Pogonatum juniper sporophyte collecting device

Abstract

The invention relates to a pogonatum juniper sporophyte collecting device which comprises a cylinder, two first cutters, two conveying rollers, a thermal shrinkage film, two hot pressing pieces, a driving mechanism, a film cutting assembly and an opening assembly. According to the pogonatum juniper sporophore cutting device, the cylinder sleeves the pogonatum juniper sporophore from top to bottom, the two first cutters move oppositely to cut off the sporophore, the two first cutters and the cylinder form a closed space, so that the sporophore cannot fall off from the opening of the cylinder, then the cylinder is turned over, and the sporophore is cut off. After the sheared sporophytes fall into the heat shrinkage film through a bag opening under the action of gravity, the driving mechanism drives the two conveying rollers to rotate oppositely, the two hot-pressing pieces extrude and heat the heat shrinkage film, heat sealing is conducted on the heat shrinkage film, the film cutting assembly cuts off the heat-sealed heat shrinkage film to form an independent packaging bag, and finally the two first cutters are opened, so that the independent packaging bag is formed. According to the method, the sporophytes of pogonatum juniper do not need to be contacted by hands, and the collected sporophytes are independently packaged, so that hybridization or pollution among spores can be prevented.

Description

Technical Field

[0001] This invention relates to the field of artificial cultivation technology, and in particular to a device for collecting sporophytes of *Bryophytum juniper*. Background Technology

[0002] *Leucobryum juniperense* is a plant belonging to the family Leucobryaceae and the genus *Leucobryum*. It grows primarily on tree trunks and rock faces in broad-leaved forests at altitudes of 1300-3600 meters. The plant grows densely in clumps, with single or branched stems. Leaves are clustered, with rectangular or nearly square basal leaf cells. Leaf cell shape varies considerably, being smooth, with differentiated or undifferentiated horn cells. It is mostly dioecious. The capsule is long, erect or swan-neck shaped; the capsule is erect or curved, ovoid to cylindrical, or oblong, with stomata. The annulus is differentiated or absent. The operculum usually has a beak. The cap is hooded or bell-shaped. The sporophyte of *Leucobryum juniperense* consists of the capsule and the capsule at the apex of the capsule. The long, stiff capsule provides strong support and parasitizes the gametophyte.

[0003] Because *Leucobryum juniperense* is sensitive to humidity and temperature (high temperatures of 38°C or humidity <50% can be fatal), its spore germination rate in the wild is limited by the environment. Furthermore, as a bryophyte without seeds or flowers, its reproduction relies entirely on spores. To significantly improve seedling survival rates and expand its population under controlled artificial conditions, thus supporting scientific research and conservation efforts for this endangered species, collecting sporophytes of *Leucobryum juniperense* is a necessary means of artificial propagation, avoiding the damage to its native environment caused by direct transplantation in the wild.

[0004] Currently, when collecting sporophytes from *Bryophytum juniper*, collectors typically need to use tweezers to hold the base of the capsule, cut the sporophyte with a knife, and then place it into a collection bag by hand. However, collectors often crush the sporophyte in their hands, leaving some spores on their hands after contact. Furthermore, since collectors need to collect sporophytes from multiple locations, spores from subsequently collected sporophytes can easily come into contact with spores on their hands, leading to hybridization or contamination. Summary of the Invention

[0005] This invention provides a device for collecting sporophytes of *Alternaria juniper*, which can solve the problem of hybridization or contamination of sporophytes during the collection process in the prior art.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a device for collecting sporophytes of *Bryophytum juniper*, comprising:

[0007] A cylindrical body, the lower end of which has an opening, and two opposing first cutters are horizontally slidably connected to the lower ends of opposite side walls of the cylindrical body;

[0008] A film supply and sealing assembly includes: two conveying rollers rotatably connected inside a cylinder; a heat-shrinkable film for side sealing, passing through the space between the two conveying rollers from top to bottom; two heat-pressing components, each located at the edge of one of the two conveying rollers, arranged symmetrically; and a driving mechanism connected to the two conveying rollers, which, viewed from the direction of movement of the heat-shrinkable film, drives the two conveying rollers to rotate at the same speed in opposite directions.

[0009] A film-cutting assembly, located inside the cylinder, is used to separate the heat-sealed portion of the heat-shrinkable film from the rest of the heat-shrinkable film.

