JP7027957B2 - Textile raw material recycling equipment - Google Patents

Description

The present invention relates to a fiber raw material recycling device.

In recent years, environmental awareness has increased, and in addition to reducing the amount of paper used in the workplace, we also recycle paper in the workplace and perform other reusable "reusable" printing on paper. Is required. As a device for recycling used used paper, a device is known in which the used paper is defibrated by a dry method to produce a defibrated product, and a new paper is produced from the defibrated product (see, for example, Patent Document 1). ). In the apparatus described in Patent Document 1, a defibrated product, a resin for binding the defibrated product, and a coloring material (coloring material) are mixed in a mixing section, and then the mixture is loosened with a drum to have a color. Paper can be manufactured.

Further, an apparatus having a plurality of drums for loosening a mixture is also known (see, for example, Patent Document 2).

Further, there is also known an apparatus capable of making the ratio of the coloring material different between the front side and the back side of the manufactured paper (see, for example, Patent Document 3).

Japanese Unexamined Patent Publication No. 2015-92032 U.S. Patent Application Publication No. 2006/0008621 Japanese Patent Application Laid-Open No. 2015-183321

However, in all of Patent Document 1, Patent Document 2, and Patent Document 3, when an attempt is made to change the color of a sheet in an apparatus, for example, the color change may cause a color mixture undesired by the user. Nothing is disclosed about reducing unwanted color mixing. Further, if a mixed color sheet that is not desired by the user is generated, there is a problem that the sheet manufactured by the sheet manufacturing apparatus is wasted.

An object of the present invention is to provide a fiber raw material recycling apparatus capable of reducing a color mixing that is not desired by a user when the selection of a coloring material is changed when changing the color of a sheet, and waste (spoilage) due to this color mixing. ..

The present invention has been made to solve at least a part of the above-mentioned problems, and can be realized as the following.

The fiber raw material recycling apparatus of the present invention includes at least one drum that introduces a material containing defibrated fibers into the inside and disperses it in the air.
A color material supply unit capable of supplying color materials of different colors to the inside of the drum, and
It is characterized by comprising a color material selection unit capable of selecting color materials having different colors from each other to be supplied from the color material supply unit to the inside of the drum.

Thereby, a desired color material can be selected by the color material selection unit. Then, the selected color material can be supplied to the drum independently of the material containing the defibrated fiber. Therefore, by reducing the color mixing that is not desired by the user, it is possible to prevent waste (spoilage) of the sheet.

The fiber raw material recycling apparatus of the present invention preferably includes a mixing unit that mixes the color materials of different colors selected by the color material selection unit.

As a result, when a plurality of coloring materials are selected by the coloring material selection unit, the defibrated material-containing material and each coloring material are supplied to the mixing unit. Then, in this mixing portion, the defibrated material-containing material and each coloring material can be uniformly mixed.

In the fiber raw material recycling apparatus of the present invention, the mixing section is arranged between the coloring material supply section and the drum, and the colors of different colors are different from each other before the coloring material is supplied to the drum. It is preferable that the materials are mixed with each other.

As a result, when a plurality of coloring materials are selected by the coloring material selection unit, the defibrated material-containing material and each coloring material are supplied to the mixing unit. Then, the defibrated material-containing material and each coloring material can be uniformly mixed in the mixing section at the earliest possible stage.

In the fiber raw material recycling apparatus of the present invention, it is preferable that the drum also serves as the mixing portion.

As a result, when a plurality of coloring materials are selected by the coloring material selection unit, the defibrated material-containing material and each coloring material are supplied to the drum, that is, the mixing unit. Then, by operating the drum, the defibrated material-containing material and each coloring material can be uniformly mixed in the drum while being loosened.

In the fiber raw material recycling apparatus of the present invention, the drum has a discharge unit for discharging the material, and a plurality of drums are arranged for each of the color materials of different colors supplied from the color material supply unit.
It is preferable that the mixing unit accommodates the plurality of drums, the coloring materials are discharged from the plurality of drums together with the materials, and the coloring materials having different colors are mixed with each other.

As a result, when a plurality of coloring materials are selected by the coloring material selection unit, the defibrated material-containing material and the selected coloring material are supplied to each drum. Then, the defibrated material-containing material and the coloring material in each drum are sufficiently loosened and discharged by the operation of the drum, and can be uniformly mixed with other coloring materials in the mixing portion.

In the fiber raw material recycling apparatus of the present invention, the coloring material supply unit has a flow path through which the coloring materials of different colors pass independently.
It is preferable that the color material selection unit is provided in each of the flow paths and has a switching unit for switching between the passage of the color material and the stop of the passage of the color material.

As a result, the sheet manufacturing apparatus can take a state in which the color material is supplied and a state in which the supply of the color material is stopped. As a result, in the color material supply state, a sheet having the selected color material is obtained, and in the supply stop state, a sheet in which this color material is omitted is obtained.

In the fiber raw material recycling apparatus of the present invention, it is preferable to include a removing portion for removing the residue in the drum.

As a result, even if the selected color material is changed, the color material before the change can be removed from the drum, so that the user can use the color material before the change and the color material after the change in the drum. Unwanted color mixing can be prevented. In addition, it is possible to prevent waste (spoilage) of the sheet due to this color mixing.

The fiber raw material recycling apparatus of the present invention preferably includes a web forming portion for forming a web using the material that has passed through the drum.

Thereby, it is possible to manufacture a colored sheet, that is, a colored sheet, based on the web.

FIG. 1 is a schematic side view showing a first embodiment when the fiber raw material recycling apparatus of the present invention is applied to a sheet manufacturing apparatus. FIG. 2 is a vertical cross-sectional view showing a dispersion portion included in the sheet manufacturing apparatus shown in FIG. 1 and its periphery thereof. FIG. 3 is a vertical cross-sectional view of the region [A] surrounded by the alternate long and short dash line in FIG. FIG. 4 is a vertical cross-sectional view showing a dispersion portion included in the sheet manufacturing apparatus shown in FIG. FIG. 5 is a block diagram of a main part of the sheet manufacturing apparatus shown in FIG. FIG. 6 is a schematic side view showing a dispersion portion and its periphery included in a sheet manufacturing apparatus (second embodiment) to which the fiber raw material recycling apparatus of the present invention is applied. FIG. 7 is a schematic side view showing a dispersion portion and its periphery included in a sheet manufacturing apparatus (third embodiment) to which the fiber raw material recycling apparatus of the present invention is applied. FIG. 8 is a schematic side view showing a dispersion portion and its periphery included in the sheet manufacturing apparatus (fourth embodiment) to which the fiber raw material recycling apparatus of the present invention is applied. FIG. 9 is a vertical cross-sectional view showing a configuration of a color material selection unit included in a sheet manufacturing apparatus (fifth embodiment) to which the fiber raw material recycling apparatus of the present invention is applied. FIG. 10 is a vertical cross-sectional view showing a configuration of a color material selection unit included in a sheet manufacturing apparatus (sixth embodiment) to which the fiber raw material recycling apparatus of the present invention is applied. FIG. 11 is a vertical cross-sectional view showing a configuration of a color material selection unit included in a sheet manufacturing apparatus (seventh embodiment) to which the fiber raw material recycling apparatus of the present invention is applied.

