WO2016113932A1

WO2016113932A1 - Proof press having plurality of plate cylinders

Info

Publication number: WO2016113932A1
Application number: PCT/JP2015/070928
Authority: WO
Inventors: 昌之赤穂
Original assignee: 株式会社日商グラビア; 昌之赤穂
Priority date: 2015-01-16
Filing date: 2015-07-23
Publication date: 2016-07-21
Also published as: JP6509567B2; CN107107604A; JP2016132108A

Abstract

[Problem] To facilitate the task of exchanging colors to print and enable continuous printing in a proof press having a plurality of plate cylinders. [Solution] This invention is provided with: a plurality of plate cylinders (68) disposed around a rotary shaft (12) so as to be parallel to the rotary shaft (12) and supported by discs (21, 26); a pair of clamping shafts (47, 56) for clamping both ends of the plate cylinders (68); a clamping shaft driving device (88) for moving one (47) of the clamping shafts forwards and backwards; a rotary driving device (91) linked to the rotary shaft (12) and the other (56) of the clamping shafts; a plate cylinder lift device (80) for lifting the plate cylinders (68); an impression cylinder (83) installed so as to correspond to one of the plate cylinders (68); an impression cylinder driving device (86) for driving the impression cylinder (83); and a printing pressure adjustment device (88) for bringing the impression cylinder (83) towards the plate cylinder (68) side and applying a printing pressure.

Description

Calibration machine with multiple plate cylinders

The present invention relates to a proofing machine having a plurality of plate cylinders, and more particularly to a proofing machine having a plurality of plate cylinders for performing gravure printing.

Conventionally, in a proofing machine that performs proof printing, ink adheres to the surface of the plate cylinder, the ink overflowing from the recesses on the surface of the plate cylinder is scraped off with a doctor, and printing pressure is applied by the impression cylinder to the surface of the base paper. There is a so-called gravure printing method in which ink in the concave portion of the cylinder is applied and characters and designs are printed.
Examples of such a gravure proofing machine include the following prior art documents.

Patent No. 1736325 gazette The gravure proofing machine according to Patent Document 1 is for calibrating gravure printing. After confirming the relative position of the gravure printing plate and the web, the printing pressure is determined. Printing is performed by bringing the printing plate and the doctor into contact with each other, rotating the printing drum and the impression cylinder simultaneously, and releasing the impression cylinder by one rotation, and the next cylinder is located at the position corresponding to the impression cylinder. And proof printing by sequentially printing.

However, in a conventional gravure proofing machine, when there is only one plate cylinder for one impression cylinder, continuous printing is difficult, and when the color to be printed is exchanged. After stopping the operation of each device, it was necessary to remove the plate cylinder and install a new plate cylinder.
In addition, a plurality of plate cylinders must be stored in a different location from the proofing machine for color exchange, and a separate storage space is required.

Therefore, an object of the present invention is to provide a proofing machine having a plurality of plate cylinders that facilitates the work of exchanging colors to be printed and enables continuous printing.

According to the present invention, a housing is installed on a base, an impression cylinder and a plate cylinder corresponding to the impression cylinder are provided in the housing, and ink on the surface of the plate cylinder is formed on the surface of the base paper wound around the impression cylinder. In a proofing machine that applies and prints, a pair of frames that face and separate from each other at a predetermined interval are provided on the base, and a rotary shaft that is supported by the pair of frames is provided. A pair of discs corresponding to a pair of frames are provided, a plurality of plate cylinders arranged parallel to the rotation shaft and around the rotation shafts and supported by the pair of discs are provided, Providing a pair of clamping shafts for clamping both ends, providing a clamping shaft driving device for moving one of the pair of clamping shafts forward and backward, and providing a rotation driving device connected to the other of the rotating shaft and the pair of clamping shafts; A plate cylinder lifting device for lifting the plate cylinder is provided. The impression cylinder is arranged so as to correspond to any one of the plate cylinders, an impression cylinder driving device for rotating the impression cylinder is provided, and the impression cylinder is moved toward the plate cylinder side to apply printing pressure. A printing pressure adjusting device is provided.

This invention makes it easy to change the color to be printed by a plurality of plate cylinders and enables continuous printing.

