48results about How to "Uniform removal" patented technology

The invention relates to the technical field of process adjustment, in particular to an automatic adjustment method and system for the drying process of traditional Chinese medicinal materials, and the method comprises the following steps: monitoring the moisture evaporation condition of the traditional Chinese medicinal materials in the drying process in real time through a weight sensor, calculating the moisture evaporation speed of the traditional Chinese medicinal materials; and analyzing the relationship between the moisture evaporation speed and the environmental condition, dynamically adjusting the temperature and humidity condition to match the moisture evaporation speed requirement, and generating dry environment basic data. According to the method, the moisture evaporation rate and temperature and humidity conditions are monitored in real time, the drying environment is dynamically adjusted, uniform removal of moisture is ensured, heat and humidity distribution analysis is combined, the temperature and humidity in the drying chamber can be accurately adjusted, uneven local drying is avoided, the moisture evaporation rate and temperature and humidity changes in the drying process are dynamically adjusted and optimized, and the drying efficiency is improved. And the risk of excessive drying or moisture residue is avoided, control parameters are adjusted according to the difference between water evaporation and the target drying process, and the drying effect stability is improved.

The invention provides a sulfamic acid continuous crystallization production device and process, the sulfamic acid continuous crystallization production device comprises a filter box and a production box, the production box is fixedly connected to the upper surface of the filter box through bolts, the top end of the production box is provided with a feeding pipe, the middle part of the interior of the production box is provided with a partition plate, and the middle part of the partition plate is provided with a conveying pipe; a discharging pipe, a production reaction module and a filtering and cleaning module are arranged between the production box and the filtering box. According to the sulfamic acid continuous crystallization production device and the sulfamic acid continuous crystallization production process, in the sulfamic acid continuous crystallization production process, when sulfamic acid crystals are filtered out from mother liquor through the filter cartridge, purified water is sprayed into the filter cartridge through the spray head; and the sulfamic acid crystals can be quickly and uniformly washed to remove impurities through the filter cartridge which continuously shakes in a reciprocating manner in the rotating process, so that the continuous crystallization production efficiency of the sulfamic acid can be effectively improved.

The invention discloses a laser processing method and device for a heterogeneous laminated component. The laser processing method comprises the following steps: determining a spiral line scanning track during laser scanning; a laser is controlled to output a laser beam, the laser beam is made to scan the upper surface of the heterogeneous laminated component from the center starting point of the spiral line along the spiral line scanning track, and the focus of the laser beam is controlled to move downwards every time scanning of a circle of spiral line is completed; in the laser scanning process, acoustic emission signals are acquired in real time through acoustic emission signal acquisition equipment, a time domain curve and / or a frequency distribution curve of the acoustic emission signals are / is generated, and whether a metal layer of the heterogeneous laminated component is exposed or not is determined according to the time domain curve and / or the frequency distribution curve; and when it is determined that the metal layer of the heterogeneous laminated component is exposed, the laser stops emitting light. According to the method, an equal-area variable-interval spiral scanning strategy is adopted, so that energy distribution of a machining area is effectively homogenized, laser energy distribution in the laser scanning process of each layer is balanced, meanwhile, when it is confirmed that the metal layer is exposed, the laser is controlled to stop light, and the metal layer can be exposed to the bottom of the blind hole in a large area while the laser energy distribution is balanced. And the exposed metal material is prevented from being removed by excessive processing and ablation.

