2966results about "Electrical-based auxillary apparatus" patented technology

An automatic wire threading and removal method and device for wire cutting. The method comprises: guiding a molybdenum wire that is conveyed upwards by a wire feeding device below a workpiece (16) to pass through the workpiece (16) by passing through the workpiece (16) from above the workpiece (16) by means of a wire guiding tube (12); clamping the molybdenum wire by means of a wire clamping device, and pulling the molybdenum wire back to an appropriate position by means of a wire spool (118); then, using a flexible-shaft wire-pulling hook (02) to pull an end of the molybdenum wire to the wire spool (118); tightening the molybdenum wire by means of a wire tightening device (21) arranged on a lower wire holder (18), and securing the end of the molybdenum wire by means of a plurality of wire-pressing elastic sheets (141) arranged on the wire spool (118); and cutting off the molybdenum wire between the flexible-shaft wire-pulling hook (02) and the wire-pressing elastic sheets (141) by means of a wire cutting knife (126) to complete a wire threading operation. During wire removal, the molybdenum wire is clamped by using a wire removal and pressing device (07), and the wire spool (118) then rotates to pull the molybdenum wire out of the wire-pressing elastic sheets (141) and pull the end of the molybdenum wire to below the workpiece (16) to complete a wire removal operation, wherein waste generated during processing is cleaned up by a waste cleaning brush (17).

The invention relates to the field of linear cutting machine tools, and provides a linear cutting automatic wire threading method and device.The linear cutting automatic wire threading method is characterized by comprising the steps that a lead pipe moving detection wheel with the rotating speed detection function and a lead pipe driving wheel are adopted to control a lead pipe to move up and down from the lower portion of the lead pipe; when downward movement of the lead pipe is blocked, the lead pipe is controlled to ascend by a certain height and rotate by a certain angle to descend, so that the lead pipe is prevented from being damaged, and the success rate of the lead pipe penetrating through the wire penetrating hole is increased; two circular guide nozzles with variable-diameter semicircular grooves in the outer edges are adopted to rotate, a circular hole guide lead pipe and a guide molybdenum wire with the diameter of the lead pipe and the diameter of the molybdenum wire are formed, the position can be updated after the grooves forming the circular hole of the guide molybdenum wire are abraded, and the service life of the circular guide nozzles is prolonged; the automatic threading device is characterized by comprising a mounting plate, a self-protection lead tube driving device, a lead tube rotation driving device and a variable-diameter grooved wheel type guide nozzle, the failure rate of an automatic threading machine tool is reduced, the success rate of automatic threading is increased, and the service life of the guide nozzle is prolonged.

The present invention belongs to the technical field of triangular needle production and processing, and discloses a triangular needle electric discharge machining rotary indexing device, including a fixed seat, a fixed shaft connected to the upper end of the fixed seat, a rotary table and a rotary motor driving the rotary table to rotate along the central axis of the fixed shaft, the fixed shaft passes through the rotary table and is connected to a fixed plate, and at least two needle body clamping mechanisms distributed in a circle are provided on the rotary table. The needle clamping device of the present invention is horizontally rotatably connected to the rotary table, and as the rotary table rotates, the indexing gear connected to the needle clamping device meshes with the fixed fan gear, driving the needle clamping device to accurately rotate 120°, thereby completing the rotary indexing work, and batch indexing can be achieved each time, effectively improving production efficiency.

The invention provides a double-wire system of a wire cutting machine, the wire cutting machine and a wire changing method of the wire cutting machine, which are applied to the field of wire cutting machines, and are characterized in that the double-wire system comprises a limiting assembly used for limiting an electrode wire in the length direction of a machining position; the molybdenum wire winding cylinder is used for containing a molybdenum wire; the molybdenum wire leading-in module is used for driving the molybdenum wire led out of the molybdenum wire winding barrel to move and leading the molybdenum wire into the limiting assembly, and driving the molybdenum wire to return to the molybdenum wire leading-in module when the type of the electrode wire is replaced; the copper wire winding cylinder is used for containing a copper wire; the copper wire leading-in module is used for driving the copper wire led out of the copper wire winding barrel to move and leading the copper wire into the limiting assembly, the copper wire is driven to return to the copper wire leading-in module when the type of the electrode wire is replaced, and the molybdenum wire leading-in module and the copper wire leading-in module are alternately matched with the limiting assembly; the cutting device has the technical effect that a copper wire or a molybdenum wire can be respectively used for cutting a workpiece.

