CN112171082A

CN112171082A - Laser cutting machine

Info

Publication number: CN112171082A
Application number: CN202011017888.1A
Authority: CN
Inventors: 刘建国
Original assignee: Shenzhen Aosima Mechanical & Electrical Equipments Co ltd
Current assignee: Shenzhen Aosima Mechanical & Electrical Equipments Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-01-05

Abstract

The application relates to a laser cutting machine, it includes: the device comprises a rack, a placing table, a horizontal driving mechanism, a fixing frame and a laser cutting mechanism, wherein the placing table is horizontally arranged on the rack in a sliding manner and is used for placing a plate to be cut; the horizontal driving mechanism is arranged on the rack and used for driving the placing table to slide on the rack in the horizontal direction; the fixed frame is arranged on the rack and is positioned above the placing table; the laser cutting mechanism is arranged on the fixing frame and used for cutting the plate to be cut on the placing table. This application has the effect of placing the position that needs the cutting on the panel on the mechanism laser emission position under on laser can be more convenient.

Description

Laser cutting machine

Technical Field

The application relates to the field of cutting machines, in particular to a laser cutting machine.

Background

As one of the cutting machines, the laser cutting machine has been widely used because of its high operation accuracy and high machining efficiency.

The laser cutting machine in the related art comprises a workbench, a fixed frame crossing the workbench and a laser emitting mechanism arranged on the fixed frame, wherein a gap is formed between the fixed frame and the workbench; when panel need cutting, at first need place panel manual work on the workstation to need remove panel, make the position that needs the cutting on the panel be in laser emission mechanism and go up the laser emission position under, then start laser emission mechanism to panel cut can, after the cutting finishes, take off the panel that the cutting is good from the workstation again.

In view of the above-mentioned related art, the inventors consider that there is a drawback in that it is inconvenient to align a position on a sheet material to be cut directly below a laser emitting position on a laser cutting mechanism.

Disclosure of Invention

In order to place the position that needs the cutting on the panel more convenient on the mechanism laser emission position under on laser, this application provides a laser cutting machine.

The application provides a laser cutting machine adopts following technical scheme:

a laser cutting machine comprising: the device comprises a rack, a placing table, a horizontal driving mechanism, a fixing frame and a laser cutting mechanism, wherein the placing table is horizontally arranged on the rack in a sliding manner and is used for placing a plate to be cut; the horizontal driving mechanism is arranged on the rack and used for driving the placing table to slide on the rack in the horizontal direction; the fixed frame is arranged on the rack and is positioned above the placing table; the laser cutting mechanism is arranged on the fixing frame and used for cutting the plate to be cut on the placing table.

Through adopting above-mentioned technical scheme, when panel needs the cutting, at first place panel on placing the platform, then restart horizontal drive mechanism, make and place the platform and carry out the ascending slip of horizontal direction under horizontal drive mechanism's effect, thereby make panel slide to being in under the laser cutting mechanism, and the position department that the position vertical alignment laser cutting mechanism of panel needs cutting sent laser, later restart laser cutting mechanism, make laser cutting mechanism emission laser cut panel, compare in direct manual with panel place the platform of placing, and the position that the position alignment laser cutting mechanism that makes panel need cutting sends laser.

This kind of design, only need to carry out adjustment control to horizontal drive mechanism's drive stroke, make first panel arrive predetermined cutting position under horizontal drive mechanism's drive, later operating personnel only need with follow-up panel place the bench can placing like the same state of first panel, horizontal drive mechanism just can transport follow-up panel to laser cutting mechanism department automatically and cut, and the condition of the wrong position of cutting still is difficult for appearing, operate more simple and convenient, do not need operating personnel to spend the long time with panel transport mount and place the narrow and small space department between the bench and aim at the laser emission position.

Preferably, the horizontal driving mechanism includes: the mounting rack is fixedly arranged on the rack; the first driving piece is fixedly arranged on the mounting frame and used for driving the belt transmission piece to move; the belt transmission member is rotatably arranged on the rack, and one end of the placing table is fixedly connected with one end of the belt transmission member.

