CN113333968B - Laser processing system of volume to volume control - Google Patents

Abstract

The invention discloses a roll-to-roll controlled laser processing system, belonging to the field of automatic processing equipment, comprising: the feeding assembly is used for providing roll materials; the film separating mechanism is used for tearing the upper layer film of the coiled material, a laser processing machine is arranged at the downstream of the film separating mechanism, and the laser processing machine utilizes laser to cut the middle layer film of the coiled material; the waste material collecting mechanism comprises a first traction roller shaft group, at least one pair of pressure sensors, at least one tension detecting shaft and a first film collecting roller shaft which are sequentially arranged, wherein the tension detecting shaft is abutted against or connected with the pressure sensors and is used for detecting and adjusting the tension of the coil materials during transmission; and the material receiving assembly is used for collecting the lower layer film and the independent part of the coil material. The automatic feeding device can avoid artificial positioning errors and safety accidents; the pressure sensor is arranged to detect the tension applied to the coil stock in real time, the rotation speed of the coil stock is adjusted, and the problems of coil stock pulling deformation, even breakage and the like in the feeding process are solved.

Description

Laser processing system of volume to volume control

Technical Field

The invention belongs to the field of automatic processing equipment, and particularly relates to a roll-to-roll controlled laser processing system.

Background

The laser processing technology is a modern high and new technology which places a workpiece under a high-energy focused light beam and causes the phenomena of erosion and the like of the surface material of the workpiece by using the photo-thermal effect. Because laser processing has good processing efficiency and processing precision, the laser processing technology is widely applied to the emerging industrial fields of steel production, petroleum refining, automobile manufacturing, aerospace and the like, and the laser processing is more and more important as a mature processing technology in the modern production process.

At present, in laser beam machining processes such as laser marking, cutting, still adopt artifical pay-off mode mostly, automatic configuration is low, and the artifical unloading of going up of stick material not only wastes time and energy, often can cause the location inaccurate, go up the unloading efficiency subalternation problem of going up in addition, is difficult to satisfy modern production's demand. In the prior art, a roll shaft is usually adopted by laser processing feeding equipment to receive and discharge coil materials, but in the feeding and winding processes, the coil materials need to bear large tension to be pulled, and the problems of deformation, even fracture and the like of the coil materials are easily caused. To address this situation, chinese patent publication No. CN205472029U proposes a coil stock receiving and discharging device, which includes: the inflatable shaft comprises a cylindrical main body part, a plurality of flexible parts and a transmission mechanism, wherein the flexible parts and the transmission mechanism can be attached to the outer surface of the main body part, and the transmission mechanism can drive the inflatable shaft to rotate; and a swivel joint for inflation or deflation, which is communicated with the flexible part. This patent aims at providing one kind and is used for reducing the tensile device that the coil stock received at receipts material in-process to solve the coil stock and pull deformation, fracture scheduling problem even. However, in the actual use process of the inflatable shaft related to the patent, the tension applied to the inflatable shaft needs to be evaluated, the critical value of inflation and deflation is preset, and in specific application, coil materials with different specifications and sizes usually correspond to different tension values, so that the adjustment is difficult, the applicability is poor, and the requirement of laser processing automatic production is difficult to meet.

Therefore, in order to solve the problems in the prior art, it is urgently needed to provide a laser processing feeding device with a wide application range and a high degree of automation.

Disclosure of Invention

In view of the problems in the related art, the present invention provides a roll-to-roll controlled laser processing system to overcome the above technical problems in the related art.

The technical scheme of the invention is realized as follows: a roll-to-roll controlled laser processing system, which comprises a frame, a feeding component, a film separating mechanism, a laser processing machine, a waste collecting mechanism and a material collecting component which are arranged on the frame in sequence,

the feeding assembly is used for providing a roll material, and the roll material comprises an upper layer of film structure, a middle layer of film structure and a lower layer of film structure which are mutually attached;

the film separating mechanism is arranged at the downstream of the feeding assembly and is used for tearing an upper film of the coil stock, and an intermediate film and a lower film after the upper film is torn are conveyed to a laser processing machine, wherein the intermediate film faces upwards;

the laser processing machine is arranged at the downstream of the film separating mechanism, and utilizes laser to cut the middle layer film of the coil stock, so as to cut an independent part from the middle layer film, and the rest part is continuous waste;

the waste material collecting mechanism is arranged at the downstream of the laser processing machine and comprises a first traction roller shaft group, at least one pair of pressure sensors, at least one tension detection shaft and a first film collecting roller shaft which are sequentially arranged;

the material receiving assembly is arranged at the tail part of the waste material receiving mechanism and is used for collecting a lower film of the roll material and an independent part which is adhered to the lower film and cut from the middle film;

the laser processing machine is provided with a processing platform, a processing light path mechanism is arranged above the processing platform, and a controller for controlling the processing light path mechanism to work is also arranged; the processing light path mechanism comprises a laser, a light path component and a scanning head which are arranged in sequence; the light path component is used for adjusting the focal length of a laser beam and comprises a plurality of concave lenses and/or convex lenses; the laser is emitted from the laser, passes through the optical path component and enters the scanning head, the scanning head changes the direction of the processing laser, the laser is emitted towards the processing platform in a scanning mode, and the middle layer film of the coil stock in the processing platform is cut;

