1013results about "Solder feeding devices" patented technology

The utility model discloses a full-automatic tin soldering machine which comprises a tin soldering table, a tin soldering mechanism, a visual detection device, a tin breaking and supplying assembly and a dust removal device, workpiece guide rails are arranged on the tin soldering table, each workpiece guide rail is connected with a sliding table in a sliding mode, jigs are placed on the sliding tables, and workpieces to be welded are contained on the jigs. A first support and a second support are fixedly arranged above the tin soldering table, a first sliding rail is arranged on the first support, a second sliding rail is arranged on the second support, the first sliding rail is parallel to the second sliding rail, the first sliding rail and the second sliding rail are both perpendicular to a workpiece guide rail below, and a visual detection device is slidably connected to the first sliding rail. The visual detection device can identify and position the pin welding position on the workpiece, the second sliding rail is slidably connected with a tin soldering mechanism, the tin breaking and supplying assembly is connected to the side face of the tin soldering mechanism, and the dust removal device is arranged behind the tin soldering table. Whole-process automatic operation of welding spot positioning, automatic tin supplying and breaking and automatic tin soldering can be achieved, and the automatic tin soldering machine has the advantages of being stable and rapid in operation and high in safety.

The precise welding control method for vacuum brazing comprises the steps that the geometrical shape and material characteristics of a workpiece are obtained, modeling processing is conducted in combination with the geometrical shape and the material characteristics, and a high-dimensional tensor and a high-dimensional time sequence are compared and calculated to obtain a deviation matrix; based on the deviation matrix, the brazing heating power and the brazing filler metal supply rate are adjusted, and a real-time control instruction set is generated; constructing a deep reinforcement learning model, performing iterative optimization on the real-time control instruction set based on the deep reinforcement learning model, extracting weld defect characteristics of the workpiece, generating a weld quality score according to the weld defect characteristics, and obtaining a difference value between the weld quality score and a set threshold value; and performing comprehensive optimization on the optimization parameter vector according to the difference value to generate a global optimization parameter set. According to the method, systematic dynamic control over complex geometrical shapes and multi-material workpieces is achieved, the defects of response lag and insufficient regulation and control are overcome, and therefore the process stability and production efficiency of vacuum brazing are greatly improved.

The invention relates to the field of welding devices, in particular to an inductance coil welding technology which comprises the following steps that firstly, a bent section of an inductance coil is sleeved with a wiring terminal; secondly, the inductance coil is placed on a positioning jig of a welding device to be positioned; 3, starting a welding device, and welding the wiring terminal and the bent section of the inductance coil; and fourthly, the welded inductance coil finished product is taken down from the positioning jig, meanwhile, the inductance coil to be welded is placed on the jig, and the first step, the second step and the fourth step are repeated. The welding efficiency and the welding quality of the double-layer inductance coil are improved at the same time.

The invention discloses wave-soldering equipment based on visual inspection, and relates to the technical field of wave-soldering equipment, the wave-soldering equipment comprises a case, a clamping unit, a spraying unit, a preheating unit, a welding unit and an adjusting unit, the case is used for installing and fixing the clamping unit, the spraying unit, the preheating unit, the welding unit and the adjusting unit, the clamping unit is used for clamping a PCB, and the adjusting unit is used for adjusting the spraying unit. The spraying unit is used for coating soldering flux, the preheating unit is used for evaporating moisture in the soldering flux, the welding unit is used for welding pins of the PCB, the adjusting unit is used for adjusting wave crests, the PCB is clamped through the clamping unit in the transportation process of the PCB, and after the soldering flux is sprayed to the PCB through the spraying unit, the PCB is conveyed to the welding unit through the adjusting unit. The preheating unit evaporates moisture in the soldering flux, the PCB is welded through the welding unit, and the wave crest height is adjusted through the adjusting unit during welding, so that the welding quality is improved.

