A continuous production equipment and product of seedling raising tray based on straw crushing and compression

Abstract

This invention relates to the field of seedling cultivation technology, and more particularly to a continuous production equipment and product for seedling trays based on straw crushing and compression. The technical problem addressed by this invention is that existing seedling trays have high production costs, high recycling costs, and are prone to environmental pollution. The technical implementation of this invention includes a first shell, a second shell, etc., with the second shell located on top of the first shell. The straw seedling tray of this invention is made from straw as raw material and combined with urea glue to form an easily degradable seedling tray. It can be used as a regular seedling tray for seedling cultivation and also as fertilizer. During the degradation process, it produces various nutrients required for seedling growth, thereby achieving efficient seedling cultivation. Furthermore, the decomposition of the straw seedling tray also produces a small amount of formaldehyde, effectively preventing insect damage to the seedlings without harming them.

Description

Technical Field

[0001] This invention relates to the field of seedling raising technology, and in particular to a continuous production equipment and product for seedling trays based on straw crushing and compression. Background Technology

[0002] A seedling tray is a specialized tool for cultivating seedlings. It is lightweight, easy to use, and scientifically designed, providing a suitable growing environment for seedlings and thus improving their quality and survival rate.

[0003] Existing seedling trays are often made of polyvinyl chloride (PVC) or polyethylene (PE), which require petroleum resources for production, resulting in high production costs. Furthermore, recycling and disposal after disposal is costly and environmentally polluting. In addition, PVC and PE seedling trays often lack sufficient air permeability, which can interfere with seedling root development. To address this, a continuous production equipment and product for seedling trays based on straw crushing and compression has been designed. Straw-based seedling trays offer multiple advantages, including biodegradability, good air permeability, and nutrient provision, effectively replacing existing PVC and PE seedling trays. Summary of the Invention

[0004] In order to overcome the shortcomings of existing seedling trays, such as high production costs, high recycling costs, and easy environmental pollution, the technical problem of this invention is to provide a continuous production equipment and product for seedling trays based on straw crushing and compression.

[0005] The technical implementation of the present invention is as follows: a continuous production equipment for seedling trays based on straw crushing and compression, comprising a first shell, a second shell, a third shell, and a supporting shell. The second shell is located on top of the first shell, the third shell is located on top of the second shell, and the supporting shell is disposed on one side of the third shell. It also includes a crushing and spraying mechanism, a crushing and stirring mechanism, an activation mechanism, and a compression mechanism. The crushing and spraying mechanism is located inside the third shell and is used to crush the bundled straw for preliminary crushing. The crushing and stirring mechanism is located inside the second shell and is used to further crush the straw to make it into powder. The activation mechanism is located inside the second shell and is used to generate plasma wind to enhance the adhesion of the straw surface. The compression mechanism is located inside the first shell and is used to cold-press the straw powder to form straw seedling trays.

[0006] As a further optimization, the crushing and adhesive spraying mechanism includes a first motor, a first crushing roller, a second crushing roller, and a gear set. The first motor is mounted on the support housing. The first and second crushing rollers are rotatably disposed in the third housing and cooperate with each other. The output shaft of the first motor passes through the support housing and is fixedly connected to the first crushing roller. The gear set is disposed on one side of the support housing and is connected to the first and second crushing rollers to drive the first and second crushing rollers to rotate in opposite directions.

[0007] As a further optimization, the crushing and adhesive spraying mechanism also includes a secondary roller, a belt drive assembly, and a first scraper. The secondary rollers are rotatably arranged in a mirror image on the inner wall of the third housing, and the mirror-distributed secondary rollers cooperate with the first crushing roller and the second crushing roller respectively. The belt drive assembly is mirror-distributed on one side of the third housing, with one belt drive assembly connecting the first crushing roller and the secondary roller, and the other belt drive assembly connecting the second crushing roller and the secondary roller. The first scraper is mirror-distributed on the top of the third housing, and the first scraper is in contact with the secondary roller to clean the straw fragments remaining on the secondary roller.

[0008] As a further optimization, the crushing and spraying mechanism also includes a guide cylinder and a glue valve. The guide cylinder is located at the bottom of the third housing, and the glue valve is circumferentially distributed inside the guide cylinder.

[0009] As a further optimization, the crushing and mixing mechanism includes a screen cylinder, a fixed cylinder, a second motor, a rotating frame, and a second scraper. The screen cylinder is located at the bottom of the guide cylinder and has several screen holes. The fixed cylinder is located at the bottom of the screen cylinder. The second motor is installed inside the fixed cylinder. The rotating frame is rotatably located inside the screen cylinder, and the output shaft of the second motor passes through the fixed cylinder and is fixedly connected to the rotating frame. The second scraper is circumferentially distributed on the rotating frame and fits against the inner wall of the screen cylinder to cooperate with the screen cylinder in crushing straw.

[0010] As a further optimization, the crushing and mixing mechanism also includes scrapers. Scrapers are circumferentially distributed at the bottom of the rotating frame and fit against the bottom of the screen cylinder to further crush the straw in conjunction with the screen cylinder.

