CN113478095B - Flexible plate laser precision cutting system and method thereof - Google Patents
Flexible plate laser precision cutting system and method thereof Download PDFInfo
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- CN113478095B CN113478095B CN202110562367.2A CN202110562367A CN113478095B CN 113478095 B CN113478095 B CN 113478095B CN 202110562367 A CN202110562367 A CN 202110562367A CN 113478095 B CN113478095 B CN 113478095B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001179 sorption measurement Methods 0.000 claims abstract description 90
- 230000005540 biological transmission Effects 0.000 claims abstract description 84
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 239000000463 material Substances 0.000 claims abstract description 54
- 238000003698 laser cutting Methods 0.000 claims abstract description 46
- 238000005096 rolling process Methods 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000002596 correlated effect Effects 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 16
- 229910010293 ceramic material Inorganic materials 0.000 description 8
- 229910001018 Cast iron Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000003475 lamination Methods 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/04—Supporting web roll cantilever type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse 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)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention provides a flexible board laser precision cutting system and a method thereof, wherein the flexible board laser precision cutting system comprises a transmission module, a laser cutting module and two feeding modules which are arranged on two sides of the laser cutting module, wherein the feeding modules comprise a positioning unit and a transmission unit; the cooperation sets up a set of feed module respectively in order to form the duplex position in the both sides of laser cutting module, cut work in step, wherein the feed module includes positioning unit and transmission unit, positioning unit's vacuum adsorption platform cooperates roll extrusion advancing process of roll extrusion mechanism to the flexible board of rolling department progressively adsorb in step, realize completely leveling laminating absorption, transmission unit is leading the traction force of flexible board transmission, the tension detection mechanism of rear end and the cooperation of drawing material mechanism of front end are correlated with each other, thereby the feeding speed is unanimous around guaranteeing, avoid the flexible board to take place to drag deformation, material loading and cutting inefficiency that exists among the prior art, flexible panel transmission yielding and unable smooth absorptive technical problem have been solved.
Description
Technical Field
The invention relates to the technical field of laser, in particular to a flexible board laser precision cutting system and a method thereof.
Background
Conventional flexible board (e.g., flexible circuit board, etc.) cutting devices mainly use contact means such as mechanical cutters to cut thin flexible boards.
The Chinese patent 201711227014.7 discloses a thin flexible sheet laser precision cutting machine and a cutting method, wherein the laser precision cutting machine comprises a control system, a vacuum adsorption positioning platform electrically connected with the control system, an XYZ shaft transmission system, a laser cutting system and a CCD positioning system, wherein: the vacuum adsorption positioning platform is arranged on the XYZ shaft transmission system; the laser cutting system is used for carrying out laser cutting on the thin flexible plate; the CCD positioning system is used for shooting and acquiring a plurality of position point images of the thin flexible plate and transmitting the position point images to the control system, and the control system compares the position point images of the thin flexible plate with the standard position point images to determine an error value; during laser cutting, the control system controls the XYZ shaft transmission system to compensate the error value.
However, the above technical scheme only discloses a cutting device for flexible boards, before cutting, the flexible boards need to be manually placed on a cutting platform, a continuous conveying structure of the flexible boards is lacking, a feeding mode is traditional, and the overall cutting efficiency is low; and because the flexible board has good ductility and plasticity, the flexible board can be deformed by adopting a common transmission structure for transmission, and bubbles are easy to generate when the flexible board is fixedly adsorbed, so that the adsorption is uneven.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a flexible board laser precision cutting system and a method thereof, wherein a group of feeding modules are respectively arranged at two sides of a laser cutting module in a matching way to form double stations and synchronously cut, the feeding modules comprise a positioning unit and a transmission unit, a vacuum adsorption platform of the positioning unit is matched with a rolling pushing process of a rolling mechanism to synchronously adsorb a flexible board at a rolled position step by step, so that the flexible board is completely and flatly attached and adsorbed, the transmission unit is used for leading the traction force of the flexible board transmission, a tension detection mechanism at the rear end is matched with a material pulling mechanism at the front end in a correlation way, the front and rear feeding speeds are ensured to be consistent, the flexible board is prevented from being pulled and deformed, and the technical problems of low feeding and cutting efficiency, easy deformation of the flexible board transmission and incapability of flatly adsorbing in the prior art are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the flexible board laser precision cutting system comprises a transmission module, a laser cutting module for performing laser cutting on the flexible board, a feeding module and a transmission unit, wherein the laser cutting module is arranged on the transmission module and driven by the transmission module to perform multi-axis movement; the positioning unit comprises a vacuum adsorption platform and a rolling mechanism arranged on the vacuum adsorption platform in a sliding manner.
