210 results about "Slag (welding)" patented technology

This application relates to the field of LNG cryogenic pressure vessel welding technology, specifically disclosing a multi-level collaborative control method for magnetic blow in 7Ni steel welding based on a quantified remanent magnetization threshold. Addressing the problems of severe magnetic blow and poor all-position welding stability caused by the high permeability, high coercivity, and difficulty in demagnetizing 7Ni steel, the method uses a remanent magnetization threshold of ≤50Gs to construct a collaborative control system encompassing pre-welding quantitative management, welding polarity and ground wire optimization, welding parameter and sequence constraints, real-time monitoring and automatic demagnetization closed-loop during welding, and post-weld quality verification. This application can effectively suppress all-position magnetic blow, avoiding defects such as arc deviation, incomplete penetration, slag inclusion, and porosity; achieving a first-pass yield of ≥97.5% for the main weld of the LNG storage tank, with a joint impact energy of ≥80J at -196℃ and a hardness of ≤300HV10, meeting cryogenic service specifications and applicable to the industrial welding production of large 7Ni steel LNG storage tanks.

This invention relates to the field of assisted welding, and discloses a welding fixture for a single frame piece of a V-type air-cooled diesel engine and its process. The fixture includes a base and a controller. The base has a horizontal support surface for supporting the single frame piece, and a positioning block that engages with the inclined surface of the single frame piece is provided on the horizontal support surface. An adjustment mechanism is provided on the horizontal support surface for adjusting its posture. The adjustment mechanism includes: a clamping assembly, disposed on the horizontal support surface, for clamping and fixing the single frame piece; a lifting assembly that allows the horizontal support surface to rise relative to the upper surface of the base and to deflect along the horizontal support surface; and a driving assembly that drives the horizontal support surface to deflect during welding, thereby changing its posture. This invention achieves posture adjustment of the single frame piece during the welding process through the adjustment mechanism, thereby fully exposing the welding interface, improving welding quality, and allowing for staged cleaning of welding slag.

The utility model discloses a kind of wind knife anti-splashing devices for rotary cutter processing, including cladding machine body and the machine head of being installed on the surface of cladding machine body, the bottom surface of the machine head is equipped with laser cladding head;The side of the machine head close to laser cladding head is connected with vertical board, the bottom end of the vertical board is connected with horizontal plate, and one end of the horizontal plate is threadedly connected with locking bolt.The utility model passes through using cladding machine body to the process of rotary cutter cladding processing, simultaneously by bracket is installed on the horizontal plate surface of laser cladding head side, gas plate is installed stable at this time, simultaneously compressed air nozzle is communicated compressed air pump and carries out gas supply, compressed gas enters from air inlet and flows out from air outlet at this time, compressed gas is gathered in gas groove and forms airflow spouts from blowing groove at this time, so that the welding slag and flue gas generated when rotary cutter cladding processing are blown away conveniently, the interference caused by welding slag and flue gas to laser cladding head is avoided, and the effect of cladding machine body to rotary cutter processing is guaranteed.

1. Name of the product in this design: Protective tape cover. 2. Purpose of this design: For use as a protective tape cover. This protective tape cover is suitable for application to surfaces such as flanges to protect them from external impacts such as sandblasting and welding slag. While preventing moisture penetration, it also ensures breathability and removability through ventilation grooves on the adhesive backing, reducing condensation and delaying rusting of the flange surface. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The application discloses a laser cladding device for repairing a rolling mill furnace roller bearing seat and belongs to the technical field of laser cladding. The device comprises a bottom plate, a rotating platform and a multi-axis laser cladding module are arranged on the bottom plate, symmetrical fixing frames are fixedly connected to the bottom plate, a sliding frame is slidably connected to the symmetrical fixing frames, threaded shafts are rotatably connected between the symmetrical fixing frames and the bottom plate, the symmetrical threaded shafts are in threaded connection with the sliding frame, the sliding frame is rotatably connected with a shielding cylinder, and the shielding cylinder is provided with an opening for exposing the bearing seat repair position. The opening of the shielding cylinder exposes the local repair area of the bearing seat, realizes wide-range physical isolation of the non-repair inner wall, reduces the area of the cladding welding slag splashing and adhesion, further reduces the range of additional polishing of the non-repair area in the subsequent process, and improves the cladding repair effect of the bearing seat.

