JP2012139872A - Printing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a printing machine in which a drying device is easily and quickly moved from a drying position to a retreat position when abnormality occurs.SOLUTION: The printing machine includes the drying device 3 for drying ink on printing paper that is conveyed after being printed. The drying device 3 includes a drying part body 18 which is provided in a housing part so as to freely move to the drying position where it comes close to the printing paper in order to dry the ink on the printing paper, and the retreat position where it separates from the printing paper, and an operation means 20 operating the drying part body 18 so as to move from the drying position to the retreat position.

Description

  The present invention relates to a printing machine including a drying device for drying ink on printing paper that has been printed and conveyed.

  Such a printing machine includes a drying device for evaporating ink on printing paper that has been printed and conveyed. The drying device is provided in a notch portion between the printing units in a state of being supported by a rotating member. The upper opening of the notch is closed by an openable and closable step passed between the printing units. When maintaining the drying device, the step is opened and the drying device is moved via the rotating member. To move to a retracted position away from the dry position approaching the impression cylinder (see, for example, Patent Document 1).

JP 2007-223066 A

  By the way, as the drying device, for example, an IR (infrared) drying device or a hot air drying device is used so that the ink on the printed printing paper can be dried immediately. Since the heat from these drying devices becomes very high, for example, when the printing paper is clogged during the drying process of the drying device and the printing paper stays for a predetermined time, the printing paper is heated by the drying device. There is a risk of overheating. Therefore, when an abnormality such as a jam of the printing paper is detected, the drying apparatus is turned off to prevent heat generation or the like. However, since the heat from the drying device is very high as described above, the temperature of the drying device cannot be lowered immediately by simply turning off the power, and heat generation or the like cannot be sufficiently prevented.

  In order to avoid the heat generation and the like, the drying device is moved from the drying position to the retracted position, and the drying device is moved away from the printing paper. However, in Patent Document 1, the closed step is opened. Therefore, by rotating the rotating member, the drying apparatus is moved from the drying position to the retracted position. Therefore, it takes not only a long time to move the drying apparatus to the retracted position, but also laborious work. It was.

  Therefore, the present invention has been made in view of such circumstances, and an object of the present invention is to provide a printing machine that can easily and quickly move a drying device from a drying position to a retracted position when an abnormality occurs.

  A printing machine according to the present invention is a printing machine including a drying device for drying ink on printing paper that has been printed and conveyed, and the drying device is intended to dry ink on printing paper. A drying unit main body configured to be freely movable between a drying position approaching the printing paper and a retreating position separated from the printing paper, and an operation means for moving the drying unit main body from the drying position to the retreating position. The drying unit main body is provided in a storage unit, and is configured to move within the storage unit.

  According to the present invention, since the drying unit main body moves in the storage unit, for example, when an abnormality occurs, the drying unit main body can be quickly moved to the retracted position by the operation means without taking time and effort. The operation means may be operated manually by an operator (operator) or automatically by a control unit of the printing press.

  The printing press according to the present invention further includes an abnormality detection unit that detects an abnormality such as a jam of the conveyed printing paper, and the drying unit main body is moved by the operation unit based on a detection result of the abnormality detection unit. The structure which operates may be sufficient.

  According to such a configuration, an abnormality such as a jam in the printing paper being conveyed can be detected by the abnormality detection means, and the drying unit main body can be operated by the operation means based on the detection result. The main body can be quickly retracted, and heat generation of the printing paper can be reliably suppressed.

  The drying unit main body is configured to move between a drying position and a retracted position by rotation, and the operation means is disposed outside the storage unit, and an operation for operating the movement of the drying unit main body. The structure provided with the tool and the link mechanism which connects this operation tool and the rotating shaft of a drying part main body may be sufficient.

  According to this configuration, since the operating means is outside, the storage unit can be downsized. In addition, the operation tool can be operated safely without touching the drying unit body and worrying about burns.

  As described above, according to the present invention, since the drying unit main body moves within the storage unit, for example, when an abnormality occurs, a printing machine is provided that can easily and quickly move the drying unit main body to the retracted position by the operating means. be able to. Therefore, heat generation and the like can be further suppressed.

1 is a schematic overall side view of a printing press according to an embodiment of the present invention. The vertical side view of the drying apparatus incorporated in the printing machine which concerns on the embodiment is shown. The longitudinal section side view of the state where the drying part main part of the drying device shown in Drawing 2 was located in the dry position is shown. The longitudinal section side view of the state where the drying part main part of the drying device shown in Drawing 2 was located in the retreat position is shown. The schematic plan view of the drying apparatus integrated in the printing machine which concerns on the same embodiment is shown.

