760 results about "Electric spark" patented technology

The invention discloses a data processing method and system for a precise automatic multi-axis numerical control electric spark forming machine, and the method comprises the steps: mapping preprocessed data into a digital twin model for fusion analysis, and extracting fusion features including instantaneous energy density, an effective machining angle, a thermal error compensation amount and a chip removal efficiency evaluation value; based on the fused feature data, performing real-time state evaluation and future discharge trend prediction by using a LightGBM neural network model, and outputting a processing prediction result; and a multi-target optimization function is established, an improved NSGA-II algorithm is utilized to carry out rapid optimization search by taking the current processing parameters as an initial population, a multi-axis cooperative motion instruction is generated, and the multi-axis cooperative motion instruction is transmitted to a multi-axis motion control module and a pulse power supply module to be executed. And the processing stability and reliability are improved.

The invention discloses a high-strength composite pipe manufacturing method, and relates to the technical field of composite pipe production, and the method comprises the following steps: S1, inner ring welding: arranging and guiding inner ring reinforcing warps through a front end winding welding seat, and welding inner ring spiral wefts to the outer sides of the inner ring reinforcing warps through electric sparks, s2, mesh belt winding: wrapping a middle-layer steel wire mesh belt on the outer side of an inner-ring spiral weft through a middle-layer mesh belt winding welding seat, welding the middle-layer steel wire mesh belt on the outer side of the inner-ring spiral weft through electric sparks, and winding the middle-layer steel wire mesh belt on the outer side of the inner-ring spiral weft through a middle-layer steel wire mesh belt winding welding seat; the operation stability of production equipment is improved, the convenience of replacement and adjustment of the mesh belt storage roller is effectively improved, a mesh framework is formed by continuous online welding of warp-direction steel wires and inner and outer weft-direction steel wires, and the mesh framework and steel-plastic formed by one-time co-extrusion composite molding of polyethylene plastic penetrate through each other in a three-dimensional mode and are embedded with each other to jointly bear the working load.

The invention belongs to the technical field of special maintenance of reactor bodies, and particularly relates to an electric spark machining head for cutting a sleeve flange in a narrow space. Comprising an expansion mechanism, a fine adjustment jacking mechanism, a rotating mechanism, an electrode and a radial servo feeding mechanism, the rotating mechanism provides rotary motion of the electrode and drives the electrode to conduct rotary machining, the radial servo feeding mechanism provides radial feeding motion of the electrode, and the expansion mechanism plays a role in fixing and positioning. The fine adjustment jacking mechanism drives the rotating mechanism, and the radial servo feeding mechanism drives the electrode to do up-down, rotating and radial feeding movement. The method has the beneficial effects that the damage to the pressure-bearing boundary of the primary loop of the nuclear power unit can be avoided under the condition that the heat sleeve is worn out of limits and needs to be replaced aiming at the common problem of wear settlement of the heat sleeve of the control rod driving mechanism of the nuclear power unit, and the whole dismantling work has relatively high safety, reliability and economical efficiency; and greater benefits can be created for the operation of a power plant.

The invention discloses an electric spark nondestructive testing evaluation method for the integrity of a waterproof layer of a cable trench, and belongs to the technical field of nondestructive testing, and the method comprises the following steps: applying a multi-frequency electric signal through a preset moving electrode; the initial contact pressure of the moving electrode and the surface of the waterproof layer is obtained in real time, the pressure of the contact position of the moving electrode is adjusted, an electric spark signal generated at the defect position of the cable trench waterproof layer by a multi-frequency electric signal applied by the moving electrode is captured, and characteristic parameters of the electric spark signal are extracted to generate current electric spark characteristic data; utilizing the current electric spark characteristic data to distinguish defect types so as to generate a defect evaluation result; and outputting defect distribution information and triggering an acousto-optic alarm according to a defect evaluation result. According to the method, a detection mode of combining multi-frequency electric signal excitation and electric spark signal feature extraction and analysis is adopted, waterproof layer defect types can be distinguished, the severity of the waterproof layer defects can be evaluated, and the detection accuracy is improved.

