Laser arc hybrid welding device and welding equipment

Abstract

The utility model discloses a laser and electric arc hybrid welding device and welding equipment, and belongs to the technical field of machining equipment. The laser and electric arc hybrid welding device comprises an electric arc welding mechanism and a laser welding mechanism, the laser welding mechanism comprises a shell and a laser welding gun head installed on the shell, the electric arc welding mechanism comprises an electric arc welding gun head, a rotating assembly and a space position adjusting module, and the rotating assembly comprises a rotating body and a rotating driver. The rotating body is rotatably arranged outside the shell in a sleeving manner around a second axis, and the rotating driver is used for driving the rotating body to rotate around the second axis; the spatial position adjusting module is installed on the rotating body, the output end of the spatial position adjusting module is connected with the electric arc welding gun head, and the spatial position adjusting module is used for adjusting the relative position between the electric arc welding gun head and the laser welding gun head. Three welding modes of collaborative operation of the electric arc welding gun head and the laser welding gun head, independent operation of the electric arc welding gun head and independent operation of the laser welding gun head are achieved, and the flexibility of the laser and electric arc hybrid welding device is improved.

Description

Technical Field

[0001] The present application relates to the technical field of processing equipment, and in particular to a laser arc hybrid welding device and welding equipment. Background Art

[0002] Laser oscillation welding is a non-contact welding technology that uses a laser beam to rapidly heat the weld seam, melting the material and performing the weld. During the welding process, the laser beam is irradiated in a specific oscillating pattern. By controlling the laser beam's oscillation, a narrow, uniform weld depth can be produced. This technology offers advantages such as high welding speed, high weld quality, a wide range of weldable materials, and no need for post-processing. Arc welding uses an arc as a heat source, utilizing the physical phenomenon of air discharge to convert electrical energy into the thermal and mechanical energy required for welding, thereby achieving the purpose of joining metals. Arc welding can be performed in multiple positions, including flat, vertical, horizontal, and overhead welding.

[0003] Currently, there is a laser-arc hybrid welding device on the market that can achieve laser-arc hybrid welding by mounting an arc welding gun head on a laser welding gun head. However, the relative positions of the arc welding gun head and the laser welding gun head in the existing laser-arc hybrid welding device are relatively fixed, which can only achieve a single type of welding and cannot meet the welding needs of multiple scenarios.

[0004] Therefore, there is an urgent need to provide a laser arc hybrid welding device to solve the above problems. Utility Model Content

[0005] The purpose of this application is to solve or at least alleviate part or all of the above problems. To this end, the purpose of this application is to provide a laser arc hybrid welding device and welding equipment that can realize various forms of welding and is flexible in operation.

[0006] In order to achieve the above objectives, this application adopts the following technical solutions:

[0007] In a first aspect, the present application provides a laser arc hybrid welding device, comprising an arc welding mechanism and a laser welding mechanism, wherein the laser welding mechanism comprises a housing and a laser welding gun head mounted on the housing, and the arc welding mechanism is capable of rotating relative to the housing about a second axis; the arc welding mechanism comprises:

[0008] Arc welding gun heads;

[0009] a rotating assembly, the rotating assembly comprising a rotating body and a rotating driver, the rotating body being rotatably sleeved outside the housing around the second axis, the rotating driver being used to drive the rotating body to rotate around the second axis;

[0010] A spatial position adjustment module is installed on the rotating body, and an output end of the spatial position adjustment module is connected to the arc welding gun head and is used to adjust the relative position between the arc welding gun head and the laser welding gun head.

[0011] As an optional solution for the laser arc hybrid welding device, the rotating assembly also includes a first gear and a second gear, the first gear is transmission-connected to the output end of the rotating driver, the second gear is meshed with the first gear and fixedly connected to the rotating body, and the rotating driver drives the first gear to rotate so that the second gear drives the rotating body to rotate around the second axis.

[0012] As an optional solution of the laser arc hybrid welding device, the spatial position adjustment module includes:

[0013] An angle adjustment assembly, the angle adjustment assembly is used to adjust the angle between the arc welding gun head and the laser welding gun head;

[0014] a first translation drive assembly, wherein an output end of the first translation drive assembly is connected to the angle adjustment assembly and is used to drive the angle adjustment assembly to drive the arc welding gun head to move along a first direction;

[0015] a lifting drive assembly, wherein an output end of the lifting drive assembly is connected to the first translation drive assembly and is used to drive the first translation drive assembly to drive the angle adjustment assembly and the arc welding gun head to move along the second direction;

[0016] A second translation drive assembly, wherein the output end of the second translation drive assembly is connected to the lifting drive assembly, and is used to drive the lifting drive assembly to drive the first translation drive assembly, the angle adjustment assembly and the arc welding gun head to move along a third direction, wherein the first direction, the second direction and the third direction are perpendicular to each other.

