97 results about "Thin slab" patented technology

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.

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.

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.

The present application belongs to the field of forging technology, and particularly relates to a forging method of an L-shaped large thin plate forging. The method realizes qualified output of the L-shaped large thin plate forging by using a special bending tool and an L-shaped die, and combining free forging and die membrane forging, and solves the blank of the forging technology of the L-shaped large thin plate forging.

The application discloses a forming method for concave thin plate corrugated stainless steel parts, which comprises die assembling, stamping buffer layer laying, stamping preforming, stamping forming and shearing correction. By using the forming method, the existing punch is used, in the stamping preforming process, the stamping buffer layer is laid, the step-by-step pressing mode is adopted, the stamping buffer layer can control the material flow problem, so that the material uniformity is achieved; in the stamping forming, the die is replaced, and the one-time pressing forming is adopted, which can effectively solve the technical problem that the boundary of the corrugated area is prone to wrinkling, and can improve the forming efficiency, so as to improve the qualified rate of part forming, ensure the product forming quality, greatly reduce the processing cost, and be applied to the processing of the parts prone to wrinkling, and is convenient to operate and suitable for popularization and application.

The invention relates to the technical field of laser cutting machines, and provides a laser cutting machine for JP cabinet production, which comprises a mounting plate frame, a traction component, a polishing component and a pressing and separating mechanism, the mounting plate frame is fixedly connected to the end part of a lathe bed, and the pressing and separating mechanism is fixedly connected to the mounting plate frame; the pressing and separating mechanism is used for disconnecting a part adhered to a plate from the plate through pressing and comprises a cushion wheel and a pressing wheel, a plurality of protrusions are arranged on the pressing wheel, the plate slides between the pressing wheel and the cushion wheel, the cushion wheel and the pressing wheel are each sleeved with a protective sleeve made of a flexible material, and the protective sleeves are connected with the pressing wheel. And a scraper mechanism is arranged between the pressing and separating mechanism and the traction component and used for separating parts which are pressed and broken by the pressing and separating mechanism on the plate, and the technical problems that in the prior art, after laser cutting is conducted on the JP cabinet thin plate, cuttings adhere to base metal, residues need to be removed through manual knocking, the labor cost is high, and the machining efficiency is low are solved.

The application relates to the technical field of data processing, and discloses a steel structure plant profile blanking optimization method and system based on Tekla. The method comprises the following steps: extracting component parameters based on Tekla, comparing with a standard database to distinguish rolled pieces and welded pieces; disassembling the welded pieces and correcting a list according to plate thickness; counting inventory to generate an available resource list; adopting a multi-level matching strategy to determine the demand for the rolled pieces; adopting plate cutting optimization to generate thin plate and thick plate cutting plans for the welded pieces, and processing variable cross-section webs through pair-by-pair complementary splicing, so as to determine the demand for coiled materials and steel plates; and constructing a dynamic optimization model integrating inventory and fund constraints, so as to output an optimal scheme under the fund limit constraint. The application improves the comprehensive utilization rate of materials, preferentially guarantees the supply of main components, reduces procurement and inventory costs, and provides scientific decision support for steel structure plant blanking.

The utility model discloses a kind of connecting structure system of anti-floating anchor rod and foundation bottom plate, including foundation bottom plate, foundation cushion, anchor rod core, shear bending rib, anchor head steel plate, expansion waterstop, stress dispersion steel plate, sealing paste.The foundation bottom plate is cast-in-place reinforced concrete slab;The foundation cushion is cast-in-place plain concrete thin plate;The anchor rod core is PSB prestressed high-strength steel;The shear bending rib is the anchor head two ends bending U-shaped steel bar arranged in foundation bottom plate;The anchor head steel plate is steel hollow plate, is sleeved on axial PSB prestressed high-strength steel and is fixed together by upper and lower two limiting high-strength bolt connection;The expansion waterstop is set on limiting high-strength bolt;The stress dispersion steel plate is set on foundation cushion;The sealing paste is set in stress dispersion steel plate below.The utility model has the advantages of good corrosion resistance, high anti-permeability, fast construction speed, energy saving and environmental protection, and its technical and economic benefits are outstanding.