The invention provides a false twisting and dividing device for superfine denier high-elastic polyester filament yarn, and belongs to the technical field of polyester yarn processing, the false twisting and dividing device comprises a false twister, the false twister is connected with a vertical rod, the upper end of the vertical rod is provided with a supporting plate and a bearing assembly, the inner side of the bearing assembly is provided with a yarn dividing frame, the false twisting and dividing device further comprises an adjusting assembly, and the adjusting assembly comprises a fixing plate and an adjusting plate; the baking assembly comprises a fixed cylinder; the removing assembly comprises a partition frame plate, a U-shaped frame and a rotating mechanism; the collecting assembly comprises a collecting frame, a mounting frame and a return pipe; the device has the beneficial effects that uniform removal of yarn burrs is completed through mutual cooperation of the baking assembly and the removal assembly, the smoothness of the surfaces of polyester yarns can be improved, the quality of false twisting processing is improved, the abrasion and end breakage rate of the yarns can be reduced, the production efficiency is improved, and the production cost is reduced. And internal stress generated by twisting can be eliminated by utilizing thermal motion of molecules, so that the twisting tension can be reduced.

The utility model discloses circuit board etching tin stripping equipment, which relates to the technical field of circuit board processing and comprises a mounting shell, connecting plates are fixedly connected to the left side and the right side of the top of the mounting shell, square holes are formed in the left side and the right side of the inner wall of the mounting shell, and the circuit board etching tin stripping equipment further comprises a spraying mechanism, the spraying mechanism comprises a connecting shell fixedly connected to the bottom of the connecting plate, the rear ends of the left side and the right side of the inner wall of the connecting shell sleeve and are fixedly connected to a fixing rod, the front ends of the left side and the right side of the inner wall of the connecting shell sleeve and are in threaded connection with threaded rods, and a first motor rotates and drives the threaded rods to rotate; the threaded rod drives the movable block to move on the outer wall of the fixed rod, the movable block drives the spray head, the water conveying pipe and the folding pipe to move, tin stripping water is conveyed into the spray head through the water conveying pipe to be sprayed, the first motor rotates forwards and backwards and drives the spray head to move left and right to evenly spray water, the time of the whole treatment process is shortened, and the working efficiency is improved.

The invention discloses a microscopic structure test method for metal filaments, thin strips or coatings, which is applied to the technical field of physical and chemical detection of materials. According to the method, an ion beam which is focused by an electromagnetic lens and accelerated by an electric field with specific intensity and has specific beam intensity is used for continuously scanning a test surface of a sample at specific scanning speed and scanning times, and the ion beam excites a secondary electronic signal while generating a stripping effect on atoms with nanoscale thickness on the surface layer of the test surface of the sample; according to the principle that a contrast image containing crystal orientation information is obtained by utilizing the characteristic that the stripping effect and the excitation intensity of a secondary electronic signal are influenced by different crystal face orientations of a polycrystalline metal material, the microstructure information of a sample test surface is further obtained. The microscopic structure information of metal filaments, thin strips and plating layers, which is not easy to obtain by a traditional metallographic corrosion method, can be intuitively, quickly and accurately obtained, the detection problem of microscopic structures such as bonding wires, connecting sheets and plating layers commonly used in the field of microelectronics is solved, and the blank of a test method is filled.

The invention discloses an arc grinding wheel dressing track planning method and system based on dressing tool wear compensation. The method comprises the steps that a contour equation is solved according to the outer contour of a target grinding wheel; the outline of the grinding wheel is divided into a plurality of layers in the solid direction of the grinding wheel, and every two adjacent layers form a group; shrinking the odd-layer grinding wheel contour equation towards the grinding wheel entity direction to set a linear value, and generating an odd-layer correction track and an even-layer finishing track; the odd-number-layer dressing track and the even-number-layer dressing track are combined to form a non-linear mixed and direction-alternating grinding wheel dressing track; and from the starting point of the dressing track, the dressing track is divided into a plurality of points in an equal-angle mode, the dressing tool moves in sequence along the track, and grinding wheel dressing is conducted till the contour precision and roundness of the grinding wheel meet the ultra-precision machining requirement. According to the invention, the outer contour material of the dressed wheel is uniformly removed, so that the contour precision of the dressed grinding wheel is improved.

