15results about "Drawing profiling tools" patented technology

A wire drawing method includes: preparing a first wire rod that includes a first pipe having a first longitudinal length and a second pipe having a second longitudinal length different from the first longitudinal length; creating a second wire rod that includes the first pipe having a third longitudinal length and the second pipe having a fourth longitudinal length different from the third longitudinal length, by reducing a cross-sectional diameter of the first wire rod through wire drawing; and setting a first difference between the third longitudinal length and the fourth longitudinal length in the second wire rod to be smaller than a second difference between the first longitudinal length and the second longitudinal length in the first wire rod.

The utility model discloses a copper pipe combined drawing device convenient to automatically stop, which belongs to the technical field of copper pipe processing, and comprises a processing bottom plate, the upper surface of the processing bottom plate is fixedly connected with a fixed heating box, and the inner wall of the fixed heating box is fixedly connected with a fixed clamping hydraulic rod; the telescopic end of the fixed clamping hydraulic rod is fixedly connected with a clamping frame, drawing dies arranged at equal intervals are arranged in the fixed heating box, and the outer surface of each drawing die makes contact with the bottom face of the clamping frame. According to the copper pipe combined drawing device convenient to automatically stop, through cooperation of the fixed clamping hydraulic rod, the clamping frame, the drawing dies and the die holes, a plurality of copper pipes are drawn into different shapes and sizes through the multiple drawing dies, and then through cooperation of the movable frame, the movable clamping hydraulic rod, the upper clamping block and the lower clamping block, the copper pipes can be drawn into different shapes and sizes. The length of the pulled copper pipe is conveniently controlled, and the effects of drawing and machining different copper pipes and improving the machining efficiency of the copper pipe combined drawing device are achieved.

The utility model relates to an anti-static device for a stainless steel wire. The anti-static device comprises a shell, a cylinder, a winding drum, a pull rope and a balancing weight, the cylinder is fixedly installed in the shell, and a through hole coaxial with the cylinder is formed in the shell so that the stainless steel wire can penetrate through the cylinder. One end of the winding drum extends into the shell, and the winding drum is coaxially and rotatably mounted on the cylinder; one end of the pull rope is fixedly mounted on the winding drum, and the other end of the pull rope penetrates through the shell in a sliding manner; the balancing weight is fixedly installed at the end, away from the winding drum, of the pull rope. The cylinder, the winding roller, the pull rope and the balancing weight are all conductive. A steel wire is inserted into a cylinder through a through hole, and under the action of gravity, a balancing weight pulls a pull rope wound on a winding drum to extend, so that the balancing weight abuts against the ground; and the inner side wall of the cylinder is in contact with the stainless steel wire, so that the electrostatic current on the stainless steel wire is conducted to the bottom surface through the cylinder, the winding roller, the pull rope and the balancing weight in sequence, and the electrostatic current on the stainless steel wire can be effectively reduced.

The invention relates to the technical field of steel cord production, in particular to a fast die changing system and method for a wet drawing water tank, and the fast die changing system comprises a standby die string part which comprises a plurality of standby die string hanging racks, each standby die string hanging rack is provided with a die string of one specification, each die string is provided with a label representing the specification of the die string, and the standby die string part comprises a plurality of standby die string hanging racks; the die string comprises a steel wire and dies sleeved outside the steel wire, and a steel wire section with target length and diameter is arranged between the adjacent dies; the die changing efficiency is improved, prefabrication and rapid replacement of the whole set of die strings are achieved through the standby die string hanging frame, tedious operations such as shearing, wire drawing, die-by-die threading and repeated pinching in a traditional mode are omitted, the die changing time is shortened to 5-10 minutes from the original several hours, and the die changing efficiency is improved. The equipment utilization rate and the production continuity are greatly improved.

The utility model discloses an encoder transmission mechanism, which belongs to the technical field of detection and transmission, and solves the problem of elongation measurement interruption caused by slight vibration or slight displacement of two stretching heads in the working process of the original tension straightening machine. A sleeve hole is formed in the protruding section of the encoder wheel and rotationally connected with a shaft of the encoder, a groove is formed in the periphery of the straight section of the encoder wheel, a steel wire rope is wound around the groove, steel wire rope adjusters are arranged at the two ends of the steel wire rope respectively, one steel wire rope adjuster is connected with the movable stretching head, and the other steel wire rope adjuster is connected with the fixed stretching head. The utility model has the advantages of simple processing, low cost, long service life and high operation efficiency. And under the condition that the tension straightening machine vibrates slightly or two stretching heads move slightly in the working process, data transmission is not interrupted, and loss of elongation data of a product in the stretching process is not affected.

