Steel pipe notching device for steel pipe production

Abstract

The utility model provides a steel pipe notching device for steel pipe production. The steel pipe notching device comprises a machining table, an adjusting assembly is arranged on the right side of the top of the machining table, and a fixing assembly is arranged on the left side of the top of the machining table; the adjusting assembly comprises an arc-shaped groove formed in the top of the machining table, and a cutting table is arranged on the inner side of the arc-shaped groove in a left-right sliding mode in the length direction of the arc-shaped groove. According to the steel pipe notching device for steel pipe production, the whole cutting table is rotated to drive the protractor to rotate, when the pointing needle points to the needed position, the cutting table is stopped rotating, the positioning rod stops sliding on the inner side of the sliding groove, the two threaded sleeves are rotated inwards to fix the position of the connecting sleeve, and therefore the cutting table is fixed. The position of the whole cutting table is fixed, deviation of an angle notch caused by displacement of the cutting table during notch cutting is prevented, the structure is simple and practical, the requirement for notch cutting at any angle of a steel pipe is met conveniently, time and labor are saved, and adaptability is high.

Description

Technical Field

[0001] The utility model relates to the field of steel pipe production, in particular to a steel pipe cutting device used for steel pipe production. Background Art

[0002] Steel pipe refers to a tubular object made of steel with a hollow section, and its length is much greater than its diameter or circumference. They are usually made by cold drawing, cold rolling, hot rolling and other methods, and have strong pressure resistance and corrosion resistance. Steel pipes are widely used in various fields such as oil, natural gas, construction, and manufacturing. According to the cross-sectional shape, steel pipes can be divided into round, square, rectangular and special-shaped steel pipes; according to the material, they can be divided into carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes; according to the purpose, they can be divided into steel pipes for transportation pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment, etc.; according to the production process, they can be divided into seamless steel pipes and welded steel pipes, among which seamless steel pipes are divided into hot rolling and cold rolling, and welded steel pipes are divided into straight seam welded steel pipes and spiral seam welded steel pipes.

[0003] The steel pipe cutting machine is a mechanical device specially used for cutting and cutting steel pipes. It usually includes a main frame, a punching mechanism, a material pulling and unloading mechanism, a clamping mechanism, and a unloading frame. Through the cooperation of the punching seat, the punch and the cylinder in the punching mechanism, the steel pipe can be cut and cut with high precision.

[0004] In short, the steel pipe cutting machine is a kind of efficient and precise steel pipe processing equipment, which is widely used in industries such as petroleum, chemical, electric power, natural gas, metallurgy, shipbuilding, boiler, pharmaceutical, water treatment, as well as pipeline installation engineering and pipeline maintenance in new projects. Application number: CN202020677322.0, discloses a steel pipe cutting device for a steel pipe production line, which can improve the stability of the steel pipe, prevent the steel pipe from shaking, and improve the cutting efficiency of the steel pipe. However, when the device is in use, due to differences in the direction of the pipeline, the connection method or the installation environment, the steel pipe may need to be cut at different angles. For example, at the elbow or branch pipe, the steel pipe needs to be cut at a specific angle to ensure that the pipeline can be smoothly connected and meet the needs of fluid transmission. The device cannot meet the needs of angle change, resulting in poor overall adaptability.

[0005] Therefore, it is necessary to provide a steel pipe cutting device for steel pipe production to solve the above technical problems. Utility Model Content

[0006] The utility model provides a steel pipe cutting device for steel pipe production, which solves the problem in the related technology that some existing steel pipe cutting machines are inconvenient to adjust the cutting angle when in use.

[0007] In order to solve the above technical problems, the utility model provides a steel pipe cutting device for steel pipe production, comprising: a processing table, an adjusting component is arranged on the right side of the top of the processing table, and a fixing component is arranged on the left side of the top of the processing table;

[0008] The adjustment assembly includes an arc-shaped groove opened on the top of the processing table, a cutting table is provided inside the arc-shaped groove so as to slide left and right along its length direction, the back of the cutting table is rotatably connected to the rear side of the top of the processing table through a shaft, and a protractor is provided on the back of the cutting table and on the peripheral side of the shaft;

[0009] The fixing assembly includes a mounting frame arranged on the left side of the top of the processing table, a limit slide rod is longitudinally arranged on the inner side of the mounting frame and can slide forward and backward, a fixing frame is arranged at the rear end of the limit slide rod, and a stop block is arranged on the top of the processing table and on the rear side of the fixing frame.

