JP5732643B2 - Bookbinding equipment - Google Patents

Description

  The present invention relates to a bookbinding apparatus that binds sheets discharged from a sheet processing apparatus such as a printer, a copier, or a printing machine.

  A conventional bookbinding apparatus includes a sheet holding unit that holds a plurality of sheets, an application unit that applies an adhesive to the back of the sheet held by the sheet holding unit, and a cover sheet on a bundle of sheets coated with the adhesive. Some have joining means for joining (Patent Document 1).

  In addition, there are some which include a heater unit that presses the end face of the sheet bundle by applying predetermined heat to the bookbinding tape and melts the adhesive adhered to the one surface, and a tape guide unit that receives the supplied bookbinding tape. For example, when sheets are carried in by the sheet aligning apparatus, a predetermined number of sheets are aligned and gripped on the tray, and then the gripped sheet bundle can be moved to the bookbinding apparatus. When the sheet bundle is moved by the bookbinding apparatus, the bookbinding tape is supplied to the heater unit through the tape guide unit, and a predetermined heat is applied to the bookbinding tape supplied to the heater unit to form on one surface of the bookbinding tape. When the adhesive is melted, the sheet bundle is bound by moving the cross section of the sheet bundle to the adhesive surface of the binding tape and pressing it.

JP 2010-201850 A

  By the way, in the bookbinding apparatus of the paper processing apparatus, when a bookbinding tape jam occurs in the process of supplying the bookbinding tape by the heater unit through the tape guide unit, the bookbinding tape that has jammed due to the high temperature of the heater unit is removed. Therefore, it is not easy to approach, and for example, there is an annoyance that a separate long removal tool such as “Yatsuko” must be inserted into the apparatus and the jamming tape must be pinched and removed. Also, for example, if the tape guide unit and the heater unit are arranged close to each other, jamming occurs because the temperature around the tape guide unit is affected by heat even if the heater unit is moved. Removal of the bound bookbinding tape is not easy.

  The present invention has been made in view of such circumstances, and when a supply failure of a binding tape such as a jam occurs, it is possible to easily remove the defective reception binding tape without being affected by heat. An object of the present invention is to provide a bookbinding apparatus.

  In order to solve the above-described problems and achieve the object, the present invention is configured as follows.

The invention according to claim 1 is a heater unit that applies a predetermined heat to the binding tape and presses the end face of the sheet bundle by melting the adhesive adhered to one surface;
A tape guide unit for receiving the supplied binding tape;
A tape guide unit driving means for moving between a receiving position for receiving the bookbinding tape supplied with the tape guide unit and a crimping position of the heater unit;
A tape removing means for removing the bookbinding tape that is poorly received by the tape guide unit from the tape guide unit;
Informing means for notifying the reception failure and instructing a removal operation by the tape removing means;
A tape receiving state judging means for judging a receiving state of the bookbinding tape in the tape guide unit;
Based on the determination of the tape receiving state determination means,
By determining that the receiving state is good, the tape guide unit driving means is controlled and moved from the receiving position for receiving the bookbinding tape to the crimping position of the heater unit,
Control means for notifying the reception failure by the notification means and instructing a removal operation by the tape removing means by determining that the receiving state is defective;
A tape detection sensor for detecting the supply of the binding tape;
The tape receiving state determining means determines that the receiving state is good when the tape detection sensor detects the leading end of the bookbinding tape and detects the trailing end within a set specified time,
The bookbinding apparatus is characterized in that the tape detection sensor detects the leading edge of the bookbinding tape, and determines that the receiving state is defective unless the trailing edge is detected for a predetermined time or more .

According to a second aspect of the present invention, the tape guide unit includes a tape transfer path for holding the bookbinding tape to be supplied.
The tape removing means includes a notch formed across the tape transfer path,
A pusher member on which a rotation lever is installed so that it can be advanced and retracted between the notches,
2. The method according to claim 1, wherein when the receiving state is determined to be defective, the rotary lever is operated to enter between the notches to remove the bookbinding tape from the tape transfer path. The bookbinding apparatus described.

