Automatic precision stripping device for biomass vascular bundle

Abstract

The utility model relates to the technical field of biomass material, provide a kind of automatic precision stripping device of biomass vascular bundle, including support;A pair of workbench, interval setting in support along first direction, and respectively through bearing rotation connection in the both ends of support, a pair of workbench are all set fixed mechanism, for the both ends of sample are fixed;Driving motor, transmission connection with workbench, for drive a pair of workbench around the axis of bearing 360 degrees synchronous rotation;Tool holder support, is provided with cutting knife, tool holder support is set in the top of workbench, and can move along X axis direction, Y axis direction and Z axis direction;Three-dimensional moving mechanism, act on tool holder support, for drive cutting knife along X axis direction, Y axis direction and Z axis direction move;The utility model realizes the high-precision, automation, non-destructive stripping of bamboo and other biomass material vascular bundle.

Description

Technical Field

[0001] This utility model relates to the field of biomass materials technology, and in particular to an automatic precision peeling device for biomass vascular bundles. Background Technology

[0002] Bamboo, as a natural biomass material, is widely used in the fields of construction, furniture and composite materials due to its lightweight, high strength, renewability and environmental friendliness.

[0003] With the increasing demand for refined material properties in engineering, a deeper understanding of the coupling relationship between microstructure and macroscopic mechanical properties has become a research hotspot. Currently, a multi-scale testing system has been established for the mechanical property research of biomass materials. While macroscopic testing techniques are relatively mature, mechanical characterization at the microscale (such as fiber and vascular bundle levels) still faces technical bottlenecks, mainly in high-precision sample preparation, in-situ testing compatibility, and environmental control. Bamboo vascular bundles are the main mechanical load-bearing component, and accurate, efficient, and non-destructive separation of these bundles is a key step in studying their microscale mechanical properties.

[0004] Currently, vascular bundle separation technologies mainly include:

[0005] 1. After softening the bamboo by boiling in water, the vascular bundles are manually peeled off under a stereomicroscope using a Leica blade.

[0006] 2. The bamboo strips pretreated with high temperature steam are vibrated and rolled to produce thin-walled cell debris that falls into the chip collection basket through the screen holes and guide plate, thereby achieving the effect of separating vascular bundles from thin-walled cells.

[0007] 3. After soaking, rinsing, and fixing the plant roots and hypocotyls, the vascular bundles were separated from adjacent tissues under a microscope. The dissected material was then digested using a combination of cellulase and pectinase. Triton X-100 was then used to elute the membrane-like soft tissue surrounding the vascular bundles, thus achieving vascular bundle separation.

[0008] However, traditional vascular bundle stripping relies too much on manual operation, which has low precision and efficiency, is prone to damage to vascular bundles, and has poor experimental reproducibility; chemical treatment to separate vascular bundles from adjacent tissues can easily cause serious chemical pollution and damage the original mechanical properties of vascular bundles. Utility Model Content

[0009] This invention provides an automatic precision stripping device for biomass vascular bundles, which solves the defects of low stripping efficiency and easy damage to vascular bundles in the prior art.

[0010] This utility model provides an automatic precision peeling device for biomass vascular bundles, comprising:

[0011] support;

[0012] A pair of worktables are spaced apart in a support along a first direction and are rotatably connected to both ends of the support via bearings. Each pair of worktables is equipped with a fixing mechanism to fix both ends of the sample.

[0013] A drive motor, connected to the worktable, is used to drive the pair of worktables to rotate synchronously 360 degrees around the axis of the bearing;

[0014] A cutter head support is provided with a cutting blade. The cutter head support is located above the worktable and can move along the X-axis, Y-axis and Z-axis.

[0015] A three-dimensional moving mechanism acts on the cutter head support to drive the cutting blade to move along the X-axis, Y-axis and Z-axis.

[0016] The automatic precision stripping device for biomass vascular bundles provided by this utility model also includes a computer control system, which is electrically connected to the drive motor and the three-dimensional moving mechanism.

[0017] The automatic precision peeling device for biomass vascular bundles provided by this utility model further includes:

[0018] A visual recognition system is mounted on the cutter head support, and the visual recognition system includes:

[0019] An industrial camera, mounted on one side of the cutting blade, is used to acquire cut images of the sample; the industrial camera is electrically connected to the computer control system.

[0020] LED light sources are arranged around the industrial camera to provide illumination.

