Abstract: A method for printing transparent ink on different printing media is provided. In a one-time printing process, printing with the transparent ink is performed for a plurality of times on a printed product, and a curing process by means of UV light irradiation is then performed once. The method is characterized in that, after performing the printing with the transparent ink for the first time, the curing process by means of UV light irradiation is performed once.

Abstract: A multi-pass UV inkjet printer for outputting high glossy varnish and a printing method using the same includes providing a side UV light irradiation device at a side of an inkjet module and a front UV light irradiation device in front of the inkjet module not overlapped by a varnish print head. During output of the varnish, varnish outputted on a substrate in the nth pass is passed under the side UV light irradiation device with a lower UV irradiation power during or after the n+1th pass performed by the UV inkjet printer for shaping or temporarily not curing, and then during or after the next pass, the varnish is passed under the front UV light irradiation device with a higher UV irradiation power for complete curing, thereby increasing production yield.

Abstract: A multi-pass UV inkjet printer for outputting high glossy varnish and a printing method using the same includes providing a side UV light irradiation device at a side of an inkjet module and a front UV light irradiation device in front of the inkjet module not overlapped by a varnish print head. During output of the varnish, varnish outputted on a substrate in the nth pass is passed under the side UV light irradiation device with a lower UV irradiation power during or after the n+1th pass performed by the UV inkjet printer for setting or temporarily no curing, and then during or after the next pass, the varnish is passed under the front UV light irradiation device with a higher UV irradiation power for complete curing, thereby increasing production yield.

Abstract: A digital inkjet flatbed printer having a separate laser processing machine includes a laser processing machine and a digital inkjet printer. The laser processing machine is provided with a laser output module and a laser processing platform. The digital inkjet printer includes an inkjet output module and an inkjet operating platform. The inkjet operating platform is capable of movably ascending from and descending onto the digital inkjet printer. Thus, when the inkjet operating platform is descended, the laser processing machine is movably connected to the inkjet operating platform, such that the laser output module of the laser processing machine and the inkjet output module of the digital inkjet printer are on the laser processing platform of the laser processing machine and sequentially used for laser processing and inkjet printing respectively.

Abstract: A laser cutting and engraving machine with a fire safety mechanism, comprising a machine body, a laser engraving mechanism provided in the machine body, and a work platform. The laser engraving mechanism is mounted on a work track and is movable along the work track to cut or engrave a workpiece provided on the work platform. The fire safety mechanism is provided in the machine body. The fire safety mechanism comprises a fire source sensing unit, a fire extinguishing unit, and a control unit, in which the control unit is electrically connected to the fire source sensing unit and the fire extinguishing unit, and it receives and processes a signal delivered from the fire source sensing unit to determine if the machine body is ignited and thereby controlling the activation of the fire extinguishing unit.

Abstract: A flexible cutter holder for a cutting plotter for movably connecting to a track of the cutting plotter, comprising an upper cutter holder, a cutter, a lower cutter holder, and a flexible member. The upper cutter holder has a receiving space for disposing a thimble therein. The cutter is provided in the receiving space of the upper cutter holder below the thimble. The lower cutter holder is provided below the upper cutter holder and it has a through aperture for penetratingly disposing the cutter therein. The flexible member is provided between the upper cutter holder and the lower cutter holder, so as to increase the outward protruding length of the cutter from the bottom of the lower cutter holder when the bottom of lower cutter holder is pressed upwards by a workpiece.

Abstract: A digital inkjet printing method capable of imparting a transparent color to a UV-curable transparent ink includes: on multiple color ink inkjet heads and a transparent ink inkjet head, setting a first output area and a second output area, respectively; controlling at least one color ink inkjet head to output from the first output area a color ink corresponding to the first output area in a first printing stroke, and at the same time of the output, so as to form a pattern area; and at a partial position, where a transparent effect is to be formed, on the pattern area, simultaneously controlling at least one color ink inkjet head and the transparent ink inkjet head to simultaneously output from the second output area a color ink and a transparent ink corresponding to the second output area in a second printing stroke.

Abstract: A laser cutting machine capable of producing focal points with the same size comprises a working platform, a pen housing, and a beam expander. The pen housing is movably provided on the working platform for receiving laser beams from a laser tube to cut an article provided on the working platform. The beam expander is provided in a laser beam output path between the laser tube and the pen housing, so that the laser beams are output after passing sequentially through the beam expander and the pen housing, wherein the beam expander is provided movably on the working platform, and the displacement of the beam expander is changed with the displacement of the pen housing, so as to produce focal points with the same size after the laser beams are output.

Abstract: A detecting method for printing material boundary of a large UV inkjet printer includes steps of performing a full-field scanning process at a first scanning speed by a photosensitive element disposed on an inkjet module to cause a sensing device to produce induced voltage signals corresponding to different positions below sequentially in order to determine rough coordinate positions of two opposite sides of the printing material based on the changes of the induced voltage signals, and to define detailed scanning areas including the rough coordinate positions of the two opposite sides; and performing a detailed scanning process for the detailed scanning areas along an opposite direction at a second scanning speed slower than the first scanning speed by the photosensitive element in order to obtain boundary coordinate positions of the two opposite sides of the printing material based on the changes of the induced voltage signals.

Abstract: A printer inkjet head cleaning system for waste ink collection and inkjet head cleaning and protection comprises a frame, a pushing device and a cleaning device. An accommodating space is disposed inside the frame. A horizontal rail and an elevating rail are correspondingly disposed on two lateral sides of the frame respectively. A cover used for protecting an inkjet head is disposed on the pushing device. Two sides of the pushing device are movably coupled on the horizontal rails so that the pushing device can displace on the horizontal rails horizontally. A scraper is disposed on the cleaning device. Two sides of the cleaning device are movably coupled on the elevating rails. An end of the cleaning device is connected with the pushing device so that the cleaning device can displace on the elevating rails when the pushing device moves forward and backward.

