WO2018043078A1 - シート製造装置 - Google Patents

シート製造装置 Download PDF

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Publication number
WO2018043078A1
WO2018043078A1 PCT/JP2017/028907 JP2017028907W WO2018043078A1 WO 2018043078 A1 WO2018043078 A1 WO 2018043078A1 JP 2017028907 W JP2017028907 W JP 2017028907W WO 2018043078 A1 WO2018043078 A1 WO 2018043078A1
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WO
WIPO (PCT)
Prior art keywords
unit
resin
shutter
additive
sheet
Prior art date
Application number
PCT/JP2017/028907
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English (en)
French (fr)
Japanese (ja)
Inventor
晶宙 佐竹
Original Assignee
セイコーエプソン株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by セイコーエプソン株式会社 filed Critical セイコーエプソン株式会社
Priority to JP2018537090A priority Critical patent/JPWO2018043078A1/ja
Publication of WO2018043078A1 publication Critical patent/WO2018043078A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
    • 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
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/60—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in dry state, e.g. thermo-activatable agents in solid or molten state, and heat being applied subsequently
    • 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay

Definitions

  • the present invention relates to a sheet manufacturing apparatus.
  • an object of the present invention is to prevent the leakage of unnecessary additives.
  • the sheet manufacturing apparatus of the present invention deposits a mixture obtained by mixing a defibrated material obtained by defibrating a raw material containing fibers and a resin, and pressurizes and heats to form a sheet.
  • An apparatus comprising: a resin storage unit that stores the resin; a resin supply unit that supplies the resin stored in the resin storage unit to a transport path through which the defibrated material is transported; and the resin storage unit A shutter that shuts off the supply of the stored resin to the transport path.
  • the shutter can block the supply of the resin accommodated in the resin accommodating portion to the conveyance path, so even when a negative pressure is generated inside the conveyance path for conveying the defibrated material, The resin does not leak into the conveyance path.
  • an unused color resin is not unintentionally supplied, and the sheet can be prevented from being colored in an unexpected color.
  • the shutter is closed when no resin is supplied from the resin container. According to the present invention, unnecessary resin (resin that does not need to be supplied) does not leak into the conveyance path by closing the shutter when the resin is not supplied from the resin container, and is not used, for example. It is possible to prevent the color resin from being unintentionally supplied.
  • the shutter is closed when the apparatus is stopped. According to the present invention, by closing the shutter when the apparatus is stopped, unnecessary resin (resin that does not need to be supplied) does not leak into the inside of the conveyance path. It can prevent being supplied without doing.
  • the resin housing portion is composed of a plurality of resin housing portions for housing resin. According to the present invention, it is possible to use a plurality of resins of different colors or different types by storing the resins in the plurality of resin storage portions, respectively. In addition, when there is a resin that does not need to be supplied, the resin does not leak into the transport path by closing the shutter of the resin container in which the resin is accommodated. It can prevent being supplied unintentionally.
  • this invention closes the shutter corresponding to the said resin accommodating part which accommodates at least chromatic color resin among the said several resin accommodating parts in the said invention. According to the present invention, it is possible to prevent an unexpected color due to the chromatic resin from being colored on the sheet by closing the shutter corresponding to the resin storage portion that stores the chromatic resin.
  • the invention further includes an agitation mechanism for agitating the resin in the resin container, and the drive source of the shutter is common to the agitation mechanism.
  • the driving source of the shutter is shared with the stirring mechanism, a new power source becomes unnecessary, and the opening / closing operation of the shutter and the stirring operation by the stirring mechanism can be performed by one driving source.
  • the front view of the sheet manufacturing apparatus to which this invention is applied The schematic front view which shows the state which removed the front panel of FIG.
  • the perspective view of an additive supply part The perspective view which shows the drive part of an additive supply part. Sectional drawing of an additive supply part.
  • the perspective view of the drive mechanism of an additive supply part The perspective view of the drive mechanism of an additive supply part.
  • FIG. 1 is a schematic front view of a sheet manufacturing apparatus to which the present invention is applied.
  • FIG. 2 is a schematic front view showing a state where the front panel of FIG. 1 is removed.
  • the sheet manufacturing apparatus 100 described in the present embodiment for example, after used fiber such as confidential paper as a raw material is defibrated and fiberized by dry process, and then pressurized, heated and cut to obtain new paper. It is an apparatus suitable for manufacturing. By mixing various additives with the fiberized raw material, it is possible to improve the bond strength and whiteness of paper products and add functions such as color, fragrance, and flame resistance according to the application. Also good.
  • various thicknesses and sizes of paper such as A4 and A3 office paper and business card paper can be manufactured.
  • the sheet manufacturing apparatus 100 includes a substantially rectangular parallelepiped casing 300.
  • An opening / closing door 301 that opens and closes an opening provided in the upper front portion is provided at the upper center of the front surface of the housing 300.
  • the open / close door 301 can be opened and closed using a handle.
  • the resin cartridge storage portion 302 provided inside the housing 300 is exposed.
  • a cartridge 303 storing additives containing a plurality of color resins is detachably stored in the resin cartridge storage 302.
  • the open / close door 301 is made of a transparent material, and the user can visually recognize the state of the cartridge 303 stored in the resin cartridge storage unit 302 without opening the open / close door 301.
  • a touch panel 304 is provided to the right of the opening / closing door 301 on the front surface of the housing 300.
  • the touch panel 304 also functions as a display unit on which various information related to the sheet manufacturing apparatus 100 is displayed.
  • an emergency stop button 305 is provided above the touch panel 304 on the front surface of the housing 300.
  • the emergency stop button 305 is a button for instructing to stop the process urgently when the sheet manufacturing apparatus 100 is executing a process for manufacturing a sheet.
  • a push-type power switch 306 is provided below the touch panel 304 on the front surface of the housing 300.
  • a front cover 307 is provided below the open / close door 301 on the front surface of the housing 300.
  • the front cover 307 can be opened and closed using, for example, a handle.
  • the front cover 307 is opened, the in-machine tank 308, the compressor 309, and the dust collection tank 310 provided in the housing 300 are exposed.
  • the front cover 307 can be opened only when the lock by the lock mechanism (not shown) is released.
  • a sheet feed stacker 311 is provided at the lower part of the front surface of the housing 300 in a state of protruding from the front surface.
