CN212599697U

CN212599697U - Double-beam four-head laser cutting machine

Info

Publication number: CN212599697U
Application number: CN202020834695.4U
Authority: CN
Inventors: 陈永剑; 常勇
Original assignee: Guangdong Hongshi Laser Technology Co Ltd
Current assignee: Guangdong Hongshi Laser Technology Co Ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-02-26
Anticipated expiration: 2030-05-18

Abstract

The utility model provides a two crossbeam four-head laser cutting machine belongs to laser cutting technical field, including the main part, be equipped with the lathe bed in the main part, be equipped with the workstation on the lathe bed, the workstation both sides all are equipped with the Y axle beam, and the Y axle beam sets up along the fore-and-aft direction of lathe bed. Two X-axis beams crossing the workbench are arranged above the workbench, and two ends of the two X-axis beams are respectively arranged on the Y-axis beams on two sides of the workbench and can slide back and forth along the length direction of the Y-axis beams; two cutting heads are installed on each X-axis beam. The worktable is provided with a first driving system for driving the two X-axis beams to move, and each X-axis beam is provided with a second driving system for driving the cutting head to move. Four laser emission devices are installed on the lathe bed, and each laser emission device corresponds to a cutting head respectively. This laser cutting machine compact structure saves space, and installs a plurality of cutting heads, cuts efficiently.

Description

Double-beam four-head laser cutting machine

Technical Field

The utility model relates to a laser cutting technical field, more specifically relates to a two crossbeam four-head laser cutting machine.

Background

Laser cutting is to irradiate a workpiece with a focused high-power-density laser beam to quickly melt, vaporize and ablate the irradiated material or reach a burning point, and simultaneously blow off the molten material by means of a high-speed airflow coaxial with the beam, thereby realizing the cutting of the workpiece. The laser cutting equipment comprises a laser cutting machine, a laser engraving machine, a laser marking machine, a laser welding machine and the like, and along with the continuous development of cutting technology, the laser cutting equipment is more and more widely applied to various industries.

The existing laser cutting machine is generally provided with an X shaft and a Y shaft, the X shaft moves back and forth on the Y shaft, a cutting head is arranged on the X shaft and can move transversely on the X shaft, the general laser cutting machine is generally only provided with the X shaft for the cutting head to move back and forth, when the cutting head needs to move from one corner of the cutting machine to another corner in the cutting process, the cutting head needs to transversely move the whole machine, and the consumed time is long. And when the same pattern needs to be cut in a batch, the efficiency is low, or the efficiency can be improved by adding a machine. A double-end asynchronous laser cutting machine (CN107214422A2017.09.29) of Chinese patent discloses a laser cutting machine, including base, workstation, two longitudinal rail, two transverse rail, this cutting machine has had a cutting head more than traditional cutting machine, and efficiency has improved one time. But when a large amount of same workpieces need to be processed, the requirement of high-efficiency production of enterprises cannot be met. Therefore, a new laser cutting machine needs to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a two crossbeam four-head laser cutting machine, this laser cutting machine compact structure saves space, and installs a plurality of cutting heads, cuts efficiently.

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

a double-beam four-head laser cutting machine comprises a main body, wherein a machine body is arranged on the main body, and a workbench is arranged on the machine body;

y-axis beams are arranged on two sides of the workbench and are arranged along the front and back directions of the lathe bed;

two X-axis beams crossing the workbench are arranged above the workbench, and two ends of the two X-axis beams are respectively arranged on the Y-axis beams on two sides of the workbench and can slide back and forth along the length direction of the Y-axis beams; two cutting heads are mounted on each X-axis beam and can slide along the length direction of the X-axis beam;

the cutting machine is characterized in that a first driving system used for driving the two X-axis cross beams to move is arranged on the workbench, and a second driving system used for driving the cutting head to move is arranged on each X-axis cross beam.

The lathe bed is provided with four laser emitting devices, and each laser emitting device corresponds to one cutting head respectively.

The utility model discloses in the technical scheme of preferred, every X axle crossbeam and every all install the distancer on the cutting head.

