CN112170385B - Laser cleaning device and method for sealing and glue removing of composite material hot-pressing tool - Google Patents
Laser cleaning device and method for sealing and glue removing of composite material hot-pressing tool Download PDFInfo
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- CN112170385B CN112170385B CN202010895370.1A CN202010895370A CN112170385B CN 112170385 B CN112170385 B CN 112170385B CN 202010895370 A CN202010895370 A CN 202010895370A CN 112170385 B CN112170385 B CN 112170385B
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- laser
- scraper
- laser head
- fixing plate
- workpiece
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- 238000004140 cleaning Methods 0.000 title claims abstract description 32
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 238000007731 hot pressing Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000003292 glue Substances 0.000 title claims description 18
- 238000007789 sealing Methods 0.000 title abstract description 7
- 239000000428 dust Substances 0.000 claims abstract description 33
- 239000000835 fiber Substances 0.000 claims description 13
- 210000000078 claw Anatomy 0.000 claims 1
- 239000000565 sealant Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 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
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laser Beam Processing (AREA)
- Cleaning In General (AREA)
Abstract
本发明公开了一种用于复合材料热压工装封口除胶的激光清洗装置及方法，包括六自由度机械手，激光系统，吸尘系统，刮刀装置，激光头，由计算机集中控制。激光系统发射激光，通过反射镜进入激光头照射在待加工工件表面；吸尘系统与刮刀装置通过固定夹具装配在激光头两侧，实现与激光头同向移动；激光头通过六自由度机械手控制；吸尘系统包括吸尘装置和集尘箱；刮刀装置包括刮刀、弹簧、压力表、伸缩支架，伸缩支架上下移动以调节刮刀在工件表面的接触压力。本发明通过刮刀预处理将工件表面残留密封胶刮匀并减薄，以提高激光清洗的质量和效率，自动化程度高；刮刀压力通过弹簧变形和伸缩支架调整，避免刮刀对工件表面造成损伤。
The invention discloses a laser cleaning device and method for degumming the sealing of composite material hot-pressing tooling. The laser system emits laser light, which enters the laser head through the reflector and irradiates the surface of the workpiece to be processed; the dust suction system and the scraper device are assembled on both sides of the laser head through a fixed fixture, so as to move in the same direction as the laser head; the laser head is controlled by a six-degree-of-freedom manipulator ; The vacuum system includes a vacuum device and a dust box; the scraper device includes a scraper, a spring, a pressure gauge, and a telescopic bracket, and the telescopic bracket moves up and down to adjust the contact pressure of the scraper on the surface of the workpiece. The invention scrapes and thins the residual sealant on the workpiece surface through the scraper pretreatment, so as to improve the quality and efficiency of laser cleaning, and has a high degree of automation;
Description
Technical Field
The invention relates to the field of laser cleaning equipment, in particular to a laser cleaning device and a laser cleaning method for removing glue on a seal of a composite material hot-pressing tool.
Background
In recent years, with the progress of manufacturing technology, weight reduction and high strength have become major trends of carrier equipment. Compared with the traditional metal and the alloy thereof, the fiber composite material has the characteristics of high specific strength, high specific modulus, good fatigue resistance, corrosion resistance and the like, and is widely applied to the fields of aerospace, automobiles and the like.
However, conventional forming processes are not all suitable for continuous fiber reinforced composites. The fiber composite material is mainly formed by hot-press molding, resin injection molding and other processes, wherein the hot-press molding is most widely applied. The hot press molding of the composite part made of the resin-based composite material needs to stick a sealing rubber strip and vacuumize, and the sealant can remain on the surface of the tool after curing. At present, sand paper or a scraper blade is needed to be manually adopted to remove residual sealant, the efficiency is low, the surface of the tool is easy to damage, and the repeated use of the tool is influenced.
Laser cleaning is used as a non-contact cleaning technology, pollutants on the surface of a material are removed by utilizing the directionality of laser and high-energy pulse laser beams, and the cleaning agent has the characteristics of no grinding, no thermal effect, suitability for objects made of various materials and the like, and is a safe, environment-friendly, effective and reliable cleaning mode. However, when removing glue on the surface of the composite material hot-pressing tool, the glue removing effect is poor due to uneven thickness and laser cleaning, and a worker is required to manually and uniformly shovel the glue so as to ensure the cleaning quality of the laser to the cleaning surface, so that the efficiency is low.
