CN105643106A - Multifunctional laser-arc composite machining device and method - Google Patents

Abstract

The invention provides a multifunctional laser-arc composite machining device and method and belongs to the field of laser machining. The multifunctional laser-arc composite machining device comprises a connecting bottom plate, a supporting seat, a first moving platform assembly and a second moving platform assembly. The supporting seat is installed on the connecting bottom plate. The first moving platform assembly comprises a first two-dimensional fine adjustment sliding table and a first installation frame. The first installation frame is installed on the first two-dimensional fine adjustment sliding table. The second moving platform assembly comprises a second two-dimensional fine adjustment sliding table and a second installation frame. The second installation frame is installed on the second two-dimensional fine adjustment sliding table. The first moving platform assembly and the second moving platform assembly are located on the two sides, in the direction perpendicular to the plate face of the connecting bottom plate, of the supporting seat, and the supporting seat, the first moving platform assembly and the second moving platform assembly are located on the same side of the connecting bottom plate. When the composite device is used, multiple laser machining functions can be achieved, the beneficial effects of the multiple functions, high flexibility and high transportability are achieved, the freedom degree is high, heat source space parameter adjustment is convenient, and the technology adjustable range is wide.

Description

Multifunctional laser-arc composite processing device and method

technical field

The invention relates to the field of laser processing, in particular to a multifunctional laser-arc composite processing device and method.

Background technique

Single laser welding has high efficiency, but its disadvantages such as high welding cost, strict tooling requirements, and prone to welding defects restrict this technology; single arc welding has low energy density, and its welding efficiency is low (such as: low welding speed, deep penetration shallower, larger heat-affected zone, etc.). In order to effectively make up for the lack of heat sources, expand the application range of laser welding technology, improve laser welding efficiency and welding quality, and effectively use arc energy at the same time. The researchers combined these two heat sources with different physical properties and energy transfer mechanisms, and acted on the same position of the workpiece at the same time. During the welding process, the laser and the arc interact to give full play to their respective advantages and complement each other: the laser attracts and compresses the arc, which reduces the voltage of the arc and increases the current density of the arc, thereby increasing the weld penetration. Enhance the stability of the welding process; the addition of the arc reduces the requirements of laser welding for the assembly accuracy of the workpiece, and at the same time increases the absorption rate of the laser energy by the workpiece. The combination of laser and arc forms a new high-efficiency welding heat source.

The inventor found in the research that there are at least the following shortcomings in the laser-arc use process in the prior art:

First, the existing technology mainly adopts laser-arc coaxial compounding. The coaxial compounding device requires the design of the laser output head and the electrode, and requires a specially designed hollow electrode. The electrode and the laser output head need to be designed with a special insulation and isolation mechanism, and the structure is complex. , Difficult to process; especially the two heat sources can hardly be adjusted with the process parameters, and the process adjustment range is narrow;

Second, the combined mechanical structure of the laser output head and the arc welding torch is relatively fixed, and the cooperation between the laser heat source and the arc heat source is not conducive to adjustment or the adjustable range is small, flexible and convenient, and the two heat sources cannot be effectively coordinated.

Contents of the invention

The purpose of the present invention is to provide a multi-functional laser-arc hybrid processing device and method to improve the complex structure, small processing range, high manufacturing cost and poor welding effect of the prior art laser-arc hybrid welding equipment. The device has the advantages of high flexibility, strong portability, multi-function and convenient parameter adjustment.

The present invention is achieved like this:

Based on the above purpose, the present invention provides a multifunctional laser-arc composite processing equipment, including a connecting base plate, a support seat, a first mobile platform assembly and a second mobile platform assembly, wherein:

The support seat is installed on a surface of the connecting bottom plate, and the support seat is used for installing the laser output head; the first mobile platform assembly includes a first two-dimensional fine-tuning slide table and a first mounting frame, and the first A mounting frame is installed on the first two-dimensional fine-tuning slide; the second mobile platform assembly includes a second two-dimensional fine-tuning slide and a second mounting frame, and the second mounting frame is mounted on the second two-dimensional The fine-tuning slide table, the first mobile platform assembly and the second mobile platform assembly are respectively located on both sides of the support base perpendicular to the board surface direction of the connecting bottom plate, and the support base, the first The mobile platform assembly and the second mobile platform assembly are located on the same side of the connecting bottom plate.

