653results about "Electrical-based machining electrodes" patented technology

The invention discloses a carbon nano tube reinforced tungsten carbide titanium metal ceramic material as well as a preparation method and application thereof, and belongs to the field of metal ceramic materials. According to the invention, a spark plasma coupling high-frequency induction sintering method is adopted, CNTs are uniformly dispersed in a material matrix through a method of dispersing CNTs through dry ball milling again, and the uniformly dispersed CNTs improve the discharge environment, reduce the sintering current and reduce the energy consumption under the spark plasma coupling high-frequency induction effect in the sintering process. The high-compactness, high-strength and high-wear-resistance (W, Ti) C-based metal ceramic material is prepared at the sintering temperature of 1350 DEG C by utilizing the ultrahigh conductive complementary effect of the (W, Ti) C metal ceramic material and the CNTs.

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 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 a precise electrolytic machining method for a herringbone groove microstructure of an air floatation kinematic pair, which comprises the following steps: machining a workpiece by adopting a profiling cathode with a convex structure complementary with a target herringbone groove on the surface, and connecting the workpiece with an anode assembly; the convex structure is a processing area, and an insulating coating is arranged on the surface of a non-processing area except the convex structure; the processing pulse of the power supply system is started at the liquid supply closing stage of the electrolyte system, and the processing pulse of the power supply system is stopped and the electrolyte is updated at the liquid supply opening stage of the electrolyte system. High-precision, low-cost and high-efficiency machining of the herringbone groove microstructure is achieved through profiling cathode shaping, group pulse precise etching and intermittent liquid supply and deslagging, and the problems of stray corrosion control, groove depth gradual change uniformity and batch consistency in electrolytic machining are solved.

The invention relates to the technical field of precision manufacturing and intelligent control, and particularly discloses an intelligent spark machine machining parameter optimization method based on effect feedback, which comprises the following steps of: calculating an abnormal characteristic value of an electrode feeding speed by using Haar wavelet transform, and analyzing time sequence data of conductivity of a working solution by using fast Fourier transform; according to the method, abnormal characteristic values are obtained, the characteristic values are constructed into a comprehensive characteristic vector, the comprehensive characteristic vector is input into a random forest model for comprehensive analysis, an electric spark machining effect score is generated, the system can dynamically adjust the electrode feeding speed and the working fluid conductivity based on the effect score, and it is ensured that machining parameters are always in the optimal configuration; according to the method, the machining efficiency is improved, the rejection rate is reduced, the surface quality and the size precision of the product are greatly improved, and the requirement of precision manufacturing is met.

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.

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 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 utility model relates to the technical field of wire cutting machines, and discloses a guide wheel anti-falling structure which comprises a base, a supporting frame is fixedly installed at the front end of the base, the supporting frame is connected with a first fixing plate and a second fixing plate through a limiting cylinder, and the inner side of the first fixing plate and the inner side of the second fixing plate are each provided with a wire saw guide wheel. An anti-falling device is arranged on the surface of the rope saw guide wheel and comprises an anti-falling clamp, a fixing column and a positioning frame, pull rods on the two sides are pulled firstly, then telescopic springs are stressed and contracted, positioning holes in clamping pieces on the two sides of the anti-falling clamp are aligned with the fixing column, then the pull rods are loosened, the telescopic springs can drive the pull rods to stretch out, and the anti-falling device is arranged on the surface of the rope saw guide wheel. The two clamping pieces are arranged on the fixing shaft and clamped and fixed with the inserting holes, the first threaded holes in the two ends of the two clamping pieces are accurately aligned with the threaded holes of the fixing shaft, then fixing is conducted through the locking bolts, the device is extremely convenient to install and detach, and the stability is greatly improved by adopting a double-fixing mode.

A wire electrical discharge machining (WEDM)-adapted wire electrode includes a core material composed of brass having a zinc concentration of greater than 40 mass %, and a coating layer covering a periphery of the core material, wherein the coating layer is composed of brass having a zinc concentration higher than the zinc concentration of the core material and of 44 mass % or more and 50 mass % or less, and wherein a ratio of a thickness of the coating layer to a diameter of the WEDM-adapted wire electrode is 2% or more and 20% or less.

