JP4223593B2 - Books cutting device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cutting apparatus that separates stacked books one by one and supplies them onto a conveyor, and in particular, an apparatus that can separate even stacked books in different sizes and thicknesses. About.
[0002]
[Prior art]
Books such as magazines and books are collected from each publisher to an intermediary agency, and a predetermined number of books are combined and shipped by the intermediary agency according to the order of each bookstore. The unsold items at each bookstore are collected again by the intermediate broker and returned to the publishers within a predetermined period.
[0003]
In this case, when books are shipped, a bundle of books of the same type sent from the publisher is supplied to the cutting machine, and the number of books cut out from each cutting machine is ordered by each bookstore. It may be sorted according to.
[0004]
As such a cut-out machine, a structure in which a book is pushed out from above or below a stack of books stacked one by one with a pusher is known. This cutting machine has a structure having a gate adjusted to a gap through which one book can pass, a lift for raising a bundle of books each time a book is cut out, and the like.
[0005]
[Problems to be solved by the invention]
However, when returning books, the returned books sent from each bookstore are stacked with multiple types of books, so multiple types of books with different sizes and thicknesses are stacked. One book must be separated from the bundle one by one, and it is difficult to automatically separate one by one using the above-described cutting machine.
[0006]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a book segmenting device that can separate books one by one from a stack in which a plurality of types of books having different sizes and thicknesses are stacked.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the present invention stores a plurality of books in a stacked manner, and at least one side in the stacking direction is opened at a bucket, and the bucket is inclined to one side of the stored books. By returning, the side tilting means for aligning one side of the book so as to contact one side of the bucket, and the bucket in which the one side of the book is aligned by the side tilting means is tilted back and forth. The lower side of the book is brought into contact with the lower surface of the bucket for alignment, and the front and rear tilting means for supporting the book in a stacked state along the inclined surface, and the bucket is tilted by the front and rear tilting means. while supporting Te, press multiple books contained in the bucket from the rear, and a pusher to place a book of the most forward opening of the bucket, said by the longitudinal inclination means bucket While supporting by inclining the door, and discharge conveyor extending substantially horizontally disposed to beginning the opening subordinates sides of the bucket, it is movably supported along the discharge direction at the starting end near the discharge conveyor And a drawer means that is pushed by the pusher and is disposed in the opening of the bucket so as to abut against the foremost one of the books and hold the book by suction and place it on the carry-out conveyor. The present invention provides a book segmenting device characterized by the above.
[0008]
According to the book cutting device of the present invention, for example, a bundle of books such as a return book sent from each bookstore is accommodated in a stacked state in a bucket, and this bucket is first stored by a side tilting means. Tilt to one side and align so that one side of each book abuts one side of the bucket. Next, the bucket is tilted back and forth by the front and rear tilting means, and the book is supported in a stacked state along the tilted surface. At this time, each book is aligned with its lower side abutted against the inclined lower surface of the bucket and one side abutted against one side of the bucket. In this state, the pusher pushes the stack of books from the rear to place the foremost book in the opening of the bucket. Then, the drawing means is brought close to the foremost book, the suction cup is brought into contact with the foremost book and sucked and held, and in this state, the drawing means is moved backward to remove the foremost book from the bundle of books. To separate. Thereafter, by releasing the suction of the drawing means, the book falls on the carry-out conveyor and is carried out. By repeating this operation, the books can be separated and carried out from the bundle of books one by one.
[0009]
In this way, the side slanting means and the front-rear slanting means contact the lower side of each book with the inclined lower surface of the bucket, and one side is brought into contact with one side of the bucket so as to be aligned. Even if the size of the book is not uniform, the suction cup can be brought into contact with each book reliably by setting the position of the suction cup of the drawer means in accordance with the smallest book. Also, the frontmost book is sucked and held by the suction cup of the drawer means, and after separating and pulling out this book, the suction is released and the book is brought down on the carry-out conveyor, so that it looks like a conventional cutting machine There is no need to adjust the gap between the gates and the lift amount of the lift according to the thickness of the book, and even if the thickness is not uniform, it can be reliably separated and cut out one by one.
