175 results about "Machining fluid" patented technology

A hybrid powerplant is provided for an aircraft. This hybrid powerplant includes a housing, an electric machine, a machine fluid circuit, a heat engine and a geartrain. The housing includes a machine containment zone and an engine compartment outside of the machine containment zone. The electric machine is arranged within the machine containment zone. The machine fluid circuit services the electric machine. The machine fluid circuit extends in the machine containment zone and is arranged outside of the engine compartment. The heat engine is arranged within the engine compartment. The geartrain is operatively connected to the electric machine and the heat engine.

A centralized processing system for cutting fluid comprises a machine tool application end, a single-machine fluid tank, a fluid return pipeline, a fluid supply pipeline, a master station fluid tank, a master station electric cabinet, a sub-electric cabinet and a communication line. Cutting fluid of multiple machine tools in a workshop can be concentrated together for diversified and deep treatment, the cutting fluid treatment quality is greatly improved, and the machining quality of the machine tools is guaranteed; the system can automatically carry out liquid supplementing and liquid changing, the maintenance frequency of workers is reduced, and the downtime is shortened; the cutting fluid can be kept flowing in holidays, the cutting fluid is prevented from going bad due to long-term standing, the service life of the cutting fluid is prolonged, and the production cost is reduced.

The invention discloses a circulating device. The circulating device comprises a material barrel, an infusion pump and a return pipe, and the material barrel is filled with working fluid; the lower part, with a liquid inlet, of the infusion pump is inserted into the charging basket and is positioned below the liquid level; a liquid outlet is formed in the upper part of the infusion pump; one end of the backflow pipe is communicated with a liquid outlet of the infusion pump, the other end of the backflow pipe is connected with the side wall of the bottom of the material barrel and communicated with the interior of the material barrel, and at least one part of liquid pumped by the infusion pump enters the bottom of the material barrel through the backflow pipe. According to the circulating device, the pumped-out machining liquid flows into the bottom of the material barrel through the backflow pipe, so that the machining liquid in the bottom of the material barrel is in a flowing state, the probability that the machining liquid at the bottom of the material barrel settles is reduced, the bottom settling phenomenon is reduced, and the machining effect and the product machining yield are improved.

The invention discloses an anti-rust tool and an anti-rust method used between metal part working procedures, and solves the problems that according to an existing automobile part anti-rust method, various machining media such as machining oil and machining liquid on the surface of an automobile part are cleaned, additional working procedures and working hours are increased, and the anti-rust cost is increased. According to the method, the part is cleaned through the water cutting agent firstly, then oil coating and rust prevention are conducted, rust prevention can be achieved for one month between procedures, and the appearance quality of the part is guaranteed. The corrosion rate of a trial-manufactured new product is reduced from 80% to 0.35%, corrosion is effectively inhibited, and product delivery is guaranteed. According to the anti-rust tool and the anti-rust method, the working procedures and working hours of transferring and cleaning before oil coating are reduced, operation is conducted in the part machining gap, convenience and rapidness are achieved, no extra personnel is added, cleaning and water cutting of the parts between the working procedures can be rapidly achieved, oil coating and rust prevention are achieved, and the anti-rust tool and the anti-rust method are suitable for rust prevention of the automobile parts.

The present invention relates to the technical field of hydraulic cylinder processing. The present invention provides an automatic processing equipment for the cylinder barrel of a hydraulic oil cylinder, which includes a CNC lathe body, a tailstock is arranged inside the CNC lathe body, and also includes a chuck, a coaxial clamping assembly, an adjusting assembly, a rotating cylinder and a grinding assembly. The chuck is arranged inside the CNC lathe body, and the chuck includes an inner chuck and an outer chuck. The outer chuck is fixed and coaxially installed on the outside of the inner chuck. The inner chuck is coaxially fixedly connected to the tail end of the main shaft of the CNC lathe body. The coaxial clamping assembly is arranged inside the inner chuck and the outer chuck, and the adjusting assembly is arranged inside the inner chuck and the outer chuck. The rotating cylinder is rotatably installed at the end of the tailstock, and a conical top block is detachably installed at the end of the rotating cylinder. The grinding assembly is installed inside the tailstock. Through the above technical scheme, the technical problem in the prior art that when processing the cylinder barrel of a hydraulic cylinder, the clamping positions are different when processing the outer circle and the inner hole respectively, which makes it difficult to ensure good coaxiality is solved.