[0010] An opening assembly, located between the film supply sealing assembly and the first cutter, is used to open the lower end of the heat-shrink film to form a bag opening.

[0011] Preferably, the film cutting assembly includes a second cutter and a cutter groove, wherein one of the conveying rollers is provided with the second cutter and the other conveying roller is provided with a cutter groove adapted to the second cutter.

[0012] Preferably, the opening assembly includes: a negative pressure generating device disposed inside the cylinder; a suction cup connected to the negative pressure generating device by an air tube; and a position adjusting mechanism fixedly connected to the suction cup, the position adjusting mechanism being used to move the suction cup closer to or away from the heat shrink film.

[0013] Preferably, the position adjustment mechanism includes: an annular component, which is coaxially arranged with the conveying roller and has a notch at its edge; and a connecting rod, which has a protrusion that matches the notch, and is horizontally and elastically connected to the inside of the cylinder, with its lower end fixedly connected to a suction cup.

[0014] Preferably, two handles are hinged to the opposite side walls of the cylinder, and a first elastic element is provided between the handles and the side walls of the cylinder. The first elastic element is located above the hinge part between the handle and the cylinder. The lower end of the handle is provided with a waist-shaped hole, and the end of the first cutter is provided with a cylindrical pin inserted into the waist-shaped hole.

[0015] Preferably, the interior of the cylinder is provided with a wedge-shaped guide plate located between the film cutting assembly and the first cutter.

[0016] Preferably, a heat-insulating part is provided between the hot pressing component and the conveying roller.

[0017] Compared to existing technologies, this invention utilizes a combination of a cylindrical body, two first cutters, two conveying rollers, a heat-shrink film, two heat-pressing components, a drive mechanism, a film-cutting assembly, and an opening assembly. In use, the opening assembly opens the lower end of the heat-shrink film to form a bag opening. The cylindrical body is then placed over the sporophyte of *Alternaria juniper* from top to bottom. The two first cutters, moving in opposite directions, cut off the sporophyte. Because the two first cutters and the cylindrical body form a closed space, the sporophyte will not fall out of the opening. The cylindrical body is then flipped over, and the cut sporophyte, under gravity, falls through the bag opening into the heat-shrink film. The drive mechanism then drives the two conveying rollers to rotate in opposite directions, and the two heat-pressing components squeeze and heat-seal the heat-shrink film. The film-cutting assembly cuts the heat-sealed film to form individual packaging bags. Finally, the two first cutters are opened, and the heat-seal individual packaging bags are removed. In this invention, there is no need for human hand contact with the sporophyte of *Alternaria juniper*, and the collected sporophyte is packaged individually, which helps prevent hybridization or contamination between sporophytes. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the main cross-sectional view of the cylindrical body of the present invention;

[0020] Figure 3 This is a schematic diagram of the main structure of one of the conveying rollers of the present invention;

[0021] Figure 4 This is a schematic diagram of another conveyor roller structure according to the present invention;

[0022] Figure 5 This is a bottom view of the cylindrical structure of the present invention;

[0023] Figure 6 This is a schematic diagram of the rear view structure of the present invention.

[0024] In the diagram: 1. Cylinder; 2. First cutter; 3. Conveyor roller; 4. Second cutter; 5. Heat shrink film; 6. Hot pressing component; 7. Cutter groove; 8. Heat insulation part; 9. Negative pressure generating device; 10. Suction cup; 11. Ring component; 12. Notch; 13. Connecting rod; 14. Protrusion; 15. Wedge-shaped guide plate; 16. Holding rod; 17. First elastic component; 18. Waist-shaped hole; 19. Cylindrical pin; 20. Second elastic component. Detailed Implementation

[0025] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the technical solution of this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0026] like Figures 1-6 As shown, a device for collecting sporophytes of *Bryophytum juniper* includes:

[0027] The lower end of the cylinder 1 has an opening, and the lower ends of the opposite side walls of the cylinder 1 are horizontally slidably connected to two opposing first cutters 2.

[0028] The film supply sealing assembly includes: two conveying rollers 3 rotatably connected inside the cylinder 1; a heat-shrinkable film 5, which provides a side seal and passes through the space between the two conveying rollers 3 from top to bottom; two heat-pressing components 6, each located at the edge of one of the two conveying rollers 3, symmetrically arranged, made of a thermally conductive material such as copper or iron, with an electric heating wire inside each component that generates heat and transfers it to the surface of the component; and a driving mechanism connected to the two conveying rollers 3, which, viewed from the direction of movement of the heat-shrinkable film 5, drives the two conveying rollers 3 to rotate at the same speed in opposite directions.

