42results about How to "Increase print speed" patented technology

The present invention belongs to the technical field of 3D printing materials, and relates to a 3D printing gypsum ink, and the 3D printing gypsum ink is prepared from the following components by weight: 60% to 93% of gypsum powder, 2% to 20% of filler, 4% to 18% of a modifying solvent and 0.5% to 5% of a coagulant. The present invention also discloses a preparation method of the 3D printing gypsum ink, and all the raw materials are mixed and stirred evenly to obtain the 3D printing gypsum ink. The problems of low strength, poor mobility, coarse particles, poor toughness and high cost in the prior art can be solved, and an economical 3D printing forming material with industrial potential, high speed, good precision and low use cost is developed.

The invention provides a sprinkling nozzle movement mechanism of a 3D printer. A first sprinkling nozzle connecting part is arranged on a rack of the 3D printer by a sliding mechanism, the first sprinkling nozzle connecting part is arranged on the sliding mechanism in a sliding manner, a first transmission mechanism is transversely arranged, a second transmission mechanism is longitudinally arranged in a horizontal direction, the first transmission mechanism and the second transmission mechanism are arranged on the rack in a sliding manner, the first transmission mechanism, the second transmission mechanism and the sliding mechanism are sequentially arranged from top to bottom, the first transmission mechanism and the second transmission mechanism penetrate through the first sprinkling nozzle connecting part, the first transmission mechanism is driven by a first driving mechanism on the rack to enable the first sprinkling nozzle connecting part to transversely move, and the second transmission mechanism is driven by a second driving mechanism on the rack to enable the first sprinkling nozzle connecting part to longitudinally move. The sprinkling nozzle movement mechanism of the 3D printer can be used for solving the problem of low forming precision of a printed workpiece due to vibration of the sprinkling nozzle, the printing cost is reduced and the printing quality is improved.

The invention discloses a 3D printing spray head and a 3D printing device comprising same and biological ceramic slurry used for the 3D printing device, and also discloses a 3D printing method. The 3Dprinting spray head can be used for realizing precisely extruding fine materials. The 3D printing spray head comprises a contact type spray nozzle which is of a rolling ball structure, and further comprises a non-contact type spray nozzle, wherein the contact type spray nozzle, which is of the rolling ball structure, is preferably used for printing a solid no-span structure; and the non-contact type spray nozzle is preferably used for printing a structure with span. The 3D printing device can realize precise travelling to print a relatively fine and compact structure. The 3D printing method comprises selecting of the spray head, the 3D printing device comprising the spray head and a 3D printing process. The selection of the 3D printing process comprises theoretical derivation and experimental verification of the spray nozzle.

The invention discloses a method for machining a self-adhesive label and relates to the label manufacturing field. The method comprises the seven steps of unreeling, coating, stoving, sand blasting, printing, laminating and calendaring. Continuous unreeling is adopted, backing paper is placed on a rotary label machine, tension applied to the backing paper is manually adjusted and correction and rectifying are conducted at the same time, and then Synchronization of the reeling speed and the unreeling speed is guaranteed, stress is even, the backing paper can be flattened, and coating operation is facilitated; the backing paper is placed on a metal surface heated by an electric heating wire and polished to be pressed and cooled gradually till a glossy film surface is formed on a label, clear dopes used for polishing and coating are made denser and smoother, an ideal high-gloss and high-brightness mirror surface film effect is achieved, and the grade and market competitiveness of a printed product are improved.

The invention discloses a variable cross-section opening grid supporting structure and a generation method thereof. Opening grid supporting units are formed by arraying a plurality of grid units in different sizes, and a plurality of opening grid supporting units are overlapped so that support units are formed for changing the support form; the side walls of the opening grid supporting units are provided with grid openings penetrating through the opening grid supporting units horizontally so that a lateral powder discharging channel is formed; thus, powder in supports can be cleared completelyafter forming, and recycled before heat treatment after forming of parts; the printing rate is increased, and the post-processing difficulty is reduced; a cross-section structure is formed through three-dimensional drawing software, and the supports are arrayed and arranged according to the requirements; the powder that can not be cleared from the interior of a traditional grid support is clearedcompletely, and the usage amount of the forming powder is reduced; the printing rate is higher through design of the grip supports with lateral powder discharge, and the forming time is shortened; and the efficiency is improved, and the cost is reduced.

