High-viscosity injection filling device

Abstract

The utility model relates to a high-viscosity injection filling device, which belongs to the technical field of medicine filling and comprises a frame driving component, a raw material injection driving component and an injector type raw material bin component. A lifting sliding block on the rack driving assembly is connected with the rack, the raw material injection driving assembly is fixed to the rack, a lifting sliding block of the raw material injection driving assembly is connected with a screw driving motor, and the screw driving motor is in transmission connection with a screw. A screw cavity is further fixed to the rack, and the screw is movably arranged in the screw cavity. The screw cavity is communicated with the injector type raw material bin assembly; injection is added into the screw cavity through the injector type raw material bin assembly, the screw is driven by the screw driving motor to compress and exhaust the injection, and meanwhile filling operation is completed through cooperation of the rack driving assembly and the raw material injection driving assembly. The high-viscosity injection filling device has large filling driving force, and meanwhile, the filling precision and stability of high-viscosity injections are improved through the cooperation of the multiple motors and the screw rods.

Description

Technical Field

[0001] The utility model relates to a high-viscosity injection filling device, belonging to the technical field of medicine filling. Background Art

[0002] High-viscosity injections are pharmaceutical preparations with relatively high viscosity, widely used in clinical treatments. They offer advantages such as prolonged duration of action, high bioavailability, and a high dosing frequency. Production of high-viscosity injections requires filling equipment. Due to their high viscosity and poor flow, existing filling equipment suffers from insufficient driving force, low filling accuracy, and poor stability. Utility Model Content

[0003] In view of the above deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a high-viscosity injection filling device with a large filling driving force, which can improve the filling accuracy and stability of the high-viscosity injection.

[0004] The high-viscosity injection filling device described in the utility model includes a frame drive assembly, a raw material injection drive assembly and a syringe-type raw material bin assembly; the lifting slider on the frame drive assembly is connected to the frame and can drive the frame to rise and fall, the raw material injection drive assembly is fixed to the frame, the lifting slider of the raw material injection drive assembly is connected to the screw drive motor and can drive the screw drive motor to rise and fall, and the screw drive motor is connected to the screw transmission; a screw cavity is also fixed on the frame, and the screw is movably arranged in the screw cavity; the screw cavity is connected to the syringe-type raw material bin assembly.

[0005] The technical solution of the utility model is to provide a high-viscosity injection filling device, in which the injection is added to the screw cavity through a syringe-type raw material bin assembly, the screw drive motor drives the screw to compress and exhaust the injection, and the filling operation is completed by the cooperation of the frame drive assembly and the raw material injection drive assembly.

[0006] Preferably, a frame drive motor is provided on the top of the frame drive assembly, the frame drive motor is connected to the frame drive screw, and the lifting slider of the frame drive assembly is connected to the frame drive screw.

[0007] Preferably, a raw material injection drive motor is provided on the top of the raw material injection drive assembly, the raw material injection drive motor is connected to the raw material injection drive screw, and the lifting slider of the raw material injection drive assembly is connected to the raw material injection drive screw.

[0008] Preferably, the syringe-type raw material bin assembly includes a raw material bin, a detachable raw material bin cover is provided on the top of the raw material bin, an air pipe joint is provided on the raw material bin cover, the air pipe joint is connected to the air pressure regulating valve through a hose, and a movable rubber piston is provided in the raw material bin; air is blown into the raw material bin through the air pipe joint to increase pressure, pushing the movable rubber piston downward to deliver the injection into the screw cavity.

[0009] Preferably, a filling tube is installed at the bottom of the screw cavity, and the injection in the screw cavity enters the prefilled syringe through the filling tube.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] The high-viscosity injection filling device described in the utility model adds the injection into the screw cavity through the syringe-type raw material bin assembly, and the screw drive motor drives the screw to compress and exhaust the injection, and the filling operation is completed by the cooperation of the frame drive assembly and the raw material injection drive assembly; the utility model drives the screw through the motor, has a large filling driving force, and at the same time, through the cooperation of multiple motors and screws, improves the filling accuracy and stability of high-viscosity injections. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the present utility model.

