1902results about "Electrical-based auxillary apparatus" patented technology

The invention discloses a multi-discharge efficient precision machining device and method for a milling cutter. The multi-discharge efficient precision machining device comprises a high-precision machining tool, an electric spark machining pulse power supply, a discharge monitoring device and a detection device. The high-precision machining machine tool comprises an electric spark machining machine tool, a spindle, a grinding wheel, a workbench and a machine tool body. The main shaft supports accurate movement in three directions; stable and controllable pulse current and voltage are output through the electric spark machining pulse power supply; a voltage probe and a current probe are arranged on the discharge monitoring device, and discharge voltage and current data are collected in real time through the voltage probe and the current probe; the detection device comprises a non-contact optical measuring instrument, the abrasion of the grinding wheel is monitored through the non-contact optical measuring instrument, meanwhile, the machining allowance of the milling cutter blank placed on the workbench and the size precision after finish machining are measured, and the surface quality of the milling cutter is detected; the machining precision and efficiency of the milling cutter are improved, and efficient precision machining of the milling cutter is achieved.

The invention provides a manufacturing method of a compressor piston, the compressor piston comprises a hinge groove, the hinge groove comprises a hinge hole and a mounting opening communicated with the hinge hole, the hinge hole is used for being connected with a transmission piece to achieve eccentric rotation of the compressor piston and a crankshaft and achieve air compression, and the manufacturing method is characterized by comprising the steps that a piston body is machined; the piston body is of a cylinder structure. Cutting feed is conducted from the outer wall of the piston body, at least one time of linear cutting is conducted along the inner walls of the mounting opening and the hinge hole, the hinge hole and the mounting opening are obtained at the same time, and the diameter of the hinge hole ranges from 2.8 mm to 4 mm; the hinge hole and the mounting opening are finely ground; and performing surface treatment on the piston body to obtain the compressor piston. The problems that a hinge groove of an existing compressor piston is machined through drilling, high precision is difficult to achieve, the wall breaking technology is difficult, and the machining efficiency is low are solved.

The present invention relates to an electrolytic processing device and method for a dual-channel component with multi-cathode coordinated feeding, and belongs to the field of electrolytic processing. The electrolytic processing device includes a multi-cathode coordinated feeding drive mechanism, a cathode module and a fixture module; wherein the cathode module includes a profile cathode, an inner and outer channel cathode, and the fixture module includes a blade basin clamp body, a blade back clamp body, and a workpiece clamp body. The present invention adopts a multi-cathode coordinated feeding drive mechanism to drive the cathode module, so that the profile cathode moves along the set feeding direction, and the inner and outer channel cathodes slide and feed along the side of the profile cathode. This movement mode can realize the joint processing of the inner and outer channels and blade profiles of the dual-channel component, thereby improving the forming accuracy and efficiency. The multi-cathode coordinated feeding drive mechanism is composed of a longitudinal guide rod, a transverse slider, a longitudinal slider, an angle adjustment double rod, etc. By adjusting the initial position of each slider and the mechanism angle, the single-side channel cathode is independently controlled to realize the independent processing of the inner and outer channels, ensure the channel forming accuracy, and have strong processing adaptability.

The invention belongs to the technical field of machine manufacturing, and particularly relates to a metal part discharge machining precision control method and system.The method comprises the steps that discharge gap multi-dimensional physical parameters are sensed in real time in a multi-modal mode, high-dimensional feature extraction and data fusion are carried out, an intelligent discharge state prediction model is constructed, and on the basis of a prediction result, a metal part discharge machining precision control system is obtained. And processing parameters such as a pulse power supply, servo feeding and dielectric liquid are adjusted in an ultra-fast and self-adaptive mode, and iterative optimization of the processing process is achieved. By the adoption of the technical scheme, the machining precision, the surface quality and the consistency of the metal part can be remarkably improved, electrode loss is reduced, and the machining efficiency is improved.

