JP5888859B2 - Waste paper processing equipment - Google Patents

Description

  The present invention relates to a used paper processing apparatus for destroying used paper. “Destructing used paper” means changing the used paper to a state in which information written on the used paper becomes unrecognizable.

  As a used paper processing apparatus, for example, a shredder as shown in Patent Document 1 is known. A shredder is a device that destroys waste paper by chopping it. In the shredder, when a plurality of used paper is set in the paper supply unit, the used paper is automatically supplied to the processing unit and is shredded.

JP-A-9-272638

  By the way, although the waste paper is a paper that is no longer needed, it may contain a paper on which personal information, confidential information, or the like is written. However, depending on the operation status of the used paper processing apparatus, the destruction processing may not be performed immediately. In that case, in order to prevent the theft of used paper, it is necessary for an operator to wait near the used paper processing apparatus until it can be destroyed, or to bring back the used paper. It was bad.

  An object of the present invention is to provide a used paper processing apparatus that can eliminate the need for an operator to stand by or take home and improve the working efficiency of used paper processing.

This onset Ming, a processing unit for destruction of waste paper, with a, a feeding unit for supplying the set paper into the continuous processing unit, in the paper processing apparatus, the sheet feeding unit, in the apparatus main body A mounting table on which used paper is set; a mounting space in which the mounting table moves up and down; a lifting mechanism that lifts and lowers the mounting table; an opening formed in the apparatus main body for setting used paper; and the opening The outer door that opens and closes, the inner door that opens and closes the upper opening of the mounting space, and when the outer door is opened, the mounting table is lowered and the inner door is actuated to close the upper opening of the mounting space. And a mechanism for supplying used paper on the mounting table in the raised position to the processing unit. When the outer door is opened, the inner door closes the upper opening of the mounting space. It is set by closing the space on the mounting table so as to hide the old paper on top. Waste paper to a third party is adapted to exert a security function to prevent the paper theft and can not be accessed, it is characterized in that.

  According to the present invention, since the paper feed unit has a security function, and the used paper set in the paper feed unit can be prevented from being stolen, even when the used paper processing apparatus cannot immediately destroy the used paper. Therefore, it is unnecessary for the operator to wait near the used paper processing apparatus until the destruction processing becomes possible, or to bring back the used paper. Therefore, it is possible to improve the work efficiency of used paper processing.

It is a longitudinal cross-sectional view of the used paper processing apparatus of 1st Embodiment. It is a longitudinal cross-sectional view of the separation delivery part of 1st Embodiment. It is a longitudinal cross-sectional partial view of the used paper processing apparatus of 2nd Embodiment. It is a longitudinal cross-sectional partial view of the used paper processing apparatus of 2nd Embodiment. It is a longitudinal cross-sectional partial view of the used paper processing apparatus of 2nd Embodiment. It is a longitudinal cross-section fragmentary view of the used paper processing apparatus of 3rd Embodiment. It is a longitudinal cross-section fragmentary view of the used paper processing apparatus of 3rd Embodiment. It is a side view of the lock mechanism of the locked state in 3rd Embodiment. It is IX arrow line view of FIG. It is a side view of the lock mechanism of the release state in a 3rd embodiment. It is a XI arrow line view of FIG. It is a longitudinal cross-sectional view of the used paper processing apparatus of 4th Embodiment. It is a longitudinal cross-sectional view of the used paper processing apparatus of 4th Embodiment. It is a front perspective view of the cassette of the normal state in 4th Embodiment. It is a back perspective view of the cassette of the normal state in 4th Embodiment. It is XVI-XVI sectional drawing of FIG. It is a see-through | perspective side view of the cassette of the normal state in 4th Embodiment. It is a perspective top view of the cassette of the normal state in 4th Embodiment. It is a front see-through | perspective perspective view of the cassette of the normal state in 4th Embodiment. It is a longitudinal cross-sectional view which shows the action | operation of the cover plate of the cassette in 4th Embodiment. It is a longitudinal cross-sectional view which shows the state which the cover plate of the cassette in 4th Embodiment opened. It is an expansion perspective view of the lock mechanism of the locked state in 4th Embodiment. It is an expansion perspective view of the lock mechanism of the release state in a 4th embodiment. It is a one-way perspective view of a pair of connectors used in a 4th embodiment. It is an other direction perspective view of a pair of connector used by a 4th embodiment. It is a perspective top view of the cassette of the acceptance state in 4th Embodiment. It is a longitudinal cross-sectional view of the cassette of the paper feeding state in 4th Embodiment. It is a downward perspective view of the cassette of the normal state in 4th Embodiment. It is a longitudinal cross-sectional view of the used paper processing apparatus which has a deformation | transformation structure of 1st Embodiment. It is a longitudinal cross-sectional view which shows another operating state of the apparatus of FIG. It is a longitudinal cross-sectional view which shows another operation state of the apparatus of FIG.

