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31results about How to "Improve inkjet efficiency" patented technology

Ink-jet head control panel of ink-jet printer and method for transmission of printable data

The invention discloses an ink-jet head control panel of an ink-jet printer and a method for transmission of printable data. One end of the ink-jet head control panel is connected with a master control panel and used for receiving serial printed data after the data are processed and the other end of the ink-jet head control panel is connected with ink-jet heads and used for sending the printable data with no error after verification to the ink-jet heads. The ink-jet head control panel mainly comprises an FPGA, a DES, a CAN chip sending end (PHY), a power module and a peripheral control interface unit. The ink-jet head control panel is characterized in that an SDRAM is additionally arranged on the ink-jet head control panel and connected with the FPGA, bi-directional data transmission can be conducted between the SDRAM and the FPGA, and the SDRAM is used for storing the printable data with no error after the data are verified through the FPGA and finally outputting the printable data with no error after verification to at least one ink-jet head for printing. The SDRAM is provided with multiple zones, the number of the zones is identical to that of the ink-jet heads, and the printable data with no error after verification needed by each ink-jet head are stored in the corresponding zone. In the printing process, the stored printable data with no error after verification are sent to the corresponding ink-jet head for image-text printing by the SDRAM, the phenomenon that the data are transmitted to the ink-jet heads mistakenly after printing operation is started can be avoided, the functions of the ink-jet head control panel are completed, and the ink-jetting efficiency is improved.
Owner:BEIJING MEIKEYI

Method for automatically spray painting three-dimensional patterns on vehicle body surface

The invention discloses a method for automatically spray painting three-dimensional patterns on a vehicle body surface, and belongs to the field of vehicle digital design and manufacturing. The method for automatically spray painting the three-dimensional patterns on the vehicle body surface includes the steps of setting up a vehicle outer covering piece model through three-dimensional design software, dispersing the vehicle outer covering piece model into a triangular mesh model, thereby setting up the mapping relation between the triangular mesh model and a planar parameter region, inversely mapping points, corresponding to pattern pixel points, in the planar parameter region onto a vehicle body three-dimensional model based on the mapping relation, setting up the corresponding relation between the pattern pixel points and vehicle body three-dimensional points, storing color information of pixels, generating spray paint paths on the vehicle body three-dimensional model, adjusting the spray paint colors of the patterns according to the pixel color information corresponding to the path points, and then completing the process of automatically spray painting the three-dimensional patterns on the vehicle body surface by driving a spray painting robot. Various individualized patterns are automatically spray painted on the vehicle body surface under the control of a computer according to the spray painting paths generated through the method, and the principle is simple, the spray painting is even, the patterns are vivid, and the pattern spray painting efficiency is effectively improved.
Owner:DALIAN UNIV OF TECH

Automatic ink-jet blowing system for hot die forging press

The invention discloses an automatic ink-jet blowing system for a hot die forging press. The automatic ink-jet blowing system comprises an ink-jet system and a blowing system, which are arranged on an upper die seat of the hot die forging press, wherein the ink-jet system is used for jetting ink to cavities of dies on upper and lower die seats of the hot die forging press; and the blowing system is used for blowing air to the cavity of the die on the lower die seat of the hot die forging press. The automatic ink-jet blowing system is simple in structure, reduces the labor intensity of workers, can shorten production takt and improve the production efficiency; and particularly, the system is good in blowing cleaning effect, uniform and disperse in spraying, high in spraying speed and stable and reliable in operation.
Owner:CHONGQING UNIV +2

Ink jet printing machine with guiding belt transmission error compensation function

