40results about "Extrusion containers" 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.

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.

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.

The present invention provides a manufacturing method for a metal part manufactured by hot extrusion that can ensure the quality of the metal part. The material (1) includes a tip surface (11), an outer peripheral surface (12), and a chamfered surface (13). When the glass disk 4 and the raw material 1 are loaded into the container 2 at the start of extrusion, as viewed in vertical cross section, the outer diameter Db of the leading end surface 11 of the raw material 1 satisfies formula (1) in relation to the maximum radial dimension Dd of the die hole 31 and the inner diameter Dc of the container 2. When an imaginary line (L1) is defined connecting a connection point (P1) between the leading end surface 11 and the chamfered surface 13 and a connection point (P2) between the chamfered surface 13 and the outer peripheral surface 12, the inclination angle θb of the imaginary line (L1) with respect to a perpendicular line (VL) to the axis center (CL) of the container 2 satisfies formula (2). Furthermore, the inclination angle θb, the outer diameter Db, the maximum dimension Dd, and the inner diameter Dc satisfy formula (3). Dd≦Db≦Dd+0.8×(Dc-Dd) (1) 45°≦θb≦65° (2) [Equation 1] TIFF0007755226000007.tif37157

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston that connects to the stem and plunger assembly, wherein the main piston exerts the extrusion force on the stem such that the stem moves axially, and at least one piston motor coupled with the stem and configured to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container, wherein the at least one hydraulic motor is configured to drive a rotational movement of the container.

A screw extruder for extrusion of materials with high viscosity, comprises a screw (9) rotationally arranged in a bore (16) within a housing. The housing comprises a base section (11) having a material feed inlet (2), an extrusion section (14) having a compacting chamber (7) and an extrusion die opening (6), and one or more transport and compaction sections (12, 13) arranged between the base section (11) and the extrusion section (14). At least one of the housing sections (11-14) comprises one or more fluid conduits (4) and one or more fluid connectors (10) for connection to a fluid supply and circulation system, whereby the temperature in said at least one housing section may be controlled individually.

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston that connects to the stem and plunger assembly, wherein the main piston exerts the extrusion force on the stem such that the stem moves axially, and at least one piston motor coupled with the stem and configured to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container, wherein the at least one hydraulic motor is configured to drive a rotational movement of the container. The rotary piston and the stem are configured to rotate and move axially such that the stem moves the billet through the container to extrude a part, and the container and the billet are configured to rotate together while the container does not move axially.

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston, wherein the main piston exerts the axial extrusion force on the stem, and at least one piston motor to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container configured to drive a rotational movement of the container. The rotary piston and the stem are configured to rotate and move axially such that the stem moves the billet through the container to extrude a part, and the container and the billet are configured to rotate together.

This invention discloses a profile extrusion cylinder and optimized heating method for achieving gradient differential temperature in magnesium alloy round ingots, relating to the field of magnesium alloy processing and forming. The cylinder includes an inner layer, middle layer, outer layer, induction heating coil, ceramic curing sleeve, and cooling water circulation channel. The optimized heating method specifically includes obtaining the target billet heating temperature and extrusion rod speed setpoints by repeatedly extruding a constant-temperature billet; performing extrusion based on the target billet heating temperature and extrusion rod speed setpoints, and calculating the distribution data of the average temperature of the exit profile cross-section as a function of the exit profile stroke x; determining the actual heating temperature of the billet in each axial length range based on an optimized extrusion exit temperature model and the principle of constant metal volume; and controlling the axial temperature gradient of the billet using zoned heating within the extrusion cylinder to achieve isothermal rapid extrusion. This method solves the problem of excessive frictional heat and plastic deformation heat generated during the extrusion production of ultra-long profiles, reducing the consistency of the microstructure and properties of the extruded profiles along the length direction. It provides guidance for achieving isothermal controllability in the rapid extrusion process of magnesium alloy profiles and can effectively improve the forming quality and production efficiency of magnesium alloy profiles.

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston that connects to the stem and plunger assembly, wherein the main piston exerts the extrusion force on the stem such that the stem moves axially, and at least one piston motor coupled with the stem and configured to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container, wherein the at least one hydraulic motor is configured to drive a rotational movement of the container.

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston that connects to the stem and plunger assembly, wherein the main piston exerts the extrusion force on the stem such that the stem moves axially, and at least one piston motor coupled with the stem and configured to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container, wherein the at least one hydraulic motor is configured to drive a rotational movement of the container.