Preferably, the support seat includes two support plates spaced in parallel and a fixed plate between the two support plates, the fixed plate is vertically installed on the support plate, and the two support plates are installed on the The connecting bottom plate, the plate surface of the fixing plate is parallel to the plate surface of the connecting bottom plate.

Preferably, the fixing plate is provided with a plurality of first fixing holes, the axes of the first fixing holes are perpendicular to the surface of the fixing plate; each of the supporting plates is respectively provided with a plurality of second A fixing hole, the axis of the second fixing hole is perpendicular to the board surface of the supporting board.

Preferably, the first installation frame includes an adapter plate, a connection plate and an adjustment plate, the adapter plate is installed on the first two-dimensional fine-tuning slide table, the connection plate is vertically installed on the adapter plate, The adjusting plate is installed on the connecting plate, and the adjusting plate is provided with a mounting hole, and the axis line of the second mounting hole is parallel to the board surface of the connecting bottom plate.

Preferably, the first mounting frame further includes an adapter, the adapter includes a first adapter portion and a second adapter portion connected to the first adapter portion, the first adapter portion and the first adapter portion The second transfer part is arranged obliquely, the first transfer part is mounted on the connection plate, and the adjustment plate is mounted on the second transfer part.

Preferably, the adjustment plate is rotatably connected to the second transfer portion, and the rotation axis of the adjustment plate and the second transfer portion is perpendicular to the board surface of the connecting bottom plate.

Preferably, the second installation frame includes a fine-tuning rotary table, a rotating rod and a cantilever, the fine-tuning rotary table is installed on the connecting bottom plate, and the rotation axis of the fine-tuning rotary table is perpendicular to the surface of the connecting bottom plate, so One end of the rotating rod is installed on the fine-tuning rotary table, and the other end is installed on the cantilever, and the cantilever is used for installing an arc welding torch.

Preferably, the fine-tuning turntable is provided with an annular scale line, and the length of the scale line extends around the rotation direction of the fine-adjustment turntable.

Preferably, the cantilever is rotatably connected to the rotating rod, and the rotation axis of the cantilever is collinear with the rotation axis of the fine-tuning turntable.

Preferably, the support base, the first mobile platform assembly and the second mobile platform assembly are detachably connected to the connection base plate.

The beneficial effects of the present invention are:

In summary, the present invention provides a multifunctional laser-arc composite processing equipment, which has a simple structure, convenient processing and manufacturing, and low manufacturing cost; at the same time, when the composite equipment is used, it can realize single laser cladding, Single laser wire filling, single laser welding, laser-arc composite welding and other functions, and when welding, it can realize the adjustment of space matching parameters such as the angle between the laser beam and the welding torch, the horizontal distance, and the vertical distance, which is very good for hybrid welding. Process requirements. details as follows:

The composite processing equipment includes a connection base plate, on which a support seat, a first mobile platform assembly and a second mobile platform assembly are installed. and the second mobile platform assembly are located on both sides of the support base, the support base is used to install the laser output head, and the first mobile platform is used to install the powder feeding pipe, shielding gas feeding pipe or wire feeding pipe, which can be installed as required to achieve different Processing technology; the second mobile platform assembly is used to install the arc welding torch. When laser-arc hybrid welding is required, the laser output head and the arc welding torch are installed in the corresponding positions, and then the wire feeding tube and the shielding gas delivery tube are installed in the corresponding positions. position, complete the assembly, and then place the entire device above the workpiece to be welded, which can be operated by a manipulator, making the operation more flexible and convenient. During the welding process, adjust the first mounting frame, the second mounting frame and the laser output as needed The position of the head, the three parts are used together to achieve the best welding effect. When a single welding is required, it is enough to operate the corresponding welding equipment, which can realize different welding functions and has a wide range of applications.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is the structural diagram of multifunctional laser-arc composite processing equipment provided by the present invention;

Fig. 2 is a cross-sectional view of the regulating plate of the multifunctional laser-arc composite processing equipment provided by the present invention.