Preferably, the cutting system is arranged in a double-station structure, and two groups of feeding modules are symmetrically arranged on two sides of the transmission module.
Preferably, the vacuum adsorption platform comprises an adsorption platform with a negative pressure cavity inside, adsorption holes communicated with the negative pressure cavity are uniformly distributed on the adsorption platform, and a vacuum pumping device is externally connected with the negative pressure cavity; the rolling mechanism comprises guide rails arranged on two sides of the vacuum adsorption platform, a compression roller part arranged on the two guide rails in a sliding mode and a rolling driving part for driving the compression roller part to linearly slide; the adsorption sealing door of the vacuumizing device is synchronously opened in cooperation with the rolling process of the compression roller part.
Preferably, the transmission unit comprises a material pulling mechanism arranged at the front end of the positioning unit and a feeding mechanism arranged at the rear end of the positioning unit; the flexible board is continuously released by the feeding mechanism and is pulled by the pulling mechanism to be conveyed forwards.
Preferably, the material pulling mechanism comprises a material pulling installation seat, a driving roller and a driven roller which are rotatably installed on the material pulling installation seat, and a material pulling driving part which drives the driving roller to rotate, wherein the driving roller and the driven roller are arranged in an up-down matching way, and a transmission channel of a flexible plate is formed between the driving roller and the driven roller.
Preferably, the material pulling mechanism further comprises two spacing adjusting components which are arranged on two sides of the material pulling installation seat, and the driven roller is rotatably arranged on the spacing adjusting components and is driven by the spacing adjusting components to vertically lift so as to adjust the thickness of the transmission channel.
Preferably, the transmission unit further comprises a tension detection mechanism arranged between the feeding mechanism and the positioning unit; the flexible board is in tension transmission through the tension detection mechanism.
Preferably, the tension detection mechanism comprises a tension sensor, a tension roller arranged on the tension sensor and first compression rollers which are arranged on two sides of the tension roller in two groups, wherein the first compression roller is lower than the tension roller and the top adsorption surface of the vacuum adsorption platform, and the flexible plate is transmitted through the bottom of the first compression roller and the top of the tension roller;
and a second press roller is further arranged between the vacuum adsorption platform and the material pulling mechanism, the second press roller is lower than the top adsorption surface of the vacuum adsorption platform, and the flexible plate is transmitted to pass through the bottom of the second press roller.
Preferably, the feeding module further comprises a cutting unit arranged at the output front end of the transmission unit.
The invention also provides a method for cutting the flexible board by using the flexible board laser precision cutting system, which comprises the following steps:
step one, constant-speed transmission: the transmission unit with the front traction force continuously transmits the flexible board, and in the transmission process, the tension of the flexible board at the rear end is detected and the traction force at the front end is matched and adjusted so that the speed of the front end and the rear end of the flexible board transmission is consistent;
step two, rolling and adsorbing: when the flexible board is conveyed to the vacuum adsorption platform, the vacuum adsorption platform gradually flatly adsorbs the flexible board by matching with the rolling process of the rolling mechanism;
step three, laser cutting: the laser cutting module is driven by the transmission module to perform multi-axis movement, and performs multiple laser cutting on the flexible board after performing shooting detection and feedback of damage and deviation of the flexible board;
step four, transmitting and outputting: and after the cut flexible board is transmitted to the discharge end of the feeding module for cutting, outputting and discharging.
