Polyurethane iron bucket welding positioning equipment

Abstract

The utility model provides a kind of polyurethane iron bucket welding positioning equipment, belong to polyurethane iron bucket production field, including feeding cylinder and welding positioning mechanism.Welding positioning mechanism is arranged in the inside of feeding cylinder, including operating arm and weld joint alignment component, operating arm is horizontally arranged in the inside of feeding cylinder, and the one end of operating arm is provided with telescopic arm that it is driven to go in and out feeding cylinder, and the bottom of operating arm is also provided with welder, and weld joint alignment component is arranged in the bottom of operating arm, including alignment pressure roller push rod and alignment pressure roller.The utility model moves along weld joint by operating arm with welder together with weld joint alignment component, and alignment pressure roller push rod drives alignment pressure roller to press tightly the two sides of weld joint downwards during moving process, so that the iron plate of the two sides of weld joint is pressed in the same plane, and when alignment pressure roller rotates, the protruding edge of its rim portion is pressed into the inside of weld joint, so that the protruding edge of alignment pressure roller is opened to the two sides of weld joint during walking process, prevent the situation that weld joint is overlapped and dislocated, so that welder is accurately welded to align weld joint.

Description

Technical Field

[0001] This invention relates to the field of polyurethane iron drum production technology, specifically to a polyurethane iron drum welding and positioning device. Background Technology

[0002] The production of polyurethane steel drums involves core processes such as raw material cutting, steel plate bending, welding, internal and external coating treatment, and sealing testing. Among these, steel plate bending and welding are crucial steps in forming the drum's structure: first, the cut flat steel plates are processed into a cylindrical shape using bending equipment, leaving pre-existing weld seams at both ends. Then, the weld seams of the drum body, as well as the joints between the bottom and the lid, are welded to form a sealed drum structure. This welding process requires precise alignment of the weld seams on all components to ensure welding quality. Furthermore, the inner wall of the drum will be coated with a polyurethane coating, requiring a tight weld seam to avoid affecting coating adhesion and overall sealing.

[0003] Currently, the welding of polyurethane iron drums often employs clamping-assisted positioning or simple tooling. This makes it difficult to precisely control the alignment accuracy of the weld seams, easily leading to problems such as weld misalignment and uneven gaps. Inaccurate weld alignment directly results in inaccurate welding: uneven molten pool formation and inconsistent weld depth not only affect the appearance of the iron drum but also cause weak weld bonding, resulting in defects such as incomplete welds and missed welds. This ultimately leads to a weak weld, reducing the structural strength and sealing performance of the iron drum. Summary of the Invention

[0004] In view of the above situation and to overcome the defects of the prior art, the purpose of the present invention is to provide a polyurethane iron drum welding and positioning device to at least partially solve the problems mentioned in the background art.

[0005] Therefore, the purpose of this invention is to provide a polyurethane iron drum welding positioning device that can accurately position and weld the weld seam.

[0006] To achieve the above objectives, the present invention proposes a polyurethane iron drum welding and positioning device, comprising a feeding cylinder and a welding and positioning mechanism. The welding and positioning mechanism is disposed inside the feeding cylinder and includes an operating arm and a weld alignment assembly. The operating arm is horizontally disposed inside the feeding cylinder, and one end of the operating arm is provided with a transverse telescopic arm for driving it in and out of the feeding cylinder. A welding machine is also disposed at the bottom of the operating arm. The weld alignment assembly is disposed at the bottom of the operating arm and includes an alignment pressure roller push rod and an alignment pressure roller. The alignment pressure roller push rod is vertically disposed at the bottom of the operating arm, and the alignment pressure roller is rotatably disposed at the bottom end of the alignment pressure roller push rod. The rim of the alignment pressure roller is provided with a raised edge for pressing into the inner side of the weld.

[0007] Furthermore, the cross-section of the raised edge is a triangular structure, and the raised edge is located at the middle of the rim of the alignment pressure roller.