The invention discloses an ink jet printing machine with the guiding belt transmission error compensation function, and belongs to the field of ink jet printing equipment. An ink jet printing machinein the prior art cannot measure moving errors accurately and thus automatic and accurate ink jet printing cannot be achieved. According to the ink jet printing machine, a driving system drives an object to be printed to move automatically, manpower can be effectively saved and ink jet efficiency is improved; and meanwhile compared with manual regulation, more accuracy can be achieved. By means ofthe ink jet printing machine, no light source detection (sensing) equipment and camera shooting equipment need to be arranged, invested cost is low, the structure is compact, the moving errors can beobtained at once, no repeated measurement and image contrast are required, and the working efficiency is high. A position correction mechanism is arranged, an ink jet printing head device can be automatically adjusted to move accurately according to the moving errors of the object to be printed, the moving errors are accurately compensated for, and the scheme is detailed and practicable. The ink jet printing head device can be adjusted automatically through a mechanical structure, manpower can be effectively saved, and the ink jet efficiency is improved; and meanwhile compared with manual regulation, more accuracy can be achieved.
Owner:HANGZHOU HONGHUA DIGITAL TECH

LED support inkjet equipment and inkjet method thereof

The invention discloses a set of LED support inkjet equipment and an inkjet method of the LED support inkjet equipment. The inkjet equipment comprises an upper mold, a lower mold, an ink box, an ejector pin, an ink suction air cylinder, an inkjet air cylinder, an ink scraping air cylinder, a horizontal workbench, a vertical supporting frame and a controller. Driving actions of all the air cylinders on the ink box, the ejector pin and the upper mold can be intelligently controlled by the controller so that ink storage space can be automatically reserved and automatic ink filling and automatic inkjet and the like can be achieved, the inkjet efficiency is improved, and the production cost is reduced. High-seal high-pressure inkjet operation can be performed on LED supports in a mode of an immersion cavity, so that the inkjet layer of each LED support is compact and uniform, the adhesion force is increased, ink overflow, leaky white, irregularity and other undesirable phenomena cannot happen easily, and the quality of the products is improved. Meanwhile, a plastic base of each LED support does not need to be formed for the second time, the production cost is reduced, and the performance of the products is improved. In the inkjet mode, the distance between the LED supports can be smaller (larger than 0.3 mm), and complex LED supports with high density, large area and multiple particles can all be produced efficiently.
Owner:DONGGUAN KECHENDA ELECTRONICS TECH

Unmanned aerial vehicle automatic airbrushing device

Disclosed is an unmanned aerial vehicle automatic airbrushing device. The unmanned aerial vehicle automatic airbrushing device is characterized by comprising an unmanned aerial vehicle, an automatic airbrushing device body mounted on the unmanned aerial vehicle, and a remote control device, the remote control device comprises a remote control device controlling end and a remote control device controlled end mounted on the unmanned aerial vehicle, and the remote control device comprises a device controlling flying direction and flying speed of the unmanned aerial vehicle and an automatic airbrushing control device controlling the automatic airbrushing device body. By using the unmanned aerial vehicle automatic airbrushing device, climbing for manual airbrushing of a tall wall is avoided, safety of airbrushing personnel is guaranteed, and airbrushing effect is good. Extra work for manual climbing and arranging of safety equipment is omitted, so that energy resources are saved, and working efficiency is improved.
Owner:SUZHOU UNIV

Method for vertical arranging color ink jet plotter nozzles

InactiveCN1451541AReduced rearrangement operationsImprove inkjet efficiencyPrintingHorizontal and verticalPlotter
A vertical arranging method for the nozzles of color ink-jet plotter is characterized by that 4 nozzles for yellow ink, pinkish red ink, green ink and black ink are sequentially arranged in vertical direction. Each nozzle has 2N jet pinholes, where N-32-256. The position of the nozzle for yellow ink is used as the horizontal reference. The horizontal position of the first jet pinhole of next nozzle is between N and N+1 pinholes of previous nozzle. Its advantages are high print precision in X and Y directions and high printing efficiency.
Owner:SHANGHAI JIAO TONG UNIV

