22results about How to "Guaranteed welding effect" patented technology

The utility model discloses automatic feeding equipment for welding head wire feeding, which belongs to the field of automatic feeding equipment and comprises an automatic wire feeder and an arranged cleaning mechanism, after a cleaning cotton column is limited and mounted in a connecting cylinder through matching of a limiting groove and an upper limiting strip, the connecting cylinder is positioned and mounted at the front end of a fixing ring through matching of a positioning opening and an upper positioning block, and the automatic wire feeder is arranged on the cleaning mechanism. A rotary knob is rotated to drive a two-way screw rod to rotate through a rotating rod, so that L-shaped plates which are symmetrical up and down make opposite movement operation along the two-way screw rod through screw holes till a limiting rod is inserted into a limiting hole, and then a cleaning mechanism can be fixed to the front end of a wire outlet for use; when welding wires are conveyed, the cleaning cotton column is in full contact with the welding wires, impurities on the surfaces of the welding wires are adsorbed or wiped off, and the impurities are prevented from entering a molten pool, so that the impurities such as oil stains, dust and rust remaining on the surfaces of the welding wires can be effectively removed in the welding wire conveying process, the welding wires are effectively cleaned, and the subsequent welding effect is ensured.

This invention discloses a 6-series energy-absorbing aluminum alloy and its manufacturing method. The aluminum alloy, by mass percentage, comprises: Mg: 0.50–1.20%, Si: 0.40–1.00%, Mn: 0.15–0.95%, Cr: 0–0.25%, Fe: 0.15–0.45%, Ti: 0.015–0.30%, and Cu: 0.10–0.70%; wherein the Mg / Si mass ratio is ≥0.85 / 1, and the total content of Mn+Cr+Fe is ≤1.2%; it also includes an AlTi5C0.25 grain refiner and impurities with a content not exceeding 0.15%, with the balance being Al. This invention optimizes and precisely designs the content of the main alloying elements in the alloy, and introduces TiC nanoparticles using the AlTi5C0.25 grain refiner, enabling the aluminum alloy profile to possess both high strength and excellent crushability.

This invention discloses a method for eliminating internal cracks in 304L stainless steel medium-thick plates used in nuclear power plants, comprising: controlling the chemical composition of molten steel to C: 0.01-0.03%, Si: 0.3-0.7%, Mn: 1.5-1.9%, Cr: 18.05-19.5%, Ni: 9.05-11%, P≤0.03%, S≤0.005%, N: 0.02-0.08%, and controlling the ferrite content in the steel to 2.8-7.7%; and continuously casting in the continuous casting process. The cooling water volume in the secondary cooling section is controlled at 0.55–0.65 L / kg. In the hot rolling process, the slab heating temperature is controlled at 1248℃–1258℃, and the holding time is controlled at 1.8–2.5 min / mm based on the slab thickness. The final rolling temperature is controlled above 1040℃. In the heat treatment process, the hot-rolled steel plate undergoes solution treatment, with the solution treatment temperature controlled at 1065–1075℃ and the holding time controlled at 1.5–2.0 min / mm based on the steel plate thickness. This invention controls the ferrite content within a reasonable range, reducing local ferrite aggregation, thereby effectively solving the cracking defects caused by local ferrite aggregation in the hot rolling process of 304L stainless steel medium-thick plates for nuclear power applications.

The utility model belongs to the technical field of welding, and discloses a wall-climbing welding robot which comprises a chassis, a driving assembly, a mechanical arm and a welding assembly, the driving assembly is installed at the bottom of the chassis, the mechanical arm is installed on the chassis, the welding assembly is installed at the end of the mechanical arm, and the driving assembly comprises a support, an AGV motor, advancing wheels, a servo motor, magnetic attraction wheels and a synchronous belt. The two advancing wheels are installed at the two ends of the support in parallel, the two AGV motors are installed on the side wall of one side of the support and connected with the opposite advancing wheels, the synchronous wheel is hollow, the magnetic attraction wheel is rotatably installed on the inner side of the hollow advancing wheel, and the servo motor is installed on the support and connected with the magnetic attraction wheel through the synchronous belt. The independent hollow driving wheel is driven by the AGV motor, and a plurality of permanent magnets distributed in a Halbach array are mounted on the magnetic attraction wheel in a matched manner, so that the magnetic attraction force is ensured, the weight of the welding robot is reduced, and the load capacity and adaptability of the welding robot are improved.

