JP5295838B2 - Bookbinding apparatus and bookbinding method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bookbinding device which can efficiently reverse a booklet, align the edges of the papers, and achieve finish bookbinding under pressure, and a method for bookbinding. <P>SOLUTION: The bookbinding device includes: a paper feed portion 1 which feeds, in a unit of booklet, a number of papers piled in a temporally bonded condition before pressurizing; a reversing portion 2 which can reverse, in a unit of booklet, the number of papers in a temporally bonded condition; a jogger portion 3 which aligns the edges of the number of papers reversed in a temporally bonded condition; a press portion 4 which manufactures a booklet under pressure-bonding the number of papers in a temporally bonded condition at the last; an ejection portion 5 from which the manufactured booklet is ejected. Furthermore, the method for bookbinding includes: a paper feeding step of feeding temporally bonded papers in a unit of booklet; a reversing step of reversing in a unit of booklet the reverse roller-wise; a jogger step; and an ejection step. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a bookbinding apparatus and a bookbinding method, and more particularly, to a bookbinding apparatus and a bookbinding method for bookbinding by binding a sheet supplied in a state where an adhesive is applied to each other and then performing main bonding by a press.

  As a first conventional example of a bookbinding apparatus having a reversal function, there is a bookbinding apparatus described in Patent Document 1 below, and a sheet of paper having an adhesive applied to the edge by glue discharge means (adhesive discharge means). The paper is supplied to the direction changing and conveying means (reversing means) one by one, reversed one by one by the conveying rollers of the direction changing means, and then stacked on the paper stacking table. A booklet is bound by pressurizing by a pressurizing means.

  The reason for reversing the booklet is, for example, when there is a step of sealing the booklet in an envelope after bookbinding, if it is necessary to match the address window of the envelope with the address field of the booklet, After gluing, there are cases where it is desired to press the gluing surface downward, or to make the bookbinding work space compact.

  As a second conventional example, there is a bookbinding apparatus described in the following Patent Document 2, in which a sheet on which glue is applied to an edge by a glue discharge unit is supplied to a reversing apparatus one by one, and a curved guide plate and A reversing mechanism comprising a plurality of transfer rollers arranged to correspond to the guide plate is reversed one by one, stacked on the placing belt, and booklet is bound when a predetermined number of sheets are stacked. It is configured.

Japanese Patent Laid-Open No. 2002-200902 JP 2000-108543 A

  As in the first and second conventional examples, in the structure in which sheets coated with glue (adhesive) are reversed one by one and stacked one by one, the reversing work takes time and the glue is completely dry. In particular, since the sheets are reversed one by one, due to an impact during the reversing operation, the alignment of the sheets may be disturbed at the time of stacking, and the quality of the booklet may be deteriorated. Further, the paper may be wrinkled or clogged during the reversal, or the adhesive may adhere to the transport roller or the like, causing the apparatus to become dirty.

  The present invention is an invention made in view of the above problems, and by reversing a plurality of temporarily bonded sheets in booklet units, the efficiency of bookbinding is improved, and after reversing, finally the sheets It is to provide a bookbinding apparatus and a bookbinding method capable of binding a high-quality booklet by arranging the irregularities.

  In order to solve the above-described problems, a bookbinding apparatus according to the present invention includes a paper feeding unit capable of supplying a plurality of sheets stacked in a temporarily bonded state before pressurization in a booklet unit, and the plurality of sheets in a booklet unit. , A reversing portion that can be reversed, a jogger portion that aligns the edges of the plurality of reversed sheets, and a press portion that produces a booklet by finally pressure-bonding the aligned sheets. And a discharge section for discharging the produced booklet. The temporary adhesion state before pressurization is, for example, about 30% dry state is the temporary adhesion state when the state where the adhesive (glue) is completely dried is 100%.

  In the bookbinding apparatus, it is preferable that the paper feeding unit stacks an adhesive application mechanism that applies an adhesive along one edge along the paper feeding direction, and stacks the plurality of sheets in booklet units. A loading and feeding mechanism for feeding.

  In the bookbinding apparatus, preferably, the reversing unit includes a reversing roller and a drawing belt wound around the outer peripheral surface of the reversing roller, and the adhesive application side of the plurality of sheets in a booklet unit is provided. The opposite end portion is sandwiched between the reversing roller and the pull-in belt, and a plurality of sheets in booklet units are reversed by being conveyed in a cantilevered manner along the outer peripheral surface of the reversing roller. can do. In this case, the reversing unit may include a drawing mechanism that lifts the plurality of sheets of booklet units supplied from the paper feeding unit to the vicinity of the upper end of the reversing roller. A reversing guide that guides the plurality of sheets in the reversing operation from the outside in the radial direction of the reversing roller may be provided at a position away from the reversing roller in the axial direction.