The embodiment of the invention discloses a double-end spark machine and an anti-collision control method thereof. The double-end spark machine comprises a numerical control system, an anti-collision module, a first main shaft and a second main shaft. The anti-collision module, the first main shaft and the second main shaft are all connected with the numerical control system; the anti-collision module is used for detecting first distance data between the first main shaft and the second main shaft and generating a distance range signal according to the first distance data; the numerical control system is used for determining the distance state between the first spindle and the second spindle according to the distance range signal and controlling operation of the first spindle and the second spindle according to the distance state, and the machining efficiency of the double-end spark machine is improved while collision between the first spindle and the second spindle is avoided.

This invention discloses a radial electrolytic machining apparatus and method for integral bladed disks with multi-channel variable cathodes, relating to the field of electrolytic machining technology. The apparatus includes a cathode tool, a guide assembly, and a transmission assembly. The cathode tool is slidably connected to the guide assembly along a feed trajectory, which has components along the radial direction of the bladed disk blank and circumferential components around the centerline of the cathode tool. The cathode tool is connected to the machine tool spindle via the transmission assembly, which converts the axial movement of the machine tool spindle into radial movement along the bladed disk blank. This invention also provides a method for radial electrolytic machining of integral bladed disks with multi-channel variable cathodes. The apparatus and method provided by this invention have a simple structure, stable operation, and high machining efficiency.

The invention relates to the technical field of rocket thrust chamber manufacturing, and discloses an additive forming part linear cutting and taking auxiliary system for a rocket thrust chamber. The system comprises a multi-source data acquisition module for acquiring geometrical morphology data of the additive forming part through various sensors; the cutting path planning module is used for generating a global cutting path sequence based on an improved genetic algorithm; the dynamic deformation compensation module is used for compensating thermal deformation and vibration interference in real time by using a fuzzy adaptive observer; and the multi-axis cooperative control module is used for constructing a distributed constraint optimization model to realize accurate control of multi-axis motion. The system can accurately collect data, reasonably plan a cutting path, effectively compensate deformation, ensure multi-axis cooperative work, remarkably improve the quality and efficiency of linear cutting and taking of the rocket thrust chamber additive forming part, reduce the production cost and provide powerful technical support for spaceflight manufacturing.

The invention relates to the technical field of wire cutting machines, and provides a roller device convenient to disassemble and assemble and a disassembling and assembling method. The assembly parts are arranged at the two ends of the roller; the assembly part extends outwards to be provided with a threaded section, and an abutting groove hole is formed in the end, away from the roller, of the threaded section. Each assembly part is connected with a jacking assembly, each jacking assembly comprises an assembly main body and a jacking main body rotationally arranged on the assembly main body, the jacking main body is provided with a jacking plug inserted into the jacking slotted hole, a nut part is rotationally arranged outside the jacking plug, and the nut part is in threaded connection with the threaded section; the driving mechanism is connected with the propping main body of any propping component; and the assembling main body of the jacking assembly at one end far away from the driving mechanism is connected with the supporting frame through an elastic structure. The roller has the advantages that only the roller needs to be disassembled and assembled during disassembly and replacement, the roller does not need to be disassembled together with a driving mechanism, the whole disassembly and replacement process is simpler and more convenient, and the disassembly and replacement efficiency of the roller can be improved.

The present invention relates to a closed - type blade - ring screwed - in cascade - channel electrochemical machining device and method, belonging to the field of electrochemical machining. The device mainly includes a support disk, a workpiece, an insulating gasket disk, a tailstock, a cathode rod, a cathode head, etc. During machining, the cathode remains fixed, and the workpiece rotates and feeds along an arc - shaped trajectory in the axial direction of the blade, gradually machining the cascade channel into shape. A group - slit structure is arranged on the cathode head to ensure sufficient supply of electrolyte to the machining area. A reverse - flow groove is arranged on the insulating gasket disk, so that when the cascade channel is about to be machined through, the electrolyte will not disperse, but under the action of the reverse - flow groove, it will be flushed back to the machining area, preventing liquid shortage and ensuring machining stability.