The invention provides a flexible nodular electrode and an electrochemical mechanical composite finishing method for an inner channel, and belongs to the technical field of electrochemical mechanical composite machining. The flexible nodular electrode comprises a plurality of similar nodular units, and each nodular unit comprises an electrode conductive substrate, a universal joint, a porous insulating layer and insulating soft abrasive particles. The adjacent nodal units are hinged through the universal joints, and good flexibility is achieved. The insulating layer on the surface of the conductive substrate of the electrode is made of loose and porous sponge, and an electric field line and electrolyte can penetrate through the insulating layer, so that an electrochemical effect is generated between the conductive substrate and the complex inner channel, and meanwhile, short-circuit burn caused by contact between the conductive substrate and the surface of the complex inner channel can be avoided; the insulating soft abrasive particles are embedded outside the insulating layer, so that a mechanical scraping effect can be applied to a complex inner channel in the machining process, and a passive film generated on the surface of a workpiece is ground away. During polishing, the electrode reciprocates, and complex inner channel polishing is completed under the composite action of electrochemical and mechanical scraping.

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 invention discloses a method for electric spark machining of a high-carbon high-chromium molybdenum alloy steel chute, a first group of electrodes is adopted to machine the chute to be machined, the first group of electrodes comprises a first electrode, a second electrode and a third electrode, when the first group of electrodes is adopted to machine each chute, the first electrode is firstly used for rough machining, and then the second electrode is used for machining; carrying out semi-finish machining by using a second electrode, and finally carrying out finish machining by using a third electrode; after a plurality of skewed slots are machined, after a first electrode in a first group of electrodes is abraded, a second group of electrodes is adopted to machine the skewed slots to be machined, the second group of electrodes comprises a second electrode, a third electrode and a fourth electrode, when the second group of electrodes is adopted to machine each skewed slot, the second electrode is firstly used for rough machining, and then the third electrode is used for semi-finish machining; and finally, finish machining is conducted through a fourth electrode. And in this way, after the (n-3) th electrode in the (n-3) th group of electrodes is abraded, the (n-2) th group of electrodes is adopted to machine the chute to be machined, the (n-2) th group of electrodes comprises the (n-2) th electrode, the (n-1) th electrode and the nth electrode, when the (n-2) th group of electrodes is adopted to machine each chute, the (n-2) th electrode is firstly used for rough machining, and then the (n-1) th electrode is used for semi-finish machining, and finally, finish machining is conducted through the nth electrode. The invention aims to improve the processing efficiency and reduce the production cost while ensuring the processing quality.

The invention provides a flexible braided electrode and an electrochemical polishing method for a complex inner channel, and belongs to the technical field of electrochemical machining. The flexible braided electrode is formed by mutually braiding a plurality of flexible conductive wires and a plurality of flexible insulating wires according to a certain interval, the diameter of the insulating wires is larger than that of the conductive wires, and steps with a certain height are naturally formed between the insulating wires and the conductive wires, so that short-circuit burn caused by contact between the conductive metal wires and an inner channel can be avoided, mass transfer can be enhanced, and product discharge can be accelerated; the flexible woven electrode is of a hollow net-shaped cylindrical structure, internal and external compound flushing can be achieved, and the flushing effect is improved. During polishing, the flexible braided electrode can be bent and deformed in a bent inner channel in a self-adaptive manner, internal and external compound flushing is performed by utilizing the internal and external through characteristic, and electrochemical polishing of the complex inner channel is realized by combining rotation and reciprocating motion of the electrode. The invention provides the flexible braided electrode with ingenious conception, and the flexible braided electrode is supplemented with an innovative process method, so that high-efficiency and high-quality finishing of a complex inner channel can be realized.