In the preferred embodiment of the present invention, the first driving system includes:

the first driving motor is arranged on one side of the workbench and is positioned in the middle of a connecting line of the two Y-axis beams;

a plurality of first synchronizing wheels are arranged and respectively arranged at the front end and the rear end of the two Y-axis beams, and the first synchronizing wheels are driven by the first driving motor;

each first synchronous belt and the two first synchronous wheels form a closed loop structure for driving the X-axis beam to run on the Y-axis beam;

the connecting shaft, the connecting shaft sets up two, two the one end of connecting shaft all through the shaft coupling with first driving motor's output is connected, the other end respectively through the shaft coupling with two Y axle beam one end first synchronizing wheel is connected.

In the preferred embodiment of the present invention, the second driving system includes:

the second driving motor is arranged at any end where the X-axis beam and the Y-axis beam are connected;

second synchronizing wheels installed at both ends of each of the X-axis beams, the second synchronizing wheels being driven by the second driving motor;

the second hold-in range, every all install on the X axle crossbeam the second hold-in range, the second hold-in range with the second synchronizing wheel forms the drive the cutting head is in the closed loop structure of X axle crossbeam operation.

In the preferred technical solution of the present invention, both ends of each X-axis beam are provided with a first notch for the first synchronous belt to pass through, and a first pressing sheet for pressing the first synchronous belt is arranged at the first notch;

every all be equipped with the confession on the cutting head the second notch that the second hold-in range passed through, second notch department is equipped with and is used for compressing tightly the second preforming of second hold-in range.

In the preferred embodiment of the present invention, each of the laser emitting devices includes:

the laser cutting device comprises a light source, a first reflector seat positioned on an emergent light path of the light source and a second reflector seat positioned on the downstream of the first reflector seat, wherein the second reflector seat reflects laser to the cutting head.

The utility model discloses in the technical scheme of preferred, every the light source all includes mount pad and laser pipe, the mount pad is located one side of workstation, the laser pipe is installed on the mount pad, the outgoing end orientation of laser pipe first speculum seat sets up.

The utility model discloses in the technical scheme of preferred, the lathe bed top is equipped with the safety cover, the safety cover will the lathe bed covers completely and establishes.

The utility model discloses in the technical scheme of preferred, the safety cover is close to workstation one side is equipped with the apron, apron one side with the safety cover is articulated, the apron with even have the hydraulic stem between the lathe bed.

The utility model discloses in the technical scheme of preferred, the universal wheel is installed to four angle departments of main part bottom, is close to universal wheel department and installs adjustable foot cup.

The utility model has the advantages that:

the utility model provides a pair of crossbeam four-head laser cutting machine, this laser cutting machine compact structure saves space, installs two X axle crossbeams on the workstation of lathe bed, all installs two cutting heads on every X axle crossbeam, two X axle crossbeams are fixed relatively on Y axle roof beam and are driven by the hold-in range, two cutting heads are fixed relatively on X axle crossbeam and are driven by the hold-in range, four cutting heads can be worked simultaneously, need not to increase equipment and can realize cutting four the same figures simultaneously, save time high-efficient; and in the big work piece cutting process, controllable cutting head cuts nearby, reduces the consuming time of overall stroke, and cutting efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

fig. 1 is a perspective view of a double-beam four-head laser cutting machine provided by the present invention;

fig. 2 is a schematic structural diagram of a double-beam four-head laser cutting machine tool provided by the present invention;

fig. 3 is a side view of the double-beam four-head laser cutting machine provided by the present invention;

fig. 4 is a schematic view of the mounting structure of the Y-axis beam and the X-axis beam provided by the present invention;

fig. 5 is a partially enlarged view of a portion a in fig. 4;

fig. 6 is a partially enlarged view of a portion B in fig. 4;

fig. 7 is a partially enlarged view of portion C of fig. 4;

fig. 8 is a partially enlarged view of a portion D in fig. 4.

