35results about How to "Reduced impact on weld quality" patented technology

The invention relates to a tool clamping apparatus for the operations of tin-plating and welding the leads of wire-welded type components and parts, belonging to the technical field of welding. The clamping apparatus comprises a turntable, a transverse / longitudinal adjustment mechanism, a component fixing mechanism and a tin-leakage preventing clamp; the bottom face of the tin-leakage preventing clamp is matched with a slide rail of a transverse / longitudinal adjustment mechanism supporting plate; the transverse / longitudinal adjustment mechanism is fixedly mounted on a seat board of the turntable as a whole through a slide rail bottom plate; and the component fixing mechanism is fixedly mounted on the seat board of the turntable through a fixing mechanism body and is opposite to the transverse / longitudinal adjustment mechanism. According to the invention, core wires of the leads are clamped through the tin-leakage preventing clamp so as to exert effects of clamping and tin-leakage preventing, a fixing surface can deflect within 30 DEG towards two sides from the vertical direction through the adjustment of the turntable, and the alignment between the leads and a welding pin (groove)can be realized through adjusting the transverse / longitudinal adjustment mechanism and adjusting the sliding of the tin-leakage preventing clamp on the transverse / longitudinal adjustment mechanism. The tool clamping apparatus can effectively standardize various operations in processes of assembling and connecting and reduces the influence on welding quality caused by human factors.

The invention provides a welding method which comprises coating scaling powder on the surface of a solder strip, and carrying out welding to battery pieces by adopting the solder strip with the scaling powder coated on the surface of the solder strip. The invention further provides a welding system which comprises a solder strip reel with a solder strip installed, a shearing device used for shearing the solder strip and a welding cavity, and further comprises a scaling powder coating device, wherein the first end of the scaling powder coating device is connected with the solder strip reel, the second end of the scaling powder coating device is connected with the shearing device, and the scaling powder is contained inside the scaling powder coating device. On one hand, the welding method and the welding system can reduce the influence of the impurities of the scaling powder to welding quality, avoid a solder skip phenomenon caused by unevenly coated scaling powder, and improve the welding quality between battery pieces. On the other hand, in a scaling powder coating process, the welding method and the welding system remove the turning over operation of the battery pieces, and therefore reduce the fragment risk of the battery pieces.

The invention relates to a welding method based on an automatic battery electric-welding device. The welding method based on the automatic battery electric-welding device is mainly used for solving the technical problem of low working efficiency in the prior art. According to the welding method based on the automatic battery electric-welding device, the problem is solved by adopting the technicalscheme that the automatic battery electric-welding device comprises a feeding welding mechanism located in a support 1, two electric resistance welding mechanisms and a main air source on the support;the feed welding mechanism comprises a press-assembling part, and Z-direction feeding mechanisms which are symmetrical relative to the press-assembling part; an X-direction servo sliding rail is arranged at the lower end of the press-assembling part; the Z-direction feeding mechanism comprises a Z-direction servo motor, a Z-direction sliding block connected with Z-direction servo motor, a Y-direction driving mounting block located on the front face of the Z-direction sliding block and mounted through a fastener, a stroke-adjustable air cylinder arranged on the Y-direction driving mounting block, an air cylinder push block connected with the stroke-adjustable air through a buffer, and a welding head connected with the air cylinder push block through a welding head mounting block. The welding method can be used for automatic electric welding of batteries.

The invention provides a tab welding method. The tab welding method comprises the following steps: acquiring a first image of a pre-welding area, and processing and analyzing the first image to obtain related data; and carrying out real-time processing and analysis on the related data so as to guide real-time online adjustment of laser welding process parameters, specifically, the related data comprises one or more of the material height, the surface smoothness and weld joint coordinates. The first image of the pre-welding area is processed and analyzed to obtain necessary pre-welding information, so that the laser welding process parameters are adjusted in real time, the influence of material warping on the welding quality is reduced, real-time weld joint tracking is achieved, and the problem of welding deviation caused by wrong identification due to the fact that a liquid injection hole is not assembled in place during welding is solved.

The invention discloses an improved welding process for a casting block of a tail shield of a shield tunneling machine. The improved welding process comprises the following steps that steel plates areassembled according to a drawing to form the casting block; grooves in the two sides of the casting block are machined; and the side A of the casting block is welded through multi-layer single-pass and section-by-section backstep welding under a small current, the casting block is turned over after one layer is welded, the side B of the casting block is welded in the same way, and the step is repeated until two layers are welded on the side B and three layers are welded on the side A, so that welding of the casting block is completed. The improved welding process has the advantages that resources are saved, costs are reduced, and the quality is effectively controlled. Bending deformation of the casting block after welding is reduced, the leveling difficulty is reduced for rivet workers, the welding quality of the casting block is guaranteed, and unnecessary costs are reduced.

