CN113732534B - Laser perforating device for preventing thermal shrinkage deformation of reflection paper - Google Patents

Laser perforating device for preventing thermal shrinkage deformation of reflection paper Download PDF

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Publication number
CN113732534B
CN113732534B CN202110889446.4A CN202110889446A CN113732534B CN 113732534 B CN113732534 B CN 113732534B CN 202110889446 A CN202110889446 A CN 202110889446A CN 113732534 B CN113732534 B CN 113732534B
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China
Prior art keywords
platform
thermal shrinkage
shrinkage deformation
preventing thermal
cylinder
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CN202110889446.4A
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Chinese (zh)
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CN113732534A (en
Inventor
周志平
彭福明
孙环宇
柳庆宏
何海君
金宇吉
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Kunshan Jinlin Photoelectric Material Co ltd
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Kunshan Jinlin Photoelectric Material Co ltd
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/38Removing material by boring or cutting
    • B23K26/382Removing material by boring or cutting by boring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/40Removing material taking account of the properties of the material involved
    • B23K26/402Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • B23K26/702Auxiliary equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0408Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses a laser perforating device for preventing thermal shrinkage deformation of reflection paper, which belongs to the technical field of laser processing devices and comprises a platform, an outer cover, a scanning galvanometer, a workbench, a shielding plate, a driving roller and a driven roller, wherein the outer cover is hinged to the platform, the scanning galvanometer is fixedly arranged at the top in the outer cover, a plurality of through holes are formed in the shielding plate, the workbench and the shielding plate are both positioned in the outer cover, and the shielding plate is positioned above the workbench; according to the invention, the reflection paper is extruded and fixed through the lifting type shielding plate and the lifting type workbench, the deviation corrector is adjusted to enable the reflection paper to be in a horizontal state, so that uniform tension is obtained on the surface of the reflection paper, laser is acted on the surface of the reflection paper through the through hole, the surface of the reflection paper is not suddenly contracted, thereby avoiding the generation of wrinkles of the reflection paper, greatly improving the processing yield and ensuring that the reflection paper has good use effect.