The invention relates to the technical field of welding, in particular to a solder ball preparation device for soft soldering, which comprises a ball storage tank with a mounting seat higher than a solder ball separation device, a solder ball conveying shaft is hermetically and slidably connected into the ball storage tank, and a solder ball conveying channel is formed in the center of the solder ball conveying shaft. The lower end of the solder ball conveying shaft is fixedly and hermetically connected with a ball falling hose, one end, far away from the solder ball conveying shaft, of the ball falling hose is fixedly and hermetically connected with an air pipe connecting sleeve, and the air pipe connecting sleeve is fixedly connected to the solder ball separating device and communicated with a ball storage groove of the solder ball separating device. Through the synergistic effect of multiple structures, automatic and continuous supply of the solder balls is finally achieved, the problem that the storage capacity of a ball storage bin in an existing solder ball separation device is limited is solved, high efficiency and stability of feeding of the solder balls large in size in the long-time welding process are guaranteed, and the requirement of soft soldering for solder ball supply is met.

A wave soldering machine is configured to perform a wave soldering operation on a printed circuit board. The wave soldering machine includes a housing and a conveyor coupled to the housing. The conveyor is configured to deliver a printed circuit board through the housing. The wave soldering machine further includes a wave soldering station coupled to the housing. The wave soldering station includes a solder pot having a reservoir of solder material, a flow duct positioned in the reservoir of the solder pot, and a wave soldering nozzle assembly coupled to the flow duct. The wave soldering nozzle assembly has a solder distribution baffle configured to create a solder wave. The wave soldering nozzle assembly is configured to control a width of the solder wave through the solder distribution baffle to produce a maximum width solder wave and a minimum width solder wave.

The utility model provides a charge coupled device (CCD) tin wire soldering machine, which relates to the technical field of tin wire soldering machines and comprises a machine body, and a support base is fixedly mounted at the bottom end of the machine body. By arranging the machine body, the supporting base, the working platform, the drawer, the lamplight plate, the illuminating lamp, the camera, the lead screw module, the base plate, the Y-direction movement shaft, the Z-direction lead screw, the Z-direction servo motor, the upper silver guide rail and the like, when the equipment is used, manual labor can be effectively solved, manual operation and certain technical errors are reduced, and the production efficiency is improved. And meanwhile, by arranging the fixing plate, the front arm and other structures, any position needing to be welded can be adjusted, and automation and intellectualization are achieved in the welding process. And meanwhile, the welding has the functions of flexible and diversified tin soldering modes, spot welding, drag welding and the like so as to adapt to various high, medium and low-difficulty tin soldering operations, so that the welding quality is improved.

The invention discloses an attaching machine, which comprises a wire feeding mechanism used for feeding, feeding, pulling, cutting and connecting multiple groups of cables; the tray conveying mechanism is used for conveying trays; the circular conveying mechanism comprises a jig device which moves circularly, the tray conveying mechanism conveys trays to the jig device, and the cable conveying mechanism conveys a plurality of groups of cables to the trays on the jig device for cable arrangement; the rubberizing mechanism is used for adhering and bonding the plurality of groups of cables on the tray, so that the plurality of groups of cables are adhered and fixed on the tray; and the discharging mechanism is used for discharging the trays subjected to cable attaching and fixing. The cable feeding mechanism is used for feeding, feeding, pulling, cutting and connecting multiple sets of cables and conveying the multiple sets of cables to a tray on the circulating conveying mechanism, the tray feeding mechanism conveys the tray to the circulating conveying mechanism, cable arrangement is completed on the circulating conveying mechanism, adhesive paper is conveyed through the adhesive tape pasting mechanism, adhesive tape pasting is completed at the same time, and the cable feeding mechanism is used for feeding, feeding, pulling, cutting and connecting the multiple sets of cables. And finally, discharging is conducted through the discharging mechanism, full automation is achieved in the whole process, manual participation is not needed, and efficiency is improved.