Hereinafter will be described an embodiment of the present invention, the first embodiment, the third embodiment and the fourth embodiment is a reference embodiment of the present invention, the second embodiment shaped state is an embodiment of the present invention.
[First Embodiment]
FIG. 1 is a longitudinal sectional view of the used paper processing apparatus of this embodiment. The used paper processing apparatus 1A includes a paper feeding unit 1, a processing unit 2, and a control unit (not shown).

  The sheet feeding unit 1 includes an upstream sheet feeding unit 11 and a downstream sheet feeding unit 13 that are connected side by side in the sheet feeding direction. The upstream paper feed unit 11 is provided outside the sealed apparatus main body 101. On the other hand, the downstream-side paper feeding unit 13 and the processing unit 2 are provided inside the apparatus main body 101, and require a predetermined unlocking operation in order to access from outside the apparatus main body 101. .

  A first transport unit 12 is provided between the upstream sheet feeding unit 11 and the downstream sheet feeding unit 13. The first transport unit 12 includes a transport path 121 and a pair of upper and lower transport rollers 122 and 123. A second transport unit 14 is provided between the downstream paper feed unit 13 and the processing unit 2. The second transport unit 14 includes a transport path 141, a pair of upper and lower transport rollers 142 and 143, and a pair of upper and lower transport rollers 144 and 145.

  The upstream paper feeding unit 11 includes a mounting table 111, a first lifting / lowering mechanism (not shown) of the mounting table 111, and a separation / feeding unit 114. The upstream paper feeding unit 11 moves the used paper P set on the mounting table 111 little by little by the first elevating mechanism to the transport path 121 one by one from the top by the separation and delivery unit 114. It is designed to send out. As shown in FIG. 2, the separation and delivery unit 114 includes a paper feed roller 1141 and a friction separation member 1142 urged so as to come into contact with the paper feed roller 1141 from below. The transport rollers 122 and 123 are configured to transport the waste paper P sent to the transport path 121 to the downstream paper feed unit 13.

  The downstream paper feed unit 13 includes a mounting table 131, a second lifting mechanism (not shown) of the mounting table 131, a mounting space 132, and a separation / feeding unit 134. The downstream paper supply unit 13 is configured to stack the used paper P conveyed from the upstream paper supply unit 11 on the mounting table 131 in the mounting space 132. The downstream paper feed unit 13 then feeds the used paper P in the placement space 132 to the transport path 141 one by one from the top by the separation and delivery unit 134 while raising the placement table 131 little by little by the second lifting mechanism. It is designed to send out. The separating and sending unit 134 has the same configuration as the separating and sending unit 114 shown in FIG. The transport rollers 142 and 143 and the transport rollers 144 and 145 are configured to transport the waste paper P sent to the transport path 141 to the processing unit 2. The downstream paper feed unit 13 may be configured to send the waste paper P stacked in the placement space 132 to the transport path 141 one by one from the bottom.

  The processing unit 2 includes a pair of left and right rotary cutters 21 and 22 and a storage container 23. The processing unit 2 shreds the waste paper P transported through the transport rollers 144 and 145 with the rotary cutters 21 and 22 while sandwiching the waste paper P, and drops the obtained fine pieces to be stored in the container 23. It has become. In other words, the processing unit 2 performs a destruction process by chopping the waste paper P.

  The used paper processing apparatus 1A having the above configuration operates as follows while each unit is controlled by the control unit. First, the operator sets the used paper P on the placing table 111 of the upstream paper feeding unit 11. As soon as the used paper P is set on the mounting table 111, the first elevating mechanism, the separating and feeding unit 114, and the first transport unit 12 are operated, and all of the used paper P on the mounting table 111 is one by one. It is conveyed to the downstream side paper feed unit 13. As a result, the upstream paper supply unit 11 is in a state where there is no waste paper P.

  The used paper P conveyed to the downstream side paper supply unit 13 is stacked and stored in the placement space 132. Then, the second elevating mechanism, the separation and delivery unit 134, and the second transport unit 14 are operated, and the used paper P stored in the placement space 132 is transported to the processing unit 2 one by one.