The invention relates to the technical field of battery sealing nail welding, and provides a battery sealing nail welding defect repairing method. The repairing method comprises the following steps: acquiring an aluminum wafer of which the diameter is greater than that of a liquid injection hole of the battery top cover; removing the sealing nail at the liquid injection hole of the top cover of the battery; cleaning a liquid injection hole area; carrying out penetration type stitch welding by taking the wafer as an upper layer and the battery top cover as a lower layer to form a welding seam for melting the wafer and the battery top cover into a whole; and treating the welding seam and the wafer, enabling the outer surface of the wafer to be flush with the outer surface of the battery top cover, and enabling the liquid injection hole area not to be visually recognized. According to the repairing method, the aluminum wafer and the battery top cover are subjected to penetration stitch welding, and the welding seam and the surface of the wafer are treated, so that the welding defect of the sealing nail is repaired, the situation that the battery is degraded and scrapped due to poor welding or appearance defect of the sealing nail is avoided, and the quality requirement of the battery is met.

The invention discloses a construction auxiliary device and method for an underground comprehensive pipe gallery water stop belt, and relates to the technical field of underground pipe gallery engineering, the construction auxiliary device comprises a bottom plate and two water stop belt main bodies, and the construction auxiliary device further comprises two U-shaped frames which are both connected to the top of the bottom plate in a sliding mode; the number of the overturning assemblies is two, each overturning assembly comprises a C-shaped outer plate, a C-shaped inner plate, a C-shaped gear ring, a supporting plate, a second motor, a gear, two first electric push rods and two clamping plates, and the top and the bottom of each C-shaped outer plate are fixedly installed on the inner wall of the top and the inner wall of the bottom of the corresponding U-shaped frame correspondingly; according to the device, two water-stop belt main bodies are stably fixed through a simple structure, meanwhile, the two water-stop belt main bodies can be turned over and turned over after being clamped, the butt joint ends of the two water-stop belt main bodies can be completely welded conveniently, the machining efficiency and effect of the two water-stop belt main bodies are greatly improved, and practicability is high.

The invention discloses a processing method of an aluminum oxide electrostatic chuck, and aims to overcome the defect that the connection failure is easy to occur when the electrostatic chuck is used for a long time. The method comprises the following steps: S1, selecting two substrates, and processing a high-voltage electrode groove on one substrate; s2, coating bonding slurry on the surface of a substrate close to the edge, and drying; s3, the two substrates are attached together and assembled into a furnace, diffusion welding is achieved after the slurry is heated, the two substrates are connected into a disc body, and an electrode cavity is formed in the high-voltage electrode groove; s4, conducting resin is poured into the electrode cavity in a vacuum mode. According to the processing of the electrostatic chuck, high-strength integration of the aluminum oxide ceramic and the internal conductive adhesive functional layer is realized, the problem of connection failure of the electrostatic chuck caused by decomposition or aging of an adhesive at a high temperature is avoided, the overall performance of the electrostatic chuck is improved, and the service life of the electrostatic chuck is prolonged.

The invention relates to the field of metal welding equipment, in particular to electric power steel pipe pole seamless welding equipment which comprises a [-shaped mounting frame and a mounting ring arranged on the [-shaped mounting frame. Two positioning mechanisms capable of enabling the steel pipe to move along the axis of the mounting ring are arranged in the mounting ring; a mounting plane is arranged above the mounting ring, a connecting plate extending towards the center of the mounting ring is arranged at the bottom of the mounting plane, a mounting column is arranged at one end of the connecting plate, and an inner supporting mechanism capable of supporting the interior of the steel pipe when the steel pipe moves is arranged at one end of the mounting column; and a welding mechanism for welding the positioned welding seam is arranged on the connecting plate. Through cooperation of the inner supporting mechanism and the positioning mechanism, multi-point supporting can be conducted on the inner wall and the outer wall of the steel pipe, the steel pipe on the two sides of a welding seam is positioned through the positioning mechanism and the inner supporting mechanism, and the welding effect is ensured.

