JPS599058A - Ink quantity adjusting device for press - Google Patents

Abstract

PURPOSE:To contrive to reduce considerably the amount of ink adjusting work by human labor by such an arrangement wherein information regarding the paper used, ink, temperature, etc. is designated respectively and the rate of area of image pattern is corrected by such designated information and the degree of opening of each of ink keys is controlled by the corrected information. CONSTITUTION:(i) The device is set to function input mode, and elemental values regarding paper, ink and temperature are caused to be memorized in memories 43, 44, 45 respectively. (ii) next, from a magnetic card 4 prepared by using a meter for measuring image pattern area of a printing plate, the image pattern are a of each color is read out by a reader 41, and it is converted into information of degree of opening by an ink key opening degree converter 42 and it is sent to an arithmetical control unit 46. (iii) Next, the device is set to normal mode, selection keys of paper, ink and temperature according to printing conditions are operated and based on elementary values read out from the memories 43, 44, 45 and opening degree information from the converter 42, the arithmetical control unit 46 calculates the ink key opening information of each color and based on the result of calculation, the amount of ink of ink of each color to be supplied to a press (a) is controlled.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an ink amount adjusting device for a printing press that sets the opening degree of an ink key in a printing press that employs, for example, a piano key type split blade.

[Technical background of the invention]

Recently, in offset printing, the image area ratio of the printing plate is read by means such as scanning with a TV right camera line sensor, and based on this reading information, the ink key opening degree of the ink tube divided is controlled and printing is started. Inkira of time? A device that performs adjustment work has been developed and put into practical use. In other words, a printing pattern area ratio meter optically detects the pattern of the printing plate to be printed, and records printing conditions such as plate size, printing area, number of ink screws, ink screw pitch, and printing color on a recording medium such as a magnetic card. , read the magnetic card with the magnetic card league of the input/output device, and the ink printer of the printing press? The opening degree of the ink screw is calculated and controlled according to this result.

[Problems with backroom technology]

However, in the above-mentioned apparatus, since the ink key opening degree is determined only based on image area ratio information, it is not possible to cope with changes in paper type, ink type, temperature conditions, etc. Therefore, it is necessary to look at the printed matter and make adjustments using the manual operation knobs of each ink key.Furthermore, it is necessary to print once according to the above information, making manual adjustment very troublesome. Met.

[Purpose of the invention]

This invention was developed in view of the above circumstances, and its purpose is to obtain ink key opening information according to printing conditions such as printing ink, printing paper, and ambient temperature at the start of printing. Moreover, it is an object of the present invention to provide an ink amount adjustment device for a printing press that can significantly reduce manual adjustment work.

[Summary of the invention]

This invention reads the corresponding element value from the storage section based on the designation of printing conditions such as printing ink, printing paper, and ambient temperature, and uses this element value to determine the ink key opening degree I from the recording medium.
The R report is calculated, and the opening degree of the ink key of the printing press is controlled based on the calculation result.

[Embodiments of the invention]

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

FIG. 1 is for explaining the entire auto preset inking system according to the present invention. This system includes a printing plate pattern area ratio meter 1, an ink amount adjusting device of the present invention, and 2. It is composed of a printing machine 3. The above-mentioned printing plate pattern area ratio meter 1 optically detects the pattern corresponding to each ink key of the printing plate to be printed, and records printing conditions such as plate size, printing area, number of ink screws, ink screw pitch, and printing color on a magnetic card. It is recorded and issued on a recording medium such as 4. The above ink ttt adjustment device 2id, the above printing plate pattern]
■1 Read the ink key information on the magnetic card 4 issued by the product meter 1 υ, and by calculating this ink key information and other printing conditions, transmit the accurate ink key information to the printing machine 3 via all cables 5 It is something to do. The printing machine 3 includes printing sections for magenta, yellow, cyan, and black, and each printing section is a well-known type in which a one-piano type split ink fountain device is adopted. The split inking device is composed of an ink source roller 6 and a piano key 7, as shown in FIG. The gap between the ink source roller 6 and the piano key 7 is adjusted by rotating an ink screw 8, thereby adjusting the supply 1 of the ink 9.