The invention has the beneficial effects that:
(1) According to the invention, the transmission module and the laser cutting module driven by the transmission module to perform multi-axis movement are arranged, and a group of feeding modules are respectively arranged on two sides of the laser cutting module in a matched manner to form double stations, so that cutting work is performed synchronously, and the cutting efficiency is improved; in addition, each functional module is arranged in the shell, and a feeding space and a discharge hole which are convenient for replacing the whole roll of feeding and a turnover door which is convenient for manual observation and adjustment are arranged on the shell in cooperation with the positions of each module, so that safe and orderly production is realized;
(2) Considering the material characteristics of good ductility and the like of the flexible plate, the invention is provided with the transmission unit consisting of the material pulling mechanism, the feeding mechanism and the tension detection mechanism, and the front side of the vacuum adsorption platform is provided with the material pulling mechanism, and the rear side is provided with the tension detection mechanism which is in control association with the material pulling mechanism, so that deformation-free transmission of the flexible plate is realized, wherein the traction power of the flexible plate transmission is preposed, and the material pulling speed of the material pulling mechanism is regulated by matching with tension detection and feedback, thereby ensuring that the speed of the flexible plate is kept consistent before and after the transmission process, and avoiding the occurrence of pulling deformation;
(3) Considering that the flexible plate is soft, the traditional whole-surface adsorption mode is easy to generate bubbles and adsorb unevenness, the invention is provided with the positioning unit consisting of the vacuum adsorption platform and the rolling mechanism, and adjusts the adsorption process, so that the absolute smooth attaching adsorption of the flexible plate can be realized, the rolling mechanism is used for compacting and attaching the flexible plate to the vacuum adsorption platform, and the adsorption sealing door of the vacuum adsorption platform is gradually opened in cooperation with the rolling process, so that the adsorption action is synchronously carried out in cooperation with the rolling action, and the traditional surface adsorption mode is adjusted to a linear adsorption mode like a mobile phone film attaching mode, thereby effectively preventing the generation of bubbles and folds and realizing the complete smooth attaching adsorption; the first compression roller and the second compression roller are arranged at the front end and the rear end of the vacuum adsorption platform in a low mode, and the two ends of the flexible board part positioned on the vacuum adsorption platform are pressed and tensioned downwards, so that the smooth attachment of the flexible board part is further ensured;
(4) According to the invention, the material of the vacuum adsorption panel is screened and optimized, and one of cast iron or ceramic materials is adopted, wherein the cast iron material is low in cost, the ceramic material is preferably adopted, and is not easy to deform relative to the cast iron material, and is easy to polish and open after sintering due to inconvenient opening of the marble plate, and the polished ceramic is high in flatness and smoothness, and can be provided with a plurality of dense small holes, so that the adsorption capacity is improved, the flatness is good when the flexible plate is adsorbed, deformation and wrinkling are hardly caused, the defect of the traditional material is avoided, and the vacuum adsorption panel is convenient to process, stable in use performance, and smooth lamination and accurate cutting of the flexible plate are ensured.
In conclusion, the invention has the advantages of high feeding and cutting efficiency, no deformation continuous transmission of the flexible board, complete smooth lamination and adsorption and the like, and is particularly suitable for the technical field of flexible board laser cutting.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a body module according to the present invention;
FIG. 2 is a front view of the overall structure of the body module of the present invention;
FIG. 3 is a schematic view of a feed module according to the present invention;
FIG. 4 is a schematic view of a positioning unit according to the present invention;
FIG. 5 is a schematic diagram of a material pulling mechanism according to the present invention;
FIG. 6 is an enlarged view of FIG. 3 at A;
FIG. 7 is a front view of the feed module of the present invention;
FIG. 8 is an enlarged view of FIG. 3B;
FIG. 9 is an enlarged view of FIG. 7 at C;
FIG. 10 is a schematic diagram of the overall structure of the present invention;
FIG. 11 is a schematic diagram of the whole structure of the second embodiment of the present invention;
FIG. 12 is a schematic diagram of a transmission module according to the present invention;
FIG. 13 is a schematic view of a laser cutting module according to the present invention;
fig. 14 is a schematic structural view of a clipping unit according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
As shown in fig. 1, the flexible board laser precision cutting system and the method thereof comprise a transmission module 100, a laser cutting module 200 for performing laser cutting on a flexible board 10, wherein the laser cutting module 200 is installed on the transmission module 100 and driven by the transmission module to perform multi-axis movement, and further comprises a feeding module 300, and the feeding module 300 comprises a positioning unit 301 positioned below a cutting end of the laser cutting module 200 and used for performing adsorption positioning on the flexible board 10, and a transmission unit 302 used for continuously transmitting the flexible board 10 through above the positioning unit 301; as shown in fig. 3, the positioning unit 301 includes a vacuum adsorption platform 1 and a rolling mechanism 2 slidably disposed on the vacuum adsorption platform 1.
