10results about How to "Reliable welding" patented technology

The utility model relates to a leakproof mucilage condenser which comprises a tank body, a mucilage inlet tank and a mucilage outlet tank, a plurality of inner pipes are arranged in the tank body side by side, a water inlet and a water outlet are arranged on the tank body, the mucilage inlet tank and the mucilage outlet tank are respectively arranged beside two ends of the tank body, and a first end and a second end of each inner pipe respectively extend out of two ends of the tank body. The first ends of the inner pipes are connected and communicated with the glue inlet tank, the second ends of the inner pipes are connected and communicated with the glue outlet tank, and a glue inlet and a glue outlet are formed in the glue inlet tank and the glue outlet tank respectively. The two ends of the inner pipe are designed to extend out of the tank body, the glue inlet tank and the glue outlet tank are arranged, and the two ends of the inner pipe are connected and communicated with the glue inlet tank and the glue outlet tank respectively, so that the two ends of the inner pipe are exposed out of the tank body, welding is more convenient and more reliable, and leakage is not prone to occurring; therefore, the possibility that water leaks from the outer pipe to the end of the inner pipe is eliminated.

This invention relates to a welding apparatus and method for nickel wire mesh in an alkaline water hydrogen production electrolytic cell. The apparatus includes a laser welding machine, a wire feeder, and a rotating platform, as well as an adjustable support, a laser welding torch, a wire feeding nozzle, a wire feeding tube, and a mesh pressing mechanism. The laser welding machine has a built-in laser welding torch, and the wire feeder has a built-in wire feeding tube and a wire feeding nozzle. The wire feeder contains welding wire, one end of which passes through the wire feeding tube and the wire feeding nozzle before extending out. The end of the welding wire is positioned above the edge of the nickel wire mesh but does not contact it. The adjustable support houses the laser welding torch, and a connecting ring is provided between the laser welding torch and the wire feeding nozzle. The end of the laser welding torch is positioned above the welding wire, and the focal center of the laser beam emitted from the end of the laser welding torch is located on the welding wire. The adjustable support can also be adjusted to connect a mesh pressing mechanism for pressing the edge of the nickel wire mesh. This invention arranges the welding wire above the edge of the nickel wire mesh, and the welding wire melts and drips onto the edge of the nickel wire mesh when heated, facilitating welding without melting the nickel wire mesh.

The application discloses a flexible circuit board based on ultrasonic welding conduction, which comprises a main circuit layer, a power circuit layer, a first solder resist layer and a second solder resist layer, the main circuit layer is composed of a plurality of circuit units, a single circuit unit comprises a positive metal foil, a negative metal foil and a plurality of connecting metal foils, the opposite sides of the positive metal foil and the negative metal foil are respectively provided with welding ears, and two straight line circuits of the power circuit layer are respectively connected with two welding ears of each circuit unit through ultrasonic welding to realize conduction; the first solder resist layer is arranged on the outer side of the main circuit layer, and a plurality of pad windows are arranged on the first solder resist layer; and the second solder resist layer is arranged on the outer side of the power circuit layer. Through ultrasonic welding, the two welding ears of each circuit unit of the main circuit layer and the two straight line circuits of the power circuit layer are welded and conducted, the problem that different conductors are difficult to be welded and conducted can be overcome, the welding is firm, and the reliability of the welding can be fully ensured.

The utility model belongs to water pump technical field especially points out a kind of welding pump cylinder for horizontal multistage pump, including the hollow and both ends open cylinder and the water inlet body being arranged in the left end of cylinder, be equipped with water outlet pipe on the cylinder, be equipped with water inlet pipe on the water inlet body, the left end of cylinder is bent to form annular plate one inward, the water inlet body is fixed on annular plate one by welding.The utility model can freely lengthen the length of cylinder, when needing to lengthen pump cylinder length, only need to lengthen the length of cylinder, water inlet body does not change, need not to open mould again, and cost is low.

The utility model discloses a battery holder which comprises a base, a cover body, a positive plate and a negative plate, the base is provided with an accommodating cavity for mounting a button battery, and a positive pole mounting groove and a negative pole mounting groove are formed in the bottom of the accommodating cavity; the cover body is mounted on the base in a manner of opening or closing the accommodating cavity; the positive plate is arranged in the positive mounting groove; and the negative plate is arranged in the negative mounting groove. The fixing ribs are arranged on the peripheral side face of the cover body in an outward protruding mode, when the cover body closes the containing cavity, the fixing ribs make close contact with the inner wall face of the containing cavity, the acting force between the cover body and the base is improved, the cover body and the base are matched more firmly and reliably, the cover body is effectively prevented from falling off from the base, and the service life of the cover body is prolonged. The first through hole is formed in the positive electrode welding pin, the second through hole is formed in the negative electrode welding pin, and the first through hole and the second through hole are filled with tin liquid during tin soldering, so that the acting force between the tin ball and the positive electrode plate and the acting force between the tin ball and the negative electrode plate are greatly increased, and the welding between the battery holder and the PCB is firmer and more reliable.

