Metal material welding device and method adaptive to machining

Abstract

The invention discloses a metal material welding device and method adaptive to machining, and belongs to the technical field of machining. The device comprises a matching base, a connecting cushion frame is arranged at the top of the matching base, an adaptive welding limiting frame is arranged at the top of the connecting cushion frame, a rotating cushion frame is arranged at the bottom of the matching base, and the matching base comprises a base disc and a slag collecting ring; by means of the adaptive welding assembly and the multi-dimensional adjusting mechanism, the welding requirements of different mechanical main bodies are flexibly met, and efficient and all-dimensional welding is achieved; the rotary adjusting type portal frame has the functions of in-situ adjustment and dynamic material management, meets the requirements for angle adjustment and material replacement in the welding process, has the overall structure expandability by optimizing airflow regulation and control, constructing a suitable welding environment, reducing interference and improving the heat dissipation efficiency, can be stretched according to actual requirements, is suitable for various metal material models, and is suitable for various metal material models. And the flexibility and the controllability level are improved, and innovative improvement is brought to welding operation.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical processing, and in particular to a metal material welding device and method suitable for mechanical processing. Background Art

[0002] Mechanical processing is an important part of the manufacturing industry. Through various mechanical processing techniques, such as turning, milling, drilling, grinding, etc., metal raw materials can be processed into mechanical parts with specific shapes, sizes and precision requirements. These parts are widely used in many fields such as automobiles, aerospace, ships, electronics, energy, etc., and are the basis of modern industrial production; metal material welding is an important process method to connect two or more metal parts into a whole. In mechanical processing, welding can not only be used to assemble parts, but also to repair and modify metal materials; the quality of welding directly affects the strength, stability and reliability of the mechanical structure, and is crucial to ensuring the normal operation and service life of mechanical equipment.

[0003] In combination with the above content, it should be explained that: Chinese patent application number CN2022215041358 discloses an angle-adjustable welding tool for mechanical metal processing, which drives the threaded rod through a rotating knob through a clamping mechanism, cooperates with a sliding clamp and a limit pin block to achieve stable clamping of the metal, and the adjustment mechanism drives the gear and the linkage rotating plate through a rotating knob, and the clamping plate moves in a circle through an arc-shaped slide groove. The limit tooth block and the spring fix the angle, and the bolt is locked to achieve welding angle adjustment. In fact, during the welding of mechanically processed metal materials, the above-mentioned has certain limitations according to the need for the connection angle between the metal machinery and the metal material, which causes great obstacles to the welding process of mechanically processed metal materials.

[0004] In view of the above technical defects, a solution is now proposed. Summary of the invention

[0005] The object of the present invention is to provide a metal material welding device suitable for mechanical processing to solve the problems raised.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a metal material welding device and method suitable for mechanical processing, comprising a matching base, a connecting pad frame is arranged on the top of the matching base, an adaptive welding limit frame is arranged on the top of the connecting pad frame, a rotating pad frame is arranged on the bottom of the matching base, the matching base comprises a base plate and a slag collecting ring, a supporting plate connected to the bottom of the connecting pad frame is arranged on the top of the base plate, the adaptive welding limit frame comprises a cone plate and a sleeve frame, a plurality of groups of limit columns are arranged on the top of the sleeve frame, and accessory cylinder frames are arranged between the limit columns; A rotary gantry covering a matching base is sleeved in the middle of the rotating pad frame, an extended base in contact with the ground is arranged at the bottom of the rotary gantry, an arc-adjustable welding matching mechanism is slidably sleeved on the inner wall of the rotary gantry, and the arc-adjustable welding matching mechanism includes a telescopic mechanical arm and an arc-shaped arm rod.

[0007] Furthermore, a rotating motor penetrating the support disk is arranged at the inner center of the base disk, a conical ring frame in contact with the outer wall of the support disk is arranged at the top outer ring of the base disk, and a plurality of micro suction holes are arranged on the surface of the conical ring frame.

[0008] Furthermore, an air pump is embedded inside the support plate, an outer ring connected to the outer wall of the base plate is arranged on the outside of the cone ring frame, an arc groove connected to the slag collecting ring is arranged at the bottom of the outer ring, and an air pipe and a regulating valve are arranged at the output end of the air pump, and the air pipe is respectively connected to the micro-suction hole, the cone plate and the arc arm.

