CN114769904A - Laser cutting continuous processing method - Google Patents

Abstract

The invention discloses a laser cutting continuous processing method, which belongs to the technical field of laser processing, and is realized by a laser cutting system, and the method comprises a laser cutting machine, an objective table, a guide rail and a tray, wherein the guide rail is arranged on one side of the laser cutting machine, the objective table is connected to the guide rail in a sliding manner, the laser cutting machine comprises a lathe bed, and when the objective table and the lathe bed are aligned, the tray can slide between the laser cutting machine and the objective table, and the method specifically comprises the following steps: s1, feeding; s2, feeding; s3, cutting and processing; s4, discharging; s5, blanking, and repeating the steps S1-S4 to realize continuous cutting and processing of the materials, wherein the processing method can continuously feed and blank the laser cutting machine, reduce the idle waiting time of the laser cutting machine, improve the utilization rate of the laser cutting machine, and can be combined with the existing feeding system of the production line to improve the overall processing efficiency of the production line with lower modification cost and floor area.

Description

Laser cutting continuous processing method

Technical Field

The invention relates to the technical field of laser cutting processing, in particular to a laser cutting continuous processing method.

Background

The metal plate processing is one of metal processing, in modern industry, the metal plate has large consumption and wide application, various structural parts and appearance parts can be formed by welding, bending and other modes, and the laser cutting mode is usually adopted in the metal processing of the prior common sheet, so that the laser cutting device has the advantages of high cutting efficiency and high cutting precision.

The principle of the laser cutting machine is that the energy released when a laser beam irradiates the surface of a workpiece is used for melting and evaporating the workpiece so as to achieve the purposes of cutting and carving, and the laser cutting machine has the characteristics of high precision, high cutting speed, no limitation on cutting patterns, automatic typesetting, material saving, smooth cut, low processing cost and the like, can be gradually improved or replaced by traditional metal cutting process equipment, in the existing sheet metal part factories of file cabinets, the existing common laser cutting machine needs to wait for feeding and blanking after finishing processing, can not be matched with other processing equipment in the feeding and blanking processes so as to realize continuous and uninterrupted production, and the easy deviation of manual feeding needs to be frequently adjusted, so that the intensity of manual operation is increased, and the processing efficiency is also influenced. Therefore, the existing laser cutting machine needs to be technically improved, the existing equipment in a workshop is utilized, and the characteristics of the existing laser cutting machine are combined to form the laser cutting continuous processing method which is combined with the material conveying device.

The prior publication No. CN104607803B discloses an automatic laser cutting continuous processing method for coil plates and a method thereof, comprising a laser cutting machine and an integral electric control device, wherein the laser cutting machine is connected into a whole by a decoiler, the discharge end of the decoiler is of a platform structure, a feed roller is arranged on the platform, a steel strip is horizontally fed to the laser cutting machine, the platform is seamlessly connected with a laser cutting machine worktable with equal height, and a plurality of rollers for ejecting and conveying the steel strip are arranged on the surface of the laser cutting machine worktable; the rollers are movably lifting, and a plurality of rollers are connected to the same cylinder to be lifted synchronously; laser cutting machine workstation both sides still install the deviation correcting device that prevents the steel band and run, movable unloading platform is installed to laser cutting machine workstation end, this laser cutting machine equips on the workstation and rolls in order to realize the continuous transport of material, guarantees that laser cutting machine can carry out continuous cutting process, but need reform transform laser cutting machine, the structure is more complicated, and continuous motion's cylinder has reduced the machining precision, has certain limitation.

Disclosure of Invention

The invention aims to provide a laser cutting continuous processing method, which solves the problem of discontinuous feeding in laser cutting processing.

