13results about How to "Avoid chromatic aberration" patented technology

The application relates to the technical field of cloth printing and dyeing, and particularly relates to a dye recovery type industrial textile cloth printing and dyeing device. The device comprises a printing and dyeing shell, a fixed frame fixedly connected in the printing and dyeing shell, a sliding frame slidingly connected to the fixed frame, a fixed rod fixedly connected to one side of the sliding frame, two limiting blocks slidingly connected to one side of the fixed frame, a sliding rod slidingly connected to one side of the fixed frame, two guide rollers rotatably connected to one side of the fixed frame and one side of the sliding frame, two sliding blocks slidingly connected to the fixed frame and the sliding frame, and extrusion rollers rotatably connected between the two sliding blocks on the same side. The two extrusion rollers reciprocally move to reciprocally extrude the cloth, remove the tiny bubbles in the cloth, make the dyeing liquid completely immerse in the cloth, prevent the dyed cloth from having color difference or spots, and ensure the appearance quality of the final dyed cloth.

This invention relates to the field of medical image processing technology, and proposes an intelligent method for color calibration of dental photographs and an automatic color selection system for prostheses. The method includes: receiving an oral image containing a shade guide and teeth; identifying the shade guide and target teeth in the oral image; obtaining the distorted color value of the shade guide; constructing a color difference conversion model based on the distorted color value and pre-stored standard color values ​​of the shade guide; and performing color correction on the target teeth in the oral image based on the color difference conversion model to obtain a corrected image. This invention solves the problem of tooth color distortion in oral images.

The utility model relates to the technical field of injection molding cooling devices, in particular to a mold double-layer cooling device capable of eliminating injection molding defects, which is technically characterized by comprising a fixed part and two groups of cooling structures positioned on the fixed part, the two groups of cooling structures are respectively an upper-layer cooling circulation loop and a lower-layer cooling circulation loop, the upper-layer cooling circulation loop comprises an F groove, the F groove is a semicircular ring and is positioned in the middle position of the fixed part in the height direction, and the two ends of the annular groove are respectively used for feeding and discharging cooling water; the lower-layer cooling circulation loop comprises a groove B, the groove B is located at the bottom of the fixing part and surrounds the fixing part, and the two ends of the groove B are not communicated and are used for cooling water to enter and exit respectively. The design of double-layer cooling water ways is adopted, the cooling water ways are independent, the temperature difference between an inlet and an outlet is small, and the cooling area and efficiency are greatly improved.

The utility model discloses a polishing device for wear-resistant flat glaze ceramic tiles, which relates to the technical field of ceramic tile polishing, and comprises a polishing structure, a fixed plate and a rotating shaft rotationally arranged in the fixed plate, the dust collection structure comprises a sealing piece movably connected to the surface of the rotating shaft, a dust collection assembly fixed to the sealing piece, and an auxiliary assembly fixed to the surface of the rotating shaft and located in the sealing piece; the sealing piece comprises a left sealing shell rotating on the surface of the rotating shaft and a right sealing shell rotating on the surface of the rotating shaft. According to the utility model, the dust absorption amount is increased through the dust absorption taper holes, the dust amount in the air around the working environment is reduced, and the dust attached to the surface of the ceramic tile can be reduced, so that the surface quality of the polished ceramic tile is improved, the suspension amount of the dust in the working environment is reduced, and the threat of the dust to the health of operators is reduced.

The invention relates to an integrated coating method and system, a composite workpiece and an automobile, a dual-curing coating system is adopted and matched with a light curing process, so that structural parts with different heat resistance can be collinearly sprayed and cured, part color difference caused by independent processing and heat treatment environment difference is effectively avoided, the process period can be greatly shortened, and the production efficiency is improved. The occupied area and the investment cost of a production line are saved, the energy consumption level and the greenhouse gas emission are remarkably reduced, a photocured workpiece can be subjected to a non-illumination-driven secondary cross-linking reaction after being separated from an irradiation environment, and a finally formed paint film has excellent overall hardness and scratch resistance; the paint is especially suitable for links of finished automobile manufacturing, aftermarket paint surface repairing and the like, and can effectively guarantee and prolong the appearance quality of the automobile used in a daily complex environment.

The utility model relates to the technical field of suspended ceilings, and discloses a mounting structure of a stainless steel suspended ceiling, which comprises a top wall, a side wall connected with the side of the top wall and a suspended ceiling mounted on the top wall, and a hanging mounting mechanism used for mounting the suspended ceiling is arranged on the bottom end surface of the top wall; the hanging installation structure comprises a plurality of layers of hanging rod sets which are distributed up and down and are arranged on the two opposite side walls close to the top wall, each layer is provided with a plurality of parallel hanging rod sets, each hanging rod set comprises two parallel connecting rods, a plurality of hanging rods distributed at equal intervals are arranged between the two connecting rods, and the hanging rods are connected with the hanging rod sets. Wherein a hanging plate is hung on two adjacent hanging rods, a locking bolt is arranged on the hanging plate, and the bottom end part of the hanging plate is connected with a suspended ceiling; according to the suspended ceiling installation structure, the height can be adjusted according to the use condition, so that the height of a suspended ceiling can be adjusted, the applicability of the suspended ceiling installation structure is improved, and the stability after installation is high.

