Device capable of adjusting flow of vacuum conveying pipeline
By designing an adjustable flow vacuum conveying pipeline device, the problem of mismatch between airflow and material mixing ratio in the vacuum feeder was solved, achieving efficient, stable, and flexible material conveying, and ensuring the smoothness and efficiency of the conveying process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANGTZE RIVER PHARM GRP NANJING HAILING PHARM CO LTD
- Filing Date
- 2025-05-07
- Publication Date
- 2026-05-08
AI Technical Summary
In existing vacuum feeders, the airflow and material mixing ratio is mismatched during the conveying of powdery materials, resulting in poor material suction or low conveying efficiency.
An adjustable flow vacuum delivery pipeline device was designed, including a handheld gun, an air inlet pipe, a ball valve, an air filter housing, and an air filter element. The air intake is adjusted by the ball valve, and the air is filtered by the air filter element to ensure clean airflow. The filtration operation can be stopped when the filter element is replaced.
It enables flexible adjustment of airflow, ensuring smooth material conveying, improving conveying efficiency, avoiding problems such as material compaction or improper flow rate, and the air filter replacement process does not affect the conveying operation.
Smart Images

Figure CN224211963U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of powdered drug delivery technology, and in particular to a device that can adjust the flow rate of a vacuum delivery pipeline. Background Technology
[0002] Modern pharmaceutical manufacturing requires a variety of automated production equipment, including conveying and filling equipment for powdered materials.
[0003] The existing epalostat capsule raw material powder is transported from the turnover drum to the capsule filling machine feed hopper by a vacuum feeder. During the conveying process, the airflow sucked in by the vacuum feeder is not mixed with the material, resulting in poor material suction or low conveying efficiency of the vacuum feeder. Utility Model Content
[0004] The purpose of this invention is to provide a device that can adjust the flow rate of a vacuum conveying pipeline. This device can flexibly and conveniently adjust the air flow rate of the conveying pipeline, ensuring smooth material conveying. It is highly practical and the adjustment operation is flexible and convenient.
[0005] To achieve the above objectives, the present invention provides the following technical solution:
[0006] A device for adjusting the flow rate of a vacuum delivery pipeline includes a handheld gun, an air inlet pipe fixedly connected to the side surface of the handheld gun, a ball valve fixedly installed in the air inlet pipe, an air filter housing fixedly installed at the air inlet end of the air inlet pipe, and multiple air filter elements fixedly installed inside the air filter housing.
[0007] By adopting the above technical solution, the air intake volume of the intake pipe can be flexibly adjusted.
[0008] Furthermore, a conveying hose is fixedly installed at the air outlet end of the handheld gun, a material conveying pipe is fixedly installed at the other end of the conveying hose, and a vacuum feeder is provided at the other end of the material conveying pipe.
[0009] By adopting the above technical solution, it is possible to conveniently use a handheld gun and at the same time perform stable material conveying operations.
[0010] Furthermore, the handheld gun is covered with an anti-slip sleeve, and the outer surface of the anti-slip sleeve is provided with multiple anti-slip protrusions.
[0011] By adopting the above technical solutions, it is ensured that the handheld gun can be held stably.
[0012] Furthermore, a spherical wire mesh cover is fitted onto the air intake end of the handheld gun.
[0013] By adopting the above technical solution, flexible debris can be prevented from being sucked into the handheld gun.
[0014] Furthermore, an inner adjustment seat is rotatably installed inside the air filter housing, and the inner adjustment seat is provided with multiple filter insertion holes, with the air filter element snapped into place inside the filter insertion holes.
[0015] By adopting the above technical solution, the position of the air filter element can be easily adjusted.
[0016] Furthermore, a limit cover is externally threaded onto one end of the air filter housing, and an end cap is integrally connected at the middle position of the end face of the inner adjustment seat.
[0017] By adopting the above technical solution, the inner adjustment seat can be rotated conveniently.
