CN114227002A

CN114227002A - Sheet laser cutting machine capable of automatically feeding and discharging

Info

Publication number: CN114227002A
Application number: CN202111571911.6A
Authority: CN
Inventors: 邓少威
Original assignee: Shenzhen Guangyu Laser Technology Co ltd
Current assignee: Shenzhen Guangyu Laser Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-03-25

Abstract

The invention discloses a sheet laser cutting machine capable of automatically feeding and discharging, which belongs to the technical field of laser cutting equipment and comprises a feeding mechanism, a laser cutting mechanism, a material receiving mechanism and a control system, wherein the feeding mechanism is connected to the left side of the laser cutting mechanism, the material receiving mechanism is arranged on the left side of the feeding mechanism, and the control system is used for being electrically connected with the feeding mechanism, the laser cutting mechanism and the material receiving mechanism and controlling the operation. According to the invention, the feeding mechanism and the blanking mechanism are reasonably arranged on one side or two sides of the laser cutting mechanism, so that more operation time occupied by manual material receiving and discharging processing is not needed, automatic sheet processing and material loading and unloading are realized, the processing utilization rate is improved, and the labor cost of enterprises is reduced.

Description

Sheet laser cutting machine capable of automatically feeding and discharging

Technical Field

The invention belongs to the technical field of laser cutting equipment, and relates to a sheet laser cutting machine capable of automatically feeding and discharging.

Background

The laser cutting processing uses light beams to replace the traditional mechanical knife, has the advantages of high precision, quick cutting, no limitation on cutting patterns, smooth cut, low processing cost and the like, and can gradually improve or replace the traditional cutting processing equipment.

At present, the laser cutting machine on the market still has following shortcoming:

1. the existing laser cutting machine is used for manually discharging and receiving materials; the working efficiency is low, the utilization rate of the laser cutting machine is low, the invalid operation time is long, and the productivity is low;

2. in the operation of the laser cutting machine, one person operates one laser cutting machine, and when a plurality of laser cutting machines are simultaneously processed, a large number of operators are needed, so that the personnel use cost of enterprises is high.

Disclosure of Invention

The invention provides a sheet laser cutting machine capable of automatically feeding and discharging, and aims to solve the problems that the conventional laser cutting machine is used for manually receiving and discharging materials, takes more processing time, and causes lower processing utilization rate and higher labor cost of enterprises.

In order to achieve the purpose, the invention provides a sheet laser cutting machine capable of automatically feeding and discharging, which comprises a feeding mechanism, a laser cutting mechanism and a control system, wherein the feeding mechanism is connected to the left side of the laser cutting mechanism, and the control system is used for being electrically connected with the feeding mechanism and the laser cutting mechanism and controlling the operation;

laser cutting mechanism includes laser rack, vertical actuating mechanism, horizontal actuating mechanism, laser cutter and CCD detector of shooing, laser rack middle part is equipped with the sheet processing district, the left and right sides that the laser rack is located the sheet processing district is equipped with vertical actuating mechanism, be equipped with horizontal actuating mechanism on the vertical actuating mechanism, be equipped with the carriage on the horizontal actuating mechanism, be equipped with laser cutter on the mount, laser cutter one side is equipped with CCD detector of shooing.

Furthermore, longitudinal driving mechanism includes longitudinal guide, sliding connection board and vertically drives actuating cylinder, longitudinal guide is located the left and right ends of sheet processing district and arranges, sliding connection board's both ends and the mutual sliding connection of two longitudinal guide about with, vertically drive actuating cylinder and fix and set up in sliding connection board's one end in order to drive sliding connection board longitudinal movement.

Further, horizontal actuating mechanism is including fixed setting up the transverse guide on sliding connection board, transverse guide one side is equipped with the horizontal actuating cylinder that drives, the carriage sets up on transverse guide, the horizontal actuating cylinder that drives is connected with the carriage in order to drive carriage lateral shifting.