FIG. 1 is a front view of the calibration machine. Example 1 FIG. 2 is a right side view of the calibration machine. Example 1 FIG. 3 is a plan view of the calibration machine. Example 1 FIG. 4 is a left side view of the calibration machine. Example 1 FIG. 5A is a front view from the inside of the left frame. FIG. 5B is a right side view of the left frame. Example 1 FIG. 6A is a left side view of the right frame. FIG. 6B is a front view from the inside of the right frame. Example 1 FIG. 7 is a front view of the rotating shaft. Example 1 FIG. 8A is a front view from the inside of the left disk. FIG. 8B is a right side view of the left disk. Example 1 FIG. 9A is a left side view of the right disk. FIG. 9B is a front view from the inside of the right disk. Example 1 FIG. 10A is a front view from the inside of the bracket. FIG. 10B is a right side view of the bracket. Example 1 FIG. 11 is a partial cross-sectional view of the left side of the calibration machine. Example 1 FIG. 12 is a partial sectional view on the right side of the calibration machine. Example 1 FIG. 13 is an enlarged left side view of the plate cylinder. Example 1 FIG. 14 is a schematic configuration diagram of an ink supply device and an ink scraping device. Example 1 FIG. 15 is a schematic configuration diagram of the calibration machine. Example 1 FIG. 16 is a block diagram of the control system of the calibration machine. Example 1 FIG. 17 is a schematic configuration diagram of a proofing machine provided with an ink amount adjusting tool. (Example 2) FIG. 18 is a configuration diagram of an automatic ventilation system. (Example 3) FIG. 19 is a block diagram of a manual ventilation method. Example 4 FIG. 20 is a block diagram of a control system of a calibration machine having a temperature detection sensor. (Example 5) FIG. 21 is a block diagram of a control system of a calibration machine including an area sensor. (Example 6)

The present invention realizes the purpose of facilitating replacement work of a color to be printed and enabling continuous printing by providing a plurality of plate cylinders.

1 to 16 show Embodiment 1 of the present invention.
As shown in FIGS. 1 to 4, the proofing machine 1 is for gravure printing and includes a base 2 and a housing 3 installed on the base 2.
The housing 3 includes a left case portion 4, a right case portion 5 that faces the left case portion 4 in the left-right direction, and a central case portion 6 that connects the left case portion 4 and the right case portion 5. A work opening 7 is formed in the center case 6 on the front side.

On the base 2, a left frame 8 is erected at a position corresponding to the left case part 4 in the housing 3, and a right frame 9 is erected at a position corresponding to the right case part 5. The left side frame 8 and the right side frame 9 are spaced apart from each other at a predetermined interval in the left-right direction and are opposed to each other.
As shown in FIGS. 5A and 5B, the left frame 8 is formed in a vertically long rectangular shape, and has a left shaft hole 10 at a substantially central portion.
As shown in FIGS. 6 (A) and 6 (B), the right frame 9 has the same configuration as the left frame 8, is formed in a vertically long rectangular shape, and has a right shaft hole 11 at a substantially central portion. Yes.

As shown in FIG. 1, a rotating shaft 12 is supported horizontally on the left frame 8 and the right frame 9.
As shown in FIG. 7, the rotary shaft 12 is made of a hollow tube, and is supported by a left end shaft portion 14 supported by a left side closing portion 13 attached to the left end, and a right end supported by a right side closing portion 15 attached to the right end. A shaft portion 16 is provided.
Further, the rotary shaft 12 is provided with a left connecting flange 17 projecting radially from the outer peripheral surface on the left side and a right connecting flange 18 projecting radially from the outer peripheral surface on the right side.
A plurality of left connection holes 19 are formed in the left connection flange 17 at equal intervals in the circumferential direction. A plurality of right connection holes 20 are formed in the right connection flange 18 at equal intervals in the circumferential direction.
As shown in FIGS. 12 and 15, the rotating shaft 12 is intermittently rotated by one pitch by driving a rotational driving device 91 described later, and is intermittently rotated at all eight pitches.

As shown in FIG. 11, the left disk 21 is connected to the left connecting flange 17 of the rotating shaft 12.
As shown in FIGS. 8 (A) and 8 (B), the left disk 21 has a left shaft hole 22 through which the rotary shaft 12 penetrates and a plurality ( For example, eight left holding holes 23 and a plurality (for example, twelve) left screw holes 24 around the left shaft hole 22 are provided.
As shown in FIG. 11, the left connection flange 17 and the left disk 21 are connected by a left connection bolt 25 that is inserted into the left connection hole 19 and screwed into the left screw hole 24.

