5331results about "Hollow articles" patented technology

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.

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.

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.

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.

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 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 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.

An air mattress and a production method of an air mattress are provided. The air mattress includes a first sheet and a second sheet, where the first sheet includes a first surface sheet; a periphery of the first surface sheet is provided with multiple first side sheets; the multiple first side sheets are integrally formed with the first surface sheet; adjacent side edges of each two adjacent first side sheets are connected, such that the multiple first side sheets are sequentially connected to form a first enclosing sheet; and the second sheet is connected to an end of the first enclosing sheet away from the first surface sheet.

The invention discloses an anti-white-top cosmetic container mold capable of pneumatically assisting negative-angle demolding, and relates to the technical field of cosmetic container molds, the anti-white-top cosmetic container mold comprises a bearing base and a lifting top plate arranged above the bearing base; wherein a lower die body is arranged above the bearing base, and an upper die body is arranged below the lifting top plate; a demolding mechanism is arranged in the lower mold body, and the demolding mechanism comprises main forming mold sleeves which are arranged at equal intervals; a pneumatic mechanism is arranged in the bottom face of the upper die body and comprises auxiliary forming die sleeves arranged at equal intervals. According to the top whitening prevention cosmetic container mold capable of pneumatically assisting negative-angle demolding, the main forming mold sleeve and the auxiliary forming mold sleeve are mutually combined for injection molding, the demolding top disc descends, a demolding agent is coated, the demolding top disc is opened through a demolding air hole of the exhaust outer barrel during separation, and the contact area between the demolding top disc and a cosmetic container is increased while pneumatic demolding is assisted; the pressure intensity is reduced to prevent white top and assist the dressing case to come off.

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 discloses a pressure vessel inner circular seam welding device and an inner circular seam welding method, and relates to the technical field of pressure vessel inner circular seam welding. The pressure vessel inner girth welding device comprises a left fixing table and a right fixing table which are used for preliminarily fixing a pressure vessel shell. And the annular clamping unit comprises an outer clamping assembly and an inner clamping assembly, and the outer clamping assembly and the inner clamping assembly can apply opposite clamping force in the radial direction to the shell from the inner side and the outer side of the shell correspondingly. By arranging the connecting structure, the welding unit can drive the annular clamping unit to synchronously act in the process of entering the shell and aligning to a welding seam, so that efficient cooperation of clamping and welding operation is realized; the annular clamping unit synchronously applies clamping force which is close to each other in the radial direction of the shell from the inner side and the outer side of the shell through the outer clamping assembly and the inner clamping assembly, and therefore bidirectional stable clamping of the end of the shell is achieved.

The invention relates to the technical field of part manufacturing, in particular to a hollow non-straight section composite part which is characterized in that a low-melting-point alloy is used for manufacturing a core mold to serve as a forming inner mold, fiber prepreg is laid on the surface of the core mold and subjected to curing treatment to form a shell structure, finally, the inner mold is removed in a melting mode, and the hollow non-straight section composite part is obtained. According to the hollow non-straight composite material part manufacturing method, the characteristic that materials can be controllably removed is utilized, the mold design is greatly simplified, the manufacturing cost is reduced, and meanwhile the forming freedom degree of a complex geometric structure is improved.

The invention discloses a fire-fighting water storage tank welding auxiliary device, and relates to the technical field of fire-fighting water storage tank processing, the fire-fighting water storage tank welding auxiliary device comprises a base, an outer stabilizing mechanism, an inner stabilizing mechanism and a horizontal adjusting seat installed on an external supporting device, the base is provided with a supporting mechanism, and the horizontal adjusting seat is provided with the outer stabilizing mechanism and the inner stabilizing mechanism; the outer stabilizing mechanism and the inner stabilizing mechanism are each provided with an anti-deformation mechanism and a welding head. Through cooperation of the bearing assembly, the side supporting assembly and the second side supporting piece, the water storage tank body and the sealing cover piece can be adaptively borne and supported during welding, and the welding efficiency and stability are improved; through a multi-point supporting structure, the stability of a welding head during welding is improved, and the problem that a welding seam is discontinuous is solved; the temperature of the front welding area and the temperature of the rear welding area are properly increased, the cooling speed can be reduced, the shrinkage difference caused by rapid cooling is reduced, residual stress generated in the welding process is released, and the deformation risk is reduced.

