A multi-channel coaxial welding robot intelligent welding center

Abstract

The present application relates to the technical field of intelligent welding center, especially to a multi-channel coaxial welding seam robot intelligent welding center, which comprises: a multi-channel coaxial welding seam robot intelligent welding center, comprising a machining center main body, an intelligent welding manipulator for adjusting the welding direction installed on the top of the machining center main body, a material mounting assembly for clamping materials installed in the middle of the machining center main body, and an auxiliary testing assembly for assisting in detecting the welding seam position of the materials installed at the bottom of the machining center main body. The auxiliary testing assembly adopts a double detection head design of plane and groove, the upper detection head is used to collect the plane contact pressure, the side detection head is used to perceive the fluctuation of the groove through the built-in partition layer, and the full coverage scanning of the X-axis and Y-axis is combined to move alternately, so as to compensate for the blind area of the single visual angle laser vision sensor and solve the problem of incomplete detection of the fluctuating surface.

Description

Technical Field

[0001] This invention relates to the field of intelligent welding center technology, and in particular to a multi-pass coaxial weld robot intelligent welding center. Background Technology

[0002] In fields such as pressure vessels, nuclear power engineering, oil and gas chemical pipelines, and shipbuilding, the steel plates that need to be welded are often very thick. Faced with such thick plates, if one were to attempt... Figure 1 If the welding is completed in one go, the heat input will be too concentrated, which will lead to serious consequences such as severe deformation of the workpiece and excessive internal residual stress, ultimately affecting the structural strength.

[0003] In the past, such complex welding requirements could only be completed manually by highly skilled welders. However, with the labor shortage and the advancement of intelligent manufacturing, robotic intelligent welding centers can gradually replace highly skilled welders and complete the above requirements.

[0004] Existing robotic intelligent welding centers require a sensing system, namely a laser vision sensor, when processing steel plates. These sensors typically use a single-view laser vision system that looks down from above to observe the plate. When encountering uneven plates, the laser vision sensor often faces the challenge of being able to observe the bevel but not being able to detect whether there are uneven layers on the plate surface in real time, which in turn affects the processing efficiency of multi-layer and multi-pass welding of the plate.

[0005] Therefore, this application proposes a multi-pass coaxial weld robot intelligent welding center. Summary of the Invention

[0006] The purpose of this invention is to address the problems existing in the background art by proposing a multi-pass coaxial weld seam robot intelligent welding center.

[0007] The technical solution of the present invention: a multi-pass coaxial weld robot intelligent welding center, including a machining center body, including an intelligent welding robot arm installed on the top of the machining center body for adjusting the welding direction, and a material mounting assembly installed in the middle of the machining center body for clamping materials; An auxiliary testing assembly is installed at the bottom of the machining center body to assist in detecting the location of material welds. The auxiliary testing assembly includes a lower X-axis auxiliary rail fixedly installed at the bottom of the machining center body. A main connecting frame is fixedly installed on one side of the lower X-axis auxiliary rail. A hydraulic telescopic frame is slidably installed inside the lower X-axis auxiliary rail. A straight connecting plate is fixedly installed at the output end of the hydraulic telescopic frame. An upper X-axis auxiliary rail is slidably installed on the top of the main connecting frame. A sliding plate is slidably installed inside the upper X-axis auxiliary rail. The sliding plate and the straight connecting plate are fixedly installed. A hollow fixing plate is fixedly installed on the top of the straight connecting plate. Multiple sets of hollow connecting pipes arranged in an array are fixedly installed on the top of the hollow connecting pipes. Metal bolt sleeves are threaded onto the top of the hollow connecting pipes. A side detection head and an upper detection head are fixedly installed on the top of the metal bolt sleeves.

[0008] Optionally, the intelligent welding robot includes a first electric push assembly and an X-axis transmission rail fixedly installed on the left and right sides of the main body of the machining center. The output end of the first electric push assembly is fixedly installed with a Y-axis transmission rail, and the Y-axis transmission rail is slidably installed on the outside of the X-axis transmission rail.

[0009] Optionally, the intelligent welding robot also includes a vertical transmission track slidably mounted on the outside of the Y-axis transmission track. A second electric pushing component is fixedly mounted on the top of the vertical transmission track. A main support frame is fixedly mounted on the output end of the second electric pushing component extending into the interior of the vertical transmission track. The main support frame is slidably mounted on the outside of the vertical transmission track.

