Quantitative medicament filling device

Abstract

The utility model is applicable to the technical field of medical instruments, and provides a medicament quantitative filling device which comprises an L-shaped base, a stepping motor is arranged on one side of the L-shaped top of the base, a liquid injection pump fixing plate is arranged at the end of the L-shaped bottom of the base, a trace liquid injection pump is arranged on the liquid injection pump fixing plate in a penetrating mode, and a liquid injection pump is arranged on the trace liquid injection pump. A rotating shaft is arranged between the base and the bottom end of the liquid injection pump fixing plate, a universal shaft is connected between a transmission shaft of the stepping motor and the micro liquid injection pump, and the water inlet end and the water outlet end of the micro liquid injection pump are connected with a liquid inlet pipe and a liquid outlet pipe respectively. According to the scheme, a common peristaltic pump used by an existing medicament filling machine is replaced by the high-precision micro-filling pump, so that the filling precision of liquid is improved, and errors are reduced; a high-precision online detection flow sensor is added, the filling condition is monitored in real time, it is guaranteed that the volume of liquid filled every time meets the specified requirement, unqualified products are reduced, and the product quality is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical devices, and in particular relates to a medicament quantitative filling device. Background Art

[0002] With the development of the medical device industry, the requirements for the accuracy and production efficiency of medical device production equipment are becoming increasingly higher. In particular, during the quantitative filling of liquids for in vitro diagnostic reagents, the flow rate and volume of the filling liquid need to be precisely controlled. Therefore, it is necessary to improve the filling volume accuracy of the liquid and reduce errors. However, existing pharmaceutical filling machines use ordinary peristaltic pumps as the power source. The flow rate and volume control during the filling process are poor, the errors are large, and the filling volume cannot be detected online in real time, resulting in low product yield.

[0003] Therefore, based on the above technical problems, it is necessary for technicians in this field to improve the structure of the drug quantitative filling machine. Utility Model Content

[0004] The purpose of the utility model is to provide a quantitative medicine filling device to solve the problems in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a drug quantitative filling device, comprising a base, the base is L-shaped, a stepper motor is provided on one side of the L-shaped top of the base, an injection pump fixing plate is provided at the L-shaped bottom end of the base, a micro-injection pump is passed through the injection pump fixing plate, a rotating shaft is provided between the base and the bottom end of the injection pump fixing plate, a universal joint is connected between the drive shaft of the stepper motor and the micro-injection pump, and the water inlet and outlet ends of the micro-injection pump are respectively connected to the inlet pipe and the outlet pipe.

[0006] Preferably, an optical coupler is provided at the bottom end of the universal shaft.

[0007] Preferably, the liquid outlet pipe is connected to a flow sensor.

[0008] Preferably, a flow control micrometer is provided between the top end of the injection pump fixing plate and the L-shaped top end of the base.

[0009] Preferably, the bottom end of the injection pump fixing plate can be rotated 90° through a rotating shaft.

[0010] The utility model has at least the following beneficial effects:

[0011] (1) The utility model provides a quantitative filling device for pharmaceuticals, which replaces the ordinary peristaltic pump used in the existing pharmaceutical filling machine with a high-precision micro-filling pump, thereby improving the filling accuracy of the liquid and reducing the error;

[0012] (2) The utility model provides a quantitative filling device for pharmaceuticals, which adds a high-precision online detection flow sensor to monitor the filling situation in real time, ensuring that the volume of liquid filled each time meets the specified requirements, reducing unqualified products and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the connection structure of the liquid inlet pipe and the liquid outlet pipe in the utility model.

