JP2692484B2 - Signature sorting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a signature sorting apparatus for supplying a signature of a book to a signature storage portion of a bookbinding machine.

[0002]

2. Description of the Related Art Conventionally, a signature sorting device shown in FIG. 4 is known as a signature sorting device for feeding a signature of a book to a signature storage portion of a bookbinding machine. In this figure, reference numeral 1 is a bookbinding machine, reference numeral 2 is a signature storage portion of the bookbinding machine 1, and reference numeral 3 is a signature sorting apparatus.

The signature sorting apparatus 3 has an upper belt conveyor 5 for aligning a large number of signatures 4 at the height of the signature storage section 2 of the bookbinding machine 1 and for aligning them in an upright state, and the height of the operator's work position. The lower belt conveyor 6 located at the height, the inclined belt conveyor 7 for raising the signature 4 from the lower belt conveyor 6 to the upper belt conveyor 5, and the auxiliary belt conveyor 8 for assisting the signature conveyance of the inclined belt conveyor 7. Consists of.

On the lower belt conveyor 6, a large number of signatures 4 with the ends on the fold side facing downward and the ends on the spread side facing up are mounted in an upright state. 4 ... is conveyed toward the inclined belt conveyor 7. The inclined belt conveyor 7 conveys the signature 4 conveyed from the lower belt conveyor 6 in the plane direction thereof.
The auxiliary belt conveyor 8 holds the signature 4 together with the inclined belt conveyor signature 7 and conveys it onto the upper belt conveyor 5. For the signatures 4 of the upper belt conveyor 5, first, a predetermined number of signatures 4 are erected, and after the signatures 4 are gradually loaded into the signature storage unit 2 after the operation of the bookbinding machine 1 is started,
The lower belt conveyor 6, the inclined belt conveyor 7, and the auxiliary belt conveyor 8 move the signature 4 to the upper belt conveyor 5.
Top up.

[0005]

However, in recent books such as magazines, the number of gravure-printed pages and thin pages is increasing, and the signature is weaker. When the signature 4 is raised by the inclined belt conveyor 7, it is necessary to raise the fold side end and the spread side end horizontally, but the thickness of the left and right sides of the signature 4 itself is increased. Due to a difference or the like, the signature 4 during ascending conveyance tilts, falls on the upper belt conveyor 5, and becomes crunchy with the auxiliary belt conveyor 8.

[0006]

In order to solve such a problem, the signature sorting apparatus according to the present invention is provided with a table for mounting a stack of signatures which is erected with the fold portion downward. A first table and a second table which are laterally separable from each other, and rotate parallel to the crease line of the signature on the first table below the separating / separating boundary portion between the first table and the second table. Disposed is a separating means having a first rotating member having an axis and a second rotating member having an axis of rotation parallel to the fold line of the signature on the second tab, the separating means being in the separated first state. An elevating means that is inserted between the table and the second table from below to above so that the signature on the first table is supported by the first rotating member and the signature on the second table is supported by the second rotating member. It is characterized by having.

[0007]

According to the signature sorting apparatus of the present invention, the first table and the second table are positioned at the same height, and a large number of signatures are erected on both of them with the fold side facing down. The second table is mounted, and the second table is displaced laterally of the first table to form a gap between the signatures on the first table and the signatures on the second table. When the separating means is inserted into the gap between the signature of the second table and the signature of the second table, the signature of the first table is supported by the first rotating member of the separating means, and the signature of the second table is supported by the second rotating member. It Since the first rotating member and the second rotating member rotate and rise when supporting the signatures of the respective tables, a frictional force that drags upward is not applied to the signatures of the respective tables. Therefore, even if the signatures mounted on the respective tables are weak and easily bendable, they can be separated in a state in which the ends are aligned without being scratched or crunched.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A signature sorting device according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a signature separating mechanism of the signature sorting apparatus of this embodiment. To supply the signature sorting device to the signature storage portion of the bookbinding machine, a hand that holds the signatures from the thickness direction is used.

Reference numeral 10 is a first table, 11 is a second table, 12 is a signature, 13 is a separating means, 14 is an air cylinder as a lifting means, and 15 is a second table 11.
Is an air cylinder as a separation and contact adjusting means.

The first table 10 is mounted with the second table 11 in a state in which a large number of signatures 12 ... Are erected, and the signatures 12 ... , With the facing side up. A support plate 16 for supporting the signatures 12 is disposed above the left side of the first table 10 in the drawing. The support plate 16 is movable in the left-right direction in the figure. The right side portion of the first table 10 in the drawing is partially cut out in a rectangular shape, and the second table 11 is disposed in the rectangular cutout portion 10 a so that it can be displaced obliquely upward from the first table 10. ing.

The second table 11 is provided with a flat plate-shaped standing plate portion 11a for supporting the signature 12 together with the support plate 16, and a horizontal plate portion 11a extending from the standing plate portion 11a in parallel with the first table 10. The outer wall surface of the upright plate portion 11 a is supported by the air cylinder 15.

Below the first table 10 and the second table 11, a separating means 13 is arranged. Separation means 13
Is a signature 1 on the first table 10 as shown in FIG.
The first rotating member 17 that supports the second rotating member 17 and the second rotating member 18 that supports the signature 12 on the second table 11 are provided. The first rotating member 17 is composed of a belt 19 that is bolted to a frame (not shown) of the signature sorting device and a pair of rollers 20 and 21 that apply tension to the belt 19 to rotate the belt 19.

