13results about How to "Improve welding productivity" patented technology

The application discloses an aerospace part welding vertical machining center and a using method thereof, and relates to the technical field of vertical machining centers.The vertical machining center comprises a rack, a welding mechanism and a lifting frame, the welding mechanism is fixedly arranged in the rack, the welding mechanism is used for automatically welding aerospace parts, the lifting frame is slidingly connected to the inner cavity of the rack, the inner part of the rack is provided with a protection mechanism capable of rotating to block splashes, and the outer part of the lifting frame is provided with a rotary driving mechanism capable of driving the protection mechanism to rotate.The application drives the protection mechanism to rotate by using the rotary driving mechanism when the aerospace parts are machined, the protection mechanism forms a physical barrier to prevent splashes from splashing onto the surface of the workbench of the rack 1, the subsequent manual cleaning process of workers is saved, the work efficiency is improved, the protection mechanism is reversely rotated by the rotary driving mechanism when the workers open the rack after the machining is completed, the physical barrier is automatically contacted, the workers can directly take down the fixed aerospace parts and install the next parts, and the work efficiency is further improved.

The application discloses a welding method for a high-temperature alloy casing assembly with large wall thickness difference, and adopts double electron beam synchronous welding, generates an electromagnetic field by using an electromagnetic lens inside a welding machine according to the symmetrical positions of two welds, realizes the double electron beam angle deflection function of the electron beam welding machine, deflects the electron beam flow in real time at a high frequency during the welding travel, makes the electron jump at a high frequency of 0.05-500 kHz between two adjacent welds, and obtains the effect that the electron beam synchronously covers and welds the two side welds. The application solves the problems of weld undercutting and burning, effectively reduces the residual stress of the weld, reduces the welding deformation, improves the welding assembly precision of the high-temperature alloy casing parts, and effectively improves the product quality, the use performance and the failure rate of the high-temperature alloy casing.

This utility model discloses a clamping device for welding the side wall panel and diagonal brace of a railway freight car, relating to the field of railway freight car manufacturing. It includes: a connecting rod, spanning across the railway freight car and arranged along its width; a moving mechanism at each end of the connecting rod, the moving mechanism comprising multiple moving rollers that engage with the upper side beam of the railway freight car; two pairs of slide rails, each pair vertically positioned at both ends of the connecting rod, with two slide rails in each pair positioned on the inner and outer sides of the side wall of the railway freight car; a lifting mechanism slidably mounted on the slide rails, the output end of which extends and retracts horizontally, engaging with the diagonal brace and the side wall panel; this clamping device ensures that the welded assembly meets the dimensional requirements of the railway freight car, reduces the number of personnel involved in the welding process, and improves welding efficiency.

The application provides a battery string welding method. The battery string welding method comprises the following steps: preparing a plurality of battery pieces (1) of a same battery string; preparing at least one continuous welding strip; making the continuous welding strip sequentially contact and weld with the same surface of the plurality of battery pieces (1) through one or more continuous pulling of the continuous welding strip to form a conductive path; and completing the welding of the whole battery string; wherein the continuous welding strip is not bent during the welding process and keeps a continuous extension state after the welding is completed. The battery string welding method can reduce the problem of hidden cracks of the welding strip, avoid the risk of less welding strips, improve the welding capacity, improve the production efficiency, and improve the battery performance.

This invention relates to the field of galvanized steel strip welding technology. The invention discloses a welding positioning device for galvanized steel strip production, comprising a horizontal platform, a release frame on one side of the top of the horizontal platform, a laser cutting machine on the front side of the release frame (the laser cutting machine is tilted), a side seat on the side of the horizontal platform, a first drive motor at one end of the side seat, a lead screw rotatably connected to the output end of the first drive motor, the lead screw rotatably mounted on the side seat, a drag seat slidably connected to the lead screw, a rack fixedly connected above the side seat, and a control frame fixedly connected to the top of the drag seat. This device causes the two ends of the steel strip to curl and align with each other, aligning the beveled ends. A magnetic strip is used to limit the movement of the two ends of the steel strip, allowing for welding of the steel strip ends. In this operation, technicians are not required to continuously pull the steel strip and perform curling and aligning, effectively improving the efficiency of steel strip welding production.

A kind of low vacuum laser welding method for GH4169 high-temperature alloy and SS304 stainless steel, the present application belongs to laser welding technical field.The present application solves the problem that the existing welding method cannot realize the low-cost and high-quality connection of medium thickness and above GH4169 alloy and SS304 stainless steel.One, welding assembly;Two, low vacuum laser welding;Three, heat treatment.The present application is used for the low vacuum laser welding of GH4169 high-temperature alloy and SS304 stainless steel.