Description

Laser perforating device for preventing thermal shrinkage deformation of reflection paper
Technical Field
The invention belongs to the technical field of laser processing devices, and particularly relates to a laser perforating device for preventing thermal shrinkage deformation of reflection paper.
Background
The reflective paper is an optical film made of various materials: PET PP PVC, etc., the reflecting paper at present mainly refers to a PET reflecting film used on an LED lamp and having the function of mainly improving the brightness and lumen of the lamp, but the reflecting paper has a certain heat shrinkage rate and is easy to deform when being subjected to high temperature.
At present, when the reflecting paper is subjected to laser perforating processing, the surrounding temperature of the perforating is high, so that the reflecting paper is deformed, and the deformation is diffused from the perforating to the periphery, so that permanent folds are formed on the surface of the reflecting paper after the temperature is reduced, and the processing of the reflecting paper is bad, so that the subsequent use is influenced.
Disclosure of Invention
The invention aims at: in order to solve the problems of surface wrinkles and low processing yield of the reflecting paper caused by the self heat shrinkage of the reflecting paper when the reflecting paper is subjected to laser perforation processing, the laser perforation processing device for preventing the heat shrinkage deformation of the reflecting paper is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a prevent laser trompil processingequipment of reflection paper thermal contraction deformation, its includes platform, dustcoat, scanning galvanometer ware, workstation, cover plate, drive roll and driven voller, the dustcoat articulates on the platform, scanning galvanometer ware fixed mounting in the top in the dustcoat, set up a plurality of through-hole on the cover plate, the workstation with the cover plate all is located in the dustcoat, just the cover plate is located the top of workstation, the cover plate is connected through two sets of first elevating system the inner wall of dustcoat, the workstation is connected through second elevating system the top of platform, the drive roll with the driven voller all install in on the platform, just the drive roll with the driven voller is located respectively the opposite both sides of dustcoat.
As a further description of the above technical solution:
the first lifting mechanism comprises a first air cylinder and a fixed plate, wherein the first air cylinder is fixedly connected to the inner wall of the outer cover, the first air cylinder is arranged in the vertical direction, the fixed plate is fixedly installed on the lower end part of the first air cylinder, and the mask plate is clamped on the fixed plate.
As a further description of the above technical solution:
the second lifting mechanism comprises a second air cylinder and at least two guide posts, the second air cylinder is fixedly connected to the top of the platform, the workbench is mounted on the second air cylinder, one end of each guide post is fixedly connected to the workbench, and the other end of each guide post slides in the platform.
As a further description of the above technical solution:
the bottom surface of the shielding plate and the top surface of the workbench are both provided with dislocation preventing layers.
As a further description of the above technical solution:
the side wall of the fixed plate is provided with a clamping groove, and the end part of the shielding plate is clamped in the clamping groove.
As a further description of the above technical solution:
and the outer cover is provided with an air flow exchange hole.
As a further description of the above technical solution:
and the side wall of the outer cover is provided with an empty avoiding groove, and the width of the empty avoiding groove is not less than the length of the driven roller.
As a further description of the above technical solution:
two groups of deviation correcting devices are arranged on the platform, one group of deviation correcting devices are located between the driving roller and the clearance groove, and the other group of deviation correcting devices are located between the driven roller and the clearance groove.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the reflection paper is extruded and fixed through the lifting type shielding plate and the lifting type workbench, the deviation corrector is adjusted to enable the reflection paper to be in a horizontal state, so that uniform tension is obtained on the surface of the reflection paper, laser is acted on the surface of the reflection paper through the through hole, the surface of the reflection paper is not suddenly contracted, thereby avoiding the generation of wrinkles of the reflection paper, greatly improving the processing yield and ensuring that the reflection paper has good use effect.
2. In the invention, the reflective paper is wound on the driving roller and the driven roller and enters the device in a belt-shaped mode, so that the reflective paper is convenient for continuous processing, and the processing efficiency is high.
3. According to the invention, through the design of the outer cover capable of being hinged and opened, the reflective paper is convenient to feed and correct, and meanwhile, the mask plate is convenient to replace, so that the perforating processing requirements of different reflective papers are used, and the overhaul and maintenance of the inside of the device are facilitated.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a laser perforation processing apparatus for preventing thermal shrinkage deformation of reflection paper.
Fig. 2 is a schematic diagram showing an internal structure of a laser perforation device for preventing thermal shrinkage deformation of reflection paper.
Fig. 3 is a partial enlarged view of a portion a in fig. 2.
Fig. 4 is a reference view showing a state of use of a laser drilling apparatus for preventing thermal shrinkage deformation of reflection paper.
Legend description:
1. a platform; 2. an outer cover; 3. scanning a galvanometer; 4. a work table; 5. a mask plate; 6. a drive roll; 7. driven roller; 8. a through hole; 9. a first lifting mechanism; 91. a first cylinder; 92. a fixing plate; 10. a second lifting mechanism; 101. a second cylinder; 102. a guide post; 11. an anti-dislocation layer; 12. a clamping groove; 13. an air flow exchanging hole; 14. an empty-avoiding groove; 15. and a deviation corrector.
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.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a prevent laser trompil processingequipment of reflection paper thermal contraction deformation, includes platform 1, dustcoat 2, scanning galvanometer 3, workstation 4, shade board 5, drive roll 6 and driven voller 7, dustcoat 2 articulates on platform 1, scanning galvanometer 3 fixed mounting is in the top in dustcoat 2, a plurality of through-hole 8 have been seted up on shade board 5, workstation 4 with shade board 5 all are located in dustcoat 2, just shade board 5 is located the top of workstation 4, shade board 5 passes through two sets of first elevating system 9 and connects the inner wall of dustcoat 2, workstation 4 passes through second elevating system 10 and connects the top of platform 1, drive roll 6 with driven voller 7 all install on platform 1, and drive roll 6 with driven voller 7 are located respectively the opposite both sides of dustcoat 2;
the first lifting mechanism 9 comprises a first cylinder 91 and a fixed plate 92, the first cylinder 91 is fixedly connected to the inner wall of the outer cover 2, the first cylinder 91 is arranged along the vertical direction, the fixed plate 92 is fixedly installed on the lower end part of the first cylinder 91, the mask plate 5 is clamped on the fixed plate 92, the mask plate 5 clamped on the fixed plate 92 is driven to move downwards by extension of the first cylinder 91, so that the mask plate 5 and the workbench 4 press the reflective paper, thermal shrinkage deformation of the reflective paper in the laser processing process is avoided, and the processing yield of the reflective paper is improved;
the second lifting mechanism 10 comprises a second air cylinder 101 and at least two guide posts 102, the second air cylinder 101 is fixedly connected to the top of the platform 1, the workbench 4 is installed on the second air cylinder 101, one end of each guide post 102 is fixedly connected to the workbench 4, the other end of each guide post 102 slides in the platform 1, the second air cylinder 101 ascends to drive the workbench 4 to move upwards, so that the workbench 4 and the mask plate 5 press the reflective paper, thermal shrinkage deformation of the reflective paper in the laser processing process is avoided, the processing yield of the reflective paper is improved, and the guide posts 102 play a role in stabilizing and guiding the movement of the workbench 4;
the bottom surface of the mask plate 5 and the top surface of the workbench 4 are both provided with the dislocation preventing layer 11, the dislocation preventing layer 11 firmly extrudes the reflecting paper, the reflecting paper is prevented from dislocation under the clamping of the mask plate 5 and the workbench 4, and the laser processing precision of the reflecting paper is improved;
the side wall of the fixed plate 92 is provided with a clamping groove 12, and the end part of the shielding plate 5 is clamped in the clamping groove 12, so that the shielding plate 5 is convenient to replace, and the processing of holes with different specifications on reflective paper is adapted;
the outer cover 2 is provided with an air flow exchange hole 13, so that the smoke dust processed by laser is conveniently discharged through the air flow exchange hole 13, and the temperature of a processing area is also conveniently and rapidly reduced through the air flow exchange hole 13;
the side wall of the outer cover 2 is provided with an empty avoiding groove 14, the width of the empty avoiding groove 14 is not smaller than the length of the driven roller 7, and the empty avoiding groove 14 is enough movable space for the reflective paper wound on the driving roller 6 and the driven roller 7 to pass through so that the winding of the reflective paper is not interfered;
two groups of deviation correcting devices 15 are arranged on the platform 1, one group of deviation correcting devices 15 are located between the driving roller 6 and the clearance groove 14, the other group of deviation correcting devices 15 are located between the driven roller 7 and the clearance groove 14, the deviation correcting devices 15 support against the reflective paper, the reflective paper in the outer cover 2 is enabled to be arranged in a parallel state, when the reflective paper is flatly pressed by the workbench 4 and the mask plate 5, the surface tension of the reflective paper is even, and therefore larger deformation of the reflective paper due to larger single-point tension during laser processing is avoided.
Working principle: firstly, the outer cover 2 is hinged and opened along the platform 1, the mask plate 5 provided with the dislocation preventing layer 11 is clamped in the clamping groove 12 on the fixed plate 92, the reflective paper roll is arranged on the driven roller 7, the end part of the reflective paper is wound on the driving roller 6, the deviation corrector 15 is adjusted to enable the reflective paper above the workbench 4 to be in a horizontal state, secondly, the outer cover 2 is hinged and closed along the platform 1, the outer cover 2 covers the working space above the platform 1, the reflective paper passes through the void-avoiding groove 14, then the first air cylinder 91 descends and drives the mask plate 5 to descend, the second cylinder 101 rises and drives the workbench 4 to rise, at this time, the guide post 102 plays a role in guiding and stabilizing the movement of the workbench 4, the anti-dislocation layer 11 on the shielding plate 5 and the anti-dislocation layer 11 on the workbench 4 are mutually extruded, the reflecting paper is firmly fixed, the surface stress of the reflecting paper is uniform at this time, finally, the scanning galvanometer 3 works, the laser beam passes through the through hole 8 to act on the reflecting paper and process the reflecting paper, the other positions of the reflecting paper are prevented from being accidentally injured by the laser beam when the other functions of the shielding plate 5 are performed, and the dust removing equipment communicated with the air flow exchanging hole 13 absorbs the processing smoke dust in the outer cover 2.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (7)