The application discloses a method for producing oriented silicon steel by adopting a medium-thin slab continuous casting and rolling technology combined with a nitriding method and belongs to the field of steel metallurgy. 1.7 <1.00W / Kg, B8>1.90T; the application adopts an ASP continuous casting and rolling process, controls the size and quantity of AlN inherent inhibitors to be uniformly distributed in the slab, adopts a low-temperature slab short-time heating process, controls the hot-rolled structure to be uniform, adopts a two-stage normalizing process, adopts aging rolling in primary cold rolling, adjusts a decarburization annealing process, a high-temperature nitriding process and a suitable high-temperature annealing process, and thus the magnetic performance of the product is improved, the iron loss is reduced, the comprehensive yield is greatly improved, and the application prospect is very wide.

This application relates to the field of grooved wire cutting technology, and in particular to a positioning device for grooved wire cutting. The device includes a base and a positioning assembly. The positioning assembly is mounted on the base and includes a fixed plate and a movable plate. The fixed plate is fixedly connected to the base, and the movable plate is slidably connected to the base via a slide rail. An elastic clamping mechanism is provided between the fixed plate and the movable plate. Both the fixed plate and the movable plate have vacuum suction holes, which are connected to an external vacuum pump via air pipes. This application, through the combination of the elastic clamping mechanism and the vacuum suction holes, achieves rapid positioning and stable clamping of workpieces of different sizes and shapes, significantly improving positioning efficiency and accuracy. It is particularly suitable for positioning thin plates or irregularly shaped workpieces. Simultaneously, the movable plate can be quickly adjusted via the slide rail and adjusting threaded rod to meet the switching needs of multiple workpiece specifications, enhancing the adaptability and flexibility of the device.

A kind of concave character type sheet cold bending section bar continuous production equipment and its using method, including equipment body, equipment body two sides are connected with electric cabinet and hydraulic station respectively, electric cabinet is electrically connected with equipment body, for controlling the automatic operation of whole production line, hydraulic station provides power for equipment main body inside, the present application is by integrating sheet material leveling, flat plate stamping, cold bending forming, flanging and cutting and other core processes, realize the continuous automatic production of concave character type sheet cold bending section bar raw material to finished product, improve production efficiency;Through the cooperation of feed length counter and electric cabinet control, ensure the positioning accuracy of stamping hole and finished product cutting, reduce human error;Cold bending forming area adopts staged progressive rolling, optimizes roller group division for concave character section, reduces forming springback and distortion, integrates multiple flanging dies and cutting functions with stamping device, simplifies equipment layout and station investment, reduces floor space and maintenance cost, adapts to large-scale production demand.

This application relates to a 1700MPa grade martensitic steel and its preparation method, belonging to the field of steel manufacturing technology. The chemical composition of the martensitic steel, by mass fraction, is: C: 0.28%~0.34%, Si: 0.50%~1.20%, Mn: 2.10%~3.00%, Cr: 0.45%~0.70%, Nb: 0.02%~0.06%, Al: 0.03%~0.06%, P≤0.010%, S≤0.006%, with the remainder being Fe and unavoidable impurities. By employing a C-Si-Mn-Cr-Nb composition system to precisely control key alloying elements, combined with a multi-mode thin slab continuous casting and rolling process, and innovatively applying low-temperature coiling and low cold rolling reduction technologies, these measures significantly improve the production efficiency of martensitic steel and effectively suppress its hydrogen-induced delayed cracking tendency. Therefore, the resulting martensitic steel can form a mixed structure with martensite as the matrix and a small amount of ferrite. This structure enables the martensitic steel to have both ultra-high strength and moderate plasticity, thus breaking through the mechanical performance bottleneck of traditional high-strength steel and providing an ultra-high strength material solution for automotive safety components that combines high reliability and high production efficiency.

This utility model provides an evaporator partition, comprising two thin plates that are fitted together. The opposing surfaces of the two thin plates are recessed to form medium channels. A first pipe connector and a second pipe connector are respectively installed at both ends of the space formed by the two medium channels. A frame is installed on the opposing sides of the two thin plates, and the two frame frames are welded together. Multiple horizontal plates are evenly installed on the side of the frame away from the thin plates. An elongated oval opening is provided on the side of each horizontal plate facing the thin plates, and a screw is inserted into the elongated oval opening. One end of the screw contacts the thin plate, and two nuts are threaded onto the screw. The two nuts on one screw are respectively located on both sides of the elongated oval opening. This utility model has the following beneficial effects: increasing the welding connection range between the two thin plates and improving compressive strength.

