Cannabis seed collector

Abstract

The invention discloses a cannabis seed collector, and relates to the technical field of harvesting devices, the cannabis seed collector comprises a collection travelling mechanism erected and installed in front of plants to be harvested, and a screening and impurity removing mechanism and a vibration harvesting mechanism which are installed on the collection travelling mechanism, the vibration harvesting mechanism acts on main stems of the plants through an acting piece, and the main stems are separated from the main stems. Vibration is output through the vibration harvesting mechanism, then the vibration is transmitted to a main stem of a plant through the acting part, the plant is shaken, and therefore mature seeds on the plant are driven to fall off, the acting part is provided with a seed collecting and conveying mechanism used for receiving and conveying the seeds to the screening and impurity removing mechanism, and the main stem of the plant is annularly sleeved with the seed collecting and conveying mechanism. According to the device, not only can the seeds matured at different times on plants be comprehensively collected, but also birds can be prevented from pecking the matured seeds, and meanwhile, impurities doped in the seeds can be screened out in the harvesting process so as to facilitate the development of scientific research work of cannabis sativa L. var. Cannabis L. var. Cannabis L. var. Cannabis L. var. Cannabis L. var. Cannabis L. var. Cannabis L. var. Cannabis L. var. Cannabis L. var.

Description

Technical Field

[0001] The invention relates to the technical field of harvesting devices, in particular to a hemp seed collector. Background Art

[0002] Hemp, particularly Bama hemp, is an annual dioecious herb, sown in spring and harvested in autumn, with an eight-month growing season. It is primarily cultivated in rocky mountainous areas. Bama hemp grows to 1.5 to 2 meters tall and is planted between March and April, matures in late November, and is harvested, sun-dried, and stored. It is generally pest-free. Hemp seeds are oval, 4 to 5 mm long, with a smooth brown or black pattern. Bama hemp shells are hard and brittle, and after shelling, the hemp seeds are obtained. Hemp seeds are both medicinal and edible, with high nutritional value and are highly sought after.

[0003] Hemp seeds shed rapidly after maturity, especially in Bama hemp, where the rate can reach 50%. Even a slight shake of the plant or touching the cob can cause the seeds to fall, and some may even spontaneously drop. Because hemp seeds are rich in fat, they are highly sought after by birds, and are often eaten during maturity. In some areas, birds have even completely devoured the seeds. In conventional cultivation, the optimal time to harvest seeds is when the majority (approximately 70%-80%) of the seeds have reached maturity. However, this harvesting method can result in some immature seeds being harvested simultaneously. Waiting until all seeds on a plant have matured before harvesting causes the first-ripened seeds to detach from the bracts and fall, making them uncollectable and reducing yield. These phenomena can hinder hemp seed collection and yield statistics, impacting the collection of hemp hybrid seeds, the propagation of valuable germplasm, the selection of hybrid progeny, population yield determination, germplasm resource identification, and genetic research, hindering scientific research.

[0004] The conventional method of collecting hemp seeds is to cut down the entire plant and use tools to hammer the seeds to make them fall off. However, the leaves will also fall off, and some immature seeds will also fall off, resulting in a large amount of seed impurities and tender seeds, inconsistent seed maturity, affecting the germination rate, and not conducive to direct use. Summary of the Invention

[0005] In response to the above shortcomings, the present invention provides a hemp seed collector that can not only comprehensively collect seeds that mature at different times on the plant, but also prevent birds from pecking at the mature seeds. At the same time, it can also screen out foreign matter mixed in the seeds during the harvesting process to facilitate the development of hemp scientific research. The specific technical solution is as follows: A hemp seed collector, comprising: A collecting crane mechanism is installed in front of the plants to be harvested; A screening and impurity removal mechanism, which is installed on the collecting crane mechanism; a vibrating harvesting mechanism, which is mounted on the collecting traveling mechanism and acts on the main stem of the plant through an action member; The seed collecting and conveying mechanism is installed on the working member and is sleeved on the main stem of the plant to receive the seeds that are shaken off and convey them to the screening and impurity removing mechanism.

[0006] Preferably, the collection traveling mechanism includes a collection installation body, a universal traveling wheel, a pushing handle and a control unit, the universal traveling wheel is installed at the bottom of the collection installation body, the pushing handle is installed on the collection installation body, and the control unit is installed on the collection installation body.

