JPWO2008133251A1 - Gravure plate making factory - Google Patents

Abstract

A gravure engraving roll with diamond-like carbon (DLC) formed on the copper plating layer of the gravure cylinder and a fully automated system that uses technology used as a surface-enhanced coating layer, enabling unattended operation even at night To provide a fully automatic gravure plate making factory. Copper plating means, gravure cell forming means for forming a gravure cell on the copper-plated hollow roll, and base metal plating layer for forming a base metal plating layer on the hollow roll on which the gravure cell is formed Forming means, DLC film forming means for forming a DLC film on the hollow roll plated with the base metal, the copper plating means to the gravure cell forming means, and the gravure cell forming means to the base metal plating layer forming means And at least one transfer means for sequentially transferring the hollow rolls from the base metal plating layer forming means to the DLC film forming means.

Description

  The present invention relates to a fully automatic production system for a gravure printing roll which can be provided with a surface-strengthening coating layer having sufficient strength without using chrome plating, and in particular, diamond as a surface-strengthening coating layer replacing a chromium layer. The present invention relates to a gravure plate making factory in which a like carbon (DLC) layer is provided.

  The conventional gravure printing roll manufacturing process consists of degreasing the hollow roll, applying copper sulfate plating, performing precision cylinder processing with a grindstone polishing device, coating and forming a photosensitive film, and printing and developing images by laser exposure. Then, it corrodes to form a cell, peels off the resist, attaches chrome plating, and removes it with a grain by paper polishing. For iron hollow rolls, copper sulfate plating is applied after degreasing and nickel plating, and for aluminum hollow rolls, copper sulfate is applied after the zincate or anodal plating pretreatment. A processing step of plating was performed.

  In gravure printing, for a gravure printing roll (gravure cylinder), a micro concave portion (gravure cell) corresponding to the plate making information is formed to produce a plate surface, and the gravure cell is filled with ink and transferred to a printing material. is there. In general gravure plate making rolls, a copper plating layer (plate material) for forming a plate surface is provided on the surface of a plate base material such as aluminum or iron, and a number of minute concave portions are formed on the copper plating layer according to plate making information by etching. (Gravure cell) is formed, and then a hard chromium layer is formed by chromium plating for increasing the printing durability of the gravure plate making roll to form a surface-enhanced coating layer, and plate making (plate surface production) is completed. However, because highly toxic hexavalent chromium is used in the chromium plating process, there is an extra cost to maintain work safety, and there is also a problem of pollution, and the surface-enhanced coating layer replaces the chromium layer. The current situation is that the appearance of

  On the other hand, for manufacturing a gravure plate roll (gravure cylinder), a technique is known in which a diamond-like carbon (DLC) film is formed on a copper plating layer on which a cell is formed and used as a surface reinforcing coating layer (Patent Document 1). The DLC film has a problem that its adhesion to copper is weak and it is easy to peel off. In addition, the applicant of the present application has already proposed a technique for forming a gravure printing plate by forming a rubber or resin layer on a plate base material, forming a diamond-like carbon (DLC) film thereon, and then forming a cell. (Patent Documents 2 to 4).

  On the other hand, the applicant of the present invention leans a large number of plate-making rolls diagonally on the roll pallet so that the surface length direction of the plate-making rolls coincides with the industrial robot that can reciprocate and the bus of the conical surface. Turntable type roll stock device and grinding wheel polishing device that can be used, industrial robots take out the pre-made roll stocked in the roll stock device and deliver it to the device, copper sulfate plating-polishing-photosensitive film coating -A printing factory and a gravure plate making factory for a gravure printing plate making plate by a process of image printing by laser, development and etching are proposed (Patent Document 5).

