JPH1178199A - Stencil printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the size and cost of a stencil printer by providing a stencil printer having at least two plate cylinders with one plate discharge means and carrying an original stencil sheet pertaining to a plate cylinder spaced apart from the plate discharge means to a plate cylinder proximate to the plate discharge means and then discharging the original stencil sheet to the side of the plate discharge means. SOLUTION: At the time of discharging an original stencil sheet 13 applied to a first plate cylinder 1 remote from a plate discharge means 61 out of first and second plate cylinders 1, 3, the plate cylinders 1, 3 and a transfer cylinder 5 are turned, respectively, in the arrow directions. Clamp means 29, 75 of the first plate cylinders 1 and the transfer cylinder 5 are unclamped when they face each other and the original stencil sheet 13 is delivered to the transfer cylinder 5. Subsequently, the clamp means 75, 31 of the transfer cylinder 5 and the second plate cylinder 3 are unclamped when they face each other and the original stencil sheet 13 is delivered to the second plate cylinder 3. Thereafter, the original stencil sheet 13 on the second plate cylinder 3 is separated using a plate discharge click 71 and discharged into a plate discharge unit 61.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stencil printing machine, and more particularly to a stencil printing machine having two or more plate cylinders for winding and setting a perforated stencil sheet. By using only one plate discharging means for
The present invention relates to a device in which the configuration is simplified, the size of the device is reduced, and the cost is reduced.

[0002]

2. Description of the Related Art A stencil printing apparatus provided with two or more plate cylinders for winding and setting a perforated and perforated stencil sheet is disclosed, for example, in JP-A-6-71996 and JP-A-8-1187.
Japanese Unexamined Patent Application Publication No. 74-74 is disclosed. These Japanese Unexamined Patent Publication No.
In the stencil printing apparatus disclosed in any one of JP-A-71996 and JP-A-8-118774,
One plate discharging device is arranged in correspondence with one plate cylinder on which a stencil sheet made by winding is set and wound.

[0003]

According to the above-mentioned conventional configuration, there are the following problems. That is, JP-A-6-71
In each of the stencil printing apparatuses disclosed in Japanese Patent Application Laid-Open No. 996 and Japanese Patent Application Laid-Open No. HEI 8-118774, one stencil sheet on which a perforated and perforated stencil sheet is wound / plated is provided one for each cylinder. However, there is a problem that the size of the entire plate discharging apparatus is increased and the configuration is complicated. In addition, there is, of course, a problem that the cost increases.

The present invention has been made on the basis of the above points, and an object of the present invention is to make it possible to use only one plate discharging device in a device having two or more plate cylinders, whereby It is an object of the present invention to provide a stencil printing apparatus capable of reducing the size of the apparatus, simplifying the configuration, and reducing the cost.

[0005]