[0007] Preferably, a collecting cavity is formed in the collecting installation body, and the screening and impurity removal mechanism includes a driving motor, a rotating shaft, a screening roller cage, a material receiving opening and a secondary screening mesh plate. The driving motor is installed on the collecting installation body, and the rotating shaft is rotatably installed in the collecting cavity. The output end of the driving motor is connected to the rotating shaft, and the screening roller cage is installed on the rotating shaft. The material receiving opening is installed at the feed port of the collecting cavity. A part of the screening roller cage is higher than the feed end face of the collecting cavity, and the bottom of the collecting cavity passes through. The secondary screening mesh plate is obliquely installed below the screening roller cage, and the driving motor is electrically connected to the control unit.

[0008] Preferably, the leakage hole size of the secondary screening mesh plate is smaller than the leakage hole size of the screening roller cage.

[0009] Preferably, a seed collecting box is further provided on the side of the collecting installation body, the seed collecting box is located at the lowest point of the inclined end of the secondary screening mesh plate, and the seed collecting box is communicated with the collecting cavity.

[0010] Preferably, the upper end surface of the collecting installation body is also provided with a dead leaf removal mechanism, and the dead leaf removal mechanism includes a mounting bracket and a fan, the mounting bracket is installed on the upper end surface of the collecting installation body, and the fan is installed on the mounting bracket. The fan is electrically connected to the control unit, and the output end of the fan is beveled to the circumferential surface of the screening roller cage.

[0011] Preferably, the vibration harvesting mechanism further includes a micro-vibration motor, an output mounting plate, a mounting base and a retractable output rod. The micro-vibration motor is mounted on the collection mounting body through the mounting base. The output mounting plate is mounted on the output end of the micro-vibration motor. The micro-vibration motor is electrically connected to the control unit. A plurality of retractable output rods are rotatably provided on the output mounting plate. The action member is mounted on the upper protruding end of the retractable output rod.

[0012] Preferably, the action member includes a mounting rod, a holding hook, a spring, a toggle block and an elastic block, the mounting rod is rotatably arranged at the end of the telescopic output rod, the holding hook is installed at the end of the mounting rod, a slide groove is provided on the end of the mounting rod, and a mounting groove is provided on the mounting rod along its radial direction, one end of the spring is connected to the bottom of the mounting groove, and the other end is connected to the elastic block, the elastic block is slidably arranged in the mounting groove, the toggle block is arranged on the elastic block, and the toggle block is slidably arranged in the slide groove, and the main stem of the column plant is clamped by the joint action of the holding hook and the elastic block.

[0013] Preferably, the seed collecting and feeding mechanism includes a mounting sleeve, a soil fixing rod, a mounting seat plate, a first half net cylinder, a second half net cylinder and a flexible conveying path, the mounting sleeve is mounted on the mounting rod, and extension blocks are provided on the opposite ends of the mounting sleeve, and a plug hole is passed through the extension block, and the soil fixing rod is inserted into the soil through the plug hole, and the mounting seat plate is mounted on the upper end surface of the soil fixing rod, and the first half net cylinder and the second half net cylinder are rotatably mounted on the mounting seat plate, and a slot is provided on either the first half net cylinder or the second half net cylinder, and a plug block is provided on the other, through the slot Cooperating with the plug block, the first half mesh tube and the second half mesh tube form a complete mesh tube and are sleeved on the main stem of the plant. The inner end faces of the first half mesh tube and the second half mesh tube are both provided with elastic semicircular membranes. When the mesh tube is sleeved on the main stem of the plant, the elastic semicircular membrane abuts against the main stem of the plant to close the gap between the main stem and the inner circumference of the mesh tube, preventing seeds from leaking from the mesh tube. A connecting notch is provided on the mesh tube, and the flexible conveying path is installed on the connecting notch. The other end of the flexible conveying path is pulled above the screening and impurity removal mechanism and fixed on the collecting and installing body.

[0014] Preferably, the conveying surface of the flexible conveying path is smooth.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a hemp seed collector. The hemp seed collector is arranged in front of the plant during the maturity period of all seeds to implement real-time seed harvesting. All seeds can be comprehensively collected during the maturity process to prevent birds from eating them. At the same time, foreign matter mixed in the seeds can be screened out during the harvesting process to facilitate the development of hemp scientific research.

