JP3492948B2 - Folding book supply method, automatic bookbinding machine using this method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for feeding a folded book to an automatic bookbinding machine which attaches a cover to the folded book, and an automatic bookbinding machine using this method.

[0002]

2. Description of the Related Art Various types of bookbinding machines have been proposed and are already known as a bookbinding machine for automatically attaching a cover to a collated book.

FIG. 6 is a schematic diagram showing an example of such a conventional automatic bookbinding machine proposed by the present applicant.

In this automatic bookbinding machine 100, a plurality of clampers 101 are installed on a circular orbit 2 composed of a roller chain or the like, and the roller chain of the circular orbit 2 is driven by a drive device 3 composed of a motor or the like. , Each clamper 101 is rotated, and a clamp station 60, a gluing pretreatment station 7, a gluing station 8, a cover sheet feeding station 9, a cover sheet bonding and joining station 10, and a discharge station 11 are arranged in a straight line portion of the circular orbit 2.
In addition, a control unit 4 for controlling these devices and a display operation unit 5 for inputting and displaying data for control are provided.

7A to 7G show the steps of the automatic bookbinding machine, the procedure of the automatic bookbinding in the automatic bookbinding machine 100 will be described with reference to this figure. Hereinafter, common parts will be denoted by the same reference numerals, and description thereof will be omitted.

FIG. 7A shows a clamp station 60.
Shows the procedure in. At the clamp station 60, the folded table F is adjusted so that the timing is aligned with the clamper 101 moving in the arrow direction.
Clamp bar 101a of the clamper 101 from the lower left
And the clamper 101 are supplied from below so as to enter between the clamper 101 and the head register pin 1 of the clamper 101.
While being pushed by 01k, it slides on the feed table 101i and moves, and with the majority of the spine Fa of the folded book F placed on the feed table 101i, the clamp bar 101a is pulled toward the clamper 101 side and folded. Book F
Hold fixed. Also, the original F for the clamper 101
The fixed holding position in the conveyance movement direction of is defined by the head register pin 101k.

FIG. 7 (b) shows the procedure in the gluing pretreatment station 7. Here, the folded book F is fixedly held by the clamper 101 and moved in the direction of the arrow, while its back portion is cut by the rotating cutter 7a provided in the station 7. In this way, when the folded book F is wirelessly bound, the bag portion of the folded book F is cut so that it can be glued to the spines of all the paper sheets forming the folded book F. This is to prevent the paper sheets from falling off.

Further, in this station 7, a gully blade is provided, a lateral groove is provided on the back portion Fa of the folded book F, and the lateral groove is also
In some cases, the glue may be introduced to further prevent the paper sheets forming the folded book F from falling off. When the supplied folded book F is a staple, that is, when the staple is a staple, this staple is present. Therefore, the paper sheets that make up the staple F do not fall off, and Do not cut the back.

That is, at the clamp station 60, the amount of cutting and the cutting amount at this station 7 are determined depending on the vertical position of the folded book F, which is fixedly held by the clamper 101 in accordance with the bookbinding method of the folded book F, such as musen, ajiro and kagari. It is decided whether to do it or not.

FIG. 7C shows the procedure at the back gluing section 8B of the gluing station 8. Here, a glue tank 8Ba for gluing, a glue roll 8Bb for gluing the glue stored in the glue tank 8Ba to the folded book F, and a doctor roll 8Bc for scraping off excess glue on the glue roll 8Bb are installed. While the folding book F is being moved, it is glued to the spine Fa of the folding book F.

FIG. 7 (d) shows the procedure in the horizontal gluing section 8C of the gluing station 8. This figure is
It is seen from the X arrow direction in (c). Here, a glue receiving tank 8Ca for receiving extra glue, and a set of horizontal glue rolls 8Cb for receiving the glue from a glue supplying means (not shown) and laterally pasting it to the lateral transverse portion Fb of the folded book F, While moving the folded book F, lateral glue is applied to the back lateral portion Fb of the folded book F.

FIG. 7E shows the procedure at the cover feeding station 9. Here, the cover sheet O is aligned and supplied to the spine Fa of the folded book F, and the press roll 9k
The front cover O is temporarily pressed onto the folded book F by being pressed from below the front cover O.

FIG. 7F shows the procedure at the cover sheet pasting and combining station 10. Here, with the cover O temporarily attached to the folded book F, the position corresponding to the back Fa of the book F is pressed from below by the back pressurizing plate 10a, and at the same time, it slides on the back pressurizing plate. The back lateral portion Fb of the booklet F is pressed by the pair of back lateral part pressing plates 10b, and the cover O is completely pressed against the booklet F.

