A spiral seam submerged arc welded pipe cutting device

Abstract

The utility model relates to a steel pipe cutting technical field, concretely is a kind of spiral seam submerged arc welding steel pipe cutting device, it includes: cutting machine tool, two groups of longitudinal beam are provided on cutting machine tool, slidingly set up crossbeam between two groups of longitudinal beam;Crossbeam is connected with longitudinal beam by lifting assembly, and slidingly installed with moving block on crossbeam;Cutting machine tool is also provided with support assembly, support assembly includes the mounting plate slidingly set on cutting machine tool, and support structure and abutment structure are provided on mounting plate, abutment structure includes two groups of abutment piece symmetrically set along the length direction of mounting plate, two groups of abutment piece are connected with the drive assembly set on mounting plate, when lifting assembly drives crossbeam to slide relative to longitudinal beam, moving block can trigger drive assembly, drive two groups of abutment piece to approach each other or away from each other;The cooperation between each component can be radially extruded to steel pipe body when cutting, avoid oval deformation to cutting face when cutting, improve cutting accuracy.

Description

Technical Field

[0001] This utility model relates to the field of steel pipe cutting technology, specifically a spiral submerged arc welded steel pipe cutting device. Background Technology

[0002] Spiral submerged arc welded steel pipe is a type of steel pipe made from hot-rolled strip steel coils through room temperature extrusion and welding using fully automated double-wire double-sided submerged arc welding technology. It is widely used in industrial pipelines for petroleum, chemical, medical, food, light industry, and machinery, as well as in mechanical structural components.

[0003] Steel pipes are generally quite long, and need to be cut to the required length. Traditionally, the pipe is fixed first, then cut using a cutting machine. However, when cutting the pipe, the cutting blade applies pressure radially. This radial compression and tangential expansion can easily cause deformation, resulting in a slight bulge and elliptical deformation at the cut edge. These deformed pipes have poor sealing properties and cause difficulties in welding. Utility Model Content

[0004] The purpose of this invention is to provide a spiral submerged arc welded steel pipe cutting device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A spiral submerged arc welded steel pipe cutting device includes: a cutting machine tool, wherein two sets of longitudinal beams are provided on the cutting machine tool, and a crossbeam is slidably arranged between the two sets of longitudinal beams;

[0007] The crossbeam is connected to the longitudinal beam via a lifting assembly, and a movable block is slidably mounted on the crossbeam.

[0008] The cutting machine tool is also provided with a support assembly, which includes a mounting plate slidably disposed on the cutting machine tool. The mounting plate is provided with a support structure and an abutment structure. The abutment structure includes two sets of abutment members symmetrically disposed along the length direction of the mounting plate. The two sets of abutment members are connected to a drive assembly disposed on the mounting plate. When the lifting assembly drives the crossbeam to slide relative to the longitudinal beam, the moving block can trigger the drive assembly to drive the two sets of abutment members to move closer to or further away from each other.

[0009] As described above, the spiral submerged arc welded steel pipe cutting device includes a lifting assembly that is rotatably mounted on the cutting machine tool. Two sets of the screws are symmetrically arranged along the length of the cutting machine tool. Each set of the screws is provided with a threaded sleeve that is threadedly connected to it. The two sets of threaded sleeves are respectively fixedly connected to a sleeve that is fixedly mounted on the crossbeam and slidably connected to the longitudinal beam.

[0010] The spiral submerged arc welded steel pipe cutting device described above: the support structure includes support rollers rotatably mounted on the mounting plate, and two sets of support rollers are symmetrically arranged along the length direction of the mounting plate.

[0011] As described above, the spiral submerged arc welded steel pipe cutting device includes a longitudinal plate slidably disposed on the mounting plate. A plug-in cylinder is fixedly disposed on the longitudinal plate. Two sets of plug-in cylinders are symmetrically disposed along the length direction of the longitudinal plate. A spring is disposed in each set of plug-in cylinders. One end of the spring abuts against the longitudinal plate, and the other end abuts against the plug-in rod slidably disposed in the plug-in cylinder. An abutment roller is rotatably mounted on the end of the two sets of plug-in rods away from the spring.

