23results about How to "Avoid oxidation" patented technology

The invention relates to the technical field of cables, and provides a cable with bending durability, the cable comprises a cable body, the cable body comprises an insulating sheath and a plurality of cable cores, the cable body further comprises a hollow positioning disc and a plurality of cable core butt joint mechanisms with a telescopic locking function, the hollow positioning disc is communicated with an air pressure adjusting assembly, and the cable core butt joint mechanisms are arranged on the hollow positioning disc. The cable core butt joint mechanisms are in one-to-one correspondence with the cable cores and are used for positioning and conducting the cable cores and extending the cable cores, each cable core butt joint mechanism comprises a positioning ring, a telescopic positioning assembly, a positioning reset spring and a conductive spring, the positioning rings are arranged on the hollow positioning disc in a sealing and penetrating mode, and the telescopic positioning assemblies are arranged on the positioning rings; and a plurality of air inlet through holes are formed between the positioning ring and the hollow positioning disc. By means of the technical scheme, the problem that in the prior art, when a bent durable cable is applied to a drag chain system, the abrasion degree is large is solved.

The invention discloses a method for preparing a manganese sulfate crystal by using manganese carbonate ore. The preparation method of the manganese sulfate crystal comprises the following steps: leaching manganese carbonate ore by using sulfuric acid to obtain a leaching solution, precipitating the leaching solution by using a heavy removing agent to remove heavy metal ions, neutralizing redundant sulfuric acid in the leaching solution, introducing a precipitating agent, reacting with the precipitating agent to obtain a precipitate, washing the precipitate with water to remove impurities, and dissolving by using sulfuric acid to obtain the manganese sulfate crystal. And after dissolving, precipitating a small amount of residual calcium and magnesium ions by using fluoride, filtering to obtain fluorine-containing manganese sulfate filtrate, finally adding a fluorine removal agent for solid-liquid separation, and evaporating and crystallizing the filtrate to obtain manganese sulfate crystals. The manganese sulfate crystal is suitable for production of a lithium ion battery positive electrode material. According to the preparation method of the manganese sulfate crystal, the impurity removal cost is greatly reduced. The invention also discloses a method for preparing manganous-manganic oxide from manganese carbonate ore. The tap density of the manganous-manganic oxide is greater than 2.3 g / cm < 3 >, the specific surface area is less than 3m < 2 > / g, and the requirement of a battery-grade material is met.

The invention relates to the technical field of metal workpiece manufacturing, in particular to a metal workpiece drying system which comprises a base, two sets of baffles symmetrically arranged are fixedly installed on the surface of the upper end of the base, a conveying belt device is installed between the two sets of baffles, and the metal workpiece drying system further comprises a fixing shell fixedly installed at the top ends of the two sets of baffles; the lifting assembly is arranged on the fixing plate, the working end of the lifting assembly is connected with a movable block, and the lower end of the movable block is connected with an air bag in a glued mode; the drying mechanism is arranged on the rear side of the interior of the fixing shell; and the mounting plates are fixedly mounted between the two baffles, and the number of the mounting plates is multiple. Through the arrangement of the structure, the air volume can be controlled according to the number of parts while steel pipes are prevented from being stacked, the surfaces of the steel pipes are fully dried in a multi-angle and all-directional mode, and the situation that the interiors of the steel pipes are oxidized is reduced.

The invention provides a workpiece cutting machine tool for metal machining, and relates to the technical field of metal workpiece cutting. The workpiece cutting machine tool for metal machining comprises a cutting machine tool body, the upper surface of the cutting machine tool body is fixedly connected with a cutting operation box body, and the inner wall of the cutting operation box body is fixedly connected with a first fixing rod and a second fixing rod. According to the device, a nitrogen generator and a first fan are started, and nitrogen generated by the nitrogen generator enters a first connecting pipeline through the first fan, then enters a second connecting pipeline through a snakelike connecting pipe and then enters a third connecting pipeline through the second connecting pipeline; and finally, nitrogen enters the cutting operation box body through a second connecting pipeline and a third connecting pipeline, air in the cutting operation box body is exhausted through an exhaust connecting pipe, the gas in the cutting operation box body is nitrogen, and the situation that a large amount of oxygen exists in the cutting operation box body, and consequently chippings are oxidized is avoided.

