42 results about "Tungsten filament" patented technology

The invention discloses an ion etching device for PVD (Physical Vapor Deposition) coating equipment. The ion etching device comprises an auxiliary anode, a main and standby double-group tungsten filament heating module, an inert gas directional introduction module, a vacuum and electric connection module and a control and protection module. Through the design of the main and standby tungsten filaments and the automatic overlapping switching strategy, it is ensured that when one tungsten filament fails, seamless switching to the standby tungsten filament can be achieved, shutdown caused by filament breakage or degradation is effectively avoided, the service life of the device is prolonged, long-period continuous production is guaranteed, and the operation efficiency and production continuity of the device are greatly improved. Meanwhile, electric arc particle pollution is avoided through hot electron emission, and the surface cleanliness is high; the matching range of pressure, bias pressure and gas is wide, the method is suitable for multiple materials and complex morphology, and the process repeatability is good; the flange and the electric penetration assembly are modularized, and the tungsten filament / anode / gas supply assembly is quickly replaced, so that the maintenance time is shortened, and the maintenance cost is reduced; the whole system is simple in structure, does not need a complex magnetic field and a multi-stage electrode, and is low in equipment manufacturing cost.

The invention discloses a gun emitting device of a tungsten filament scanning electron microscope. The gun emitting device comprises an emitting end vacuum cavity, a ceramic electrifying suite, a cathode assembly, a transmission module, an isolating valve and an outlet blind plate, the outlet blind plate is mounted on the end face of the rectangular boss of the transmitting end vacuum cavity; an extraction opening is formed in the opposite side of the rectangular boss of the transmitting end vacuum cavity; the ceramic power-on suite is mounted on the first step end surface of the transmitting end vacuum cavity; the isolating valve is mounted on the end face of a flange plate at the bottom of the transmitting end vacuum cavity to isolate the transmitting end vacuum cavity from other cavities of the electron microscope; the transmission module is fixed on the transmitting terminal vacuum cavity, and the cathode assembly installed on the transmission module can be driven by the motor to move back and forth to the atmosphere side and the vacuum side of the transmitting terminal vacuum cavity to replace the tungsten filament. The precision is high when the tungsten filament is installed, the tungsten filament is convenient to disassemble in the process of replacing the tungsten filament, and the equipment recovery time is shortened.

The utility model discloses a single-layer charge module, which relates to the technical field of charge modules and comprises a frame body, one side of the inside of the frame body is provided with a power connection block, one side of the power connection block is provided with a connecting groove, one end of the connecting groove is uniformly provided with a plurality of iron rods, the other ends of the iron rods are fixed on the other side of the inside of the frame body, and tungsten filaments are arranged among the iron rods. And the other end of the tungsten filament is also fixed on the other side in the frame body. According to the single-layer charge module provided by the utility model, through the arrangement of the through groove, after the power connection block is disconnected from the iron rod and the tungsten filament, gas is blown into the iron rod and the tungsten filament from the through groove, dust on the iron rod and the tungsten filament is completely blown out, the cleaning efficiency is improved, and the use efficiency of the charge module is improved.

The utility model provides a novel tungsten filament surface zinc and silicon dioxide particle composite plating device. The novel tungsten filament surface zinc and silicon dioxide particle composite plating device comprises a flushing assembly, a screening assembly and a backflow assembly, the flushing assembly comprises a flushing pool, a water spraying pipe is arranged on the upper portion of the inner side wall of the flushing pool, and a plurality of nozzles are connected to the side wall of the water spraying pipe; the screening assembly comprises a filtering membrane, and the filtering membrane is arranged on the lower side of the interior of the flushing pool; and the backflow assembly is used for extracting and conveying the filtered electroplating liquid. According to the device disclosed by the utility model, the tungsten filament subjected to composite plating is placed in the flushing tank, water flow is sprayed out from the nozzles after passing through the water spraying pipe, the tungsten filament is flushed, electroplating liquid brought out by the tungsten filament is removed, the water flow containing the electroplating liquid falls on the filter membrane, the electroplating liquid is filtered out, and then the electroplating liquid is conveyed back into the electroplating bath by the pump body 1. Therefore, the tungsten filament is quickly cleaned, the carried electroplating liquid flows back to the electroplating bath, and the problem of waste of the electroplating liquid is avoided.

