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662 results about "Thin slab" patented technology
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Near-net-shape endless rolling non-oriented electrical steel ultra-thin strip and preparation method thereof
The invention discloses a near-net-shape endless rolling non-oriented electrical steel ultra-thin strip and a preparation method thereof, and belongs to the technical field of metal processing. According to the method, the near-net-shape endless rolling non-oriented electrical steel ultra-thin strip with the finished product thickness being only 0.05-0.15 mm is prepared through the processes of smelting, thin slab continuous casting, endless rolling hot continuous rolling, coiling, online heat preservation, acid pickling, primary cold rolling and continuous annealing, normalizing and secondary cold rolling annealing are not needed in the process, and short-process, low-cost and efficient production can be achieved. The defects that the surface of the non-oriented electrical steel ultra-thin strip is corrugated, the magnetic performance is poor, the surface is scratched and severely narrowed in the annealing process, iron loss is not easy to control, and energy consumption is high are overcome, and the prepared non-oriented electrical steel ultra-thin strip is excellent in magnetic property and can be applied to high-frequency and high-speed motors. And the development requirements of new energy and low-altitude economy are met.
Owner:WEIFANG UNIV OF SCI & TECH
Cabinet body structure processing device for high-voltage cabinet production
InactiveCN121223389AWelding/cutting auxillary devicesAuxillary welding devicesThin slabMechanical engineering
The invention relates to a cabinet body structure processing device for high-voltage cabinet production, which comprises a processing rack, a displacement box mounted at the upper end of the processing rack, a sliding seat arranged on the surface of the displacement box, a welding assembly arranged below the sliding seat and displacement racks arranged at the two ends of the processing rack, and a displacement frame is arranged between the two displacement racks; the displacement frame is used for clamping and turning over a high-voltage cabinet body, an outer moving frame and an inner positioning frame are arranged on the displacement frame, an outer clamping assembly is arranged on the outer moving frame, and an inner clamping assembly is arranged at the upper end of the inner positioning frame; by arranging a multi-point internal and external cooperative clamping and supporting structure, bidirectional mechanical constraint on a thin plate cabinet body in the whole welding process is achieved, the limiting effect on a plate body is improved, meanwhile, a pressing assembly is driven in the working process of a welding gun, angular deformation and wave deformation caused by thermal expansion and cold contraction are effectively restrained, and the welding quality is improved. The diagonal deviation control quantity of the cabinet body is small, and the assembly precision and the sealing performance between the door body and the cabinet body are improved.
Owner:SHENZHEN ZHUOYUE ELECTRIC CO LTD
Curved-surface thin plate laser welding device
PendingCN121339679AWelding/soldering/cutting articlesMetal working apparatusThin slabLaser soldering
The invention belongs to the technical field of thin plate laser welding, and particularly relates to a curved-surface thin plate laser welding device which comprises a welding base. A first supporting frame is arranged on the welding base. The upper fixing base and the lower fixing base are matched with a plurality of short rods to adaptively clamp different types of curved-surface thin plates, and are matched with two laser welding heads to perform double-sided welding, so that the effect of performing counterpoint double-sided laser welding on the different types of curved-surface thin plates is achieved, traditional laser equipment which is difficult to perform double-sided counterpoint welding on the curved-surface thin plates is replaced, and the production efficiency is improved. The multiple short rods on the upper fixing base and the lower fixing base can conduct adaptive clamping according to the curved surface shapes of the thin plates, the welding precision and stability are improved, welding deviation caused by the irregular curved surface shapes of the thin plates is avoided, the two oppositely-arranged laser welding heads can flexibly move to the upper and lower opposite seams of the two curved surface thin plates, and the welding quality is improved. And laser double-face simultaneous welding is achieved, the welding efficiency is improved, a welded joint is firmer, and the overall welding quality is improved.