A method for preparing a profiled microchannel plate heat exchanger, and belongs to the technical field of heat exchange. The method based on a combination of a plurality of methods formed by selective laser melting and micro electrical discharge machining can realize a profiled microchannel plate heat exchanger having large aspect ratio flow channels and closed profile section flow channels.

The application discloses a kind of electric spark wire collecting and releasing device and method of convenient automatic wire feeding, belong to spark wire cutting processing technical field, including rack;The top of rack is connected with the adjusting type take-up and pay-off assembly for take-up and pay-off;Adjusting type take-up and pay-off assembly includes take-up and pay-off assembly, adjusting type linkage assembly and translation component, translation component is fixedly connected with rack, adjusting type linkage assembly is connected with take-up and pay-off assembly, adjusting type linkage assembly is fixedly connected with translation component;The end of the winding end of take-up and pay-off assembly is fixedly connected with the elastic compression assembly for cutting wire end fixedly connected;The side of rack close to cutting machine tool is connected with the wire feeding assembly for cutting wire to be sent to elastic compression assembly, and wire feeding assembly is movably connected with elastic compression assembly.The application realizes automatic wire feeding, and it is beneficial to practical use.

A system for measuring the surface roughness of surfaces machined by electrical discharge machining (EDM) using a convolutional neural network, comprising: an image recording device with a camera module for recording images of a machined surface with depressions and burrs produced by electrical discharge machining; an image preprocessing module that is connected to the image capture device and is configured to improve the texture contours of the captured images and optimize the image; a Convolutional Neural Network module configured to receive images captured by the image preprocessing module, wherein the Convolutional Neural Network module comprises the following: a feature extraction submodule with multiple convolution and pooling layers, wherein this submodule is configured to analyze the distribution of light intensity variations in the acquired images, where darker areas correspond to valleys and lighter areas to edges of the processed surface, and extracts features from this; and a classification submodule with fully connected layers and an output layer, wherein the classification submodule is configured to predict an arithmetic mean roughness value (Ra) based on the extracted features; a computer device comprising a processor, a working memory and a storage unit, wherein the computer device is configured to execute the convolutional neural network module using the processor, the execution parameters being loaded from memory into the working memory; and an output module integrated into the computer device, wherein the processor is configured to create a database of samples with recorded surface roughness values ​​within the storage unit, the database containing the preprocessed image with timestamp and image metadata as well as the results obtained from the prediction, and wherein the processor is further configured to deliver the predicted arithmetic mean roughness value (Ra) from the output layer to a user interface.

The invention provides an under-water discharge machining system and method for a radiation environment. The under-water discharge machining system comprises a pulse power supply control system, an electric spark machining head device and a servo control system. The pulse power supply control system comprises a power supply control box, a rectifier and a power amplifier which are electrically connected in sequence. And the power amplifier is electrically connected with the servo control system and the electric spark machining head device. The electric spark machining head device is provided with a feedback signal wiring connected to the servo control system. The pulse power supply control system is matched with the servo control system to drive the electric discharge machining head device to guarantee the process of the workpiece to be machined, so that the problem that conventional electric discharge machining equipment cannot be used in the high-radiation and boron-containing water environment is solved.

The invention discloses a real-time energy consumption monitoring and management system for an electric spark machine, and relates to the technical field of industrial automation, the real-time energy consumption monitoring and management system comprises an acquisition module, an analysis module, a control module and a management module, the acquisition module is used for acquiring energy consumption data and processing working condition parameters of electric spark processing equipment and transmitting the energy consumption data and the processing working condition parameters to the analysis module; the data processing module is used for performing energy consumption trend analysis, correlation analysis and energy consumption data abnormity judgment, outputting an analysis result, transmitting the analysis result to the control module, generating an optimization strategy according to the analysis result, outputting a control instruction, and transmitting an execution result of the optimization strategy and a sending record of the control instruction to the management module; real-time monitoring data, an analysis result, an optimization strategy, an optimization strategy execution result and a control instruction sending record of energy consumption data are displayed in real time, single collection is broken through by integrating multi-dimensional information, an abnormal inflection point is dynamically pre-judged, parameter response is quantified, a differential strategy is formed, visual closed-loop management is achieved, and high precision and low energy consumption of electric spark machining are achieved.

