63results about How to "Does not affect welding quality" patented technology

The invention relates to a welding process of a boss of a hydrogenation reactor. A port in one end of a cylindrical shell section is processed flatly after coiling, circle checking and flaw detection of the cylindrical shell section are qualified; and then a surfacing position of the boss is marked, and thus the trouble that a cylinder body is firstly leveled and then overturned for surfacing the boss when the boss is surfaced is avoided, the leveling procedure during processing of the boss is avoided, therefore the production time is saved, the levelness of the boss is ensured, and the purpose of ensuring the welding quality of the boss is achieved.

The invention aims to provide an automatic welding device for a vehicle console installing support. The automatic welding device comprises a workbench I, a workbench II, pipe clamping devices, fixtures and a welding robot. The workbench I and the workbench II are arranged oppositely in parallel. The workbench I and the workbench II are respectively provided with the pipe clamping devices and the fixtures. The pipe clamping devices and the fixtures on the workbench I and the pipe clamping devices and the fixtures on the workbench II are in mirror distribution correspondingly. The welding robot is arranged between the workbench I and the workbench II and can rotate 360 degrees. A welding gun arranged on the welding robot can cover welding points of parts corresponding to all the fixtures on the workbench I and the workbench II. The invention further provides an automatic welding method for the vehicle console installing support. The automatic welding device and method have the advantages that welding efficiency is high, welding quality is stable, and production cost is low.

The invention discloses a heat insulation and corrosion prevention coating. The heat insulation and corrosion prevention coating comprises the following components in percentage by mass: 35-45% of epoxy-modified organic silicon resin, 6-8% of hollow microspheres, 12-18% of composite flame retardant, 14-18% of hydrotalcite, 10-12% of titanium dioxide, 2-5% of toughener, 1-3% of defoamer and 3-5% of drier. The invention further discloses a preparation method of the heat insulation and corrosion prevention coating. The product disclosed by the invention has excellent weather resistance, aging resistance, radiation resistance, wear resistance, impact resistance, resistance to high temperature and low temperature, stable electric conductivity and strong adhesion; the resistivity can meet the anti-static requirements and further ensure the long service life of the coating; simultaneously, the product is efficient, convenient and simple to construct, and can really realize self-curing of the inorganic coating at normal temperature and realize excellent resistance to salt fog and aging resistance; the coating has self-repair property, local scratches caused by external force can be still protected, the coating can not be damaged by cutting or welding, and the welding quality is not affected by welding with the coating.

The invention relates to a method for welding a non-coating stainless steel plate in a laser mode. An upper layer panel and a lower layer panel are stacked up, a layer of protecting film is arranged on the exposed surface of the lower layer panel, and the upper layer panel and the lower layer panel are connected by enabling a laser welding light beam to penetrate through the protecting film to reach a certain depth of the lower layer panel. On the premise that the assembling precision meets the laser welding requirements, the welding technology methods are selected in the aspects of controlling the appearance quality and guaranteeing the connector connecting strength according to the product requirements for a railway vehicle non-coating stainless steel vehicle body and the technology characteristics, and a certain welding width and a certain welding depth are controlled by controlling the welding technology parameters such as welding power and welding speed. The welding joint cannot be oxidized and the welding heat can be more centralized by adopting the special technologies of welding the exposed wall plate provided with the protecting film and placing an aluminum alloy base plate on the lower surface of a workpiece, the strength of the welding joint is guaranteed, the back face of the exposed welding joint cannot deform obviously, and the color of the back face of the exposed welding joint cannot change obviously.

The invention belongs to the field of the chemical industry and relates to anticorrosive paint and in particular relates to active and anticorrosive water-based paint and a preparation method thereof. The paint comprises the following components in parts by mass: 15-35 parts of epoxy resin, 20-40 parts of petroleum resin with solid content of 30%, 2-15 parts of silicon carbide, 0.5-8 parts of zinc naphthenate, 30-45 parts of organic active agent, 2-4 parts of water-based solvent and 1-3 parts of surfactant. The product has the beneficial effects that the product can be used under severe conditions, has long-acting anticorrosive property, has dry film thickness over 300mu m and has excellent weather resistance, aging resistance, radiation resistance, wear resistance and impact resistance and good thermal stability; the paint has strong adhesion and can undergo spray moulding on random curved surfaces, slopes and vertical surfaces, without sagging; the paint is efficient and convenient, a formula system can be randomly adjusted, and normal-temperature self-solidification of inorganic paint can be authentically realized; besides, a coating has self-repair property, can be still protected from local scratches caused by external forces and is free from cutting and welding damages; the quality of tape coating welding is not affected.