[0008] Furthermore, the operating arm is equipped with a weld seam clamping assembly for clamping and aligning the cylinder walls on both sides of the weld seam. The weld seam clamping assembly includes an electric clamping wheel and a clamping telescopic arm. The clamping telescopic arm is located at the bottom of the operating arm. There are two clamping telescopic arms, which are symmetrical about the two sides of the aligning pressure wheel. The electric clamping wheel is located at the bottom end of the clamping telescopic arm.

[0009] Furthermore, the feeding cylinder is provided with sidewall shaping mechanisms on both horizontal sides and top. The three sidewall shaping mechanisms are perpendicular to each other. Each sidewall shaping mechanism includes a shaping roller, wherein the shaping roller is rotatably mounted on the cylinder wall of the feeding cylinder, and the clamping surface of the shaping roller is in contact with the outer wall of the polyurethane iron drum.

[0010] Furthermore, a fixed seat and a sliding adjustment seat are provided on the wall of the feeding cylinder. Both the fixed seat and the sliding adjustment seat are U-shaped structures. The fixed seat is fixedly installed on the wall of the feeding cylinder, and the sliding adjustment seat is slidably installed inside the fixed seat. The shaping roller is rotatably installed inside the sliding adjustment seat, and a pneumatic push rod is provided between the sliding adjustment seat and the fixed seat.

[0011] Furthermore, a feeding assembly, including a feeding tray and an electric roller, is provided through the bottom of the feeding cylinder. The feeding tray is horizontally provided through the bottom of the feeding cylinder, and the upper surface of the feeding tray is in contact with the outer wall of the polyurethane iron drum. Two sets of electric rollers are provided, located on both sides of the alignment pressure roller.

[0012] Furthermore, a welding machine lowering arm is provided at the bottom of the operating arm, the welding machine is located at the bottom end of the welding machine lowering arm, and a solder flattening assembly is provided at the bottom end of the operating arm for flattening the solder in the weld. The solder flattening assembly includes a solder pressure roller and a solder flattening push rod, wherein the solder flattening push rod is located at the bottom of the operating arm, and the solder pressure roller is rotatably located at the bottom end of the solder flattening push rod.

[0013] Furthermore, a connecting seat for easy assembly and disassembly is provided between the lateral telescopic arm and the operating arm. One end of the lateral telescopic arm is provided with a telescopic seat for driving its telescopic movement. The top of the lateral telescopic arm is provided with a hoisting support assembly, including an electric rail, a hoisting arm, and a hoisting seat. The hoisting seat is installed on the lateral telescopic arm, and the bottom of the hoisting arm is connected to the hoisting seat. The electric rail is horizontally positioned above the hoisting arm, and an electric slider is provided on the electric rail. The electric slider is connected to the top of the hoisting arm, and the electric slider moves synchronously with the lateral telescopic arm.

[0014] Furthermore, the inner wall of the feeding cylinder is a cylindrical structure, and the feeding end of the feeding cylinder is provided with a feeding port, the edge of which is provided with a feeding chamfer.

[0015] Beneficial effects: This invention uses an operating arm to move the weld alignment assembly and the welding machine together along the iron barrel in the feeding cylinder, and then along the weld. During the movement, the alignment pressure roller push rod drives the alignment pressure roller to press down on both sides of the weld, so that the iron plates on both sides of the weld are aligned on the same plane. When the alignment pressure roller rotates, the raised edge of its wheel rim presses into the inside of the weld, so that the raised edge of the alignment pressure roller spreads the weld to both sides during the movement of the alignment pressure roller, preventing the weld from overlapping or misaligning. In addition, the raised edge guides the welding machine during the movement, so that the welding machine is aligned with the weld for precise welding.

[0016] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein: Figure 1 This is a schematic diagram of the overall structure of a polyurethane iron drum welding and positioning device according to an embodiment of the present invention; Figure 2 This is a partial structural schematic diagram of a polyurethane iron drum welding and positioning device according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the polyurethane iron drum welding and positioning device according to an embodiment of the present invention from another perspective; Figure 4 This is a partial front sectional view of a polyurethane iron drum welding positioning device according to an embodiment of the present invention; Figure 5 This is a schematic diagram illustrating the walking principle of the welding positioning mechanism in a polyurethane iron drum welding positioning device according to an embodiment of the present invention.