FIG. 7 (g) shows the folded book F in a state in which the cover O is pasted and united and is ejected from the automatic bookbinding machine 100. In this way, according to the automatic bookbinding machine 100, bookbinding can be performed automatically at high speed, reliably, and without producing defective products.

By the way, in the automatic bookbinding machine 100, the clamper 1 of the folded book F is set at the clamp station 60.
In order to reliably carry out the supply to No. 01 at a high speed, the supply method as shown in FIG. 8 was used.

Although the outline of this method has already been described, the folded table F is moved from the lower side to the upper side of the feed table 1 so as to match the timing with the clamper 101 which has started the linear movement.
It was necessary to move it up and down by 01i so that it would fit properly between the clamper 101 and the clamp bar 101a on the left and right, and between the clamp pin 101b and the head register pin 101k on the front and back.

However, the folded book F that has been gathered has a tendency to open more on the upper side than the back portion Fa, so that it may not fit well between the clamper 101 and the clamp bar 101a. In addition, when viewing the front and back timing from below, a certain length in the moving direction including the taper portion of the feed table 101i is required to insert the feed table 101i without trouble, and a clamp station for supplying and clamping the folded book F. For example, as shown in the figure, a space corresponding to three clampers 101 is required, which is also a factor for enlarging the entire automatic bookbinding machine 100. In addition, since the moving distance is long, there is a problem in the gap between the folded documents that are collected during this period.

Further, instead of such a feeding method, there is a method of inserting a folded book from above the clamper, but the apparatus becomes complicated.

[0019]

DISCLOSURE OF THE INVENTION The present invention was developed in consideration of the above situation, and it is possible to supply a folded book to a clamper in a short distance reliably and without deviation. It is an object to provide a method and an automatic bookbinding machine using this method.

[0020]

[Means for Solving the Problems] In order to solve the above problems,
The present inventors have arrived at the present invention as a result of intensive studies, and hereinafter, in claims 1 to 3, a folded book supply method, and in claims 4 to 6, an automatic bookbinding machine using this method is provided. It is a proposal.

According to a first aspect of the present invention, in the method for supplying a folded book, the folded book is fixed to a clamper with its back part facing downward, and a separately prepared cover sheet is attached while being conveyed on a predetermined orbit. A method of supplying a folded book in an automatic bookbinding machine, in which the clamp bar of the clamper on the entry side of the clamp bar is inserted and removed from the clamp bar. As a clamp pin, the movable clamp pin is retracted at a position where the clamper starts linear movement, and the folded clamp is moved to the clamper by horizontal movement from the movable clamp pin side at the same height position as the orbit of the folded guide. It is characterized by supplying.

According to this feeding method, a folded copy is not fed between the clamp bar and the clamper from below or from above, but the folded copy is fed horizontally from the same height position as the clamper. It is a thing. Therefore, the clamp bar can be opened and closed with respect to the clamper, that is, among the clamp pins that are supported to be clamped, the clamp pin on the entry side of the folded book can be moved in and out toward the clamp bar as a movable clamp pin. When entering a book, move it backward so that it does not hinder the entrance.After the book enters, the movable clamp pin projects and is fixed to the clamp bar, and the clamp bar is clamped like other clamp pins. It is designed so that the supplied folded book is clamped toward.

In this way, since the folded book is supplied to the clamper by horizontal movement, the portion near the back of the folded book moves laterally between the clamp bar and the clamper, and the open portion on the upper side of the folded book enters. It will be supplied reliably without any hindrance. Further, since it is supplied by horizontal movement and does not need to be supplied so as not to hit the clamp pin, the approach distance is short, and the length of the folded supply clamp station can be shortened.

The term "horizontal movement" as used herein refers to a method of feeding a folded book from above or below between the front and rear clamp pins while keeping the diagonal clamp pins fixed as in the conventional example. It expresses a mode in which one of the clamp pins is retracted and the folded book is fed from the rear in the moving direction of the clamper without this, and not only complete horizontal movement but also the extent to pass the clamp pin position. It also includes diagonal movement.

According to a second aspect of the present invention, in the method for supplying a folded book according to the first aspect, an eccentric gear device capable of continuously increasing and decreasing with respect to the moving speed of the clamper is provided. The present invention is characterized in that a folded book is put on standby at a speed lower than the moving speed of the clamper, and the folded book is supplied to the clamper at a speed faster than the moving speed of the clamper.

According to this supply method, the speed at which the folded copy is supplied to the clamper is set to be slower than the moving speed of the clamper at the time of standby and higher than that at the time of supply by using the eccentric gear device. Therefore, since the folded book is moved at a low speed during standby, it is unlikely that the folded book will bend or curl up. Is shorter, and the length of the clamping station can be shorter.

