936results about "Drawing dies" patented technology

The invention belongs to the technical field of tungsten filament processing, and relates to a lanthanum-doped fine tungsten filament wire drawing device and a wire drawing method.The lanthanum-doped fine tungsten filament wire drawing device comprises a machine frame, a mounting frame, a controller, a winding frame, a gear motor, a rotating shaft, a wire drawing mechanism, a heating mechanism and a cooling mechanism, the mounting frame is mounted on the machine frame, and the controller is mounted at the top of the machine frame; a winding frame is connected to the mounting frame, a speed reducing motor is mounted on the mounting frame, a rotating shaft is connected to an output shaft of the speed reducing motor, a wire drawing mechanism used for conducting wire drawing on tungsten wires is arranged on the mounting frame, and the wire drawing mechanism comprises a wire drawing die. And a heating mechanism and a cooling mechanism which are used for heating the tungsten filament are arranged in the wire drawing die. After wire drawing is completed, wire winding can be conducted through the wire winding wheel, in the wire winding process of the wire winding wheel, the gear rotates to drive the reciprocating lead screw to move back and forth in a reciprocating mode, and therefore the wire winding wheel is driven to move back and forth in a reciprocating mode, and tungsten wires are evenly distributed on the wire winding wheel.

A water tank wire drawing machine for metal wire machining comprises a water tank and a wire drawing mechanism, a cooler is arranged in a first water tank, and the cooler comprises a cooling water pipe arranged above a wire drawing cone pulley and a wire drawing die and a flow guide component arranged below the wire drawing cone pulley and the wire drawing die; the cooling water pipe is used for spraying cooling liquid to the upper side of the wire drawing cone pulley and the upper side of the wire drawing die, the cooling liquid is used for cooling the parts, making contact with the wire, of the wire drawing cone pulley and the wire drawing die, meanwhile, the cooling liquid can also achieve the lubricating effect, and the abrasion condition of the wire in the wire drawing process is further reduced; the cooling liquid near the wire drawing cone pulley and the wire drawing die can flow downwards and be guided out through the shape structure of the flow guide component, the flowing speed of the cooling liquid near the wire drawing cone pulley and the wire drawing die can be increased, and the cooling effect on the wire drawing cone pulley and the wire drawing die is improved.

The utility model belongs to the technical field of cable drawing, and particularly relates to a cable drawing machine capable of adjusting the drawing diameter, which comprises a drawing box, a second motor is fixedly mounted at one end of the bottom of the inner wall of the drawing box, and a second gear is fixedly sleeved on an output shaft of the second motor. When the clamping device is used, an operator firstly pokes the poking rod to enable the poking rod to move towards one end of the sliding groove, the poking rod drives the sliding block to move, certain pressure is applied to the spring, then the clamping block is moved into the clamping groove in the clamping base, the poking rod is loosened, the pressure on the spring is relieved through the sliding block, and then the spring is clamped. The spring rebounds to enable the sliding block to move towards the other end of the sliding groove, so that the clamping block is limited to move, the aperture adjusting assembly is fixed, the structure can enable workers to rapidly install and detach the device, inspect, maintain or replace parts and then rapidly assemble the parts back, the maintenance time and cost are reduced, and the working efficiency is improved.

The utility model discloses high-efficiency copper flat wire drawing forming equipment which comprises a rack (6), a first special-shaped wire-drawing die (7), a roller pair (8) and a second special-shaped wire-drawing die (9) are sequentially arranged on the rack (6) seen from the moving direction of a copper flat wire (1), a first wire-drawing hole (10) is formed in the first special-shaped wire-drawing die (7), the aspect ratio of the first wire-drawing hole (10) is smaller than 2, and the width of the second wire-drawing hole (10) is smaller than 2. Narrow grooves (3) are formed in the two sides of the first wire drawing hole (10) in the width direction, the height of the narrow grooves (3) is larger than the thickness of the copper flat wire (1) and does not exceed 0.1 mm, a driving mechanism is connected to the roller pair (8), a gap between the roller pair (8) is matched with the height of the narrow grooves (3), and second wire drawing holes (11) matched with the copper flat wire (1) are formed in the second special-shaped wire drawing die (9). The high-width-to-thickness-ratio copper wire production line has the advantages of being capable of producing high-width-to-thickness-ratio copper wires, low in cost, high in percent of pass and high in production efficiency.