[0011] As a further optimization, the activation mechanism includes a high-voltage conductive tip, a high-voltage conductive ball, and a wind guide net. The high-voltage conductive tip and the high-voltage conductive ball are circumferentially spaced on the inner wall of the second shell. When the high-voltage conductive tip and the high-voltage conductive ball are energized, they are used to generate a vortex-shaped plasma wind in the second shell to ionize the straw fragments. The wind guide net is circumferentially distributed on the inner wall of the second shell, and the mesh of the wind guide net is relatively small.

[0012] As a further optimization, the compression mechanism includes a lower mold, a hydraulic cylinder, an upper mold, a guide cone, a storage sliding frame, a sliding plate, and a connecting rod. The lower mold is installed inside the first housing, and the hydraulic cylinder is mounted on the first housing. The output shaft of the hydraulic cylinder passes through the first housing and is fixedly installed on the upper mold. The upper mold can cooperate with the lower mold. The guide cone is located inside the first housing. The storage sliding frame is slidably installed inside the first housing. The top of the storage sliding frame is in contact with the guide cone, and several material passage holes are opened at the top and bottom of the storage sliding frame. The sliding plate is located on both sides of the storage sliding frame. The connecting rod is rotatably installed on one side of the sliding plate, and one end of the connecting rod is hinged to the upper mold.

[0013] As a further optimization, the compression mechanism also includes push rods and limit blocks. The push rods are rectangularly distributed and slidably disposed at the bottom of the lower mold. A guide groove is provided on one side of the sliding plate to guide the push rods to slide. The bottom of the push rods is slidably connected to the guide groove of the sliding plate. A rotating groove is provided on one side of the sliding plate, and the rotating groove is connected to the guide groove. The limit block is rotatably disposed inside the rotating groove, and a spring is connected between the limit block and the rotating groove.

[0014] As a further optimization, a seedling tray product based on straw crushing and compression includes a straw seedling tray. The straw seedling tray is made of straw fragments as raw material, bonded with urea glue and cold-pressed. The straw seedling tray has a grid-distributed deformation groove, which divides the entire straw seedling tray into multiple equally sized square areas. Each square area has a through-hole for drainage at its center.

[0015] The beneficial effects of this invention are: 1. This invention relates to straw seedling trays, which are made from straw as raw material and combined with urea glue to form easily degradable seedling trays. They can be used as ordinary seedling trays for seedling cultivation, or as fertilizer. During the degradation process, they produce various nutrients required by the seedlings during their growth, thereby promoting seedling growth. In addition, the decomposition of straw seedling trays can also produce a small amount of formaldehyde, which can effectively prevent pests from damaging the seedlings without harming them.

[0016] 2. This invention relates to straw seedling trays, which are made from straw as raw material. By utilizing the fibrous structure of straw, the trays can effectively retain moisture in the soil during the seedling raising process. Therefore, the seedlings can more effectively absorb nutrients from the soil, thus ensuring the successful cultivation of the seedlings.

[0017] 3. This invention relates to a continuous production equipment for seedling trays. By setting up an activation mechanism and a crushing and mixing mechanism, the crushing and spraying mechanism initially crushes the straw. The activation mechanism can generate plasma wind, which ionizes the surface of the straw and improves the adhesion of the straw fragments. The crushing and mixing mechanism further crushes the straw, and the high-speed rotation of the rotating frame accelerates the contact between the plasma wind and the straw fragments, thereby promoting the adhesion of the straw fragments. Based on the ionization of the straw fragment surface, the urea glue is fully mixed with the straw fragments, thus ensuring that the straw seedling trays have good mechanical strength when the straw is compressed into seedling trays by the compression mechanism. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic cross-sectional view of the entire invention; Figure 3 This is a cross-sectional schematic diagram of the crushing and spraying adhesive mechanism of the present invention; Figure 4This is a schematic diagram of the activation mechanism of the present invention; Figure 5 This is a schematic diagram of the crushing and stirring mechanism of the present invention; Figure 6 This is a cross-sectional schematic diagram of the compression mechanism of the present invention; Figure 7 This is a schematic diagram of the structure of the sliding plate of the present invention; Figure 8 This is a schematic diagram of the structure of the limiting block of the present invention; Figure 9 This is a schematic diagram of the structure of the upper and lower molds of the present invention; Figure 10 This is a schematic diagram of the structure of the straw seedling tray of the present invention; Figure 11 This is a cross-sectional schematic diagram of the straw seedling tray of the present invention.

