CN115401339A - Laser cutting machine capable of automatically picking up sample path and cutting method - Google Patents
Laser cutting machine capable of automatically picking up sample path and cutting method Download PDFInfo
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- CN115401339A CN115401339A CN202211294000.8A CN202211294000A CN115401339A CN 115401339 A CN115401339 A CN 115401339A CN 202211294000 A CN202211294000 A CN 202211294000A CN 115401339 A CN115401339 A CN 115401339A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 60
- 238000003698 laser cutting Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 16
- 230000000007 visual effect Effects 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 26
- 239000000835 fiber Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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- 230000008092 positive effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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Abstract
The invention relates to the technical field of laser cutting, in particular to a laser cutting machine which can automatically pick up a sample path and cut the sample path; comprises a base, a frame arranged on the base, a laser cutter, a visual identification system and a numerical control console; the laser cutter comprises a laser cutting head, the visual identification system comprises an image acquisition device and an image processing system, and the numerical control station comprises a host computer; the frame is provided with an installation plate, and the image acquisition device and the laser cutting head are both arranged on the installation plate; the image processing system is in communication connection with the host computer. Acquiring outline data through a visual recognition system, and controlling a laser cutter to cut shapes according to the outlines through a host computer; the drawing design is not needed, the workload is reduced, the steps are simplified, and the method is suitable for manufacturing the signboard with a special shape and not suitable for batch manufacturing; the positioning assembly determines a left boundary and a front boundary of a sample plate or a signboard plate placed on the cutting platform; the sample plate and the signboard plate are aligned and placed, dislocation cannot occur, and deviation occurs in cutting.
Description
Technical Field
The invention relates to the technical field of laser cutting, in particular to a laser cutting machine capable of automatically picking up a sample path and cutting and a cutting method.
Background
The cutting of the plates involved in the identification projects such as advertising light boxes, lighting projects, road signs and the like is an important part of the whole project, and the plates are generally characterized by thin steel plates, aluminum plates, acrylic plates or other plates with medium and thin thicknesses; the laser cutting has the advantages of high speed, high quality and smooth cutting surface, and is mainly suitable for plates with medium and thin thicknesses, so the laser cutting is widely applied to marking engineering.
However, the existing laser cutting machine generally reads data of a design drawing through software, cuts a plate according to the drawing, and cuts the plate into an appointed shape, which is applicable to projects such as city identification, lightening and the like of the whole system design, but in actual work, many labels are designed according to the characteristics of a field without the drawing design, the field environments are different every time, the design shapes of the labels are different, or only samples need to be copied, so that the labels cannot be designed and produced in batches, and thus the labels are difficult to manufacture, and each label needs to be mapped and designed with a large amount of work and low efficiency.
Disclosure of Invention
The invention provides a laser cutting machine and a cutting method capable of automatically picking up a sample path and cutting, aiming at the technical problems that in the prior art, labels cannot be produced in batches, drawing and designing are required for each label, the workload is high, and the efficiency is low.
In order to achieve the purpose, the invention adopts the technical scheme that: a laser cutting machine capable of automatically picking up a sample path and cutting comprises a base, a rack arranged on the base, a laser cutter, a visual identification system and a numerical control console; the laser cutter comprises a laser cutting head, the vision recognition system comprises an image acquisition device and an image processing system, and the numerical control station comprises a host computer; the frame is provided with an installation plate, and the image acquisition device and the laser cutting head are both installed on the installation plate; the image processing system is in communication connection with a host computer.
Preferably, a traveling mechanism is arranged below the rack and can move back and forth along the base; a moving mechanism is arranged above the rack, and the mounting plate is connected with the moving mechanism and can move left and right along the rack.
Preferably, the image acquisition device is a CCD camera or a COMS camera.
Preferably, the laser cutter is a fiber laser cutter; the laser cutter is in communication connection with a host computer.
Preferably, the number of the travelling mechanisms is two, and the two travelling mechanisms are respectively arranged on the left side and the right side of the rack.
