42results about How to "Meet welding process requirements" patented technology

The invention provides a tool for welding assembly of an end socket and a flange. The upper portion of a main shaft is sleeved with a pressing plate and a cushion plate, and the pressing plate is madeto be located above the cushion plate. The end of each mounting rod on the circumference of the pressing plate is provided with an alignment tolerance adjusting bolt, and push heads on the alignmenttolerance adjusting bolts correspond to the end socket supporting faces of the edge of the upper surface of the cushion plate. Raised height adjusting bolts are mounted on the cushion plate. A plurality of radially-extending supporting rods are arranged on the surface of the outer circumference of the cushion plate, and the edge of the upper surface of each supporting rod is an arc face matched with the surface of an inner arc of the end socket. Mounting holes for the raised height adjusting bolts are formed in the supporting rods correspondingly. According to the tool for welding assembly ofthe end socket and the flange, before-welding assembly of ellipsoidal holed end sockets of various thicknesses and diameters and the flange can be achieved, and the assembly quality meets the weldingtechnological requirement. The size phi of an inner hole of the related flange is 100-1000 mm, the diameter phi of the end socket is 300-2000 mm, and the assembly sizes of the all types of flanges andend sockets can meet the welding technological requirement.

The embodiment of the invention provides a laser welding technology. A laser device and a welding head are adopted for welding. The welding head is provided with a double-beam lens used for splitting a single beam into double beams. The method comprises the steps that beam split mass parameters generated after an output laser of the laser device passes through the welding head are measured; the target welding position is determined according to the beam split mass parameters; a welding material is fixed at the target welding position; and the laser device is started to weld the welding material. In the embodiment, the double-beam lens is arranged in the welding head, the double-beam laser is formed after the laser passes through the welding head, the welding material is welded through the double-beam laser at the target welding position, a welding line of the welding material is in a U shape, and the requirement of the electromagnetic valve welding technology is met.

The invention relates to a taillight support of a hatchback. A first turned edge is arranged on a support body and matched with the lower surface of a light, a second turned edge is arranged on the right portion of the support body and matched with the profile of an upper gutter channel on a rear pillar, a third turned edge is arranged on the right portion of the lower side edge of the support body and matched with the profile of a lower gutter channel on the rear pillar, a fourth turned edge is arranged on the upper portion of the left side edge of the support body and matched with the profile of the side wall, and a fifth turned edge is arranged on the lower portion of the left edge of the support body and matched with the profile of the side wall. Adjusting holes are formed in the left portion of the support body, and installation holes are formed in the right portion of the support body. A via hole is formed in the middle of the support body, and a reinforcement component is arranged on the periphery of the via hole. The strength of the taillight support of the hatchback can be reinforced, the taillight support and a rear pillar plate are combined to form a rear pillar cavity which is complete and smooth, and therefore the strength of the tail of a whole hatchback body is improved, uniformity of the taillight support is guaranteed, and requirements for a welding technology are met.

The invention discloses an exclusive automatic welding machine for a diesel engine base and a base frame thereof, comprising a gate frame mounted on guide rails by using a propel unit, welding guns moving on the beam are provided on the two sides of the gate frame beam rails, each welding gun comprises a transverse arm provided with moving rails, a transversely moving block moving along the transverse arm is disposed on the transverse arm, longitudinal guide rails are provided on the transversely moving block, a lifting arm is connected with the longitudinal rails with a lifting mode, the lower end of the lifting arm is connected to the triangularly supporting type welding gun connection frame, a swing unit driven by a servo motor is disposed at the lower portion of the triangularly supporting type welding gun connection frame, a laser welding joint tracing sensor for cooling the auto water cooling welding gun and controlling welding gun moving position by a mechanical controller is provided at the end of the swing unit. The invented machine is provided with a reasonable structure and good working performance.

The invention provides an automatic welding machine for bridge steel, which includes a sliding track, a drying gun, a heating tank and a heating sheet, each side wall of the gas shielded welding machine is provided with a sliding track, and each sliding track faces the traveling direction of the door frame There is a drying gun at one end of the machine, the heating groove is set on the inner side of the frame of the hydraulic swing tire frame, and the heating sheet is arranged in the heating groove, so that the position of the workpiece heated by the drying gun can be adjusted as the drying gun slides on the sliding track, not only You can use the drying gun to remove the water vapor on the surface of the workpiece, and you can also adjust the temperature of the preheated workpiece when it reaches the welding torch, so that the temperature of the workpiece during welding is an ideal temperature, and after the welding is completed, the heating sheet will also heat the workpiece. It achieves the effect of heat preservation, which is beneficial to the formation of weld seams during the welding process of the plates, and can meet the requirements of the welding process and has good practicability.

The invention discloses a pipeline port hysteresis buffer demagnetization controller and relates to the technical field of pipeline systems. The pipeline port hysteresis buffer demagnetization controller consists of a silicon-controlled voltage pre-stabilizing circuit, an inversion main control circuit, a rectifier, a regulator, a magnetic field detection module, a display panel and a protection circuit, wherein a power supply from a power grid is connected with the silicon-controlled voltage pre-stabilizing circuit; the output of the silicon-controlled voltage pre-stabilizing circuit is connected with the inversion main control circuit, and the manual regulation output which is connected with the display panel is also connected with the inversion main control circuit; the output, which is connected with the output of a detection probe, of the magnetic field detection module is also connected with the inversion main control circuit; the output of the inversion main control circuit is connected with the rectifier; one of three paths of output of the rectifier is connected with the protection circuit, and the output of the protection circuit is connected with the silicon-controlled voltage pre-stabilizing circuit and the inversion main control circuit; one path of output of the rectifier is connected with the display panel; and another path of output of the rectifier is connected to demagnetization coils (1 and 2). Compared with the conventional demagnetization product, the pipeline port hysteresis buffer demagnetization controller has the advantages of light weight, low energy consumption, advanced control mode, reliability in operation, high demagnetization speed and good demagnetization effect.

The invention relates to the field of mechanical devices, in particular to a numerical control welding lathe for achieving numerical control welding of a planar convex profile welding seam. The numerical control welding lathe for achieving numerical control welding of the planar convex profile welding seam comprises an A axis which controls a workpiece to be welded to rotate around an X axis, a Y axis and an A' axis which controls a welding gun to rotate around the welding tip of the welding gun. According to the numerical control welding lathe, compared with a welding lathe in the prior art, the attitude angle of the welding gun can be adjusted in real time in the moving process along the welding seam according to the curvature change of the welding seam, and therefore the welding technological requirement is met.

The present invention provides an electronic expansion valve, which comprises: a casing; a guide sleeve arranged in the casing; a rotor rotatably arranged in the casing; a screw arranged in the casing, and the rotor is driven and connected to the screw; The valve needle assembly is movably arranged in the housing, and one end of the screw rod is connected with the valve needle assembly, so as to drive the valve needle assembly to move axially through the screw rod; wherein, there is a communication between the inner wall of the housing and the outer wall of the guide sleeve. For the guide section and the press-fit section, the distance between the guide sleeve and the housing located in the guide section is greater than the distance between the guide sleeve and the housing located in the press-fit section, and there is also a gap between the inner wall of the housing and the outer wall of the guide sleeve. The welding ring groove is connected with the guide section. Through the technical solution provided by this application, the problem of low coaxiality in the prior art can be solved.