The utility model discloses a wire arranging device for full-automatic continuous welding, which belongs to the technical field of automation and comprises a bottom plate, a wire harness feeding transmission device for feeding wire harnesses is mounted on the upper end face of the bottom plate, and a continuous wire arranging component for arranging the wire harnesses is mounted on the upper end face of the bottom plate; the wire harness transferring and pushing assembly is used for transferring wire harnesses on the wire harness feeding transmission device to the continuous wire arranging assembly, and the wire harness transferring and pushing assembly is further used for pushing the wire harnesses arranged on the continuous wire arranging assembly to the tinning station and the welding station; the continuous wire arranging assembly comprises a plurality of wire arranging assemblies and a second conveying belt assembly, the wire arranging assemblies are installed on the outer wall of a conveying belt of the second conveying belt assembly at equal intervals, a main body support of the second conveying belt assembly is fixedly connected with the upper end face of the bottom plate, and a motor is fixedly installed on the main body support of the second conveying belt assembly; by means of the mode, continuous feeding and discharging of the wire harnesses are achieved.

A method for normalizing the solder interconnects (e.g., normalizing the height of the solder ball interconnects) in a circuit package module (e.g., dual-sided mold grid array package module) after removal from a test board includes receiving in a fixture the circuit package module upside down and removably coupling a stencil to the fixture and over the circuit package module. The stencil has a pattern of apertures that coincides with the pattern of solder interconnects of the circuit package module. The method also includes applying solder paste over the stencil to pass through the apertures to add solder paste to the solder interconnects. The method also includes removing the stencil from over the fixture, and removing the circuit package module from the fixture. The circuit package module can be heated to reflow the solder interconnects with the added solder paste.

The invention relates to the technical field of continuous wave soldering, in particular to selective continuous wave soldering equipment based on electronic components, which comprises a base, a conveying unit, a soldering unit, a guide component and an auxiliary component. According to the welding device, firstly, the upper die base and the lower die base are closed and locked, a welding area is accurately opposite to the nozzle by means of the guide assembly, the welding quality and welding efficiency of follow-up welding are ensured, and batch rapid production is facilitated; the upper die base and the lower die base serve as first-stage covering protection, and the guide assembly limits the height of the nozzle; the tin solution is cooled before welding to form second-stage temperature protection, then third-stage protection is formed by means of nitrogen filling in in the welding process, fourth-stage protection is formed through preheating and cooling protection in the auxiliary assembly, in conclusion, through the four-stage temperature protection, the problem that components are damaged due to high temperature is solved, and the welding quality is improved.

The utility model discloses a hinge type roller wire feeding mechanism which comprises a wire feeding mechanism body, the wire feeding mechanism body comprises an installation support and two rows of wire feeding rollers rotationally arranged in the installation support, the radial side walls of the two rows of wire feeding rollers directly face each other, and a gap channel is formed between the two rows of wire feeding rollers. The gap channel is used for penetration of a welding wire; a ball head is arranged at one end of the installation support, a ball socket matched with the ball head is formed in the other end of the installation support, a first channel used for allowing a welding wire to penetrate through is formed in the ball head, a second channel used for allowing the welding wire to penetrate through is formed in the ball socket, and the first channel and the second channel are both communicated with the gap channel. The wire feeding mechanism has the advantages that the flexibility of the wire feeding mechanism is improved, and the problems that friction between a welding wire and the wire feeding wheel is large, and the welding wire is prone to deformation and galling are solved.

The application belongs to the technical field of laser welding, and particularly relates to a laser wire filling welding device and a laser wire filling welding method. The laser wire filling welding device preheats a welding wire to a predetermined temperature, reduces a temperature threshold span between the welding wire and metal material, changes a temperature field formed by a welding molten pool from violent to gentle, forms regular stirring, avoids excessive free stirring of the molten pool, further reduces metal splashing during welding, and improves welding quality.