Preferably, as shown in fig. 2, the cutting system is configured as a double-station structure, and two groups of the feeding modules 300 are symmetrically arranged on two sides of the transmission module 100.
In this embodiment, by setting the transmission module 100 and the laser cutting module 200 driven by the transmission module 100 to perform multi-axis movement, a group of feeding modules 300 are respectively set on two sides of the laser cutting module 200 in a matching manner to form a duplex position, so as to perform cutting work synchronously, and improve cutting efficiency.
Preferably, as shown in fig. 10-11, the laser cutting machine further comprises a machine shell 9 and a control module, wherein the transmission module 100, the laser cutting module 200 and the feeding module 300 are all installed at the upper part in the machine shell 9, and the control module is arranged at the lower part of the machine shell 9; the control module is electrically connected to the transmission module 100, the laser cutting module 200 and the feeding module 300.
Preferably, the left and right sides of the casing 9 are respectively provided with a turnstile 91 at positions corresponding to the positioning units 301; a discharge port 92 is formed on the front side of the casing 9 corresponding to the discharge end of the feeding module 300, a material receiving plate 60 is arranged below the cutting unit 303, and the material receiving plate 60 extends out of the discharge port 92; the rear side of the casing 9 is provided with a mounting space 93 for replacing and mounting the feeding mechanism 4, and a transmission window 94 for the flexible board to pass through is formed in the rear side of the mounting space 93.
In this embodiment, through setting up casing 9, with each functional module overall arrangement installation in casing 9, the position of cooperation each module sets up installation space 93, discharge gate 92 and the door 91 that turns over that makes things convenient for manual observation and regulation of convenient whole roll of material loading on the casing, realizes safe orderly production.
Preferably, as shown in fig. 4, the vacuum adsorption platform 1 includes an adsorption platform 11 with a negative pressure cavity therein, adsorption holes 12 communicated with the negative pressure cavity are uniformly distributed on the adsorption platform 11, and a vacuum pumping device is externally connected to the negative pressure cavity.
Preferably, the rolling mechanism 2 is slidably disposed along the conveying direction of the flexible board 10. The rolling mechanism 2 comprises guide rails 21 arranged on two sides of the vacuum adsorption platform 1, a compression roller part 22 arranged on the two guide rails 21 in a sliding mode, and a rolling driving part 23 for driving the compression roller part 22 to linearly slide; the adsorption sealing door of the vacuumizing device is synchronously opened in cooperation with the rolling process of the press roller part 23.
Considering that the flexible board material is soft, the traditional whole-surface adsorption mode is easy to generate bubbles and adsorb unevenness, in the embodiment, a positioning unit consisting of a vacuum adsorption platform and a rolling mechanism is arranged, and the adsorption process is adjusted, so that the absolute smooth lamination adsorption of the flexible board can be realized. The compression roller of the compression roller portion 22 is used for compacting and attaching the flexible board 10 to the vacuum adsorption platform 1, and the adsorption sealing door of the vacuum adsorption platform 1 is gradually opened in cooperation with the rolling process, so that adsorption actions are synchronously performed in cooperation with the rolling actions, namely, the flexible board 10 at the rolled position is synchronously started to suck the flexible board 10 at the position by negative pressure through the adsorption holes 12 at the bottom of the flexible board, the area covered by rolling is subjected to negative pressure adsorption, the area uncovered by rolling is not adsorbed, thus the rolling and adsorption are synchronously advanced, the whole planar attachment is gradually completed from one end to the other end in a similar mobile phone film attaching mode, bubbles and wrinkles can be effectively prevented, and complete smooth attaching and adsorption are realized.