The invention relates to the technical field of metal wire deep processing, in particular to aquadag for superfine tungsten filament high-temperature drawing and a preparation method of the aquadag. The preparation method comprises the following steps: adding a dispersing agent, ammonia water and graphite powder into ultrapure water, pre-dispersing by using a dispersing disc, adding a stabilizer, a lubrication enhancer, a thickening agent and an adhesive, uniformly mixing, and sanding the mixed solution in a sand mill to obtain aquadag; according to the aquadag for high-temperature drawing of the superfine tungsten filament and the preparation method of the aquadag, the aquadag has good storage stability and excellent lubricating effect, in the high-temperature drawing process of the tungsten filament, the aquadag can uniformly cover the surface of the tungsten filament to form a compact graphite layer, and the superfine tungsten filament obtained after high-temperature drawing is small in wire diameter (smaller than or equal to 36 micrometers), large in ring diameter (larger than or equal to 30 mm) and low in wire drawing breakage rate (2.1%); the wire drawing qualification rate is high (92.6%), and the method is suitable for large-scale drawing production of superfine tungsten wires; the aquadag has few organic components, ash content generated after high-temperature drawing is low, the production method is simple, and the cost is low.

The invention provides rare earth oxide doped tungsten powder and a preparation method and application thereof, and belongs to the field of powder metallurgy, and the preparation method of the rare earth oxide doped tungsten powder comprises the following steps that ammonium paratungstate is subjected to pre-calcination treatment to obtain a porous precursor; preparing rare earth nitrate into a rare earth nitrate solution, mixing the porous precursor with the rare earth nitrate solution, carrying out ball milling treatment, and drying to obtain a mixed material; and the mixed material is subjected to hydrogen reduction treatment, reduction is conducted in a low-temperature area of 500-650 DEG C firstly, then the temperature is increased to a high-temperature area of 700-950 DEG C for reduction, and the rare earth oxide doped tungsten powder is obtained. When the obtained tungsten powder is applied to tungsten filament preparation, the higher drawing yield is shown, and the mechanical property of tungsten filaments is remarkably improved.

The invention provides a recovery method of a tungsten diamond wire. The recovery method comprises the following steps: mixing a tungsten filament diamond wire with an acid solution, and heating for reaction to form the tungsten filament wire, a nickel-containing salt solution and diamond precipitate; wherein the tungsten filament diamond wire comprises a tungsten filament and a coating layer coated on the surface of the tungsten filament, and the coating layer comprises a nickel metal layer and diamond particles embedded in the nickel metal layer; mixing the nickel-containing salt solution with carbonate to form nickel carbonate precipitate; mixing the nickel carbonate precipitate with sulfamic acid to prepare nickel sulfamic acid; wherein the heating temperature ranges from 20 DEG C to 80 DEG C. The recycling method is free of waste gas emission in the recycling process, simple in technological process, low in energy consumption and suitable for industrial large-scale application.

The application belongs to the field of food processing, and discloses a ceramic grinding, curing and sterilizing integrated device and a production process. The technical scheme of the application comprises a fixed grinding disc and a movable grinding disc. The fixed grinding disc and the movable grinding disc are made of silicon carbide. The fixed grinding disc is internally provided with a fixed grinding disc annular groove. The fixed grinding disc annular groove is internally provided with a fixed grinding disc heating tungsten wire. The fixed grinding disc is provided with a fixed grinding disc heating tungsten wire connector. The fixed grinding disc heating tungsten wire connector is connected with the fixed grinding disc heating tungsten wire. The surface of the fixed grinding disc is provided with a fixed grinding disc groove. The device can combine the roasting and grinding of materials, reduce the process flow of food grinding, reduce the cost and process of pre-roasting, eliminate the waste of food, electricity and manpower and the oxidation occurring in the pre-roasting process, realize high-temperature enzyme inactivation and material antibacterial and bacteriostatic purposes in the roasting process, and enable the device to synchronously complete the four processes of grinding, curing, sterilization and enzyme inactivation at one time.