The invention relates to a compressor shell burr removing device. The compressor shell burr removing device comprises a feeding assembly, a shell clamping assembly, a burr removing assembly and a discharging assembly which are sequentially arranged in the conveying direction. According to the burr removing device for the compressor shell, automation and continuity of the burr removing process of the compressor shell are achieved by integrating multiple links such as feeding, clamping, burr removing and discharging, and the production efficiency is remarkably improved; a follow-up rod is matched with a feeding mechanism of an inclined guide rail, so that scattered shells can be orderly conveyed to a clamping station, and the problems of low efficiency and unstable posture caused by a traditional manual feeding mode are effectively avoided; meanwhile, the adjustable clamping mechanism is adopted, compressor shells of different specifications and shapes can be effectively adapted, the universality of equipment is improved, the clamp does not need to be frequently replaced, and therefore the production preparation time is shortened, and the production cost and the maintenance cost are reduced.

The invention belongs to the technical field of abrasive jet polishing, and discloses a photo-rheological polishing liquid backflow type jet polishing device and a polishing method thereof.The photo-rheological polishing liquid backflow type jet polishing device comprises a platform system, a polishing system and a polishing liquid circulating system, the platform system comprises a machining platform, and the polishing system comprises a jet nozzle; the polishing solution circulating system comprises a backflow uniform illumination container, a jet flow uniform illumination container, a visible light source, an ultraviolet light source and a pipeline assembly. The problems that medium and large curved surface parts are low in polishing efficiency and high in cost are solved. According to the designed backflow type jet flow spray head, jet flow polishing is applied to a medium-large curved surface, the polishing solution is recycled, the polishing solution adopts a photorheological reversible mechanism, photosensitive colloid which is initially in a strip shape can be subjected to a photoisomerization reaction under irradiation of ultraviolet light to be in a flocculent shape, bound abrasive particles are in a clustered shape, and the polishing effect is achieved. And the polishing quality and efficiency are effectively improved.

The invention discloses a method for manufacturing a wafer based on a chemical corrosion method, and relates to the technical field of chips, in particular to the technical field of wafer manufacturing. According to the specific scheme, a wafer and a crystal ingot are separated through a corrosion method of an acid corrosion mixed solution, the separation process is milder, the fragment risk caused by ultrasonic vibration can be avoided, laser burning points can be evenly removed, meanwhile, the roughness of a separation face is reduced, the surface planarization is improved, and the surface quality is improved. And the processing time of the subsequent grinding procedure and the loss of the grinding wheel can be reduced. Besides, in the etching process of the acid corrosion mixed solution on the laser modified layer, part of hydrogen can be generated while the modified layer is dissolved, so that a mixed solution flowing channel is formed in the modified layer, the wettability of the mixed solution can be enhanced by adding the polyoxyethylene ether surfactant, flowing of the mixed solution is promoted, and the corrosion resistance of the laser modified layer is improved. And meanwhile, bubbles can be prevented from growing up to hinder contact between removed substances and mixed liquid, so that the ablation efficiency and uniformity of the laser ablation layer are improved.

The invention discloses a processing method for a copper-clad ceramic substrate, which relates to the technical field of copper-clad ceramic substrate processing, and comprises the following steps of: taking a pre-treated copper-clad ceramic substrate, introducing nitrogen, and carrying out layered progressive micropore processing on an exposed aluminum oxide ceramic substrate of the pre-treated copper-clad ceramic substrate through picosecond laser to form micropores; each micropore is divided into an inlet layer, a middle layer and an outlet layer from top to bottom; the layer number of the micropores, the thickness of each layer of the micropores and the pulse width are controlled, and a light spot and long-focal-depth lens is adopted; adjusting monopulse energy and frequency parameters of picosecond laser, and punching an inlet layer; adjusting monopulse energy and frequency parameters of picosecond laser, and punching the middle layer; and adjusting monopulse energy and frequency parameters of the picosecond laser, and punching the outlet layer to obtain the copper-clad ceramic substrate. In the middle layer, the monopulse energy is gradually increased, and it is ensured that the material is evenly removed; at the inlet layer and the outlet layer, energy is reduced, and cracks caused by stress generated instantly when the material is punctured are avoided.

