Pneumatic conveying automatic unblocking system

By introducing a clearing mechanism into the pneumatic conveying system, the material is dispersed with the L-shaped plate and the rotating rod driven by the motor, the problem of material sedimentation and blockage is solved, automatic cleaning and prevention of blockage is achieved, and convenient disassembly and repair is supported.

CN223239138UActive Publication Date: 2025-08-19NANJING ACCESS TECH
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Patent Information

Application Number
CN202422232162.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-08-19
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

The existing pneumatic conveying system cannot effectively avoid blockage caused by material precipitation during material transportation, especially in bends.

Method used

An automatic pneumatic conveying cleaning system is designed. By setting up a cleaning mechanism on the conveying pipe, including an L-shaped plate, a rotating rod and a curved rod driven by a motor, it is used to disperse the material during material transportation, reduce deposition and blockage, and facilitate disassembly and repair by disassembling the components.

Benefits of technology

Effectively prevent material deposition and blockage in bends, realize automatic cleaning and prevent blockage, and facilitate disassembly and repair of conveyor pipes, extending the service life of the equipment.

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Abstract

The utility model discloses a pneumatic conveying automatic unblocking system which comprises a conveying pipe, the conveying pipe is provided with an unblocking mechanism used for unblocking, the unblocking mechanism comprises an unblocking assembly which is arranged on the conveying pipe and used for unblocking the conveying pipe, the unblocking assembly comprises a pair of L-shaped plates, the L-shaped plates are fixedly connected to the conveying pipe, and the L-shaped plates are arranged on the conveying pipe. A pair of L-shaped plates is arranged on the conveying pipe, a motor is arranged on the L-shaped plates, a rotating rod is arranged at the output end of the motor, one end of the rotating rod penetrates through the pair of L-shaped plates and the conveying pipe and is rotatably connected to the pair of L-shaped plates and the conveying pipe, a group of arc-shaped rods are fixedly connected to the rotating rod, and the group of arc-shaped rods are located in the conveying pipe. According to the blockage clearing system, the problems that in the prior art, although blockage materials can be cleared, material conveying cannot be assisted during normal conveying, and blockage caused by material precipitation cannot be avoided are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of air flow conveying, in particular to an automatic blockage clearing system for pneumatic conveying. Background Art

[0002] Pneumatic conveying, also known as airflow conveying, utilizes the energy of airflow to transport granular materials along the airflow within a closed pipeline. It is a specific application of fluidization technology. Pneumatic conveying devices have a simple structure and are easy to operate. They can convey materials horizontally, vertically, or at an angle. During the conveying process, they can also perform physical operations such as heating, cooling, drying, and airflow classification, as well as certain chemical operations. The main characteristics of pneumatic conveying systems are large conveying volumes, long conveying distances, and high conveying speeds. They can also be loaded at one location and unloaded at multiple locations.

[0003] The existing blockage clearing system also has the following problems. Reference publication number CN214827286U discloses an automatic blockage clearing device for a pneumatic conveying system, comprising a conveying pipeline, a blockage clearing bin, an exhaust pipe, an air pump, an exhaust pipe, a flow direction control bin and a filter screen. The blockage clearing bin is arranged under the conveying pipeline, the air pump is arranged on the bottom surface of the inner wall of the blockage clearing bin, the exhaust pipe is connected to the air pump and the conveying pipeline, the exhaust pipe is connected to the air pump and the conveying pipeline, the exhaust pipe and the exhaust pipe are symmetrically arranged on the side of the inner wall of the conveying pipeline away from the opening of the air pump, the flow direction control bin passes through the exhaust pipe and the exhaust pipe and is fixedly arranged on the side of the inner wall of the blockage clearing bin, and the filter screen is arranged at the side opening of the exhaust pipe away from the air pump. This utility model belongs to the technical field of pneumatic conveying equipment, and specifically refers to an automatic blockage clearing device for a pneumatic conveying system that clears the blockage by pumping and exhausting air to blow away the blocked material.

