51results about How to "Improve printing accuracy" patented technology

This application belongs to the field of semiconductor processing technology, specifically relating to a backlight reflective layer printing device and its application. This application effectively controls the vibration generated during the printing process by optimizing the mechanical structure and position design of the frame, support plate device, and multi-axis spindle, reducing the deviation between the actual operating path and the planned path of the piezoelectric jet valve. This significantly improves the stability of the piezoelectric jet valve operation and the printing accuracy. Furthermore, this application, by setting up a micro-adjustment device, a positioning system, an inkjet calibration system, and a needle alignment device, and utilizing their coordinated relationship, can precisely correct printing parameters such as the jetting position or jetting volume of the piezoelectric jet valve. Therefore, based on the aforementioned stable printer body structure, the coating quality of the backlight reflective layer obtained by piezoelectric jet printing will be further improved. Thus, the backlight reflective layer prepared using this invention has better thickness uniformity and a better reflective effect.

The utility model provides a bottom supporting structure of a 3D printer. The bottom supporting structure comprises a base, a fence fixedly installed on the top face of the base, a supporting seat connected with a supporting plate through a spring, the supporting plate fixedly installed at the bottom of a heated plate, a glass platform arranged at the top of the heated plate, and a long screw connected with a stabilizing mechanism. The base is adopted as a bottom supporting structure of the 3D printer to support the printing device, meanwhile, the glass platforms with the intervals are installed on the heated plate to be used for bearing finished products, the heated plate can enable the glass platforms to be evenly heated, and the situation that the glass platforms are formed due to temperature difference changes is avoided; the horizontal supporting structure is ensured to improve the printing precision, the springs are arranged to achieve elastic supporting of the supporting structure, vibration generated when the printing device works cannot affect the supporting structure, control is achieved through the stabilizing mechanism according to the weight of a printed finished product, and a stabilizing rod abuts against the bottom of the heated plate to achieve further supporting. And the processing precision of the 3D printer is improved.

The utility model relates to the technical field of reflection sheet feeding, especially a deviation-correcting automatic feeding system for reflection sheet printing, comprising a supporting rail, the upper surface of the supporting rail is slidably connected with an anti-deviation bearing assembly, and the side of the supporting rail is slidably connected with a docking mechanism; the anti-deviation bearing assembly comprises a bearing table, the upper surface of the bearing table is fixedly connected with two bearing seats, the two bearing seats are fixedly connected with a bearing rod, the outer side of the bearing rod is slidably connected with a connecting seat, the two ends of the connecting seat are fixedly connected with buffer springs, the buffer springs are sleeved on the outside of the bearing rod, the top end of the connecting seat is fixedly connected with a deviation-correcting table, the center of the deviation-correcting table is elastically connected with a deviation-correcting rod, and the front end of the deviation-correcting rod is fixedly connected with an S-pole magnetic block; in the utility model, the problem of shaking during the feeding of light and thin reflection sheets is effectively solved, the accurate positioning of reflection sheets is ensured, the compatibility of equipment is improved, the overall design significantly improves the printing precision and efficiency, and the scrap rate is reduced.

The utility model discloses a slider connecting piece, drive stand and 3D printer to solve the technical problem of inconvenient installation and insufficient stability of the existing 3D printer slider connecting piece. The utility model discloses a bottom plate, mounting block, clamping post, the mounting block includes setting in the side surface of bottom plate, first mounting block for with slider fixed connection, the clamping post includes setting on the bottom plate and the first stand and second stand of up and down arrangement, and there is the clamping gap between first stand and second stand, and the position of first stand faces the clamping gap and is provided with first pawl, and the position of second stand faces the clamping gap and is provided with second pawl, first installation groove is formed between the clamping post and first mounting block, and the head and tail of toothed transmission belt all pass through the clamping gap. The utility model has the advantages of convenient installation and strong stability.