By adopting the technical scheme, the installation frame provides a stable installation position for the first driving piece, so that the first driving piece can work stably; the first driving piece is arranged to provide power for the rotation of the belt driving piece; the belt transmission part is arranged, so that the first driving part can drive the placing table to move in a belt transmission mode, and the placing table can convey the sheet material to a cutting position after the sheet material is placed elsewhere.

Preferably, the placing tables are provided with two vertically parallel to each other, the same ends of the two placing tables are fixedly connected with the belt transmission member respectively, and the two placing tables move in opposite directions respectively after the belt transmission member is driven by the driving member to move.

By adopting the technical scheme, the arrangement of the two placing tables enables one placing table to convey the plate to the cutting position, the other placing table can move out of the cutting position, the placing table out of the cutting position can be placed with the uncut plate again by the operator, after the plate positioned on the cutting position is cut, the two placing tables move in opposite directions again to alternately change the position of the two placing tables, and the placing table out of the cutting position can continue to be placed with the new uncut plate, so that the waiting time of the operator is shortened, and the plate cutting efficiency is improved.

Preferably, the placing table comprises a placing frame and a support plate, and the placing frame is movably arranged on the rack; the support plate is fixed to be set up and is placing frame upper surface department, and the support plate is provided with the polylith that is parallel to each other, and the support plate is the cockscomb structure setting towards keeping away from the one end of placing the frame.

By adopting the technical scheme, the arrangement of the placing frame provides a stable mounting position for the support plate; the setting of extension board for panel is placed on it occasionally littleer area of contact, and under the condition that panel self quality does not change, the pressure of panel to the extension board can be bigger, helps panel more stable placing on the extension board, and panel is also more stable when placing the platform motion in addition, is difficult for taking place the change in the position.

Preferably, the laser cutting mechanism includes: the horizontal driving assembly is arranged on the fixing frame so as to drive the mounting frame and the laser emitting part to move on the fixing frame in the horizontal direction; the placing frame is movably arranged on the fixed frame; the laser emitting part is arranged on the placing frame and used for emitting laser required by cutting the plate downwards.

By adopting the technical scheme, the arrangement of the horizontal driving component enables the laser emitting part to change in the horizontal position, so that the laser emitting part can cut off the plate; the arrangement of the placement frame provides a stable installation position for the laser emitting part, and meanwhile, the horizontal driving assembly can conveniently drive the laser emitting part to move together in a mode of driving the placement frame to move.

Preferably, the horizontal driving assembly includes: the first limiting slide rail is horizontally and fixedly arranged on the fixed frame, the length direction of the first limiting slide rail is vertical to the movement direction of the placing table, and the placing frame is connected to the first limiting slide rail in a sliding and clamping mode and can slide along the length direction of the first limiting slide rail; the first lead screw is rotatably arranged on the fixed frame, the length direction of the first lead screw is the same as that of the first limiting slide rail, and the first lead screw penetrates through the placing frame and is in threaded connection with the placing frame; the second driving piece is fixedly arranged on the fixing frame and is used for driving the first lead screw to rotate around the axis of the first lead screw.

By adopting the technical scheme, the arrangement of the first limiting slide rail ensures that the mounting frame can only slide on the fixing frame along the length direction of the first limiting slide rail, and simultaneously, the situation that the mounting frame is overturned under the drive of the first lead screw is also limited, and the mounting frame is favorable for stably sliding on the fixing frame driven by the first lead screw along the length direction of the first limiting slide rail; the first lead screw is beneficial to driving the mounting frame to slide on the fixing frame along the fixing frame; the second driving piece provides sufficient power for the rotation of the first lead screw, so that the first lead screw drives the placing frame to move.

Preferably, the placing frame is further provided with a vertical driving assembly for driving the laser emitting part to move in the vertical direction, and the laser emitting part is vertically arranged on the placing frame in a sliding manner.