The invention discloses a pickling-free cold heading Kovar alloy wire production process which comprises the following steps: S1, raw material preparation: preparing the following raw materials in percentage by mass: 41.5% of Ni, 0.5% of Co, less than or equal to 0.03% of C, less than or equal to 0.05% of Mn, less than or equal to 0.05% of Si, less than or equal to 0.02% of P, less than or equal to 0.02% of S and the balance of Fe; mixing the materials, and carrying out vacuum induction melting and electroslag remelting to prepare an alloy ingot; the alloy cast ingot is subjected to hot rolling treatment to form a hot-rolled wire rod with the diameter being 12.0-16.0 mm; s2, peeling treatment is conducted, specifically, surface layer defects of the hot-rolled wire rod in the step S1 are removed through a peeling machine; s3, dry-type drawing treatment is conducted, specifically, the hot-rolled wire rod treated in the step S2 is subjected to dry-type drawing through a dry-type drawing die to form an alloy wire; s4, intermediate annealing treatment is conducted, specifically, the alloy wire in the step S3 is placed in an annealing furnace, sufficient hydrogen is input into the annealing furnace, intermediate annealing is conducted under the hydrogen protection atmosphere, the annealing temperature is 950-1100 DEG C, and the annealing walking speed is 3-5 m / min; the surface quality and the size consistency of the wire can be improved, meanwhile, the defects of environmental pollution, hydrogen embrittlement and the like are reduced, and the use requirements of high-end precise cold heading parts are met.

The invention discloses a wire-drawing die for steel wire production, and relates to the technical field of wire-drawing dies, the wire-drawing die comprises a die seat, a cleaning and lubricating mechanism, an ejection mechanism, a mounting groove, a wire-drawing die and a locking mechanism; the motor drives the rotating seat to rotate, the flushing and lubricating assembly and the cleaning bristles are matched, efficient cleaning and lubricating of the steel wires are achieved, and the surface quality of the steel wires is improved; the filtering device is arranged, lubricating liquid is finely filtered, cleanliness of the lubricating liquid is guaranteed, and adverse effects of impurities on steel wires and molds are avoided; a specific locking mechanism is utilized, an adjusting head is rotated through an internal hexagonal wrench, a series of gears and a rotating ring body are driven, rapid locking and loosening of a wire-drawing die by a slope clamping block are achieved, and installation and replacement of the wire-drawing die are greatly facilitated; after the wire-drawing die is loosened, the ejection mechanism can automatically eject out the wire-drawing die, so that the wire-drawing die can be conveniently checked, maintained or replaced, and the production efficiency is improved.

The invention discloses a CVD (chemical vapor deposition) coating applicable to a microporous wire-drawing die and a preparation method of the CVD coating, and relates to the technical field of CVD coatings. A composite coating is deposited in a microporous wire drawing die through a CVD method, and the composite coating is sequentially provided with TiN / Ti (C, N) / beta-SiC / aluminum oxide from inside to outside; wherein TiN is used as a coating in direct contact with a microporous wire-drawing die substrate, and the main purpose of TiN is to improve the bonding strength between the coating and the substrate and prevent the coating from falling off due to cracks generated by stress change caused by different thermal expansion coefficients between the substrate and the coating.

The invention discloses a circulation system of aluminum wire drawing liquid, and relates to the technical field of metal processing, the circulation system comprises: a wire drawing device, which is provided with an immersion liquid box and an outlet die, and after entering the immersion liquid box for drawing, an aluminum rod is sized from the outlet die for molding; a filter is arranged in the wire drawing liquid pool, the filter is communicated with the immersion liquid box through a circulating pipe I, the circulating pipe I is connected with a heat exchanger, and the immersion liquid box is communicated with the wire drawing liquid pool through a return pipe; the cooling system is connected with the heat exchanger through a circulating pipe II; the filter is provided with at least one continuous filtering mechanism, and the continuous filtering mechanism is configured to trigger the continuous filtering mechanism to rotate to switch a new filtering structure when the water level in the filter rises. After the water-based aluminum wire drawing liquid is adopted, no smell is generated in the circulation process, and the surrounding environment of a machine table is clean and tidy. Meanwhile, after the aluminum powder is filtered and is drawn by a nano-mold, the lubricating property is good, and the surface of the aluminum wire is smooth and clean.