  • the paper feed stacker 311 is a device that stores used paper as a raw material. When manufacturing a sheet based on used paper, the used paper stored in the paper feed stacker 311 is supplied into the housing 300 by a predetermined means. Above the paper feed stacker, a paper feed tray 312 is mounted for supplying manually fed used paper one by one or a set of used paper one by one into the housing.
  • a space is formed in the left end portion of the front surface of the housing 300 by the housing 300 being recessed rearward, and a paper discharge tray 313 is provided in the space.
  • the sheet discharge tray 313 is an apparatus that sequentially discharges and stores sheets manufactured by the sheet manufacturing apparatus 100.
  • a paper discharge stacker can be attached to the paper discharge tray 313.
  • FIG. 3 is a schematic diagram illustrating the configuration and operation of the sheet manufacturing apparatus according to the embodiment.
  • the sheet manufacturing apparatus 100 includes a supply unit 10, a crushing unit 12, a defibrating unit 20, a sorting unit 40, a first web forming unit 45, a rotating body 49, a mixing unit 50, a stacking unit 60, A second web forming unit 70, a conveying unit 79, a sheet forming unit 80, and a cutting unit 90 are provided.
  • the sheet manufacturing apparatus 100 includes humidifying units 202, 204, 206, 208, 210, and 212 for the purpose of humidifying the raw material and / or humidifying the space in which the raw material moves.
  • Specific configurations of the humidifying units 202, 204, 206, 208, 210, and 212 are arbitrary, and examples thereof include a steam type, a vaporization type, a hot air vaporization type, and an ultrasonic type.
  • the humidifying units 202, 204, 206, and 208 are configured by a vaporizer-type or hot-air vaporizer-type humidifier. That is, the humidifying units 202, 204, 206, and 208 have a filter (not shown) that infiltrates water, and supplies humidified air with increased humidity by allowing air to pass through the filter.
  • the humidification part 210 and the humidification part 212 are comprised with an ultrasonic humidifier.
  • the humidifying units 210 and 212 have a vibrating unit (not shown) that atomizes water and supplies mist generated by the vibrating unit.
  • the supply unit 10 supplies raw materials to the crushing unit 12.
  • the raw material from which the sheet manufacturing apparatus 100 manufactures a sheet may be anything as long as it contains fibers, and examples thereof include paper, pulp, pulp sheet, cloth including nonwoven fabric, and woven fabric.
  • the supply unit 10 includes a paper feed stacker 311 that accumulates and accumulates used paper, and the used paper is fed from the paper feed stacker 311 to the crushing unit 12 by an operation of a paper feed motor (not shown).
  • the coarse crushing unit 12 cuts (crushes) the raw material supplied by the supply unit 10 with a coarse crushing blade 14 to obtain a coarse crushing piece.
  • the rough crushing blade 14 cuts the raw material in the air (in the air) or the like.
  • the crushing unit 12 includes, for example, a pair of crushing blades 14 that are cut with a raw material interposed therebetween, and a drive unit that rotates the crushing blades 14, and can have a configuration similar to a so-called shredder.
  • the shape and size of the coarsely crushed pieces are arbitrary and may be suitable for the defibrating process in the defibrating unit 20.
  • the crushing unit 12 cuts the raw material into a piece of paper having a size of 1 to several cm square or less.
  • the crushing unit 12 has a chute (hopper) 16 that receives the crushing pieces that are cut by the crushing blade 14 and fall.
  • the chute 16 has, for example, a tapered shape in which the width gradually decreases in the direction in which the coarsely crushed pieces flow (the traveling direction). Therefore, the chute 16 can receive many coarse fragments.
  • the chute 16 is connected to a tube 2 communicating with the defibrating unit 20, and the tube 2 forms a conveying path for conveying the raw material (crushed pieces) cut by the crushing blade 14 to the defibrating unit 20. .
  • the coarse fragments are collected by the chute 16 and transferred (conveyed) through the tube 2 to the defibrating unit 20.
  • Humidified air is supplied by the humidifying unit 202 to the chute 16 included in the crushing unit 12 or in the vicinity of the chute 16.
  • tube 2 by static electricity can be suppressed.
  • the crushed material cut by the pulverizing blade 14 is transferred to the defibrating unit 20 together with humidified (high humidity) air, the effect of suppressing adhesion of the defibrated material inside the defibrating unit 20 is also achieved. I can expect.
  • the humidification part 202 is good also as a structure which supplies humidified air to the rough crushing blade 14, and neutralizes the raw material which the supply part 10 supplies. Moreover, you may neutralize using an ionizer with the humidification part 202.
  • FIG. 1 A schematic diagram of a typical humidification part 202.
  • the defibrating unit 20 defibrates the raw material (crushed pieces) cut by the crushing unit 12 to generate a defibrated material.
  • “defibration” means unraveling a raw material (a material to be defibrated) formed by binding a plurality of fibers into individual fibers.
  • the defibrating unit 20 also has a function of separating substances such as resin particles, ink, toner, and a bleeding inhibitor adhering to the raw material from the fibers.
  • the “defibrated material” includes resin particles (resins that bind multiple fibers together), ink, toner, etc. In some cases, additives such as colorants, anti-bleeding agents, paper strength enhancers and the like are included.
  • the shape of the defibrated material that has been unraveled is a string shape or a ribbon shape.
  • the unraveled defibrated material may exist in an unentangled state (independent state) with other undisentangled fibers, or entangled with other undisentangled defibrated material to form a lump. It may exist in a state (a state forming a so-called “dama”).
  • the defibrating unit 20 performs defibration by a dry method.
  • performing a process such as defibration in the air (in the air), not in the liquid, is called dry.
  • the defibrating unit 20 uses an impeller mill.
  • the defibrating unit 20 includes a rotor (not shown) that rotates at a high speed and a liner (not shown) that is positioned on the outer periphery of the roller.
  • the coarsely crushed pieces crushed by the crushing unit 12 are sandwiched between the rotor and the liner of the defibrating unit 20 and defibrated.
  • the defibrating unit 20 generates an air flow by the rotation of the rotor.
  • the defibrating unit 20 can suck the crushed pieces, which are raw materials, from the tube 2 and convey the defibrated material to the discharge port 24.
  • the defibrated material is sent out from the discharge port 24 to the tube 3 and transferred to the sorting unit 40 through the tube 3.
  • the defibrated material generated in the defibrating unit 20 is conveyed from the defibrating unit 20 to the sorting unit 40 by the air flow generated by the defibrating unit 20.