The utility model discloses a stable and adjustable gravity type automatic wire tightening device suitable for a linear cutting machine tool, which comprises a first wire tightening mechanism, a second wire tightening mechanism, a third wire tightening mechanism, a fourth wire tightening mechanism, a fifth wire tightening mechanism, a sixth wire tightening mechanism, a fifth wire tightening mechanism and a sixth wire tightening mechanism, the gravity wire tightening mechanism is detachably connected with the first wire tightening mechanism and is used for adjusting the tensioning force of the molybdenum wire; the lower end of the gravity wire tightening mechanism is detachably connected with a heavy hammer locking and releasing mechanism, the tensioning force of the molybdenum wire is adjusted by increasing or reducing balancing weights according to the principle that the gravity is constant, so that the molybdenum wire of the wire cut electrical discharge machining tool can obtain the constant, uniform, continuous, stable and adjustable tensioning force in the running process, and the service life of the wire cut electrical discharge machining tool is prolonged. Therefore, the machining precision is further improved, the problem of single-side wire loosening of the wire cylinder is solved, the machining precision of a linear cutting machine tool can be further improved, the machining precision of workpieces such as hole pattern sample plates is guaranteed, and thick workpieces can be easily machined.

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.

A flexible electrode (2) in-line deformation electrical discharge cutting method. During machining of complex surfaces, such as blisks, a flexible electrode (2) is used as a tool electrode for electrical discharge machining, the surface of the flexible electrode (2) is used as a machining surface for performing cutting-type electrical discharge machining along a preset path, and, according to the curvature characteristics of the machined surfaces, the flexible electrode (2) undergoes in-line deformation, thereby completing the machining of complex surfaces. The flexible electrode (2) is made of a material having good electrical conductivity and elasticity, so as to ensure that the flexible electrode (2) can recover after deformation. Using the flexible electrode (2) for realizing electrical discharge cutting machining for three-dimensional complex surfaces can simplify a design process for the tool electrode and improve the electrical discharge machining efficiency.

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 discloses an adjustable multi-electrode electrolytic turning device and method.The adjustable multi-electrode electrolytic turning device comprises a rotary driving device, a multi-electrode device and a movable driving device, the multi-electrode device comprises an annular base, an adjusting device and a plurality of tool electrode tips, and the annular base is provided with a circumferential annular sliding groove and a radial linear sliding groove; the adjusting device comprises a disc rotating in the annular sliding groove, a first driving device driving the disc to rotate and a plurality of sliding blocks moving along the linear sliding groove, a spiral guide rail is arranged on the upper surface of the disc, teeth are arranged on the lower surfaces of the sliding blocks, the teeth on the lower surfaces of the sliding blocks are matched with the spiral guide rail, and when the disc rotates, the sliding blocks slide along the linear sliding groove. The sliding block is fixed to the tool electrode tip through the pressure sensor. Large-allowance removal of shaft part difficult-to-cut materials is achieved in a multi-electrode distribution mode, a driving device composed of an end face gear and a spiral guide rail is adopted, it is guaranteed that machining gaps between all electrodes and a workpiece are consistent, system errors are reduced through feedback of a pressure sensor, and the machining precision is high.

The invention discloses an electrode capable of machining two square holes at the same time and a using and manufacturing method of the electrode, and relates to the technical field of electric spark punching. The electrode comprises an electrode clamping part, the two ends of the short edge of one side of the electrode clamping part are connected with electrode working parts with square sections, and each electrode working part comprises a working section a, a working section b, a working section c and a working section d which are sequentially connected in the direction from the free end to the connecting end of the electrode working part. When the electrode is used, rough machining, semi-finish machining, finish machining and ultra-finish machining can be synchronously carried out on the two square holes through the working sections on the two electrode working parts. According to the electrode capable of machining the two square holes at the same time and the using and manufacturing method of the electrode, simultaneous machining of the two square holes of a high-precision valve part can be completed, and electrode loss is reduced while the requirement that the inner angle of the square holes is not larger than R0.05 mm is met.

