CN111331264A

CN111331264A - High-power hydraulic lifting laser cutting machine

Info

Publication number: CN111331264A
Application number: CN202010208093.2A
Authority: CN
Inventors: 肖俊; 王伟策
Original assignee: Zhejiang Taihao Technology Co ltd
Current assignee: Zhejiang Taihao Technology Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-06-26

Abstract

The invention provides a high-power hydraulic lifting laser cutting machine which comprises a main machine body, a cutting device, a protective cover, a control platform, an exchange workbench and a traction device, wherein the main machine body is provided with a main machine body; the traction device comprises a driving component a, a chain wheel transmission component a and a chain wheel traction component which are fixedly arranged on the main lathe body; the exchange workbench comprises a rack, a moving frame, two groups of cutting tables and a lifting device; two sets of elevating system through the linkage of synchronous chain are set up in the below of two cutting platforms that set up from top to bottom, and elevating system sets up in cutting platform both sides and carries out the lifting unit of synchronization action through sprocket drive assembly b including the symmetry, all be provided with drive chain among the lifting unit, promotion chain and drive assembly b, the cutting platform that at least one lifting unit work can be lifted and set up from top to bottom makes its sprocket drive assembly cooperation on main lathe bed, it has higher adaptability and higher work efficiency compared in prior art.

Description

High-power hydraulic lifting laser cutting machine

Technical Field

The invention relates to laser cutting equipment, in particular to a high-power hydraulic lifting laser cutting machine.

Background

The laser cutting machine focuses the laser emitted from the laser into a laser beam with high power density through a light path system, the laser beam irradiates the surface of a workpiece to enable the workpiece to reach a melting point or a boiling point, and simultaneously, high-pressure gas coaxial with the laser beam blows away molten or gasified metal. And finally, the material is cut along with the movement of the relative position of the light beam and the workpiece, so that the cutting purpose is achieved.

The invention discloses a laser cutting machine with an efficient intelligent lifting exchange table, which belongs to the technical field of special processing and comprises a main machine body, a lifting table, a lower cutting box body, an upper cutting box body, a protective cover, an operation station, an electric control cabinet, a moving beam, a laser cutting head, a group of blanking trolleys and a dust removal system, wherein the main machine body is provided with a front speed reduction sensor, a front stop sensor, a rear speed reduction sensor, an upper on-position sensor, an intermediate sensor, a lower on-position sensor, a transmission assembly, a driving assembly and a first guide rail. The invention firstly needs to extract the signal data of all the sensors, the control system receives the signal data of the sensors, the current position state of the material platform is judged according to the data, and then the follow-up actions of the two material platforms are controlled, so that the material platforms can quickly and automatically reach the required working position. Therefore, one-key exchange can be realized at any position of the two material platforms, automatic material changing is realized, and the working efficiency is improved.

However, when the lifting platform lifts the cutting box body, once the lifted driving assembly fails, the whole device cannot move up and switch the upper cutting table and the lower cutting table, and the device cannot normally operate, so that the production efficiency is affected.

Disclosure of Invention

In order to solve the problems, the invention provides a high-power hydraulic lifting laser cutting machine, wherein two groups of lifting mechanisms linked through synchronous chains are arranged below two cutting tables arranged up and down, each lifting mechanism comprises lifting assemblies which are symmetrically arranged on two sides of each cutting table and perform synchronous action through a chain wheel transmission assembly b, each lifting assembly is internally provided with a transmission chain, a lifting chain and a driving assembly b, and at least one lifting assembly works to lift the cutting tables arranged up and down so as to enable the cutting tables to be matched with chain wheel traction assemblies on a main bed body.

The invention provides the following technical scheme for achieving the purpose:

a high-power hydraulic lifting laser cutting machine comprises a main machine body, a cutting device, a protective cover, a control console, an exchange workbench and a traction device, wherein the exchange workbench is arranged on one side of the main machine body in a transition mode, and the traction device is arranged between the exchange workbench and the main machine body; the exchange workbench comprises a rack, a moving frame arranged in the rack in a vertically sliding manner through a plurality of groups of guide assemblies, two groups of cutting tables arranged vertically and arranged on the moving frame in a horizontally sliding manner, and a lifting device for driving the moving frame to move up and down, wherein the lifting device is arranged on the rack and is positioned below the two groups of cutting tables;