To achieve the above object, a stencil printing apparatus according to claim 1 of the present invention comprises at least a plate cylinder for winding and setting a stencil sheet perforated and made on the basis of manuscript data. In a stencil printing machine provided with two stencils, one stencil discharging means is arranged at an arbitrary place, and stencils wound and set on a plate cylinder close to the stencil discharging means are directly discharged to the stencil discharging means side. The stencil wrapped around the plate cylinder spaced / arranged with respect to the plate discharging means is conveyed to the plate cylinder adjacent to the plate discharging means, or the stencil sheet is discharged through another plate cylinder. The plate is conveyed to a plate cylinder adjacent to the plate drum, from which the plate is discharged to the plate discharging means side. A stencil printing apparatus according to a second aspect of the present invention is the stencil printing apparatus according to the first aspect, wherein each plate cylinder is provided with a clamp means for clamping one end of the stencil sheet, and the stencil sheet is separated from the plate cylinder by another plate. When handing over to the torso,
The respective clamping means are opened facing each other, and the clamping means is closed in a state where the stencil sheet is once moved to the clamping means side of another plate cylinder, and thereafter, each stencil sheet is rotated to rotate the stencil sheet. From one to another plate cylinder. According to a third aspect of the present invention, there is provided a stencil printing apparatus, wherein a stencil sheet perforated and made on the basis of original data is wound and set, and a first stencil sheet is provided with a clamp means for selectively holding a leading end of the stencil sheet. A second plate cylinder comprising a plate cylinder, a stencil sheet perforated and made on the basis of original data, and a clamping means for selectively holding the leading end of the stencil sheet; A transfer cylinder provided between the plate cylinder and the first plate cylinder, the transfer cylinder having a clamp means for transferring an ink image from the second plate cylinder and selectively holding a leading end of the stencil sheet; Printing paper is supplied between the first plate cylinder and the transfer cylinder, and the printing paper is conveyed while being pressed against each other by the first plate cylinder and the transfer cylinder. In the stencil printing machine, the first plate cylinder, the second plate cylinder, A plate discharging means is installed in the vicinity of one of the cylinder and the transfer cylinder, and the stencil paper wound and set on the cylinder close to the plate discharging means is discharged directly to the plate discharging means. For stencil paper wound and set on cylinders that are separated and arranged apart from each other, the holding function of the clamping means of each cylinder is selectively operated to directly receive the The plate is delivered or delivered via an adjacent drum, and the plate is discharged to the plate discharging means via a drum close to the plate discharging means. Further, the stencil printing apparatus according to the fourth aspect performs perforation and stencil printing based on original data.
A first stencil provided with a clamping means for selectively holding the leading end of the stencil sheet while the stencil sheet is wound and set, and a stencil sheet perforated and made based on the original data. A second plate cylinder provided with clamping means for being rotated / plated and selectively holding the leading end of the stencil sheet, and printing paper is placed between the first plate cylinder and the second plate cylinder. Supplying the printing paper while pressing the printing paper between the first printing drum and the second printing drum, thereby printing on the front surface and the back surface of the printing paper, respectively. A plate discharging means is installed in the vicinity of one of the two plate cylinders, and the stencil sheet wound and set on the cylinder close to the plate discharging means is discharged directly to the plate discharging means,
Winding around the cylinder that is separated and arranged with respect to the plate discharging means
With respect to the stencil sheet on which the printing has been performed, the holding function of the clamping means of each cylinder is selectively operated to transfer the stencil sheet to the cylinder close to the plate discharging means, and to the plate discharging means via the cylinder close to the plate discharging means. It is characterized in that the plate is discharged.

That is, in the case of the stencil printing apparatus according to the present invention, in a stencil printing apparatus having at least two plate cylinders on which a perforated and perforated stencil sheet is wound and set,
One plate discharging means is used, thereby simplifying the configuration, reducing the size of the apparatus, and reducing the cost. In addition, the stencil sheet wound and set on a plate cylinder spaced or arranged with respect to the plate discharging means is conveyed directly to the plate cylinder close to the plate discharging means or via another plate cylinder. From the plate discharging means to the plate discharging means.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS.
A first embodiment of the present invention will be described. First, a schematic configuration of a stencil printing apparatus according to the present embodiment will be described with reference to FIG. There are a first plate cylinder 1 and a second plate cylinder 3, and a transfer cylinder 5 is arranged between the first plate cylinder 1 and the second plate cylinder 3. The first plate cylinder 1, the second plate cylinder 3, and the transfer cylinder 5
It is configured to rotate in synchronization with driving means (not shown). The first plate cylinder 1 rotates in the direction indicated by arrow A in FIG. 1, the second plate cylinder 3 rotates in the direction indicated by arrow B in FIG. 1, and the transfer cylinder 5 moves in the direction indicated by arrow C in FIG. To rotate.

A plate making means 7 is provided on the upper right of the first plate cylinder 1 in FIG. 1, and a plate making means 9 is also provided on the upper right of the second plate cylinder 3 in FIG. Plate making means 7
Is provided with a base paper roll 11, and this base paper roll 11
The stencil sheet 13 is wound around. A line thermal head 15 and a platen 17 are opposed and arranged on the upper left of the base paper roll 11 in FIG. On the left side of the line thermal head 15 and the platen 17 in FIG. 1, feed rollers 19 and 21 are opposed and arranged.
The cutter means 23 and the feed rollers 25 and 27 are opposed and arranged. Since the plate making means 9 has the same configuration as that of the plate making means 7, the same portions in the drawings are denoted by the same reference numerals and description thereof is omitted.

