85results about "Solder feeding devices" patented technology

The invention discloses a battery string, a photovoltaic module and a welding method of the battery string, and relates to the technical field of photovoltaics. The battery string comprises battery pieces and an interconnection belt. The battery piece is provided with an electrode; the interconnection belt comprises a conductive core and a conductive connection layer wrapping the conductive core, and the conductive connection layer is welded with the electrode; the conductive connecting layer comprises a direct connecting part and a covering part which are connected with each other, the direct connecting part is arranged between the conductive core and the electrode, and the thickness of the direct connecting part is smaller than that of the covering part. Compared with the prior art, the battery string provided by the invention adopts the conductive connecting layer coated outside the conductive core and the direct connecting part of which the thickness is smaller than that of the covering part, so that the tight contact between the interconnection belt and the electrode can be ensured, the situation of local pseudo soldering or welding spot cavity is avoided, the offset of the interconnection belt is avoided, and the welding effect is improved; and the resistance between the interconnection band and the electrode can be reduced, and the photovoltaic power generation efficiency is ensured.

The application relates to the technical field of soldering technology, and discloses a soldering equipment and a soldering production line. The detection equipment comprises a supporting seat, a first motor, a limiting clamp for limiting and overturning the soldering piece, and a pneumatic clamp for fastening the soldering piece. The supporting seat is connected with a screening equipment for screening the soldering piece at the end along the conveying direction of the conveying equipment. The bottom of the screening equipment is connected with a rotating column and a poking piece for material poking. The soldering equipment and the soldering production line are started by cooperating the screening equipment with a sensor to change the position of the blocking rod, so that the screening purpose is achieved. The cooperation of the rotating column and the poking piece accelerates the screening of the material. When the screening equipment is found to be damaged, the screening equipment can be removed from the supporting seat as a whole and replaced by the replacement means, so that the replacement process of the screening equipment is simplified, and the required maintenance time is shortened.

The application discloses a self-cutting mechanical anchor bolt blade brazing device, which comprises a high-frequency brazing device and a welding wire feeder arranged on a fixed base, a vertical positioning support arranged in the center of the base, and an annular groove arranged around the bottom of the positioning support on the surface of the base; a positioning disc is fixed in the annular groove; a manipulator is arranged on the base; a plurality of anchor bolt positioning strips with convex structures are symmetrically arranged on the surface of the positioning disc and correspond to vertical seams of the anchor bolt; and a plurality of blade holes penetrating through the positioning chuck correspond to the blade grooves of the anchor bolt; the base is provided with a plurality of blade channels in communication with the bottom of the blade holes of the positioning chuck and used for conveying the blades, each blade channel is provided with a conveying rail and a conveying wheel and is connected with a vibrating screen disc for blade arrangement and feeding, so that the blades are automatically conveyed to the blade grooves of the anchor bolt. The brazing device has good stability and high efficiency and can realize accurate and high-quality automatic brazing of the self-cutting mechanical anchor bolt blade.

An automatic welding device for pressure gauge joint and spring tube includes a positioning shaft installed in the middle of a workbench, a conveying turntable sleeved on the positioning shaft, positioning mechanisms evenly installed near the circumference of the conveying turntable, a fixed disc installed on the upper part of the positioning shaft, a gas guide mechanism installed on the fixed disc, the gas guide mechanism connected with the guide holes on the positioning mechanisms through gas guide pipes, a welding mechanism installed on the left side of the conveying turntable, and a solder supply mechanism installed below the welding mechanism. The joint and the spring tube are placed on the positioning seat, the spring tube is positioned by the elastic limiting mechanism and the limiting block, then the welding is completed by the welding mechanism, and the waste produced in the welding process is removed by the discharging mechanism. The gas guide mechanism ensures that the waste produced in the welding process does not block the inner cavity of the joint and the spring tube. The device replaces manual operation with mechanization mode, automatically completes the welding process of the joint and the spring tube, and realizes automatic discharging, liberates labor, improves production efficiency, and solves the safety hidden trouble.

