JP5001743B2 - Stacker device - Google Patents

Description

  The present invention relates to a stacker device that stacks paper pieces such as tags issued and printed from a printer, and more particularly to a stacker device that stacks paper pieces from the lower surface side.

  As a stacker device that stacks paper pieces to be printed and issued from a printer, the stacker device includes a bottom plate, a side wall plate, a stopper portion standing on the bottom plate, and a drawing means for drawing the paper pieces along the top surface of the bottom plate. 2. Description of the Related Art A stacker device is known in which the leading ends of drawn paper pieces are brought into contact with a stopper portion, and paper pieces to be printed are sequentially stacked from the lower side and stacked.

  In this type of stacker device, it is necessary to move and fix the stopper portion in the pull-in direction according to the length of the paper pieces, and to secure a space for removing the stacked paper pieces. A magnetic force was used to fix the stopper so that the stopper portion could be easily moved and removed (see, for example, Patent Document 1).

  However, in the prior art, when removing the stacked paper pieces, it is necessary to remove the stopper portion against the magnetic force. Therefore, when removing the stopper portion, a wasteful initial attractive force is applied by the magnetic force, and the stopper is vigorously driven. Removing the part may cause the stacked paper pieces to scatter, and even when the same size paper pieces are stacked again, the stopper must be positioned again, resulting in poor operability. was there.

  In addition, in the conventional technology, the stopper and the bottom plate are fixed by magnetic force. Therefore, when the stopper is moved in the pull-in direction, a magnetic force is applied. When the stopper is attached to the bottom plate, the position is adjusted. Is difficult.

JP-A-5-330720

  The present invention has been made in view of such a problem, and an object of the present invention is to easily remove the stacked paper pieces without removing the stopper portion, and to scatter the stacked paper pieces. In addition, when stacking paper pieces of the same size again, there is no need to reposition the stopper portion, and a stacker device with good operability is provided.

  Furthermore, an object of the present invention is to provide a stacker device that can easily adjust the position even when the stopper portion is attached to the bottom plate.

In order to solve the above problems, the present invention has the following configuration.
A bottom plate, a side wall plate, stopper means standing on the bottom plate, and drawing means for drawing a paper piece to be issued along the upper surface of the bottom plate, and a tip of the paper piece drawn by the drawing means A stacker device that abuts against the stopper means and sequentially stacks the issued paper pieces from below, and the stopper means abuts against the leading edge of the paper pieces drawn in by the drawing-in means. A standing part having a surface, a slide part placed on the bottom plate so as to be slidable in the drawing direction of the paper piece, and a rotation shaft for rotatably attaching the standing part to the slide part, provided in the sliding portion, comprising a fixing means for fixing said sliding portion to said bottom plate, and a protruding piece that protrudes from the contact surface to the lower end of the standing portion, said securing means Thus the standing portion of the slide portion in a state fixed to the bottom plate, the a first state in which vertical abutment surface relative to the bottom plate, the standing portion from the first state by rotating, the upper end of the abutment surface is moved in the pulling direction downstream side of the paper, the Ri abutment surface is displaceable der and a second state of being inclined from the vertical direction relative to the bottom plate , the protruding piece is not in contact with the piece of paper drawn in the first state, push the paper drawn in the second state you said Rukoto.
In addition , the bottom plate is erected on a rack portion parallel to the side wall plate with a space more than the maximum width of the side wall plate, and the fixing means sandwiches the rack portion and slides the slide. part characterized in that the a clip means for securing to the bottom plate.
Further, a magnet is attached to the lower surface of the standing portion, and a ferromagnetic material is attached to a position of the slide portion facing the magnet.
Further, the standing portion is formed with a position restricting piece slidably contacting the rotating shaft, and a leaf spring for pressing the position restricting piece toward the rotating shaft is attached, and the stopper means In the state where no external force acts on, the rotation of the standing portion is restricted.

