25 results about "Weld quality assurance" patented technology

The utility model discloses a main-grid-free back contact battery string and a photovoltaic assembly, the main-grid-free back contact battery string comprises a plurality of back contact battery pieces arranged along a first direction, and the back surface of each back contact battery piece is provided with first fine grids and second fine grids which are alternately arranged along the first direction; the first welding strips and the second welding strips are alternately arranged in the second direction; wherein for the same back contact battery piece, the first welding strip is electrically connected with the first fine grid, and is insulated from the second fine grid; the second welding strip is insulated from the first fine grid and is electrically connected with the second fine grid; welding layers are arranged at the contact positions of the first fine grid and the first welding strip and the contact positions of the second fine grid and the second welding strip; the welding layer comprises a welding metal layer and a bonding glue layer, and the bonding glue layer covers the welding metal layer. According to the utility model, the welding quality of the welding strip can be improved, and the connection stability and reliability of the welding strip and the fine grid are ensured.

The application provides a post-poured strip water stop fish scale mesh welding support system and a construction method, which comprises a main frame base, a first rectangular frame and a second rectangular frame arranged at intervals and fixed on the top of the main frame base; a top height adjusting mechanism for supporting the fish scale mesh is installed on the top of the first rectangular frame; a clamping mechanism for clamping and fixing the water stop steel plate is arranged at the interval between the first rectangular frame and the second rectangular frame; a bottom height adjusting mechanism is installed at the bottom end of the main frame base; and a lateral adjusting mechanism is installed on the side surface of the main frame base. The system can effectively accelerate the post-poured strip water stop fish scale mesh welding construction speed, improve the welding quality, ensure the construction effect to be neat and vertical, and improve the construction efficiency.

The utility model relates to the field of parts of connecting devices, in particular to a conducting bar, a plug and a quick-charging connector. The conducting bar, the plug and the quick-charging connector are used for solving the problem that the welding quality of the conducting bar and a copper ring is difficult to guarantee because the thickness of the conducting bar is large when the conducting bar and the copper ring are welded in the prior art. The conducting bar comprises a bar body, the end part of the bar body is provided with a connecting hole for a bolt to pass through, and the connecting hole of one surface of the bar body facing a socket terminal is provided with a sinking groove which can be used for placing a copper ring part and is lower than the axial length of the copper ring part. After the copper ring part is placed in the sinking groove, subsequent ultrasonic welding is carried out, at the moment, the distance from the other side of the conducting bar to the welding face of the conducting bar and the copper ring part is reduced, the distance from a welding head on one side of the conducting bar to the welding face is also reduced, the welding thickness is reduced, and the welding quality of the copper ring part and the conducting bar can be improved; and the welding reliability of the two is ensured.

The utility model relates to the technical field of machine manufacturing, in particular to a universal tool for welding a fork connecting rod of a forklift. The utility model provides a universal tool for welding a fork connecting rod of a forklift. The tool comprises a bottom plate, and the top of the bottom plate is slidably connected with a shaft sleeve positioning support, a first square tube limiting module, a second square tube limiting module and a tail end positioning support from left to right. Positioning grooves are formed in the two sides of the top of the bottom plate and matched with the limiting blocks and the sliding blocks at the bottom of the tail end positioning support to achieve sliding connection. A U-shaped groove is formed in the bottom plate, and fixing holes are formed in all the components and located over the U-shaped groove. The right side of the tail end positioning support is provided with a limiting groove and a nut limiting step pin, and the upper end of the tail end positioning support is provided with a threaded hole connected with a clamping bolt. The universal tool has the advantages that the space is saved, the cost is reduced, the welding quality is improved, the size and shape consistency of the connecting rod is ensured, and the production efficiency is improved.

