Seamless steel tube cutting device

Abstract

The utility model discloses a seamless steel tube cutting device, which relates to the technical field of seamless steel tubes and comprises a cutting box and a fixing cylinder. The fixing cylinder is fixedly installed in the cutting box, a rotating sleeve is rotatably installed on the fixing cylinder, a plurality of spiral pieces are annularly arrayed on the rotating sleeve, arc-shaped sliding openings are formed in the spiral pieces, sliding rods are slidably installed in the arc-shaped sliding openings, a plurality of fixing rods are annularly arrayed on the fixing cylinder, and the fixing rods are slidably installed in the arc-shaped sliding openings. The multiple fixing rods are each provided with a straight sliding opening, the other ends of the multiple sliding rods are slidably installed in the multiple straight sliding openings and fixedly provided with a clamping plate through connecting rods, and the clamping plate is slidably installed in an opening formed in the fixing cylinder. The technical problems that seamless steel pipes of different sizes are inconvenient to clamp and fix, potential safety hazards exist, and the cutting efficiency is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipes, in particular to a seamless steel pipe cutting device. Background Art

[0002] Seamless steel pipe is a steel pipe made of a whole piece of metal with no seams on the surface. Seamless steel pipe is mainly used as petroleum geological drilling pipe, cracking pipe for petrochemical industry, boiler pipe, bearing pipe and high-precision structural steel pipe for automobile, tractor and aviation, and is widely used in manufacturing structural parts and mechanical parts.

[0003] However, the clamps in the existing seamless steel pipe cutting devices are not convenient for tightening and fixing seamless steel pipes of different sizes, which increases the risk of work during cutting. In addition, when the seamless steel pipe is cut multiple times, the position of the seamless steel pipe needs to be manually adjusted after each cut, which poses a safety hazard and has a low cutting efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a seamless steel pipe cutting device, which solves the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a seamless steel pipe cutting device, including a cutting box and a fixed cylinder; the fixed cylinder is fixedly installed in the cutting box, and a rotating sleeve is rotatably installed on the fixed cylinder, a plurality of spiral sheets are arranged in an annular array on the rotating sleeve, and arc-shaped sliding openings are provided on the plurality of spiral sheets, and sliding rods are slidably installed in the arc-shaped sliding openings, a plurality of fixing rods are arranged in an annular array on the fixed cylinder, a plurality of fixing rods are arranged in straight sliding openings, the other ends of the plurality of sliding rods are slidably installed in the plurality of straight sliding openings and are fixedly installed with a splint through a connecting rod, and the splint is slidably installed in the opening opened on the fixed cylinder; an opening is provided on one side wall of the cutting box, and two pairs of lifting frames are movably installed on the two side walls located in the opening, respectively, and conveying rollers are rotatably installed on the two pairs of lifting frames, and a first motor that drives one of the conveying rollers to rotate is fixedly installed on the lifting frame located at the bottom.

[0006] Preferably, a second motor is fixedly mounted on the fixed cylinder, a gear is fixedly mounted on the driving end of the second motor, an external thread is provided on one side of the rotating sleeve, and the gear is meshed with the external thread.

[0007] Preferably, a cylinder is fixedly mounted on the top of the cutting box, and a cutting knife assembly is fixedly mounted on the telescopic end of the cylinder.

[0008] Preferably, a storage box is fixedly installed in the cutting box below the cutting knife assembly.

[0009] Preferably, a cutting groove matching the cutting knife is provided on the storage box.

[0010] Preferably, a box door is provided on the side wall of the cutting box opposite to the opening.

[0011] Beneficial Effects

[0012] The utility model provides a seamless steel pipe cutting device, which has the following beneficial effects:

[0013] 1. By installing a fixed cylinder, it is convenient to install the seamless steel pipe clamping assembly. By installing a rotating sleeve, the rotation of the rotating sleeve can drive the spiral piece to rotate, thereby driving the slide bar to slide in the arc sliding mouth and the straight sliding mouth, and then driving the clamping plate to move, so that seamless steel pipes of different sizes can be clamped and fixed;

[0014] 2. By installing a lifting frame, the distance between a pair of conveying rollers can be adjusted by adjusting the position of the lifting frame, so seamless steel pipes of different sizes can be conveyed. By installing a first motor, the conveying roller below can be driven to rotate, and the friction between the conveying roller and the seamless steel pipe to be cut can drive the seamless steel pipe to move. At the same time, the conveying roller above the opening also rotates together, so that the friction between the two conveying rollers and the seamless steel pipe can facilitate the movement of the position of the seamless steel pipe during the cutting process. Therefore, there is no need for manual movement, which can effectively improve the safety of cutting steel pipes and can greatly improve the efficiency of cutting seamless steel pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0016] Figure 2 It is a side view of the utility model;

[0017] Figure 3 for Figure 1 A magnified schematic diagram of B;

[0018] Figure 4 for Figure 1 Sectional view of AA.