[0009] Furthermore, a circular hole is provided at the center of the top of the connecting pad frame, and a plurality of bolt holes are arranged in a cross array around the circular hole. A cross middle frame connected to the cone disk is provided on the top of the connecting pad frame. The cross middle frame is adjusted to a suitable model according to the replacement of the cone disk. The circular hole is socketed with an output end of the rotating motor, and a ball bearing that is in sliding contact with the surface of the support disk is provided at the bottom of the connecting pad frame.

[0010] Furthermore, an inflatable airbag cushion is embedded on the inner wall of the limiting column, a metal bracket clamped with the sleeve frame is provided at the bottom of the accessory tube rack, a flip cover is provided on the top of the end of the accessory tube rack away from the sleeve frame, a rotary cylinder is provided between the flip cover and the accessory tube rack, a plurality of ventilation ports are provided on the surface of the cone disk, the top and bottom of the cone disk are both designed in a conical structure, and a plurality of nozzles are provided in a ring on the outer wall of the bottom of the sleeve frame.

[0011] Furthermore, a support pad in contact with the ground is provided at the bottom of the rotating pad frame, and a second rotating motor is embedded between the rotating pad frame and the support pad.

[0012] Furthermore, a driven connecting arm frame which is sleeved with the second rotating motor is arranged between the multiple groups of the extending base frames, rollers which are in contact with the ground are arranged at the bottom of the extending base frames and the driven connecting arm frames, telescopic beams which are sleeved with each other are arranged at the top of the rotating adjustable gantry, inner sliding rods are arranged between the telescopic beams, and a guide groove is arranged in the inner wall of the rotating adjustable gantry which is recessed toward the mating base.

[0013] Furthermore, a positioning servo motor is provided at the bottom of the telescopic robotic arm, a servo unit connected to the arc-shaped arm rod is provided at the end face of the telescopic robotic arm, a welding sliding base is provided on the inner wall of the arc-shaped arm rod facing the mating base, and a welding robotic arm and a welding machine are provided at the bottom of the welding sliding base.

[0014] A working method of a metal material welding device suitable for mechanical processing comprises the following steps: Preparation before welding: according to the mechanical body to be welded, replace the corresponding adaptive welding limit frame and connection pad frame, and replace the adaptive welding robot arm and welding machine on the welding sliding base, wait for the mechanical body to be installed on the adaptive welding limit frame for preliminary fixation, and then start the device; Suspended welding: The positioning servo motor drives the telescopic mechanical arm to approach the mechanical body to be welded, and the welding mechanical arm, welding machine, steering gear and other structures cooperate to perform multi-dimensional and multi-point coordinated welding on the mechanical body to be welded; In-situ adjustment of weldment: Actively drive and limit the adaptive welding limit frame that clamps the mechanical body to be welded, which is used to coordinate the addition of metal materials and flux, as well as the angle adjustment required for welding; Welding environment control: By guiding the airflow to conduct multi-point coordinated control of the surrounding environment of the welding machine body, a suitable welding environment is constructed to reduce the interference of welding products on the welding machine body.

[0015] The beneficial effects of the present invention are: The present invention achieves multi-dimensional and multi-point collaborative welding by replacing the adaptive welding limit frame, connecting pad frame and welding robot arm, etc., so that the system can flexibly adapt to the welding requirements of different mechanical bodies, greatly improve the welding efficiency, and provide flexible adaptability and high-efficiency welding; the coordination of the positioning servo motor and the telescopic robot arm, as well as the rotation adjustment of the arc-shaped arm rod, enables the welding robot arm to flexibly adjust its position in all directions and multiple dimensions, effectively avoiding traditional welding blind spots, reducing connection defects, and providing all-round welding coverage.

[0016] The present invention achieves axial rotation through an adaptive welding limit frame driven by a rotating motor, thereby meeting the requirements of adding metal materials and flux and adjusting the welding position during welding, and enhancing the dynamic adaptability of the system, in-situ adjustment and dynamic adaptation; by guiding the airflow to perform multi-point coordinated regulation of the welding environment, the interference of welding products on the mechanical body is effectively reduced, while promoting the multi-directional diffusion of high-temperature heat, improving the welding heat dissipation efficiency, and optimizing the welding environment.

