JP2013014419A - Sheet feeding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sheet feeding device that can separate an upper sheet and a lower sheet in an early stage without lifting up the lower sheet high even when the upper and lower sheets are in pressure contact at an indentation or in engagement at a bent portion.SOLUTION: The sheet feeding device includes: a placing tray 410 on which sheets 411 are placed in a stack; a separation and feed part 420 for separating and feeding the sheets 411 on the placing tray 410 one by one; and a sheet deflection restriction part 472 disposed at a position opposite to the top sheet 411 on the placing tray 410 through a gap, and separated from a sheet end 412 at an upstream side in the conveyance direction of the sheets 411 to a downstream side in the conveyance direction by a predetermined distance L2.

Description

  The present invention relates to a paper feeding device, and more particularly to a paper feeding device of a small waste paper processing device that manufactures paper from recycled pulp from which waste paper has been disaggregated.

A conventional general papermaking method includes a pulp process, a papermaking process, and a finishing process. When used paper is used as a raw material, a used paper pulp process is added.
In the pulp process, pulp is produced from wood chips, and in the used paper pulp process, used paper as a raw material is disaggregated with a pulper to obtain used paper pulp. In the paper making process, the product paper is processed through the wire part, press part, dryer part, calendar part, and coater part of the paper machine. In the finishing process, the micro unevenness of the paper coated with the coater part is smoothed, cut into product dimensions, or wound on a roll.

  When making recycled paper from waste paper, the paper is supplied to the pulper in the form of a sheet or in the form of a shredder paper piece. The pulper batch-processes a certain amount of waste paper in a single disaggregation operation. In addition, the disaggregation operation is repeated in a timely manner so that the waste paper pulp does not become insufficient in the paper making process.

  Patent Document 1 describes the following configuration as a paper feeding device provided with a double feed prevention roller. That is, a double feed prevention roller that contacts the rear end of the paper sheet is provided, and the paper is conveyed one by one by lightly pressing the paper to such an extent that the double feed prevention roller does not suppress the paper feed force of the paper feed roller. The uppermost sheet of the plurality of stacked sheets is pressed against the lower sheet bundle by urging the multi-feed prevention roller with an elastic member.

JP 2002-302279 A

By the way, in the case of making recycled paper from waste paper, a paper feeding device that feeds the waste paper to the pulper sends out the waste paper sheets one by one from the loaded paper bundle.
However, there are some waste papers in which a bundle of sheets is bound with the staples of the stapler, and the leaves of the bundle of sheets are in pressure contact with each other in the indentations remaining in the bundle of sheets even after the staples are removed. In some cases, the upper and lower paper sheets are engaged with each other at the bent portion.

  For this reason, when there is an indentation of the paper binding needle on the upstream side in the sheet conveyance direction in the sheet bundle placed on the sheet feeding device, when the uppermost sheet is sent out from the sheet bundle, The lower paper sheet that is in pressure contact with the paper sheet is lifted and bent at the upstream edge of the conveyance direction, the indented part is raised as the upper paper sheet is conveyed, and the amount of bending of the lower paper sheet increases. Eventually, the lower paper sheet is greatly curved.

  At the initial stage of conveyance, the upper paper sheet and the lower paper sheet overlap, and the conveying force acting on the upper paper sheet acts on the indentation as a force in the shear direction along the paper surface of both paper sheets. The power to peel off the paper is poor.

  However, as the conveyance of the paper sheet proceeds, the lower paper sheet is greatly curved, the upper paper sheet forms a straight line, and the paper surfaces of both paper sheets are separated from each other, and the conveying force acting on the upper paper sheet Acts on the indentation as a force in the pulling direction that separates the paper surfaces of both paper sheets, so that the force to peel off both paper sheets at the indentation increases, and finally the upper paper sheet separates from the lower paper sheet .

Thereafter, when the greatly curved lower paper sheet returns to a horizontal posture, the posture of the paper sheet collapses, causing a paper jam when the paper sheet is transported in the next transport operation.
The present invention solves the above-described problem, and even when the upper and lower paper sheets are pressed against each other at the indentation or engaged at the bent portion, the upper and lower paper sheets are An object of the present invention is to provide a paper feeding device capable of separating paper sheets at an early stage.