  In each of the bookbinding apparatuses, preferably, the jogger unit includes a first jogger mechanism that aligns two end sides along a transfer direction of a sheet transferred from the reversing unit to the jogger unit, and a sheet width orthogonal to the transfer direction. A second jogger mechanism that aligns two edges along the direction, and the first jogger mechanism has a pair of width guides arranged on both sides in the paper width direction, and at least one width The guide can be moved and adjusted in the paper width direction, and the second jogger mechanism can be moved in the transfer direction and the direction opposite to the transfer direction by a fixed guide disposed on the transfer direction side and a belt. The booklet after pressing is discharged by the belt and the movement guide.

  The present application also provides a bookbinding method in addition to the bookbinding apparatus described above, and includes a paper feeding step of supplying a plurality of sheets stacked in a temporary bonding state before pressurization in a booklet unit, and the plurality of sheets. A reversing step for reversing in a booklet unit, a jogger process for aligning the edges of the reversed plurality of sheets, and a pressing process for producing a booklet by finally pressure-bonding the aligned sheets. And a discharging step of discharging the produced booklet.

(1) According to the present invention, the reversing unit reverses a plurality of temporarily bonded sheets in booklet units, and then joggers and presses to arrange the disorder and to perform main bonding, so that the adhesive is applied. Compared with the structure that reverses the paper one by one, the efficiency of the reversing work and jogger work is improved, and the misalignment of the paper when loading after reversing can be corrected, and the adhesive adheres to the reversing part etc. Can be prevented.

(2) When the paper feed unit has an adhesive application mechanism and a stack supply mechanism that stacks and supplies a plurality of sheets in booklet units, the application, stacking, reversing, and main bonding are performed. Work can be carried out continuously, and the efficiency of bookbinding work is further improved.

(3) In the reversing part, a plurality of temporarily bonded sheets are sandwiched in a cantilevered manner at one end opposite to the adhesive application part by a reversing roller and a pull-in belt so as to be reversed. Thus, the reversing part itself can be made compact, and the adhesive can be reliably prevented from adhering to the reversing part.

(4) If the reversing unit is provided with a pulling mechanism that lifts the booklet-shaped paper to the vicinity of the upper end of the reversing roller, the paper fed from the paper feeding unit is once lifted upward and then reversed. The booklet-shaped paper loaded after reversing can be aligned and discharged at almost the same height as the paper feed height from the paper feed unit, and transported by the bookbinding device and the previous and next process equipment connected thereto. The height of the line can be made uniform, making the installation of equipment simple and compact. In addition, if a reversing guide for guiding the plurality of sheets during reversing operation from the outside of the reversing roller in the radial direction is provided at a position away from the reversing roller in the axial direction, Even the reversing portion that is reversed can bend the entire booklet uniformly and can be reversed without skewing.

(5) If the first and second jogger mechanisms for aligning the booklet edges in the direction orthogonal to each other are provided as the jogger part, the four sides of the plurality of temporarily bonded sheets can be reliably aligned, When the second jogger mechanism has a moving guide that can be moved by a belt, and the booklet is discharged after pressing by the moving guide, the number of parts of the discharging portion can be reduced and the number of parts after pressing can be reduced. The discharging operation can be performed efficiently.

(6) In the bookbinding method, the same technical effects as those described in the effect (1) can be obtained.

1 is a simplified side view of a bookbinding apparatus according to a first embodiment of the present invention. FIG. 2 is a schematic plan view of FIG. 1. FIG. 3 is a sectional view taken along line III-III in FIG. 2. It is an enlarged side view of the inversion part of the bookbinding apparatus of FIG. It is VV sectional drawing of FIG. It is a side view of the press part of the bookbinding apparatus of FIG. 1 which shows the state before a press. It is a side view of the said press part which shows the state in press. It is a perspective view which shows an example of the several paper (booklet) of a temporary adhesion state. It is a perspective view which shows another example of the several paper (booklet) of a temporarily bonding state. It is the side surface schematic of the said inversion part which shows the state before inversion start. It is the side surface schematic of the said inversion part which shows the state at the time of an inversion start. It is the side surface schematic of the said inversion part which shows the state at the time of completion | finish of inversion. It is a side view of the jogger part of the bookbinding apparatus of FIG. 1 which shows the state before a jogger. It is a side view of the said jogger part which shows the state in jogger. It is a side view of the said jogger part which shows the state at the time of jogger completion | finish. It is a side view of the said jogger part and discharge part which shows the state in the press. It is a side view of the said jogger part and discharge part which shows the state at the time of press completion. It is a side view of the said discharge part which shows the state at the time of discharge start. It is a side view of the said discharge part which shows the state in the middle of discharge. It is a side view of the discharge part which shows the state of the discharge process latter term. FIG. 2 is an enlarged view of a main part of a paper feeding unit of the bookbinding apparatus in FIG. 1. It is a simplified top view which shows the application example of the 1st Embodiment of this invention. FIG. 23 is an enlarged side view of a paper feeding unit and a jogger unit of the application example of FIG. 22.