[0016] 2. The vibrating harvesting mechanism of the present invention can be equipped with multiple retractable output rods to enable harvesting of multiple plants. The retractable output rods transmit vibrations to drive the plants to shake. This device is suitable for harvesting hemp seeds on a small scale (small batch) and specifically for agricultural research and harvesting work.

[0017] 3. The seed collector of the present invention is provided with a screening and impurity removal mechanism, which is provided with multiple screening layers, which can separate seeds from dry leaves, debris, stalks, branches and other debris, obtain cleaner seeds, reduce the work of later screening, and improve the harvesting efficiency and quality of hemp seeds.

[0018] 4. The seed collector of the present invention is also provided with a seed collection and feeding mechanism, which can be looped around the main stem of the plant and the seeds are set in the net tube, which can effectively prevent birds from pecking at the seeds during the maturity period. At the same time, it can also prevent some of the first-mature seeds from falling off the plant and falling to the ground, affecting the final harvest yield and data, which is inconvenient for the collection and statistics of hemp seeds. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly describes the drawings required for describing the embodiments. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0020] Figure 1 This is a schematic diagram of the overall device of the present invention in use; Figure 2 A top view of the overall device of the present invention (without the flexible conveyor track installed); Figure 3 A schematic diagram of the three-dimensional structure of the collection crane mechanism in the present invention; Figure 4 A schematic diagram of the three-dimensional structure of the collection driving mechanism of the present invention from another perspective; Figure 5 It is an exploded view of the active parts in the present invention; Figure 6 It is a structural diagram of the seed collecting and feeding mechanism in the present invention.

[0021] 100-collecting driving mechanism, 110-collecting installation body, 111-seed collection box, 120-universal travel wheel, 130-push handle, 140-dead leaf removal mechanism, 141-mounting bracket, 142-fan, 200-screening and impurity removal mechanism, 210-drive motor, 220-rotating shaft, 230-screening roller cage, 240-material receiving opening, 250-secondary screening mesh plate, 300-vibration harvesting mechanism, 310-acting part , 311-installation rod, 312-holding hook, 313-slide block, 314-elastic block, 320-micro vibration motor, 330-output mounting plate, 340-installation base, 350-retractable output rod, 400-seed feeding mechanism, 410-installation sleeve, 420-soil-fixing rod, 430-installation seat plate, 440-first half of the net cylinder, 450-second half of the net cylinder, 460-flexible conveyor path, 470-elastic semicircular membrane. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0023] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the present invention.

[0024] In the description of the present invention, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The terms "first," "second," and "third" are used solely for descriptive purposes and to distinguish technical features. They are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0026] Example like Figures 1 to 6 As shown, the present invention provides a hemp seed collector, which specifically includes a collecting traveling mechanism 100 installed in front of the plant to be harvested, and a screening and impurity removal mechanism 200 installed on the collecting traveling mechanism 100. The collecting traveling mechanism 100 is also provided with a vibration harvesting mechanism 300, and the vibration harvesting mechanism 300 acts on the main stem of the plant through an action member 310. The vibration output by the vibration harvesting mechanism 300 is transmitted to the main stem of the plant through the action member 310, causing the plant to shake, thereby driving the mature seeds on the plant to fall off. Furthermore, the action member 310 is provided with a seed collection and feeding mechanism 400 for receiving and conveying seeds to the screening and impurity removal mechanism 200. The seed collection and feeding mechanism 400 is ringed on the main stem of the plant to receive the seeds that have fallen and convey them to the screening and impurity removal mechanism 200.

[0027] Preferably, the collecting carriage mechanism 100 includes a collecting installation body 110, universal travel wheels 120, a push handle 130, and a control unit. The universal travel wheels 120 are mounted on the bottom of the collecting installation body 110, the push handle 130 is mounted on the collecting installation body 110, and the control unit is mounted on the collecting installation body 110. By configuring the collecting carriage mechanism 100, it is more convenient to transport the collector to a designated harvesting location for seed harvesting.