The invention relates to the technical field of metal welding, and discloses laser welding equipment for aluminum profile door and window production. Comprising a welding gun, a laser transmitting tube fixedly installed at a muzzle of the welding gun, a wire feeding gun rotationally installed on a gun body of the welding gun, a first hose fixedly installed at one end of the wire feeding gun and a wire feeding mechanism connected with the end, away from the wire feeding gun, of the first hose, and a conical groove allowing a welding wire to pass through is formed in the end, close to the first hose, of the wire feeding gun. A wire stabilizing mechanism is arranged in the wire feeding gun and comprises a plurality of split clamping plates capable of sliding in the radial direction of the wire feeding gun, and arc-shaped guide faces allowing welding wires to penetrate through are formed in the inner walls of the split clamping plates. A sensing mechanism located in front of the split clamping plate is further arranged in the wire feeding gun. The device can automatically adjust the contraction degree of the split clamping plates according to the change of the wire feeding speed, can automatically loosen at a low speed to reduce the wire feeding resistance and prevent welding wires from being stacked or scratched on the surface, and can automatically tighten at a high speed to provide enough damping and rigidity.

The invention discloses a laser welding robot system and a working method thereof, and belongs to the technical field of laser welding.The laser welding robot system comprises a mechanical arm and a laser welding gun arranged at the end of the mechanical arm, and the laser welding gun is installed at the end of the mechanical arm through an adjustable swing mechanism; supporting plates which are symmetrically arranged are arranged between the mechanical arm and the laser welding gun, an adjustable swing mechanism for adjusting the laser welding gun in real time is arranged between the supporting plates, and the adjustable swing mechanism comprises a swing assembly and a driving assembly of the swing assembly. According to the laser welding robot, the driving assembly, the swinging assembly and the wire feeding assembly are designed, so that the laser welding robot can adjust the left-right swinging amplitude of the welding gun according to the size of a to-be-welded gap during working, the attractiveness of a welding seam is improved, in addition, in the welding process, the wire feeding angle changes along with the welding direction, and the welding quality is improved. Therefore, the working performance of the laser welding robot is improved.

The invention relates to the technical field of circuit board conveying devices, and particularly discloses a controller circuit board feeding device which comprises a reflow soldering furnace, two conveying assemblies and a limiting mechanism, each conveying assembly comprises two first conveying belts rotating reversely, and the two conveying assemblies are installed in the reflow soldering furnace and at the front end of the reflow soldering furnace correspondingly; the limiting mechanism comprises a plurality of limiting plates, the multiple limiting plates are evenly installed on the peripheral side of the first conveying belt in an oval ring shape, each limiting plate comprises a clamping part and a supporting part, the clamping parts are prepared and formed by elastic materials, and in the initial state, the supporting parts are arranged on the supporting parts. The clamping part inclines in the direction away from the first conveying belt from top to bottom. The supporting part is horizontally connected to the lower end of the clamping part. Through cooperation of the first conveying belt and the limiting plate, clamping and automatic conveying of the circuit board are achieved, the stability of the circuit board is ensured, displacement of elements is avoided, and the welding quality is ensured.

The invention discloses a continuous flame brazing machine, which belongs to the technical field of brazing and comprises a base and a turntable. The rotary table is installed on the base table in an intermittent rotating mode, six sets of tool assemblies are evenly installed on the outer edge of the rotary table at equal intervals in a circumferential array mode, and the tool assemblies comprise a tool table, a fixed type base tool assembly and a lifting type pipeline tool assembly. A feeding and discharging station, a welding ring assembling station, a welding paste smearing station, a preheating station, a brazing station and a cooling station are arranged on the portion, around the rotary disc, of the base table in the rotating direction of the rotary disc at equal intervals. After the base and the pipeline of the pipeline assembly are installed on the fixed base tool assembly and the lifting type pipeline tool assembly of the tool assembly respectively, the rotary disc drives the tool assembly to flow between different stations, automatic, high-efficiency and high-precision assembly brazing operation on the base and the pipeline is achieved, the labor intensity of workers is reduced, and the assembly efficiency is improved. The brazing forming efficiency of products is improved, and the consistency of the quality of finished products is effectively ensured.