The invention discloses high-stability automatic wire dismounting and threading wire cutting equipment, which belongs to the technical field of wire cutting and comprises a rack, a wire winding and unwinding mechanism used for winding and unwinding a wire is mounted on the left side of the rack, and a wire tensioning mechanism used for adjusting the tightness of the wire is mounted on the middle side of the rack. A silk thread vertical conveying mechanism used for guiding silk threads to be conveyed downwards and assisting in threading is installed on the upper side of the machine frame, and a workpiece driving mechanism used for clamping and driving a workpiece to move is installed on the right side of the machine frame. A silk thread transverse conveying mechanism used for receiving silk threads penetrating through the workpiece and conveying the silk threads to the silk thread winding and unwinding mechanism is installed on the lower side of the rack. In this way, when a silk thread penetrates through a workpiece and is bent, the silk thread can be normally clamped on the lower guide wheel for silk thread conveying, the silk thread penetrating stability is improved, pipes can be rapidly replaced to conduct perforation of different sizes and conveying of silk threads of different thicknesses, and the silk threads are rapidly fixed to a take-up barrel for take-up.

The utility model discloses a device for removing burrs in a pump body of a fuel engine, which comprises electrolysis electric control equipment, an electrode clamp communicated with the electrolysis electric control equipment, and a plate frame filter used for filtering and circularly providing electrolyte, and the plate frame filter is communicated with the electrode clamp; the electrolysis electric control equipment comprises a bearing table and a power supply mechanism used for providing current, and the positive electrode and the negative electrode of the power supply mechanism are electrically connected with the bearing table or the electrode clamp. A recovery opening is formed in the bearing table, electrolyte flows to the first recovery pool through the recovery opening, the first recovery pool is communicated with the plate-and-frame filter through a suction pipeline and a suction pump, and the plate-and-frame filter is communicated with the second recovery pool through an electrolyte return pipe. According to the device for removing the burrs in the fuel oil machine pump body, the current pulse is formed in the workpiece to be cleaned, the medium flowing at a high speed is cooperated, the burrs at the intersecting part with poor accessibility in a metal part are better removed, and the device is reliable and efficient.

The application discloses a blisk cascade deforming radial feeding electrolytic machining tool and relates to the technical field of electrolytic machining. The bottom base has a supporting function; the cathode connecting rod comprises a plurality of cathode blocks which are sequentially hinged; one of the cathode blocks is fixedly connected with the bottom base, and corresponding grooves or holes are arranged on each of the cathode blocks; the strip-shaped object has the ability of deforming and resisting deformation; and the strip-shaped object is arranged in all the grooves or holes. The blisk cascade deforming radial feeding electrolytic machining tool can realize the controllable deformation of the cathode blades on the cathode connecting rod in a spline curve, thereby adapting to the machining requirements of the shape of the twisted blade blisk cascade channel, and improving the machining precision. In addition, the application is suitable for the radial feeding electrolytic machining of the twisted blade blisk and can also be used for machining components with twisted channel structure characteristics, such as closed blade rings, and has universality.

The invention relates to the technical field of electric meter wiring, in particular to a gantry type wire cutting machine which comprises a supporting assembly, a wire cutting assembly and a wire cutting assembly. The wire moving assembly comprises wire guide nozzles fixed at one ends of the two support arms, and electrode wires which sequentially penetrate through the upper wire guide nozzle and the lower wire guide nozzle and can be conveyed; the discharge assembly comprises an extension arm capable of vertically translating, a steering engine fixed at one end of the extension arm, a fork frame fixed on a rotating shaft of the steering engine, and a conductive block which slides in the fork frame along the axial direction of the rotating shaft of the steering engine, and the conductive block is connected with the negative electrode of the pulse power supply; and a compression assembly. The height of the conductive block is adjusted according to the thickness of a workpiece, the length of the discharge section of the electrode wire is shortened, position adjustment of the conductive block and control over the length of the discharge section of the electrode wire are combined, energy consumption is effectively reduced, and the probability that the electrode wire is broken during adjustment in the prior art is further avoided.