[0010]
In the present invention, it is preferable that a locking portion for temporarily locking the lower side of the book is provided in the vicinity of the lower side of the opening of the bucket. According to this, when the foremost book is sucked and held by the drawing means, the lower side of the book is temporarily locked by the locking portion, the book is tilted forward, and the suction is released in that state. Thus, since the book falls forward and is placed on the carry-out conveyor, the book can be reliably placed on the carry-out conveyor and carried out.
[0011]
Moreover, it is preferable that the suction cup of the said drawer | drawing-out means is supported via the spring board, and the said suction cup can be tilted back and forth by this spring board. According to this, when the sucker is brought into contact with the foremost book by advancing the drawer means, the spring plate is bent so as to fit the inclination angle of the book, and the sucker is easily adhered to the surface of the book, The drawer means can be operated more reliably.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
1 to 5 show an embodiment of a book clipping device according to the present invention. FIG. 1 is a plan view of the entire cutting device, FIG. 2 is a perspective view of a bucket used in the cutting device, and FIG. 3 is along the AA ′ arrow line in FIG. FIG. 4 is a cross-sectional view taken along the line BB ′ in FIG. 1 showing the front / rear tilting means used in the cutting device, and FIG. 5 is a side view of the drawing means used in the cutting device.
[0013]
As shown in FIG. 1, the cutting device includes a carry-in conveyor 20 that carries a bucket 10 loaded with books, and a side that is adjacent to a terminal portion of the carry-in conveyor 20 and inclines the bucket 10 to one side. An inclined conveyor 30, a supply conveyor 41 adjacent to the side inclined conveyor 30, an adjacent front and rear inclined conveyor 42 that tilts the bucket 10 forward and backward, adjacent to an outlet direction of the supply conveyor 41, and an outgoing direction of the forward and backward inclined conveyor 42 An adjacent bucket discharge conveyor 43, a carry-out conveyor 50 having a start end portion disposed on the side of the front and rear inclined conveyor 42, and a draw-out means 90 disposed above the start end portion of the carry-out conveyor 50 are provided.
[0014]
The carry-in conveyor 20 has intermediate stoppers 22 and 22 arranged so as to be able to appear and retract on the conveyance surface, and a terminal stopper 23 arranged fixed to the terminal. The bucket 10 is temporarily stopped by the intermediate stoppers 22, 22, and is sent to the end position one by one every time the books in one bucket 10 are cut out by the mechanism described later and the empty bucket 10 is discharged. It is like that. The bucket 10 sent to the end position is stopped by the end stopper 23 and is sent to the adjacent side inclined conveyor 30 by the two laterally moving conveyors 21 arranged between the roller groups at the end portion of the carry-in conveyor 20. It is like that.
[0015]
As shown in FIG. 2, the bucket 10 has a box shape in which two adjacent surfaces are open, and the interior is partitioned into a plurality of partitions 12. A slit 11... 11 parallel to the partition plate 12 is formed in each partition section on the rear surface facing the opening. Further, a locking portion 13 having an inner wall of the bucket 10 that is slightly curved upward is provided along the lower front side of the opening. In this embodiment, the bucket 10 is carried by the carry-in conveyor 20 in a state in which books are stacked up and down in each partition section with the surface provided with the slits 11. It has become.
[0016]
As shown in FIGS. 1 and 3, the side inclined conveyor 30 has an L-shaped angle 71 rotatably attached by a support shaft 31, and the two L-shaped angles 71 are arranged in parallel. As shown by the arrow in FIG. 3, the cylinder 72 is disposed between the rollers of the side inclined conveyor 30 and is suspended between the frame 33 and the L-shaped angle 71 so as to rotate to one side. It has become. As a result, the books B stacked in each partition section of the bucket 10 move to one side, abut against the side wall of the bucket 10 or the partition plate 12, and the one side is aligned. The L-shaped angle 71, the cylinder 72, etc. constitute the side tilting means in the present invention.
[0017]
As shown in FIG. 1, the supply conveyor 41 has two laterally moving conveyors 49, 49 arranged between the rollers, and the bucket 10 sent from the side inclined conveyor 30 is transferred to the laterally moving conveyor. After receiving by 49 and 49, it plays the role which sends in the direction of the front-back inclination conveyor 42. FIG.
