Abstract: An object of the present invention is to provide a temperature adjustment device for a printing machine with a plurality of inking devices mounted therein, the device being capable of adjusting the temperatures of ink smoothing function rollers in the respective inking devices uniformly and accurately. The temperature adjustment device for a printing machine according to the present invention is a temperature adjustment device for a printing machine that adjusts temperatures of rollers in a plurality of inking devices mounted in a printing machine by supplying temperature-regulated water to shaft parts of the rollers, and is characterized by having a plurality of smoothing function roller temperature regulators, provided respectively corresponding to the inking devices, and each adjusting the temperature of the ink smoothing function roller among a series of rollers in each of the inking devices.

Abstract: An object of the present invention is to provide a temperature adjustment device for a printing machine with a plurality of inking devices mounted therein, the device being capable of adjusting the temperatures of ink smoothing function rollers in the respective inking devices uniformly and accurately. The temperature adjustment device for a printing machine according to the present invention is a temperature adjustment device for a printing machine that adjusts temperatures of rollers in a plurality of inking devices mounted in a printing machine by supplying temperature-regulated water to shaft parts of the rollers, and is characterized by having a plurality of smoothing function roller temperature regulators, provided respectively corresponding to the inking devices, and each adjusting the temperature of the ink smoothing function roller among a series of rollers in each of the inking devices.

Abstract: An imaging device configured to image a printed state of a target surface of a target object for inspection includes: a first light source; a diffuser including an inner periphery surface covered with a diffuse reflection material, and configured to diffusely reflect light emitted from the first light source and emit diffusely reflected light to the target surface; and a line sensor configured to receive light resulting from reflecting the diffusely reflected light from the target surface.

Abstract: A printing machine includes: a printing plate attached to a plate cylinder; a blanket configured to transfer ink from the printing plate to a printed material; a blanket wheel configured to rotate the blanket; and at least one of a distance sensor or a temperature sensor. The distance sensor is provided in the blanket wheel and configured to measure a distance of the printing plate to the blanket wheel, and the temperature sensor is provided in the blanket wheel and configured to measure a temperature of the printing plate.

Abstract: The versatility of a slotter device, a sheet slicing method and a carton former is improved by providing first slotter heads and first lower blades, first slotter knives and second slotter knives mounted on the circumferences of the first slotter heads, second slotter heads and second lower blades, third slotter knives and fourth slotter knives mounted on the circumferences of the second slotter heads, third slotter heads and third lower blades, and fifth slotter knives and sixth slotter knives mounted on the circumferences of the third slotter heads, to process cuts of differing lengths.

Abstract: To enable a leakage inspection even without considering a change in a container temperature. A leakage inspection device includes a head mounting part that mounts inspection heads respectively on mouth parts of containers among containers alignedly conveyed from a container manufacturing line, a pressure supplying part that simultaneously feeds a supply pressure to the inspection heads respectively mounted on the containers to control pressure in the sealed containers to an inspection pressure, and a leakage determination part that detects a pressure change over time in the sealed containers and performs leakage determination of the containers. The leakage determination part includes a differential pressure sensor that detects a differential pressure in a pair of containers of the plurality of containers. The leakage determination part performs the leakage determination on the basis of an output of the differential pressure sensor.

Abstract: Provided are a sheet stacking device, a counter ejector and a box making machine, wherein: a hopper unit stacks sheet-like cardboard boxes; feeding rolls feed a cardboard box to the hopper unit; and a guiding device is disposed between the feeding rolls and the hopper unit and includes a first guide part that extends in a horizontal direction and guides a lower surface of the cardboard box and a second guide part that extends in a vertical direction and guides a rear end of the cardboard box. Due to this configuration, the occurrence of damage to box making sheets in high-speed conveying of the box making sheets can be suppressed and the box making sheets can be appropriately stacked in a prescribed posture.