Hereinafter, the fiber raw material recycling apparatus of the present invention will be described in detail based on the preferred embodiments shown in the accompanying drawings.

<First Embodiment>
FIG. 1 is a schematic side view showing a first embodiment when the fiber raw material recycling apparatus of the present invention is applied to a sheet manufacturing apparatus. FIG. 2 is a vertical cross-sectional view showing a dispersion portion included in the sheet manufacturing apparatus shown in FIG. 1 and its periphery thereof. FIG. 3 is a vertical cross-sectional view of the region [A] surrounded by the alternate long and short dash line in FIG. FIG. 4 is a vertical cross-sectional view showing a dispersion portion included in the sheet manufacturing apparatus shown in FIG. FIG. 5 is a block diagram of a main part of the sheet manufacturing apparatus shown in FIG. In the following, for convenience of explanation, the upper side in FIGS. 1 to 4 (the same applies to FIGS. 6 to 11) is referred to as "upper" or "upper", and the lower side is referred to as "lower" or "lower". In the following, for convenience of explanation, as shown in FIG. 1, three axes orthogonal to each other are referred to as an x-axis, a y-axis, and a z-axis. Further, the xy plane including the x-axis and the y-axis is horizontal, and the z-axis is vertical. In addition, the direction in which the arrow in each direction points is called "positive", and the opposite direction is called "negative".

As shown in FIG. 1, the sheet manufacturing apparatus (fiber raw material recycling apparatus) 100 is an apparatus for manufacturing a sheet S. In this sheet manufacturing apparatus 100, at least one (mixture M7) containing a defibrated material (mixture M7) containing a defibrated product M3 obtained by defibrating paper, which is a raw material M1, is introduced into the inside and dispersed in the air to loosen it. In this embodiment, a dispersion unit 18 having a tubular drum unit (drum) 181 and a color material supply unit 3 capable of supplying a plurality of different color material CMs inside the drum unit (drum) 181 are provided. A color material selection unit 4 capable of selecting the supply of each color material CM from the color material supply unit 3 to the inside of the drum unit (drum) 181 is provided.

According to the present invention as described above, in the sheet manufacturing apparatus 100, a desired color material CM (for example, "color material CM (C)") can be selected by the color material selection unit 4. .. Then, the selected color material CM (C) is independently, that is, a state in which mixing with the color material CM of another color (color material CM (Y) or color material CM (M)) is reduced. Then, it can be supplied to the target portion (for example, the drum portion 181).

Further, even when the selection is changed to, for example, the color material CM (Y) instead of the color material CM (C) after the color material CM (C), the color material CM (Y) is used as the color material CM. It is possible to supply up to the drum portion 181 in a state where mixing with (C) and the coloring material CM (M) is prevented.

As described above, in the sheet manufacturing apparatus 100, the color mixing that is not desired by the user when the selection of the color material CM is changed (in the above case, the color material CM (Y) after selection and the color material CM (C) or the color material CM) Color mixing with CM (M)) can be reduced.

Further, when a color mixing undesired by the user occurs, the sheet S may be wasted (spoiled) in general, but the sheet manufacturing apparatus 100 prevents the color mixing undesired by the user as described above. With such a configuration, it is possible to prevent waste (spoilage) of the sheet S.

As shown in FIG. 1, the sheet manufacturing apparatus 100 is a mixture of a raw material supply unit 11, a coarse crushing unit 12, a defibration unit 13, a sorting unit 14, a first web forming unit 15, and a subdivision unit 16. Section 17, dispersion section 18, second web forming section 19, sheet forming section 20, cutting section 21, stock section 22, recovery section 27, coloring material supply section 3, and coloring material selection section 4. And have. Further, the sheet manufacturing apparatus 100 includes a humidifying unit 231, a humidifying unit 232, a humidifying unit 233, a humidifying unit 234, a humidifying unit 235, and a humidifying unit 236. In addition, the sheet manufacturing apparatus 100 includes a blower 261, a blower 262, and a blower 263.

Further, as shown in FIG. 5, each unit included in the sheet manufacturing apparatus 100 (for example, the drive unit 187 of the dispersion unit 18, the drive unit 194 of the second web forming unit 19, the drive unit 412 of the color material selection unit 4, etc.) , Is electrically connected to the control unit 28. The operation of each of these units is controlled by the control unit 28. The control unit 28 has a CPU (Central Processing Unit) 281 and a storage unit 282. The CPU 281 can make various judgments, various commands, and the like, for example. The storage unit 282 stores various programs such as a program for manufacturing the sheet S, for example. Further, the control unit 28 may be built in the seat manufacturing apparatus 100, or may be provided in an external device such as an external computer. Further, the external device may be, for example, communicated with the sheet manufacturing apparatus 100 via a cable or the like, may be wirelessly communicated, may be connected to the sheet manufacturing apparatus 100 via a network (for example, the Internet), or the like. .. Further, the CPU 281 and the storage unit 282 may be integrated into one unit, for example, or the CPU 281 is built in the sheet manufacturing apparatus 100 and the storage unit 282 is an external device such as an external computer. The storage unit 282 may be built in the sheet manufacturing apparatus 100, and the CPU 281 may be provided in an external device such as an external computer.

Further, in the sheet manufacturing apparatus 100, a raw material supply step, a coarse crushing step, a defibration step, a sorting step, a first web forming step, a dividing step, a mixing step, a loosening step, and a second web forming are performed. The process, the sheet forming process, and the cutting process are executed in this order. Further, in the sheet manufacturing apparatus 100, the color material supply step can also be executed.

Hereinafter, the configuration of each part will be described.
The raw material supply unit 11 is a unit that performs a raw material supply step of supplying the raw material M1 to the coarsely crushed unit 12. The raw material M1 is a sheet-like material containing fibers (cellulose fibers). The cellulose fiber may be a fiber containing cellulose as a compound (cellulose in a narrow sense) as a main component, and may contain hemicellulose or lignin in addition to cellulose (cellulose in a narrow sense). good. Further, the raw material M1 may be in any form such as a woven fabric or a non-woven fabric. Further, the raw material M1 may be, for example, paper, recycled paper produced by defibrating used paper (recycled), or synthetic paper YUPO paper (registered trademark).

The coarse crushing unit 12 is a portion that performs a crushing step of coarsely crushing the raw material M1 supplied from the raw material supply unit 11 in the air (in the air) or the like. The crushing portion 12 has a pair of crushing blades 121 and a chute (hopper) 122.

By rotating the pair of coarse crushing blades 121 in opposite directions, the raw material M1 can be coarsely crushed between them, that is, cut into coarse crushed pieces M2. The shape and size of the coarsely crushed piece M2 are preferably suitable for the defibration treatment in the defibration portion 13, for example, a small piece having a side length of 100 mm or less, and a small piece of 10 mm or more and 70 mm or less. Is more preferable.

The chute 122 is arranged below the pair of coarse crushing blades 121 and has a funnel shape, for example. As a result, the chute 122 can receive the coarsely crushed pieces M2 that have been coarsely crushed by the coarsely crushed blade 121 and have fallen.