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

the utility model provides a laser cutting continuous processing method, the method is realized by laser cutting system, laser cutting system includes laser cutting machine, objective table, guide rail and tray, the guide rail sets up one side of laser cutting machine, objective table sliding connection is in the guide rail, laser cutting machine includes the lathe bed, specifically includes following step:

s1, feeding: the object stage moves to a material changing area along the guide rail, after the material is moved onto the object stage, the object stage moves to a processing area along the guide rail again, and the object stage is aligned to the laser cutting machine;

s2, feeding: pushing the tray towards the direction of the laser cutting machine, wherein one part of the tray enters the machine body, and the tray is completely dragged into the machine body;

s3, cutting: after the tray moves in place, the laser cutting machine is started to cut and process the material;

s4, discharging: after the material cutting processing is finished, the objective table is moved to a position right facing the laser cutting machine, and the tray is moved to the objective table;

s5, blanking: and the object stage moves to the material changing area along the guide rail, waits for the completion of feeding and discharging, and repeats the steps S1-S4 to realize the continuous cutting processing of the materials.

Preferably, the guide rail is perpendicular to the length direction of the lathe bed, so that the occupied area of the laser cutting continuous processing method is reduced, and the modification cost of a production line is reduced.

Preferably, in step S2, the laser cutting machine includes a plurality of laser cutting machines, the plurality of laser cutting machines may be disposed on one side or both sides of the guide rail, the stage takes the distance from the laser cutting machines as a criterion to feed and unload the laser cutting machines from near to far, and the stage is arranged according to the specific situation of the field and the production process, so as to improve the production efficiency of the laser cutting machines.

Preferably, in step S2, the loading system includes a plurality of the object stages, the object stages are slidably connected to the guide rail, the object stages change the material for the laser cutting machine from near to far based on the distance from the laser cutting machine, the object stages operate in an alternating manner or a sequential manner during material changing, and when the number of the laser cutting machines is large, the efficiency of loading and unloading the material is improved.

Preferably, the laser cutting machine comprises bearing structures arranged on two sides of the machine body and used for butting and bearing the tray.

Preferably, the laser cutting machine further comprises a dragging mechanism, the dragging mechanism is arranged on the laser cutting machine, the tray comprises a mounting structure, the mounting structure is arranged at one end, close to the laser cutting machine, of the tray, the dragging mechanism is combined with the mounting structure to drag the tray to move

As more preferred, still including setting up carry structure on the tray, carry structure includes the couple, the couple sets up the tray is close to one side of laser cutting machine, drive mechanism includes chain and peg wheel, chain sliding connection be in on the lathe bed, the peg wheel is connected just rotatable on the chain, the peg wheel with the couple joint drives the tray removes, realizes the separation of tray is dragged.

Preferably, the object stage further comprises a pushing mechanism and a limiting block, the pushing mechanism and the limiting block are arranged on the other side, away from the laser cutting machine, of the carrier, the pushing mechanism is used for pushing a part of the tray onto the lathe bed, and the limiting block is used for positioning the position of the tray on the carrier.

Preferably, the bearing structure comprises a first slide rail, the first slide rail is arranged along the length direction of the bed, the objective table further comprises a carrier and a second slide rail, the second slide rail is arranged on the carrier, chamfers are arranged at one end, close to the laser cutting machine, of the second slide rail and at one end, close to the guide rail, of the first slide rail, and one end of the second slide rail and one end of the first slide rail can be aligned, so that the tray can slide between the bed and the objective table.

Preferably, the object stage further comprises a pushing mechanism and a limiting block, the pushing mechanism and the limiting block are arranged on the other side, far away from the laser cutting machine, of the object stage and used for pushing a part or all of the tray onto the lathe bed, and the limiting block is used for positioning the tray separated from the lathe bed and locking the tray on the object stage.

Preferably, the automatic feeding device further comprises material changing devices, wherein the material changing devices are arranged at two ends of the guide rail and are used for transferring materials to the object stage and transferring the processed semi-finished products to conveying equipment.

The invention has the beneficial effects that:

this laser cutting continuous machining method is under the condition of not carrying out great change to former laser cutting machine, adopt separable tray and along guide rail reciprocating motion's objective table to combine, the combination forms laser cutting continuous machining system, realize carrying out continuous on for laser cutting machine, the unloading, laser cutting machine idle latency has been reduced, laser cutting machine's utilization ratio has been improved, the material is gone into to enclose on the tray, when transporting the material, carry out the wholeness to the tray and remove, the stability of cutting processing platform and the accuracy of cutting have been guaranteed, single objective table can dock many laser cutting machine and feed, cutting system area is little, reform transform with low costs, the benefit of mill has been promoted.

