CN110757005A - Laser cutting equipment and method for plate partition cutting - Google Patents

Laser cutting equipment and method for plate partition cutting Download PDF

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Publication number
CN110757005A
CN110757005A CN201911009998.0A CN201911009998A CN110757005A CN 110757005 A CN110757005 A CN 110757005A CN 201911009998 A CN201911009998 A CN 201911009998A CN 110757005 A CN110757005 A CN 110757005A
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China
Prior art keywords
transmission unit
cutting
synchronous belt
laser cutting
belt assemblies
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CN201911009998.0A
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CN110757005B (en
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安健
王波
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Suzhou Puresile Advanced Molding Technology Co Ltd
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Suzhou Puresile Advanced Molding Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/38Removing material by boring or cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • B23K26/702Auxiliary equipment
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention discloses laser cutting equipment and a cutting method for plate partition cutting, wherein the laser cutting equipment comprises the following steps: a set of conveyor belts, comprising: the first transmission unit comprises a plurality of synchronous belt assemblies which are arranged in parallel and are distributed at intervals; the second transmission unit comprises a plurality of synchronous belt assemblies arranged in parallel, and the plurality of synchronous belt assemblies are distributed at intervals; wherein a plurality of said timing belt assemblies in the first transfer unit and a plurality of timing belt assemblies in the second transfer unit are staggered; the laser cutting assembly is arranged on the side of the first transmission unit to cut between the adjacent synchronous belt assemblies; and a laser cutting assembly is arranged on the side of the second transmission unit so as to cut between the adjacent synchronous belt assemblies and on two sides of the second transmission unit. The invention can realize that the cut finished parts are not scratched by the existing sawtooth supports, and can produce the finished parts in a large scale with high efficiency.

Description

Laser cutting equipment and method for plate partition cutting
Technical Field
The invention relates to the technical field of laser cutting, in particular to laser cutting equipment and a cutting method for plate partition cutting.
Background
The laser technology is a mature commercial technology used in the field of material cutting and processing, and a laser numerical control processing system for metal plates is widely applied. Along with the maturity of laser technology and the further reduction of laser instrument cost, the quantity of laser cutting equipment also can expand sharply, and its processing characteristics such as flexibility, intellectuality, cutting edge line high quality can gradually replace traditional cutting and blanking mode. Especially in the automotive industry, the use of laser blanking lines instead of press die lines has become a major issue. Because of the huge number of automobile production and the high requirements for surface sheet metal part smoothness, higher requirements are also put on laser cutting equipment which is intended to replace the traditional die blanking line. The metal plate on the vehicle body comprises an aluminum-silicon coated plate, a galvanized plate, an aluminum alloy plate and the like, and the cutting requirements on the plate can realize high-quality, high-efficiency, large-batch and low-cost laser cutting.
Chinese patent CN102281986A discloses a conveyor system for laser cutting processing of coiled material, wherein two series of conveyors and a plurality of parallel supporting conveyors are used to support the strip-shaped section bar, and the web bar is processed by a laser head reciprocating along the longitudinal axis of a transverse axis component to obtain a material sheet. Its support conveyor may give way for the cutting path for the laser head to cut through the stock material to obtain the cut profile.
Chinese patent CN105033468A discloses a method and system for cutting magnetic belts dynamically with laser, which envisages a laser device for cutting a square plate on a magnetic belt into parts, each magnetic belt in a magnetic belt group can extend or retract, the gap between each magnetic belt is adjustable, two groups of magnetic belts are mutually linked and extend to form a slit, the laser cutting path is processed without contact with the magnetic belts, and the group material is processed into more than one sheet material and stacked. The waste material naturally drops at the slot formed by the two groups of magnetic force belts.
The two patents can make up and solve the problems that the needle-shaped cutting table cannot avoid a cutting path, the surface of a material sheet is scratched and the waste material caused by the scratch in the processing of the conventional laser cutting equipment is dropped, and the method becomes an innovative mode for processing the material sheet by replacing a blanking mode of a coil mould, avoids the requirement on the stamping tonnage of a high-strength material and high mould design cost and maintenance cost, and also greatly contributes to the improvement of the material utilization rate based on the coil laser cutting method.
