200 results about "Metal working" 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 discloses laser cutting equipment for metal processing, and relates to the technical field of laser cutting, the laser cutting equipment comprises a base, the left side and the right side of the upper end of the base are fixedly connected with mounting plates, the inner sides of the two mounting plates are fixedly provided with first electric telescopic rods, and the output ends of the first electric telescopic rods are fixedly connected with connecting plates; in the process that the laser cutting mechanism is used for cutting metal, a first pump machine sprays cooling water to the laser cutting position through a cooling spray head by means of a first water pipe, a second water pipe, a hose and a third water pipe, the cooling spray head is arranged at the rear end of a second moving block, and the laser cutting mechanism is arranged at the lower end of the second moving block; the cooling spray head can move along with movement of the laser cutting assembly, the cutting part can be cooled in time, and the situation that the precision and quality of a cut part are affected due to deformation of the cutting part caused by thermal expansion of a metal material around the cutting part is prevented.

The invention relates to the field of metal processing, and provides a method for preparing metal material powder of a flexible circuit board by gas atomization, which comprises the following steps: smelting metal raw materials for preparing the flexible circuit board to obtain molten metal, introducing the molten metal into an atomization device by using a pressure device for atomization, and crushing the molten metal by conveying high-pressure gas in the atomization process to obtain the metal material powder of the flexible circuit board. And metal liquid drops are formed, cooled and collected, and metal powder is obtained. According to the method, the metal powder special for the flexible circuit board, which is high in sphericity degree, narrow in particle size distribution and low in oxygen content, can be effectively prepared through stable control over the molten metal, the flowability and spreading uniformity of the powder are remarkably improved, and the method is suitable for a precise printing or additive manufacturing process; the problems of large particle size deviation, high defect rate and the like caused by a traditional atomization method are solved, the prepared metal powder is excellent in conductivity and flexibility after being sintered, and the method is suitable for manufacturing flexible electronic devices under high-frequency and high-deflection scenes.

The present disclosure relates to a method for producing a secondary amine or tertiary amine or mixture thereof in a single reaction step and the use of such amines in various applications including, but not limited to, polyurethane, oil & gas, metalworking, paints and other coatings applications.

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 utility model relates to the technical field of hardware machining devices, in particular to a cold roll forming rolling device. Comprising a rack, a rolling platform is arranged on the rack, a supporting frame is arranged on the rolling platform, a fixed mold is arranged on the rolling platform, and a cold pressing assembly matched with the fixed mold is arranged on the supporting frame; a rolling groove is formed in the upper end face of the fixed die and arranged along the X axis, a plurality of sliding grooves are formed in the fixed die and arranged along the Y axis, the sliding grooves are formed in the two sides of the rolling groove respectively, and limiting rods capable of horizontally moving along the sliding grooves are arranged in the sliding grooves. A linkage assembly is arranged on the bottom face of the rolling platform and connected with the limiting rods on the multiple sliding grooves. The rolling forming device is reasonable in structure, the sliding grooves are formed in the two sides of the rolling groove in the fixed die, and the limiting rods can move along the sliding grooves, so that a metal workpiece on the fixed die is clamped, sliding displacement of the workpiece in the rolling process is avoided, the machining precision of rolling forming is guaranteed, and the product quality is improved.

A kind of shoe sole accessory based on air-permeable metal processing and preparation method, shoe sole and shoe, belong to shoe sole accessory technical field, the accessory includes 3D printing integrated air-permeable metal accessory body, it is equipped with air-permeable part including uniform distribution through air-permeable hole and accessory perimeter and fixed position are equipped with opening;Its preparation method includes: 3D printing and sintering are made metal accessory, it is positioned after injection TPU material and is covered fixed as insert;The application also provides the shoe sole and shoe integrated with the accessory, realizes the accessory ultra-thin and high air permeability by 3D printing, solves the contradiction of traditional accessory heavy and insufficient strength, significantly improves the air permeation efficiency of shoe product, wearing comfort and durability.