[0018] In summary, the beneficial technical effects of this utility model are as follows:
[0019] 1. This utility model can use a vacuum feeder to extract air during use, thereby moving the material mixed in the air together to realize the material conveying operation. During the conveying process, due to the mismatch between the airflow sucked in by the vacuum feeder and the mixing ratio of the material, the vacuum feeder may have poor material suction or low conveying efficiency. In order to ensure high-efficiency conveying, the air intake volume of the air inlet pipe can be adjusted by a ball valve to ensure that the material conveying in the pipeline will not be compacted or have a slow flow rate, or that the material is sparse and has an excessively fast flow rate. It is highly practical.
[0020] 2. This utility model allows for the use of one of the air filter elements to filter the air entering the intake pipe during operation, ensuring that the incoming air is clean. After prolonged use, the end can be twisted to rotate the inner adjustment seat inside the air filter housing, thereby transferring a new air filter element to the intake port of the intake pipe and moving the air filter element that needs cleaning and replacement elsewhere. At this point, the air filtration operation can continue. During the filtration process, the air filter element that needs cleaning can be pulled out and replaced with a new one. The entire process of replacing the air filter element does not require stopping the air filtration operation, making it highly convenient to adjust and practical. Attached Figure Description
[0021] Figure 1 This is a first-view perspective view of the three-dimensional structure of this utility model;
[0022] Figure 2 This is a second perspective view of the three-dimensional structure of this utility model;
[0023] Figure 3 This utility model Figure 2 Enlarged view of point A.
[0024] In the diagram: 1. Vacuum feeder; 2. Material conveying pipe; 3. Conveying hose; 4. Handheld gun; 5. Air inlet pipe; 6. Ball valve; 7. Anti-slip sleeve; 8. Air filter housing; 9. Limit cover; 10. Inner adjustment seat; 11. Air filter element; 12. End; 13. Filter insertion hole; 14. Spherical wire cover. Detailed Implementation
[0025] The method of this utility model will be further described in detail below with reference to the accompanying drawings.
[0026] Reference Figure 1 , Figure 2 A device for adjusting the flow rate of a vacuum conveying pipeline includes a handheld gun 4. An air inlet pipe 5 is fixedly connected to the side surface of the handheld gun 4. A ball valve 6 is fixedly installed in the air inlet pipe 5. An air filter housing 8 is fixedly installed at the air inlet end of the air inlet pipe 5. Multiple air filter elements 11 are fixedly installed inside the air filter housing 8. A conveying hose 3 is fixedly installed at the air outlet end of the handheld gun 4. A material conveying pipe 2 is fixedly installed at the other end of the material conveying pipe 2. A vacuum feeder 1 is provided at the other end of the material conveying pipe 2. During use, the vacuum feeder 1 can be used to extract air, thereby moving the material mixed with the air together to realize the material conveying operation. During the conveying process, if the airflow and material mixing ratio of the vacuum feeder 1 are not matched, the vacuum feeder 1 may have poor material suction or low conveying efficiency. In order to ensure high-efficiency conveying, the air intake of the air inlet pipe 5 can be adjusted by the ball valve 6 to ensure that the material conveying in the pipeline will not be compacted or have a slow flow rate, or that the material is sparse and has an excessively fast flow rate. It is highly practical.
[0027] Reference Figure 1 The handheld gun 4 is covered with an anti-slip sleeve 7. Multiple anti-slip ridges are provided on the outer surface of the anti-slip sleeve 7. A spherical steel wire cover 14 is fitted to the air inlet end of the handheld gun 4. The anti-slip sleeve 7 can be used to improve the grip stability of the handheld gun 4, while the spherical steel wire cover 14 can be used to prevent flexible debris from being sucked into the material conveying pipe.