  1 to 21 show a bookbinding apparatus according to a first embodiment of the present invention, and the first embodiment will be described based on these drawings.

(Example of booklet to be bound)
First, referring to FIG. 8 and FIG. 9, the form of a plurality of temporarily bonded sheets (booklets) supplied to the bookbinding apparatus of the present application will be described. The form of FIG. 8 is a booklet S in which a plurality of sheets P are temporarily bonded to each other with a phase adhesive at one end in the width direction. Reference numeral K denotes an adhesive application portion. Here, the temporary adhesion means that the adhesive is stacked in a state where the adhesive is not dried after the adhesive is applied to the paper P and before pressurization. Thus, the positions can be shifted from each other against the viscosity of the adhesive. The form of FIG. 9 is a form composed of a booklet S in a temporarily bonded state similar to FIG. 8 and a single sheet P1.

(Overview of the entire bookbinding device)
In FIG. 1, which is a simplified side view of the entire bookbinding apparatus, the bookbinding apparatus includes a sheet feeding unit 1, a reversing unit 2 disposed on the sheet feeding direction F 1 side of the sheet feeding unit 1, and a lower part of the reversing unit 2. The jogger unit 3 disposed, the press unit 4 disposed on the upper side of the jogger unit 3 (only the pressure plate 50 is displayed), and extends from the jogger unit 4 toward the discharge direction F2 parallel to the paper feed direction F1. A discharge unit 5 is provided. On the discharge direction F2 side of the discharge unit 5, for example, a sealing device 6 for sealing a bound booklet into an envelope is disposed. For convenience, the sheet feeding direction F1 and the discharge direction F2 are “front” of the bookbinding apparatus, the direction opposite to the sheet feeding direction F1 is “rear”, and the left and right directions viewed from the rear are the bookbinding apparatus, paper, and the like. Will be described below.

(Configuration of paper feed unit 1)
The paper feeding unit 1 supplies a plurality of sheets P to the reversing unit 2 in a temporarily bonded booklet unit (state shown in FIG. 8), and is viewed from one end in the width direction of the sheet, for example, from the rear. An adhesive application mechanism 11 that linearly applies an adhesive along the right end side and a stacking supply mechanism 12 that stacks a predetermined number of the plurality of sheets P and supplies them to the reversing unit 2 in booklet units are provided. .

  The adhesive application mechanism 11 includes an adhesive application nozzle 15 connected to an adhesive supply unit (not shown) and a pair of upper and lower transport belts 16. In the vicinity, a reading sensor 14 for reading an adhesive application necessity mark (bar code or the like) attached to each sheet P is arranged. That is, when the mark on the paper P is read in the vicinity of the entrance of the transport belt 16 and a mark indicating that an adhesive is required is read, the adhesive application nozzle is used while the transport belt 16 is transporting the paper P. The product is discharged from 15, the adhesive is linearly applied to the right edge of the paper, and supplied to the stacking supply mechanism 12. On the other hand, when a mark that does not require an adhesive is read, the adhesive is not discharged from the adhesive application nozzle 15 and is supplied to the stacking supply mechanism 12 by the transport belt 16. If the adhesive application necessity mark is not used, the conveyed paper P can be counted, and the necessity of adhesive application can be determined and controlled based on the paper supply order.

