5812 results about "Wire cutting" patented technology

The invention relates to the technical field of image processing, and discloses a wire cutting machine cutting path intelligent planning method and system based on image processing. The method comprises the following steps: performing multi-angle image acquisition and preprocessing on a to-be-processed workpiece to obtain a workpiece feature map; inputting the workpiece feature map into a sensing area identification network for processing to obtain a target processing area identification map; performing feature enhancement on the target processing area identification image to obtain an enhanced feature image and an importance weight image; cutting path planning is carried out according to the enhanced feature map and the importance weight map, and an initial cutting path is obtained; and performing multi-objective optimization on the initial cutting path to obtain a target cutting path and a corresponding electric spark parameter configuration table. According to the method, collaborative optimization of the cutting path and the electric spark parameters is achieved, the contradiction among the machining precision, the machining time and the energy consumption is balanced, and the system can achieve the optimal process matching on workpieces made of different materials and with different geometric complexities.

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 discloses a double-wire-walking linear cutting machine tool and a using method thereof, and belongs to the technical field of electrode wire cutting equipment. The double-wire-walking linear cutting machine tool comprises a first wire source device, a second wire source device, a tensioning device, a wire changing and feeding device, a wire penetrating device and a first wire conveying device which are installed on a machine frame, a wire clamping device is installed on the second wire source device, and the wire penetrating device is arranged between the wire changing and feeding device and the second wire source device. The first wire conveying device is arranged on the side, away from the wire penetrating device, of the second wire source device, so that a first electrode wire extends to the wire changing and feeding device from the first wire source device, and a second electrode wire extends to the wire changing and feeding device from the second wire source device through the tensioning device. The wire changing and feeding device is used for conveying the first electrode wire or the second electrode wire into the wire penetrating device. Through cooperation of the tensioning device, the wire replacing and feeding device, the wire penetrating device, the wire clamping device and the second wire conveying device, replacement of the first electrode wire and the second electrode wire can be achieved.

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 invention relates to the technical field of cutting machine control, in particular to a wire cutting machine feeding speed control system and method.The wire cutting machine feeding speed control method comprises the steps that a multi-mode signal recognition material module extracts current and vibration signal features through the self-adaptive feature selection technology, and the current and vibration signal features are obtained on the basis of an improved random forest model; a processing material is identified by combining dynamic weight voting and a weighted fusion method, and online learning and model updating are supported so as to adapt to processing requirements of different materials. The double-loop self-adaptive control module comprises outer-loop initial compensation and inner-loop fuzzy PID adjustment, real-time fine adjustment parameters are optimized according to historical machining records and double-target error values, machining precision and stability are ensured, and machining quality is improved. And the energy consumption management optimization module intelligently regulates and controls the energy consumption of the system by identifying non-processing and processing periods, so that the overall energy efficiency is improved, and energy-saving production is realized. According to the invention, the efficiency and the accuracy of the wire cutting machine in machining of multi-variety and small-batch dies are improved.

The invention relates to the technical field of stone cutting, and provides a diamond wire detection-based wire cutting system and a cutting method.The image acquisition module and the wire diameter detection module are arranged to obtain image information and the wire diameter of a diamond wire respectively, so that the actual abrasion loss of the diamond wire is obtained; the expected value of abrasion consumption in a cutting period is obtained in advance according to the take-up and pay-off length and the lifting speed of the workbench, and the abrasion loss condition of the diamond wire can be judged in time by comparing the actual abrasion value with the expected value, so that the take-up length and the speed of the workbench are adjusted in time to meet the cutting requirement; therefore, the abrasion rate of the diamond wire can be effectively controlled, wire breakage is prevented, and meanwhile the purposes of saving cost and improving stone cutting efficiency can be achieved.