[0012] As described above, the spiral submerged arc welded steel pipe cutting device includes a driving component comprising a bidirectional moving structure and a triggering structure. The bidirectional moving structure includes a rotating rod rotatably mounted on the mounting plate. A movable sleeve is sleeved on the rotating rod. Two sets of movable sleeves are symmetrically arranged along the length direction of the mounting plate. The two sets of movable sleeves are respectively fixed to two sets of longitudinal plates. The inner wall of each set of movable sleeves is provided with a protrusion. The two sets of protrusions are respectively slidably arranged in spiral grooves symmetrically opened on the rotating rod.

[0013] As described above, the spiral submerged arc welded steel pipe cutting device includes a toothed plate slidably disposed on the mounting plate. The toothed plate meshes with a gear coaxially fixed on the rotating rod. A movable plate is also fixedly disposed on the toothed plate. The movable plate cooperates with a trigger element fixedly disposed on the movable block, which can drive the toothed plate to slide along the width direction of the mounting plate.

[0014] As described above, the spiral submerged arc welded steel pipe cutting device includes a sliding rod fixedly mounted on the moving block, which is slidably mounted in an inclined groove on the moving plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] By setting up an abutment structure, an inward squeezing restriction is provided on the cutting end face of the steel pipe body during the cutting process. This can effectively prevent the outward deformation caused by the cutting force when the cutting blade cuts, and at the same time reduce the elliptical deformation of the steel pipe caused by radial compression during cutting, thereby improving the cutting accuracy and the quality of the cut product.

[0017] Meanwhile, by setting up drive components and lifting components, the device as a whole can adjust the distance between the cutting blade and the steel pipe body according to the pipe diameter. During the adjustment process, the abutment structure can simultaneously and adaptively adjust the clamping force of the steel pipe body, so that the abutment roller can accurately and stably provide radial clamping force to the steel pipe cutting point, thereby improving the stability of the steel pipe body during processing and the overall practicality of the device. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a spiral submerged arc welded steel pipe cutting device.

[0019] Figure 2 This is a schematic diagram of the other side of the spiral submerged arc welded steel pipe cutting device.

[0020] Figure 3 This is a schematic diagram of the structure of the crossbeam and the mounting plate in the spiral submerged arc welded steel pipe cutting device.

[0021] Figure 4 This is a schematic diagram of the mounting plate in a spiral submerged arc welded steel pipe cutting device.

[0022] Figure 5 This is a schematic diagram of the abutment structure in a spiral submerged arc welded steel pipe cutting device.

[0023] Figure 6 This is a schematic diagram of the abutment component in a spiral submerged arc welded steel pipe cutting device.

[0024] Figure 7 This is a schematic diagram of the interaction between the drive component and the triggering structure in a spiral submerged arc welded steel pipe cutting device.

[0025] In the diagram: 1. Cutting machine tool; 2. Drive mechanism; 3. Longitudinal beam; 4. Crossbeam; 5. Moving block; 501. Drive system; 6. Mounting plate; 601. Synchronization mechanism; 602. Moving groove; 603. Slide groove; 7. Steel pipe body; 8. Lead screw; 9. Toothed belt; 10. Sleeve sleeve; 11. Threaded sleeve; 12. Synchronous pulley; 13. Longitudinal plate; 14. Insert sleeve; 15. Abutment roller; 16. Rotating rod; 1601. Spiral groove; 17. Support roller; 18. Moving sleeve; 1801. Protrusion; 19. Moving plate; 1901. Inclined groove; 20. Gear; 21. Toothed plate; 22. Insert rod; 23. Spring; 24. Slide rod. Detailed Implementation

[0026] Various exemplary embodiments, features, and aspects of this application will now be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0027] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0028] Furthermore, to better illustrate this application, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this application can be implemented even without certain specific details. In some instances, methods, means, and elements well-known to those skilled in the art have not been described in detail in order to highlight the main points of this application.

[0029] Please see Figures 1-7 In this embodiment of the utility model, a spiral submerged arc welded steel pipe cutting device includes:

[0030] A cutting machine tool 1 is provided with two sets of longitudinal beams 3, and a crossbeam 4 is slidably arranged between the two sets of longitudinal beams 3.

[0031] Specifically, please refer to Figure 1 , Figure 2 The cutting machine tool 1 is equipped with a drive mechanism 2, which can drive the steel pipe body 7 placed on the cutting machine tool 1 to rotate so that the cutting device installed on the crossbeam 4 can cut the steel pipe body 7.

