27results about How to "Avoid removal" patented technology

The invention discloses a device based on contour in-situ measurement fitting and an adaptive efficient grinding method, and belongs to the technical field of part machining. The device comprises a grinding wheel contour measuring system used for measuring and fitting the outer contour of a grinding wheel and an angle precision positioning system used for measuring the contour, the size and the profile position of a part. Firstly, a part is installed, in-situ measurement and fitting of the surface profile of the part are carried out, and the included angle between the axis and the machine tool spindle axis is calculated; secondly, a grinding wheel is installed, and dynamic balance is adjusted; then, carrying out in-situ measurement and fitting to obtain the contour of the working surface of the grinding wheel, and carrying out minimum removal amount shaping on the grinding wheel; and finally, after adaptive grinding is carried out, the surface profile of the machined part is measured in situ again, and whether the requirement is met or not is detected. By measuring the original outlines of the adaptive part and the grinding wheel in situ, the problems of large-volume removal of the part and long dressing time of the grinding wheel in the grinding process are solved.

The invention provides a support-free forming method for laser powder bed melting, and relates to the technical field of metal additive manufacturing, and the horizontal support-free forming method for laser powder bed melting comprises the following steps: S1, printing a first-layer support-free overhanging surface by using an out-of-focus laser beam, so that a first-layer metal powder is in a sintering state, and a first-layer sintering layer is formed; s2, printing a predetermined number of layers of support-free overhanging surfaces layer by layer by using an out-of-focus laser beam, melting each new printing layer, remelting the previous printing layer, and avoiding remelting to the lower surface of the first sintering layer; and S3, after printing of the support-free overhanging surface with the preset number of layers is completed, subsequent layer printing is conducted. The first sintering layer is printed by using the out-of-focus laser beam, so that a supporting foundation is provided for a subsequent overhanging structure, and the problem of collapse of the first layer is avoided. Fusion and combination of each new printing layer and the previous printing layer are controlled, remelting to the lower surface of the first layer is avoided, the upper surface and the lower surface which are not supported are smooth, and powder adhesion is avoided.

The invention belongs to the technical field of preparation of aluminum-based composite materials, and particularly relates to a preparation method of a reinforced aluminum-based composite material through vacuum reciprocating smelting assisted thin-strip cast rolling. Comprising the steps of aluminum matrix material preparation, ceramic / aluminum matrix composite powder vacuum ball milling, aluminum matrix and ceramic / aluminum matrix composite powder vacuum reciprocating smelting, thin strip cast rolling, cast strip primary treatment, cast strip heat treatment, hot rolling, cold rolling, performance optimization and the like. An aluminum alloy matrix bar with specific components is selected, ceramic particle / aluminum matrix composite powder with the mass fraction of 5%-25% is prepared through vacuum ball milling, it is ensured that aluminum powder is completely attached to the surfaces of ceramic particles, and good wetting of the particles and an aluminum matrix is achieved. And then thin strip cast rolling, heat treatment, hot rolling, cold rolling and other treatments are carried out. And finally, the ceramic / aluminum-based composite material with the ceramic particles uniformly distributed on the matrix is prepared, and the ceramic / aluminum-based composite material shows excellent tensile strength, elongation and wear resistance and has no grain boundary segregation phenomenon.

The utility model discloses a device with a flow guide wire bearing ring sheet and flow guide wires, which comprises a secondary air flow guide ring, the secondary air flow guide ring comprises a flow guide wire bearing ring sheet for bearing a plurality of flow guide wires and a plurality of flow guide wires, the flow guide wire bearing ring sheet is a sheet-shaped ring and has an inner diameter and an outer diameter, and the flow guide wires are arranged in the flow guide wire bearing ring sheet. And the flow guide wires are used for forming a secondary air flow channel. The utility model provides a simple, convenient, economical and feasible solution for simultaneously realizing high-recovery-rate collection and small-particle removal of powder products.