the waste collecting mechanism receives a coil stock cut by a laser processing machine, the pressure sensor is arranged on the frame, the tension detecting shaft is abutted against or connected with the pressure sensor and used for detecting the tension borne by the continuous waste material during transmission, and the first film collecting roller shaft is arranged above the tension detecting shaft; separating the continuous waste material of the middle-layer film from the lower-layer film, and guiding the continuous waste material to a first film collecting roller shaft after passing through the first traction roller shaft group to bypass the tension detection shaft for collecting the continuous waste material; the lower layer film and the independent part of the middle layer film adhered to the lower layer film are conveyed to a material receiving assembly;

when the tension detecting shaft detects that the tension is increased, reducing the winding speed of a first film collecting roller shaft of the waste collecting mechanism; when the tension detecting shaft detects that the tension becomes small, the winding speed of a first film collecting roller shaft of the waste collecting mechanism is increased.

In the invention, the automatic feeding production of laser processing is realized by arranging a plurality of groups of feeding and film collecting roll shafts, so that the production efficiency and stability of laser processing are improved; through setting up pressure sensor real-time detection coil stock and receiving the tension size, correspond and adjust coil stock slew rate, solve among the laser beam machining pay-off process coil stock and pull deformation, fracture scheduling problem even, get rid of numerous and diverse tension regulation operation, simplify the production regulation, improve production efficiency.

Preferably, be equipped with spacing subassembly respectively between two sections adjacent coil stocks of separating between feed subassembly, branch membrane mechanism, receipts waste material mechanism and the receipts material subassembly, spacing subassembly sets up in the frame, including at least one spacing axle and a pair of stopper, a pair of stopper slides and sets up on same spacing axle, a pair of stopper is followed spacing axle is in the same side or the inboard looks butt in the opposite direction of a pair of stopper, both sides when the coil stock is in flat natural state with the inboard looks butt in the opposite direction of a pair of stopper for it is spacing to go up the unloading with the coil stock, gets rid of artificial spacing error and stops the safety problem that the unloading probably causes in the manpower, improves laser beam machining automation efficiency.

Preferably, the feeding assembly comprises a first film releasing roll shaft, the first film releasing roll shaft is arranged on the rack, the extending direction of the first film releasing roll shaft is perpendicular to the extending direction of the rack, the first film releasing roll shaft comprises a first transmission shaft, a first coupler and a first clutch which are sequentially connected, and the middle part of the coiled material penetrates through the first transmission shaft to rotate for feeding;

when the rotating torque is lower than the braking torque, the first clutch brakes, and the first transmission shaft stops rotating to feed;

when the rotating torque is higher than the braking torque, the first clutch releases braking, and the first transmission shaft continues to rotate for feeding;

through setting up first clutch and being used for adjusting surface tension's size when the coil stock feed prevents: when the tension applied to the coil stock in the feeding process is overlarge, the coil stock is pulled, deformed and broken; when tension applied to the coil stock in the feeding process is too small, the amount of air brought into the coil stock is too large, and the coil stock is easy to axially slide and seriously dislocate on a core roll, so that the uncoiled stock is easy to greatly swing when laser slitting is performed, and the quality of a slit film is affected.

Preferably, the film separating mechanism comprises a second traction roller shaft group and a second film collecting roller shaft,

the second traction roller shaft group comprises a second driving wheel shaft and a second driven wheel shaft, a second driver is arranged on the second driving wheel shaft, power is provided by the second driver, the second driven wheel shaft is abutted against or separated from the second driving wheel shaft, the second film collecting roller shaft is arranged above the second traction roller shaft group, the coiled material is conveyed to the film separating mechanism from the feeding assembly, then the upper film is separated and guided to the second film collecting roller shaft, and the middle film and the lower film of the coiled material are conveyed to the laser processing platform by the power provided by the second driving wheel shaft; the film separating mechanism is arranged to tear the upper film structure of the coil stock, so that laser processing post-treatment is conveniently carried out.

Preferably, the waste collecting mechanism is provided with a first traction roller shaft group, a first pair of pressure sensors, a first tension detection shaft, a second pair of pressure sensors, a second tension detection shaft and a first film collecting roller shaft,

the first pair of pressure sensors are arranged at a position close to the first traction roller shaft group, are matched with the first tension detection shaft and are used for detecting the tension applied to the front section of the continuous waste of the film in the stripped coil stock;

the second pair of pressure sensors are arranged at the position close to the first film collecting roller shaft, are matched with the second tension detection shaft and are used for detecting the tension applied to the rear section of the continuous waste of the film in the coil stock guided to the first film collecting roller shaft; through setting up the tension size that multiunit pressure sensor real-time detection coil stock received, correspond and adjust coil stock slew rate, solve laser beam machining pay-off in-process coil stock and pull deformation, fracture scheduling problem even.

Preferably, an included angle alpha is formed between two adjacent sections of coil materials separated from the first traction roller shaft group, the first tension detection shaft, the second tension detection shaft and the first film collecting roller shaft relative to the horizontal direction, the included angle alpha is more than 0 degree and less than 90 degrees, so that a larger pre-tightening force is formed on the tension detection shaft, the sensing precision of the pressure sensor is improved, and the rotation speed of the coil materials is correspondingly and accurately adjusted.

