CN216427489U - Sisal hemp scraping machine - Google Patents

Abstract

The application discloses a sisal hemp scraping machine, which relates to the technical field of sisal hemp processing, and is characterized in that the structure is optimized on the basis of the prior art, a hemp leaf conveying device is arranged at an inlet of a sisal hemp pressing device, so that sisal hemp leaves can be conveniently conveyed, and manual participation is reduced; the lower side of scraping the numb sword ball at a high speed has set up double-layered numb conveyor, double-layered numb conveyor includes first belt pulley, the rotatable setting of first belt pulley is in the right side below of scraping the numb sword ball at a high speed, the rotatable setting of second belt pulley is in the left side below of scraping the numb sword ball at a high speed, around being equipped with conveyor belt above first belt pulley and the second belt pulley, the rotatable setting of fibre compression roller is in the right side below of scraping the numb sword ball at a high speed and is located the upper left side of first belt pulley, this fibre compression roller is contradicted each other with conveyor belt, and make conveyor belt form a crooked radian downwards. The whole device has the advantages of simple structure, low cost, convenient operation and wide popularization prospect.

Description

Sisal hemp scraping machine

Technical Field

The application relates to the technical field of sisal hemp processing, in particular to a sisal hemp scraping machine.

Background

Sisal hemp, also known as pineapple hemp, belongs to agave of agave family, is a perennial heat generating hard leaf fiber crop, and is a hard fiber with the largest usage and widest scope in the world today; the sisal fibers are tough, wear-resistant, salt-alkali resistant and corrosion resistant, can be widely applied to various industries such as transportation, fishery, petroleum, metallurgy and the like, and have important economic value. The import and export trade of the sisal hemp in the world is continuously increased, the sisal hemp fiber produced in China at present cannot meet the domestic requirements, the import quantity of the sisal hemp fiber is increased every year in China along with the continuous increase of the application of the sisal hemp fiber, and meanwhile, the sisal hemp has important medicinal value.

After the sisal hemp leaves are harvested, the sisal hemp leaves need to be treated in time, the existing sisal hemp leaf processing mostly adopts the steps of pressing firstly and then scraping, firstly, the sisal hemp leaves are extruded, then, the extruded leaves are scraped by utilizing a cutter ball, like an automatic sisal hemp scraper disclosed in Chinese utility model patent CN202214457U, a plurality of groups of leaf suction and pressing devices which are mutually meshed in an up-and-down symmetrical mode are fixedly installed at the front end of the top layer of a frame, a ramie scraping concave plate is arranged at the right lower end of the suction and pressing device, the ramie scraping concave plate and a rotatable circular ramie scraping tail shaft are respectively movably connected with a high-speed sisal hemp scraper ball, and the high-speed sisal hemp scraper ball is movably connected with a power motor; the bottom layer of the frame is provided with a fiber conveying belt which is movably connected with a fiber separating wheel, and the middle layer of the frame is provided with a power motor, a plurality of left and right symmetrical mutually meshed ramie collecting water pressing devices and a speed reducer; the power motor is movably connected with the speed reducer, the speed reducer and the ramie pressing water device are movably connected, so that the ramie pressing and scraping work can be well realized, but the structure is complex, the trouble is easy to occur, in addition, no clamping point exists after hemp leaves are separated from the suction pressing device, and the tail-end sisal hemp green husk is not easy to scrape and influences the product quality.

Disclosure of Invention

In order to solve the above problems, the present application is implemented by the following technical solutions:

a sisal hemp scraping machine comprises a high-speed hemp scraping cutter ball and a rack, wherein a hemp leaf conveying device, a hemp pressing device, a guide unit, the high-speed hemp scraping cutter ball, a hemp clamping conveying device, a fiber separating wheel and a motor are fixedly arranged on the rack;

the hemp pressing device is positioned on one side of the hemp leaf conveying device, the hemp leaf conveying device is used for conveying hemp leaves to the hemp pressing device, the hemp pressing device is used for extruding the processed sisal hemp leaves, and the hemp pressing device can press hemp paste and water in the sisal hemp leaves out;

the guide unit is positioned at the other side of the ramie pressing device;

