KR101147959B1 - Offset rotary press for providing various sized printings with ease - Google Patents

Abstract

The present invention relates to an offset rotoprinter, and is formed by combining a plurality of frames to have a predetermined size, area, and height, and a sliding operation in a longitudinal direction with a first guide rail so as to enable front and rear sliding operations. A frame body to which the second guide rail is mounted; Main means mounted to a first guide rail of the frame body and provided with a blanket roller to which the ink film transferred from the PS roller is transferred; Inking means mounted on an upper portion of the frame body and having a plurality of ink rollers disposed therein, the ink rollers applying an ink film to a surface of the PS roller in contact with a blanket roller to which the ink film is transferred; An impress means mounted on a second guide rail of the frame body and provided with an impression roller for allowing the ink film transferred to the blanket roller surface to be transferred onto printing paper; And a control unit mounted on the front surface of the main means and controlling and adjusting the main means, the inking means, and the pressing means.
According to the present invention, the offset rotation printing press can easily replace the PS roller and the blanket roller, which determine the size of the printed matter, by a cartridge method, and can produce various sizes of printed matter in one printing line, thereby improving production capacity. It can be effected.

Description

Offset rotary press for providing various sized printings with ease

The present invention relates to an offset rotoprinter, and more particularly, the PS roller and the blanket roller, which are factors determining the size of the printed matter, can be easily replaced by a cartridge method, as well as the replacement of the PS roller and the blanket roller. The present invention relates to an offset rotary printing press that can easily reset the position of the ink roller and the impress roller according to the size.

An offset printing machine is called a machine which transfers the image of a printing plate to a rubber surface once, and prints it on paper by making it an intermediary. Among the offset presses, the offset rotary press, which continuously prints on the rolled paper, is capable of high speed printing of about 300 to 600 revolutions per minute.

The offset rotary press has a paper feed unit consisting of a reel stand, an automatic paper connector, an infeed device, a PS roller, a blanket blanket made of rubber, and an ink roller and a blanket roller forming an ink film on the PS roller. A printing unit comprising an press roller or the like for pressurizing the image to be transferred to the printing paper, a drying unit for drying the ink transferred to the printing paper, and rewinding or cutting the printed paper to a predetermined size and folding as necessary. It consists of a discharge unit. In this case, several printing units may be arranged in series according to the printing frequency.

The feature of the offset printing press is that it can be printed in large quantities in a short time, and is widely used for mass printing of newspapers, textbooks, periodicals, commercial printed matters, and business forms.

Offset rotary presses have great advantages in being able to produce large quantities of prints quickly, but there are some limitations. One of them is that the size of prints is quite limited. In an offset rotary press, the size of the printed matter is dependent on the size of the PS roller which is the printing plate and the blanket roller on which the image on the PS roller is transferred as it is.

That is, since the circumferential length proportional to the diameter of the PS roller and the blanket roller determines the width or length of the printed matter, the PS roller and the blanket roller are inevitably replaced when the size of the printed material is outside the limits of the PS roller and the blanket roller.

However, the offset rotary press has many rollers such as ink rollers, impression rollers, as well as various feeding rollers and cleaning rollers, in addition to the PS rollers and the blanket rollers, so that the PS rollers and the blanket rollers are in a limited space inside the offset rotary press. It is difficult to replace the work itself, as well as repositioning the various rollers requires considerable time and effort. This difficulty is further magnified in the case of offset rotary presses, in which several printing units are arranged in a row for multicolor printing.

Therefore, in the past, it is difficult to readjust offset offset printing presses, so that the size of printed matter is divided into several stages, and many sets of offset printing presses are operated in accordance with this classification. However, preparing and operating multiple sets of offset rotoprinters requires a lot of cost, space, manpower, and inefficient idle time.

Korean Patent Publication No. 10-2009-55373 Korean Patent Publication No. 10-2009-36727

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to enable the cartridge roller to easily replace the PS roller and the blanket roller, which are elements for determining the size of the printed matter, in an offset rotoprinter.

In addition, it is an object of the present invention to easily reset the positions of the ink roller and the impression roller in accordance with the size of the replaced PS roller and the blanket roller.

