38results about "Rams/plungers" patented technology

The utility model relates to the technical field of aluminum extruders, and discloses an aluminum extruder cake-free extrusion prevention recognition device which comprises a base, a fixing disc is fixedly connected to the top of the right side of the base, a hydraulic cylinder is fixedly connected to the left side of the fixing disc, and the output end of the hydraulic cylinder is rotationally connected with a pushing column. Fixing plates are fixedly connected to the front end and the rear end of the top of the base, supporting rods are fixedly connected to the tops of the fixing plates, rolling shafts are fixedly connected to the tops of the supporting rods, the fixing plates are fixedly connected to the front ends of the rolling shafts at the front ends, and photoelectric sensors are fixedly connected to the rear ends of the fixing plates. According to the aluminum cake clamping device, the pushing column, the driven gear, the driving gear and other components move, finally, the clamping plate at one end of the movable plate is used for clamping an aluminum cake, the aluminum cake is accurately positioned and reliably clamped, it is guaranteed that the aluminum cake can be kept in a stable position state in the subsequent operation processes of pushing, machining and the like, and machining efficiency is improved. And the situation that the machining precision is affected by deviation, shaking and the like is avoided, and the machining quality can be improved.

The invention belongs to the technical field of extruders, and particularly relates to a novel double-layer extrusion rod structure which comprises a main oil cylinder, a piston bracket fixedly installed on a piston of the main oil cylinder through a bolt, a core rod installed in the middle of the other side of the piston bracket, and an inner sleeve rod arranged outside the core rod in a sleeving mode. The inner sleeve rod is fixedly connected with the piston bracket through a pressure pad and a bolt, an outer sleeve rod is sleeved outside the inner sleeve rod, a cross beam is sleeved on one side, close to the piston bracket, of the inner sleeve rod, a pressing sleeve is sleeved on one end, close to the cross beam, of the outer sleeve rod, the pressing sleeve is fixedly connected with the outer sleeve rod through a bolt, and the pressing sleeve is fixedly connected with the cross beam through a bolt. A plurality of auxiliary oil cylinders are distributed on the piston bracket, and pistons of the auxiliary oil cylinders are fixedly connected with the cross beam. In the process of extrusion production of the layered composite pipe or the composite rod, higher pressure can be independently applied to the outer-layer blank, so that the flowing speed of the outer-layer material can be matched with the flowing speed of the inner-layer material.

The invention discloses a vacuum extrusion device for preparing titanium and titanium alloy, relates to the technical field of titanium and titanium alloy preparation, and aims at solving the problems that an existing device is prone to sealing failure, not thorough in cleaning and low in temperature control precision. The device comprises a vacuum chamber, an extrusion rod, an air passage system, an air source distributor, a temperature monitoring module and an external control module. The working section of the extrusion rod is provided with three sections of spiral grooves, and precise coupling of dynamic sealing, self-cleaning and temperature field regulation and control is achieved through cooperation of an air channel system and multiple air channels. The first section of main sealing spiral groove forms a high-pressure air curtain, the second section of temperature control spiral groove adjusts the temperature in a self-adaptive mode through a shape memory alloy ring, and the third section of cleaning spiral groove conducts deep cleaning through the reverse suction effect. And the external control module adaptively regulates and controls each gas path according to temperature and impurity concentration monitoring data, so that the structure is simplified, the efficiency is improved, the product quality stability is guaranteed, and the batch production requirements of high-quality titanium and titanium alloy are met.

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. 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.

An extrusion device includes an extrusion chamber, a die assembly having an internal cavity in communication with the extrusion chamber, and a dummy block configured to push a billet of material from the extrusion chamber through the internal cavity of the die assembly to form an extruded profile, a surface of the dummy block in contact with the billet of material being a non-uniform surface.

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 application provides an aluminum alloy profile extrusion forming machine and relates to the technical field of metal processing. A first flow channel and a liquid supply member are arranged on a rack. One end of the first flow channel extends to the hole wall of a through hole of an extrusion section, and the other end is in communication with the liquid supply member. The lubricating liquid of the hole wall of the through hole of the extrusion section lubricates the billet and the piercing needle and reduces the first friction therebetween. With the extrusion of the billet, the lubricating liquid of the hole wall of the through hole of the extrusion section is gradually consumed and the first friction is gradually increased. When the first friction is greater than a preset value, it indicates that the lubricating effect between the billet and the piercing needle is poor. The liquid supply member delivers the lubricating liquid into the first flow channel to extrude the lubricating liquid in the first flow channel to the hole wall of the through hole of the extrusion section, thereby saving the lubricating liquid, ensuring the lubricating effect between the billet and the piercing needle, reducing the first friction therebetween, reducing the wear of the piercing needle, prolonging the service life of the piercing needle, reducing the damage to the inner surface of the profile, improving the product quality, and reducing the overall energy consumption of the equipment.