The utility model relates to the technical field of electric spark cutting machines, and discloses an electric spark numerical control cutting machine alignment device which comprises a working table and a cutting machine body right facing the working table, an adjusting assembly driving the cutting machine body to ascend and descend is installed on the working table, first supporting frames parallel to each other are fixed to the two sides of the working table, and the first supporting frames are fixed to the working table. A second supporting frame and a third supporting frame which are perpendicular to the first supporting frames are fixed between the first supporting frames on the two sides, the second supporting frame and the third supporting frame are parallel to each other, a horizontal lead screw is rotationally connected to the second supporting frame, the two ends of the horizontal lead screw are in threaded connection with clamping seats, opposite threads are arranged at the two ends of the horizontal lead screw, and the clamping seats are in threaded connection with the clamping seats. Clamping plates are fixed to the adjacent sides of the clamping seats on the two sides, and pressing mechanisms are fixed to the clamping seats on the two sides and the middle of the third supporting frame. The fixture has the following advantages and effects that a workpiece can be conveniently and automatically positioned and aligned, meanwhile, the workpiece is rapidly pressed and fixed, and the machining efficiency is improved.

The invention relates to the technical field of cutting, and provides an adjustable linear cutting machine tool which is characterized in that a wire conveying device is arranged above a fixed box and is used for cutting a workpiece. And the movable adjusting device is arranged above the fixed box, is arranged on the side of the wire conveying device and is used for driving the workpiece to move. And the circulating device is arranged in the fixed box and is used for cleaning and cooling the workpiece and circularly filtering the cooling liquid. The controller is arranged above the fixing box and electrically connected with the wire conveying device, the movable adjusting device and the circulating device. The tightness degree of the electrode wire is adjusted through rotation of the circular ring on the wire conveying device. A first electric guide rail, a second electric guide rail and a water pump are opened through a trigger button, a workpiece is cut and cooled after an electrode wire starts to move, and the cutting efficiency can be affected when the electrode wire stops moving.

The invention relates to the technical field of linear cutting machine tools, and discloses a vertical linear cutting machine tool which comprises a base, a motor is installed on one side of the upper portion of the base, an adjusting assembly for controlling the motor to rotate forwards and backwards is connected to one side of the output end of the motor, a bobbin is arranged on one side of the output end of the adjusting assembly, and a tail barrel is arranged at the tail end of the bobbin. A brake assembly is installed on the outer side of the tail barrel, one side of the brake assembly is in linkage with a quick clamping assembly through a push rod, and a contact assembly is installed on the side, away from the motor, of the upper portion of the base. According to the vertical type linear cutting machine tool, if the wire breaking condition occurs in the working process of the device, the upper and lower groups of quick clamping assemblies can be combined in a short time to clamp the wire in the device, the situation that the broken wire is stored by a bobbin to cause difficulty in later winding is avoided, the broken wire head is clamped and fixed, a fracture does not need to be found, and the working efficiency is improved. And later-stage re-coiling utilization is facilitated.

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.

The utility model relates to the technical field of spark machine electrode guide, specifically an electrode guide device for precision electric spark machine processing, comprising an adjusting mechanism, a supporting mechanism and a clamping mechanism, wherein the supporting mechanism is located at the bottom end of the adjusting mechanism, and the clamping mechanism is located at the bottom end of the supporting mechanism. The adjusting mechanism comprises a mounting block, a ball head shaft is movably installed inside the mounting block, a clamping plate is fixedly installed at the front end of the ball head shaft, first adjusting screws are movably installed at both ends of the clamping plate, the first adjusting screws are movably installed at both sides of the front end of the mounting block, fixing screws are movably installed at the four corners of the top end of the mounting block, an adjusting plate is fixedly installed at the bottom end of the mounting block, and second adjusting screws are movably installed at the four corners of the adjusting plate. The utility model drives the electrode to complete parallelism and adjustment of the X-axis and the Y-axis through the ball head shaft, and diversified adjustment ensures that the electrode guiding is more accurate, while the guiding structure is simpler, not easy to be damaged, and the operation is simple and quick.