A press-forming device for forming individual solder bodies from a wire of soldering material includes a press-forming mechanism and a separation means. The press-forming mechanism forms a continuous strand of preformed solder sections from the wire by using two notched rollers that rotate in opposite directions and that press opposite notches into the wire. The preformed solder sections are disposed equidistantly along the strand and are connected to each other by connecting links disposed at the notches. The separation means forms individual solder bodies by separating the preformed solder sections one by one at the connecting links. The separation means separates individual preformed solder sections using a cutting mechanism that moves in a direction perpendicular to the length direction of the strand. Individual solder bodies are transported to a solder jetting section where they are liquefied by a laser beam and jetted from the solder jetting section by gas pressure.

This invention relates to a self-reversing pump-driven device for stable flow supply of brazing flux in liquid-cooled plate processing, belonging to the technical field of brazing flux pumping equipment. It includes a valve housing that, together with a variable-capacity diaphragm and a partition plate assembly, defines a dual-path medium-directing valve chamber and a dual-path gas-directing valve chamber that are separated from each other. A diverter input pipe and a combiner output pipe, communicating with the medium-directing valve chamber, are respectively connected to both ends of the valve housing. A linked gas distribution valve assembly is provided on the valve housing, penetrating the partition plate assembly and selectively communicating with the gas-directing valve chamber. Two variable-capacity diaphragms are aligned and arranged within the valve housing cavity in a manner that separates the medium-directing valve chamber and the gas-directing valve chamber. The two variable-capacity diaphragms are linked together by a synchronous horizontal shaft that slides through the partition plate assembly. The linked gas distribution valve assembly is connected to the synchronous horizontal shaft, which undergoes continuous reciprocating lateral movement, via a transmission component penetrating the valve housing. This application can achieve self-reversing function, eliminates the need for a complex external control system, and synchronously achieves stable flow supply during pumping.

This utility model discloses an inverted soldering device for thermistor chips, relating to the field of thermistor chip manufacturing technology. It includes a feeding mechanism and a chip with leads mounted on the feeding mechanism. The leads of the chip are vertically upward. Two sets of soldering structures are symmetrically arranged on both sides of the feeding mechanism's conveying direction. Each soldering structure includes a hot solder box, inside which a hollow solder tube is fixedly installed. A solder outlet tube is located on the side of the solder tube closest to the feeding mechanism, with its outlet aligned with the chip with leads. A fixing plate is located inside the hot solder box, and a first motor is mounted on the fixing plate. The output shaft of the first motor is connected to a small auger, which is located inside the solder tube. This inverted soldering device for thermistor chips facilitates soldering by placing the chip with leads on the side of the feeding mechanism with its leads vertically upward. The two sets of soldering structures achieve double-sided soldering and make the connection between the resistor and its leads more stable.

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 control device includes a brazing controller configured to control a brazing material moving mechanism so as to retract a tip of a brazing material from a heating position to interrupt the brazing, during execution of the brazing, and a movement controller configured to, when the brazing is interrupted, control a movement machine so as to retract a heating device or a base material in a direction opposite to a movement direction during the execution of the brazing, and subsequently advance the heating device or the base material in the movement direction again. The brazing controller resumes the brazing by controlling the brazing material moving mechanism so as to cause the tip of the brazing material to reach the heating position at the same time when the heating device or the base material advanced by the movement controller reaches an interruption position at which the brazing is interrupted.

The application provides a micro-groove assisted ceramic and metal brazing method, a plurality of grooves are prepared on the surface of a ceramic substrate to be brazed, the grooves are strip-shaped and arranged periodically; then filler metal is laid between the ceramic substrate and a metal sheet to form a brazing assembly, and pressure treatment is performed; finally, vacuum brazing is performed on the brazing assembly. The ceramic and metal brazing method is particularly suitable for brazing between Si3N4 ceramic and Cu, and through the synergistic effect of mechanical interlocking of laser micro-grooves, interface reaction of close fitting and clean brazing atmosphere, the shear strength of the joint between Si3N4 ceramic and Cu is greater than or equal to 67 MPa, which is more than 2.5 times of that of a traditional process, and the thermal cycle stability meets the long-term service requirement of an IGBT module in the field of aerospace.