  Hereinafter, an embodiment of a printing press according to the present invention will be described with reference to FIGS.

  The printing machine includes an offset type first printing apparatus 1 for creating a printing plate and printing on printing paper, and an ink jet type second printing apparatus 2 for performing printing with different printing contents for each printing paper. The drying device 3 for drying the ink on the printing paper printed by the second printing device 2, the processing device 4 for applying varnish to the surface of the printing paper after drying, and the first printing device 1 And a paper discharge device 5 for drying and discharging the ink on the printed printing paper and the varnish applied by the processing device 4. In the following description, the longitudinal direction of the printing press (printing paper transport direction) is the front-rear direction, and the short side direction of the printing press (printing paper transport width direction) is the left-right direction.

  By providing the first printing apparatus 1 and the second printing apparatus 2, it is possible to create printed matter that meets all needs. For example, when printing an advertising image and creating a crimped postcard for use in direct mail, the first printing apparatus 1 prints a common image (with the same pattern) on the printing paper and prints the printed image. For example, images and characters of different patterns such as addresses and personal information can be printed on the sheet by the second printing apparatus 2. In addition, the first printing apparatus 1 and the second printing apparatus 2 may be driven independently in addition to driving the first printing apparatus 1 and the second printing apparatus 2 simultaneously.

  The first printing apparatus 1 includes a paper feeding unit 8 for feeding printing paper (sheets) one by one from the paper stacking base 6 by the feeder device 7, and four colors (for example, the printing paper from the paper feeding unit 8) , Cyan, magenta, yellow, and black), four printing units 9, 10, 11, and 12 are provided. Here, four printing units 9 to 12 are provided so that four colors can be printed, but a printing unit is provided so that printing of colors other than four colors, that is, one color or two or more colors can be performed. Also good.

  The printing units 9 to 12 include printing impression cylinders 9A to 12A, and transfer cylinders for passing printing paper to each printing impression cylinder on the upstream side of the printing impression cylinders 9A to 12A in the transport direction. 9B-12B. Of the transfer cylinders 9B to 12B, the transfer cylinder 9B having a small diameter located on the starting end side in the conveying direction is also referred to as a paper supply cylinder. The transfer cylinder 9B, the feeder device 7 and the paper stacking base 6 are used to supply the paper supply unit 8. Is configured. Although not shown, each of the cylinders 9A to 12A and the transfer cylinders 10B to 12B has a gripper (not shown) for gripping the fed printing paper with a nail base and a nail in the circumferential direction. It is provided at two locations (one or three or more locations may be provided). The transfer cylinder 9B having a small diameter is also provided with a gripper for gripping the printing paper with the nail base and the nail at one place in the circumferential direction, although not shown.

  The second printing apparatus 2 includes a printing cylinder 13, a transfer cylinder 14 that is disposed on the upstream side of the printing cylinder 13 in the conveying direction, receives a printing sheet from the printing unit 12, and conveys it to the printing cylinder 13, and the printing cylinder 13. And an inkjet head 15 for discharging ink onto the surface of the printing paper received. Each of the printing cylinder 13 and the transfer cylinder 14 has two grippers (not shown) for gripping the fed printing paper with the nail base and the nail in two circumferential directions (one or three or more positions may be used). In preparation. As the ink ejected from the inkjet head 15, a lot of water-based ink is used. Since this water-based ink contains a lot of water, it needs to be immediately dried by an IR lamp 21 or the like described later.

  The drying apparatus 3 includes a drying cylinder 16, a transfer cylinder 17 that is disposed on the upstream side of the drying cylinder 16 in the conveying direction and receives printing paper from the second printing apparatus 2 and conveys the printing paper to the drying cylinder 16, and the drying cylinder 16. Is provided with a drying unit body 18 for drying the ink on the surface of the printing paper received by the drying cylinder 16 and a storage unit 19 for storing the drying unit body 18. Each of the drying cylinder 16 and the transfer cylinder 17 has two grippers (not shown) for gripping the fed printing paper with the nail base and the nail in two circumferential directions (one or three or more positions may be used). In preparation. Further, the drying cylinder 16 is configured as an adsorption cylinder that can adsorb and convey the printing paper gripped by the gripper on the surface thereof, and the distance from the drying surface of the drying unit body 18 to the surface of the printing paper is small. The distance is always set.

