A pharmaceutical production detection device

Abstract

The present application relates to a kind of drug production detection devices, to the bottled drug carries out airtightness detection, the device includes base, arc rod, positioning seat, electric telescopic rod and isolator cover, its core is in isolator cover inside and is provided with a set of air curtain generation mechanism, the mechanism is formed by multiple arc-shaped plates, organ plate connected adjacent arc-shaped plate and a top sealing cover, form a adjustable diameter annular cavity, by adjusting motor drive screw and connecting rod mechanism, the position of all arc-shaped plates can be changed simultaneously, to adapt to different size medicine bottle.External gas supply is supplied to the cavity by the air inlet pipe on the sealing cover, when detecting, the back pressure change of air curtain area is monitored by pressure sensor installed in positioning seat, when bottle mouth is sealed well, pressure is stable, when there is leakage, pressure drops, according to this to judge airtightness;The device effectively isolates external interference, realizes non-contact detection, and has the advantage of fast adjustment.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, and in particular to a drug production testing device. Background Technology

[0002] In the pharmaceutical production process, after the medicine bottles are filled and sealed, they need to undergo airtightness testing. This is a key step to ensure the stability of the quality of the medicine and prevent deterioration during storage and transportation.

[0003] Currently, some commonly used testing methods in the industry employ negative pressure suction nozzles that directly adsorb onto the bottle opening for testing. Although widely used, these methods involve contact between the suction nozzle and the bottle opening, which can lead to wear and tear over time, potentially affecting the consistency of the tests. Furthermore, the process of changing or adjusting the testing fixtures for different specifications and bottle opening sizes of pharmaceuticals is often cumbersome, impacting the continuous operation efficiency of the production line. In addition, the airtightness of some testing environments is susceptible to interference from external airflow, which may introduce uncertainties into the accuracy of the test results.

[0004] Therefore, there is a need for a non-contact or weak-contact detection method that can quickly adapt to different bottle types and has stronger anti-interference capabilities to improve the reliability and overall efficiency of detection. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing pharmaceutical production testing devices, where the process of changing or adjusting testing fixtures for drugs of different specifications and bottle opening sizes is often cumbersome and can affect the continuous operation efficiency of the production line. Therefore, this invention proposes a pharmaceutical production testing device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A pharmaceutical production testing device includes a base, an arc-shaped rod fixedly disposed on the top of the base, and a positioning seat for placing a bottle of pharmaceuticals to be tested fixedly disposed on the top of the base. An electric telescopic rod is fixedly disposed on the top of the arc-shaped rod, and an isolation cover for isolating external air interference is fixedly disposed at the bottom of the output shaft of the electric telescopic rod. A sealing gasket is fixedly disposed at the bottom of the isolation cover.

[0008] An air curtain generating mechanism is disposed inside the isolation hood and is used to generate a stable, detectable air curtain when the medicine bottle is well airtight.

[0009] Furthermore, the air curtain generating mechanism includes multiple arc-shaped plates arranged in a ring inside the isolation cover. The same accordion plate is fixed on the side of two adjacent arc-shaped plates that are close to each other. The top of the multiple arc-shaped plates and the multiple accordion plates is fixed with the same sealing cover for sealing. The bottom of the sealing cover is made of stretchable rubber material. The multiple arc-shaped plates, the multiple accordion plates and the sealing cover form a space to accommodate the medicine bottle to be tested. The top of the sealing cover is made of rigid material, and an air inlet pipe connected to an external air source is installed through the top of the sealing cover.

[0010] Furthermore, multiple mounting seats arranged in a ring are fixed on the side wall of the isolation cover, and each mounting seat has a connecting rod with its end fixed to the outer side of the corresponding arc-shaped plate.

[0011] Furthermore, an adjusting motor is fixedly mounted on the top inner wall of the isolation cover, and a screw is coaxially fixedly mounted on the bottom of the output shaft of the adjusting motor. An internal threaded ring is threadedly connected to the outer side of the screw, and multiple L-shaped rods arranged in a ring are fixedly mounted on the outer side of the internal threaded ring. The multiple L-shaped rods are movably connected to the top of their corresponding connecting rods through a movable shaft and a crank.

[0012] Furthermore, an L-shaped pressure measuring tube is fixedly installed through the positioning seat, and a highly sensitive piezoresistive pressure sensor for monitoring air pressure is fixedly installed inside the pressure measuring tube. The pressure measuring tube senses the back pressure of the area covered by the air curtain.

[0013] Furthermore, inclined guide plates are fixed on the inner walls of the multiple arc-shaped plates. After the air enters, it does not rush directly to the outlet, but rotates and buffers along the cavity, which can initially equalize the pressure.