[0017] As an optional solution of the laser arc hybrid welding device, the angle adjustment component includes:

[0018] a first mounting plate, the first mounting plate having a plurality of mounting holes spaced apart around an axis of the first mounting plate;

[0019] A second mounting plate, the second mounting plate is used to connect the arc welding gun head, the second mounting plate has an arc hole, the center of the arc hole coincides with the axis of the first mounting plate, a fastener passes through the arc hole and is connected to the mounting hole, and the second mounting plate can rotate around the axis of the first mounting plate relative to the first mounting plate.

[0020] As an optional solution of the laser arc hybrid welding device, the angle adjustment assembly further includes a mounting member, which is fixed to the second mounting plate and is used to mount the arc welding gun head.

[0021] As an optional solution of the laser arc hybrid welding device, the first translation drive assembly includes:

[0022] a first fixing member, the first fixing member being used for being fixedly connected to the first mounting plate;

[0023] A first translation driver, wherein an output end of the first translation driver is connected to the first fixing member and is used to drive the first fixing member to move along a first horizontal direction.

[0024] As an optional solution of the laser arc hybrid welding device, the lifting drive assembly includes:

[0025] a second fixing member, the second fixing member being configured to be fixedly connected to the first translation driver;

[0026] A lifting driver, wherein the output end of the lifting driver is connected to the second fixing member and is used to drive the second fixing member to move along the second direction.

[0027] As an optional solution of the laser arc hybrid welding device, the second translation drive assembly includes:

[0028] a third fixing member, the third fixing member being used to be fixedly connected to the lifting drive;

[0029] A second translation driver, wherein an output end of the second translation driver is connected to the third fixing member and is used to drive the third fixing member to move along a third direction.

[0030] As an optional solution of the laser arc hybrid welding device, the laser welding mechanism further includes an optical component mounted on the housing, and the optical component includes:

[0031] a laser capable of generating pulsed laser light;

[0032] a first reflector having a first reflective surface;

[0033] a second reflector having a second reflective surface;

[0034] a rotary driver configured to drive the second reflector to rotate about a first axis and enable the second reflective surface to have a working position parallel to the first reflective surface and receive the laser light reflected by the first reflective surface;

[0035] When the second reflecting surface is in the working position, the laser light reflected by the second reflecting surface is emitted along a second axis, and the second axis is perpendicular to the first axis.

[0036] In a second aspect, the present application provides a welding device comprising a robotic arm and the laser arc hybrid welding device as described above, wherein the robotic arm is used to adjust the position of the welding end of the laser arc hybrid welding device in space.

[0037] As an optional solution of the welding equipment, the robotic arm includes:

[0038] a first swing drive mechanism, the output end of which is connected to the laser welding mechanism and is used to drive the laser arc hybrid welding device to swing around a fourth axis, wherein the fourth axis is parallel to the first axis;

[0039] a second swing drive mechanism, the output end of which is connected to the first swing drive mechanism and is used to drive the first swing drive mechanism and the laser arc hybrid welding device to swing around a fifth axis, wherein the fifth axis is perpendicular to the fourth axis and the second axis;

[0040] The rotary drive mechanism has an output end connected to the second swing drive mechanism and is used to drive the second swing drive mechanism, the first swing drive mechanism and the laser arc hybrid welding device to rotate around the second axis.

[0041] The beneficial effects of this application are:

[0042] The laser arc hybrid welding device provided in the present application includes an arc welding mechanism and a laser welding mechanism. The laser welding mechanism includes a shell and a laser welding gun head installed on the shell. The arc welding mechanism includes an arc welding gun head, a rotating assembly and a spatial position adjustment module. The rotating assembly includes a rotating body and a rotating driver. The rotating body is rotatably mounted outside the shell around a second axis, and the rotating driver is used to drive the rotating body to rotate around the second axis; the spatial position adjustment module is installed on the rotating body, and the output end of the spatial position adjustment module is connected to the arc welding gun head and is used to adjust the relative position between the arc welding gun head and the laser welding gun head to realize three welding modes: collaborative operation of the arc welding gun head and the laser welding gun head, independent operation of the arc welding gun head, and independent operation of the laser welding gun head, thereby improving the flexibility of the laser arc hybrid welding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments of the present application. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present application and these drawings without any creative work.

