8691results about "Hollow articles" patented technology

A method for manufacturing three-dimensional products with at least one inclined product portion made of a fiber-containing material using at least one forming tool and a forming tool are described. Vibrations are introduced via a device and this results in an improved compression of fiber-containing material in the region of inclined portions.

An internally reinforced thermoplastic container has a body manufactured using rotational molding. Prior to molding, attachment elements are releasably attached to the interior surface of parts of a mold, and an initially separate tension member is connected between the attachment elements. The mold is closed and a body of the container molded such that the attachment elements are integrated into the walls of the body. After molding, the attachment elements are released from the mold. The attachment elements and the tension member define a tension structure to resist outward bulging of the container walls. The tension member may be tensioned prior to or after molding of the container body. The attachment elements may take the form of eyelets having a base incorporated into the wall of the container body. The method enables the formation of a hollow thermoplastic container with integrally formed internal reinforcement.

A method of additive manufacturing a part having integrated passages is provided. In one aspect, the method includes forming a part having a near net shape by moving a friction stir tool to deposit a filler material in a predetermined formation. The tool can include a rotating spindle having a channel configured to hold the filler material. The method can include machining the near net shape part to form a plurality of grooves extending into a surface of the part, the plurality of grooves sized and shaped to each receive a tube. The method can include placing a tube into each of the plurality of grooves and moving the tool across the surface of the part and depositing additional material configured to secure the tubes within the plurality of grooves. The method can include machining the additional material deposited over the tubes to a predetermined shape.

Disclosed is a robot welding assembly mechanism and an application in annular welding seam detection and postweld heat treatment. The robot welding assembly mechanism comprises a rotatable column. A plurality of transverse clamping portions are disposed at intervals on the column. A height-adjustable first V-shaped support portion is disposed at a periphery of the column. The first V-shaped support portion is mounted on a radial track. An annular track is disposed on an outer side of the radial track. A plurality of height-adjustable second V-shaped support portions are disposed on the annular track. The first V-shaped support portion and the second V-shaped support portions are capable of supporting a non-welded portion of the welded workpiece. A first driving mechanism of the rotation base, a second driving mechanism of the transverse clamping portions, and a third driving mechanism of each of the second V-shaped support portions are connected with a control system.

A method of additive manufacturing a part having integrated passages is provided. In one aspect, the method includes forming a part having a near net shape by moving a friction stir tool to deposit a filler material in a predetermined formation. The tool can include a rotating spindle having a channel configured to hold the filler material. The method can include machining the near net shape part to form a plurality of grooves extending into a surface of the part, the plurality of grooves sized and shaped to each receive a tube. The method can include placing a tube into each of the plurality of grooves and moving the tool across the surface of the part and depositing additional material configured to secure the tubes within the plurality of grooves. The method can include machining the additional material deposited over the tubes to a predetermined shape.

The invention discloses a high-performance ozone-resistant air spring and a preparation method thereof. An inner-layer rubber material and an outer-layer rubber material of the air spring are mainly prepared from the following components: chloroprene rubber, natural rubber, butadiene rubber, an anti-aging agent AW-66, an anti-aging agent 4010NA, an anti-aging agent 4020, microcrystalline wax, N660 carbon black, naphthenic oil, zinc oxide, CZ and insoluble sulfur. The preparation method comprises the steps of first-stage mixing, rubber discharging, standing, second-stage mixing, rubber discharging, standing, rubber sheet calendering, blastocyst forming, wrapping the blastocyst on the surface of a capsule, and performing high-pressure nitrogen vulcanization to form the air spring. The chloroprene rubber, the natural rubber and the butadiene rubber are blended and modified, so that the rubber has the following characteristics that the ozone resistance and the weather aging resistance are remarkably improved; the properties such as tensile strength, stress at definite elongation and tear resistance are improved; the production process properties such as extrusion and calendaring properties are improved, the deflection resistance of the rubber material is improved, and the service life of the product is prolonged.