The invention relates to a thermal printer for an automotive fault diagnostic apparatus and an automotive fault diagnostic apparatus. An integrated master control chip is used to control the printer; and a flash memory and a random access memory are integrated at the master control chip. When the master control chip receives data sent by an upper computer of the automotive fault diagnostic apparatus, the data are directly transferred to a printer head by the random access memory to carry out printing. Therefore, received data can be printed rapidly; and a printing rate of the printer can be improved.

The invention discloses a printing machine for biodegradable film. The printing machine comprises a printing machine main shell and a winding shaft to be printed; a film winding driving motor is arranged inside the printing machine main shell, a central control processing device is fixedly installed on the right side of the film winding driving motor, a printing control processing device is arranged on the upper portion of a printing fixing plate, a hydraulic device is arranged in the circle center of the printing fixing plate, a printing head is arranged below the hydraulic device through a hydraulic rod, a printing sensing device is arranged at the bottom of the printing fixing plate, an alarming device is arranged on the upper portion of a printing device outer shell, and the winding shaft to be printed is installed at the bottom of a groove. According to the printing machine for the biodegradable film, the printing precision and the printing quality are improved, emergency stop is achieved when the printing machine is abnormal, and an alarm is given out, so that an operator handles equipment in time, the phenomenon of defective printing is reduced, and the printing speed is increased.

The invention relates to an intelligent 3D printing machine using a single-double printing nozzle optional technology. The intelligent 3D printing machine includes a printing platform, a roof, two feeding mechanisms and two printing mechanisms, each printing mechanism comprises a lifting mechanism, a vertical plate, a first translation mechanism, a second translation mechanism and a printing unit,and each first translation mechanism comprises a frame, a sliding ring, a supporting rod, a second motor, a driving gear and driven teeth; and each second translation mechanism comprises a driving mechanism, a telescopic frame, two moving blocks and two connecting rods, and each printing unit comprises a moving block, a top rod, an inserting plate, a printing nozzle and two guide rail plates. Theintelligent 3D printing machine using the single-double printing nozzle optional technology drives the two printing nozzles to move for printing through the two printing mechanisms, the printing efficiency is speeded up, not only that, the printing nozzles are fixed between the two guide rail plates of the moving blocks through the top rods and the inserting plates, convenient disassembly repairis achieved at failure of the printing nozzles, the single nozzle operation mode is automatically switched, and the continued operation of printing is ensured.

The invention discloses a random image processing method and a printing device control system. The random image processing method is applied in the printing device control system and used for obtaining image data on any one of at least one page and comprises the steps of receiving rasterized mother board image data, set length and set width of images required to be extracted randomly and parameters for representing random number generation modes which are sent by a host computer; obtaining random number coordinates and image data memory addresses relevant with the random number coordinates based on the random number generation modes included in the parameters; using the image data memory addresses as starting addresses to begin to read the image data according to the set width and the set length; sending the read image data to an imaging part for imaging.

The invention provides a dot-matrix 3D printing light source utilizing light-emitting diodes. The dot-matrix 3D printing light source comprises the light-emitting diodes, a mounting support, first collecting lenses and second collecting lenses. The light-emitting diodes are arranged on the mounting support, and primary light emitted by each light-emitting diode is condensed by the unique corresponding first collecting lens to form secondary light. Then the secondary light is converged by the second collecting lenses to form condensation spots. All the condensation spots are located on a straight line and located on a forming plane of powder materials. Power sources of the light-emitting diodes in the same radial direction are controlled to enable the corresponding condensation spots to melt or sinter the powder materials in specific areas. Due to the fact that the electro-optical conversion efficiency of the adopted light-emitting diodes is more than 90 percent, and no air cooling or water cooling is needed, the electro-optical conversion efficiency of the light source adopted in the 3D printing technology with an SLS method can be improved, the service life is long, good heat radiation is achieved, cost is low, and the 3D printing efficiency is higher.