The invention discloses a wire cutting machine, and belongs to the technical field of cutting equipment. The wire feeding device comprises a base, a wire feeding assembly and a workbench, wherein the wire feeding assembly and the workbench are arranged on the base; the wire moving assembly comprises a wire storage barrel, an electrode wire, a first extending part and a second extending part, the first extending part and the second extending part are arranged in parallel and arranged on the upper side and the lower side of a workpiece, part of the electrode wire is wound around the wire storage barrel, and the remaining part of the electrode wire can act on the workpiece after being limited by the first extending part and the second extending part. The first extending part comprises a stabilizing part, the stabilizing part abuts against the electrode wire, the stabilizing part can buffer the electrode wire, and the stabilizing part can decelerate the electrode wire which accelerates instantly so that wire vibration of the electrode wire can be reduced. By arranging the stabilizing piece, when the electrode wire vibrates in the radial direction, the stabilizing piece can buffer the electrode wire so as to reduce vibration, and wire vibration is effectively restrained.

The present invention is a multi-tooth segmented electrolytic machining cathode and tooling for rifling large-caliber artillery barrels, which overcomes the problems of uneven flow field and easy short circuit during the machining process of the electrolytic machining cathode in the prior art, poor cathode forming accuracy, high cost of repeated cathode correction, and long development cycle. It includes a cathode body, on which a segmented cathode copper body with multi-tooth working teeth is designed. The rear guide is set at the tail end of the cathode body, and the front guide is set at the cone end of the cathode body. The intermediate connecting device between the cathode body and the pull rod plays a connecting role. During operation, the cathode body, the pull rod, and the intermediate connecting device rotate and feed together. The inner wall of the segmented cathode copper body on the cathode body is provided with a wedge-shaped positioning keyway. The segmented cathode copper body is fixed in series with a wedge-shaped key, and the multi-tooth working teeth on the segmented cathode copper body have different characteristic parameters, including the negative line angle, the positive line angle, the tooth width, the tooth depth, the wrap angle, etc.

The wire frame wire conveying mechanism comprises a machine tool base, a machining table is arranged on the front side of the upper end of the machine tool base, a wire conveying control table is arranged on the rear side of the upper end of the machine tool base, an adjusting sliding plate is arranged at the upper end of the wire conveying control table, and a wire conveying rolling shaft is arranged at the upper end of the adjusting sliding plate. A supporting frame is arranged between the machining table and the wire conveying control table, the lower end of the supporting frame is fixedly connected to the upper end of the machine tool base, the tension of a cutting wire is finely adjusted by a tensioning roller through threaded connection of an adjusting screw rod and a sliding frame, it is guaranteed that the tension of the cutting wire is uniform in the machining process, vibration is reduced, wire breaking is avoided, and the machining precision is improved; the motor mechanism is stably and electrically connected with the cutting line through the conduction sliding rod and the conduction rolling wheel, it is ensured that the conduction rolling wheel is tightly attached to the cutting line through the attaching spring, the stability of current conduction can be kept even when the cutting line moves, and the electric spark discharge effect in the machining process is ensured.

The utility model discloses a gantry type linear cutting machine tool which comprises a machine tool body and a portal frame, a workbench is arranged on the machine tool body, an upper cross beam and a lower cross beam are arranged on the portal frame in the vertical direction, the upper cross beam and the lower cross beam are each provided with an inner bin, an upper wire cylinder is installed in the inner bin of the upper cross beam, and a lower wire cylinder is installed in the inner bin of the lower cross beam. The upper wire cylinder and the lower wire cylinder are used for pulling a molybdenum wire, bin openings of the two inner bins face the same direction, the workbench is provided with a clamping assembly, the linear cutting machine tool adopts a gantry type layout, the bin openings of the two inner bins face the same direction, working operation is greatly facilitated, and no matter molybdenum wire replacement, wire threading or fault removal operation is carried out, the machining efficiency is greatly improved, and the machining cost is reduced. In addition, due to the fact that the upper wire cylinder and the lower wire cylinder are in the up-and-down relation, a lot of winding is omitted, operation is easier, and working efficiency is improved.

