A sample cortex isolation device

Abstract

This invention discloses a sample skin separation device, comprising a fixed shell, a sampling mechanism connected to the fixed shell, a peeling mechanism connected to the fixed shell, a sample storage mechanism connected to the fixed shell, a limiting mechanism for assisting sample detachment connected to the fixed shell, and a collection mechanism connected to the fixed shell. This invention provides a sample skin separation device where food such as radishes or yams is inserted into the fixed shell, and a pressure plate is pressed to extract the sample. Simultaneously, the back of the sample can be cut and peeled, eliminating the need for manual peeling later. The sample automatically falls into the collection tube for convenient sampling, preventing hand contact with the sample and avoiding contamination. Residual material falls into the collection box, which can be easily removed for cleaning. This makes the device more convenient to use, and its small size makes it easy to carry.

Description

Technical Field

[0001] This invention relates to the field of food testing technology, and in particular to a sample cortex separation device. Background Technology

[0002] Food inspection, broadly defined, is a discipline that studies and evaluates the quality and changes of food. Based on fundamental theories of physics, chemistry, and biochemistry, and various technologies, it inspects the quality of food raw materials, auxiliary materials, semi-finished products, finished products, and by-products according to established technical standards, such as international and national food hygiene / safety standards, to ensure product quality compliance. Food inspection includes sensory evaluation, detection of nutrients, additives, and harmful substances. Moisture content testing is a crucial part of food inspection, especially in the production and processing of grain-based foods. If the moisture content is insufficient, it can easily lead to spoilage and damage, affecting the taste and aroma, severely impacting product quality and market competitiveness. Furthermore, food inspection also protects the health of consumers. In the testing of some foods, such as radishes and yams, a peeling process is sometimes performed, removing the outer skin with a scraper before testing.

[0003] However, currently, the peeling process is usually carried out manually, using a scraper to peel the food. The sample volume for testing is generally small, and the use of the scraper is quite dangerous, requiring care to avoid hand injuries. Furthermore, during the peeling process, hands often directly touch the sample, which can easily lead to sample contamination, especially during food microbiology testing, where fungi or bacteria on the hands can easily contaminate the sample, causing detection errors. Some of the test items can be detected on the spot when sampling, but carrying a peeling knife is dangerous and inconvenient. During the sampling process, it is often necessary to randomly take multiple samples of the same food, and cleaning and disinfecting the sampling knife during the sampling process is also quite inconvenient. Summary of the Invention

[0004] The purpose of this invention is to provide a sample skin separation device. By pressing the pressure plate, a sample can be taken, and the back of the sample can be cut and peeled, thus eliminating the need for manual peeling later. The sample automatically falls into the inside of the collection tube, making it convenient to take samples. During the process, the hand will not touch the sample to avoid contamination. The remaining material will fall into the collection box, which can be removed for cleaning. Moreover, the device is small in size and easy to carry.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a sample cortex separation device, comprising a fixed shell, a sampling mechanism connected to the fixed shell, a peeling mechanism connected to the fixed shell, a sample storage mechanism connected to the fixed shell, and a limiting mechanism connected to the fixed shell to assist sample detachment. The sampling mechanism includes a sampling groove. The bottom of the fixed shell has an arched sampling groove, which is a through groove. A pressure plate is slidably connected to the top of the fixed shell. A sampling plate is fixedly connected to the bottom of the pressure plate. The sampling plate is C-shaped and is inserted into the fixed shell through the sampling groove. The fixed shell has a C-shaped structure. The length of the sampling plate is greater than that of the sampling groove. A second spring abuts between the pressure plate and the fixed shell. The pressure plate facilitates the control of the sampling plate's operation. The pressure plate drives the sampling plate to work, thus allowing on-site sampling of foods such as radishes and eggplants. The operation is convenient; simply press the pressure plate.