  In order to solve the above-described problems, a paper feeding device according to the present invention includes a mounting table on which stacked sheets are stacked, a separation supply unit that separately supplies the sheets of the mounting table one by one, and the uppermost of the mounting table. A paper sheet deflection regulating member is provided which is opposed to the paper sheet via a gap and is disposed at a predetermined distance from the paper end upstream in the paper conveyance direction to the downstream side in the conveyance direction.

In the paper feeding device of the present invention, the paper sheet deflection regulating member is arranged to be movable up and down.
The paper feeding device according to the present invention is characterized by having an elastic member that biases the paper sheet deflection regulating member downward.

In the paper feeding device of the present invention, the paper sheet deflection regulating member is formed of a low friction member.
In the paper feeding device of the present invention, the paper sheet deflection regulating member is a rolling member.

In the paper feeding device of the present invention, the paper sheet deflection regulating member is arranged over the entire width in the paper width direction perpendicular to the paper sheet conveyance direction.
In the paper feeding device of the present invention, the paper sheet deflection regulating member is arranged to be movable in the paper sheet transport direction.

  The paper feeding device of the used paper processing apparatus of the present invention includes a pulper device that disaggregates used paper, a paper material storage device that stores shredded paper pieces to be supplied to the pulper device, and supplies shredded paper pieces to the paper material storage device. In a used paper processing apparatus comprising a shredder device, a paper feeding device that supplies a sheet of used paper to the shredder device, and a control device that controls each device, the paper feeding device is any one of the above paper feeding devices. It is characterized by that.

  As described above, according to the present invention, the paper sheet deflection regulating member opposes the uppermost paper sheet of the mounting table via the gap, and the predetermined direction from the paper edge upstream in the paper conveyance direction to the downstream side in the conveyance direction. Located at a distance.

  For this reason, when the uppermost paper sheet is sent out, the lower paper sheet is lifted and bent at the indentation between the upper paper sheet and the lower paper sheet as the upper paper sheet is conveyed. The leaf comes into contact with the paper sheet deflection regulating member.

  When the upper paper sheet comes into contact with the paper sheet deflection regulating member, the upper paper sheet moves in the transport direction in a state where the upward movement is restricted, and the upper paper sheet moves in the transport direction. The indented portions of both paper sheets move in the transport direction together with the upper paper sheet in a state where the upward movement is restricted, and the paper surface of both paper sheets in the vicinity of the indented positions is displaced from the horizontal direction to the vertical direction. .

  As a result, the conveyance force acting on the upper paper sheet acts on the indentation as a force in the pulling direction that separates the paper surfaces of both paper sheets. The leaves are separated from the lower paper sheet.

  As described above, even when the upper and lower paper sheets are pressed against each other at the indentation or engaged at the folding portion, the lower paper sheet is bent in a small curved state without raising the lower paper sheet. Paper sheets can be separated at an early stage. Therefore, since the lower paper sheet returns from the small curved state to the horizontal initial posture, the lower paper sheet returns to the original posture on the remaining paper sheets on the mounting table, and the next transport is performed. In operation, the paper sheet can be smoothly conveyed.

Sectional drawing which shows the paper feeder in embodiment of this invention The principal part enlarged view which shows the principal part of the paper feeder in the embodiment Schematic diagram showing the used paper processing apparatus in the same embodiment The block diagram which shows the control apparatus in the embodiment Front view showing a paper sheet deflection regulating member in the same embodiment The front view which shows the paper sheet bending | flexion control member in other embodiment of this invention. Explanatory drawing which shows the initial state of the paper sheet bending | flexion control member of this invention Explanatory drawing which shows the action state 1 of the paper leaf deflection control member Explanatory drawing which shows the action state 2 of the paper leaf deflection control member Explanatory drawing which shows the action state 3 of the paper leaf deflection control member Explanatory drawing which shows the state which the upper and lower paper sheets separated by the effect | action of the paper sheet bending | flexion control member Explanatory drawing which shows the state in which a lower paper sheet returns to an initial position

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIG. 4, the used paper processing apparatus according to the present invention is integrally provided with a recycled pulp unit 1, a deinking pulp unit 2, a paper making unit 3, a finishing unit 4, and a waste water processing unit 5, and recycled paper is used from used paper. It is prepared (regenerated) and has a control device 6 that controls the operation of the recycled pulp unit 1, the deinked pulp unit 2, the paper making unit 3, the finishing unit 4, and the wastewater treatment unit 5.