  • the sheet manufacturing apparatus 100 includes a defibrating unit blower 26 that is an airflow generation device, and the defibrated material is conveyed to the sorting unit 40 by the airflow generated by the defibrating unit blower 26.
  • the defibrating unit blower 26 is attached to the pipe 3, sucks air from the defibrating unit 20 together with the defibrated material, and blows it to the sorting unit 40.
  • the sorting unit 40 has an inlet 42 through which the defibrated material defibrated from the tube 3 by the defibrating unit 20 flows together with the airflow.
  • the sorting unit 40 sorts the defibrated material to be introduced into the introduction port 42 according to the length of the fiber. Specifically, the sorting unit 40 uses a defibrated material having a size equal to or smaller than a predetermined size among the defibrated material defibrated by the defibrating unit 20 as a first selected material, and a defibrated material larger than the first selected material. Is selected as the second selection.
  • the first selection includes fibers or particles
  • the second selection includes, for example, large fibers, undefibrated pieces (crushed pieces that have not been sufficiently defibrated), and defibrated fibers agglomerated or entangled. Including tama etc.
  • the sorting unit 40 includes a drum unit (sieving unit) 41 and a housing unit (covering unit) 43 that accommodates the drum unit 41.
  • the drum portion 41 is a cylindrical sieve that is rotationally driven by a motor.
  • the drum portion 41 has a net (filter, screen) and functions as a sieve.
  • the drum unit 41 sorts a first selection smaller than the mesh opening (opening) and a second selection larger than the mesh opening.
  • a metal net for example, a metal net, an expanded metal obtained by extending a cut metal plate, or a punching metal in which a hole is formed in the metal plate by a press machine or the like is used.
  • the defibrated material introduced into the introduction port 42 is sent into the drum portion 41 together with the air current, and the first selected material falls downward from the mesh of the drum portion 41 by the rotation of the drum portion 41.
  • the second selection that cannot pass through the mesh of the drum portion 41 is caused to flow by the airflow flowing into the drum portion 41 from the introduction port 42, led to the discharge port 44, and sent out to the pipe 8.
  • the tube 8 connects the inside of the drum portion 41 and the tube 2.
  • the second selection flowed through the pipe 8 flows through the pipe 2 together with the crushed pieces crushed by the crushing section 12 and is guided to the inlet 22 of the defibrating section 20. As a result, the second selected item is returned to the defibrating unit 20 and defibrated.
  • the first selection material selected by the drum unit 41 is dispersed in the air through the mesh of the drum unit 41 and is applied to the mesh belt 46 of the first web forming unit 45 located below the drum unit 41. Descent towards.
  • the first web forming part 45 includes a mesh belt 46 (separation belt), a tension roller 47, and a suction part (suction mechanism) 48.
  • the mesh belt 46 is an endless belt, is suspended on three tension rollers 47, and is conveyed in the direction indicated by the arrow in the drawing by the movement of the tension rollers 47.
  • the surface of the mesh belt 46 is constituted by a net in which openings of a predetermined size are arranged.
  • fine particles having a size that passes through the meshes fall below the mesh belt 46, and fibers of a size that cannot pass through the meshes accumulate on the mesh belt 46, and mesh.
  • the fine particles falling from the mesh belt 46 include defibrated materials that are relatively small or low in density (resin particles, colorants, additives, etc.), and the sheet manufacturing apparatus 100 does not use them for manufacturing the sheet S. It is a removed product.
  • the mesh belt 46 moves at a constant speed V1.
  • the normal operation is an operation excluding the start control and stop control of the sheet manufacturing apparatus 100 to be described later. More specifically, the sheet manufacturing apparatus 100 manufactures a sheet S having a desired quality. It points to while doing.
  • the defibrated material that has been defibrated by the defibrating unit 20 is sorted into the first sorted product and the second sorted product by the sorting unit 40, and the second sorted product is returned to the defibrating unit 20. Further, the removed material is removed from the first selected material by the first web forming unit 45. The remainder obtained by removing the removed material from the first selection is a material suitable for manufacturing the sheet S, and this material is deposited on the mesh belt 46 to form the first web W1.
  • the suction unit 48 sucks air from below the mesh belt 46.
  • the suction part 48 is connected to the dust collecting part 27 via the pipe 23.
  • the dust collecting unit 27 is a filter type or cyclone type dust collecting device, and separates fine particles from the air current.
  • a collection blower 28 (separation suction unit) is installed downstream of the dust collection unit 27, and the collection blower 28 sucks air from the dust collection unit 27. Further, the air discharged from the collection blower 28 is discharged out of the sheet manufacturing apparatus 100 through the pipe 29.
  • the first web W1 is formed on the mesh belt 46 by depositing fibers obtained by removing the removed material from the first selected material.
  • the suction of the collection blower 28 the formation of the first web W1 on the mesh belt 46 is promoted, and the removed material is quickly removed.
  • Humidified air is supplied to the space including the drum unit 41 by the humidifying unit 204.
  • the humidified air is humidified in the sorting unit 40 by the humidified air.
  • the adhesion of the first selection to the mesh belt 46 due to the electrostatic force can be weakened, and the first selection can be easily separated from the mesh belt 46.
  • it can suppress that the 1st selection object adheres to the inner wall of the rotary body 49 or the housing part 43 with an electrostatic force.
  • the removal object can be efficiently sucked by the suction portion 48.
  • the configuration for sorting and separating the first defibrated material and the second defibrated material is not limited to the sorting unit 40 including the drum unit 41.
  • you may employ adopt the structure which classifies the defibrated material processed by the defibrating unit 20 with a classifier.
  • the classifier for example, a cyclone classifier, an elbow jet classifier, or an eddy classifier can be used. If these classifiers are used, it is possible to sort and separate the first sort and the second sort.
  • the above classifier can realize a configuration in which removed products including relatively small ones having a low density (resin particles, colorants, additives, etc.) among the defibrated materials are separated and removed.
  • the second sorted product may be returned to the defibrating unit 20, the removed product is collected by the dust collecting unit 27, and the first sorted product excluding the removed product may be sent to the pipe 54. .
  • air including mist is supplied by the humidifying unit 210 to the downstream side of the sorting unit 40.
  • the mist that is fine particles of water generated by the humidifying unit 210 descends toward the first web W1 and supplies moisture to the first web W1. Thereby, the amount of moisture contained in the first web W1 is adjusted, and adsorption of fibers to the mesh belt 46 due to static electricity can be suppressed.
  • the sheet manufacturing apparatus 100 includes a rotating body 49 that divides the first web W1 deposited on the mesh belt 46.