[0028] In some preferred embodiments, a collecting cavity is formed in the collecting installation body 110, and the screening and impurity removal mechanism 200 includes a driving motor 210, a rotating shaft 220, a screening roller cage 230, a material receiving opening 240 and a secondary screening mesh plate 250. The driving motor 210 is installed on the collecting installation body 110, and the rotating shaft 220 is rotatably installed in the collecting cavity. The output end of the driving motor 210 is connected to the rotating shaft 220, and the screening roller cage 230 is installed on the rotating shaft 220. The material receiving opening 240 is installed at the feed port of the collecting cavity. A part of the screening roller cage 230 is higher than the feed end face of the collecting cavity, and the bottom of the collecting cavity passes through. The secondary screening mesh plate 250 is installed obliquely below the screening roller cage 230.

[0029] The materials vibrated by the vibration harvesting mechanism 300 and then transported to the material receiving opening 240 by the seed collecting and conveying mechanism 400 include seeds, dry leaves, branches, debris, etc. Furthermore, a seed collecting box 111 is also provided on the side of the collecting and installing body 110. The seed collecting box 111 is located at the lowest point of the inclined end of the secondary screening mesh plate 250, and the seed collecting box 111 is connected to the collecting cavity. It is worth mentioning that the leakage holes of the secondary screening mesh plate 250 are smaller than those of the screening roller cage 230. This is to separate seeds from larger leaves through the screening roller cage 230. Seeds and other debris (such as branches and stems) enter the collection chamber through the leakage holes on the screening roller cage 230, while larger leaves and branches remain at the receiving opening 240. The seeds are then further screened by the secondary screening mesh plate 250. The seeds remain in the secondary screening mesh plate 250, while other debris (such as branches and stems) are discharged from the leakage holes of the secondary screening mesh plate 250. At the same time, the seeds are uniformly transported to the seed collection box 111 for collection through the guidance of the secondary screening mesh plate 250. The drive motor 210 is electrically connected to the control unit.

[0030] In some preferred embodiments, a dead leaf removal mechanism 140 is further provided on the upper end surface of the collecting installation body 110. The dead leaf removal mechanism 140 includes a mounting bracket 141 and a fan 142. The mounting bracket 141 is mounted on the upper end surface of the collecting installation body 110, and the fan 142 is mounted on the mounting bracket 141. The fan 142 is electrically connected to the control unit, and the output end of the fan 142 is obliquely cut to the circumference of the screening roller cage 230. The fan 142 blows dry leaves and the like located at the material receiving opening 240 out of the material receiving opening 240, thereby preventing larger debris from clogging the material leakage through-hole of the screening roller cage 230.

[0031] Preferably, the vibration harvesting mechanism 300 further includes a micro-vibration motor 320, an output mounting plate 330, a mounting base 340, and a retractable output rod 350. The micro-vibration motor 320 is mounted on the collection mounting body 110 via the mounting base 340. The output mounting plate 330 is mounted on the output end of the micro-vibration motor 320. The micro-vibration motor 320 is electrically connected to the control unit. A plurality of retractable output rods 350 are rotatably mounted on the output mounting plate 330, and the actuator 310 is mounted on the upper protruding end of the retractable output rod 350. This device can be used to harvest multiple plants by providing multiple retractable output rods 350. The retractable output rods 350 transmit vibration to drive the plants to shake. This device is suitable for harvesting hemp seeds on a small scale (small batch) and specifically for agricultural research and harvesting. It is worth mentioning that in order to ensure that all seeds on the plants can be collected and all seeds are in a fully mature state during the collection process, the seed collector is placed at the designated collection site for about 20 days, and the control unit controls the micro vibration motor 320 to vibrate once every three days, each vibration for 3-5 minutes.

[0032] In some preferred embodiments, the action member 310 includes a mounting rod 311, a holding hook 312, a spring, a toggle block 313 and an elastic block 314. The mounting rod 311 is rotatably arranged at the end of the retractable output rod 350, and the holding hook 312 is installed at the end of the mounting rod 311. A slide groove is provided on the end of the mounting rod 311, and a mounting groove is provided on the mounting rod 311 along its radial direction. One end of the spring is connected to the bottom of the mounting groove, and the other end is connected to the elastic block 314. The elastic block 314 is slidably arranged in the mounting groove, and the toggle block 313 is arranged on the elastic block 314. The toggle block 313 is slidably arranged in the slide groove, and the main stem of the column plant is clamped by the joint action of the holding hook 312 and the elastic block 314. Since the diameter of the main stem of each plant is different (the plant height is 1.5-1.8m, and the main stem is 1.5-3.5cm (mostly 2.5-3.5cm)), the action member 310 is configured as an elastic member to adapt to the clamping of plants of different diameters to ensure stable transmission of vibration.

