plurality of second lateral support plates 25, and the plurality of second longitudinal support plates 26 are integrally constructed, specifically may be formed by milling after casting. The portal frame component of integral type structure is high in stability, and damping performance is good, can absorb the part vibration that the lathe produced when processing, improves the processingquality of lathe. The plurality of intersecting second transverse supporting plates 25 and second longitudinal supporting plates 26 can not only support the left side plate 233, the right side plate 234, the top plate 235, the bottom plate 236, the rear plate 237 and the working plate 238, so that the structural stability of the beam part 23 is improved, but also the second transverse supporting plates 25 and the second longitudinal supporting plates 26 can absorb certain vibration, and the machining quality of the machine tool is improved. The beam portion 23 is composed of a beam left side plate 233, a beam right side plate 234, a beam top plate 235, a beam bottom plate 236, a beam rear side plate 237, a work panel 238, a plurality of second lateral support plates 25 and a plurality of second longitudinal support plates 26, is not a solid structure, and has the characteristics of light weight, less material consumption and low cost. Protecting the fourth drive assembly 22 with the side walls of the recess 231 corresponds to disposing the fourth drive assembly 22 inside the beam portion 23, and reduces the risk of damage to the fourth drive assembly 22 due to collision compared to disposing the fourth drive assembly 22 outside the beam portion 23. The portal frame component 2 has high stability and good vibration damping performance, can absorb partial vibration generated during machining of the machine tool, improves the machining quality of the machine tool, and has the characteristics of light weight, less material consumption and low cost.

Preferably, the beam portion 23 is provided with three second sliding rails 232, one second sliding rail 232 is disposed on the upper side of the groove 231, and two second sliding rails 232 are disposed on the lower side of the groove 231.

The slide plate 31 slides along the three second slide rails 232, and as the machine tool is machining, the head assembly 3 moves downward, so does the weight of the head assembly 3. If the grooves 231 are provided with a second sliding rail 232 on both upper and lower sides, the vibration of the head assembly 3 becomes serious as the weight of the head assembly 3 moves downward, and the machining quality of the machine tool is reduced. So this application is provided with two second slide rails 232 in the downside of recess 231, increases the stability when the aircraft nose subassembly 3 moves down, and then reduces the vibration of aircraft nose subassembly 3, improves the processingquality of lathe. In addition, the workpiece is acted on the lower part of the beam part 23 by the head assembly 3, the reaction force of the workpiece also acts on the lower part of the beam part 23 through the head assembly 3, and the matching strength between the lower end of the beam part 23 and the head assembly 3 is enhanced through arranging two second sliding rails 232 below the groove 231 of the beam part 23, so that the influence on normal use caused by insufficient matching strength between the lower end of the beam part 23 and the head assembly 3 is avoided.

As shown in fig. 16 and 17, in this embodiment, the second transverse support plate 25 is provided with a plurality of first portal frame assembly hollow slots 251, and the first portal frame assembly hollow slots 251 penetrate the second transverse support plate 25; the second longitudinal support plate 26 is provided with a second portal frame assembly hollow groove 261, the second portal frame assembly hollow groove 261 penetrates through the second longitudinal support plate 26, and the second portal frame assembly hollow groove 261 is communicated with the plurality of first portal frame assembly hollow grooves 251.

Providing the first portal frame assembly hollow groove 251 can reduce the raw material for manufacturing the second lateral support plate 25 and increase the heat radiation effect of the beam portion 23. Providing the second portal frame assembly hollow 261 can reduce the raw material for manufacturing the second longitudinal support plate 26 and increase the heat radiation effect of the beam portion 23.