A clamp means 29 is provided at a predetermined position on the outer peripheral surface of the first plate cylinder 1 so as to clamp the leading end of the stencil sheet 13 sent from the plate making means 7. Similarly, a clamp means 31 is provided at a predetermined position on the outer peripheral surface of the second plate cylinder 3 so as to clamp the leading end of the stencil sheet 13 sent from the plate making means 9.

On the left side of the transfer cylinder 5 in FIG. 1, a paper feeding means 33 is provided. The sheet feeding means 33 is provided on the sheet feeding table 3.
5, a plurality of printing papers 37 are stacked and arranged on the paper feed table 35. Then, a pickup roller 39 is arranged so as to contact the uppermost printing paper 37. On the right side of the pickup roller 39 in FIG. 1, a pair of registration rollers 41 and 43 are opposed and arranged. Then, the uppermost printing paper 37 is taken out by the pickup roller 39 and is supplied between the first plate cylinder 1 and the transfer cylinder 5 via a pair of registration rollers 41 and 43.

A paper discharging means 45 is disposed on the right side of the transfer cylinder 5 in FIG. The paper discharge means includes a paper discharge stocker 47, a stopper 49, a guide means (not shown), and the like.
The printing paper 37 that is guided in nine directions and collides with the stopper 49 and descends is stored in the discharge stocker 47 in a stacked state.

According to the above configuration, first, original data for front side printing is read by original reading means (not shown).
The read original data for front side printing is output to the line thermal head 15 of the plate making means 7. Then, the line thermal head 15 performs perforation and plate making on the stencil sheet 13 supplied from the stencil roll 11 according to the original data for front side printing. The perforated stencil 13 that has been perforated and made
The sheet is conveyed in the direction of the first plate cylinder 1 via the feed rollers 19, 21, 25 and 27. The leading end of the stencil sheet 13 conveyed in the direction of the first plate cylinder 1 is clamped by the clamping means 29. Thereafter, as the first plate cylinder 1 rotates in the direction of the arrow A, the first plate cylinder 1 is wound and set on the outer peripheral surface of the first plate cylinder 1. At this time, the sheet is cut by the cutter means 23 at a predetermined length.

Next, document data for backside printing is read by document reading means (not shown), and the read backside printing document data is output to the line thermal head 15 of the plate making means 9. Then, the stencil sheet 13 supplied from the stencil paper roll 11 is subjected to perforation and plate making in accordance with the back side printing document data by the line thermal head 15. Perforation
The stencil sheet 13 on which stencil making has been performed is fed by feed rollers 19, 2
It is conveyed in the direction of the second plate cylinder 3 via 1, 25 and 27. The leading end of the stencil sheet 13 conveyed in the direction of the second plate cylinder 3 is clamped by the clamping means 31. Thereafter, when the second plate cylinder 3 rotates in the direction of arrow B, the second plate cylinder 3 is wound and set on the outer peripheral surface of the second plate cylinder 3. or,
At this time, the sheet is cut by the cutter means 23 at a predetermined length. By the above operation, the stencil sheet 13 for front side printing and the stencil sheet 13 for back side printing are wound and set on the outer peripheral surfaces of the first plate cylinder 1 and the second plate cylinder 3, respectively.

Next, a printing operation is started. That is, one sheet of printing paper 37 is supplied from the paper supply unit 33 to the first plate cylinder 1 and the transfer cylinder 5.
Is supplied between The supplied printing paper 37 is the first
It passes between the plate cylinder 1 and the transfer cylinder 5, at which time the first plate cylinder 1
The front side printing is performed from the side, and the back side printing is performed from the transfer cylinder 5 side. On the transfer cylinder 5 side, an image is temporarily transferred from the second plate cylinder 3 side to the transfer cylinder 5 side, and the transferred image is transferred and printed on the back side of the printing paper 37. The printed printing paper 37 is discharged and accommodated by the discharging means 45. Hereinafter, by repeating the same operation, the same printing is performed on a plurality of printing papers 37.