Through adopting above-mentioned technical scheme, vertical drive assembly's setting for laser emission portion can be to keeping away from the direction motion of panel, and when panel was too close to laser emission portion because self is thick, laser emission portion can upwards keep away from panel and carry out the cutting of panel after a distance reemission laser, helps the smooth and easy going on of panel cutting work.

Preferably, the vertical drive assembly comprises: the laser emission part is vertically clamped with the second limiting slide rail in a sliding manner; the second lead screw is vertically and rotatably arranged on the placing frame, vertically penetrates through the laser emitting part and is in threaded connection with the laser emitting part; the third driving piece is fixedly arranged on the placing frame and is used for driving the second lead screw to rotate around the axis of the third lead screw.

By adopting the technical scheme, the second limiting slide rail is arranged, so that the laser emitting part can only slide along the length direction of the second limiting slide rail on the placing frame, and the situation that the laser emitting part is overturned under the driving of the second lead screw is also limited; the second screw rod is arranged, so that the laser emitting part can be conveniently driven to move in the vertical direction; the third driving piece provides sufficient power for the rotation of the second lead screw.

Preferably, the machine frame is further provided with a dust suction assembly for absorbing dust generated during cutting, and the dust suction assembly is arranged below the placing table and the fixing frame.

Through adopting above-mentioned technical scheme, dust absorption component's setting for produced dust can be absorbed the majority when panel cutting, has reduced the volume that the dust outwards gived off, helps keeping the cleanness of processing environment.

Preferably, the dust collection assembly comprises a dust collection pipeline and a suction piece, the dust collection pipeline is fixedly arranged on the rack, and a plurality of dust collection holes are formed in the side wall of the dust collection pipeline; the suction piece is communicated with one end of the dust suction pipeline to generate suction force inside the dust suction pipeline.

Through adopting above-mentioned technical scheme, when suction piece produced suction to the dust absorption pipeline inside, external dust just can get into the dust absorption pipeline from the dust absorption hole to be collected, help reducing the cleanness that keeps the processing environment.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partial structural schematic diagram of an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion B of fig. 2.

Fig. 4 is a partial structural schematic diagram of an embodiment of the present application.

Fig. 5 is a schematic view of the structure in the direction a in fig. 1.

Description of reference numerals: 1. a frame; 11. a first support frame; 111. a side plate; 112. a first connecting rod; 12. a second support frame; 121. a side frame; 122. a second connecting rod; 2. a placing table; 21. placing the frame; 22. a caster wheel; 23. a support plate; 3. a horizontal driving mechanism; 31. a mounting frame; 32. a first driving member; 33. a belt drive member; 331. a transmission gear; 332. an endless belt; 4. a fixed mount; 41. a vertical support bar; 42. a support plate; 43. a horizontal support bar; 5. a laser cutting mechanism; 51. a horizontal drive assembly; 511. a first limiting slide rail; 512. a first lead screw; 513. a second driving member; 52. a placement frame; 53. a laser emitting section; 6. a guide rail; 7. supporting legs; 8. a vertical drive assembly; 81. a second limiting slide rail; 82. a second lead screw; 83. a third driving member; 9. a dust collection assembly; 91. a dust collection duct; 911. a dust collection hole; 92. a suction member; 10. a reinforcing rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses laser cutting machine. Referring to fig. 1, the laser cutting machine includes: the cutting machine comprises a rack 1, a placing table 2, a horizontal driving mechanism 3, a fixing frame 4 and a laser cutting mechanism 5, wherein the placing table 2 is horizontally arranged on the rack 1 in a sliding manner, the placing table 2 is provided with two plates which are parallel to each other up and down, and the placing table 2 is used for placing a plate to be cut; the horizontal driving mechanism 3 is arranged on the rack 1, the horizontal driving mechanism 3 is used for driving the placing tables 2 to slide on the rack 1 in the horizontal direction, and when the horizontal driving mechanism 3 drives the placing tables 2 to move, the two placing tables 2 simultaneously move in opposite directions; the fixed frame 4 is arranged on the frame 1 and spans over the placing table 2; the laser cutting mechanism 5 is arranged on the fixing frame 4, and the laser cutting mechanism 5 is used for cutting the plate to be cut on the placing table 2.