The application provides a novel high-temperature-resistant small-hole tilting-pad bearing which is mainly composed of a bearing shell and a metal wire mesh structure, adopts a tilting-pad structure with S spring flexibility, is provided with micro grooves on each pad, and is provided with small holes on the micro grooves as working surfaces for supplying gas to form a gas film. The left and right two parts of the bearing shell are integrally machined by using electric spark technology and are connected and fixed by using cylindrical pins. Since the throttler, the flow channel and the shell are integrally machined, the bearing has the characteristics of high-temperature resistance. The metal wire mesh structure is embedded in the gap between the bearing body and the pad, the metal wire mesh structure provides flexible support for the pad, and can keep the performance stable at high and low temperatures. Therefore, the bearing structure provided by the application can provide higher damping characteristics for the bearing and has the characteristics of high-temperature resistance.

The invention discloses an electric spark source multi-wave micro-logging system and method, and relates to the technical field of seismic exploration, in particular to an electric spark source multi-wave micro-logging system which comprises a cable, a transverse wave converter, a seismic recorder, an electric spark source, a first three-component detector, a second three-component detector and a longitudinal and transverse wave data processing system. An electric spark electrode column is longitudinally arranged in an inner cavity of the transverse wave converter; after being started, the electric spark source discharges through an electric spark electrode column, water molecules at the position where the electric spark electrode column is located are electrolyzed to generate gas through discharging of the electric spark electrode column, the gas impacts a stratum to generate seismic waves, and a first three-component detector and a second three-component detector receive and record seismic wave signals and transmit the seismic wave signals to a longitudinal and transverse wave data processing system; the depth of the transverse wave converter and the depth of the electric spark electrode column are increased by pulling the mooring rope, so that the electric spark electrode column can excite a seismic source at a plurality of observation points, and the purpose of exciting the seismic source for multiple times is achieved.

The invention relates to the technical field of industrial intelligent control, in particular to an electric discharge machine intelligent scheduling and production regulation and control system which comprises a staggered analysis module, a station mapping module, a task distribution module, a trend prediction module and an instruction regulation and control module. According to the method, the processing task parameters and the station bearing parameters of different dimensions are standardized and uniformly mapped, and then the spatial distance is calculated to accurately quantify the matching degree between the tasks and the stations, so that the limitation of static distribution can be eliminated, and redundant production resources are identified and eliminated by analyzing the change of the matching degree; according to the energy demand and time urgency dynamic remapping of a task, simplification and efficiency improvement of production configuration are achieved, meanwhile, the future abrasion risk can be foreseen by collecting key component contour data in real time and converting the key component contour data into a quantitative integrity index, establishing a state dynamic change track and conducting trend extrapolation, and the method has the advantages of being high in practicability and the like. And finally, carrying out comprehensive decision making according to the prediction result and the real-time load margin.

The invention relates to a control method for improving EDT roller texturing efficiency and high-surface automobile aluminum plate oil storage amount. The control method comprises the steps that (1) a single-rack cold rolling mill is adopted; (2) carrying out roller surface treatment by adopting an electrode electric spark roller grinder, wherein the roughness Ra of a working roller before roughening is less than or equal to 0.4 mu m; the roughness Ra after EDT roughening is equal to 1.95 to 2.2 [mu] m; (3) a single-rack cold rolling mill is adopted for production, the rolling oil temperature is 35 + / -5 DEG C, and the rolling oil pressure is 6.0-9.0 bar; (4) an air cushion type continuous annealing line is adopted for cleaning and solid solution aging treatment; (5) carrying out surface appearance and pit size measurement on the prepared aluminum plate by adopting a 3D optical microscope; and (6) the manufactured aluminum plate is measured through a 3D non-contact optical contourgraph. By means of the method, the requirements for the surface roughness Ra and Rpc of the automobile sheet can be met, the downstream stamping cracking risk and the corrosion spot defect caused by the too large surface pit diameter are reduced, the better high-surface automobile sheet, the higher aluminum sheet surface oil storage amount and the lower friction coefficient can be obtained, and the EDT roller texturing working time can be saved.