This invention relates to the field of welding equipment technology and provides a welding device for irregularly shaped steel pipes. The device includes a base, a fixed frame mounted on the top of the base, a high-frequency motor mounted on one side of the fixed frame, and a stroke electric cylinder mounted on the other side of the fixed frame via a movable plate. A welding head is mounted on the output end of the stroke electric cylinder, a placement platform is provided at the bottom of the welding head, a cleaning motor is mounted on the placement platform, and a grinding wheel is mounted on the cleaning motor. Guide rails are fixedly connected to both sides of the top of the base near the placement platform, and a moving block is slidably connected to the guide rails. The output end of a moving electric cylinder is fixedly connected to one side of the moving block, and the cylinder body of the moving electric cylinder is mounted on one end of the guide rail. A fixed plate is fixedly connected to the top of the moving block, and a turntable is detachably connected to the top of the fixed plate. A slide rail is fixedly connected to the top of the turntable, and a clamping mechanism is mounted on the slide rail. Thus, this invention allows for the detachable connection between the turntable and the fixed plate, thereby adjusting the angle of the irregularly shaped pipe in the horizontal direction, and the grinding wheel achieves the grinding of welding slag.

The adjustable slag collecting device is modular in design and mainly consists of a slag collecting device and a support assembly. The slag collecting device includes a slag collecting barrel and a fixed support. The collecting barrel is made of high-temperature resistant metal material. The support assembly includes a movable support, a bolt and a fixed bolt. The support assembly can be quickly positioned and adjusted in height according to the use requirements, has the characteristics of quick installation, multi-stage adjustment and safety protection, and is suitable for vertical welding operations in building steel structures, power facilities and industrial pipeline construction. Through the synergistic effect of the mechanical adjusting support and the yellow sand buffer layer, the device effectively solves the problems of insufficient adaptability, poor fireproof performance and secondary spatter of welding slag in the traditional protection mode in the dynamic welding environment, can significantly reduce the equipment damage and fire risk caused by the falling of high-temperature welding slag, and improves the safety and efficiency of welding operation.

The application discloses a prefabricated stair and a construction method thereof, and relates to the technical field of fabricated building construction. The first connecting mechanism is anchored in the installation groove on the ladder surface and extends to the side to form a welding position. The welding operation surface is shifted from the narrow end face of the ladder section plate in the traditional process to the side open area of the ladder section plate, avoiding quality defects such as incomplete fusion of the weld and slag inclusion caused by limited operation space, and ensuring the directness and stability of the stress transmission path. The installation groove is distributed on the same side along the length direction of the ladder body, so that only one side alignment needs to be concerned during hoisting and positioning, the difficulty of installation and positioning is reduced, the labor intensity of repeated adjustment is reduced, and the construction efficiency is improved. The risk of ladder section knocking or disconnection in the traditional sliding connection is avoided, and the reliability of the connection node and the safety of the structure as a whole are ensured.

The utility model relates to pipeline processing technical field, the utility model provides a kind of welding machine for facilitating pipeline assembly processing, it includes workbench;The workbench top is equipped with docking assembly;The workbench is equipped with fixed assembly by docking assembly;The workbench top is equipped with heating assembly;The lateral wall of workbench is equipped with slag scraping assembly;The workbench bottom is equipped with supporting assembly;The workbench bottom is equipped with moving assembly;The docking assembly includes base, fixed cylinder and first hydraulic rod;The base is slidably connected at the workbench top;Through the above structure, the setting that docking assembly drives the pipeline to be welded to dock, constitute pipeline assembly welding structure, realize the function that two sections of pipeline are driven to approach each other and dock when hot melting docking two sections of pipeline, solve the problem that pipeline docking appears stress uniformity when manually docking pipeline, improve the quality of pipeline welding.