Referring to fig. 1, the rack 1 includes a first support frame 11 and a second support frame 12, the first support frame 11 is disposed adjacent to the second support frame 12, one end of the first support frame 11 is welded to one end of the second support frame 12, two placing tables 2 can move on the first support frame 11 and the second support frame 12, respectively, and when one placing table 2 is on the first support frame 11, the other placing table 2 is on the second support frame 12; the fixed mount 4 is on the first support frame 11.

Specifically, referring to fig. 1, the first support frame 11 includes two side plates 111 parallel to each other and a first connecting rod 112 located between the two side plates 111, the side plates 111 and the first connecting rod 112 are both rectangular parallelepiped and made of stainless steel, the first connecting rod 112 is provided with two parallel to each other, the two first connecting rods 112 and the two side plates 111 form a square frame on a horizontal plane, and two ends of the first connecting rod 112 are welded to the two side plates 111, respectively.

Referring to fig. 1, the second support frame 12 includes two parallel side frames 121 and a plurality of parallel second connecting rods 122 between the two side frames 121, the side frames 121 and the second connecting rods 122 are both made of stainless steel, two adjacent second connecting rods 122 are arranged at intervals, and two ends of each second connecting rod 122 are respectively welded to the two side frames 121; one end of one side frame 121 is welded to one end of one side plate 111, respectively, and the second connecting rod 122 is also parallel to the first connecting rod 112.

Referring to fig. 1, two sets of guide rails 6 for moving the placing table 2 are further arranged on the machine frame 1, the two sets of guide rails 6 are arranged on the machine frame 1 in a vertically parallel state, each set of guide rails 6 extends from a side plate 111 of the first support frame 11 to a side frame 121 of the second support frame 12, each set of guide rails 6 comprises two guide rails 6 which are parallel to each other and arranged oppositely, and two of the guide rails 6 are respectively arranged on the surfaces of the two side plates 111 on the side close to each other; the upper placing table 2 moves along the upper set of rails 6, and the lower placing table 2 moves along the lower set of rails 6.

Referring to fig. 1, a plurality of groups of supporting legs 7 which are parallel to each other and arranged at intervals are welded below a first supporting frame 11 and a second supporting frame 12, each group of supporting legs 7 comprises two supporting legs 7 which are parallel to each other and arranged oppositely, and the supporting legs 7 are made of stainless steel.

Referring to fig. 2 and 3, the horizontal driving mechanism 3 includes: the mounting frame 31 is made of stainless steel, the mounting frame 31 is located at one end, close to the first support frame 11 and the second support frame 12, of the first support frame 11, one end of the mounting frame 31 is fixedly connected with the end, close to the second support frame 12, of the first support frame 11 through a bolt; the first driving member 32 is a motor, and the first driving member 32 is fixed on the mounting frame 31 through bolts; the belt transmission piece 33 is rotatably arranged on one side plate 111 in the first support frame 11 and is positioned on the surface of the side plate 111 close to the side of the guide rail 6 on the side plate; one end of the placing table 2 is fixedly connected with one end of the belt transmission piece 33.

Referring to fig. 2 and 3, the belt transmission member 33 includes two transmission gears 331 and an annular belt 332, one transmission gear 331 is sleeved on an output shaft of the first driving member 32, and the transmission gear 331 is connected to the output shaft of the first driving member 32, the other transmission gear 331 is sleeved on a rotating shaft, the transmission gear 331 is rotatably connected to the rotating shaft through a bearing, and one end of the rotating shaft is welded to one side plate 111 of the first supporting frame 11; the inner side of the annular belt 332 is integrally provided with a latch which is meshed with the transmission gear 331, two ends of the annular belt 332 are respectively sleeved on one transmission gear 331, one end of the placing table 2 which is positioned above is fixedly connected with the part of the annular belt 332 which is positioned above the transmission gear 331, one end of the placing table 2 which is positioned below is fixedly connected with the part of the annular belt 332 which is positioned below the transmission gear 331, and the connecting positions of the two placing tables 2 and the annular belt 332 are staggered up and down.