[0029] A film cutting assembly is located inside the cylinder 1 and is used to separate the heat-sealed portion of the heat-shrinkable film 5 from the rest of the heat-shrinkable film 5.

[0030] An opening assembly is located between the film supply sealing assembly and the first cutter 2. The opening assembly is used to open the lower end of the heat shrink film 5 to form a bag opening.

[0031] In practical use, the opening assembly opens the lower end of the heat-shrink film 5 to form a bag opening. The cylinder 1 is then placed over the outside of the *Bryophytum juniper* sporophyte from top to bottom. The sporophyte is cut off by the opposing movement of the two first cutters 2. Since the two first cutters 2 and the cylinder 1 form a closed space, the sporophyte will not fall out of the opening of the cylinder 1. Then, the cylinder 1 is flipped over, and the cut sporophyte falls into the heat-shrink film 5 through the bag opening under the action of gravity. The drive mechanism then drives the two conveying rollers 3 to rotate in opposite directions, and the two heat-pressing components 6 extrude... The heat-shrink film 5 is pressed and heated to heat-seal it. The film-cutting assembly cuts the heat-shrink film 5 after heat sealing to form an individual packaging bag. Then, the two first cutters 2 are opened, and the heat-sealed individual packaging bags are taken out. The cylinder 1 is rotated again so that the open end of the cylinder 1 faces downward. The two conveying rollers 3 continue to rotate in opposite directions, pulling the heat-shrink film 5 so that the end of the heat-shrink film 5 moves to the suction cup 10. The suction cup 10 opens the lower end of the heat-shrink film 5 again to form a bag opening, waiting for the next collection of sporophytes of *Bryophytum juniper*.

[0032] To prevent hybridization or contamination between spores of *Bryum juniper*, the preferred film-cutting assembly includes a second cutter 4 and a cutter groove 7, wherein the second cutter 4 is provided on one conveying roller 3 and the cutter groove 7 is provided on the other conveying roller 3 to be adapted to the second cutter 4.

[0033] Specifically, after the heat-shrink film 5 is heat-sealed by the two heat-pressing components 6, the two conveying rollers 3 continue to rotate. When the second cutter 4 is inserted into the cutter groove 7, the second cutter 4 cuts off the heat-shrink film 5 after heat sealing to form an independent package, which helps to prevent hybridization or contamination between the spores of Cypressus leucopsis.

[0034] To prevent hybridization or contamination between spores of *Bryum juniper*, the opening assembly preferably includes: a negative pressure generating device 9, which is disposed inside the cylinder 1 and is a vacuum generator or vacuum pump; a suction cup 10, with an air tube connected between the suction cup 10 and the negative pressure generating device 9; and a position adjusting mechanism, which is fixedly connected to the suction cup 10 and is used to move the suction cup 10 closer to or away from the heat-shrink film 5.

[0035] Preferably, the position adjustment mechanism includes: an annular component 11, which is coaxially arranged with the conveying roller 3, and has a notch 12 at its edge; a connecting rod 13, which has a protrusion 14 that matches the notch 12; a guide rod is horizontally arranged inside the cylinder 1; the connecting rod 13 is slidably connected to the cylinder 1 through the guide rod; a second elastic element 20 is provided between the connecting rod 13 and the inner wall of the cylinder 1; the second elastic element 20 is a spring or a metal sheet; and the lower end of the connecting rod 13 is fixedly connected to the suction cup 10.

[0036] Specifically, during the downward conveying of the heat-shrinkable film 5 by the two conveying rollers 3, the protrusion 14 contacts the outer surface of the annular part 11, and the connecting rod 13 drives the suction cup 10 away from the heat-shrinkable film 5 and squeezes the second elastic element 20 to prevent the suction cup 10 from obstructing the conveying of the heat-shrinkable film 5. After the heat-shrinkable film 5 is conveyed, the protrusion 14 is embedded in the notch 12, and the suction cup 10 approaches the heat-shrinkable film 5 under the action of the elastic potential energy of the second elastic element 20. The negative pressure generating device 9 works at the two suction cups 10 to generate negative pressure, pulling the heat-shrinkable film 5 to both sides, so that the lower end of the heat-shrinkable film 5 forms a bag opening for the spore body to enter. After the spore body enters the bag opening, the negative pressure generating device 9 stops working, making it convenient for the subsequent collection personnel to take out the packaging bag.

