143results about "Auxillary welding devices" patented technology

A tool for making simultaneously a plurality of parallel friction stir welds includes at least one shank for holding in a chuck or collet of a friction stir welding machine, a plurality of friction stir welding pins, and friction stir welding shoulders including at least four working surfaces adjacent said ins, the shoulders and pins mounted in axial relationship; dimensions of said friction stir welding pins and shanks corresponding to dimensions and spacings of said friction stir welds.

A welder for welding a base metal. The welder may include a first electrode for forming a first arc with the base metal and a second electrode for forming a second arc between the first and second electrodes. A compact welder, welding system, and method are also provided.

The invention relates to a flexible positioning fixture controlled by a servo. The whole fixture, from the bottom to the top, comprises a first horizontal direction moving servo control mechanism, a first rotation direction servo control mechanism, a vertical direction movement servo control mechanism, a second horizontal direction moving servo control mechanism, a second rotation direction servo control mechanism, a third rotation direction servo control mechanism and a positioning pin mechanism. The positioning pin mechanism is an actuating mechanism of the entire mechanism and plays a positioning role on the assembly of workpieces. The position precision of the positioning pin mechanism is achieved by the servo control mechanisms in the moving directions and rotating directions. The positioning fixture realizes multiple-degree-of-freedom adjustment, meets the characteristic requirement of the flexible fixture produced by a variety of similar vehicle models, has the capability of quickly, accurately and automatically adjusting the three-dimensional position and posture of the positioning pin according to the variation of the positioning positions of different products, and realizes the space positioning of different positioning modes.

A method of mitigating distortion in a friction stir weld joint as well as an associated friction stir weld assembly for mitigating distortion in a friction stir weld joint are provided. In this regard, a workpiece having a friction stir weld joint and associated distortion may be provided. Force may then be selectively applied to the workpiece along at least a portion of friction stir weld joint. The application of force induces plastic deformation along at least the portion of the friction stir weld joint in order to reduce the distortion of the workpiece. Force may be applied, for example, by moving a roller, such as a hardened cylindrical roller having chamfered edges, along at least a portion of the friction stir weld joint in order to apply a compressive force.

The invention relates to a monocular self-adaption cross laser visual corrugated plate welding line tracking sensor. The sensor comprises a set of self-adaption visual viewing field device, a camera based on an area array CCD, a self-adaption oscillator, a linear laser emitter, a spot laser emitter, a set of self-adaption ahead distance transfer mechanism and a sensor protective cover. In a welding starting point position, the self-adaption oscillator can perform self-adaption swing to adjust the length of scanning laser, and the self-adaption visual viewing field device can adjust a visual viewing field range in a self-adaption manner; in the welding process, a height deviation of a welding gun is obtained according to a distance from the intersection between linear laser and a welding line and the intersection between the linear laser and the scanning laser, a left-right deviation is obtained through the length change of the scanning laser, and the turning point position and the bending angle of the corrugated plate welding line are determined according to the bending position and angle of the scanning laser; and the self-adaption ahead distance transfer mechanism can adjust an ahead distance according to the parameter change of a welding process in a self-adaption manner.

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 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.

A bonding apparatus including an ultrasonic horn having a capillary, a horn holder holding the ultrasonic horn, a swing arm rotatably supporting the horn holder on horn holder supporting shafts, and auxiliary arms which are rotatably supported by auxiliary arm supporting shafts and rotatably supported by connecting shafts on the horn holder. The horn holder supporting shafts are disposed above a hypothetical center of an imaginary horizontal line extending from the tip end of the capillary, the auxiliary arm supporting shafts are disposed in the back of the horn holder supporting shafts and at the same height as the horn holder supporting shafts, and the connecting shafts are disposed at an intersection of an extension of an imaginary line connecting the tip end of the capillary and the horn holder supporting shafts and an extension of an imaginary line connecting the hypothetical center and the auxiliary arm supporting shafts.

The invention provides a friction stir welding method of forming a weld portion having an excellent fatigue property in the case of welding a weld material by using a friction stir welding method. The invention provides a friction stir welding method structured such as to insert a tool provided in such a manner that a pin-shaped probe protrudes to an end surface of a columnar member to a weld material in a state of being rotated, and move the tool in a state of being rotated, thereby welding two or more weld materials in accordance with a friction stirring, in which a cavity portion is provided in a part of a weld portion of the weld material, a member is formed in the cavity portion, and the weld material is welded by the friction stirring. In accordance with the invention, since an unwelded portion is not formed near the cavity portion, a notch effect is reduced, and it is possible to form the weld member which is excellent in the fatigue property.

