Welding device for stainless steel welded pipe

Abstract

The utility model relates to the technical field of stainless steel welded pipe processing, and discloses a welding device for a stainless steel welded pipe, which comprises a base, and further comprises a fixing mechanism, a rotating mechanism, a transverse moving mechanism and a welding mechanism, the bottom end of the transverse moving mechanism is fixedly connected with the top end of the welding mechanism, and the bottom end of the rotating mechanism is fixedly connected with the top end of the base. In the using process, a stainless steel pipe needing to be welded penetrates through the center of the fixing mechanism, the stainless steel pipe is fixed through the fixing mechanism, a first servo motor drives a transmission rod to rotate, and a driving gear and a driven gear are meshed with each other to drive a fixing disc to rotate; and the transverse moving mechanism drives the welding mechanism to move in the transverse direction and pushes the welding mechanism to move downwards to be close to the welding position of the stainless steel pipe for welding, and the flexibility of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel welded pipe processing, and more specifically to a welding device for stainless steel welded pipes. Background Art

[0002] Stainless steel welded pipe is a pipe made of stainless steel material, connected by welding process. Due to its corrosion resistance, high temperature resistance, high strength and beautiful appearance, it is widely used in pipeline systems in the fields of petrochemical, food processing, medicine, shipbuilding, aerospace, etc. It is also commonly used in building decoration, furniture manufacturing, etc. With the advancement of technology, stainless steel welded pipes are often processed by welding devices instead of traditional manual methods.

[0003] Insufficient existing technology: When using a welding device to weld stainless steel welded pipes, improving the quality of welding requires the use of a fixing device to fix the stainless steel pipe. However, the existing fixing device has poor flexibility. When welding the pipe, the pipe needs to be manually moved to facilitate welding at different positions. Each movement requires the position of the pipe to be corrected, which affects work efficiency and is prone to errors. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides a welding device for a stainless steel welded pipe to solve the problems existing in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A welding device for stainless steel welded pipes, comprising a base, and also comprising: a fixing mechanism, a rotating mechanism, a transverse mechanism and a welding mechanism, the top of the base is fixedly connected to the bottom end of the transverse mechanism, the bottom end of the transverse mechanism is fixedly connected to the top of the welding mechanism, the bottom end of the rotating mechanism is fixedly connected to the top of the base, the side of the fixing mechanism is movably connected to the side inner wall of the rotating mechanism, the rotating mechanism comprises a track plate, the bottom end of the track plate is fixedly connected to a support frame, the bottom end of the support frame is fixedly connected to the top of the base, the top of the base is fixedly connected to a first servo motor, the output shaft of the first servo motor is fixedly connected to a transmission rod, the side of the transmission rod is fixedly sleeved with a driving gear, the bottom end of the track plate is provided with a through hole, the fixing mechanism comprises a fixing plate, the side of the fixing plate is movably sleeved with the side inner wall of the track plate, the side of the fixing plate is fixedly sleeved with a driven gear, and the side of the driven gear is meshed with the side of the driving gear.

[0006] Furthermore, the side inner wall of the fixed plate is movably sleeved with a movable plate, the side inner wall of the movable plate is fixedly connected to a limiting rod, the side inner wall of the limiting rod is movably connected to the fixed rod, the side inner wall of the movable plate is movably connected to a support rod via a pin, and the bottom end of the fixed rod is movably connected to the top end of the support rod via a pin.

[0007] Furthermore, a mounting groove is provided on the inner wall of the side of the fixed plate, and a pneumatic telescopic rod is movably connected to the side of the mounting groove through a pin, and the bottom end of the pneumatic telescopic rod is movably connected to the side of the movable plate through a pin.

[0008] Furthermore, the top end of the fixing rod is fixedly connected to a mounting frame, and the top end of the mounting frame is fixedly connected to a roller.