Furthermore, the feeding mechanism comprises a feeding cabinet, a lifting platform, a feeding driving motor, a first beam module, a first lifting cylinder, a first sucker component and a material height detection sensor, the lifting platform is arranged at the middle lower part of the feeding cabinet, the feeding driving motor is arranged on the rear side below the lifting platform, the first beam module is arranged above the lifting platform, a first connecting plate is arranged on the first beam module, one end of the first connecting plate is fixedly connected with the first lifting cylinder, the first sucker component is arranged at the bottom end of the first lifting cylinder, the feeding driving motor is connected with the lifting platform to drive the lifting platform to move up and down, the material height detection sensor is arranged on the inner side of the feeding cabinet, and the control system is electrically connected with the feeding driving motor, the first beam module, the first lifting cylinder, the first sucker component and the material height detection sensor.

Further, first crossbeam module includes first crossbeam guide rail, first crossbeam motor, first transfer wheel, first movable pulley and first conveyer belt, the upper portion of material loading rack is equipped with first mounting bracket, first mounting bracket lower part sliding connection is equipped with mobilizable first crossbeam guide rail, the both ends of first crossbeam guide rail are equipped with the first conveyer belt of coiling, the fixed first crossbeam motor that is equipped with in first mounting bracket rear side, the front end of first mounting bracket is equipped with the first transfer wheel of being connected with first crossbeam motor, the first transfer wheel left and right sides is equipped with adjustable first movable pulley, first conveyer belt and first transfer wheel reach two first movable pulleys of controlling and are connected to order about first crossbeam guide rail and remove.

Furthermore, the first sucking disc assembly comprises a first connecting arm, a first sucking disc support and a first vacuum sucking disc, one end of the first connecting arm is fixedly connected to the bottom end of the first lifting cylinder, the first connecting arm is provided with a plurality of adjustable first sucking disc supports, and the outer side end of the first sucking disc support is connected with the first vacuum sucking disc used for taking, placing and sucking materials.

The laser cutting device is characterized by further comprising a material receiving mechanism, wherein the material receiving mechanism is connected and arranged on the left side of the material loading mechanism, or the material receiving mechanism is connected and arranged on the right side of the laser cutting mechanism, and the control system is electrically connected with the material receiving mechanism and controls the operation of the material receiving mechanism; the receiving mechanism comprises a receiving machine cabinet and receiving positioning blocks, wherein the receiving machine cabinet is provided with 4 positioning blocks, and four corners of the positioning blocks are distributed to form a receiving placement area.

Further, work as receiving agencies connects when setting up in laser cutting mechanism's right side, receiving agencies still includes second crossbeam module, second lift cylinder, second sucking disc subassembly, second crossbeam module sets up in receiving agencies upper portion, be equipped with the second connecting plate on the second crossbeam module, second connecting plate one end fixed connection is equipped with second lift cylinder, the bottom of second lift cylinder is equipped with second sucking disc subassembly.

Further, the second crossbeam module includes second crossbeam guide rail, second crossbeam motor, second transfer gear, second movable pulley and second conveyer belt, the upper portion of receiving the material rack is equipped with the second mounting bracket, second mounting bracket lower part sliding connection is equipped with mobilizable second crossbeam guide rail, the both ends of second crossbeam guide rail are equipped with the second conveyer belt of coiling, the fixed second crossbeam motor that is equipped with in second mounting bracket rear side, the front end of second mounting bracket is equipped with the second transfer gear of being connected with second crossbeam motor, the second transfer gear left and right sides is equipped with adjustable second movable pulley, the second conveyer belt is connected with the second transfer gear and controls two second movable pulleys to order about the second crossbeam guide rail and control.

