35results about How to "Welding quality is easy to control" patented technology

Disclosed in the invention is a horizontal conveying apparatus for a lead-acid cell plate group welding machine. A plate group horizontal conveying apparatus is arranged between the head and the tail of a rack; and a plate group welding device is arranged at the middle part of the rack. The plate group welding device located inside a box body is divided into a plate group arrangement zone A and a plate group welding zone B from the front to back; plate group arrangement is carried out at the plate group arrangement zone A; and plate group welding is carried out at the plate group welding zone B. The plate group horizontal conveying apparatus pushes the welded plate groups at the plate group welding zone B to move backwardly and the plate groups enter a plate group box entrance zone C. A plate group box entrance mechanism for placing the plate groups into a battery box is arranged at the tail of the rack by corresponding to the plate group box entrance zone C. According to the invention, the plate group horizontal conveying apparatus is used for conveying plate groups; during the conveying process, plate group arrangement and plate group welding are carried out; and then the plate groups are put into the battery box at the plate group box entrance zone C by the plate group box entrance mechanism. Therefore, the plate group welding process is simplified; the plate group welding cost is lowered; and the welding quality can be controlled easily.

The invention discloses a lead-acid battery pole group welding technology. After a pole group is conveyed to a pole group arranging area, a lug positioning structure positions lugs, and posts and lead bridges are placed; a pole group welding module reciprocating driving unit makes a pole group welding module in the pole group arranging area move to a pole group welding area as a whole, meanwhile, another pole group welding module originally located in a pole group welding area is moved to the pole group arranging area under driving of another pole group welding module reciprocating driving unit, and the pole group welding module reaching the pole group arranging area completes pole group arranging work; after the pole group welding module reaches the pole group welding area, a three-axis numerical control mechanism and a fire gun nozzle start to work. At the time, the pole group welding module in the pole group arranging area completes arranging movement, and the two pole group welding modules exchange positions under driving of the pole group welding module reciprocating driving unit. The heating fusion welding principle is adopted, production cost is low, production efficiency is high, and welding quality can be controlled more easily.

The invention discloses a method for manufacturing a cross-shaped box-shaped node, including the assembly and splicing of the cross-shaped column and the box-shaped column; step 1, the assembly and splicing of the cross-shaped column; the cross-shaped column is composed of one H-shaped steel and two T-shaped steels; the steps 2. Assembly and splicing of box-shaped columns, including box-shaped column bottom plate and internal assembly, box-shaped column U-shaped structure assembly, correction of deformed parts according to process requirements, and box-shaped column cover plate assembly; step 3, transitional inlay Repair segment group welding. The present invention preferably avoids the problem of stress concentration by first welding the welding seam of the box-shaped column top partition, then welding the connecting weld seam between the cross column and the box-shaped column, and finally welding the butt weld seam between the wing plate of the cross column and the cover plate of the box-shaped column , and the connecting weld between the cross column and the box column adopts slotted external plug welding, which avoids opening welding holes at the end of the cross column or outside the box column and affecting the appearance of the component, and realizes the cross column and box column The welding quality is controllable, and the cross box section welding process is optimized.

The invention discloses a vortex electric resistance welding device for foil micro-pieces and a welding method thereof. The vortex electric resistance welding device comprises a U-shaped magnetic core, an alternating magnetic field generating device, an upper electrode and a lower electrode, wherein the alternating magnetic field generating device is arranged on the rear portion of the U-shaped magnetic core and is used for providing alternating magnetic fields for the U-shaped magnetic core, the upper electrode and the lower electrode are oppositely arranged on the inner sides of the front ends of two limbs of the U-shaped magnetic core and are used for clamping to-be-welded foil micro-pieces, the upper electrode and the lower electrode are made of insulating magnetizers, and the U-shapedmagnetic core is used for conducting the alternating magnetic fields into the upper electrode and the lower electrode. According to the device, after the surfaces of the to-be-welded foil micro-pieces are cleaned up, the to-be-welded foil micro-pieces overlap each other in an up and down mode and are laid between the upper electrode and the lower electrode; a high-frequency oscillating circuit isstarted, the alternating magnetic fields are generated by the high-frequency oscillating circuit and are intensively gathered at the electrodes; and high-intensity vortexes are generated on the foilsin areas which are covered by the electrodes to heat work pieces, so that welding is completed under the electrode pressure. The device is suitable for ultra-thin work pieces, low in welding cost, easy to operate, easy to implement and high in production efficiency.

