4055 results about "Printing press" patented technology

The invention provides a printing machine equipment safety production control method and system, and relates to the technical field of printing machines, and the method comprises the steps: collecting the operation data of a printing machine group through a multi-mode sensor, extracting dynamic characteristics through a time sequence attention mechanism, and constructing a space-time incidence matrix to represent the coupling relation between the printing machines. And constructing a hierarchical deep learning model, integrating feature fusion, time sequence prediction and risk assessment, analyzing the health state of the equipment, calculating an overall safety risk index and identifying fault equipment. And generating an optimal scheduling scheme including an equipment start-stop sequence and a load distribution strategy based on a scheduling decision model of deep reinforcement learning in combination with a safety threshold, resource distribution and production efficiency constraints, and realizing safe and efficient scheduling of the printing machine group. Potential risks can be effectively identified, safety accidents are avoided, and the production efficiency is improved.

The invention relates to the technical field of artificial intelligence, in particular to a digital printer control system based on artificial intelligence and a control method thereof. The system comprises a data collection simulation unit used for collecting historical printing data, generating ink diffusion simulation data and actual ink diffusion images under different conditions, and establishing a defect database at the same time; the prediction model building unit is used for building a space-time prediction model of ink diffusion, training the space-time prediction model by using ink diffusion simulation data, and finally generating a total loss function; and the feedback optimization unit is used for monitoring the change trend of the total loss function in real time. According to the digital printing machine control system based on artificial intelligence and the control method thereof, the prediction precision and the control effect of printing quality can be improved, fine ink diffusion differences caused by paper adsorbability changes can be effectively captured, and therefore accurate prediction of various defects possibly occurring in the printing process is achieved; the printing efficiency and the product quality are improved.

The invention provides an accurate printing method of a rotary press, and relates to the technical field of data processing.The method comprises the steps that printing data are obtained, a thickness and tension relation curve is constructed through the gradient fitting principle, and deformation curve data are obtained; based on the mapping relation between the material deformation quantity and the imprinting response, the displacement change of each printing point position is calculated, and an error vector sequence is generated; a roller compensation proportion parameter is generated by combining different roller load structure differences, so that a roller phase reference instruction is adjusted, and a static fine adjustment vector set is obtained; constructing a dynamic adjustment parameter set for roller control synchronous adjustment by combining the transmission characteristics of the roller and servo system parameters, and generating a control scheduling signal flow through a time discrete mode; according to the control scheduling signal flow, the relative position between the rollers is finely adjusted in real time, so that the image-text edge positioning error is kept within a preset tolerance range; the autonomy and accuracy of the printing machine are improved.

The utility model relates to the technical field of beverage cup processing, and provides a printing cup automatic packaging and marking device which comprises a controller, a rack, a first conveying mechanism, a second conveying mechanism, a limiting mechanism, a pushing mechanism, a counting sensor, a sealing, cutting and thermal shrinkage all-in-one machine, an air blowing mechanism and a packaging bag printing machine. The limiting mechanism is arranged on the machine frame in a vertically-lifting mode and located between an outlet of the first conveying mechanism and an inlet of the second conveying mechanism, the conveying of the plastic cups is separated according to the packaging number of the plastic cups, and the blowing mechanism is arranged at the front end of a plastic bag packaging groove of the sealing, cutting and thermal shrinkage all-in-one machine and blows air into a plastic bag space for packaging the plastic cups. The first conveying mechanism, the second conveying mechanism, the limiting mechanism, the pushing mechanism, the sealing, cutting and thermal shrinkage all-in-one machine, the blowing mechanism and the packaging bag printing machine are all connected with and controlled by a controller. The small-package plastic cup packaging machine solves the problems that existing small-package plastic cups are slow in packaging speed and low in efficiency.

The utility model discloses a printing ink blocking mechanism for preventing ink splashing, and relates to the technical field of gravure printing machines, including a base, an ink tank fixedly installed on the top of the base, a wedge-shaped mounting block fixedly installed on one side of the ink tank, and a sliding plate slidably installed in the wedge-shaped mounting block. The utility model inserts a spring steel sheet into the sliding plate, and then fixes it by bolts, and then inserts the sliding plate as a whole into the wedge-shaped mounting block, and limits the position by the block, because the spring steel sheet has elasticity, at this time, the upper end of the spring steel sheet contacts the scraper, and when the scraper needs to be adjusted, the spring steel sheet can always contact the lower end of the scraper, and the ink splashed from the ink transfer roller will be blocked by the guide slope of the spring steel sheet, and then flow back into the ink tank through the guide slope, and because the sliding plate is slidably installed on the wedge-shaped mounting block, when the gravure printing machine is stopped, the sliding plate can be slid out as a whole, and then the spring steel sheet can be wiped, and cleaning is also more convenient.

