EP2123411B1 - Notch forming apparatus, bookbinding apparatus and bookbinding system - Google Patents

Notch forming apparatus, bookbinding apparatus and bookbinding system Download PDF

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Publication number
EP2123411B1
EP2123411B1 EP09160019A EP09160019A EP2123411B1 EP 2123411 B1 EP2123411 B1 EP 2123411B1 EP 09160019 A EP09160019 A EP 09160019A EP 09160019 A EP09160019 A EP 09160019A EP 2123411 B1 EP2123411 B1 EP 2123411B1
Authority
EP
European Patent Office
Prior art keywords
section
sheet
notch
sheet bundle
coversheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09160019A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2123411A3 (en
EP2123411A2 (en
Inventor
Kiyoshi Hata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Konica Minolta Business Technologies Inc
Original Assignee
Konica Minolta Business Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Konica Minolta Business Technologies Inc filed Critical Konica Minolta Business Technologies Inc
Publication of EP2123411A2 publication Critical patent/EP2123411A2/en
Publication of EP2123411A3 publication Critical patent/EP2123411A3/en
Application granted granted Critical
Publication of EP2123411B1 publication Critical patent/EP2123411B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/12—Perforating by punching, e.g. with relatively-reciprocating punch and bed to notch margins of work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/02—Means for moving the cutting member into its operative position for cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C5/00—Preparing the edges or backs of leaves or signatures for binding
    • B42C5/04—Preparing the edges or backs of leaves or signatures for binding by notching or roughening
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6538—Devices for collating sheet copy material, e.g. sorters, control, copies in staples form
    • G03G15/6541—Binding sets of sheets, e.g. by stapling, glueing
    • G03G15/6544—Details about the binding means or procedure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/14—Forming notches in marginal portion of work by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/14—Crank and pin means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C9/00—Applying glue or adhesive peculiar to bookbinding
    • B42C9/0006—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets
    • B42C9/0012—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets with a roller
    • B42C9/0018—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets with a roller for binding stacks of sheets one at the time
    • B42C9/0025—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets with a roller for binding stacks of sheets one at the time and subsequently applying a cover
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
    • G03G2215/00417—Post-fixing device
    • G03G2215/00426—Post-treatment device adding qualities to the copy medium product
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00789—Adding properties or qualities to the copy medium
    • G03G2215/00822—Binder, e.g. glueing device
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00919—Special copy medium handling apparatus
    • G03G2215/00936—Bookbinding

Definitions

  • the present invention relates to a notch forming apparatus to form a notch at an edge of the sheet conveyed and a bookbinding apparatus and bookbinding system to form a booklet by binding a coversheet and a sheet bundle formed by bundling a plurality of sheets on which a notch having been formed.
  • the sheet bundle is automatically formed by bundling the plurality of the sheets on which the image is formed through an image forming apparatus, and the booklet is formed by binding the sheet bundle and the coversheet with an adhesive.
  • the sheet bundle is formed by accumulating and aligning the plurality of the sheets having the formed image thereon.
  • the adhesive is applied on a spine of the sheet bundle having been accumulated and aligned.
  • the sheet is conveyed and stopped at a predetermined position to bind the coversheet at the spine of the sheet bundle.
  • the booklet is formed by combining the plurality of the sheets and the coversheet.
  • FIGs. 16a and 16b an example of a booklet configured with the sheet bundle and the coversheet is shown.
  • Fig. 16a shows a state where the coversheet K has not yet been folded
  • Fig. 16b shows a state where the coversheet K has been folded.
  • the sheet bundle Sa on whose spine SB the adhesive has been applied is moved in the direction shown by an arrow so as to be bound with the coversheet K, then the sheet bundle Sa is wrapped by the coversheet K in a channel shape.
  • a side edge section SE of the sheet bundle Sa and a side edge section KE of the coversheet K are aligned.
  • a notch Va is formed at the edge of the sheet S which represents the spine SB of the sheet bundle Sa so as to retain a space between the spine of the sheet bundle Sa and the coversheet K so that a large amount of the adhesive infiltrates between them, whereby the adhesive force between the sheet bundle Sa and the coversheet K is ensured.