The invention relates to the technical field of thread spinner welding, and discloses a thread spinner bracket welding device which comprises a support and a welding frame fixedly connected to the front end of the support, the bottom of the welding frame is provided with a collecting cavity with an opening in the front side, a slag discharging opening is formed in the front wall of the middle of the welding frame, and a slag box is slidably clamped to the front wall of the middle of the welding frame; a slag guide plate is rotationally connected to the inner wall of the middle of the welding frame, a welding cavity penetrating front and back is formed in the top of the welding frame, a welding assembly is arranged on the left side of the welding cavity, and a U-shaped plate is fixedly connected to the inner wall of the rear side of the welding cavity. According to the welding device, after the main bracket and the branch bracket are pre-positioned through the oval pipe and the half supporting pipes, the adjusting assembly is matched to drive the positioning assembly to operate, positioning welding of the bracket can be achieved, welding is reliable and good in quality, welding slag can be guided out and collected during welding, and after welding is completed, the adjusting assembly can control automatic releasing and collecting of the bracket; and therefore, the welding machining efficiency of the bracket is greatly improved, and the cleaning burden of welding slag is reduced.

The invention relates to the technical field of gantry welding machines, and discloses a gantry welding machine for producing electric power steel pipe poles, which comprises a gantry frame, a fixed frame is fixedly mounted at the top of the inner side of the gantry frame, a rotatable rotating ring is mounted on one side of the fixed frame, and an inserting block capable of reciprocating is mounted on the rotating ring; a fixed block is fixedly installed at the end, located in the rotating ring, of the inserting block, a sliding plate capable of moving in a reciprocating mode and an inverted-U-shaped block are installed on one side of the fixed block, a laser welding gun is installed on the side, away from the second electric telescopic rod, of the inverted-U-shaped block, and a regular dodecagon groove is formed in one side of the fixed frame. A first roller located in the regular dodecagon groove is rotationally installed on the other side of the inserting block. The gantry welding machine is provided with the plasmon coil welding structure, and the plasmon coil welding structure can be adjusted according to pipe rods with different diameters and keep fixed defocus, so that stable coil welding operation is carried out, and the welding quality is effectively guaranteed.

A new heating furnace wire lead welding structure, including the spiral furnace wire installed on the furnace wire loading porcelain pipe and the furnace wire lead wire electrically connected with the spiral furnace wire, the outgoing line end of the spiral furnace wire is formed by the bending mode to form a bending section, the transition connecting sleeve is fixedly connected with the end of the bending section, and the transition connecting sleeve is welded with the furnace wire lead wire into an integrated structure. The utility model discloses through optimization design, and the outgoing line end of the furnace wire is bent into the character type lower end and is arranged together with the end of the furnace wire lead wire and is welded through the transition connecting sleeve, so that the outgoing line end of the furnace wire is bent into the character type and offsets the furnace wire lead wire extension caused by the thermal expansion of the furnace wire lead wire, avoids the occurrence of the situation that the furnace wire lead wire extension caused by the thermal expansion pulls the spiral furnace wire, causes the end furnace wire to shake the circle, separates the furnace wire loading porcelain pipe, causes the contact short circuit between the furnace wire and other parts, improves the firmness of the furnace wire connection, and increases the service life of the furnace wire.

The invention discloses an inductor terminal with a U-shaped groove fixing structure and a gap positioning hole, and relates to the field of inductor terminals, the inductor terminal comprises an inductor terminal body and a U-shaped groove, the inductor terminal body comprises an upper terminal pin position, a lower terminal pin position and a fixing strip, the upper terminal pin position and the lower terminal pin position are installed at the two ends of the fixing strip respectively, and the U-shaped groove is formed in the U-shaped groove. A first terminal pin, a second terminal pin, a third terminal pin and a fourth terminal pin are symmetrically installed on the periphery of the width center position of the fixing strip, the inductance terminal with the U-shaped groove fixing structure and the gap positioning holes is low in cost, the product quality of the integrally-formed inductance terminal is improved due to the fact that the size and the structure of the bottom piece are changed, and the product quality is improved. Meanwhile, the U-shaped groove is added, the U-shaped groove can fix opening and winding of the coil, after laser welding, it is ensured that the lead can be completely conducted with the inductor terminal body, and the lead can be firmly fixed to the upper terminal pin position and the lower terminal pin position of the inductor terminal body without any deviation.

This utility model discloses a circuit board and its pad structure. The pad structure is an elongated structure, and at least one of the long and short sides of the elongated structure has a notch structure. The notch structure is located at the midpoint or approximately the midpoint of its side. The notch structure is used for ball bonding and forming a moving channel for the solder ball. The solder ball moves to the back of the pad structure through the moving channel, and then forms a reliable solder connection with the motherboard on the back of the pad structure. The length of the long side is L, the width of the short side is W, and L / W ≥ 1.25.