Further, the second sucker component comprises a second connecting arm, a second sucker support and a second vacuum sucker, one end of the second connecting arm is fixedly connected to the bottom end of the second lifting cylinder, the second connecting arm is provided with a plurality of adjustable second sucker supports, and the outer side end of each second sucker support is connected with the second vacuum sucker used for taking, placing and sucking materials.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a sheet laser cutting machine capable of automatically feeding and discharging, wherein a feeding mechanism and a discharging mechanism are reasonably arranged on one side or two sides of a laser cutting mechanism, so that more operation time occupied by manual material receiving and discharging processing is not needed, automatic sheet processing and feeding and discharging are realized, the processing utilization rate is improved, and the labor cost of enterprises is reduced.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic combined three-dimensional structure according to a first embodiment of the present invention;

FIG. 2 is a schematic diagram of the control system connections of the present invention;

FIG. 3 is a schematic perspective view of a laser cutting mechanism according to the present invention;

FIG. 4 is a schematic top view of the laser cutting mechanism of the present invention;

FIG. 5 is an enlarged view of A in FIG. 3;

FIG. 6 is an enlarged view of B in FIG. 3;

FIG. 7 is a schematic perspective view of a loading mechanism according to the present invention;

FIG. 8 is a schematic front view of the feeding mechanism of the present invention;

FIG. 9 is an enlarged view of C in FIG. 7;

FIG. 10 is a schematic perspective view of a first suction cup assembly of the loading mechanism of the present invention;

fig. 11 is a schematic perspective view of a material receiving mechanism according to a first embodiment of the invention;

FIG. 12 is a schematic combined perspective view of a second embodiment of the present invention;

FIG. 13 is a schematic combined perspective view of a third embodiment of the present invention;

fig. 14 is a schematic perspective view of a material receiving mechanism in the third embodiment of the present invention;

fig. 15 is a schematic front view of a receiving mechanism in the third embodiment of the present invention;

FIG. 16 is an enlarged view of D in FIG. 14;

FIG. 17 is a schematic perspective view illustrating a second chuck assembly of the receiving mechanism according to the third embodiment of the invention;

reference numerals:

1. a feeding mechanism; 101. a feeding cabinet; 102. a lifting platform; 103. a feeding driving motor; 104. a first lifting cylinder; 105. a material height detection sensor; 106. a first connecting plate; 2. a laser cutting mechanism; 201. a laser cabinet; 202. a sheet processing zone; 3. a material receiving mechanism; 301. a receiving machine cabinet; 302. a material receiving positioning block; 303. a material receiving and placing area; 304. a second lifting cylinder; 305. a second connecting plate; 4. a longitudinal drive mechanism; 401. a longitudinal guide rail; 402. a sliding connection plate; 403. a longitudinal driving cylinder; 5. a lateral drive mechanism; 501. a laser cutter; 502. a CCD photographing detector; 503. a carriage; 504. a transverse guide rail; 6. a first beam module; 601. a first cross beam guide rail; 602. a first beam motor; 603. a first transfer wheel; 604. a first pulley; 605. a first conveyor belt; 606. a first mounting bracket; 7. a first suction cup assembly; 701. a first connecting arm; 702. a first suction cup holder; 703. a first vacuum chuck; 8. a second beam module; 801. a second cross-beam guide rail; 802. a second beam motor; 803. a second transfer wheel; 804. a second pulley; 805. a second conveyor belt; 806. a second mounting bracket; 9. a second chuck assembly; 901. a second connecting arm; 902. a second suction cup holder; 903. a second vacuum chuck; 10. and (5) controlling the system.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The first embodiment is as follows:

in order to achieve the above purpose, an embodiment of the present invention provides an automatic loading and unloading sheet laser cutting machine, which is shown in fig. 1-2 and includes a loading mechanism 1, a laser cutting mechanism 2, a material receiving mechanism 3 and a control system 10, wherein the loading mechanism 1 is connected to the left side of the laser cutting mechanism 2, the material receiving mechanism 3 is arranged on the left side of the loading mechanism 1, and the control system 10 is used for electrically connecting and controlling the operation of the loading mechanism 1, the laser cutting mechanism 2 and the material receiving mechanism 3;