[0019] The meanings of the reference numerals in the figure are as follows: 1-First housing, 101-Second housing, 102-Third housing, 103-Support housing, 2-Crushing and adhesive spraying mechanism, 201-First motor, 202-First crushing roller, 203-Second crushing roller, 204-Gear set, 205-Auxiliary roller, 206-Belt drive assembly, 207-First scraper, 208-Guide cylinder, 209-Adhesive valve, 3-Pulverizing and stirring mechanism, 301-Screw cylinder, 302-Fixed cylinder, 303-Second motor 304-Rotating frame, 305-Second scraper, 306-Scraper, 4-Activation mechanism, 401-High voltage conductive tip, 402-High voltage conductive ball, 403-Air guide net, 5-Compression mechanism, 501-Lower mold, 502-Hydraulic cylinder, 503-Upper mold, 504-Guiding cone, 505-Storage sliding frame, 506-Sliding plate, 507-Connecting rod, 508-Push rod, 509-Limiting block, 6-Straw seedling tray, 601-Drainage hole, 602-Deformation groove. Detailed Implementation

[0020] 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.

[0021] Example 1 A continuous seedling tray production device based on straw crushing and compression, such as Figures 1-2As shown, it includes a first shell 1, a second shell 101, a third shell 102, and a supporting shell 103. The second shell 101 is located on top of the first shell 1, the third shell 102 is located on top of the second shell 101, and the supporting shell 103 is located on one side of the third shell 102. It also includes a crushing and spraying mechanism 2, a crushing and mixing mechanism 3, an activation mechanism 4, and a compression mechanism 5. The crushing and spraying mechanism 2 is located inside the third shell 102 and is used to crush the bundled straw and perform preliminary crushing of the straw. The crushing and mixing mechanism 3 is located inside the second shell 101 and is used to further crush the straw and make it into powder. The activation mechanism 4 is located inside the second shell 101 and is used to generate plasma wind. The plasma wind can ionize the surface of the straw and enhance the adhesion of the straw surface through the attraction effect of ionization. The compression mechanism 5 is located inside the first shell 1 and is used to cold-press the straw powder to form a straw seedling tray 6.

[0022] like Figures 2-3 As shown, the crushing and spraying mechanism 2 includes a first motor 201, a first crushing roller 202, a second crushing roller 203, and a gear set 204. The first motor 201 is mounted on the support housing 103. The first crushing roller 202 and the second crushing roller 203 are rotatably connected inside the third housing 102. The circumferential surfaces of the first crushing roller 202 and the second crushing roller 203 are ratchet-shaped, and their tooth surfaces are in opposite directions. The tooth surfaces of the first crushing roller 202 and the second crushing roller 203 are interlocked. The output shaft of the first motor 201 passes through the support housing 103 and is fixedly connected to the first crushing roller 202. The gear set 204 includes a driving gear and a driven gear that mesh with each other. Both the driving gear and the driven gear are rotatably connected to one side of the support housing 103. The driving gear is fixed on the first crushing roller 202, and the driven gear is fixed on the second crushing roller 203. When the first motor 201 is started, it drives the first crushing roller 202 and the second crushing roller 203 to rotate in opposite directions through the gear set 204.

[0023] like Figures 2-3As shown, the crushing and spraying mechanism 2 also includes a secondary roller 205, a belt drive assembly 206, and a first scraper 207. The secondary roller 205 is rotatably connected to the inner wall of the third housing 102 in a mirror-image distribution, and the mirror-image distributed secondary rollers 205 respectively cooperate with the first crushing roller 202 and the second crushing roller 203. The circumferential surface of the secondary roller 205 is ratchet-shaped, and the tooth surfaces of the mirror-image distributed secondary rollers 205 are in the same direction as the adjacent first crushing roller 202 and second crushing roller 203, so that the tooth surfaces of the secondary roller 205 can cooperate with the tooth surfaces of the first crushing roller 202 and the second crushing roller 203 to crush the straw. The belt drive assembly 206 includes a drive pulley, a driven pulley, and a driven pulley. The driving wheel and drive belt, the driving wheel and the driven wheel are all mirror-distributed and rotatably connected to one side of the third housing 102. The driving wheel of one of the belt drive groups 206 is fixed to the first crushing roller 202, and the driven wheel is fixed to the auxiliary roller 205 close to the first crushing roller 202. The drive belt is sleeved on the driving wheel and the driven wheel. The driving wheel of the other belt drive group 206 is fixed to the second crushing roller 203, and the driven wheel is fixed to the auxiliary roller 205 close to the second crushing roller 203. The first scraper 207 is mirror-distributed on the top of the third housing 102, and the first scraper 207 is in contact with the auxiliary roller 205, and is used to clean the straw fragments remaining on the auxiliary roller 205.

[0024] like Figure 2 As shown, the crushing and spraying mechanism 2 also includes a guide cylinder 208 and a glue valve 209. The guide cylinder 208 is located at the bottom of the third housing 102, and the glue valve 209 is circumferentially distributed inside the guide cylinder 208. When the glue valve 209 is opened, urea glue can flow out. Urea glue is an adhesive resin that can effectively bond straw fragments and straw dust.