Owner:DALIAN SHIPBUILDING INDUSTRY CO LTD +1
Length-adjustable cutting device for aluminum profile machining
The invention relates to the technical field of intelligent manufacturing equipment industry, in particular to a length-adjustable cutting device for aluminum profile machining, which comprises an intelligent manufacturing workbench, a gear disc rotationally clamped outside the top end of one side of the intelligent manufacturing workbench, and a central shaft slidably clamped in the middle position in the gear disc in a penetrating manner, according to the aluminum profile cutting device for the intelligent manufacturing industry, the arranged inner supporting assembly is composed of a plurality of abutting thin plates and first electric telescopic rods, so that when a thin-wall tubular aluminum profile is cut, the first electric telescopic rods extend, the abutting thin plates expand outwards and are tightly attached to the inner wall of the aluminum profile, and uniform and stable inner supporting is formed; compared with a traditional two-point clamping and positioning mode, the inner supporting assembly can evenly disperse cutting force generated during saw blade cutting, the situation that local stress of the aluminum profile is too large is avoided, and the deformation problems of ovality out-of-tolerance, pipe opening wrinkling and the like caused by uneven stress of the thin-wall aluminum profile are greatly reduced.
Owner:JIANGSU SUA ALUMINUM PRECISION TECHNOLOGY CO LTD
Positive and negative pressure pulse electric arc welding and additive manufacturing method
The invention provides a positive and negative pressure pulse electric arc welding and additive manufacturing method which comprises the following steps: inducing electric arc plasma to generate a negative pressure electric arc with an anti-gravity adsorption effect through a current-magnetic field-hollow tungsten electrode-gas collaborative design, and forming a time sequence coupling process with a positive pressure electric arc. The core of the method is that a magnetic control positive pressure and negative pressure electric arc welding external field is cooperated with a molten pool reconstruction forming mechanism, that is, the dynamic and thermodynamic states of a molten pool are accurately balanced by dynamically switching the electric arc pressure direction and regulating and controlling the action proportion and alternating frequency of negative pressure and positive pressure electric arcs. A self-adaptive magnetic field threshold model based on current intensity and a gas mode is combined with variable polarity power supply parameters and gas flow rate cooperative control, and the problems of thin plate welding fusion penetration and thin-wall additive molten pool instability are effectively solved. According to the method, a welding wire, powder or laser composite manufacturing mode can be integrated, the forming precision and performance of a complex structure are remarkably improved, and an innovative technical support is provided for high-quality and high-efficiency welding and additive manufacturing.
Owner:SHANGHAI UNIV OF ENG SCI
Heat exchange plate
The utility model discloses a heat exchange plate, belongs to the field of air preheaters, solves the problem that better heat exchange efficiency cannot be obtained when a plate sheet with higher hardness is used in the prior art, and mainly adopts the technical scheme that the heat exchange plate is formed by welding two thin plates which are arranged front and back through a plurality of linear welding parts, the non-welded parts on the two thin plates are far away from each other to form an air cavity for flowing air, the left side of the air cavity is an air inlet side, the right side of the air cavity is an air outlet side, and the linear welding part is in an up-and-down fluctuating wave shape. The heat exchange plate is mainly used for improving the heat exchange efficiency while ensuring the strength of the heat exchange plate.
Owner:ZHEJIANG JUNHUA SMART IOT TECH CO LTD
Magnesium alloy plate strip forming method and equipment system based on direct current casting-stepping extrusion-warm rolling direct connection-coiling furnace annealing
The invention discloses a magnesium alloy plate strip direct connection forming method and equipment system, and solves the problems of discrete process, serious oxidation and high energy consumption of a wide and thin magnesium plate. The method is realized through direct connection and cooperative control of the whole process of casting, extrusion, warm rolling and annealing, wherein a gradient solidification mold is adopted to control melt phase change, and high-frequency short-stroke stepping extrusion and dovetail groove dummy ingot are combined; pressing head return synchronously triggers a rolling mill and a loop box to perform warm compensation connection extrusion-warm rolling; tension is regulated and controlled through fuzzy PID; two-stage filtration, electromagnetic-ultrasonic composite grain refinement and CVC + AGC warm rolling are integrated; and the rolled plate is directly annealed in a nitrogen protection mobile coiling furnace. Continuous production of four procedures is achieved, oxidation heat loss is reduced, efficiency is improved by more than 50%, energy consumption per ton is smaller than or equal to 0.8 tce, the defect rate is smaller than or equal to 0.5%, the service life of a die is longer than or equal to 5000 times, thin plates with the width larger than 800 mm and the thickness + / -0.1 mm (for example, the tensile strength of AZ31 is larger than or equal to 350 MPa) can be stably produced, and the ductility is improved by 40%. The method is suitable for high-efficiency and low-consumption manufacturing of high-performance lightweight magnesium plates in the fields of aerospace and automobiles.