[0019] In the figure: 1, cutting box; 2, fixed cylinder; 3, rotating sleeve; 4, spiral blade; 5, arc-shaped slide; 6, fixed rod; 7, straight slide; 8, sliding rod; 9, clamping plate; 10, opening; 11, lifting frame; 12, conveying roller; 13, first motor; 14, second motor; 15, gear; 16, connecting rod; 17, cylinder; 18, cutting knife assembly; 19, storage box; 20, cutting groove; 21, box door. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention, wherein the directional nouns such as "upper", "lower", etc. mentioned in this document are as follows: Figure 1 The orientation is used as a reference.

[0021] See also Figure 1-4 The utility model provides a technical solution: a seamless steel pipe cutting device, including a cutting box 1, and also including a fixed cylinder 2; the fixed cylinder 2 is fixedly installed in the cutting box 1, a rotating sleeve 3 is rotatably installed on the fixed cylinder 2, a plurality of spiral sheets 4 are arranged in an annular array on the rotating sleeve 3, arc-shaped sliding openings 5 ​​are opened on the plurality of spiral sheets 4, and sliding rods 8 are slidably installed in the arc-shaped sliding openings 5, a plurality of fixed rods 6 are arranged in an annular array on the fixed cylinder 2, straight sliding openings 7 are opened on the plurality of fixed rods 6, and the other ends of the plurality of sliding rods 8 are slidably installed on the plurality of straight sliding openings 7 A clamping plate 9 is fixedly installed inside and through a connecting rod 16, and the clamping plate 9 is slidably installed in an opening 10 opened on the fixed cylinder 2; an opening 10 is opened on one side wall of the cutting box 1, and two pairs of lifting frames 11 are movably installed on the two side walls located in the opening 10, and a fastening nut for fixing the position of the lifting frame 11 is provided on the cutting box 1 located at the lifting frame 11, and conveying rollers 12 are rotatably installed on the two pairs of lifting frames 11, and a first motor 13 that drives one conveying roller 12 to rotate is fixedly installed on the lifting frame 11 located at the bottom.

[0022] In this embodiment, a fixing cylinder 2 is installed to facilitate the installation of a seamless steel pipe clamping assembly. A rotating sleeve 3 is installed, and the rotation of the rotating sleeve 3 can drive the spiral piece 4 to rotate, thereby driving the slide bar 8 to slide in the arc-shaped sliding mouth 5 and the straight sliding mouth 7, and then driving the clamping plate 9 to move, so that seamless steel pipes of different sizes can be clamped and fixed. A fastening nut is installed, and the height of the lifting frame 11 can be adjusted by loosening the fastening nut, and the position of the lifting frame can be fixed by tightening the fastening nut. The lifting frame 11 is installed, and the position of the lifting frame 11 can be adjusted to adjust the position of a pair of conveying rollers 12. The distance between them is large, so seamless steel pipes of different sizes can be transported. The first motor 13 can drive the conveying roller 12 below to rotate, and the friction between the conveying roller 12 and the seamless steel pipe to be cut can drive the seamless steel pipe to move. At the same time, the conveying roller 12 above the opening 10 also rotates together, so that the friction between the two conveying rollers 12 and the seamless steel pipe can facilitate the movement of the position of the seamless steel pipe during the cutting process. Therefore, there is no need for manual movement, which can effectively improve the safety of cutting steel pipes and greatly improve the efficiency of cutting seamless steel pipes.

[0023] As an embodiment of the utility model, a second motor 14 is fixedly mounted on the fixed cylinder 2, a gear 15 is fixedly mounted on the driving end of the second motor 14, an external thread is provided on one side of the rotating sleeve 3, and the gear 15 meshes with the external thread.

[0024] In this embodiment, by installing the second motor 14 , starting the second motor 14 can drive the gear 15 to rotate, and the gear 15 can be meshed with the external thread on the rotating sleeve 3 to drive the rotating sleeve 3 to rotate.

[0025] As an embodiment of the utility model, a cylinder 17 is fixedly installed on the top of the cutting box 1, and a cutting knife assembly 18 is fixedly installed on the telescopic end of the cylinder 17.