[0009] Furthermore, the transverse movement mechanism includes a gantry, the bottom end of the gantry is fixedly connected to the top of the base, a slide groove is provided at the top of the gantry, a threaded block is movably connected to the side of the slide groove, a second servo motor is fixedly connected to the top of the gantry, a threaded rod is fixedly sleeved on the output shaft of the second servo motor, the side of the threaded rod is threadedly connected to the inner wall of the side of the threaded block, the bottom end of the threaded block is fixedly connected to a hydraulic telescopic rod, and the bottom end of the hydraulic telescopic rod is fixedly connected to the top of the welding mechanism.

[0010] Furthermore, the center of the orbital disk coincides with the center of the fixed disk, and a line connecting the centers of the fixed disk and the threaded rod are in the same vertical plane.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model fixes the stainless steel pipe through the fixing mechanism by passing the stainless steel pipe to be welded through the center of the fixing mechanism during use. During the welding process, the first servo motor drives the transmission rod to rotate, and drives the fixing plate to rotate through the mutual engagement of the driving gear and the driven gear, so that the fixing mechanism drives the stainless steel pipe to rotate along its center, and the transverse movement mechanism drives the welding mechanism to move in the transverse direction and pushes the welding mechanism downward to the welding position of the stainless steel pipe for welding, which is conducive to improving the flexibility of the equipment.

[0013] 2. The utility model drives the threaded rod to rotate through the second servo motor, drives the threaded block to move horizontally along the slide groove to a suitable position through the thread, and the hydraulic telescopic rod pushes the welding mechanism to make the welding mechanism contact with the top of the stainless steel pipe for welding, and cooperates with the rotating mechanism to weld the entire surface of the stainless steel pipe, which is conducive to improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the transverse movement mechanism of the utility model;

[0016] Figure 3 This is a schematic diagram of the rotating mechanism structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the track plate of the utility model;

[0018] Figure 5 It is a schematic diagram of the structure of the fixing mechanism of the utility model;

[0019] Figure 6 This is a schematic diagram of the mounting frame structure of the utility model.

[0020] The accompanying drawings are marked as follows: 1. base; 2. fixing mechanism; 201. fixed plate; 202. movable plate; 203. pneumatic telescopic rod; 204. support rod; 205. limit rod; 206. mounting groove; 207. driven gear; 208. mounting frame; 209. fixing rod; 210. roller; 3. rotating mechanism; 301. track plate; 302. first servo motor; 303. support frame; 304. driving gear; 305. transmission rod; 4. transverse mechanism; 401. gantry; 402. slide groove; 403. hydraulic telescopic rod; 404. second servo motor; 405. threaded block; 406. threaded rod; 5. welding mechanism. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The welding device for a stainless steel welded pipe involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0022] Reference Figures 1 to 6The utility model provides a welding device for stainless steel welded pipes, including a base 1, and also includes: a fixing mechanism 2, a rotating mechanism 3, a transverse mechanism 4 and a welding mechanism 5. The top of the base 1 is fixedly connected to the bottom end of the transverse mechanism 4, the bottom end of the transverse mechanism 4 is fixedly connected to the top of the welding mechanism 5, the bottom end of the rotating mechanism 3 is fixedly connected to the top of the base 1, the side of the fixing mechanism 2 is movably connected to the side inner wall of the rotating mechanism 3, the rotating mechanism 3 includes a track plate 301, the bottom end of the track plate 301 is fixedly connected to a support frame 303, the bottom end of the support frame 303 is fixedly connected to the top of the base 1, the top of the base 1 is fixedly connected to a first servo motor 302, the output shaft of the first servo motor 302 is fixedly connected to a transmission rod 305, the side of the transmission rod 305 is fixedly sleeved with a driving gear 304, the track plate A through hole is provided at the bottom end of 301, and the fixing mechanism 2 includes a fixing plate 201, and the side surface of the fixing plate 201 is movably sleeved with the inner wall of the side surface of the track plate 301, and the side surface of the fixing plate 201 is fixedly sleeved with a driven gear 207, and the side surface of the driven gear 207 is meshed with the side surface of the driving gear 304, and the four rotating mechanisms 3 are evenly distributed on the top of the base 1. During use, the stainless steel pipe to be welded passes through the center of the fixing mechanism 2, and the stainless steel pipe is fixed by the fixing mechanism 2. During the welding process, the first servo motor 302 drives the transmission rod 305 to rotate through the mutual meshing of the driving gear 304 and the driven gear 207 to drive the fixing plate 201 to rotate, so that the fixing mechanism 2 drives the stainless steel pipe to rotate along its center, and the transverse movement mechanism 4 drives the welding mechanism 5 to weld near the welding position of the stainless steel pipe.