  • a notch forming device is provided on a conveyance pass of the sheet on which the image has been formed, and such notch Va shown by Fig. 17 is formed at the edge of the sheet S.
  • Fig. 18a is an explanatory diagram showing a groove shape of the notch Va formed at the spine SB of the sheet bundle Sa and indicating a view the spine SB of the sheet Sa seen from a X direction in Fig. 17 .
  • a position of the notch Va formed on the sheet bundle Sa can be varied.
  • Fig. 18a shows, the position of the notch Va on each sheet S is not changed and the notch Va is formed at the same position on each sheet whereby the groove of the notches Va are formed in an vertical line.
  • the space between the spine SB of sheet bundle Sa can be retained and the large amount of the adhesive can be infiltrated between them.
  • the adhesive force between the sheets cannot be ensured and a part of sheets S may be fallen off from the booklet formed.
  • a space to shift the device to form the notch Va on the sheet S or the sheets S in a direction a or a direction b has to be retained inside the apparatus, resulting in that increasing of the apparatus size is incurred.
  • the displacement amount t of the notch Va for each sheet is 0.5 mm
  • a total displacement amount will be 150 mm, thus the space has to be retained in the directions a or b for that amount.
  • US-4,741,236 describes an apparatus for notching the back of a book.
  • the apparatus includes a conveyor for moving the book along a conveyor path with the back of the book exposed.
  • a cutter is provided for forming notches in the back of the book.
  • a cutter support disc supports the cutter adjacent the conveyor path and supports the cutter for movement along a path extending transverse to the conveyor path.
  • a first drive is connected with the cutter support discs for moving the cutter along a path extending transverse to the conveyor path. The first drive is operable in a timed relationship with the conveyor to form notches in the back of the book.
  • a second drive is connected with the cutter for moving the cutter relative to the cutter support disc to form notches in the back of the book. The second drive is operable independent of the first drive to maintain the cutter at a speed sufficient to form notches in the back of the book regardless of the speed of movement of the cutter support disc.
  • a first aspect of the invention provides a notch forming apparatus, having: a notch forming section to form a notch at a edge of a sheet; a move section to move a position of the notch formed through the notch forming section on the sheet; and a control section to control at least the move section so that the position of the notch is moved in a first direction every time the notch is formed on the single sheet or a plurality of the sheets, and when number of sheets on which the notch is formed reaches at a criterion number, the position of the notch is moved in a second direction opposite to the first direction.
  • a second aspect of the invention provides a bookbinding apparatus, having; the notch forming apparatus of the first aspect of the invention, and a bookbinding section to form a sheet bundle by accumulating the sheets on which the notch is formed though the notch forming apparatus and to form a booklet by biding the sheet bundle with an adhesive.
  • a third aspect of the invention provides a bookbinding system, having; an image forming apparatus to form an image on a sheet; and the bookbinding apparatus of the second aspect of the invention to form the booklet using the sheet on which an image is formed by the image forming apparatus.
  • Fig. 1 is an overall configuration diagram of a bookbinding system having an image forming apparatus A, a bookbinding apparatus B, a booklet storing apparatus C and an automatic document feeding apparatus DF.
  • the image forming apparatus A is provided with an image forming section wherein a charging section 2, an image exposing section 3, a developing section 4, a transfer discharging section 5 and a cleaning section 6 are disposed in a periphery of a rotating image carrier 1.
  • the image forming section charges a surface of the image carrier 1 through the charging section 2, thereafter forms a latent image by exposure scanning based on image data which is obtained by reading a document with a laser beam of the image exposing section 3. Then the latent image is developed by the developing section 4 to form a toner image on the surface of the image carrier 1.
  • the sheet S fed from the sheet storing section 7A is conveyed to a transfer position in the image carrier 1.
  • a transfer discharging section 5 discharges a surface of the sheet S and the sheet S is separated from the image carrier 1 and then conveyed through conveyance section 7B.
  • the toner image on the sheet S is fixed on the sheet S through the fixing section 8 with heat and the sheet S is ejected from the image forming apparatus A through sheet ejection rollers 7C.