[0017] The present invention actively adjusts the position of the metal material to facilitate temporary adjustment or replacement of the metal material. At the same time, the cooperation between the flip cover and the electromagnet realizes stable adsorption, limiting and fixation of the metal material. The rotary gantry can be stretched and unfolded according to the actual environment and the length of the metal material, thereby improving the adaptability to different metal material models and enhancing the flexibility and scalability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the matching base of the present invention; Figure 3 It is a schematic diagram of the internal structure of the support plate of the present invention; Figure 4 It is a structural schematic diagram of the connection pad frame and the adaptive welding limit frame of the present invention; Figure 5 It is a structural schematic diagram of the adaptive welding limit frame of the present invention; Figure 6 It is a structural schematic diagram of the rotating pad frame of the present invention; Figure 7 It is a structural schematic diagram of the rotary gantry of the present invention; Figure 8 It is a structural schematic diagram of the extended chassis of the present invention; Fig. 9 It is a structural schematic diagram of the arc-adjusting welding cooperation mechanism of the present invention.

[0020] Reference numerals: 1. Coordinating base; 101. Base plate; 102. Support plate; 103. Rotating motor 1; 104. Cone ring frame; 105. Outer ring; 106. Slag collecting ring; 107. Air pump; 2. Rotary gantry; 201. Extended base frame; 202. Driven connecting arm frame; 203. Roller; 204. Telescopic beam; 205. Inner slide bar; 3. Arc-adjusting welding matching mechanism; 301. Telescopic mechanical arm; 302. Rudder Machine part; 303, arc-shaped arm; 304, welding sliding base; 305, positioning servo motor; 4, adaptive welding limit frame; 401, cone disk; 402, sleeve frame; 403, limit column; 404, inflation airbag cushion; 405, accessory cylinder rack; 406, rotary cylinder; 407, flip cover; 5, connecting pad frame; 501, cross middle frame; 6, rotating pad frame; 601, rotating motor 2; 602, support pad. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example 1: Please refer to Figure 1 - Fig. 9 As shown, this embodiment is a metal material welding device and method suitable for mechanical processing, including a matching base 1, a connecting pad frame 5 is arranged on the top of the matching base 1, an adaptive welding limit frame 4 is arranged on the top of the connecting pad frame 5, a rotating pad frame 6 is arranged at the bottom of the matching base 1, the matching base 1 includes a base plate 101 and a slag collecting ring 106, a support plate 102 is arranged on the top of the base plate 101 and is connected to the bottom of the connecting pad frame 5, the adaptive welding limit frame 4 includes a cone plate 401 and a sleeve frame 402, a plurality of groups of limit columns 403 are arranged on the top of the sleeve frame 402, and an accessory tube frame 405 is arranged between the limit columns 403.

[0023] According to the number and layout positions of the metal material parts that need to be connected to the outside of the mechanical body to be welded, the adaptive welding limit frame 4 is debugged in advance, and the accessory tube frame 405 is clamped between the corresponding limit columns 403 according to the layout position through the metal bracket, and fixed with bolts, blocks and other components.

[0024] A rotating motor 103 penetrating the support plate 102 is arranged at the inner center of the base plate 101, and a conical ring frame 104 in contact with the outer wall of the support plate 102 is arranged on the top outer ring of the base plate 101, and a plurality of micro-suction holes are arranged on the surface of the conical ring frame 104. During welding, the rotating motor 103 is connected to the connecting pad frame 5 through a hollow shaft and a coupling. According to welding requirements, the rotating motor 103 drives the connecting pad frame 5 to rotate axially, and the connecting pad frame 5 drives the overall adaptive welding limit frame 4 to rotate synchronously through the cross middle frame 501, so as to meet the needs of adding metal materials, flux and adjusting the welding position in the middle.

[0025] An air pump 107 is embedded inside the support plate 102, an outer ring 105 connected to the outer wall of the base plate 101 is arranged on the outside of the cone ring frame 104, an arc groove connected to the slag collecting ring 106 is arranged at the bottom of the outer ring 105, and an air pipe and a regulating valve are arranged at the output end of the air pump 107. The air pipe is respectively connected to the micro-suction hole, the cone plate 401 and the arc arm 303. During welding, the air pump 107 is connected to part of the air pipe through the regulating valve to the micro-suction hole on the cone ring frame 104. The micro-suction hole is used to intermittently extract the air between the cone ring frame 104 and the outer ring 105, so as to promote the air flow under the adaptive welding limit frame 4, which is helpful for the high-temperature heat generated by welding to be diffused in multiple directions.

