Fractional doffer mechanism and doffer apparatus comprising same

Abstract

The present application relates to the technical field of scutching equipment, and particularly relates to a grading scutching mechanism and a scutching equipment containing the same, which comprises a grading scutching mechanism main body, and further comprises: a front clamping conveying chain arranged on one side of the grading scutching mechanism main body, which receives the arranged sword leaf and stably clamps the leaf to send into the inlet of the scutching mechanism main body; and a discharge traction conveying mechanism arranged at the end of the grading scutching mechanism main body away from the front clamping conveying chain, which is used for continuously outputting the sword fiber processed by the scutching main machine. The scutching equipment provided by the present application realizes continuous plate surface shaking through the cooperation of a rotating rod, a lifting plate and a spring, completely solves the defect that wet hemp and mud-containing leaves are adhered to the inclined surface and are not slid down, continuously and uniformly feeds, and eliminates the main machine empty load, blocking and shutdown failure.

Description

Technical Field

[0001] This invention relates to the field of hemp scraping equipment technology, and in particular to a graded hemp scraping mechanism and hemp scraping equipment containing such mechanism. Background Technology

[0002] Sisal, as an important hard fiber raw material, is widely used in ropes, linen, composite materials and other fields. The sisal scraping machine is the core processing equipment for sisal fiber extraction. Its working principle is to send the harvested sisal leaves into the scraping machine, and rely on the rotating scraping blade to peel off the fleshy matrix on the surface of the leaves to separate and obtain sisal fibers. A conventional automated sisal scraping production line is arranged in sequence along the material conveying direction, including a feeding ramp, a conveying mechanism, a sisal straightening mechanism and a grading scraping mechanism. During operation, the operator piles up sisal leaves on the feeding ramp, and the sisal leaves slide down the inclined surface by their own weight, thereby continuously supplying raw materials to the rear conveying unit, thus realizing continuous feeding operation.

[0003] The existing structure uses a fixed inclined plate design for the feeding ramp, relying entirely on the material's own weight to drive the sisal leaves down for conveying. This has many drawbacks in actual production: freshly harvested sisal leaves are rich in juice and mucus, making them prone to adhesion between leaves and between leaves and the ramp surface. Furthermore, the varying lengths and shapes of the sisal leaves cause some to hook and jam at their ends, resulting in a large number of leaves accumulating on the ramp surface and unable to slide down on their own. Operators need to continuously manually move and push the accumulating leaves, significantly increasing labor intensity and production line labor costs. When a large number of leaves accumulate on the ramp, it can also cause intermittent feeding and unstable material flow, leading to inconsistent feeding at the downstream grading and scraping mechanism. Overfeeding can cause leaf stacking and clogging, insufficient scraping, and fiber damage, while a lack of feeding results in the scraping machine running idle, significantly reducing equipment utilization and making it difficult to guarantee the overall processing efficiency of the production line. Summary of the Invention

[0004] Therefore, it is necessary to provide a grading and scraping mechanism for avoiding obstruction of sisal leaf transport and a scraping device containing such mechanism to address the above-mentioned technical problems.

[0005] The present invention provides a grading and scraping sisal mechanism, comprising a grading and scraping mechanism body, and further comprising: a front clamping conveyor chain, disposed on one side of the grading and scraping mechanism body, for receiving the processed sisal leaves and stably clamping the leaves and feeding them into the inlet of the scraping mechanism body; and a discharge traction conveyor mechanism, disposed at one end of the grading and scraping mechanism body away from the front clamping conveyor chain, for continuously pulling and outputting the sisal fibers processed by the scraping machine.

[0006] In one embodiment, a sisal scraping device includes the aforementioned grading and scraping mechanism, comprising a roller-type whole sisal conveying device located on one side of a front-mounted clamping conveyor chain. A canvas conveyor frame is provided on one side of the canvas conveyor frame for conveying sisal leaves. A feeding ramp is provided on one side of the canvas conveyor frame, allowing the sisal leaves to initially slide down the ramp. A movable plate is movably mounted on the ramp surface, and a striking component is provided below the ramp surface for striking the movable plate to make it vibrate.