The utility model discloses a cluster ion focusing and shaping device, which comprises a pipeline and a nozzle, the nozzle is arranged at one end of the pipeline, mutually parallel deflection plates I are arranged at the other end in the pipeline, mutually parallel deflection plates II are arranged in the pipeline on one side, far away from the nozzle, of the deflection plates I, and the deflection plates II are arranged on the other side of the pipeline. A third deflection plate parallel to the first deflection plate is arranged in the pipeline on the other side of the second deflection plate, shielding plates are arranged on the two sides of the third deflection plate, the two sides of the second deflection plate and the two sides of the first deflection plate, a permanent magnet is arranged at the bottom end in the pipeline on the other side of the generation chamber, a tungsten filament block is arranged in the groove, and a sealing gasket is arranged in the groove in the top of the tungsten filament block. And a cover plate is arranged at the top of the sealing gasket. Under the action of the deflection plate I, the deflection plate II and the deflection plate III, the deflection effect can be improved, and the tungsten filament block can be conveniently maintained and replaced during use.

The utility model relates to tungsten filament processing technical field discloses tungsten filament fine wire surface treatment device, including processing frame, the top of processing frame is provided with the U type board, the top fixedly connected with servo motor has at the U type board, the output of servo motor penetrates U type board and fixedly connected with cylinder half gear, the bottom of U type board is opened with T type groove, the inside slide connection has T type block at T type groove, the bottom fixedly connected with rack has at T type block, the rack is engageded with cylinder half gear, the bottom fixedly connected with connecting rod has at rack, the outside slide connection has hollow pole at connecting rod. In the utility model, the impeller can rotate with the fluid influence and can drive the connecting pipe to rotate, the hollow box can drive the aeration pipe to rotate, and the servo motor can drive the cylinder half gear to rotate, the flow of the processing liquid can be further promoted, and every tungsten filament fine wire can be treated uniformly.

The invention mainly relates to the technical field of silicon wafer cutting, and provides a cutting fluid for tungsten wire diamond wire cutting, a preparation method and application, the cutting fluid for tungsten wire diamond wire cutting comprises 10-30 wt% of a cutting drag reducer, 15-30 wt% of a wetting agent, 0.5-5 wt% of a dispersant, and the balance of water; the cutting drag reducer is a polyethylene oxide, polypropylene oxide and polypropylene oxide butane copolymer; the wetting agent comprises narrow-distribution fatty alcohol-polyoxyethylene ether, and the dispersing agent comprises at least one of dialkyl dimethyl quaternary ammonium salt and dicoconut oil alkyl dimethyl ammonium chloride. According to the cutting fluid for tungsten wire diamond wire cutting, the lubricating performance of a tungsten wire diamond wire in the retracting process can be improved, the wire clamping phenomenon is effectively reduced, the high yield is guaranteed, and the industrial application prospect is large.

A die changing structure of a tungsten filament spool forming machine relates to the technical field of spool forming machines and comprises a base and a top plate arranged above the base, a lower mounting seat is fixedly mounted on the upper end face of the base, a detachable lower die is mounted in an inner cavity of the lower mounting seat, an upper mounting seat is arranged below the top plate, and a lower die is mounted in an inner cavity of the upper mounting seat. A detachable upper mold is mounted in an inner cavity of the upper mounting base, sliding limiting inserting blocks are arranged on the two sides of the inner cavity of the lower mounting base and the two sides of the inner cavity of the upper mounting base correspondingly, the inserting blocks synchronously move through transmission structures in the lower mounting base and the upper mounting base, inserting grooves are formed in the two sides of the lower mold and the two sides of the upper mold correspondingly, and the inserting grooves are matched with the inserting blocks in an inserted mode; according to the scheme, the problem that deviation is likely to be generated between an upper mold and a lower mold after replacement due to the poor positioning and locking effect of a mold installation structure is solved.