The application relates to air compressor gas tank welding butt joint equipment and belongs to the technical field of air compressor production, which comprises a supporting seat, the upper end of the supporting seat is provided with a hydraulic push rod one, the push rod of the hydraulic push rod one is provided with an annular seat, the outside of the annular seat is provided with a plurality of hydraulic push rods two, the push rod of the hydraulic push rod two is provided with a clamping rod, the clamping rod is located on the inner side of the annular seat, the middle parts of the left and right sides of the supporting seat are provided with connecting frames, the outside of the connecting frame is provided with an electric push rod two, the push rod of the electric push rod two is provided with a clamp ring; the air compressor gas tank welding butt joint equipment is characterized in that the gas tank end cover is placed in the clamp ring, the central clamping assembly is matched, the gas tank end cover is clamped in the clamp ring with the center, after the clamp ring is clamped in the center, the stable butt joint of the gas tank end cover and the gas tank cylinder is realized by moving the clamp ring driven by the electric push rod two, welding personnel can conveniently weld the butt joint gap, and the welding effect is guaranteed.

The application provides an ultrasonic welding device and a busbar welding machine. The ultrasonic welding device comprises: an ultrasonic welding base for carrying a busbar; a wire harness clamping assembly connected to the ultrasonic welding base, the wire harness clamping assembly being used for clamping a wire harness; and a busbar welding assembly arranged above the ultrasonic welding base, the busbar welding assembly being used for welding the busbar and the wire harness together. The ultrasonic welding device of the application clamps the wire harness through the wire harness clamping assembly, so that the wire harness can be kept stable, the wire harness can be prevented from shaking or shifting during welding, and the welding effect of the busbar and the wire harness is ensured.

The application relates to a torsion beam steel and a preparation method thereof, and the chemical components of the torsion beam steel include the following contents: the content of C is 0.05-0.08%, the content of Si is <=0.15%, the content of Mn is 1.2-1.7%, the content of P is <=0.015%, the content of S is <=0.003%, the content of Nb is 0.01-0.05%, the content of Ti is 0.03-0.08%, the content of Cr is 0.1%-0.4%, the content of Mo is 0.1-0.25%, the content of V is 0.01-0.04%, and the content of Ca is 0.0005-0.005%; and the following conditions are met: [Ti] / [Mo] <=0.6, and [Cr]+[Mo] = 0.2-0.5%; the microstructure of the torsion beam steel includes ferrite and bainite. The torsion beam steel has the advantages that the tensile strength is >=650 MPa, the hole expansion rate lambda is >=85%, and the elongation A80 is >=24%.

The application discloses an automatic welding device for magnesium alloy template production and belongs to the technical field of magnesium alloy template production. The device comprises a double-track conveying device for conveying magnesium alloy templates, one side of the double-track conveying device is provided with an electric guide rail, an automatic laser welding device is arranged on the electric guide rail in a matched mode, a base is arranged in the double-track conveying device, a lifting device is fixedly arranged on the base, an adjusting support disc is hingedly arranged at the output end of the lifting device, a rotating disc is rotatably arranged in the adjusting support disc, and a driving mechanism for driving the rotating disc to rotate is fixedly arranged on the adjusting support disc. In the application, the lifting device drives the push plate to lift, the driving mechanism drives the push plate to rotate through the rotating disc, the angle adjusting mechanism adjusts the inclination angle of the adjusting support disc, the template welding surface is directed to the automatic laser welding device, and all welding points can be successfully welded even in the complex deep cavity structure of "panel + vertical rib".