[0023] Among them, the side inner wall of the fixed disk 201 is movably connected with the movable disk 202, the side inner wall of the movable disk 202 is fixedly connected with the limiting rod 205, the side inner wall of the limiting rod 205 is movably connected with the fixed rod 209, the side inner wall of the movable disk 202 is movably connected with the support rod 204 through a pin, the bottom end of the fixing rod 209 is movably connected to the top end of the supporting rod 204 through a pin, and the four limiting rods 205 are evenly distributed on the side inner wall of the fixed disk 201, and all point to the center of the fixed disk 201. When fixing the stainless steel pipe, the movable disk 202 is rotated to make the end of the supporting rod 204 rotate along the pin on the side of the movable disk 202, and the top end of the supporting rod 204 rotates along the pin at the bottom end of the fixing rod 209, thereby pushing the fixing rod 209 to move toward the center along the side of the limiting rod 205, so that the four mounting frames 208 are tightly attached to the side of the stainless steel pipe for fixing.

[0024] Among them, an installation groove 206 is opened on the inner wall of the side of the fixed plate 201, and the side of the installation groove 206 is movably connected to a pneumatic telescopic rod 203 through a pin. The bottom end of the pneumatic telescopic rod 203 is movably connected to the side of the movable plate 202 through a pin. The pneumatic telescopic rod 203 is extended and retracted to drive the movable plate 202 to rotate along the inner wall of the side of the fixed plate 201.

[0025] The top of the fixing rod 209 is fixedly connected to the mounting frame 208, and the top of the mounting frame 208 is fixedly connected to the roller 210. When the fixing rod 209 approaches the stainless steel pipe, the arc structure at the top of the roller 210 contacts the stainless steel pipe, increasing the stability during fixation.

[0026] Among them, the transverse movement mechanism 4 includes a gantry 401, the bottom end of the gantry 401 is fixedly connected to the top of the base 1, a slide groove 402 is opened at the top of the gantry 401, and a threaded block 405 is movably connected to the side of the slide groove 402, and the top of the gantry 401 is fixedly connected to the second servo motor 404, and the output shaft of the second servo motor 404 is fixedly sleeved with a threaded rod 406, and the side of the threaded rod 406 is threadedly connected to the inner wall of the side of the threaded block 405, and the bottom end of the threaded block 405 is fixedly connected to a hydraulic telescopic rod 403, and the bottom end of the hydraulic telescopic rod 403 is fixedly connected to the top of the welding mechanism 5, and the second servo motor 404 drives the threaded rod 406 to rotate, and drives the threaded block 405 to move laterally to a suitable position along the slide groove 402 through the thread, and the hydraulic telescopic rod 403 pushes the welding mechanism 5 so that the welding mechanism 5 contacts the top of the stainless steel pipe for welding.

[0027] The center of the track plate 301 coincides with the center of the fixed plate 201 , and the line connecting the centers of the fixed plate 201 and the threaded rod 406 are in the same vertical plane.

