42results about How to "Continuous welding" patented technology

The invention provides a method and a device for welding a water-wheel socket ring. The method includes that for generation of welding tracks, establishing a three-dimensional model of a water-wheel socket ring according to size, assembly and positional relation of each part, taking feature points on an intersection line of fixed guide vanes and upper and lower annular plates every other 50-100mm, and matching all control points to obtain the continuous welding tracks of an individual fixed guide vane; integrally translating the welding tracks of the individual fixed guide vanes on the three-dimensional model of the water-wheel socket ring to perform local modification, and continuously generating the welding tracks of the whole water-wheel socket ring; assembling the water-wheel socket ring; pre-heating prior to welding; using a robot welding gun for automatic welding. By the method, a robot welding process is continuous and stable, welding quality stability is remarkably improved, and welding efficiency is improved by 3-4 times as compared to that of manual welding; labor intensity and security risk of a welding operator are lowered; welding lines generated are regular in shape and attractive, and the qualified rate of flaw detection is higher than that of the same type by manual welding.

The invention provides a spot-welding method of a full-automatic battery spot-welding device. Automatic operation of welding screws and studs at two ends of a battery can be achieved, the operations of battery feeding and transportation, carrier feeding and transportation, screw / stud feeding and transportation, screw and battery spot-welding, CCD detection, unqualified product screening, stud and battery butt-welding, product output and cyclic carrier usage and the like are integrated, the screws and studs can be continuously and rapidly welded at two ends of the battery, batch production can be met, and the product machining precision can be also improved.

The invention discloses molecular staggered seamless welding machine equipment. The equipment comprises a main body, wherein a welding cavity is formed in the main body, a matching block is rotationally arranged in the welding cavity, the matching block is divided into an upper part and a lower part, the upper matching block and the lower matching block which correspond to each other vertically are connected through a screw rod, a welding gear capable of driving the matching block to rotate is arranged on the outer wall of the matching block, and bilaterally symmetrical upper fixing blocks arearranged in the welding cavity in a sliding mode. According to the equipment, the device is simple in structure, convenient to operate and maintain and continuous in welding process, integral connection of to-be-welded metal is guaranteed during welding, welding strength is greatly improved, meanwhile, personnel intervention is not needed in the welding process, dependence on the welding technology of welding personnel is reduced, personnel cost is reduced, rotating operation is not conducted on the welded metal during welding, the length range of weldable metal is greatly widened, the application capacity of the equipment is improved, and therefore the equipment has high use and popularization value.

The invention belongs to the technical field of welding tooling equipment, and relates to an eccentric sliding table positioner, which includes a rotary base, on which a first rotary drive mechanism is installed, and the first rotary drive mechanism is connected to drive the eccentric slide table to rotate, and the eccentric The linear guide rail is rotated on the slide frame, and the small rotary fixed seat is slidably connected with the linear guide rail through the slider; the second rotary drive mechanism is installed on the small rotary fixed seat, and the second rotary drive mechanism is connected and drives the workpiece fixed seat to rotate. A workpiece fixing shaft is installed on the workpiece fixing seat, and the shaft end of the workpiece fixing shaft is threadedly connected with a workpiece locking nut. The positioner has the function of small rotation. When working, it can adjust the other eccentric holes of the workpiece to the center of the large rotary support through the small rotation. The operation is simple and convenient, and it meets the requirements of continuous welding.

The invention discloses a machine shell butt joint device, and aims at providing the butt joint device which is reasonable in structure, can effectively position a to-be-welded machine shell, is high in smoothness and stability in the welding process and can ensure the welding quality. The machine shell butt joint device comprises a welding machine rotating part, a welding machine lifting part, a rotating motor and a welding gun assembly. The welding machine rotating part comprises a welding bottom frame, a horizontal positioning welding table and a welding table gear. The welding table gear is connected with a main rotating shaft. A positioning fixture is arranged on the positioning welding table. The rotating motor is connected with a speed reducer. An output shaft of the speed reducer is connected with an output gear which is meshed with the welding table gear. The welding machine lifting part comprises a stand column and a vertical adjusting lead screw assembly. A transverse adjusting lead screw assembly is arranged on the main welding part. The machine shell butt joint device has the advantages that a welding gun and a to-be-welded part can be accurately aligned, positioning is firm, the welding process is ceaseless, the welding gun assembly is still during welding, the welding position is changed through the rotation of the to-be-welded machine shell, stability is high, and the welding quality is high.

The invention discloses a welding resistance equipment for axial flow fan casing processing, a welding resistance equipment for axial flow fan casing processing, a welding resistance equipment for axial flow fan casing processing, including a mobile gantry crane, the moving A stable rotating sliding seat is provided under the gantry crane, a roller pressure welding resistance welder is provided on one side of the stable rotating sliding seat, and a fixed rotator is provided on the other side of the stable rotating sliding seat; the present invention can be positioned firmly, welded The process is continuous, and the welding position is changed by the rotation of the casing to be welded. The stability is good, the welding quality is high, and the flange and the axial flow casing can be welded quickly, with high efficiency and fast assembly speed.

The invention relates to an automatic welding method of a nuclear plant steel safety shell and belongs to the technical field of nuclear plant building. The method adopts the match between a solid core welding wire and the active gas-shielded arc welding of a consumable electrode with specific process parameters, weaving welding is adopted for vertical welding seam,s and linear welding is adopted for horizontal annular seams. According to the method, internal and appearance qualities of the welding seams of the nuclear plant steel safety shell are improved, the safety is ensured, the efficiency for welding a thick plate of the steel safety shell is greatly improved, and the welding work period is obviously shortened.

An automatic welding equipment for double annular welding beads is used for solving problems of high equipment cost, low manual welding efficiency and hardly guaranteed welding quality of a welding robot. The automatic welding equipment comprises a welding gun position switching and welding gun clamping adjusting mechanism, a left side positioning mechanism, a right side positioning mechanism, an operation station, a power output mechanism, a control mechanism and a base stage, wherein the welding gun position switching and welding gun clamping adjusting mechanism comprises a left part and a right part, which are symmetric and respectively mounted together with the left side positioning mechanism and the right side positioning mechanism; the left side positioning mechanism, the right side positioning mechanism and the operation station are all fixed on the base stage; the power output mechanism is mounted together with the right side positioning mechanism; and a caster is arranged at the bottom of the base stage. The automatic welding equipment has the advantages of simple operation, convenient maintenance and low manufacturing cost; the welding efficiency can be increased, the product quality is improved, the welding operation condition is improved and the labor intensities of operators are reduced.

The invention discloses a welding machine, and aims at providing the welding machine which is reasonable in structure, can effectively position a to-be-welded machine shell, is high in smoothness and stability in the welding process, and can ensure the welding quality. The welding machine comprises a welding machine rotating part, a welding machine lifting part, a rotating motor and a welding gun assembly. The welding machine rotating part comprises a welding bottom frame, a horizontal positioning welding table and a welding table gear. The welding table gear is connected with a main rotating shaft. A positioning fixture is arranged on the positioning welding table. A speed reducer is connected with a rotating motor. An output shaft of the speed reducer is connected with an output gear which is meshed with the welding table gear. The welding machine lifting part comprises a stand column and a vertical adjusting lead screw assembly. A transverse adjusting lead screw assembly is arranged on the main welding part. The welding machine has the advantages that a welding gun and the to-be-welded part can be accurately aligned, positioning is firm, the welding process is ceaseless, the welding gun assembly is still during welding, the welding position is changed through the rotation of the to-be-welded machine shell, stability is high, and the welding quality is high.