Ramie peeling machine

Abstract

The invention discloses a ramie peeling machine, and relates to the technical field of peeling equipment, the ramie peeling machine comprises a rack, a feeding port, a rolling device and a peeling assembly which are arranged on the rack, and the ramie peeling machine also comprises a diameter screening mechanism and a straightening and shape-righting mechanism; the straightening and shape-righting mechanism is arranged at the front end of the diameter screening mechanism through a first mounting table and comprises an extruding and shaping assembly arranged on the first mounting table and used for extruding and shaping the bent ramie plants; the feeding hole is formed above the extruding and shaping assembly, the feeding hole is of a bent channel structure, and a plugging device is arranged at the bottom of the feeding hole; the rolling and shaping assembly is used for carrying out rolling and shaping on the ramie plants subjected to extrusion shaping; the pushing assembly is used for pushing the shaped ramie plants into the rolling shaping assembly; the diameter screening mechanism is arranged between the feeding port and the straightening and shape-righting mechanism and used for conducting diameter screening on the straightened and shape-righting ramie plants, and the diameter screening device has the advantages that straightening and shape-righting are conducted on bent ramie plants, and diameter screening is achieved.

Description

Technical Field

[0001] This invention belongs to the field of peeling equipment technology, and more specifically it relates to a ramie peeling machine. Background Technology

[0002] Ramie, an important fiber crop, has stem fibers with high strength and toughness, making it a crucial raw material for the textile industry. To improve fiber production efficiency, ramie stripping machines are commonly used in production to remove the outer bark and separate the fibers from the ramie stems. However, current technologies still have limitations in the overall efficiency and adaptability of ramie stripping machines.

[0003] On the one hand, ramie plants often exhibit bending, twisting, or irregular diameter during their natural growth. Existing ramie stripping machines generally use a straight feed inlet, relying on feed rollers or guide devices to deliver the stems into the roller pressing assembly. However, when encountering bent or non-straight stems, the stems are prone to jamming, shifting, or even breaking at the feed inlet or roller pressing assembly, leading to poor feeding, reduced processing efficiency, and potentially damage to fiber quality.

[0004] On the other hand, ramie plants vary considerably in diameter. Traditional ramie stripping machines often have fixed or coarsely adjustable gaps in their roller pressing components, making precise adjustment difficult for plants of different diameters. When larger diameter plants enter, overload or blockage may occur; while smaller diameter plants may result in incomplete stripping due to insufficient pressure, affecting the stripping quality.

[0005] Therefore, it is urgent to propose a new structure for a hemp stripping machine to solve the above problems. Summary of the Invention

[0006] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a ramie peeling machine, which has the advantages of ensuring the basic ramie peeling function, effectively straightening and correcting bent ramie plants, and achieving diameter screening and adaptation adjustment before entering the roller pressing device.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A ramie peeling machine includes a frame, a feeding inlet, a roller pressing device and a peeling assembly mounted on the frame, and also includes a diameter screening mechanism and a straightening and shaping mechanism.

[0009] The straightening and correcting mechanism is mounted on the front end of the diameter screening mechanism via a first mounting platform, and is used to straighten bent ramie plants. The straightening and correcting mechanism includes:

[0010] The extrusion shaping component is disposed on the first mounting platform and is used to extrude and shape bent ramie plants.

[0011] The feed inlet is located above the extrusion and shaping assembly. The feed inlet has a curved channel structure to constrain the curved ramie plants from falling one by one. A plugging device is provided at the bottom of the inlet.

[0012] The roller pressing and shaping assembly is installed at one end of the first mounting platform and is used to roller press and shape the ramie plants after extrusion and shaping.

[0013] A pushing component, located at one end of the extrusion shaping component, is used to push the extruded and shaped ramie plants into the roller shaping component;

[0014] The diameter screening mechanism is located between the feeding inlet and the straightening and shaping mechanism, and is used to screen the diameter of the ramie plants after straightening and shaping.

[0015] The advantages of this scheme are at least as follows: By setting up a straightening and shaping mechanism, before the bent ramie plants are stripped, the ramie plants first fall one by one through the feed inlet of the curved channel structure and are controlled by the blocking device to avoid multiple plants piling up; after entering the extrusion and shaping component, they are first straightened by extrusion and shaping, and then straightened and shaped again by the roller pressing and shaping component, which effectively eliminates the bending of the ramie plants, so that they remain straight before entering the subsequent roller pressing device and stripping component, thereby ensuring stability in the stripping process, avoiding the problem of broken ramie or incomplete stripping, and thus improving the integrity of ramie extraction;

[0016] Subsequently, the shaped ramie plants are effectively screened by a diameter screening mechanism to ensure that ramie plants of different diameters can enter the appropriate roller pressing device. This technical solution, while ensuring the basic ramie stripping function, can effectively straighten and correct bent ramie plants, and achieve diameter screening and adaptation adjustment before entering the roller pressing assembly, thereby improving the ramie stripping machine's adaptability to complex raw materials and overall processing efficiency.

[0017] The present invention is further configured such that: the extrusion shaping assembly is disposed on top of the first mounting platform via a second mounting platform, and the extrusion shaping assembly includes:

[0018] An abutment block is fixedly installed on the top surface of the second mounting platform. A first V-shaped groove is provided on one end face of the abutment block for positioning and abutting the ramie plant.