This utility model relates to a formworkless cast-in-place STC steel-concrete composite bridge deck construction structure, including a side structure along the bridge length and an end structure along the bridge width. STC concrete is cast-in-place within the space enclosed by the end and side structures. The side structure includes a steel sheet, a filler layer, and sealant. The steel sheet is vertically welded to the top plate of the steel box girder. The filler layer is placed between the steel sheet and the perforated steel reinforcement of the bridge deck crash barrier on the outside of the steel sheet. Sealant is applied to the joint between the steel sheet and the top plate of the steel box girder. The end structure includes, from bottom to top, a leak-proof non-woven geotextile, an end baffle, and wooden joists placed on the top plate of the steel box girder, and also includes wire binding the end baffle and wooden joists together. This utility model enables rapid construction and ensures control over the end and side alignment and construction quality of the cast-in-place STC steel-concrete composite bridge deck, belonging to the field of bridge construction technology.

The present application relates to the technical field of metal cutting, in particular to a kind of rolling differential thick plate finishing equipment of periodic variable cross-section thickness, including the conveying belt being arranged on machine tool base, and two groups of T-shaped seat being oppositely arranged on both sides of machine tool base, two groups of T-shaped seat are all equipped with disc cutting group, when using, by driving part driving disc cutting group is rotated, when the thick area of equipment shearing differential thick plate to be sheared, cooperate transmission part to make disc cutting group obtain relatively lower speed, disc cutting group speed reduces, to adapt to the requirement of large shear force, relatively lower linear velocity needed by thick area shearing, guarantee shearing completely and smoothly, when the thin area of equipment shearing differential thick plate to be sheared, cooperate transmission part to make disc cutting group obtain relatively higher speed when shearing thin area, match the higher linear velocity needed by sheet shearing, optimize shearing quality, realize high speed, self-adapting, high quality finishing to periodic variable thickness differential thick plate.

The application relates to a glass substrate inserting device, and belongs to the technical field of glass substrate production and manufacturing. The device solves the problem of thin plate damage by vertical insertion, adopts a support frame to bear multiple layers of glass substrates, and is provided with clamping assemblies on the left and right sides, the clamping plates are driven by torsional springs to realize self-adaptive clamping, and the damage caused by the shearing force of horizontal insertion is avoided; in addition, the top and bottom of the frame are respectively provided with buffer rubber strips to absorb vertical impact, and front and rear baffles provide physical protection; wherein, flexible contact parts are additionally arranged on the clamping contact surfaces to disperse the clamping stress. The application can solve the problem of fragility of the glass substrate thin plate, is compatible with substrates with different thicknesses, and realizes efficient and lossless insertion.

The present application relates to the technical field of welding, and provides a combined spot welding method and system for differential-thickness plates, which comprises the following steps: selecting at least two plate materials with thickness difference, forming a conductive silver-based layer on one side of the plate material with the thinnest thickness, and sequentially attaching the remaining plate materials to the other side of the plate material with the thinnest thickness. A backing plate is attached to the outer surface of the conductive silver-based layer. First and second electrode rods with different diameters are selected, and the first and second electrode rods are respectively placed on the outer side of the backing plate and the outer side of the remaining plate materials, and the at least two plate materials are welded through the first and second electrode rods. The penetration rate of the thin plate side is increased from 20% to 50%, greatly improving the penetration rate, making the welding between the plate materials more stable, and improving the product quality.

This invention discloses a welding auxiliary device and welding method for thin-plate welded parts, relating to the field of parts processing technology. It includes an upper plate and a lower plate positioned below the upper plate, connected by an adjusting assembly. The upper plate has a processing opening, with symmetrically arranged slide rails on both sides of the opening. Sliding blocks are slidably connected to the slide rails, and welding mechanisms are mounted on the sliding blocks. Two sets of elastic components are symmetrically arranged on the lower surface of the upper plate, respectively positioned on both sides of the processing opening. A clamping assembly is positioned below the elastic components, and a cooling assembly is also provided on the lower surface of the lower plate. This invention, employing the aforementioned welding auxiliary device and welding method for thin-plate welded parts, preheats the welding material through the heating mechanism of the clamping assembly, effectively eliminating thermal stress caused by large temperature gradients during welding. Simultaneously, the reverse force provided by the spring ensures the stability of the workpiece during welding, effectively preventing deformation caused by localized stress.

