Automatic feeding device for pasty medicament

By using a pressure plate pump, multi-stage dissolving tank, agitator and a reflow pipeline in the automatic dosing device, the problem of automatic dosing of paste-like agents is solved, uniform mixing and efficient utilization of the agents are achieved, and labor costs are reduced.

CN223127904UActive Publication Date: 2025-07-22SHAANXI CHUANGYUAN PETROLEUM TECH
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Patent Information

Application Number
CN202421977846.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-07-22
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

Most existing automatic dosing devices are suitable for granular drugs, but their applicability to paste-like drugs is insufficient, resulting in scarce automatic dosing devices for paste-like drugs.

Method used

A pressure plate pump is used to inject paste-like agent into the drug dissolving unit, and a number of interconnected drug dissolving storage tanks and agitators are installed in the drug dissolving unit. Combined with a reflux pipeline to achieve uniform mixing and utilization of the agent, and a weighing sensor is equipped to prevent damage to the empty container.

Benefits of technology

Automatic mixing and uniform dissolution of paste-like agents is achieved, which improves the utilization rate of agents, reduces labor costs and prevents equipment damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an automatic medicine adding device for pasty medicine, which comprises a medicine adding unit, a medicine dissolving unit, a medicine feeding unit and a controller, and the medicine adding unit, the medicine dissolving unit and the medicine feeding unit are all connected with the controller. The medicine adding unit is connected with the medicine dissolving unit through a medicine adding pipeline and used for adding a pasty medicine into the medicine dissolving unit, a water inlet is formed in the medicine dissolving unit, clear water is added into the medicine dissolving unit through the water inlet, and the medicine dissolving unit mixes the pasty medicine with the clear water to form a liquid medicine. The medicine dissolving unit is connected with the medicine feeding unit; the system further comprises a backflow pipeline, an inlet of the backflow pipeline is connected with the medicine feeding unit, an outlet of the backflow pipeline is connected with the medicine dissolving unit to form a loop, and the backflow pipeline is used for enabling redundant liquid medicine in the medicine feeding unit to flow back into the medicine dissolving unit. According to the utility model, the pasty medicament can be automatically injected into the medicament dissolving unit, and medicament dissolving and medicament adding can be carried out.
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Description

Technical Field

[0001] The utility model relates to the technical field of automatic dosing of paste-like medicaments, and particularly relates to an automatic dosing device for paste-like medicaments. Background Art

[0002] Medicaments play a very important role in industrial production. There are various states of medicaments, such as liquid state, powder state, paste state, etc. At present, our company needs to select a certain paste-like medicament as the medicament and carry out continuous water-soluble drug dissolution and dosing. The most commonly used existing automatic dosing device is the PAM automatic dosing device, and the PAM automatic dosing device is suitable for granular medicaments and not suitable for paste-like medicaments. At the same time, automatic dosing devices suitable for paste-like medicaments are relatively scarce on the market.

[0003] In view of this, the inventor provides an automatic dosing device for paste-like medicaments to solve the above technical problems. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the above-mentioned disadvantages of the existing technology and provide an automatic dosing device for paste-like medicaments. The paste-like medicament is injected into the drug dissolution unit by adopting a diaphragm pump. The drug dissolution unit includes a plurality of interconnected drug dissolution storage tanks, and a stirrer is arranged in each drug dissolution storage tank to enable the paste-like medicament and clear water to be fully mixed evenly. In addition, a reflux pipeline is also provided to improve the utilization rate of the medicament.

[0005] The purpose of the utility model is solved by the following technical solutions:

[0006] The utility model provides an automatic dosing device for paste-like medicaments, which includes a dosing unit, a drug dissolution unit, a drug delivery unit and a controller. The dosing unit, the drug dissolution unit and the drug delivery unit are all connected to the controller;

[0007] The dosing unit is connected to the drug dissolution unit through a dosing pipeline for adding the paste-like medicament into the drug dissolution unit. The drug dissolution unit is provided with a water inlet, and clear water is added into the drug dissolution unit through the water inlet. The drug dissolution unit mixes the paste-like medicament and clear water to form a liquid medicament, and the drug dissolution unit is connected to the drug delivery unit;

[0008] It further includes a reflux pipeline. The inlet of the reflux pipeline is connected to the drug delivery unit, and the outlet is connected to the drug dissolution unit to form a loop. The reflux pipeline is used to return the excess liquid medicament in the drug delivery unit to the drug dissolution unit.

