50 results about "Metalworking fluid" patented technology

The invention relates to the technical field of metal working fluids, in particular to a degradable environment-friendly vegetable oil-based semi-synthetic cutting fluid and a preparation method thereof. The cutting fluid comprises 20-30 parts of vegetable lubricating oil, 10-20 parts of an alkali storage agent, 2-5 parts of a corrosion inhibitor, 3-5 parts of a coupling agent, 5-8 parts of a surfactant and 6-11 parts of a composite anti-rust agent, the composite anti-rust agent comprises an anti-rust agent A and an anti-rust agent B, the anti-rust agent A comprises N-[3-(dimethylamino) propyl]-N, N-dimethylformamide, and the anti-rust agent B comprises N-[3-(dimethylamino) propyl]-N, N-dimethylformamide. The antirust agent A comprises at least one of N, N ', N'-trimethyl-1, 3-propanediamine, benzotriazole, sebacic acid and 2, 4, 6-tri (aminocaproic acid)-1, 3, 5-triazine, and the antirust agent B comprises at least one of an imidazoline compound and fatty acid sarcosine ester. The cutting fluid provided by the invention has excellent corrosion resistance, rust resistance, defoaming property, biodegradability and storage stability, and has a good application prospect.

The utility model is suitable for the technical field of metal working fluid treatment, and provides a metal working fluid recycling device which comprises a treatment box, the separation hopper is fixedly mounted in the treatment box; the upper treatment cavity is formed in the treatment box; the upper treatment cavity is positioned above the separation hopper; the lower treatment cavity is formed in the treatment box; the lower treatment cavity is positioned below the separation hopper; the first filter screens are arranged in the upper treatment cavity and are used for filtering large impurities in the metal working fluid; and the plurality of second filter screens are assembled in the upper treatment cavity and are used for filtering fine impurities in the metal working fluid. According to the metal working fluid recycling device provided by the scheme, the metal working fluid can be treated, so that the metal working fluid can be well recycled, and the waste of resources is reduced.

The invention discloses server base integrated machining equipment for die casting production, and relates to the technical field of base machining, the server base integrated machining equipment comprises a workbench and a movable sliding block, a sliding rail is arranged at the top end of the outer wall of the workbench, the movable sliding block is arranged on the sliding rail, and a nozzle at the top end of the movable sliding block sprays metal working fluid to a base to be machined; the base to be processed is arranged on a polyurethane buffer plate, a rubber buffer plate is arranged below the polyurethane buffer plate, a filter frame is arranged between the polyurethane buffer plate and the rubber buffer plate, the rubber buffer plate is fixed on a workbench, and the workbench is connected with a waste liquid box through a funnel arranged at the bottom end. According to the device, the workbench, the sliding rails, the movable sliding blocks, the sliding wheels, the storage box, the spray heads and a polyurethane buffer plate are installed, lubricating, cooling and cleaning of a server base before machining, during machining and after machining are achieved through movable spraying, manual intervention is greatly reduced, and the production efficiency and the process consistency are improved.

The invention discloses a botanical fungicide for metal working fluid, which is prepared from the following raw materials in parts by weight: malus hupehensis extract, wolf thorn extract and melia azedarach extract according to the mass ratio of 1: (2-4): (2-4). The bactericide is natural in raw materials, can effectively inhibit bacteria, fungi and anaerobic bacteria, has a broad-spectrum bactericidal effect, is good in stability, can effectively avoid the problem of spoilage of the metal working fluid, is good in compatibility with the metal working fluid, is not liable to generate a precipitation reaction with other additives in the working fluid, is not liable to generate drug resistance, and is safe and reliable. The skin irritation risk when workers make contact with the disinfectant can be remarkably reduced, the disinfectant has good biodegradability, is easily decomposed by microorganisms in the natural environment, does not leave lasting chemical residues like traditional bactericides, and is beneficial to achieving the zero emission target.

The invention relates to the technical field of metal working fluids, in particular to a magnesium alloy cutting fluid and a preparation method thereof. The magnesium alloy cutting fluid is prepared from the following components in parts by mass: 6 to 10 parts of alcohol amine, 3 to 6 parts of organic phosphonic acid, 2 to 4 parts of ether carboxylic acid, 1 to 3 parts of waterborne polyether, 2 to 4 parts of phosphate, 1 to 3 parts of special amine, 0.5 to 2 parts of siloxane ketone, 0.5 to 2 parts of waterborne silicone oil, 0.5 to 2 parts of chelating agent, 1 to 3 parts of polyethylene polyamine, 0.1 to 0.5 part of waterborne graphene extreme pressure agent, 0 to 1.2 parts of auxiliary agent and 65 to 85 parts of water. By compounding various lubricants and extreme pressure agents such as alcohol amine, ether carboxylic acid, water-based polyether, phosphate, siloxane ketone, water-based silicone oil and a water-based graphene extreme pressure agent, an effective lubricating film is formed in the cutting process, friction is reduced, cutting force is reduced, formation of built-up edges is inhibited, and the service life of a cutter is prolonged.