Abstract: A fastener comprises a fixing frame, a sliding base as well as a sliding frame and a swinging arm disposed inside the sliding base. A beveled guide surface of a fastening hook of a fastening rod of the fixing frame is pressed against a front side wall of the sliding base for inserting the fastening hook into a fastening groove in order that the sliding frame is fixed by the fastening rod at a fastening position. When the sliding base moves along a detaching direction from the fastening position, a turning portion of the swinging arm can be turned by pressing against an actuating rod, and a pressing portion of the swinging arm is driven by the turning portion to push the fastening rod upward for unfastening the sliding frame.

Abstract: A detecting method for printing material boundary of a large UV inkjet printer includes steps of performing a full-field scanning process at a first scanning speed by a photosensitive element disposed on an inkjet module to cause a sensing device to produce induced voltage signals corresponding to different positions below sequentially in order to determine rough coordinate positions of two opposite sides of the printing material based on the changes of the induced voltage signals, and to define detailed scanning areas including the rough coordinate positions of the two opposite sides; and performing a detailed scanning process for the detailed scanning areas along an opposite direction at a second scanning speed slower than the first scanning speed by the photosensitive element in order to obtain boundary coordinate positions of the two opposite sides of the printing material based on the changes of the induced voltage signals.

Abstract: A laser output and inkjet printing machine comprises a machine body, a working rail set, an inkjet module, a laser output module and a pivotal apparatus. A processing platform is disposed on the machine body for placing a workpiece. The working rail set is disposed on the machine body and is controlled by the machine body to displace above the processing platform. The inkjet module is used for jetting ink on the workpiece. The laser output module is used for engraving or cutting patterns on the workpiece. The pivotal apparatus is used for coupling or separating the laser output module and the inkjet module so that the inkjet module can be coupled to the laser output module through the pivotal apparatus.

Abstract: A switchable compound laser working machine comprises a machine body, a first output module, a second output module, a switch module, and a control module. The first and second output modules are respectively provided with a laser tube. The switch module has at least one lens. It is able to change the output direction of laser beams by moving the lens. The control module is used for controlling the laser tubes of the first and second output modules to perform output operation respectively and used for moving the lens of the switch module into output pathway of the laser beams from the first or the second output module to alter the output direction of the laser beams.

Abstract: A method for an ultraviolet (UV) inkjet printer to generate an irregular transparent matte particle surface and a completed printing object thereof are provided. After a pattern is printed on a substrate, an inkjet module is enabled to perform first transparent ink spraying on an entire pattern region with UV lights on, so as to form a first transparent color layer on the pattern, and then perform second transparent ink spraying on an entire region of the first transparent color layer with the UV lights off. After the spraying, the inkjet module is enabled to move back and forth above all printing regions of the substrate with the UV lights on, so as to form a second transparent color layer having irregular transparent matte particles on the first transparent color layer.

Abstract: A method for printing on a shiny surface by a UV inkjet printer with transparency and high color density is described. Steps of the method include: (a) according to a conveying direction of a workpiece, dividing the workpiece with a reflective film into a plurality of continuous printing areas; (b) performing a printing operation on each printing area of the reflective film of the workpiece for at least three times; and (c) turning on a UV lamp at one side of an inkjet module when a final printing operation is performed on each printing area, to cure ink jetted from the inkjet module, thereby enabling the reflective film of the workpiece to still retain high shininess and high transparency after printing of the workpiece with a transparent reflective film surface is completed, and enabling a pattern printed thereon to have high color density.

Abstract: A method for printing on a shiny surface by a UV inkjet printer with transparency and high color density is described. Steps of the method include: (a) according to a conveying direction of a workpiece, dividing the workpiece with a reflective film into a plurality of continuous printing areas; (b) performing a printing operation on each printing area of the reflective film of the workpiece for at least three times; and (c) turning on a UV lamp at one side of an inkjet module when a final printing operation is performed on each printing area, to cure ink jetted from the inkjet module, thereby enabling the reflective film of the workpiece to still retain high shininess and high transparency after printing of the workpiece with a transparent reflective film surface is completed, and enabling a pattern printed thereon to have high color density.

Abstract: Laser engravers with a masking mechanism comprise a machine body, a laser-engraving mechanism inside the machine body, a working platform, and an exhauster. The laser-engraving mechanism includes a lens-cart rail that moves back and forth along a working track. The exhauster includes air outlets behind the working platform. The masking mechanism, which includes a reelable curtain-sheet, is installed above the air outlets so that while processing, the curtain-sheet is reeled out above the working platform and an air induction channel is formed to increase the working efficiency of the exhauster.

Abstract: A laser engraver with scanning function includes an engraving table, a control device, and a scanner. The engraving table includes a working platform and an engraving device disposed on the working platform. The engraving device is capable of moving above the working platform to perform an engraving operation. The control device is connected to the engraving device, and is used for controlling the engraving operation of the engraving device. The scanner is mounted on the engraving device and connected to the control device, and is used for scanning a workpiece placed on the working platform and transmitting scanned information to the control device, such that the control device controls the engraving device to perform an accurate engraving operation at a particular position on the workpiece.

Abstract: In an engraving method for a laser engraver, an engraving apparatus of the laser engraver performs an engraving for data of a transversal engraving line and then engraves for data of a transversal engraving line in a jumping mode to improve a banding phenomenon and enhance the engraving quality, further the engraving data points of each transversal engraving line can also be engraved in the jumping mode, so as to enhance the overall quality of the engraved object and effectively lower the visual effect of an uneven brightness of traditional laser engravers.