The utility model discloses a cooling liquid diversion protection clamp in cutter machining, which comprises a base, the base is connected to a machining table through screws, the upper end face of the base is fixedly connected with a positioning piece, the positioning piece is connected with a clamping supporting piece, the top of the clamping supporting piece is provided with a clamping pressing piece, the top of the clamping supporting piece is provided with a first V-shaped groove, and the clamping pressing piece is provided with a second V-shaped groove. The clamping and pressing piece comprises a top plate, screws and a pressing block, a second V-shaped groove is formed in the bottom of the pressing block, the clamping and supporting piece is provided with a protective cover, the base is of a cavity structure, a through groove is formed in the edge of the bottom, a liquid return pipe is inserted into one end of the base, a supporting seat is fixed to the bottom, and the clamping and supporting piece is connected with the positioning piece and the top plate in a matched mode through the screws and clamping grooves. A guide groove is formed in the first V-shaped groove, and the screw is rotationally connected with the lower pressing block through a rotating base. And rotation interference of the lower pressing block is avoided, the clamping precision is improved, the cooling liquid recycling function is achieved, machining liquid is prevented from overflowing to pollute the environment, and meanwhile the use safety is improved through a protective cover.

A system and method set a liner hanger in a borehole by actuating a hydraulic setting mechanism on the hanger to engage slips in the borehole. A setting tool runs the hanger into position. A reserve volume of the tool holds a clean fluid separate from the borehole. A piston of the tool has a tool volume for the fluid. During run in, pressure in the tool volume is balanced to hydrostatic pressure by drawing actuation fluid from the reserve volume to the tool volume through a check valve. To set the hanger, a plug is engaged on a seat in the tool, tubing pressure is applied behind the engaged plug, and the seat is unlocked. With more applied pressure, the piston moves, reduces the tool volume, and intensifies pressure of the clean fluid communicated to the hanger's setting mechanism. Over-pressure can be handled by a venting valve.

An electric discharge machine includes an electric discharge machining unit that performs electric discharge machining on a workpiece in a machining liquid, and a filter that removes sludge contained in the machining liquid, and in a case where the workpiece is made of an aluminum-based material, the electric discharge machining is performed using a machining liquid whose specific resistance value becomes a prescribed value or less by adding an agent, the prescribed value being a value of 30,000 [Ωcm] or less.

The utility model discloses an efficient metal working fluid cooling device, which belongs to the technical field of metal working and comprises a cooling fluid tank. The spraying assembly comprises a sliding ring and a spraying column, the sliding ring is movably arranged on the spraying column in a sleeving mode, and the spraying column communicates with the cooling liquid box; the adjusting assembly comprises a belt moving disc, a telescopic rod and a moving rod; according to the utility model, the belt moving disc, the telescopic rod and the moving rod are arranged, so that a worker horizontally moves the moving rod towards the direction close to or far away from a cutter and a workpiece in the metal processing process; at the moment, the belt moving disc drives the telescopic rod to move and be compressed; when the telescopic rod is compressed to the maximum extent, the telescopic rod begins to be stretched; the sliding ring slides in the axial direction of the spraying column. And gradually, the intervals between the multiple sliding rings are increased or decreased, the multiple spraying columns are dispersed or concentrated, then the machining liquid is sprayed to the tool and the workpiece in a dispersed or concentrated mode through the spraying columns, operation is easy, the spraying columns do not need to be adjusted after equipment is shut down, and the operation efficiency is improved.

An engraving electric discharge machine (100) is provided with: a main shaft (1); a machining electrode (5) which is detachably mounted on the main shaft (1) and which machines the workpiece (16) by means of non-contact discharge on the workpiece (16) placed in an insulating machining liquid; an imaging device (3) that is detachably mounted on the main shaft (1) so as to be replaceable with the machining electrode (5), images the workpiece (16) that has been machined by the machining electrode (5), and acquires imaging data indicating the shape of the workpiece (16) that has been machined; a contact detection unit (70) that is connected to the main shaft (1) and detects the contact when the imaging device (3) is in contact with the workpiece (16) when the imaging device (3) is mounted on the main shaft (1); and an NC device (72) for controlling the movement and stop of the main shaft (1), the NC device (72) emergently stopping the movement of the main shaft (1) when the contact detection unit (70) detects the contact. The user inspects the shape and size of the workpiece (16) on the basis of the captured data.