The invention provides a method for nanoparticle-driven low-energy ultrasonic metal welding, which includes: preparing nanoparticle paste or powder; coating the surface to be welded with 1-50 μm thick nanoparticle paste or powder on the upper and lower layers of the metal to be welded, Ultrasonic welding is then performed at room temperature or under heating. Adopting the technical scheme of the present invention, the traditional solid-phase connection at the peak of the rough surface in the ultrasonic welding process, as well as the size effect, frictional heating effect and gap filling effect of the nano-particles in the gap are integrated, thereby realizing lower ultrasonic welding input energy Form a good ultrasonic welded joint, simplify the production process, reduce the impact of the material to be welded, and improve the sealing performance of the weld seam, the mechanical properties of the welded joint, and the electrical and thermal conductivity.

The invention discloses an automatic speed changer shell body used in the field of automobile spare parts. The automatic speed changer shell body comprises an inner hub and an outer hub, a first ring welding face is arranged at the bottom of the inner hub, a second ring welding face is arranged on the top of the outer hub, a plurality of welding bosses with equal heights are evenly distributed along the first ring welding face, and the faces of the welding bosses are welded with the second ring welding face. The automatic speed changer shell body can effectively enable lubricating oil to flow into the interior of the automatic speed changer shell body, conducts lubricating for a clutch assembly, prolongs service life of the clutch assembly, and simultaneously reduces labor intensity of welding the automatic speed changer shell body, and welding quality of the automatic speed changer shell body is easy to control.

The invention discloses an automatic system for producing toothed plate structures in automobile seats. The automatic system is characterized by comprising a charging mechanism, a re-positioning mechanism, a welding mechanism, a discharging mechanism and a visual detection mechanism, wherein the charging mechanism comprises a rack charging station and a connection plate charging station; the pre-positioning mechanism comprises at least one positioning table; a connection plate positioning pin which is matched with a toothed plate rotary central hole is arranged on the positioning table; the welding mechanism comprises a welding platform, a laser welding device and a magnetic clamping component; the discharging mechanism comprises a discharging mechanical arm and a conveyer belt; the visual detection mechanism judges whether the toothed plates are qualified or not through an image comparison device; unqualified products are removed; and qualified products are output by the conveyer belt. By adopting the automatic system, automatic production of the toothed plate structures is realized through charging, positioning, welding, discharging and detecting; and production yield and production efficiency are improved.

The invention discloses a rotary body part automatic argon arc welding device. The welding device is composed of a mechanical part, an electric control part and a pneumatic control part, and mainly comprises an electrode holder, an electrode holder clamp, a wire feeder, a rotary servo motor, a wire feeding servo motor, a telescopic air cylinder, a sliding table air cylinder and the like. During work, the telescopic air cylinder presses and positions a workpiece needing to be welded, then an argon switch works, the sliding table air cylinder moves forwards to enable a welding wire and the workpiece to be welded, meanwhile, the rotary servo motor and the wire feeding servo motor rotate synchronously, after the rotary servo motor rotates by one circle, the sliding table air cylinder retracts,argon supply is stopped, and welding is completed. The welding device is accurate in control and high in automation degree, and can meet requirements of different welding beads.

The invention relates to an oscillator feeder line welding tool. The oscillator feeder line welding tool comprises a support body (2), a fixing piece (3) for mounting an oscillator, and a connecting piece (7); the fixing piece (3) is detachably connected to the support body (2) through the connecting piece (7); an elastic positioning piece (4) for limiting the relative position of the support body (2) and the fixing piece (3) is also arranged between the support body (2) and the fixing piece (3); the fixing piece (3) also comprises a positioning hole (310) which is matched with the elastic positioning piece (4); the support body (2) comprises a support plate (25) which is used for supporting the fixing piece (3); the support plate (25) comprises accommodating holes (250); the elastic positioning piece (4) comprises an elastic piece (41) and a positioning piece (43) which are sequentially accommodated in the accommodating holes (250); the positioning piece (43) is matched with the positioning hole (310) of the fixing piece (3); the elastic piece (41) provides an elastic force directed to the positioning hole (310) for the positioning piece (43). The oscillator feeder line welding tool disclosed by the invention can be conveniently and rapidly operated, so that the welding process is stable and the welding quality is easily controlled; the welding efficiency is improved; the manpower is reduced; the production cost is reduced.