WO2014174115A1 - Method and machine for obtaining fiber from leaves - Google Patents
Method and machine for obtaining fiber from leaves Download PDFInfo
- Publication number
- WO2014174115A1 WO2014174115A1 PCT/EP2014/058597 EP2014058597W WO2014174115A1 WO 2014174115 A1 WO2014174115 A1 WO 2014174115A1 EP 2014058597 W EP2014058597 W EP 2014058597W WO 2014174115 A1 WO2014174115 A1 WO 2014174115A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- leaves
- scraping
- machine
- fiber
- obtaining fiber
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
- D01B1/10—Separating vegetable fibres from stalks or leaves
- D01B1/14—Breaking or scutching, e.g. of flax; Decorticating
- D01B1/20—Breaking or scutching, e.g. of flax; Decorticating with scraping devices
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
- D01B1/10—Separating vegetable fibres from stalks or leaves
- D01B1/14—Breaking or scutching, e.g. of flax; Decorticating
- D01B1/30—Details of machines
- D01B1/34—Devices holding fibres or fibre-bearing materials during treatment
- D01B1/36—Conveying devices, e.g. moving bands or ropes
Definitions
- the present invention relates to a method and to a machine for obtaining fiber from leaves, particularly from the leaves of plant species belonging to the Musaceae, Agavaceae and Bromeliaceae families.
- Fibers from the leaves of plant species belonging to the Musaceae, Agavaceae and Bromeliaceae families, for example, banana tree fibers, are a completely natural organic material that is very useful today. For example, it has been found that blending organic material with polymers is a viable alternative for increasing plastic degradation capacity and reducing the environmental impact, being able to further improve the mechanical characteristics of the product.
- An example of said organic material that can be used as reinforcement is banana tree fiber.
- a drawback of using banana tree fiber for industrial purposes is the cost for obtaining same since the machinery used today for extracting banana tree fiber is semi-automated, which leads to low productivity affecting the costs of obtaining the fiber. Therefore, there is a need for a machine and a method which allows obtaining fiber from the leaves of plant species belonging to the Musaceae, Agavaceae and Bromeliaceae families in a manner that is as automated as possible, such that the productivity thereof is suitable for industrial application.
- the present invention relates to a method for obtaining fiber from leaves, characterized in that it comprises the steps of:
- said leaves are preferably curled, and the entry to the first and second scraping modules is performed laterally or transversely with respect to the scraping direction in a continuous manner.
- the present invention relates to a machine for obtaining fiber from leaves, characterized in that it comprises:
- said conveying means and holding means are chains provided with a plurality of complementary clamps, the separation between two complementary clamps being adjustable.
- Said clamps preferably comprise notching and are divided into sections in said chains, the ends of said sections being curved and complementary with the adjacent sections.
- said first scraping module comprises two sets of movable blades placed beside one another, and the distance and/or angle between said sets of blades is advantageously variable.
- said second scraping module comprises a curved surface, a thrust element pushing the leaves against said curved surface and a rotor provided with a plurality of blades, which blades scrape the leaves placed between the rotor and the curved surface, the separation between the rotor and the curved surface being advantageously variable.
- said cutting means comprise two polygonal rotating blades, cutting the fibers as they intersect one another; for example, said rotating blades can be hexagonal.
- said driving means preferably comprise moving belts, although they may comprise any means suitable for driving the clean fibers out of the machine.
- Figure 1 is a perspective view of the machine according to the present invention.
- Figure 2 is a schematic front view of one of the clamps of the machine according to the present invention, where the adjustable separation between two complementary clamps can be seen;
- Figure 3 is a schematic side view of two sections of clamps of the machine according to the present invention, where the curved ends of said sections can be seen;
- Figure 4 is a perspective view of the first scraping module of the machine according to the present invention
- Figure 5 is a side elevational view of the second scraping module of the machine according to the present invention
- Figure 6 is a schematic elevational view of the cutting means of the machine according to the present invention.
- Figure 7 is a plan view of the driving means of the machine according to the present invention.
- the leaves from which the fiber is obtained are leaves from plant species belonging to the Musaceae, Agavaceae and Bromeliaceae families, for example, banana (Musa paradisiaca), abaca (Musa textilis), sisal (/Agave sisalana), pineapple (Ananas comosus), curaua (Ananas erectifolius), etc.