However, the two patents are very similar on the plate support, two groups of belts are arranged in series along the length direction of the wire body, and mutually extend and retract to form a slit, only one slit can be formed all the time along the width direction of the plate, and one slit is suitable for not more than two cutting heads to work simultaneously, so that the mode of improving the cutting efficiency through multi-head multi-zone cutting is difficult to realize. At present, the laser blanking production line which can give consideration to the fact that the surface of a part is not scratched, the quality of a part product is high, the blanking efficiency of a die can be achieved, and mass cutting can be achieved does not exist.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides laser cutting equipment and a cutting method for plate partition cutting, which can realize that a cut finished part is not scratched by the support of the existing saw teeth, and can realize high-efficiency large-batch production of the finished part.
The invention discloses a laser cutting device for cutting a plate in a partition manner, which comprises:
a set of conveyor belts, comprising:
the first conveying unit comprises a plurality of synchronous belt assemblies arranged in parallel, and the plurality of synchronous belt assemblies are distributed at intervals; and
the second transmission unit comprises a plurality of synchronous belt assemblies arranged in parallel, and the plurality of synchronous belt assemblies are distributed at intervals; the first transmission unit and the second transmission unit are arranged along the same straight line and have the same transmission direction;
wherein a plurality of the timing belt assemblies in the first transfer unit and a plurality of the timing belt assemblies in the second transfer unit are staggered;
the side of the first transmission unit is at least provided with a first laser cutting assembly capable of moving relative to the first transmission unit so as to cut between the adjacent synchronous belt assemblies;
the side of the second transmission unit is at least provided with a second laser cutting assembly capable of moving relative to the second transmission unit so as to cut between the adjacent synchronous belt assemblies and on two sides of the second transmission unit.
Preferably, at least a plurality of the synchronous belt assemblies in the first transmission unit are connected through a spline shaft, and the end of the spline shaft is connected with a first motor so as to drive the synchronous belt assemblies to run simultaneously.
Preferably, the timing belt assembly includes a conveyor belt, a support beam, a drive wheel, and a driven wheel; two ends of the conveying belt are respectively connected with the driving wheel and the driven wheel; the driving wheel and the driven wheel are rotatably connected to two ends of the supporting beam; the spline shaft penetrates through the driving wheel to drive the conveying belt to rotate by driving the driving wheel to rotate; the spline shaft is in sliding connection with the driving wheel, so that the driving wheel can slide along the length direction of the spline shaft.
Further preferably, the hold-in range subassembly both ends all are equipped with the slide rail, the slide rail perpendicular to hold-in range subassembly direction of delivery set up in the below of hold-in range subassembly, the bottom at a supporting beam both ends all be equipped with slide rail matched with slider, a supporting beam both ends still are connected with the second motor, in order to drive hold-in range subassembly is at its both ends remove on the slide rail.
Further preferably, the support beam is further provided with a plurality of support rollers, and the plurality of support rollers are arranged between the driving wheel and the driven wheel and are in contact with the conveyor belt.
Preferably, two sides of the second transmission unit are oppositely provided with guide wheels for limiting the plate.
Preferably, the laser cutting apparatus further comprises a plurality of waste collection devices; the waste collecting devices are arranged below the conveying belt group to collect cutting waste.
Preferably, the laser cutting equipment still includes the unloading transmission band, the unloading transmission band is located the low reaches of conveyer belt group.
Preferably, a pinch roll set is arranged between the first transmission unit and the second transmission unit.
The present invention also provides a cutting method for divisional cutting of a plate material using the laser cutting apparatus for divisional cutting of a plate material according to any one of claims 1 to 9, comprising the steps of:
adjusting the spacing between adjacent ones of the timing belt assemblies in the first and second transfer units, respectively, according to the profile of the finished part;
after the adjustment of the distance between the adjacent synchronous belt assemblies in the first transmission unit and the second transmission unit is finished, starting a plurality of synchronous belt assemblies in the first transmission unit and the second transmission unit to rotate;
the sheet materials enter the first transmission unit, and at least one first laser cutting assembly cuts the sheet materials between the adjacent synchronous belt assemblies of the first transmission unit;
the sheet materials enter the second transmission unit, and at least one second laser cutting assembly cuts the sheet materials between the adjacent synchronous belt assemblies of the second transmission unit and on two sides of the second transmission unit;
and cutting the plate in the first transmission unit and the second transmission unit to obtain the finished part.