[0007] In one embodiment, the striking assembly includes a positioning plate, which is fixedly installed below the inclined platform. Multiple lifting plates are movably arranged above the positioning plate. Striking rods are axially symmetrically fixed at both ends of the top of the lifting plates. The top of the striking rods movably impacts the bottom of the movable plate. The bottom of the lifting plate is fixedly connected to the positioning plate by a spring.

[0008] In one embodiment, a movable cylinder is fixedly provided at the bottom of the lifting plate, and a fixed rod is movably sleeved inside the movable cylinder. The end of the fixed rod away from the movable cylinder is fixedly connected to the upper surface of the positioning plate, and the spring is movably sleeved outside the movable cylinder and the fixed rod.

[0009] In one embodiment, a rotating rod is rotatably mounted in the middle of the positioning plate, and multiple rotating plates are fixedly sleeved in a circular array on the top of the rotating rod. An inclined groove is opened at the end of the rotating plate away from the rotating rod, and a limit rod is fixedly provided at the end of the lifting plate near the rotating plate. The top of the limit rod is movably abutting against the inclined groove.

[0010] In one embodiment, an inclined plate is fixedly installed on the upper surface of the inclined platform on one side of the movable plate. A slot is opened through the inclined plate, and a vertical rod is vertically rotatably installed in the slot. A rotating cylinder is fixedly sleeved on the outside of the vertical rod, and multiple push rods are fixedly sleeved in a circular array on the outside of the rotating cylinder. The lower surface of the push rods is movably in contact with the surface of the inclined platform.

[0011] In one embodiment, a dust collection groove is provided through the lower side of the push rod, a portion of the inside of the push rod is hollow, and a baffle is movably provided on one side of the inside of the push rod, which intermittently blocks one side of the dust collection groove.

[0012] In one embodiment, a crossbar is laterally movable inside the push rod, and an abutment rod is fixedly provided on one side of the crossbar. The baffle has a rising groove at one end near the crossbar, and the abutment rod at the end away from the crossbar is movably connected to the rising groove.

[0013] In one embodiment, a scraper is provided on the inner wall of the push rod near the baffle, and the scraper movably abuts against the baffle.

[0014] In one embodiment, the rotating cylinder has a vertically formed circular groove that does not penetrate the rotating cylinder. A cylinder is movably disposed within the circular groove. The bottom of the cylinder is fixedly connected to the inner wall of the top of the groove. A fixing ring is fixedly sleeved on the outer side of the cylinder. A protrusion is provided on the outer side of the fixing ring away from the movable plate. One end of the crossbar movably penetrates the push rod and the inner wall of the rotating cylinder, and the end is slidably embedded with the fixing ring and the protrusion.

[0015] In one embodiment, the bottom of the vertical rod movably passes through the inclined plate and the inclined platform, and a gear is fixedly installed at its end. A rotating shaft is rotatably installed on the positioning plate, and a drive ring is fixedly installed at the top of the rotating shaft. Several drive teeth are provided on the outer side of the drive ring, and the drive teeth mesh with the gear for transmission.

[0016] In one embodiment, both the rotating shaft and the bottom of the rotating rod are provided with pulleys, and the two pulleys are connected by a belt drive.

[0017] The aforementioned graded scraping mechanism and scraping equipment containing this mechanism utilize a striking component that relies on a rotating rod, lifting plate, and spring to achieve continuous vibration of the board surface. This completely solves the defects of wet sisal and muddy blades adhering to the inclined surface and failing to slide down. The feeding supply is continuous and uniform, eliminating the faults of the main machine being idle or blocked and stopping. The push rod has a built-in dust collection groove, and the liftable baffle is linked with the matching scraper. During the shaking process, it simultaneously collects the mud and sand impurities that fall off the blades. After the push rod rotates out of the inclined surface, it automatically unloads the material into the dust collection frame. At the same time, the scraper scrapes off the waste residue adhering to the baffle in real time, avoiding blockage of the dust collection channel, continuously keeping the inclined processing surface clean, reducing secondary mud adhesion of sisal, and improving the cleanliness of the finished fiber. The belt and pulley meshing transmission realizes the synchronous linkage between the rotating rod and the vertical rod. The intermittent meshing of the drive teeth makes the push rod rotate in stages. The timing of the action is perfectly coordinated with the shaking and striking, and the mechanical linkage is stable and reliable. It is suitable for harsh working conditions with a lot of mud and sand and high humidity in sisal processing, and has a longer service life. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the inclined platform in this invention; Figure 3 This is a schematic diagram of the push rod structure in this invention; Figure 4This is a schematic diagram of the structure below the inclined platform in this invention; Figure 5 This is a schematic diagram of the vertical rod in this invention; Figure 6 This is a schematic diagram of the structure of the fixing ring in this invention; Figure 7 This is a schematic diagram of the rising groove in the present invention; Figure 8 This is a schematic diagram of the structure of the fixing rod in this invention; Figure 9 This is a schematic diagram of the rotating shaft in this invention; Figure 10 for Figure 9 Enlarged diagram of part A in the middle.