[0026] A circular hole is provided at the center of the top of the connecting pad frame 5, and multiple groups of bolt holes are arranged in a cross array around the circular hole. A cross middle frame 501 connected to the cone disk 401 is provided on the top of the connecting pad frame 5. The cross middle frame 501 is adjusted to a suitable model according to the replacement of the cone disk 401. The circular hole is socketed with the output end of the rotating motor 103, and a ball bearing that is in sliding contact with the surface of the support disk 102 is provided at the bottom of the connecting pad frame 5.

[0027] An inflatable airbag cushion 404 is embedded on the inner wall of the limiting column 403, a metal bracket that is clamped with the sleeve frame 402 is arranged at the bottom of the accessory tube rack 405, a flip cover 407 is arranged on the top of the end of the accessory tube rack 405 away from the sleeve frame 402, a rotary cylinder 406 is arranged between the flip cover 407 and the accessory tube rack 405, a plurality of ventilation ports are arranged on the surface of the cone disk 401, the top and bottom of the cone disk 401 are both designed with a conical structure, and a plurality of nozzles are arranged in a ring on the outer wall of the bottom of the sleeve frame 402.

[0028] The air pump 107 is connected to the ventilation port and the nozzle through a regulating valve and a part of the air pipe. The ventilation port intermittently adjusts the airflow according to the setting to spray and suck. The interval between the two is 10 seconds. Each spraying and suction lasts for 20 seconds. The nozzle continuously guides the airflow to spray the air from the inside to the outside in a ring shape along the bottom of the sleeve 402. With the cooperation of the two, the gap at the top of the cone disk 401 is continuously circulated, which helps to clean the slag, spatter and impurity particles dropped by welding.

[0029] A support pad 602 in contact with the ground is provided at the bottom of the rotating support frame 6 , and a second rotating motor 601 is embedded between the rotating support frame 6 and the support pad 602 .

[0030] Embodiment 2: This embodiment is a metal material welding device and method suitable for mechanical processing, including a rotary gantry 2 with a covering matching base 1 sleeved in the middle of a rotating pad frame 6, an extended base frame 201 in contact with the ground is arranged at the bottom of the rotary gantry 2, an arc-adjustable welding matching mechanism 3 is slidably sleeved on the inner wall of the rotary gantry 2, and the arc-adjustable welding matching mechanism 3 includes a telescopic mechanical arm 301 and an arc-shaped arm rod 303.

[0031] The air pump 107 is connected along the arc-shaped arm 303 through a regulating valve and part of the air pipe. A plurality of holes are arranged on the inner wall of the arc-shaped arm 303 facing the mating base 1. After the holes are connected to the air pipe line, the airflow is guided from top to bottom to blow toward the mechanical body to be welded while the arc-shaped arm 303 carries the welding robot arm in operation, so that the periphery of the mechanical body to be welded obtains a continuous airflow, which is used to quickly diffuse the high-temperature heat generated by welding, and guide the slag, spatter and impurity particles generated by welding to fall, so as to facilitate subsequent cleaning and reduce interference with the mechanical body to be welded.

[0032] A driven connecting arm 202 which is sleeved with the rotating motor 2 601 is arranged between the multiple groups of extension base frames 201, and rollers 203 which are in contact with the ground are arranged at the bottom of the extension base frames 201 and the driven connecting arm 202. Telescopic beams 204 which are sleeved with each other are arranged on the top of the rotary gantry 2, and inner sliding rods 205 are arranged between the telescopic beams 204. A guide groove is arranged in the inner wall of the rotary gantry 2 which is recessed toward the mating base 1.