The utility model provides a kind of battery bottom penetration welding machine, including processing table, the surface of processing table is equipped with two groups of electric drive feeding and discharging track, feeding and discharging track is equipped with fixture assembly, the fixture assembly includes mounting bracket, it is easy and fast to operate, and welding quality is reliable, and work reliability is high, and equipment overall structure is simplified stable, and floor space is small, satisfy customer site demand.Adopt double-station alternate manual feeding and discharging, module is conveyed to welding position, battery positioning fixture automatic positioning overturn makes battery bottom upward, galvanometer XY two axes automatic alignment welding, reduce labor intensity, guarantee the consistency of welding quality, battery shell is not damaged after welding, welding surface is smooth and even, no obvious splashing, no false welding, overwelding phenomenon, tightly weld together with shell bottom of roll core, ensure that battery stable operation under various complex conditions, prolong battery service life, guarantee the security of battery use.

The present application relates to the technical field of welding, and discloses a bicycle frame welding device for bicycle production, which comprises a workbench, both sides of the top of the workbench are provided with sliding grooves, and sliding blocks are slidably connected in the sliding grooves; side blocks are arranged on the sliding blocks, recesses are arranged on the side walls of the side blocks, and pressing assemblies are arranged at the recesses; wall blocks are connected to the side walls of the recesses, end grooves are arranged on both sides of the end of the wall block close to the recess, end shafts are rotatably connected in the end grooves, first torsional springs are arranged between the end shafts and the end grooves, inclined arms are coaxially connected to the end shafts, and the distance between the two inclined arms gradually decreases from the recess to the wall block; the bicycle frame welding device further comprises a welding assembly, an adjusting assembly for adjusting the distance between the two sliding blocks, and a power assembly for driving the free ends of the two inclined arms to approach each other; and the present application mainly solves the problem of unstable positioning of the existing device.

The utility model discloses a kind of welding positioning mechanism of automobile seat headrest music support, comprising: welding positioning seat, the top surface of the welding positioning seat is formed with the placement plane for placing music support;Positioning pin assembly, the positioning pin assembly is positioned to the music support placed on the placement plane by positioning pin;And clamping assembly, the clamping assembly is used to clamp the music support positioned on the placement plane accurately positioning and clamping to the music support placed on the welding positioning seat, avoid music support to move when welding, reduce the defective rate, guarantee welding effect, improve production efficiency.

The utility model discloses a BOX box gantry automatic base welding robot, including track and the gantry frame of sliding connection on the track, the member to be welded is located in the gantry frame, the front side of gantry frame is provided with slide rail, the left and right sliding connection of two sliding blocks is provided on the front side of slide rail, the front side of sliding block is provided with electric telescopic arm, the end of electric telescopic arm output shaft is provided with welding assembly, the sliding block and the slide rail are provided with two groups of drive assembly that drive two sliding blocks left and right sliding respectively, the support assembly for supporting the member to be welded is provided in the gantry frame, the utility model discloses through electric telescopic arm, slide rail, sliding block and drive assembly realized two groups of welding assembly's independent control, make the staff to be able to more flexible to the member to be welded and carry out welding, improved the flexibility and practicality of BOX box gantry automatic base welding robot.

The utility model provides a plasma arc welding auxiliary tool, which belongs to the technical field of welding tools and comprises a workbench, a first sliding seat, a pressing plate, a second sliding seat and a push plate. A welding area is arranged in the middle of the workbench, an inflation groove with an upward notch is formed in the welding area, a first sliding seat and a second sliding seat are horizontally and slidably arranged at the two ends of the workbench in the length direction correspondingly, the pressing plate is longitudinally and movably arranged on the first sliding seat and used for pressing a first steel plate, and the push plate is fixedly arranged on the second sliding seat. The push plate is used for pushing the second steel plate, and the welding seam of the first steel plate and the second steel plate is maintained above the inflation groove. According to the plasma arc welding auxiliary tool, the pressing plate and the push plate are matched to guarantee that the positions of the two steel plates are fixed in the welding process, deviation is avoided, and then the welding effect of the steel plates is guaranteed.