The invention discloses a method for controlling welding deformation of a vacuum box, which comprises the following steps of: performing stress relief treatment on a plate, putting the plate on a tool clamp for pre-tightening and fixing, and then welding by adopting a welding sequence of combining symmetrical welding and segmented skip welding, a non-contact laser measuring instrument is adopted for monitoring welding deformation of the vacuum box body in real time, welding process parameters or a tool clamp are adjusted in time, after welding is completed, overall stress relief annealing treatment is conducted on the vacuum box body, then size detection is conducted, and existing tiny deformation is corrected through a mechanical shaping or hydraulic shaping method. According to the welding deformation control method for the vacuum box body, influence factors of welding deformation are reduced from the source, the welding quality is improved, the size precision of the vacuum box body in the welding process is ensured, the size precision and the use performance of the vacuum box body are remarkably improved, the manufacturing requirement of the high-precision vacuum box body is met, and the production cost is reduced. Good economic benefits and application prospects are realized.

The invention provides battery welding equipment, and relates to the technical field of battery manufacturing. The battery welding equipment comprises a conveying device, a fixing device and a welding device. The conveying device is used for conveying the jig to the fixing device. The fixing device comprises a plurality of installation stations arranged at intervals and a plurality of press-fitting structures arranged at intervals, the number of the press-fitting structures is equal to that of the installation stations, the press-fitting structures and the installation stations are in one-to-one correspondence, the press-fitting structures are used for pressing the batteries to the jig, and the fixing device can drive the jig to move to the welding position. The welding device is fixedly mounted on the side, away from the mounting station, of the press-fitting structure. The fixing device further comprises a plurality of dust collecting structures arranged at intervals, the number of the dust collecting structures is equal to that of the mounting stations, the dust collecting structures and the mounting stations are in one-to-one correspondence, and the dust collecting structures are used for collecting welding smoke generated in the battery welding process. According to the battery welding equipment provided by the embodiment of the invention, the collection efficiency of welding smoke dust can be improved, the welding quality of the battery is improved, and the welding yield of the battery is ensured.

The invention provides a welding part, a battery, electric equipment and a welding method. At least one welding wire is formed on the welding piece, the welding wire comprises at least one linear welding wire and at least one curved welding wire, and the linear welding wire and the curved welding wire are sequentially connected so that the welding wire can gradually extend in one direction; the welding part is used for being welded with a to-be-connected part, the weld penetration depth of the welding part of the welding part and the to-be-connected part is H1, the thickness of the welding part is H2, and H1 / H2 is larger than or equal to 1.1 and smaller than or equal to 3. According to the welding part, the length of the welding wire can be effectively increased, the welding stability and the welding quality of the welding part and other parts can be improved, the problem that accumulated heat at an intersection point is too high due to the fact that a single welding wire has the intersection point can be solved, and the welding stability and the welding quality are guaranteed. The connecting stability of the welding piece and the to-be-connected piece is guaranteed, meanwhile, the to-be-connected piece can be prevented from being welded through due to the fact that the weld penetration depth is too large, and the welding quality is guaranteed.

The utility model discloses a novel motor leading-out wire terminal automatic welding squaring machine, which relates to the technical field of automatic welding squaring machines, and comprises a bottom frame assembly, a table top moving assembly, a machine head assembly, an aluminum profile outer cover assembly and a positioning tool assembly, the table top moving assembly and the machine head assembly are arranged above the bottom frame assembly, and the positioning tool assembly is arranged above the table top moving assembly. The novel automatic welding squaring machine for the motor leading-out wire terminal is characterized in that the machine head assembly is fixed to the machine head assembly, the aluminum profile outer cover assembly is fixed to the machine head assembly, the positioning tool assembly is placed on the table top movement assembly after a product is installed, and preferably, the machine head assembly comprises a machine head installation bottom plate. By means of the squaring assembly in the machine head assembly, the left-right size of the welding position can be guaranteed, the welding position is more accurate, the welding quality is improved, the stability and reliability of connection between the motor leading-out wire terminal and other parts are guaranteed, and the problems of poor contact, resistance increase and the like caused by welding position deviation are solved.

