11results about How to "Smooth edges" patented technology

The utility model discloses a stainless steel pot trimming equipment, including machine table, rotation device, hold-down gear and cutting device, rotation device includes first frame, driving spindle, driven spindle and first drive mechanism, first frame is fixed connection on machine table, driving spindle is horizontally arranged and rotatablely connected on first frame, driven spindle is fixed on first drive mechanism. One end of the driving rotating shaft is fixedly connected with a first flange plate, the first driving mechanism is connected with the other end of the driving rotating shaft and can drive the driving rotating shaft to rotate, and the driven rotating shafts are used for sleeving stainless steel kettles and have different specifications; the first flange plate and the second flange plate are detachably and fixedly connected through bolts; the pressing device is used for pressing the stainless steel kettle onto the driven rotating shaft; the cutting device is used for cutting stainless steel kettles. The embodiment of the utility model can quickly adapt to the machining requirements of workpieces with different sizes.

The invention relates to the technical field of roll-dividing equipment, and particularly discloses a roll-dividing machine for an ultrathin narrow steel strip, which comprises a rack and further comprises an unwinding unit arranged on the rack, and the unwinding unit is used for unwinding the steel strip; the braking unit is used for making contact with the released steel belt and detecting whether the steel belt exists or not, and when it is detected that no steel belt exists, the unwinding unit is controlled to be braked; the burr scraping unit is used for scraping burrs on the two sides of the steel strip; the chip removing unit comprises a blowing pipe, and the blowing pipe is used for blowing air flow; the tension adjusting unit is used for adjusting the winding tension of the steel belt; and the rolling unit is used for rolling the steel belt. Burrs and chippings can be effectively removed, and it is guaranteed that the edge of the steel belt is smooth and the surface is clean.

The utility model relates to the field of paper handkerchief production equipment and technical field, in particular to super-mini paper handkerchief folding processing equipment which comprises a rack, and a transmission roller set and a folding machine body are installed on the surface of the rack at a time. Displacement during cutting is prevented; flattening mechanisms such as a flattening plate are matched with rubber strips to eliminate wrinkles, cutting deviation is effectively avoided, it is guaranteed that cut-off paper is consistent in size and smooth in edge, a stable path is formed by a conveying roller set and a conveying roller set to feed paper, a hydraulic rod drives a cutter to conduct efficient cutting, a second spring assists the flattening plate to reset rapidly, and all the mechanisms cooperate to shorten the procedure interval. The cutting knife connected through the bolt is easy to replace and meets the cutting requirements of different specifications, long-time shutdown is not needed, the cutting efficiency is improved, the labor cost is reduced, the pressing plate buffers to prevent paper from being crumpled and broken, the rubber strip is soft and scratch-proof, and the integrity and soft texture of the cut paper are guaranteed.

The invention discloses a method for manufacturing an orthodontic appliance, which comprises the following steps: 1) designing a finished invisible orthodontic accessory which is rectangular; 2) selecting one of the following three to design a corresponding invisible tooth socket according to the invisible correction accessory of the finished product in the step 1): 2.1) bonding various accessories on the teeth as required, scanning, designing an animation, confirming the animation, and processing the invisible tooth socket; 2.2) firstly scanning, then designing an animation, confirming the animation, firstly bonding an accessory on the tooth, scanning, and then matching the confirmed animation, so that the animation is the animation bonded with the accessory, and processing an invisible tooth socket; and 2.3) firstly scanning, then designing the animation, confirming the animation, placing the designed accessory into an accessory template to be adhered to the tooth because the shape of the accessory is fixed, and then re-scanning and matching the animation and processing the invisible tooth socket. The edge of the accessory designed by the manufacturing method is smooth enough, and the fitting degree of the accessory and the tooth socket is better.

The utility model provides a gift box L-shaped sealing and cutting machine structure capable of improving heat shrinkage uniformity, and belongs to the technical field of sealing and cutting machines, the gift box L-shaped sealing and cutting machine structure capable of improving heat shrinkage uniformity comprises a sealing and cutting base, a pressing cover frame, an adjusting baffle assembly, a heating wire assembly and a cutter assembly, the press-fit cover frame is located over the sealing and cutting base, the sealing and cutting base and the press-fit cover frame are correspondingly arranged in the vertical direction, the short edge of one side of the press-fit cover frame is connected with the corresponding short edge of the sealing and cutting base through a hinge structure, and a rotating shaft of the hinge structure is parallel to the straight line where the short edge of the sealing and cutting base is located. The adjusting baffle assembly is installed in the sealing and cutting base, the heating wire assembly is arranged around the adjusting baffle assembly, the cutter assembly is installed at the corresponding position of the sealing and cutting base and the pressing cover frame, and the problems that heating elements in a traditional sealing and cutting machine are unreasonable in layout and uneven in stress are solved.