Provided is a water-soluble metalworking oil agent which contains two or more amine compounds (A) having a volatilization rate of 20% or less as calculated by formula (i) when heated at 50 DEG C for 48 hours, and a fatty acid (B), and in which the content of an amine compound (X) not belonging to component (A) is less than 5.0 parts by mass relative to 100 parts by mass of component (A) in total. Formula (i): Volatilization rate (%) = ([mass of amine compound before heating]-[mass of amine compound after heating 48 hours]) / [mass of amine compound before heating] * 100.

The invention discloses a micro-emulsified metal cutting fluid, and relates to the technical field of lubricating compositions, the micro-emulsified metal cutting fluid comprises the following components by weight: 10-30 parts of base oil, 10-20 parts of a nonionic surfactant, 5-15 parts of a substance A, and 30-60 parts of water, the substance A has a cross-linked network structure, and the substance B has a cross-linked network structure. The substance A is obtained by carrying out cross-linking polymerization on amino boric acid ester and hydroxyl-containing unsaturated polyester resin. The amino boric acid ester and the hydroxyl-containing unsaturated polyester resin are subjected to cross-linking polymerization to obtain a substance A with a cross-linked three-dimensional network structure, and the substance A is added into the basic liquid, so that the boundary lubricating capacity of the metal cutting fluid can be improved when the metal cutting fluid is applied to aerospace high-temperature alloy processing.

The utility model relates to the field of metal working fluid cooling, in particular to a metal working fluid cooling device which comprises a cooling box, a box body is fixedly connected to the top of the cooling box, an adjusting assembly is fixedly installed on the left side of the box body, and a discharging pipe is fixedly connected to the bottom of one side of the cooling box. The air cylinder is opened, the air cylinder pushes the connecting plate to move left and right, the connecting plate drives the toothed plate to move left and right, the toothed plate drives the gear to rotate, the gear drives the air guide plate to rotate, the air inlet pipe is fixedly connected to the top of the other side of the cooling box, the air inlets are formed in the tops of the two sides of the box body, and the air outlet is formed in the bottom of the box body. The air direction adjusting effect can be achieved, air can be blown to different positions in the cooling box, the cooling effect of metal working fluid is effectively improved, the requirements of users are met, and the problems that an existing cooling device does not have the air direction control function and can only conduct air blowing cooling in the fixed direction are solved.

The invention relates to the technical field of chemical equipment, in particular to a mixing device for metal working fluid production, which comprises a mixing barrel, a stirring mechanism and a driving source, the stirring mechanism is arranged in the mixing barrel, the stirring mechanism comprises a stirring shaft, a first stirring assembly and a second stirring assembly, and the driving source is in transmission connection with the stirring shaft. The first stirring assembly and the second stirring assembly are arranged on the stirring shaft at an interval and are arranged in a staggered manner. The invention aims to improve the mixing efficiency and reduce the influence of foam on metal working fluid by improving a stirring structure.

The invention relates to metalworking process wherein a metalworking tool processes a workpiece at a processing area of a metalworking machine; a fully synthetic metalworking fluid is supplied to at least one of the metalworking machine, the metalworking tool and the workpiece; the fully synthetic metalworking fluid takes up tramp oil, thus forming a used, tramp oil containing fully synthetic metalworking fluid; the used, tramp oil containing fully synthetic metalworking fluid is collected in a container; one or more quaternary ammonium salts of formula [N+(R1)(R2)(R3)(R4)]n Xn-, wherein residues R1, R2, R3 and R4 are selected from araliphatic and aliphatic hydrocarbon residues, with the proviso that two of residues R1, R2, R3 and R4 are hydrocarbon groups with 1 to 4 carbon atoms and the other two of these residues are hydrocarbon residues with 6 to 20 carbon atoms, Xn- being an n-valent anion, and n being 1, 2 or 3, are added to the used metalworking fluid, thus breaking the emulsion of emulsified tramp oil forming free tramp oil; the free tramp oil accumulates at an air-metalworking fluid interface and is removed thereof. Moreover, the invention relates to a method of removing emulsified tramp oil from its emulsion in a fully synthetic metalworking fluid; and the use of the specific quaternary ammonium salts in such removal step to remove emulsified tramp oil from the fully synthetic metalworking fluid. Furthermore, the invention relates to a fully synthetic metalworking fluid containing said quaternary ammonium salt.

