JPH0711065Y2 - Feeder for new paper roll in paper feeder - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a supply device for a new web in a paper feeder of a rotary printing press.

[Conventional technology]

As shown in FIGS. 13 and 14, the paper feeding machine used in the rotary printing machine is composed of a paper feeding machine main body 1 and a machine lifter 13.

As shown in FIG. 14, the paper feeder main body 1 includes a pair of reel stands 2 and 3 installed at predetermined intervals, a spider arm shaft 4 rotatably supported by the reel stands 2 and 3, The spider arm shaft 4 has three arms and is provided with spider arms 5 and 6 which can be fixed at arbitrary intervals. Each spider arm 5, 6 is provided with a web cone 7, 8 for supporting the web 23. The paper roll cone 7 provided on the spider arm 5 is operated to move back and forth by a fluid cylinder 9 for cone attachment / detachment. The paper roll cone 8 provided on the spider arm 6 is fixed in position. In addition,
The cone detaching fluid pressure cylinder 9 is provided with a cone detaching confirmation limit switch 10.

The spider arm shaft 4 has a cam positioner 11
Are connected. The cam positioner 11 moves the vacant arms of the spider arms 5 and 6 via the spider arm shaft 4 to the mounting position of the new paper roll.

As shown in FIG. 13 and FIG. 14, the machine lifter 13 is installed in the pit 12 dug in the floor, and a reverse-shaped groove 14 ′ for receiving the new paper roll 22 is formed on the upper surface. Equipped with a table 14. The table 14 is supported on an elevator 15 as shown in FIGS. 19 and 20.

Mounted on the reel stands 2 and 3 are a new paper roll presence / absence detection photoelectric switch 16 for detecting the presence / absence of a new web roll 22 on the table 14 of the machine lifter 13, and a new web roll 22 pushed up by the machine lifter 13. A new paper roll mounting position detecting photoelectric switch 17 for detecting the arrival at the position is provided.

As shown in FIG. 15, the operation panel 18 is provided with a manual / automatic selector switch 19, an automatic mounting start button 20, and an automatic mounting stop button 21.

With such a configuration, the operation of the cam positioner 11
As shown in FIGS. 13 and 16, the spider arms 5 and 6 set at a predetermined interval according to the paper width of the paper roll 23 (22).
The empty arm is positioned at the automatic mounting position with an angle θ = 50 ° with respect to the vertical line. Further, the paper cone 7 of the spider arm 5 is a fluid pressure cylinder 9 for attaching and detaching the cone.
Set to the retracted position by the
14 is located at the descending end.

In this initial state, the selector switch 19 of the operation panel 18 shown in FIG. 15 is switched to "automatic". Then, the light emitting element of the new paper roll presence / absence detection photoelectric switch 16 is fired. Then, in advance, the spider arms 5 and 6 (the winding paper cone 7,
8) The new paper roll 22 positioned on the floor and positioned so as to come into the space 8) is rolled, transferred onto the table 14 of the lifter 13 of the machine, and moved above the groove 14 '. Then, the light emitted from the light-emitting element of the new paper roll presence / absence detection photoelectric switch 16 is blocked by the new paper roll 22, so that the new paper roll is placed on the table 14.
It is possible to detect that 22 has been supplied.

Here, when the automatic loading start button 20 of the operation panel 18 is pressed, the light emitting element of the new paper roll loading position detecting photoelectric switch 17 is fired. In addition, the cam positioner 11 operates and the
As shown in FIG. 18, rotate the spider arms 5 and 6 counterclockwise by about 15 ° (to a position where the spider arms 5 and 6 do not block the light emission from the light emitting element of the new paper roll mounting position detection photoelectric switch 17). Let However, the light emission from the light emitting element of the new paper roll mounting position detection photoelectric switch 17 is blocked by the new paper roll 22.

Next, the lifter 15 of the lifter 13 of the main unit is operated, and the table
Raise 14 Then, the groove 14 'of the table 14 is fitted with the new web 22 and pushes up the new web 22 while restricting the rotation of the new web 22. Then, as shown in FIG. 19, when the paper tube of the new paper roll 22 rises to a position where the light emitted from the light emitting element of the new paper roll mounting position detection photoelectric switch 17 is transmitted, the light emitted from the light emitting element is received by the light receiving element. Detects that the new paper roll 22 has reached a predetermined mounting position. Then, this machine lifter 13
Elevator 15 stops.