[0020] Figure label: 1. Main body of the grading and scraping hemp mechanism; 2. Front-mounted clamping conveyor chain; 3. Discharge traction conveyor mechanism; 4. Roller-type whole hemp conveyor device; 5. Canvas conveyor frame; 6. Inclined platform; 7. Movable plate; 8. Striking assembly; 81. Positioning plate; 82. Lifting plate; 83. Striking rod; 84. Spring; 85. Movable cylinder; 86. Fixed rod; 9. Rotating rod; 10. Rotating plate; 101. Inclined chute; 11. Limiting rod; 12. Inclined plate; 121. Groove; 13. Vertical rod; 14. Rotating cylinder; 141. Circular groove; 15. Push rod; 151. Dust collection trough; 16. Baffle; 161. Rising groove; 17. Horizontal bar; 18. Abutment rod; 19. Scraper; 20. Cylinder; 21. Fixing ring; 22. Protrusion; 23. Gear; 24. Rotating shaft; 25. Drive ring; 26. Drive gear; 27. Pulley; 28. Belt. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, 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, 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.

[0022] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this specification are for illustrative purposes only and do not represent the only possible implementation.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0024] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0025] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0026] The following is combined with Figures 1-10 The present invention describes a graded scraping hemp mechanism and a scraping device incorporating the present invention.

[0027] like Figures 1-4 As shown, this embodiment discloses a graded scraping mechanism. The main body is a graded scraping mechanism body 1, which is used to achieve differentiated scraping of the root and tip of sisal leaves. A front clamping conveyor chain 2 is provided on the feeding side of the graded scraping mechanism body 1. The front clamping conveyor chain 2 can receive the sisal leaves that have been neatly finished and have a uniform posture by the upstream roller whole sisal conveying device 4. The clamping structure forms a stable limiting constraint on the leaves, avoiding the leaves from deviating or turning over during the conveying process. It ensures that the leaves are smoothly fed into the graded scraping mechanism body 1 in a standard posture, providing neat raw materials for the two-stage graded scraping process, and effectively reducing the problems of insufficient scraping and fiber breakage caused by the overlapping of leaves. At the discharge end of the graded scraping mechanism body 1 away from the front clamping conveyor chain 2, a discharge traction conveyor mechanism 3 is arranged. It can continuously and smoothly pull the pure sisal fibers that have been separated by the small blade wheel coarse scraping and the large blade wheel fine scraping outward, extending the finished fiber discharge stroke, making it easier for operators to collect the fibers in a concentrated manner, while leaving space for waste residue to fall, preventing leaf pulp residue from entangled in the clamping conveyor components, and extending the service life of the conveying consumables inside the main unit.

[0028] See Figures 2-8 As shown, this embodiment also discloses a sisal scraping device. The whole machine integrates the aforementioned grading and scraping mechanism. Along the material conveying flow direction, a roller-type whole sisal conveyor 4, a canvas conveyor frame 5, and a feeding ramp 6 are arranged sequentially upstream of the grading and scraping mechanism. The canvas conveyor frame 5 receives the sisal leaves sliding down from the feeding ramp 6 and completes the intermediate transition conveying at a uniform speed. The feeding ramp 6 relies on the inclined plate 12 to achieve the initial downward sliding and storage of the sisal leaves by their own weight. A movable plate 7 is movably installed inside the inclined surface of the ramp 6. A striking component 8 is installed at the corresponding position below the ramp 6. The striking component 8 continuously impacts the movable plate 7 to produce small-amplitude high-frequency vibrations on the plate surface, thereby eliminating the adhesion between wet sisal and muddy leaves and the plate surface, preventing the long-term accumulation of sisal leaves and the phenomenon of material interruption. It eliminates the need for frequent manual material removal and pushing, greatly reducing the intensity of manual labor, ensuring continuous and stable material feeding of the downstream grading and scraping mechanism, and significantly improving the processing efficiency of the production line.