This utility model provides a switch for liquid metal printing, mainly relating to the technical field of liquid metal printing equipment. The switch for liquid metal printing includes a nozzle mounting plate, a graphite plate, ceramic fiber cotton, a fixing plate, a connecting rod, and a nozzle. The nozzle is fixedly installed on the lower part of the nozzle mounting plate, and the upper part of the nozzle mounting plate serves as the sealing surface of the switch. The nozzle mounting plate is fixedly installed in the printing crucible from top to bottom, providing a stable mounting reference for the entire switch. The advantages of this utility model are: this equipment can meet the high flow rate requirements with a single elongated switch, eliminating the need for multiple individual circular hole switches, simplifying the structure, reducing the disturbance of the switch to the liquid metal, and effectively improving the metal printing quality.

A top frame machine for balancing screen printing stencils is disclosed, relating to the technical field of screen printing equipment. A push plate is positioned on the upper side of a base plate and connected to the base plate via a push mechanism. A limiting plate is connected to a side plate via a drive mechanism. Several connecting springs are fixed to the lower surface of an abutment plate, embedded and fixed within cylindrical grooves on the push plate. Pressure sensors are fixed at the four corners of the upper surface of the abutment plate, and abutment rods are fixed at each of the four corners of the lower surface of the abutment plate. Abutment discs abut against the lower ends of the abutment rods, inserted into the four corners of the push plate, with the upper sides of the abutment discs inclined. The output shaft of an adjusting motor is fixedly connected to the center of the lower surface of the abutment discs, and the adjusting motor is connected to the pressure sensors via a controller. Through the linkage of the pressure sensors and the adjusting motor, the pressure at the four corners of the stencil is automatically balanced, ensuring uniform stencil tension, improving printing accuracy and stencil life, while reducing manual adjustments and making operation simple and efficient.

The utility model discloses a supporting device for printing and conveying a packaging film, which comprises a workbench, the top of the workbench is fixedly connected with a printing machine, the surface of the printing machine is provided with the packaging film, the top of the workbench is fixedly connected with two symmetrical fixing plates through bolts, and the fixing plates are fixedly connected with the workbench through bolts. A driving roller is jointly installed between the two fixing plates, and sliding rails are fixedly connected to the inner walls of the two fixing plates. A packaging film is dragged to the surface of the driving roller from the previous process, the air cylinder drives the connecting plate to move downwards, the U-shaped plate drives the driven roller to move downwards and limit the packaging film under the cooperative use of the sliding rod and the fixing block, the driving roller is started at the moment, and the driving roller conveys the packaging film to the surface of a printing machine for printing. Therefore, the packaging film can be effectively prevented from drooping due to self weight or external force during printing, so that the printing effect is not influenced, and the purpose of improving the printing precision of the packaging film is achieved.

The utility model discloses a consumable detection device for a 3D printing extruder. The consumable detection device comprises a printing head shell, a wire extruding channel is vertically formed in the inner side of the printing head shell in a penetrating mode, and a detection channel, an adjusting groove and a square groove are formed in the inner side of the printing head shell. The inner wall of the detection channel is fixedly connected with a first fixing shaft and a clamping block. Through an innovative mechanical conduction structure, when the consumables are inserted from the top, the balls are pushed and eject the deflector rod, so that the distance between the magnet block on the deflector rod and the Hall sensor is changed, the entry state of the consumables is detected in real time, and meanwhile, the detection accuracy is improved. The Hall sensor can accurately sense the actual diameter of the consumables according to the difference of the shifting distance of the shifting rod caused by small change of the diameters of the consumables, real-time accurate control over the extrusion flow is achieved in combination with the driving motor and the transmission gear set, and the problem that in the prior art, the extrusion amount is unstable due to uneven diameters of the consumables is solved; and the consistency of printing quality is obviously improved.

The application belongs to the technical field of printing, and particularly relates to a printing jig design method based on ultra-thin circuit board printing technology. The application aims to solve the problems that the existing jig design is difficult to adapt to the ultra-thin circuit board, the printing precision and yield are low, the design cycle is long and the like due to the fact that the ultra-thin circuit board is extremely thin and easy to deform and warp. The method comprises the following steps: obtaining geometric and mechanical parameters of the ultra-thin circuit board; establishing an accurate deformation mechanical model of the ultra-thin circuit board under printing composite load; predicting the deformation behavior based on model simulation; optimizing the jig structure layout, support scheme and material selection according to the simulation result; and optimizing the jig design. Through the above technology, the application can effectively prevent the deformation and warping of the ultra-thin circuit board, significantly improve the printing precision and yield, shorten the design cycle, reduce the production cost, and promote large-scale and efficient production.