A printing result prediction device is configured to predict a volume of solder paste printed by a printer onto a substrate. The printer is configured to print the solder paste by filling the solder paste into a stencil aperture of a stencil disposed on the substrate. The printing result prediction device includes a calculation part. The calculation part is configured to input a printing condition to a prediction model trained by machine learning, and predict a volume of solder paste printed by the stencil aperture of the stencil in a next printing using the input printing condition. The printing condition includes stencil information related to the stencil used to print, solder paste information related to the solder paste used to print, substrate information including unevenness information related to a protrusion on the substrate used to print, and a printing parameter of an operation of the printer when printing.

The utility model discloses a semi-automatic welding tool for bonding wires, which comprises a base and an electric soldering iron, a jig and an angle regulator are mounted on the base, a lead positioning groove is arranged on the jig, the electric soldering iron is arranged above the jig, a guide rail is arranged corresponding to the electric soldering iron, a sliding seat sliding along the guide rail is arranged on the guide rail, and the electric soldering iron is mounted on the sliding seat. A guide rail is arranged on the base, a belt and a motor which are arranged in a surrounding mode are arranged on the guide rail, the motor drives the belt to drive the belt, the sliding base is connected to the belt, the guide rail is installed on an angle adjuster, and therefore the angle of the electric iron can be adjusted. And a suction opening is formed in a position close to the lead positioning groove. Therefore, the operation of tin soldering is greatly facilitated, and the efficiency of wire welding is improved.

The invention relates to the technical field of automation, in particular to an electronic element automatic tin soldering testing device which comprises a tin soldering unit and a testing unit, a material receiving and transferring mechanism is arranged between the tin soldering unit and the testing unit, and the tin soldering unit is used for tin soldering of an electronic element. After tin soldering is completed, the electronic components are transferred and conveyed to the testing unit through the material receiving and transferring mechanism, the testing unit comprises a voltage withstanding testing mechanism, a testing and transferring mechanism, an interlayer testing mechanism and a comprehensive testing mechanism, and the voltage withstanding testing mechanism is used for grabbing the electronic components from the material receiving and transferring mechanism and then positioning the electronic components to conduct voltage withstanding testing on the electronic components; and after completion, the test transfer mechanism sequentially transfers to the interlayer test mechanism and the comprehensive test mechanism for testing. According to the invention, the accuracy and integrity of the soldering tin quality and the electrical performance detection of the reactor are improved, the quality of the reactor leaving a factory is effectively guaranteed, and the subsequent fault risk caused by welding or performance defects is reduced.

The utility model provides a ball mounting tool of a package substrate solder ball. The ball mounting tool comprises a positioning plate and a carrier plate stacked on the positioning plate. The positioning plate is provided with a first rectangular center area and a first frame area, the first center area is provided with a first through hole penetrating through the positioning plate, and the carrier plate is located in the first center area and adsorbed to the surface of the positioning plate in a vacuumizing mode; the upper surface of the positioning plate is provided with the protruding blocks used for being filled in the hollow area of the carrier plate, so that the carrier plate forms a plane integrally after being embedded in the positioning plate, the stability of the ball mounting process is guaranteed, and the defects of multiple balls, poor welding, missing and the like during solder ball mounting are further avoided. By means of the jig, the hollow-out carrier plate can be normally subjected to solder ball planting operation, the production and machining capacity of the hollow-out carrier plate is improved, and abrasion of a scraper and a steel mesh in the operation process is reduced.

The invention discloses a battery and circuit board machining device and a control method thereof.The device comprises a mounting frame, a mounting jig arranged on the mounting frame, a conveying device, a welding device, a detecting device and a controller, and the mounting frame is provided with a feeding station, a welding station, a detecting station and a discharging station; the mounting jig is used for placing a circuit board assembled with a battery; the conveying device is used for driving the mounting jig to be switched among a feeding station, a welding station, a detecting station and a discharging station in turn. The welding device is used for welding the circuit board and the battery tab on the mounting jig; the detection device is used for detecting the circuit board on the mounting jig, and the controller controls all the devices to work. According to the scheme, the mounting jigs are switched among the stations in turn through the conveying device, the circuit boards on the mounting jigs after the stations are switched are welded, detected and unloaded, the circuit boards on the multiple mounting jigs can be machined at the same time, the working efficiency is greatly improved, and the welding quality is improved.

