Welding equipment for processing building pipes

Abstract

The present invention discloses a welding device for processing building pipes, which relates to the technical field of pipe welding and includes a base plate, wherein the top side wall of the base plate is symmetrically provided with two first grooves, the inner walls of the first grooves are fixedly connected with first electric slide rails, and the top side wall of the first electric slide rails is slidably connected with first slide plates. The present invention can adjust the angle of the second U-plate according to the main pipe angle of pipes of different special shapes, so that the inclination angle of the second clamping plate matches the inclination angle of the main pipe, and can adjust the angle of the fourth U-plate according to the angle of the side pipe, so that the inclination angle of the third clamping plate matches the inclination angle of the side pipe. At the same time, the distance between the corresponding sixth U-plate and the fifth U-plate can be adjusted according to the length of the required welded branch pipe, so as to facilitate the fixing of branch pipes of different lengths, thereby greatly improving the welding efficiency and reliability of the device when welding pipes of special shapes.

Description

Technical Field

[0001] The invention belongs to the technical field of pipe welding, and in particular relates to welding equipment for processing building pipes. Background Art

[0002] In the construction industry, specially shaped pipes are often used to meet specific design needs or functional requirements. These pipes may have non-traditional shapes to accommodate complex building structures or enhance the aesthetics of a building.

[0003] When processing special-shaped pipes, it is necessary to weld the branch pipe to the pipe composed of the main pipe and the side pipe to facilitate subsequent adaptation to complex building structures. When the existing technology needs to weld special-shaped pipes, since special-shaped pipes need to be suitable for different building structures, the angles of the processed pipes are also different. When it is necessary to weld the branch pipe to the special-shaped pipe, the special-shaped pipes at different angles require corresponding fixed workpieces to fix the pipes, and different fixed workpieces need to be replaced according to the specific angles of the special-shaped pipes, which is inefficient. At the same time, after fixing the special-shaped pipes with the corresponding fixed workpieces, the staff is required to hold the branch pipe by hand to make the branch pipe contact with the special-shaped pipe, and then use a welding gun to weld the contact position. The steps are cumbersome, which greatly reduces the welding efficiency and reliability when welding building pipes.

[0004] Therefore, we propose a welding device for processing building pipes to solve the above problems. Summary of the Invention

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] The top side wall of the base plate is symmetrically provided with two first grooves, the inner walls of the first grooves are fixedly connected to the first electric slide rail, the top side wall of the first electric slide rail is slidably connected to the first slide plate, the top side wall of the first slide plate is fixedly connected to the first electric telescopic rod, the telescopic ends of the first electric telescopic rod are fixedly connected to the side plate, one end side wall of the side plate is fixedly connected to the second electric telescopic rod, the telescopic end of the second electric telescopic rod is fixedly connected to the three-axis robotic arm, one end of the three-axis robotic arm is fixedly connected to the welding gun, the top side wall of the base plate is provided with a bottom fixing assembly, the top side wall of the base plate is symmetrically provided with two second grooves, the inner walls of the second grooves are fixedly connected to the main pipe fixing assembly, the top side wall of the base plate is symmetrically provided with two third grooves, the inner wall of one end of the third groove is fixedly connected to the side pipe fixing assembly, and the top side wall of the base plate is symmetrically fixedly connected to the branch pipe fixing assembly.

[0007] Preferably, the main pipe fixing assembly includes a second electric slide rail fixedly connected to the inner wall of the second groove, the top side walls of the second electric slide rail are slidably connected to the second slide plate, the top side walls of the second slide plate are fixedly connected to the fourth electric telescopic rod, the telescopic ends of the fourth electric telescopic rod are fixedly connected to the first U-plate, the inner wall of the first U-plate is rotatably connected to the first round rod, and the rod wall of the first round rod is fixedly connected to the second U-plate.

[0008] Preferably, a first motor is fixedly connected to the side wall of one end of the first U-plate, the output end of the first motor passes through the side wall of the first U-plate and is fixedly connected to one end of the first round rod, and two fifth electric telescopic rods are symmetrically fixedly connected to the inner wall of the second U-plate, and the telescopic ends of the fifth electric telescopic rods are both fixedly connected to the second clamping plate.