  The stacker device according to the present invention has, as a stopper means, a standing part having a contact surface with which the leading end of the paper piece drawn in by the drawing means comes into contact, and a slide part placed on the bottom plate so as to be slidable in the drawing direction of the paper piece. And a pivot shaft that rotatably attaches the standing portion to the slide portion, and a fixing means that is provided on the slide portion and fixes the slide portion to the bottom plate. By rotating the standing portion from the first state perpendicular to the first state and the first state, the upper end side of the contact surface is moved to the downstream side in the drawing direction of the paper piece, and the contact surface is Since the second state inclined from the vertical direction with respect to the bottom plate is configured to be displaceable, the standing portion is only rotated and displaced to the second state while the slide portion is fixed to the bottom plate by the fixing means. And stack the pieces of paper Space can be secured, so the stacked paper pieces can be easily removed without removing the stopper, and the stacked paper pieces will not be scattered, and the same size paper pieces will be stacked again. In this case, there is no need to perform positioning of the stopper portion again, and the operability is improved.

  Furthermore, the stacker device of the present invention protrudes from the abutting surface at the lower end of the standing portion by protruding a protruding piece that pushes up the drawn paper piece in the second state without contacting the drawn paper piece in the first state. By providing, the standing portion is rotated to displace to the second state, and when the stacked paper pieces are removed, the stacked paper pieces are pushed up by the protruding pieces, so that the stacked paper pieces are easily gripped. In particular, there is an effect that even a short piece of paper can be easily removed.

  Furthermore, the stacker device of the present invention is configured such that a rack portion parallel to the side wall plate is provided on the bottom plate with an interval more than the maximum width of the side wall plate, and the rack portion is sandwiched by clip means which is a fixing means. Since it is not necessary to fix the stopper part and the bottom plate by magnetic force, it is necessary to operate the clip means to release the fixation between the slide part and the bottom plate. Even in the state where it is attached to the position, it is possible to easily adjust the position.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a schematic side view showing the configuration of the embodiment of the stacker apparatus according to the present invention, and FIG. 2 is a schematic perspective view showing the configuration of the embodiment of the stacker apparatus according to the present invention. FIG. 4 is a schematic front view showing the configuration of the pressing roller mounting mechanism shown in FIG. 2, FIG. 4 is a schematic side view showing the configuration of the pressing roller mounting mechanism shown in FIG. 2, and FIG. 6 is a schematic side view showing the configuration of the side wall plate as viewed from the back side, FIG. 6 is a schematic side view showing the configuration of the stopper portion shown in FIG. 2, and FIG. It is a schematic front view which shows the 2nd state rotated.

  Referring to FIG. 1, the stacker device 1 according to the present embodiment is a device that stacks tags 6 that are printed and issued as paper pieces from the printer 5, and is installed and used on the downstream side from which the tags 6 are issued from the printer 5. It is done.

  The printer 5 may be of any type as long as it issues a piece of paper to be stacked by the stacker device 1. For example, a continuous tag body in which a strip of cardboard or the like is wound into a roll 7, a paper supply unit 51 that holds the thermal transfer ribbon 8 wound in a roll shape, a printing unit that includes a thermal head 53, a platen roller 54, and a tag continuum 7 after printing. The thermal transfer printer provided with the cutting mechanism 55 which cut | disconnects can be used.

  The printer 5 sandwiches and conveys the continuous tag body 7 and the thermal transfer ribbon 8 between the thermal head 53 and the platen roller 54, and selectively generates heat from the heating element of the thermal head 53. After the ink is transferred to the tag continuum 7 and printing is performed, the tag 6 is printed as a piece of paper by being cut into a predetermined length by the cutting mechanism 55.

  Referring to FIG. 2, the stacker device 1 is installed on the side where the tag 6 is printed and issued from the printer 5, the three drawing belts 12 that draw the tag 6 printed and issued from the printer 5 into the bottom plate 11, and the tag 6. A side wall plate 13 that regulates the side surface of the tag 6, a stopper portion 14 that regulates the tip of the tag 6 drawn into the bottom plate 11, and an upper surface side (printing surface) of the tag 6 that is positioned on the top surface of the stacked tag 6. The tag 6 that is pressed downward by the pull-in belt 12 is brought into contact with the stopper 14 and sequentially stacked and stacked from below.

  The bottom plate 11 is disposed so as to incline with a downward slope with respect to the pulling direction of the tag 6, has a groove 16 parallel to the pulling direction of the tag 6, and a rack for positioning the stopper portion 14. The portion 17 is erected in parallel with the side wall plate 13 with an interval more than the maximum width tag 6.