Summary of reference signs:

Connecting base plate 100, support base 200, first mobile platform assembly 300, second mobile platform assembly 400, arc welding torch 500, laser output head 600,

The first two-dimensional fine-tuning slide 101, the second two-dimensional fine-tuning slide 102, the supporting plate 103, the fixing plate 104, the first fixing hole 105, the second fixing hole 106,

An adapter plate 201, a connecting plate 202, an adjustment plate 203, a mounting hole 204, an adapter 205, a first adapter 206, a second adapter 207,

Fine-tuning the rotating table 301, the rotating rod 302, and the cantilever 303.

detailed description

The existing technology mainly adopts laser-arc coaxial compounding. The coaxial compounding device requires the design of the laser output head and the electrode, and requires a specially designed hollow electrode. The electrode and the laser output head need to be designed with a special insulation isolation mechanism. The structure is complex and difficult to process. ; In particular, the process parameters of the two heat sources can hardly be adjusted, and the process adjustment range is narrow; the mechanical structure of the laser output head and the arc welding torch is relatively fixed, and the cooperation between the laser heat source and the arc heat source is not conducive to adjustment or the adjustable range is small and flexible , low convenience, the two heat sources can not effectively cooperate.

In view of this, the designer of the present invention has designed a kind of multifunctional laser-arc compound processing equipment, and this equipment structure is simple, and manufacture is convenient, and this equipment can realize single laser cladding, single laser wire filling, single laser welding, laser-arc Composite welding and other functions, wide application range, flexible use; at the same time, it has strong portability, can be installed on industrial robots, and can also be installed on three-dimensional numerical control workbench, laser output head 600, arc welding torch 500, welding wire three The adjustment of the positional relationship between them is convenient and flexible, and the quality of welding is improved.

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Please refer to Figures 1-2, this embodiment provides a multifunctional laser-arc composite processing equipment, including a connection base plate 100, a support base 200, a first mobile platform assembly 300 and a second mobile platform assembly 400, the connection base plate 100 is The plate structure is convenient for processing. During actual processing, the connecting bottom plate 100 includes a first plate portion, a second plate portion, and a third plate portion arranged in sequence, and the second plate portion is located between the first plate portion and the third plate portion. The first plate portion and the third plate portion are oppositely arranged, and the first plate portion and the third plate portion protrude from one side of the second plate portion in a direction parallel to the plate surface of the connection base plate 100 , that is, the cross section of the connection base plate 100 U-shaped, the connecting bottom plate 100 saves processing materials, and at the same time, it is light in weight. When installing, the first mobile platform assembly 300 and the second mobile platform assembly 400 are respectively installed on the first board part and the third board part. 200 is installed on the second plate, and can be connected by screwing, which is convenient for disassembly and maintenance. The support base 200, the first mobile platform assembly 300 and the second mobile platform assembly 400 are located on the same side of the connecting base plate 100, and the support base 200 There is a certain height difference with the first mobile platform assembly 300 and the second mobile platform assembly 400 in the vertical direction. After the laser output head 600, wire feeding tube, and arc welding torch 500 are installed respectively, the working ends of these three components are convenient Gathered at one point, when welding, it can be adjusted within a small range, which is convenient for laser-arc hybrid welding. When welding, the axis of the laser output head 600 is along the vertical direction, and the first moving platform assembly 300 and the second moving platform assembly 400 are located on the left and right sides of the support base 200 .

The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In practical application, the composite processing equipment can be installed on the industrial robot through the connection base plate 100, and can be moved by the industrial robot. wide, flexible use. During installation, a plurality of installation and fixing holes can be provided on the connection base plate 100, and the number and positions of the installation and fixing holes can be selected for installation as required, which improves the efficiency of installation and has a wide range of applications. In order to reduce the overall weight and facilitate movement, it is preferably set that the support base 200, the connecting base plate 100, the first mobile platform assembly 300 and the second mobile platform assembly 400 are all made of aluminum alloy materials, and the surface is anodized. Light, high strength, safe to use.

