A dispensing metering device for a multiple pharmaceutical preparation

Abstract

This utility model discloses a dispensing and metering device for compound drug preparations, belonging to the field of biopharmaceutical technology. It includes a conveying cylinder and a drug receiving ring. Four drug receiving tubes are fixedly connected to the bottom of the drug receiving ring, and a composite cylinder is fixedly connected to the bottom of each of the four drug receiving tubes. A mixing chamber is opened inside the composite cylinder, and an inlet pipe is fixedly connected to the surface of the composite cylinder, communicating with the mixing chamber. This utility model, by setting a drive structure composed of a drive motor, a first rotating shaft, a driving gear, a driven gear, and a second rotating shaft, can simultaneously drive four spiral drug delivery shafts to achieve stable delivery of different drug components, and can also drive the mixing rod to complete the full mixing of the drug components to form a compound drug. It eliminates the need for multiple independent drive structures, effectively simplifying the overall structure of the device and reducing design and manufacturing costs during mass production.

Description

Technical Field

[0001] This utility model belongs to the field of biopharmaceutical technology, specifically relating to a dispensing and metering device for compound drug preparations. Background Technology

[0002] The compound drug preparation dispensing and metering device is a special equipment for compound drugs. Its core function is to ensure that the proportion of each active ingredient in the compound drug meets the drug standards during the production, dispensing and compounding process. At the same time, it can realize the standardized dispensing of single doses or batch specifications. It is widely used in pharmaceutical production workshops, hospital pharmacies, drug research and development laboratories and other scenarios.

[0003] In existing compound drug preparation dispensing and metering devices, the three key steps of drug addition, drug delivery, and mixing each require a separate drive structure, resulting in a relatively complex overall device structure. At the same time, the design and production of multiple drive structures also leads to high mass production costs. Therefore, a dispensing and metering device for compound drug preparations is needed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a dispensing and metering device for compound drug preparations to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a dispensing and metering device for compound drug preparations, comprising a conveying cylinder and a drug receiving ring, wherein four drug dispensing pipes are fixedly connected to the bottom of the drug receiving ring, and a composite cylinder is fixedly connected to the bottom of the four drug dispensing pipes. A mixing chamber is opened inside the composite cylinder, and an inlet pipe is fixedly connected to the surface of the composite cylinder, the inlet pipe communicating with the mixing chamber. A discharge valve pipe is fixedly connected to the bottom of the composite cylinder, the discharge valve pipe communicating with the mixing chamber. A second rotating shaft is rotatably connected inside the composite cylinder, the second rotating shaft rotates inside the drug receiving ring, the top of the second rotating shaft is fixedly connected to the bottom of the drive gear, and multiple mixing rods are fixedly connected to the surface of the second rotating shaft.

[0006] By setting up a drive structure consisting of a drive motor, a first rotating shaft, a driving gear, a driven gear, and a second rotating shaft, it can simultaneously drive four spiral drug delivery shafts to achieve stable delivery of different drug components, and also drive the mixing rod to complete the full mixing of each drug component to form a compound drug. This eliminates the need for multiple independent drive structures, effectively simplifying the overall structure of the device and reducing the design and manufacturing costs during mass production.

[0007] As a preferred embodiment, a controller is fixedly connected to the surface of the delivery cylinder, and four drug delivery chambers are opened inside the delivery cylinder.

[0008] As a preferred embodiment, the conveying cylinder is fixedly connected to the dropping ring, and a mounting bracket is fixedly connected to the top of the conveying cylinder.

[0009] As a preferred embodiment, four weighing devices are fixedly connected to the surface of the mounting frame, and each of the four weighing devices is provided with a dosing hopper on its top.

[0010] As a preferred embodiment, a drive motor is fixedly connected to the top of the conveying cylinder, and the drive motor is located inside the mounting frame.

[0011] As a preferred embodiment, the output end of the drive motor is fixedly connected to a first rotating shaft, which rotates inside the conveying cylinder.

[0012] As a preferred embodiment, a drive gear is fixedly connected to the bottom of the first rotating shaft, and the drive gear rotates inside the conveying cylinder.

[0013] As a preferred embodiment, the driving gear is surface-engaged with four driven gears, which rotate inside the conveying cylinder respectively.

[0014] As a preferred embodiment, the inner walls of the four driven gears are respectively fixedly connected with tapered brackets.

[0015] As a preferred embodiment, the tops of the four conical supports are respectively fixedly connected to spiral drug delivery shafts, and the four spiral drug delivery shafts are located inside the four drug delivery chambers.

[0016] By setting a spiral drug delivery shaft, its spiral design can achieve uniform delivery of each drug, effectively preventing accumulation and ensuring that each drug component accurately enters the composite cylinder through the drug receiving ring and drug delivery pipe; at the same time, the synchronously rotating mixing rod can fully stir each drug, effectively avoiding component stratification, realizing the function of adding drugs while stirring and mixing, and ensuring uniform mixing; in addition, the feed pipe can conveniently replenish materials during the operation of the device, adapting to the needs of batch packaging and micro-addition.