The invention discloses a plasma electric arc additional material device and method. The device comprises a furnace body for containing molten metal, a wire feeding mechanism arranged on the furnace body and used for feeding a metal wire into the furnace body, a gas conveying mechanism for conveying gas into the furnace body, an electric arc generating mechanism comprises a positive electrode anda negative electrode oppositely arranged inside the furnace body, and a discharging mechanism which is arranged at the bottom end of the furnace body and communicates with the furnace body and the gasconveying mechanism to control the molten metal to be discharged, wherein an electric arc region is formed between the positive electrode and the negative electrode to melt the metal wire into moltenmetal. The metal wire inside the furnace body is fused, the molten metal is pressed out of the furnace body through the pressure of gas inside the furnace body, the molten metal is subjected to layer-by-layer additional material printing, the printing speed can be increased, the problem of the stability of a furnace hearth in the printing process is solved, and the problems that slag in the electric arc additional material printing process is splashed and the printing shaft precision is poor are avoided.

The invention relates to an intelligent 3D (three-dimensional) printer having a spray head regulation and switching function. The intelligent 3D printer having the spray head regulation and switchingfunction comprises a printing table, a top plate, two conveying mechanisms and two printing mechanisms, wherein each printing mechanism comprises a lifting mechanism, a vertical plate, a translation mechanism, a displacement mechanism and a printing unit, each translation mechanism comprises a frame, a slip ring, a connection rod, a second motor, a drive gear and a driven gear, each displacement mechanism comprises a drive mechanism, a telescopic frame, two moving blocks and two connection rods, and each printing unit comprises a movable block, a top plate, an insertion plate, a printing sprayhead and two guiderail plates. The intelligent 3D printer having the spray head regulation and switching function drives the two printing spray heads to move for printing respectively through the twoprinting mechanisms, and improves printing efficiency, and furthermore due to the fact that the model number of an integrated circuit in a timed control circuit is NE555, the intelligent 3D printer having the spray head regulation and switching function greatly reduces production cost and improves market competitiveness on the premise of guaranteeing accurate timing.

The invention relates to a metal surface exposure type powder bed melting additive manufacturing system. The metal surface exposure type powder bed melting additive manufacturing system comprises a laser light source module, a negative film module, a secondary amplification module, a light beam focusing adjustment module and a forming bar which are connected in sequence, wherein the laser light source module is used for generating laser, and the negative film module is used for cutting the laser to realize high-precision and low-power negative film image acquisition; the secondary amplification module is used for carrying out secondary amplification on acquired negative film light and outputting a high-power pulse; the light beam focusing adjustment module is used for focusing and shaping an input laser beam; and the forming bar is used for forming a required manufacturing shape. Compared with the prior art, the metal surface exposure type powder bed melting additive manufacturing system has the advantages of conveniently realizing selected area surface exposure, improving the printing rate of SLM and the like.

The invention relates to a printing method of a multi-material 3D printer. The printing method comprises the following steps of: (1) driving a laser machine and a printing platform to horizontally move to corresponding positions by using a Z-axis horizontal moving mechanism; (2) rotating a storage tank, scraping a printing material positioned inside the storage tank by using a scraper blade mechanism so as to form a flat printing layer, and then stopping rotation of the storage tank; (3) moving down the printing platform to make sure that the distance from the lower surface of the printing platform to the bottom of the storage tank is equal to the set printing thickness set by a cutting piece; projecting the image range by using the laser machine to make sure that the printing material inside the projection region is cured on the printing platform; (4) starting an oblique pull mechanism, making a mounting plate be inclined, and separating a curing layer on the printing platform from the storage tank; and (5) still driving the laser machine and the printing platform to horizontally move to the corresponding position of the next to-be-used storage tank, and subsequently repeating thesteps (2) to (4) to print layer by layer until printing is ended. The printing method can realize printing of a plurality of materials, realizes quick demoldinig in printing and can effectively solvethe problem that the printing materials cannot be printed.