Preferably, the adsorption table 11 is made of cast iron or ceramic material, wherein the ceramic material is preferably made of sintered ceramic material, so that the ceramic material is easy to polish and open, has higher flatness and smoothness after polishing, can be provided with a plurality of dense small holes, can increase adsorption capacity, has good flatness when adsorbing flexible plates, and hardly generates deformation and wrinkles.
In this embodiment, through screening and optimizing the material of the vacuum adsorption panel of the adsorption table 11, a cast iron material with low cost can be adopted, preferably a ceramic material is adopted, the ceramic material is not easy to deform relative to the cast iron material, and is easier to open relative to marble material.
Preferably, as shown in fig. 3, the conveying unit 302 includes a material pulling mechanism 3 disposed at the front end of the positioning unit 301 and a feeding mechanism 4 disposed at the rear end of the positioning unit 301; the flexible board 10 is continuously released by the feeding mechanism 4 and is pulled to be conveyed forward by the pulling mechanism 3.
Preferably, the transmission unit 302 further includes a tension detecting mechanism 5 disposed between the feeding mechanism 4 and the positioning unit 301; the flexible board 10 is transported in tension through the tension detecting mechanism 5.
Because the flexible board 10 has good ductility and plasticity, permanent deformation is easy to occur when the flexible board is pulled, in this embodiment, considering the above material characteristics of the flexible board 10, a transmission unit composed of a material pulling mechanism, a feeding mechanism and a tension detecting mechanism is provided, and by arranging the material pulling mechanism on the front side of the vacuum adsorption platform and arranging the tension detecting mechanism associated with the control of the material pulling mechanism on the rear side, deformation-free transmission of the flexible board is realized, wherein the traction power of the flexible board transmission is prepositioned, and the material pulling speed of the material pulling mechanism is regulated in cooperation with tension detection and feedback, so that the speed of the flexible board is kept consistent before and after the transmission process, and the pulling deformation is avoided.
Preferably, as shown in fig. 5, the material pulling mechanism 3 includes a material pulling mounting seat 31, a driving roller 32 and a driven roller 33 rotatably mounted on the material pulling mounting seat 31, and a material pulling driving part 34 for driving the driving roller 32 to rotate, wherein the driving roller 32 and the driven roller 33 are vertically matched and form a transmission channel 30 of the flexible board 10 therebetween.
Preferably, as shown in fig. 6, the tension detecting mechanism 5 includes a tension sensor 51, a tension roller 52 disposed on the tension sensor 51, and first pressing rollers 53 disposed on both sides of the tension roller 52, wherein the first pressing rollers 53 are disposed lower than the tension roller 52 and the top suction surface of the vacuum suction platform 1, and the flexible board 10 is transported through the bottom of the first pressing rollers 53 and the top of the tension roller 52.
In this embodiment, the tension monitoring data of the tension detecting mechanism 5 is fed back to the control module, and the control module controls the rotation speed of the feeding mechanism 4.
Preferably, as shown in fig. 8-9, a second pressing roller 50 is further disposed between the vacuum adsorption platform 1 and the material pulling mechanism 3, the second pressing roller 50 is lower than the top adsorption surface of the vacuum adsorption platform 1, and the flexible board 10 is transported through the bottom of the second pressing roller 50.
In addition, the embodiment is matched with the first pressing roller 53 and the second pressing roller 50 which are arranged at the front end and the rear end of the vacuum adsorption platform 1 in a low mode, and the two ends of the flexible board part located on the vacuum adsorption platform 1 are pressed and tensioned, so that the smooth attachment of the flexible board part is further ensured.