Spraying technology for colored sculpture of ceramic tile and product thereof

The invention discloses a spraying technology for colored sculpture of a ceramic tile. The technology comprises the following steps: 1) pasting a protection membrane; 2) cutting edge; 3) peeling off the protection membrane; 4) sculpturing; 5) cleaning; 6) spraying paint. The invention further discloses a ceramic tile product which implements the technology. The technology provided by the invention has simple steps, can be implemented easily, is high in spraying efficiency, strong in character, high in flexibility, and free from limitation of bottom color of the ceramic tile, and can have customized color, pattern and size, enable the surface of the ceramic tile to display stereoscopic embossing quickly, and spray corresponding colors on the embossing according to personal preference, so that the ceramic tile has richer and more various patterns and colors, stronger attraction and artistry, and better decoration, and can enable people to perceive the art during busy and boring working and living and to enjoy life; the pattern of the ceramic tile product provided by the invention is colorful, various, beautiful, elegant, fashionable, and suitable for popularization and application.
Owner:陈权胜

Pattern spray-painting device for glass curtain wall

The invention relates to a spray-painting device, in particular to a pattern spray-painting device for a glass curtain wall. The pattern spray-painting device for the glass curtain wall aims to achieve the purposes of high spray-painting efficiency, remarkable spray-painting effect and high practicability. The pattern spray-painting device for the glass curtain wall comprises a first support, a motor, an upper bearing block, a screw rod, a disc, a first connecting rod, a second connecting rod, a sliding sleeve, a leftward-rightward swinging rod, a fixing plate, a nut, a lower bearing block and the like, wherein the first support and a triangular support are arranged on the ground; the motor, the upper bearing block and the lower bearing block are sequentially arranged on the right side of the first support from top to bottom; the screw rod is connected between the upper bearing block and the lower bearing block; the upper end of the screw rod is connected with the motor; the nut is installed on the screw rod and matched with the screw rod; and the fixing plate is arranged on the right side of the nut. The pattern spray-painting device for the glass curtain wall achieves the effects of high spray-painting efficiency, remarkable spray-painting effect and high practicability.
Owner:张美容

Piezoelectric inkjet printing spray head structure preventing ink backflow

The invention provides a piezoelectric inkjet printing spray head structure preventing ink backflow. An ink supply channel is connected with an ink box. Due to capillary force action, the ink supply channel, a flow limiting part, a pressure generation cavity and a flow guide part are full of ink sequentially, and the ink reaches a nozzle. An upper electrode, piezoelectric ceramics, a lower electrode and a vibration plate form a driving element, when the upper electrode and the lower electrode are electrified simultaneously, the piezoelectric ceramics deform due to an inverse piezoelectric effect, then the vibration plate is driven to deform, the vibration plate deforms to extrude the ink in the pressure generation cavity, the flow limiting part and the flow guide part prevent the ink fromflowing back to the ink supply channel, and the ink is sprayed out from the nozzle. The piezoelectric ceramics are used for the piezoelectric inkjet printing spray head structure, the driving elementgenerate driving force, removing machining is conducted on the base part corresponding to the pressure generation cavity, and the driving element is in a suspension state and is located in the e pressure generation cavity. The piezoelectric inkjet printing spray head structure is simple in manufacture process, low in cost and good in process repeatability and has an ink backflow prevention effect.
Owner:大连瑞林数字印刷技术有限公司

A fully-automatic cloth printing machine

The invention discloses a fully-automatic cloth printing machine which comprises bottom fixed sucking discs, a rack, exhaust fans, an intelligent controller and a drag motor. The rack is arranged above the bottom fixed sucking discs. A bearing is arranged above the frame. A cloth winding shaft is arranged beside the bearing. The drag motor is arranged beside the cloth winding shaft. A pulley is arranged beside the drag motor. A belt is arranged above the pulley. A rolling shaft is arranged above the belt. The exhaust fans are arranged in front of the rolling shaft. Hinges are arranged beside the exhaust fans. Side-opening type protection doors are arranged beside of the hinges. Drying openings are arranged above the side-opening type protection doors; a roller is arranged above the dryingopenings; printing nozzles are arranged above the roller; and an operation table is arranged above the printing nozzles. The beneficial effects are that the painting efficiency is greatly raised; thepatterns are more beautiful; and the colors are firmer and better.
Owner:SHENGZHOU BINGE CLOTHING CO LTD