[0009] Preferably, the side tube fixing assembly includes a sixth electric telescopic rod fixedly connected to the inner wall of one end of the third groove, the telescopic end of the sixth electric telescopic rod is fixedly connected to the first fixing plate, the inner wall of the first fixing plate is fixedly connected to the third electric slide rail, the top side wall of the third electric slide rail is slidably connected to two third slides, the top side walls of the two third slides are fixedly connected to the third U-plate, the inner wall of the third U-plate is rotatably connected to the second round rod, and the rod walls of the second round rod are fixedly connected to the thirteenth electric telescopic rod.

[0010] Preferably, the telescopic ends of the thirteenth electric telescopic rod are fixedly connected to the fourth U-plate, the side wall of one end of the third U-plate is fixedly connected to the second motor, the output end of the second motor passes through the side wall of the third U-plate and is fixedly connected to one end of the second round rod, and two seventh electric telescopic rods are symmetrically fixedly connected to the inner wall of the fourth U-plate, and the telescopic ends of the seventh electric telescopic rods are fixedly connected to the third clamping plate.

[0011] Preferably, the branch pipe fixing assembly includes two eighth electric telescopic rods symmetrically fixedly connected to the top side walls of the base plate, the telescopic ends of the eighth electric telescopic rods are fixedly connected to the same second fixed plate, the inner wall of the second fixed plate is fixedly connected to the fourth electric slide rail, the bottom side walls of the fourth electric slide rail are slidably connected to two fourth slides, the bottom side walls of the two fourth slides are fixedly connected to the ninth electric telescopic rod, the telescopic ends of the ninth electric telescopic rods are fixedly connected to the fifth U-plate, the inner wall of the fifth U-plate is symmetrically fixedly connected to two tenth electric telescopic rods, and the telescopic ends of the tenth electric telescopic rods are fixedly connected to the fourth splint.

[0012] Preferably, the bottom end side wall of the fourth electric slide rail is also slidably connected to two fifth slides, the bottom end side walls of the fifth slide are fixedly connected to the third fixed plate, the inner walls of the third fixed plate are fixedly connected to the fifth electric slide rail, the bottom end side walls of the fifth electric slide rail are slidably connected to two sixth slides, the bottom end side walls of the sixth slide are fixedly connected to the eleventh electric telescopic rod, the telescopic ends of the eleventh electric telescopic rod are fixedly connected to the sixth U-plate, the inner wall of the sixth U-plate is symmetrically fixedly connected to two twelfth electric telescopic rods, and the telescopic ends of the twelfth electric telescopic rod are fixedly connected to the fifth splint.

[0013] Preferably, the bottom fixing assembly includes a fourth groove opened on the top side wall of the bottom plate, the inner wall of the fourth groove is fixedly connected to a plurality of third electric telescopic rods, and the telescopic ends of the third electric telescopic rods are all fixedly connected to the first clamping plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The bottom fixing assembly, main pipe fixing assembly, side pipe fixing assembly and branch pipe fixing assembly provided can adjust the angle of the second U plate according to the main pipe angle of different special-shaped pipes, so that the inclination angle of the second clamping plate matches the inclination angle of the main pipe, which is convenient for fixing the main pipe of the special-shaped pipe, and can adjust the angle of the fourth U plate according to the angle of the side pipe, so that the inclination angle of the third clamping plate matches the inclination angle of the side pipe, which is convenient for fixing the side pipe with the third clamping plate, avoiding the need to replace the corresponding fixing workpiece according to the specific inclination angle of the special-shaped pipe when fixing the special-shaped pipe, reducing operations, and at the same time, can adjust the distance between the corresponding sixth U plate and the fifth U plate according to the length of the required welded branch pipe, which is convenient for fixing branch pipes of different lengths, avoiding the need for staff to hold the branch pipe by hand for welding, and greatly improving the welding efficiency and reliability of the device when welding special-shaped pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 This is a schematic diagram of other angle structures of the present invention Figure 1 ;

[0018] Figure 3 For the present invention Figure 2 A magnified view of part A;

[0019] Figure 4 This is a schematic diagram of other angle structures of the present invention Figure 2 ;

[0020] Figure 5 For the present invention Figure 4 A magnified view of part B;

[0021] Figure 6 Schematic diagram of part of the structure of the present invention Figure 1 ;

[0022] Figure 7 Schematic diagram of part of the structure of the present invention Figure 2 ;

[0023] Figure 8 Schematic diagram of part of the structure of the present invention Figure 3 .