[0018]
As shown in FIGS. 1 and 4, the front and rear inclined conveyor 42 is capable of appearing and retracting between a bucket pressing plate 45 that is operated by cylinders 44, a bucket receiving plate 46 that faces the bucket pressing plate 45, and a roller group. It has a stopper 47 arranged. Therefore, the bucket 10 sent from the supply conveyor 41 is temporarily stopped by the stopper 47, and in this state, the bucket pressing plate 45 is pushed out by the operation of the cylinders 44, 44, and the bucket pressing plate 45 and the bucket receiving plate 46 The bucket 10 is sandwiched and held.
[0019]
Furthermore, one end of two arms 82 and 82 bent in a bow shape is fixed to the side surface of the front and rear inclined conveyor 42 on the carry-out conveyor 50 side. The middle of the arms 82 and 82 is pivotally supported by the frame 81 by a support shaft 89, and the other end of the arms 82 and 82 is the tip of the rod of a cylinder 83 pivotally supported by the frame 81. Is pivotally supported. Therefore, when the cylinder 83 is operated and the arms 82 and 82 are rotated, the entire inclined conveyor 42 is inclined forward and backward as indicated by an imaginary line in FIG. In addition, the said front-back inclination conveyor 42, the arm 82, the cylinder 83, etc. comprise the front-back inclination means in this invention.
[0020]
In addition, a vertical ball screw 87 interlocked with the motor 88 via a chain and a plurality of plate-like pushers 86 extending in parallel with the ball screw 87 are provided below the front and rear inclined conveyor 42. The ball screw 87 is screwed into a support plate 86a provided at the base end. Therefore, when the ball screw 87 is rotated by the motor 88, the support plate 86a screwed with the ball screw 87 moves along the ball screw 87, and the pusher 86 moves in and out through the slits 11 ... 11 of the bucket 10.
[0021]
As shown in FIGS. 1, 4, and 5, when the front and rear inclined conveyor 42 is rotated by a cylinder 83 and arms 82 and 82 and is supported obliquely, the start end of the carry-out conveyor 50 is the inclined conveyor. It is installed so that it may be located in the opening lower part side of the bucket 10 hold | maintained at 42. FIG. At the end of the carry-out conveyor 50, a sorting conveyor 60 (see FIG. 1) that moves the cut-out books to a sorting device (not shown) is arranged orthogonal to the end.
[0022]
The draw-out means 90 is attached to a rodless cylinder 91 disposed above the starting end of the carry-out conveyor 50, a plate spring 93 suspended from a slider 92 of the rodless cylinder 91, and a tip of the plate spring 93. The suction cup 94, the lever 95 extended from the suction cup 94, and the suction means connected to the suction cup 94 via an air tube when the lever 95 is released are turned on, and when the lever 95 is pressed, the suction is performed. And a limit switch 96 for turning off the operation of the means.
[0023]
Further, a cylinder 97 is installed obliquely downward above the start end of the carry-out conveyor 50, and a plate-like stopper 98 provided at the tip of the rod is disposed so as to be able to appear and retract with respect to the opening of the bucket 10. Has been.
[0024]
Next, the operation of this clipping device will be described.
First, the surface of the bucket 10 shown in FIG. 2 provided with the slit 11 is directed downward, and books such as returned books returned from each bookstore are stacked and accommodated in each section partitioned by the partition plate 12. . Thus, after the bucket 10 containing the books B is carried in by the carry-in conveyor 20 and temporarily stopped by the intermediate stopper 22, the bucket 10 is sent one by one to the end portion every time a bucket 10 cut-out operation described later is completed. The bucket 10 comes into contact with the end stopper 23 of the carry-in conveyor 20 and stops, and is then sent to the side inclined conveyor 30 by the lateral movement conveyor 21.
[0025]
When the bucket 10 is placed on the side inclined conveyor 30, the cylinder 72 in FIG. 3 operates to rotate the L-shaped angle 71, and the bucket 10 is tilted to one side. As a result, the books B in the bucket 10 abut on the side surface of the bucket 10 and the partition plate 12 and are aligned so that one side of the books 10 is located on the same surface.