According to a third aspect of the present invention, the control means is based on the determination that the reception state is bad,
Activating a warning means for warning that the receiving state is defective, and sending a failure occurrence signal to an image forming apparatus that forms an image on a sheet for forming a sheet bundle,
The bookbinding apparatus according to claim 1, wherein the image forming apparatus receives the failure occurrence signal and stops the operations of the image forming apparatus and the bookbinding apparatus.

Invention of Claim 4 is equipped with the tape conveyance means which conveys the tape for bookbinding,
The control means controls the tape conveying means,
Transporting the bookbinding tape at a predetermined timing based on the determination that the receiving state is good, and supplying the tape to the tape guide unit;
A bookbinding apparatus according to claim 1 to wherein the receiving state to stop the conveyance of the bookbinding tape based on the judgment to be defective.

  With the above configuration, the present invention has the following effects.

In the first aspect of the present invention, based on the determination of the tape reception state determination means, the determination is made that the reception state is good. If the defective binding tape is removed from the tape guide unit at the receiving position based on the judgment that it is defective, if a defective supply of the binding tape such as jam occurs, the defective binding tape is heated. It can be removed without being affected. In addition, the tape detection sensor detects the leading edge of the binding tape, and if the trailing edge is detected within the set specified time, it is determined that the receiving state is good, and the tape detection sensor detects the leading edge of the binding tape, By determining that the receiving state is defective unless the trailing end is detected for the set specified time or longer, the receiving state of the bookbinding tape can be determined easily and reliably.

According to the second aspect of the present invention, when the receiving state is determined to be defective, the rotary lever is operated to enter between the notches and the bookbinding tape can be easily removed from the tape transport path. .

According to the third aspect of the invention, based on the determination that the reception state is bad, a warning means for warning that the reception state is bad is activated to notify that the reception state is bad. By stopping the operation of the image forming apparatus for forming an image on a sheet for forming a sheet bundle and the operation of the bookbinding apparatus, the influence on the system of the entire apparatus can be reduced.

According to a fourth aspect of the present invention, the control means conveys the binding tape at a predetermined timing based on the determination that the receiving state is good and supplies it to the tape guide unit, and the receiving state is bad. Based on the determination, the conveyance of the bookbinding tape can be stopped and the conveyance according to the receiving state can be performed.

It is a figure which shows the structure of a paper processing apparatus. FIG. 6 is a diagram illustrating an example of a state of sheets bound using a bookbinding apparatus disposed in a sheet processing apparatus. It is the perspective view which looked at the bookbinding apparatus in the front. It is the perspective view which looked at the bookbinding apparatus in the rear surface. It is a disassembled perspective view of the push member of a tape guide unit. It is the perspective view which looked at the state by which the tape for bookbinding is supplied to the tape guide unit in the front. It is the perspective view which looked at the state which removed the tape for bookbinding supplied to the tape guide unit in the front surface. It is the perspective view which looked at the state by which the tape for bookbinding is supplied to the tape guide unit at the rear surface. It is the perspective view which looked at the state which removed the tape for bookbinding supplied to the tape guide unit on the rear surface. It is a control block diagram of a bookbinding apparatus. It is a flowchart which shows the action | operation of a bookbinding apparatus.

  Embodiments of the bookbinding apparatus according to the present invention will be described below. The embodiment of the present invention shows the most preferable mode of the present invention, and the present invention is not limited to this.

  FIG. 1 is a diagram illustrating the structure of a sheet processing apparatus, and FIG. 2 is a diagram illustrating the state of sheets bound by using a bookbinding apparatus configured in the sheet processing apparatus of FIG. The sheet processing apparatus 1 includes a sheet return apparatus 2, a sheet alignment apparatus 3, a bookbinding transport apparatus 4, a storage sticker 8, and a bookbinding apparatus 105.

Bookbinding apparatus 105 includes a tape guide unit 115 and the heater unit 125, and grip by aligning the predetermined number of sheets on the tray 16 if the sheet is me is carried toward the paper aligning device 3 via the paper return equipment 2 Thereafter, the gripped sheet bundle can be moved to the bookbinding apparatus 105.