In order to achieve the above object, it is formed by combining a plurality of frames to have a predetermined size, area and height, the upper side is capable of sliding operation in the longitudinal direction with the first guide rail to enable front and rear sliding operation. A frame body to which the second guide rail is mounted; Main means mounted to a first guide rail of the frame body and provided with a blanket roller to which the ink film transferred from the PS roller is transferred; Inking means mounted on an upper portion of the frame body and having a plurality of ink rollers disposed therein, the ink rollers applying an ink film to a surface of the PS roller in contact with a blanket roller to which the ink film is transferred; An impress means mounted on a second guide rail of the frame body and provided with an impression roller for allowing the ink film transferred to the blanket roller surface to be transferred onto printing paper; And a control unit mounted on the front surface of the main means and controlling and adjusting the main means, the inking means, and the pressing means.

According to the present invention, the offset rotation printing press can easily replace the PS roller and the blanket roller, which determine the size of the printed matter, by a cartridge method, and can produce various sizes of printed matter in one printing line, thereby improving production capacity. It can be effected.

In addition, since the ink roller, the impeller roller, and various rollers associated therewith are configured to be movable, there is an effect that the positions of the other rollers can be easily reset in accordance with the size of the replaced PS roller and the blanket roller.

1 is a schematic perspective view showing an offset rotoprinter that is easy to provide printed matter of various sizes in accordance with the present invention;
Figure 2 is a plan view showing an offset rotoprinter that is easy to provide printed matter of various sizes in accordance with the present invention.
Figure 3 is a front configuration diagram showing an offset rotoprinter easy to provide printed matter of various sizes according to the present invention.
Figure 4 is a partially enlarged view showing a coupling state of the PS roller and the drive unit constituting the offset rotoprinter easy to provide a printed matter of various sizes according to the present invention.
5 (a) and 5 (b) illustrate a main fixing member constituting an offset rotoprinter that is easy to provide printed matter of various sizes according to the present invention.
Figure 6 is a block diagram showing a gap adjusting means for configuring an offset rotoprinter easy to provide a printed matter of various sizes according to the present invention.
Figure 7 (a) and 7 (b) is a front view showing a coupling state of the PS roller and the blanket roller of the offset rotoprinter easy to provide a printed matter of various sizes according to the present invention.

Hereinafter, the configuration of the present invention with reference to the accompanying drawings, Figure 1 is a schematic perspective view showing an offset rotoprinter easy to provide a print of various sizes according to the present invention, Figure 2 is a variety of sizes according to the present invention 4 is a plan view illustrating an offset rotoprinter that is easy to provide a printed matter of the present invention. FIG. 3 is a front view of an offset rotoprinter that is easy to provide various sizes of printed matter according to the present invention. FIG. Partial enlarged view showing a combined state of the PS roller and the drive unit constituting the offset rotoprinter, which is easy to provide a variety of prints of various sizes, Figures 5 (a) and 5 (b) provides a print of various sizes according to the present invention It is a view showing a main fixing member constituting an offset rotoprinter that is easy to do, Figure 6 is easy to provide a printed matter of various sizes according to the present invention Figure 7 (a) and 7 (b) is a configuration diagram showing the gap adjusting means constituting the offset rotary printing machine of the PS roller and the blanket roller of the offset rotary printing machine, which is easy to provide a print of various sizes according to the present invention Front view showing the coupling state.

The offset rotoprinter 10 which is easy to provide the printed matter of various sizes according to the present invention includes a frame main body 20 having a predetermined height, size and area, and a first guide rail constituting the frame main body 20 ( 22, the main means 30 mounted in the front and rear sliding direction, the inking means 40 mounted on the upper portion of the frame main body 20, and the second guide constituting the frame main body 20 An impress means (50) mounted on the rail (23) and sliding in the longitudinal direction of the frame body (20), and mounted on the front of the main means (30) and controlling and adjusting the means (30, 40, 50). Control unit 60 or the like.

The frame body 20 is formed by combining a plurality of frames 21 to have a predetermined size, area and height, and in the upper direction with the first guide rail 22 in a longitudinal direction so as to enable front and rear sliding operations. The second guide rail 23 is mounted to enable the sliding operation.

That is, the frame main body 20 is formed by combining a plurality of frames 21, and then mounted with a pair of first guide rails 22 in the front and rear directions on the upper center portion of the frame main body 20. Next, a pair of second guide rails 23 are formed on one side or both sides in the longitudinal direction.

