CN114131199A - Wire-guided ultrasonic-assisted laser additive repair device and method - Google Patents

Wire-guided ultrasonic-assisted laser additive repair device and method Download PDF

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Publication number
CN114131199A
CN114131199A CN202111622450.0A CN202111622450A CN114131199A CN 114131199 A CN114131199 A CN 114131199A CN 202111622450 A CN202111622450 A CN 202111622450A CN 114131199 A CN114131199 A CN 114131199A
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China
Prior art keywords
ultrasonic
wire
amplitude transformer
laser
plate
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CN202111622450.0A
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Chinese (zh)
Inventor
姚建华
姚喆赫
陈健
张群莉
陈智君
李波
迟一鸣
张盼盼
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Priority to CN202111622450.0A priority Critical patent/CN114131199A/en
Publication of CN114131199A publication Critical patent/CN114131199A/en
Pending legal-status Critical Current

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    • 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
    • B23K26/34Laser welding for purposes other than joining
    • 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
    • B23K26/346Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

A wire-guide ultrasonic-assisted laser additive repair device comprises a wire-guide ultrasonic equipment displacement coarse adjustment module, a wire-guide ultrasonic equipment high-precision displacement fine adjustment module and an ultrasonic equipment module; the wire guide ultrasonic equipment displacement coarse adjustment module is provided with a laser, and comprises a horizontal displacement coarse adjustment plate and a vertical displacement coarse adjustment plate, and the tail end of a wire can appear at the center of a laser spot; the upper end and the lower end of the high-precision displacement fine adjustment module are respectively connected with the wire guide ultrasonic equipment displacement coarse adjustment module and the ultrasonic equipment module, and the high-precision displacement fine adjustment module is used for enabling the centering of the wire to be 0; the ultrasonic equipment module comprises an ultrasonic amplitude transformer, and a wire threading head is arranged on the ultrasonic amplitude transformer, so that the wire is driven to perform ultrasonic action on the laser additive repairing process. The invention also provides an experimental method based on the wire-guided ultrasonic-assisted laser additive repair device. The invention can realize wire-guide ultrasonic-assisted laser additive repair on irregular remanufactured parts and realize high-quality remanufacturing.