[0032] The crossbeam 4 is connected to the longitudinal beam 3 via a lifting assembly, and a moving block 5 is slidably installed on the crossbeam 4;

[0033] For details, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 7 The aforementioned movable block 5 is equipped with a cutting blade, and the movable block 5 is connected to the crossbeam 4 through a drive system 501. The drive system 501 can drive the movable block 5 to slide freely along the crossbeam 4 so that the cutting blade can flexibly cut the steel pipe body 7 according to the actual required size.

[0034] Specifically, the lifting assembly includes a lead screw 8 rotatably mounted on the cutting machine tool 1. Two sets of lead screws 8 are symmetrically arranged along the length direction of the cutting machine tool 1. Each set of lead screws 8 is provided with a threaded sleeve 11 threadedly connected to it. The two sets of threaded sleeves 11 are respectively fixedly connected to a sleeve 10 fixedly mounted on the crossbeam 4 and slidably connected to the longitudinal beam 3.

[0035] Please see Figure 1 , Figure 2 Both sets of lead screws 8 are coaxially fixed with synchronous pulleys 12, and the two sets of synchronous pulleys 12 are connected by a toothed belt 9. One set of lead screws 8 is coaxially fixed with the output shaft of the servo motor fixed on the crossbeam 4. With the cooperation of the toothed belt 9 and the synchronous pulleys 12, the servo motor can drive the two sets of lead screws 8 to rotate synchronously, thereby driving the threaded sleeve 11 to drive the sleeve 10 and the crossbeam 4 to slide relative to the longitudinal beam 3, so that the operator can adjust the distance between the cutting blade and the steel pipe body 7 according to the pipe diameter of the steel pipe body 7.

[0036] Further, please refer to Figures 1-7 The cutting machine tool 1 is also provided with a support assembly, which includes a mounting plate 6 slidably disposed on the cutting machine tool 1. The mounting plate 6 is provided with a support structure and an abutment structure. The abutment structure includes two sets of abutment members symmetrically disposed along the length direction of the mounting plate 6. The two sets of abutment members are connected to a drive assembly disposed on the mounting plate 6. When the lifting assembly drives the crossbeam 4 to slide relative to the longitudinal beam 3, the moving block 5 can trigger the drive assembly to drive the two sets of abutment members to move closer to or further away from each other.

[0037] Specifically, please refer to Figure 3 , Figure 4 A synchronization mechanism 601 is installed on the mounting plate 6. The synchronization mechanism 601 is communicatively connected to the drive system 501. When the drive system 501 drives the moving block 5 to move, the synchronization mechanism 601 can simultaneously drive the mounting plate 6 to slide relative to the cutting machine tool 1, so that the mounting plate 6 and the moving block 5 can remain relatively stationary in the horizontal direction.

[0038] The support structure includes support rollers 17 rotatably mounted on the mounting plate 6. Two sets of support rollers 17 are symmetrically arranged along the length of the mounting plate 6. In actual use, the positions of the moving block 5 and the mounting plate 6 are first adjusted according to the cutting requirements. After the adjustment is completed, the steel pipe body 7 is placed on the two sets of support rollers 17, and one end of the steel pipe body 7 abuts against the drive mechanism 2. After the preparation step is completed, the height of the crossbeam 4 is adjusted by the lifting component so that the cutting blade is lowered to a suitable height. During this process, the drive component is triggered, driving the two sets of abutting parts to move closer to each other, thereby restricting and squeezing the side of the steel pipe body 7. Subsequently, the drive mechanism 2 is started. Under the action of the drive mechanism 2, the steel pipe body 7 rotates one revolution. At the same time, the cutting blade cuts the steel pipe body 7. During this process, due to the abutting restriction of the abutting parts, the possibility of outward deformation of the cut surface of the steel pipe body 7 due to the cutting force can be avoided during the cutting process, thereby improving the integrity of the steel pipe body 7 after cutting.

[0039] In detail, the abutting member includes a longitudinal plate 13 slidably disposed on the mounting plate 6, and a plug-in cylinder 14 is fixedly disposed on the longitudinal plate 13. Two sets of plug-in cylinders 14 are symmetrically disposed along the length direction of the longitudinal plate 13. A spring 23 is disposed in each set of plug-in cylinders 14. One end of the spring 23 abuts against the longitudinal plate 13, and the other end abuts against the plug-in rod 22 slidably disposed in the plug-in cylinder 14. An abutting roller 15 is rotatably mounted on the end of the two sets of plug-in rods 22 away from the spring 23.