Further, above the chute 122, a humidifying portion 231 is arranged adjacent to the pair of coarse crushing blades 121. The humidifying section 231 humidifies the coarsely crushed pieces M2 in the chute 122. The humidifying unit 231 has a filter (not shown) containing moisture, and by passing air through the filter, a vaporization type (or warm air vaporization type) that supplies humidified air with increased humidity to the coarse crushed piece M2. It consists of a humidifier. By supplying the humidified air to the coarse crushed pieces M2, it is possible to prevent the coarse crushed pieces M2 from adhering to the chute 122 or the like due to static electricity.

The chute 122 is connected to the defibration portion 13 via a tube (flow path) 241. The coarsely crushed pieces M2 collected in the chute 122 pass through the tube 241 and are conveyed to the defibration section 13.

The defibration section 13 is a portion for performing a defibration step of defibrating the coarsely crushed piece M2 in the air, that is, by a dry method. By the defibration treatment in the defibration section 13, the defibrated product M3 can be produced from the coarsely crushed pieces M2. Here, "defibrating" means unraveling the coarsely crushed piece M2, which is formed by binding a plurality of fibers, into individual fibers. Then, this unraveled product becomes the defibrated product M3. The shape of the defibrated product M3 is linear or strip-shaped. Further, the defibrated products M3 may exist in a state of being intertwined and agglomerated, that is, in a state of forming a so-called "lump".

For example, in the present embodiment, the defibration portion 13 is composed of an impeller mill having a rotor that rotates at high speed and a liner located on the outer periphery of the rotor. The coarsely crushed piece M2 that has flowed into the defibration portion 13 is sandwiched between the rotor and the liner and defibrated.

Further, the defibration section 13 can generate an air flow (air flow) from the coarse crushing section 12 to the sorting section 14 by rotating the rotor. As a result, the coarsely crushed piece M2 can be sucked from the tube 241 to the defibration portion 13. Further, after the defibration treatment, the defibrated product M3 can be sent out to the sorting unit 14 via the tube (flow path) 242.

A blower 261 is installed in the middle of the pipe 242. The blower 261 is an airflow generator that generates an airflow toward the sorting unit 14. This promotes the delivery of the defibrated product M3 to the sorting unit 14.

The sorting unit 14 is a part that performs a sorting step of sorting the defibrated product M3 according to the size of the fiber length. In the sorting unit 14, the defibrated product M3 is sorted into a first sorted product M4-1 and a second sorted product M4-2 which is larger than the first sorted product M4-1. The first sorted product M4-1 has a size suitable for the subsequent production of the sheet S. The average length is preferably 100 μm or more and 10 mm or less. On the other hand, the second selected product M4-2 includes, for example, those with insufficient defibration, those in which the defibrated fibers are excessively aggregated, and the like.

The sorting unit 14 has a drum unit 141 and a housing unit 142 for accommodating the drum unit 141.

The drum portion 141 is a sieve formed of a cylindrical net body and rotates around the central axis thereof. The defibrated product M3 flows into the drum portion 141. Then, by rotating the drum portion 141, the defibrated product M3 smaller than the mesh opening is sorted as the first sorted product M4-1, and the defibrated product M3 having a size larger than the mesh opening is It is sorted as a second sort product M4-2. The shape of the drum portion 141 is not limited to a cylinder, and may be a polygonal cylinder such as a triangle, a quadrangle, a hexagon, or an octagon.
The first sorted object M4-1 falls from the drum portion 141.

On the other hand, the second sorter M4-2 is sent out to the pipe (flow path) 243 connected to the drum portion 141. The side (downstream side) of the pipe 243 opposite to the drum portion 141 is connected to the pipe 241. The second sorted product M4-2 that has passed through the pipe 243 merges with the coarse crushed piece M2 in the pipe 241 and flows into the defibration portion 13 together with the coarse crushed piece M2. As a result, the second sorted product M4-2 is returned to the defibration section 13 and defibrated together with the coarsely crushed piece M2.

Further, the first sorted product M4-1 from the drum portion 141 falls while being dispersed in the air, and heads toward the first web forming portion (separation portion) 15 located below the drum portion 141. The first web forming unit 15 is a part that performs the first web forming step of forming the first web M5 from the first selected product M4-1. The first web forming portion 15 has a mesh belt (separation belt) 151, three tension rollers 152, and a suction portion (suction mechanism) 153.

The mesh belt 151 is an endless belt on which the first sort product M4-1 is deposited. The mesh belt 151 is hung around three tension rollers 152. Then, the first sorter M4-1 on the mesh belt 151 is conveyed to the downstream side by the rotational drive of the tension roller 152.

The size of the first sorted product M4-1 is larger than the opening of the mesh belt 151. As a result, the first sorted product M4-1 is restricted from passing through the mesh belt 151, and thus can be deposited on the mesh belt 151. Further, since the first sorted product M4-1 is conveyed to the downstream side together with the mesh belt 151 while being deposited on the mesh belt 151, it is formed as a layered first web M5.

In addition, dust, dust, and the like may be mixed in the first sorted product M4-1. Dust and dust can be produced, for example, by coarse crushing and defibration. Then, such dust and dirt will be collected by the collection unit 27, which will be described later.

The suction unit 153 can suck air from below the mesh belt 151. As a result, the dust and the dust that have passed through the mesh belt 151 can be sucked together with the air.

Further, the suction unit 153 is connected to the collection unit 27 via a pipe (flow path) 244. The dust and dirt sucked by the suction unit 153 are collected by the collection unit 27.

A pipe (flow path) 245 is further connected to the recovery unit 27. Further, a blower 262 is installed in the middle of the pipe 245. By operating the blower 262, a suction force can be generated at the suction unit 153. This promotes the formation of the first web M5 on the mesh belt 151. The first web M5 has dust, dust, and the like removed. Further, the dust and the dust pass through the pipe 244 and reach the recovery unit 27 by the operation of the blower 262.

The housing portion 142 is connected to the humidifying portion 232. The humidifying section 232 is composed of a vaporization type humidifier similar to the humidifying section 231. As a result, humidified air is supplied to the inside of the housing portion 142. The humidified air can humidify the first sorted product M4-1, and thus can prevent the first sorted product M4-1 from adhering to the inner wall of the housing portion 142 due to electrostatic force.

A humidifying section 235 is arranged on the downstream side of the sorting section 14. The humidifying section 235 is composed of an ultrasonic humidifier that sprays water. As a result, water can be supplied to the first web M5, and thus the amount of water in the first web M5 is adjusted. By this adjustment, it is possible to suppress the adsorption of the first web M5 to the mesh belt 151 due to the electrostatic force. As a result, the first web M5 is easily peeled off from the mesh belt 151 at the position where the mesh belt 151 is folded back by the tension roller 152.

A subdivision portion 16 is arranged on the downstream side of the humidifying portion 235. The subdivided portion 16 is a portion for performing a dividing step for dividing the first web M5 peeled from the mesh belt 151. The subdivision portion 16 has a propeller 161 rotatably supported and a housing portion 162 for accommodating the propeller 161. Then, the first web M5 can be divided by the rotating propeller 161. The divided first web M5 becomes a subdivision M6. Further, the subdivided body M6 descends in the housing portion 162.

The housing portion 162 is connected to the humidifying portion 233. The humidifying section 233 is composed of a vaporization type humidifier similar to the humidifying section 231. As a result, humidified air is supplied into the housing portion 162. This humidified air can also prevent the subdivision M6 from adhering to the inner wall of the propeller 161 or the housing portion 162 due to electrostatic force.