Preferably, as shown in fig. 3, the feeding mechanism 4 includes a feeding roller 41 rotatably mounted on the frame, and a flexible board coiled material 40 is tightly sleeved on the feeding roller 41.
Preferably, as shown in fig. 9, the feeding module 300 further includes a cutting unit 6 disposed at an output front end of the transmission unit 302.
Preferably, as shown in fig. 12, the transmission module 100 includes an X-axis transmission unit 101 for driving the laser cutting module 200 to reciprocate along the X-axis direction, and a Y-axis transmission unit 102 mounted on the X-axis transmission unit 101 for driving the laser cutting module 200 to reciprocate along the Y-axis direction; the transmission direction of the transmission unit 302 is the same as the transmission direction of the X-axis transmission unit 101.
Preferably, as shown in fig. 13, the laser cutting module 200 includes a cutting unit 7 and a positioning unit 8.
As shown in fig. 1, the cutting unit 7 includes a laser transmitter 71, a beam splitter module 72 disposed in the middle of the Y-axis transmission unit 102, two sets of mirror modules 73 and a vibrating mirror module 74 corresponding to the two sets of feeding modules 300 disposed on two sides of the beam splitter module 72, and a laser beam emitted by the laser transmitter 71 is divided into two paths by the beam splitter module 72 and is respectively transmitted to the mirror module 73, and then reflected by the mirror module 73 to the vibrating mirror module 74, and then laser cutting is performed on the flexible board.
The positioning unit 8 is used for detecting damage and position deviation of the flexible board 10 and feeding back to the control module. When the position deviation is detected, the positioning unit 8 shoots and acquires a plurality of position point images of the flexible board and transmits the position point images to the control module, the control module compares the position point images of the flexible board 10 with the standard position point images to determine an error value, and when the cutting unit 7 performs laser cutting, the control module controls the transmission module 100 to compensate the error value.
Preferably, the positioning unit 8 is configured to be capable of being lifted and lowered, as shown in fig. 13, and includes a CCD camera 81 and an LED ring lamp 82, where the lower end of the CCD camera 81 is movably disposed through the LED ring lamp 82.
Example two
In this embodiment, the same or corresponding parts as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and only the differences from the first embodiment will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that:
preferably, as shown in fig. 5, the material pulling mechanism 3 further includes two spacing adjusting assemblies 35 disposed on two sides of the material pulling mounting seat 31, and the driven roller 33 is rotatably mounted on the spacing adjusting assemblies 35, and is driven by the spacing adjusting assemblies 35 to vertically lift and lower to adjust the thickness of the conveying channel 30.
In the present embodiment, the flexible board 10 passes through the conveying passage 30, and the distance between the driven roller 33 and the driving roller 32 is adjusted in accordance with the thickness of the flexible board 10, i.e., the thickness of the conveying passage 30 is adjusted so that the flexible board is conveyed forward by the rolling friction of the driving roller 33 and the driving roller 32.
Preferably, as shown in fig. 9, the interval adjusting assembly 35 includes a guide post 36 vertically installed, an adjusting plate 37 vertically slidably installed on the guide post 36, and an adjusting driving part 38 for driving the adjusting plate 37 to vertically slide, and both ends of the driven roller 33 are correspondingly rotatably installed on the adjusting plate 37.
Example III
In this embodiment, the same or corresponding parts as those in the first or second embodiment are denoted by the same reference numerals as those in the first embodiment, and only the differences from the first or second embodiment will be described below for the sake of brevity. The third embodiment is different from the first or second embodiment in that:
preferably, as shown in fig. 14, the cutting unit 6 includes a cutter portion 61 mounted to slide vertically, a cutting driving portion 62 driving the cutter portion 61 to slide vertically, and a cutting bottom plate 63 positioned below the cutter portion 61 and adapted to perform a cutting operation in cooperation with the cutter portion 61.
In this embodiment, the cutter portion 61 of the cutting unit 6 is slidably mounted on the pulling mounting seat 31 of the pulling mechanism 3, the cutting driving portion 62 is fixedly mounted on the pulling mounting seat 31, and the driving end of the cutting driving portion 62 is fixedly connected with the cutter portion 61.