The invention relates to the technical field of metal wire drawing machines, in particular to a metal wire drawing machine energy-saving cooling liquid circulating device which comprises a supporting part, a wire drawing module mounting part is arranged on the upper side of the supporting part, a spraying part is arranged on the upper side of the supporting part and located above the wire drawing module mounting part, and a cooling liquid heat exchange circulating part is arranged on the lower side of the supporting part. The cooling liquid heat exchange circulating part comprises a heat flow filtering assembly, a heat flow heat exchange assembly and a cold flow preparation assembly, the heat flow filtering assembly is arranged on the lower side of the supporting part, the heat flow heat exchange assembly is arranged on the lower side of the heat flow filtering assembly, and a linkage driving part is arranged between the spraying part and the cooling liquid heat exchange circulating part; according to the cooling system, the overall structure optimization and energy-saving effects are achieved, the modular design is adopted, the cooling spraying function, the filtering function, the heat exchange function and the refrigeration regeneration function are integrated, a closed-loop cooling system is formed, cooling liquid consumption is remarkably reduced, and the operation cost is reduced.

The invention discloses a wire drawing device for cable processing. The wire drawing device comprises a rack, a turntable, a rotating assembly, a wire drawing die, a driven assembly and a transmission assembly, the rotating assemblies are rotatably arranged on the rack, and the rotating discs correspond to the rotating assemblies in a one-to-one mode and are fixedly arranged on the rotating assemblies; a first wire drawing group is arranged on the rotary table, the first wire drawing group comprises a plurality of wire drawing dies, the wire drawing dies are coaxially and uniformly arranged on the rotary table in the circumferential direction, and the hole diameters of the wire drawing dies on the same rotary table are uniformly increased or decreased in the circumferential direction; the wire-drawing dies of the first wire-drawing groups are opposite in position, and the apertures are sequentially reduced along the wire-drawing direction; the driven assembly is rotatably arranged on the rack and can drive the rotating assembly to rotate in a one-way mode. The transmission assembly is rotatably arranged on the rack and can drive the driven assemblies to rotate at the same time. The cable processing wire drawing device can be suitable for wire drawing of materials with different diameters while being free of disassembly.

The invention discloses a tungsten alloy wire which is composed of a tungsten alloy bus and a self-lubricating composite coating, and the self-lubricating composite coating sequentially comprises a pre-coating and a composite coating from inside to outside. The method has the beneficial effects that on one hand, the tungsten alloy bus is subjected to etching treatment through concentrated hydrochloric acid or hydrofluoric acid, and meanwhile, the pre-plating layer is added, so that the binding force between the electroplated layer and the tungsten alloy wire is enhanced; meanwhile, the lubricating composite coating is prepared by adding solid lubricating particles into the electroplating liquid for composite electroplating, so that the die loss in the drawing process is effectively reduced, and the cost is saved; and on the other hand, a nickel aminosulfonate pre-plating process is changed, and impact nickel is used as a pre-plating bottom layer of the diamond wire, so that the binding force of the grinding composite coating and the diamond wire bus is improved, and the problems of wire breakage or silicon wafer scratching and the like caused by falling of the grinding composite coating in the cutting process of the diamond wire can be prevented.

The invention relates to the technical field of metal composite wires, in particular to a manufacturing method and device of a double-layer metal composite wire. The manufacturing method comprises the following steps that S1, a double-layer metal composite blank rod is taken, the double-layer metal composite blank rod comprises a core layer metal wire and a metal coating layer coating the outer side of the core layer metal wire, and the tensile strength of the metal coating layer is larger than that of the core layer metal wire; s2, the double-layer metal composite blank rod is subjected to multi-pass drawing, a composite metal wire is obtained, pulse current is applied to a metal coating layer located in a drawing area in the drawing process, the mechanical property of the metal coating layer is made to be matched with that of a core layer metal wire, and interface fracture is restrained; and S3, the composite metal wire is subjected to annealing treatment, and the composite metal wire is obtained. According to the method, the effect that only the metal coating layer is softened is achieved by controlling pulse current parameters and utilizing the skin effect and the electroplastic performance, the drawing deformation of the inner metal and the drawing deformation of the outer metal are consistent, the quality of the composite wire is improved, and the method is suitable for the situation that the conductivity of the inner-layer metal is larger than that of the outer-layer metal.