Preferably, a third traction roller shaft group is further arranged between the waste collecting mechanism and the laser processing platform and used for providing power for coil conveying of the laser processing platform and conveying the coil after cutting processing of the laser processing platform to the next process, and an encoder is further arranged at one end of a driving wheel shaft of the third traction roller shaft group and used for obtaining accurate feeding length and real-time feeding speed.

Preferably, the material receiving assembly comprises a third film receiving roller shaft, a third pair of pressure sensors and a third tension detection shaft,

the third pair of pressure sensors are arranged at positions close to the third film collecting roller shaft and matched with the third tension detection shaft for detecting the tension applied to the coil guided to the third film collecting roller shaft.

Preferably, the film covering device further comprises a film covering mechanism, wherein the film covering mechanism is arranged between the waste collecting mechanism and the material collecting assembly and is used for covering a layer of protective film on the upper end face of the lower layer film of the roll material and the independent part of the middle layer film adhered to the lower layer film in a pasting mode.

More preferably, the film covering mechanism comprises a fourth traction roller shaft group, a fourth pair of pressure sensors, a fourth tension detection shaft and a second film releasing roller shaft,

the fourth traction roller shaft group is arranged on the frame, the second film releasing roller shaft is arranged above the fourth traction roller shaft group,

the second film-releasing roll shaft comprises a second transmission shaft, a second coupling and a second clutch which are sequentially connected, the protective film roll passes through the second transmission shaft and rotates to feed materials,

when the rotating torque is lower than the braking torque, the second clutch brakes, and the second transmission shaft stops rotating to supply materials;

when the rotating torque is higher than the braking torque, the second clutch releases braking, and the second transmission shaft continues to rotate for feeding;

the fourth pair of pressure sensors are arranged at the position close to the fourth traction roller shaft group and matched with the fourth tension detection shaft, and the fourth pair of pressure sensors are used for detecting the tension applied to the coil stock guided to the fourth traction roller shaft group.

The invention has the beneficial effects that:

(1) The automatic feeding production of laser processing is realized by arranging a plurality of groups of feeding and film collecting roller shafts, the production efficiency and stability of laser processing are improved, and the safety accidents possibly caused by artificial positioning errors and manual feeding and discharging are avoided;

(2) The tension applied to the coil stock is detected in real time by arranging the pressure sensor, the rotating speed of the coil stock is correspondingly adjusted, and the problems of pulling deformation, even breakage and the like of the coil stock in the laser processing feeding process are solved;

(3) The tension adjusting device has the advantages that the application range is wide, the tension of the coil stock can be detected, the coil stock with different specifications and sizes can be handled, complicated tension adjusting operation is eliminated, the production procedure is simplified, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of a three-layer film structure of the coil stock of the present invention;

FIG. 5 is a schematic structural view of a feeding assembly and a film separating mechanism according to the present invention;

FIG. 6 is a top view of the feed assembly and the membrane separation mechanism of the present invention;

FIG. 7 is a sectional view taken along line B-B of FIG. 6;

FIG. 8 is a schematic view of a first film-releasing roll of the feeding assembly of the present invention;

FIG. 9 is a schematic structural view of a second stop assembly of the present invention;

FIG. 10 is a schematic structural view of a second traction roller set of the film separating mechanism of the present invention;

FIG. 11 is a schematic view of a laser beam machine according to the present invention;

FIG. 12 is a schematic structural view of the waste material collecting mechanism, the film covering mechanism and the material collecting assembly according to the present invention;

FIG. 13 is an isometric view of a waste collection mechanism of the present invention;

FIG. 14 is a schematic diagram of the waste recovery mechanism of the present invention;

FIG. 15 is a first feed-through version of the feed assembly and membrane separation mechanism of the present invention;

FIG. 16 is a second piercing pattern of the feed assembly and membrane separation mechanism of the present invention;

FIG. 17 is a first feed-through configuration of the material collection assembly and the laminating mechanism of the present invention;

FIG. 18 is a second form of threading of the material collection assembly and the laminating mechanism of the present invention;

reference numerals:

1001. a first frame; 1002. a second frame; 1001a and a first electric cabinet; 1002a, a second electric cabinet;

200. a supply assembly; 201. a first film releasing roll shaft; 2011. a first drive shaft; 2012. a first coupling; 2013. a first clutch;

300. a film separating mechanism; 301. a second traction roller set; 3011. a second driving wheel shaft; 3012. a second driven axle; 3013. a second driver; 3014. a left connecting plate; 3015. a right connecting plate; 3016. an eccentric wheel; 3017. tensioning the spring; 3018. a handle; 3019. a hand wheel;

302. a second film collecting roll shaft; 3021. a second film receiving driver; 3022. a second film collecting clutch; 3023. a second film collecting coupler; 3024. a second film collecting transmission shaft;

400. a laser processing machine; 401. a substrate; 402. a light path processing mechanism; 403. a processing platform;

