Visual constant volume mechanism

Abstract

The invention discloses a visual constant volume mechanism, and relates to the technical field of spectrograph sample introduction liquid dilution proportioning, the visual constant volume mechanism comprises a mounting bottom plate and a CCD camera, one end of the top of the mounting bottom plate is vertically provided with a CCD light source, one end of the front side of the CCD light source is vertically provided with a jacking electric cylinder, the top of the jacking electric cylinder is connected with a container carrier, and the top of the jacking electric cylinder is connected with the CCD camera. The CCD camera is horizontally connected and installed on the side, away from the Z-axis module, of the X-axis module. According to the visual constant-volume mechanism, through combined use of the CCD light source, the jacking electric cylinder, the container carrier, the container body, the Y-axis module, the filling mechanism, the stable support, the Z-axis module, the X-axis module and the CCD camera, the liquid level can be photographed and recognized, the filling mechanism performs automatic filling so as to achieve accurate and rapid constant volume, meanwhile, the visual constant-volume mechanism is simple in structure, a system automatically switches a filling formula, intelligence and accuracy are achieved, and the visual constant-volume mechanism is suitable for large-scale popularization and application. And the transplanting module and the phase mechanism are stable, are not influenced by other environmental factors, and are suitable for the constant volume of liquid in various container bottles, so that the practicability is better, and the popularization and the application are easy.

Description

Technical Field

[0001] This invention relates to the field of spectrometer sample injection liquid dilution and proportioning technology, specifically a visual volume determination mechanism. Background Technology

[0002] In laboratory material preparation, after weighing, volume adjustment is required. After adding the raw material to the volumetric flask, a mixture of ethanol and water is needed for dilution.

[0003] Traditional techniques involve manually adding liquid through test tubes and observing the process visually. This results in inconsistent liquid volume, low efficiency, and a high risk of errors. Summary of the Invention

[0004] The purpose of this invention is to provide a visual volume-regulating mechanism to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a visual volume-regulating mechanism, comprising a mounting base and a CCD camera. A CCD light source is vertically mounted at one end of the top of the mounting base, and a lifting cylinder is vertically mounted at the front end of the CCD light source. A container carrier is connected to the top of the lifting cylinder, and a container body is vertically inserted into the middle of the top of the container carrier. The container body is operated using a volumetric flask or a glass test tube. A Y-axis module is horizontally mounted at the other end of the front of the CCD light source, and a filling mechanism is connected to the top of the Y-axis module. A stabilizing bracket is vertically mounted at the top of the mounting base away from the CCD light source, and a Z-axis module is vertically connected to the side of the stabilizing bracket. An X-axis module is horizontally connected to the side of the Z-axis module away from the stabilizing bracket, and the CCD camera is horizontally connected to the side of the X-axis module away from the Z-axis module.

[0006] Furthermore, the lifting electric cylinder includes a lifting motor, a fixed frame, a stabilizing slider, a lifting screw, a lifting frame, and a guide rail. The fixed frame is connected and installed on one side of the upper end of the lifting motor, and the stabilizing slider is embedded on the side of the upper end of the lifting motor away from the fixed frame. The lifting screw is vertically installed on the internal power output end of the lifting motor through a coupling, and the lifting frame is connected and installed on the top of the lifting screw. At the same time, a guide rail is vertically installed between the lifting frame and the stabilizing slider.

[0007] Furthermore, the container carrier includes a carrier base, a placement slot, a damping telescopic rod, and a limiting ring. The placement slot is provided in the middle of the top of the carrier base, and a damping telescopic rod is vertically installed at one end of the top of the carrier base. The upper section of the damping telescopic rod is horizontally connected to the limiting ring.

[0008] Furthermore, the top end of the lifting screw is connected to the lifting frame via a bearing seat structure, and the lower end of the lifting frame is parallel to the lifting motor. The guide rail and the stabilizing slider are connected to each other using a slotted embedded structure. The carrier seat is installed on the top of the lifting frame, and the lower end of the damping telescopic rod is threadedly connected to the lifting frame.

[0009] Furthermore, the Y-axis module includes a module frame, a servo motor, a drive screw, a movable slider, a movable seat, and a protective cover. A servo motor is horizontally mounted at one end of the module frame, and a drive screw is horizontally mounted at the power output end of the servo motor via a coupling. A movable slider is connected to and mounted on the surface of the drive screw, and a movable seat is mounted on the top of the movable slider. A protective cover is horizontally inserted through the middle of the movable seat.