The invention discloses elastic anticorrosive paint which is prepared from the following components in percentage by weight: 6-12% of a flexibilizer, 30-45% of polysiloxane, 25-55% of packing, 5-8% of a crosslinking agent, 10-18% of a diluent, 5-10% of an auxiliary, 1-5% of sodium pyrophosphate, 1-3% of sodium tripolyphosphate and 2-4% of polyacrylate resin. The invention further discloses a preparation method of the elastic anticorrosive paint. A product disclosed by the invention is strong in adhesive force and the binding force of a coating and a matrix is strong; and the paint is efficient and convenient and simple to construct, and the inorganic paint is self-cured at normal temperature, so that the high-efficiency construction can be ensured and the paint has excellent salt mist resistance and aging resistance. The coating is self-repaired and local scratch caused by external forces still can be protected. The coating is free from cutting and welding damages and the welding quality is not affected with the coating.

The invention discloses an ultrasound-assisted vacuum electron beam welding method which is applied to magnesium and magnesium alloy and can solve the technical difficulty that magnesium, magnesium alloy and especially cast magnesium alloy generate pores, cold shut and other cavity-type defects in the vacuum electron beam welding process. During the vacuum electron beam welding process, the technology applies structure load ultrasound energy with certain frequency and amplitude of vibration, wherein the frequency of ultrasound is 20-50kHz and the amplitude of vibration is 5-40mum. By conducting continuous oscillation on a molten pool generated by vacuum electron beam welding and the nearby area to a certain extent, the method can effectively eliminate the pores, cold shut and other cavity-type defects in the welding process and obtain high-quality welding joints.

The invention provides a large-diameter pipeline welding device which comprises two placing tables, each placing table is provided with a placing groove used for placing a pipeline, a track plate is fixedly arranged between the placing tables, two telescopic track rods are movably arranged on the surface of the track plate, and the telescopic track rods are fixedly connected with a fixing box. A through hole allowing a pipeline to movably penetrate through is formed in the fixing box, the fixing box is fixedly connected with a plurality of inserting rods, inserting grooves allowing the inserting rods to be movably inserted are formed in one side of the fixing box, and a fixing plate used for fixing the pipeline and an air bag are arranged in the through hole. In the using process, a pipeline is firstly placed in a containing groove, a welded part of the pipeline is washed and dried, the center of the pipeline and the center of a through hole are located on the same horizontal plane by adjusting a telescopic rail rod, then the pipeline is fixed through a fixing plate and an air bag, and the two fixing boxes are fixed through inserting rods and buckle assemblies; and the pipeline can be moved at will during welding.

The invention relates to a welding method for a liquid injection hole of a lithium ion battery threaded pole. The manufacturing process comprises the step that fusion sealing welding is carried out on the liquid injection hole of a welded battery. The welding method is characterized in that the manufacturing process further comprises the step that before sealing welding, a ceramic ring is arranged on the threaded pole in a sleeving manner, and a closed weld pool is formed at the welding part of the liquid injection hole in the threaded pole in the circumferential direction. By means of the characteristics that ceramic is low in heat conductivity, and the ceramic and metal cannot be welded, the closed weld pool is formed at the welding part of the liquid injection hole in the threaded pole; when the liquid injection hole is welded, the ceramic ring effectively prevents liquid in the closed weld pool from flowing outwards, a thread on the battery pole is protected, and the phenomenon that the battery is scrapped due to the thread damage caused by seal welding is eliminated. Meanwhile, due to the fact that the ceramic is low in heat conductivity, the welding quality cannot be affected even when the heat of the welding weld pool is absorbed. The metal in the fusion state cannot be welded to the ceramic into a whole so that the consequence that the ceramic ring cannot be taken down after welding cannot happen, and the work efficiency of the welding of the liquid injection hole is improved.

The invention discloses a rust removal and prevention agent for metal surfaces. The rust removal and prevention agent is prepared from 20-30 parts of tartaric acid, 20-70 parts of ethyl formate, 50-150 parts of alkyd resin varnish, 60-200 parts of ethyl benzene, 20-70 parts of isoamyl alcohol and 1-7 parts of iron powder. Therefore, the rust removal and prevention agent not only has a metal rust protection function, but is also capable of welding with paint while not influencing the welding quality of a welding mouth; furthermore, the rust removal and prevention agent is lower in cost and long in service life.

The invention discloses a welding device for impeller machining for fan accessory machining. The welding device comprises a machining table, a machining groove is formed in the upper end of the machining table, a rotating column is rotationally connected to the bottom of the interior of the machining groove, a rotating table is fixed to the side wall of the rotating column, a threaded hole is formed in the top of the rotating column, and a positioning column is in threaded connection with the top of the rotating column; and a rack is fixed to the upper end of the machining table, a motor is fixed to the top of the rack, a rotating shaft is fixed to an output shaft of the motor, a push rod is fixed to the bottom of the rotating shaft, a pressing plate is fixed to an end of the push rod, and a protective sleeve is fixed to the inner top of the rack. The welding device has the advantages that the welding angle and the angle interval of two blades are obtained by accurately controlling the blades, so that the accuracy of blade welding machining is guaranteed, the product quality is improved, meanwhile, the labor intensity and difficulty of workers are reduced, and the overall machining efficiency is higher.