Preferably, the travelling mechanism comprises a limiting track, a roller frame and a first motor; the limiting rail is fixed on the base along the front-back direction, the roller carrier is fixedly connected with the rack, a plurality of rollers are arranged at the bottom of the roller carrier, the rollers are located in the limiting rail, and the first motor drives the rollers to rotate through the transmission mechanism.
Preferably, the moving mechanism comprises a guide rail, a sliding block, a rack, a gear and a second motor, the rack comprises a cross beam positioned above the rack, the guide rail is arranged on the front side surface of the cross beam, and the sliding block is fixedly connected with the mounting plate and can slide along the guide rail; the second motor is fixed on the mounting plate, an output shaft of the second motor is fixed with the gear, the rack is arranged on the upper surface of the cross beam and is parallel to the guide rail, and the rack is meshed with the gear.
Preferably, the cutting machine further comprises a positioning assembly, and a cutting platform is further arranged on the base; the positioning assembly comprises a first fixed plate, a second fixed plate, a third movable plate, a fourth movable plate, a first air cylinder and a second air cylinder; the first movable plate and the third movable plate are positioned on the right side of the cutting platform, the first air cylinder is fixedly connected with the base, and the third movable plate is fixedly connected with the output end of the first air cylinder; the fixed plate is located on the front side of the cutting platform and fixedly connected with the base, the movable plate IV and the second cylinder are located on the rear side of the cutting platform, the second cylinder is fixedly connected with the base, and the movable plate IV is fixedly connected with the output end of the second cylinder; the movable plate three, the movable plate four, the first cylinder and the second cylinder are all provided with a plurality of.
Preferably, still include the light lamp, the light lamp is installed in the frame, and light is towards the cutting platform.
The invention also provides a cutting method of the laser cutting machine, which can automatically pick up the sample path and cut the sample path, and comprises the following steps:
drawing a profile on a sample plate by a worker according to the structural characteristics of the position of the signboard to be installed on site or according to a sample;
secondly, placing the sample plate on a cutting platform, starting a visual recognition system, transmitting the contour data acquired by an image acquisition device to an image processing system, converting the contour data into digital signals by the image processing system, and transmitting the digital signals to a host computer; the host computer reads and stores the data;
taking the sample plate off the cutting platform, putting the signboard plate on the sample plate, and respectively starting the first cylinder and the second cylinder so as to push the movable plate III and the movable plate IV and tightly press the signboard plate onto the fixed plate I and the fixed plate II;
step four, starting the laser cutter, reading the data stored in the step three by the host computer, and controlling the laser cutting head to cut according to the contour;
and step five, taking out the cut signboard panel, and closing the machine.
Compared with the prior art, the invention has the advantages and positive effects that: (1) Acquiring contour data through a visual recognition system, and controlling a laser cutter to cut a shape according to the contour through a host computer; the surveying and mapping design is not needed, the workload is reduced, the steps are simplified, and the method is suitable for manufacturing the signboard with a special shape and which is not suitable for batch manufacturing; (2) The laser generator is conducted through the optical fiber, the electro-optic conversion efficiency is high and reaches more than 30 percent, the cost is saved, and the production efficiency is improved; (3) The positioning assembly determines a left boundary and a front boundary of a sample plate or a signboard plate placed on the cutting platform; the sample plate and the nameplate plate are arranged in alignment, and the cutting deviation caused by dislocation can be avoided; (4) When the light is shone and is gathering profile data or cutting panel, as supplementary light source, improve cutting platform luminance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced,
FIG. 1 is a schematic structural view of the laser cutting machine;
FIG. 2 is a diagram of a communication connection of a visual identification system;
FIG. 3 is a schematic structural view of a traveling mechanism;
FIG. 4 is a schematic view of the moving mechanism;
fig. 5 is a schematic structural diagram of the positioning assembly.