The invention discloses a packaging printing machine with a cooling roller, and relates to the technical field of printing machines. The device specifically comprises a device body, the top of the device body is fixedly connected with a fixing frame, and an ink fountain is arranged outside the device body; the printing machine with the cooling roller for packaging further comprises a control mechanism used for blocking the water inlet position and the water outlet position, the control mechanism is fixedly connected to the outer portion of the fixing frame and comprises a sliding plate, a motor box is fixedly connected to the outer portion of the sliding plate, a first telescopic rod is fixedly connected to the interior of the motor box, and a second telescopic rod is fixedly connected to the outer portion of the motor box. A first adjusting rod and a second adjusting rod are fixedly connected to the exterior of the first telescopic rod, a second fixing box is fixedly connected to the bottom of the second adjusting rod, and the sliding plate is slidably connected to the interior of the fixing frame. And the clamping mechanism is fixedly connected to the interior of the second fixing box, and the purpose of improving the use efficiency of equipment is achieved through the printing machine with the cooling roller for packaging.

The utility model discloses a screen printing machine glue scraping mechanism which comprises an installation plate, a first side supporting plate, a second side supporting plate, a rotating plate, scraping plates, a limiting block, a limiting clamping plate, an air cylinder and a clamping piece. The rotating plate can be driven by a motor to rotate, and therefore the scraping plates on the upper end face and the lower end face of the rotating plate can be continuously switched; according to the invention, a single scraper is prevented from being heated and softened after being continuously contacted and rubbed with a silk screen, the influence on the printing quality after the printing pressure is reduced is avoided, the heat dissipation of the scraper is also facilitated in the rotating process of the scraper, the limiting block is a square limiting block with the periphery in smooth transition, the limiting clamping plate is a clamping plate with a U-shaped section, and the limiting block is clamped on the limiting clamping plate; by arranging the limiting block and the limiting clamping plate, the motor can drive the rotating plate to rotate by 90 degrees at a time, so that the scraping plates on the upper end face and the lower end face of the rotating plate are conveniently positioned, converted and adjusted, the clamping piece is driven by the air cylinder to descend to clamp the scraping plates, and the stability of the scraping plates and the reliability of the device can be improved when the device does reciprocating glue scraping motion.

The utility model relates to printing equipment with a multi-mode switching structure, a printing unit at least comprises two unit units, the printing unit is arranged between a front mechanism and a rear mechanism, and the front mechanism comprises a front traction device and a front floating device; the rear mechanism comprises a rear traction device and a rear floating device; the rear traction device is connected with the centralized curing mechanism; each unit comprises a working module, and each working module comprises a printing mechanism, a unit curing mechanism and a unit floating mechanism; a unit floating seat of the unit floating mechanism is provided with a unit front floating roller and a unit rear floating roller, and each unit unit further comprises a unit front traction device and a unit rear traction device. According to the multi-mode switching structure, all matching structures are reserved in the structure of the multi-mode switching structure, printed materials can be fed and wound in different paths according to different requirements, different printing modes can be switched and selected, and the different modes have the structure capable of being shared, so that the printing equipment with the multi-mode switching structure is relatively compact, and the effect that one machine has multiple purposes is achieved.

The invention provides an environmental protection evaluation method and system based on operation parameters of an integrated printer, and relates to the technical field of green printing, and the method comprises the steps: inputting the operation parameters of the integrated printer into a neural network algorithm, calculating environmental protection index scores of VOCs, wastewater, energy consumption, solid waste and the like, and generating a printing technology optimization suggestion based on the environmental protection index scores. And the self-adaptive fuzzy PID control algorithm is adopted to automatically adjust the operation parameters, and it is ensured that the environmental protection index score reaches the preset threshold value, so that environmental protection optimization of the printing process is achieved, the resource utilization efficiency is improved, and environmental pollution is reduced.