  Then, the waste paper P conveyed to the processing unit 2 is shredded by the rotary cutters 21 and 22 and stored in the container 23 as fine fragments.

  Thus, the destruction process of the waste paper P is completed.

  In the used paper processing apparatus 1A configured as described above, when the used paper P is set on the mounting table 111 of the upstream paper feeding unit 11, all of the used paper P is automatically conveyed to the downstream paper feeding unit 13, thereby The upstream paper supply unit 11 is in a state where there is no waste paper P. The used paper P is stored in the placement space 132 of the downstream paper feeding unit 13, but access to the downstream paper feeding unit 13 is impossible unless a predetermined unlocking operation is performed. Therefore, the used paper P cannot be taken away from either the upstream paper feeding unit 11 or the downstream paper feeding unit 13. Therefore, according to the used paper processing apparatus 1A configured as described above, it is possible to prevent the set used paper P from being stolen before the used paper processing. That is, the used paper processing apparatus 1A having the above configuration can exhibit a security function for preventing the used paper P from being stolen.

[Second Embodiment]
3 to 5 are partial longitudinal sectional views of the used paper processing apparatus of the present embodiment. The used paper processing apparatus 1B includes a paper feeding unit 3, a processing unit (not shown), and a control unit (not shown). 3 to 5 show only the sheet feeding unit 3. As the processing unit, the same processing unit as that of the processing unit 2 of the first embodiment can be adopted.

  The paper feed unit 3 is provided in the apparatus main body 101. The paper feed unit 3 includes a mounting table 31, a mounting space 32, a lifting mechanism (not shown) for the mounting table 31, an opening 331, an outer door 33, an inner door 34, and a driving mechanism 35. The mounting table 31 is provided so as to be moved up and down by the lifting mechanism in a rectangular parallelepiped mounting space 32 opened upward. The inner door 34 is provided to move in the horizontal direction as indicated by an arrow A so as to open and close the upper opening 321 of the placement space 32. 3 and 5, the inner door 34 is closed. In FIG. 4, the inner door 34 is open. The opening 331 is formed in the outer wall 1011 of the apparatus main body 101. The opening 331 is formed at a height position where the used paper P can be set on the inner door 34 in a state where the placement space 32 is closed. The outer door 33 is provided so as to move vertically as indicated by an arrow B to open and close the opening 331. 3 and 5, the outer door 33 is open. In FIG. 4, the outer door 33 is closed.

  The drive mechanism 35 includes an outer roller 351, an inner roller 352, and an annular belt 353 that connects both the rollers 351 and 352. The drive mechanism 35 opens and closes the inner door 34 in conjunction with the opening and closing of the outer door 33. That is, when the drive mechanism 35 moves so that the outer door 33 opens, the outer roller 351 rotates in the direction of arrow C, and the inner roller 352 also rotates in the direction of arrow D via the annular belt 353, and the inner roller 352 The inner door 34 is moved so as to be closed by the rotation of. Conversely, when the drive mechanism 35 moves so that the outer door 33 closes, the outer roller 351 rotates in the direction opposite to the arrow C direction, and the inner roller 352 also moves in the arrow D direction via the annular belt 353. Is rotated in the opposite direction, and the inner roller 352 is rotated to move the inner door 34 so as to open.

  The paper feed unit 3 includes a separation and delivery unit 36. The separating and sending unit 36 has the same configuration as the separating and sending unit 114 shown in FIG. The paper feed unit 3 feeds the used paper P on the placement table 31 one by one from the top to the transport path 121 by the separation and delivery unit 36 while raising the placement table 31 little by little by the lifting mechanism.

  The lifting mechanism of the mounting table 31 operates as follows. In other words, when the operation of the separating and feeding unit 36 is stopped in a state in which the outer door 33 is closed, the elevating mechanism lowers the mounting table 31 to the bottom of the mounting space 32, and the outer door 33 opens and the used paper is opened. When P is set, the outer door 33 is closed, and the start of operation of the separation and delivery unit 36 is input, the loading table 31 is raised so that the uppermost waste paper P is at the height position of the separation and delivery unit 36. It is supposed to let you. The outer door 33 is preferably locked by a lock mechanism (not shown) so that it does not open during operation of the elevating mechanism or operation of the separation / delivery unit 36.

  The used paper processing apparatus 1B having the above configuration operates as follows while each unit is controlled by the control unit. First, the operator opens the outer door 33 as shown in FIG. 3 in order to set waste paper. At this time, the drive mechanism 35 is activated as the outer door 33 moves. As a result, the inner door 34 closes the placement space 32. In this state, the operator sets the used paper P on the inner door 34 through the opening 331. The mounting table 31 is lowered to the bottom of the mounting space 32 by an elevating mechanism before the outer door 33 is opened.

