124results about How to "Guaranteed printing effect" patented technology

A method for preparing flaky silver powder with the controllable single-crystal structure size comprises the steps that firstly, a silver nitrate aqueous solution is prepared, then a dispersing agent polyvinylpyrrolidone aqueous solution is added and stirred to be uniform, and then a trisodium citrate aqueous solution is added for reacting to prepare nano-silver seed crystals; finally, adding a polyvinyl alcohol aqueous solution serving as an end-capping reagent into the solution, and coating PVA on the crystal face of the nano-silver seed crystal {100} through a grinding dispersion machine to form a nano-silver seed crystal mixed solution containing silver nitrate, polyvinylpyrrolidone and coated PVA; preparing a nitric acid aqueous solution and an ascorbic acid aqueous solution, mixing and adding the nitric acid aqueous solution and the ascorbic acid aqueous solution into a reaction kettle, adding the mixed solution containing silver nitrate, polyvinylpyrrolidone and the PVA-coated nano-silver seed crystal under a stirring condition, and mixing to generate a reduction reaction; the PH value is adjusted through nitric acid to control the reduction reaction speed, the growth direction of nano-silver seed crystals is controlled through PVA, the particle size growth size is controlled through polyvinylpyrrolidone, and finally the flaky silver powder with the controllable single-crystal structure size is obtained.

The invention provides a circulating ink supply control method and a circulating ink supply control system, which are applied to a control unit in the circulating ink supply system. The method comprises the following steps: acquiring liquid level information detected by each liquid level sensor in an ink inlet unit and liquid level information detected by each liquid level sensor in an ink return unit in real time; according to the liquid level information detected by each sensor in the first sensor group, whether the circulating ink supply system is in a normal state is determined; if yes, the circulating pump or the air pump is controlled to conduct ink supply circulation according to the liquid level information detected by all the sensors in the second sensor set. The running speed of the circulating pump or the air pump is controlled through the liquid level information detected by all the liquid level sensors, it is guaranteed that the air pressure in the circulating ink supply system is stable, and therefore the ink supply amount of the spray head is stable, and the printing effect of a final model is guaranteed.

The invention relates to the technical field of advertisement display, decorative materials and environment-friendly materials, in particular to a degradable advertisement inkjet film and a preparation method thereof.The degradable advertisement inkjet film comprises a glittering ink absorption layer, a degradation starting layer and a main body layer arranged between the glittering ink absorption layer and the degradation starting layer; 1%-2% of an ultraviolet light absorber; and the like. According to the degradable advertisement jet drawing film, by means of the three-layer structural design, the perfect combination of the advertisement effect and environment-friendly degradation is achieved, the flash ink absorption layer provides the unique visual effect, meanwhile, the graphene nanosheet modified titanium oxide photocatalytic layer can catalyze the degradation process under illumination, the main body layer guarantees the mechanical and printing performance of the film, and the degradable advertisement jet drawing film has the good application prospect. And the degradation starting layer realizes rapid degradation through a microbial enzyme complex, and particularly, the graphene nanosheet modified titanium oxide photocatalytic layer is used as a key technology, so that the degradation rate of the advertisement film is remarkably improved.

The invention provides a printing method and a printing system for simulating kraft paper to print a digital manuscript and a computer readable storage medium. The printing method comprises the following steps: S1, determining color feature data of a pattern of a digital draft printed on real kraft paper; s2, generating a target characteristic file based on the color characteristic data; s3, simulated kraft paper color and simulated kraft paper texture are added; s4, determining CMYK four-color values for simulating the paper color of the kraft paper; and S5, based on the target characteristic file, the CMYK four-color values of the paper color of the simulated kraft paper and the texture of the simulated kraft paper, printing the digital draft to obtain the simulated kraft paper printing digital draft. According to the printing method, a standard basis is provided for printing of kraft paper, the printing effect can be guaranteed, and the complex printing process and cost can be saved.