[0021] The automatic precision peeling device for biomass vascular bundles provided by this utility model further includes:

[0022] A limiting structure is provided on the bracket to fix the worktable at the required rotation angle.

[0023] According to the present invention, an automatic precision peeling device for biomass vascular bundles is provided, wherein the workbench is a vacuum adsorption platform, and multiple air vents are evenly distributed on the workbench, and the air vents are connected to an external vacuum device through pipelines.

[0024] According to the present invention, an automatic precision peeling device for biomass vascular bundles is provided, each of the worktables is provided with a contour positioning groove, the contour positioning groove is provided with the air vent, and the two ends of the sample are respectively embedded in the contour positioning groove.

[0025] According to the present invention, an automatic precision peeling device for biomass vascular bundles is provided, wherein the fixing mechanism includes:

[0026] A pressure plate is disposed in the contour positioning groove, and the pressure plate has a threaded hole;

[0027] A clamping screw, adapted to the threaded hole, with its bottom abutting against the sample, is used to adjust the clamping force on the sample by rotation.

[0028] According to the present invention, an automatic precision peeling device for biomass vascular bundles is provided, wherein the bottom of the tablet is provided with a receiving groove, and the receiving groove and the contour positioning groove form a positioning space for receiving the sample.

[0029] The automatic precision peeling device for biomass vascular bundles provided by this utility model further includes:

[0030] A dust collection device includes a vacuum nozzle, which is disposed on one side of the cutting blade and moves synchronously with the cutting blade.

[0031] According to the present invention, an automatic precision peeling device for biomass vascular bundles is provided, wherein the three-dimensional moving mechanism includes:

[0032] X-axis slide rail;

[0033] A sliding frame is slidably connected to the X-axis slide rail, and the sliding frame is provided with a Y-axis slide rail;

[0034] The first driving device acts on the sliding frame to drive the sliding frame to reciprocate along the X-axis direction;

[0035] The slide block is slidably connected to the Y-axis slide rail, and the slide block is provided with a Z-axis slide rail, which is slidably connected to the cutter head bracket;

[0036] A second driving device is disposed on the sliding frame. The second driving device acts on the slide block to drive the slide block to reciprocate along the Y-axis direction.

[0037] The third driving device is mounted on the slide block and acts on the cutter head support to drive the cutter head support to reciprocate along the Z-axis direction, thereby controlling the depth of cut when the cutting blade cuts the sample. The first driving device, the second driving device, and the third driving device are all electrically connected to the computer control system.

[0038] This utility model provides an automatic precision peeling device for biomass vascular bundles. By setting a pair of 360-degree rotating worktables in a support frame, with the worktables spaced apart, the two ends of the sample are fixed to the worktables respectively during operation, suspending the middle of the sample. Thus, as the worktables rotate 360 ​​degrees around the axis of the bearing, they also rotate the sample 360 ​​degrees, allowing the vascular bundle to adjust its orientation within a 360-degree range. This overcomes the limitation of traditional fixed platforms that can only cut on one side, improving the comprehensive coverage and adjustability of the cutting position. For example, the cross-section of the vascular bundle presents... For irregularly shaped samples, the cutting blade can find the optimal cutting position and angle by rotating the worktable; this eliminates the need for manual sample flipping, reducing operational errors and improving cutting efficiency. Furthermore, as the sample rotates with the worktable, the cutting path can be planned synchronously through a three-dimensional moving mechanism, adjusting the blade position in real time and achieving micron-level displacement control to prevent excessive cutting and damage to the vascular bundles. Compared to traditional straight-line cutting, the integrity rate of the vascular bundles after peeling is greatly improved, avoiding vascular bundle breakage caused by angular deviations, and achieving high-precision, automated, and non-destructive peeling of vascular bundles from biomass materials such as bamboo. Attached Figure Description

[0039] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0040] Figure 1 This is a schematic diagram of the structure of an automatic precision peeling device for biomass vascular bundles provided in an embodiment of this utility model.

[0041] Figure 2 This is a structural schematic diagram of the fixing mechanism provided in an embodiment of the present utility model.

[0042] Figure 3 This is an isometric view of the worktable provided in an embodiment of this utility model.