  In the bookbinding apparatus 105, if the sheet bundle is moved, the bookbinding tape 133 is supplied to the heater unit 125 through the tape guide unit 115, and predetermined heat is applied to the bookbinding tape 133 supplied to the heater unit 125 to bind the bookbinding tape. If the adhesive 133a formed on one surface of 133 is melted, the sheet bundle 20 is bound by moving the cross section of the sheet bundle 20 and pressing it onto the adhesive surface of the bookbinding tape 133. The bundle of sheets 20 that has been bound is transferred to the storage sticker 8 through the bookbinding transport device 4 and stacked.

  3 to 9 show the bookbinding apparatus, FIG. 3 is a perspective view of the bookbinding apparatus viewed from the front, FIG. 4 is a perspective view of the bookbinding apparatus viewed from the rear, and FIG. 5 is an exploded perspective view of the push member of the tape guide unit. 6 is a perspective view of the state in which the tape is supplied to the tape guide unit as viewed from the front, and FIG. 7 is a perspective view of the state in which the bookbinding tape supplied to the tape guide unit is removed as viewed from the front. 8 is a perspective view of the bookbinding tape supplied to the tape guide unit as seen from the rear, and FIG. 9 is a perspective view of the booklet tape supplied to the tape guide unit as seen from the rear. .

  The bookbinding apparatus 105 includes a tape guide unit 115 and a heater unit 125, and the heater unit 125 provided with the heater 127 is configured so that the position and angle of the heater 127 can be appropriately controlled. On the other hand, the tape guide unit 115 installed under the heater unit 125 includes a frame 116, a tape transfer path 117 formed of a pair of partition walls 117a and a bottom plate 117b on one side of the frame 116, and an intermediate portion of the tape transfer path. A cutout portion 118 formed across the cutout portion 118 is provided, and a pusher member 135 is provided at a portion in contact with the cutout portion 118.

  The pusher member 135 includes a case 136 in which a storage portion 136 a is formed, a rotation lever 137 that is fixed to the upper end of the case 136 via a support shaft 140 so that one end portion thereof is rotatable, and an intermediate portion of the rotation lever 137. The case 136 and the rotation lever so that a tensile force can be applied to the button 138 installed so as to be attached to the storage portion 136a of the case 136 in contact with the protrusion arm 137a protruding from It is constituted by a tension spring 139 fixed between 137.

  The frame 116 in which the tape transfer path 117 and the notch 118 are installed is configured to be movable and angularly deformed, so that the tape transfer path 117 is appropriately brought close to the position of the heater 127. The bookbinding tape 133 is configured so that the bookbinding tape 133 can be brought into contact with the heater surface by pressing the adhesive surface of the bookbinding tape 133 partially exposed on the tape transfer path 117 with the end surface of the sheet bundle 20.

  When heat is applied to the bookbinding tape 133 in contact with the heater 127 and the adhesive of the bookbinding tape 133 is melted, the bookbinding tape 133 is stuck to the end of the sheet bundle 20, so that the tape guide unit 115 is The bookbinding tape 133 that has been transferred to the original position and partially attached to the sheet bundle 20 is appropriately crimped by sequentially changing the positions of the sheet bundle 20 and the heater unit 125 on the heater unit surface. In this manner, the sheet bundle 20 is completely bonded to the bonding position.

  The sheet bundle 20 that has been bound after the binding of the bookbinding tape 133 is discharged through the bookbinding transport device 4. In particular, when a jam occurs in the process of supplying the bookbinding tape 133 to the tape transfer path 117, the button 138 of the pusher member 135 located behind the tape transfer path 117 is pushed, and the rotation lever 137 is referenced to the support shaft 140. In this way, the outer end of the rotary lever 137 moves from the lower part of the notch part 118 crossing the tape transfer path 117 toward the upper part.