[0025] like Figures 4-5 As shown, the crushing and mixing mechanism 3 includes a sieve cylinder 301, a fixed cylinder 302, a second motor 303, a rotating frame 304, and a second scraper 305. The sieve cylinder 301 is located at the bottom of the guide cylinder 208, and has several sieve holes. The fixed cylinder 302 is located at the bottom of the sieve cylinder 301. The second motor 303 is installed inside the fixed cylinder 302. The rotating frame 304 is rotatably disposed inside the sieve cylinder 301, and the output shaft of the second motor 303 passes through the fixed cylinder 305. The cylinder 302 is fixedly connected to the rotating frame 304. The second scraper 305 is circumferentially distributed on the rotating frame 304 and is in contact with the inner wall of the sieve cylinder 301. When the second motor 303 is started, the second scraper 305 rotates at high speed to squeeze the straw fragments to the sieve holes of the sieve cylinder 301. The shear stress generated by the sieve holes of the sieve cylinder 301 and the second scraper 305 on the straw fragments is quickly and repeatedly cut into the straw, thereby further crushing the straw into powder.

[0026] like Figures 4-5As shown, the crushing and mixing mechanism 3 also includes a scraper 306. The scraper 306 is circumferentially distributed at the bottom of the rotating frame 304. The scraper 306 is attached to the bottom of the screen cylinder 301 and is used to squeeze the straw fragments to the screen holes of the screen cylinder 301. The straw is crushed by the shear stress generated by the screen holes of the screen cylinder 301 and the scraper 306 on the straw fragments.

[0027] like Figure 4 As shown, the activation mechanism 4 includes a high-voltage conductive tip 401, a high-voltage conductive ball 402, and a wind guide net 403. The high-voltage conductive tip 401 and the high-voltage conductive ball 402 are circumferentially spaced and fixed to the inner wall of the second shell 101. When high voltage is applied to the high-voltage conductive tip 401 and the high-voltage conductive ball 402, a strong electric field is generated, which ionizes the air around the electric field and generates a vortex-shaped plasma wind in the second shell 101 to ionize the straw fragments. The wind guide net 403 is circumferentially spaced and fixed to the inner wall of the second shell 101. The mesh of the wind guide net 403 is small, which allows the wind guide net 403 to ensure that the plasma wind passes through itself while also guiding the plasma wind to flow towards the straw fragments.

[0028] like Figures 5-7 and Figure 9 As shown, the compression mechanism 5 includes a lower mold 501, a hydraulic cylinder 502, an upper mold 503, a guide cone 504, a storage sliding frame 505, a sliding plate 506, and a connecting rod 507. The lower mold 501 is fixedly connected inside the first housing 1, and the hydraulic cylinder 502 is mounted on the first housing 1. The output shaft of the hydraulic cylinder 502 passes through the first housing 1 and is fixedly connected to the upper mold 503. The upper mold 503 can cooperate with the lower mold 501. The upper mold 503 is provided with a grid-like protrusion, and the lower mold 501 is provided with a columnar protrusion, guiding... The cone 504 is fixedly connected to the top of the first housing 1. The storage sliding frame 505 is slidably connected to the first housing 1. The top of the storage sliding frame 505 is in contact with the guide cone 504 to prevent the straw fragments from leaking out of the guide cone 504 during the sliding process. The top and bottom of the storage sliding frame 505 are provided with several material passage holes. The sliding plate 506 is fixedly connected to both sides of the storage sliding frame 505. The connecting rod 507 is hinged to one side of the sliding plate 506, and one end of the connecting rod 507 is hinged to the upper mold 503.

[0029] like Figures 6-8As shown, the compression mechanism 5 also includes a push rod 508 and a limiting block 509. The push rod 508 is rectangularly distributed and slidably disposed at the bottom of the lower mold 501. Two guide grooves are opened on one side of the sliding plate 506 to guide the push rod 508 to slide. The bottom of the push rod 508 is slidably connected to the guide groove of the sliding plate 506, so that the guide groove guides the push rod 508 to move up and down. The two guide grooves are staggered so that they cannot communicate with each other, so as to avoid the movement of the push rod 508 in one guide groove being interfered with by the other guide groove. A rotating groove is opened on one side of the sliding plate 506, which is connected to the guide groove. The limiting block 509 is rotatably connected inside the rotating groove. The rotating groove restricts the rotation range of the limiting block 509, and a spring is connected between the limiting block 509 and the rotating groove.

[0030] like Figures 10-11 As shown, a seedling tray product based on straw crushing and compression includes a straw seedling tray 6. The straw seedling tray 6 is made from straw fragments as raw material, bonded with urea glue and cold-pressed. The fiber structure of the straw fragments has better air permeability and water retention capacity. The bottom of the straw seedling tray 6 has a grid-distributed deformation groove 602 formed by the cold pressing process. The deformation groove 602 cleverly divides the bottom of the entire straw seedling tray 6 into multiple equally sized square areas. The cold pressing process also leaves a through-hole drainage hole 601 in the center of each square area. The drainage hole 601 facilitates the timely drainage of excess water during the seedling raising process, effectively promotes root respiration of seedlings, and thus prevents the roots of seedlings from rotting due to long-term soaking.