[0018] As shown in the figure: 1. Feeding cylinder; 11. Base; 12. Feeding port; 2. Side wall shaping mechanism; 21. Fixed seat; 211. Triangular support seat; 22. Pneumatic push rod; 23. Sliding adjustment seat; 231. Guide slider; 24. Shaping roller; 3. Hanging support assembly; 31. Electric track; 32. Electric slider; 33. Lifting arm; 34. Lifting seat; 4. Welding positioning mechanism; 41. Telescopic seat; 42. Telescopic seat mounting seat; 43. Lateral telescopic arm; 44. Connecting seat; 45. Weld seam clamping assembly on both sides; 451. Clamping extension 452. Retractable arm; 453. First wheel seat; 46. Electric pressure roller; 47. Weld alignment assembly; 48. Alignment pressure roller push rod; 49. Second wheel seat; 40. Alignment pressure roller; 41. Protruding flange; 42. Operating arm; 43. Weld flattening assembly; 44. Weld flattening roller; 55. Feeding assembly; 56. Feeding tray; 57. Electric support roller; 58. Wheel groove; 59. Discharge plate; 50. Feeding plate; 60. Iron drum; 61. Weld seam; 71. Welding machine; 72. Welding machine lowering arm. Detailed Implementation

[0019] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0020] The polyurethane iron drum welding and positioning device of the present invention will be described below with reference to the accompanying drawings.

[0021] like Figures 1-5 As shown, the polyurethane iron drum welding and positioning equipment provided in this embodiment of the invention includes a feeding cylinder 1 and a welding positioning mechanism 4. The bottom of the feeding cylinder 1 is provided with a base 11, and the welding positioning mechanism 4 is provided inside the feeding cylinder 1. It includes an operating arm 47 and a weld alignment assembly 46. The operating arm 47 is horizontally arranged inside the feeding cylinder 1. One end of the operating arm 47 is provided with a transverse telescopic arm 43 that drives it to enter and exit the feeding cylinder 1. A welding machine 7 is also provided at the bottom of the operating arm 47.

[0022] The weld alignment assembly 46 is located at the bottom of the operating arm 47 and includes an alignment pressure roller push rod 461 and an alignment pressure roller 463. The alignment pressure roller push rod 461 is vertically located at the bottom of the operating arm 47, and the alignment pressure roller 463 is rotatably located at the bottom end of the alignment pressure roller push rod 461 via a second wheel seat 462. The rim of the alignment pressure roller 463 is provided with a raised rim 464 for pressing into the inner side of the weld 61.

[0023] Specifically, when using the polyurethane iron drum welding and positioning equipment of this application, the body of the iron drum 6, which is bent into a cylindrical shape, is first fed into the feeding cylinder 1, and the weld seam 61 of the iron drum 6 is made to face downwards. Subsequently, the operating arm 47 is driven by the horizontal telescopic arm 43 to enter the interior of the feeding cylinder 1. When the bottom of the alignment pressure roller 463 reaches the starting end of the weld 61, the operating arm 47 stops and the alignment pressure roller 463 is driven to move downward by the alignment pressure roller push rod 461, so that the alignment pressure roller 463 presses the two sides of the weld 61 tightly, so that the iron plates on both sides of the weld 61 are aligned on the same plane, so that the two sides of the weld 61 are smoothly connected. When the alignment pressure roller 463 rotates, the protruding edge 464 of its wheel rim is pressed into the inside of the weld 61, so that the protruding edge 464 pushes the weld 61 to both sides during the movement of the alignment pressure roller 463, preventing the weld 61 from overlapping or misaligning. In addition, the protruding edge 464 guides the welding machine 7 during movement. As the operating arm 47 drives the alignment pressure roller 463 to move along the weld 61, the welding machine 7 accurately welds the weld 61 behind the alignment pressure roller 463.

