KR100727042B1 - Printing unit - Google Patents

Abstract

A multi-functional printing unit is provided to expand range of print selection and to print various prints using one printing unit by selecting between a printing without offset and a printing with offset by a user. A multi-functional printing unit includes an ink tank(20) filled with ink(10). A gravure roll(200) is moved by a moving device and rotates while drowning one side in the ink tank and includes a desired pattern on surface. A first press roll(300) rotates contacting the moving gravure roll selectively and presses a printing object(2) to the gravure roll moving between the gravure roll. An offset roll(400) rotates contacting the moving gravure roll selectively and prints a plastic ink transferred from the gravure roll to the print object. A second press roll(500) rotates by being moved through the moving device and by being in contact with the offset rolls selectively and presses the print object to a side of the offset roll moving between the offset rolls.

Description

Multifunctional Printing Unit

1 is a view showing a general printing method, Figure 1a is a block diagram showing a conventional gravure printing method, Figure 1b is a block diagram showing a conventional gravure offset printing method.

2 is a configuration diagram of a printing unit according to the present invention, Figure 2 (a) is a view showing a gravure printing method by the printing unit of the present invention, Figure 2 (b) is a printing unit of the present invention The figure shows a gravure offset printing method.

3 is a block diagram showing a printing unit according to a first embodiment of the present invention.

4 is a block diagram showing a printing unit according to a second embodiment of the present invention.

5 is a configuration diagram showing a printing unit according to a third embodiment of the present invention.

6 is a view showing a roll moving means of the printing unit according to the present invention.

<Description of the symbols for the main parts of the drawings>

2: printed object 10: ink

20: ink bottle 100,100 ', 100 ": printing unit

110,110 ', 110 ": Housing 200,200', 200": Gravure roll

300,300 ', 300 ": 1st press roll 400,400', 400": offset roll

500,500 ', 500 ": 2nd press roll 600: Drive motor

610: screw shaft 700: rotary shaft

710: Bearing 800 ', 800 ": Guide Roll

The present invention relates to a multi-function printing unit, and more particularly, in the gravure (or flexo) printing method, a multi-function printing method without an offset and a printing method using an offset roll can be selectively implemented by a user's selection. It relates to a printing unit.

In general, the printing method for printing a circuit pattern on electronic devices used in the semiconductor industry, such as direct printing to directly print the ink on the roll, and transfer the ink to the rubber blanket cylinder (offset roll) Indirect printing and the like.

Gravure offset printing is one of the indirect printing methods that do not print directly on the printed object from the roll with ink, but transfer it to the printed matter after the transfer printing on the rubber blanket cylinder (offset roll) that acts as an intermediary.

This gravure offset printing was first applied to metals and glass that were not possible with direct printing. Especially, the gravure offset printing method provides a good ink transition for printing a fragile to-be-printed object such as glass due to the low pressure applied during printing. .

Such a conventional gravure printing method will be described with reference to FIG. 1.

1 is a block diagram showing a conventional gravure printing method, and FIG. 1B is a block diagram showing a conventional gravure offset printing method.

First, as shown in FIG. 1A, the conventional gravure printing unit is installed to rotate in a state where one side is locked in the ink container 20 and the ink container 20 in which the ink 10 is stored, and to be implemented on the surface thereof. Forming grooves (not shown) matching the shape of the circuit pattern is formed to contact the gravure roll 30 and the gravure roll 30 to directly print the molding ink injected into the forming grooves, that is, the printed object (2) It is installed to rotate in one direction with the gravure roll 30 in a state made of a pressure roll 40 for pressing the printed material 2 at a constant pressure.

In the conventional printing method using a gravure printing unit, the press roll 40 is pressed between the gravure roll 30 and the gravure roll 30 and the press roll 40 made of plastic or paper. When the to-be-printed body 2 passes, the molding ink transferred to the gravure roll 30 is printed on the to-be-printed body 2. Gravure printing made in this way has a feature that the height of the printing pattern can be printed thick.

In addition, since the conventional gravure offset printing unit is disclosed in FIG. 1B, the same parts as in the above-described embodiment of the gravure printing unit will be described with the same reference numerals.

The gravure offset printing unit is installed so as to rotate in a state in which one side is locked in the ink container 20, the ink container 20 is stored in the ink tank 20, the surface of the forming groove matching the shape of the circuit pattern to be implemented ( The gravure roll 30 and the gravure roll 30 are formed to be rotated in one direction with the gravure roll 30 in contact with the gravure roll 30 and the molding ink transferred from the gravure roll 30 is printed. It consists of an offset roll 50 to be printed on, and a pressure roll 40 installed to rotate in one direction with the offset roll 50 in contact with the offset roll 50 to pressurize the printed object 2 at a constant pressure. .