Description

Wire-guided ultrasonic-assisted laser additive repair device and method
Technical Field
The invention relates to the technical field of laser remanufacturing, in particular to a wire-guide ultrasonic-assisted laser additive repairing device and method.
Background
The high-end equipment is shut down or scrapped due to the problems of structure, surface damage and the like which are easily caused by the severe service environment of key parts of the high-end equipment, such as hot end parts of an aircraft engine, an ultra-supercritical steam turbine rotor, blades and the like. The laser remanufacturing technology is taken as the leading-edge field of manufacturing technology innovation, the design and operation mode of high-end equipment are deeply changed, the laser remanufacturing technology is an important support technology for green remanufacturing, and the laser remanufacturing technology is widely applied to additive repair of parts. However, because metal in the laser remanufacturing process is rapidly solidified, pores and microcracks are easily generated in the remanufactured parts under the condition of great temperature gradient and cooling speed, and the high-quality laser remanufacturing of the parts is seriously restricted.
At present, the researchers introduce the ultrasound into the laser forming, and the defect suppression and the performance improvement are realized. However, due to the limitations of the ultrasonic application, only parts of a particular shape can achieve effective introduction of ultrasound during laser forming. And high-end equipment refabrication part is usually the shape structure complicacy irregularly, and current supersound mode of applying is difficult to with the cooperation of refabrication part, leads to effectively introducing supersound in laser refabrication process to the application and the popularization of supplementary laser refabrication of supersound have been restricted.
Disclosure of Invention
In order to overcome the problems, the invention provides a device and a method for repairing a wire-guide ultrasonic-assisted laser additive.
The invention provides a wire-guide ultrasonic-assisted laser additive repair device, which comprises a workbench, a laser and a wire, wherein the workbench is used for supporting a part to be repaired; a wire-guided ultrasonic equipment displacement coarse adjustment module, a wire-guided ultrasonic equipment high-precision displacement fine adjustment module and an ultrasonic equipment module are arranged between the laser and the wire;
the wire-guide ultrasonic equipment displacement coarse adjustment module comprises an integral mechanism fixing plate, the integral mechanism fixing plate is vertically arranged, a laser is arranged on the front side of the integral mechanism fixing plate, a horizontal displacement coarse adjustment plate is connected to the back side of the integral mechanism fixing plate, a horizontal sliding groove is formed in the horizontal displacement coarse adjustment plate, a connecting sliding plate is connected in the horizontal sliding groove in a sliding mode, and the other end of the connecting sliding plate is connected with a vertical displacement coarse adjustment plate; the upper part of the vertical displacement coarse adjustment plate is provided with a vertical chute, the other end of the connecting sliding plate is provided with a fixing bolt corresponding to the vertical chute, and the fixing bolt penetrates through the vertical chute to be matched with a nut so as to limit the relative position of the connecting sliding plate and the vertical displacement coarse adjustment plate;
the high-precision displacement fine adjustment module of the wire-guide ultrasonic equipment comprises an optical experiment precision manual displacement fine adjustment mechanism, and the optical experiment precision manual displacement fine adjustment mechanism is an xy-axis displacement table; the top surface of the optical experiment precision manual displacement fine adjustment mechanism is connected with an optical experiment precision manual displacement fine adjustment mechanism fixing upper plate, and the top surface of the optical experiment precision manual displacement fine adjustment mechanism fixing upper plate is fixedly connected with the bottom surface of the vertical displacement coarse adjustment plate; the bottom surface of the optical experiment precision manual displacement fine adjustment mechanism is connected with a fixed lower plate of the optical experiment precision manual displacement fine adjustment mechanism;
the ultrasonic equipment module comprises an ultrasonic amplitude transformer which is horizontally arranged, and the tail end of the ultrasonic amplitude transformer is connected with an ultrasonic transducer; the ultrasonic transducer is clamped between the ultrasonic transducer fixing upper cover and the ultrasonic transducer fixing lower cover, and the ultrasonic transducer fixing upper cover is connected with the ultrasonic transducer fixing lower cover through a screw; the top end of the ultrasonic transducer fixing upper cover is fixedly connected with the bottom surface of the optical experiment precise manual displacement fine adjustment mechanism fixing lower plate; the head end of the ultrasonic amplitude transformer extends to the oblique upper side of the part to be repaired horizontally, and the head end of the ultrasonic amplitude transformer is connected with a threading head;