This invention discloses a method for improving the rolling stability of thin-gauge strips in a continuous casting and rolling production line. The method includes a thin slab rolling mill; adjusting the mill rigidity; adjusting the thickness of the intermediate strip slab; installing a width measuring instrument at the exit of the fan-shaped section of the slab; continuously comparing the measured value with the actual value; replacing the actual measured value with a preset width value when the deviation obtained from the comparison does not meet the constraint conditions; reducing the downward pressure of the roughing mill to a preset percentage of the original downward pressure; adjusting the looper tension to a preset value; and after the strip is threaded at the tail end, the mill accelerates in segments according to a preset strategy with delay time intervals based on a delayed acceleration command. This effectively reduces the occurrence of issues such as strip deviation, steel accumulation, poor coil shape, tailing, and rolling damage during the production of thin-gauge strips.

A spot welding fixture for welding the outer side of the transition section rear seal of a gas turbine is disclosed, relating to the field of welding technology for the transition section rear seal of a gas turbine. This invention addresses the problem that existing welding processes easily cause severe workpiece deformation when welding irregularly shaped thin plates on the outer side of the transition section, failing to meet product drawings and assembly requirements. The fixture includes a positioning base plate, an arc-shaped pressure plate, a side positioning plate, and an irregularly shaped thin plate. The arc-shaped pressure plate is detachably fixed to the upper end face of the positioning base plate, and the side positioning plate is detachably fixed to the side end face of the positioning base plate. The positioning base plate, arc-shaped pressure plate, and side positioning plate are all arc-shaped. Several first welding holes are provided on the positioning base plate, and several second welding holes are provided on the arc-shaped pressure plate. The first and second welding holes correspond one-to-one. This invention is used for welding irregularly shaped thin plates for the transition section rear seal of a gas turbine.

The utility model discloses a planet carrier mould belongs to mould manufacturing technical field, this novel planet carrier mould, including the upper mould plate, the top of upper mould plate is provided with module assembly, the bottom of upper mould plate is installed with upper mould, the bottom of upper mould plate is installed with lower mould plate, the top of lower mould plate is installed with lower mould, between upper mould and lower mould is installed with a plurality of first module and second module respectively, between every two first module is seted up with first core, between every two second module is seted up with second core. The utility model discloses through with mould is divided to two mould plates on, two mould plates all adopt multilayer thin plate plywood and are formed, and each layer thin plate fiber direction is staggered, can bear the pressure, impact force and other external force in the mould use process, reduces mould damage risk, and four edges of two mould plates all adopt angle iron package, and the corner is welded, guarantees that mould whole structure is complete, prolongs mould service life.

This invention relates to a control device and method for spot welding of thin plates based on rigid fixation and multi-point heat dissipation, and pertains to the technical field of auxiliary equipment for welding. The steel plate adsorption mechanism has two adsorption ends, and an angle control mechanism is installed on the rotating end of the steel plate adsorption mechanism, located between the two adsorption ends. Two housings are threadedly connected to a screw, and each housing has a connecting groove. A transmission plate is slidably connected within the connecting groove, and a telescopic airbag is installed between the transmission plate and the upper wall of the connecting groove. Both sides of the transmission plate are connected to a pressing frame. The thin plate spot welding control device and method of this invention, based on rigid fixation and multi-point heat dissipation, adsorbs two steel plates to be welded through the two adsorption ends of the steel plate adsorption mechanism, and adjusts the angle between the two steel plates through the angle control mechanism. During the angle adjustment process, the weld width between the two steel plates is also adjusted through the steel plate adsorption mechanism.