Printing device for cable markers

The invention relates to the technical field of printing devices, and particularly relates to a printing device for cable markers. The printing device comprises a workbench, a material storage box anda guide block is arranged on the top part of the workbench, a discharge channel is arranged at the bottom of the material storage box, a guide groove which is inclined downwards is formed in the topof the guide block, the tail end of the top part of the guide groove is located right below the discharge channel, and a printing table is arranged on the front side of the guide block; a cable markergroove is formed in the top part of the printing table, a first air cylinder is arranged on the left side of the printing table, a piston rod of the first cylinder faces the printing table and the tail end of the piston rod of the first air cylinder is provided with a first push block, a second air cylinder is arranged on the right side of the guide block, a piston rod of a second cylinder facesthe front and the tail end of the piston rod of the second cylinder is provided with a second push block, a machine frame is arranged on the left side of the printing table, and an ink-jet printer isarranged on the right side of the machine frame. According to the printing device for the cable markers, the cable markers in the material storage box are fallen one by one passing through the discharging channel, the cable markers are arranged in an orderly manner, after the printing is completed, the cable markers are pushed out by the first push block, the cable markers located above are rolleddownwards to continue to be printed, the cable markers do not need to be replaced manually, and the printing efficiency is improved.
Owner:HUNAN CITY UNIV

Lens ink-jet tooling

The invention provides a lens ink-jet tooling. The lens ink-jet tooling is used for mounting lenses, each lens is provided with an ink-jet side wall, a first surface and a second surface, the ink-jettooling comprises a first tooling plate provided with a plurality of first accommodating holes, a second tooling plate covering the first tooling plate and provided with a plurality of second accommodating holes, a first covering film attached to the first tooling plate and a second covering film attached to the second tooling plate, the first accommodating holes are provided with first mounting walls and first enclosing walls, the positions, away from the second tooling plate, of the first mounting walls extend towards the interiors of the first accommodating holes to form first abutting parts, the second accommodating holes are provided with second mounting walls and second enclosing walls, the positions, away from the first tooling plate, of the second mounting walls extend towards theinteriors of the second accommodating holes to form second abutting parts, and each ink-jet side wall, the first enclosing wall on the corresponding side and the second enclosing wall on the corresponding side define an ink-jet hole. According to the lens ink-jet tooling, the lenses can be fixed, two-face spraying can be carried out by directly overturning the tooling, and the lens ink-jet efficiency is improved.
Owner:AAC OPTICS (CHANGZHOU) CO LTD

Automatic printing method of three-dimensional pattern on vehicle body surface

The invention discloses a method for automatically spray painting three-dimensional patterns on a vehicle body surface, and belongs to the field of vehicle digital design and manufacturing. The method for automatically spray painting the three-dimensional patterns on the vehicle body surface includes the steps of setting up a vehicle outer covering piece model through three-dimensional design software, dispersing the vehicle outer covering piece model into a triangular mesh model, thereby setting up the mapping relation between the triangular mesh model and a planar parameter region, inversely mapping points, corresponding to pattern pixel points, in the planar parameter region onto a vehicle body three-dimensional model based on the mapping relation, setting up the corresponding relation between the pattern pixel points and vehicle body three-dimensional points, storing color information of pixels, generating spray paint paths on the vehicle body three-dimensional model, adjusting the spray paint colors of the patterns according to the pixel color information corresponding to the path points, and then completing the process of automatically spray painting the three-dimensional patterns on the vehicle body surface by driving a spray painting robot. Various individualized patterns are automatically spray painted on the vehicle body surface under the control of a computer according to the spray painting paths generated through the method, and the principle is simple, the spray painting is even, the patterns are vivid, and the pattern spray painting efficiency is effectively improved.
Owner:DALIAN UNIV OF TECH