The utility model relates to a soldering iron head and including soldering tin equipment of this soldering iron head. This soldering iron head is used to cross soldering of wire and plug -in component, and including the soldering iron head main part of column shape and the first limiting portion, second limiting portion and send tin portion of setting in the first end of soldering iron head main part, the first limiting portion is constituted to fix the wire at the both sides of the welding of wire and plug -in component, the second limiting portion is constituted to fix the plug -in component at the both sides of the welding of plug -in component and wire, send tin portion is constituted to send soldering tin liquid to the cross soldering of wire and plug -in component when wire and plug -in component are fixed. The soldering iron head of the utility model can carry out 360 degree full -enclosing soldering of the cross soldering of wire and plug -in component, and can ensure that there is no gap between plug -in component and wire after soldering, has improved welding stability and quality reliability.

This utility model discloses a welding fixture for solenoid valve terminals, belonging to the field of solenoid valve terminal welding technology. It includes: a first positioning fixture, a wire clamping module, a second positioning fixture, at least one position fine-tuning module, and at least one soldering iron. The first positioning fixture has several first positioning slots and several positioning posts. A first positioning component is disposed within each of the first positioning slots, and a second positioning slot and a pair of third positioning slots are disposed on each first positioning component. The wire clamping module is arranged adjacent to the first positioning slots and is used to clamp the connecting wire. The second positioning fixture has a first guide rod and a first slide rail. The position fine-tuning module is connected to the second positioning fixture and its position on the second positioning fixture is adjustable. The soldering iron is connected to the position fine-tuning module, which is used to adjust the position of the soldering iron. The soldering iron is equipped with a solder feeding mechanism. This utility model can adapt to various types of valve seats and connecting wires, greatly improving welding efficiency and welding quality.

The utility model discloses a kind of wire stripping tin sticking equipment, comprising: stripping mechanism, for the two ends of a certain length wire stripping;Tin sticking mechanism, including material moving assembly, tin component and lower pressing component, the material moving assembly is used to move wire after stripping between the tin component and the lower pressing component, the tin component is located below the lower pressing component, the lower pressing component is used to press the two ends of wire to the tin component;The tin component includes tin furnace, first power piece that drives the tin furnace lift, tin liquid inside the tin furnace is used for heating;The lower pressing component includes two lower pressing pieces, second power piece that drives two lower pressing pieces to descend, two lower pressing pieces respectively press the two ends of wire into tin liquid inside the tin furnace.The utility model can save wire tin sticking time, improve production efficiency.

The application discloses a multifunctional combined drill bit automatic welding equipment, and relates to the technical field of high-frequency brazing, which comprises a welding machine, an operation table fixedly connected to the bottom of the welding machine, a clamping piece arranged on the top of the operation table, an equipment cabinet fixedly connected to one side of the welding machine, a purifier fixedly connected to the bottom of the inner cavity of the equipment cabinet, a negative pressure interface arranged on one side of the purifier, a coil pipe communicated with one side of the negative pressure interface, and a cold water disc cover arranged on the surface of the coil pipe. Through the cooperative design of the purifier, the negative pressure air cover, the coil pipe and the cold water disc, the high-temperature smoke generated during welding is collected and cooled in advance. The kinetic energy of the smoke flow is used to drive the cooling liquid to cool down through the wind-driven part and the heat-conducting copper sheet, so that the smoke in the coil pipe can be continuously and effectively cooled down. Through the linkage design of the heat-conducting pipe and the smoke treatment system, the welding wire in the wire feeder is preheated by using the waste heat of the high-temperature smoke, so that the welding efficiency is improved and the equipment energy consumption is reduced.

The invention discloses a method for reducing appearance marks on a copper surface after AMB solder etching, and the method comprises the following specific steps: S1, pressing and cutting a high-purity oxygen-free copper strip into a copper foil with the same size as supplied ceramic, and carrying out surface treatment; s2, stacking the high-purity oxygen-free copper strip and the ceramic for welding; s3, before silk-screen printing, the active metal brazing filler metal is taken out of the environment at the temperature below zero and placed at the room temperature for a period of time, and bubbles in the brazing filler metal are removed; s4, the active metal solder is combined with the high-purity oxygen-free copper strip and the ceramic substrate, and a reaction layer capable of being wetted by the liquid solder is generated; s5, performing chemical etching on the copper on the surface of the ceramic; s6, the preparation ratio of the hydrogen peroxide to the ammonia water to the EDTA-2Na is 13L: 10L: 1260g; s7, cutting the ceramic substrate; according to the method, the problem of copper surface corrosion is solved, the operation time is shortened, and the productivity is improved.

