Pharmaceutical raw material feeding device facilitating sterilization

Abstract

The utility model relates to a pharmaceutical raw material feeding device convenient to disinfect, including spiral propeller body, cleaning component and disinfection subassembly, the central shaft of spiral propeller body is hollow shaft, one end leads out the side end cover of spiral propeller body and is equipped with first flange plate, its technical key points are: the hollow shaft is passed in and is equipped with infusion tube, the infusion tube one end is closed and is located in the hollow shaft, the other end leads out the hollow shaft and is equipped with second flange plate, the hollow shaft inner wall is connected with the infusion tube outer wall between using key joint, the infusion tube outer wall is along the axial interval and is embedded multiple groups of shower nozzles, the radial through -hole that corresponds with the shower nozzle is equipped on the hollow shaft outer wall, the first flange plate and second flange plate are connected with axial push -and -pull cylinder and return spring, and the disinfection subassembly includes the ultraviolet disinfection lamp of built -in in the conveying cylinder top of spiral propeller body. The device strengthens disinfection effect on one hand, protects cleaning component not to be eroded by pharmaceutical raw material on the other hand.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical equipment technology, specifically to a pharmaceutical raw material feeding device that facilitates sterilization. Background Technology

[0002] Pharmaceutical raw material feeding devices are automated feeding systems used in pharmaceutical equipment to replace manual feeding and significantly improve production efficiency. Therefore, the feeding device is a crucial component of a pharmaceutical granulation production line, accurately delivering raw materials to designated locations for subsequent processing. However, to ensure contamination-free products and stable quality, the pharmaceutical raw material feeding device requires thorough cleaning and disinfection before production.

[0003] For example, CN 222794431 U discloses an automatic particle feeding device, in which the lower part of the conveying cylinder is a semi-cylinder, and the top wall of the conveying cylinder directly above the semi-cylinder is a horizontal plane. The distance from the plane to the axis of the semi-cylinder is greater than the radius of the semi-cylinder, and the width of the plane is equal to the diameter of the conveying cylinder. An inlet pipe is rotatably connected to the axis of the side wall of the conveying cylinder, and a spiral blade is connected to the inlet pipe. The diameter of the spiral blade is equal to the diameter of the semi-cylinder. A nozzle is connected to the wall of the inlet pipe. A fixed plate is connected to the top wall of the conveying cylinder. Multiple protrusions are arranged in a seamless array on the fixed plate. Disinfectant is injected into the inlet pipe and sprayed out through the nozzle by diffusion and rotation to clean and disinfect the inner wall of the conveying cylinder. The disinfectant on the top wall is guided down by the protrusions to clean the spiral blade and the inlet pipe, achieving cleaning without dead corners. However, the following problems still exist: 1. The nozzle protrudes from the wall of the inlet pipe and comes into contact with the pharmaceutical raw materials during normal feeding, which is prone to corrosion with long-term use; 2. Relying solely on cleaning to clean the inside of the feeding device does not improve the disinfection effect. Utility Model Content

[0004] The purpose of this invention is to provide a pharmaceutical raw material feeding device that is structurally reasonable, reliable in use, and easy to disinfect, thereby solving the above-mentioned problems. On the one hand, it enhances the disinfection effect, and on the other hand, it protects the cleaning components from corrosion by pharmaceutical raw materials.

[0005] The technical solution of this utility model is:

[0006] A pharmaceutical raw material feeding device for easy disinfection includes a screw propeller body, a cleaning component, and a disinfection component. The central shaft of the screw propeller body is a hollow shaft. One end of the hollow shaft is connected to the motor of the screw propeller body, and the other end leads out of the side end cover of the screw propeller body and is provided with a first flange. The key technical points are: an infusion tube is inserted through the hollow shaft, one end of the infusion tube is closed and located inside the hollow shaft, and the other end leads out of the hollow shaft and is provided with a second flange. The inner wall of the hollow shaft and the outer wall of the infusion tube are connected by a flat key. Multiple sets of nozzles are embedded axially at intervals on the outer wall of the infusion tube. The outer wall of the hollow shaft is provided with radial through holes corresponding to the nozzles. An axial push-pull cylinder and a return spring are connected between the first flange and the second flange. A rotary joint is connected to the second flange end of the infusion tube. The disinfection component includes an ultraviolet disinfection lamp built into the top of the conveying cylinder of the screw propeller body.