  In addition, the applicant of the present application includes an industrial robot and a roll loading / unloading device that can reciprocate and a roll stock device that can stock a large number of plate-making rolls and a grindstone polishing device. Take out the stocked rolls that have been stocked, transfer them to the equipment, and make a plate factory for the rolls for gravure printing that performs copper sulfate plating-polishing-photosensitive film coating-image printing with laser-development-etching process Proposed (Patent Document 6)

Further, the applicant of the present application is at least a degreasing device, a copper sulfate plating device, nickel alloy plating instead of chromium plating of any one of Ni-P, Ni-W, and Ni-B as plating line equipment, or Any one of these chromium plating alternative nickel alloy plating, chromium plating alternative nickel alloy plating eutecting dispersed fine particles such as SiC, Al ₂ O ₃ , TiC, ZrC, etc. on the copper sulfate plating surface on which the cells are formed Equipped with a nickel alloy plating device that replaces the chrome plating to carry several μm in order to carry the printing durability, and further equipped with a quenching device that quenches the nickel alloy plating that replaces the chromium plating attached to the plate making roll outside the plating line. In addition, a robot that can be handled by chucking the plate-making roll at both ends adjacent to one end of the plating line equipment line. A reciprocating industrial robot having a hand is provided, and a large number of plate-making rolls are placed on a roll pallet in the handling area of the industrial robot so that the surface length direction of the plate-making roll coincides with the generatrix line. A turntable type roll stock device that can be leaned in one or two stages in a circumferential arrangement diagonally and can stop any roll pallet at a predetermined position for stocking or taking out the plate making roll from the roll pallet. A gravure printing substrate, wherein the industrial robot is configured to move a plate-making roll between a roll stock device and a roll handling means of a plating line facility. A plate making roll plating factory is proposed (Patent Document 7).

  In addition, the applicant of the present application is a double coating apparatus and a wet polishing apparatus for coating a robot traveling zone A with a traveling industrial robot, a laser exposure apparatus, a photosensitive agent, and an antioxidant for the photosensitive agent. A roll mounting table for horizontally mounting the rolls, a roll loading / unloading chamber, a crane traveling zone B adjacent to the robot traveling zone A, a degreasing device, a copper plating device, a developing device, a corrosion device, A resist stripping device, a chromium plating device, and a cassette-type roll chuck device mounting table are installed, and a stacker crane is installed on the ceiling. The traveling industrial robot avoids chuck holes at both ends of the plate-making roll. The laser exposure device, the double coating device, and the wet polishing device are provided with a hand for chucking the end surface. The stacker crane has a pair of horizontally opposed chuck cones that chuck the chuck holes at both ends of the plate roll, and transfers the plate making roll to and from the traveling industrial robot. The cassette type roll chuck device is configured to lift and convey a chuck device, and the cassette type roll chuck device has a pair of chuck cones that can be energized by chucking chuck holes at both ends of a plate-making roll positioned horizontally and the outside of each chuck cone. The cassette-type roll having a waterproof cap for sealing, wherein the degreasing device, the copper plating device, the developing device, the corrosion device, the resist stripping device, and the chrome plating device are conveyed by the stacker crane A chuck device is placed and chucked by the cassette type roll chuck device. The roll-in / out chamber C includes a cart loading / unloading door device facing the outside and a roll loading / unloading door device facing the robot travel zone A, and the roll loading / unloading chamber C is disposed via the cart loading / unloading door device. The carriage can be taken in and out, and the traveling industrial robot receives the plate making roll R on the carriage in the roll loading and unloading chamber C through the roll loading and unloading door device or places the plate making roll R on the carriage. The cassette-type roll chuck device mounting table is provided in a plurality, and at least one is installed adjacent to the partition wall of the crane travel zone B and enters through the door device provided on the partition wall. The plate-making roll is allowed to be delivered between the robot robot hand and the cassette type roll chuck device mounted on the mounting table. A gravure plate factory (Patent Document 8) is also proposed.

