Sealing device for transmission port of sterile workshop

Abstract

The utility model provides a sealing device for a transmission port of a sterile workshop, and relates to the technical field of sterile workshops, the transmission port is arranged on the surface of a wall body of the sterile workshop, a mounting plate is mounted on the surface of the outer side of the wall body of the sterile workshop, an electric push rod is vertically mounted on the surface of the bottom end of the mounting plate, and a bottom plate is mounted at the output end of the electric push rod. The electric push rod drives the closing plate to achieve automatic opening and closing, and the distance between materials on the conveying mechanism and a conveying opening can be monitored in real time in cooperation with the first infrared distance meter installed on the surface of the closing plate. When the materials approach the conveying port, the first infrared distance meter feeds signals back to the controller in advance, the controller controls the electric push rod to act in time, the conveying port is opened before the materials arrive, conveying stagnation caused by waiting for opening of the conveying port is avoided, and the material conveying efficiency is greatly improved. Meanwhile, manual operation is reduced, labor intensity and labor cost are effectively reduced, and efficient guarantee is provided for large-scale production.

Description

Technical Field

[0001] This utility model relates to the field of aseptic workshop technology, and in particular to a sealing device for the transfer port of an aseptic workshop. Background Technology

[0002] Pharmaceutical manufacturing places extremely stringent requirements on the sterilization and disinfection of equipment and the environment used for processing products. Each stage of the process has specific cleanliness requirements. Currently, in production, when transferring materials into or between sterile workshops, the transfer openings for vials must be minimized to prevent cross-contamination and maintain the sterile environment. Contamination of the sterile workshop environment necessitates production shutdown for cleaning and disinfection, severely impacting production. However, in practice, there are no suitable or matching devices for convenient and timely sealing or opening of transfer openings in sterile workshops. This creates a risk of contamination and disrupts production.

[0003] Extensive research revealed existing technologies, such as the sealing device for a transfer port in a sterile workshop (application number CN201520111864.0). This invention achieves the closing and opening of the transfer port by moving a movable sealing plate up and down. However, in actual operation, this device requires manual operation, meaning that dedicated personnel are needed for this task. This undoubtedly increases the workload of workers and, to some extent, affects work efficiency. Considering production costs and the need for efficient production, this reliance on manual operation is not conducive to large-scale promotion and application. Therefore, to further improve the practicality and convenience of the sealing device for the transfer port in a sterile workshop, reduce labor costs, and improve overall production efficiency, it is essential to improve this device.

[0004] Therefore, it is necessary to provide a sealing device for the transfer port of the sterile workshop to solve the above-mentioned technical problems. Utility Model Content

[0005] This invention provides a sealing device for the transfer port of a sterile workshop, which solves the problems in the background art.

[0006] To solve the above-mentioned technical problems, this utility model provides a sealing device for the transfer port of a sterile workshop, including a sterile workshop wall and a conveyor frame. The surface of the sterile workshop wall has a transfer port, serving as a channel for materials to enter and exit the sterile workshop. An installation plate is mounted on its outer surface, providing a mounting base for subsequent components. An electric push rod is vertically mounted on the bottom surface of the installation plate, with its output end connected to a base plate. The extension and retraction of the electric push rod drives the base plate to move up and down. A sealing plate is vertically mounted at the edge of the top surface of the base plate. When the base plate moves, it drives the sealing plate to move synchronously, thereby realizing the sealing and opening operation of the transfer port. The cross-sectional area of ​​the sealing plate is intentionally designed to be larger than that of the transfer port, completely covering the transfer port and ensuring a sealing effect. The surface of the sealing plate is in contact with the sterile workshop wall. A first infrared rangefinder is installed in the middle of the sealing plate surface to monitor the distance between the material and the sealing plate, providing the controller with a signal indicating that the material is approaching the transfer port.

[0007] Preferably, a mounting groove is provided in the middle of the bottom surface of the base plate, and a second infrared rangefinder is embedded in the mounting groove. The second infrared rangefinder can detect whether the material has completely passed through the transmission port and feed the signal back to the controller so that the controller can control the electric push rod to move, thereby achieving precise control of the opening and closing of the transmission port.