  • the sheet S on which an image has been fixed through fixing section with heat is diverged from a sheet ejection pass through a conveyance pass changeover section 7D, and in reversal conveyance section 7E, the sheet is switched back and turned over. Then the sheet S is again conveyed to the image forming section and an image is formed on the reverse side of the sheet S.
  • the sheet S ejected through the sheet ejection rollers 7C is fed to the bookbinding apparatus B.
  • an operation section 9 is disposed on an upper part of the image forming apparatus A.
  • the contents of the job to be executed in the bookbinding system are inputted by an user through the operation section 9.
  • the bookbinding apparatus B is a case binding apparatus having a conveyance pass 10, a sheet ejection section 20, a reverse section 30, a sheet bundle storing section 40, an application section 50, a coversheet feeding section 60, a cutting section 70, and a booklet forming section 80.
  • the bookbinding apparatus of the present invention can be adaptable to a gluing bookbinding apparatus, which simply binds a sheet bundle with an adhesive besides the case binding apparatus.
  • Fig. 2 is a block diagram of a control system in the bookbinding system. Here main components are shown.
  • a main control section 100 of the image forming apparatus A and the post-processing control section 200 of the bookbinding apparatus B are connected via serial communication sections 101 and 102 (see Fig. 1 ).
  • the post-processing control section 200 controls each section of the bookbinding apparatus B.
  • the post-processing control section 200 serves as a control section.
  • the post processing control section 200 controls drive of each section described later so as to form a booklet. Namely, the post-processing control section 200 controls drive of a motor M1 to drive an application roller 51, a motor M2 to drive a punch 302 of a notch forming section 300, a motor M4 to drive a supporting member 41 to support the sheet bundle, a move section 400 to drive a notch forming section 300, a booklet forming section 80 and a cutting section 70.
  • Fig. 3 is a central cross-sectional view of the bookbinding apparatus B.
  • a conveyance pass changeover section Z2 located at an upstream side of the conveyance roller 11 in the sheet conveyance direction leads the sheet S ejected from the image forming apparatus A to either a conveyance pass a or a conveyance pass b.
  • the sheet S led to the conveyance pass a is grasped and conveyed through the conveyance rollers 11 and 12 and the lead to either the ejection sheet 20 or the reversal section 30 through the conveyance pass changeover section Z1.
  • the sheet S led to the conveyance pass b is grasped and conveyed through the conveyance rollers 14 to a booklet forming section 80 serving as a bookbinding section.
  • the conveyance pass a is provided with a sheet sensor SEN to detect the sheet S conveyed through the conveyance pass a.
  • the conveyance pass changeover section Z1 closes a conveyance pass c connected to the sheet bundle storing section 40 and open a conveyance pass d connected to the sheet ejection 20.
  • the sheet S passed through the conveyance pass d connected to the sheet ejection section 20 is grasped by conveyance rollers 21 and conveyed upward then ejected to a fixed sheet ejection tray 22 at an upper most section of the apparatus through ejection rollers 22.
  • the sheet S led to the conveyance pass c through the conveyance pass changeover section Z1 is grasped by the conveyance rollers 31, 32, 33 and 34 and stored in a predetermined position in the reversal section 30.
  • the reversal section 30 is provided with an obliquely disposed sheet loading table 35, a registration member 36 to register a rear edge of the sheet and an aligning member 37 to align the sheet S in a sheet width direction and conveyance rollers 38.
  • Fig. 4 is a cross-sectional view showing an inclination state of a sheet accumulating section in the sheet bundle storing section 40.
  • the sheet bundle storing section 40 is provided with a supporting member 41, a receiving board 42, a lateral aligning member 44 and a pressing member 45.
  • the sheet S placed on the sheet loading table 35 in the reversal section 30, is grasped by the conveyance rollers 38 and ejected from an opening opened by tilting of the registration member 36 then conveyed obliquely downward.
  • the sheet S is subsequently accumulated in the sheet bundle storing section 40.
  • the sheet bundle storing section 40 is provided with a support member 41 having an oblique accumulation surface and a receiving board 42 which can tilt.