1. A laser perforating device for preventing thermal shrinkage deformation of reflection paper is characterized in that: including platform (1), dustcoat (2), scanning galvanometer ware (3), workstation (4), mask board (5), driving roll (6) and driven voller (7), dustcoat (2) are articulated on platform (1), scanning galvanometer ware (3) fixed mounting in top in dustcoat (2), a plurality of through-hole (8) have been seted up on mask board (5), workstation (4) with mask board (5) all are located in dustcoat (2), just mask board (5) are located the top of workstation (4), mask board (5) are connected through two sets of first elevating system (9) the inner wall of dustcoat (2), workstation (4) are connected through second elevating system (10) the top of platform (1), driving roll (6) with driven voller (7) all install in on platform (1), just driving roll (6) with driven voller (7) are located respectively on top surface (4) of workstation (2) and top surface (4) are located respectively.
2. The laser perforation device for preventing thermal shrinkage deformation of reflective paper according to claim 1, wherein the first lifting mechanism (9) comprises a first cylinder (91) and a fixed plate (92), the first cylinder (91) is fixedly connected to the inner wall of the outer cover (2), the first cylinder (91) is arranged along the vertical direction, the fixed plate (92) is fixedly installed on the lower end part of the first cylinder (91), and the mask plate (5) is clamped on the fixed plate (92).
3. The laser perforation device for preventing thermal shrinkage deformation of reflective paper according to claim 1, wherein the second lifting mechanism (10) comprises a second cylinder (101) and at least two guide posts (102), the second cylinder (101) is fixedly connected to the top of the platform (1), the workbench (4) is mounted on the second cylinder (101), one end of the guide post (102) is fixedly connected to the workbench (4), and the other end of the guide post (102) slides in the platform (1).
4. The laser perforation device for preventing thermal shrinkage deformation of reflective paper according to claim 2, wherein a clamping groove (12) is formed in the side wall of the fixing plate (92), and the end portion of the shielding plate (5) is clamped in the clamping groove (12).
5. A laser perforation device for preventing thermal shrinkage deformation of reflecting paper according to claim 1, wherein the outer cover (2) is provided with an air flow exchanging hole (13).
6. The laser perforation device for preventing thermal shrinkage deformation of reflective paper according to claim 1, wherein a clearance groove (14) is formed in the side wall of the outer cover (2), and the width of the clearance groove (14) is not smaller than the length of the driven roller (7).
7. The laser perforation processing device for preventing thermal shrinkage deformation of reflection paper according to claim 6, wherein two groups of deviation correcting devices (15) are arranged on the platform (1), one group of deviation correcting devices (15) is located between the driving roller (6) and the void-avoiding groove (14), and the other group of deviation correcting devices (15) is located between the driven roller (7) and the void-avoiding groove (14).
CN202110889446.4A 2021-08-03 2021-08-03 Laser perforating device for preventing thermal shrinkage deformation of reflection paper Active CN113732534B (en)

