42results about How to "Continuous welding" patented technology

The invention provides a horizontal fillet welding seam angle-wrapping process suitable for automatic welding, and the horizontal fillet welding seam angle-wrapping process is suitable for unit vertical welding in a ship building process, adopts gas-shielded welding to carry out automatic welding to complete horizontal fillet welding seam angle-wrapping welding for a bottom plate and reinforcing ribs, and belongs to the technical field of gas-shielded welding automatic welding. According to the technical scheme adopted by the invention, two robots drive two welding guns; arcs are initiated from the two sides to drive the welding guns to move to the middle of the reinforcing ribs, so that angle-wrapped welding is completed, welding seams are full, and dimensions of the welding seams meet requirements. The horizontal fillet welding seam angle-wrapping process provided by the invention has the positive effects of reducing times of overlap welding, arc initiating and arc extinguishing, avoiding defects, reducing interferences of the welding guns and workpieces, especially reinforcing ribs with circular-arc holes in end parts, expanding automatic welding cover range and greatly simplifying trial teaching workload. The horizontal fillet welding seam angle-wrapping process is wide in scope of application, easily realizes automatic welding, has relatively low requirements on workpiece pairing, and improves welding quality and working efficiency.

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.

The invention discloses a titanium and titanium alloy welding process. In the process, firstly, the parts to be welded are fixed with clamps as required, and the top of the parts to be welded is blocked with a plug, and an argon-filled tube is installed at the other end. The interface is filled with argon through the argon cylinder and the argon filling pipeline. When the argon gas overflows from the joint of the parts to be welded, it is welded. The parts to be welded are all titanium products with a hollow center. The invention adopts external argon filling to the product, avoids vacuuming for welding, reduces energy consumption, improves production efficiency, and can also produce continuously; the equipment required by the invention is simple, and its cost is equivalent to that of conventional welding.

The invention belongs to the technical field of welding, and particularly relates to a long welding seam robot welding process. Closed-loop continuous sealing welding with forked welding seams and long welding seams of a workpiece is completed through cooperation of a plurality of composite welding robots, firstly, three welding robots are adopted for conducting welding arcing at the same time to form a common-welding-pool starting point, forked welding is conducted respectively, and the long welding seams are continuously welded alternately through two welding robots. And during arc stopping, two welding robots or three welding robots are used for terminating the common welding pool, and a closed welding seam is formed. No cold joint exists in the whole process, and the method is suitable for a sealing structure, so that the welding seam quality is further improved, and the welding quality is also improved.

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.

The invention discloses a butt welding device for draught fan half shells. According to the butt welding device for draught fan half shells, the structure is simple, a machine enclosure to be welded can be positioned effectively, the fluency in the welding process is good, the stability is high, and the wielding quality can be guaranteed. The welding device comprises a welding machine rotating part, a welding machine lifting part, a rotating motor and a welding gun component. The welding machine rotating part comprises a welding bottom frame, a level 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 positing welding table. The rotating motor is connected with a reducer. An output shaft of the reducer is connected with an output gear. The output gear is meshed with the welding table gear. The welding machine lifting part comprises stand pillars and a vertically-adjusting lead screw component. A horizontally-adjusting lead screw component is arranged on the main welding part. The butt welding device for draught fan half shells has the advantages that the welding gun can be aligned with a portion to be welded accurately, positioning is firmly, the welding process is continuous, a welding gun component does not move when welding is conducted, changing of welding position is realized through the rotation of the machine enclosure to be welded, the stability is good, and the welding quality is high.

Disclosed therein is a multi-axis laser welding head for a spacer grid, which is one of essential components of a nuclear fuel assembly. More particularly, the multi-axis laser welding head for the spacer grid can be operated more smoothly and variously during the welding of the spacer grid to thereby weld the spacer grid more exactly and precisely. For this, the multi-axis laser welding head includes a welding head having a movement within a predetermined angle like the back and forth swing of the pendulum, and can irradiate a laser beam in various directions by having additional axis in comparison with the prior art.

The invention discloses a machine shell welding device, and aims at providing the 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 welding 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 welding 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 present invention belongs to the field of no-medium welding technology. The technological process of no-medium welding continuous heat collecting strips includes the steps of regulation to straighten coil tube and align coil belt with the regulating mechanism; compacting the coil tube and the coil belt; argon arc welding or supersonic welding; and cutting to the required size in a cutting machine. The compacting device for no-medium welding continuous heat collecting strips consists of fixing frame and movable mechanism and has lower slot structure ad upper lead screw mechanism. The present invention has high production efficiency and product quality.