[0043] Figure label:

[0044] 1. Support; 2. Worktable; 3. Fixing mechanism; 4. Drive motor; 5. Cutter head support; 6. Cutting blade; 7. Computer control system; 8. Industrial camera; 9. LED light source; 10. Limiting structure; 11. Contouring positioning groove; 12. Pressing plate; 13. Clamping screw; 14. Vacuum suction nozzle; 15. X-axis slide rail; 16. Sliding frame; 17. Y-axis slide rail; 18. Slide base. Detailed Implementation

[0045] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0046] The following is combined with Figures 1-3 This invention describes an automatic precision stripping device for biomass vascular bundles.

[0047] This utility model provides an automatic precision stripping device for biomass vascular bundles, including: a support 1, a worktable 2, a drive motor 4, a cutter head support 5, and a three-dimensional moving mechanism.

[0048] A pair of worktables 2 are spaced apart in the support 1 along a first direction and are rotatably connected to both ends of the support 1 via bearings. Each worktable 2 is equipped with a fixing mechanism 3 to fix both ends of the sample, such as a bamboo strip, thus suspending the middle of the sample. A drive motor 4 is connected to the worktables 2 and drives the pair of worktables 2 to rotate synchronously 360 degrees around the axis of the bearing. A cutter head support 5 is equipped with a cutting blade 6 and is positioned above the worktables 2. It can move along the X-axis, Y-axis, and Z-axis. A three-dimensional moving mechanism acts on the cutter head support 5 to drive the cutting blade 6 to perform micron-level precision displacement along the X-axis, Y-axis, and Z-axis. The first direction is the length direction of the support 1.

[0049] As can be seen from the above solution, this utility model sets up a pair of 360-degree rotatable worktables 2 in the support 1, with the pair of worktables 2 spaced apart. During operation, both ends of the sample are fixed to the pair of worktables 2 respectively, so that the middle of the sample is suspended. In this way, when the worktables 2 rotate 360 ​​degrees around the axis of the bearing, they can also drive the sample to rotate 360 ​​degrees, allowing the vascular bundle to adjust its orientation within a 360-degree range. This solves the limitation of traditional fixed platforms that can only cut on one side, and improves the comprehensive coverage and adjustability of the cutting position, such as when the cross-section of the vascular bundle has an irregular shape. The cutting blade 6 can find the optimal cutting position and angle by rotating the worktable 2; this eliminates the need for manual sample flipping, reduces operational errors, and improves cutting efficiency; in addition, as the sample rotates with the worktable 2, the cutting path can be planned synchronously through the three-dimensional moving mechanism, the blade position can be adjusted in real time, and micron-level displacement control can be achieved to prevent excessive cutting and damage to the vascular bundles. Compared with traditional straight cutting, the integrity rate of the vascular bundles after peeling is greatly improved, avoiding vascular bundle breakage caused by angular deviation, and achieving high-precision, automated, and non-destructive peeling of vascular bundles of biomass materials such as bamboo.

[0050] In this embodiment, a computer control system 7 is also included, which is electrically connected to the drive motor 4 and the three-dimensional moving mechanism.

[0051] Furthermore, a visual recognition system is also included, which is mounted on the cutter head support 5. The visual recognition system includes an industrial camera 8 and an LED light source 9. The industrial camera 8 is a high-resolution camera, such as a resolution of up to 2μm / pixel, which can clearly capture vascular bundle textures with a diameter of about 500μm. It is mounted on one side of the cutting blade 6 to acquire the cutting image of the sample. The industrial camera 8 is electrically connected to the computer control system 7. The LED light source 9 is arranged around the industrial camera 8 to provide illumination.

[0052] This setup integrates the visual recognition system directly onto the cutter head bracket 5, avoiding additional space occupation and ensuring a fixed relative position between the camera and the cutting blade 6, thus improving the accuracy of image acquisition. The industrial camera 8 acquires cutting images in real time and sends them to the computer control system 7. The computer control system 7 analyzes the cutting status using image processing algorithms, dynamically adjusting the cutting path to avoid miscutting or overcutting and improve peeling accuracy. The LED light source 9 provides a stable and uniform lighting environment, ensuring the industrial camera 8 can clearly capture the sample surface texture and cutting interface, enhancing the reliability of visual recognition. When the worktable 2 rotates to adjust the sample angle, the industrial camera 8 acquires a microscopic image of the cutting section, distinguishing between vascular bundles and thin-walled basic tissues through morphological feature recognition. The computer control system 7 adjusts the cutter head angle based on the acquired images, achieving closed-loop control of the visual recognition system and the three-dimensional moving mechanism, realizing automated cutting path correction, reducing manual intervention, and improving experimental efficiency.