  • the first web W ⁇ b> 1 is separated from the mesh belt 46 at a position where the mesh belt 46 is folded back by the stretching roller 47 and divided by the rotating body 49.
  • the first web W1 is a soft material in which fibers are accumulated to form a web shape, and the rotating body 49 loosens the fibers of the first web W1 and processes it into a state in which the resin can be easily mixed by the mixing unit 50 described later. .
  • the structure of the rotating body 49 is arbitrary, in this embodiment, it can be made into the rotating feather shape which has a plate-shaped blade
  • the rotating body 49 is disposed at a position where the first web W1 peeled off from the mesh belt 46 and the blades are in contact with each other. Due to the rotation of the rotating body 49 (for example, the rotation in the direction indicated by the arrow R in the figure), the blade collides with the first web W ⁇ b> 1 that is peeled from the mesh belt 46 and is transported, and the subdivided body P is generated.
  • the rotating body 49 is preferably installed at a position where the blades of the rotating body 49 do not collide with the mesh belt 46.
  • the distance between the tip of the blade of the rotating body 49 and the mesh belt 46 can be set to 0.05 mm or more and 0.5 mm or less.
  • the rotating body 49 causes the mesh belt 46 to be damaged without being damaged.
  • One web W1 can be divided efficiently.
  • the subdivided body P divided by the rotating body 49 descends inside the tube 7 and is transferred (conveyed) to the mixing unit 50 by the airflow flowing inside the tube 7. Further, humidified air is supplied to the space including the rotating body 49 by the humidifying unit 206. Thereby, the phenomenon that fibers are adsorbed by static electricity to the inside of the tube 7 and the blades of the rotating body 49 can be suppressed. In addition, since high-humidity air is supplied to the mixing unit 50 through the pipe 7, the influence of static electricity can also be suppressed in the mixing unit 50.
  • the mixing unit 50 includes an additive supply unit 52 that supplies an additive containing a resin, a tube 54 that communicates with the tube 7 and flows an air stream including the subdivided body P, and a mixing blower 56 (transfer blower).
  • the subdivided body P is a fiber obtained by removing the removed material from the first sorted product that has passed through the sorting unit 40 as described above.
  • the mixing unit 50 mixes an additive containing a resin with the fibers constituting the subdivided body P.
  • an air flow is generated by the mixing blower 56, and is conveyed in the tube 54 while mixing the subdivided body P and the additive. Moreover, the subdivided body P is loosened in the process of flowing through the inside of the tube 7 and the tube 54, and becomes a finer fiber.
  • the additive supply unit 52 (resin supply unit) includes an additive storage box 110 that stores an additive containing resin.
  • a cartridge 303 that accumulates additives is connected to the additive storage box 110, and the additive sent from the cartridge 303 to the additive storage box 110 is supplied to the tube 54.
  • As the additive supply unit 52 for example, a screw conveyor 120 for sending an additive made of fine powder or fine particles inside the additive storage box 110 is employed.
  • the additive supply unit 52 includes a supply unit 113.
  • the supply unit 113 includes a shutter 126 that can be opened and closed. When the supply unit 113 is closed, for example, a pipe line or an opening connecting the supply unit 113 and the pipe 54 is closed. In this configuration, the supply of the additive from the additive supply unit 52 to the pipe 54 is stopped with the supply unit 113 closed.
  • the additive supply unit 52 does not supply the additive to the pipe 54. However, when a negative pressure is generated in the pipe 54, the additive supply is performed. Even if the section 52 is stopped, the additive may flow to the tube 54. Such a flow of the additive does not occur when the supply unit 113 is closed. Therefore, the flow of the additive can be reliably blocked by closing the supply unit 113 with the shutter 126.
  • the additive supply unit 52 is configured to open and close the supply unit 113 (shutter 126) and drive the stirring blades 124 built in the additive supply unit 52 using, for example, one motor or actuator as power. Can do.
  • the additive supplied by the additive supply unit 52 includes a resin for binding a plurality of fibers.
  • Thermoplastic resin or thermosetting resin for example, AS resin, ABS resin, polypropylene, polyethylene, polyvinyl chloride, polystyrene, acrylic resin, polyester resin, polyethylene terephthalate, polyphenylene ether, polybutylene terephthalate, nylon, polyamide, polycarbonate Polyacetal, polyphenylene sulfide, polyether ether ketone, and the like.
  • These resins may be used alone or in combination. That is, the additive may contain a single substance, may be a mixture, or may contain a plurality of types of particles each composed of a single substance or a plurality of substances.
  • the additive may be in the form of a fiber or powder.
  • the resin contained in the additive is melted by heating and binds a plurality of fibers. Accordingly, in a state where the resin is mixed with the fibers and not heated to a temperature at which the resin melts, the fibers are not bound to each other.
  • the additive supplied by the additive supply unit 52 includes a colorant for coloring the fiber, fiber aggregation, and resin aggregation depending on the type of sheet to be manufactured. It may also contain a coagulation inhibitor for suppressing odor, and a flame retardant for making the fibers difficult to burn. Moreover, the additive which does not contain a colorant may be colorless or light enough to be considered colorless, or may be white.
  • the subdivided body P descending the pipe 7 and the additive supplied by the additive supply unit 52 are sucked into the pipe 54 and pass through the inside of the mixing blower 56 due to the air flow generated by the mixing blower 56.
  • the fibers constituting the subdivided body P and the additive are mixed by the air flow generated by the mixing blower 56 and / or the action of the rotating part such as the blades of the mixing blower 56, and this mixture (the first sort and the additive) ) Is transferred to the deposition section 60 through the tube 54.
  • the mechanism which mixes a 1st selection material and an additive is not specifically limited, It may stir with the blade
  • the deposition unit 60 introduces the mixture that has passed through the mixing unit 50 from the introduction port 62, loosens the entangled defibrated material (fibers), and lowers it while dispersing it in the air. Furthermore, when the additive resin supplied from the additive supply unit 52 is fibrous, the deposition unit 60 loosens the entangled resin. Thereby, the deposition unit 60 can deposit the mixture on the second web forming unit 70 with good uniformity.
  • the accumulation unit 60 includes a drum unit 61 (drum) and a housing unit (covering unit) 63 that accommodates the drum unit 61.
  • the drum unit 61 is a cylindrical sieve that is rotationally driven by a motor.