Owner:OUKUN TECH (BEIJING) CO LTD
Mixed rolling production line and production method thereof
The invention relates to a mixed rolling production line and a production method thereof. The production line comprises a production line A and a production line B which are arranged in parallel; the production line A comprises a continuous casting unit, a line A rough rolling unit, a line A hot coiling station, a finish rolling unit, a cooling device and a coiling unit which are collinearly arranged in sequence; the production line B comprises a heating furnace, a line B descaling device, a line B rough rolling unit and a line B hot rolling station; a furnace discharging roller way of the heating furnace, the line B descaling device, the line B rough rolling unit and the line B hot rolling station are collinearly arranged in sequence; the A-line hot rolling station and the B-line hot rolling station are connected through a transverse moving track, and a movable hot rolling device is movably arranged on the transverse moving track. The movable hot rolling device is switched between the A-line hot rolling station and the B-line hot rolling station, organic coupling of the two production lines is achieved, the thin slab production mode and the thick slab production mode of the mixed rolling production line share the finish rolling unit, the coiling machine and the like, and the equipment investment and the occupied area of the production line are effectively reduced.
Owner:WISDRI ENG & RES INC LTD
Anti-buckling tool for low-cycle fatigue test sheet metal structure
The utility model relates to the technical field of low-cycle fatigue tests, and discloses an anti-buckling tool for a low-cycle fatigue test sheet metal structure, which comprises a fixing assembly and a guide assembly, the fixing assembly comprises an upper fixing piece I, an upper fixing piece II, a lower fixing piece I and a lower fixing piece II, two screws are connected between the first upper fixing piece and the second upper fixing piece, two screws are connected between the first lower fixing piece and the second lower fixing piece, and cushion blocks are arranged on the inner side faces of the first upper fixing piece, the second upper fixing piece, the first lower fixing piece and the second lower fixing piece. Through the fixing assembly, the sample can be conveniently and quickly assembled, the low-cycle fatigue test requirement of the sheet metal structure can be met, and the lateral buckling instability phenomenon between a clamping part of equipment and the buckling-restrained tool can be reduced; through the guide assembly, when the sample bears a tension and compression cyclic load, the lateral buckling instability phenomenon in the thickness direction is prevented, and the stability of the sample is further enhanced.
Owner:GUOHE GENERAL (QINGDAO) TEST & EVALUATION CO LTD
An asymmetric ring electrode cap and its matching welding device
The application discloses an asymmetric ring electrode cap, discards the traditional two-side uniform spherical electrode design, and adopts an asymmetric ring electrode structure, specifically, the welding end face diameter of a thin plate side electrode cap is 6-14 mm, the curvature radius is 40-100 mm, three rings are arranged, the inner ring is provided with a conical pit, and the middle ring is in the shape of an isosceles trapezoid; the welding end face diameter of a thick plate side electrode cap is not less than that of the thin plate side and not more than 14 mm, the curvature radius is not less than that of the thin plate side and not more than 100 mm, three rings are also arranged, the inner ring is provided with a conical pit, and the middle ring is in the shape of an equilateral triangle. The ring structure parameters of the two electrode caps are accurately designed to adapt to the welding requirements of plates with different thicknesses, and the welding quality and efficiency are improved. The application is particularly suitable for resistance spot welding of materials such as aluminum workpieces with large thickness ratios.