  The stack supply mechanism 12 includes a lower conveyor belt 17 that extends forward from the vicinity of the front end of the conveyor belt 16 of the adhesive application mechanism 11 in a substantially horizontal state or slightly upward, and an upper side of the rear portion of the lower conveyor belt 17. A short upper first conveyor belt 18 disposed, an upper second conveyor belt 19 extending forward from the vicinity of the front end of the upper first conveyor belt 18, and a substantially intermediate portion in the front-rear direction of the upper second conveyor belt 19. And a movable stopper 20 that can be moved up and down. The upper first conveyor belt 18 is disposed substantially parallel to the lower conveyor belt 17, but the upper second conveyor belt 19 is inclined forwardly and forward of the front end portion of the lower conveyor belt 17. It extends in the (paper feeding direction F1) and reaches the reversing unit 2. By disposing the upper second conveyor belt 19 in a front lowering direction, the vertical distance d between the upper second conveyor belt 19 and the lower conveyor belt 17 is gradually reduced toward the front. The movable stopper 20 is integrally formed with an abutting wall 20a projecting upward at the front end of an arm portion extending in the front-rear direction, thereby forming an approximately L-shape as a whole, and the rear end portion being horizontal. A hinge shaft 21 is rotatably supported. That is, by rotating around the hinge shaft 21, as shown by a solid line in FIG. 1, the ascending position where the contact wall 20 a protrudes above the upper end surface (conveying surface) of the lower conveying belt 17, and the imaginary line As shown, the abutment wall 20a can be displaced between a retracted position located below the upper end surface (conveying surface) of the lower conveying belt 17. As shown in FIG. 21, the reason why the lower conveyor belt 17 is installed in the front-up state is that the lower transport belt 17 is lower than the plurality of sheets P whose feed is temporarily restricted by the movable stopper 20. This is to smoothly insert new paper PO sequentially from the side.

  FIG. 2 is a simplified plan view of the bookbinding apparatus of FIG. 1, and a belt-like flat belt is used for the lower conveyance belt 17 and the upper first conveyance belt 18 of the paper feeding unit 1, and each is in the width direction (left-right direction). Two are arranged at intervals. The upper second transport belt 19 is a round belt having a circular cross section, and three upper belts 19 are arranged at intervals in the width direction. Of the three upper second conveyor belts 19, one is disposed at the center in the width direction (between the widths of the lower conveyor belts 17), and the remaining two are respectively positioned above the lower conveyor belts 17. It is arranged at a position outward in the width direction. The width of the movable stopper 20 substantially corresponds to the arrangement width of the upper second conveyor belt 19 at both ends in the width direction.

(Configuration of reversing unit 2)
In FIG. 1, the reversing unit 2 includes a reversing roller 30, a pulling roller 31 disposed behind the reversing roller 30, a pulling belt 32 wound around the rollers 30 and 31, and a lower part of the pulling roller 31. A conveyor belt 33 disposed on the side, and a plurality of rollers 35 for configuring a moving path of the pull-in belt 32.

  The movement path of the drawing belt 32 will be described. First, the drawing roller 31 is wound from the upper end portion to the lower end portion through the rear peripheral surface, extends to the front upper side, and then to the reversing roller 30. It is wound from the upper end portion to the lower end portion through the front peripheral surface, extends from the lower end portion to the rear lower side by a certain distance, then extends upward through the two rollers 35, and further passes over the reverse roller 30 to the rear. It extends so that it reaches the upper end of the drawing roller 31 again. Among the plurality of rollers 35, for example, the roller at the front upper end (position T) is connected to the driving source. By moving the pulling belt 32 in the direction of arrow B with this driving roller 35, the pulling roller is moved in the R2 direction. Simultaneously with the driven rotation, the reverse roller 30 is rotated in the R1 direction.

  The conveying surface (upper end surface) of the conveying belt 33 is inclined forward and abutted against the drawing belt 32 at the lower end portion of the drawing roller 31 and is uniquely connected to a driving mechanism.

  4 is an enlarged side view of the main part of the reversing unit 2, and FIG. 5 is a cross-sectional view taken along the line VV of FIG. In FIG. 4, the reversing unit 2 includes a reversing guide plate 36 and an introduction guide plate 37. The reverse guide plate 36 has an arcuate inner peripheral edge 36 a that substantially corresponds to the outer peripheral surface of the reverse roller 30, and the lower end portion of the inner peripheral edge 36 a extends along the movement path of the pull-in belt 32. 30 protrudes rearward and downward from a position corresponding to the lower end portion of the belt 30, and an upper end portion of the inner peripheral edge 36 a protrudes rearward and downward from a position corresponding to the upper end portion of the reversing roller 30 along the movement path of the pull-in belt 32. . The introduction guide plate 37 extends from the rear position to the vicinity of the lower end portion of the drawing roller 31 from the rear side of the drawing roller 31 substantially horizontally, and extends from the vicinity of the lower end portion of the drawing roller 31 to the front upper side substantially along the drawing belt 33. It reaches the vicinity of the upper end of the reversing roller 30.