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 application relates to an aluminum pipe extrusion system and relates to the technical field of aluminum pipe forming, and comprises a cylindrical outer mold, a first disc body and a plurality of outlet end molds. The cylindrical outer mold can slide along the axis thereof, and the axial two ends of the cylindrical outer mold are provided with a first opening and a second opening. The first disc body can rotate so that the position of each outlet end mold can be matched with the position of the cylindrical outer mold, and then when the cylindrical outer mold slides to the direction close to the first disc body, the first matching part can be inserted into the cylindrical outer mold from the first opening. When the first disc body rotates, different outlet end molds can be matched with the cylindrical outer mold. When an outlet end mold of a certain model is damaged, other outlet end molds in the same group can be used. When another aluminum pipe of a different shape needs to be formed, an outlet end mold in the corresponding group can be used. Therefore, the outlet end mold can be quickly replaced, and the aluminum pipe forming efficiency is improved.

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 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 invention relates to the technical field of end socket processing, in particular to a low-temperature liquid storage tank end socket processing method capable of reducing ferrite content, which comprises the following steps: S1, pre-press forming: pre-press forming is performed on a stainless steel plate by using a drum beating machine, and the steps are as follows: S1-1, multi-point drum beating is performed on the stainless steel plate from a center circle to an edge circular ring to complete one-time drum beating; s1-2, secondary drum beating is completed; s1-3, third-time drum beating is completed, and a pre-pressed part is obtained; s2, heating is conducted, specifically, a pre-pressed piece obtained in the step S1 and the step S3 is put into a furnace to be heated; s3, spinning forming is conducted, specifically, spinning forming is conducted on the pre-pressed part heated in the S2, and the end socket is obtained; multi-point bulging is carried out in the sequence from the center circle to the edge circular ring, and the pressing pressure is gradually adjusted, so that the stainless steel plate can be uniformly deformed in the pre-pressing forming process, local stress concentration is avoided, formation of ferrite is inhibited, and the ferrite content is reduced.

The invention belongs to the technical field of superconducting material processing engineering, and particularly relates to a continuous stepped extrusion method for an NbTi / Cu single-core ingot. According to the method, an assembled NbTi / Cu single-core ingot is extruded by adopting a ring type combined extrusion rod and a continuous stepped extrusion female die. The single-core ingot structure comprises a Cu wrapping sleeve lower cover, a Cu wrapping sleeve cylinder, a Cu wrapping sleeve upper cover, an NbTi core rod and a Cu30Ni top cover, wherein specific oblique angles are machined at the top of the NbTi core rod and in the Cu wrapping sleeve upper cover. In the extrusion process, the three ring type combined extrusion rods jointly advance by a first distance; then the outer rod stops, and the middle rod and the inner rod continue to be pushed by a second distance; finally, the middle rod stops, and only the inner rod is pushed by a third distance to complete extrusion. According to the method, by optimizing the end structure of a blank and introducing stepped deformation and composite ingot head design, the technical problems that in traditional extrusion, a copper sheath is excessively thinned / damaged, an annular tail is shrunk, and the head of an NbTi core rod deforms unevenly are solved.

The present invention provides a shape control method for a three-dimensional (3D) curved profile formed by four-direction differential velocity extrusion, wherein: by controlling extrusion velocities in four directions, 3D curved profiles with different bending radii and deflection angles can be obtained; according to bending radii of curved profile under different extrusion velocity combinations, a functional relationship between the bending radii and bending radius control factors of the profile is established, enabling accurate regulation of the bending radius of the three-dimensional curved profile; and, according to deflection angles of curved profile under different extrusion velocity combinations, a functional relationship between the deflection angles and deflection angle control factors of the profile is established, enabling accurate regulation of the deflection angle of the 3D curved profile.

