JP2671695B2 - Book supply status monitoring device in the book supply unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a book supply unit for appropriately supplying a set of copies to a processing apparatus, and a book supply for inspecting the supply state of a set of books to the book supply unit. The present invention relates to a condition monitoring device.

[0002]

2. Description of the Related Art As shown in FIG. 4, a printing book supply unit A used in a conventional general bookbinding collation apparatus has a horizontal printing book group replenishing and conveying base 1 having an endless conveying belt 11 in a horizontal state. And the transport belt 11 of the horizontal printing book group replenishing transport base 1
Angle of inclination with respect to the horizontal line (for example, 5 ° to 20 °)
And a slanted print supply stacking table 4 provided with an endless transport belt 14 extending downward in a slanted state, and on the downstream side of the transport direction immediately after the print supply stacking stand 4 in the same plane as the stacking stand 4. The supply guide plate 4a is provided so as to be held, and the gap portion 5 is spaced above the guide plate 4a.
Slightly tilted forward with a (for example, 2 ° to the vertical)
The front surface of the printing plate front support plate 5 standing upright in a tilted position of -10 °) and the fulcrum shaft 6c vertically downward from the gap 5a located below the front surface of the printing plate front plate 5. And a book supply mechanism 6 having, for example, a book separation supply arm 6a having an air suction portion 6b that repeatedly operates in a circular arc. Then, after the lower end (fold side) of the books 3a in the front row of the books group 3 stacked on the stack 4 for supplying the books is sucked by the suction part 6a, the above-mentioned feeding is performed via the fulcrum shaft 6b. The arm 6 is repeatedly moved in a circular arc to sequentially supply the copy book 3a to the outside of the copy book supply unit A one by one from the stack 4 for supplying the copy book. In the above-mentioned conventional bookbinding and collating apparatus, generally, the printing book 3 supplied to the outside of the printing book supply unit A is delivered to the printing book delivery unit B provided below the unit A. Copybook delivery unit B
Is a cylinder 7 for handing over a book and a pair of open cylinders 8 for opening a book parallel to and horizontally below and adjacent to each other.
(A pair of cylinders 8a, 8b facing each other and rotating in opposite directions in the direction of the arrow). A gathering unit C having an endless gathering chain 10 is provided below the pair of cylinders 8a and 8b of the copy delivery unit B and directly below a portion corresponding to the facing voids of the cylinders 8a and 8b. A plurality of the book supply units A and the book delivery units B are arranged above the gathering chain 10 along the feeding direction. The gathering chain 10 moves in the front-rear direction of the drawing of FIG. 4, is wound around a sprocket 10c attached to a drive rotation shaft 10b, and is driven by rotation of the sprocket 10c. The copy sheets 3a, which are supplied from the copy sheet supply unit A by the copy sheet supply mechanism 6 in units of one copy, are sequentially sent out downward by one copy by the arc motion of the supply arm 6, and the front end portion of the copy sheet 3a (fold side). )But,
The printing plate holding claw 7b of the printing plate delivery cylinder 7 that rotates leftward (rotates in the direction of the arrow in FIG. 4) synchronously with the supply timing.
Alternatively, the open cylinder 8 is held and delivered by a holding air suction portion (not shown) provided at the same position, and subsequently, the peripheral surfaces facing each other rotate downward.
a, 8b by the air suction parts 8e, 8f, respectively.
The rear end portion of a is suction-held and opened, and the suction portion 8e,
When the air suction is released at a predetermined position where 8f reaches the lowest point, the brush 3a is released from the open cylinder 8 and is dropped and hung on the gathering chain 10 to be fed, and the pusher attached to the chain 10 is pushed. Nail 10a
Engages with the end portion of the printing plate 3a and conveys the printing plate 3a in either the front or rear direction of the drawing. On the gathering chain 10, a plurality of the book supply units A and print delivery units B on the upstream side to the downstream side of the chain 10 in the feeding direction are arranged at equal intervals along the gathering chain 10a. Collation is performed by successively mounting the printing books 3a. The above-described book supply unit A includes a horizontal book group supply / conveyance base 1, a book stacking table 4 (printer hopper section) for conveying the book group in an accumulated state,
A copy book (signature) supply mechanism 6 (feeder mechanism) for separating one part (one fold) of the copy book 3a from the integrated copy book (signature) group 3 of the supply table and sending it to the gathering chain. Equipped with. As shown in FIG. 4, in order to sequentially and continuously send the print group 3 toward the print supply mechanism 6 to the above-mentioned print group supply / conveyance table 1 and the print supply / collection table 4 (print book supply hopper section). And an in-feed belt (horizontal conveyor belt 11 and inclined conveyor belt 14) for traveling. On this infeed belt, the brush group 3 is erected vertically, and the lower end of the brush (the end on the fold side corresponding to the spine of the copy (fold) 3a) is brought into contact with the infeed belt. And then the infeed belt is moved to move the booklet group 3
Is sent to the side of the book supply mechanism 6 in the upright state.

