15results about How to "Reduce quality impact" patented technology

The utility model relates to the technical field of washing machines, and discloses a drying device for an embedded bathroom cabinet washing machine all-in-one machine, the drying device comprises an exhaust pipe and a collection box, the exhaust pipe is arranged between a cabinet and an outer cylinder; the air inlet end of the exhaust pipe is communicated with an outer barrel of the washing machine; the air outlet end part of the exhaust pipe is arranged outside the cabinet body; the position, close to the air outlet end, of the exhaust pipe is lower than the position, close to the air inlet end, of the exhaust pipe. The collecting box is communicated with the exhaust pipe. The drying device has the effect of reducing the possibility that the interior of the cabinet body is moistened by damp and hot gas exhausted by the drying device.

The present application belongs to the field of centrifugal pump, and particularly relates to a mounting method of a slurry pump, which comprises seven steps, i.e. firstly fixing a bearing body assembly to a bracket body and installing an adjusting screw, then fixing a pump body to the bracket body, then measuring the round run-out of an inner hole and an end face of the pump body and requiring to meet the requirements, then opening two positioning pin holes at a connecting part, then installing a sealing assembly, a secondary impeller and a rear backplate, then installing a primary impeller, then installing a sheath and a front backplate, then installing an inlet cone pipe outside a pump cover and connecting and fixing by fastening bolts, and finally adjusting the gap between the primary impeller and the front backplate, fastening the sealing assembly, fastening the primary impeller, and performing disc checking without friction; the present application correctly installs the slurry pump, improves the qualified rate of one-time trial, and thus improves the service life of the pump.

The utility model relates to a spraying device for automobile part surface treatment, which relates to the technical field of automobile part processing devices and comprises a base, a support frame and a fixing frame are arranged on the base, a driving motor is arranged on the support frame, an output end of the driving motor is connected with a rotating shaft, and a rotating frame is arranged on the rotating shaft. A plurality of containing grooves used for containing automobile parts are formed in the rotating frame, a support is arranged at the top of the fixing frame, a central axis is arranged on the support, the central axis inclines downwards by 45 degrees and penetrates through the central line of the rotating shaft, two protective covers which slide relatively and synchronously are symmetrically arranged on the support relative to the central axis, and a driving assembly used for driving the protective covers is arranged on the support. A spraying pipe is arranged on the protective cover, the output end of the spraying pipe is connected with a plurality of spray heads, and the spray heads are evenly distributed on the inner surface of the protective cover. The spraying device for automobile part surface treatment has the effect of reducing the influence on the air quality in the spraying process.

The application discloses a post-plating roll surface wet cleaning device of a hot galvanizing unit, which comprises a cleaning liquid supply pipeline, a moving track and a cleaning liquid spraying unit; the cleaning liquid supply pipeline is communicated with the cleaning liquid spraying unit; a ball valve, a pressure reducing valve, a filtering unit and an adjusting valve are sequentially arranged on the cleaning liquid supply pipeline along a medium flow direction; the moving track is provided with a plurality of moving tracks corresponding to the upper surface and the lower surface of the strip steel respectively and is laid along the length of the strip steel; the cleaning liquid spraying unit is provided with a plurality of cleaning liquid spraying units arranged on the corresponding moving tracks and moving along the moving tracks. The application further discloses a post-plating roll surface wet cleaning method of the hot galvanizing unit. The application solves the problems of high occurrence rate, large fluctuation and high safety risk of manual roll cleaning of the existing foreign matter pressing-in defect.

The technical scheme of the present application discloses a bright chromium-manganese alloy steel quenching oil and a preparation method thereof, the bright chromium-manganese alloy steel quenching oil comprises the following components in percentage by mass: base oil 85-93%, rapid cooling agent 2.5-7.5%, antioxidant 0.7-2.8%, dispersant 2.8-5.0%, and brightener 0.1-0.8%. The brightness of the bright chromium-manganese alloy steel quenching oil reaches the first level, and the brightener in the bright chromium-manganese alloy steel quenching oil can effectively prevent non-oil-soluble substances and carbon black and other substances in the quenching oil at high temperature from adhering to the surface of the workpiece, so that the chromium-manganese alloy steel workpiece has a high gloss, thereby eliminating the need for post-processing of the quenched chromium-manganese alloy steel workpiece, and further improving the production efficiency and reducing the production cost.