The invention has the following beneficial effects:
the laser cutting equipment of the invention forms more cutting areas, so a plurality of laser cutting assemblies can be arranged. The laser cutting assemblies can simultaneously cut the plate materials in the cutting areas according to programs, and the cutting efficiency can be greatly improved. The cutting areas are divided along the width direction of the plate, so that the length of the whole line is not too long and the occupied area is small after the laser cutting assemblies are arranged.
In the laser cutting equipment, a plurality of cutting areas are arranged between the synchronous belt assemblies or on the outer side of the synchronous belt assemblies, and no supporting block is arranged below the plate at the cutting areas, so that the surface of the plate can be prevented from being scratched by supporting and blocking parts such as sawtooth supports. When the laser cutting assembly cuts the plate in the cutting area, because no support is arranged below the cutting light path to block, the discharge of cutting slag is facilitated, steel slag does not exist on finished parts, and the side line cutting quality of the finished parts is improved. And, the waste material can directly fall from between the hold-in range subassembly or the outside after the cutting, improves the blanking efficiency of waste material.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a top view of a laser cutting apparatus in an embodiment of the present invention;
FIG. 2 is a side view of a laser cutting apparatus in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a portion of a laser cutting apparatus according to an embodiment of the present invention, mainly illustrating a cutting area;
FIG. 4 is a schematic view of a portion of a laser cutting apparatus in an embodiment of the present invention, shown primarily to show the connection between the timing belt assemblies;
FIG. 5 is a schematic view of a timing belt assembly according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a timing belt assembly in an embodiment of the present invention, primarily to show the connection of the conveyor belt to the support rollers;
FIG. 7 is a partial block diagram of a timing belt assembly in an embodiment of the present invention;
FIG. 8 is a top view of another embodiment of a laser cutting apparatus;
FIG. 9 is a schematic structural diagram of a laser cutting apparatus according to another embodiment, which is mainly used for showing the structure of a laser cutting assembly;
reference numerals of the above figures: 1-plate material; 2-a timing belt assembly; 3-a first cutting area; 4-a second cutting zone; 5-a third cutting zone; 6-a fourth cutting zone; 7-a fifth cutting zone; 8-a sixth cutting zone; 9-a seventh cutting zone; 10-a blanking conveying belt; 11-finished parts; 12-a fuselage; 13-a first laser cutting device; 14-pinch roll group; 15-a correcting wheel; 16-a first electric machine; 17-a second electric machine; 18-a waste collection device; 19-a laser head; 20-a cross beam; 21-X axis drive motor; 22-Y axis drive motor; 23-a cantilever beam; 24-a conveyor belt; 25-a spline shaft; 26-a driving wheel; 27-a driven wheel; 28-a support beam; 29-support rollers; 30-second laser cutting device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a laser cutting device for cutting a plate in a partition manner, which comprises:
a set of conveyor belts, comprising:
the first conveying unit comprises a plurality of synchronous belt assemblies 2 arranged in parallel, and the plurality of synchronous belt assemblies 2 are distributed at intervals; and
the second transmission unit comprises a plurality of synchronous belt assemblies 2 arranged in parallel, and the plurality of synchronous belt assemblies 2 are distributed at intervals; the first transmission unit and the second transmission unit are arranged along the same straight line and have the same transmission direction;
wherein a plurality of the synchronous belt assemblies 2 in the first transmission unit and a plurality of the synchronous belt assemblies 2 in the second transmission unit are arranged alternately;
at least one first laser cutting assembly capable of moving relative to the first transmission unit is arranged on the side of the first transmission unit so as to cut between the adjacent synchronous belt assemblies 2;
wherein the second transmission unit side is equipped with at least one can be relative the second laser cutting subassembly of second transmission unit motion to adjacent between the hold-in range subassembly 2 and the cutting is carried out to second transmission unit both sides.