Automatic height adjusting spray head moving device of inkjet printer

The invention discloses an automatic height adjusting spray head moving device of an inkjet printer. The automatic height adjusting spray head moving device comprises a jet cavity. An ink box is arranged at the top end of the jet cavity, a left side plate and a right side plate are separately arranged on the left and right sides of the jet cavity, a connecting seat is arranged on the left side ofthe left side plate, a controller is arranged on the connecting seat, a driving motor is arranged at the upper end of the controller, lead screws are arranged in the left and right side plates, a coupling is arranged at the top end of each lead screw, guide rails are arranged on two sides of the lead screw, a slideway is arranged on each guide rail, a pulley is arranged in each guide rail, a connecting block is arranged between the pulleys, the connecting block is connected to a spray head seat, spray head grooves are uniformly formed in the spray head seat, distance sensors are arranged at four straight corners of the spray head seat, and a balancer is arranged on the upper surface of the spray head seat. The automatic height adjusting spray head moving device is simple in structure, canadjust the height automatically, improves the inkjet efficiency, and is high in accuracy and high in degree of automation.
Owner:褚培基

Device for analyzing outline molding drive signals and colorful 3D printer

The embodiment of the invention discloses a method and a device for analyzing outline molding drive signals and a colorful 3D printer. The outline molding drive signals are pulse signals used for driving an X-axis stepping motor and a Y-axis stepping motor corresponding to the molding link when the outline of the outermost circle is molded in the process that the colorful 3D printer conducts molding in a layer-by-layer stacking manner in the molding link so as to gradually form a target real object model. The method comprises the steps that target mechanical parameters are determined; moldingdrive pulse signals sent by a molding device when the process is conducted on the outer circle of any 3D printing layer in the layer-by-layer 3D printing process are collected, wherein the molding drive pulse signals are used for driving the X-axis motor and the Y-axis motor corresponding to the molding link; and according to the molding drive pulse signals and the target mechanical parameters, the outer circle path corresponding to the 3D printing layer is calculated. By adoption of the method and the device for analyzing the outline molding drive signals and the colorful 3D printer, the inkjet time needed in the colorful 3D printing inkjet link can be shortened, and the inkjet efficiency is improved.
Owner:SHENZHEN 7TH TECH CO LTD

An inkjet device for number pipes

The invention relates to the technical field of inkjet devices, in particular to an inkjet equipment for number pipes, which includes a workbench, a material storage box and a guide block are arranged on the top of the workbench, a discharge channel is arranged at the bottom of the material storage box, and an inclined direction is opened on the top of the guide block. The bottom guide groove, the top end of the guide groove is located directly below the discharge channel, the front side of the guide block is provided with a printing table, the top of the printing table is provided with a pipe groove, the left side of the printing table is provided with the first cylinder, and the piston rod of the first cylinder faces the printing The end of the table is equipped with a first push block, the right side of the guide block is provided with a second cylinder, the piston rod of the second cylinder faces forward and a second push block is installed at its end, a frame is installed on the left side of the inkjet table, and the right side of the frame is A printer is installed on the side. The number tubes use an inkjet device. The number tubes in the storage box fall one by one through the discharge channel and are arranged in an orderly manner. After the printing is completed, they are pushed out by the first push block, and the upper number tubes roll down to continue the inkjet work. Manually replace the number tube to improve the printing efficiency.
Owner:HUNAN CITY UNIV

Method and device for analyzing external contour command and colored 3D printing machine

ActiveCN109927280AReduce mechanical sizeReduce idle motionAdditive manufacturing apparatus3D object support structuresPhysical modelEngineering
The embodiment of the invention discloses a method and device for analyzing an external contour command and a colored printing machine. The external contour command is a GCODE instruction instructingthe colored 3D printing machine to move on the outermost ring of each 3D printing layer in the process that molding is performed in a layer-by-layer accumulation manner in a molding ink to gradually form a target physical model. The method includes the steps that an outer ring GCODE file corresponding to any 3D printing layer of the target physical model is acquired from the position of an upper computer connected with the colored 3D printing machine; the outer ring GCODE file comprises X axis coordinate data and Y axis coordinate data corresponding to the outer ring of the 3D printing layer;and according to the X axis coordinate data and the Y axis coordinate data, an outer ring path corresponding to the outer ring of the 3D printing layer is calculated. By adopting the method and devicefor analyzing the external contour command and the colored printing machine, the inkjet time needed in the injet link of colored 3D printing can be shortened, and the inkjet efficiency is improved.
Owner:SHENZHEN 7TH TECH CO LTD