the guide unit is positioned on one side of the high-speed hemp scraper ball; the guide unit is matched with the high-speed sisal hemp scraping cutter ball to scrape the squeezed sisal hemp leaves;

the hemp clamping and conveying device is positioned below the high-speed hemp scraping knife ball;

press from both sides numb conveyor includes first belt pulley, second belt pulley, conveyor belt and fibre compression roller, the rotatable setting of first belt pulley is in scrape the right side below of numb sword ball at a high speed, the rotatable setting of second belt pulley is in scrape the left side below of numb sword ball at a high speed, around being equipped with above first belt pulley and the second belt pulley conveyor belt, the rotatable setting of fibre compression roller is in scrape the right side below of numb sword ball at a high speed and be located the upper left side of first belt pulley, this fibre compression roller with conveyor belt contradicts each other to make conveyor belt form a crooked radian downwards. The second belt pulley is in transmission connection with the motor through a transmission belt, so that the use of the motor can be reduced, and the motor can be independently configured for driving. When the sisal hemp leaf pressing device works, sisal hemp leaves are conveyed into the sisal hemp leaf pressing device by the sisal hemp leaf conveying device to be pressed, the sisal hemp leaves can be crushed by the sisal hemp leaf pressing device, so that hemp paste and moisture in the sisal hemp leaves are partially pressed out, the green tangerine peels are crushed, and the green tangerine peels are more conveniently scraped. After passing through the sisal hemp pressing device, the sisal hemp blades are sent out from an outlet of the sisal hemp pressing device and enter the guide unit, the sisal hemp blades are sent to the high-speed sisal hemp scraping knife ball by the guide unit, the high-speed sisal hemp scraping knife ball is driven by the motor to rotate at a high speed, and the crushed sisal hemp is scraped by using a scraper on the periphery of the high-speed sisal hemp scraping knife ball. In the process of scraping hemp, green husks, hemp paste and sisal fibers on the sisal hemp blades are slowly separated, the sisal hemp fibers can move downwards and enter a gap between a fiber pressing roller and a conveying belt along with the continuous feeding of the guide unit into the sisal hemp blades, the sisal hemp fibers have a certain length, when the part fed by the tail ends of the sisal hemp blades is not yet scraped, the fibers at the front ends of the sisal hemp blades enter the gap between the fiber pressing roller and the conveying belt, so that the effects of clamping the fibers and stabilizing the hemp leaves on which the green husks are not yet scraped at the rear parts are achieved, the conveying belt rotates anticlockwise, the fibers scraped under the effect of the fiber pressing roller are slowly fed to the other end of the conveying belt, and hemp residues and the sisal hemp fibers are separated through a fiber separating wheel. Compared with the prior art, the structure is more compact, and the ramie scraping effect is more remarkable.

Preferably, the hemp leaf conveying device is a belt conveyor. The belt conveyor may itself be self-powered, e.g. by a small electric motor, or may be connected to the motor via a reduction gear. One end of a belt of the belt conveyor is connected with an inlet of the sisal hemp pressing device, and the other end of the belt conveyor is used as a feeding end for placing sisal hemp blades.

Preferably, the ramie pressing device is formed by refitting a roller type sugarcane crushing machine. The roller type sugarcane squeezer is a common product, and only the elastic connecting piece is arranged on the roller after the roller type sugarcane squeezer is bought back, so that the two squeezing rollers are in elastic connection instead of rigid connection, and the automatic adjustment of the gap of the rollers according to different thicknesses of sisal hemp blades is facilitated.

Preferably, the guide unit includes a guide lower roller, a guide upper roller, a knife plate, and a guide plate;

the lower guiding roller is rotatably arranged between the ramie pressing device and the high-speed ramie scraping cutter ball, the upper guiding roller is rotatably arranged on the lower guiding roller, and the left side of the lower guiding roller is fixedly provided with the cutter plate;

the knife plate is an iron plate which is obliquely arranged, and the height of one end of the knife plate, which is positioned at the lower guide roller, is higher than the height of the other end of the knife plate, which is close to the high-speed ramie-scraping knife ball;

the lower part of the other end of the knife board is fixedly provided with the guide board, the guide board is of an arc structure, and the guide board is wrapped on the right lower side of the high-speed hemp scraping knife ball. The purpose of setting up the guide unit is to let the sisal hemp leaf after being extruded can carry out green skin smoothly and scrape to scrape as completely as possible under the effect of cutting board and deflector, provide product quality. The lower guide roller and the upper guide roller can be rollers without power, the movement of the sisal hemp blades in the early stage is provided by a hemp pressing device at the back, and the movement of the sisal hemp blades in the later stage is provided by a high-speed hemp scraping knife ball and a hemp clamping conveying device.