[0010] Preferably, a rotating screw is longitudinally rotatably provided on the inner side of the fixing frame, the rear end of the rotating screw passes through the inner side of the fixing frame and extends to the back side thereof, the rear end of the rotating screw is fixedly connected to the back side of the fixing frame, and a rotating handle is provided on the front end of the rotating screw.

[0011] Preferably, the adjustment assembly also includes a pointing needle arranged on the top of the processing table and located at the rear side of the protractor, a fixing rod is arranged on the top of the processing table and located on the left side of the cutting table, a positioning rod is vertically arranged on the inner side of the cutting table and located on the inner side of the arc groove, and a screw is arranged on the top of the fixing rod so as to be rotatable laterally.

[0012] Preferably, a connecting sleeve is rotatably provided on the top of the positioning rod, the peripheral side surface of the screw rod is slidably connected to the inner side of the connecting sleeve, and the peripheral side surface of the screw rod and the two sides of the connecting sleeve are threadedly connected with threaded sleeves.

[0013] Preferably, a movable plate is provided on the top of the cutting table so as to slide forward and backward, and a cutting motor is provided on the top of the movable plate.

[0014] Preferably, a telescopic cylinder for pushing the movable plate to move forward and backward is provided on the front side of the top of the cutting table, and an output end on the back side of the telescopic cylinder is fixedly connected to the back side of the movable plate.

[0015] Compared with the related art, the steel pipe cutting device for steel pipe production provided by the utility model has the following beneficial effects:

[0016] The utility model provides a steel pipe cutting device for steel pipe production, which drives the protractor to rotate by rotating the entire cutting table. When the pointing needle points to the required position, the cutting table stops rotating, and the positioning rod stops sliding inside the slide groove. The position of the connecting sleeve is fixed by rotating two threaded sleeves inwardly, and the position of the entire cutting table is fixed to prevent the cutting table from shifting during cutting, resulting in deviation in the angle of the cutting. The utility model has a simple and practical structure, is convenient for realizing the cutting requirements of any angle on the steel pipe, saves time and effort, and has high adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A structural schematic diagram of a preferred embodiment of a steel pipe cutting device for steel pipe production provided by the utility model;

[0018] Figure 2 for Figure 1 The schematic diagram of the structure of the top view on the right side is shown;

[0019] Figure 3 for Figure 1 The right view structural diagram of the screw part is shown.

[0020] Numbers in the figure: 1. Processing table; 2. Adjustment assembly; 21. Arc groove; 22. Cutting table; 23. Protractor; 24. Pointing needle; 25. Fixing rod; 26. Positioning rod; 27. Screw; 28. Connecting sleeve; 29. ​​Threaded sleeve; 3. Fixing assembly; 31. Mounting frame; 32. Limiting slide rod; 33. Fixing frame; 34. Stopper; 35. Rotating screw; 36. Rotating handle; 4. Moving plate; 5. Cutting motor; 6. Telescopic cylinder. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 ,and Figure 3 ,in Figure 1 A structural schematic diagram of a preferred embodiment of a steel pipe cutting device for steel pipe production provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the structure of the top view on the right side is shown; Figure 3 for Figure 1 The right view of the screw portion is a schematic structural diagram, a steel pipe cutting device for steel pipe production, comprising: a processing table 1, an adjustment component 2 is arranged on the right side of the top of the processing table 1, and a fixing component 3 is arranged on the left side of the top of the processing table 1;

[0023] The adjustment assembly 2 includes an arc-shaped groove 21 opened on the top of the processing table 1, and a cutting table 22 is provided inside the arc-shaped groove 21 so as to slide left and right along its length direction. The back of the cutting table 22 is rotatably connected to the rear side of the top of the processing table 1 through a shaft, and a protractor 23 is provided on the back of the cutting table 22 and on the peripheral side of the shaft;

[0024] By using the rotatable cutting table 22, when cutting the pipe, by adjusting the position of the cutting table 22 inside the arc groove 21, processing of the steel pipe at different angles can be achieved.