[0044] Figure 1 Shows a structural schematic diagram of the welding equipment provided by this application;

[0045] Figure 2 The structure diagram of the laser welding mechanism provided by the present application is shown;

[0046] Figure 3 Shown Figure 2 Schematic cross-sectional view of the laser welding mechanism;

[0047] Figure 4 Shown Figure 3 Schematic diagram of the optical path of the laser welding mechanism;

[0048] Figure 5 shows a schematic structural diagram of the second reflector provided by the present application;

[0049] Figure 6 The schematic diagram of the structure of the laser arc hybrid welding device provided by the present application is shown;

[0050] Figure 7 Shown Figure 6 A schematic cross-sectional view of the arc welding mechanism;

[0051] Figure 8 Shown Figure 6 Schematic diagram of the structure of the arc welding mechanism.

[0052] Reference numerals:

[0053] 100, laser welding mechanism; 200, arc welding mechanism; 300, first swing driving mechanism; 400, second swing driving mechanism;

[0054] 1. Shell;

[0055] 21. Laser; 22. First reflector; 221. First reflective surface; 23. Second reflector; 231. Second reflective surface; 24. Rotary drive; 25. Collimator; 26. Beam reducer; 27. Focusing mirror; 28. Beam combiner; 29a. First protective sheet; 29b. Second protective sheet; 29c. Third protective sheet; 29d. Fourth protective sheet;

[0056] 3. Monitoring components;

[0057] 4. Laser welding gun head;

[0058] 5. Arc welding gun head;

[0059] 6. Rotating assembly; 61. Rotating body; 62. Rotating driver; 63. First gear; 64. Second gear;

[0060] 71. First translation drive assembly; 711. First fixing member; 712. First translation drive; 72. Lifting drive assembly; 721. Second fixing member; 722. Lifting drive; 73. Second translation drive assembly; 731. Third fixing member; 732. Second translation drive; 74. Angle adjustment assembly; 741. First mounting plate; 742. Second mounting plate; 7421. Arc hole; 743. Mounting member. DETAILED DESCRIPTION

[0061] Before any embodiments of the present application are explained in detail, it is to be understood that the application is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the foregoing drawings.

[0062] In this application, the terms "comprises," "includes," "has," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0063] In this application, the term "and / or" describes a relationship between related objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone. Additionally, the character " / " in this application generally indicates that the related objects are in an "and / or" relationship.

[0064] In this application, the terms "connect," "combine," "couple," and "install" may refer to direct connection, combination, coupling, or installation, or indirect connection, combination, coupling, or installation. For example, a direct connection refers to two parts or components being connected together without an intermediary, and an indirect connection refers to two parts or components being connected to at least one intermediary, with the two parts or components being connected via the intermediary. Furthermore, "connect" and "couple" are not limited to physical or mechanical connections or couplings and may include electrical connections or couplings.

[0065] In this application, it will be understood by those skilled in the art that relative terms (e.g., "about," "approximately," "substantially," etc.) used in conjunction with quantities or conditions include the values ​​and have the meaning indicated by the context. For example, the relative terms include at least the degree of error associated with the measurement of a specific value, the tolerance caused by manufacturing, assembly, use, etc. associated with a specific value. Such terms should also be considered to disclose a range defined by the absolute values ​​of the two endpoints. Relative terms may refer to plus or minus a certain percentage (e.g., 1%, 5%, 10% or more) of the indicated value. Numerical values ​​that do not use relative terms should also be disclosed as specific values ​​with tolerances. In addition, "substantially" may refer to plus or minus a certain degree (e.g., 1 degree, 5 degrees, 10 degrees or more) on the basis of the indicated angle when expressing a relative angular position relationship (e.g., substantially parallel, substantially perpendicular).

[0066] In this application, it will be understood by those skilled in the art that the function performed by an assembly can be performed by one assembly, multiple assemblies, one part, or multiple parts. Similarly, the function performed by a part can also be performed by one part, one assembly, or a combination of multiple parts.

[0067] In the present application, the terms "upper", "lower", "left", "right", "front", "back" and other directional words are described based on the orientation and positional relationship shown in the accompanying drawings, and should not be understood as limiting the embodiments of the present application. In addition, in the context, it is also necessary to understand that when it is mentioned that an element is connected to another element "upper" or "lower", it can not only be directly connected to the other element "upper" or "lower", but also be indirectly connected to the other element "upper" or "lower" through an intermediate element. It should also be understood that directional words such as upper side, lower side, left side, right side, front side, back side, etc. not only represent the positive orientation, but can also be understood as the lateral orientation. For example, below can include directly below, lower left, lower right, lower front and lower back, etc.