The invention discloses a welding spatter prevention agent. The welding spatter prevention agent comprises 25 parts of solvent naphtha, 5 parts of petroleum ether and 70 parts of oil-based materials per centum, wherein the base-based materials are lubricating oil, the above raw materials are subjected to high-temperature blending and stirring, and the agent is obtained. A preparing method of the welding spatter prevention agent comprises the five procedures of weighing, primary stirring, secondary stirring, filling and packaging. When the agent is used, a user directly sprays the agent to thesurface of a non-welding surface, due to the fact that the oil-based materials that is the lubricating oil are used as the main raw materials, the oil-based materials can effectively form an isolationfilm between welding slag and the object surface, adhesive power between the welding slag and the object surface can be reduced, and the welding slag is prevented from being bonded on the object surface. Convenience is brought to the welding work, labor intensity of a worker is reduced, work efficiency and product fineness can be improved, dust and noise pollution can be reduced, and on the basis, the agent has the good application prospect.

The invention discloses a welding flange device for producing automobile parts. The device comprise a bottom plate, wherein a welding robot is fixedly connected to the left side of the top of the bottom plate; a shell is fixedly connected to the right side of the top of the bottom plate; a sliding device is arranged at the bottom of the inner cavity of the shell; and a driving device is arranged at the left side of the inner cavity of the shell. According to the welding flange device, the bottom plate, the welding robot, the shell, the sliding device, the driving device, a stabilizing device,a baffle, a cylindrical rod, a bearing seat, a moving column, a moving plate and a pneumatic chuck are mutually matched, so that the advantages of good positioning effect, convenience in material taking and the like are achieved, and the problems of poor positioning effect and inconvenience in material taking of an existing welding flange device are solved; and when people weld a flange piece anda connecting pipe, the device can be accurately calibrated, deviation during welding does not exist, the welding quality is not affected, and the device is more convenient to use.

The invention discloses a telescopic room welding fume purification system which is characterized by comprising a telescopic gantry type framework structure, a dust absorption structure and a filter cylinder dust removing device. The framework structure covers a whole welding station, one surface of the framework structure is fixed, the dust absorption structure is arranged on the fixed surface side of the framework structure, the distance between the dust absorption structure and the ground is 2.5-3.5m, the dust absorption structure is provided with a plurality of exhaust openings, the exhaust openings are formed in the fixed surface side of the framework structure and cover the inside of a framework, and an air outlet of the dust absorption structure is connected with the filter cylinder dust removing device. The telescopic room welding fume purification system has the advantages that the system is simple to manufacture, low in cost and short in period, use space can shrink or expand according to requirements, use of a top crane cannot be affected, 90% of space of the welding station is closed, welding fume is difficult to overflow, dust collection effect is good, lighting is not affected, welding efficiency and welding quality are not affected, and the system is simple to operate.

The invention discloses welding equipment for continuous splicing of plates, and belongs to the technical field of welding equipment. According to the key point of the technical scheme, the welding equipment comprises a welding table top, pressing devices and a welding device, and a welding groove hole is formed in the middle of the welding table top; the pressing devices are arranged on the two sides of the welding groove hole and correspond to the plates, each pressing device comprises a pressing seat, a pressing air cylinder, a pressing piece and a guide sleeve, the pressing air cylinders are installed on the pressing seats, the pressing pieces are installed on telescopic rods of the pressing air cylinders, and the guide sleeves are installed on the pressing seats and matched with the telescopic rods of the pressing air cylinders; and the welding device comprises a first welding machine head, a second welding machine head and a portal frame, the first welding machine head is arranged above the plates, and the second welding machine head is arranged below the plates. According to the welding equipment, the two sides of plate gaps are welded, and the welding strength between the plates is improved.

The invention provides a clamping mechanism of a cross beam welding fixture. The clamping mechanism comprises a base, wherein a fixture block is arranged on the left side of the upper end of the base;the right side of the upper end of the base is connected with a rotating arm through a shaft pin; an overturning cylinder is arranged on the right side of the base; the left side of the overturning cylinder is connected with the base through a shaft pin; the upper end of the overturning cylinder is connected with the right end of the rotating arm through a shaft pin; the left end of the rotatingarm is connected with a mounting plate; a first cylinder is arranged on the left side of the mounting plate; the lower end of the first cylinder is connected with a first pressing arm through a shaftpin; a second cylinder is arranged in the middle of the mounting plate; the lower end of the second cylinder is connected with a first pressing point; a third cylinder and a fourth cylinder are arranged on the right side of the mounting plate; the third cylinder is arranged on the front side of the fourth cylinder; the lower end of the third cylinder is connected with a second pressing arm througha shaft pin; and the lower end of the fourth cylinder is connected with a second pressing point. The clamping mechanism is scientific and reasonable in structural design, simple in structure, convenient to use, accurate in positioning, reliable in clamping and convenient to use.