- Figure 1 depicts a perspective view of the machine of the present invention comprising a pair of chains 1 provided with a plurality of complementary clamps 2. Said chains 1 convey the clamps 2 along the entire machine, and said clamps 2 hold the leaves 20 for passing them throughout the components of the machine that will be described below.
- Said clamps 2 are divided into sections and their separation with respect to the other complementary section is variable in order to adapt to the dimensions of the leaves 20, as can be seen in Figure 2. Furthermore, the sections forming said clamps have curved ends 3, such that their ends 3 are complementary with the ends of the adjacent sections, as can be seen in Figure 3.
- first scraping module generally indicated by means of reference number 4, where linear scraping is performed for the purpose of eliminating the curling of the leaves 20 by means of removing the concave layer, such that a flat leaf 20 is obtained.
- Said linear scraping is performed by means of two sets of moving blades 5, the leaves 20 being placed between said two sets of blades 5, such that linear scraping will be performed when said blades 5 move (by means of a motor 9). It must be indicated that the distance and/or angle between said sets of blades 5 are variable in order to adjust to the dimensions of the leaves 20.
- the entry to the first and second scraping modules 4, 10 is preferably performed laterally or transversely with respect to the scraping direction in a continuous manner.
- the distance and/or angle between said sets of blades 5 can be changed by means of three shafts 6, 7, 8.
- the leaves 20 are conveyed to a second scraping module, generally indicated by means of reference number 10, where rotational scraping is performed to remove residues and obtain clean fiber.
- Said rotational scraping module comprises a rotor 1 1 provided with a plurality of blades in its periphery. Said rotational scraping is performed against a curved surface 12 by means of the rotor 1 1 , the leaf 20 being placed between the rotor 1 1 and the curved surface 12. The leaf 20 is curled by means of a thrust element 13, pushing the leaf 20 against said curved surface 12.
- the rotor 1 1 is movable with respect to said curved surface 12, as depicted in Figure 5 by means of arrows, the distance between the rotor 1 1 and the curved surface 12 being able to be adjusted.
- the leaves 20 are moved to cutting means formed by polygonal, for example hexagonal, blades 14.
- the purpose of these hexagonal blades 14 is to separate clean fibers from the residue of the leaf 20 held by means of said clamps 2.
- driving means formed by belts 15 drive the clean fibers out of the machine, separating the clean fibers from the residues of the leaves 20.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
The present invention relates to a method and a machine for obtaining fiber from leaves. The method comprises the steps of conveying the leaves (20) by conveying means (1); holding said leaves (20) in said holding means (2); linearly scraping said leaves (20) to leave them flat in a first scraping module (4); rotationally scraping said leaves (20) for removing residues from said leaves (20) in a second scraping module (10); separating fiber from the rest of the leaves (20); and depositing said fiber and the leaves (20) for collection. The machine comprises conveying means (1) and holding means (2) for conveying and holding the leaves (20); a first scraping module (4); a second scraping module (10); cutting means (14); and driving means (15) for driving the fibers out of the machine. The invention allows obtaining fiber in an automated manner with the subsequent economic gain with respect to productivity.
Description
METHOD AND MACHINE FOR OBTAINING FIBER FROM LEAVES
The present invention relates to a method and to a machine for obtaining fiber from leaves, particularly from the leaves of plant species belonging to the Musaceae, Agavaceae and Bromeliaceae families.
Background of the Invention
Fibers from the leaves of plant species belonging to the Musaceae, Agavaceae and Bromeliaceae families, for example, banana tree fibers, are a completely natural organic material that is very useful today. For example, it has been found that blending organic material with polymers is a viable alternative for increasing plastic degradation capacity and reducing the environmental impact, being able to further improve the mechanical characteristics of the product.
An example of said organic material that can be used as reinforcement is banana tree fiber. A drawback of using banana tree fiber for industrial purposes is the cost for obtaining same since the machinery used today for extracting banana tree fiber is semi-automated, which leads to low productivity affecting the costs of obtaining the fiber. Therefore, there is a need for a machine and a method which allows obtaining fiber from the leaves of plant species belonging to the Musaceae, Agavaceae and Bromeliaceae families in a manner that is as automated as possible, such that the productivity thereof is suitable for industrial application.
Description of the Invention
The method and the machine of the invention solve the mentioned drawbacks, presenting other advantages that will be described below.
