JPH08310152A - Bookbinding method for reverse saddle binding book - Google Patents

Abstract

PURPOSE: To improve the bookbinding efficiency by reverse saddle binding the back of stacked text fold section groups from below, obtaining the reverse saddle binding of the text fold section, then coating along the back surface of a saddle binding with paste, and supplying the cover fold section to the saddle binding to be stuck. CONSTITUTION: Text fold sections 2a are sequentially supplied from a plurality of text fold section feeders 4 to a conveying chain mechanism 1, and the back of the stuck section 2a group is reverse saddle bound from below. The back surface except the longitudinal top and bottom cut margin 2c of the reverse bounding saddle binding (a) is coated with paste of predetermined width, then a cover fold section 2b is supplied from a cover fold section feeder 10 to the binding (a), and the back side of the section 2b is pressed by a pressing roller 11. The section 2b is stuck to the back side of the binding (a), and a saddle binding (b) concealed at the binding needle exposed part of the binding (a) is formed of the section 2b. Then, the binding (b) is cut at top and bottom and header from the part of the margin 2c by a three-way cutter to obtain the reverse saddle binding.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to an improved reverse saddle stitch bookbinding method.

[0002]

TECHNICAL BACKGROUND OF THE INVENTION For example, among the textbooks for elementary school students lent by the Ministry of Education, the saddle-stitched textbook has both bent ends of the binding needle exposed as it is inside the textbook. Since there is a risk of bending the bent end of the needle and pulling out the binding needle to break up the book or injuring the fingertip during mischief, the Ministry of Education has recently been using this kind of textbook for elementary school students. The saddle stitching means instructs to saddle-stitch from the inside of the book to the outside. However, this type of saddle stitch book, as is well known, is saddle stitched by a text folding feeder, a cover folding feeder, and a transport chain mechanism and a stitcher mechanism for each of the two parallel signatures corresponding to these, and a saddle stitching machine is used. And cut it into a book,
Since the reverse saddle stitch textbook as instructed by the Ministry of Education cannot be obtained by using the conventional device and folding the book as it is, the textbook maker is now using the reverse booklet as the reverse book. First, the front cover flaps are first collated with the transport chain mechanism by the cover folding feeder, and then the main text flaps are sequentially collated onto the conveyor chain mechanism, and then the stitcher mechanism is used in the same way as the conventional binding method. After binding, the entire saddle stitch textbook is bent again in the opposite direction, and the book is stretched with a cross tensioning machine over the entire length of the back of the book so as to cover the bent end of the binding needle that appears on the surface. I was getting a saddle stitch textbook. However, since the folds themselves are mechanically folded, the folds are strong and sharp, and the saddle stitch book obtained by stacking many folds with such folds is re-folded from the folds. On the contrary, folding is a difficult task, and it is impossible to completely reverse it along the first fold, so when you open the obtained book, the pictures of the adjacent pages do not match. There are many inconveniences, such as the occurrence of misalignment or the exposure of unnecessary parts on other pages due to misalignment. Especially in the case of maps and the like, it may not be possible to use it for learning due to inconsistencies in the lines between adjacent pages. There is a serious drawback, and in addition, there is a problem that the cost is increased due to the increase in the number of processes.

In response to such a problem, a hollow needle having a thread groove on the outer periphery is pierced upward from the lower side of a group of signatures which is operated on a chevron-shaped guide plate, and is discharged from the hollow needle. Japanese Utility Model Publication No. 47-29445 discloses a means for making a saddle stitch without using a binding needle by infiltrating a liquid adhesive to the piercing hole. It is recognized that the saddle stitch book obtained by this device does not expose the staples and the pictures are not damaged by the staples, and is safe and inexpensive by not using the staples. However, since the hollow needle has a screw groove, when the hollow needle is pulled out while rotating, inward folds are generated on the signature and the aesthetics such as pictures are impaired compared to when using the suture needle. Is large, and finish cutting is performed by three-way cutting before the liquid adhesive dries, pages of the center folding part are adhered, and the page is damaged at the time of opening the book. However, there is also a problem that the cost of books becomes high as a whole.