[0053] In this embodiment, the workbench 2 is a vacuum adsorption platform. Multiple vent holes are evenly distributed on the workbench 2. The vent holes are connected to external vacuum equipment such as a vacuum pump through pipelines. When the vacuum pump is started, a negative pressure is formed inside the vacuum adsorption platform. The airflow converges towards the center of the platform through the surface vent holes, generating an adsorption force. The bottom surface of the sample is in close contact with the surface of the platform. The negative pressure adsorption force of the vent holes firmly fixes the sample on the platform. The negative pressure adsorption force is evenly distributed on the bottom surface of the sample, avoiding mechanical squeezing damage to the sample by traditional clamps. It is especially suitable for thin-walled and easily deformable biomass materials.

[0054] In some embodiments, a pair of worktables 2 are coaxially connected. For example, connecting rods can be provided on both sides of the worktables 2 to connect the pair of worktables 2. The drive motor 4 can drive either worktable 2 to achieve synchronous rotation of the pair of worktables 2.

[0055] Furthermore, each workbench 2 is provided with a contour positioning groove 11, and both ends of the sample are respectively embedded in the contour positioning groove 11, and the contour positioning groove 11 is provided with a vent hole.

[0056] In other words, the contour of the contour positioning groove 11 matches the cross-sectional shape of the sample, such as the arc-shaped outer contour of bamboo strips or the rectangular cross-section of wood. The sample is placed in the contour positioning groove 11, and its bottom surface is in close contact with the platform surface. The negative pressure adsorption force of the vent holes firmly fixes the sample on the platform, avoiding displacement or deformation during the cutting process. Through the dual action of the contour positioning groove 11 and vacuum negative pressure adsorption, the sample is accurately positioned and stably fixed, improving the positioning accuracy of the sample, ensuring that the vascular bundle direction is accurately aligned with the cutting path, improving the peeling accuracy, and reducing the deviation between the vascular bundle direction and the cutting path.

[0057] like Figure 2 As shown, in some embodiments, the fixing mechanism 3 includes a pressure plate 12 and a clamping screw 13. The pressure plate 12 may be a rectangular metal plate or a metal block. The pressure plate 12 is disposed in the contour positioning groove 11 and has a threaded hole. The clamping screw 13 is adapted to the threaded hole, and the bottom of the clamping screw 13 abuts against the sample and is used to adjust the clamping force on the sample by rotation.

[0058] With this configuration, the contour positioning groove 11 can limit the sample from both sides, while the pressure plate 12 and screw provide a vertically downward mechanical force to prevent the sample from jumping up and down due to cutting vibration, thus improving the stability of sample fixation. In use, the pressure plate 12 is placed above the contour positioning groove 11, covering the upper surface of the sample. The clamping screw 13 passes through the threaded hole of the pressure plate 12. When tightened, the bottom of the screw presses vertically against the sample, and the linear displacement of the threaded pair is converted into clamping force. Compared with traditional fixed clamps (where the clamping force is not adjustable), this configuration allows for on-demand force application, applying different pressures to hard bamboo and soft herbaceous plants to ensure fixation and avoid crushing or damage.

[0059] Preferably, the bottom of the tablet 12 is provided with a receiving groove, which together with the contour positioning groove 11 forms a positioning space for receiving the sample, and the bottom surface of the receiving groove is a plane or an arc surface that matches the contour of the upper surface of the sample.

[0060] With this configuration, the relatively positioned receiving groove and contour positioning groove 11 form a circumferential wrap around the sample. The wrapping structure fixes the upper surface and sidewalls of the sample, achieving full constraint positioning of the sample and ensuring that the sample will not move during processing, thus meeting the process requirements of high-precision vascular bundle peeling.

[0061] Furthermore, it also includes a dust collection device, which includes a vacuum nozzle 14. The dust collection device is located on one side of the cutting blade 6 and moves synchronously with the cutting blade 6.

[0062] like Figure 3As shown, in this embodiment, a limiting structure 10 is also provided to fix the worktable 2 at the required rotation angle. The limiting structure 10 can be a limiting block, which is set on the support 1. The end face of the worktable 2 is provided with a protrusion. The limiting block corresponds to the circular motion trajectory of the protrusion. When the worktable 2 rotates, the protrusion on the edge rotates with it and gradually approaches the limiting block fixed on the support 1. When the two come into contact, the worktable 2 is blocked and cannot continue to rotate, thus being fixed at the required target angle.