The invention discloses a double-end integrated cigarette making machine cleaning tool and method, and belongs to the technical field of cigarette making equipment maintenance. The tool comprises a handle, an arc-shaped cleaning knife and a clamp type cleaning knife. The arc-shaped cleaning cutter is provided with an arc-shaped working surface matched with the arc-shaped curved surface of the cigarette twisting and connecting plate, the arc-shaped cleaning cutter is formed by compounding a metal working plate and a heat insulation material plate, a non-working edge is a fillet, and the junction of the working surface and the side wall is a plane natural intersection edge. The clamp type cleaning knife is of a plate-shaped structure and is provided with a U-shaped crack with an opening in the bottom face and two through sides, the width of the crack is matched with the thickness of a blade of the paper cutting wheel, and a guide inclined face is arranged at the lateral opening. A binding face is arranged at the bottom end of the clamping part, the working edge is a plane natural intersection edge, and the non-working edge is a fillet. The device can efficiently and safely remove dry glue dirt, avoid cutting and scalding, reduce equipment abrasion and lower maintenance cost.

The utility model belongs to the technical field of metal processing, and relates to a laser marking system with a lamination detection function, which comprises a marking table, a laser marking machine and a carrying manipulator, the marking table is arranged below the laser marking machine, and the laser marking machine is used for performing laser marking on a workpiece arranged on the marking table; the carrying manipulator comprises a transmission mechanism, a workpiece gripper and a thickness measuring sensor, the workpiece gripper is installed on the transmission mechanism, the transmission mechanism can drive the workpiece gripper to grab a workpiece and place the workpiece on the marking table, the thickness measuring sensor is installed on the workpiece gripper, and the thickness measuring sensor is used for measuring the thickness of the workpiece. The thickness measuring sensor is used for detecting the thickness of the workpieces grabbed by the workpiece gripper so as to judge the number of the grabbed workpieces. According to the utility model, automatic grabbing, placing and marking of workpieces are realized, the production efficiency is improved, and the system can identify and detect whether the workpiece grabber grabs multiple layers of workpieces or not, so that marking errors caused by lamination are effectively prevented.

The utility model discloses a PVT heat pump system and a water heater. The system further comprises a second condenser, an electromagnetic valve, a second electronic expansion valve, a third electronic expansion valve, a first three-way valve and a second three-way valve. According to the PVT heat pump system, the structure of the PVT heat pump system is improved, the condenser and other components are additionally arranged, different branches are set up, based on the novel PVT heat pump system structure, high-temperature hot water of 65-70 DEG C can be produced, the requirements for hot water of 65 DEG C or above in the industries of hot spring hotels, metal processing, food, chemical engineering and the like are met, and when the water temperature of the system is 50 DEG C or above, the energy consumption of the system is reduced. And relatively high COP performance is still realized. In addition, the new PVT heat pump system can perform heating while defrosting, extra mains supply is almost not needed to be provided for defrosting, and the electricity utilization cost of a user is reduced.

A gold-plated silver processing method and gold-plated silver products are disclosed, relating to the field of metal processing technology. The gold-plated silver processing method includes the following steps: S1, silver blank treatment, polishing the silver blank to remove surface impurities; S3, gold plating, applying a gold layer to the treated silver blank; S4, piercing the gold layer using a cone to create multiple vent holes; S5, pressing, applying pressure from one end of the product to the other to expel residual gas within the interlayer through the vent holes; S6, water leveling, heating and water leveling the surface of the gold layer to eliminate piercing marks; S7, wire drawing and bonding, using a wire drawing machine to draw the product to the desired outer diameter to ensure a tight bond between the gold layer and the silver blank. This technical solution has the advantages of eliminating air bubbles within the interlayer, enhancing the adhesion between gold and silver, and improving product quality.

