Cutting device for large-pipe-diameter seamless pipe

Abstract

The utility model discloses a cutting device for a seamless pipe with a large pipe diameter, which comprises an object placing table and a cutting mechanism located on the object placing table, a plurality of conveying grooves which are distributed at equal intervals and used for conveying the seamless pipe are formed on the object placing table, an inverted-U-shaped supporting arm is welded on the object placing table, a first motor is horizontally arranged on the supporting arm, and a second motor is arranged on the first motor. A top groove is formed in the bottom wall of the supporting arm, an output shaft of the first motor is coaxially connected with an inner screw rod, the inner screw rod is sleeved with a sliding arm in a threaded mode, a mounting plate is welded to the bottom wall of the sliding arm, and the cutting mechanism comprises a second motor mounted on one side wall of the mounting plate and a cutting knife coaxially connected with an output shaft of the second motor. A steering shaft is installed on the bottom wall of the storage table and located below the supporting arm, and the storage table is connected with an output plate through the steering shaft. According to the cutting device for the large-pipe-diameter seamless pipes, the cut-off parts of the multiple seamless pipes can automatically slide off, and falling and damage of the seamless pipes are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of seamless pipe cutting, in particular to a seamless pipe cutting device for large-diameter pipes. Background Art

[0002] Seamless pipe is a long steel strip with a hollow cross-section and no seams around it. Its characteristics are: the thicker the wall of the seamless pipe, the more economical and practical it is, and the thinner the wall, the greater the processing cost. Secondly, the process of the product determines its limited performance. Generally, seamless steel pipes have low precision: uneven wall thickness, low brightness on the inner and outer surfaces of the pipe, high cost of cutting, and pitting and black spots on the inner and outer surfaces that are difficult to remove. Thirdly, its inspection and shaping must be processed offline.

[0003] In the process of realizing the utility model, the inventor found that there are at least the following problems in the technology: in the process of processing seamless pipes, one of the important processes is cutting them. Most of the current cutting devices, after cutting the seamless pipes, the cut-off parts of the seamless pipes fall directly on a platform, causing the cut-off parts of the seamless pipes to suffer serious damage and also causing damage to the platform.

[0004] Therefore, we propose a seamless pipe cutting device for large diameter pipes to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a seamless pipe cutting device for large diameter pipes, which can make the cut parts of multiple seamless pipes slide automatically, avoid the seamless pipes from falling and being damaged, and effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A seamless pipe cutting device for large diameter pipes, comprising a storage table and a cutting mechanism located on the storage table, wherein a plurality of equally spaced conveying grooves for conveying seamless pipes are formed on the storage table, and an inverted U-shaped support arm is welded on the storage table, wherein a first motor is horizontally mounted on the support arm, a top groove is formed on the bottom wall of the support arm, an internal screw is coaxially connected to the output shaft of the first motor, a sliding arm is threadedly sleeved on the internal screw, a mounting plate is welded on the bottom wall of the sliding arm, and the cutting mechanism comprises a second motor mounted on a side wall of the mounting plate and a cutting knife coaxially connected to the output shaft of the second motor;

[0008] A steering shaft is installed on the bottom wall of the storage table below the support arm, and the storage table is connected to an output plate through the steering shaft. An extension seat is welded on one side of the bottom wall of the storage table close to the output plate, an electric telescopic rod is provided between the extension seat and the output plate, connecting shafts are installed at both ends of the electric telescopic rod, and the electric telescopic rod is respectively connected to the output plate and the extension seat through two connecting shafts.

[0009] As a preferred embodiment, a plurality of equally spaced sliding grooves are formed on the output plate, and the plurality of sliding grooves correspond to the plurality of conveying grooves respectively; the plurality of sliding grooves are used to output the seamless pipes cut in the plurality of conveying grooves respectively.

[0010] As a preferred embodiment, the inner screw is horizontally arranged in the top groove, and both ends of the inner screw are rotatably connected to the support arm; so that the inner screw can operate stably under the drive of the first motor.