[0004] However, the above technology cannot solve the problem in the prior art that, although it can clear the blocked materials, it cannot assist the material transportation during normal transportation to avoid material sedimentation and blockage. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a pneumatic conveying automatic blockage clearing system, which solves the problem in the existing technology that although it can clear the blocked materials, it cannot assist the material conveying during normal conveying to avoid material sedimentation and blockage.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a pneumatic conveying automatic blockage clearing system, comprising a conveying pipe, wherein the conveying pipe is provided with a blockage clearing mechanism for clearing blockage, wherein the blockage clearing mechanism comprises:

[0007] A blockage clearing assembly is provided on the delivery pipe for clearing blockage in the delivery pipe, the blockage clearing assembly comprising an L-shaped plate, a pair of the L-shaped plates being fixedly connected to the delivery pipe, a motor being provided on the L-shaped plate, a rotating rod being provided at the output end of the motor, and one end of the rotating rod passing through the pair of L-shaped plates and the delivery pipe and being rotatably connected to the pair of L-shaped plates and the delivery pipe, a group of arc-shaped rods being fixedly connected to the rotating rod, and the group of arc-shaped rods being located in the delivery pipe;

[0008] The disassembly component is arranged on the delivery pipe and is used for disassembling the delivery pipe.

[0009] Preferably, the disassembly assembly includes a disassembly groove, in which a pipe segment fixed by a fixing assembly is arranged, and rubber pads are provided on the surfaces where the pipe segment and the disassembly groove are in contact with each other.

[0010] Preferably, a positioning groove is provided on the wall of the disassembly groove, a positioning block is fixedly connected to one end of the pipe segment, a pair of fixing blocks are fixedly connected to the conveying pipe, and the pair of fixing blocks are symmetrically arranged, and a first threaded hole is provided on the pair of fixing blocks.

[0011] Preferably, the fixing assembly includes a fixing ring fixed to the outer circular wall of one end of the delivery pipe, and second threaded holes are provided on both ends of the fixing ring. Bolts are threadedly connected to the first threaded hole and the second threaded hole.

[0012] Preferably, a rectangular block is fixed to the bottom of the conveying pipe, an L-shaped block is fixed to the bottom of the pipe sheet, a rectangular through groove is provided on one lateral end of the L-shaped block, a rectangular groove is provided at the bottom of the rectangular block, a limiting block is fixed to the bottom of the rectangular groove through a spring, and the sliding block is slidably connected in the rectangular groove.

[0013] Preferably, a sliding groove is formed on the side wall of the rectangular block, a sliding block is slidably connected in the sliding groove, the side wall of the sliding block is fixedly connected to the side wall of the limiting block, and a toggle block is fixedly connected to the side wall of the sliding block.

[0014] Beneficial effects

[0015] The utility model provides a pneumatic conveying automatic blockage clearing system. Compared with the existing technology, it has the following beneficial effects:

[0016] (1) The blockage clearing system drives the rotating rod to rotate through the motor, thereby driving a group of arc-shaped rods to rotate, so that the uniform rotation can help disperse the material during material transportation, reduce deposition and blockage at the bends, promote the flow of materials, avoid material blockage, and achieve the effect of automatic cleaning and anti-blocking.

[0017] (2) The clearing system can initially fit the pipe segment and the conveying pipe by means of the provided positioning blocks and positioning grooves, and can automatically fix the transverse position of the pipe segment and the conveying pipe by means of the provided limiting blocks, which is easy to install. The first threaded hole and the second threaded hole can then be fixed by bolts. When disassembly is required, the bolts can be removed and the disassembly can be performed by moving the moving blocks. The pipe segment can be disassembled by means of the provided blocks, and the internal structure thereof can be repaired due to long-term impact and friction of the materials, or the pipe segment can be directly replaced, thereby avoiding the problem that the bent portion of the conveying pipe is easily damaged due to friction and impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 Schematic diagram of the pipe segment of the present utility model;

[0020] Figure 3 This is a schematic diagram of the arc rod of the utility model;

[0021] Figure 4 This is an exploded diagram of the bolt of the present utility model;

[0022] Figure 5 This is an exploded view of the limiting block of the present utility model.