Preferably, the high-speed hemp scraping cutter ball is a wheel with a cylindrical structure, a plurality of scrapers are fixedly arranged on the periphery of the high-speed hemp scraping cutter ball along the axial direction, the scrapers are made of iron plates, and arc chamfers are arranged on two sides of each scraper. Thus, the green skin of the sisal hemp can be well scraped without damaging sisal hemp fibers.

Preferably, the gap between the top of the fiber pressing roller and the bottom of the high-speed ramie scraper ball is 2-6 mm. The arrangement is to prevent the high-speed hemp scraping cutter ball from driving part of sisal hemp fibers to float when rotating, so that the fiber press roller can not roll and convey the fibers

Preferably, the gap between the top of the fiber pressing roller and the bottom of the high-speed ramie scraper ball is 2 mm. In long-term practice, it has been found that such a gap completely ensures that all sisal fibers can be wound into the conveyor belt by the fiber roller.

Preferably, a fiber conveying device is further arranged on one side of the frame, and the fiber conveying device is located on one side of the fiber separating wheel and corresponds to the fiber separating wheel.

Preferably, the fiber conveying device comprises a support frame and a chain conveyor, and the chain conveyor is fixedly arranged on the support frame;

the conveying direction of the chain conveyor is parallel to the axial direction of the fiber separating wheel, and the height of the chain conveyor is lower than that of the fiber separating wheel. The fiber separating wheel is also called a flail wheel, and after sisal fibers fall into the fiber separating wheel from the conveying belt, the sisal fibers slowly move from right to left under the rotation drive of the fiber separating wheel and are overturned and hung on the chain conveyor. The power of the fiber separating wheel can be driven by an independent motor or can be obtained from the hemp clamping conveying device through a belt or a communication transmission mode.

On the basis of the prior art, the structure is optimized, and the hemp leaf conveying device is arranged at the inlet of the hemp pressing device, so that the sisal hemp leaves can be conveniently conveyed, and the manual participation is reduced; the below of scraping the numb sword ball at a high speed has set up double-layered numb conveyor, and double-layered numb conveyor includes, first belt pulley, and the rotatable setting of first belt pulley is in the right side below of scraping the numb sword ball at a high speed, the rotatable setting of second belt pulley is in the left side below of scraping the numb sword ball at a high speed, around being equipped with above first belt pulley and the second belt pulley conveyor belt, the rotatable setting of fibre compression roller is in the right side below of scraping the numb sword ball at a high speed just is located the upper left side of first belt pulley, this fibre compression roller with conveyor belt contradicts each other to make conveyor belt form a crooked radian downwards, such structure can be with scrape the fibre that the numb sword ball was scraped at a high speed and be drawn into the fibre compression roller with carry out the scraping of sisal hemp rear end in the conveyor belt. The whole device has the advantages of simple structure, low cost, convenient operation and wide popularization prospect.

Drawings

FIG. 1 is a schematic perspective view of an embodiment provided herein;

FIG. 2 is a schematic structural view of only a moving part of the present application after several shelves have been removed;

fig. 3 is a front view of fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to fig. 3 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 3, a sisal hemp scraper comprises a high-speed sisal hemp scraper ball 4 and a frame 8, wherein the frame 8 is formed by welding an iron plate and channel steel. The frame 8 is fixedly provided with a hemp leaf conveying device 1, a hemp pressing device 2, a guide unit 3, a high-speed hemp scraping knife ball 4, a hemp clamping conveying device 5, a fiber separating wheel 6 and a motor 9.