[0031] Workers first operate a straw baler, which collects and bundles the straw in the cultivated land. The straw is then rinsed with clean water and sterilized with high-temperature steam to prevent the straw-based seedling trays 6 from producing toxic substances that could harm the seedlings. The washed straw is then placed in a straw dryer, where it is quickly dried using hot air. This completes the drying and cleaning requirements for the straw during processing (the collection, washing, and drying of straw are existing technologies and will not be elaborated upon). After the straw is dried, it is then processed into the straw seedling trays 6. The operator starts the first motor 201, causing its output shaft to drive the first crushing roller 202 to rotate counterclockwise. Simultaneously, the first crushing roller 202 drives the second crushing roller 203 to rotate clockwise via a gear set 204. During this rotation, the first crushing roller 202 drives its adjacent auxiliary roller 205 to rotate synchronously in the same direction via one of the belt drive sets 206. Similarly, the second crushing roller 203 drives its adjacent auxiliary roller 205 to rotate synchronously in the same direction via another belt drive set 206. The operator then places the bundled straw into the crushing and adhesive spraying mechanism 2. When the straw contacts the first and second crushing rollers 202 and 203, the teeth of these rollers compress the straw downwards. The misaligned engagement of the teeth on the first and second rollers causes the straw to be compressed, resulting in significant stress. Under this stress, the straw breaks and falls to the ground for further processing. Furthermore, the first crushing roller 202, during its rotation, drives its adjacent auxiliary roller 205 to rotate synchronously in the same direction via one of the belt drive sets 206. Group 206 drives the adjacent auxiliary roller 205 to rotate in the same direction, thereby causing the tooth surface of the auxiliary roller 205 to be misaligned with the tooth surface of the first crushing roller 202 to squeeze and crush the straw. Similarly, during the rotation of the second crushing roller 203, it drives the adjacent auxiliary roller 205 to rotate in the same direction through another belt drive group 206, thereby causing the tooth surface of the auxiliary roller 205 to be misaligned with the tooth surface of the second crushing roller 203 to squeeze and crush the straw. The first crushing roller 202, the second crushing roller 203 and the auxiliary roller 205 rotate together to crush the straw, achieving the initial crushing of the straw.

[0032] It is worth noting that during the process of the first crushing roller 202, the second crushing roller 203, and the auxiliary roller 205 rotating together to crush straw, the straw will adhere to the first crushing roller 202, the second crushing roller 203, and the auxiliary roller 205 due to compression and its own fibrous structure. Specifically, the first crushing roller 202 and the second crushing roller 203, through their rotational cooperation with the auxiliary roller 205, cause the auxiliary roller 205 to rub against the straw fragments on the first crushing roller 202 and the second crushing roller 203, thereby causing the auxiliary roller 205 to drive the first crushing roller... Straw fragments on the first crushing roller 202 and the second crushing roller 203 fall off, while straw fragments on the auxiliary roller 205 are scraped off by the first scraper 207, thus detaching from the auxiliary roller 205 and falling downwards. The straw fragments on the first crushing roller 202, the second crushing roller 203 and the auxiliary roller 205 are scraped off, which can effectively prevent straw fragments from accumulating at the first crushing roller 202, the second crushing roller 203 and the auxiliary roller 205 and hindering the straw crushing process, thereby improving the crushing efficiency of the first crushing roller 202, the second crushing roller 203 and the auxiliary roller 205.

[0033] After the initial crushing of the straw, the straw fragments fall onto the screen cylinder 301. During this process, workers introduce a high-voltage positive charge into the high-voltage conductive tip 401 and simultaneously introduce a high-voltage negative charge into the high-voltage conductive ball 402, thereby creating a high-voltage electric field between the high-voltage conductive tip 401 and the high-voltage conductive ball 402. This high-voltage electric field ionizes the surrounding air, causing it to flow counterclockwise along the direction of the electric field, thus forming a plasma wind. On one hand, a portion of the plasma wind passes through the air guide net 403 to form a circular circulation, ensuring the smooth flow of the plasma wind at the high-voltage conductive tip 401 and the high-voltage conductive ball 402. On the other hand, as... Figure 4 As shown, due to the inclined setting of the air guide net 403, another part of the plasma air will be blocked by the air guide net 403, thus flowing in a spiral shape towards the center along the air guide net 403. At this time, the plasma air will pass through the screen holes of the screen cylinder 301 and blow onto the falling straw fragments, thereby ionizing the surface of the straw fragments and enhancing the adhesion of the straw fragments. At the same time, the staff will activate the glue valve 209, so that the glue valve 209 opens and the prepared urea glue flows out. The urea glue will flow downward along the guide cylinder 208, thereby adhering to the straw fragments inside the screen cylinder 301. Since the surface of the straw fragments has been ionized, the urea glue will quickly wet the straw fragments, thereby increasing the adhesion of the urea glue to the straw fragments, which helps to improve the mechanical strength of the straw seedling tray 6 during molding, and thus ensures the production quality of the straw seedling tray 6.