[0063] Of course, the limiting structure 10 can also be a positioning hole and a positioning pin set on the bracket 1. The end face of the worktable 2 is provided with a through hole, and the positioning hole corresponds to the circular motion trajectory of the through hole. When the worktable 2 rotates to the required target angle, the positioning pin is inserted into the through hole to achieve the positioning of the required angle.

[0064] Specifically, the vacuum nozzle 14 is connected to an external vacuum negative pressure device, such as a vacuum pump, via a flexible hose. The vacuum nozzle 14 can be fixed on the cutter head bracket 5. When the three-dimensional moving mechanism drives the cutting blade 6, such as a milling cutter, to move along the X / Y / Z axes or to perform micro-vibration cutting, the vacuum nozzle 14 follows synchronously to ensure that the suction port is always aligned with the cutting point. When the vacuum pump is started, a negative pressure airflow is formed inside the vacuum nozzle 14. The dust and debris generated during cutting are sucked into the vacuum nozzle 14 under the action of the airflow and transported to the dust collection box through the flexible hose. The negative pressure intensity can be adjusted by the computer control system 7, which can effectively adsorb dust while avoiding damage to the thin-walled vascular bundle structure caused by excessive negative pressure. It is matched with the cutting depth: when the cutting blade 6 cuts into the sample at different depths, the suction nozzle adjusts its height synchronously with the Z-axis to maintain the optimal adsorption distance.

[0065] Reference Figure 1 In this embodiment, the three-dimensional moving mechanism includes: an X-axis slide rail 15, a sliding frame 16, a first driving device, a slide base 18, a second driving device, and a third driving device. The sliding frame 16 is slidably connected to the X-axis slide rail 15, and a Y-axis slide rail 17 is provided on the sliding frame 16. The first driving device acts on the sliding frame 16 to drive the sliding frame 16 to reciprocate along the X-axis direction. The slide base 18 is slidably connected to the Y-axis slide rail 17, and a Z-axis slide rail is provided on the slide base 18, which is slidably connected to the cutter head support 5. The second driving device is located on the sliding frame 16 and acts on the slide base 18 to drive the slide base 18 to reciprocate along the Y-axis direction. The third driving device is located on the slide base 18 and acts on the cutter head support 5 to drive the cutter head support 5 to reciprocate along the Z-axis direction, thereby controlling the depth of cut when the cutting blade 6 cuts the sample. The first, second, and third driving devices are all electrically connected to the computer control system 7.

[0066] Optionally, the first drive device, the second drive device, and the third drive device may adopt linear drive methods such as electric cylinder, hydraulic cylinder, pneumatic cylinder, gear and rack drive, and ball screw drive.

[0067] Preferably, both the first and second drive devices employ a servo motor coupled with a ball screw. The servo motor drives the ball screw to rotate via a coupling, converting the rotational motion into linear motion of the sliding frame 16 and the slide block 18. The encoder of the servo motor provides real-time feedback on the motor rotation angle, and the computer control system 7 corrects the drive pulses based on the feedback value, forming a closed-loop control. For example, a 2mm lead ball screw coupled with a 24-bit encoder theoretically achieves a displacement resolution of 0.12nm. The third drive device employs a piezoelectric ceramic actuator coupled with a flexible hinge transmission method. For example, a stacked piezoelectric ceramic actuator with a stroke of 50-10... 0μm, resolution ≤0.1nm; the flexible hinge mechanism adopts an integrated elastic metal structure to amplify the tiny displacement of the piezoelectric ceramic. The Z-axis slide rail adopts an air-bearing guide rail or a liquid hydrostatic guide rail to avoid stick-slip phenomenon. The computer control system 7 outputs analog voltage to the piezoelectric ceramic actuator, which uses the inverse piezoelectric effect to generate axial deformation. After the displacement is amplified by the flexible hinge mechanism, it pushes the Z-axis slider. For example, the piezoelectric ceramic generates a 10μm displacement under a 10V voltage. After 10 times amplification, it achieves a 100μm stroke, which can achieve micron-level resolution and meet the precise control of 80% depth of the vascular bundle sheath layer, about 10-20μm.