  The pull-in belt 12 is arranged in parallel with the pull-in direction of the tag 6 so that the pull-in surface that comes into contact with the back side of the tag 6 slightly protrudes from the bottom plate 11 and is pulled in by a drive motor (not shown). The surface is driven so as to move in the pull-in direction of the tag 6. Further, at a position where the tag 6 issued and issued from the printer 5 reaches the drawing belt 12, a pressing roller 18 that sandwiches the tag 6 issued and issued from the printer 5 with the drawing belt 12 is parallel to the bottom plate 11. The tag 6 printed and issued from the printer 5 is nipped and conveyed by the pressing roller 18 and the pull-in belt 12 and pulled into the bottom plate 11.

  The pressing roller 18 is stretched between the side wall plate 13 and a support portion 19 erected on the bottom plate 11 so as to face the side wall plate 13 with an interval of the maximum width tag 6 or more. Referring to FIG. 2, a rotating shaft 21 that is loosely inserted in a long hole 20 formed in each of the side wall plate 13 and the support portion 19 so as to be movable in the vertical direction is connected to the rotating shaft 21 via a connecting member 22. It is attached to be eccentric. In this embodiment, the rotation shaft 21 is divided and provided. However, the long holes 20 formed at both ends of the rotation shaft 21 in the side wall plate 13 and the support portion 19, respectively. You may comprise so that each may be loosely inserted.

  Referring to FIGS. 3 and 4, the end of the rotation shaft 21 that is loosely inserted into the long hole 20 formed in the support portion 19 is configured to rotate the rotation restriction plate 23 and the rotation shaft 21. Part 24 is provided, and the operating part 24 is operated to rotate the rotary shaft 21, thereby providing the support part 19 as shown in FIGS. 3 (a) and 4 (a). As shown in FIGS. 3 (b) and 4 (b), the first position where the rotation restricting plate 23 is positioned by the positioning shaft 25 and the pressing roller 18 is pressed against the pull-in belt 12, and the support portion The rotation restricting plate 23 is positioned by a positioning shaft 25 provided at 19 so that the pressing roller 18 is separated from the pull-in belt 12 and can be switched between the pull-in belt 12 and a second position arranged at intervals. It is like that.

  The first position where the pressing roller 18 is pressed against the pull-in belt 12 is a state adopted when the tag 6 issued by the printer 5 is stacked. In the first position, the first position shown in FIG. 4 (a) and 4 (a), the rotation shaft 21 and the pressing roller 18 are arranged in a substantially vertical direction, and below the long holes 20 formed in the side wall plate 13 and the support portion 19, respectively. The rotating shaft 21 is not in contact with the rotating shaft 21, and the rotating shaft 21 is urged by the spring S in the direction of the pulling belt 12, and the pressing roller 18 is pressed against the pulling belt 12. As a result, the tag 6 printed and issued from the printer 5 is nipped and conveyed by the pressing roller 18 and the pull-in belt 12 as shown in FIG. 4A, and the tip of the tag 6 is already laminated. It will be pulled in so as to sink into the back side.

  The second position where the pressing roller 18 is arranged at a distance from the pull-in belt 12 is employed when the tag 6 printed by the printer 5 is issued in the state of the tag continuous body 7 without being separated. In the second position, as shown in FIGS. 3 (b) and 4 (b), the rotating shaft 21 and the pressing roller 18 are disposed in a substantially horizontal direction, and the side wall plate 13 and the support are supported. The rotating shaft 21 comes into contact with the lower part of the long hole 20 formed in each of the portions 19, and the entire width direction of the pressing roller 18 is arranged at a predetermined interval from the drawing belt 12 (bottom plate 11). Accordingly, the tag 6 issued in the state of the tag continuous body 7 without being separated from the printer 5 is sent to the downstream side through the gap between the pressing roller 18 and the pull-in belt 12 (bottom plate 11), and the user Can obtain the tag 6 in the state of the continuous tag body 7 without changing the installation location of the stacker device 1, and can be wound by a winding device installed further downstream of the stacker device 1. it can.

  Referring to FIGS. 2 and 5, the side wall plate 13 is formed with a first guide groove 26 and a second guide groove 27 in the stacking direction of the tag 6, and is weighted on the back side of the side wall plate 13. A pressing portion 15 provided with 28 is mounted so as to be movable up and down along the first guide groove 26, and a sensor position adjusting portion 30 provided with a stack full detection sensor 29 on the back side of the side wall plate 13 includes a first sensor position adjusting portion 30. The two guide grooves 27 are attached so as to be movable up and down.