The utility model relates to the related technical field of food detection, and discloses a pulp sampler for food detection, which is characterized in that a placing cavity is arranged in a placing cylinder, a clamping device and a sampling device are arranged in the placing cavity in a sliding manner, the clamping device comprises a placing plate, a plurality of sliding grooves are formed in the upper surface of the placing plate in an annular array manner, and the sampling device is arranged in the placing cavity. Sliding blocks are slidably installed in the sliding grooves formed in the array, claw plates are fixedly installed on the upper surfaces of the sliding blocks, and spring ropes are connected to the lower ends of the sliding blocks arranged in the array. The cutting plate is slidably mounted on the surface of the side through groove, so that a regular and consistent opening can be cut in the surface of the orange, a standardized pulp sample can be obtained, the cutting plate can complete cutting of the upper layer surface of the orange through simple operation, and compared with manual peeling or cutting, the time is greatly saved, and the sampling efficiency is improved.

This utility model discloses a scale removal device for plate heat exchangers, relating to the technical field of plate heat exchangers. It includes a fixed clamping plate, a fixed guide rod fixedly connected to the lower right side of the clamping plate, several plates slidably connected to the upper side of the guide rod, and fixed plates fixedly connected to the upper and lower right ends of the plates. Telescopic rods are fixedly connected to the inner sides of both fixed plates, and lifting plates are fixedly connected to the ends of the two telescopic rods. Springs are sleeved on the surfaces of the telescopic rods. Scrapers are fixedly connected to the middle positions of both sides of the lifting plate, and trapezoidal frames are fixedly connected to the upper and lower ends of both sides of the lifting plate. A fixed brush is fixedly connected to the outer end of the trapezoidal frame away from the lifting plate. This utility model, by incorporating a fixed plate, telescopic rods, lifting plate, springs, scrapers, a fixed pipe, a second solenoid valve, a fixed brush, and a pressurizing pipe, avoids disassembling the plates, effectively reducing workload, and simultaneously effectively removing deposited scale.

The utility model discloses an evaporator for amino acid production belongs to amino acid production field, including evaporator casing, install first evaporating unit - third evaporating unit in evaporating inner chamber, be provided with first cavity between first evaporating unit and second evaporating unit, be provided with second cavity between second evaporating unit and third evaporating unit, form third cavity between the bottom of third evaporating unit and the bottom inner wall of evaporator casing, install first - third liquid spray unit in evaporating inner chamber, be provided with first baffle in first cavity, open first hole in the central position of first baffle, install first inner tube in first hole, be provided with second baffle in second cavity, open second hole in the central position of second baffle, install second inner tube in second hole. The utility model can reasonably improve energy efficiency and avoid broken amino acid internal molecular structure, and prevent amino acid acidic side chain in removing acid and be removed.

The utility model provides an exhaust system for a laboratory, which comprises a suction unit, a waste gas treatment unit and a waste gas discharge unit, and the suction unit is used for capturing waste gas; the waste gas treatment unit comprises a dust removal mechanism, a spray tower, a drying tower and a carbon adsorption box which are connected in sequence, and the dust removal mechanism is connected with the suction unit; the waste gas discharge unit is connected with the carbon adsorption box and is used for discharging waste gas to the outside; the suction unit comprises a first pipeline, a second pipeline and a main pipeline, the first pipeline is used for being connected with an exhaust outlet of the synthesis experiment cabinet, the second pipeline is connected with a fixed exhaust hood and a universal exhaust hood which are located above the detection experiment operation table, the air inlet end of the main pipeline is connected with the first pipeline and the second pipeline, and the air outlet end of the main pipeline is connected with the dust removal mechanism. The exhaust system for the laboratory, provided by the utility model, can effectively remove pollutants such as smoke dust, flammable and explosive substances, organic non-methane hydrocarbons and the like in waste gas, so that the possibility of safety accidents is reduced, and the safety of the surrounding environment and personnel is guaranteed.

