59results about "Extrusion mandrels" patented technology

The invention discloses an extrusion forming device and method, the extrusion forming device comprises an extrusion container assembly, a mold assembly and an extrusion assembly, the extrusion container assembly is provided with at least two mutually independent blank cavities, and the cross section of at least one blank cavity is non-circular; the mold assembly comprises a gradual change type flow channel structure, a welding chamber structure and a mold outlet structure, the gradual change type flow channel structure comprises at least two mold flow channels, and the inlet ends of the at least two mold flow channels are in butt joint with the outlet ends of the at least two blank cavities in a matched mode; the at least two mold runners are used for carrying out plastic deformation on the metal blanks in the blank cavities and guiding the metal blanks to the welding chamber structure, and the welding chamber structure is used for carrying out interface welding on metal from the different mold runners; and the extrusion assembly is used for extruding the metal blanks in the at least two blank cavities. The extrusion force can be obviously reduced, the material flow uniformity is improved, the die complexity and material waste are reduced, the profile forming quality is improved, and the service life of the die is prolonged.

The invention aims to provide a device and a method for preparing a fine-grain magnesium alloy pipe, and belongs to the technical field of light metal plastic forming. Differential torsion and continuous shear deformation are generated in the machining process of a magnesium alloy pipe blank, grain refinement and texture weakening are achieved while the torsion direction of the blank is not changed, and the yield of the fine-grain magnesium alloy pipe is improved. Room-temperature mechanical properties of magnesium alloy pipes are improved, and the magnesium alloy application range is widened. By means of the method, the grain refining effect of the magnesium alloy pipe is more remarkable, the basal texture is weakened to a large extent, the obtained fine-grain magnesium alloy pipe is uniform in structure, and the obdurability is greatly improved.

A method for preparing a shear-assisted extruded material from a powder billet is provided, the method comprising providing a billet of material in substantially powder form; applying both axial and rotational pressure to the material to deform at least some of the contacted material; and extruding the material to form an extruded material. A method for preparing shear-assisted extruded material is provided, the method comprising applying both axial and rotational pressure to stock material to form an extruded material at a rate between 2 and 13 m / min. A method for preparing shear-assisted extruded material is provided. The method comprises applying both axial and rotational pressure to stock material to form an extruded material; and aging the extruded material for less than 3 hours. A method for preparing shear-assisted extruded material is provided. The method comprises providing a stock material for shear-assisted extrusion; and applying both axial and rotational force to the stock material to form an extruded material, wherein the axial force does not decrease during the extrusion.

The asymmetric hollow profile extrusion forming device comprises an extrusion wheel, a male die and a female die, the female die comprises a feeding port, an expansion cavity, a containing cavity and a forming notch which are sequentially communicated, and a blank is guided to flow towards the containing cavity through the expansion cavity; the male die comprises a flow dividing assembly and a core rod, the flow dividing assembly is movably connected into the expansion cavity, a flow dividing top end used for dividing the blank at the starting end of the expansion cavity is formed at the top of the flow dividing assembly, and the dividing point position, corresponding to the feeding port, of the flow dividing top end is adjustable, so that the dividing proportion of the blank divided by the flow dividing top end can be adjusted; one end of the core rod is used for being matched with the inner side wall of the forming notch to form a forming channel of the hollow profile. By the adoption of the single-rod feeding mode, machining of the asymmetric hollow profile can be completed only by locally adjusting the position of the flow dividing assembly and not adaptively modifying the whole machining system according to different machining specifications every time, the equipment cost is effectively reduced, and the machining efficiency is improved.

The invention provides a hollow profile manufacturing extrusion die and a hollow profile. A hollow profile manufacturing extrusion die (3) includes a mandrel (41) that molds an inner peripheral surface of a hollow portion, and a bridge (45) for supporting the mandrel (41). The mandrel (41) is provided so as to correspond to a die hole for molding the outer peripheral surface of the hollow profile. A bridge (45) is provided at a position corresponding to the hollow between the hollow portion and the side surface, and is not present at a position corresponding to the hollow portion and the lower surface.