[0019] A movable block is slidably disposed on the top surface of the second mounting platform, and a second V-shaped groove opposite to the abutment block is formed on one end face of the movable block;

[0020] An extrusion drive assembly is disposed on the second mounting platform, and its output end is connected to the moving block for driving the moving block to move toward the abutting block.

[0021] The advantages of this scheme are at least as follows: by setting the first V-shaped groove and the second V-shaped groove on the abutting block and the moving block respectively, a symmetrical V-shaped clamping structure is formed, which can automatically center and circumferentially limit the bending ramie plants of different diameters, and prevent the ramie stalks from slipping or deviating during the squeezing process.

[0022] The extrusion drive component pushes the moving block toward the fixed abutment block, causing the two V-grooves to gradually close. This applies controllable radial pressure to the bent hemp stalk, forcing it to undergo plastic deformation, significantly improving the initial curvature, providing a good foundation for subsequent roll forming, and reducing the risk of clogging and breakage during the peeling process.

[0023] The present invention is further configured such that: the extrusion shaping assembly further includes a rolling roller disposed inside the moving block, the rolling roller being slidably mounted inside the moving block via a U-shaped seat, and a rolling roller drive assembly being provided on one side of the moving block via a mounting seat, the output end of the rolling roller drive assembly being fixedly connected to one end of the mounting seat.

[0024] The advantages of this scheme are at least as follows: by adding rolling rollers inside the moving block and using a rolling roller drive assembly, it can automatically match and fit ramie of different diameters and degrees of curvature, improving the straightening effect. At the same time, the linkage between the rolling roller drive assembly and the moving block not only enhances the continuity and automation of the straightening operation, but also provides a smoother transition for the subsequent pushing and rolling processes of the ramie plants, improving the overall efficiency and quality of straightening and shaping.

[0025] The present invention is further configured such that the roll forming assembly includes:

[0026] The mounting bracket is disposed on the first mounting platform and located at one end of the extrusion shaping assembly;

[0027] The first roller pressing assembly is mounted on the mounting frame and includes two first roller pressing rollers arranged parallel to each other. One of the first roller pressing rollers is adjustablely mounted on the mounting frame via a first sliding seat and a first screw, which is used to adjust the gap between the two first roller pressing rollers.

[0028] The second roller pressing assembly is disposed at one end of the first roller pressing assembly and includes two second roller pressing rollers. The two second roller pressing rollers are arranged perpendicularly to the first roller pressing assembly in space. The two second roller pressing rollers are adjustablely mounted on the mounting frame through a second sliding seat and a second screw to adjust the gap between the two second roller pressing rollers.

[0029] A first roller pressing drive assembly is disposed at one end of the two first roller pressing rollers and is used to drive the first roller pressing rollers to rotate.

[0030] The second roller pressing drive assembly is disposed at one end of the two second roller pressing rollers and is used to drive the second roller pressing rollers to rotate.

[0031] Both the first screw and the second screw have knobs at their ends, and the knobs have knurled patterns around their circumference.

[0032] The advantages of this scheme are at least as follows: by setting the first and second roller pressing components on the mounting frame and forming a mutually perpendicular arrangement in space, the ramie plants can be straightened in both the vertical and horizontal directions, which greatly improves the comprehensiveness and accuracy of the shaping; both the first and second roller pressing rollers can be adjusted by sliding seats and screws, and the gap can be flexibly adjusted according to the different diameters of the ramie plants, thus being compatible with plants of different specifications and improving the adaptability of the equipment.

[0033] The present invention is further configured such that: the plugging device includes two sets of electric push rods arranged in parallel at the top and bottom, the two sets of electric push rods alternately extending and retracting to release single ramie plants into the straightening and shaping mechanism in sequence.

[0034] The advantages of this scheme are at least as follows: by setting two sets of parallel electric push rods at the bottom of the feed inlet and using an alternating extension and retraction action, it is possible to achieve precise control over the release of ramie plants one by one, thereby avoiding the accumulation and jamming caused by multiple plants entering the straightening and shaping mechanism at the same time.

[0035] The present invention is further configured such that the diameter screening device includes:

[0036] The first roller conveyor belt is located at the front end of the feed inlet and is divided into a fine diameter conveying channel and a coarse diameter conveying channel by a partition plate.

[0037] The second roller conveyor belt is positioned above the first roller conveyor belt, and the rollers on the second roller conveyor belt are arranged perpendicularly to the rollers on the first roller conveyor belt in space, for screening the diameter of ramie plants.

[0038] A guide plate, located below the second roller conveyor belt, is used to guide plants that have not passed through the second roller conveyor belt into the first roller conveyor belt.