[0026] In this embodiment, by installing a cylinder 17, the cutting knife assembly 18 can be driven to rise and fall, and the height of the cutting knife can be adjusted to facilitate cutting seamless steel pipes of different sizes.

[0027] As an embodiment of the present invention, a storage box 19 is fixedly installed in the cutting box 1 below the cutting blade assembly 18 .

[0028] In this embodiment, a storage box 19 is installed to collect the cut seamless steel pipes.

[0029] As an embodiment of the present invention, a cutting groove 20 matching with a cutting knife is provided on the storage box 19 .

[0030] As an embodiment of the present invention, a box door 21 is provided on the side wall of the cutting box 1 opposite to the opening 10 .

[0031] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control.

[0032] The working principle and use process of the utility model are as follows: when in use, the seamless steel pipe is placed into the fixed cylinder 2 through the opening 10 on one side of the cutting box 1, and the seamless steel pipe is placed between a pair of conveying rollers 12, and the first motor 13 is started to drive the lower conveying roller 12 to rotate, thereby driving the seamless steel pipe to move. At this time, the upper conveying roller 12 rotates together, and the seamless steel pipe can be conveyed by the rotation of the pair of conveying rollers 12. When the seamless steel pipe moves to a position suitable for cutting, the second motor 14 is started to drive the gear 15 to rotate, and the gear 15 is meshed with the rotating sleeve 3 to drive the seamless steel pipe to move. The rotating sleeve 3 rotates to drive the spiral piece 4 to rotate, thereby driving the slide bar 8 to slide in the arc-shaped slide mouth 5. Since the fixed rod 6 is fixed, the slide bar 8 slides in the arc-shaped slide mouth 5 and also slides in the straight slide mouth 7, thereby driving the clamping plate 9 to move until the seamless steel pipe is clamped and fixed. The cylinder 17 is started to drive the cutting machine assembly to descend, and the cutting motor in the cutting machine assembly is started to drive the cutting head to rotate to cut the steel pipe. The cut steel pipe falls directly into the storage box 19 for storage. When the storage box 19 is full of steel pipes, the box door 21 can be opened to take out the steel pipe.

[0033] 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 seamless steel pipe cutting device, comprising a cutting box (1), characterized in that: The invention also comprises a fixed cylinder (2); the fixed cylinder (2) is fixedly installed in the cutting box (1); a rotating sleeve (3) is rotatably installed on the fixed cylinder (2); a plurality of spiral plates (4) are arranged in an annular array on the rotating sleeve (3); arc-shaped sliding openings (5) are provided on the plurality of spiral plates (4); sliding rods (8) are slidably installed in the arc-shaped sliding openings (5); a plurality of fixed rods (6) are arranged in an annular array on the fixed cylinder (2); a plurality of fixed rods (6) are provided with straight sliding openings (7); the other ends of the plurality of sliding rods (8) are slidably installed on the plurality of A clamping plate (9) is fixedly installed in the straight sliding opening (7) through a connecting rod (16), and the clamping plate (9) is slidably installed in an opening opened on the fixed cylinder (2); an opening (10) is opened on one side wall of the cutting box (1), and two pairs of lifting frames (11) are movably installed on the two side walls located in the opening (10), and conveying rollers (12) are rotatably installed on the two pairs of lifting frames (11), and a first motor (13) for driving one of the conveying rollers (12) to rotate is fixedly installed on the lifting frame (11) located at the bottom.

2. A seamless steel pipe cutting device according to claim 1, characterized in that: A second motor (14) is fixedly mounted on the fixed cylinder (2), a gear (15) is fixedly mounted on the driving end of the second motor (14), an external thread is provided on one side of the rotating sleeve (3), and the gear (15) meshes with the external thread.

3. The seamless steel pipe cutting device according to claim 1, characterized in that: A cylinder (17) is fixedly mounted on the top of the cutting box (1), and a cutting knife assembly (18) is fixedly mounted on the telescopic end of the cylinder (17).

4. A seamless steel pipe cutting device according to claim 3, characterized in that: A storage box (19) is fixedly installed in the cutting box (1) below the cutting blade assembly (18).

5. A seamless steel pipe cutting device according to claim 4, characterized in that: The storage box (19) is provided with a cutting groove (20) matching the cutting knife.

6. The seamless steel pipe cutting device according to claim 1, characterized in that: A box door (21) is provided on the side wall of the cutting box (1) opposite to the opening (10).

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