  The pressing unit 15 is a pressing unit that presses downward from the upper surface side (printing surface) of the tag 6 so that the stacking tag 6 can always be correctly stacked even when the tag 6 to be stacked is curled. It is located on the uppermost surface of the tag 6. Accordingly, every time the newly issued tag 6 is drawn below the stacked tag 6, the pressing portion 15 is lifted by the stacked tag 6 and moved upward along the first guide groove 26. The The pressing portion 15 is made of a conductive material such as a grounded metal plate, and has a role of discharging static electricity accumulated in the stacked tags 6.

  The stack full detection sensor 29 provided in the sensor position adjusting unit 30 is a sensor that detects the pressing unit 15 that is moved upward along the first guide groove 26 along with the stack of the tags 6. Therefore, a mechanical sensor that detects the pressing portion 15 or an optical sensor that optically detects the pressing portion 15 can be used. The stack full detection sensor 29 is configured to be fixed at the positions shown in FIGS. 3A and 3B by raising and lowering the sensor position adjusting unit 30 along the second guide groove 27. The height for detecting the stack full can be switched. Further, in the first guide groove 26, concave portions 31 are respectively formed at locations where the pressing portion 15 is detected by the stack full detection sensor 29, that is, locations where the pressing portion 15 is positioned when the stack full is detected. When the stack full is detected and the stacked tag 6 is removed, the pressing portion 15 is locked to the recess 31 so that the stacked tag 6 can be removed without being obstructed by the pressing portion 15. It has become.

  2 and 6, the stopper portion 14 is mounted on the bottom plate 11 so as to be slidable in the pull-in direction of the tag 6 and a standing portion 33 having a contact surface A with which the tip of the pulled-in tag 6 contacts. The standing portion 33 is provided by a rotating shaft 35 provided on the rear lower end side of the standing portion 33, that is, on the downstream side in the drawing direction of the tag 6 with respect to the contact surface A. As shown in FIG. 2 and FIG. 6A, the first state where the abutment surface A is perpendicular to the bottom plate 11 and the state shown in FIG. As shown, the upper end side is moved to the downstream side in the pulling direction of the tag 6, and the contact surface A can be switched between the second state inclined from the vertical direction with respect to the bottom plate 11.

  The tag 6 that slides in the width direction of the tag 6 according to the size of the tag 6 in the width direction and is drawn into contact with the contact surface A of the standing portion 33 on the contact surface A of the standing portion 33. A guide portion 36 for positioning in the width direction is provided, and the lower end of the standing portion 33 is not in contact with the tag 6 that is drawn below the pull-in belt 12 in the first state, In the second state, a protruding piece 37 is provided so as to protrude from the contact surface A to push up the tag 6 that is positioned above the pulling belt 12 and pulled up.

  In addition, referring to FIG. 6, the standing portion 33 is formed with a position restricting piece 38 slidably contacting the turning shaft 35, and the position restricting piece 38 is directed to the turning shaft 35 on the slide portion 34. A plate spring 39 is attached to press the stopper portion 14 so as to restrict the rotation of the stopper portion 14 when no external force acts on the stopper portion 14. Further, referring to FIG. 7, the magnet 40 is attached to the lower surface of the standing portion 33, and the upper surface of the slide portion 34 is made of a ferromagnetic material such as iron at a position facing the magnet 40. In the first state in which the metal plate 41 is attached and the contact surface A is perpendicular to the bottom plate 11, the magnet 40 and the metal plate 41 are attracted and the tip of the drawn tag 6 is brought into contact. Even if it contacts the contact surface A, the first state is maintained without the standing portion 33 being rotated.

  Referring to FIGS. 6 and 7, a guide piece 42 is formed on the bottom surface of the slide portion 34 so as to be fitted into the groove portion 16 formed in the bottom plate 11, and the slide portion 34 is tagged along the groove portion 16. 6 is slidable in the pull-in direction. Further, the slide portion 34 is provided with a clip portion 43 that sandwiches the rack portion 17, and the slide portion 34 is engaged by engaging a groove formed in the rack portion 17 with a claw formed in the clip portion 43. Is positioned.

Next, the stack operation in the stacker device 1 of the present embodiment will be described in detail.
First, the stacker device 1 is installed at a position where the tag 6 printed and issued from the printer 5 reaches the pull-in belt 12 on the side where the tag 6 is printed and issued from the printer 5.