Owner:SHANGHAI ZHONGKE SHENGUANG OPTOELECTRONIC IND CO LTD
Automatic avoiding positioner for thin-plate arm body welding and control method
PendingCN120438958AWelding/cutting auxillary devicesAuxillary welding devicesThin slabWelding deformation
The invention relates to the technical field of welding positioners, and provides an automatic avoiding positioner for thin-plate arm body welding, aiming at solving the problems that a clamp and a welding robot interfere with each other to influence welding and cannot meet the welding requirement of a high-altitude thin-plate arm body due to the fact that a rotary body and the clamp are designed in the same structure in an existing conventional ring type positioner. A servo motor is used for controlling the position of a circular rotary clamp, accurate avoiding of the clamp during arm body welding is achieved, the problems of clamp interference and discontinuous weld joints during welding are solved, meanwhile, a plurality of self-centering lifting clamps are designed, the problem of clamping rigidity during thin-plate arm body welding is solved, and effective control over welding deformation is achieved.
Owner:XCMG XUZHOU TRUCK MOUNTED CRANE CO LTD
Construction method and leveling method of thin plate leveling process parameter model
The invention belongs to the technical field of sheet welding deformation leveling, and discloses a construction method and a leveling method of a sheet leveling process parameter model, and the method comprises the following steps: M1, obtaining corresponding material attributes according to a sheet material needing to be leveled on site; m2, related data of the field welding process are known; m3, the initial leveling position, the heating time, the heating current and the heating frequency are obtained according to the material attributes and the welding process parameters of the thin plate; step M4, calculating the heat flux density of the Gaussian heat source model of the heating position according to the heating current, selecting the next heating position according to the heat flux density, and obtaining a heating sequence; and step M5, repeatedly executing the steps M3 to M4, and further correcting the heating time, the heating current and the heating frequency according to the actual temperature change data to obtain a final thin plate flattening process parameter model. According to the method, data of material attributes of an actual flattening heating workpiece and actual flattening working conditions are collected, and a multi-input and multi-output thin plate flattening process parameter model conforming to field working conditions is established.
Owner:JIANGSU UNIV OF SCI & TECH
Thin plate welding seam polishing control method
The invention belongs to the technical field of intelligent manufacturing, and provides a thin plate welding seam polishing control method which comprises the following steps: calculating a defect judgment parameter for any point in each cluster, judging whether the point is a defect point and a defect type according to the defect judgment parameter, clustering the defect points to form a defect cluster set, and obtaining a target removal amount of each defect cluster; determining a trajectory for the gravity center projection point set of the defect cluster, and stepping from the starting point to the ending point of the trajectory with a dynamic step length to generate a discrete path point set; the track line comprises a center line obtained through curve fitting in the welding seam direction; according to the radius of the cutter and the expected removal depth of the current pass, the position and posture of the polishing cutter are calculated for each path point; and the discrete cutter positions and postures are fitted to form a continuous cutter pose track. The method is suitable for automatic grinding of automobile door frame type welding seams, and has the advantages of being simple in engineering, high in feasibility, low in cost, robust to welding slag artifacts and the like.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY
Machining method and system for stainless steel rectangular groove plate
According to the machining method and system for the stainless steel rectangular groove plate, the material thickness and elastic modulus parameters of a 316L stainless steel thin plate are obtained, the stress distribution state in the machining process is monitored in real time through a sensor, and if the stress value exceeds a preset threshold value, the cutting force and machining speed parameters are adjusted; a support vector machine algorithm is adopted to analyze the nonlinear relation between the material thickness and the elastic deformation, and an optimized mechanical parameter control model is obtained; according to stress control data output by the mechanical parameter control model, the machining temperature and vibration frequency information of a contact area of a tool and a workpiece is obtained, if the vibration frequency exceeds a stable machining range, the rotating speed and the feeding amount of a spindle are adjusted in real time, and the influence of thermal deformation on the groove depth precision is corrected through a temperature compensation algorithm; and determining a dynamic processing parameter combination adapted to the characteristics of the thin plate. Intelligent control over the thin plate precision machining process is achieved, and the machining precision and efficiency are effectively improved.