The application discloses a silicon carbide crystal cutting line repairing method, which comprises the following operation steps in sequence: broken line joint pretreatment, solder coating, solder pretreatment, solder application, gradient welding and symmetrical repairing, and a reliable repairing section is welded at the joint area of the broken end of the broken cutting line, the structural strength of the core reconnection of the broken cutting line is ensured by the cooperation of the two repairing sections, the structural integrity and reliability of the repaired cutting line are improved, the repaired cutting line is prevented from being broken again, the structural strength and working condition resistance of the repaired cutting line are ensured, the repaired cutting line structure is more regular, and the repaired cutting line can meet the process requirement of multi-line cutting operation. The repaired cutting line structure is firm and reliable, is not prone to being broken again, and does not need to be repaired by workers frequently, so that the labor intensity of the workers is reduced.

This application relates to a method for evaluating a soldering process in a soldering unit (10) for liquid solder (8) by means of a monitoring device (12), to a computer program product, to a computer-readable memory device, and to a monitoring device (12). The method for evaluating a soldering process in a soldering unit (10) for liquid solder (18) by means of a monitoring device (12) comprises the following steps: providing a reference solder pattern (24) for the soldering unit (10) by means of an electronic computing means (22) of the monitoring device (12); detecting a current solder pattern (26) of the soldering unit (10) by means of a thermal imaging camera (20) of the monitoring device (12); comparing the current solder pattern (26) with the reference solder pattern (24) by means of the electronic computing means (22); and evaluating the soldering process in a manner dependent on the comparison by means of the electronic computing means (22).

A method for generating stencil openings, including: extracting pieces of pad pattern data from a solder-paste printing layer of a PCB and encoding graphical features of the pad pattern data; searching for candidate component packages in a stencil opening library based on pad pattern codes; matching pad pattern data of the candidate component packages with the pad pattern data of the PCB; generating a stencil opening layer of the PCB based on stencil opening data of the successfully matched candidate component packages, to process a stencil template according to the stencil opening layer. The present disclosure allows for the automatic identification of component packages based solely on pad pattern data without manual recognition. Subsequently, corresponding stencil opening patterns are found in the stencil opening library based on the component packages, achieving automated design of stencil openings and solving the problem of inefficiency in the stencil template manufacturing process.

The purpose of this utility model is to provide an electromagnetic pump soldering furnace, aiming to solve the problem of excessive heating time and solder ash buildup in existing electromagnetic pump soldering furnaces, which leads to defects. This utility model provides the following technical solution: an electromagnetic pump soldering furnace, including a pump body and a furnace body assembly. The furnace body assembly includes a shell and a furnace body. The furnace body includes an upper furnace body and a lower furnace body connected to each other. The upper furnace body is connected to the shell, and the lower furnace body is connected to the pump body. The upper furnace body is installed in the shell, and the lower furnace body is installed in the pump body. A groove is provided on the outer side of the lower furnace body, and an electric heating element is embedded in the groove. This utility model relates to the technical field of soldering furnace products.

This invention relates to the field of soldering technology, specifically to a soldering and drying production line for aluminum products, comprising: a centrifugal unit disposed between a draining unit and a drying unit, used to spin-dry the aluminum workpiece using centrifugal force; a transfer platform disposed parallel to one side of the soldering tank, with its two ends connected to the draining unit and the feeding unit respectively; and a second transfer unit spanning above the draining unit and the centrifugal unit along the extension direction of the first transfer unit; the draining unit includes: a guide rail disposed between the centrifugal unit and the drying unit along a direction perpendicular to the movement of the support frame; and a swing mechanism disposed above the guide rail, the upper part of the swing mechanism having a tilting end face for receiving the support frame. This invention improves product quality while simplifying the production process and shortening the production cycle.