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 utility model relates to a tensioning mechanism of a loop line cutting machine, which comprises a spring, a spring seat, a guide rod, a sliding block and a linear driving piece, one end of the guide rod is connected with the spring seat, the guide rod is sleeved with the spring, the other end of the guide rod penetrates through a limiting plate, and the limiting plate is assembled on the guide rod in a sliding mode; one end of the spring abuts against the spring seat, and the other end of the spring abuts against the limiting plate; the linear driving piece is arranged on the sliding block and can drive the sliding block to move in one direction, the limiting plate is connected with the sliding block, and the sliding block is provided with an installation part for installing a wire wheel. By the adoption of the tensioning mechanism, on the premise that the normal tensioning effect is achieved, the diamond loop line can be conveniently replaced, and then the production efficiency is improved.

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 displaying and observing aggregated niobium compounds causing stretching layering cracking of wheel steel. The method comprises the steps of sampling, grinding, low-power defect display, stripping, inlaying, grinding, polishing, corrosion, scanning electron microscope observation and phase component and element atomic ratio determination through an energy disperse spectroscopy. According to the method, the periphery is ground after sampling, then the segregation defect is displayed through corrosion of a low-power corrosive liquid, the sample is stripped off from the position 0.5-1 mm away from a segregation defect line through linear cutting, hot inlaying is conducted, and after grinding, polishing and corrosion are conducted, the shape, size and distribution of aggregated and distributed niobium compounds can be clearly displayed under a scanning electron microscope; and the components and atomic ratio of the phase can be determined by using an energy disperse spectroscopy.

The invention discloses wire harness pressing equipment which comprises a swing arm device, a wire inlet device, a terminal crimping device, a waterproof plug sleeving device and a pressing device, wherein the wire inlet device, the terminal crimping device, the waterproof plug sleeving device and the pressing device are arranged on the periphery of the peripheral side of the swing arm device. The pressing device comprises a conveying mechanism, a material collecting groove, a wire cutting mechanism, a carrying mechanism, a pipe penetrating mechanism and a pressing mechanism, a first machining station and a second machining station are arranged on the two sides in the pressing device in the conveying direction correspondingly, the conveying mechanism is located between the first machining station and the second machining station, and the wire cutting mechanism is located between the swing arm device and the conveying mechanism; the two sets of material collecting grooves, the two sets of carrying mechanisms and the two sets of pipe penetrating mechanisms are correspondingly arranged in the first machining station and the second machining station respectively, the two material collecting grooves are located below the two sides of the conveying mechanism respectively, and the pipe penetrating mechanisms and the pressing mechanism are located above the conveying mechanism. The wire harness winding phenomenon can be avoided, and the processing efficiency is high.

The invention discloses a wire cutting machine for screw production. The wire cutting machine comprises a base, a feeding cutting device arranged at one end of the base and a cold heading device arranged at the other end of the base. The feeding and cutting device comprises a cutting base, and the cutting base is provided with a straightening groove position and a forming positioning hole. The cutting seat is provided with a material pushing mechanism on one side of the straightening slot position; the pushing mechanism is provided with a pushing shaft which is arranged in the forming positioning hole in a sliding mode. The cutting base is provided with a cutting assembly. A straightening device is arranged at the position, corresponding to the straightening groove position, of the base; the straightening device is provided with a straightening channel; the straightening device is in one-way transmission connection with the pushing mechanism; a material moving mechanism is arranged at the position, corresponding to the straightening channel, of the base; continuous production of screws is achieved, so that the production efficiency is improved, the coordination time of cutting and cold heading is effectively shortened, and the consistency of products is better.

The invention provides a multi-wire cutting device capable of synchronously adjusting variable spacing, which comprises a rack, a variable spacing driving mechanism, a roller wheel group, a cutting wire, a second driving mechanism and a synchronous transmission mechanism, the variable-pitch driving mechanism comprises a first driving mechanism used for driving the outer roller wheels to rotate to achieve cutting operation and a variable-pitch assembly used for adjusting the distance between the roller wheel sets. When the distance is adjusted, the roller wheel sets do not need to be detached, and the distance between the roller wheel sets can be synchronously adjusted only through motor control; in the variable-pitch multi-wire cutting machining process, stable operation of the wire cutting machine can be achieved, and due to the small step angle of the stepping motor, the high transmission ratio of the worm gear and the worm and the wide-range transmission ratio of the planetary gear set in the aspect of adjustment, distance adjustment of the variable-pitch multi-wire cutting machine has the beneficial effects of being high in efficiency, stability, precision and flexibility; and the method is suitable for production scenes with machining requirements of high efficiency, high precision and wide cutting range, so that the method is easy to popularize and apply.