  • a longitudinal aligning member 43 presses the rear edge of the sheet S in accordance with the size of the sheet S placed on the accumulating surface of the support member 41 so that the front edge of the sheet S comes in contact with the receiving board 42. Whereby the front edge of each sheet S is aligned.
  • the sheet S subsequently ejected from the image forming apparatus A is conveyed through switch back in the reversal section 30 and accumulated in the sheet bundle storing section 40, whereby the sheet bundle Sa configured with a plurality of the sheets S are formed.
  • the size of the sheet S and the number of sheets forming the sheet bundle Sa representing the setting conditions of the booklet formed by the bookbinding apparatus B is set through the operation section 9 of the image forming apparatus A or through an external equipment such as personal computer connected to the image forming apparatus A.
  • the lateral aligning member 44 performs lateral alignment in the width direction of the sheet by pressing a side edge of the sheet S transferred from the reversal section 30 and stored in the sheet bundle storing section 40.
  • the pressing member 45 presses the sheet bundle. Sa accumulated in the sheet bundle storing section 40 in a thickness direction of the sheet bundle Sa so as to grasp the sheet bundle Sa.
  • the pressing member 45 is operated by an unillustrated motor, so that the sheet bundle Sa is grasped by the supporting member 41 and the pressing member 45.
  • Fig. 5 is a cross sectional view showing a vertical state of a sheet accumulation section in the sheet bundle storing section 40.
  • the sheet supporting section 41 and the pressing section 45 gasping the sheet bundle Sa rotate centering around an axis 46 of the sheet bundle storing section 40 through a motor M4 and a drive section 47 so that the sheet bundle Sa becomes a vertical state from an oblique state.
  • the application roller 51 of the application section 50 is separated from a lower surface of the sheet bundle Sa.
  • the receiving board 42 rotates from a broken lines position to a solid line position in the figure by the unillustrated drive section.
  • Fig. 6 is a cross-sectional view of the sheet bundle storing section 40, the application section 50, the coversheet feeding section 60, the cutting section 70 and the booklet forming section 80.
  • the application section 50 is provided with the application roller 51, a drive section 52 to rotate the application roller 51, an adhesive container 53 to contain an adhesive N such as glue, a moving substance 54, movable from an initial position at back side of the bookbinding apparatus B to an application position at front side while supporting the adhesive container 53, a moving device 55 to reciprocate the moving substance 54 and a heating section 56 to heat the adhesive N contained in the adhesive container 53.
  • an adhesive N such as glue
  • a moving substance 54 movable from an initial position at back side of the bookbinding apparatus B to an application position at front side while supporting the adhesive container 53
  • a moving device 55 to reciprocate the moving substance 54
  • a heating section 56 to heat the adhesive N contained in the adhesive container 53.
  • the moving substance 54 in the application section 50 moves in a direction parallel to a longitudinal direction of the lower surface of the sheet Sa vertically held by the supporting member 41 and the pressing member 45 through the drive section 47.
  • the moving substance 54 starts moving from the initial position at the back side of the bookbinding apparatus B and moves along the moving device 55 then stops a predetermined position of the front side of the bookbinding apparatus B, and thereafter being driven backwards to return to the initial position.
  • Fig. 7 is a perspective view of vicinities of the application section 50.
  • the application roller 51 dipped in the adhesive N contained in the adhesive container 53 rotates through the motor M1 and the drive section 52. Through a forward travel or reciprocation of the moving substance 54, the application roller 51 applies the adhesive N on the lower surface of the sheet bundle Sa from the back side R to the front side F in the lower surface longitudinal direction of the sheet bundle Sa being held vertically.
  • the adhesive N applied on a circumferential surface of the application roller 51 is restricted in its layer thickness by a restriction member 57.
  • Fig. 6 shows, the coversheet K stored in a coversheet stacking section 61 of the coversheet feeding section 60 is separated and fed through the sheet feeding section 62, then grasped by the conveyance rollers 63, 64 and 65 to be conveyed to the booklet forming section 80.
  • the cutting section 70 integrated with the booklet forming section 80 cuts the coversheet K in a predetermined length in a conveyance direction of the coversheet K through a rotary cutter configured with a rotation blade 71 and a fixed blade 72.