  The deinking pulp unit 2 separates foreign matter such as ink and toner from the fiber, and in the presence of a surfactant, stirring the recycled pulp-containing liquid containing foreign matter particles such as ink and toner, Fine bubbles are blown into the recycled pulp-containing liquid, and hydrophobic foreign particles are attached to the surface of the surfactant bubbles to float and separate to deink.

  The paper making section 3 is for making (regenerating) recycled paper by making deinked pulp, and uniformly ejecting the deinked pulp-containing liquid containing deinked pulp from the head box onto the mesh belt, draining the fiber Forming a layer.

The finishing unit 4 passes the paper made between a plurality of press rollers to increase the flatness of the paper and cut it into a predetermined sheet size.
The waste water treatment unit 5 treats the deinking waste liquid, removes fibers, ink, and toner through a filter, neutralizes by adding chemicals, and treats the water quality so that it can be drained to public sewage.

  As shown in FIGS. 1 to 4, the recycled pulp unit 1 includes a pulper device 110 that disaggregates used paper, a paper material storage device 120 that stores shredded pieces of waste paper to be supplied to the pulper device 110, and a paper material storage device. A shredder device 130 for supplying shredded paper pieces to 120 and a paper feeding device 140 for supplying waste sheets of paper to the shredder device 130 are provided.

  The pulper device 110 disaggregates recycled paper material of recycled raw materials into fibers, that is, recycled pulp, in a solvent such as clean water, white water, and the like. A rotating stirring blade (not shown) and driving means (not shown) such as a motor for rotating the stirring blade are provided. The tank body 111 communicates with a transfer system 112 for transferring the recycled pulp-containing liquid to the next process.

  In the pulper apparatus 110, an amount of a solvent corresponding to the amount of paper of the recycled material, here water, is charged into the tank body 111, and the agitating blade (not shown) is driven to dissociate the waste paper fibers to regenerate the recycled pulp. Prepared (regenerated), and recycled pulp-containing liquid containing recycled pulp is sent to the deinking pulp section 2 of the next step through the transfer system 112.

  The paper material storage device 120 stores waste paper shredded paper as the paper material 7 to be supplied to the pulper device 110. The paper material storage device 120 measures the input amount of the paper material 7 to be input to the pulper device 110, and the paper material. And a paper feeding unit 12 that supplies the metering unit 11 with the paper feeding unit 12.

  The paper supply unit 12 includes a paper material storage unit 16, a first duct 17 that transfers the paper material stored in the paper material storage unit 16 to the weighing unit 11, and the paper material 7 from the paper material storage unit 16 to the first. A feeding device 18 for feeding to the duct 17, a dispersion cyclone 19 for dispersing the paper material 7 sent from the paper material storage unit 16 to the first duct 17 by the feeding device 18, and a weighing unit for the paper material 7 in the first duct 17 11, a discharge cyclone 20 that discharges to the first duct 17, a blower 22 that generates an air flow 21 for flowing the paper material 7 that has been input from the paper material storage unit 16 into the first duct 17, and the discharge cyclone 20; It has the 2nd duct 23 connected between the air blowers 22, and the 3rd duct 24 connected between the discharge cyclone 20 and the air blowers 22.

  The paper material storage unit 16 includes a storage container 29 that stores the paper material 7 shredded by the shredder device 130, a stirring device 30 that stirs the paper material 7 stored in the storage container 29, and the shredded material stored. A paper amount detection unit 31 that detects the paper amount of a piece of paper is provided.