The invention relates to the technical field of motor manufacturing, and discloses a stator winding machine. The stator winding machine comprises a rack, a winding device and a fixing jig, the rack is provided with a workbench, the winding device comprises an X-axis movement mechanism, a Y-axis movement mechanism, a Z-axis movement mechanism, a clamping and shearing structure and a wire feeding structure provided with a wire nozzle, the Y-axis movement mechanism is arranged on the workbench in a sliding mode, the X-axis movement mechanism is arranged on the Y-axis movement mechanism in a sliding mode, the Z-axis movement mechanism is arranged on the X-axis movement mechanism in a sliding mode, and the clamping and shearing structure is arranged on the Z-axis movement mechanism in a sliding mode. The wire feeding structure is arranged on the Z-axis movement mechanism in a sliding mode, and the clamping and shearing structure is arranged on the Z-axis movement mechanism and located on one side of a wire outlet of the wire nozzle. The fixing jig comprises a clamping mechanism and a rotary mounting structure provided with a mounting groove, the rotary mounting structure is rotatably arranged on the workbench, the clamping mechanism is arranged on the rotary mounting structure in a swinging mode, a clamping opening of the clamping mechanism faces the mounting groove, the rotary mounting structure is provided with a wire hanging column, and the wire hanging column is located on one side of the mounting groove. Automatic wire hanging, wire winding and wire cutting are achieved, and the machining precision and the production efficiency are improved.

The wire cutting assembly comprises a bottom frame, a cutting frame, rollers, a take-up and pay-off assembly, a tensioning assembly and a lifting frame, the cutting frame is arranged at the upper end of the bottom frame, the lifting frame is arranged under the cutting frame through a lifting device, the rollers are symmetrically arranged on the cutting frame, and the tensioning assembly is arranged on the lifting frame. The take-up and pay-off assembly comprises a pay-off device and a take-up device, at least two cutting lines are wound on the roller at intervals corresponding to the take-up and pay-off assembly, the pay-off device and the take-up device are arranged on the cutting frame corresponding to the two ends of the cutting lines, and one take-up and pay-off assembly correspondingly controls take-up and pay-off of one cutting line. The tensioning assembly is arranged on the cutting frame corresponding to the pay-off device and the take-up device. Through the arrangement of the multiple pay-off devices and the multiple take-up devices, simultaneous work of multiple cutting lines is achieved, the speed and tension of each cutting line can be independently controlled, and the problem that tension is possibly uneven when multiple cutting lines are driven by a traditional single motor is solved.

The utility model relates to the technical field of battery piece production, in particular to a wire distribution mechanism of a battery piece series welding machine. Comprising a workbench, a wire supply assembly and a wire distribution assembly. The wire supply assembly comprises a material carrying frame, a wire drawing device, a wire cutting device and a first guide device, the material carrying frame and the first guide device are both arranged on the workbench, and the wire drawing device and the wire cutting device are both slidably connected to the first guide device; the wire distributing assembly comprises a second guiding device, two end wire clamping devices, a plurality of wire clamping cutter combination devices and distance adjusting driving sources, the wire clamping cutter combination devices are located between the two end wire clamping devices, one distance adjusting driving source drives one end wire clamping device to move, and the other distance adjusting driving source drives the other end wire clamping device to move. One distance adjusting driving source drives one tobacco clamping cutter combination device to move, and the end tobacco clamping device and the tobacco clamping cutter combination device are both connected to the second guide device in a sliding mode; the production and processing requirements of shred supplying, shred cutting and distance adjusting are met, the production automation degree is improved, and the production efficiency is improved.