[0026]
Thereafter, the L-shaped angle 71 returns to the original position by the operation of the cylinder 72, the bucket 10 returns to the horizontal state again, and is sent onto the supply conveyor 41 by the side inclined conveyor 30. At this time, the laterally moving conveyor 49 on the supply conveyor 41 assists the movement of the bucket 10 onto the supply conveyor 41. Furthermore, the supply conveyor 41 sends the bucket 10 toward the front / rear inclined conveyor 42 and stops by a stopper 47.
[0027]
In this state, the cylinder 44 is operated and the bucket pressing plate 45 is pushed out, and the bucket 10 is sandwiched and held between the bucket pressing plate 45 and the bucket receiving plate 46. Next, the cylinder 83 is operated, and the entire front and rear inclined conveyor 42 is inclined through the arm 82 as shown in FIG. As a result, the books B are positioned with one side thereof abutting against the side surface of the bucket 10 or the partition plate 12, and the bottom side is positioned along the inclined surface.
[0028]
Then, the ball screw 87 is rotated by the operation of the motor 88, and the pusher 86 is pushed through the slits 11... 11 of the bucket 10 through the support plate 86 a screwed with the ball screw 87. As a result, the books B move until the foremost book abuts against the stopper 98 disposed in the vicinity of the opening of the bucket 10, and when the foremost books B abut against the stopper 98, a sensor (not shown) By detecting this, the operation of the motor 88 is stopped.
[0029]
Next, the slider 92 of the rodless cylinder 91 moves forward, and the suction cup 94 comes into contact with the foremost books B. When the suction cup 94 comes into contact with the foremost book B, the leaf spring 93 bends backward so that the suction cup 94 comes into close contact with the surface of the books B. As a result, the lever 95 extended from the suction cup 94 is separated from the limit switch 96, the operation of the suction means is turned on, and the foremost books B are sucked and held on the suction cup 94 via the air tube. Further, the cylinder 97 is operated and the pusher 86 is pulled to a position where it does not engage with the books B.
[0030]
In this state, when the slider 92 of the rodless cylinder 91 moves backward, the foremost book B tries to move together with the suction cup 94, but the lower side of the books B is caught by the locking portion 13 and locked. Therefore, the books B start to fall forward as indicated by a one-dot chain line in FIG. Then, when the books B reach the position L in FIG. 5, the suction cup 94 begins to turn obliquely upward, and the leaf spring 93 bends forward, so that the lever 95 is pressed against the limit switch 96. As a result, the operation of the suction means is turned off, the suction of the suction cup 94 is released, and the foremost books B are fallen on the carry-out conveyor 50 and carried out. By repeating such an operation, the books B in the bucket 10 can be separated one by one and sent out from the carry-out conveyor 50. The books B are placed on the sorting conveyor 60 and sorted, for example, for each publisher. Will be.
[0031]
When all the books B in the bucket 10 are cut out, the arm 82 is returned to the original position by the operation of the cylinder 83, and the front and rear inclined conveyor 42 is returned to the original position where it is not inclined. In this state, the stopper 47 shown in FIG. 1 is retracted, and the bucket 10 which has been emptied is sent out to the bucket discharge conveyor 43.
[0032]
FIG. 6 shows another embodiment of the clipping device according to the present invention. Note that substantially the same parts as those in the embodiment of FIGS. 1 to 5 are denoted by the same reference numerals, and description thereof is omitted.
[0033]
In this embodiment, a second cylinder 100 that operates in the vertical direction is installed on the slider 92 of the rodless cylinder 91, and a suction cup 94 is attached to the operating rod 101 of the second cylinder 100 via a support plate 102. Yes. The suction cup 94 is tilted in advance so as to be parallel to the front surface of the books B stored in the bucket 10. Moreover, the latching | locking part is not provided in the opening lower part of the bucket 10. FIG.
[0034]
When the books B are cut out, first, when the slider 92 moves forward as indicated by an arrow a in the drawing by the operation of the rodless cylinder 91, the suction cup 94 comes into contact with the front surface of the books B. Then, suction is started by a sensor (not shown), the foremost books B are sucked and held by the suction cup 94, and the cylinder 97 is operated to be pulled to a position where the stopper 98 is not engaged with the books B.