the ultrasonic transducer is also connected with a semi-circular ultrasonic amplitude transformer threading head guide upper cover and a semi-circular ultrasonic amplitude transformer threading head guide lower cover, two ends of the semi-circular ultrasonic amplitude transformer threading head guide upper cover and the semi-circular ultrasonic amplitude transformer threading head guide lower cover are respectively provided with a fixing lug, a screw hole is arranged on the fixing lug, and the ultrasonic amplitude transformer threading head guide upper cover and the ultrasonic amplitude transformer threading head guide lower cover are combined and installed on the ultrasonic amplitude transformer; the ultrasonic amplitude transformer threading head guide upper cover is provided with an ultrasonic amplitude transformer threading head adjusting rod on the surface of one side, facing the part to be repaired, of the upper cover, and the ultrasonic amplitude transformer threading head adjusting rod extends along the horizontal direction and is connected with an ultrasonic amplitude transformer threading head pressing cover through a screw; a gap is formed between the ultrasonic amplitude transformer threading head gland and the ultrasonic amplitude transformer threading head adjusting rod, and a thread feeding head is arranged in the gap; the wire is arranged in the wire feeding head, and the wire sent out by the wire feeding head passes through the through hole formed in the wire threading head to the lower part of the laser, so that the wire is driven to act on the repair process of laser material increase by ultrasound.
The invention provides an experimental method of a wire-guided ultrasonic-assisted laser additive repair device, which comprises the following steps:
(1) loosening a screw between the ultrasonic amplitude transformer threading head gland and the ultrasonic amplitude transformer threading head adjusting rod, fixing the wire feeding head in a gap in the middle of the screw, and enabling the wire to penetrate through a through hole in the ultrasonic amplitude transformer threading head;
(2) adjusting the relative positions of the connecting sliding plate, the horizontal displacement coarse adjustment plate and the vertical displacement coarse adjustment plate to realize the coarse adjustment of the position of the whole device, so that the tail end of a wire can appear at the center of a laser spot; then, the centering property of the wire material is enabled to be 0 through an optical experiment precision manual displacement fine adjustment mechanism, and different light wire intervals are obtained through adjustment according to actual experiment requirements;
(3) placing a part to be repaired on a workbench, setting a laser scanning path and scanning speed for a mechanical arm controlling the movement of a laser, setting power for the laser, and setting ultrasonic power and ultrasonic amplitude for an ultrasonic equipment module; and turning on an ultrasonic power supply in advance to start ultrasonic vibration, and then turning on a laser to perform a wire-guide ultrasonic-assisted laser additive repair experiment.
The invention has the beneficial effects that:
first, the irregular reproduction enables effective introduction of ultrasound during laser reproduction: the invention discloses a wire-guided ultrasonic-assisted laser additive repair device, which is a method for introducing ultrasonic vibration into a molten pool by adopting a wire material. The method allows the application of ultrasonic vibrations only in relation to the wire, and not in relation to the shape of the remanufactured piece. Therefore, wire-guide ultrasonic-assisted laser additive repair can be realized on irregular remanufactured parts, and high-quality remanufacturing is realized.
Second, the remanufacturing device is highly applicable to different lasers: the wire-guided ultrasonic-assisted laser additive repair device can realize coarse adjustment of horizontal and vertical displacement and fine adjustment of horizontal displacement, and can adapt to wires with different thicknesses by changing the size of the through hole of the wire penetrating head of the ultrasonic amplitude transformer. Therefore, the wire-guided ultrasonic-assisted laser additive repair device can be applied to different lasers and wires with different diameters, and has strong applicability.
Drawings
FIG. 1 is a perspective view of an angle of the present invention.
Figure 2 side view of the invention.
Figure 3 is a perspective view of another angle of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. 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.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to the attached drawings, embodiment 1 of the invention provides a wire-guided ultrasonic-assisted laser additive repair device, which comprises a workbench for supporting a part to be repaired, wherein a laser 4 and a wire 5 are arranged above the part to be repaired, the tail end of the wire 5 is aligned to the center of a laser spot emitted by the laser 4, and the laser 4 is used for melting the wire 5; the method is characterized in that: a wire-guided ultrasonic equipment displacement coarse adjustment module 3, a wire-guided ultrasonic equipment high-precision displacement fine adjustment module 2 and an ultrasonic equipment module 1 are arranged between the laser 4 and the wire 5;
