Pneumatic conveying rotary packaging machine

Abstract

The utility model relates to the technical field of powdery material packaging, in particular to an airflow conveying rotary packaging machine which comprises a rotating cylinder and an ash discharging bin, a transition bin is connected between the bottom of the rotating cylinder and the top of the ash discharging bin, and a butterfly valve is arranged at the connecting position between the transition bin and the rotating cylinder. An air inlet pipe is arranged at the tail end of the bottom of the ash discharging bin, an ash discharging pipe is arranged at the front end of the bottom of the ash discharging bin and connected with a flashboard box, and the flashboard box is communicated with an ash discharging nozzle. In the stage of storing the materials into the ash discharging bin, the gate plate box is closed, the butterfly valve is opened, the materials pass through the transition bin from the rotating cylinder and then enter the ash discharging bin to be stored, in the ash discharging stage after the materials are stored, the butterfly valve is closed, the gate plate box is opened, gas is blown into the gas inlet pipe, and the blown-in gas carries the materials to pass through the gate plate box and is blown out of the ash discharging nozzle for filling. Gas can be prevented from overflowing from the upper part of the transition bin by closing the butterfly valve in the filling process, and the ash discharge efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of powder material packaging technology, and in particular to an airflow conveying rotary packaging machine. Background Technology

[0002] Rotary packaging machines are automated equipment used for quantitative filling of cement and other powdery materials. They utilize a microcomputer control system to achieve the entire process of feeding, metering, and bag dropping, featuring high automation, ease of operation, and accurate metering.

[0003] Most existing rotary cement packaging machines use an impeller structure inside the ash discharge hopper to achieve material discharge. In practical applications, the impeller structure can effectively discharge materials with a higher specific gravity, such as cement, but it is less effective for materials with a lower specific gravity, such as gypsum powder. In addition, the impeller discharge is also not effective for materials that are prone to moisture or uneven particle size and are prone to agglomeration, such as dry mortar. Based on this, this utility model proposes a more widely applicable pneumatic conveying rotary packaging machine. Summary of the Invention

[0004] To address the aforementioned problems, this utility model provides an airflow conveying rotary packaging machine.

[0005] This utility model provides an air conveying rotary packaging machine, including a rotating drum and an ash discharge hopper. A transition hopper is connected between the bottom of the rotating drum and the top of the ash discharge hopper, and a butterfly valve is provided at the connection position between the transition hopper and the rotating drum. An air inlet pipe is provided at the bottom tail end of the ash discharge hopper, and an ash discharge pipe is provided at the bottom front end of the ash discharge hopper. A gate box is connected to the ash discharge pipe, and an ash discharge nozzle is connected to the gate box.

[0006] Compared with existing technologies, in the material storage stage of the ash discharge hopper, the gate box is closed and the butterfly valve is opened. The material enters the ash discharge hopper after passing through the transition chamber from the rotating drum. In the ash discharge stage after the material storage is completed, the butterfly valve is closed and the gate box is opened. Gas is blown in through the air inlet pipe. The blown gas carries the material through the gate box and is blown out through the ash discharge nozzle for filling. Moreover, closing the butterfly valve during the filling process can prevent gas from overflowing from the top of the transition chamber, thus improving the ash discharge efficiency.

[0007] Optionally, the bottom of the ash discharge hopper has an opening structure, and a quick-opening air chamber is connected to the opening structure. The quick-opening air chamber includes a connecting frame that communicates with the opening structure. A sealing plate is rotatably connected to one side of the connecting frame, and an air blowing pipe is connected through the sealing plate. A latch is provided on the other side of the connecting frame, and a quick clamp is provided on the sealing plate opposite to the latch.

[0008] Optionally, the inner side of the sealing plate is provided with a groove to form an air chamber, the air blowing pipe is connected to the air chamber, and the air chamber opening is covered with a breathable cloth.

[0009] Optionally, the gate box includes a box body, in which a rotating shaft is rotatably inserted. One end of the rotating shaft extends out of the box body and is connected to a drive rod. The outer end of the drive rod is connected to a cylinder. A through channel is provided at the bottom of the box body. One end of the through channel is connected to an ash discharge pipe, and the other end is connected to an ash discharge nozzle. A gate adapted to the through channel is provided on the rotating shaft.