[0068] Figure 1 The schematic diagram of the structure of the welding equipment provided by this application is shown in FIG. Figure 1 As shown, the welding equipment provided in the present application includes a robotic arm and a laser arc hybrid welding device. The robotic arm is used to adjust the position of the welding end of the laser arc hybrid welding device in space. The laser arc hybrid welding device includes a laser welding mechanism 100 and an arc welding mechanism 200, which can realize laser welding, arc welding or laser arc hybrid welding of the weld to meet various welding requirements.

[0069] like Figure 1As shown, in order to facilitate the explanation of the structure of the welding equipment provided in this application, the first axis, the second axis, the third axis, the fourth axis and the fifth axis are introduced as reference datums, wherein the first axis is parallel to the fourth axis, the second axis is parallel to the third axis, and the fifth axis is perpendicular to the first axis and the second axis.

[0070] The robotic arm includes a first swing drive mechanism 300, the output end of which is connected to the laser welding mechanism 100 and is used to drive the laser arc hybrid welding device as a whole to swing around the fourth axis. The position of the welding end of the laser welding mechanism 100 and the welding end of the arc welding mechanism 200 can be adjusted to achieve welding of welds in different positions, thereby improving the flexibility of welding equipment operation.

[0071] The robotic arm also includes a second swing drive mechanism 400, the output end of which is connected to the first swing drive mechanism 300, and is used to drive the first swing drive mechanism 300 and the laser arc hybrid welding device as a whole to swing around the fifth axis. The position of the welding end of the laser welding mechanism 100 and the welding end of the arc welding mechanism 200 can be adjusted to achieve welding of welds in different positions, thereby improving the flexibility of the welding equipment operation.

[0072] The robotic arm also includes a rotary drive mechanism, the output end of which is connected to the second swing drive mechanism 400 and is used to drive the second swing drive mechanism 400, the first swing drive mechanism 300, and the laser arc hybrid welding device to rotate about a second axis. This mechanism adjusts the angle between the swinging laser light generated by the laser welding mechanism 100 and the weld seam, thereby improving the welding effect. It should be noted that when the swinging laser light is perpendicular to the weld seam, the welding effect is better than when the swinging laser light is parallel to the weld seam.

[0073] In this embodiment, the robotic arm may include only the first swing drive mechanism 300 and the second swing drive mechanism 400. In another embodiment, the robotic arm may further include the first swing drive mechanism 300, the second swing drive mechanism 400, and a rotation drive mechanism to achieve multi-directional adjustment of the position of the welding end of the laser welding mechanism 100 and the welding end of the arc welding mechanism 200, thereby improving the operational flexibility of the welding equipment. In yet another embodiment, the robotic arm may further include any one of the first swing drive mechanism 300, the second swing drive mechanism 400, and the rotation drive mechanism. The specific design can be based on actual needs and is not limited here.

[0074] Figure 2 FIG. 1 shows a structural schematic diagram of the laser welding mechanism 100 provided in this application. Figure 3 Shown Figure 2 Schematic cross-sectional view of the laser welding mechanism 100. Figures 2 to 3As shown, the laser welding mechanism 100 includes a shell 1, an optical component and a laser welding gun head 4. The optical component and the laser welding gun head 4 are both installed in the shell 1. The optical component is used to generate an oscillating laser, which is emitted from the laser welding gun head 4 to achieve laser oscillating welding.

[0075] In addition, the laser welding mechanism 100 also includes a monitoring component 3, which includes a camera and a lens. The camera can be an industrial CCD camera to monitor the laser generated by the optical component to facilitate the welding operation of the staff.

[0076] Figure 4 Shown Figure 3 Schematic diagram of the optical path of the laser welding mechanism 100. Figure 4 Combine Figure 3 As shown, the optical component includes a laser 21, a first reflector 22, a second reflector 23 and a rotation driver 24. The laser 21 can generate pulsed laser. The first reflector 22 has a first reflective surface 221; the second reflector 23 has a second reflective surface 231. The rotation driver 24 is used to drive the second reflector 23 to rotate around the first axis, and make the second reflective surface 231 have a working position parallel to the first reflective surface 221 and receive the laser reflected by the first reflective surface 221. When the second reflective surface 231 is in the working position, the laser reflected by it is reflected along the second axis, and during the rotation of the second reflective surface 231, the laser reflected by it will swing.

[0077] This is because the laser light emitted by the laser 21 is pulsed, meaning it is emitted intermittently. This ensures that when the second reflective surface 231 is in the operating position, the laser 21 emits laser light, and when the second reflective surface 231 is in the non-operating position, the laser 21 does not emit laser light. Furthermore, when the second reflective surface 231 is in the operating position, it tends to rotate about the first axis. At this time, the laser light reflected by the second reflective surface 231 deflects as the second reflective surface 231 rotates, thereby generating an oscillating laser light and achieving laser oscillation welding.