[0024] In the figure: 1. bottom plate; 2. first groove; 3. first electric slide rail; 4. first slide plate; 5. first electric telescopic rod; 6. side plate; 7. second electric telescopic rod; 8. three-axis robotic arm; 9. welding gun; 10. bottom fixing assembly; 101. fourth groove; 102. third electric telescopic rod; 103. first clamping plate; 11. second groove; 12. main pipe fixing assembly; 121. second electric slide rail; 122. second slide plate; 123. fourth electric telescopic rod; 124. first U plate; 125. first round rod; 126. second U plate; 127. first motor; 128. fifth electric telescopic rod; 129. second clamping plate; 13. third groove; 14. side pipe fixing assembly; 141. sixth electric telescopic rod; 142. first fixing plate; 143. third electric slide rail ;144. Third slide plate;145. Third U plate;146. Second round rod;147. Fourth U plate;148. Second motor;149. Seventh electric telescopic rod;1410. Third clamping plate;1411. Thirteenth electric telescopic rod;15. Branch pipe fixing assembly;151. Eighth electric telescopic rod;152. Second fixed plate;153. Fourth electric slide rail;154. Fourth slide plate;155. Ninth electric telescopic rod;156. Fifth U plate;157. Tenth electric telescopic rod;158. Fourth clamping plate;159. Fifth slide plate;1510. Third fixed plate;1511. Fifth electric slide rail;1512. Sixth slide plate;1513. Eleventh electric telescopic rod;1514. Sixth U plate;1515. Twelfth electric telescopic rod;1516. Fifth clamping plate. DETAILED DESCRIPTION

[0025] 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 are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] The following electrical components are all electrically connected to the peripheral PLC controller.

[0027] Reference Figure 1 - Figure 8, a welding equipment for processing building pipes, including a base plate 1, the top side wall of the base plate 1 is symmetrically provided with two first grooves 2, the inner walls of the first grooves 2 are fixedly connected with a first electric slide rail 3, the top side wall of the first electric slide rail 3 is slidably connected with a first slide plate 4, the top side wall of the first slide plate 4 is fixedly connected with a first electric telescopic rod 5, the telescopic ends of the first electric telescopic rod 5 are fixedly connected with a side plate 6, one end side wall of the side plate 6 is fixedly connected with a second electric telescopic rod 7, the telescopic end of the second electric telescopic rod 7 is fixedly connected with a three-axis robotic arm 8, one end of the three-axis robotic arm 8 is fixedly connected with a welding gun 9, the top side wall of the base plate 1 is provided with a bottom fixing assembly 10, the top side wall of the base plate 1 is symmetrically provided with two second grooves 11, the inner walls of the second grooves 11 are fixedly connected with a main pipe fixing assembly 12, the top side wall of the base plate 1 is symmetrically provided with two third grooves 13, the inner wall of one end of the third groove 13 is fixedly connected with a side pipe fixing assembly 14, and the top side wall of the base plate 1 is symmetrically fixed with a branch pipe fixing assembly 15.

[0028] In the embodiment, the main pipe fixing assembly 12 includes a second electric slide rail 121 fixedly connected to the inner wall of the second groove 11, the top side walls of the second electric slide rail 121 are slidably connected to the second slide plate 122, the top side walls of the second slide plate 122 are fixedly connected to the fourth electric telescopic rod 123, the telescopic ends of the fourth electric telescopic rod 123 are fixedly connected to the first U-plate 124, the inner wall of the first U-plate 124 is rotatably connected to the first round rod 125, and the rod wall of the first round rod 125 is fixedly connected to the second U-plate 126;

[0029] A first motor 127 is fixedly connected to the side wall of one end of the first U-plate 124, and the output end of the first motor 127 passes through the side wall of the first U-plate 124 and is fixedly connected to one end of the first round rod 125. Two fifth electric telescopic rods 128 are symmetrically fixedly connected to the inner wall of the second U-plate 126, and the telescopic ends of the fifth electric telescopic rods 128 are both fixedly connected to the second clamping plate 129.