In the stencil printing apparatus having such a configuration and operation, a plate discharging means 61 is disposed. This plate discharging means 6
1 is arranged at the upper left of the second plate cylinder 3 in FIG.
That is, the used stencil sheet 13 whose printing has been completed is
There is also on the outer peripheral surface of the first plate cylinder 1 and on the outer peripheral surface of the second plate cylinder 3. The used stencil paper 13 of both of these is
The plate is to be discharged into the plate discharging means 61.

The details will be described below. The plate discharging means 61
Has a plate discharging box 63 in which a plate discharging roll 65 is arranged. The plate discharging roll 65 is configured to be rotationally driven by a driving unit (not shown). In addition, the above-mentioned plate discharge box 6
A pair of plate discharging rollers 67 and 69 are arranged on the entrance side of the plate 3. Either one of the pair of plate discharging rollers 67, 69 is driven to rotate by a driving unit (not shown). Also, the pair of plate discharging rollers 67, 6
9, a plate discharge guide claw 71 is disposed on the right side in FIG. The plate discharge guide pawl 71 is rotatably mounted about a shaft member 73, and is appropriately rotated between a position shown by a solid line and a position shown by a broken line in FIG. . Then, at the time of plate discharging, the plate rotates and moves toward the second plate cylinder 3 to be in a state shown by a broken line in FIG. The transfer cylinder 5 is provided with a clamp 75.

The operation will be described based on the above configuration.
Since the operation up to printing has already been described, here, only the plate discharging operation by the plate discharging device 61 will be described. First, a description will be given of the discharge of the stencil sheet 13 wound and set on the outer peripheral surface of the second plate cylinder 3. The first plate cylinder 1, the second plate cylinder 3, and the transfer cylinder 5 are indicated by arrows A, B, and C, respectively.
When the clamp means 31 of the second plate cylinder 3 comes to a position corresponding to the plate discharge guide pawl 71, the rotation is stopped. This is shown in FIG. Then, as shown in the figure, the clamping means 31 performs an opening operation, whereby the raising spring 32 attached to the clamping means 31 rises, thereby winding the outer peripheral surface of the second plate cylinder 3. The leading end of the stencil sheet 13 on which the printing has been performed separates from the second plate cylinder 3 and floats.

On the other hand, the stencil guide pawl 71 is rotated toward the second plate cylinder 3 by driving means (not shown) to prepare for receiving the stencil sheet 13 to be stenciled. And the plate discharging roller 6
By rotating the second plate cylinder 3 again while rotating the stencil sheet 7 and 69, the stencil sheet 13 is brought into a pair of plate discharging rollers 67,
The sheet is separated and conveyed in the 69 direction, and from there, as shown in FIG. 3, is conveyed to the plate discharging roll 65 by a pair of plate discharging rollers 67 and 69. The leading end of the stencil sheet 13 conveyed to the stencil roll 65 adheres to the stencil roll 65 (sticks with ink attached to the stencil 13), and the stencil roll 65 is wound around the stencil roll 65 by rotation. Will be done. With this, the second plate cylinder 3
Discharge of the used stencil sheet 13 on the side is ended.

Next, the operation of discharging the stencil sheet 13 wound and set on the first plate cylinder 1 will be described. In this case, basically, the stencil sheet 13 on the first plate cylinder 1 is transferred to the transfer cylinder 5 side, further transferred from the transfer cylinder 5 to the second plate cylinder 3, and the stencil discharge means 61 is transferred from the second plate cylinder 3 to the plate discharge means 61. It is the one that discharges the plate. First, as shown in FIG. 4, the first plate cylinder 1, the second plate cylinder 3, and the transfer cylinder 5 are rotated in the directions of arrows A, B, and C, respectively. Then, when the clamp means 29 of the first plate cylinder 1 and the clamp means 75 of the transfer cylinder 5 are opposed to each other, the clamp means 29 and 75 are released. First, the raising spring 30 is erected by the opening operation of the clamp means 29, whereby the leading end of the stencil sheet 13 wound and set on the outer peripheral surface of the first plate cylinder 2 hangs down to the transfer cylinder 5 side. The leading end of the stencil 13 is placed on a raising spring 76 of a clamp means 75 on the transfer cylinder 5 side.