[0039] The advantages of this scheme are at least as follows: Ramie plants, straightened and shaped by the straightening and shaping mechanism, fall onto the second roller conveyor belt. When the diameter of the ramie plant is larger than the gap between two adjacent rollers on the second roller conveyor belt, the ramie plant is conveyed through the rotating rollers of the second roller conveyor belt, thus transporting the ramie plant to the end of the second roller conveyor belt. A guide plate then guides the ramie plant to roll into the coarse-diameter conveying channel of the first roller conveyor belt. When the diameter of the ramie plant is smaller than the gap between two adjacent rollers on the second roller conveyor belt, the ramie plant passes through the gap between the two adjacent rollers and falls into the fine-diameter channel of the first roller conveyor belt, thus being conveyed to the feed inlet by the first roller conveyor belt for further sorting and pressing of the sifted ramie plants.

[0040] The present invention is further configured such that: the pushing assembly includes a pushing plate and a push rod driving assembly, the pushing plate is slidably installed in the first V-groove, and the output end of the push rod driving assembly is fixedly connected to the pushing plate for linearly pushing the ramie plant.

[0041] The advantages of this scheme are at least as follows: the pusher plate slides within the first V-groove, ensuring that the pusher plate can make stable linear motion, thus making the pushing process smoother. At the same time, the pusher component and the subsequent roller pressing and shaping component are smoothly connected, reducing the risk of the plant getting stuck when entering the roller pressing and shaping component.

[0042] The present invention is further configured such that: the front end of the pusher plate is provided with an arc-shaped guide surface, the arc-shaped guide surface is disposed toward the roll forming assembly, the surface of the arc-shaped guide surface is covered with a wear-resistant layer, and the surface of the wear-resistant layer is provided with protrusions.

[0043] The advantages of this scheme are at least as follows: the curved guide surface can prevent the ramie plants from deviating during the pushing process, and the wear-resistant layer covering the surface of the curved guide surface prevents the pusher plate from directly contacting the ramie plants, thereby avoiding frictional damage between the ramie plants and the pusher plate during the pushing process. The protrusion design on the wear-resistant layer can increase the friction between the ramie plants and the pusher plate, preventing the plants from slipping during the pushing process.

[0044] The present invention is further configured such that the roller pressing device includes: two roller pressing shafts arranged symmetrically, a plurality of roller pressing protrusions slidably installed in the roller pressing shafts, and a driving assembly for driving the roller pressing protrusions to extend and retract radially.

[0045] The advantages of this scheme are at least as follows: the roller pressing protrusions in the roller pressing device can extend and retract radially along the roller pressing axis under the action of the drive component, allowing users to adjust the extension amount of the roller pressing protrusions according to the shape contours of ramie stalks of different thicknesses, achieving uniform and controllable pre-pressing treatment, effectively destroying the xylem structure of the ramie stalks, and creating favorable conditions for subsequent stripping. At the same time, by adjusting the roller pressing protrusions at both ends of the roller pressing device, ramie plants with different diameters can be fed into the feeding port simultaneously, effectively solving the obvious limitations of existing ramie stripping machines when dealing with ramie plants of different diameters, especially the problem of insufficient roller pressing for small-diameter ramie stalks.

[0046] The present invention is further configured such that: the peeling assembly includes a primary peeling wheel, a secondary driven peeling wheel, a secondary active peeling wheel, a tertiary driven peeling wheel, and a hemp-spinning wheel, which are sequentially arranged on the frame and located at the rear end of the roller pressing device; the secondary driven peeling wheel meshes with the secondary active peeling wheel; and the secondary active peeling wheel meshes with the tertiary driven peeling wheel.

[0047] The advantages of this scheme are at least as follows: During operation, the ramie stalks are sequentially subjected to initial peeling by a primary peeling wheel, followed by further peeling through the meshing of a secondary driven peeling wheel and a secondary active peeling wheel, and finally by the meshing of a secondary active peeling wheel and a tertiary driven peeling wheel. This process gradually separates the epidermis from the fibers. The peeled ramie is then shaken and spread out by a ramie-spinning wheel. This achieves multi-stage continuous peeling, resulting in a more thorough peeling effect and better fiber integrity. It also avoids the problems of clogging and incomplete peeling that are common with single-stage peeling, thus improving the peeling quality and the stability of equipment operation.

[0048] In summary, the present invention has at least the following advantages:

[0049] 1. By setting up a straightening and straightening mechanism, before stripping the bent ramie plants, the ramie plants first fall one by one through the feed inlet of the curved channel structure, and the blocking device controls the flow to prevent multiple plants from piling up. After entering the extrusion and shaping component, they undergo preliminary straightening through extrusion and shaping, and then undergo secondary straightening and shaping through the roller pressing and shaping component. This effectively eliminates the bending of the ramie plants, so that they remain straight before entering the subsequent roller pressing device and stripping component. This ensures stability during the stripping process and avoids problems such as broken ramie or incomplete stripping, thereby improving the integrity of ramie extraction.

[0050] 2. By setting up a diameter screening device, the ramie plants can be pre-treated after shaping and before entering the feed inlet. The ramie is graded according to its diameter and conveyed to the subsequent roller pressing assembly. This avoids fiber damage or insufficient roller pressing caused by uneven force on plants of different diameters during the roller pressing process, effectively improving the uniformity and processing quality of subsequent ramie stripping. At the same time, the grading process improves the adaptability of the feed and the overall operating efficiency of the equipment.