The utility model provides a diode electrode precision welding device belongs to diode welding technical field to solve the problem of longer downtime of spot welding machine when replacing diode, influence welding efficiency, including spot welding machine support seat, limit linear module, sliding welding platform, position fixed pressing plate, limit pressure receiving inclined block and limit extrusion plate, limit linear module bolted connection in the upper portion of spot welding machine support seat, sliding welding platform fixed connection in the outside of limit linear module upper slide, position fixed pressing plate sliding connection in the upper portion of sliding welding platform, limit pressure receiving inclined block fixed connection in the upper portion of position fixed pressing plate, limit extrusion plate fixed connection in the left side of spot welding machine support seat, the utility model can weld and unload side by side, reduce the downtime of spot welding machine, improve welding efficiency.

The present disclosure provides a connecting sheet structure and a battery module. The connecting sheet structure comprises a connecting sheet body, the connecting sheet body comprises a connecting part and a welding part, the connecting part is connected with the welding part; the welding part is provided with a spot welding bump, the spot welding bump is used for spot welding connection with an electrode of a battery cell; the thickness of the connecting sheet body is greater than 0.3 mm, and the thickness of the spot welding bump is less than or equal to 0.3 mm. The connecting sheet structure makes the use safety of the battery module better.

This invention discloses a manufacturing and forming method for steel wire mesh reinforced tubes, relating to the technical field of steel wire mesh reinforced tubes. The method includes the following steps: S1, fixing the steel wire unwinding coil onto the cross-shaped positioning rod using a cross-shaped positioning rod, and using the magnetic force of a stopping electromagnetic ring to attract and fix the position of the metal limiting block and the cross-shaped positioning rod. The steel wire is then passed through the steel wire docking box, tensioning guide wheel, burr removal channel, and steel wire welding wheel located at the top of the welding support shaft seat. This invention has a scientifically sound and reasonable structure, and is safe and convenient to use. Through the cooperation of a detection camera, electrically controlled wire clamping pliers, a sleeve electric push rod, and hydraulic crimping pliers, the detection camera observes the steel wire passing through the steel wire docking box, thereby clamping and fixing the end of the old steel wire, limiting it below the hydraulic crimping pliers to prevent the steel wire from running out. Simultaneously, it facilitates moving the hydraulic crimping pliers and sleeve to the top of the end of the old steel wire.

The utility model belongs to injection mold technical field discloses a battery rubber ring injection mold, including front mould board and back mould board, be provided with front mould insert on the front mould board, be provided with back mould insert on the back mould board, back mould insert can butt with front mould insert, back mould insert has first central axis, front mould insert has second central axis, be provided with positioning piece between front mould insert and back mould insert, positioning piece is used for making first central axis and second central axis coincide, the forming cavity that is annularly arranged around first central axis is formed between front mould insert and back mould insert, the feed channel is set up in the front mould insert, the forming cavity is communicated with the feed channel through the feed opening, and the feed opening is annularly arranged around first central axis. The utility model discloses a battery rubber ring injection mold sets up through the feed opening of annularly, makes the feed channel even annularly glue to the forming cavity of annularly arranged along the feed opening, guarantees the evenness of gluing, thereby guarantees the welding effect of sizing material, improves the forming quality of battery rubber ring.

The ultrasonic welding equipment comprises a base, an ultrasonic generator is arranged in the base, a supporting frame is arranged on the base in a rotating fit mode, a pressing frame is arranged on the supporting frame in a sliding fit mode, a protective cover is fixed to the supporting frame, a water pumping structure is arranged on the protective cover, and the water pumping structure communicates with the protective cover; an elastic sealing plate is clamped and fixed at the bottom of the protective cover; the welding structure comprises an energy converter, an amplitude-change pole and a welding head, and the energy converter is fixedly connected with the welding head through the amplitude-change pole. According to the ultrasonic welding equipment for ship maintenance, the supporting frame is installed on the base, the protective cover is installed on the supporting frame, firstly, the position and angle of the welding head can be adjusted through rotation of the supporting frame, and therefore flexible adjustment can be conducted according to different welding machine objects on a ship, and the application range of the equipment is widened; and the welding head can be protected through the protective cover, so that the service life of the welding head is prolonged.