In this state, the clamping means 7 on the transfer cylinder 5 side
Close 5. Thus, the leading end of the stencil sheet 13 is clamped by the clamping means 75 on the transfer cylinder 5 side. Thereafter, the stencil sheet 13 is moved from the first plate cylinder 1 side to the transfer cylinder 5 side by rotating the first plate cylinder 1, the second plate cylinder 3, and the transfer cylinder 5 in the directions of arrows A, B, and C, respectively. Will be handed over.

Next, as shown in FIG. 5, the first plate cylinder 1, the second plate cylinder 3, and the transfer cylinder 5 are rotated in the directions of arrows A, B, and C, respectively, to clamp the transfer cylinder 5. When the position of the second plate cylinder 75 and the clamping means 31 of the second plate cylinder 3 are opposed to each other, the clamping means 75 and 31 are released. As a result, the leading end of the stencil sheet 13 on the transfer cylinder 5 side hangs down on the raising spring 32 on the clamp means 31 side and is placed. Next, the clamping means 31 is closed and the leading end of the stencil sheet 13 is clamped. Thereafter, the first plate cylinder 1, the second plate cylinder 3, and the transfer cylinder 5 rotate in the directions of arrows A, B, and C, respectively, so that the stencil sheet 13 is moved from the transfer cylinder 5 side to the second plate cylinder 3.
Will be handed over to the side.

By the above operation, the stencil sheet 13 wound and set on the outer peripheral surface of the first plate cylinder 1 has moved to the second plate cylinder 3. After that, the stencil sheet 13 on the second plate cylinder 3 is discharged into the plate discharge device 61 by the operation described above.

According to the present embodiment, the following effects can be obtained. First, the first plate cylinder 1 and the second plate cylinder 3
Since the stencil sheet wound and set on both of them is discharged using one plate discharge means 61, the stencil sheet is discharged.
Accordingly, the configuration can be simplified, the size of the device can be reduced, and the cost can be reduced. or,
When the stencil sheet 13 wound and set on the first plate cylinder 1 is discharged, the stencil sheet 13 is transferred from the first plate cylinder 1 to the transfer cylinder 5.
To the second plate cylinder 3, and from there, the plate is discharged by the same operation as in the case of the stencil sheet 13 wound and set on the second plate cylinder 3. There is no need to provide a configuration for transport. That is, there is no complication of the configuration and no increase in the size of the apparatus in order to use one plate discharging means.

Next, a second embodiment of the present invention will be described with reference to FIG. In the first embodiment, the stencil sheet 1 wound and set on the outer periphery of the second plate cylinder 3 first is used.
3 is discharged, and then the stencil sheet 13 wound and set on the outer periphery of the first plate cylinder 1 is discharged. On the other hand, in the case of the second embodiment, the first plate cylinder 1
The stencil sheet 13 wound and set on the outer periphery of the stencil sheet and the stencil sheet 13 wound and set on the outer periphery of the second plate cylinder 3 are to be simultaneously discharged.

First, by the operation described in the first embodiment, the stencil sheet 13 wound and set on the outer periphery of the first plate cylinder 1 is transferred to the transfer cylinder 5 side. Hand over to the 2nd cylinder 3 side. FIG. 6 shows this state. At this time, the stencil sheet 13 is wound and set on the outer periphery of the second plate cylinder 3, so that the stencil sheet 13 is received from the transfer cylinder 5 side to the second plate cylinder 3 side as shown in the figure. By handing over, the two stencil sheets 13 and 13 are superimposed on the second plate cylinder 3. In this case, since the ink is attached to the stencil 13, the two stencils 13 and 13 come into close contact with each other via the ink. After that, the superposed stencil sheets 13 and 13 may be discharged to the plate discharging means 61 as they are. In this case, the plate discharging operation is performed by winding around the outer periphery of the second plate cylinder 3.
This is the same as the case where one stencil sheet 13 on which printing has been performed is discharged.