The invention discloses an automatic acquisition device for stator positioning rib welding deformation measurement data. The automatic acquisition device comprises a probe, a probe fixing support, a signal acquisition device, a terminal computer, automatic analysis software, output equipment, an alarm device and monitoring supports, wherein each monitoring support is composed of a support fixing frame, a support base and a support walking mechanism and is fixed to a lower annular plate of a stator annular plate; the probe fixing support comprises a supporting block, an adjustable cushion blockand a probe frame, the supporting block is welded and fixed to the support fixing frame, the adjustable cushion block is installed on the supporting block, the probe frame is welded and fixed to thefront end of the adjustable cushion block, and the probe is fixed to the probe frame; the signal acquisition device and the alarm device are fixed on a support base and are connected with the terminalcomputer through signals; the signal acquisition device is connected with the probe; and the terminal computer is provided with the automatic analysis software. The automatic acquisition device can perform automatic measurement, automatic recording, automatic analysis and real-time alarm, and can perform real-time monitoring when a stator positioning rib of a hydro-generator is welded.

The invention discloses a rapid assembly welding method for a large diameter steel pipeline. The method comprises the steps that a circular butt joint device is manufactured; positioning support plates are evenly distributed at the mouth of a lower steel pipe to be welded, the butt joint device is placed on the support plates, and the butt joint device fastens the lower steel pipe after buckling;an upper steel pipe is aligned with the lower steel pipe for butt joint correction and pre-assembly; two sections of pre-assembled steel pipes are hoisted and placed on rotating bed-jigs horizontally;a submerged arc welding trolley is placed directly above the welding line of the two sections of steel pipes to be welded, and the travel direction of the trolley is consistent with the welding line;the linear speed of a large diameter steel pipeline is the same as the submerged arc welding trolley, and the rotation direction is opposite; after the entire welding line of the steel pipeline to bewelded is finished, the soldering flux residue is removed, and if welding defects are found, manual repair welding and polishing are processed. According to the rapid assembly welding method for thelarge diameter steel pipeline, horizontal welding, vertical welding and overhead welding can be converted into flat welding, and welding process is completed continuously, smoothly and fully-automatically.

The invention relates to the field of production of electronic components, in particular to a positioning device for an electronic component. The positioning device comprises a machine frame, a conveying mechanism, a cross beam and two positioning cutting mechanisms, wherein the conveying mechanism comprises a driving roller, a driven roller and a conveying belt; an intermittent gear is coaxiallyconnected on the driving roller, and a rack meshed with the intermittent gear is arranged on the machine frame in a mode of vertically sliding; a horizontal slideway is arranged in the cross beam, anda through hole for enabling a pin to pass through is vertically formed in the cross beam; each positioning cutting mechanism comprises a positioning block and two cutting units, and each cutting unitcomprises a sliding block, a tension spring, a cutting knife and a stay cord, the sliding block is arranged in the slideway in a sliding mode, one end of the tension spring is fixedly connected withthe cross beam, the free end of the tension spring is fixedly connected with the sliding block, the cutting knife is obliquely arranged on the sliding block, the positioning block is fixedly connectedwith the sliding block, one end of the stay cord is fixedly connected with the sliding block, the other end of the stay cord is fixedly connected with the rack, and a scraper is arranged on the staycord. According to the technical scheme, the positioning device can automatically position the electronic component and continuously weld the electronic component.

The invention relates to the technical field of steel-plastic composite pipe machining equipment, and particularly discloses an intelligent welding device for a steel-plastic composite pipe. The device comprises a main machine and a clamp, and the clamp is electrically connected with the main machine through an electric wire. The clamp comprises two semicircular columnar clamping sleeves which are oppositely arranged. An electromagnetic heating component is fixed on each clamping sleeve, a cavity is formed in each electromagnetic heating component, and a sliding plate and a telescopic piece are arranged in each semicircular cylindrical cavity. The telescopic pieces are straightened when heated and are bent when cooled. A one-way water inlet valve and a one-way water outlet valve are arranged on each semicircular cylindrical cavity, and the inner side wall of each electromagnetic heating component is made of a conductor material. The device aims to solve the problem that after the welding of the steel-plastic composite pipe is completed, natural cooling needs to consume a large amount of time, so that the working efficiency is low.

A device for processing, in particular for ultrasound welding, of packaging sleeves and/or packagings includes at least two tools for processing, in particular for ultrasound welding, of packaging sleeves. Each tool has an operating region. The tools are supported in such a manner that there is produced between the operating regions a gap whose longitudinal direction corresponds to the transport direction of the packaging sleeves, and the tools are supported in such a manner that the size of the gap can be changed. In order also to enable continuous welding of the packaging sleeves in a reliable manner with changing material thicknesses, there is provided at least one parallel spring on which at least one of the tools is movably supported transversely relative to the transport direction of the packaging sleeves.