According to a first aspect, the present invention relates to a method
for obtaining fiber from leaves, characterized in that it comprises the steps of:
- conveying the leaves by conveying means;
- holding said leaves in said conveying means;
- linearly scraping said leaves to leave them flat;
- rotationally scraping said leaves for removing residues from said leaves;
- separating the fiber from the rest of the leaves; and
- depositing said fiber and the leaves for collection. Separating fiber from the rest of the leaf that remains as it is being held is advantageously performed by means of cutting.
Furthermore, to facilitate the entry of the leaves to a rotational scraping module, said leaves are preferably curled, and the entry to the first and second scraping modules is performed laterally or transversely with respect to the scraping direction in a continuous manner.
According to a second aspect, the present invention relates to a machine for obtaining fiber from leaves, characterized in that it comprises:
- conveying means and holding means for conveying and holding the leaves;
- a first scraping module where linear scraping of the leaves is performed;
- a second scraping module where rotational scraping of the leaves is performed; and
- cutting means where the separation of the fiber from said conveying means and holding means is performed; and
- driving means for driving the fibers out of the machine.
According to a preferred embodiment, said conveying means and holding means are chains provided with a plurality of complementary clamps, the separation between two complementary clamps being adjustable.
Said clamps preferably comprise notching and are divided into sections in said chains, the ends of said sections being curved and complementary with the adjacent sections.
According to a preferred embodiment, said first scraping module comprises two sets of movable blades placed beside one another, and the distance and/or angle between said sets of blades is advantageously variable.
According to a preferred embodiment, said second scraping module comprises a curved surface, a thrust element pushing the leaves against said curved surface and a rotor provided with a plurality of blades, which blades scrape the leaves placed between the rotor and the curved surface, the separation between the rotor and the curved surface being advantageously variable.
According to a preferred embodiment, said cutting means comprise two polygonal rotating blades, cutting the fibers as they intersect one another; for example, said rotating blades can be hexagonal.
Furthermore, said driving means preferably comprise moving belts, although they may comprise any means suitable for driving the clean fibers out of the machine.
The main advantage of being able to obtain fiber in an automated manner, with the subsequent economic gain with respect to productivity, is achieved with the method and the machine according to the present invention.
Brief Description of the Drawings
To better understand what has been described above, several drawings schematically depicting a practical embodiment only by way of non- limiting example are attached.
Figure 1 is a perspective view of the machine according to the present invention;
Figure 2 is a schematic front view of one of the clamps of the machine according to the present invention, where the adjustable separation between
two complementary clamps can be seen;
Figure 3 is a schematic side view of two sections of clamps of the machine according to the present invention, where the curved ends of said sections can be seen;
Figure 4 is a perspective view of the first scraping module of the machine according to the present invention; Figure 5 is a side elevational view of the second scraping module of the machine according to the present invention;
Figure 6 is a schematic elevational view of the cutting means of the machine according to the present invention; and
Figure 7 is a plan view of the driving means of the machine according to the present invention.
Description of a Preferred Embodiment
It must first be indicated that the leaves from which the fiber is obtained are leaves from plant species belonging to the Musaceae, Agavaceae and Bromeliaceae families, for example, banana (Musa paradisiaca), abaca (Musa textilis), sisal (/Agave sisalana), pineapple (Ananas comosus), curaua (Ananas erectifolius), etc.
Figure 1 depicts a perspective view of the machine of the present invention comprising a pair of chains 1 provided with a plurality of complementary clamps 2. Said chains 1 convey the clamps 2 along the entire machine, and said clamps 2 hold the leaves 20 for passing them throughout the components of the machine that will be described below.
Said clamps 2 are divided into sections and their separation with respect to the other complementary section is variable in order to adapt to the dimensions of the leaves 20, as can be seen in Figure 2. Furthermore, the sections forming said clamps have curved ends 3, such that their ends 3
are complementary with the ends of the adjacent sections, as can be seen in Figure 3.
Once the leaves 20 are held by means of the clamps 2, they are conveyed to a first scraping module, generally indicated by means of reference number 4, where linear scraping is performed for the purpose of eliminating the curling of the leaves 20 by means of removing the concave layer, such that a flat leaf 20 is obtained.