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 aluminum alloy profile for an automobile air suspension sheath and a preparation process, and aims to provide the aluminum alloy profile for the automobile air suspension sheath, which is optimized in aluminum profile structure, good in use effect and good in preparation and processing process effect, and the preparation process of the aluminum alloy profile for the automobile air suspension sheath. And the upper end of the main body pipe is provided with a flanging. The aluminum profile has the beneficial effects that the aluminum profile is optimized in structure and good in using effect, and the preparing and machining process effect is good.

The utility model relates to the technical field of aluminum profile extrusion die components, and discloses a high-precision aluminum profile extrusion die cushion which comprises a first extrusion die cushion, a second extrusion die cushion is fixedly mounted at the upper end of the first extrusion die cushion, a third extrusion die cushion is rotatably mounted at the bottom end of the first extrusion die cushion, and the first extrusion die cushion comprises a first gasket. The pneumatic type ejection demolding mechanism is adopted, namely, the whole aluminum profile extrusion die cushion structure is of a three-layer structure, the air inlet guide grooves are formed in the two ends of the middle aluminum profile extrusion die gasket, the air inlet guide grooves are L-shaped grooves, and openings in the bottoms of the air inlet guide grooves are located in the bottom of the middle aluminum profile extrusion die gasket. Two air guide grooves are formed in the positions, corresponding to the air inlet guide grooves above, of the aluminum profile extrusion die gasket at the bottom, when air is guided in through the air inlet pipes at the openings in the two ends of the air inlet guide grooves, the aluminum profile can be ejected out of the die under the action of air pressure, and the problem that the surface of an aluminum profile finished product is uneven when the aluminum profile is ejected out is avoided.

The utility model relates to a metal wire extrusion die which comprises an ejector block, a material pressing device and a wire discharging device, the ejector block is arranged on one side of the material pressing device, the wire discharging device is arranged on the other side of the material pressing device, an extrusion channel is arranged on the material pressing device, and the extrusion channel, the ejector block and the wire discharging device are coaxially arranged. The jacking block comprises a jacking part, a connecting part and a plurality of positioning strips, the radial size of the jacking part is smaller than that of the extrusion channel, the connecting part is fixedly arranged at the end, away from the extrusion channel, of the jacking part, the positioning strips are evenly arranged on the side wall of the connecting part at intervals, and the positioning strips are in sliding fit with the extrusion channel when the jacking block moves in the extrusion channel. After the scheme is adopted, the cast ingot can be peeled when the extrusion wire is produced, so that a thicker oxidation film and impurities on the surface of the cast ingot are cleaned, and the production quality and the production efficiency of the extrusion wire are improved. And meanwhile, the die can realize continuous extrusion of the wire, so that the length of the wire is ensured, and the production efficiency is improved.

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 application provides a continuous extrusion forming method of wear-resistant and corrosion-resistant zinc white copper alloy wire, and relates to the technical field of wear-resistant and corrosion-resistant zinc white copper alloy wire production. The continuous extrusion forming method of wear-resistant and corrosion-resistant zinc white copper alloy wire comprises the following specific steps: step one, first, a zinc white copper casting rod is prepared by horizontal continuous casting or semi-continuous casting, and the zinc white copper casting rod is peeled, straightened and cleaned to remove the surface oxide scale and oil stains; step two, the treated zinc white copper casting rod is preheated in a high-temperature furnace, and finally the zinc white copper casting rod is conveyed to an extrusion wheel. In the process of continuous extrusion, the spring, the adhering sheet and the scraping block arranged below the extrusion wheel can remove the adhering metal material during the continuous extrusion of the extrusion wheel, so that the production efficiency of the wear-resistant and corrosion-resistant zinc white copper alloy wire is not affected by the multiple disassembly of the extrusion wheel.

The utility model belongs to the technical field of sectional material industrial processing equipment, and discloses a forming device of a difficult-to-deform alloy sectional material, which comprises a dowel bar, a dowel pad, an extrusion cylinder, an external sectional material mold, a mold support, a mold front seat, a mold middle seat and a mold tail seat, a cylindrical cavity used for containing a cylindrical blank is formed in the extrusion barrel, one end of the dowel bar extends into the cylindrical cavity of the extrusion barrel and slides in the cylindrical cavity, a dowel pad is arranged at the end, extending into the extrusion barrel, of the dowel bar, and the dowel bar applies extrusion force to the cylindrical blank in the cylindrical cavity through the dowel pad. The extrusion die is suitable for forming production of alloy profiles difficult to deform, is simple in structure and flexible to operate, solves the problems of die clamping and difficult demolding after extrusion is finished, greatly improves the production efficiency, and reduces the energy consumption.