  • the drum portion 61 has a net (filter, screen) and functions as a sieve. Due to the mesh, the drum portion 61 allows fibers and particles having a smaller mesh opening (opening) to pass through and lowers the drum portion 61 from the drum portion 61.
  • the configuration of the drum unit 61 is the same as the configuration of the drum unit 41, for example.
  • the “sieving” of the drum unit 61 may not have a function of selecting a specific object. That is, the “sieving” used as the drum part 61 means a thing provided with a net, and the drum part 61 may drop all of the mixture introduced into the drum part 61.
  • a second web forming unit 70 is disposed below the drum unit 61.
  • the 2nd web formation part 70 (web formation part) accumulates the passing material which passed the accumulation part 60, and forms the 2nd web W2 (deposit).
  • the second web forming unit 70 includes, for example, a mesh belt 72 (belt), a tension roller 74, and a suction mechanism 76.
  • the mesh belt 72 is an endless belt, is suspended on a plurality of stretching rollers 74, and is conveyed in the direction indicated by the arrow in the drawing by the movement of the stretching rollers 74.
  • the mesh belt 72 is made of, for example, metal, resin, cloth, or non-woven fabric.
  • the surface of the mesh belt 72 is configured by a net having openings of a predetermined size. Among the fibers and particles descending from the drum unit 61, fine particles having a size that passes through the mesh drops to the lower side of the mesh belt 72, and fibers having a size that cannot pass through the mesh are deposited on the mesh belt 72. 72 is conveyed in the direction of the arrow.
  • the mesh belt 72 moves at a constant speed V2. The normal operation is as described above.
  • the mesh of the mesh belt 72 is fine and can be sized so that most of the fibers and particles descending from the drum portion 61 are not allowed to pass through.
  • the suction mechanism 76 is provided below the mesh belt 72 (on the side opposite to the accumulation unit 60 side).
  • the suction mechanism 76 includes a suction blower (not shown), and can generate an airflow directed downward (airflow directed from the accumulation portion 60 toward the mesh belt 72) to the suction mechanism 76 by the suction force of the suction blower.
  • the mixture dispersed in the air by the deposition unit 60 is sucked onto the mesh belt 72 by the suction mechanism 76.
  • formation of the 2nd web W2 on the mesh belt 72 can be accelerated
  • the suction mechanism 76 can form a downflow in the dropping path of the mixture, and can prevent the defibrated material and additives from being entangled during the dropping.
  • the suction blower (deposition suction unit) may discharge the air sucked from the suction mechanism 76 out of the sheet manufacturing apparatus 100 through a collection filter (not shown). Alternatively, the air sucked by the suction blower may be sent to the dust collecting unit 27, and the removed matter contained in the air sucked by the suction mechanism 76 may be collected.
  • Humidified air is supplied to the space including the drum unit 61 by the humidifying unit 208.
  • the humidified air can humidify the inside of the accumulation portion 60, suppress the adhesion of fibers and particles to the housing portion 63 due to electrostatic force, and quickly drop the fibers and particles onto the mesh belt 72, so Two webs W2 can be formed.
  • the second web W ⁇ b> 2 that is soft and swelled with a lot of air is formed by passing through the depositing unit 60 and the second web forming unit 70 (web forming step).
  • the second web W2 deposited on the mesh belt 72 is conveyed to the sheet forming unit 80.
  • air containing mist is supplied by the humidifying unit 212 to the downstream side of the deposition unit 60.
  • generates is supplied to the 2nd web W2, and the moisture content which the 2nd web W2 contains is adjusted.
  • suction etc. of the fiber to the mesh belt 72 by static electricity can be suppressed.
  • the sheet manufacturing apparatus 100 is provided with a transport unit 79 that transports the second web W2 on the mesh belt 72 to the sheet forming unit 80.
  • the conveyance unit 79 includes, for example, a mesh belt 79a, a stretching roller 79b, and a suction mechanism 79c.
  • the suction mechanism 79c includes a blower (not shown), and generates an upward airflow on the mesh belt 79a by the suction force of the blower. This air flow sucks the second web W2, and the second web W2 is separated from the mesh belt 72 and is adsorbed by the mesh belt 79a.
  • the mesh belt 79a moves by the rotation of the stretching roller 79b, and conveys the second web W2 to the sheet forming unit 80.
  • the moving speed of the mesh belt 72 and the moving speed of the mesh belt 79a are the same, for example.
  • the conveyance unit 79 peels and conveys the second web W2 formed on the mesh belt 72 from the mesh belt 72.
  • the sheet forming unit 80 forms the sheet S by pressurizing and heating the second web W2 deposited on the mesh belt 72 and conveyed by the conveying unit 79. In the sheet forming unit 80, heat is applied to the fibers of the defibrated material included in the second web W2 and the additive, thereby binding the plurality of fibers in the mixture to each other via the additive (resin). .
  • the sheet forming unit 80 includes a pressurizing unit 82 that pressurizes the second web W2 and a heating unit 84 that heats the second web W2 pressurized by the pressurizing unit 82.
  • the pressurizing unit 82 includes a pair of calendar rollers 85 and presses the second web W2 with a predetermined nip pressure.
  • the second web W2 is reduced in thickness by being pressurized, and the density of the second web W2 is increased.
  • One of the pair of calendar rollers 85 is a driving roller driven by a motor (not shown), and the other is a driven roller.
  • the calendar roller 85 is rotated by a driving force of a motor (not shown) and conveys the second web W ⁇ b> 2 having a high density by pressurization toward the heating unit 84.
  • the heating unit 84 can be configured using, for example, a heating roller (heater roller), a hot press molding machine, a hot plate, a hot air blower, an infrared heater, and a flash fixing device.
  • the heating unit 84 includes a pair of heating rollers 86.
  • the heating roller 86 is heated to a preset temperature by a heater installed inside or outside.
  • the heating roller 86 heats the second web W ⁇ b> 2 pressed by the calendar roller 85 to form the sheet S.
  • One of the pair of heating rollers 86 is a driving roller driven by a motor (not shown), and the other is a driven roller.
  • the heating roller 86 is rotated by a driving force of a motor (not shown) and conveys the heated sheet S toward the cutting unit 90.
  • the number of the calender rollers 85 included in the pressing unit 82 and the number of the heating rollers 86 included in the heating unit 84 are not particularly limited.
  • the cutting unit 90 (cutter unit) cuts the sheet S formed by the sheet forming unit 80.