[0010] Optionally, the intelligent welding robot also includes a first motor fixedly installed on one side of the main support frame. The output end of the first motor is provided with a conveyor belt assembly. The bottom of the conveyor belt assembly is provided with a rotating frame. One end of the rotating frame extends into the interior of the main support frame and is rotatably installed inside the main support frame. The bottom of the rotating frame is provided with an intelligent welding arm.

[0011] Optionally, the auxiliary testing component further includes an airflow component fixedly installed at the bottom of the hollow fixed plate, wherein the output end of the airflow component is connected to the hollow fixed plate.

[0012] Optionally, a built-in partition layer is fixedly installed on the inner wall at the connection between the side detection head and the upper detection head, and the hollow fixing plate, the hollow connecting pipe, the upper detection head and the side detection head are all in a connected state.

[0013] Optionally, the material mounting assembly includes a sliding cylinder rotatably mounted inside the machining center body, a hollow slide rail frame fixedly mounted at the extension of the sliding cylinder, and a limit plate fixedly mounted at the bottom of the hollow slide rail frame.

[0014] Optionally, a bidirectional threaded rod is rotatably installed inside the hollow slide rail frame, a slide rail is provided on the top of the hollow slide rail frame, and a clamping plate is slidably installed on the top of the hollow slide rail frame via the slide rail, with the clamping plate threaded onto the outside of the bidirectional threaded rod.

[0015] Optionally, the number of clamping plates is two sets, and the clamping plates are provided with replaceable components inside.

[0016] Optionally, a fixed frame is fixedly installed inside the main body of the machining center, and a rotating ring frame is rotatably installed inside the fixed frame. Multiple sets of hydraulic telescopic rods arranged in a circular state about the surface of the rotating ring frame are fixedly installed between the rotating ring frame and the sliding cylinder.

[0017] Compared with the prior art, this application includes at least one of the following beneficial technical effects: 1. The auxiliary testing component adopts a dual detection head design for the plane and the bevel. The upper detection head collects the contact pressure of the plane, while the side detection head senses the undulation of the bevel through the built-in partition layer. Combined with the full-coverage scanning of the alternating movement of the X and Y axes, it makes up for the blind spots of the single-view laser vision sensor and solves the problem of incomplete detection of undulating surfaces. 2. When the steel plate is not installed, the airflow assembly inflates the detection head and performs a self-check by ensuring consistent contact with the limit plate. This quickly identifies cleaning issues or damaged parts, and only requires replacing the metal bolt sleeve to repair them, reducing maintenance costs. 3. The intelligent welding robot supports three-axis movement, and the welding head can adjust the deflection angle through the cooperation of various components to adapt to various bevels and uneven surfaces. After processing, the robot can be raised into the storage cavity to reduce the space occupied. 4. The material installation component drives two sets of clamping plates through a bidirectional threaded rod. It is compatible with steel plates of different thicknesses and is equipped with replaceable components. The limit plate and the hollow slide frame are spaced apart to allow the steel plate to bulge out and be suspended in the air, avoiding deformation caused by forced clamping and ensuring the accuracy of the welding reference. Attached Figure Description

[0018] Figure 1 A structural schematic diagram of a multi-coaxial welder intelligent welding center for robots is provided. Figure 2 A schematic diagram of the structure of the first electric pushing component of the present invention is provided; Figure 3 A schematic diagram of the Y-axis transmission track of the present invention is provided; Figure 4 A schematic diagram of the X-axis auxiliary track of the present invention is provided; Figure 5 A schematic diagram of the direct-connect plate of the present invention is provided; Figure 6 A schematic diagram of the slide cylinder of the present invention is provided; Figure 7 A schematic diagram of the main body of the machining center of the present invention is provided; Figure 8 A schematic diagram of the limiting plate of the present invention is provided; Figure 9 A schematic diagram of the built-in partition layer of the present invention is provided; Figure 10 A schematic diagram of the contact between the detection head of the present invention and the material is provided.