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.

The invention discloses a metal wire forming device and method, and relates to the field of metal forming manufacturing. The problems that according to an existing magnesium alloy wire preparation method, the preparation process is tedious, the magnesium alloy wire preparation efficiency is low, internal stress exists in the plastic deformation process, and the service life of a magnesium alloy wire is affected are solved. The device comprises a smelting furnace and a shaping wheel, the smelting furnace is configured to perform melting treatment on metal raw materials to form molten metal, the smelting furnace is provided with a wire outlet channel, and the molten metal can be discharged from the wire outlet channel; the shaping wheel is provided with a shaping groove, a cooling oil film is arranged on the inner surface of the shaping groove, and a wire outlet channel of the smelting furnace is arranged in the shaping groove; and the shaping wheel rotates, the wire outlet channel sprays the molten metal wire to the bottom of the shaping groove, and the cooling oil film cools the molten metal wire, so that the molten metal wire is solidified into the metal wire in the shaping groove. The method is mainly used for preparing metal wires.

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston that connects to the stem and plunger assembly, wherein the main piston exerts the extrusion force on the stem such that the stem moves axially, and at least one piston motor coupled with the stem and configured to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container, wherein the at least one hydraulic motor is configured to drive a rotational movement of the container.

Provided is a manufacturing method capable of ensuring the quality of a metal member manufactured by hot extrusion. A material (1) includes a tip surface (11), an outer peripheral surface (12), and a chamfered surface (13). At the start of extrusion, in a vertical cross-sectional view in a state in which a glass disk (4) and the material (1) are loaded into a container (2), an outer diameter Db of the tip surface (11) of the material (1) satisfies formula (1) in relation to a maximum dimension Dd in the radial direction of a die hole (31) and an inner diameter Dc of the container (2); when a virtual straight line (L1) connecting a connection point (P1) between the tip surface (11) and the chamfered surface (13) and a connection point (P2) between the chamfered surface (13) and the outer peripheral surface (12) is defined, an inclination angle θb of the virtual straight line (L1) with respect to a perpendicular line (VL) of an axial center (CL) of the container (2) satisfies formula (2); and the inclination angle θb, the outer diameter Db, the maximum dimension Dd, and the inner diameter Dc satisfy formula (3). (1): Dd ≤ Db ≤ Dd + 0.8 × (Dc - Dd), (2): 45° ≤ θb ≤ 65°

The utility model belongs to the technical field of feeding equipment, and particularly discloses an anti-oxidation heat preservation feeding device which comprises a transfer unit, a material supporting frame, a material storage barrel and a blocking unit. The transferring unit is used for transferring the material supporting frame, the material storage barrel is fixed to the material supporting frame, a feeding port is formed in the material storage barrel, and the blocking unit can seal the feeding port; a heat preservation layer is arranged in the material storage barrel, and the heat preservation layer and the heated blank do not generate chemical reaction; a gas inlet is formed in the material storage barrel and is connected with a protective gas storage device. According to the scheme, heat preservation can be conducted on a heated blank in the feeding process, temperature drop is greatly reduced in the feeding process, and stable extrusion force is guaranteed; and the exposure time of the blank in the air can be controlled.

The invention belongs to the technical field of metallurgical equipment, and particularly relates to an ultra-wide flat aluminum profile flat extrusion die and a production method.The ultra-wide flat aluminum profile flat extrusion die comprises a flat extrusion container lining, a rectangular hole part is formed in the flat extrusion container lining, and a buffer structure is arranged at the rectangular hole part; the outer side of the flat extrusion container lining is sleeved with the multi-layer prestress assembly, and the multi-layer prestress assembly is used for supporting the flat extrusion container lining; and the broadening mold is fixedly mounted at the outlet end of the flat extrusion container lining. The extrusion force in the extrusion process can be reduced by about 30%, so that a wider flat extrusion cylinder is used on an extruder with the same tonnage, the ultra-wide flat aluminum profile can be extruded by equipment with the same tonnage, the ultra-wide flat aluminum profile can be extruded and formed at a time, the energy consumption is reduced, meanwhile, the stress concentration value of the flat extrusion cylinder can be effectively reduced, and the production efficiency is improved. The bearing capacity and the anti-fatigue performance are improved, the service life is prolonged, and the stability and continuity of the production process are guaranteed.