[0014] In this utility model, the pharmaceutical production testing device uses a stable air curtain formed inside the isolation hood as the testing medium to achieve non-contact testing with the bottle mouth, avoiding physical wear or indentation on the bottle mouth sealing surface. This is especially effective for pharmaceuticals with strict requirements on packaging appearance, ensuring the final product quality.

[0015] The device has an annular cavity inside, consisting of an arc plate, a bellows plate, and a sealing cap. Its diameter can be flexibly adjusted by adjusting the motor, screw, and linkage mechanism. This feature allows the operator to quickly adapt the device by simply controlling it when switching between medicine bottles of different diameters without having to replace mechanical parts. This significantly reduces downtime for adjustment and helps improve the overall efficiency of the production line.

[0016] When the electric telescopic rod drives the isolation cover to descend, the sealing gasket at its bottom fits tightly with the positioning seat, thus forming a detection space isolated from the workshop environment. This relatively enclosed environment can effectively shield the external airflow from interference with the detection airflow, providing a stable monitoring condition for the pressure sensor, thereby improving the accuracy and reliability of the detection readings. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of a pharmaceutical production testing device proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the isolation cover of a pharmaceutical production testing device proposed in this utility model;

[0019] Figure 3 This is a schematic diagram of the separated state structure of the bellows plate and the arc plate of the pharmaceutical production testing device proposed in this utility model;

[0020] Figure 4 This is a schematic diagram of the screw and internal threaded ring in a separated state of a pharmaceutical production testing device proposed in this utility model;

[0021] Figure 5 This utility model proposes a drug production testing device. Figure 2 Enlarged schematic diagram of part A in the middle.

[0022] In the diagram: 1. Base; 2. Arc-shaped rod; 3. Positioning seat; 4. Electric telescopic rod; 5. Isolation cover; 6. Sealing gasket; 7. Adjusting motor; 8. Screw; 9. Internal threaded ring; 10. L-shaped rod; 11. Crank; 12. Mounting seat; 13. Arc-shaped plate; 14. Bellows plate; 15. Sealing cover; 16. Deflector plate; 17. Intake pipe. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] In one embodiment

[0025] Reference Figure 1-5 The specific implementation of a drug production testing device is as follows. This device is mainly used to check the airtightness of the bottle opening after the drug has been bottled to ensure the integrity of the packaging.

[0026] The base 1 of the device is fixed on the workbench. An arc-shaped rod 2 is erected on one side of the top of the base, and a positioning seat 3 is installed on the other side for placing the medicine bottle to be tested. An electric telescopic rod 4 is installed at the top of the arc-shaped rod 2. Its output shaft is vertical. When testing is required, the electric telescopic rod 4 extends downward, driving the isolation cover 5 at its end to descend until the sealing gasket 6 at the bottom of the isolation cover is tightly fitted with the upper surface of the positioning seat 3, thereby forming a space isolated from the external environment during testing.

[0027] The isolation enclosure 5 is equipped with an air curtain generation mechanism. The core of this mechanism consists of multiple arc-shaped plates 13 arranged in a ring. Adjacent arc-shaped plates 13 are connected by accordion plates 14. The flexibility of the accordion plates 14 allows the entire ring structure to expand and contract. The tops of all arc-shaped plates 13 and accordion plates 14 are fixed together on a sealing cover 15. The lower part of the sealing cover 15 is made of stretchable rubber, while the upper part is made of rigid material to ensure structural strength. An air inlet pipe 17 is sealed through the top of the sealing cover 15 for connecting to an external air source.

[0028] Multiple mounting seats 12 arranged in a ring are fixed inside the side wall of the isolation cover 5. A connecting rod is slidably mounted on each mounting seat 12. The inner ends of these connecting rods are connected to the outer side of the corresponding arc-shaped plate 13. An adjusting motor 7 is installed on the top inner wall of the isolation cover 5. Its output shaft is connected to a vertically downward screw 8. An internal threaded ring 9 is fitted on the screw 8. Multiple L-shaped rods 10 arranged in a ring are fixed around the internal threaded ring 9. Each L-shaped rod 10 is movably connected to the top of the corresponding connecting rod through a movable shaft and a crank 11.

[0029] When the diameter of the detection ring needs to be adjusted, the regulating motor 7 starts and drives the screw 8 to rotate, which drives the internal thread ring 9 to move up and down along the screw. Through the transmission of the L-shaped rod 10 and the crank 11, all connecting rods are driven to move radially synchronously in the mounting base 12, thereby pushing the annular structure composed of multiple arc plates 13 to expand or contract synchronously to adapt to medicine bottles of different diameters.