The invention discloses a water turbine runner welding device which comprises a lifting set, a welding set and a welding set, the lifting set is provided with an outer clamping claw capable of being used for grabbing a runner body, and the lifting set can conduct swing lifting action; the rotating set and the lifting set are oppositely arranged, the rotating set is provided with an inner clamping jaw used for clamping and fixing the rotating wheel body, and the inner clamping jaw can rotate; the grabbing and positioning set is arranged above the lifting set and the rotating set, the grabbing and positioning set is provided with a grabbing block capable of horizontally sliding, a first electromagnetic attraction block used for attracting the runner blades is arranged in the grabbing block, and a welding set is integrated on the grabbing block; and the transferring set is arranged below the grabbing and positioning set, the transferring set is provided with a rotatable conveying belt, and the conveying belt is provided with a plurality of positioning blocks used for transferring the runner blades. The automatic welding device has the beneficial effects that the automation degree is high, welding operation is convenient and simple, the welding quality is improved, and the product quality is guaranteed.

The utility model discloses a new energy automobile filter copper bar welding positioning tool which comprises a positioning tool block, the positioning tool block comprises a front installation table and a rear installation table, the front installation table is provided with an installation top face, and the installation top face is fixedly connected with an installation boss; a first limiting block is fixedly connected to the front end of the left side of the mounting top surface; a first mounting part for mounting the second horizontal section is arranged between the first limiting block and the mounting boss; the front surface of the front mounting table is fixedly connected with a second limiting block through a bolt; a second mounting part for mounting a third horizontal section is arranged between the second limiting block and the mounting boss; a third limiting block is fixedly connected to the right side of the rear end of the upper surface of the mounting boss, a pin positioning block is fixedly connected into the rear mounting table through a bolt, and a positioning groove is formed in the upper surface of the pin positioning block. According to the utility model, the copper bar and the pin can be accurately positioned, and the accuracy of the welding position of the pin is ensured, so that the welding quality is improved, and the performance stability of the filter copper bar is ensured.

The utility model discloses a protection device for a gas shielded welding wire conveying pipe, and relates to the technical field of conveying pipe protection devices. The clamping device comprises a bottom plate and two first protective shells, a clamping mechanism is arranged on the bottom plate, and the clamping mechanism comprises a second protective shell fixedly connected between the two first protective shells. According to the welding wire conveying device, stable and adaptive clamping environments can be provided for welding wire conveying pipes of different sizes within a certain range through the clamping mechanism, shaking and displacement of the conveying pipes are effectively avoided, it is ensured that the conveying pipes are always kept at the accurate positions in the brazing or desoldering process, the stability and accuracy of welding wire conveying are greatly improved, and the welding wire conveying efficiency is improved. Therefore, the welding wire can be accurately conveyed to a welding area at a constant speed, the problems of unsmooth conveying, blockage and the like are reduced, the damage risk of the welding wire is reduced, the performance stability of the welding wire is kept, the welding quality can be improved, it is guaranteed that welding spots are uniform and firm, welding wire waste caused by abnormal conveying can be reduced, and the production efficiency and economical efficiency are improved.

The application discloses integrated stove with windproof pot support, including body and stove table arranged on the body, pot support is placed on the stove table, pot support includes support bottom ring and support foot, support foot is located above support bottom ring, windproof plate is fixedly connected between two adjacent support feet. The manufacturing method of the windproof pot support is as follows: (1) part processing; (2) part assembly. The windproof plate of the application is located in the front side of the support bottom ring, which can protect the knob in the front side of the stove table, avoid the influence of high temperature on the knob, and the windproof plate also has a certain energy gathering effect, reduces the influence of environmental factors on the combustion condition, and reduces the heat radiation of combustion on the environment; in the welding process of the pot support, auxiliary positioning welding is carried out through the auxiliary table, so that the parts are accurately positioned, the relative movement between the parts in the welding process is avoided, the actual welding precision and welding quality are effectively improved, and the structural stability of the pot support after welding processing is ensured.