Wherein,

the ramie pressing device 2 is positioned at one side of the ramie leaf conveying device 1, and the ramie pressing device 2 is formed by refitting a roller type sugarcane squeezer. The roller type sugarcane squeezer is a common product, and the roller type sugarcane squeezer can be bought to be provided with the elastic connecting piece on the roller, so that the two squeezing rollers are in elastic connection instead of rigid connection, and the roller is favorable for automatically adjusting the clearance according to different thicknesses of sisal leaves. The hemp leaf conveying device 1 is used for conveying hemp leaves to the hemp pressing device 2, and in the embodiment, the hemp leaf conveying device 1 is a belt conveyor. The belt conveyor can be driven by its own power unit, for example with a small electric motor, or be connected to the electric motor 9 via a reduction gear. One end of a belt of the belt conveyor is connected with an inlet of the sisal hemp pressing device 2, and the other end of the belt conveyor is used as a feeding end for placing sisal hemp blades. The sisal hemp pressing device 2 is used for pressing the processed sisal hemp leaves, and the sisal hemp pressing device 2 can press out hemp paste and water in the sisal hemp leaves.

The guiding unit 3 is positioned at the other side of the ramie pressing device 2, and the guiding unit 3 comprises a lower guiding roller 30, an upper guiding roller 31, a knife board 32 and a guiding board 33. The guiding lower roller 30 is rotatably arranged between the ramie pressing device 2 and the high-speed ramie scraping cutter ball 4, the guiding upper roller 31 is rotatably arranged on the guiding lower roller 30, and a cutter plate 32 is fixedly arranged on the left side of the guiding lower roller 30. The knife plate 32 is an obliquely arranged iron plate which is located at one end of the guide down roller 30 at a higher height than the other end near the high speed hemp cutting ball 4. A guide plate 33 is fixedly arranged below the other end of the knife plate 32, the guide plate 33 is of an arc-shaped structure, and the guide plate 33 is wrapped on the right lower side of the high-speed hemp scraping knife ball 4. The guiding unit 3 is provided to smoothly scrape off green husks of squeezed sisal leaves and to completely scrape off the green husks as much as possible by the knife plate 32 and the guiding plate 33, thereby improving product quality. The lower guide roller 30 and the upper guide roller 31 may be unpowered rollers, the movement of the sisal blades in the early stage being provided by the back hemp pressing device 2 and the movement in the later stage being provided by the high-speed hemp scraping knife ball 4 and the hemp clamping and conveying device 5.

The guiding unit 3 is matched with the high-speed sisal hemp scraping cutter ball 4 to scrape the squeezed sisal hemp leaves. The high-speed hemp scraping cutter ball 4 is a wheel with a cylindrical structure, a plurality of scrapers are fixedly arranged on the periphery of the high-speed hemp scraping cutter ball along the axial direction, the scrapers are made of iron plates, and arc chamfers are arranged on two sides of the scrapers. Thus, the green skin of the sisal hemp can be well scraped without damaging sisal hemp fibers.

The ramie clipping conveying device 5 is positioned below the high-speed ramie scraping cutter ball 4. The ramie clipping conveying device 5 comprises a first belt pulley 50, a second belt pulley 51, a conveying belt 52 and a fiber pressing roller 53, wherein the first belt pulley 50 is rotatably arranged at the right lower part of the high-speed ramie scraping cutter ball 4, the second belt pulley 51 is rotatably arranged at the left lower part of the high-speed ramie scraping cutter ball 4, the conveying belt 52 is wound on the first belt pulley 50 and the second belt pulley 51, the fiber pressing roller 53 is rotatably arranged at the right lower part of the high-speed ramie scraping cutter ball 4 and is positioned at the left upper part of the first belt pulley 50, and the fiber pressing roller 53 and the conveying belt 52 mutually abut against each other and enable the conveying belt 52 to downwards form a bent radian. The second belt pulley 51 is in transmission connection with the motor 9 through a transmission belt, so that the use of a motor can be reduced, and a motor can be independently configured for driving. When the sisal hemp leaf pressing device works, sisal hemp leaves are conveyed into the sisal hemp leaf pressing device 2 by the sisal hemp leaf conveying device 1 to be pressed into hemp, the sisal hemp leaves can be crushed by the sisal hemp leaf pressing device 2, so that hemp paste and moisture in the sisal hemp leaves are partially pressed out, the green tangerine peel is broken, and the green tangerine peel can be more conveniently scraped. After the sisal hemp blades pass through the sisal hemp pressing device 2, the sisal hemp blades are sent out from an outlet of the sisal hemp pressing device 2 and enter the guide unit 3, the sisal hemp blades are sent to the high-speed sisal hemp scraping knife ball 4 by the guide unit 3, the high-speed sisal hemp scraping knife ball 4 is driven by the motor 9 to rotate at a high speed, and the crushed sisal hemp is scraped by the scrapers on the periphery of the high-speed sisal hemp scraping knife ball. In the process of scraping hemp, green husks, hemp paste and sisal fibers on the sisal hemp blades are slowly separated, the sisal hemp fibers move downwards along with the continuous feeding of the guide unit 3 into the sisal hemp blades and enter a gap between the fiber pressing roller 53 and the conveying belt 52, because the sisal hemp blades have a certain length, when the part fed by the tail ends of the sisal hemp blades is not yet scraped, the fibers at the front ends enter the gap between the fiber pressing roller 53 and the conveying belt 52, the effect of clamping the fibers and stabilizing the hemp leaves on which the green husks are not yet scraped behind is achieved, the conveying belt 52 rotates anticlockwise, the fibers scraped under the effect of the fiber pressing roller 53 are slowly fed to the other end of the conveying belt 52, and hemp residue and sisal hemp fibers are separated through the fiber separating wheel 6. Compared with the prior art, the structure is more compact, and the ramie scraping effect is more remarkable.