[0034] When the urea adhesive comes into contact with the straw fragments, the operator starts the second motor 303, causing the rotating shaft of the second motor 303 to drive the rotating frame 304 to rotate counterclockwise at high speed. The rotation of the rotating frame 304 drives the second scraper 305 and scraper 306 to rotate synchronously. On the one hand, the rotation of the second scraper 305 and scraper 306 will fully mix the urea adhesive with the straw fragments, thereby improving the wetting and adhesion effect of the urea adhesive on the straw fragments. Moreover, the rotation of the rotating frame 304 will further promote the spiral flow of the plasma air, accelerate the contact between the plasma air and the straw fragments, and thus promote the ionization of the straw fragment surface. On the other hand, the second scraper 305 and scraper 306 squeeze the straw fragments during the rotation process, and the straw fragments are squeezed through the sieve holes of the scraper 306 and the sieve cylinder 301. With the cooperation of the second scraper 305 and the screen holes of the screen cylinder 301, the straw fragments are crushed by repeated squeezing by the second scraper 305 and the scraper 306 in a short period of time, and then further crushed into straw powder. Since the straw powder is impregnated with urea glue, the straw powder will move in a clump with a certain fluidity. It is worth noting that in the initial state, the material passage of the storage sliding frame 505 is located at the bottom of the guide cone 504. Therefore, the clump of straw powder will flow out along the screen holes of the screen cylinder 301 and fall onto the storage sliding frame 505 along the guide cone 504. At this time, the straw powder will enter the interior of the storage sliding frame 505 through the material passage at the top of the storage sliding frame 505, completing the further crushing and transfer of straw.

[0035] When the storage sliding frame 505 is full of straw fragments, the workers can perform cold pressing manufacturing of the straw seedling tray 6. It is worth noting that in the initial state, since the material passage of the storage sliding frame 505 is located at the bottom of the guide cone 504, the output end of the hydraulic cylinder 502 is in an extended state, so that the upper mold 503 and the lower mold 501 are in a closed state. The workers start the hydraulic cylinder 502, causing the output end of the hydraulic cylinder 502 to retract upward, thereby driving the upper mold 503 to separate from the lower mold 501 and move upward. During the upward movement of the upper mold 503, the sliding plate 506 moves horizontally along the first shell 1 and approaches the lower mold 501 through the connecting rod 507. At the same time, the sliding plate 506 drives the storage sliding frame 505 to move synchronously. When the storage sliding frame 505 slides above the lower mold 501, the straw fragments in the storage sliding frame 505 will flow along the storage... Material flows downwards from the bottom passage hole of the sliding frame 505, gradually filling the lower mold 501. Then, the operator restarts the hydraulic cylinder 502, causing its output end to extend downwards, which in turn drives the upper mold 503 downwards towards the lower mold 501. During this downward movement, the upper mold 503, via the connecting rod 507, drives the sliding plate 506 to move horizontally along the first housing 1 away from the lower mold 501. Simultaneously, the sliding plate 506 drives the storage sliding frame 505 to move synchronously and reset. When the storage sliding frame 505 resets, the upper mold 503 and lower mold 501 re-close. At this time, the upper mold 503 squeezes the straw fragments inside the lower mold 501. Under the pressure of the upper mold 503, the straw fragments achieve high-strength splicing through their own fiber structure and the impregnated urea glue, thus being cold-pressed to form the straw seedling tray 6. It is worth noting that... Figure 9 As shown, the upper mold 503 is provided with grid-like protrusions, so that when the upper mold 503 is used to cold press straw fragments, the straw fragments are squeezed by the grid-like protrusions of the upper mold 503 to form a grid-distributed deformation groove 602. The lower mold 501 is provided with columnar protrusions, so that when the lower mold 501 is used to cold press straw fragments, the straw fragments are squeezed by the columnar protrusions of the lower mold 501 to form a number of drainage holes 601.

[0036] It is worth noting that during the movement of the sliding plate 506, the guide groove of the sliding plate 506 controls the movement of the push rod 508 in the vertical direction. Specifically, when the sliding plate 506 approaches the lower mold 501, the bottom of the push rod 508 is located at the bottom of the guide groove of the sliding plate 506. During the movement of the sliding plate 506, the limiting block 509 moves synchronously. When the limiting block 509 contacts the push rod 508, the limiting block 509 is restricted by the rotation groove of the sliding plate 506, thereby restricting the movement direction of the push rod 508. This causes the push rod 508 to move upward along the guide groove of the sliding plate 506. When there is a cold-pressed straw seedling tray 6 in the lower mold 501, the straw seedling tray 6 is pushed upward by the push rod 508, thereby causing the sliding plate 506 to contact and push the straw seedling tray 6 during the movement, causing the straw seedling tray 6 to gradually detach from the mounting plate. The sliding plate 506 is positioned to achieve continuous production of the straw seedling tray 6. In addition, as the sliding plate 506 approaches the lower mold 501, when the material passage hole at the bottom of the sliding plate 506 is about to be above the lower mold 501, the sliding plate 506 has already pushed the straw seedling tray 6 to move. The push rod 508 will slide down along the top of the guide groove of the sliding plate 506 until the bottom of the push rod 508 slides to the bottom of the sliding plate 506. When the sliding plate 506 slides back to its original position, the sliding plate 506 will drive the limiting block 509 to move synchronously until the limiting block 509 contacts the push rod 508 again. At this time, the limiting block 509 is limited by the spring, so the push rod 508 will squeeze the limiting block 509, causing the limiting block 509 to rotate and compress the spring. After the push rod 508 passes over the top of the limiting block 509, the limiting block 509 loses the squeezing of the push rod 508, thereby releasing the spring and driving the limiting block 509 to reset.