  Next, the worker closes the outer door 33 as shown in FIG. At this time, with the movement of the outer door 33, the drive mechanism 35 is activated and moves so that the inner door 34 opens. At this time, the waste paper P placed on the inner door 34 is scraped off by the rear wall 322 of the placement space 32 when the inner door 34 is retracted, and is placed on the placement table 31 positioned below. When the start of operation of the separating and feeding unit 36 is input after the outer door 33 is closed, the loading table 31 on which the used paper P is placed is moved to the height position of the separating and feeding unit 36 by the lifting mechanism. It rises to become.

  Then, the separating and feeding unit 36 is operated, and the used paper P on the mounting table 31 is sent out one by one from the top, and the used paper is destroyed in the processing unit.

  On the other hand, when the operation of the separation and delivery unit 36 is stopped, the mounting table 31 is lowered to the bottom of the mounting space 32 by the lifting mechanism. Then, as shown in FIG. 5, when the operator opens the outer door 33, the drive mechanism 35 operates, and as a result, the inner door 34 closes the placement space 32. As a result, the waste paper P on the mounting table 31 is confined in the mounting space 32 by the inner door 34.

  In the used paper processing apparatus 1B having the above configuration, after the outer door 33 is opened and the used paper P is set and the outer door 33 is once closed, as shown in FIG. Is confined in the placement space 32 by the inner door 34. Therefore, according to the used paper processing apparatus 1B having the above-described configuration, it is possible to prevent the set used paper P from being stolen before the used paper processing. That is, the used paper processing apparatus 1B having the above configuration can exhibit a security function for preventing the used paper P from being stolen.

[Third Embodiment]
6 and 7 are partial longitudinal sectional views of the used paper processing apparatus of the present embodiment. The used paper processing apparatus 1C includes a paper feeding unit 5, a processing unit (not shown), and a control unit (not shown). 6 and 7 show only the paper feeding unit 5. As the processing unit, the same processing unit as that of the processing unit 2 of the first embodiment can be adopted.

  The paper feeding unit 5 is provided in the apparatus main body 101. The sheet feeding unit 5 includes a mounting table 51, an opening 521, a lifting mechanism (not shown) for the mounting table 51, a door 52, and a lock mechanism 53. The mounting table 51 is provided so as to be moved up and down by a lifting mechanism. The opening 521 is formed in the outer wall 1012 of the apparatus main body 101. The opening 521 is formed so that the used paper P can be set on the mounting table 51 through the opening 521. The door 52 is provided so as to move along the inner surface of the outer wall 1012 to open and close the opening 521. In FIG. 6, the door 52 is open. In FIG. 7, the door 52 is closed.

  In addition, the paper feeding unit 5 includes a separation and delivery unit 56. The separating and sending unit 56 has the same configuration as the separating and sending unit 114 shown in FIG. The paper feeding unit 5 is configured to send the waste paper P on the mounting table 51 to the transport path 121 one by one from the top by the separation and feeding unit 56 while raising the mounting table 51 little by little by the lifting mechanism.

  8 to 11 show the lock mechanism 53. FIG. 8 is a side view of the lock mechanism 53 in the locked state. FIG. 9 is a view taken along arrow IX in FIG. FIG. 10 is a side view of the lock mechanism 53 in the released state. FIG. 11 is a view taken along arrow XI in FIG. The lock mechanism 53 includes a hook arm 531, a link arm 532, a spring 533, and an actuator 534. The hook arm 531 has a hook portion 5311 at the upper end, and is provided to rotate between a vertical state and an inclined state around a pin 5312 at the lower end portion. When the hook arm 531 is in a vertical state, the hook portion 5311 is hooked on the lower edge 522 of the door 52, and when the hook arm 531 is in an inclined state, the hook portion 5311 is separated from the lower edge 522. The hook arm 531 is always urged by a spring 533 so as to rotate in a vertical direction. The upper end of the link arm 532 is rotatably connected to the lower end of the hook arm 531. The lower end of the link arm 532 is rotatably connected to the upper end of the rod 5341 of the actuator 534. The actuator 534 makes the rod 5341 free when there is no energization, and retracts the rod 5341 when energization occurs.