The invention relates to the technical field of data processing, and provides an automatic control system and method for a hollow plate extrusion production line, and the method comprises the steps: collecting a real-time temperature data sequence, a speed change data sequence and a pressure response data sequence in a hollow plate extrusion process, and carrying out the multi-dimensional feature extraction and response collaborative analysis; obtaining a traction speed correction instruction sequence and a screw rotation speed adjustment instruction sequence; and performing linkage control on the hollow plate extrusion production line according to the traction speed correction instruction sequence and the screw rotation speed adjustment instruction sequence. Through multi-dimensional feature extraction and response collaborative analysis, accurate monitoring and adjustment of multiple key parameters such as temperature, speed and pressure are achieved, the production efficiency and the stability of product quality are improved, a hollow plate extrusion production line can operate efficiently and stably in a complex and changeable production environment, and the production efficiency is improved. The problems that an existing control method is low in reaction speed and insufficient in adjusting precision in the face of complex production working conditions are solved.

The welding gun comprises a machine body and a machine head, the machine head is arranged at one end of the machine body, a containing cavity is formed in the machine head, and the end, away from the machine body, of the containing cavity is open. The U-shaped pipe and the two linear pipes connected with the U-shaped pipe extend into the containing cavity of the machine head from the open end of the containing cavity, the end wall, away from the machine body, of the machine head abuts against the outer side wall of the heat exchanger case, a welding mechanism is arranged on the side, located in the containing cavity, of the machine head, and the welding mechanism is used for welding the inserting positions of the U-shaped pipe and the linear pipes. The machine body is used for driving the machine head to move, the machine head is arranged on the U-shaped pipe and the two linear pipes in a covering mode through the containing cavity, the inserting position of the U-shaped pipe and the linear pipe can be welded, and therefore the dense tube bundle of the heat exchanger can be welded conveniently.

The invention relates to the technical field of radiator machining, in particular to an aluminum metal radiator machining device and a machining process thereof. The aluminum metal radiator machining device comprises a bottom frame, an adjusting mechanism is arranged on the surface of the bottom frame and comprises a first guide rail, and the first guide rail is fixedly connected to the surface of the bottom frame; the surface of the first guide rail is slidably connected with a first sliding block, the surface of the first sliding block is fixedly connected with a moving table, the surface of the bottom frame is fixedly connected with a fixing plate, and the surface of the fixing plate is fixedly connected with a first motor. According to the cooling fin welding device, cooling fins can be arranged on the placing plate in advance in the welding process, then the cooling fins are clamped and positioned through the adjusting mechanism and the clamping mechanism, the positioning efficiency of the cooling fins is improved, the welding machining time of the cooling fins is greatly shortened, and the welding machining efficiency of the cooling fins is improved; therefore, the machining efficiency of the aluminum metal radiator is improved, and the production yield of the aluminum metal radiator is guaranteed.

A friction stir welding (FSW) tool includes a pin, a housing, and a shoulder. The pin is configured to extend through a joint line between edges of two work pieces. The pin rotates to perform a FSW process that welds the two work pieces together at the joint line. The housing is coupled to a distal end of the pin to enable rotation of the pin relative to the housing. The pin extends through a support surface of the housing. The support surface contacts respective inner surfaces of the work pieces during the FSW process. The shoulder surrounds the pin and is configured to be rotated during the FSW process. The shoulder contacts respective outer surfaces of the work pieces during the FSW process such that the work pieces are sandwiched between the shoulder and the support surface of the housing.

A ball may include a spherical shell, and apertures defined in the spherical shell. The apertures may be formed in the spherical shell based at least in part on a N-frequency tessellation of the spherical shell. A method of forming a ball may include molding a first hemisphere, molding a second hemisphere, and coupling the first hemisphere to the second hemisphere to form a spherical shell. The spherical shell may include apertures defined in the spherical shell based at least in part on a N-frequency tessellation of the spherical shell.

A seam tape, accessory material, and / or component material may be used for an inflatable safety product. The seam tape, accessory material, or component material includes a hot melt adhesive, and the hot melt adhesive adheres the seam tape, accessory material, and / or component material to a fabric or flexible material of the inflatable safety product.