The invention discloses an automatic threading wire cutting machine, and belongs to the field of wire cutting equipment. The automatic threading wire cutting machine comprises a rack, a wire source device, a lifting device, a threading device, an upper wire guide piece, a sleeve and a sensor, the wire source device, the lifting device and the threading device are installed on the rack, the upper wire guide piece is installed on the lifting device, the sleeve is arranged on an upper wire guide rod in a lifting and sleeving mode, and the sensor is arranged at the position matched with the sleeve. The lifting device is used for driving the upper wire guide piece and the sleeve to ascend and descend, and when the lifting device enables the distance between the end of the upper wire guide piece and the workpiece to reach the preset distance, the sleeve is connected with the workpiece to trigger the sensor. According to the invention, the sensor is matched with the sleeve to detect the positions of the upper wire guide piece and the workpiece under the condition that the upper wire guide piece is not connected with the workpiece, so that the probability of deviation of the bottom of the upper wire guide piece, which is provided with the eye mold, is reduced; the problem that in the prior art, due to the fact that an eye die deviates easily, the linear cutting machining precision of automatic wire penetrating is reduced is solved.

The medium-speed wire cutting machine tool convenient to clean comprises a machine tool body, an electrode wire used in cooperation with the machine tool body is installed in the machine tool body, a support is arranged on the back face of the electrode wire, the back face of the support is fixedly connected with the inner wall of the machine tool body, a box body is arranged at the bottom of the support, and a brush roller is arranged on the front side in the box body. Cleaning liquid in the water tank is conveyed to the connecting pipe and the transverse pipe through the water pump, then the electrode wire is sprayed and cleaned through the spray head, meanwhile, the brush roller and the water absorption roller are driven by the electric push rod to rotate, the surfaces of the brush roller and the water absorption roller and the surface of the electrode wire are cleaned, and at the moment, the fan blows air to the electrode wire in the box body. The medium-speed wire cutting machine tool convenient to clean has the advantage that the electrode wire is convenient to clean, the stability of the medium-speed wire cutting machine tool is improved, and meanwhile, the electrode wire is prevented from being damaged and fractured during cleaning.

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.

This invention relates to the field of cooling oil filtration, specifically disclosing a cooling oil filtration device for an EDM machine. It solves the problems of existing EDM cooling oil filtration devices being inconvenient to clean, having limited functionality, and high operating costs. The proposed solution includes an upper cylinder, a lower cylinder, a motor compartment, a chuck, a filter element, a telescopic component, a circular disc, a first circular ring, a guide plate, a scraper, and a cleaning brush. A pulling assembly is provided on the circular disc, and an unfolding assembly is provided between the vertical plate and the guide plate. A driving assembly is also provided inside the upper cylinder to drive the first circular ring to rotate, thereby causing the scraper to clean the inner wall of the upper cylinder and the cleaning brush to clean the outer surface of the filter element. This device can be used independently or in combination with an EDM machine, increasing functionality. It allows for multiple oil inlets, greatly improving the efficiency of cooling oil filtration. It is self-cleaning, has good cleaning effect, and low operating costs.

The invention belongs to the technical field of machining equipment, and discloses a double-shaft numerical control rotary table which comprises a base, a rotating unit and a supporting unit, a rotating workbench of the rotating unit can be connected with a clamping component to fix a workpiece to be machined, a rotating shaft can drive the rotating workbench to rotate, and a swing shaft drives the rotating workbench to swing through the rotating shaft. Therefore, multi-face machining of the to-be-machined workpiece is achieved, repeated clamping is avoided, the machining precision and the machining efficiency can be improved, and the supporting unit provides stable supporting for the rotating unit. The inner cavities of the swinging main body, the first supporting body and the second supporting body are all sealed cavities, and an external sealing gas source conveys sealing gas into the three sealed cavities, so that the sealing reliability of the cavities is ensured. The invention further provides an electric spark machine tool which comprises an oil groove and the double-shaft numerical control rotary table, the double-shaft numerical control rotary table is immersed in the machine tool liquid of the oil groove, the sealing effect of the double-shaft numerical control rotary table is effectively guaranteed, and the adaptability of the electric spark machine tool is improved.