[0010] Furthermore, the filling mechanism includes a stabilizing base, a support rod, a first assembly block, a stabilizing rod, a second assembly block, and a filling nozzle. The support rod is vertically installed in the middle of the stabilizing base, and the upper end of the support rod is horizontally connected to the first assembly block. The stabilizing rod is horizontally inserted through the end of the first assembly block away from the support rod, and two sets of second assembly blocks are horizontally sleeved on the end of the stabilizing rod away from the first assembly block. At the same time, the filling nozzle is vertically installed through the end of the second assembly block away from the stabilizing rod.

[0011] Furthermore, the drive screw and the movable slider are connected by a thread, and one side of the movable slider is slidably connected to the edge of the module frame through a hook-like structure for the translational stability of the movable slider. The protective cover is fixed to the top of the module frame, and sliding grooves are provided on both sides of the module frame connection for the sliding of the movable seat. Moreover, the stable seat is installed on the top of the movable seat. Both ends of the first and second combined blocks are vertically and horizontally provided with holes for installation and holes for bolt fastening.

[0012] Furthermore, a first assembly plate is provided between the Z-axis module and the X-axis module, and a second assembly plate is provided between the X-axis module and the CCD camera. The Z-axis module and the X-axis module both adopt the same structural configuration as the Y-axis module.

[0013] This invention provides a visual volume-fixing mechanism, which has the following beneficial effects: 1. This invention utilizes a Z-axis module and an X-axis module installed on one side of a stable support, in conjunction with a CCD camera. The Z-axis and X-axis modules can precisely adjust the position of the CCD camera in both horizontal and vertical directions, enabling it to accurately capture the liquid level within the container. Combined with illumination from a CCD light source, which provides supplemental lighting to the background, the CCD camera clearly captures the rising position of the liquid. The CCD camera can clearly acquire image information of the liquid surface and accurately measure the height and volume of the liquid using image processing technology, thereby achieving high-precision visual volume determination. This design effectively solves the problems of poor consistency, low efficiency, and susceptibility to errors in traditional manual liquid addition methods, greatly improving the accuracy and efficiency of laboratory material preparation.

[0014] 2. This invention, by providing a container carrier, wherein the surface structure of the placement groove opened at the top of the carrier seat matches the surface structure of the bottom end of the container body, forms a stable fitting relationship between the carrier seat and the container body, effectively preventing the container body from shaking or shifting during the filling process. At the same time, the combination design of the damping telescopic rod and the limiting ring can adaptively adjust the vertical direction according to the different specifications of the container body, ensuring that the limiting ring is always aligned with the neck of the container body, further enhancing the stability of the container body on the container carrier. This structural feature makes the visual volume determination mechanism compatible with various specifications of volumetric flasks or glass test tubes, significantly improving the versatility and practicality of the equipment.

[0015] 3. This invention, by connecting and installing a lifting electric cylinder at the bottom of the container carrier, wherein the lifting electric cylinder drives the lifting screw to rotate through a lifting motor, and with the guidance of the guide rail and the stabilizing slider, achieves vertical and stable lifting of the lifting frame, thereby enabling precise height adjustment of the container carrier and the container body on it to meet the needs of different filling heights and CCD camera shooting angles. This design not only improves the flexibility and accuracy of the filling process, but also ensures that the CCD camera can obtain a clear liquid level image from the optimal shooting position, further improving the accuracy and reliability of visual volume determination. In addition, the smooth lifting and lowering characteristics of the lifting electric cylinder also effectively reduce vibration and impact during the filling process, protecting the stability of the container body and the internal liquid. At the same time, the lifting electric cylinder is also used to realize the height adaptation of the container body and real-time tracking of the filling liquid level.