Then, the cam positioner 11 is actuated to rotate the spider arms 5 and 6 clockwise by about 15 ° as shown in FIG. 20, so that the winding paper cones 7 and 8 face the paper tube of the new winding paper 22.

Next, as shown in FIG. 21, the cone attaching / detaching fluid pressure cylinder 9 operates to move the paper roll cone 7 to the new paper roll 22 side. Then, first, the paper roll cone 7 is fitted into the paper tube of the new paper roll 22. When the paper roll cone 7 further moves in this state, the new paper roll 22 is moved to the spider arm 6 side, and the paper tube is fitted into the paper roll cone 8. When the moving end of the cone attaching / detaching fluid pressure cylinder 9 is detected by the cone attaching / detaching confirmation limit switch 10, the movement of the cone attaching / detaching fluid pressure cylinder 9 is stopped. In this state, the new paper roll 22
Has been held between the paper cones 7, 8.
At the same time, as shown in FIG. 22, the lifter 15 of the machine lifter 13 is
Is activated to lower the table 14.

[Problems to be solved by the device]

In the above-described paper feeder, the gap between the paper roll cone 8 and the paper roll cone 7 in the retracted position is supported by the paper roll 23.
Since it is set to be 10 to 10 mm larger than the width of the paper, when feeding the new paper roll 22, the new paper roll 22 that weighs several hundred kg to 1000 kg can be placed so as to be positioned between the paper cones 7 and 8. It had to be positioned accurately and placed on the floor, and the work was extremely poor.

In view of the above-mentioned circumstances, an object of the present invention is to provide a supply device for a new paper roll in a paper feeder that can reliably supply the new paper roll placed on the floor surface with rough accuracy to the paper feeder. Especially.

[Means for Solving the Problems]

In order to achieve the above object, in the present invention, the machine lifter is installed near the paper feeder, the new web is placed on the machine lifter, and the new web is positioned by the machine lifter. In a feeder for feeding a new paper roll in a paper feed machine in which a new paper roll is mounted on a vacant spider arm, a lifter 24 having a reverse cross-section and swingably installed in parallel with the main unit lifter 24 A slide table 27 supported by the lifter 24 so as to be movable in the width direction of the new paper roll 22 placed, and the new paper roll 22 placed on one of the moving directions of the slide table 27 of the lifter 24. Side plate that is movably supported in the width direction and is positioned via a screw feed mechanism
30 and the other side of the slide table 27 of the lifter 24 in the moving direction, the movably supported in the width direction of the new paper roll 22 placed so as to face the side plate 30, and the fluid pressure cylinder 34.
An auxiliary lifter including a side plate 31 driven by
Positioning the lifter 24 in a low position for receiving the new paper roll 22, an intermediate position for positioning the received new paper roll 22 in the width direction, and a high position for transferring the positioned new web paper 22 to the machine lifter. The driving means for controlling is provided.

[Action]

The lifter 24 is set in a low position for receiving the new paper roll 22, the feed screw 33 is rotated to move the side plate 30 to a desired position, the fluid pressure cylinder 34 is operated, and the other side plate 31 is moved to the side plate 30. To the position farthest from.
In this state, the new paper roll 22 placed on the floor is rolled and placed on the lifter 24. Then, the lifter 24 is set to an intermediate posture in which the received new paper roll 22 is supported by the slide table 27. At this time, the new paper roll 22 has a pair of side plates 30, 31.
It is located between When the fluid pressure cylinder 34 is operated and the side plate 31 is moved in a direction of approaching the side plate 30, the side plate 31 contacts the new web 22 and pushes the new web 22 toward the side plate 30. Then, the new paper roll 22 moves to the side plate 30 side together with the slide table 27, stops at the position where it comes into contact with the side plate 30, and the positioning in the width direction is completed. Then, when the fluid pressure cylinder 34 operates to separate the side plate 31 from the new web 22 and the lifter 24
However, the new paper roll 22 is set in a high position so that the new paper roll 22 is transferred to the lifter of this machine, and the new paper roll 22 is transferred from the lifter 24 to the lifter of this machine and supplied.