Preferably, the cutter portion 61 is provided with an elastic pressing portion 64, and when the cutter portion 61 moves downward, the elastic pressing portion 64 elastically compresses and presses the flexible board 10 to be cut against the cutting bottom plate 63.
It should be noted that, the elastic pressing portion 64 includes an elastic portion vertically and fixedly mounted on the cutter portion 61 and a pressing plate fixedly mounted on a free end of a bottom portion of the elastic portion, and when the cutter portion 61 starts to move down but is not in contact with the flexible plate, the pressing plate contacts the flexible plate and presses the flexible plate against the cutting bottom plate 63, so as to perform auxiliary pressing for cutting.
Example IV
The method for performing laser cutting on the flexible board by using the flexible board laser precision cutting system and the method thereof in the embodiment comprises the following steps:
step one, constant-speed transmission: the transmission unit 302 with front traction force continuously transmits the flexible board 10, and in the transmission process, the tension of the flexible board at the rear end is detected and the traction force at the front end is matched and adjusted so that the speed of the front end and the rear end of the flexible board 10 is consistent;
in the first step, the material pulling mechanism 3 at the front end pulls the flexible board 10 continuously released from the feeding mechanism 4, the flexible board 10 is tensioned and conveyed by the cooperation of the first pressing roller 53, the tensioning roller 52, the second pressing roller 50, the driving roller 32 and the driven roller 33, in the conveying process, the tension sensor 51 at the rear end detects the conveying tension of the flexible board, the detection result is fed back to the control module, and the control module controls the rotating speed of the driving roller 32, so that the speed of the front end and the rear end of the flexible board 10 is always consistent.
Step two, rolling and adsorbing: when the flexible board 10 is conveyed to the vacuum adsorption platform 1, the vacuum adsorption platform 1 gradually flatly adsorbs the flexible board 10 by matching with the rolling process of the rolling mechanism 2;
in the second step, the adsorption sealing door of the vacuum suction device of the vacuum adsorption platform 1 is synchronously opened in cooperation with the rolling process of the press roller part 23, and the adsorption is gradually completed from line to surface, thereby effectively preventing bubbles and wrinkles.
Step three, laser cutting: the laser cutting module 200 is driven by the transmission module 100 to perform multi-axis movement, and after the laser cutting module 200 performs shooting detection and feedback of damage and deviation of the flexible board 10, the flexible board 10 is subjected to multiple laser cutting;
in the third step, the cut waste is vaporized by adopting a mode of multiple cutting, so that carbonization is prevented from remaining on the flexible board.
Step four, transmitting and outputting: the cut flexible board 10 is transferred to the discharge end of the feeding module 300, and after being cut by the cutting unit 6, the cut flexible board is discharged from the receiving board 60.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (4)
1. The flexible board laser precision cutting system comprises a transmission module (100) and a laser cutting module (200) for carrying out laser cutting on a flexible board (10), and is characterized in that the laser cutting module (200) is arranged on the transmission module (100) and driven by the transmission module to carry out multi-axis movement, and further comprises a feeding module (300), wherein the feeding module (300) comprises a positioning unit (301) which is positioned below a cutting end of the laser cutting module (200) and is used for carrying out adsorption positioning on the flexible board (10) and a transmission unit (302) which is used for continuously transmitting the flexible board (10) to pass through the upper part of the positioning unit (301); the positioning unit (301) comprises a vacuum adsorption platform (1) and a rolling mechanism (2) arranged on the vacuum adsorption platform (1) in a sliding manner;
the vacuum adsorption platform (1) comprises an adsorption platform (11) with a negative pressure cavity inside, adsorption holes (12) communicated with the negative pressure cavity are uniformly distributed on the adsorption platform (11), and a vacuum pumping device is externally connected with the negative pressure cavity; the rolling mechanism (2) comprises guide rails (21) arranged on two sides of the vacuum adsorption platform (1), a compression roller part (22) arranged on the two guide rails (21) in a sliding mode, and a rolling driving part (23) for driving the compression roller part (22) to linearly slide; the adsorption sealing door of the vacuumizing device is synchronously opened in cooperation with the rolling process of the compression roller part (22);
