Fixed-length pipeline shearing device

Abstract

The fixed-length pipeline shearing device comprises a device body, frames are fixedly connected to the two ends of the center of the top of the device body, a cutting mechanism is slidably connected to the tops of the frames, sliding grooves are formed in the center of the top of the device body along the two sides, and second lead screws are installed at the two ends of each sliding groove through bearings. The two ends of the surface of the second lead screw are connected with pipeline clamping mechanisms in a sliding mode, the upper portion of the lower clamping plate is connected with an upper clamping mechanism in a sliding mode, and pipeline re-clamping mechanisms are connected into the pipeline clamping mechanisms in a sliding mode. And then the two ends of the pipeline are placed on two lower clamping plates of the pipeline clamping mechanism correspondingly, the two ends of the pipeline make contact with the pipeline clamping mechanism correspondingly, the distances between the two ends of the lower clamping plates and the cutting knife are equal, and therefore fixed-length cutting of the pipeline is achieved.

Description

Technical Field

[0001] This utility model relates to the field of shearing device technology, specifically a fixed-length pipe shearing device. Background Technology

[0002] A pipeline is a device made up of pipes, pipe fittings, valves, etc., used to transport gases, liquids, or fluids containing solid particles. Usually, the fluid is pressurized by blowers, compressors, pumps, boilers, etc., and then flows from the high-pressure point to the low-pressure point in the pipeline. It can also be transported by the fluid's own pressure or gravity. Pipelines have a wide range of uses, mainly in water supply, drainage, heating, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, hydraulic engineering, and various industrial installations.

[0003] When using pipes, they need to be cut into two shorter pipes of the same length. However, existing pipe cutting devices are generally not designed with a special structure to ensure that the two shorter pipes are cut to the same length. Operators need to operate based on experience, which leads to large errors and affects subsequent use. Utility Model Content

[0004] The purpose of this invention is to provide a fixed-length pipe shearing device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fixed-length pipe shearing device, comprising a device body, with a frame fixedly connected to both ends of the top center of the device body, a first lead screw mounted on the top of the frame via bearings, a first servo motor fixedly connected to one end of the first lead screw to the outer surface of the frame, a threaded sleeve threadedly connected to the surface of the first lead screw, the threaded sleeve slidably connected to the frame, an electric telescopic rod fixedly connected to the bottom center of the threaded sleeve, a cutting blade fixedly connected to the bottom of the electric telescopic rod, and a sliding groove formed along both sides of the top center of the device body, the two ends of the sliding groove being connected via... A bearing is fitted with a second lead screw. One end of the second lead screw is fixedly connected to a second servo motor on one side of the main body of the device. Pipe clamping mechanisms are slidably connected to both ends of the surface of the second lead screw. The pipe clamping mechanism includes a lower clamping plate threadedly connected to the surface of the second lead screw. The lower clamping plate is slidably fitted into a sliding groove. A pipe is placed between the two lower clamping plates. Anti-fall plates are fixedly connected to the top outer side of the lower clamping plates. The two anti-fall plates are in contact with both ends of the pipe. An upper clamping mechanism is slidably connected above the lower clamping plates. A sliding groove is opened at the anti-fall plate, and a pipe re-clamping mechanism is slidably connected in the sliding groove.

[0006] Preferably, the upper clamping mechanism includes two symmetrically arranged upper clamping plates connected to each other by a first connecting rod. A sliding groove block is fixedly connected to the back of the frame. A first connecting rod is slidably connected in the sliding groove of the sliding groove block. Connecting blocks are fixedly sleeved at both ends of the surface of the first connecting rod. The top of the connecting block is connected to the bottom telescopic end of the first hydraulic telescopic rod. Extension plates are fixedly connected to the top of both sides of the sliding groove block. The bottom of the extension plates is fixedly connected to the top of the first hydraulic telescopic rod.

[0007] Preferably, the upper clamping plate and the lower clamping plate at its bottom are fixedly connected by a second hydraulic telescopic rod. A linear module is provided at the front end of one of the upper clamping plates and the lower clamping plate. The sliding block of the linear module is fixedly connected to the upper clamping plate, and the bottom of the linear module is fixedly connected to the main body of the device.

[0008] Preferably, the re-clamping mechanism includes an inner clamping plate located at the top of the inner surface of the pipe, and a second connecting rod is fixedly connected to the outer surface of the inner clamping plate. The second connecting rod is fixedly connected to both ends of the threaded block and is slidably connected to the groove.