  As a result, the lock mechanism 53 operates as follows. That is, when the actuator 534 is not energized, since the rod 5341 is free, the hook arm 531 is rotated in the vertical direction by the spring 533 to be in the vertical state, and the hook portion 5311 is connected to the door 52. The door 52 is locked by being caught on the lower edge 522. On the other hand, when the actuator 534 is energized, the rod 5341 is retracted, so that the hook arm 531 is rotated in the inclined direction against the urging force of the spring 533 to be inclined, and the hook portion 5311 is moved. It leaves | separates from the lower edge 522 of the door 52, and, thereby, the lock | rock of the door 52 is cancelled | released.

  The used paper processing apparatus 1C having the above-described configuration operates as follows while each unit is controlled by the control unit. First, the operator energizes the actuator 534 to release the lock, opens the door 52 and sets the used paper P on the mounting table 51 through the opening 521 as shown in FIG.

  Next, as shown in FIG. 7, the operator closes the door 52, puts the actuator 534 of the lock mechanism 53 into a state where no power is supplied, and locks the door 52.

  Then, the separating and feeding unit 56 is activated, and the used paper P on the mounting table 51 is sent out one by one from the top to the transport path 121 and is destroyed in the processing unit.

  According to the used paper processing apparatus 1C configured as described above, the door 52 is opened, the used paper P is set, the door 52 is closed, and then the door 52 is locked by the lock mechanism 53. It is possible to prevent theft before processing. That is, the used paper processing apparatus 1C having the above-described configuration can exhibit a security function for preventing the used paper P from being stolen.

[Fourth Embodiment]
12 and 13 are longitudinal sectional views of the used paper processing apparatus of this embodiment. The used paper processing apparatus 1D includes a paper feeding unit 6, a processing unit 2, and a control unit (not shown). The processing unit 2 is the same as the processing unit 2 of the first embodiment.

  The paper feed unit 6 has a two-stage structure, and includes an upper paper feed unit 7 and a lower paper feed unit 8. A first transport unit 61 is provided between the upper sheet feeding unit 7 and the processing unit 2. The first transport unit 61 includes a transport path 611, a pair of upper and lower transport rollers 612 and 613, and a pair of left and right transport rollers 614 and 615. A second transport unit 62 is provided between the lower sheet feeding unit 8 and the processing unit 2. The second transport unit 62 includes a transport path 621 and a pair of upper and lower transport rollers 622 and 623.

  The upper paper feed unit 7 is a cassette type paper feed unit. The upper sheet feeding unit 7 includes a cassette 71, a receiving unit 75, and a lock mechanism 76. In other words, the upper paper feeding unit 7 sets the used paper in a paper feeding state by receiving the cassette 71 containing the used paper into the receiving unit 75 formed in the apparatus main body 101. FIG. 12 shows a state before the cassette 71 is received, and FIG. 13 shows a state after the cassette 71 is received. When the cassette 71 is received in the receiving portion 75, the cassette 71 is locked to the apparatus main body 101 by the lock mechanism 76, that is, fixed to the apparatus main body.

  14 to 19 show the cassette 71 in a state before being received, that is, in a normal state. FIG. 14 is a front perspective view of the cassette 71. FIG. 15 is a rear perspective view of the cassette 71. 16 is a cross-sectional view taken along the line XVI-XVI in FIG. FIG. 17 is a perspective side view of the cassette 71. FIG. 18 is a perspective plan view of the cassette 71. FIG. 19 is a front perspective view of the cassette 71.

  The cassette 71 is a rectangular parallelepiped housing. The rear wall 721 is formed with a horizontal slit 711 for feeding waste paper into the interior. FIG. 16 shows a state in which the used paper P is stored. The upper wall 722 is provided with a bracket 713 that can move along the plurality of parallel slits 712 and along the upper wall 722. Pins 7131 and 7132 pass through the slit 712 and are fixed to the lower surface of the bracket 713. The bracket 713 is guided along the slit 712 by pins 7131 and 7132. A spring 717 is provided between the pin 7131 and the pin 7221 fixed to the lower surface of the upper wall 722. The bracket 713 is always pulled forward by a spring 717. The bracket 713 has a downward flange 714 extending inside the cassette 71 at both edges. Horizontal shafts 715 are provided at both ends of the upper edge of the cover plate 723 constituting the front wall of the cassette 71. Each flange 714 rotatably supports a horizontal shaft 715. Thereby, as shown in FIG. 20, the cover plate 723 is rotatable with respect to both flanges 714 about both horizontal shafts 715 as fulcrums. The cover plate 723 is always urged in the closing direction, that is, the arrow R direction, by a torsion spring (not shown) provided on each horizontal shaft 715. As shown in FIG. 21, when the bracket 713 moves rearward, the cover plate 723 is lifted rearward together with the horizontal shaft 715 along the stepped portion 716 formed horizontally on the inner surfaces of the both side walls 724. And is stored horizontally in the cassette 71.