  In addition, the applicant of the present application fits the chucked holes on both end faces of the plate-making roll with a pair of chuck cones, and abuts the waterproof cylinder on the outer side of each chuck cone to the plate-making roll. A cassette-type hollow roll automatic desorption device configured to rotate the plate-making roll when it is supported on both ends and placed on the roll processing device and to pass a plating current to the plate-making roll as needed is lifted and conveyed. And an overhead traveling stacker crane that delivers a cassette-type hollow roll automatic detaching device to and from the roll processing device, and a preprocessing device before plating, a plating device, and a polishing device as the roll processing device A series of processing equipment that coats an electronic engraving device or a photosensitive film to form an exposure latent image, and develops and etches it to make a plate, or a corrosion-resistant black film and a laser ablation In a plate making line system for gravure printing, comprising a plating / polishing / plate making factory equipped with a series of processing equipment for processing and etching and making a plate, and a main computer for overall control of each processing equipment of the factory, Is at least a customer identification number, a roll identification number, a processing course identification number, a processed processing number, a detaching device identification number, and a roll length for each plate-making roll, each roll processing device, and each cassette type hollow roll automatic detaching device In addition to inputting the roll outer diameter data, the processing number array for each processing course is stored, the IC tag is attached to the plate making roll, the roll identification number is stored in the IC tag, and the cassette type hollow roll An IC tag is attached to the automatic desorption device, the desorption device identification number is stored in the IC tag, and the plate making roll is supported when it is supported. The main computer stores the roll identification number of the plate-making roll and moves the stacker crane to the one roll processing device when the processed signal is input from the one roll processing device. The control signal is sent to the machine and the stacker crane so that the stacker crane receives the cassette type hollow roll automatic detaching device. At that time, the antenna attached to the stacker crane is attached to the IC tag attached to the cassette type hollow roll automatic detaching device. A process in which the attachment / detachment apparatus identification number and the roll identification number are read from the IC tag in close proximity and confirmed, the processed process number corresponding to the one roll processing apparatus is stored in the computer itself, and stored in the computer itself Determine what the process of the next process is from the process number array by course, and set the cassette type hollow roll automatic desorption device to the next Gravure printing characterized in that it is configured to proceed with processing of a plate-making roll supported at both ends by a cassette-type hollow roll automatic detaching device by controlling a stacker crane so as to be delivered to one roll processing device A processing method for a plate making roll for use (Patent Document 9) is also proposed.

Further, the applicant of the present application is capable of gripping the hollow roll at both end faces thereof so as to be rotatable and energized, and the cassette-type hollow roll automatic desorption device capable of preventing the processing liquid from entering the inside of the hollow roll. A cassette that can be transported by gripping the hollow roll, and this cassette is transported and mounted on a predetermined processing device by a transport device, and in this processing device, a predetermined process is performed while rotating the hollow roll. A plating method for the outer peripheral surface of a hollow roll (Patent Document 10) or the like is also proposed in which the cassette is disassembled after being transported to a processing apparatus and subjected to a predetermined processing.
JP-A-4-282296 Japanese Patent Laid-Open No. 11-309950 JP-A-11-327124 JP 2000-15770 A Japanese Patent Laid-Open No. 2004-223751 Japanese Patent Laid-Open No. 2004-225111 JP 2004-232028 A JP-A-10-193551 JP 2002-205369 A Japanese Patent Publication No.57-36995

  The present invention has been made in view of the above-mentioned problems of the prior art. After forming a base metal plating layer on the copper plating layer of the gravure cylinder, a diamond-like carbon (DLC) film is formed, and the surface-enhanced coating layer is formed. It is a factory that employs a system that fully automates the technology used, and aims to provide a fully automatic gravure plate making factory for producing gravure printing rolls that can be operated unattended even at night.

  In order to solve the above problems, the gravure plate making factory of the present invention is a gravure plate making factory for producing a gravure printing roll used for gravure printing, and copper plating means for copper plating on a hollow roll, A gravure cell forming means for forming a gravure cell on the copper-plated hollow roll; a base metal plating layer forming means for forming a base metal plating layer on the hollow roll on which the gravure cell is formed; DLC film forming means for forming a DLC film on a hollow roll formed with a base metal plating layer, from the copper plating means to the gravure cell forming means, from the gravure cell forming means to the base metal plating layer forming means, At least for sequentially transferring the hollow rolls from the base metal plating layer forming means to the DLC film forming means. And One of the transport means, characterized in that it comprises a.