[0019] Reference numerals: 1. Machining center body; 2. Intelligent welding robot; 201. First electric pushing component; 202. X-axis transmission track; 203. Conveyor belt assembly; 204. First motor; 205. Second electric pushing component; 206. Rotating frame; 207. Intelligent welding arm; 208. Y-axis transmission track; 209. Vertical transmission track; 210. Main support frame; 3. Auxiliary testing component; 301. Lower X-axis auxiliary track; 302. Main connecting frame; 303. Upper X-axis auxiliary track; 304. Hydraulic telescopic... 305. Frame; 306. Straight connecting plate; 307. Slide plate; 308. Hollow fixing plate; 309. Upper detection head; 310. Side detection head; 311. Airflow assembly; 312. Built-in partition layer; 313. Hollow connecting pipe; 314. Metal bolt sleeve; 4. Material installation assembly; 401. Limiting plate; 402. Slide roller; 403. Hollow slide frame; 404. Two-way threaded rod; 405. Clamping plate; 406. Replaceable component; 407. Fixing frame; 408. Rotary ring frame; 409. Hydraulic telescopic rod. Detailed Implementation

[0020] The technical solution of this application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] The components of the embodiments of this application described and shown in the accompanying drawings can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of this application provided in the drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application.

[0022] Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0023] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0025] like Figure 1 , Figure 6 As shown, the present invention proposes a multi-pass coaxial weld robot intelligent welding center, including a machining center body 1, an intelligent welding robot 2 installed on the top of the machining center body 1 for adjusting the welding direction, a material mounting assembly 4 installed in the middle of the machining center body 1 for clamping materials, and an auxiliary testing assembly 3 installed at the bottom of the machining center body 1 for assisting in detecting the position of the material weld. The material mounting assembly 4 includes a sliding cylinder 402 rotatably installed inside the machining center body 1, a hollow slide rail 403 fixedly installed at the extension of the sliding cylinder 402, a limit plate 401 fixedly installed at the bottom of the hollow slide rail 403, a bidirectional threaded rod 404 rotatably installed inside the hollow slide rail 403, a slide rail opened on the top of the hollow slide rail 403, and a clamping plate 405 slidably installed on the top of the hollow slide rail 403 via the slide rail. The clamping plate 405 is threadedly installed on the outside of the bidirectional threaded rod 404. There are two sets of clamping plates 405, and a replaceable component 406 is provided inside the clamping plate 405.

[0026] In this embodiment, workers use lifting equipment to transport the steel plate requiring multiple welding steps to the top of the hollow slide rail frame 403. A second motor, fixedly installed on the side of the limiting plate 401, drives the bidirectional threaded rod 404 to rotate along the hollow slide rail frame 403. This second motor is a reversible motor, capable of driving the bidirectional threaded rod 404 to rotate forward or backward. The clamping plate 405 generates rotational force through its threaded connection with the bidirectional threaded rod 404. Since some components of the clamping plate 405 are located inside the bidirectional threaded rod 404, these components are limited by the slide rail and cannot rotate. Therefore, the clamping plate 405 converts the rotational force into a force that travels along the slide rail of the bidirectional threaded rod 404. The rightward sliding power causes the two sets of clamping plates 405 to contact the surface of the steel plate when the bidirectional threaded rod 404 rotates forward, thus clamping the steel plate. Similarly, when the bidirectional threaded rod 404 rotates in reverse, the two sets of clamping plates 405 move away from the surface of the steel plate. This makes it easier for workers to place the steel plate or transport the processed steel plate to the designated area. At the same time, the clamping plates 405 and the replaceable components 406 can be detached and installed. Since the thickness of the steel plate varies, and clamping only the two sides of the steel plate cannot guarantee the stability of the steel plate installation, the replaceable components 406, which are adapted to the thickness of the steel plate and also partially clamp the side of the steel plate, are used to improve the stability and safety of the entire steel plate clamping process. To further explain, there is a gap between the limiting plate 401 and the hollow slide frame 403. Since some steel surfaces are not flat and have certain protrusions, this part can be suspended at the gap to facilitate the adjustment of the steel clamping and installation position, which is beneficial for welding.

[0027] like Figures 4-5 As shown, the auxiliary testing component 3 includes a lower X-axis auxiliary rail 301 fixedly installed at the bottom of the machining center body 1. A main connecting frame 302 is fixedly installed on one side of the lower X-axis auxiliary rail 301. A hydraulic telescopic frame 304 is slidably installed inside the lower X-axis auxiliary rail 301. A straight connecting plate 305 is fixedly installed at the output end of the hydraulic telescopic frame 304. An upper X-axis auxiliary rail 303 is slidably installed on the top of the main connecting frame 302. A sliding plate 306 is slidably installed inside the upper X-axis auxiliary rail 303. The sliding plate 306 and the straight connecting plate 305 are fixedly installed. The top of the straight connecting plate 305 is fixed. A hollow fixing plate 307 is installed, and multiple sets of hollow connecting pipes 312 arranged in an array are fixedly installed on the top of the hollow fixing plate 307. A metal bolt sleeve 313 is threaded on the top of the hollow connecting pipe 312. A side detection head 309 and an upper detection head 308 are fixedly installed on the top of the metal bolt sleeve 313. A fixing frame 407 is fixedly installed inside the machining center body 1. A rotating ring frame 408 is rotatably installed inside the fixing frame 407. Multiple sets of hydraulic telescopic rods 409 arranged in a circular state about the surface of the rotating ring frame 408 are fixedly installed between the rotating ring frame 408 and the sliding cylinder 402.