[0011] As a preferred embodiment, the sliding arm is slidably sleeved on the outer side of the supporting arm and fits against the side wall of the supporting arm, so that the sliding arm can be driven to translate when the inner screw is running.

[0012] As a preferred embodiment, the second motor and the cutting knife are respectively located on both sides of the mounting plate, and the cutting knife is located directly below the sliding arm; this makes the cutting knife more stable when performing cutting work and moving under the supporting arm.

[0013] As a preferred embodiment, a slit is provided on the storage table and the support arm; the slit is used to allow the cutting knife to pass through smoothly.

[0014] In summary, the technical effects and advantages of the utility model are as follows:

[0015] The large-diameter seamless pipe cutting device transports a plurality of seamless pipes to a designated cutting position, and the operation of a first motor drives a highly rotating cutting knife to translate. After cutting the plurality of seamless pipes, an electric telescopic rod contracts, and an output plate rotates along with a steering shaft, so that the cut portions of the plurality of seamless pipes can automatically slide off, thereby avoiding the seamless pipes from falling off and being damaged, and thus completing the automatic output of the seamless pipes. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 A vertical cross-sectional view of one side of the utility model;

[0018] Figure 3 It is a vertical cross-sectional view of the other side of the utility model.

[0019] In the figure: 1. storage table; 2. conveying trough; 3. support arm; 4. first motor; 5. top trough; 6. inner screw; 7. sliding arm; 8. mounting plate; 9. second motor; 10. cutting knife; 11. steering shaft; 12. output plate; 13. sliding trough; 14. extension seat; 15. electric telescopic rod; 16. connecting shaft; 17. cutting slit. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 3 , a seamless pipe cutting device for large diameter pipes, comprising a storage table 1 and a cutting mechanism located on the storage table 1, a plurality of equally spaced conveying grooves 2 for conveying seamless pipes are formed on the storage table 1, and an inverted U-shaped support arm 3 is welded on the storage table 1, wherein a first motor 4 is horizontally mounted on the support arm 3, a top groove 5 is formed on the bottom wall of the support arm 3, an inner screw 6 is coaxially connected to the output shaft of the first motor 4, the inner screw 6 is horizontally arranged in the top groove 5, and both ends of the inner screw 6 are rotatably connected to the support arm 3, so that the inner screw 6 can stably operate under the drive of the first motor 4, a sliding arm 7 is threadedly sleeved on the inner screw 6, and the sliding arm 7 is slidably sleeved on the outer side of the support arm 3 and fits with the side wall of the support arm 3, so that the inner screw 6 can drive the sliding arm 7 to translate when it operates;

[0022] A mounting plate 8 is welded to the bottom wall of the sliding arm 7, and the cutting mechanism includes a second motor 9 mounted on one side wall of the mounting plate 8 and a cutting knife 10 coaxially connected to the output shaft of the second motor 9. The second motor 9 and the cutting knife 10 are respectively located on both sides of the mounting plate 8. The cutting knife 10 is located directly below the sliding arm 7, so that the cutting knife 10 is more stable when performing cutting work and moving under the support arm 3. A slit 17 is opened on the storage table 1 and the support arm 3, and the slit 17 is used to allow the cutting knife 10 to pass smoothly;

[0023] A steering shaft 11 is installed on the bottom wall of the storage table 1 below the support arm 3, and the storage table 1 is connected to an output plate 12 through the steering shaft 11, and a plurality of equally spaced sliding grooves 13 are formed on the output plate 12, and the plurality of sliding grooves 13 respectively correspond to the plurality of conveying grooves 2, and the plurality of sliding grooves 13 are respectively used to output the seamless pipes cut in the plurality of conveying grooves 2, and an extension seat 14 is welded on one side of the bottom wall of the storage table 1 close to the output plate 12, and an electric telescopic rod 15 is provided between the extension seat 14 and the output plate 12, and connecting shafts 16 are installed at both ends of the electric telescopic rod 15, and the electric telescopic rod 15 is respectively connected to the output plate 12 and the extension seat 14 through two connecting shafts 16.