[0033] In some preferred embodiments, the seed collecting and feeding mechanism 400 includes an installation sleeve 410, a soil-fixing rod 420, a mounting base plate 430, a first half mesh cylinder 440, a second half mesh cylinder 450 and a flexible conveying path 460. The installation sleeve 410 is sleeved on the installation rod 311, and extension blocks are provided on the opposite ends of the installation sleeve 410. The extension blocks are penetrated by a socket, and the soil-fixing rod 420 is inserted into the soil through the socket to fix the seed collecting and feeding mechanism 400 and ensure stability during the harvesting process. The mounting base plate 430 is installed on the upper end surface of the soil-fixing rod 420, and the first half mesh cylinder 440 and the second half mesh cylinder 450 are rotatably installed on the mounting base plate 430. A slot is provided on either the first half mesh cylinder 440 or the second half mesh cylinder 450, and a plug block is provided on the other. Through the cooperation of the slot and the plug block, the first half mesh tube 440 and the second half mesh tube 450 form a complete mesh tube and are ringed on the main stem of the plant, and the branches above the main stem are covered by the first half mesh tube 440 and the second half mesh tube 450 to prevent the plant seeds from being exposed and pecked by birds. The inner end faces of the first half mesh tube 440 and the second half mesh tube 450 are both provided with elastic semicircular membranes 470. When the mesh tube is ringed on the main stem of the plant, the elastic semicircular membrane 470 abuts against the main stem of the plant to close the gap between the main stem and the inner circumference of the mesh tube to prevent seeds from leaking from the mesh tube. A connecting notch is provided on the mesh tube, and the flexible conveying path 460 is installed on the connecting notch. The other end of the flexible conveying path 460 is pulled above the screening and impurity removal mechanism 200 and fixed on the collecting and installing body 110. The first half mesh tube 440 and the second half mesh tube 450 are top-closed structures. The mesh tube formed by the combination of the two can enclose all branches and leaves above the main stem of the plant, including the seeds, in the mesh tube, effectively preventing birds from pecking at the seeds during the maturation process, or preventing the seeds from falling off and onto the ground, affecting the statistical data after harvest.

[0034] It is worth mentioning that the conveying surface of the flexible conveying path 460 is smooth, in order to reduce the friction between the material and the conveying surface during the conveying process, ensure smooth conveying, and avoid blockage.

[0035] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A hemp seed collector, characterized in that: include: A collecting crane mechanism (100) is mounted in front of the plants to be harvested; A screening and impurity removal mechanism (200) mounted on the collecting crane mechanism (100); a vibration harvesting mechanism (300), which is mounted on the collecting traveling mechanism (100) and acts on the main stem of the plant through an action member (310); The seed collecting and conveying mechanism (400) is mounted on the action member (310) and is encircled on the main stem of the plant to receive the seeds that have fallen and convey them to the screening and impurity removal mechanism (200).

2. A hemp seed collector according to claim 1, characterized in that: The collection vehicle mechanism (100) comprises a collection installation body (110), a universal travel wheel (120), a push handle (130) and a control unit, wherein the universal travel wheel (120) is mounted on the bottom of the collection installation body (110), the push handle (130) is mounted on the collection installation body (110), and the control unit is mounted on the collection installation body (110).

3. A hemp seed collector according to claim 2, characterized in that: A collecting cavity is formed in the collecting installation body (110), and the screening and impurity removal mechanism (200) includes a driving motor (210), a rotating shaft (220), a screening roller cage (230), a material receiving opening (240) and a secondary screening mesh plate (250). The driving motor (210) is installed on the collecting installation body (110), and the rotating shaft (220) is rotatably installed in the collecting cavity. The output end of the driving motor (210) is connected to the rotating shaft (220), the screening roller cage (230) is installed on the rotating shaft (220), and the material receiving opening (240) is installed at the feed port of the collecting cavity. A part of the screening roller cage (230) is higher than the feed end face of the collecting cavity, and the bottom of the collecting cavity passes through. The secondary screening mesh plate (250) is tiltedly installed below the screening roller cage (230), and the driving motor (210) is electrically connected to the control unit.