The invention relates to the technical field of plate laser cutting, in particular to a plate laser cutting device for office table production, which comprises a main body plate, the upper end of the main body plate is provided with a moving mechanism moving according to a track, and the moving mechanism comprises two first limiting grooves symmetrically formed in the upper end of the main body plate; first electric telescopic rods are fixedly connected to the upper ends of the two first limiting bodies, a second limiting body is slidably arranged on the lower end face of the first fixing body, a sealing cutting mechanism for conducting sealing cutting on a wood plate is fixedly connected to the lower end of the second limiting body, and a circulating filtering mechanism for filtering and storing chippings is arranged at the lower end of the main body plate. The lower end face of the flexible sealing gasket is in close contact with a plate, meanwhile, the cylindrical air bag is inflated to seal a cut gap, an area cut by the laser cutting head is filled with inert gas, the situation that the wood plate is oxidized during cutting can be prevented, and meanwhile the consumption of the inert gas is very low.

The utility model relates to the technical field of return springs, and discloses a double-clutch return spring set which comprises an inner gear hub, a return spring mechanism is arranged on the surface of one side of the inner gear hub in a clamped mode, the return spring mechanism comprises a fixing ring, return spring bodies are fixedly connected to the periphery of the interior of the fixing ring, and the inner side of the inner gear hub is provided with a return spring. A protective coating is fixedly connected to the periphery of the outer surface of the return spring body and comprises a phosphating coating, an electrophoretic paint coating is fixedly connected to the surface of the upper end of the phosphating coating, a galvanized coating is fixedly connected to the surface of the upper end of the electrophoretic paint coating, and a spring supporting plate is clamped to the surface of the upper end of the fixing ring. According to the return spring, the protective coating is fixedly connected to the periphery of the surface of the return spring set, and the protective coating is composed of the phosphating coating, the electrophoretic paint coating and the galvanized coating, so that the abrasion resistance and the overall hardness of the spring are improved, and the return spring is not prone to breakage in the using process.

The utility model provides a label with good interface sealing performance, which relates to the technical field of labels and comprises bottom paper, a sealing groove is arranged on the surface of the bottom paper, a rubber ring is fixedly mounted on the surface of the bottom paper, a thin film is arranged on the top surface of the bottom paper, a tearing block A is fixedly mounted on the surface of the thin film, and a sealing ring is fixedly mounted on the bottom surface of the thin film. An uncovering groove and a circular groove are formed in the surface of the bottom paper, a bottom film is fixedly installed on the surface of the circular groove, a label body is arranged in the circular groove, and a glue layer is fixedly installed on the bottom face of the label body. By arranging the film, the rubber ring, the sealing groove, the tearing block A, the sealing ring and the backing paper, the situation that moisture and air enter the glue layer of the label body to cause oxidation of the glue layer is prevented, so that the sealing effect of the connector of the label body is improved, the storage time of the label body is prolonged, the structure is simple, and practicability is high.

The utility model relates to the technical field of photovoltaic solder strips, in particular to a stably connected photovoltaic solder strip, which comprises a copper body, a fixing part is fixedly mounted at one end of the copper body, a connecting port is slidably connected to the inner side of the fixing part, a spring part is fixedly welded at one end of the copper body, one end of the spring part is fixedly welded with the connecting port, and the other end of the spring part is fixedly welded with the connecting port. A connecting rod is fixedly installed at one end of the copper body, the connecting rod penetrates through the connecting port and is in sliding connection with the connecting port, a cam locking ring is fixedly installed on the outer side of the connecting rod, a butt-joint notch is in sliding connection with the outer side of the connecting rod, one end of the butt-joint notch is fixedly connected with the copper body, and a scaling powder coating is arranged on the outer side of the copper body. One end of the connecting port is rotationally connected with a plurality of protruding pieces, and one end of each protruding piece is in meshed connection with the corresponding butt-joint notch.

