Automatic filling device for microbial culture medium

Abstract

The utility model relates to related technical field of filling equipment especially, a kind of microbial culture medium automatic filling device, including base, the side surface of base is fixedly connected with connecting plate.The microbial culture medium automatic filling device, through the design of clamping mechanism, utilize the push block with cross section being "isosceles trapezoid" and the moving block with cross section being "right trapezoid", again cooperation convex strip and recess precision engagement, push block can pass through inclined plane uniform transmission force when push block, make both sides moving block and clamp block synchronous, smooth sliding, while nitrile rubber material gasket has elasticity and wear resistance, both can tightly adhere to container outer wall and enhance clamping force, avoid container deviation or shaking when filling, also can reduce extrusion damage to container by elastic buffer, without artificial in filling process continuous attention container position and manual adjustment, greatly reduce manpower input and operation intensity, reduce the risk of failure due to artificial fatigue.

Description

Technical Field

[0001] This utility model relates to the field of filling equipment technology, and in particular to an automatic filling device for microbial culture medium. Background Technology

[0002] An automated microbial culture medium filling device is an automated equipment specifically designed for microbial culture media. Its core function is to achieve accurate, aseptic, and quantitative filling of culture media. It has core functions such as automatic quantitative filling, aseptic protection, and continuous and efficient operation. It is mainly used in fields that require microbial culture, such as biopharmaceuticals, food testing, scientific research, and clinical practice. It can effectively improve filling efficiency, ensure the stability of culture medium quality, and reduce the intensity of manual labor. Therefore, there is a particular need for an automated microbial culture medium filling device.

[0003] Chinese patent CN221854557U, published on October 18, 2024, discloses a plate culture medium filling device. This device comprises a rotating shaft, a pusher plate, a second motor, and a filling nozzle. The rotating shaft is fixedly connected to the pusher plate, which is spiral-shaped. The rotating shaft is rotatably connected to the liquid outlet rack. The culture medium solution flows through a guide tube at the bottom of the storage chamber to the liquid outlet rack. Then, the second motor drives the pusher plate on the outside of the rotating shaft to rotate, causing the pusher plate to carry the culture medium solution through the filling nozzle for filling. When the pusher plate stops rotating, the culture medium stops being discharged, improving the stability of the device's filling control. However, this plate culture medium filling device lacks a fixed structure for the container, requiring manual assistance during the filling process. This not only reduces overall filling efficiency and increases labor intensity but also may disrupt the sterile environment due to human contact, posing a risk of culture medium contamination. Furthermore, container tipping could cause a safety hazard of high-temperature culture medium leakage. Utility Model Content

[0004] The purpose of this invention is to provide an automatic filling device for microbial culture media to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an automatic microbial culture medium filling device, comprising a base, a connecting plate fixedly connected to one side surface of the base, a body fixedly connected to the connecting plate on the side surface away from the base, a filling nozzle fixedly connected to one side surface of the body, a sealing tube fixedly connected to the side surface of the body away from the base, a filling funnel fixedly connected to the sealing tube on the side surface away from the base, and a clamping mechanism provided on one side surface of the base; The clamping mechanism includes a mounting plate and an electric cylinder. The mounting plate and the electric cylinder are fixedly connected to the side surface of the base near the connecting plate. A rectangular groove is formed on one side surface of the mounting plate. A bracket is fixedly connected to the side surface of the mounting plate away from the base. A round hole is formed on one side surface of the bracket. A push block is fixedly connected to the output end of the electric cylinder. A protrusion is fixedly connected to one side surface of the push block. A sliding block is slidably connected to the inner side of the rectangular groove. A moving block is fixedly connected to one side surface of the sliding block. A groove is formed on the side surface of the moving block near the push block. A clamping block is fixedly connected to the side surface of the moving block away from the electric cylinder. A gasket is fixedly connected to one side surface of the clamping block.

[0006] Preferably, the connecting plates are provided in two identical sizes and are symmetrically distributed along the horizontal central axis of the base, and the vertical central axis of the connecting plates is perpendicular to the horizontal central axis of the base.