The invention relates to an automatic wire threading method and device for reciprocating wire cut electrical discharge machining. The automatic wire threading device comprises a pretreatment part, an upper wire guide part, a lower wire guide part and a signal trigger, the pretreatment part straightens and cuts off the front section of the electrode wire, the upper wire guide part comprises a first sensor and a hydraulic wire conveying piece, and the first sensor is used for detecting the starting point position of a wire head of the electrode wire; the guide pipe assembly is provided with a second wire guide path, the axis of the second wire guide path is tangent to the wire storage barrel at the first position, and an outlet of the second wire guide path is adjacent to or abuts against the wire clamping mechanism on one side of the wire storage barrel at the second position. And the signal trigger is positioned between the outlet of the second wire guide path and the wire clamping mechanism. According to the automatic wire threading device, wire threading of the electrode wire is achieved, the operation difficulty is lowered, the personnel intervention degree is lowered, and the wire threading efficiency is improved.

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 application discloses a split high-precision wire cutting machine capable of adjusting the length of a cutting area. The machine comprises a machine tool and a workbench. The workbench is arranged on the side of the machine tool. The machine tool is provided with a driving roller and a plurality of wire wheels. The driving roller is wound with a metal wire. The machine tool is further provided with an adjusting structure. The adjusting structure comprises a vertical moving structure for adjusting the length of the cutting area, a horizontal moving structure matched with the vertical moving structure and used for not changing the length of the metal wire, and a base structure for mounting the vertical moving structure and the horizontal moving structure. In this way, the split high-precision wire cutting machine capable of adjusting the length of the cutting area has the adjusting structure. The length of the cutting area can be directly adjusted without changing the length of the metal wire. The metal wire does not need to be tensioned again. The processing efficiency is greatly improved.

A double-shaft numerical control wire storage barrel movement driving mechanism for a wire cut electrical discharge machining tool comprises a wire barrel, a left support, a right support, a carriage and a carriage seat, and is characterized in that a wire barrel rotation driving mechanism is composed of a wire barrel driving servo motor, and a wire barrel axial movement driving mechanism is mainly composed of a lead screw, a nut and a carriage driving servo motor. According to the scheme, rotation of the wire storage barrel and axial movement of the wire storage barrel are independently driven by a servo motor movement system capable of being digitally controlled, and associated movement of the rotation of the wire storage barrel and the axial movement of the wire storage barrel can be achieved by digitally controlling the servo motor. Therefore, independent numerical control movement of rotation and axial movement of the wire storage barrel can be met, and the requirement for numerical control linkage of rotation and axial movement of the wire storage barrel can be met. In this way, different requirements of the machine tool during automatic wire threading and actual cutting are well met.

The electric spark electrode comprises an electrode reference table and an electrode body, the electrode body is fixedly connected to the top end of the electrode reference table, the electrode body is in a rectangular ring shape, a through groove allowing a boss to enter is formed in the middle of the electrode body, and the through groove penetrates through the electrode body and the electrode reference table. The electrode can directly machine a groove around a boss in a mold at a time, the problems that inevitable errors are generated due to multiple times of tool setting after the machining electrode is replaced, the machining face of the groove of the mold is uneven, and the attractiveness and functionality of a follow-up injection molding part are affected are solved, the boss can be ignored through the electrode, and the machining efficiency is improved. And the boss is prevented from directly entering the groove for processing, so that the length of the electrode can be reduced, the red copper consumption of the electrode is reduced, and the processing cost is reduced.