The utility model relates to the technical field of cosmetic packaging bottles, and provides a quantitative buckle piston bottle which comprises a bottle body, the lower end of the bottle body is fixedly connected with a baffle ring, cream can be conveniently stored by arranging the bottle body, when the cream needs to be taken out for use, the upper end of a disconnectable discharging pipe is broken off by moving a cover cap firstly, and then the bottle body is connected with the baffle ring. The detachable discharging pipe can conveniently discharge cream, then a user pushes a push rod, the push rod drives a push ball to move, the push ball pushes a sealing piston to extrude the cream in the bottle body, the cream is extruded out of the detachable discharging pipe, and after the cream is taken out, the cream can be conveniently discharged through the detachable discharging pipe. And the cover cap can be inserted into the upper end of the disconnected discharging pipe after the disconnected discharging pipe is broken, so that temporary sealing is carried out. By means of the technical scheme, the problems that in the prior art, the manufacturing cost is high, more cream is left, the sealing performance is insufficient, and oxidation is prone to occurring are solved.

The utility model discloses an air suction type mold for processing a glass element. The air suction type mold comprises a fixed mold, a connecting device, a forming cavity, frit and an upper mold, according to the utility model, the plurality of groups of lower-layer ventilation channels are arranged in the lower die, so that the extraction speed of gas in the forming cavity is increased, and the extracted air is concentrated to the concentration area and is extracted out through the conveying channel, and the structure effectively avoids the situation that the extraction speed of the gas in the forming cavity is reduced when the gas is collected and conveyed; a large amount of gas in the forming cavity is rapidly pumped to the large-volume concentration area to be buffered and conveyed, rapid formation of a vacuum environment in the forming cavity is achieved, hot gas transmission caused by frit is effectively isolated through rapid production of the vacuum environment, then the situation of die oxidation caused by combination of oxygen and high-temperature hot gas is avoided, and the production efficiency is improved. The service life of the mold is prolonged, through the arrangement of the connecting piece, flexible replacement of two connecting modes is achieved, and the connecting flexibility of the vacuum machine and the mold is improved.

This invention discloses a gas-saving mechanism for a welding robot, relating to the field of welding technology. It includes a gas-saving housing with a gas-saving valve fixedly connected inside. An electromagnetic device is mounted on the outside of the gas-saving valve, and the interior of the gas-saving valve is connected to the interior of the electromagnetic device. A magnetic rod is mounted at the connection point between the electromagnetic device and the gas-saving valve. A spring is fixedly connected inside the gas-saving valve, and a sealing plate is fixedly connected to the end of the spring away from the connection with the gas-saving valve. Through the instantaneous release of the elastic potential energy of the spring, an impact block instantaneously impacts a limiting rod. The impact on the limiting rod is transmitted to the impact rod, and this impact force is then transmitted to the sealing plate. The instantaneous impact loosens the sealing plate, preventing accidental jamming that could prevent effective opening and closing. This ensures the accuracy of gas emission and avoids situations such as insufficient gas leading to high temperatures at the welding position during welding, thus improving welding efficiency.

The utility model provides a kind of honeycomb sandwich composite electrode structure, it is related to molybdenum electrode oxidation resistance technical field, it includes: molybdenum matrix;Honeycomb core layer, by multiple honeycomb units connection composition, honeycomb core layer is located on the outer wall surface of molybdenum matrix;Each honeycomb unit and the cavity formed between the outer wall surface of molybdenum matrix, each honeycomb unit has first gas passage, one end of each first gas passage and corresponding cavity communication, other end extends to the outer surface of honeycomb core layer towards protective layer;Protective layer, it is located on the outer surface of honeycomb core layer, protective layer has multiple second gas passage;Wherein, second gas passage and first row passage number are consistent, and each second gas passage and corresponding first gas passage are communicated with each other.The electrode structure can protect molybdenum electrode, and greatly slow down the oxidation rate of molybdenum electrode.