As shown in fig. 12 to 17, in the present embodiment, the leg portion 24 has a hollow structure, and the leg portion 24 includes a left leg plate 241, a right leg plate 242, a bottom leg plate 243, a front leg plate 244, and a rear leg plate 245; one end of the leg left side plate 241 is connected with the leg bottom plate 243, and the other end of the leg left side plate 241 is connected with the beam left side plate 233; one end of the leg right side plate 242 is connected with the leg bottom plate 243, and the other end of the leg right side plate 242 is connected with the cross beam bottom plate 236; one end of the leg front side plate 244 is connected to the leg bottom plate 243, and one end of the leg front side plate 244 is connected to the work panel 238; one end of the leg rear side plate 245 is connected with the leg bottom plate 243, and the other end of the leg rear side plate 245 is connected with the beam rear side plate 237;

The leg 24 further comprises a plurality of third transverse support plates 27 and a plurality of third longitudinal support plates 28, the plurality of third transverse support plates 27 are spaced apart and arranged in parallel in the leg 24, and the third transverse support plates 27 are connected to the leg bottom plate 243, the leg front side plate 244, the leg rear side plate 245, the second transverse support plates 25 and the second longitudinal support plates 26; the third longitudinal support plates 28 are disposed in parallel with each other at intervals in the leg portion 24, the third longitudinal support plates 28 are connected to the left leg plate 241, the right leg plate 242, the leg bottom plate 243, the second lateral support plates 25 and the second longitudinal support plates 26, and the third lateral support plates 27 are disposed intersecting the third longitudinal support plates 28.

The leg 24 is composed of a left leg plate 241, a right leg plate 242, a bottom leg plate 243, a front leg plate 244, a rear leg plate 245, a plurality of third transverse support plates 27 and a plurality of third longitudinal support plates 28, is not a solid structure, and has the characteristics of light weight, less material consumption and low cost. The leg left side plate 241, the leg right side plate 242, the leg bottom plate 243, the leg front side plate 244, the leg rear side plate 245, the plurality of third transverse support plates 27, the plurality of third longitudinal support plates 28 and other parts are integrally constructed, and specifically can be formed by milling after casting. The support leg 24 of the integral structure has high stability and good vibration damping performance, can absorb partial vibration generated during machining of the machine tool, and improves the machining quality of the machine tool. The third transverse supporting plates 27 and the third longitudinal supporting plates 28 are intersected, so that not only can the left supporting leg plate 241, the right supporting leg plate 242, the bottom supporting leg plate 243, the front supporting leg plate 244 and the rear supporting leg plate 245 be supported, but also the stability of the supporting leg 24 is improved, certain vibration can be absorbed, and the machining quality of a machine tool is improved.

Preferably, the third transverse support plate 27 is provided with a plurality of third hollow slots 271 of the portal frame assembly, and the third hollow slots 271 of the portal frame assembly penetrate through the third transverse support plate 27. Providing the third portal frame assembly hollow groove 271 can reduce the raw material for manufacturing the third lateral support plate 27 and increase the heat radiation effect of the leg portion 24.

Preferably, the third vertical support plate 28 is provided with a plurality of fourth hollow slots 281, and the fourth hollow slots 281 penetrate through the third vertical support plate 28. Providing the fourth portal frame assembly hollow slot 281 may reduce the raw material for manufacturing the third longitudinal support plate 28 and increase the heat dissipation effect of the leg portion 24.

Preferably, the beam rear side plate 237 includes a vertical portion 2371 and a wedge portion 2372 connected to the vertical portion 2371, the vertical portion 2371 is connected to the beam bottom plate 236, and the wedge portion 2372 is connected to the beam top plate 235. Providing the tapered wedge portion 2372 can reduce the raw material for manufacturing the beam portion 23 on the premise that the beam portion 23 satisfies the strength and rigidity.

Preferably, the beam left side plate 233, the beam right side plate 234, the beam top plate 235, the beam bottom plate 236 and the beam rear side plate 237 are provided with a plurality of fifth portal frame assembly hollow grooves 29, and the plurality of fifth portal frame assembly hollow grooves 29 respectively penetrate through the beam left side plate 233, the beam right side plate 234, the beam top plate 235, the beam bottom plate 236 and the beam rear side plate 237. Providing a plurality of fifth portal frame assembly hollow grooves 29 can reduce the raw material for manufacturing the beam portion 23 and increase the heat radiation effect of the beam portion 23.