Description of the reference numerals:
1-base, 11-cutting platform;
2-frame, 21-mounting plate, 22-beam;
3-a traveling mechanism, 31-a limiting track, 32-a roller frame, 33-a roller and 34-a motor I;
4-a moving mechanism, 41-a guide rail, 42-a sliding block, 43-a rack, 44-a gear and 45-a motor II;
5-laser cutter, 51-laser cutting head;
6-visual recognition system, 61-image acquisition device, 62-image processing system;
7-a numerical control table, 71-a host computer;
8-lighting a lamp;
9-positioning component, 91-fixed plate one, 92-fixed plate two, 93-movable plate three, 94-movable plate four, 95-first cylinder, 96-second cylinder.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Example 1
Referring to fig. 1-5, the present invention is further illustrated, and a laser cutting machine capable of automatically picking up a sample path and cutting the sample path, as shown in fig. 1 and 2, includes a base 1, a frame 2 disposed on the base 1, a laser cutter 5, a vision recognition system 6, and a console 7; the laser cutter 5 comprises a laser cutting head 51, the visual recognition system 6 comprises an image acquisition device 61 and an image processing system 62, and the numerical control table 7 comprises a host computer 71; the frame 2 is provided with a mounting plate 21, and the image acquisition device 61 and the laser cutting head 51 are both mounted on the mounting plate 21; the image processing system 62 is communicatively connected to a host computer 71.
Arranging a visual recognition system 6, collecting outline data drawn by the sample plate, transmitting the outline data to a host computer 71 of a control numerical control table 7, and controlling a laser cutter 5 to cut the signboard plate according to the outline shape through the host computer 71; the design of measuring and drawing is not needed, a large number of steps are omitted, the work is simplified, and the method is suitable for manufacturing the signboard with a special shape and not suitable for batch manufacturing; the image processing system 62 includes an image acquisition card, and can convert the image signal acquired by the image acquisition device 61 into a data signal and transmit the data signal to the host computer 71.
The image acquisition device 61 is a CCD camera or a COMS camera, the accuracy reaches within 0.2MM, and the generation rate of defective products is reduced to a great extent.
The laser cutter 5 is a fiber laser cutter; the laser cutter 5 is in communication connection with a host computer 71; by means of optical fiber transmission, the electro-optic conversion efficiency is high and reaches over 30 percent, the cost is saved, and the production efficiency is improved.
As shown in fig. 1, 3 and 4, a traveling mechanism 3 is arranged below the frame 2 and can move back and forth along the base 1; a moving mechanism 4 is arranged above the frame 2, and the mounting plate 21 is connected with the moving mechanism 4 and can move left and right along the frame 2.
As shown in fig. 1 and 3, two traveling mechanisms 3 are provided, respectively, on the left and right sides of the frame 2.
The traveling mechanism 3 comprises a limiting track 31, a roller frame 32 and a first motor 34; the limiting track 31 is fixed on the base along the front-back direction, the roller carrier 32 is fixedly connected with the rack 2, a plurality of rollers 33 are arranged at the bottom of the roller carrier 32, the rollers 33 are positioned in the limiting track 31, the first motor 34 drives the rollers 33 to rotate through a transmission mechanism, and the first motor 34 is in communication connection with the numerical control table 7.
As shown in fig. 1 and 4, the moving mechanism 4 includes a guide rail 41, a sliding block 42, a rack 43, a gear 44 and a second motor 45, the frame 2 includes a cross beam 22 located above, the guide rail 41 is arranged on the front side surface of the cross beam 22, and the sliding block 42 is fixedly connected with the mounting plate 21 and can slide along the guide rail 41; the second motor 45 is fixed on the mounting plate 21, an output shaft of the second motor 45 is fixed with the gear 44, the rack 43 is arranged on the upper surface of the cross beam 22 and is parallel to the guide rail 41, the rack 43 is meshed with the gear 44, and the second motor 45 is in communication connection with the numerical control table 7.