the wire guide ultrasonic equipment displacement coarse adjustment module 3 comprises an integral mechanism fixing plate 3-1, the integral mechanism fixing plate 3-1 is vertically arranged, a laser 4 is arranged on the front side of the integral mechanism fixing plate 3-1, a horizontal displacement coarse adjustment plate 3-2 is connected to the back side of the integral mechanism fixing plate 3-1, a horizontal sliding groove is formed in the horizontal displacement coarse adjustment plate 3-2, a connecting sliding plate 3-3 is connected in the horizontal sliding groove in a sliding mode, and the other end of the connecting sliding plate 3-3 is connected with a vertical displacement coarse adjustment plate 3-4; a vertical sliding groove is formed in the upper portion of the vertical displacement coarse adjustment plate 3-4, a fixing bolt is arranged at the position, corresponding to the vertical sliding groove, of the other end of the connecting sliding plate 3-3, the fixing bolt penetrates through the vertical sliding groove to be matched with a nut, and therefore the relative position of the connecting sliding plate 3-3 and the vertical displacement coarse adjustment plate 3-4 is limited;
the high-precision displacement fine adjustment module 2 of the wire-guide ultrasonic equipment comprises an optical experiment precision manual displacement fine adjustment mechanism 2-2, and the optical experiment precision manual displacement fine adjustment mechanism 2-2 is an xy-axis displacement table; the top surface of the optical experiment precision manual displacement fine adjustment mechanism 2-2 is connected with an optical experiment precision manual displacement fine adjustment mechanism fixing upper plate 2-1, and the top surface of the optical experiment precision manual displacement fine adjustment mechanism fixing upper plate 2-1 is fixedly connected with the bottom surface of the vertical displacement coarse adjustment plate 3-4; the bottom surface of the optical experiment precision manual displacement fine adjustment mechanism 2-2 is connected with an optical experiment precision manual displacement fine adjustment mechanism fixing lower plate 2-3;
the ultrasonic equipment module 1 comprises an ultrasonic amplitude transformer 1-6 and an ultrasonic transducer 1-1 which are horizontally arranged, and the ultrasonic amplitude transformer 1-6 and the ultrasonic transducer 1-1 are fixedly connected through threads. The ultrasonic transducer 1-1 is clamped between an ultrasonic transducer fixing upper cover 1-2 and an ultrasonic transducer fixing lower cover 1-3, and the ultrasonic transducer fixing upper cover 1-2 and the ultrasonic transducer fixing lower cover 1-3 are connected through screws; the top end of the ultrasonic transducer fixing upper cover 1-2 is fixedly connected with the bottom surface of the optical experiment precise manual displacement fine adjustment mechanism fixing lower plate 2-3; the head end of the ultrasonic amplitude transformer 1-6 horizontally extends to the obliquely upper part of the part to be repaired, and the head end of the ultrasonic amplitude transformer 1-6 is connected with a threading head 1-7;
the ultrasonic transducer 1-1 is also connected with a semicircular annular ultrasonic amplitude transformer threading head guide upper cover 1-5 and a semicircular annular ultrasonic amplitude transformer threading head guide lower cover 1-4, both ends of the semicircular annular ultrasonic amplitude transformer threading head guide upper cover 1-5 and the semicircular annular ultrasonic amplitude transformer threading head guide lower cover 1-4 are respectively provided with a fixing lug, the fixing lugs are provided with screw holes, and the ultrasonic amplitude transformer threading head guide upper cover 1-5 and the ultrasonic amplitude transformer threading head guide lower cover 1-4 are combined and installed on the ultrasonic amplitude transformer 1-1; the ultrasonic amplitude transformer threading head guide upper cover 1-5 is provided with an ultrasonic amplitude transformer threading head adjusting rod 1-8 on the surface of one side facing to the part to be repaired, the ultrasonic amplitude transformer threading head adjusting rod 1-8 extends along the horizontal direction and is connected with an ultrasonic amplitude transformer threading head gland 1-9 through a screw; a gap is formed between the ultrasonic amplitude transformer threading head gland 1-9 and the ultrasonic amplitude transformer threading head adjusting rod 1-8, a wire feeding head 6 is arranged in the gap, and the wire feeding head 6 is aligned with the through hole on the threading head 1-7; the wire 5 is arranged in the wire feeding head, and the wire 5 sent out by the wire feeding head 6 passes through the wire penetrating heads 1-7 to the lower part of the laser 4, so that the wire 5 is subjected to the repair process of laser material increase with ultrasonic.