Disclosure of Invention
Aiming at the industrial problem that the residual sealant cannot be efficiently cleaned by conventional laser cleaning, the invention provides the laser cleaning device and the method which are easy to realize and have good effect and are used for sealing and removing the sealant of the composite material hot-pressing tool. The device and the method can greatly improve the quality and the efficiency of laser cleaning and have high flexibility.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a laser belt cleaning device that is used for combined material hot pressing frock to seal and removes glue, includes laser head and six degrees of freedom manipulators, the laser head is installed on the six degrees of freedom manipulators, near laser head installs the scraper device.
In the scheme, a dust suction device is installed near the laser head and is connected with a pipeline of the dust collection box.
In the scheme, the six-degree-of-freedom manipulator is provided with the fixing clamp, and the laser head, the scraper device and the dust suction device are all arranged on the fixing clamp.
In the above scheme, the scraper device includes measuring platform, the scraper is installed to the measuring platform tip, the scraper knife face with the laser head direction of advance is certain angle, the manometer is installed to the measuring platform below, the measuring platform top is provided with fixing panel, measuring platform and fixing panel fixed mounting are on the support column simultaneously, the support column is fixed on the mounting fixture, measuring platform with install telescopic bracket and spring between the fixing panel, the spring housing is in the outside of support column.
In the above scheme, the telescopic bracket is connected with the fixed panel and the measuring platform through the second screw.
In the above scheme, mounting fixture includes first fixed plate and second fixed plate, the laser head is located between first fixed plate and the second fixed plate, use bolt fixed connection between first fixed plate and the second fixed plate, install first three-jaw chuck on the first fixed plate, install second three-jaw chuck on the second fixed plate, dust extraction fixes in the first three-jaw chuck, the support column is fixed in the second three-jaw chuck.
In the above scheme, the first three-jaw chuck and the second three-jaw chuck are respectively fixed on the first fixing plate and the second fixing plate through first screws.
In the scheme, the laser beam in the laser head is emitted by the fiber laser and is reflected by the reflector to irradiate the surface of the workpiece to be processed.
In the above scheme, the fiber laser, the six-degree-of-freedom manipulator, the dust suction device, the pressure gauge and the telescopic support are all connected with a computer.
The invention also provides a method for removing glue by using the laser cleaning device, which comprises the following steps: A. assembling the dust suction device and the scraper device on the laser head through the three-jaw chuck and the fixing clamp, and ensuring that the dust suction device, the laser head and the scraper device are on the same straight line; B. placing a composite material hot-pressing tool on a workbench, controlling a six-degree-of-freedom manipulator through a computer, and adjusting a laser head to a proper position above a workpiece to be processed; C. focusing a laser beam on the surface of the workpiece, and observing data displayed in a pressure gauge at the moment; if the data display pressure is too large, the telescopic bracket is controlled to contract through the computer, so that the scraper is driven to move upwards; on the contrary, if the pressure gauge cannot detect the pressure or the pressure is insufficient, the telescopic support needs to be controlled to drive the scraper to move downwards; D. the computer controls the dust collection device to be started; E. the computer controls the fiber laser to emit laser. The laser wavelength is 1064nm, the pulse width is 10-100 ns, the power is 0-200W adjustable, the diameter of a light spot is 50 microns, the laser falls on the surface of a workpiece after being reflected by a reflector to be cleaned and removed of glue, and a Z-shaped path is adopted in a laser cleaning path; F. after the laser cleaning is finished, the fiber laser and the dust suction device are sequentially closed under the control of a computer; G. and taking down the workpiece.
The invention has the beneficial effects that: (1) the laser positioning device uses the six-degree-of-freedom mechanical arm to clamp the laser head, is controlled by a computer, and can accurately position the laser beam. (2) The dust suction device and the scraper device are assembled on two sides of the laser head by adopting the fixing clamp, so that the dust suction device and the scraper device can move together, the processing is more flexible, and the adaptability is stronger. (3) The invention adopts the scraper which forms a certain angle with the processing direction, can remove part of the sealant in time and avoid polluting the cleaned surface. (4) According to the invention, the computer is used for controlling the deformation of the spring to adjust the contact pressure between the scraper and the surface of the tool, so that the surface of the tool is prevented from being damaged by the scraper while part of the sealant is scraped.
Drawings
FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention.
FIG. 2 is a schematic view of the fixing structure of the scraper and the dust collector used in the present invention.
Figure 3 is an enlarged view of the 4-blade arrangement of figure 1.
Fig. 4 is a schematic view of a laser beam scanning path.
