CN112440001A - Composite material surface pretreatment system - Google Patents
Composite material surface pretreatment system Download PDFInfo
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- CN112440001A CN112440001A CN201910809090.1A CN201910809090A CN112440001A CN 112440001 A CN112440001 A CN 112440001A CN 201910809090 A CN201910809090 A CN 201910809090A CN 112440001 A CN112440001 A CN 112440001A
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- Prior art keywords
- composite material
- controller
- laser
- conveyer
- motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
Abstract
The invention discloses a composite material surface pretreatment system, which comprises: laser marking machine, installing support, conveyer and controller, laser marking machine include laser generator and mark head, and laser generator passes through the installing support and is connected with the quick-witted case of controller, and mark head is connected with laser generator, and conveyer sets up on the quick-witted case of controller, and conveyer sets up in mark head below, and the controller is connected with laser generator, mark head and conveyer electricity respectively. The composite material surface pretreatment system realizes the automatic laser surface pretreatment of the composite material, and has high pretreatment efficiency, low labor intensity and high pretreatment quality.
Description
Technical Field
The invention relates to the field of composite material processing, in particular to a composite material surface pretreatment system.
Background
Composite materials (such as carbon fiber reinforced resin matrix composite materials) are widely applied to the aviation manufacturing industry, and composite material structural parts are generally connected in a gluing mode. To ensure the strength and durability of the bonded joint, surface preparation of the composite structural member is required to obtain a clean, high surface energy bonded surface. The surface pretreatment is mainly carried out on the composite material structural part through mechanical polishing in the prior art, the surface of the composite material structural part is mechanically polished through manual work in the composite material surface pretreatment mode, the manual labor intensity is high, the pretreatment efficiency is low, and the polishing quality is greatly influenced by human factors. Therefore, the traditional composite material surface pretreatment mode has the technical problems of high labor intensity, low pretreatment efficiency and unstable pretreatment quality.
Disclosure of Invention
The invention aims to provide a composite material surface pretreatment system to solve the technical problems of high labor intensity, low pretreatment efficiency and unstable pretreatment quality of the traditional composite material surface pretreatment mode.
In order to achieve the purpose, the invention adopts the following technical scheme:
a composite surface pretreatment system comprising: laser marking machine, installing support, conveyer and controller, laser marking machine includes laser generator and marking head, laser generator passes through the installing support with the quick-witted case of controller is connected, marking head with laser generator connects, conveyer sets up on the quick-witted case of controller, just conveyer sets up marking head below, the controller respectively with laser generator marking head with the conveyer electricity is connected.
In one embodiment, the system further comprises a detector disposed above the marking head, and the detector is connected to the controller.
In one embodiment, the composite material surface pretreatment system further comprises a feeding device, the feeding device comprises a supporting frame, and a vibrating disc, a motor speed regulator and a vibrating disc controller which are arranged on the supporting frame, a discharge port of the vibrating disc is communicated with a feed port of the conveying device, the motor speed regulator is connected with the vibrating disc, and the vibrating disc controller is electrically connected with the motor speed regulator.
In one embodiment, the system further comprises a connection frame, and the connection frame is respectively connected with the case of the controller and the support frame.
In one embodiment, the transfer device comprises: the mounting base is connected with a case of the controller, the motor and the conveyor belt are arranged on the mounting base, and the transmission gear set is connected with the motor and the conveyor belt respectively.
In one embodiment, the conveying device further comprises side plates arranged on both sides of the conveyor belt in the conveying direction.
In one embodiment, a bead is attached to the upper edge of the side panel.
In one embodiment, the transfer device further comprises a protective cover, and the protective cover is arranged outside the motor and the transmission gear set.
In one embodiment, the composite material surface pretreatment system further comprises a material receiving device, and the material receiving device is arranged adjacent to the discharge hole of the conveying device.
In one embodiment, the laser marking machine is a 20IPG laser marking machine.