Furthermore, a saddle-stitching bookbinding apparatus using a saddle-stitching machine has a stitcher mechanism for saddle-stitching after stacking a stack of signatures on the upper side of a stack of signatures. It was the one that was bound. This kind of thing is bad looking because the binding needle appears on the back side of the cover. However, in recent years, there is a saddle stitch book in which only the cover sheet is glued later without saddle stitching the cover sheet with the saddle stitching machine at the same time as other signatures. A book without a bound cover was glued on the cover with another machine. This kind of bookbinding work is not only inefficient or expensive because it is divided into at least two books. There was an economic inconvenience such as a separate binding machine equipment requirement.

[0005]

2. Description of the Related Art As a means for solving the above-mentioned problems, a reverse saddle stitching device disclosed in Japanese Utility Model Publication No. 63-5900 and a front cover shown in Japanese Utility Model Publication No. 3-29169 are saddle-stitched and bound together. The applicant of the present invention has proposed a saddle stitch bookbinding device in which the binding needle does not appear on the surface. In the former reverse saddle stitching device, the main body signatures and the front cover signatures, which are sequentially supplied from the folding machine (feeder) onto the chevron-shaped guide plate, are collated sequentially by the two parallel transport chain mechanisms. In a device for saddle stitching, which is operated by a stitcher mechanism that is provided along the line of the transport chain mechanism and that reciprocates a required stroke along this line,
A stitching member that constitutes the stitcher mechanism, and a stapling member that saddle-stitches a group of signatures from below is arranged on the lower side of the guide plate, and a crushing member of the staple corresponding to this stapling member is arranged on the upper side of the guide plate. Is.

In the former saddle-stitching device obtained by the former reverse saddle-stitching device, since both bent ends of the binding needle are exposed as they are on the back surface of the cover, the variation of the signature from the inside of the saddle-stitching book does not occur. Although it can be prevented, the bending ends of the binding needle appearing on the surface are in a state where children are likely to mischief, rather the risk of breaking the book apart or injuring the fingertips during mischief is increased. The task of being broadened is still left.

On the other hand, the construction of the latter saddle-stitching apparatus is such that it is horizontally traversed horizontally with respect to the machine frame, and is engaged with both upper sides of the rear end edge of the signature folded over at regular intervals. The required number of folding feeders are arranged above the upper side of the endless chain with the operator, and the stitcher mechanism is intermittently moved up and down on the lower side of this group of feeders. On the lower side of, a gluing device having a vertically movable elastic coating member that is in contact with the surface back side of the stack of folded plates that is moving and that applies a sizing material over the entire length is further provided.
A cover sheet feeder for supplying a cover sheet is arranged on the lower side of the gluing device, and the back side of the cover sheet is pressed to the lower side of the cover sheet feeder so that it can be moved up and down. A press roller having a V-section which is elastically mounted is arranged.

The saddle stitch book obtained by this latter device is
There is an advantage that the staples appearing on the back surface are hidden by the cover and a high-quality saddle stitch book can be obtained, but since both bent ends of the staples are exposed as they are inside the book, it is possible that the book is misled by children. The risk of injury to the roses and fingertips has not been eliminated. Furthermore, since the means for adhering the glue in this device is a contact type, there is complexity in the means for responding to changes in the wall thickness of the stacking stack group, and since the paste is applied over the entire length of the surface of the stack, When trimming the top and bottom of the saddle stitch book by trimming in the later process, glue adheres to the cutter and impairs the sharpness of the cutter, and the work of the entire machine including cleaning of the cutter is forced to be interrupted and the binding efficiency is impaired. There are inconveniences such as doing.

An object of the present invention is to provide a bookbinding method capable of reasonably preventing damage and injury of a saddle stitch book due to mischief of children by a simple means and further improving the bookbinding efficiency. is there.

[0010]

