21results about How to "Avoid print quality" patented technology

The invention discloses a printing method, device and equipment for any-fold ink quantity output and a storage medium, and relates to the technical field of ink-jet printing. The method comprises the steps that the reciprocating scanning frequency, initial stepping information and ink amount adjusting information of a to-be-printed task are obtained; actual printing stepping information is obtained according to the reciprocating scanning times and the ink amount adjusting information; processing the to-be-printed data corresponding to each type of to-be-adjusted ink according to the reciprocating scanning times and the ink amount adjustment multiple to obtain actual printing data; and controlling a printing nozzle and a printing medium to move relative to each other according to the actual printing stepping information, and performing ink jetting in the moving process according to the actual printing data. The technical problem that an existing printing method cannot conveniently and accurately output the doubled ink amount with any multiple can be solved.

The utility model discloses a self-cleaning device for a printing nozzle of an ink-jet printer, which comprises a base provided with a sliding guide groove; the box body is installed in the sliding guide groove of the base in a sliding mode, a sealed bin body is arranged in the box body, a printing spray head of the ink-jet printer moves towards the box body and pushes the box body to slide along the sliding guide groove, and the sealed bin body is driven to ascend to surround the printing spray head in the sliding process of the box body; and the first elastic piece is arranged between the bottom of the box body and the base, and the first elastic piece is stretched and deformed when the box body slides to drive the sealing bin body to ascend, so that a pull-down elastic force is provided when the box body returns to the original position. According to the self-cleaning device for the printing nozzle of the ink-jet printer, the sealing bin body of the box body ascends to surround the printing nozzle, so that the printing nozzle is in a relatively sealed environment, residual ink on the printing nozzle is kept in a wet state, and the residual ink is prevented from being air-dried to block the printing nozzle; and cleaning and maintenance of the printing nozzle of the ink-jet printer are realized.

This invention discloses a direct-to-garment printing method using organic plant dyes, relating to the field of digital printing technology. It addresses the technical problem of adjusting the printhead's dwell time at each printing point in real time based on the material and thickness of the object being printed and the temperature during printing. The method includes the following steps: importing the pattern file to be printed into an image processing module; scaling and rotating the pattern according to the printing area of ​​the object; positioning the printing area of ​​the object; inputting the fabric type of the printing area and assigning it to a direct-to-garment printing fabric category; and detecting the fabric thickness. Based on the thickness of different fabrics and the different characteristics of the printing area, the method adjusts the printhead's dwell time at each printing point in real time, improving the quality and accuracy of the printing.

The invention discloses an unsupported 3D printing method based on skeleton extraction, which comprises the following steps: extracting a skeleton line representing a model structure from a model through a skeleton extraction algorithm; obtaining a normal section along the skeleton line through a normal section determination method; replacing part of the normal plane slices with arc slices through a slice mixing algorithm and an arc slice determination method to obtain a mixed slice result of the normal plane slices and the arc slices; performing path planning according to a mixed slicing result; and converting a path planning result into a G code for 3D printing. According to the scheme, the natural shape of the model can be used for supporting the model by slicing along the skeleton line, so that the requirement for an additional supporting structure is reduced or eliminated, the slicing result is obtained by adopting a mixed slicing algorithm of normal surface slicing and arc slicing, the problem of intersection caused by obtaining a slicing plane based on the skeleton line can be avoided, and the efficiency is improved. And the effectiveness and feasibility of the 3D printing method based on the skeleton line are ensured.

The utility model relates to the technical field of seals, and provides an ink box and a rotary printer. The utility model provides an ink box which comprises an outer shell, an ink storage mechanism and a printing nozzle. The printing nozzle has a printing position and a dismounting position; the outer shell is connected with the printing nozzle, so that the printing nozzle can be switched between a printing position and a dismounting position; the printing nozzle is provided with an ink inlet hole; the ink storage mechanism is detachably arranged on the outer shell and provided with an ink storage cavity and an ink outlet hole capable of being communicated with the ink storage cavity. When the printing nozzle is located at the printing position, the ink outlet hole is communicated with the ink inlet hole; when the printing nozzle is located at the dismounting position, the ink outlet hole and the ink inlet hole are disconnected, and the ink storage mechanism can be dismounted from the outer shell. The technical problem of high ink box replacement cost caused by the fact that the ink storage mechanism cannot be replaced independently in the prior art is solved.