An anode fixture for micro-arc oxidation includes a rotating shaft and a workpiece fixing assembly. The rotating shaft comprises a first straight rod and a second straight rod. The rear end of the first straight rod is rotatably connected to the front end of the second straight rod via a pin. The front end of the first straight rod is connected to the positive terminal of the oxidation power source. The rear section of the second straight rod is an externally threaded section. The workpiece fixing assembly is mounted on the externally threaded section and includes a positioning nut, a ring spring support plate, and a fastening nut. The outer diameter of the ring spring support plate is smaller than the inner diameter of the workpiece fixing hole, while the outer diameters of the positioning nut and the fastening nut are larger than the inner diameter of the workpiece fixing hole. The positioning nut is sleeved on the upper part of the externally threaded section, and the ring spring support plate is sleeved on the externally threaded section and abuts against the positioning nut. The workpiece is sleeved outside the ring spring support plate and secured by tightening the fastening nut. This invention has a reasonable structure, is easy to operate, effectively improves the uniformity of the oxide film on the workpiece surface, protects the anode contact area of ​​the workpiece from ablation, and improves production efficiency.

The application provides a smelting method of molten steel with scrap steel in a separate ladle, which breaks through the limitation of the scrap steel adding amount in the traditional process through the operation of adding scrap steel in multiple batches in a main refining furnace and adding scrap steel in the main refining furnace and an auxiliary refining furnace after the separate ladle operation. The multiple batch operation of the main refining furnace and the arrangement of at least two furnace bodies provide more opportunities and space for the scrap steel adding; the separate ladle operation further increases the number of molten steel ladles, greatly increases the total amount of scrap steel, effectively improves the scrap steel utilization rate, and reduces the molten iron consumption.

The utility model discloses a target material heat treatment furnace capable of accurately measuring temperature on line, which comprises a furnace body, a temperature display instrument, a plurality of temperature measuring devices and a plurality of temperature measuring wires, the temperature measuring devices are respectively inserted into temperature measuring holes of a target material, the temperature display instrument is arranged outside the furnace body, and one side of the furnace body is provided with a threading hole communicated with a furnace cavity of the furnace body. One end of each temperature measuring line is connected with the temperature measuring device, the other end of each temperature measuring line penetrates through the threading hole to be connected with the temperature display instrument, fireproof heat insulation filler is filled between the threading hole and each temperature measuring line, and each temperature measuring device is provided with a sealing piece used for sealing the temperature measuring hole of the target material. A plurality of temperature measuring holes are formed in the target material, and the temperature measuring devices are respectively inserted into the temperature measuring holes, so that the actual temperature of the target material is directly detected, heat treatment process parameters can be accurately controlled, and the influence of a target material heating curve lagging behind the display temperature of a target material heat treatment furnace on the quality of the target material is reduced; the influence of different initial charging temperatures on the target material quality is reduced, and the target material grain uniformity is improved.

The application relates to the field of new packaging materials, and provides a composite film for fresh-keeping of green leaf vegetables and a preparation method thereof, main raw materials of the composite film including a base material, citric acid, glacial acetic acid and nicotinamide; the base material is a mixture of chitosan and polyvinyl alcohol; the preparation method is that chitosan and polyvinyl alcohol are dissolved and mixed, then a nicotinamide solution is added, stirring and ultrasonic treatment are conducted to uniformly distribute the components, and finally a flow casting process is adopted to form a film. The composite film can effectively delay oxidation and corruption of green leaf vegetables, and significantly prolong the shelf life of the green leaf vegetables. The composite film has good mechanical properties and flexibility, and is suitable for various fresh-keeping applications. The preparation process is simple, easy for large-scale production, the material is environment-friendly and biodegradable, and the composite film has a wide application prospect.

The utility model relates to the field of embossing, in particular to a dustproof high-precision embossing device which comprises a bearing mechanism and an embossing mechanism, the bearing mechanism comprises a base, the embossing mechanism and a dustproof mechanism are installed on the bearing mechanism, the embossing mechanism comprises a working box, and the dustproof mechanism comprises a dustproof cover, a suction fan and a blower. The conveyor is installed at the upper end of the base, the working box is installed at the edge of the upper end of the base, the hydraulic cylinder is installed on the inner wall of the working box, the output end of the hydraulic cylinder penetrates through the lower end of the working box and is fixedly connected with the embossing modules, and the embossing modules correspond to the upper ends of the conveyor in a one-to-one mode. According to the embossing mechanism, before the embossing module makes contact with the embossing material, the spring pushes the positioning frame to be attached to and press the embossing material, material deviation is avoided, the additionally-arranged dustproof mechanism can reduce dust entering the embossing mechanism through the dustproof cover, the air blower blows away the dust, the air blower is matched with the suction fan to adsorb the dust, and the influence of the dust on the embossing quality is reduced.