[0030] Specifically, the angle of the second U plate 126 can be adjusted according to the main pipe angle of different special shapes of pipes, so that the inclination angle of the second clamping plate 129 matches the inclination angle of the main pipe, which is convenient for fixing the main pipe of the special shape.

[0031] In the embodiment, the side tube fixing assembly 14 includes a sixth electric telescopic rod 141 fixedly connected to the inner wall of one end of the third groove 13, the telescopic end of the sixth electric telescopic rod 141 fixedly connected to the first fixing plate 142, the inner wall of the first fixing plate 142 fixedly connected to the third electric slide rail 143, the top side wall of the third electric slide rail 143 is slidably connected to two third slide plates 144, the top side walls of the two third slide plates 144 are both fixedly connected to a third U-plate 145, the inner wall of the third U-plate 145 is rotatably connected to a second round rod 146, and the rod wall of the second round rod 146 is fixedly connected to the thirteenth electric telescopic rod 1411;

[0032] The telescopic ends of the thirteenth electric telescopic rod 1411 are fixedly connected to the fourth U-plate 147, and the side wall of one end of the third U-plate 145 is fixedly connected to the second motor 148. The output end of the second motor 148 passes through the side wall of the third U-plate 145 and is fixedly connected to one end of the second round rod 146. Two seventh electric telescopic rods 149 are symmetrically fixedly connected to the inner wall of the fourth U-plate 147. The telescopic ends of the seventh electric telescopic rod 149 are fixedly connected to the third clamping plate 1410.

[0033] Specifically, the angle of the fourth U plate 147 can be adjusted according to the angle of the side tube so that the inclination angle of the third clamping plate 1410 matches the inclination angle of the side tube, which facilitates the use of the third clamping plate 1410 to fix the side tube, avoiding the need to replace the corresponding fixing workpiece according to the specific inclination angle of the special-shaped pipe when fixing the special-shaped pipe, thereby reducing operations.

[0034] In the embodiment, the branch pipe fixing assembly 15 includes two eighth electric telescopic rods 151 symmetrically fixedly connected to the top side wall of the base plate 1, the telescopic ends of the eighth electric telescopic rods 151 are fixedly connected to the same second fixing plate 152, the inner wall of the second fixing plate 152 is fixedly connected to a fourth electric slide rail 153, the bottom side wall of the fourth electric slide rail 153 is slidably connected to two fourth slide plates 154, the bottom side walls of the two fourth slide plates 154 are both fixedly connected to a ninth electric telescopic rod 155, the telescopic ends of the ninth electric telescopic rod 155 are both fixedly connected to a fifth U-plate 156, the inner wall of the fifth U-plate 156 is symmetrically fixedly connected to two tenth electric telescopic rods 157, and the telescopic ends of the tenth electric telescopic rod 157 are both fixedly connected to a fourth clamping plate 158;

[0035] The bottom side walls of the fourth electric slide rail 153 are also slidably connected to two fifth slides 159, the bottom side walls of the fifth slide rail 159 are fixedly connected to the third fixed plate 1510, the inner walls of the third fixed plate 1510 are fixedly connected to the fifth electric slide rail 1511, the bottom side walls of the fifth electric slide rail 1511 are slidably connected to two sixth slides 1512, the bottom side walls of the sixth slide rail 1512 are fixedly connected to the eleventh electric telescopic rod 1513, the telescopic ends of the eleventh electric telescopic rod 1513 are fixedly connected to the sixth U-plate 1514, the inner wall of the sixth U-plate 1514 is symmetrically fixedly connected to two twelfth electric telescopic rods 1515, the telescopic ends of the twelfth electric telescopic rod 1515 are fixedly connected to the fifth clamping plate 1516.

