1424 results about "Printing press" patented technology

The invention discloses an intelligent cooperative control system and method for the UV curing process of a rotary press, and relates to the technical field of industrial process control, the system comprises a data acquisition module, a central cooperative control module, a UV light source control module, a temperature regulation module, a speed synchronization module and a man-machine interaction module, the central cooperative control module receives curing temperature data, printing speed data and UV illumination intensity data acquired by the data acquisition module, generates a control instruction through a preset cooperative control algorithm, and sends the control instruction to the UV light source control module, the temperature adjustment module and the speed synchronization module, so that multi-parameter cooperative control of the UV curing process is realized, and the UV curing process is controlled. Through an intelligent cooperative control algorithm, real-time dynamic adjustment of the UV light source power, the curing temperature and the printing speed is achieved, the consistency and stability of the UV curing quality are improved, energy consumption is reduced, and the production efficiency of the rotary press is improved.

The screen printing machine comprises a feeding mechanism, a printing machine table and a discharging mechanism which are arranged in sequence, and the feeding mechanism is used for conveying battery pieces to be printed to a feeding position; the printing machine table comprises a machine frame, a transferring mechanism and at least two printing parts, each printing part comprises a mounting machine frame, a printing table and a printing mechanism, the mounting machine frames extend in the second horizontal direction, and the printing tables can move to the material receiving station, the printing station and the discharging station in the second horizontal direction to be mounted on the mounting machine frames; the printing mechanism is used for printing the battery pieces on the printing table on the printing station; the transfer mechanism is used for picking up the battery pieces at the feeding position, conveying the picked battery pieces to the positions above the material receiving stations of all the printing parts in the first horizontal direction and then releasing the battery pieces to the printing tables located on the material receiving stations. According to the screen printing machine, the overall length of the machine table is greatly shortened, and equipment can be conveniently placed in a workshop.

The present invention discloses a four-position full-cell solar silicon wafer printer, including a base, an infeed guide rail, a detection camera assembly, a turntable assembly, a lifting module, a UVW correction alignment mechanism, and an outfeed guide rail. The UVW mechanism comprises two Y-axis modules, one X-axis module, a printing platform, a steel mesh frame, and a printing squeegee kit. The Y / X-axis modules are under the platform, their drive ends connected to the steel mesh frame. The squeegee kit moves left-right on the platform. It uses the Y / X-axis modules and detection camera to realize X, Y, θ three-axis motion, ensuring steel mesh-silicon wafer alignment and optimizing printing directions.

The invention relates to the technical field of printing machines, and particularly discloses a package digital printing machine which comprises a sliding device, a conveying device, a driving device and a driving device. The jet printing trolley comprises a trolley main body and a jet printing mechanism mounted on the trolley main body, and the trolley main body is slidably connected to the first lifting mechanism; the bearing table is arranged below the sliding device, and the bearing table comprises a bearing frame and a guide roller rotationally connected to the bearing frame; the unwinding device is arranged on one side of the bearing table; the winding device is arranged on the other side of the bearing table; wherein the unwinding device is used for releasing coiled materials, the guide roller is used for bearing and conveying the coiled materials released by the unwinding device, and the winding device is used for winding the coiled materials conveyed by the guide roller. The package digital printing machine is suitable for printing of coiled materials, and the printing efficiency is improved.

The invention relates to the technical field of printing machine faults, and discloses a printing machine fault diagnosis method based on acoustic emission detection, which comprises the following steps of: constructing a printing machine acoustic emission signal acquisition system which comprises a plurality of acoustic emission sensors, a signal preprocessing module and a data transmission unit, the plurality of acoustic emission sensors are distributed at a key transmission part, a printing execution part and a supporting structure of the printing machine so as to synchronously collect acoustic emission original signals at different positions; the method comprises the following steps: performing multi-dimensional preprocessing on an acquired acoustic emission original signal, wherein the preprocessing comprises noise reduction processing based on a self-adaptive wavelet threshold value; acoustic emission signals of key parts of the printing machine are synchronously collected through distributed acoustic emission sensors, time domain, frequency domain and time-frequency domain features are extracted in combination with multi-dimensional preprocessing, features and position weights are dynamically given by using a fault diagnosis model fused with an attention mechanism, and accurate recognition of the fault type and position of the printing machine is achieved.

