JP2001146065A - Stencil printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent occurrence of a state in which handleability is deteriorated due to the replacement of the layout of an engraving start key as a print start key of a stencil printer used so far from a purchased stencil printer in the case of replacing to purchase the printer and to prevent the erroneous operation of the engraving start key as the print start key. SOLUTION: Two start keys 24, 25 are provided on a control panel 23. Then, the functions of the two keys 24, 25 are set alterably so that the arbitrary one start key 24 (or 25) has an engraving starting function and the other start key 25 (or 24) has a print starting function.

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 for making a master and performing printing using the master.

[0002]

2. Description of the Related Art Conventionally, in a stencil printing machine for making a master and performing printing using the master, a stencil start key, a print start key, a numeric keypad, and various other keys are provided on an operation panel. In the stencil printing machine, among these keys provided on the operation panel, the stencil making start key and the printing start key are frequently used.

[0006] The layout of the plate making start key and the printing start key on the operation panel varies depending on the manufacturer or the model. Therefore, when the stencil printing apparatus is replaced, the layout of the stencil printing start key and the printing start key is switched between the purchased stencil printing apparatus and the stencil printing apparatus that has been used so far, and the usability is deteriorated. There are cases.

[0004]

In the case where the layout of the stencil printing start key and the printing start key is switched between the stencil printing machine purchased and the stencil printing machine used so far, the stencil making start key is not used. It becomes easy to operate the print start key incorrectly.

[0005] If an erroneous operation of pressing the print start key with the intention of pressing the plate making start key is performed, unnecessary printing is performed, resulting in waste of printing paper.

If an erroneous operation of pressing the plate making start key with the intention of pressing the print start key is performed, the used master is discharged, and the same master must be made again. There is a waste of time and a waste of time for making the master.

[0007] Among the various wastes described above, the master base paper is expensive, and there is a demand to prevent the waste of the master base paper as much as possible.

According to the present invention, when the stencil printing apparatus is replaced or the like, the layout of the stencil printing apparatus and the stencil printing apparatus which have been used so far is replaced by the layout of the stencil making start key and the printing start key, and the stencil printing apparatus is inconvenient. It is an object of the present invention to provide a stencil printing apparatus that can prevent the occurrence of a stencil start key and a print start key from being erroneously operated because the layout of the stencil start key and the print start key is switched. .

[0009]

According to the first aspect of the present invention,
In a stencil printing machine that makes a master in the stencil making section and wraps the stencil master around the outer peripheral surface of a porous cylindrical plate cylinder to perform printing, a start key with a stencil start function to start stencil making and a printing operation are started. At least two start keys are provided on the operation panel with a start key having a print start function, and one start key has a plate making start function and the other start key has a print start function. The functions of the two start keys are provided so as to be changeable.

Therefore, of the two start keys provided on the operation panel, any one can be used as a plate making start key and the other can be used as a printing start key. For this reason, even if the stencil printing machine that was purchased is different from the stencil printing machine that has been used so far, such as when the stencil printing machine is replaced, the stencil printing start key and the printing start key are Is prevented from occurring, and the erroneous operation of the plate making start key and the printing start key caused by the switching of the layout between the plate making start key and the printing start key is prevented.

According to a second aspect of the present invention, in the stencil printing apparatus according to the first aspect, the start key is provided with a switchable function display section for displaying a stencil start function or a print start function of the start key. ing.

Therefore, by looking at the function display section of each start key, it is possible to easily confirm whether the start key has a plate making start function or a print start function, and occurrence of an erroneous operation. Is prevented.

[0013]

FIG. 1 shows a first embodiment of the present invention.
A description will be given based on FIG. FIG. 1 is a front view showing a part of the stencil printing apparatus. FIG. 2 is a plan view showing a part of an operation panel provided in the stencil printing apparatus.

In this stencil printing apparatus, a porous cylindrical plate cylinder 1 rotatably provided about an axis, and a plate cylinder movably provided at a position which comes into contact with and separates from the outer peripheral surface of the plate cylinder 1. 1, a press roller 2 rotatable about an axis parallel to the axis of the plate 1, a plate making section 3 for making a master (not shown) wound around the outer peripheral surface of the plate cylinder 1, and the press roller 2 on the outer peripheral surface of the plate cylinder 1. A moving mechanism (not shown) for moving the master to a position where it comes into and away from the plate, a plate discharging unit 4 for peeling the used master from the plate cylinder 1 and discharging the plate, and a printing sheet 5 fed between the plate cylinder 1 and the press roller 2 Registration roller 6, which measures the paper feed timing,
A suction discharge mechanism 8 and the like for discharging the print paper 5 on which printing has been completed onto the discharge tray 7 are provided.