[0015] In the accompanying drawings: 1. stepper motor; 2. flow control micrometer; 3. micro injection pump; 4. universal joint; 5. optical coupler; 6. injection pump fixing plate; 7. rotating shaft; 8. base; 9. liquid inlet pipe; 10. liquid outlet pipe; 11. flow sensor. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0017] Example

[0018] See also Figure 1-2 The utility model provides a technical solution: a quantitative drug filling device, including a base 8, which is L-shaped, and a stepper motor 1 is provided on one side of the L-shaped top of the base 8. Specifically, the stepper motor 1 is fixedly connected to the base 8, and an injection pump fixing plate 6 is provided at the L-shaped bottom end of the base 8. The injection pump fixing plate 6 is penetrated by a micro-injection pump 3. Specifically, the micro-injection pump 3 is fixedly connected to the injection pump fixing plate 6, and a rotating shaft 7 is provided between the base 8 and the bottom end of the injection pump fixing plate 6. Specifically, the rotating shaft 7 is rotatably connected to the base 8, and the rotating shaft 7 is fixedly connected to the injection pump fixing plate 6. A universal shaft 4 is connected between the drive shaft of the stepper motor 1 and the micro-injection pump 3, and the water inlet end and the water outlet end of the micro-injection pump 3 are respectively connected to the liquid inlet pipe 9 and the liquid outlet pipe 10.

[0019] In this embodiment, the stepper motor 1 drives the micro-infusion pump 3 to rotate via the universal shaft 4 to output the liquid from the liquid inlet pipe 9 to the liquid outlet pipe 10 .

[0020] Furthermore, an optical coupler 5 is provided at the bottom end of the universal shaft 4 .

[0021] In this embodiment, an optical coupler 5 is provided to facilitate signal transmission.

[0022] Furthermore, the liquid outlet pipe 10 is connected to a flow sensor 11 .

[0023] In this embodiment, the pulsed liquid flow in the liquid outlet pipe 10 is detected in real time by the flow sensor 11 to achieve online monitoring, thereby ensuring the amount of liquid added each time and preventing the occurrence of defective products.

[0024] Furthermore, a flow control micrometer 2 is provided between the top end of the injection pump fixing plate 6 and the L-shaped top end of the base 8 .

[0025] In this embodiment, the volume and flow rate of the output liquid are controlled by a flow control micrometer 2, which can be manually rotated to adjust a specified flow rate.

[0026] Furthermore, the bottom end of the injection pump fixing plate 6 can be rotated 90 degrees through the rotating shaft 7.

[0027] In this embodiment, the convenient stepping motor 1 drives the micro-infusion pump 3 to rotate via the universal shaft 4 .

[0028] The working principle and usage process of the present invention are as follows: After the present invention is installed, the stepper motor 1 drives the micro-injection pump 3 to rotate through the universal joint 4, and outputs the liquid from the liquid inlet pipe 9 to the liquid outlet pipe 10. The volume and flow rate of the output liquid are controlled by the flow control micrometer 2. The flow control micrometer 2 can be manually rotated to adjust the specified flow rate, which can improve the volume accuracy of the injected liquid and reduce errors. At the same time, the pulse liquid flow in the liquid outlet pipe 10 is detected in real time by the flow sensor 11 to realize online monitoring, thereby ensuring the amount of liquid added each time and preventing the occurrence of unqualified products.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description. Therefore, it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[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 quantitative medicine filling device, characterized in that: The invention comprises a base (8), wherein the base (8) is arranged in an L-shape, a stepping motor (1) is provided on one side of the L-shaped top of the base (8), an injection pump fixing plate (6) is provided at the L-shaped bottom end of the base (8), a micro injection pump (3) is passed through the injection pump fixing plate (6), a rotating shaft (7) is provided between the base (8) and the bottom end of the injection pump fixing plate (6), a universal shaft (4) is connected between the transmission shaft of the stepping motor (1) and the micro injection pump (3), and the water inlet end and the water outlet end of the micro injection pump (3) are respectively connected to a liquid inlet pipe (9) and a liquid outlet pipe (10).

2. A medicament quantitative filling device according to claim 1, characterized in that: An optical coupler (5) is provided at the bottom end of the universal shaft (4).

3. The device for quantitatively adding medicine according to claim 1, characterized in that: The liquid outlet pipe (10) is connected to a flow sensor (11).

4. A medicament quantitative filling device according to claim 1, characterized in that: A flow control micrometer (2) is provided between the top end of the injection pump fixing plate (6) and the L-shaped top end of the base (8).

5. The device for quantitatively adding medicine according to claim 1, characterized in that: The bottom end of the injection pump fixing plate (6) can be rotated 90 degrees via a rotating shaft (7).

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