The present invention provides a toothbrush for promoting dental plaque removal and a method for manufacturing the same. The toothbrush for promoting dental plaque removal comprises: a head on which elements for cleaning the toothbrush are arranged; a first electrode located on the head; a second electrode located on the head, separated from the first electrode by a preset interval and grounded; and a voltage supply unit for superimposing an alternating current (AC) voltage and a direct current (DC) voltage to apply both the AC voltage and the DC voltage to the first electrode.

The utility model discloses an air filtering and disinfecting structure for air-dried beef processing, and belongs to the technical field of beef processing. An air filtration and disinfection structure for air-dried beef processing comprises an air dryer and an air supply outlet, the air supply outlet is formed in the rear side of the air dryer, a fan is installed in the air supply outlet, a square frame is installed on the rear side of the inner wall of the air dryer and communicates with the air supply outlet, and a filtration and disinfection mechanism is arranged in the square frame; the filtering and disinfecting mechanism comprises a first filter screen, a second filter screen, a plasma generator, an activated carbon filter screen and an ultraviolet germicidal lamp, the first filter screen is mounted on the inner wall of the square frame, the second filter screen is mounted on the inner wall of the square frame and located on the front side of the first filter screen, and the plasma generator is mounted on the front side of the square frame. Through cooperative use of the mechanisms, dust, bacteria, viruses and other pollutants in the air can be removed, the quality of the air introduced into the air dryer is ensured, and food in the air dryer is prevented from being polluted.

The utility model relates to the technical field of plastic color master batch screening, specifically to a plastic color master batch screening and impurity removing device, including screening bed, the inside fixed connection of screening bed has the filter screen, the inside of screening bed is provided with extrusion device, and the extrusion device includes support frame, and the support frame sets up the top of screening bed, and the upper surface of support frame is opened to have guide hole, and the inside slide connection of guide hole has guide rod, and the bottom fixed connection of guide rod has the pressing plate, and the inside slide connection of pressing plate and screening bed, and the top fixed connection of guide rod has the connecting strip, and one side fixed connection of connecting strip has the connecting block, and the surface of support frame is provided with drive assembly. The utility model discloses, through setting up extrusion device, can effectively conveniently worker to the material of caking carries on extruding, avoided the worker to remove the caking plastic color master batch, and then improved the screening rate of impurity removing device.

The invention relates to a water and air separation device (100) comprising: an intake section (10) having an intake opening (11); a guiding section (20) comprising a housing (24), a separation chamber (40), an inlet (21), a plurality of guiding channels (12) for transporting a white water spray into the separation chamber, a liquid outlet (22), a gas outlet (23), and wherein the guiding section (20) further comprises a first separation plate (41) arranged to divide the separation chamber (40) into a first section (A) and a second section (B), thereby forming a connection passage (46) for allowing white water to enter into the second section (B) below the first separation plate (41) and thereby separate the white water from the air of the white water spray.

The invention relates to the technical field of gluing equipment, in particular to a nozzle assembly which comprises a nozzle fixing assembly and a base fixed to the nozzle fixing assembly, a nozzle part is fixed to the base, the nozzle assembly further comprises an adjusting component installed on the base and two shoveling plates, and the two shoveling plates are arranged on the outer side of the nozzle part. Driving parts are mounted on the two shoveling plates, a front-end glue scraping plate and a side glue scraping plate are arranged between the two shoveling plates, and an electric push rod is fixed at the outer end of the side glue scraping plate; a traditional scraping plate component is improved, the designed front-end glue scraping plate is matched with the scraping plate cleaning mechanism, the scraping plate can be driven to pass through the shoveling plate to remove glue scraped at the bottom of the scraping plate, meanwhile, the scraping plate can rotate during retreating, the front-end glue scraping plate makes contact with the cleaning assembly, the scraping plate can be cleaned, and the scraping plate can be cleaned conveniently. Residual glue at the outer end of the glue scraping plate at the front end is removed, the residual glue at the outer end of the glue scraping plate is prevented from remaining to the outer side of the nozzle part, and residual glue is mixed with new glue.

