JP2003040444A - Carrier device for stacked booklet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a carrier device for stacked booklets capable of stacking the booklets carried by high-speed carrying means and carrying them to low- speed carrying means moving at low speed without collapsing the stack by a simple constitution. SOLUTION: This carrier device for the stacked booklets is provided with booklet sending means 6 receiving the booklets carried from the high-speed carrying means one by one and stacking and sending a prescribed number of them, booklet pushing means 7 receiving the stacked booklets sent from the booklet sending means 6 and pushingly moving the booklets, and the low- speed carrying means receiving the booklets pushingly moved from the booklet pushing means 7 and carrying the booklets at low speed. The speed of returning the booklet pushing means after pushing the booklets to a waiting position is set to high and the speed of the booklet pushing means in pushing the booklets to be obtained by the high speed is set to low.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stacking booklet conveying device, and more particularly to delivery of booklets between a high speed conveying means and a low speed conveying means.

[0002]

2. Description of the Related Art For example, a bookbinding machine is well known in which hot melt glue is applied to the back surface of a main body and a booklet having a cover attached thereto is successively produced and discharged. A booklet bound by such a bookbinding machine may be trimmed by trimming the top and bottom and the edge of the booklet. Fig. 5 shows the schematic configuration for consistent binding and cutting.
In FIG. 5, reference numeral 1 is a bookbinding machine, and 2 is a high-speed conveying means that operates at high speed, such as a belt conveyor that conveys the booklets discharged from the bookbinding machine 1 one by one according to the bookbinding processing speed of the bookbinding machine 1. .

A reference numeral 3 is arranged at the end of the high-speed conveying means 2, receives booklets for each one conveyed from the high-speed conveying means 2, stacks a predetermined number of preset booklets, and pushes out the stacked booklets. Means 4 is a low speed conveying means composed of a belt conveyor or the like for conveying the stacked booklets received from the booklet delivering means 3 at a low speed, and 5 is a three-way cutting for cutting the top and bottom and the edge of the booklet conveyed from the low speed conveying means 4. Machine (there is also a cutting machine that cuts only the edge).

As shown in the side view of FIG. 6, the booklet delivery means 3 guides each booklet 9 conveyed from the high speed conveyance means by a guide plate 6a and receives it by a receiving plate 6b. A predetermined number of stacks on the 6b, a receiving plate 6b
And a stacking booklet 9 which is sent out from the booklet sending means 6 on the receiving plate 7d as shown in the side view of FIG. 6 and the plan view of FIG. 9 is fixed to a chain 7b that moves circularly in accordance with the driving of the motor 7c, and the pawl 7a pushes the booklet 9 at the rear end, that is, from the receiving plate 7d to the pawl 7a.
Is the origin position, and the booklet pushing-out means 7 pushes it out by the claw 7a that stands by at the origin position.

The guide plate 6a and the receiving plate 6b are configured so that one side (the left side in the drawing) moves.
When the size is large, one side thereof is moved in the direction of the claw 7a that has been made to stand by at the origin position, and the distance between the guide plate 6a and the receiving plate 6b on both sides is widened and placed as shown in FIGS. 8 and 9. .

After the bookbinding process, the booklet is conveyed to the three-sided cutting machine by the conveying means consisting of the high-speed conveying means 2, the booklet delivering means 3 and the low-speed conveying means 4. At the stage of conveyance by this conveying means, especially at low speed. The glue applied to the back surface of the booklet 9 is cooled and solidified in the low-speed transport stage by the transport means 5.

[0007]

By the way, when the booklets 9 stacked by the booklet delivery means 3 are sent to the low-speed transport means 5 which is moving at a low speed, within the time when the booklets 9 are stacked by the booklet sending means 6, It is necessary to move the claws 7a of the booklet pushing-out means 7 to send the stacked booklets 9 to the low-speed conveying means 5 and return them to the standby position. However, since the time for stacking the booklets 9 is short, the moving speed of the pawls 7a of the booklet pushing-out means 7 at the time of pushing out is high, and the stacked booklets 9 transferred to the low-speed conveying means 5 are shown in FIGS. 6 and 8. Like, booklet 9
Since the frictional resistance between the booklets 9 is smaller than the frictional resistance between the booklets 9 and the belt, slippage occurs between the booklets 9 and the stacked booklets 9
May collapse. Especially when the bookbinding processing speed is increased, this collapse often occurs.

The present invention has been made in view of the above circumstances, and stacks booklets conveyed by the high speed conveying means with a simple structure, and transfers them to the low speed conveying means moving at a low speed without breaking the stacking. An object of the present invention is to provide a conveying device for stacked booklets that can be transferred.