A mixing portion 17 is arranged on the downstream side of the subdivision portion 16. The mixing unit 17 is a portion for performing a mixing step of mixing the fragment M6 and the resin P1. The mixing unit 17 has a resin supply unit 171, a pipe (first flow path) 172, and a blower 173.

The pipe 172 connects the subdivision portion 16 and the dispersion portion 18, and is a flow path through which the mixture M7 of the subdivision M6 and the resin P1 passes.

A resin supply unit 171 is connected in the middle of the pipe 172. The resin supply unit 171 has a screw feeder 174. By rotationally driving the screw feeder 174, the resin P1 can be supplied to the pipe 172 as powder or particles. The resin P1 supplied to the tube 172 is mixed with the fragment M6 to form a mixture M7.

The resin P1 binds fibers to each other in a later step. For example, a thermoplastic resin, a curable resin, or the like can be used, but it is preferable to use a thermoplastic resin. Examples of the thermoplastic resin include AS resin, ABS resin, polyethylene, polypropylene, polyolefin such as ethylene-vinyl acetate copolymer (EVA), modified polyolefin, acrylic resin such as polymethylmethacrylate, polyvinyl chloride, polystyrene and polyethylene. Polyester such as terephthalate and polybutylene terephthalate, polyamide (nylon) such as nylon 6, nylon 46, nylon 66, nylon 610, nylon 612, nylon 11, nylon 12, nylon 6-12 and nylon 6-66, polyphenylene ether, polyacetal. , Polyether, Polyphenylene oxide, Polyether ether ketone, Polycarbonate, Polyphenylene sulfide, Thermoplastic polyimide, Polyetherimide, Liquid crystal polymers such as aromatic polyester, styrene-based, Polyethylene-based, Polyvinyl chloride-based, Polyethylene-based, Polyester-based, Examples thereof include various thermoplastic elastomers such as polyamide-based, polybutadiene-based, transpolyisoprene-based, fluororubber-based, and chlorinated polyethylene-based, and one or a combination of two or more selected from these can be used. Preferably, as the thermoplastic resin, polyester or a resin containing the same is used.

In addition to the resin P1, the resin supply unit 171 includes, for example, an agglutination inhibitor for suppressing the aggregation of fibers and the aggregation of the resin P1, and a flame retardant for making the fibers and the like hard to burn. A paper strength enhancer or the like for enhancing the paper strength of the sheet S may be contained. Alternatively, a resin P1 containing (composite) them in advance may be supplied from the resin supply unit 171.

Further, in the middle of the pipe 172, a blower 173 is installed on the downstream side of the resin supply unit 171. The subdivision M6 and the resin P1 are mixed by the action of the rotating portion such as a blade of the blower 173. Further, the blower 173 can generate an air flow toward the dispersion portion 18. By this air flow, the subdivision M6 and the resin P1 can be agitated in the pipe 172. As a result, the mixture M7 can flow into the dispersion portion 18 in a state where the subdivision M6 and the resin P1 are uniformly dispersed. Further, the fragment M6 in the mixture M7 is loosened in the process of passing through the tube 172 to become a finer fibrous form.

Further, in the sheet manufacturing apparatus 100, the resin P is configured to be supplied from the resin supply unit 171 but is not limited to this. For example, the resin P may be stored in advance in the storage unit 31 described later, and may be supplied to the drum unit 181 through the flow path (second flow path) 32 together with the coloring material CM. Further, when the supply from the resin supply unit 171 is stopped, the resin contained in the coloring material CM may be substituted as the resin P.

The dispersion portion 18 is a portion for performing a step of depositing the mixture M7 on the mesh belt 191 (separation belt). The dispersion portion 18 has a drum portion 181 and a housing portion 182 for accommodating the drum portion 181.

The drum portion 181 is a sieve formed of a cylindrical net body and rotates around its central axis _O181 . The mixture M7 flows into the drum portion 181. Then, as the drum portion 181 rotates, the fibers or the like of the mixture M7, which are smaller than the mesh size of the mesh, can pass through the drum portion 181. At that time, the mixture M7 will be loosened.

The drum portion 181 may be rotated in one direction around the central axis O ₁₈₁ or may be alternately rotated (swinged) in the opposite direction around the central axis O ₁₈₁ , or a combination of these may be rotated. It may be the one that performs. Further, the drum portion 181 is not limited to the one that rotates, and may be, for example, reciprocating along the direction of the central axis O ₁₈₁ or the direction intersecting the central axis O ₁₈₁ or from the central axis O ₁₈₁ . It may swing around a separated position.

Then, the mixture M7 loosened by the drum portion 181 falls while being dispersed in the air, and heads toward the second web forming portion 19 located below the drum portion 181. The second web forming unit 19 is a part that performs a second web forming step of forming the second web M8 from the mixture M7. The second web forming portion 19 has a mesh belt (separation belt) 191, a tension roller 192, and a suction portion (suction mechanism) 193.

The mesh belt 191 is an endless belt on which the mixture M7 is deposited. The mesh belt 191 is hung around four tension rollers 192. Then, the mixture M7 on the mesh belt 191 is conveyed to the downstream side by the rotational drive of the tension roller 192.

Further, most of the mixture M7 on the mesh belt 191 is larger than the opening of the mesh belt 191. This restricts the mixture M7 from passing through the mesh belt 191 and thus can be deposited on the mesh belt 191. Further, since the mixture M7 is conveyed to the downstream side together with the mesh belt 191 while being deposited on the mesh belt 191, it is formed as a layered second web M8.

Further, the tension roller 192 is connected to a drive unit 194 having a drive source such as a motor, a transmission and the like, and can be rotated at a predetermined rotation speed by the operation of the drive unit 194. The operation of the drive unit 194 is controlled by the control unit 28 (see FIG. 5), and for example, the rotation speed of the tension roller 192 can be made variable (set in multiple stages).

The suction unit 193 can suck air from below the mesh belt 191. This allows the mixture M7 to be sucked onto the mesh belt 191 and thus facilitates the deposition of the mixture M7 on the mesh belt 191.

A pipe (flow path) 246 is connected to the suction unit 193. Further, a blower 263 is installed in the middle of the pipe 246. By operating the blower 263, a suction force can be generated at the suction unit 193.

The housing portion 182 is connected to the humidifying portion 234. The humidifying section 234 is composed of a vaporization type humidifier similar to the humidifying section 231. As a result, humidified air is supplied into the housing portion 182. The humidified air can humidify the inside of the housing portion 182, and thus can prevent the mixture M7 from adhering to the inner wall of the housing portion 182 by electrostatic force.

A humidifying section 236 is arranged on the downstream side of the dispersion section 18. The humidifying section 236 is composed of an ultrasonic humidifier similar to the humidifying section 235. As a result, water can be supplied to the second web M8, and thus the amount of water in the second web M8 is adjusted. By this adjustment, it is possible to suppress the adsorption of the second web M8 to the mesh belt 191 due to the electrostatic force. As a result, the second web M8 is easily peeled off from the mesh belt 191 at the position where the mesh belt 191 is folded back by the tension roller 192.