The hydraulic valve seat assembly comprises a valve seat body, the tops of the two sides of the valve seat body are fixedly connected with lug block seats, limiting holes are formed in the tops of the lug block seats, a protective cover plate is arranged at the top of the valve seat body, and the lug block seats are fixedly connected with the protective cover plate. And four corners of the bottom of the protective cover plate are fixedly connected with positioning blocking rods. When the hydraulic valve does not need to be installed, the protective cover plate only needs to be pressed, the protective cover plate drives the positioning blocking rods at the four corners of the bottom of the protective cover plate to block the inner surface of the threaded hole, the positioning blocking rods also play a guiding and positioning role, and meanwhile the sliding handle is driven by the acting force of the spring to slide on the inner surface of the cylinder. According to the valve seat, a sliding handle is arranged on the valve seat body, so that a clamping rod connected with the sliding handle is driven to move, the bottom of the clamping rod penetrates through the connecting seat and is clamped into a corresponding limiting hole, the protective cover plate and the valve seat body are attached, meanwhile, the sealing performance is improved through a sealing ring, and a connecting hole and a threaded hole are protected.

The invention provides a bullfrog processing method which specifically comprises the following steps: checking and accepting fresh and alive bullfrogs, slaughtering, cleaning, dicing, soaking in ice water, pickling, rolling, kneading and starching, packaging, quick-freezing, carrying out metal detection, boxing and warehousing, specifically, weighing an auxiliary material A and an auxiliary material B according to a formula, putting all the auxiliary material A and water into a rolling and kneading machine, uniformly stirring, and packaging. Fully stirring the bullfrogs until the bullfrogs are thoroughly dissolved, adding crushed ice, putting the drained bullfrogs into a tumbling machine, tumbling for 20-30 minutes, and putting the bullfrogs into a static pickling jar for pickling; the pickling temperature is controlled at 6-8 DEG C, and statically pickling for 1-2 hours; after the pickling is completed, draining the frog blocks until the frog blocks are not weighed on line; putting an auxiliary material B and the drained frog blocks into the tumbling machine again according to the weight ratio of 1: (80-120), and tumbling for 4-6 Mims at the low temperature of 2-3 DEG C; the auxiliary material A comprises 3 parts of ginger, 5 parts of white sugar, 2 parts of pungent litse fruit, 3 parts of agastache rugosus leaf and 30 parts of onion; the bullfrog meat processing method can effectively solve the technical problems that bullfrog meat in the prior art is chewy in taste and poor in taste.

The utility model relates to the technical field of non-ferrous metal storage, and discloses a non-ferrous metal storage device which comprises a telescopic frame, the front face of the telescopic frame is movably connected with a frame door, the inner bottom wall of the telescopic frame is fixedly connected with a damp-proof material frame, the inner bottom wall of the telescopic frame is fixedly connected with a supporting seat, and the supporting seat is fixedly connected with a base. And the top of the supporting seat is fixedly connected with a hydraulic rod. According to the storage device for the non-ferrous metal, through the arrangement of the telescopic frame, the hydraulic rods, the telescopic frame main body, the damp-proof material frame, the through hole, the storage box, the base and the supporting seat, in the using process of the storage device, the bottom position of the storage device can be telescopically adjusted, so that the distance between the bottom and the ground can be increased in the mildew rain and damp season; and the situation that the bottom of the storage device is contaminated by moisture, the interior of the storage device is affected with damp, and the nonferrous metal is oxidized is avoided, so that the nonferrous metal storage effect of the storage device during use is improved.