Owner:ZHU ZHOU TAI LAI JI XIE YOU XIAN GONG SI
Punch forming device for machining
The invention discloses a stamping forming device for machining, and relates to the technical field of forging stamping machining, the stamping forming device comprises a stamping assembly, the stamping assembly comprises a base, a storage frame is fixed in the base, an exhaust part is arranged on the storage frame, a hydraulic cylinder is arranged at the top of the base, and a thin plate is arranged at the top of the storage frame; and the template assembly is arranged on the base and comprises an upper die fixed to the output end of the hydraulic cylinder, and an abutting piece is arranged at the bottom of the upper die. The punching device has the beneficial effects that through the arrangement of the cleaning assembly and the conveying assembly, exhausting can be conducted during punching downward movement, the interior of the storage frame is in a negative pressure state during punching upward movement reset, waste chips are actively pushed out of a die hole through the atmospheric pressure, a toothed plate moves to be matched with a gear, a driving roller rotates to feed a thin plate, and the punching efficiency is improved. While negative-pressure discharging and blocking prevention are completed, machined materials can be fed, and additional feeding equipment does not need to be arranged.
Owner:KUNSHAN FUERRUI PRECISION MOLD
Wing type centrifugal impeller blade manufacturing process based on sheet forming
The invention relates to a wing type centrifugal impeller blade manufacturing process based on sheet forming, in particular to the technical field of centrifugal impellers, comprising a blade body, one side of the blade body is connected with a front disc, and one side, away from the front disc, of the blade body is connected with a rear disc; the blade bodies with the wing-shaped sections are formed through a specific process by means of thin plate materials, after all the blades are manufactured, the blade bodies are arranged at a specific three-dimensional space angle, the edge of one side of each blade body is connected with a disc-shaped component called a front disc, and the blade bodies are connected with the disc-shaped component. One side edge of the blade body is connected with a front disc, the other side edge of the blade body is connected with a disc-shaped component called as a rear disc, and the front disc, the rear disc and all the blade bodies jointly form a complete centrifugal impeller structure capable of efficiently conveying fluid. And the product has lighter weight and higher material utilization rate. The manufacturing process is based on the thin plate stamping and welding forming wing type centrifugal impeller blade manufacturing process.
Owner:SHANGHAI SHIYILUO FAN CO LTD
Device and method for testing residual stress in thin plates
ActiveCN120651410BForce measurement by measuring optical property variationUsing optical meansThin slabStructural engineering
The present invention provides a thin plate residual stress testing device and a thin plate residual stress testing method. The thin plate residual stress testing device includes: a clamping support assembly, a cutting assembly, and a laser testing assembly. The clamping support assembly includes at least one clamping test structure, which includes a test bench, a first clamping portion, a second clamping portion, and a bottom support portion. The test bench has a test cavity inside, and the test bench also has a test inlet connected to the test cavity. At least a portion of the first clamping portion, the second clamping portion, and the bottom support portion are respectively disposed within the test cavity. The thin plate to be tested enters the test cavity from the test inlet along its length, and the bottom support portion is used to support the bottom of the thin plate to be tested. The cutting assembly is used to cut grooves of varying depths on the thin plate to be tested. The present invention solves the problems of low testing efficiency, complex structure, and high equipment cost in thin plate residual stress testing devices in the prior art, and can achieve fully automated testing.
Owner:CHINALCO MATERIALS APPL RES INST CO LTD
Pad isolating device for transporting thick aluminum alloy plates
The utility model relates to the technical field of thick aluminum alloy plates, in particular to a spacer device for transporting thick aluminum alloy plates, which comprises an inner thin aluminum plate coating and a structural component. The structural assembly comprises an outer aluminum sheet wrapping object, silicate fiber filler, a fixed block, a cylinder, a spring and a block, the outer aluminum sheet wrapping object is fixedly installed on one side of the inner aluminum sheet wrapping object, the silicate fiber filler is detachably connected with the inner aluminum sheet wrapping object, the fixed block is slidably connected with the outer aluminum sheet wrapping object, and the cylinder is fixedly connected with the fixed block. The cylinder body is connected with the fixed block in a sliding mode and fixedly connected with the silicate fiber filler, the block body is connected with the cylinder body in a sliding mode and fixedly connected with the fixed block, one end of the spring is connected with the cylinder body, and the other end of the spring is connected with the block body, so that the machining quality of the thick aluminum plate is prevented from being affected.