[0006] As a preferred embodiment of the present invention, the sample storage mechanism includes a slot. One end of the fixed shell is provided with a slot, which communicates with the sampling slot. A rubber ring is fixedly connected to the fixed shell below the slot. A collection tube is inserted into the bottom end of the rubber ring. A pushing block is slidably connected to the end of the fixed shell opposite to the slot. A push rod is fixedly connected to the bottom end of the pressure plate. One end of the pushing block passes through the sampling slot and the slot. One end of the pushing block is provided with a slide-shaped control groove. The bottom end of the push rod is slidably connected to the pushing block through the control groove. The end of the slot communicating with the sampling slot is inclined. The diameter of the slot is larger than the width of the sampling slot. After sampling, the peeled sample will have its head and tail removed to avoid peel residue. The processed sample will automatically fall into the inside of the collection tube under gravity, which facilitates collection and isolates it from the external environment to avoid microbial contamination from the air.

[0007] In a preferred embodiment of the present invention, the peeling mechanism includes a blade, a fixed housing equipped with the blade, and the fixed housing slidably connected to the blade at the arched end away from the sampling groove. A trapezoidal pushing groove is provided at the bottom of the push rod, and a slider is slidably connected to the fixed housing. The slider abuts against the push rod via the pushing groove. A rotating plate is rotatably connected inside the fixed housing, and one end of the slider abuts against the rotating plate. The end of the slider abutting against the rotating plate is beveled. A groove is provided at the bottom end of the blade, and one end of the rotating plate is inserted into the groove at the bottom end of the blade. The bottom end of the blade and the fixed housing are fixedly connected. A third spring is connected, and the fixed shell is located at one end of the blade protruding into the sampling groove. During the descent of the pressure plate, the pressure plate drives the push rod to move downward, and the push rod drives the slider to move. The inclined end of the slider abuts against the rotating plate and pushes the rotating plate to rotate, thereby driving the blade to move upward. When the push groove moves downward with the push rod, the push groove and the slider are misaligned. Therefore, when the blade is subjected to downward pressure, the rotating plate will not push the slider to slide, and one end of the slider will abut against the push rod. Thus, during the sampling of food, the outer skin of the food can be separated, thereby eliminating the need for subsequent peeling.

[0008] As a preferred embodiment of the present invention, the limiting mechanism includes a guard plate. The guard plate is rotatably connected to the inner wall of the sampling slot, and a torsion spring abuts between the guard plate and the fixed shell. The guard plate has a comb-shaped structure, and its length is less than the width of the sampling slot. The guard plate can prevent the sample from being carried out when the sampling plate is reset, so that it can smoothly enter the interior of the collection tube. When the collection tube is plugged in, it is easy to replace. When sampling the same food multiple times, the collection tube can be replaced for sampling.

[0009] As a preferred embodiment of the present invention, a collection mechanism is connected to the fixed shell. The collection mechanism includes a collection box. The collection box is slidably connected to the fixed shell directly below the sampling slot. A partition plate is slidably connected to the fixed shell at the bottom of the sampling slot. A first spring is fixedly connected between the partition plate and the fixed shell. One end of the partition plate abuts against the pushing block. The partition plate acts as a barrier to prevent residual material inside the collection box from re-entering the sampling slot. It also acts as a barrier to the outside environment. When cleaning the collection box, external air will not enter the slot through the sampling slot, thereby preventing contamination of the sample inside the collection tube.

[0010] As a preferred embodiment of the present invention, a pair of limiting plates are fixedly connected to the fixed shell. The limiting plates are in the shape of a "【". The limiting plates serve to position the food, thereby facilitating the sampling plate to bring the sample into the sampling slot during sampling. The "【" shape of the limiting plates allows cylindrical food to fit well with the limiting plates, while preventing the sampling plate from directly penetrating the sample during the downward pressing process and failing to remove a portion of the sample.

[0011] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention, by setting up a sampling plate, a slider, a rotating plate, and a blade, allows food such as radishes or yams to be inserted into the interior of a fixed shell. The fixed shell has a "U"-shaped structure, which abuts against a limiting plate. Pressing the pressure plate compresses the second spring, causing the sampling plate to move downwards, thereby sampling the food. The sampling plate is a "C"-shaped cylinder, which removes the sample and pushes it into the sampling slot. While the pressure plate is pressing down, the push rod moves downwards, causing the slider to disengage from the pushing slot and push the slider towards the blade. This causes the inclined end of the slider to abut against the rotating plate, pushing the rotating plate downwards, which in turn pushes the blade upwards. The third spring compresses, causing the blade to extend out of the fixed shell, enabling the back of the sample to be cut and peeled, thus eliminating the need for manual peeling later and making it safer.