the traction device comprises a driving component a fixedly mounted on the main lathe bed, two groups of chain wheel transmission components a symmetrically arranged on two sides of the driving component a and two groups of chain wheel traction components arranged on the main lathe bed and respectively in power connection with the two groups of chain wheel transmission components a, each chain wheel traction component comprises a chain wheel respectively arranged at two ends of the main lathe bed in the length direction and a chain sleeved on the chain wheel, and a traction wheel capable of driving any cutting table to move to the main lathe bed is arranged on the inner side of the chain;

the lifting device comprises two groups of lifting mechanisms arranged along the horizontal traction direction of the cutting table and two groups of synchronous transmission synchronous assemblies connected with the lifting mechanisms, the lifting mechanisms comprise lifting assemblies arranged on two sides of the cutting table in a bilateral symmetry mode and chain wheel transmission assemblies b connected with the two groups of lifting assemblies to synchronously act, each lifting assembly comprises a driving assembly b and two groups of horizontal intervals, the driving assemblies b and the two groups of horizontal intervals are installed on the rack and respectively correspond to driven transmission members located above the chain wheel transmission assemblies b, and the driving assemblies b and the driven transmission members are in transmission connection with each other to form a transmission chain and a lifting chain, the driving assemblies b and the driving assemblies are far away from the free end of the lifting chain, arranged by the synchronous assemblies, are fixedly connected with each other through distribution valves, and the driving assemblies.

As an improvement, a plurality of groups of guide assemblies are respectively arranged in the middle of two groups of driven transmission members of the same lifting assembly.

As an improvement, the multiple groups of guide assemblies respectively comprise a slide rail vertically arranged on the rack and a slide block fixed on the movable frame and matched with the slide rail in a sliding manner.

As an improvement, the end parts of the two groups of cutting tables facing the main lathe body are respectively provided with a limiting block a, and the limiting block a is provided with a guide groove a in sliding fit with the traction wheel; two sets of another tip that the cutting bed was installed stopper a relatively is provided with spacing subassembly.

As an improvement, the limiting assembly comprises a limiting plate fixed at one end, far away from the main bed body, of the rack and limiting blocks b arranged on the two groups of cutting tables, and guide grooves b in sliding fit with the limiting plates are formed in the limiting blocks b.

As an improvement, the sprocket transmission component b comprises two sprocket transmission parts, and the sprocket transmission parts respectively comprise transmission shafts and sprocket groups which are arranged at two ends of the transmission shafts and respectively meshed with the transmission chains and the lifting chains for transmission.

As an improvement, the synchronous assembly comprises a synchronous chain which is in transmission connection with the adjacent chain wheel set in the two lifting assemblies positioned on the same side of the rack.

As an improvement, the driving assemblies b are all oil cylinders and are obliquely hinged on the rack, and the power output ends of the driving assemblies b are fixedly connected with the lifting chains.

As an improvement, the driving components b are arranged in parallel and respectively drive the transmission chain, the lifting chain and the synchronous chain to rotate towards the same direction.

As an improvement, the main lathe body further comprises a blanking trolley and a dust removal system, and the blanking trolleys are arranged at the bottom of the main lathe body; the dust removal system comprises a plurality of air ports which are arrayed along the length direction of the main lathe body and are arranged on the inner walls of the two sides of the main lathe body, air suction valve assemblies which are arranged corresponding to the air ports and are fixedly installed on the main lathe body, and dust channels which are symmetrically arranged on the two sides of the main lathe body and are communicated with the air ports and external dust collection equipment.

The invention has the beneficial effects that:

(1) two groups of lifting mechanisms linked through synchronous chains are arranged below two cutting tables arranged up and down, the lifting mechanisms comprise lifting assemblies which are symmetrically arranged on two sides of the cutting tables and synchronously act through a chain wheel transmission assembly b, transmission chains, lifting chains and driving assemblies b are arranged in the lifting assemblies, and under the matching of the transmission chains, the lifting chains, the synchronous chains and the chain wheel transmission assemblies b, the whole lifting device is integrated and has high synchronism, so that the cutting tables arranged up and down can be lifted by at least one lifting assembly, and the working efficiency of equipment is ensured;

(2) the driving assemblies b are power sources of the lifting device, and each driving assembly b is communicated with the same hydraulic station through a distribution valve, so that the synchronism among the four lifting assemblies is further ensured;