The invention discloses a preparation method of a positive and negative electrode insulation isolation layer of a solar cell. The preparation method comprises the following steps: S1, placing the back surface of a back contact solar cell on an ink-jet printing platform deck; s2, arranging an insulation isolation area in parallel on a metal auxiliary grid line on the back surface of the back contact solar cell and a welding contact area; carrying out insulation ink-jet printing in the insulation isolation area; and curing the solar cell after ink-jet printing of the insulation isolation area under an ultraviolet lamp. According to the invention, the graph is digitally printed, and the manufacturing time is shortened from several weeks to several hours; the film forming thickness of 1-50 microns can be realized through one-time ink-jet printing, and the problem of bubbles can be solved at the same time; precision of ink-jet printing graph capable of being controlled within range

The present invention relates to a printer with a temporary paper feeding structure, comprising a frame assembly and a printing paper feeding structure, a temporary paper feeding structure, a printing paper feeding structure, a temporary paper output structure and a printing paper output structure arranged on the frame assembly; the printing paper feeding structure, the temporary paper feeding structure, the printing paper feeding structure, the temporary paper output structure and the printing paper output structure are arranged in sequence along the paper feeding direction, the temporary paper feeding structure receives the medium returned by the printing paper feeding structure and temporarily stores it, the temporary paper output structure receives the medium transported by the printing paper feeding structure and temporarily stores it, and then transports it to the printing paper output structure. When the color printing medium of the present invention is returned, the returned medium is temporarily stored in the temporary paper feeding structure, so as to reduce the wrinkles of the medium and reduce the scrap rate.

The gift packaging paper intaglio printing equipment comprises a rack and an ink machine, the ink machine is assembled on the rack, a workbench is fixedly assembled in the rack, a printing mechanism is assembled on the workbench, a plurality of conveying rollers are assembled on the rack, a drying mechanism is assembled on the rack, and the printing mechanism comprises an ink bucket and a support. The printing ink bucket is assembled on the workbench, the printing ink roller is rotationally assembled on the inner side of the rack and located on the inner side of the printing ink bucket, the servo motor is fixedly assembled on the workbench, the support is fixedly assembled on the workbench, the ink scraping blade is fixedly assembled on the support, the pressing roller is rotationally assembled on the inner side of the rack and located on the printing ink roller, and the drying mechanism comprises two U-shaped covers. The two U-shaped covers are fixedly assembled on the machine frame and are arranged in an inverted mode, one U-shaped cover is located on the other U-shaped cover, a plurality of guide rollers are assembled between the two U-shaped covers and are rotationally assembled on the machine frame, and a plurality of electric heating pipes are fixedly assembled on the inner side of the U-shaped cover on the outer side.

The utility model discloses a kind of constant temperature device of gravure press ink, it is related to printing technical field, including the cooling assembly for communicating ink groove and ink storage tank, cooling assembly is used to carry out cooling treatment to the ink conveyed between both;The cooling assembly includes the cylinder with built-in cooling pipeline, cooling pipeline is used to generate cooling environment atmosphere inside cylinder, cylinder is connected with ink groove, ink storage tank respectively, to make the ink by ink storage tank into cylinder is cooled and is discharged to ink groove with cooling.This utility model connects ink groove and ink storage tank by cooling assembly, realizes the active cooling treatment to ink, this design not only can replace original conveying pipeline to ink groove play the function of feeding, and it has the cooling function to ink, can effectively control ink temperature, prevent viscosity change or printing quality problem caused by ink overheating, to ensure the stability and consistency of printing process.

This utility model discloses an intelligent temperature-controlled printing device for printed materials, relating to the field of printing technology. It includes: a base with a support rod on top; a printing mechanism mounted on the base, comprising a printing box and a printing device, the printing box being fixedly connected to the top of the base, and the printing device installed inside the printing box; and a temperature-sensing mechanism located inside the printing box for temperature sensing during the printing process. This intelligent temperature-controlled printing device, through the use of the temperature-sensing mechanism, can monitor the temperature of the paper, thereby precisely controlling the temperature of the ink and printed materials, avoiding large temperature fluctuations that could affect usability, and improving overall production efficiency. Furthermore, through the use of the temperature control mechanism, it can control the temperature of the paper, and in conjunction with the temperature-sensing mechanism, avoid printing quality problems caused by temperature fluctuations. Moreover, it can adjust the temperature according to actual needs, avoiding unnecessary energy waste.

The utility model discloses a kind of mould quick replacement mechanism of 3D printing, including barrel, fixed disc and feed pipe, the bottom outer wall of barrel is fixedly connected with guide pipe, the one end of guide pipe away from barrel is provided with guide disc, the one side of guide disc is provided with extrusion die head, the feed pipe is communicated with the barrel, the one side of barrel is provided with the power component for replacing extrusion die head, the inside of guide pipe is provided with anti-blocking component. The mould quick replacement mechanism of 3D printing, when needing to extrude different specifications wire material, start motor can drive first helical gear to rotate, and then drive second helical gear and guide disc to rotate, realize the automatic switching of different specifications extrusion die head, meet the use demand of different specifications extrusion die head under different production conditions, improve the replacement efficiency, avoid the problem of low manual replacement efficiency.