  The paper amount detection unit 31 includes an upper sensor 311 that detects an upper limit set amount and a lower sensor 312 that detects a lower limit set amount. The upper sensor 311 and the lower sensor 312 include photoelectric switches and the like, and are arranged on the inner surface of the storage container 29. It is provided opposite to each other. The lower limit set amount of the paper amount in the storage container 29 is a paper amount commensurate with the unit amount of the batch processing operation in the pulper device 110, and the upper limit set amount is a paper amount from which the paper material 7 does not overflow from the storage container 29.

The shredder device 130 includes a cutting unit 301 that shreds waste paper and a driving unit 302 that drives the cutting unit 301.
The paper feeding device 140 includes a mounting table 410 for stacking and stacking used paper sheets, a separation supply unit 420 for separating the used paper one by one from the mounting table 410, and the shredder device 130 along the paper feeding and conveying direction. A transporting device 430 for transporting, and a mounting table driving unit 440 for moving the mounting table 410 up and down between a lower limit side standby position where waste paper can be stacked and an upper limit side paper feeding position where used paper can be fed , A stacking amount detection unit 450 that detects the stacking amount of the used sheets of sheets stacked on the mounting table 410, a width guide 460 disposed on both sides of the mounting table 410, and a sheet deflection control unit mounted on the width guide 460. 470.

  The separation supply unit 420 includes a paper feed roller 422 attached to a drive shaft 421 disposed above the back end of the mounting table 410, and a paper suction device 423 is provided facing the paper feed roller 422.

  The conveyance device 430 includes a pair of upper and lower conveyance rollers 431 and a supply paper amount measurement unit 432 that measures the amount of used paper supplied to the shredder device 130. The supply paper amount measurement unit 432 is an optical sensor or super A sonic sensor is used. The amount of paper feed can also be measured by counting the number of times the paper is fed by the paper feed roller 422.

  The loading amount detection unit 450 includes a plurality of optical system sensors 451 arranged at appropriate intervals along the movement path of the mounting table 410. The loading amount detection unit 450 can be configured to detect the amount of raising / lowering of the mounting table 410 with a potentiometer and estimate the amount of used paper stacked, or to store the difference between the replenishment amount and the consumption amount as data. is there.

  The paper sheet deflection regulating part 470 is formed by integrally forming a paper sheet deflection regulating main body part 471 and a paper sheet deflection regulating member 472 as one member. The paper sheet deflection regulating main body portion 471 is held by the width guide 460 so as to be movable up and down, and the engagement hole 473 engaged with the engaging portion 461 provided in the width guide 460 is formed in the paper sheet deflection regulating main body portion 471. It has both sides, and the latching | locking part 461 hold | maintains the paper sheet bending | flexion control main-body part 471 within the range of the engagement hole 473 so that a movement up and down is possible and detachable.

  As shown in FIG. 7, the paper sheet deflection regulating member 472 is formed in a plate shape on the lower end side of the paper sheet deflection regulating main body portion 471, and as shown in FIG. 5, the waste paper sheet 411 on the mounting table 410 is formed. Formed over the entire width in the paper width direction perpendicular to the transport direction, the paper sheet deflection regulating member 472 is spaced from the uppermost waste paper sheet 411 on the mounting table 410 in a state where the paper sheet deflection regulating main body portion 471 is at the lower end position. While facing through L1, the sheet is located at a predetermined distance L2 downstream from the paper end 412 on the upstream side in the transport direction of the paper sheet 411. The upper limit of the gap L1 is about 10 mm, and the predetermined distance L2 is a distance shorter than ½ of the total length along the transport direction of the paper sheet 411. In other words, the paper sheet deflection regulating member 472 is located on the upstream side in the transport direction with respect to ½ of the total length of the paper sheet 411 in the transport direction. The sheet deflection regulating member 472 that can move up and down can be arranged with the gap L1 as the lower limit of 0 mm.

  As described above, the paper sheet deflection regulating main body portion 471 exists over the entire width in the paper width direction orthogonal to the conveyance direction of the paper sheet 411, so that the contact portion that is pressed by the indentation is in any position in the paper width direction. it can.