Referring to fig. 1 to 3, the present embodiment provides a laser cutting apparatus for cutting a plate in different areas, which includes a bed, a set of conveyor belts for conveying the plate 1, and a laser cutting assembly for cutting the plate 1. The conveying belt group and the laser cutting assembly are both arranged on the lathe bed.
Referring with emphasis to fig. 1 and 3, the transport band set includes a first transport unit and a second transport unit. First transmission unit and second transmission unit all comprise a plurality of interval distribution and be equipped with the hold-in range subassembly 2 of certain interval, have formed a plurality of cutting regions between a plurality of hold-in range subassemblies 2 of first transmission unit, have also formed a plurality of cutting regions between a plurality of hold-in range subassemblies 2 of second transmission unit and the both sides of second transmission unit.
The first transmission unit comprises four parallel synchronous belt assemblies 2, the four synchronous belt assemblies 2 are distributed at intervals, and a certain distance is reserved between the four synchronous belt assemblies 2, so that a first cutting area 3, a second cutting area 4 and a third cutting area 5 can be formed between the adjacent synchronous belt assemblies 2 respectively. The second transfer unit includes three parallel-arranged timing belt assemblies 2, the three timing belt assemblies 2 are spaced apart, and a certain interval is provided between the three timing belt assemblies 2, thereby forming a fourth cutting region 6, a fifth cutting region 7, a sixth cutting region 8, and a seventh cutting region 9 between the adjacent timing belt assemblies 2 and both sides of the second transfer unit.
Since a large number of cutting regions are formed, a plurality of laser cutting assemblies may be provided. The plurality of laser cutting assemblies respectively cut the plate materials 1 in the plurality of cutting areas according to the program, so that the cutting efficiency can be greatly improved. The cutting areas are divided along the width direction of the plate material 1, so that the length of the whole line is not too long and the occupied area is small after the laser cutting assemblies are arranged.
Because a plurality of cutting regions are arranged between the synchronous belt assemblies 2 or on the outer side of the synchronous belt assemblies, no support is arranged below the plate 1 at the cutting regions, and the surface of the plate 1 can be prevented from being scratched by supporting and blocking parts such as sawtooth support. When the laser cutting assembly cuts the plate 1 in the cutting area, no support is arranged below the cutting light path, so that the discharge of cutting slag is facilitated, steel slag does not exist on the finished part 11, and the side line cutting quality of the finished part 11 is improved. And, the waste material after the cutting can directly fall from between the hold-in range subassembly 2 or the outside, improves the blanking efficiency of waste material.
In this embodiment, the first transmission unit is disposed upstream of the second transmission unit. A pinch roll set 14 is provided between the first and second transport units. The pinch roll set 14 is mounted to the body 12. The pinch roll group 14 is composed of two pinch rolls which are oppositely arranged up and down, and a certain gap is arranged between the two pinch rolls so that the plate 1 can pass through the gap between the two pinch rolls. The set of pinch rolls 14 is used to grip the sheet 1 and impart a speed to the sheet 1 such that the sheet 1 can be transferred from the first transfer unit to the second transfer unit.
And guide wheels 15 for limiting the plate are oppositely arranged on two sides of the conveying belt group. Two aligning wheels 15 are provided in this embodiment. The two guide wheels 15 are oppositely arranged on two sides of the second transmission unit. Two guide wheels 15 are mounted on the body 12. After the sheet 1 is transferred from the first transfer unit to the second transfer unit, the position thereof may be shifted, which may cause a cutting shift if not corrected in time. Therefore, two guide wheels 15 are oppositely arranged on two sides of the second transmission unit, the guide wheels 15 can limit the plate, the plate is prevented from being deviated, and the accuracy of laser cutting is improved. And because the guide wheel 15 can rotate, resistance can not be generated to the conveying of the plate 1, and the conveying of the plate 1 can not be influenced.