  A stacker crane is preferably used as the transfer means.

  The base metal plating layer is preferably a metal plating layer selected from the group consisting of nickel (Ni), cobalt (Co), and iron (Fe), and nickel is particularly preferable.

  The DLC film is preferably formed by a PVD method.

  The thickness of the copper plating layer formed by the copper plating is 50 to 200 μm, the depth of the gravure cell is 5 to 150 μm, the thickness of the base metal plating layer is 0.1 to 5 μm, and the thickness of the DLC film Is preferably 0.1 to 10 μm.

  Further, in order to improve the adhesion of the DLC film, tungsten (W), silicon (Si), titanium (Ti), chromium (Cr), tantalum (Ta), and zirconium ( It is good also as a structure which provides the metal layer which consists of 1 type, or 2 or more types of metals chosen from the group which consists of Zr).

  A metal carbide layer may be further provided on the surface of the metal layer. The metal carbide layer is preferably a metal carbide gradient layer, and the carbon composition ratio in the metal carbide gradient layer is set so that the carbon ratio gradually increases from the metal layer side to the DLC coating direction. Is more preferred.

  The gravure cell may be formed by an etching method or an electronic engraving method, but an etching method is preferable. Here, the etching method is a method in which a gravure cell is formed by applying a photosensitive solution to the plate cylinder surface of a gravure cylinder and baking it directly, and then etching. The electronic engraving method is a method of engraving a gravure cell on a copper surface of a gravure cylinder by mechanically operating a diamond engraving needle by a digital signal.

  Further, the DLC film forming means is capable of rotating and stacking a plurality of hollow rolls and being movable in the longitudinal direction of the hollow rolls, and a first revolving roll cassette apparatus and a second revolving roll cassette apparatus, A first revolving roll cassette device and a second revolving roll cassette device are arranged opposite to each other on an axis in the moving direction, and the first and second revolving roll cassette devices can be housed inside. A first storage type DLC film formation processing device and a second storage type DLC film formation processing device, wherein the base metal plating layer is formed on the first revolving roll cassette device and the second revolving roll cassette device. Stand-by position for loading and unloading hollow rolls and the first storage type DLC coating forming apparatus And the first or second revolving roll cassette device, which can be stopped at first and second processing positions for performing DLC film forming processing on the hollow roll in the second storage type DLC film forming processing device. Is stopped at the standby position when the hollow roll is not loaded, and the hollow roll is loaded. When the first or second revolving roll cassette apparatus is in the hollow roll loaded state, the first or second treatment is performed. It is preferable that the gravure plate-making roll is manufactured by stopping at the position and performing the DLC film forming process.

  Furthermore, the first revolving roll cassette apparatus loaded with the hollow rolls at the standby position stops moving to the second processing position, and is moved to the hollow rolls within the first storage type DLC film forming apparatus. While the DLC film forming process is performed and the DLC film forming process is being performed, the second revolving roll cassette device housed in the second storage type DLC film forming treatment apparatus is moved to the standby position. When the DLC film forming process is completed, the first revolving roll cassette device at the first processing position moves to the standby position, and the hollow roll is unloaded. At the same time, the second revolving type roll cassette apparatus loaded with the hollow rolls is the second storage type DLC film forming apparatus. And the DLC film forming process is performed on the hollow roll in the second storage-type DLC film forming processing apparatus, and the first or second revolving roll cassette device is configured to receive the first storage. It is preferable that the gravure plate-making roll is continuously manufactured by repeatedly storing and discharging from the mold DLC film forming processing apparatus or the second storage type DLC film forming processing apparatus.

  Furthermore, the zone in which the copper plating means is installed is referred to as A zone, the zone in which the gravure cell forming means is formed as B zone, and the base metal plating layer forming means and the DLC film forming means are provided in the zone. It is more preferable that the C zone is provided, an air purifying means is provided in the B zone, and the transfer means is provided in each of the A zone, the B zone, and the C zone. In order to divide into the A zone, the B zone, and the C zone, for example, a curtain or the like may be used.