  Next, the operating unit 24 is operated to rotate the rotating shaft 21, whereby the pressing roller 18 is shifted to the first position where the pulling belt 12 is pressed, and printing is issued from the printer 5. According to the length of the tag 6, the stopper portion 14 in the first state in which the contact surface A is perpendicular to the bottom plate 11 is moved in the pull-in direction of the tag 6, and the rack portion 17 is sandwiched by the clip portion 43. Thus, the slide portion 34 of the stopper portion 14 is positioned, and the guide portion 36 is moved in the width direction of the tag 6 according to the width of the tag 6 to be positioned. Further, the height at which the stack full is detected is determined by raising and lowering the sensor position adjusting unit 30 along the second guide groove 27 in accordance with the thickness and size of the tag 6 printed and issued from the printer 5.

  When the tag 6 is printed and issued from the printer 5 in this state, the tip of the tag 6 printed and issued from the printer 5 reaches between the pulling belt 12 and the pressing roller 18, and the pressing roller 18 and the pulling belt 12 It is nipped and transported, and the leading end of the tag 6 is drawn into the back side of the tag 6 already stacked, and the same operation is repeated until the stack full detection sensor 29 detects the stack full.

  When the stack full is detected by the stack full detection sensor 29 and the stacked tag 6 is removed, the first contact surface A is perpendicular to the bottom plate 11 without releasing the positioning of the slide portion 34. By moving the standing portion 33 of the stopper portion 14 in the state of FIG. 6 in the direction indicated by the arrow in FIG. 6A, the contact surface A is shifted to the second state inclined from the vertical direction with respect to the bottom plate 11. Let As a result, the stacked tag 6 is pushed up by the protruding piece 37 provided at the lower end of the standing portion 33, as shown in FIG. Since the space to be removed is secured by the inclination of the surface A, the stacked tags 6 can be easily removed. In particular, even when the stacked tags 6 have a small pitch with a short length and are difficult to grasp when stacked on the bottom plate 11, by shifting to the second state, as shown in FIG. The whole stacked tag 6 is pushed up, and the stacked small pitch tag 6 can be easily removed. As described above, the stacked tags 6 can be easily removed without releasing the positioning of the stopper portion 14. Therefore, when stacking the same size tags 6, the standing portion 33 is rotated. It is not necessary to position the stopper portion 14 simply by returning to the first state.

  As described above, according to the present embodiment, as the stopper portion 14, the standing portion 33 having the contact surface A with which the tip of the tag 6 drawn in by the drawing belt 12 comes into contact, and the direction in which the tag 6 is drawn in The slide part 34 is slidably mounted on the bottom plate 11, the pivot shaft 35 is attached to the slide part 34 so as to be pivotable with respect to the slide part 34, and the slide part 34 is provided with the slide part 34. A clip portion 43 that is fixed to the bottom plate 11, and the standing portion 33 is moved in a first state in which the contact surface A is perpendicular to the bottom plate 11, and the standing portion 33 is rotated from the first state. By moving, the upper end side of the contact surface A is moved to the downstream side in the pull-in direction of the tag 6, and the second state in which the contact surface A is inclined from the vertical direction with respect to the bottom plate 11 is configured to be displaceable. By the clip part 43, Thus, the space for removing the stacked tag 6 can be secured by merely rotating the standing portion 33 and displacing it to the second state while the slide portion 34 is fixed to the bottom plate 11. The stacked tag 6 can be easily removed without removing the tag, and the stacked tag 6 is not scattered, and when the same size tag 6 is stacked again, the positioning of the stopper portion 14 is performed. There is no need to perform again, and the operability is improved.

  Further, according to the present embodiment, the projecting piece 37 that pushes up the tag 6 pulled in the second state without touching the tag 6 pulled in the first state is applied to the lower end of the standing portion 33. Protruding from the contact surface A, the standing portion 33 is rotated and displaced to the second state, and when the stacked tag 6 is removed, the stacked tag 6 is pushed up by the protruding piece 37. The stacked tags 6 can be easily grasped, and in particular, the tag 6 having a short length can be easily removed.