Reference numerals:

1. a main body; 2. a work table; 3. an adjustable foot cup; 4. a universal wheel; 5. a protective cover; 6. a bed body; 7. a laser emitting device; 8. a range finder; 10. a Y-axis beam; 20. an X-axis beam; 22. a cutting head; 51. a cover plate; 52. a hydraulic lever; 30. a first drive system; 40. a second drive system; 71. a light source; 72. a first mirror mount; 73. a second mirror mount; 202. a first notch; 204. a first tablet; 302. a first drive motor; 304. a connecting shaft; 306. a first synchronization belt; 308. a first synchronizing wheel; 310. a coupling; 402. a second drive motor; 404. a second synchronizing wheel; 406. a second synchronous belt; 502. a second notch; 504. and (7) second tabletting. 712. A mounting seat; 714. and (3) a laser tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly. In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

As shown in fig. 1-4, a double-beam four-head laser cutting machine comprises a main body 1, wherein a bed body 6 is arranged on the main body 1, and a workbench 2 is arranged on the bed body 6; during the cutting operation, the plate to be processed is placed on the worktable 2

Two sides of the workbench 2 are respectively provided with a Y-axis beam 10, and the Y-axis beams 10 are arranged along the front and back directions of the lathe bed 6; here, for convenience of description, the Y-axis beam 10 is defined to run in the front-rear direction of the bed 6, and the X-axis beam 20 is defined to run in the left-right direction of the bed 6.

Two X-axis beams 20 crossing the workbench 2 are arranged above the workbench 2, two ends of the two X-axis beams 20 are respectively arranged on the Y-axis beams 10 on two sides of the workbench 2, and the two X-axis beams can slide back and forth along the length direction of the Y-axis beams 10; two cutting heads 22 are mounted on each X-axis beam 20, and the two cutting heads 22 can slide along the length direction of the X-axis beam 20;

the workbench 2 is provided with a first driving system 30 for driving the two X-axis beams 20 to move, and each X-axis beam 20 is provided with a second driving system 40 for driving the cutting head 22 to move.

The lathe bed 6 is provided with four laser emitting devices 7, and each laser emitting device 7 corresponds to one cutting head 22.

The laser cutting machine is characterized in that two X-axis beams 20 crossing the worktable 2 are installed on the Y-axis beam 10 of the worktable 2, the Y-axis beam 10 is arranged along the front and back directions of the worktable 2, the X-axis beam 20 can move along the front and back directions of the worktable 2, a cutting head 22 is installed on the X-axis beam 20, the cutting head 22 can move along the left and right directions of the X-axis beam 20, and therefore the cutting head 22 can move front and back and left and right on the worktable 2. The X-axis beam 20 is driven by the first drive system 30, and the cutting head 22 is driven by the second drive system 40, so that a large number of workpieces with the same pattern can be processed if necessary during cutting operation. According to the size of a workpiece, the relative distance between the two X-axis cross beams 20 is adjusted, and then enough positions are reserved for the operation of the four cutting heads 22 by adjusting the relative distance between the cutting heads 22 on the two X-axis cross beams 20, so that the mutual interference between the cutting heads 22 is avoided. Four have been adjusted behind the position of cutting head 22, input concrete parameter can realize that four cutting heads 22 cut simultaneously, and work efficiency is 4 times of ordinary laser cutting machine, need not to install other equipment additional moreover, and is convenient high-efficient. When a large workpiece needs to be machined, the cutting head 22 can be controlled to cut nearby through the control system, the stroke of the cutting head 22 is shortened, and the cutting time is saved.

The double-beam four-head laser cutting machine is compact in structure and space-saving, two X-axis beams 20 are mounted on the workbench 2 of the lathe bed 6, two cutting heads 22 are mounted on each X-axis beam 20, the two X-axis beams 20 are relatively fixed on the Y-axis beam 10 and driven by a synchronous belt, the two cutting heads 22 are relatively fixed on the X-axis beams 20 and driven by the second synchronous belt 406, the four cutting heads 22 can operate simultaneously, four identical patterns can be cut simultaneously without increasing equipment, and time and efficiency are saved; in the process of cutting a large workpiece, the controllable cutting head 22 is close to cutting, time consumption of the overall stroke is reduced, and cutting efficiency is high.