  The outer end of the rotation lever 137 moves from the lower part of the notch part 118 to the upper part and lifts the bookbinding tape 133 on which the jam is generated on the tape transfer path 117 and forcibly leaves the tape transfer path 117. And let it drain outside. In this embodiment, the structure in which only one notch 118 is formed on the tape transfer path 117 has been described as an example. However, two or more notches 118 are formed and the tape transfer path 117 can be You may install the pusher member which equipped the rotation lever which makes it possible to advance / retreat to the notch part 118 simultaneously.

  Further, the outer end portion of the rotating lever 137 is formed to be bent in an L shape so that the bookbinding tape 133 can be stably raised without slipping. After the jammed bookbinding tape 133 is removed, if the push pressure of the button 138 is released, the rotating lever 137 returns to its original position by the restoring force of the tension spring 139.

  FIG. 10 is a control block diagram of the bookbinding apparatus, and FIG. 11 is a flowchart showing the operation of the bookbinding apparatus.

  The bookbinding apparatus 105 includes a control unit 200. The control unit 200 is configured by a microcomputer, and may be configured integrally with the control apparatus 101a of the image forming apparatus 101 or separately. Further, the bookbinding apparatus 105 presses the end face of the sheet bundle 20 by melting the adhesive 133a attached to one surface by applying predetermined heat to the bookbinding tape 133 and the tape conveying means 210 for conveying the bookbinding tape 133. The heater unit 125, the tape guide unit 115 that receives the supplied bookbinding tape 133, and the tape that moves between the receiving position for receiving the bookbinding tape 133 supplied with the tape guide unit 115 and the crimping position of the heater unit 125. Guide unit driving means 201, tape removing means 202 for removing the bookbinding tape 133 that has not been received by the tape guide unit 125 from the tape guide unit 125, and tape for determining the reception state of the bookbinding tape 133 by the tape guide unit 125 The receiving state judging means 203 and the It includes a flop detection sensor SW1, the.

  The tape transport unit 210 includes, for example, a transport roller, a transport guide, and the like. The tape transport unit 210 transports the bookbinding tape 133 having a predetermined length stocked in the storage unit and supplies the bookbinding tape 133 to the tape guide unit 115. The heater unit 125, the tape guide unit 115, and the tape removing means 202 are configured as shown in FIGS. As shown in FIG. 1, the tape guide unit driving means 201 is configured to move between a receiving position P1 for receiving the bookbinding tape 133 supplied with the tape guide unit 115 and a crimping position P2 of the heater unit 125. For example, as shown in FIG. 4 (omitted in FIGS. 3 and 5 to 9), a drive frame 201c, a reduction gear 201b, a support frame 201c having a rack 201c1 meshing with the reduction gear 201b, and the like are provided. The frame 116 of the tape guide unit 115 is fixed to the frame.

  In the tape guide unit 115, a frame 116 and a tape transport path 117 constituted by a pair of partition walls 117a and a bottom plate 117b on one side of the frame 116 are located at the receiving position P1, and the bookbinding tape 133 at the receiving position P1. When the drive motor 201a rotates in the forward direction, the reduction gear 201b rotates, and the rack 201c1 that meshes with the reduction gear 201b moves to the crimping position P2 via the support frame 201c. The bookbinding is performed at the crimping position P2, and when the bookbinding is completed, the drive motor 201a rotates in the reverse direction to rotate the reduction gear 201b, and the rack 201c1 meshing with the reduction gear 201b moves to the receiving position P1 via the support frame 201c. Moving.

  The tape receiving state determination unit 203 is built in the control unit 200. As shown in FIGS. 3 to 9, a tape detection sensor SW1 is disposed on one end side of the tape transport path 117, and this tape detection is performed. When the sensor SW1 detects the leading end of the bookbinding tape 133 supplied from one end to the tape transport path 117 and detects the trailing end within the set specified time, it determines that the receiving state is good, and the tape detecting means When SW1 detects the leading edge of the bookbinding tape 133 and does not detect the trailing edge for a set specified time or more, it determines that the receiving state is defective.