[0017] Compared with the prior art, the beneficial effects of this utility model are: This invention, by setting up a drive structure consisting of a drive motor, a first rotating shaft, a driving gear, a driven gear, and a second rotating shaft, can simultaneously drive four spiral drug delivery shafts to achieve stable delivery of different drug components, and can also drive the mixing rod to complete the full mixing of each drug component to form a compound drug. It eliminates the need for multiple independent drive structures, effectively simplifying the overall structure of the device and reducing the design and manufacturing costs during mass production.

[0018] This invention features a spiral drug delivery shaft. Its spiral design enables uniform delivery of each drug, effectively preventing accumulation and ensuring that each drug component accurately enters the composite cylinder via the drug receiving ring and drug delivery pipe. Simultaneously, the synchronously rotating mixing rod can fully stir each drug, effectively preventing component stratification and achieving the function of adding drugs while stirring and mixing, ensuring uniform mixing. In addition, the feed pipe allows for convenient replenishment of materials during device operation, adapting to the needs of batch packaging and micro-addition. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the internal cross-section of the present invention; Figure 3 This is a schematic diagram of the structure of the spiral drug delivery shaft of this utility model after an explosion; Figure 4 This is a top-view structural diagram of the hybrid rod of this utility model.

[0020] In the diagram: 1. Conveying cylinder; 2. Controller; 3. Drug delivery chamber; 4. Drug receiving ring; 5. Mounting frame; 6. Weighing device; 7. Dosing hopper; 8. Drive motor; 9. First rotating shaft; 10. Driving gear; 11. Driven gear; 12. Conical support; 13. Spiral drug delivery shaft; 14. Drug discharge pipe; 15. Composite cylinder; 16. Mixing chamber; 17. Feed pipe; 18. Discharge valve pipe; 19. Second rotating shaft; 20. Mixing rod. Detailed Implementation

[0021] The present invention will be further described below with reference to the embodiments.

[0022] The following embodiments are used to illustrate the present invention, but should not be used to limit the scope of protection of the present invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0023] Please see Figure 1-4This utility model provides a dispensing and metering device for compound drug preparations, including a conveying cylinder 1 and a drug receiving ring 4. Four drug receiving pipes 14 are fixedly connected to the bottom of the drug receiving ring 4, and a compound cylinder 15 is fixedly connected to the bottom of the four drug receiving pipes 14. A mixing chamber 16 is opened inside the compound cylinder 15. An inlet pipe 17 is fixedly connected to the surface of the compound cylinder 15, communicating with the mixing chamber 16. A discharge valve pipe 18 is fixedly connected to the bottom of the compound cylinder 15, communicating with the mixing chamber 16. A second rotating shaft 19 is rotatably connected inside the compound cylinder 15. The second rotating shaft 19 is located at the drug receiving ring. The internal rotation of ring 4, the top of the second rotating shaft 19 is fixedly connected to the bottom of the driving gear 10, and multiple mixing rods 20 are fixedly connected to the surface of the second rotating shaft 19. By setting a drive structure composed of drive motor 8, first rotating shaft 9, driving gear 10, driven gear 11 and second rotating shaft 19, it can synchronously drive four spiral drug delivery shafts 13 to achieve stable delivery of different drug components, and drive the mixing rods 20 to rotate to complete the full mixing of each drug component to form a compound drug. There is no need to equip multiple independent drive structures, which effectively simplifies the overall structure of the device and reduces the design and manufacturing costs during mass production.

[0024] A controller 2 is fixedly connected to the surface of the delivery cylinder 1, and four drug delivery chambers 3 are opened inside the delivery cylinder 1.

[0025] The conveying cylinder 1 is fixedly connected to the dropping ring 4, and the top of the conveying cylinder 1 is fixedly connected to the mounting bracket 5.

[0026] Four weighing devices 6 are fixedly connected to the surface of the mounting frame 5, and each of the four weighing devices 6 has a dosing hopper 7 on its top.

[0027] A drive motor 8 is fixedly connected to the top of the conveyor cylinder 1, and the drive motor 8 is located inside the mounting frame 5.

[0028] The output end of the drive motor 8 is fixedly connected to the first rotating shaft 9, which rotates inside the conveying cylinder 1.

[0029] The bottom of the first rotating shaft 9 is fixedly connected to the drive gear 10, which rotates inside the conveying cylinder 1.

[0030] The driving gear 10 has four driven gears 11 meshing with its surface, and the four driven gears 11 rotate inside the conveying cylinder 1 respectively.

[0031] The inner walls of the four driven gears 11 are respectively fixedly connected with tapered brackets 12.