The invention discloses multi-platform efficient material extrusion additive manufacturing equipment and a block printing method. The equipment comprises a base, four independent printing platforms are arranged on the base, and a guide groove is formed at the side edge of the base and used for being connected with a first support and enabling the first support to rotate around the base along the guide groove. A laser capable of sliding back and forth along the first support is arranged on the first support. A second support is arranged above the base and can move up and down along supporting columns, and a laser capable of sliding along the second support is arranged on the second support. By using the multiple printing platforms, the printing efficiency is greatly improved. According to the block printing method, use of most supports can be avoided, then printing materials can be saved, the printing speed can be increased, the post-processing step of removing the supports is omitted, and the surface quality of a workpiece is improved. In addition, different printing materials and different colors can be applied to different platforms through multi-platform block printing, so that the workpiece can be more attractive and rich in creativity.

The invention discloses an efficient and convenient cloud printing service terminal, which comprises an intelligent user terminal, a document archiving standardization management module, a file amountidentification module, an information collection module and an information transmission module, wherein the output end of the intelligent user terminal is connected with a cloud printing service platform; the output end of the cloud printing service platform is connected with an Internet access driving module; the output end of the document archiving standardization management module is connectedwith the cloud printing service platform; and the input end of a second indicator light is connected with a clock buzz alarm. By use of the efficient and convenient cloud printing service terminal, the intelligent user terminal and the cloud printing service plate are connected in series. Since a series connection way can enable information in the intelligent user terminal to be directly transmitted to the cloud printing service platform, transmission efficiency between the intelligent user terminal and the cloud printing service platform can be favorably increased, and in addition, the setting of the file amount identification module enables people to identify a required printing amount after people manually select the amount so as to be favorable for improving a file printing rate.

The invention provides a printing process for reducing ink loss, which relates to the technical field of printing. The printing process for reducing ink loss mainly comprises the following steps: preparation of hydrophobic paint, printer setting, ink treatment, substrate treatment, printing preparation, printing treatment and the like. The invention overcomes the shortcomings of the prior art, improves the utilization rate of the traditional ink in printing, reduces the waste of the ink, reduces the generation and discharge of the waste ink, is environmentally friendly and safe, and is suitable for popularization and use.

The invention discloses a printing assembly, a printer and a printing system. The printing assembly comprises a first toner cartridge unit and a second toner cartridge unit, wherein a paper rail is arranged between the first toner cartridge unit and the second toner cartridge unit, the first toner cartridge unit is used for printing first content on the first surface of target paper in the paper rail, and the second toner cartridge unit is used for printing second content on the second surface of the target paper in the paper rail. The target paper does not need to be turned over or pass the paper rail twice, double-surface printing can be completed as long as the target paper passes through the paper rail once, and therefore the printing speed is increased, and the printing efficiency is improved.

The invention relates to a preparation method of a functional backboard. The functional backboard comprises a grid coating, an inner layer film, a base layer film and an outer layer film which are arranged in sequence; a continuous overprinting device is adopted, and the preparation method comprises the following steps: (a) after the inner layer film and the base layer film are compounded, printing the grid coating on the inner layer film in an overprinting mode, and then compounding the inner layer film and the outer layer film; or (b) printing the grid coating on one surface of the inner-layer film in an overprinting manner, compounding the base-layer film with the outer-layer film, and compounding the other surface of the inner-layer film with the base-layer film; or (c) sequentially compounding the inner layer film with the base layer film and the outer layer film, and then printing a grid coating on the inner layer film. According to the invention, multiple times of coating can be realized, the thickness of the coating is increased, the appearance of the grid coating is ensured, the reflectivity is improved, and the power of a component end is greatly improved; the printing rate can be further improved; the loss of a material end can be reduced to the greatest extent through structural diversified design and process; the cost of the whole backboard is reduced, and the product added value is large.