The invention discloses a copper pipe coiling device for medical cabinet production, and particularly relates to the technical field of copper pipe coiling, the copper pipe coiling device comprises a supporting frame, an operation table is fixedly connected to the upper end of the supporting frame, baffles are fixedly connected to the upper end of the operation table in a bilateral symmetry mode, and coil adjusting assemblies are jointly arranged at the ends, close to each other, of the two baffles; a cleaning assembly is arranged on the front portion of the upper end of the operation table. According to the copper pipe coiling device for medical cabinet production, by arranging the adjusting mechanism and the fixing mechanism, corresponding adjustment can be carried out when the copper pipes with different diameters are used, the copper pipes are prevented from being too tight or too loose, uniform and flat coiling is guaranteed, the copper pipe coiling device can also adapt to copper pipes with different specifications or lengths, and the copper pipe coiling device is convenient to use. According to the copper pipe coiling device, the coiling space and the coiling efficiency are optimized, copper pipes are prevented from being deformed, extruded or dislocated in the coiling process, the production stability and the product quality are improved, and when copper pipes with different diameters are fixed, the coiling diameter can be adjusted according to the different diameters.

The utility model provides a pickling passivation device for metal surface treatment, which relates to the technical field of metal treatment and comprises a base, a pickling tank is fixedly mounted on the upper surface of the base, a plurality of vertical frames are fixedly mounted on two sides of the upper surface of the base, and a top plate is jointly and fixedly mounted at the upper ends of the vertical frames. An air cylinder is fixedly installed in the middle of the upper surface of the top plate, and the output end of the air cylinder penetrates through the top plate and is fixedly provided with a support. A worker starts the motor to enable the output shaft of the motor to drive the worm to rotate, the rotating worm is matched with the worm gear, the worm gear drives the rotating rod and the connecting rod to rotate, the connecting rod drives the hook to rotate, and therefore a workpiece can rotate in the pickling tank with the connecting rod as the reference. The workpiece rotates to enable all parts of the surface to be alternately exposed in acid liquor, dead angles are avoided, and it is guaranteed that an oxide layer or rust is evenly removed.

The invention relates to the technical field of electronic component processing, in particular to an electronic component pin forming device which comprises a forming unit which comprises a machine body, a cutting assembly and a polishing assembly, and the cutting assembly and the polishing assembly are arranged at the top of the machine body. The feeding unit comprises a conveying assembly arranged on the top of the machine body. The device has the beneficial effects that through cooperation of the forming unit and the feeding unit, pin forming and grinding integrated machining is achieved, bending forming and fixed-length cutting are completed at the same time through one-time punching by means of cooperation of a waste discharge notch formed in a female die and a male die cutter, positioning errors and efficiency losses caused by step-by-step machining are avoided, meanwhile, a first air bag is arranged on the inner wall of a grinding frame, and machining efficiency is improved. The air bag pressing block on the back face of the adsorption assembly synchronously extrudes the second air bag, the friction piece is driven to be attached to the pin in a self-adaptive mode, the polishing pressure can be automatically adjusted without a motor, the structure is simplified, energy consumption and cost are reduced, multi-face synchronous polishing can be achieved, and it is ensured that burrs are evenly removed.

The utility model discloses a strawberry cleaning and conveying integrated structure. The strawberry cleaning and conveying integrated structure comprises a feeding mechanism, a conveying mechanism arranged at the discharging end of the feeding mechanism, a picking mechanism erected above the conveying mechanism, a cleaning mechanism arranged at the discharging end of the picking mechanism, a circulating system arranged below the cleaning mechanism and a conveying mechanism arranged below the feeding mechanism and the conveying mechanism. The picking mechanism, the cleaning mechanism and the circulating system are electrically connected with the controller; according to the strawberry cleaning and conveying integrated structure, automatic conveying, automatic recognizing and grabbing, automatic strawberry pedicle removing, automatic cleaning and automatic sorting are facilitated, and strawberries are evenly separated, lifted, conveyed, grabbed, pedicle removing, cleaning and sorting are achieved through the system. The whole process adopts a plurality of operation processes such as visual guidance, intelligent identification, automatic pedicle removal, automatic cleaning and automatic sorting, and solves a plurality of quality problems in the strawberry processing and production process.