This eccentric gear device is an application of the eccentric gear device proposed by the inventor of the present invention in Japanese Patent No. 1523781 (Japanese Patent Publication No. 64-10418). By using the transmission system and eccentrically fixing the driving gear to the driving shaft, the driven shaft can be continuously accelerated and decelerated. Therefore,
The acceleration / deceleration device can be easily configured without using an eccentric gear that is difficult to process.

There are various continuous acceleration and deceleration devices, not only the eccentric gear device shown here, but also a belt type transmission device using a transmission belt, one using a link mechanism, one using an inverter, and the like. However, those acceleration / deceleration devices may be used.

According to a third aspect of the present invention, there is provided a method for supplying a folded book according to the second aspect, wherein the moving force accelerated and decelerated by the eccentric gear device is transmitted to the folded book to be supplied and the spine on the tip side of the folded book. The present invention is characterized in that a press feeding device for pressing the lateral portion is provided, and a folded copy is supplied to the clamper using the press feeding device.

According to this feeding method, since the folded-feeding device feeds the folded book while holding the front lateral spine of the folded book,
Even if it is supplied at a speed higher than the moving speed of the clamper, the tip portion of the folded book does not come apart and is supplied between the clamper and the clamp bar without any trouble.

The automatic bookbinding machine according to claim 4
It is an automatic bookbinding machine that fixes it to the clamper with its back side down, attaches separately prepared cover sheets while transporting them on a predetermined orbit, and discharges them. Of these, only the clamp pin on the entry side of the folded book is used as a movable clamp pin, and the clamp pin loading / unloading and fixing device that enables the loading / unloading / fixing of the clamp bar to be released and the horizontal folding at the same height position as the orbit of the folded book. A book feeder for supplying a book to the clamper, and the movable clamp pin is retracted by the clamp pin loading / unloading fixing device at a position where the clamper starts linear movement, and the movable book pin is moved by the book feeder. It is characterized in that the folded book is supplied to the clamper from the side of the clamp pin.

This bookbinding machine realizes the method for supplying a folded book of claim 1. Therefore, the same effect as that of claim 1 is exerted.

The automatic bookbinding machine according to claim 5 is the same as claim 4
In the above, an eccentric gear device capable of continuously increasing and decreasing the moving speed of the clamper is provided, and the folded book feeding device uses the eccentric gear device to wait for a folded book at a speed slower than the moving speed of the clamper. The folded copy is supplied to the clamper at a speed higher than the moving speed of the clamper.

This bookbinding machine realizes the method for supplying a folded book of claim 2. Therefore, the same effect as that of the second aspect is exhibited.

According to a sixth aspect of the present invention, there is provided an automatic bookbinding machine according to the fifth aspect.
In, in addition to transmitting the moving force accelerated and decelerated by the eccentric gear device to the folded book to be supplied, a press feed device for pressing the tip side dorsal lateral portion of the folded book is provided. The book is supplied to the clamper.

This bookbinding machine realizes the method for supplying a folded book of claim 3. Therefore, the same effect as that of claim 3 is exerted.

[0037]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a front view schematically showing the operation of supplying a folded book and the operation of a clamp at the clump station of the automatic bookbinding machine of the present invention.

This clamp station 6 uses the method of feeding folded sheets, which is a feature of the present invention. Compared with the conventional automatic bookbinding machine 100, the automatic bookbinding machine 20 has the clamp station 6 and the clamper 1. The parts are different and the other parts are common.

At the clamp station 6, the clamper 1 starts a linear movement (shown by a solid line) through a curved movement (shown by a one-dot chain line) portion with respect to the clamper 1. Of the three clamp pins 1b that support the clamp bar 1a so that the clamp bar 1a can be opened and closed, that is, the movable clamp pin 1 on the entry side of the folded book F is supported.
c (the central clamper 1 cannot be seen because it is hidden behind the folded book F.) is retracted, and the folded book F is moved horizontally by the orbit of the folded book F, that is, at the same height position as the orbit of the clamper 1. , Is supplied between the clamper 1 and the clamp bar 1a.

In this way, since the folded sheet F is supplied by the horizontal movement, the folded sheet is gradually raised from the bottom at the same timing and speed as in the conventional example so as to enter between the clamp pins 101b. There is no need for the long distance required for such a method.