The invention discloses a stepped adjusting and cutting device for linear cutting equipment. The stepped adjusting and cutting device comprises a lower wiring groove roller, an upper wiring groove roller, a side rotating mechanism used for adjusting the state of the lower wiring groove roller and a platen. The device has the beneficial effects that the two lower wiring groove rollers are inclined downwards through the side rotating mechanism, the effect of forming an equal-height-difference stepped cutting structure for the distributed cutting lines is achieved, and a traditional horizontal equal-distance-distribution cutting line distribution mode is adjusted into a stepped equal-height-difference cutting line distribution mode; the effect of cutting one by one is achieved, the problem that a plurality of slice parts fall and collide at the same time is avoided, and operation reaction time difference is provided for follow-up implementation of ordered discharging; the saw dust wood frame is used for binding and fixing the bottom of the to-be-cut workpiece, the saw dust wood frame can be cut through the cutting line, the thoroughness of the cutting line cutting the bottom of the workpiece can be guaranteed, meanwhile, the stability of the remaining workpiece part in the cutting state can be maintained, and unnecessary cutting hindrance is reduced.

The invention discloses a moving column type low-speed wire cutting machine tool which comprises a supporting base, a double-axis moving module and a three-axis moving module, the double-axis moving module comprises an X-axis moving table and a Y-axis moving table, the X-axis moving table is installed on the supporting base, the Y-axis moving table is installed on the X-axis moving table, and the Y-axis moving table is installed on the Y-axis moving table. A cutting arm is arranged on one side of the Y-axis moving table, and a lower swing head is arranged at one end of the cutting arm. The three-axis moving module comprises a U-axis moving table, a V-axis moving table and a Z-axis moving table, the U-axis moving table is installed on the Y-axis moving table, the V-axis moving table is installed on one side of the U-axis moving table, the Z-axis moving table is installed on one side of the U-axis moving table, and an upper swing head is fixedly arranged at one end of the Z-axis moving table. The movable column type structural design is adopted, so that vibration or deformation possibly generated by the electrode wire in the cutting process during high-precision machining is reduced.

The present invention belongs to the field of machining, and specifically relates to a quick-install fixture for group clamping of stator blades without mounting plates for wire-cutting machine tools. The technical solution of the present invention is as follows: a quick-install fixture for group clamping of stator blades without mounting plates for wire-cutting machine tools, comprising a base, a positioning block, an X-direction multi-layer hollow flexible clamping device, a Y-direction pull-back flexible clamping device, a Z-direction snap-on clamping device and a magnetic blade clamping device, wherein the positioning block is fixedly arranged on the base, the Z-direction snap-on clamping device is arranged on the positioning block, the X-direction multi-layer hollow flexible clamping device is connected to the base and is located on the right side of the positioning block, the Y-direction pull-back flexible clamping device is installed in conjunction with the base, and the magnetic blade clamping device is quickly detachably connected to the base. The present invention can solve the problems of low blade processing efficiency and poor blade clamping and positioning stability, and effectively improve blade clamping and processing efficiency.

The low-speed wire feeding machine tool comprises a machine tool body, a wire feeding mechanism and a workpiece clamp, a workbench is fixedly installed on the machine tool body, the wire feeding mechanism is installed on the top of the machine tool body, the workpiece clamp is arranged on the workbench of the machine tool body, and a clamp base is installed on the workbench; the workpiece clamp comprises an adjustable positioning assembly which is arranged on a clamp base and used for providing a reference for the position of a workpiece for positioning; the self-adaptive clamping assemblies are symmetrically arranged on the two sides of the top of the clamp base; the adjustable positioning assembly drives a positioning sliding block to slide along a positioning sliding groove through a positioning screw rod, and the position of the positioning sliding block can be accurately adjusted in cooperation with a dial with angle scales. A laser displacement sensor of the real-time positioning detection assembly can detect the position of a workpiece in real time, a signal indicating lamp emits green light when the workpiece is qualified, and an alarm is given when the workpiece is abnormal, the workpiece positioning precision is doubly guaranteed, manual calibration errors are avoided, and a reliable reference is provided for high-precision mold machining.