Owner:CHALCO LOGISTICS GRP CHONGQING CO LTD
Thin plate laser lap welding method, laser device and laser welding equipment
The invention belongs to the technical field of laser welding, and discloses a thin plate laser lap joint welding method, a laser device and laser welding equipment. The power of the laser acting on the surface of the upper plate and the power of the laser acting on the lower plate are both smaller than the power of the laser acting on the center of the weld joint, the laser power is in a low-high-low change trend in the direction from the upper plate to the center of the weld joint to the lower plate, and it is ensured that the laser in the center of the weld joint can penetrate through the upper plate. Laser on the two sides of the center of the welding seam is controlled in a state of not penetrating through the plate, so that energy input in different subareas of the welding seam is accurately controlled, the controllable and different fusion depths of all the subareas are ensured, the problems that the fusion depths are unstable, the contour of a molten pool is discontinuous and the lower plate is easy to penetrate are solved, the welding seam is good in consistency and free of inward concave or outward convex, and continuous smooth transition is achieved; the size measurement of the molten pool meets the standard requirements, the welding quality and the welding efficiency are effectively improved, welding wires are not needed, and the cost is effectively reduced.
Owner:WUHAN CHUANGXIN LASER TECHNOLOGY CO LTD
Sheet conveying device
The invention provides a thin plate transportation device, which relates to the technical field of plate body transportation, and comprises a bearing mechanism of which the upper surface bears a plate body stack, a conveying mechanism which is arranged in the middle of the bearing mechanism and can be longitudinally lifted and propped against the bottom surface of the plate stack, and clamping mechanisms which are arranged on two sides of the bearing mechanism and are horizontally and oppositely clamped, the longitudinal position in the clamping mechanism is changed through a lifting mechanism, chain type longitudinal conveying mechanisms are arranged on the two sides of the bearing mechanism correspondingly, and the clamping mechanism can clamp a small part of plate stacks and place the plate stacks between the two chain type longitudinal conveying mechanisms for supporting. According to the plate body conveying device, the stacked plate stacks can be separated into a plurality of small plate stacks, separation work is conducted, the small plate stacks can conveniently extract plate bodies from the bottom to be conveyed, the plate body conveying efficiency can be improved, the small plate stacks can be temporarily separated and supported, and the plate body conveying efficiency can be improved. Small plate stacks can be transported and processed in time in a lifting mode; the device can avoid taking a plate body from the top of a plate stack for processing.
Owner:CHUZHOU SUBURBAN POWER SUPPLY CO OF STATE GRID ANHUI ELECTRIC POWER CO LTD
Uniaxial tensile clamp for concrete thin plate test piece and automatic centering and clamping method
PendingCN120507207AMaterial strength using tensile/compressive forcesThin slabStructural engineering
Owner:HEBEI UNIV OF TECH
Die cutting bottom die and die cutting assembly for thin plate packaging box
The utility model relates to the field of die cutting machining, and particularly discloses a die cutting bottom die and a die cutting assembly for a thin plate packaging box. The die cutting bottom die comprises a base plate, cutter lines and an indentation groove are arranged on the base plate, the groove wall of the indentation groove comprises an end wall located at the end, the end wall comprises a first plane segment, and the first segment is parallel to the corresponding cutter line. According to the die cutting bottom die, the end space of the indentation groove can be effectively released, the distance between the end of the indentation piece and the end of the indentation groove during die cutting is reduced, and therefore the distance between an indentation on a packaging box and the cutting edge after die cutting is completed is reduced, and the packaging box forming quality is improved.