(3) the guide grooves a in the two groups of cutting tables arranged up and down are alternately matched with the traction wheel in the chain wheel traction assembly under the action of the lifting device, the traction wheel quickly pulls the cutting tables matched with the traction wheel onto the main lathe bed, and the traction device is matched with the lifting device, so that the quick exchange of the cutting tables is realized, and the working efficiency of the laser cutting machine is greatly improved;

(4) according to the invention, the height of the chain wheel traction assembly is kept inconvenient, the cutting tables arranged up and down are lifted by the lifting device, so that the traction wheels are clamped in the corresponding guide grooves a, the cutting tables entering the main machine body are always in a uniform height, the cutting head of the laser cutting machine is not required to be adjusted, the dynamic impact on the cutting head is reduced, and the equipment loss is reduced;

(5) according to the invention, the lifting assembly supplies power through the oil cylinder, the cutting table moves up and down in a power mode of chain wheel and chain transmission and a mode of matching chain wheel and chain transmission, the transmission efficiency of the chain wheel and chain is high, the structure is more compact, the volume of the lifting device is reduced, and the volume of the exchange workbench is reduced;

(6) according to the invention, the two groups of cutting tables move up and down under the guidance of the guide assembly formed by matching the sliding block and the sliding rail, so that the cutting tables are more stable and smoother in the lifting process, and the working efficiency of the lifting assembly is greatly improved.

In conclusion, the laser cutting device has the advantages of simple structure, ingenious design, stable lifting, high working efficiency of equipment and the like, and is particularly suitable for laser cutting of plates.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the main bed and the exchange workbench according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is a schematic diagram of a swap table structure;

FIG. 6 is a schematic view of the installation position of the lifting device;

fig. 7 is a working state diagram of the lifting device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example (b):

as shown in fig. 1 and 2, the invention provides a high-power hydraulic lifting laser cutting machine, which comprises a main bed body 1, a cutting device 2, a protective cover 3, a control platform 4, an exchange workbench 5 arranged on one side of the main bed body 1 in a transition manner, and a traction device 6 arranged between the exchange workbench 5 and the main bed body 1; the exchange workbench 5 comprises a rack 51, a moving frame 54 which is arranged in the rack 51 in a vertical sliding manner through a plurality of groups of guide assemblies 55, two groups of cutting tables 52 which are arranged in a vertical manner and are arranged on the moving frame 54 in a horizontal sliding manner, and a lifting device 53 for driving the moving frame 54 to move up and down, wherein the lifting device 53 is arranged on the rack 51 and is positioned below the two groups of cutting tables 52;

the traction device 6 comprises a driving assembly a61 fixedly mounted on the main lathe body 1, two groups of sprocket transmission assemblies a62 symmetrically arranged on two sides of the driving assembly a61, and two groups of sprocket traction assemblies 63 arranged on the main lathe body 1 and respectively in power connection with the two groups of sprocket transmission assemblies a62, wherein each sprocket traction assembly 63 comprises a sprocket 631 respectively arranged at two ends of the main lathe body 1 in the length direction and a chain 632 sleeved on the sprocket 631, and a traction wheel 633 capable of driving any cutting table 52 to move to the main lathe body 1 is arranged on the inner side of the chain 632;

the lifting device 53 comprises two groups of lifting mechanisms 531 arranged along the horizontal traction direction of the cutting table 52 and two groups of synchronous components 532 connected with the two groups of lifting mechanisms 531 for synchronous transmission, each lifting mechanism 531 comprises two groups of lifting components 5311 arranged on two sides of the cutting table 52 in bilateral symmetry and two groups of sprocket transmission components b5312 connected with the two groups of lifting components 5311 for synchronous action, each lifting component 5311 comprises a driving component b53111, two groups of driven transmission components 53112 horizontally arranged on the frame 51 at intervals and respectively corresponding to the upper parts of the sprocket transmission components b5312, and a transmission chain 53113 and a lifting chain 53114 both in transmission connection with the sprocket transmission components b5312 and the driven transmission components 53112, the driving components b53111 are fixedly connected with free ends of lifting chains 53114 far away from the synchronous components 532, and each driving component b53111 is connected with the same hydraulic station through a distribution valve.

It should be noted that the protective cover 3 is arranged on the main bed body 1, the cutting device 2 is erected on the main bed body 1 and is located in the protective cover 3, and the console 4 is installed on the main bed body 1 and drives the cutting device 2 to perform cutting operation.