The application discloses a machine vision controlled block electrode self-adjusting electrolytic machining device and method, relates to the field of electrolytic machining, and electrolytic machining is divided into preforming electrolytic machining and block compensation electrolytic machining; the preforming electrolytic machining stage is a stage of electrolytic machining in which a whole forming tool cathode is used as a cathode to work on a workpiece at a constant feed speed, the stage is used for primarily copying and forming the workpiece, and then the block compensation electrolytic machining stage is started; the block compensation electrolytic machining stage is used for dividing the machining area into zones, capturing image information of electrolytic machining of the workpiece and block electrodes by machine vision, analyzing and processing the block zones, obtaining actual machining gaps of the block zones, comparing and calculating the actual machining gaps with corresponding target values, and then sending instructions to a movement execution system to control specified block electrodes to perform compensation electrolytic machining, so that machining errors caused by fluctuations in conductivity along the way are eliminated, and finally, electrolytic copying and forming machining with higher machining precision is realized in the long process of the distorted workpiece.

The invention relates to a multi-cathode machining method for electrolytic machining of a shrouded leaf disc, and belongs to the technical field of electrolytic machining. The device mainly comprises a tool disc, a tool cathode, a mounting seat, a liquid inlet and outlet device, a liquid sealing plate and the like. The tool cathodes are arranged on the tool disc in a circular array mode, and the liquid inlet pipe corresponding to each tool cathode is connected to the other side of the tool disc and used for providing electrolyte. A backflow gap is designed between every two tool cathodes, so that the stability of a flow field is improved. The upper side of the backflow seam is connected with a liquid outlet device, and a liquid outlet is connected with a back pressure valve to adjust a flow field and improve controllability of the flow field. Liquid sealing plates are designed on inner and outer rings of the tool cathode to ensure that a processing flow field is uniform and stable. During machining, electrolyte passes through the tool disc and the hollow inner cavities of the tool cathodes from the liquid inlet device to reach the machining surface, the tool disc drives all the tool cathodes to rotate around the Z axis while feeding in the negative direction of the Z axis, rotary feeding of the cathodes is achieved, and the machining efficiency is improved.

The utility model provides a plane target material linear cutting tooling, including die ring, a plurality of press block, support block and adjusting bolt, the press block is provided on the upper surface of die ring and is used for pressing the upper surface of the target material to be cut, the support block is provided on the lower surface of die ring and is used for supporting the target material to be cut, the adjusting bolt is used for adjusting the adjusting bolt. The adjusting bolt is arranged on the side surface of the mold ring and used for clamping a target material to be cut in the mold ring to form horizontal positioning; the utility model has a relatively simple structure, does not have a complicated arrangement mechanism, supports the target material to be cut, positions and limits the target material from the horizontal direction and the vertical direction, is convenient for cutting equipment to cut the target material, improves the machining precision of planar target material linear cutting, avoids damage caused by direct falling of the planar target material due to gravity, and improves the working efficiency. Or the cutting precision is influenced by inclination and the like.

The invention relates to the technical field of cutting equipment, in particular to a wandering star wheel wire cutting machine which comprises a base, a positioning plate, a machining platform, a clamping assembly and a cutting assembly. The machining platform is arranged on the base, the positioning plate is fixedly connected to the base through a mounting rod, a through hole is formed in the positioning plate in the first direction, the machining platform is located in the through hole, a space is formed between the peripheral wall of the machining platform and the hole wall of the through hole, and the machining platform is connected to the positioning plate through a plurality of supporting plates; the clamping assemblies are arranged on the positioning plate, the multiple clamping assemblies are evenly distributed in the circumferential direction of the virtual circle at intervals, clamping gaps are formed between the multiple clamping assemblies, the virtual circle is located in the clamping gaps, each clamping assembly comprises a clamping plate and an elastic piece, and the elastic pieces are arranged on the sides, away from the clamping gaps, of the clamping plates; the elastic piece is connected between the positioning plate and the base; the cutting assembly is arranged on the base so that the workpiece can be cut through the cutting assembly. The fixing device has the effect of fixing and positioning the wandering star wheel.