The invention discloses a detection device with an impurity filtering function for metal working fluid production, and relates to the technical field of metal working fluid detection.The detection device comprises a shell, a temperature adjusting device, a test device and a filter screen, a temperature adjusting cavity and a detection cavity are formed in the shell, the temperature adjusting device is arranged in the temperature adjusting cavity, the test device is connected with the detection cavity, and the filter screen is arranged in the detection cavity. The temperature adjusting cavity and the detection cavity are sequentially arranged in the conveying direction of the metal working fluid, and the filter screen is connected with the temperature adjusting device. The shell serves as a main installation foundation, in the production and machining process of the metal working fluid, the produced metal working fluid is guided into the temperature adjusting cavity, automatic temperature adjusting is conducted firstly, the situation that the detection precision of the lubricity is influenced by temperature fluctuation is prevented, after automatic temperature adjusting, the metal working fluid is fed into the detection cavity, the lubricity of the metal working fluid is automatically detected through the testing device, and the detection precision of the lubricity is improved. And the filter screen is fixed through the temperature adjusting device, so that impurities in the metal working fluid are automatically filtered, and the impurities are prevented from entering the detection cavity to influence the detection precision of the lubricity.

The invention discloses a manufacturing method of a hydraulic tool holder with a combined sealing structure, belonging to the technical field of hydraulic tool holder processing, and solving the problems that the elastic sleeve of the existing hydraulic tool holder is hermetically fixed in the inner cavity of the tool holder body by an integral welding method, resulting in high processing difficulty, high cost, and difficulty in detecting the qualification rate. The method is to first press the elastic sleeve into the tool holder body; then press one end of the elastic sleeve in an interference fit in the inner cavity of the tool holder body; and finally hermetically fix the other end of the elastic sleeve to the tool holder body. The manufacturing method of the hydraulic tool holder of the invention can realize the processing of the hydraulic tool holder with high efficiency and high controllability by using conventional equipment.

The application relates to the field of connector manufacturing devices, and discloses a manufacturing device for an electric connector, which comprises a track and a machining groove located below the track, a central shaft is arranged below the track, the outer surface of the central shaft is provided with a plurality of hanging rods arranged in a ring array and used for placing workpieces, a control assembly for driving the central shaft to move is arranged on the track, and an adjusting assembly is arranged between the control assembly and the central shaft. Through cooperation between the central shaft, the control assembly, the adjusting assembly and the hanging rods, the workpiece can be lowered into the machining groove to complete machining, the workpiece can also be rotated in the machining groove to improve the electroplating effect, and the workpiece can also be self-rotated after being lifted and reset, so that the machining liquid on the hanging rods and the workpiece is prevented from remaining, the machining liquids in different workstations in the machining groove are prevented from influencing each other, and the overall electroplating quality can be further ensured to be reliable.

The invention relates to the technical field of numerical control machine tools, in particular to a mechanical-hydraulic coupling driving cutting stability enhancement and process parameter collaborative design method and system, a machine tool hydraulic coupling dynamic model is constructed, and cutting process parameters and hydraulic pressure vibration suppression system control parameters are collaboratively optimized by adopting a multi-objective optimization algorithm based on the coupling dynamic model. According to the method, the limit cutting depth and the vibration suppression amplitude value are maximized at the same time, cutting force and vibration signals are collected in real time in the machining process according to the optimization result, dynamic stability control over the cutting process is achieved, online correction process parameters and vibration suppression parameters are fed back based on the real-time control effect, and a closed-loop collaborative optimization control strategy is formed. A dynamic, active and self-adaptive cutting stability enhancing system is constructed through mechanical-hydraulic coupling driving and collaborative optimization design, and a brand-new systematic solution is provided for realizing stable, efficient and high-precision machining in a wider process window through deep collaboration of the process and control.

The utility model discloses a machine tool liquid internal circulation shunting device which comprises a fixed Y-axis water tank, a movable Y-axis water tank installed in the fixed Y-axis water tank, an X-axis water tank arranged at one end of the movable Y-axis water tank and a driving device used for pushing the movable Y-axis water tank to move. The other end of the movable Y-axis water tank is provided with a third water outlet which is in alternate butt joint with the first water outlet and the second water outlet, one end of the X-axis water tank is in butt joint with the machine tool water outlet, and the other end of the X-axis water tank is always kept above the movable Y-axis water tank. The movable Y-axis water tank is pushed by the driving device to slide in the fixed Y-axis water tank, so that the third water outlet can be alternately in butt joint with the first water outlet and the second water outlet for water drainage, machining liquid and cleaning liquid of the machine tool are recycled, and the situation that the performance effect is greatly reduced due to mixed use of different liquids of the machine tool is avoided; and the recycling times can be increased, and the use cost is reduced.