The amount of water (total water content) added to the humidifying section 231 to the humidifying section 236 is preferably 0.5 parts by mass or more and 20 parts by mass or less with respect to 100 parts by mass of the material before humidification.

A sheet forming portion 20 is arranged on the downstream side of the second web forming portion 19. The sheet forming portion 20 is a portion that performs a sheet forming step of forming the sheet S from the second web M8. The sheet forming portion 20 has a pressurizing portion 201 and a heating portion 202.

The pressurizing unit 201 has a pair of calendar rollers 203, and can pressurize the second web M8 between the calendar rollers 203 without heating (without melting the resin P1). This increases the density of the second web M8. Then, the second web M8 is conveyed toward the heating unit 202. One of the pair of calendar rollers 203 is a driven roller driven by the operation of a motor (not shown), and the other is a driven roller.

The heating unit 202 has a pair of heating rollers 204, and can pressurize the second web M8 while heating the second web M8 between the heating rollers 204. By this heating and pressurizing, the resin P1 is melted in the second web M8, and the fibers are bound to each other via the melted resin P1. As a result, the sheet S is formed. Then, this sheet S is conveyed toward the cutting portion 21. One of the pair of heating rollers 204 is a main roller driven by the operation of a motor (not shown), and the other is a driven roller.

A cutting portion 21 is arranged on the downstream side of the sheet forming portion 20. The cutting portion 21 is a portion for performing a cutting step for cutting the sheet S. The cutting portion 21 has a first cutter 211 and a second cutter 212.

The first cutter 211 cuts the sheet S in a direction intersecting the transport direction of the sheet S.

The second cutter 212 cuts the sheet S in a direction parallel to the transport direction of the sheet S on the downstream side of the first cutter 211.

By cutting the first cutter 211 and the second cutter 212 in this way, a sheet S having a desired size can be obtained. Then, this sheet S is further transported to the downstream side and accumulated in the stock portion 22.

By the way, the sheet manufacturing apparatus 100 is configured to be capable of manufacturing a colored, that is, colored sheet S. Hereinafter, this configuration and operation will be described.

As described above, the dispersion unit 18 is used to loosen the mixture M7, which is a mixture of the fragment M6 (defibration product M3) and the resin P1. As a result, the mixture M7 is uniformly in the air, that is, the state of being entangled and agglomerated is eliminated, and the mixture M7 falls while being dispersed and is deposited on the mesh belt 191 of the second web forming portion 19. ..

Further, as described above, the dispersion portion 18 includes a drum portion 181 and a housing portion 182 for accommodating the drum portion 181.

As shown in FIGS. 2 and 4, the drum portion 181 is formed of a cylindrical body. A storage space for temporarily storing the mixture M7 is formed inside (inside) the drum portion 181.

Further, the drum unit 181 is connected to a drive unit 187 having a drive source such as a motor, a transmission, etc., and by the operation of the drive unit 187, the drum unit 181 is rotated at a predetermined rotation speed around the central axis O181 of the drum unit ₁₈₁ . Can rotate. The operation of the drive unit 187 is controlled by the control unit 28 (see FIG. 5), and for example, the rotation speed of the drum unit 181 can be made variable (set in multiple stages).

As shown in FIG. 2, the drum portion 181 is formed with a plurality of openings 181a penetrating the cylindrical wall portion in the middle of the direction of the central axis _O181 . Each opening 181a is open to the outer peripheral portion of the drum portion 181. Then, when the drum portion ₁₈₁ rotates around the central axis O181, the mixture M7 in the drum portion ₁₈₁ is provided from the opening 181a located below the height of the central axis O181 among the plurality of openings 181a. Can pass downwards. The mixture M7 rotates together with the drum portion 181 in the drum portion 181 and passes through the opening 181a so that the mixture M7 is smoothly loosened without excess or deficiency.

The shape of the opening 181a in a plan view is not particularly limited, and is preferably circular, elliptical, oval, polygonal, or the like. The size of the opening 181a in a plan view is not particularly limited. For example, when the opening 181a is circular, the diameter is preferably 0.5 mm or more and 5 mm or less, and 1 mm or more and 3 mm or less. Is more preferable. The method for forming the opening 181a is not particularly limited, and for example, a method by machining such as punching can be used. Further, among the machining, a method by laser machining or etching can also be used. Further, a resin net, a wire net, or an expanded metal can be used as the drum portion 181.

Further, inflow ports 183 into which the mixture M7 flows are connected to both ends of the drum portion 181. Each inflow port 183 is, for example, annular, cylindrical or tubular and is inserted inside each end of the drum portion 181. Further, each inflow port 183 communicates with the pipe 172 on the downstream side. As a result, the mixture M7 that has passed through the pipe 172 can flow into the drum portion 181 through each inflow port 183.

Further, the lower side of the housing portion 182 that houses the drum portion 181 is open toward the mesh belt 191. As a result, the mixture M7 that has passed through the opening 181a of the drum portion 181 can fall onto the mesh belt 191 and be deposited.

As shown in FIG. 2, a second web forming portion 19 (deposited portion) is provided on the lower side (outer peripheral side) of the drum portion 181. The second web forming portion 19 is a portion where the mixture M7 that has passed through the opening 181a of the drum portion 181 is deposited. Then, the mixture M7 as a deposit deposited on the second web forming portion 19 becomes a layered second web M8.

As described above, the second web forming unit 19 includes a mesh belt 191 on which the second web M8 is deposited and conveys the second web M8. The mesh belt 191 has a plurality of through holes 191a formed through the mesh belt 191 in the thickness direction thereof. The shape of the through hole 191a in a plan view is not particularly limited, and is preferably circular, elliptical, oval, polygonal, or the like. The size of the through hole 191a in a plan view is not particularly limited. For example, when the through hole 191a is circular, the diameter is preferably 0.02 mm or more and 2 mm or less, and 0.05 mm or more and 1 mm or less. Is more preferable. When the through hole 191a is circular, the diameter is preferably 0.5 mm or more and 5 mm or less, and more preferably 2 mm or more and 3 mm or less. Further, the method for forming the through hole 191a is not particularly limited, and for example, a method by machining such as punching can be used. Further, among the machining, a method by laser machining or etching can also be used. Further, as the mesh belt 191, a resin net, a wire net, or an expanded metal can be used.

As shown in FIGS. 1 and 2, the color material supply unit 3 is arranged on the upstream side of the drum unit 181 of the dispersion unit 18. The color material supply unit 3 is a unit that performs a color material supply step of supplying the color material CM selected by the color material selection unit 4 to the drum unit 181 of the dispersion unit 18.

There are a plurality of different color material CMs, and in the present embodiment, at least three types of color material CMs having different colors are mentioned as an example. Each of these three types of color material CM is a chromatic pigment, and is, for example, cyan (C), yellow (Y), and magenta (M). In the following, the cyan color material CM is referred to as "color material CM (C)", the yellow color material CM is referred to as "color material CM (Y)", and the magenta color material CM is referred to as "color material CM (M)". There is. The color of each color material CM is not limited to cyan, yellow, and magenta.

As shown in FIG. 2, the color material supply unit 3 includes a storage unit 31 for independently storing the color material CM (C), the color material CM (Y), and the color material CM (M), and each storage unit 31. It has a flow path 32 connected to. Since each storage unit 31 and each flow path 32 have the same configuration except that the color material CM supplied to the drum unit 181 is different, they are connected to one storage unit 31 and the storage unit 31 below. The flow path 32 and the flow path 32 will be typically described.