Embodiment 2 the installation step of the wire-guide ultrasonic-assisted laser additive repair device according to this embodiment:
(1) the wire-guided ultrasonic-assisted laser additive repair device adopts a mounting sequence from top to bottom. As shown in fig. 1, the laser 4 is first fixed to the integrated mechanism fixing plate 3-1, and the position of the laser 4 is determined. One end of the connecting sliding plate 3-3 is fixed in a horizontal sliding groove of the horizontal displacement coarse adjustment plate 3-2 of the wire guide ultrasonic equipment through a screw, and then the horizontal displacement coarse adjustment plate 3-2 of the wire guide ultrasonic equipment is aligned with a threaded hole of the fixing plate 3-1 of the integral mechanism and is connected and fixed through the screw. Then, the screw on the connecting sliding plate 3-3 passes through the vertical sliding groove of the wire guide ultrasonic equipment vertical displacement coarse adjustment plate 3-4 and then is fixed.
(2) Four central holes of the upper plate 2-1 fixed by the optical experiment precision manual displacement fine adjustment mechanism are aligned with threaded holes at the tail ends of the wire guide ultrasonic equipment vertical displacement coarse adjustment plates 3-4, and the four central holes are fixed by screws. Aligning the central hole of the optical experiment precision manual displacement fine adjustment mechanism fixing lower plate 2-3 with the upper end threaded hole of the ultrasonic amplitude transformer fixing upper cover 1-3 and fixing the same by using screws. Then, the threaded holes on the upper side and the lower side of the optical experiment precision manual displacement fine adjustment mechanism 2-2 are respectively aligned with the through holes of the optical experiment precision manual displacement fine adjustment mechanism fixing upper plate 2-1 and the optical experiment precision manual displacement fine adjustment mechanism fixing lower plate 2-3, and are fixed by screws.
(3) The threading head 1-7 of the ultrasonic amplitude transformer is fixed at one side of the ultrasonic amplitude transformer 1-6 by a threaded hole. The cylinder at the end of the ultrasonic transducer 1-1 is aligned with the bottom annular parts of the upper and lower ultrasonic transducer fixing covers 1-2 and 1-3, and the upper and lower ultrasonic transducer fixing covers 1-2 and 1-3 are fixed by screws, so that the ultrasonic transducer is fixed by the upper and lower ultrasonic transducer fixing covers 1-2 and 1-3.
(4) Fixing the ultrasonic amplitude transformer threading head gland 1-9 and the ultrasonic amplitude transformer threading head adjusting rod 1-8, and fixing the ultrasonic amplitude transformer threading head to the tail ends of the upper cover 1-5 and the ultrasonic amplitude transformer threading head adjusting rod 1-8 by using screws. Then, connecting the lower guide cover 1-4 and the upper guide cover 1-5 of the threading head of the ultrasonic amplitude transformer by using screws, rotating the guide covers 1-4 and 1-5 of the threading head of the ultrasonic amplitude transformer, aligning a gap for fixing the threading head between the gland 1-9 of the threading head of the ultrasonic amplitude transformer and the adjusting rod 1-8 of the threading head of the ultrasonic amplitude transformer on a straight line with a through hole on the threading head 1-7 of the ultrasonic amplitude transformer, and fixing the guide covers 1-4 and 1-5 of the threading head of the ultrasonic amplitude transformer and sleeving the guide covers on a cylinder at the tail end of the ultrasonic transducer 1-1.
Embodiment 3 an experimental method for assisting a laser additive repair device by using a wire-guided ultrasonic wave includes the following steps:
(1) the wire feeding head 6 is fixed in a hole in the middle of the ultrasonic amplitude transformer by loosening the screw of the ultrasonic amplitude transformer wire feeding head gland 1-9 and the ultrasonic amplitude transformer wire feeding head adjusting rod 1-8, and the wire 5 passes through the through hole on the ultrasonic amplitude transformer wire feeding head 1-7.
(2) The sliding plates 3-3 are connected in a sliding mode, so that the position coarse adjustment of the whole device is realized, and the tail end of the wire 5 can appear at the center of a laser spot. And then the centering of the wire 5 is 0 through the precise manual displacement fine adjustment mechanism 2-2 of the optical experiment, and different light wire intervals are obtained through adjustment according to the actual experiment requirements.
(3) The part 7 to be repaired is placed on a workbench 8, technological parameters such as ultrasonic power, ultrasonic amplitude, laser scanning path, power and scanning speed are set, an ultrasonic power supply is turned on in advance to start ultrasonic vibration, then a laser is turned on to perform a wire-guided ultrasonic-assisted laser additive material repair experiment.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but rather by the equivalents thereof as may occur to those skilled in the art upon consideration of the present inventive concept.