Further, each of the X-axis beams 20 and each of the cutting heads 22 are mounted with a distance meter 8. The distance measuring instrument 8 on the X-axis beam 20 can measure the distance between the two X-axis beams 20, so that an operator can conveniently control the distance measuring instrument, the distance measuring instrument 8 on the cutting head 22 is used for measuring the distance between the two cutting heads 22, the distance measuring instrument 8 is used for electronic distance measurement, and measured distance data are directly fed back to a control system of the laser cutting machine.

With reference to fig. 4-6, further, the first drive system 30 includes:

the first driving motor 302 is installed on one side of the workbench 2, and is located in the middle of a connecting line of the two Y-axis beams 10;

a plurality of first synchronizing wheels 308, wherein the plurality of first synchronizing wheels 308 are respectively installed at the front end and the rear end of the two Y-axis beams 10, and the first synchronizing wheels 308 are driven by the first driving motor 302;

each Y-axis beam 10 is provided with one first synchronous belt 306, and each first synchronous belt 306 and two first synchronous wheels 308 form a closed loop structure for driving the X-axis beam 20 to run on the Y-axis beam 10;

two connecting shafts 304 are arranged, one end of each of the two connecting shafts 304 is connected with the output end of the first driving motor 302 through a coupler 310, and the other end of each of the two connecting shafts 304 is connected with the first synchronizing wheel 308 at one end of the two Y-axis beams 10 through couplers 310. The first driving motor 302 is installed at one side of the working table 2, and the two X-axis beams 20 are bilaterally symmetrical with respect to the first driving motor 302, so that the connecting shafts 304 at both sides of the first driving motor 302 are uniformly stressed. One end of the connection shaft 304 is connected to the output end of the first driving motor 302 through a coupling 310, and the other end is connected to the first synchronous wheel 308 through a coupling 310. Then, the rotation of the first driving motor 302 is transmitted to the first synchronous pulley 308 through the connecting shaft 304 to drive the first synchronous pulley 308 to rotate, the first synchronous pulley 308 drives the synchronous belt to rotate, and the first synchronous belt 306 drives the two X-axis beams 20 to move, so that the X-axis beams 20 move back and forth on the Y-axis beam 10. The first driving system 30 controls two X-axis beams 20 simultaneously through the connecting shaft 304, so that the arrangement and the use of a control device are saved, and the structure of the whole equipment is more compact.

With reference to fig. 4-6, further, the second drive system 40 includes:

a second driving motor 402, wherein the second driving motor 402 is installed at any end where the X-axis beam 20 and the Y-axis beam 10 are connected;

a second synchronizing wheel 404, the second synchronizing wheel 404 being installed at both ends of each of the X-axis beams 20, the second synchronizing wheel 404 being driven by the second driving motor 402;

each of the second synchronous belts 406 is installed on the X-axis beam 20, and the second synchronous belts 406 and the second synchronous wheels 404 form a closed loop structure for driving the cutting head 22 to move on the X-axis beam 20. The structure of the second driving system 40 is similar to that of the first driving system 30, except that the first driving system 30 drives two first synchronous wheels 308 on the Y-axis beam 10 at two sides by means of one driving motor, and the second driving system 40 drives one second synchronous wheel 404 by means of one driving motor to realize the operation of a second synchronous belt 406, so as to drive the cutting head 22 to move on the X-axis beam 20.

Further, the first driving motor 302 and the second driving motor 402 are servo motors. In order to improve the stability of the system, the first driving motor 302 and the second driving motor 402 are both selected from servo motors, and the servo motors have the characteristics of low starting voltage, quick response, large low-speed moment, small fluctuation, stable operation and the like, so that the whole laser cutting machine can operate more stably.