As shown in FIG. 12, the right disk 26 is connected to the right connection flange 18 of the rotating shaft 12.
As shown in FIGS. 9 (A) and 9 (B), the right disc 26 is configured in the same manner as the left disc 21 and has a right shaft hole 27 that penetrates the rotary shaft 12 and a circle along the outer peripheral portion. A plurality of (for example, eight) right holding holes 28 arranged at equal intervals in the circumferential direction and a plurality (for example, twelve) right screw holes 29 around the right shaft hole 27 are provided.
As shown in FIG. 12, the right connection flange 18 and the right disk 26 are connected by a right connection bolt 30 that is inserted into the right connection hole 20 and screwed into the right screw hole 29.

As shown in FIG. 11, the left end shaft portion 14 of the rotating shaft 12 is provided with a left attachment portion 32 having a left bearing 31. The left attachment portion 32 is supported on the left frame 8 by a plurality of left fixing bolts 33. The left end shaft portion 14 of the rotating shaft 12 is rotatably supported by the left mounting portion 32. The left protruding annular portion 34 of the left attachment portion 32 is inserted into the left shaft hole 10 of the left frame 8.

As shown in FIG. 12, the right end shaft portion 16 of the rotating shaft 12 is provided with a right attachment portion 36 having a right bearing 35. The right attachment portion 36 is held on the right frame 9 by a plurality of right fixing bolts 37. The right end shaft portion 16 of the rotating shaft 12 is rotatably supported by the right mounting portion 36. The right protruding annular portion 38 of the right attachment portion 36 is inserted into the right shaft hole 11 of the right frame 9.

Further, as shown in FIG. 12, a bracket 39 made of a torus is attached to the outer peripheral surface of the right end portion of the rotating shaft 12 with mounting bolts 40.
As shown in FIGS. 10 (A) and 10 (B), the bracket 39 has outer peripheries at locations corresponding to the shaft holes 41 penetrating the rotating shaft 12 and the right holding holes 28 of the right disk 26. A plurality (eight) of insertion holes 42 are provided at equal intervals in the circumferential direction along the portion.
As shown in FIG. 12, a communication gear 43 is attached to the outer peripheral surface of the right end portion of the rotating shaft 12 along with the bracket 39. An end plate 45 fixed to the right closing portion 15 with a fixing bolt 44 is attached to the right end portion of the rotating shaft 12 so as to hold the communication gear 43.

As shown in FIG. 11, each left holding shaft 47 (all eight) is inserted into each left holding hole (all eight) 23 of the left disk 21 via each left holding portion (all eight) 46. Be placed. Each left holding part 46 is fixed to the left disk 21 by each left fixing bolt 48.
The left sandwiching shaft 47 is hollow and includes a left cone 49 formed at the tip so as to squeeze forward (rightward).
An annular one side end member 50 is disposed in the base end of the left clamping shaft 47. An attachment member 51 is disposed on the proximal end side of the left clamping shaft 47. The attachment member 51 is fixed to the left holding portion 46 by a plurality of attachment rods 52 arranged in the axial direction along the outer peripheral surface of the left clamping shaft 47.
A proximal end portion of the connecting rod 53 that passes through the one side end member 50 and is inserted into the left holding shaft 47 is attached to the central portion of the attachment member 51. An annular other side end member 54 disposed so as to be in contact with the inner peripheral surface of the left clamping shaft 47 is attached to the distal end portion of the connecting rod 53.
The left clamping shaft 47 is slid in the left holding portion 46 by the driving of a clamping shaft driving device 92 described later, and is moved forward and backward in the left-right direction. Further, the left clamping shaft 47 is rotatably held in the left holding portion 46.