Glass inkjet printing device

The invention relates to the technical field of computer inkjet printing and discloses a glass inkjet printing device. The glass inkjet printing device comprises a gantry frame. The two sides of the inner side of the gantry frame are provided with ink delivery flow channels. An ink storage box is movably connected to the interior of the gantry frame. The top of the ink storage box is movably connected with a lifting platform. By adjusting the distance of inkjet rollers, patterns obtained through inkjet printing are clear, vivid and beautiful. Springs on the outer side of spindles can achieve the shock absorption effect. An inkjet support and the inkjet rollers remain stable during adjustment without ink leakage, ink break and ink splashing. A heater can heat glass to be subjected to inkjetprinting, so that jet printing ink and glass have better bonding performance and are connected more firmly, and the jet printed patterns can be preserved for longer time. Meanwhile, ultraviolet lamps19 on the two sides can make jet printing ink rapidly dried and shaped, and the jet printing efficiency is improved. Lifting shafts drive the ink storage box to move up and down, so that the inkjet support and the inkjet rollers have the enough lifting distance. Therefore, the glass inkjet printing device has wider practicality.
Owner:成都成研创科科技有限公司

Device for analyzing driving signals for contour shaping, color 3D printer

The embodiment of the invention discloses a method and a device for analyzing outline molding drive signals and a colorful 3D printer. The outline molding drive signals are pulse signals used for driving an X-axis stepping motor and a Y-axis stepping motor corresponding to the molding link when the outline of the outermost circle is molded in the process that the colorful 3D printer conducts molding in a layer-by-layer stacking manner in the molding link so as to gradually form a target real object model. The method comprises the steps that target mechanical parameters are determined; moldingdrive pulse signals sent by a molding device when the process is conducted on the outer circle of any 3D printing layer in the layer-by-layer 3D printing process are collected, wherein the molding drive pulse signals are used for driving the X-axis motor and the Y-axis motor corresponding to the molding link; and according to the molding drive pulse signals and the target mechanical parameters, the outer circle path corresponding to the 3D printing layer is calculated. By adoption of the method and the device for analyzing the outline molding drive signals and the colorful 3D printer, the inkjet time needed in the colorful 3D printing inkjet link can be shortened, and the inkjet efficiency is improved.
Owner:SHENZHEN 7TH TECH CO LTD

Inkjet device for led support and inkjet method thereof

The invention discloses a set of LED support inkjet equipment and an inkjet method of the LED support inkjet equipment. The inkjet equipment comprises an upper mold, a lower mold, an ink box, an ejector pin, an ink suction air cylinder, an inkjet air cylinder, an ink scraping air cylinder, a horizontal workbench, a vertical supporting frame and a controller. Driving actions of all the air cylinders on the ink box, the ejector pin and the upper mold can be intelligently controlled by the controller so that ink storage space can be automatically reserved and automatic ink filling and automatic inkjet and the like can be achieved, the inkjet efficiency is improved, and the production cost is reduced. High-seal high-pressure inkjet operation can be performed on LED supports in a mode of an immersion cavity, so that the inkjet layer of each LED support is compact and uniform, the adhesion force is increased, ink overflow, leaky white, irregularity and other undesirable phenomena cannot happen easily, and the quality of the products is improved. Meanwhile, a plastic base of each LED support does not need to be formed for the second time, the production cost is reduced, and the performance of the products is improved. In the inkjet mode, the distance between the LED supports can be smaller (larger than 0.3 mm), and complex LED supports with high density, large area and multiple particles can all be produced efficiently.
Owner:DONGGUAN KECHENDA ELECTRONICS TECH

Double-sided painting method capable of splicing painting cloth, advertising cloth, lamp box and painting unit