[0023] In the figure: 1. conveying pipe; 2. L-shaped plate; 3. motor; 4. rotating rod; 5. arc-shaped rod; 6. disassembly groove; 7. pipe segment; 8. positioning groove; 9. positioning block; 10. fixing block; 11. first threaded hole; 12. fixing ring; 13. second threaded hole; 14. bolt; 15. rectangular block; 16. L-shaped block; 17. rectangular groove; 18. rectangular groove; 19. limiting block; 20. sliding groove; 21. sliding block; 22. toggle block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-5The utility model provides a technical solution: an automatic pneumatic conveying blockage clearing system includes a conveying pipe 1, a conveying pipe 1 is provided with a blockage clearing mechanism for clearing blockage, the blockage clearing mechanism includes: a blockage clearing component, which is arranged on the conveying pipe 1 for clearing blockage of the conveying pipe 1, and the blockage clearing component includes an L-shaped plate 2, a pair of L-shaped plates 2 are fixedly connected to the conveying pipe 1, a motor 3 is provided on the L-shaped plate 2, an output end of the motor 3 is provided with a rotating rod 4, and one end of the rotating rod 4 passes through the pair of L-shaped plates 2 and the conveying pipe 1, and is rotatably connected to the pair of L-shaped plates 2 and the conveying pipe 1, a group of arc rods 5 are fixedly connected to the rotating rod 4, and a group of arc rods 5 are located in the conveying pipe 1; a disassembly component is arranged on the conveying pipe 1 for disassembling the conveying pipe 1; the rotating rod 4 is driven by the provided motor 3 to rotate, thereby driving a group of arc rods 5 to rotate, so that through uniform rotation, the material can be conveyed, which helps to disperse the material, reduce deposition and blockage at the bend, promote the flow of the material, thereby avoiding material blockage, and achieving the effect of automatic cleaning and preventing blockage.

[0026] In this embodiment, the disassembly component includes a disassembly groove 6, in which a pipe segment 7 fixed by a fixing component is provided. The surfaces of the pipe segment 7 and the disassembly groove 6 that fit each other are provided with rubber pads. A positioning groove 8 is provided on the wall of the disassembly groove 6, and a positioning block 9 is fixed to one end of the pipe segment 7. A pair of fixing blocks 10 are fixed to the delivery pipe 1, and the pair of fixing blocks 10 are symmetrically arranged. A first threaded hole 11 is provided on the pair of fixing blocks 10. The fixing component includes a fixing ring 12 fixed to the outer circular wall of one end of the delivery pipe 1, and a second threaded hole 13 is provided at both ends of the fixing ring 12. The first threaded hole 11 and the second threaded hole 13 are internally threadedly connected with a bolt 14. A rectangular block 15 is fixed to the bottom of the delivery pipe 1, and an L-shaped block 16 is fixed to the bottom of the pipe segment 7. A rectangular through groove 17 is provided on one lateral end of the L-shaped block 16, and a rectangular groove 18 is provided at the bottom of the rectangular block 15. The bottom of the rectangular groove 18 is fixed with a limited The block 19 is provided, and the sliding block 21 is slidably connected in the rectangular groove 18. The side wall of the rectangular block 15 is provided with a sliding groove 20. The sliding block 21 is slidably connected in the sliding groove 20. The side wall of the sliding block 21 is fixed to the side wall of the limiting block 19, and the side wall of the sliding block 21 is fixed with a toggle block 22. The positioning block 9 and the positioning groove 8 are provided to initially fit the pipe segment 7 and the conveying pipe 1, and the limiting block 19 is provided to automatically fix the transverse position of the pipe segment 7 and the conveying pipe 1, which is easy to install. Then, the first threaded hole 11 and the second threaded hole 13 are fixed by bolts 14. When disassembly is required, only the bolts 14 need to be removed and the toggle block 22 can be toggled to disassemble. The pipe segment 7 can be disassembled by the provision, and its interior can be repaired due to long-term impact and friction of materials, or the pipe segment 7 can be directly replaced, thereby avoiding the problem that the bent part of the conveying pipe 1 is easily damaged due to friction and impact.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0028] During operation, the motor 3 is provided to drive the rotating rod 4 to rotate, thereby driving a group of arc rods 5 to rotate, so that the uniform speed rotation can help disperse the material during material transportation, reduce deposition and blockage at the bends, promote the flow of materials, thereby avoiding material blockage, and achieving the effect of automatic cleaning and anti-blocking. The provided positioning blocks 9 and positioning grooves 8 can make the pipe segment 7 and the conveying pipe 1 initially fit together, and the provided limiting blocks 19 can automatically fix the transverse positions of the pipe segment 7 and the conveying pipe 1, which is easy to install. Then, the first threaded hole 11 and the second threaded hole 13 can be fixed by bolts 14. When disassembly is required, only the bolts 14 need to be removed, and the disassembly can be performed by toggling the toggle block 22. The pipe segment 7 can be disassembled, and its interior can be repaired due to long-term impact and friction of the material, or the pipe segment 7 can be directly replaced, thereby avoiding the problem that the bent part of the conveying pipe 1 is easily damaged due to friction and impact.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pneumatic conveying automatic blockage clearing system, comprising a conveying pipe (1), characterized in that: The delivery pipe (1) is provided with a clearing mechanism for clearing blockages, and the clearing mechanism comprises: A blockage clearing assembly is provided on a conveying pipe (1) for clearing blockage in the conveying pipe (1), the blockage clearing assembly comprising an L-shaped plate (2), a pair of the L-shaped plates (2) being fixedly connected to the conveying pipe (1), a motor (3) being provided on the L-shaped plate (2), a rotating rod (4) being provided at the output end of the motor (3), and one end of the rotating rod (4) passing through the pair of L-shaped plates (2) and the conveying pipe (1) and being rotatably connected to the pair of L-shaped plates (2) and the conveying pipe (1), a group of arc-shaped rods (5) being fixedly connected to the rotating rod (4), and the group of arc-shaped rods (5) being located in the conveying pipe (1); A disassembly assembly is provided on the delivery pipe (1) and is used for disassembling the delivery pipe (1).