The working process of the composite material surface pretreatment system is as follows: the conveying device conveys the composite material structural part to be processed to the lower part of the marking head, the marking head performs laser scanning on the surface of the composite material structural part, impurities on the surface of the composite material structural part are cleaned, the surface of the composite material structural part is modified, and the laser generator provides laser beams for the marking head. Specifically, the controller controls various laser process parameters of the laser generator and the marking head according to the preset pretreatment requirement, controls the conveying speed of the conveying device, can carry out automatic laser surface pretreatment on the composite material structural member, and is high in pretreatment efficiency and low in labor intensity. In addition, the surface of the composite material structural member is pretreated by the laser, so that not only can the impurities such as oil stains on the surface of the CFRP, cooling liquid, release agent and the like be effectively and quickly cleaned, but also the surface of the composite material can be modified on the basis of not damaging internal fibers, so that good surface activity is obtained, the affinity between the adhesive resin and the surface of the composite material matrix is increased, and the surface pretreatment quality of the composite material can be effectively ensured. Therefore, compared with the traditional composite material surface pretreatment mode, the composite material surface pretreatment system realizes the automatic laser surface pretreatment of the composite material, and has the advantages of high pretreatment efficiency, low labor intensity and high pretreatment quality.
Drawings
FIG. 1 is a schematic diagram of the structure of a composite surface preparation system in one embodiment;
FIG. 2 is a control schematic of the composite surface preparation system in one embodiment;
FIG. 3 is a schematic view of a partial structure of a composite surface preparation system according to an embodiment;
FIG. 4 is a schematic diagram of the structure of the transfer device in one embodiment.
Description of reference numerals:
11-a laser generator, 12-a marking head, 20-a mounting bracket, 30-a conveying device, 31-a mounting seat, 32-a motor, 33-a transmission gear set, 34-a conveying belt, 35-a side plate, 36-a pressing strip, 37-a protective cover, 40-a case, 50-a detector, 61-a supporting frame, 62-a vibrating disc, 63-a motor speed regulator, 64-a vibrating disc controller and 70-a connecting frame.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1 to 4, an embodiment of a system for surface pretreatment of a composite material includes: laser marking machine, installing support 20, conveyer 30 and controller, laser marking machine includes laser generator 11 and marking head 12, laser generator 11 is connected with the quick-witted case 40 of controller through installing support 20, marking head 12 is connected with laser generator 10, conveyer 40 sets up on the quick-witted case 40 of controller, conveyer 30 sets up in marking head 12 below, the controller respectively with laser generator 11, marking head 12 and conveyer 30 electricity are connected.
The working process of the composite material surface pretreatment system is as follows: the conveying device 30 conveys the composite material structural part to be processed to the position below the marking head 12, the marking head 12 performs laser scanning on the surface of the composite material structural part, impurities on the surface of the composite material structural part are cleaned, the surface of the composite material structural part is modified, and the laser generator 11 provides laser beams for the marking head 12. Specifically, the controller controls various laser process parameters of the laser generator 11 and the marking head 12 according to the preset pretreatment requirement, and controls the conveying speed of the conveying device 30, so that the automatic laser surface pretreatment of the composite material is realized, and the pretreatment efficiency is high. In addition, the surface of the composite material structural member is pretreated by the laser, so that not only can the impurities such as oil stains on the surface of the CFRP, cooling liquid, release agent and the like be effectively and quickly cleaned, but also the surface of the composite material can be modified on the basis of not damaging internal fibers, so that good surface activity is obtained, the affinity between the adhesive resin and the surface of the composite material matrix is increased, and the surface pretreatment quality of the composite material can be effectively ensured.
Specifically, the laser marking machine 30 is a 20IPG laser marking machine, and the laser marking machine has good output beam quality and high marking speed, and the marking speed can reach 5000 mm/s. The laser generator 11 has high photoelectric conversion efficiency which can reach 25%, the service life of the laser module is longer than 10 ten thousand hours, the performance is stable, the maintenance is free, and the laser module is suitable for industrial occasions. The marking head 12 can scan the focused laser spot on the surface of the composite material by using a two-axis high-speed galvanometer, remove impurities through the interaction between the laser and the surface of the composite material, and form a permanent pattern or mark on the surface of the composite material to obtain good surface activity. Specifically, laser scanning parameters output by the laser generator 11, such as the laser spot size, the scanning path, the scanning speed, the power density, and the like, are controlled by the controller, and marking parameters of the marking head 12 are also controlled by the controller. Further, in one embodiment, the controller is an upper computer.