The invention relates to the technical field of 3D printing, in particular to a Z-axis zeroing method and 3D printing equipment. The Z-axis zeroing method comprises the steps that a printing head and a printing platform are controlled to get close, and when the printing head makes contact with the printing platform, approaching operation is stopped; the printing head and the printing platform are controlled to be far away, and when the printing head and the printing platform are separated, far-away operation is stopped. Through a pre-pressing lifting mechanism that the printing head and the printing platform firstly abut against each other and then are separated from each other, deformation errors caused by tiny deformation of abutting contact of the printing head and the printing platform can be eliminated, Z-axis high-precision self-adaptive zeroing is achieved, and due to the fact that the deformation errors caused by contact deformation of the printing head and the printing platform are eliminated, the self-adaptive zeroing efficiency is improved. Therefore, the accuracy of the Z-axis return-to-zero position is improved, the printing quality of the first layer during printing can be ensured, the printing effect of the subsequent layers is also effectively guaranteed, and the precision, efficiency and quality of 3D printing are improved.

The utility model discloses an automatic positioning UV flatbed printer which comprises a base, the top of the base is fixedly connected with a processing table, the front end face of the base is provided with an operation panel, and one side of the top of the processing table is provided with a first driving assembly; a first driving assembly is arranged on the base, a second driving assembly is arranged on the first driving assembly, a printing assembly is arranged on the second driving assembly, a positioning assembly is arranged on the machining table, and a fixing assembly is arranged in the center of the base. The printing plate can be quickly positioned in the transverse direction and the longitudinal direction through the two sets of positioning plates, after the two sets of positioning plates are attached to the side wall of the printing plate, the infrared sensors can detect the distance between the infrared sensors and the positioning plates, and then when the numerical values between the two transverse infrared sensors and the numerical values between the two longitudinal infrared sensors are the same, the printing plate can be quickly positioned. And if yes, the printing plate is located at the center position, and rapid automatic positioning can be completed.

The utility model discloses a printing electrostatic ink absorption device, which belongs to the technical field of printing, aims at solving the problem that the printing quality is influenced as dust removal and static elimination cannot be carried out, and comprises a box body, a feeding port is formed in the left side of the box body, a discharging port is formed in the right side of the box body, and conveying mechanisms are arranged in the feeding port and the discharging port. A driving device is fixedly installed on the front side of the box body, a plate roller is fixedly installed on the driving device and rotatably installed in the box body through a bearing, an electrostatic rubber roller is rotatably installed on the upper portion of the box body and located in the box body, and an electrostatic discharge rod is fixedly installed on the upper portion of the electrostatic rubber roller and located in the box body. Static elimination rollers are rotationally mounted on the left side and the right side of the electrostatic discharge rod in the box body; by means of the conveying mechanism, dust on the surface of a printed object can be subjected to electrostatic adsorption cleaning in the conveying and printing process of the printed object, so that the printing quality in the subsequent printing process is improved, and the printing effect is ensured.

The utility model belongs to the technical field of garment processing, and particularly relates to a garment pattern printing device for outdoor jacket production, which comprises a support base, one side of the support base is fixedly connected with a fixing seat, a mounting plate is arranged above the support base, a moving guide rod is fixedly connected between the mounting plate and the support base, and the moving guide rod is fixedly connected with the fixing seat. A linkage frame is slidably connected to the outer side of the moving guide rod, an ink storage box is fixedly connected to one side of the linkage frame, a plane silk screen plate is fixedly connected to the inner wall of the bottom of the ink storage box, an ink squeezing plate is slidably connected to the inner side of the ink storage box, and a linkage adjusting seat is slidably connected to the outer side of the moving guide rod. One side of the linkage adjusting seat is fixedly connected with a limiting rod; through the cooperation of the linkage adjusting seat, the positioning plate and other parts, a worker can flatten and position the outdoor jacket in advance before carrying out pattern printing work on the outdoor jacket, so that the conditions that the outdoor jacket is wrinkled and the like in the printing process are avoided, and the printing effect on the outdoor jacket is guaranteed.