In particular, such a conventional gravure offset printing unit is disclosed in detail in Patent No. 10-0634327, which is patented by the applicant, the characteristic of the gravure offset printing unit is a rubber blanket cylinder or offset roll 50 Because of its use, it can print clearly on rough paper, its printing strength is stronger than that of direct printing, and it is easy to find different characters and images on the plate like prints.

In the printing method using the conventional gravure offset printing unit, the offset roll is rotated in a state in which the molding ink transferred to the forming groove of the gravure roll 30 is rotated while the one side is locked in the ink container 20. The transfer roll 50 is transferred to the printed material 2 between the offset roll 50 and the pressure roll 40 while the pressure roll 40 presses the offset roll 50 to press the offset roll 50. The molding ink transferred to) is printed on the printed object 2. Gravure offset printing as described above is characterized in that the height of the printing pattern is thin and uniform printing is possible, and the pressure applied during printing is small, so that the damage to the first pattern printing is small during the superimposition printing.

However, such a conventional printing unit is provided only by one type of unit, each of which is independent of the printing unit according to the printing method, it is possible to print only by the printing method according to the one type of printing unit purchased, that is, provided It was inconvenient because the printing method could not be changed.

Accordingly, the present invention has been made to solve the problems of the prior art as described above, the method of printing without offset in the gravure (or flexo) printing method and the printing method using the offset roll to the user's selection The purpose of the present invention is to provide a multifunctional printing unit that expands the range of printing choices for various printings by adopting and using them accordingly.

Multifunctional printing unit of the present invention for achieving the above object, the printing unit capable of printing in an offset or no offset state, the printing unit, the printing unit, the ink passage in which the ink is stored; A gravure roll which is moved by the moving means and is rotated in a state in which one side is locked in the ink bottle, and a circuit pattern to be realized on the surface thereof; A first press roll for selectively contacting the gravure roll to be moved and rotating the pressurized body to pass through the gravure roll to the contacted gravure roll side; An offset roll that selectively contacts the moved gravure roll, rotates and prints the forming ink transferred from the gravure roll on a printed object; And a second pressing roll which is moved by a moving means to selectively rotate in contact with the offset roll, and presses the printed object passing between the offset roll to the contacted offset roll side.

In addition, the multi-function printing unit according to another embodiment of the present invention, the printing unit capable of printing in an offset or no offset state, the printing unit comprises: an ink passage in which ink is stored; A gravure roll which is moved by the moving means and is rotated in a state in which one side is locked in the ink bottle, and a circuit pattern to be realized on the surface thereof; A first press roll which is moved by the moving means and selectively contacts and rotates the gravure roll and presses the printed object passing between the gravure roll toward the contacted gravure roll side; An offset roll that selectively contacts the moved gravure roll, rotates and prints the forming ink transferred from the gravure roll on a printed object; And a second pressing roll which is moved by a moving means to selectively rotate in contact with the offset roll, and presses the printed object passing between the offset roll to the contacted offset roll side.

Preferably, the moving means and the bearing is provided at both ends of the rotating shaft of the roll; A screw shaft having one side screwed to the bearing; It is configured to include; a drive motor coupled to the screw shaft to rotate the screw shaft.

And, in another embodiment of the moving means, it is composed of any one of a pneumatic cylinder, a hydraulic cylinder or a piezoelectric actuator connected to the rotary shaft of the roll to move the roll, respectively.

The printed object is made of any one of paper, plastic plate, cloth, glass, and plastic film, and the printing unit is rotatably provided with a guide roll for guiding the printed object.

The printed object supplied to the printing unit is supplied by any one of a roll to roll supply device or a batch type supply device.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, prior to explaining the present invention, the same reference numerals are given to the same parts as in the prior art, and redundant descriptions are omitted.

2 to 6 are diagrams showing the multifunction printing unit according to the present invention, in which a dotted line shows a gravure printing state, and a solid line shows a gravure offset printing state.

In the printing unit 100 according to the first embodiment of the present invention, as shown in FIGS. 2 and 3, gravure printing and gravure offset printing are selectively used in one printing unit 100.