Drawings

FIG. 1 is a first isometric view of a laser cutting system provided by the present invention;

FIG. 2 is a partial view of portion A of FIG. 1;

FIG. 3 is a second isometric view of a laser cutting system provided by the present invention;

FIG. 4 is a partial view of portion B of FIG. 3;

FIG. 5 is a partial view of section C of FIG. 3;

FIG. 6 is a plan layout view of a laser cutting machine according to the present invention;

FIG. 7 is a view of a portion of the laser cutting machine according to the present invention;

FIG. 8 is a block diagram of a stage provided by the present invention;

fig. 9 is a plan layout view of a laser cutting system according to a second embodiment of the present invention.

Reference numerals are as follows:

1. a laser cutting machine; 11. a bed body; 12. a dragging mechanism; 121. a chain; 122. a speed reducer; 123. a sprocket; 124. a change gear; 13. a first slide rail; 14. a cutting head; 15. an exhaust device; 16. a blanking bin; 17. a load bearing structure; 2. an object stage; 21. a carrier; 22. a guide wheel; 23. a drive device; 24. a pushing mechanism; 25. hooking; 26. a limiting block; 27. a tray; 271. a pulley; 28. a second slide rail; 29. a mounting structure; 3. a guide rail; 31. a rack; 4. a blank conveying roller; 5. a material changing device; 6. a semi-finished product conveying roller; 7. a material changing area; 8. and (6) processing the area.

Detailed Description

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

Example one

As shown in fig. 1 to 8, a laser cutting system includes four laser cutting machines 1, two object stages 2, a guide rail 3 and a tray 27, the guide rail 3 is disposed on one side of the four laser cutting machines 1, the object stages 2 are slidably connected to the guide rail 3, the laser cutting machine 1 includes a bed 11 and carrying structures 17 disposed on two sides of the bed 11, and the tray 27 is slidable between the carrying structures 17 and the object stages 2 when the object stages 2 and the bed 11 are aligned.

Further, the guide rail 3 is perpendicular to the length direction of the bed 11, and the tray 27 is up and down along the length direction of the bed 11, so that the distance between the object stage 2 and the laser cutting machine 1 is reduced, the tray 27 can be guaranteed to smoothly move between the bed 11 and the carrier 21 to transfer materials, and the occupation of a field is reduced.

Preferably, a rack 31 is arranged along the length direction of the guide rail 3, the rack 31 has the same length as the guide rail 3, and is connected to the side surface of the guide rail 3 side by bolts, the rack 31 is meshed with the driving device 23 for providing power for the movement of the object stage 2, and the gear meshing transmission mode is adopted, so that the object stage 2 has accurate moving distance and high parking precision.

Further, the bearing structure 17 is fixed in the middle of the bed body 11, the middle of the bearing structure 17 is recessed downwards to form a vacant position for placing the tray 27 and limiting the degree of freedom of the tray 27 perpendicular to the pushing direction, and after the tray 27 enters the bed body 11, the upper end face of the tray 27 is flush with the upper end face of the bed body 11 and just fills the recessed portion of the bed body 11, so that the overall height of the transferred materials is reduced, and the transformation cost is reduced.

Preferably, the tray 27 is a table top with a spine portion, and is used for meeting the supporting requirement of laser cutting after materials are placed, and the table top is provided with equidistant holes, so that the cut materials can pass through the tray 27 and fall into the blanking bin 16.