The invention relates to the technical field of metal working fluids, in particular to a polyether amide lubricant, a synthesis method and application of the polyether amide lubricant in the metal working fluids, the synthesis method of the polyether amide lubricant comprises the following steps: carrying out dehydration condensation reaction on dimer acid and polyether amine under the action of a catalyst to obtain a product 1; adding diethylenetriamine into the product 1 for reaction to obtain a product 2; dehydrating the product 2, adding ethylene oxide, and carrying out an alkoxylation reaction to obtain a product 3; and dehydrating the product 3, and carrying out an alkoxylation reaction on the dehydrated product 3 and epoxypropane under the action of a catalyst to obtain the polyether amide lubricant. The prepared polyether amide lubricant is added into a metal working fluid, and the prepared metal working fluid has good lubricity, hydrolysis resistance, defoaming performance, hard water resistance and anti-rust performance.

The invention provides metal working fluid filtering equipment and a filtering process, and relates to the technical field of filtering equipment.The metal working fluid filtering equipment comprises a shell and a vibrating device, a cylindrical filter screen with the axis in a vertical state is arranged in the shell, a first cavity is formed in the cylindrical filter screen, a second cavity is formed between the cylindrical filter screen and the shell, and the vibrating device is arranged in the shell; a collecting cavity located below the cylindrical filter screen is formed in the shell. Metal working fluid containing impurities enters the first cavity in the cylindrical filter screen from the liquid inlet, penetrates through the cylindrical filter screen to flow to the second cavity under the action of liquid pressure and is discharged from the liquid outlet, and impurities such as waste chips in the metal working fluid are located in the first cavity after being filtered by the cylindrical filter screen and enter the collecting cavity to be collected under the action of gravity. Meanwhile, the barrel-shaped filter screen is vibrated by the vibration device, so that impurities attached to the barrel-shaped filter screen are vibrated to fall off, the probability of blockage is reduced, and the influence on the filtering effect and equipment operation is avoided.

The invention provides an emulsion lubricant as well as a preparation method and application thereof, and relates to the technical field of emulsion lubricants. The preparation raw materials of the emulsion lubricant provided by the invention comprise an oil phase and a water phase, the water phase comprises triethanolamine borate and water, and the oil phase is sulfurized isobutylene; the mass fraction of the triethanolamine borate in the water phase is 10-40%, and the volume ratio of the oil phase to the water phase is (10: 1)-(1: 1). According to the invention, sulfurized isobutylene is used as an oil phase, triethanolamine borate is used as a surfactant, water is used as a continuous phase, and the ratio of the components is controlled to form a stable emulsion lubricant. The emulsion lubricant is good in stability, not only shows excellent lubricating performance, anti-attrition and wear-resistant performance and biocompatibility, but also has extremely low lung toxicity of aerosol to a natural lung surfactant, can be used as a metal working fluid for metal cutting, forming and other processes, can be used as a drilling fluid for oil field drilling and exploitation operation, and has wide application prospects. As a lubricant, the lubricant is used for lubrication and maintenance of mechanical equipment.

Metal working fluid decontamination apparatus (10) includes: an intake arrangement (40) for metal working fluid (42); a pump (16) for providing, in use, flow pressure to the metal working fluid (42); a decontaminator (50) for reducing contamination in the metal working fluid (42); and an outlet arrangement (34) for the metal working fluid. The metal working fluid (42) is a fully synthetic metal working fluid, which comprises water and a water soluble synthetic concentrate which does not comprise oil.