The invention relates to the technical field of intelligent diagnosis, in particular to an electric discharge machine machining process intelligent diagnosis method which comprises the following steps of analyzing the electric discharge machine discharge voltage change rate, dynamically adjusting a sampling window and a channel, extracting signal channel switching amplitude characteristics, correcting periodic weight parameters and outputting a dynamic weight adjustment parameter set. And calculating a weighted sum, screening a deviation period, marking an energy anomaly paragraph, and outputting a wear trend identifier. According to the method, dynamic changes of discharge signals are monitored in real time, sampling channels are optimized according to the signal fluctuation trend, weight distribution and linkage analysis among parameters in a period are adopted, energy fluctuation and abrasion information are collected in a sequence form, multi-dimensional data continuously refer to each other in the machining process, trend positioning can be achieved for abnormal phenomena, and the machining precision is improved. The abnormal tracking mechanism of the whole process is perfected, the identification granularity and trend tracing capability of state evolution are improved, and the process monitoring and risk prompting under the complex processing condition are enhanced.

The invention belongs to the technical field of special maintenance in a high-radiation environment of a nuclear power plant, and particularly relates to a digital control system and method for high-radiation boron-containing underwater electrical discharge machining. Comprising a control module, the control module is respectively connected with a human-computer interaction interface, an input / output module, an analog-to-digital conversion module and field layer equipment, the input / output module is connected with a limit switch, and an external alarm and a control instruction are input into the input / output module. And the temperature signal, the gap voltage current and the conductivity are converted by the analog-to-digital conversion module and then are input to the control module. The method has the beneficial effects that in the electric spark discharge machining operation process under the high-radiation boron-containing water environment of a nuclear power plant and the like, centralized and effective control over all field layer equipment is achieved, and the problem that conventional discharge machining equipment cannot be used under the high-radiation boron-containing water environment is solved.

The invention discloses an electric discharge machine multi-machine cooperative machining control method and system, and relates to the technical field of electric discharge machines. A mapping table is established, an alignment state is generated, a medium pollution threshold value is set and monitored, candidate scheduling is generated, simulation is performed by using a discharge parameter template, and gap updating monitoring, electrode abrasion compensation writing, verification before transfer and remeasurement are combined to generate a receipt. Through unified work order analysis and operation drawing modeling, centralized management of the electrode, the machine tool capacity and the quality threshold value is achieved, it is ensured that the machining precision of different machine tools is consistent, the overall efficiency is improved, the stability of continuous machining is kept, through transfer verification and quality closed loop, it is ensured that all procedures are traceable, and the working efficiency is improved. And continuous optimization is realized through abnormal classification and experience library updating, so that rework is reduced on the whole, and the stability, precision and production takt of multi-machine collaborative processing are improved.

The preheating oil injection and ignition integrated ignition electric nozzle comprises a shell, a central electrode is coaxially arranged in one end of the shell, the periphery of the central electrode is coaxially sleeved with a side electrode, and a cable wiring terminal connected with the central electrode is arranged at one end of the shell; a central oil pipe is arranged in the central electrode, an oil inlet pipe connected with the central oil pipe is arranged on the side wall of the shell, the central oil pipe is sleeved with a heating electrode, an oil cavity is formed between the inner side face of the heating electrode and the outer side face of the central oil pipe, and a spiral runner is arranged in the oil cavity. A nozzle is arranged at the end of the center oil pipe and comprises at least one vortex-shaped rotating part rotationally arranged corresponding to the end of the center oil pipe, a nozzle is formed in the center of each vortex-shaped rotating part, and a heating piece assembly with the adjustable heating drift diameter is arranged at the end, away from the center oil pipe, of each nozzle in a winding mode. Oil liquid can be fully preheated before being sprayed out, the designed oil liquid rapidly reaches the ignition temperature, the oil liquid can be smoothly ignited by electric sparks, meanwhile, it can be guaranteed that the oil liquid is evenly and fully diffused, the heating gap of the oil liquid is adjusted according to the flow of sprayed oil liquid, and the heating efficiency is improved. And the oil liquid can be fully preheated while being fully and uniformly diffused.

