Slag scraper for inner welding seam of double-sided submerged-arc welding spiral steel pipe

Abstract

The utility model discloses a double-sided submerged-arc welding spiral steel pipe inner welding seam slag scraper which comprises a lead screw sliding table erected in the axial direction of a spiral steel pipe, a mounting seat fixedly assembled on a sliding seat of the lead screw sliding table, a grinding assembly, a slag scraping assembly and a waste collecting assembly, wherein the grinding assembly and the slag scraping assembly are erected on the two sides above the mounting seat respectively. The utility model relates to the technical field of steel pipe welding. According to the double-sided submerged-arc welding spiral steel pipe inner welding seam slag scraper, the grinding assembly and the slag scraping assembly are arranged on the two sides of the upper portion of the mounting base correspondingly, along with spiral conveying of the spiral steel pipe, slag scraping and grinding treatment on the welding seam of the spiral steel pipe can be sequentially achieved through the slag scraping assembly and the grinding assembly, functionality is increased, and meanwhile the slag scraping effect is improved. And waste residues generated by the grinding assembly and the residue scraping assembly can be collected into the waste residue box in a unified and centralized mode by means of the first material guide box and the second material guide box, splashing of the waste residues is avoided, and the labor intensity of follow-up cleaning operation of operators is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe welding, in particular to a double-sided submerged arc welding spiral steel pipe inner weld slag scraper. Background Art

[0002] After searching, Chinese patent CN207823524U discloses a double-sided submerged arc welding spiral steel pipe weld scraper, including a base, a support frame, a rotating motor, a moving cylinder, and a scraper mechanism, wherein the support frame is located on the base, the moving cylinder passes through the support frame and is connected to the scraper mechanism, and the scraper mechanism is connected to the rotating motor; the scraper mechanism includes a tool holder and a plurality of cutting tools, and the cutting tools are all fixed on the tool holder; the tool holder is provided with radial adjustment grooves with the same number as the cutting tools, and the bottom of the cutting tool is placed in the radial adjustment grooves. The utility model creates a double-sided submerged arc welding spiral steel pipe weld scraper, which, under the action of the rotating motor and the moving cylinder, first moves the scraper mechanism horizontally to the welding position, and then rotates the scraper mechanism to make the internal welding position smoother and neater.

[0003] As mentioned above, the existing double-sided submerged arc welded spiral steel pipe weld seam scraper uses a scraper mechanism driven by a rotating motor to scrape the weld seam of the spiral steel pipe. It has a single function, and the fallen slag will splash everywhere with the rotating scraper mechanism, which is inconvenient for subsequent operators to clean. Therefore, the applicant has designed a double-sided submerged arc welded spiral steel pipe weld seam scraper to solve the above problem. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a double-sided submerged arc welded spiral steel pipe weld slag scraper, which solves the problem that the existing double-sided submerged arc welded spiral steel pipe weld slag scraper has a single function and the fallen slag will splash everywhere with the rotating scraping mechanism, making it inconvenient for subsequent operators to clean up.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a double-sided submerged arc welding spiral steel pipe weld scraper, including a screw slide mounted along the axial direction of the spiral steel pipe, a mounting seat fixedly mounted on the screw slide slide, and a grinding component and a scraping component respectively mounted on both sides above the mounting seat through an adjustment frame, and a waste collection component for centralized treatment of slag materials of the grinding component and the scraping component.

[0006] The grinding assembly consists of a first material guide box and a grinding roller mounted at the opening of the first material guide box along the axial direction of the spiral steel pipe.

[0007] The scraper assembly is composed of a second material guide box and a scraper mounted at the opening of the second material guide box along the axial direction of the spiral steel pipe.

[0008] A connecting hole is provided on the mounting seat, and the waste collecting assembly includes a waste slag box docked and assembled on the connecting hole and two telescopic hoses respectively fixedly connected to the two sides of the top of the waste slag box, the first material guide box and the second material guide box are both erected along an inclined direction and are symmetrically distributed, and the top ends of the two telescopic hoses are respectively fixedly connected to the bottoms of the first material guide box and the second material guide box.