In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms, "longitudinal", "transverse", "length", "top", "bottom" etc. are based on the orientations or positions shown in the drawings The relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

The first mobile platform assembly 300 includes a first two-dimensional fine-tuning slide 101 and a first mounting frame, and the first mounting frame is installed on the first two-dimensional fine-tuning slide 101; two-dimensional refers to two mutually perpendicular In this embodiment, two-dimensional refers to the direction of the horizontal line and the direction of the vertical line on the surface of the connecting base plate 100, which is equivalent to establishing a two-dimensional coordinate on the surface of the base plate, that is, the first two-dimensional fine-tuning The slide table 101 can slide in the vertical direction and the horizontal direction. When sliding in the vertical direction, adjust the distance between the installation end of the first installation frame and the laser output head 600 in the vertical direction. The installation end of a mounting frame is close to or far away from the laser output head 600, and then the process parameters during welding are adjusted; obviously, in order to facilitate the control of the moving distance, a scale line is set on the first two-dimensional fine-tuning slide 101, and the adjustment accuracy is high .

The second mobile platform assembly 400 includes a second two-dimensional fine-tuning slide 102 and a second mounting frame, the second mounting frame is installed on the second two-dimensional fine-tuning slide 102, and the second two-dimensional fine-tuning slide 102 The adjustment direction of the first two-dimensional fine-tuning slide table 101 is the same as that of the first two-dimensional fine-tuning slide table 101, and it is also adjusted along the vertical direction and the horizontal direction. The plane direction, and then control the position of the arc welding torch 500 relative to the laser output head 600 .

The composite processing equipment provided in this embodiment can realize different processing functions, as follows:

Single laser cladding, when the power of the arc welding torch 500 is turned off, and when the fiber laser power is turned on, the powder feeding tube is clamped at the installation end of the first installation frame to realize single laser cladding. By adjusting the first two-dimensional fine-tuning slide 101, the matching relationship between the powder feeding tube and the laser heat source angle, distance and other space matching parameters can be realized, thereby improving the quality of cladding.

Single laser wire-fill welding, when the arc power is turned off, the fiber laser power is turned on, and the installation end of the first installation frame clamps the wire feeding tube, which can realize single laser wire-fill welding. In the actual welding process, by adjusting the first two-dimensional fine-tuning slide 101 , the matching relationship between the welding wire and the laser heat source angle, spacing and other spatial matching parameters can be realized, thereby improving the welding quality.

Laser-arc hybrid welding, when the laser and arc are turned on at the same time, the installation end of the first installation frame is installed with a wire feeding tube and a protective gas delivery pipe (copper tube is preferably used, the inner diameter is generally 2mm-6mm), and the installation of the second installation frame The arc welding torch 500 is installed at the end, which can realize laser-arc composite filler wire welding. By adjusting the first two-dimensional fine-tuning sliding table and the second two-dimensional fine-tuning sliding table 102, the space matching parameters such as the angle between the laser beam and the welding torch, the horizontal distance, and the vertical distance can be realized, as well as the three dimensions of the laser beam, the working end of the welding torch and the welding wire. The spatial position relationship between them, the process is highly adjustable, and it satisfies the composite welding process very well, and the welding quality is high.

Laser-arc composite cladding, the laser and the arc are turned on at the same time, the powder feeding pipe is installed at the installation end of the first installation frame, and the arc welding torch 500 is installed at the installation end of the second installation frame, and the energy ratio of the laser and the arc is adjusted to a suitable range. Realize laser-arc composite cladding.

During welding, adjust the positional relationship between the laser beam, the working end of the welding torch and the welding wire (powder feeding tube) as needed. If the power density in the center of the focal spot is too high, it is easy to evaporate into a hole, and the power density distribution on each plane away from the laser focus is relatively uniform. The quality of the weld.

In a preferred solution of this embodiment, the support base 200 includes two support plates 103 spaced in parallel and a fixed plate 104 between the two support plates 103, the fixed plate 104 is vertically installed on the support plate 103, the two supporting plates 103 are installed on the connecting base plate 100, the plate surface of the fixing plate 104 is parallel to the plate surface of the connecting base plate 100, and the structure of the supporting seat 200 is simple, which facilitates the installation of the laser output head 600 , the support base 200 includes a support plate 103 and a fixed plate 104, the support plate 103 and the fixed plate 104 have a smooth surface, and the laser output head 600 is installed on the support base 200 to ensure the verticality of the laser beam emitted by the laser output head 600 , which in turn facilitates the adjustment of the position of each component during welding, improving the quality of welding.