The invention provides an air bubble film bag production line and a method thereof, and relates to the technical field of air bubble film production equipment.The air bubble film bag production line comprises an air bubble film production assembly, a first buffering assembly, a second buffering assembly, a before-folding transition assembly, a folding assembly and a pressing and cutting assembly which are sequentially connected; the bubble film production assembly comprises a bubble forming part, the bubble forming part comprises a bubble roller body, a water through hole is formed in the center of the bubble roller body, and a plurality of vent holes are formed in the circumference of the bubble roller body. The air bubble film production device has the beneficial effects that the air bubble film production assembly is linked with the folding assembly and the pressing and cutting assembly, air bubble films produced by the air bubble film production assembly can be input into the folding assembly and the pressing and cutting assembly in diameter for production of air bubble film bags, and the situation that the air bubble films are rolled into packages is avoided; and the rolled air bubble film is mounted on the air bubble film bag production equipment, so that the production efficiency of the air bubble film bags is greatly improved, and human resources of a production workshop are saved.

A metal cup and method of forming the same is provided. Metal cups of the present disclosure comprise a plurality of thin, straight-walled sections and a tapered profile. A domed portion is provided in the bottom of the cup. The cup may comprise a disposable cup, a reusable cup, or a recyclable cup.

The invention belongs to the technical field of welding equipment, and particularly relates to a thin-wall container vertical girth welding device which comprises a base, a supporting plate is fixedly connected to one side of the upper end face of the base, a welding gun is arranged on one side of the upper end of the supporting plate, and a clamping turnover mechanism used for adjusting the angle of a container is further arranged on the base. The clamping and overturning mechanism comprises a displacement plate slidably connected to one side of the upper end face of the base, sliding seats are slidably connected to the two sides of the upper end face of the displacement plate, first sliding rods are slidably connected to the two sides of the upper ends of the sliding seats, and lifting plates are fixedly connected to the upper ends of the first sliding rods. Under the cooperation of the clamping turnover mechanism and the taper adaptive material control mechanism, a plurality of disorderly stacked containers to be welded are separated in order, the opening directions of the containers are distinguished, the openings of the two containers are precisely attached, then welding work is conducted, and the situation that workers need to manually and precisely place the containers at the welding positions is avoided.

The invention is suitable for the technical field of automobile fuel injection nozzle forging, and particularly relates to an automobile fuel injection nozzle forge piece forging method and equipment. The method comprises the steps that metal flow resistance, metal flow speed, forging vibration data and lateral force are obtained; determining a target flow velocity based on the metal flow resistance, the metal flow velocity and the forging vibration data; determining an axial strain coefficient and a radial strain coefficient based on the metal flow resistance, the metal flow velocity, the forging vibration data and the lateral force; based on the axial strain coefficient and the target flow velocity, generating a sliding block control instruction, and based on the radial strain coefficient, generating an ejector rod control instruction; and according to the sliding block control instruction and the ejector rod control instruction, a forging and pressing device and a hydraulic device are controlled to forge the automobile oil nozzle forge piece. According to the method, the forge piece forming precision, the production efficiency and the intelligence and automation level of the forging process can be remarkably improved.

The invention discloses a thin-wall multi-fin part integrated forming device and process, the thin-wall multi-fin part integrated forming device comprises a die holder, a lower die is arranged at the top of the die holder, a shape control die is embedded in the top end of the lower die, and an upper die is arranged at the top ends of the lower die and the shape control die; the power output end of the upper pressing mechanism is fixedly connected with a shape filling mold which is movably inserted into the lower mold, and the power output end of the secondary upper pressing mechanism is fixedly connected with an ejector rod which is movably inserted into the shape filling mold; the power output end of the downward pressing mechanism is fixedly connected with a male die movably inserted into the upper die, and the power output end of the secondary downward pressing mechanism is fixedly connected with a hole forming rod movably inserted into the male die. The integrated forming process of the whole forming process of local heating, upsetting, necking and back upsetting of a blank and overall forming, hole forming, cooling and demolding of a formed part can be achieved, the complete metal flow line of the thin-wall multi-fin part is kept, and local strengthening and efficient near-net forming of a fin area are achieved.