This utility model relates to the field of glass size measurement technology and discloses an automatic glass edge grinding size detection device, including a support base, a support frame mounted on the top of the support base, a top cover fixedly mounted on the top of the support frame, a grinding device mounted on the top of the support base, a first grinding disc mounted on the bottom of the grinding device, and a second grinding disc mounted on the bottom of the grinding device. This automatic glass edge grinding size detection device, through a fixed rail and a limiting rail set on the outer wall of a fixed plate, can drive a drive gear under the action of a drive motor, thereby causing a moving seat to move along the outer wall of the limiting rail. This causes a trigger switch on the outer wall of the measuring plate to contact the edge of the glass plate, and then the distance between the moving seat and the fixed plate is measured under the action of a laser rangefinder, thus facilitating the measurement of the glass plate size and enabling better glass grinding.

The application provides an image tone mapping adjustment method, system, storage medium and terminal, comprising: determining first feature information of a high-bit-width image according to pixel values and image related information; dividing the high-bit-width image into multiple feature regions and performing image enhancement; performing preliminary tone mapping on the feature regions to obtain mapping gain of pixel points in each feature region; obtaining brightness information and detail information of each layer image in the feature regions, reconstructing second feature information based on the original resolution of the high-bit-width image according to the brightness information, image information and division relationship of the feature regions; compounding the mapping gain of each feature region according to a fusion weight to obtain a composite gain of each feature region; and processing the high-bit-width image according to the composite gain to obtain a low-bit-width output image. The application can map the high-bit-width image to the displayable brightness range of a display and improve image quality.

The application discloses a system and method for generating stable interference fringes by using a pure phase reflective liquid crystal spatial light modulator, and the system comprises a light source module, a laser collimation filtering and beam expanding module, a pure phase reflective liquid crystal spatial light modulator (SLM) control module and a CCD image acquisition module. The system can generate stable double-hole light spots by loading a gray-scale gradual phase grating on the SLM, replaces the method for generating double-hole light spots by using a photoetching mask in a traditional physical optical interference experiment, and can achieve the final result without the aid of other devices, and is simple and convenient to operate. In addition, compared with traditional interference systems such as a Talbot-Green system and a Mach-Zehnder system, the output interference fringes will not vibrate, and the calculation of the post-stripe movement amount is not affected, and the system has the characteristics of stable operation, flexible control and accurate calculation.

This application relates to the photovoltaic field. Embodiments of this application provide a back-contact battery, a back-contact tandem battery, and a photovoltaic module. The back-contact battery's grid includes a first grid and a second grid. The first grid is connected to an edge grid line, and the second grid is spaced apart from the edge grid line. The second grid includes at least a first sub-grid, a second sub-grid, and a third sub-grid. Along a second direction, the length of the second sub-grid is greater than the length of the first sub-grid and less than the length of the third sub-grid. The vertical distances L1 between the first sub-grid and the chamfered edge, L2 between the second sub-grid and the chamfered edge, and L3 between the third sub-grid and the second edge are all 0.8mm to 1.2mm. The chamfered edge can disperse stress in the edge region of the battery, improve the battery's mechanical strength, and reduce defect areas. The chamfered edge structure combined with the arrangement of the second grid improves the electrical reliability of the edge region of the back-contact battery, thereby enhancing the photoelectric conversion efficiency of the back-contact battery.

The application relates to the technical field of laser preparation, and discloses a DFB laser and a preparation method thereof, which comprises the following steps: soaking a first intermediate device in a liquid-phase treatment solution to form a passivation oxide layer on the surface of the first intermediate device, thereby obtaining a second intermediate device; depositing a support layer on the second intermediate device; etching the support layer and the passivation oxide layer in stages to define a region, so as to form a support unit on the mesa of the second intermediate device, thereby obtaining a third intermediate device; and the horizontal height of the support unit is higher than the preset horizontal height of an upper electrode. The DFB laser and the preparation method thereof can form a support unit for protecting the ridge waveguide structure on the mesa on both sides of the ridge waveguide structure, and can avoid introducing uneven defects on the sidewall of the ridge waveguide structure, thereby affecting the photoelectric performance of the laser.

The preparation method comprises the following steps: heating and stirring polyol, aliphatic isocyanate and an internal emulsification monomer in a nitrogen protection environment at a heating temperature of a first preset temperature to obtain a prepolymer, and when the content of isocyanate groups in the prepolymer reaches a preset content, adding the internal emulsification monomer into the prepolymer to obtain the waterborne polyurethane composite material. Cooling the prepolymer to a second preset temperature, wherein the first preset temperature is greater than the second preset temperature; adding organic amine into the cooled prepolymer, stirring to obtain a waterborne polyurethane emulsion, adding a cyclic carbonate monomer into the waterborne polyurethane emulsion, and stirring to obtain a mixed emulsion; stirring the ketiminated polyamine, the polyether amine and the functional filler at room temperature to obtain sol, mixing the mixed emulsion and the sol according to a preset molar ratio, and adding a functional aid to obtain the water-based poly-carbon composite material. The curing effect of the water-based poly-carbon composite material in a low-temperature and high-humidity environment is improved.