Referring to figure 8, in another alternative embodiment, the first transfer unit is located downstream of the second transfer unit, and the pinch roll set 14 enables the sheet 1 to be transferred from the second transfer unit to the first transfer unit. The two guide wheels 15 are oppositely arranged on two sides of the first transmission unit. The guide wheels are arranged on two sides of the first transmission unit close to the second transmission unit, so that the direction of the plate 1 can be corrected timely when the plate enters the first transmission unit.
In the present embodiment, the four timing belt assemblies 2 in the first transfer unit and the three timing belt assemblies 2 in the second transfer unit are alternately arranged. That is, the cutting regions in the first transfer unit and the cutting regions in the second transfer unit are staggered. When the plate material 1 is on the first conveying unit, the waste materials falling into three areas of the first cutting area 3, the second cutting area 4 and the third cutting area 5 are cut off by the first laser cutting assemblies 13 and directly fall from the cutting areas, namely the waste materials fall from the first conveying unit among the four synchronous belt assemblies 2. The cut plate 1 in the first transmission unit is transmitted to the second transmission unit again, the area of the plate 1 with the cut waste materials in the first transmission unit can fall on a synchronous belt in the second transmission unit, the area of the plate 1 without the cut waste materials in the first transmission unit can fall on a fourth cutting area 6, a fifth cutting area 7, a sixth cutting area 8 and a seventh cutting area 9 in the second transmission unit respectively, the waste materials of the plate 1 in the fourth cutting area 6, the fifth cutting area 7, the sixth cutting area 8 and the seventh cutting area 9 are cut off through a plurality of second laser cutting assemblies 30, and the cut waste materials fall between three synchronous belt assemblies 2 in the second transmission unit and on two sides of the second transmission unit, so that the cut waste materials are cut off, and a finished part 11 is formed.
The first laser cutting assembly 13 capable of moving along the X-axis direction and the Y-axis direction is arranged on the side of the first transmission unit, and the second laser cutting assembly 30 capable of moving along the X-axis direction and the Y-axis direction is also arranged on the side of the second transmission unit so as to cut the plate 1 in a plurality of cutting areas in the first transmission unit and the second transmission unit. The slab 1 presents a scrap profile in the cutting area, along which the first 13 and second 30 laser cutting assemblies cut the scrap from the slab 1. Since the first laser cutting assembly 13 can move in the X-axis direction and the Y-axis direction, one or more first laser cutting assemblies 13 can be disposed in the first conveying unit to cut off the waste materials in the first cutting area 3, the second cutting area 4, and the third cutting area 5. In the embodiment, two first laser cutting assemblies 13 are arranged in the first transmission unit, and the two first laser cutting assemblies 13 are respectively arranged on two sides of the first transmission unit. One or more second laser cutting assemblies 30 may be disposed in the second conveying unit to cut off the waste materials in the fourth cutting area 6, the fifth cutting area 7, the sixth cutting area 8 and the seventh cutting area 9. In the present embodiment, two second laser cutting assemblies 30 are disposed in the second transmission unit, and the two second laser cutting assemblies 30 are disposed on two sides of the second transmission unit respectively.
Referring to fig. 1, the first laser cutting assembly 13 is illustrated because the first laser cutting assembly 13 and the second laser cutting assembly 30 are identical in structure. The first laser cutting assembly 13 includes a laser head 19 and a beam 20. The power of the laser head 19 is 2kW to 6 kW. The beam 20 is arranged parallel to the length direction of the plate 1, and the laser head 19 is arranged on the beam 20 through a guide rail. The laser head 19 can move on the beam 20 under the driving of the X-axis driving motor 21, so that the laser head 19 can cut off the waste of each part of the plate 1 along the length direction of the plate 1. Both ends of the beam 20 are mounted on the guide rails of the machine tool body, so that the beam 20 can drive the laser head 19 to move along the direction perpendicular to the conveying direction of the plate 1 under the driving of the Y-axis driving motor 22, the laser head 19 can cover the whole width of the plate 1, and the laser head 19 can cut off waste materials of all parts of the plate 1 along the width direction of the plate 1. The two first laser cutting assemblies 13 on the two sides of the first transmission unit and the two second laser cutting assemblies 30 on the two sides of the second transmission unit are matched with each other, so that waste materials in all areas of the plate material 1 can be cut off along the length and width directions of the plate material 1.