[Means for Solving the Problems] The above object is to stack and feed a plurality of text signatures from a text signature feeder with a plurality of text signature feeders arranged in parallel, and to supply the back of the stacked text signature groups. Reverse saddle stitching from the bottom to obtain a reverse-folded saddle-stitched booklet with folded text, a step of spraying and applying a glue of the required width along the back surface of this reverse-stitched saddle stitcher, from the cover-folded sheet feeder The step of feeding the cover page on the reverse-binding saddle-stitch book, the step of pressing the back side of the cover page with the pressing means and adhering the cover page to the back side of the reverse-binding saddle book, by three-way cutting The process of cutting the top and bottom and the edge to obtain a saddle-stitched booklet. The above object is achieved by the method of bookbinding for reverse saddle stitch bookbinding according to claim 1, characterized in that a sizing agent is sprayed and applied to a portion other than a required front and rear length of the back portion of the reverse stitch saddle stitch book. The above-mentioned object is a step of stacking and feeding the text sheets in sequence on a lower conveying means from a text sheet feeder in which a plurality of text sheet feeders are arranged in parallel, and the back portion of the stacked text sheets is reversely bound from the lower side to fold the text sheet. A step of obtaining a reverse binding saddle stitch book of a book, a step of reversing the obtained reverse binding saddle stitch book by 180 ° and sequentially transferring to a clamp means of another transport means in a posture with the back part facing downward, the transport means The step of applying a glue to the downward spine of the reverse-binding saddle stitch during the transportation by the reverse binding saddle-stitch book with the glue, is fed from the cover-folding feeder to the lower side of the transporting means, and Separately from the movement of the conveying means, a step of feeding onto a cover sheet that is in a standby state in a temporarily stopped state, while the reverse binding saddle stitch book with the cover sheet is being conveyed, the back side is clamped by another clamp means. The process of pressing and adhering the cover page to the back of the saddle-stitched book After opening the reverse binding in spelling present from the clamping means is achieved me in obtaining a saddle stitching and decorative cutting the top and bottom and fore edge at three sides trimmer.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION The embodiments of the present invention will be described in detail with reference to the drawings. 1 is an explanatory view of the reverse saddle stitching device, and FIG. 2 is FIG.
3 is a sectional view taken along line AA of FIG. 3, FIG. 3 is a sectional view taken along line BB of FIG.
FIG. 4 is a front view of the reverse binding saddle stitch book showing the spray application range of the glue, and FIG. 5 is an explanatory view of another embodiment of the reverse saddle stitching device.

Reference numeral 1 shown in FIG. 1 is a long transport chain mechanism which is vertically mounted on a machine frame (not shown). The transport chain mechanism 1 is composed of two parallel chains as shown in FIG. It is configured. And each of the transport chain mechanisms 1
In each of the predetermined intervals, there are a main body folded sheet 2a and a cover sheet folded sheet 2 which will be described later.
A pusher mechanism 3 is provided which is in contact with both sides of the rear edge of the b and operates at a predetermined transport speed. Above the upper side of the transport chain mechanism 1, a plurality of text folding feeders 4 necessary for saddle stitch bookbinding are arranged in parallel, and a required number of text foldings supplied from each text folding feeder 4 are provided. The tablets 2a are sequentially stacked and are transported to the lower side by the transport chain mechanism 1 and the pusher mechanism 3 provided therein. Reference numeral 5 in the drawing denotes a guide plate for mounting and supporting the text folding tab 2a whose front shape is opened in a mountain shape.

Under the middle portion of the guide plate 5 in the transport chain mechanism 1 at a portion past the document folding feeder 4 on the lowermost side, the same proceeds at the same speed as the transport chain mechanism 1 in the same direction, and A stapling member 6a is saddle-stitched from below to form a reverse-stitched saddle-stitch book a, and the stapling member 6a is provided upward and the stapling needle is reciprocally moved corresponding to the stapling member 6a. A crushing member 6b is provided in the upper part of the back side of the folding plate 2a, and the stitching member 6a and the crushing member 6b of the binding needle constitute the stitcher mechanism 6. In the figure, 7 is a steel wire bobbin that serves as a binding needle, and 8 is a drive motor.

The lower side of the stitcher mechanism 6 is located above the transport chain mechanism 1, and more specifically, the text folding plate 2 during movement.
A nozzle 9 for injecting a sizing agent downward is disposed so as to be vertically movable above the back surface of the reverse-binding saddle stitch book a by a. The nozzle 9 is configured so that the controller receives the velocity signal of the collator from the rotary encoder, for example, and sprays the glue in spots, in a broken line, continuously, and in the main text section 2.
Spraying can be automatically applied according to the length of a, and in particular, the main body 2a, that is, the top and bottom cutting margins 2c at the back front and rear ends of the reverse-binding saddle stitch book a, are left on the other back. Is controlled so that spray coating can be performed.