As shown in fig. 5 to 7, as a preferred embodiment, a plurality of sets of the guide assemblies 55 are respectively disposed at the middle positions of two sets of the driven transmission members 53112 of the same lifting assembly 5311.

Further, each of the plurality of sets of guide assemblies 55 includes a slide rail 551 vertically installed on the frame 51 and a slide block 552 fixed on the moving frame 54 and slidably engaged with the slide rail 551.

It should be noted that the guide assembly 55 is disposed in the middle of the two sets of driven transmission members 53112 of the same lifting assembly 5311, so as to ensure uniform stress on both sides of the guide assembly 55, prevent the movable frame 54 from being jammed during the upward movement process, and further ensure the stability of the movable frame 54 during the upward movement process.

As shown in fig. 3 and 4, as a preferred embodiment, two sets of cutting tables 52 are respectively provided with a limiting block a521 at an end facing the main bed 1, and the limiting block a521 is provided with a guide groove a5211 in sliding fit with the traction wheel 633; the other end parts of the two groups of cutting tables 52 opposite to the limiting blocks a521 are provided with limiting assemblies 522.

Further, the limiting assembly 522 includes a limiting plate 5221 fixed to one end of the frame 51 far away from the main bed 1 and limiting blocks b5222 mounted on the two groups of cutting tables 52, and guide grooves b52221 in sliding fit with the limiting plate 5221 are formed in the limiting blocks b 5222.

It should be noted that, when the lifting device 53 lifts the two sets of cutting tables 52 to move up, the limiting block a521 on the cutting table 52 located below is aligned with the sprocket traction assembly 63, the traction wheel 633 is clamped in the guiding groove a5221, then the driving assembly a61 works, and the sprocket transmission assembly a62 drives the chain 632 to rotate, so that the traction wheel 633 guides the cutting table 52 to the main bed 1, at this time, the guiding groove 52221 in the limiting block b5222 of the cutting table 52 located above is matched with the limiting plate 5221 to limit the cutting table 52, so as to prevent the cutting table 52 from moving left and right during loading or unloading, and ensure production safety.

It should be further noted that when the upper cutting table 52 is guided onto the main bed 1 by the traction wheel 633, the guiding groove 52221 in the limiting block b5222 of the lower cutting table 52 is engaged with the limiting plate 5221.

It is important to note that the drive assembly a61 is preferably a motor drive assembly.

As shown in fig. 6 and 7, as a preferred embodiment, the sprocket driving assembly b5312 includes two sprocket driving members 53121, and the sprocket driving members 53121 respectively include a driving shaft 531211 and a sprocket set 531212 mounted at two ends of the driving shaft 531211 and respectively engaged with the driving chain 53113 and the lifting chain 53114 for driving.

Further, the synchronizing assembly 532 includes a synchronizing chain 5321 drivingly connected to the adjacent sprocket 531212 of the two lifting assemblies 5311 on the same side of the frame 51.

Furthermore, the driving components b53111 are all oil cylinders, and are all obliquely hinged on the frame 51, and the power output end of the driving components b53111 is fixedly connected with the lifting chain 53114.

Further, the driving components b53111 are all disposed in parallel and respectively drive the transmission chain 53113, the lifting chain 53114 and the synchronization chain 5321 to rotate in the same direction.

It should be noted that, as shown in fig. 7, the driving component b53111 pulls the lifting chain 53114, the driven transmission component 53112 correspondingly disposed thereon rotates, and simultaneously drives the transmission chain 53113 and the chain wheel set 531212 to rotate and transmit power to another driven transmission component 53112 in the same lifting component 5311, so that the lifting chain 53114 cooperating with the driven transmission component 53112 is pulled, and since the driving component b53111 is disposed in parallel, the synchronous chain 5321 will not be jammed when the lifting mechanism 531 works.

It should be noted that the synchronous chain 5321 and the transmission shaft 531211 enable the power generated by each driving assembly b53111 to be linked, so that the moving frame 54 and the two cutting tables 52 are integrally lifted as long as any one of the lifting assemblies 5311 works, thereby greatly improving the synchronism of the device.

It is important to say that the hydraulic station supplies oil to each driving assembly b53111 through a distribution valve, so that the power generated by each driving assembly b53111 is consistent, and the lifting synchronism of the lifting assembly 5311 and the stability of the cutting table 52 moving upwards are further improved.