  • the predetermined length is a length of two pieces of sheets S in the conveyance direction plus a length of the spine of the sheet bundle Sa.
  • the predetermined length is set 450 mm which is two times the length of the short side of A4 sheet 210 mm plus the thickness of the sheet bundle Sa 30 mm. In that way, the coversheet K is cut (a overall length of the coversheet K before cutting is 450 mm or more).
  • the predetermined length is set based on the length of the short side of the sheet and thickness of the sheet bundle.
  • the control section sets the predetermined length of the coversheet K.
  • the length of the coversheet K before cutting is determined in accordance with the maximum sheet number, and the coversheet K is stored in coversheet loading section 61 of the coversheet feeding section 60.
  • the booklet forming section 80 is provided with conveyance rollers 81 and 82 to receive and convey the coversheet K fed from the coversheet feeding section 60 and to stop the coversheet K at a predetermined position, a pressure member 83 to press the coversheet K onto an adhesive application surface of the sheet bundle Sa, a movable housing 84 to support the conveyance rollers 81 and 82, and the pressure member 83, and a hoisting section 86 which enables the aligning section 85 and the movable housing 84 to movement vertically in up and down direction.
  • the booklet forming section 80 and a booklet ejection belt 88 moves up and down integrally through the hoisting section 86.
  • the aligning section 85 moves from an initial position in accordance with the size of the coversheet K and presses the coversheet K before the cutting process at the both sides in the width direction of the coversheet K to conduct widthwise aligning.
  • the coversheets K of which skew is corrected by the widthwise aligning is switched back in an opposite direction to the input direction and conveyed to the cutting section 70 to be cut at the predetermined position.
  • the aligning section 85 again moves from the initial position so as to align the coversheet K by pressing the both sides of the coversheet K in the width direction, and stops the coversheet K at the predetermined position. Thereafter, the aligning section 85 returns to the initial position in order not to interfere the bonding of the coversheet K and the sheet bundle Sa then the booklet forming section 80 ascends subsequently. When ascending, the coversheet K is supported at a predetermined position.
  • the hosting section 86 moves the movable housing 84 upward by rotating the left and right belts. At the ascent position, a center area of the coversheet K loaded on the pressure member 83 is pressed onto the adhesive application surface of the sheet bundle Sa to be bonded. After completion of the application process of the adhesive on the sheet bundle Sa, the application section 50 is moved backward to be retracted.
  • the coversheet folding section has a pair of bilaterally symmetric forming members 87A and 87B.
  • the forming members 87A and 87B are detachable in the thickness direction of the sheet bundle Sa.
  • the forming members 87A and 87B fold the coversheet K along side edges of the application surface of the adhesive of the sheet bundle Sa, and overlaps the front coversheet and rear coversheet onto the front surface and rear surface of the sheet bundle Sa respectively.
  • the booklet forming section 80 descends by a predetermined amount through descent drive of the hoisting section 86, thereafter when the grasping of the grasping section is released, the booklet Sb falls and the lower surface of the spine comes to contact with the upper surface of the booklet ejection belt 88 then the booklet Sb is carried and ejected.
  • Figs. 8a, 8b, 8c and 8d are cross-sectional views of the booklet forming section 80.
  • Fig. 8a shows start of folding the coversheet
  • Fig. 8b show folding of the coversheet is in mid-course
  • Fig. 8c shows completion of folding the coversheet
  • Fig. 8d shows releasing of compression for coversheet folding.
  • Figs. 9a, 9b, and 9c are perspective views showing a forming process of the booklet Sb with the sheet bundle Sa and coversheet K.
  • Fig. 9a is a perspective view of the coversheet K and the sheet bundle Sa before a bonding process of the coversheet
  • Fig. 9b is a perspective view of the sheet bundle Sa to which the coversheet K is bonded
  • Fig. 9c is a perspective view of the booklet Sb formed with the sheet bundle Sa by case binding with coversheet K.
  • the forming members 87A and 87B are driven by the unillustrated drive section in an ascent state of the booklet forming section 80 shown in Figs. 8 .
