64results about How to "Reduce welding errors" patented technology

The invention discloses a welding device for a special-shaped bent pipe. The special-shaped bent pipe is installed on a working platform. The special-shaped bent pipe comprises a plurality of horizontal sections and a plurality of oblique sections. The horizontal sections are parallel to the working platform. An included angle is formed between each oblique section and the working platform. The welding device for the special-shaped bent pipe comprises at least one first supporting mechanism used for supporting the horizontal sections, at least one second supporting mechanism for supporting the oblique sections, a limiting mechanism used for limiting the movable end of the special-shaped bent pipe, at least one first clamping mechanism for clamping the special-shaped bent pipe, and a second clamping mechanism for clamping the middle portion of the special-shaped bent pipe. The welding device is simple in structure, the special-shaped bent pipe is clamped and positioned, looseness and displacement are not likely to happen, the welding precision of the special-shaped bent pipe is effectively guaranteed, welding application of a welding machine is facilitated, the welding and assembling efficiency is improved, welding errors are reduced, and the welding quality of products is improved.

The invention discloses an automatic welding device for a nanometer thin-wall pipe fitting. The automatic welding device comprises a base, wherein a lifting plate is arranged at the top of the base, supporting conveying mechanisms are arranged at the two ends of the top of the lifting plate correspondingly, a first hydraulic cylinder is fixedly installed between the lifting plate and the base, a welding machine is arranged at the top of the base, a second hydraulic cylinder is fixedly installed at the bottom of the welding machine, a welding gun is fixedly connected to the bottom end of the second hydraulic cylinder, each supporting conveying mechanism comprises a supporting base, the supporting bases are rotationally connected to the top of the lifting plate, and gear teeth are arranged on the circumferential side of the bottom end of each supporting base. By means of rotation of the supporting bases, two sets of supporting idler wheels can change states continuously, moving and rotating control over a to-be-welded pipe is achieved, and then the processes of automatic feeding, aligning, seam aligning, automatic welding and automatic discharging of the to-be-welded pipe are achieved, so that the practicability and convenience of using the device are improved.

The invention discloses a production line and production method for steel structure plates. The production line comprises a panel production line for processing panels, a double-end saw used for cutting standard materials, a steel structure forming production line used for steel structure processing, a welding operation station used for welding steel frame structures, and a plate nailing production line used for combining the steel structure plates. The production line for steel structure plates, provided by the invention, has the characteristics of high automation degree, and stable quality of produced steel structure plate products.

The invention relates to a front passenger car wall assembly welding clamp and a technique using the same to weld a front wall assembly. The front passenger car wall assembly welding clamp comprises a pedestal, a short support, a long support, a cylinder and a clamp wall, a plurality of first supports are fixed at the front and rear sides of the pedestal, a plurality of second supports are fixed at the left and right sides of the pedestal, and a jacking device is fixed at the middle position. The technique using the clamp to weld the front wall assembly includes steps that firstly, using the clamp to clamp, fix and weld spare parts of a front wall framework into a single body, using the jacking device to jack up, and using a cantilever crane to hoist out the front wall framework; secondly, using the clamp to clamp, fix and weld spare parts of a front wall skin into a single body, and using the jacking device to jack up; finally, hoisting the front wall framework into the front wall skin, resetting the jacking device, compressing the front wall framework and front wall skin, and welding to form the front wall assembly. The technique enables the precision quality and appearance effect of the front wall assembly to be guaranteed.

The invention relates to a rear passenger car wall assembly welding clamp and a technique using the same to weld a rear wall assembly. The rear passenger car wall assembly welding clamp comprises a pedestal, a short support, a long support, a cylinder and a clamp wall, a plurality of first supports are fixed at the front and rear sides of the pedestal, a plurality of second supports are fixed at the left and right sides of the pedestal, and a jacking device is fixed at the middle position. The technique using the clamp to weld the rear wall assembly includes steps that firstly, using the clamp to clamp, fix and weld spare parts of a rear wall framework into a single body, using the jacking device to jack up, and using a cantilever crane to hoist out the rear wall framework; secondly, using the clamp to clamp, fix and weld spare parts of a rear wall skin into a single body, and using the jacking device to jack up; finally, hoisting the rear wall framework into the rear wall skin, resetting the jacking device, compressing the rear wall framework and rear wall skin, and welding to form the rear wall assembly. The technique enables the precision quality and appearance effect of the rear wall assembly to be guaranteed.