As shown in fig. 2, the main bed 1 further includes a blanking trolley 11 and a dust removal system 12, and the blanking trolleys 11 are arranged at the bottom of the main bed 1; the dust removing system 12 comprises a plurality of air ports 121 arrayed along the length direction of the main lathe body 1 and arranged on the inner walls of the two sides of the main lathe body 1, air suction valve assemblies 122 arranged corresponding to the air ports 121 and fixedly installed on the main lathe body 1, and dust channels 123 symmetrically arranged on the two sides of the main lathe body 1 and communicated with the air ports 121 and external dust collecting equipment.

It should be noted that the blanking trolley 11 is used for receiving the small materials falling into the bottom of the main bed 1 from the gap of the cutting table 52, and the tuyere 121, the air suction valve assembly 122 and the dust channel 123 collect the dust generated in the cutting process of the cutting device 2, so as to maintain a good and comfortable laser working environment.

The working process is as follows:

in the present invention, a worker places a plate to be cut on the cutting table 52 located above, then the driving assembly b53111 works and pushes the lifting chain 53114, the driven transmission member 53112 corresponding to the lifting chain 53114 rotates, and simultaneously drives the transmission chain 53113 and the sprocket set 531212 to rotate and transmit power to the other driven transmission member 53112 in the same lifting assembly 5311, so that the lifting chain 53114 matching with the driven transmission member 53112 is pushed, and further the two cutting tables 52 move downward simultaneously, when the guiding groove a5211 in the limiting block a521 at one end of the cutting table 52 located above moves downward, the traction wheel 633 is clamped in the guiding groove a5211, and at this time, the guiding groove b52221 in the limiting block b5222 at the other end of the cutting table 52 is disengaged from the limiting plate 5221, then the driving assembly a61 works and rotates through the sprocket wheel a62 and the chain 632 to further rotate the sprocket assembly a 52631 and the chain 632 through the sprocket transmission assembly a 39632 The traction wheel 633 drives the cutting table 52 to move to the main bed body 1 and then cut, and the cutting table 52 located below at the moment is loaded; after the cutting is completed, the driving assembly a61 is turned over, so that the cutting table 52 located above is pushed onto the moving frame 54 by the traction wheel 633, then the lifting chain 53114 is pulled by the driving assembly b53111, the driven transmission member 53112, the transmission chain 53113, the chain wheel set 531212 and the synchronous chain 5321 are all rotated reversely with respect to the downward moving process, so that the two sets of cutting tables 52 are lifted simultaneously, at this time, the guiding groove a5211 in the limiting block a521 at one end of the cutting table 52 located above moves upwards to be separated from the traction wheel 633, the guiding groove b52221 in the limiting block b5222 at the other end of the cutting table 52 is in clamping fit with the limiting plate 5221, and at the same time, the guiding groove a5211 in the limiting block a521 of the cutting table 52 located below moves upwards, and the traction wheel 633 is clamped in the guiding groove b5221 at the other end of the cutting table 52, and the guiding groove b5221 at the other end of, then the traction wheel 633 drives the cutting table 52 positioned below to enter the main bed body 1 for cutting operation, meanwhile, the cutting table positioned above can perform lower plate material production operation and upper plate material operation in sequence, and the two groups of cutting tables 52 perform circular operation according to the process.

Claims

1. A high-power hydraulic lifting laser cutting machine comprises a main machine body (1), a cutting device (2), a protective cover (3) and a control console (4), and is characterized by further comprising an exchange workbench (5) arranged on one side of the main machine body (1) in a transition mode and a traction device (6) arranged between the exchange workbench (5) and the main machine body (1); the exchange workbench (5) comprises a rack (51), a moving frame (54) which is arranged in the rack (51) in a vertical sliding manner through a plurality of groups of guide assemblies (55), two groups of cutting tables (52) which are arranged in a vertical manner and are arranged on the moving frame (54) in a horizontal sliding manner, and a lifting device (53) which is used for driving the moving frame (54) to move up and down, wherein the lifting device (53) is arranged on the rack (51) and is positioned below the two groups of cutting tables (52);

the traction device (6) comprises a driving assembly a (61) fixedly mounted on the main bed body (1), two groups of chain wheel transmission assemblies a (62) symmetrically arranged on two sides of the driving assembly a (61) and two groups of chain wheel traction assemblies (63) arranged on the main bed body (1) and respectively in power connection with the two groups of chain wheel transmission assemblies a (62), each chain wheel traction assembly (63) comprises a chain wheel (631) respectively arranged at two ends of the main bed body (1) in the length direction and a chain (632) sleeved on the chain wheel (631), and a traction wheel (633) capable of dragging any cutting table (52) to move to the main bed body (1) is arranged on the inner side of the chain (632);