The folded back F of the folded book F has a dorsal lateral portion Fb inserted into the hollow hole of the roller of the roller chain 63b (a similar one is provided on the opposite side of this figure). It's sandwiched between them so that they won't fall apart. The moving force to the folded book is obtained by the feed pin 63d that is provided penetrating the rear side of the same roller chain 63b.
Has been given.

This moving force is given by being accelerated or decelerated as compared with the moving speed (black arrow) of the orbit of the clamper 1 by using an eccentric gear device which will be described later. When it is received from a copier (not shown), the speed becomes slow, the standby state is maintained, and the folded book F is prevented from falling apart. While the folded book F is being supplied to the predetermined position of the clamper 1 from the time when the clamper 1 starts the linear movement, the moving speed becomes faster (white arrow) than the moving speed of the orbit (black arrow). During this time, the pressing pin 63a
As a result, the back lateral portion Fb of the folded book F is pressed down to prevent the variation. Thus, the folded copy F is quickly supplied to the predetermined position of the clamper 1 in a shorter distance in time with the timing of the clamper 1.

The folded sheet F can be supplied by changing the speed of the clamper 1 as described above because there is no obstacle such as the clamp pin 1b.

The pressing pin 63a and the roller chain 6
3b, a feed pin 63d, and the like, which will be described later.
In addition, the press feed device 63 and an eccentric gear device to be described later form a folded book supply device 61.

Although not shown, in the leftmost clamper 1, the movable clamp pin 1c is locked by a clamp pin locking mechanism, which will be described later, and the clamp bar 1a clamps the folded book F. Further, two fixed clamp pins 1b are provided side by side as compared with the conventional one, but this is for maintaining the clamp bar 1a horizontal even when there is no movable clamp pin 1c.

As described above, in the automatic bookbinding machine 20 using the method for feeding a folded book of the present invention, the feeding and clamping of the folded book F are completed in a much shorter distance than the conventional one, and the clamp station 6 is operated. The length of the automatic bookbinding machine 20 is shortened, and as a result, the automatic bookbinding machine 20 can be downsized.

2A and 2B conceptually show an example of the pressing and feeding apparatus of the present invention, in which FIG. 2A is an overall plan view thereof, and FIG.
Is a detailed view of a main part, and FIG. 7C is a detailed view of a main part of another example of the holding pin. Therefore, the same parts as those already described are designated by the same reference numerals, and the duplicate description will be omitted.

FIG. 2A shows a part of the clamper 1 in the middle of the clamp station 6 of FIG. 1 as seen from above, and FIG. 2B shows the pressing pin 63a of FIG. 2A. A vertical cross section is shown, but hatching showing the cross section is omitted to avoid complication.

The presser feeding device 63 is provided on the back lateral portion F of the folded book F.
The pressing pin 63a sandwiching b, the pressing pin 63a
A section in which a plurality of roller chains 63b are slidably fitted to the hollow shaft of the roller so as to be slidably fitted, and a pressing pin 63a slidably fitted to the roller chain 63b is pushed from the rear end thereof to be slid. Two sets of guides 63c are provided on both sides so as to sandwich the folded sheet F. Further, a feed pin 63d is provided behind the position of the pressing pin 63a so as to penetrate the hollow shafts of the rollers of the two sets of roller chains 63b. The feed pin 63d gives the folding F the moving force of the roller chain 63b.

The pressing pin 63a is provided on the roller chain 63.
The hollow shaft of the roller (b) is slidably inserted into the folded shaft F
And an outer pin 63aa having a head portion for holding the outer pin 63a fixed to the rear end of the outer pin 63a.
A pin 63ab with a flange slidably contacting 3c, a roller chain 63b into which an outer pin 63aa is inserted, and a push spring 6 for applying a biasing force between the flange of the pin 63ab with a flange.
It is composed of 3ac.

As the roller chain 63b, a commercially available roller chain having a hollow shaft is used. A driving force is supplied to the roller chain 63b from an eccentric gear device, which will be described later, from a drive system that orbits the clamper 1 along an orbit, and continuously increases or decreases with respect to the moving speed of the clamper 1. It is designed to be driven at high speed.

The pressing guide 63c is a pressing pin 63a.
The rear end portion of the booklet F is pushed and slid to the side of the booklet F so as to press the back lateral portion Fb of the booklet F. The position of the booklet F in the moving direction is the booklet F. Is installed in accordance with the feeding position of the clamper 1 to the clamper 1, and the position in the direction perpendicular to this moving direction, that is, the position in the thickness direction of the folded book F is adjusted so that it can be adjusted appropriately according to its thickness. Equipped with means. This adjustment may be performed automatically in accordance with the data of the folded-book thickness automatic measuring device on the collator side.