[0007] Preferably, the movable block, clamping block and shim are provided in two of the same size and are symmetrically distributed along the horizontal central axis of the bracket, and the cross-section of the movable block is designed as a "right trapezoid".

[0008] Preferably, the output end of the electric cylinder is connected to the push block through a circular hole, the cross-section of the bracket is concave, and the gasket is made of nitrile rubber.

[0009] Preferably, the sliding blocks are provided in two sets of the same size, and each set has two blocks of the same size. The outer wall size of the sliding blocks is adapted to the inner wall size of the rectangular groove.

[0010] Preferably, the cross-section of the push block is designed as an "isosceles trapezoid", and the protrusion has two of the same size, the size of which is adapted to the size of the groove.

[0011] Preferably, the mounting plate has two of the same size, the push block is slidably connected to the two mounting plates, and the cross-section of the protrusion is designed as an "isosceles trapezoid".

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. Through the design of the clamping mechanism, the push block with a cross-section of "isosceles trapezoid" and the moving block with a cross-section of "right trapezoid", together with the precise engagement of the convex strip and the groove, when the push block is pushed, the push block can evenly transmit the force through the inclined surface, so that the moving blocks and clamping blocks on both sides slide synchronously and smoothly. At the same time, the nitrile rubber gasket has both elasticity and wear resistance. It can not only fit tightly against the outer wall of the container to enhance the clamping force and prevent the container from shifting or shaking during filling, but also reduce the squeezing damage to the container through elastic buffering. There is no need for the person to continuously pay attention to the position of the container and manually adjust it during the filling process, which greatly reduces the labor input and operation intensity and reduces the risk of errors caused by human fatigue. 2. The outer wall dimensions of the sliding block are perfectly matched with the inner wall dimensions of the rectangular groove, which can strictly limit the sliding trajectory of the moving block and avoid problems such as offset, jamming or tilting during clamping. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the base, connecting plate, and body structure of this utility model; Figure 3 This is a schematic diagram of the overall structure of the clamping mechanism of this utility model; Figure 4 This is a schematic diagram of the clamping block and gasket structure of this utility model; Figure 5 This is a schematic diagram of the mounting plate, rectangular groove, bracket, and circular hole structure of this utility model; Figure 6 This is a schematic diagram of the sliding block, moving block, and groove structure of this utility model; Figure 7 This is a schematic diagram of the electric cylinder, push block, and protruding strip structure of this utility model.

[0014] In the diagram: 1. Base; 2. Connecting plate; 3. SS body; 4. Filling nozzle; 5. Sealing tube; 6. Filling funnel; 7. Clamping mechanism; 701. Mounting plate; 702. Electric cylinder; 703. Rectangular groove; 704. Bracket; 705. Round hole; 706. Push block; 707. Raised strip; 708. Sliding block; 709. Moving block; 710. Groove; 711. Clamping block; 712. Gasket. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-7 This utility model provides a technical solution: an automatic microbial culture medium filling device, including a base 1, a connecting plate 2 fixedly connected to one side surface of the base 1, a body 3 fixedly connected to the connecting plate 2 away from the base 1, a filling nozzle 4 fixedly connected to one side surface of the body 3, a sealing tube 5 fixedly connected to the side surface of the body 3 away from the base 1, a filling funnel 6 fixedly connected to the side surface of the sealing tube 5 away from the base 1, and a clamping mechanism 7 provided on one side surface of the base 1. The clamping mechanism 7 includes a mounting plate 701 and an electric cylinder 702. The mounting plate 701 and the electric cylinder 702 are fixedly connected to the side surface of the base 1 near the connecting plate 2. A rectangular groove 703 is formed on one side surface of the mounting plate 701. A bracket 704 is fixedly connected to the side surface of the mounting plate 701 away from the base 1. A round hole 705 is formed on one side surface of the bracket 704. A push block 706 is fixedly connected to the output end of the electric cylinder 702. A protrusion 707 is fixedly connected to one side surface of the push block 706. A sliding block 708 is slidably connected to the inner side of the rectangular groove 703. A moving block 709 is fixedly connected to one side surface of the sliding block 708. A groove 710 is formed on the side surface of the moving block 709 near the push block 706. A clamping block 711 is fixedly connected to the side surface of the moving block 709 away from the electric cylinder 702. A gasket 712 is fixedly connected to one side surface of the clamping block 711. The mechanism is connected to the mounting plate 701, the electric cylinder 702, and the rectangular groove 703. The arrangement of the bracket 704, round hole 705, push block 706, protrusion 707, sliding block 708, moving block 709, groove 710, clamping block 711, and gasket 712 allows the following operation: During use, the electric cylinder 702 pushes the push block 706 to move along the direction of the round hole 705 of the bracket 704. Since the cross-section of the push block 706 is an "isosceles trapezoid", and the protrusion 707 on its surface matches the groove 710 of the moving block 709, as the push block 706 advances, the moving block 709, which is "right-angled trapezoid" on both sides, is squeezed by the inclined surface of the push block 706 and slides along the rectangular groove 703 of the mounting plate 701 through the sliding block 708 on its surface. At this time, the clamping block 711 at the other end of the moving block 709 moves closer simultaneously, and the container is clamped and fixed by the nitrile rubber gasket 712. This eliminates the need for manual monitoring and adjustment of the container position during the filling process, greatly reducing manpower and operational intensity, and lowering the risk of clamping errors caused by human fatigue.