The invention discloses a CRDM tube socket external thread positioning and electric spark machining device, method and system, and relates to the technical field of nuclear power plant CRDM tube socket external thread machining. The machining device comprises a driving platform assembly, a machining liquid tank, an electrode driving device, an electrode set and a clamping assembly. Two electrode sets are arranged in the machining fluid tank and used for conducting formed thread rough machining and formed thread finish machining on a pipe base to be machined respectively, and each electrode set comprises two semi-separated thread electrodes oppositely arranged in the radial direction of the machining fluid tank. Four electrode driving devices are arranged between the driving platform assembly and the machining fluid tank, and each electrode driving device is connected with the corresponding semi-separation type thread electrode and used for driving the semi-separation type thread electrode to move in the radial direction of the machining fluid tank. According to the invention, the stability, the success rate and the efficiency of positioning work can be improved, and the efficiency and the precision of machining the external threads of the tube socket can be improved.

The invention provides a double-liquid-tank type electric spark electrolysis ultrasonic combined machining machine tool which is characterized in that a workbench is fixed on a machine body, and an electric spark machining head and an electrolytic machining head which are used for machining a workpiece are arranged on the machine body; the first machining fluid tank and the second machining fluid tank are arranged on the base in a reciprocating mode in the horizontal direction and the vertical direction, and when the first machining fluid tank and the second machining fluid tank horizontally move to the machining position and vertically ascend and descend, the workbench can be allowed to stretch into the first machining fluid tank and the second machining fluid tank. When the working table extends into the first machining liquid tank or the second machining liquid tank, the working table serves as the tank bottom of the first machining liquid tank or the second machining liquid tank to define a machining tank structure, and electrolyte or electric spark machining liquid capable of completely immersing a workpiece can be reserved in the machining tank structure. Rapid switching between a to-be-machined position and a machining position can be achieved, different machining procedures can be connected without re-clamping of a workpiece, the time for halting for workpiece replacement and positioning calibration is shortened, and the production efficiency is improved.

The utility model provides a low-speed wire cutting machine tool working fluid circulation purification device, which relates to the technical field of circulation purification devices and comprises a low-speed wire cutting machine tool, a fluid drainage window, a dirty fluid collection tank body, a swirler, a clear fluid heat preservation box, a filter, a constant temperature control structure, a water pump and a heat preservation structure. The waste liquid collecting tank body is used for collecting waste liquid generated when the low-speed wire cutting machine cools machining materials, then large-mass impurities in the waste liquid in the waste liquid collecting tank body are preliminarily separated through the hydrocyclone, and then fine filtering is conducted on the waste liquid with the large-mass impurities preliminarily removed through the filter to remove fine impurities. And then the filtered water is guided into the clear liquid heat preservation box for temporary storage, the constant temperature control structure is used for controlling the temperature of the working fluid in the clear liquid heat preservation box to be constant through heating or refrigerating, and the situation that the material cooling machining quality is affected due to temperature fluctuation during cooling use is avoided.

The utility model belongs to the technical field of polishing solution production, and particularly relates to a polishing solution production device which comprises a main body, a polishing solution conveying device and a polishing solution conveying device. One side of the top of the main body is provided with the liquid material bin, and the other side of the top of the main body is provided with a material bin which is used for storing liquid materials and solid materials respectively; the stirring assembly is arranged in the processing cavity and used for mixing and stirring the materials; and the weighing assembly is arranged in the liquid material bin and the material bin and used for weighing and discharging the materials. According to the device, by means of the weighing assembly and the grinding effect of the weighing assembly, solid materials can be rapidly discharged, meanwhile, the materials are rapidly ground and smashed, the situation that the materials are difficult to mix due to caking and the like is prevented, the materials can be further mixed more orderly and fully by means of the stirring assembly, and the mixing efficiency is improved. The production efficiency of the device is improved.

The invention discloses metal cooling liquid for titanium alloy cutting machining and a preparation method of the metal cooling liquid, and belongs to the technical field of metal machining liquid. The cooling liquid consists of the following components in percentage by mass: 20-30% of base oil, 0.5-1.5% of surface-modified hexagonal boron nitride nanoparticles, 15-25% of a compound emulsifier, 5-10% of an extreme pressure lubricant and the balance of other auxiliaries and water, wherein the composite emulsifier is a compound of polyoxyethylene oleyl alcohol ether and phosphate, nano h-BN is dispersed in an oil phase through reverse phase titration emulsification, then a water phase is slowly dropwise added into the oil phase for emulsification, enrichment of h-BN nano particles on an oil-water interface is remarkably promoted, and therefore the lubricity, the cooling efficiency and the stability of the cooling liquid are greatly improved. The cooling liquid prepared by the invention can effectively reduce the cutting temperature and the friction coefficient, remarkably prolong the service life of a cutter and improve the surface quality of a workpiece, and is environment-friendly in formula and long in service life.