[0037] To facilitate the collection of sporophytes of *Bryophytum juniper*, preferably, two handles 16 are hinged to the opposite side walls of the cylinder 1. A first elastic element 17 is provided between the handles 16 and the side walls of the cylinder 1. The first elastic element 17 is a spring or a metal sheet. The first elastic element 17 is located above the hinge joint between the handles 16 and the cylinder 1. A waist-shaped hole 18 is provided at the lower end of the handles 16. A cylindrical pin 19 is provided at the end of the first cutter 2 and inserted into the waist-shaped hole 18.

[0038] Specifically, during sporophyte collection, the collector holds the upper part of the two gripping rods 16 inward with one hand. The lower ends of the two gripping rods 16 rotate away from the cylinder 1 with the hinge, compressing the first elastic element 17. The waist-shaped hole 18 drives the first cutter 2 to move outward through the cylindrical pin 19, opening the opening end of the cylinder 1. Then, after the cylinder 1 is placed over the sporophyte of *Bryum juniperii* from top to bottom, the two gripping rods 16 are released. The gripping rods 16 will return to their original position under the elastic potential energy of the first elastic element 17. The two first cutters 2 move towards each other to cut off the sporophyte of *Bryum juniperii*.

[0039] In order to prevent hybridization or contamination between spores of *Bryophytum juniper*, preferably, a wedge-shaped guide plate 15 is provided inside the cylinder 1 between the film cutting assembly and the first cutter 2.

[0040] Specifically, after the heat shrink film 5 is transported, the lower end of the heat shrink film 5 will extend downward beyond the upper edge of the wedge-shaped guide plate 15. In this way, after the lower end of the heat shrink film 5 is opened, the lower end of the heat shrink film 5 contacts the inner wall of the wedge-shaped guide plate 15, forming a good flow guiding structure, so that the spores can flow smoothly into the interior of the heat shrink film 5.

[0041] In order to avoid damage to the heat shrink film 5, preferably, a heat-insulating part 8 is provided between the heat-pressing part 6 and the conveying roller 3, and the heat-insulating part 8 is made of heat-insulating material such as a vacuum plate.

[0042] Specifically, by setting the heat-insulating part 8, the heat of the hot pressing part 6 is prevented from being transferred to the conveying roller 3, so as to avoid the conveying roller 3 being heated and affecting the conveying of the heat-shrink film 5.

[0043] In use, the collector holds the upper part of the two grips 16 inward with one hand. The lower ends of the two grips 16 rotate away from the cylinder 1 with the hinge, compressing the first elastic element 17. The waist-shaped hole 18 drives the first cutter 2 to move outward through the cylindrical pin 19. Then, the cylinder 1 is placed over the sporophyte of *Bryum juniperii* from top to bottom. The two grips 16 are then released, and the grips 16 will return to their original position under the elastic potential energy of the first elastic element 17. The two first cutters 2 move towards each other to cut off the sporophyte of *Bryum juniperii*. Then, the cylinder 1 is flipped over, and the cut sporophyte falls into the heat-shrink film 5 through the bag opening under the action of gravity. The drive mechanism drives the two conveying rollers 3 to rotate towards each other, and the two heat-pressing elements 6 squeeze and... Heating the heat-shrink film 5 seals it. The two conveying rollers 3 continue to rotate. When the second cutter 4 is inserted into the cutter groove 7, the second cutter 4 cuts off the heat-shrink film 5 after heat sealing. Hold the upper part of the two handles 16 again to open the opening end of the cylinder 1. After taking out the heat-sealed individual packaging bag, rotate the cylinder 1 again so that the opening end of the cylinder 1 faces down. The two conveying rollers 3 continue to rotate in opposite directions, pulling the heat-shrink film 5 so that the end of the heat-shrink film 5 moves to the suction cup 10. The negative pressure generating device 9 works at the two suction cups 10 to generate negative pressure, pulling the heat-shrink film 5 to both sides, so that the lower end of the heat-shrink film 5 forms a bag opening for the spores to enter, waiting for the next collection of juniper white hairs spores.