Said linear scraping is performed by means of two sets of moving blades 5, the leaves 20 being placed between said two sets of blades 5, such that linear scraping will be performed when said blades 5 move (by means of a motor 9). It must be indicated that the distance and/or angle between said sets of blades 5 are variable in order to adjust to the dimensions of the leaves 20.
The entry to the first and second scraping modules 4, 10 is preferably performed laterally or transversely with respect to the scraping direction in a continuous manner.
The distance and/or angle between said sets of blades 5 can be changed by means of three shafts 6, 7, 8.
Once said linear scraping has been performed, the leaves 20 are conveyed to a second scraping module, generally indicated by means of reference number 10, where rotational scraping is performed to remove residues and obtain clean fiber.
Said rotational scraping module comprises a rotor 1 1 provided with a plurality of blades in its periphery. Said rotational scraping is performed against a curved surface 12 by means of the rotor 1 1 , the leaf 20 being placed between the rotor 1 1 and the curved surface 12. The leaf 20 is curled by means of a thrust element 13, pushing the leaf 20 against said curved surface 12.
To achieve suitable rotational scraping, the rotor 1 1 is movable with
respect to said curved surface 12, as depicted in Figure 5 by means of arrows, the distance between the rotor 1 1 and the curved surface 12 being able to be adjusted.
Once rotational scraping has been performed, the leaves 20 are moved to cutting means formed by polygonal, for example hexagonal, blades 14. The purpose of these hexagonal blades 14 is to separate clean fibers from the residue of the leaf 20 held by means of said clamps 2.
Finally, driving means formed by belts 15 drive the clean fibers out of the machine, separating the clean fibers from the residues of the leaves 20.
Despite the fact that reference has been made to a specific embodiment of the invention, it is obvious for a person skilled in the art that the described method and machine are susceptible to a number of variations and modifications, and that all the mentioned details can be replaced with other technically equivalent details without departing from the scope of protection defined by the attached claims.
Claims
1 .- Method for obtaining fiber from leaves, characterized in that it comprises the steps of:
- conveying the leaves (20) by conveying means (1 );
- holding said leaves (20) in said holding means (2);
- linearly scraping said leaves (20) to leave them flat in a first scraping module (4);
- rotationally scraping said leaves (20) for removing residues from said leaves (20) in a second scraping module (10);
- separating the fiber from the rest of the leaves (20); and
- depositing said fiber and the leaves (20) for collection.
2.- Method for obtaining fiber from leaves according to claim 1 , wherein said separating fiber from the rest of the leaves (20) is performed by means of cutting.
3. - Method for obtaining fiber from leaves according to claim 1 , wherein said leaves (20) are curled before said rotational scraping.
4. - Method for obtaining fiber from leaves according to claim 1 , wherein the entry to the first and second scraping modules (4, 10) is performed laterally or transversely with respect to the scraping direction in a continuous manner.
5. - Machine for obtaining fiber from leaves, characterized in that it comprises: - conveying means (1 ) and holding means (2) for conveying and holding the leaves (20);
- a first scraping module (4) where linear scraping of the leaves (20) is performed;
- a second scraping module (10) where rotational scraping of the leaves (20) is performed;
- cutting means (14) where the separation of the fiber from said conveying
means (1 ) and holding means (2) is performed; and
- driving means (15) for driving the fibers out of the machine.
6. - Machine for obtaining fiber from leaves according to claim 5, wherein said conveying means and holding means are chains (1 ) provided with a plurality of clamps (2) complementary to one another.
7. - Machine for obtaining fiber from leaves according to claim 6, wherein the separation between two complementary clamps (2) is adjustable.
8. - Machine for obtaining fiber from leaves according to claim 6, wherein said clamps (2) are divided into sections in said chains (1 ), the ends (3) of said sections being curved and complementary with the adjacent sections.
9. - Machine for obtaining fiber from leaves according to claim 5, wherein said first scraping module (4) comprises two sets of movable blades (5) placed beside one another.
10. - Machine for obtaining fiber from leaves according to claim 9, wherein the distance and/or angle between said sets of blades (5) is variable.
1 1 . - Machine for obtaining fiber from leaves according to claim 5, wherein said second scraping module (10) comprises a curved surface (12), a thrust element (13) pushing the leaves (20) against said curved surface (12) and a rotor (1 1 ) provided with a plurality of blades, which blades scrape the leaves (20) placed between the rotor (1 1 ) and the curved surface (12).