In the figure: 1-six-degree-of-freedom manipulator, 2-computer, 3-pressure gauge, 4-scraper device, 5-residual glue, 6-workpiece, 7-dust box, 8-dust suction device, 9-laser head, 10-bolt, 11-fixing clamp, 11-1-first fixing plate, 11-2-second fixing plate, 12-optical fiber laser, 13-reflector, 14-first screw, 15-1-first, 15-2-second three-jaw chuck, 16-upper pressing block, 17-spring, 18-scraper, 19-measuring platform, 20-telescopic bracket, 21-second screw, 22-fixing panel, A-to-be-cleaned area; b-cleaned area; c-a doctor blade treatment zone; d-laser cleaning the area.
Detailed Description
The present invention is described in further detail below with reference to specific examples.
A laser cleaning device for sealing and glue removing of a composite material hot-pressing tool comprises a laser head 9 and a six-degree-of-freedom manipulator 1 as shown in figure 1; the laser head 9 is arranged on the six-degree-of-freedom manipulator 1; the laser beam in the laser head 9 is emitted by a fiber laser 12 and reflected by a reflecting mirror 13 to irradiate on the surface of the workpiece 6 to be processed; the laser head 9 is sequentially provided with a dust suction device 8 and a scraper device 4 from left to right; the dust suction device 8 is connected with the dust collection box 7 through a pipeline; as shown in fig. 3, the scraper device 4 comprises a measuring platform 19, a scraper 18 is mounted at the end of the measuring platform 19, and the surface of the scraper 18 forms an angle with the advancing direction of the laser head 9, so as to remove the residual glue 5 on the surface of the workpiece 6 without polluting the cleaned surface; manometer 3 is installed to measuring platform 19 below, measuring platform 19 top is provided with fixed panel 22, measuring platform 19 and fixed panel 22 simultaneously fixed mounting are on support column 16, support column 16 fixes on mounting fixture 11, measuring platform 19 with install telescopic bracket 20 and spring 17 between the fixed panel 22, spring 17 overlaps the outside of support column 16. The spring 17 and the pressure gauge 3 are used for monitoring the pressure of the scraper on the surface of the workpiece; the telescopic bracket 20 is connected with the fixing panel 22 and the scraper 18 through the second screw 21, and the position of the scraper can be finely adjusted up and down through compression and stretching, so that the surface of the workpiece 6 is prevented from being damaged by the scraper. The optical fiber laser 12, the six-degree-of-freedom manipulator 1, the dust collection device 8, the pressure gauge 3 and the telescopic support 20 are all connected with a computer 2.
As shown in fig. 2, the fixing clamp 11 includes a first fixing plate 11-1 and a second fixing plate 11-2, the laser head 9 is located between the first fixing plate 11-1 and the second fixing plate 11-2, the first fixing plate 11-1 and the second fixing plate 11-2 are fixedly connected by a bolt 10, a first three-jaw chuck 15-1 is installed on the first fixing plate 11-1, a second three-jaw chuck 15-2 is installed on the second fixing plate 11-2, the dust suction device 8 is fixed in the first three-jaw chuck 15-1, and the supporting column 16 is fixed in the second three-jaw chuck 15-2. The first three-jaw chuck 15-1 and the second three-jaw chuck 15-2 are fixed to the first fixing plate 11-1 and the second fixing plate 11-2, respectively, by first screws 14. The fixing clamp 11 is locked through a bolt 10, and coaxial fixation with the laser head 9 is achieved.
The method for sealing and removing the glue of the composite material hot-pressing tool comprises the following steps: A. the dust suction device 8 and the scraper device 4 are assembled on the laser head 9 through the three-jaw chuck 15 and the fixing clamp 11, and the dust suction device 8, the laser head 9 and the scraper device 4 are ensured to be on the same straight line. B. The carbon fiber composite material hot-pressing tool is placed on a workbench, the six-degree-of-freedom manipulator 1 is controlled through the computer 2, and the laser head 9 is adjusted to a proper position above the workpiece 6 to be processed. C. Focusing a laser beam on the surface of the workpiece 6, and observing data displayed in the pressure gauge 3 at the moment; if the data shows that the pressure is too large, the computer 2 controls the telescopic bracket 20 to contract, so that the scraper 18 is driven to move upwards; on the contrary, if the pressure gauge 3 does not detect the pressure, it indicates that the spring 17 does not contact the measuring platform 19, and the telescopic bracket 20 needs to be controlled to drive the scraper 18 to move downwards. D. The computer 2 controls the dust suction device 8 to be started. E. The computer 2 controls the fiber laser 12 to emit laser light. The laser wavelength is 1064nm, the pulse width is 100ns, the pulse repetition frequency is 30kHz, the power is 100W, the diameter of a light spot is 50 μm, and the scanning speed is 1500mm/s, as shown in FIG. 4, a Z-shaped path is adopted in a laser cleaning path, and laser falls on the surface of the workpiece 6 after being reflected by a reflector 13 to clean and remove glue. F. After the laser cleaning is finished, the fiber laser 12 and the dust suction device 8 are closed in sequence under the control of the computer 2. G. The workpiece 6 is removed.