A system for performing shear-assisted extrusion can include a front fixed endstock and a rear fixed endstock. The system can include a front movable headstock and a rear movable headstock. The system can include a die tool connected to the front fixed endstock. The die tool can include a face configured to engage and plasticize a face of feedstock material. The die tool can define an opening to receive plasticized feedstock material therethrough. The system can include a front spindle supported by the front movable headstock. The front spindle can be rotatable to rotate the feedstock material with respect to the front movable headstock. The system can include a rear spindle connected to the rear movable headstock, the rear spindle rotatable with respect to the rear movable headstock and the die tool.

To achieve a good extrusion result in spite of the use of an electric motor drive for making available the force required for extrusion.SOLUTION: The invention proceeds from a basic inventive idea of undertaking design means that allows the most uniform and precise possible force effect of pressing forces on a material to be pressed.SELECTED DRAWING: Figure 1

The utility model relates to a die for processing a hexagon nut pipe joint blank, which belongs to the field of automobile accessories and is characterized in that a hexagonal cavity, a cylindrical cavity and a shunting cavity are arranged in a lower die, a sliding die is arranged in the right side of the lower die, a screw hole is arranged in the sliding die, a positioning rod is mounted on the lower die, and a screw hole is arranged in the screw hole. An upper die is installed on the positioning rod, a connecting ring is installed on the upper die, and a punching needle is installed at the bottom of the upper die; after a red iron column is placed in the extrusion cavity, the upper die drives the punching needle to move downwards to extrude the iron column into a hexagon nut shape.

The invention relates to the technical field of aluminum profile machining, in particular to thick-wall aluminum profile extrusion equipment which comprises a workbench, an extrusion mechanism installed on the workbench, a heating furnace capable of moving front and back in front of the extrusion mechanism and an extrusion die in front of the heating furnace. The extrusion mechanism comprises an extrusion head and a power assembly for pushing the extrusion head forwards and backwards, and the extrusion head comprises a central cylindrical extrusion column located in the center and a surrounding part surrounding the periphery of the central cylindrical extrusion column; the surrounding part can move front and back relative to the central cylindrical extrusion column, the surrounding part and the central cylindrical extrusion column can be spliced into a complete cylinder, and the power assembly comprises a middle driving assembly used for driving the central cylindrical extrusion column and a peripheral driving assembly used for driving the surrounding part. The middle driving assembly and the peripheral driving assembly are both provided with pressure sensors, and high-quality aluminum profiles can be manufactured.

The utility model belongs to the technical field of forming dies, and particularly relates to an extrusion die of a profile for an aero seat backrest, which comprises a base, a fixed seat is fixed on the side wall of the top of the base, a die cushion is mounted in the middle of the inner side wall of the fixed seat, and a pressing component is arranged between the die cushion and the fixed seat. Through the arrangement of the first supporting plate, the first fixing plate, the first supporting plate, the second fixing plate and the first telescopic rod, heated raw materials can be supported from the bottom, the situation that the raw materials droop due to the gravity effect is effectively prevented, the straightness and the size precision of extruded profile products are guaranteed, resistance in the extrusion process can be reduced by supporting the heated raw materials, and the extrusion efficiency is improved. And meanwhile, the heated raw material is supported, so that the surface of the extruded profile is smoother and more uniform, scratches and ripples generated by sliding of the raw material in the die cushion and the die sleeve are reduced, and the mechanical property and durability of the profile product are improved.

The application discloses a rotating extrusion forming device for a deep blind hole shell member of ultrahigh-strength steel and a forming method thereof, and relates to the technical field of metal plastic working. The device comprises a rack, a lifting platform arranged at the lower part of the rack, a cylindrical die rotatably arranged on the lifting platform, and a chain wheel transmission assembly arranged on the lifting platform. The device further comprises a lifting rotating platform arranged at the top of the rack, and a male die head detachably arranged on the lifting rotating platform. The independent rotation and lifting of the cylindrical die (female die cavity) and the male die head realize the axial extrusion of a blank. The design introduces the circumferential shearing force, changes the stress state and flow pattern of the metal near the hole wall, makes the metal more easily flow along the axial direction, reduces the local high-pressure sticking point, thereby reduces the risk of the component and the die being locked, and greatly improves the stability of the male die head, thereby improving the forming quality of the component.