The utility model provides a vehicle-mounted circuit board and a vehicle-mounted product. The vehicle-mounted circuit board comprises a circuit board; the screw hole is formed in the surface of one side of the circuit board, a plurality of holes are formed in the peripheral area of the screw hole, and a first bonding pad is arranged between every two adjacent holes; and the solder paste covers the peripheral area of the screw hole. Through the above mode, the roughness of the welding ring in the surrounding area of the screw hole is effectively improved, the adhesion ability of the nut of the screw and the surrounding area of the screw hole is improved, and the condition that the exposed position is oxidized after the circuit board is in contact with air for a long time is effectively prevented, so that the electromagnetic compatibility of the circuit board is improved.

The utility model provides a cooling assembly and a compressing and film drawing device, the cooling assembly is used for cooling a compressing and film drawing assembly, the cooling assembly comprises a shell, a containing cavity is formed in the shell and used for containing cooling water, and the shell is further provided with containing grooves communicated with each other; the number of the outer shells is two, the two outer shells are connected with each other, so that the two containing grooves communicate with each other to form an installation position, and the installation position is used for installing the pressing film-drawing assembly. An operator firstly adds cooling water into the accommodating cavity, then splices the two shells to form an installation position, installs the pressing and film-drawing assembly at the installation position, and the pressing and film-drawing assembly abuts against the inner wall of the accommodating groove, so that the pressing and film-drawing assembly can press a wire rod to form a conductor in a cable, and the pressing and film-drawing assembly and the wire rod can generate friction, so that the conductor in the cable is formed. The friction can generate heat, at the moment, the heat generated by the friction can be transmitted to the cooling water in the containing cavity from the compressing and film drawing assembly through the shell, and the situation that the wire rod is oxidized due to the too high temperature is prevented.

The invention belongs to the technical field of flow batteries, and particularly relates to a liquid storage system with a pressure regulating function and a working method thereof. The liquid storage system comprises a liquid storage tank, and an air bag is arranged in the liquid storage tank; the opening of the air bag can be communicated with the outside, so that the volume of the air bag can change along with the pressure in the liquid storage tank, and the pressure in the liquid storage tank is always equal to the outside atmospheric pressure. The air bag is arranged in the liquid storage tank, and the volume of the air bag changes along with the pressure in the liquid storage tank, so that the pressure in the liquid storage tank is always equal to the external atmospheric pressure. When the pressure in the liquid storage tank changes, air enters and exits from the air bag and does not make contact with the electrolyte in the liquid storage tank. Therefore, the conditions that when the negative pressure in the liquid storage tank exceeds the suction opening pressure of the breather valve, the breather valve is opened, the air directly enters the liquid storage tank, the air makes contact with the electrolyte, and the electrolyte is oxidized can be effectively prevented. In addition, nitrogen does not need to be supplemented at any time in the using process, and the nitrogen cost is saved.

The invention relates to the technical field of automobile intelligent charging piles, and particularly discloses a new energy automobile intelligent charging pile which comprises a charging pile assembly, a positioning and locking assembly is installed in the charging pile assembly and comprises a power guide assembly, and a locking and limiting assembly is installed at the top of the power guide assembly. The charging pile assembly comprises a charging pile base, and the top of the charging pile base is fixedly connected with a charging pile supporting column. The servo motor can lock the first gear, so that the first gear does not rotate any more, after a user completes charging, the charging gun can be automatically locked only by being placed into the gun opening, and the situation that the charging gun is not completely inserted into the charging pile positioning opening after charging is completed, and consequently the charging gun cannot be locked is avoided; the situation that the cell element at the muzzle of the charging gun is exposed to the outside for a long time and oxidized is effectively avoided, and the service life of the charging gun is guaranteed.