The invention relates to the technical field of welding devices, in particular to a metal plate multi-station welding table which comprises a welding table body, welding equipment, a station plate and a driving motor, and further comprises an adjusting assembly, a fixing assembly, a limiting assembly, a transmission assembly, a swing assembly and a cleaning assembly, the welding equipment is installed on the rear portion of the top of the welding table body, the adjusting assembly is installed on the top of the welding table body and located in front of the welding equipment, the driving motor is installed at the bottom of the adjusting assembly, and the station plates are installed on the top of the adjusting assembly in an annular array mode. The L-shaped plate, the rib plate and the limiting assembly are all installed on the top of the station plate, and the L-shaped plate and the rib plate are installed on the inner side of the limiting assembly. Through the arrangement of the adjusting assembly, the transmission assembly and the fixing assembly, the welding quality is improved, and the equipment fixing effect is improved on the premise that the feeding and discharging efficiency of workers is guaranteed.

The utility model belongs to the technical field of bar welding, and particularly relates to a positioning adjusting mechanism which comprises a base plate, a lifting assembly, a transverse moving assembly and a clamping assembly, the lifting assembly comprises a lifting plate, a lifting air cylinder and a guide assembly, one side of the lifting plate is connected with the transverse moving assembly, and the transverse moving assembly is used for driving the clamping assembly to move front and back; the lifting air cylinder is in transmission connection with the lifting plate, a guide assembly is installed between the lifting plate and the base plate, a clamping assembly is installed on the lifting plate, and the clamping assembly is used for clamping a workpiece to be welded so as to position the workpiece to be welded; the automatic feeding device can be compatible with automatic feeding and automatic centering, clamping and feeding of bar materials or bar sheet materials with different sizes to a welding position, the welding consistency and the welding quality of products are improved, high-precision discharging is guaranteed, position adjustment is carried out at any time in the welding process, and the production efficiency and the safety are improved.

The application discloses a shield cutter disc wear detection and repair construction method under a river channel, and steps are as follows: S1, selecting a shutdown point to stop the shield machine, and preparing for the construction of a water stop ring in a hole; S2, opening a warehouse to check the wear conditions of a working face and a cutter disc of the shield machine; S3, constructing a working pilot tunnel according to construction requirements; S4, measuring the wear amount and wear shape of the cutter disc in the working pilot tunnel; and S5, repairing the cutter disc in the working pilot tunnel. The method improves the construction trench excavation efficiency, is fast in construction speed, reduces the influence on the construction period, is low in construction cost, is small in construction difficulty, has construction safety guarantee, improves the cutter disc wear detection efficiency and the cutter disc repair welding quality, and guarantees the reliability of the cutter disc structure use.

The invention relates to the technical field of wire harness welding, and discloses a convenient-to-change terminal wire harness welding tool, which comprises an equipment body, a wire harness welding device and a wire harness welding device, the supporting table is arranged on the equipment body and is used for supporting a wire harness and a terminal; and the clamping plates are symmetrically arranged on the equipment body and used for clamping a terminal welding gun, and the clamping plates are arranged above the supporting table and used for wire harness welding. After being pushed aside and separated, the wire harness wires can be fully dried by means of hot air blown out of the air outlet and heat of the separation plate, so that the welding quality can be prevented from being affected by moisture, the welding effect is guaranteed, the wire harness wires can be clamped and arranged subsequently, the wire harness wires can be reset and gathered together, the subsequent welding is prevented from being affected, and the welding quality is improved. According to the wire harness wire straightening device, part of the bent wire harness wires which are not located at the air outlet can be straightened, so that the part of the wire harness wires can be located at the air outlet and are fully dried, and the drying effect is improved.