In the preferred version of the above-mentioned embodiment, the fixed plate 104 is provided with a plurality of first fixed holes 105, and the axis line of the first fixed holes 105 is perpendicular to the plate surface of the fixed plate 104; each of the supports A plurality of second fixing holes 106 are respectively arranged on the plate 103, and the axes of the second fixing holes 106 are perpendicular to the surface of the support plate 103. When the laser output head 600 is installed on the support base 200, the bolts Respectively pass through the first fixing hole 105 and the second fixing hole 106 for fixing, the fixing method is simple and reliable, and it is convenient for disassembly and maintenance.

In a preferred solution of this embodiment, the first installation frame includes an adapter plate 201, a connecting plate 202, and an adjustment plate 203, the adapter plate 201 is installed on the first two-dimensional fine-tuning slide 101, and the connection The plate 202 is vertically installed on the adapter plate 201, the adjusting plate 203 is installed on the connecting plate 202, the adjusting plate 203 is provided with a mounting hole 204, and the axis line of the mounting hole 204 is parallel to the The board surface of the bottom board 100 is connected. The connecting plate 202 is connected to the first two-dimensional fine-tuning slide table 101 through the adapter plate 201, and the structure is more firm when connected. At the same time, the adjusting plate 203 is connected to the connecting plate 202. The adjusting plate 203 has With a certain distance, during installation, the welding wire, the arc welding torch 500 and the laser output head 600 are located in the same plane, which is convenient for adjustment. The first mounting bracket is used for installing welding wire or powder feeding pipe. Mounting holes 204 are provided on the adjusting plate 203, and the powder feeding pipes and welding wires can be inserted and fixed in the mounting holes 204, which is convenient for installation and replacement.

In a preferred solution of this embodiment, the first mounting frame further includes an adapter 205, and the adapter 205 includes a first adapter portion 206 and a second adapter portion connected to the first adapter portion 206 207, the first transfer part 206 and the second transfer part 207 are arranged obliquely, the first transfer part 206 is installed on the connecting plate 202, and the adjusting plate 203 is installed on the second Adapter 207. After the welding wire or the powder feeding tube is installed in the installation hole 204, it forms an included angle with the laser output head 600, which is convenient for operation during welding.

In a preferred solution of this embodiment, the adjustment plate 203 is rotationally connected with the second transfer portion 207, and the rotation axis of the adjustment plate 203 and the second transfer portion 207 is perpendicular to the connection bottom plate 100. The plate surface is convenient for adjusting the positional relationship of the welding wire on the adjustment plate 203 or the powder feeding tube relative to the laser output head 600 during welding, so as to determine a reasonable welding angle and improve welding quality.

In a preferred solution of this embodiment, the second installation frame includes a fine-tuning rotary table 301, a rotating rod 302, and a cantilever 303. The fine-tuning rotary table 301 is installed on the connecting base plate 100, and the rotation axis of the fine-tuning rotary table 301 is Perpendicular to the board surface of the connection base 100 , one end of the rotating rod 302 is installed on the fine-tuning rotary table 301 , and the other end is installed on the cantilever 303 , and the cantilever 303 is used for installing the arc welding torch 500 . After the arc welding torch 500 is installed on the cantilever 303, the vertical and lateral distances of the arc welding torch 500 relative to the laser output head 600 can be adjusted by adjusting the second two-dimensional fine-tuning slide 102, and then the arc can be adjusted by adjusting the fine-tuning rotary table 301. The angle between the welding torch 500 and the laser output head 600 can be adjusted to obtain the best welding parameters through the combination of the two, so as to ensure the welding quality.

In the preferred solution of this embodiment, the fine-tuning rotary table 301 is provided with an annular scale line, and the length of the scale line extends around the rotation direction of the fine-tuning rotary table 301, which is convenient for controlling the adjustment angle, and the adjustment is more efficient. High, easier to determine the best welding position.

