1688results about "Power drive mechanisms" patented technology

The invention discloses an automatic spraying device for inkjet printing equipment, belongs to the technical field of spraying, solves the problem that existing equipment can only process planes and cannot process curved surfaces and irregular surfaces, and comprises a workbench with a rotary clamping piece, a multi-dimensional adjustable spraying assembly and a processing unit. During working, the clamping piece fixes a workpiece and is driven by the motor to rotate, the laser scanner scans the workpiece to generate a three-dimensional model, and dynamic digital twin bodies are constructed in combination with equipment parameters; and the processing unit drives the nozzle to dynamically adjust the position and attitude under the cooperation of the motor through surface parameterization, trajectory planning and model prediction control, so that the optimal inkjet distance is ensured, and a multi-sensor fusion and error monitoring mechanism can correct the deviation in real time and automatically update the model and the trajectory when exceeding the limit. According to the invention, accurate spray painting of special-shaped workpieces with curved surfaces, concave surfaces and the like is realized, the spray painting precision and stability are improved, the application scene is widened, and the manual intervention requirement is reduced.

The invention provides an ink-jet method of a Micro OLED, and relates to the technical field of ink-jet printing of Micro OLEDs, the ink-jet method comprises an ink-jet unit and a laser following unit, the ink-jet unit comprises an ink-jet head, an ink-jet platform and an ink-jet control system, the laser following unit comprises a first non-contact sensor fixedly connected with the ink jet head, a second non-contact sensor fixed on the ink jet platform and a laser following control system, and the ink jet platform comprises an operation area and a correction area. Laser follows dynamic calibration and drawn patterns and is transmitted to the ink jet control system to control the ink jet head to jet ink, and the problems that in the prior art, the height of the ink jet head and the wafer target ink jet area is difficult to control, the glue amount precision is insufficient, and glue overflows or is not fully filled are effectively solved.

A printing system includes a conveyor, at least one ink jet head, and an actuator operable to move the at least one ink jet head relative to the conveyor. A first sensor and a second sensor are adapted to sense a particular dimension and an entire area of a surface of a package, respectively. A control system is responsive to the first sensor and the second sensor and is operable to position the at least one ink jet head for printing. A method of printing is also disclosed.

The invention discloses an automatic batch aligning and positioning method and system based on visual AI, and relates to the field of automatic adjustment of printing gaps. The method comprises the following steps: acquiring a panoramic image of a platform to analyze the contour, coordinates and material attributes of a workpiece; dividing the surface of the workpiece into a printing area and a non-printing area; matching a height measurement mode according to material attributes to obtain height data; calculating a vertical avoidance gap according to the area height, the space distance and the nozzle size; and when the gap is smaller than the safety threshold value, the Z-axis height is adjusted to be the non-printing area height superposition safety margin, and otherwise, the preset printing height is maintained. By implementing the technical scheme provided by the invention, the printing definition is considered, and the collision risk is reduced.

The invention discloses printing equipment and a printing method based on laser and a grating, and relates to the field of printing equipment. The printing platform is arranged on the machine body frame, and the printing platform is used for bearing a printing medium; the portal frame is erected above the printing platform; the moving trolley is connected to the portal frame in a sliding manner; the adjusting mechanism can drive the moving trolley to move; the printing head is arranged at the bottom of the moving trolley; the positioning system comprises a grating positioning module, a laser emission module and an image acquisition module; the central control module is electrically connected with the positioning system, the printing head and the adjusting mechanism; wherein the laser emission module and the image acquisition module are both arranged on the moving trolley, and the central control module is configured to calculate the deviation between the actual position and the theoretical position of a reference mark based on a captured image of the reference mark and generate initial position compensation data. The method has the advantage of high positioning precision.

The invention discloses efficient automatic compensation code spraying equipment for the side face of an air conditioner, and relates to the technical field of code spraying of the side face of the air conditioner. The code spraying mechanism is arranged on the machine table and used for spraying codes on information labels on the side face of the air conditioner shell, the conveying mechanism is arranged on the machine table and used for conveying the air conditioner shell in the information label code spraying process, the code spraying mechanism comprises a three-axis moving frame fixedly connected to the machine table, and the three-axis moving frame is provided with a working box; a code spraying head is arranged on the side, close to the air conditioner shell, of the working box. According to the efficient and automatic compensation code spraying equipment for the side face of the air conditioner, through the arrangement of the code spraying mechanism, corresponding adjustment can be conducted according to flatness detection deviation, so that compensation printing of a deviation area is achieved, it is guaranteed that sprayed codes can be accurately and evenly sprayed and printed on the side face of the air conditioner all the time, and the uneven condition existing on the side face of an air conditioner shell is adapted; and the accuracy and definition of code spraying are ensured.