FIG. 3 is a perspective view schematically showing the ink amount adjusting device #2. 1 is a casing, and an operation panel 12 is formed in the upper part of the casing 1. This operation/mother panel 12 has a numeric keypad 13 and a light emitting diode (LED)
A numeric keypad 130 consisting of Ic, a numeric display section 14 for displaying input, and a group 1 of printing condition selection keys for selecting printing conditions.
5. CRT display section 16° for displaying the settings made by the printing condition selection key group 15 and numeric keypad 13; magnetic card insertion slot 17° into which the magnetic card 4 issued by the printing plate pattern area ratio meter 1 is inserted; It is constituted by a card ejection port 18. The printing condition selection key group 15 is the normal mode key 21. Function input mode key 22. Correction mode key 23. Temperature selection key 24 for selecting temperature conditions.
25.26. Ink selection key 2 to select the type of ink
7.2g, 29. Coated paper selection key 30 for selecting paper type. High quality paper selection key 31. It is composed of a new paper selection key 32.

Figure 4 shows the main parts of the electric circuit.
is for reading the magnetic information on the magnetic card 4 inserted into the magnetic card insertion slot 17, that is, the pattern area ratio for each color. The ink key opening converting section 42 converts the picture area ratio supplied from the reading section 41 into ink key opening information. The memory 43 stores all the printing conditions corresponding to the paper! The memory 44 stores printing conditions corresponding to the type of ink, that is, the recessive value, and the memory 45 stores printing conditions and elements corresponding to temperatures in the summer, spring (autumn), and winter seasons. It stores values. When the function input mode key 22 is turned on, the performance control unit 46 inputs the element value on the numeric keypad 13 for each selection key.
The value is stored in the memory area of the corresponding memory. The arithmetic control section 46 is connected to the selection key 24
32, the contents of the memory area of the corresponding memory are read out, the read element values are used to calculate all the ink key opening degree information from the ink key opening degree converter 42, and the calculation results are sent via the cable 5. The image is then output to the printing machine 3.

The memory 43 has a memory area 43 corresponding to coated paper, high-quality paper, and historical paper. ．． 4. ? 2.433 is provided, and the memory 44 has a memory area 441 corresponding to three types of ink, A, B, and C.

"21443 is provided, and the memory 45 has summer, spring,
Memory area corresponding to autumn and winter 451°” 2 *
453 are provided.

In addition, the arithmetic control section 46, function input mode key 22
When the correction mode key 23 is turned on, the element values corresponding to each selection key and the values entered using the selection key and the numeric keypad 13 are stored in the temporary storage section 47, and The ink key opening information from the ink key opening converting section 42 is calculated using the stored contents of the storage section 47, and when the normal mode key 21 is turned on, the calculation is performed using the memories 43 to 45.

Next, the operation in such a configuration will be explained. No trenches,
How to set printing conditions will be explained. For example, now, by inputting the function input mode key 22, the worker
Set to function input mode. Then, a code number (for example, rtocRJ) ffi is entered using the numeric keypad 13 to make settings corresponding to the paper.

Next, insert the coated paper selection key 30f and press the numeric keypad 13.
Input the element value (for example, r 1000 CRJ ) by . Performance from this Arc! - The L control unit 46 stores the element value in the memory area 43° in the memory 43. Similarly, press upper'i, □+paper selection key 3.

Insert the paper selection key 320 and select the desired element value (for example, r
1200CRJ, r1400CRJ) using the numeric keypad 13. As a result, the arithmetic control section 46
is the element value of those i1. The memory areas 43g and 433 in the memory 43 are respectively programmed.

At this time, input numbers entered using the numeric keypad 13 are displayed on the display section 14, and each input data is displayed on the CRT display section 16.

'T! In addition, printing conditions for ink and temperature can also be set using the ink selection keys 27, 2B, 29. Using the temperature selection keys 24, 25, 26 and the numeric keypad 13, operations are performed in the same manner as in setting the printing conditions for the paper described above, and each element value is stored in the corresponding memory area of the memo I 744, 45.