Preferably, referring to fig. 5, the first slide rails 13 are polygonal in cross section, and are respectively fixed on the inner walls of the recess of the bed 11, one ends of the first slide rails 13 near the guide rails 3 are provided with large chamfers for guiding the tray 27 when entering the bed 11, so as to improve the accuracy of the alternate movement of the tray 27 between the laser cutting machine 1 and the stage 2, the second slide rails 28 are fixed on the carriage 21, one ends near the bed 11 are provided with large chamfers for expanding the tolerance of butt joint, pulleys 271 are installed on the lower end surfaces of the trays 27, the pulleys 271 roll on the second slide rails 28, and the first slide rails 13 are aligned with the second slide rails 28 to form linear tracks, so that the pulleys 271 can smoothly slide on the bed 11 from above the stage 2.

Furthermore, the dragging mechanism 12 is composed of a chain 121, a speed reducer 122, a chain wheel 123 and a change gear 124, the chain 121 is an annular chain and is driven by the speed reducer 122 to rotate, the chain wheel 123 is installed on the concave inner wall of the bed body 11, the chain 121 is constrained into a downward bent L shape, a protruding part of the L shape is downward, the speed reducer 122 is located below the chain 121, the change gear 124 is connected to the side wall of the chain 121 and is close to the center of the bed body 11, in this way, the speed reducer 122 cannot form interference when the pallet 27 enters the bed body 11, the side surface of the chain 121 is attached to the side wall of the pallet 27 when the pallet 27 enters the bed body 11, power is transmitted in a friction transmission manner, the speed reducer 27 is dragged to a processing position on the bed body 11, after cutting processing is completed, the bed body 122 rotates reversely to drive the chain 121 to move reversely, the pallet 27 is pushed out from the bed body 11, the speed reducer 122 adopts a hollow cup speed reducer, the chains 121 on the two sides are driven by one output shaft to rotate in the same direction, so that the moving stability and the stopping stability of the lathe bed 11 are improved.

Preferably, the pushing mechanism 24 is composed of a double-rod cylinder and a push head, the double-rod cylinder can guide a piston to perform linear reciprocating motion in the cylinder, so that the pushing mechanism 24 pushes a part of the tray 27 onto the bed 11 to be in contact with the dragging mechanism 12, the double-rod cylinder is used at the position to improve the accuracy of pushing the tray 27 to move, and meanwhile, the double-rod cylinder is also used for receiving the tray 27 moving down from the bed 11, the cylinder is used for pushing and utilizing the flexibility of the tray 27, the impact of the tray 27 on the carrier 21 is reduced, the stability of the system is improved, the push head is fixed on a push rod of the double-rod cylinder and is made of PU (polyurethane) and used for buffering when receiving the tray 27 and reducing the vibration of the receiving tray 27.

Preferably, two objective tables 2 are arranged on guide rail 3 relatively, and two objective tables 2 cooperate the regional 7 uses of reloading at 3 both ends of guide rail, improve the efficiency of transported substance material, prevent that two laser cutting machine 1 from accomplishing simultaneously that processing takes place to interrupt, improve laser cutting machine 1's the rate of utilization.

Preferably, drive arrangement 23 comprises right angle reduction gear, gear and rack 31, and right angle reduction gear is fixed on the lateral wall of objective table 2 and is the parallel and level with guide pulley 22, and right angle reduction gear directly links with the gear, and rack 31 and guide rail 3 are in the same place, and rack 31 and gear engagement drive objective table 2 move on guide rail 3, and gear drive has the characteristics that the precision is high, longe-lived, is used in here, improves objective table 2's off-position accuracy.

Preferably, the material changing device 5 is installed in the material changing areas 7 at two ends of the guide rail 3, the material changing device 5 adopts a truss manipulator and is used for moving a material blank to be processed or a processed semi-finished product onto different conveying rollers respectively, so that the laser cutting processing system is in butt joint with the existing material conveying system of a factory, the automation level of continuous production of the factory is improved, and the production efficiency of the whole production line is improved.