The invention belongs to the technical field of metal processing lubrication, and provides high-extreme-pressure anti-wear emulsion type expanding oil and a preparation method of the high-extreme-pressure anti-wear emulsion type expanding oil. Comprising the following steps: compounding naphthenic base oil, polyalkyl benzyl sulfide, vulcanized vegetable oil, sodium dodecyl benzene sulfonate, octylphenol polyoxyethylene ether, benzotriazole and methyldiethanolamine according to specific parts by mass to construct a carrier-extreme pressure-emulsification-corrosion prevention integrated system; wherein the naphthenic base oil (the kinematic viscosity at 40 DEG C is 350-400 mm / s) provides a stable carrier, the polyalkyl benzyl sulfide (the sulfur content is 20-30%) is a chloride-free extreme pressure core, the composite emulsifier ensures the stability of the system, and efficient protection is realized through double-component corrosion prevention; according to the invention, the 3% emulsion can be stably placed for more than or equal to 2 weeks, the maximum non-seizure load is more than 1800N, the emulsion is suitable for expanding large-diameter steel pipes made of Q235A, X70 / X80 and the like and cold forming processing of metal, the problems of insufficient extreme pressure, unstable emulsification, poor environmental protection property and the like of the existing product are solved, and the processing quality and efficiency are improved.

The utility model provides an automatic feeding robot for metal processing, which belongs to the technical field of robots and comprises a base, an automatic feeding component and a quick feeding component. The metal piece pushing device has the beneficial effects that a user opens the electric hydraulic rod and the torque motor through the controller, the electric hydraulic rod drives the pushing plate to move towards one side, the pushing plate enters the position between the two connecting frames through the discharging groove, and then metal pieces in the connecting frames are pushed out through the discharging groove; at the moment, a torque motor drives one rotating rod to rotate, the other rotating rod rotates through cooperation of a belt wheel and a belt, then two guide wheels rotate, the pushed metal part is conveyed to a guide plate, the guide plate conveys the metal part to a supporting base, and the metal part is waited for machining through a mechanical arm; the metal piece moves downwards through gravity and then waits to be pushed, and therefore the purposes of automation and rapidness are achieved.

The utility model discloses a pickling device for metal surface treatment, and relates to the technical field of metal surface treatment. The partition plate is arranged in the pickling tank and divides the pickling tank into two cavities which do not influence each other; a hanging basket; the driving assembly is mounted on the pickling tank to drive the hanging basket to slide to the position above the two cavities in a reciprocating manner; the telescopic rod is mounted on the driving assembly and drives the hanging basket to descend into the cavity or ascend to be separated from the cavity; the air blowing assembly is installed on the partition plate and pushes the hanging basket to swing in a staged mode; according to the utility model, the hanging basket is periodically pushed to swing, so that a workpiece shakes in acid liquor, the uniformity of pickling is effectively improved, impurities on the surface of the metal workpiece can be fully removed, the pickling quality is improved, meanwhile, the residual acid liquor on the surface of the workpiece can be removed in the swinging process, and a good foundation is provided for subsequent treatment procedures; and the driving assembly is matched with the telescopic rod.

The present application relates to wastewater treatment technical field, especially a kind of metalworking cooling liquid wastewater regeneration treatment system, including processing box, the bottom of the processing box is vertically installed with guide rod, the inside upper position of the processing box is connected with oil collecting hopper by drive element, exchange hole is evenly opened in the outside of the pipe body, hydrophilic oleophobic film is arranged in the exchange hole, and a plurality of kapok fiber balls are placed in the bottom of the pipe body;The top of the guide rod is annular array and is provided with multiple sets of regulation and control structure, and the cleaning and control of hydrophilic oleophobic film in pipe body are carried out by multiple sets of regulation and control structure.The oil on the surface of wastewater can be collected by the intermittent lifting oil collecting hopper, and the oil-water mixture in the pipe body can be separated by hydrophilic oleophobic film, and the surface of hydrophilic oleophobic film can be cleaned during separation, to prevent particles from blocking hydrophilic oleophobic film.