The invention provides a tube shell clamp and a welding method, and relates to the technical field of chip packaging, the tube shell clamp comprises a fixing table, the left side and the right side of the fixing table are provided with a first clamping assembly and a second clamping assembly respectively, and the first clamping assembly and the second clamping assembly are used for pressing a tube shell on the fixing table respectively; each of the first clamping assembly and the second clamping assembly comprises a first lever, a second lever, a vertical rod, an upper limiting structure and a lower limiting structure, the first lever comprises a first end and a second end which are opposite to each other, and the second lever comprises a third end and a fourth end which are opposite to each other; the first end is connected with a pressure head which is used for crimping with a tube shell, the third end is located below the second end, and a spring is connected between the third end and the second end; the vertical rod is connected with the fixing table, the upper limiting structure is connected to the vertical rod, and the position of the upper limiting structure in the vertical direction is adjustable; the fourth end is located below the upper limiting structure.

The invention discloses a full-circle needle beam trolley and method based on compressed air energy storage and relates to the technical field of tunnel construction, the full-circle needle beam trolley comprises a needle beam assembly, and supporting legs are arranged at the bottoms of the front end and the rear end of the needle beam assembly; the template assembly is arranged outside the needle beam assembly in the front-back direction of the needle beam assembly, and the template assembly at least comprises a first template group and a second template group; the beam frame assembly is arranged on the outer side of the needle beam assembly, and a supporting piece is arranged between the beam frame assembly and the template assembly so as to connect the beam frame assembly and the template assembly; guide mechanisms are arranged at the front end and the rear end of the needle beam assembly, so that the beam frame assembly drives the supporting piece and the template assembly to slide forwards and backwards along the needle beam assembly under the traction of the guide mechanisms. According to the embodiment of the invention, modular trolley, closed-loop sensing and automatic welding / grouting are realized, template positioning and welding seam and grouting quality are ensured, and leakage and reworking risks are reduced.

The invention discloses easy-open lid punch forming equipment, which relates to the technical field of punching equipment, and comprises a machine body, a punch forming part and a conveying part, the unwinding component is arranged at the front end of the machine body and is used for releasing an aluminum coiled material; the blanking part is mounted at the front part of the machine body and is used for cutting the released aluminum coiled material into aluminum sheets with the same size; the slicing component is mounted at the rear part of the machine body and is used for prefabricating the sheets into wafers with the same shape; and the stress relieving part is mounted in the middle of the machine body and used for releasing the stress of the aluminum coiled material. According to the invention, the blanking component is arranged to blank the released aluminum coil into the aluminum sheets with the same size, and the die for blanking the aluminum coil is arranged to be of a structure with sawteeth on one side, so that the aluminum sheets with the sawtoothed edges can be blanked, and the protruding parts of the outermost edges of the front and rear sides of the sheet with the shape can be cut into complete round sheets; therefore, the areas of non-stamping parts on the front side and the rear side of each aluminum material are reduced, and the waste amount of the aluminum materials is reduced.

The invention discloses a flexible inflatable material and a preparation method thereof, and belongs to the field of flexible inflatable materials. According to the method, by analyzing a model, forming a wire drawing hole in a removable supporting mold and combining a dotted single-knot type, through end point type and row-column sectional type specific wire drawing process, the arrangement of interval wires of the flexible inflatable material is comprehensively adjustable in position, length and pre-tightening force, and the structural adaptability and stability are improved; through in-situ glue brushing, film forming and sealing, the flexible inflatable material is uniform in sealing and stacking, not prone to leakage, not prone to wrinkling, not prone to secondary deformation and not prone to layering. The method can be used for preparing the high-pressure and high-shape-preserving special-shaped flexible inflatable material, and the shape preserving precision of the flexible inflatable material in a complex mechanical environment is improved.

The invention relates to the technical field of plastic bottle production, in particular to an injection molding device for medical plastic bottle production, which comprises a stand column, a mounting plate is fixed at the top of the stand column, an injection molding machine is mounted at the bottom of the mounting plate, a supporting plate is fixed outside the stand column, a rotating ring is arranged above the supporting plate, and the rotating ring is rotatably connected with the stand column. A plurality of supporting frames distributed circumferentially are arranged on the side face of the rotating ring, first molds and second molds are arranged on the inner sides of the supporting frames, the first molds are fixedly connected with the supporting frames, the second molds are connected with a driving mechanism, and the driving mechanism is used for driving the second molds to be close to or away from the first molds; cooling plates are embedded in the inner walls of the first mold and the second mold; through the rotary design of multiple molds, injection molding and cooling are synchronously carried out, the waiting time is eliminated, the problems that in the prior art, the injection molding process must be paused to wait for cooling completion, and continuous production cannot be achieved are solved, and the injection molding efficiency of plastic bottles is effectively improved.