The invention relates to a method for strengthening and toughening a ceramic matrix composite material brazed joint through a laser-induced surface texturing structure. The method is mainly used for preparing a fiber reinforced composite material and brazed connection of the fiber reinforced composite material and metal. The method solves the problems of high residual stress and poor strength and toughness of the fiber reinforced composite material and metal brazed joint. The method comprises the following specific steps: processing the fiber reinforced composite material into a required size, polishing and cleaning the fiber reinforced composite material, and performing surface ablation treatment on a to-be-welded surface of the fiber reinforced composite material by using a laser to obtain the textured fiber reinforced composite material; and then the alloy is used as base metal to be in brazed connection with metal. A sawtooth structure is formed on the surface of a material and pores are opened through laser irradiation by utilizing the ablation difference between fibers and a matrix material, so that a mechanically interlocked pinning structure is constructed in a brazed joint, and the modification of an interface microstructure is realized. When the structure is stressed, crack bridging, deflection and fiber pulling-out can be induced, crack propagation energy is effectively consumed, and the mechanical property of a joint is improved. In addition, a uniform eutectic phase generated by laser ablation is beneficial to improving the thermal physical property and the plasticity and toughness of a welding seam, and a joint is further strengthened. According to the method, the interface microstructure can be effectively regulated and controlled, and the comprehensive mechanical property of the fiber reinforced composite material and the metal joint is remarkably improved.

The three-blade straight knife automatic welding equipment comprises a supporting frame, a workbench and a bottom plate are fixed to the supporting frame, and two fixing mechanisms are fixed to the workbench through turnover mechanisms; a clamping groove used for containing a tray is formed in the bottom plate, and the tray is used for containing a knife handle, a blade and a tool. A solder supply mechanism and a first mechanical arm are fixed to the upper side face of the workbench. A second mechanical arm is fixed to the lower side face of the workbench. A mounting frame is fixed on the workbench; a camera is fixed on the bottom plate; and a heating coil is fixed on one welding flux supply mechanism. According to the automatic welding equipment and method for the three-blade straight knife, firstly, an automatic mode is adopted, the quality and efficiency are improved, secondly, the double-station parallel design is adopted, the production takt is optimized, in addition, a positioning mechanism in the fixing mechanism can ensure the relative relation between a blade and a knife handle, and finally, a reliable grabbing point is provided through the tool design, so that the production efficiency is improved. Therefore, the cutter is prevented from being damaged.

Soldering nozzle (10) for selective soldering, comprising a base body (12) extending along a longitudinal axis (L), with a nozzle base (14) having a solder inlet opening (16), with a solder outlet (18) for forming a solder wave, wherein the solder outlet (18) has a solder outlet opening (20), wherein the solder inlet opening (16) and the solder outlet opening (20) are spaced apart from one another and connected by a solder channel (22), wherein separating elements (24) are provided in the solder outlet opening (20). It is provided that the base body (12) has a base region (26) extending from the nozzle base (14) and in the direction of the solder outlet (18) and having a cross section (QB) with an at least largely round outer contour (AB), and an outlet region (28) extending from the solder outlet (18) and in the direction of the nozzle base (14) and having a cross section (QA) with an at least largely square outer contour (AA).

A wave soldering station includes a solder pot having a reservoir of solder material, a flow duct positioned in the reservoir of the solder pot, and a wave soldering nozzle assembly coupled to the flow duct. The wave soldering nozzle assembly has a solder distribution baffle configured to create a solder wave, a throttle gate coupled to the flow duct and configured to move from an open position to enable complete flow of solder through the solder distribution baffle and a closed position to inhibit a portion of flow of solder through the solder distribution baffle, and an exit wing coupled to the flow duct and configured to move from a lowered position to enable increased solder flow and a raised position to decrease solder flow. A controller is configured to control the movement of the throttle gate and the exit wing to control the flow of solder.