The invention discloses a welding structural part process optimization method and system based on an industrial AI technology. The method comprises the steps of extracting associated feature data from process data in the motorcycle frame welding process; inputting the associated feature data into the trained AI model to obtain optimized process parameters; and controlling the welding equipment based on the optimized process parameters. According to the invention, the welding process data in the motorcycle frame welding process can be collected and processed, then correlation analysis is conducted on the welding process data and the measured welding error of the welded motorcycle frame, the correlation of the data is found through a model algorithm, and the production process control method for reducing the welding error is found; process data are analyzed through the AI model, feedback control is conducted by optimizing process parameters, the welding quality of the motorcycle frame can be controlled in the manufacturing process, and compared with the prior art, the one-time offline qualification rate of the welded motorcycle frame is increased, the manual correction cost is reduced, the product quality stability is kept, and the product consistency is improved.

The invention relates to a control method of a moving trolley of a submerged-arc welding machine, a control device of the moving trolley and the submerged-arc welding machine. The control method comprises the following steps of setting preset operating parameters of a moving trolley of the submerged-arc welding machine, when the moving trolley of the submerged-arc welding machine operates according to the preset operating parameters, collecting feedback operation parameters of the moving trolley of the submerged-arc welding machine, performing PID operation on the preset operation parameters and the feedback operation parameters to adjust the preset operation parameters of the movable trolley of the submerged arc welding machine, so that the moving trolley of the submerged-arc welding machine is operated according to the adjusted preset operating parameters. According to the control method disclosed by the embodiment of the method, automatic PID adjustment can be carried out on the running state of the moving trolley of the submerged-arc welding machine, so that the running state of the submerged arc welding machine moving trolley is matched with the welding speed, the welding precision and the welding quality are improved, the operation state of the submerged-arc welding machine moving trolley has high-precision and automatic control functions, and great convenience is broughtto the operation process of technicians.

The invention relates to a laser tracking type angle welding system and method for a large curved plate. The system comprises a laser tracking system, a welding parameter database, a data processing module and a welding adjusting module, wherein the laser tracking system is used for outputting real-time weld joint track data, the welding parameter database is used for storing welding parameter selecting data, the data processing module is used for retrieving corresponding welding parameter selecting data according to the real-time weld joint track data and outputting the corresponding weldingparameter selecting data to the welding adjusting module, and the welding adjusting module is used for adjusting a welding gun according to the welding parameters. The method comprises the steps thata weld joint is tracked in the welding process, and the real-time weld joint track data is output; the corresponding welding parameter selecting data is retrieved according to the real-time weld jointtrack data and is output to the welding adjustment module; the welding gun is adjusted according to the welding parameters of the welding parameter selecting data; and each piece of the welding parameter selecting data comprises a welding parameter part and weld joint track information corresponding to the welding parameter part. The system and method have the beneficial effects that the weldingparameters can be adjusted according to real-time weld joint data in the welding process, and therefore the welding errors can be conveniently reduced.

The invention discloses a mounting assembly of a headlamp and a fender. The mounting assembly comprises a front connecting plate, a headlamp mounting beam assembly, a fender mounting reinforcing plateand a fender mounting bracket; the front connecting plate is fixedly arranged on a front plate, the headlamp mounting beam assembly is fixedly connected with the front connecting plate, the fender mounting reinforcing plate is fixedly connected with the lower portion of the front connecting plate, the fender mounting bracket fixed on the fender mounting reinforcing plate in a position adjustablemode, a headlamp is respectively fixedly connected with the headlamp mounting beam assembly, the front connecting plate and the fender mounting bracket, and a fender body is fixedly connected with theheadlamp mounting beam assembly and the fender mounting bracket respectively. According to the mounting assembly of the front headlamp and the fender in the invention, the segment gap clearance between the fender body and the headlamp can be effectively controlled and quickly adjusted.

The invention relates to the welding device technology field, and discloses a short pipe flange welding device. The device comprises a fixing mechanism and a welding mechanism. A flange to be welded is fixed to a rotary disc through the fixing mechanism, the rotary disc drives the flange on the rotary disc to rotate, the welding mechanism welds the rotated flange, and uniformity of flange weld seams is guaranteed. A position of a welding head is changed by adjusting the positions of a Z-direction sliding frame and an X-direction sliding frame so that the positions of flange welding seams can be optimally matched, welding errors are reduced, and welding quality is guaranteed. By using the short pipe flange welding device, simple automatic welding is achieved through an existing semi-automatic welding auxiliary device, high investment cost of intelligent and automatic welding equipment is saved, investments of low-technology welding tasks on manpower and financial resources are reduced,construction cost can be reduced, and economic practicability is high.

The invention relates to a manufacturing process of a cantilever type steel box girder. In the manufacturing process, cantilevers and cross ribs which are alternately arranged are spliced firstly, during welding, the joint positions of the cross ribs and the cantilevers are welded firstly, and errors generated by alternate welding are reduced while the strength is guaranteed; and in addition, perpendicularity of the cross ribs is guaranteed by welding the butt joint positions of the cross ribs and a bottom plate, finally, the structures of the cantilevers and the bottom plate are welded, and therefore the internal stress of the cantilevers can be reduced, and the welding errors of cantilever welding are reduced.

