JPH05254652A - Paper feeding device for three side trimmer - Google Patents

Abstract

PURPOSE:To smoothly feed the books which are not yet trimmed and arranged on a paper feeding board one by one to the suction port of a three side trimmer. CONSTITUTION:An intermittent driving mechanism is constituted so that a belt 14 which transports the books B in arranged state which are not yet trimmed to the suction port 28 side of a three side trimmer is laid on the upper surface of a paper feeding board 1, and the book B1 in the first row is supplied with paper pieces by the suction port 28, and the succeeding book B2 is sent to the position where the book B1 in the first row existed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for smoothly feeding books lined up on a paper feed table to a suction port of a three-way cutting machine.

[0002]

2. Description of the Related Art As a means for feeding an uncut book to a suction port of a three-sided cutting machine, a paper feed table is made of a material having a small friction, and the book is slid forward by its own weight. There is one that supplies a book against the friction between the paper feed table and the book by increasing the inclination angle to increase the weight of the book.

However, in the former case, there is a limit to reducing the friction of the paper feed table, and since the static friction coefficient and the dynamic friction coefficient are different, so-called stick-slip occurs to make it difficult for the book to slip smoothly. was there.

In the latter case, it is difficult to set the inclination angle of the paper feed table, and if the inclination angle is not enough, the book does not slip, and conversely, if the inclination angle is too large, the mouthpiece picks up the front row book. , The following several books sometimes went out, and the suction force of the mouthpiece was lost due to the friction between the book in the front row and the book following it, and the book in the front row could not be sucked.

[0005]

SUMMARY OF THE INVENTION The problem to be solved by the present invention is to eliminate the drawbacks of the conventional paper feeding device and to smoothly convey an uncut book to the suction port.

[0006]

SUMMARY OF THE INVENTION According to the present invention, a belt for arranging uncut sheets in a line and conveying them to the suction side of a three-sided cutting machine is hung around the upper surface of a paper feed table, and the front row books are fed through the suction holes. After that, the belt is provided with an intermittent drive mechanism for conveying the book following the book in the front row to the position where the book in the front row was.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference numeral 1 denotes a paper feed table, which is provided with pulley receiving ports 2 in the front, rear, left and right, and is fixed to a frame (not shown) by a stay 3. Reference numeral 4 denotes a front storage port, which is provided at the center of the front end portion of the paper feed tray 1.

Reference numeral 5 denotes a main shaft, which is pivotally supported on the frame below the paper feed table 1 at right angles to the paper feed table 1, and a pair of left and right main drive pulleys 6 are fixed. Reference numeral 7 denotes a pair of left and right auxiliary pulleys provided near the main driving pulley 6, and the auxiliary pulley 7 is a belt tension arm 8 fixed to the main driving pulley 6.
Is pivotally attached to the front part of the vehicle and is separated from the driving pulley 6 by its own weight. A tension spring 9 is stretched between the rear portion of the belt tension arm 8 and the frame.

Reference numeral 10 is a pair of left and right front driven pulleys, and 11 is a pair of left and right rear driven pulleys, which are housed in the pulley housing ports 2, respectively. 12 is a pulley shaft, which is a paper feed table 1
Is pivotally supported by a bearing 13 fixed to the lower surface of the.

Reference numeral 14 denotes a pair of left and right belts, which pass from the rear driven pulley 11 through the upper surface of the paper feed tray 1 and the front driven pulley 1.
0, driving pulley 6, auxiliary pulley 7, rear driven pulley 11
It is endlessly hung around. This belt 14
A material, such as nylon, is used, which has a very thin thickness of about 1 mm, has little friction with the paper feed table 1, and does not stretch. The tension of the belt 14 is adjusted by adjusting the tension spring 9 described above.

Next, the intermittent drive mechanism will be described. 15
Is a drive shaft lever, which is attached to the drive shaft 5 via a ratchet 16. Reference numeral 17 denotes a paper feed spindle that works in conjunction with the three-way cutting machine, and the paper feed spindle lever 18 and the drive shaft lever 15 are connected by a drive rod 19. Drive rod 1
The position 9 of the main shaft lever 15 is adjustable, and the distance of the intermittent movement of the belt 14 can be adjusted by adjusting the position of the main shaft lever 15 to cope with a change in the thickness of an uncut book. Reference numeral 20 denotes a weight, which restricts the movement of the driving shaft lever 15.

Reference numeral 21 is a cam fixed to the paper feed main shaft 17, 22 is a cam floor that is in sliding contact with the cam 21, and 23 is a fork whose bifurcated base is fitted into the paper feed main shaft 17 and is regulated by the cam floor 22. It is a rod. Further, 24 is a placket, which is attached to the tip of the bracket 25 and accommodated in the placket accommodating port 4. Reference numeral 26 is a fly shaft, which is orthogonal to the paper feed table 1 and pivotally supported by the frame.
The rear end of the bracket 25 is fixed to the fly shaft 26. A connecting lever 27 is fixed to the fly shaft 26 and is connected to the rear end of the fork rod 23.

[0013]

As shown in FIG. 1, when the frontmost book B1 moves forward and comes into contact with the placket 24, the paper feed spindle 17 stops,
The placket 24 rotates downward counterclockwise, and the book B1 in the front row is fed to the three-side cutting machine through the suction port 28. When the paper feeding is completed, the placket 24 returns to the original position.

Next, the paper feed spindle 1 which is interlocked with the three-way cutting machine.
When 7 rotates counterclockwise, the drive rod moves to the paper feed spindle 1.
7 and the paper feed spindle lever 18 rotates counterclockwise. Therefore, since the driving shaft 5 also rotates counterclockwise via the ratchet 16, the driving pulley 6 rotates counterclockwise, and the belt 14 conveys the book B to the suction port 28 side. The amount of movement of the belt 14 at this time is the distance that the book B2 following the book B1 in the front row reaches the position of the book B1 in the front row.
The paper feed spindle 17 starts rotating clockwise and the feed spindle lever 1
5 returns, but the drive shaft 5 does not move due to the ratchet 16.

[0015]

EFFECTS OF THE INVENTION The intermittent driving mechanism allows the conveyor belts to arrange and convey the books intermittently by a required distance. Therefore, the uncut books can be smoothly supplied one by one to the three-way cutting machine.

[Brief description of drawings]

FIG. 1 is a schematic side view showing the operation.

FIG. 2 is a side view of a main part.

FIG. 3 is a plan view of a paper feed table.

FIG. 4 is a bottom view of the paper feed table.

FIG. 5 is a side view showing a state where a drive rod is attached to a sheet feeding spindle.

[Explanation of sign]

 1 Paper Feeding Table 5 Driving Shaft 6 Driving Pulley 14 Belt 15 Driving Shaft Lever 16 Ratchet B Uncut Book B1 Book in Front Row B2 Book Following Book in Front Row

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location // B26D 1/06 Z 7347-3C

Claims (1)

[Claims] 1. A belt for transporting uncut sheets side by side and transporting them to the suction side of a three-sided cutting machine is hung around the upper surface of a paper feed stand, and the front row of books is fed through the suction port, and then the front row of books is placed. A sheet feeding device for a three-way cutting machine, in which a belt is provided with an intermittent drive mechanism that conveys the book following the book in the front row to a fixed position.