According to the combined type drilling electrolytic machining electrode and the electrode array provided by the invention, uniform distribution and effective washing of electrolyte in a machining area are realized by limiting parameters of a water outlet hole of an electrode tip and an insulating sleeve, optimizing the structural size of an electrode main body and a flow guide interface and combining layered machining and a dynamic parameter adjustment strategy; the accumulation phenomenon of electrolytic products is obviously reduced, and the machining precision and the surface quality are improved; the electrode array is matched with the independent control module and the multi-channel distributor, synchronous and efficient multi-hole machining is achieved, and the multi-hole synchronous machining device is suitable for high-precision batch production scenes and has the advantages of being reasonable in structure, flexible to control and wide in applicability.

The invention relates to an electrochemical machining device (12) for machining elongated workpieces (14), with at least two synchronously movable, vertical telescopic guides (26), with a base (38), which is arranged in the region of a lower end (36) of the telescopic guides (26) and has a lower holder (42) for at least one workpiece (14), and with an upper holder (58) for the at least one workpiece (14), which is vertically adjustable to allow the distance between the holders (42, 58) to be adjusted to the length of the at least one workpiece (14), and with an electrode holder (48), which is fastened to the telescopic guides (26) and can be moved relative to the upper holder (58) by the telescopic guides (26). The invention also relates to an installation (10).

The invention belongs to the technical field of nuclear power plant equipment maintenance, and particularly relates to an underwater electric spark maintenance device based on rigid-flexible coupling positioning in an irradiation environment. Comprising an underwater carrying device, an electric spark machining device, a camera monitoring device and a control system. The underwater carrying device provides carrying and positioning supporting for the electric spark machining device, the electric spark machining device achieves underwater cutting of the instrument casing pipe, the control system is arranged on the water, the underwater cutting operation of the instrument casing pipe is completed through remote operation, and the maintenance process is monitored and recorded in real time through the camera monitoring device. The method is simple to operate and short in consumed time, secondary damage to the lower reactor internals is avoided, and the lower reactor internals are not affected to return to the reactor for reuse.

The utility model relates to the technical field of mechanical manufacturing, and discloses a wire cutting device convenient for vertical calibration, which comprises a machine body, a cutting arm and a cutting head, an electrode wire is arranged at the bottom of the cutting head, a vertical component is integrated on the side of the cutting head, and a rotating arm and the cutting arm are magnetically attached or vertically unfolded to switch working states. The vertical assembly comprises a double-layer annular piece and an adjusting bolt, the double-layer annular piece allows the electrode wire to pass through a fan-shaped opening, and the second sliding piece slides along the annular piece and is matched with the threaded adjusting bolt to achieve electrode wire perpendicularity detection. In the calibration process, when the rotating arm is perpendicular to the machine body, the axis of the double-layer annular piece and the cutting shaft are collinear, and perpendicularity is judged by adjusting spark consistency of a bolt end detection round head and an electrode wire. By means of the integrated calibration structure, the problems that a traditional device depends on an external calibration block and is prone to being interfered by the levelness of a workpiece are solved, the calibration efficiency and precision are remarkably improved, and the device is suitable for high-precision linear cutting machining scenes.

The invention relates to the field of micro-rectangular connectors, in particular to a J30-J micro-rectangular connector bonding plane machining device and method, and aims to solve the problem that a large number of products are wasted due to air leakage caused by glass breakage of a glass insulator. The J30-J micro-rectangular connector bonding plane machining device comprises a supporting rack, and a containing box is fixedly connected to the top end of the supporting rack; a placing plate is fixedly connected to the middle of the top end of the placing box, and a fast-assembling assembly is assembled in the placing box; the conductive tool is positioned at the top end of the placement plate through a quick assembly component; and the vertical frame is fixedly connected to the top end of the supporting rack, and the interior of the vertical frame is vertically and rotationally connected with an adjusting screw rod. By means of cooperation of the electrode wire and the conductive tool, electric sparks can be generated at the machining position of the micro-rectangular connector to achieve machining of the bonding plane, compared with a grinding machine mode, burrs can be avoided, and meanwhile the phenomenon that a glass insulator cracks and leaks air is effectively reduced.