  In FIG. 5, the reversing roller 30, the drawing roller 31 (FIG. 2), and the drawing belt 32 of the reversing unit 2 are arranged at the end of the paper P opposite to the adhesive application portion K side. For example, when the adhesive application portion K is located at the left end portion of the paper P when viewed from the rear, the reversing roller 30, the drawing roller 31 (FIG. 2), and the drawing belt 32 are the right end portion when viewed from the rear. Is arranged. As a result, the right end portion of the plurality of sheets of paper P in a booklet unit is sandwiched between the outer peripheral surface of the reverse roller 30 and the pull-in belt 32, conveyed along the outer peripheral surface of the reverse roller 30, and reversed. It is supposed to be.

  Two reversing guide plates 36 are provided, and are arranged on the left side with respect to the reversing roller 30 at sequential intervals. Specifically, it is arranged at a substantially left-right symmetrical position with respect to the center in the width direction of the paper. The introduction guide plate 37 is also provided in the same manner as the reversal guide plate 37, and is arranged on the left side with respect to the reversing roller 30 at a sequential interval.

(Jogger part 3)
In FIG. 1, the jogger unit 3 includes a pair of left and right width guides 40 as a first jogger mechanism for aligning the position in the width direction of a booklet (a plurality of sheets) S in a temporarily bonded state. As a second jogger mechanism for aligning the position of the booklet (a plurality of sheets) S in the front-rear direction, a fixed stopper 41 and a movable guide 42 movable in the front-rear direction are provided.

  Three moving guides 42 are provided on the surface of a jogger / discharge belt 43 extending in the front / rear direction at a predetermined front / rear direction interval, and the jogger / moving guide 42 moves in the front / rear direction together with the discharge belt 43. It can be done. The fixed stopper 41 is disposed near the rear end of the jogger / discharge belt 42.

  The left and right width guides 40 are disposed in front of the fixed stopper 41, and at least one of the pair of width guides 40 can be reciprocated in the left-right direction by an appropriate drive mechanism. Of course, both width guides 40 may be configured to be movable in the left-right direction.

  In FIG. 3, the jogger and discharge belt 43 is disposed at a substantially central portion in the sheet width direction, and the left and right width guides 40 are formed in an L shape when viewed from the front. In the vicinity of the left and right sides of the jogger and discharge belt 43, an inverted L-shaped auxiliary support plate 44 having a height substantially the same as the horizontal portion of the width guide 40 is disposed.

  That is, in the jogger unit 3, the temporarily bonded booklet S after being reversed is placed on the width guide 4 at the left and right end portions and the holding support plate 44 at the left and right center portion, and the reciprocating movement of the width guide 40 in the left-right direction, The left and right positions are aligned by the jogger operation.

  Further, in FIG. 1, by moving the jogger / discharge belt 43 in the direction of the arrow M2, the movement guide 42 positioned in front of the width guide 40 is moved rearward, and the gap between the movement guide 42 and the fixed stopper 41 is increased. The front and rear positions of the booklet S are made uniform.

  In FIG. 2, the fixed stoppers 41 are arranged on the left and right sides of the jogger / discharge belt 43 so as not to interfere with the jogger / discharge belt 43.

(Press part 4)
In FIG. 2, the press part 4 is disposed above the left width guide 40 as viewed from the rear, and the pressing plate 50 of the press part 4 is a horizontal portion of the left width guide 40 as shown in FIG. Are opposed to each other from above.

  6 and 7 are enlarged left side views of the press portion 4. The press portion 4 is connected to an air cylinder 55 having a rod portion 55a that can be retracted downward, and a lower end portion of the rod 55a. An L-shaped slide member 52 supported by a vertical guide rail 54 so as to be slidable in the vertical direction and the pressure plate 50 are provided. The pressure plate 50 is pivotally connected to the slide member 52 via a horizontal rotation shaft 51 at a substantially central portion in the front-rear direction, and moves in the vertical direction together with the slide member 52.

  That is, by extending the rod 55a of the cylinder 55, the slider member 52 and the pressure rod 50 are lowered, and as shown in FIG. 7, the left end portion of the booklet S placed on the left width guide 40 (applying adhesive) The portion K) is sandwiched between the horizontal portion of the left width guide 40 and the pressure plate 50, and is thereby permanently bonded.