As shown in FIG. 3, the storage unit 31 is composed of a hollow body having a storage space 311 for storing the color material CM inside. The storage unit 31 is detachably loaded into the loading unit 33 provided in the sheet manufacturing apparatus 100. Then, in this loaded state, the storage space 311 of the storage unit 31 communicates with the flow path 32. As a result, the color material CM can flow into the flow path 32.

The storage unit 31 is preferably a cartridge. As a result, when the storage unit 31 becomes empty, that is, when the color material CM is used up, it can be replaced with a new storage unit 31. Further, in the sheet manufacturing apparatus 100, the remaining amount of the coloring material CM in the storage unit 31 is detected by the remaining amount detecting unit (not shown).

As shown in FIG. 2, the flow path 32 is connected to the storage unit 31 on the upstream side thereof and to the inflow port 183 of the dispersion unit 18 on the downstream side. As a result, the color material CM can pass through the flow path 32 independently from the storage unit 31 to the inflow port 183, that is, in a state where mixing with other color material CM is prevented.

The flow path 32 is composed of, for example, a pipe 321. The pipe 321 has a branch pipe 323 and a branch pipe 324 branched into two through the branch portion 322. Then, the branch pipe 323 can be connected to one of the inflow ports 183 of the two inflow ports 183, and the branch pipe 324 can be connected to the other inflow port 183. As a result, the storage unit 31 and each inflow port 183 communicate with each other via the flow path 32. Then, in the drum portion 181 the mixture M7 and the coloring material CM can be merged, whereby the mixture M7'containing the mixture M7 and the coloring material CM is generated.

The color material selection unit 4 selectively supplies each color material CM from the color material supply unit 3 to the drum unit 181.

As described above, the color material supply unit 3 has a flow path 32 through which the color material CMs of different colors pass independently. As shown in FIG. 2, the color material selection unit 4 is provided in each flow path 32 and has a switching unit 41 for switching between the passage of the color material CM and the stop of the passage. As a result, the sheet manufacturing apparatus 100 can take a state in which the color material CM is supplied and a state in which the supply of the color material CM is stopped. As a result, in the color material supply state, the sheet S having the selected color material CM is obtained, and in the supply stop state, the sheet S in which the color material CM is omitted is obtained.

As shown in FIG. 3, the switching unit 41 is a screw feeder and has a screw 411 inserted concentrically in the flow path 32 (tube 321) and a drive unit 412 for rotationally driving the screw 411. There is.

By rotating the screw 411, the color material CM can be pulled out from the storage unit 31 and pushed out as it is toward the downstream side. As a result, the color material CM can pass through the flow path 32 and reach the drum portion 181. Further, when the rotation of the screw 411 is stopped, the extrusion of the color material CM is also stopped.

The drive unit 412 is composed of, for example, a motor or the like. Further, as shown in FIG. 5, the drive unit 412 is electrically connected to the control unit 28. As a result, the operation of the drive unit 412 is controlled by the control unit 28, so that the rotation speed of the screw 411 can be made variable. The supply amount and supply speed of the coloring material CM can be adjusted by adjusting the rotation speed of the screw 411, and thus, for example, a sheet S having a desired shade of color can be obtained. The operation information of the drive unit 412 is input and stored in advance in the control unit 28 via an input unit such as a keyboard or a touch panel (not shown).

The color material CM can be selectively supplied by the color material selection unit 4 having the above configuration. As a result, any one of the color material CM (C), the color material CM (Y), and the color material CM (M) can be supplied to the drum unit 181 independently, or the color material CM (C) and the color material CM (C) can be used. At least two color material CMs of the material CM (Y) and the color material CM (M) can be combined and supplied to the drum portion 181. Further, when the color material CMs are combined with each other, the mixing ratio of each color material CM can be adjusted by changing the rotation speed of the screw 411.

The switching unit 41 is not limited to the screw feeder, and may have, for example, a belt transport mechanism.

As shown in FIG. 2, the sheet manufacturing apparatus 100 includes a mixing unit 5 selected by the color material selection unit 4 and mixing color material CMs having different colors from each other. In the present embodiment, the drum unit (drum) 181 also serves as the mixing unit 5.

When a plurality of color material CMs are selected by the color material selection unit 4, the mixture M7 and each color material CM are supplied as the mixture M7'to the drum unit 181, that is, the mixing unit 5. Then, by rotating the drum portion 181 around the central axis O ₁₈₁ so that the mixture M7 and each color material CM can be uniformly mixed in the drum portion 181 while being loosened.

Further, as shown in FIG. 2, the drum portion (drum) 181 has a plurality of openings 181a as discharge portions for discharging the color material CM together with the mixture M7 (material containing a defibrated product).

The sheet manufacturing apparatus 100 uses the mixture M7 (material containing a defibrated product) that has been unraveled (unraveled) and passed through the dispersion unit 18 to form the second web M8 (web). Web forming unit) is provided. Specifically, the sheet manufacturing apparatus 100 is arranged on the downstream side of the drum portion (drum) 181 and is discharged through the opening 181a (discharging portion) of the mixture M7 (material containing defibrated material) and each coloring material CM. The second web forming section 19 (web forming section) for forming the second web M8 (web) is provided by, that is, by the mixture M7'. Thereby, based on the second web M8, it is possible to manufacture a sheet S having a color in which the colors of each color material CM are mixed, that is, a color sheet S. Further, by adjusting the mixing ratio of each color material CM as described above, it is possible to manufacture the sheet S having a rich gradation even if the colors are the same. Further, when any one of the color material CM (C), the color material CM (Y), and the color material CM (M) is supplied to the drum unit 181 by itself, a single color of cyan, yellow, or magenta is used. Sheet S can also be manufactured. In this way, the sheet manufacturing apparatus 100 can manufacture the sheet S having a desired color. Further, the sheet manufacturing apparatus 100 can also manufacture the sheet S in which the color is omitted if the supply of the coloring material CM is stopped.

In the sheet manufacturing apparatus 100 having the above configuration, a desired color material CM (for example, referred to as “color material CM (C)”) can be selected by the color material selection unit 4. Then, the selected color material CM (C) is independently, that is, in a state where mixing with the color material CM of another color (color material CM (Y) or color material CM (M)) is prevented. , The drum portion 181 (inflow port 183) can be supplied.

Further, even when the selection is changed to, for example, the color material CM (Y) instead of the color material CM (C), the color material CM (Y) can be changed to the color material CM (C) or the color material CM (M). It is possible to supply up to the drum portion 181 in a state where mixing with the drum portion 181 is prevented.

As described above, in the sheet manufacturing apparatus 100, the color mixing that is not desired by the user when the selection of the color material CM is changed (in the above case, the color material CM (Y) after selection and the color material CM (C) or the color material CM) Color mixing with CM (M)) can be prevented.

Further, when a color mixing undesired by the user occurs, the sheet S may be wasted (spoiled) in general, but the sheet manufacturing apparatus 100 prevents the color mixing undesired by the user as described above. With such a configuration, it is possible to prevent waste (spoilage) of the sheet S.