The invention relates to the technical field of printing machines, in particular to a printing platform and a printing machine.The printing platform comprises a horizontal moving sliding table, a folding transposition area and a printing area are arranged on the horizontal moving sliding table, and a folding mounting base is mounted at the movable end of the horizontal moving sliding table and composed of a fixed mounting base and a turnover mounting base; a turnover buffer mechanism is mounted between the fixed mounting seat and the turnover mounting seat, a fixed adsorption placement plate is mounted on the fixed mounting seat, a movable adsorption placement plate is mounted on the turnover mounting seat, the movable adsorption placement plate and the fixed adsorption placement plate are both used for limiting and adsorbing printing paper, and two sets of guiding and correcting devices are arranged on the two sides of the horizontal moving sliding table. According to the printing equipment, the printing cost is effectively reduced, and meanwhile, the printing efficiency is ensured.

The invention relates to the technical field of corrugated paper production, one embodiment of the invention provides a dust removal device for corrugated paper production, the dust removal device comprises a rack, and further comprises a conveying belt, a dust collection box, a brush and a cutting knife, the conveying belt is arranged in the rack through a transmission mechanism, a plurality of through holes are formed in the conveying belt, and the dust collection box is arranged on the conveying belt; the dust collection box is arranged in the rack through the dust collection mechanism, the top end of the dust collection box makes contact with the inner wall of the conveying belt, double-face dust removal can be conducted on corrugated boards, the brush is arranged at the top end of the rack through the rotating mechanism and used for driving the brush to brush off dust on the surfaces of the corrugated boards, and the cutting knife is arranged at the top end of the rack through the cutting mechanism. According to the technical scheme, the corrugated board cutting device is used for solving the technical problems that in the prior art, dust removal is conducted on corrugated boards through a brush before the corrugated boards enter a printing machine, impurities and dust which are firmly attached are difficult to clean through the dust removal mode, and the dust removal efficiency of the corrugated boards is reduced.

The invention discloses a printing machine accessory laser detection device, and relates to the technical field of printing machine accessory production, the printing machine accessory laser detection device comprises a tool substrate and a laser detection assembly, the laser detection assembly is arranged below the tool substrate, and the laser detection assembly comprises an air cylinder fixed to the back end of the tool substrate through a bolt; a connecting plate is fixedly connected to the telescopic end of the air cylinder, a lifting rod is fixedly connected to the bottom of the tail end of the connecting plate, gear rings are fixed to the middle of the lifting rod in the radial direction at equal intervals, and a prism is fixedly installed at the tail end of the lifting rod. According to the non-contact measurement scheme based on the laser displacement sensor, the laser displacement sensor is responsible for measuring the position of the inner wall of the roller, the prism is used for changing the direction of the laser, the upper computer software is responsible for data processing and display, and compared with a traditional laser coaxial displacement meter, the laser displacement sensor is lower in cost and more accurate in measurement. Physical contact with the inner wall of the roller is not needed in the whole measurement process, and contact damage is avoided.

The invention provides a vertical screen printing machine CCD automatic alignment device, and relates to the field of circuit board production, the vertical screen printing machine CCD automatic alignment device comprises a mounting plate seat, two conveying double guide rails are arranged on the two mounting plate seats, a first vertical feeding frame and a second vertical feeding frame are arranged on the two conveying double guide rails respectively, a PCB body is arranged on the first vertical feeding frame, and the PCB body is arranged on the second vertical feeding frame. And a CCD (Charge Coupled Device) camera mechanism is arranged on one mounting plate seat. The CCD camera mechanism is arranged, the problem of alignment of the vertical printing machine is solved, a target hole is automatically found after the position of a PCB area calibration hole is photographed through four cameras or two cameras at opposite angles, front and back symmetrical screen frames are controlled through algorithm software to automatically adjust the position to be aligned with a screen graph, high-precision printing is achieved, and the printing efficiency is improved. And meanwhile, when the CCD camera mechanism runs and is used, the adjusting hand wheel can be quickly locked through the hand wheel locking module after being used, the situation that the adjusting position deviates is avoided, and the printing precision is further improved.