Preferably, a plurality of first leg reinforcing ribs 210 are connected between the cross beam bottom plate 236 and the leg right side plate 242; a plurality of second leg portion reinforcing ribs 211 are connected between the leg front side plate 244 and the leg bottom plate 243.

The plurality of first leg portion reinforcing ribs 210 increases rigidity and stability between the cross beam bottom plate 236 and the leg right side plate 242, and the plurality of first leg portion reinforcing ribs 210 can absorb part of vibration transmitted at the gantry assembly, thereby improving processing quality of the machine tool. The plurality of second leg portion reinforcing ribs 211 increases rigidity and stability between the leg front side plate 244 and the leg bottom plate 243, and the plurality of second leg portion reinforcing ribs 211 can absorb part of vibration transmitted at the portal frame assembly, thereby improving the processing quality of the machine tool.

As shown in fig. 18 to 23, in the present embodiment, the base assembly 1 includes a base body 11 and support tables 12, two support tables 12 are disposed on the same side of the base body 11, the base body 11 and the two support tables 12 enclose a second accommodating groove 13, and the gantry assembly 2 is slidably disposed on the two support tables 12; the base body 11 is provided with a spiral chip remover 14 for removing chips, and the spiral chip remover 14 is positioned in the second accommodating groove 13;

the base body 11 includes a base bottom plate 111, a base top plate 112, and a plurality of first bearing columns 113, wherein the plurality of first bearing columns 113 are connected to the base bottom plate 111 and the base top plate 112, the plurality of first bearing columns 113 are located between the base bottom plate 111 and the base top plate 112, and the plurality of first bearing columns 113 are spaced apart from each other and arranged in parallel; a bearing plate 114 is disposed between every two adjacent first bearing columns 113, and the bearing plate 114 is respectively connected with the base bottom plate 111, the base top plate 112 and the two adjacent first bearing columns 113.

The base body 11 and the two support tables 12 are integrally constructed, and the base bottom plate 111, the base top plate 112, the plurality of first bearing columns 113, the bearing plate 114 and other parts are integrally constructed, and specifically can be formed by milling after casting. The base component 1 with the integrated structure has high stability and good vibration damping performance, can absorb partial vibration generated during machining of a machine tool, and improves the machining quality of the machine tool. The plurality of bearing plates 114 are intersected to form a plurality of cross shapes, and the plurality of bearing plates 114 which are intersected not only can support the base top plate 112 and improve the stability of the base body 11, but also can absorb certain vibration and improve the processing quality of a machine tool. The plurality of first support columns 113 function to support the base bottom plate 111 and the base top plate 112. The base top plate 112 is provided with a processing load plate 117 for carrying a processing workpiece, and the processing load plate 117 is located in the second accommodating groove 13. The spiral chip remover 14 is used for discharging machining chips generated during machining of a machine tool to a collecting area. The base body 11 of the base assembly 1 is composed of a base bottom plate 111, a base top plate 112, a plurality of first bearing columns 113 and a plurality of bearing plates 114, is not a solid structure, and has the characteristics of light weight, less material consumption and low cost. The base component 1 is high in stability and good in vibration damping performance, can absorb partial vibration generated during machining of a machine tool, and improves the machining quality of the machine tool.

Preferably, the screw chip cleaner 14 includes a screw rod 141 rotatably disposed on the base body 11 and a third motor 142 mounted on the base body 11 for driving the screw rod 141 to rotate; the base body 11 is provided with a junk slot 115 for accommodating the screw rod 141; the base body 11 is provided with a plurality of base vibration damping ribs 116, the plurality of base vibration damping ribs 116 are located in the junk slots 115, one end of the base vibration damping ribs 116 is connected with the base body 11, the other end of the base vibration damping ribs 116 is connected with the supporting table 12, and the screw rod 141 penetrates through the plurality of base vibration damping ribs 116.