[0008] Preferably, the conveyor rack is installed on one side of the wall of the sterile workshop, and a conveying mechanism is installed inside it. The conveying mechanism is driven by a motor to transport materials via a conveyor belt. It works in conjunction with the enclosed device to complete the transfer of materials between or into the sterile workshop. During the entire material transfer process, it cooperates with other components to ensure efficient and safe transfer.

[0009] Preferably, the surface of the aseptic workshop wall is provided with slide rails on both sides of the transmission port, and the slider installed on the surface of the sealing plate is slidably connected to the slide rails. This structural design allows the sealing plate to move smoothly up and down along the slide rails under the drive of the electric push rod, thereby accurately closing or opening the transmission port and avoiding the impact of shaking and other problems on the sealing effect and the stability of equipment operation.

[0010] Preferably, the key design feature of the sealing plate having a cross-sectional area larger than that of the transmission port ensures that the sealing plate can completely cover the transmission port when it descends, forming a good seal and effectively preventing external contaminants from entering the sterile workshop, thus maintaining the sterile environment of the workshop.

[0011] Preferably, two electric push rods are installed, symmetrically mounted on the top surface of the base plate, and synchronized via a frequency converter. This design ensures uniform force distribution and smooth movement of the enclosure plate during lifting, avoiding problems such as tilting or jamming caused by uneven force distribution, thus improving the reliability and stability of the equipment operation.

[0012] Preferably, a controller is installed on the surface of the wall of the sterile workshop. The controller is electrically connected to the electric push rod, the frequency coordinator, the first infrared rangefinder, the second infrared rangefinder, and the conveying mechanism. It is responsible for receiving signals from each infrared rangefinder and controlling the electric push rod, the frequency coordinator, and the conveying mechanism to achieve coordinated operation between the components. This enables the entire enclosed device to automatically and accurately complete the closing and opening of the transmission port according to the actual material transmission situation.

[0013] Compared with related technologies, the sealing device for the aseptic workshop transfer port provided by this utility model has the following beneficial effects:

[0014] Compared to existing technologies, the electric actuator drives the sealing plate to achieve automated opening and closing. Combined with a first infrared rangefinder mounted on the surface of the sealing plate, it can monitor the distance between the material on the conveying mechanism and the transmission port in real time. When the material approaches the transmission port, the first infrared rangefinder sends a signal to the controller in advance. The controller then promptly controls the electric actuator to open the transmission port before the material arrives, avoiding conveying stagnation caused by waiting for the port to open and greatly improving material transfer efficiency. Simultaneously, it reduces manual operation, effectively lowering labor intensity and labor costs, providing a high-efficiency guarantee for large-scale production.

[0015] Compared to existing technologies, the second infrared rangefinder embedded at the bottom of the base plate can monitor material transport in real time. During material transport, it can accurately determine whether the material has completely passed through the transport port, preventing material damage due to premature closure of the transport port or external contamination caused by delayed closure. This further ensures the sterile environment of the sterile workshop and improves production safety and reliability.

[0016] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0017] Figure 1 A schematic diagram of the structure of the sealing device for the aseptic workshop transfer port provided by this utility model;

[0018] Figure 2 A schematic diagram of the sealing plate structure of the sealing device for the aseptic workshop transfer port provided by this utility model;

[0019] Figure 3 A schematic diagram of the second infrared rangefinder structure of the sealing device for the aseptic workshop transfer port provided by this utility model;

[0020] Figure 4 A schematic diagram of the slider structure of the sealing device for the aseptic workshop transfer port provided by this utility model;

[0021] Figure 5A schematic diagram of the transmission port structure of the sealing device for the transmission port of the sterile workshop provided by this utility model.