[0007] The aforementioned pharmaceutical raw material feeding device for easy disinfection includes an axial mounting cavity at the top of the conveying cylinder of the screw propeller body. A right-angle lamp holder is provided in the axial mounting cavity, and the ultraviolet disinfection lamp is placed on the horizontal plate of the right-angle lamp holder. A push cylinder is fixed on the outer wall of the axial mounting cavity. The cylinder rod of the push cylinder is inserted into the axial mounting cavity and connected and fixed to the vertical plate of the right-angle lamp holder. An axial opening is provided on the bottom surface of the axial mounting cavity. The lamp opening of the ultraviolet disinfection lamp faces downward and is opposite to the axial opening during disinfection operation. The horizontal plate of the right-angle lamp holder blocks the axial opening when not in disinfection operation.

[0008] In the aforementioned pharmaceutical raw material feeding device that facilitates disinfection, the inner top surface of the axial mounting cavity is in close contact with the upper top surface of the upright plate of the right-angle lamp holder, and a sliding limiting block corresponding to the horizontal plate of the right-angle lamp holder is provided on the bottom surface of the axial mounting cavity. The center line of the pushing cylinder is perpendicular to the vertical plane containing the center line of the hollow shaft.

[0009] In the aforementioned pharmaceutical raw material feeding device that facilitates disinfection, the nozzles are arranged in pairs, with adjacent pairs of nozzles located on both sides of the axis of the hollow shaft.

[0010] In the aforementioned pharmaceutical raw material feeding device that facilitates disinfection, the return spring is fitted onto the outside of the infusion tube and clamped between the first flange and the second flange.

[0011] The aforementioned pharmaceutical raw material feeding device for easy sterilization has a proximity switch on the first flange and a sensor corresponding to the proximity switch on the second flange.

[0012] The beneficial effects of this utility model are:

[0013] 1. When not in a cleaning state, each nozzle is concealed within the hollow shaft, and the radial through holes are blocked by the outer wall of the infusion tube, preventing pharmaceutical raw materials from entering the hollow shaft. The nozzles are also protected from corrosion by pharmaceutical raw materials, resulting in a long service life.

[0014] 2. An ultraviolet disinfection lamp is added to enhance the disinfection effect. When not in a cleaning state, it is hidden in the axial installation cavity and will not be corroded by pharmaceutical raw materials, nor will it affect the feeding. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 yes Figure 1 Sectional view along the AA direction;

[0017] Figure 3 yes Figure 1 Enlarged view of section B in the middle. Detailed Implementation

[0018] The present invention will be described in detail with reference to the accompanying drawings.

[0019] like Figures 1-3 As shown, the pharmaceutical raw material feeding device that facilitates disinfection includes a screw propeller body, a cleaning component, and a disinfection component.

[0020] The central axis of the propeller body is a hollow shaft 6. One end of the hollow shaft 6 is connected to the motor 1 of the propeller body, and the other end leads out of the side end cover of the propeller body and is provided with a first flange 14.

[0021] An infusion tube 9 is inserted through the hollow shaft 6. One end of the infusion tube 9 is closed and located inside the hollow shaft 6, while the other end extends out of the hollow shaft 6 and is provided with a second flange 17. The inner wall of the hollow shaft 6 and the outer wall of the infusion tube are connected by a flat key 15. Multiple sets of nozzles 8 are axially spaced and embedded in the outer wall of the infusion tube 9. The outer wall of the hollow shaft 6 has radial through holes 7 corresponding to each nozzle 8. In this embodiment, the nozzles 8 are arranged in pairs, with adjacent sets of nozzles 8 located on both sides of the axis of the hollow shaft 6.

[0022] An axial push-pull cylinder 16 and a return spring 18 are connected between the first flange 14 and the second flange 17. The return spring 18 is fitted onto the outside of the infusion tube 9 and clamped between the first flange 14 and the second flange 17. A rotary joint 11 is connected to the second flange end of the infusion tube 9. A proximity switch 20 is provided on the first flange 14, and a sensor 19 corresponding to the proximity switch is provided on the second flange 17. These sensors are used to detect whether the displacement of the second flange 17 has reached a set value.

[0023] The disinfection assembly includes an ultraviolet disinfection lamp 3 built into the top of the conveying cylinder 2 of the propeller body. In this embodiment, the top of the conveying cylinder 2 of the propeller body is provided with an axial mounting cavity 13, and a right-angle lamp holder 4 is provided in the axial mounting cavity 13. The ultraviolet disinfection lamp 3 is placed on the horizontal plate of the right-angle lamp holder 4. A pusher cylinder 12 is fixed on the outer wall of the axial mounting cavity 13. The cylinder rod of the pusher cylinder 12 is inserted into the axial mounting cavity 13 and connected and fixed to the vertical plate of the right-angle lamp holder 4. The bottom surface of the axial mounting cavity 13 is provided with an axial opening 5. The lamp opening of the ultraviolet disinfection lamp 3 faces downward and is opposite to the axial opening 5 during disinfection operation. The horizontal plate of the right-angle lamp holder 4 blocks the axial opening 5 when not in disinfection operation. The inner top surface of the axial mounting cavity 13 is in close contact with the upper surface of the vertical plate of the right-angle lamp holder 4. The bottom surface of the axial mounting cavity 13 is provided with a sliding limit block 10 corresponding to the horizontal plate of the right-angle lamp holder 4. The center line of the pusher cylinder 12 is perpendicular to the vertical plane containing the center line of the hollow shaft 6.