wherein, as shown in fig. 3-4, the laser cutting mechanism 2 includes a laser cabinet 201, a longitudinal driving mechanism 4, a transverse driving mechanism 5, a laser cutter 501 and a CCD photo detector 502, the middle of the laser cabinet 201 is provided with a sheet processing area 202, the left and right sides of the laser cabinet 201, which is located in the sheet processing area 202, are provided with the longitudinal driving mechanism 4, the longitudinal driving mechanism 4 is provided with the transverse driving mechanism 5, the transverse driving mechanism 5 is provided with a sliding frame 503, the fixed frame is provided with the laser cutter 501, and one side of the laser cutter 501 is provided with the CCD photo detector 502.

Further, referring to fig. 5, the longitudinal driving mechanism 4 includes longitudinal guide rails 401, a sliding connection plate 402, and a longitudinal driving cylinder 403, the longitudinal guide rails 401 are disposed at the left and right ends of the sheet processing area 202, the two ends of the sliding connection plate 402 are slidably connected to the left and right longitudinal guide rails 401, and the longitudinal driving cylinder 403 is fixedly disposed at one end of the sliding connection plate 402 to drive the sliding connection plate 402 to move longitudinally.

Further, referring to fig. 6, the transverse driving mechanism 5 includes a transverse guide 504 fixedly disposed on the sliding connection plate 402, one side of the transverse guide 504 is provided with a transverse driving cylinder, the sliding frame 503 is disposed on the transverse guide 504, and the transverse driving cylinder is connected with the sliding frame 503 to drive the sliding frame 503 to move transversely.

Referring to fig. 7-8, the feeding mechanism 1 includes a feeding cabinet 101, a lifting table 102, a feeding driving motor 103, a first beam module 6, a first lifting cylinder 104, a first sucking disc assembly 7, and a material height detecting sensor 105, the lifting table 102 is disposed at the middle lower portion of the feeding cabinet 101, the feeding driving motor 103 is disposed at the rear side below the lifting table 102, the first beam module 6 is disposed above the lifting table 102, a first connecting plate 106 is disposed on the first beam module 6, a first lifting cylinder 104 is fixedly connected to one end of the first connecting plate 106, the first sucking disc assembly 7 is disposed at the bottom end of the first lifting cylinder 104, the feeding driving motor 103 is connected to the lifting table 102 to drive the lifting table 102 to move up and down, the material height detecting sensor 105 is disposed at the inner side of the feeding cabinet 101, and the control system 10, the feeding driving motor 103, the material height detecting sensor 105 is disposed at the inner side of the feeding cabinet 101, The first beam module 6, the first lifting cylinder 104, the first sucking disc assembly 7 and the material height detection sensor 105 are electrically connected.

Further, referring to fig. 9, the first crossbeam module 6 includes a first crossbeam guide rail 601, a first crossbeam motor 602, a first transmission wheel 603, a first sliding wheel 604 and a first transmission belt 605, the upper portion of the feeder cabinet 101 is provided with a first mounting frame 606, the lower portion of the first mounting frame 606 is slidably connected to the first crossbeam guide rail 601 and provided with a movable first crossbeam guide rail 601, two ends of the first crossbeam guide rail 601 are provided with first transmission belts 605 which are wound, the rear side of the first mounting frame 606 is fixedly provided with the first crossbeam motor 602, the front end of the first mounting frame 606 is provided with the first transmission wheel 603 connected to the first crossbeam motor 602, the left and right sides of the first transmission wheel 603 are provided with adjustable first sliding wheels 604, and the first transmission belt is connected to the first transmission wheel 603 and the left and right first sliding wheels 604 so as to drive the first crossbeam guide rail 601 to move left and right.