The invention belongs to the technical field of metal working fluids, and particularly relates to a degradable micro-emulsified water-based cutting fluid special for heavy-load copper alloy as well as a preparation method and application of the degradable micro-emulsified water-based cutting fluid. The special degradable micro-emulsified water-based cutting fluid for the heavy-load copper alloy is prepared from the following raw materials in parts by mass: 4.0-8.0 parts of a metal antirust agent; 10.0 to 18.0 parts of a special amine; 5.0 to 10.0 parts of synthetic ester; 0.5 to 1.0 part of an extreme pressure agent; 5.0 to 10.0 parts of a lubricant; 0.5 to 1.0 part of a corrosion inhibitor; 1.0 to 2.0 parts of a dispersant; 0.5 to 2.5 parts of a bactericide; 2.0 to 6.0 parts of a stabilizer; 5.0 to 10.0 parts of an emulsifier; 0.4 to 1.0 part of a hard water resistant agent; and 45-50 parts of water. The environment-friendly degradable vegetable oil and synthetic ester are selected as main lubricants, and the phosphate ammonium salt is used as an anti-wear reagent at extreme pressure, so that the problems that the copper alloy metal working fluid prepared by the prior art is poor in lubricating property, short in service life, large in harm and easy to green and corrode are solved.

The invention belongs to the technical field of metal working fluids, and discloses a water-based cutting fluid as well as a preparation method and application thereof. The water-based cutting fluid comprises the following components in parts by weight: 30-45 parts of Guerbet alcohol, 5-12 parts of an antioxidant, 0.2-1 part of a corrosion inhibitor, 3-8 parts of an anti-wear extreme pressure agent, 30-60 parts of base oil, 2-4 parts of a surfactant and 0.1-1 part of a defoaming agent. The total number of carbon atoms of the Guerbet alcohol is 12 to 14; the antioxidant comprises pentaerythritol tetra [beta-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionate] and beta-naphthol according to a mass ratio of (10 to 35): 1. The water-based cutting fluid disclosed by the invention has excellent lubricating performance, rust resistance, corrosion resistance, low temperature resistance and defoaming performance, can be applied to the cutting process of various metal materials such as steel, cast iron, aluminum alloy and copper alloy, effectively reduces the cutting temperature, reduces thermal deformation and residual stress, and improves the machining precision and the surface quality.

The utility model relates to a friction pair accessory for testing the lubrication performance of water-based metal working fluid, which comprises a groove test disc, a test ball and a tin foil paper tray, the friction pair accessory is arranged in an SRV test cavity, the SRV test cavity comprises a base, a test disc placing platform, a groove test disc clamp, a loading rod and a reciprocating vibration driving rod, the groove test disc clamp is mounted on the base, the groove test disc is placed on the tin foil tray, the tin foil tray is placed on the test disc placement platform, the groove test disc is mounted on the test disc clamp, the test ball is in contact with the circle center of the groove test disc, and a groove is formed in the circle center of the groove test disc. The utility model belongs to the technical field of water-based metal working fluid lubricating performance testing, and can overcome the defect that a stable water-based test lubricating layer cannot be formed in the prior art by using the friction pair accessory, effectively prevent the water-based metal working fluid from overflowing, improve the test precision and reduce the test error.

The present technology relates generally to metalworking fluid compositions including a compound of Formula (I) where R1, R2, R3, and R4 are each independently H or Ci-Ce unsubstituted alkyl; provided at least one of R1, R2, R3, and R4 is not H; and provided that the compound has 4, 5, 6, 7, 8, 9, or 10 carbon atoms. For example, including a compound of Formula I in a metalworking fluid having a pH of at least about 7 may enhance the metalworking fluid's lubricating, cleaning, and / or handling properties by providing multi-metal corrosion inhibition, maintaining pH control, and / or stabilizing the metalworking fluid. When including a biocide, it may act synergistically with the biocide to inhibit microbial growth and disrupt existing biofilms, resulting in extended metalworking fluid life, reduced equipment wear, consistent part quality, and lower environmental load from fluid disposal.

To provide a metal-working fluid which is environmentally friendly and is effective to reduce friction caused by removing material from a surface of a work piece and dissipate heat generated by frictional contact between a tool and the work piece.SOLUTION: The disclosure relates to a biobased metal-working fluid (MWF) composition and a method for producing the same, and more particularly a metal-working fluid with biobased lubricants with improved emulsion stability. At least 50 wt.% of base oil components in an MWF concentrate is a plant-derived liquid decarboxylated rosin acid oil ("DCR"). The DCR comprises 50 to 100 wt.% of tricyclic compounds having: 18-20 carbon atoms; one or more C=C groups; an m / z (mass / charge) value of 220-280 as measured by GC-FID-MS; an oxygen content of less than 5%; and an acid value of less than 50 mg KOH / g as measured using ASTM E28-18. The resulting MWF is characterized as having comparable or good performance compared to an MWF containing only mineral oil (e.g., Group I or Group II).SELECTED DRAWING: None