In one embodiment, the composite surface preparation system further comprises a detector 50, the detector 50 is disposed above the marking head 12, and the detector 50 is connected with the controller. The detector 50 may be, but is not limited to, an infrared detector, the detector 50 detects the surface of the composite material structural member in real time in the process of performing laser surface pretreatment on the composite material structural member by the marking head 12, specifically detects the surface impurity and resin residue rate of the composite material structural member, and sends detection information to the controller, the controller compares the received surface detection information with a preset cleanliness threshold and a preset surface activity threshold which are stored in advance, if the surface detection information is matched with the preset cleanliness threshold and the preset surface activity threshold, the transmission speed of the transmission device 30 is adjusted, the current composite material structural member is moved out of the scanning range of the marking head, and the next composite material structural member is subjected to laser scanning; and if the surface detection information is not matched with the preset cleanliness threshold value and the preset surface activity threshold value, adjusting the laser scanning parameters and the transmission speed in real time to continue scanning the composite material structural member until the surface cleanliness and the surface activity of the composite material structural member meet the preset requirements. The embodiment can further improve the surface pretreatment efficiency of the composite material by detecting the surface of the composite material in real time through the detector, effectively ensure the treatment precision and further improve the pretreatment quality.
Further, the preset cleanliness threshold and the preset surface activity threshold may be both a specific numerical value or a range of numerical values, and when the preset cleanliness threshold and the preset surface activity threshold are specific numerical values, the surface detection information is respectively matched with the preset cleanliness threshold and the preset surface activity threshold, which means that the cleanliness numerical value and the surface activity numerical value contained in the surface detection information are respectively the same as the preset cleanliness threshold and the preset surface activity threshold; when the preset cleanliness threshold value and the preset surface activity threshold value are within a range of values, the surface detection information is respectively matched with the preset cleanliness threshold value and the preset surface activity threshold value, namely the cleanliness value and the surface activity value contained in the surface detection information are within the range of values of the preset cleanliness threshold value and the preset surface activity threshold value.
In one embodiment, the transmission device 30 includes a mounting base 31, a motor 32, a transmission gear set 33 and a transmission belt 34, the mounting base 31 is connected with a cabinet 40 of the controller, the motor 32 and the transmission belt 34 are both disposed on the mounting base 31, and the transmission gear set 33 is respectively connected with the motor 32 and the transmission belt 34. The transmission gear set 33 includes two bevel gears in meshed connection, wherein one bevel gear is connected with an output shaft of the motor 32, and the other bevel gear is connected with a rotating shaft of the conveyor belt 34. The motor 32 provides a driving force, and the transmission gear set 33 drives the rotating shaft of the transmission belt 34 to rotate so as to drive the transmission belt 34 to run, thereby conveying the composite structural member below the marking head 12 and conveying the surface-pretreated composite structural member to the discharge port at the tail end of the conveying device 30. Specifically, the motor 32 is electrically connected to a controller, which controls the conveying speed of the conveyor belt 34 by controlling the rotational speed of the motor 32.
Further, in one embodiment, the composite material surface pretreatment system further comprises a material receiving device, wherein the material receiving device is arranged adjacent to the discharge port of the conveying device and is used for collecting the composite material structural member subjected to surface pretreatment.
In one embodiment, the conveying device 30 further includes side plates 35, the side plates 35 are disposed on two sides of the conveyor belt 34 along the conveying direction, and the side plates 35 are used for conveying and limiting the composite structural member conveyed on the conveyor belt 34, so as to prevent the composite structural member from sliding off from the side surfaces of the conveyor belt 34, and ensure stable and reliable conveyance of the composite structural member. Further, in an embodiment, the upper edge of the side plate 35 is further connected with a pressing strip 36, a gap for the laser to pass through is left between two opposite pressing strips 36, and the pressing strip 36 can prevent the composite material structural member 30 from being ejected from the upper side of the conveyor belt 34, so that stable and reliable transmission of the composite material structural member can be further ensured.