In the preferred version of this embodiment, the cantilever 303 is rotatably connected to the rotating rod 302, the rotation axis of the cantilever 303 is in line with the rotation axis of the fine-tuning turntable 301, the cantilever 303 and the fine-tuning are connected by the rotating rod 302 The rotary table 301 is connected, and at the same time, the rotary rod 302 can rotate relative to the fine-tuning rotary table 301 to drive the cantilever 303 to rotate, the rotary rod 302 is used for rough adjustment, and then the fine-tuning rotary table 301 is used for fine-tuning, the adjustment is more convenient, and the cantilever 303 is more flexible when rotating.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A multifunctional laser-arc composite processing device and method, characterized in that it includes a connecting base plate, a support seat, a first mobile platform assembly and a second mobile platform assembly, wherein: The support seat is installed on a surface of the connecting bottom plate, and the support seat is used for installing the laser output head; the first mobile platform assembly includes a first two-dimensional fine-tuning slide table and a first mounting frame, and the first A mounting frame is installed on the first two-dimensional fine-tuning slide; the second mobile platform assembly includes a second two-dimensional fine-tuning slide and a second mounting frame, and the second mounting frame is mounted on the second two-dimensional The fine-tuning slide table, the first mobile platform assembly and the second mobile platform assembly are respectively located on both sides of the support base perpendicular to the board surface direction of the connecting bottom plate, and the support base, the first The mobile platform assembly and the second mobile platform assembly are located on the same side of the connecting bottom plate. 2. The multifunctional laser-arc composite processing device and method according to claim 1, wherein the support seat includes two support plates spaced in parallel and a fixed plate between the two support plates, The fixing plate is vertically installed on the supporting plate, the two supporting plates are installed on the connecting bottom plate, and the surface of the fixing plate is parallel to the surface of the connecting bottom plate. 3. The multifunctional laser-arc composite processing device and method according to claim 2, wherein the fixing plate is provided with a plurality of first fixing holes, and the axes of the first fixing holes are perpendicular to the The surface of the fixing plate; each of the supporting plates is respectively provided with a plurality of second fixing holes, and the axes of the second fixing holes are perpendicular to the surface of the supporting plate. 4. The multifunctional laser-arc composite processing device and method according to claim 1, wherein the first installation frame includes an adapter plate, a connecting plate and an adjustment plate, and the adapter plate is installed on the The first two-dimensional fine-tuning slide table, the connecting plate is vertically installed on the adapter plate, the adjusting plate is installed on the connecting plate, the adjusting plate is provided with a mounting hole, the axis of the mounting hole Parallel to the plate surface of the connecting base plate. 5. The multifunctional laser-arc composite processing device and method according to claim 4, characterized in that, the first installation frame further includes an adapter, and the adapter includes a first adapter and a connecting portion The second transfer part of the first transfer part, the first transfer part and the second transfer part are arranged obliquely, the first transfer part is installed on the connecting plate, and the adjusting plate installed on the second adapter. 6. The multifunctional laser-arc composite processing device and method according to claim 5, characterized in that, the adjustment plate is rotationally connected to the second adapter, and the adjustment plate is connected to the second adapter The rotation axis of the part is perpendicular to the plate surface of the connecting base plate. 7. The multifunctional laser-arc composite processing device and method according to claim 1, wherein the second installation frame includes a fine-tuning rotary table, a rotating rod and a cantilever, and the fine-tuning rotary table is installed on the connecting The bottom plate, the rotation axis of the fine-tuning rotary table is perpendicular to the surface of the connecting bottom plate, one end of the rotating rod is installed on the fine-tuning rotary table, and the other end is mounted on the cantilever, and the cantilever is used to install the arc welding torch. 8. The multi-functional laser-arc composite processing device and method according to claim 7, wherein an annular scale line is arranged on the fine-tuning rotary table, and the length of the scale line is around the circumference of the fine-tuning rotary table. The direction of rotation extends. 9. The multifunctional laser-arc composite processing device and method according to claim 7, characterized in that, the cantilever is rotatably connected to the rotating rod, and the rotation axis of the cantilever is connected to the rotation axis of the fine-tuning rotary table collinear. 10. The multifunctional laser-arc composite processing device and method according to claim 1, characterized in that, the support base, the first mobile platform assembly and the second mobile platform assembly are connected to the connecting base plate respectively Detachable connection.