  A lock mechanism 73 for fixing the bracket 713 to the upper wall 722 is provided on the lower surface of the upper wall 722. 22 and 23 are enlarged perspective views of the lock mechanism 73. FIG. 22 shows a locked state, and FIG. 23 shows a released state. The lock mechanism 73 includes a hook arm 731, a link arm 732, a spring 733, and an actuator 734. The hook arm 731 has a hook portion 7311 at the tip, and is provided to rotate between a parallel state and an inclined state with respect to the slit 712 around a pin 7312 at the base end portion. When the hook arm 731 is in the parallel state, the hook portion 7311 is hooked on the pin 7132 of the bracket 713, and when the hook arm 731 is in the inclined state, the hook portion 7311 is separated from the pin 7132. The hook arm 731 is always urged by a spring 733 so as to rotate in a parallel direction. A distal end of a link arm 732 is rotatably connected to the central portion of the hook arm 731. The base end of the link arm 732 is rotatably connected to the tip of the rod 7341 of the actuator 734. The actuator 734 makes the rod 7341 free when there is no energization, and retracts the rod 7341 when energization occurs.

  As a result, the lock mechanism 73 operates as follows. That is, when the actuator 734 is not energized, the rod 7341 is free, so that the hook arm 731 is rotated in the parallel direction by the spring 733 and the hook portion 7311 is connected to the bracket 713. The bracket 713 is locked with respect to the upper wall 722 by being caught by the pin 7132. On the other hand, when the actuator 734 is energized, the rod 7341 is retracted, so that the hook arm 731 is rotated in a tilting direction against the urging force of the spring 733, and the hooking portion 7311 is tilted. The bracket 713 is separated from the pin 7132, thereby releasing the lock on the upper wall 722 of the bracket 713.

  24 and 25 are perspective views of the pair of connectors 736 and 737. FIG. A concave connector 736 is provided at the front center of the upper surface of the bracket 713. The concave portion 7361 of the connector 736 is open forward. On the other hand, a convex connector 737 is provided on the upper surface of the receiving portion 75. The convex portion 7371 of the connector 737 faces the entrance of the receiving portion 75. The pair of connectors 736 and 737 are connected and electrically connected by fitting the convex portion 7371 of the connector 737 into the concave portion 7361 of the connector 736. The connector 736 is connected to the actuator 734 via electric wiring. When the two connectors 736 and 737 are connected, the lock mechanism 73 operates to release the lock because the actuator 734 is energized. When the both connectors 736 and 737 are separated from each other, the actuator 734 is deenergized. It operates so as to be locked by the urging force. Both connectors 736 and 737 are connected when the cassette 71 starts to be inserted into the receiving portion 75. The connector 737 functions to push the connector 736 backward together with the bracket 713 as the cassette 71 is further inserted into the receiving portion 75. FIG. 26 is a perspective plan view of the cassette 71 with the bracket 713 moved rearward.

  The receiving portion 75 is provided with a lock mechanism 76 for fixing the cassette 71 in a receiving state. The lock mechanism 76 has the same configuration as the lock mechanism 53 of the third embodiment. That is, the lock mechanism 76 includes a hook arm 531, a link arm 532, a spring 533, and an actuator 534. However, the hooking portion 5311 of the hooking arm 531 is hooked in the hole 719 (FIGS. 14, 19, and 28) on the side edge of the front wall of the cassette 71.

  As shown in FIG. 27, an L-shaped receiving member 77 composed of a vertical plate 771 and a horizontal plate 772 is provided inside the cassette 71. The L-shaped receiving member 77 is arranged so that the rear part of the used waste paper P is placed on the horizontal plate 772. The L-shaped receiving member 77 is provided so as to be movable in the front-rear direction. FIG. 28 is a lower perspective view of the cassette 71. A plurality of slits 7251 parallel to the slits 712 of the upper wall 722 are formed in the lower wall 725 of the cassette 71. A pin 7721 passes through the slit 7251 and is fixed to the lower surface of the horizontal plate 772. The L-shaped receiving member 77 is guided along the slit 7251 by a pin 7721. In a state where the cassette 71 is received by the receiving portion 75, that is, in a state where the cover plate 723 is opened, the L-type receiving member 77 is moved by the drive mechanism (not shown) provided in the apparatus main body 101 with the pin 7721. By moving forward, as shown in FIG. 27, the used paper P is moved forward while being placed on the horizontal plate 772.