The invention discloses a welding process of a natural gas long-distance pipeline. The welding process involves long-distance pipelines and a communicating pipe; the communicating pipe is fixedly arranged between two adjacent long-distance pipelines in a sealing manner; a groove is formed in the long-distance pipelines; fixing frames are arranged on the two sides of the groove; each fixing frame comprises a fixing base, a left positioning ring and a right positioning ring; the left positioning ring and the right positioning ring are correspondingly and fixedly arranged on the fixing base through hinges; and the left positioning ring and the right positioning ring are positioned through fixing pins. The fixing frames are additionally arranged on the long-distance pipeline so as to achieve the purpose of fixing the long-distance pipeline, the precision of welding joints of a connecting pipe is improved, and the condition of an interface group is optimized; and in addition, the fixing frames can play a certain wind shielding role, so that the influence of the wind speed on the welding quality can be reduced as much as possible.

The invention relates to a welding fixture. The welding fixture comprises a workbench base, double-side welding combined clamping plates and sliding rails which are connected to the workbench base, a welding operating table used for placement of a weldment, brackets connected to the workbench base, a front fixture rotating plate and a rear fixture rotating plate which are connected via a rotating shaft and can rotate around the rotating shaft clockwise or anticlockwise, and slideable fixtures, sliding grooves and liftable supporting rods which are positioned on two sides of the front fixture rotating plate. According to the invention, the automaton of welding turnover is realized through rotation of the double-side welding combined clamping plates, the influence on the welding quality due to turnover originally is reduced, the operation of workers is simplified, only few manual operation is needed, requirements for the degree of proficiency and operating techniques are lower, the quality of welding products is guaranteed, and the welding efficiency and automation degree of double-side welding are improved.

The invention relates to automatic welding equipment for end sockets of an automobile radiator and belongs to the field of automatic welding equipment. The automatic welding equipment is composed of a base, a workbench, pneumatic clamps, a gantry type stand column and a welding mechanism. Compression of the end sockets and a core of the automobile radiator is achieved through the four sets of pneumatic clamps. In the welding process, a control system automatically controls the pneumatic clamps to be pressed and lifted respectively, and therefore the pneumatic clamps are prevented from colliding with a welding gun; besides, the three sets of pneumatic clamps are always kept in a compressed state, and thus welding deformation is reduced. At round corners of a rounded rectangle welding track, the welding mechanism with a rotating shaft achieves continuous welding of the round corners by means of rotation of the rotation shaft, and the welding gun is always kept in the ideal welding posture, so that improvement on the production efficiency and welding quality of a welding procedure of the end sockets of the automobile radiator is facilitated.

The invention relates to an automatic welding device and an automatic welding method for large-scale composite girder steel main girder assembly that can realize no blind area in the welding seam direction and is used for automatic welding of large composite girder steel main girder. The rack is fixed on one side of the track, and the walking trolley and track slider Connection, the track slider and the track slide and cooperate, the reducer is located on the traveling trolley and is driven by the traveling motor, the reducer drives the traveling gear, the traveling gear matches the rack and drives the traveling trolley to move on the track, the walking trolley and the y-axis are adjusted The mechanism is connected, the y-axis adjustment mechanism is connected with the z-axis adjustment mechanism, the z-axis adjustment mechanism is connected with the x-axis adjustment mechanism, and the x-axis adjustment mechanism is connected with the welding torch clamp.

The invention provides a manufacturing method for a power decentralization and centralization type transformer tank which comprises a tank body, assembly accessories and non-assembly accessories arranged on the tank body. The manufacturing method comprises the following steps: A, assembling and welding the tank body and the non-assembly accessories; and B, assembling and welding the assembly accessories on the tank body. Optimally, the assembly accessories comprise a mounting seat and an oil circuit connecting pipe; wherein, the mounting seat and the oil circuit connecting pipe are simultaneously welded in the end of the assembling and welding process. Accordingly, the invention minimizes the impact on the welding precision of the mounting seat, the oil circuit connecting pipe and other important assembly accessories caused by welding deformation and ensures the assembly and welding accuracy of the assembly accessories and the tank body so as to improve the passing rate of the products; besides, the invention can reduce the destressing adjustment and repair process after welding, shorten the working procedures and improve the production efficiency, and can easily achieve mass flowline production.

The invention discloses a welding tool clamp of an overhead cell support of a hybrid vehicle, and the overhead cell support of the hybrid vehicle comprises a pedestal (1) and an upper support body (2) arranged at the upper end of the pedestal. The clamp is characterized by comprising a clamp body (3), the pedestal (1) is fixed on the clamp body, a positioning element (4) is fixedly arranged at the upper end of the pedestal and horizontally limits the position of the upper support body (2), and the upper support body (2) and the pedestal are provided with clamping devices (5) for clamping the upper support body and the pedestal in a horizontal direction and a vertical direction. The clamp greatly lightens the physical work of the operating staff, improves the assembling and welding efficiency, controls or eliminates the thermal deformation of workpieces caused by welding, and reduces the instability of manual welding.

