10results about How to "Avoid print failures" patented technology

This utility model relates to the field of printing device technology, and in particular to a portable, trouble-resistant label printer. A portable, trouble-resistant label printer includes a printer body with an inner cavity, within which a paper jamming assembly and a guide groove are disposed. The paper jamming assembly includes: a connecting seat located on one side of the guide groove; a first paper jammer hinged to the connecting seat at a certain angle; a torsion spring, used to generate a restoring force applied to the first paper jammer when the angle between the first paper jammer and the connecting seat changes; and a second paper jammer movably mounted in the guide groove. This solution effectively solves problems such as difficult paper loading, high paper jam rate, severe printing misalignment, and difficulty in cleaning sensors in the prior art, significantly improving the user experience and reliability of label printers.

The invention discloses a polyurethane emulsion for UV (ultraviolet) ink-jet digital printing as well as a preparation method and application of the polyurethane emulsion. The preparation method of the polyether type polyurethane emulsion comprises the following steps: adding polyether polyol, isocyanate, a catalyst and polyfunctional group acrylate into an organic solvent, mixing and uniformly stirring, heating to a first temperature, and stirring for reaction to obtain a polyether type polyurethane solution; and cooling to a second temperature, sequentially adding deionized water, adjusting the pH value, and uniformly mixing to obtain the water-based polyether polyurethane emulsion. The low-polarity polyether polyurethane is selected as a main body material, the polyfunctional group acrylate is introduced to increase the binding force between the ink and the main body, the compatibility among the components can be improved, the leveling property of the UV ink can be improved, a high-quality cured film layer can be formed without additionally adding a leveling agent, the internal stress during UV curing film forming is reduced, and the UV curing film forming quality is improved. Therefore, surface defects such as white points and pinholes caused by shrinkage of film holes in the UV curing process are avoided.

The invention discloses a laser printer toner cartridge capable of preventing carbon powder from being affected with damp, relates to the technical field of toner cartridge damp prevention, and aims to solve the problem that carbon powder in the laser printer toner cartridge is easily affected with damp due to environment humidity change. The laser printer toner cartridge comprises a toner cartridge shell and a toner outlet formed in the bottom of the toner cartridge shell, and a motor is fixedly connected to the outer wall of the toner cartridge shell; and the outer wall of the selenium drum shell is fixedly connected with a guide rail. By arranging the winding roller, the flexible guide rod and the sealing film, the winding roller releases or winds the flexible guide rod, so that the sealing film seals or opens the powder outlet in the bottom of the shell, it is ensured that when the printer is not used, external humid air can be effectively isolated from entering the shell from the powder outlet, carbon powder is prevented from being affected with damp, and the service life of the printer is prolonged. The uniformity and stability of the carbon powder in the printing process are ensured, so that the printing quality is improved, the service life of the carbon powder is prolonged, the replacement frequency is reduced, printing faults or quality reduction caused by damping of the carbon powder is avoided, and the use experience of a user is improved.

The present invention relates to a three-dimensional printer safety door lock device, which includes an outer shell provided on the inner wall of the opening and closing side of the three-dimensional printer, a guide sleeve fixed on the outer shell and extending forward and backward, a latch assembly slidably connected in the guide sleeve, and a locking assembly provided on the rear side of the latch assembly. The purpose of the present invention is to provide a safe, intelligent and easy-to-control three-dimensional printer safety door lock device. The advantages of the present invention are: the present invention adopts a two-press trigger design, when the first press is made, the soft magnetic suction head is energized to firmly suck the door, and when the second press is made, the soft magnetic suction head loses power and resets to unlock, which can effectively prevent printing failure caused by opening the door by mistake during printing; in addition, the power supply circuit of the soft magnetic suction head can be directly connected in series with the host computer, and when the three-dimensional printer is working, if the door is opened in the middle, the printing operation can be automatically paused.

The embodiment of the invention provides a fault processing method and device based on an image forming device, the image forming device and a storage medium, and relates to the technical field of image forming. The method comprises the following steps: in a printing process, determining at least one thermistor corresponding to a current printing job; and acquiring the voltage value of each thermistor. Performing identification processing on each thermistor according to a preset fault identification mode and the voltage value to obtain state information of each thermistor; wherein the fault identification mode is used for indicating fault identification information; the state information is used for indicating whether the thermistor breaks down. The method is used for achieving the effect of avoiding printing failure caused by failure of the fixing device in the image forming device.