The application discloses a printing control method and device, a printer and a storage medium. The method comprises the following steps: S1, acquiring a to-be-printed data set of a current printing point row and a maximum printable point number N1 of the printer; S2, when it is judged that a printing point number N2 corresponding to the to-be-printed data set is greater than the maximum printable point number N1, if there is an integer n, such that ceil(N3 / N1) < ceil(N2 / N1), N3 / N2 > p, and the above conditions are satisfied, then n printing points in the to-be-printed data set are removed, an actual printing data set is obtained, and step S3 is performed; otherwise, step S4 is performed; S3, printing the current printing point row according to the actual printing data set; and S4, printing the current printing point row according to the to-be-printed data set. By removing some printing points in the to-be-printed data set, the printing speed is improved under the condition of slightly reducing the printing quality. The application is particularly suitable for some printing scenes with high printing speed requirement and low printing quality requirement, for example, printing of express delivery labels.

The utility model discloses a fabric pattern transfer thermal sublimation printer, and relates to the technical field of sublimation printers, the fabric pattern transfer thermal sublimation printer comprises a sublimation printing device, two limiting plates are internally provided with two fabric corner fixing assemblies, and the four corner fixing assemblies are internally provided with movable pressing blocks. Under the synchronous action of the four movable pressing blocks, the fabric can be accurately positioned and fixed on the printing placement platform, so that the stability and accuracy of the position of the fabric in the whole printing process are ensured, printing deviation caused by movement or shaking is prevented, and the printing quality is improved. According to the sublimation printing device, the fabric is kept at a stable position and in a stretching state in the sublimation printing device, the movement and deformation of the fabric can be reduced through the fixing mode, the consistency and the quality in the printing process are ensured, the printing quality problem caused by movement or dislocation of the fabric is avoided, and therefore the quality and the reliability of a final printed product are improved.

The present invention discloses a method and system for monitoring the automatic alignment printing effect of a digital printer, and relates to the technical field of digital printers. The system comprises an image acquisition subsystem, a visual AI recognition subsystem and a printing monitoring subsystem; wherein the image acquisition subsystem has a built-in image acquisition module for acquiring the target workpiece image on the printer table; the technical key points are as follows: by configuring the visual AI recognition subsystem, automatic alignment printing of the workpiece is realized, which saves the time of workers in arranging materials and drawing, reduces production costs, improves production efficiency, and enhances the quality of product printing, and is particularly suitable for the printing of small and special-shaped products, thereby improving the intelligence of the digital printer; finally, through the comprehensive optimization of the printing monitoring subsystem, not only the printing quality and efficiency are improved, but also the production cost and maintenance cost are reduced, providing strong technical support for the wide application of printing technology.

The utility model relates to the technical field of 3D printing, and discloses a heat preservation device of a conveyor belt type 3D printer, which comprises a lower box body, an adjusting mechanism and a frame assembly, the lower box body comprises a cloth layer, a pearl wool layer and a heat preservation aluminum foil layer, the top of the lower box body is provided with a fixedly connected corrugated sheet, and the adjusting mechanism is arranged on the lower box body. And the upper box body fixedly connected with the corrugated sheet is installed at the top of the corrugated sheet, the adjusting mechanism is located on the back side of the lower box body, and the adjusting mechanism comprises a supporting plate, a threaded rod, a fixing plate, a threaded sleeve, a connecting plate, an adjusting rod and an adjusting plate. According to the heat preservation device of the conveyor belt type 3D printer, by rotating a hand wheel, a threaded rod and a threaded sleeve are used for driving an adjusting rod and an adjusting plate to move upwards, the adjusting plate drives an upper box body to move upwards, and a corrugated sheet deforms and extends through the moving distance between the threaded sleeve and the adjusting plate, so that the overall size is changed; and the device can adapt to conveyor belt type 3D printers of different models and sizes.

The utility model relates to the technical field of printing machines, and discloses a feeding mechanism for a printing machine, which comprises a sliding rail, a positioning strip I and a positioning strip II which are fixedly mounted at an inlet of the printing machine, sliding seats are fixedly mounted on two sides of the sliding rail far away from a center line, and a positioning frame fixedly mounted at the inlet of the printing machine is arranged on the sliding rail far away from the center line. A positioning rod is fixedly installed at the other end, away from the sliding rail, of the positioning frame, a fixing column is fixedly installed at the other end, away from the positioning frame, of the positioning rod, a longitudinal alignment assembly is slidably connected to the outer surface of the fixing column, and a first positioning groove is formed in the outer surface of the first positioning strip in a penetrating mode. According to the feeding mechanism for the printing machine, the longitudinal alignment assembly and the transverse alignment assembly ensure that materials to be printed can be accurately aligned in the longitudinal direction and the transverse direction, the printing quality problems such as pattern deviation and inaccurate overprinting caused by material position deviation are avoided, the printing quality is greatly improved, and printing defective products are reduced.

