261results about "Registering devices" patented technology

The three-dimensional shaping cloth flattening device comprises a base, a top plate and a lifting plate, a constant-pressure flattening head is arranged on the bottom face of the lifting plate, the constant-pressure flattening head comprises a constant-pressure air chamber shell, a flexible pressurizing bag and a constant-pressure mechanism, and the flexible pressurizing bag and the constant-pressure air chamber shell are connected in a sealed mode to jointly form a closed cavity; the constant-pressure mechanism is mounted in the constant-pressure air chamber shell and is used for providing constant reference pressure for the flexible pressurizing bag; a driving mechanism is fixedly arranged on the upper surface of the top plate and used for driving the constant-pressure leveling head to move relatively. According to the three-dimensional cloth flattening device, the problem that three-dimensional cloth is not completely flattened or damaged due to uneven pressure can be solved, and the high-quality and lossless three-dimensional flattening effect is achieved.

A sheet conveyance apparatus includes a first roller pair, a second roller pair, an abutment portion, an oblique feeding portion, a detection portion, a moving portion a contact / separation portion, and a control portion. If a first sheet whose length is a first length is conveyed, the control portion causes the moving portion to move the first roller pair, and then causes the first sheet to be conveyed from the first roller pair to the oblique feeding portion through the second roller pair that is in the separation state, and if a second sheet whose length is a second length shorter than the first length is conveyed, the control portion causes the moving portion to move the first roller pair, and then causes the second sheet to be conveyed from the first roller pair to the oblique feeding portion via the second roller pair that is in the contact state.

To provide a media transport device capable of more easily and appropriately correct the skew of a media.SOLUTION: The media transport device includes a first roller and a second roller that rotate independently to convey the media, a first sensor disposed downstream side of the first roller, and a second sensor disposed downstream side of the second roller, a control unit that corrects, when the first sensor detects the media before the second sensor detects the media, the skew of the media by setting a circumferential speed of the first roller to a first speed and a circumferential speed of the second roller to a second speed higher than the first speed, the first sensor and the second sensor are arranged at the same positions when viewed from the direction perpendicular to the media transport direction, and an arrangement position of the first sensor in a direction perpendicular to the media transport direction is as the same as a rotation center position that the media rotate, by a speed ratio of the second speed to the first speed.SELECTED DRAWING: Figure 3

The invention relates to an arrangement for aligning at least one value document along a transport route, comprising at least one banknote reader, which has at least one scan line, which has a plurality of detection regions along the scan line for scanning value documents. Each detection area scans a scanning area in a transport plane of the transport section, wherein the scanning area is arranged along a line orthogonal to a central axis of the transport section. The first transport element and the at least one second transport element are used for transporting the value documents in at least one transport direction along the transport path. The transport elements each contact the value document in a contact region. The at least one alignment device is used for aligning the value documents. The alignment device is arranged between the first transport element and the second transport element and forms part of the transport section. The banknote reader detects the rear edge of the value document in the first scanning area and in the second scanning area.

The invention relates to the field of cigarette case production, in particular to a paper smoothing and cutting mechanism for cigarette case offset printing processing, which comprises a support table, a suction mechanism is mounted at the top of the support table, the suction mechanism comprises a shell, a connecting plate is movably connected to the top of the shell, and an air pump is connected to the top of the connecting plate. The air inlet end of the air extracting pump communicates with a hose, the bottom of the hose communicates with a U-shaped pipe, and the bottom of the U-shaped pipe communicates with a first pressing plate. Cigarette case paper can be adsorbed, the adsorbed paper can be transferred and fed, after die cutting of the cigarette case paper is completed, feeding operation can be automatically carried out, the paper is accurately conveyed to a printing processing area, manual paper transferring is not needed, the labor and time cost is greatly saved, the overall production efficiency is remarkably improved, and the production efficiency is improved. And large-scale and high-efficiency cigarette case printing production requirements can be better met.