[0009] Preferably, the adjustment frame includes a fixed plate, a cylinder installed along the length direction of the fixed plate and a support plate for supporting a grinding assembly or a scraping assembly. The fixed plate is provided with limiting holes distributed along its length direction. A slider for fixing the support plate is slidably installed in the limiting hole, and the output end of the cylinder is fixedly connected to the slider.

[0010] Preferably, the tops of the first material guide box and the second material guide box are both provided with an external expansion structure, and both sides of the external expansion structure are provided with brackets that are inclined inwards and are used to install grinding rollers or scrapers.

[0011] Preferably, the grinding roller consists of a roller and a plurality of grinding sheets distributed in a ring array and installed on the surface of the roller.

[0012] Preferably, it also includes a drainage tube docked and assembled at the end of the connecting hole away from the waste slag box, a fan is fixedly installed on the end of the drainage tube away from its installation end, and a discharge pipe extending vertically downward is provided at the bottom of the drainage tube close to the fan.

[0013] Beneficial Effects

[0014] The utility model provides a double-sided submerged arc welded spiral steel pipe internal weld slag scraper. Compared with the prior art, it has the following beneficial effects:

[0015] The double-sided submerged arc welded spiral steel pipe weld seam scraper is provided with a grinding assembly and a scraping assembly on both sides above the mounting seat. As the spiral steel pipe is spirally conveyed, the scraping and grinding treatments on the weld seam of the spiral steel pipe can be carried out in sequence by means of the scraping assembly and the grinding assembly, thereby increasing functionality. Meanwhile, the waste slag generated by the grinding assembly and the scraping assembly can be respectively collected in a waste slag box by means of the first material guide box and the second material guide box, thereby avoiding splashing of slag and reducing the labor intensity of subsequent cleaning operations by operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front L structure of the mounting base of the utility model;

[0018] Figure 3This is a schematic diagram of the back structure of the mounting seat of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the adjustment frame of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the scraper assembly of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the grinding component of the utility model;

[0022] Figure 7 It is a structural schematic diagram of the waste collection component of the utility model;

[0023] In the figure:

[0024] 100. Screw slide;

[0025] 200, mounting seat;

[0026] 210, communicating hole;

[0027] 300, adjustment frame;

[0028] 310, fixing plate; 320, cylinder; 330, supporting plate; 340, limiting hole; 350, sliding block;

[0029] 400, polishing components;

[0030] 410, first material guide box; 420, grinding roller; 430, external expansion structure; 440, bracket;

[0031] 4210, roller; 4220, sanding sheet;

[0032] 500, scraper assembly;

[0033] 510, second material guide box; 520, scraper;

[0034] 600, waste collection assembly;

[0035] 610, waste slag box; 620, telescopic hose; 630, drainage pipe; 640, fan; 650, discharge pipe. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] See also Figure 1-7 The utility model provides a technical solution: a double-sided submerged arc welding spiral steel pipe weld scraper, comprising a screw slide 100 erected along the axial direction of the spiral steel pipe, a mounting seat 200 fixedly assembled on the sliding seat of the screw slide 100, and a grinding assembly 400 and a scraping assembly 500 respectively erected on both sides above the mounting seat 200 through an adjustment frame 300, and a waste material collection assembly 600 for centralized treatment of the slag materials of the grinding assembly 400 and the scraping assembly 500, the grinding assembly 400 is composed of a first material guide box 410 and a grinding roller 420 erected at the opening of the first material guide box 410 along the axial direction of the spiral steel pipe. The scraping assembly 500 is composed of a second material guide box 510 and a scraper 520 mounted at the opening of the second material guide box 510 along the axial direction of the spiral steel pipe. A connecting hole 210 is opened on the mounting seat 200. The waste collecting assembly 600 includes a waste box 610 docked and assembled on the connecting hole 210 and two telescopic hoses 620 respectively fixedly connected to the two sides of the top of the waste box 610. The first material guide box 410 and the second material guide box 510 are both mounted in an inclined direction and are symmetrically distributed. The top ends of the two telescopic hoses 620 are respectively fixedly connected to the bottoms of the first material guide box 410 and the second material guide box 510.