[0030] An L-shaped pressure measuring tube is fixed through the positioning base 3. The tube contains a high-sensitivity piezoresistive pressure sensor to monitor the back pressure changes in the area covered by the air curtain.

[0031] An inclined guide plate 16 is also fixed on the inner wall of each arc plate 13. These guide plates can cause the incoming airflow to rotate and buffer along the cavity, playing a preliminary role in equalizing pressure.

[0032] During operation, the medicine bottle to be tested is first placed on the positioning seat 3. The position of the arc-shaped plate 13 is adjusted according to the bottle diameter to form a suitable annular space. The electric telescopic rod 4 is activated to lower and seal the isolation cover 5. An external air source supplies air into the formed annular cavity through the air inlet pipe 17. After being guided by the guide plate 16, the airflow forms a uniform downward air curtain around the bottle opening. If the bottle opening is properly sealed, the pressure in the air curtain area remains stable; if leakage occurs, the pressure will drop significantly. The pressure sensor monitors the back pressure in this area in real time and transmits the data to the control system for judgment.

[0033] This structure can effectively isolate external air interference, adapt to different sizes of medicine bottles through mechanical adjustment, and achieve reliable airtightness detection by using a stable air curtain and back pressure monitoring. The entire device is compact, easy to operate, and suitable for continuous use on pharmaceutical production lines.

[0034] However, as is well known to those skilled in the art, the working principles and wiring methods of the electric telescopic rod 4, sealing gasket 6, crank 11, sealing cover 15, deflector 16 and bellows plate 14 are all conventional means or common knowledge, and will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A pharmaceutical production testing device, used to test the airtightness of pharmaceuticals after bottling, characterized in that, Includes a base (1), an arc-shaped rod (2) is fixedly provided on the top of the base (1), and a positioning seat (3) for placing the medicine bottle to be tested is fixedly provided on the top of the base (1). An electric telescopic rod (4) is fixedly provided on the top of the arc-shaped rod (2). An isolation cover (5) for isolating external air interference is fixedly provided at the bottom of the output shaft of the electric telescopic rod (4). A sealing gasket (6) is fixedly provided at the bottom of the isolation cover (5). An air curtain generating mechanism is disposed inside the isolation cover (5) and is used to generate a stable air curtain that can be detected when the medicine bottle is well airtight.

2. The pharmaceutical production testing device according to claim 1, characterized in that, The air curtain generating mechanism includes multiple arc-shaped plates (13) arranged in a ring inside the isolation cover (5). Two adjacent arc-shaped plates (13) are fixed with the same bellows plate (14) on their side. The top of the multiple arc-shaped plates (13) and the multiple bellows plates (14) are fixed with the same sealing cover (15) for sealing. The bottom of the sealing cover (15) is made of stretchable rubber material. The multiple arc-shaped plates (13), the multiple bellows plates (14) and the sealing cover (15) form a space to accommodate the medicine bottle to be tested. The top of the sealing cover (15) is made of rigid material. The top of the sealing cover (15) is sealed and penetrated by an air inlet pipe (17) connected to an external air source.

3. The pharmaceutical production testing device according to claim 2, characterized in that, The isolation cover (5) has multiple mounting seats (12) arranged in a ring on its side wall. Each mounting seat (12) has a connecting rod with its end fixed to the outside of the arc plate (13) and corresponding to it.

4. The pharmaceutical production testing device according to claim 3, characterized in that, An adjusting motor (7) is fixedly installed on the top inner wall of the isolation cover (5). A screw (8) is fixedly installed coaxially at the bottom of the output shaft of the adjusting motor (7). An internal threaded ring (9) is threadedly connected to the outside of the screw (8). Multiple L-shaped rods (10) arranged in a ring are fixedly installed on the outside of the internal threaded ring (9). The multiple L-shaped rods (10) are movably connected to the top of their corresponding connecting rods through a movable shaft and a crank (11).

5. A pharmaceutical production testing device according to claim 1, characterized in that, The positioning seat (3) is fixedly provided with an L-shaped pressure measuring tube, and a high-sensitivity piezoresistive pressure sensor for monitoring air pressure is fixedly provided inside the pressure measuring tube. The pressure measuring tube senses the back pressure of the area covered by the air curtain.

6. The pharmaceutical production testing device according to claim 2, characterized in that, Each of the multiple arc-shaped plates (13) has an inclined guide plate (16) fixed on its inner wall. After the air enters, it does not rush directly to the outlet, but rotates and buffers along the cavity, which can initially equalize the pressure.

Images