[0016] 4. This invention utilizes the collaborative structure of a Y-axis module and a filling mechanism. The Y-axis module, driven by a servo motor, rotates a lead screw, causing a moving slider and a moving seat to move horizontally along the module frame. This achieves precise horizontal positioning of the filling mechanism. A stabilizing seat for the filling mechanism is mounted on top of the moving seat, and a support rod is vertically fixed in the middle of the stabilizing seat. A first assembly block is horizontally connected to the upper end of the support rod, and a stabilizing rod extends horizontally through the first assembly block. Two sets of second assembly blocks are fitted onto the ends of the stabilizing rods furthest from the first assembly blocks. A filling nozzle is vertically installed through the second assembly blocks at the ends furthest from the stabilizing rods. This structural design allows the filling nozzle, driven by the Y-axis module, to be horizontally adjusted to directly above the container body based on the liquid level information captured by the CCD camera. Precise filling is achieved through the filling nozzle, ensuring the added liquid volume is highly consistent with the preset value. This effectively avoids the problem of inconsistent liquid volume caused by visual observation errors in traditional manual filling methods, further improving the automation level and filling accuracy of the visual volume determination mechanism. Furthermore, the filling nozzle can be used in conjunction with the second assembly blocks as needed. By filling different quantities to accommodate varying mixing ratios, this adjustable filling nozzle design greatly enhances the flexibility and adaptability of the visual volume determination mechanism in handling diverse experimental needs. Simultaneously, the robust connection structure between the stabilizing rod and the first and second assembly blocks ensures the stability and accuracy of the filling nozzle during horizontal movement, preventing filling errors caused by mechanical vibration or loosening. Furthermore, the entire visual volume determination mechanism employs a modular design, with tightly connected components that are easy to disassemble and replace. This not only facilitates daily maintenance but also reduces the cost of future repairs and upgrades. When a component malfunctions or requires an upgrade, the corresponding module can be quickly replaced without large-scale disassembly and reassembly of the entire mechanism, significantly improving equipment efficiency and lifespan. In summary, the visual volume determination mechanism provided by this invention, through its unique structural design, high-precision measurement capabilities, broad compatibility, and flexible operation, offers an efficient, accurate, and reliable solution for the volume determination stage in laboratory material preparation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main body axial side view of a visual volume-determining mechanism according to the present invention; Figure 2 This is a schematic diagram of the lifting electric cylinder structure of a vision-based volume-determining mechanism according to the present invention; Figure 3 This is a three-dimensional structural diagram of a container carrier for a visual volume-determining mechanism according to the present invention; Figure 4 This is a three-dimensional structural diagram of the Y-axis module of a vision volume-determining mechanism according to the present invention; Figure 5 This is a schematic diagram of the internal structure of the filling mechanism of a visual volume-determining mechanism according to the present invention; Figure 6 This is a schematic diagram of the three-dimensional structure of the stabilizing support, Z-axis module, and X-axis module of the visual volume determination mechanism of the present invention. Figure 7 This is a three-dimensional structural diagram of a CCD camera and a second combined plate of a visual volume-determining mechanism according to the present invention.

[0018] In the diagram: 1. Mounting base plate; 2. CCD light source; 3. Lifting cylinder; 301. Lifting motor; 302. Fixing frame; 303. Stabilizing slider; 304. Lifting screw; 305. Lifting frame; 306. Guide rail; 4. Container carrier; 401. Carrier base; 402. Placement slot; 403. Damping telescopic rod; 404. Limiting ring; 5. Container body; 6. Y-axis module; 601. Module frame; 602. Servo 603. Motor; 604. Drive screw; 605. Moving slider; 606. Moving seat; 607. Protective cover; 708. Filling mechanism; 709. Stabilizer; 7002. Support rod; 7003. First assembly block; 701. Stabilizer rod; 702. Second assembly block; 703. Filling nozzle; 704. Stabilizer bracket; 705. Z-axis module; 10. X-axis module; 11. CCD camera; 12. First assembly plate; 13. Second assembly plate. Detailed Implementation

[0019] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention.

[0020] like Figures 1 to 7As shown, a visual volume-regulating mechanism includes a mounting base 1 and a CCD camera 11. A CCD light source 2 is vertically mounted on one end of the top of the mounting base 1, and a lifting cylinder 3 is vertically mounted on the front end of the CCD light source 2. A container carrier 4 is connected to the top of the lifting cylinder 3, and a container body 5 is vertically inserted into the middle of the top of the container carrier 4. The container body 5 is operated using a volumetric flask or a glass test tube. A Y-axis module 6 is horizontally mounted on the other end of the front of the CCD light source 2, and a filling mechanism 7 is connected to the top of the Y-axis module 6. A stabilizing bracket 8 is vertically mounted on the top of the mounting base 1 away from the CCD light source 2, and a Z-axis module 9 is vertically connected to the side of the stabilizing bracket 8. Meanwhile, the X-axis module 10 is horizontally connected and installed on the side of the Z-axis module 9 away from the stable support 8, and the CCD camera 11 is horizontally connected and installed on the side of the X-axis module 10 away from the Z-axis module 9. A first combination plate 12 is provided between the Z-axis module 9 and the X-axis module 10, and a second combination plate 13 is provided between the X-axis module 10 and the CCD camera 11. The Z-axis module 9 and the X-axis module 10 adopt the same structure as the Y-axis module 6. The Z-axis module 9 and the X-axis module 10 can precisely adjust the position of the CCD camera 11 in the horizontal and vertical directions so that it can accurately capture the liquid level in the container body 5. Combined with the illumination of the CCD light source 2, the CCD light source 2 provides supplementary lighting for the photographed background.