The application relates to the technical field of packaging boxes, in particular to a packaging color box surface printing process, which comprises a feeding process, a printing process and a discharging process. In the feeding process, a clamp is used to send the packaging box to the position of a transfer roller on a printing equipment rack. In the printing process, a color printing pattern on a transfer paper is transferred to the outer side wall of the packaging box through the transfer roller on the printing equipment rack. In the discharging process, the clamp is used to send the packaging box to the discharging position for discharging. The clamp composed of a main shaft, a mounting column and a clamping plate supports and clamps the inner side wall of the packaging box, so that the packaging box can stably abut against the side wall of the transfer roller in the printing process, the transfer effect is effectively guaranteed, and the printing forming effect of the color box surface is guaranteed.

The present invention discloses an ink heating module of an ink circulation system, which belongs to the field of printing technology, and includes a lower fixed block and an upper fixed block, wherein the upper fixed block is arranged above the lower fixed block; a mounting groove, wherein the mounting groove is arranged on the adjacent surfaces of the lower fixed block and the upper fixed block; a heating tube, wherein the heating tube is arranged in multiple groups, wherein the heating tube is arranged between the lower fixed block and the upper fixed block, and both upper and lower ends of the heating tube can be plugged into the corresponding mounting groove; and a liquid inlet, wherein the liquid inlet is arranged on the side surface of the lower fixed block. The present invention can realize that when the ink circulates from the inside of the circulation cavity, large bubbles will directly float up into the air collecting hood, while small bubbles will be filtered through the filter plate, and the filter plate will be continuously shaken so that the small bubbles will eventually enter the air collecting hood, thereby removing the bubbles in the ink, avoiding the problem of broken printing lines due to bubbles in the ink during printing, and ensuring the printing effect.

The utility model relates to the technical field of digital printing, and discloses a die for digital printing, which comprises a supporting surface and an abutting surface which are oppositely arranged, the supporting surface is used for supporting the inner surface of a bottom shell of a mobile phone shell and is completely matched with the inner surface of the bottom shell, the abutting surface is provided with a positioning hole, and the positioning hole is matched with the supporting surface. The positioning hole is used for being matched with a positioning pin on a transfer printing platform of a printing machine, and the supporting face is connected with the abutting face through a connecting face. According to the die, the supporting face and the abutting face which are opposite to each other are arranged, meanwhile, the locating holes matched with the locating pins are formed in the abutting face, when printing is needed, the mobile phone shell is sleeved on the die, then the locating pins are sleeved with the locating holes, the abutting face abuts against a transfer printing platform, and therefore locating installation of the mobile phone shell on the transfer printing platform is achieved. When the silica gel roller is pressed down for transfer printing, the mold plays a role in completely supporting the transfer printing face of the mobile phone shell, deformation and displacement of the mobile phone shell in the printing process are avoided, and the printing effect is guaranteed.

The invention relates to the technical field of printers, and particularly discloses a printer core and a printer.The printer core comprises a rack, a swing arm, a first gear, a second gear and a third gear, the swing arm, the first gear, the second gear and the third gear are rotationally arranged on the rack, and the first gear is tightly matched with the swing arm to drive the swing arm to be switched between a first state and a second state; the second gear is meshed with the first gear, a one-way clutch structure is arranged between the second gear and the third gear and enables the second gear to drive the third gear to synchronously rotate in the first direction, in the first state, the swing arm is separated from the third gear, and in the second state, the swing arm is driven by the third gear to rotate synchronously. The swing arm abuts against the third gear to limit rotation of the third gear. When the scheme is applied to the printer, the first gear can be connected with the paper roller rotating shaft, and the third gear can be connected with the thermal transfer ribbon roller rotating shaft, so that the used thermal transfer ribbon cannot pass through the printing head again along with paper returning, and the printing effect is ensured.

