398results about How to "Fast soldering" patented technology

The invention discloses a manufacturing technique for a composite board and belongs to the technical field of composite metal strip rolling. The manufacturing technique comprises the following steps implemented successively: joint surface machining, end surface machining, press fit, blank assembly, vacuum pumping and inert gases filling, heating, hot rolling and verifying. By means of the manufacturing technique, the machining accuracy is improved, and volume production of carbon steel-stainless steel composite boards is achieved; simultaneously, air in a combination blank is replaced through vacuum pumping and inert gases filling, oxidization of interfaces of the combination blank is prevented in a subsequent heating process, a little of residual air between the composite interface and two layers of stainless steel interfaces can be squeezed into an air storage bag gradually along with the moving of a roller and the composite blank simultaneously, and the residual air is prevented from expelling a separating agent or oxidizing the composite interfaces, accordingly, the joint of the finished composite slab is improved effectively, and the quality of the composite slab is further improved.

The invention relates to a submerged-arc welding process of a large-size cylinder body, comprising the following steps of: firstly laying a standard operation platform at a construction field, erecting a submerged-arc welding bracket and installing an electric rotator on the standard operation platform, and arranging an automatic welding operation platform on the submerged-arc welding bracket; then horizontally placing the cylinder body to be welded on the electric rotator, wherein the electric rotator drives the cylinder body to rotate during rotation; installing a travelable submerged-arc welding trolley at the lower part of an inner ring welding line when the inner ring welding line is welded, wherein the traveling speed of the submerged-arc welding trolley is equal to the rotating speed of the electric rotator, and the submerged-arc welding trolley and the electric rotator are inversed in motion directions so that the submerged-arc welding trolley is positioned on the welding line position of a starting point of the lower part of the cylinder body all the time; and placing the submerged-arc welding trolley on the automatic welding operation platform when an outer ring welding line is welded, wherein the electric rotator drives the cylinder body to rotate, and the submerged-arc welding trolley is in a static state. The invention realizes the purpose of automatic welding through the rotation of the cylinder body and the coordination of the submerged-arc welding trolley, greatly reduces the labor intensity of welders, also enhances the welding efficiency and the welding quality and has very high practical value.

The invention discloses a welding machine tool. The welding machine tool comprises a machine tool body and a control system; a main spindle box, a tail base mechanism and a welding mechanism for performing the welding operation are arranged on the machine tool body; the control system is connected with the main spindle box, the welding mechanism and the tail base mechanism, the welding mechanism is arranged between the main spindle box and the tail base mechanism; the main spindle box is fixed on the machine tool body, and the welding mechanism and the tail base mechanism are glided along the length direction of the machine tool body. The welding machine tool has variable functions, and not only can satisfy spot welding, simple linear welding and simple arc welding but also the welding of spiral vanes with different length requirements; the welding machine tool is simple in mechanism, convenient to operate, and high in efficiency; the welding machine tool has very big economic benefit and is worth to be popularized.

The invention discloses a quick precision mold preparation method which comprises the following steps: 1, constructing a three-dimensional model, and partitioning into part modules; 2, performing laser sintering to prepare part modules; 3, performing ultrasonic welding on the part modules. By adoption of laser sintering for manufacturing a mold, the mold materials are readily available, waste is avoided, and the cost is low; after 3D modeling, a prototype with complicated structure can be quickly manufactured; by adoption of partitioning design, the whole mold is split and then subjected to ultrasonic welding after laser sintering, so that the preparation requirement of a large-size mold can be met. The ultrasonic plastic welding has the advantages that the welding speed is high, the welding intensity is high, and the sealing property is high; polystyrene is colorless transparent thermoplastic plastic, has glass conversion temperature higher than 100 DEG C, is stable and quick in sintering and small in shrinking percentage fluctuation which is generally 0.2-0.6 percent; ultrasonic welding is pollution-free, and a workpiece cannot be damaged; the welding process is stable.