[0003]

The gathering unit 10 of the gathering unit C is provided on the infeed belt of each of the print feeding hoppers of the plurality of print feeding units arranged above the chain 10 in the feeding direction.
A large number of manpower is required to constantly and stably supply the copybook group 3 in a standing state, and the printbook group 3 is stably supplied without being deficient in each print supply hopper. There is also a great deal of effort to monitor whether or not it is.

Is the present invention stably supplied to the book supply hopper portion of the book supply unit of a bookbinding processing apparatus such as a bookbinding machine in a state in which a bookgroup is vertically erected? It is to automatically monitor whether or not.

[0005]

DISCLOSURE OF THE INVENTION The present invention is directed to a horizontal or gentle sloped book group replenishing and conveying base 1 for vertically conveying a book group 3 and a downwardly sloping and continuous printing. A printing plate supply and stacking table 4 for stacking and transporting the book group in a vertical standing state with a slight forward tilting posture, and a copy book 3 from the stack and booklet group 3 to be stacked and transported.
In the book supply unit including a book supply mechanism 6 for supplying a copy of a, the upper side of the posture conversion point from the horizontal to the inclined state of the book group replenishing carrier 1 and the book supply accumulating table 4 is A photoelectric detector 20 that emits a detection light beam that traverses the transport region of the copybook group 3 in a direction intersecting the transport direction is provided, and the presence or absence of the copybook group 3 is detected by the photoelectric detector 20 to determine the supply state. It is a monitor for replenishing a book supply state in a book supply unit characterized by monitoring.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to embodiments. FIG. 1 is a perspective view of an embodiment of a device for monitoring the state of supply of a book in the book supply unit A according to the present invention. For example, the endless conveyor belt 11 is provided at an inclination angle of about 1 ° to 10 ° with respect to the horizontal line,
The belt 11 is wound around a belt roller 11b attached to the drive rotating shaft 11a and a belt roller 11d attached to the rotating shaft 11d. The rotating shaft 11a is the shaft 11
The rotating body 11c such as a pulley or a sprocket attached to a and a rotating body 2b such as a pulley or a sprocket attached to the rotating shaft 2a of the rotary drive device 2 are connected by a transmission belt or a chain 12 and connected to each other. The conveyor belt 11 is driven to move in the direction of the arrow by the device 2. The book supply stacking table 4 which is continuously inclined downward with respect to the book supply replenishing and conveying base 1 is a horizontal line of the conveyor belt 11 in the horizontal state of the booklet replenishing and conveying base 1.
Alternatively, the endless conveyor belt 14 is provided in a downwardly inclined state with a predetermined inclination angle (for example, 5 ° to 20 °) with respect to a gentle inclination angle line.
Reference numeral 4 denotes a rotary body 14c attached to the same rotary shaft 11d as the rotary body 11e, and a rotary body 1 attached to the rotary shaft 14a.
It is wound between 4b and 4b and carries out a driving operation in the direction of the arrow. It should be noted that the inclination angle of the gentle slope of the above-mentioned book supply / conveyance base 1 and the inclination angle of the above-mentioned book supply / accumulation base 4 are not limited to the above angles. It should be noted that in the following description, it is assumed that the above-mentioned printing plate group supply / conveyance base 1 is in a horizontal state. Within the area where the book group 3 passes above the position where the posture is changed from the horizontal state to the inclined state of the horizontal book group replenishing and conveying base 1 and the tilted book supply stacking table 4, A photoelectric detector 20 in which a detection light beam is arranged in a direction intersecting the transport direction is installed. A supply guide plate 4a that holds the same plane as the stacking table 4 is provided downstream of the sheet supply stacking table 4 in the transport direction, and above the plate 4a is separated from the plate 4a. Gap 5a
Slightly tilted forward (for example, 2 ° to vertical)
Front surface support plate 5 of the book stand that stands upright (10 ° forward tilt)
Is provided. The plate supply mechanism 6 includes a plate separation and supply arm 6a having an air suction part 6b which repeatedly performs circular arc operation through a fulcrum shaft 6c vertically downward from the gap 5a located below the front support plate 5. The suction arm 6b sucks the lower end portion of the printing book 3a in the front row of the printing book group 3 stacked on the stack 4 for supplying printing books, and then the supply arm 6a is arcuately shaped through the fulcrum shaft 6c. The printing plate 3a is rotated downward to be supplied to the outside of the printing plate supply unit A from the stacking table 4. It should be noted that the above-described book supply mechanism 6 is not limited to this, and other known supply mechanisms can be adopted. In the present invention, a book processing device for processing the book is connected to the position where the book 3 is supplied by the book supply mechanism 6 of the book supply unit A of the present invention shown in FIG. For example, it is possible to dispose the book passing unit B and the following book gathering unit C of the bookbinding apparatus as shown in the conventional example (see FIG. 4). other,
It is possible to dispose a suitable book processing device such as a press punch cutting device, a press perforation processing device, and a resin liquid coating device. 2 (a) and 2 (b) show a horizontal book group replenishing and conveying base 1 and a tilted book supply stacking base 4 in the apparatus of the present invention.