The utility model discloses an automatic cutting structure of a paper gravure printing machine, which relates to the technical field of printing machines, and comprises an unwinding frame, a first unwinding seat and a second unwinding seat, the top end of the inner wall of the unwinding frame is rotatably connected with the first unwinding seat, and the middle part of the inner wall of the unwinding frame is rotatably connected with the second unwinding seat; a winding frame is arranged on one side of the outer wall of the unwinding frame, rocker arms are rotationally connected to the two sides of the middle of the winding frame, a base is connected to the middle of the top end of the base, mounting bases are slidably connected to the two sides of the outer wall of the base, the number of the mounting bases is two, the outer wall of one mounting base is connected with a first cutting knife, and the outer wall of the other mounting base is connected with a second cutting knife. Transmission pins are fixedly connected to the two sides of the outer wall of the mounting base, and rotating bases are slidably connected to the outer walls of the transmission pins. According to the automatic cutting structure of the paper photogravure press, the cutters can be alternately switched on line, the cutters can be replaced without shutdown of the whole machine, and the non-planned shutdown time is shortened.

The invention belongs to the technical field of equipment process parameter optimization, and particularly relates to an SMT printer process parameter intelligent optimization method based on multi-algorithm fusion, and the method comprises the steps: firstly carrying out the preliminary parameter screening and data collection through the DOE, and building a high-quality data set; building a printing quality prediction model by using an artificial intelligence algorithm Gaussian process regression model; and finally, an operation planning optimization algorithm is introduced, multi-target production parameter decision making is carried out under multiple constraint conditions, a system integrating the algorithms is established, target parameters are received through a man-machine interaction interface, an optimization process can be automatically executed, and an optimal parameter combination is output to the SMT printing machine. The method has a very good effect when solving the problem of printer parameter optimization in the existing SMT industry, and compared with the existing printer parameter optimization method, the method has higher efficiency and precision and stronger robustness, and can better achieve the effect of parameter optimization through data driving and dynamic adaptation.

The utility model discloses a flexible printing machine automatic register device which comprises a positioning plate, a fixing frame is fixedly installed on one side of the upper portion of the outer wall of the positioning plate, a telescopic mechanism capable of moving in a telescopic mode is arranged on the inner wall of the fixing frame, and a limiting mechanism is installed on one side of the inner wall of the telescopic mechanism in a connected mode. A correcting mechanism is fixedly mounted on one side of the lower portion of the outer wall of the telescopic mechanism. According to the automatic register device of the flexible printing machine, the telescopic mechanism is arranged, meanwhile, the correcting mechanism is arranged in a matched mode, in this way, automatic register can be conducted on flexible printing paper, and in this way, adjustment of the transverse position and the longitudinal position of the flexible printing paper can be achieved during adjustment.

The application discloses a kind of intelligent control terminal based on intaglio printing machine, it is related to intelligent control technical field, including control terminal, the control terminal communication connection has data acquisition module, data analysis module, data processing module and early warning module;The data acquisition module is used to obtain original image and several printing plate images;The data analysis module obtains several layer plate images according to original image, compares layer plate image with printing plate image, detects whether there is wrong version condition, generates wrong version information according to wrong version condition;The data processing module is used to correct processing to wrong version information, and generates early warning information according to processing result;The early warning module is used to process early warning information.