[0013] In the figure: 1. Frame drive motor; 2. Raw material injection drive screw; 3. Frame drive screw; 4. Frame; 5. Filling tube; 6. Prefilled syringe; 7. Screw cavity; 8. Screw; 9. Raw material bin; 10. Movable rubber piston; 11. Air pressure regulating valve; 12. Raw material bin cover; 13. Screw drive motor; 14. Raw material injection drive motor. DETAILED DESCRIPTION

[0014] like Figure 1 As shown, this embodiment is implemented through the following technical solutions: it includes a frame drive assembly, a raw material injection drive assembly and a syringe-type raw material bin assembly; the lifting slider on the frame drive assembly is connected to the frame 4, which can drive the frame 4 to move up and down, the raw material injection drive assembly is fixed on the frame 4, and the lifting slider of the raw material injection drive assembly is connected to the screw drive motor 13, which can drive the screw drive motor 13 to move up and down, and the screw drive motor 13 is connected to the screw 8 in a transmission manner; a screw cavity 7 is also fixed on the frame 4, and the screw 8 is movably arranged in the screw cavity 7; the screw cavity 7 is connected to the syringe-type raw material bin assembly.

[0015] In this embodiment, a frame drive motor 1 is provided on the top of the frame drive assembly, which is in transmission connection with the frame drive screw 3, and a lifting slide block of the frame drive assembly is in transmission connection with the frame drive screw 3. A raw material injection drive motor 14 is provided on the top of the raw material injection drive assembly, which is in transmission connection with the raw material injection drive screw 2, and a lifting slide block of the raw material injection drive assembly is in transmission connection with the raw material injection drive screw 2.

[0016] The syringe-type raw material bin assembly includes a raw material bin 9, with a removable raw material bin cover 12 at the top. The cover 12 is equipped with an air pipe connector, which is connected to an air pressure regulating valve 11 via a hose. A movable rubber piston 10 is provided in the raw material bin 9. Air is blown into the raw material bin 9 through the air pipe connector to increase pressure, pushing the movable rubber piston 10 downward and delivering the injection into the screw chamber 7. A filling tube 5 is installed at the bottom of the screw chamber 7, through which the injection in the screw chamber 7 enters the prefilled syringe 6.

[0017] The working process of this utility model is:

[0018] 1. Add the injection into the raw material bin 9 and install the movable rubber piston 10 and the raw material bin cover 12;

[0019] 2. The air pressure regulating valve 11 works, pushing the movable rubber piston 10 downward and sending the injection into the screw cavity 7;

[0020] 3. The screw drive motor 13 starts to operate, driving the screw 8 to rotate, compressing and exhausting the injection, and pushing it to the filling tube 5 for injection and filling operation;

[0021] 4. During the injection filling process, the raw material injection drive motor 14 drives the screw 8 downward to pressurize the injection filling and inject the medicine.

[0022] 5. The frame drive motor is responsible for driving the frame to move upward and drive the filling tube upward, coordinating with the filling operation to achieve canning while the filling tube moves upward.

Claims

1. A high viscosity injection filling device, characterized in that: The invention comprises a frame drive assembly, a raw material injection drive assembly and a syringe-type raw material bin assembly; a lifting slide block on the frame drive assembly is connected to a frame (4), the raw material injection drive assembly is fixed on the frame (4), the lifting slide block of the raw material injection drive assembly is connected to a screw drive motor (13), and the screw drive motor (13) is transmission-connected to a screw (8); a screw cavity (7) is fixed on the frame (4), and the screw (8) is movably arranged in the screw cavity (7); and the screw cavity (7) is communicated with the syringe-type raw material bin assembly.

2. The high viscosity injection filling device according to claim 1, characterized in that: A frame drive motor (1) is provided on the top of the frame drive assembly. The frame drive motor (1) is in transmission connection with the frame drive screw (3). The lifting slide block of the frame drive assembly is in transmission connection with the frame drive screw (3).

3. The high viscosity injection filling device according to claim 1, characterized in that: A raw material injection drive motor (14) is provided on the top of the raw material injection drive assembly, the raw material injection drive motor (14) is transmission-connected to the raw material injection drive screw (2), and the lifting slider of the raw material injection drive assembly is transmission-connected to the raw material injection drive screw (2).

4. The high viscosity injection filling device according to claim 1, characterized in that: The syringe-type raw material bin assembly comprises a raw material bin (9), a detachable raw material bin cover (12) is provided on the top of the raw material bin (9), an air pipe joint is provided on the raw material bin cover (12), and the air pipe joint is connected to an air pressure regulating valve (11) through a hose, and a movable rubber piston (10) is provided in the raw material bin (9).

5. The high viscosity injection filling device according to claim 1, characterized in that: A filling tube (5) is installed at the bottom of the screw cavity (7), and the injection in the screw cavity (7) enters the pre-filled syringe (6) through the filling tube (5).

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