(Discharge unit 5)
In FIG. 1, the discharge unit 5 is composed of a movement guide 42 of the jogger unit 3 and a jogger / discharge belt 43. By moving the jogger / discharge belt 43 in the direction of arrow M1 (discharge direction F2). The booklet S in the fully bonded state is pushed forward by the moving guide 42 and supplied to the enclosing device 6 in the next process.

  In FIG. 2, a discharge guide 59 having an L-shaped cross section extending forward from the left and right width guides 40 is disposed in the discharge portion 5 to prevent the booklet from being skewed.

(Bookbinding method and effects)
(1) Paper feeding process (1-1) In FIG. 1, in the paper feeding unit 1, the paper P for booklet is sent to the adhesive application mechanism 11 through the sensor 14 one by one from the previous process. It is sandwiched between the upper and lower conveyor belts 16 and conveyed forward. In the process of conveyance by the conveyance belt 16, the adhesive is discharged from the adhesive application nozzle 15 to the upper surface of the left end portion of the sheet P on the sheet P on which the adhesive is required to be applied by the sensor 14. Adhesive is applied in the form of an adhesive. In addition, as a pre-process, there is a paper cutting and dressing device.

(1-2) The paper P sent from the adhesive application mechanism 11 to the stack paper feeding mechanism 12 is sandwiched between the upper first transport belt 18 and the lower transport belt 17 and transported forward to be movable. It is sequentially loaded on the stopper 20. At this time, the movable stopper 20 is located at the ascending position indicated by the solid line, and the sheets P are sequentially stacked in a state where the positions in the front-rear direction are aligned by the front end of the sheets P contacting the contact wall 20a. Is done. That is, the sheets P are sequentially stacked in a temporarily bonded state. For example, when the state where the adhesive (glue) is completely dried is 100%, the temporarily bonded state before pressurization is a temporary bonded state of about 30%.

(1-3) When a necessary number of sheets P are stacked on the movable stopper 20, the movable stopper 20 descends as indicated by the phantom line, and the plurality of temporarily bonded sheets P are printed in a booklet. The unit is sandwiched between the lower conveyance belt 17 and the upper second conveyance belt 19 and conveyed forward, and supplied to the upper surface of the rear end portion of the conveyance belt 33 of the reversing unit 2. In the paper feeding step, the vertical distance d between the upper second conveyor belt 19 and the lower conveyor belt 17 is gradually narrowed toward the front, so that even a thick booklet S progresses forward. It can be smoothly held between the upper and lower conveyor belts 17 and 19. In particular, as shown in FIG. 9, even when the booklet S and the single sheet P1 are fed together, the booklet S and the single sheet P1 can be prevented from shifting. In addition, since the upper second transport belt 19 uses a round belt with a circular cross section, even if the booklet S is inflated by temporary adhesion, the booklet S is securely held in accordance with the shape. be able to.

(2) Inversion Process (2-1) FIGS. 10 to 12 sequentially show the inversion process, and the inversion process will be described with reference to these drawings and FIGS. As shown in FIG. 10, the temporarily bonded booklet S supplied to the rear end of the conveyance belt 33 is conveyed forward by the conveyance belt 33 and gradually rises. After being sandwiched, as shown in FIG. 11, it is raised to the vicinity of the upper end of the reversing roller 30 and is sandwiched between the reversing roller 30 and the retracting belt 32. In the ascending process, as shown in FIG. 4, the temporarily bonded booklet S is cantilevered by the drawing roller 31 and the drawing belt 32 at the right end portion while being guided along the upper edge of the introduction guide plate 37. Thus, the temporarily bonded booklet S is conveyed to the reversing roller 30 without variation and without the adhesive adhering to the drawing roller 31 or the like.

(2-2) As shown in FIG. 5, the booklet S having the right end portion sandwiched between the outer peripheral surface of the reversing roller 30 and the retracting belt 32 is supported in a cantilevered state. It is reversed by rotating around the outer peripheral surface downward. In this case, since the booklet S is sandwiched by the reverse roller 30 at the right end opposite to the adhesive application portion K, the booklet S does not vary and the adhesive adheres to the reverse roller 30 or the like. Not reversed. Further, the inner peripheral edge 36a of the two reversing guides 36 prevents the temporarily bonded booklet S from spreading outward in the radial direction, so that the booklet S covers the entire width while being supported in a cantilevered manner. And reversed in a state of being bent into substantially the same shape. Thereby, the dispersion | variation in the booklet S in the middle of being conveyed and reversed in circular arc shape can be prevented.

(2-3) After the reversal, as shown in FIG. 12, it is discharged onto the jogger portion 3 from the lower end portion of the reversing roller 30 to the rear lower side, and comes into contact with the fixed stopper 41 so that a predetermined amount in the front-rear direction is obtained. Stop in position.