  • the coversheet K is deformed from the side edge sections of the adhesive application surface of the sheet bundle Sa while being grasped by the forming members 87A and 87B (see Fig. 8b ).
  • the forming members 87A and 87B moves horizontally towards the adhesive application surface of the sheet bundle Sa and presses the both sides of the sheet bundle Sa for shaping, thereby forming the booklet Sa.
  • Fig. 10 is a cross-sectional view of a notch device 300.
  • the notch device 300 is provided with a die 301 firmly mounted at a sheet s conveyance pass, a punch 302 which ascends and fits the die 301, a drive section to ascend and descend the punch 302, and a trash box 303 to receive scrapes of the sheet S.
  • a circumference surface of the punch 302 facing the die 301 fits an inner surface of a guide member 304 so as to be capable of ascending and descending.
  • the drive section to ascend and descend the punch 302 is configured with a motor M2, a small gear 305 connected with the motor M2, a large gear 306 meshing with the small gear 305, a link 307 engaged with the large gear 306 at an eccentric position to be able to perform rocking motion and a connecting member 308 to connect the link 307 with an upper parts of the punch 302.
  • the punch 302 is driven up and down via the small gear 305, the large gear 306, a link 307 and a connecting member 308.
  • the punch 302 When the punch 302 is driven to be descent, the punch fits with the die 301, thereby forming the notch at an rear edge of the sheet S.
  • Fig. 11 is a plane view of the sheet S on which holes and notches are formed.
  • the notch Va As the shape of the notch Va, V-shape, and U-shape are used beside the semicircular shape.
  • the notch Va can be formed by punches and dies used for ordinal sheet files.
  • Number of the notches Va and holes H formed on the sheet S can be determined discretionary by adjusting number of the punches and dies.
  • Two notches shown by Fig. 11a have a diameter of 6 mm and a center-to-center distance between holes of 80 mm
  • three notches Va shown by Fig. 11b have the diameter of 6 mm and a center-to-center distance between holes of 108 mm.
  • two circular shape holes h have a diameter of 6 mm and a center-to-center distance between holes of 80 mm
  • three circular shape holes h shown by Fig. 11d have a diameter of 6 mm and a center-to-center distance between holes of 108 mm.
  • the sheet S ejected from the image forming apparatus A passes through the notch device 300 without being processed and the adhesive application process is carried out.
  • Fig. 12 is a front view of the notching device 300 and a moving section 400.
  • the move section 400 moves notch forming sections 300A, 300B and 300C having the punches 302 and the dies 301 in left and right directions (a horizontal direction perpendicular to the sheet S conveyance direction) in Fig. 12 .
  • the position of the notch Va formed on the sheet S is moved.
  • a rack gear 404 moves in left and right directions in Fig. 12 via a gear train configured with gears 401, 402 and 403.
  • the rack gear 404 With the rack gear 404, the notch forming sections 300A, 300B and 300C are engaged so that the notch forming sections 300A, 300B and 300C moves left and right directions by movement of the rack gear 404.
  • the notch forming sections are three, number of the notch forming sections can be set discretionary according to the number of the notches and the holes to be formed on the sheet S.
  • the notch forming apparatus is configured with a post-processing control section 200, the notch forming sections 300A, 300B and 300C, and the move section 400.
  • Fig. 13a, 13b and 13c are a perspective view, a front view and a partial magnified view respectively showing the sheet bundle Sa having the notches Va.
  • Fig. 13a is a perspective showing a sheet bundle Sa formed by accumulating the sheets S on which four notches Va are formed.
  • Fig. 13b is a front view of the spine of the sheet bundle Sa, and
  • Fig. 13c is a partial magnified view of the spine of the sheet bundle Sa.
  • the adhesive N is applied to the spine of the sheet bundle Sa through the application section 50 shown in Fig. 5 .
  • the adhesive N is applied to the spine and infiltrates into the notched Va so as to form a adhesive surface.
  • Figs. 13b and 13c show, the positions of notches Va are shifted in the horizontal direction for each sheet, thus the groove configured with the notches Va forms a diagonal line.
  • the adhesive can adhere at a shifted portion (portion c in Fig. 13c ) and the bonding force between the sheets S is enhanced.