The invention provides a vacuum welding furnace and a welding technology, and belongs to the technical field of vacuum welding. The vacuum welding furnace is characterized in that one end, close to the feeding end, of a welding platform (20) is used as a heating area; one side, close to the discharging end, of the welding platform (20) is used as a cooling area; a negative pressure pumping module(9) is arranged at the upper side of one end, close to the cooling area, of the heating area, and the negative pressure pumping module (9) is mounted on a furnace cover (4) by lifting; the bottom partof the negative pressure pumping module (9) and the heating area encircles a closed negative pressure chamber; a protecting gas inlet pipe is arranged on a welding chamber (18) or the furnace cover (4). According to the vacuum welding furnace, material sheets can be heated through the heating area, so that the material sheets can be quickly welded in the negative pressure chamber; protecting gasis charged, so that the material sheets are prevented from reacting with oxygen during being heated; the material sheets can be cooled and prevented from being oxidized through the cooling area. According to the welding technology, the welding time is decreased; the welding is accelerated; with the adoption of the cooling area, the material sheet can be completely cooled and is prevented from deformation caused by excessively quick cooling.

The invention aims to overcome the defect that the large-aperture PVC pipe is difficult to produce in the prior art and provides a dynamic forming method and device for a large-diameter PVC pipe. The forming device comprises an extruder, a baking oven, an ultrasonic welding device and a large-diameter roller mould. Plasticizing extrusion is performed on PVC special materials by an extruder, the PVC special materials are transferred through a conveying belt, and are heated again through the baking oven on the conveying belt, meanwhile, a motor pulls the materials at a high speed, so as to enable the materials to be oriented in the extrusion direction, finally, the materials are wound on the surface of the large-diameter roller mould, the mould rotates while performs rectilinear motion forwards, the component force for mould performing rectilinear motion enables the materials to be oriented in the axial direction of the mould, the gapes among materials are welded and sewed through the ultrasonic welding device, a cylindrical welding head is pressed on the PVC material and rotates together with the mould, so that synchronous extrusion winding and welding are achieved, and the cycle is shortened greatly due to continuous production. The mould is shrinkable, the demoulding is convenient, and when the PVC-O pipe with the diameter of 2,000 or even larger is produced, all that is needed is to replace the roller mould with larger diameter.

The invention relates to an efficient shape welding machine and a using method thereof. The efficient shape welding machine comprises a working platform, wherein a rotary barrel is arranged on the working platform; a magnet of which the section is circular-arc-shaped is arranged in the rotary barrel, so that the outer circumferential wall of a welded part is fixed on the inner side arc face of the magnet; and a support frame for fixing a welding gun is arranged beside the rotary barrel. The method comprises the following steps of: I, adsorbing a welded part onto the inner circumferential wall of the magnet to realize fixing of the welded part; II, covering a separation blade for matching the separation blade with the magnet to sleeve the outer circumferential wall of the welded part; III, adjusting relative positions of a vertical rod, a first slide block and a swing stem to make a circular tube reach a corresponding position and position the welding gun erected on the circular tube at a welding position; and IV, starting the welding gun and a driving motor, wherein the driving motor is used for driving the rotary barrel to rotate for driving the welded part to rotate, and the welding gun is used for welding the welded part at the welding position through the driving motor, so that welding work of bent parts can be finished conveniently and rapidly.

A connector and a contact wafer. The connector (1) comprises contacts one on top of another and in parallel and the wafer body (8) comprises at least one channel (9) which is arranged between contacts (4) arranged in parallel and extends to the lower surface of the wafer body (8).

The invention discloses panel positioning components of a trailer frame assembly splicing welding system. The number of the panel positioning components is multiple, and the multiple panel positioning components are arranged on the upper surface of a workpiece supporting plate (31), and the panel positioning components comprise compression devices (32) and positioning devices (33); each compression device comprises a supporting base fixedly installed on the workpiece supporting plate, a stretchable control mechanism installed on the supporting base and a pressing head installed on the stretchable control mechanism, the compression directions of each compression device at least comprise the horizontal direction and the vertical direction, the compression devices are symmetrically arranged with respect to a positioned panel, and the pressing heads are oppositely arranged; and each positioning device comprises a large beam positioning mechanism, a transverse beam positioning mechanism and an edge beam positioning mechanism. By means of the panel positioning components of the trailer frame assembly splicing welding system, overall and quick splicing and welding of a trailer can be achieved, and the splicing and welding efficiency is high.