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CN202110889446.4A CN113732534B (en) 2021-08-03 2021-08-03 Laser perforating device for preventing thermal shrinkage deformation of reflection paper

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CN113732534B true CN113732534B (en) 2023-08-15

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6365871B1 (en) * 1997-09-03 2002-04-02 Oxford Lasers Limited Laser-drilling
CN201686720U (en) * 2010-05-01 2010-12-29 安徽米特吉激光科技有限公司 Protective light blocking device for laser alloying
CN203577160U (en) * 2013-12-06 2014-05-07 北华大学 Alma laser baffle plate
CN210147238U (en) * 2019-06-17 2020-03-17 力维兴电子(深圳)有限公司 Laser wire stripper with protection function
CN211558784U (en) * 2019-11-20 2020-09-25 红云红河烟草(集团)有限责任公司 Online laser drilling device for cigarette lighting end roll paper
CN211727965U (en) * 2019-12-11 2020-10-23 深圳市荣兴精密激光技术有限公司 High-precision and high-efficiency laser drilling equipment
CN211769245U (en) * 2020-03-20 2020-10-27 沧州大元电子有限公司 Ink jet numbering machine for package printing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6365871B1 (en) * 1997-09-03 2002-04-02 Oxford Lasers Limited Laser-drilling
CN201686720U (en) * 2010-05-01 2010-12-29 安徽米特吉激光科技有限公司 Protective light blocking device for laser alloying
CN203577160U (en) * 2013-12-06 2014-05-07 北华大学 Alma laser baffle plate
CN210147238U (en) * 2019-06-17 2020-03-17 力维兴电子(深圳)有限公司 Laser wire stripper with protection function
CN211558784U (en) * 2019-11-20 2020-09-25 红云红河烟草(集团)有限责任公司 Online laser drilling device for cigarette lighting end roll paper
CN211727965U (en) * 2019-12-11 2020-10-23 深圳市荣兴精密激光技术有限公司 High-precision and high-efficiency laser drilling equipment
CN211769245U (en) * 2020-03-20 2020-10-27 沧州大元电子有限公司 Ink jet numbering machine for package printing

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