  2 and 5, the drying unit main body 18 has a rectangular parallelepiped case 22 in which three elongated circular IR lamps 21 extending in the front-rear direction are arranged at predetermined intervals in the left-right direction. A drying surface 22A for releasing heat (irradiation light) from the IR lamp 21 toward the drying cylinder 16 is formed on the lower surface of the case 22. In the present embodiment, three drying unit main bodies 18 are provided on the left and right sides and side by side. A cable 23 for supplying power to the IR lamp 21 in the case 22 is connected.

  As shown in FIGS. 2 to 4, the drying unit main body 18 is provided in the storage unit 19, and is configured to be rotatable around rotation shafts 30 and 30 described later. By rotating, the ink approaches the printing paper, that is, directly above the drying cylinder 16 to dry the ink on the printing paper, and the drying surface 22A faces the surface of the drying cylinder 16 (in the solid line in FIG. 2). 3 and the retreat position where the drying surface 22A faces the opening 19K to be described later (the position indicated by the two-dot chain line in FIG. 2 and the position in FIG. 4). It is configured to be freely movable.

  The drying unit body 18 is configured to be movable in the width direction of the printing paper, and an adjustment unit (corresponding to the bolt 26 in FIG. 2) for adjusting the position of the drying unit body 18 in the width direction of the printing paper. Yes). Therefore, by adjusting the position of the drying unit body 18 in the width direction of the printing paper according to the width of the printing paper, the ink on various printing papers having different widths can be surely dried. Can do.

  Here, a configuration in which the drying unit main body 18 rotates and a configuration in which the position is adjusted in the width direction of the printing paper will be described. First, from the configuration in which the drying unit body 18 is adjusted in the width direction, as shown in FIGS. 2 and 5, the case 22 of each drying unit body 18 is provided so as to be movable in the width direction of the printing paper. ing. Specifically, a pair of front and rear L-shaped brackets 24 and 24 projecting upward are attached to the upper end surface of the case 22, and the brackets 24 and 24 extend to the pair of front and rear support members 25 and 25 extending in the left-right direction. By engaging from the vertical direction, each drying unit main body 18 is supported by the support members 25 and 25. More specifically, the brackets 24, 24 are slidably engaged along the support members 25, 25, whereby each drying unit body 18 is movable in the left-right direction along the support members 25, 25. It is supported by suspension.

  And each of the support members 25 and 25 is comprised by the substantially X shape in the longitudinal cross-sectional shape. Further, the brackets 24, 24 are provided with bolts 26 penetrating in the front-rear direction, and the front ends of the bolts 26 are inserted into the recesses 25A of the front support member 25 by screwing one front bolt 26 in FIG. The bracket 24 can be fixed to the support member 25 by pressing. 2, the other bolt 26 on the rear side is provided so that the engagement of the bracket 24 is not released, and the tip of the bolt 26 is not pressed against the concave portion of the support member 25. The bracket 24 is not fixed to the support member 25. Accordingly, the case 22 is fixed to the support member 25 so as to be immovable by screwing the bolt 26 on the front side, and the case 26 is extended in the longitudinal direction of the support members 25 and 25 according to the printing width of the inkjet head 15 by loosening the bolt 26. 22 can be moved, and the position of the drying unit main body 18 can be adjusted in the width direction. The front bolt 26 constitutes an adjustment unit that adjusts the position of the drying unit main body 18 in the width direction of the printing paper. Since there are three drying unit main bodies 18, the bolts 26 of the respective drying unit main bodies 18 are loosened.

  Next, a configuration in which the drying unit main body 18 rotates will be described. The support members 25, 25 are connected to a pair of square members 27, 27 positioned above them and extending in the left-right direction by a pair of front and rear plate members 28, 28. The square members 27 and 27 are bolted to a pair of left and right plate-like attachment members 29 and 29 extending in the front-rear direction. The attachment portions 29 and 29 are connected to a pair of left and right L-shaped plate-like rocking members 31 and 31 via a pair of bolts 32 and 32. The swinging members 31 and 31 are swingably connected to rotating shafts 30 and 30 that are rotatably supported by the left and right side walls 45 and 46 constituting the casing 19C. With such a connection structure, the pivot members 30, 31 are pivoted by pivoting the pivot shafts 30, 30, and the attachment portions 29, 29 coupled to the pivot members 31, 31 are provided. Square members 27, 27, plate members 28, 28, and support members 25, 25 are integrally swung. By this integral swinging, the drying unit main body 18 is rotated, and the drying position (the position indicated by the solid line in FIG. 2 and the position in FIG. 3) and the retreat position (the position indicated by the two-dot chain line in FIG. 2 and the position in FIG. 4). ) And can be moved.