Abstract: A sheet feeder includes: a wheel for issuing a lowermost sheet out to a sheet processing unit; a grate for spacing the sheet apart from the wheel at a raised position and bringing the sheet into contact with the wheel at a lowered position; and a drive device for driving the grate up and down. The drive device includes: a link mechanism for movably supporting the grate; a spring for urging the grate to the lowered position; a grate raising/lowering cam for periodically driving the grate up/down; and a skip feed cam that is driven by a control device, separately from a drive system of the grate raising/lowering cam, and that, at a timing where reached is a phase at which the grate raising/lowering cam does not put the grate in the raised position, retains the grate at the raised position in order to skip feeding of the sheet.

Abstract: Provided is a conveyance device capable of reducing the speed of conveyed objects, with the interval therebetween being narrowed substantially, while arranging the conveyed objects, which have been carried in one row, in a plurality of rows. The present invention includes a conveyance turret (110) that holds and conveys conveyed objects (K) and a carrying-out turret (120) that holds the conveyed objects (K) and transfers the same to a carrying-out conveyor (130), wherein the carrying-out conveyor (130) is configured to hold the conveyed objects (K) in a plurality of rows and carry out the same, the carrying-out turret (120) is provided in plurality so as to correspond to the plurality of rows of the carrying-out conveyor (130), and the conveyance turret (110) and the carrying-out turret (120) have an interval adjustment mechanism that changes radial positions of the held conveyed objects (K) according to rotation angles thereof.

Abstract: A sheet feeder includes: a wheel for issuing a lowermost sheet out to a sheet processing unit; a grate for spacing the sheet apart from the wheel at a raised position and bringing the sheet into contact with the wheel at a lowered position; and a drive device for driving the grate up and down. The drive device includes: a link mechanism for movably supporting the grate; a spring for urging the grate to the lowered position; a grate raising/lowering cam for periodically driving the grate up/down; and a skip feed cam that is driven by a control device, separately from a drive system of the grate raising/lowering cam, and that, at a timing where reached is a phase at which the grate raising/lowering cam does not put the grate in the raised position, retains the grate at the raised position in order to skip feeding of the sheet.

Abstract: A flexographic printer is provided with: a printing plate for transferring ink at an ink transfer site to an object to be printed S; an anilox roll for supplying ink to the printing plate at an ink supply site; a plate cylinder on which the printing plate is wound and rotated; and an ink solvent supply unit for supplying a solvent for the ink on the surface of the printing plate in a post-ink transfer region that is downstream of the ink transfer site in the plate cylinder rotation direction and upstream of the ink supply site in the plate cylinder rotation direction.

Abstract: Provided are a sheet stacking device, a counter ejector and a box making machine, wherein: a hopper unit stacks sheet-like cardboard boxes; feeding rolls feed a cardboard box to the hopper unit; and a guiding device is disposed between the feeding rolls and the hopper unit and includes a first guide part that extends in a horizontal direction and guides a lower surface of the cardboard box and a second guide part that extends in a vertical direction and guides a rear end of the cardboard box. Due to this configuration, the occurrence of damage to box making sheets in high-speed conveying of the box making sheets can be suppressed and the box making sheets can be appropriately stacked in a prescribed posture.

Abstract: A squaring device provided to a counter ejector part that stops flat cardboard boxes fed from an upstream, using a front stop, in a downstream part of a box-manufacturing machine, receives and stacks the flat cardboard boxes in a stacking part in a hopper part, and ejects the stack as a batch. It includes a squaring plate that, while the stacking part retains in a stack position during a retention interval, squares the cardboard boxes stacked on the stacking part, in conjunction with the front stop, the retention interval being set in accordance with a feed speed of the cardboard boxes and a count setting for a stack of the cardboard boxes. A reciprocation driving unit drives the squaring plate to reciprocate toward and away from the front stop, and is configured to vary a speed ratio of a squaring speed for reciprocating the squaring plate, to the feed speed.

Abstract: The versatility of a slotter device, a sheet slicing method and a carton former is improved by providing first slotter heads and first lower blades, first slotter knives and second slotter knives mounted on the circumferences of the first slotter heads, second slotter heads and second lower blades, third slotter knives and fourth slotter knives mounted on the circumferences of the second slotter heads, third slotter heads and third lower blades, and fifth slotter knives and sixth slotter knives mounted on the circumferences of the third slotter heads, to process cuts of differing lengths.