As shown in FIG. 12, each right holding shaft 56 (all eight) is inserted into each right holding hole (all eight) 28 of the right disk 26 via each right holding portion (all eight) 55. Be placed. Each right holding part 55 is fixed to the right disk 26 by each right fixing bolt 57.
The right clamping shaft 56 includes a right cone 58 formed at the tip so as to be narrowed forward (leftward).
A center hole 59 is formed in the right clamping shaft 56 from the center portion at the right end. A support shaft 60 is inserted into the central hole 59. The support shaft 60 is fixed to the right clamping shaft 56 via the holding member 61. Therefore, the support shaft 60 is integrally connected to the right clamping shaft 56.
A first flange 62 is splined to the outer peripheral surface at the right end of the right clamping shaft 56.
A gear 63 is fixed to the support shaft 60 adjacent to the holding member 61.
The right end side of the support shaft 60 with respect to the gear 63 is inserted into the insertion hole 42 of the bracket 39 and is rotatably held in the insertion hole 42 of the bracket 37 via the collar portion 64.
An outer flange 65 is attached to the right end of the support shaft 60 adjacent to the collar portion 64.
A distal end of a handle rod 67 connected to the vertical register fine adjustment handle 66 is coupled to the other side flange 65.
The right clamping shaft 56 is connected to a rotation driving device 91 described later, and is rotatably held in the right holding portion 55. The rotation driving device 91 rotates a right clamping shaft 56 to rotate a later-described plate cylinder 68 that is sandwiched between the right clamping shaft 56 and the left clamping shaft 47. In this case, the left clamping shaft 47 is rotated simultaneously with the rotation of the right clamping shaft 56 and the plate cylinder 68.

As shown in FIG. 1, both ends of the plate cylinder 68 are sandwiched between the left cone 49 of the left sandwiching shaft 47 and the right cone 58 of the right sandwiching shaft 56.
The plate cylinder 68 is parallel to the rotation shaft 12 and is arranged around the rotation shaft 12 and is supported by the left disk 21 and the right disk 26, and as shown in FIG. 69. Further, a left fitting hole 70 and a right fitting hole 71 into which the left cone 49 and the right cone 58 are fitted are formed at both ends of the plate cylinder 68.
In the proofing machine 1 according to this embodiment, for example, eight plate cylinders 68 are provided at equal intervals in the circumferential direction around the rotary shaft 12, thereby being able to cope with eight different colors, and one plate The body 68 is rotated (revolved) around the rotating shaft 12 at a pitch along with the rotation of the rotating shaft 12.

As shown in FIG. 14, the calibration machine 1 includes an ink supply device 72 and an ink scraping device 73.
The ink supply device 72 attaches ink to the surface of the plate cylinder 68 and includes a supply pump 74, a supply pipe 75, and a supply valve 76. The supply pump 74 is driven by a control unit 98 of an operation panel 97 described later.
The ink scraping device 73 is arranged around the plate cylinder 68 to scrape excess ink on the surface of the plate cylinder 68, and the doctor 77 is placed at a predetermined distance from the plate cylinder 68. And an arm 79 that connects the doctor 77 and the actuator 78 to each other. The actuator 78 is driven by the control unit 98 of the operation panel 97 described later.
The doctor 77 is operated via an arm 79 in a direction in which it contacts and separates from the surface of the plate cylinder 68 in conjunction with the movement of a printing pressure adjusting device 88 that operates a pressure cylinder 83 described later.
The ink supplied from the supply valve 76 of the ink supply device 72 is supplied before the doctor 77. Thereby, the doctor 77 can scrape off excess ink on the surface of the plate cylinder 68 overflowing from the recess 69 of the plate cylinder 68.

As shown in FIGS. 1 and 15, a plate cylinder lift device 80 is installed on the base 2.
As shown in FIG. 15, the plate cylinder lift device 80 includes a lift unit 81 and a holding unit 82. For example, the front end of the holding unit 82 supports the lower part of the plate cylinder 68 to set the plate cylinder 68 at a predetermined position. Is. The plate cylinder 68 can be set by an operator.

As shown in FIG. 1, a pressure cylinder 83 corresponding to the plate cylinder 68 and parallel to the plate cylinder 68 is disposed in the housing 3 on the front side and the lower side.
As shown in FIG. 1, the impression cylinder 83 includes a left end shaft 84 and a right end shaft 85, and is arranged corresponding to any one of the plate cylinders 68.
A pressure drum driving device 86 for rotating the pressure drum 83 is disposed on the left end shaft 84 of the pressure drum 83. The impression cylinder driving device 86 is hydraulic and includes a hydraulic unit 87. The hydraulic unit 87 is driven by a control unit 98 of an operation panel 97 described later.
The left end shaft 84 and the right end shaft 85 of the impression cylinder 83 are connected to a printing pressure adjusting device 88.
The printing pressure adjusting device 88 includes a left cylinder 89 corresponding to the left end shaft 84 of the impression cylinder 83 and a right cylinder 90 corresponding to the right end axis 85 of the impression cylinder 83 so as to bring the impression cylinder 83 toward the plate cylinder 68 side. The printing pressure applied to the base paper is adjusted to move the impression cylinder 83 away from the plate cylinder 68 after printing.