The second rotating member 18 is composed of a belt 22 bolted to the frame and three rollers 23, 24 and 25 for applying tension to the belt 22 to rotate the belt 22. The uppermost roller 23 of the second rotating member 18 and the upper roller 20 of the first rotating member 17 are
It is located between the roller 24 of the rotating member 18 and
The upper inner portion of the belt 19 of the rotating member 17 and the upper inner portion of the belt 19 of the second rotating member 18 are in contact with each other. Both ends of the rollers 20, 21, 23, 24, 25 are rotatably held by a pair of frames 26.

The frame 26 is supported by the air cylinder 14, and when the air cylinder 14 expands and contracts, the separating member 13 is moved to the first position.
It enters between the table 10 and the signature 12 of the second table 11.

In the signature sorting apparatus according to this embodiment,
The horizontal plate portion 11b of the second table 11 and the first table 10
The air cylinder 15
Is extended and a large number of signatures 12 ... Are mounted on the first table 10 in a standing state with the fold side facing down and the spread side facing up. A signature 12 on the first table 10 ...
When. * Is mounted, the signatures 12 ... Are sandwiched between the support plate 16 and the standing plate portion 11a of the second table 11. In this state, when the air cylinder 15 is contracted and the second table 11 is displaced obliquely upward from the first table 10, the signature 12 of the first table 10 and the second table 11 are moved.
A gap is formed between the signature 12 and the signature 12.

In this state, when the second table 11 is raised, the air cylinder 15 is extended to raise the separating means 13 to raise the signature 12 of the first table 10 and the second table 11.
When the separating means 13 is inserted between the signature 12 and
First, the belt 22 supported by the roller 23 comes into contact with the signature 12, and the belt 22 starts to rotate. The rotation of the belt 22 causes the belts 19 that are in contact therewith to rotate in opposite directions. When the separating means 13 enters the inside of the signature 12 due to the expansion of the air cylinder 15, both the belt 19 and the belt 22 come into contact with the signature 12, but do not apply a frictional force to the surface of the signature 12. As it rises,
No upward pulling force acts on the signature 12, and the signature 12 is separated.
The separated signatures 12 are held by a hand that holds them in the thickness direction, and the signature storage unit 2 of the bookbinding machine 1 is held.
Will be carried inside.

According to the signature sorting apparatus of this embodiment, the first table 10 and the second table 11 are located at the same height, and the fold portion 12 is placed on both sides of the first table 10 and the second table 11.
When the second table 11 is mounted in an upright state and the second table 11 is laterally displaced from the first table 10, a gap is formed between the signature 12 on the first table 10 and the signature 12 on the second table 11. It In this state, when the separating means 13 is caused to enter the gap between the signature 12 and the signature 12 by the air cylinder 15, the signature 12 of the first table 10 is supported by the first rotating member 17, and the signature 12 of the second table 11 is moved to the first position. 2 rotation member 18
Supported by The belt 19 of the first rotating member 17 and the belt 22 of the second rotating member 18 are provided on the tables 10 and 11 respectively.
Since the signature 12 of each table 10 and 11 rises while rotating when supporting the signature 12, the frictional force that drags upward is not applied to the signature 12 of each table 10, 11. Therefore, each table 1
Even if the signatures 12 mounted on the Nos. 0 and 11 are weak and easily bendable, they can be separated with the ends aligned without causing scratches or crunching.

[0019]

According to the signature sorting device of the present invention, the first table and the second table are positioned at the same height, and a large number of signatures are erected on both sides with the fold side facing down. The second table is mounted, and the second table is displaced laterally of the first table to form a gap between the signatures on the first table and the signatures on the second table. When the separating means is inserted into the gap between the signature of the second table and the signature of the second table, the signature of the first table is supported by the first rotating member of the separating means, and the signature of the second table is supported by the second rotating member. It Since the first rotating member and the second rotating member rotate and rise when supporting the signatures of the respective tables, a frictional force that drags upward is not applied to the signatures of the respective tables. Therefore, even if the signatures mounted on the respective tables are weak and easily bendable, they can be separated in a state in which the ends are aligned without being scratched or crunched.

[Brief description of the drawings]

FIG. 1 is a side view showing a configuration of a signature separating mechanism of a signature sorting apparatus according to an embodiment of the present invention.

FIG. 2 is a side view showing a state in which the first table and the second table are separated from each other by the signature separating mechanism of this embodiment.

FIG. 3 is an explanatory view before the separating means is inserted into a gap between the signatures when the first table and the second table are separated from each other.

FIG. 4 is an explanatory view after the separating means is inserted into the gap between the signatures when the first table and the second table are separated from each other.

FIG. 5 is an explanatory view showing a configuration of a conventional signature sorting device using a belt conveyor.

[Explanation of symbols]

 10 First Table 11 Second Table 12 Signature 13 Separation Means 14 Air Cylinder 15 Air Cylinder 17 First Rotating Member 18 First Rotating Member 19 Belt 20 Roller 21 Roller 22 Belt 23 Belt 24 Roller 25 Roller 26 Frame

Claims (1)

(57) [Claims] 1. A first table capable of relatively laterally contacting / separating a table on which a stack of signatures, which is erected with the fold portion facing down, is mounted.
A first rotating member configured by a table and a second table, having a rotation axis parallel to a crease line of a signature on the first table, below a separation / contact boundary between the first table and the second table; A separation means having a second rotation member having a rotation axis parallel to the crease line of the signature on the two tables is provided, and the separation means is disposed between the first table and the second table in the separated state. A signature that is provided with an elevating means that is made to invade upward from above to support the signature on the first table by the first rotating member and support the signature on the second table by the second rotating member. Sorting device.