The present invention relates to the technical field of automobile intelligent charging piles, and more specifically discloses an intelligent charging pile for new energy vehicles, including a charging pile assembly, a positioning locking assembly is installed inside the charging pile assembly, the positioning locking assembly includes a power guide assembly, a locking limit assembly is installed on the top of the power guide assembly, the charging pile assembly includes an electric pile base, and the top of the electric pile base is fixedly connected to an electric pile support column; a servo motor can lock a first gear so that the first gear no longer rotates, so that after the user completes charging, the charging gun only needs to be put into the muzzle to complete automatic locking, thereby avoiding the situation that the charging gun is not fully inserted into the charging pile positioning port after charging is completed, resulting in the charging gun failing to be locked, effectively avoiding the situation that the battery core components at the muzzle of the charging gun are exposed to the outside for a long time and oxidized, thereby ensuring the service life of the charging gun.

The invention relates to photovoltaic solder strip tinning production equipment which comprises a tin pool filled with tin liquor. The hidden gushing mechanism is used for driving tin liquid to flow and comprises a partition plate fixedly welded to the interior of the tin pool, rotating shafts are arranged on the upper side and the lower side of the partition plate, the two ends of the two rotating shafts are rotationally connected with the inner wall of the tin pool, a plurality of turbines are fixedly installed outside the two rotating shafts, and the right ends of the two rotating shafts rotationally penetrate through the tin pool and are in transmission connection through a transmission mechanism. A first motor is fixedly mounted outside the tin pool, and a driving shaft of the first motor is coaxially and fixedly connected with one rotating shaft; and the electroplating mechanism is used for electroplating the photovoltaic welding strip. Compared with the prior art, impurities on the surface of the photovoltaic welding strip can be cleaned, oxidation films and bubbles are avoided when the photovoltaic welding strip is tinned, a plating layer is uniform, the tinning effect is good, inert gas can be recycled, and resources are saved.

The utility model relates to the technical field of aluminum profiles, and discloses an anti-oxidation bathroom aluminum profile which comprises a shell, rubber pads are attached to the two side walls in the shell, an anti-oxidation plate is fixedly connected to the interior of the shell, reinforcing ribs are arranged in the anti-oxidation plate, and waterproof plates are arranged on the two sides of the anti-oxidation plate. An anti-rust plate used for improving the anti-rust property is attached to one side of the shell, one side of the anti-rust plate is coated with anti-rust paint, the size of the anti-oxidation plate is smaller than that of the shell, a welding strip is arranged at one end of the shell, anti-oxidation pads used for preventing oxidation are attached to the two sides of the top face of the shell, and the shell is made of aluminum steel. According to the anti-oxidation bathroom aluminum profile, through the arrangement of the anti-oxidation plate, the waterproof plate and the shell, when the shell is used in water vapor for a long time, the waterproof plate and the anti-oxidation plate can isolate external moisture, so that the stability of materials in the shell is enhanced, and the situation that the shell is oxidized is avoided.

The utility model relates to a hand-washing cup which comprises a cup body, filter cloth is arranged inside the bottom end of the cup body, a closed cavity is formed by the filter cloth and the bottom end of the cup body, and coffee is filled in the closed cavity. A sealing layer is further arranged in the cup body, the sealing layer is arranged on the inner wall of the cup body, the sealing layer is located between the filter cloth and a cup opening of the cup body, a sealing cavity is formed between the sealing layer and the lower portion of the cup body, and the cup body is of a big-end-up frustum structure. Coffee is contained in the cavity of the hand brewing cup, when the coffee is drunk, the brewing and drinking process is more convenient and simpler, coffee powder is always soaked in water in the brewing process and is kept in a water-soluble state, effective components in the coffee can be fully extracted, the utilization rate of the effective components of the coffee can be further increased in a cup continuing mode, and the coffee brewing efficiency is improved. And due to the action of the filter cloth, coffee particles and blocks which are not brewed are not drunk accidentally, so that the coffee drinking taste of a user is better.