  The drying device 3 includes an adjusting unit that can adjust the distance (gap) from the surface 16A of the drying drum 16 to the drying surface 22A of the drying unit main body 18. This adjusting means is composed of bolt insertion holes 29A and 29A formed in the attachment members 29 and 29 as long holes in the vertical direction, and changes the vertical positions of the bolts 32 and 32 with respect to the bolt insertion holes 29A and 29A. Accordingly, the height position of the case 22 with respect to the drying cylinder 16, that is, the distance (gap) from the surface 16A of the drying cylinder 16 to the drying surface 22A of the drying unit body 18 can be adjusted. The left and right ends of the support members 25 and 25 are connected by connecting members 47 and 47 in the front-rear direction.

  In addition, cylindrical stoppers 60 and 60 for restricting the downward movement of the drying unit main body 18 are fixed to the left and right side walls 45 and 46 by bolts 61 and 61, respectively. The lower end surface of the abutment contacts the stoppers 60 and 60 so that the drying unit main body 18 does not move further downward. A locking member 62 for locking and fixing at the retracted position of the drying unit main body 18 is swingably attached to the right side wall 46. Therefore, the drying unit main body 18 is positioned at the retracted position, so that the locked portion of the drying unit main body 18 is automatically locked to the locking portion of the locking member 62 so that the drying unit main body 18 can be held at the retracted position. It has become. When the drying unit main body 18 held at the retracted position is moved to the drying position, the holding member 62 is held to swing to the unlocking side. The locking member 62 may be manually swingable from the outside of the casing 19C.

  In addition, the printing machine includes an operation unit 20 that manually moves the drying unit main body 18 from the drying position to the retracted position.

  The operating means 20 includes an operating tool 33 attached to the outside of the left side wall 45 so as to be swingable about the axis X1, and the operating tool 33 swinging the drying unit body 18 between the drying position and the retracted position. For this purpose, a link mechanism 34 that connects the operation tool 33 and the drying unit main body 18 is provided.

  The operating tool 33 is disposed laterally outward of the left side wall 45 and is mounted on a plate-like swinging portion 35 that is swingably mounted around the axis X1 and is inserted into one end of the swinging portion 35 and is And an operation lever portion 36 extending in the direction.

  The link mechanism 34 includes a pair of links 37, 38 that connect the swinging portion 35 and one (left side in FIG. 5) rotating shaft 30 that is the axis X 2 of the drying unit main body 18, and the pair of links 37, 38. These end portions are pivotally connected to each other, and the pair of links 37 and 38 are separated or approached in accordance with the swinging operation of the operation lever portion 36 (the angle formed by both the links 37 and 38 changes). Thus, the rotary shaft 30 is rotated. Due to the rotation of the rotating shaft 30, the swinging members 31, 31 are swung around the shafts of the rotating shafts 30, 30, and the swinging members 31, 31 are attached to the mounting members 29, 29, the plate members 28, 28, the square members 27, 27, the drying surface 22A from the drying cylinder 16 is moved from the drying position where the drying section main body 18 connected through the support members 25, 25 is close to the surface 16A of the drying cylinder 16 as shown in FIG. It can be moved to a separated retreat position (see FIG. 4). The drying unit main body 18 in the drying position has a downwardly inclined posture in which the drying surface 22A is lowered downward toward the front end side, and the drying unit main body 18 in the retracted position is positioned above the front end side. After that, it is in a downward inclined posture. Further, the forward downward inclined posture of the drying unit main body 18 in the drying position is closer to the horizontal posture than the rear downward inclined posture of the drying unit main body 18 in the retracted position. That is, the drying unit main body 18 stands up from the drying position close to the horizontal posture so that the front end side moves upward to the retracted position.