Next, a third embodiment of the present invention will be described with reference to FIGS. In the case of this embodiment, another clamping means 81 is provided on the outer periphery of the second plate cylinder 3,
By using the clamping means 81, only the stencil sheet 13 delivered from the first plate cylinder 1 is discharged to the plate discharging means 61 while the stencil sheet 13 is left on the second plate cylinder 3. is there. First, the newly provided clamping means 81
Is used to transfer the stencil sheet 13 from the transfer cylinder 5 side to the second plate cylinder 3.
Hand over to the side. Next, as shown in FIG. 8, the clamp means 81 is opened, and the leading end of the transferred stencil sheet 13 is separated and floated from the second plate cylinder 3 side by the raising spring 82. Thereafter, the plate is guided to the plate discharging means 61 by the plate discharging counter-guide pawl 71 and is discharged to the plate discharging means 61 side. This is shown in FIG. At that time, the stencil sheet 13 wound and set on the second plate cylinder 3 side remains as it is.

At this time, the plate discharging means 61 is disposed higher than in the first embodiment. In particular, the plate discharging guide pawl 71 is located near the contact point between the transfer cylinder 5 and the second plate cylinder 3. Since the stencil sheet is arranged, the stencil sheet 13 transferred from the transfer cylinder 5 side to the second plate cylinder 3 can be immediately discharged to the plate discharging means 61 side. Times
The stencil sheet 13 on which the printing has been performed is not inadvertently stained by the ink attached to the stencil sheet 13 delivered from the transfer cylinder 5 side. According to such a configuration, the stencil sheet 13 on the first plate cylinder 1 side can be discharged regardless of the stencil sheet 13 on the second plate cylinder 3 side.

Next, a fourth embodiment of the present invention will be described with reference to FIG. In the case of the first to third embodiments, the plate discharging means 61 is arranged on the second plate cylinder 3 side,
The stencil paper 13 wound and set on the outer periphery of the printing drum 1 is
The sheet is delivered to the second plate cylinder 3 via the transfer cylinder 5, and the plate is discharged to the plate discharging means 61 therefrom. On the other hand, in the case of the fourth embodiment, the plate discharging means 61 is arranged on the upper left of the first plate cylinder 1 in FIG.

In this case, the first plate cylinder 1 is wound around the outer periphery thereof.
The stencil 13 on which the printing has been performed is discharged to the plate discharging means 61 as it is, and the stencil 13 which has been wound and landed on the second printing drum 3 side is transferred therefrom. 5 and then to the first plate cylinder 1 side, from which the plate is discharged to the plate discharging means 61 side.

Next, a fifth embodiment of the present invention will be described with reference to FIG. In the case of the fifth embodiment, the plate discharging means 61 is arranged on the side of the transfer cylinder 5. Then, the stencil sheet 13 wound and set on the outer periphery of the first plate cylinder 1 is delivered to the transfer cylinder 5 side and discharged therefrom to the plate discharging means 61 side. Further, the stencil sheet 13 wound and set on the outer periphery of the second plate cylinder 3 is delivered to the transfer cylinder 5 side from there, and discharged therefrom to the plate discharging means 61 side. In this case, each stencil sheet 13 can be discharged independently of the other stencil sheets 13 without newly providing the clamping means 81 as in the configuration shown in FIG.

Next, a sixth embodiment of the present invention will be described with reference to FIG. In the first to fifth embodiments, the stencil printing apparatus including the first plate cylinder 1, the second plate cylinder 3, and the transfer cylinder 5 has been described as an example. In the case of the first embodiment, an example in which the present invention is applied to a stencil printing apparatus including two plate cylinders, a first plate cylinder 1 and a second plate cylinder 3, is shown. In this case, the stencil sheet 13 for front side printing is perforated and made by the stencil making means 7 using the stencil sheet 13 having no distinction between the front and back sides, and the stencil sheet 13 is wound around the outer peripheral surface of the first plate cylinder 1.・ I make a plate. Further, the stencil sheet 13 for back printing is pierced and made by the plate making means 7, passed from the first plate cylinder 1 to the second plate cylinder 3, and wound around the outer peripheral surface of the second plate cylinder 3.・ I make a plate.