The invention relates to the technical field of micropipe drawing forming, in particular to a mold suitable for micropipe drawing forming. Comprising a plurality of die mounting seats, the die mounting seats are mounted on a fixing support at intervals, a drawing die is fixedly mounted in each die mounting seat, the diameters of a plurality of forming holes are sequentially increased or decreased from left to right, a pipe blank sequentially penetrates through the forming holes, a mandrel is arranged in the pipe blank in a penetrating mode, and the mandrel is connected with the die mounting seats. A supporting mechanism is arranged on one side of a feeding port of each drawing die, and a detecting mechanism is arranged on one side of a discharging port of each drawing die. The supporting mechanism can preshape a pipe blank about to enter the drawing die, so that the deformation uniformity of the pipe blank is guaranteed, the detection mechanism can detect the size and the appearance of the formed pipe blank, the product quality can be guaranteed, meanwhile, the abrasion condition of the die can be reflected, and the production efficiency is improved. And a worker is prompted to replace in time.

The invention discloses a tungsten alloy wire and a product and a preparation method thereof, the tungsten alloy wire is composed of a tungsten alloy bus and a self-lubricating composite coating, and the self-lubricating composite coating sequentially comprises a pre-coating and a composite coating from inside to outside. On one hand, the tungsten alloy bus is etched through hydrofluoric acid, and meanwhile, the pre-plating bottom layer is added, so that the binding force between the electroplated layer and the tungsten alloy bus is enhanced. Meanwhile, the lubricating composite coating is prepared by adding solid lubricating particles into the electroplating liquid for composite electroplating, so that the die loss in the drawing process is effectively reduced, and the cost is saved; and on the other hand, a nickel aminosulfonate pre-plating process is changed, and impact nickel is used as a pre-plating bottom layer of the diamond wire, so that the binding force of the grinding composite coating and the diamond wire bus is improved, and the problems of wire breakage or silicon wafer scratching and the like caused by falling of the grinding composite coating in the cutting process of the diamond wire can be prevented.

The invention relates to the technical field of copper wire drawing, in particular to metal bus production and processing equipment which comprises a positioning groove, a half die device, a copper wire, a temporary eye die and a liquid feeding device, the two half eye dies are spliced to form a main position eye die, and the copper wire penetrates through a middle hole of the main position eye die to achieve wire drawing. Lubricating cooling liquid is sprayed to a center hole of the main position hole die at a fixed point through the annular spray head, so that new lubricating cooling liquid can be accurately supplemented to a liquid consumption position, meanwhile, old lubricating cooling liquid is squeezed away, the two half hole dies are separated, and the temporary hole die plays a temporary wire drawing function; the brush roll assembly arranged for each half-hole die is used for cleaning, after cleaning is completed, the two half-hole dies are automatically spliced and combined, subsequent copper wire drawing work continues to be carried out, temporary wire drawing is maintained by the temporary hole die, therefore, the problem of chippings is relatively ignored, and the temporary hole die can be cleaned after the whole wire drawing work is completely completed.

The invention relates to the technical field of steel pipe machining, in particular to an electric detonation lining composite steel pipe cold drawing device which comprises a rail box and an equidistant adjusting mechanism and further comprises four moving trolleys movably installed at the top of the rail box, three cold drawing dies are fixedly installed at the tops of the three moving trolleys correspondingly, and the inner hole diameters of the three cold drawing dies are sequentially decreased. And a clamp is fixedly mounted at the top of the other moving trolley. According to the method, the electric detonation lining composite steel pipe is subjected to multi-pass small-deformation drawing through the three cold drawing dies with sequentially reduced hole diameters, so that the electric detonation lining composite steel pipe is formed step by step, the single-time deformation can be effectively reduced, it is ensured that the electric detonation lining composite steel pipe is evenly stressed in the cold drawing process, lining stripping and damage are avoided, and the service life of the electric detonation lining composite steel pipe is prolonged. And the distance between the three cold drawing dies is adjusted according to the cold drawing requirement of the electric knock lining composite steel pipe, so that uniform distribution of drawing force is ensured, and lining stripping caused by local stress concentration is avoided.