The utility model discloses a material processing roller hanging bracket assembly, and belongs to the technical field of metal processing. Comprising a support, and hoisting connecting pieces are arranged on the two sides of the top of the support; a first rotating shaft assembled and positioned at the bottom of the cross beam is horizontally arranged at the top end in the bracket; two sides of the first rotating shaft are connected with first chain wheels; a hanging bracket mechanism is arranged at the bottom end in the support, a hanging basket is detachably installed in the hanging bracket mechanism, the two ends of the hanging bracket mechanism and the support side plates are assembled and positioned through second rotating shafts, and the second rotating shafts are sleeved with second chain wheels. And the driving mechanism drives the first rotating shaft to rotate. According to the material processing roller hanging bracket assembly, the hanging basket is installed in the hanging frame, then the hanging frame is lifted through the U-shaped frame, the moving stability of the hanging basket is guaranteed, meanwhile, the hanging basket is driven by the rotating mechanism to rotate, metal pieces are processed in the processing pool in a rolling mode, metal processing liquid is made to make full contact with the metal pieces, and the processing efficiency is guaranteed.

The present invention describes an aqueous semi-synthetic metalworking fluid comprising a base oil, an organic acid, an emulsifier, an additive concentrate, water, and a microbial growth control agent comprising a polyfunctional cyclic amine.

The utility model provides a corrosion resistance testing device for water-based metal working fluid. The working fluid detection device comprises a fluid containing box, a circulating assembly and a detection assembly, a containing cavity is formed in the fluid containing box, and a heating assembly and a sterilization assembly are arranged in the containing cavity; the circulation assembly comprises a filter and a liquid pump, the detection assembly comprises a detection element arranged in the containing cavity, and the detection element is connected into the controller and used for obtaining parameter data of liquid circulated by the liquid pump and sending the parameter data to the controller. Aiming at the problem of test result deviation caused by large deviation from actual working conditions during detection of the corrosion resistance of the metal working fluid at present, to-be-tested decayed metal working fluid or standard bacterial colonies is introduced by adopting a liquid containing box, filtered and refluxed after being pumped by a liquid pump, the actual working conditions are simulated, and various parameters of the metal working fluid are measured after a cycle is set. The consistency of the measured parameters and the actual performance is improved, and the parameters can be used for comparing the indexes of the metal working fluid to evaluate the corrosion resistance.

The application relates to the technical field of detection equipment, in particular to a metal processing liquid rapid detection box which comprises a box body with an open top and a box cover which can be downwardly buckled at the open top of the box body, a constant-temperature box and a storage box are arranged in the box body in sequence along the horizontal direction, the top of the storage box is provided with a plurality of storage cavities, bacteria detection tablets or rust prevention test boxes are arranged in the storage cavities, the top of the constant-temperature box is provided with a plurality of constant-temperature cavities; the bottom of the box cover is rotationally connected with a rotating plate which can be turned over in the vertical plane, the two ends of the rotating plate are located above the storage cavities and the constant-temperature cavities respectively and can be turned over to above the rotating axis of the rotating plate, the bottom of the rotating plate is slidably connected with a plurality of counterweight units; the counterweight units are rotationally connected with buckling covers which can be turned over in the vertical plane, the bacteria detection tablets and the rust prevention test boxes are slidably connected to the buckling covers through limiting units and can be separated from the buckling covers through self gravity. The application can improve the detection efficiency of the metal processing liquid.

The invention provides environment-friendly magnesium alloy working fluid and a preparation method thereof, and relates to the technical field of metal working fluid. The magnesium alloy working fluid comprises naphthenic mineral oil, an antirust agent, graphene oxide modified fatty acid amide, a glucose gemini surfactant, an emulsifier, an organic corrosion inhibitor, a phosphate corrosion inhibitor, an anti-wear reagent at extreme pressure, a pH stabilizer, a defoaming agent, a bactericide, a lubricant and water. The preparation method comprises the following steps: heating water, sequentially adding the antirust agent, the organic corrosion inhibitor, the pH stabilizer, the naphthenic mineral oil, the graphene oxide modified fatty acid amide, the glucose type bimolecular surfactant and the emulsifier, and continuously stirring; adding other components except the defoaming agent in sequence; slowly adding a defoaming agent, and stirring at a low speed; and stopping heating, stirring and cooling to obtain the product. On the basis of the naphthenic mineral oil and the water, a microemulsion type system is constructed, and a high-temperature environment required by combustion of the magnesium chips is eliminated from the source, so that the safety of the processing process is greatly improved.