[0037] Example 2 Based on Example 1, such as Figures 10-11As shown, the straw seedling tray 6 can be used for seedling cultivation immediately after production. During use, the potting soil is first spread evenly in the tray, and the seeds are planted in the soil. The tray is then placed in a suitable temperature environment and watered regularly. The seeds gradually take root and grow into seedlings, until the root system expands throughout the entire tray. Because the tray is made of straw, the fibrous structure of the straw fragments provides better air permeability. Therefore, gases in the potting soil can be exchanged with the outside environment more quickly through the fibrous structure of the straw fragments, thus promoting seedling growth. During the watering process, the fibrous structure inside the straw seedling tray 6 can better retain the moisture in the potting soil, allowing the seedlings to absorb nutrients more effectively and ensuring successful cultivation. Excess water flows out of the straw seedling tray 6 through the drainage hole 601, further promoting root respiration and preventing root rot caused by prolonged soaking. In addition, the urea gel in the straw seedling tray 6 contains urea, which can provide sufficient nitrogen for the seedlings and promote their growth.

[0038] When the seedlings have grown large enough to be transplanted, workers can perform a significant bending and deformation of the deformation groove 602 of the straw seedling tray 6 half an hour after watering. Because the deformation groove 602 of the straw seedling tray 6 is thinner than other parts, its U-shaped structure is more prone to deformation. Furthermore, the fiber structure inside the straw seedling tray 6 expands after absorbing water, generating internal stress. Therefore, the deformation groove 602 of the straw seedling tray 6 will break after significant bending and deformation, thus dividing the straw seedling tray 6 into sections along the deformation groove 602. Multiple fragments are planted in the soil along with the seedlings. Since the main component of these fragments is straw dust, they are easily decomposed by soil microorganisms when buried in the soil, producing a large amount of inorganic salts needed by the seedlings, providing them with the necessary nutrients and promoting their growth. In addition, urea gum decomposes along with the fragments. During the microbial decomposition process, urea gum continuously produces a small amount of formaldehyde. This small amount of formaldehyde repels insects away from the seedlings, and the formaldehyde concentration will not exceed the seedlings' tolerance range. Thus, the formaldehyde produced by the decomposition of the fragments protects the seedling roots, reduces damage to the seedlings from pests and bacteria, and achieves seedling protection.

[0039] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of the present application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present application. Therefore, the content of this specification should not be construed as a limitation of the present application.

Claims

1. A continuous production equipment of a seedling raising tray based on straw crushing and compression, comprising a first shell (1), a second shell (101), a third shell (102) and a supporting shell (103), the second shell (101) is located at the top of the first shell (1), the third shell (102) is located at the top of the second shell (101), and the supporting shell (103) is arranged at one side of the third shell (102), characterized in that, It also includes a crushing and spraying mechanism (2), a crushing and mixing mechanism (3), an activation mechanism (4) and a compression mechanism (5). The crushing and spraying mechanism (2) is located in the third shell (102) and is used to crush the bundled straw and perform preliminary crushing of the straw. The crushing and mixing mechanism (3) is located in the second shell (101) and is used to further crush the straw and make the straw into powder. The activation mechanism (4) is located in the second shell (101) and is used to generate plasma wind, thereby enhancing the adhesion of the straw surface. The compression mechanism (5) is located in the first shell (1) and is used to cold-press the straw powder to form a straw seedling tray (6). The crushing and spraying mechanism (2) also includes a guide cylinder (208) and a glue valve (209). The crushing and stirring mechanism (3) includes a screen cylinder (301), a fixed cylinder (302), a second motor (303), a rotating frame (304), and a second scraper (305). The screen cylinder (301) is located at the bottom of the guide cylinder (208), and several screen holes are opened on the screen cylinder (301). The fixed cylinder (302) is located at the bottom of the screen cylinder (301). The second motor (303) is installed inside the fixed cylinder (302). The rotating frame (304) is rotatably arranged inside the screen cylinder (301), and the output shaft of the second motor (303) passes through the fixed cylinder (302) and is fixedly connected to the rotating frame (304). The second scraper (305) is circumferentially distributed on the rotating frame (304), and the second scraper (305) is in contact with the inner wall of the screen cylinder (301) to cooperate with the screen cylinder (301) to crush straw. The activation mechanism (4) includes a high-voltage conductive tip (401), a high-voltage conductive ball (402), and a wind guide net (403). The high-voltage conductive tip (401) and the high-voltage conductive ball (402) are circumferentially spaced on the inner wall of the second shell (101). When the high-voltage conductive tip (401) and the high-voltage conductive ball (402) are energized, they are used to generate a vortex-shaped plasma wind in the second shell (101) to ionize the straw fragments. The wind guide net (403) is circumferentially spaced on the inner wall of the second shell (101).

