Slag removal device for outer weld joint of longitudinal submerged arc welded pipe

Abstract

The utility model discloses a longitudinal submerged arc welding pipe outer welding seam slag removing device which comprises a bottom plate, a supporting column is fixedly connected to the bottom face of the bottom plate, a limiting sliding groove is formed in the top face of the bottom plate in a penetrating mode, a limiting sliding block is connected to the inner wall of the limiting sliding groove in a sliding mode, and a supporting plate is fixedly connected to the top face of the limiting sliding block. The supporting mechanism supports the auxiliary steel pipe to transversely move to make contact with the slag removing mechanism, the starting driving assembly drives the clamping plate to longitudinally move through the limiting sliding block and the supporting plate to clamp and fix the steel pipe, and the slag removing mechanism is started to conduct grinding and slag removing work on the steel pipe. The linear motor is started to drive the slag removal mechanism to transversely move through the fixing frame to conduct movable slag removal work on the steel pipe, meanwhile, the collecting assembly is started to suck, filter and collect metal chippings generated by grinding, and the aim of conveniently and automatically filtering and collecting the metal chippings generated by steel pipe slag removal is achieved. And the problems that the surrounding environment is polluted and the human health is harmed after metal chips generated by polishing fly at will are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe outer welding seam slag removal technical field especially relates to a straight seam submerged arc welded pipe outer welding seam slag removal device. BACKGROUND

[0002] The welding process adopted by the straight seam submerged arc welded steel pipe is submerged arc welding technology, which is carried out through filler welding and granular protective flux arc welding. Submerged arc welding has the advantages of stable welding quality, high welding productivity, no arc light, and little smoke, etc. After the welding of the steel pipe is completed, a slag removal device needs to be used to clean the welding slag on the outer welding seam of the steel pipe.

[0003] The slag removal device usually uses polishing to remove the slag on the welding seam. However, a large amount of metal debris is generated during the polishing process. The existing slag removal device cannot automatically collect the generated metal debris. When the debris scatters randomly, it will pollute the surrounding environment and harm human health. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a straight seam submerged arc welded pipe outer welding seam slag removal device to solve the problems raised in the background art.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A straight seam submerged arc welded pipe outer welding seam slag removal device, comprising a bottom plate, a support column fixedly connected to the bottom surface of the bottom plate, a limiting sliding groove penetratingly provided on the top surface of the bottom plate, a limiting sliding block slidingly connected to the inner wall of the limiting sliding groove, a support plate fixedly connected to the top surface of the limiting sliding block, a clamping plate fixedly connected to the inner wall of the support plate, a linear motor fixedly connected to the back surface of the bottom plate, a fixed frame fixedly connected to the moving end of the linear motor, a slag removal mechanism arranged in the fixed frame, a collecting assembly arranged in the fixed frame, a support mechanism arranged on the top surface of the bottom plate, and a driving assembly arranged on the bottom surface of the bottom plate.

[0007] Preferably, the slag removal mechanism comprises an air inlet cover, a driving motor, and a polishing wheel, the air inlet cover is fixedly connected to the inner wall of the fixed frame, the driving motor is fixedly connected to the back surface of the air inlet cover, the output end of the driving motor is rotationally connected to the inner wall of the air inlet cover, and the polishing wheel is rotationally connected to the inner wall of the air inlet cover and fixedly connected to the output end of the driving motor.

[0008] Preferably, the collecting assembly comprises a suction pipe, a collecting box, and a fan, the surface of the suction pipe is fixedly connected to the inner wall of the fixed frame, the air inlet end of the suction pipe is fixedly connected to the inner wall of the air inlet cover, the collecting box is fixedly connected to the top surface of the fixed frame, the inner wall of the collecting box is fixedly connected to the air outlet end of the suction pipe, and the fan is fixedly connected to the back surface of the collecting box and the air inlet end of the fan is fixedly connected to the inner wall of the collecting box.