[0029] See Figure 4 and Figure 8As shown, the striking assembly 8 includes a positioning plate 81 fixedly installed at the bottom of the inclined platform 6. Multiple lifting plates 82 are movably arranged above the positioning plate 81. Striking rods 83 are symmetrically fixed at both ends of the top of the lifting plates 82. The tops of the striking rods 83 movably abut against the bottom of the movable plate 7. The bottom of the lifting plates 82 and the positioning plate 81 are elastically connected by springs 84. A movable cylinder 85 is fixedly mounted on the bottom surface of the lifting plates 82. A fixed rod 86 is slidably sleeved inside the movable cylinder 85. The lower end of the fixed rod 86 is rigidly fixed to the upper surface of the positioning plate 81. The spring 84 is entirely sleeved on the movable cylinder 85. The movable cylinder 85 and the fixed rod 86 form an elastic energy storage and reset structure on their outer sides. The movable cylinder 85 and the fixed rod 86 cooperate to constrain the lifting plate 82 to rise and fall only in the vertical direction, preventing the lifting plate 82 from shifting or jamming, and ensuring that the impact action of the striking rod 83 is stable and without shifting or jamming. A rotating rod 9 is rotatably installed in the middle of the positioning plate 81. Multiple sets of rotating plates 10 are fixed in a ring array outside the rotating rod 9. Each rotating plate 10 has a slanted groove 101 at its outer end. A limiting rod 11 is fixed on the side of the lifting plate 82 facing the rotating plate 10. The top of the limiting rod 11 is connected to the slanted groove 10. 1. The inclined surface continuously moves and abuts against the device; during operation, the rotating rod 9 rotates continuously at a constant speed and drives the outer peripheral rotating plate 10 to rotate synchronously. The inclined groove 101 moves in a circular motion with the rotating plate 10. When the inclined surface of the inclined groove 101 contacts and presses against the limiting rod 11, it will squeeze the limiting rod 11 downward, thereby synchronously driving the lifting plate 82 and the striking rod 83 to move downward as a whole. During the downward movement of the lifting plate 82, the outer spring 84 is compressed to complete the elastic energy storage; when the rotating plate 10 rotates to the point where the inclined groove 101 is out of the contact range of the limiting rod 11, the elastic force stored in the spring 84 is quickly released. Release, push the lifting plate 82 and the striking rod 83 to instantly return to their original position. The top of the striking rod 83 violently strikes the bottom of the movable plate 7, and the main body of the sisal leaf slides over the surface of the movable plate 7. With the help of shaking, the wet sisal leaves and mud and sand clumps adhering to the plate surface are peeled off, and the sisal leaves are forced to slide down the slope to ensure continuous feeding. At the same time, the guiding cooperation of the movable cylinder 85 and the fixed rod 86 can eliminate the horizontal swaying of the lifting plate 82, so that the force of each impact is uniform and stable. The shaking covers the entire effective feeding area of ​​the inclined table 6, and there is no blind spot of local shaking. The anti-sticking effect is balanced and reliable.