The invention relates to the technical field of metal drawing machining, and discloses a wire drawing device for metal wire production, the wire drawing device comprises a rack, a wire drawing die, a lubricating assembly and a traction mechanism, a mounting plate is fixedly mounted on the front side of the rack, an operation platform is fixedly mounted on the front side of the mounting plate, and a tensioning assembly is arranged on the operation platform; and the tensioning assembly controls the machining wire rod to be circularly switched between the tensioning state and the non-tensioning state, the local area of the machining wire rod in the non-tensioning state moves in the second direction, and the first direction is opposite to the second direction. According to the wire drawing device, by arranging the tensioning assembly, the tensioning assembly controls the machining wire to be circularly switched between the tensioning state and the non-tensioning state, the local area of the machining wire in the non-tensioning state moves in the opposite direction, the meshing acting force of the die hole extruding the machining wire is released, and therefore chippings blocked by the die hole can fall off more easily; and the effect of preventing the wire from being broken and scratched due to the blockage of the scraps is achieved.

The utility model discloses an automatic cleaning wire drawing machine which comprises a bottom plate, a first fixing plate is fixedly installed on the top of the bottom plate, a wire drawing adjusting assembly, a cleaning assembly and a first power assembly are arranged on one side of the first fixing plate, the cleaning assembly is located between the wire drawing adjusting assembly and the first power assembly, and a recycling assembly is arranged on the top of the bottom plate. The adjusting wire drawing assembly comprises a fixing frame, the fixing frame is fixedly installed on one side of a first fixing plate, a rectangular plate is connected to the inner side wall of the fixing frame in a clamped mode, a wire drawing hole is formed in one side of the rectangular plate, and an adjusting hole is formed in the top of the rectangular plate. According to the wire drawing machine with the automatic cleaning function, by adjusting the wire drawing assembly, the wire drawing diameter of a steel wire can be adjusted according to the requirement, the wire drawing diameter can be well controlled, the product quality can be improved accordingly, wire drawing openings of different sizes are easy and convenient to adjust, the wire drawing effect can be better, and the working efficiency can be better; the popularization and use are convenient.

The present invention relates to a wire drawing die matching method, wherein the method comprises the following steps: measuring the temperature of the steel wire at the outlet of the wire drawing die in each drawing pass, and adjusting the compression rate of the corresponding pass according to the measured temperature. The method of the present invention starts from the mechanism that affects the plasticity of the finished steel wire, and solves the problem that the empirical die matching is not universal from the source. The temperature of the steel wire during the drawing process aggravates the aging hardening of the steel wire. As long as the temperature is too high at a certain stage in the entire wire drawing process, the plasticity of the steel wire will be greatly reduced. The present invention is based on the accurate measurement of the temperature of the steel wire in each drawing pass combined with the traditional empirical die matching to adjust the compression rate of a single drawing pass, which can improve the plasticity of the steel wire while improving the production efficiency. The method of the present invention has universality and is suitable for all cold drawing conditions.

The utility model provides a wire drawing die and a steel wire drawing die, and relates to the technical field of steel wire drawing. The wire drawing die comprises a die sleeve and a die core, a drawing hole is formed in the die core, and the drawing hole comprises an assembling section and a forming section which are connected in sequence; and a wear-resistant layer is arranged in the forming section and is in smooth transition connection with the assembling section. Wherein the wear-resistant layer is arranged on the forming section, so that the die core can be prevented from being scratched by the steel wire, and the wear-resistant layer is in smooth transition connection with the assembly section, so that the pressure die and the assembly section are propped against each other more stably and tightly, the wear-resistant layer is prevented from being damaged by axial force when the steel wire passes, and the service life of the wire-drawing die is prolonged.

The invention relates to the technical field of metal profile machining, in particular to a cold drawing process and device for a long high-strength metal profile, and the cold drawing process comprises the following steps: performing head making treatment on the end part of a preformed material to form a head suitable for drawing; the preformed material is conveyed to a drawing die through a guide and guard device, and a manufacturing head sequentially penetrates through a feeding straightening mechanism, at least one forming die assembly and a discharging straightening mechanism which are arranged at intervals; the clamp mechanism is used for firmly clamping the manufactured head penetrating out of the discharging straightening mechanism; power is provided for the clamp mechanism through the drawing driving mechanism, the clamp mechanism is driven to move in the drawing direction, and continuous drawing of materials is achieved. By keeping centering and stability of materials, the size precision and surface quality of finished products are improved, the service life of the mold is prolonged, the mold replacement and maintenance frequency is reduced, the production cost is reduced, the mold centering debugging time is shortened, the continuity and stability of a production line are improved, and the production efficiency is improved.