[0022] Numbered in the diagram: 1. Aseptic workshop wall; 2. Enclosure panel; 3. Electric push rod; 4. Mounting plate; 5. Controller; 6. Base plate; 7. Conveyor frame; 8. Conveying mechanism; 9. First infrared rangefinder; 10. Slider; 11. Mounting groove; 12. Second infrared rangefinder; 13. Transmission port; 14. Slide rail. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Example 1

[0025] Please refer to the following: Figure 1-5 The aseptic workshop transfer port 13 sealing device includes an aseptic workshop wall 1 and a conveyor frame 7. The aseptic workshop wall 1 serves as the basic installation carrier for the entire device, and its surface is pre-precisely cut with a transfer port 13. The size of the transfer port 13 is strictly adapted to the material conveying requirements, serving as the necessary channel for materials to enter and exit the aseptic workshop. A mounting plate 4 is fixedly installed on the outer surface of the wall with high-strength bolts. This bolt connection method provides reliable fixing strength and a stable installation foundation for subsequent components. An electric push rod 3 is vertically welded to the bottom surface of the mounting plate 4. The output end of the electric push rod 3 is bolted to the base plate 6 through a flange. The motor inside the electric push rod 3 drives the screw nut mechanism to realize the extension and retraction of the output end, thereby driving the base plate 6 to move up and down. A sealing plate 2 is vertically installed at the edge of the top surface of the base plate 6 using a welding process. This welding method ensures a firm connection between the base plate 6 and the sealing plate 2. When the base plate 6 moves, it can drive the sealing plate 2 to move synchronously, thereby realizing the closing and opening operation of the transfer port 13 by the sealing plate 2. Furthermore, the cross-sectional area of ​​the sealing plate 2 is intentionally designed to be larger than that of the transmission port 13. When the sealing plate 2 descends to fit against the wall, it can completely cover the transmission port 13. Through the tight fit between the sealing plate 2 and the wall surface, an effective sealing structure is formed, ensuring the airtightness of the sterile workshop. The surface of the sealing plate 2 is attached to the wall 1 of the sterile workshop. A first infrared rangefinder 9 is fixedly installed at the middle position of the surface of the sealing plate 2 using special clamps and bolts. This rangefinder is used to monitor the distance between the material and the sealing plate 2 in real time and transmits the detection signal to the controller 5, providing the controller 5 with a basis for determining whether the transmission port 13 needs to be opened.

[0026] Example 2

[0027] Please refer to the following: Figure 1 Figure 3A mounting groove 11 is milled into the middle of the bottom surface of the base plate 6. The dimensions of the mounting groove 11 are precisely matched with the second infrared rangefinder 12. The second infrared rangefinder 12 is embedded in the mounting groove 11 with epoxy resin. This embedding installation method not only fixes the rangefinder but also provides a certain degree of protection. The second infrared rangefinder 12 can detect in real time whether the material has completely passed through the transmission port 13 and feeds back the detection signal to the controller 5. The controller 5 controls the electric push rod 3 to operate according to the received signal, thereby achieving precise control of the opening and closing of the transmission port 13. This ensures that the transmission port 13 is closed in time after the material has completely passed through, preventing external contaminants from entering.

[0028] Example 3

[0029] Please refer to the following: Figure 1-4 The conveyor frame 7 is fixedly installed on one side of the aseptic workshop wall 1 using expansion bolts. Inside, a conveyor mechanism 8 is installed using a modular installation method. The conveyor mechanism 8 consists of a motor, drive pulleys, and a conveyor belt. The motor is fixedly installed at a specific position on the conveyor frame 7 using bolts. The motor output shaft is connected to the drive pulleys via a key, and the drive pulleys and conveyor belts are driven by friction. When the motor is powered on, it drives the drive pulleys to rotate, thereby driving the conveyor belt to convey materials. The conveyor mechanism 8 and the enclosure device are controlled collaboratively by the controller 5. Throughout the material transfer process, it cooperates with other components to ensure efficient and safe transfer. For example, when the first infrared rangefinder 9 detects approaching materials, the controller 5 controls the conveyor mechanism 8 to decelerate appropriately and simultaneously opens the transfer port 13 to ensure smooth material passage.

[0030] Example 4

[0031] Please refer to the following: Figure 1-4 The surface of the aseptic workshop wall 1 is milled to form slide rails 14 on both sides of the transmission port 13. The corresponding positions on the surface of the sealing plate 2 are fixedly installed by welding with sliders 10. The sliders 10 and the slide rails 14 are connected by a clearance fit. This structural design can effectively limit the movement trajectory of the sealing plate 2, and play the role of guiding and supporting the sealing plate 2, ensuring that the sealing plate 2 remains stable during the lifting process, and avoiding shaking or displacement that would affect the sealing effect.