In a method for operating a digital printing press, sheets (4) are aligned in an alignment station (1) and then printed in a printing station (2). The sheets (4) are detected in the alignment station (1) by means of first sensors (11, 12) and aligned by means of alignment rollers (15, 16). After alignment in the alignment station (1), the sheets (4) are detected again by means of second sensors (22, 23), and signals from the second sensors (22, 23) are used to control the alignment station (1). Furthermore, a digital printing press suitable for carrying out this operating method has been provided.

A post-processing apparatus includes a movable portion and an opposing portion that are arranged to be opposite to each other with a conveyance path through which a sheet is conveyed interposed between the movable portion and the opposing portion, and a restricting member that has a holding surface including an abutment surface against which a sheet abuts, is capable of changing a posture between a first posture in which the holding surface closes the conveyance path and a second posture in which a clearance is formed in at least part of the conveyance path and is attached to a side where the opposing portion is located with respect to the conveyance path, wherein the movable portion processes a sheet positioned at the abutment surface by the restricting member having the first posture by moving toward the opposing portion.

The utility model belongs to the technical field of paper printing, and particularly relates to an automatic paper feeding device for paper printing, which comprises a bottom plate, a stand column fixedly connected to the upper surface of the bottom plate, a supporting plate fixedly connected to the upper surface of the stand column, a paper feeding mechanism fixedly connected to the upper surface of the bottom plate, and a paper feeding mechanism fixedly connected to the lower surface of the supporting plate. A U-shaped plate is fixedly connected to the right side of the paper feeding mechanism, transverse pipes are fixedly connected to the front side and the rear side of the inner wall of the U-shaped plate, and strip-shaped holes are formed in the bottoms of the transverse pipes. According to the automatic paper feeding device for paper printing, through cooperation of a U-shaped plate, a transverse pipe, a strip-shaped hole, an adsorption support, a strip-shaped ring, a hollow rubber column, an iron column, a supporting block and an electromagnet, the position of a vacuum suction cup can be adjusted according to the size of paper, and therefore the situation that the edge of the paper is bent when the paper is adsorbed due to the fact that the vacuum suction cup is far away from the edge of the paper is prevented; and adverse effects on the paper feeding process are caused.

A paper folding machine includes: a conveyor belt configured to transport a sheet; a stopper configured to abut against the leading end of the sheet to stop the sheet; a knife having an elongated shape and configured to move onto a folding position of the sheet stopped by the stopper; a guide made of a rigid material and configured to hold the sheet between the conveyor belt and the guide and press the sheet transported to the stopper; and a lifting mechanism configured to adjust the clearance between the guide and the conveyor belt.

To provide a post-processing device suppressed in the alignment deviation of a medium placed on a processing tray.SOLUTION: In a post-processing device, after a new transportation medium is placed on a processing tray as the upper-most medium in a state of one or multiple existing placed media placed already, when the transportation medium is transported by a transportation part, at least one existing placed medium placed on the processing tray is pressed to a pressing part at a pressing position, and after the transportation part is separated from the transportation medium, the pressing part can be moved from the pressing part to a retreated part.SELECTED DRAWING: Figure 8

The invention relates to an electrode contact guiding device. An electrode tab guiding device according to one aspect of the present invention is used for guiding an electrode tab provided on an edge of an electrode sheet conveyed by a roller. The electrode tab guide device may include: a guide body that may be disposed on one side of a circumference of a roller; a first guide member spaced apart from the guide body in a circumferential direction of the roller and capable of guiding the electrode tab onto an outer circumferential surface of the roller; and a first adjustment unit coupled to each of the first guide member and the guide body and capable of adjusting a distance between the first guide member and the guide body.