[0009] Preferably, a fixing plate is fixedly connected to the front end of the frame, and a mounting plate is fixedly connected above the fixing plate. A third lead screw is installed between the center of the fixing plate and the mounting plate through a bearing. A threaded block is threadedly connected to the surface of the third lead screw, and a third servo motor is fixedly connected to the top of the mounting plate at the top of the third lead screw.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] This utility model discloses a fixed-length pipe cutting device. The cutting blade is set at the center of the main body of the device. Then, the two ends of the pipe are placed on the two lower clamping plates of the pipe clamping mechanism, and the pipe ends are in contact with the anti-fall plate, so that the distance between the two ends of the lower clamping plate and the cutting blade is equal, thereby realizing fixed-length cutting of the pipe. Furthermore, the distance between the two lower clamping plates can be adjusted to fix pipes of different lengths, improving the practicality of this utility model.

[0012] This utility model discloses a fixed-length pipe shearing device. When the linear module is started, it will move upward along with two upper clamping plates. The operator only needs to adjust the distance of one side of the upper clamping plate to move the other side of the upper clamping plate, thus reducing the operator's workload.

[0013] This utility model discloses a fixed-length pipe cutting device, which has an inner clamping plate between the upper clamping plate and the lower clamping plate. The inner clamping plate can clamp and fix the inside of the pipe. When the pipe is subjected to a downward force generated by the cutting blade, the inner clamping plate will apply an upward force to the pipe, supporting the pipe and preventing the pipe from being affected by insufficient support during the cutting process. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of a fixed-length pipe shearing device according to the present invention;

[0015] Figure 2 This is a schematic diagram of the pipe clamping mechanism of this utility model;

[0016] Figure 3 This is a schematic diagram of the pipe re-clamping mechanism of this utility model.

[0017] In the diagram: 1. Main body of the device; 2. Frame; 3. Sliding groove block; 4. Extension plate; 5. First hydraulic telescopic rod; 6. First connecting rod; 7. First servo motor; 8. First lead screw; 9. Threaded sleeve; 10. Electric telescopic rod; 11. Cutting blade; 12. Second servo motor; 13. Sliding groove; 14. Second lead screw; 15. Second connecting rod; 16. Sliding groove; 17. Mounting plate; 18. Third servo motor; 19. Third lead screw; 20. Fixing plate; 21. Threaded block; 22. Upper clamping plate; 23. Anti-fall plate; 24. Second hydraulic telescopic rod; 25. Linear module; 26. Connecting block; 27. Inner clamping plate; 28. Lower clamping plate. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In the description of this utility model, it should be noted that the terms "vertical", "up", "down", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0020] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] Please see Figure 1-3 This utility model provides a technical solution: a fixed-length pipe shearing device, including a device body 1. A frame 2 is fixedly connected to both ends of the top center of the device body 1. A first lead screw 8 is mounted on the top of the frame 2 via bearings. A first servo motor 7 is fixedly connected to one end of the first lead screw 8 to the outer surface of the frame 2. A threaded sleeve 9 is threadedly connected to the surface of the first lead screw 8 and slidably connected to the frame 2. An electric telescopic rod 10 is fixedly connected to the bottom center of the threaded sleeve 9, and a cutting blade 11 is fixedly connected to the bottom of the electric telescopic rod 10. A sliding groove 13 is formed along both sides of the top center of the device body 1. A second lead screw 14 is mounted to both ends of the sliding groove 13 via bearings. A second servo motor 12 is fixedly connected to one end of the second lead screw 14 to one side of the device body 1. A pipe clamping mechanism is slidably connected to both ends of the surface of the second lead screw 14. The pipe clamping mechanism includes a lower clamping plate 28 threadedly connected to the surface of the second lead screw 14. An annular groove is formed on the top of the lower clamping plate 28. Rubber blocks are attached to the device to support pipes of different diameters using their elasticity, improving the practicality of this invention. Lower clamping plates 28 are slidably fitted into sliding grooves 13, with the pipe placed between the two lower clamping plates 28. Anti-fall plates 23 are fixedly connected to the top outer side of the lower clamping plates 28, with each anti-fall plate 23 contacting both ends of the pipe. An upper clamping mechanism is slidably connected above the lower clamping plates 28. A sliding groove 16 is provided at the anti-fall plate 23, and a pipe clamping mechanism is slidably connected within the groove 16. In this invention, the cutting blade 11 is positioned at the center of the main body 1. The two ends of the pipe are then placed on the two lower clamping plates 28 of the pipe clamping mechanism, with the pipe ends contacting the anti-fall plates 23. This ensures that the distance between the two ends of the lower clamping plates 28 and the cutting blade is equal, enabling fixed-length pipe cutting. Furthermore, the lateral distance between the two lower clamping plates 28 can be adjusted to fix pipes of different lengths, further improving the practicality of this invention.