  In the present embodiment, the paper sheet deflection regulating member 472 located at the lower limit position is biased downward only by the weight of the paper sheet deflection regulating section 470, depending on the type of used paper to be loaded, for example, paper thickness, material, etc. The load can be changed according to the type of the used paper by changing to the paper sheet deflection regulating portion 470 having a different weight. However, it is also possible to bias the paper sheet deflection regulating member 472 downward by an elastic member such as a spring, and by replacing the elastic member, it is possible to accurately set a load corresponding to the type of used paper.

  Further, in the present embodiment, the paper sheet deflection regulating member 472 is a plate member made of the same material as the paper sheet deflection regulating main body portion 471, but the paper sheet deflection regulating member 472 is separated from the paper sheet deflection regulating main body portion 471. It is also possible to form a low friction member such as polytetrafluoroethylene (tetrafluororesin), polyacetal or the like. In this case, by reducing the resistance received by the paper sheet 411 due to contact with the paper sheet deflection regulating member 472, the paper sheet deflection regulating member 472 may cause a reduction in the paper feeding force by the paper feeding roller 422. Can be suppressed.

  Furthermore, as shown in FIG. 6, the paper sheet deflection regulating member 472 can be formed of a rolling member such as a roller 474. In this case, the paper sheet deflection regulating member 472 hardly causes a decrease in the paper feeding force by the paper feeding roller 422, and the paper sheet 411 can be sent out smoothly.

  In this embodiment, the paper sheet deflection regulating main body 471 is held by the width guide 460 so as to be movable up and down. However, a support material (not shown) extending in the conveyance direction of the paper sheet 411 is provided on the width guide 460. It is also possible to make the paper sheet deflection regulating main body portion 471 movable in the conveyance direction of the paper sheet 411 with this support material, and as a result, the paper sheet deflection regulating member 472 can move in the conveyance direction of the paper sheet 411. It becomes.

In this case, the paper sheet deflection regulating member 472 can be arranged at an appropriate position according to the type of paper sheet 411, that is, the size, paper thickness, material, and the like.
The control device 6 has the following functional units as functional circuits set in the CPU 61. That is, the regenerated pulp unit control function unit 611 that controls the operation of the regenerated pulp unit 1, the deinking pulp unit control function unit 612 that controls the operation of the deinking pulp unit 2, and the paper making unit that controls the operation of the paper making unit 3. The control function unit 613, the finishing unit control function unit 614 that controls the operation of the finishing unit 4, the waste water treatment unit control function unit 615 that controls the operation of the waste water treatment unit 5, and the operation process from the start of operation to the stop of operation. An automatic operation control function unit 616 that sequentially executes is provided.

  The recycled pulp unit control function unit 611 is a sub-function unit that waits for the mounting table 410 to be in a standby position except during paper feeding, and the paper amount of the paper material storage device 120 detected by the paper amount detection unit 31. Is controlled to control the mounting table drive unit 440 to raise the mounting table to the paper feeding position, and to control the separation supply unit 420 to supply used paper to the shredder device 130 when the value becomes less than the lower limit set amount. A function unit 618 is provided.

  At the paper feed position, as shown in FIG. 7, the paper sheet deflection regulating member 472 is placed between the uppermost used paper sheet 411 and the gap L <b> 1 in the state where the paper sheet deflection regulating main body 471 is at the lower end position. Facing each other.

  The operation of the above configuration will be described. The control device 6 includes a regenerated pulp section control function section 611, a deinking pulp section control function section 612, a paper making section control function section 613, a finishing section control function section 614, and a wastewater treatment section control function section 615, respectively. The deinking pulp unit 2, the paper making unit 3, the finishing unit 4 and the waste water treatment unit 5 are controlled to prepare recycled paper from used paper.

  In the recycled pulp unit 1, shredded paper pieces of the paper material 7 stored in the storage container 29 of the paper material storage device 120 are sent to the measuring unit 11 by the paper supply unit 12, and the paper matches the unit amount of the batch processing operation in the pulper device 110. The quantity is supplied to the pulper device 110. When the batch processing operation is finished in the pulper device 110, the recycled pulp is sent to the deinking pulp section 2 through the transfer system 112. By repeating this operation, the used paper processing apparatus is continuously operated.