Abstract: To stop a variety of sheets and prevent problems generated by colliding sheets, a front stopping device that receives sheets being delivered along a horizontal transport route on a hopper unit and stops the movement in the transport direction includes a plate-shaped buffering member that is brought into direct contact with the front part of a sheet; and supporting members that support the upper end and lower end of the buffering member. The buffering member is formed of a flexible material to absorb the kinetic energy of the sheet by being elastically deformed in a concave surface shape when receiving the front part of the sheet, and the buffering member is supported by being inclined upward or downward by the supporting members such that a restoring force of pushing back the front part of the sheet due to the restoration of the elastic deformation includes a vertical component.

Abstract: A slotter head, a slotter apparatus, and a box making machine form a joining piece with a high degree of accuracy by each being provided with: a cutter rest; a movable block mounted in an outer peripheral portion of the cutter rest; a first cutting blade that is fixed to the movable block along a shaft direction and along a direction inclined in a circumferential direction by a predetermined angle; a first support shaft that supports, on the cutter rest, the movable block rotatably around a first shaft center along the shaft direction; and a second support shaft that supports, on the cutter rest, the movable block rotatably around a second shaft center along the circumferential direction.

Abstract: A folder/gluer unit includes an upper transfer belt that transfers a corrugated sheet in a direction of transfer, a pair of forming belts that abut against a folding surface which is formed by folding both end portions of the corrugated sheet in a width direction orthogonal to the direction of transfer and fold both of the end portions of the corrugated sheet in the width direction, a pair of folding bars that are disposed in the direction of transfer, abut against the folding surface at both of the end portions of the folded corrugated sheet in the width direction, and guide both of the end portions of the corrugated sheet in the width direction, a moving mechanism that moves the pair of folding bars in the width direction and in a vertical direction, and a control unit that controls the moving mechanism to adjust a position of the folding bar.

Abstract: A flexographic printer is provided with: a printing plate for transferring ink at an ink transfer site to an object to be printed S; an anilox roll for supplying ink to the printing plate at an ink supply site; a plate cylinder on which the printing plate is wound and rotated; and an ink solvent supply unit for supplying a solvent for the ink on the surface of the printing plate in a post-ink transfer region that is downstream of the ink transfer site in the plate cylinder rotation direction and upstream of the ink supply site in the plate cylinder rotation direction.

Abstract: A gluing device has a sheet guide for guiding a corrugated fiberboard; a basal part having a fixed relative position with respect to the sheet guide; a support part moveable with respect to the basal part; a glue gun for contacting and applying glue to a glued portion within a seam margin at a side edge of a corrugated fiberboard passing through the sheet guide; a first energizing mechanism for energizing the support part towards the sheet guide; a second energizing mechanism for energizing the support part away from the sheet guide; and a position adjustment mechanism arranged between the first energizing mechanism and the basal part, for steples sly adjusting the position of the support part in a direction lying in the direction of the force exerted by the first energizing mechanism, and adjusting the gap between the glue gun and the sheet guide.

Abstract: Provided is a conveyance device capable of reducing the speed of conveyed objects, with the interval therebetween being narrowed substantially, while arranging the conveyed objects, which have been carried in one row, in a plurality of rows. The present invention includes a conveyance turret (110) that holds and conveys conveyed objects (K) and a carrying-out turret (120) that holds the conveyed objects (K) and transfers the same to a carrying-out conveyor (130), wherein the carrying-out conveyor (130) is configured to hold the conveyed objects (K) in a plurality of rows and carry out the same, the carrying-out turret (120) is provided in plurality so as to correspond to the plurality of rows of the carrying-out conveyor (130), and the conveyance turret (110) and the carrying-out turret (120) have an interval adjustment mechanism that changes radial positions of the held conveyed objects (K) according to rotation angles thereof.