This utility model discloses a material filtering device for an injection molding machine, including a filter cylinder. The filter cylinder has multiple inclined filter screens arranged from top to bottom inside. The filter cylinder has a standard material outlet that connects to the bottom of the lowest filter screen, and the standard material outlet is connected to a vertically downward feeding pipe. The bottom of the filter cylinder has a suction pipe, and the top of the filter cylinder has a strip-shaped feed inlet. Ionizing air bars are installed on both sides of the feed inlet in the upper part of the inner cavity of the filter cylinder. The suction pipe is connected to an external negative pressure fan. This utility model uses ionizing air bars to generate ions to eliminate static electricity in the plastic particles, thus preventing fine particles and dust from adhering to the plastic particles and mixing into the injection molding machine. The negative pressure adsorption also removes dust and debris generated during the collision of the plastic shell, preventing fine particles from causing uneven melt flow or surface pitting.

The application discloses a notebook shell identification stamping forming device and belongs to the technical field of notebook shell production and processing. The device comprises an upper die assembly, a lower die assembly, a first identification assembly, a second identification assembly and a rib member. The first identification assembly is arranged on the upper die assembly. The second identification assembly is arranged on the lower die assembly. The first identification assembly comprises one or more first identification blocks. The rib member is provided with one or more. The second identification assembly comprises one or more second identification blocks. One end of the first identification block protrudes from one side of the upper die assembly and the lower die assembly. The rib member is arranged on one side of the second identification assembly facing the upper die assembly, and the rib member is arranged in a circumferential direction along the edge of the second identification block and the first identification block. The rib member protrudes in the direction of the upper die assembly. The above technical scheme has the advantages of high processing efficiency and avoidance of the formation of an R corner at the top edge of the identification area on the shell.

The present application relates to the technical field of laser processing, and discloses a laser processing machine and a laser processing method for diamond composite plane teeth, wherein the laser processing method reduces the possibility of processing path overlap through the cooperative work of a scanning galvanometer module and a machine tool mechanical shaft, and avoids the chromatic aberration problem caused thereby. The scanning galvanometer module is used to control the position of the laser focal point, so that the laser cutting path can be more accurately controlled, thereby improving the processing precision, avoiding the problems caused by low mechanical shaft feeding precision in the traditional single-point processing mode, reducing the risk of excessive cutting filling, and ensuring the cutting quality within the processing boundary. The laser processing machine of the present application processes diamond composite plane teeth by using the above-mentioned laser processing method, so that the processing boundary is clear, and the problems of excessive cutting filling and chromatic aberration are avoided.

This invention relates to the field of environmentally friendly dragon dance yarn preparation technology, specifically a high-end intelligent control colored environmentally friendly dragon dance yarn false twist texturing machine. It includes a roller machine and a color-changing component uniformly distributed at the roller machine's inlet end for color modification. The color-changing component includes a second ring tube uniformly distributed on one side of the roller machine and connected to it. A central ring tube is sealed on the side of the second ring tube away from the roller machine, and a first ring tube is installed at the other end of the central ring tube. Both the first and second ring tubes are sealed at the ends away from the central ring tube. The inner cavity of the first ring tube is provided with an outwardly extending feeding module, and the inner cavity of the central ring tube is provided with a dyeing module for color modification. The beneficial effect of this invention is that by integrating the color-changing component at the roller machine's inlet end, the heating and melting of the masterbatch, quantitative conveying, and uniform coloring are integrated into the same process of yarn texturing and texturing, significantly shortening the production process and avoiding the wastewater pollution problems caused by traditional liquid dyes.

The utility model discloses a high-resolution LCD display screen assembly, and relates to the technical field of LCD display screens. A high-resolution LCD display screen assembly comprises a display shell, a light-emitting assembly is arranged at the bottom end in the display shell, a display assembly is arranged at the right end of the light-emitting assembly, and a protection assembly is arranged on the right side of the display assembly. The display shell is fixedly connected with the light-emitting assembly, the light-emitting assembly is fixedly connected with the display assembly, and the display assembly is fixedly connected with the protection assembly. According to the utility model, the light intensity of the light-emitting part is enhanced through the light guide plate and the intensifying plate, so that the light which finally passes through the liquid crystal glass plate is still kept bright, the display brightness of the LCD display screen is improved, the precision of the color light-transmitting sheet is improved, and the external reflected light is weakened through the light-transmitting optical adhesive layer, so that the chromatic aberration caused by the external reflected light is avoided; therefore, the resolution of the LCD display screen is improved.

The invention relates to the technical field of intelligent manufacturing control, and discloses a color photovoltaic module lamination intelligent control method and system based on multi-parameter feedback, and the method comprises the steps: constructing a global objective function containing the curing degree and the color difference; monitoring the deformation acceleration of the coloring layer microstructure in real time by using a spectrum sensor, calculating an optical damage risk factor, dynamically adjusting the weight of a target function according to the optical damage risk factor, and calculating the optimal oscillation frequency in combination with a rheological shear thinning mechanism; and controlling an execution mechanism to apply micro-oscillation pressure waves with the optimal oscillation frequency, and performing quality judgment according to the accumulated cost of the whole process. By monitoring the microstructure deformation acceleration of the coloring layer, the problem of traditional temperature feedback lag is solved, meanwhile, the contradiction between bubble discharge and microstructure protection is solved by utilizing an adhesive film shear thinning mechanism, self-adaptive intelligent regulation and control in the laminating process are realized, optical chromatic aberration caused by excessive pressurization is avoided, and the product quality is improved. And the yield and the reliability of the assembly are improved.

The invention relates to the technical field of liquid crystal display, in particular to a liquid crystal composition and application thereof. The invention relates to a compound composition, which comprises one or more compounds represented by the following general formula I, one or more compounds represented by the following general formula II, one or more compounds represented by the following general formula III, and one or more compounds represented by the following general formula IV. The liquid crystal composition provided by the invention has very small reflection center wavelength change in a wider temperature range, and can overcome the temperature dependence of the existing bistable display, avoid chromatic aberration caused by temperature change, improve the display effect and broaden the application range of the liquid crystal composition.