  During this time, the standby control function unit 617 of the control device 6 causes the loading table 410 of the paper feeding device 140 to stand by at the lower limit side standby position at which used paper can be stacked except during paper feeding. For this reason, while continuously operating the used paper processing device, the operator can always load and replenish used paper to the paper supply device 14 when the paper supply device is not performing the paper supply operation.

  When the paper sensor 7 stored in the storage container 29 decreases and the lower sensor 312 of the paper amount detection unit 31 detects that the paper amount is equal to or lower than the lower limit setting amount, the paper feed control function unit 618 of the control device 6 The mounting table driving unit 440 is controlled to raise the mounting table 410 to the paper feeding position.

  At this time, the current stacking amount of the mounting table 410 is detected by the sensor 451 of the stacking amount detection unit 450, and the sheet deflection control main body 471 is in the lower end position at the sheet feeding position as shown in FIG. The mounting table 410 is raised so that the paper sheet deflection regulating member 472 faces the uppermost used paper sheet 411 of the mounting table 410 via the gap L1.

  Then, the separation supply unit 420 is controlled to supply the sheet waste paper to the shredder apparatus 130. In the separation supply unit 420, the paper feed roller 422 mounted on the drive shaft 421 feeds the used paper, the paper separator device 423 prevents the multiple used paper feed, and the used paper amount measuring unit 432 supplies the used paper to the shredder device 130. Measure the amount.

  However, as described above, there are cases where the paper sheets 411 are in pressure contact with each other in the indentations of the staples of the staples of the stapler as described above, or the upper and lower paper sheets may be involved in the folded portion. .

  When the close contact portion of the paper sheet 411 is on the downstream side in the transport direction of the paper sheet 411, that is, on the front end side, the close contact portion is rolled by the paper feed roller 422 and the paper suction device 423 and transported without causing a paper jam error. Is done. Further, even if double feeding occurs, if paper jam does not occur, the paper is cut by the shredder device 130, so there is no problem in supply.

  Next, as shown in FIG. 8, when there is a close contact portion due to the indentation of the paper binding needle on the upstream side in the transport direction of the paper sheet 411 in the used paper bundle placed on the placement table 410 of the paper feeding device 140, When the uppermost paper sheet 411 is sent out from the sheet bundle, the lower paper sheet 411b pressed against the upper paper sheet 411a at the indentation is lifted and bent at the paper edge 412 on the upstream side in the conveying direction.

  In the initial stage of conveyance, the upper paper sheet 411a and the lower paper sheet 411b overlap each other, and the conveying force acting on the upper paper sheet 411a acts on the indentation as a force in the shear direction along the paper surface of both paper sheets. Therefore, the force to peel off both paper sheets is poor.

  In the present embodiment, the paper sheet deflection regulating member 472 of the paper sheet deflection regulating unit 470 is opposed to the uppermost paper sheet 411 of the mounting table 410 via the gap L1, and the paper on the upstream side of the paper sheet 411 in the transport direction. It is located at a predetermined distance L2 from the end 412 to the downstream side in the transport direction.

  Therefore, as shown in FIG. 9, when the uppermost paper sheet 411 is sent out, the upper paper sheet 411a is conveyed at the indented portion between the upper paper sheet 411a and the lower paper sheet 411b. The paper sheet 411b is lifted and bent, and the upper paper sheet 411a comes into contact with the paper sheet bending regulating member 472.

  When the upper paper sheet 411a abuts against the paper sheet deflection regulating member 472 and lifts the paper sheet deflection regulating section 470 upward, the weight of the paper sheet deflection regulating section 470 acts on the upper paper sheet 411a as a load, The paper sheet 411a moves in the transport direction in a state where the upward movement is restricted.

  As shown in FIG. 10, when the upper paper sheet 411a moves in the transport direction, the indentations on both paper sheets move in the transport direction together with the upper paper sheet 411a while the upward movement is restricted. Then, the paper surfaces of both paper sheets 411 near the indentation are displaced from the horizontal direction to the vertical direction.

