JP2507183Y2 - Paper cutting device for printing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a paper cutting device for winding or splicing paper in a printing machine.

[Prior Art] In a printing machine, the continuous paper may be cut at the time of winding the continuous paper being printed or at the time of splicing. In this case, the paper cutting device includes a rocking piece provided with a cutting blade which is provided on the tip side of a rocking support plate pivotally supported by a frame by a cylinder and can pivot on a shaft pivotally supported. Then, the swing support plate, by a cylinder whose one end is supported by the frame,
Paper that swings to the cutting position via the shaft linked to the cylinder, then pivots one end on the swing support plate and swings the cutting edge through the swing piece with the cylinder to cut the paper The cutting device has been used until now.

[Problems to be Solved by the Invention] Although the above-described paper cutting device is used, this device is in a state in which the cutting blade of the rocking piece provided on the shaft of the tip of the rocking support plate is exposed. Therefore, there has always been a danger in removing the paper reel and mounting the reel.

[Means for Solving the Problems] The present invention was devised in order to solve this problem in view of such circumstances, and a tip of a rod from a cylinder whose one end is pivotally supported by a frame is attached to a swing arm. Has a rocking support plate that is rockable by mounting a base end on a shaft that is connected via a shaft In a paper cutting device in a printing machine for cutting continuous paper with a cutting blade by rocking a rocking piece in which a rocking piece provided with is connected to a cylinder via a shaft, the above-mentioned rocking support plate is provided with A shaft to which one end of a cover body that covers the cutting blade is attached is provided at a position relative to the cutting blade provided at the tip of the rocking piece, except when the paper is being cut by the cutting blade. The rocking support plate is linked to the cylinder, one end of which is pivotally supported, through a connecting piece, and the cylinder moves to rock the cover. A paper cutting device in a printing machine characterized by giving movement, and cutting the continuous paper by exposing the cover body from the cutting blade by the cylinder only when cutting the continuous paper with the cutting blade. It is provided for the purpose of prevention.

[Operation] By swinging the swing support plates 3 and 3 at a fixed position by the action of the cylinder 5 whose one end is pivotally supported on the frame 1 side, the swing support plates 3 and 3 are swung down to the paper cutting position, and further the paper P during running is pressed. The cylinder 22 whose one end is pivotally supported by the rocking support plate 3 is operated to rock the rocking arms 19 and 19 via the shaft 20,
The paper P is pressed by the brush 19a provided at the tip of the 9,19.
Before this, adhesive tape was attached to the core, and continuous paper P
When pressing, the cylinder 17 whose one end is pivotally supported by the rocking support plate 3 is operated in front of it, and the cover body 13 is rocked about the shaft 15 through the connecting piece 18 and the shaft 15 which are connected to each other. The cover body 13 covering the cutting blade 12 is uncovered, and another cylinder 10 whose one end is pivotally supported by the swing support plate 3 is operated to be provided on the swing pieces 11 and 11 mounted on the shaft 7. The cutting blade 12 is swung to cut the paper P, and the cut continuous paper P is rotated by the reel and the brush 19a.
Is wound up on a reel. When the continuous paper P cut by this operation is wound on a reel, the operation of the cylinder 22 releases the pressing of the return paper P with the swing arm 19 as the original. Further, the rocking support plate 3 is returned to the previous position via the shaft 2 by the cylinder 5 whose one end is axially supported on the frame 1 side, and the cover body 13 is rocked and cut by the cylinder 17 connected to the cover body. The cutting blade 12 after the cutting is covered with a cover body 13.

[Embodiment] Next, an embodiment of a paper cutting device in a printing machine according to the present invention will be specifically described with reference to the drawings.

