120 results about "Welding" patented technology

In an optical component where fixation of resin welding is performed by emitting a laser beam to screwing parts of an inner lens barrel and an outer lens barrel after focus adjustment, the laser beam is emitted to melt and cure a joint of the screwing part of the inner lens barrel and the screwing part of the outer lens barrel by 0.5 mm to 3.0 mm in a direction parallel to a direction of protrusion of the inner lens barrel relative to the outer lens barrel, so that welding and fixation are completed.

The present invention relates generally to both a system and method for visually (e.g., via a video-based system or some other visual system) monitoring one or more objects where such objects are obscured by a high intensity light source such as a plasma, flame, or welding arc. In one embodiment, a system in accordance with the present invention comprises a digital camera, at least one light emitting diode (LED) light source, and at least one filter. In another embodiment, a system in accordance with the present invention comprises a digital camera, at least one light emitting diode (LED) light source, and at least one filter selected from a notch filter, a neutral density filter, or combinations thereof. Additionally, the system of the present invention can further include software designed to process, interpret and/or collect various data captured by the visual monitoring, or, imaging, system of the present invention.

The invention provides an asphalt modified thermoplastic polyolefin water-proof coiled material and a preparation method thereof; the coiled material is characterized by consisting of an upper surface layer, a main body layer and a reinforcing layer; the upper surface layer is made from white or colored thermoplastic polyolefin with excellent ultraviolet radiation resistance, the main body layer is made from black asphalt modified thermoplastic polyolefin, and the reinforcing layer consists of a middle reinforcing layer and a surface lining layer which are arranged as required. The asphalt modified thermoplastic polyolefin water-proof coiled material has the advantages of good processing property, excellent mechanical property, high tension strength, good dimensional stability, strong puncture resistance, good ultraviolet radiation resistance, small specific gravity, capacity of realizing convenient seam suturing welding of the main body and recoverable tailing and excessive materials, and the like.

The invention discloses a swing type clamping one-way fuse tube electric wire welding production line. The swing type clamping one-way fuse tube electric wire welding production line comprises a cuboid moving base, wherein moving mechanisms are arranged at four corners of the lower surface of the outside of the moving base; a swing clamping feeding mechanism, a wire twisting mechanism, a terminal crimping mechanism, a rotary capturing mechanism and a welding mechanism are arranged on the upper surface of the moving base; the wire twisting mechanism is arranged between the swing clamping feeding mechanism and the terminal crimping mechanism; the height of the wire twisting mechanism is greater than the height of the swing clamping feeding mechanism and the height of the terminal crimping mechanism; the welding mechanism is positioned at the rear of the terminal crimping mechanism; and a controller is arranged on the outer surface of the moving base and is electrically connected with the swing clamping feeding mechanism, the wire twisting mechanism, the terminal crimping mechanism, the rotary capturing mechanism and the welding mechanism respectively. The swing type clamping one-way fuse tube electric wire welding production line has the beneficial effect of simple structure and high practicality.

A mineral methane gas drainage pipe comprises a pipe body, wherein two ends of the pipe body are welded with flanges or fast joints, and the pipe body is formed by welding a carbon structural steel cold rolled steel strip, a stainless steel strip and a stainless steel composite steel strip in spiral winding mode. For every two adjacent steel strips, one steel strip is subjected to flanging, the steel strip and the other steel strip are subjected to flanging overlapping, and simultaneously a unique reinforced vault rib structure is formed through spiral winding welding. Whether to coat materials not generating gases hurting human bodies and having a good flame retardant effect on an inner layer and an outer layer of a main body is determined according to difference in materials, and the pipe body is led to be corrosion resistant, antistatic and long in service life. The pipe body is light in weight due to the fact that the pipe body is formed by welding the steel strips in spiral winding mode, and the self-designed fast joints lead the pipe body to have good sealing performance and high pressure loading capacity.

The invention discloses a longitudinal short rib feeding and distributing device and method used during welding of steel bar meshes, and belongs to the field of steel bar welding. A steel bar liftingdevice is arranged in a steel bar hopper, a chain conveying device is arranged behind the steel bar lifting device, a steel bar interval transfer device is arranged below the chain conveying device, the transfer end position of the steel bar interval transfer device is the steel bar distributing position of longitudinal steel bars, a plurality of steel bar lifting and supporting devices are arranged at the steel bar distributing position, and a plurality of longitudinal steel bar longitudinal carrying devices are movably arranged above the steel bar distributing position. By means of the longitudinal short rib feeding and distributing device and method, the installation height of the short steel bar hopper is reduced, alarms or shutdowns caused by improper arrangement in the short steel bar supply process are reduced, longitudinal transportation errors at the steel bar distributing position are reduced, the convenience of feeding is improved, and the production efficiency is improved.