This approach suppresses the occurrence of image defects while also preventing the device from becoming larger and increasing costs. [Solution] Of the outer circumferential surface of the intermediate transfer belt 8, the tensioned surface 8a stretched from the drive roller 9 to the secondary transfer opposing roller 11 in the direction of arrow R3 is positioned to intersect with the common tangent L1 of the register roller pair 21 in the conveying nip N4. The shutter member 24 has a rear end contact portion 24c that can contact the rear end of the sheet S that is moving toward the tensioned surface 8a after passing through the intermediate contact portion 24b of the shutter member 24 where the rear end of the sheet S conveyed by the register roller pair 21 is in a retracted position.

The utility model relates to the field of automatic paging of materials, in particular to an automatic paging device for ultrathin materials. A mounting groove is formed in the center of the top of the workbench, and mounting plates are fixedly mounted at the front end and the rear end of the workbench. The conveying belt is mounted in the mounting groove, the supporting plates are arranged above the left end of the conveying belt at intervals, the limiting adjusting plates are arranged on the front side and the rear side of the conveying belt at intervals, the first baffles are arranged on the right sides of the limiting adjusting plates at intervals, the second baffles are arranged on the tops of the first baffles at intervals, and the paging rollers are arranged on the right sides of the second baffles at intervals. According to the device, materials are guided through the supporting plate, the limiting adjusting plate can conduct left-right limiting, material piles are divided twice through the first baffle and the second baffle, gear transmission enables the conveying belt and the paging roller to rotate reversely, the paging roller conducts third-time dividing on the material piles, and the problem that paging of a traditional paging machine is not uniform or stacked is solved; the automatic paging device for the ultrathin materials is suitable for automatic paging of the ultrathin materials.

In a method for operating a digital printing press, a sheet (4) is aligned in an alignment station (1) and subsequently printed in a printing station (2). The sheet (4) is detected in the alignment station (1) by means of a first sensor (11, 12) and aligned by means of alignment rollers (15, 16). The sheet (4) is detected again by means of a second sensor (22, 23) after its alignment in the alignment station (1), and the signal from the second sensor (22, 23) is used to adjust the alignment station (1). Furthermore, a digital printing press suitable for performing the above operating method is provided.

To provide an image forming apparatus that can produce high-quality results. [Solution] The system comprises an image forming unit that forms an image on a sheet, a first moving unit provided upstream of the image forming unit in the sheet transport direction, which moves the sheet in the width direction perpendicular to the transport direction while holding the sheet, and a re-transporting unit that reverses the front and back sides of the sheet on which the image has been formed on the first surface by the image forming unit, and transports the sheet back to the image forming unit, wherein the re-transporting unit has a second moving unit that moves the sheet in the width direction while holding the sheet.

To suppress expansion and contraction of an image formed on a sheet in a conveying direction of the sheet, and to suppress damage to the sheet by a pair of registration rollers.SOLUTION: In a case where the image forming apparatus 1 conveys the sheet P whose basis weight is a first basis weight to the secondary transfer nip portion 37, the image forming apparatus 1 controls driving of the separation mechanism 112 to bring the registration roller pair 110 into the separated state, and in a case where the image forming apparatus 1 conveys the sheet P whose basis weight is a second basis weight larger than the first basis weight to the secondary transfer nip portion 37, the image forming apparatus 1 controls driving of the separation mechanism 112 to bring the registration roller pair 110 into the contact state.SELECTED DRAWING: Figure 4

Buckling of the uppermost sheet when the bound sheet stack is pressed by the sheet pressing paddle 320 is reduced. [Solution] When a sheet stack made of thin paper ShB is bound and discharged onto the stacking tray 300, the amount of rotation of the sheet pressure paddle 320 from its reference position to its pressing position when the sheet pressure paddle 320 presses down the sheet stack on the stacking tray 300 is made smaller than the amount of rotation of the sheet pressure paddle 320 from its reference position to its pressing position when the sheet stack made of thick paper ShA is bound and discharged onto the stacking tray 300.