Referring to fig. 9, in another alternative embodiment, four first laser cutting assemblies 13 are provided on both sides of the first transfer unit and four second laser cutting assemblies 30 are provided in the second transfer unit. The first laser cutting assembly 13 and the second laser cutting assembly 30 in this embodiment have the same structure, and therefore the first laser cutting assembly 13 is used for illustration. Two first laser cutting assemblies 13 are respectively arranged on two sides of the first transmission unit. The first laser cutting assembly 13 includes a laser head 19 and an overhanging beam 23. The power of the laser head 19 is 2kW to 6 kW. The cantilever beam 23 is arranged perpendicular to the direction of transport of the slabs 1. The laser head 19 is mounted on a cantilever beam 23. The cantilever beam 23 is mounted on the bed rail. The overhanging beam 23 can move on the lathe bed along the length direction of the plate 1 under the drive of the X-axis drive motor 21, so that the laser head 19 can cut off the waste material of each part of the plate 1 along the length direction of the plate 1. The overhanging beam 23 can be moved perpendicular to the direction of transport of the sheet 1 by the Y-axis drive motor 22 so that the laser head 19 can cover 2/3 the full width of the sheet 1. The two first laser cutting assemblies 13 on the two sides of the first transmission unit and the two second laser cutting assemblies 30 on the two sides of the second transmission unit are matched with each other, so that waste materials in all areas of the plate material 1 can be cut off along the length and width directions of the plate material 1.
Referring to fig. 4 to 7, the first and second conveying units each include therein a plurality of timing belt assemblies 2. The timing belt assembly 2 includes a conveyor belt 24, a support beam 28, a drive pulley 26, and a driven pulley 27. The conveyor belt 24 is connected at both ends to a drive pulley 26 and a driven pulley 27, respectively. The driving wheel 26 and the driven wheel 27 are rotatably connected to both ends of the support beam 28. The conveyor belt 24 is thus mounted on a support beam 28 by means of a drive pulley 26 and a driven pulley 27. A plurality of supporting rollers 29 are further disposed on the supporting beam 28, and a plurality of supporting rollers 29 are disposed between the driving wheel 26 and the driven wheel 27 and are in contact with the conveyor belt 24, so that the supporting rollers 29 can support the conveyor belt 24 to prevent the panel 1 from damaging the conveyor belt 24. The support rollers 29 can rotate with the operation of the conveyor belt 24, so that the conveyance of the conveyor belt 24 can be facilitated. Eleven support rollers 29 are provided on the support beam 28 of each timing belt assembly 2 in this embodiment. The conveying belt 24 in this embodiment is a rotary supporting steel belt, which is made of a soft material, so that the surface of the plate material 1 is not scratched, and the conveying belt can be applied to processing of the plate materials 1 with high surface quality requirements, such as aluminum alloy plates, plating plates and the like.
Spline shafts 25 are connected between the plurality of synchronous belt assemblies 2 of the first transmission unit and between the plurality of synchronous belt assemblies 2 of the second transmission unit. The end of the spline shaft 25 is connected with a first motor 16 to drive a plurality of synchronous belt assemblies 2 connected to the same spline shaft 25 to run simultaneously. A spline shaft 25 passes through the drive pulley 26 in each timing belt assembly 2 to connect each timing belt assembly 2. The spline shaft 25 drives the driving wheel 26 to rotate under the driving of the first motor 16, so that the driving wheel 26 drives the conveying belt 24 to rotate, and finally, the synchronous belt assemblies 2 are operated simultaneously. The spline shaft 25 and the driving pulley 26 in each timing belt assembly 2 are slidably connected so that the driving pulley 26 can slide along the length direction of the spline shaft 25.
The two ends of the first transmission unit and the two ends of the second transmission unit are respectively provided with a sliding rail. The slide rail is perpendicular to the conveying direction of the first conveying unit and the second conveying unit and is arranged below the first conveying unit and the second conveying unit. The bottom at supporting beam 28 both ends all is equipped with the slider with slide rail matched with in the hold-in range subassembly 2, and supporting beam 28 both ends still are connected with second motor 17, and second motor 17 can drive hold-in range subassembly 2 and remove on the slide rail at its both ends. When the synchronous belt assembly 2 moves on the sliding rail, the driving wheel 26 in the synchronous belt assembly 2 slides on the spline shaft 25, so that the distance between the synchronous belt assemblies 2 can be adjusted to adjust the area size of the cutting area in the first transmission unit and the second transmission unit, and the area of the cutting area can be adapted to different waste profiles.