ActiveCN114537008ARealize productized inkjet effectAccuracy meetsDuplicating/marking methodsTypewritersSolvent basedEngineering
The invention discloses a double-sided inkjet printing method capable of splicing inkjet printing cloth, advertising cloth, a lamp box and an inkjet printing unit. The method comprises the following steps: performing inkjet printing on a display surface of the inkjet printing cloth by adopting light-cured ink; solvent type ink which can be fused with the flex banner material is adopted to conduct flex banner on the opposite faces of the display faces of the flex banner, and the opposite faces of the display faces of the flex banner can be spliced. According to the invention, the spray-painting product which is high in picture quality and can be spliced can be produced, and the spray-painting effect of the ultra-large-breadth lamp box picture which keeps good visual impression day and night is realized.
Owner:SHANGHAI BIGIMAGE CO LTD

Efficient carpet printing system

The invention provides an efficient carpet printing system. The system comprises a support, a conveying device, a printing device and a printing solidifying device. The conveying device is located onthe support and comprises a front roll, an annular conveying belt and a rear roll. The two ends of the annular conveying belt are supported by supporting rolls. The printing device comprises a cross beam, an inkjet device and sliding rails which right face the upper portion of the annular conveying belt. The inkjet device moves along the cross beam left and right through the sliding rails. The printing solidifying device comprises a shell, and a heating plate and a fan which are located in the shell. The conveying device conveys a carpet to be within the scope of the printing device progressively, the inkjet device jets ink line by line, and then the carpet enters the printing solidifying device to be subjected to primary drying, and preparation is well made for the next procedure. The efficient carpet printing system is high in automation degree, high in efficiency in the inkjet process, and capable of effectively reducing human intervention at the same time.
Owner:TIANJIN ZEZHI TECH DEV CO LTD

Inkjet printer nozzle control board and printable data transmission method

The invention discloses an ink-jet head control panel of an ink-jet printer and a method for transmission of printable data. One end of the ink-jet head control panel is connected with a master control panel and used for receiving serial printed data after the data are processed and the other end of the ink-jet head control panel is connected with ink-jet heads and used for sending the printable data with no error after verification to the ink-jet heads. The ink-jet head control panel mainly comprises an FPGA, a DES, a CAN chip sending end (PHY), a power module and a peripheral control interface unit. The ink-jet head control panel is characterized in that an SDRAM is additionally arranged on the ink-jet head control panel and connected with the FPGA, bi-directional data transmission can be conducted between the SDRAM and the FPGA, and the SDRAM is used for storing the printable data with no error after the data are verified through the FPGA and finally outputting the printable data with no error after verification to at least one ink-jet head for printing. The SDRAM is provided with multiple zones, the number of the zones is identical to that of the ink-jet heads, and the printable data with no error after verification needed by each ink-jet head are stored in the corresponding zone. In the printing process, the stored printable data with no error after verification are sent to the corresponding ink-jet head for image-text printing by the SDRAM, the phenomenon that the data are transmitted to the ink-jet heads mistakenly after printing operation is started can be avoided, the functions of the ink-jet head control panel are completed, and the ink-jetting efficiency is improved.
Owner:BEIJING MEIKEYI

A Piezoelectric Inkjet Printing Nozzle Structure to Prevent Ink Backflow

The invention provides a piezoelectric inkjet printing spray head structure preventing ink backflow. An ink supply channel is connected with an ink box. Due to capillary force action, the ink supply channel, a flow limiting part, a pressure generation cavity and a flow guide part are full of ink sequentially, and the ink reaches a nozzle. An upper electrode, piezoelectric ceramics, a lower electrode and a vibration plate form a driving element, when the upper electrode and the lower electrode are electrified simultaneously, the piezoelectric ceramics deform due to an inverse piezoelectric effect, then the vibration plate is driven to deform, the vibration plate deforms to extrude the ink in the pressure generation cavity, the flow limiting part and the flow guide part prevent the ink fromflowing back to the ink supply channel, and the ink is sprayed out from the nozzle. The piezoelectric ceramics are used for the piezoelectric inkjet printing spray head structure, the driving elementgenerate driving force, removing machining is conducted on the base part corresponding to the pressure generation cavity, and the driving element is in a suspension state and is located in the e pressure generation cavity. The piezoelectric inkjet printing spray head structure is simple in manufacture process, low in cost and good in process repeatability and has an ink backflow prevention effect.
Owner:大连瑞林数字印刷技术有限公司
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