The utility model relates to connecting line production equipment technical field, concretely relates to a kind of connecting line surface code spraying equipment;Including: base, the base parallel arrangement, and base upper end surface middle part is provided with the code spraying part for carrying out code spraying procedure to connecting line, the code spraying part left side is provided with the pretreatment part for carrying out pretreatment to connecting line, the pretreatment part includes connecting plate, fixed plate and pretreatment roller;Connecting plate is attached and set in base front surface;Fixed plate is located connecting plate rear end surface, and fixed plate is connected with the upper end surface of base;Pretreatment roller is located connecting plate front end surface.This connecting line surface code spraying equipment, code spraying part carries out code spraying procedure before connecting line, pretreatment roller is contacted with connecting line surface by high-density brush hair and continuously rolls, and the restoring force generated by elastic deformation is used to peel off adherend, can remove more than 95% dust and dirt residue, not only do not influence wire rod code spraying efficiency, while guarantee the code spraying effect of wire rod, and then be conducive to popularization and use.

The invention discloses a support design method for 3D printing and a 3D printing method. The support design method comprises the steps that a structure with texture patterns and the lower surface smaller than 45 degrees is selected; according to the shape of the outer surface of the to-be-supported design structure, a curved surface or a plane consistent with the shape of the outer surface of the to-be-supported design structure is formed; or, when the structure with the texture patterns in the to-be-printed workpiece is generated on the basis of the original smooth structural surface through the three-dimensional software, the curved surface or the plane corresponding to the to-be-supported design structure is selected from the original smooth structural surface; translating the curved surface or the plane to enable the distance between the curved surface or the plane and the root of the highest convex surface of the texture patterns in the design structure to be supported to be one third to one half of the maximum convex length; and on the basis of the translated curved surface or plane, supporting design is carried out below the curved surface or plane. The supporting design efficiency of the workpiece with the pattern characteristics can be improved, the forming capacity of the workpiece is improved, and the appearance quality of the pattern structure is also improved.

The invention relates to an RFID label printer, and belongs to the technical field of label printers. The RFID label printer comprises a printer shell, a label roll placement bin is fixedly connected to the interior of the printer shell, an internal controller is arranged below the label roll placement bin, and the internal controller is installed in the printer shell; the printing mechanism is arranged in the printer shell, the lower end of the printing mechanism extends to one side of the label roll containing bin, and the side face, away from the label roll containing bin, of the printing mechanism penetrates to the exterior of the printer shell; according to the device, through the arranged printing mechanism, in the label printing process, a label in the auxiliary printing process can be moved out of a printer shell, meanwhile, the label can be flattened and stretched, the situation that the label is wrinkled is reduced, the situation that the label is bent and the like is reduced, and therefore the label can be conveniently printed. And the printing operation is performed in a flat state, so that the printing effect is guaranteed.

The present application relates to the technical field of thermal protection layer forming, and particularly relates to a composite material solid rocket engine heat insulation layer 3D printing system and an operating method. The printing system comprises a feeding system and a mechanical arm system. The feeding system further comprises a storage device, a mixing device and a hydraulic device. The mixing device is connected to the storage device through a pipeline. The hydraulic device delivers the heat insulation material in the storage device to the mixing device through the pipeline. The mechanical arm system further comprises a mechanical arm and a control unit. The head of the mechanical arm is provided with the mixing device and a printing head. The mixing device is connected to the printing head. The control unit has a heat insulation layer model slicing function and controls the movement of the mechanical arm and the printing of the printing head. The head of the mechanical arm is further provided with a curing device and a thickness measuring device. The thickness measuring device can measure the thickness of the heat insulation structure. The mechanical arm system automatically adjusts the process parameters according to the measurement results, and continues to print the areas whose thickness does not meet the requirements, thereby fully guaranteeing the printing effect and improving the reliability of the heat insulation layer.