  According to the present invention, a diamond-like carbon (DLC) is formed on a copper plating layer of a gravure cylinder, and the factory adopts a system that fully automates the technology used as a surface reinforcing coating layer. There is a remarkable effect that it is possible to provide a fully automatic gravure plate making factory for producing a possible gravure plate making roll.

FIG. 1 is a schematic plan view of a gravure plate making factory according to the present invention. It is a schematic side view of FIG.

Explanation of symbols

  10: Gravure plate making factory, 12: Hollow roll, 14: Entrance side relay box, 16: First stand, 18: Degreasing unit, 20: Pickling unit, 22: Washing unit, 24: First copper plating unit, 26 : Second copper plating unit, 28: polishing unit, 30: second mounting table, 32: first stacker crane, 34: photosensitive solution coating device, 36: rotary drying device, 38: laser exposure device, 40: developing device, 42: Third stand, 44: Second stacker crane, 46: Corrosion unit, 48: Dilute hydrochloric acid treatment device, 50: Washing device, 52: Resist stripping device, 54: Base metal plating layer forming means, 55: DLC film formation Means, 56a: first revolving roll cassette device, 56b: second revolving roll cassette device, 58a: first storage type DLC film type Processing device, 58b: second storage type DLC film forming processing device, 60: outlet side relay box, 62: third stacker crane, 64a, 64b: slide rail, 66: rotating shaft, F: floor surface, R: rail, TP1: first processing position, TP2: second processing position, WP: standby position.

  Embodiments of the present invention will be described below, but these embodiments are exemplarily shown, and it goes without saying that various modifications can be made without departing from the technical idea of the present invention.

  A gravure plate making factory according to the present invention will be described with reference to the accompanying drawings. 1 and 2, reference numeral 10 denotes a gravure plate making factory according to the present invention, and the gravure plate making factory 10 is a gravure plate making factory for producing a gravure printing roll used for gravure printing.

  The gravure plate making factory 10 includes an A zone, a B zone, and a C zone, and the B zone is provided with air conditioning equipment (not shown).

  The A zone includes an entrance-side relay box 14 for receiving the hollow roll 12, a first cradle 16 for waiting the hollow roll 12, a degreasing unit 18 for degreasing the hollow roll 12, and a hollow roll Pickling unit 20 for pickling (for example, dilute sulfuric acid treatment), water washing unit 22 for washing the hollow roll with water, and a first copper plating unit as copper plating means for copper plating the hollow roll 12 24 and the second copper plating unit 26, a polishing unit 28 for polishing the copper-plated hollow roll 12, and a second pedestal 30 for waiting the hollow roll 12 are installed on the floor F. Has been. A rail R is hung on the upper part of the A zone in the longitudinal direction of the gravure plate making factory 10, and a first stacker crane 32, which is a transfer means for transferring the hollow roll 12, is slidably suspended on the rail R. Has been lowered.

  The first stacker crane 32 is configured to lift and convey a cassette-type roll chuck device (not shown). The cassette-type roll chuck device chucks chuck holes at both ends of the hollow roll 12 positioned horizontally. It is configured to have a pair of chuck cones that can be energized and a waterproof cap that seals the outside of each chuck cone. Since the structure of the stacker crane and the structure of the cassette-type roll chuck device are known from, for example, Patent Document 8, detailed description thereof is omitted.

  For the first table 16, the degreasing unit 18, the pickling unit 20, the water washing unit 22, the first copper plating unit 24, and the second copper plating unit 26, any known device can be applied. The devices disclosed in the above are applicable.

  With the above configuration, the hollow roll 12 can be moved between the processing apparatuses by the first stacker crane 32 in the A zone.