[0024] In one embodiment of the present invention, such as Figure 2 and Figure 4 As shown, the cross-section of the raised edge 464 is triangular, and the raised edge 464 is located in the middle of the rim of the alignment pressure roller 463. Specifically, the raised edge 464 is located in the middle of the rim of the alignment pressure roller 463, so that the alignment pressure rollers 463 on both sides of the raised edge 464 flatten the iron plates on both sides of the weld 61. The raised edge 464, with its triangular cross-section, fills and spreads the V-shaped groove weld 61 (in the prior art, the weld joint of the iron plates in the iron barrel is usually chamfered so that the weld after splicing the iron plates on both sides has a V-shaped groove structure, which facilitates the filling of the solder) to prevent the weld 61 from overlapping or misaligning.

[0025] In one embodiment of the present invention, such as Figure 4 and Figure 5 As shown, the operating arm 47 is equipped with a weld seam clamping assembly 45, which is used to clamp and align the cylinder walls on both sides of the weld seam 61 from top to bottom, so that the two sides of the weld seam 61 are smoothly connected. The weld seam clamping assembly 45 includes an electric clamping wheel 453 and a clamping telescopic arm 451. The clamping telescopic arm 451 is located at the bottom of the operating arm 47. There are two clamping telescopic arms 451, which are symmetrical about the two sides of the aligning pressure wheel 463. The electric clamping wheel 453 is rotatably mounted at the bottom end of the clamping telescopic arm 451 through the first wheel seat 452.

[0026] Specifically, in order to prevent the iron plates on both sides of weld 61 from not bending properly, after the iron drum 6 enters the feeding cylinder 1, the electric pressing wheel 453 is driven by the pressing telescopic arm 451 to press the iron plates on both sides of weld 61, so that the iron plates are tightly attached to the inner wall of the feeding cylinder 1, thereby making the iron plates on both sides of weld 61 fully bent, so that the weld 61 on both sides of the iron plates are smoothly connected after welding, making the body of the iron drum 6 more rounded and preventing convex corners.

[0027] In addition, the electric clamping roller 453, in conjunction with the electric support roller 52, facilitates the movement of the iron drum 6 in and out of the feeding cylinder 1 for the transfer and movement of the iron drum 6.

[0028] In one embodiment of the present invention, such as Figures 2-4 As shown, sidewall shaping mechanisms 2 are provided on both horizontal sides and the top of the feeding cylinder 1. The three sidewall shaping mechanisms 2 are perpendicular to each other. The sidewall shaping mechanism 2 includes a shaping roller 24, wherein the shaping roller 24 is rotatably mounted on the cylinder wall of the feeding cylinder 1, and the clamping surface of the shaping roller 24 is in contact with the outer wall of the polyurethane iron barrel 6.

[0029] The feeding cylinder 1 is provided with a fixed seat 21 and a sliding adjustment seat 23 on its cylinder wall. Both the fixed seat 21 and the sliding adjustment seat 23 are U-shaped structures. The fixed seat 21 is fixedly mounted on the cylinder wall of the feeding cylinder 1 by a triangular support seat 211. The sliding adjustment seat 23 is slidably mounted inside the fixed seat 21 by a guide slider 231. The shaping roller 24 is rotatably mounted inside the sliding adjustment seat 23. A pneumatic push rod 22 is provided between the sliding adjustment seat 23 and the fixed seat 21.

[0030] Specifically, in order to fully shape the body of the iron drum 6 during the welding process, after the iron drum 6 enters the feeding cylinder 1, the iron plates on both sides of the weld 61 are clamped by the shaping rollers 24 on both sides, and the iron drum 6 is pressed down by the shaping roller 24 at the top, so that the iron plates on both sides of the weld 61 are fully aligned.

[0031] Furthermore, during the pressing process, the end of the pneumatic push rod 22 applies elastic force to the sliding adjustment seat 23, and the sliding adjustment seat 23 applies elastic force to the shaping roller 24, so that the surface of the iron bucket 6 is fully in close contact with the clamping surface of the shaping roller 24, thereby making the bucket body of the iron bucket 6 tend to be cylindrical during the welding process.