Referring to fig. 2 and 3, after the first driving element 32 is powered on and started, the output shaft of the first driving element 32 rotates, so that the transmission gear 331 connected with the output shaft in a key manner rotates around the axis of the transmission gear 331, and the transmission gear 331 is meshed with the endless belt 332, so that the endless belt 332 can be driven by the transmission gear 331, and further, because the part of the endless belt 332 above the transmission gear 331 is fixedly connected with one end of the placing table 2 above, and the part of the endless belt 332 below the transmission gear 331 is fixedly connected with one end of the placing table 2 below, when the endless belt 332 rotates, the upper and lower placing tables 2 move in opposite directions, so that one placing table 2 is always located at the processing position of the plate, and the other placing table 2 is located at the feeding position of the plate, which is beneficial to improving the processing efficiency.

Referring to fig. 1, the placement stage 2 includes: the device comprises a placing frame 21, casters 22 and a support plate 23, wherein the placing frame 21 is movably arranged on a rack 1, the placing frame 21 is in a square frame shape and is made of stainless steel, and the placing frame 21 is formed by welding four rectangular rods in a cuboid shape end to end; the casters 22 are provided with a plurality of groups parallel to each other, each group includes two casters 22 arranged oppositely, and when the placing table 2 moves, the two casters 22 in each group roll along the guide rails 6 on the two guide rails 6 in each group respectively; the extension plate 23 is made of stainless steel, the extension plate 23 is welded on the upper surface of the placement frame 21, the extension plate 23 is provided with a plurality of blocks which are parallel to each other and arranged at intervals, the extension plate 23 is arranged in a zigzag mode towards one end away from the placement frame 21, a plate needing to be cut is placed on the extension plate 23, and the lower surface of the plate is abutted to the position of the extension plate 23 in the zigzag mode.

Referring to fig. 1, the fixing frame 4 includes: the support structure comprises a vertical support rod 41, a support plate 42 and a horizontal support rod 43, wherein the vertical support rod 41 is made of stainless steel, the upper end of the vertical support rod 41 is welded with the horizontal support rod 43, the lower end of the vertical support rod 41 is welded with the support plate 42, the vertical support rod 41 is provided with two parallel support rods, and the two vertical support rods 41 are respectively positioned right above two side plates 111 in the first support frame 11; the supporting plates 42 are made of stainless steel, the number of the supporting plates 42 is two, the two supporting plates 42 are respectively arranged on one side plate 111 in a sliding mode, sliding rails are fixed on the upper surfaces of the side plates 111 through screws, sliding grooves are formed in the surfaces, close to the side plates 111, of the supporting plates 42, the sliding rails are located in the sliding grooves, and when the supporting plates 42 slide on the side plates 111, the supporting plates 42 can slide along the sliding rails through the sliding grooves; the horizontal support rod 43 is made of stainless steel, two ends of the horizontal support rod 43 are respectively welded with the upper end of the vertical support rod 41, and the length direction of the horizontal support rod 43 is perpendicular to the moving direction of the placing table 2.

Referring to fig. 1, when the laser cutting mechanism 5 needs to change the position of cutting the plate, the purpose can be achieved by sliding the fixed frame 4, so that the operator can conveniently select the position of cutting the plate according to the actual requirement.

Referring to fig. 1 and 4, the laser cutting mechanism 5 includes: a horizontal driving assembly 51, a placement frame 52 and a laser emitting part 53, wherein the horizontal driving assembly 51 is arranged on the horizontal supporting rod 43 to drive the placement frame 52 and the laser emitting part 53 to move on the horizontal supporting rod 43 in the horizontal direction; the placing frame 52 is movably arranged on the fixed frame 4; a laser emitting portion 53 is provided on the mounting frame 52, and the laser emitting portion 53 is used to emit laser light required for cutting the plate material downward.