[0021] like Figures 1 to 7 As shown, the lifting electric cylinder 3 includes a lifting motor 301, a fixed frame 302, a stabilizing slider 303, a lifting screw 304, a lifting frame 305, and a guide rail 306. The fixed frame 302 is connected and installed on one side of the upper end of the lifting motor 301, and the stabilizing slider 303 is embedded on the side of the upper end of the lifting motor 301 away from the fixed frame 302. The lifting screw 304 is vertically installed on the internal power output end of the lifting motor 301 via a coupling, and the lifting frame 305 is connected and installed on the top of the lifting screw 304. A guide rail 306 is vertically installed between the lifting frame 305 and the stabilizing slider 303. The lifting screw 304… The top of the container is connected to the lifting frame 305 via a bearing seat structure, and the lower end of the lifting frame 305 is parallel to the lifting motor 301. The guide rail 306 and the stabilizing slider 303 are connected to each other through a slotted embedded structure. The carrier seat 401 is installed on the top of the lifting frame 305, and the lower end of the damping telescopic rod 403 is threadedly connected to the lifting frame 305. The lifting motor 301 drives the lifting screw 304 to rotate, and with the guiding action of the guide rail 306 and the stabilizing slider 303, the lifting frame 305 is vertically and smoothly raised and lowered, thereby driving the container carrier 4 and the container body 5 on it to perform precise height adjustment.

[0022] like Figures 1 to 7As shown, the container carrier 4 includes a carrier base 401, a placement groove 402, a damping telescopic rod 403, and a limiting ring 404. The placement groove 402 is provided in the middle of the top of the carrier base 401, and the damping telescopic rod 403 is vertically installed at one end of the top of the carrier base 401. The upper section of the damping telescopic rod 403 is horizontally connected to the limiting ring 404. The inner surface structure of the placement groove 402 on the top of the carrier base 401 matches the surface structure of the bottom end of the container body 5. A stable fitting relationship is formed between the carrier base 401 and the container body 5, which effectively prevents the container body 5 from shaking or shifting during the filling process.

[0023] like Figures 1 to 7 As shown, the Y-axis module 6 includes a module frame 601, a servo motor 602, a drive screw 603, a movable slider 604, a movable base 605, and a protective cover 606. The servo motor 602 is horizontally mounted at one end of the module frame 601, and the drive screw 603 is horizontally mounted at the power output end of the servo motor 602 via a coupling. The movable slider 604 is connected to and mounted on the surface of the drive screw 603, and the movable base 605 is mounted on the top of the movable slider 604. A protective cover 606 is horizontally provided through the middle of the movable base 605. The cover plate 606 and the filling mechanism 7 include a stabilizing seat 701, a support rod 702, a first assembly block 703, a stabilizing rod 704, a second assembly block 705, and a filling nozzle 706. The support rod 702 is vertically mounted in the middle of the stabilizing seat 701, and the upper end of the support rod 702 is horizontally connected to the first assembly block 703. The stabilizing rod 704 is horizontally inserted through the end of the first assembly block 703 away from the support rod 702, and two sets of second assembly blocks 705 are horizontally sleeved on the end of the stabilizing rod 704 away from the first assembly block 703. The second assembly block 705 has a filling nozzle 706 vertically installed at the end furthest from the stabilizing rod 704. The drive screw 603 and the movable slider 604 are threaded together, and one side of the movable slider 604 is slidably connected to the edge of the module frame 601 via a hook structure for translational stability. The protective cover 606 is fixed to the top of the module frame 601, and sliding grooves are provided on both sides of the connection between the module frames 601 and 602 for sliding of the movable seat 605. The stabilizing seat 701 is mounted on the movable seat 605. At the top, both ends of the first assembly block 703 and the second assembly block 705 are vertically and horizontally provided with holes for installation and holes for bolt fastening. The Y-axis module 6 is driven by the servo motor 602 to drive the drive screw 603 to rotate, which drives the moving slider 604 and the moving seat 605 to move horizontally along the module frame 601, so as to achieve precise positioning of the filling mechanism 7 in the horizontal direction. In addition, the filling nozzle 706 can be installed in different quantities according to the use of the second assembly block 705 to adapt to different mixing ratio requirements.