The invention discloses a main shaft system of a multi-wire cutting machine and a synchronous control method of the main shaft system, the multi-wire cutting machine comprises three main shafts and three driving rollers, the three main shafts are driven by three driving motors to rotate respectively, and the three driving rollers are installed on the three main shafts respectively; the driving motors are servo motors and can control the rotating speed of the main shaft and feed back the torque of the main shaft. The main shaft synchronous control method of the multi-wire cutting machine comprises the steps that torques fed back by the three main shafts are compared, when the torque fed back by one main shaft is too large, the rotating speeds of the other two main shafts are adjusted, the torques fed back by the three main shafts tend to be consistent, and the peripheral linear speeds of the three driving rollers tend to be consistent. In the invention, the cutting line is driven by multiple spindles, so that the load of each spindle can be equally divided, the linear speed of each spindle tends to be consistent, and the equipment can continuously and stably run.

The invention discloses a weak-rigidity free-form surface monocrystalline silicon reflecting lens and a processing method thereof. The method comprises the following steps: obtaining a monocrystalline silicon block; cutting into blocks; diamond wire cutting; precisely grinding the back surface; performing slicing; the free-form surface sucker adsorbs the lens; precisely grinding the front surface into a cylindrical surface; polishing the magnetorheological elastomer; releasing the lens; the cylindrical sucker adsorbs the lens; precisely grinding and thinning the back surface; releasing the lens; cutting edges and carrying out wet etching on the back surface; and carrying out ion beam modification processing to achieve the final surface shape precision of the free-form surface. According to the X-ray reflecting lens machining method, the free-form surface weak-rigidity reflecting mirror is clamped and deformed into the cylindrical surface for machining, the whole process is ultra-precision grinding and polishing of the cylindrical surface, the machining method is simple and mature, the manufacturing cost is extremely low, dependence on an ultra-high-precision multi-axis linkage machine tool is completely eliminated, and the machining precision is greatly improved. And the machining efficiency is greatly improved, and the method is suitable for mass production of reflectors.

The invention discloses a wire harness butting and pressing method. The method comprises the following steps: S1, sequentially mounting a waterproof plug and a terminal at the rear ends of a plurality of wire harnesses; s2, the wire harnesses are conveyed backwards one by one through a conveying line, the wire harnesses are cut off through a wire cutting mechanism, the front ends of the wire harnesses are clamped through a first carrying mechanism of a left machining station or a right machining station, and wire harness bodies slide into a material collecting groove of the left machining station towards the left side or slide into a material collecting groove of the right machining station towards the right side; s3, the first carrying mechanisms of the left and right processing positions clamp the front ends of the wire harnesses and carry the wire harnesses backwards to a doubling mechanism for doubling treatment; s4, second carrying mechanisms of the left and right processing positions clamp the front ends of the wire harnesses of the corresponding processing positions and carry the wire harnesses backwards to a pipe penetrating mechanism, and the front ends of the wire harnesses are sleeved with heat shrink pipes through the pipe penetrating mechanism; and S5, third carrying mechanisms of the left and right processing positions clamp the front ends of the wire harnesses of the corresponding processing positions and carry the wire harnesses backwards to a pressing mechanism for pressing, and winding of the wire harnesses can be avoided.

The invention discloses a high-throughput preparation method of an alloy material based on centrifugal supergravity solidification. The method comprises the steps that alloy raw materials are put into a smelting furnace to be subjected to vacuum smelting and pouring, and a cast ingot is obtained; the cast ingot is sequentially subjected to linear cutting, mechanical grinding, ultrasonic cleaning and constant-temperature drying, and an alloy original material of the super-gravity prepared alloy is prepared; processing the original alloy material into a block cast ingot and putting the block cast ingot into a crucible; placing the crucible in a centrifugal supergravity casting furnace; carrying out supergravity solidification on the block cast ingot in the crucible by utilizing a centrifugal machine and a centrifugal supergravity casting furnace; and finally taking out the block cast ingot to obtain a solidified alloy sample. The device is simple in structure, easy to operate and high in safety coefficient, and alloy samples with alloy components and microstructures in gradient distribution in the supergravity direction can be obtained.