〔Example〕

 An embodiment of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, the sheet feeder 1 and the lifter 13 of the present machine are the same as those described with reference to FIGS. 13 and 14, and therefore, the same reference numerals are given. A lifter 24 is installed in parallel with the lifter 13 of this machine.

As shown in FIGS. 1 to 4, the lifter 24 is formed in an inverted V shape and is swingably supported between a pair of brackets via a shaft 28. Brackets 25 and 26 are arranged so as to be located on both sides of the lifter 24.
Reference numeral 29 denotes a fluid pressure cylinder, one end of which is swingably supported by the brackets 26, 26, and the other end of which is swingably coupled to the lifter 24. Therefore, the lifter 24 swings around the shaft 28 by the operation of the fluid pressure cylinder 29. 37, 38 and 39 are limit switches for posture detection, which are arranged at predetermined intervals on the bracket and detect the posture of the lifter 24.

27 is a slide table, a new paper roll placed on the lifter 24.
It is movably supported in 22 width directions.

33 is a feed screw, which is screwed into a nut fixed to the lifter 24. 32 is a manual handle, which is fixed to one end of the feed screw 33. A side plate 25 is rotatably connected to one end of the feed screw 33. Therefore, by turning the manual handle 32, the side plate 25 can be moved in the width direction of the placed new paper roll 22 and positioned at an arbitrary position. 34
Is a fluid pressure cylinder and is fixed to the lower surface of the lifter 24. A side plate 31 is supported by the fluid pressure cylinder 34 so as to face the side plate 30. Therefore, the operation of the fluid pressure cylinder 34 causes the side plate 30 to move toward and away from the side plate 30.

36 is a limit switch for detecting the presence or absence of the paper roll, which is fixed to the lifter 24.

Reference numeral 35 denotes a photoelectric switch for preventing the foot from slipping, which is arranged in front of the lifter 24.

The operation panel 18 shown in FIG. 5 is the same as the operation panel 18 shown in FIG.

With such a structure, the operation of the fluid pressure cylinder 29 causes the lifter 24 to move as shown by the solid line in FIG. 4 and as shown in FIG.
Is set to a low posture (position detected by the posture detection limit switch 37) capable of receiving the new paper roll 22.
In this state, the manual handle 32 is turned to position the side plate 30 at a predetermined position (when the new web 22 has the same paper width as the paper previously supplied, the previously set position is not changed). Further, the side plate 31 operates the fluid pressure cylinder 34 and moves it to a position farthest from the side plate 30.

Next, the selector switch 18 of the operation panel 18 shown in FIG. 5 is set to "automatic". Then, the photoelectric switch 3 for preventing pinching
5. The light emitting element of the new paper roll detection photoelectric switch 36 is fired. From this state, as shown in FIG.
The new paper roll 22 placed in front of 24 is rolled and placed on the lifter 24. Then, the photoelectric switch 36
The light emitted from the light emitting element of is blocked by the new paper roll 22, and the lifter 24
It is detected that the new paper roll 22 has been supplied. In addition,
In the process of transferring the new paper roll 22 to the lifter 24, if the new paper roll 22 blocks the light emission from the light emitting element of the pinch prevention photoelectric switch 35, for example, an alarm circuit is activated and a caution signal is issued. .

Then, the automatic mounting start button 20 of the operation panel 18 shown in FIG. 5 is pushed. Then, the fluid pressure cylinder 29 operates and the load of the new paper roll 22 reaches the intermediate posture on the slide table 27 (the position indicated by the alternate long and short dash line in FIG. 4, that is, the position detected by the posture detection limit switch 38). Swing the lifter 24. Then, the fluid pressure cylinder 34 is actuated to move the side plate 31.
Is moved in the direction of approaching the side plate 30. Then, the side plate 31
Contacts the new paper roll 22, pushes the new paper roll 22 toward the side plate 30, and moves it together with the slide table 27 toward the side plate 30. Then, when the new web 22 comes into contact with the side plate 30, the positioning of the new web 22 is completed. Then, the fluid pressure cylinder 34
Operates in the opposite direction to separate the side plate 31 from the new web 22.