  Furthermore, according to the present embodiment, the rack portion 17 parallel to the side wall plate 13 is erected on the bottom plate 11 with an interval of the side wall plate 13 and the maximum width tag 6 or more, and the rack portion 17 is attached by the clip portion 43. Since it is not necessary to fix the stopper part 14 and the bottom plate 11 by magnetic force by configuring the slide part 34 to be fixed to the bottom plate 11 by sandwiching, the clip part 43 is operated and the slide part 34 and the bottom plate 11 are fixed. Even if the stopper portion 14 is attached to the bottom plate 11 simply by releasing the fixing, the position can be easily adjusted.

  Note that the present invention is not limited to the above-described embodiments, and it is obvious that the embodiments can be appropriately changed within the scope of the technical idea of the present invention. In addition, the number, position, shape, and the like of the constituent members are not limited to the above-described embodiment, and can be set to a suitable number, position, shape, and the like in practicing the present invention. In each figure, the same numerals are given to the same component.

It is a schematic side view which shows the structure of embodiment of the stacker apparatus which concerns on this invention. It is a schematic perspective view which shows the structure of embodiment of the stacker apparatus which concerns on this invention. It is a schematic front view which shows the structure of the attachment mechanism of the press roller shown in FIG. It is a schematic side view which shows the structure of the attachment mechanism of the press roller shown in FIG. It is a schematic side view which shows the structure which looked at the side wall board shown in FIG. 2 from the back surface side. It is a schematic side view which shows the structure of the stopper part shown in FIG. It is a schematic front view which shows the 2nd state to which the stopper part shown in FIG. 2 was rotated.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Stacker apparatus 5 Printer 6 Tag 7 Tag continuous body 8 Thermal transfer ribbon 11 Bottom plate 12 Pull-in belt 13 Side wall plate 14 Stopper part 15 Press part 16 Groove part 17 Rack part 18 Press roller 19 Support part 20 Long hole 21 Rotating shaft 22 Connecting member 23 Rotation restricting plate 24 Operation section 25 Positioning shaft 26 First guide groove 27 Second guide groove 28 Weight 29 Stack full detection sensor 30 Sensor position adjustment section 31 Recess 33 Standing section 34 Slide section 35 Rotation shaft 36 Guide section 37 Projection piece 38 Position restriction piece 39 Leaf spring 40 Magnet 41 Metal plate 42 Guide piece 43 Clip part 51 Paper supply part 52 Ribbon supply shaft 53 Thermal head 54 Platen roller 55 Cutting mechanism

Claims (4)

A bottom plate, a side wall plate, stopper means standing on the bottom plate, and drawing means for drawing the paper piece to be issued along the upper surface of the bottom plate, and the tip of the paper piece drawn by the drawing means is A stacker device that abuts against the stopper means and sequentially stacks and stacks the issued paper pieces from below,
The stopper means includes a standing portion having a contact surface with which a tip of the paper piece drawn in by the drawing means comes into contact;
A slide portion placed on the bottom plate so as to be slidable in the drawing direction of the paper piece;
A rotation shaft for rotatably mounting the upright portion with respect to the slide portion;
A fixing means provided on the slide portion and fixing the slide portion to the bottom plate ;
A projecting piece provided to project from the contact surface at the lower end of the upright portion ;
In a state in which the slide portion is fixed to the bottom plate by the fixing means, the standing portion has a first state in which the contact surface is perpendicular to the bottom plate, and the upright portion from the first state. By rotating the mounting portion, the upper end portion side of the contact surface is moved to the downstream side in the drawing direction of the paper piece, and the contact surface can be displaced from the second state inclined from the vertical direction with respect to the bottom plate. der is, the protruding piece, wherein no contact with the piece of paper drawn in the first state, the stacker apparatus according to claim Rukoto push the paper drawn in the second state. The bottom plate is provided with a rack portion that is parallel to the side wall plate and spaced apart from the side wall plate and the maximum width of the piece of paper,
2. The stacker device according to claim 1, wherein the fixing means is clip means for sandwiching the rack portion and fixing the slide portion to the bottom plate. The stacker device according to claim 1, wherein a magnet is attached to a lower surface of the standing portion, and a ferromagnetic body is attached to a position of the slide portion facing the magnet. The standing portion is formed with a position restricting piece slidably contacting the rotating shaft,
A leaf spring that presses the position restricting piece toward the rotation shaft is attached,
4. The stacker device according to claim 1, wherein in the state where no external force acts on the stopper means, the rotation of the standing portion is restricted. 5.

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