The invention provides a tube expander, a base and a straight tube expansion method. The base of the tube expander provided by the present invention includes: a base body, the base body has a placement groove for placing the flaring end of the straight pipe; a positioning column arranged at the bottom of the placement groove for cooperating with the inner wall of the straight pipe and positioning the straight pipe . The base of the tube expander provided by the present invention realizes the fixing of the flared end of the straight tube by setting a placement groove for placing the flared end of the straight tube, and a positioning column that cooperates with the inner wall of the straight tube and positions the straight tube, so that the straight tube can be fixed The flaring end is fixed on the base of the tube expander, so that the tube expander can simultaneously expand the tube and expand the other end of the straight tube, without first expanding the tube and then manually expanding the tube, which effectively improves the expansion efficiency of the straight tube ; It also avoids manual flaring and manual handling of straight pipes, which effectively reduces the labor intensity of the staff.

The invention discloses an auxiliary device for flat weld joint carbon arc air gouging and a use method thereof. The auxiliary device comprises a bracket for supporting a carbon arc air gouging torch and traveling wheels on the two sides of the brackets, wherein the bracket comprises a piece of supporting transverse steel and two pieces of vertical flat steel connected with the supporting transverse steel; the traveling wheels are arranged at the two ends of the supporting transverse steel; the upper ends of the two pieces of vertical flat steel are provided with mounting holes; a piece of round steel with external thread is connected with the two pieces of vertical flat steel through the mounting holes; one end of the round steel is provided with a pin cap, and the other end of the round steel is fixed through a fastening nut. According to the auxiliary device for flat weld joint carbon arc air gouging, the center of a gouging groove is overlapped with the center of a weld joint, so that the width and the depth of the gouging groove along the length of the entire weld joint are uniform, the influence of a non-uniform carbon gouging weld joint on the welding quality is effectively reduced, meanwhile, the working intensity of the carbon gouging workers can be reduced and the labor productivity is improved.

The invention discloses a method for assembling an upper support body of an overhead cell support of a hybrid vehicle and a special welding tool clamp used in assembly. The clamp comprises a clamp body (1), and is characterized in that a positioning element (2) is fixedly arranged at the upper end of the clamp body, a clamping device (3) is arranged at the outer side of the positioning element (2), the positioning element horizontally limits the position of each component on the upper support body of the overhead cell support of the hybrid vehicle, and the clamping device clamps the components on the upper support body of the overhead cell support of the hybrid vehicle in a horizontal direction and a vertical direction. The clamp greatly lightens the physical work of the operating staff, improves the assembling and welding efficiency, controls or eliminates the thermal deformation of workpieces caused by welding, and reduces the instability of manual welding.

The invention discloses a welding device suitable for an aerospace discontinuous lattice core-added double-skin barrel shell structure. The welding device comprises a bed body, and a welding mechanism and a workpiece positioning mechanism which are arranged on the bed body. The welding mechanism comprises a Y-axis support, a Y-axis servo motor, a Y-axis slide rail base, a Y-axis lead screw and a welding gun support, wherein the Y-axis servo motor and the Y-axis slide rail base are located on the Y-axis support, the Y-axis slide rail base comprises a Y-axis slide rail bottom plate and a Y-axis slide rail located on the Y-axis slide rail bottom plate, and the welding gun support is arranged on the Y-axis slide rail base. The workpiece positioning mechanism comprises a cross-shaped slide table and an electromagnetic suction cup arranged on the cross-shaped slide table. The influences of artificial factors on the welding quality are reduced to the maximum extent; by controlling the whole welding process and the whole workpiece automatic positioning process through a control system, the welding device has the advantages of being easy to operate, safe, reliable, high in automation degree, high in precision and efficiency and the like.

The invention discloses a CCD (Charge Coupled Device) galvanometer type laser welding device which comprises an LED lamp, a CCD image acquisition device, an image processing module and a galvanometer system, wherein the LED lamp is used for obliquely irradiating an electronic component pin from the side face of the electronic component pin to project the shadow of the electronic component pin onto a printed circuit board; the CCD image acquisition device is used for acquiring the image data of the electronic component pin through the light and shade contrast on the printed circuit board; the image processing module is used for calculating according to the image data to obtain a welding position coordinate of the electronic component pin and conveying the welding position coordinates to the galvanometer system; and the galvanometer system is used for emitting laser pulses according to the information of the welding position coordinate to smelt the electronic component pin material and form a welding spot on the printed circuit board. The invention also discloses a CCD galvanometer type laser welding method. The invention can dynamically and precisely control the welding position and is not easy to cause pollution.

The invention discloses an intelligent welding method for electrofusion pipe fittings. The method includes the steps of welding preparation, temperature rising period, constant-temperature period and welding completion. Resistance values of resistance wires of the electrofusion pipe fittings are controlled to further control temperatures of the resistance wires of the electrofusion pipe fittings so as to realize welding of the electrofusion pipe fittings. The intelligent welding method has the advantages that presetting of welding parameters before electrofusion welding is avoided, welding quality can be effectively improved, and doubling is prevented.