500. a waste collecting mechanism; 501. a first traction roller shaft group; 502. a first pair of pressure sensors; 503. a first tension detecting shaft; 504. a second pair of pressure sensors; 505. a second tension detecting shaft; 506. a first film collecting roller shaft;

600. a material receiving assembly; 601. a third film collecting roller shaft; 602. a third pair of pressure sensors; 603. a third tension detection shaft;

701. a first limit component; 702. a second limiting component; 7021. a second limit shaft; 7022. a second right stopper; 7023. a second left limiting block; 703. a third limiting component; 704. a fourth limiting component; 705. a fifth limiting component; 706. a sixth limiting component;

800. a third traction roller shaft group;

900. a film covering mechanism; 901. a fourth traction roller shaft group; 902. a second film releasing roll shaft; 9021. a second drive shaft; 9022. a second coupling; 9023. a second clutch; 903. a fourth pair of pressure sensors; 904. a fourth tension detecting shaft;

j00, rolling; j01, an upper layer film; j02, a middle layer film; j02a, continuous waste materials cut from the middle layer film; j02b, cutting an independent part of the middle layer film; j03 and a lower layer film.

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.

As shown in fig. 1-3, the present invention provides a roll-to-roll controlled laser processing system, which comprises a frame, which is divided into a first frame 1001 and a second frame 1002, and a feeding assembly 200 and a film separating mechanism 300 which are arranged on the first frame 1001, a laser processing machine 400, a waste material receiving mechanism 500 and a material receiving assembly 600 which are arranged on the second frame 1002,

as shown in fig. 4 to 11, the supply assembly 200 is configured to provide a roll material J00, wherein the roll material J00 includes three film structures, i.e., an upper film J01, a middle film J02, and a lower film J03, which are attached to each other;

the feeding assembly 200 comprises a first film releasing roll shaft 201, the first film releasing roll shaft 201 is arranged on the rack, the extending direction of the first film releasing roll shaft 201 is perpendicular to the extending direction of the rack, the first film releasing roll shaft 201 comprises a first transmission shaft 2011, a first coupler 2012 and a first clutch 2013 which are sequentially connected, and the middle part of the coil stock J00 penetrates through the first transmission shaft 2011 to rotate and feed;

when the rotating torque is lower than the braking torque, the first clutch 2013 brakes, and the first transmission shaft 2011 stops rotating to supply materials;

when the rotating torque is higher than the braking torque, the first clutch 2013 releases braking, and the first transmission shaft 2011 continues to rotate for feeding;

the first clutch 2013 is arranged to adjust the tension on the surface of the coil stock J00 during feeding, so that the following conditions are prevented: when the tension applied to the coil J00 in the feeding process is overlarge, the coil J00 is pulled, deformed and broken; when the tension applied to the coil material J00 in the feeding process is too small, the amount of air brought into the coil material J00 is too large, the coil material J00 is easy to axially slide and seriously dislocate on a core roll, and the uncoiled coil material J00 is easy to greatly swing when laser slitting is caused, so that the quality of a slit film is influenced.

The film separating mechanism 300 is arranged at the downstream of the feeding assembly 200 and is used for tearing the upper film J01 of the roll material J00, and conveying the middle film J02 and the lower film J03 after the upper film J01 is torn to the laser processing machine 400, wherein the middle film J02 faces upwards; the film separating mechanism 300 comprises a second traction roller shaft group 301 and a second film collecting roller shaft 302,

the second traction roller shaft group 301 is installed on the first rack 1001, a left connecting plate 3014 and a right connecting plate 3015 are respectively arranged on the left side and the right side of the first rack 1001, the second traction roller shaft group 301 comprises a second driving roller shaft 3011 and a second driven roller shaft 3012, the left end and the right end of the second driving roller shaft 3011 are respectively rotatably connected with the left connecting plate 3014 and the right connecting plate 3015, the second driving roller shaft 3011 is provided with a second driver 3013, power is provided by the second driver 3013, the second driven roller shaft 3012 is abutted to or separated from the second driving roller shaft 3011, the left end and the right end of the second driven roller shaft 3012 are respectively provided with an eccentric wheel 3016, the upper part of the eccentric wheel 3016 is provided with a hand wheel 3019, the hand wheel 3019 is provided with a shaft core, a tensioning spring 3017 is arranged between the shaft core and the eccentric wheel 3016, the eccentric wheel 3016 drives the second driven roller shaft 3012 to compress the second driving roller shaft 3011 under the action of the elastic force of the tensioning spring 3017 to form a pre-tightening force, and the eccentric wheel 3018 is provided with a handle 3018 extending outwards; when the coil stock is threaded, the handle 3018 is pulled, the eccentric wheel 3016 is rotated, the eccentric wheel 3016 rotates to drive the second driven wheel shaft 3012, a gap is formed between the second driven wheel shaft 3011 and the coil stock J00; during adjustment, the hand wheel 3019 is rotated to adjust the pressure of the tensioning spring 3017, and then the pre-tightening force for pressing the second driven wheel shaft 3012 against the second driving wheel shaft 3011 is adjusted.