[0051] 3. By setting two sets of parallel electric push rods at the bottom of the feed inlet and using an alternating extension and retraction action, precise control of releasing ramie plants one by one can be achieved, thus avoiding the accumulation and jamming caused by multiple plants entering the straightening and shaping mechanism at the same time.

[0052] 4. By setting up the retractable and adjustable roller pressing ridges and their drive components in the roller pressing assembly, users can adjust the extension of the roller pressing ridges according to the different diameters of ramie plants, thereby achieving uniform and controllable pre-pressing of the ramie stalks, fully destroying the xylem structure, creating favorable conditions for the subsequent peeling process. At the same time, the user's adjustment can also allow the feeding port to process both coarse and fine diameter plants that have passed through the diameter screening device, effectively improving the overall work efficiency. Attached Figure Description

[0053] Figure 1 This is an overall schematic diagram of this embodiment;

[0054] Figure 2 This is a schematic diagram of the overall roller pressing device in this embodiment;

[0055] Figure 3 This is a three-dimensional cross-sectional view of the roller pressing device and the peeling assembly in this embodiment;

[0056] Figure 4 This is an overall schematic diagram of the diameter screening mechanism and the straightening and shaping mechanism in this embodiment;

[0057] Figure 5 This is a three-dimensional sectional view of the diameter screening mechanism in this embodiment;

[0058] Figure 6 This is a schematic diagram of the straightening and correction mechanism in this embodiment;

[0059] Figure 7 This is an exploded view of the straightening and correcting mechanism in this embodiment;

[0060] Figure 8 This is a partial schematic diagram of the extrusion forming assembly and the roll forming assembly after they are combined in this embodiment.

[0061] Reference numerals: 1. Frame; 2. Feed inlet; 3. Roller pressing device; 301. Roller pressing shaft; 302. Roller pressing strip; 303. Drive assembly; 4. Peeling assembly; 401. Primary peeling roller; 402. Secondary driven peeling roller; 403. Secondary active peeling roller; 404. Tertiary driven peeling roller; 405. Hemp spinning roller; 5. Diameter screening mechanism; 501. First roller conveyor belt; 502. Second roller conveyor belt; 503. Guide plate; 6. Straightening and straightening mechanism; 601. Extrusion and shaping assembly; 6011. Abutment block; 6012. Moving block; 6013. Extrusion drive assembly; 6014. Roller pressing roller 6015, Mounting base; 6016, Roller drive assembly; 602, Feed inlet; 6021, Sealing device; 603, Roller forming assembly; 6031, Mounting bracket; 6032, First roller assembly; 6033, Second roller assembly; 6034, First roller drive assembly; 6035, Second roller drive assembly; 604, Pushing assembly; 6041, Pushing plate; 6042, Push rod drive assembly; 7, First mounting platform; 8, Second mounting platform; 9, First V-groove; 10, Second V-groove; 11, First sliding seat; 12, First screw; 13, Second sliding seat; 14, Second screw. Detailed Implementation

[0062] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, where there is no conflict, the embodiments of the present invention and the features thereof can be combined with each other.

[0063] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the scope of protection of the invention is not limited to the specific embodiments disclosed below.

[0064] Example 1

[0065] like Figure 1As shown, a ramie peeling machine includes a frame 1, a feeding inlet 2, a roller pressing device 3, and a peeling assembly 4 mounted on the frame 1. It also includes a diameter screening mechanism 5 and a straightening and shaping mechanism 6. The straightening and shaping mechanism 6 is mounted on the front end of the diameter screening mechanism 5 via a first mounting platform 7 and is used to shape bent ramie plants. The straightening and shaping mechanism 6 includes: a compression shaping assembly 601, mounted on the first mounting platform 7, used to compress and shape bent ramie plants; a feeding inlet 602, located above the compression shaping assembly 601, the feeding inlet 602 having a curved channel structure to constrain the bent ramie plants from falling one by one, and a blocking device 6021 at its bottom; both the roller pressing assembly and the peeling assembly 4 are driven to rotate by a drive device, which is a belt and gear set, which can be driven by a diesel engine or a gasoline engine, thereby driving the roller pressing assembly and the peeling assembly 4 to rotate. A protective shell is also installed on the outer periphery of the belt and gear set.

[0066] Example 2

[0067] like Figure 2 As shown, the roller pressing device 3 includes: two roller pressing shafts 301 arranged symmetrically, a plurality of roller pressing protrusions 302 slidably installed inside the roller pressing shafts 301, and a drive assembly 303 for driving the roller pressing protrusions 302 to extend and retract radially. In some preferred embodiments, a scraper is also provided on the outer surface of the roller pressing shafts 301, wherein the scraper mainly scrapes off dirt adhering to the sidewalls of the roller pressing protrusions 302, thereby preventing dirt from entering the interior of the roller pressing shafts 301 and thus affecting the internal drive assembly 303;

[0068] In some preferred embodiments, the drive assembly 303 includes a lead screw, a worm gear, a worm, a sliding sleeve, and a connecting rod assembly; the lead screw is axially arranged along the roller pressing shaft 301 and rotatably installed inside the roller pressing shaft 301, and a worm gear is fixedly connected to one end of the lead screw; the worm and the worm gear mesh for transmission, both the worm gear and the worm are installed inside the roller pressing shaft 301, and one end of the worm extends out of the outer wall of the roller pressing shaft 301, and an internal hexagonal groove is provided at the extended end; the sliding sleeve is threadedly connected to the lead screw and can slide axially with the rotation of the lead screw.