The invention discloses an inductor and inductor tin soldering equipment and method, and relates to the technical field of inductor tin soldering, the inductor and inductor tin soldering equipment and method comprise a processing plate and five insulating shells, a framework is arranged in each insulating shell, the inner wall of each framework is fixedly connected with a magnetic core, the outer surface of each framework is wound with a coil, and the coils are arranged in the processing plate. The inner wall of each framework is fixedly connected with a packaging plate, the inner wall of each packaging plate is fixedly connected with the outer surface of the corresponding coil, the interior of each coil comprises a first copper ring layer, the outer surface of each first copper ring layer is fixedly connected with a carbon nano tube layer, the outer surface of each carbon nano tube layer is fixedly connected with a graphene layer, and the outer surface of each graphene layer is fixedly connected with a graphene layer. The outer surface of each graphene layer is fixedly connected with a second copper ring layer, according to the inductor and the tin soldering method of the inductor, by arranging the semi-sealing unit, the cleaning unit and the gas treatment mechanism, the problem that when equipment is used, tin liquid makes contact with oxygen in air for a long time, and the tin liquid is prone to being subjected to an oxidation reaction with the oxygen can be solved.

The invention provides wire harness production equipment and a humidifier wire harness assembly of a refrigeration household appliance, and belongs to the technical field of wire harness production. The wire harness production equipment comprises a machine base, feeding rollers and a tin pick-up mechanism, the feeding rollers are symmetrically and rotationally installed on the side wall of the machine base, the tin pick-up mechanism is installed on the surface of the machine base, and the tin pick-up mechanism comprises an installation base, a first clamping block and a lifting plate. By arranging the tin dipping mechanism, a second telescopic rod on the right portion drives a telescopic cylinder to move leftwards, a wire harness penetrates through the position between lifting plates on the upper side and the lower side, then a second motor drives the lifting plates on the two sides to move close to each other, after completion, a first motor drives a mounting base to rotate by 60 degrees, one end of the wire harness is inserted into scaling powder, and after completion, the wire harness is fixed. And the first motor drives the mounting base again to rotate by 30 degrees, one end of the wire harness is inserted into the tin liquid box through the second telescopic rod, synchronous tinning of the two ends of the wire harness can be completed, then the wire harness subjected to tinning is put into the collecting box through the third clamping block to be collected, and use is convenient.

The utility model relates to the technical field of welding, in particular to selective soldering tin equipment which comprises a bottom box, first electric guide rails, second electric guide rails and the like, two groups of first electric guide rails are mounted at the bottom in the bottom box, each group comprises two first electric guide rails, and the second electric guide rails are jointly mounted on sliding blocks of the two first electric guide rails in the same group. The first electric guide rail and the second electric guide rail can be controlled to operate through the PC control systems, the tin pots are moved to the positions below the defective welding spots, then the PC control systems control the telescopic rods of the lifting air cylinders to stretch out and draw back, the tin pots are driven to move up and down, repair welding is conducted on the defective welding spots, the two PC control systems and the two tin pots form two stations, and welding efficiency is improved. When one workpiece breaks down, the operation of the other workpiece cannot be affected, the working efficiency is ensured, the machining time and requirements of different workpieces are different, and the working efficiency can be improved through separate control.

A solder supply unit able to be attached to a solder cutting unit and is able to detached is provided. The solder supply unit includes a reel holder rotatably holding a reel of a tape-like solder material; and a guidance member guiding the tape-like solder material wound around the reel when the tape-like solder material is fed out. The guidance member includes an extension portion guiding a lower surface of the tape-like solder material along a feeding direction of the tape-like solider material; and an opening penetrating the extension portion in an up-down direction and extending toward an upstream side in the feeding direction from a downstream end of the guidance member. The opening is formed in the predetermined length in the feeding direction so that a holding member, which holds the tape-like solder material together with another holding member, is able to move in the feeding direction.