The invention provides a method for cleaning nanoscale silver powder, which comprises the following steps of: adding a water repellent agent to carry out surface hydrophobization on the silver powder, filtering the silver powder by adopting microporous membrane equipment, reversely blowing the microporous membrane equipment by adopting compressed air and ethanol to reduce the escape amount of the silver powder, adding ethanol to carry out slurrying on the silver powder, and washing the surface of the silver powder by using a high-speed shearing machine. The surface free energy of silver powder agglomeration is broken through, finally, the silver powder is conveyed into the airflow drying machine in a self-flowing mode to be dried, automatic cleaning and drying of the silver powder are achieved, and the problems that an existing silver powder cleaning method is low in cleaning efficiency, high in silver powder escape amount and short in equipment filtering service life are solved.

The utility model relates to the technical field of automobile skylight guide rails, in particular to high-precision metal cutting equipment which is used for cutting the automobile skylight guide rails and comprises a main machine body, a clamping device is arranged in the center of the main machine body, and a cutting device capable of cutting the automobile skylight guide rails is arranged on the back of the clamping device. The clamping device comprises at least two clamping assemblies capable of synchronously getting close to or getting away from each other, the cutting device comprises a cutting assembly capable of moving up and down, the cutting assembly comprises a cutting piece and a polishing piece, and the cutting assembly further comprises a switching device for switching the positions of the cutting piece and the polishing piece. According to the automobile skylight guide rail burr removing device, the cutting piece and the polishing piece are arranged, and the positions of the cutting piece and the polishing piece are switched through the switching device, so that burrs of a notch can be removed after an automobile skylight guide rail is cut.

The invention discloses a high-precision environment-friendly grinding device for plywood slotted hole inner surface machining, and relates to the technical field of slotted hole grinding equipment, the high-precision environment-friendly grinding device comprises a grinding box body, the top of the grinding box body is fixedly connected with a three-dimensional linear adjusting mechanism, and the vertical moving end of the three-dimensional linear adjusting mechanism is fixedly connected with a grinding direction adjusting mechanism; the bottom of the grinding direction adjusting mechanism is fixedly connected with a grinding mechanism. According to the device, an electric push rod is extended to push a third connecting plate and a contact plate installed on the side face of the third connecting plate to move, under the pushing action of the contact plate, a certain pressure is generated between an abrasive belt body and the surface of the slotted hole, then a grinding motor is started to drive an abrasive belt wheel and the abrasive belt body to rotate, and the surface of the slotted hole is ground through the abrasive belt body; the abrasive belt body is attached to the inner wall of the slotted hole in a plane shape through the contact plate, then the grinding mechanism is driven by the three-dimensional linear adjusting mechanism to move along the slotted hole, and the interior of the slotted hole is quickly and stably ground through the abrasive belt body.

The invention relates to a method for removing burrs of a compressor shell, which realizes automation and continuity of the burr removal process of the compressor shell by integrating a plurality of steps of feeding, clamping, burr removal, discharging and the like, remarkably improves the production efficiency and reduces manual intervention. According to the method, the feeding step that a follow-up rod is matched with an inclined guide rail is adopted, scattered compressor shells can be conveyed to a clamping station in order, and the problems that traditional manual feeding is low in efficiency and unstable in posture are effectively solved; the adjustable clamping mechanism can flexibly adapt to compressor shells with different specifications and shapes, so that the universality of equipment is improved, and the production preparation time and cost caused by frequent replacement of clamps are reduced; according to the burr removing step of the rotatable gauze wire wheel, burrs at the knife edge part of the compressor shell can be efficiently and uniformly removed, the problems of excessive grinding, insufficient grinding or secondary burrs and the like caused by a traditional mode are solved, and the machining precision and the surface quality are remarkably improved.