The printing unit 100 has a housing 110 forming an appearance, and the housing 110 is provided with an ink container 20 in which the functional ink 10 is stored.

In addition, a plurality of rolls are rotatably installed on the housing 110 via the rotation shaft 700, and the rolls are disposed on the housing 110 with the bearings 710 interposed at both ends of the rotation shaft 700. Is installed.

The plurality of rolls are each composed of a gravure roll 200, the first and second pressure rolls 300, 500, the offset roll 400, the gravure roll 200 and the second pressure roll 500 is a housing It is movable to the 110, the offset roll 400 and the first pressing roll 300 is fixedly installed.

The gravure roll 200 is rotated while one side is locked in the ink container 20, the circuit pattern to be implemented is formed on the surface, the ink formed according to the pattern of the surface directly on the printed material (2) Print or transition to offset roll 400.

On the other hand, the printed material 2 is made of any one of paper, plastic plate, cloth, glass, plastic film.

In addition, the gravure roll 200 is installed to be movable in the housing 110 by a moving means, the moving means is a bearing installed on both ends of the rotary shaft 700 of the gravure roll 200, as shown in FIG. A screw shaft 610, one side of which is screwed to 710, and a driving motor 600 coupled to the screw shaft 610 to rotate the screw shaft 610.

In addition, although not shown in the drawings as another embodiment of the moving means, any one of a pneumatic cylinder or a hydraulic cylinder or a piezoelectric actuator connected to the rotary shaft 700 of the gravure roll 200 to move the gravure roll 200, respectively. It is also possible to configure the means of transportation to one.

Although not shown, the bearing 710 of the gravure roll 200 is preferably guided to a frame constituting the housing 110 during movement.

On the other hand, the upper one side of the gravure roll 200 configured as described above is configured to the first pressure roll 300 to be selectively rotated in contact with the gravure roll 200.

The first pressing roll 300 is installed to be fixed to the housing 110 because the bearings 710 installed at both ends of the rotating shaft 700 are installed in a non-movable manner, the first pressing roll ( The printed object 2 passing between 300 and the gravure roll 200 is pressed toward the contacted gravure roll 200.

In addition, the upper lateral side of the gravure roll 200 is selectively contacted with the gravure roll 200 and rotated, and when contacted, the forming ink of the gravure roll 200 is transferred and the offset is printed on the printed object 2. The roll 400 is comprised.

The offset roll 400 is also fixedly installed in the housing 110 because the bearing 710 installed at both ends of the rotating shaft 700 is installed in the housing 110 in the same manner as the first pressing roll 300 described above. .

On the upper side of the offset roll 400, a second pressing roll 500 is selectively rotated in contact with the offset roll 400.

Like the gravure roll 200 described above, the second pressing roll 500 is installed to be movable in the housing 110 by moving means, and passes between the second pressing roll 500 and the offset roll 400. The printed object 2 is pressed toward the contacted offset roll 400.

The bearing 710 of the second pressing roll 500 is also preferably installed to be moved while being guided to the frame constituting the housing 110, like the gravure roll 200.

In addition, the printing unit 100 has a plurality of guide rolls for guiding the printed body 2 between the gravure roll 200 and the first press roll 300 and the offset roll 400 and the second press roll 500. Can be installed.

Therefore, in the multifunction printing unit 100 according to the present invention configured as described above, the printed object 2 is between the gravure roll 200 and the first pressure roll 300, and the offset roll 400 and the second pressure roll ( Gravure printing and gravure offset printing are selectively performed while sequentially passing through 500).

That is, during gravure printing, a controller (not shown) controls each driving motor 600 according to a user's selection, and horizontally moves the gravure roll 200 toward the first pressing roll 300 to offset the roll 400 and the offset roll 400. In addition to the separation, the first pressing roll 300 is brought into contact with each other, and the second pressing roll 500 is moved upward to separate the offset roll 400.

Then, as shown in (a) of FIG. 2, in the state where the offset roll 400 and the second press roll 500 are separated, only the gravure roll 200 and the first press roll 300 are rotated in one direction in contact with each other. As the printed material 2 passes between the gravure roll 200 and the first press roll 300, the molding ink transferred to the gravure roll 200 in a circuit pattern is directly printed on the printed object 2.

On the other hand, when the gravure offset printing in the above state, the controller reversely controls each drive motor 600, to move the gravure roll 200 horizontally in the opposite direction described above to separate from the first pressure roll (300). In addition, it is in contact with the offset roll 400, the second pressing roll 500 is moved downward to contact with the offset roll 400.