The invention discloses a part machining method, a clamp and a clamp manufacturing method, the clamp comprises a main body, and the surface of the main body is provided with a first plane and a second plane which are parallel; the clamping hole is a circular hole, and one end of the clamping hole is located on the first plane; the deformation joint is arranged on the main body and communicates with the first plane and the second plane, one end of the deformation joint is located in the main body, the other end of the deformation joint penetrates through the clamping hole and extends to the surface of the main body, and the two parts, corresponding to the two sides of the deformation joint, of the main body are separated into a first part and a second part; and the fastening mechanism is arranged on the main body and drives the first part to be close to the second part. After a part is placed in the clamping hole, the fastening mechanism drives the first part and the second part to be close to each other, so that the parts, on the two sides of the deformation joint, of the clamping hole are close to each other, and the part is clamped and fixed.

The invention discloses a pipe electrode auxiliary type punching, threading and cutting integrated device and a machining method thereof.The pipe electrode auxiliary type punching, threading and cutting integrated device comprises a lifting table A arranged on a machine tool Z-axis stand column, and a punching device is arranged on the lifting table A. The punching device comprises a pipe electrode used for punching machining; a wire feeding device for feeding an electrode wire into the tubular electrode is arranged on the lifting platform A and above the tubular electrode; a wire receiving device used for receiving the electrode wire is arranged on the machine tool Z-axis stand column and located below the pipe electrode; the electrolyte supply device is used for supplying electrolyte into the tubular electrode; the electrolyte sprayed at high pressure in the tubular electrode is used for blowing straight and guiding during threading of an internal electrode wire; the punching, threading and cutting integrated machine tool has the advantages that punching, threading and cutting integrated machining can be achieved, various clamping procedures are reduced, and the machining efficiency is improved; the punching and cutting machining efficiency is high, the machining precision is high, the quality of the machined surface is good, and various machining methods such as electric spark machining and electrolytic machining can be achieved at the same time.

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.

A numerical control medium-speed wire cutting device relates to the field of numerical control medium-speed wire cutting equipment and comprises a machine tool body, a machining table is mounted on the machine tool body, two protective boxes are mounted on the machining table, a lifting seat and a wire feeding frame are mounted on the machine tool body, and the wire feeding frame is mounted on the lifting seat. A liquid conveying pipe used for conveying cutting liquid is connected between the machine tool body and the lifting base. The cutting fluid supply device further comprises a cutting fluid supply mechanism, and the cutting fluid supply mechanism is installed on the lifting base. The device further comprises a blocking protection mechanism and a linkage locking mechanism. It needs to be explained that in the embodiment of the invention, when the liquid level of the cutting liquid in the transfer box descends, the cutting liquid in the liquid storage box can be supplemented into the transfer box in time, and the floating plate can seal the liquid conveying pipe to guarantee continuous supply of the cutting liquid, so that the machining quality of workpieces is guaranteed, and potential safety hazards are eliminated; in addition, through comprehensive blocking of the blocking cover, the safety of the machine tool and the environment is effectively protected, and meanwhile the cutting quality of the workpiece is guaranteed.