  In addition, the paper feeding unit 7 includes a separation and delivery unit 78. The separating and sending unit 78 has the same configuration as the separating and sending unit 114 shown in FIG. The paper feeding unit 7 feeds the used paper P, which has been moved forward from the cassette 71 by the L-shaped receiving member 77, to the transport path 611 one by one from the top by the separating and feeding unit 78.

  The lower paper feed unit 8 includes a mounting table 81, a lifting mechanism (not shown) for the mounting table 81, and a separation and delivery unit 82. The separating and sending unit 82 has the same configuration as the separating and sending unit 114 shown in FIG. The lower sheet feeding unit 8 feeds the used paper P set on the placing table 81 to the conveying path 621 one by one from the top by the separating and feeding unit 82 while raising the placing table 81 little by little by the lifting mechanism. It has become.

  The used paper processing apparatus 1D having the above configuration operates as follows while each unit is controlled by the control unit. First, the operator puts the waste paper P that is in trouble if stolen into the cassette 71 and sets the waste paper P that does not inconvenience even if stolen on the mounting table 81 of the lower sheet feeder 8. . Here, “used paper that is troubled if stolen” refers to used paper on which information that may be disadvantageous if leaked, such as confidential information, is described.

  Next, the operator inserts the cassette 71 containing the waste paper P into the receiving portion 75. At this time, the cassette 71 operates as follows. First, the connector 737 is connected to the connector 736, whereby the lock mechanism 73 releases the lock on the upper wall 722 of the bracket 713. Thereby, the bracket 713 can be moved. Next, as the cassette 71 is inserted, the connector 737 moves the connector 736 and the bracket 713 to the rear of the cassette 71. As a result, the lid plate 723 is pulled up and accommodated in the cassette 71. That is, the front wall of the cassette 71 is opened. Thus, the cassette 71 is received in the receiving portion 75.

  Next, the lock mechanism 76 is activated, and the cassette 71 is locked with respect to the apparatus main body 101 while being received in the receiving portion 75. As a result, the cassette 71 cannot be removed from the receiving portion 75.

  Further, the drive mechanism on the apparatus main body 101 side is operated, and the L-shaped receiving member 77 is moved forward with the waste paper P. As a result, the used paper P is set in the paper feeding state shown in FIG.

  In the upper sheet feeding unit 7, the separating and feeding unit 78 is operated, and the used paper P in the cassette 71 is sent out one by one from the top to the conveyance path 611, and further, the conveyance rollers 612 and 613 and the conveyance rollers 614, By 615, it is conveyed to the processing unit 2.

  On the other hand, in the lower paper feed unit 8, the separation and delivery unit 82 is operated, and the used paper P on the mounting table 81 is sent out from the top to the transport path 621 one by one, and further processed by the transport rollers 622 and 623. It is conveyed to part 2.

  Then, the waste paper P conveyed to the processing unit 2 is shredded by the rotary cutters 21 and 22 and stored in the container 23 as fine fragments.

  Thus, the destruction process of the waste paper P is completed.

  In the used paper processing apparatus 1D having the above-described configuration, the used paper P that is in trouble if stolen is first stored in the cassette 71. In the normal state before the cassette 71 is received by the receiving portion 75, the bracket 713 is locked with respect to the upper wall 722 by the lock mechanism 73, so that the lid plate 723 is not opened. That is, the cassette 71 is in a state where the used waste paper P cannot be taken out in a normal state. Therefore, the cassette 71 can exhibit a security function for preventing the used paper P from being stolen.

  Further, when the cassette 71 is received in the receiving portion 75, the cassette 71 is locked with respect to the apparatus main body 101 by the lock mechanism 76 and cannot be taken out from the receiving portion 75. Therefore, the used paper processing apparatus 1D configured as described above can prevent the cassette 71 from being stolen together with the used paper P in the upper sheet feeding unit 7, that is, can exhibit a security function for preventing the used paper P from being stolen.

  In addition, the used paper processing apparatus 1D having the above-described configuration includes a lower paper feeding unit 8 that performs normal paper feeding in addition to the upper paper feeding unit 7 capable of exhibiting a security function, so that the used paper can be prevented from being stolen. However, waste paper can be processed efficiently.