The utility model discloses a digital printing production device convenient to position. The digital printing production device comprises a supporting column and a top plate installed on the top of the supporting column. A workbench is arranged on the inner sides of the supporting columns, and a baffle is arranged above the top plate. A hydraulic rod is mounted on the inner wall of the baffle through a bolt, the output end of the hydraulic rod is connected with a mounting plate, and a printing machine body is arranged on the lower surface of the mounting plate; a through groove is formed in the supporting column, a positioning structure capable of positioning the printing material is arranged on the inner side of the through groove, and the positioning structure comprises a fixing plate. According to the digital printing production device convenient to position, the guide rollers are arranged below the bearing plate, the guide rollers are distributed at equal intervals, and the guide rollers and the bearing plate are connected through bearings, so that printing materials can be positioned under the action of the guide rollers, and the digital printing production device can be suitable for positioning operation of materials with different widths and different thicknesses.

This application relates to the field of printed image color management technology, and in particular to a method, apparatus, computer device, and medium for generating a print preview image. The method includes: obtaining a gamut factor, a white balance factor, a hue response function, and a saturation function based on the printing scheme of the image to be printed and the default printing scheme corresponding to a mapping table; obtaining a first color value for each node based on the PreviewRGB value corresponding to each node in the mapping table; determining a second color value for the node based on the product of the gamut factor and the first color value of the node; obtaining a temporary RGB value for the node based on the product of the white balance factor, the hue response function, and the PreviewRGB value; obtaining a third color value for the node based on the temporary RGB value; obtaining a fourth color value based on the saturation function and the third color value of the node; converting the fourth color value into a target PreviewRGB value to obtain an updated mapping table; and generating a print preview image based on the updated mapping table. This method can save memory.

The invention provides a template-based rapid hot stamping device, which relates to the field of hot stamping technology and comprises a main structure, wherein a control mechanism is movably connected to the main structure, and the control mechanism is movably connected to a linkage mechanism at the same time, a bearing structure is fixedly connected inside the main structure, a limiting structure and a driving mechanism are movably connected to the top of the main structure, and the driving mechanism is movably connected to a lifting mechanism at the same time, and the lifting mechanism is slidably connected to the main structure at the same time, and a cooling mechanism is movably connected to the main structure at the same time, and the control mechanism comprises: a connecting frame, a motor A, a gear A, and a gear B, the connecting frame is fixedly connected to the motor A, one end of the motor A is fixedly connected to the gear A, and the gear A is meshed with the gear B at the same time, the motor A and the gear A can be used to control the gear B and the driving shaft to rotate in stages, and the printed matter can be controlled to slide toward one end, and when the printed matter stops being conveyed, the contact time between the hot stamping plate and the printed matter can be effectively increased.

The present invention discloses an inkjet printing device and a curing method thereof. The printing device includes a printing unit, a feeding unit, a curing unit and a control unit. The printing unit includes a printing carriage; the feeding unit is arranged below the printing unit, and is used to install the object to be printed and drive it to rotate; during the inkjet process, the curing range of the curing unit covers the image and text area sprayed by other ink nozzles except the transparent ink nozzle, but cannot irradiate the transparent ink area sprayed by the transparent ink nozzle, the curing unit moves synchronously with the printing carriage, and the control unit controls the reciprocating movement of the printing carriage along the first direction, the ink droplet spraying when each nozzle reaches the top of the area to be printed, the rotational movement of the object to be printed, and the curing operation of the curing unit. The printing carriage of the present invention completes all image and text printing after passing through the object to be printed once, the color ink droplets are cured in real time, and the transparent ink droplets are cured after leveling, so as to ensure the transparent effect, shorten the printing time, and improve the work efficiency.