[0068] During operation, the computer control system 7 sends a movement command to the X-axis, and the servo motor of the first drive device drives the ball screw to rotate through the coupling; the ball screw nut pair pushes the sliding frame 16 to move along the X-axis slide rail 15; the computer control system 7 sends a movement command to the Y-axis, and the servo motor of the second drive device drives the ball screw to rotate through the coupling; the ball screw nut pair pushes the slide block 18 to move along the Y-axis slide rail 17; the computer control system 7 calculates the required depth of cut, the piezoelectric ceramic driver advances in 1μm increments, the capacitive sensor detects the actual displacement in real time, and the Z-axis position is locked after the set depth is reached.

[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A device for automatic precision stripping of vascular bundles of biomass, characterized in that, include: Support (1); A pair of worktables (2) are spaced apart in the support (1) along the first direction and are rotatably connected to both ends of the support (1) by bearings. Each pair of worktables (2) is provided with a fixing mechanism (3) for fixing both ends of the sample. A drive motor (4) is connected to the worktable (2) for driving the pair of worktables (2) to rotate synchronously 360 degrees around the axis of the bearing; The cutter head support (5) is provided with a cutting blade (6). The cutter head support (5) is located above the worktable (2) and can move along the X-axis, Y-axis and Z-axis directions. The three-dimensional moving mechanism acts on the cutter head support (5) to drive the cutting blade (6) to move along the X-axis, Y-axis and Z-axis directions.

2. The automatic precision stripping device for biomass vascular bundle according to claim 1, characterized in that, It also includes a computer control system (7), which is electrically connected to the drive motor (4) and the three-dimensional moving mechanism.

3. The automatic precision stripping device for biomass vascular bundle according to claim 2, characterized in that, Also includes: A visual recognition system is mounted on the cutter head support (5), and the visual recognition system includes: An industrial camera (8) is disposed on one side of the cutting blade (6) for acquiring cutting images of the sample. The industrial camera (8) is electrically connected to the computer control system (7). LED light source (9) is arranged around the industrial camera (8) to provide illumination.

4. The automatic precision stripping device for biomass vascular bundle according to claim 1, characterized in that, Also includes: A limiting structure (10) is provided on the bracket (1) for fixing the worktable (2) at the required rotation angle.

5. The automatic precision peeling device for biomass vascular bundles according to claim 1, characterized in that, The workbench (2) is a vacuum adsorption platform. Multiple air vents are evenly distributed on the workbench (2), and the air vents are connected to external vacuum equipment through pipelines.

6. The automatic precision peeling device for biomass vascular bundles according to claim 5, characterized in that, Each of the workbenches (2) is provided with a contour positioning groove (11), and the contour positioning groove (11) is provided with the ventilation hole. The two ends of the sample are respectively embedded in the contour positioning groove (11).

7. The automatic precision peeling device for biomass vascular bundles according to claim 6, characterized in that, The fixing mechanism (3) includes: A pressure plate (12) is disposed in the contour positioning groove (11), and the pressure plate (12) has a threaded hole; A clamping screw (13) is adapted to the threaded hole, and the bottom of the clamping screw (13) abuts against the sample for adjusting the clamping force on the sample by rotation.

8. The automatic precision peeling device for biomass vascular bundles according to claim 7, characterized in that, The bottom of the tablet (12) is provided with a receiving groove, which together with the contour positioning groove (11) forms a positioning space for accommodating the sample.

9. An automatic precision peeling device for biomass vascular bundles according to any one of claims 1-8, characterized in that, Also includes: The dust collection device includes a vacuum nozzle (14) which is disposed on one side of the cutting blade (6) and moves synchronously with the cutting blade (6).

10. The automatic precision peeling device for biomass vascular bundles according to claim 3, characterized in that, The three-dimensional moving mechanism includes: X-axis slide rail (15); The sliding frame (16) is slidably connected to the X-axis slide rail (15), and the sliding frame (16) is provided with a Y-axis slide rail (17). The first driving device acts on the sliding frame (16) to drive the sliding frame (16) to reciprocate along the X-axis direction; The slide (18) is slidably connected to the Y-axis slide rail (17), and the slide (18) is provided with a Z-axis slide rail, which is slidably connected to the cutter head bracket (5). The second driving device is disposed on the sliding frame (16). The second driving device acts on the slide block (18) to drive the slide block (18) to reciprocate along the Y-axis direction. The third driving device is mounted on the slide (18). The third driving device acts on the cutter head support (5) to drive the cutter head support (5) to reciprocate along the Z-axis direction and to control the depth of the cutting blade (6) when cutting the sample. The first driving device, the second driving device and the third driving device are all electrically connected to the computer control system (7).

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