The main means 30 mounted on the first guide rail 22 of the frame body 20 and slidingly mounted in the front and rear directions includes a main support plate 31 vertically installed at both sides of the front and rear sides, and the A main lower movable body 32 mounted to a lower portion of the main support plate 31 and equipped with a plurality of main rails 32a at a lower portion thereof so as to slide along the first guide rail 22, and the main support plate 31. The support rod 33 mounted in the middle of the < RTI ID = 0.0 >), < / RTI > the PS roller 34 mounted on the main support plate 31 and coated with an ink coating, A blanket roller 35 to which the ink film formed on the surface of 34 is transferred, and a main fixing member for connecting and fixing the main support plate 31 and the PS roller 34 and the main support plate 31 and the blanket roller 35 ( 36) and detachably installed at the rear of the main support plate 31. A driving unit 37 for supplying rotational force to the PS roller 34 and the main support plate 31 and the main support plate 31 and the main support plate 31 when the signal of the control unit 60 is coupled to the rear of the main support plate 31. And a main cylinder 38 for forward or backward actuation of the components 32, 33, 34, 35, 36 coupled thereto.

That is, the main means 30 vertically mounts the main support plate 31 on both sides thereof, and then mounts the main lower movable body 32 provided with the rail 32a on the lower part of the main support plate 31, thereby providing the first The main means 30 along the guide rail 22 is to allow the sliding operation in the front and rear directions.

The main support plate 31 and the components 32, 33, 34, 35, and 36 according to the sliding operation are mounted by attaching a connecting support rod 33 having a predetermined length in the center of the main support plate 31. It is to be able to limit.

Next, a PS roller 34 to which an ink coating is applied and a blanket roller 35 to which an ink coating formed on the surface of the PS roller 34 is transferred are mounted on the upper collinear line of the main support plate 31 to transfer the ink coating. I would have to.

In this case, the PS roller 34 and the blanket roller 35 are formed of a material such as rubber or silicon to facilitate the formation of an ink coating, and the diameters of the rollers 34 and 35 are formed to have the same diameter, and the roller ( 34 and 35 are preferably rotated at the same speed.

In addition, the PS roller 34 and the blanket roller 35 is preferably formed of a component having excellent power transmission such as a gear or a spline to facilitate the interlocking operation.

In addition, the main fixing member 36 for connecting and fixing the main support plate 31 and the PS roller 34 and the main support plate 31 and the blanket roller 35 has one side fixedly coupled to the main support plate 31, and Shaft support (36a) and the shaft support hole (36b) is formed in which the rotation shaft of the PS roller 34 and the rotation shaft of the blanket roller 35 is inserted, and is formed on one side of the shaft support (36a) It consists of a hinge portion 36c rotatably configured on one side and a fastener 36d mounted on an opposite side of the hinge portion 36c to fix the shaft support portion 36a, so that the PS roller 34 It is to be able to support both ends of the rotary shaft of the) and the rotary shaft of the blanket roller 35, respectively.

In addition, the driving unit 37 detachably installed at the rear of the main support plate 31 is composed of connecting means provided with a motor to supply rotational force to the PS roller 34.

That is, the driving unit 37 is combined with the PS roller 34 to transmit the rotational force of the motor to the PS roller 34.

At this time, the coupling gear 34a is protrudingly mounted on the end of the PS roller 34 so as to be engaged with the coupling portion 37a constituting the driving unit 37.

In further detail, the coupling part 37a having the internal gear is formed at the end of the driving part 37, and the coupling gear 34a is protrudingly mounted at the end of the PS roller 34 so that the main means 30 is provided. In the forward and backward operation of the) is to be detached, in addition to the connection method of the drive unit 37 can be applied in a variety of ways, such as key coupling, spline coupling.

The main cylinder 38 coupled to the rear of the main support plate 31 has a component 32 coupled to the main support plate 31 and the main support plate 31 by interlocking operation when a signal of the control unit 60 operates. 33, 34, 35, 36) to act to move forward or backward.

That is, the main cylinder 38 moves forward and backward through the cartridge method while the main support plate 31 and the components 32, 33, 34, 35, and 36 coupled to the main support plate 31 are moved forward and backward. PS roller 34 and the blanket roller 35 can be easily replaced.

And the main means 30 is equipped with a gap adjusting means 70 to adjust the gap between the blanket roller 35 and the PS roller 34.

Here, the gap adjusting means 70 is mounted in the guide ball 31b and the guide ball 31b formed in a predetermined section on the main support plate 31, respectively, one side of the main fixing member ( 36 and the opposite side is coupled to the vertical plate 73, the transfer member 71 to operate forward and backward when the external force is applied, and the upper back of the main support plate 31, the guide ball 31b is located. A horizontal guide member 72 mounted in the longitudinal direction to the vertical direction, and a guide groove 73a formed in the upper and lower portions so as to slide along the horizontal guide member 72 at upper and lower portions thereof; One side is fixed to the plate 73 and the main support plate 31, the opposite side is coupled to the main fixing member 36 of the blanket roller 35, the PS roller 34 in accordance with the forward and backward operation ) And a gap adjusting cylinder 74 for adjusting the gap between the blanket roller 35.