(3) Jogger process (3-1) FIGS. 13 to 15 show the jogger process, and the jogger process will be described based on these drawings and FIGS. As shown in FIG. 3, the temporarily bonded booklet S transferred from the reversing unit 2 is supported by the left and right width guides 40 and the auxiliary support portion 44 at the center in the width direction, and as shown in FIG. The rear end of the booklet S is stacked near the fixed stopper 41.

(3-2) In the above state, the width guide 40 performs the jogger operation to the left and right, so that the position in the width direction (left and right direction) of the booklet S in the temporarily bonded state is aligned, and simultaneously shown in FIGS. As described above, by moving the jogger and discharge belt 43 in the direction of the arrow M2 and subsequently moving in the direction of the arrow M1, the booklet S is temporarily sandwiched between the movement guide 42 and the fixed stopper 41, and the booklet S Align the front and rear positions (edges).

(4) Pressing process FIG.16 and FIG.17 has shown the pressing process, and these and FIG.6 and FIG.7 demonstrate a pressing process. In FIG. 16, after correcting the disorder of the positions of the front, rear, left and right edges of the temporarily bonded booklet S by the joggers in the left and right and front and rear directions, the moving guide 42 on the jogger / discharge belt 43 is moved again to the booklet S. By contacting the front end and lowering the pressure plate 50, the left end portion (adhesive application portion K) of the temporarily bonded booklet S is clamped between the pressure plate 50 and the horizontal portion of the left width guide 40. Glue this. At this time, even if the thickness of the adhesive application portion K is not uniform and the surface of the booklet S is inclined or swollen, as shown in FIG. Since the central portion is rotatably supported by the hinge shaft 51, the pressure plate 50 is inclined around the hinge shaft 51 and pressurizes corresponding to the inclination or swelling of the surface of the booklet S. As a result, the adhesive application portion K of the booklet S is uniformly pressed and fully bonded over the entire length in the front-rear direction.

(5) Discharging Process (5-1) FIGS. 18 to 20 show the discharging process. The discharging process will be described with reference to these drawings and FIG. In FIG. 18, the booklet S is finally bonded by the pressing process, and after the pressure plate 50 is raised, the jogger and discharge belt 43 is driven in the direction of the arrow M1. As a result, the movement guide 42 located behind the fixed stopper 41 moves forward and passes between the pair of fixed stoppers 41 to contact the rear end of the booklet S as shown in FIG. Start pushing forward.

(5-2) Further, as shown in FIG. 20, the booklet S pushed by the moving guide 42 moves forward on the conveying surface of the jogger and discharge belt 43 and is discharged to the enclosing device 6 in the next stroke. .

(Summary of effects of embodiment)
In the present embodiment, a plurality of sheets of paper P are reversed in a temporarily bonded booklet unit (S), then aligned by a jogger and finally bonded by a press, so that the sheets are reversed one by one. Compared with the apparatus, the time for the reversing and main bonding operations can be greatly shortened, and the booklet S cantilevered by the reversing roller 30 can prevent the adhesive from adhering to the apparatus, the reversing roller 30 and the like. At the same time, the quality of the booklet S can be kept high.

  The temporarily bonded booklet S fed from the paper feeding unit 1 is once lifted up to the upper end of the reversing roller 30 by the transport belt 33 and the pull-in belt 32, and circulated downward along the outer circumferential surface of the reversing roller 30. Since the lower jogger unit 3 supplies the booklet, the sheet feeding height of the booklet from the sheet feeding unit 1 and the discharge height of the booklet S after the main bonding discharged from the jogger unit 3 through the discharge unit 5 are substantially omitted. It is possible to align the heights of various devices connected to the front and back processes of the bookbinding device, and to easily install the bookbinding line composed of the bookbinding device and the front and back devices. become.

[Application example]
22 to 23 are application examples of the bookbinding apparatus of the first embodiment, and the temporarily bonded booklet S supplied from the paper supply unit 1 is supplied to the jogger unit 3 without being inverted. After passing through the jogger process and the press process, it is changed so as to be discharged to the next process apparatus. That is, the reversing unit 2 described in the first embodiment is retracted upward or laterally, and in this application example, the layout of each unit described in the first embodiment is as shown in FIG. As shown in the plan view, the sheet feeding unit 1, the jogger unit 3 and the discharge unit 5 are arranged in directions perpendicular to each other. In other structures, parts similar to those in the first embodiment are denoted by the same reference numerals (numbers). In the case of implementing this application example, it is also possible to configure as one system that does not include an inverting unit.