The application relates to an 8-series aluminum alloy aluminum foil for solid-state battery packaging and a preparation method thereof, relates to the non-ferrous metal processing technical field, and the aluminum foil is composed of the following components in percentage by weight: Fe: 0.7-1.8%, Si: 0.1-0.2%, Mn: 0.05-0.15%, Cu: 0.05-0.1%, Ti: 0.01-0.02%, Zr: 0.01-0.02%, Re: 0.01-0.05%, and the balance is Al and impurities. The preparation method comprises the following steps: smelting and standing, modification treatment and degassing, continuous casting, homogenizing annealing, first cold rolling, intermediate annealing, second cold rolling, co-stretching and stack rolling, separate stretching, finished product annealing and shearing. Through the component design of the aluminum foil and in combination with the co-stretching and stack rolling process, the punch formability and corrosion resistance of the aluminum foil are improved, and the aluminum foil is suitable for solid-state battery soft package packaging.

The application discloses a joint mirror surgery reusable metal working sleeve, relates to the technical field of medical devices, and has the technical scheme as follows: a needle body, a handle head one and a pipe body are included; the bottom of the handle head one is detachably connected with one end of the pipe body; the middle part of the handle head one is provided with a movable channel one in the height direction; the movable channel one is connected with the pipe body; a control gate valve is arranged on the outer side wall of the handle head one; the control gate valve is arranged in the movable channel one by penetrating the side wall thickness of the handle head one; a water inlet pipe is detachably connected with the outer side wall of the end of the pipe body close to the handle head one; a camera is arranged on the inner side wall of the end of the pipe body away from the handle head one; a controller is arranged on the end of the pipe body close to the handle head one; and the controller is connected with the camera by wires. In the application, a plurality of stainless steel pipes are connected in succession from top to bottom by socket connection, so that the pipe body is formed; and the end of the stainless steel pipe is moved in a movable channel two in the previous stainless steel pipe, so that the length of the pipe body is adjusted.

This invention discloses a semi-synthetic metalworking fluid with rust-preventive properties and its preparation method. The fluid comprises, by mass fraction of raw materials: 25-30 parts base oil, 3-5 parts composite corrosion inhibitor, 0.1-0.3 parts non-ferrous metal corrosion inhibitor, 12-15 parts pH stabilizer, 8-11 parts main emulsifier, 3-5 parts auxiliary emulsifier, 0.8-1.5 parts calcium soap dispersant, 0.8-1.0 parts coupling agent, 2.5-3.5 parts bactericide, and 27.7-44.8 parts water. This invention utilizes a composite corrosion inhibitor of dodecyl diacid (DDDA) and triazine polycarboxylic acid derivatives, compounded in a specific ratio, to construct a dual protective mechanism of "microscopic hydrophobic adsorption" and "macroscopic chemical passivation" on the metal surface. This synergistic effect greatly enhances the density and adhesion of the protective film.

The invention relates to the technical field of metal processing, in particular to a large metal surface coating production line pretreatment phosphating device which comprises a phosphating box and further comprises a collecting tank arranged at one corner of the bottom end of the phosphating box, a sewage pumping pipe is arranged on the phosphating box, one end of the sewage pumping pipe is located in the collecting tank, and the other end of the sewage pumping pipe is located in the collecting tank. According to the device, the collecting tank is arranged at one corner of the bottom end of the phosphating box body and is matched with the sewage pumping pipe and the external water pump, sediment can be pumped out in time, and the situation that the phosphating effect is affected due to sediment accumulation is avoided; the scraping plate can be driven by the circulating driving part to circularly move in the box body, bottom sediments are effectively pushed into the collecting tank, and the bottom of the box body is kept clean; the water absorption elastic bag absorbs water on the lower layer when the scraper is located at the bottom end of the box body, and when the scraper moves to the upper layer, the extrusion part and the scraper are matched to extrude and discharge the water, so that the water in the box body is mixed up and down, the concentration of a phosphating solution is uniform, and the phosphating quality and stability of the metal surface are improved.