Owner:ZHEJIANG KAISHI LASER TECH CO LTD
A veneer press for wood processing
This utility model discloses a veneer press for wood processing, specifically relating to the field of wood processing. It includes a worktable, a support base fixedly connected to one side of the worktable, a pressure-applying component fixedly installed on the upper surface of the support base, a positioning plate fixedly installed on the upper surface of the worktable, and a transmission base fixedly installed on the bottom surface of the worktable. Two bearing rings are fixedly embedded in the inner wall of the transmission base, and the inner rings of the two bearing rings are jointly fixedly connected to positive and negative lead screws. This utility model allows the spacing between two movable limiting plates along the transmission hole to be adjusted. Regardless of the difference in board width, the spacing between the movable limiting plates can be adjusted to ensure a close fit with the edge of the board, avoiding the problem of insufficient contact area caused by the limited adaptability range of traditional equipment. This enables the equipment to handle multi-specification processing needs from narrow, thin boards to wide, thick boards, enhancing the flexibility of veneer positioning.
Owner:WEIHAI BOSENYUAN IND CO LTD
Continuous stamping die with self-locking anti-deviation positioning column
The invention relates to the technical field of stamping dies, in particular to a continuous stamping die with a self-locking anti-deviation positioning column, which comprises a die mounting frame, a plurality of guide rods are fixedly mounted in the die mounting frame, a stamping plate is slidably connected between the guide rods, and a hydraulic cylinder is fixedly mounted between the top of the stamping plate and the die mounting frame. One side of the die mounting frame is provided with a multidirectional limiting assembly for preventing deviation feeding of the material belt, and the stamping plate is provided with an adjustable positioning assembly which is combined with the material belt positioning hole to conduct deviation-preventing accurate stamping on the material belt. According to the invention, self-adaptive multi-directional movable pre-positioning treatment is realized for material belts with different wide edges and thicknesses through the multi-directional limiting assembly, the feeding deviation of the material belts is effectively avoided, and the core problems of inaccurate punching positioning, concave sheet positioning holes, tedious die replacement debugging and the like are further avoided by combining the matching of the adjustable positioning assembly and the material belt positioning holes, so that the production efficiency is improved. Therefore, the positioning precision is improved.
Owner:KUNSHAN DURABLE PRECISION TECH CO LTD
A super-large-diameter sheet hoisting tool and processing equipment
This invention relates to the field of lifting tool technology and provides a lifting tool and processing equipment for ultra-large diameter thin plates. The lifting tool includes a lifting fixture, a pressure plate, lifting claws, a centering mechanism, and a suction cup mechanism. The upper end of the lifting claw is rotatably connected to the middle of the lifting fixture, and the lower end of the lifting claw is provided with at least three jaws. A positioning shaft protrudes from the middle of the pressure plate, and a chuck extends radially from the positioning shaft. The chuck has grooves for the jaws to pass through. The lifting claws are used to lift the pressure plate by engaging with the chuck. At least three centering mechanisms are spaced apart and connected to the circumferential edge of the lifting fixture, and are used to coaxially center the workpiece with the lifting fixture. At least three suction cup mechanisms are spaced apart and connected to the lower end of the lifting fixture along the circumferential direction, and are used to connect the workpiece. This improves the processing efficiency and quality of ultra-large diameter thin plates.
Owner:CFHI DALIAN HYDROGENANT REACTOR +1
A high-precision anti-warping clamping device for thin plate parts based on negative pressure adsorption
PendingCN122253000APositioning apparatusMaintainance and safety accessoriesThin slabPressure - action
The application discloses a kind of high-precision warping prevention clamping equipment of sheet part based on negative pressure adsorption, belong to the technical field of machine equipment.It includes adsorption platform, is provided with several adsorption holes on adsorption platform, and airflow chamber is arranged in adsorption platform;Plug is installed in adsorption hole, second filter screen is rotatably installed on plug, and torsional spring is installed in the rotary joint of second filter screen;Several adjusting frames are slidably installed on adsorption platform, several locating plates are installed on adjusting frame, threaded rod is rotatably installed on adjusting frame, and threaded rod is threadedly connected with adsorption platform.The plug is inserted into adsorption hole, and the inclined groove of guiding block can be inserted into the locating plate of adjusting frame, so that the plug is forced to drop to the limit position, the top of plug is slightly lower than the mouth part of adsorption hole, the plug is prevented from being damaged by knocking during workpiece clamping process, and the stability of plug after installation is improved when reverse pressure cleaning is prevented from being separated from adsorption hole by pressure.