This invention discloses a disc-type tube drawing machine for heat dissipation tube processing, relating to the field of heat dissipation tube processing. It primarily addresses the technical problems of lacking online real-time detection in key processes of heat dissipation tube processing, leading to untimely detection of abnormal conditions, high defect rates, significant raw material waste, and low production efficiency. Specifically, it adds two independent dynamic annular diameter detection components between the bending and welding sections and after the diameter maintenance section. A wedge-type displacement conversion structure is used to convert radial dimension changes of the tube into axial displacement. Displacement sensors detect the tube's curvature and annular diameter in real time. Simultaneously, a disc-type multi-roller progressive bending structure improves welding accuracy, circumferential cutting removes weld slag, and multiple diameter maintenance passes ensure dimensional consistency. This constructs a complete "processing-detection-feedback" closed-loop production system, improving product qualification rate, production continuity, and equipment versatility. It is suitable for the automated processing of various types of heat dissipation tubes.

The utility model relates to a multifunctional dust suppression vehicle screw rod air compressor oil circuit filtering device belongs to the technical field of automobile parts, technical scheme is: full thread strip (2) is fixed perpendicularly on filter core base (1), and full thread strip (2) is equipped with alternately arranged strong magnetic sheet (4) and nylon gasket (5), one end of filter core casing (3) is equipped with oil inlet joint (7), and the other end of filter core casing (3) is equipped with oil outlet joint (11) and circular flange (10), and filter core base (1) and circular flange (10) are connected together through base fixing bolt (9), and full thread strip (2), strong magnetic sheet (4) and nylon gasket (5) in filter core are located in filter core casing (3), and base sealing washer (8) is equipped between filter core base (1) and circular flange (10). The utility model has the advantages of: can adsorb the iron cutting and welding slag existing in the oil circuit, avoids the iron cutting to enter the inside of air compressor.

The utility model relates to the field of grounding wire, concretely to a contact net pre -buried channel flexible grounding bow -shaped grounding wire structure, including steel wire rope, bow -shaped end and L -shaped end, the bow -shaped end and L -shaped end are detachable respectively connected in the both ends of steel wire rope, the bow -shaped end and L -shaped end are opposite respectively with steel wire rope rotation, the steel wire rope is flexible steel wire rope, the welding surface of bow -shaped end and L -shaped end is connected with pre -buried channel and contact net welding respectively, the bow -shaped end includes bow -shaped welding section and bow -shaped bolt section, the bow -shaped welding section is connected with pre -buried channel welding, the bow -shaped bolt section is detachable with steel wire rope connects, the utility model can make contact net and pre -buried channel grounding installation more convenient, avoid simultaneously two lining trolley to rise top after grounding welding welding slag burn or damage two lining trolley on already brushed good release agent.

This invention provides a method for the synergistic resource utilization of zinc-aluminum alloy welding slag and hot-dip galvanizing waste hydrochloric acid. The synergistic resource utilization method includes the following steps: (1) mixing zinc-aluminum alloy welding slag and hot-dip galvanizing waste hydrochloric acid, and performing dissolution and neutralization treatment to obtain a first treatment liquid; (2) extracting the first treatment liquid to obtain an extract and a raffinate; (3) back-extracting the extract to obtain a mixture of zinc chloride and ammonium chloride; and then performing evaporation and crystallization treatment to obtain zinc ammonium chloride; and finally, aging the raffinate to obtain polyaluminum ferric chloride. The synergistic resource utilization method of this invention is simple to operate, has low processing costs, and realizes the synergistic treatment of industrial waste zinc-aluminum alloy welding slag and hot-dip galvanizing waste hydrochloric acid, which has good economic and environmental benefits and is suitable for large-scale promotion and application.

The present application relates to the technical field of metallurgy and welding of metal materials, and particularly relates to a preparation process of a rare earth functional micro-alloyed CLF-1 low-activation martensite / ferrite fusion reactor material engineering. The present application discloses a preparation process of a rare earth functional micro-alloyed CLF-1 low-activation martensite / ferrite fusion reactor material engineering, which comprises the following steps: rare earth composite particles are prepared by using a planetary roller, the rare earth is released under the protection of slag in a lower layer of a vacuum induction melting pool by deep feeding, a vacuum consumable first melting is performed to reduce current and embed a rare earth core, secondary homogenization is completed, normalizing-tempering drives the in-situ precipitation of nanophase of the rare earth and tantalum / vanadium, the remaining composite particles are dry filled into a welding wire coating, the whole is tempered after layer temperature welding, and a closed loop is formed. The process does not need to modify the existing equipment, and can improve the rare earth yield, refine inclusions, strengthen high-temperature performance and maintain the performance of low-activation of the welding seam, thereby providing a replicable low-cost manufacturing scheme for the fusion reactor blanket module.