In the embodiment, the second film collecting roller shaft 302 is arranged above the second traction roller shaft group 301, the second film collecting roller shaft 302 comprises a second film collecting driver 3021, a second film collecting clutch 3022, a second film collecting coupler 3023 and a second film collecting transmission shaft 3024 which are connected in sequence,

after the coil material J00 is conveyed from the feeding assembly 200 to the film separating mechanism 300, the upper film J01 is separated, the upper film J01 of the coil material J00 is guided to the second film collecting roller shaft 302, and the middle film J02 and the lower film J03 of the coil material J00 are conveyed to the laser processing machine 400 by the power provided by the second driving roller shaft 3011; the upper layer film J01 structure of the roll material J00 is torn through the film separating mechanism 300, laser processing post-processing is convenient to carry out, and the rotating torque of the film collecting roller shaft is controlled and input through the clutch so as to achieve a control scheme with stable tension.

The laser processing machine 400 is arranged at the downstream of the film separating mechanism 300, the laser processing machine 400 utilizes laser to cut the middle layer film J02 of the coil stock J00, an independent part is cut from the middle layer film J02, and the rest part is continuous waste; the laser processing machine 400 is provided with a processing platform 403, a processing light path mechanism 402 is arranged above the processing platform 403, and a controller for controlling the processing light path mechanism 402 to work is also arranged; the processing optical path mechanism 402 comprises a laser, an optical path component and a scanning head which are arranged in sequence; the light path component is used for adjusting the focal length of a laser beam and comprises a plurality of concave lenses and/or convex lenses; the laser is emitted from the laser, passes through the optical path component and enters the scanning head, the scanning head changes the direction of the processing laser, the laser is emitted towards the processing platform 403 in a scanning mode, and the middle layer film J02 of the coil stock J00 in the processing platform 403 is cut.

As shown in fig. 12 to 14, the waste collecting mechanism 500 is disposed downstream of the laser processing machine 400, and includes a first drawing roller set 501, at least one pair of pressure sensors, at least one tension detecting shaft, and a first film collecting roller 506, which are sequentially disposed; the waste collecting mechanism 500 receives the coil stock J00 cut by the laser processing machine 400, the pressure sensor is arranged on the frame, the tension detecting shaft is abutted against or connected with the pressure sensor and used for detecting the tension borne by the continuous waste during transmission, and the first film collecting roller shaft 506 is arranged above the tension detecting shaft; continuous waste of the middle-layer film J02 is separated from the lower-layer film J03, and after passing through the first traction roller shaft group 501, the continuous waste bypasses the tension detection shaft and is guided to the first film collecting roller shaft 506 for collecting the continuous waste; the independent part of the lower layer film J03 and the middle layer film J02 adhered to the lower layer film J03 is conveyed to a material receiving assembly 600;

when the tension detecting shaft detects that the tension becomes large, reducing the winding speed of the first film collecting roller shaft 506 of the waste collecting mechanism 500; when the tension detecting shaft detects that the tension becomes smaller, the winding speed of the first film collecting roller shaft 506 of the waste collecting mechanism 500 is increased.

In this embodiment, the waste collecting mechanism 500 is provided with a first drawing roller shaft group 501, a first pair of pressure sensors 502, a first tension detecting shaft 503, a second pair of pressure sensors 504, a second tension detecting shaft 505 and a first film collecting roller shaft 506,

the first pair of pressure sensors 502 are arranged at a position close to the first traction roller shaft group 501, are matched with the first tension detection shaft 503 and are used for detecting the tension applied to the front section of the continuous waste of the film J02 in the stripped coil stock J00;

the second pair of pressure sensors 504 are arranged at a position close to the first film collecting roll shaft 506 and matched with a second tension detection shaft 505 to detect the tension applied to the rear section of the continuous waste of the film J02 in the roll material J00 guided to the first film collecting roll shaft 506; through setting up the tension size that multiunit pressure sensor real-time detection coil stock J00 received, correspond regulation coil stock J00 slew rate, solve among the laser beam machining pay-off process coil stock J00 and pull deformation, fracture scheduling problem even.

In this embodiment, an included angle α is formed between two adjacent sections of the coil stock J00 separated between the first traction roller shaft group 501, the first tension detection shaft 503, the second tension detection shaft 505 and the first film collecting roller shaft 506 with respect to the horizontal direction, where α is greater than 0 ° and less than 90 °, and the included angle α is set so as to form a larger pre-tightening force on the tension detection shaft, improve the sensing accuracy of the pressure sensor, and correspondingly and accurately adjust the rotation speed of the coil stock J00.

In this embodiment, a third traction roller shaft group 800 is further disposed between the waste material collecting mechanism 500 and the laser processing platform 403, and is configured to provide power for conveying a coil material J00 of the laser processing platform 403, and convey the coil material J00 cut by the laser processing platform to a next process, where an encoder is further disposed at one end of a driving roller shaft of the third traction roller shaft group 800, and is configured to obtain an accurate feeding length and a real-time feeding speed, and adjust a rotation rate of the coil material by combining a pressure sensor and a tension detection shaft system disposed on each component.