In this state, the operator inserts the magnetic card 4 issued by the printing plate pattern area ratio meter 1 into the magnetic card insertion slot 17. Then, the picture area ratio for each color stored on the magnetic card 4 is read by the reading section 41 and supplied to the ink key opening conversion section 42. As a result, the ink key opening degree converting section 42 converts the supplied picture area ratio for each color into ink key opening degree information and outputs it to the arithmetic control section 46 . In addition, after inserting the magnetic card 4, the operator presses the normal mode key 21 and presses a type selection key, such as a coated paper selection key 30, according to the printing conditions.
゜Ink selection key 28. Insert temperature selection key 24fc. Then, the arithmetic control unit 46 (d-memory 43 memory area 43.0 element value, memory 44 memory area 44 element value of snow, memory 45 memory area 451 element value is brought out, and these element values are used to press the ink key. Opening converter 4
The ink key opening degree information for each color from 2 is calculated, and the calculation result is output to the printing machine 3. As a result, printing machine 3
In each printing section, the gap between the piano key 7 of each ink fountain device and the ink roller 6 is fully adjusted according to the ink key opening degree information of the corresponding color, so that the ink 9 becomes the optimum supply meter for printing. Therefore, as shown in FIGS. 5 and 6, ink key opening information a, a'i obtained from the picture area ratio recorded on the magnetic card 4, 16 ink key opening information b t according to printing conditions. b' or c
, c'.

As mentioned above, the operator can adjust the inker and equipment required due to changes in printing conditions with simple keyboard operations, reducing work time and reducing the workload. can. Especially now that printing presses are becoming faster, the effect of reducing the burden on workers is also leading to reduced losses and energy savings.

In the above embodiment, a magnetic card was issued as a recording medium using a printing plate pattern area ratio meter, but the present invention is not limited to this, and the printing may be performed using a floppy disk, a magnetic disk, or online. In addition, the ink lid cylinder adjustment device and the printing machine are connected by a cable 11. Although the case has been described above, the present invention is not limited to this, and the output of the ink) t% adjustment device may be recorded on a recording medium such as a magnetic card or a floppy disk for use. Furthermore, although the case where there are three conditions/selections has been described, there may be other than three conditions/selections.

〔Effect of the invention〕

As detailed above, according to the present invention, at the start of printing,
It is possible to provide an ink amount adjustment device for a printing press that can obtain ink key opening degree information according to printing conditions such as printing ink 6 printing paper and environmental temperature, and can greatly reduce manual adjustment work.

Schematic diagram showing the inking system, diagram 2
The figure is a schematic configuration diagram to explain the split ink fountain device.
Figures 3 to 6 show one embodiment of the present invention; Figure 3 is a perspective view, Figure 4 is a schematic block diagram of an electric circuit, and Figures 5 and 6 are diagrams showing the pattern area ratio. It is a characteristic diagram of an ink key laparotomy.

4...Magnetic card, 13...Numeric keypad, 15...
Mark 1C1 (Group of condition selection keys, 21-23...Mote 9
Keys, 24-32...Group of selection keys, 41...Read oB
, 42... Ink key opening conversion section, 4.7 to 45...
・)l Mo17.

46... Arithmetic control unit.

Applicant's agent: Patent attorney Takehiko Suzue Figure 1 Figure 2 Figure 3 Figure 4

Claims (1)

[Claims] A reading unit that reads information on a recording medium in which a pattern area ratio corresponding to each ink key of the printing machine is recorded; and an ink key opening conversion unit that converts the pattern area ratio read by the reading unit into ink key opening information. , a storage section that stores a plurality of element values corresponding to printing conditions such as printing ink, printing paper, and environmental temperature, and a group of printing condition selection keys that selectively select the printing conditions stored in this storage section. , printing conditions corresponding to the selections made by this group of printing condition selection keys are successively outputted from the storage section, and based on these printing conditions, the ink key opening degree information from the ink key opening degree converting section is calculated, and the ink key of the printing machine is changed based on this calculation result. 1. An ink #adjustment device for a printing press, comprising a control means for controlling an opening degree.