  • the cutting unit 90 includes a first cutting unit 92 that cuts the sheet S in a direction that intersects the conveyance direction of the sheet S, and a second cutting unit 94 that cuts the sheet S in a direction parallel to the conveyance direction. Have.
  • the second cutting unit 94 cuts the sheet S that has passed through the first cutting unit 92, for example.
  • the discharge unit 96 includes a discharge tray 313 or a stacker on which sheets S of a predetermined size are placed.
  • the humidifying units 202, 204, 206, and 208 may be configured by a single vaporizing humidifier.
  • the humidified air generated by one humidifier may be branched and supplied to the crushing unit 12, the housing unit 43, the pipe 7, and the housing unit 63.
  • This configuration can be easily realized by branching and installing a duct (not shown) for supplying humidified air.
  • the humidifying sections 202, 204, 206, and 208 can be configured by two or three vaporizing humidifiers.
  • humidified air is supplied to the humidifying units 202, 204, 206, and 208 from a vaporizing humidifier (not shown).
  • the humidifying units 210 and 212 may be configured by one ultrasonic humidifier or may be configured by two ultrasonic humidifiers.
  • generates can be set as the structure branched and supplied to the humidification part 210 and the humidification part 212.
  • blower included in the sheet manufacturing apparatus 100 described above is not limited to the defibrating unit blower 26, the collection blower 28, the mixing blower 56, the blower of the suction mechanism 76, and the blower of the suction mechanism 79c.
  • the crushing unit 12 first crushes the raw material and manufactures the sheet S from the raw material that has been crushed.
  • a configuration in which the sheet S is manufactured using fibers as the raw material It is also possible to do.
  • the structure which can be thrown into the drum part 41 by using the fiber equivalent to the defibrated material which the defibrating part 20 defibrated may be sufficient.
  • tube 54 may be sufficient as the raw material equivalent to the 1st selection thing isolate
  • the sheet S can be manufactured by supplying fibers processed from waste paper or pulp to the sheet manufacturing apparatus 100.
  • FIG. 4 is a perspective view of the additive supply unit.
  • FIG. 5 is a perspective view showing a drive mechanism of the additive supply unit.
  • FIG. 6 is a cross-sectional view of the additive supply unit.
  • An additive supply part is provided with the additive storage box 110 as a resin storage part which stores the additive containing resin.
  • the additive storage box 110 is formed in a box shape having a hollow inside, and a cylindrical transport unit 111 extending laterally is provided below one surface of the additive storage box 110.
  • An opening 112 is formed on the lower surface of the front end of the transport unit 111.
  • a cylindrical supply unit 113 connected to the tube 54 is provided at the tip of the transport unit 111, and an opening 114 communicating with the tube 54 and the opening 112 of the transport unit 111 is formed below the supply unit 113. Is done.
  • a plurality (six in this embodiment) of additive storage boxes 110 are installed, and the plurality of additive storage boxes 110 are arranged along the tube 54.
  • the plurality of additive storage boxes 110 are divided for each additive color.
  • the color of the additive includes, for example, an achromatic color such as white or a chromatic color, as well as a transparent color.
  • Additives of different colors may be stored in each additive storage box 110, or additives of the same color may be stored in a plurality of additive storage boxes 110.
  • a cartridge 303 for storing an additive corresponding to the color of the additive to be stored is detachably mounted on the upper part of each additive storage box 110. The cartridge 303 can be replaced individually when the additive is exhausted, and the additive stored in the cartridge 303 is appropriately supplied to the additive storage box 110 by gravity.
  • a screw conveyor 120 is rotatably arranged below the additive storage box 110.
  • One end of the screw conveyor 120 extends to the tip of the transport unit 111, and the other end of the screw conveyor 120 passes through the side opposite to the formation side of the transport unit 111 of the additive storage box 110 and is exposed to the outside.
  • a screw gear 121 is attached to the end of the screw conveyor 120 exposed to the outside from the additive storage box 110.
  • a spiral screw 122 is formed on the outer peripheral surface of the screw conveyor 120, and the additive inside the additive storage box 110 passes through the inside of the transport unit 111 and is supplied to the supply unit 113 by rotationally driving the screw conveyor 120. It is comprised so that it may convey toward.
  • a stirring shaft 123 is rotatably supported through the side surface of the additive storage box 110.
  • the stirring shaft 123 is disposed in parallel with the screw conveyor 120, and a stirring blade 124 is attached to the outer periphery of the stirring shaft 123.
  • a stirring gear 125 is attached to the outer end of the additive storage box 110 of the stirring shaft 123. And it is comprised so that the additive accommodated in the inside of the additive storage box 110 may be stirred by rotationally driving the stirring blade 124 via the stirring shaft 123.
  • a cylindrical shutter 126 is disposed on the outer periphery of the transport unit 111 so as to be rotatable along the outer periphery of the transport unit 111.
  • the shutter 126 covers the outer peripheral surface of the transport unit 111 and an opening 127 is formed at the tip. Then, by rotating the shutter 126, when the opening 127 of the shutter 126 and the opening 112 of the transport unit 111 coincide (communicate), the additive is supplied into the tube 54. This state is referred to as an open state of the shutter 126. Further, when the shutter 126 closes the opening 112 of the transport unit 111 at a portion other than the opening 127, the supply of the additive to the pipe 54 is stopped. This state is referred to as a closed state of the shutter 126.
  • a notch 128 is formed on the outer periphery of the shutter 126 along the circumferential direction, and the notch 128 is formed over almost a half of the shutter 126.
  • a shutter gear 129 is attached to the base end portion of
  • the drive mechanism includes a drive motor 130 attached to the outside of the additive storage box 110.
  • the drive motor 130 is fixed by screws or the like to a support plate 131 attached to the side surface on the formation side of the transport unit 111 of the additive storage box 110.
  • a second support plate 132 is attached to the support plate 131 with a predetermined gap from the support plate 131, and a third support plate 133 is attached to the second support plate 132 with a predetermined gap below the second support plate 132. It is done.
  • An output gear 134 located on the opposite side of the support plate 131 is attached to the drive motor 130, and the drive gear 135 is engaged with the output gear 134.
  • the drive gear 135 is rotatably supported by the second support plate 132.
  • the drive gear 135 is positioned between the support plate 131 and the second support plate 132 and is coaxially attached to the drive gear 135 so as to be integrated therewith.
  • a rotating stirring drive gear 136 is attached.
  • a transmission shaft 137 is rotatably supported by the second support plate 132 and the third support plate 133.