Machining scraps generated during machining of the machine tool can fall into the scrap discharge groove 115, meanwhile, the third motor 142 drives the screw rod 141 to rotate, and the rotating screw rod 141 discharges the machining scraps in the scrap discharge groove 115 to the collecting area, so that the machining scraps are effectively removed. The base vibration-damping ribs 116 increase the rigidity and stability between the base body 11 and the support table 12, and the base vibration-damping ribs 116 can absorb part of vibration transmitted by the base assembly 1, so that the machining quality of the machine tool is improved.

Preferably, the base bottom plate 111 is provided with a plurality of fourth base component hollow slots 1111 at intervals, and the fourth base component hollow slots 1111 penetrate the base bottom plate 111. Providing the fourth base member hollow groove 1111 may reduce raw materials for manufacturing the base bottom plate 111 and increase the heat dissipation effect of the base member 1.

Preferably, the base bottom plate 111 is provided with a plurality of supporting legs 1112 at intervals. The support legs 1112 support the base plate 111, preventing the base plate 111 from being depressed.

As shown in fig. 21 to 22, in the present embodiment, a first hollow base component groove 1141 is formed in the middle of the bearing plate 114, and the first hollow base component groove 1141 penetrates through the bearing plate 114; a first bearing column reinforcing rib 1131 is arranged between two adjacent first bearing columns 113, and the first bearing column reinforcing rib 1131 is positioned in the first base component hollow groove 1141; one end of the first bearing column reinforcing rib 1131 is connected with the first bearing column 113, and the other end of the first bearing column reinforcing rib 1131 is connected with the bearing plate 114 or the adjacent first bearing column 113.

Providing the first base assembly hollow slot 1141 may reduce the raw material for manufacturing the bearing plate 114 and increase the heat dissipation effect of the base assembly 1. The first support column reinforcing ribs 1131 increase rigidity and stability between the first support column 113 and the bearing plate 114, and between the first support column 113 and the adjacent first support column 113, and meanwhile, the first support column reinforcing ribs 1131 can absorb part of vibration transmitted by the base assembly 1, so that the machining quality of the machine tool is improved.

As shown in fig. 18 to 23, in the present embodiment, the supporting table 12 includes a first plate 121, a second plate 122, a supporting table guiding and sliding portion 123, and a plurality of second supporting columns 124, one end of the first plate 121 is connected to the base bottom plate 111, the other end of the first plate 121 is connected to the supporting table guiding and sliding portion 123, one end of the second plate 122 is connected to the base top plate 112, and the other end of the second plate 122 is connected to the supporting table guiding and sliding portion 123;

A plurality of fourth transverse supporting plates 125 and a plurality of fourth longitudinal supporting plates 126 are arranged between the first plate 121 and the second plate 122, and the fourth transverse supporting plates 125 and the fourth longitudinal supporting plates 126 are arranged in an intersecting manner; the second bearing columns 124 are spaced apart and arranged in parallel on the base bottom plate 111, and the second bearing columns 124 are used for bearing the fourth transverse supporting plate 125 and/or the fourth longitudinal supporting plate 126;

a fourth transverse supporting plate 125 is respectively arranged on the inner wall of the first plate 121 and the inner wall of the second plate 122, one end of the fourth transverse supporting plate 125 is connected with the supporting table sliding guide part 123, and the other end of the fourth transverse supporting plate 125 is connected with the second bearing column 124;

the fourth longitudinal support plates 126 are disposed between the first plate 121 and the second plate 122 at intervals, the left end of the fourth longitudinal support plates 126 is connected with the fourth transverse support plates 125 on the inner wall of the first plate 121, the right end of the fourth longitudinal support plates 126 is connected with the fourth transverse support plates 125 on the inner wall of the second plate 122, the upper end of the fourth longitudinal support plates 126 is connected with the support table sliding guide portion 123, and the lower end of the fourth longitudinal support plates 126 is connected with the second bearing columns 124.