[0017] Furthermore, the connecting plates 2 are provided with two of the same size and are symmetrically distributed along the horizontal central axis of the base 1. The vertical central axis of the connecting plates 2 is perpendicular to the horizontal central axis of the base 1. Through the setting of the connecting plates 2, the symmetrically distributed connecting plates 2 ensure that the machine body 3 always maintains a stable posture during use, providing a basic guarantee for the filling nozzle 4 to accurately align with the container opening.

[0018] Furthermore, two of the movable block 709, clamping block 711, and gasket 712 are provided with the same size and are symmetrically distributed along the horizontal central axis of the bracket 704. The cross-section of the movable block 709 is designed as a "right trapezoid". With the arrangement of the movable block 709, clamping block 711, and gasket 712, the symmetrically distributed movable block 709, clamping block 711, and gasket 712 ensure the centered clamping of the container during use. There is no need to deliberately center the container during placement. The clamping mechanism 7 can assist the container in aligning with the filling nozzle 4.

[0019] Furthermore, the output end of the electric cylinder 702 is connected to the push block 706 through the circular hole 705. The cross-section of the bracket 704 is concave. The gasket 712 is made of nitrile rubber. With the setting of the gasket 712, the nitrile rubber gasket 712 can form a buffer layer during use, avoiding the rigid contact of the clamping block 711 from causing scratches or cracks to the glass container, or causing compression deformation to the plastic container, effectively protecting the integrity of the container.

[0020] Furthermore, the sliding block 708 is provided in two sets of the same size, with two of the same size in each set. The outer wall size of the sliding block 708 is adapted to the inner wall size of the rectangular groove 703. Through the setting of the sliding block 708 and the rectangular groove 703, when in use, the cooperation between the rectangular groove 703 and the sliding block 708 can limit the movement block 709, ensuring that the mechanism remains stable during operation.

[0021] Furthermore, the push block 706 has an isosceles trapezoidal cross-section, and two protrusions 707 of the same size are provided. The protrusions 707 are matched with the size of the grooves 710. Through the arrangement of the protrusions 707 and the grooves 710, the cooperation between the protrusions 707 and the grooves 710 can further improve the stability of the connection between the push block 706 and the moving block 709 during use, making the mechanism run more stably.

[0022] Furthermore, the mounting plate 701 has two of the same size, and the push block 706 is slidably connected to the two mounting plates 701. The cross-section of the protrusion 707 is designed as an "isosceles trapezoid". Through the setting of the mounting plate 701 and the push block 706, the two mounting plates 701 can limit the push block 706 during use, which reduces the possibility of the push block 706 deviating to a certain extent and reduces the failure rate of the mechanism.