The pressing pin 6 which is out of the pressing guide 63c
3a is returned to its reference position by the urging force of the push spring 63ac.

Reference numeral 64 is a guide for feeding the collected folded book F from the gathering machine, which is the previous process of the bookbinding machine 20, to the bookbinding machine 20, and in reality, the clamper 1 makes a linear motion. Although it extends to the starting position, that is, the position of the clamper 1 in this figure, a part of it is omitted for clarity. That is, the pressing pin 63a and the feed pin 6
3d is adapted to move under the guide 64.

The pressing pin 63e shown in FIG. 2 (c) is more folded than the pressing pin 63a.
When sandwiching the back lateral part Fb, it is possible to always hold down while applying the biasing force.

That is, the holding pin 63e is slidably inserted into the hollow shaft of the roller of the roller chain 63b and has an outer pin 63ea having a head portion for holding the back lateral portion Fb of the folded book F, and the outer pin 63ea. An inner pin 63eb slidably housed in the inside of which the rear end slides in contact with the pressing guide 63c, a roller chain 63b into which the outer pin 63ea is inserted, and a pressing spring that applies an urging force between the inner pin 63eb. It is composed of 63 ec.

In this way, the pressing guide 63c
With the rear end portion of the pressing pin 63e being pressed to sandwich the back lateral portion Fb of the folded book F, the urging force of the pressing spring 63ec acts on the outer pin 63ea, Even if there is some variation in the thickness of book F, it is sure that the back lateral part F
b can be held down.

3A and 3B conceptually show an example of the eccentric gear device of the present invention. FIG. 3A is a schematic diagram showing the meshing state at the maximum deceleration, and FIG. 3B is the meshing state at the maximum acceleration. The plan view shown in (c) is a side view of (b). First, FIG.
The components of the eccentric gear device 62 will be described with reference to (b) and (c).

The eccentric gear device 62 is a driving side disc 6 directly connected to a drive system for orbiting the clamper 1 along an orbit.
2a, a driving spur gear 62b that is eccentrically fixed to the driving side disc 62a, a link plate 62c that defines the center distance between the driving spur gear 62b and an intermediate spur gear 62d that meshes with the driving spur gear 62b, and the same number of teeth as the intermediate spur gear 62d. An intermediate spur gear 62e fixed to each other so as to rotate concentrically, a link plate 62f defining a center distance between the driven spur gear 62g meshing with the intermediate spur gear 62e, and a driven shaft to which a rotational force is applied by the driven spur gear 62g. It is composed of 62h.

The driving spur gear 62b is eccentrically fixed to the driving side disk 62a, and the rotation center 62a of the driving side disk 62a is fixed.
It rotates eccentrically around a. A pair of intermediate spur gears 62
The spur gears 62d and 62e rotate while one spur gear 62d meshes with a driving spur gear 62b that eccentrically rotates, and the other spur gear 62e rotates while meshing with a driven spur gear 62g. It moves according to the eccentric rotation of.

The link plate 62f is a pair of intermediate spur gears 62.
d, 62e and the link plate 62c sandwiched between the two, the driven shaft 62
It is rotatably installed at h. In addition, the driving spur gear 62
At the center of b, that is, on the driving side disc 62a, the driving spur gear 62
The position where b is eccentrically fixed is defined as an eccentric point 62ba.

According to such an eccentric gear device 62, in the state of FIG. 3A, the eccentric point 62ba is the intermediate spur gear 6
At a position farthest from 2d, the driving spur gear 62b and the intermediate spur gear 62d mesh with each other at a meshing point Pa. At this time, the driving spur gear 62b rotates at a pitch radius 62aa-Pa (in this method, the distance between the points 62aa and Pa is shown) when viewed from the rotation center 62aa of the driving side disc 62a,
The intermediate spur gear 62d rotates on this gear at a prescribed pitch radius.

Here, the pitch radius 62aa-Pa is the eccentric point 62b from the prescribed pitch radius of the driving spur gear 62b.
The eccentric distance 62aa-62ba of a is smaller, and as can be seen from the figure, the driving spur gear 6 that eccentrically rotates.
2b has the largest pitch radius 62 with respect to the intermediate spur gear 62d.
This means that the spur gear has a small aa-Pa. On the other hand, the meshing pitch radius of the intermediate spur gear 62e and the driven spur gear 62g is constant and constant. Therefore, in this state, the rotation speed of the driven shaft 62h is the lowest with respect to the rotation speed of the driving side disk 62a, that is, the rotation speed is the lowest.