The receiving assembly 600 is arranged at the tail part of the waste collecting mechanism 500 and is used for collecting the lower layer film J03 of the roll material J00 and the independent part which is adhered to the lower layer film J03 and cut from the middle layer film J02;

in this embodiment, the material receiving assembly 600 includes a third film receiving roller 601, a third pair of pressure sensors 602 and a third tension detecting roller 603,

the third pair of pressure sensors 602 are disposed near the third film collecting roller 601, and are matched with the third tension detection shaft 603, so as to detect the tension applied to the roll material J00 guided to the third film collecting roller.

In a preferred embodiment, the film covering device 900 is further included, and the film covering device 900 is disposed between the waste collecting mechanism 500 and the material collecting assembly 600, and is used for adhering and covering a protective film on the upper end face of the independent portion of the lower layer film J03 and the middle layer film J02 adhered to the lower layer film J03 of the roll material J00. The film laminating mechanism 900 comprises a fourth traction roller shaft group 901, a fourth pair of pressure sensors 903, a fourth tension detection shaft 904 and a second film releasing roller shaft 902,

the fourth traction roller shaft group 901 is arranged on the frame, the second film releasing roller shaft 902 is arranged above the fourth traction roller shaft group 901,

the second film releasing roll shaft 902 comprises a second transmission shaft 9021, a second coupler 9022 and a second clutch 9023 which are sequentially connected, the protective film passes through the second transmission shaft 9021 in a coiled mode, the protective film is fed in a rotating mode,

when the rotating torque is lower than the braking torque, the second clutch 9023 brakes, and the second transmission shaft 9021 stops rotating to feed;

when the rotating torque is higher than the braking torque, the second clutch 9023 releases braking, and the second transmission shaft 9021 continues to rotate to feed materials;

the fourth pair of pressure sensors 903 are disposed near the fourth traction roller set 901, and are used in cooperation with a fourth tension detection shaft 904 to detect tension applied to the coil guided to the fourth traction roller set 901.

Through setting up second clutch 9023 and being used for adjusting the size of the tensile force that the surface receives during the protection film feed prevents: when the tension applied to the protective film in the feeding process is overlarge, the protective film is pulled, deformed and broken; when the tension applied to the protective film in the feeding process is too small, the air quantity brought into the protective film is too much, and the protective film is easy to axially slide and seriously dislocate on a core roll, so that the protective film greatly swings when being discharged, and the quality of the coated film is influenced.

In a preferred embodiment, a limiting assembly is respectively arranged between two adjacent sections of coil stock J00 separated between the feeding assembly 200, the film separating mechanism 300, the waste material receiving mechanism 500 and the material receiving assembly 600, in this embodiment, the limiting assembly is arranged on the rack and comprises at least one limiting shaft and a pair of limiting blocks, the limiting blocks are slidably arranged on the same limiting shaft, the spacing between the limiting blocks is adjusted along the opposite or reverse directions of the limiting shafts, when the coil stock J00 is in a flat and flat natural state, two sides of the coil stock J00 are abutted to the inner sides of the limiting blocks in the opposite directions, as shown in fig. 9, the diagram is a second limiting assembly 702 which comprises a second limiting shaft 7021, a second left limiting block 7023 and a second right limiting block 7022 are arranged on the second limiting shaft 7021, and the second left and right limiting blocks are slidably connected with the second limiting shaft 7021 and are used for limiting the coil stock J00, so as to remove artificial limiting errors and eliminate safety problems possibly caused by manpower, and improve the automatic efficiency of laser processing.

In the invention, the automatic feeding production of laser processing is realized by arranging a plurality of groups of feeding and film collecting roll shafts, so that the production efficiency and stability of laser processing are improved; through setting up pressure sensor real-time detection coil stock J00 and receiving the tension size, correspond regulation coil stock J00 slew rate, solve among the laser beam machining pay-off process coil stock J00 and pull deformation, fracture scheduling problem even, get rid of numerous and diverse tension regulation operation, simplify the production regulation, improve production efficiency.

With the above-mentioned solution of the present invention, in a specific application, as shown in fig. 15 and 16, the feeding assembly and the film separating mechanism of the present invention correspondingly select different penetrating forms of the roll material according to the different material of the roll material, and two penetrating forms are preferred here:

the first material penetrating form of the feeding assembly and the membrane separating mechanism comprises the following steps: the coil stock is output from the first film releasing roll shaft 201 of the feeding assembly 200, is guided to the film separating mechanism 300 through the limiting of the first limiting assembly 701, is guided through the limiting of the second limiting assembly 702, passes through a gap between the second driving wheel shaft 3011 and the second driven wheel shaft 3012 of the film separating mechanism 300, is separated into an upper film J01, and is guided to the second film collecting roll shaft 302 to complete the winding; the middle layer film J02 and the lower layer film J03 are continuously conveyed to the processing platform 403;

and a second material penetrating form of the feeding assembly and the membrane separating mechanism is as follows: the coil stock is output from a first film releasing roller shaft 201 of the feeding assembly 200, is limited and guided to the film separating mechanism 300 through a first limiting assembly 701, is separated to form an upper film J01 after passing through a second limiting assembly 702, and the upper film J01 is guided to a second film collecting roller shaft 302 to complete winding; the middle layer film J02 and the lower layer film J03 continuously pass through a gap between a second driving wheel shaft 3011 and a second driven wheel shaft 3012 of the film separating mechanism 300, and power is transmitted to the processing platform 403;