[0032] Example 5

[0033] Please refer to the following: Figure 1 and Figure 5The design of the sealing plate 2 having a larger cross-sectional area than the transmission port 13, combined with the sealing structure between the sealing plate 2 and the wall surface, is an important guarantee for maintaining the sterile environment of the sterile workshop. Sealing rubber strips are typically installed at the edges of the sealing plate 2. When the sealing plate 2 descends to fit against the wall, the sealing rubber strips are compressed and deformed, filling the tiny gaps between the sealing plate 2 and the wall, further enhancing the sealing effect and effectively preventing external contaminants from entering the sterile workshop.

[0034] Example 6

[0035] Please refer to the following: Figure 1-4 Two electric actuators 3 are installed, symmetrically mounted on the top surface of the base plate 6. During installation, the electric actuators 3 are first fixed to the mounting plate 4 with bolts, ensuring their verticality and positional accuracy. Then, the output ends of the electric actuators 3 are connected to the base plate 6 via flanges. The two electric actuators 3 are synchronized via a frequency synchronizer, which is connected to the control system of the electric actuators 3 via signal lines. This design ensures that the enclosure plate 2 experiences uniform force and smooth movement during lifting and lowering. When the electric actuators 3 extend or retract, the two actuators move synchronously, avoiding problems such as tilting or jamming of the enclosure plate 2 due to uneven force, thus improving the reliability and stability of the equipment operation.

[0036] Example 7

[0037] Please refer to the following: Figure 1 A controller 5 is fixedly installed on the surface of the wall 1 of the sterile workshop via slots and bolts. This controller 5 is electrically connected to the electric push rod 3, the frequency synchronizer, the first infrared rangefinder 9, the second infrared rangefinder 12, and the conveying mechanism 8 via a dedicated control cable. The controller 5 integrates a microprocessor and signal processing circuitry, enabling it to receive and analyze signals from each infrared rangefinder. According to a preset program and logic, the controller 5 controls the electric push rod 3, the frequency synchronizer, and the conveying mechanism 8 to achieve coordinated operation among the components. For example, when the first infrared rangefinder 9 detects that the material is approaching the transmission port 13, the controller 5 controls the frequency converter to start, causing the two electric push rods 3 to extend synchronously to open the transmission port 13, while controlling the conveying mechanism 8 to continue conveying the material; when the second infrared rangefinder 12 detects that the material has completely passed through the transmission port 13, the controller 5 controls the electric push rods 3 to retract and close the transmission port 13, and can control the conveying mechanism 8 to stop running as needed, so that the entire sealing device can automatically and accurately complete the closing and opening operation of the transmission port 13 according to the actual situation of material transmission, achieving the technical effect of efficient and automated control claimed in the patent.

[0038] It should be noted that the control circuit of controller 5 can be implemented by those skilled in the art through simple programming, and is common knowledge in the field. It is only used and not modified, so the control method and circuit connection will not be described in detail.

[0039] The working principle of the sealing device for the aseptic workshop transfer port 13 provided by this utility model is as follows:

[0040] When materials need to be transported into or between sterile workshops, staff first place the materials on the conveying mechanism 8 (a motor-driven conveyor belt) of the conveyor rack 7. At this time, the controller 5 is in the initial standby state, the electric push rod 3 is in the extended state, and the sealing plate 2 closes the transmission port 13 to ensure that the sterile workshop environment is not contaminated by the outside world.

[0041] As the material moves towards the transmission port 13 along the conveyor belt, the first infrared rangefinder 9, installed in the middle of the surface of the sealing plate 2, starts working and continuously monitors the distance between the material and the sealing plate 2. When the first infrared rangefinder 9 detects that the material is approaching the transmission port 13 (reaching a preset distance), it transmits a signal to the controller 5. Upon receiving the signal, the controller 5 immediately controls the frequency co-current generator to start, causing the two symmetrically installed electric push rods 3 to retract synchronously. Since the output end of the electric push rod 3 is connected to the base plate 6, and the sealing plate 2 is installed on the top edge of the base plate 6, and the slider 10 on the surface of the sealing plate 2 is slidably connected to the slide rails 14 on both sides of the transmission port 13 of the aseptic workshop wall 1, under the action of the electric push rod 3, the sealing plate 2 moves smoothly upward along the slide rails 14, thereby opening the transmission port 13.