Preferably, the object stage 2 is further provided with a hanging structure 29, the hanging structure 29 is composed of two hooks 25 fixed on the carrier 21, the hooks 25 are fixed on one side of the carrier 21 close to the laser cutting machine 1, the cross section of each hook 25 is F-shaped, one side of the hanging wheel 124 is rotatable, the other side of the hanging wheel 124 is connected to a chain link of the chain 121, the hanging wheel 124 slides into a groove of each hook 25 from top to bottom under the driving of the chain 121 after the tray 27 is close to the bed 11, so that the hanging connection with the hooks 25 is realized, and a pulling force is applied to the tray 27 through the hooks 25 along the length direction of the bed 11, so that the whole tray 27 is pulled onto the bed 11 and kept still; after the material on the tray 27 is processed, the chain 121 rotates reversely to drive the tray 27 to slide down the bed 11 and enter the object stage 2, and the hook 25 extends out of the side surface of the tray 27 and is used for connecting the tray 27 with the dragging mechanism 12 to provide power for the upper bed 11 and the lower bed 11 of the tray 27 and realize accurate positioning of the tray 27.

Preferably, the carrier 21 is further provided with a limiting block 26 and a limiting column, the limiting block 26 is installed on one side of the carrier 21 far away from the laser cutting machine 1, the cross section of the limiting block 26 is arc-shaped, the limiting column is an electromagnetic telescopic cylinder and is arranged below the limiting block 26 and used for receiving the tray 27 sliding down from the bed 11, and after the tray 27 is in place, the limiting column is ejected and inserted into the limiting block 26 to ensure that the tray 27 does not rush out of the receiving range of the carrier 21 and limit the position of the tray 27 on the carrier 21.

Preferably, the dragging mechanism 12 can be driven by a synchronous belt, which has the characteristics of high positioning accuracy, low noise and easy maintenance, and can be used here to improve the positioning accuracy of the pushing tray 27 and reduce the impact on the transmission system.

Preferably, an exhaust device 15 is arranged on the side wall of the bed body 11, the exhaust device 15 is composed of an axial flow fan and a filter, the filter is aligned to the side face of the processing material, waste gas generated by laser cutting is sucked in and filtered to meet the environment emission requirement, the axial flow fan is arranged on one side of the bed body 11 far away from the guide rail 3 and discharges the filtered waste, and the axial flow fan is connected with the filter through a pipeline.

Preferably, a blanking bin 16 is further arranged on the laser cutting machine 1, and the blanking bin 16 is positioned below the bed 11 and is used for collecting semi-finished products or leftover materials falling off from the tray 27.

Preferably, the object stage 2 and the laser cutting machine 1 are implemented by a proximity switch, which is a position switch that is triggered to operate without mechanical direct contact with components, when the sensing surface of the proximity switch of the object stage 2 is applied to the laser cutting machine 1, the object stage 2 can be accurately aligned without mechanical contact between the object stage 2 and the laser cutting machine 1 or any pressure applied, and a control signal is provided to a computer (plc) device.

Preferably, a blank conveying roller 4 and a semi-finished product conveying roller 6 are installed in the material changing area 7 at two ends of the guide rail 3, the blank conveying roller 4 is connected with a feeding system of a production line and used for conveying blanks to be processed into the material changing area 7, the semi-finished product conveying roller 6 is connected with a next procedure and used for conveying finished products after cutting to a next procedure or a warehouse, and the materials move on the object stage 2 and are achieved through a mechanical arm.

A laser cutting continuous processing method comprises the following steps:

s1, feeding: the object stage 2 moves to the material changing area 7 along the guide rail 3, after the material is moved to the object stage 2, the object stage 2 moves to the processing area 8 along the guide rail 3 again, and the object stage 2 is aligned with the laser cutting machine 1;

s2, feeding: pushing the tray 27 towards the laser cutting machine 1, wherein a part of the tray 27 enters the bed 11, and the tray 27 completely moves into the bed 11;

s2.1, the objective table 2 takes the distance from the laser cutting machine 1 as a judgment basis, and carries out feeding and feeding on the laser cutting machine 1 from near to far;

s2.2 in step S2, the plurality of object stages 2 exchange materials for the laser cutting machine 1 from near to far based on the distance from the laser cutting machine 1, and the plurality of object stages 2 operate in an alternating manner or a sequential manner during the material exchange;

s3, cutting: after the tray 27 moves to the position, the laser cutting machine 1 is started to cut and process the material;

s4, discharging: after the material cutting process is finished, the objective table 2 is moved to the position opposite to the laser cutting machine 1, and the tray 27 enters the objective table 2;

s4.1, dropping a part of the material into the blanking bin 16, and placing the rest part on the tray 27;

s5, blanking: and the object stage 2 moves to the material changing area 7 along the guide rail 3, waits for the completion of feeding and discharging, and repeats the steps S1-S4 to realize the continuous cutting processing of the materials.