The invention provides an insulated wire and a preparation method thereof, and the preparation method comprises the following steps: S100, carrying out the drawing processing of a wire, and obtaining a bare wire; and S200, applying an insulating material to at least part of the surface of the bare conductor to obtain an insulated conductor. The bare conductor is processed through the drawing process, the purpose is to adjust the diameter of the bare conductor to the required specification, the mechanical property and the surface state of metal can be improved through selection of the drawing process, and compared with a bare conductor obtained through a traditional extrusion process and a traditional drawing process, the size of the bare conductor obtained through the drawing process is more stable.

The utility model relates to the technical field of bonding wire production, in particular to a wire expanding and drawing device for bonding wire production. The drawing device is reasonable in structural design and mainly comprises the drawing box, the drawing motor, the rotating shaft, the drawing expansion roller, the expansion drawing spiral grooves, the connecting convex rings, the anti-falling rings and the centralizing blocks, the drawing motor drives the drawing expansion roller to rotate through the rotating shaft, the drawing expansion roller is provided with the two expansion drawing spiral grooves, and the two expansion drawing spiral grooves are connected through the connecting convex rings. The bonding wire is subjected to wire expanding and drawing through the wire expanding and drawing spiral groove, the connecting protruding ring, the anti-disengaging ring and the centralizing block jointly form a centralizing system, it can be guaranteed that the drawing and wire expanding roller keeps stable in the rotating process, and the situation that the wire is broken due to shaking of the drawing and wire expanding roller is avoided.

The invention relates to the field of equipment for manufacturing metal pipes in a drawing mode, in particular to a cold drawing device for seamless steel pipe production. The device comprises a supporting assembly used for supporting a seamless steel pipe, a forming unit used for forming the seamless steel pipe and a drawing unit used for drawing the seamless steel pipe which are sequentially arranged from front to back. A clamping and conveying unit used for conveying the seamless steel pipes on the supporting assembly into the forming unit is arranged between the supporting assembly and the forming unit, and the distance between the clamping and conveying unit and the forming unit is adjustable; the forming unit comprises a pretreatment mold and a cold-drawing mold which can slide left and right; the cold-drawing die comprises a shell, and an oil cavity is formed between the interior of the shell and the inner die; the inner die is of an annular cylinder structure, and oil holes for lubricating oil to pass through are formed in the inner side wall and the outer side wall of the inner die. An existing cold-drawing device has the problem of low efficiency, and the cold-drawing device for seamless steel pipe production provided by the invention is high in efficiency.

The invention relates to the technical field of copper material processing, and discloses wire drawing equipment for copper material deep processing, which comprises a machine base, a wire feeding mechanism is mounted at one end above the machine base, a wire drawing die box is mounted on one side of the wire feeding mechanism above the machine base, and a traction mechanism is arranged on one side of the wire drawing die box. The wire drawing die box comprises a cooling lubricating oil box arranged above the machine base, and a wire drawing die assembly is installed in the cooling lubricating oil box. The wire drawing die assembly comprises a wire drawing eye die, the wire drawing eye die comprises a steel sleeve installed in an arc-shaped fixing groove, a die core is installed in the steel sleeve, an oil supply mechanism used for supplying cooling lubricating oil to the die core is further installed at one end of the steel sleeve, the oil supply mechanism is arranged at the outer end of an inlet of the die core, and the oil supply mechanism comprises a lantern ring arranged in a circular ring shape. A circle of oil supply pipes are uniformly arranged on the lantern ring, so that the lubrication quality is improved, the friction and heat accumulation between a copper material and the die are greatly reduced, the service life of the die is prolonged, and the surface quality of a copper wire is guaranteed.

The invention relates to the technical field of wire and cable processing equipment, in particular to a wire drawing device for wire and cable processing. And the adjusting assembly is used for adjusting the position of the mold and comprises rotating rings rotationally arranged on the mounting rings, first buckle plates are arranged on the rotating rings in the circumferential direction at intervals, second buckle plates fixed through bolts are arranged on the first buckle plates in a buckled mode, and the mold is clamped between the first buckle plate and the second buckle plate which correspond to each other. By means of the adjusting assembly and the flushing assembly, efficient and continuous operation in the cable wire drawing process is achieved, the equipment is provided with the rotating ring provided with a plurality of molds with different hole diameters, the molds with the needed hole diameters can be accurately adjusted to the working positions only by rotating the rotating ring, and therefore the molds do not need to be replaced after shutdown, and the production efficiency is improved. The production efficiency is greatly improved, and the downtime is reduced; in addition, the flushing assembly can effectively remove metal chips and other impurities generated in the wire drawing process, the cleanliness of an inlet of the die is ensured, and the product quality problem caused by chip accumulation is prevented.