The scraper device in the device is designed on one side of the advancing direction of the laser head, so that residual glue on the surface of a workpiece can be well scraped and thinned, the quality and efficiency of laser cleaning can be improved, manual glue scraping operation of workers is avoided, and the automation degree is higher. In addition, a spring pressure sensor and a telescopic support are arranged in the scraper device and are controlled by a computer, so that the position of the scraper can be adjusted, and the damage to the surface of a workpiece caused by overlarge pressure is avoided. Finally, dust extraction and scraper device all can be dismantled, and flexibility and suitability are strong.
The foregoing description has disclosed fully preferred embodiments of the present invention. It should be noted that those skilled in the art can make modifications to the embodiments of the present invention without departing from the scope of the appended claims. Accordingly, the scope of the appended claims is not to be limited to the specific embodiments described above.
Claims (1)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895370.1A CN112170385B (en) | 2020-08-31 | 2020-08-31 | Laser cleaning device and method for sealing and glue removing of composite material hot-pressing tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895370.1A CN112170385B (en) | 2020-08-31 | 2020-08-31 | Laser cleaning device and method for sealing and glue removing of composite material hot-pressing tool |
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| CN112170385A CN112170385A (en) | 2021-01-05 |
| CN112170385B true CN112170385B (en) | 2022-03-22 |
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| KR20230034069A (en) * | 2021-09-02 | 2023-03-09 | 주식회사 엘지에너지솔루션 | Automatic cutting-off system for tape and resin of battery pack |
| CN114472367B (en) * | 2021-12-28 | 2023-03-21 | 深圳泰德激光技术股份有限公司 | Method and device for cleaning material and computer readable storage medium |
| CN117484750B (en) * | 2023-12-29 | 2024-03-26 | 苏州赛肯智能科技有限公司 | Semiconductor packaging mold cleaning mechanism |
| CN117920685B (en) * | 2024-03-22 | 2024-07-16 | 杭州中为光电技术有限公司 | A remove gluey equipment for brilliant support |
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| US8530787B2 (en) * | 2009-12-16 | 2013-09-10 | Flow Systems, Inc. | Flow tester for laser drilled holes |
| CN102172592B (en) * | 2011-01-13 | 2013-12-11 | 深圳市宇顺电子股份有限公司 | Method for automatically cleaning glass surface |
| CN204353161U (en) * | 2014-12-28 | 2015-05-27 | 浙江嘉泰激光科技有限公司 | A kind of laser-ultrasound composite cleaning device of chemical reaction tank body |
| CN204998118U (en) * | 2015-09-24 | 2016-01-27 | 深圳市博研商用设备有限公司 | Electron is adjusted constant voltage power and is scraped arm and screen printer |
| CN207709482U (en) * | 2017-11-06 | 2018-08-10 | 成都新澳冠医疗器械有限公司 | A kind of integrated antenna package excessive glue removing equipment |
| CN209109750U (en) * | 2018-09-18 | 2019-07-16 | 中车青岛四方机车车辆股份有限公司 | Wet type laser cleaning system |
| CN109332106B (en) * | 2018-11-22 | 2023-09-22 | 大正(江苏)微纳科技有限公司 | Scraper device of coating machine |
| CN109719086B (en) * | 2018-12-29 | 2021-09-10 | 江苏大学 | Double-laser cleaning device and method |
| CN110434336B (en) * | 2019-08-21 | 2021-12-17 | 大连理工大学 | Device and method for removing surface oxide skin in metal component additive manufacturing process in real time by laser |
| CN110976438A (en) * | 2019-12-24 | 2020-04-10 | 武汉翔明激光科技有限公司 | Aluminum alloy automobile body section bar welds preceding, welds back laser equipment of polishing |
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