More specifically, the material is conveyed into the material changing area 7 by the blank conveying roller 4, the material is moved to the tray 27 of the object stage 2 by the material changing device 5 in the material changing area 7, the object stage 2 aligns the tray 27 to the laser cutting machine 1 in a standby state through the guide rail 3, a part of the tray 27 is conveyed to the first slide rail 13 by the pushing mechanism 24, the dragging mechanism 12 is started, the hanging wheel 124 slides into the hook 25, the tray 27 is completely dragged into the bed 11 and positioned, the cutting head 14 is started to cut the material, at this time, the object stage 2 is retreated to the material changing area 7, the next tray 27 is conveyed to the laser cutting machine 1, or the laser cutting machine 1 finishes processing, the object stage 2 is moved to align the laser cutting machine 1, the first slide rail 13 and the second slide rail 28 are aligned, the tray 27 is pushed down from the bed 11 by the dragging mechanism 12, the object stage 27 is moved to the object stage 2 and triggers the sensor thereof, spacing post is popped out and is inserted locking tray 27 in stopper 26, and objective table 2 removes to the region 7 of reloading, transports for next process on removing semi-manufactured goods conveying roller 6 with the semi-manufactured goods material by reloading device 5, and when laser cutting machine 1 in the machining region 8 all was in operating condition, objective table 2 relied on and carries out the standby in region 7 of reloading.

The operation process of the object stage 2 is as follows:

when only one object stage 2 and one laser cutting machine 1 operate, the object stage 2 moves to be opposite to the laser cutting machine 1, the tray 27 is moved to the object stage 2 from the bearing structure 17 of the laser cutting machine 1 by the dragging mechanism 12, the limiting block 26 clamps the tray 27, the object stage 2 moves to the material changing area 7 at two ends of the guide rail 3 along the guide rail 3, a manipulator in the material changing area 7 grabs materials from a blank conveyor belt and places the materials on the tray 27, the tray 27 moves to the side surface of the laser cutting machine 1 along the guide rail 3 again to align the first slide rail 13 and the second slide rail 28, the tray 27 moves to the laser cutting machine 1 from the object stage 2 through a path formed by the first slide rail 13 and the second slide rail 28, the bearing structure 17 locks the tray 27 on the machine bed 11, the laser cutting machine 1 starts to cut the materials, at this time, the object stage 2 still stops at the side surface of the laser cutting machine 1, after the processing is finished, a part of materials fall into the blanking bin 16 below the bed body 11 through the tray 27, the other part of the materials are still parked on the tray 27, the tray 27 is moved to the object stage 2 by the dragging mechanism 12, the object stage 2 moves the materials into the material changing area 7, the materials are taken away by the mechanical arm and placed on a finished product conveyor belt or a waste material conveyor belt, the materials are placed on the tray 27 from the blank conveyor belt, and the processes are repeatedly circulated, so that the continuous cutting processing of the materials is realized.