A continuously adjustable pipe-reducing device, and a continuous forming method for a pipe fitting. The continuously adjustable pipe-reducing device comprises a first roller and a second roller, which are connected to a driving mechanism, wherein the first roller is located directly above the second roller; a first mold cavity is provided on the side wall of the first roller in the circumferential direction of the first roller; a second mold cavity is provided on the side wall of the second roller; the first roller is rotationally arranged on a shaft seat; and the shaft seat is connected to a lifting driving mechanism by means of a displacement control rod. The perimeter of the cross section of a pipe fitting can be changed by means of the vertical movement of the first roller and the relative rotation between the first roller and the second roller, and the pipe fitting having different perimeters at different parts can be produced by means of only one set of rollers; thus, the continuously adjustable pipe-reducing device occupies a small space, and is convenient to control. Connecting portions are fixedly provided on two sides of the first mold cavity, the connecting portions are arranged in the circumferential direction of the first roller, and the connecting portions are inserted in the second mold cavity; and when the position of the first roller is changed, the effective connection between the first mold cavity and the second mold cavity can be ensured without a gap, thereby realizing the continuous forming of the pipe fitting with different diameters / shapes.

Shear-assisted extrusion devices, tools, inserts, and / or methods are provided. The devices may include an extrusion receiving channel operably engaged with the tool to receive the extruded material and one or more openings aligned between the ends of the spindle and configured to deliver a fluid to the extruded product. An exemplary tool may include one or more openings aligned between the ends of the tool. An exemplary method may include quenching the plasticized feed material prior to exiting the spindle. A spindle assembly and / or tool assembly insert is also provided, which may include a sleeve extending into one or both of the spindle assembly or tool assembly of the device and an opening in the sleeve configured to deliver a fluid into one or both of the receiving channels of the spindle assembly or the tool assembly.

The invention provides hot extrusion forming equipment for I-shaped aluminum alloy profile production, and relates to the technical field of aluminum alloy forming machining. The hot extrusion forming equipment for I-shaped aluminum alloy profile production comprises an extrusion cylinder, a separation type extrusion rod is arranged on the rear side of the extrusion cylinder, the separation type extrusion rod is installed on a hydraulic driving part, a heat preservation end is rotationally connected to the front side of the extrusion cylinder, and a discharging cylinder is rotationally connected to the front side of the heat preservation end. A flow storage box is installed at the position, close to the rear side, of the outer side wall of the discharging barrel, an extrusion mold is installed in the outer side wall of the discharging barrel, and a trimming and pressurizing assembly is installed on the outer side wall of the extrusion mold. The problem of poor combination of continuous forming of the two sections of aluminum blanks is solved, and extrusion force in the radial direction and the axial direction is applied to the combination position of the two sections of aluminum blanks through the separated extrusion rod and the hammering assembly, so that the strength of the combination position of the two sections of aluminum blanks is obviously improved.

Shear-assisted extrusion assemblies are provided. The assemblies can include a billet containing assembly containing a billet comprising a billet outer material and a billet inner material in at least one cross-section; a tool operably engaged with the billet; an extrudate receiving channel configured to receive extrudate from the tool, wherein the extrudate comprises extruded outer material and extruded inner material in at least one cross-section, the extruded outer material being the same material as the billet outer material, and the extruded inner material being the same as the billet inner material. Methods for producing multi-material shear-assisted extrudate are also provided.

The present invention discloses an extrusion die for wide-width special-shaped copper busbars. The extruded copper raw material is diverted and drained by two relatively arranged half-drainage plates, and the flow rate of the copper raw material metal flow in each part of the width section is controlled to ensure that the copper raw material metal flow is evenly filled along the width section direction of the special-shaped copper busbar. The diverter and drainage plates and the special-shaped die are designed as two half-piece structures, which is convenient for die assembly and easy to disassemble. The copper strip and the die are not easy to stick together, which reduces the difficulty of demolding, shortens the demolding time, and reduces the damage to the die caused by improper disassembly methods. The sizing hole of the sizing plate is designed according to the structure of the special-shaped copper busbar and is used to regulate the size of the extruded copper busbar to ensure accuracy. In actual production practice, the present invention effectively solves the problems of extrusion cracking, molding difficulty, poor dimensional accuracy, uneven thickness, etc. that occur when wide-width special-shaped copper busbars are extruded by existing extruders, effectively improves the comprehensive yield of the product, extends the service life of the mold, and improves work efficiency.

The utility model discloses a cooling device for an extrusion wheel of a coating machine, which relates to the technical field of cooling devices and comprises a mounting plate and a collecting component. The front side of the mounting plate is rotationally connected with two corresponding extrusion wheels, the rear side of the mounting plate is provided with a water storage assembly and two corresponding liquid pumping assemblies, and the two liquid pumping assemblies are both connected with the water storage assembly; the collecting assembly comprises a fixed frame, moving frames, a collecting shell, a two-way screw and a motor, the fixed frame is fixed to the front side of the mounting plate, the two corresponding moving frames are slidably connected to the interior of the fixed frame, threaded holes are formed in the lower sides of the moving frames, threads of the two threaded holes are opposite, normal-temperature water can be cooled, and the collecting shell can be used for collecting water. And then the extrusion wheel is cooled by using the cooled water, and meanwhile, the cooled water can be recycled, so that waste of water resources is avoided.