The utility model discloses vacuum tank stamping equipment which comprises an equipment box. The sliding rod is arranged at the top of the equipment box; the top plate is arranged at the top of the sliding rod; the hydraulic cylinder is arranged at the top of the top plate; the moving plate is arranged at the bottom of the hydraulic cylinder; the limiting assembly is arranged at the bottom of the moving plate; the limiting assembly comprises a mounting ring, a clamping groove, a first spring, a clamping plate, a base plate, an electric push rod and a clamping plate. And the bottom of the moving plate is fixedly connected with a mounting ring. The vacuum tank stamping equipment is provided with the mounting ring, a clamping plate can be limited and supported by means of a first spring, a clamping plate can be pushed by means of an electric push rod to clamp and limit a workpiece, after mounting and limiting, when a stamping head descends, a base plate can firstly press and limit the periphery of the workpiece, and then the workpiece can be stamped; and after a base plate is stressed to drive a clamping plate to extrude a first spring, the requirement for secondary limiting of the workpiece can be met, and the situation that the workpiece shakes is reduced.

The invention provides an intelligent control method and system for the spinning forming thickness of a tank. According to the method, a spinning tank surface thickness fluctuation signal is collected, and a thickness gradient tensor is generated through time sequence decomposition; extracting a thickness fluctuation intensity value in the tensor and a time sequence lag amount of thickness change of adjacent points to calculate a phase deviation feature; based on the characteristics, the curvature of a laser scanning lens on an annular spinning roller is dynamically adjusted, and a three-dimensional wall thickness cloud picture for identifying the thickness abnormal area is output through focusing and scanning of the tank body; a spinning roller motion track is obtained, thickness change-track space deviation is calculated by associating the thickness abnormal area with the phase deviation characteristics, and a track compensation vector is generated; and according to the vector, a spinning roller feeding path is dynamically optimized, and wall thickness fluctuation caused by material springback is inhibited. Dynamic wave suppression of the wall thickness of the spinning tank is achieved, thickness fluctuation is compressed, and the rejection rate is reduced.

A later forming device for unscrewing covers is improved on the basis of an existing rack, a driving mechanism, a plurality of machining tools, a feeding mechanism and the like and further comprises a conveying mechanism which is driven by a main motor through a transmission mechanism and can operate intermittently, and the conveying mechanism comprises a plurality of conveying wheels and conveying belts wound on the conveying wheels. A plurality of through holes allowing unscrewing cover blanks to be located are sequentially formed in the conveying belt in the length direction, one section of the conveying belt can be laid on the table top, and the feeding hole and the machining holes in the table top correspond to the corresponding through holes in the section of the conveying belt in the stalling state in the vertical direction; and meanwhile, a discharging mechanism is further arranged and located below the table top, and the machined unscrewing cover finished product located on the conveying belt can be separated from the conveying belt. By the adoption of the structure, the accuracy and reliability of feeding and jacking operation rhythms can be guaranteed, intermittent operation can be achieved through the conveying belt, unscrewing cover blanks can be conveyed, and the whole structure is simple and easy to adjust, control and implement.

The invention discloses a pressure vessel steel plate blanking plasma cutting machine, and relates to the technical field of integrated stamping, the pressure vessel steel plate blanking plasma cutting machine comprises a machine table and a bearing frame slidably mounted on the machine table, a grating is fixed on the machine table, and the pressure vessel steel plate blanking plasma cutting machine further comprises sliding seats slidably mounted on the two sides of the machine table; the two sliding seats are connected through a rectangular rod, a sliding table is slidably installed on the rectangular rod, a lifting plate is slidably installed on the side, facing the bearing frame, of the sliding table, a cutting gun is fixed to the lifting plate, a lower pressing tool is slidably installed on the bearing frame, and the two sides of the lower pressing tool are each fixedly provided with two guide rods. Directional transfer work in a high space is achieved through cooperation of the rolling turning assembly and the telescopic part, namely, transfer from a point A to a point B is achieved, the positions of the point A and the point B are changed along with movement of the sliding table and the cutting gun all the time, but the path from the point A to the point B is not changed, and therefore any material plate cut by the cutting gun can rotate to the lower pressing tool, and the cutting efficiency is improved. Stamping is completed through downward pressing of the follow-up frame.