[0028] The working principle of the utility model is as follows: the stainless steel pipe to be welded is passed through the center of the movable disk 202, and the pneumatic telescopic rod 203 is telescopic to drive the movable disk 202 to rotate along the inner wall of the side of the fixed disk 201, so that the end of the support rod 204 rotates along the pin on the side of the movable disk 202, and the top of the support rod 204 rotates along the pin at the bottom end of the fixed rod 209, thereby pushing the fixed rod 209 to move toward the center along the side of the limit rod 205, so that the arc surface of the roller 210 is fixed to the stainless steel pipe. During welding, the first servo motor 302 is started to drive the transmission rod 305 to rotate, and the active gear 304 and the driven gear 207 are engaged with each other to drive the fixed disk 201 to rotate, so that the fixing mechanism 2 drives the stainless steel pipe to rotate along its center, and the second servo motor 404 is started to drive the threaded rod 406 to rotate, and the threaded block 405 is driven to move horizontally to a suitable position along the slide groove 402 through the thread, and the hydraulic telescopic rod 403 pushes the welding mechanism 5 so that the welding mechanism 5 contacts the top of the stainless steel pipe for welding.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding device for a stainless steel welded pipe, comprising a base (1), characterized in that: Also includes: A fixing mechanism (2), a rotating mechanism (3), a transverse movement mechanism (4) and a welding mechanism (5), wherein the top end of the base (1) is fixedly connected to the bottom end of the transverse movement mechanism (4), the bottom end of the transverse movement mechanism (4) is fixedly connected to the top end of the welding mechanism (5), the bottom end of the rotating mechanism (3) is fixedly connected to the top end of the base (1), the side surface of the fixing mechanism (2) is movably connected to the inner wall of the side surface of the rotating mechanism (3), the rotating mechanism (3) comprises a track plate (301), the bottom end of the track plate (301) is fixedly connected to a support frame (303), the bottom end of the support frame (303) is fixedly connected to the top end of the base (1), The top of the base (1) is fixedly connected to a first servo motor (302), the output shaft of the first servo motor (302) is fixedly connected to a transmission rod (305), the side of the transmission rod (305) is fixedly sleeved with a driving gear (304), the bottom of the track plate (301) is provided with a through hole, the fixing mechanism (2) comprises a fixing plate (201), the side of the fixing plate (201) is movably sleeved with the inner wall of the side of the track plate (301), the side of the fixing plate (201) is fixedly sleeved with a driven gear (207), and the side of the driven gear (207) is meshed with the side of the driving gear (304).

2. A welding device for stainless steel welded pipe according to claim 1, characterized in that: The inner side wall of the fixed disk (201) is movably connected to the movable disk (202), the inner side wall of the movable disk (202) is fixedly connected to a limiting rod (205), the inner side wall of the limiting rod (205) is movably connected to a fixed rod (209), the inner side wall of the movable disk (202) is movably connected to a support rod (204) via a pin, and the bottom end of the fixed rod (209) is movably connected to the top end of the support rod (204) via a pin.

3. A welding device for stainless steel welded pipe according to claim 2, characterized in that: The inner wall of the side of the fixed plate (201) is provided with a mounting groove (206), the side of the mounting groove (206) is movably connected to a pneumatic telescopic rod (203) via a pin, and the bottom end of the pneumatic telescopic rod (203) is movably connected to the side of the movable plate (202) via a pin.

4. A welding device for stainless steel welded pipe according to claim 2, characterized in that: The top end of the fixing rod (209) is fixedly connected to a mounting frame (208), and the top end of the mounting frame (208) is fixedly connected to a roller (210).

5. The welding device for stainless steel welded pipe according to claim 1, characterized in that: The transverse movement mechanism (4) comprises a gantry (401), the bottom end of the gantry (401) is fixedly connected to the top end of the base (1), the top end of the gantry (401) is provided with a slide groove (402), the side of the slide groove (402) is movably connected with a threaded block (405), the top end of the gantry (401) is fixedly connected to a second servo motor (404), the output shaft of the second servo motor (404) is fixedly sleeved with a threaded rod (406), the side of the threaded rod (406) is threadedly connected to the inner wall of the side of the threaded block (405), the bottom end of the threaded block (405) is fixedly connected to a hydraulic telescopic rod (403), and the bottom end of the hydraulic telescopic rod (403) is fixedly connected to the top end of the welding mechanism (5).

6. A welding device for stainless steel welded pipe according to claim 2, characterized in that: The center of the track plate (301) coincides with the center of the fixed plate (201), and the line connecting the centers of the fixed plate (201) and the threaded rod (406) are in the same vertical plane.

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