In other words, the gap adjusting means 70 is operated when the gap adjusting cylinder 74 is operated, the blanket roller 35 is the main fixing member 36 and the conveying member 71 and the vertical plate connected to the gap adjusting cylinder 74 While operating the interlocking operation (73) along the horizontal guide member 72 moving along the guide hole (31b) of the main support plate 31 is to adjust the interval while moving forward and backward.

The inking means 40 mounted on the upper portion of the frame body 20 is mounted on the upper portion of the frame body 20, and the PS roller 34 in contact with the blanket roller 35 to which the ink film is transferred. A plurality of ink rollers 41 for applying an ink film on the surface of the substrate are provided.

In other words, the inking means 40 is mounted on the upper portion of the frame body 20 to apply an ink coating to the PS roller 34 of the main means 30 located on one side.

In this case, the inking means 40 may be fixedly mounted on the upper portion of the frame main body 20, and may be mounted to be slidable in the longitudinal direction, such as the impress means 50.

The pressing means 50 mounted on the second guide rail 23 of the frame body 20 is mounted on the second guide rail 23 of the frame body 20 in the longitudinal direction of the frame body 20. The ink film transferred to the surface of the blanket roller 35 can be transferred to the printing paper 80 while sliding.

The impress means 50 includes an impress main body 51, a tension roller 52 provided at intervals inside the impress main body 51, and an impress roller mounted below the impress main body 51. 53, a transfer rail 54 mounted below the press main body 51, and a position transfer means 55 for sliding the frame main body 20.

That is, the impress means 50 is provided with a tension roller 52 for adjusting the tension of the printing paper 80 at intervals in the interior of the impress body 51 formed by combining a plurality of frames, the lower inside An impression roller 53 is mounted on the surface of the blanket roller 35 so that the ink film transferred to the printing paper 80 may be mounted, and a lower portion of the conveying rail may slide along the second guide rail 23. 54 is attached.

And the upper side of the frame body 20 is equipped with a position transfer means 55, one side of which is connected to the press body 51, the sliding operation of the press body 51 in the longitudinal direction of the frame body 20 It was made to be possible.

Here, the position transfer means 55 is configured by adopting a known technique and a separate description will be omitted.

Referring to an embodiment of an offset rotoprinter that is easy to provide printed matter of various sizes configured as described above with reference to the following.

First, a plurality of frames 21 are formed by combining a plurality of frames 21 to have a predetermined size, area, and height, and a sliding operation in a length direction with the first guide rail 22 is possible in the upper portion so as to enable front and rear sliding operations. The frame main body 20 on which the second guide rail 23 is mounted is formed.

In addition, the main support plate 31 vertically installed at intervals on both sides of the first guide rail 22 constituting the frame body 20 at both front and rear sides, and is mounted on the lower portion of the main support plate 31 and lower The main lower movable body 32 is mounted with a plurality of main rail 32a so as to slide along the first guide rail 22, and a connecting support rod 33 mounted in the middle of the main support plate 31. And a PS roller 34 mounted on the main support plate 31 and coated with an ink film, and an ink film mounted on the same line as the PS roller 34 and formed on the surface of the PS roller 34 is transferred. Of the blanket roller 35, the main fixing member 36 which connects and fixes the main supporting plate 31 and the PS roller 34, and the main supporting plate 31 and the blanket roller 35, and the main supporting plate 31. It is detachably installed at the rear and supplies rotational force to the PS roller 34. Is a component (32, 33) coupled to the driving unit (37) and the rear of the main support plate (31) and coupled to the main support plate (31) and the main support plate (31) during signal operation of the control unit (60). It is equipped with a main means (30) consisting of a main cylinder (38) for moving the 34, 35, 36 forward or backward.

At this time, the main means 30, the guide ball 31b is formed in the upper portion of the main support plate 31 so as to adjust the gap between the blanket roller 35 and the PS roller 34 and the guide ball 31, respectively mounted in the interior, one side is coupled to the main fixing member 36 and the other side is coupled to the vertical plate 73, the transfer member 71 and the forward and backward operation when the action of the external force and In addition, the horizontal guide member 72 is installed in the longitudinal direction on the upper back of the main support plate 31, the guide ball 31b is located, and coupled to the transfer member 71, the horizontal guide member (top and bottom) One side is fixed to the vertical plate 73, the guide groove (73a) is formed so as to slide along the 72, and the main support plate 31, the opposite side is the main fixing member of the blanket roller 35 Coupled to 36, the PS roller 34 and the blanket roller 35 in accordance with the forward and backward operation Fit the gap adjusting means 70 consisting of a gap adjusting cylinder 74 for adjusting the gap.