2. The automatic blockage clearing system for pneumatic conveying according to claim 1, characterized in that: The disassembly assembly comprises a disassembly slot (6), a pipe segment (7) fixed by a fixing assembly is arranged in the disassembly slot (6), and rubber pads are provided on the mutually contacting surfaces of the pipe segment (7) and the disassembly slot (6).

3. The automatic blockage clearing system for pneumatic conveying according to claim 2, characterized in that: A positioning groove (8) is provided on the wall of the disassembly slot (6), a positioning block (9) is fixedly connected to one end of the pipe segment (7), a pair of fixing blocks (10) are fixedly connected to the delivery pipe (1), and the pair of fixing blocks (10) are symmetrically arranged, and a first threaded hole (11) is provided on each of the pair of fixing blocks (10).

4. The automatic blockage clearing system for pneumatic conveying according to claim 3, characterized in that: The fixing assembly comprises a fixing ring (12) fixed to the outer circular wall of one end of the delivery pipe (1), a second threaded hole (13) is provided on both ends of the fixing ring (12), and a bolt (14) is connected to the inner thread of the first threaded hole (11) and the second threaded hole (13).

5. The automatic blockage clearing system for pneumatic conveying according to claim 2, characterized in that: A rectangular block (15) is fixedly connected to the bottom of the conveying pipe (1), an L-shaped block (16) is fixedly connected to the bottom of the pipe sheet (7), a rectangular through groove (17) is provided on one transverse end of the L-shaped block (16), a rectangular groove (18) is provided on the bottom of the rectangular block (15), a limiting block (19) is fixedly connected to the bottom of the rectangular groove (18) via a spring, and a sliding block (21) is slidably connected in the rectangular groove (18).

6. The automatic blockage clearing system for pneumatic conveying according to claim 5, characterized in that: The side wall of the rectangular block (15) is provided with a sliding groove (20), a sliding block (21) is slidably connected in the sliding groove (20), the side wall of the sliding block (21) is fixedly connected to the side wall of the limiting block (19), and the side wall of the sliding block (21) is fixedly connected to a toggle block (22).

Citation Information

Patent Citations

  • Automatic unblocking device for pneumatic conveying system

    CN214827286U