The support table 12 is composed of a first plate 121, a second plate 122, a support table sliding guide portion 123 and a plurality of second bearing columns 124, is not a solid structure, and has the characteristics of light weight, less material consumption and low cost. The first plate 121, the second plate 122, the support table sliding guide 123, the plurality of second bearing columns 124, and other parts are integrally constructed, and may be specifically formed by milling after casting. The support table 12 with an integrated structure has high stability and good vibration damping performance, can absorb partial vibration generated during machining of the machine tool, and improves the machining quality of the machine tool. The fourth transverse support plates 125 and the fourth longitudinal support plates 126 are arranged in an intersecting manner, so that the first plate 121, the second plate 122 and the support table sliding guide part 123 can be supported, the stability of the support table 12 is improved, certain vibration can be absorbed, and the machining quality of a machine tool is improved.

Preferably, a fourth transverse supporting plate 125 is disposed between the first plate 121 and the second plate 122, the fourth transverse supporting plate 125 is connected to a plurality of fourth longitudinal supporting plates 126, and the fourth transverse supporting plate 125 is located in the middle of the fourth longitudinal supporting plates 126.

The fourth transverse supporting plate 125 is connected with the middle parts of the fourth longitudinal supporting plates 126, so that the stability among the fourth longitudinal supporting plates 126 is improved, and meanwhile, the fourth transverse supporting plate 125 can absorb part of vibration generated during machining of the machine tool, and the machining quality of the machine tool is improved.

Preferably, the fourth transverse support plate 125 is provided with a plurality of second base assembly hollow slots 127, and the second base assembly hollow slots 127 penetrate through the fourth transverse support plate 125; the fourth longitudinal support plate 126 is provided with a plurality of third base assembly hollow slots 128, the third base assembly hollow slots 128 extending through the fourth longitudinal support plate 126. Providing the second base assembly hollow 127 may reduce the raw material for manufacturing the fourth transverse support plate 125 and increase the heat dissipation effect of the support table 12. Providing the third base assembly hollow slot 128 may reduce the raw materials from which the fourth longitudinal support plate 126 is made and increase the heat dissipation effect of the support table 12.

Preferably, a second bearing post reinforcing rib 129 is disposed between two adjacent second bearing posts 124, and the second bearing post reinforcing rib 129 is connected to two adjacent second bearing posts 124.

The second bearing post reinforcing ribs 129 increase the rigidity and stability between two adjacent second bearing posts 124, and the second bearing post reinforcing ribs 129 can absorb part of vibration transmitted at the base assembly 1, thereby improving the processing quality of the machine tool.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present invention, and in addition, the present invention may be implemented in other ways, and any obvious substitution is within the scope of the present invention without departing from the concept of the present invention.

Claims

1. A machine tool, characterized in that: the device comprises a base assembly, a portal frame assembly arranged on the base assembly in a sliding manner and a machine head assembly arranged on the portal frame assembly in a sliding manner;

the third driving assembly comprises a second motor, a driving wheel and a belt, the second motor is arranged on the second lifting frame body, the driving wheel is connected to the output end of the second motor, the driving wheel is rotatably arranged in the third accommodating cavity, and the belt is wound on the driving wheel and the main shaft through the first groove; the vertical plate is provided with a second groove.

2. A machine tool according to claim 1, wherein: the sliding plate comprises a connecting plate and two sliding tables, the connecting plate is connected to the two sliding tables, the connecting plate and the two sliding tables are enclosed to form a first accommodating groove, a first sliding rail is arranged on the sliding tables, a first driving assembly is located in the first accommodating groove, and the connecting plate and the two sliding tables are integrally structured.

3. A machine tool according to claim 2, wherein: a plurality of fifth grooves are formed in the side, away from the first accommodating groove, of the connecting plate at intervals, the fifth grooves are formed by inwards sinking from the surface of the connecting plate, and a connecting plate vibration reduction rib is formed between every two adjacent fifth grooves; the connecting plate is also provided with a plurality of sixth grooves, the sixth grooves penetrate through the connecting plate, and one sixth groove is arranged in each fifth groove.