  The control unit 200 controls the tape transport unit 210 to transport the bookbinding tape 133 at a predetermined timing based on the determination that the reception state is good, and supplies it to the tape guide unit 115, and the reception state is poor. Based on the determination, the transport of the bookbinding tape 133 is stopped, and the transport according to the receiving state is performed.

  The control unit 200 controls the tape guide unit driving unit 201 based on the determination by the tape reception state determination unit 203 that the reception state is good, and starts the heater from the reception position P1 for receiving the bookbinding tape 133. When the unit 125 is moved to the crimping position and the receiving state is determined to be defective, the notification unit 220 notifies the reception failure, and the badly received binding tape 133 is received from the tape guide unit 115 at the receiving position by the tape removing unit 202. Indicates the operation to be removed. This notification means 220 is configured by a display device, a buzzer, or the like.

  The tape removing means 202 is configured as described above, and a rotary lever 137 is installed so that it can be advanced and retracted between the notch 118 formed across the tape transport path 117 and the notch 118. When the pusher member 135 is provided and the receiving state is determined to be defective, the rotary lever 137 is operated to enter the notch 118 and the bookbinding tape 133 is removed from the tape transport path 117.

  Further, based on the determination that the receiving state is bad, the control unit 200 activates the warning unit 204 that warns that the receiving state is bad, and forms an image on the paper for forming the paper bundle 20. A failure occurrence signal is sent to the control device 101a of the image forming apparatus 101. This warning means 204 is performed by display means such as a display board (LCD) or by means such as a buzzer. Also, the control device 101a of the image forming apparatus 101 receives a signal indicating the occurrence of a failure, and the control device 101a stops the operations of the image forming apparatus 101 and the bookbinding apparatus 105.

  As described above, the control unit 200 can actuate the warning unit 204 that warns that the reception state is bad, based on the determination that the reception state is bad, thereby notifying that the reception state is bad. At the same time, by stopping the operation of the image forming apparatus 101 that forms an image on a sheet for forming the sheet bundle 20 and the operation of the bookbinding apparatus 105, the influence on the system of the entire apparatus can be reduced.

  The operation of the bookbinding apparatus 105 of this embodiment is as shown in the flowchart of FIG. 11, in which the bookbinding tape 133 is conveyed at a predetermined timing by driving the tape conveying means 210 (S1). Supply to the guide unit 115. The tape detection sensor SW1 starts detecting the leading end of the bookbinding tape 133 sent (S2), and the bookbinding tape 133 is sent to the tape transfer path 117 of the tape guide unit 115 (S3).

  The tape detection sensor SW1 determines whether or not the trailing edge of the bookbinding tape 133 is detected within a specified time (S4). When the trailing edge of the bookbinding tape 133 is detected, the receiving state is good. It is a judgment, and the tape guide unit driving means 201 is controlled to move from the receiving position P1 for receiving the bookbinding tape 133 supplied with the tape guide unit 115 to the crimping position P2 of the heater unit 125 (S5), and to proceed to the bookbinding operation. (S6).

  In step (S4), it is determined whether or not the tape detection sensor SW1 detects the rear end of the bookbinding tape 133 within a specified time (S4). The occurrence of a jam is detected in the transfer path 117 (S7). The detection of the occurrence of the jam is a determination that the receiving state is defective, and immediately sends a jam occurrence signal to the control device 101a of the image forming apparatus 101. The control device 101a receives a signal indicating the occurrence of the defect from the bookbinding apparatus 105. Based on the notification, the operation of the image forming apparatus 101 and the operation of the bookbinding apparatus 105 are stopped, and the printing operation of the entire system is stopped (S8). For example, if the image forming apparatus 101 is already in the middle of printing when a tape transport failure occurs, the system is stopped after the image forming apparatus 101 transports the paper being printed.