  Further, one end of the swing arm 48 and the tip of a sensor 49 for detecting the angle of the swing arm 48 are attached to the projecting end of the other (right side in FIG. 5) rotating shaft 30. The base end of the sensor 49 is fixed to the right side wall 46. The other end of the swing arm 48 is connected to one end of a gas damper 50 and the other end of the gas damper 50 is connected to a shaft 51 provided on the side wall 46 so as to protrude to the outside. Accordingly, the force of the gas damper 50 can be used when the swinging members 31, 31 are swung upward in accordance with the operation of the operation lever portion 36, so that the drying unit main body 18 can be moved with a small operation force. Can be lifted. When the drying unit main body 18 is located at the retracted position, the sensor 49 detects that the drying unit body 18 is located at the retracted position, and a detection signal is output to a control unit (not shown) provided in the printing press. The unit (not shown) prevents the IR lamp 21 from being lit.

  The storage unit 19 is formed from a space provided above the drying cylinder 16, and the space includes left and right side walls 63 and 64 (see FIG. 5) and front and rear steps 19A and 19B (see FIG. 2). And a lower open type box-shaped casing 19C (see FIG. 2) that forms a space upward from the front and rear steps 19A, 19B. FIG. 5 shows left and right side walls 63 and 64 of the printing press, and left and right side walls 45 and 46 of the casing 19 </ b> C are integrally formed at the upper ends of the side walls 63 and 64. In addition, the left and right side walls 45 and 46 of the casing 19C are configured to be thinner than the left and right side walls 63 and 64 of the printing press.

  An opening 19K is formed on the front side of the casing 19C, and a plate-like inner door 39 and a plate-like outer door 40 for closing the opening 19K are provided. These doors 39 and 40 are configured to be swingable and openable around a rotating shaft 41 above the casing 19C.

  The inner door 39 is configured to close a portion excluding a part (lower side portion) of the opening 19K, and is configured to be able to open both inside and outside. More specifically, the inner door 39 includes a pair of left and right handles 39A (only one of which is shown in FIGS. 2 to 4) formed inwardly in the center in the vertical direction, and is provided in the canning 19C. And a ball plunger (not shown) having an engaged portion that engages with the ball so that the closed position along the vertical direction can be maintained by the engagement between the engaged portion and the ball plunger. It has become. Further, when the inner door 39 is pushed inward, the engagement with the ball plunger is released, and when the inner door 39 swings inward, the inner door 39 is attracted to a magnet (not shown) provided on the casing 19C side, and is shown by a one-dot chain line in FIG. It is fixed by suction at the inner position indicated by. Further, by pulling the inner door 39 to the outside, the engagement with the ball plunger is released, and then the outer door is largely swung outward to be positioned at the outer open position indicated by the two-dot chain line in FIG. In addition, you may provide holding means, such as a magnet, for maintaining the inner door 39 in the outer open position at that position.

  Further, the outer door 40 is configured to close all of the opening 19K and is configured to be opened only to the outside. More specifically, the outer door 40 includes a pair of left and right arched handles 40A on the lower side in the vertical direction, and has a closed posture in which the opening 19K can be completely closed with its own weight along the vertical direction. Can be maintained. The casing 19C is provided with a stopper (not shown) that prevents the outer door 40 from swinging inward from the closed posture by contact.

  For example, during the printing operation, when the operation of removing the jammed printing paper or the inspection operation of the drying cylinder 16 is performed, the drying unit main body 18 is placed in the retracted position (see FIG. 4), and the outer door By moving the inner door 39 to the inner position shown by the alternate long and short dash line in FIG. 4 after setting 40 to the open position shown by the two-dot chain line in FIG. 4, the upper part of the drying surface of the drying unit body 18 can be covered. Therefore, it is possible to perform work while suppressing the operator's body from coming into contact with the drying unit main body 18 in a high temperature state. Further, when it is desired to change the size of the printing paper in the middle of the printing operation, the outer door 40 is moved to the two points shown in FIG. 3 during the adjustment operation in which the bolt 26 is loosened and the position of the drying unit body 18 is adjusted. When the inner door 39 is operated to the open position outside the casing 19C indicated by the two-dot chain line in FIG. 3 by setting the inner door 39 to the inner position indicated by the one-dot chain line in FIG. 3 after the open position indicated by the chain line. As compared with the above, the inner door 39 can be operated quickly. Various operations may be performed by operating the inner door 39 to the open position outside the casing 19C indicated by the two-dot chain line in FIG.