12. - Machine for obtaining fiber from leaves according to claim 1 1 , wherein the separation between the rotor (1 1 ) and the curved surface (12) is variable.
13.- Machine for obtaining fiber from leaves according to claim 5, wherein said cutting means comprise two polygonal rotating blades (14), cutting the fibers as they intersect one another.
14. - Machine for obtaining fiber from leaves according to claim 13, wherein said rotating blades (14) are hexagonal.
15. - Machine for obtaining fiber from leaves according to claim 5, wherein said driving means comprise moving belts (15).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CR20150590A CR20150590A (en) | 2013-04-26 | 2015-10-26 | METHOD AND MACHINE FOR OBTAINING FIBERS FROM SHEETS |
| PH12015502464A PH12015502464B1 (en) | 2013-04-26 | 2015-10-26 | Method and machine for obtaining fiber from leaves |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201330611A ES2514215B1 (en) | 2013-04-26 | 2013-04-26 | PROCEDURE AND MACHINE FOR OBTAINING FIBER FROM SHEETS. |
| ESP201330611 | 2013-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014174115A1 true WO2014174115A1 (en) | 2014-10-30 |
Family
ID=50693642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2014/058597 WO2014174115A1 (en) | 2013-04-26 | 2014-04-28 | Method and machine for obtaining fiber from leaves |
Country Status (3)
| Country | Link |
|---|---|
| ES (1) | ES2514215B1 (en) |
| PH (1) | PH12015502464B1 (en) |
| WO (1) | WO2014174115A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191302284A (en) * | 1913-01-28 | 1914-01-28 | Thomas Critchley Barraclougip | Improvements in or relating to Decorticating Machines for Bast Stems, Reeds, Grasses, Fibrous Leaves and other Materials of a Kindred Nature. |
| GB128732A (en) * | 1918-06-26 | 1919-06-26 | Robert Bolton Ransford | Improvements in Machines for Extracting Fibre from the Leaves of Aloes and other Plants. |
| US1308267A (en) * | 1919-07-01 | Decorticating-machine | ||
| GB193202A (en) * | 1921-12-19 | 1923-02-22 | Herbert Frederick Freuler | Improvements in and relating to machines for decorticating fibrous materials |
| GB691751A (en) * | 1950-09-15 | 1953-05-20 | Willem Frederik Hendrik Zegers | Production and separation of fibres from bast fibre plants |
| US2759224A (en) * | 1950-06-21 | 1956-08-21 | W B Simons Ind Inc | Apparatus for extracting fibers from fiber-bearing plants |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2288652A (en) * | 1941-01-06 | 1942-07-07 | Walter B Simons | Decorticating machine |
| US2341290A (en) * | 1943-07-23 | 1944-02-08 | John S Reeves | Decorticating machine |
-
2013
- 2013-04-26 ES ES201330611A patent/ES2514215B1/en active Active
-
2014
- 2014-04-28 WO PCT/EP2014/058597 patent/WO2014174115A1/en active Application Filing
-
2015
- 2015-10-26 PH PH12015502464A patent/PH12015502464B1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1308267A (en) * | 1919-07-01 | Decorticating-machine | ||
| GB191302284A (en) * | 1913-01-28 | 1914-01-28 | Thomas Critchley Barraclougip | Improvements in or relating to Decorticating Machines for Bast Stems, Reeds, Grasses, Fibrous Leaves and other Materials of a Kindred Nature. |
| GB128732A (en) * | 1918-06-26 | 1919-06-26 | Robert Bolton Ransford | Improvements in Machines for Extracting Fibre from the Leaves of Aloes and other Plants. |
| GB193202A (en) * | 1921-12-19 | 1923-02-22 | Herbert Frederick Freuler | Improvements in and relating to machines for decorticating fibrous materials |
| US2759224A (en) * | 1950-06-21 | 1956-08-21 | W B Simons Ind Inc | Apparatus for extracting fibers from fiber-bearing plants |
| GB691751A (en) * | 1950-09-15 | 1953-05-20 | Willem Frederik Hendrik Zegers | Production and separation of fibres from bast fibre plants |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2514215B1 (en) | 2015-06-30 |
| PH12015502464A1 (en) | 2016-02-22 |
| PH12015502464B1 (en) | 2016-02-22 |
| ES2514215R1 (en) | 2014-12-26 |
| ES2514215A2 (en) | 2014-10-27 |
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