Referring to fig. 1 and 4, the horizontal driving assembly 51 includes: the first limiting slide rail 511 is horizontally fixed on the upper surface of the horizontal support rod 43 through a bolt, and the length direction of the first limiting slide rail 511 is perpendicular to the moving direction of the placing table 2; the placing frame 52 is a rectangular block, the placing frame 52 is made of stainless steel, a sliding groove matched with the first limiting sliding rail 511 is also formed in the lower surface of the placing frame 52, and when the placing frame 52 slides on the horizontal support rod 43, the placing frame 52 slides along the first limiting sliding rail 511 through the sliding groove.

Referring to fig. 4, the first lead screw 512 is rotatably disposed on the horizontal support rod 43, two ends of the upper surface of the horizontal support rod 43 are respectively fixed with a bearing seat by bolts, two ends of the first lead screw 512 are respectively rotatably connected with the bearing seats by bearings, the length direction of the first lead screw 512 is the same as that of the first limit slide rail 511, and the first lead screw 512 further passes through the placement frame 52 and is in threaded connection with the placement frame 52.

Referring to fig. 4, the second driving member 513 is a motor, the second driving member 513 is fixed at one end of the horizontal support rod 43 by a bolt, and an output shaft of the second driving member 513 is coaxially and fixedly connected with one end of the first lead screw 512 by a coupler, so that the second driving member 513 can drive the first lead screw 512 to rotate around its axis.

Referring to fig. 4, after the second driving element 513 is powered on, the second driving element 513 drives the first lead screw 512 to rotate, and since the placing rack 52 is slidably engaged with the first limiting slide rail 511 through the slide groove, the placing rack 52 can be driven by the first lead screw 512 to move along the first limiting slide rail 511, so as to achieve the purpose of driving the placing rack 52 and the laser emitting unit 53 to move along the length direction of the horizontal support rod 43, so as to cut the plate.

Referring to fig. 4, the mounting frame 52 is further provided with a vertical driving assembly 8 for driving the laser emitting portion 53 to move in the vertical direction, and the laser emitting portion 53 is vertically slidably disposed on the mounting frame 52.

Referring to fig. 4, the vertical drive assembly 8 includes: the laser emission part 53 is vertically clamped with the second limiting slide rail 81 in a sliding manner; the second screw rod 82 is vertically and rotatably arranged on the placing frame 52, the upper end and the lower end of the second screw rod 82 are respectively connected with a bearing seat through a bearing, the bearing seats are fixed on the placing frame 52 through screws, and the second screw rod 82 vertically penetrates through the laser emitting part 53 and is in threaded connection with the laser emitting part 53; the third driving member 83 is a motor, the third driving member 83 is fixed on the upper end surface of the placing frame 52 by a bolt, and the output shaft of the third driving member 83 is coaxially and fixedly connected with the second lead screw 82 by a coupling.

Referring to fig. 1 and 4, after the third driving member 83 is powered on, the third driving member 83 can drive the second lead screw 82 to rotate around the axis thereof, and because the second lead screw 82 is in threaded connection with the laser emitting portion 53, and the laser emitting portion 53 is in sliding clamping connection with the second limiting slide rail 81, the second lead screw 82 can drive the laser emitting portion 53 to move upwards or downwards along the axis of the second lead screw 82 under the condition that the laser emitting portion 53 cannot rotate, so that the distance between the laser emitting portion 53 and the upper and lower plates on the placing table 2 can be adjusted.

Referring to fig. 4 and 5, in order to reduce the influence of dust generated during cutting on the processing environment, a dust suction assembly 9 for absorbing dust generated during cutting is further disposed on the frame 1, and the dust suction assembly 9 is disposed below the placing table 2 and the fixing frame 4 so as to collect dust generated during cutting of the plate material and reduce the amount of dust spreading to the outside.