[0032] In one embodiment of the present invention, such as Figures 2-4As shown, a feeding assembly 5 is provided through the bottom of the feeding cylinder 1, including a feeding tray 51 and an electric roller 52. The feeding tray 51 is horizontally provided through the bottom of the feeding cylinder 1, and the upper surface of the feeding tray 51 is in contact with the outer wall of the polyurethane iron drum 6. Two sets of electric rollers 52 are provided, located on both sides of the alignment pressure roller 463. The feeding tray 51 has a wheel groove 521. The feeding end and the discharge end of the feeding tray 51 are respectively provided with a feeding plate 54 and a discharge plate 53, and the feeding plate 54 and the discharge plate 53 protrude from the feeding end face of the feeding cylinder 1, so as to facilitate the iron drum 6 to enter the feeding cylinder 1 and prevent the iron drum 6 from falling directly from the discharge end of the feeding cylinder 1.

[0033] Specifically, the arc-shaped structure on the upper surface of the feeding tray 51 is adapted to the outer wall of the iron drum 6, making the outline of the iron drum 6 at the welded joint smoother. After the iron drum 6 is welded, the electric clamping wheel 453 works with the electric support wheel 52 to facilitate the movement of the iron drum 6 in and out of the feeding cylinder 1.

[0034] In one embodiment of the present invention, such as Figure 3 and Figure 5 As shown, a welding machine lowering arm 71 is provided at the bottom of the operating arm 47, and the welding machine 7 is located at the bottom end of the welding machine lowering arm 71 for adjusting the welding position by moving the welding machine 7 up and down. A solder flattening assembly 48 is provided at the bottom end of the operating arm 47 for flattening the solder in the weld 61. The solder flattening assembly 48 includes a solder pressure roller 481 and a solder flattening push rod 483. The solder flattening push rod 483 is located at the bottom of the operating arm 47, and the solder pressure roller 481 is rotatably located at the bottom end of the solder flattening push rod 483 via a third wheel seat 482.

[0035] Specifically, after the welding machine 7 finishes welding, the metal temperature at the weld 61 is high and the hardness is low. The welding material flattening push rod 483 drives the welding material pressure roller 481 to press the weld 61 tightly. The operating arm 47 drives the welding material pressure roller 481 to move along the weld 61, so as to flatten the uneven metal welding material at the weld 61 in time.

[0036] In one embodiment of the present invention, such as Figure 2 and Figure 5As shown, a connecting seat 44 for easy disassembly and assembly is provided between the horizontal telescopic arm 43 and the operating arm 47. One end of the horizontal telescopic arm 43 is provided with a telescopic seat 41 for driving its telescopic movement. One end of the telescopic seat 41 is provided with a telescopic seat mounting seat 42. The top of the horizontal telescopic arm 43 is provided with a hoisting support assembly 3, including an electric rail 31, a hoisting arm 33 and a hoisting seat 34. The hoisting seat 34 is installed on the horizontal telescopic arm 43, and the bottom of the hoisting arm 33 is connected to the hoisting seat 34. The electric rail 31 is horizontally arranged above the hoisting arm 33. An electric slider 32 is provided on the electric rail 31. The electric slider 32 is connected to the top of the hoisting arm 33 and moves synchronously with the horizontal telescopic arm 43.

[0037] Specifically, in order to stabilize the horizontal movement of the operating arm 47 in the feeding cylinder 1, the telescopic seat 41 drives the horizontal telescopic arm 43 to move linearly, and the horizontal telescopic arm 43 drives the operating arm 47 to move linearly. During the movement of the horizontal telescopic arm 43, the horizontal telescopic arm 43 is connected to the electric slider 32 at the bottom of the electric track 31 through the lifting arm 33, and the electric slider 32 moves synchronously with the horizontal telescopic arm 43. The electric track 31 provides vertical support for the horizontal telescopic arm 43, so that the horizontal telescopic arm 43 and the operating arm 47 move stably.

[0038] In one embodiment of the present invention, such as Figure 2 and Figure 3 As shown, the inner wall of the feeding cylinder 1 is a cylindrical structure, and the feeding end of the feeding cylinder 1 is provided with a feeding port 12. The edge of the feeding port 12 is provided with a feeding chamfer so that the iron bucket 6 can smoothly enter the feeding cylinder 1.