The invention discloses template laser cutting equipment provided with a template fixture. The template laser cutting equipment comprises a cutting mechanism and the template fixture, wherein the cutting mechanism comprises a laser head; the laser head makes two-dimensional movement through an X-direction slideway and Y-direction slideways; and the template fixture is positioned between two rack plates of the cutting mechanism and is positioned below the laser head; a worm gear in the template fixture, through driving a threaded rod, drives a first chassis to descend with a locking block, and drives a second chassis to rise with a fixed disk. In this way, a workpiece on the fixed disk is clamped up and down by the fixed disk and the locking block, and the cutting of a template is completed by a laser beam. The template laser cutting equipment is high in speed and efficiency, and cuts smoothly, easily and neatly.

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 relates to a floating regulating and clamping device for the center of a welding tube, which comprises more than two welding tube diameter regulating and clamping mechanisms (50, 50) and a welding tube length manual regulating and clamping mechanism (60) with the welding tube diameter regulating and clamping mechanisms. The invention has the advantages of simple structure, easy operation, stability, reliability, higher regulating accuracy and efficiency, and long service life.

The invention provides an automatic tracking system for a welding robot welding seam. The system comprises a welding arm which is provided with a rotating box and a position adjusting mechanism, and the rotating box is provided with a laser sensor and a welding gun. The position adjusting mechanism comprises a first motor and a second motor. The laser sensor is connected with the second motor. The first motor, the second motor and the laser sensor are communicated to a DSP control system. The laser sensor is provided with a laser device which is used for emitting laser to the surface of a welded object. The DSP control system is connected with two drivers which are connected with the first motor and the second motor respectively. The laser sensor comprises the laser device, a CCD camera and a Bluetooth device, the laser device is used for emitting laser to the surface of the welded object, the CCD camera is used for shooting an image on the surface of the welded object, and the Bluetooth device is used for transmitting the shot image to the DSP control system.

To prevent poor quality of weld in a welding process for a thick material or for welding a gap, the laser welding apparatus has granular flux (3) supplied to a side of the base material (W) opposite to the side where a laser beam is directed and a pressing member (5) that presses the granular flux onto the base material (W) upon receiving fluid therein. Either the flux prevents the laser beam that coming through the base material (W) from penetrating the flux or the thickness of molten flux is selected so that the laser beam coming through the base material (W) does not penetrate the molten flux.

A vacuum adsorption welding device for plate splicing in submerged-arc welding comprises a first welding platform, a second welding platform and a gasket. The first welding platform and the second welding platform are adjacent, and the gasket is arranged between the first welding platform and the second welding platform. Each of the first welding platform and the second welding platform is provided with a plurality of vacuum suction ports. The welding device further comprises vacuum components and sealing gaskets, the vacuum components are connected to the vacuum suction ports, and the sealing gaskets are arranged along the peripheries of the first welding platform and the second welding platform. The vacuum adsorption welding device has advantages that by the vacuum components, quickness in plate fixation and convenience and quickness in operation are realized; small weld seam deformation and freeness of shaping after welding are realized.

The invention relates to the technical field of mechanical fixing support accessory equipment, in particular to portable fixed support equipment for a gas protection welding furnace. According to the portable fixed support equipment, the height of a support device can be adjusted according to needs of workers to improve the adaptive capacity of the support device; the support device can incline to reduce use limitation of the support device; the support device can rotate so that the practicability of the support device can be improved; the portable fixed support equipment comprises the support device, a support and a base plate, and the support comprises an inserting column, an inserting pipe, a limiting column, two limiting springs and two limiting blocks; left through holes and right through holes are formed in the left side wall and the right side wall of the inserting column correspondingly, and a plurality of left limiting holes and a plurality of right limiting holes are longitudinally formed in the left side wall and the right side wall of the inserting pipe correspondingly; the support device comprises a supporting plate, a supporting frame, a first rotary shaft, a second rotary shaft and a limiting rod, and a first groove is formed in the top end of the supporting plate; the portable fixed support equipment further comprises a supporting disc and a rotary column, and a storing groove is formed in the top end of the supporting disc and internally provided with a ball bearing; and the portable fixed support equipment further comprises two supporting columns and two pulleys.