[0069] The connecting rod assembly includes several connecting rods, which are arranged around the sliding sleeve. One end of each connecting rod is hinged to the roller pressing protrusion 302, and the other end is hinged to the sliding sleeve. The lead screw includes a left-threaded rod and a right-threaded rod, with opposite thread directions. The sliding sleeve and the connecting rod assembly are arranged symmetrically in two groups inside the roller pressing shaft 301. The left-threaded rod and the right-threaded rod jointly drive the roller pressing protrusion 302 to extend and retract radially. In some preferred embodiments, the worm can also be driven to rotate by a reducer and a servo motor at the end of the worm. The reducer and the servo motor can be installed inside the roller pressing shaft 301. Specifically, a groove is provided on the roller pressing shaft 301 for the reducer and the servo motor to be inserted. A sealing plate is rotatably installed at the opening of the groove. The sealing plate and the groove can be connected by a snap-fit ​​or fixed by bolt locking.

[0070] Before using the ramie stripping machine, the user can insert a hex wrench into the internal hexagonal groove at the end of the worm gear and rotate the worm gear by the hex wrench. The worm gear drives the worm wheel and the screw fixedly connected to it to rotate. When the screw rotates, the sliding sleeve moves axially, and the axial motion is converted into the radial extension and retraction motion of the roller pressing protrusion 302 through the connecting rod assembly. This allows the user to adjust the extension of the roller pressing protrusion 302 according to the shape of ramie stalks of different thicknesses, thereby adjusting the gap between the two roller pressing assemblies. This effectively adapts to ramie plants of different diameters and solves the problem of insufficient roller pressing for small-diameter ramie stalks in existing ramie stripping machines. At the same time, the user's adjustment can also allow the feeding port to process both coarse and fine diameter plants that have passed through the diameter screening device, effectively improving the overall work efficiency.

[0071] Example 3

[0072] like Figure 3 As shown, the peeling assembly 4 includes a primary peeling wheel 401, a secondary driven peeling wheel 402, a secondary active peeling wheel 403, a tertiary driven peeling wheel 404, and a hemp-spinning wheel 405, which are sequentially arranged on the frame 1 and located at the rear end of the roller pressing device 3. The secondary driven peeling wheel 402 and the secondary active peeling wheel 403 are engaged, and the secondary active peeling wheel 403 is engaged with the tertiary driven peeling wheel 404.

[0073] Preferably, the secondary driven stripping wheel 402, the secondary active stripping wheel 403, and the tertiary driven stripping wheel 404 have similar structures, including a rotating shaft, several stripping discs, several stripping blades, and several stripping pads. The stripping discs are fixed to the rotating shaft and evenly arranged on the shaft. Several stripping blades are detachably attached to the stripping discs by locking components. The stripping pads are detachably mounted on the stripping blades by locking components. The ramie-spinning wheel 405 is located below the tertiary driven stripping wheel 404 and is used to evenly fling out the stripped ramie fibers for subsequent collection and processing. The ramie-spinning wheel 405 has several flinging blades on its disc, which can generate centrifugal force when rotating at high speed to efficiently disperse the ramie fibers.

[0074] The stripping blades and stripping pads are detachable and installable via locking components, which facilitates maintenance and replacement, reduces maintenance costs, and also provides good versatility and interchangeability.

[0075] In some embodiments, a ramie rod is provided on the side opposite to the feeding inlet 2 to receive the ramie fibers thrown out by the ramie spinning wheel 405.

[0076] Example 4

[0077] like Figure 4 , Figure 5 As shown, the diameter screening device includes: a first roller conveyor belt 501, which is located at the front end of the feed inlet 2 and is divided into a fine diameter conveying channel and a coarse diameter conveying channel by a partition plate; a second roller conveyor belt 502, which is located above the first roller conveyor belt 501, and the rollers on the second roller conveyor belt 502 are arranged perpendicularly to the rollers on the first roller conveyor belt 501 in space, for screening the diameter of ramie plants; and a guide plate 503, which is located below the second roller conveyor belt 502, for guiding plants that have not passed through the second roller conveyor belt 502 into the first roller conveyor belt 501.

[0078] The spacing between the rollers on the second roller conveyor belt 502 is set according to the diameter range of the ramie plants, preferably larger than a preset medium diameter value. This allows ramie plants with a diameter smaller than the preset medium diameter to pass smoothly through the gap between adjacent rollers, while larger diameter ramie plants cannot pass through, thus achieving the screening of ramie of different diameters. Preferably, the spacing of the second roller conveyor belt 502 is adjustable to adapt to the screening requirements of ramie of different specifications. The rollers on the second roller conveyor belt 502 have several protrusions on their surfaces to increase the friction between the ramie plants and the rollers. It is worth mentioning that both the first roller conveyor belt 501 and the second roller conveyor belt 502 can be driven by a variable frequency motor, and their speed is adjustable.