The utility model discloses an ink roller lifting mechanism of an ink printing machine, which belongs to the technical field of ink roller lifting and comprises a mounting frame, a paperboard conveying belt is rotatably mounted between the inner walls of the left side and the right side of the mounting frame, and a first fixing frame is fixedly mounted at the top of the mounting frame. An electric telescopic rod can be controlled to drive a downward pressing control plate to descend, the downward pressing control plate can abut against a sliding plate after descending, the sliding plate, a second fixing frame and an ink roller can be driven to slide above a sliding rod, the ink roller can move stably, and the ink roller can abut against a paperboard for printing; after printing is completed, an electric telescopic rod can drive a downward pressing control plate to ascend, a spring can drive a sliding plate and an ink roller to ascend, the ink roller can be separated from a paperboard, ink can be sprayed to the position above the ink roller through a spraying head before printing, ink is evenly scraped through an ink distributing scraper, and the printing effect of the device is good.

The invention relates to a corrugated board line (2) which extends in a longitudinal direction (L) from a rear side (4) to a front side (6), has a wet end (8) which begins at the rear side (4) and a dry end (10) which ends at the front side (6), is configured for producing corrugated board composed of a plurality of paper webs (12, 12a), has a printing machine (28) for printing one of the paper webs (12) such that the paper web is subsequently a printed paper web (12a) having a printed side (30), has a drying section (32) for the printed paper web (12a), wherein the drying section (32) begins at the printing machine (28). Furthermore, the invention relates to a method for operating a corrugated board line (2) and to a method for retrofitting an existing corrugated board line as a corrugated board line (2).

The invention relates to the related technical field of printing machines, in particular to an ink supply structure integrating ink quantity adjustment and a flexible printing machine, which comprises two supports, a first movable seat and a second movable seat which are respectively and movably arranged on the two supports, and a roller piece which is rotatably arranged between the first movable seat and the second movable seat, the roller piece is connected with a feeding mechanism arranged between the first movable base and the second movable base. The guide cylinders are movably arranged between the first movable seat and the second movable seat, and every two guide cylinders are connected with an arc-shaped pressing plate matched with the roller piece through an elastic mechanism; the ink scraping effect of the multiple arc-shaped pressing plates is converted into dynamic surface sweeping from traditional static linear contact, space-time overlapped ink scraping tracks are formed in the reciprocating process of the arc-shaped pressing plates, a gap between every two adjacent arc-shaped pressing plates is covered, an axial ink layer on the surface of the roller piece is dynamically homogenized, and the ink scraping effect of the roller piece is improved. And the color consistency and the quality stability of printed matters are effectively improved.

The utility model discloses a turnover box receiving mechanism of a square box plastic container surface printing machine, which comprises a feeding platform and a material receiving platform, the feeding platform and the material receiving platform are arranged at an interval, and the feeding platform comprises a feeding bin and a discharging mechanism. The material receiving platform comprises a movable feeding device, an overturning platform and a material receiving bin, and the movable feeding device and the material receiving bin are sequentially arranged. The overturning platform comprises a material carrying overturning plate and a driving device, and when the overturning platform is located at the material receiving position, the driving device drives the material carrying overturning plate to overturn, so that the bottom of the material carrying overturning plate corresponds to the discharging mechanism in the first direction, and the material carrying overturning plate is used for receiving the square box to be transferred. When the overturning platform is not located at the material receiving position, the driving device drives the material carrying overturning plate to overturn by a set angle in the direction away from the material receiving platform. Automatic operation is achieved in the whole overturning and box receiving process, manual intervention is not needed from feeding, overturning to material receiving, the production efficiency is improved, and errors possibly caused by manual operation are reduced.

The utility model discloses an ink splashing prevention protection structure for a photogravure press, which comprises a fixed sleeve, a telescopic sleeve capable of sliding along the axial direction of the fixed sleeve is arranged in the fixed sleeve, and a flange plate is arranged at one end of the fixed sleeve; the outer side end, away from the flange plate, of the telescopic sleeve extends out of the fixing sleeve and is rotationally connected with a rotating ring disc through a copper sleeve, and a blocking cover is further fixedly arranged on the outer wall of the outer side end of the telescopic sleeve and is of a fan-shaped structure. A hole in one end of the plug sleeve is a round hole, a hole in the other end of the plug sleeve is a taper hole, the round hole is communicated with the taper hole, the plug sleeve is fixedly connected with the rotating ring disc through a screw, the outer diameter of the rotating ring disc is larger than that of the plug sleeve, and the rotating ring disc and the plug sleeve are both located in a covering area of the blocking cover. The printing plate roller has the advantages of preventing printing ink on the printing plate roller from splashing to a printing base material, being good in protection and sealing effect on the top plate shaft and the printing roller plug, simple in structure, convenient to disassemble and assemble, flexible and convenient to use and the like.

