JPH07227957A - Printing mechanism, printing ink filling device and printer - Google Patents

Abstract

PURPOSE:To necessarily and certainly stock one preparatory ink container without requiring the strict stock control of an ink container and the frequent delivery and recovery of the ink container and to contribute to the conservation and recycle of resources and the maintenance of global environment. CONSTITUTION:A printer 1 having an ink container mounting part 11 on which an ink container 13 is mounted in a replaceable manner and receiving the supply of printing ink from the ink container 13 mounted on the ink container mounting part 11 and an ink container mounting part 39 on which a large capacity ink tank 33 storing printing ink and the ink container 13 are mounted in a replaceable manner are provided. Further, a printing ink filling device 41 filling the ink container 13 mounted on the ink container mounting part 39 with the printing ink of the large capacity ink tank 33 and linking drive devices 53,55 subjecting the printing ink filling device 41 to filling operation corresponding to the consumption of printing ink in the printer are provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing system, a printing ink filling system and a printing apparatus.

[0002]

2. Description of the Related Art A printing apparatus such as a stencil printing apparatus and an offset printing apparatus has an ink container mounting portion in which an ink container is replaceably mounted, and printing ink is supplied from an ink container mounted in the ink container mounting portion. Supplied.

There are various types of ink containers used in a printing apparatus, such as a tube type, a cylinder type and a box type, and those made of various materials such as plastics and oil-proof laminated paper. Are known.

[0004]

Since the ink container used in the printing apparatus as described above is mounted in the ink container mounting portion of the printing apparatus in a replaceable manner, it usually has a small capacity of about 1 liter. When the ink container installed in the ink container installation part of the printing device becomes empty, it is possible to remove the ink container from the ink container installation part and install a new stock ink container in the ink container installation part. Done in.

In this case, in order to prevent the printing operation from being interrupted due to the absence of a new ink container, the user requires that some ink containers are stocked in advance, together with a small capacity ink container. To be done.
Especially for users who consume a lot of ink, if the frequency of replacement of ink containers is high, whether stock management of ink containers is performed by the user or the retailer is troublesome, and the retailer compares the delivery and collection of the ink containers. You are forced to do so often.

Further, conventionally, the ink container is generally disposable by the user or collected and discarded by the manufacturer, and in many cases, it is not reused. This is resource saving,
Not desirable from the viewpoint of resource recycling and global environmental conservation.

The present invention has been made by paying attention to the above-mentioned problems. It is necessary to strictly stock one spare ink container, to strictly control the stock of the ink container, and to frequently deliver the ink container. The purpose of the present invention is to provide a printing system, a printing ink filling device, and a printing device that contribute to resource conservation, resource recycling, and global environmental conservation by reusing ink containers without failing to collect them reliably. .

[0008]

In order to achieve the above-mentioned object, a printing system according to the present invention has a first ink container mounting portion in which an ink container is replaceably mounted,
A printing device supplied with printing ink from the ink container mounted in the first ink container mounting portion, a large capacity ink tank for storing the printing ink, and a second ink container in which the ink container is replaceably mounted A printing ink filling device having a mounting portion for filling the printing ink of the large-capacity ink tank into an ink container mounted in the second ink container mounting portion, and the printing ink filling device according to consumption of the printing ink in the printing device. It is characterized in that it has a connecting drive device for performing a filling operation of the printing ink filling device.

In order to achieve the above-mentioned object, the printing ink filling system according to the present invention has a large-capacity ink tank for storing printing ink and an ink container mounting portion in which the ink container is replaceably mounted. A linking device for filling a printing ink in the large-capacity ink tank into an ink container mounted in the ink container mounting part and a filling operation for the printing ink filling device according to the consumption of the printing ink in the printing device And a drive unit.

In order to achieve the above-mentioned object, the printing apparatus according to the present invention is a printing apparatus used in the above-mentioned printing system according to the present invention, wherein a signal indicating the consumption of printing ink is sent to the continuous driving apparatus. It is characterized by having a signal output means for outputting to.

[0011]

According to the above-described structure, the printing ink filling device performs the filling operation according to the consumption of the printing ink in the printing device by the connecting drive device, and the reserve ink installed in the ink container mounting portion of the printing ink filling device. The container is filled with printing ink from a large capacity ink tank.

As a result, when the ink container mounted in the ink container mounting part of the printing device becomes empty, a required amount of the spare ink container mounted in the ink container mounting part of the printing ink filling device is required. It is filled with printing ink, and this spare ink container is installed in the ink container mounting part of the printing device, and the ink container that was previously mounted in the printing device container mounting part is now used as a spare ink container. It may be mounted on the ink container mounting portion of the filling device and the printing ink may be refilled in this ink container.

In this way, two ink containers are alternately used semi-permanently in a single printing system in a semi-permanent manner.