[0036] Specifically, the distance between the corresponding sixth U plate 1514 and the fifth U plate 156 can be adjusted according to the length of the required welded branch pipe, which is convenient for fixing branch pipes of different lengths and avoids the need for workers to hold the branch pipes by hand for welding, thereby greatly improving the welding efficiency and reliability of the device when welding special-shaped pipes.

[0037] In the embodiment, the bottom fixing assembly 10 includes a fourth groove 101 opened on the top side wall of the bottom plate 1, and the inner wall of the fourth groove 101 is fixedly connected to multiple third electric telescopic rods 102, and the telescopic ends of the third electric telescopic rods 102 are all fixedly connected to the first clamping plate 103.

[0038] Specifically, the bottom end of the specially shaped pipe is placed into the fourth groove 101 , and then the third electric telescopic rod 102 is controlled to start, driving the first clamping plate 103 to move, and the bottom end of the pipe is fixed by the first clamping plate 103 .

[0039] The operating principle of the present invention is now described as follows:

[0040] In the present invention, when it is necessary to weld a special-shaped building pipe to a branch pipe, the worker first places the bottom end of the special-shaped pipe into the fourth groove 101, then controls the third electric telescopic rod 102 to start, drives the first clamping plate 103 to move, and uses the first clamping plate 103 to fix the bottom end of the pipe, then controls the second electric slide rail 121 to start, drives the second slide plate 122 to move, so that the first U plate 124 and the second U plate 126 are located below the corresponding special-shaped main pipe, then controls the first motor 127 to start, drives the first round rod 125 to rotate, and during the rotation of the first round rod 125, drives the second U plate 126 to rotate, so that the inclination angle of the second U plate 126 matches the inclination angle of the corresponding main pipe. , then the fourth electric telescopic rod 123 is controlled to start, driving the first U plate 124 and the second U plate 126 to move upward, so that the second clamping plate 129 is located on both sides of the corresponding main pipe, and then the fifth electric telescopic rod 128 is controlled to start, driving the second clamping plate 129 to move, and the second clamping plate 129 is used to fix the outer wall of the main pipe of the special shape pipe, and then the second motor 148 is controlled to start, driving the second round rod 146 to rotate, so that the thirteenth electric telescopic rod 1411 drives the fourth U plate 147 to rotate. After the inclination angle of the fourth U plate 147 matches the inclination angle of the corresponding side pipe, the second motor 148 is controlled to be turned off, and then the sixth electric telescopic rod 141 is controlled to start, driving the first fixed plate 142 to move, so that the thirteenth electric telescopic rod When the retracted rod 1411 is extended to drive the fourth U-plate 147 to move outward, the inner walls of the fourth U-plate 147 can be located on both sides of the corresponding side tube. After the fourth U-plate 147 reaches the desired position, the thirteenth electric telescopic rod 1411 is controlled to start, driving the fourth U-plate 147 to move, so that the third clamping plate 1410 is located on one side of the corresponding side tube. Then, the seventh electric telescopic rod 149 is controlled to start, driving the third clamping plate 1410 to move, and the side tube of the special-shaped pipe is fixed by the third clamping plate 1410. At this time, the fixation of the special-shaped pipe is completed. Then, the fourth electric slide rail 153 is controlled to start, driving the two fourth slides 154 to move, so that the distance between the two fourth slides 154 is consistent with the branch pipe that needs to be welded to the upper end of the main pipe. The lengths are matched. Then, the staff will place the branch pipe to be welded to the upper end of the main pipe into the two fifth U plates 156. Then, the tenth electric telescopic rod 157 is controlled to start, driving the fourth clamping plate 158 to move. The branch pipe to be welded to the upper end of the main pipe is fixed by the fourth clamping plate 158. Then, the fourth electric slide rail 153 is controlled to start, driving the two fifth slide plates 159 to move, so that the third fixing plates 1510 below the two fifth slide plates 159 are respectively located above the side pipes corresponding to the special-shaped pipes. Then, the fifth electric slide rail 1511 is controlled to start, driving the corresponding two sixth slide plates 1512 to move, so that the distance between the corresponding two sixth slide plates 1512 matches the length of the branch pipe to be welded to the upper end of the side pipe.Afterwards, the staff will put the branch pipe that needs to be welded at the upper end of the side pipe into the corresponding two sixth U-plates 1514, and then control the twelfth electric telescopic rod 1515 to start, drive the fifth clamping plate 1516 to move, and use the fifth clamping plate 1516 to fix the branch pipe that needs to be welded at the upper end of the side pipe, and then control the eleventh electric telescopic rod 1513 and the ninth electric telescopic rod 155 to start, drive the corresponding sixth U-plate 1514 and the fifth U-plate 156 to move downward, so that the branch pipe that needs to be welded at the upper end of the side pipe and the branch pipe that needs to be welded at the upper end of the main pipe are both in conflict with the upper ends of the corresponding side pipes and main pipes, and then control the first electric slide rail 3 to start, drive the first slide plate 4 to move, to adjust the left and right positions of the welding, and then control the first electric telescopic rod 5 to start and drive the side plate 6 and the welding gun 9 to move upward, so that the welding gun 9 corresponds to the position where welding is required, and then control the second electric telescopic rod 7 to start and drive the welding gun 9 to move to the position where welding is required, and control the welding gun 9 through the three-axis robotic arm 8. The angle of the second U-plate 126 can be adjusted according to the main pipe angle of the special-shaped pipe, so that the inclination angle of the second clamping plate 129 matches the inclination angle of the main pipe, which is convenient for fixing the main pipe of the special-shaped pipe. The angle of the fourth U-plate 147 can be adjusted according to the angle of the side pipe, so that the inclination angle of the third clamping plate 1410 matches the inclination angle of the side pipe, which is convenient for fixing the side pipe with the third clamping plate 1410. When fixing the special-shaped pipe, it is unnecessary to replace the corresponding fixing workpiece according to the specific inclination angle of the special-shaped pipe, thereby reducing operations. At the same time, the distance between the corresponding sixth U-plate 1514 and the fifth U-plate 156 can be adjusted according to the length of the branch pipe to be welded, which is convenient for fixing branch pipes of different lengths and avoiding the need for workers to hold the branch pipe by hand for welding. This greatly improves the welding efficiency and reliability of the device when welding special-shaped pipes.