A hot air welding nozzle for a hot air welding device for welding overlapping webs of sealing material, in particular webs of bitumen. The hot air welding nozzle includes a connection for a hot air supply, a top and a bottom heat plate forming an air space, and at least one rear outlet between the top and bottom heat plate on a facing side that is oriented in a direction opposite to the moving direction of the hot air welding device, with at least one front outlet relative to the moving direction of the hot air welding device, and with air guides that extend beyond the facing sides of the heat plates, at least on the inner side, i.e. the side facing away from the connection for a hot air supply. With the hot air welding nozzle designed as proposed by the invention, and/or a hot air welding device of appropriate design, it is now possible to weld webs of sealing material, in particular webs of sealing material made of bitumen, considerably faster due to the long pre-heating zone.

The invention relates to a welding clamp of a water pump impeller. The welding clamp comprises a rotating base, a mold seat, a pressing and rotating device, a friction transmission pair, a portal frame, a discharging device and a one-dimensional numerical control workbench. The mold seat is mounted on the rotating base and is coaxial with the rotating base, and the rotating base is mounted on the one-dimensional numerical control workbench. The pressing and rotating device is mounted on the portal frame. One end of the friction transmission pair is mounted on the pressing and rotating device, and the other end of the friction transmission pair is mounted on the mold seat. The discharging device is mounted on the lower portion of the rotating base. The portal frame is mounted above the rotating base in a stretching-over manner. It can be guaranteed that a rotating shaft of the pressing and rotating device and the rotating base are coaxial by adjusting the portal frame and the pressing and rotating device. Compared with a traditional welding device, the welding clamp is simple and fast in clamping and accurate in locating; through combination with the modern laser welding process, fast welding can be achieved; the welding quality is reliable; the zero rejection rate is achieved; the production efficiency is high; and the labor intensity is low.

The invention discloses a numerical control flange assembly special welding machine. The numerical control flange assembly special welding machine comprises a base, a machine case, a self-aligning chuck, a Z-axis servo motor, a Z-axis reducer, a numerical control operating machine, an X-axis ball screw, an X-axis linear guide rail, an X-axis servo motor, a Y-axis servo motor, a Y-axis ball screw, a Y-axis linear guide rail, a welding gun, a welding unit, a welding wire, a protective gas cylinder, an oscillator and a universal bracket. Compared with the prior art, the numerical control flange assembly special welding machine has the advantages that the numerical control operating machine simultaneously controls the X-axis servo motor, the Y-axis servo motor and the Z-axis servo motor to achieve three-axis linkage, and the three-axis linkage and the universal bracket can bidirectionally adjust the optimal butt jointing positions of the welding gun, the flange of a steel pipe pole and the welding joints of rib plates.

The invention relates to a low-temperature quick welding method for zirconia or zirconia-based composite materials. According to the facts that zirconia or zirconia-based composite materials can perform mass transfer through spreading, and then diffusion bonding between the materials is formed, quick mass transfer can be achieved in the zirconia or zirconia-based composite materials when the density of current passing the materials is larger than a critical value. The critical electric field assisting method is adopted, and quick welding between zirconia materials or between zirconia and zirconia-based composite materials or between the zirconia-based composite materials is achieved by applying preset pressure at the temperature of 500-1200 DEG C and with the density larger than the critical current density.

The invention relates to a method to conductively connect an electrical component with at least one conductive layer, whereby the conductive layer is applied to a substrate which is essentially transparent in the visible wavelength zone of light, comprising the following steps: the electrical component or the conductive layer is provided with a soldering material in the area where the component is to be connected to the conductive layer; the soldering material is provided with energy supplied by an energy source, such that the soldering material melts and a non-detachable, material-bonded conductive connection between the electrical component and the conductive layer is established.