The present invention provides a method for measuring the film thickness of a metalworking agent that is attached to a mold and has visual recognizability. The method comprises: an image data acquisition step, which acquires image data obtained by photographing a plurality of markers, each with a different measured L value, showing the appearance of the surface of the mold to which the metalworking agent is attached; a correspondence derivation step, which derives a correspondence between the photographed L values ​​and the measured L values ​​using the photographed L values ​​of the plurality of markers in the image data; a film thickness derivation step, which derives the film thickness of the metalworking agent based on the photographed L values ​​of the measurement location in the image data, using the correspondence and the correlation between the measured L values ​​and the film thickness value; and an output step, which outputs the derived film thickness of the metalworking agent.

This utility model discloses a two-set XYZ-axis gantry robot, including a layered frame. A positioning component is provided at one end of the layered frame. The positioning component includes an assembly frame, with a gantry fixedly connected to the top of the assembly frame. A first Y-axis guide rail is fixedly installed between two sliders, and a second Y-axis guide rail is fixedly installed between another set of sliders. A second set of XYZ axes is fixedly installed on one side of the slider of the second Y-axis guide rail. This utility model relates to the field of industrial automation equipment technology. This two-set XYZ-axis gantry robot, through its dual-station independent operation design, breaks through the efficiency bottleneck of traditional single-station gantry robots. The first and second sets of XYZ axes can operate synchronously on the layered frame, performing different operations respectively. For example, in a metal processing scenario, one robot is responsible for handling the crucible, while the other simultaneously performs stirring operations, without waiting for a single set of equipment to complete all processes.

To provide a portable cutter with a dust box excellent in workability which is attached to / detached from the cutter body.SOLUTION: A portable cutter 1 for metal working comprises: a cutter body 10; and a dust box 20 which is attached to / detached from the cutter body 10. A blade tool 4 is rotatably attached to the cutter body 10. The dust box 20 includes: a first housing 21; a second housing 22; and an inner plate 25. The first housing 21 made of synthetic resin includes a first lateral face 21a positioned inside of the cutter body 10. The second housing 22 made of synthetic resin includes a second lateral face 22a positioned at an opposite side of the first lateral face 21a and is connected with the first housing 21 to each other. The inner plate 25 is arranged through the second lateral face 22a and an air space layer A.SELECTED DRAWING: Figure 5

The utility model relates to the technical field of trimming of mechanical sheet metal parts, and provides a portable trimming and bending clamp for sheet metal parts, which aims at solving the problems that the sheet metal parts can shrink when being bent, various matched special bending dies are needed especially for sheet metal bending parts with inclined bending lines, the processing cost is high, and the processing period is long. An adjustable fixing pressing plate used for fixing a sheet metal part and a replaceable die are arranged at the top of the top plate, the rotating plate rotates around the rotating shaft, the sheet metal bending pressing plate adjusts the position of the bending working face of the sheet metal bending pressing plate through an adjusting assembly, and the sheet metal bending pressing plate is arranged above the top plate. The tail end of the adjusting assembly of the rotating plate is fixedly connected with the rotating handle used for pushing the rotating plate to rotate, the rotating handle is pushed to enable a sheet metal part to be bent according to the shape and the angle of a selected mold, and sheet metal workpieces with different thicknesses can be trimmed only by adjusting the two adjusting assemblies. And bending at different angles is realized by utilizing the configured dies with different bending angles.

This utility model relates to the field of metal processing technology, and in particular to a metal processing positioning and feeding fixture, including a frame and grippers. Two bar slides are mounted on the top rear side of the frame, and two lifting components are mounted on the upper side of the frame. Each lifting component has a fixed seat on its top, and a fixed frame is mounted on the top of each fixed seat. A bidirectional lead screw is rotatably connected inside the fixed frame. A rotating component is mounted on the front side of the fixed frame to drive the bidirectional lead screw to rotate. Two movable seats are threadedly connected to the outer side of the bidirectional lead screw, and grippers are mounted on the top of each movable seat. A linkage component is provided inside the frame to drive the lifting components to move back and forth. A drive component is mounted on the rear side of the frame. This utility model, by setting grippers with adjustable spacing, can quickly adjust the clamping spacing according to changes in the diameter of the metal bars, and can also adapt to changes in the number of bars to be fed in different batches of operations.