[0038] Based on the above-mentioned structural setting, the double-sided submerged arc welding spiral steel pipe weld scraper is composed of a screw slide 100, a mounting seat 200, a grinding assembly 400, a scraper assembly 500 and two adjustment frames 300, wherein the screw slide 100 is distributed along the axial direction of the spiral steel pipe and can drive the slide to drive the mounting seat 200 assembled thereon to move along the axial direction of the spiral steel pipe, so as to realize the grinding assembly 400 and the scraper assembly 500 acting on the weld in the spiral steel pipe, and the two adjustment frames 300 respectively provide structural support for the installation of the grinding assembly 400 and the scraper assembly 500 on the mounting seat 200. Specifically, during the working process, the operator starts the screw slide 100, and with the movement of the screw slide 100 slide, the grinding assembly 400 and the scraper assembly 500 can be extended into the spiral steel pipe. During the spiral conveying of the spiral steel pipe, the scraper 520 and the grinding roller 420 respectively scrape the inner wall of the spiral steel pipe The scraper 500 and the grinding assembly 400 are respectively used for scraping and grinding the slag. The scraper 500 and the grinding assembly 400 are respectively used for scraping and grinding the slag. The functionality is increased. At the same time, the scraper 500 and the grinding assembly 400 are respectively used for scraping and grinding the slag at the weld of the spiral steel pipe, thereby increasing the functionality. At the same time, the scraper 500 and the grinding assembly 400 are respectively used for scraping and grinding the slag. The slag generated by the grinding assembly 400 and the scraper 500 are respectively collected in the slag box 610 by means of the first material guide box 410 and the second material guide box 510, thereby avoiding the splashing of the slag and reducing the labor intensity of the subsequent cleaning operation of the operator.

[0039] Furthermore, the adjustment frame 300 includes a fixed plate 310, a cylinder 320 erected along the length direction of the fixed plate 310, and a support plate 330 for supporting the grinding assembly 400 or the scraping assembly 500. The fixed plate 310 is provided with limiting holes 340 distributed along its length direction. The limiting holes 340 are slidably installed with a slider 350 for fixed connection with the support plate 330, and the output end of the cylinder 320 is fixedly connected to the slider 350. Among them, the two adjustment frames 300 are respectively connecting parts between the grinding assembly 400 and the scraping assembly 500 and the mounting seat 200, and at the same time, they can play an adjustment function. With the help of the two cylinders 320, the position adjustment of the grinding assembly 400 and the scraping assembly 500 can be realized respectively to adapt to the processing of spiral steel pipes with different pipe diameters.

[0040] Furthermore, the tops of the first material guide box 410 and the second material guide box 510 are both provided with an outer expansion structure 430 , and both sides of the outer expansion structure 430 are provided with brackets 440 that are tilted inward and are used to install the grinding roller 420 or the scraper 520 . Among them, the first material guide box 410 and the second material guide box 510 are respectively used for the material guiding operations of the waste generated by the grinding component 400 and the scraping component 500, and are both provided with the first material guide box 410 and the second material guide box 510 with an external expansion structure 430, which ensures the collection effect of the guided materials, and the bracket 440 inclined inwardly allows the grinding roller 420 or the scraper 520 to be erected above the external expansion structure 430 along the axial direction of the spiral steel pipe, further ensuring the collection effect of the guided materials, and the grinding roller 420 and the scraper 520 are respectively erected above the first material guide box 410 and the second material guide box 510, and are both detachable structures, which facilitates the subsequent maintenance and replacement operations of the grinding roller 420 and the scraper 520.