A screw extruder for extruding a material having a high viscosity comprises a screw (9) rotatably arranged in a bore (16) within a housing. The housing comprises a base section (11) having a material supply inlet (2), an extrusion section (14) having a compaction chamber (7) and an extrusion die opening (6), and one or more transport and compaction sections (12, 13) arranged between the base section (11) and the extrusion section (14). At least one of the housing sections (11-14) comprises one or more fluid conduits (4) and one or more fluid connectors (10) for connection to a fluid supply and circulation system, whereby the temperature in the at least one housing section can be individually controlled.

The present invention provides a novel flat extrusion cylinder structure. The extrusion cylinder is a multi-layer cylinder structure. The inner cylinder has a flat and elongated extrusion hole. The layers of cylinders are assembled in an approximately rectangular manner. The long and short sides of the rectangles are fitted with different interference fits to generate different assembly prestresses in the vertical and horizontal directions. Combined with the approximately rectangular or approximately hexagonal outer contour structure of the outer cylinder, the uncoordinated deformation and local stress concentration during the operation of the flat extrusion cylinder are reduced, thereby improving the service life of the flat extrusion cylinder.

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston that connects to the stem and plunger assembly, wherein the main piston exerts the extrusion force on the stem such that the stem moves axially, and at least one piston motor coupled with the stem and configured to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container, wherein the at least one hydraulic motor is configured to drive a rotational movement of the container. The rotary piston and the stem are configured to rotate and move axially such that the stem moves the billet through the container to extrude a part, and the container and the billet are configured to rotate together while the container does not move axially.

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston that connects to the stem and plunger assembly, wherein the main piston exerts the extrusion force on the stem such that the stem moves axially, and at least one piston motor coupled with the stem and configured to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container, wherein the at least one hydraulic motor is configured to drive a rotational movement of the container. The rotary piston and the stem are configured to rotate and move axially such that the stem moves the billet through the container to extrude a part, and the container and the billet are configured to rotate together while the container does not move axially.

The invention discloses an extrusion forming die for automobile frame material manufacturing, and relates to the technical field of extrusion forming, the extrusion forming die comprises a frame body, an extrusion machine body, an extrusion rod, a forming die, a material supporting device, a position adjusting mechanism and a temperature control device; the material supporting device comprises a shell, and a heat preservation layer, an electromagnetic heating assembly and an inner layer which are sequentially attached and fixed in the shell. The device has the advantages that a to-be-pressed raw material is placed into the cylindrical through cavity after being externally preheated and is continuously heated by the electromagnetic heating assembly to keep the temperature, and the inner layer and the extrusion rod are not heated, so that power output during operation of the electromagnetic heating assembly is not reduced; meanwhile, the temperature can be better controlled under the functions of low heat conduction of the inner layer and heat loss slowing of the heat preservation layer; due to the fact that the temperature difference between the inner layer and the to-be-pressed raw material is large, adhesion is not prone to being generated when deformation of the to-be-pressed raw material makes contact with the cylindrical through cavity in the extrusion process, and liquidity is good; and the energy-saving performance is good.

The special-shaped multi-cavity extrusion container comprises an inner lining assembly and an outer lining assembly, the inner lining assembly is provided with a plurality of blank cavities which are arranged side by side at intervals in the first direction, the blank cavities penetrate through the two ends of the inner lining assembly in the second direction, and the section of each blank cavity is in a non-circular shape; the outer lining assembly is provided with an installation cavity matched with the outer shape of the inner lining assembly, and the inner lining assembly is detachably installed in the installation cavity. According to the utility model, the blank pre-distribution is realized through the design of a plurality of special-shaped blank cavities, the extrusion force is effectively reduced, the material utilization rate is improved, the disassembly and replacement work of the blank cavities is greatly simplified, the maintenance is more convenient, the manufacturing cost is reduced, and the service life of the extrusion cylinder is prolonged; and the one-time forming requirements of ultra-wide, ultra-thin and complex-section light alloy profiles in the fields of transportation, new energy, aerospace, buildings and the like are met.