This invention provides an automated laser welding device for mechanical parts, belonging to the field of laser welding. It includes: a base, a support frame fixedly connected to the upper surface of the base, a processing shell mounted on the support frame, a protective component, a purification component, and a cleaning component mounted on the processing shell, a welding device body mounted on the processing shell, and a processing table fixedly connected to the upper surface of the support frame. After processing, a cleaning broom and a first scraper automatically clean the surfaces of the support frame and processing table, quickly removing large particles such as metal shavings and welding slag, preventing them from scratching precision parts or affecting subsequent welding. This reduces the workload of workers, improves cleaning efficiency, and during processing, the use of easily installed and disassembled activated carbon plates purifies the fumes, protecting personnel health and extending equipment life.

The utility model relates to the technical field of condenser discloses a water chilling unit condenser visible inspection end cover, including the cover body of layout in the condenser end, is equipped with the observation port for observing the inside of condenser on the cover body, is equipped with the sight glass made of toughened glass on the observation port, and the sight glass is connected with the cover body through the flange, and forms sealed closure to the observation port. Through being equipped with the observation port on the cover body, being equipped with the sight glass on the observation port, whether the welding slag, foreign matter in the condenser after the installation is checked, and the structure situation of water chilling unit condenser in normal operation, the scale removal situation and water quality condition etc. during chemical cleaning are observed, to avoid the damage of water chilling unit.

The application discloses to the technical field of welding equipment, and concretely is a welding device with residue collecting structure, which comprises a base, a horizontal slide rail seat and a longitudinal adjusting seat are fixedly installed on the top of the base, a welding execution mechanism is slidably installed on the top of the horizontal slide rail seat, and a workpiece clamping table is fixedly installed on the movable end of the longitudinal adjusting seat; a cleaning wheel and a grinding wheel are sequentially arranged along the feeding and discharging direction of the workpiece, the cleaning wheel is used for cleaning impurities on the welding position in the feeding stage, the welding quality is guaranteed, the grinding wheel is used for grinding welding slag and protrusions in the discharging stage, the flatness of the workpiece is improved, integrated operation is realized, the process time is shortened, the production efficiency is improved, the height self-adapting adjustment of the cleaning wheel and the grinding wheel is realized through cooperation of a height self-adapting assembly and a limiting piece inclined surface, different specifications of workpieces are adapted, in addition, a single driving force is decomposed into two independent driving forces by relying on a power tapping assembly, and the two wheels are alternately operated by cooperating with a clutch transmission assembly, so that power waste is avoided.

The utility model belongs to welding slag removal device technical field, concretely relates to a welding slag removal device for wire coil, and the novel model includes: support frame, its top is equipped with rotating component and polishing assembly, wherein polishing assembly is located in one side of rotating component, rotating component includes: carousel and first drive spare for driving carousel rotation, polishing assembly includes: telescopic part and polishing machine connected with telescopic part, fixed tool is set up on carousel and is used for fixing wire coil accessory, this welding slag removal device for wire coil drives fixed tool and wire coil accessory to rotate to the below of polishing machine when carousel is rotating, and telescopic part retracts and drives polishing machine to go down, so that polishing machine grinds the welding position, thereby reaches the effect that improves production efficiency, significantly improves the removal speed of wire coil welding slag, satisfies the demand of large -scale production and reduces the labour intensity of worker and improves the effect of security.