[0012] 2. This invention, by setting up a push rod, a control groove, a collection tube, and a pushing block, allows the push rod to slide inside the sliding trapezoidal control groove when the pressure plate is released, thereby pulling the pushing block away from the sampling groove and facilitating the entry of the sampling plate into the sampling groove. When the pressure plate is released, the second spring extends, thereby driving the pressure plate to reset and causing the sampling plate to move upward. At the same time, the push rod pushes the pushing block to extend, and the pushing block contacts the sample, pushing and cutting the sample. The middle part enters the slot under the push of the pushing block and falls into the collection tube, thus facilitating sampling. During the process, the hand will not touch the sample, avoiding contamination.

[0013] 3. This invention, by setting up a guardrail, torsion spring, partition plate, and collection box, allows the sample plate to descend into the sampling slot with the sample. The sample pushes the comb-shaped guardrail downwards. When the sample plate rises, the guardrail will contact the sample under the action of the torsion spring, thereby restricting the sample from rising and disengaging from the sampling slot. This facilitates the pushing of the push block. Pressing the pressure plate again disengages the push block from the sampling slot. Under the push of the first spring, the partition plate moves, thereby connecting the top and bottom of the sampling slot. This allows the remaining material at both ends of the cut sample to fall into the collection box, which can then be removed for cleaning. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the fixed shell part of the present invention; Figure 3 This is a schematic diagram of the slider part of the present invention; Figure 4 This is a schematic diagram of the rotating plate portion of the present invention; Figure 5 This is a schematic diagram of the sampling plate portion of the present invention; Figure 6 This is a schematic diagram of the structure of the parapet portion of the present invention; Figure 7 This is a schematic diagram of the structure of the pushing block part of the present invention.

[0015] In the diagram: 1. Fixed shell; 2. Collection mechanism; 201. Collection box; 202. Partition plate; 203. First spring; 3. Sampling mechanism; 301. Sampling groove; 302. Sampling plate; 303. Pressure plate; 304. Second spring; 4. Limiting plate; 5. Sample storage mechanism; 501. Collection tube; 502. Pushing block; 503. Control groove; 504. Rubber ring; 505. Slot; 506. Push rod; 6. Peeling mechanism; 601. Pushing groove; 602. Slider; 603. Rotating plate; 604. Blade; 605. Third spring; 7. Limiting mechanism; 701. Balustrade plate; 702. Torsion spring. Detailed Implementation