  • the potions of the notches can be shifted for every plurality of sheets (for example every two sheets) for simplifying the controls.
  • the post-processing control section 200 controls operation of the move section 400, so that the notch forming sections 300A, 300B and 300C are moved in the horizontal direction for every sheet.
  • Fig. 13b shows, to enhance the adhesive force between the sheets, it is effective that the positions of the notches Va are shifted so as to form the grooves configured with the notches Va diagonally.
  • a space for the notch forming sections 300A, 300B and 300C for forming the notch Va to move in the horizontal direction has to be retained in the bookbinding apparatus B, thereby causing increase of size of the bookbinding apparatus B.
  • the moving direction of the notch forming sections 300A, 300B and 300C is changed when the number of sheets reaches at a criterion number by sensing the number of sheets S on which the notches Va are formed in the bookbinding apparatus B.
  • This aspect will be specifically described with reference to the Figs. 14 and 15 .
  • Fig. 14 is a flow chart showing operation to shift the positions of the notches.
  • a judging step (Steps S4 and S9) are executed in the post-processing control section 200 of the bookbinding apparatus B.
  • the bookbinding apparatus B receives the sheet S from the image forming apparatus A and the sheet S is conveyed by the conveyance rollers 11 (Step S1). Then the sheet S is detected by a sheet sensor SEN disposed at the conveyance pass a in the bookbinding apparatus B (Step S2), and the post-processing control section 200 increments a counter value of a counter in the bookbinding apparatus B by one (Step S3) when a detection signal from the sheet detection sensor SEN is received. The count value is stored in a memory section (RAM) in the bookbinding apparatus B.
  • RAM memory section
  • the criterion number of the sheets is a value representing a timing at which the moving direction of the notch forming sections 300A, 300B and 300C is changed.
  • the notch forming sections 300A, 300B and 300C are moved by a predetermined distance (for example, 0.5 mm) in accordance with information of a moving direction (for example, right direction in Fig. 12 (first direction))memorized in the memory section (RAM)(Step S5) without changing the moving direction of the notch forming sections 300A, 300B and 300C. Then notch forming process to form the notch Va on the sheet S is carried out by the punch 302 (Step S8).
  • Step S6 the information for moving direction stored in the memory section (RAM) is modified, and in accordance with the modified information of the moving direction (for example, left direction (second direction) in Fig. 12 ) the notch forming sections 300Z, 300B and 300C are moved by a predetermined distance (for example, 0.5 mm)(Step S7), and the notch forming process is carried out by the punch 302 so as to from the notch Va on the sheet S (Step S8).
  • a predetermined distance for example, 0.5 mm
  • Step S9 whether or not a last page of the job to form the booklet is judged (Step S9), and if it is not the last page, the operation returns to Step S1.
  • Step S7 the moving direction is changed thereafter operation of Steps S1, S2, S3, S4 S5 and S8 are repeated.
  • the groove of notch Va formed on the spine of the sheet bundle Sa forms an inverted diagonal line in respect to that before the moving direction is changed.
  • Step S4 in Fig. 14 the notch forming sections are moved for every single sheet, however, it can be moved for every plurality of the sheets (for example, every two sheets).
  • the shape of the grooves formed by the notches Va becomes the shape in Fig. 15 for example.
  • the groove of the notches Va on the spine of the sheet bundle Sa forms so-called a zig-zag shape as Fig. 15 shows, and a distance H of the groove in the horizontal direction in Fig. 15 is short compare to the distance H of the groove in the horizontal direction in Fig. 13b .
  • a moving range of the notch forming sections 300A, 300B and 300C is within the distance H of the groove in Fig. 15 , thus a large space in the horizontal direction is not necessary.
  • adhesive force between the sheets can be enhanced.
  • Fig. 15 while the grooves formed by the notches Va are four, the number of the grooves can be increased or decreased where necessary.
  • the shifting distance of the notches defers a condition of booklet formed (adhesive force and appearance).
  • Fig. 13c shows, the position of the notch Va is shifted by shifting amount t for every single sheet and the width of the groove formed by the notches Va is d in Fig. 13c .