Referring to fig. 5, the dust collection assembly 9 includes a dust collection pipe 91 and a suction piece 92, the dust collection pipe 91 is fixedly disposed on a first support frame 11, a reinforcing rod 10 is further disposed between two side plates 111 on the first support frame 11, the reinforcing rod 10 is made of stainless steel, the reinforcing rod 10 is provided with a plurality of mutually parallel reinforcing rods, two adjacent reinforcing rods 10 are disposed at intervals, the reinforcing rod 10 is further parallel to a first connecting rod 112, the dust collection pipe 91 is disposed perpendicular to the reinforcing rod 10 and sequentially passes through the reinforcing rods 10, and the dust collection pipe is a square pipe made of stainless steel; the side wall of the dust collection pipeline 91 is also provided with a plurality of dust collection holes 911, and the dust collection holes 911 are uniformly arranged on two vertical side surfaces of the dust collection pipeline 91; the suction member 92 is a suction pump, an air inlet position of the suction member 92 is communicated with one end port of the dust suction duct 91 to generate suction force inside the dust suction duct 91, and the other end of the dust suction duct 91 is closed.

Referring to fig. 5, when the suction member 92 is powered on to generate suction, the dust suction duct 91 can suck dust falling from the plate cutting position through the dust suction hole 911, so that the dust generated by plate cutting is not easy to diffuse outwards in a large amount, and the influence of the dust on the processing environment is reduced.

The implementation principle of the laser cutting machine provided by the embodiment of the application is as follows: when the plate is processed, an operator firstly needs to place the plate on the placing table 2 on the second support frame 12, and then starts the first driving member 32, so that the first driving member 32 drives the placing table 2 on the second support frame 12 to move to the first support frame 11 along the guide rail 6 in a belt transmission manner, and meanwhile, the placing table 2 on the first support frame 11 can move to the second support frame 12 from the first support frame 11.

After the plate moves to the first support frame 11 and stops moving, the laser cutting mechanism 5 on the fixed frame 4 starts working, the laser emitting part 53 emits laser downwards to irradiate the plate, the plate is cut, meanwhile, along with the cutting, the second driving part 513 is also electrified to start working, the second driving part 513 drives the placing frame 52 and the laser emitting part 53 to move along the direction perpendicular to the placing table 2 through the first lead screw 512 and the first limit slide rail 511, and the plate is completely cut off by the laser.

When the distance between the laser emitting part 53 and the plate needs to be adjusted, the third driving member 83 can be started, and the third driving member 83 can drive the laser emitting part 53 to move up and down under the action of the second lead screw 82 and the second limiting slide rail 81, so that the purpose of adjusting the distance between the laser emitting part 53 and the plate is achieved.

After the plate is cut, the placing table 2 on the first support frame 11 is transferred to the second support frame 12 through the horizontal driving mechanism 3, at this time, an operator can take the cut plate off from the placing table 2, and place the plate which is not cut on the placing table 2 again.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A laser cutting machine, characterized by comprising: the cutting machine comprises a rack (1), a placing table (2), a horizontal driving mechanism (3), a fixing frame (4) and a laser cutting mechanism (5), wherein the placing table (2) is horizontally arranged on the rack (1) in a sliding manner, and the placing table (2) is used for placing a plate to be cut; the horizontal driving mechanism (3) is arranged on the rack (1), and the horizontal driving mechanism (3) is used for driving the placing table (2) to slide on the rack (1) in the horizontal direction; the fixed frame (4) is arranged on the rack (1) and is positioned above the placing table (2); the laser cutting mechanism (5) is arranged on the fixing frame (4), and the laser cutting mechanism (5) is used for cutting the plate to be cut on the placing table (2).

2. The laser cutting machine according to claim 1, characterized in that the horizontal drive mechanism (3) comprises: the mounting frame (31), the first driving piece (32) and the belt transmission piece (33), wherein the mounting frame (31) is fixedly arranged on the rack (1); the first driving piece (32) is fixedly arranged on the mounting frame (31), and the first driving piece (32) is used for driving the belt transmission piece (33) to move; the belt transmission piece (33) is rotatably arranged on the rack (1), and one end of the placing table (2) is fixedly connected with one end of the belt transmission piece (33).