The application relates to the technical field of machine tool fault diagnosis, and discloses an electric spark machine tool fault diagnosis method and system, an electric spark machine tool fault diagnosis method, which comprises the following steps: step S101, obtaining an electric conductivity characteristic quantity and a machining liquid characteristic quantity through pretreatment; step S102, obtaining a balance coefficient by executing a micro-process stimulation on the machine tool; step S103, obtaining an equivalent coupling driving vector through calculation; step S104, obtaining a hysteresis characteristic quantity through calculation; and step S105, obtaining the running state of the electric spark machine tool through a fault diagnosis model. According to the application, the electric conductivity and the machining liquid characteristic quantity are obtained through orthogonal decoupling, the balance coefficient is obtained by combining the micro-process stimulation, the equivalent coupling driving vector is constructed, and the hysteresis characteristic quantity is extracted, so that the running state of the electric spark machine tool can be accurately diagnosed, targeted maintenance strategies can be provided for different fault types, the blindness of maintenance can be avoided, the fault disposal efficiency can be greatly improved, and the risk of equipment damage can be reduced.

The utility model discloses metal working fluid recycling equipment which comprises a recycling box and a filtering mechanism installed in the recycling box, a filtering net is fixedly arranged on the inner wall of a supporting frame, a collecting box is arranged on the inner wall of an installation groove in a penetrating and inserting mode, limiting sliding grooves are formed in the upper ends of the two sides of the inner wall of a flowing groove, and scraping plates are arranged on the inner walls of the two limiting sliding grooves in a sliding mode. Electric telescopic rods are fixedly arranged on one sides of the inner walls of the two limiting sliding grooves correspondingly, and connecting rods are rotationally arranged at the two ends of one side of the inner wall of the flowing groove correspondingly. According to the metal working fluid filtering device, metal working fluid is filtered through the filtering mechanism, after filtering is conducted for a period of time, a hydraulic rod is started to be matched with a connecting rod to lift a supporting frame in the period of injecting new working fluid, an electric telescopic rod pushes a scraping plate to push impurities on a filter screen into a collecting box, and then simple cleaning can be conducted, and the situation that filtering cannot be conducted due to later blocking is prevented; and meanwhile, manual cleaning of workers is not needed, the operation burden of the workers is reduced, and meanwhile the recycling efficiency is improved.

Machining systems, fluid distribution systems, and methods are provided by the present disclosure. Certain aspects relate to fluid distribution using manifolds comprising one or more nozzles for fluid distribution. Some such manifolds may moved between an extended and retracted configuration to place a machining tool of a machining system in an interior opening of the manifold for delivery of a machining fluid to the machining tool and / or an associated machining interface from the manifold. Some aspects relate to adaptive control of fluid distribution systems and machining systems in order to improve machining.

The utility model relates to the technical field of quartz round rod processing, in particular to a quartz round rod angle processing device which comprises a rack, a displacement plate capable of displacing along the rack is arranged in the rack, a plurality of placing plates are arranged on the displacement plate and can be used for placing quartz round rods, a connecting frame connected with the rack is arranged on the rack, and the connecting frame is connected with the rack. A displacement block which is connected with the connecting frame and can move is arranged in the connecting frame, a machining part which can move and can machine the quartz round rods on the containing plate is arranged below the displacement block, and a water supply box which can provide machining liquid when the quartz round rods are machined is arranged in the machining part; a collecting cavity capable of collecting working fluid is formed in the machine frame, a filtering box capable of filtering the working fluid is arranged in the collecting cavity, and the filtered working fluid in the collecting cavity can circularly flow into the water supply box.