A three-dimensional object printing apparatus includes a liquid ejection head that has a plurality of nozzles ejecting a liquid toward a workpiece, a multi-joint robot that has a tip end portion supporting the liquid ejection head and causes the liquid ejection head to scan with respect to the workpiece, and a control portion that creates a printing path along which the liquid ejection head is scanned, in which the control portion generates smoothing data by performing smoothing processing on workpiece data indicating a shape of a printing surface, which is a surface of the workpiece to be printed, and creates the printing path based on the smoothing data.

The utility model provides an adjusting mechanism of an ink-jet printing head, which comprises a mounting plate, a plurality of adjusting frames and a plurality of adjusting devices, the adjusting frames and the adjusting devices are arranged on the mounting plate, the adjusting frames and the adjusting devices are arranged in a one-to-one correspondence manner, a guide column is arranged on each adjusting frame, a transversely arranged guide groove is formed in the mounting plate, and the guide columns are arranged in the guide grooves. The adjusting device comprises an adjusting block, a first jackscrew and a second jackscrew are arranged on the adjusting block, the first jackscrew directly or indirectly exerts transverse force on the adjusting frame, the second jackscrew directly or indirectly exerts transverse force on the adjusting frame, and the second jackscrew directly or indirectly exerts transverse force on the adjusting frame. The guide columns transversely move along the guide grooves, and transverse adjustment of the adjusting frame is achieved; and the second jackscrew directly or indirectly applies a longitudinal force to the adjusting frame, so that the adjusting frame can rotate by an angle along the guide post.

The present invention relates to a method for calibrating an image forming device comprising at least one printhead comprising a plurality of nozzles arranged in a plurality of nozzle rows, the image forming device comprises a sensor unit configured to read information from a recording medium on a working area. The method enables determination of misalignment of the sensor unit by analyzing a printed reference image without the need of external reference markers. The invention also relates to an image forming device, a computer program, a non-transient computer-readable data storage medium comprising executable program code and a data stream enabling the calibration method.

The disclosure relates to a method for printing a paper by a digital printing system which has a plurality of ink application units for applying printing ink of different colours to the paper. The paper to be printed is guided past the ink application units in a feed direction. The digital printing system has a device which is designed and suitable for preventing or reducing the formation of condensation on the ink application units, and this device is used to prevent or reduce the formation of condensation on the ink application units. The device has a temperature-control device and an electrical controller, wherein the temperature-control device is designed to influence a temperature of the ink application units, and the electrical controller is designed to control the temperature-control device in such a way that the ink application units have different temperatures. The temperatures of the ink application units increase in the feed direction and temperatures of two adjacent ink application units differ by at least 0.5° C. and by at most 1.5° C. The temperatures of the first ink application unit in the feed direction and of the last ink application unit in the feed direction differ by at most 10° C.

A method of manufacturing a display apparatus includes discharging liquid droplets in a first area of a substrate, moving a discharge part by a first distance along a side of the substrate and discharging the liquid droplets in a second area of the substrate, and moving the discharge part by a second distance along the side of the substrate and discharging the liquid droplets in a third area of the substrate. The first distance is different from the second distance.

To provide a liquid jet head which is prevented from deteriorating in reliability, and a liquid jet device.SOLUTION: The liquid jet head comprises: a head module including a flow passage opening forming member and a chip; a supply flow passage member that supplies liquid to the head module; an elastic seal member that liquid-tightly connects the flow passage opening forming member to the supply flow passage member; and a fixing member fixing the supply flow passage member to the flow passage opening forming member. A seal region held by the flow passage opening forming member and the supply flow passage member of the seal member overlaps with the chip when viewed in a jetting direction. A dimension in the jetting direction of a portion overlapping with the seal region, of the flow passage opening forming member, is larger than a distance between the seal region and the fixing member when viewed in the jetting direction.SELECTED DRAWING: Figure 5

The invention relates to flexographic printing and digital printing integrated equipment which comprises a flexographic printing device and a digital printing device, the flexographic printing device comprises a supporting platform, a flexographic printing feeding module, a plurality of flexographic printing modules and supporting rails arranged above the rear portions of the flexographic printing modules, and the flexographic printing modules are arranged on the supporting platform at intervals in the left-right direction. The flexographic printing feeding module is arranged on the supporting platform and located between the flexographic printing modules. The digital printing device is arranged on the supporting track, and the position of the digital printing device on the supporting track is adjustable; the digital printing device comprises a printing module and a digital feeding module, the digital feeding module is located above the flexographic printing module and corresponds to the flexographic printing feeding module in position, and the printing module is arranged above the digital feeding module and used for conducting variable data digital printing. Effective integration of a digital printing device and flexographic printing equipment is realized, so that one-stop online printing of flexographic printing and digital printing is realized, the production cost is effectively reduced, the production efficiency is improved, and the upgrading and reconstruction cost is saved.