Then, as shown in (b) of FIG. 2, the first press roll 300 is separated from the gravure roll 200, and only the gravure roll 200 and the second press roll 500 are disposed on both sides of the offset roll 400, respectively. The gravure roll 200 is rotated in the reverse direction in the above-described direction as the contacted state, so that the forming ink of the gravure roll 200 is transferred to the offset roll 400, and the offset roll 400 is formed of the offset roll 400 and the first roll. The molding ink transferred to the to-be-printed body 2 passing between the pressing rolls 500 is printed.

On the other hand, by replacing the gravure roll 200 and the offset roll 400 of the printing unit 100 configured as described above with an anoxox roll and a flexo plate through roll, respectively, flexographic printing is possible.

And, Figure 4 is a view showing a printing unit according to a second embodiment of the present invention, prior to explaining this embodiment, the same reference numerals are given to the same parts as the above-described embodiment, and overlapping Description is omitted.

As shown in FIG. 4, the printing unit 100 ′ of the present embodiment includes a first press roll 300 ′, a gravure roll 200 ′, an offset roll 400 ′, and a second press in the housing 110 ′. The rolls 500 'are sequentially installed in a row.

At this time, as in the above-described embodiment, the gravure roll 200 'and the second pressure roll 500' are installed in the housing 110 'by the above-described moving means so as to be horizontally movable, and the first pressure roll 300'. ) And the offset roll 400 'are fixedly installed in the housing 110', and the printed object 2 is the first pressing roll 300 'by the plurality of guide rolls 800' installed in the housing 110 '. ) And the gravure roll 200 'and installed between the offset roll 400' and the second pressing roll 500 '.

On the other hand, the to-be-printed body 2 supplied to the printing unit 100 is a roll-to-roll supply apparatus in which the printed body 2 is wound in a roll form and is continuously supplied to and printed on the printing unit 100. Alternatively, the printed object 2 is preferably configured to be supplied by any one of a batch type feeder that is supplied and printed to the printing unit 100 as a sheet.

Therefore, the multifunction printing unit 100 ′ according to the present embodiment configured as described above has a gravure roll 200 ′ by controlling a driving motor 600 by a controller (not shown) as in the above-described gravure printing. ) Is horizontally moved toward the first press roll 300 'to separate the offset roll 400' and the first press roll 300 'is brought into contact with the second press roll 500'. Move horizontally to the right side to separate the offset roll 400 '.

Then, in the state where the offset roll 400 'and the second pressure roll 500' are separated, only the gravure roll 200 'and the first pressure roll 300' are in contact with each other and rotated in one direction, and the guide roll ( The printed ink 2 transferred between the gravure roll 200 'and the first pressure roll 300' by the printed pattern 2 and transferred to the graviroll 200 'according to the circuit pattern by 800') is printed 2 Is printed directly onto.

In the gravure offset printing in this state, the controller reversely controls each driving motor 600 to move the gravure roll 200 'horizontally in the opposite direction to separate the first press roll 300'. In addition, it is brought into contact with the offset roll 400 ', and the second pressure roll 500' is horizontally moved to the left side to make contact with the offset roll 400 '.

Therefore, the first pressing roll 300 'is separated from the gravure roll 200', and only the gravure roll 200 'and the second pressing roll 500' are in contact with both sides of the offset roll 400 ', respectively. As a result, the gravure roll 200 'is rotated in the opposite direction in the above-described direction so that the forming ink of the gravure roll 200' is transferred to the offset roll 400 ', and the offset roll 400' is the guide roll 800 '. The printing ink transferred to the to-be-printed body 2 passing between the offset roll 400 'and the second pressing roll 500' is printed.

In addition, Figure 5 is a view showing a printing unit according to a third embodiment of the present invention, prior to explaining the present embodiment, the same reference numerals are assigned to the same parts as the above-described embodiment, overlapping Description is omitted.

As shown in FIG. 5, in the printing unit 100 ″ of the present embodiment, a gravure roll 200 ″, an offset roll 400 ″, and a second pressing roll 500 ″ are sequentially arranged in a housing 110 ″. The first press roll 300 "is installed to be positioned above the gravure roll 200".

The first pressing roll 300 ″, the gravure roll 200 ″, and the second pressing roll 500 ″ thus installed are installed in the housing 110 ″ by the above-described moving means so as to be horizontally movable. The roll 400 "is fixedly installed in the housing 110", and the printed object 2 is gravureally loaded with the first press roll 300 "by a plurality of guide rolls 800" installed in the housing 110 ". It is installed so as to pass sequentially between the roll 200 "and between the offset roll 400" and the second press roll 500 ".

