16results about How to "Guaranteed printing quality" patented technology

The application discloses a body structure and a printer. The body structure comprises a casing and a printing assembly. The mounting cavity of the casing has a first bottom wall surface and a support surface arranged at intervals in the thickness direction of the body. The printing assembly comprises a print head located in the mounting cavity. The lower edge of the printing area is located between the first bottom wall surface and the support surface or is lower than the first bottom wall surface. The consumable box can be supported on the support surface, and the bottom surface thereof is located between the support surface and the first bottom wall surface or is flush with the support surface. That is, part of the consumable box is accommodated in the space between the support surface and the first bottom wall surface, so that the body structure can be adapted to consumable boxes with different thickness sizes, and the versatility of the body structure is improved. The body structure of the application also ensures that the printing paper is always located in the printing area in the thickness direction of the body, avoids offset printing or empty printing, and guarantees the printing quality.

A calendering machine sucking device, it includes sucking box, the top opening of the sucking box is connected with cloth guide roller through bearing assembly, the outer surface of the cloth guide roller is fixed with spiral distributed brush, the top of the sucking box is connected with one end of first bellows through flange, the other end of the first bellows is communicated with the air inlet of fan, the air outlet of the fan is connected with the top end of second bellows through quick release joint, the bottom end of the second bellows is detachably connected with silk screen cylinder through clamp, the bottom of the silk screen cylinder extends to the inner cavity of water storage bucket, and the water body that submerges the bottom of the silk screen cylinder is filled in the water storage bucket, the device has novel structure, ingenious idea, increases fan, water storage bucket and silk screen cylinder and removes the impurities such as flower hair on the grey cloth, the device has good hair sucking effect, good dustproof effect, product quality is improved, and the situation of printing after printing is obviously reduced.

The utility model discloses a kind of multi-material mixing feeders for 3D printing, it is related to 3D printing technical field;And the utility model includes bunker, the lower surface of bunker is fixedly connected with discharge pipe, the upper surface of bunker is fixedly connected with connecting pipe, feeding pipe is communicated with the outer surface annular array of connecting pipe, the upper surface of connecting pipe movably is equipped with cover, connecting pipe and cover are equipped with connecting assembly between, the inside of bunker and discharge pipe and the upper surface of cover are commonly equipped with clear jamming type stirring mechanism, the even stirring and mixing of material can be realized by the clear jamming type stirring mechanism, in the stirring process, the material at discharge port is scraped and cleaned synchronously by the mechanism, effectively avoid the outlet blockage problem caused by material accumulation, caking, by connecting assembly, stirring structure is designed into split type, and this detachable design greatly simplifies the cleaning maintenance process of mixing feeder.

This invention provides a method, system, and electronic device for controlling curved surface screen printing. The technical solution is as follows: Based on a pre-obtained correspondence between the curved surface rotation angle and the curved surface radius, a correspondence between the curved surface rotation angle and the curved surface arc length is obtained; based on this correspondence, the maximum height of the curved surface to be printed under different rotation angles is determined; the corresponding curved surface rotation angle is determined by constraining the maximum height, thereby determining the optimal contact angle between the screen and the curved surface to be printed; the horizontal and vertical coordinates of the corresponding optimal contact point are determined based on the optimal contact angle; the four-axis positional relationship is determined based on the horizontal and vertical coordinates and the correspondence between the curved surface rotation angle and the curved surface arc length; based on the four-axis positional relationship, the difference between the horizontal coordinate of the screen and the horizontal coordinate of the optimal contact point is used as a constant control quantity to simulate the four-axis motion to obtain the four-axis motion curve, thereby controlling the four axes of the curved surface screen printing machine to perform corresponding movements. This invention solves the problems of low efficiency and low printing quality in existing curved surface screen printing control methods.

The utility model provides a kind of blanket automatic separation and deviation correction's subassembly, install in printing machine, it is related to printing equipment technical field, including the separation mechanism and deviation correction mechanism between the left end plate and right end plate of printing machine, separation mechanism is located above deviation correction mechanism, main motor is installed by fixed frame outside left end plate, the rotating shaft sleeve of main motor is equipped with main gear, main gear is connected with main transmission gear by main chain transmission, main transmission gear inner wall transmission connection has main shaft, main shaft rotatably be arranged between left end plate and right end plate;Main gear, main chain, main transmission gear and main shaft are rotated by main motor drive, main shaft, deviation correction mechanism and separation mechanism are all connected with blanket rolling, realize the rolling conveying of blanket, automatic deviation correction and automatic separation from main shaft, to improve the efficiency and precision of blanket processing, ensure printing quality, reduce manual operation intensity.