The utility model discloses a tungsten filament cold drawing control device which comprises a base, a cold drawing die is arranged on the upper side of the base, a storage box is arranged on the upper side of the cold drawing die, a conveying pump is arranged on the upper side of the storage box, baffles are arranged on the two sides of the cold drawing die, driving pieces are arranged on the outer sides of the baffles, the driving pieces are connected with driving teeth, and the driving teeth are connected with the conveying pump. The tungsten filament cold drawing device relates to the technical field of tungsten filament cold drawing, and has the beneficial effects that the arc-shaped frame is additionally arranged on the cold drawing grinding tool, and a plurality of groups of atomizing nozzles are additionally arranged in the arc-shaped frame, so that a lubricating agent can be uniformly sprayed on the surface of a tungsten filament, the cold drawing effect can be improved, and when the drawing speed is changed, the atomizing nozzles can be uniformly sprayed on the surface of the tungsten filament. Operation of the driving part can be controlled according to the drawing speed, the spraying angles of the arc-shaped frame and the atomizing nozzle can be changed by matching with the driving teeth and the driven teeth, the initial speed direction of lubricant liquid drops is closer to the axis of a tungsten filament, splashing loss is reduced, and the subsequent cold drawing effect is guaranteed.

The utility model relates to the technical field of wire electroplating, in particular to an electroplating device for a diamond wire, which comprises an electroplating box, a plating bin is arranged at one end in the electroplating box, a combination bin is arranged at the other end in the electroplating box, a first power supply is mounted at one end of the plating bin, and a fixing clamp and a connecting clamp are mounted in the plating bin. A sand feeding frame is mounted in the combination bin; a second power supply is mounted at one end of the combination bin; the electroplating device has the beneficial effects that a nickel plate can be fixedly clamped in the fixing clamp, meanwhile, a tungsten filament ring is fixed in the connecting clamp, then the nickel plate and the tungsten filament ring are both arranged in electroplating liquid in the plating bin, and then the first power supply is turned on, so that the surface of the tungsten filament ring is plated with a nickel layer; then the electroplated tungsten filament is connected with a connecting clamp in a combination bin and embedded in a sand feeding frame, a nickel plate is clamped in a fixing clamp in the combination bin, then the nickel plate and the sand feeding frame are placed in electroplating liquid in the combination bin, a second power source is turned on, and a nickel layer is continuously electroplated while sand feeding is conducted, so that the diamond particles are wrapped with the nickel layer, and the diamond particles are thickened.

The application discloses a kind of for tungsten wire wire cutting silicon wafer full-process wastewater treatment method, including cutting fluid wastewater into wastewater conditioning tank homogenization after entering anaerobic biological treatment unit, most of organic matter in wastewater is degraded and removed by anaerobic microorganism;Effluent enters fenton processing unit, part of refractory organic matter enters fenton reactor, and under the strong oxidation of hydroxyl radical, chain is broken, and fenton effluent enters comprehensive conditioning tank;At the same time, degumming and wafer cleaning wastewater adopts coagulation sedimentation and high-efficiency dissolved air flotation;Cutting fluid wastewater and degumming and wafer cleaning wastewater after respective pretreatment unit, with domestic wastewater and ROR concentrated water are mixed evenly and enter hydrolysis acidification tank;Finally, further reduce COD by aerobic microbial flora, and effluent is realized stable discharge after air floatation advanced treatment.This application has the advantages of simplifying process flow, saving investment and operating cost, improving wastewater treatment efficiency and effect, and ensuring the smooth discharge of wastewater.