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 invention discloses a horizontal winding machine which comprises a machine table, two magnetic core rotating mechanisms, a wire hooking mechanism, a winding mechanism, a magnetic core feeding mechanism, a discharging frame assembly, a product conveying mechanism, a wire conveying mechanism, a wire grabbing mechanism and a wire cutting mechanism. The positions of magnetic cores can be rotated through the magnetic core rotating mechanisms, the uniformity of winding every time is guaranteed, station conversion of the magnetic cores among the magnetic core feeding mechanism, the two magnetic core rotating mechanisms and the discharging frame assembly can be achieved through the product conveying mechanism, and enameled wires can be provided through the wire conveying mechanism, the wire cutting mechanism and the wire grabbing mechanism. According to the horizontal winding machine, due to the fact that the horizontally-arranged wire hooking mechanism is adopted, when a long enameled wire is wound, only the length of the wire hooking mechanism needs to be increased, the height of the machine table does not need to be increased, and operation of workers is facilitated.

The utility model relates to annular line processing equipment for a metal structural member, which belongs to the technical field of metal processing and comprises a structural member assembly, a guide wheel cutting mechanism and a workbench mechanism. The guide wheel cutting mechanism comprises a driving wheel, a driven wheel, a tension wheel, a detection wheel and a cutting line; the cutting line surrounds the driving wheel, the driven wheel, the tension wheel and the detection wheel to form an annular line; the motor drives the cutting line to circularly rotate through the driving wheel; the workbench mechanism comprises a push-pull assembly, a lifting assembly and a feeding workbench. A workpiece is arranged on the feeding workbench. The push-pull assembly comprises a lifting assembly mounting frame and a push-pull driving device; the push-pull driving device pushes and pulls the lifting assembly mounting frame to move horizontally, and the pre-cutting position of the workpiece is moved to the position under a cutting line; the lifting assembly comprises a lifting support and a lifting driving device. The lifting driving device drives the workpiece to ascend and descend through the feeding workbench. The cutting device can stably and efficiently cut workpieces, is high in cutting precision and low in cost, and does not pollute the working environment.

The invention relates to a laser cutting-off technology, in particular to a laser bonding wire cutting-off device for chip detection, which comprises a workbench and the like, a fixed block is arranged above the workbench, and the fixed block moves through a first linear module mounted on the top surface of the workbench; a laser cutting device used for cutting off a welding wire is installed on the fixing block, and a datum plate is fixedly connected to the top face of the fixing block. The laser cutting device is provided with wiping blocks and other parts, the vertical positions of the wiping blocks are adjusted through the adjusting part, so that one wiping block can make contact with the bottom face of the lens of the laser cutting device, and when tiny impurities or dust on the lens of the laser cutting device needs to be wiped, the second linear module is started; the second linear module drives the moving block to move, so that one wiping block can wipe the lens of the laser cutting device, wiping can be completed in a laser cutting gap, manual wiping is not needed after each time of use, and time and manpower resources are saved.

The invention belongs to the technical field of honeycomb ceramic wet blank cutting, and discloses a honeycomb ceramic carrier wet blank cutting device which comprises a conveying device, a lifting device is fixedly connected to the conveying device, supporting columns are fixedly connected to the two sides of the top end of the lifting device, and a steel wire is arranged above the two supporting columns in a combined mode. The clamping plates at the two ends are jacked and moved through stress of the hinge plates, then the connected rubber plate rods are driven to synchronously translate, the steel wire is not clamped any more, the steel wire which is passively clamped and limited can keep tight tension all the time, the stability of the steel wire cutting process is guaranteed, and the event that in the prior art, after the steel wire is used for a long time, loosening and insufficient tension are generated is avoided; when the two rubber plate rods do not clamp and limit the steel wire any more, the continuously and passively rotated screw wheel can instantly generate friction force with the contacted steel wire, so that the screw wheel slides in the telescopic scraping disc, the surface of the steel wire is cleaned, blank materials are prevented from being adhered to the steel wire, and an irregular cutting surface is prevented from being caused.