This utility model provides a multi-color overprinting precision positioning roller printing machine, belonging to the field of printing technology. It includes a printing machine body, an operating platform, and support legs fixedly installed at the bottom of the operating platform. The positioning mechanism includes an arc-shaped fixing block fixedly installed on the outer surface of the support legs, a sleeve movably connected to the inner surface of the arc-shaped fixing block, a roller sleeved on the outer surface of the sleeve, an inner support assembly disposed on the outer surface of the support legs for fixing the roller, and a drive assembly disposed on one side of the inner support assembly for rotating and retracting the printed paper sheet. This utility model, through the mutual cooperation of the various components of the positioning mechanism, ensures accurate positioning each time material is loaded. Furthermore, the cylinder drive achieves a uniform and stable clamping force distribution, avoiding roller displacement or tilting caused by inaccurate manual adjustment. It also ensures consistent tension and stable rotation speed of the material during winding, improving printing accuracy and winding quality.

The present application provides an aliphatic-aromatic polyester composition and a 3D printing product prepared therefrom. The present application belongs to the technical field of 3D printing materials. The aliphatic-aromatic polyester composition comprises 8-25 parts by weight of polylactic acid, 75-90 parts by weight of aliphatic-aromatic copolyester and 0-3 parts by weight of a compatibilizer; the aliphatic-aromatic copolyester comprises diacid residues and diol residues; the diacid residues comprise 72-85 mol% of terephthalic acid residues and 15-28 mol% of succinic acid residues; and the diol residues comprise at least 1,4-butanediol residues in an equimolar amount with the diacid residues. The aliphatic-aromatic polyester composition has high flexural modulus and good low-temperature toughness, is used for 3D printing, and has high printing precision.

The application provides a kind of generation method and system for the stereoscopic printing data of scanning feature parts, the method comprises: obtaining a plurality of scanning track points of a part to be printed;Obtain a plurality of cross-sectional profile points of the part to be printed at each scanning track point, and record as cross-sectional profile point data;Coordinate conversion is carried out on the cross-sectional profile point data to generate tangent plane profile point data;According to the distance between the tangent planes corresponding to adjacent scanning track points, generate tangent plane distance data;According to the tangent plane profile point data, generate printing trajectory data;According to the tangent plane distance data and the preset line width data, generate printing speed data;And according to the printing trajectory data and the printing speed data, generate the stereoscopic printing data of the part to be printed.The application can realize support-free adaptive spatial slicing, save support materials, and improve printing accuracy.

The application belongs to a resin material, and aims at the technical problems that the existing phenolic resin material for casting has insufficient mechanical strength and high dependence on petroleum-based raw materials, which leads to insufficient environmental performance, and provides a biobased modified resol resin material for casting, a preparation method, an application and a 3D printed product. The resin material comprises a biobased modified resol resin, a biobased toughening agent, a thermal curing agent and other auxiliaries. The biobased modified resol resin is obtained by silanization of a phenolic mixture formed by cashew phenol and phenol after polycondensation with formaldehyde. The preparation method comprises pre-polymerization, free formaldehyde capture, silanization reaction and toughening / thermal curing mixing steps. By introducing cashew phenol and silanization modification structure, the application is beneficial to reduce the dependence on petroleum-based phenolic raw materials, improve the mechanical properties of the resin material, and reduce the free aldehyde content, and is suitable for 3D inkjet printing materials and 3D printed products for casting.