[0009] Furthermore, the dosing unit includes a diaphragm pump and a container filled with the paste-like medicament. A weighing sensor is arranged at the bottom of the container. The diaphragm pump and the weighing sensor are both connected to the controller. The first medicine outlet of the diaphragm pump is connected to the drug dissolution unit.

[0010] Further, the medicine dissolving unit includes a plurality of interconnected medicine dissolving storage tanks, each of which is provided with a stirrer, and each stirrer is connected to a controller.

[0011] Further, for the medicine dissolving storage tank closer to the medicine adding unit than other medicine dissolving storage tanks, a first medicine inlet is provided thereon, the water inlet and the first medicine inlet are located on the same medicine dissolving storage tank, and the first medicine outlet of the pressing disc pump is connected to the first medicine inlet through a medicine adding pipeline.

[0012] Further, for the medicine dissolving storage tank farther from the medicine adding unit than other medicine dissolving storage tanks, a second medicine outlet and a second medicine inlet are provided thereon, and the second medicine outlet is connected to the medicine administration unit.

[0013] Further, the medicine administration unit includes a first medicine administration pipeline, a first valve, a medicine adding pump, a second valve, and a second medicine administration pipeline. The second medicine outlet is connected to the inlet of the first medicine administration pipeline, the outlet of the first medicine administration pipeline is connected to the inlet of the medicine adding pump, the outlet of the medicine adding pump is connected to the inlet of the second medicine administration pipeline, and the medicine adding pump is connected to the controller;

[0014] The first valve is arranged on the first medicine administration pipeline, and the second valve is arranged on the second medicine administration pipeline.

[0015] Further, the inlet of the reflux pipeline is connected to the second medicine administration pipeline and is located between the medicine adding pump and the second valve, and the outlet of the reflux pipeline is connected to the second medicine inlet.

[0016] Further, a third valve is arranged on the reflux pipeline.

[0017] Compared with the prior art, the technical solution provided by the present utility model has the following beneficial effects:

[0018] An automatic medicine adding device for paste-like medicine provided by the present utility model realizes the automatic injection of paste-like medicine into the medicine dissolving unit by using a pressing disc pump. The medicine dissolving unit includes a plurality of interconnected medicine dissolving storage tanks, and a stirrer is arranged in each medicine dissolving storage tank, so that the paste-like medicine and clear water can be fully and evenly mixed. In addition, a weighing sensor is arranged at the bottom of the container containing the paste-like medicine. When the remaining amount of medicine in the container reaches the set amount, the weighing sensor sends a signal to the controller, and the controller controls the pressing disc pump to stop working, preventing the pressing disc pump from being damaged when operating in an empty container. In addition, a reflux pipeline is also provided, improving the utilization rate of the medicine. The operation of the present utility model is simple, saving labor costs. Description of the Drawings

[0019] The drawings here are incorporated into the specification and constitute a part of this specification, and are used together with the specification to explain the principle of the present utility model.

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic structural diagram of an automatic dosing device for paste-like medicaments of the present invention.

[0022] Wherein: 1 is a dosing unit; 2 is a medicine dissolving unit; 3 is a medicine administration unit; 4 is a controller; 5 is a dosing pipeline; 6 is a reflux pipeline; 7 is a third valve; 11 is a diaphragm pump; 21 is a first medicine inlet; 22 is a water inlet; 23 is a medicine dissolving storage tank; 24 is a stirrer; 31 is a first medicine administration pipeline; 32 is a first valve; 33 is a dosing pump; 34 is a second valve; 35 is a second medicine administration pipeline. Specific embodiments

[0023] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. On the contrary, they are only examples of devices consistent with some aspects of the present invention detailed in the appended claims.

[0024] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the drawings and embodiments.

[0025] Please refer to Figure 1 , the embodiments of the present invention provide an automatic dosing device for paste-like medicaments, including a dosing unit 1, a medicine dissolving unit 2, a medicine administration unit 3 and a controller 4. The dosing unit 1, the medicine dissolving unit 2 and the medicine administration unit 3 are all connected to the controller 4;

[0026] The dosing unit 1 is connected to the medicine dissolving unit 2 through a dosing pipeline 5 for adding the paste-like medicament into the medicine dissolving unit 2. A water inlet 22 is provided on the medicine dissolving unit 2, and clear water is added into the medicine dissolving unit 2 through the water inlet 22. The medicine dissolving unit 2 mixes the paste-like medicament and the clear water to form a liquid medicament, and the medicine dissolving unit 2 is connected to the medicine administration unit 3;

[0027] It further includes a reflux pipeline 6. The inlet of the reflux pipeline 6 is connected to the medicine administration unit 3, and the outlet is connected to the medicine dissolving unit 2 to form a loop. The reflux pipeline 6 is used to reflux the excess liquid medicament in the medicine administration unit 3 back into the medicine dissolving unit 2, improving the utilization rate of the medicament.