This invention discloses a tin-phosphorus bronze / Q235B composite thin plate and its preparation method, belonging to the field of metal material forming. The method employs an optimized process route of "explosive bonding—stepped annealing—hot rolling—cold rolling." Explosive welding is used to metallurgically bond tin-phosphorus bronze plates with Q235B steel plates to obtain a composite thick plate. This is followed by stepped annealing heat treatment, preheating, and hot rolling, and finally cold rolling to obtain the composite thin plate. This method overcomes the limitations of single-component technologies, featuring high efficiency, stability, and low production cost, and can produce composite thin plates with excellent performance. The prepared tin-phosphorus bronze / Q235B composite thin plate has a room temperature yield strength of 580~640MPa, a tensile strength of 660~700MPa, and an elongation after fracture of 5%~6.5%.

This application provides a welding fixture and welding system for thin-plate components, belonging to the field of welding technology. The welding fixture for thin-plate components includes a fixture base and a cover plate assembly. A heating element is disposed within the fixture base, which supports the thin-plate component. The cover plate assembly presses the thin-plate component onto the fixture base. The welding fixture for thin-plate components provided in this application can maintain the flatness of the thin-plate component while reducing the influence of temperature gradient during welding, lowering the risk of thermal deformation, and improving welding quality.

A method for producing a resistance-welded member made of three or more sheets including a plated steel sheet includes: a main energizing by performing energization with a first current value while compressing the steel sheet with a first compressive force to form a nugget; a subsequent energizing by performing, after the main energizing, energization such that the current value gradually decreases from the first current value while compressing with a second compressive force greater than the first compressive force; and holding an electrode while maintaining the second compressive force after the subsequent energizing. The second compressive force and a total sheet thickness, compression rise delay time, and a downslope time and an electrode holding time satisfy respective predetermined conditions.

This invention discloses a wide strip of non-oriented silicon steel and its preparation method. The preparation method includes: preparing a single-layer cold-rolled coil with a width of 800-1300 mm and a thickness of 0.20-0.50 mm by steelmaking, billet casting, hot rolling, pickling, and cold rolling; stacking two single-layer cold-rolled coils of the same thickness and width, separating them by a high-temperature resistant insulating coating to form a laminate; the difference in Si content, Al content, and Mn content between the two single-layer cold-rolled coils does not exceed 0.20%, and the difference in P content does not exceed 0.02%; rolling the laminate on a single-stand rolling mill for 2-3 passes with a total reduction rate of 30%-50% to obtain a double-layer cold-rolled coil with a total thickness of 0.20-0.50 mm; and subjecting the obtained double-layer cold-rolled coil to continuous annealing, coating, and finishing to obtain the finished non-oriented silicon steel product.

This invention discloses a shearing mechanism for a shearing machine, belonging to the technical field of shearing machines. It includes a shearing cabinet and a pressure cylinder mounted at the inlet of the shearing cabinet. A shearing unit is installed on one side of the shearing cabinet's inner cavity. The shearing unit includes a gap adjustment component slidably installed within the shearing cabinet, and a moving blade is mounted within the gap adjustment component via a mounting bracket. Through the shearing unit and the back gauge unit, the bending deformation of the steel strip during shearing is suppressed. The upper positioning component moves downward in real time following the moving blade, applying dynamic clamping force to the sheet metal in the shearing area. This, combined with the pressure cylinder fixing the front end of the sheet metal, effectively counteracts the local stress concentration caused by uneven shearing force from the oblique blade, preventing bending of thin plates during shearing. Simultaneously, horizontal stability is achieved during the shearing process. The support component is kept horizontal by the oblique rod of the back gauge unit and moves downward synchronously with the moving blade, ensuring the sheet metal in the shearing area remains horizontal throughout, reducing warping caused by the oblique shearing force.

The utility model belongs to PCB board production technical field, and disclose a kind of adjustable placing transfer carrier for improving thin plate after etching, including support frame and the L-shaped support plate of installation in support frame inboard, the top left side of support plate is equipped with support platform, and the top of support platform is separately structured with the groove one and the groove two, and the top between the groove two and support plate supports the transfer frame for supporting PCB thin plate, L-shaped inclined bracing frame of support in the right side of transfer frame is provided in the top right side of support plate, and the front and rear end of inclined bracing frame is equipped with pivot, the top of support plate is symmetrically connected with two connecting pieces, and pivot is movably inserted in the middle part of corresponding connecting piece;Through the above scheme, the quality problem of bending, deformation, plate damage caused by the gravity of the existing carrier when transferring PCB thin plate is often stored in vertical mode, plate piece is solved.