In this state, the fluid pressure cylinder 29 is actuated again to move the lifter 24 from the lifter 24 to the machine lifter 13 in a high attitude (position detected by the attitude detection limit switch 39). Rock to. Then, the new paper roll 22 is transferred from the slide table 27 of the lifter 24 onto the table 14 of the lifter 13 of the machine. Then, the fluid pressure cylinder 29 operates to return the lifter 24 to the low posture.

In this way, the new paper roll 22 is placed on the table of this machine lifter 13.
After being supplied to the spider arm 5, 6, the new web 22 is spun on the spider arms 5 and 6 in the same process as shown in FIGS. 16 to 22 described in the prior art, as shown in FIGS. 8 to 12. It is attached to the vacant arm.

[Effect of device]

A lifter whose cross section is formed in an inverted shape and is swingably installed in parallel with the machine lifter, and a slide table supported by the lifter so as to be movable in the width direction of the new paper roll placed. A side plate that is movably supported in one of the moving directions of the slide table of the lifter in the width direction of the placed new web, and is positioned through a screw feeding mechanism; and a moving direction of the slide table of the lifter. On the other hand, an auxiliary lifter provided with a side plate that is movably supported in the width direction of the new paper roll placed so as to face the side plate and that is driven by a fluid pressure cylinder is provided. Drive means for controlling the posture, that is, a low posture for receiving the new paper roll, an intermediate posture for positioning the received new web paper in the width direction, and a high posture for transferring the positioned new web paper on the machine lifter. Because, when supplying the new paper roll. Thus the positioning of the new paper roll in the auxiliary lifter, during web cone paper feed machine, it is possible to easily and reliably supply the new paper roll.

[Brief description of drawings]

1 to 12 show an embodiment of the present invention.
FIG. 1 is a side sectional view of the entire sheet feeder, FIG. 2 is a front view of FIG. 1, FIG. 3 is a plan view of a feeding device for a new paper roll, and FIG. 4 is a side view of FIG. Fig. 6 is a front view of the operation panel, Fig. 6 to Fig. 12 are process diagrams showing the feeding process of the new paper roll, Fig. 13 is a side sectional view of the entire conventional paper feeder, and Fig. 14 is Fig. 13 of Fig. 13. A front view, FIG. 15 is a front view of the operation panel, and FIGS. 16 to 22 are process diagrams showing a supply process of a new paper roll. 1 …… Paper feeder 5,6 …… Spider arm 13 …… This machine lifter 22 …… New paper roll 24 …… Lifter 27 …… Slide table 29 …… Fluid cylinder 30 …… Side plate 31 …… Side plate 33 …… Feed screw 34 …… Fluid pressure cylinder

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Shigeru Yamazaki 1-1-1, Ichigaya-Kagacho, Shinjuku-ku, Tokyo Dai Nippon Printing Co., Ltd. (72) Yo-ichi Furusawa 1-1-1-1 Ichigaya-Kagacho, Shinjuku-ku, Tokyo No. 1 within Dai Nippon Printing Co., Ltd. (56) Reference Japanese Unexamined Patent Publication No. 63-315445 (JP, A) No. 59-43449 (JP, U) No. 58-179916 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. A machine lifter is installed in the vicinity of a paper feeder, a new paper roll is placed on the machine lifter, the new paper roll is positioned by the machine lifter, and a new spider arm is installed in the paper feeder. In a new paper-feeding device for a paper-feeding machine in which a paper-roller is mounted, a cross-section is formed in an inverted V shape, and a lifter that is swingably installed in parallel with the machine lifter is mounted on the lifter. The slide table movably supported in the width direction of the new paper roll and one of the moving directions of the slide table of the lifter are movably supported in the width direction of the new paper roll placed, and through a screw feed mechanism. And a side plate that is driven by a fluid pressure cylinder and is movably supported in the width direction of the new paper roll that is placed so as to face the side plate, on the other side of the moving direction of the slide table of the lifter. With and The auxiliary lifter is provided, and the lifter has a low posture for receiving the new web, an intermediate posture for positioning the received new web in the width direction, and a high posture for transferring the positioned new web on the lifter of the machine. A device for supplying a new roll of paper in a paper feeder, characterized in that a drive means for controlling the attitude is provided in the.