Owner:JIANGGONG CNC TECHNOLOGY (NEIJIANG) CO LTD +1
Installation method of back arris reinforcing system
The invention provides an installation method of a back ridge reinforcing system, and belongs to the technical field of building construction.The installation method comprises the steps that a bent arc secondary keel matched with the curvature of a bent arc section is manufactured through a numerical control hot bending forming or thin plate lamination cold bending process, and a frame body supporting system verified through a pre-pressing test is built; a plane secondary keel and a composite back ridge with a tenon-and-mortise structure interface are installed, a fluid-solid coupling numerical model is established to simulate the concrete pouring process and optimize back ridge arrangement, and a continuous load transmission path from a bottom die to a frame body supporting system is formed through the bent arc secondary keel and the tenon-and-mortise structure interface. A layered symmetrical pouring mode is adopted, vertical rod settlement and back ridge strain are monitored in real time, and the technical problem that a formwork deforms and is unstable due to the fact that the space curved surface load of a special-shaped beam curved section formwork system is difficult to accurately transmit to a plane supporting system is solved.
Owner:SHANDONG CONSTR SUPERVISION CONSULTING CO LTD +2
Device for testing weld strength of warhead shell formed by coiling and welding thin plate
The invention provides an inspection device for weld strength of a warhead shell formed by sheet roll welding, which comprises a sheet roll welding cylinder with a vertical weld and a liquid cavity buffer layer, and a pressure sensor is arranged between the liquid cavity buffer layer and the sheet roll welding cylinder; the device further comprises a radial circular truncated cone extrusion unit, the radial circular truncated cone extrusion unit comprises a plurality of radial circular truncated cone extrusion bodies, a plurality of annular through holes are formed in each radial circular truncated cone extrusion body, and an opening spring ring is movably installed in every two horizontally-corresponding annular through holes. The device further comprises an upper axial circular truncated cone extrusion body and a lower axial circular truncated cone extrusion body, axial pressure bolts are installed in the upper axial circular truncated cone extrusion body and the lower axial circular truncated cone extrusion body, the upper ends of the axial pressure bolts are sleeved with nuts, and outer flanges are arranged at the lower ends of the axial pressure bolts. By adjusting the internal stress value, the radial extrusion force borne by the weld joint is just equal to the internal stress borne by the weld joint during actual use of the warhead, then whether the weld joint is damaged or not is measured, and the safety of the warhead during launching is guaranteed.
Owner:XIAN MODERN CHEM RES INST
Intelligent jig frame system for assembling large flexible sheet and operation method thereof
The application provides an intelligent jig frame system for assembling large flexible thin plates and a running method thereof. The assembling system comprises a workbench, movable clamps and an upper computer. The workbench is used for bearing and placing the movable clamps. A plurality of movable clamps are moved on the workbench and support the large flexible thin plates. The upper computer distributes target position information and support height information to the plurality of movable intelligent jigs through calculation. The application realizes intelligent optimization of the jig frame position and automatic adjustment of the jig frame, can efficiently form an assembling system suitable for assembling large thin plates of various shapes and curvatures, saves manpower and improves work efficiency.
Owner:TONGJI UNIV
Furniture metal sheet welding process based on multi-section compression anti-warping structure
The application relates to the technical field of metal welding, and discloses a furniture metal sheet welding process based on a multi-section compression anti-warping structure, which comprises the following steps: S1, checking the sheet material, thickness and surface state, making the sheet material meet the requirements, and clearly defining the weld position and length; S2, using the methods of chemical cleaning, mechanical polishing and sand blasting to remove the oil stains, rust, oxide scale impurities on the surface of the metal sheet, making the surface expose the metal luster, and ensuring the welding quality. The furniture metal sheet welding process based on the multi-section compression anti-warping structure can effectively solve the problems in the prior art that plastic deformation is caused during the welding of the metal sheet, and then the sheet appears the warping phenomenon; the warping can make the welded metal sheet deviate from the originally designed size specification, causes the poor cooperation in the subsequent assembly process, increases the assembly difficulty and cost, and even causes the problem that the whole product cannot be normally assembled.
Owner:DONGGUAN JIASI FURNITURE CO LTD