FIG. 2A is a perspective view for explaining the details of the installation position of the photoelectric detector 20 with respect to the print book group 3 conveyed in a state where the (print book supply hopper portion) is vertically erected, and FIG. The installation position of the transmission type photoelectric detector 20 when detecting and emitting the detection light beam L from one side surface to the upper surface (or from the upper surface to one side surface) is shown, and the light emitting detector 20a is provided on one side.
(Or the light receiving detector 20b) is attached to and installed on a predetermined supporting arm (not shown), and the light receiving detector 20b (or the light emitting detector 20a) is installed on the other side by a predetermined supporting arm (not shown). ) Is an example of the case where it is installed. Further, FIG. 2B shows the installation position of the transmission type photoelectric detector 20 when the detection light beam L is emitted from one side face to the other side face of the copy book group 3 for detection, and is projected to one side. This is an example in which the light detector 20a is attached and installed to a predetermined supporting arm (not shown), and the light receiving detector 20b is attached and installed to the other side on a predetermined supporting arm (not shown), The detection light beam L may be horizontal or inclined.
It should be noted that the detection light beam L in FIGS. 2A and 2B may be emitted so as to be included or not included in an orthogonal plane that intersects at a right angle with respect to the print transport direction. It is desirable that the photoelectric detector 20 be installed so as to pass through the upper region in the passage region space of the copybook group 3 as much as possible. Further, in the present invention, it is possible to use a reflection type photoelectric detector that serves both as a light projecting device and a light receiving device as the photoelectric detection device. One of the light projecting detectors 20 shown in (a) and (b).
a or a reflection type photoelectric detector for light projection / reception is installed at the position of the detector 20b for light reception, and a specular reflection mirror is installed at the position of the other detector 20b for light reception or the light projection detector 20a. is there. 3 (a) and 3 (b) are a group of printing sheets on the printing sheet group supply / conveying base 1 of the printing sheet feeding unit A according to the present invention and a printing sheet feeding and accumulating table 4 (printing sheet feeding hopper portion) inclined with respect thereto. FIG. 3 is a side view for explaining a supply and transport state of the sheet 3 of FIG. 3, which is a horizontal print group replenishing and transporting base 1 and a print supply stacking table 4 (printer hopper section) inclined at an inclination angle θ with respect to the horizontal line of the transport base 1. On the upper side, the reduction of the copy book group 3 corresponding to the reduction amount by the thickness of one copy of the copy book 3a by being supplied outward from the copy copy supply unit A for each copy by the copy supply mechanism 6. The sheet group 3 is sequentially conveyed and supplied in the conveying direction (arrow direction) by the conveyor belts 11 and 14 whose traveling speed is controlled by the rotation driving device 2 set to a conveying speed (appropriate conveying speed V) corresponding to the minute. If it is, as shown in FIG. 3, in the connection locations between the conveyor table 1 and the collecting base 4, the book blocks group 3
The lower side O (the portion where the compression amount 3 of the print group is appropriate, or the portion where the compression amount of the print group 3 is relatively large) is the center, and the fan-shaped portion F of the print group 3 opened in a fan shape on the upper side. Are transported while maintaining a relatively dense accumulation state. On the other hand, the feeding speed is controlled by the rotary drive device 2 which is set to a transport speed (corrective transport speed V ₁ ) which is smaller than the reduction amount of the print group 3 corresponding to the reduction amount of the thickness of one part of the copy sheet 3a. In the case where the printing plate group 3 is sequentially conveyed and supplied in the conveying direction (arrow direction) by the conveying belts 11 and 14 that are shown in FIG.
As shown in FIG. 3, the copy group 3 has a lower side O of the copy group 3 (a portion where the compression amount of the copy group 3 is relatively small) at the connection point between the transport table 1 and the stacking table 4. The fan-shaped portion F of the printing book group 3 which is opened in the fan shape on the upper side with respect to is generated and conveyed in a relatively sparse accumulation state. In the photoelectric detector 20 of the present invention, the detection light beam L does not pass when the fan-shaped portion F of the brush group 3 is dense, and when the sparse integration state occurs, the detection light beam L is After passing, it is detected that the conveyance speed (printing book supply speed) of the printing book group 3 in the printing book supply hopper is insufficient, and the supply state of the printing book group 3 in the printing book supply hopper is monitored. The passage detection signal of the detection light beam L by the photoelectric detector 20 is used as a control signal for controlling the rotation output (speed) of the rotation driving device 2, and the booklet group replenishment conveyance of the booklet supply unit A is performed. The conveyor speed V ₁ of the conveyor belts 11 and 14 of the table 1 and the copy sheet supply / collection table 4 (print sheet supply hopper section) is corrected to an appropriate transfer speed V by digital control or analog control. Further, the passage detection signal of the detection light beam L by the photoelectric detector 20 is output and displayed by a predetermined alarm display means such as a buzzer or a lamp.