The utility model relates to the technical field of low-speed wire feeding machine tools, and discloses a low-speed wire feeding machine tool with cooling and dustproof functions, which comprises a machine body and a connecting rod, the front side of the top of the machine body is fixedly connected with a hollow frame, the left end and the right end of the bottom of the inner side of the hollow frame are fixedly connected with hollow plates, and the front sides of the hollow plates are rotatably connected with two-way screw rods; the rear ends of the two-way lead screws penetrate through the hollow plates, the front sides and the rear sides of the outer walls of the two-way lead screws are in threaded connection with movable blocks, one sides of the movable blocks are rotationally connected with first rotating shafts, and the adjacent sides of the two hollow plates are provided with clamping plates. According to the clamping device, the rotating rod can be driven by the servo motor to rotate, the driving bevel gear can rotate along with the rotating rod, the driven bevel gear can also rotate along with the rotating rod, at the moment, the clamping plates on the two sides can move towards the middle to limit and clamp a workpiece to be machined, and the workpiece to be machined is not prone to shaking and shifting due to the influence of external factors in the machining process; therefore, the machining quality of the workpiece is ensured.

The invention provides a wire clamping device of a wire cutting machine, which is applied to the field of wire cutting machines, and is characterized by comprising a wire conveying pipe which slides along a linear direction and is used for conveying an electrode wire; the sliding driving device drives the wire conveying pipe to slide; the wire winding barrel is used for winding an electrode wire; the first clamping piece and the second clamping piece are used for clamping and fixing the electrode wire in a matched mode, and the first clamping piece is fixed to the wire winding barrel; the pressed part is arranged in the wire winding cylinder; the elastic piece is used for extruding the pressed piece towards the direction far away from the inner wall of the wire winding barrel; the connecting piece is connected with the pressed piece and the second clamping piece, when the elastic piece applies pressure to the pressed piece, pressure is transmitted to enable the second clamping piece to apply pressure to the first clamping piece, and the first clamping piece and the second clamping piece are extruded by the wire conveying pipe to be opened; the electrode wire has the technical effect that the fracture risk of the electrode wire can be reduced.

The utility model provides a flue gas treatment structure of a wire cut electrical discharge machining tool, and belongs to the technical field of waste gas treatment. The flue gas treatment structure of the wire cut electrical discharge machine tool comprises a wire cut electrical discharge machine tool body and a flue gas treatment mechanism, a working plate is mounted at the top of the wire cut electrical discharge machine tool body, a working head is mounted at the bottom of the working plate, a treatment box is arranged on the left side of the wire cut electrical discharge machine tool body, and an air pump is mounted on the right side of the treatment box; by arranging the flue gas treatment mechanism, the flue gas treatment mechanism can move along with the working plate and the working head in the working process of the working plate matched with the working head, flue gas generated in the working process of the working head is sucked, meanwhile, dirt particles in sucked flue gas are subjected to adsorption treatment, and the dirt particles in the sucked flue gas are removed. And the situation that smoke is diffused everywhere and difficult to treat in the working process of the working head is avoided, so that the convenience and comprehensiveness of smoke treatment are improved.

The invention relates to the technical field of pulse state recognition, in particular to an electric spark discharge pulse state recognition and control system and method.The electric spark discharge pulse state recognition and control method comprises the following steps that gap voltage is obtained, and whether the gap voltage is rising edge voltage or not is judged; comparing the gap voltage which is judged to be the rising edge voltage with a preset threshold voltage; when the gap voltage is the same as any one of the preset threshold voltages, a trigger state identifier is set to be 1, and counting is started from a preset value A1; when any one of counting stopping conditions is met, counting is stopped, the state identifier is reset, and the counting value is returned to the preset value A1; calculating delay time between two time points of counting starting and counting stopping; judging the delay time and outputting a judgment result; and performing control according to the judgment result. According to the invention, based on the pulse voltage threshold and the time characteristic, the short-circuit arc pulse and the arc discharge pulse are rapidly and accurately identified.