The present invention provides a metalworking fluid filtering device and a filtering process, which relate to the technical field of filtering devices. The metalworking fluid filtering device includes a shell and a vibration device. A cylindrical filter screen with a vertical axis is provided in the shell. A first chamber is formed inside the cylindrical filter screen, a second chamber is formed between the cylindrical filter screen and the shell, and a collecting chamber is formed on the shell below the cylindrical filter screen. Metalworking fluid containing impurities enters the first chamber in the cylindrical filter screen from a liquid inlet, passes through the cylindrical filter screen to flow to the second chamber under the action of liquid pressure, and is discharged from a liquid outlet. Impurities such as waste chips in the metalworking fluid are filtered through the cylindrical filter screen and are located in the first chamber. They enter the collecting chamber under the action of gravity and are collected. At the same time, the vibration device vibrates the cylindrical filter screen to vibrate off impurities attached to the cylindrical filter screen, thereby reducing the probability of blockage and avoiding affecting the filtering effect and equipment operation.

This invention belongs to the field of metalworking fluid technology, specifically relating to a water-based cutting fluid and its preparation method. The preparation method of the water-based cutting fluid of this invention includes the following steps: S1, adding composite modified graphene, molybdenum disulfide, and a dispersant to deionized water for homogeneous dispersion to obtain a dispersion; S2, adding a lubricant, a metal rust inhibitor, a corrosion inhibitor, benzotriazole, and tetrasodium diaminetetraacetate to the dispersion, heating and stirring, and cooling to room temperature to obtain the water-based cutting fluid; the composite modified graphene is prepared by using graphene oxide and cerium chloride heptahydrate as raw materials to prepare cerium-doped graphene, and then modifying the cerium-doped graphene with dopamine hydrochloride to obtain the composite modified graphene. This invention can effectively improve the resistance to damp heat and friction of water-based cutting fluids and achieve a good corrosion resistance rating.

To provide a lubricating oil composition having improved extreme pressure performance.SOLUTION: The lubricating oil composition contains a lubricating base oil, a sulfur-containing compound and a metal soap. The lubricant composition according to claim 1, wherein the metallic soaps are one or more selected from the group consisting of aliphatic acid metallic salts represented by the following general formula (2-1), aliphatic acid borate metallic salts represented by the following general formula (2-2), and amine ligand metallic complex compounds of the aliphatic acid metallic salts and amine compounds (M21 and M22 are each independently Li, Na, K, Mg, Ba, Bi, Cu, Pb, Zn, Zr or Co). ).SELECTED DRAWING: None

The utility model relates to a kind of metalworking cooling liquid filtration systems, including primary water tank, secondary water tank, magnetic separation device, vortex separator, refrigerating unit, magnetic lift pump and vortex lift pump, the bottom of primary water tank is conical, primary water tank bottom is also equipped with blowdown, magnetic lift pump is used to pump the cooling liquid in the primary water tank into the magnetic separation device, the liquid outlet of the magnetic separation device is communicated with the secondary water tank, vortex lift pump is used to pump the cooling liquid in the secondary water tank into the vortex separator, vortex separator includes clean liquid outlet, the clean liquid after the vortex separator filtration enters the secondary water tank by the clean liquid outlet. The bottom of primary water tank is conical, and is equipped with blowdown, impurity deposited in the bottom of primary water tank can naturally slide under the action of its gravity and converge to the blowdown at the lowest point of cone bottom, solve the problem of the hidden corner that is difficult to clean of traditional rectangular water tank.

The utility model discloses a metal working fluid feeding device which comprises a tank body, and a motor is arranged on the top of the tank body. The bottom of the motor is connected with the inner end of a rotating rod through a bevel gear set, the middle of the rotating rod is rotationally arranged on a storage groove in a penetrating mode, the storage groove is formed in the top of the tank body, a first spring is nested in the inner end of the rotating rod, and the outer end of the first spring is connected to the top of the tank body; the inner end of the first spring is connected to the outer end of the bevel gear set, a sealing plate is fixed to the middle of the rotating rod, and the outer wall of the sealing plate is attached to the inner wall of the storage tank to form a sealing mechanism. The metal working fluid feeding device is provided with the sealing plate, the rotating rod is driven by the motor to rotate, so that the rotating rod can drive the sealing plate to rotate, then the purpose of quantitatively feeding materials in the storage tank can be achieved through the sealing plate, the machining efficiency is improved, and the use convenience is further improved.