The utility model relates to the technical field of paper positioning, and discloses a printing machine paper positioning device which comprises a positioning plate, guide columns are fixed to the corners of the top end of the positioning plate, a positioning pressing strip is connected between every two adjacent guide columns, and a plurality of page grabbing arms are distributed on the surfaces of the ends, close to each other, of the two positioning pressing strips at equal intervals. The end, away from the positioning pressing strip, of the page grabbing arm is connected with an abutting block. Through movable arrangement of the guide columns and the positioning pressing strips, an operator can easily place printing paper on the surface of the positioning plate. When the positioning pressing strip is loosened, the reset spring pushes the movable connecting block to move downwards in the movable groove by means of the telescopic elasticity of the reset spring. And the movable connecting block slides down to drive the page grabbing arm to get close to the paper and push the abutting block to be tightly attached to the paper, the paper is rapidly and accurately fixed to the ideal position, manual repeated adjustment is not needed, and the positioning efficiency is greatly improved. The abutting blocks and the anti-slip strips are made of anti-slip materials, and the friction resistance between the abutting blocks and the edges of the printing paper is remarkably increased.

The utility model discloses a die cutting guiding and deviation rectifying assembly based on a packaging carton, and relates to the technical field of die cutting guiding and deviation rectifying. Comprising a supporting frame, the supporting frame is provided with a deviation rectifying mechanism used for die cutting guide machining of the packaging carton, the deviation rectifying mechanism comprises a limiting assembly, the limiting assembly comprises a fixing support fixed to the lower end of the supporting frame, and a pair of sliding rods fixed to the side wall of the fixing support. The telescopic end of the first electric push rod is rotationally connected with the limiting support through the rotating shaft, the limiting support is rotationally connected with the fixing block through the rotating shaft, and the limiting support rotates around the rotating shaft connected with the fixing block along with stretching of the telescopic end of the first electric push rod, so that the angle of the limiting support is adjusted, and the inclination angle of the limiting support can be adjusted in real time; and compared with a limiting plate with a fixed angle, the deviation correcting device is wider in deviation correcting range and higher in flexibility.

The invention provides an ultrasonic device, an overlap transport detection device, a transport device, and a scanner, the ultrasonic device makes foreign matters not easy to adhere to a transmitting / receiving surface of ultrasonic waves, and can transmit ultrasonic waves at high sound pressure or receive ultrasonic waves at high sensitivity. The overlap transport detection device is provided with the ultrasonic device and can detect overlap transport with high precision, the transport device is provided with the overlap transport detection device, and the scanner is provided with the transport device. This ultrasonic device is characterized by being provided with: an ultrasonic element having an ultrasonic transmission / reception surface for transmitting and / or receiving ultrasonic waves; and a housing that accommodates the ultrasonic element, the housing having: a reflecting surface that reflects the ultrasonic waves; a waveguide that propagates the ultrasonic waves; and an opening which is provided at one end of the waveguide and through which the ultrasonic wave passes, the waveguide having a length greater than a width thereof.

Sheet processing machine (01) with a transport system (1200) designed as a chain gripper system (1200) and several units (100; 200; 300; 400; 500; 600; 650; 700; 800; 900), wherein the chain gripper system (1200) comprises several chain gripper carriages (1201) which are arranged attached to a chain (1203), and wherein the several chain gripper carriages (1201) are arranged to be movable at least partially in a transport direction (T), and wherein the sheet processing machine (01) comprises at least one register device (1207) for aligning at least one chain gripper carriage (1201) with an associated unit (200; 300; 400; 500; 650) at least in the transport direction (T), and wherein the at least one register device (1207) comprises at least one register element (1208) and wherein the at least one register element (1208) is arranged in a register state cooperating with the at least one chain gripper carriage (1201) and wherein the at least one register element(1208) is arranged in the registered state projecting into the intended transport path for the at least one chain gripper carriage (1201), and wherein the at least one register device (1207) and the at least one chain gripper carriage (1201) are arranged to be convertible from a registered state to an extended state, and wherein the at least one chain gripper carriage (1201) is arranged in the extended state offset from the registered position to an extended position at least in the transport direction (T), characterized in that the at least one register element (1208) in the registered state aligns the at least one chain gripper carriage (1201) to the respective associated unit (200; 300; 400; 500; 650) and fixes it in a special position relative to an associated unit (200; 300; 400; 500; 650) at least opposite to the transport direction (T), and that the at least one register element (1208) in Exit state in the register position of the register stateis arranged.