The invention relates to electric welding equipment and particularly relates to rapid steel pipe electric welding equipment for an iron and steel plant. The technical problem to be solved by the invention is to provide the rapid steel pipe electric welding equipment for the iron and steel plant, which is capable of saving time and labor in a working process and realizing welding by automatically rotating a steel pipe. In order to solve the technical problem, the invention provides the rapid steel pipe electric welding equipment for the iron and steel plant. The rapid steel pipe electric welding equipment comprises a bottom plate, supporting plates, first supporting seats, supporting platforms, second supporting seats, first rotating shafts, first turning wheels, first driving strips, connecting plates, first sliding rails and the like; the left and right sides of the bottom plate are provided with the supporting plates in a welding way; first through holes are formed in the lower sides of the supporting plates; and the lower side walls of the first through holes are provided with the first supporting seats in a welding way. By using the rapid steel pipe electric welding equipment, the effects of saving time and labor in the working process and realizing welding by automatically rotating the steel pipe are achieved, and a way of rotating a placing ring after carrying out alignment by placing the steel plate on the placing ring is adopted.

The invention provides an automatic scaffold welding machine. The welding machine is used for automatic welding of a main steel pipe serving as a vertical rod in a steel pipe scaffold with socket andspigot joints and a socket pipe and an U-shaped socket part. The welding machine comprises a base, the front side of the base is provided with a three-shaft position-changing device for switching a feeding station with a workpiece to be welded and a welding station and realizing rapid welding of the two surfaces of the workpiece to be welded through 180-degree-rotation of the welding station; twogantry type welding gun supports which are vertically arranged are installed on the two sides of the rear side of the base, a cross frame beam is arranged between the two welding gun supports, and thecross frame beam is provided with a spot welding mechanism which is used for carrying out spot welding on the socket pipe which is at the welding station of the three-shaft position-changing device and fixed on the main steel pipe and a multiple sets of double-gun welding mechanisms which are used for simultaneously welding weld joints of all U-shaped socket parts; and one end of the cross framebeam is provided with a welding gun walking mechanism which is used for pulling the multiple sets of double-gun welding mechanisms to move at the same time to carry out welding on the welding joints of all the U-shaped socket parts correspondingly. The invention further provides a welding method of the automatic scaffold welding machine.

A method of welding two adjacent components together includes determining geometrical dimensions of the components to be welded and determining material properties of the components to be welded. The method includes selecting an optimised weld torch velocity and voltage by selecting an iteration parameter of weld torch velocity and voltage, and calculating an expected heat flux distribution that will be generated in components during a welding process as a function of the geometrical dimensions of the components and the material properties of the components. The heat flux distribution is constrained to be ellipsoidal in an initial weld region and conical in the remainder of the weld. The method includes iterating using the iteration parameter until an optimised weld torch velocity and voltage is obtained. The welding torch is then set to weld the components at the determined optimum velocity and voltage.

The invention discloses a storage battery pre-packaging treatment production line which comprises a rack. A charging screw disassembling device, a cap device, a film tearing device, a cover plate covering device and a cover welding device are sequentially arranged on the rack from back to front. According to the storage battery pre-packaging treatment production line, two charging screws on a storage battery can be efficiently disassembled, each acid adding hole on the storage battery can be effectively covered with a sealing cap, whether the charging screws on the storage battery are disassembled and whether the sealing cap on each acid adding hole is covered well can be detected, after detection, an unqualified storage battery can also be sorted out to avoid influence of the unqualifiedstorage battery on the back-end processing, a protection film on the storage battery can be efficiently torn, the storage battery can also be rapidly cleaned and air-dried, a cover plate groove on thestorage battery can be efficiently covered with a cover plate, and the covered cover plate can also be welded in the cover plate groove, so that labor cost of storage battery pre-packaging treatmentis greatly reduced, and working efficiency is also greatly improved.