[0014]

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

FIG. 1 shows an embodiment of a printing system according to the present invention. In FIG. 1, reference numeral 1 indicates a stencil printing machine, and the stencil printing machine 1 is mounted on a frame 3.

The stencil printing machine 1 has a cylindrical plate cylinder 7 containing a squeegee blade 5 and a press roller 9.
The stencil sheet is wrapped around and mounted on the outer peripheral surface of the plate cylinder 7.
In the figure, the printing ink is squeezed from the inner peripheral surface of the plate cylinder to the plate cylinder 7 by the squeegee blade 5 in accordance with the rotation in the counterclockwise direction, and the printing paper is supplied between the plate cylinder 7 and the press roller 9. Perform stencil printing.

An ink container mounting portion 11 is provided in the plate cylinder 7, and the ink container mounting portion 11 includes an ink container 13 therein.
Can be exchanged, in other words, detachably attached. The ink container 13 is of a cylinder-Pinton movable bottom plate type having an ink outlet 15 at one end and an internal capacity of about 1 liter. It is connected to the suction port 19 of the ink take-out pump 17 in the plate cylinder 7.

Discharge port 21 of ink take-out pump 17
Is an ink delivery pipe 25 with an ink hose 23.
Connected to.

As a result, the printing ink stored in the ink container 13 mounted in the ink container mounting portion 11 is sucked out by the ink discharge pump 17, passes through the ink hose 23, and is squeegee blade 25 through the ink delivery pipe 25. 5 and is consumed for forming a stencil image.

The ink take-out pump 17 is driven by a motor 27, and the motor 27 is energized by a control unit 29 provided in the plate cylinder 7. Control unit 29
Receives an ink amount signal from the ink amount sensor 31 indicating the ink amount in the arrangement portion of the squeegee blade 5, and controls energization of the motor 27 so that the ink amount is maintained at a substantially constant value.

The construction of each part of the stencil printing machine 1 and the ink container 13 may be the same as those of the conventional ones.
See JP 193687, JP 62-127277, JP-B 4-18867, JP 3-240584, and JP 5-278200.

A large-capacity ink tank 33 is provided in the frame 3.
And a printing ink filling device 35 are provided.

The large capacity ink tank 33 is the ink container 1
It is a large-capacity tank of several tens of times the internal capacity of 3, for example, 20 to 60 liters, and is filled with printing ink from the filling port 37 in a pouring manner.

The printing ink filling device 35 is provided with an ink container mounting portion 39, and the ink container 13 is replaceable, in other words, detachably mounted to the ink container mounting portion 39. The ink container 13 is attached to the ink container mounting portion 39 so that the ink outlet 15 is connected to the discharge port 43 of the ink filling pump 41, and the ink filling pump 41 allows the printing ink to enter the inside of the container. Is filled.

The suction port 45 of the ink filling pump 41 is connected by an ink hose 47 to the ink outlet 49 of the large capacity ink tank 33.

The ink filling pump 41 is driven by a motor 51, and the energization of the motor 51 is controlled by a connecting control unit 53.

The connection control unit 53 is communicatively connected to the control unit 29 of the stencil printing machine 1 by a transmission line 55, and the motor 51 is synchronized with energization of the motor 27.
Control energization to.

Here, if the ink take-out efficiency of the ink take-out pump 17 and the ink take-up efficiency of the ink filling pump 41 are equal, the energizing time for the motor 27 and the energizing time for the motor 51 are included even if there is some deviation in the energization start timing. Should be set equal to each other.

According to the configuration as described above, the stencil printing apparatus 1
When the printing ink is consumed in the arrangement portion of the squeegee blade 5 by the execution of the stencil printing by the control unit 29, the motor 27 is energized by the control unit 29 and the motor 27 drives the ink extraction pump 17. As a result, the printing ink in the ink container 13 mounted in the ink container mounting portion 11 of the stencil printing machine 1 is sucked out by the ink discharge pump 17, passes through the ink hose 23, and is squeegee blade 25 through the ink delivery pipe 25. No. 5 is arranged.

By supplying this ink, the remaining amount of printing ink in the ink container 13 is reduced.

When the control unit 29 energizes the motor 27, this is transmitted to the connection control unit 53 via the transmission line 55, and the connection control unit 53 causes the motor 2 to operate.
Energization of the motor 51 is started in synchronization with the energization of 7. As a result, the ink filling pump 41 is driven, and the printing ink stored in the large-capacity ink tank 33 is filled in the other ink container 13 mounted in the ink container mounting portion 39.

The ink filling pump 41 is driven by energizing the motor 51 in synchronization with the driving period of the ink take-out pump 17 by the motor 27 in the stencil printing machine 1, and the ink container mounting portion 1 by the ink take-out pump 17 is driven.
The printing ink is filled in the ink container 13 of the ink container mounting portion 39 by the same amount as the amount of the printing ink taken out from the first ink container 13.