[0009] Preferably, the support mechanism is composed of fixing blocks, a support base and auxiliary wheels, the fixing blocks are fixedly connected with the top surface of the bottom plate, the support base is fixedly connected with the surface of the fixing blocks, and the auxiliary wheels are rotatably connected with the inner wall of the support base.

[0010] Preferably, the driving assembly is composed of a limiting ring, a servo motor, a bidirectional threaded rod and a connecting frame, the limiting ring is fixedly connected with the bottom surface of the bottom plate, the servo motor is fixedly connected with the front surface of the limiting ring, the output end of the servo motor is rotatably connected with the inner wall of the limiting ring, the bidirectional threaded rod is rotatably connected with the inner wall of the limiting ring and fixedly connected with the output end of the servo motor, and the inner wall of the connecting frame is threadedly connected with the surface of the bidirectional threaded rod and fixedly connected with the bottom surface of the limiting sliding block.

[0011] Preferably, the clamping plates are in the shape of a circular arc and are made of metal material.

[0012] Preferably, the number of the fixing blocks is plural, and the plural fixing blocks are located on the top surface of the bottom plate.

[0013] Compared with the prior art, the straight seam submerged arc welding pipe outer weld slag removal device has the advantages that the support mechanism supports the auxiliary steel pipe to move transversely and contact with the slag removal mechanism, the driving assembly drives the clamping plates to move longitudally through the limiting sliding block and the support plate to clamp and fix the steel pipe, the slag removal mechanism is started to polish and remove slag of the steel pipe, the linear motor is started to drive the slag removal mechanism to move transversely through the fixing frame to move and remove slag of the steel pipe, and the collecting assembly is started to suck, filter and collect the metal scraps generated by polishing. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the structure of the utility model;

[0015] Figure 2 It is a rear view of the structure of the utility model;

[0016] Figure 3 It is an enlarged view of structure A of the structure of the utility model;

[0017] Figure 4 It is a right sectional view of the structure of the utility model;

[0018] Figure 5 It is an enlarged view of structure B of the structure of the utility model.

[0019] In the figure: 1, the base plate; 2, support column; 3, limit sliding groove; 4, limit sliding block; 5, support plate; 6, clamping plate; 7, linear motor; 8, fixed frame; 9, air inlet cover; 10, drive motor; 11, polishing wheel; 12, suction pipe; 13, collection box; 14, fan; 15, fixed block; 16, support seat; 17, auxiliary wheel; 18, limit ring; 19, servo motor; 20, two-way threaded rod; 21, connecting frame. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Referring to Figures 1-5 A kind of straight seam submerged arc welded pipe outer weld slag removal device, including base plate 1, base plate 1 bottom surface fixedly connected with support column 2, limit sliding groove 3 is set on the top surface of base plate 1, limit sliding groove 3 inner wall is slidably connected with limit sliding block 4, limit sliding block 4 top surface is fixedly connected with support plate 5, support plate 5 inner wall is fixedly connected with clamping plate 6, clamping plate 6 is circular arc shape, and clamping plate 6 is made of metal material, and the clamping plate 6 made of metal material is more durable with higher strength and not easy to deform and damage after stress, the back of base plate 1 is fixedly connected with linear motor 7, the moving end of linear motor 7 is fixedly connected with fixed frame 8, fixed frame 8 is internally provided with slag removal mechanism, and slag removal mechanism is composed of air inlet cover 9, drive motor 10 and polishing wheel 11, air inlet cover 9 is fixedly connected with the inner wall of fixed frame 8, drive motor 10 is fixedly connected with the back of air inlet cover 9, and the output end of drive motor 10 is rotatably connected with the inner wall of air inlet cover 9, polishing wheel 11 is rotatably connected with the inner wall of air inlet cover 9, and polishing wheel 11 is fixedly connected with the output end of drive motor 10, for polishing slag work to steel pipe weld, improve cleaning efficiency, fixed frame 8 is internally provided with collection subassembly, and collection subassembly is composed of suction pipe 12, collection box 13 and fan 14, the surface of suction pipe 12 is fixedly connected with the inner wall of fixed frame 8, and the air inlet end of suction pipe 12 is fixedly connected with the inner wall of air inlet cover 9, collection box 13 is fixedly connected with the top surface of fixed frame 8, and the inner wall of collection box 13 is fixedly connected with the air outlet end of suction pipe 12, fan 14 is fixedly connected with the back of collection box 13, and the air inlet end of fan 14 is fixedly connected with the inner wall of collection box 13, for suction collection metal scrap, avoid the problem that metal scrap appears to scatter, base plate 1 top surface is provided with support mechanism, and base plate 1 bottom surface is provided with drive assembly.