  • a shutter transmission gear 138 is attached between the second support plate 132 and the third support plate 133 of the transmission shaft 137, and the shutter transmission gear 138 meshes with the drive gear 135.
  • a shutter drive gear 139 is attached to the outside of the third support plate 133 of the transmission shaft 137, and the shutter drive gear 139 is engaged with the shutter gear 129 of the shutter 126.
  • a torque limiter 140 is attached to the shutter drive gear 139 so that when a predetermined torque is applied to the shutter drive gear 139, the drive force to the shutter drive gear 139 is released.
  • the torque limiter 140 is provided with a positioning protrusion 141 that is engaged with the notch 128.
  • the shutter transmission gear 138 and the shutter drive gear 139 are rotationally driven. Due to the rotation of the shutter drive gear 139, the shutter 126 is rotated via the shutter gear 129.
  • the opening 127 of the shutter 126 for example, the center position of the opening 127) is rotated until it coincides with the opening 112 of the transport unit 111 (for example, the center position of the opening 112), the positioning projection 141 is one end of the notch 128. To prevent the shutter 126 from rotating.
  • the shutter gear 129 is rotationally driven in the reverse direction via the output gear 134, the drive gear 135, the shutter transmission gear 138, and the shutter drive gear 139.
  • the shutter 126 is also rotated in the reverse direction, and the opening 112 of the transport unit 111 is closed at a portion other than the opening 127 of the shutter 126.
  • the positioning protrusion 141 comes into contact with the other end of the notch 128 to rotate the shutter 126. Stop.
  • a screw drive motor (not shown) is disposed outside the additive storage box (on the right side in FIG. 6).
  • a screw gear 121 is engaged with an output gear (not shown) of the screw drive motor. And by driving a screw drive motor, the gear 121 for screws is rotated via an output gear, and, thereby, the screw conveyor 120 is rotated.
  • the additive in the additive storage box 110 is transported toward the tip of the transport unit 111, via the opening 112 of the transport unit 111, the opening 127 of the shutter 126, and the opening 114 of the supply unit 113. Then, the additive is supplied into the tube 54.
  • a stirring transmission gear 143 meshed with the stirring drive gear 136 is rotatably disposed between the support plate 131 and the second support plate 132.
  • the stirring transmission gear 143 is meshed with the stirring gear 125. Then, by driving the drive motor 130 and driving the drive gear 135 via the output gear 134, the agitation gear 125 is rotated via the agitation drive gear 136 and the agitation transmission gear 143.
  • the stirring shaft 123 is rotationally driven by the rotation of the stirring gear 125, and the additive in the additive storage box 110 is stirred by the stirring blade 124.
  • the driving of the stirring blade 124 and the opening and closing of the shutter 126 are performed by one common driving motor 130.
  • the stirring shaft 123 is driven to rotate only when a one-way clutch is provided in the transmission system for transmitting the driving force of the driving motor 130 to the stirring shaft 123 and the driving motor 130 is rotated in the direction to open the shutter 126. It is preferable to configure so that the
  • the color of the additive to be used can be specified by operating the touch panel 304. Then, by driving the drive motor 130 of the additive storage box 110 in which the specified color additive is stored to open the shutter 126, the specified color additive is placed inside the tube 54. Can be supplied. When the apparatus is stopped, the shutter 126 is kept closed. This is to prevent the additive from being supplied unnecessarily to the pipe 54. In this case, it is also possible to make the completed sheet into an arbitrary color by combining a plurality of color additives and supplying them into the tube 54. By controlling the number of rotations of the screw drive motor, the supply amount of the additive can be adjusted, whereby an additive of any color can be supplied by the additive of a plurality of colors.
  • the additive storage box 110 in which additives other than the designated color are stored drives the drive motor 130 to close the shutter 126. By doing in this way, it can prevent that additives other than the designated color are supplied to the pipe
  • the shutter 126 may be closed in the additive storage box 110 in which at least a chromatic color additive is stored. This is because, for example, in the case of a white or transparent additive, even if the additive is unintentionally supplied to the tube 54 with the shutter 126 open, the effect on the color of the completed sheet is small.
  • the drive motor 130 of the additive storage box 110 in which the additive of the specified color is stored is driven.
  • the shutter 126 is moved to the open state by driving the drive motor 130, the positioning protrusion 141 comes into contact with one end portion of the notch 128 to prevent the rotation of the shutter 126, and the torque limiter 140 drives the shutter transmission gear 138. Power is released.
  • the screw conveyor 120 is rotated to supply the additive in the additive storage box 110 to the pipe 54 via the transport unit 111 and the supply unit 113.
  • the drive motor 130 drives the stirring blade 124 through the stirring shaft 123 to stir the additive in the additive storage box 110.
  • the additive supplied to the pipe 54 is transported inside the pipe 54 together with the defibrated material transported through the pipe 54, and in the mixing section, the air flow generated by the blower 56 and / or a rotating part such as a blade included in the blower 56. It is mixed with the defibrated material by the action of.
  • the additive storage box 110 containing additives of colors other than the designated color drives the drive motor 130 to keep the shutter 126 closed. Thereby, it is possible to prevent additives other than the designated color from being supplied to the tube 54.
  • the additive storage box 110 (resin storage part) that stores the additive containing resin, and the additive stored in the additive storage box 110, And a resin supply unit (for example, including a screw conveyor 120) that supplies the pipe 54 (conveyance path) through which the defibrated material is conveyed.
  • a shutter 126 that shuts off the supply of the additive stored in the additive storage box 110 to the pipe 54 is provided. According to this, since the supply of the additive stored in the additive storage box 110 to the pipe 54 is blocked by the shutter 126, even when a negative pressure is generated inside the pipe 54 that conveys the defibrated material, The additive does not leak into the tube 54. As a result, the additive of the color which is not used is not supplied, and it can prevent that a sheet
  • the shutter 126 is closed when the additive is not supplied from the additive storage box 110. According to this, by closing the shutter 126 when the additive is not supplied from the additive storage box 110, unnecessary additive does not leak into the tube 54, and an additive of an unused color is supplied. Can be prevented.
  • the shutter 126 is closed when the apparatus is stopped. According to this, closing the shutter 126 when the apparatus is stopped prevents unnecessary additives from leaking into the tube 54 and prevents the supply of unused colors and types of additives. it can.