[0024] In summary, as Figures 1 to 7As shown, in use, the visual volume-determining mechanism first vertically inserts the container body 5 into the placement slot 402 located in the center of the top of the carrier seat 401 of the container carrier 4, ensuring a stable fit between the container body 5 and the carrier seat 401 to prevent shaking or displacement during the filling process. Next, the lifting electric cylinder 3 and the lifting motor 301 are started to run. The lifting screw 304 is driven to rotate through the coupling. Under the guidance of the guide rail 306 and the stabilizing slider 303, the lifting frame 305 rises vertically and smoothly, driving the container carrier 4 and the container body 5 on it to a suitable height to meet the needs of subsequent filling and CCD camera 11 shooting. At the same time, the Y-axis module 6 starts to work. The servo motor 602 drives the drive screw 603 to rotate, which drives the moving slider 604 and the moving seat 605 to move horizontally along the module frame 601, accurately positioning the filling mechanism 7 directly above the container body 5. During the movement, the protective cover 606 plays a protective role, and the sliding grooves on both sides of the module frame 601 joint ensure that the moving seat 605 slides smoothly. According to the actual mixing requirements, different numbers of filling nozzles 706 can be installed. Utilizing the pre-reserved mounting hole structure on the second assembly block 705, the required number of filling nozzles 706 are vertically installed through bolts at the end of the second assembly block 705 away from the stabilizing rod 704, ensuring that the filling nozzles 706 are installed firmly to adapt to different experimental mixing requirements. Then, the CCD light source 2 is activated to provide supplemental lighting for the background. The Z-axis module 9 and the X-axis module 10 begin to work together. Through the connection of the first combination plate 12 and the second combination plate 13, the Z-axis module 9 and the X-axis module 10 precisely adjust the position of the CCD camera 11 in the horizontal and vertical directions so that it can accurately capture the liquid surface condition inside the container body 5. The CCD camera 11 clearly obtains the image information of the liquid surface and accurately measures the height and volume of the liquid surface through image processing technology. Based on the liquid level information captured by the CCD camera 11, the filling mechanism 7 begins precise filling. The filling nozzle 706 is connected to the external feeding equipment via pipes to accurately inject the liquid into the container body 5, ensuring that the amount of liquid added is highly consistent with the preset value. During the entire filling process, due to the stable design of the container carrier 4 and the smooth lifting characteristics of the lifting cylinder 3, vibration and impact during the filling process are effectively reduced, protecting the stability of the container body 5 and the internal liquid.

[0025] After filling is completed, the CCD camera 11 captures the liquid level information again to confirm whether the filling amount is accurate. If adjustment is needed, the positions of the filling mechanism 7 and the CCD camera 11 can be fine-tuned through the coordinated work of the Y-axis module 6, Z-axis module 9 and X-axis module 10 to meet different experimental needs. The entire visual volume determination mechanism adopts a modular design, with tight connections between components that are easy to disassemble and replace, facilitating daily maintenance and upkeep of the equipment and reducing the cost of later repairs and upgrades.

[0026] The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and to design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A visual volume-determining mechanism, comprising a mounting base plate (1) and a CCD camera (11), characterized in that: A CCD light source (2) is vertically mounted on one end of the top of the mounting base (1), and a lifting cylinder (3) is vertically mounted on the front end of the CCD light source (2). A container carrier (4) is connected to the top of the lifting cylinder (3), and a container body (5) is vertically inserted in the middle of the top of the container carrier (4). The container body (5) is operated using a volumetric flask or a glass test tube. A Y-axis module (6) is horizontally mounted on the other end of the front of the CCD light source (2), and a filling mechanism (7) is connected to the top of the Y-axis module (6). A stabilizing bracket (8) is vertically mounted on the top of the mounting base (1) away from the CCD light source (2), and a Z-axis module (9) is vertically connected to the side of the stabilizing bracket (8). An X-axis module (10) is horizontally connected to the side of the Z-axis module (9) away from the stabilizing bracket (8). A CCD camera (11) is horizontally connected to the side of the X-axis module (10) away from the Z-axis module (9).