[0025] The fixing assembly 2 includes a mounting frame 31 arranged on the left side of the top of the processing table 1, a limit slide bar 32 is longitudinally arranged on the inner side of the mounting frame 31 and can slide forward and backward, a fixing frame 33 is arranged at the rear end of the limit slide bar 32, and a stop block 34 is arranged on the top of the processing table 1 and on the rear side of the fixing frame 33.

[0026] The steel pipe to be processed is placed between the fixing frame 33 and the stopper 34 , and the fixing frame 33 is pushed backward by rotating the screw rod 35 , thereby fixing the position of the steel pipe.

[0027] A rotating screw rod 35 is longitudinally rotatably arranged on the inner side of the fixing frame 33 , and the rear end of the rotating screw rod 35 passes through the inner side of the fixing frame 33 and extends to the back side thereof. The rear end of the rotating screw rod 35 is fixedly connected to the back side of the fixing frame 33 , and a rotating handle 36 is arranged on the front end of the rotating screw rod 35 .

[0028] The adjustment assembly 3 also includes a pointing needle 24 arranged on the top of the processing table 1 and located on the rear side of the protractor 23, a fixing rod 25 is arranged on the top of the processing table 1 and on the left side of the cutting table 22, a positioning rod 26 is vertically arranged on the inner side of the cutting table 22 and on the inner side of the arc groove 21, and a screw 27 is arranged on the top of the fixing rod 25 so as to be rotatable laterally.

[0029] The initial pointing direction of the pointing needle 24 is 90 degrees, that is, the angle between the steel pipe and the cutter. By rotating the cutting table 22 to drive the protractor 23 to rotate, a clear angle cut can be achieved.

[0030] A connecting sleeve 28 is rotatably provided on the top of the positioning rod 26 , and the peripheral side surface of the screw rod 27 is slidably connected to the inner side of the connecting sleeve 28 . Threaded sleeves 29 are threadedly connected to the peripheral side surface of the screw rod 27 and on both sides of the connecting sleeve 28 .

[0031] When the cutting table 22 rotates, the positioning rod 26 slides inside the arc groove 21, and the screw rod 27 slides in the connecting sleeve 28 at the top of the positioning rod 26. After the angle is adjusted, the position of the connecting sleeve 28 is fixed by rotating the two threaded sleeves 29 inward, thereby fixing the position of the entire cutting table 22 to prevent the cutting table 22 from shifting during incision, resulting in deviation in the angle of the incision.

[0032] A moving plate 4 is provided on the top of the cutting table 22 so as to be slidable forward and backward, and a cutting motor 5 is provided on the top of the moving plate 4 .

[0033] The output end of the back of the cutting motor 5 is provided with a cutting knife, which cooperates with the telescopic cylinder 6 to cut the steel pipe.

[0034] A telescopic cylinder 6 for pushing the moving plate 4 to move forward and backward is arranged on the front side of the top of the cutting table 22 , and an output end on the back side of the telescopic cylinder 6 is fixedly connected to the back side of the moving plate 4 .

[0035] The working principle of a steel pipe cutting device for steel pipe production provided by the utility model is as follows:

[0036] Step 1: When in use, place the steel pipe to be processed between the fixing frame 33 and the stopper 34, and rotate the rotating handle 36 to drive the rotating screw 35 to rotate, and then drive the fixing frame 33 to push backward through the rotation of the rotating screw 35, thereby fixing the position of the steel pipe;

[0037] Step 2: When the cutting angle needs to be adjusted, the protractor 23 is driven to rotate by rotating the entire cutting table 22. When the pointing needle 24 points to the desired position, the cutting table 22 is stopped from rotating. The positioning rod 26 then stops sliding on the inner side of the arc groove 21. The position of the connecting sleeve 28 is fixed by rotating the two threaded sleeves 29 inward, thereby fixing the position of the entire cutting table 22 to prevent the cutting table 22 from shifting during cutting, resulting in deviation in the angle of the cut.