Further, referring to fig. 10, the first suction cup assembly 7 includes a first connecting arm 701, a first suction cup support 702, and a first vacuum suction cup 703, one end of the first connecting arm 701 is fixedly connected to the bottom end of the first lifting cylinder 104, the first connecting arm 701 is provided with a plurality of adjustable first suction cup supports 702, and an outer side end of the first suction cup support 702 is connected to the first vacuum suction cup 703 for taking, placing, and sucking materials.

Referring to fig. 11, the material receiving mechanism 3 includes a material receiving cabinet 301 and material receiving positioning blocks 302, wherein the material receiving cabinet 301 is provided with 4 positioning blocks, and four corners of the positioning blocks are distributed to form a material receiving area 303.

In this embodiment, a worker places sheets (for example, metal sheets, wood sheets, or plastic sheets) in a stack shape cut in advance on the lifting table 102, the control system 10 controls the feeding mechanism 1 to drive the first vacuum chuck 703 to adsorb the sheets and move and place the sheets in the sheet processing area 202 of the laser cutting mechanism 2, the sheets are photographed and transmitted to the control system 10 through the CCD photographing detector 502, and the control system 10 controls the laser cutter 501 to process the sheets, and the processing track may be a horizontal line, a vertical line, an arc line, or the like; after finishing processing, control system 10 controls first vacuum chuck 703 of feed mechanism 1 drive and adsorbs the sheet that finishes processing and move and place the receipts material of unloading mechanism and place the district 303, so go up unloading and processing repeatedly, need not artifical more operation length that receives and releases the material processing shared, realize sheet automatic processing and go up unloading, promote the utilization rate of processing and reduce the recruitment cost of enterprise.

It should be noted that the control system 10 may be a numerical control system, which includes a computer operation terminal and a programming terminal, and a control terminal with PLC function. The length of the first beam guide 601 is designed to satisfy: the first vacuum chuck 703 on the first beam guide 601 sequentially crosses the material receiving placement area 303, the lifting table 102 and the sheet processing area 202 from left to right, thereby realizing the dual functions of automatic feeding and material receiving.

Of course, screw fixed connection and receiving agencies 3 and laser cutting mechanism 2 are passed through at both ends about feed mechanism 1, can be as required the partition or assemblage, and the enterprise of being convenient for takes up an area of according to actual space and arranges this sheet laser cutting machine, can arrange in a flexible way, and the transportation is also convenient.

Example two:

referring to fig. 12, in the first embodiment, adjustment is made to connect the material receiving mechanism 3 to the right side of the laser cutting mechanism 2, and the length of the first beam guide 601 is designed to satisfy: the first vacuum chuck 703 on the first beam guide 601 sequentially spans across the lifting table 102, the sheet processing area 202 and the material receiving placement area 303 from left to right, thereby realizing the dual functions of automatic feeding and material receiving.

Example three:

referring to fig. 13-15, in the first embodiment, adjustment is made to connect the material receiving mechanism 3 to the right side of the laser cutting mechanism 2, wherein the length of the first beam guide 601 is designed to satisfy the following requirements: the first vacuum chuck 703 on the first beam guide 601 sequentially spans across the lifting table 102 and the sheet processing area 202 from left to right to achieve the purpose of automatic feeding; and receiving agencies 3 still includes second crossbeam module 8, second lift cylinder 304, second sucking disc subassembly 9, second crossbeam module 8 sets up in receiving agencies 3 upper portion, be equipped with second connecting plate 305 on the second crossbeam module 8, second connecting plate 305 one end fixed connection is equipped with second lift cylinder 304, the bottom of second lift cylinder 304 is equipped with second sucking disc subassembly 9. The length design of the second beam guide rail 801 satisfies the following requirements: the second vacuum chuck 903 on the second beam guide 801 sequentially crosses the sheet processing area 202 and the material receiving area 303 from left to right, so as to achieve the purpose of automatic material receiving.