Here, the main fixing member 36 has one side fixedly coupled to the main support plate 31, and an inner shaft coupling hole 36b into which the rotating shaft of the PS roller 34 and the rotating shaft of the blanket roller 35 are inserted is formed. It is mounted on the opposite side of the hinge support (36a) and the hinge portion (36c) configured to be rotatable on one side of the shaft support (36a), which is formed on one side of the shaft support (36a) It consists of the fastener 36d which fixes the axial support 36a.

Next, a plurality of ink rollers 41 are provided on the surface of the PS roller 34 in contact with the blanket roller 35 on which the ink film is transferred, on the upper part of the frame body 20. The inking means 40 is mounted.

In addition, an impress main body 51 formed by coupling a plurality of frames to the second guide rail 23 of the frame main body 20 and spaced inside the impress main body 51 and printed paper 80 is provided. A tension roller 52 for adjusting the tension of the press roller, and an press roller mounted on the lower portion of the press main body 51 so that the ink film transferred to the surface of the blanket roller 35 can be transferred to the printing paper 80. 53, a transport rail 54 mounted below the impress main body 51 and sliding along the second guide rail 23, and one side mounted to the frame main body 20, and opposite The side is connected to the press main body 51 and mounts the press means 50 which consists of the position transfer means 55 which slides the said press main body 51 in the longitudinal direction of the said frame main body 20. As shown in FIG.

Next, when the control unit 60 is mounted on the front surface of the main means 30 to control and adjust the means 30, 40, 50, the assembly of the offset rotoprinter 10, which is easy to provide printed matter of various sizes, may be performed. It's done.

Here, the assembly order of the offset rotoprinter, which is easy to provide the printed matter of various sizes, may be configured differently from the above.

Next, look at the state of use of the offset rotoprint machine that is easy to provide a printed matter of various sizes configured as described above are as follows.

First, by operating the control unit 60 mounted on the front of the main means 30, and then operating the gap adjusting means 70 of the blanket roller 35 and the PS roller 34 of the main means 30 Adjust the interval.

That is, when the gap adjusting means 70 is operated after the operation of the control unit 60, the gap adjusting cylinder 74 moves the blanket roller 35 which is interlocked with the gap adjusting cylinder 74 while operating forward or backward, so that the PS roller 34 is operated. To adjust the spacing.

In further detail, when the gap adjusting cylinder 74 is operated, the blanket roller 35 is connected to the gap adjusting cylinder 74, the main fixing member 36, the conveying member 71, and the vertical plate 73. While operating the interlocking operation along the horizontal guide member 72 to move along the guide hole (31b) of the main support plate 31 is to adjust the distance while operating.

Next, when operating the control unit 60 mounted on the front of the main means 30 to transmit the work signal to the means (30, 40, 50), the means (30, 40, 50) interlocking operation while pressing means On the printing paper 80 mounted on the 50, the shape, pattern or trade name to be represented will appear.

That is, when the operation signal is transmitted to the means 30, 40, 50 to the controller 60, the ink roller 41 of the inking means 40 is transmitted to the PS roller 34 of the main means 30. In addition, the PS roller 34 is transferred to the blanket roller 35, the blanket roller 35 is printed while moving in the order of the printing paper 80 wound on the press roll 53.

As described above, the offset rotoprinter 10, which is easy to provide printed matter of various sizes, moves along the frame body 20 along the direction in which the main means 30 crosses the direction in which the printing paper 80 is supplied. PS roller 34 and the blanket roller (3%) constituting the main means 30 is an advantage that can be easily replaced.

In further detail, the offset rotoprinter 10, which is easy to provide printed matter of various sizes, includes a main means 38 having a PS roller 34 and a blanket roller 35. By pulling out along the first guide rail 22 of the frame body 20, the PS roller 34 and the blanket roller 35 can be easily replaced as in the cartridge method, and since the work space is secured, the replacement work is performed. You get the advantage of being very easy.

In the above description with reference to the accompanying drawings, in the description of the offset rotoprinter, which is easy to provide the printed matter of various sizes of the present invention with a particular shape and direction, the present invention can be variously modified and changed by those skilled in the art, such Modifications and variations should be construed as being included in the scope of the present invention.