The application discloses a drilling, spinning and welding integrated machine for a coaxial heat exchanger, which comprises a workbench, a punching mechanism, a spinning mechanism, a welding mechanism and a material transfer mechanism, and the workbench is provided with a first material loading station, a second material loading station, a punching station, a spinning and welding station and a third material loading station; the spinning mechanism can be moved close to the spinning and welding station to neck the outer sleeve pipe to press the inner pipe, then be moved away from the spinning and welding station, then the second rotary material transfer mechanism drives the outer sleeve pipe to drive the inner pipe to rotate synchronously, and the welding mechanism welds the synchronously rotating outer sleeve pipe and inner pipe on the spinning and welding station. When the coaxial heat exchanger is manufactured, the automatic punching, necking and welding of the outer sleeve pipe and the inner pipe can be realized, the outer sleeve pipe and the inner pipe are coaxially distributed and stably synchronously rotated under the action of the first rotary material transfer mechanism and the second rotary material transfer mechanism, the welding quality is guaranteed, and the product quality of the coaxial heat exchanger is guaranteed.

The application provides a fusion depth detection method and system of a radiation shielding structure and a fusion device, and relates to the technical field of fusion device manufacturing technology. Support columns are sequentially arranged in multiple partitions, and each partition is connected to the support column by welding. The fusion depth detection method comprises the following steps: installing a detection probe on the support column; controlling the detection probe to emit detection ultrasonic waves towards the welding position of the multiple partitions and the support column; obtaining the depth of the upper surface and the depth of the lower surface of the welding seam corresponding to each partition; and obtaining the fusion depth of the welding seam corresponding to each partition according to the depth of the upper surface and the depth of the lower surface. The fusion depth detection method of the radiation shielding structure can obtain the depth of the upper surface and the depth of the lower surface of the welding seam corresponding to each partition through the detection probe, so as to obtain the fusion depth of the welding seam corresponding to each partition. The method can improve the accuracy of the detection result, is simple to operate, can check the welding quality, ensures the welding reliability, and improves the use reliability of the radiation shielding structure.

The utility model relates to a welding argon filling protection auxiliary device, and belongs to the technical field of welding tools. The welding argon filling protection auxiliary device comprises a conveying trolley, a conveying rail which is in sliding fit with the conveying trolley and is installed in a stainless steel pipeline, an inflating mechanism and a lifting mechanism which is arranged on the conveying trolley and drives the inflating mechanism to ascend and descend. The inflation mechanism comprises an inflation base fixed to the lifting mechanism, an inflation head arranged at the top of the inflation base, an air conveying pipe arranged on the side wall of the inflation base and communicated with the inflation head and a sealing plug used for sealing the welding back hole, and the other end of the conveying pipe is communicated with a protection air source. The welding device has the effects of improving the welding quality and ensuring the physical and psychological health of operators.

A welding device of a static contact includes a positioning mechanism, a welding mechanism, a feeding mechanism and a discharging mechanism. The feeding mechanism includes a moving assembly and a clamping assembly which can be driven to open or clamp. The clamping assembly is connected to the moving assembly and is driven by the moving assembly to move between the positioning mechanism and the welding mechanism. The terminal plate and the static contact plate placed on the positioning mechanism are clamped by the clamping assembly and then are driven to the welding mechanism to be welded into a static contact product. The discharging is completed by the discharging mechanism arranged on one side of the welding mechanism. The device further includes a shaping positioning mechanism arranged on one side of the welding mechanism, which is used to shape and position the terminal plate and the static contact plate before welding and to adjust the position of the static contact product after welding to cooperate with the discharging mechanism. The shaping positioning mechanism is arranged to shape and position once before and after welding, which is beneficial to improve the welding quality and ensure the reliability and safety of the product.

The application discloses a metal sheath cable argon arc welding device, a pay-off rack, a tape pay-off rack, a welding machine, a caterpillar tractor and a take-up rack, the welding machine comprising a longitudinal wrapping forming assembly for allowing the metal sheath to pass through and be formed and a welding gun for welding the metal sheath wrapping a core into a tubular shape, the welding machine being further provided with a controller, a welding gun adjusting mechanism and a camera for capturing the gap position of the longitudinally-wrapped and formed metal sheath, the welding gun being installed on the welding machine through the welding gun adjusting mechanism so that the nozzle of the welding gun is circumferentially rotated around the tubular metal sheath through the welding gun adjusting mechanism to adjust the nozzle of the welding gun to face the gap position of the longitudinally-wrapped and formed metal sheath. The application can realize automatic following of the nozzle of the welding gun to the gap position of the metal sheath, realize real-time adjustment of the nozzle of the welding gun in an intelligent manner, ensure welding quality and wrapping performance of the metal sheath.