As shown in FIG. 4, the sheet manufacturing apparatus 100 includes a removing portion 6 for removing the residue in the drum portion (drum) 181. The removing portion 6 has a plate-shaped squeegee 61 extending along the y direction and abutting on the inner peripheral portion 181b of the drum portion 181. The position and posture of the squeegee 61 are kept constant regardless of the rotation of the drum portion 181. The residue adhering to the inner peripheral portion 181b of the drum portion 181 is scraped off by the squeegee 61 when the drum portion 181 rotates. Then, the scraped residue is discharged from, for example, a discharge port (not shown) communicating with the drum portion 181. The residue includes, for example, a mixture M7'containing a colorant CM.

Even if the selected color material CM is changed by the removing unit 6 having such a configuration, the color material CM before the change can be removed from the drum unit 181. As a result, it is possible to prevent the color material CM before the change and the color material CM after the change from being mixed in the drum portion 181 undesirably by the user. In addition, it is possible to prevent waste (spoilage) of the sheet S due to this color mixing.

<Second Embodiment>
FIG. 6 is a schematic side view showing a dispersion portion and its periphery included in a sheet manufacturing apparatus (second embodiment) to which the fiber raw material recycling apparatus of the present invention is applied.

Hereinafter, the second embodiment of the fiber raw material recycling apparatus of the present invention will be described with reference to this figure, but the differences from the above-described embodiments will be mainly described, and the same matters will be omitted.
The present embodiment is the same as the first embodiment except that the configuration of the mixing portion is different.

As shown in FIG. 6, in the present embodiment, the mixing unit 5 is arranged between the color material supply unit 3 and the drum unit (drum) 181 and the color material CM is supplied to the drum unit (drum) 181. In the previous stage, the color material CMs having different colors are mixed with each other.

The upstream side of the mixing unit 5 is connected to each storage unit 31 via the flow path 32, and the downstream side is connected to the drum unit 181 via the flow path (third flow path) 29. Further, the mixing unit 5 is composed of a hollow body, and inside the mixing unit 5, the coloring material CMs that have passed through the respective flow paths 32 can be mixed with each other. Then, the color material mixture CM'can pass through the flow path 29 and flow into the drum portion 181. In the drum portion 181 the color material mixture CM'can be merged with the mixture M7, loosened together with the mixture M7, and further uniformly mixed with the mixture M7.

Such a configuration is effective when it is desired to mix the color material CMs before they merge with the mixture M7 when the color material CMs are mixed with each other.

The mixing unit 5 may be configured to rotate like the mixing unit 5 of the first embodiment. Further, the mixing unit 5 may be configured to generate an air flow inside. With such a configuration, more uniform mixing of the colorant CM with the mixture M7 can be achieved. This makes it possible to prevent color unevenness from occurring on the sheet S.
<Third Embodiment>
FIG. 7 is a schematic side view showing a dispersion portion and its periphery included in a sheet manufacturing apparatus (third embodiment) to which the fiber raw material recycling apparatus of the present invention is applied.

Hereinafter, the third embodiment of the fiber raw material recycling apparatus of the present invention will be described with reference to this figure, but the differences from the above-described embodiments will be mainly described, and the same matters will be omitted.
The present embodiment is the same as the first embodiment except that the configuration of the mixing portion is different.

As described above, the drum portion (drum) 181 has a plurality of openings 181a as discharge portions for discharging the mixture M7 (defibration containing material).

Further, as shown in FIG. 7, in the present embodiment, a plurality of drum units (drums) 181 are supplied from the color material supply unit 3 for each color material CM having different colors (three in the present embodiment). Have been placed. Each drum portion 181 is connected to the storage portion 31 one by one via the flow path 32.

The mixing unit 5 is composed of a housing unit 182 that collectively stores the plurality of drum units (drums) 181. The mixing unit 5, that is, the housing unit 182 can mix the color material CMs with each other when the color material CMs are discharged from the plurality of drum units (drums) 181 together with the mixture M7 (defibration material containing material). It can be done.

Such a configuration is effective when it is desired to mix the color material CMs with each other immediately before the formation of the second web M8 as much as possible when the color material CMs are mixed with each other. Further, since the plurality of drum portions 181 are arranged, the sheet manufacturing apparatus 100 can be configured to be capable of supplying the mixture M7 having different fiber lengths (average) to each drum portion 181.

<Fourth Embodiment>
FIG. 8 is a schematic side view showing a dispersion portion and its periphery included in the sheet manufacturing apparatus (fourth embodiment) to which the fiber raw material recycling apparatus of the present invention is applied.

Hereinafter, the fourth embodiment of the fiber raw material recycling apparatus of the present invention will be described with reference to this figure, but the differences from the above-described embodiments will be mainly described, and the same matters will be omitted.
This embodiment is the same as the first embodiment except that the configuration of the color material supply unit is different.

As shown in FIG. 8, in the present embodiment, the color material supply unit 3 has a white (achromatic color) color in addition to the color material CM (C), the color material CM (Y), and the color material CM (M). It is configured to be able to supply a color material CM (W) which is a material CM and a color material CM (CL) which is a colorless and transparent color material CM. The coloring material CM (CL) is composed of, for example, colorless and transparent resin particles. Further, if necessary, a color material CM (BK) which is a black color material CM may be configured.

The color material supply unit 3 further has a storage unit 31 for independently storing the color material CM (W) and the color material CM (CL), and a flow path 32 connected to each storage unit 31. There is. A switching unit 41 of the color material selection unit 4 is arranged in each of the flow paths 32.

With the color material supply unit 3 having such a configuration, it is possible to manufacture the sheet S having abundant color variations.

<Fifth Embodiment>
FIG. 9 is a vertical cross-sectional view showing a configuration of a color material selection unit included in a sheet manufacturing apparatus (fifth embodiment) to which the fiber raw material recycling apparatus of the present invention is applied.

Hereinafter, the fifth embodiment of the fiber raw material recycling apparatus of the present invention will be described with reference to this figure, but the differences from the above-described embodiments will be mainly described, and the same matters will be omitted.
The present embodiment is the same as the first embodiment except that the configuration of the color material selection unit is different.

As shown in FIG. 9, in the present embodiment, the switching unit 42 of the color material selection unit 4 is a vibration feeder, and is a lid rotatably supported so as to approach and separate from the supply port 312 of the storage unit 31. It has a body 421 and an urging portion 422 composed of a spring that urges the lid 421 in a direction approaching the supply port 312.

When the lid 421 is opened against the urging force of the urging portion 422, the coloring material CM is supplied through the supply port 312. Further, when the lid body 421 is closed due to the urging force of the urging portion 422, the supply of the coloring material CM is stopped. With the switching unit 42 having such a configuration, it is possible to easily switch between the color material supply state and the supply stop state.

<Sixth Embodiment>
FIG. 10 is a vertical cross-sectional view showing a configuration of a color material selection unit included in a sheet manufacturing apparatus (sixth embodiment) to which the fiber raw material recycling apparatus of the present invention is applied.

Hereinafter, the sixth embodiment of the fiber raw material recycling apparatus of the present invention will be described with reference to this figure, but the differences from the above-described embodiments will be mainly described, and the same matters will be omitted.
The present embodiment is the same as the first embodiment except that the configuration of the color material selection unit is different.