The utility model relates to a double tungsten filament ion box for electrostatic oil mist purification equipment, which comprises a frame component, an ionization section and a dust collection section, the ionization section and the dust collection section are arranged in the frame component side by side, the ionization section comprises a plurality of metal plates and tungsten filament components which are sequentially and alternately arranged in parallel, the ionization section is used for charging passing air particles; the dust collection section is composed of a plurality of dust collection plates and used for adsorbing charged air particles. The double-tungsten-filament ion box is applied to the field of air purification of industrial electrostatic oil mist purification equipment and commercial kitchen fume purification equipment. Compared with a conventional ion box with a sawtooth-shaped ionization section, the double-tungsten-filament ion box provided by the utility model has the advantages that the efficiency is higher, and the ozone release amount is smaller; no sawtooth carbonization risk exists, and the service life is longer; in later maintenance, tungsten filaments are more convenient to replace than sawteeth.

A soft X-ray tube structure for electrostatic elimination and its verification method are disclosed, belonging to the field of X-ray tubes. A spherical spiral tungsten filament emitting cathode is disposed within the vacuum tube; a spherical cap-shaped beryllium anode target electrode is disposed in front of the spherical spiral tungsten filament emitting cathode, with a tungsten coating deposited on its inner surface; a spherical cap-shaped confinement electrode is disposed behind the spherical spiral tungsten filament emitting cathode; the center points of the spherical cap-shaped beryllium anode target electrode, the spherical cap-shaped confinement electrode, and the spherical spiral tungsten filament emitting cathode are spatially aligned. This design enables uniform, wide solid angle radiation of soft X-rays, thereby significantly improving the electrostatic elimination range; it effectively avoids the thermionic leakage caused by the circular tubular focusing electrode in existing technologies, thus improving the soft X-ray emission efficiency / effectiveness, and consequently improving the electrostatic elimination efficiency / effectiveness; simultaneously, it effectively avoids the reduction in the insulation performance of the vacuum tube bottom surface caused by the sputtering of thermionic electrons themselves.

The utility model provides a novel tungsten filament surface copper and tungsten sulfide particle composite plating device which comprises a plating bath, an anode plate is arranged at the inner bottom of the plating bath, a cathode rod is arranged in the middle of the inner wall of the plating bath, and the anode plate and the cathode rod can be respectively connected with an anode and a cathode of an external power supply; the two sides of the inner wall of the electroplating bath are each provided with a low-frequency sound generator, the low-frequency sound generators are connected with an external power source, and the low-frequency sound generators can emit vibration sound waves to vibrate the electroplating liquid. During use, the low-frequency sound generator is arranged on the inner wall of the electroplating bath, the low-frequency sound waves emitted by the low-frequency sound generator are used for vibrating the electroplating liquid, tungsten sulfide particles in the electroplating liquid are prevented from being gathered, the vibration frequency of the low-frequency sound waves is high, the amplitude of the low-frequency sound waves is small, and when the electroplating liquid is vibrated at a high speed, the electroplating liquid can be prevented from generating excessive oscillation; the effect of improving the electroplating uniformity of the tungsten sulfide particles is achieved, and the problem that the electroplating liquid shakes greatly is avoided.

The utility model provides a regenerated air flow generating device and a rotary dehumidifier, and the regenerated air flow generating device comprises a circulating air flow pipe which is provided with a first end and a second end which are opposite to each other, and the first end is provided with a regenerated air flow inlet; the regeneration fan is arranged at the first end of the circulating airflow pipe; and the heater is connected with the circulating airflow pipe and comprises a heating box, a plurality of PTC heating bodies arranged in the heating box side by side and a fixing frame used for fixing the PTC heating bodies in the heating box. According to the regeneration air flow generating device, the PTC heating bodies are arranged in the heating box side by side, the PTC heating bodies are adopted as heating elements, the safety performance is good, heating is uniform, the phenomenon that the surface is reddish like a tungsten filament is avoided, and a shielding part does not need to be arranged in a gap corresponding to the machine shell to shield light emitted by the tungsten filament; the PTC heating bodies are fixedly installed in the heating box through the fixing frames, installation is easy and convenient, and rapid assembly is facilitated.