[0039] To clearly illustrate the above embodiments, refer to Figures 1-5 The specific working principle of the polyurethane iron drum welding and positioning device of the present invention is as follows: When using the polyurethane iron drum welding and positioning device of this application, the body of the iron drum 6, which is bent into a cylindrical shape, is first fed into the feeding cylinder 1 from the feeding plate 54 end of the feeding pallet 51, and the weld 61 of the iron drum 6 is ensured to be vertically downward.

[0040] Subsequently, the operating arm 47 is driven by the horizontal telescopic arm 43 to enter the interior of the feeding cylinder 1. When the bottom of the alignment pressure roller 463 reaches the starting end of the weld 61, the operating arm 47 stops and the alignment pressure roller 463 is driven to move downward by the alignment pressure roller push rod 461, so that the alignment pressure roller 463 presses the two sides of the weld 61. At the same time, the electric pressure roller 453 is driven by the pressure telescopic arm 451 to press the iron plates on both sides of the weld 61, so that the iron plates are tightly attached to the inner wall of the feeding cylinder 1, thereby making the iron plates on both sides of the weld 61 fully bent, so that the two sides of the weld 61 of the welded iron plates are smoothly connected, making the body of the iron barrel 6 more rounded and preventing the appearance of convex corners.

[0041] Subsequently, when the alignment roller 463 moves, the raised edge 464 guides the welding machine 7. The welding machine 7 is lowered to the bottom of the welding material by the welding machine lowering arm 71. As the operating arm 47 drives the alignment roller 463 to move along the weld seam 61, the welding machine 7 accurately welds the weld seam 61 behind the alignment roller 463.

[0042] After welding is completed by welding machine 7, the welding material flattening push rod 483 drives the welding material pressure roller 481 to press the weld seam 61. The operating arm 47 drives the welding material pressure roller 481 to move along the weld seam 61, so as to flatten the uneven metal welding material at the weld seam 61 in time. Finally, the electric pressing roller 453 works with the electric support roller 52 to facilitate the feeding of the iron drum 6 out of the feeding cylinder 1.

[0043] In summary, the polyurethane iron drum welding and positioning device of this invention uses an operating arm to drive the weld alignment component and the welding machine to move together along the iron drum in the feeding cylinder, and then along the weld. During the movement, the alignment pressure roller push rod drives the alignment pressure roller to press down on both sides of the weld, so that the iron plates on both sides of the weld are aligned on the same plane. When the alignment pressure roller rotates, the raised edge of its wheel rim presses into the inside of the weld, so that the raised edge of the alignment pressure roller spreads the weld to both sides during the movement of the alignment pressure roller, preventing the weld from overlapping or misaligning. In addition, the raised edge guides the welding machine during the movement, so that the welding machine is aligned with the weld for precise welding.

[0044] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A polyurethane iron drum welding and positioning device, characterized in that, It includes a feeding cylinder (1) and a welding positioning mechanism (4), wherein the welding positioning mechanism (4) includes an operating arm (47) and a weld alignment assembly (46). The operating arm (47) is horizontally arranged inside the feeding cylinder (1). One end of the operating arm (47) is provided with a transverse telescopic arm (43) that drives it to enter and exit the feeding cylinder (1). A welding machine (7) is also provided at the bottom of the operating arm (47). The weld alignment assembly (46) is located at the bottom of the operating arm (47) and includes an alignment pressure roller push rod (461) and an alignment pressure roller (463). The alignment pressure roller push rod (461) is vertically located at the bottom of the operating arm (47), and the alignment pressure roller (463) is rotatably located at the bottom end of the alignment pressure roller push rod (461). The rim of the alignment pressure roller (463) is provided with a raised edge (464) for pressing into the inner side of the weld (61).

2. The polyurethane iron drum welding and positioning equipment according to claim 1, characterized in that, The cross-section of the raised edge (464) is triangular, and the raised edge (464) is located at the middle of the rim of the alignment pressure roller (463).