When only one object stage 2 and a plurality of laser cutting machines 1 operate, the object stage 2 moves to the position of the laser cutting machine 1 with the nearest distance, the first slide rail 13 and the second slide rail 28 on the laser cutting machine 1 are aligned, the tray 27 is driven to the object stage 2 by the dragging mechanism 12 from the bed 11, the limiting block 26 fixes the tray 27, the object stage 2 moves to the material changing area 7, the manipulator grabs the material from the blank conveyor belt to the tray 27, the object stage 2 transports the tray 27 to one side of the laser cutting machine 1, the dragging mechanism 12 drags the tray 27 to the bed 11 and fixes, the laser cutting machine 1 starts to cut, the object stage 2 moves to another laser cutting machine 1, the tray 27 of the bed 11 is taken away, the material is loaded in the material changing area 7, and the object stage 2 sends the tray 27 back to the laser cutting machine 1, when cutting processing is carried out, the objective table 2 is moved to the material changing area 7 to wait, after the laser cutting machine 1 finishes cutting processing, the objective table is moved to a position right opposite to the laser cutting machine 1, the tray 27 and part of materials are pushed onto the objective table 2 by the dragging mechanism 12, then the objective table 2 is conveyed to the material changing area 7, the manipulator removes finished products or waste materials, replenishes the materials onto the tray 27, the objective table 2 conveys the tray 27 back onto the laser cutting machine 1 again, after the conveying is finished, the tray returns to the material changing area 7 to wait for next material changing, the processes are repeatedly circulated, and the material changing of the plurality of laser cutting machines 1 is realized.

When two object stages 2 and a plurality of laser cutting machines 1 operate, the initial positions of the two object stages 2 are respectively positioned at two sides of the guide rail 3, when the laser cutting machines 1 need to carry out loading, the positions of the laser cutting machines 1 are judged firstly, the loading tasks are distributed to the object stages 2 closest to the laser cutting machines 1 nearby, the object stages 2 move to the side surfaces of the laser cutting machines 1 to be reloaded, the trays 27 are conveyed away, the trays 27 containing materials are sent back again, and the trays 27 are moved back to the reloading area 7 at the initial positions to wait for the next reloading task; when two laser cutting machines 1 need to change materials at the same time, each laser cutting machine 1 changes materials through the closest object stage 2, and if the closest object stage 2 is used by a task point, the idle object stage 2 is automatically started to change materials; when three or more laser cutting machines 1 need to change materials simultaneously, two object stages 2 are used for changing materials simultaneously, and when only one laser cutting machine 1 needs to change materials, the object stage 2 which is idle firstly is used for changing materials, so that the shortest material changing time is ensured.

Example two

As shown in fig. 9, the same features are not repeated again with reference to the embodiment, the difference is that eight laser cutting machines 1 are divided into two groups which are arranged on two sides of the guide rail 3 uniformly, two processing areas 8 are formed, two object stages 2 face different sides of the guide rail 3 respectively, the eight laser cutting machines move through the guide rail 3, the eight laser cutting machines can be aligned to the bed 11 of each laser cutting machine 1, continuous supply of materials is achieved, when the laser cutting machines 1 are arranged on two sides to complete processing simultaneously, the object stages 2 closest to the laser cutting machines 1 are used for blanking, the utilization rate of the field is improved, the side walls of the two object stages 2 are provided with proximity sensors, collision of the two object stages 2 is prevented, blanking of the object stages 2 can be changed in an alternative mode, and operation difficulty is reduced.

The working operation process of the objective table is as follows:

the two object stages 2 respectively change the materials of the laser cutting machines 1 on two sides of the guide rail 3, when the laser cutting machines 1 on two sides of the guide rail 3 need to change the materials simultaneously, if the moving ranges of the two object stages 2 on the guide rail 3 do not coincide, the two object stages 2 change the materials of the laser cutting machines 1 simultaneously, if the moving ranges of the two object stages 2 coincide, the object stage 2 closest to the object stage 2 are used for feeding, after the material changing is completed, the other object stage 2 is used for changing the materials of the laser cutting machines 1 on the other side of the guide rail 3, if the two sides of the guide rail 3 have a plurality of laser cutting machines 1 needing to change the materials simultaneously, the object stage 2 closest to the laser cutting machines 1 is used for changing the materials, after the material changing of the object stage 2 is completed, the distance of the object stage 2 is judged again, and the materials are changed until the material changing of the laser cutting machines 1 is completed.