[0028] In this embodiment, the surface of the intelligent welding robot 2 is equipped with a laser vision sensor, which can detect the steel part that needs to be welded. However, due to interference from the light source, viewing angle, and the volume of each component, the laser vision sensor cannot fully acquire the information of the steel welding part. In this application, when the steel is installed in the above process, the position of the steel seam that needs to be welded is on the side away from the limiting plate 401. The sliding cylinder 402 is driven to rotate 180 degrees along the machining center body 1 by an electric rotating component mounted inside the machining center body 1. At this time, one side of the steel weld is facing the auxiliary testing component 3. At this time, the hydraulic push component mounted inside the hydraulic telescopic frame 304 and the main connecting frame 302 drives the straight connecting plate 305 and the upper X-axis auxiliary track 303 to rise. The straight connecting plate 305 drives the hollow fixed plate 307 and the upper detection head 308 to rise. One side of the steel weld is in full contact with multiple sets of upper detection heads 308. The upper detection head 308 is internally designed with A pressure sensor is installed to record information about one side of the steel weld. At the same time, the electric push rod inside the lower X-axis auxiliary rail 301 drives the hydraulic telescopic frame 304 and the slide plate 306 through the straight connecting plate 305 to slide along the interior of the lower X-axis auxiliary rail 301 and the upper X-axis auxiliary rail 303 respectively, thereby expanding the detection of the steel Y-axis information. Meanwhile, the rotating frame 408 pushes the sliding cylinder 402 to slide outward along the interior of the machining center body 1 through the hydraulic telescopic rod 409. The sliding cylinder 402 pushes the limiting plate 401 and the steel plate installed on it to move along the X-axis. At this time, the upper detection head 308 can obtain the X-axis information of the steel plate. At the same time, the X-axis movement of the limiting plate 401 and the steel plate and the Y-axis movement of the upper detection head 308 are controlled by the PLC program to alternate, thereby avoiding areas of the steel plate that are not detected. In addition, the laser vision sensor is used to further improve the completeness of the steel plate basic information and improve the welding quality. It should be noted that only half of the main body 1 of the machining center is shown in the figure, while the other half of the main body 1 of the machining center is not shown in the figure. The other half of the main body 1 of the machining center is equipped with a fixed frame 407, a rotating frame 408, a hydraulic telescopic rod 409 and a sliding roller 402. At the same time, the extension of another set of sliding rollers 402 is fixed to another set of hollow slide rails 403, so that the entire material mounting assembly 4 has a certain degree of support, improving the stability of the steel plate mounted on the material mounting assembly 4. That is, it forms a double-sided support with the material mounting assembly 4, avoiding the shaking caused by single-sided load, and further improving the clamping stability. Furthermore, such as Figures 8-10The auxiliary testing component 3 also includes an airflow assembly 310 fixedly installed at the bottom of the hollow fixed plate 307. The output end of the airflow assembly 310 is connected to the hollow fixed plate 307. An internal partition layer 311 is fixedly installed on the inner wall of the connection between the side detection head 309 and the upper detection head 308. The hollow fixed plate 307 is connected to the hollow connecting pipe 312, the upper detection head 308, and the side detection head 309. (Reference) Figure 10 Some types of steel plates have undulating bevels on their surfaces. Due to the thickness variations of the steel plates, existing laser vision sensors cannot fully capture the information. In this application, the detection head 308 is used to collect information on the uniformity of the steel plate's undulations. When facing the bevel, the side detection head 309 will preferentially contact the bevel surface. At this time, the side detection head 309 deforms inward under the separation of the built-in partition layer 311. The auxiliary pressure sensor mounted on the side detection head 309 can record the bevel amplitude information of the steel plate. The information acquisition signal can be displayed as a wave shape on the terminal, which can clearly show the bevel amplitude. This allows the thickness variations of the steel plate surface to be fully collected, further improving welding stability. This explains that when the limiting plate 401 is not fitted with a steel plate and its surface faces downwards, the airflow assembly 310 fills the upper detection head 308 and the side detection head 309 with gas through the hollow fixing plate 307 and the hollow connecting pipe 312. The side detection head 309 and the upper detection head 308 expand. At this time, the auxiliary testing assembly 3 drives the side detection head 309 and the upper detection head 308 to rise and contact the limiting plate 401. Since the surface of the limiting plate 401 is flat, the information collected by the upper detection head 308 and the side detection head 309 should be the same. If the information... If the situation is different, the staff can blow air onto the surface of the limit plate 401, the upper detection head 308, and the side detection head 309, and then perform the above operation again to analyze whether it is a cleaning problem. If it is not a cleaning problem, the staff will check whether the upper detection head 308 and the side detection head 309 are damaged one by one. If individual upper detection heads 308 and side detection heads 309 are found to be damaged, the metal bolt sleeve 313 and the hollow connecting tube 312 will be manually removed and a new metal bolt sleeve 313 will be replaced to extend the life of the detection components and improve the accuracy of the detection components. When the limit plate 401 is installed on the steel plate and passes the test of the auxiliary test component 3, the electric rotating component drives the sliding cylinder 402 to rotate 180 degrees along the main body 1 of the machining center again until the steel plate with the welding surface facing up is facing up.