The invention relates to the technical field of wire harness processing, in particular to a shielding network wire harness turning and cutting device, which comprises a wire cutting mechanism comprising a clamping cutter holder assembly, a first rotary wire turning assembly arranged opposite to the clamping cutter holder assembly, and a cutter shaft assembly arranged at the center of the first rotary wire turning assembly and coaxial with the clamping cutter holder assembly; the wire turning mechanism and the wire cutting mechanism are arranged in parallel, and a second rotary wire turning assembly is arranged in the wire turning mechanism; the wire harness carrier is arranged at the front ends of the wire cutting mechanism and the wire turning mechanism and is used for clamping and transferring the wire harness; wherein the first rotary wire turning assembly is used for scattering a shielding net on a wire harness and turning the shielding net to the clamping cutter holder assembly, the cutter shaft and the clamping cutter holder assembly extrude to cut off redundant shielding wires, and the length of the remaining shielding wires is matched with the length of a wire harness shielding ring. According to the invention, the redundant length of the shielding wire is cut off, and then the shielding net is turned over to the copper ring, so that the damage to the wire harness is avoided, and the yield of the wire harness is improved.

A preparation method of a motor winding comprises the following steps that S1, conductor line segment cutting and insulation paste caulking and fixing are completed on a prefabricated copper plate blank workpiece, and the relative positions of a segmented wire body and a visual positioning hole are kept consistent; s2, conductor lead wire and short circuit wire cutting; S3, conductor lead wire and short circuit wire caulking fixation with insulation glue; s4, carrying out secondary thermocuring on the UV photocuring adhesive on the workpiece to obtain a final joint filling and fixing effect; s5, removing residual glue on the conductor copper plate; s6, cutting internal and external electric connection points of the conductor copper plate, and performing laser cutting on the internal and external electric connection points of the conductor to form independent electric connection points; winding hot pressing and electrical connection point connection are carried out, multi-layer stacking is carried out on the conductor copper plates and the PP sheets, internal and external electrical connection points connected with each other are aligned, the stacked conductor copper plates and the PP sheets are fixed, and the conductor copper plates and the PP sheets are placed in a vacuum hot press for bonding pressing of the conductor copper plates and the PP sheets and electrical connection of the upper and lower electrical connection points at the corresponding positions.

The utility model relates to the technical field of linear cutting machine tools, in particular to a wire pressing device for a linear cutting machine tool, which comprises a support frame, a mounting plate fixed on the side surface of the support frame, support plates fixed at the top end of the mounting plate, winding pulleys mounted between the two support plates, and a cutting wire connected between the two winding pulleys. The two ends of the cutting line penetrate through the line through holes, friction and abrasion are reduced through protection of the protection sleeve, limiting and stabilizing are conducted through the installation cylinder, the cutting line is kept vertical, and cutting use is facilitated. The cutting line is wound on the surface of the winding pulley, the winding pulley is rotated through the rotating handle, the length and the tightness degree of the cutting line between the two mounting plates are adjusted, the jacking plate is jacked and fixed through the jacking bolt, the stability of the winding pulley is kept, then the cutting line can be wound in order, and the tightness degree of the cutting line can be adjusted.

The invention relates to the technical field of resistance wire processing, and discloses a wire cutting device for resistance wire processing, the wire cutting device comprises a base and a resistance wire body, the upper surface of the base is fixedly connected with a second mounting rack and a third mounting rack which are horizontally distributed, and the second mounting rack and the third mounting rack are fixed; a first mounting frame is fixedly connected to the position, located on one side of the third mounting frame, of the upper surface of the base, a correcting assembly for straightening the resistance wire body is arranged on one side of the second mounting frame, and a conveying assembly for conveying the resistance wire body is arranged on one side of the second mounting frame. According to the wire cutting device, a worker does not need to manually adjust the resistance wire, the hands of the worker are prevented from being cut by a cutter, the use safety of the wire cutting device is improved, the worker does not need to manually straighten the resistance wire, the use convenience of the wire cutting device is improved, the worker does not need to manually collect the resistance wire, and the labor intensity of the worker is reduced. The time is saved, and the resistance wire cutting efficiency is improved.