A printing apparatus is disclosed herein. The apparatus comprises a chassis moveable on a surface through a motion control system, a receiver to receive a signal from a positioning module corresponding to a distance of the printing apparatus with respect to a reference; a printhead to selectively eject an amount of a printing fluid to the surface; and a controller. The controller is to determine the actual location of the printing apparatus with respect to a grid map representative of a part of the surface, the grid map including a plurality of nodal points with its corresponding height values; and to control the motion control system to move the chassis to a first surface location corresponding to a first nodal point of the grid map. The controller is further to obtain a vertical component value with respect to the reference at the surface location; and control the printhead to eject an amount of printing fluid at the surface location in a pattern indicative of an error between the vertical component value and the nodal point height.

The present disclosure is directed to a printhead assembly for use in a printer. The printhead assembly includes a printhead positioned to engage a platen roller of the printer and a printhead holder retaining the printhead. The printhead assembly also includes a cam shaft designed to rotate into an idle position and one or more active positions and a force cam connected to the cam shaft and positioned to apply a variable downward force to the printhead. The printhead assembly further includes lift cams connected to the cam shaft and positioned to engage the printhead holder. The force cam causes the printhead to apply a nip force to the platen roller when the cam shaft is in any of the active positions. The lift cams engage the printhead holder and move the printhead out of engagement with the platen roller when the cam shaft is in the idle position.

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 present invention belongs to the field of advanced manufacturing technology, and discloses a device and method for printing an electric fluid with a complex curved multi-layer interconnected structure. The device includes a bed module that meets the motion requirements of the printing process; a printing module for printing processing, distance compensation, laser curing, and monitoring; and a parameter control module for graphic overlay, path planning, equipment driving, and process parameter regulation. The control method includes first preparing a conformal functional structure on the surface of a complex curved workpiece as a bottom functional structure layer; the material printed on the bottom functional structure is cured and sintered in situ by laser to achieve the preparation of a spatial interconnected structure; printing a functional layer between the spatial interconnected structures; printing a top functional structure; and repeating the above until the preparation of a multi-layer functional circuit structure is completed. The device of the present invention solves the problem of multi-material, high-efficiency, damage-free, high-precision, and integrated preparation of a conformal multi-layer interconnected structure with complex curved surfaces.

A method and system printing includes transporting an object toward a print system. A plurality of blocks of print commands is stored in an ordered sequence in a first queue and a first identifier encoded in indicia on an object is received. An oldest block of print commands from the stored plurality of blocks is selected, wherein the oldest block of commands is associated with a second identifier. If the first identifier is associated with a second identifier, the print system is operated to printing content specified by the selected block of print commands on the object. Otherwise, the oldest block is stored in a second queue.

To provide a liquid dispensing device that can increase the frequency of the drive signal. [Solution] A capacitive load drive circuit that outputs a drive signal to displace a capacitive load comprises a first gate drive circuit that outputs a first gate drive signal corresponding to a modulation signal output by a modulation circuit, a second gate drive circuit that outputs a second gate drive signal corresponding to the modulation signal, an amplification circuit that outputs an amplified modulation signal by driving a first transistor driven according to the first gate drive signal and a second transistor driven according to the second gate drive signal, and a demodulation circuit that outputs a drive signal obtained by demodulating the amplified modulation signal, wherein the first transistor and the second transistor contain gallium nitride, the first gate drive circuit and the first transistor are housed in one package to constitute a first semiconductor device, and the second gate drive circuit and the second transistor are housed in one package to constitute a second semiconductor device, in a liquid dispensing device.

The invention relates to a device and a method for automatically adjusting and identifying wire printing. The technical problems that an existing code spraying system depends on manual adjustment, the printing effect is unstable, and efficiency is low are solved. The device comprises a code spraying unit, a lettering detection unit and a control unit, the code spraying unit achieves dynamic adjustment of the position of a code spraying machine through a multi-axis adjusting mechanism, and the lettering detection unit detects lettering content in real time through an ink dot recognition sensor and an image movement collecting mechanism in the wire running process. And the detection data is transmitted to the control unit for analysis. According to the device, through mutual cooperation of the multiple units, the control unit automatically sends an adjusting instruction to an adjusting mechanism or a parameter module of the ink-jet printer according to the printing position and size deviation, closed-loop automatic adjustment of the printing position and size is achieved, and therefore the precision, consistency and automation level of wire printing are improved.