The application discloses a preparation method of an antioxidant lead-free tin-based solder alloy for high temperature, and belongs to the technical field of solder alloy production processes. When the solder alloy is prepared by the method, elements in raw materials include the following in percentage by mass: 88-95% of Sn, 1-4% of Ag, 0.5-3% of Bi, 0.1-1% of Y, 0.05-0.2% of Hf, and the balance is inevitable impurities. The preparation method of the solder alloy is as follows: after metal raw materials are pickled and dried, Sn is first smelted and kept warm under inert gas protection, then Ag and Bi are added, stirring and heating, Y and Hf are further added and ultrasonic smelting is conducted; after a deoxidizing agent is added and reacts, the solder alloy is placed and slag is removed; three-stage refining is conducted through plasma atomization, high-low frequency ultrasonic treatment and a pulse ultrasonic conversion system; finally, the solder alloy is cooled, sieved and annealed to obtain the solder alloy. The application combines plasma technology, gas atomization and ultrasonic technology, realizes preparation of a tin-based solder alloy with uniform composition, high oxidation resistance and excellent mechanical properties, and meets the needs of the electronic welding field under high temperature environment.

The application relates to the field of square steel submerged-arc welding, and discloses a gantry submerged-arc welding machine for square steel machining, which comprises a gantry, a submerged-arc welding assembly, a stripping and cleaning assembly, a recovery cabin, a recovery assembly, a recovery box and a crushing assembly. The stripping and cleaning assembly strips long strip-shaped welding slag from a weld joint, sweeps and cleans residual scrap slag around the weld joint, and pushes the long strip-shaped welding slag and the scrap slag to the top edge of a U-shaped steel plate so that the long strip-shaped welding slag and the scrap slag fall down. The recovery assembly receives the falling long strip-shaped welding slag and scrap slag and makes the long strip-shaped welding slag and the scrap slag slide into the recovery cabin. The crushing assembly extrudes and crushes the long strip-shaped welding slag and the scrap slag, and discharges the crushed scrap into the recovery box. In the application, the long strip-shaped welding slag protruding from the surface of the weld joint is first stripped by the stripping and cleaning assembly, and the scrap adhering to the recessed part of the weld joint is removed. Then, the long strip-shaped welding slag and the scrap after cleaning are recovered, and extrusion and volume reduction and crushing and volume reduction are completed by the crushing assembly. Finally, the crushed scrap is neatly stored, and the overall welding slag treatment efficiency is improved.

This invention relates to the field of welding materials technology, and more particularly to a low-slag, copper-free, gas-shielded solid welding wire and its preparation method. Molten iron and scrap steel are mixed and subjected to primary refining. After tapping, coke-silicon-manganese alloy is added for deoxidation and alloying. Under argon stirring, zirconium iron and iron-titanium are added to the resulting primary molten steel for alloying, followed by refining and vacuum degassing to obtain welding wire molten steel with the target chemical composition. This is then continuously cast, with iron powder added during the casting process, ultimately casting a welding wire billet. The welding wire billet is then rolled, peeled, and drawn to obtain a gas-shielded solid welding wire. In this invention, high-purity iron powder is fed into the continuous casting stage to provide active oxygen, allowing Ti and Zr to naturally generate nano-sized oxides with the active oxygen during the solidification of the molten steel, exerting the metallurgical fine-grain strengthening effect of oxides. Combined with low-silicon composite deoxidation and copper-free self-passivation treatment, this achieves slag-free, environmentally friendly, high-strength, high-toughness, and high-heat-induction stable welding of the welding wire.

The utility model discloses a kind of sinking type PCBA circuit board carrier devices of avoiding wave-soldering conveying chain to be attached tin, including carrier, be equipped with soldering tin furnace below the carrier, be equipped with conveying device in the soldering tin furnace top, the carrier left and right sides, the conveying device includes chain, connecting frame, recess is equipped on the connecting frame, the carrier left and right sides are equipped with support shaft, the support shaft is matched with the recess.The utility model has the beneficial effect that: carrier is sinking type design, avoids wave-soldering machine chain contact welding furnace welding surface, PCBA can keep stable, reduce the generation of tin slag, improve the first pass rate of welding, to reduce production cost, improve welding quality, avoid soldering waste, it is both economic and environmental protection.

