18results about "Extrusion mandrels" patented technology

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.

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.

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.

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.

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.

The utility model relates to the technical field of aluminum profile processing, in particular to an extrusion device for aluminum profile processing, which comprises a working table, two limiting grooves are arranged on the right portion of the upper end of the working table, a reinforcing frame is fixedly connected to the middle of the lower end of the working table, and a control key is arranged at the front end of the reinforcing frame. The right end of the reinforcing frame is fixedly connected with an extrusion pushing device, the left portion of the upper end of the working table is fixedly connected with an extrusion forming structure, and the rear portion of the upper end of the working table is fixedly connected with an aluminum bar bearing arc-shaped support. According to the extrusion device for aluminum profile machining, sliding stability of the stamping base is guaranteed through the limiting groove in the workbench, the extrusion pushing device is matched with the stamping pushing head assembly, extrusion heads are flexibly replaced so as to meet different production requirements, the die base can be conveniently disassembled and assembled through an extrusion forming structure, and an aluminum bar bearing arc-shaped support provides supporting; and the machining efficiency and flexibility are integrally and remarkably improved.

Shear-assisted extrusion processes for forming extrusions of a desired composition from a feedstock material are provided. The processes can include applying a rotational shearing force and an axial extrusion to the same location on the feedstock material. Devices for this can include a die tool defined by a die face extending from a rim of the die face inwardly at an angle greater than zero in relation to a sidewall of the die tool in at least one cross section; and / or a die tool defining an opening configured to receive feedstock material for extrusion and further defining a die face defining a recess within the die face and contiguous with the opening. Shear-assisted extrusion processes are also provided that can mix different portions of the feedstock material within a recess about the opening prior to feedstock material entering the opening; and extruding the mixed portions.

The utility model discloses a core rod seat for extruding a hard alloy hole rod, which relates to the field of core rod seat structures, and comprises a base, a core rod head, a connecting component and an extrusion core rod, the core rod head is connected with one end of the base, the connecting component is arranged between the base and the core rod head, and the extrusion core rod is arranged at one end of the core rod head far away from the base; according to the core rod seat for extrusion of the hard alloy hole rod, the core rod head is detachably connected with the base, so that the production cost of the core rod seat can be reduced, and the efficiency and flexibility of extrusion production of the hard alloy hole rod are improved.

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.

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 invention relates to the technical field of aluminum profile hot extrusion dies, in particular to a detachable aluminum profile hot extrusion die core mechanism and a using method.The detachable aluminum profile hot extrusion die core mechanism comprises a die body, a mounting area is arranged at the center of the discharging end of the die body, a detachable head is mounted on the inner side of the mounting area, and a die core body is integrally formed at the rear end of the detachable head; the mold core body is attached to the rear end face of the mold body. The installation area comprises an installation cavity formed in the center of the inner side of the mold body, a contact groove, an annular groove and a center groove, the contact groove is located in the middle of the rear portion of the installation cavity, and the annular groove is located in the edge of the rear portion of the inner side of the installation cavity. The transmission piece is attracted by the strong magnet, the triggering inclined block is driven to move downwards, limiting locking is automatically relieved, the transmission piece can be taken out through reverse rotation, and the external structure of the mold does not need to be disassembled.

The application provides a kind of granular filling medium, cold extrusion process and workpiece, relate to cold extrusion processing technical field, the granular filling medium is the microsphere made of hard wear-resistant material, the hard wear-resistant microsphere can be directly taken out after use, will not produce the debris attached to the pipe wall, also will not have residual oil remains, solve the problem of low efficiency of removing residual medium in the existing cold extrusion process, and the hard wear-resistant microsphere does not contain lead and other toxic metals and can be recycled, has the advantages of durability and environmental protection;Hard wear-resistant microsphere forms dense micro-pit on the inner wall of tubular metal material, improves the strength of pipe wall, provides a certain internal stress basis for pipe, improves the stress condition of pipe fittings after cold extrusion, thereby improves the ability of pipe to resist load;And the inner wall of the tee pipe processed into shape still exists dense micro-pit, can effectively improve the durability and service life of the whole pipe fitting.

The utility model discloses a copper profile processing device for production of a lead connector of a storage battery, which is characterized in that a device body comprises an outer die cylinder internally provided with an extrusion channel, two ends of the extrusion channel are respectively provided with an extrusion shaft and a top shaft, the extrusion shaft comprises an extrusion cylinder with a discharge cavity, and the extrusion cylinder is provided with an extrusion die; a step end face is arranged on an extrusion channel on one side, opposite to the extrusion shaft, of the outer die barrel; a top column of the extrusion barrel is propped against the step end face; according to the copper profile machining die, extrusion machining production of a copper profile is achieved by improving the cooperative action of the ejecting shaft, the outer die barrel and the extrusion shaft in the die, the outer die barrel can continue to move after extrusion is completed based on the arrangement of the ejecting block, and then waste in the outer die barrel can be rapidly returned, so that the production efficiency is improved, and the production cost is reduced. And the problems that materials are blocked in the outer die barrel due to incomplete material returning, the quality of extruded products is influenced by mixing of excess materials and new materials, and frequent maintenance of workers is needed are solved, so that the working efficiency is improved.