The invention discloses an electric spark wire winding and unwinding device and method facilitating automatic wire feeding, and belongs to the technical field of spark wire cutting machining. The top of the rack is connected with an adjustable winding and unwinding assembly used for winding and unwinding. The adjustable winding and unwinding assembly comprises a winding and unwinding assembly, an adjustable linkage assembly and a translation assembly, the translation assembly is fixedly connected with the rack, the adjustable linkage assembly is connected with the winding and unwinding assembly, and the adjustable linkage assembly is fixedly connected with the translation assembly; the end part of the winding end of the winding and unwinding assembly is fixedly connected with an elastic crimping assembly for fixing the end part of the cutting wire; the side portion, close to the cutting machine tool, of the rack is connected with a wire feeding assembly used for feeding cutting wires to the elastic crimping assembly, and the wire feeding assembly is movably connected with the elastic crimping assembly. Automatic wire feeding is achieved, and actual use is facilitated.

The invention discloses a control system and method for a precise automatic multi-axis numerical control electric spark forming machine, and relates to the technical field of electric spark forming machines, and the system comprises a motion control module which is used for controlling an electrode of the electric spark forming machine to execute an open circuit discharge interface detection process to determine an initial interface, and controlling the electrode to be located on the initial interface; the flushing control module is used for responding to the detected initial interface, controlling the working solution to flow at a first speed in a first time interval and flow at a second speed in a second time interval after the first time interval to flush metal particles generated by the metal material, the first speed is larger than the second speed, and the first speed is larger than the second speed. The working fluid flows at a second speed; and the discharge detection module is used for determining the initial interface as an open-circuit discharge interface if the discharge of the electrode is detected in the second time interval in response to the end of the first time interval. According to the invention, the accuracy of determining the open-circuit discharge interface is improved.

The application relates to the technical field of electrode clamping of an electric spark machine, in particular to an electrode clamping device and method of an electric spark machine. The electrode clamping device of the electric spark machine comprises a chuck and a conductive seat which are fixedly connected through a fixing base and coaxially arranged in an upper and lower position. The inside of the fixing base is provided with a scraping plate which can horizontally move laterally at the bottom of the conductive seat and a driving plate which can vertically ascend and descend at the side of the conductive seat. The plate surface of the driving plate is parallel to the lateral moving direction of the scraping plate. When an electrode rod is inserted from the bottom of the chuck and gradually approaches the conductive seat, the driving plate converts the ascending movement of the electrode rod into the horizontal lateral movement of the scraping plate to scrape the bottom end surface of the conductive seat. The scraping plate scrapes the bottom end surface of the conductive seat once every time the electrode rod is installed, so that the electrode rod can be stably electrically connected with the conductive seat every time.

The application belongs to the technical field of electric spark machining, and discloses an electric spark machining method and an electric spark machining device. The electric spark machining method comprises the following steps: dividing a workpiece to be machined into a plurality of spliced and connected machining areas, and disassembling an electric spark electrode into a plurality of independent electrode modules, the plurality of electrode modules correspond to the plurality of machining areas one by one, and each electrode module processes a corresponding machining area; the plurality of electrode modules sequentially process the corresponding machining areas until the machining of each machining area is completed. The electric spark machining method provided by the application reduces the discharge area of each electrode module on the machining area in the machining process by sequentially processing the corresponding machining area by the plurality of electrode modules, avoids a large instantaneous fluid negative pressure generated by each electrode module when the electrode is lifted, ensures that the working fluid fully penetrates and infiltrates the machining area in the machining process, avoids damaging the workpiece to be machined, and ensures the machining quality.