[0029] like Figures 2-7As shown, the intelligent welding robot 2 includes a first electric push assembly 201 and an X-axis transmission rail 202 fixedly installed on the left and right sides of the machining center body 1. A Y-axis transmission rail 208 is fixedly installed at the output end of the first electric push assembly 201. The Y-axis transmission rail 208 is slidably installed on the outside of the X-axis transmission rail 202. The intelligent welding robot 2 also includes a vertical transmission rail 209 slidably installed on the outside of the Y-axis transmission rail 208. A second electric push assembly 205 is fixedly installed on the top of the vertical transmission rail 209. The second electric push assembly 205 extends... A main support frame 210 is fixedly installed at the output end inside the vertical transmission track 209. The main support frame 210 is slidably installed on the outside of the vertical transmission track 209. The intelligent welding robot 2 also includes a first motor 204 fixedly installed on one side of the main support frame 210. A conveyor belt assembly 203 is provided at the output end of the first motor 204. A rotating frame 206 is provided at the bottom of the conveyor belt assembly 203. One end of the rotating frame 206 extends into the main support frame 210 and is rotatably installed inside the main support frame 210. An intelligent welding arm 207 is provided at the bottom of the rotating frame 206.

[0030] First, the first electric push component 201 drives the Y-axis transmission rail 208 to slide along the X-axis transmission rail 202, facilitating the intelligent welding arm 207 to weld the steel plate along the X-axis. Meanwhile, the output end of the second electric push component mounted on the surface of the Y-axis transmission rail 208 drives the second electric push component 205 to slide along the Y-axis transmission rail 208, i.e., along the Y-axis, facilitating the intelligent welding arm 207 to weld the steel plate along the Y-axis. Simultaneously, corresponding to the different welding surfaces of the steel plate, the second electric push component 205 drives the main support frame 210 to move up and down along the vertical transmission rail 209, i.e., along the Z-axis. It should be noted that as processing is completed, the second electric push... The feeding component 205 drives the main support frame 210 to rise to the top along the vertical transmission track 209. At this time, the intelligent welding arm 207 and other components can be collected in the storage cavity through the first electric pushing component 201 and the X-axis transmission track 202. Due to the unevenness of the steel plate bevel, the angle of the conventional welding head cannot be adjusted. However, in this application, the output end of the first motor 204 drives the transmission belt component 203 to rotate. The transmission belt component 203 engages with the rotating frame 206 to drive the rotating frame 206 to rotate along the main support frame 210. The rotating frame 206 then adjusts the intelligent welding arm 207 to deflect and adjust the welding angle, thereby improving the welding range and enabling better welding of different types of steel plates.