The utility model is specifically related to a compact automatic ink replenishing printing device, including mounting seat and apron, be equipped with first sliding slot on the mounting seat, be equipped with second sliding slot and third sliding slot respectively on the mounting seat side of first sliding slot, the inside of first sliding slot is connected with printing plate slidingly, be provided with staggered ink replenishing subassembly in the second sliding slot, staggered ink replenishing subassembly includes extension plate, guide plate, floating plate, spring and ink box, the inside of third sliding slot is connected with the top head slidingly, the mounting seat is fixedly connected with first air cylinder, second air cylinder and third air cylinder respectively on first sliding slot, second sliding slot and third sliding slot place. The utility model has the advantages of realizing automatic printing and ink replenishing processing, guaranteeing printing quality, and compact overall structure, small space occupation.

This invention provides a degassing mechanism for folding pages in commercial printing presses. The degassing blade of this mechanism is mounted on a rotating wheel in a serrated shape. The degassing blade is a ring-shaped cutter with serrated edges, which leaves a series of air holes on the paper as it passes through. The rotating wheel is located in front of the paper feed roller in the conveying direction, placing it diagonally above the roller. This allows the degassing blade to apply positive pressure to the paper as the roller moves forward, preventing slippage and ensuring paper quality. The degassing ring groove ensures the depth to which the degassing blade cuts the paper, guaranteeing that each tooth leaves an air hole at the fold line. This achieves ideal degassing during folding, preventing air pockets at the fold line and significantly improving the flatness of the folded paper, thus enhancing the overall quality of the final paper processing.

The embodiment of the invention provides a scraping strip grinding device which is used for grinding a scraping strip, the scraping strip grinding device comprises a fixing support, a driving assembly, a sliding assembly, a grinding piece, a scraping strip fixing assembly and a pressure adjusting assembly, and the pressure adjusting assembly and the driving assembly are both installed on the same side of the fixing support in the height direction of the scraping strip grinding device. The sliding assembly is movably connected with the driving assembly, the grinding piece is detachably connected with the sliding assembly, the scraping strip fixing assembly is installed on the pressure adjusting assembly, and the scraping strip fixing assembly and the grinding piece are oppositely arranged in the width direction of the scraping strip grinding device at intervals. The scraping strip fixing assembly can fix a scraping strip, the pressure adjusting assembly can control the fit clearance between the scraping strip fixing assembly and the grinding piece so that the grinding piece can abut against the scraping strip, and the driving assembly can drive the sliding assembly and drive the grinding piece to move in the length direction of the scraping strip grinding device.

This utility model relates to the field of screen printing machine technology, specifically a novel screen printing machine, including an operating table with a printing structure. The printing structure includes a fixed frame, which is fixedly connected to the operating table. A screen printing plate is mounted on the inner side of the fixed frame. An mounting arm is slidably connected to the side of the operating table, and a movable screw is threadedly connected to the inner side of the mounting arm. The movable screw is rotatably connected to the operating table. A pressure arm is provided on the mounting arm, and a first guide roller and a second guide roller are rotatably connected to the bottom side of the pressure arm. A contact belt is sleeved between the first guide roller and the second guide roller. By replacing the traditional scraper with a contact belt that can rotate around the first and second guide rollers, the contact belt can continuously rotate during the process of moving and squeezing the ink on the screen printing plate, thereby greatly reducing frictional wear on the surface of the screen printing plate and extending its service life.

The utility model discloses a double platform silk screen printing machine, include: base, first platform, second platform, printing device and alarm device, and base is provided with a plurality of guide grooves along left and right direction, first platform is slidably arranged in the guide groove along left and right direction, and first platform is used for placing product, first platform is slidably arranged in the guide groove along left and right direction, and second platform is used for placing product, printing device is set up on the base, and first platform and second platform alternately approach or away from the below of printing device, and printing device is used for printing the product placed on first platform or the product placed on second platform, alarm device includes counter and siren, and the counter electricity is connected siren, and the counter and siren all are set up on the base, and the counter is used for detecting and recording the printing frequency of printing device, and when the printing frequency recorded by the counter reaches predetermined frequency, the siren sends alarm.