[0079] like Figure 5 , Figure 6As shown, the plugging device 6021 includes two sets of electric push rods arranged parallel to each other. The two sets of electric push rods work together in an alternating extension and retraction manner to sequentially release single ramie plants into the straightening and shaping mechanism 6. In some preferred embodiments, a vibration device is also installed on the side wall of the feed inlet 602. Through the periodic vibration of the vibration device, the bent ramie plants can fall smoothly into the extrusion and shaping component 601, thereby reducing the risk of material blockage during the feeding process and further ensuring the continuity and stability of the feeding process. The vibration device can be an eccentric motor type vibration device, which generates an unbalanced centrifugal force when the motor rotates by installing an eccentric block on the motor shaft, thereby driving the side wall of the feed inlet 602 to generate periodic vibration; or it can be a pneumatic vibrator, which uses compressed air to drive the piston or vibrating hammer to reciprocate, so that the feed inlet 602 generates high-frequency vibration.

[0080] Roller forming assembly 603 is installed at one end of the first mounting platform 7 and is used to roll form the ramie plants after extrusion forming; pusher assembly 604 is set at one end of the extrusion forming assembly 601 and is used to push the extrusion forming ramie plants into the roller forming assembly 603; diameter screening mechanism 5 is set between the feeding inlet 2 and the straightening and shaping mechanism 6 and is used to screen the diameter of the straightened and shaped ramie plants.

[0081] like Figure 7 As shown, the extrusion shaping assembly 601 is mounted on top of the first mounting platform 7 via the second mounting platform 8. The extrusion shaping assembly 601 includes: an abutment block 6011, fixedly mounted on the top surface of the second mounting platform 8, with a first V-groove 9 on one end face of the abutment block 6011 for positioning and abutting the ramie plant; a moving block 6012, slidably mounted on the top surface of the second mounting platform 8, with a second V-groove 10 on one end face of the moving block 6012 opposite to the abutment block 6011; and an extrusion drive assembly 6013, mounted on the second mounting platform 8, with its output end connected to the moving block 6012 for driving the moving block 6012 to move towards the abutment block 6011. The extrusion drive assembly 6013 is not limited to a specific form; it can be a hydraulic cylinder, hydraulic oil cylinder, or electric push rod, etc. Any existing drive structure that can achieve linear drive and drive the moving block 6012 to make linear movement is applicable.

[0082] like Figure 7 , Figure 8As shown, the extrusion shaping assembly 601 also includes a rolling roller 6014 disposed inside the movable block 6012. The rolling roller 6014 is slidably mounted inside the movable block 6012 via a U-shaped seat. A rolling roller drive assembly 6016 is provided on one side of the movable block 6012 via a mounting seat 6015. The output end of the rolling roller drive assembly 6016 is fixedly connected to one end of the mounting seat 6015. The rolling roller drive assembly 6016 is not limited to a specific form. It can be a hydraulic cylinder, a hydraulic oil cylinder, or an electric push rod, etc. Any existing drive structure that can achieve linear drive and drive the U-shaped seat and the roller to make linear motion is applicable.

[0083] In some embodiments, the abutment block 6011 is provided with buffer components at both ends, wherein the buffer components include sliding rods slidably mounted at both ends of the abutment block 6011, one end of the sliding rod is provided with a buffer plate, and the other end is provided with a limiting block. A buffer spring is fitted on the outer surface of the sliding rod, and the buffer spring is located between the abutment plate and the abutment block 6011. The side of the buffer plate facing the moving block 6012 is an arc-shaped abutment surface. When the arc-shaped abutment surface contacts the ramie plant, it can disperse the force and avoid damage to the plant epidermis due to concentrated squeezing. The limiting block is fixed to the end of the abutment block 6011 to limit the maximum extension stroke of the sliding rod, ensuring that the buffer plate can move within a preset range when impacted or deflected by the plant, and avoiding excessive displacement that affects the shaping effect.

[0084] like Figure 7 , Figure 8 As shown, the roll forming assembly 603 includes: a mounting frame 6031, disposed on the first mounting platform 7 and located at one end of the extrusion forming assembly 601; a first roll forming assembly 6032, disposed on the mounting frame 6031, including two first roll forming rollers arranged vertically and horizontally, wherein one of the first roll forming rollers is adjustablely mounted on the mounting frame 6031 via a first sliding seat 11 and a first screw 12, for adjusting the vertical gap between the two first roll forming rollers; and a second roll forming assembly 6033, disposed at one end of the first roll forming assembly 6032, including two second roll forming rollers. The rollers and the first roller assembly 6032 are arranged perpendicularly in space. The two second rollers are adjustablely mounted on the mounting frame 6031 via the second sliding seat 13 and the second screw 14 to adjust the gap between the two second rollers. The first roller drive assembly 6034 is located at one end of the two first rollers and is used to drive the first rollers to rotate. The second roller drive assembly 6035 is located at one end of the two second rollers and is used to drive the second rollers to rotate. The ends of the first screw 12 and the second screw 14 are both provided with knobs, and the circumference of the knobs is knurled.