The invention relates to the technical field of printing, in particular to a flexo printing machine control method and system based on machine vision. The method comprises the following steps: collecting surface image data of a printed matter in a motion state in real time, separating and identifying a preset printing feature region from the image data, and obtaining geometric feature parameters of the region relative to a reference position; generating a multi-axis cooperative position compensation instruction of the printing unit according to the deviation value of the geometrical characteristic parameter and a preset target characteristic; converting the position compensation instruction into an adjusting parameter of a servo driving system in real time, and dynamically adjusting the pressure of a printing roller of a printing unit and the displacement of a registration mechanism; and synchronously outputting a defect type judgment signal and correlating the adjustment parameter correction value based on the form change of the printing feature region in the updated image data. According to the method, the stability and the adjusting efficiency of the printing quality are improved, and the defects that a traditional method is lagged in response and inaccurate in adjustment are overcome.

The invention relates to the technical field of waste gas treatment, and provides a waste gas treatment device for a corrugated paper printing machine, which comprises a tower body, a filter plate, a fixed disc, a supporting disc, a spraying mechanism, a cleaning mechanism and a communicating pipe, a gas inlet pipe is arranged at the bottom end of the side wall of the tower body in a communicating manner, and a gas outlet is formed in the top end of the tower body; the filter plate is fixedly arranged in the tower body, the fixed disc is sealed and fixedly arranged in the tower body, the fixed disc is located on one side of the filter plate, a supporting disc is fixedly arranged on the side, away from the filter plate, of the fixed disc in the tower body, a plurality of ventilation openings are formed in the supporting disc, and the spraying mechanism is arranged on the supporting disc and used for spraying purification liquid on waste gas. The cleaning mechanism is arranged in the tower body and used for cleaning the filter plate, and by means of the technical scheme, the technical problem that in the prior art, the mixing effect of spraying liquid and waste gas is poor in the waste gas spraying and purifying process is solved.

The utility model provides a paper deviation rectifying structure for a printing machine. The paper deviation rectifying structure for the printing machine effectively solves the problems that in an existing deviation rectifying structure for the printing machine, friction force on the side edges of paper is large, and the structure is not simple and reliable enough. According to the technical scheme, the device comprises a rack, a transmission belt capable of moving left and right is installed in the rack, a rotating shaft arranged in the front-back direction is arranged above the transmission belt, the end of the rotating shaft is rotationally connected to the rack, and the rotating shaft can actively rotate; the two spiral pieces at the two ends of the rotating shaft are opposite in rotation direction and are symmetrical in the front-back direction. The correcting device is ingenious in structure, friction to the side edges of paper is reduced under the condition that the correcting capacity of the printer is guaranteed, it is guaranteed that the paper can synchronously move along with the conveying belt, the structure is simpler and more reliable, and the correcting and correcting effects are better.

The utility model relates to printing equipment with a color cell curing function, unit units of a printing unit of the printing equipment are arranged front and back, the front side of the printing unit is a printed material input side, the rear side of the printing unit is a printed material output side, and a working module of each unit unit comprises a printing mechanism, a unit curing mechanism and a unit floating mechanism; a unit front floating roller and a unit rear floating roller are arranged on a unit floating seat of the unit floating mechanism, each unit unit comprises a unit front traction device and a unit rear traction device, the structure is relatively simple, and even a printing stock main traction structure does not need to be additionally arranged on the front side and the rear side of the printing unit. And the printed material can be fed and wound in different paths according to different requirements, continuous printing and intermittent printing can be met, and the continuous printing and the intermittent printing have a shared structure, so that the printing equipment is relatively compact, a plurality of printing equipment does not need to be purchased, the use site requirement is relatively low, and the printing efficiency is improved. And one machine with multiple purposes is realized.

The utility model discloses an HTCC ceramic chip hole-filling printing machine printing platform which comprises a rack table, a horizontal transverse sliding rail is horizontally and transversely arranged on the rack table, an installation base is arranged on the horizontal transverse sliding rail in a sliding mode, and a drag chain used for driving the installation base to slide on the horizontal transverse sliding rail is arranged on the rack table. A printing platform is arranged on the mounting base, a mounting block is arranged on one side of the mounting base, a rotating breathable paper feeding shaft and a rotating breathable paper receiving shaft are horizontally and longitudinally arranged on the mounting block, and breathable paper is wound on the breathable paper feeding shaft and the breathable paper receiving shaft. The breathable paper is led out of the breathable paper feeding shaft, passes through the printing platform and then is wound on the breathable paper receiving shaft, a negative pressure hole is formed in the printing platform, and the breathable paper on the printing platform is adsorbed to the printing platform through negative pressure in the negative pressure hole. The printing platform of the HTCC ceramic chip hole filling printing machine is used for small hole filling printing of HTCC ceramic chips.