[0028] Reference Figure 2 , Figure 3An inner adjustment seat 10 is rotatably installed inside the air filter housing 8. The inner adjustment seat 10 is provided with multiple filter insertion holes 13. The air filter element 11 is snapped into the filter insertion holes 13. One end of the air filter housing 8 is externally threaded with a limit cover 9. An end head 12 is integrally connected to the middle position of the end face of the inner adjustment seat 10. During use, one of the air filter elements 11 can be used to filter the air entering the intake pipe 5 to ensure that the incoming air is clean. After a long period of use, the end head 12 can be turned to rotate the inner adjustment seat 10 inside the air filter housing 8, thereby transferring a new air filter element 11 to the intake port of the intake pipe 5, and transferring the air filter element 11 that needs to be cleaned and replaced to another location. At this time, the air filtration operation can continue. During the filtration process, the air filter element 11 that needs to be cleaned can be pulled out and replaced with a new one. The entire process of replacing the air filter element 11 does not require stopping the air filtration operation, making it highly convenient to adjust and practical.
[0029] Working Principle: During operation, start the vacuum feeder 1, hold the handheld gun 4, and place the air inlet of the handheld gun 4 at the designated position. During this process, the spherical wire mesh cover 14 prevents flexible debris from being sucked into the handheld gun 4, while the material mixed with the air moves along with it, thus achieving material conveying. During conveying, if the airflow and material mixing ratio of the vacuum feeder 1 are mismatched, resulting in poor material suction or low conveying efficiency, the air intake of the air inlet pipe 5 can be adjusted via the ball valve 6 to ensure that the material conveying in the pipe does not experience compaction, slow flow, or excessively sparse material flow. Furthermore, during use, one of the air filters 11 filters the air entering the intake pipe 5, ensuring that the incoming air is clean. After prolonged use, the end 12 is turned to rotate the inner adjustment seat 10 inside the air filter housing 8, thereby transferring a new air filter 11 to the intake port of the intake pipe 5 and transferring the air filter 11 that needs cleaning and replacement to another location. At this time, the air filtration operation can continue. During the filtration process, the air filter 11 that needs cleaning can be pulled out and replaced with a new one. The entire process of replacing the air filter 11 does not require stopping the air filtration operation, making adjustment highly convenient.
[0030] The specific real-time examples described herein are preferred real-time examples of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.
Claims
1. A device for adjusting the flow rate of a vacuum conveying pipeline, comprising a handheld gun (4), characterized in that: An air inlet pipe (5) is fixedly connected to the side surface of the handheld gun (4). A ball valve (6) is fixedly installed in the pipe of the air inlet pipe (5). An air filter housing (8) is fixedly installed at the air inlet end of the air inlet pipe (5). Multiple air filter elements (11) are fixedly installed inside the air filter housing (8).
2. The device for adjusting the flow rate of a vacuum conveying pipeline according to claim 1, characterized in that: The handheld gun (4) has a conveying hose (3) fixedly installed at the air outlet end, and a material conveying pipe (2) fixedly installed at the other end of the conveying hose (3). A vacuum feeder (1) is provided at the other end of the material conveying pipe (2).
3. The device for adjusting the flow rate of a vacuum conveying pipeline according to claim 1, characterized in that: The handheld gun (4) is covered with an anti-slip sleeve (7), and the outer surface of the anti-slip sleeve (7) is provided with multiple anti-slip ridges.
4. The device for adjusting the flow rate of a vacuum conveying pipeline according to claim 1, characterized in that: The air intake end of the handheld gun (4) is fitted with a spherical wire mesh cover (14).
5. The device for adjusting the flow rate of a vacuum conveying pipeline according to claim 1, characterized in that: An inner adjustment seat (10) is rotatably installed inside the air filter housing (8). The inner adjustment seat (10) is provided with a plurality of filter insertion holes (13). The air filter element (11) is snapped into the inside of the filter insertion holes (13).
6. The device for adjusting the flow rate of a vacuum conveying pipeline according to claim 5, characterized in that: One end of the air filter housing (8) is externally threaded with a limit cover (9), and an end head (12) is integrally connected at the middle position of the end face of the inner adjustment seat (10).