On the other hand, the multi-function printing unit 100 ″ according to the present embodiment configured as described above, in the same manner as in the above-described embodiment, when printing gravure, a controller (not shown) controls the respective driving motors 600 so as to control the first pressing roll 300. And move the gravure roll 200 "horizontally to the left side with reference to FIG. 5 to separate from the offset roll 400" and to contact the first press roll 300 ", The pressing roll 500 "is horizontally moved to the right side to separate it from the offset roll 400".

Then, the gravure roll 200 "and the first pressing roll 300" are rotated in one direction in contact with each other, and the gravure roll 200 "and the first pressing roll 300" are guided by the guide roll 800 ". As the to-be-printed body 2 passes through, the forming ink transferred to the gravure roll 200 ″ in a circuit pattern is directly printed on the to-be-printed body 2.

In the gravure offset printing in such a state, the controller reversely controls each driving motor 600 to move the first pressing roll 300 ″ upwards and to move the gravure roll 200 ″ to FIG. 5. It moves horizontally to the right side by reference and makes contact with the offset roll 400 "while separating from the 1st press roll 300", and moves the 2nd press roll 500 "to the left side and makes contact with the offset roll 400". Let's do it.

Therefore, the first pressing roll 300 "is separated from the gravure roll 200", and only the gravure roll 200 "and the second pressing roll 500" are in contact with both sides of the offset roll 400 ", respectively. As a result, the gravure roll 200 "is rotated in the reverse direction in the above-described direction so that the forming ink of the gravure roll 200" is transferred to the offset roll 400 ", and the offset roll 400" is the guide roll 800 ". The printing ink transferred to the to-be-printed body 2 passing between the offset roll 400 "and the second press roll 500" is printed.

As described above, according to the multifunction printing unit of the present invention, in the gravure (or flexo) printing method, the user can select and print the printing method without offset and the printing method using the offset roll, so the printing selection To widen the width, a single printing unit can be used for various printing has the advantage.

Claims (7)

In a printing unit which can be printed with or without offset, The printing unit includes an ink passage in which ink is stored; A gravure roll which is moved by the moving means and is rotated in a state in which one side is locked in the ink bottle, and a circuit pattern to be realized on the surface thereof; A first press roll for selectively contacting the gravure roll to be moved and rotating the press to press the printed object passing between the gravure roll to the contacted gravure roll side; An offset roll that selectively contacts the moved gravure roll, rotates and prints the forming ink transferred from the gravure roll on a printed object; And a second pressing roll which is moved by a moving means and is selectively contacted with the offset roll to rotate and presses the printed object passing between the offset rolls to the contacted offset roll side. In a printing unit which can be printed with or without offset, The printing unit includes an ink passage in which ink is stored; A gravure roll which is moved by the moving means and is rotated in a state in which one side is locked in the ink container, and a circuit pattern to be implemented is formed on the surface thereof; A first press roll which is moved by the moving means and selectively contacts and rotates the gravure roll and presses the printed object passing between the gravure roll toward the contacted gravure roll side; An offset roll that selectively contacts the moved gravure roll, rotates and prints the forming ink transferred from the gravure roll on a printed object; And a second pressing roll which is moved by a moving means and is selectively contacted with the offset roll to rotate and presses the printed object passing between the offset rolls to the contacted offset roll side. The method according to claim 1 or 2, The moving means includes a bearing installed at both ends of the rotating shaft of the roll; A screw shaft having one side screwed to the bearing; And a drive motor coupled to the screw shaft to rotate the screw shaft. The method according to claim 1 or 2, The moving unit is connected to the rotary shaft of the roll, the multifunction printing unit, characterized in that composed of any one of a pneumatic cylinder, a hydraulic cylinder or a piezoelectric actuator for moving the roll. The method according to claim 1 or 2, The printed object is a multi-function printing unit, characterized in that made of any one of paper, plastic plate, cloth, glass, plastic film. The method according to claim 1 or 2, The printing unit is a multifunctional printing unit, characterized in that the guide roll for guiding the printed object to be supplied is rotatably installed. The method according to claim 1 or 2, The printed object to be supplied to the printing unit is a multi-function printing unit, characterized in that supplied by any one of a roll-to-roll (roll to roll) supply device or a batch type supply device.

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