The present application relates to copper material wire drawing technical field, specifically to a kind of copper wire continuous drawing device, including liquid storage bin, wire drawing die, tower wheel type reel and sliding slot;Wire drawing die is installed in the middle of liquid storage bin, tower wheel type reel is installed in the inner chamber of liquid storage bin;Support telescopic rod is opened in tower wheel type reel, further include: buffer mechanism, it is installed on liquid storage bin;Cleaning mechanism, it is installed on the drive end of buffer mechanism;Cleaning mechanism includes polishing assembly, smooth component, pusher and polishing cylinder;Polishing cylinder is installed on the drive end of buffer mechanism;Polishing assembly is installed at the bottom in polishing cylinder, and for the cleaning in sliding slot;Smooth component is installed at the top in polishing cylinder, and for limiting wire rod;The present application realizes the oil dirt etc. in the inner wall of sliding slot to polishing removal by polishing cylinder and polishing piece, and by smooth piece, wire rod is positioned, try to reduce the shaking of wire rod, and also avoid wire rod to be polished.

This utility model discloses a composite heat exchange tube and its production equipment, including: a substrate pretreatment device, an inner and outer tube insertion device, a filler layer coating device, and a composite tube drawing device. The inner and outer tube insertion device inserts the inner tube into the outer tube. The filler layer coating device is located in the middle of the inner and outer tube insertion device. During the insertion process, the filler layer coating device coats the outer surface of the inner tube. The outlet of the inner and outer tube insertion device is equipped with a composite tube drawing device for drawing the inserted heat exchange tube. The composite heat exchange tube proposed in this utility model solves the problems of high cost, short lifespan, and easy corrosion of existing stainless steel heat exchange tubes through innovative structural design and process optimization.

The utility model discloses a wire shifting disc of a wire drawing machine, which belongs to the field of wire drawing machines and comprises a roller, the top and the bottom of the surface of the roller are provided with guide grooves, two sides of the inner wall of the roller are fixedly connected with mounting plates, two sides of the surface of the roller are sleeved with baffles, and the middle parts of the two baffles are fixedly connected with guide rods matched with the guide grooves. Through the arrangement of the expansion assembly and the deviation prevention assembly, during use, a double-shaft motor is started to drive two lead screws to rotate, then the two lead screws rotate to drive a baffle to be horizontally adjusted at equal intervals, then the winding area of the wire coil is expanded, the wire coil is conveniently adjusted and used according to the actual winding requirement, practicability is high, meanwhile, a wire penetrates through an annular plate, and the winding efficiency is improved. The servo motor drives one rotating rod to rotate, then the rotating rod rotates to drive the threaded cylinder to rotate, the threaded cylinder rotates to drive the annular plate to horizontally move under the action of the limiting rod, then the wire is kept stable in the moving process in the moving process, and therefore deviation is avoided.

The utility model relates to the field of steel strand production equipment, in particular to a wire drawing machine for steel strand production, which comprises a wire drawing machine main body, a temperature control system and a steel strand fixing mechanism. The wire drawing machine main body comprises a rack, a wire drawing wheel, a driving motor and a guide wheel, the temperature control system comprises a temperature control box, a temperature sensor, a cooling water pipe and an automatic regulating valve, and the steel strand fixing mechanism comprises a fixing seat, an adjustable clamping device and an elastic supporting piece. The wire drawing device can adapt to steel strands with different diameters, the stability and the machining quality in the wire drawing process are ensured, the production efficiency is improved, the temperature of the wire drawing wheel is monitored and adjusted in real time through the automatic adjusting function of the temperature control system, the situation that the machining quality of the steel strands is affected due to temperature changes is avoided, and the product stability is improved.

The present invention relates to a machine (1) for forming sheet metal by drawing, which comprises two lines of jaws (7) arranged opposite each other and carried by mechanical means allowing their movement in space.This forming machine (1) is characterized in that said lines of jaws (7) have an adjustable length, each one comprising:a first group of jaws (71a), designed to allow the forming of a sheet metal by longitudinal drawing, anda second group of jaws (72a) comprising at least two jaws (72) suitable for occupying:(a) an inactive position, at a distance from the first group of jaws (71a), to allow the latter to perform said longitudinal draw forming, and(b) an active position, in alignment with the first group of jaws (71a), to enable, together, the forming of a sheet by a transverse drawing.