the transmission unit (302) comprises a material pulling mechanism (3) arranged at the front end of the positioning unit (301) and a feeding mechanism (4) arranged at the rear end of the positioning unit (301); the flexible board (10) is continuously released by the feeding mechanism (4) and is pulled by the pulling mechanism (3) to be conveyed forwards;
the transmission unit (302) further comprises a tension detection mechanism (5) arranged between the feeding mechanism (4) and the positioning unit (301); -said flexible sheet (10) is transported in tension through said tension detection means (5);
the tension detection mechanism (5) comprises a tension sensor (51), a tension roller (52) arranged on the tension sensor (51) and first compression rollers (53) which are arranged on two sides of the tension roller (52) in two components, wherein the first compression rollers (53) are lower than the tension roller (52) and the top adsorption surface of the vacuum adsorption platform (1), and the flexible board (10) is transmitted through the bottom of the first compression roller (53) and the top of the tension roller (52);
a second press roller (50) is further arranged between the vacuum adsorption platform (1) and the material pulling mechanism (3), the second press roller (50) is lower than the top adsorption surface of the vacuum adsorption platform (1), and the flexible board (10) is transmitted through the bottom of the second press roller (50);
the material pulling mechanism (3) comprises a material pulling mounting seat (31), a driving roller (32) and a driven roller (33) which are rotatably mounted on the material pulling mounting seat (31), and a material pulling driving part (34) which drives the driving roller (32) to rotate, wherein the driving roller (32) and the driven roller (33) are arranged in an up-and-down matching way, and a transmission channel (30) of the flexible board (10) is formed between the driving roller and the driven roller;
the material pulling mechanism (3) further comprises two spacing adjusting assemblies (35) which are arranged on two sides of the material pulling installation seat (31), and the driven roller (33) is rotatably arranged on the spacing adjusting assemblies (35) and is driven by the spacing adjusting assemblies (35) to vertically lift so as to adjust the thickness of the transmission channel (30).
2. The flexible board laser precision cutting system according to claim 1, wherein the cutting system is configured as a double-station structure, and two groups of the feeding modules (300) are symmetrically arranged on two sides of the transmission module (100).
3. The flexible board laser precision cutting system according to claim 1, wherein the feeding module (300) further comprises a cutting unit (6) disposed at an output front end of the transmission unit (302).
4. A method of laser cutting a flexible board using the flexible board laser precision cutting system of any one of claims 1 to 3, comprising the steps of:
step one, constant-speed transmission: the transmission unit (302) with front traction force continuously transmits the flexible board (10), and in the transmission process, tension detection is carried out on the flexible board at the rear end and the traction force at the front end is matched and adjusted, so that the speed of the front end and the rear end of the flexible board (10) is consistent;
step two, rolling and adsorbing: when the flexible board (10) is conveyed to the vacuum adsorption platform (1), the vacuum adsorption platform (1) is matched with the rolling process of the rolling mechanism (2) to smoothly adsorb the flexible board (10) gradually;
step three, laser cutting: the laser cutting module (200) is driven by the transmission module (100) to perform multi-axis movement, and after the laser cutting module (200) performs shooting detection and feedback of damage and deviation on the flexible board (10), the flexible board (10) is subjected to multiple laser cutting;
step four, transmitting and outputting: and after the cut flexible board (10) is transmitted to the discharge end of the feeding module (300) for cutting, outputting and discharging.
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| CN113977110B (en) * | 2021-12-30 | 2022-03-04 | 苏州开密科智能装备科技有限公司 | Flexible line way board laser cutting equipment |
| CN115138984A (en) * | 2022-06-27 | 2022-10-04 | 苏州光宝科技股份有限公司 | Automatic laser slitting equipment for flexible circuit board based on high-precision positioning |
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