The utility model provides a multidirectional combined type dynamic seal assembly used in a permanent magnet semi-direct drive device, which comprises an inner gear shaft sleeve and an oil slinger, the lower end of the inner gear shaft sleeve is provided with a lower mounting hole, and the lower end of the inner gear shaft sleeve is sleeved on an output shaft of a motor through the lower mounting hole; an upper mounting hole is formed in the upper end of the inner gear shaft sleeve, an inner gear is arranged on the inner wall of the upper mounting hole, and the inner gear is meshed with a sun gear of the speed reducer; the oil slinger is arranged at the upper end of the inner gear shaft sleeve, the oil slinger and the inner gear shaft sleeve rotate synchronously, the bottom plate is located below the oil slinger, and an oil discharge hole is formed in the box body. Under the action of centrifugal force generated by rotation of the oil slinger, lubricating oil from the sun gear is thrown to the periphery, the framework oil seal is only used for blocking oil mist and a small amount of splashing lubricating oil, the service life of the framework oil seal is prolonged, the reliability of a sealing assembly is improved, and the overall maintenance cost of equipment is reduced.

The application discloses a screw tightening abnormality identification method and device, equipment and storage medium, and belongs to the field of abnormality detection. The method comprises the following steps: acquiring tightening data of a to-be-tested screw in a tightening process; removing abnormal data from the tightening data to determine to-be-tested data; performing feature extraction on the to-be-tested data to determine feature data; inputting the feature data into an abnormality identification model to obtain an identification result of the to-be-tested screw, wherein the identification result is used to represent whether the tightening process of the to-be-tested screw is abnormal, and the abnormality identification model is obtained based on feature data of a sample screw, a label result corresponding to the feature data of the sample screw and a category of the sample screw. The application can monitor the tightening process of the screw online through the abnormality identification model, so that the abnormality in the tightening process can be found in time, effective monitoring of the tightening process abnormality is realized, and the influence of the screw tightening on the quality of a battery is reduced.

This invention belongs to the field of towel manufacturing technology, specifically a finishing process for long-staple cotton towels, including yarn treatment, fabric weaving, and dyeing. In this invention, after the long-staple cotton is produced into yarn, the yarn undergoes a preliminary dyeing process. The purpose of this is to create a clear color difference between the knotted areas and the normal areas. During subsequent weaving, when visually inspecting the fabric, the significant color difference allows for more accurate identification of the knotted areas. This enables precise napping treatment of the knotted areas in subsequent processing, improving the quality of the napping process. This reduces the impact of the knotted area on the quality of the finished towel, and can even prevent the appearance of white spots, ensuring the quality and comfort of the towel.

The utility model discloses a spinning machine for machining lampshades, which belongs to the field of lampshade machining and comprises a workbench, a pushing mechanism arranged at the top of the workbench, a spinning mechanism arranged behind the pushing mechanism and comprising a mounting frame, a spinning wheel rotationally connected to one end, close to the pushing mechanism, of the mounting frame, and an auxiliary mechanism arranged on the mounting frame. The auxiliary mechanism comprises an oil pipe, a nozzle is fixedly connected to the end of the oil pipe and inclines towards the abutting position of the spinning wheel and the workpiece, a first support is fixedly connected to the top of the workbench, a second support is fixedly connected to the top of the mounting frame, and the oil pipe is fixedly connected between the first support and the second support and is a corrugated hose. The auxiliary mechanism comprises an oil supply assembly used for supplying oil into the oil pipe. The device has the beneficial effects that oil is intermittently supplied into the oil pipe through the oil supply assembly, so that lubricating oil is sprayed out towards the contact position of the spinning wheel and a workpiece through the nozzle for lubrication and cooling, and the influence of friction heat on the quality of a lampshade is reduced.

The present invention discloses a method for processing a workpiece using a selective laser melting device, including: placing workpieces to be processed distributed in an array on the bearing area of the bearing substrate; during the process of laser scanning the workpieces to be processed, purging the workpieces to be processed with a gas; the air flow direction of the gas is parallel to the bearing substrate, the included angle between the direction of the laser scanning path and the air flow direction of the gas is a first included angle, and the direction of the laser scanning path is adjustable. An included angle can be formed between the direction of the laser scanning path and the air flow direction of the gas, the direction of the laser scanning path can be adjusted, and during the process of laser scanning the workpieces to be processed, gas can be blown to the workpieces to be processed. By means of the gas, by-products such as spatter and metal vapor generated instantaneously when a tiny molten pool is formed can be carried away, so as to blow the by-products away from the workpieces to be processed, prevent the by-products from falling on the workpieces to be processed, reduce the influence of the by-products on the quality of the workpieces to be processed, and improve the processing quality.