The utility model belongs to the technical field of compound machines, and discloses an acrylic double-sided tape printable coating compound machine, which comprises a rack, and a rolling assembly, a printing assembly and a winding roller which are sequentially arranged on the rack, the printing assembly comprises two installation frames fixed to the rack and a fixing frame fixedly installed between the two installation frames, and two printing heads arranged oppositely are arranged in the fixing frame in a sliding mode. And sliding rods penetrate through one sides of the two fixing plates in a sliding mode, rotating bases are fixedly installed at the bottom ends of the two sliding rods, springs are fixedly connected between the two rotating bases and the two fixing plates correspondingly, and a tensioning shaft is rotationally connected between the two rotating bases. According to the utility model, the rotating seat drives the tensioning shaft to always downwards abut against the double-sided tape through the elastic force of the spring, so that the double-sided tape is kept in a tightened state between the two second guide rollers, and the printing quality is further ensured.

This utility model discloses an adjustable positioning fixture and screen printing equipment, comprising: a base plate for detachable connection to a base; an adjusting block slidably connected to the base plate and detachably connected to the base plate via a first fastener; and a positioning block slidably connected to the side of the adjusting block opposite to the base plate and detachably connected to the adjusting block via a second fastener. The adjusting block is detachably connected to the base plate via the first fastener, and the positioning block is detachably connected to the adjusting block via the second fastener, thereby flexibly adjusting the position of the positioning block. The first and second fasteners ensure positioning accuracy, improve stability, and prevent the positioning block from shaking during operation. The base plate, adjusting block, and positioning block can all be independently disassembled and replaced, simplifying the operation process.

The utility model provides a kind of 3D printer nozzle quick connecting mechanism, it is related to 3D printer nozzle technical field, including extrusion head body and nozzle body.In the utility model, the positioning strip of nozzle body outer wall is aligned with the positioning groove of extrusion head body mounting hole inner wall, by sliding, nozzle body is inserted into mounting hole, realize quick positioning, at this time, the connecting block of annular plate on nozzle body is accurately aligned with the limiting hole of extrusion head body bottom, then, rotate handle, make it drive screw rod rotation, screw rod will drive sliding block connected with it by thread in the process of rotation in side frame and slide upwards, when sliding block moves up, by connecting column drive bottom bar, connecting shaft, top plate and ring and limiting plug rod synchronous rising, when limiting plug rod inserts into the limiting hole of connecting block and extrusion head body, the fixing of nozzle body and extrusion head body can be completed, whole installation process does not need tool, and operation is simple, and nozzle body installation time is greatly shortened.

The utility model discloses an adjustable high -speed automation label -sticking printing all -in -one, it includes base, support frame, conveying mechanism, printing module, label -sticking mechanism and adjusting assembly. Through the rotation adjusting pole drive adjustment cover removal, realize label -sticking mechanism height's accurate adjustment, adapt to different specifications product, linkage assembly ensures that label -sticking and printing action is in accord, reduces vibration error, the stopper and elastic piece combination design of conveying mechanism realizes flexible limit, avoids product damage, sucker and vacuum pump cooperation promotion label -sticking precision, heating sheet and temperature sensor ensure printing quality. The application can improve the adaptability, stability and operation convenience of equipment, be applicable to a variety of industrial scene.

An aqueous primer composition comprising: (i) a polymeric dispersion selected from an acrylic dispersion, a polyester urethane dispersion, or a blend thereof; and (ii) an aminated polymer, wherein the aminated polymer is a poly(ethylene imine), and wherein the poly(ethylene imine) is present in an amount of 0.5-25% (w / w).

This invention relates to the field of additive manufacturing technology, specifically to an optical expansion platform, additive manufacturing equipment, and manufacturing method thereof. The platform includes a drive system with multiple output ends, the movement directions of which include a first direction and / or a second direction, the first direction being perpendicular to the second direction. The multiple output ends are capable of synchronous and independent movement. Optical devices are configured as multiple optical path mechanisms, each disposed on one of the output ends of the drive system. The output ends of this application can move synchronously to achieve overall collaborative scanning of large areas of large-size parts, improving processing efficiency, and can also move independently to meet the specific or differentiated processing needs of parts in certain areas. This collectively overcomes the problems of poor quality in traditional large-format scanning and defects in splicing multiple small-format parts, achieving high-quality one-time forming of large-size parts.