An integrated inkjet module includes: a chassis; a printhead carrier mounted to the chassis; and a printhead nest assembly having a nest fastened to the printhead carrier and a replaceable printhead nestably secured within the nest. The printhead nest assembly is detachable from the printhead carrier and the printhead is removable from the nest only when the printhead nest assembly is detached from the printhead carrier.

A printing apparatus, comprising a printing unit, a conveyance unit and a position detection unit, the position detection unit including a light emitting unit configured to emit light to a conveyance path of a print medium, a first light receiving unit configured to detect reflected light from the conveyance path, and a second light receiving unit configured to detect reflected light from the conveyance path, the first and the second light receiving units being arranged side by side with other in a direction crossing a conveyance direction of a print medium, and a position of a print medium in a direction crossing the conveyance direction is specified based on a difference signal between signals of the first and the second light receiving units.

The invention discloses a jitter correction method and device of printing equipment, electronic equipment and a storage medium, and relates to the technical field of ink-jet printing, and the jitter correction method of the printing equipment comprises the steps that in the process that a motor drives a spraying vehicle to move, a grating signal collected by a reading head is obtained; determining the motion state of the spraying vehicle according to the grating signal; if the motion state of the spraying vehicle is uniform-speed motion, the actual time interval between every two adjacent grating signals is obtained; and correcting the speed of the motor based on the actual time interval and a preset time interval. According to the invention, errors caused by vehicle spraying speed jitter are reduced, and error accumulation during printing is avoided.

A liquid discharge apparatus includes a plurality of liquid discharge nozzles, a housing, and a support. The plurality of liquid discharge nozzles discharges liquid. The housing includes the plurality of liquid discharge nozzles and an opening array face in which a plurality of nozzle rows are arranged. A plurality of nozzle openings of the plurality of liquid discharge nozzles are arranged in the plurality of nozzle rows. The support supports the housing, to fix the housing in a cleaning posture that is a fixed posture of the housing when the opening array face is cleaned. The opening array face has the plurality of nozzle openings at positions where the plurality of nozzle openings do not overlap each other in a gravity direction of the housing when the housing is fixed in the cleaning posture.

The utility model discloses a multi-station plane digital printer which comprises a rack, a printer head, a nozzle cleaning mechanism, a longitudinal moving mechanism, a transverse moving mechanism, a rotary consignment mechanism and a lifting mechanism, the printer head is mounted on the transverse moving mechanism, the transverse moving mechanism is mounted on the longitudinal moving mechanism, the transverse moving mechanism and the longitudinal moving mechanism drive the printer head to move, a printer head mounting seat is mounted on the transverse moving mechanism, and the printer head is mounted on the printer head mounting seat; the rotating mechanism drives the rotating consignment mechanism to move up and down, the rotating mechanism is matched with the longitudinal moving mechanism and the transverse moving mechanism, printing operation of objects on the trays is completed under the action of the printer head, and meanwhile circulating printing operation of a plurality of single objects is achieved through rotating arrangement of the trays.

An inkjet recording apparatus includes a holder, a blade and a biasing member. The holder faces a nozzle surface of an inkjet head and moves in a predetermined traveling direction along the nozzle surface. The blade is provided in the holder and swung about a shaft crossing the traveling direction. The biasing member is provided in the holder and biasing the blade in a direction in which a tip end portion of the blade is pressed against the nozzle surface.

The utility model relates to the technical field of scanning and printing, in particular to a multifunctional singlepass printer. Comprising a rack assembly which is provided with a belt used for conveying fabric, the fabric is laid on the belt, and a printing area is arranged on the fabric; the scanning assembly is arranged above the belt, and a nozzle array is arranged on the scanning assembly and is suitable for scanning and printing a printing area on the fabric; and the moving assembly is arranged on the rack assembly and the scanning assembly and is suitable for driving the scanning assembly to move in the length direction of the belt, the width direction of the length direction of the belt and the direction perpendicular to the length direction of the belt. When the scanning assembly changes the direction in the length direction of the belt every time, the distance of the multiple spray heads is moved in the width direction of the belt, so that the problem of color deviation caused by needle deflection and oblique spraying of the spray heads and the difference between the spray heads is solved. According to the invention, various printing modes can be provided to meet market requirements.

A media processing device is disclosed that includes a platen assembly, a printhead assembly, a drive element, and a processor. The platen assembly includes a platen roller configured to rotate. The printhead assembly, disposed opposite the platen assembly, is configured to move between an engaged position in which the printhead assembly forms a nip with the platen roller and a disengaged position in which the printhead assembly is spaced away from the platen roller. The drive element is configured to rotate the platen roller. The processor is in communication with the drive element, and configured to control the drive element to rotate the platen roller according to a first operating mode or a second operation mode, the printhead assembly moves to the engaged position in the first operating mode and moves to the disengaged position in the second operating mode.