  Further, in the B zone, a second pedestal 30 provided between the A zone to make the hollow roll 12 stand by, a photosensitive solution coating device 34 for applying a photosensitive solution to the hollow roll, and a hollow roll A rotary drying device 36 for rotating and drying 12, a laser exposure device 38 for laser exposing the hollow roll 12 coated with the photosensitive solution, a developing device 40 for developing the hollow roll, and a hollow roll A third pedestal 42 for waiting 12 is installed on the floor surface F. A rail R is hung on the upper side of the B zone in the longitudinal direction of the gravure plate making factory 10, and a second stacker crane 44, which is a transfer means for transferring the hollow roll 12, is slidably suspended on the rail R. Has been lowered.

  The second stacker crane 44 is configured to lift and convey a cassette type roll chuck device (not shown), and the cassette type roll chuck device chucks chuck holes at both ends of the hollow roll 12 positioned horizontally. It is configured to have a pair of chuck cones that can be energized and a waterproof cap that seals the outside of each chuck cone.

  As the second stage 30, the photosensitive solution coating device 34, the rotary drying device 36, the laser exposure device 38, the developing device 40, etc., any known device can be applied, for example, the devices disclosed in Patent Documents 1 to 10, etc. Is applicable.

  With the above configuration, the hollow roll 12 can be moved between the processing apparatuses by the second stacker crane 44 in the B zone. The B zone is provided with an air cleaning device (not shown) for cleaning the air in the B zone.

  Next, in the C zone, there is a third pedestal 42 provided between the B zone for waiting the hollow roll 12 and a corrosion unit 46 for corroding the developed hollow roll 12. A dilute hydrochloric acid treatment device 48 for treating the roll 12 with dilute hydrochloric acid, a water washing device 50 for washing the hollow roll 12 with water, a resist stripping device 52 for stripping the resist of the hollow roll 12, and a base metal plating on the hollow roll 12 A base metal plating layer forming means 54 (nickel plating unit in the illustrated example) for forming a layer, a DLC film forming means 55 for forming a DLC film on the hollow roll on which the base metal plating layer is formed, and a hollow An outlet-side relay box 60 for sending out the roll 12 is installed on the floor surface F. A rail R is hung on the upper part of the C zone in the longitudinal direction of the gravure plate making factory 10, and a third stacker crane 62, which is a transfer means for transferring the hollow roll 12, is slidably suspended on the rail R. Has been lowered.

  The third stacker crane 62 is configured to lift and convey a cassette type roll chuck device (not shown). The cassette type roll chuck device chucks chuck chucks at both ends of the hollow roll 12 positioned horizontally. It is configured to have a pair of chuck cones that can be energized and a waterproof cap that seals the outside of each chuck cone.

  For the third stage 42, the corrosion unit 46, the dilute hydrochloric acid treatment device 48, the water washing device 50, the resist stripping device 52, the base metal plating layer forming means 54 (nickel plating unit in the illustrated example), and the like, all known devices are applied. For example, the devices disclosed in Patent Documents 1 to 10 are applicable.

  With the above configuration, in the C zone, the hollow roll 12 can be moved between the processing apparatuses by the third stacker crane 62.

  The DLC film forming means 55 includes a first revolving-type roll cassette device 56a and a second revolving-type roll cassette device 56b in which a plurality of hollow rolls 12 can be rotationally stacked and moved in the longitudinal direction of the hollow roll 12. And the first and second revolving roll cassette devices 56a and 56b are arranged opposite to each other on the axis of the moving direction of the first and second revolving roll cassette devices 56a and 56b. A first storage type DLC film formation processing device 58a and a second storage type DLC film formation processing device 58b that can be stored inside are included.

  Reference numerals 64a and 64b denote a pair of slide rails, which are laid on the axis of the moving direction of the first revolving roll cassette device 56a and the second revolving roll cassette device 56b. 58a and the second storage type DLC coating forming apparatus 58b are extended and installed. Tires are provided below the first revolving roll cassette device 56a and the second revolving roll cassette device 56b (not shown). In this way, the first revolving roll cassette device 56a and the second revolving roll cassette device 56b are provided. The roll cassette device 56b is configured to be slidable.