There is provided an on-press development type lithographic printing plate precursor including a support, and an image-recording layer provided on the support, in which the image-recording layer contains (1) or (2).(1) a borate compound represented by Formula (1) and an electron-accepting polymerization initiator(2) a borate compound represented by Formula (1a)in Formula (1) and Formula (1a), R1, R2, R3, and R4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkenyl group, or a substituted or unsubstituted alkynyl group, and R1, R2, R3, and R4 may each independently have a ring structure. Provided that at least one of R1, R2, R3, or R4 is different from the other. M+ represents a cation. Ma+ represents an iodonium cation.

The invention relates to a pre-treatment device (102) for pre-treating at least one container (5) having a longitudinal axis (C) with an outer surface to be subjected to inkjet digital printing, comprising a plasma emission device, a worktable (2) supporting at least one support spindle (6) supporting at least one container (5), wherein the worktable (2) has a rotation axis (L), wherein the spindle (6) has an axis (M) oriented radially with respect to the rotation axis (L) of the worktable (2), wherein the worktable (2) is configured to carry the spindle (6) and park it at an exposed position at which the outer surface of the container (5) is exposed to the plasma.

This invention provides an ink mixing device for a packaging box printing machine, relating to the field of ink processing technology. The ink mixing device for the packaging box printing machine includes a mixing tank and a bottom tank; it also includes a drive motor, the output end of which is connected to a pressing mechanism and a reciprocating mechanism. The pressing end of the pressing mechanism is connected to a piston, which moves within a metering mechanism. An adjustment mechanism for metering is also provided on the outside of the metering mechanism. Inside the mixing tank, a stirring assembly and a scraper are provided for ink mixing. The stirring assembly and scraper are driven by the drive motor. The reciprocating end of the reciprocating mechanism is connected to a scraper ring for scraping the inner wall of the mixing tank. This invention achieves coordinated operation of metered ink delivery, efficient mixing, and automatic tank wall cleaning by simultaneously driving the pressing mechanism, stirring assembly, and reciprocating mechanism with a single drive motor, effectively reducing equipment energy consumption and structural complexity.

The invention discloses an alcohol dampening four-opening single-color printing machine, and belongs to the technical field of printing machines, the alcohol dampening four-opening single-color printing machine comprises a rack placed on the ground of a plant, a motor is fixedly installed on the outer side of the rack, and a printing roller piece is arranged on the inner side of the rack; the printing roller piece comprises a fountain roller, a metering roller, a dampening roller, a dampening stringing roller, a middle roller, a first inking roller and a plate cylinder which are rotationally installed on the inner side of the rack, the shaft portions of the two ends of the fountain roller are rotationally connected with a first water glue foot and a second water glue foot respectively, and the metering roller is rotationally installed between the first water glue foot and the second water glue foot. And the metering roller is driven to be attached to the outer side of the dampening roller in the rotating process of the first glue foot and the second glue foot. According to the alcohol dampening four-opening single-color printing machine, the metering roller can be conveniently controlled to be attached to the dampening roller, efficient alcohol dampening operation is achieved, dripped dampening liquid can be recycled, loss of the dampening liquid is reduced, and the dampening effect is improved.