  Furthermore, the occurrence of a jam is displayed on a display means such as a display board (LCD) which is a notifying means 220 provided in the bookbinding apparatus 105 to notify the user and the processing method is guided by a label or other method. The operation for removing the tape 133 is instructed (S9). When the user pulls out the heater unit 125 and pushes the pusher member 135 (S10), the bookbinding tape 133 that has become jammed is taken out by the rotating lever 137 and can be easily removed from the tape transport path 117 (S10). As described above, when the reception state P1 is determined to be poor, the poorly received bookbinding tape 133 is removed from the tape guide unit 115t at the reception position P1, thereby causing a supply failure of the bookbinding tape 133 such as a jam. In this case, it is possible to remove the defective bookbinding tape 133 without being affected by heat.

  The present invention can be applied to a bookbinding apparatus that binds paper discharged from a paper processing apparatus such as a printer, a copier, or a printing machine. When a supply failure of a bookbinding tape such as a jam occurs, bookbinding with poor reception is possible. It is possible to eliminate the tape for use without being affected by heat.

DESCRIPTION OF SYMBOLS 1 Paper processing apparatus 2 Paper return apparatus 3 Paper alignment apparatus 4 Bookbinding conveyance apparatus 105 Bookbinding apparatus 8 Storage sticker 115 Tape guide unit 16 Tray 20 Paper bundle
125 Heater unit 133 Tape 133a Adhesive 116 Frame 117 Tape transfer path 118 Notch
127 heater 135 pusher member
136 Case 137 Rotating lever 138 Button 139 Tension spring 140 Support shaft 200 Control means 201 Tape guide unit drive means 202 Tape removal means 203 Tape receiving state judgment means 204 Warning means 210 Tape transport means 220 Notification means SW1 Tape detection sensor

Claims (4)

A heater unit that applies predetermined heat to the bookbinding tape and presses the end face of the sheet bundle by melting the adhesive adhered to one surface;
A tape guide unit for receiving the supplied binding tape;
A tape guide unit driving means for moving between a receiving position for receiving the bookbinding tape supplied with the tape guide unit and a crimping position of the heater unit;
A tape removing means for removing the bookbinding tape that is poorly received by the tape guide unit from the tape guide unit;
Informing means for notifying the reception failure and instructing a removal operation by the tape removing means;
A tape receiving state judging means for judging a receiving state of the bookbinding tape in the tape guide unit;
Based on the determination of the tape receiving state determination means,
By determining that the receiving state is good, the tape guide unit driving means is controlled and moved from the receiving position for receiving the bookbinding tape to the crimping position of the heater unit,
Control means for notifying the reception failure by the notification means and instructing a removal operation by the tape removing means by determining that the receiving state is defective;
A tape detection sensor for detecting the supply of the binding tape;
The tape receiving state determining means determines that the receiving state is good when the tape detection sensor detects the leading end of the bookbinding tape and detects the trailing end within a set specified time,
The bookbinding apparatus, wherein the tape detection sensor detects the leading end of the bookbinding tape, and determines that the receiving state is defective unless the trailing end is detected for a preset specified time . The tape guide unit includes a tape transfer path for holding the bookbinding tape to be supplied,
The tape removing means includes a notch formed across the tape transfer path,
A pusher member on which a rotation lever is installed so that it can be advanced and retracted between the notches,
2. The method according to claim 1, wherein when the receiving state is determined to be defective, the rotary lever is operated to enter between the notches to remove the bookbinding tape from the tape transfer path. The bookbinding apparatus described. The control means is based on the determination that the reception state is bad,
Activating a warning means for warning that the receiving state is defective, and sending a failure occurrence signal to an image forming apparatus that forms an image on a sheet for forming a sheet bundle,
The bookbinding apparatus according to claim 1, wherein the image forming apparatus receives the failure occurrence signal and stops the operation of the image forming apparatus and the bookbinding apparatus. A tape transport means for transporting the bookbinding tape;
The control means controls the tape conveying means,
Transporting the bookbinding tape at a predetermined timing based on the determination that the receiving state is good, and supplying the tape to the tape guide unit;
Bookbinding device according to claim 1 to wherein the receiving state to stop the conveyance of the bookbinding tape based on the judgment to be defective.