[0010] Optionally, multiple intake pipes can be arranged side by side. Attached Figure Description

[0011] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings:

[0012] Figure 1 This is a schematic diagram of the structure of the pneumatic conveying rotary packaging machine in this embodiment of the present invention;

[0013] Figure 2 This is a schematic diagram of the overall assembly structure of the ash hopper in an embodiment of this utility model;

[0014] Figure 3 This is a schematic diagram of the ash hopper structure in an embodiment of the present invention. Figure 1 ;

[0015] Figure 4 This is a schematic diagram of the ash hopper structure in an embodiment of the present invention. Figure 2 ;

[0016] Figure 5 This is a schematic diagram of the main structure of the gate box in an embodiment of this utility model;

[0017] Figure 6 This is a cross-sectional view of the gate box portion in an embodiment of the present utility model;

[0018] Figure 7 This is a schematic diagram of the gate box drive part in an embodiment of the present utility model;

[0019] Figure 8 This is a cross-sectional view of the quick-opening air chamber in an embodiment of the present invention;

[0020] Figure 9 This is a top view of the quick-opening air chamber in an embodiment of the present invention.

[0021] The components are as follows: 1. Rotating cylinder; 2. Ash discharge hopper; 3. Transition hopper; 4. Butterfly valve; 5. Air inlet pipe; 6. Ash discharge pipe; 7. Gate box; 8. Ash discharge nozzle; 9. Opening structure; 10. Quick-opening air chamber; 11. Connecting frame; 12. Sealing plate; 13. Air blowing pipe; 14. Latch; 15. Quick clamp; 16. Air chamber; 17. Breathable cloth; 18. Box body; 19. Rotating shaft; 20. Drive rod; 21. Cylinder; 22. Through channel; 23. Gate. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. Here, the illustrative embodiments and descriptions of this utility model are used to explain the present utility model, but are not intended to limit the present utility model.

[0023] See Figures 1-9 The present invention provides an air conveying rotary packaging machine, including a rotating cylinder 1 and an ash discharge bin 2. A transition bin 3 is connected between the bottom of the rotating cylinder 1 and the top of the ash discharge bin 2. A butterfly valve 4 is provided at the connection position between the transition bin 3 and the rotating cylinder 1. An air inlet pipe 5 is provided at the bottom tail end of the ash discharge bin 2, and an ash discharge pipe 6 is provided at the bottom front end of the ash discharge bin 2. A gate box 7 is connected to the ash discharge pipe 6, and an ash discharge nozzle 8 is connected to the gate box 7.

[0024] During implementation, in the material storage stage of the ash discharge hopper 2, the gate box 7 is closed and the butterfly valve 4 is opened. The material enters the ash discharge hopper 2 after passing through the transition hopper 3 from the rotating drum 1. In the ash discharge stage after the material storage is completed, the butterfly valve 4 is closed and the gate box 7 is opened. Gas is blown in through the air inlet pipe 5. The blown gas carries the material through the gate box 7 and is blown out through the ash discharge nozzle 8 for filling. During the filling process, closing the butterfly valve 4 can prevent gas from overflowing from the top of the transition hopper 3 and improve the ash discharge efficiency.

[0025] In practice, the shell of the ash discharge hopper 2 has a cross-section that is generally a right-angled trapezoid at the top and a semi-circular shape at the bottom. The air inlet pipe 5 extends into the ash discharge hopper 2 at a certain angle downwards, and the ash discharge pipe 6 extends out of the ash discharge hopper 2 at a certain angle downwards, with the angle of inclination being greater than that of the air inlet pipe 5. The bottom of the ash discharge hopper 2 has an opening structure 9, and a quick-opening air chamber 10 is connected to the opening structure 9. The quick-opening air chamber 10 includes a connecting frame 11 that communicates with the opening structure 9. A sealing plate 12 is rotatably connected to one side of the connecting frame 11. A rubber ring can be added between the connecting frame 11 and the sealing plate 12 to ensure sealing performance. An air blowing pipe 13 is connected through the sealing plate 12. A latch 14 is provided on the other side of the connecting frame 11, and a quick clamp 15 is provided on the sealing plate 12 opposite to the latch 14. When needed, the connection between the quick clamp 15 and the latch 14 can be loosened to open the sealing plate 12, thereby facilitating observation of the internal condition of the ash discharge hopper 2 and facilitating maintenance.