The invention discloses a side-flow type electrolytic machining device and method for sealing a casing cavity, an electrolytic machining machine tool comprises a machine tool rotary table and a machine tool spindle, the electrolytic machining device comprises a clamping assembly, a clamping assembly, a clamping assembly and a clamping assembly, the clamping assembly is used for clamping a casing workpiece and fixing the casing workpiece to the machine tool rotary table, and the machine tool rotary table is connected with the positive electrode of a power source; the cathode assembly is connected with the machine tool spindle and arranged on one side of the cartridge receiver in the radial direction of the cartridge receiver so as to form a machining gap with the outer surface of the cartridge receiver, and the machine tool spindle is connected with the negative electrode of the power source; the sealing assembly comprises a sealing sleeve and a pressing mechanism, the sealing sleeve is provided with an inner cavity, a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are located on the two sides of the sealing assembly respectively and communicate with the inner cavity, and the sealing assembly is arranged on the cathode assembly in a sleeving mode so that the machining end of the cathode assembly can be located in the inner cavity; the pressing mechanism is used for enabling the sealing assembly to be pressed and sealed on the outer surface of the casing so as to seal the inner cavity, and the liquid inlet is used for introducing electrolyte to flow through the machining gap and be discharged through the liquid outlet.

A multi-wire cutting machine material-adhesion-free workpiece positioning seat is provided with a side plate and a bottom plate. The side plates are symmetrically arranged left and right, the lower ends of the side plates are fixedly assembled with the bottom plate, a plurality of sets of workpiece positioning grooves are formed in the inner walls of the side plates, a vertical long groove perpendicular to the bottom plate is formed in the middle of each set of workpiece positioning grooves, and the vertical long grooves penetrate through the inner walls and the outer walls of the side plates left and right in the horizontal direction. The upper end of the vertical long groove is communicated with the upper end face of the side plate. The bottom plate is fixed through a clamp on a workbench of the multi-wire cutting machine, a horizontal long groove is formed in the bottom plate, and the two ends of the horizontal long groove are in butt joint with the vertical long grooves in the left side plate and the right side plate respectively. According to the workpiece positioning seat, the cutting operation of a plurality of aluminum alloy workpieces can be completed at a time, and the purposes of improving the cutting work efficiency and reducing the production cost are achieved.

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 discloses a workpiece detection method, an electrical discharge machine, a computer readable storage medium and a program product, and relates to the technical field of electrical discharge machines, the method is applied to the electrical discharge machine, and the method comprises the steps that a first tool position of a multi-tool-position tool changing device is adjusted to a current operation station, and a target electrode is controlled to machine a to-be-detected workpiece; adjusting a second cutter position of the multi-cutter-position cutter changing device to a current operation position when the target electrode finishes machining one process position on the to-be-detected workpiece or the target electrode finishes machining the to-be-detected workpiece, acquiring a three-dimensional dotting operation parameter of the to-be-detected workpiece, and controlling the target probe to detect the to-be-detected workpiece based on the three-dimensional dotting operation parameter so as to detect the to-be-detected workpiece according to the three-dimensional dotting operation parameter. Obtaining actual dotting data; and obtaining standard point location data of the to-be-detected workpiece, and comparing the actual dotting data with the standard point location data to obtain a workpiece detection result corresponding to the to-be-detected workpiece. The machining efficiency of the spark machine can be improved, and secondary machining of workpieces is reduced.

An automatic wire feeding and discharging mechanism for an automatic wire feeding electric spark wire cutting machine tool is characterized in that a numerical control push-pull mechanism composed of a motor, a chain wheel and a chain pushes and pulls a wire drawing clamping trolley, an electrode wire is clamped and pulled to the position below a wire cylinder from a lower wire guide head of the machine tool, and then the electrode wire is hooked into a wire clamp of the wire cylinder through a wire hooking mechanism; in the automatic threading process of the machine tool, the electrode wire is pulled to the position below the wire cylinder from the lower wire guide head and enters the wire cylinder wire clamp, and the wire clamp of the trolley is normally closed and can be automatically opened to clamp and release the wire. And meanwhile, the chains are stored in the chain storage box outside the processing area by utilizing the gravity and the foldable flexibility of the chains, so that the adhesion of corrosion substances during processing is avoided. In addition, a detection function for detecting whether the wire head of the electrode wire is threaded in place in the wire clamping and drawing trolley is designed, and the mechanism improves the reliability and success rate of automatic wire threading.

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.