The utility model relates to a valve device and heat exchange equipment, the valve device comprises a valve body, the valve body comprises a main body part and a pipe connecting part, the main body part is provided with a valve cavity, a pipe connecting hole part is arranged in the pipe connecting part, the pipe connecting part is arranged at one axial end of the main body part, the valve cavity communicates with the pipe connecting hole part, and the outer diameter of the pipe connecting part is larger than that of the main body part. According to the arrangement of the valve device, the outer diameter of the pipe connecting part is set to be larger than that of the main body part, the purpose of miniaturization of the valve device can be achieved, meanwhile, the valve device is suitable for all connecting pipes in the prior art, the applicability is improved, meanwhile, the welding quality of the valve device and the connecting pipes can be guaranteed, and the product quality is guaranteed.

The utility model provides a turnup sleeve internal part assembling frame which comprises an upper supporting frame, a lower supporting frame, an inclined strut support, equal-height strips, an outer clamping ring and a clamping plate, the upper supporting frame and the lower supporting frame are arranged on the upper side and the lower side of a turnup sleeve internal part product respectively, the inclined strut support is arranged on the four center lines, and the equal-height strips are arranged on the outer clamping ring. The flange sleeve has the advantages that the butt welding quality of scattered pipes at the upper end of a cylinder and multiple rows of pipe holes in an annular collecting box is effectively improved, the flatness of an annular plane formed by the scattered pipes at the lower end of the flange sleeve and the precision of butt joint with other cylinder bodies after the bottom of the flange sleeve is bent are guaranteed, and the geometric dimension and the product rigidity of the flange sleeve are remarkably improved; and subsequent welding deformation is prevented, and the manufacturing period of a product is remarkably shortened while the product quality is guaranteed.

The application discloses a kind of vacuum box welding deformation control methods, first to plate stress relief treatment, then plate is placed on tool fixture and is pre-tightened fixed, then welding is carried out, when welding, the welding sequence of the combination of symmetrical welding and sectional skip welding is used, the welding deformation of vacuum box is monitored in real time using non-contact laser measuring instrument, welding process parameters or tool fixture are adjusted in time, after welding is completed, overall stress relief annealing treatment is carried out to vacuum box, then size detection is carried out, and the small deformation existing is corrected using mechanical shaping or hydraulic shaping method.This kind of vacuum box welding deformation control method reduces the influencing factor of welding deformation from source, improves welding quality, guarantees the dimensional accuracy of vacuum box in the process of welding, the dimensional accuracy and service performance of vacuum box are significantly improved, meet the manufacturing demand of high-precision vacuum box, with good economic benefit and application prospect.

This invention belongs to the field of CCS component welding, specifically relating to an ultrasonic welding method and connector for CCS modules. The method includes the following steps: providing an ultrasonic welding system and a mobile carrier; providing a CCS module and placing the CCS module within the mobile carrier; controlling the mobile carrier to move to the ultrasonic welding system, identifying and acquiring the support position on the lower surface of the CCS module using a first camera, and identifying and acquiring the welding area on the upper surface of the CCS module using a second camera; activating the ultrasonic welding system so that the bottom mold and welding head of the ultrasonic welding system are respectively positioned opposite the support position and the welding area, and used to weld the CCS module into shape; controlling the ultrasonic welding system and / or the mobile carrier to flow into the next welding station, repeating the above steps, and sequentially welding multiple welding areas of the CCS module using the ultrasonic welding system. This invention can improve product welding quality, ensure product yield, and reduce production and processing costs.