Referring to fig. 2, the laser cutting apparatus of the present embodiment is provided with a scrap collecting device 18 below the first conveying unit and the second conveying unit to collect the cutting waste and prevent the cutting waste from falling into the ground to pollute the processing workshop. A blanking conveyor belt 10 is arranged downstream of the conveyor belt group, and the finished parts 11 after being cut can be blanked by the blanking conveyor belt 10.
The working principle of the embodiment is as follows:
and closely arranging the contour lines of the required finished parts 11 on the plate 1 by using layout software, and virtualizing a plurality of waste material contours in each cutting area according to the contour lines of the finished parts 11 and the position of the virtual side line of the synchronous belt component 2.
After the waste material profile is virtually completed, the distance between each synchronous belt component 2 in the first transmission unit and the second transmission unit is adjusted according to the virtual side line position of each synchronous belt component 2, a first cutting area 3, a second cutting area 4 and a third cutting area 5 are respectively formed between each synchronous belt component 2 of the first transmission unit, and a fourth cutting area, a fifth cutting area, a sixth cutting area and a seventh cutting area are formed between each synchronous belt component 2 of the second transmission unit.
After the adjustment of the distance between the synchronous belt assemblies 2 is completed, the synchronous belt assemblies 2 in the first transmission unit and the second transmission unit are started to operate. The coil material is flattened to obtain a plate material 1, and the plate material 1 is clamped and conveyed to a first conveying unit in operation by a feeding machine.
The first laser cutting devices 13 in the first conveying unit respectively cut the waste materials on the plate material 1 along the waste material profiles in the first cutting area 3, the second cutting area 4 and the third cutting area 5 at the same time, each first laser cutting device 13 is responsible for one or more waste material profiles in the respective cutting area, and the cut waste materials drop into the waste material collecting device 18 from between the synchronous belt assemblies 2 in the first conveying unit.
After the plate 1 is cut in the first conveying unit, the plate is conveyed to the second conveying unit through the pinch roll group 14. The area where the sheet 1 is cut in the first transfer unit falls onto each timing belt assembly 2 of the second transfer unit. The uncut area of the sheet 1 in the first transfer unit falls onto a plurality of cut areas in the second transfer unit.
After the sheet material 1 enters the second conveying unit, the second laser cutting devices 30 in the second conveying unit respectively cut the waste material profiles on the sheet material 1 in the fourth cutting area 6, the fifth cutting area 7, the sixth cutting area 8 and the seventh cutting area 9 at the same time, and each second laser cutting device 30 is responsible for one or more waste material profiles in the respective cutting area. The cut waste drops into the waste collection device 18 from between the respective timing belt assemblies 2 in the second transfer unit and from both sides of the second transfer unit.
The sheet material 1 is cut in the first transmission unit and the second transmission unit to obtain finished parts 11, and then the finished parts 11 are transmitted to the blanking transmission belt 10 through the synchronous belt component 2 in the second transmission unit.
According to the process requirements, the cutting can be carried out in the continuous feeding process of the plate 1, or the cutting can be carried out after the step feeding of the plate 1 is finished.
This embodiment is applicable to out flat coil width 500mm ~ 2200mm, and the width scope of conveyer belt 24 can be 50mm ~ 200mm in the hold-in range subassembly 2, and the band interval is at 80mm ~ 500mm, and the width interval is controlled by servo motor accurate adjustable.