1 is a frame, and between this frame 1 and 1,
A shaft 2 supported by 1,1 is provided laterally, and swing support plates 3,3 having left and right ends attached to the shaft 2 and an end of the shaft 2 projecting outside the frame 1 The part is provided with a swing arm 4 having one end attached. The other end of this one swing arm 4 is connected to the tip of a rod 5a from a cylinder 5 whose one end is attached to the frame 1 via a shaft.
With this operation, the rocking motion is given to the rocking support plates 3, 3. The oscillating support plates 3, 3 are bulged laterally on the tip side, and a shaft 7 is axially supported by the ridges 3a, 3a. One end of the shaft 7 has an arm piece 8 having a lock mechanism. This arm piece 8 connects one end of a rod 10a from a cylinder 10 whose one end is pivotally supported by a shaft 9 to the one rocking support plate 3, and the shaft 7 is rockingly supported. A pair of rocking pieces 11, 11 having one ends attached to the left and right sides between the plates 3, 3 are provided.
A cutting blade 12 is provided on the tip side of the rocking pieces 11, 11 so that the rocking piece 1 can be moved through the arm piece 8 by the operation of the cylinder 10.
1,11 can be rocked. Further, the swing support plates 3, 3
At the tip side of the cutting edge 12
A cover body 13 is provided so as to cover at a position away from the cutting. The cover body 13 is composed of a box body having a lower side opened and an opening 13a through which the cutting edge 12 can enter and leave, and the cover body 13 is a shaft pivotally supported by a bearing piece 14 attached to the tip end of the swing support plates 3, 3. One end is attached to 15, and one end of the shaft 15 is attached with one end of a connecting piece 18 that connects with one end of a rod 17a from a cylinder 17 whose one end is pivotally supported by the shaft 16 on one swing support plate 3. The cylinder 17 allows the cover body 13 to swing about the shaft 15.

Further, one end of a swing arm 19 provided with a pressing brush 19a at the tip of the swing support plates 3 and 3 is attached to a shaft 20 horizontally supported between the swing support plates 3 and 3. Provided with this shaft 20
Is a cylinder supported by a shaft 21 attached to the swing support plate 3.
Connected to the tip of the rod 22a from 22 via a connecting piece 23,
The swing arm 19 is swung by the operation of the cylinder 22, and the paper is pressed by the brush 19a provided at the tip.

[Effect] As described above, the present invention provides the swing support plate in which the base end is attached to the shaft supported by the frame, which is connected to the rod from the cylinder whose one end is supported by the frame, and which is swingable. At the tip of this rocking support plate, a rocking piece provided with a cutting blade mounted on a shaft that is axially supported is connected to the cylinder via the shaft A paper cutting device in a printing machine that cuts continuous paper at a position relative to the cutting edge provided at the tip of the rocking piece on the tip side of the rocking support plate, except when cutting the continuous paper Is characterized in that a shaft to which one end of a cover body for covering the cutting edge is attached is provided as a shaft, and one end of this shaft is connected to the cylinder, and the cover body is rocked by the operation of the cylinder. It is a paper cutting device for a machine and is compatible with a swingable cutting blade provided on the tip side of a swing support plate. In addition, since the swing support plate is provided with a cover body that swings by a cylinder whose one end is pivotally supported, and the cover body covers the cutting blade except when the cutting blade is operated, during work such as when mounting or removing the reel. There is no danger of being able to work safely.

[Brief description of drawings]

1 is a front view and FIG. 2 is a side view, showing an embodiment of a paper cutting device in a printing machine according to the present invention. 1 …… frame, 2,7,9,15,16,20,21 …… axis, 3 …… swing support plate, 3a …… outgoing part 4,19 …… swing arm, 5,10,17, twenty two
...... Cylinder, 5a, 10a, 17a, 22a ...... Rod, 8 ...... Arm piece, 11 ...... Oscillation piece, 12 ...... Notch, 13 ...... Cover body, 13a
…… Aperture, 14 …… Bearing piece, 18 …… Coupling piece, 19a …… Brush

Claims (1)

(57) [Scope of utility model registration request] 1. A shaft 7 which is supported by a frame 1 and which is connected to a cylinder 5 whose one end is rotatably supported by the frame 1 via a swing arm 4 and a shaft 7 which is horizontally supported on the tip side. The base ends of a pair of rocking support plates 3, 3 provided with are attached to the shaft 7, and the base ends of the rocking pieces 11, 11 provided with a cutting blade 12 at the tip are attached to the shaft 7. The shaft 7 is connected to a cylinder 10 whose one end is rotatably supported by a rocking support plate 3 via an arm piece 8, and when the rocking pieces 11, 11 are rocked by the cylinder 10, the cutting edge 1 at the tip is
In a paper cutting device in a printing machine that cuts continuous paper at 2, in a position relative to the cutting blade 12 provided on the tip side of the swing support plates 3 and 3, except when cutting the paper by the cutting blade 12, A shaft 15 to which one end of a cover body 13 for covering 12 is attached is rotatably provided.
The shaft 15 is connected to a cylinder 17 whose one end is axially supported by the swing support plate 3 through a connecting piece 18, so that the cylinder 17
A paper cutting device in a printing machine, characterized in that the cover body (13) is rocked by the operation of.