2. The continuous production equipment for seedling trays based on straw crushing and compression according to claim 1, characterized in that, The crushing and spraying mechanism (2) includes a first motor (201), a first crushing roller (202), a second crushing roller (203), and a gear set (204). The first motor (201) is mounted on the support housing (103). The first crushing roller (202) and the second crushing roller (203) are rotatably disposed in the third housing (102) and cooperate with each other. The output shaft of the first motor (201) passes through the support housing (103) and is fixedly connected to the first crushing roller (202). The gear set (204) is disposed on one side of the support housing (103) and is connected to the first crushing roller (202) and the second crushing roller (203) for driving the first crushing roller (202) and the second crushing roller (203) to rotate in opposite directions.

3. The continuous seedling tray production equipment based on straw crushing and compression according to claim 2, characterized in that, The crushing and spraying mechanism (2) also includes a secondary roller (205), a belt drive group (206), and a first scraper (207). The secondary roller (205) is rotatably arranged in a mirror distribution on the inner wall of the third housing (102), and the mirror-distributed secondary roller (205) cooperates with the first crushing roller (202) and the second crushing roller (203) respectively. The belt drive group (206) is mirror-distributed on one side of the third housing (102). One belt drive group (206) connects the first crushing roller (202) and the secondary roller (205), and the other belt drive group (206) connects the second crushing roller (203) and the secondary roller (205). The first scraper (207) is mirror-distributed on the top of the third housing (102), and the first scraper (207) is in contact with the secondary roller (205) for cleaning the straw fragments remaining on the secondary roller (205).

4. The continuous seedling tray production equipment based on straw crushing and compression according to claim 3, characterized in that, The guide tube (208) is located at the bottom of the third housing (102), and the glue valve (209) is circumferentially distributed inside the guide tube (208).

5. The continuous production equipment for seedling trays based on straw crushing and compression according to claim 4, characterized in that, The crushing and mixing mechanism (3) also includes a scraper (306). The scraper (306) is arranged circumferentially at the bottom of the rotating frame (304). The scraper (306) is attached to the bottom of the screen cylinder (301) and is used to further crush the straw in conjunction with the screen cylinder (301).

6. The continuous seedling tray production equipment based on straw crushing and compression according to claim 5, characterized in that, The compression mechanism (5) includes a lower mold (501), a hydraulic cylinder (502), an upper mold (503), a guide cone (504), a storage sliding frame (505), a sliding plate (506), and a connecting rod (507). The lower mold (501) is provided inside the first housing (1), and the hydraulic cylinder (502) is installed on the first housing (1). The output shaft of the hydraulic cylinder (502) passes through the first housing (1) and is fixedly installed on the upper mold (503). The upper mold (503) can interact with the lower mold (501). The guide cone (504) is located inside the first housing (1), and the storage sliding frame (505) is slidably disposed inside the first housing (1). The top of the storage sliding frame (505) is in contact with the guide cone (504), and several material passage holes are opened at the top and bottom of the storage sliding frame (505). The sliding plate (506) is located on both sides of the storage sliding frame (505), and the connecting rod (507) is rotatably disposed on one side of the sliding plate (506), and one end of the connecting rod (507) is hinged to the upper mold (503).

7. A continuous seedling tray production device based on straw crushing and compression according to claim 6, characterized in that, The compression mechanism (5) also includes a push rod (508) and a limiting block (509). The push rod (508) is rectangularly distributed and slidably disposed at the bottom of the lower mold (501). A guide groove is provided on one side of the sliding plate (506) to guide the push rod (508) to slide. The bottom of the push rod (508) is slidably connected to the guide groove of the sliding plate (506). A rotating groove is provided on one side of the sliding plate (506). The rotating groove is connected to the guide groove. The limiting block (509) is rotatably disposed inside the rotating groove. A spring is connected between the limiting block (509) and the rotating groove.

8. The seedling tray product produced by the continuous production equipment for seedling trays based on straw crushing and compression according to claim 7, characterized in that, It includes a straw seedling tray (6), which is made of straw fragments as raw material, bonded with urea glue and cold-pressed. The straw seedling tray (6) has a grid-distributed deformation groove (602), which divides the entire straw seedling tray (6) into multiple equally sized square areas. Each square area has a through-hole drainage hole (601) at its center.

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