The printing plate comprises a metal film and an organic film which are arranged in a stacked mode, the metal film comprises a plurality of weft-direction connecting parts arranged at intervals and a plurality of warp-direction connecting parts arranged at intervals, and the weft-direction connecting parts and the warp-direction connecting parts intersect with each other to form a plurality of material penetrating openings. The warp-direction connecting parts comprise a plurality of first connecting parts and a plurality of second connecting parts, the first connecting parts are connected with the adjacent weft-direction connecting parts in the first direction, the second connecting parts are connected with the adjacent weft-direction connecting parts in the second direction, and the first direction intersects with the second direction; at least one grid line opening is formed in the organic film, the grid line opening corresponds to the interval between the adjacent weft-direction connecting parts, the grid line opening is used for enabling slurry flowing in from the material penetrating opening to flow out from the grid line opening, and the width of the grid line opening is smaller than the interval between the adjacent weft-direction connecting parts.

This utility model discloses a 3D printing additive manufacturing equipment, which includes a control power supply and a pneumatic control device. The core structure also includes: a lifting plate connected to a lifting drive mechanism; an ultraviolet lamp irradiation module mounted on the lifting plate and having an adjustable light direction ultraviolet lamp assembly; a dispensing module mounted on the ultraviolet lamp bracket, with the dispensing end surrounded by the ultraviolet lamp assembly and the air inlet end connected to the pneumatic control device; a positive power supply connection block sleeved on the dispensing end of the dispensing module and connected to the positive terminal of the control power supply; and a dispensing platform located below the dispensing module, with a metal negative pressure plate at the top and connected to the negative terminal of the control power supply. In addition, a heating module is provided outside the dispensing module, and the lifting drive mechanism adopts a double guide rail and lead screw nut assembly to ensure accuracy. This equipment is based on electrohydrodynamics (EHD) technology and drives dispensing through "electric field + air pressure", which has non-contact printing characteristics, high printing accuracy and stability, and is suitable for processing complex display screen structures.

This utility model discloses a special ceramic metallization printing fixture, belonging to the field of special ceramic processing technology. The fixture includes a positioning frame and a mounting plate detachably installed within the positioning frame. It also includes: mounting holes arranged in a rectangular array on the mounting plate for placing ceramic substrates; each mounting hole has a clamping part for limiting the ceramic substrate's position. When the ceramic substrate is located within the mounting hole, its surface is flush with the mounting hole. Through the arrangement of the mounting plate and mounting holes, when the ceramic substrate is placed into the mounting hole, it directly contacts the anti-slip texture on the anti-slip pad, and the elasticity of the elastic sheet compresses the sidewall of the ceramic substrate, thereby limiting its position. This fixture can adapt to ceramic substrates of different sizes of the same type, effectively improving the adaptability of the mounting plate to the ceramic substrate and further improving production efficiency.

The invention relates to the technical field of surface coating fluid equipment, in particular to an automatic gluing and stretching device for a photovoltaic frame. The device comprises a rack, a tension system, an automatic gluing system and jacking equipment, wherein the tension system realizes uniform tensioning of a silk screen through a longitudinal stretching module and a transverse stretching module; the automatic gluing system completes efficient gluing through a three-dimensional moving mechanism and a coating assembly and has a cleaning function. And the operation stability and accuracy are ensured through the jacking equipment. The device achieves the effects of improving the production efficiency, ensuring the product quality and reducing the labor cost.

The invention relates to the technical field of resistor printing equipment, and particularly discloses a chip resistor MK layer UV printing curing process and device, the chip resistor MK layer UV printing curing device comprises a case and a support frame, the inner surface of the case is fixedly connected with a guide plate, the outer surface of the upper end of the guide plate is fixedly connected with a driving plate, and the upper side of the driving plate is provided with a wiping assembly. The substrate on the upper side of the supporting frame can be conveyed through circulating movement of the bracket, so that the flow process of substrate printing can be achieved, the printing precision can be effectively guaranteed while the printing processing efficiency is improved, meanwhile, the labor intensity of workers can be reduced to a certain extent by achieving automatic feeding, and the production efficiency is improved. And meanwhile, the slurry on the surface of the substrate can be scraped by the scraper, so that the slurry on the surface of the substrate is kept flat, the printing processing precision can be improved, and sequential printing of the chip resistors can be completed.

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.