In the interior of the plate cylinder 1, an ink pipe 9 which is located on the axis of the plate cylinder 1 and also serves as a support shaft for rotatably supporting the plate cylinder 1, and an inner peripheral surface of the plate cylinder 1. An ink roller 10 that is driven to rotate in the same direction as the plate cylinder 1 with a minute gap, a doctor roller 11 that is arranged with a minute gap between the ink roller 10 and the outer peripheral surface of the ink roller 10, and the like are arranged. A clamper 12 connected to an opening / closing mechanism (not shown) is provided on the outer peripheral surface of the plate cylinder 1 so as to be freely opened and closed.

The plate-making section 3 is a place where the master is made by drawing out the master base paper 13 wound in a roll and punching it by heating and melting. The platen is connected to a stepping motor (not shown) and is driven to rotate. Roller 1
4. A thermal head 15 having a large number of heating elements and pressed against the outer peripheral surface of the platen roller 14 by a spring member (not shown). A cutter 16 that cuts the trailing edge of the master and a master guide plate 17 that guides the master toward the plate cylinder 1 are provided between the plate making unit 3 and the plate cylinder 1.

The plate discharge section 4 includes a plate discharge storage box 18, a plate discharge roller 19 that peels off the master wound around the plate cylinder 1 from the plate cylinder 1 and sends the master into the plate discharge storage box 18.

The suction / discharge mechanism 8 includes a separation claw 20 for separating the leading end of the printing paper 5 from the master wound around the plate cylinder 1, and a conveyance for transferring the separated printing paper 5 to the discharge tray 7. Belt 21, suction fan 2 for attracting printing paper 5 conveyed by conveyance belt 21 to conveyance belt 21
2 and the like.

A scanner (not shown) for reading the image of the original, an ADF (not shown) on which the original to be fed to the scanner is set, and an operation panel 23 are provided above the stencil printing apparatus.
Etc. are provided. On the operation panel 23, a first start key 24 as a start key, a second start key 25 as a start key, a ten key 26, an LCD 27 for displaying various information, and the like are provided (see FIG. 2).

The first start key 24 and the second start key 25 are connected to a control unit (not shown) for controlling various operations of the stencil printing machine, and one of them has a stencil start function for starting a stencil operation. The other has a print start function for starting a printing operation, and the first and second start keys 24 and 25 are provided so that those functions (plate making start function and print start function) can be changed.
That is, a state in which the first start key 24 has a plate making start function and the second start key 25 has a print start function, and a case where the first start key 24 has a print start function and the second start key 25 has a plate making start function. Can be changed. The functions of the first and second start keys 24 and 25 can be changed by hardware-switching a dip switch (not shown) or a jumper wire (not shown) provided on the board, or by software. This is done by changing the settings.

The first and second start keys 24 and 25 include:
Switchable function display sections 24a, 25 for displaying whether the function is a plate making start function or a printing start function.
a is provided. These function display sections 24a, 25a
A character display section in which characters of "plate making" and "printing" are printed on a translucent resin plate provided at the center of the first and second start keys 24 and 25; The two function indicators 24a and 25a are switched by switching the LEDs to be turned on.

In such a configuration, when the stencil printing apparatus is replaced or the like, the first and second start-ups are performed by performing hardware-based dip switches and jumper line switching or software-based setting changes. Key 24,
25 functions are arbitrarily changed, and the first and second start keys 2
One of 4, 25 can be used as a printing start key and the other can be used as a printing start key. For this reason, even if the stencil printing machine that has been purchased and the stencil printing machine that has been used so far have different manufacturers and models, the layout of the stencil making start key and the printing start key is exchanged, and the usability is deteriorated. Occurrence of a situation can be prevented, and an erroneous operation between the start of the plate making operation and the start of the printing operation due to the interchange of the layout of the plate making start key and the printing start key is prevented. For this reason, it is possible to prevent the occurrence of an erroneous operation of erroneously starting the plate making operation when trying to start the printing operation, and it is possible to prevent the in-use master from being discharged due to such an erroneous operation, Useless use of the expensive master base paper 13 is prevented.

When the first start key 24 is used as a plate making start key and the second start key 25 is used as a printing start key, when the power switch is turned on, as shown in FIG. In the function display portion 24a of the start key 24, the LED located below the character display portion of "plate making" is turned on, and in the function display portion 25a of the second start key 25, the LED is located below the character display portion of "print". LED is turned on. Thus, it is displayed that the first start key 24 functions as a plate making start key, and that the second start key 25 functions as a printing start key.