Further, above the lower side of the sizing agent spraying nozzle 9, a cover sheet 2b is placed on a reverse-saddling saddle-stitch book a which has been glued.
A cover-folding sheet feeder 10 for supplying the sheet is provided, and the back portion of the cover-folding sheet 2b supplied to the lower side of the feeder is pressed from above, and the reverse-binding saddle-stitched booklet a coated with the adhesive is attached. Clamping means for equalizing the entire area on the back side or a pressing roller 11 having a V-shaped cross section for partially pressing the back cover 2b for adhering the cover folded sheet 2b to the surface is provided. Although not shown in the drawing, the pressing roller 11 is urged downward by a spring or the like so that it can move up and down and can cope with a change in thickness of the folding tab. In this embodiment, the illustration of the three-way cutting machine is omitted.

[0016]

[Description of Bookbinding Method] A bookbinding method using the reverse saddle stitching apparatus will be described. A plurality of text folding feeders 4 sequentially feed text foldings 2a onto the lower transport chain mechanism 1,
The back of the stack of the folded texts 2a is stacked from the lower side from the lower side with the stapling member 6a of the stitcher mechanism 6 and the crushing member 6 of the staples.
Reverse binding with b. After the back surface of the reverse binding saddle stitch a, which has the front and rear top and bottom trimming margins 2c, and a required width of glue are sprayed and applied by the nozzle 9, the cover sheet folding feeder 10 is used to reverse-fold the saddle stitch booklet 2b. Then, the back side of the cover sheet 2b is pressed by the pressing roller 11, the cover sheet 2b is adhered to the back side of the saddle stitch booklet a, and the cover sheet 2b is reversely bound. A saddle stitch book b in which the exposed staple portion of the saddle stitch book a is hidden is configured. Then, the saddle-stitch book b is cut from the top-and-bottom cutting margin 2c by a three-side cutting machine (not shown), and the edge is cut to obtain a reverse saddle-stitch book.

The details of another embodiment will be described with reference to FIG.
Reference numeral 1a is a transport chain mechanism having an independent drive structure of two parallel lines which is vertically mounted on a machine frame (not shown), and the same structure as that of the first embodiment described above is denoted by the same reference numeral for detailed description. The description is omitted. Reference numeral 12 is a drive motor for the transport chain mechanism 1a. Reference numeral 13 denotes a transfer chain mechanism that is mounted so that the forward and backward paths horizontally rotate with respect to a machine frame (not shown).
The transport end of the transport chain mechanism 1a and the return transport start end of the transport chain mechanism 13 form the reverse-binding saddle stitch a by 180 °.
It is connected by means of inversion. On the other hand, the reverse chain saddle-stitch book a is provided at the transport chain mechanism 13 at predetermined intervals.
Clamping means 14 for holding and supporting the middle part of the reverse side from the left and right sides are attached, and a device 15 for applying a glue to the back part of the reverse binding saddle stitch book a is arranged below the middle part of the return path of the transport chain mechanism 13. is there. The glue applying device 15 is configured such that the glue in the tank 15a is uniformly applied by touching the two parallel rotating rollers 15b, and the glue applying device 15 is provided on the back portion of the reverse binding saddle stitch book a. It is desirable to be able to adjust the vertical movement in order to make the touches even. The paste applying device 15
A cover feeder 16 is arranged below the lower side of the lower cover, and a stopper 17 for temporarily stopping one flat cover 16a supplied with the cover feeder 16 irrespective of the backward operation of the transport chain mechanism 13 It is provided so that it can be raised and lowered so as to sandwich it. Furthermore, this stopper 17
A guide bar 18 is provided on the lower side of the cover 16a for folding the cover 16a in two upwards from the center and pressing and adhering the cover 16a to the back portion of the reverse binding saddle stitch book a sandwiched and supported by the clamp means 14. Clamping means 19 is located below the clamping means 14 on the lower side of the guide rod 18 and clamps and supports both sides of the back of the reverse binding saddle stitch book a for a short distance.
To arrange. The clamp means 19 is configured so that the operations of pinching, separating, returning, and pinching the back can be performed in a limited section with good timing, as indicated by the arrow. At the trailing end of the transport chain mechanism 13, the clamping support by the clamping means 14 is released, and a saddle stitch book b in which the staple exposed portion of the reverse binding saddle stitch book a is hidden by the cover 16a is obtained. Next, this saddle-stitched book b is cut upside down by a three-sided cutting machine (not shown) to obtain a reverse saddle-stitched book.