The invention relates to a process method for temperature control in the printing process. The process method comprises the following steps that sectioning section information of a printed product is loaded; identifying the size of the cross section of each layer to determine the temperature control range of each layer in advance; analyzing the ink-jet areas of different areas of the current layer, and determining the temperature required by the ink-jet division areas within the temperature control range of the current layer; and performing temperature parameter regulation and control according to the temperature required by the ink jet identification division area. The invention further relates to a process system for temperature control in the printing process. According to the scheme, the problem of green body quality fluctuation caused by unreasonable process temperature control in an existing scheme can be solved.

The invention relates to the related technical field of touchpads, in particular to a manufacturing method of temperature-sensing computer keyboard touchpad glass, which comprises the following steps: step 1, carrying out earlier-stage preparation treatment on a glass substrate, including CNC (Computer Numerical Control) processing, cleaning and quality inspection, toughening treatment, ultrasonic cleaning, drying and quality inspection, BM (Black Matrix) ink silk-screen printing, baking, cleaning and quality inspection; step 2, adjusting the temperature-sensitive ink silk-screen printing process of the glass substrate, including a first printing stage, a second printing stage and a third printing stage, performing image acquisition through a CCD alignment mechanism in each stage, and analyzing the offset condition of each stage to determine the placement position of the silk-screen template in the next printing stage, or adjusting the temperature-sensitive ink silk-screen printing process of the glass substrate in the next printing stage; offsetting alarm is carried out; 3, AF liquid medicine coating treatment, cleaning, quality inspection and packaging warehousing are conducted on the glass substrate, through accurate alignment, the production efficiency is improved, the stability and consistency of printing quality are ensured, and high practicability is achieved.

The invention discloses an ink recycling system of industrial digital color printing equipment, and relates to the field of industrial ink jet equipment, the system is provided with a plurality of circulation channels, each circulation channel comprises an ink barrel, an ink pump, a nozzle and an ink collecting tank, the ink inlet end of the ink pump is communicated with the ink barrel through a first ink conveying pipeline, and the ink outlet end of the ink pump is communicated with the nozzle through a second ink conveying pipeline; the ink inlet end of the first ink conveying pipeline extends into the ink barrel and is arranged close to the bottom end of the ink barrel; the ink inlet end of the spray head is communicated with the tail outlet end of the ink pump through a second ink conveying pipeline; the printing ink collecting tank is arranged below the spray head, a tank opening of the printing ink collecting tank faces the ink jet end of the spray head, and the tank bottom of the printing ink collecting tank communicates with the printing ink barrel through a third ink conveying pipeline. The color photovoltaic printing ink can be independently recycled, the ink is saved, the utilization rate of the color photovoltaic printing ink is increased, waste ink is reduced, and the environment is protected.

The utility model relates to printer technical field especially relates to a vertical lift's print head maintenance device, including bottom plate, the top of bottom plate is fixedly installed with drive motor through support, drive motor is connected with the lead screw through the shaft coupling of fixed connection, the top fixed connection of bottom plate is used to support the bearing seat of lead screw, the front and back moving plate is connected with the up and down moving plate rotationally through oval connecting piece, the top both sides of bottom plate are fixedly connected with left and right vertical board through bolt, and the tray is fixedly installed on the up and down moving plate. The utility model drives motor work directly through printer control system, need not manual frequent manual regulation or operation simple mechanical structure, can realize the automatic connection of print head maintenance process and printing production process, reduces manual operation step and time cost, avoids the maintenance delay problem caused by manual operation fatigue or negligence simultaneously, and significantly improves overall production efficiency.

The invention relates to the technical field of printing, in particular to a method, system and equipment for improving the UV matte printing effect and a medium. The method comprises the following steps: acquiring structural parameters of a printing machine, a paper running path and physical and chemical parameters of UV gloss oil, simulating and calculating theoretical leveling time of the UV gloss oil at different positions, and determining a target area in which the leveling time needs to be prolonged according to a preset threshold value; and based on the specific position of the target area and the paper movement state, the optimal pre-curing position distance of the UV curing unit is optimized and determined, and the mounting position is adjusted, so that the problem of poor UV gloss oil leveling and curing caused by the fact that the curing unit layout cannot be dynamically optimized and adjusted in the prior art is solved; the position of the UV curing unit can be dynamically adjusted based on the actual working condition of the printing machine, so that the UV gloss oil obtains sufficient leveling time in different printing areas and achieves a good curing effect, and the overall quality and consistency of UV gloss and matte printing are effectively improved.