The utility model relates to the technical field of zooplankter detection sampling devices, and discloses a sampling device for detecting zooplankter in a lake, which comprises a fixing ring, and an indicator is arranged at the top of the fixing ring. By rotating a rotary button, a second rotary column drives a third gear to rotate, then a second gear rotates along with a chain, a first rotary column rotates along with the second gear and drives a first gear to rotate, a rack ring drives a protruding plate to rotate, and then a rotary disc rotates on the inner wall of a limiting ring; then, an electric push rod is started to enable the output end of the electric push rod to drive a rotating disc to move upwards, so that a convex column on a convex plate penetrates through a hole in a filter screen, leaves or garbage on the filter screen are propped out, and the filter screen is prevented from being blocked by the leaves or the garbage; the phenomenon that leaves or garbage on the filter screen is manually removed is avoided, so that the collection time is shortened, and the collection efficiency is improved.

The invention provides an image reconstruction model training method, an image processing method and related equipment, and the method comprises the steps: covering a first input image through a first mask after the first input image is obtained, and obtaining a first covered image; covering the first input image by using a second mask complementary with the first mask to obtain a second covered image; further extracting features of the first covering image and the second covering image through an encoder, and performing fusion processing to obtain a first complementation feature corresponding to the first covering image and a second complementation feature corresponding to the second covering image; removing difference features of the first completion features and the second completion features to obtain screening features; and then outputting a first reconstructed image according to the screening features, calculating a loss function according to loss constraints of the first reconstructed image, and training an image reconstruction model based on the loss function.

This utility model relates to the field of pharmaceutical processing technology, and more particularly to a dehumidifier for pharmaceutical processing. It includes a cabinet with detachable upper and lower compartments, a trapezoidal shell-shaped top cover, and a base cabinet with a filter screen on one side. An exhaust fan unit is located on the other side of the base cabinet. Multiple casters are fixedly connected to the bottom of the base cabinet. A dehumidification frame is embedded inside the base cabinet. A power supply compartment containing a battery is located on top of the dehumidification frame. A programmable logic controller (PLC) is embedded in the dehumidification frame, and the PLC electrically controls a condenser tube with fins. An n-shaped side plate is detachably mounted on one side of the dehumidification frame, and a connecting rod is fixedly connected to one side of the n-shaped side plate. A cylindrical activated carbon granule filter is mounted on the connecting rod. The technical problem this utility model aims to solve is that existing dehumidifiers for pharmaceutical processing are mostly fixed cabinet structures, which are inconvenient to maintain and have uneven dehumidification distribution, making it difficult to meet the high standards required for pharmaceutical production.

A storage barrel for aluminum welding rods solves the problem that a supporting column in the middle of an existing storage barrel affects normal release in the using process. The device comprises a cylinder, the middle of the cylinder is detachably connected with a hollow supporting column, a protective layer is fixed in the cylinder, and the upper end of the cylinder is detachably connected with a cylinder cover. Compared with the prior art, the welding rod tray has the advantages that the supporting columns can be detached, so that the operation space can be conveniently increased during tray loading and welding rod releasing; the protection layer is arranged, so that moisture prevention is achieved, meanwhile, friction between the welding rod and the barrel is avoided, the locking unit and the fixing block are arranged, it can be avoided that the supporting column is removed through misoperation, and better safety is achieved.