An image recording apparatus, having a conveyer including a pair of conveyer rollers, a recorder, a first sensor, and a controller, is provided. The controller, after a part of an image is recorded on a sheet-formed medium, within a period between a point before the first sensor detects an upstream end of the sheet-formed medium and a point after the first sensor detects the upstream end of the sheet-formed medium, controls the conveyer to convey the sheet-formed medium in a plurality of segmented actions, corrects a conveyance amount to convey the sheet-formed medium after the first sensor detects the upstream end of the sheet-formed medium to a third conveyance amount, which is smaller than the conveyance amount, and after the sheet-formed medium is conveyed by the third conveyance amount, controls the recorder to record another part of the image on the sheet-formed medium.

To provide a sheet conveying device capable of performing highly accurate skew correction regardless of the size of a sheet SOLUTION: The sheet conveying device includes the registration portion 31 having the plurality of nip rollers arranged at intervals in the direction orthogonal to the sheet conveying direction, and the controller 70 that selects one nip roller pair capable of nipping a position close to the end portion of the sheet in the direction orthogonal to the sheet conveying direction from among the plurality of nip rollers 31a to 31f according to the size of the sheet in the direction orthogonal to the sheet conveying direction, and controls the selected nip roller pair to perform the skew correction.SELECTED DRAWING: Figure 3

The invention discloses a sheet processing machine with an alignment plate at the input. The sheets are piled against the plate, and during each machine cycle, the bottommost sheet is extracted and delivered to a gripper bar of the machine. The alignment plate can move precisely longitudinally and diagonally to adjust the position and the skew of the sheet for correct positioning in the gripper bar. The alignment plate is guaranteed to be kept vertical by using a pair of synchronized linear actuators on each side of the plate. The machine can adapt to varying sheet thickness by adjusting the gap below that plate thanks to a motorized gauge. To even better position the sheets, a set of abutments is provided after the plate, and at a fixed distance to the plate. The abutments are pivoting to get out of the way of the gripper bar when needed.

The invention provides a carton printing device with a positioning function, and relates to the technical field of carton printing positioning, the carton printing device comprises a device conveying base station, a carton raw material positioning assembly for positioning feeding is arranged at one end of the device conveying base station, and a limiting conveying assembly is further arranged at one end of the device conveying base station; a printing control host is arranged in the middle of the device conveying base table, a carton printer is arranged at the inner end of the printing control host, and a printing protective cover is arranged at the upper end of the carton printer. Stacked cartons are placed on the carton raw material positioning assembly, single pieces separated from carton piles are stably conveyed through the limiting conveying assembly, then the single pieces are positioned by the printing conveying limiting frame and printed by the carton printer, and a positioning structure is transited; and the positioning effect between the carton raw material positioning assembly and the limiting conveying assembly is matched.

A sheet conveying apparatus that has a first conveying roller pair, and a second conveying roller pair, and corrects skew feeding of a sheet by a tip of the sheet abutting against a nip portion of the first conveying roller pair, including: a conveying unit that can shift and has a third conveying roller provided between the first conveying roller pair and the second conveying roller pair, wherein when a first sheet is conveyed, a tip of the first sheet is guided with the third conveying roller located in an abutting position where the third conveying roller abuts on a counter roller, and wherein when a second sheet with a basis weight greater than that of the first sheet, a tip of the second sheet is guided with the third conveying roller located in the separating position where the third conveying roller is separated from the counter roller.