The invention discloses an automotive chassis support positioning mechanism which comprises one rectangular base, a set of fixing units, a plurality of sets of switching units and a switching gripper. Each fixing unit comprises a plurality of fixing components, each fixing component comprises two positioning pins fixed on the base, and the fixing pins are on the same horizontal line and provided with supporting planes on bottoms; each switching unit comprises a plurality of switching components capable of being mounted on the fixing components in one-to-one correspondence, and each switching component comprises a square pipe and at least one first pin-type clamping cylinder fixed on the square pipe through a connecting block; the switching gripper is capable of being connected with a robot to be used for gripping the switching units. The invention further discloses an offline detection platform matched with the automotive chassis support positioning mechanism. The automotive chassis support positioning mechanism has the advantages of being compatible with a plurality of automotive models, accurate in positioning, stable and reliable in switching, high in switching speed and the like.

The invention discloses a fixing device of a welding cable of a welding robot. The fixing device comprises a fixed base, a cable base, a cable base shaft, a cable base cover, a clamping bolt and a clamping nut. The fixed base is fixed to a welding robot body through a bolt. The fixed base is connected with the cable base through a connection bolt, and the fixed base and the cable base can rotate relatively. The cable base is connected with the cable base cover through the cable base shaft. The welding cable is installed between the cable base and the cable base cover and fixedly clamped through the clamping bolt and the clamping nut. The fixing device of the welding cable of the welding robot not only can fast fix a power cable of the welding robot, but also can adjust the relative angle between the cable and the robot body, and therefore the wire feeding resistance is reduced.

The invention relates to a high-speed photovoltaic module production device, which comprises an automatic feeding mechanism, a battery piece conveying and photographing mechanism, a battery piece conveying and waiting mechanism, and a battery piece and solder strip carrying mechanism. The automatic feeding mechanism comprises a battery piece material box conveying belt, a battery piece material box, a battery piece ejecting mechanism, a battery piece carrying mechanism and the battery pieces; and the battery piece conveying and photographing mechanism comprises a battery piece conveying mechanism, a CCD (Charge Coupled Device) photographing camera and a correction manipulator carrying mechanism. According to the high-speed photovoltaic module production device provided by the invention, through a one-time process method for picking multiple battery pieces, horizontal interconnection is realized through a solder strip, so that horizontal interconnection of the multiple battery pieces isrealized; and compared with a conventional mode for placing one battery piece corresponding to one solder strip, the preparation efficiency of photovoltaic modules is effectively improved.

The invention relates to a forming process of a support connecting piece of a bridge steel structure foundation. A bridge support connecting piece forming device is adopted in the forming process of the support connecting piece of the bridge steel structure foundation, and the bridge support connecting piece forming device comprises a mounting bracket, an adjusting support plate, an adjusting mechanism, a positioning plate, a rotating lead screw, a movable block, a telescopic rod and a guide post. The forming process of the support connecting piece of the bridge steel structure foundation by adopting the bridge support connecting piece forming device comprises the following steps of (S1) locking the connecting piece support plate; (S2) adjusting the position of a bonding frame; (S3) positioning upper side plates; and (S4) welding a ribbed plate. According to the forming process, the problems of poor splicing effect between the upper side plates, influence on the forming effect of the upper side plates, incapability of accurate positioning of the upper side plates and the like because the upper side plates are not firmly locked by locking clamps when the upper side plates of different sizes are spliced during processing of an existing steel structure support connecting piece can be solved.

The invention relates to manufacturing equipment, in particular to a structural design and use method of net tensioning equipment. The net tensioning equipment comprises a clamping jaw system, a measuring system, a welding system, a moving system, a pre-alignment table, a mask frame platform, a vibration reduction platform, a carrying system and a control unit, wherein the clamping jaw system comprises a clamping jaw platform, and multiple groups of clamping jaw main bodies, clamping jaw heads, sliding blocks, a stabilizing mechanism and an adsorption base which are positioned on the clampingjaw platform. The invention further provides a using method for tensioning the net by using the net tensioning equipment. According to the net tensioning equipment, displacement and rotation of the clamping mechanism in the net tensioning process can be eliminated through the interaction between the stabilizing mechanism and the adsorption base in the clamping jaw system, the net tensioning precision is improved, and the net tensioning efficiency and yield are improved.