[0033] During welding, if there is a need to temporarily adjust the metal material, or replace the metal material after limiting, according to the location of the metal material to be replaced and the location requirements of the external material replacement equipment, the rotating motor 103 drives the adaptive welding limit frame 4 to actively adjust the position, and the rotating motor 2 601 drives the rotary gantry 2 to follow the synchronous rotation adjustment to avoid obstacles to the replacement of metal materials; The flip cover 407 is driven to rotate by the rotary cylinder 406 to open and close the flip cover 407. At the same time, the rotary cover is connected to the accessory cartridge rack 405 and an electromagnet is provided on the side away from the rotary cylinder 406. The flip cover 407, the accessory cartridge rack 405 and the metal material are adsorbed and fixed according to the power-on adjustment.

[0034] During the rotation of the rotary gantry 2, the extension base 201 can be unfolded as needed according to the actual environment and the length of the metal material body. A propulsion cylinder 1 is arranged between the extension base 201 and the driven connecting arm 202, and a propulsion cylinder 2 is arranged in the inner slide rod 205 to connect the two sets of telescopic beams 204, which is used for the overall stretching and unfolding of the rotary gantry 2 to facilitate the improvement of the adaptability to the replacement of metal material models.

[0035] A positioning servo motor 305 is provided at the bottom of the telescopic mechanical arm 301, and a steering gear part 302 connected to the arc-shaped arm rod 303 is provided at the end face of the telescopic mechanical arm 301. A welding sliding base 304 is provided on the inner wall of the arc-shaped arm rod 303 facing the matching base 1, and a welding mechanical arm and a welding machine are provided at the bottom of the welding sliding base 304.

[0036] The positioning servo motor 305 drives the telescopic mechanical arm 301 to slide up and down along the groove on the inner wall of the rotary gantry 2, so as to adjust the arc arm rod 303 to be close to the mechanical body to be welded. After the two are close to the appropriate position, the welding sliding base 304 drives the welding mechanical arm and the welding machine to perform welding processing one by one on the area where the mechanical body to be welded and the metal material are preliminarily connected.

[0037] During the process, the built-in motor of the servo unit 302 drives the arc arm 303 to rotate according to the welding needs, adjusts the direction and angle of the arc arm 303 close to the peripheral area of ​​the mechanical body to be welded, and the welding sliding base 304 drives the welding robot arm to slide and adjust the position along the arc arm 303, which is used to cooperate with the welding robot arm and the welding machine to approach the connection area between the mechanical body to be welded and the metal material, thereby forming an all-round and multi-dimensional flexible adjustment of the area above the adaptive welding limit frame 4, avoiding traditional welding blind spots and connection defects caused by the movement of the mechanical body to be welded, while ensuring a small amount of obstructions on the periphery of the mechanical body to be welded, thereby improving the welding heat dissipation efficiency.

[0038] In combination with Example 1 and Example 2, through adaptive welding components and multi-dimensional adjustment mechanisms, the welding requirements of different mechanical entities can be flexibly responded to, and efficient and all-round welding can be achieved; in-situ adjustment and dynamic material management functions can meet the angle adjustment and material replacement requirements during the welding process, and a suitable welding environment can be constructed by optimizing airflow control, reducing interference and improving heat dissipation efficiency.

[0039] In addition, the overall structure has scalability, and the rotary gantry 2 can be stretched according to actual needs and adapted to a variety of metal material models. Overall, it significantly improves welding efficiency and quality, enhances flexibility and intelligence, and brings innovative improvements to welding operations.

[0040] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Related accessories include couplings, screws, gears, gaskets and other commonly used mechanical connection components in this field, but are not limited thereto. They are replaced and adapted according to actual use.

[0042] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A metal material welding device suitable for mechanical processing, comprising a matching base (1), characterized in that: The matching base (1) is provided with a connecting pad frame (5) on the top, an adaptable welding limit frame (4) is provided on the top of the connecting pad frame (5), and a rotating pad frame (6) is provided on the bottom of the matching base (1). The matching base (1) comprises a base plate (101) and a slag collecting ring (106), and a supporting plate (102) is provided on the top of the base plate (101) to be connected to the bottom of the connecting pad frame (5). The adaptable welding limit frame (4) comprises a cone plate (401) and a sleeve frame (402), and a plurality of groups of limit columns (403) are provided on the top of the sleeve frame (402), and accessory cylinder frames (405) are provided between the limit columns (403); A rotary gantry (2) covering the matching base (1) is sleeved in the middle of the rotary cushion frame (6); an extended base frame (201) in contact with the ground is arranged at the bottom of the rotary gantry (2); an arc-adjustable welding matching mechanism (3) is slidably sleeved on the inner wall of the rotary gantry (2); the arc-adjustable welding matching mechanism (3) comprises a telescopic mechanical arm (301) and an arc-shaped arm rod (303).