The utility model discloses a high -speed spark -discharge wire cutting device with wire storage mechanism is provided in the electric spark wire cutting technical field, including the first wire storage cylinder and second wire storage cylinder of vertical setting in the wire storage box. The high -speed spark -discharge wire cutting device with wire storage mechanism, through the first wire storage cylinder and second wire storage cylinder of vertical arrangement, cooperate the sliding block of sliding setting, realize the conductive wire on the first wire storage cylinder after cutting section and set up to second wire storage cylinder, thereby realize single -layer wire storage, and the sum of the conductive wire length between first fixed pulley and first movable pulley and the conductive wire length between second fixed pulley and second movable pulley remain unchanged in the moving process of moving block, thereby realized the conductive wire moving stability, compared with existing device, avoided the problem that the wire speed changed when the electrode wire was arranged in the laminated arrangement on the wire cylinder, improved wire cutting stability.

The utility model belongs to the technical field of exploration, and provides a high-power electric spark source transmitting probe, which comprises a first electrode, a second electrode, a first insulating part, a second insulating part, a discharge ring and a locking part, the first insulating part is arranged in the first electrode; the second electrode sleeves the inner side of the first insulating part, and the first end of the second electrode extends to the outer side of the first electrode opening; the discharge ring sleeves the outer side of the first end of the second electrode; the second insulating part is clamped between the discharge ring and the first electrode; the locking piece is used for locking the discharge ring and the second insulating piece to the outlet of the first electrode, and the first electrode is filled with high-voltage insulating glue. After the emission probe discharges, quick-wear parts such as the discharge ring and the second insulating part can be disassembled by disassembling the locking part, and the second insulating part and the discharge ring can be quickly replaced. Meanwhile, the first electrode is filled with the high-voltage insulation paste, so that the stability of the second electrode can be improved, and the phenomena of current leakage and the like in the first electrode can be prevented.

The utility model discloses a kind of liquid-cooled brushless explosion-proof generator, relate to generator technical field.This kind of liquid-cooled brushless explosion-proof generator, including generator and liquid cooling component.The liquid-cooled brushless explosion-proof generator, the utility model sets two groups of radiating water pipes, and the heat generated by stator assembly is quickly conducted to radiating water pipe by heat-conducting material, cooperate with the circulating flow of coolant between inlet pipe and outlet pipe, can quickly, effectively take away the heat generated when generator operates, compared with traditional air-cooled heat dissipation mode, heat dissipation efficiency is significantly improved, ensure that generator keeps lower temperature in long time running process, avoid performance decline or failure due to overheating;Explosion-proof shell set by generator, good sealing, connected by setting reinforcing rib and connecting screw on outside, enhance structural strength and sealing, can effectively prevent internal electric spark etc. Cause external explosion, guarantee the security of use.

The utility model relates to the technical field of electric spark machining, and provides an electrode clamping device which comprises a clamping seat, an auxiliary block is clamped on the clamping seat, an electrode is adhered to the auxiliary block through an adhesive, an adhesion interface of the auxiliary block is flush with an adhesion interface of the electrode, the auxiliary block is clamped through the clamping seat, and the electrode is adhered to the auxiliary block through the adhesive. And the electrode is bonded with the auxiliary block through the adhesive, so that the waste of a traditional electrode clamping section is avoided, and the utilization rate of an electrode material is improved.

The invention relates to information measurement technology, in particular to the field of diagnostics, including the oil and gas industry. The essence of the invention is that in an electrospark defectoscope for diagnosing microcracks, which consists of a control unit and an electrode, according to the invention, a rotating shaft with an encoder that determines the distance it is located inside the pipe during its movement is connected to one end of the electrode, an inverter that regulates the speed of its movement is connected to the motor that moves the blade, a tachometer that measures this speed, and a step-down transformer that reduces the high voltage to the other end of the electrode, A transmitter measuring leakage current and a microcontroller that processes the measured results and simultaneously determines the geometric parameters and coordinates of detected microcracks up to 1.5 mm in size and transmits them to a personal computer were added to its structure.