  A storage box 44 for storing three rod-like bodies 43 for hanging three hooks 42 for holding and holding the cable 23 of the drying unit main body 18 is attached to the rear side of the upper end of the casing 19C. It has been. Further, a smoke detector 52 for detecting smoke generated by burning printing paper is attached to the upper end side of the casing 19C, and a smoke detection duct is provided so that the smoke immediately rises toward the smoke detector 52. 53 is attached in a state of protruding upward at substantially the center of the upper surface of the upper end of the casing 19C.

  Returning to FIG. 1, the processing device 4 is composed of two varnish units 54 and 55 for applying varnish, and the first varnish unit 54 located on the front side is a varnish cylinder 56 and an upstream of the varnish cylinder 56 in the conveying direction. And a transfer cylinder 57 for receiving printing paper from the drying device 3 and transferring it to the varnish cylinder 56. The second varnish unit 55 located on the rear side is arranged on the upstream side in the transport direction of the varnish cylinder 58 and the varnish cylinder 58 for receiving printing paper from the first varnish unit 54 and transferring it to the varnish cylinder 58. The transfer drum 59 is provided. Each of the varnish cylinders 56 and 58 and the transfer cylinders 57 and 59 has two grippers (not shown) for gripping the fed printing paper with the nail base and the nail in two circumferential directions (one or three places). You may prepare for the above.

  The paper discharge device 5 is composed of a chain conveying device having a plurality of grippers on an endless chain. In the present embodiment, a printing machine including the paper discharge device 5 is shown, but a printing machine in which the paper discharge device 5 is omitted may be used. In this embodiment, a sheet is used as the printing paper, but a continuous long paper may be used.

  Next, a procedure for manually moving the drying unit main body 18 between the drying position and the retracted position using the operation tool 33 having the above-described configuration will be described. First, it is assumed that the printing paper is jammed and an abnormality occurs, and the control unit provided in the printing machine stops the operation of the printing machine and cuts off the power supply to the drying unit main body 18. The operator (operator) confirming the stoppage of the operation of the printing machine moves to the drying device 3 and falls to the front side indicated by the two-dot chain line with the operation tool 33 falling to the rear side shown in FIG. By swinging to the position, the drying unit main body 18 can be manually and quickly moved from the drying position to the retracted position from the outside of the storage unit 19 via the link mechanism 34. The printing machine is provided with notifying means for notifying based on the detection signal from the detecting means for detecting that the printing paper is jammed, and the operator (operator) is jammed based on the information from the notifying means. You may make it confirm that. The notification means may be configured by a display unit for displaying on a rotating display lamp, a lamp, a monitor, or the like in addition to a configuration for generating sound such as a buzzer or an announcement.

  When the drying unit body 18 is automatically moved between the drying position and the retracted position, for example, an electric motor (not shown) as an actuator for rotating the rotating shaft 30 of the operation tool 33 is provided. Become. When the printing paper is jammed and an abnormality occurs, the control unit provided in the printing machine stops the operation of the printing machine and cuts off the power supply to the drying unit main body 18. After confirming this, the switch is pressed, or an electric motor (not shown) is operated based on a detection signal from a detection means for detecting an operation stop signal of the printing press or printing paper jam, and the rotary shaft 30 is moved. By rotating in one direction, the drying unit main body 18 can be moved from the drying position to the retracted position. The paper sensor as a detecting means for detecting that the printing paper is jammed is preferably provided in the drying device 3. However, since the inside of the drying device 3 becomes high temperature, before and after the drying device 3, for example, as shown in FIG. In addition, a paper sensor (abnormality detecting means) S for detecting the passage of the printing paper that is transferred to the transfer cylinder 57 of the first varnish unit 54 on the rear side of the drying device 3 is provided. And in order to detect the printing paper sent out one by one from the feeder device 7, a feed detection sensor (not shown) is arranged in the feeder device 7, and a feed signal is output from the feed detection sensor. From the paper sensor S, when the printing paper passage signal is not output from the paper sensor S even after a predetermined time elapses, a detection signal for detecting that the printing paper is jammed is output from the paper sensor S to the control unit of the printing press. When the abnormality is resolved and the printing operation is resumed, the rotary shaft 30 is opposite to the above by pressing a switch or operating an electric motor (not shown) based on the operation restart signal of the printing press. The drying unit body 18 may be moved from the retracted position to the drying position by rotating in the other direction. Even when the rotating shaft 30 cannot be rotated due to an actuator failure or the like, the operation tool 33 for manually moving the drying unit body 18 from the drying position to the retracted position can be provided.

