1301results 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.

The invention relates to the technical field of copper wire manufacturing, in particular to a wire conveying device of a copper wire drawing machine, which comprises a die seat, one side of the die seat is provided with a die pressing plate for pressing a wire drawing die, the end where the die pressing plate is located is defined as the front end, and a screw rod extending front and back is arranged in the die seat; a conveying assembly and a stretching assembly are arranged on the die pressing plate, the stretching assembly is located on the left side of the conveying assembly, each of the conveying assembly and the stretching assembly comprises two bevel gears which are oppositely arranged front and back and cooperatively clamp the copper wire, and the rotating speed of the bevel gears of the stretching assembly is higher than that of the bevel gears of the conveying assembly; a cutting assembly is further arranged on the die pressing plate, is located between the conveying assembly and the stretching assembly and comprises a rotating ring and a matching plate, the rotating ring is located at the rear end of the die pressing plate, a vertical cutter is arranged on one side of the peripheral face of the rotating ring in the axis direction, and the matching plate is located on the front side of the rotating ring; by arranging the wire conveying device, the threading efficiency of the copper wire is improved, the wire drawing die is prevented from being abraded by copper cuttings generated by grinding the copper wire, and meanwhile, the service life of the wire drawing die is prolonged.

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 invention relates to the technical field of copper wire drawing machines, in particular to a copper wire drawing machine with a cooling device, which comprises a machine body, a wire drawing die, a connecting frame, an upper die and a lower die, cooling grooves are formed in the bottom surface of the upper die and the top surface of the lower die, the two cooling grooves are matched to form a cooling cavity, the end, close to the wire drawing die, of the cooling cavity is in a circular truncated cone shape, the small-diameter face of the cooling cavity faces the wire drawing die, a feeding channel is formed in the upper die, and discharging grooves are formed in the sides, close to the wire drawing die, of the upper die and the lower die. The two discharging grooves are matched to form an annular discharging cavity, the side wall of the discharging cavity is matched with the side wall of a die hole of the wire drawing die, and a discharging channel is formed in the lower die. The device can improve the distribution uniformity of cooling lubricating liquid on the copper wire, improve the drawing effect of the copper wire and the quality of a finished product, and prolong the service life of the device.

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 invention discloses a cold-drawing processing device suitable for thin-wall stainless steel pipes, which comprises a basic frame, a discharge connecting frame is arranged on the outer wall of one end of the basic frame, a mold mounting frame is embedded in the middle of one end of the basic frame, a mold adjusting frame is sleeved in the mold mounting frame, and a cold-drawing mold is arranged in the mold adjusting frame. An external magnetic impurity removal mechanism and an internal rotary impurity removal mechanism are arranged on the end surface of the mold mounting frame; according to the invention, automatic cold-drawing processing of the thin-wall stainless steel pipe can be realized, the feeding bracket is adjusted according to the size of the steel pipe, uniform-speed processing is ensured, the quality is ensured, scrap accumulation and surface loss can be monitored in real time, a cleaning or maintenance signal is automatically triggered, and corresponding measures are taken according to different conditions; the continuity and the stability of production are ensured; and corresponding measures are taken according to different conditions.

The utility model relates to the technical field of wire drawing equipment, and particularly discloses a bare copper wire continuous wire drawing machine which is provided with a machine body, a die mechanism is arranged in the machine body, rollers are arranged on the outer sides of the two ends of the die mechanism, the die mechanism comprises a clamping tooth seat, the clamping tooth seat is installed on the inner wall of the machine body through a fixing frame, and a rack is arranged on the clamping tooth seat. A plurality of teeth with upward tooth surfaces are arranged on the rack, a clamping groove is formed between every two adjacent teeth, at least two wire drawing die frame modules are movably mounted on the rack, and the wire drawing die frame modules and the clamping grooves are arranged in a separable manner; according to the bare copper wire continuous wire drawing machine, the distance between the wire drawing die frame module and the rollers on the outer sides of the two ends can be adjusted, so that the tensile force on the two sides of the wire drawing die frame module can be balanced in the stretching and wire drawing process of bare copper wires with different thicknesses; when a bare copper wire enters the wire-drawing die frame module from the thick end, the bare copper wire and an inner hole of the wire-drawing die ring can be located on the same horizontal line, and drawing and wire drawing are more uniform.

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 present invention provides a wire drawing machine for producing steel strands. It relates to the technical field of metal wire drawing. The wire drawing machine for producing steel strands comprises: a wire drawing table, and support plates one and two fixedly mounted on the bottom of the wire drawing table, characterized in that a support frame is fixedly mounted on the top of the wire drawing table, a concave seat one is fixedly mounted on the side of the support plate one away from the support plate two, a wire unwinding roller is arranged in the concave seat one, and at least one wire taking-up unit is arranged on the side of the support plate two away from the support plate one, which is used to take up the drawn steel strands, and two vertical plates are fixedly mounted on the inner wall of the top of the support frame, and the same central axis is rotatably mounted on the two vertical plates, and a disc is fixedly sleeved on the central axis. The present invention can quickly replace wire drawing dies with different inner diameters, improve wire drawing efficiency, and can fully attach wire drawing powder to the steel strands.