[0038] Compared with the related art, the steel pipe cutting device for steel pipe production provided by the utility model has the following beneficial effects:

[0039] The protractor 23 is driven to rotate by rotating the entire cutting table 22, and the cutting table 22 is stopped when the pointing needle 24 points to the required position, and the positioning rod 26 stops sliding on the inner side of the arc groove 21. The position of the connecting sleeve 28 is fixed by rotating the two threaded sleeves 29 inward, and the position of the entire cutting table 22 is fixed to prevent the cutting table 22 from shifting during cutting, resulting in deviation in the angle of the cutting. The structure is simple and practical, and it is convenient to achieve any angle cutting requirements for the steel pipe, saving time and effort, and having high adaptability.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A steel pipe cutting device for steel pipe production, characterized in that: include: A processing table (1), wherein an adjustment component (2) is arranged on the right side of the top of the processing table (1), and a fixing component (3) is arranged on the left side of the top of the processing table (1); The adjustment component (2) comprises an arc-shaped groove (21) formed on the top of the processing table (1); a cutting table (22) is provided on the inner side of the arc-shaped groove (21) so as to be slidable left and right along its length direction; the back side of the cutting table (22) is rotatably connected to the rear side of the top of the processing table (1) via a shaft; a protractor (23) is provided on the back side of the cutting table (22) and on the peripheral side of the shaft; The fixing assembly (3) comprises a mounting frame (31) arranged on the left side of the top of the processing table (1), a limit slide bar (32) is longitudinally arranged on the inner side of the mounting frame (31) and can slide forward and backward, a fixing frame (33) is arranged at the rear end of the limit slide bar (32), and a stopper (34) is arranged on the top of the processing table (1) and at the rear side of the fixing frame (33).

2. A steel pipe cutting device for steel pipe production according to claim 1, characterized in that: A rotating screw rod (35) is longitudinally rotatably arranged on the inner side of the fixing frame (33), the rear end of the rotating screw rod (35) passes through the inner side of the fixing frame (33) and extends to the back side thereof, the rear end of the rotating screw rod (35) is fixedly connected to the back side of the fixing frame (33), and a rotating handle (36) is arranged on the front end of the rotating screw rod (35).

3. The steel pipe cutting device for steel pipe production according to claim 1, characterized in that: The adjustment assembly (2) further comprises a pointing needle (24) arranged on the top of the processing table (1) and located at the rear side of the protractor (23); a fixing rod (25) is arranged on the top of the processing table (1) and located at the left side of the cutting table (22); a positioning rod (26) is vertically arranged on the inner side of the cutting table (22) and located at the inner side of the arc groove (21); and a screw rod (27) is arranged on the top of the fixing rod (25) so as to be rotatable in a transverse direction.

4. A steel pipe cutting device for steel pipe production according to claim 3, characterized in that: A connecting sleeve (28) is rotatably provided on the top of the positioning rod (26); the peripheral side surface of the screw rod (27) is slidably connected to the inner side of the connecting sleeve (28); and threaded sleeves (29) are threadedly connected to the peripheral side surface of the screw rod (27) and located on both sides of the connecting sleeve (28).

5. The steel pipe cutting device for steel pipe production according to claim 1, characterized in that: A movable plate (4) is provided on the top of the cutting table (22) so as to be able to slide forward and backward, and a cutting motor (5) is provided on the top of the movable plate (4).

6. A steel pipe cutting device for steel pipe production according to claim 5, characterized in that: A telescopic cylinder (6) for pushing the movable plate (4) to move forward and backward is arranged on the front side of the top of the cutting table (22), and the output end on the back side of the telescopic cylinder (6) is fixedly connected to the back side of the movable plate (4).

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