The application discloses a brazing method for an alumina ceramic ring and a nickel ring in a sodium metal halide battery, and the method comprises the following steps: (1) placing an active brazing alloy in the form of a pre-made foil or a screen-printed coating between the alumina ceramic ring and the nickel ring to form a brazing assembly; sequentially and alternately arranging a plurality of the brazing assembly and a spacer on an alloy mandrel in a vertical direction to obtain a stack, and applying a pre-tightening force to the stack in an axial direction by using a spring to form a vertical stack structure; and (2) vertically placing the stack structure in a brazing furnace, and brazing in a protective atmosphere; naturally cooling the furnace to room temperature, and obtaining an alumina ceramic ring and a nickel ring sealing assembly. The method can realize joint forming without a metallization step, simplifies a multi-step process of traditional metallization and hot-press bonding, has high joint strength after brazing, good air tightness, and high peeling strength (more than 1100 N), and has great popularization and application value.

The utility model discloses a kind of harness tin dipping devices, comprising: platform;Mounting plate, mounting plate is set to platform top;Lifting piece, lifting piece is set to mounting plate one side;Adapter plate, adapter plate is set to lifting piece one side, and is driven to rise or descend movement by lifting piece;Tin furnace, tin furnace is set to platform top, and is located below adapter plate;Tin dipping assembly, tin dipping assembly is set to adapter plate, and harness both ends are fixed and diverted the direction where tin furnace is located by tin dipping assembly;Straightening assembly, straightening assembly includes two clamping blocks, and the side of two clamping blocks is uniformly provided with a plurality of jack plugs for the both ends of harness to be inserted.The utility model discloses a kind of harness tin dipping devices by simultaneously clamping harness both ends to carry out synchronous tin dipping, play the role of improving work efficiency, belong to harness processing technology field.

The application relates to the technical field of welding, in particular to a laser ball planting method and system for a stator component, which method comprises the following steps: firstly, obtaining model parameters and pad distribution information of the stator component; after axial positioning by a jig, the stator component is sequentially transferred to a laser peeling station, a flux applying station and a laser ball planting station by a four-station turntable, and corresponding processing is completed; before ball planting, actual position and height data of the pads are obtained by a visual positioning assembly, parameters of an XYZ-axis servo lead screw module are adjusted, tin balls are sprayed by a laser ball planting assembly and then melted and welded, and finally, the stator component is discharged by a mechanical hand and enters the next cycle. The application helps to improve the precision, efficiency and reliability of ball planting welding of the motor stator component.

The utility model relates to circuit board welding technical field especially is related to a kind of circuit board welding device of pin welding condition can be checked fast, including welding unit, welding unit, including welding main part, the front of welding main part is respectively embedded with first soldering groove, second soldering groove and visual detector, the inside of first soldering groove is equipped with bolt fixed and has spouting groove;Conveying unit, including the front and back of welding main part are bolted and connected with conveying frame, the back of conveying frame is equipped with placing groove, the inside of placing groove is equipped with circuit board main part, the front of conveying frame is equipped with conveying motor;Repair welding unit, including the inside bolt fixation of second soldering groove and adjust frame, the side of adjust frame is equipped with adjusting groove, the inside of adjusting groove is slidably connected with sliding frame, the side of sliding frame is equipped with laser positioner, so that circuit board welding device can carry out welding detection and repair welding to circuit board, improve the practicality and welding efficiency of circuit board welding device.

A wave soldering station of a wave soldering machine includes a flow duct positioned in a reservoir of a solder pot, and a core frame supported by the flow duct. The wave soldering station further includes a first pump to deliver solder material to a first chamber, a second pump to deliver solder material to a second chamber, and a wave soldering nozzle assembly supported by the core frame. The wave soldering nozzle assembly includes a solder distribution baffle to create a solder wave, and an exit wing coupled to the core frame and configured to move from a lowered position to enable increased solder flow and a raised position to decrease flow of solder material. The first pump, the second pump and the exit wing are configured to control the flow of solder through the solder distribution baffle to vary a contact length of the solder wave.