3. The polyurethane iron drum welding and positioning equipment according to claim 1, characterized in that, The operating arm (47) is provided with a weld seam clamping assembly (45) for clamping and aligning the cylinder walls on both sides of the weld seam (61). The weld seam clamping assembly (45) includes an electric clamping wheel (453) and a clamping telescopic arm (451). The clamping telescopic arm (451) is located at the bottom of the operating arm (47). There are two clamping telescopic arms (451), which are symmetrical about the two sides of the alignment clamping wheel (463). The electric clamping wheel (453) is located at the bottom end of the clamping telescopic arm (451).

4. The polyurethane iron drum welding and positioning equipment according to claim 1, characterized in that, The feeding cylinder (1) is provided with side wall shaping mechanisms (2) on both sides and top. The three side wall shaping mechanisms (2) are perpendicular to each other. The side wall shaping mechanism (2) includes a shaping roller (24). The shaping roller (24) is rotatably mounted on the cylinder wall of the feeding cylinder (1). The clamping surface of the shaping roller (24) is in contact with the outer wall of the polyurethane iron barrel (6).

5. The polyurethane iron drum welding and positioning equipment according to claim 4, characterized in that, The feeding cylinder (1) is provided with a fixed seat (21) and a sliding adjustment seat (23) on its cylinder wall. The fixed seat (21) and the sliding adjustment seat (23) are both U-shaped structures. The fixed seat (21) is fixedly installed on the cylinder wall of the feeding cylinder (1). The sliding adjustment seat (23) is slidably installed inside the fixed seat (21). The shaping roller (24) is rotatably installed inside the sliding adjustment seat (23). A pneumatic push rod (22) is provided between the sliding adjustment seat (23) and the fixed seat (21).

6. The polyurethane iron drum welding and positioning equipment according to claim 1, characterized in that, The bottom of the feeding cylinder (1) is provided with a feeding assembly (5), which includes a feeding tray (51) and an electric roller (52). The feeding tray (51) is horizontally provided at the bottom of the feeding cylinder (1). The upper surface of the feeding tray (51) is in contact with the outer wall of the polyurethane iron drum (6). Two sets of electric rollers (52) are provided, located on both sides of the alignment pressure roller (463).

7. The polyurethane iron drum welding and positioning equipment according to claim 1, characterized in that, The bottom of the operating arm (47) is provided with a welding machine lowering arm (71), and the welding machine (7) is provided at the bottom end of the welding machine lowering arm (71); the bottom end of the operating arm (47) is provided with a solder flattening assembly (48) for flattening the solder in the weld (61). The solder flattening assembly (48) includes a solder pressure roller (481) and a solder flattening push rod (483). The solder flattening push rod (483) is provided at the bottom of the operating arm (47), and the solder pressure roller (481) is rotatably provided at the bottom end of the solder flattening push rod (483).

8. The polyurethane iron drum welding and positioning equipment according to claim 1, characterized in that, A connecting seat (44) for easy disassembly and assembly is provided between the horizontal telescopic arm (43) and the operating arm (47). One end of the horizontal telescopic arm (43) is provided with a telescopic seat (41) for driving its telescopic movement. The top of the horizontal telescopic arm (43) is provided with a hoisting support assembly (3), including an electric rail (31), a hoisting arm (33) and a hoisting seat (34). The hoisting seat (34) is installed on the horizontal telescopic arm (43), and the bottom of the hoisting arm (33) is connected to the hoisting seat (34). The electric rail (31) is horizontally arranged above the hoisting arm (33). An electric slider (32) is provided on the electric rail (31). The electric slider (32) is connected to the top of the hoisting arm (33), and the electric slider (32) moves synchronously with the horizontal telescopic arm (43).

9. The polyurethane iron drum welding and positioning equipment according to claim 1, characterized in that, The inner wall of the feeding cylinder (1) is cylindrical, and the feeding end of the feeding cylinder (1) is provided with a feeding port (12), and the edge of the feeding port (12) is provided with a feeding chamfer.

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