[0024] The seamless pipe cutting device for large pipe diameter: when working, firstly, a plurality of seamless pipes to be cut are respectively inputted from a plurality of conveying grooves 2 on the side facing away from the support arm 3, so that the plurality of seamless pipes are horizontally moved in the plurality of conveying grooves 2, and the portion to be cut of the seamless pipe is moved into the slit 17 (at this time, the cutting knife 10 is directly below the first motor 4), the second motor 9 is driven to drive the cutting knife 10 to run at a high speed, and then the first motor 4 is driven to drive the inner screw 6 to run, so that the sliding arm 7 moves along with the support arm 3 and drives the cutting knife 10 to move horizontally, so that the plurality of seamless pipes can be cut (the cut parts fall into the sliding groove 13), after cutting, the cutting knife 10 returns to its original position (the output plate 12 is in a horizontal state), at this time, the electric telescopic rod 15 is driven to contract and drive the output plate 12 to rotate along the steering shaft 11, so that the output plate 12 sinks on the side facing away from the support arm 3, so that the cut parts of the seamless pipes automatically slide down from the plurality of sliding grooves 13; then the output plate 12 is returned to its original position (horizontal filling), and the subsequent seamless pipe cutting work can be carried out.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A large diameter seamless pipe cutting device, comprising a storage platform (1) and a cutting mechanism located on the storage platform (1), characterized in that: The storage platform (1) is formed with a plurality of equally spaced conveying grooves (2) for conveying seamless pipes, and an inverted U-shaped support arm (3) is welded to the storage platform (1), wherein a first motor (4) is horizontally mounted on the support arm (3), a top groove (5) is formed on the bottom wall of the support arm (3), an output shaft of the first motor (4) is coaxially connected to an inner screw (6), a sliding arm (7) is threadedly sleeved on the inner screw (6), a mounting plate (8) is welded to the bottom wall of the sliding arm (7), and a cutting mechanism comprises a second motor (9) mounted on a side wall of the mounting plate (8) and a cutting knife (10) coaxially connected to the output shaft of the second motor (9); A steering shaft (11) is installed on the bottom wall of the storage platform (1) below the support arm (3), and the storage platform (1) is connected to an output plate (12) via the steering shaft (11); an extension seat (14) is welded to one side of the bottom wall of the storage platform (1) close to the output plate (12); an electric telescopic rod (15) is provided between the extension seat (14) and the output plate (12); connecting shafts (16) are installed at both ends of the electric telescopic rod (15), and the electric telescopic rod (15) is respectively connected to the output plate (12) and the extension seat (14) via two connecting shafts (16).

2. A large diameter seamless pipe cutting device according to claim 1, characterized in that: A plurality of sliding grooves (13) distributed at equal intervals are formed on the output plate (12), and the plurality of sliding grooves (13) respectively correspond to the plurality of conveying grooves (2).

3. A large diameter seamless pipe cutting device according to claim 1, characterized in that: The inner screw rod (6) is horizontally arranged in the top groove (5), and both ends of the inner screw rod (6) are rotatably connected to the support arm (3).

4. A large diameter seamless pipe cutting device according to claim 1, characterized in that: The sliding arm (7) is slidably sleeved on the outer side of the support arm (3) and fits with the side wall of the support arm (3).

5. The large diameter seamless pipe cutting device according to claim 1, characterized in that: The second motor (9) and the cutting knife (10) are respectively located on two sides of the mounting plate (8), and the cutting knife (10) is located directly below the sliding arm (7).

6. A large diameter seamless pipe cutting device according to claim 1, characterized in that: A slit (17) is provided on the storage platform (1) and the support arm (3).

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