A metal cup and method of forming the same is provided. Metal cups of the present disclosure comprise a plurality of thin, straight-walled sections and a tapered profile. A domed portion is provided in the bottom of the cup. The cup may comprise a disposable cup, a reusable cup, or a recyclable cup.

The invention belongs to the field of rotary body component forming, and particularly relates to a close-up spinning device and forming method.The close-up spinning device comprises a rotating table, a clamping assembly fixedly arranged on the rotating table and at least one spinning assembly, and the spinning assemblies can control the thickness and surface quality of a cylindrical workpiece; the thickness of a product is convenient to control, the thickness of the product can more easily meet the design requirement, and a thin-wall rotary body component with the uniform thickness and a thin-wall rotary body component with the gradually-changed thickness can be produced; according to the forming method, the cylindrical workpiece with the radius-thickness ratio larger than 200: 1 can be subjected to closing-in spinning, the closing-in spinning process is divided into three stages, different closing-in track routes and differentiated machining technologies need to be selected in different closing-in stages, the shape precision and surface quality of closing-in spinning are guaranteed, and the machining efficiency is improved. The box bottom forming efficiency can be effectively improved through integral spinning forming.

The invention relates to the field of drying cylinder processing, in particular to papermaking drying cylinder body welding processing equipment which comprises a center rod, a first fixing mechanism and a second fixing mechanism are installed on the left side and the right side of the center rod respectively, and a left-right adjusting mechanism for pushing the second fixing mechanism to move left and right is further installed on the right side of the center rod. A rotating cylinder located between the first fixing mechanism and the second fixing mechanism is rotationally installed on the outer side of the center rod. The inner clamping blocks and the outer clamping blocks are matched with each other to clamp the inner side and the outer side of the barrel, the corresponding inner clamping blocks and the corresponding outer clamping blocks are connected and locked through the locking assemblies, the adjacent inner clamping blocks are supported and locked through the supporting assemblies, and the inner clamping blocks, the supporting assemblies and the outer clamping blocks form triangular supporting structures on the inner side and the outer side of the barrel correspondingly; and the stability and firmness of cylinder fixing are improved, and then the stability and welding quality of the welding mechanism during welding are improved.

A progressive die manufacturing method for producing pull tabs with raised lift ends for beverage containers utilizes an ear carry process, producing tab blanks from a carrier sheet fixed by carrier strips at attachment points. At a tab station, blanks are formed into pull tabs with specific features including a nose, rivet receiving portion, lift portion, and preferably a finger hole. A lift station creates deformations elevating the lift portion relative to a highest continuous surface of the pull tab, prior to any deformations or bends. The carrier strips are then cut to release the finished pull tabs. Optional enhancements include an integrated or modular lift station, specific bending angles and distances, and a center bar for indicia application. This method combines the benefits of the ear carry process with improved ergonomics, enhancing user experience while minimizing machinery modifications.

The invention belongs to the technical field of carbon fiber winding, and aims to solve the problems that current annular winding and spiral winding equipment is limited to single-bundle or several-bundle winding, meanwhile, a matched automatic yarn feeding system is not mature, a wound product is prone to stress concentration, and the winding efficiency is low. The rod type multi-bundle fiber spiral winding equipment comprises a rack, a yarn guide head assembly, a yarn guide head self-rotating mechanism, a yarn guide head radial telescopic mechanism and a semi-automatic yarn guide mechanism. Wherein the yarn guide head spinning mechanism is used for driving the yarn guide head assembly to do spinning motion, the yarn guide head radial telescopic mechanism is used for driving the yarn guide head assembly to do radial telescopic motion, and the semi-automatic yarn guide mechanism is used for feeding fiber yarn to the yarn guide head assembly, adjusting the tension of the fiber yarn and recycling a film stripped from the fiber yarn. Synchronous spiral winding of multiple bundles of fibers can be achieved, the winding efficiency is improved, and the problems that yarn feeding is difficult, and the winding process is difficult to intervene are solved.