  The rotating shaft 30 of the drying unit main body 18 is arranged at the upper end of the drying unit main body 18 and at the rear end (position close to the side wall (rear wall in the figure) 19a opposite to the opening 19K of the casing 19C). The opening in the casing 19C in a state where the drying unit body 18 is positioned at the retracted position while reducing the space required for the rotation of the drying unit body 18 between the drying position and the retracted position of the drying unit body 18 Space for maintenance can be secured on the 19K side.

  The printing press according to the present invention is not limited to the above embodiment, and various modifications can be made without departing from the gist of the present invention.

  For example, the lower surface (drying surface) of the drying unit main body 18 and the shape of the IR lamp shown in the embodiment may be configured to be curved so as to follow the surface of the drying cylinder 16.

  In the above-described embodiment, the drying unit body 18 is configured to be moved between the drying position and the retracted position by rotation. However, the pair of guide members that guide the drying unit body 18 to slide in the vertical direction or the front-rear direction are provided. A configuration may be provided in which the drying unit main body 18 is moved up and down or slid by a pair of guide members.

  In the above-described embodiment, the operation tool 33 and the link mechanism 34 are arranged outside the casing 19C constituting the storage unit. However, the operation tool connected to the link mechanism 34 by arranging the link mechanism 34 in the casing 19C. Alternatively, the 33 operating lever portions 36 may be configured to protrude outside (upward or laterally) of the casing 19C.

  Moreover, in the said embodiment, although IR lamp was used as a drying apparatus, the hot air drying apparatus and heater etc. which radiate | emit a hot air may be sufficient.

DESCRIPTION OF SYMBOLS 1 ... 1st printing apparatus, 2 ... 2nd printing apparatus, 3 ... Drying apparatus, 4 ... Processing apparatus, 5 ... Paper discharge apparatus, 6 ... Paper loading stand, 7 ... Feeder apparatus, 8 ... Paper feed part, 9-12 ... printing unit, 9A to 12A ... printing cylinder, 9B to 12B ... transfer cylinder, 13 ... printing cylinder, 14 ... transfer cylinder, 15 ... inkjet head, 16 ... drying cylinder, 17 ... transfer cylinder, 18 ... drying section main body , 19 ... storage section, 19 ... storage section, 19A, 19B ... step, 19C ... casing, 19K ... opening, 19a ... side wall, 20 ... operating means, 21 ... lamp, 22 ... case, 23 ... cable, 24 ... bracket, 25 ... support member, 25A ... concave portion, 26 ... bolt, 27 ... square member, 28 ... plate member, 29 ... mounting member, 29A ... bolt insertion hole, 30 ... rotating shaft, 31 ... swing member, 32 ... bolt, 33 ... Operation tool 34 ... Link mechanism 35 ... Moving part 36 ... Operating lever part 37,38 ... Link 39 ... Inner door 39A ... Handle 40 ... Outer door 40A ... Handle 41 ... Rotary shaft 42 ... Hook 43 ... Stick body 44 ... Storing Box, 45, 46 ... Side wall, 47 ... Connecting member, 48 ... Swing arm, 49 ... Sensor, 50 ... Gas damper, 51 ... Shaft, 52 ... Smoke detector, 53 ... Duct, 54, 55 ... Varnish unit, 56 , 58 ... Varnish cylinder, 57, 59 ... Transfer cylinder, 60 ... Stopper, 61 ... Bolt, 62 ... Locking member, S ... Abnormality detection means (paper sensor)

Claims (3)

A printing machine including a drying device for drying ink on printing paper that has been printed and conveyed,
A drying unit main body configured to be movable between a drying position approaching the printing paper and a retreating position spaced apart from the printing paper to dry the ink on the printing paper; and drying the drying unit main body An operating means for moving from the position to the retracted position, and the drying unit main body is provided in the storage unit and configured to move in the storage unit.   2. The apparatus according to claim 1, further comprising an abnormality detection unit that detects an abnormality such as a jam of the conveyed printing paper, and the operation unit is operated by the operation unit based on a detection result of the abnormality detection unit. The printing machine described in.   The drying unit main body is configured to move between a drying position and a retracted position by rotation, and the operation means is disposed outside the storage unit, and an operation for operating the movement of the drying unit main body. The printing machine according to claim 1, further comprising: a tool, and a link mechanism that connects the operation tool and the rotation shaft of the drying unit main body.

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