[0023] Working principle: The container to be filled is placed at the clamping mechanism 7 below the filling nozzle 4. The electric cylinder 702 is activated and pushes the push block 706 to move along the circular hole 705 of the bracket 704. Since the cross-section of the push block 706 is an "isosceles trapezoid", and the protrusion 707 on its surface matches the groove 710 of the moving block 709, as the push block 706 is pushed forward, the moving block 709, which is "right-angled trapezoid" on both sides, is squeezed by the inclined surface of the push block 706 and slides along the rectangular groove 703 of the mounting plate 701 through the sliding block 708 on its surface. At this time, the clamping block 711 at the other end of the moving block 709 moves closer at the same time, and the container is clamped and fixed by the nitrile rubber gasket 712 to prevent displacement during filling. The culture medium enters the sealing tube 5 through the filling funnel 6, and then is accurately injected into the fixed container through the filling nozzle 4 on the machine body 3. After filling is completed, the use process of an automatic microbial culture medium filling device is completed.

[0024] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic filling device for microbial culture medium, comprising a base (1), characterized in that: A connecting plate (2) is fixedly connected to one side surface of the base (1), and a body (3) is fixedly connected to the side surface of the connecting plate (2) away from the base (1). A filling nozzle (4) is fixedly connected to one side surface of the body (3), and a sealing tube (5) is fixedly connected to the side surface of the body (3) away from the base (1). A filling funnel (6) is fixedly connected to the side surface of the sealing tube (5) away from the base (1). A clamping mechanism (7) is provided on one side surface of the base (1). The clamping mechanism (7) includes a mounting plate (701) and an electric cylinder (702). The mounting plate (701) and the electric cylinder (702) are fixedly connected to the side surface of the base (1) near the connecting plate (2). A rectangular groove (703) is provided on one side surface of the mounting plate (701). A bracket (704) is fixedly connected to the side surface of the mounting plate (701) away from the base (1). A round hole (705) is provided on one side surface of the bracket (704). A push block (706) is fixedly connected to the output end of the electric cylinder (702). A protruding strip (707) is fixedly connected to one side surface of the push block (706), a sliding block (708) is slidably connected to the inner side of the rectangular groove (703), a moving block (709) is fixedly connected to one side surface of the sliding block (708), a groove (710) is provided on the side surface of the moving block (709) near the push block (706), a clamping block (711) is fixedly connected to the side surface of the moving block (709) away from the electric cylinder (702), and a gasket (712) is fixedly connected to one side surface of the clamping block (711).

2. The automatic filling device for microbial culture medium according to claim 1, characterized in that: The connecting plate (2) has two of the same size and is symmetrically distributed along the horizontal central axis of the base (1). The vertical central axis of the connecting plate (2) is perpendicular to the horizontal central axis of the base (1).

3. The automatic microbial culture medium filling device according to claim 1, characterized in that: The movable block (709), clamping block (711) and gasket (712) are provided in two of the same size and are symmetrically distributed along the horizontal central axis of the bracket (704). The cross-section of the movable block (709) is designed as a "right trapezoid".

4. The automatic microbial culture medium filling device according to claim 1, characterized in that: The output end of the electric cylinder (702) is connected to the push block (706) through the circular hole (705). The cross-section of the bracket (704) is concave. The gasket (712) is made of nitrile rubber.

5. The automatic microbial culture medium filling device according to claim 1, characterized in that: The sliding block (708) is provided in two sets of the same size, and each set is provided with two of the same size. The outer wall size of the sliding block (708) is adapted to the inner wall size of the rectangular groove (703).

6. The automatic filling device for microbial culture medium according to claim 1, characterized in that: The push block (706) has an isosceles trapezoidal cross-section, and the protrusion (707) has two of the same size. The protrusion (707) is adapted to the size of the groove (710).

7. The automatic microbial culture medium filling device according to claim 1, characterized in that: The mounting plate (701) has two of the same size, the push block (706) is slidably connected to the two mounting plates (701), and the cross-section of the protrusion (707) is designed as an "isosceles trapezoid".

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