  FIG. 23 is an enlarged cross-sectional view of the paper feeding unit 1 and the jogger unit 3. The movable stopper 20 of the paper feeding unit 1 is disposed above the lower conveyance belt 17, and the contact wall 20a of the stopper 20 is below. Protruding. Further, an additional lower conveyance belt 60 is disposed below the front end portion of the upper conveyance belt 19, and the additional lower conveyance belt 60 extends to the vicinity of one width guide 40 of the jogger unit 3. As in the case of the upper conveying belt 19, a round belt is used.

  The booklet S supplied in the paper feeding direction F1 from the paper feeding unit 1 to the jogger unit 3 in the temporarily bonded state is aligned in the paper feeding direction F1 by the jogger operation of the width guide 40, and at the same time, a fixed stopper (not shown). ) And the movement guide 42 of the jogger and discharge belt 43, the positions in the direction orthogonal to the paper feeding direction F1 are aligned.

Then, the adhesive application portion is pressed by the pressing plate 50 of the press unit 4 to be bonded, and then in the direction orthogonal to the paper feeding direction F1, by the jogger / discharge belt 43 and the moving guide 42, It is discharged to the next process.
[Other embodiments]
(1) In the first embodiment, the upper second conveyor belt 19 of the paper feeding unit 1 is arranged in a front-lowering state, but the lower conveyor belt 17 is arranged in a front-up with a large inclination angle. Accordingly, the distance d between the lower conveyance belt 17 and the upper second conveyance belt 19 can be gradually narrowed in the paper feeding direction F1.

Claims (7)

A paper feeding unit capable of supplying a plurality of sheets stacked in a temporarily bonded state before pressurization in a booklet unit;
A reversing portion capable of reversing the plurality of temporarily bonded sheets in booklet units;
A jogger part that aligns the edges of the plurality of papers in the temporarily bonded state that are reversed;
A press unit for producing a booklet by finally press- bonding the aligned sheets of the temporarily bonded state ,
A bookbinding apparatus comprising: a discharge unit that discharges the produced booklet.
The bookbinding apparatus according to claim 1,
The paper feeding unit includes an adhesive application mechanism that applies an adhesive along one side of the paper in the paper feeding direction, and a stacking supply mechanism that stacks and supplies the plurality of papers in booklet units. Has a bookbinding device. The bookbinding apparatus according to claim 1 or 2,
The reversing unit is composed of a reversing roller and a drawing belt wound around the outer peripheral surface of the reversing roller, and the reversing roller has an end piece portion opposite to the adhesive application side of the plurality of sheets in a booklet unit. A bookbinding apparatus that is sandwiched between a pull-in belt and a reversing unit by transporting a plurality of sheets in a booklet unit along the outer circumferential surface of a reversing roller in a cantilevered state. The bookbinding apparatus according to claim 3,
The bookbinding apparatus, wherein the reversing unit includes a drawing mechanism that lifts the plurality of sheets of booklet units supplied from the paper feeding unit to the vicinity of the upper end of the reversing roller. The bookbinding apparatus according to claim 4,
The bookbinding apparatus, wherein the reversing unit includes a reversing guide that guides the plurality of sheets in a reversing operation from the outside in the radial direction of the reversing roller at a position away from the reversing roller in the axial direction. The bookbinding apparatus according to any one of claims 1 to 5,
The jogger unit aligns two end sides along the sheet width direction perpendicular to the transfer direction, and a first jogger mechanism that aligns two end sides along the transfer direction of the sheet transferred from the reversing unit to the jogger unit. A second jogger mechanism,
The first jogger mechanism has a pair of width guides arranged on both sides in the paper width direction, and at least one width guide is movable and adjustable in the paper width direction.
The second jogger mechanism has a fixed stopper disposed on the transfer direction side, and a movement guide that is movable in the transfer direction and the direction opposite to the movement direction by a belt,
A bookbinding apparatus configured to discharge a booklet after pressing by the belt and the moving guide. A paper feeding process for supplying a plurality of paper sheets laminated in a temporary adhesion state before pressurization in a booklet unit;
A reversing step of reversing the plurality of temporarily bonded sheets in booklet units;
A jogger step of aligning the edges of the plurality of papers in the temporarily bonded state that are reversed;
A press process for producing a booklet by finally pressure-bonding the plurality of sheets of the temporarily bonded state aligned,
A bookbinding method comprising: a discharge step of discharging the produced booklet.

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