Then, one sheet of printing paper 37 is supplied between the first plate cylinder 1 and the second plate cylinder 3 by the paper supply means 33.
The supplied printing paper 37 includes the first plate cylinder 1 and the second plate cylinder 3.
, The front side printing is performed from the first plate cylinder 1 side, and the back side printing is performed from the second plate cylinder 3 side. Then, the paper is discharged by the paper discharging means 45.

Regarding the stencil sheet 13 on the second plate cylinder 3 side, the stencil sheet 13 on the side of the second plate cylinder 3 is directly discharged to the plate discharging means 61 side, and the stencil sheet 13 wound and set on the first plate cylinder 1 side is: The sheet is once delivered to the second plate cylinder 3 side, and then discharged to the plate discharging means 61 side.

The present invention is not limited to the first to sixth embodiments. For example, the configuration of the stencil discharging means 61 itself may be of a type in which the stencil sheet 13 is sucked and peeled off from each plate cylinder (for example, Japanese Patent Publication No. 1-32788). There is what is shown in the gazette). The configuration of the stencil printing apparatus to which the present invention is applied is not limited to the illustrated one. In short, the stencil printing machine is provided with two or more plate cylinders on which a perforated and perforated stencil sheet is wound and set. It is sufficient if there are two or more stencil sheets to be processed. Also, where to place the plate discharging means is not limited to the illustrated one.

[0035]

As described above in detail, according to the stencil printing apparatus of the present invention, first, the stencil sheet wound and set on two or more plate cylinders is used by one stencil discharging means. Since the configuration is such that the plate is discharged, the configuration can be simplified, the size of the apparatus can be reduced, and the cost can be reduced. Regarding the stencil paper wound around the plate cylinder that is separated and arranged from the plate discharging means,
Since the sheet is conveyed to the plate cylinder close to the plate discharging means via another adjacent plate cylinder, and the plate is discharged to the plate discharging means from there, there is no need for a special configuration for conveyance.
In order to use only one plate discharging means, the configuration is complicated,
There is no need to increase the size of the device.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating a first embodiment of the present invention, and is a diagram schematically illustrating a configuration of a stencil printing apparatus.

FIG. 2 is a diagram showing the first embodiment of the present invention, schematically showing a part of the configuration of the stencil printing apparatus, and showing a stencil discharging operation in the order of operation.

FIG. 3 is a diagram showing the first embodiment of the present invention, schematically showing a part of the configuration of the stencil printing apparatus, and showing a stencil discharging operation in the order of operation.

FIG. 4 is a diagram showing the first embodiment of the present invention, schematically showing a part of the configuration of the stencil printing apparatus, and showing a stencil discharging operation in the order of operation.

FIG. 5 is a diagram showing the first embodiment of the present invention, schematically showing a part of the configuration of the stencil printing apparatus, and showing a stencil discharging operation in the order of operation.

FIG. 6 is a view showing a second embodiment of the present invention, schematically showing a partial configuration of a stencil printing apparatus, and showing a stencil discharging operation in the order of operation.

FIG. 7 is a view illustrating a third embodiment of the present invention, and is a view schematically illustrating a configuration of a stencil printing apparatus.

FIG. 8 is a view showing a third embodiment of the present invention, schematically showing a part of the configuration of a stencil printing apparatus, and showing a stencil discharging operation in the order of operation.

FIG. 9 is a view showing a third embodiment of the present invention, schematically showing a part of the configuration of the stencil printing apparatus, and showing a stencil discharging operation in the order of operation.

FIG. 10 is a view illustrating a fourth embodiment of the present invention, and is a view schematically illustrating a configuration of a stencil printing apparatus.

FIG. 11 is a view illustrating a fifth embodiment of the present invention, and is a view schematically illustrating a configuration of a stencil printing apparatus.