[0044] Compared to existing technologies, this invention utilizes a combination of a cylindrical body 1, two first cutters 2, two conveying rollers 3, a heat-shrink film 5, two heat-pressing components 6, a drive mechanism, a film-cutting assembly, and an opening assembly. In use, the opening assembly opens the lower end of the heat-shrink film 5 to form a bag opening. The cylindrical body 1 is then placed over the sporophyte of *Bryophytum juniper* from top to bottom. The two first cutters 2 move in opposite directions to cut off the sporophyte. Because the two first cutters 2 and the cylindrical body 1 form a closed space, the sporophyte will not fall out of the opening of the cylindrical body 1. Then, the body is flipped over. In the cylinder 1, the cut spore bodies fall into the heat-shrink film 5 through the bag opening under gravity. The drive mechanism drives two conveying rollers 3 to rotate in opposite directions. Two heat-pressing components 6 squeeze and heat the heat-shrink film 5 to heat-seal it. The film-cutting assembly cuts the heat-shrink film 5 after heat sealing to form an individual packaging bag. Finally, the two first cutters 2 are opened to take out the heat-sealed individual packaging bags. In this invention, there is no need for human hands to touch the spore bodies of *Bryophytum juniper*. The collected spore bodies are packaged separately, which helps to prevent hybridization or contamination between spores.

[0045] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for collecting sporophytes of *Bryophytum juniper*, characterized in that, include: The lower end of the cylinder (1) has an opening, and the lower ends of the opposite side walls of the cylinder (1) are horizontally slidably connected to two opposing first cutters (2). A film supply sealing assembly includes: two conveying rollers (3) rotatably connected inside a cylinder (1); a heat-shrinkable film (5) for side sealing, the heat-shrinkable film (5) passing between the two conveying rollers (3) from top to bottom; two heat-pressing components (6), one heat-pressing component (6) is respectively provided at the edge of the two conveying rollers (3), the two heat-pressing components (6) are symmetrically arranged; and a driving mechanism connected to the two conveying rollers (3), the driving mechanism being used to drive the two conveying rollers (3) to rotate in opposite directions at the same speed from the direction of movement of the heat-shrinkable film (5). A film cutting assembly is located inside the cylinder (1) and is used to separate the heat-sealed portion of the heat-shrinkable film (5) from the rest of the heat-shrinkable film (5). An opening assembly, located between the film supply sealing assembly and the first cutter (2), is used to open the lower end of the heat shrink film (5) to form a bag opening.

2. The device for collecting sporophytes of *Gynostemma pentaphyllum* according to claim 1, characterized in that: The film cutting assembly includes a second cutter (4) and a cutter groove (7), wherein the second cutter (4) is provided on one of the conveying rollers (3) and the cutter groove (7) adapted to the second cutter (4) is provided on the other conveying roller (3).

3. The device for collecting sporophytes of *Trifolium repens* according to claim 1, characterized in that: The opening assembly includes: a negative pressure generating device (9) which is disposed inside the cylinder (1); a suction cup (10) with an air tube connected between the suction cup (10) and the negative pressure generating device (9); and a position adjustment mechanism which is fixedly connected to the suction cup (10) and is used to move the suction cup (10) closer to or away from the heat shrink film (5).

4. The device for collecting sporophytes of *Trifolium repens* according to claim 3, characterized in that: The position adjustment mechanism includes: an annular component (11), which is coaxially arranged with the conveying roller (3), and has a notch (12) at the edge of the annular component (11); a connecting rod (13), which has a protrusion (14) adapted to the notch (12), and is horizontally elastically connected to the inside of the cylinder (1), and the lower end of the connecting rod (13) is fixedly connected to the suction cup (10).

5. The device for collecting sporophytes of *Trifolium repens* according to claim 1, characterized in that: Two handles (16) are hinged to the opposite side walls of the cylinder (1). A first elastic element (17) is provided between the handle (16) and the side wall of the cylinder (1). The first elastic element (17) is located above the hinge of the handle (16) and the cylinder (1). A waist-shaped hole (18) is provided at the lower end of the handle (16). A cylindrical pin (19) inserted into the waist-shaped hole (18) is provided at the end of the first cutter (2).

6. The device for collecting sporophytes of *Trifolium repens* according to claim 1, characterized in that: The inside of the cylinder (1) is provided with a wedge-shaped guide plate (15) located between the film cutting assembly and the first cutter (2).

7. The device for collecting sporophytes of *Trifolium repens* according to claim 1, characterized in that: A heat-insulating part (8) is provided between the hot pressing component (6) and the conveying roller (3).

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