The invention provides a multivariate data-based printing machine top project approval design method, which relates to the technical field of printing equipment, and comprises the following steps of: acquiring printing machine operation data comprising printing quality parameters, equipment working condition parameters and environment parameters; performing feature analysis and parameter extraction through an adaptive fuzzy clustering algorithm, dynamically adjusting a sample classification membership degree, identifying a key parameter combination influencing the printing quality, and constructing a correlation matrix; constructing a dynamic Bayesian probability network model based on a parameter mapping relation, constructing a core network structure through an information entropy value and information gain, and establishing probability association between a printing quality parameter and an equipment working condition parameter; and determining the optimal parameter configuration of the function modules of the printing machine by utilizing a bidirectional constraint dynamic programming algorithm and combining the coupling weight and the state transition equation among the function modules, and generating a top design scheme.

The invention belongs to the technical field of image enhancement, and particularly relates to an image enhancement method for printing plate inspection of a printing machine, which comprises the following steps of: S1, acquiring an original digital image of a printing plate to be inspected, and performing multi-scale decomposition, detail remapping and image reconstruction on the original digital image to obtain an enhanced image; s2, a multi-scale decomposition process: processing an input image of any scale level l from fine to rough: calculating a local gradient covariance matrix, a local information entropy graph and gradient consistency measurement of the input image; and constructing a spatial variable filtering kernel, and filtering the input image by using the spatial variable filtering kernel to obtain a baseband image. According to the method, amplification of background noise and irrelevant textures can be inhibited while the contrast of weak flaws is enhanced, and the obtained enhanced image is high in signal-to-noise ratio, outstanding in flaw feature and clear in edge contour.

The present invention discloses a gas infrared radiation and hot air dual-mode drying furnace for drying printing inks, which comprises a furnace body housing. Inside the furnace body housing, there are a heating chamber and two machine position chambers. The two machine position chambers are symmetrically distributed at the top and bottom of the heating chamber. An inlet and an outlet penetrating through the furnace body housing are respectively arranged on both sides of the middle of the heating chamber. The present invention heats printing paper through two modes of gas infrared radiation and hot air. Due to the physical properties that infrared rays can penetrate and objects can actively absorb the heat of infrared rays, the ink and the interior of the paper can be quickly heated. In the later stage, the high-temperature flue gas waste gas generated by the front-end gas infrared radiation burner is used, and is guided to the air knife for drying through the hot air circulation mode by a blower and a forced air blower. The gas consumption of the burner is lower, and the heating speed is faster, further reducing the gas energy consumption. Under the condition of the same gas consumption, the speed of the printing press is significantly increased, meeting the requirement of lower gas energy consumption of existing conventional gas burners.

The invention relates to the technical field of thickness laser measurement, and discloses a composite printing machine film thickness laser measurement device which comprises a supporting base, a fixing support is arranged on one side of the top of the supporting base, and one distance sensor is arranged on the top of the fixing support. The other distance sensor is arranged at the center of the top of the supporting base; the auxiliary measuring mechanism is located on one side of the thin film tightening mechanism, and a thin film winding mechanism is arranged on one side of the auxiliary measuring mechanism. According to the film thickness laser measuring device of the composite printing machine, the distance between fourth tightening rods is controlled, the tightening degree is adjusted, a film is tightened conveniently and kept horizontal, a distance sensor is fixed to the top of the film through a fixing support, and another distance sensor is arranged at the position, under the distance sensor, of the bottom of the film. The height of the fixing support is fixed, the distance sensor measures the distance between the distance sensor and the film through the laser detection probe, and the thickness of the film can be obtained.

The utility model relates to a unit type printing machine which comprises a front mechanism, a printing unit and a rear mechanism, the printing unit at least comprises two unit units, the printing unit is arranged between the front mechanism and the rear mechanism, each unit unit comprises a printing mechanism, the front mechanism comprises a front traction device, and the rear mechanism comprises a rear traction device. The front traction device comprises a front traction roller; the rear mechanism comprises a rear traction device, and the rear traction device comprises a rear traction roller; each unit comprises a printing mechanism, and the rear traction device is further provided with a centralized curing mechanism. The unit type printing machine has a centralized curing non-rollback continuous printing mode, and is relatively simple in structure and simple and convenient to operate; in addition, more alternative printing modes such as a grouped curing non-rollback continuous printing mode, an intermittent overall rollback printing mode and a continuous non-rollback printing mode can be optimized and formed, different printing modes can share part of structures, and a multi-purpose structure is formed.