The invention relates to the technical field of compounding and back coating of transfer paper, and discloses transfer paper equipment with compounding and back coating functions at the same time. According to the technical scheme, the transfer paper equipment with the compounding and back coating functions at the same time comprises a fixed rack, a first storage roller, a second storage roller, a guide roller, a guide belt transmission piece and the like; a first storage roller and a second storage roller are installed on the fixed rack, paper to be compounded is placed on the first storage roller and the second storage roller respectively, guide rollers are rotationally connected into the fixed rack, and guide transmission gears are fixedly connected to the two guide rollers. According to the device, compounding and back coating can be simultaneously carried out, the distance between the heating roller and the hot pressing roller is adjusted through the position adjusting air cylinder in the compounding process so as to carry out compounding processing on different types of paper, consumed back coating liquid can be rapidly supplemented in the back coating process, and the device can continuously run for a long time.

The utility model relates to 3D printing technical field, concretely for a kind of liquid level control device for photocuring 3D printing equipment, including trough, follow-up mechanism, adjusting mechanism, make-up pipe and make-up mechanism;Trough side wall is provided with communicating pipe, the inlet of communicating pipe is communicated with the bottom of trough side wall;Follow-up mechanism is arranged at one side of trough, and one end of follow-up mechanism is communicated with trough by communicating pipe;Adjusting mechanism is arranged at one side of trough for adjusting the height of liquid level in trough, and one end of follow-up mechanism extends into adjusting mechanism;Make-up pipe is arranged in trough;Make-up mechanism is arranged at one side of trough, and the discharge end of make-up mechanism is communicated with adjusting mechanism.The utility model is set up by the cooperation between follow-up mechanism, adjusting mechanism and make-up mechanism, device can automatically maintain the stable liquid level in trough, avoid that printing layer and trough wall are adhered due to liquid level being too high, or the defects such as printing layer material shortage, fault are caused by liquid level being too low.

The self-service automatic film printer comprises a machine body, a conveying groove is formed in the upper side of the interior of the machine body, sliding grooves are formed in the front side and the rear side of the bottom wall of the conveying groove correspondingly, and the self-service automatic film printer further comprises a limiting mechanism and a guiding mechanism; the limiting mechanism comprises guide sliding columns, a connecting plate, vertical plates and limiting plates, the guide sliding columns are arranged on the rear side in the machine body and slidably connected with sliding holes correspondingly formed in the left end of the connecting plate, the vertical plates are arranged on the rear side of the upper end of the connecting plate, and the limiting plates are arranged on the front side of the upper end of the connecting plate and the upper sides of the front ends of the vertical plates; according to the self-service film automatic printer, films can be limited and guided through the limiting plates, the printing efficiency is improved, meanwhile, the printing effect is guaranteed, the occupied area of the guide box when the guide box is not used is further reduced, and the self-service film automatic printer is convenient to use. The problem that the storage effect is affected due to the fact that the guide box is damaged is solved.

The utility model discloses a self-adhesive label 3D embossment printing device which comprises a machine base and a label belt, a material collecting roller is arranged on one side of the machine base, a material discharging roller is arranged on one side of the material collecting roller, a limiting roller set is arranged on one side of the material discharging roller, a laser etching mechanism is arranged on one side of the limiting roller set, an auxiliary assembly is arranged on the laser etching mechanism, and the auxiliary assembly is connected with the label belt. The laser etching mechanism is arranged at the lower end of the feeding roller, the color printing mechanism is arranged at the lower end of the laser etching mechanism, the feeding roller, the laser etching mechanism, the limiting roller set and the color printing mechanism are all arranged on the machine base, one end of the label belt is connected to the feeding roller, and the other end of the label belt sequentially penetrates through the limiting roller set, the laser etching mechanism and the color printing mechanism to be connected to the receiving roller. The self-adhesive label embossing device can perform embossing operation on a thin self-adhesive label, can timely suck dust generated by operation of a laser etching machine, avoids influence on subsequent color printing operation of the self-adhesive label, can fix the self-adhesive label, and improves embossing printing precision of the self-adhesive label.