On the other hand, when the first start key 24 is used as a printing start key and the second start key 25 is used as a plate making start key, when the power switch is turned on, as shown in FIG. 1st start key 2
In the function display portion 24a of No. 4, an LED located below the character display portion of "print" is turned on, and in the function display portion 25a of the second start key 25, an LED located below the character display portion of "plate making" is displayed. Lights up. Thereby, it is displayed that the first start key 24 functions as a printing start key, and that the second start key 25 functions as a plate making start key.

The user of the stencil printing apparatus sees the function display portions 24a and 25a of the first and second start keys 24 and 25, and the functions of the first and second start keys 24 and 25 are the stencil making start function. It is possible to easily confirm whether or not there is a printing start function, and it is possible to more reliably prevent an erroneous operation between the start of the plate making operation and the start of the printing operation.

Next, a second embodiment of the present invention will be described with reference to FIG.
It will be described based on. 1 and 2 are denoted by the same reference numerals, and description thereof will be omitted. The stencil printing apparatus according to the present embodiment changes the structure related to stencil printing and the functions of the first start key 24 and the second start key 25 provided on the operation panel 23 (engraving start function, print start function). The possible structure is the same as in the first embodiment. The difference from the first embodiment is the structure of switchable function display sections 24b and 25b for displaying whether the function of the second start keys 24 and 25 is a plate making start function or a print start function.

The function display sections 24b and 25b are provided with the first and second
A recess formed at the center of the start keys 24 and 25;
And a seal affixed in the concave portion, and the characters "plate making" or "printing" are printed on the seal.

In such a configuration, in the present embodiment, as in the first embodiment, when a stencil printing apparatus is replaced, a hardware dip switch or jumper wire switching, or software One of the first and second start keys 24 and 25 can be used as a plate making start key and the other can be used as a print start key by a typical setting change. As a result, even if the stencil printing apparatus that has been purchased and the stencil printing apparatus that has been used so far have different manufacturers and models, the layout of the stencil making start key and the printing start key is switched and the usability is deteriorated. Occurrence of a situation can be prevented, and an erroneous operation between the start of the plate making operation and the start of the printing operation due to the interchange of the layout of the plate making start key and the printing start key can be prevented.

In the function display sections 24b and 25b, when the function of the first and second start keys 24 and 25 is changed, a sticker representing the function is attached to the concave portion to switch between the function display sections 24b and 25b. Easy to do. Thus, the user of the stencil printing apparatus sees the function display portions 24b and 25b of the first and second start keys 24 and 25, and the function of the first and second start keys 24 and 25 is the stencil start function. It is possible to easily confirm whether or not there is a printing start function, and it is possible to more reliably prevent an erroneous operation between the start of the plate making operation and the start of the printing operation.

[0030]

According to the stencil printing apparatus of the invention, any one of the two start keys provided on the operation panel is used as a stencil start key.
Since the other can be used as a print start key, even if the stencil printing device purchased and the stencil printing device used so far are different manufacturers and models, such as when replacing the stencil printing device , It is possible to prevent a situation in which the layout between the plate making start key and the printing start key is switched and the usability is deteriorated, and the plate making start key and the printing start key are caused by switching the layout between the plate making start key and the printing start key. Erroneous operation can be prevented. In particular, it is possible to prevent the occurrence of waste of the master base paper due to an erroneous operation of starting the plate making operation, and it is possible to greatly reduce waste of running costs.

According to the stencil printing apparatus of the second aspect of the present invention, each start key is provided with a switchable function display section for displaying a stencil start function or a print start function of the start key. By looking at the function display section of the start key, it is possible to easily confirm whether the start key has the plate making start function or the print start function, thereby preventing occurrence of erroneous operation. .

[Brief description of the drawings]

FIG. 1 is a front view showing a part of a stencil printing apparatus according to a first embodiment of the present invention.

FIG. 2 is an enlarged plan view showing a part of an operation panel.

FIG. 3 is an enlarged plan view showing a part of an operation panel of a stencil printing apparatus according to a second embodiment of the present invention.

[Explanation of symbols]

 23 Operation panel 24, 25 Start key 24a, 25a Function display part 24b, 25b Function display part

Claims (2)

[Claims] 1. A stencil printing machine for making a stencil in a stencil making section and wrapping the stencil on the outer peripheral surface of a porous cylindrical plate cylinder for printing. A start key having a stencil making function for starting a stencil making operation. And a start key having a print start function for starting a printing operation. At least two start keys are provided on the operation panel. One of the start keys has a plate making start function, and the other start key has a print start function. A stencil printing apparatus, wherein the functions of the two start keys are provided so as to be changeable. 2. The stencil printing apparatus according to claim 1, wherein the start key is provided with a switchable function display section for displaying a plate making start function or a print start function of the start key.