[0028] Furthermore, the medicine adding unit 1 includes a piston pump 11 and a container filled with paste-like medicine. A weighing sensor is arranged at the bottom of the container. Both the piston pump 11 and the weighing sensor are connected to the controller 4. The first medicine outlet of the piston pump 11 is connected to the medicine dissolving unit 2. A weighing sensor is arranged at the bottom of the container filled with paste-like medicine. When the remaining amount of medicine in the container reaches the set amount, the weighing sensor sends a signal to the controller 4, and the controller 4 controls the piston pump 11 to stop operating, preventing the piston pump 11 from being damaged due to operating in an empty container.

[0029] Specifically, in this embodiment, the piston pump 11 selects a Graco product, which can conveniently adjust the required flow rate and control the feeding speed of the paste-like medicine. It should be noted that the piston pump 11 can be selected according to actual needs, as long as it can send the paste-like medicine into the medicine dissolving unit 2. There is no limitation here and it can be flexibly set.

[0030] Furthermore, the medicine dissolving unit 2 includes a plurality of interconnected medicine dissolving storage tanks 23. Each medicine dissolving storage tank 23 is provided with a stirrer 24, and each stirrer 24 is connected to the controller 4. The purpose of this structure is to perform multi-stage medicine dissolution to ensure more uniform fusion of the medicine.

[0031] In this embodiment, the medicine dissolving unit 2 includes 2 juxtaposed and interconnected medicine dissolving storage tanks 23. Each medicine dissolving storage tank 23 is provided with a stirrer 24. The two stirrers 24 are both connected to the controller 4, and the controller 4 controls the start or stop of the stirrers 24.

[0032] Furthermore, for the medicine dissolving storage tank 23 closer to the medicine adding unit 1 than other medicine dissolving storage tanks 23, a first medicine inlet 21 and a water inlet 22 are arranged at its top. The first medicine outlet of the piston pump 11 is connected to the first medicine inlet 21 through a medicine adding pipeline 5.

[0033] Furthermore, for the medicine dissolving storage tank 23 farther from the medicine adding unit 1 than other medicine dissolving storage tanks 23, a second medicine outlet and a second medicine inlet are arranged at its lower part. The second medicine outlet is connected to the medicine administration unit 3. In this embodiment, the second medicine outlet is arranged below the second medicine inlet.

[0034] In this embodiment, a first medicine inlet 21 and a water inlet 22 are arranged at the top of one medicine dissolving storage tank 23 close to the medicine adding unit 1, and a second medicine outlet and a second medicine inlet are arranged on the other medicine dissolving storage tank 23.

[0035] Further, the drug delivery unit 3 includes a first drug delivery pipeline 31, a first valve 32, a drug addition pump 33, a second valve 34, and a second drug delivery pipeline 35. The second drug outlet is connected to the inlet of the first drug delivery pipeline 31. The outlet of the first drug delivery pipeline 31 is connected to the inlet of the drug addition pump 33. The outlet of the drug addition pump 33 is connected to the inlet of the second drug delivery pipeline 35. The drug addition pump 33 is connected to the controller 4.

[0036] The first valve 32 is arranged on the first drug delivery pipeline 31, and the second valve 34 is arranged on the second drug delivery pipeline 35.

[0037] Further, the inlet of the reflux pipeline 6 is connected to the second drug delivery pipeline 35 and is located between the drug addition pump 33 and the second valve 34. The outlet of the reflux pipeline 6 is connected to the second drug inlet, and a third valve 7 is arranged on the reflux pipeline 6.