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 relates to the technical field of copper alloy drawing, in particular to copper alloy production and manufacturing drawing machining equipment which comprises a conveying unit and a drawing unit. According to the copper content in the drawn copper alloy bar and the required drawing deformation amount of the copper alloy bar, the number of drawing dies used in the whole drawing machining process is reduced, the service life of part of the drawing dies is prolonged, unnecessary loss and waste are avoided, the friction force between the copper alloy bar and the drawing dies is reduced through lubricating oil, and the production efficiency is improved. The copper alloy bar and the drawing die are lubricated, the drawing surface of the copper alloy bar is smoother, unnecessary abrasion of the drawing die is avoided, lubricating oil mixed with chippings is filtered and then continues to be used, it is guaranteed that the lubricating oil for lubricating the copper alloy bar and the drawing die is clean, and waste of the lubricating oil is avoided.

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 relates to the technical field of alloy belt forming, and discloses a high-temperature alloy belt drawing forming device which comprises a workbench and further comprises an adjusting assembly arranged on the outer side of a mounting base. A guide block enters the inner side of a mounting base, then an adjusting rod is pressed to move towards one side of a fixing groove, a sliding block is driven to slide along an inclined groove, through movement of a sliding plate, a limiting groove is clamped to the outer side of the sliding block, meanwhile, the adjusting rod drives a fixing rod to enter the fixing groove, the guide block is fixed, and therefore a mold and the mounting base are fixedly connected; one end of a first rotating rod drives a second rotating rod to rotate, along with the change of the rotating angle, the other end of the second rotating rod drives a straight clamping plate to gradually move towards the center point, an arc-shaped clamping plate is tightened towards the inner side along with the straight clamping plate, and an alloy belt is fixed; and when the straight clamping plate needs to be used, a bolt is screwed off, the bolt is separated from a threaded hole, and then the arc-shaped clamping plate is pulled out. And the connecting block slides along one side of the straight clamping plate to complete separation.

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.

An extrusion-or pultrusion device for forming a profile product in a production direction comprising:a rotating die having two opposite first and second side walls and an outer circumferential surface there between, wherein the rotating die comprises a first side portion in connection to the first side wall and a second side portion in connection to the second side wall and a mid-portion extending between the first and second side portion, wherein the width of the first channel section is, at least along a portion of its length and at least along a portion of its height, less than a distance between the two opposite side walls of the rotating die.

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 discloses a wire drawing device for alloy resistance wire preparation, and belongs to the technical field of alloy resistance wire preparation.The wire drawing device for alloy resistance wire preparation comprises a base, a supporting box is fixedly connected to the upper surface of the base, and a pay-off mechanism is fixedly connected to one side of the supporting box; the side, close to the pay-off mechanism, of the supporting box is fixedly connected with a supporting frame, the upper surface of the end, away from the pay-off mechanism, of the base is fixedly connected with a winding mechanism, the side, close to the pay-off mechanism, of the supporting frame is fixedly connected with a wire feeding pretreatment mechanism, and the side, away from the wire feeding pretreatment mechanism, of the supporting frame is fixedly connected with a wire pulling mechanism. By arranging the wire feeding pretreatment mechanism and the wire drawing mechanism, an alloy resistance wire automatically penetrates through the wire drawing die, the working efficiency is greatly improved, meanwhile, by arranging the supporting frame and the wire drawing die, heat can be rapidly dissipated in the wire drawing process, and therefore the wire drawing speed can be increased, and the production efficiency is greatly improved.

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 invention relates to welding wire machining equipment and a welding wire machining method. Comprising a bottom plate, a discharging assembly and a receiving assembly which are arranged on the bottom plate, a processing cavity formed in the bottom plate and located between the discharging assembly and the receiving assembly, and a placing plate arranged on the bottom plate and located between the processing cavity and the receiving assembly. The cold drawing assembly is arranged on the bottom plate and located between the collecting assembly and the processing cavity, the feeding hole and the discharging hole are formed in the front side and the rear side of the processing cavity respectively and used for allowing welding wires to enter and exit, and a spraying assembly is arranged on the processing cavity. According to the device, after stretching out of the discharging assembly, a to-be-machined welding wire enters the treatment cavity, the spraying assembly sprays an acid pickling solution for acid pickling, surface oxide skin and stains are removed, then the to-be-machined welding wire enters the impurity removing assembly on the containing plate, the surface of the welding wire is polished, surface impurities of the welding wire are removed, and then the welding wire enters the cold drawing assembly for cold drawing and wire drawing; and finally, the machined welding wires are collected through the material collecting assembly.

The invention discloses a cold-drawing manufacturing method of a battery shell, which comprises the following steps: 1) preparing and optimizing an aluminum alloy material which at least comprises the following components in percentage by mass: 0.3-1wt% of Ce, 0.3-1wt% of Mn, 0.1-1wt% of Si, 0.1-1wt% of Cu, 0.1-1wt% of Fe and the balance of Al; (2) extruding the aluminum alloy material obtained in the step (1) to form a cylindrical shell blank; (3) the shell blank is arranged on a core rod of a cold drawing die in a sleeving mode, the front end of the shell blank extends into a cold drawing cavity of the cold drawing die, and the size of the core rod is matched with the size of an inner cavity needed by the battery shell; and (4) the shell blank is pulled in the drawing direction, the core rod and the shell blank are made to move in the same direction in the drawing direction, and the whole shell blank penetrates out of the cold drawing cavity to form the battery shell. The battery shell prepared by the method has relatively high structural rigidity and bending resistance limit.

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.