This application relates to an automatic feeding device for a color box printing machine, specifically in the field of corrugated carton production equipment. It includes multiple support frames and a printing machine. A conveyor belt is mounted on top of each support frame, and a positioning mechanism is located at the top of the conveyor belt. A feeding mechanism is located on the right side of the conveyor belt. The positioning mechanism includes two support plates, the bottom ends of which are fixedly connected to the front and rear sides of the top of the conveyor belt. An adjusting rod is slidably connected to the inner wall of each support plate, and a connecting plate is fixedly connected to the side of the adjusting rod away from the support plate. Two sliding columns are slidably connected to the inner wall of the connecting plate. In this application, rollers apply a reverse thrust through spring elasticity, forcing the cartons to move towards the center of the conveyor belt to a balanced state. This ensures that cartons of different widths can be accurately aligned with the center of the conveyor belt, avoiding printing position deviations caused by manual handling and positioning errors.

Sheet-fed rotary printing press with at least one directly driven cylinder mounted in the machine frame (11) of the sheet-fed printing press, the longitudinal axis of which is radially displaceable relative to the machine frame (11) by a predefinable amount and which has a cylinder journal to which a rotary encoder comprising a rotor and stator is assigned, wherein the rotor is assigned to the cylinder journal and the stator to the machine frame (11), such that an elastic coupling element is provided between the stator and the machine frame (11), characterized in that the elastic coupling element allows a radial deflection by at least the amount of the change in position of the cylinder.

The utility model relates to the intaglio printing technical field, especially an intaglio printing ink tank system of ink temperature convenient to adjust is provided, including temperature regulating device and ink tank, the ink tank includes ink printing tank and temperature regulating tank, the ink printing tank is used for holding ink, the temperature regulating tank is installed in the bottom of ink printing tank, the ink printing tank with temperature regulating tank forms the cavity for accommodating liquid medium together, the temperature regulating tank is installed with temperature regulating coil pipe, the water inlet and return water mouth of temperature regulating coil pipe are worn in the lateral wall of temperature regulating tank, and the water inlet and return water mouth of temperature regulating coil pipe are connected with temperature regulating device respectively, and the circulating pump is equipped in temperature regulating device, temperature regulating coil pipe with temperature regulating device connection becomes circulation loop, temperature regulating device is used for adjusting the temperature of the water that flows through temperature regulating coil pipe, solves the problem that the performance is unstable in the printing process, and ink is influenced by ambient temperature.

This invention belongs to the field of concentration detection technology and discloses a novel method and application for measuring isopropanol concentration based on tilt angle. The method includes: sampling and pretreatment of the mixed solution; tilt angle detection and specific gravity calculation; data fitting and concentration correlation; data transmission and cloud platform uploading; and real-time display and closed-loop monitoring. This invention is specifically adapted to the mixed solution system of dampening solution, isopropanol, and water in the water tank of offset printing presses. It is unaffected by small amounts of impurities in the solution, and the equipment is waterproof and dustproof, adapting to the industrial environment of printing workshops. Compared with traditional manual sampling or dedicated concentration meter measurement methods, this invention is simple to operate, responds quickly, has low detection costs, and can provide real-time concentration data feedback. It is suitable for online monitoring of isopropanol concentration in industrial production scenarios such as offset printing, and has strong practicality and promotional value.

Printing plate logistics system comprising a plate supply (1), a plate disposal (3) and a transport system (2) that connects the plate supply (1) and the plate disposal (3) with several printing presses (4), wherein the transport system (2) comprises a rail network (2.1) and a plurality of transport sleds (2.3) that can travel on the rail network (2.1) and wherein the plate supply (1) comprises a plurality of plate trolley receptacles (1.2) and a plurality of plate trolleys (1.1.1) that can be loaded with multiple plates and positioned in the plate trolley receptacles (1.2) and a manipulator (1.2.3), wherein the manipulator (1.2.3) has a gripper and a multi-axis robot (1.2.1) with at least one linear axis extending over all plate carriage receptacles (1.2) and is designed for removing plates from a respective plate carriage (1.1.1) and transferring the plates to a respective transport carriage (2.3), wherein the manipulator (1.2.3) is associated with a camera that can be moved together with the manipulator (1.2.3) for detecting marks on a plate to be detected or detected by the manipulator (1.2.3), wherein the camera is guided movably solely via the linear axis or, in addition to being guided movably on the linear axis, is also mounted movably in other spatial axes.