To provide an extrusion die for molding of a patterned product which prevents a product member from getting caught at the pattern molding tool side when an uneven pattern is molded on a surface of the product member to achieve improvement of productivity.SOLUTION: An extrusion die for molding of a patterned product includes: an upper die 10 configured to introduce a thermoplastic member; a lower die 20 supporting the upper die 10; and a pattern molding tool 30 which rotates in conjunction with movement of a product member 50 to mold an uneven pattern on a surface of the product member 50. The upper die 10 has a bearing part 13 which molds the thermoplastic member into a shape of the product member 50. A rear surface side molding surface of the product member 50 in the bearing part 13 is provided with a projection molding part 14 for molding a projection 54 which hooks on the projection molding part 14 to prevent the product member 50 from getting caught in the pattern molding tool 30.SELECTED DRAWING: Figure 3

A system for performing shear-assisted extrusion can include a die tool, a headstock, a midstock, and a tailstock. The die tool can include a face configured to engage and plasticize a portion of feedstock material engaged with the face. The die tool can define an opening to receive plasticized feedstock material therethrough. The headstock can be secured to the die tool. The headstock and the die tool can be together rotatable about a central axis to generate a rotation-induced shear force between feedstock material and the die tool to extrude the feedstock material through the opening of the die tool. The midstock can be configured to support the feedstock material at least partially therein. The tailstock can be configured to translate along the central axis relative to the headstock and the headstock to generate an axial extrusion force between the feedstock material and the die tool.

To manufacture a differential thickness pipe having a solid part, a material having a hollow tip end side and a solid base end side is inserted in a part of a container hole to contact an end part on the material tip end side with an inner diameter decreasing part of the container hole, a sleeve is contacted with an end part on the material base end side, a mandrel is inserted into a hollow hole of the material, and a tip-to-tip distance between tip end parts of the sleeve and the mandrel is fixed. The material is pushed into a small inner diameter part of the container hole by advancing the sleeve and mandrel toward an extrusion direction while maintaining the tip-to-tip distance until the mandrel tip end part arrives at the inner diameter decreasing part. The sleeve and the mandrel are further advanced while maintaining the tip-to-tip distance.

The invention relates to the technical field of welded pipe welding, and particularly discloses a straight welded pipe welding forming unit which comprises a fixed bottom frame arranged on a production line, and a feeding area, a pretreatment area, an extrusion area and a welding area arranged above the fixed bottom frame, and the welding area is provided with a welding frame fixed to the tail end of the fixed bottom frame. A limiting wheel used for limiting a welded pipe and a laser welding gun arranged in the middle of the welding frame and used for welding are arranged on the inner side of the welding frame. A mounting base is fixed to the top face of the fixing bottom frame, limiting side plates are symmetrically and integrally arranged on the front side and the rear side of the top face of the mounting base, and the pretreatment area and the extrusion area are arranged on the left side and the right side of the mounting base correspondingly. According to the welding forming unit for the longitudinal welded pipe, a steel belt can be stably fed and pretreated, the height positions of different extrusion wheels can be adjusted, so that the center deviation of welded pipe forming is reduced, a welding seam and a welding gun can be stably aligned, and the welding forming efficiency is improved.

Implementations are described herein that relate to manufacturing articles comprised of one or more metallic materials. In one or more examples, the one or more metallic materials can have a preformed shape that is inserted into the die. In one or more additional examples, the one or more metallic materials can include one or more powders or flakes disposed in the die. The material is then contacted within the die by a tool that moves in a rotational direction and in a vertical direction. The manufactured articles can have a shape that corresponds to the shape of the die.

A die assembly includes an inflow end, an outflow end opposite the inflow end, and an internal cavity extending from the inflow end to the outflow end. The die assembly also includes an internal mandrel disposed within the internal cavity. The internal mandrel has an end proximate to the outflow end of the die assembly. The die assembly also includes an internal cooling channel within the internal mandrel. The internal cooling channel has an outlet at or near the end of the internal mandrel.