This application relates to the field of packaging and printing technology, and discloses an outer packaging printing device, including a base plate, a printing component, and an elastic component. In this outer packaging printing device, the base plate integrates an unwinding component, a pressure roller, and a rewinding component, forming a continuous printing path. In the printing component, the printing roller inside the printing chamber is evenly inked through a sponge block and capillary tube. An L-shaped plate cooperates with a first sliding groove, and a servo motor drives a lead screw and guide rod to adjust the position of the printing roller, matching it with the pressure roller to accommodate substrates of different thicknesses. In the elastic component, the guide roller slides through a second sliding groove, and a limiting rod is linked with a telescopic spring to dynamically compensate for the pressure between the pressure roller and the printing roller, avoiding wrinkles or ghosting. A controller coordinates various electrical components, simplifying the operation process. The anti-slip design at the bottom of the support column enhances stability. This device, by simplifying the mechanical layout, solves the problems of poor printing adaptability and low adjustment efficiency in existing technologies, comprehensively improving printing accuracy and compatibility.

The invention belongs to the technical field of ink-jet printing and discloses an industrial digital ink-jet printing robot which comprises a base plate, a mechanical arm is fixedly connected to the top face of the base plate, a secondary ink box is arranged on the end face of the mechanical arm, an ink-jet mechanism is arranged below the secondary ink box, and a protection mechanism is arranged on the outer side of the ink-jet mechanism. The ink jet mechanism comprises a fixing ring, the fixing ring is fixedly connected to the surface of the mechanical arm, an ink jet pipe is fixedly connected to the interior of the fixing ring, a first baffle is fixedly connected to the inner wall of the ink jet pipe, and a bottom plate is fixedly connected to the inner wall of the first baffle. Intermittent ink output of the device is achieved, intermittent ink jetting can enable an ink path to keep slight circulation, the ink concentration is uniform, the problems of different depths, chromatic aberration and the like in printing are avoided, the stability of long-time printing is guaranteed, and the printing quality and the equipment reliability are improved.

The application belongs to the technical field of additive manufacturing, and particularly relates to a metal 3D printing fine wire feeding device and an additive manufacturing equipment comprising the same. The fine wire feeding device comprises a shell assembly, a metal wire guiding assembly and a metal wire driving assembly. The shell assembly surrounds the metal wire driving assembly. The metal wire guiding assembly is installed in the shell assembly along the longitudinal direction. The metal wire penetrates through the metal wire guiding assembly and is fed by the metal wire driving assembly. The metal wire driving assembly comprises a driving wheel assembly, a driven wheel assembly and an anti-rolling assembly. The driving wheel assembly and the driven wheel assembly jointly constitute a clamping and conveying mechanism for the metal wire. The anti-rolling assembly comprises two side wall supporting discs which are symmetrically arranged on both sides of the metal wire and used for limiting the rolling of the metal wire in the horizontal plane. The problems of poor stability of fine metal wire conveying and difficulty in guaranteeing the quality of finished parts are solved.

This invention belongs to the field of printing, specifically high-resolution image printing technology, and particularly to a technology for achieving high-precision printing output using a low-resolution printhead. This invention splits a high-resolution bitmap into multiple sub-images, printing them in stages. Utilizing the high-precision displacement characteristics of a linear raster motor, and based on the image precision, the printhead moves laterally a very short distance q after each printing cycle before proceeding to the next. After multiple printing cycles, all sub-images are printed, thus achieving high-precision printing. This invention eliminates the need for a high-precision printhead; high-precision image printing can be achieved using a low-precision printhead and the printing method described herein.

The utility model discloses a printing head and a three-dimensional printer, relates to the technical field of three-dimensional printing, and mainly aims to simplify the structure of the printing head and reduce the weight of the printing head so as to improve the printing precision and the printing efficiency of the printing head. According to the main technical scheme, the printing head comprises an extrusion assembly, the extrusion assembly comprises a plurality of extrusion mechanisms, and the extrusion mechanisms are used for conveying consumables; a plurality of nozzles; and the driving mechanism is in driving connection with the multiple extrusion mechanisms and the multiple spray heads, and the driving mechanism is used for driving one of the spray heads to move to the printing position and driving one of the extrusion mechanisms to clamp the consumable so as to convey the consumable into the spray head located at the printing position at the same time.