[0040] Please refer to the following for further explanation: Figure 6 The aforementioned spring 23 is always in a compressed state, pushing the insertion rod 22 to tend to move towards the outside of the insertion cylinder 14, so that the two sets of abutment rollers 15 approach each other. When the steel pipe body 7 is placed, the steel pipe body 7 will squeeze and make way for the abutment rollers 15 until the steel pipe body 7 contacts the support roller 17. At this time, the vertical position of the steel pipe body 7 is determined. At this time, the spring 23 releases elastic potential energy to push the abutment rollers 15 to squeeze towards the axis of the steel pipe body 7, thereby fixing the position of the steel pipe body 7 in the radial direction and preventing the steel pipe body 7 from shaking during the subsequent rotation driven by the driving mechanism 2. At the same time, the abutment rollers 15 restrict the inward contact of the cutting end of the steel pipe body 7, which can reduce the elliptical deformation caused by the radial compression of the material during the cutting process, thereby improving the cutting quality of the steel pipe body 7.

[0041] Preferably, please refer to Figures 1-7The driving component includes a bidirectional moving structure and a triggering structure. The bidirectional moving structure includes a rotating rod 16 rotatably mounted on the mounting plate 6. A movable sleeve 18 is sleeved on the rotating rod 16. Two sets of movable sleeves 18 are symmetrically arranged along the length direction of the mounting plate 6. The two sets of movable sleeves 18 are respectively fixed to two sets of longitudinal plates 13. The inner wall of each set of movable sleeves 18 is provided with a protrusion 1801. The two sets of protrusions 1801 are respectively slidably arranged in the spiral grooves 1601 symmetrically opened on the rotating rod 16.

[0042] Specifically, please refer to Figure 5 The aforementioned longitudinal plate 13 is slidably disposed within a groove 603 opened on the mounting plate 6. Under the restriction of the groove 603, the longitudinal plate 13 and the movable sleeve 18 can only slide along the length direction of the mounting plate 6.

[0043] The triggering structure includes a toothed plate 21 slidably disposed on the mounting plate 6. The toothed plate 21 meshes with a gear 20 coaxially fixedly disposed on the rotating rod 16. A movable plate 19 is also fixedly disposed on the toothed plate 21. The movable plate 19 cooperates with a triggering element fixedly disposed on the movable block 5, which can drive the toothed plate 21 to slide along the width direction of the mounting plate 6.

[0044] The triggering element includes a slide rod 24 fixedly mounted on the movable block 5, and the slide rod 24 is slidably mounted in the inclined groove 1901 opened on the movable plate 19;

[0045] For details, please refer to Figure 4 , Figure 5 , Figure 7 The toothed plate 21 is slidably disposed in the movable groove 602 opened on the mounting plate 6. Under the restriction of the movable groove 602, the toothed plate 21 can only slide along the width direction of the mounting plate 6.

[0046] In the initial state, i.e., when the distance between the crossbeam 4 and the horizontal ground is at its maximum, the slide bar 24 is located at the end of the stroke of the inclined groove 1901 near the end of the crossbeam 4, and the toothed plate 21 is close to the drive mechanism 2 (in conjunction with...). Figure 1 , Figure 4(Description); After the steel pipe body 7 to be cut is stably placed on the mounting plate 6 (if the diameter of the steel pipe body 7 is smaller, the clamping force of the abutment roller 15 on the steel pipe body 7 will be smaller), according to the diameter of the steel pipe body 7, the height of the crossbeam 4 is adjusted by the lifting assembly to adjust the distance between the cutting blade and the steel pipe body 7 to a suitable position; during this process, the slide rod 24 that follows the descent of the crossbeam 4 cooperates with the inclined groove 1901 to drive the moving plate 19 to drive the toothed plate 21 to gradually move away from the drive mechanism 2. At the same time, the toothed plate 21 and the gear 20 engage and transmit power. In the active state, the rotating rod 16 is driven to rotate counterclockwise. At this time, the spiral groove 1601 cooperates with the protrusion 1801 to drive the two sets of moving sleeves 18 to bring the two sets of longitudinal plates 13 closer to each other. During this process, due to the restriction of the steel pipe body 7 on the abutting roller 15, the longitudinal plate 13 will further compress the spring 23, so that the squeezing force of the abutting roller 15 on the steel pipe body 7 gradually increases, thereby ensuring that the clamping force of the abutting roller 15 on the steel pipe body 7 is always in the most advantageous state during the cutting process, thereby improving the overall practicality of the device and the cutting accuracy.