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 invention relates to the field of metal plastic forming, and discloses a multi-channel extrusion device and a metal composite board preparation method.The multi-channel extrusion device comprises an extrusion container assembly, an extrusion die assembly, an extrusion driving assembly, a heating and heat preservation assembly and a quenching cooling assembly, the extrusion container assembly is provided with at least two layers of extrusion channels, and each layer of extrusion channel comprises at least two extrusion channels; the extrusion die assembly comprises an upper die, a middle die and a lower die, the upper die is provided with at least two layers of extrusion forming channels, each layer of extrusion forming channel comprises at least two extrusion forming channels, the middle die is provided with at least two extrusion fusion channels, and the lower die is provided with an extrusion composite channel; the extrusion driving assembly comprises a plurality of extrusion rods and an extrusion driving structure; the heating and heat preservation assembly is used for heating and heat preservation of the extrusion container assembly and the extrusion mold assembly; the quenching cooling assembly comprises a forced air cooling mechanism and a spray quenching mechanism. In the one-time continuous extrusion process, compounding, forming and on-line heat treatment of multiple layers of metal materials are achieved.

The invention relates to a production method of an aluminum alloy profile for an automobile doorsill beam, which belongs to the field of extrusion processing of aluminum alloy doorsill beams and comprises the following steps: S1, smelting, refining, slagging off, degassing, filtering and casting into a cast ingot with the diameter of 250mm; s2, homogenizing treatment: keeping the temperature at 550-570 DEG C for 8-12 hours, and air-cooling to room temperature; s3, extrusion is conducted, specifically, a 3600 MN extruder and a 260 mm extrusion container are adopted, the cast ingot is heated in a segmented mode, the temperature of the extrusion container is controlled to be 440-460 DEG C, the temperature of a mold is controlled to be 480-500 DEG C, and extrusion is conducted at the speed of 1.5-1.7 m / min; s4, quenching is conducted, specifically, three-stage online quenching is conducted, and the cooling rate of the aluminum alloy profile is gradually reduced; s5, stretch straightening is conducted, specifically, two-stage straightening (pre-straightening and fine straightening) is conducted, and the total deformation rate is 0.8%; and S6, artificial aging, wherein heat preservation is conducted for 5-7 h at the temperature of 170-180 DEG C. The Mg / Si ratio (1.1-1.3) is precisely regulated and controlled, and the quenching and stretch straightening process is optimized, so that the mechanical property, the corrosion resistance and the extrusion welding seam quality of the aluminum alloy profile are remarkably improved, and the aluminum alloy profile is suitable for the lightweight requirement of the automobile doorsill beam.

To provide a deterioration determination method of a fixed dummy block and a container liner of an extruding press device.SOLUTION: A deterioration determination method of a fixed dummy block of an extruding press device and a container liner includes a fixed dummy block sliding waveform measuring process of measuring at least one of a waveform of an actual pressure generated on a hydraulic actuator and a waveform of an actual sliding speed of the hydraulic actuator upon the sliding of a fixed dummy block and a deterioration determination process of comparing the measured wave form with a preset corresponding standard waveform. In the deterioration determination process, when the waveform measured by the fixed dummy block sliding waveform measuring process exceeds allowance preset from the corresponding standard waveform, it is determined that at least one side of the fixed dummy block and the container liner is deteriorated.SELECTED DRAWING: Figure 3

A shear-assisted extrusion process and related apparatus can include establishing a rotational shearing force and an axial extrusion force at an interface where a face of a die tool engages with a face of a portion of billet or other feedstock material, and extruding the portion of feedstock material through an opening of the die tool in response to establishing the rotational shearing force and the axial extrusion force. The die tool can be rotated at a different rate than the feedstock material prior to extrusion of the feedstock material through the opening of the die tool. A number of configurations can be used to provide the rotational shearing force and / or the axial extrusion force, as described herein.

This invention discloses a forming method and mold device for high-precision seamless zirconium alloy tubes. The forming mold device, relating to the field of industrial equipment manufacturing technology, includes a vertical expanding mill. The vertical expanding mill includes an expanding barrel, which consists of an expanding barrel liner and an expanding barrel shell. A base is fixed to the bottom of the expanding barrel by high-strength bolts. An ejection mechanism is provided through the center of the bottom of the expanding barrel, and a shear ring support is provided at the top of the base. The integral conical die of this invention facilitates smooth metal flow during extrusion, changing concentrated deformation to gradual deformation, reducing extrusion pressure. Low-speed extrusion reduces the severity of metal deformation, improves the uniformity of metal flow, and solves the problem of tube cracking when using a flat die. The cold rolling process improves the surface quality, internal structure, and performance quality of the zirconium tube. The zirconium alloy tubes produced using this invention have high dimensional accuracy, good surface quality, and high yield.

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.