9results about How to "Avoid spot" 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 provides a dual-cylinder fully automatic switching pressure-stabilizing melt filter, comprising a body with a first and second filter cylinder arranged horizontally on the left and right sides, each filter cylinder containing a filter cartridge; a melt inlet and a melt outlet are respectively located at the front and rear ends of the body, corresponding to automatic feed switching valves and automatic discharge switching valves, used to control the entry of melt into different filter cylinders and the discharge of filtered melt; both filter cylinders are connected to exhaust valves to discharge gas from the cylinders. This invention, by employing a dual-cylinder fully automatic switching pressure-stabilizing melt filter, enables filter replacement without stopping production, significantly improving production efficiency; the discharge of gas from the filter cylinders through the first and second exhaust valves ensures the normal operation of the corresponding filter cylinders before use and during switching, making it a crucial component for achieving stable filtration and smooth switching.

The utility model relates to lamp product technical field especially discloses a single light groove multidirectional light emitting type lamp shell, including the casing, the casing is equipped with the accommodating cavity for accommodating external lamp strip, the casing is equipped with the light through port being linked with accommodating cavity, the light through port penetrates the two groups of wall bodies of casing adjacent, the area of the light through port on the wall body is greater than or equal to the area of the wall body half, and the external lamp strip emits light rays to multiple directions via the light through port. The utility model discloses the light through port penetrates the two groups of wall bodies of casing adjacent, makes the light emitted by the lamp strip can pass through the light through port and emit to multiple directions simultaneously, realizes multidirectional light emitting through single light groove structure, improves the uniformity and stereoscopic sense of illumination, reduces the demand of multiple lamps and lanterns arrangement.

The utility model discloses a kind of constant temperature device of gravure press ink, it is related to printing technical field, including the cooling assembly for communicating ink groove and ink storage tank, cooling assembly is used to carry out cooling treatment to the ink conveyed between both;The cooling assembly includes the cylinder with built-in cooling pipeline, cooling pipeline is used to generate cooling environment atmosphere inside cylinder, cylinder is connected with ink groove, ink storage tank respectively, to make the ink by ink storage tank into cylinder is cooled and is discharged to ink groove with cooling.This utility model connects ink groove and ink storage tank by cooling assembly, realizes the active cooling treatment to ink, this design not only can replace original conveying pipeline to ink groove play the function of feeding, and it has the cooling function to ink, can effectively control ink temperature, prevent viscosity change or printing quality problem caused by ink overheating, to ensure the stability and consistency of printing process.

The utility model relates to a kind of quick deployment low-power intelligent luminous water gauge for water conservancy monitoring, including display unit, power supply unit and signal acquisition unit, its technical key points are: display unit includes rectangular water gauge shell, anti-UV acrylic transparent panel, UV printing layer, acrylic laser dotting light guide plate, ESR reflective film, LED lamp strip, power supply unit includes the control module of being built into the rear portion of rectangular water gauge shell, and the electric core and wireless charging receiving module connected with control module, signal acquisition unit includes the non-contact liquid level sensor connected with control module, light sensor and control master switch, the non-contact liquid level sensor includes the upper limit body and lower limit body on the upper and lower ends of rectangular water gauge shell rear portion, light sensor and control master switch are fixed on the top surface of rectangular water gauge shell.This water gauge has the advantages of being able to be installed quickly, self-powered, and clearly and intuitively displayed, and can meet the actual needs of flood prevention emergency monitoring.

The application discloses a COF modified blue dye, a lens coating, a lens and a preparation method and application thereof, and belongs to the technical field of resin lenses. The preparation method of the COF modified blue dye comprises the following steps: step one, preparation of COF powder; and step two, preparation method of the COF modified blue dye: 1 part by weight of the COF powder is dispersed in 5-10 parts by weight of a 5-8 wt% HCl aqueous solution to obtain a COF dispersion liquid; 1-3 parts by weight of a blue dye is dissolved in 10-30 parts by weight of DMSO, and a blue dye dispersion liquid is obtained after uniform mixing; the COF dispersion liquid and the blue dye dispersion liquid are uniformly mixed, and then a polydimethylsiloxane stabilizer is added; and after freeze-drying and crushing, the COF modified blue dye is obtained. The lens coating obtained by the application has the advantages of uniform dispersion of the blue dye, excellent reflection of blue light, clear vision without distortion, no problems of spots and flow marks, high yield and suitability for industrial mass production.

The utility model relates to a car lamp optical cable light-emitting module which comprises a lamp support, a plurality of optical fiber strips are arranged on the lamp support through an embedded structure, a fixing support is arranged on one side of the lamp support, optical fiber light sources are arranged at the two ends of the fixing support, and the optical fiber light sources are electrically connected with the optical fiber strips. The fixing support is further provided with a control circuit board capable of controlling the light emitting effect of the optical fiber light sources, optical fiber strips are embedded in the lamp support and electrically connected with the optical fiber light sources at the two ends of the fixing support, efficient transmission and even distribution of light are achieved, and the problems that a strip-shaped lamp can generate spots and output is uneven are solved.

The utility model provides a kind of touch module, electronic paper display module and electronic paper display screen, this electronic paper display module includes electrophoretic display module, the touch module being set on the electrophoretic display module display face top, light guide plate, front light illumination device, is equipped with TP electrode on the touch module in the electrophoretic display module display area peripheral position, the TP electrode top near front light illumination device side is covered with the shelter for covering this TP electrode.The front light illumination effect of the utility model touch module, electronic paper display module and display screen, will not be affected by touch module and produce light spot and ghosting.

The utility model discloses a kind of curtain wall decorative lamps, including lamp shell, light source board, lampshade and adjusting mounting seat, light source cavity inside lamp shell is equipped with asymmetric light-reflecting inclined plane A and light-reflecting inclined plane B, cooperate with the light mixing inclined plane in lampshade, light efficient mixing and uniform light emission are realized jointly, effectively eliminate glare and mottle, light source board adopts double-row lamp pearl of staggered arrangement, each lamp pearl is equipped with flexible convex cover, further eliminate stray light, lamp body bottom connects multiple groups of anti-falling rope, guarantee high-altitude safety, its core is adjusting mounting seat adopts worm gear drive mechanism, by rotating knob, stepless fine adjustment of the pitch angle of lamp body can be realized, and using its inherent self-locking characteristic, ensure that angle adjustment is long-term stable after, windproof and anti-vibration, solve the difficult problem that traditional curtain wall lamp adjustment is complicated, easy to deviate.