[0030] See Figures 2-7As shown, an inclined plate 12 is fixedly assembled on the upper surface of the inclined platform 6 and the side of the movable plate 7. A slot 121 is opened through the inclined plate 12. A vertical rod 13 is vertically rotated and assembled inside the slot 121. A rotating cylinder 14 is fixedly fitted on the outside of the vertical rod 13. Multiple push rods 15 are arranged in a circular array around the outer periphery of the rotating cylinder 14. The lower surface of the push rod 15 is movably fitted with the inclined surface of the inclined platform 6. The push rod 15 is hollow inside. A dust collection groove 151 is opened along the length direction on the lower side of the push rod 15. A baffle 16 is movable within the inner cavity of the push rod 15. The baffle 16 can intermittently block the opening of the dust collection trough 151 near the inclined platform 6, realizing the function of temporary storage and collection of impurities. A crossbar 17 is slidably mounted in the inner cavity of the push rod 15. One end of the crossbar 17 extends to the outside of the push rod 15 and is fixed to the abutment rod 18. The side wall of the baffle 16 facing the crossbar 17 has a rising groove 161, and the end of the abutment rod 18 is slidably embedded in the rising groove 161. The inner cavity of the push rod 15 and the baffle 16 A scraper 19 is fixedly installed at the corresponding position on the side. The surface of the scraper 19 is in close contact with the surface of the baffle 16. It can scrape off the mud, sand, and hemp debris adhering to the baffle 16 when the baffle 16 moves up and down, so as to avoid the accumulation of impurities and blockage of the dust collection trough 151. The rotating cylinder 14 has a non-through circular groove 141 opened vertically. A cylinder 20 is fixedly assembled inside the circular groove 141. The top of the cylinder 20 is rigidly connected to the upper inner wall of the groove 121. A fixing ring 21 is fixedly fitted on the outside of the cylinder 20. The outer wall of the fixing ring 21 is integrally formed with a protrusion 22 structure on the side away from the movable plate 7. One end of the crossbar 17 passes through the push rod 15 and the side wall of the rotating cylinder 14 laterally. The end is slidably locked on the outer wall of the fixing ring 21. It can slide smoothly along the outer circumference of the fixing ring 21 and the surface of the protrusion 22. The crossbar 17 is driven to move horizontally back and forth by the height difference between the fixing ring 21 and the protrusion 22. The structure is stable and has no additional transmission parts, resulting in a low failure rate.

[0031] See Figure 4 and Figure 8 As shown, the lower end of the vertical rod 13 penetrates downward through the inclined plate 12 and the inclined platform 6, and the bottom end is rigidly fixed with a gear 23. A rotating shaft 24 is rotatably mounted on the positioning plate 81. A drive ring 25 is fixed at the top of the rotating shaft 24, and multiple sets of drive teeth 26 are evenly distributed on the outer wall of the drive ring 25. The drive teeth 26 mesh with the gear 23 for transmission. Both the bottom end of the rotating rod 9 and the bottom end of the rotating shaft 24 are equipped with pulleys 27. The two sets of pulleys 27 are linked by a transmission belt 28. Therefore, the power of the rotating rod 9 can be synchronously transmitted to the rotating shaft 24 via the belt 28 and the pulleys 27. The rotating shaft 24 and the drive ring 25 rotate synchronously. The drive gear 26 on the outer periphery of the drive ring 25 meshes with the gear 23 at the bottom of the vertical rod 13 only once per complete rotation. A single meshing can drive the gear 23 and the vertical rod 13 to rotate a quarter circle synchronously, which in turn drives the rotating cylinder 14 and the push rod 15 to form an intermittent 90° step-by-step rotation. The push rod 15 completes the four processes of material blocking, dust collection, material unloading and resetting in a cycle. There is no need for an independent drive motor. The rotating rod 9 shares a power source, which simplifies the transmission structure of the whole machine and reduces the equipment manufacturing cost and electrical maintenance points.