[0007]

The apparatus according to the present invention is composed of a horizontal or moderately inclined plate group replenishing / conveying base 1 and a platen supply / collecting base 4 inclined thereto.
Since the photoelectric detector 20 in which the detection light beam is arranged in the direction intersecting the transport direction of the book block group 3 is installed in the region where the book block group 3 passes above the position where the tilted posture is changed, It is possible to easily monitor the supply / conveyance state of the copy group 3 on the copy group supply / conveyance base 1 of the copy supply unit A and the supply / conveyance base 4 (print supply hopper portion) inclined with respect thereto. .

[0008]

As described above, the device for monitoring the supply state of the book in the book supply unit of the present invention provides a book group to the book supply hopper of the book supply unit of the bookbinding processor such as a bookbinding machine. It is possible to automatically monitor whether or not the supply is stable in the state of standing upright, and the supply is stable and the supply of supply is stable in the supply hopper of the supply of print units. It is possible to reduce the great amount of labor required to monitor whether or not it is present, and it is possible to always maintain stable replenishment with the group of print books standing on the infeed belt of the print supply hopper. And so on.

[Brief description of the drawings]

FIG. 1 is a side view of a book supply state monitoring device of the present invention.

FIG. 2A is a perspective view showing an example of a booklet group detection mode by a photoelectric detector in the booklet supply state monitoring device of the present invention. (B) It is a perspective view showing another example of the mode of detecting a group of printed books by a photoelectric detector in the printed book supply state monitoring device of the present invention.

FIG. 3A is a schematic side view illustrating a dense print group of fan-shaped portions in a monitoring operation by the print supply status monitoring device of the present invention. FIG. 7B is a schematic side view illustrating a sparse print group of fan-shaped portions in a monitoring operation performed by the print book supply state monitoring device of the present invention.

FIG. 4 is a side view of a general bookbinding collator.

[Explanation of symbols]

1 ... Book supply carrier 2 ... Rotation drive device 3 ... Print group
3a ... print book 4 ... print book supply stacking table 5 ... print book front support plate 6 ... print book supply mechanism 7 ... print book delivery cylinder 8 ... print book open cylinder 10 ... gathering chain 10a ... engaging claw 10b ... rotation drive shaft 10c
... Sprocket 11 ... Conveyor belt 12 ... Transmission belt 14 ... Conveyor belt 20 ... Photoelectric detector A ... Book supply unit B ... Book delivery unit C ...
Printing machine processing device F ... Fan-shaped part O ... Central part V ... Proper transport speed V ₁ ... Corrective transport speed θ ... Inclination angle

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-52-12033 (JP, A) Actually open 2-3862 (JP, U) Actually open 1-99658 (JP, U) Actually open 60- 191365 (JP, U)

Claims (1)

(57) [Claims] 1. A horizontal or moderately inclined plate book group supply / conveying base 1 for vertically conveying the plate group 3, and a downward tilt continuously with respect to the table, and a slight forward tilt of the plate group. A book supply unit including a book supply and accumulating table 4 that vertically conveys and stacks in a standing state, and a book supply mechanism 6 that supplies one copy of the book 3a from the group 3 of the book to be accumulated and conveyed. In, at the upper side of the posture conversion point of the plate group replenishing and conveying base 1 and the plate book supplying and accumulating stage 4 from the horizontal state to the inclined state, traverse the inside of the conveying region of the plate group 3 in a direction intersecting the conveying direction. A photoelectric detector 20 which emits a detection light beam is provided, and the booklet group 3 is provided by the photoelectric detector 20.
A book supply state monitoring device in a book supply unit, characterized by detecting the presence or absence of the supply state and monitoring the supply state.