Claims (2)

1. A wire-guide ultrasonic-assisted laser additive repair device comprises a workbench for supporting a part to be repaired, wherein a laser (4) and a wire (5) are arranged above the part to be repaired, the tail end of the wire (5) is aligned to the center of a laser spot emitted by the laser (4), and the laser (4) is used for melting the wire (5); the method is characterized in that: a wire guide ultrasonic equipment displacement coarse adjustment module (3), a wire guide ultrasonic equipment high-precision displacement fine adjustment module (2) and an ultrasonic equipment module (1) are arranged between the laser (4) and the wire material (5);
the wire guide ultrasonic equipment displacement coarse adjustment module (3) comprises an integral mechanism fixing plate (3-1), the integral mechanism fixing plate (3-1) is vertically arranged, a laser (4) is arranged on the front side of the integral mechanism fixing plate (3-1), a horizontal displacement coarse adjustment plate (3-2) is connected to the back side of the integral mechanism fixing plate (3-1), a horizontal sliding groove is formed in the horizontal displacement coarse adjustment plate (3-2), a connecting sliding plate (3-3) is connected in the horizontal sliding groove in a sliding mode, and the vertical displacement coarse adjustment plate (3-4) is connected to the other end of the connecting sliding plate (3-3); the upper part of the vertical displacement coarse adjustment plate (3-4) is provided with a vertical chute, the other end of the connecting sliding plate (3-3) is provided with a fixing bolt corresponding to the vertical chute, and the fixing bolt penetrates through the vertical chute and is matched with a nut so as to limit the relative position of the connecting sliding plate (3-3) and the vertical displacement coarse adjustment plate (3-4);
the high-precision displacement fine adjustment module (2) of the wire-guided ultrasonic equipment comprises an optical experiment precision manual displacement fine adjustment mechanism (2-2), and the optical experiment precision manual displacement fine adjustment mechanism (2-2) is an xy-axis displacement table; the top surface of the optical experiment precision manual displacement fine adjustment mechanism (2-2) is connected with an optical experiment precision manual displacement fine adjustment mechanism fixing upper plate (2-1), and the top surface of the optical experiment precision manual displacement fine adjustment mechanism fixing upper plate (2-1) is fixedly connected with the bottom surface of the vertical displacement coarse adjustment plate (3-4); the bottom surface of the optical experiment precise manual displacement fine adjustment mechanism (2-2) is connected with a fixed lower plate (2-3) of the optical experiment precise manual displacement fine adjustment mechanism;
the ultrasonic equipment module (1) comprises an ultrasonic amplitude transformer (1-6) which is horizontally arranged, and the tail end of the ultrasonic amplitude transformer (1-6) is connected with the ultrasonic transducer (1-1); the ultrasonic transducer (1-1) is clamped between the ultrasonic transducer fixing upper cover (1-2) and the ultrasonic transducer fixing lower cover (1-3), and the ultrasonic transducer fixing upper cover (1-2) is connected with the ultrasonic transducer fixing lower cover (1-3) through a screw; the top end of the ultrasonic transducer fixing upper cover (1-2) is fixedly connected with the bottom surface of the optical experiment precise manual displacement fine adjustment mechanism fixing lower plate (2-3); the head end of the ultrasonic amplitude transformer (1-6) horizontally extends to the oblique upper part of the part to be repaired, and the head end of the ultrasonic amplitude transformer (1-6) is connected with a threading head (1-7);
the ultrasonic transducer (1-1) is also connected with a semicircular annular ultrasonic amplitude transformer threading head guide upper cover (1-5) and a semicircular annular ultrasonic amplitude transformer threading head guide lower cover (1-4), two ends of the semicircular annular ultrasonic amplitude transformer threading head guide upper cover (1-5) and the semicircular annular ultrasonic amplitude transformer threading head guide lower cover (1-4) are respectively provided with a fixing lug, the fixing lugs are provided with screw holes, and the ultrasonic amplitude transformer threading head guide upper cover (1-5) and the ultrasonic amplitude transformer threading head guide lower cover (1-4) are combined and installed on the ultrasonic amplitude transformer (1-1); an ultrasonic amplitude transformer threading head adjusting rod (1-8) is arranged on the surface of one side, facing the part to be repaired, of the ultrasonic amplitude transformer threading head guide upper cover (1-5), and the ultrasonic amplitude transformer threading head adjusting rod (1-8) extends in the horizontal direction and is connected with an ultrasonic amplitude transformer threading head pressing cover (1-9) through a screw; a gap is formed between the ultrasonic amplitude transformer threading head gland (1-9) and the ultrasonic amplitude transformer threading head adjusting rod (1-8), a wire feeding head (6) is arranged in the gap, and the wire feeding head (6) is aligned with the through hole on the threading head (1-7); the wire (5) is arranged in the wire feeding head, and the wire (5) sent by the wire feeding head (6) passes through the wire threading heads (1-7) to the lower part of the laser (4), so that the wire (5) is subjected to the repair process of laser material increase with ultrasonic.
2. The experimental method of the wire-guided ultrasonic-assisted laser additive repair device according to claim 1, comprising the following steps:
(1) loosening a screw between the ultrasonic amplitude transformer threading head gland and the ultrasonic amplitude transformer threading head adjusting rod, fixing the wire feeding head in a gap in the middle of the screw, and enabling the wire to penetrate through a through hole in the ultrasonic amplitude transformer threading head;
(2) adjusting the relative positions of the connecting sliding plate, the horizontal displacement coarse adjustment plate and the vertical displacement coarse adjustment plate to realize the coarse adjustment of the position of the whole device, so that the tail end of a wire can appear at the center of a laser spot; then, the centering property of the wire material is enabled to be 0 through an optical experiment precision manual displacement fine adjustment mechanism, and different light wire intervals are obtained through adjustment according to actual experiment requirements;
(3) placing a part to be repaired on a workbench, setting a laser scanning path and scanning speed for a mechanical arm controlling the movement of a laser, setting power for the laser, and setting ultrasonic power and ultrasonic amplitude for an ultrasonic equipment module; and turning on an ultrasonic power supply in advance to start ultrasonic vibration, and then turning on a laser to perform a wire-guide ultrasonic-assisted laser additive repair experiment.
CN202111622450.0A 2021-12-28 2021-12-28 Wire-guided ultrasonic-assisted laser additive repair device and method Pending CN114131199A (en)