The application relates to the technical field of precision machining, and provides a fixed-inclination annular circular-arc grinding wheel grinding spherical surface and a compensation method, which comprises the following steps: arranging a cylindrical workpiece to be machined on a rotary table to make the cylindrical workpiece rotate around the axis of the cylindrical workpiece, arranging an annular circular-arc grinding wheel on a main shaft of a machine tool, and arranging the axis of the main shaft and the axis of the cylindrical workpiece to be at an angle; wherein the motion track of the main shaft is controlled to make the machining surface of the annular circular-arc grinding wheel contact the end surface of the cylindrical workpiece, so that the end surface of the cylindrical workpiece is ground into a spherical surface; after one grinding process is completed, the spherical workpiece machined is detected in terms of surface shape precision, the position deviation of the annular circular-arc grinding wheel is determined according to the detected surface shape error; the motion track of the main shaft is compensated and corrected according to the position deviation, and the next grinding process is carried out. In this way, the forces of all contact positions in the machining process are uniform, the workpiece material is uniformly removed, and then the machining consistency and stability are improved, and the precision and tool durability are improved.

The invention belongs to the technical field of intelligent grinding and polishing control, and particularly discloses a layered grinding and polishing process method and system for repairing the damaged surface of an aircraft radome. Comprising the following steps: determining repair boundaries and thickness changes of coatings with different functions in a damaged area of the aircraft radome; a layered grinding and polishing track is planned, and initial process parameters are set for each coating; layered grinding and polishing operation is executed, mechanical parameters, surface parameters and energy parameters are collected in real time in the grinding and polishing process, and an improved layered grinding and polishing contact force model is constructed to conduct local compensation control on grinding and polishing contact force; evaluating the surface quality, the repair integrity and the interlayer consistency of the current grinding and polishing layer in real time; and constructing a multi-target quality evaluation and process parameter collaborative optimization mechanism, and dynamically adjusting subsequent grinding and polishing process parameters according to the deviation between a real-time evaluation result and a preset quality target. According to the method, the material removal accuracy is remarkably improved, the problem of excessive grinding or non-uniform removal is avoided, and it is ensured that the quality of the repaired coating meets the standard.

This utility model discloses a wrinkle-removing device for underwear production, belonging to the field of underwear production technology. It includes a worktable, a connecting plate, a top plate, and a steam scraper. A reciprocating component is arranged between the connecting plate and the top plate, and a smoothing component is arranged above the worktable. The reciprocating component includes a motor, which is fixedly connected to the connecting plate. In this utility model, by adding a reciprocating component to the underwear wrinkle-removing device, a smooth reciprocating wrinkle-removing motion is achieved, eliminating the need for multiple repetitive operations to remove wrinkles from the underwear. This improves the overall efficiency of the production line, comprehensively and evenly removing wrinkles and preventing uneven areas from remaining on the underwear surface, thus ensuring the product's appearance quality. Furthermore, by adding a smoothing component to the underwear wrinkle-removing device, the angle of the steam scraper can be easily adjusted, ensuring even steam distribution on the underwear surface and preventing excessive or insufficient steam in certain areas, thereby guaranteeing the wrinkle-removing effect.