  The first revolving roll cassette device 56a and the second revolving roll cassette device 56b include a standby position WP for loading and unloading, for example, the nickel-plated hollow roll 12 in the base metal plating layer forming means 54, and the above-described standby position WP. Stops at first and second processing positions TP1 and TP2 for performing DLC film formation processing on the hollow roll 12 in the first storage type DLC film formation processing device 58a and the second storage type DLC film formation processing device 58b, respectively. It is possible.

  When the first or second revolving roll cassette device 56a, 56b is in a state where the hollow roll is not loaded, the hollow roll 12 is loaded at the standby position WP, and the first or second revolving roll is loaded. When the cassette devices 56a and 56b are in the state of being loaded with hollow rolls, the movement to the first or second processing position TP1 or TP2 is stopped and the DLC film forming process is performed.

  As is well shown in FIG. 2, as the first or second revolving roll cassette devices 56a and 56b, ten hollow rolls 12 can be rotated and loaded simultaneously. That is, when one hollow roll 12 is loaded, the rotary shaft 66 is rotated around the axis so that the next hollow roll 12 is received, and the hollow rolls 12 are sequentially loaded in this manner, and a maximum of ten hollow rolls 12 are loaded. It can be loaded up to. There is no particular limitation on the maximum number of hollow rolls 12 that can be loaded.

  That is, the first revolving roll cassette device 56a loaded with the hollow roll 12 at the standby position WP stops sliding to the second processing position TP2, and the first storage type DLC film forming processing device 58a. The DOL film forming process is performed on the hollow roll 12, and the second revolving roll stored in the second storage type DLC film forming apparatus 58b while the DLC film forming process is performed. The cassette device 56b stops sliding to the standby position WP, and the hollow roll 12 is loaded thereon.

  As a method for forming a DLC film in the first storage type DLC film formation processing apparatus 58a and the second storage type DLC film formation processing apparatus 58b, a PVD method, for example, a sputtering method, a vacuum evaporation method (electron beam method), An ion plating method, MBE (molecular beam epitaxy method), laser ablation method, ion-assisted film formation method, or the like can be applied, but a sputtering method is preferable.

  Here, the sputtering method is a method for producing a thin film by depositing the splashed material on a substrate when ions are struck against a material (target material) to be formed into a thin film. There are few restrictions on materials, and the thin film can be manufactured in a large area with good reproducibility.

  In the illustrated example, first, an atmosphere gas such as tetramethylsilane is introduced into a vacuum state in the first storage type DLC film formation processing apparatus 58a and the second storage type DLC film formation processing apparatus 58b. Then, while reducing the amount of the atmospheric gas, a DLC film forming process is performed by introducing carbon gas (for example, acetylene gas or benzene gas) as a carbon supply source.

  When the DLC film forming process is completed, the first revolving roll cassette device 56a in the first processing position slides to the standby position WP, and the unloading of the hollow roll 12 after the DLC film forming process is completed. At the same time, the second revolving roll cassette device 56b loaded with the hollow roll 12 slides into the second storage type DLC film formation processing device 58b to form the second storage type DLC film. A DLC film forming process is performed on the hollow roll 12 in the processing apparatus 58b. The required time for loading the hollow roll 12 on the first or second revolving roll cassette device 56a, 56b is about 10 minutes, and the DLC film forming process is completed in about 2 hours. Therefore, there is an advantage that the production time of the gravure printing roll is drastically shortened as compared with the conventional gravure printing factory.

  As described above, the first or second revolving roll cassette device 56a, 56b is stored in the first storage type DLC film formation processing device 58a or the second storage type DLC film formation processing device 58b and from there. The gravure printing roll is continuously manufactured by repeating the discharge.

  Each of the above devices is controlled unattended by computer program control. Illustration of the control panel including the computer is omitted.