The application discloses a whole-segment steel box girder sliding on-ship-lifting integrated construction method without floating crane intervention, a whole-segment steel box girder assembling and sliding platform is arranged on the land area of the bank side of a bridge to be built, and two groups of sliding tracks are arranged in parallel on the assembling and sliding platform; a deck barge with an adaptive tonnage is selected, and ship-borne sliding tracks with the same specification and spacing as the sliding tracks on the bank side are arranged on the deck of the barge; the application greatly reduces the approach and operation of large lifting equipment, reduces fuel consumption and carbon emission of mechanical equipment, shifts the main construction operation to the land area to reduce the water operation time, effectively avoids water pollution caused by construction sewage, welding slag, waste and the like entering a river, dust and noise in land operation can be effectively controlled through conventional protection measures, the influence of construction operation on surrounding residential areas, crops and ecological environment is greatly reduced, and the application meets the relevant requirements of green construction and ecological environment protection.

The utility model relates to battery technical field discloses a kind of cover plate assembly and battery, cover plate assembly includes: first insulating part, first insulating part includes bottom wall and at least one side wall, side wall is formed into along the direction perpendicular to the plane where bottom wall is, side wall is formed with at least one combination part;Glue layer, at least part of into combination part, or combination part into glue layer;Combination part is suitable for preventing glue layer from moving away from bottom wall in the direction perpendicular to the plane where bottom wall is.The cover plate assembly provided by the utility model makes glue layer and combination part form structural cooperation, stably fixes glue layer on cover plate assembly, that is, play the role of fixed welding slag, while can avoid the situation that protective glue after solidification can fall in severe cold area, guarantee the durability of glue layer, improve safety performance, reduce potential safety hazard.

This utility model proposes a dust removal mechanism for turret-flying welding of cylindrical batteries, comprising: a housing, a first air duct, and a dust extraction window. The housing is movably disposed on one side of the turret-flying welding station, and the interior of the housing is hollow. Hollow windows are provided on both vertical sides of the housing to provide clearance for laser welding. The first air duct is located on the housing, and its outlet is parallel to the turret-flying welding station. The dust extraction window is located on the housing and is opposite to the first air duct. The first air duct blows horizontally, sending welding slag into the dust extraction window. This mechanism can be used in conjunction with turret-flying welding and can provide a greater flow rate and negative pressure effect, effectively removing welding slag and welding fumes, reducing the contamination of the battery by welding slag and fumes, improving the battery's cleanliness and electrical performance, thereby extending the battery's lifespan.

This utility model provides a filtration device for a laminator, relating to the field of laminator filtration technology. It aims to solve the problems of poor filtration efficiency in existing vacuum pumps that use conventional paper filter elements to filter the gas generated during vacuuming. This allows impurities such as welding slag and iron filings to penetrate the filter element and enter the vacuum pump cavity, affecting normal operation. Furthermore, the accumulation of impurities and dust necessitates frequent inspection, maintenance, and upkeep of the vacuum pump and filter, increasing maintenance costs. The proposed device includes a vacuum pump system with a laminator vacuum valve installed on its left side. A filter tank system is installed between the vacuum pump system and the laminator vacuum valve. The tank serves as a pre-vacuum tank to pre-vacuum the cavity. A bypass design is used; after pre-vacuuming, the filter tank's function is disabled, and the pump directly evacuates the cavity, reducing pump load, effectively improving equipment evacuation efficiency, reducing vacuum pump filter consumption, and minimizing pump maintenance.

The utility model provides a kind of spot welding robot with anti-splashing protection, comprising: base, mobile mechanism is provided on base, mobile mechanism is provided with stretch arm, stretch arm is provided with the protection mechanism for reducing welding splashing, stretch arm is further provided with welding gun, compared with prior art, the utility model has the beneficial effects as follows: by setting mobile mechanism, robot can adjust position, adapt to the welding demand of different workpieces, especially suitable for automobile large-scale welding operation, improve the working range of equipment and high flexibility, by setting protection mechanism, by gas jet nozzle, protection gas (such as CO2 or Ar-CO2 mixed gas) is sprayed to welding area, protection gas covers welding area, reduces the contact of metal molten pool and air, avoids the splashing and welding slag caused by oxidation reaction, and the gas flowing fast plays the cooling effect to the welding point peripheral area, reduces the splashing tendency of heat-affected zone metal.