To provide a quality determination method capable of responding to the lack of solder balls of a solder ball group which is held by a suction nozzle, and a substrate production system.SOLUTION: A quality determination method includes a supply step, a suction step, an imaging step, a determination step, and a complementation step. In the supply step, a solder ball group is supplied. In the suction step, the solder ball group supplied in the supply step is sucked and held by a suction nozzle. In the imaging step, the solder ball group held by the suction nozzle is imaged. In the determination step, a quality of the solder ball group before being supplied to a target area is determined based on image data on the solder ball group acquired in the imaging step. In the complementation step, in a case where the determination step determines a defect that solder balls of the solder ball group are lacked, solder balls corresponding to the lack are supplied to the target area.SELECTED DRAWING: Figure 4

This invention discloses a laser coaxial wire feeding additive repair device and method for the inner wall of pipe fittings, belonging to the field of laser additive manufacturing. The laser coaxial wire feeding additive repair device for the inner wall of pipe fittings includes a light guide arm, a four-beam laser head, and a wire feeding mechanism. The light guide arm is mounted on a robotic arm; one side of the light guide arm is connected to an optical cable, and the other side is tightly connected to the laser head via a bayonet. A wire feeding mechanism is fixed above the light guide arm, and multiple functional pipes, including cooling water pipes, protective gas pipes, and signal lines, are fixed below it. The laser head divides the laser beam introduced by the light guide arm into four beams distributed in a square shape through a lens group, and the four beams converge below the wire feeding head through a focusing lens. The focusing lens is installed in an anti-roll cage inside the laser head, and its up-and-down movement is controlled by a servo motor to change the laser focus position. A high-curvature wire feeding tube is placed inside the laser head, without interfering with the laser beam. The laser coaxial wire feeding additive repair device for the inner wall of pipe fittings described in this invention can realize laser coaxial wire feeding additive repair manufacturing of the inner wall of pipe fittings, improving the quality and efficiency of inner wall repair.

The present application relates to a robot laser brazing system, belonging to the technical field of brazing, comprising a control module, a welding module, a detection module and a cooling module, the control module is electrically connected with the welding module, the detection module and the cooling module respectively, the welding module moves along the axial direction of the brazing wire under the instruction of the control module and emits laser to heat the brazing wire, the cooling module is used for moving along the axial direction of the brazing wire under the instruction of the control module and cooling the brazed part after welding, the detection module is used for detecting the brazing length along the direction of the brazing wire and uploading the length data to the control module, and the control module reduces the power of the cooling module when the length exceeds the threshold value.

The utility model discloses a thermistor pin hangs tin equipment, including work table, the work table is close to the side surface fixed mounting of one side of top portion, the top surface fixed mounting of connecting plate in -between has drive motor, drive motor output passes through the side surface fixed connection of connecting plate and is provided with screw rod, the surface screw thread of screw rod is equipped with the threaded plate, and the both sides of threaded plate are connected to the limit link through, the surface both sides fixed mounting of threaded plate has the firm board, the inside fixed mounting of firm board has first linear guide rail, the surface penetration of first linear guide rail has sliding sleeve, and the side surface fixed connection of sliding sleeve is close to the bottom and is provided with fixed block, the inside middle penetration of fixed block has the clamping rod through setting fixed block, sliding slot, sliding block, clamping groove, placing plate, clamping rod, stretch spring and the cooperation between barrier block, make the relatively convenient replacement to placing plate.

The application provides an LED chip mass transfer tin paste quantity detection and tin supplement system and method, and belongs to the technical field of LED mass transfer. The system solves the significant deficiencies of the prior art in high-precision requirements, complex PCB adaptability, defect rate control and micro-fabrication cost-effectiveness. The system comprises a tin paste supply module, a chip bearing and moving module, a tin paste dipping module, a tin paste quantity detection module, a control system and a tin supplement and removal module. The application realizes tin paste quantity detection on the LED chip through the tin paste quantity detection module, judges whether tin supplement or removal is needed through the control system, and realizes corresponding tin supplement or removal operation through the tin supplement and removal module. The application can improve the efficiency and quality of LED chip mass transfer and reduce production cost.