The invention discloses a butt welding machine for steel structure engineering. The butt welding machine comprises a butt welding machine body, wherein the butt welding machine body comprises a butt welding box, fixing plates are arranged at the top of the butt welding box, an extrusion outer rod is arranged on one side of each fixing plate, an extrusion cavity is formed in each extrusion outer rod, and an extrusion inner rod is arranged in each extrusion cavity; a sliding table is arranged on one side of each extrusion inner rod, a fixing frame is arranged at the top of each sliding table, alifting frame is arranged on each fixing frame, and a pressing block and a rotating shaft are arranged on each lifting frame; and lifting outer rods are arranged on the top of the butt welding box, alifting cavity is formed in each lifting outer rod, a lifting inner rod is arranged in each lifting cavity, each lifting inner rod is connected to the corresponding lifting frame through the corresponding rotating shaft, and a conductive table is arranged on each sliding table. The butt welding machine for steel structure engineering has the advantages of being reasonable in design, high in practicability, convenient to use and suitable for popularization.

The invention relates to a welding clamp for a heavy truck bumper assembly. The welding clamp comprises a base, a supporting frame, a sliding rod, an adjustment threaded rod, a threaded disc, a rotating plate, a bolt and an adjusting screw. The base is fixed to the upper portion of a welding working table. A boss is connected below the base and fixed to the lateral side of the welding working table. A plurality of positioning holes are formed in the upper portion of the base. The supporting frame is arranged in the positioning hole in the left side of the base. The sliding rod capable of vertically sliding is arranged on the supporting frame, and the specific position of the sliding rod is adjusted through the adjusting screw. The adjusting threaded rod vertically penetrating the sliding rod is arranged at the other end of the sliding rod. The threaded disc is connected to the lower portion of the adjusting threaded rod. The rotating plate is arranged in the positioning hole in the right side of the base. A sliding groove is formed in the rotating plate. The bolt penetrates the sliding groove and the positioning hole below the sliding groove. The bottom end of the bolt is fixed into a threaded hole in the welding working table. A fixing hole is formed in the other end of the rotating plate. The welding clamp is simple in structure, and welding errors are reduced; and the welding clamp is suitable for welding various heavy truck bumper assemblies, light in weight and convenient to use, and has the high universality; and the production efficiency is greatly improved.

The invention provides a C-shaped lifting appliance with a locking function. The C-shaped lifting appliance is characterized by comprising an upper frame, a lower frame, suspension arms and a lockingdevice; and the upper frame is connected to the suspension arms through bolts, the upper frame is connected to a trolley unit through a hanging shaft, and the middle of the upper frame is ensured to be insulated through a polytetrafluoroethylene spacer bush. The upper frame is provided with an electrifying device, and electricity is conducted through conductive copper plates on the outer side of aelectrophoresis station. The suspension arms are formed by welding tubes and plates, the suspension arms are formed by hot bending once by adopting steel tubes, are connected to the upper frame and the lower frame through bolts up and down, and the welding error is reduced while the welding amount is reduced. Special tool clamps are used for manufacturing the suspension arms, and the machining error of the suspension arms is within 2 mm. The lower frame is connected to the suspension arms through bolts, and the middle of the lower frame is ensured to be wear-resistant and corrosion-resistantthrough a polytetrafluoroethylene spacer bush. The locking device is arranged below the lifting appliance, and the locking device is used for automatically clamping parts which are hoisted and moved by the lifting appliance, so that the purpose of automatic production is achieved, and the purpose of improving the production efficiency is achieved.

The invention relates to the technical field of machining, in particular to welding equipment. The welding equipment comprises a workbench, a clamping mechanism, a welding mechanism and a moving mechanism. A first guide rail is arranged on the workbench; the clamping mechanism comprises a mounting seat and a clamping device mounted on the mounting seat; the mounting seat is mounted on the workbench, the clamping device can rotate relative to the mounting seat, and the clamping device is used for clamping a profile; the welding mechanism comprises a connecting assembly, and a welding assembly slidably connected with the connecting assembly; the connecting assembly is installed on the first guide rail and can slide relative to the first guide rail; the welding assembly is located above the clamping device and used for welding the profile; and the moving mechanism is located above the clamping mechanism and used for conveying the profile to the clamping mechanism. The problem that traditional welding equipment is low in welding efficiency is solved, and the welding equipment has the advantages of being capable of rapidly fixing profiles and high in automation degree.