The invention discloses vacuum brazing equipment and method for a plate-fin heat exchanger, relates to the field of welding, and aims to solve the problems of low heating efficiency and difficulty in deformation control caused by structural characteristics of the plate-fin heat exchanger and characteristics of vacuum radiation heating at present. Structures such as a hydraulic control system, an upper water-cooling sealing conductive pressure head, a lower conductive base and a tool are added on the basis of traditional vacuum brazing equipment, the structures are compounded with a furnace pipe, an upper electrode of the upper water-cooling sealing conductive pressure head is of a distributed structure and can move up and down through the hydraulic control system, and the upper electrode of the lower water-cooling sealing conductive pressure head can move up and down through the tool. And by matching with a tool, a workpiece can be always stressed uniformly, and continuous and stable self-resistance extremely-fast heat generation electrifying can be ensured. Double-feedback series control is adopted to achieve double-heat-source heating, the heating process time is shortened, a pressure-temperature coupling control method is adopted, it is ensured that stress is uniform, deformation is reduced, and the heating efficiency and the welding quality consistency are improved. And rapid and uniform heating and small deformation control of the workpiece can be realized.

The invention discloses a curved-surface cylindrical part hydraulic forming device and method, and relates to the technical field of cylindrical part forming, the curved-surface cylindrical part hydraulic forming device comprises a die and a pressurization system, and the die comprises a male die and a female die; the female die is annular, at least part of the male die can be arranged in the female die, an annular gap between the male die and the female die is used for containing a barrel blank, a forming curved surface is constructed outside the male die or in the female die, and under the state that the barrel blank is placed, a closed inner cavity is formed between the male die and the barrel blank, and a closed outer cavity is formed between the female die and the barrel blank. The forming curved surface is a cavity wall of the inner cavity or the outer cavity; fluid channels communicated with the inner cavity or the outer cavity are formed in the male die and the female die; the pressurization system is used for filling pressure fluid into the inner cavity and the outer cavity and controlling the pressure difference between the outer cavity and the inner cavity, the invention further provides a curved-surface cylindrical part hydraulic forming device and method, and the forming size precision of the multi-layer rotary cylindrical part with the curved generatrix characteristic can be improved.

The invention relates to the technical field of hydrogen storage part production equipment, and provides a new energy hydrogen storage inner container injection molding welding detection automatic production line which comprises an injection molding station, a material handle removing station, a conveying station, an infrared welding station, a cutting station, a welding seam detection station and an air tightness detection station. According to the infrared welding station, a first welding clamp and a second welding clamp are movably arranged on a welding machine table, half liners are clamped on the first welding clamp and the second welding clamp, a shaping cutter is movably arranged on the welding machine table, and roundness detection units are arranged on the first welding clamp and the second welding clamp. The infrared heating unit is arranged between the first welding clamp and the second welding clamp, and the first welding clamp and the second welding clamp can rotate synchronously. By means of the technical scheme, the problem that in the prior art, the cutting quality of the inner container is unqualified easily due to the hydrogen storage tank inner container production line welding and cutting technology is solved.

The invention discloses a shell-and-tube heat exchanger welding device, and relates to the technical field of heat exchanger machining, the shell-and-tube heat exchanger welding device comprises a support frame and a tube body, a transverse plate is arranged on the side wall of the support frame, a support plate is integrally formed on the upper end face of the transverse plate, a support cylinder is arranged on the side wall of the support plate, a mounting plate is arranged on the inner side of the support plate, and a tube plate is arranged in the mounting plate; a first air cylinder is arranged on the upper end face of the transverse plate, a welding piece is arranged at the bottom end of the transverse plate, an adjusting mechanism is arranged in the supporting plate, the adjusting mechanism is used for adjusting the position of the pipe body, the annular piece and the driving piece are matched to adjust the position of the movable piece, and accurate butt joint of the pipe body and a through hole where the pipe plate is located can be achieved; and accurate welding work of a welding part is conveniently achieved, multiple locking of the pipe body is achieved through the locking mechanism and the positioning mechanism, and the stability of the device during welding is further improved.