[0078] It is understandable that when the laser welding mechanism 100 is in the working state, the frequency of the pulsed laser emitted by the laser 21 needs to match the rotational speed of the second reflector 23. When the second reflective surface 231 is in the working position, the laser 21 emits laser light, and the first reflective surface 221 receives the laser light and reflects the laser light to the second reflective surface 231. At this time, the laser welding mechanism 100 generates an oscillating laser light. When the second reflective surface 231 is in the non-working position, the laser 21 does not emit laser light. At this time, the laser welding mechanism 100 does not generate an oscillating laser light. Among them, the relationship between the frequency of the pulsed laser light generated by the laser 21 and the rotational speed of the second reflector 23 can be obtained and verified by numerical calculation and experimental simulation, which will not be repeated here.

[0079] The angle between the first reflecting surface 221 and the first axis is an acute angle. That is, when the second reflecting surface 231 is in the working position, the angle between the second reflecting surface 231 and the first axis is also an acute angle. In this embodiment, the angle between the first reflecting surface 221 and the first axis is 45°, which facilitates processing and design. In other embodiments, the angle between the first reflecting surface 221 and the first axis can also be any value such as 30°, 50°, 60°, 75°, etc., which is not limited here. In one embodiment, the number of second reflecting surfaces 231 can be any number, such as any number of 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10. It should be noted that, when the number of the second reflecting surfaces 231 is one, the second reflecting mirror 23 can be formed by making a bevel cut on a cylinder to form the second reflecting surface 231; when the number of the second reflecting surfaces 231 is two, the second reflecting mirror 23 can be formed by making two bevel cuts on a cylinder to form two symmetrically arranged second reflecting surfaces 231; when the number of the second reflecting surfaces 231 is three or more, the second reflecting mirror 23 is in the shape of a truncated pyramid as a whole, and the prisms are the second reflecting surfaces 231.

[0080] Figure 5 FIG. 2 shows a schematic structural diagram of the second reflector 23 provided in this application. Figure 5 As shown, there are six second reflective surfaces 231, which are evenly spaced around the first axis. When laser light strikes a second reflective surface 231, it rotates about the first axis under the action of a rotary actuator 24, causing the laser light to deflect and oscillate. The duration of laser light exposure within one of the second reflective surfaces 231 determines the amplitude of the laser oscillation, and the rotation speed of the second reflector 23 driven by the rotary actuator 24 determines the frequency of the laser oscillation. Assume that when one of the second reflective surfaces 231 is in its working position, the laser light emission time is 10 ms. When two adjacent second reflective surfaces 231 intersect, the laser light is turned off. Then, when the next second reflective surface 231 is in its working position, the laser light is emitted again for 10 ms. This results in a frequent on-off-on-off cycle, resulting in frequent laser oscillation. In other embodiments, the number of second reflective surfaces 231 can be one, two, or three or more, and these examples are not further illustrated here.

[0081] For example, when the rotary driver 24 uses a servo motor and the servo motor's speed is 3000 r / min, or 50 r / s, then if there is only one second reflective surface 231, the laser will oscillate 50 times per second, or at a frequency of 50 Hz. When there are six second reflective surfaces 231, the oscillation frequency is 50 Hz*6, or 300 Hz, which is significantly superior to the 40 Hz frequency of the existing galvanometer motor. As can be seen from the above, the fewer the second reflective surfaces 231, the greater the laser oscillation amplitude, but the lower the frequency. The greater the number of second reflective surfaces 231, the smaller the laser oscillation amplitude, and the higher the frequency. The specific selection can be made based on the actual application, and no further examples will be given here.

[0082] Continue to see Figures 3 and 4 As shown, the laser light emitted by laser 21 is emitted along a third axis, where the third axis is parallel to the second axis. For example, the laser light emitted by laser 21 is a point light source with a Gaussian energy distribution. The optical assembly also includes a collimator 25, which is used to converge the point light source into a parallel beam. Collimator 25 can be a collimator known in the art and will not be described in detail here.

[0083] The optical assembly also includes a beam reducer 26, and a collimator 25 is located between the laser 21 and the beam reducer 26. That is, the laser 21, the collimator 25, and the beam reducer 26 are spaced apart along the third axis. The laser light emitted by the laser 21 forms a light beam after passing through the collimator 25, and then the light beam passes through the beam reducer 26 and irradiates the first reflective surface 221. The beam reducer 26 is used to reduce the diameter of the light beam to a beam with a smaller diameter. In this embodiment, the number of beam reducers 26 is two, and the two beam reducers 26 are spaced apart along the third axis. In other embodiments, the number of beam reducers 26 can also be any number, such as one, three, or four, and is not limited here.