[0042] The material continues to move on the conveyor mechanism 8 through the transfer port 13. During this process, the second infrared rangefinder 12, installed inside the mounting groove 11 at the bottom of the base plate 6, begins to function, monitoring in real time whether the material has completely passed through the transfer port 13. When the second infrared rangefinder 12 detects that the material has completely passed through the transfer port 13 (i.e., the distance between the material and the second infrared rangefinder 12 exceeds a preset threshold), it sends a signal back to the controller 5. Upon receiving this signal, the controller 5 controls the frequency converter to extend the two electric push rods 3 synchronously, driving the sealing plate 2 to move downwards along the slide rail 14, resealing the transfer port 13, preventing external air, dust, and other contaminants from entering the sterile workshop, and maintaining the sterile environment of the workshop.

[0043] Throughout the entire operation, because the cross-sectional area of ​​the sealing plate 2 is larger than that of the transmission port 13, it can completely cover the transmission port 13, achieving a good sealing effect. The two electric push rods 3 are synchronously controlled by a frequency coordinator, ensuring the smoothness and synchronicity of the lifting and lowering process of the sealing plate 2, avoiding problems such as incomplete sealing or equipment damage due to uneven force. At the same time, the controller 5 is electrically connected to the electric push rods 3, the frequency coordinator, the first infrared rangefinder 9, the second infrared rangefinder 12, and the conveying mechanism 8, realizing the coordinated work between the components and ensuring that the material transfer process is efficient, safe, and stable.

[0044] It should be noted that all components used in this application are standard parts that can be purchased from the market. The specific connection methods of each part adopt conventional methods such as bolts, rivets and welding that are mature in the prior art. The mechanical parts and electrical equipment adopt conventional models in the prior art. The circuit connection adopts conventional connection methods in the prior art. The electrical equipment is connected to an external safe power source. These will not be described in detail here.

[0045] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A sealing device for a transfer port in a sterile workshop, comprising a sterile workshop wall (1) and a transfer rack (7), characterized in that, The surface of the aseptic workshop wall (1) is provided with a transmission port (13). An installation plate (4) is installed on the outer surface of the aseptic workshop wall (1). An electric push rod (3) is vertically installed on the bottom surface of the installation plate (4). A base plate (6) is installed at the output end of the electric push rod (3). A sealing plate (2) is vertically installed at the edge of the top surface of the base plate (6). The surface of the sealing plate (2) is in contact with the aseptic workshop wall (1). A first infrared rangefinder (9) is installed in the middle of the surface of the sealing plate (2).

2. The sealing device for the transfer port in a sterile workshop according to claim 1, characterized in that, The bottom surface of the base plate (6) has a mounting groove (11) in the middle position, and a second infrared rangefinder (12) is embedded in the mounting groove (11).

3. The sealing device for the transfer port in a sterile workshop according to claim 1, characterized in that, The conveyor frame (7) is installed on one side of the wall (1) of the sterile workshop. The conveyor frame (7) is equipped with a conveyor mechanism (8), which is conveyed by a conveyor belt and driven by a motor.

4. The sealing device for the transfer port in a sterile workshop according to claim 1, characterized in that, The surface of the aseptic workshop wall (1) is provided with slide rails (14) on both sides of the transmission port (13), and the surface of the sealing plate (2) is provided with sliders (10), which are slidably connected to the slide rails (14).

5. The sealing device for the transfer port in a sterile workshop according to claim 1, characterized in that, The cross-sectional area of ​​the closed plate (2) is greater than the cross-sectional area of ​​the transmission port (13).

6. The sealing device for the transfer port in a sterile workshop according to claim 1, characterized in that, Two electric push rods (3) are installed, and the two electric push rods (3) are symmetrically installed on the top surface of the base plate (6), and the two electric push rods (3) are synchronously controlled by a frequency coordinator.

7. The sealing device for the transfer port in a sterile workshop according to claim 1, characterized in that, The surface of the wall (1) of the sterile workshop is equipped with a controller (5), which is electrically connected to the electric push rod (3), the frequency converter, the first infrared rangefinder (9), the second infrared rangefinder (12), and the conveying mechanism (8).

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