The invention relates to the technical field of water pump impeller wear measurement, in particular to a metal mine water pump impeller wear measurement device and method, and the device comprises an equipment seat, the equipment seat is provided with surface roughness measurement equipment, the equipment seat is internally provided with a placement seat in a sliding fit manner, and the water pump impeller is placed on the placement seat. A fixing frame is fixedly arranged in the equipment base in a connected mode, a coating treatment mechanism is arranged on the fixing frame in a sliding fit mode, a transmission mechanism is rotatably arranged in the equipment base in a connected mode, and solvent treatment bases are fixedly arranged on the inner wall and the outer wall of the equipment base in a connected mode. The coating on the surface of the water pump impeller is softened, so that the coating on the surface of the water pump impeller can be removed by utilizing the brush plate which moves back and forth, an exposed metal surface can be ensured to be measured, the measured data are more representative, and the error influence of the coating is avoided.

This invention relates to the field of precision machining technology for semiconductor materials, and in particular to a chemical mechanical polishing (CMP) slurry, its preparation method, and its application. The CMP slurry comprises the following components by mass percentage: 6-12% composite abrasive, 3-7% composite oxidant, 2-5% complexing agent, 0.5-2% phosphine detoxifier, 0.3-1.5% dispersant stabilizer, 0.1-1% pH adjuster, and water as the balance. The composite abrasive is a composite material of alumina and silicon dioxide. The composite oxidant includes sodium hypochlorite solution and hydrogen peroxide solution. This invention, through the rational proportioning and synergistic effect of the composite abrasive, composite oxidant, complexing agent, phosphine detoxifier, dispersant stabilizer, and pH adjuster, is not only suitable for single substrates but also compatible with the CMP polishing of three typical third-generation semiconductor materials: indium phosphide, gallium arsenide, and germanium. It exhibits good versatility and process adaptability, helping to reduce production costs and process changeover complexity.

The invention discloses a deburring device for processing brake discs of new energy vehicles, and relates to the technical field of brake disc processing. The device comprises a base, a mounting disc is installed on the base, a rotating mechanism for rotating the brake disc is installed on the mounting disc, a grinding mechanism for double-sided grinding of the brake disc is arranged on one side of the rotating mechanism, and a transmission mechanism for driving the grinding mechanism to move is arranged on the mounting disc. The invention realizes that when grinding the ceramic carbon brake disc, the grinding and deburring process is carried out in a closed environment by closing the protective cover through the arrangement of a protective cover, an argon gas bottle, a water tank, etc., so as to prevent grinding chips from splashing, thereby improving the safety of the equipment. At the same time, the ceramic carbon brake disc is isolated from air during the grinding process through the circulating argon gas protective atmosphere, so as to prevent the ceramic carbon brake disc from being oxidized during the grinding process. Moreover, the filtering and cooling of the water tank can reduce the grinding temperature when the argon gas is continuously introduced, so as to further prevent the oxidation of the ceramic carbon brake disc.

This invention belongs to the field of edible fungus drying technology, and relates to a method for improving and drying *Auricularia auricula-judae* (golden ear fungus). The method includes the following steps: 1) Cleaning: removing the matrix attachment end and impurities from the fresh *Auricularia auricula-judae* fruiting body; 2) Slicing: slicing the fresh *Auricularia auricula-judae* fruiting body into thin slices with a thickness of 6-9 mm; 3) Heat pump far-infrared combined drying: drying the *Auricularia auricula-judae* slices using a heat pump far-infrared combined drying equipment; the drying temperature is 45-65 ℃, the humidity is 8-12%, and the infrared power is 800-1000 W. This invention, by controlling the process parameters of the heat pump far-infrared combined drying process, utilizes the synergistic effect of the heat pump and far-infrared radiation system to rapidly and efficiently prepare dried *Auricularia auricula-judae* slices with high total phenolic, total flavonoid, and total polysaccharide content. Furthermore, this dried *Auricularia auricula-judae* product has good color and low hardness, making it suitable for subsequent processing and development of functional products.