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Application Number Priority Date Filing Date Title
CN202111622450.0A CN114131199A (en) 2021-12-28 2021-12-28 Wire-guided ultrasonic-assisted laser additive repair device and method

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Application Number Priority Date Filing Date Title
CN202111622450.0A CN114131199A (en) 2021-12-28 2021-12-28 Wire-guided ultrasonic-assisted laser additive repair device and method

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CN114131199A true CN114131199A (en) 2022-03-04

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102059459A (en) * 2009-11-11 2011-05-18 中国科学院沈阳自动化研究所 Laser-MIG (metal-inert gas welding) hybrid welding joint fine tuning mechanism
CN104668690A (en) * 2015-02-09 2015-06-03 北京科技大学 Device and method for assisting fluxless brazing by ultrasonic vibrating welding wire
CN209407674U (en) * 2018-10-26 2019-09-20 大族激光科技产业集团股份有限公司 A kind of regulating device for wire filling laser welding
CN111571016A (en) * 2020-06-15 2020-08-25 苏州镭扬激光科技有限公司 Wire feeding laser welding machine
CN112719571A (en) * 2020-12-28 2021-04-30 浙江工业大学 Handheld material increase repair laser wire feeding head

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102059459A (en) * 2009-11-11 2011-05-18 中国科学院沈阳自动化研究所 Laser-MIG (metal-inert gas welding) hybrid welding joint fine tuning mechanism
CN104668690A (en) * 2015-02-09 2015-06-03 北京科技大学 Device and method for assisting fluxless brazing by ultrasonic vibrating welding wire
CN209407674U (en) * 2018-10-26 2019-09-20 大族激光科技产业集团股份有限公司 A kind of regulating device for wire filling laser welding
CN111571016A (en) * 2020-06-15 2020-08-25 苏州镭扬激光科技有限公司 Wire feeding laser welding machine
CN112719571A (en) * 2020-12-28 2021-04-30 浙江工业大学 Handheld material increase repair laser wire feeding head

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