[0041] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A welding device for processing building pipes, comprising a base plate (1), characterized in that: The top side wall of the bottom plate (1) is symmetrically provided with two first grooves (2), the inner walls of the first grooves (2) are fixedly connected to first electric slide rails (3), the top side wall of the first electric slide rail (3) is slidably connected to a first slide plate (4), the top side wall of the first slide plate (4) is fixedly connected to a first electric telescopic rod (5), the telescopic ends of the first electric telescopic rod (5) are fixedly connected to side plates (6), one end side wall of the side plate (6) is fixedly connected to a second electric telescopic rod (7), and the telescopic end of the second electric telescopic rod (7) is fixedly connected to a three-axis robotic arm (8). One end of the three-axis robot arm (8) is fixedly connected to a welding gun (9), the top side wall of the bottom plate (1) is provided with a bottom fixing assembly (10), the top side wall of the bottom plate (1) is symmetrically provided with two second grooves (11), the inner walls of the second grooves (11) are fixedly connected to the main pipe fixing assembly (12), the top side wall of the bottom plate (1) is symmetrically provided with two third grooves (13), the inner wall of one end of the third groove (13) is fixedly connected to the side pipe fixing assembly (14), and the top side wall of the bottom plate (1) is symmetrically fixedly connected to the branch pipe fixing assembly (15); The side tube fixing assembly (14) includes a sixth electric telescopic rod (141) fixedly connected to the inner wall of one end of the third groove (13); the telescopic end of the sixth electric telescopic rod (141) is fixedly connected to the first fixing plate (142); the inner wall of the first fixing plate (142) is fixedly connected to the third electric slide rail (143); the top side wall of the third electric slide rail (143) is slidably connected to two third slide plates (144); the top side walls of the two third slide plates (144) are fixedly connected to a third U-plate (145); the inner wall of the third U-plate (145) is rotatably connected to a second round rod (146); the rod wall of the second round rod (146) is fixedly connected to the thirteenth electric telescopic rod (1411); The branch pipe fixing assembly (15) comprises two eighth electric telescopic rods (151) symmetrically fixedly connected to the top side wall of the bottom plate (1), the telescopic end of the eighth electric telescopic rod (151) is fixedly connected to the same second fixing plate (152), the inner wall of the second fixing plate (152) is fixedly connected to the fourth electric slide rail (153), the bottom side wall of the fourth electric slide rail (153) is slidably connected to two fourth slide plates (154), the bottom side walls of the two fourth slide plates (154) are both fixedly connected to a ninth electric telescopic rod (155), the telescopic end of the ninth electric telescopic rod (155) is both fixedly connected to a fifth U-plate (156), the inner wall of the fifth U-plate (156) is symmetrically fixedly connected to two tenth electric telescopic rods (157), and the telescopic end of the tenth electric telescopic rod (157) is both fixedly connected to a fourth clamping plate (158); The telescopic ends of the thirteenth electric telescopic rod (1411) are fixedly connected to the fourth U-plate (147), one end side wall of the third U-plate (145) is fixedly connected to the second motor (148), the output end of the second motor (148) passes through the side wall of the third U-plate (145) and is fixedly connected to one end of the second round rod (146), the inner wall of the fourth U-plate (147) is symmetrically fixedly connected to two seventh electric telescopic rods (149), and the telescopic ends of the seventh electric telescopic rods (149) are fixedly connected to the third clamping plate (1410); The bottom side wall of the fourth electric slide rail (153) is also slidably connected to two fifth slide plates (159), the bottom side walls of the fifth slide plate (159) are fixedly connected to the third fixed plate (1510), the inner wall of the third fixed plate (1510) is fixedly connected to the fifth electric slide rail (1511), the bottom side wall of the fifth electric slide rail (1511) is slidably connected to two sixth slide plates (1512), the bottom side walls of the sixth slide plate (1512) are fixedly connected to the eleventh electric telescopic rod (1513), the telescopic ends of the eleventh electric telescopic rod (1513) are fixedly connected to the sixth U plate (1514), the inner wall of the sixth U plate (1514) is symmetrically fixedly connected to two twelfth electric telescopic rods (1515), the telescopic ends of the twelfth electric telescopic rod (1515) are fixedly connected to the fifth clamping plate (1516).