[0016] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] Please see Figure 1-7 The present invention provides a technical solution for a sample cortex separation device: Example 1: according to Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, a sample skin separation device includes a fixed shell 1, a sampling mechanism 3 connected to the fixed shell 1, a peeling mechanism 6 connected to the fixed shell 1, a sample storage mechanism 5 connected to the fixed shell 1 for storing the sample, and a limiting mechanism 7 connected to the fixed shell 1 for assisting sample detachment. Among them, the sampling mechanism 3 includes a sampling groove 301. The bottom of the fixed shell 1 is provided with an arched sampling groove 301. The sampling groove 301 is a through groove. A pressing plate 303 is slidably connected to the top of the fixed shell 1. The bottom end of the pressing plate 303 is fixedly connected to a sampling plate 302. The sampling plate 302 is in the shape of a "C" - shaped cylinder. The sampling plate 302 is inserted into the fixed shell 1 through the sampling groove 301. The fixed shell 1 is in a "匚" - shaped structure, which facilitates the food to directly contact the fixed shell 1, thus facilitating sampling. The length of the sampling plate 302 is greater than that of the sampling groove 301. A second spring 304 is provided between the pressing plate 303 and the fixed shell 1; it is convenient to control the operation of the sampling plate 302 through the pressing plate 303, so that samples of foods such as radishes and eggplants can be taken on - site, and the operation is convenient; Among them, the peeling mechanism 6 includes a blade 604. The fixed shell 1 is equipped with a blade 604. The fixed shell 1 is slidably connected with a blade 604 at the end背离拱形端 of the sampling groove 301. A trapezoidal pushing groove 601 is provided at the bottom of the push rod 506. A slider 602 is slidably connected to the fixed shell 1. The slider 602 abuts against the push rod 506 through the pushing groove 601. A rotating plate 603 is rotatably connected inside the fixed shell 1. One end of the slider 602 abuts against the rotating plate 603. The end of the slider 602 abutting against the rotating plate 603 is bevel - shaped. A groove is provided at the bottom end of the blade 604. One end of the rotating plate 603 is inserted into the groove at the bottom end of the blade 604. A third spring 605 is fixedly connected between the bottom end of the blade 604 and the fixed shell 1. The end of the fixed shell 1 where the blade 604 is located protrudes into the sampling groove 301; during the process of the pressing plate 303 descending, it drives the blade 604 to move upward. Thus, during the process of sampling the food, the sample moves downward, and the back of the sample will abut against the blade 604. The rotating plate 603 will not push the slider 602 to slide back to its original position. One end of the slider 602 will tightly abut against the push rod 506, so that the cortex outside the food can be separated, thus eliminating the need for later peeling operations; Among them, a pair of limiting plates 4 are fixedly connected to the fixed shell 1. The limiting plates 4 are in the shape of "【"; the limiting plates 4 play a role in positioning the food, so that it is convenient for the sampling plate 302 to bring the sample into the sampling groove 301 during sampling; During specific use, for a sample cortex separation device of the present invention, foods such as radishes or yams are inserted into the interior of the fixed shell 1. The fixed shell 1 has a "匚"-shaped structure and abuts against the limit plate 4. The limit plate 4 has a "【"-shaped structure, so that cylindrical foods can fit well with the limit plate 4, and at the same time, it can prevent the sampling plate 302 from directly penetrating the sample during the downward pressing process and failing to dig out a part of the sample. Press the pressing plate 303, and the second spring 304 is compressed. The second spring 304 is used to push the pressing plate 303 to automatically reset when the pressing plate 303 is released, driving the sampling plate 302 to move downward, thereby sampling the food. The sampling plate 302 has a "C"-shaped cylindrical shape. The sampling plate 302 digs out a part of the sample, and the sampling plate 302 continues to move downward and带动 the sample to move downward, pushing it into the interior of the sampling groove 301. While the pressing plate 303 is being pressed, the push rod 506 moves downward, so that the slider 602 disengages from the pushing groove 601, and then pushes the slider 602 to move in the direction of the blade 604. Thus, the inclined surface end of the slider 602 abuts against the rotating plate 603, pushing the rotating plate 603 to rotate downward, and then pushing the blade 604 to move upward. The third spring 605 will be stretched, and the third spring 605 plays an auxiliary role in resetting the blade 604, so that the blade 604 extends out of the fixed shell 1. When the sampling plate 302 samples, the sample moves downward, and the back of the sample will abut against the blade 604. After the pushing groove 601 moves downward following the push rod 506, the pushing groove 601 and the slider 602 are misaligned. Thus, when the blade 604 is subjected to the pressure of the downward movement of the sample, the rotating plate 603 will not push the slider 602 to slide and reset, and one end of the slider 602 will tightly abut against the push rod 506, so that the back of the sample can be cut and peeled, eliminating the subsequent manual peeling step and being safer. When it is no longer in use, release the pressing plate 303, and the second spring 304 pushes the pressing plate 303 to reset upward, simultaneously driving the push rod 506 to move upward. At this time, the slider 602 will disengage from the rotating plate 603. Under the pulling of the third spring 605, the blade 604 will be pulled downward, driving the rotating plate 603 to rotate, thus facilitating reuse.