As shown in FIGS. 12 and 15, a rotation driving device 91 is connected to the support shaft 60 connected to the right end shaft portion 16 of the rotation shaft 12 and the right end portion of the plate cylinder 68.
The rotation drive device 91 is composed of a motor, a gear mechanism, and the like, and rotates the rotating shaft 12 by one pitch and rotates the plate cylinder 68 at a predetermined time during printing. The rotation drive device 91 is driven by a control unit 98 of an operation panel 97 described later.

As shown in FIG. 11, a clamping shaft driving device 92 that moves the left clamping shaft 47 back and forth in the left-right direction is provided at the base end of the left clamping shaft 47.
The clamping shaft driving device 92 pushes the left clamping shaft 47 so as to clamp the plate cylinder 68 between the left cone 49 of the left clamping shaft 47 and the right cone 58 of the right clamping shaft 56, while holding the left clamping shaft 92. The plate cylinder 68 can be removed by retracting the shaft 47.

Further, as shown in FIG. 1, a plate cylinder check manual switching valve 93 is installed in the housing 3 at the left case portion 4, and an air intake port 94 and an exhaust port 95 are formed as shown in FIG. In addition, a monitor 96 is installed.
As shown in FIG. 1, an operation panel 97 is attached to the right case portion 5, and a vertical register fine adjustment handle 66 is installed.
The operation panel 97 includes a control unit 98 as shown in FIG.
As shown in FIG. 16, the control unit 98 includes an ink supply device 72, an ink scraping device 73, an impression cylinder driving device 86, a printing pressure adjusting device 88, a rotation driving device 91, and a clamping shaft driving device. 92 is connected.

Next, the operation of the calibration machine 1 according to the first embodiment will be described.
In attaching the plate cylinder 68, first, the movement of the rotary shaft 12, the left disk 21 and the right disk 26 is stopped, the plate cylinder 68 is lifted, and the left clamping shaft 47 is pushed forward to move the plate cylinder. 68 is disposed between the left cone 49 of the left clamping shaft 47 and the right cone 58 of the right clamping shaft 56, and both ends of the plate cylinder 68 are clamped by the left cone 49 and the right cone 58. As a result, the plate cylinder 68 is firmly held between the left clamping shaft 47 and the right clamping shaft 56.
The impression cylinder 83 is separated from the impression cylinder 68 during the movement of the impression cylinder 68, and is moved so as to approach the impression cylinder 68 by driving the printing pressure adjusting device 88 (one pitch), and is wrapped around the base paper. Is given a predetermined printing pressure. At the same time, the doctor 77 of the ink scraping device 73 is operated so as to approach the plate cylinder 68 at a predetermined distance.
Then, ink of a desired color is attached to the surface of the plate cylinder 68 from the ink supply device 72. At this time, the ink overflowing from the concave portion 69 of the plate cylinder 68 is scraped off by the doctor 77 of the ink scraping device 73.
At the time of printing on the base paper, the base paper is wound around the impression cylinder 83, the impression cylinder 83 and the plate cylinder 68 are simultaneously rotated, and printing is performed by applying the ink of the concave portion 69 on the surface of the base cylinder 68 to the surface of the base paper. Is called.
After printing, the impression cylinder 83 is retracted by the printing pressure adjusting device 88, and the rotating shaft 12, the left disk 21 and the right disk 26 are intermittently rotated at a constant pitch by the rotation driving device 91. Then, the next plate cylinder 68 is rotated to a position corresponding to the impression cylinder 83, and printing is performed sequentially to perform proof printing.

As a result, according to the first embodiment, by providing a plurality of plate cylinders 68 with respect to one impression cylinder 83, various different colors can be easily exchanged, and the exchange work of the color to be printed is easy. In addition, continuous printing is possible.
Further, a plurality of plate cylinders 68 can be accommodated in the housing 3, and the housing 3 functions as a storage space for the plate cylinders 68, so that no separate storage space is required for the plate cylinders 68. Each plate cylinder 68 inside the housing 3 can be easily handled, and replacement work and the like can be performed quickly.