[0026] The inner side of the sealing plate 12 is provided with a groove to form an air chamber 16. The air blowing pipe 13 is connected to the air chamber 16, and the opening of the air chamber 16 is covered with a breathable cloth 17. The breathable cloth 17 can be clamped between the sealing plate 12 and the connecting frame 11 to prevent the material entering the quick-opening air chamber 10 from accumulating at the air blowing pipe 13 and causing blockage or overflowing from the air blowing pipe 13. Before opening the sealing plate 12, the air blowing pipe 13 blows air to blow away the material on the breathable cloth 17 and prevents the material from spilling when the sealing plate 12 is opened.

[0027] In implementation, the gate box 7 includes a box body 18, in which a rotating shaft 19 is rotatably inserted. One end of the rotating shaft 19 extends out of the box body 18 and is connected to a drive rod 20. The outer end of the drive rod 20 is connected to a cylinder 21. A through channel 22 is provided at the bottom of the box body 18. One end of the through channel 22 is connected to the ash discharge pipe 6, and the other end is connected to the ash discharge nozzle 8. A gate 23 adapted to the through channel 22 is provided on the rotating shaft 19. The gate 23 can be a fan-shaped plate. When the cylinder 21 drives the rotating shaft 19 to rotate through the drive rod 20, the gate 23 rotates under the drive of the rotating shaft 19, thereby closing or opening the through channel 22.

[0028] In practice, multiple air inlet pipes 5 can be installed side by side according to the required output volume.

[0029] The solution provided by this utility model uses airflow conveying to replace the traditional impeller conveying method, which avoids the situation where materials easily clump on the impeller when the existing rotary cement packaging machine works in a high humidity environment for a long time; at the same time, the use of the transition chamber and butterfly valve can improve the discharge efficiency.

[0030] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model are included within the scope of protection of this utility model.

Claims

1. A pneumatic conveying rotary packaging machine comprising a rotating drum and an ash bin, characterized in that, A transition chamber is connected between the bottom of the rotating drum and the top of the ash discharge hopper, and a butterfly valve is installed at the connection between the transition chamber and the rotating drum; an air inlet pipe is installed at the bottom tail end of the ash discharge hopper, and an ash discharge pipe is installed at the bottom front end of the ash discharge hopper. A gate box is connected to the ash discharge pipe, and an ash discharge nozzle is connected to the gate box.

2. The air flow conveyor rotary packaging machine of claim 1, wherein, The bottom of the ash discharge hopper has an opening structure, and a quick-opening air chamber is connected to the opening structure. The quick-opening air chamber includes a connecting frame that communicates with the opening structure. A sealing plate is rotatably connected to one side of the connecting frame, and an air blowing pipe is connected through the sealing plate. A latch is provided on the other side of the connecting frame, and a quick clamp is provided on the sealing plate opposite to the latch.

3. The air flow conveyor rotary packaging machine of claim 2, wherein, The inner side of the sealing plate is provided with a groove to form an air chamber, and the air blowing pipe is connected to the air chamber. The air chamber opening is covered with a breathable cloth.

4. The air-puffer rotary packaging machine according to claim 1, wherein The gate box includes a box body, in which a rotating shaft is rotatably inserted. One end of the rotating shaft extends out of the box body and is connected to a drive rod. The outer end of the drive rod is connected to a cylinder. A through channel is provided at the bottom of the box body. One end of the through channel is connected to an ash discharge pipe, and the other end is connected to an ash discharge nozzle. A gate adapted to the through channel is provided on the rotating shaft.

5. The air-puffer rotary packaging machine according to claim 1, wherein There are multiple intake pipes arranged side by side.

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