[0018] Embodiment 2: Based on Embodiment 1, as Figure 1 、 Figure 3 、and Figure 7As shown, the sample storage mechanism 5 includes a slot 505. One end of the fixed shell 1 is provided with the slot 505, which is connected to the sampling slot 301. A rubber ring 504 is fixedly connected to the fixed shell 1 below the slot 505. A collection tube 501 is inserted into the bottom end of the rubber ring 504. A push block 502 is slidably connected to the end of the fixed shell 1 opposite to the slot 505. A push rod 506 is fixedly connected to the bottom end of the pressure plate 303. One end of the push block 502 passes through the sampling slot 301 and the slot 505. One end of the push block 502 is provided with a sliding control groove 503. The bottom end of the push rod 506 is slidably connected to the push block 502 through the control groove 503. After sampling, the peeled sample will have its head and tail removed to avoid peel residue. The processed sample will automatically fall into the inside of the collection tube 501 under gravity, which facilitates collection. The end of the slot 505 that connects to the sampling slot 301 is slanted, and the diameter of the slot 505 is larger than the width of the sampling slot 301; thus, the sample can fall smoothly into the inside of the collection tube 501. In practical use, the sample cortical separation device of the present invention, during the pressing of the pressure plate 303, allows the bottom end of the push rod 506 to slide inside the trapezoidal control groove 503, thereby pulling the push block 502 away from the sampling groove 301. This facilitates the sampling plate 302 entering the sampling groove 301. The control groove 503 has a trapezoidal structure, with its top inclined towards the sampling groove 301 and its bottom vertical. Therefore, when the pressure plate 303 is pressed, the push block 502 is already disengaged from the sampling groove 301 before the sampling plate 302 enters the sampling groove 301. This prevents the downward movement of the sample from being affected when the sampling plate 302 pushes the sample into the sampling groove 301. When the sampling plate 302 enters the sampling groove 301, the push block 506... Rod 506 will enter the vertical section at the bottom of control slot 503. When the pressure plate 303 is released, the second spring 304 extends, thereby driving the pressure plate 303 to reset and driving the sampling plate 302 to move upward. At the same time, push rod 506 will move upward and slide to the top of control slot 503, pushing push block 502 to extend. Push block 502 contacts the sample, pushes the sample and cuts it off. The middle part of the sample will enter the interior of slot 505 under the push of push block 502. The end of slot 505 connected to sampling slot 301 is inclined, so that the sample can fall along the inclined surface into the interior of collection tube 501 under the action of gravity, thus facilitating sampling. During the process, the hand will not touch the sample to avoid microbial contamination of the sample by the hand, which would lead to inaccurate test data.

[0019] Example 3: Based on Example 1, such as Figure 3 , Figure 4 and Figure 6As shown, the limiting mechanism 7 includes a baffle plate 701. The fixed shell 1 is rotatably connected to the baffle plate 701 on the inner wall of the sampling groove 301. A torsion spring 702 abuts between the baffle plate 701 and the fixed shell 1. The baffle plate 701 has a comb-shaped structure, and the length of the baffle plate 701 is less than the width of the sampling groove 301. The baffle plate 701 can prevent the sample from being carried out when the sampling plate 302 is reset, so that it can smoothly enter the interior of the collection tube 501. The fixed shell 1 is connected to a collection mechanism 2, which includes a collection box 201. The collection box 201 is slidably connected to the fixed shell 1 directly below the sampling groove 301. The collection box 201 is slidably inserted to facilitate subsequent cleaning. A partition plate 202 is slidably connected to the bottom of the fixed shell 1 in the sampling groove 301. A first spring 203 is fixedly connected between the partition plate 202 and the fixed shell 1. One end of the partition plate 202 abuts against the push block 502. The partition plate 202 serves as a barrier to prevent the residual material inside the collection box 201 from re-entering the sampling groove 301. In practical use, the sample cortical separation device of the present invention, when the sampling plate 302 carrying the sample descends into the sampling groove 301, the sample pushes the guardrail 701 to rotate downwards. The guardrail 701 rotates downwards in one direction and has a comb-shaped structure, which increases the friction between it and the sample, thereby facilitating the limiting of the sample. When the sampling plate 302 rises, under the action of the torsion spring 702, the guardrail 701 will abut against the sample, thereby restricting the sample from rising and disengaging from the sampling groove 301, thus facilitating the pushing of the pushing block 502. Pressing the pressure plate 303 again disengages the pushing block 502 from the sampling groove 301. Driven by 03, the partition plate 202 is moved, thereby connecting the top and bottom of the sampling slot 301. This allows the remaining material from both ends of the cut sample to fall into the collection box 201. The collection box 201 can be removed for cleaning. The device needs to be disinfected and cleaned after use to avoid affecting the next use. Multiple units can be carried, and one unit is consumed for each food sample to avoid cross-contamination. The cooperation between the partition plate 202 and the pusher block 502 provides a certain degree of sealing, preventing other factors in the air from entering the collection tube 501. During testing, the collection tube 501 can be removed from the bottom of the rubber ring 504 for testing.