Variations and modifications to the above-described embodiments may occur to those skilled in the art based upon the disclosure and teachings of the above specification. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and modifications and variations of the present invention are also intended to fall within the scope of the appended claims. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (10)

1. A laser cutting continuous processing method is realized by a laser cutting system, the laser cutting system comprises a laser cutting machine (1), an object stage (2), a guide rail (3) and a tray (27), the guide rail (3) is arranged on one side of the laser cutting machine (1), the object stage (2) is connected to the guide rail (3) in a sliding mode, the laser cutting machine (1) comprises a machine body (11), and the method is characterized by comprising the following steps:

s1, feeding: the object stage (2) moves to a material changing area (7) along the guide rail (3), after the material is moved to the object stage (2), the object stage (2) moves to a processing area (8) along the guide rail (3) again, and the object stage (2) is aligned with the laser cutting machine (1);

s2, feeding: pushing the tray (27) towards the laser cutting machine (1), wherein a part of the tray (27) enters the bed (11), and the tray (27) is completely dragged into the bed (11);

s3, cutting: after the tray (27) moves in place, the laser cutting machine (1) is started to cut and process the material;

s4, discharging: after the material cutting is finished, the objective table (2) is moved to a position right facing the laser cutting machine (1), and the tray (27) is moved to the objective table (2);

s5, blanking: and the object stage (2) moves to the material changing area (7) along the guide rail (3), waits for the completion of feeding and discharging, and repeats the steps S1-S4 to realize the continuous cutting processing of the materials.

2. The laser cutting continuous process method according to claim 1, characterized in that:

the guide rail (3) is arranged to be perpendicular to the length direction of the bed (11).

3. The laser cutting continuous process method according to claim 2, wherein:

in step S2, the laser cutting machine system includes a plurality of laser cutting machines (1), the plurality of laser cutting machines (1) may be disposed on one side or both sides of the guide rail (3), and the stage (2) may feed the laser cutting machines (1) from near to far based on the distance from the laser cutting machines (1).

4. The laser cutting continuous process method according to claim 3, characterized in that:

in step S2, the laser cutting machine comprises a plurality of the object stages (2), the object stages (2) are slidably connected to the guide rail (3), the object stages (2) change the material of the laser cutting machine (1) from near to far according to the distance from the laser cutting machine (1), and the object stages (2) operate in an alternating manner or a sequential manner during material changing.

5. The laser cutting continuous process method according to claim 4, characterized in that:

the laser cutting machine (1) comprises bearing structures (17) arranged on two sides of the machine body (11).

6. The laser cutting continuous process method according to claim 5, characterized in that:

laser cutting machine (1) still includes drags mechanism (12), drag mechanism (12) setting is in on the laser cutting machine (1), tray (27) are including mounting structure (29), mounting structure (29) set up tray (27) are close to the one end of laser cutting machine (1), drag mechanism (12) with mounting structure (29) combine, drag tray (27) remove.

7. The laser cutting continuous process method according to claim 6, characterized in that:

still including setting up carry structure (29) on tray (27), carry structure (29) is including couple (25), couple (25) set up tray (27) are close to one side of laser cutting machine (1), drag mechanism (12) including chain (121) and peg wheel (124), chain (121) sliding connection be in on lathe bed (11), peg wheel (124) are connected just rotatable on chain (121), peg wheel (124) with couple (25) joint drives tray (27) remove.

8. The laser cutting continuous process method according to claim 7, characterized in that:

bearing structure (17) include first slide rail (13), first slide rail (13) are followed the length direction of lathe bed (11) arranges, objective table (2) still include carrier (21) and second slide rail (28), second slide rail (28) set up on carrier (21), second slide rail (28) are close to the one end of laser cutting machine (1) with first slide rail (13) are close to the one end of guide rail (3) all is provided with the chamfer, the one end of second slide rail (28) with the one end of first slide rail (13) can be adjusted well.

9. The laser cutting continuous process method according to claim 6, wherein:

objective table (2) still includes push mechanism (24) and stopper (26), push mechanism (24) with stopper (26) all set up keep away from on objective table (2) the opposite side of laser cutting machine (1).

10. The laser-cutting continuous process according to any one of claims 1 to 9, characterized in that:

the material changing device is characterized by further comprising a material changing device (5), wherein the material changing device (5) is arranged at two ends of the guide rail (3).

Images