[0024] Working principle:

[0025] 1. When cleaning is required, the axial push-pull cylinder 16 retracts the cylinder rod, causing the infusion pipe 9 to move axially within the hollow shaft 6, so that the originally misaligned radial through holes 7 correspond to the nozzle 8. The cleaning fluid is sprayed into the interior of the screw propeller body through the rotary joint 11, infusion pipe 9, nozzle 8 and each radial through hole 7. With the assistance of the rotation of the hollow shaft 6, rotational cleaning is achieved, resulting in a good cleaning effect.

[0026] 2. After the cleaning operation is completed, the cylinder rod of the axial push-pull cylinder 16 is reset. Under the action of the reset spring 18, the infusion tube 9 is displaced in the opposite direction in the hollow shaft 6, and the radial through hole 7 and the nozzle 8 return to the misaligned state. The nozzle 8 is then stored and protected.

[0027] 3. The cylinder rod of the push cylinder 12 retracts, driving the right-angle lamp holder 4 to move, so that the lamp mouth of the ultraviolet disinfection lamp 3 reaches above the axial opening 5, the power is turned on, and the light is diffused into the inside of the conveying cylinder 2 to disinfect the various components inside the conveying cylinder 2.

[0028] 4. After the disinfection is completed within the set time, the cylinder rod of the push cylinder 12 is reset, the horizontal plate of the right-angle lamp holder 4 blocks the axial passage 5, and the ultraviolet disinfection lamp 3 is stored and protected.

[0029] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and should not be considered as limiting the scope of implementation of this utility model. All equivalent changes and improvements made within the scope of this utility model should still fall within the scope of this utility model.

Claims

1. A pharmaceutical raw material feeding device for easy disinfection, comprising a screw propeller body, a cleaning component, and a disinfection component, wherein the central shaft of the screw propeller body is a hollow shaft, one end of the hollow shaft is connected to a motor of the screw propeller body, and the other end extends out of the side end cover of the screw propeller body and is provided with a first flange, characterized in that: An infusion tube is inserted through the hollow shaft. One end of the infusion tube is closed and located inside the hollow shaft, while the other end extends out of the hollow shaft and is provided with a second flange. The inner wall of the hollow shaft and the outer wall of the infusion tube are connected by a flat key. Multiple sets of nozzles are axially spaced and embedded in the outer wall of the infusion tube. The outer wall of the hollow shaft is provided with radial through holes corresponding to the nozzles. An axial push-pull cylinder and a return spring are connected between the first flange and the second flange. A rotary joint is connected to the second flange end of the infusion tube. The disinfection assembly includes an ultraviolet disinfection lamp built into the top of the delivery cylinder of the screw propeller body.

2. The pharmaceutical raw material feeding device for easy disinfection according to claim 1, characterized in that: The top of the conveying cylinder of the propeller body is provided with an axial mounting cavity, and a right-angle lamp holder is provided in the axial mounting cavity. The ultraviolet disinfection lamp is placed on the horizontal plate of the right-angle lamp holder. A push cylinder is fixed on the outer wall of the axial mounting cavity. The cylinder rod of the push cylinder is inserted into the axial mounting cavity and connected and fixed to the vertical plate of the right-angle lamp holder. The bottom surface of the axial mounting cavity is provided with an axial opening. The lamp opening of the ultraviolet disinfection lamp faces downward and is opposite to the axial opening during disinfection operation. The horizontal plate of the right-angle lamp holder blocks the axial opening when not in disinfection operation.

3. The pharmaceutical raw material feeding device for easy disinfection according to claim 2, characterized in that: The inner top surface of the axial mounting cavity is in close contact with the upper top surface of the upright plate of the right-angle lamp holder. The bottom surface of the axial mounting cavity is provided with a sliding limiting block corresponding to the horizontal plate of the right-angle lamp holder. The center line of the push cylinder is perpendicular to the vertical plane containing the center line of the hollow shaft.

4. The pharmaceutical raw material feeding device for easy disinfection according to claim 1, characterized in that: The nozzles are arranged in pairs, with adjacent pairs of nozzles located on both sides of the axis of the hollow shaft.

5. The pharmaceutical raw material feeding device for easy disinfection according to claim 1, characterized in that: The reset spring is fitted onto the outside of the infusion tube and is clamped between the first flange and the second flange.

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