The utility model discloses a tungsten filament processing device of a silicon nitride heating element, which relates to the field of silicon nitride heating elements and comprises a base, and traveling wheels are connected to the bottom of the base close to four corners. The two grooved wheels at the bottom are driven to rotate in different directions, so that the grooved wheels can drive the two threaded rods to move towards the adjacent ends, and when the two threaded rods move towards the adjacent ends, the two arc-shaped electric heating plates can be driven to be folded through the two driving plates; in this way, the effect of conveniently adjusting the distance between the two arc-shaped electric heating plates is achieved, and therefore a worker can conveniently adjust the distance between the two arc-shaped electric heating plates; in this way, the two arc-shaped electric heating plates can be quickly adjusted to the positions where the two arc-shaped electric heating plates tend to make contact with tungsten filament discs of different specifications fixed to the base, so that the two arc-shaped electric heating plates can better conduct heat treatment work on the tungsten filament discs of different specifications fixed to the base, and then actual use is facilitated.

The utility model provides a vacuum coating device which comprises a vacuum cavity, electrode rings, a tungsten filament funnel and a sample tray are arranged in the vacuum cavity, two electrode rings are coaxially fixed in the vacuum cavity up and down, a gap is reserved between the two electrode rings, and the two electrode rings are respectively and electrically connected with two electrodes of a power supply; more than two tungsten filament funnels are uniformly arranged along the inner circumference of the electrode rings, each tungsten filament funnel is of a funnel-shaped structure formed by winding tungsten filaments, each tungsten filament funnel is provided with two terminals, and the two terminals of each tungsten filament funnel are electrically connected with the two electrode rings respectively; the sample tray is located on the central axis of the electrode ring and does not make contact with the electrode ring, and when a to-be-coated product is placed on the sample tray, the tungsten filament funnels are just evenly distributed on the periphery of the to-be-coated product. According to the device, the plurality of evaporation sources are annularly arranged through the plurality of tungsten filament funnels arranged on the two electrode rings, so that a product to be coated is uniformly coated under the surrounding of the plurality of evaporation sources.

The invention relates to a tungsten filament wire cutting liquid for a large-size silicon wafer and a preparation method and application of the tungsten filament wire cutting liquid, and the tungsten filament wire cutting liquid comprises the following components in parts by weight: 40-60 parts of deionized water; 7-15 parts of a solubilizer; 10 to 20 parts of a wetting agent; 2-8 parts of a lubricant; and 1-8 parts of a dispersant. The dispersing agent adopted by the invention can permeate into the silicon powder to achieve good dispersity, and the wetting permeability of the dispersing agent can achieve a synergistic effect with the wetting agent, so that the cutting force is improved, and the wire breakage rate is reduced.

The invention relates to microwave oven magnetic control coil laser cutting forming equipment and a forming process, and belongs to the technical field of magnetic control coil machining, the microwave oven magnetic control coil laser cutting forming equipment comprises a laser cutting machine, a cutting control assembly is detachably connected to a workbench of the laser cutting machine, and the cutting control assembly comprises a platform surface, a feeding end and cutting end tungsten filament clamping device, a supporting rod and an electric linear module. Each clamping device comprises a circular plate with a through hole, a plurality of tungsten filament clamping pieces and a clamping control assembly, and the clamping control assembly controls the tungsten filament clamping pieces to slide in the radial direction of the circular plate so as to clamp or loosen the spiral tungsten filament; the spiral tungsten filament is arranged on a supporting rod in inserted connection with a through hole of the feeding end circular plate in a sleeving mode, the electric linear module is connected with the feeding end circular plate, and a first motor on the platform face drives the cutting end clamping device to rotate. Full-process automatic operation of the spiral tungsten filament is achieved, the machining efficiency is improved, the labor intensity is reduced, the notch angle can be automatically adjusted, and the product application range is widened.