As shown in fig. 5, the cutting device further comprises a positioning assembly 9, and a cutting platform 11 is further arranged on the base 1; the positioning assembly 9 comprises a first fixed plate 91, a second fixed plate 92, a third movable plate 93, a fourth movable plate 94, a first air cylinder 95 and a second air cylinder 96; the first fixed plate 91 is positioned on the left side of the cutting platform 11 and is fixedly connected with the base 1, the third movable plate 93 and the first cylinder 95 are positioned on the right side of the cutting platform 11, the first cylinder 95 is fixedly connected with the base 1, and the third movable plate 93 is fixedly connected with the output end of the first cylinder 95; the second fixed plate 92 is located on the front side of the cutting platform 11 and is fixedly connected with the base 1, the fourth movable plate 94 and the second air cylinder 96 are located on the rear side of the cutting platform 11, the second air cylinder 96 is fixedly connected with the base 1, and the fourth movable plate 94 is fixedly connected with the output end of the second air cylinder 96; the movable plate three 93, the movable plate four 94, the first cylinder 95, and the second cylinder 96 are provided in plurality.
The first fixing plate 91 and the second fixing plate 92 of the positioning assembly 9 are used as reference, and the left boundary and the front boundary of a sample plate or a signboard plate placed on the cutting platform 11 are determined by the first fixing plate 91 and the second fixing plate 92; after the sample plate is placed in the first aligning fixing plate 91 and the second aligning fixing plate 92, the nameplate plates are also placed in the aligning manner, and dislocation cannot occur, so that cutting deviation is caused.
As shown in fig. 1, the cutting machine further comprises a lighting lamp 8, wherein the lighting lamp 8 is installed on the frame 2 and faces the cutting platform 11; light is used as supplementary lighting when the image acquisition device 61 acquires contour data or cuts a plate.
Example 2
A laser cutting machine capable of automatically picking up a sample path and cutting and a cutting method of the cutting method comprise the following steps:
drawing a contour on a sample plate by a worker according to the structural characteristics of the position of the signboard to be installed on site or according to a sample;
secondly, placing the sample plate on the cutting platform 11, starting the visual recognition system 6, transmitting the contour data acquired by the image acquisition device 61 to the image processing system 62, wherein the image processing system 62 comprises an image acquisition card which can convert the acquired contour data into digital signals and transmit the digital signals to the host computer 71; the host computer 71 reads and stores the data;
step three, taking the sample plate off the cutting platform 11, putting the signboard plate on the sample plate, and respectively starting the first air cylinder 95 and the second air cylinder 96 so as to push the third movable plate 93 and the fourth movable plate 94 to tightly press the signboard plate onto the first fixed plate 91 and the second fixed plate 92;
step four, starting the laser cutter 5, reading the data stored in the step three by the host computer 71, and controlling the laser cutting head 51 to cut according to the outline;
and step five, taking out the cut signboard panel, and closing the machine.
The above embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above embodiments with modifications and variations to the disclosed technical content to apply the equivalent embodiments in other fields, but any simple modification and equivalent variation made on the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A laser cutting machine capable of automatically picking up a sample path and cutting comprises a base (1) and a machine frame (2) arranged on the base (1), and is characterized by further comprising a laser cutter (5), a visual recognition system (6) and a numerical control console (7);
the laser cutter (5) comprises a laser cutting head (51), the visual recognition system (6) comprises an image acquisition device (61) and an image processing system (62), and the numerical control table (7) comprises a host computer (71);
the frame (2) is provided with an installation plate (21), and the image acquisition device (61) and the laser cutting head (51) are both installed on the installation plate (21); the image processing system (62) is in communication connection with a host computer (71).
2. The laser cutting machine capable of automatically picking up the sample path and cutting according to claim 1 is characterized in that a travelling mechanism (3) is arranged below the frame (2) and can move back and forth along the base (1); a moving mechanism (4) is arranged above the rack (2), and the mounting plate (21) is connected with the moving mechanism (4) and can move left and right along the rack (2).
3. The laser cutting machine capable of automatically picking up and cutting a sample path according to claim 1, wherein the image acquisition device (61) is a CCD camera or a cmos camera.
4. The laser cutter capable of automatically picking up and cutting a sample path according to claim 1, wherein the laser cutter (5) is a fiber laser cutter; the laser cutter (5) is in communication connection with a host computer (71).
5. The laser cutting machine capable of automatically picking up and cutting the sample path according to claim 2, wherein the two traveling mechanisms (3) are respectively arranged at the left and right sides of the machine frame (2).