[0031] The above specific embodiments are merely several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A multi-pass coaxial weld robot intelligent welding center, comprising a machining center body (1), characterized in that, It includes an intelligent welding robot (2) installed on the top of the machining center body (1) for adjusting the welding direction, a material mounting assembly (4) installed in the middle of the machining center body (1) for holding materials, and an auxiliary testing assembly (3) installed at the bottom of the machining center body (1) for assisting in detecting the position of the material weld. The auxiliary testing component (3) includes a lower X-axis auxiliary rail (301) fixedly installed at the bottom of the machining center body (1). A main connecting frame (302) is fixedly installed on one side of the lower X-axis auxiliary rail (301). A hydraulic telescopic frame (304) is slidably installed inside the lower X-axis auxiliary rail (301). A straight connecting plate (305) is fixedly installed at the output end of the hydraulic telescopic frame (304). An upper X-axis auxiliary rail (303) is slidably installed on the top of the main connecting frame (302). A sliding plate (306) is installed inside. The sliding plate (306) and the straight connecting plate (305) are fixedly installed. A hollow fixing plate (307) is fixedly installed on the top of the straight connecting plate (305). Multiple sets of hollow connecting pipes (312) arranged in an array are fixedly installed on the top of the hollow fixing plate (307). A metal bolt sleeve (313) is threaded on the top of the hollow connecting pipe (312). A side detection head (309) and an upper detection head (308) are fixedly installed on the top of the metal bolt sleeve (313).

2. The multi-pass coaxial weld robot intelligent welding center according to claim 1, characterized in that, The intelligent welding robot (2) includes a first electric push component (201) and an X-axis transmission track (202) fixedly installed on the left and right sides of the main body (1) of the machining center. The output end of the first electric push component (201) is fixedly installed with a Y-axis transmission track (208), and the Y-axis transmission track (208) is slidably installed on the outside of the X-axis transmission track (202).

3. The multi-pass coaxial weld robot intelligent welding center according to claim 2, characterized in that, The intelligent welding robot (2) also includes a vertical transmission track (209) that is slidably installed on the outside of the Y-axis transmission track (208). A second electric push assembly (205) is fixedly installed on the top of the vertical transmission track (209). A main support frame (210) is fixedly installed on the output end of the second electric push assembly (205) that extends into the vertical transmission track (209). The main support frame (210) is slidably installed on the outside of the vertical transmission track (209).

4. The multi-pass coaxial weld robot intelligent welding center according to claim 3, characterized in that, The intelligent welding robot (2) also includes a first motor (204) fixedly installed on one side of the main support frame (210). The output end of the first motor (204) is provided with a conveyor belt assembly (203). The bottom of the conveyor belt assembly (203) is provided with a rotating frame (206). One end of the rotating frame (206) extends into the interior of the main support frame (210) and is rotatably installed inside the main support frame (210). The bottom of the rotating frame (206) is provided with an intelligent welding arm (207).

5. The multi-pass coaxial weld robot intelligent welding center according to claim 1, characterized in that, The auxiliary test component (3) also includes an airflow component (310) fixedly installed at the bottom of the hollow fixed plate (307), and the output end of the airflow component (310) is connected to the hollow fixed plate (307).

6. The multi-pass coaxial weld robot intelligent welding center according to claim 5, characterized in that, An internal partition layer (311) is fixedly installed on the inner wall at the connection between the side detection head (309) and the upper detection head (308). The hollow fixing plate (307) is connected to the hollow connecting pipe (312), the upper detection head (308) and the side detection head (309).

7. The intelligent welding center for multi-pass coaxial weld seams according to claim 1, characterized in that, The material mounting assembly (4) includes a sliding cylinder (402) rotatably mounted inside the machining center body (1), a hollow slide rail frame (403) is fixedly mounted at the extension of the sliding cylinder (402), and a limit plate (401) is fixedly mounted at the bottom of the hollow slide rail frame (403).

8. The multi-pass coaxial weld robot intelligent welding center according to claim 7, characterized in that, The hollow slide rail (403) has a bidirectional threaded rod (404) rotatably mounted inside. The top of the hollow slide rail (403) has a slide rail. The top of the hollow slide rail (403) has a clamping plate (405) slidably mounted on the slide rail. The clamping plate (405) is threaded onto the outside of the bidirectional threaded rod (404).

9. A multi-pass coaxial weld robot intelligent welding center according to claim 8, characterized in that, The number of clamping plates (405) is two sets, and the clamping plates (405) are provided with replaceable components (406) inside.

10. A multi-pass coaxial weld robot intelligent welding center according to claim 9, characterized in that, The machining center body (1) is fixedly installed with a fixed frame (407), and a rotating ring frame (408) is rotatably installed inside the fixed frame (407). Multiple sets of hydraulic telescopic rods (409) arranged in a circular state about the surface of the rotating ring frame (408) are fixedly installed between the rotating ring frame (408) and the sliding cylinder (402).

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