the lifting device (53) comprises two groups of lifting mechanisms (531) arranged along the horizontal traction direction of the cutting table (52) and a synchronous assembly (532) connected with the two groups of lifting mechanisms (531) for synchronous transmission, the lifting mechanisms (531) comprise lifting assemblies (5311) which are arranged on two sides of the cutting table (52) in bilateral symmetry and sprocket transmission assemblies b (5312) connected with the two groups of lifting assemblies (5311) for synchronous action, each lifting assembly (5311) comprises a driving assembly b (53111), two groups of driven transmission members (53112) which are horizontally arranged on the rack (51) at intervals and respectively corresponding to the upper parts of the sprocket transmission assemblies b (5312), and transmission chains (53113) and lifting chains (53114) which are in transmission connection with the sprocket transmission assemblies b (5312) and the driven transmission members (53112), the driving assemblies b (53111) are fixedly connected with the free ends of the lifting chains (53114) far away from the synchronous assembly (532), and each of said drive assemblies b (53111) is connected to the same hydraulic station through a distribution valve.

2. The high-power hydraulic lifting laser cutting machine according to claim 1, wherein multiple sets of the guide assemblies (55) are respectively arranged at the middle positions of two sets of the driven transmission members (53112) of the same lifting assembly (5311).

3. The high-power hydraulic lifting laser cutting machine according to claim 2, wherein the plurality of sets of guide assemblies (55) comprise a slide rail (551) vertically mounted on the machine frame (51) and a slide block (552) fixed on the moving frame (54) and slidably engaged with the slide rail (551).

4. The high-power hydraulic lifting laser cutting machine according to claim 1, wherein the ends of the two cutting tables (52) facing the main machine body (1) are respectively provided with a limiting block a (521), and the limiting block a (521) is provided with a guide groove a (5211) in sliding fit with the traction wheel (633); the other end of the two groups of cutting tables (52) opposite to each other provided with a limiting block a (521) is provided with a limiting assembly (522).

5. The high-power hydraulic lifting laser cutting machine according to claim 4, wherein the limiting assembly (522) comprises a limiting plate (5221) fixed at one end of the frame (51) far away from the main bed (1) and limiting blocks b (5222) installed on the two groups of cutting tables (52), and the limiting blocks b (5222) are provided with guide grooves b (52221) in sliding fit with the limiting plate (5221).

6. The high-power hydraulic lifting laser cutting machine according to claim 1, wherein the sprocket drive assembly b (5312) comprises two sprocket drive members (53121), and the sprocket drive members (53121) respectively comprise a drive shaft (531211) and sprocket sets (531212) mounted at two ends of the drive shaft (531211) and respectively meshed with the drive chain (53113) and the lifting chain (53114).

7. The high power hydraulic lift laser cutting machine according to claim 6, characterized in that the synchronization assembly (532) comprises a synchronization chain (5321) drivingly connecting adjacent sprocket sets (531212) of two of the lift assemblies (5311) located on the same side of the frame (51).

8. The high-power hydraulic lifting laser cutting machine according to claim 7, wherein the driving assemblies b (53111) are all oil cylinders and are all obliquely hinged on the frame (51), and the power output ends of the driving assemblies b (53111) are fixedly connected with the lifting chains (53114).

9. The high-power hydraulic lifting laser cutting machine according to claim 8, wherein the driving assemblies b (53111) are all arranged in parallel and respectively drive the transmission chain (53113), the lifting chain (53114) and the synchronous chain (5321) to rotate in the same direction.

10. The high-power hydraulic lifting laser cutting machine according to claim 1, characterized in that the main machine body (1) further comprises a blanking trolley (11) and a dust removal system (12), wherein a plurality of blanking trolleys (11) are arranged at the bottom of the main machine body (1); the dust removal system (12) comprises a plurality of air ports (121) which are arrayed along the length direction of the main lathe body (1) and are arranged on the inner walls of the two sides of the main lathe body (1), air suction valve assemblies (122) which are correspondingly arranged with the air ports (121) and are fixedly installed on the main lathe body (1), and dust channels (123) which are symmetrically arranged on the two sides of the main lathe body (1) and are communicated with the air ports (121) and external dust collection equipment.