[0032] See Figures 4-10 As shown, when one of the push rods 15 rotates to the effective feeding area of ​​the inclined platform 6 and the bottom surface of the push rod 15 is in contact with the inclined surface, the push rod 15 can limit and block the excessive stacking of sisal leaves on the inclined platform 6, preventing a large number of sisal leaves from rushing into the rear conveying mechanism at one time and causing stacking blockage, thus realizing the slow release of material in layers; at this time, the baffle 16 is kept on the side of the push rod 15 away from the sisal leaves, the dust collection trough 151 is fully open at one end close to the inclined platform 6 and closed at the other end by the baffle 16. With the continuous impact of the striking rod 83 on the movable plate 7, the mud and fine sisal residue adhering to the surface of the sisal leaves will fall off from the leaf surface under the action of the shaking and flow down the inclined plate 12. The impurities flow into the dust collection trough 151 for temporary storage. The baffle 16 seals the opening on the other side to prevent the collected impurities from spilling back onto the inclined platform 6, thus maintaining the cleanliness of the inclined surface and reducing the problem of secondary mud adhesion to the blades. As the vertical rod 13 rotates intermittently by 90°, the push rod 15 simultaneously rotates out of the effective feeding area of ​​the inclined platform 6, temporarily separating from the material channel and releasing the restriction on the hemp leaves, allowing the lower layer of hemp leaves to be smoothly conveyed downwards. After the push rod 15 continues to rotate 90°, the entire assembly moves completely to the outside of the inclined platform 6, above the height of the inclined surface. At this time, the opening of the dust collection trough 151 faces downwards, and the mud, sand, and hemp residue temporarily stored inside fall into the dust collection frame arranged below the equipment for centralized recycling due to their own weight. The entire process prevents the dust from falling back onto the processing surface of the inclined table 6, significantly reducing the frequency of manual cleaning. During the rotation of the push rod 15 to the outside of the inclined table 6, the end of the crossbar 17 slides along the outer wall of the fixed ring 21 to the protrusion 22. The protrusion 22 raises the sliding track of the crossbar 17, pushing it horizontally into the inner cavity of the push rod 15. Simultaneously, the end of the crossbar 17 abuts against the rod 18, which rises upward along the inclined surface of the rising groove 161, pulling the baffle 16 upward. The originally closed end of the dust collection groove 151 is completely exposed. During the upward movement of the baffle 16, the sidewall continuously rubs against the scraper 19 inside the push rod 15, allowing the scraper 19 to remove dust adhering to the surface of the baffle 16. The clumps and residual mud, sand, and hemp fibers are completely scraped off and fall into the dust collection frame along with the impurities, completely preventing the accumulation of sludge on the baffle 16 from clogging the dust collection trough 151 and ensuring the long-term unobstructed flow of the impurity collection channel. After the push rod 15 rotates 90° again, the end of the crossbar 17 slides from the surface of the protrusion 22 to the flat outer wall of the fixing ring 21. The crossbar 17 returns to its original position on the outside of the push rod 15, and the abutment rod 18 slides down along the rising groove 161, causing the baffle 16 to fall back to its initial position and re-seal the outer opening of the dust collection trough 151. This completes a single cycle of impurity collection, automatic unloading, and self-cleaning of the baffle 16, waiting for the next rotation to the inclined area to continue collecting the fallen impurities.

[0033] The entire push rod 15 intermittent material blocking and dust removal structure and the lower knocking and shaking material assembly share the same rotating rod 9 drive system, with perfectly matched action timing. On one hand, it breaks up the hemp leaves stuck to the wall through shaking, and on the other hand, it feeds in layers with limited flow and automatically collects mud and waste residues. It simultaneously solves multiple industry problems such as material blockage, raw material mud, tabletop impurity accumulation, and large amount of manual cleaning. The entire process is automated and linked, requiring no manual intervention, which greatly improves the continuous operation stability of the entire hemp scraping production line and the cleanliness of the finished fiber.

[0034] The roller-type sisal conveyor 4 is arranged between the canvas conveyor frame 5 and the front clamping conveyor chain 2. It can stratify, align, and neatly spread the messy sisal leaves conveyed from the inclined platform 6, and uniformly correct the leaves that are of different lengths and have skewed postures to a horizontally arranged state. Then, the front clamping conveyor chain 2 stably clamps and feeds them into the main body 1 of the grading and scraping mechanism. The main body 1 of the grading and scraping mechanism is arranged in sequence along the material conveying direction as a first-level coarse scraping small blade wheel unit, an intermediate power relay wheel group, and a second-level fine scraping large blade wheel unit. The two scraping units are equipped with independent frequency conversion drive and independent gap adjustment mechanism, which can perform graded and differentiated scraping on the thick and impurity-laden root of sisal and the thin and multi-fiber tip. It can completely remove all the fleshy matrix of the leaves, protect the integrity of the sisal fibers to the maximum extent, reduce fiber breakage and loss, and improve the quality of finished fiber output and filament yield.

[0035] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0036] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.

Claims

1. A graded scraping hemp mechanism, comprising a graded scraping hemp mechanism body, characterized in that, Also includes: A front-mounted clamping conveyor chain is located on one side of the main body of the graded scraping mechanism to receive the sorted sisal leaves and stably clamp the leaves into the inlet of the main body of the scraping mechanism. The discharge traction conveying mechanism is located at the end of the main body of the graded scraping mechanism away from the front clamping conveyor chain, and is used to continuously pull outward the sisal fibers processed by the scraping host.