Further, both ends of the X-axis beam 20 are provided with first notches 202 for the first synchronous belt 306 to pass through, and the first notches 202 are provided with first pressing sheets 204 for pressing the first synchronous belt 306;

with reference to fig. 7 and 8, each cutting head 22 is provided with a second notch 502 for the second timing belt 406 to pass through, and a second pressing sheet for pressing the second timing belt 406 is provided at the second notch 502. After the first synchronous belt 306 passes through the first notch 202, the first pressing plate 204 is pressed down, so that the X-axis beam 20 is fixed on the first synchronous belt 306, and the first synchronous wheel 308 drives the first synchronous belt 306 to rotate, so that the X-axis beam 20 can be driven to move on the Y-axis beam 10. Similarly, the second presser 504 fixes the cutting head 22 to the second timing belt 406, and the second timing wheel 404 drives the second timing belt 406 to rotate, so as to achieve the movement of the cutting head 22. When the relative position of the two X-axis beams 20 needs to be changed, the distance between the two X-axis beams 20 can be adjusted by loosening the first pressing piece 204. Similarly, when the relative position of the two cutting heads 22 on the same X-axis beam 20 needs to be changed, the second pressing piece 504 is released for manual adjustment. After the adjustment is completed, the first pressing piece 204 and the second pressing piece 504 are pressed, so that the X-axis beam 20 and the first synchronous belt 306 are relatively fixed, and the cutting head 22 and the second synchronous belt 406 are relatively fixed.

With reference to fig. 1 and 2, further, each of the laser emitting devices 7 includes:

the laser cutting device comprises a light source 71, a first reflector holder 72 positioned on the emergent light path of the light source 71 and a second reflector holder 73 positioned at the downstream of the first reflector holder 72, wherein the second reflector holder 73 reflects laser to the cutting head 22. Further, the light source 71 sets up 4, every the light source 71 all includes mount pad 712 and laser pipe 714, the mount pad 712 is located one side of workstation 2, the laser pipe 714 is installed on mount pad 712, the exit end orientation of laser pipe 714 first reflector seat 72 sets up. The laser tube 714 adopts a carbon dioxide laser tube 714, the energy of the laser tube 714 is reflected to the second reflector seat 73 through the first reflector seat, and then is reflected to the cutting head 22 through the second reflector seat, and the cutting head 22 is provided with a focusing mirror, so that the energy transmitted by the laser tube 714 is focused, and the cutting is realized.

With reference to fig. 1 and 3, further, a protective cover 5 is disposed above the bed 6, and the bed 6 is completely covered by the protective cover 5. The protective cover 5 is used for protecting the workbench 2, on one hand, the cutting head 22 and other devices on the workbench 2 can be prevented from being damaged, and on the other hand, the laser cutting machine can be prevented from injuring operators in the machining process.

Further, with reference to fig. 1 and 3, a cover plate 51 is arranged on one side, close to the workbench 2, of the protective cover 5, one side of the cover plate 51 is hinged to the protective cover 5, and a hydraulic rod 52 is connected between the cover plate 51 and the bed 6. The cover plate 51 can be opened, the processing and the feeding are convenient, when the cover plate 51 is opened, the hydraulic rod 52 supports the cover plate 51, and after the feeding is completed, the cover plate 51 is put down, so that the whole protective cover 5 is closed.

With reference to fig. 1-3, further, universal wheels 4 are installed at four corners of the bottom of the main body 1, and adjustable foot cups 3 are installed near the universal wheels 4. The universal wheel 4 facilitates the movement and the positioning of the machine, and the adjustable foot cup 3 is used for adjusting the levelness of the machine after the machine is positioned, so that the whole machine is kept stable.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The utility model provides a two crossbeam four-head laser cutting machine, includes main part (1), be equipped with lathe bed (6) on main part (1), be equipped with workstation (2), its characterized in that on lathe bed (6):

y-axis beams (10) are arranged on two sides of the workbench (2), and the Y-axis beams (10) are arranged along the front and back directions of the lathe bed (6);

two X-axis beams (20) crossing the workbench (2) are arranged above the workbench (2), two ends of the two X-axis beams (20) are respectively installed on the Y-axis beams (10) on two sides of the workbench (2), and can slide back and forth along the length direction of the Y-axis beams (10); two cutting heads (22) are mounted on each X-axis cross beam (20), and the two cutting heads (22) can slide along the length direction of the X-axis cross beam (20);

a first driving system (30) for driving the two X-axis beams (20) to move is arranged on the workbench (2), and a second driving system (40) for driving the cutting head (22) to move is arranged on each X-axis beam (20);

four laser emitting devices (7) are installed on the lathe bed (6), and each laser emitting device (7) corresponds to one cutting head (22) respectively.