3. The laser cutting machine according to claim 2, characterized in that the placing table (2) is provided with two mutually parallel upper and lower, and the same end of the two placing tables (2) is fixedly connected with the belt transmission member (33), respectively, and the two placing tables (2) are moved in opposite directions, respectively, after the belt transmission member (33) is driven to move by the driving member.

4. The laser cutting machine according to claim 1, characterized in that the placing table (2) comprises a placing frame (21) and a support plate (23), the placing frame (21) is movably arranged on the machine frame (1); the support plate (23) is fixedly arranged on the upper surface of the placing frame (21), the support plate (23) is provided with a plurality of parallel plates, and one end of the support plate (23) far away from the placing frame (21) is arranged in a sawtooth shape.

5. The laser cutting machine according to claim 1, characterized in that the laser cutting mechanism (5) comprises: the horizontal driving assembly (51), the placing frame (52) and the laser emitting part (53), wherein the horizontal driving assembly (51) is arranged on the fixed frame (4) to drive the placing frame (52) and the laser emitting part (53) to move on the fixed frame (4) in the horizontal direction; the placing frame (52) is movably arranged on the fixed frame (4); the laser emitting part (53) is arranged on the mounting frame (52), and the laser emitting part (53) is used for emitting laser required by cutting the plate downwards.

6. The laser cutting machine according to claim 5, characterized in that the horizontal drive assembly (51) comprises: the first limiting sliding rail (511), the first lead screw (512) and the second driving piece (513) are horizontally and fixedly arranged on the fixed frame (4), the length direction of the first limiting sliding rail (511) is perpendicular to the movement direction of the placing table (2), and the placing frame (52) is connected to the first limiting sliding rail (511) in a sliding and clamping mode and can slide along the length direction of the first limiting sliding rail (511); the first lead screw (512) is rotatably arranged on the fixed frame (4), the length direction of the first lead screw (512) is the same as that of the first limiting slide rail (511), and the first lead screw (512) penetrates through the placing frame (52) and is in threaded connection with the placing frame (52); the second driving piece (513) is fixedly arranged on the fixed frame (4) and is used for driving the first lead screw (512) to rotate around the axis of the first lead screw.

7. The laser cutting machine according to claim 5, characterized in that the mounting frame (52) is further provided with a vertical driving assembly (8) for driving the laser emitting part (53) to move in the vertical direction, and the laser emitting part (53) is vertically and slidably arranged on the mounting frame (52).

8. Laser cutting machine according to claim 7, characterized in that the vertical drive assembly (8) comprises: the laser emission device comprises a second limiting slide rail (81), a second lead screw (82) and a third driving piece (83), wherein the second limiting slide rail (81) is vertically and fixedly arranged on the arrangement frame (52), and the laser emission part (53) is vertically and slidably clamped with the second limiting slide rail (81); the second lead screw (82) is vertically and rotatably arranged on the placing frame (52), and the second lead screw (82) vertically penetrates through the laser emitting part (53) and is in threaded connection with the laser emitting part (53); the third driving piece (83) is fixedly arranged on the placing frame (52) and is used for driving the second lead screw (82) to rotate around the axis of the third lead screw.

9. The laser cutting machine according to claim 1, characterized in that a dust suction assembly (9) for sucking dust generated during cutting is further provided on the machine frame (1), and the dust suction assembly (9) is provided below the placing table (2) and the fixing frame (4).

10. The laser cutting machine according to claim 9, characterized in that the dust suction assembly (9) comprises a dust suction duct (91) and a suction piece (92), the dust suction duct (91) is fixedly arranged on the machine frame (1), and a plurality of dust suction holes (911) are arranged on the side wall of the dust suction duct (91); the suction member (92) communicates with one end of the dust suction duct (91) to generate suction force to the inside of the dust suction duct (91).