[0084] In one embodiment, the first reflector 22 may be a reflective flat copper mirror, the interior of which may be cooled by water to reduce the temperature of the reflective flat copper mirror and ensure stable operation under high-power laser irradiation.

[0085] The optical assembly further includes a focusing mirror 27. The focusing mirror 27 and the second reflector 23 are spaced apart along the second axis, with the focusing mirror 27 located downstream of the second reflector 23. The focusing mirror 27 is used to focus the laser light reflected by the second reflective surface 231. The focused laser light can then oscillate to achieve laser oscillation welding.

[0086] The optical assembly also includes protective sheets. At least one protective sheet is positioned between the collimating lens 25 and the laser 21. At least one protective sheet is positioned downstream of the focusing lens 27 along the second axis. In this embodiment, two protective sheets are positioned between the collimating lens 25 and the laser 21: a first protective sheet 29a and a second protective sheet 29b. Downstream of the focusing lens 27 are two protective sheets: a third protective sheet 29c and a fourth protective sheet 29d. The first, second, third, and fourth protective sheets 29a, 29b, 29c, and 29d protect the internal lenses from contamination, improving the welding quality of the laser welding mechanism 100.

[0087] Figure 6 The schematic diagram of the structure of the laser arc hybrid welding device provided by the present application is shown in FIG. Figure 6 As shown, the arc welding mechanism 200 is capable of rotating about a second axis relative to the laser welding mechanism 100. Specifically, the arc welding mechanism 200 includes an arc welding gun head 5 and a rotating assembly 6. The rotating assembly 6 includes a rotating body 61 and a rotating driver 62. The arc welding gun head 5 is connected to the rotating body 61. The rotating body 61 is rotatably mounted outside the housing 1 about the second axis. The rotating driver 62 is used to drive the rotating body 61 to rotate about the second axis, thereby achieving rotation of the arc welding gun head 5 about the second axis. For example, the arc welding gun head 5 can select an arc welding gun head in the prior art, and the working principle of the arc welding gun head 5 will not be described in detail here.

[0088] Figure 7 Shown Figure 6 Schematic cross-sectional view of the arc welding mechanism 200. Figure 7 As shown, the rotating assembly 6 further includes a first gear 63 and a second gear 64. The first gear 63 is drivingly connected to the output end of the rotating driver 62. The second gear 64 meshes with the first gear 63 and is fixedly connected to the rotating body 61. The rotating driver 62 drives the first gear 63 to rotate, thereby causing the second gear 64 to drive the rotating body 61 to rotate about the second axis. For example, the rotating driver 62 can be a servo motor, which has advantages such as high positioning accuracy, speed control, and fast dynamic response.

[0089] Figure 8 Shown Figure 6 Schematic diagram of the structure of the arc welding mechanism 200. Figure 8 As shown, the arc welding mechanism 200 also includes a spatial position adjustment module, which is installed on the rotating body 61. The output end of the spatial position adjustment module is connected to the arc welding gun head 5 and is used to adjust the relative position between the arc welding gun head 5 and the laser welding gun head 4.

[0090] In this embodiment, the spatial position adjustment module includes an angle adjustment component 74, a first translation drive component 71, a lifting drive component 72 and a second translation drive component 73. The angle adjustment component 74 is used to adjust the angle between the arc welding gun head 5 and the laser welding gun head 4; the output end of the first translation drive component 71 is connected to the angle adjustment component 74 and is used to drive the angle adjustment component 74 to drive the arc welding gun head 5 to move along the first direction; the output end of the lifting drive component 72 is connected to the first translation drive component 71 and is used to drive the first translation drive component 71 to drive the angle adjustment component 74 and the arc welding gun head 5 to move along the second direction; the output end of the second translation drive component 73 is connected to the lifting drive component 72 and is used to drive the lifting drive component 72 to drive the first translation drive component 71, the angle adjustment component 74 and the arc welding gun head 5 to move along the third direction, wherein the first direction, the second direction and the third direction are perpendicular to each other, the first direction is parallel to the fifth axis, the second direction is parallel to the second axis, and the third direction is parallel to the first axis.

[0091] In other embodiments, the spatial position adjustment module may also include only one, two, or three of the angle adjustment component 74, the first translation drive component 71, the lifting drive component 72, and the second translation drive component 73. The specific design can be based on needs and is not limited here.