2. A welding device for processing building pipes according to claim 1, characterized in that: The main pipe fixing assembly (12) comprises a second electric slide rail (121) fixedly connected to the inner wall of the second groove (11); the top side walls of the second electric slide rail (121) are slidably connected to the second slide plate (122); the top side walls of the second slide plate (122) are fixedly connected to the fourth electric telescopic rod (123); the telescopic ends of the fourth electric telescopic rod (123) are fixedly connected to the first U-plate (124); the inner wall of the first U-plate (124) is rotatably connected to the first round rod (125); and the rod wall of the first round rod (125) is fixedly connected to the second U-plate (126).

3. A welding device for processing building pipes according to claim 2, characterized in that: A first motor (127) is fixedly connected to a side wall at one end of the first U-plate (124); an output end of the first motor (127) passes through the side wall of the first U-plate (124) and is fixedly connected to one end of the first round rod (125); two fifth electric telescopic rods (128) are symmetrically fixedly connected to the inner wall of the second U-plate (126); and the telescopic ends of the fifth electric telescopic rods (128) are both fixedly connected to a second clamping plate (129).

4. A welding device for processing building pipes according to claim 1, characterized in that: The bottom fixing assembly (10) comprises a fourth groove (101) formed on the top side wall of the bottom plate (1); a plurality of third electric telescopic rods (102) are fixedly connected to the inner wall of the fourth groove (101); and the telescopic ends of the third electric telescopic rods (102) are all fixedly connected to the first clamping plate (103).

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