The present application belongs to the field of aluminum profile processing, and particularly relates to a porous aluminum alloy flat tube extrusion forming die and processing technology, which comprises a die sleeve, a positive die, a push rod, a plug, a core barrel and a die core. The die sleeve is in the shape of a hollow sleeve. The positive die is in the shape of a hollow sleeve, is arranged at one end of the sleeve of the die sleeve, and the shape of the outer wall of the positive die corresponds to that of the inner wall of the die sleeve. The push rod moves the positive die in the sleeve of the die sleeve. The plug is in the shape of a sleeve, is arranged at the other end of the sleeve of the die sleeve, and the shape of the outer wall of the plug corresponds to that of the inner wall of the die sleeve. The core barrel abuts against the plug. The die core is arranged in the core barrel, one end of the die core penetrates the sleeve of the plug, extends into the sleeve of the die sleeve, and can be extended and retracted back and forth, a nitrogen gas passage is arranged in the die core, the outlet of the nitrogen gas passage is arranged at the end of one end of the die core, and the shape of the outer wall of one end of the die core corresponds to that of the inner wall of the positive die to form a model cavity. The present application uses a special die and processing technology to ensure that the porous aluminum alloy flat tube will not collapse and deform in the process of forming extrusion.

A system for performing shear-assisted extrusion or friction extrusion can include a die tool, a rotating assembly, a container, and a ram. The die tool can include a face configured to engage and plasticize a portion of feedstock material engaged with the face. The rotating assembly can include a housing and a spindle connected to the housing and connected to the die tool. The spindle rotatable together with the die tool relative to the housing about a central axis to generate a rotation- induced shear force between feedstock material and the die tool to extrude the feedstock material through the die tool. The container can support the feedstock material at least partially therein. The container can translate along the central axis between a disengaged configuration and an engaged configuration wherein the container is engaged with the housing to resist rotation of the container relative to the housing.

Embodiments described herein relate to apparatus for extruding a material. The apparatus includes an extrusion die arranged to receive material to be extruded from a first direction and from a second direction. The extrusion die includes an orifice from which material is extruded in a third direction. The first, second and third directions are not all in the same plane. None of the first, second and third directions is parallel to any other of those directions.

A process for forming extruded products using a device having a scroll face configured to apply a rotational shearing force and an axial extrusion force to the same preselected location on material wherein a combination of the rotational shearing force and the axial extrusion force upon the same location cause a portion of the material to plasticize, flow and recombine in desired configurations. This process provides for a significant number of advantages and industrial applications, including but not limited to extruding tubes used for vehicle components with 50 to 100 percent greater ductility and energy absorption over conventional extrusion technologies, while dramatically reducing manufacturing costs.

This invention relates to the field of lithium metal production technology, specifically to a lithium strip extrusion outlet adjustment device. It includes a mounting base and two opposing thickness adjustment molds. Two width adjustment molds are also positioned opposite each other on the same side of the two thickness adjustment molds, forming an extrusion outlet between them. The mounting base is equipped with a first driving mechanism and a second driving mechanism. The first driving mechanism drives the two thickness adjustment molds to move relative to each other, and the second driving mechanism drives the two width adjustment molds to move relative to each other. The relative movement direction of the two thickness adjustment molds is perpendicular to the relative movement direction of the two width adjustment molds. This invention, by providing a first driving mechanism and a second driving mechanism on the mounting base to drive the relative movement of the two thickness adjustment molds, achieves rapid adjustment of the extrusion outlet shape, making the adjustment of the extrusion outlet width and height more convenient.

The utility model relates to the technical field of extrusion dies, and discloses an integrated photovoltaic profile precision extrusion die which comprises a base, four corners of the top of the base are fixedly connected with first supporting columns, the tops of the first supporting columns are fixedly connected with a top plate, and the right side of the bottom of the top plate is fixedly connected with a fixed box. A second fixing part is fixedly connected to the right side of the bottom of the top plate, a water dividing channel is fixedly connected to the adjacent sides of the multiple cylindrical water buckets, a water pipe is fixedly connected to the top of the water dividing channel, a second fixing block is fixedly connected to the left sides of the bottoms of the multiple cylindrical water buckets, and water outlet holes are fixedly connected to the inner walls of the second fixing block. An adjusting mechanism is arranged on the left side of the top of the base and used for adjusting the size and depth of a mold core of the precise extrusion mold. According to the utility model, the purpose of cooling the mold and the profile is achieved, and the cooling efficiency and the product quality are improved.