[0020] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A sample cortex separation device comprising a stationary housing (1), characterised in that: A sampling mechanism (3) is connected to the fixed housing (1), a peeling mechanism (6) for peeling is connected to the fixed housing (1), a sample storage mechanism (5) for storing samples is connected to the fixed housing (1), and a limiting mechanism (7) for assisting the separation of the sample is connected to the fixed housing (1); The sampling mechanism (3) includes a sampling groove (301). An arched sampling groove (301) is provided at the bottom of the fixed housing (1). The sampling groove (301) is a through groove. A pressing plate (303) is slidably connected to the top of the fixed housing (1). A sampling plate (302) is fixedly connected to the bottom end of the pressing plate (303). The sampling plate (302) is in a "C"-shaped tubular form, and the sampling plate (302) is inserted into the fixed housing (1) through the sampling groove (301).

2. A sample cortex separation device according to claim 1, wherein: The fixed housing (1) is in a "C"-shaped structure. The sampling plate (302) is larger than the length of the sampling groove (301). A second spring (304) is provided between the pressing plate (303) and the fixed housing (1).

3. The sample cortex isolation device of claim 1, wherein: The sample storage mechanism (5) includes a slot (505). A slot (505) is provided at one end of the fixed housing (1). The slot (505) is communicated with the sampling groove (301). A rubber ring (504) is fixedly connected to the fixed housing (1) below the slot (505). A collection tube (501) is inserted into the bottom end of the rubber ring (504). A pushing block (502) is slidably connected to the end of the fixed housing (1)背离 the slot (505). A push rod (506) is fixedly connected to the bottom end of the pressing plate (303). One end of the pushing block (502) penetrates through the sampling groove (301) and the slot (505). A trapezoidal control groove (503) is provided at one end of the pushing block (502). The bottom end of the push rod (506) is slidably connected to the pushing block (502) through the control groove (503).

4. A sample cortex separation device according to claim 3, wherein: The end of the slot (505) communicated with the sampling groove (301) is in an inclined plane shape, and the diameter of the slot (505) is larger than the width of the sampling groove (301).

5. A sample cortex separation device according to claim 3, wherein: The peeling mechanism (6) includes a blade (604). The fixed housing (1) is equipped with a blade (604). A blade (604) is slidably connected to the fixed housing (1) at the end背离 the arched end of the sampling groove (301). A trapezoidal pushing groove (601) is provided at the bottom of the push rod (506). A slider (602) is slidably connected to the fixed housing (1). The slider (602) abuts against the push rod (506) through the pushing groove (601). A rotating plate (603) is rotatably connected inside the fixed housing (1). One end of the slider (602) abuts against the rotating plate (603). The end of the slider (602) abutting against the rotating plate (603) is in an inclined plane shape. A groove is provided at the bottom end of the blade (604). One end of the rotating plate (603) is inserted into the groove at the bottom end of the blade (604).

6. A sample cortex separation device according to claim 5, wherein: A third spring (605) is fixedly connected between the bottom end of the blade (604) and the fixed shell (1), and the fixed shell (1) is located at one end of the blade (604) protruding into the sampling groove (301).

7. The sample cortex isolation device of claim 1, wherein: The limiting mechanism (7) includes a guardrail (701), and the fixed shell (1) is rotatably connected to the inner wall of the sampling groove (301). A torsion spring (702) abuts between the guardrail (701) and the fixed shell (1).

8. A sample cortex separation device according to claim 7, wherein: The guardrail (701) has a comb-shaped structure, and the length of the guardrail (701) is less than the width of the sampling groove (301).

9. The sample cortex isolation device of claim 3, wherein: A collection mechanism (2) is connected to the fixed shell (1). The collection mechanism (2) includes a collection box (201). The fixed shell (1) is slidably connected to the collection box (201) directly below the sampling slot (301). A partition plate (202) is slidably connected to the bottom of the fixed shell (1) at the sampling slot (301). A first spring (203) is fixedly connected between the partition plate (202) and the fixed shell (1). One end of the partition plate (202) abuts against the push block (502).

10. The sample cortex isolation device of claim 1, wherein: A pair of limiting plates (4) are fixedly connected to the fixed shell (1), and the limiting plates (4) are in the shape of "【".

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