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the technical scheme and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. A laser cutting apparatus for zone cutting of a sheet material, comprising:
a set of conveyor belts, comprising:
the first conveying unit comprises a plurality of synchronous belt assemblies arranged in parallel, and the plurality of synchronous belt assemblies are distributed at intervals; and
the second transmission unit comprises a plurality of synchronous belt assemblies arranged in parallel, and the plurality of synchronous belt assemblies are distributed at intervals; the first transmission unit and the second transmission unit are arranged along the same straight line and have the same transmission direction;
wherein a plurality of the timing belt assemblies in the first transfer unit and a plurality of the timing belt assemblies in the second transfer unit are staggered;
the side of the first transmission unit is at least provided with a first laser cutting assembly capable of moving relative to the first transmission unit so as to cut between the adjacent synchronous belt assemblies;
the side of the second transmission unit is at least provided with a second laser cutting assembly capable of moving relative to the second transmission unit so as to cut between the adjacent synchronous belt assemblies and on two sides of the second transmission unit.
2. The laser cutting device for partition cutting of plates according to claim 1, wherein a plurality of the synchronous belt assemblies in at least the first transmission unit are connected with each other through a spline shaft, and a first motor is connected to an end of the spline shaft to drive the synchronous belt assemblies to run simultaneously.
3. The laser cutting device for partition cutting of the plate material as claimed in claim 2, wherein the synchronous belt assembly comprises a conveyor belt, a support beam, a drive wheel and a driven wheel; two ends of the conveying belt are respectively connected with the driving wheel and the driven wheel; the driving wheel and the driven wheel are rotatably connected to two ends of the supporting beam; the spline shaft penetrates through the driving wheel to drive the conveying belt to rotate by driving the driving wheel to rotate; the spline shaft is in sliding connection with the driving wheel, so that the driving wheel can slide along the length direction of the spline shaft.
4. The laser cutting device for partition cutting of plates according to claim 3, wherein two ends of the synchronous belt assembly are provided with slide rails, the slide rails are arranged below the synchronous belt assembly perpendicular to the conveying direction of the synchronous belt assembly, the bottoms of two ends of the supporting beam are provided with slide blocks matched with the slide rails, and two ends of the supporting beam are further connected with a second motor to drive the synchronous belt assembly to move on the slide rails at two ends of the supporting beam.
5. The laser cutting apparatus for divisional cutting of a sheet material as claimed in claim 3, wherein a plurality of support rollers are further provided on said support beam, and a plurality of said support rollers are provided between said drive pulley and said driven pulley and are arranged in contact with said conveyor belt.
6. The laser cutting device for partition cutting of the plate material as claimed in claim 1, wherein two sides of the second transmission unit are oppositely provided with guide wheels for limiting the plate material.
7. The laser cutting apparatus for partition cutting of a plate material according to claim 1, further comprising a plurality of scrap collecting devices; the waste collecting devices are arranged below the conveying belt group to collect cutting waste.
8. The laser cutting device for partition cutting of boards as claimed in claim 1, further comprising a blanking conveyor belt arranged downstream of the conveyor belt set.
9. The laser cutting device for partition cutting of the plate material as claimed in claim 1, wherein a pinch roller set is provided between the first conveying unit and the second conveying unit.
10. A cutting method for the divisional cutting of a plate material by using the laser cutting apparatus for the divisional cutting of a plate material according to any one of claims 1 to 9, comprising the steps of:
adjusting the spacing between adjacent ones of the timing belt assemblies in the first and second transfer units, respectively, according to the profile of the finished part;
after the adjustment of the distance between the adjacent synchronous belt assemblies in the first transmission unit and the second transmission unit is finished, starting a plurality of synchronous belt assemblies in the first transmission unit and the second transmission unit to rotate;
the sheet materials enter the first transmission unit, and at least one first laser cutting assembly cuts the sheet materials between the adjacent synchronous belt assemblies of the first transmission unit;
the sheet materials enter the second transmission unit, and at least one second laser cutting assembly cuts the sheet materials between the adjacent synchronous belt assemblies of the second transmission unit and on two sides of the second transmission unit;
and cutting the plate in the first transmission unit and the second transmission unit to obtain the finished part.
CN201911009998.0A 2019-10-23 2019-10-23 Laser cutting equipment and method for plate partition cutting Active CN110757005B (en)

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CN114986051A (en) * 2022-06-14 2022-09-02 广东天太机器人有限公司 Industrial robot welding control system and method based on template recognition

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