The utility model discloses an environmental protection corrugated paper box water -based printing device, including the bottom plate, the bottom plate upper end is connected with the printing part, the printing part includes: support roller subassembly, installs at the bottom plate front side, cleaning part, installs on the bottom plate and is located support roller subassembly rear side, the cleaning part includes the support frame fixedly connected on the bottom plate, two groups of cleaning rollers are rotatably connected on the support frame, the utility model relates to environmental protection corrugated paper box water -based printing technical field. The environmental protection corruggated paper box water -based printing device makes the support frame, first motor, two groups of cleaning rollers, bevel gear assembly each other cooperation, realizes the cleaning effect to the corrugated paper two sides, after the corrugated paper that cleans up is removed to the conveying roller subassembly, through the cylinder, the movement frame, the array of limiting roller is limited to the vertical side of corrugated paper, makes the second motor and bidirectional screw rod, two groups of slide rod, the deviation rectification frame each other cooperation, and the deviation rectification treatment is carried out to the horizontal side of corrugated paper board.

This invention discloses a pressure-adaptive continuous printmaking device, belonging to the field of printmaking technology. It includes: two lifting screws, each with a sliding groove on its side plate. The lifting screws are rotatably connected to the sliding grooves, and the two lifting screws rotate synchronously relative to each other, with opposite thread directions. It also includes two screw seats, which are drively connected to the lifting screws and slidably connected to the sliding grooves. A lifting block is fixedly connected between the two screw seats. A printing roller is positioned below the lifting block and is capable of moving up and down. In this invention, the synchronous opposite rotation of the two lifting screws drives the two screw seats to rise and fall synchronously, preventing height discrepancies at both ends of the lifting block. This ensures the printing roller remains parallel to the printing plate, preventing defects such as partial omissions, double printing, or pattern misalignment caused by roller skew, reducing scrap rates, and improving the overall production quality and operational stability of printmaking.

The utility model relates to the technical field of solder paste printing machine equipment, and discloses a piezoresistor disc automatic turn-over device which comprises a base, two clamping plates are arranged above the base, the two clamping plates are symmetrically arranged up and down, the two clamping plates are attached to each other, and a plurality of containing grooves are formed in the middles of the clamping plates. According to the automatic turn-over device for the piezoresistor disc, the two positioning plates corresponding to the two clamping plates are clamped through the two clamping jaws which correspond to each other up and down, so that the two clamping plates can be driven to turn over when a double-shaft motor drives a rotating shaft to rotate through a chain, and then the piezoresistor disc and the two clamping plates are turned over in the original place; and the effects that the two clamping plates and the piezoresistor disc can be turned over automatically, the positions of the clamping plates and the piezoresistor disc can be prevented from deviating during turning over, the positions of the clamping plates and the piezoresistor disc below the tin brushing mechanism do not need to be adjusted again, and the working efficiency of turning over the piezoresistor disc and the printing precision of the solder paste are improved are achieved.

The invention provides a balloon plugging device for ultrasonic 3D printing, which comprises a multi-cavity catheter, the multi-cavity catheter comprises an outer layer protective sleeve, an inflation catheter and an ink delivery pipe, the inflation catheter and the ink delivery pipe are located in the outer layer protective sleeve, and the axes of the outer layer protective sleeve, the inflation catheter and the ink delivery pipe are parallel; the outer-layer protective sleeve is provided with a first sealing face and a second sealing face which are perpendicular to the axis, the first sealing face is the front end face of the outer-layer protective sleeve, the second sealing face is located at one end close to the front end face of the outer-layer protective sleeve, and the position, between the first sealing face and the second sealing face, of the outer-layer protective sleeve is connected with a pneumatic balloon. The pneumatic balloon is communicated with a cavity between the first sealing surface and the second sealing surface; the front end of the inflation catheter is communicated with the pneumatic balloon, and the front end of the ink conveying pipe extends out of the first sealing face. Blood flow and uncured acoustic ink can be physically isolated through the pneumatic balloon, the ink is prevented from being washed away by the blood flow, and meanwhile, hydrogel particles of the acoustic ink are prevented from entering blood to cause thrombus.