  As a result, as shown in FIG. 11, the conveying force acting on the upper paper sheet 411a acts on the indentation as a force in the pulling direction that separates the paper surfaces of both paper sheets 411. The peeling force increases and the upper paper sheet 411a is separated from the lower paper sheet 411b.

Then, as shown in FIG. 12, the curved lower sheet 411b returns to a horizontal posture.
As described above, even when the upper and lower paper sheets 411 are in contact with each other at the indentation or engaged at the bent portion, the lower paper sheet 411b is slightly curved without raising the lower paper sheet 411b. Since the upper and lower paper sheets 411 can be separated at an early stage in this state, the lower paper sheet 411b returns to the initial horizontal position from the slightly curved state, and the lower paper sheet loses its position. It returns to the original posture on the remaining paper sheets, and the paper sheets can be smoothly conveyed in the next conveyance operation.

DESCRIPTION OF SYMBOLS 1 Regenerated pulp part 2 Deinking pulp part 3 Paper making part 4 Finishing part 5 Waste water treatment part 6 Control apparatus 7 Paper material 8 Storage tank 11 Weighing part 12 Paper feed part 16 Paper material storage part 17 1st duct 18 Delivery apparatus 19 For dispersion | distribution Cyclone 20 Cyclone for discharge 21 Airflow 22 Blower 23 Second duct 24 Third duct 29 Storage container 30 Stirrer 31 Paper amount detection unit 61 CPU
110 Pulper device 111 Tank body 112 Transfer system 113 Pump 120 Paper material storage device 130 Shredder device 140 Paper feed device 301 Cut unit 302 Drive unit 311 Upper sensor 312 Lower sensor 410 Loading table 411 Paper sheet 412 Paper edge 420 Separation supply unit 421 Drive Shaft 422 Paper feed roller 423 Paper separator device 430 Transport device 431 Transport roller 432 Supply paper amount measurement unit 440 Placement table drive unit 450 Stack amount detection unit 451 Sensor 460 Width guide 461 Locking unit 470 Paper sheet deflection regulation unit 471 Regulation body 472 Paper sheet deflection regulation member 473 Engagement hole 474 Roller 611 Recycled pulp section control function section 612 Deinking pulp section control function section 613 Paper making section control function section 614 Finishing section control function section 615 Wastewater treatment section control function section 616 Automatic operation control function unit 617 Standby Control function portion 618 paper feed control function unit L1 gap L2 predetermined distance

Claims (8)

  A placement table for stacking and placing paper sheets, a separation and supply unit for separating and supplying the paper sheets of the placement table one by one, and facing the topmost paper sheet of the placement table through a gap, and the conveyance direction of the paper sheets A paper feeding device comprising: a paper sheet deflection regulating member disposed at a position spaced a predetermined distance from the upstream paper end to the downstream side in the transport direction.   The sheet feeding device according to claim 1, wherein the paper sheet deflection regulating member is arranged to be movable up and down.   The paper feeding device according to claim 2, further comprising an elastic member that biases the paper sheet deflection regulating member downward.   The sheet feeding device according to any one of claims 1 to 3, wherein the paper sheet deflection regulating member is a low friction member.   The paper feeding device according to any one of claims 1 to 3, wherein the paper sheet deflection regulating member is a rolling member.   The paper feeding device according to any one of claims 1 to 5, wherein the paper sheet deflection regulating member is disposed over a full width in a paper width direction orthogonal to a paper sheet conveyance direction.   The paper feeding device according to any one of claims 1 to 6, wherein the paper sheet deflection regulating member is disposed so as to be movable in a paper sheet conveyance direction. A pulper device that disintegrates waste paper, a paper material storage device that stores shredded paper pieces to be supplied to the pulper device, a shredder device that supplies shredded paper pieces to the paper material storage device, and a sheet of waste paper to the shredder device In a used paper processing apparatus comprising a paper feeding device for supplying paper sheets and a control device for controlling each device,
A paper feeding device of a used paper processing apparatus, wherein the paper feeding device is the paper feeding device according to any one of claims 1 to 7.

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