The invention discloses a blind groove electric spark trepanning and reciprocating vibration multi-channel discharging combined machining method, and belongs to the technical field of discharging machining. According to the method, firstly, a thin-wall electrode is adopted for conducting electric spark nesting machining on the outline of the large-depth blind groove, and a blank of the blind groove is efficiently drawn; and then reciprocating vibration multi-channel electric discharge machining is adopted to conduct efficient corrosion removal on the material core obtained after previous trepanning machining, and the corrosion removal efficiency and the surface quality are greatly improved through the synergistic effect of high-frequency reciprocating vibration of an electrode and multi-channel electric discharge. The interpolar chip removal, cooling and deionization characteristics in the machining process are improved, and the machining stability is maintained. Energy is dispersed to multiple channels through multi-channel discharge, the energy density of a single channel is reduced, electrode loss is reduced, and the surface quality is improved. The method is suitable for machining large-depth blind grooves with various end face sizes, the machining time is remarkably shortened, and the cost is reduced.

The application relates to a device and method for electrostatic induction and sound surface wave mask electrolytic machining, belonging to the electrolytic machining field. The pump, the liquid storage tank and the electrolytic tank are connected to realize electrolyte circulation. The various components in the electrolytic tank are riveted. The anode and cathode assemblies and the shielding induction electrode assembly are inserted into the electrolytic tank. The positive and negative poles of the power supply are connected with the anode and cathode plates in the anode and cathode assemblies respectively, and the workpiece arranged in the induction electrode assembly is arranged in the electric field between the anode and cathode plates. The piezoelectric ceramic is attached to the base plate of the induction electrode assembly, and the signal generator and the power amplifier are connected with the piezoelectric ceramic. Based on the device, the piezoelectric ceramic is connected with a megasonic driving voltage to generate a surface wave on the surface of the workpiece; the anode and cathode plates are connected with direct current, and the workpiece is arranged in the electric field formed by the anode and cathode plates, so that the surface to be machined of the workpiece is subjected to oxidation reaction, and the non-machining surface is subjected to reduction reaction, thereby realizing wireless induction machining of the workpiece. The application has the advantages of simple operation, re-distribution of the electric field, enhancement of mass transfer, improvement of mask electrolytic machining precision, arrangement of multiple workpieces in the electric field formed by the anode and cathode plates, and substantial improvement of mask electrolytic machining efficiency.

The utility model relates to the technical field of medium-speed wire feeding machine tools, and discloses a high-stability medium-speed wire feeding machine tool adopting an automatic compensation structure, which comprises a medium-speed wire feeding machine tool main body, the top end of the rear part of the medium-speed wire feeding machine tool main body is fixedly connected with a wire winding drum, and the outer part of the medium-speed wire feeding machine tool main body is fixedly connected with a wire conveying track; the rear end of the top of the medium-speed wire feeding machine tool body is fixedly connected with a cleaning mechanism, and the front end of the medium-speed wire feeding machine tool body is fixedly connected with a water retaining mechanism. The cleaning mechanism comprises a square box, the front end of the square box is fixedly connected to the rear end of the medium-speed wire feeding machine tool body, and the bottom end of the square box is fixedly connected with a connecting pipe. According to the utility model, dust on the surface of the molybdenum wire can be effectively cleaned, the dust is prevented from being accumulated on the molybdenum wire to influence the performance of the molybdenum wire, and the molybdenum wire on the square box is cooled, so that the service life of the molybdenum wire is prolonged, the replacement frequency of the molybdenum wire is reduced, and the production cost is reduced.