2. The visual volume-fixing mechanism according to claim 1, characterized in that, The lifting electric cylinder (3) includes a lifting motor (301), a fixed frame (302), a stabilizing slider (303), a lifting screw (304), a lifting frame (305), and a guide rail (306). The fixed frame (302) is connected and installed on one side of the upper end of the lifting motor (301), and the stabilizing slider (303) is embedded on the side of the upper end of the lifting motor (301) away from the fixed frame (302). The lifting screw (304) is vertically installed on the internal power output end of the lifting motor (301) through a coupling, and the lifting frame (305) is connected and installed on the top of the lifting screw (304). At the same time, the guide rail (306) is vertically installed between the lifting frame (305) and the stabilizing slider (303).

3. The visual volume-fixing mechanism according to claim 2, characterized in that, The container carrier (4) includes a carrier base (401), a placement slot (402), a damping telescopic rod (403), and a limiting ring (404). The placement slot (402) is provided in the middle of the top of the carrier base (401), and the damping telescopic rod (403) is vertically installed at one end of the top of the carrier base (401). The upper section of the damping telescopic rod (403) is horizontally connected to the limiting ring (404).

4. The visual volume-fixing mechanism according to claim 3, characterized in that, The top end of the lifting screw (304) is connected to the lifting frame (305) through a bearing seat structure, and the lower end of the lifting frame (305) is parallel to the lifting motor (301). The guide rail (306) and the stabilizing slider (303) are connected to each other through a slotted embedded structure. The carrier seat (401) is installed on the top of the lifting frame (305), and the lower end of the damping telescopic rod (403) is threadedly connected to the lifting frame (305).

5. A visual volume-fixing mechanism according to claim 1, characterized in that, The Y-axis module (6) includes a module frame (601), a servo motor (602), a drive screw (603), a movable slider (604), a movable seat (605), and a protective cover plate (606). The servo motor (602) is horizontally mounted at one end of the module frame (601), and the drive screw (603) is horizontally mounted at the power output end of the servo motor (602) through a coupling. The movable slider (604) is connected to the surface of the drive screw (603), and the movable seat (605) is mounted on the top of the movable slider (604). The protective cover plate (606) is horizontally installed through the middle of the movable seat (605).

6. A visual volume-fixing mechanism according to claim 5, characterized in that, The filling mechanism (7) includes a stabilizing seat (701), a support rod (702), a first assembly block (703), a stabilizing rod (704), a second assembly block (705), and a filling nozzle (706). The support rod (702) is vertically installed in the middle of the stabilizing seat (701), and the first assembly block (703) is horizontally connected to the upper end of the support rod (702). The stabilizing rod (704) is horizontally inserted through the end of the first assembly block (703) away from the support rod (702), and two sets of second assembly blocks (705) are horizontally sleeved on the end of the stabilizing rod (704) away from the first assembly block (703). At the same time, the filling nozzle (706) is vertically installed through the end of the second assembly block (705) away from the stabilizing rod (704).

7. A visual volume-regulating mechanism according to claim 6, characterized in that, The drive screw (603) and the movable slider (604) are connected by a thread, and one side of the movable slider (604) is slidably connected to the edge of the module frame (601) through a hook structure for the translational stability of the movable slider (604). The protective cover plate (606) is fixed to the top of the module frame (601), and sliding grooves are provided on both sides of the connection between the module frame (601) and the module frame (601) for the sliding of the movable seat (605). The stabilizing seat (701) is installed on the top of the movable seat (605).

8. A visual volume-regulating mechanism according to claim 7, characterized in that, Both ends of the first assembly block (703) and the second assembly block (705) are provided with vertical and horizontal holes for installation and holes for bolt fastening.

9. A visual volume-regulating mechanism according to claim 1, characterized in that, A first combination plate (12) is provided between the Z-axis module (9) and the X-axis module (10), and a second combination plate (13) is provided between the X-axis module (10) and the CCD camera (11). The Z-axis module (9) and the X-axis module (10) are both used with the same structure as the Y-axis module (6).

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