after laser cutting processing of the processing platform, the cut coil stock is conveyed to a waste collecting mechanism 500, as shown in fig. 14, continuous waste of the middle layer film J02 is separated from the lower layer film J03, and after passing through the first traction roller shaft group 501, the continuous waste bypasses the tension detection shaft and is guided to a first film collecting roller shaft 506 for collecting the continuous waste; the independent portions of the lower layer film J03 and the intermediate layer film J02 adhered thereto are conveyed to the next process;

as shown in fig. 17 and 18, the receiving assembly and the laminating mechanism of the present invention select different web threading forms according to different web materials, and two threading forms are preferred here:

receive the first material form of wearing of material subassembly and tectorial membrane mechanism: the independent part of the lower layer film J03 and the middle layer film J02 adhered thereto bypasses the fourth tension detection shaft 904, passes through the fourth traction roller shaft group 901, passes through the third tension detection shaft 603, and is conveyed to the third film collecting roller shaft 601 to complete the winding process, and meanwhile, the protective film of the film covering mechanism 900 is unwound from the second film unwinding roller shaft 902 and is directly guided to the third film collecting roller shaft 601 to complete the winding process;

receive the second of material subassembly and tectorial membrane mechanism and wear the material form: the independent part of the lower layer film J03 and the middle layer film J02 adhered to the lower layer film J03 bypasses a fourth tension detection shaft 904, the protective film of the film covering mechanism 900 is conveyed to the fourth tension detection shaft 904 from a second film releasing roll shaft 902, is attached to a coiled material, synchronously passes through a fourth traction roll shaft group 901, passes through a third tension detection shaft 603 and is conveyed to a third film collecting roll shaft 601 to complete the winding process;

it should be noted that, the drive of the invention is a rotating motor, the electric control box control part of the roll-to-roll laser processing feeding platform mainly comprises two parts of speed control and tension detection, when the roll material is received, along with the increase of the diameter of the roll material, if the speed of the receiving roll shaft is increased, the rolling tension is inevitably increased, the roll material is easy to be loose inside and tight outside, the inner layer film is crumpled by the outer layer film, the cutting quality is affected, therefore, when the roll material is received and released, the speed regulation control needs to be performed on the receiving and releasing roll shaft: according to the film collecting device, a control scheme that a pressure sensor is arranged and matched with a tension detection shaft to detect tension is adopted, the pressure sensor is arranged below the tension detection shaft, and when the tension detection shaft detects that the tension is increased, an electric cabinet controls and reduces the winding speed of a film collecting roll shaft; when the tension detection shaft detects that tension becomes small, the electric cabinet control improves the rolling speed of receiving the membrane roller, through setting up pressure sensor real-time detection coil stock and receiving the tension size, corresponds regulation coil stock slew rate, solves among the laser beam machining pay-off process coil stock and drags deformation, fracture scheduling problem even.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (8)

1. A roll-to-roll controlled laser processing system comprises a frame, and is characterized by further comprising a feeding component, a film separating mechanism, a laser processing machine, a waste material receiving mechanism and a material receiving component which are arranged on the frame in sequence,

the feeding assembly is used for providing a roll material, and the roll material comprises an upper layer, a middle layer and a lower layer of film structures which are mutually attached;

the film separating mechanism is arranged at the downstream of the feeding assembly and used for tearing the upper film of the coil stock, and the middle film and the lower film after the upper film is torn are conveyed to a laser processing machine, and the middle film faces upwards;

the laser processing machine is arranged at the downstream of the film separating mechanism, the laser processing machine utilizes laser to cut the middle layer film of the coil stock, an independent part is cut from the middle layer film, and the rest part is continuous easy-to-break waste;

the waste collecting mechanism is arranged at the downstream of the laser processing machine and is provided with a first traction roller shaft group, a first pair of pressure sensors, a first tension detection shaft, a second pair of pressure sensors, a second tension detection shaft and a first film collecting roller shaft;

the receiving assembly is arranged at the tail part of the waste collecting mechanism and is used for collecting the lower layer film of the roll material and the independent part which is adhered to the lower layer film and cut from the middle layer film;

the laser processing machine is provided with a processing platform, a processing light path mechanism is arranged above the processing platform, and a controller for controlling the processing light path mechanism to work is also arranged; the processing light path mechanism comprises a laser, a light path component and a scanning head which are arranged in sequence; the light path component is used for adjusting the focal length of a laser beam and comprises a plurality of concave lenses and/or convex lenses; the laser is emitted from the laser, passes through the optical path component and enters the scanning head, the scanning head changes the direction of the processing laser, the laser is emitted towards the processing platform in a scanning mode, and the middle layer film of the coil stock in the processing platform is cut;

the waste collecting mechanism receives a coil stock cut by a laser processing machine, the pressure sensor is arranged on the frame, the tension detecting shaft is abutted against or connected with the pressure sensor and used for detecting the tension borne by the continuous waste material during transmission, and the first film collecting roller shaft is arranged above the tension detecting shaft; separating the continuous waste material of the middle-layer film from the lower-layer film, and guiding the continuous waste material to a first film collecting roller shaft after passing through the first traction roller shaft group and bypassing the tension detection shaft for collecting the continuous waste material; the lower layer film and the independent part of the middle layer film adhered to the lower layer film are conveyed to a material receiving assembly;