The utility model relates to the technical field of aluminum alloy shell processing, and discloses a processing liquid settling tank for processing an aluminum alloy shell, which comprises a mounting box and a guide plate fixed on one side of an inner cavity of the mounting box, and further comprises fixing rods rotationally arranged at two positions on the other side of the inner cavity of the mounting box, and filter plates fixedly connected with the surfaces of the fixing rods; through the cooperation of the two filter plates, processing liquid can be filtered in a multi-stage mode, so that the filtering effect is improved, under the cooperation of the cam and the torsion spring, the filter plates can shake and clear away chippings of the filter plates, so that the filtering effect of the filter plates on the processing liquid is improved, and meanwhile under the cooperation of the collecting mechanism, the filtering effect of the filter plates on the processing liquid is improved. According to the settling tank for aluminum alloy machining, chips on the surface of the filtering plate can be collected, the chips can be conveniently taken out, machining of aluminum alloy is not affected, and the problems that when an existing settling tank is used, the filtering effect on machining liquid is poor, and the chips are inconvenient to take out are solved.

Provided is a machining tool system configured to be utilized in an environment in which a hydraulic fluid and a processing fluid are mixed, in which a water-soluble material that does not contain an oil-soluble materials derived from a mineral is used for the hydraulic fluid and the processing fluid (collectively, the “fluids”). The machining tool system includes: collecting means for collecting the fluids after a lubricating effect ends while being mixed, the collecting means being disposed downstream of a lubricating flow path of the machining tool; a discharging container communicating with the collecting means and storing the fluids; and circulating means for suctioning the fluids inside the discharging container without separation into oil and water from an inlet port in the discharging container at a position separated from a bottom portion and returning the fluids to a supply flow path of the processing fluid and / or the hydraulic fluid.

Provided is a machining apparatus capable of improving the life of tools used for machining. A machining apparatus is provided with an emulsion diameter expansion device (3) and a supply device (4). The emulsion diameter expansion device (3) applies negative pressure, shear force, or collision force to a processing fluid (PF) containing emulsion particles to expand the diameter of the emulsion particles. The supply device (4) supplies the processing fluid (PF), in which the particle diameter of the emulsion particles has been expanded by the emulsion diameter expansion device (3), to a processing point (P0), which is a contact point between a workpiece (W) and a tool (1) during machining.

This electric discharge machine is provided with: a discharge machining unit that performs electric discharge machining on a workpiece in a machining fluid; and a filter that removes sludge contained in the machining fluid. When the workpiece is made of an aluminum-based material, electric discharge machining is performed using a machining fluid in which the specific resistivity has been reduced to a prescribed value or less due to addition of a chemical agent, and the prescribed value is equal to or less than 30,000 [Ωcm].

The application belongs to the technical field of iron phosphate solution mixing equipment, and discloses a machine-fluid double stirring device for efficiently mixing iron phosphate solution, which comprises a mixing cylinder body, wherein the mixing cylinder body is connected with a feeding port, a gas outlet, a discharging port, a cylinder cover body, a first box body, a second box body and a support frame; the gas outlet is communicated with a pneumatic assembly through a tee pipe; the discharging port is connected with a control valve; the first box body is connected with a liquid pumping assembly, a motor and a transmission belt set; the liquid pumping assembly comprises an eccentric wheel, a sleeve and a piston rod set; the transmission belt set is connected with a stirring rod set; the sleeve is communicated with a first conduit; the piston rod set is connected with a connecting rod; the eccentric wheel is provided with a groove; and the connecting rod is in sliding abutment with the groove. The stirring rod and the liquid pumping assembly are used for mechanically stirring and hydraulically stirring the solution in the mixing cylinder body, and the two simultaneously act on the solution, so that the mixing efficiency of the solution in the preparation process of the iron phosphate solution is high, the uniformity is good, the production cost is effectively controlled, and the quality and performance of the final product are ensured.

The utility model discloses a high-pressure jet vacuum valve which comprises a valve body and an afflux pipe, the valve body is provided with a liquid inlet section, a communication chamber, a jet section and a liquid outlet section which are communicated in sequence, liquid is input from the liquid inlet section and enters a liquid inlet pipe, and due to the fact that the inner diameter of the liquid inlet pipe is reduced, the liquid is jetted out from the liquid inlet pipe at a high speed and enters the jet section. Local vacuum is formed in the communicating chamber, so that the liquid in the converging pipe is sucked under the action of negative pressure, and the mixed liquid is output from the liquid outlet section. The utility model further provides a metal working fluid circulating system, which utilizes the high-pressure jet vacuum valve, adopts the Bernoulli principle, conveys the metal working fluid to purification equipment, sucks away the metal working fluid at a cutter of the machining equipment, improves the circulating efficiency of the metal working fluid, and saves energy consumption at the same time. The utility model further provides a metal working fluid circulating system comprising the high-pressure jet vacuum valve.