In one embodiment, the conveying device further comprises a protective cover 37, the protective cover 37 is covered outside the motor 32 and the transmission gear set 33, and the protective cover 37 can protect the motor 32 and the transmission gear set 33 from being damaged, so that the stable and reliable operation of the conveying device is ensured.
In one embodiment, the composite material surface pretreatment system further comprises a feeding device, the feeding device comprises a supporting frame 61, a vibration disc 62, a motor speed regulator 63 and a vibration disc controller 64, the vibration disc 62 is arranged on the supporting frame 61, a discharge port of the vibration disc 62 is communicated with a feed port of the conveying device 30, the motor speed regulator is connected with the vibration disc 62, and the vibration disc controller 64 is electrically connected with the motor speed regulator 63. Specifically, the vibration disc 62 can automatically, orderly, directionally and accurately convey disordered composite material structural parts to the conveyor belt 34 through vibration, and the vibration disc controller 64 controls the vibration frequency of the vibration disc 62 through controlling the rotating speed of the motor speed regulator 63 so as to control the feeding speed, so that the feeding speed is matched with the conveying speed of the conveyor belt 34. The composite material surface pretreatment system of this embodiment has realized automatic feeding through setting up loading attachment, is favorable to further improving pretreatment efficiency.
In one embodiment, the composite material surface pretreatment system further comprises a connecting frame 70, the connecting frame 70 is respectively connected with the cabinet 40 of the controller and the supporting frame 61, and the connecting frame 70 connects the supporting frame 61 with the cabinet 40 of the controller, so that the vibration plate 62 can be stably and reliably installed.
Specifically, the working process of the composite material surface pretreatment system is as follows: first, the composite structural member to be treated is placed in a vibratory pan 62; then, setting a preset cleanliness threshold value and a preset surface activity threshold value at the controller end, and setting initial laser process parameters (including laser scanning speed, laser power, frequency and the like) and transmission speed; then, starting the feeding device and the conveying device 30, and conveying the composite material structural member to be processed to the position below the marking head 12 for laser scanning pretreatment; meanwhile, the detector 50 detects the surface of the composite material structural member in real time in the process of performing laser surface pretreatment on the composite material structural member by the marking head 12, and sends detection information to the controller; and the controller compares the received surface detection information with a pre-stored preset cleanliness threshold value and a pre-stored preset surface activity threshold value, and if the surface detection information is not matched with the preset cleanliness threshold value and the pre-stored surface activity threshold value respectively, the laser scanning parameters and the transmission speed are adjusted in real time to continue scanning the composite material structural member until the surface cleanliness and the surface activity of the composite material structural member meet the preset requirements. Finally, the conveying device 30 outputs the composite material structural member subjected to the surface pretreatment to the receiving device.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A composite surface pretreatment system, comprising: laser marking machine, installing support (20), conveyer (30) and controller, laser marking machine includes laser generator (11) and marks head (12), laser generator (11) pass through installing support (20) with quick-witted case (40) of controller are connected, mark head (12) with laser generator (11) are connected, conveyer (30) set up on quick-witted case (40) of controller, just conveyer (30) set up mark head (12) below, the controller respectively with laser generator (11) mark head (12) with conveyer (30) electricity is connected.
2. The composite surface pretreatment system of claim 1, further comprising a detector (50), wherein said detector (50) is disposed above said heading head (12), and wherein said detector (50) is connected to said controller.
3. The composite material surface pretreatment system according to claim 1, further comprising a feeding device, wherein the feeding device comprises a support frame (61) and a vibration disc (62), a motor governor (63) and a vibration disc controller (64) which are arranged on the support frame (61), the discharge port of the vibration disc (62) is communicated with the feed port of the conveying device (30), the motor governor (63) is connected with the vibration disc (62), and the vibration disc controller (64) is electrically connected with the motor governor (63).
4. The composite surface preparation system of claim 3, further comprising a connection rack (70), said connection rack (70) being connected to said controller cabinet (40) and said support frame (61), respectively.