[0085] In some preferred embodiments, in order to make the first roller pressing assembly 6032 and the second roller pressing assembly 6033 more stable during operation, the first sliding seat 11 and the second sliding seat 13 are slidably mounted on the mounting frame 6031 via guide rails. After the gap adjustment is completed, the first sliding seat 11 and the second sliding seat 13 are fixed to the mounting frame 6031 by locking bolts, thereby ensuring the stability of the first roller pressing assembly 6032 and the second roller pressing assembly 6033 during operation. Preferably, the end of the locking bolt is fitted with an anti-loosening washer or a spring washer to prevent the bolt from loosening due to vibration during the roller pressing process.

[0086] like Figure 8 As shown, the pushing assembly 604 includes a pushing plate 6041 and a push rod drive assembly 6042. The pushing plate 6041 is slidably installed in the first V-groove 9, and the output end of the push rod drive assembly 6042 is fixedly connected to the pushing plate 6041 for linearly pushing the ramie plant. Preferably, the push rod drive assembly 6042 can be a cylinder, a hydraulic cylinder, or an electric push rod, which can adjust the pushing force and stroke according to different production needs to ensure that the ramie plant can smoothly enter the roller forming assembly 603 and avoid jamming or accumulation. In some preferred embodiments, the front end of the pushing plate 6041 is provided with an arc-shaped guide surface, which faces the roller forming assembly 603. The surface of the arc-shaped guide surface is covered with a wear-resistant layer, and the surface of the wear-resistant layer is provided with protrusions.

[0087] Example 6

[0088] Based on Embodiment 1, Embodiment 2, Embodiment 3, Embodiment 4, or Embodiment 5, the present invention also provides a method for using a ramie peeling machine, the specific steps of which are as follows:

[0089] S1 (Single Root Feed): The operator places the bent ramie plant at the feed inlet 602, and the plant falls one by one through the curved channel feed inlet 602; the feed inlet 602 constrains the posture of the plant to prevent it from becoming scattered and stuck; then the two sets of electric push rods of the blocking device 6021 alternately extend and retract to control the release of the bent plant one by one, ensuring that each plant enters the straightening and shaping mechanism 6 in sequence, and preventing multiple plants from entering at the same time and affecting the shaping effect.

[0090] S2 (Extrusion Shaping): The bent ramie plant enters the extrusion shaping component 601 and is positioned between the first V-groove 9 and the second V-groove 10. The moving block 6012 moves towards the abutment block 6011 under the action of the extrusion drive component 6013, achieving initial flattening of the bent portion. The buffer components at both ends of the abutment block 6011 disperse the impact under force, preventing damage to the plant's epidermis. Subsequently, the rolling roller 6014, under the action of the rolling roller drive component 6016, generates linear motion and closely adheres to the ramie plant, preparing for subsequent material pushing.

[0091] S3 (Pushing and Roller Shaping): After the pre-correction of extrusion shaping is completed, the ramie plant is pushed into the roller shaping assembly. Then, the bent and straightened ramie plant is subjected to longitudinal and transverse bidirectional roller pressing by the first roller pressing assembly 6032 and the second roller pressing assembly 6033 to completely shape the bent part and ensure that the plant is straight before entering the peeling stage.

[0092] S4 (Diameter Screening): After straightening, the ramie plants enter the diameter screening mechanism 5. Plants with smaller diameters fall into the fine diameter conveying channel through the gap of the second roller conveyor belt 502, while plants with larger diameters enter the coarse diameter channel along the first roller conveyor belt 501, thereby realizing the diameter diversion of the curved plants.

[0093] S5 (Roller Pressing and Peeling): Plants sieved into fine or coarse diameters enter their corresponding re-roller pressing units (the final shaping of different diameters is achieved by adjusting the gap of the roller pressing convex strips 302), and then pass through the first, second (active / passive meshing) and third-stage peeling rollers. The peeled fibers are then thrown out by the hemp spinning wheel 405, realizing the separation of hemp fibers from hemp stalks.

[0094] S6 (Fiber Collection): After being stripped, the ramie plants throw out the ramie fibers using a ramie-spinning wheel 405, causing the fibers to hang on the ramie stalks.

[0095] Although preferred embodiments of the invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including both the preferred embodiments and all changes and modifications falling within the scope of the invention.

[0096] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. A ramie peeling machine, comprising a frame (1), a feeding inlet (2), a roller pressing device (3), and a peeling assembly (4) disposed on the frame (1), characterized in that: It also includes a diameter screening mechanism (5) and a straightening and shaping mechanism (6); The straightening and correcting mechanism (6) is mounted on the front end of the diameter screening mechanism (5) via a first mounting platform (7) and is used to straighten bent ramie plants. The straightening and correcting mechanism (6) includes: The extrusion shaping component (601) is disposed on the first mounting platform (7) and is used to extrude and shape the bent ramie plant. The feed inlet (602) is located above the extrusion and shaping assembly (601). The feed inlet (602) has a curved channel structure to constrain the curved ramie plants from falling one by one. A plugging device (6021) is provided at the bottom of the feed inlet. Roller pressing and shaping assembly (603) is installed at one end of the first mounting platform (7) and is used to roll press and shape ramie plants after extrusion and shaping. The pushing component (604) is disposed at one end of the extrusion shaping component (601) and is used to push the extruded and shaped ramie plants into the roller shaping component (603); The diameter screening mechanism (5) is located between the feeding inlet (2) and the straightening and shaping mechanism (6) and is used to screen the diameter of the straightened and shaped ramie plants.