[0022] Please see Figure 2This utility model provides a new embodiment in which the upper clamping mechanism includes two symmetrically arranged upper clamping plates 22. The structure of the upper clamping plates 22 is the same as that of the lower clamping plate 28. The upper clamping plates 22 are connected to each other by a first connecting rod 6. A sliding groove block 3 is fixedly connected to the back of the frame 2. The first connecting rod 6 is slidably connected in the sliding groove of the sliding groove block 3. Connecting blocks 26 are fixedly sleeved at both ends of the surface of the first connecting rod 6. The top of the connecting blocks 26 is connected to the bottom telescopic end of the first hydraulic telescopic rod 5. Extension plates 4 are fixedly connected to the top of both sides of the sliding groove block 3. The bottom of the extension plates 4 is connected to the bottom of the first hydraulic telescopic rod 5. The top of the telescopic rod 5 is fixedly connected, and the upper clamping plate 22 and its bottom lower clamping plate 28 are fixedly connected by a second hydraulic telescopic rod 24. A linear module 25 is provided at the front end of one of the upper clamping plates 22 and the lower clamping plate 28. The sliding block of the linear module 25 is fixedly connected to the upper clamping plate 22. The bottom of the linear module 25 is fixedly connected to the main body 1 of the device. When the linear module 25 is started, it will move the two upper clamping plates 22 upward together. The operator only needs to adjust the distance of one side of the upper clamping plate 22 to move the other side of the upper clamping plate 22, reducing the operator's operating intensity.

[0023] Please see Figure 3 This utility model provides a new embodiment in which the clamping mechanism includes an inner clamping plate 27 located at the top of the inner surface of the pipe. A rubber block is provided on the top of the inner clamping plate 27, which allows it to fit the inside of pipes of different diameters, improving the practicality of this utility model. A second connecting rod 15 is fixedly connected to the outer surface of the inner clamping plate 27. The second connecting rod 15 is fixedly connected to both ends of the threaded block 21. The second connecting rod 15 is slidably connected to the slide groove 16. The inner clamping plate 27 is provided between the upper clamping plate 22 and the lower clamping plate 28, which can clamp and fix the inside of the pipe. When the pipe is subjected to a downward force generated by the cutting blade 11, the inner clamping plate 27 will apply an upward force to the pipe, supporting the pipe and preventing the pipe from being cut due to insufficient support during the cutting process.

[0024] Furthermore, a fixing plate 20 is fixedly connected to the front end of the frame 2, and a mounting plate 17 is fixedly connected above the fixing plate 20. A third lead screw 19 is installed between the center of the fixing plate 20 and the mounting plate 17 via a bearing. A threaded block 21 is threadedly connected to the surface of the third lead screw 19. A third servo motor 18 is fixedly connected to the top of the mounting plate 17. By starting the third servo motor 18, the position of the threaded block 21 is adjusted, thereby adjusting the position of the inner clamping plate 27, so that it can be used for pipes of different diameters.

[0025] It should be noted that, because the lateral distance between the diameters of the two lower clamping plates 28 needs to be adjusted under different usage conditions, the corners at both ends of the first connecting rod 6 are corrugated pipes, so that they can be appropriately extended and stretched by the movement of the lower clamping plates 28.

[0026] Working principle: In use, first start the linear module 25 to move the upper clamping mechanism to the top, and then place the pipe on the lower clamping plate 28. When placing the pipe, the second servo motor 12 can be started appropriately. The second servo motor 12 will cause the second lead screw 14 to rotate. Since the second lead screw 14 is a bidirectional threaded rod with different rotation directions of the threads on the surface of the threaded rod, it can make the two lower clamping plates 28 move towards the middle at the same time. When the two ends of the pipe contact the anti-fall plate 23 respectively, the second servo motor 12 is turned off, and the linear module 25 is started at the same time to cover the pipe with the upper clamping plate 22 to support the pipe. During the downward movement of the two upper clamping plates 22, the first connecting rod 6 will slide downward in the sliding groove of the sliding groove block 3, and at the same time, the first hydraulic telescopic rod 5 will be stretched to make the sliding more stable.