The invention discloses a fountain solution backflow purification type alcohol fountain printing machine, and belongs to the technical field of printing machines.The fountain solution backflow purification type alcohol fountain printing machine comprises a rack, a motor is fixedly installed on the right side of the rack, a fountain roller is rotationally installed on the rack, a fountain is further fixedly installed on the rack, and a branch bucket is fixedly installed on the outer side of the fountain; a fixed plate is fixedly installed below the water bucket, a movable cylinder is elastically and rotationally installed below the fixed plate, the movable cylinder is connected with the shaft part of the water bucket roller through a transmission assembly, meanwhile, the transmission assembly drives the movable cylinder to rotate in a reciprocating mode, and a lifting piston piece is elastically installed on the inner side of the movable cylinder in a lifting mode; an elastic rubber piece is fixedly connected between the lifting piston piece and the fixing plate in a sealed mode. According to the fountain solution backflow purification type alcohol fountain printing machine, dripping fountain solution can be recycled, volatilized alcohol can be recycled, the alcohol concentration of the fountain solution is ensured, and meanwhile the safety of the production environment is improved.

The invention relates to a method for color control of a printing press (3) for a printing job on a non-white printing substrate by means of a computer (4), wherein, for carrying out the printing job, the printing press (3) first undercoats the printing substrate with an opaque white color and subsequently applies the actual printing color to the undercoat, wherein the color control with regard to the application of the opaque white color and the application of the printing color is calibrated by means of a computer-supported analysis of at least one test sample (8, 9) which is printed, characterized in that, within the calibration scope of the color control, the computer (4) optimizes the application of the opaque white color and the application of the printing color in accordance with the color values (7) of the non-white printing substrate.

The application discloses a kind of medical packaging film printing drying drying waste gas treatment device, it is related to waste gas treatment technical field, including: the printing machine, dryer, waste gas treatment equipment, adsorption chamber and first assembly installed on it connected in turn, adsorption chamber is double-tank alternation structure, waste gas treatment equipment is communicated with dryer by external pipeline, first assembly includes: fixedly connected to the rectifier plate A and rectifier plate B in adsorption chamber interior;Through the synergistic effect of resistance wind touch rod, trigger plate, flow guide fin and the like components, the deflection angle of flow guide fin can be self-adaptively adjusted according to the size of waste gas wind force, when wind force is larger, deflection angle is reduced to reduce flow resistance, to avoid fan overload, when wind force is smaller, deflection angle is increased to fully disperse airflow, avoid local airflow distribution uneven, ensure that waste gas uniformly penetrates subsequent activated carbon layer, avoid the situation that waste gas is unevenly distributed under different wind volume.

The utility model belongs to the technical field of ink-jet printing, and particularly relates to high-speed and high-precision ink-jet printing equipment for two-dimensional code labels, which comprises a printing table. A printing machine is mounted at the top of the printing table; an unwinding roller is mounted at the end part of the printing table; two guide rollers are installed at the end, away from the unwinding roller, of the printing table. A drying box is fixedly connected to the middle of the printing machine. Two air boxes are fixedly connected to the end part of the drying box; a fan is mounted in the middle of the air bellow; two drainage plates are fixedly connected to the middle of the drying box; the two drainage plates are oppositely arranged in a staggered manner; the drainage plate is arranged in an L shape; a heating wire is mounted in the middle of the drying box; the heating wire is arranged in an arch shape; the heating wire is arranged between the two drainage plates; through the structure, ink drops on the surface of the printed label can be rapidly shrunk and shaped, the situation that the black and white module boundary of the two-dimensional code is fuzzy due to burrs formed after the ink drops to the surface of the label and diffuses to the periphery is reduced, and the two-dimensional code pattern is kept complete.