In the state of FIG. 3B, the eccentric point 62ba
Is located closest to the intermediate spur gear 62d, and the driving spur gear 62b and the intermediate spur gear 62d mesh with each other at a meshing point Pb. At this time, the driving spur gear 62b moves to the driving side disc 6
When viewed from the rotation center 62aa of 2a, the pitch radius 62aa
-Rotate at Pb.

Here, the pitch radius 62aa-Pb is the eccentric point 62b from the prescribed pitch radius of the driving spur gear 62b.
The eccentric distance 62aa-62ba of a is larger, and as can be seen from the figure, the driving spur gear 6 that eccentrically rotates.
2b has the largest pitch radius 62 with respect to the intermediate spur gear 62d.
This means that the spur gear has a large aa-Pb. Therefore, in this state, the driving side disc 62a
The rotation speed of the driven shaft 62h is the highest, that is, the highest speed is obtained.

In this way, according to the eccentric gear device 62, it is possible to continuously accelerate and decelerate only by a gear train in which simple spur gears are combined. If these spur gears are composed of bevel spur gears, the transmission of the driving force between the gears becomes smoother and the backlash of the gears can be reduced,
The noise of meshing can be reduced.

Further, this eccentric gear device is inexpensive, surely,
Moreover, since continuous acceleration / deceleration can be realized without causing slippage, it is excellent as a device for use in the folded book supply device of the present invention. Various mechanical devices such as a belt system, a link system, and a cam system, and an electrical device using an inverter can also be used.

4A and 4B conceptually show an example of a clamp pin locking mechanism which constitutes the clamp pin loading / unloading fixing device of the present invention. FIG. 4A is a front view showing the locked state, and FIG. The front view showing the lock cam, (c) is
The front view which shows the unlocked state, (d) is a front view which shows a lock cam. It should be noted that FIGS. (A) and (c) also show views of the locked and unlocked portions as viewed from the front.

The clamp pin lock mechanism 1d which constitutes the clamp pin loading / unloading fixing device includes a lock plate 1da which rotates about a rotation shaft 1df provided on the clamp bar 1a, and a movable clamp pin which is provided on the lock plate 1da. A lock portion 1db that fits in the lock groove 1ca of the lock member 1c to lock the movable clamp pin 1c and the clamp bar 1a, and a pin 1d for supporting a spring 1dd for applying a biasing force to the rotation of the lock plate 1da.
c, the roller 1de, which is installed on the opposite side of the lock portion 1db about the rotation shaft 1df, receives the turning force for locking and unlocking the lock plate 1da, and the lock plate 1da is locked to the movable clamp pin 1c. It is provided with a stop pin 1dg for stopping further rotation from the position.

A pin 1aa for supporting the other end of the spring 1dd of the lock plate 1da is provided upright on the clamp lever 1a. The pin 1aa and the lock plate 1a are erected.
When the spring 1dd is fitted between the pins 1dc of da,
This spring 1dd has the locked state shown in FIG.
The urging force is applied so that it is in the most extended state just at the intermediate position in the unlocked state of FIG. 4 (c). That is, in the locked state and the unlocked state, the lock plate 1da is designed to be kept in that state, that is, to be stable by this biasing force.

The unlock cam 1dh shown in FIG. 4B abuts on the roller 1de of the clamp pin lock mechanism 1d provided on the clamper 1 moving in the arrow direction in the locked state shown in FIG. The plate 1da is rotated in the unlock direction. Then, the lock plate 1da stably maintains the unlocked state of FIG. 4 (c).

This unlock cam 1dh is used for the clamper 1
Although it may be provided at an appropriate place on the circular orbit 2 (see FIG. 6), the discharge station 11 and the clamp station 60 shown in FIG. 6 may be provided between the modified clamp station 6.

The lock cam 1di shown in FIG.
In the unlocked state of (c), it abuts against the roller 1de of the clamp pin lock mechanism 1d provided on the clamper 1 moving in the arrow direction, and rotates the lock plate 1da in the lock direction. Then, the lock plate 1da is shown in FIG.
The locked state of (a) is maintained stably.

In this lock cam 1di, the folded copy F of the clamp station 6 is supplied to a predetermined position of the clamper 1,
It is preferable that the movable clamp pin 1c is provided at the position where the movable clamp pin 1c is in the extended state, specifically, at the position of the right clamper 1 in FIG.

Thus, this clamp pin lock mechanism 1
By using d, the movable clamp pin 1c can be securely held at the required position.
Can be locked and unlocked on the clamp bar 1a.

5A and 5B conceptually show an example of a clamp pin withdrawal mechanism that constitutes the clamp pin withdrawal / removal fixing device of the present invention. FIG. 5A is a plan view showing the ejected state, and FIG. It is a top view which shows the insertion state.