The invention belongs to the technical field of mask production equipment, and particularly relates to an ear band continuous welding machine. The ear band continuous welding machine includes a firstbracket, a first feeding mechanism, a feeding mechanism, a second feeding mechanism, a welding assembly and a conveying mechanism; the first feeding mechanism is arranged at the top of the first bracket for receiving incoming materials of ear bands; the feeding mechanism is arranged below the first feeding mechanism for conveying ear band lines, and the feeding mechanism includes a rotating frame,a plurality of elastic ear band mechanisms and a plurality of pressing-shearing welding mechanisms; all the elastic ear band mechanisms and all the pressing-shearing welding mechanisms are alternately arranged on the rotating frame, and the rotating frame is rotatably connected with the first bracket; and the second feeding mechanism is arranged beside the rotating frame for receiving incoming materials of a mask body; the welding assembly is arranged under the rotating frame for welding the ear band lines to the mask body; and the conveying mechanism is arranged between the rotating frame and the welding assembly for conveying a finished product. According to the ear band continuous welding machine, the elastic ear band mechanisms and the pressing-shearing welding mechanisms enable the whole ear band continuous welding machine to greatly improve the work efficiency.

The invention provides a flat-type-type water sublimation cold plate for aerospace radiation. The flat-type-type water sublimation cold plate is composed of a cover plate, a teflon cushion block, a sealing ring, a perforated plate, a metal foam or micropore fin, a base body, a water supply channel sealing pressing plate, a water supply pipeline, a connecting bolt and a lock nut. A water supply channel is formed in the bottom face of the base body in the circumferential direction. The installation space matched with the metal foam or micropore fin, the perforated plate and the sealing ring is reserved in the upper surface of the base body. The metal foam or micropore fin is located inside the installation space, the perforated plate is located above the metal foam or micropore fin, and the metal foam or micropore fin is compressed onto the base body through welding of the perforated plate and the base body. A plurality of through holes are formed in the contact face of the base body and the metal foam or micropore fin in the thickness direction. The through holes are communicated with the water supply channel. A reinforcing rib and an air outlet channel are arranged on the cover plate. According to the flat-type-type water sublimation cold plate for aerospace radiation, the triple-point characteristics of water working media are utilized for sublimating the water working media through the structural design, and therefore the radiating function is achieved.

The invention relates to the field of welding equipment, in particular to full-automatic welding machine. The full-automatic welding machine comprises a material feeding device, a welding accessory feeding device, a welding device, a discharging device and a circular turntable, wherein the material feeding device, the welding accessory feeding device, the welding device and the discharging device are all arranged beside the turntable; a plurality of placing rods sleeved by materials are arranged at the edge of the top of the turntable; the discharging device comprises a third rotating device, and a second material conveying device which is used for transferring welded materials on the placing rods to the rotating device; the third rotating device rotates the materials from a vertical state into a horizontal state; the third rotating device comprises second transitional rods for inserting the materials; a material returning device for taking down the horizontally arranged materials on the second transitional rods is arranged beside the third rotating device; a tubular material welding mode is a double-stroke welding mode, so that the welding efficiency is improved, and the welding density is precisely controlled; and an accurate material feeding and discharging mode of tubular materials reduces the material feeding and discharging error rate.

The invention discloses a manufacturing method of an implantable artificial retina ceramic packaging body. The method comprises the following steps: 1, providing a ceramic substrate with at least one through hole; 2, filling the through hole with a conductive slurry with biological compatibility, and sintering both the conductive slurry and the ceramic substrate; 3, forming conductive welding discs with biological compatibility on the upper surface and the lower surface of the conductive slurry exposed outside the through hole after sintering in the second step; 4, arranging a metal ring with biological compatibility on the ceramic substrate, wherein the metal ring surrounds all the conducive welding discs disposed at the same side of the ceramic substrate; and 5, arranging a metal cover with biological compatibility on the metal ring to form an enclosed space accommodating a circuit board. According to the invention, the packaging body manufactured by use of the method is high in airtightness, prevents a human body from damage caused by penetration of incompatible substances in the packaging body into a body fluid and is good in biological compatibility. The difficulty in a manufacturing process is quite low, and the method is easier to promote.

The invention relates to a back contact solar cell string, a preparation method thereof, an assembly and a system. The back contact solar cell string comprises back contact solar cells and conductive members used for the electric connection of the back contact solar cells. An emitting electrode p+ region, an emitting electrode contact electrode arranged on the emitting electrode p+ region, a base electrode n+ region and a base electrode contact electrode arranged on the base electrode n+ region are alternately arranged on the back surface of the back contact solar cell. An emitting electrode insulating baffle layer arranged on the emitting electrode contact electrode and a base electrode insulating baffle layer arranged on the base electrode contact electrode are further arranged on the back surface of the back contact solar cell. The emitting electrode contact electrodes and the base electrode contact electrodes of adjacent back contact solar cells are electrically connected through the conductive members, and in this way, the back contact solar cell string is formed. The back contact solar cell string has the technical effects that welding for the serial connection between the cells is replaced by the insulating baffle layers and the conductive members, the process flow is simple, high precision welding equipment is not needed, and the filling factor of the assembly is improved.