The invention relates to a toothpaste formula for protecting enamel and removing dental plaque, and belongs to the technical field of toothpaste formulas. Comprising the following raw materials in percentage by weight: 15-20% of hydrated silica, 3-6% of xylitol, 5-8% of polyethylene glycol, 0.5-1.5% of sodium lauryl sulfate, 0.3-0.5% of cocamidopropyl betaine, 0.3-0.8% of xanthan gum, 20-28% of glycerol, 0.3-0.5% of peppermint oil, 0.7-1.4% of carboxymethyl cellulose gum, 3-5% of a tomentosa cherry extracting solution, 1-5% of edgeworthia chrysantha fiber powder, 2-5% of a salvia extract and the balance of deionized water. The sum of the weight percentages of the raw materials is 100%. Total polyphenols in the tomentosa cherry extracting solution and total flavonoids in the radix salviae miltiorrhizae extract form a synergistic bacteriostatic effect, and reproduction of dental plaque pathogenic bacteria can be directly inhibited, so that oral pathogenic bacteria are remarkably reduced after the toothpaste is used; a synergistic cleaning system of flexible adsorption and moderate grinding is formed by the edgeworthia chrysantha fiber powder and the hydrated silica, dental plaque residues on the tooth surface can be physically adsorbed, excessive friction of tooth enamel is avoided due to the flexible fiber characteristic of the edgeworthia chrysantha fiber powder, and the tooth enamel is protected while dental plaque is efficiently removed.

The utility model relates to the field of air flotation treatment, and discloses a large-flow high-speed air flotation treatment device which comprises a fixing frame, a precipitation bin is fixedly connected to the interior of the fixing frame, a supporting frame is fixedly connected to the upper surface of the precipitation bin, and a motor is fixedly installed at the left end of the front surface of the supporting frame. A driving shaft is fixedly mounted on an output shaft of the motor, a conveying belt is in transmission connection with the outer wall of the driving shaft, an auxiliary assembly is arranged on the upper surface of the conveying belt, an air flotation assembly is arranged on the left surface of the precipitation bin and comprises a water inlet, and a sewage collection bin is connected to the lower surface of the precipitation bin through a pipeline. According to the utility model, through mutual cooperation of connection relations among parts such as the precipitation bin, the sewage pipe and the sewage collection bin in the air flotation assembly, the separation efficiency of the equipment on residues in wastewater is improved, solid substances are prevented from being removed too early, accumulation of sludge is reduced, and the air flotation effect of the equipment on the wastewater is enhanced.

The utility model provides a candy raw material dissolving tank. The candy raw material dissolving tank comprises a tank body, the top of the tank body is provided with a feeding port, and the bottom of the tank body is fixedly communicated with a discharging pipe with a valve; the screening frame is used for screening raw materials, the screening frame is installed on the tank body in a sliding mode, guide rods are fixedly installed on the two sides of the screening frame, and the guide rods penetrate through the tank body in a sliding mode; the mounting groove is formed in the inner wall of the tank body, and a heating plate is fixedly mounted in the mounting groove; the exhaust pipe is fixedly communicated with one side of the tank body; and the steam recycling mechanism is arranged on the exhaust pipe and is used for recycling the steam. The candy raw material dissolving tank provided by the utility model has the advantages that steam generated during heating can be recycled, the energy recycling efficiency is improved, and the energy waste is reduced.

The utility model belongs to the technical field of stock bin cleaning, and particularly relates to a stock bin crust removing device which comprises a rotary lifting mechanism, a rotary driving assembly used for driving an air cannon to rotate by 360 degrees along the horizontal axis and a lifting driving assembly used for driving the air cannon to do reciprocating lifting motion in the vertical direction. The air cannon is mounted on the rotary lifting mechanism and is used for impacting and removing crust on the inner wall of the stock bin under the driving of the rotary lifting mechanism; the visual monitoring assembly comprises a camera and is used for shooting crust images of the inner wall of the stock bin in real time; compared with the mode that a plurality of air cannons are installed on the outer wall of the stock bin in the prior art, the cost is saved, the crust removing dead angle caused by the mode that the air cannons are fixedly installed can be avoided, and the crust cleaning efficiency is improved.