[0035]
In this state, the second cylinder 100 is actuated, and the suction cup 94 is raised as indicated by an arrow b in the drawing to slightly lift the foremost books B held by suction. This is because when the books B are pulled out as they are, the lower rear portion of the books B is caught on the lower side of the opening of the bucket 10.
[0036]
Then, by operating the rodless cylinder 91, the slider 92 is moved backward as indicated by an arrow c in the figure, and the books B are pulled out onto the carry-out conveyor 50 while being tilted backward. In this state, the second cylinder 100 is actuated again, the books B are lowered as shown by an arrow d in the figure, the suction of the suction cups 94 is released, the books B are tilted rearward, and the unloading conveyor 50 is over. Place it on and carry it out. By repeating the above operation, the books B can be separated one by one and sent out onto the carry-out conveyor 50.
[0037]
【The invention's effect】
As described above, according to the present invention, even for a bundle of a plurality of types of books having different sizes, one side of the books is aligned by the side tilting means, and the lower side is aligned by the front and back tilting means. Therefore, by matching the position of the suction cup of the drawer means with the smallest book, all the books can be sucked and held and separated. Also, the frontmost book is sucked and held by the suction cup of the drawer means, and after separating and pulling out this book, the suction is released and the book is brought down on the carry-out conveyor, so the thickness is not uniform Can be reliably separated and cut out one by one. Therefore, it is suitable for cutting out a return book which is a bundle of books having different sizes and thicknesses.
[Brief description of the drawings]
FIG. 1 is an overall plan view showing an embodiment of a book clipping device according to the present invention.
FIG. 2 is a perspective view of a bucket used in the cutting device.
FIG. 3 is a cross-sectional view taken along the line AA ′ in FIG. 1 showing the side tilting means used in the cutting device.
4 is a cross-sectional view taken along the line BB ′ in FIG.
FIG. 5 is a side view of the drawing means used in the cutting device.
FIG. 6 is a side view of drawer means showing another embodiment of a book cutting device according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Bucket 11 Slit 12 Partition plate 13 Locking part 20 Carry-in conveyor 21 Lateral movement conveyor 22 Intermediate stopper 23 Termination stopper 30 Side inclined conveyor 31 Support shaft 41 Supply conveyor 42 Front and rear inclined conveyor 43 Bucket discharge conveyor 44 Cylinder 45 Bucket pressing plate 46 Bucket receiving plate 50 Unloading conveyor 60 Sorting conveyor 71 L-shaped angle 72 Cylinder 81 Frame 82 Arm 83 Cylinder 86 Pusher 87 Ball screw 88 Motor 90 Pull-out means 91 Rodless cylinder 92 Slider 93 Leaf spring 94 Suction cup 95 Lever 96 Limit switch 97 Air cylinder 98 Stopper 100 Second air cylinder

Claims (3)

A plurality of books stacked and accommodated, and at least one bucket in the stacking direction has an open bucket;
Side tilting means for tilting the bucket back to one side of the accommodated book and aligning so that one side of the book contacts one side of the bucket;
The bucket in which one side of the book is aligned by the side tilting means is tilted back and forth, the lower side of the book is brought into contact with the lower surface of the bucket, and the book is aligned along the inclined surface. Back and forth tilting means for supporting in a laminated state;
In a state where the bucket is tilted and supported by the front / rear tilting means, a plurality of books housed in the bucket is pushed from behind, and a pusher is arranged to place the foremost book in the opening of the bucket;
A carry-out conveyor extending in a substantially horizontal direction with a start end portion disposed at the lower side of the opening of the bucket , with the bucket being inclined and supported by the front and rear tilting means ,
This starting end near the discharge conveyor along the unloading direction being movably supported Rutotomoni, the pusher pushed placed in the opening of the bucket, contact with the book having the highest front of the book A book-drawing apparatus, comprising: a drawing means for sucking and holding the paper and placing it on the carry-out conveyor . The book cutting-out apparatus according to claim 1, wherein a locking portion for temporarily locking the lower side of the book is provided near the lower side of the opening of the bucket. The book cutting-out device according to claim 1 or 2, wherein a suction cup of the drawing means is supported via a spring plate, and the suction plate can be tilted back and forth by the spring plate.

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