[0009]

According to a first aspect of the present invention, a high-speed conveying means for sequentially conveying booklets for each book and a booklet conveyed from the high-speed conveying means are received, and a predetermined number of them are stacked and sent out. A booklet feeding means, a booklet pushing means for receiving and stacking the booklets fed from the booklet feeding means, and a booklet pushing means for pushing and moving the booklet, and a booklet pushing and moving from the booklet pushing means, for carrying the booklet at a low speed In a stacking booklet conveying device comprising a conveying means, the moving speed of the booklet pushing means is set to a low speed corresponding to the conveying speed of the booklet by the low speed conveying means when the booklet is pushed out, and the return to the standby position is made high. It is characterized in that

The present invention according to claim 2 is characterized in that the stand-by position of the booklet pushing means is a position matched with the size of the booklet, and the present invention according to claim 3 is the booklet pushing means and the low speed. The transport means for adjusting the moving speed of the booklet is provided between the transport means and the transport means.
According to the present invention, the bookbinding machine for gluing and binding is connected to the front stage of the high-speed conveying means, and the cutting machine is connected to the rear stage of the low-speed conveying means.

According to the present invention, since the speed after the stacked booklets are pushed out by the booklet pushing means is high, the pushing speed of the stacked booklets by the booklet pushing means is set to a low speed corresponding to the speed of the low speed conveying means. Therefore, it is possible to prevent collapse of the stacked booklets transferred to the low-speed transport means. Further, it becomes possible to increase the bookbinding processing speed of the bookbinding machine when the bookbinding and the cutting are performed consistently.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of booklet delivery means according to an embodiment of the present invention, and FIG. 2 is a plan view of booklet pushing means. It should be noted that the same reference numerals are given to the portions corresponding to the schematic configuration in the case where the bookbinding shown in FIG. 5 and the cutting are performed consistently and the booklet delivery means shown in FIGS. 6 and 8.

In FIG. 1, reference numeral 6 denotes a booklet feeding means having a guide plate 6a and a receiving plate 6b. Like the booklet feeding means 6 shown in FIG. 6, a booklet fed from the high speed feeding means 2 shown in FIG. Each of the booklets is guided by the guide plate 6a and received by the receiving plate 6b, and a predetermined number of sheets are stacked on the receiving plate 6b.
The receiving plate 6b is opened and sent out. Reference numeral 7 denotes a booklet pushing-out means, which is provided with a pawl 7a fixed to a chain 7b which is revolved by driving a receiving plate 7d and a motor 7c like the booklet pushing-out means 7 shown in FIG.

Reference numeral 10 is a proximity sensor such as a proximity switch for detecting the passage of the pawl 7a of the booklet pushing means, which is installed at a position immediately after the booklet 9 is pushed out by the pawl 7a.
The motor 7 that drives the pawl 7a of the booklet pushing-out means
A pulse generator 11 is incorporated in c as shown in FIG. 2, and a large number of pulses are generated for one rotation as the motor 7c rotates. The pulse generator may be provided on the sprocket on which the chain 7b is hung.

The control device for the booklet pushing-out means 7 (not shown) is provided with a speed setting means, and this speed setting means moves from the standby position of the pawl 7a to the proximity switch 10, that is, the pawl 7a when the booklet is pushed out. Moving speed and proximity sensor 1
The moving speed of the claw 7a is set from 0 to the standby position of the claw 7a, that is, at the time of returning after pushing out the booklet. The moving speed of the pawl 7a at the time of return is the maximum allowable speed, and the moving speed of the pawl 7a at the time of pushing out the booklet is the time during which booklets are stacked by the booklet sending means 6 (this time is the bookbinding speed and the number of booklets to be stacked). The speed is set according to the time obtained by subtracting the time required for the restoration of the claw 7a from the above.).
By setting the moving speed of the pawl 7a at the time of returning to the maximum allowable speed, the returning time can be shortened and the moving speed of the pawl 7a at the time of pushing out the booklet can be reduced.

In this embodiment, the controller for the booklet pushing means 7 is provided with standby position setting means for setting the standby position of the pawl 7a, and the proximity sensor 10 is provided in this standby position setting means.
Set the distance from to the standby position. The size of the booklet in which the standby position of the claw 7a is bound by this setting (booklet length)
The position can be set to a position corresponding to, for example, when the size of the booklet 9 is short as shown in FIG. The moving speed can be reduced. The standby position of the claw 7a may be determined based on the output of the linear encoder by disposing a linear encoder, for example.

The operation of the booklet pushing-out means 7 according to this embodiment configured as described above is set in advance by the booklet sending-out means 6 while the pawls 7a stand by at the standby position while the booklet sending-out means 6 stacks the booklets 9. When the booklets 9 of the number
The booklet 9 in which the receiving plate 6b is opened and stacked is placed on the receiving plate 7d in the previous stage of the claw 7a of the booklet pushing-out means 7. When the stacked booklets 9 are placed on the receiving plate 7d, the motor 7c drives the claw 7a to move at the set moving speed at the time of pushing out the booklet, so that the stacked booklets 9 move at a low speed. Extrude to. The moving speed at the time of pushing out the booklet is low, and the difference from the moving speed of the low speed conveying means 4 in the subsequent stage is small, so that the stacking of the stacked booklets 9 transferred to the low speed conveying means 4 can be prevented from collapsing.