  • the width d of the groove formed by the notches Va increases, thus more adhesive infiltrates into the groove section and the adhesive force is enhanced.
  • the groove from by the notched Va becomes visible faintly on the spine of the booklet formed, which deteriorates the appearance.
  • an appropriate value of the width d of the groove formed by the notch Va is a value in a range of 0.5 mm to 1.5 mm, and the post-processing controls section 200 controls the movement of the notch forming sections 300A, 300B and 300C so that the width d of the groove is in the range thereof.
  • the image forming apparatus A and the bookbinding apparatus B are separate units, however the apparatuses thereof can be integrated.
  • the notch forming sections 300A, 300B and 300c are moved by the move section 400 in respect to the sheet S, however the sheet S can be moved in respect to the notch forming sections 300A, 300B and 300C so as to shift the positions of the notches.
  • notch forming sections 300a, 300B and 300c are separate units, they can be integrated into one notch forming section having a plurality of the punches.
  • the adhesive force between the sheets in the booklet is enhanced and increase of size of the apparatus can be avoided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP09160019A 2008-05-20 2009-05-12 Notch forming apparatus, bookbinding apparatus and bookbinding system Active EP2123411B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008131697A JP2009279776A (ja) 2008-05-20 2008-05-20 切欠き形成装置、製本装置及び製本システム

Publications (3)

Publication Number Publication Date
EP2123411A2 EP2123411A2 (en) 2009-11-25
EP2123411A3 EP2123411A3 (en) 2010-06-23
EP2123411B1 true EP2123411B1 (en) 2011-09-28

Family

ID=40929632

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09160019A Active EP2123411B1 (en) 2008-05-20 2009-05-12 Notch forming apparatus, bookbinding apparatus and bookbinding system

Country Status (5)

Country Link
US (1) US20090290959A1 (zh)
EP (1) EP2123411B1 (zh)
JP (1) JP2009279776A (zh)
CN (1) CN101585271B (zh)
AT (1) ATE526129T1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5169524B2 (ja) * 2008-06-20 2013-03-27 コニカミノルタビジネステクノロジーズ株式会社 切欠き形成装置、製本装置及び製本システム
JP4609538B2 (ja) * 2008-07-01 2011-01-12 コニカミノルタビジネステクノロジーズ株式会社 切欠き形成装置、製本装置及び製本システム
CN102744999B (zh) * 2012-07-26 2014-11-26 安徽新华印刷股份有限公司 一种胶订包本机的书芯拉槽装置
JP5890505B1 (ja) * 2014-10-14 2016-03-22 ファナック株式会社 基板を切断するための切断装置、ロボット、およびロボットシステム
JP2022124019A (ja) * 2021-02-15 2022-08-25 セイコーエプソン株式会社 後処理装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741236A (en) * 1986-08-18 1988-05-03 Harris Graphics Corporation Apparatus for notching the back of a book
US5542800A (en) * 1995-04-03 1996-08-06 R. R. Donnelley & Sons Company Method and system for binding a pack of signatures
JPH10226455A (ja) * 1997-02-18 1998-08-25 Kobayashi Kirokushi Co Ltd 背糊の接着方法
JPH1135222A (ja) * 1997-07-15 1999-02-09 Canon Inc 製本装置
EP1382461B1 (de) * 2002-07-19 2006-04-26 Müller Martini Holding AG Vorrichtung zum Kerben eines aus zusammengepressten Druckbogen gebildeten Buchblockrückens
JP2006056651A (ja) * 2004-08-19 2006-03-02 Konica Minolta Business Technologies Inc 画像形成システム
JP4618055B2 (ja) * 2005-08-31 2011-01-26 コニカミノルタビジネステクノロジーズ株式会社 製本装置及び画像形成システム

Also Published As

Publication number Publication date
US20090290959A1 (en) 2009-11-26
JP2009279776A (ja) 2009-12-03
EP2123411A3 (en) 2010-06-23
CN101585271A (zh) 2009-11-25
EP2123411A2 (en) 2009-11-25
ATE526129T1 (de) 2011-10-15
CN101585271B (zh) 2011-12-07

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