[0092] The angle adjustment assembly 74 includes a first mounting plate 741 and a second mounting plate 742. The first mounting plate 741 has a plurality of mounting holes spaced about its axis. The second mounting plate 742 is used to connect the arc welding gun head 5. The second mounting plate 742 has a circular hole 7421, the center of which coincides with the axis of the first mounting plate 741. A fastener passes through the circular hole 7421 and connects to the mounting hole. The second mounting plate 742 is rotatable relative to the first mounting plate 741 about its axis. To adjust the relative angle of the arc welding gun head 5 with respect to the laser welding gun head 4, the fastener is first loosened, then the second mounting plate 742 is rotated to adjust the arc welding gun head 5 to the desired position, and then the fastener is tightened. For example, the fastener may be a bolt or a bolt-nut assembly, without limitation.

[0093] Furthermore, the angle adjustment assembly 74 also includes a mounting member 743, which is fixed to the second mounting plate 742 and is used to mount the arc welding gun head 5. Specifically, the mounting member 743 has a mounting hole, through which the arc welding gun head 5 is inserted. This design not only facilitates the installation of the arc welding gun head 5, but also, by adjusting the structure of the mounting member 743, can prevent interference between the arc welding gun head 5 and the structure of the spatial position adjustment module.

[0094] The first translation drive assembly 71 includes a first fixing member 711 and a first translation driver 712. The first fixing member 711 is fixedly connected to the first mounting plate 741. The output end of the first translation driver 712 is connected to the first fixing member 711 and is used to drive the first fixing member 711 to move in a first horizontal direction. The first fixing member 711 can drive the first mounting plate 741 to move in the first direction, thereby driving the second mounting plate 742 connected to the first mounting plate 741 and the arc welding gun head 5 to move in the first direction.

[0095] The lifting drive assembly 72 includes a second fixing member 721 and a lifting driver 722. The second fixing member 721 is used to be fixedly connected to the first translation driver 712; the output end of the lifting driver 722 is connected to the second fixing member 721 and is used to drive the second fixing member 721 to move along the second direction. The second fixing member 721 can drive the first translation drive assembly 71, the angle adjustment assembly 74 and the arc welding gun head 5 to move along the second direction.

[0096] The second translation drive assembly 73 includes a third fixing member 731 and a second translation driver 732. The third fixing member 731 is used to be fixedly connected to the lifting driver 722. The output end of the second translation driver 732 is connected to the third fixing member 731 and is used to drive the third fixing member 731 to move along the third direction. The third fixing member 731 can drive the lifting drive assembly 72, the first translation drive assembly 71, the angle adjustment assembly 74 and the arc welding gun head 5 to move along the third direction.

[0097] In this embodiment, the arc welding mechanism 200 can adjust the position of the arc welding gun head 5 through the spatial position adjustment module to realize three welding modes: the arc welding gun head 5 and the laser welding gun head 4 work together, the arc welding gun head 5 works independently, and the laser welding gun head 4 works independently, thereby improving the flexibility of the welding equipment.

[0098] The above shows and describes the basic principles, main features and advantages of this application. Those skilled in the art should understand that the above embodiments do not limit this application in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation fall within the scope of protection of this application.

Claims

1. A laser arc hybrid welding device, characterized in that: The invention comprises an arc welding mechanism (200) and a laser welding mechanism (100), wherein the laser welding mechanism (100) comprises a housing (1) and a laser welding gun head (4) mounted on the housing (1), and the arc welding mechanism (200) is capable of rotating around a second axis relative to the housing (1); the arc welding mechanism (200) comprises: Arc welding gun head (5); A rotating assembly (6), the rotating assembly (6) comprising a rotating body (61) and a rotating driver (62), the rotating body (61) being rotatably sleeved outside the housing (1) around the second axis, the rotating driver (62) being used to drive the rotating body (61) to rotate around the second axis; A spatial position adjustment module is installed on the rotating body (61), an output end of the spatial position adjustment module is connected to the arc welding gun head (5), and is used to adjust the relative position between the arc welding gun head (5) and the laser welding gun head (4).

2. The laser arc hybrid welding device according to claim 1, characterized in that: The rotating assembly (6) further comprises a first gear (63) and a second gear (64), wherein the first gear (63) is in transmission connection with the output end of the rotating driver (62), and the second gear (64) is meshed with the first gear (63) and fixedly connected to the rotating body (61), and the rotating driver (62) drives the first gear (63) to rotate so that the second gear (64) drives the rotating body (61) to rotate around the second axis.