2. A hemp scraping device, characterized in that, The grading and scraping mechanism as described in claim 1 includes a roller-type whole sisal conveying device located on one side of a front clamping conveyor chain. A canvas conveyor frame is provided on one side of the canvas conveyor frame for conveying sisal leaves. A feeding ramp is provided on one side of the canvas conveyor frame, and the sisal leaves are initially slid down by relying on the ramp. A movable plate is movably provided on the ramp. A striking component is provided below the ramp for striking the movable plate to make it vibrate.

3. The hemp scraping device according to claim 2, characterized in that, The striking assembly includes a positioning plate, which is fixedly installed below the inclined platform. Multiple lifting plates are movably arranged above the positioning plate. Striking rods are axially symmetrically fixed at both ends of the top of the lifting plates. The top of the striking rods movably impacts the bottom of the movable plate. The bottom of the lifting plate is fixedly connected to the positioning plate by a spring.

4. The hemp scraping device according to claim 3, characterized in that, A movable cylinder is fixedly installed at the bottom of the lifting plate, and a fixed rod is movably sleeved inside the movable cylinder. The end of the fixed rod away from the movable cylinder is fixedly connected to the upper surface of the positioning plate, and the spring is movably sleeved outside the movable cylinder and the fixed rod.

5. The hemp scraping device according to claim 4, characterized in that, A rotating rod is rotatably mounted in the middle of the positioning plate. Multiple rotating plates are fixedly sleeved in a circular array on the top of the rotating rod. An inclined groove is opened at the end of the rotating plate away from the rotating rod. A limit rod is fixedly installed at the end of the lifting plate near the rotating plate. The top of the limit rod is movably abutting against the inclined groove.

6. The hemp scraping device according to claim 5, characterized in that, An inclined plate is fixedly installed on the upper surface of the inclined platform on one side of the movable plate. A slot is opened through the inclined plate, and a vertical rod is vertically rotatably installed in the slot. A rotating cylinder is fixedly sleeved on the outside of the vertical rod, and multiple push rods are fixedly sleeved in a circular array on the outside of the rotating cylinder. The lower surface of the push rods is movably in contact with the surface of the inclined platform.

7. The hemp scraping device according to claim 6, characterized in that, A dust collection groove is provided through the lower side of the push rod. A portion of the push rod is hollow. A baffle is movably installed on one side of the push rod, and the baffle intermittently blocks one side of the dust collection groove.

8. The hemp scraping device according to claim 7, characterized in that, A horizontal bar is movably arranged inside the push rod, and an abutment rod is fixedly arranged on one side of the horizontal bar. A rising groove is opened on the end of the baffle near the horizontal bar, and the end of the abutment rod away from the horizontal bar is movably connected to the rising groove.

9. The hemp scraping device according to claim 7, characterized in that, A scraper is provided on the inner wall of the push rod near the baffle, and the scraper moves in contact with the baffle.

10. The hemp scraping device according to claim 8, characterized in that, The rotating cylinder has a vertically formed circular groove that does not penetrate the rotating cylinder. A cylinder is movably disposed within the circular groove. The bottom of the cylinder is fixedly connected to the inner wall of the top of the groove. A fixing ring is fixedly fitted on the outer side of the cylinder. A protrusion is provided on the outer side of the fixing ring away from the movable plate. One end of the crossbar movably penetrates the push rod and the inner wall of the rotating cylinder, and the end is slidably embedded with the fixing ring and the protrusion.

11. The hemp scraping device according to claim 6, characterized in that, The bottom of the vertical rod movably passes through the inclined plate and the inclined platform, and a gear is fixedly installed at its end. A rotating shaft is rotatably installed on the positioning plate, and a drive ring is fixedly installed on the top of the rotating shaft. Several drive teeth are provided on the outer side of the drive ring, and the drive teeth mesh with the gear for transmission.

12. The hemp scraping device according to claim 11, characterized in that, Both the rotating shaft and the bottom of the rotating rod are provided with pulleys, and the two pulleys are connected by belt drive.

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