FIG. 17 shows a second embodiment of the present invention.
In the following embodiments, portions that perform the same functions as those in the first embodiment will be described with the same reference numerals.
The features of the second embodiment are as follows. That is, the ink amount adjusting device 101 is disposed around the plate cylinder 68. The ink amount adjusting device 101 includes a moving body (for example, having an arc shape) 102, an actuator 103, and an arm 104 that connects the moving body 102 and the actuator 103, and the moving body 102 is an ink scraping device 73. It is arranged in front of the doctor 77. The ink amount adjusting device 101 is driven by the control unit 98 of the operation panel 97 to operate the moving body 102 so as to come in contact with and separate from the plate cylinder 68 and the doctor 77.
With such a structure, by moving the moving body 102 to and away from the doctor 77, the ink is prevented from scattering on the surface of the plate cylinder 68, and the amount of ink on the surface of the plate cylinder 68 is adjusted. Printing can be performed properly.

FIG. 18 shows Embodiment 3 of the present invention.
The features of the third embodiment are as follows. That is, the calibration machine 1 automatically performs odor management, and is provided with a lid portion 111 that opens and closes an exhaust port 95 formed in the housing 3 and an opening / closing drive device 112 that opens and closes the lid portion 111. The opening / closing drive device 112 includes an actuator 113 and an arm 114 that connects the actuator 113 and the lid 111. Further, in the housing 3, an odor amount detection sensor 115 for detecting that an odor of a predetermined amount or more is generated is provided. The opening / closing drive device 112 is operated by the control unit 98 of the operation panel 97.
According to such a structure, when the odor amount detection sensor 115 detects that an odor of a predetermined amount or more has occurred in the housing 3, the lid 111 is opened by driving the opening / closing drive device 112, and the exhaust port Open 95.
As a result, the inside of the housing 3 can be ventilated, and the strong odor of the ink inside the proofing machine 1 can be discharged, and condensation can be prevented from occurring on the plate cylinder 68 due to the heat of vaporization of the ink.

FIG. 19 shows Embodiment 4 of the present invention.
The features of the fourth embodiment are as follows. That is, in the calibration machine 1, odor management is performed manually, and a lid 121 that opens and closes the exhaust port 95 formed in the housing 3 is provided, and an opening and closing drive device 122 that opens and closes the lid 121 is provided. The opening / closing drive device 122 includes an operation rod 123 connected to the lid 121 and an operation knob 124 at the tip of the operation rod 123.
According to such a structure, when a strange odor is generated in the housing 3 of the calibration machine 1, the operation knob 124 is grasped and the operation rod 123 is operated, and the exhaust port 95 is opened to ventilate the housing 3. The strong odor of the ink inside the proofing machine 1 can be discharged, and condensation can be prevented from occurring on the plate cylinder 68 due to the heat of vaporization of the ink.

FIG. 20 shows Embodiment 5 of the present invention.
The features of the fifth embodiment are as follows. That is, the calibrator 1 automatically performs temperature management, and is provided with a lid 131 that opens and closes an exhaust port 95 formed in the housing 3 and an opening and closing drive device 132 that opens and closes the lid 131. The opening / closing drive device 132 includes an actuator 133 and an arm 134 that connects the actuator 133 and the lid 131.
In addition, a temperature detection sensor 135 that detects that the internal temperature has become equal to or higher than a predetermined temperature is provided in the housing 3. The temperature detection sensor 135 is connected to the control unit 98 of the operation panel 97. The housing 3 is provided with a blower 136 for introducing outside air into the housing 3. The blower 136 is connected to the control unit 98. The actuator 133 and the blower 136 are driven by the control unit 98.
With such a structure, when the temperature detection sensor 135 detects that the temperature in the housing 3 has become equal to or higher than the predetermined temperature, the lid 131 is opened by driving the opening / closing drive device 132 to open the exhaust port 95. At the same time, outside air is introduced into the housing 3 by driving the blower 136.
Thereby, when the temperature in the housing 3 becomes equal to or higher than the predetermined temperature, the heated air in the housing 3 can be efficiently discharged, and the temperature in the housing 3 can be reliably controlled. Condensation can be prevented from occurring inside.