[0041] Furthermore, the grinding roller 420 is composed of a roller 4210 and a plurality of frosting sheets 4220 distributed in a circular array and installed on the surface of the roller 4210. The grinding roller 420 rotates by contacting the spiral steel pipe of the spiral conveyor, and grinds the inner wall of the spiral steel pipe at the same time. The grinding roller 420 is a consumable material. Preferably, the grinding roller 420 is composed of a roller 4210 and a plurality of frosting sheets 4220. In the specific use process, the frosting sheets 4220 can be replaced regularly to reduce maintenance costs.

[0042] Furthermore, it also includes a drainage pipe 630 that is docked and assembled at the end of the connecting hole 210 away from the waste slag box 610, and the end of the drainage pipe 630 away from its installation end is fixedly installed with a fan 640, and the bottom of the drainage pipe 630 close to the fan 640 is provided with a discharge pipe 650 extending vertically downward. Among them, the slag discharged from the first material guide box 410 and the second material guide box 510 are collected in the waste slag box 610. By providing the drainage pipe 630 equipped with the fan 640, the slag in the waste slag box 610 can be introduced into the drainage pipe 630 and finally discharged through the discharge pipe 650.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-sided submerged arc welded spiral steel pipe internal weld slag scraper, characterized in that: The invention comprises a screw slide (100) erected along the axial direction of a spiral steel pipe, a mounting seat (200) fixedly mounted on the sliding seat of the screw slide (100), a grinding assembly (400) and a slag scraping assembly (500) respectively erected on both sides above the mounting seat (200) through an adjustment frame (300), and a waste material collection assembly (600) for centralized treatment of slag materials of the grinding assembly (400) and the slag scraping assembly (500); The grinding assembly (400) is composed of a first material guide box (410) and a grinding roller (420) mounted at the opening of the first material guide box (410) along the axial direction of the spiral steel pipe; The scraper assembly (500) is composed of a second material guide box (510) and a scraper (520) mounted at the opening of the second material guide box (510) along the axial direction of the spiral steel pipe; The mounting seat (200) is provided with a connecting hole (210), and the waste collection assembly (600) comprises a waste slag box (610) butt-jointedly mounted on the connecting hole (210) and two telescopic hoses (620) respectively fixedly connected to two sides of the top of the waste slag box (610), the first material guide box (410) and the second material guide box (510) are both erected along an inclined direction and symmetrically distributed, and the top ends of the two telescopic hoses (620) are respectively fixedly connected to the bottom ends of the first material guide box (410) and the second material guide box (510).

2. The double-sided submerged arc welded spiral steel pipe internal weld scraper according to claim 1, characterized in that: The adjustment frame (300) comprises a fixed plate (310), a cylinder (320) arranged along the length direction of the fixed plate (310), and a support plate (330) for supporting a grinding assembly (400) or a scraping assembly (500); the fixed plate (310) is provided with limiting holes (340) distributed along its length direction; a slider (350) for fixed connection to the support plate (330) is slidably mounted in the limiting hole (340); and an output end of the cylinder (320) is fixedly connected to the slider (350).

3. The double-sided submerged arc welded spiral steel pipe internal weld scraper according to claim 1, characterized in that: The tops of the first material guide box (410) and the second material guide box (510) are both provided with an external expansion structure (430), and both sides of the external expansion structure (430) are provided with brackets (440) that are inclined inward and are used to install the grinding roller (420) or the scraper (520).

4. The double-sided submerged arc welded spiral steel pipe internal weld scraper according to claim 1, characterized in that: The grinding roller (420) is composed of a roller (4210) and a plurality of grinding sheets (4220) distributed in a ring array and installed on the surface of the roller (4210).

5. The double-sided submerged arc welded spiral steel pipe internal weld scraper according to claim 1, characterized in that: It also includes a drainage pipe (630) that is docked and assembled at one end of the connecting hole (210) away from the waste slag box (610), and a fan (640) is fixedly installed at one end of the drainage pipe (630) away from its installation end. A discharge pipe (650) that extends vertically downward is provided at the bottom of one end of the drainage pipe (630) close to the fan (640).

Images