  • the additive storage box 110 is comprised from the several additive storage box 110 which stores an additive. According to this, by storing an additive in each of the plurality of additive storage boxes 110, different colors or different types of additives can be used. Further, by closing the shutter 126 of the additive storage box 110 in which unnecessary additives are stored, unnecessary additives do not leak into the tube 54, and additives of colors and types that are not used. Can be prevented from being supplied.
  • the shutter 126 corresponding to the additive storage box 110 that stores at least a chromatic additive among the plurality of additive storage boxes 110 is closed. According to this, by closing the shutter 126 corresponding to the additive storage box 110 that stores the chromatic color additive, it is possible to prevent the sheet from being colored with an unexpected color due to the chromatic color additive.
  • a stirring mechanism for example, including the stirring blade 124) that stirs the additive in the additive storage box 110 is provided, and the drive motor 130 (drive source) of the shutter 126 includes the stirring mechanism. It is common. According to this, since the drive motor 130 of the shutter 126 is shared with the stirring mechanism, a new power source becomes unnecessary. As a result, the opening / closing operation of the shutter 126 and the stirring operation by the stirring blades can be performed by one drive source.
  • FIG. 7 is a perspective view showing another embodiment of the drive mechanism of the additive supply unit.
  • FIG. 8 is a perspective view of the drive mechanism as seen from the back side (back side) of FIG.
  • the torque limiter 140 is not used, and the shutter gear 129 has a structure in which teeth are formed for a half circumference.
  • the shutter gear 129 is fixed to an annular collar member 151 attached to the outer periphery of the shutter 126.
  • a leaf spring 150 is attached to the third support plate 133.
  • Two knock pins 152 project from the surface of the collar member 151 on the leaf spring 150 side.
  • Each knock pin 152 is provided at a position facing the substantially diametrical direction of the collar member 151.
  • the leaf spring 150 is configured to apply a biasing force in a direction in which the shutter 126 is closed by one knock pin 152 when the shutter 126 is in an open state. Further, the leaf spring 150 is configured such that when the shutter 126 is closed, an urging force is applied in the closing direction by the other knock pin 152.
  • the shutter drive gear 139 When the shutter 126 is opened, the shutter drive gear 139 is rotated via the output gear 134, the drive gear 135, and the shutter transmission gear 138 by rotating the drive motor 130. The shutter 126 is rotated through the shutter gear 129 by the rotation of the shutter drive gear 139.
  • the teeth of the shutter drive gear 139 are located at one end of the shutter gear 129, so that the shutter driving gear and the shutter gear 129 The meshing is released.
  • the shutter drive gear 139 continues to rotate, but the shutter gear 129 does not rotate any further, and the shutter 126 is opened.
  • the additive is conveyed by the screw conveyor 120 while the shutter 126 is open. In this state, the shutter 126 is urged in the direction in which one knock pin 152 is urged by the leaf spring 150 to close.
  • the urging force of the leaf spring 150 urges the shutter 126 in the closing direction, so the shutter 126 rotates in the closing direction and the shutter gear 129 is moved to the shutter. Is engaged with the drive gear 139. Accordingly, the shutter 126 is rotated via the shutter gear 129 by the rotation of the shutter drive gear 139, and the shutter 126 is closed.
  • the teeth of the shutter drive gear 139 are positioned at the other end of the shutter gear 129, the meshing between the shutter drive gear 139 and the shutter gear 129 is released. Thereby, the rotational force is not transmitted to the shutter gear 129, and the shutter 126 is held in the closed state. In this state, the shutter 126 is urged by the leaf spring 150 by the other knock pin 152 to be opened.
  • the rotational force of the shutter drive gear 139 can be released without using the torque limiter 140.
  • the single drive motor 130 can perform the opening / closing operation of the shutter 126 and the stirring operation by the stirring blade 124.
  • the urging force is applied to the shutter 126 by the leaf spring 150.
  • the present invention is not limited to this, and other springs or elastic bodies may be used.
  • the shutter 126 is rotated by driving the drive motor 130 to perform the opening / closing operation.
  • the present invention is not limited to this.
  • the shutter 126 may be opened and closed using a solenoid or the like.
  • Third support plate 134 ... Output gear, 135 ... Drive gear, 136 ... Stirring drive gear, 137 ... Transmission shaft, 138 ... Shutter transmission gear, 139 ... Shutter drive gear, 140 ... Torque limiter, 141 ... Positioning Projection, 143 ... agitation transmission gear, 303 ... cartridge, S ... sheet, W1 ... first web, W2 ... second web.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Nonwoven Fabrics (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
PCT/JP2017/028907 2016-08-31 2017-08-09 シート製造装置 WO2018043078A1 (ja)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115155905A (zh) * 2022-08-05 2022-10-11 重庆磐联传动科技有限公司 一种悬挂式齿轮防锈喷雾装置

Citations (5)

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Publication number Priority date Publication date Assignee Title
JPH11506809A (ja) * 1995-06-06 1999-06-15 カスマーク，ジェイムズ，ダブリュ，ジュニア フィルタを作る機械および方法
JP2000271910A (ja) * 1999-03-26 2000-10-03 Daiken Trade & Ind Co Ltd 木質繊維板の製造方法
JP2006513334A (ja) * 2003-01-22 2006-04-20 ア．チエルリ ノンヴオヴエンス ソチエタ ペル アチオーニ 革新的吸引ボックスにより繊維のウエブを乾燥成形する装置及それに関する方法
JP2015203163A (ja) * 2014-04-14 2015-11-16 セイコーエプソン株式会社 シート製造装置
JP2016150453A (ja) * 2015-02-16 2016-08-22 セイコーエプソン株式会社 シート製造装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11506809A (ja) * 1995-06-06 1999-06-15 カスマーク，ジェイムズ，ダブリュ，ジュニア フィルタを作る機械および方法
JP2000271910A (ja) * 1999-03-26 2000-10-03 Daiken Trade & Ind Co Ltd 木質繊維板の製造方法
JP2006513334A (ja) * 2003-01-22 2006-04-20 ア．チエルリ ノンヴオヴエンス ソチエタ ペル アチオーニ 革新的吸引ボックスにより繊維のウエブを乾燥成形する装置及それに関する方法
JP2015203163A (ja) * 2014-04-14 2015-11-16 セイコーエプソン株式会社 シート製造装置
JP2016150453A (ja) * 2015-02-16 2016-08-22 セイコーエプソン株式会社 シート製造装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115155905A (zh) * 2022-08-05 2022-10-11 重庆磐联传动科技有限公司 一种悬挂式齿轮防锈喷雾装置

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