In one embodiment, the gap between the top of the fiber pressing roller 53 and the bottom of the high-speed knifing ball 4 is 2-6 mm. The arrangement is to prevent the high-speed hemp scraper ball 4 from driving part of the sisal fibers to float when rotating, so that the fiber press roller 53 cannot roll the fibers into and convey the fibers, and the gap between the top of the fiber press roller 53 and the bottom of the high-speed hemp scraper ball 4 is preferably 2 mm. In long-term practice it has been found that such a gap completely ensures that all sisal fibers are wound into the conveyor belt 52 by the fiber roller 53.

A fiber conveying device 7 is further arranged on one side of the frame 8, and the fiber conveying device 7 is positioned on one side of the fiber separating wheel 6 and corresponds to the fiber separating wheel 6. The fiber conveying device 7 includes a support frame 70 and a chain conveyor 71, and the chain conveyor 71 is fixedly provided on the support frame 70. The conveying direction of the chain conveyor 71 and the axial direction of the defibration wheel 6 are parallel to each other, and the height of the chain conveyor 71 is lower than the height of the defibration wheel 6. The fiber separating wheel 6 is also called a flail wheel, and after the sisal fibers fall into the fiber separating wheel 6 from the conveying belt 52, the sisal fibers slowly move from right to left under the drive of the rotation of the fiber separating wheel 6 and are overturned and hung on the chain conveyor 71. The power of the fiber separating wheel 6 can be driven by an independent motor or can be obtained from the hemp clamping and conveying device 5 through a belt or a communication transmission mode.

On the basis of the prior art, the structure is optimized, and the hemp leaf conveying device 1 is arranged at the inlet of the hemp pressing device 2, so that the sisal hemp leaves can be conveniently conveyed, and the manual participation is reduced; the hemp clamping and conveying device 5 is arranged below the high-speed hemp scraping cutter ball 4, the hemp clamping and conveying device 5 comprises a first belt pulley 50, the first belt pulley 50 is rotatably arranged at the right lower part of the high-speed hemp scraping cutter ball 4, a second belt pulley 51 is rotatably arranged at the left lower part of the high-speed hemp scraping cutter ball 4, a conveying belt 52 is wound on the first belt pulley 50 and the second belt pulley 51, a fiber pressing roller 53 is rotatably arranged at the right lower part of the high-speed hemp scraping cutter ball 4 and is positioned at the left upper part of the first belt pulley 50, the fiber pressing roller 53 is mutually abutted with the conveying belt 52, and the conveying belt 52 is enabled to downwards form a bent radian, and the structure can roll the fiber pressing roller 53 scraped from the high-speed hemp scraping cutter ball 4 into the conveying belt 52 to scrape the rear end of sisal hemp. The whole device has the advantages of simple structure, low cost, convenient operation and wide popularization prospect.