3. The laser arc hybrid welding device according to claim 2, characterized in that: The spatial position adjustment module includes: An angle adjustment assembly (74), the angle adjustment assembly (74) being used to adjust the angle between the arc welding gun head (5) and the laser welding gun head (4); a first translation drive assembly (71), wherein an output end of the first translation drive assembly (71) is connected to the angle adjustment assembly (74) and is used to drive the angle adjustment assembly (74) to drive the arc welding gun head (5) to move along a first direction; a lifting drive assembly (72), wherein an output end of the lifting drive assembly (72) is connected to the first translation drive assembly (71) and is used to drive the first translation drive assembly (71) to drive the angle adjustment assembly (74) and the arc welding gun head (5) to move along a second direction; A second translation drive assembly (73), the output end of which is connected to the lifting drive assembly (72), and is used to drive the lifting drive assembly (72) to drive the first translation drive assembly (71), the angle adjustment assembly (74) and the arc welding gun head (5) to move along a third direction, wherein the first direction, the second direction and the third direction are perpendicular to each other.

4. The laser arc hybrid welding device according to claim 3, characterized in that: The angle adjustment assembly (74) includes: A first mounting plate (741), wherein the first mounting plate (741) has a plurality of mounting holes spaced apart around an axis of the first mounting plate (741); a second mounting plate (742), the second mounting plate (742) being used to connect the arc welding gun head (5), the second mounting plate (742) having a circular arc hole (7421), the center of the circular arc hole (7421) coinciding with the axis of the first mounting plate (741), a fastener passing through the circular arc hole (7421) and connected to the mounting hole, the second mounting plate (742) being rotatable relative to the first mounting plate (741) around the axis of the first mounting plate (741); and / or The first translation drive assembly (71) comprises: a first fixing member (711), the first fixing member (711) being used for fixedly connecting to the angle adjustment assembly (74); a first translation driver (712), wherein an output end of the first translation driver (712) is connected to the first fixing member (711) and is used to drive the first fixing member (711) to move along a first horizontal direction; and / or The lifting drive assembly (72) includes: a second fixing member (721), the second fixing member (721) being used for fixedly connecting to the first translation drive assembly (71); a lifting driver (722), wherein an output end of the lifting driver (722) is connected to the second fixing member (721) and is used to drive the second fixing member (721) to move in a second direction; and / or The second translation drive assembly (73) comprises: a third fixing member (731), the third fixing member (731) being used for fixedly connecting to the lifting drive assembly (72); A second translation driver (732), wherein an output end of the second translation driver (732) is connected to the third fixing member (731) and is used to drive the third fixing member (731) to move along a third direction.

5. The laser arc hybrid welding device according to claim 4, characterized in that: The angle adjustment assembly (74) further includes a mounting member (743), wherein the mounting member (743) is fixed to the second mounting plate (742), and the mounting member (743) is used for mounting the arc welding gun head (5).

6. The laser arc hybrid welding device according to any one of claims 1 to 5, characterized in that: The laser welding mechanism (100) further comprises an optical component mounted on the housing (1), the optical component being used to generate an oscillating laser; the optical component comprising: a laser (21), wherein the laser (21) is capable of generating pulsed laser light; a first reflector (22), wherein the first reflector (22) has a first reflective surface (221); a second reflecting mirror (23), the second reflecting mirror (23) having a second reflecting surface (231); a rotation driver (24), the rotation driver (24) being used to drive the second reflector (23) to rotate about a first axis, and to enable the second reflective surface (231) to have a working position parallel to the first reflective surface (221) and to receive laser light reflected by the first reflective surface (221); When the second reflecting surface (231) is in the working position, the laser light reflected by the second reflecting surface (231) is emitted along a second axis, and the second axis is perpendicular to the first axis.

7. A welding device, characterized in that: It comprises a robotic arm and the laser arc hybrid welding device according to any one of claims 1 to 6, wherein the robotic arm is used to adjust the position of the welding end of the laser arc hybrid welding device in space.

8. The welding device according to claim 7, characterized in that The mechanical arm comprises a first swing drive mechanism (300), the output end of which is connected to the laser welding mechanism (100) and is used to drive the laser arc hybrid welding device to swing around a fourth axis, wherein the fourth axis is parallel to the first axis.

9. The welding device according to claim 8, characterized in that The robotic arm further comprises a second swing drive mechanism (400), the output end of the second swing drive mechanism (400) being connected to the first swing drive mechanism (300) and being used to drive the first swing drive mechanism (300) and the laser arc hybrid welding device to swing around a fifth axis, wherein the fifth axis is perpendicular to both the fourth axis and the second axis.

10. The welding device according to claim 9, characterized in that The robotic arm further comprises a rotation drive mechanism, the output end of which is connected to the second swing drive mechanism (400) and is used to drive the second swing drive mechanism (400), the first swing drive mechanism (300) and the laser arc hybrid welding device to rotate around the second axis.

Images