The invention discloses a wire conduction structure in a tungsten filament winding support process, and relates to the field of tungsten filament wire conduction, the wire conduction structure specifically comprises a wire conduction frame and a winding machine installed in the middle of the wire conduction frame, the wire conduction frame is provided with an inlet traction bottom plate on the left side of the winding machine, and the wire conduction frame is provided with an outlet traction bottom plate on the right side of the winding machine; in the rigid assembly conveying process, a lifting plate initially supports a stable initial state, a piston plate pushes a traction head to synchronously clamp to ensure uniform stress and reduce shaking, an electric push rod timely adjusts the position of the lifting plate to avoid collision, a bottom limiting roller and a side limiting roller constrain the assembly from the bottom and the side, and stable conveying is ensured through multiple measures; the air cylinder is matched with the regulation and control plate to achieve equal-distance movement and can be circularly operated, the process is coherent, continuity is guaranteed, the cooling valve is opened after equal-distance movement, gas is blown to the joint through the cooling pipe, heat is reduced, deviation of the limiting ring caused by thermal deformation is prevented, position accuracy is guaranteed, and product quality is improved.

The utility model discloses a transverse passive type self-adaptive pay-off machine which comprises a pay-off supporting plate, a double-end threaded shaft is horizontally and fixedly connected to the side wall of the top face of the pay-off supporting plate, an I-shaped wheel is arranged on the double-end threaded shaft in a sleeved mode, and the end, away from the pay-off supporting plate, of the double-end threaded shaft is in threaded connection with a wire passing wheel shaft. The rotatable rotating block is arranged, the second guide wheel and the first guide wheel are carried on the rotating block through the rear end paying-off supporting rod and the front end paying-off supporting rod, during paying-off, a tungsten filament is guided out from the second guide wheel and the first guide wheel, and after the tungsten filament is subjected to traction force, the stress of the front end paying-off supporting rod is changed according to the change of the front end traction speed, so that the tungsten filament is prevented from falling off. The traction force generated by rear-end paying-off can be changed, so that the stress of the rear-end paying-off supporting rod is changed, the rotating speed of the rotating block is increased or decreased and matched with the borne traction force, self-adaptive adjustment is achieved, the pulling force of the traction force on the tungsten filament is reduced, the filament breaking condition is avoided, and the tungsten filament paying-off device is more practical.

The utility model provides novel tungsten wire surface copper alloy electroplating equipment which comprises an electroplating bath, and an anode plate is arranged at the inner bottom of the electroplating bath; an isolation plate is arranged in the electroplating tank to divide the electroplating tank into an upper chamber and a lower chamber, and a plurality of rows of communicating holes are formed in the isolation plate at equal intervals; an air supply pipe is arranged at the bottom of the isolation plate, a plurality of vertically downward air distribution pipes are arranged on the air supply pipe, all the air distribution pipes are communicated with the air supply pipe, and an air compressor is arranged at a pipe opening of the air supply pipe. During use, the interior of the electroplating bath is divided into an upper cavity and a lower cavity by arranging the isolation plate in the electroplating bath, meanwhile, the air supply pipe is arranged at the bottom of the isolation plate to be connected with the air compressor, the multiple vertically-downward air distribution pipes are arranged on the air supply pipe, and air flow is output into the electroplating bath through the air compressor so that electroplating liquid can be stirred in a floating mode; and the floating force of the electroplating liquid is isolated by the isolation plate, so that the effect of protecting the tungsten filament while improving the uniformity of the electroplating liquid is achieved.

The utility model belongs to the technical field of hot melting welding, and particularly relates to a hot melting forming assembly and a hot melting forming device for an X-ray tube filament, which comprise a welding unit and a discharging unit, the welding unit comprises a first driving motor, a sliding guide rail and a welding head; the output end of the first driving motor is connected with a welding head which is slidably arranged on the sliding guide rail. The discharging unit comprises a base, a material frame mold and a feeding air cylinder set. The material frame mold is arranged at the output end of the feeding air cylinder set, and the feeding air cylinder set is arranged on the base. The material frame mold is used for loading the tungsten filament and the hot melting welding material, and the welding head faces the material frame mold. Compared with the prior art, the welding device solves the problem that in the prior art, a welding device is not suitable for hot melting welding of the X-ray tube filament, and the scheme achieves hot melting welding of the tungsten filament in the X-ray tube.