2. The ramie peeling machine according to claim 1, characterized in that: The extrusion shaping assembly (601) is mounted on top of the first mounting platform (7) via a second mounting platform (8), and the extrusion shaping assembly (601) includes: A stop block (6011) is fixedly installed on the top surface of the second mounting platform (8). A first V-shaped groove (9) is provided on one end face of the stop block (6011) for positioning and stopping the ramie plant. The movable block (6012) is slidably disposed on the top surface of the second mounting platform (8), and a second V-shaped groove (10) opposite to the budget abutment block (6011) is provided on one end surface of the movable block (6012). An extrusion drive assembly (6013) is disposed on the second mounting platform, and its output end is connected to the moving block (6012) for driving the moving block (6012) to move toward the abutment block (6011).

3. The ramie peeling machine according to claim 2, characterized in that: The extrusion shaping assembly (601) also includes a rolling roller (6014) disposed inside the movable block (6012). The rolling roller (6014) is slidably mounted inside the movable block (6012) via a U-shaped seat. A rolling roller drive assembly (6016) is provided on one side of the movable block (6012) via a mounting base (6015). The output end of the rolling roller drive assembly (6016) is fixedly connected to one end of the mounting base (6015).

4. The ramie peeling machine according to claim 3, characterized in that: The roll forming assembly (603) includes: Mounting bracket (6031) is disposed on the first mounting platform (7) and located at one end of the extrusion shaping assembly (601); The first roller pressing assembly (6032) is mounted on the mounting frame (6031) and includes two first roller pressing rollers arranged in parallel. One of the first roller pressing rollers is adjustablely mounted on the mounting frame (6031) via a first sliding seat (11) and a first screw (12) to adjust the gap between the two first roller pressing rollers. The second roller pressing assembly (6033) is disposed at one end of the first roller pressing assembly (6032) and includes two second roller pressing rollers. The two second roller pressing rollers are arranged perpendicularly to the first roller pressing assembly (6032) in space. The two second roller pressing rollers are adjustablely mounted on the mounting frame (6031) through the second sliding seat (13) and the second screw (14) to adjust the gap between the two second roller pressing rollers. The first roller pressing drive assembly (6034) is disposed at one end of the two first roller pressing rollers and is used to drive the first roller pressing rollers to rotate. The second roller pressing drive assembly (6035) is disposed at one end of the two second roller pressing rollers and is used to drive the second roller pressing rollers to rotate; Both the first screw (12) and the second screw (14) are provided with knobs at their ends, and the knobs are provided with knurled patterns around their circumference.

5. The ramie peeling machine according to claim 1, characterized in that: The plugging device (6021) includes two sets of electric push rods arranged in parallel at the top and bottom. The two sets of electric push rods alternately extend and retract to release single ramie plants into the straightening and shaping mechanism (6) in sequence.

6. The ramie peeling machine according to claim 1, characterized in that: The diameter screening device includes: The first roller conveyor belt (501) is located at the front end of the feed inlet (2) and is divided into a fine diameter conveying channel and a coarse diameter conveying channel by a partition plate; The second roller conveyor belt (502) is positioned above the first roller conveyor belt (501), and the rollers on the second roller conveyor belt (502) are arranged perpendicularly to the rollers on the first roller conveyor belt (501) in space, for screening the diameter of ramie plants. A guide plate (503) is disposed below the second roller conveyor belt (502) to guide plants that have not passed through the second roller conveyor belt (502) into the first roller conveyor belt (501).

7. The ramie peeling machine according to claim 2, characterized in that: The pushing assembly (604) includes a pushing plate (6041) and a push rod drive assembly (6042). The pushing plate (6041) is slidably installed in the first V-groove (9). The output end of the push rod drive assembly (6042) is fixedly connected to the pushing plate (6041) for linearly pushing ramie plants.

8. The ramie peeling machine according to claim 7, characterized in that: The front end of the pusher plate (6041) is provided with an arc-shaped guide surface, which is positioned facing the roll forming assembly (603). The surface of the arc-shaped guide surface is covered with a wear-resistant layer, and the surface of the wear-resistant layer is provided with protrusions.

9. The ramie peeling machine according to claim 1, characterized in that: The roller pressing device (3) includes: two roller pressing shafts (301) arranged symmetrically, a plurality of roller pressing protrusions (302) slidably installed in the roller pressing shafts (301), and a driving assembly (303) for driving the roller pressing protrusions (302) to extend and retract radially.

10. The ramie peeling machine according to claim 1, characterized in that: The peeling assembly (4) includes a primary peeling wheel (401), a secondary driven peeling wheel (402), a secondary active peeling wheel (403), a tertiary driven peeling wheel (404), and a hemp-spinning wheel (405), which are arranged sequentially on the frame (1) and located at the rear end of the roller pressing device (3). The secondary driven peeling wheel (402) and the secondary active peeling wheel (403) are engaged, and the secondary active peeling wheel (403) is engaged with the tertiary driven peeling wheel (404).

Images