The invention discloses a preparation device and method for a fine-grain nickel-titanium alloy ultrafine wire, the device comprises a cryogenic device main body, a first partition plate is arranged in an inner cavity of the cryogenic device main body, and the inner cavity of the cryogenic device main body is divided into a surface cooling bin and a core cooling bin; a surface spraying head is arranged at the top of the surface cooling bin and used for spraying cooling liquid to the nickel-titanium alloy wire entering the surface cooling bin, and the surface layer of the nickel-titanium alloy wire is cooled. A core spraying head is arranged at the top of the core cooling bin and used for spraying cooling liquid to the nickel-titanium alloy wire entering the core cooling bin and cooling the core of the nickel-titanium alloy wire; a drawing die is arranged outside the side, close to the core cooling bin, of the cryogenic device body. By designing the surface cooling bin and the core part cooling bin, the surface and the core part of the nickel-titanium alloy wire are correspondingly cooled in a targeted manner, so that the deformation of single-pass drawing of the nickel-titanium alloy wire is improved, and the production efficiency is improved.

The invention discloses a drawing method of a high-surface-smoothness nickel-titanium alloy ultrafine wire. The drawing method comprises the following steps: step 1, carrying out surface pretreatment on a nickel-titanium alloy wire, cleaning a bright wire obtained in the step 1, carrying out heat treatment on the wire obtained in the step 2 by utilizing a tubular heat treatment furnace, and testing the austenite phase transformation ending temperature of the wire obtained in the step 3; the outer wall of the wire obtained in the fourth step is coated with lubricating liquid; the wire obtained in the fifth step is drawn through a wire drawing machine till the diameter and the length of the wire reach preset targets; according to the method, a traditional route of lubricating an oxide layer first and then removing the oxide layer is bypassed, and a high-smoothness surface is directly obtained in the drawing forming process of the superfine nickel-titanium wire, so that various problems caused by secondary treatment are avoided; and the superfine nickel-titanium alloy wire with the high surface smoothness and the diameter smaller than or equal to 0.1 mm can be directly obtained without follow-up polishing treatment.

The present invention relates to a sheet metal stretching forming machine (1), which comprises two lines of jaws (7) arranged opposite each other and supported by mechanical means allowing their movement in space. This forming machine (1) is characterized in that said lines of jaws (7) have an adjustable length, each comprising: - a first group of jaws (71a), designed to allow the forming of a sheet metal by longitudinal stretching, and - a second group of jaws (72a) comprising at least two jaws (72) capable of occupying: (a) an inactive position, at a distance from the first group of jaws (71a), to allow the latter to perform said longitudinal stretching, and (b) an active position, in line with the first group of jaws (71a), to allow, together, the forming of a sheet metal by transverse stretching.

The utility model discloses a water tank type aluminum wire heavy drawing machine, which relates to the technical field of wire drawing equipment and comprises a tank body, a water cavity and a gear cavity are arranged in the tank body, inlet and outlet pipes are embedded on two side surfaces of the tank body, and a wire drawing component comprises a first rotating shaft, a sixth rotating shaft and a fourth rotating shaft which are rotatably connected in the tank body, and a first wire separating wheel and a second wire separating wheel are mounted on the first rotating shaft. The aluminum wire drawing machine is reasonable in design structure, the aluminum wire can be stably drawn for multiple times in the wire drawing process by designing the wire drawing assembly composed of the first wire separating wheel, the first-stage cone pulley, the second wire separating wheel, the second-stage cone pulley and the like and the elaborately-designed wheel groove shape, the problem that the aluminum wire in a traditional wire drawing machine is prone to shaking is solved, and the service life of the aluminum wire drawing machine is prolonged. According to the utility model, not only is the fracture phenomenon caused by uneven stress of the aluminum wire effectively reduced, but also the noise generated in the production process is greatly reduced, the production efficiency is improved, and the device has the advantages of high efficiency, low energy consumption, safety and reliability in operation, low noise, elegant appearance, simplicity in operation, convenience in maintenance and the like.

A die changing method based on the actual running time of a car frame comprises the steps that firstly, the running time of car frame dies of different material numbers is calculated and serves as the standard time of a die changing period; 2, the actual operation time of each trolley is grabbed through a PLC data acquisition system; 3, comparing the actual operation time of each trolley with the standard time according to the material number of the hung order by the trolley, and judging whether a mold changing period is reached or not; 4, the system obtains the information of arriving at the vehicle platform needing die change, carries out statistics and summarization on the information to form a report, and displays the report; 5, an operator performs manual die change according to the data of the report, logs in an equipment system through a handset after die change, and manually inputs a car number after die change into the system; and sixthly, the system automatically analyzes the difference value between the system prompt mold changing time and the manual actual mold changing time, and the actual mold changing completion time is monitored. According to the method, the utilization rate of the mold is effectively improved, and time waste caused by abnormal conditions such as planned shutdown and car frame maintenance is avoided.