4. A machine tool according to claim 2, wherein: the sliding table is of a hollow structure and comprises a sliding table left side plate, a sliding table right side plate, a sliding table bottom plate, a sliding table sliding guide part, a sliding table front plate and a sliding table rear plate; the sliding table left side plate, the sliding table right side plate, the sliding table bottom plate, the sliding table guide part, the sliding table front plate and the sliding table rear plate are enclosed to form a sliding table, the sliding table bottom plate is connected with the connecting plate, and the first sliding rail is positioned at the sliding table guide part; the sliding table further comprises a plurality of first transverse supporting plates and a plurality of first longitudinal supporting plates, the first transverse supporting plates are arranged in the sliding table at intervals in parallel, and the first transverse supporting plates are connected to the left side plate, the right side plate, the bottom plate and the sliding guide part of the sliding table; the first longitudinal support plates are arranged in the sliding table at intervals in parallel, and are connected to the sliding table bottom plate, the sliding table guide part, the sliding table front plate and the sliding table rear plate; the first transverse supporting plate and the first longitudinal supporting plate are arranged in an intersecting mode.

5. A machine tool according to claim 1, wherein: the portal frame assembly comprises a portal frame and a fourth driving assembly; the portal frame comprises a beam part and two supporting leg parts, wherein the two supporting leg parts are respectively arranged at two ends of the beam part, the two supporting leg parts are slidably provided with base components, and the sliding plate is slidably arranged on the beam part; the beam part is provided with a groove and a plurality of second sliding rails which are respectively positioned at the upper side and the lower side of the groove; the sliding plate slides along the plurality of second sliding rails, and the fourth driving assembly is positioned in the groove;

6. A machine tool according to claim 5, wherein: the second transverse supporting plate is provided with a plurality of hollow grooves of the first portal frame assembly, and the hollow grooves of the first portal frame assembly penetrate through the second transverse supporting plate; the second longitudinal support plate is provided with a second portal frame assembly hollow groove, the second portal frame assembly hollow groove penetrates through the second longitudinal support plate, and the second portal frame assembly hollow groove is communicated with the first portal frame assembly hollow grooves.

7. A machine tool according to claim 5, wherein: the support leg part is of a hollow structure and comprises a support leg left side plate, a support leg right side plate, a support leg bottom plate, a support leg front side plate and a support leg rear side plate; one end of the left side plate of the supporting leg is connected with the bottom plate of the supporting leg, and the other end of the left side plate of the supporting leg is connected with the left side plate of the cross beam; one end of the right side plate of the supporting leg is connected with the bottom plate of the supporting leg, and the other end of the right side plate of the supporting leg is connected with the bottom plate of the cross beam; one end of the front side plate of the supporting leg is connected with the bottom plate of the supporting leg, and one end of the front side plate of the supporting leg is connected with the working panel; one end of the rear side plate of the supporting leg is connected with the bottom plate of the supporting leg, and the other end of the rear side plate of the supporting leg is connected with the rear side plate of the cross beam;

8. A machine tool according to claim 1, wherein: the base assembly comprises a base body and supporting tables, two supporting tables are arranged on the same side of the base body, a second accommodating groove is formed by surrounding the base body and the two supporting tables, and the portal frame assembly is arranged on the two supporting tables in a sliding mode; the base body is provided with a spiral chip remover for removing chips, and the spiral chip remover is positioned in the second accommodating groove;

9. A machine tool according to claim 8, wherein: the middle part of the bearing plate is provided with a first base component hollow groove, and the first base component hollow groove penetrates through the bearing plate; a first bearing column reinforcing rib is arranged between two adjacent first bearing columns, and the first bearing column reinforcing rib is positioned in the hollow groove of the first base component; one end of the first bearing column reinforcing rib is connected with the first bearing column, and the other end of the first bearing column reinforcing rib is connected with the bearing plate or the adjacent first bearing column.

10. A machine tool according to claim 8, wherein: the supporting table comprises a first plate, a second plate, a supporting table sliding guide part and a plurality of second bearing columns, one end of the first plate is connected with the base bottom plate, the other end of the first plate is connected with the supporting table sliding guide part, one end of the second plate is connected with the base top plate, and the other end of the second plate is connected with the supporting table sliding guide part;