[0038] The specific process of the present utility model in practical application is as follows:

[0039] Operate the controller 4 to start the pressing disc pump 11, the weighing sensor, and the stirrer 24, and simultaneously inject clean water and paste-like medicine into the medicine dissolving storage tank 23. The two are fully mixed evenly by the stirrer 24. Then, open the first valve 32, the drug addition pump 33, the second valve 34, and the third valve 7 in sequence to deliver the liquid medicine to the object that needs drug addition. During the delivery process, if there is excess liquid medicine in the second drug delivery pipeline 35, the excess liquid medicine flows back into the medicine dissolving storage tank 23 through the third valve 7 and the reflux pipeline 6.

[0040] The above are only the specific embodiments of the present utility model, enabling those skilled in the art to understand or implement the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model.

[0041] It should be understood that the present utility model is not limited to the content already described above and can be modified and changed without departing from its scope. The scope of the present utility model is only limited by the appended claims.

Claims

1. An automatic medicine adding device for paste-like medicine, characterized in that, It includes a medicine adding unit (1), a medicine dissolving unit (2), a medicine administering unit (3) and a controller (4). The medicine adding unit (1), the medicine dissolving unit (2) and the medicine administering unit (3) are all connected to the controller (4). The medicine adding unit (1) is connected to the medicine dissolving unit (2) through a medicine adding pipeline (5) for adding paste-like medicine into the medicine dissolving unit (2). The medicine dissolving unit (2) is provided with a water inlet (22). Clear water is added into the medicine dissolving unit (2) through the water inlet (22). The medicine dissolving unit (2) mixes the paste-like medicine with the clear water to form liquid medicine. The medicine dissolving unit (2) is connected to the medicine administering unit (3). It further includes a reflux pipeline (6). The inlet of the reflux pipeline (6) is connected to the medicine administering unit (3), and the outlet is connected to the medicine dissolving unit (2) to form a loop. The reflux pipeline (6) is used to reflux the excess liquid medicine in the medicine administering unit (3) back into the medicine dissolving unit (2).

2. The automatic medicine adding device for the paste medicine according to claim 1, characterized in that, The medicine adding unit (1) includes a pressing disc pump (11) and a container filled with paste-like medicine. A weighing sensor is arranged at the bottom of the container. Both the pressing disc pump (11) and the weighing sensor are connected to the controller (4). The first medicine outlet of the pressing disc pump (11) is connected to the medicine dissolving unit (2).

3. The automatic medicine adding device for paste medicine according to claim 2, wherein The medicine dissolving unit (2) includes a plurality of interconnected medicine dissolving storage tanks (23). A stirrer (24) is arranged in each medicine dissolving storage tank (23), and each stirrer (24) is connected to the controller (4).

4. The automatic dosing device for the paste-like medicament according to claim 3, characterized in that For the medicine dissolving storage tank (23) on the side of the other medicine dissolving storage tanks (23) close to the medicine adding unit (1), it is provided with a first medicine inlet (21). The water inlet (22) and the first medicine inlet (21) are located on the same medicine dissolving storage tank (23). The first medicine outlet of the pressing disc pump (11) is connected to the first medicine inlet (21) through the medicine adding pipeline (5).

5. The automatic medicine adding device for paste medicine according to claim 3, wherein For the medicine dissolving storage tank (23) on the side of the other medicine dissolving storage tanks (23) far from the medicine adding unit (1), it is provided with a second medicine outlet and a second medicine inlet. The second medicine outlet is connected to the medicine administering unit (3).

6. The automatic medicine adding device for paste medicine according to claim 5, characterized in that, The medicine administering unit (3) includes a first medicine administering pipeline (31), a first valve (32), a medicine adding pump (33), a second valve (34) and a second medicine administering pipeline (35). The second medicine outlet is connected to the inlet of the first medicine administering pipeline (31). The outlet of the first medicine administering pipeline (31) is connected to the inlet of the medicine adding pump (33). The outlet of the medicine adding pump (33) is connected to the inlet of the second medicine administering pipeline (35). The medicine adding pump (33) is connected to the controller (4). The first valve (32) is arranged on the first medicine administering pipeline (31), and the second valve (34) is arranged on the second medicine administering pipeline (35).

7. The automatic medicine adding device for the paste medicine according to claim 6, characterized in that, The inlet of the reflux pipeline (6) is connected to the second medicine administering pipeline (35) and is located between the medicine adding pump (33) and the second valve (34). The outlet of the reflux pipeline (6) is connected to the second medicine inlet.

8. The automatic medicine adding device for paste medicine according to claim 7, characterized in that, A third valve (7) is arranged on the reflux pipeline (6).