The application discloses a marine propeller winding removal device, which comprises a protection assembly and a cutting component. The protection assembly is arranged on the periphery of the propeller, a hollow cylinder at one end of the protection assembly is sleeved on the propeller shaft, the protection assembly is driven by a driving mechanism on the ship body to rotate around the propeller shaft, a plurality of protection net sleeve components are arranged along the propeller shaft, the protection net sleeve components are circumferentially surrounded to form a protection, grooves and displacement holes are circumferentially arranged on the protection net sleeve components, the cutting component is fixed to the ship body and located above the protection assembly, the cutting component comprises a longitudinal cutting knife, a transverse cutting knife and a displacement rod, and the longitudinal cutting knife, the transverse cutting knife and the displacement rod are connected through respective up-down and left-right driving mechanisms, the blade of the longitudinal cutting knife is arranged in the axial direction of the protection net sleeve component, the blade of the transverse cutting knife is arranged in the circumferential direction of the protection net sleeve component, and the displacement rod corresponds to the displacement hole on the protection net sleeve component. The winding can be completely removed, and the propeller is not damaged.

The invention provides a liquid injection method of a heat exchange plate, a heat exchange module and electronic equipment, the heat exchange plate is provided with a heat exchange flow channel, the heat exchange flow channel is provided with an injection port and a discharge port, and the liquid injection method comprises the steps that first-time liquid injection is conducted into the heat exchange flow channel from the injection port, so that the heat exchange flow channel is filled with liquid; carrying out primary degassing treatment on the heat exchange plate; second-time liquid filling is conducted on the heat exchange runner from the injection opening; at least carrying out primary secondary degassing treatment on the heat exchange plate; and after each secondary degassing treatment, heat exchange liquid is injected into the heat exchange flow channel from the injection port, so that the heat exchange flow channel is filled with the liquid. According to the liquid injection method, through multiple times of liquid injection and multi-stage degassing of the heat exchange plate, uniform distribution of the liquid in the heat exchange flow channel is achieved, gas in the heat exchange flow channel is effectively removed, bubbles in the heat exchange flow channel are effectively avoided, the adverse effect of the bubbles on the heat exchange effect is eliminated, and the heat exchange efficiency is improved. Therefore, the reliability and the heat exchange efficiency of the heat exchange plate can be obviously improved.

A depth-fixing bur and dental grinding machine adapted to tooth surface angles includes a bur handle, one end of which is connected to a drive device, and the other end of which is equipped with a ball drill. The bur handle also has at least two equally spaced disc drills along its axial direction, with the radial dimensions of the disc drills being larger than that of the ball drill. The ball drill is used for depth-fixing at the cervical region of the tooth, while the disc drills are used for depth-fixing at the body and incisal edge of the tooth. The ball drill and disc drills can perform depth-fixing at different locations of the tooth structure. During veneer depth-fixing, segmented grinding avoids unnecessary tooth tissue removal caused by grinding the cervical region and body, or the body and incisal edge. Furthermore, depth-fixing at the cervical region is performed by the ball drill, minimizing the risk of accidental injury to the gingiva near the cervical region.

This invention discloses a method for fabricating and monitoring a battery monitoring chip for a boron diffusion process. The fabrication method includes: forming a boron diffusion layer and a borosilicate glass layer stacked outside the boron diffusion layer on the main surface of a substrate through a boron diffusion process; forming a diffusion barrier layer outside the borosilicate glass layer; doping the diffusion barrier layer with N-type dopant atoms to form a doped layer containing N-type dopant atoms; the N-type dopant atoms then enter the borosilicate glass layer, transforming the borosilicate glass layer into a first composite doped silicon glass layer containing boron atoms and N-type dopant atoms; and removing the doped layer and the first composite doped silicon glass layer. This fabrication method improves the consistency between the boron diffusion layer in the battery monitoring chip and the boron diffusion layer of the solar cell, thereby improving the accuracy and reliability of monitoring the boron diffusion process.