5. The composite material surface preparation system according to claim 1, wherein the conveyor (30) comprises: mount pad (31), motor (32), drive gear group (33) and conveyer belt (34), mount pad (31) with quick-witted case (40) of controller are connected, motor (32) with conveyer belt (34) all set up on mount pad (31), drive gear group (33) respectively with motor (32) with conveyer belt (34) are connected.
6. The composite material surface preparation system according to claim 5, characterized in that the conveyor (30) further comprises side plates (35), the side plates (35) being arranged on both sides of the conveyor belt (34) in the conveying direction.
7. The composite material surface preparation system according to claim 6, characterized in that a bead (36) is attached to the upper edge of the side plate (35).
8. The composite material surface preparation system according to claim 7, wherein said conveyor (30) further comprises a protective hood (37), said protective hood (37) being housed outside said motor (32) and said drive gear set (33).
9. The composite material surface pretreatment system according to any one of claims 1 to 8, further comprising a receiving device disposed adjacent to a discharge port of the conveyor (30).
10. The composite surface pretreatment system of any one of claims 1 to 8, wherein said laser marking machine is a 20IPG laser marking machine.
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CN201910809090.1A CN112440001A (en) | 2019-08-29 | 2019-08-29 | Composite material surface pretreatment system |
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CN201910809090.1A CN112440001A (en) | 2019-08-29 | 2019-08-29 | Composite material surface pretreatment system |
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Citations (9)
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JPH0452190A (en) * | 1990-06-19 | 1992-02-20 | Dainippon Ink & Chem Inc | Laser marking method and resin composing material for laser marking |
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CN105629057A (en) * | 2016-03-28 | 2016-06-01 | 无锡智谷锐拓技术服务有限公司 | Electric energy meter for dust detection |
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CN106624367A (en) * | 2017-03-11 | 2017-05-10 | 四川广正科技有限公司 | Pretreatment method and system for material surface before laser welding |
CN107470778A (en) * | 2017-07-06 | 2017-12-15 | 上海卫星装备研究所 | Carbon fibre composite is glued face preprocess method |
CN108817673A (en) * | 2018-06-12 | 2018-11-16 | 江苏大学 | A kind of laser-induced cavitation surface pretreatment device and method |
CN109967889A (en) * | 2019-04-26 | 2019-07-05 | 天津宏光伟业激光科技有限公司 | A kind of high-adaptability laser marking machine and its working method |
WO2021222193A1 (en) * | 2020-04-27 | 2021-11-04 | Blade Dynamics Lllp | Treatment of a fibre reinforced composite element |
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2019
- 2019-08-29 CN CN201910809090.1A patent/CN112440001A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0452190A (en) * | 1990-06-19 | 1992-02-20 | Dainippon Ink & Chem Inc | Laser marking method and resin composing material for laser marking |
US20160265570A1 (en) * | 2015-03-12 | 2016-09-15 | Ut-Battelle, Llc | Laser Nanostructured Surface Preparation for Joining Materials |
CN205272885U (en) * | 2016-01-14 | 2016-06-01 | 济南新天科技有限公司 | Novel ballpoint, pen laser marking machine |
CN105629057A (en) * | 2016-03-28 | 2016-06-01 | 无锡智谷锐拓技术服务有限公司 | Electric energy meter for dust detection |
CN106624367A (en) * | 2017-03-11 | 2017-05-10 | 四川广正科技有限公司 | Pretreatment method and system for material surface before laser welding |
CN107470778A (en) * | 2017-07-06 | 2017-12-15 | 上海卫星装备研究所 | Carbon fibre composite is glued face preprocess method |
CN108817673A (en) * | 2018-06-12 | 2018-11-16 | 江苏大学 | A kind of laser-induced cavitation surface pretreatment device and method |
CN109967889A (en) * | 2019-04-26 | 2019-07-05 | 天津宏光伟业激光科技有限公司 | A kind of high-adaptability laser marking machine and its working method |
WO2021222193A1 (en) * | 2020-04-27 | 2021-11-04 | Blade Dynamics Lllp | Treatment of a fibre reinforced composite element |
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