Claims (9)

1. The utility model provides a sisal hemp scraper, includes high-speed flax scraper ball (4) and frame (8), its characterized in that:

the frame (8) is fixedly provided with a hemp leaf conveying device (1), a hemp pressing device (2), a guide unit (3), a high-speed hemp scraping knife ball (4), a hemp clamping conveying device (5), a fiber separating wheel (6) and a motor (9);

the hemp pressing device (2) is positioned on one side of the hemp leaf conveying device (1), the hemp leaf conveying device (1) is used for conveying hemp leaves onto the hemp pressing device (2), the hemp pressing device (2) is used for extruding the processed sisal hemp leaves, and the hemp pressing device (2) can press hemp paste and water in the sisal hemp leaves out;

the guide unit (3) is positioned at the other side of the hemp pressing device (2);

the guide unit (3) is positioned on one side of the high-speed hemp scraper ball (4); the guide unit (3) is matched with the high-speed sisal hemp scraping cutter ball (4) to scrape the extruded sisal hemp leaves;

the hemp clamping and conveying device (5) is positioned below the high-speed hemp scraping knife ball (4);

press from both sides numb conveyor (5) including first belt pulley (50), second belt pulley (51), conveyor belt (52) and fibre compression roller (53), first belt pulley (50) rotatable setting is in scrape the right side below of numb cutter ball (4) at a high speed, second belt pulley (51) rotatable setting is in scrape the left side below of numb cutter ball (4) at a high speed, around being equipped with above first belt pulley (50) and second belt pulley (51) conveyor belt (52), fibre compression roller (53) rotatable setting is in scrape the right side below of numb cutter ball (4) at a high speed and be located the upper left side of first belt pulley (50), this fibre compression roller (53) with conveyor belt (52) contradict each other to make conveyor belt (52) downwards form a crooked radian.

2. The sisal hemp scraper of claim 1, wherein:

the hemp leaf conveying device (1) is a belt conveyor.

3. The sisal hemp scraper of claim 1, wherein:

the ramie pressing device (2) is formed by refitting a roller type sugarcane press.

4. The sisal hemp scraper of claim 1, wherein:

the guide unit (3) comprises a lower guide roller (30), an upper guide roller (31), a knife plate (32) and a guide plate (33);

the lower guide roller (30) is rotatably arranged between the ramie pressing device (2) and the high-speed ramie scraping knife ball (4), the upper guide roller (31) is rotatably arranged on the lower guide roller (30), and the left side of the lower guide roller (30) is fixedly provided with the knife board (32);

the knife board (32) is an iron board which is arranged obliquely, and the height of one end of the lower guide roller (30) is higher than that of the other end of the high-speed hemp-scraping knife ball (4);

the lower part of the other end of the knife board (32) is fixedly provided with the guide board (33), the guide board (33) is of an arc structure, and the guide board is wrapped and arranged at the lower right side of the high-speed hemp scraping knife ball (4).

5. The sisal hemp scraper of claim 1, wherein:

the high-speed hemp scraping cutter ball (4) is a wheel with a cylindrical structure, a plurality of scrapers are fixedly arranged on the periphery of the wheel along the axial direction, the scrapers are made of iron plates, and arc chamfers are arranged on two sides of each scraper.

6. The sisal hemp scraper of claim 1, wherein:

the gap between the top of the fiber pressing roller (53) and the bottom of the high-speed hemp scraper ball (4) is 2-6 mm.

7. The sisal hemp scraper of claim 6, wherein:

the gap between the top of the fiber pressing roller (53) and the bottom of the high-speed hemp scraper ball (4) is 2 mm.

8. The sisal hemp scraper of claim 1, wherein:

and a fiber conveying device (7) is further arranged on one side of the rack (8), and the fiber conveying device (7) is positioned on one side of the fiber separating wheel (6) and corresponds to the fiber separating wheel (6).

9. The sisal hemp scraper of claim 8, wherein:

the fiber conveying device (7) comprises a supporting frame (70) and a chain conveyor (71), wherein the chain conveyor (71) is fixedly arranged on the supporting frame (70);

the conveying direction of the chain conveyor (71) and the axial direction of the fiber separating wheel (6) are parallel to each other, and the height of the chain conveyor (71) is lower than that of the fiber separating wheel (6).

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