2. A metal material welding device suitable for mechanical processing according to claim 1, characterized in that: A rotating motor (103) penetrating the support plate (102) is arranged at the center of the base plate (101), and a cone ring frame (104) in contact with the outer wall of the support plate (102) is arranged at the top outer ring of the base plate (101), and a plurality of micro suction holes are arranged on the surface of the cone ring frame (104).

3. A metal material welding device suitable for mechanical processing according to claim 2, characterized in that: An air pump (107) is embedded inside the support plate (102), an outer ring (105) connected to the outer wall of the base plate (101) is arranged on the outside of the cone ring frame (104), and an arc groove connected to the slag collecting ring (106) is arranged at the bottom of the outer ring (105).

4. A metal material welding device suitable for mechanical processing according to claim 1, characterized in that: A circular hole is provided at the centre of the top of the connection pad frame (5), and a plurality of bolt holes are arranged in a cross array around the circular hole. A cross middle frame (501) connected to the cone disk (401) is provided at the top of the connection pad frame (5).

5. The metal material welding device suitable for mechanical processing according to claim 1, characterized in that: An inflatable airbag cushion (404) is embedded on the inner wall of the limiting column (403); a metal bracket that is clamped with the sleeve frame (402) is provided at the bottom of the accessory tube frame (405); a flip cover (407) is provided at the top of one end of the accessory tube frame (405) away from the sleeve frame (402); and a rotary cylinder (406) is provided between the flip cover (407) and the accessory tube frame (405).

6. The metal material welding device suitable for mechanical processing according to claim 1, characterized in that: A supporting pad (602) in contact with the ground is arranged at the bottom of the rotating pad frame (6), and a second rotating motor (601) is embedded between the rotating pad frame (6) and the supporting pad (602).

7. A metal material welding device suitable for mechanical processing according to claim 6, characterized in that: A driven connecting arm frame (202) sleeved with the second rotating motor (601) is arranged between the plurality of groups of the extending base frames (201), and rollers (203) contacting and connected with the ground are arranged at the bottom of the extending base frames (201) and the driven connecting arm frame (202), and telescopic beams (204) sleeved with each other are arranged at the top of the rotary gantry (2), and inner sliding rods (205) are arranged between the telescopic beams (204).

8. The metal material welding device suitable for mechanical processing according to claim 1, characterized in that: A positioning servo motor (305) is arranged at the bottom of the telescopic mechanical arm (301); a steering gear unit (302) connected to an arc-shaped arm rod (303) is arranged at the end surface of the telescopic mechanical arm (301); a welding sliding base (304) is arranged on the inner wall of the arc-shaped arm rod (303) facing the matching base (1); and a welding mechanical arm and a welding machine are arranged at the bottom of the welding sliding base (304).

9. A working method of a metal material welding device suitable for mechanical processing, used for the metal material welding device suitable for mechanical processing according to any one of claims 1 to 8, characterized in that: The following steps are involved: Preparation before welding: according to the mechanical body to be welded, replace the corresponding adaptive welding limit frame (4) and the connection pad frame (5), and replace the adaptive welding mechanical arm and the welding machine on the welding sliding base (304), wait for the mechanical body to be installed on the adaptive welding limit frame (4) for preliminary fixation, and then start the device; Suspended welding: the positioning servo motor (305) drives the telescopic mechanical arm (301) to approach the mechanical body to be welded, and the welding mechanical arm, welding machine, steering gear part (302) and other structures cooperate to form a multi-dimensional and multi-point coordinated welding process for the mechanical body to be welded; In-situ adjustment of weldment: actively driving and limiting the adaptable welding limit frame (4) that clamps the mechanical body to be welded, and is used to coordinate the addition of metal materials and flux, as well as the angle adjustment required for welding; Welding environment control: By guiding the airflow to conduct multi-point coordinated control of the surrounding environment of the welding machine body, a suitable welding environment is constructed to reduce the interference of welding products on the welding machine body.

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