The present application discloses a welding gun for U-shaped dense tubes, which relates to the field of welding equipment, and includes a fuselage and a machine head. The machine head is arranged at one end of the fuselage, and a receiving cavity is formed in the machine head. The receiving cavity is arranged at an end away from the fuselage, and the U-shaped tube and two straight tubes connected to the U-shaped tube extend from the open end of the receiving cavity into the receiving cavity of the machine head, and the end wall of the machine head away from the fuselage abuts against the outer wall of the heat exchanger chassis, and a welding mechanism is arranged on one side of the machine head located in the receiving cavity, and the welding mechanism welds the plug-in joint of the U-shaped tube and the straight tube. The present application uses the fuselage to drive the machine head to move, and the machine head is arranged on a U-shaped tube and two straight tubes through the receiving cavity cover, so as to weld the plug-in joint of the U-shaped tube and a straight tube, thereby facilitating the welding of the dense tube bundle of the heat exchanger.

To effectively join component members of a heat exchanger.SOLUTION: Provided is a method for manufacturing a heat exchanger including a plurality of layer members (110) and partition wall members (120), wherein each of the plurality of layer members (110) includes a flow passage member (111) and a spacer member (112) disposed on a direction side perpendicular to a stacking direction (V1) of the layer members (110) with respect to the flow passage member (111). The method for manufacturing the heat exchanger includes a step of joining the flow passage member (111), the spacer member (112), and the partition wall member (120). By performing the joining, at least one member among the flow passage member (111) and the spacer member (112) is deformed so as to reduce a dimensional difference in the stacking direction (V1) between the flow passage member (111) and the spacer member (112) that are adjacent to one other in the perpendicular direction.SELECTED DRAWING: Figure 1

The invention relates to the technical field of radiator welding, and discloses a finned radiator welding processing device which comprises a mounting base, an adjusting part mounted on the mounting base and used for height adjustment and adaptation according to the size of a radiating fin, and a protection part mounted on the adjusting part and used for protecting the radiating fin. The protection part is mounted on the mounting base and used for being inserted into a fin tooth gap of a cooling fin for limiting and preventing deformation and further conducting welding heat of the cooling fin, the cooling part is mounted on the mounting base and used for enabling cooling liquid to uniformly cover the fin tooth gap of the cooling fin for cooling, and a copper conical plate of the protection part is inserted into the fin tooth through a conical surface; according to the machining height, the gap between the adaptive sheet teeth can be adjusted, the sheet teeth are limited, deformation caused by high heat is prevented, meanwhile, welding heat can be conducted, the heat dissipation efficiency is improved, cooling liquid can enter and overflow to cover the sheet teeth and the gap due to the design of a liquid inlet and a liquid outlet in the copper cone plate, more thorough cooling is achieved, and the machining efficiency is improved. And the copper cone plate can rapidly dissipate heat through internal cooling liquid after absorbing heat.

The invention discloses a hot extrusion forming device and method for a large cylindrical forge piece, and belongs to the technical field of forge piece forming. A hot extrusion forming device for large cylindrical forgings comprises a rack and further comprises a die holder part, the die holder part comprises a lower die holder and an upper die holder, the lower die holder is fixedly arranged on the rack through a supporting rod, hydraulic equipment used for driving the upper die holder to ascend and descend is arranged on the rack, and the upper die holder is arranged on the upper side of the lower die holder and movably abuts against the lower die holder; the conveying part comprises a first conveyor and a second conveyor, a supporting base is arranged between the first conveyor and the lower die base, and the second conveyor is arranged on the side, away from the first conveyor, of the lower die base; according to the device, automatic feeding of forge piece blanks and automatic discharging of barrel forge pieces subjected to extrusion forming can be conveniently achieved, the automation degree is high, the forge piece extrusion forming efficiency is improved, an ejection mechanism does not need to be used for ejecting the forge piece blanks upwards, the forge piece blanks can be conveniently and rapidly demolded, and the extrusion forming quality of the forge piece blanks is guaranteed.