Further, referring to fig. 16, the second beam module 8 includes a second beam guide 801, a second beam motor 802, a second conveying wheel 803, a second sliding wheel 804 and a second conveying belt 805, the upper portion of the material receiving cabinet 301 is provided with a second mounting rack 806, the lower portion of the second mounting rack 806 is slidably connected with the movable second beam guide 801, two ends of the second beam guide 801 are provided with second conveying belts 805 which are wound, the rear side of the second mounting rack 806 is fixedly provided with the second beam motor 802, the front end of the second mounting rack 806 is provided with the second conveying wheel 803 connected with the second beam motor 802, the left and right sides of the second conveying wheel 803 are provided with adjustable second sliding wheels 804, and the second conveying belt 805 is connected with the second conveying wheel 803 and the left and right second sliding wheels 804 to drive the second beam guide 801 to move left and right.

Further, referring to fig. 17, the second suction cup assembly 9 includes a second connecting arm 901, a second suction cup support 902, and a second vacuum suction cup 903, one end of the second connecting arm 901 is fixedly connected to the bottom end of the second lifting cylinder 304, the second connecting arm 901 is provided with a plurality of adjustable second suction cup supports 902, and the outer side end of the second suction cup support 902 is connected to the second vacuum suction cup 903 for taking, placing, and sucking materials.

In conclusion, the invention provides the sheet laser cutting machine capable of automatically feeding and discharging, the feeding mechanism 1 and the discharging mechanism are reasonably arranged on one side or two sides of the laser cutting mechanism 2, so that more operation time occupied by manual material receiving and discharging processing is not needed, automatic sheet processing and feeding and discharging are realized, the processing utilization rate is improved, and the labor cost of enterprises is reduced.

The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and such will fall within the scope of the invention.

Claims

1. The sheet laser cutting machine capable of automatically feeding and discharging is characterized by comprising a feeding mechanism, a laser cutting mechanism and a control system, wherein the feeding mechanism is connected to the left side of the laser cutting mechanism, and the control system is used for being electrically connected with the feeding mechanism and the laser cutting mechanism and controlling the operation of the feeding mechanism and the laser cutting mechanism;

2. The laser cutting machine for sheet material with automatic loading and unloading function as claimed in claim 1, wherein the longitudinal driving mechanism comprises longitudinal guide rails, a sliding connection plate and a longitudinal driving cylinder, the longitudinal guide rails are disposed at the left and right ends of the sheet material processing area, the two ends of the sliding connection plate are slidably connected with the left and right longitudinal guide rails, and the longitudinal driving cylinder is fixedly disposed at one end of the sliding connection plate to drive the sliding connection plate to move longitudinally.

3. The laser cutting machine for sheet material with automatic loading and unloading as claimed in claim 2, wherein the transverse driving mechanism comprises a transverse guide rail fixedly arranged on the sliding connection plate, a transverse driving cylinder is arranged on one side of the transverse guide rail, the sliding frame is arranged on the transverse guide rail, and the transverse driving cylinder is connected with the sliding frame to drive the sliding frame to move transversely.

4. The laser cutting machine for sheet material with automatic loading and unloading function as claimed in claim 3, wherein the loading mechanism comprises a loading cabinet, a lifting table, a loading driving motor, a first beam module, a first lifting cylinder, a first sucking disc assembly and a material height detecting sensor, the lifting table is arranged at the middle lower part of the loading cabinet, the loading driving motor is arranged at the rear side below the lifting table, the first beam module is arranged above the lifting table, a first connecting plate is arranged on the first beam module, the first lifting cylinder is fixedly connected to one end of the first connecting plate, the first sucking disc assembly is arranged at the bottom end of the first lifting cylinder, the loading driving motor is connected with the lifting table to drive the lifting table to move up and down, the material height detecting sensor is arranged at the inner side of the loading cabinet, and the control system, the loading driving motor, the first beam module, the first sucking disc assembly and the material height detecting sensor are arranged on the inner side of the loading cabinet, The first lifting cylinder, the first sucking disc component and the material height detection sensor are electrically connected.