The utility model discloses a tungsten filament cleaning machine, and belongs to the technical field of tungsten filament cleaning equipment. The cleaning equipment comprises a pair of mounting brackets, and the mounting brackets are arranged left and right and are positioned on the supporting plate above the lower layer; the cleaning liquid spraying pipe sets are arranged on the front portion and the rear portion of the upper layer respectively and fixed between the mounting supports; the cleaning roller set is located between the cleaning liquid spraying pipe sets, the left side and the right side of the cleaning roller set are fixed to the mounting support, the cleaning roller set is provided with at least four sets of cleaning rollers, and rollers in each set of cleaning rollers are vertically arranged up and down; the auxiliary cleaning roller part is arranged at the upper part and / or the lower part of the cleaning roller group and is provided with at least two auxiliary cleaning rollers; the auxiliary cleaning roller part is fixed between the mounting supports, pneumatic jacking mechanisms are arranged at the two ends of the auxiliary cleaning roller part respectively, and the auxiliary cleaning roller part makes close contact with the cleaning roller set through the pneumatic jacking mechanisms. According to the tungsten filament cleaning machine, the auxiliary cleaning roller set is arranged on the upper portion or / and the lower portion of the cleaning roller set so that oil stains on the cleaning rollers can be completely sucked away, and damage to all parts cannot be caused.

The application belongs to the technical field of industrial wastewater treatment and resource recovery, and particularly relates to a method for efficient treatment and recovery of graphite milk waste liquid for tungsten wire production, comprising the following steps: S1, adding a composite flocculating agent to the graphite milk waste liquid for stirring, flocculation, standing and filtration to obtain first clear liquid and first precipitate; S2, adding N-TiO2 / graphene quantum dot composite catalyst to the first clear liquid for photocatalytic degradation to obtain second clear liquid; S3, adding magnetic Fe3O4@SiO2 nanoparticles to the second clear liquid for stirring and magnetic field separation to obtain third clear liquid; S4, ultrasonic cleaning and vacuum filtration are performed on the first precipitate to obtain second precipitate; and S5, low-temperature pyrolysis is performed on the second precipitate to obtain modified graphite powder and pyrolysis tail gas. The application forms a full closed-loop process of "wastewater treatment-water resource circulation-graphite high-value recovery-tail gas discharge up to standard", conforms to the development trend of green chemical industry, and simultaneously reduces environmental protection risks and operation costs.

The utility model discloses a high wear-resistant outer sleeve, which relates to the technical field of outer sleeves, and comprises an outer layer pipe, a hexagon nut is arranged in the middle of the outer layer pipe, a waterproof coating is arranged on the outer side surface of the outer layer pipe, a wear-resistant component is arranged on the inner wall of the outer layer pipe, the wear-resistant component comprises a ceramic inner layer, and a ceramic outer layer is arranged on the ceramic inner layer. Outer protruding blocks are arranged on the outer side surface of the ceramic inner layer, inner protruding blocks are installed on the inner wall of the ceramic inner layer, a reinforcing layer used for enhancing the strength of the ceramic inner layer is arranged in the middle of the ceramic inner layer, a wedging groove is formed in the inner wall of the outer layer pipe, and a lining layer is arranged in the middle of the ceramic inner layer. A wedging groove is formed in the surface of the outer side of the lining layer. According to the utility model, the oxidation tungsten filament enhancement layer is embedded in the ceramic inner layer, and the high toughness and dynamic damping effect of the oxidation tungsten filament are utilized, so that the vibration energy is effectively absorbed, the stress amplitude of the ceramic inner layer is reduced, and crack initiation is prevented.