The invention provides a heating shell for a 3D printer, and relates to the technical field of 3D printers, the heating shell comprises a top plate, the bottom of the top plate is fixedly connected with a support, the bottom of the support is fixedly connected with a fixing disc, the bottom of the fixing disc is fixedly connected with a base, and the outer wall of the support is fixedly connected with a supporting plate; the bottom of the supporting plate is fixedly connected with a fixing seat, a clamping groove is formed in the bottom of the fixing seat, the top of the base is fixedly connected with a clamping block, the outer wall of the support is fixedly connected with a sliding rail, the outer wall of the sliding rail is movably connected with a sliding plate, and one side of the top plate is fixedly connected with a first pneumatic cylinder. The purpose of effectively heating the printer can be achieved, printing failure caused by deformation of 3D printing consumables due to cold shrinkage is avoided, the printing temperature is effectively increased, the temperature difference of the consumables is reduced, the utilization rate of the consumables is increased, and the printing efficiency is effectively improved.

The invention relates to a continuous fiber 3D printing method and system based on high-precision corner path design, and the method comprises the steps: S100, obtaining Gcode features corresponding to a to-be-printed structure, and determining a continuous fiber printing path; s300, calculating an included angle between the two paths based on the two-dimensional coordinate values of the two intersected printing paths; and S500, carrying out coordinate calculation on the compensation point at the inflection point by utilizing a geometric optimization algorithm and combining the included angle between the two paths, the path vertex coordinates and the path vector direction so as to generate a compensation path Gcode, and inserting the compensation path Gcode into the original Gcode. The method does not need to manually change a corner set value, does not need to change a preset path in a large range, and only carries out local path compensation at the corner vertex. The direction of the compensation path can be determined by a mathematical expression, and the uncertainty of corner path compensation is eliminated. In addition, the compensation path calculation process is fast and simple, and printing equipment does not need to be transformed.

The invention discloses a fast intelligent light-curing 3D printer, including a frame body, a light source mechanism, a tilting release mechanism, a material trough, a lifting mechanism, a building mechanism and a control system. The tilting release mechanism includes a rotating middle plate and a tilting component, the rotating middle plate is movably connected to the fixed middle plate, the other end of the rotating middle plate is movably connected to the tilting component, the rotating middle plate is fixedly connected to the material trough, and the tilting component drives the material trough to tilt up and down through the rotating middle plate; the building mechanism includes a building plate, a panel, an automatic adjustment component and a pressure sensor, the automatic adjustment component is located between the building plate and the panel, the surface of the building plate is parallel to the surface of the panel or there is an angle, the building plate is parallel to the screen or there is an angle, the pressure sensor is connected to the control system, and the pressure sensor transmits the signal of the stress received by the building plate to the control system. The fast intelligent light-curing 3D printer has the advantages of detecting the printing situation and ensuring the printing quality of parts.

The utility model relates to the technical field of 3D printing, and discloses a leveling device and a photocuring 3D printer. The leveling device is used for leveling the 3D printer and comprises a support assembly, the support assembly comprises a mounting part and cantilever parts, the cantilever parts are symmetrically arranged on the two sides of the mounting part and connected with the mounting part, a containing groove is formed between the mounting part and the cantilever parts, and the cantilever parts are connected with a middle plate assembly; the detection assembly is arranged on the support assembly and connected with the controller, and the detection assembly is used for detecting the deformation quantity of the support assembly; and the leveling assembly is connected with the support assembly and the controller, and the leveling assembly is used for adjusting the distance between the printing platform and the printing screen under the control of the controller. In this way, the distance between the printing platform and the printing screen can be automatically adjusted, and the printing success rate and the printing quality are improved.

The present invention discloses a printing anomaly detection method, a laser printer and a storage medium. The method is applied to a laser printer integrated with a SOC module, wherein the SOC module comprises: a first processing module and a second processing module, wherein: when the first processing module receives a printing instruction carrying a printing task, a part of the printing task is simultaneously sent to the second processing module; the first processing module and the second processing module respectively parse the first printing control information and the second printing control information indicated by the printing task according to the printing tasks they are responsible for; and then the second processing module performs pre-processing to determine whether there is an abnormality, so as to detect the abnormal condition of the printer in advance.