5. The automatic loading and unloading sheet laser cutting machine according to claim 4, wherein the first beam module comprises a first beam guide rail, a first beam motor, a first transmission wheel, a first sliding wheel and a first transmission belt, a first installation frame is arranged at the upper portion of the loading cabinet, a movable first beam guide rail is arranged at the lower portion of the first installation frame in a sliding connection mode, first transmission belts are arranged at two ends of the first beam guide rail in a winding mode, the first beam motor is fixedly arranged on the rear side of the first installation frame, the first transmission wheel connected with the first beam motor is arranged at the front end of the first installation frame, adjustable first sliding wheels are arranged on the left side and the right side of the first transmission wheel, and the first transmission belt is connected with the first transmission wheel and the left and right first sliding wheels so as to drive the first beam guide rail to move left and right.

6. The laser cutting machine for sheet material with automatic loading and unloading function as claimed in claim 5, wherein the first suction cup assembly comprises a first connecting arm, a first suction cup support and a first vacuum suction cup, one end of the first connecting arm is fixedly connected to the bottom end of the first lifting cylinder, the first connecting arm is provided with a plurality of adjustable first suction cup supports, and the outer side end of each first suction cup support is connected with the first vacuum suction cup used for taking, placing and sucking material.

7. The automatic loading and unloading sheet laser cutting machine as claimed in any one of claims 1 to 6, further comprising a material receiving mechanism, wherein the material receiving mechanism is connected and arranged on the left side of the loading mechanism, or the material receiving mechanism is connected and arranged on the right side of the laser cutting mechanism, and the control system is electrically connected with the material receiving mechanism and controls operation; the receiving mechanism comprises a receiving machine cabinet and receiving positioning blocks, wherein the receiving machine cabinet is provided with 4 positioning blocks, and four corners of the positioning blocks are distributed to form a receiving placement area.

8. The laser cutting machine for sheet material with automatic loading and unloading function as claimed in claim 7, wherein when the material receiving mechanism is connected and disposed on the right side of the laser cutting mechanism, the material receiving mechanism further comprises a second beam module, a second lifting cylinder and a second suction cup assembly, the second beam module is disposed on the upper portion of the material receiving mechanism, a second connecting plate is disposed on the second beam module, a second lifting cylinder is fixedly connected to one end of the second connecting plate, and a second suction cup assembly is disposed at the bottom end of the second lifting cylinder.

9. The automatic loading and unloading sheet laser cutting machine of claim 8, wherein the second beam module comprises a second beam guide rail, a second beam motor, a second conveying wheel, a second sliding wheel and a second conveyor belt, a second mounting frame is arranged on the upper portion of the material receiving cabinet, a movable second beam guide rail is arranged on the lower portion of the second mounting frame in a sliding connection mode, the two ends of the second beam guide rail are provided with the second conveyor belt in a winding mode, the second beam motor is fixedly arranged on the rear side of the second mounting frame, the second conveying wheel connected with the second beam motor is arranged at the front end of the second mounting frame, the second sliding wheel is arranged on the left side and the right side of the second conveying wheel in an adjustable mode, and the second conveyor belt is connected with the second conveying wheel and the left and right second sliding wheels to drive the second beam guide rail to move left and right.

10. The laser cutting machine for sheet material with automatic loading and unloading as claimed in claim 9, wherein the second suction cup assembly comprises a second connecting arm, a second suction cup support and a second vacuum suction cup, one end of the second connecting arm is fixedly connected to the bottom end of the second lifting cylinder, a plurality of adjustable second suction cup supports are arranged on the second connecting arm, and the second vacuum suction cup for taking, placing and sucking material is connected to the outer side end of the second suction cup support.