[0032] The tops of the four conical supports 12 are respectively fixedly connected to spiral drug delivery shafts 13. The four spiral drug delivery shafts 13 are located inside the four drug delivery chambers 3. By setting the spiral drug delivery shafts 13, their spiral design can achieve uniform delivery of each drug, effectively prevent accumulation, and ensure that each drug component accurately enters the composite cylinder 15 through the drug receiving ring 4 and the drug delivery pipe 14. At the same time, the synchronously rotating mixing rod 20 can fully stir each drug, effectively avoid component stratification, realize the function of adding drugs while stirring and mixing, and ensure the uniformity of mixing. In addition, the feed pipe 17 can conveniently replenish materials during the operation of the device, which is suitable for the needs of batch packaging and micro-addition.

[0033] Working principle and usage process of this utility model: First, the components of the compound drug are poured into four dosing hoppers 7. A weighing device 6 accurately weighs the drugs and sends the data back to the controller 2. After the controller 2 confirms that the weighing is within acceptable limits, each drug is added to the drug delivery chamber 3. Simultaneously, the drive motor 8 starts, driving the drive gear 10 via the first rotating shaft 9. The drive gear 10 meshes with and drives four driven gears 11. The driven gears 11, via the conical support 12, drive the spiral drug delivery shaft 13 to rotate within the drug delivery chamber 3, conveying the weighed drugs along the delivery chamber to the drug receiving ring 4, and then... The drug delivery tube 14 leads into the mixing chamber 16 of the compound cylinder 15; on the other hand, the drive gear 10 drives the second rotating shaft 19 to rotate in the mixing chamber 16, and the mixing rod 20 on the surface of the second rotating shaft 19 fully stirs and mixes the drug to form a compound drug; after mixing, the drug can be dispensed by opening the discharge valve tube 18. If additional materials are needed, they can be added through the feed tube 17; throughout the process, the controller 2 monitors the status of each component in real time. By linking the drug metering, drug delivery and mixing links with a single power source, the compound drug can be dispensed accurately and efficiently, and the device structure can be simplified and production costs reduced.

[0034] 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 dispensing and metering device for compound drug preparations, comprising a conveying cylinder (1) and a drug receiving ring (4), characterized in that: The bottom of the drug receiving ring (4) is fixedly connected to four drug receiving pipes (14), and the bottom of the four drug receiving pipes (14) is fixedly connected to a composite cylinder (15). The interior of the composite cylinder (15) is provided with a mixing chamber (16). The surface of the composite cylinder (15) is fixedly connected to an inlet pipe (17), which communicates with the mixing chamber (16). The bottom of the composite cylinder (15) is fixedly connected to an outlet valve pipe (18), which communicates with the mixing chamber (16). The interior of the composite cylinder (15) is rotatably connected to a second rotating shaft (19), which rotates inside the drug receiving ring (4). The top of the second rotating shaft (19) is fixedly connected to the bottom of the drive gear (10), and the surface of the second rotating shaft (19) is fixedly connected to multiple mixing rods (20).

2. The dispensing and metering device for compound drug preparations according to claim 1, characterized in that: The surface of the delivery cylinder (1) is fixedly connected to a controller (2), and four drug delivery chambers (3) are opened inside the delivery cylinder (1).

3. The dispensing and metering device for compound drug preparations according to claim 2, characterized in that: The conveying cylinder (1) is fixedly connected to the drug receiving ring (4), and the top of the conveying cylinder (1) is fixedly connected to the mounting bracket (5).

4. The dispensing and metering device for compound drug preparations according to claim 3, characterized in that: Four weighing meters (6) are fixedly connected to the surface of the mounting bracket (5), and each of the four weighing meters (6) is provided with a dosing hopper (7) on its top.

5. A dispensing and metering device for compound drug preparations according to claim 3, characterized in that: The top of the conveying cylinder (1) is fixedly connected to a drive motor (8), which is located inside the mounting frame (5).

6. A dispensing and metering device for compound drug preparations according to claim 5, characterized in that: The output end of the drive motor (8) is fixedly connected to a first rotating shaft (9), which rotates inside the conveying cylinder (1).

7. A dispensing and metering device for compound drug preparations according to claim 6, characterized in that: The bottom of the first rotating shaft (9) is fixedly connected to a drive gear (10), which rotates inside the conveying cylinder (1).

8. A dispensing and metering device for compound drug preparations according to claim 7, characterized in that: The surface of the driving gear (10) is meshed with four driven gears (11), and the four driven gears (11) rotate inside the conveying cylinder (1).

9. A dispensing and metering device for compound drug preparations according to claim 8, characterized in that: The inner walls of the four driven gears (11) are respectively fixedly connected with tapered brackets (12).

10. A dispensing and metering device for compound drug preparations according to claim 9, characterized in that: The top of each of the four conical supports (12) is fixedly connected to a spiral drug delivery shaft (13), and the four spiral drug delivery shafts (13) are located inside the four drug delivery chambers (3).

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