when the tension detecting shaft detects that the tension is increased, reducing the winding speed of a first film collecting roller shaft of the waste collecting mechanism; when the tension detecting shaft detects that the tension becomes small, the winding speed of a first film collecting roller shaft of the waste collecting mechanism is increased;

the first pair of pressure sensors are arranged at a position close to the first traction roller shaft group, are matched with the first tension detection shaft and are used for detecting the tension applied to the front section of the continuous waste of the film in the stripped coil stock;

the second pair of pressure sensors are arranged at the position close to the first film collecting roller shaft, are matched with the second tension detection shaft and are used for detecting the tension applied to the rear section of the continuous waste of the film in the coil stock guided to the first film collecting roller shaft; an included angle alpha is formed between two adjacent sections of coil materials separated among the first traction roller shaft group, the first tension detection shaft, the second tension detection shaft and the first film collecting roller shaft relative to the horizontal direction, and alpha is more than 0 degree and less than 90 degrees.

2. The roll-to-roll controlled laser processing system according to claim 1, wherein a limiting component is respectively arranged between two adjacent sections of roll materials separated between the feeding component, the film separating mechanism, the waste material receiving mechanism and the material receiving component, the limiting component is arranged on the rack and comprises at least one limiting shaft and a pair of limiting blocks, the pair of limiting blocks are arranged on the same limiting shaft in a sliding manner, the spacing of the pair of limiting blocks is adjusted along the limiting shaft in the opposite direction or the opposite direction, and two sides of the roll materials are abutted against the inner sides of the pair of limiting blocks in the opposite direction when the roll materials are in a flat natural state.

3. The roll-to-roll controlled laser processing system according to claim 1 or 2, wherein the feeding assembly comprises a first film releasing roller shaft, the first film releasing roller shaft is arranged on the rack, the extending direction of the first film releasing roller shaft is perpendicular to the extending direction of the rack, the first film releasing roller shaft comprises a first transmission shaft, a first coupler and a first clutch which are sequentially connected, and the middle part of the roll material passes through the first transmission shaft to rotate and feed;

when the rotating torque is lower than the braking torque, the first clutch brakes, and the first transmission shaft stops rotating to feed;

when the rotating torque is higher than the braking torque, the first clutch releases braking, and the first transmission shaft continues to rotate for feeding.

4. The roll-to-roll controlled laser processing system according to claim 1 or 2, wherein the film separating mechanism comprises a second traction roller set, a second film collecting roller,

the second traction roller shaft group comprises a second driving wheel shaft and a second driven wheel shaft, a second driver is arranged on the second driving wheel shaft, power is provided by the second driver, the second driven wheel shaft is abutted to or separated from the second driving wheel shaft, the second film collecting roller shaft is arranged above the second traction roller shaft group, the coiled material is conveyed to the film separating mechanism from the feeding assembly, then the upper film is separated and guided to the second film collecting roller shaft, and the middle film and the lower film of the coiled material are conveyed to the laser processing platform by the power provided by the second driving wheel shaft.

5. The roll-to-roll controlled laser processing system according to claim 4, wherein a third traction roller set is further disposed between the waste material collecting mechanism and the laser processing platform, and is used for providing power for roll material transportation of the laser processing platform, and dynamically transporting the roll material cut by the laser processing platform to a next process, and an encoder is further disposed at one end of a driving roller shaft of the third traction roller set, so as to obtain an accurate feeding length and a real-time feeding speed.

6. The roll-to-roll controlled laser processing system of claim 5, wherein the take-up assembly comprises a third take-up film roll shaft, a third pair of pressure sensors, and a third tension detection shaft,

the third pair of pressure sensors are arranged at positions close to the third film collecting roller shaft and matched with the third tension detection shaft for detecting the tension applied to the coil guided to the third film collecting roller shaft.

7. The roll-to-roll controlled laser processing system according to claim 1, further comprising a film covering mechanism disposed between the material receiving and discarding mechanism and the material receiving assembly for covering a protective film on the upper end surface of the independent portion of the lower film and the middle film adhered thereto of the roll.

8. The roll-to-roll controlled laser processing system according to claim 7, wherein the film covering mechanism comprises a fourth traction roller set, a fourth pair of pressure sensors, a fourth tension detection shaft and a second film releasing roller,

the fourth traction roller shaft group is arranged on the frame, the second film releasing roller shaft is arranged above the fourth traction roller shaft group,

the second film-releasing roll shaft comprises a second transmission shaft, a second coupling and a second clutch which are sequentially connected, the protective film roll passes through the second transmission shaft and rotates to feed materials,

when the rotating torque is lower than the braking torque, the second clutch brakes, and the second transmission shaft stops rotating to supply materials;

when the rotating torque is higher than the braking torque, the second clutch releases braking, and the second transmission shaft continues to rotate for feeding;

the fourth pair of pressure sensors are arranged at the position close to the fourth traction roller shaft group and matched with the fourth tension detection shaft for detecting the tension applied to the coiled material guided to the fourth traction roller shaft group.

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