[0018]

As described above, according to the configuration of the present invention,
The following effects can be obtained. (A) A reverse-stitched saddle stitch book held by the straight portions of the staples is obtained inside the stack of folded texts, and both bent end portions of the staples exposed on the back side of the reverse stapled booklet are obtained. Is hidden by the front cover and you can easily get a reverse saddle book that children can not easily mischief. (B) By applying the sizing agent to the other part of the reverse-binding saddle-stitch book, except for the top and bottom cutting allowance of the required length in the front and back, the sizing agent adheres to the cutter when the top and bottom is cut by the three-way cutting machine Therefore, the sharpness of the cutter is impaired, and the entire bookbinding work is not interrupted by cleaning the cutter, etc., and the bookbinding efficiency can be improved. (C) Reverse binding Saddle booklet is flipped 180 ° and the posture in which the back portion is directed downward is sandwiched and supported by the clamp means. In this posture, glue is applied to the back portion and the cover is attached to the back portion. Since this is done, it is possible to improve the gluing efficiency by properly using the gluing agent depending on the text signature and the difference in the paper quality of the cover sheet and by using either of the gluing means shown in FIG. 1 or 5.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a reverse saddle stitching device.

FIG. 2 is a cross-sectional view taken along the line AA of FIG.

FIG. 3 is a sectional view taken along line BB of FIG.

FIG. 4 is a front view of a reverse binding saddle stitch book showing a spray application range of a sizing agent.

FIG. 5 is an explanatory diagram of another embodiment.

[Explanation of symbols]

 1 Conveyor Chain Mechanism 1a Conveyor Chain Mechanism 2a Body Folding Booklet 2b Cover Folding Booklet 2c Top-to-bottom cutting margin 3 Pusher mechanism 4 Main body Folding table feeder 5 Guide plate 6 Stitcher mechanism 6a Needle striking member 6b Crushing member 7 Steel wire bobbin 8 Drive motor 9 Nozzle 10 Cover folding feeder 11 Pressing roller 12 Drive motor 13 Conveying chain mechanism 14 Clamping means 15 Adhesive applicator 15a Adhesive tank 15b Rotating roller 16 Cover feeder 16a Cover 17 Stopper 18 Induction rod 19 Clamping means a Reverse binding saddle stitch b Medium Bound book

Claims (3)

[Claims] 1. A step of stacking and feeding the text signatures on a lower conveying means from a text signature feeder in which a plurality of text signature feeders are arranged in parallel, and the back portion of the stacked text signature groups is reverse saddle-stitched from the lower side. A process of obtaining a reverse-folded saddle stitch booklet of a main-folding book, a process of spraying and applying a sizing agent of a required width along the back surface of the reverse-binding saddle stitch booklet, a reverse-folding saddle stitcher of the cover-folded booklet from a cover-folded book feeder. The step of feeding on the book, the step of pressing the back side of the cover sheet with the pressing means and adhering the cover sheet to the back side of the saddle-stitch book with reverse binding, cutting the top and bottom and the edge by three-side cutting A method for binding reverse saddle stitch binding, which comprises the step of obtaining binding. 2. The binding method for reverse saddle stitch bookbinding according to claim 1, wherein a sizing agent is applied by spraying to a portion other than the required front and rear length of the back portion of the reverse stitch saddle stitch book. 3. A step of stacking and feeding the text signatures on a lower conveying means sequentially from a text signature feeder in which a plurality of text signatures are arranged in parallel, and the backs of the stacked text signatures are reversely bound from the lower side. A step of obtaining a reverse-folded saddle-stitch book of a signature, a step of reversing the obtained reverse-stitched saddle-stitch book by 180 ° and sequentially transferring to a clamping means of another conveying means in a posture with the back part facing downward, A step of applying glue to the downward spine of the reverse binding saddle stitch during transportation by the means, the reverse binding saddle stitch book with this glue is fed from the cover folding feeder to the lower side of the transport means, In addition to the movement of the conveying means, a step of supplying onto a cover sheet that is in a standby state in a temporarily stopped state, a reverse binding saddle stitch book accompanied by the cover sheet is conveyed, and the back side is further clamped by another means. The process of pinching and adhering the cover flap to the back side of the reverse-binding saddle-stitch book After the reverse stitching in spelling this was released from the clamping means, the bookbinding method of the inverse in spelling bookbinding characterized by comprising the steps of obtaining a saddle stitching and decorative cutting the top and bottom and fore edge at three sides trimmer.