10results about How to "Guaranteed to clear" patented technology

The utility model relates to the technical field of grinding devices, in particular to a wafer production grinding device which comprises a workbench, a first hydraulic cylinder is fixedly installed in the workbench, a lifting plate is fixedly installed at the output end of the first hydraulic cylinder, and a positioning rod is fixedly installed at the bottom end of the lifting plate. A first motor is fixedly mounted on the side face of the lifting plate, and a rotating rod is fixedly mounted at the output end of the first motor. According to the wafer polishing device, the first hydraulic cylinder drives the lifting plate to ascend and descend, the first motor drives the rotating rod to rotate, the clamping plate moves to place and fix a wafer, the second motor and the third motor drive the first lead screw and the second lead screw to rotate and drive the sliding block and the moving plate to move, and the fourth motor is started to enable the polishing piece to polish the wafer. And meanwhile, the first spring on the upper portion enables the wafer to be stressed more evenly, and the wafer is prevented from being broken.

The application discloses a range hood and a shutdown control method and device thereof, and is applied to the field of kitchen appliances. Smoke concentration data sets of an environment where the range hood is located are acquired. When a shutdown command for the range hood is acquired, current smoke diffusion degree information is determined according to the smoke concentration data sets. A delay shutdown program is set according to the current smoke diffusion degree information, and the range hood is controlled to be shut down based on the set delay shutdown program. The technical problem that the delay shutdown of the range hood has a poor smoke absorption effect is at least solved to a certain extent.

This utility model relates to the field of display screen technology and discloses a touch LED digital screen for an ice maker; it includes a transparent plate and a display screen, the display screen being disposed on one side of the transparent plate; a structural support layer is fixed to the inner wall of the transparent plate, and a buffer energy-absorbing layer is disposed on one side of the structural support layer. This utility model provides a stable frame by setting a structural support layer to prevent screen deformation, the buffer energy-absorbing layer absorbs external impact through elastic material to isolate equipment vibration, the foam adhesive layer ensures firm bonding of various components and also assists in buffering stress, the tempered glass layer resists external impact with high strength and high light transmittance to ensure clear display, and the hardened coating further enhances the surface hardness of the glass and has wear resistance and anti-fingerprint functions. The synergistic effect of each layer ensures stable operation of the screen in complex usage environments, extends its service life, and improves the user experience.

This utility model relates to the field of plastic bag production technology, and in particular to a forming device for producing biodegradable and environmentally friendly plastic bags. It includes a traction machine with extension arms fixed to both sides of its front end. Each extension arm is equipped with a cleaning mechanism for removing dust and debris adhering to the surface of the plastic bag during production. The cleaning mechanism includes an adjustment component with bearing seats fixed to the top and bottom ends of the extension arms. Support rods are rotatably mounted inside the bearing seats. Mounting frames are pivotally connected between the two mounting frames, with guide grooves at the front end of the mounting frames. A driving component is provided on the extension arms to drive the mounting frames. A parallelogram mechanism ensures horizontal movement of the suction component, enabling simultaneous cleaning on both sides, achieving efficient dust removal without affecting production. The passive rotating roller design simplifies the structure, and the porous, uniform adsorption avoids scratching the film, making it particularly suitable for the production needs of environmentally friendly bags.

The application relates to the technical field of cleaning equipment, in particular to a cloth machine cleaning head which comprises a base, a mounting frame arranged at the output end of the base, a cleaning brush which is detachably mounted on the mounting frame, a water box which is fixed at one side of the mounting frame and used for storing water and performing water exchange with the cleaning brush, a water outlet channel arranged in the base and used for providing a clean water source for the water box, a water suction channel arranged in the base and used for returning sewage of the water box, a power source assembly fixed in the base, an output end of the power source being matched with the back of the mounting frame and used for driving the cleaning brush to perform circumferential motion, and a tension adjusting assembly fixed in the base and used for adjusting the distance between the cleaning brush and the mounting frame.