The clamper 1 is supported by a roller chain which constitutes a circular orbit 2 by a method not shown in the drawings, and is adapted to orbit the circular orbit 2. The clamp bar 1a is attached to the clamper 1 in addition to the parts already described. Clamp transmission plate 1e provided with a roller 1f, two guide pins 1h standing on the clamper 1 and penetrating the clamp transmission plate 1e, and between the clamper 1 and the clamp transmission plate 1e of the guide pin 1h. The spring 1i fitted externally is provided.

Clamp transmission plate 1e and clamp bar 1a
Are connected to the two clamp pins 1b by a movable clamp pin 1c when locked, and in a normal state due to the strong urging force of the spring 1i, the clamp bar 1a
Strongly urge the clamp bar 1 toward the clamp bar 1a
The folded sheet F sandwiched between the clamper 1 and the clamper 1 is clamped.

However, the roller 1f of the clamp transmission plate 1e is moved by the unclamp guide 1j provided from the discharge station 11 to the clamp position of the clamp station 6 where unclamping is required on the orbit 2. Is pushed and unclamped so that the interval between the clamp bar 1a and the clamper 1 is widened. The content up to this point is the same as that of the conventional automatic bookbinding machine 100 of FIG.

In the automatic bookbinding machine 20 of the present invention, in order to realize the above-mentioned folded book feeding method, the clamper 1 is further provided with
It is equipped with a clamp pin withdrawal mechanism, and this mechanism
A loading / unloading arm 1g provided on the clamp transmission plate 1e
And an unloading cam plate 1k provided on the unclamp guide 1j.

The take-in / take-out arm 1g includes the clamp transmission plate 1
e is rotatably provided around a predetermined axis, one end is connected to the movable clamp pin 1c, and the other end is rotatably provided with a roller 1ga. The take-in / take-out cam plate 1k is formed with a take-in / take-out cam groove 1ka which is fitted with the roller 1ga of the take-in / take-out arm 1g and constitutes a cam mechanism.

Thus, when the clamper 1 is moved to the unclamp position by the clamp pin loading / unloading mechanism, the roller 1ga of the loading / unloading arm 1g moves into the loading / unloading cam plate 1k from the state of FIG. 5A to the state of FIG. 5B. The movable clamp pin 1c is retracted by being restricted by the insertion / removal cam groove 1ka. Then, when the clamper 1 further moves, the movable clamp pin 1c returns to the original protruding state. At this time, the movable clamp pin 1c is locked by the above-mentioned clamp pin lock mechanism,
It goes without saying that the unlock also works according to the insertion and removal of this clamp pin.

The above-described clamp pin locking mechanism and clamp pin withdrawal mechanism constitute the clamp pin withdrawal and fixation device of the present invention. The clamp pin lock mechanism and the clamp pin withdrawal mechanism are shown by way of example, and the same function can be achieved by other mechanisms to which known mechanisms are applied.

[0085]

According to the method for feeding a folded book described in claim 1, since the folded book is fed horizontally to the clamper, the portion near the back of the folded book is between the clamp bar and the clamper. The paper can be reliably fed without causing the open portion on the upper side of the folded book to interfere with the entry. Further, since it is supplied by horizontal movement and does not need to be supplied so as not to hit the clamp pin, the approach distance is short, and the length of the folded supply clamp station can be shortened.

According to the method of feeding a folded book described in claim 2, in addition to the effect of the method of feeding a folded book described in claim 1, the speed of feeding the folded book to the clamper is controlled by using the eccentric gear device. , It is slower than the moving speed of the clamper during standby, and faster during supply, so the folded book is moved at a slower speed during standby, so it is less likely to bend or curl over the folded book. Since the folded book is moved and supplied at a high speed, the distance to the completion of entering the clamper is short, and the length of the clamp station can be further shortened.

According to the method of feeding a folded book of claim 3, in addition to the effect of the method of feeding a folded book of claim 2, the pressing and feeding device holds down the dorsal lateral portion on the leading end side of the folded book. Since the folded copy is supplied, even if the folded copy is supplied at a speed higher than the moving speed of the clamper, the leading end portion of the folded copy does not come apart and is supplied between the clamper and the clamp bar without any trouble.

According to the automatic bookbinding machine according to claims 4 to 6, the method for supplying a folded book according to claims 1 to 3 is realized, and therefore the same effects as those of claims 1 to 3 are exhibited.

[Brief description of drawings]

FIG. 1 is a front view schematically showing the supply of a folded book and the operation of a clamp at a clump station of an automatic bookbinding machine according to the present invention.