[0027] Then the third servo motor 18 can be started. The rotation of the third servo motor 18 will cause the third lead screw 19 to rotate. The rotation of the third lead screw 19 will cause the threaded block 21 to move upward. The upward movement of the threaded block 21 will cause the second connecting rods 15 on both sides to move upward, and will cause the second connecting rods 15 to slide upward in the slide groove 16. When the top of the inner clamping plate 27 contacts the top of the inner wall of the pipe, the third servo motor 18 is turned off.

[0028] Finally, the first servo motor 7 and the electric telescopic rod 10 are started to cut the pipe. Since the cutting blade 11 is set at the center of the main body 1 of the device, the two ends of the pipe are in contact with the anti-fall plate 23 respectively. When the cutting blade 11 cuts through the middle of the pipe, the two cut pipes will be of fixed length. This method of cutting the pipe to a fixed length is relatively simple and convenient to use.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fixed-length pipe cutting device comprising a device body (1), characterised in that: The top center of the device body (1) is fixedly connected with a frame (2), the top of the frame (2) is provided with a first lead screw (8) through a bearing, one end of the first lead screw (8) is fixedly connected with a first servo motor (7) on the outer surface of the frame (2), the surface of the first lead screw (8) is threadedly connected with a threaded sleeve (9), the threaded sleeve (9) is slidably connected on the frame (2), the bottom center of the threaded sleeve (9) is fixedly connected with an electric telescopic rod (10), the bottom of the electric telescopic rod (10) is fixedly connected with a cutting knife (11), the top center of the device body (1) is provided with a sliding groove (13) along the two sides, the two ends of the sliding groove (13) are provided with a second lead screw (14) through a bearing, one end of the second lead screw (14) is fixedly connected with a second servo motor (12) on one side of the device body (1), the surface of the second lead screw (14) is slidably connected with a pipe clamping mechanism, the pipe clamping mechanism comprises a lower clamping plate (28) threadedly connected on the surface of the second lead screw (14), the lower clamping plate (28) is embeddedly and slidably connected in the sliding groove (13), a pipe is placed between the two lower clamping plates (28), the top outer side of the lower clamping plate (28) is fixedly connected with a falling prevention plate (23), the two falling prevention plates (23) are respectively in contact with the two ends of the pipe, the upper clamping mechanism is slidably connected above the lower clamping plate (28), the falling prevention plate (23) is provided with a sliding groove (16), and the pipe clamping mechanism is slidably connected in the sliding groove (16).

2. A fixed-length tubing shearing apparatus as defined in claim 1, wherein: The upper clamping mechanism comprises two symmetrical upper clamping plates (22), the upper clamping plates (22) are connected through a first connecting rod (6), the back of the frame (2) is fixedly connected with a sliding groove block (3), the sliding groove of the sliding groove block (3) is slidably connected with the first connecting rod (6), the surface of the first connecting rod (6) is fixedly sleeved with a connecting block (26) at both ends, the top of the connecting block (26) is connected with the bottom telescopic end of a first hydraulic telescopic rod (5), the top of the sliding groove block (3) is fixedly connected with an extension plate (4), and the bottom of the extension plate (4) is fixedly connected with the top of the first hydraulic telescopic rod (5).

3. A fixed-length tubing shearing apparatus as defined in claim 2, wherein: The upper clamping plate (22) and the lower clamping plate (28) below it are fixedly connected through a second hydraulic telescopic rod (24), and the front ends of one of the upper clamping plate (22) and the lower clamping plate (28) are provided with a linear module (25), the sliding block of the linear module (25) is fixedly connected with the upper clamping plate (22), and the bottom of the linear module (25) is fixedly connected on the device body (1).

4. A fixed-length tubing shearing apparatus as defined in claim 1, wherein: The re-clamping mechanism comprises an inner clamping plate (27) on the top of the inner surface of the pipe, the outer surface of the inner clamping plate (27) is fixedly connected with a second connecting rod (15), the second connecting rod (15) is fixedly connected to the two ends of a threaded block (21) respectively, and the second connecting rod (15) is slidably connected at the sliding groove (16).

5. A fixed-length tubing shearing apparatus as defined in claim 4, wherein: The front end of the frame (2) is fixedly connected with a fixed plate (20), the upper side of the fixed plate (20) is fixedly connected with a mounting plate (17), a third lead screw (19) is installed between the center of the fixed plate (20) and the mounting plate (17) through a bearing, a threaded block (21) is screw-connected to the surface of the third lead screw (19), and a third servo motor (18) is fixedly connected to the top of the third lead screw (19) and the top of the mounting plate (17).

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