The invention discloses a corrosion-resistant cutting fluid and a preparation method thereof, and relates to the technical field of metal working fluids. The corrosion-resistant cutting fluid takes the calcium phytate, the modified graphene oxide composite dispersion liquid, the antibacterial agent, the epoxidized soybean oil modified boric acid ester and other environment-friendly components as cores, synergistically exerts rust-proof, antibacterial and lubricating effects, and is especially suitable for high-activity metal processing of 7-series aluminum alloys, magnesium alloys and the like. The preparation process is mild, the steps are simple, and the obtained product is stable in high-temperature storage, not prone to decay and long in service life and has excellent environment compatibility and industrial applicability. The corrosion-resistant cutting fluid is excellent in anti-rust performance, antibacterial performance and high-temperature stability and has a wide application prospect.

The application discloses a silicon-aluminum target material and a preparation method thereof, and belongs to the field of metal processing. The method adopts a plasma spraying process. When the product is prepared, through special protection design of a rotating spraying back pipe and selection of powder raw materials with special particle sizes, the prepared product can have high deposition rate and high production efficiency on the basis of high density and no obvious cracks.

The present application relates to the technical field of intelligent control of metal processing, in particular to an intelligent control method and system based on metal processing equipment, comprising: collecting real-time monitoring data of spindle current, feed shaft vibration frequency spectrum, cutting torque and tool infrared thermal image of the running equipment, separating steady-state and transient characteristic signals through preprocessing and feature extraction, inputting the two types of signals into a deep state space model, iteratively updating the posterior probability estimation of the hidden state of the equipment through reasoning calculation, calling a state inversion algorithm to reversely deduce the potential disturbance source of the hidden state deviation, matching the disturbance source to adjustable control parameters, and generating a compensation control instruction sequence in combination with the forward equipment dynamic model. The method optimizes the hidden state description through classification processing and model iterative reasoning of characteristic signals, realizes disturbance source positioning and parameter matching relying on reverse inversion, and optimizes the control execution logic of the metal processing equipment.

The utility model discloses a belt type polishing device for metal plate processing, which relates to the technical field of metal plate processing, and comprises a device base, a mounting groove, a bidirectional threaded rod, a sliding rod, a driving motor I, an adjusting mechanism and a polishing mechanism. The adjusting mechanism drives the polishing mechanism to move towards the metal plate, the mechanism side plate is fixedly connected with the fixing support perpendicular to the mechanism side plate, the driven wheels are fixedly connected to the two sides of the fixing support, and the polishing belts are arranged between the driven wheels and the driving wheels in a sleeving mode. The two driven wheels are arranged, so that the grinding belt in the area between the two driven wheels can serve as a whole grinding area, and therefore when a metal plate with a large area is ground, the grinding efficiency can be improved, and it is easily ensured that the whole metal plate is ground flatly.

The utility model discloses an automatic feeding device for a metal workpiece cleaning procedure, and relates to the technical field of metal workpiece machining. The feeding device comprises a cleaning frame, a feeding assembly is arranged above the cleaning frame, the feeding assembly comprises baffles symmetrically arranged below a material frame, the baffles are arranged above the cleaning frame, and the two ends of a tooth roller arranged in each baffle are both connected with a connecting disc. The peripheral side wall of a connecting shaft connected with the middle of the outer side wall of the connecting disc is sleeved with a circular gear, the inner side wall of a supporting plate rotationally connected with the peripheral side wall of the connecting shaft is connected with a connecting base, and the connecting base is connected to the side wall of the cleaning frame. And a cleaning assembly is arranged in the cleaning frame. The feeding assembly is arranged, operation steps are simplified, metal workpieces are fed continuously, the metal workpieces are prevented from colliding with one another, the quality of the cleaned metal workpieces is improved, the cleaning assembly is arranged, the metal workpieces are cleaned, and functionality is increased.