The application discloses an aluminum alloy box unequal-thickness butt joint friction stir welding method, which comprises the following steps: process placing of an upper panel of an aluminum alloy box, increasing a friction stir welding arc receiving plate area; cleaning the left panel, the right panel and the upper panel of the aluminum alloy box, adopting mechanical polishing and cleaning; positioning and assembling the left panel, the right panel and the upper panel on a tool, controlling the assembly gap and the misalignment to be not greater than 0.5 mm; setting the parameters of the friction stir welding, and welding the weld joints between the left panel and the upper panel and between the right panel and the upper panel. The aluminum alloy box unequal-thickness butt joint friction stir welding method utilizes the advantages of the friction stir welding to improve the welding deformation, improves the welding quality and improves the production efficiency.

The utility model relates to the technical field of welding, in particular to a resistance welding electrode assembly which comprises a first electrode and a second electrode, the first electrode comprises a first electrode body and a first electrode cap, and the second electrode comprises a second electrode body and a second electrode cap. The second electrode cap is provided with a second end face, and the diameter of the first end face is larger than that of the second end face. Through accurate heat distribution, the welding parameter adjusting frequency is reduced, long-time stable welding is achieved, the production takt time can be effectively shortened, the comprehensive manufacturing cost is reduced, and the requirement of industrial production for efficient and stable welding is met.

The application relates to the technical field of arc welding machines, and discloses a high-precision plasma arc welding machine and an automatic wire feeding device thereof, wherein the high-precision plasma arc welding machine comprises an arc welding machine base, a portal frame is arranged at the top of the arc welding machine base, two moving seats are symmetrically arranged at the top of the arc welding machine base, an extension cylinder is arranged on the portal frame, a welding torch is arranged at the output end of the extension cylinder, a rotating ring is arranged on the inner side of the moving seat, a thin pipe body is inserted into the inner side of the rotating ring, and a spraying liquid suction unit arranged in the thin pipe body is further arranged. The high-precision plasma arc welding machine adopts a mode of directly spraying cooling liquid on the inner wall of the thin pipe. The cooling liquid directly acts on the back of a weld and a near-weld area, can instantaneously take away a large amount of heat generated during welding, significantly reduces a heat input peak value, simultaneously greatly reduces the range of a heat affected zone, effectively inhibits axial wave deformation and roundness loss caused by thermal expansion and cold contraction, and avoids the generation of harmful oxide skins caused by high-temperature oxidation of the inner wall.

The utility model relates to the technical field of fixing clamps for automobile part machining, in particular to a simple electric control automatic rotating spot welding clamp which comprises a bottom plate, a protection assembly arranged on the bottom plate, a clamping assembly arranged on the protection assembly and an automatic propelling assembly matched with the clamping assembly. The clamping assembly comprises a first clamping station and a second clamping station, and the automatic pushing assembly can swing between the first clamping station and the second clamping station back and forth around the upper end of the supporting foot stand and is clamped when attached to the first clamping station or the second clamping station. The welding production efficiency is effectively improved through cooperation of the multiple air cylinders, circulation of procedures is avoided, the gear and rack rotation positioning precision is reliable, the time for primary debugging of production is shortened, the maintenance cost is reduced, and the occupied area of a welding tool is saved.

The utility model belongs to the technical field of coal mine underground explosion-proof box production, and discloses a welding fixture for a coal mine underground explosion-proof box communication joint, which comprises a support frame, an electric control cabinet and a driving motor, the electric control cabinet and the driving motor are fixed on the support frame, the driving motor is electrically connected with the electric control cabinet, and the driving motor drives a rotating mechanism positioned on the support frame to rotate. An electromagnet is fixed to the top end of the rotating mechanism and electrically connected with the electric control cabinet. Due to the structure, the thickness consistency of surfacing welding of the same batch is improved, the production efficiency is improved, and the labor intensity of workers is reduced.

The path acquisition method, system and device of the ship small assembly welding robot are provided, wherein the path acquisition method comprises the following steps: acquiring a welding instruction, the welding instruction comprising a motion instruction and a process instruction of the welding robot; acquiring a plurality of initial travel paths of the welding robot based on the motion instruction; screening the plurality of initial travel paths under a preset constraint condition to obtain a target travel path; debugging the welding robot in a virtual debugging environment based on the target travel path, moving the welding robot to a target position based on the target travel path, and performing welding work based on the process instruction. Through the path acquisition method provided by the present disclosure, the time required for robot debugging is greatly reduced, a large amount of manual cost is saved, and the efficiency of ship small assembly welding production is improved.

This invention relates to the field of battery technology, and in particular to a high-temperature resistant aluminum-plastic film encapsulation device, encapsulation method, and encapsulating aluminum-plastic film. The high-temperature resistant aluminum-plastic film encapsulation includes an ultrasonic welding machine; the ultrasonic welding machine includes interlocking welding heads arranged vertically; the welding heads include an upper welding head and a lower welding head correspondingly provided with multiple protrusions and multiple grooves. This invention uses an ultrasonic welding machine to encapsulate the high-temperature resistant aluminum-plastic packaging film. Compared to traditional heat-sealing processes, this method preheats the aluminum-plastic film at a low temperature, avoiding the high-temperature conduction phenomenon associated with heat sealing, and effectively preventing high-temperature damage to the battery cell material.