10: offset rotoprinting machine, easy to provide various sized prints
20: frame body, 21: frame,
22: first guide rail, 23: second guide rail,
30: main means, 31: main support plate,
32: main lower movable body, 33: connecting support rod,
34: PS roller, 35: blanket roller,
36: main fixing member, 37: driving part,
38: main cylinder, 40: inking means,
41: ink roller, 50: pressing means,
51: the press body, 52: tension roller,
53: press roller, 54: feed rail,
70: gap adjusting means, 71: conveying member,
72: horizontal guide member, 73: vertical plate,
74: space adjusting cylinder, 80: printing paper.

Claims (6)

A frame is formed by combining a plurality of frames to have a predetermined size, area and height, and a frame on which the first guide rail and the second guide rail are mounted so as to be slidable in the longitudinal direction to enable front and rear sliding operations. A main body;
Main means mounted to a first guide rail of the frame body and provided with a blanket roller to which the ink film transferred from the PS roller is transferred;
Inking means mounted on an upper portion of the frame body and having a plurality of ink rollers disposed therein, the ink rollers applying an ink film to a surface of the PS roller in contact with a blanket roller to which the ink film is transferred;
An impress means mounted on a second guide rail of the frame body and provided with an impression roller for allowing the ink film transferred to the blanket roller surface to be transferred onto printing paper;
And a control unit mounted on the front surface of the main means and controlling and adjusting the main means, the inking means, and the impress means.
The method according to claim 1, wherein the main means,
Main support plate installed vertically at intervals on both sides before and after,
A main lower movable body mounted to a lower portion of the main support plate and equipped with a plurality of main rails so as to slide along the first guide rail;
A connecting support rod mounted in the middle of the main support plate;
A PS roller mounted on an upper portion of the main support plate and coated with an ink film;
A blanket roller mounted on the same line as the PS roller and to which an ink film formed on the surface of the PS roller is transferred;
A main fixing member for connecting and fixing the main supporting plate and the PS roller and the main supporting plate and the blanket roller;
A driving unit detachably installed at a rear of the main support plate and supplying rotational force to the PS roller;
And a main cylinder coupled to the rear of the main support plate and configured to move the main support plate and the components coupled with the main support plate forward or backward when the signal of the controller is operated. One offset roto printing press.
The method according to claim 2,
The main means is further provided with a gap adjusting means to adjust the gap between the blanket roller and the PS roller, the gap adjusting means,
A guide ball formed in a predetermined section on an upper portion of the main support plate;
A transfer member mounted inside each of the guide balls, one side of which is coupled to the main fixing member, and the other side of which is coupled to a vertical plate, the transfer member operating forward and backward when an external force is applied;
A horizontal guide member mounted in a longitudinal direction on an upper rear side of the main support plate on which the guide ball is located;
A vertical plate coupled to the transfer member and having upper and lower guide grooves formed to slide along the horizontal guide member;
One side is fixed to the main support plate and the opposite side is coupled to the main fixing member of the blanket roller is characterized in that it comprises a gap adjusting cylinder for adjusting the distance between the PS roller and the blanket roller according to the forward and backward operation Offset rotoprinter that is easy to provide prints of various sizes.
The method according to claim 2 or 3,
The main fixing member is one side is fixedly coupled to the main support plate and the shaft support which is formed therein the shaft coupling hole is inserted into the rotary shaft of the PS roller and the rotating roller of the blanket roller, and is formed on one side of the shaft support is divided And a fastener configured to be rotatably configured, and a fastener configured to be mounted on an opposite side of the hinge to fix the shaft support.
The method according to claim 2,
Offset rotoprinter is easy to provide a printed matter of various sizes, characterized in that the end of the PS roller is coupled to the engaging gear is coupled to the engaging portion constituting the drive unit protrudingly mounted.
The method according to claim 1, wherein the press means,
An impress body formed by combining a plurality of frames,
A tension roller installed at intervals inside the main body of the press to adjust tension of the printing paper,
An impress roller mounted at a lower portion of the impress body and allowing the ink film transferred to the blanket roller surface to be transferred onto printing paper;
A conveying rail mounted to the lower portion of the press main body and sliding along the second guide rail;
One side is mounted to the frame body, and the opposite side is connected to the impress body, providing a printed material of various sizes comprising a position transfer means for sliding the impress body in the longitudinal direction of the frame body. Easy to rotate offset rotatable press.

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