6. The laser cutting machine capable of automatically picking up and cutting a sample path according to claim 5, wherein the traveling mechanism (3) comprises a limit rail (31), a roller frame (32) and a first motor (34);
spacing track (31) are fixed on the base along the fore-and-aft direction, gyro wheel frame (32) and frame (2) fixed connection, gyro wheel frame (32) bottom is equipped with a plurality of gyro wheels (33), gyro wheel (33) are located spacing track (31), motor (34) are rotated through drive mechanism drive gyro wheel (33).
7. The laser cutting machine capable of automatically picking up and cutting the sample path according to claim 2, wherein the moving mechanism (4) comprises a guide rail (41), a slide block (42), a rack (43), a gear (44) and a second motor (45), the frame (2) comprises a cross beam (22) positioned above, the guide rail (41) is arranged on the front side surface of the cross beam (22), and the slide block (42) is fixedly connected with the mounting plate (21) and can slide along the guide rail (41); the second motor (45) is fixed on the mounting plate (21), an output shaft of the second motor (45) is fixed with the gear (44), the rack (43) is arranged on the upper surface of the cross beam (22) and is parallel to the guide rail (41), and the rack (43) is meshed with the gear (44).
8. The laser cutting machine capable of automatically picking up and cutting the sample path according to claim 1, further comprising a positioning assembly (9), wherein a cutting platform (11) is further arranged on the base (1); the positioning assembly (9) comprises a first fixed plate (91), a second fixed plate (92), a third movable plate (93), a fourth movable plate (94), a first air cylinder (95) and a second air cylinder (96);
the first fixed plate (91) is positioned on the left side of the cutting platform (11) and fixedly connected with the base (1), the third movable plate (93) and the first cylinder (95) are positioned on the right side of the cutting platform (11), the first cylinder (95) is fixedly connected with the base (1), and the third movable plate (93) is fixedly connected with the output end of the first cylinder (95);
the second fixed plate (92) is located on the front side of the cutting platform (11) and is fixedly connected with the base (1), the fourth movable plate (94) and the second air cylinder (96) are located on the rear side of the cutting platform (11), the second air cylinder (96) is fixedly connected with the base (1), and the fourth movable plate (94) is fixedly connected with the output end of the second air cylinder (96);
the movable plate three (93), the movable plate four (94), the first cylinder (95) and the second cylinder (96) are all provided with a plurality of.
9. The laser cutting machine capable of automatically picking up a sample path and cutting according to claim 8, further comprising a light-emitting lamp (8), wherein the light-emitting lamp (8) is mounted on the frame (2) and faces the cutting platform (11).
10. A cutting method of a laser cutting machine capable of automatically picking up a sample path and cutting is characterized by comprising the following steps:
drawing a contour on a sample plate by a worker according to the structural characteristics of the position of the signboard to be installed on site or according to a sample;
secondly, placing the sample plate on a cutting platform (11), starting a visual recognition system (6), transmitting the contour data acquired by an image acquisition device (61) to an image processing system (62), converting the contour data into digital signals by the image processing system (62), and transmitting the digital signals to a host computer (71); the host computer (71) reads and stores the data;
taking the sample plate off the cutting platform (11), putting the signboard plate on the sample plate, and respectively starting the first air cylinder (95) and the second air cylinder (96) so as to push the movable plate three (93) and the movable plate four (94) and tightly press the signboard plate onto the fixed plate one (91) and the fixed plate two (92);
step four, starting the laser cutter (5), reading the data stored in the step three by the host computer (71), and controlling the laser cutting head (51) to cut according to the outline;
and step five, taking out the cut signboard panel, and closing the machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211294000.8A CN115401339A (en) | 2022-10-21 | 2022-10-21 | Laser cutting machine capable of automatically picking up sample path and cutting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211294000.8A CN115401339A (en) | 2022-10-21 | 2022-10-21 | Laser cutting machine capable of automatically picking up sample path and cutting method |
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| CN202211294000.8A Pending CN115401339A (en) | 2022-10-21 | 2022-10-21 | Laser cutting machine capable of automatically picking up sample path and cutting method |
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Cited By (1)
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