FIG. 21 shows Embodiment 6 of the present invention.
The features of the sixth embodiment are as follows. That is, the calibration machine 1 is provided with, for example, an area sensor 141. The area sensor 141 is installed on the base 2 or the housing 3, for example. The area sensor 141 is connected to the control unit 98 of the operation panel 97. When the operator approaches the calibration machine 1 within a predetermined distance, the area sensor 141 detects that and outputs it to the control unit 98.
According to such a configuration, when an operator approaches the calibrator 1 within a predetermined distance, the control unit 98 drives all the devices of the calibrator 1 by the output signal from the area sensor 141. To stop. Thereby, protection of an operator can be aimed at.

The calibration machine according to the present invention can be applied to various printing devices.

DESCRIPTION OF SYMBOLS 1 Calibration machine 2 Base 3 Housing 8 Left frame 9 Right frame 12 Rotating shaft 21 Left disk 26 Right disk 47 Left clamping shaft 49 Left cone 56 Right clamping shaft 58 Right cone 68 Plate cylinder 69 Recess 72 on the surface of the plate cylinder 72 Ink supply device 73 Ink scraping device 77 Doctor of ink scraping device 80 Plate cylinder lift device 83 Impression cylinder 86 Impression cylinder drive device 88 Printing pressure adjustment device 91 Rotation drive device 92 Nipping shaft drive device 97 Operation panel 98 Control unit

Claims

A housing is installed on the base, an impression cylinder and a plate cylinder corresponding to the impression cylinder are provided in the housing, and ink on the surface of the plate cylinder is applied to the surface of the base paper wound around the impression cylinder. In a proofing machine that performs printing, a pair of frames that are opposed to each other at a predetermined interval are erected on the base, a rotation shaft that is supported by the pair of frames is provided, and the rotation shaft includes a pair of frames. A pair of corresponding discs are provided, a plurality of plate cylinders arranged parallel to the rotation shaft and around the rotation shaft and supported by the pair of discs are provided, and both ends of the plate cylinder are sandwiched. A pair of sandwiching shafts, a sandwiching shaft drive device for moving one of the pair of sandwiching shafts forward and backward, a rotational drive device coupled to the other of the rotating shaft and the pair of sandwiching shafts, and a plate cylinder A plate cylinder lifting device for lifting is provided, and a plurality of the plate cylinders are provided. The impression cylinder is disposed so as to correspond to any one of the above, an impression cylinder driving device for rotating the impression cylinder is provided, and a printing pressure adjustment for applying a printing pressure by bringing the impression cylinder toward the plate cylinder side A calibration machine having a plurality of plate cylinders, characterized in that an apparatus is provided.
An ink scraping device comprising a doctor disposed around the plate cylinder to scrape off excess ink on the surface of the plate cylinder, and an actuator that operates the doctor to be at a predetermined distance from the plate cylinder. A proofing machine having a plurality of plate cylinders according to claim 1.
An odor amount detection sensor is provided that includes a lid portion that opens and closes an exhaust port formed in the housing, an opening / closing drive device that opens and closes the lid portion, and detects that an odor of a predetermined amount or more is generated in the housing. Provided, and when the odor amount detection sensor detects that an odor of a predetermined amount or more is generated in the housing, the opening / closing drive device is driven to open the lid portion to open the exhaust port. The calibrating machine having a plurality of plate cylinders according to claim 1, further comprising a portion.
A lid for opening and closing the exhaust port formed in the housing is provided, an opening and closing drive device for opening and closing the lid is provided, and a temperature detection sensor for detecting that the temperature in the housing is equal to or higher than a predetermined temperature is provided. A blower for introducing outside air into the housing, and when the temperature detection sensor detects that the temperature in the housing has reached a predetermined temperature or more, the opening / closing drive device is driven to open the lid. The calibrating machine having a plurality of plate cylinders according to claim 1, further comprising a control unit that is operated to open the exhaust port and drives the blower to introduce outside air into the housing.
An area sensor for detecting that the worker has approached within a predetermined distance is provided, and when the area sensor detects that the worker has approached within a predetermined distance, a control unit for stopping driving of all devices is provided. The calibration machine having a plurality of plate cylinders according to claim 1, wherein the calibration machine is provided.