The application relates to the technical field of steel pipe grinding, and discloses automatic rotary polishing equipment for high-precision stainless steel pipe surface treatment, which comprises a polisher main body and a clamping mechanism arranged on the top of the polisher main body. The clamping mechanism comprises a supporting plate arranged on the top of the polisher main body, a circular groove arranged on the top of the supporting plate, a rotating drum arranged on one side of the supporting plate close to the circular groove, one side of the rotating drum close to the supporting plate being rotationally connected with the circular groove, an annular groove arranged on one side of the rotating drum close to the circular groove, a driving ring arranged in the annular groove, a worm arranged on the rotating drum close to the driving ring, three annular arrayed special-shaped holes arranged on one side of the rotating drum away from the circular groove, a sleeve arranged on the inner wall of one side of the special-shaped hole away from the circular groove, and a driving groove arranged on the inner wall of the sleeve. The clamping mechanism can meet the clamping requirements of the inner wall and the outer wall of the stainless steel pipe, and the contact points between the clamping mechanism and the stainless steel pipe are increased to enhance the clamping stability.

The present invention belongs to the technical field of air source heat pumps, and specifically is a defrosting device for an air source heat pump unit, including a base, a plurality of supporting legs are fixedly connected to the lower end surface of the base, a slider is slidably connected to the upper end of the base through a slide groove, a frame is fixedly connected to one side of the slider, a slide bar three is fixedly connected to one side of the upper end of the frame, and an adjustable centralized discharge type collection mechanism for collecting water after frost melts is provided on the base. The present invention realizes the use of an adjustable centralized discharge type collection mechanism, which can make collection box one and collection box two fit with the four sides of the unit. When the frost on the surface of the heat exchanger melts into water and flows downward, it will flow into collection box one and collection box two, thereby realizing the collection of water flow, avoiding the situation where the metal parts at the bottom of the unit are rusted or corroded due to water flowing to the bottom of the unit and accumulating at the bottom of the unit, thereby affecting the overall structure and durability of the unit.

The utility model discloses a slide easy to clean and maintain, which comprises a ladder stand section, a high platform and a slide section which are connected in sequence, a cleaning device is arranged on the slide section, the cleaning device comprises a spray head, an electromagnetic switching valve and a water tank, a spray hole is arranged on the side wall of the slide section, the spray head is fixedly arranged in the spray hole, a collecting groove is arranged at the tail end of the slide section, and the collecting groove is communicated with the water tank. A water tank is fixedly installed in the collecting tank, a water inlet communicated with the collecting tank is formed in the top of the water tank, a sewage draining exit and a backflow port are formed in the top of the water tank, the backflow port is connected with a backflow pump, the backflow pump is connected with a backflow pipeline, two input ports and an output port are formed in the electromagnetic switching valve, and the two input ports are connected with the backflow pipeline and a tap water pipeline respectively. The output port is connected with a nozzle through a spraying pipe. The slide is provided with a set of cleaning device, so that the cleaning work of the slide becomes simpler, more convenient and quicker. And the spraying holes are formed, so that the cleaning liquid can be uniformly sprayed on the slide section, dirt and bacteria are effectively removed, and the health and safety of a user are guaranteed.

The utility model relates to the technical field of drying for graphite processing, and discloses a drying device for graphite processing, which comprises a workbench, a hydraulic rod is fixedly connected to the right side of the top end of the workbench, a connecting block is rotatably connected to the driving end of the hydraulic rod, and a drying bin is rotatably connected to the left side of the top end of the workbench. A first motor is connected to the right end of the drying bin through a stirring assembly, a discharging pipe is fixedly connected to the bottom side of the outer wall of the left end of the drying bin and penetrates through the drying bin, a fan is installed on the top side of the outer wall of the left end of the drying bin, a second motor is connected to the top end of the outer wall of the drying bin through a screening assembly, and a controller is installed at the front end of the outer wall of the drying bin. A plurality of heating wires are installed on the inner wall of the drying bin. According to the graphite drying device, materials are evenly heated, the material drying efficiency is improved, the device can more evenly remove moisture in graphite, the device can conveniently screen the materials, and large particles or impurities are removed through screening.