4. A hemp seed collector according to claim 3, characterized in that: The size of the leakage holes of the secondary screening mesh plate (250) is smaller than the size of the leakage holes of the screening roller cage (230).

5. The hemp seed collector according to claim 3, characterized in that: A seed collection box (111) is also provided on the side of the collecting installation body (110), the seed collection box (111) is located at the lowest point of the inclined end of the secondary screening mesh plate (250), and the seed collection box (111) is communicated with the collection cavity.

6. The hemp seed collector according to claim 3, characterized in that: The upper end surface of the collecting installation body (110) is further provided with a dead leaf removal mechanism (140), and the dead leaf removal mechanism (140) includes a mounting bracket (141) and a fan (142), wherein the mounting bracket (141) is mounted on the upper end surface of the collecting installation body (110), and the fan (142) is mounted on the mounting bracket (141), and the fan (142) is electrically connected to the control unit, and the output end of the fan (142) is obliquely cut to the circumference of the screening roller cage (230).

7. The hemp seed collector according to claim 2, characterized in that: The vibration harvesting mechanism (300) further comprises a micro-vibration motor (320), an output mounting plate (330), a mounting base (340) and a retractable output rod (350); the micro-vibration motor (320) is mounted on the collection mounting body (110) via the mounting base (340); the output mounting plate (330) is mounted on the output end of the micro-vibration motor (320); the micro-vibration motor (320) is electrically connected to the control unit; a plurality of retractable output rods (350) are rotatably provided on the output mounting plate (330); and the action member (310) is mounted on the upper protruding end of the retractable output rod (350).

8. The hemp seed collector according to claim 7, characterized in that: The action member (310) includes a mounting rod (311), a holding hook (312), a spring, a toggle block (313) and an elastic block (314). The mounting rod (311) is rotatably arranged at the end of the telescopic output rod (350). The holding hook (312) is mounted on the end of the mounting rod (311). A slide groove is provided on the end of the mounting rod (311). A mounting groove is provided on the mounting rod (311) along its radial direction. One end of the spring is connected to the bottom of the mounting groove, and the other end is connected to the elastic block (314). The elastic block (314) is slidably arranged in the mounting groove. The toggle block (313) is arranged on the elastic block (314). The toggle block (313) is slidably arranged in the slide groove. The main stem of the column plant is clamped by the joint action of the holding hook (312) and the elastic block (314).

9. The hemp seed collector according to claim 8, characterized in that: The seed collecting and feeding mechanism (400) includes a mounting sleeve (410), a soil-fixing rod (420), a mounting base plate (430), a first half-net cylinder (440), a second half-net cylinder (450) and a flexible conveying path (460). The mounting sleeve (410) is mounted on the mounting rod (311). Extension blocks are provided on opposite ends of the mounting sleeve (410). A plug hole is provided through the extension block. The soil-fixing rod (420) is inserted into the soil through the plug hole. The mounting base plate (430) is mounted on the upper end surface of the soil-fixing rod (420). The first half-net cylinder (440) and the second half-net cylinder (450) are rotatably mounted on the mounting base plate (430). The invention relates to a mesh cylinder having a slot and an insert block on the other side. The slot and the insert block cooperate to make the first half mesh cylinder (440) and the second half mesh cylinder (450) form a complete mesh cylinder and are sleeved on the main stem of the plant. The inner end faces of the first half mesh cylinder (440) and the second half mesh cylinder (450) are both provided with elastic semicircular membranes (470). When the mesh cylinder is sleeved on the main stem of the plant, the elastic semicircular membranes (470) abut against the main stem of the plant to close the gap between the main stem and the inner periphery of the mesh cylinder, thereby preventing seeds from leaking out of the mesh cylinder. The mesh cylinder is provided with a connecting notch. The flexible conveying path (460) is installed on the connecting notch. The other end of the flexible conveying path (460) is pulled above the screening and impurity removal mechanism (200) and fixed on the collecting and installing body (110).

10. The hemp seed collector according to claim 9, characterized in that: The conveying surface of the flexible conveying path (460) is smooth.

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