2. The double-beam four-head laser cutting machine according to claim 1, characterized in that:

each X-axis beam (20) and each cutting head (22) are provided with a distance meter (8).

3. The double-beam four-head laser cutting machine according to claim 1, characterized in that:

the first drive system (30) comprises:

the first driving motor (302) is arranged on one side of the workbench (2) and is positioned in the middle of a connecting line of the two Y-axis beams (10);

a plurality of first synchronous wheels (308), wherein the first synchronous wheels (308) are respectively arranged at the front end and the rear end of the two Y-axis beams (10), and the first synchronous wheels (308) are driven by the first driving motor (302);

each Y-axis beam (10) is provided with one first synchronous belt (306), and each first synchronous belt (306) and two first synchronous wheels (308) form a closed loop structure for driving the X-axis beam (20) to run on the Y-axis beam (10);

the connecting shaft (304), the connecting shaft (304) sets up two, two the one end of connecting shaft (304) all through shaft coupling (310) with the output of first driving motor (302) is connected, the other end respectively through shaft coupling (310) and two Y axle roof beam (10) one end first synchronizing wheel (308) are connected.

4. The double-beam four-head laser cutting machine according to claim 3, characterized in that:

the second drive system (40) comprises:

a second drive motor (402), wherein the second drive motor (402) is installed at any end where the X-axis beam (20) and the Y-axis beam (10) are connected;

a second synchronizing wheel (404), the second synchronizing wheel (404) being installed at both ends of each of the X-axis beams (20), the second synchronizing wheel (404) being driven by the second driving motor (402);

and each second synchronous belt (406) is installed on the X-axis beam (20), and the second synchronous belts (406) and the second synchronous wheels (404) form a closed loop structure which drives the cutting head (22) to run on the X-axis beam (20).

5. The double-beam four-head laser cutting machine according to claim 4, wherein:

two ends of each X-axis beam (20) are respectively provided with a first notch (202) for the first synchronous belt (306) to pass through, and a first pressing sheet (204) for pressing the first synchronous belt (306) is arranged at the first notch (202);

each cutting head (22) is provided with a second notch (502) for the second synchronous belt (406) to pass through, and a second pressing sheet (504) for pressing the second synchronous belt (406) is arranged at the position of the second notch (502).

6. The double-beam four-head laser cutting machine according to claim 5, wherein:

each of the laser emitting devices (7) includes:

the laser cutting machine comprises a light source (71), a first reflector base (72) located on an emergent light path of the light source (71) and a second reflector base (73) located on the downstream of the first reflector base (72), wherein the second reflector base (73) reflects laser to the cutting head (22).

7. The double-beam four-head laser cutting machine according to claim 6, wherein:

every light source (71) all includes mount pad (712) and laser pipe (714), mount pad (712) are located one side of workstation (2), install on mount pad (712) laser pipe (714), the emergent end orientation of laser pipe (714) first reflector seat (72) set up.

8. The double-beam four-head laser cutting machine according to claim 1, characterized in that:

the protective cover (5) is arranged above the lathe bed (6), and the lathe bed (6) is completely covered by the protective cover (5).

9. The double-beam four-head laser cutting machine according to claim 8, wherein:

safety cover (5) are close to workstation (2) one side is equipped with apron (51), apron (51) one side with safety cover (5) are articulated, apron (51) with even have hydraulic stem (52) between lathe bed (6).

10. The double-beam four-head laser cutting machine according to any one of claims 1 to 9, wherein:

the universal wheels (4) are installed at four corners of the bottom of the main body (1), and the adjustable foot cups (3) are installed at positions close to the universal wheels (4).