The utility model provides a special pipe forming die, which relates to the technical field of forming dies and comprises a die body, a sprue spreader is mounted in the die body, a pressing plate is mounted on the side surface of the die body, a mouth die is mounted on the side surface of the pressing plate, a core rod penetrates through the mouth die, and a blow hole is formed in the sprue spreader. According to the utility model, the compressed air blowing device is connected with the air blowing hole to adjust the air pressure so as to adjust the size and the shape of the hole, and the larger the air pressure is, the roundness of the hole is, so that the air pressure of each hole channel needs to be balanced, and meanwhile, different air pressures can be independently input into each hole and independently adjusted and controlled so as to maintain the roundness of the hole; according to the extrusion die, the size and the wall thickness meeting the drawing design requirement can conveniently meet the expected section shape and the customer requirement, meanwhile, the diameter of the extrusion die is reduced, die repairing is facilitated, and then products in various special shapes can be produced according to the requirements.

A first step in which a cylindrical blank having a hollow base end side and a solid tip end side is inserted into a large inner diameter portion of a container hole, and an end portion of the tip end side of the blank is brought into contact with a reduced inner diameter portion of the container hole, and a second step in which the base end side of the blank is inserted into the large inner diameter portion of the container hole, and the tip end side of the blank is brought into contact with the reduced inner diameter portion of the container hole. In the first step, a sleeve is brought into contact with the base-end-side end of the blank, a mandrel is inserted into the hollow hole of the blank, and the distance between the tips, which is the distance between the tip of the sleeve and the tip of the mandrel, is fixed to a predetermined distance, and in the second step, the inner diameter of the sleeve is reduced while the tip of the mandrel reaches the reduced-diameter portion of the extrusion container hole. In the first step, the sleeve and the mandrel are advanced in the extrusion direction while the distance between the front ends is maintained, and the blank is pressed into the small-inner-diameter portion through the inner-diameter-reduced portion of the container hole, and in the third step, the advancing of the sleeve and the mandrel is further continued while the distance between the front ends is maintained. As a result, it is possible to reduce the occurrence of defects such as cracks and / or material deposits without requiring a blank having a complicated shape.

The invention belongs to the technical field of metal plate forming, and discloses an extrusion forming method and device for a deep-cavity variable-wall-thickness conical component. The method controls material flow through a step-by-step extrusion process, and comprises the following steps: processing a plunger matched with a plate; a plate is placed on the annular base, and upper and lower extrusion male dies are sequentially installed; the plunger is pressed downwards to be tightly attached to the plate, the male die is extruded upwards in a staged ascending mode, and the side wall variable-wall-thickness conical structure is formed step by step. The device comprises a lower extrusion male die, an annular base, a plunger, an inner ring upper extrusion male die and an outer ring upper extrusion male die, wherein the annular base, the outer ring upward extrusion male die, the inner ring upward extrusion male die and the plunger are sequentially sleeved from outside to inside; and the annular base is used for supporting the plate. The method solves the problems of difficult wall thickness control, low material utilization rate, overlarge extrusion force and the like in the traditional process, has the advantages of high forming quality, uniform stress distribution and suitability for batch production, and can be widely applied to the fields of aerospace, automobile manufacturing and the like.

Certain exemplary embodiments can provide a manufacturing method, process, machine, and / or system for continuously consolidating granular materials, creating new alloys and / or composites, and / or modifying and / or refining material microstructure, by using plastic deformation of feedstock(s) provided in various structural forms. Materials produced during this process can be fabricated directly and / or in forms such as, e.g., wires, rods, tubes, sheets, plate and / or channels, etc.

The embodiment of the invention relates to the technical field of composite material manufacturing, in particular to forming equipment and a multi-stage extrusion forming composite material structure. The embodiment of the invention aims to solve the problem that the production process of the metal composite material is relatively complex. According to the forming equipment provided by the embodiment, the first mold is provided with the first cavity, the pressing chamber, the inlet and the first outlet, the first cavity is used for containing the first material, the inlet and the pressing chamber are both communicated with the first cavity, the first outlet is communicated with the pressing chamber, the second mold is used for conveying the second material to the inlet, and the first extrusion device is used for extruding the first material. And the first material and the second material in the pressing chamber are attached, a multi-stage extrusion forming composite material structure is formed, and the first outlet is used for outputting the multi-stage extrusion forming composite material structure. Through the arrangement, the first material and the second material are bonded together while being attached in the pressing chamber, so that a multi-stage extrusion forming composite material structure is formed, and the production process of the metal composite material is simplified.

Metal is extruded through a feeder plate and an extrusion die to form a heat pipe component that includes a length of pipe and a flange extending outward from the pipe along the length of the pipe. A section of the flange is removed from the extruded heat pipe component, the pipe is sealed and compressed to reduce its thickness and form a heat pipe element for a computing system.