[0022] Specifically, the support mechanism is composed of fixing blocks 15, support seats 16 and auxiliary wheels 17, the fixing blocks 15 are located on the top surface of the bottom plate 1 and are used for connecting the auxiliary wheels 17, thereby improving the stability of supporting the steel pipe, the fixing blocks 15 are fixedly connected with the top surface of the bottom plate 1, the support seats 16 are fixedly connected with the surface of the fixing blocks 15, and the auxiliary wheels 17 are rotatably connected with the inner wall of the support seats 16 and are used for supporting and fixing the steel pipe and facilitating the lateral movement of the steel pipe.

[0023] Specifically, the driving assembly is composed of a limiting ring 18, a servo motor 19, a bidirectional threaded rod 20 and a connecting frame 21, the limiting ring 18 is fixedly connected with the bottom surface of the bottom plate 1, the servo motor 19 is fixedly connected with the front surface of the limiting ring 18, the output end of the servo motor 19 is rotatably connected with the inner wall of the limiting ring 18, the bidirectional threaded rod 20 is rotatably connected with the inner wall of the limiting ring 18 and is fixedly connected with the output end of the servo motor 19, and the inner wall of the connecting frame 21 is threadedly connected with the surface of the bidirectional threaded rod 20 and is fixedly connected with the bottom surface of the limiting sliding block 4, thereby driving the clamping plates 6 to move synchronously and improving the clamping stability of the steel pipe.

[0024] The electrical components in the text are all connected with the main controller and 220V mains electricity, and the main controller can be a computer or other conventional known device that can be controlled.

[0025] In use: first, the steel pipe is hoisted to be overlapped with the auxiliary wheels 17, the weld of the steel pipe is vertically upward, the auxiliary wheels 17 are rotated along the inner wall of the support seat 16, the steel pipe is moved laterally to make the weld contact with the grinding wheel 11, the servo motor 19 is started to drive the bidirectional threaded rod 20 to rotate along the inner wall of the limiting ring 18, the limiting sliding block 4 is driven to longitudinally slide along the inner wall of the limiting sliding groove 3 through the connection between the bidirectional threaded rod 20 and the connecting frame 21, the support plate 5 and the clamping plate 6 are driven to longitudinally move and contact with the steel pipe through the movement of the limiting sliding block 4, the steel pipe is clamped and fixed, the driving motor 10 is started to drive the grinding wheel 11 to rotate along the inner wall of the air inlet cover 9, the welding slag on the weld of the steel pipe is ground, the linear motor 7 is started to drive the grinding wheel 11 to move laterally through the fixing frame 8 and the air inlet cover 9, the metal scraps generated by the grinding are sucked through the air inlet cover 9, the metal scraps are collected and filtered through the filter bag arranged in the collecting box 13.