The invention discloses paper product processing and conveying equipment, and relates to the field of paper product processing, the paper product processing and conveying equipment comprises a paper product stacking seat, a connecting frame is fixedly mounted at the bottom of the paper product stacking seat, a mounting table is fixedly arranged at the bottom of the connecting frame, and a plurality of groups of supporting columns are uniformly mounted at the bottom of the mounting table; a stepping conveying mechanism is installed below the paper product stacking base, one end of the paper product stacking base is fixedly connected with a conveying belt butt joint channel, a supporting frame is fixedly connected to the bottom of the conveying belt butt joint channel in a screwed mode, the end, away from the conveying belt butt joint channel, of the supporting frame is fixedly connected with a mounting table in a screwed mode, and four sets of bearing frames are evenly installed on the surface of the mounting table. According to the paper product processing and conveying equipment, the stepping conveying mechanism can be matched with the working rhythm of a printing machine, paperboards can still be accurately conveyed to the printing position piece by piece under the condition of high-speed operation, the high-speed printing performance of the printing machine can be fully exerted, and efficient production is achieved.

The invention provides a transverse registration error model construction method, a model, a control method and a printer, and the method comprises the steps: building a coiled material elastic curve relation through a beam theoretical equation according to motion control parameters and material mechanical coupling parameters of a coiled material and a printing roller of a roll-to-roll printer; determining a general solution coefficient of a fourth-order differential equation of an elastic curve of the coiled material according to a given boundary condition of the coiled material between an upstream printing roller and a downstream printing roller to obtain an equation of curvature at the downstream roller; the transverse speed and the transverse acceleration of the coiled material are combined with the curvature equation of the printing roller, and the relation between the printing roller and the transverse displacement of the reel base material is obtained; and combining the relation between the transverse displacement of the printing roller and the transverse displacement of the reel base material with the transverse registration error equation of the printing roller to obtain a final transverse registration error model. According to the registration data output by the transverse registration error model, the upstream disturbance is compensated through the feed-forward controller, the registration precision of roll-to-roll printing is remarkably improved, the production cost is reduced, and the production efficiency is improved.

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 utility model relates to the field of screen printing machines, and discloses a screen printing machine with a drying device, a bottom plate is arranged at the bottom end of each lengthening frame, an upper baffle piece is arranged above each lengthening frame, and a plurality of upper air pipes and lower air pipes which are distributed at equal intervals are arranged at the upper ends and the lower ends of the left sides and the right sides of the two lengthening frames respectively. A plurality of second exhaust holes which are distributed in a linear mode are formed in the lower surface of the upper air pipe, a plurality of first exhaust holes which are distributed in a linear mode are formed in the upper surface of the lower air pipe, and a complete space can be formed by the upper baffle piece, the side edge plate, the left side plate, the right side plate and the bottom plate. The upper air pipe and the lower air pipe are arranged on the upper side and the lower side of the interior of the space respectively, airflow with a certain temperature can be blown to the upper side surface and the lower side surface of the printing stock, the airflow flowing on the surface of the printing stock and the borne temperature are more uniform, and therefore ink on the printing stock is rapidly dried.

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 invention relates to the technical field of printing label quality, and discloses a printing label quality detection method and system, and the method comprises the steps: obtaining a first label, and building a plurality of judgment standard sets based on the first label; obtaining a second label, and performing quality judgment on the second label according to the plurality of judgment standard sets in sequence; outputting a quality judgment result of the second label, and adjusting the printing machine according to the result. According to the invention, the quality of the printed label can be automatically, quickly and accurately judged, and the detection efficiency and accuracy are greatly improved. Through a preset judgment standard set, the system can comprehensively detect the position, the shape, the color and the definition of the label, and it is ensured that each detail meets the quality requirement. In addition, the printing machine is adjusted in real time according to the detection result, generation of unqualified products is effectively avoided, the production cost is reduced, and the overall production efficiency is improved.