FIG. 12 is a view illustrating a sixth embodiment of the present invention, and is a view schematically illustrating a configuration of a stencil printing apparatus.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 first plate cylinder 3 second plate cylinder 5 transfer cylinder 7 plate making means 9 plate making means 13 stencil sheet 29 clamp means 31 clamp means 33 paper feed means 45 paper discharge means 61 plate discharge means 75 clamp means

Claims (4)

[Claims] 1. A stencil printing machine provided with at least two plate cylinders for winding and setting a stencil sheet perforated and made on the basis of manuscript data, wherein one stencil discharging means is arranged at an arbitrary place, The stencil sheet wound and set on the plate cylinder close to the plate discharging means is directly discharged to the plate discharging means side, and the stencil sheet is wound and fixed on the plate cylinder spaced and arranged with respect to the plate discharging means. That the stencil sheet has been transported to the plate cylinder adjacent to the plate discharging means, or conveyed to the plate cylinder close to the plate discharging means via another plate cylinder, from which the plate is discharged to the plate discharging means side. A stencil printing machine characterized by the following. 2. The stencil printing machine according to claim 1, wherein each plate cylinder is provided with a clamping means for clamping one end of the stencil sheet, and when the stencil sheet is transferred from the plate cylinder to another plate cylinder. Is opened with the respective clamp means facing each other, and the clamp means is closed in a state where the stencil sheet is once moved to the clamp means side of another plate cylinder, and thereafter, the stencil sheet is rotated by rotating each plate cylinder. A stencil printing machine characterized in that a stencil printing machine is transferred from a printing drum to another printing drum. 3. A first plate cylinder provided with a clamp means for winding and setting a stencil sheet perforated and made on the basis of manuscript data and selectively holding a leading end of the stencil sheet; A second plate cylinder provided with a clamp means for winding and setting a stencil sheet perforated and made on the basis of the above, and selectively holding a leading end of the stencil sheet; the first plate cylinder and the second plate A transfer cylinder provided between the first plate cylinder and a transfer cylinder, the transfer cylinder having a clamp means for transferring an ink image from the second plate cylinder and selectively holding a leading end of the stencil sheet; A stencil printing apparatus that supplies printing paper between the cylinders and conveys the printing paper while pressing the printing paper against each other by the first plate cylinder and the transfer cylinder, thereby performing printing on the front surface and the back surface of the printing paper, respectively. 1st plate cylinder, 2nd plate cylinder, transfer cylinder The stencil sheet wound around the drum close to the stencil discharge means is directly discharged to the stencil discharge means, and is separated and arranged with respect to the stencil discharge means. Wound around the torso
With respect to the stencil sheet on which the printing has been performed, the holding function of the clamping means of each cylinder is selectively operated to directly deliver the stencil sheet to the cylinder adjacent to the stencil discharging means or to deliver the stencil sheet through the adjacent cylinder. A stencil printing apparatus, wherein the plate is discharged to the plate discharging means via a cylinder close to the means. 4. A first plate cylinder provided with a clamp means for winding and setting a stencil sheet perforated and made on the basis of manuscript data and selectively holding a leading end of the stencil sheet; And a second plate cylinder provided with a clamp means for selectively holding the leading end of the stencil sheet while the stencil sheet formed and perforated based on the stencil sheet is wound and set. And supply the printing paper between the second plate cylinder and
In a stencil printing apparatus for printing on the front and back surfaces of a printing sheet by transporting the printing sheet while pressing the printing sheet between the first and second plate cylinders, The plate discharging means is installed in a state close to any one of them, and the stencil wrapped around the drum close to the plate discharging means is directly discharged to the plate discharging means, and is separated and arranged with respect to the plate discharging means. Winding around the torso
With respect to the stencil sheet on which the printing has been performed, the holding function of the clamping means of each cylinder is selectively operated to deliver the stencil sheet to the cylinder adjacent to the plate discharging means, and to the plate discharging means via the cylinder close to the plate discharging means. A stencil printing apparatus characterized in that the stencil is discharged.