As shown in FIG. 10, in the present embodiment, the switching unit 43 of the color material selection unit 4 is a rotary feeder, and the blade 431 rotatably supported in the flow path 32 and the motor for rotationally driving the blade 431. It has a drive unit 432 composed of.

When the blade 431 rotates, the color material CM is pulled out from the storage unit 31 and pushed out as it is toward the downstream side, so that the color material supply state is established. As a result, the color material CM can pass through the flow path 32 and reach the drum portion 181. Further, when the rotation of the blade 431 is stopped, the extrusion of the coloring material CM is also stopped, and the supply is stopped. The switching unit 43 having such a configuration can also easily switch between the color material supply state and the supply stop state.

<7th Embodiment>
FIG. 11 is a vertical cross-sectional view showing a configuration of a color material selection unit included in a sheet manufacturing apparatus (seventh embodiment) to which the fiber raw material recycling apparatus of the present invention is applied.

Hereinafter, the seventh embodiment of the fiber raw material recycling apparatus of the present invention will be described with reference to this figure, but the differences from the above-described embodiments will be mainly described, and the same matters will be omitted.
The present embodiment is the same as the first embodiment except that the configuration of the color material selection unit is different.

As shown in FIG. 11, in the present embodiment, the switching unit 44 of the color material selection unit 4 is a CS feeder (straight-ahead feeder), and is supported so as to be openable and closable in the middle of the flow path 32, and has a magnetic lid. It has a 441, an urging portion 442 composed of a spring that urges the lid 441 in a closed state, for example, and an electromagnet 443.

When the repulsive force of the electromagnet 443 acts on the lid body 441 and the lid body 441 is opened against the urging force of the urging portion 442, the coloring material CM is supplied. Further, when the repulsive force disappears and the lid body 441 is closed by the urging force of the urging portion 442, the supply of the coloring material CM is stopped. With the switching unit 44 having such a configuration, it is possible to easily switch between the color material supply state and the supply stop state.

Although the illustrated embodiment of the fiber raw material recycling device of the present invention has been described above, the present invention is not limited to this, and each part constituting the fiber raw material recycling device can exhibit the same function arbitrarily. Can be replaced with that of the configuration of. Further, any component may be added.

Further, the fiber raw material recycling apparatus of the present invention may be a combination of any two or more configurations (features) in each of the above embodiments.

Further, the sheet manufacturing apparatus 100 is not limited to the sheet S, and may be configured to manufacture a board-shaped or web-shaped product composed of a hard sheet or a laminated sheet. Further, the product is not limited to paper and may be a non-woven fabric. The properties of the sheet S are not particularly limited, and may be paper that can be used as recording paper (for example, so-called PPC paper) for writing or printing, wallpaper, wrapping paper, colored paper, drawing paper, Kent paper, or the like. It may be. When the sheet S is a non-woven fabric, it may be a general non-woven fabric, a fiber board, tissue paper, kitchen paper, a cleaner, a filter, a liquid absorber, a sound absorber, a cushioning material, a mat, or the like.

100 ... Sheet manufacturing equipment (fiber raw material recycling equipment), 3 ... Color material supply unit, 31 ... Storage unit, 311 ... Storage space, 312 ... Supply port, 32 ... Channel (second flow path), 321 ... Tube , 322 ... Branch part, 323 ... Branch pipe, 324 ... Branch pipe, 33 ... Loading part, 4 ... Color material selection part, 41 ... Switching part, 411 ... Screw, 412 ... Drive part, 42 ... Switching part, 421 ... Lid Body, 422 ... urging part, 43 ... switching part, 431 ... blade, 432 ... drive part, 44 ... switching part, 441 ... lid, 442 ... urging part, 443 ... electromagnet, 5 ... mixing part, 6 ... removal Section, 61 ... squeegee, 11 ... raw material supply section, 12 ... coarse crushing section, 121 ... coarse crushing blade, 122 ... chute (hopper), 13 ... defibration section, 14 ... sorting section, 141 ... drum section (sieving section) , 142 ... housing part, 15 ... first web forming part, 151 ... mesh belt, 152 ... tension roller, 153 ... suction part (suction mechanism), 16 ... subdivision part, 161 ... propeller, 162 ... housing part, 17 ... Mixing section, 171 ... resin supply section, 172 ... tube (first flow path), 173 ... blower, 174 ... screw feeder, 18 ... dispersion section, 181 ... drum section (drum), 181a ... opening, 181b ... Peripheral part, 182 ... housing part, 183 ... inflow port, 187 ... drive part, 19 ... second web forming part, 191 ... mesh belt (separation belt), 191a ... through hole, 192 ... tension roller, 193 ... suction part (Suction mechanism), 194 ... Drive section, 20 ... Sheet forming section, 201 ... Pressurizing section, 202 ... Heating section, 203 ... Calendar roller, 204 ... Heating roller, 21 ... Cutting section, 211 ... First cutter, 212 ... 2nd cutter, 22 ... stock part, 231 ... humidifying part, 232 ... humidifying part, 233 ... humidifying part, 234 ... humidifying part, 235 ... humidifying part, 236 ... humidifying part, 241 ... pipe (flow path), 242 ... pipe (Flow path), 243 ... Tube (flow path), 244 ... Tube (flow path), 245 ... Tube (flow path), 246 ... Tube (flow path), 261 ... Blower, 262 ... Blower, 263 ... Blower, 27 ... Recovery unit, 28 ... Control unit, 281 ... CPU, 282 ... Storage unit, 29 ... Flow path (third flow path), CM ... Color material, CM (C) ... Color material, CM (CL) ... Color material , CM (M) ... coloring material, CM (W) ... coloring material, CM (Y) ... coloring material, CM'... coloring material mixture, M1 ... raw material, M2 ... coarse crushed piece, M3 ... defibrated product, M4-1 ... 1st sort, M4-2 ... 2nd sort, M5 ... 1st web, M6 ... subdivision, M7 ... mixture, M7'... mixture, M8 ... 2nd web, O ₁₈₁ ... Central axis, P1 ... Resin, S ... Sheet

Claims (4)

With at least one drum that introduces a material containing defibrated fibers into the air and disperses it in the air.
A color material supply unit capable of supplying color materials of different colors to the inside of the drum, and
A color material selection unit capable of selecting color materials of different colors to be supplied from the color material supply unit to the inside of the drum, and a color material selection unit.
A mixing unit for mixing color materials of different colors selected by the color material selection unit is provided .
The drum has a discharge unit for discharging the material, and a plurality of drums are arranged for each of the color materials of different colors supplied from the color material supply unit.
The mixing unit accommodates a plurality of the drums, the coloring materials are discharged from the plurality of drums together with the materials, and the coloring materials having different colors are mixed with each other. .. The color material supply unit has a flow path through which the color materials of different colors pass independently.
The fiber raw material recycling apparatus according to claim 1 , wherein the color material selection unit is provided in each of the flow paths and has a switching unit for switching between the passage of the color material and the stop of the passage of the color material. The fiber raw material recycling apparatus according to claim 1 or 2 , further comprising a removing portion for removing the residue in the drum. The fiber raw material recycling apparatus according to any one of claims 1 to 3 , further comprising a web forming portion for forming a web using the material that has passed through the drum.

Images