  In this way, the hollow roll 12 carried in from the adjacent X warehouse is moved between the processing apparatuses by the first stacker crane 32, the second stacker crane 44, and the third stacker crane 62, and the first or second The revolved roll cassette devices 56a and 56b are loaded and moved, are subjected to DLC film formation processing in the first storage type DLC film formation processing device 58a or the second storage type DLC film formation processing device 58b, and are carried out to the adjacent Y warehouse. It is. In this way, a gravure platemaking roll is fully automatic. In the illustrated example, an example of the gravure plate making factory 10 having one line of work lines is shown, but a plurality of work lines such as two lines or three lines can be used.

Claims (7)

A gravure plate making factory for producing gravure printing rolls used for gravure printing,
Copper plating means for copper plating on the hollow roll;
A gravure cell forming means for forming a gravure cell in the copper plated hollow roll;
A base metal plating layer forming means for forming a base metal plating layer on the hollow roll in which the gravure cell is formed;
DLC film forming means for forming a DLC film on the hollow roll on which the base metal plating layer is formed;
For sequentially transferring the hollow roll from the copper plating means to the gravure cell forming means, from the gravure cell forming means to the base metal plating layer forming means, and from the base metal plating layer forming means to the DLC film forming means. At least one transfer means;
Gravure plate factory characterized by including   2. The gravure plate making factory according to claim 1, wherein the transfer means is a stacker crane.   The gravure plate making factory according to claim 1 or 2, wherein the base metal plating layer is a metal plating layer selected from the group consisting of nickel, cobalt and iron.   The gravure plate-making factory according to any one of claims 1 to 3, wherein the DLC film is formed by a PVD method. The DLC film forming means comprises:
A first revolving roll cassette device and a second revolving roll cassette device capable of rotating and stacking a plurality of hollow rolls and movable in the longitudinal direction of the hollow rolls;
The first revolving roll cassette device and the second revolving roll cassette device are arranged opposite to each other on an axis in the moving direction, and the first and second revolving roll cassette devices can be housed inside. A first storage type DLC film formation processing apparatus and a second storage type DLC film formation processing apparatus;
Including
The first revolving roll cassette device and the second revolving roll cassette device have a standby position for loading and unloading the hollow roll on which the base metal plating layer is formed and the first storage type DLC film forming process. It is possible to stop at the first and second processing positions for performing the DLC film forming process on the hollow roll in the apparatus and the second storage type DLC film forming processing apparatus, respectively.
When the first or second revolving roll cassette device is in a state where the hollow roll is not loaded, the hollow roll is loaded at the standby position,
When the first or second revolving type roll cassette device is in a state of being loaded in a hollow roll, the DLC film forming process is performed by stopping at the first or second processing position,
The gravure platemaking factory according to any one of claims 1 to 4, wherein a gravure platemaking roll is produced. The first revolving type roll cassette apparatus loaded with the hollow roll at the standby position stops moving to the second processing position, and the DLC film is applied to the hollow roll in the first storage type DLC film forming apparatus. The formation process takes place,
While the DLC film forming process is being performed, the second revolving roll cassette device housed in the second storage type DLC film forming treatment apparatus stops moving to the standby position, and the hollow roll Loaded,
When the DLC film forming process is completed, the first revolving roll cassette device in the first processing position moves to the standby position, and the unloading of the hollow roll is performed.
At the same time, the second revolving-type roll cassette apparatus loaded with the hollow roll moves into the second storage type DLC film formation processing apparatus, and the hollow roll is moved into the second storage type DLC film formation processing apparatus. Configured so that the DLC film forming process is performed,
The first or second revolving roll cassette device repeatedly stores and discharges from the first storage type DLC film forming processing device or the second storage type DLC film forming processing device. 6. The gravure plate making factory according to claim 5, wherein the gravure plate making factory is manufactured continuously. The zone in which the copper plating means is installed is referred to as A zone, the zone in which the gravure cell forming means is formed as B zone, and the zone in which the base metal plating layer forming means and DLC film forming means are installed is C zone. age,
Air cleaning means is provided in the B zone,
The gravure plate making factory according to any one of claims 1 to 6, wherein the transfer means is provided in each of the A zone, the B zone, and the C zone.

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