The invention discloses a hydrogen storage cylinder co-cured by a titanium alloy liner and fiber prepreg and a preparation method thereof, and the preparation method comprises the following steps: preparing a graphene modified PEEK water-based suspension; preparing a graphene modified carbon fiber / PEEK prepreg and a graphene modified glass fiber / PEEK prepreg by using the graphene modified PEEK water-based suspension liquid; the titanium alloy hydrogen storage cylinder inner container is machined and formed, the surface of the titanium alloy hydrogen storage cylinder inner container is anodized, and a uniform and compact titanium oxide film is formed; and sequentially winding the graphene modified carbon fiber / PEEK prepreg and the graphene modified glass fiber / PEEK prepreg on the outer side of the anodized titanium alloy hydrogen storage cylinder liner through a laser winding technology. The hydrogen storage cylinder prepared by the preparation method has the characteristics of high strength, good toughness, high temperature resistance, high flame retardance and the like, can provide long-term reliable safety guarantee in high-pressure hydrogen storage application, and is suitable for hydrogen storage requirements of electric / hydrogen energy hybrid aircrafts.

An aluminium alloy multi-layered brazing sheet product for brazing in an inert-gas atmosphere without a flux includes a core layer made of a 3xxx alloy including 0.20-0.75 wt. % Mg, and provided with a covering clad layer including 2-5 wt. % Si on one or both sides of said 3xxx alloy core layer and a Al—Si brazing clad layer including 7-13 wt. % Si positioned between the 3xxx alloy core layer and the covering clad layer. The covering clad layer has a thickness X1 and the Al—Si brazing clad layer has a thickness X2 and wherein X2≥2X1. The aluminium alloy multi-layered brazing sheet product can be used in a fluxfree controlled atmosphere brazing (CAB) operation to produce a heat exchanger apparatus.

A copper alloy bonded body composed of a plurality of members made of an age-hardenable copper alloy, the members diffusion-bonded to one another. The copper alloy bonded body has undergone solution annealing and an aging treatment, the content of beryllium in the age-hardenable copper alloy is 0.7% by weight or less, and (i) a bonding interface between the members has disappeared and / or (ii) a bonding interface between the members remains, and an oxide film at the bonding interface has a thickness of 0 nm or more and 5.0 nm or less.

A fully recyclable container and a method of manufacturing the same is provided. The container includes a cap, a shoulder, a body, a base, and a liner. The cap, the shoulder, and the base are made of biodegradable plastic by injection molding while the body is made of waterproof paper. The cap, the shoulder, and the base are detachably connected to form a housing of the container. The liner is formed inside the housing by blow molding of biodegradable plastic. The respective components of the container are completely made of biodegradable or bio-decomposable material and able to be disassembled for sorting and recycling. Thereby the fully recyclable container completely meets requirements of environmental protection and recycling.

The invention relates to the field of hollow blow molding, and discloses extrusion hollow blow molding equipment which comprises a bottom plate, a blow molding structure is arranged on the right side of the upper surface of the bottom plate, vertical plates are fastened to the middles of the front side and the rear side of the bottom plate through bolts, and two sets of forming molds are arranged between the two vertical plates through a first overturning structure. The material taking structure is arranged on the left side of the upper face of the bottom plate, under the action of the driving structure, the first overturning structure is driven to conduct overturning switching on the two sets of molds, in this way, after blow molding is conducted in one set of molds, the other set of molds can be switched in time to continue blow molding, operation is more labor-saving and convenient, and the working efficiency is greatly improved.

The invention discloses an adjustable welding device for air cooler production, and relates to the technical field of air cooler auxiliary welding, the adjustable welding device comprises a top platform, a bottom frame and a bottom bearing plate, the top platform is arranged at the top of the bottom frame, and the top platform serves as a supporting platform for welding a plurality of finned tubes of a whole air cooler to tube plate preformed holes; a main body structure of the finned tube heat exchanger comprises a top platform and a bottom frame, a bottom bearing plate is arranged in the middle of the top of the top platform and used for bearing a plurality of finned tubes, and tube plate fixing assemblies which can be driven by a two-way screw to get close to each other are arranged on the edge of the top platform. The tube plate fixing assembly is driven by the two-way screw to be close to the two ends of the multiple finned tubes after fixing the tube plates, assembling work of the multiple finned tubes and the two tube plates is automatically completed, efficiency is greatly improved, batch production is facilitated, the depth of the finned tubes inserted into reserved holes of the tube plates is guaranteed, and the production efficiency is improved. And the problems of poor heat conduction or unstable subsequent welding and the like caused by improper insertion are avoided.