The invention provides an acrylic acid adhesive, a high-temperature-resistant protective film and an optical conductive film, and particularly relates to the technical field of conductive films. The acrylic acid adhesive is mainly obtained by UV curing of an isocyanate grafted acrylic acid polymer, a polyfunctional group crosslinking monomer, a photoinitiator and an optional auxiliary agent, the isocyanate grafted acrylic polymer is mainly obtained by carrying out grafting reaction on an isocyanate monomer and an acrylic polymer; the isocyanate monomer is an isocyanate monomer containing double bonds; the polyfunctional group cross-linking monomer comprises PGDA, TMPTA, HDDA or PO-NPGDA. The acrylic acid adhesive provided by the invention has excellent high temperature resistance and rapid curing characteristic, the traditional release material and curing step are omitted, the production cost is reduced, and the production process is simplified.

The present invention relates to the technical field of thermal transfer printers, and discloses a carbon ribbon installation structure, which is used to install a carbon ribbon unit, wherein the carbon ribbon unit includes a driving wheel, a driven wheel, and a carbon ribbon connecting the driving wheel and the driven wheel, and the carbon ribbon installation structure includes two first installation positions, a slideway, and a clamping unit, wherein the two first installation positions are respectively used to install the driving wheel and the driven wheel and limit the radial movement of the driving wheel and the driven wheel; the slideway is connected to the first installation position, and is used for the driving wheel and the driven wheel to slide radially upward; the clamping unit is used to limit the axial movement of the driving wheel and the driven wheel. The structure of the present invention can ensure the stability of the driving wheel and the driven wheel, and can quickly disassemble and install the driving wheel and the driven wheel, so as to facilitate replacement.

The utility model discloses a printing device for a hidden polyester filament fabric, and relates to the technical field of printing devices. The device comprises a base, a working table is arranged at the top end of the base, a polyester filament yarn invisible fabric body is conveyed on the working table, a conveying and rolling component for conveying the polyester filament yarn invisible fabric body is arranged on the working table, and a leveling component for leveling the polyester filament yarn invisible fabric body is arranged on the working table. According to the utility model, the conveying and rolling member can drive the polyester filament yarn stealth fabric body to be conveyed and rolled, in the conveying process, under the action of the timer, the polyester filament yarn stealth fabric body can be driven to be rolled and moved at equal intervals, and the polyester filament yarn stealth fabric body can be leveled to two sides by using the leveling member before ink jet, so that the production efficiency is improved. Therefore, the wrinkles can be leveled, and the printing effect can be ensured during subsequent ink-jet printing.

The invention relates to the technical field related to 3D printing, and discloses a quantitative powder ink supply set which comprises a powder bin and a quantitative part. The transmission part is arranged on the quantifying part and is used for power transmission and energy storage of the quantifying part so as to synchronously drive the paving part and intermittently drive the shifting part; therefore, the powder is subjected to separate paving treatment and intermittent stirring, concentrated accumulation of the powder is avoided, the risk of powder caking or condensation is reduced, powder fluidity is kept, the amount of powder which cannot be used due to local accumulation and powder property change caused by local accumulation are reduced, and the powder quality is improved. Meanwhile, the problem that a falling dead zone is formed due to the fact that the powder is difficult to fall due to factors such as friction force and cohesive force among powder particles is solved, the phenomena of fluctuation and non-uniformity of the powder amount in the powder supply process are reduced, quantitative powder supply is achieved, and in addition, the residual powder amount is estimated more accurately due to the evenly-laid powder surface; and powder can be supplemented in time.

The invention discloses a nozzle inclined printing method, device and equipment and a storage medium, and relates to the technical field of ink-jet printing. The method comprises the following steps: mounting a spray head according to a preset inclination angle, and obtaining blank ink point numbers corresponding to nozzles in the spray head according to the precision of the spray head, the preset inclination angle and the original printing precision in a main scanning direction; according to the number of the blank ink points, a specified number of blank data is inserted into the line printing data corresponding to the nozzles, and point insertion printing data is obtained; and the insertion point printing data are sent to the spray head for ink-out printing, so that the printing precision can be improved when the spray head is obliquely mounted for printing, and meanwhile, the color register accuracy and the image printing effect are ensured.