As a result, the total value of the ink remaining amount of the ink container 13 of the ink container mounting portion 11 and the printing ink amount of the ink container 13 of the ink container mounting portion 39 is always the same, and the ink container mounting portion 11 is full first. The ink container 13 of FIG.
By installing, the total value is always 1
The capacity of the individual ink container 13 is full.

When the ink container 13 of the ink container mounting portion 11 is emptied, the ink container 13 of the ink container mounting portion 39 is filled with printing ink. When the container 13 is empty, the ink container 13 is removed from the ink container mounting portion 11, the ink container 13 of the ink container mounting portion 39 is removed from the ink container mounting portion 39, and the ink container mounting portion 1
The empty ink container 13 attached to No. 1 and removed from the ink container attaching unit 11 is attached to the ink container attaching unit 39 for the next ink refilling.

After that, by repeating this, the two ink containers 13 are alternately and semi-permanently used in a self-recycling manner in one printing system.
The store is released from the work of collecting and discarding the ink container 13.

The supply of printing ink to the large-capacity ink tank 33 may be carried out periodically by the manufacturer or the dealer. The frequency of this work is such that the ink capacity of the large-capacity ink tank 33 is several tens of the contents of the ink container 13. Since it is double, the delivery frequency of the ink container 13 will be several tenths. Further, the large capacity ink tank 33 may be replaced and used.

Further, the data of the ink remaining amount of the large capacity ink tank 33 is automatically transmitted to the management center by the public telephone line periodically, and the ink remaining amount of the large capacity ink tank 33 of each user is centrally managed by the management center. May be.

In the above embodiment, the stencil printing machine 1
The control unit 29 and the connection control unit 53 of the printing ink filling device 35 are configured to transmit data by a transmission line 55. The data transmission between the control units is performed by a cordless method such as spread spectrum communication. May be done, and large capacity ink tank 3
The printing ink filling unit composed of 3, the printing ink filling device 35, and the connection control unit 53 may be installed in a place different from the gantry 3 of the stencil printing apparatus 1.

In the above embodiment, the printing ink is filled in the ink container 13 of the ink container mounting portion 39 of the printing ink filling device 35 by printing from the ink container 13 of the ink container mounting portion 11 of the stencil printing machine 1. The ink filling is performed immediately after the ink is taken out.
The printing ink may be collectively collected every time a predetermined amount of ink is reached, and the ink may be filled in full at once before or at the time when the ink container 13 of the ink container mounting portion 11 is empty. In any case, the ink filling operation of the printing ink filling device 35 is performed by the stencil printing device 1
It does not deviate from what is done according to the consumption of printing ink in.

[0040]

As can be understood from the above description, according to the printing system of the present invention, a printing ink filling device is provided according to the removal of the printing ink from the ink container mounted in the ink container mounting portion of the printing device. Since the ink container installed in the ink container installation part of the printer is filled with printing ink, when the ink container installed in the ink container installation part of the printing device becomes empty, The ink container installed in the ink container mounting part is filled with the required amount of printing ink, and this spare ink container is installed in the ink container mounting part of the printing device. By installing the ink container that was installed in the installation part as a spare ink container in the ink container installation part of the printing ink filling device,
In one printing system, two ink containers are used alternately and semi-permanently in a self-recycling manner, and unless a large-capacity ink tank is emptied, one spare ink container is always stocked. The stock management, frequent delivery and collection of ink containers will no longer be required, and the reuse of ink containers will contribute to resource saving, resource recycling and global environmental conservation.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of a printing system according to the present invention.

[Explanation of symbols]

 1 Stencil printing machine 3 Frame 5 Squeegee blade 7 Plate cylinder 9 Press roller 11 Ink container mounting part 17 Ink extraction pump 25 Ink delivery pipe 27 Motor 29 Control unit 31 Ink amount sensor 33 Large capacity ink tank 35 Printing ink filling device 39 Ink container Installation part 41 Ink filling pump 51 Motor 53 Connection control unit 55 Transmission line

Claims (3)

[Claims] 1. A printing apparatus having a first ink container mounting portion in which an ink container is replaceably mounted, and printing ink is supplied from an ink container mounted in the first ink container mounting portion, It has a large-capacity ink tank that stores printing ink and a second ink container mounting part that can replace the ink container. The printing ink of the large-capacity ink tank is mounted in the second ink container mounting part. A printing system, comprising: a printing ink filling device that fills the ink container to be filled; and a connecting drive device that fills the printing ink filling device according to the consumption of the printing ink in the printing device. . 2. A large-capacity ink tank for storing printing ink, and an ink container mounting portion in which the ink container is replaceably mounted, and the printing ink of the large-capacity ink tank is mounted in the ink container mounting portion. A printing ink filling device for filling a printing ink container, and a driving device for connecting the printing ink filling device according to the consumption of the printing ink in the printing device. . 3. The printing apparatus used in the printing system according to claim 1, further comprising signal output means for outputting a signal indicating consumption of printing ink to the connection driving apparatus. And printing device.