[Modified configuration]
(1) The first embodiment may adopt the following modified configuration. 29 to 31 are longitudinal sectional views showing the used paper processing apparatus 1E having this configuration. In the apparatus 1E, a transport mechanism 17 that transports the used paper P on the mounting table 111 to the mounting table 131 in a stacked state is provided between the upstream paper feeding unit 11 and the downstream paper feeding unit 13. Yes. Further, the upstream paper feeding unit 11 conveys the used paper P to the processing unit 2 without going through the downstream paper feeding unit 13. The transport mechanism 17 includes a transport mechanism 172 including a space passage 171 that connects the space on the mounting table 111 and the space on the mounting table 131, and a plurality of transport rollers 1721 provided on the bottom surface of the space passage 171. , And a door 173 that opens and closes the outer opening 1731 of the space passage 171.

  In this configuration, as shown in FIG. 29, when the used paper P is placed on the placing table 111, the door 173 moves downward and opens. Next, when the operator pushes the used paper P into the space passage 171, the used paper P is transported by the transport mechanism 172 and placed on the mounting table 131. Then, as shown in FIG. 30, the door 173 moves upward and closes. As a result, the used paper P set in the upstream paper supply unit 11 is confined in the apparatus main body 101. Therefore, according to this apparatus 1E, it is possible to prevent the set used paper P from being stolen before the used paper processing. That is, the device 1E can exhibit a security function for preventing the used paper P from being stolen.

  The transport mechanism 172 may be configured by a transport belt instead of the transport roller 1721. In addition, a drive mechanism (not shown) for automatically pushing the used paper P on the mounting table 111 into the space passage 171 may be provided.

  In addition, as shown in FIG. 31, “used paper P that does not need to be stolen” is transported from the separating and sending unit 114 toward the processing unit 2 by appropriately raising and lowering the mounting table 111.

(2) The lock mechanism 53 of the third embodiment and the lock mechanisms 73 and 76 of the fourth embodiment are not limited to the electric lock as described above, and may be a manual lock. Further, as a method for releasing the lock, a method using a key, a personal identification number, biometric authentication, or an electronic key may be employed.

(3) The following unlocking operation described in the above embodiment may require authentication using a password or ID, and may further record the unlocked person by the authentication. Further, when recording the unlocked person, the state of the used paper processing apparatus at that time may be recorded. For example, the content “stopped due to paper jam error in the paper feeding unit / worker X unlocked” is recorded. According to this, it is possible to manage who is unlocked when the used paper processing apparatus is in what state.
-Unlocking operation for accessing from outside the apparatus main body 101 in the first embodiment.
-Unlocking operation of the locking mechanism of the outer door 33 in the second embodiment.
-Unlocking operation of the lock mechanism 53 in the third embodiment.
-Unlocking operation of the lock mechanism 76 in the fourth embodiment.

(4) In the fourth embodiment, the arrangement of the upper sheet feeder 7 and the lower sheet feeder 8 may be interchanged. In addition, a plurality of upper sheet feeding units 7 and lower sheet feeding units 8 may be provided.

  Since the used paper processing apparatus of the present invention can improve the working efficiency of used paper processing while preventing theft of used paper, it has great industrial utility value.

  DESCRIPTION OF SYMBOLS 1, 3, 5, 6 Paper feeding part 2 Processing part 11 Upstream side paper feeding part 13 Downstream side paper feeding part 101 Apparatus main body 31,51 Mounting stand 32 Mounting space 33 Outer door 331, 521 Opening 34 Inner door 35 Drive mechanism 321 Upper opening 52 Door 53, 76 Lock mechanism 71 Cassette 75 Receiving part

Claims (1)

In a used paper processing apparatus comprising: a processing unit that destroys used paper; and a paper feeding unit that continuously supplies the used paper to the processing unit.
A paper feed unit is provided in the apparatus main body, a mounting table on which used paper is set, a mounting space in which the mounting table is raised and lowered, an elevating mechanism for moving the mounting table up and down, and an apparatus main body for setting used paper An opening formed in the opening, an outer door that opens and closes the opening, an inner door that opens and closes the upper opening of the mounting space, and when the outer door is opened, the mounting table is lowered and the upper opening of the mounting space is closed And a drive mechanism for operating the inner door, so as to supply used paper on the mounting table in the raised position to the processing unit,
The paper feeding unit was set by closing the space on the mounting table so that when the outer door was opened, the inner door closed the upper opening of the mounting space and concealed the used paper on the mounting table. A security function that prevents third parties from accessing the used paper to prevent theft of the used paper
Waste paper processing apparatus characterized by the above.

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