2A and 2B conceptually show an example of a press feeding device of the present invention, in which FIG. 2A is an overall plan view thereof, FIG. 2B is a detailed view of essential parts, and FIG. 2C is an essential part of another example of a press pin. Detail view

FIG. 3 conceptually shows an example of the eccentric gear device of the present invention, (a) is a schematic view showing a meshing state at the time of maximum deceleration,
(B) is a plan view showing the meshing state at the maximum acceleration, (c)
Is a side view of (b)

FIG. 4 conceptually shows an example of a clamp pin locking mechanism that constitutes the clamp pin loading / unloading fixing device of the present invention, (a) is a front view showing the locked state, and (b) is an unlock cam. The front view which shows, (c) the front view which shows the unlocked state, (d) the front view which shows the lock cam

FIG. 5 conceptually shows an example of a clamp pin loading / unloading mechanism that constitutes the clamp pin loading / unloading / fixing device of the present invention, wherein (a) is a plan view showing the loaded state.
Is a plan view showing the inserted state

FIG. 6 is an overall configuration diagram schematically showing an example of a conventional automatic bookbinding machine.

7 (a) to 7 (g) are process diagrams schematically showing the processing in each station.

FIG. 8: Folding book supply at a conventional clamp station,
Front view schematically showing the operation of the clamp

[Explanation of symbols]

1 clamper 1a Clamp bar 1b Clamp pin 1c Movable clamp pin 1d Clamp pin lock mechanism 2 orbits 3 drive 4 control unit 5 Display operation device 6 Clamp station 61 Folded book feeder 62 Eccentric gear unit 63 Presser feeding device 7 Glue pretreatment station 8 gluing station 9 Cover feeding station 10 Covering and pasting station 11 discharge station 20 Automatic binding machine F Orimoto Fa back Fb back side O cover

Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B42C 19/04 B42C 19/08 B42C 11/02-11/04

Claims (6)

(57) [Claims] 1. A folded book in an automatic bookbinding machine, in which a folded book is fixed to a clamper with its back side down, and a separately prepared cover sheet is pasted and united while being conveyed on a predetermined orbit. Of the clamp pins that take in and out the clamp bar of the clamper, only the clamp pin on the entry side of the folded book is a movable clamp pin that can be taken in and out of the clamp bar, and the clamper starts linear movement. The movable clamp pin is retracted at a position where the movable clamp pin is retracted, and the folded clamp is supplied to the clamper by horizontal movement from the movable clamp pin side at the same height position as the orbit of the folded book. Method. 2. The eccentric gear device according to claim 1, further comprising: an eccentric gear device capable of continuously increasing and decreasing the moving speed of the clamper, and using this eccentric gear device, a booklet is folded at a speed lower than the moving speed of the clamper. A method of feeding a folded book, characterized by causing the clamper to stand by and feed the folded book to the clamper at a speed higher than the moving speed of the clamper. 3. The press feed device according to claim 2, wherein the eccentric gear device transmits the moving force accelerated and decelerated to the folded book to be supplied, and holds the tip side dorsal lateral portion of the folded book. A method of feeding a folded book, comprising feeding the folded book to the clamper using a presser feeding device. 4. An automatic bookbinding machine, in which a folded book is fixed to a clamper with its back part facing downward, and a separately prepared cover sheet is attached and merged while being conveyed on a predetermined orbit, and the clamper Of the clamp pins that move the clamp bar in and out, only the clamp pin on the entry side of the folded book is a movable clamp pin, and the clamp pin loading and unloading fixing device that enables the loading and unloading and fixing of the clamp bar to the clamp bar, and the orbit of the folded book. A folded book feeding device that feeds a folded book to the clamper by horizontal movement at the same height position, and retracts the movable clamp pin by the clamp pin loading / unloading fixing device at a position where the clamper starts a linear motion, An automatic bookbinding machine characterized in that a folded book is supplied from the movable clamp pin side to the clamper by the folded book feeder. 5. The moving speed of the clamper according to claim 4, further comprising an eccentric gear device capable of continuously increasing and decreasing the moving speed of the clamper, wherein the folded book feeding device uses the eccentric gear device. An automatic bookbinding machine characterized in that a folded book is made to stand by at a slower speed, and the folded book is supplied to the clamper at a speed higher than the moving speed of the clamper. 6. The press feed device according to claim 5, which transmits the moving force accelerated and decelerated by the eccentric gear device to a folded book to be supplied and holds the dorsal lateral portion on the tip side of the folded book. An automatic bookbinding machine characterized in that a folded sheet is fed to the clamper using a presser feeding device.