The invention provides copper wire drawing equipment convenient for die penetration, which belongs to the technical field of wire drawing equipment and comprises a pay-off wheel, a take-up wheel and a drawing mechanism. The drawing mechanism comprises a cone pulley, a die bracket and a plurality of wire drawing dies, the diameter of a wire drawing hole of each wire drawing die is gradually reduced in the copper wire conveying direction, a conical extrusion hole and a conical extrusion plug are sequentially arranged on the side, facing the wire incoming direction, of the wire drawing hole, a wire clamping hole is formed in the center of the conical extrusion plug, and the wire clamping hole is communicated with the conical extrusion hole. When the conical extrusion plug gets close to the wire drawing hole, the conical extrusion plug is extruded by the conical extrusion hole, the diameter of the wire clamping hole is reduced, the copper wire is clamped and pushed into the wire drawing hole, in the pushing process, the head of the copper wire is clamped and supported by the conical extrusion plug, the straightness of the copper wire can be maintained, the head of the copper wire is prevented from being bent or broken, and the die penetrating efficiency of the copper wire is improved.

The invention discloses an enamelled rectangular wire drawing die mounting and cooling system, relates to the technical field of wire drawing dies, and has the advantages that the cooling effect on the die is improved, and the die is convenient to replace, the key points of the technical scheme are that the enamelled rectangular wire drawing die mounting and cooling system comprises a box body which is arranged on a wire drawing machine and is internally filled with wire drawing liquid; a fixing box is arranged above the position between the two opposite sides in the box body, a mounting barrel is arranged on one side in the fixing box, a mold located in the mounting barrel is clamped to the mounting barrel through a clamping mechanism, the box body and the fixing box are each provided with an inlet and an outlet, the outlet in the fixing box is communicated with the bottom of the mounting barrel, and a lubricating and cooling mechanism is arranged on the box body. And the lubricating and cooling mechanism is used for cooling the two opposite sides and the periphery of the mold in the mounting barrel through the wire drawing liquid in the box body, and lubricating the metal wire entering the mold at the same time.

The utility model discloses a hydraulic cold-drawing machine for copper bar production, which belongs to the field of copper bar production equipment and comprises a support mechanism, a cold-drawing machine body mounted on the support mechanism, a feeding mechanism arranged on the front side of the top of the support mechanism, a guide mechanism mounted in the middle of the top of the support mechanism, and a positioning mechanism arranged in the guide mechanism. The guide mechanism comprises a mounting table, two guide rollers are rotationally mounted in the mounting table, and a drawing frame is slidably connected into the mounting table. The device has the beneficial effects that the guide mechanism and the positioning mechanism are arranged, due to the fact that in the copper bar production process, the diameter of a copper coil is smaller and smaller, the conveying direction is changed, and the forming effect is affected, the copper coil is guided by arranging the guide rollers and the positioning blocks, and the mold is always aligned with the two guide rollers; and the guide rollers play a good guiding role, so that the cold-drawing effect is ensured, and the production quality of the copper bar is improved.

The invention relates to the technical field of copper pipe processing, in particular to a drawing device for copper pipe shaping processing, which comprises a die structure, a drawing structure and a cutting structure, the die structure is used for drawing and shaping a copper pipe through a die hole in the die structure, the drawing structure is used for continuously drawing the copper pipe, and the cutting structure is used for cutting the drawn copper pipe; the drawing structure comprises a base table and two conveying units oppositely installed on the base table. Each conveying unit comprises two conveying wheels rotationally installed on the base table and a conveying chain installed on the two conveying wheels in a transmission mode. By adopting the mode of circularly clamping and drawing the copper pipe, the copper pipe drawing work can be continuously carried out, the working efficiency is effectively improved, the time waste of resetting of a working table in a traditional mode is eliminated, and meanwhile, due to the fact that a plurality of side clamping bodies can continuously move and the copper pipe is in a continuous drawing state, the copper pipe can be continuously drawn. Therefore, the side clamping bodies cannot generate instantaneous state change, the impact phenomenon is eliminated, the equipment and the copper pipe are conveniently protected, the copper pipe is prevented from being damaged by instantaneous impact, and the running stability of the equipment is improved.