After pushing out the booklet, the claw 7a further moves and passes the proximity sensor 10, and the output of the proximity sensor 10 which detects the passage changes the moving speed of the claw 7a to the set moving speed at the time of restoration, and at the same time. The pulses generated by the pulse generator 11 incorporated in the motor 7c are counted, and when the count value matches the distance set in the standby position setting means, the motor 7c is stopped, whereby the pawl 7a returns to the standby position at high speed. .

However, the pawl 7a at the time of returning after pushing out the booklet
Even if the moving speed of is set to the maximum speed allowed,
Even when the standby position is set in accordance with this setting and the booklet size (booklet length) of the claw 7a, if it is difficult to make the moving speed at the time of pushing out the booklet close to the moving speed of the low-speed conveying means 4, FIG. Further, as shown in FIG. 4, a conveying means 12 for adjusting the moving speed of the booklet may be provided between the booklet pushing means 6 and the low speed conveying means 4.

That is, when the conveying means 12 receives the stacked booklets 9 from the booklet pushing means 6, the conveying speed of the conveying means 12 is made substantially equal to the moving speed of the claw 7a of the booklet pushing means 6, and the booklet 9 is received. After that, the speed is reduced until the next stacked booklet 9 is received, the stacked booklet 9 is moved closer to the moving speed of the low-speed transport means 4, and the stacked booklet 9 is transferred to the low-speed transport means 4. . This transfer can also prevent the stack from collapsing.
The acceleration / deceleration control of the motor 12a that drives the conveying means 12 is performed by an inverter, a DC motor, a servo motor, or the like.

[0021]

As described above, according to the present invention,
With the simple structure of the speed control of the booklet pushing means or the conveying means for adjusting the speed control and the moving speed, the stacked booklets can be transferred to the low speed conveying means without breaking.

[Brief description of drawings]

FIG. 1 is a side view of a booklet delivery means according to an embodiment of the present invention.

FIG. 2 is a plan view of booklet pushing means according to the embodiment of the present invention.

FIG. 3 is a side view of booklet delivery means according to another embodiment of the present invention.

FIG. 4 is a plan view of booklet pushing means according to another embodiment of the present invention.

FIG. 5 is a schematic configuration diagram in the case where bookbinding and cutting are performed consistently.

FIG. 6 is a side view showing a problem of the booklet delivery means.

FIG. 7 is a plan view of booklet pushing means.

FIG. 8 is a side view showing a problem of the conventional booklet delivery means.

FIG. 9 is a plan view of a conventional booklet pushing means.

[Explanation of symbols]

1 Binding machine 2 Belt conveyor (high-speed transportation means) 3 Booklet delivery means 4 Belt conveyor (low speed transportation means) 5 cutting machine 6 Stacked booklet sending means 6a guide plate 6b support plate 7 Stacked booklet pushing means 7a nail 7b chain 7c motor 7d support plate 9 booklets 10 Proximity switch 11 pulse generator

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Sadaharu Honda             1601 Jonoshita, Asahi, Shin-Asahi-cho, Takashima-gun, Shiga Prefecture             Local Horizon International Stock Association             In-house F term (reference) 3F017 AA03 BB07                 3F029 BA00 CA08 CA12

Claims (4)

[Claims] 1. A high-speed transport means for sequentially transporting a booklet for each book, a booklet delivery means for receiving a booklet delivered from the high-speed transport means, and delivering the booklet in a predetermined number of stacks, and a booklet delivery means. Receiving stacked booklets, receiving booklet pushing means for pushing and moving the booklets, and receiving booklets pushed and moved from the booklet pushing means,
In a stacking booklet conveying device comprising low-speed conveying means for conveying the booklet at a low speed, the moving speed of the booklet pushing means is set to a low speed according to the conveying speed of the booklet by the low-speed conveying means when the booklet is pushed out. , A stacking booklet conveying device characterized by high speed return to the standby position. 2. The stacking booklet transporting device according to claim 1, wherein the standby position of the booklet pushing-out means is a position corresponding to the size of the booklet. 3. The stacking booklet conveying apparatus according to claim 1, further comprising a conveying unit that adjusts a moving speed of the booklet between the booklet pushing unit and the low speed conveying unit. 4. The glue binding bookbinding machine is connected to the front stage of the high-speed conveying means, and the cutting machine is connected to the rear stage of the low-speed conveying means. Item 3. A stacking booklet conveying device according to item 3.