[0026] In summary, this slag removal device for the external weld of a straight seam submerged arc welded pipe uses a support mechanism to assist the steel pipe in moving laterally and contacting the slag removal mechanism. The drive assembly, via the limit slider 4 and support plate 5, drives the clamping plate 6 to move longitudinally to clamp and fix the steel pipe. The slag removal mechanism then performs grinding and slag removal on the steel pipe. The linear motor 7, via the fixed frame 8, drives the slag removal mechanism to move laterally and perform slag removal on the steel pipe. Simultaneously, the collection assembly is activated to suck up, filter, and collect the metal debris generated during grinding. This achieves the goal of automatically filtering and collecting the metal debris generated during steel pipe slag removal, avoiding the problem of metal debris scattering randomly and polluting the surrounding environment and harming human health. This device addresses the problems mentioned in the background section.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A slag removal device for the external weld seam of a straight seam submerged arc welded pipe, comprising a base plate (1), characterized in that, The bottom surface of the base plate (1) is fixedly connected to a support column (2). A limiting groove (3) is opened through the top surface of the base plate (1). A limiting slider (4) is slidably connected to the inner wall of the limiting groove (3). A support plate (5) is fixedly connected to the top surface of the limiting slider (4). A clamping plate (6) is fixedly connected to the inner wall of the support plate (5). A linear motor (7) is fixedly connected to the back of the base plate (1). A fixed frame (8) is fixedly connected to the moving end of the linear motor (7). A slag cleaning mechanism is provided inside the fixed frame (8). A collection component is provided inside the fixed frame (8). A support mechanism is provided on the top surface of the base plate (1). A drive component is provided on the bottom surface of the base plate (1).

2. The slag removal device for the external weld seam of a straight seam submerged arc welded pipe according to claim 1, characterized in that, The slag removal mechanism consists of an air inlet hood (9), a drive motor (10), and a grinding wheel (11). The air inlet hood (9) is fixedly connected to the inner wall of the fixed frame (8). The drive motor (10) is fixedly connected to the back of the air inlet hood (9), and the output end of the drive motor (10) is rotatably connected to the inner wall of the air inlet hood (9). The grinding wheel (11) is rotatably connected to the inner wall of the air inlet hood (9), and the grinding wheel (11) is fixedly connected to the output end of the drive motor (10).

3. The slag removal device for the external weld seam of a straight seam submerged arc welded pipe according to claim 1, characterized in that, The collection assembly consists of a suction pipe (12), a collection box (13), and a fan (14). The surface of the suction pipe (12) is fixedly connected to the inner wall of the fixing frame (8), and the air inlet end of the suction pipe (12) is fixedly connected to the inner wall of the air inlet hood (9). The collection box (13) is fixedly connected to the top surface of the fixing frame (8), and the inner wall of the collection box (13) is fixedly connected to the air outlet end of the suction pipe (12). The fan (14) is fixedly connected to the back of the collection box (13), and the air inlet end of the fan (14) is fixedly connected to the inner wall of the collection box (13).

4. The slag removal device for the external weld seam of a straight seam submerged arc welded pipe according to claim 1, characterized in that, The support mechanism consists of a fixed block (15), a support base (16), and an auxiliary wheel (17). The fixed block (15) is fixedly connected to the top surface of the base plate (1), the support base (16) is fixedly connected to the surface of the fixed block (15), and the auxiliary wheel (17) is rotatably connected to the inner wall of the support base (16).

5. The slag removal device for the external weld of a straight seam submerged arc welded pipe according to claim 1, characterized in that, The drive assembly consists of a limiting ring (18), a servo motor (19), a bidirectional threaded rod (20), and a connecting frame (21). The limiting ring (18) is fixedly connected to the bottom surface of the base plate (1). The servo motor (19) is fixedly connected to the front surface of the limiting ring (18), and the output end of the servo motor (19) is rotatably connected to the inner wall of the limiting ring (18). The bidirectional threaded rod (20) is rotatably connected to the inner wall of the limiting ring (18), and the bidirectional threaded rod (20) is fixedly connected to the output end of the servo motor (19). The inner wall of the connecting frame (21) is threadedly connected to the surface of the bidirectional threaded rod (20), and the connecting frame (21) is fixedly connected to the bottom surface of the limiting slider (4).

6. The slag removal device for the external weld of a straight seam submerged arc welded pipe according to claim 1, characterized in that, The clamp (6) is arc-shaped and is made of metal.

7. A slag removal device for the external weld seam of a straight seam submerged arc welded pipe according to claim 4, characterized in that, The number of fixing blocks (15) is multiple, and all the fixing blocks (15) are located on the top surface of the base plate (1).

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