The invention provides an embedded smart card. The embedded smart card comprises a card substrate of any shape and an antenna circuit module, wherein the antenna circuit module is arranged on the card substrate; an embedding hole used for arranging the antenna circuit module is reserved on the card substrate; and the shape of the embedding hole is matched with the outer contour of the antenna circuit module. The antenna circuit module is an insulator, is fixedly arranged in the embedding hole and is detachably connected with the card substrate. The invention also provides a manufacturing method for the embedded smart card, which comprises the following steps of: selecting the ordinary card-shaped card substrate made of a special material according to the occasion at which the card is used and the application of the card; correspondingly reserving a circular embedding hole matched with the card substrate on the card substrate according to the size and the shape of the antenna circuit module; aligning and positioning the antenna circuit module and the embedding hole on the card substrate; curing the antenna circuit module in the embedding hole reserved on the card substrate by a method of high-frequency welding or hot stamping; and performing function expansion and beautification on the card substrate and the antenna circuit module.

The invention discloses a combined splicing tubular pipe. The combined splicing tubular pipe comprises at least two hollow pile bodies which are sequentially connected with each other, and is characterized by also comprising at least one steel tube body, the steel tube body is a hollow cylinder and sleeved on the outer circumference of the junction of two adjacent hollow pile bodies of the combined splicing tubular pile, the steel tube body is provided with a plurality of plug welding holes, and the steel tube body is connected with the hollow pile bodies through the plug welding holes in a welding manner. The inner side wall of the steel tube body is connected with the tail part of one pile body in a welding manner and then connected with the head of another pile body in a plug welding manner. The pile for the irrigation works is simple in pile splicing operation, high in carrying capacity and strong in bend resistance; the steel tube body is added on the junction of the two pile bodies, so that the carrying capacity of the pile for the irrigation works can be increased; the steel tube body is provided with the plug welding holes, and the steel tube body is connected with the pile bodies in the plug welding manner, so that convenience in welding is achieved, and time and labor are saved.

The invention provides an automatic welding method and a system for an LED module connecting lead. The automatic welding method for the LED module connecting lead comprises the steps of tin paste printing, fixture aligning, fixture moving, lead cutting, lead moving, lead falling, lead pressing, accurate positioning and automatic welding. In order to implement the automatic welding method for the LED module connecting lead, the invention comprises the following components: a servo motor control component, a production line component, a fixture, a component of an automatic lead stripping machine, a lead segment moving and arranging control component, a lead pressing wheel component, a positioning component and an automatic welding component. According to the automatic welding method and the system, soft LED module connecting leads can be regularly and orderly arranged on the fixture, thereby greatly improving the production efficiency and the quality of products and reducing the production cost.

The invention discloses an improved welding mold for welding a semiconductor power module and belongs to the field of tools and molds for manufacturing semiconductor power devices. The welding mold is obtained through improvement of an original welding mold, stand columns are vertically fixed to the two ends or the periphery of a lengthened welding mold base, the lower end of each stand column is sleeved with an upper backing ring, the upper end of each backing ring is sequentially sleeved with a lower pressing plate, a lower spring, an upper pressing plate and an upper spring, the other end of each upper pressing plate and the other end of each lower pressing plate press an electrode positioning plate and a chip positioning sheet respectively, and an adjusting nut is screwed onto the upper end of each stand column to adjust the pressure of the corresponding upper spring and the corresponding lower spring; each module electrode and each welding mold positioning stand column are sleeved with the electrode positioning plate, a gap bridge compression bar which can move up and down and is provided with a gap bridge compression spring is placed over each gap bridge, and each gap bridge compression bar is guided through a gap bridge compression bar guiding pipe. The welding mold is simple in structural design, practical, small in part number, low in cost increase, convenient to use, and capable of preventing deviation of the gap bridges when solder melts during welding, guaranteeing welding quality and improving the rate of finished products.