The application relates to the technical field of gas filtration, in particular to a protective gas conveying device capable of removing metal slag, which comprises a pipeline, a fixing disc is arranged on the pipeline, a rotating disc is rotationally connected in the fixing disc, a filter screen is fixedly installed on the rotating disc, a circular groove is arranged on one side of the filter screen, a fixing column is fixedly connected to one side of the rotating disc, the fixing column penetrates through the fixing disc, the fixing column is rotationally connected with the fixing disc, and a circular convex is fixedly connected to one end of the fixing column; one end of the fixing column is rotationally connected with a limiting pipe, a straight sliding groove and a spiral sliding groove are arranged in the limiting pipe, the straight sliding groove and the spiral sliding groove are in communication with each other, and the circular convex is slidably connected with the straight sliding groove and the spiral sliding groove. In the process of using the device, the slag on the filter screen can be automatically brushed off, so that the gas conveying is not affected.

This utility model relates to the field of down fiber deodorization treatment technology, specifically disclosing a down fiber deodorization treatment device, including a device housing, a scraping component, a fiber discharge valve passing through the device housing and communicating with the inside of the device housing, and the scraping component located inside the device housing; a connecting component located between the scraping component and the main stirring shaft; the scraping component includes a scraper arm, one side of which has a roller groove, and a pressure roller shaft is arranged inside the roller groove. The two ends of the pressure roller shaft are respectively rotatably arranged at the upper and lower ends inside the roller groove through bearings. Several elastic pressure rollers are fixedly arranged on the outside of the pressure roller shaft, and one end of the elastic pressure rollers is movably abutting against the inner wall of the device housing. This down fiber deodorization treatment device, by setting a scraper arm structure linked with the main stirring shaft, drives the scraper arm to move along the inner wall while stirring the down fibers and cleaning liquid, automatically removing the adhering down and impurities, and avoiding the down fibers adhering to the inner wall of the device housing not being fully mixed with the deodorizer.

The application provides a wafer oxide removal process, and relates to the technical field of semiconductors.The wafer oxide removal process comprises the following steps: a removal step: etching and removing the oxide layer on the wafer surface by using an HF solution, wherein the volume ratio of HF to H2O in the HF solution is 1:50-1:100; and a treatment step: cleaning the wafer by using an SC1 solution, wherein the volume ratio of NH4OH to H2O2 to H2O in the SC1 solution is 1:1:5-1:2:45, and the temperature is 20-35 DEG C.In the process, the oxide layer is sequentially treated by the removal step and the treatment step, the concentration range of HF in the HF solution in the removal step is set to be relatively low, the treatment temperature range in the treatment step is set to be relatively low, and the concentration of H2O2 in the SC1 solution is greater than or equal to the concentration of NH4OH, so that the removal effect of the oxide layer is effectively improved, the quality of the wafer Si is ensured, the yield of subsequent processes is ensured, and the performance and reliability of the formed device are ensured.

The utility model relates to the technical field of curtain walls, in particular to a cultural research tourist route explanation curtain wall. The display device comprises a base, first fixing blocks, bolts and a display board, the first fixing blocks are fixed to the peripheral side of the base, the bolts are slidably connected to the inner sides of the first fixing blocks, the display board is fixed to the top of the base, and a cleaning structure is arranged on one side of the display board. According to the cultural research tourist route explanation curtain wall provided by the utility model, through the design of the moving mechanism, the adjusting mechanism and the rotating mechanism, the working efficiency of the device is improved, stains on the surface of curtain wall glass are often not uniformly distributed, partial areas are easy to omit in traditional one-way wiping, and during two-way rotation, the curtain wall is difficult to wipe. The outer diameter of the wiping point rotates clockwise, and the inner diameter of the wiping point rotates anticlockwise, so that the wiping range can cover the whole glass surface, cleaning dead angles such as the edge and the central area of the glass are prevented from being fully wiped, and stains at each corner of the glass can be cleaned.

The utility model discloses a sorting chute and sorting equipment, the sorting chute comprises a gliding inclined plate, a plurality of blocks are arranged on the gliding inclined plate, a sorting channel is formed between every two adjacent blocks, the gliding inclined plate is further provided with retentate removing devices corresponding to the sorting channels, and the retentate removing devices are arranged on the gliding inclined plate. And the retentate removing device removes the cargoes retained at the sorting channel out of the sorting channel through a removing arm rotating around a rotating shaft perpendicular to the gliding inclined plate. According to the utility model, the retentate removing device corresponding to each sorting channel is arranged, so that when retentate exists at one sorting channel, the retentate at the sorting channel can be removed through the retentate removing device, the difficulty of manual treatment is greatly reduced, and the working efficiency is improved. Even, the retentate can be automatically detected and automatically processed through a sensor, so that the manual processing process is omitted, and the automation degree of the sorting equipment is improved.