The invention provides a shell rib mirror image inclined hidden hole electric machining clamping and positioning tool and a using method thereof, and belongs to the technical field of electric machining tools. The problem that in the prior art, the requirements for electrode extension adaptation, hole axis orientation and reliable positioning cannot be met at the same time, and consequently the inclined dark hole electric spark machining precision and efficiency are difficult to guarantee is solved. A threaded bushing is in threaded connection with an inclined plane of a supporting base, and a positioning disc coaxially sleeves the outer side of the threaded bushing and is connected with the supporting base; a circular spigot matched with the outer circle of the positioning disc is formed in the lower end face of the conical shell, a fixing spigot is formed in the upper end face of the conical shell, and a pressing plate screw is screwed into an internal thread of the threaded bushing to fix the fastening pressing plate to the fixing spigot of the conical shell; a first L-shaped support and a second L-shaped support are symmetrically arranged on the left side and the right side of the supporting base. The problems that in the prior art, the requirements for electrode extension adaptation, hole axis orientation and reliable positioning cannot be met at the same time, and consequently the inclined dark hole electric spark machining precision and efficiency are difficult to guarantee are effectively solved.

The efficient heat exchange integrated hydrogen production combustion device comprises a machine body, a feeding assembly, a high-temperature cracking assembly and an ignition assembly, the inlet end of a first pipeline is connected with a feeding source, the outlet end of the first pipeline is connected with the high-temperature cracking assembly, and a gas outlet of the high-temperature cracking assembly is connected with a combustion head; the combustion inner container is arranged in the shell, a flame outlet is formed in the end, extending out of the shell, of the combustion inner container, a snakelike pipeline is arranged in the combustion inner container, the inlet end of the snakelike pipeline is communicated with the first pipeline, and the outlet end of the snakelike pipeline is communicated with the combustion head. The electric spark generator is arranged in the machine body, the end of the electric spark generator extends to the position of the combustion head, an air blowing cavity is formed in the machine body and communicates with the combustion inner container, an air blower is arranged at the position, corresponding to the air blowing cavity, of the machine body, and an air inlet assembly communicating with the air blowing cavity is further arranged on the machine body. Hydrogen production and combustion integration is achieved, storage and transportation are omitted, and safety and high efficiency are achieved.

The application provides a precision machining method for earphone mesh mold forming parts, comprising the following steps: designing a copper electrode three-dimensional design drawing according to an earphone mesh mold forming part three-dimensional design drawing; setting a machining strategy and machining parameters according to the copper electrode three-dimensional design drawing, and generating a numerical control machining program, the machining strategy comprising sequentially performing rough machining, semi-finishing machining and finishing machining on the copper electrode blank; using a precision numerical control machine tool to process the copper electrode blank according to the numerical control machining program to form a copper electrode, in the finishing machining, the inner hole on the copper electrode is machined by using a fifth tool with a diameter of 0.3 mm; screening out qualified copper electrodes according to quality detection standards; using a precision numerical control discharge spark machine to perform electric spark machining according to preset discharge parameters and the qualified copper electrodes, and the part blank is made into an earphone mesh mold forming part. The application can solve the problems of hole deformation and size precision after copper electrode machining, and improve the qualified rate of copper electrodes and earphone mesh mold forming parts.

The utility model discloses an electric spark perforation automatic electrode tube replacement roller feeding mechanism which comprises a motor mounting plate, a bearing mounting seat is arranged on the front side of the motor mounting plate, a supporting plate is mounted on the left side of the motor mounting plate, a motor is mounted on the rear side of the motor mounting plate, and a coupler is mounted on a motor shaft of the motor. Two gears are arranged on the front side of the coupler and meshed with each other, a pressing wheel bearing fixing seat is installed on the bearing installation seat, three bearings are connected to the pressing wheel bearing fixing seat and the bearing installation seat in an inserted mode, the edge of the outer side of each bearing is sleeved with a bearing spacer bush, and the pressing wheel bearing fixing seat and the bearing spacer bush are connected with the pressing wheel bearing fixing seat in an inserted mode. According to the electric spark perforation automatic electrode tube replacing roller feeding mechanism, the belt is additionally arranged, and the situation that two gears on the gear side of the power mechanism collide or are not connected well when copper tubes with different diameters are conveyed to be replaced and adjusted is prevented by additionally arranging the belt.