The invention discloses a panel veneer stacking device. The panel veneer stacking device comprises a rack, a panel veneer conveying channel arranged on the rack, a panel veneer clamping mechanism forclamping intelligent card panel veneer and coverage panel veneer, and a panel veneer conveying power mechanism for driving the panel veneer clamping mechanism to move front and back. The coverage panel veneer comprises an upper coverage panel veneer body and a lower coverage panel veneer body. The upper coverage panel veneer body, the intelligent card panel veneer and the lower coverage panel veneer body are sequentially placed on the panel veneer conveying channel from back to front, wherein the front face of the upper coverage panel veneer body is arranged upwards, and the front face of thelower coverage panel veneer body is arranged downwards. According to the panel veneer stacking device, the upper coverage panel veneer body and the lower coverage panel veneer body can be stacked on the upper surface and the lower surface of the intelligent card panel veneer, and the preparation is made for later composite welding machining. In addition, the panel veneer stacking device can continuously conduct panel veneer stacking, panel veneer transporting and transferring are not needed in the stacking process, stacking can be finished on one device, and the stacking efficiency and precision are improved.

The invention relates to a program controlled trigger and a method. A Hall current sensor senses current of a welding machine and outputs a voltage sensing signal; a signal amplifier amplifies the voltage sensing signal; a Schmitt trigger processes the amplified voltage sensing signal and triggers to generate a square signal; a singlechip captures rising edges and falling edges of the square signal, counts, and generates a pulse signal when a counting value reaches a set value; the singlechip regulates and controls the position of a tap of a digital potentiometer; an outputting pulse circuit outputs the pulse signal to an external high-speed camera; and the digital potentiometer regulates a forward threshold value and a reverse threshold value of the Schmitt trigger according to the position of the regulated and controlled tap, and carries out program control on the threshold values and pre-amplification times. Compared with the prior art, the program controlled trigger runs stably, carries out program control on the threshold values and the pre-amplification times, and can adapt to different welding environments.

The present invention discloses a welding machine and a welding apparatus and relates to the technical field of welding equipment. The welding machine is provided with a worktable which is mounted on a base and moves along a first sliding rail mechanism, and a welding arm which is mounted on a vertical column and moves along a second sliding rail mechanism, wherein the worktable and the welding arm both work together to complete the welding of a workpiece. A fixture support mechanism for fixing the workpieces to be welded has linked cantilevers and telescopic cylinders that are rotatably connected to two frame bodies accordingly for driving fixing portions of two fixing devices to approach each other and clamp the workpieces to be welded. The frame bodies of the two fixing devices are further provided with, correspondingly, a first positioning device and a second positioning device for positioning the workpieces to be welded. The welding machine is simple in structure and easy to operate, has proper fixing performance, improves the stability of welded workpieces and secures the quality of welding. The present invention also discloses the welding apparatus that is equipped with the aforesaid welding machine, has the characteristics of the welding machine and improves welding quality and efficiency.

The invention relates to the technical field of a rocket engine, specifically relates to a rocket engine injection structure, an injection device, a rocket engine and a rocket suitable for a liquid rocket engine. An inner nozzle structure in the rocket engine injection structure is provided with an inner wall structure distributed circumferentially, the inner wall structure extends outward integrally to form an outer wall structure; the injection structure forms an annular cavity surrounding the inner nozzle structure between the inner wall structure and the extended outer wall structure; an outer inlet is formed in the annular cavity and provided with an outer nozzle arranged in the same direction of the inner nozzle, so that the annular cavity can play a role similar to the outer nozzlestructure; when realizing atomizing and mixing oxidant and fuel in the rocket engine, the annular cavity is formed by the inner wall structure of the inner nozzle integrally extending outwards, so thesituation that the existing inner nozzle structure and the outer nozzle structure adopt a welding mode to generate welding seams is avoided, the use of welding in the injector is reduced, and the quality and yield of the injector are improved.

The invention discloses a vacuum electron beam welding method of a NbTi/Cu superconduction composite sheath. An upper cover, a lower cover, a oxygen-free copper sheath and a core rod of the NbTi/Cu multi-core superconduction composite sheath are cleaned and dried, the core rod is placed in the oxygen-free copper sheath to be assembled to obtain a sheath body, one end of an air extraction nozzle is inserted into a center hole of the cleaned upper cover to perform vacuum electron beam welding, the air extraction nozzle, the sheath body and the lower cover are placed together in a furnace chamber of a vacuum electron beam welder to perform vacuuming, the lower cover is tightly abutted, the sheath body is rotated at a uniform speed, eight-point positioning welding is performed on positions of combined gaps of the upper cover, the lower cover and the sheath body, primary vacuum electron beam sealing welding is performed, secondary sealing welding is performed, the welded superconduction composite sheath is subjected to vacuum cooling in the vacuum electron beam furnace chamber for one to eight hours, then the superconduction composite sheath is taken out of the furnace chamber, finally vacuuming deairing is performed, and the air extraction nozzle is subjected to cold welding and sealing welding after the deairing is finished. The process is stable, the welding quality is good, and the rate of finished products of obtained superconduction composite wires is high.