[0047] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0048] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A spiral submerged arc welded steel pipe cutting device, comprising: A cutting machine tool (1), wherein two sets of longitudinal beams (3) are provided on the cutting machine tool (1), and a crossbeam (4) is slidably provided between the two sets of longitudinal beams (3); characterized in that: The crossbeam (4) is connected to the longitudinal beam (3) through a lifting assembly, and a moving block (5) is slidably installed on the crossbeam (4). The cutting machine tool (1) is also provided with a support assembly, which includes a mounting plate (6) slidably disposed on the cutting machine tool (1). The mounting plate (6) is provided with a support structure and an abutment structure. The abutment structure includes two sets of abutment members symmetrically disposed along the length direction of the mounting plate (6). The two sets of abutment members are connected to a drive assembly disposed on the mounting plate (6). When the lifting assembly drives the crossbeam (4) to slide relative to the longitudinal beam (3), the moving block (5) can trigger the drive assembly to drive the two sets of abutment members to move closer to or further away from each other.

2. The spiral submerged arc welded steel pipe cutting device according to claim 1, characterized in that, The lifting assembly includes a lead screw (8) rotatably mounted on the cutting machine tool (1). Two sets of lead screws (8) are symmetrically arranged along the length direction of the cutting machine tool (1). Each set of lead screws (8) is provided with a threaded sleeve (11) threadedly connected to it. The two sets of threaded sleeves (11) are respectively fixedly connected to a sleeve (10) fixedly mounted on the crossbeam (4) and slidably connected to the longitudinal beam (3).

3. The spiral submerged arc welded steel pipe cutting device according to claim 1, characterized in that, The support structure includes support rollers (17) rotatably mounted on the mounting plate (6), and two sets of support rollers (17) are symmetrically arranged along the length direction of the mounting plate (6).

4. The spiral submerged arc welded steel pipe cutting device according to claim 3, characterized in that, The abutting component includes a longitudinal plate (13) slidably disposed on the mounting plate (6). A plug-in tube (14) is fixedly disposed on the longitudinal plate (13). Two sets of plug-in tubes (14) are symmetrically disposed along the length direction of the longitudinal plate (13). A spring (23) is disposed in each set of plug-in tubes (14). One end of the spring (23) abuts against the longitudinal plate (13), and the other end abuts against the plug-in rod (22) slidably disposed in the plug-in tube (14). An abutting roller (15) is rotatably mounted on the end of the two sets of plug-in rods (22) away from the spring (23).

5. The spiral submerged arc welded steel pipe cutting device according to claim 4, characterized in that, The drive assembly includes a bidirectional moving structure and a triggering structure. The bidirectional moving structure includes a rotating rod (16) rotatably mounted on the mounting plate (6). A movable sleeve (18) is sleeved on the rotating rod (16). Two sets of movable sleeves (18) are symmetrically arranged along the length direction of the mounting plate (6). The two sets of movable sleeves (18) are respectively fixed to the two sets of longitudinal plates (13). The inner wall of each set of movable sleeves (18) is provided with a protrusion (1801). The two sets of protrusions (1801) are respectively slidably arranged in the spiral grooves (1601) symmetrically opened on the rotating rod (16).

6. The spiral submerged arc welded steel pipe cutting device according to claim 5, characterized in that, The triggering structure includes a toothed plate (21) slidably disposed on the mounting plate (6). The toothed plate (21) meshes with a gear (20) coaxially fixed on the rotating rod (16). A movable plate (19) is also fixedly disposed on the toothed plate (21). The movable plate (19) cooperates with a trigger fixedly disposed on the movable block (5) to drive the toothed plate (21) to slide along the width direction of the mounting plate (6).

7. The spiral submerged arc welded steel pipe cutting device according to claim 6, characterized in that, The triggering element includes a slide rod (24) fixedly mounted on the movable block (5), and the slide rod (24) is slidably mounted in an inclined groove (1901) opened on the movable plate (19).

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