541results about "Heating appliances" patented technology

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 discloses a micro-scale tin soldering device and method for ultrasonic laser composite energy field coordinated regulation and control. The micro-scale tin soldering device comprises a coordinated energy output module, a multi-physical field monitoring module, a wire feeding module, an intelligent regulation and control system and a motion platform, and a workpiece to be welded is arranged on the motion platform; the collaborative energy output module comprises a laser unit, an ultrasonic vibration unit and a focusable focus lens, the ultrasonic vibration unit comprises an ultrasonic generator, and the multi-physical field monitoring module comprises an infrared thermometer, a high-speed holographic imaging system and an acoustic impedance sensor; the high-speed holographic imaging system is used for recording brazing filler metal molten pool flowing and IMC nucleation dynamic states; the acoustic impedance sensor monitors the ultrasonic energy transmission efficiency; the intelligent regulation and control system is electrically connected with the multi-physics field monitoring module, and a multi-physics field coupling prediction model based on an LSTM neural network is arranged in the intelligent regulation and control system. According to the technical scheme, the structural design is reasonable, the energy field coupling efficiency is high, the material adaptability is high, the structure performance is controllable, the defect rate is remarkably reduced, and practicability is good.

The invention discloses vacuum welding equipment with an accurate temperature control function, and relates to the technical field of vacuum welding, the vacuum welding equipment with the accurate temperature control function comprises a main body, two first guide rails are symmetrically mounted on one side of the main body, and first sliding seats are slidably mounted on the two first guide rails; a first guide rail is installed on one side in the processing chamber, a connecting plate is installed on the first sliding seat, an infrared thermometer is installed on the connecting plate, a second guide rail is installed on one side in the processing chamber, a second sliding seat is installed on the second guide rail in a sliding mode, a linkage rod is installed on the second sliding seat, a fixing ring is installed on the linkage rod, and a heating coil is installed on the fixing ring; when the infrared thermodetector detects that the local temperature of the workpiece is too low, the infrared thermodetector can control the second guide rail to operate through the controller, the second sliding base drives the heating coil to move to the position, temperature compensation can be achieved through the heating coil, and therefore accurate control over the overall heating temperature of the workpiece is achieved.

The invention relates to the technical field of chip welding, and discloses a continuous vacuum welding device for an IGBT (Insulated Gate Bipolar Translator) chip, which comprises a working channel formed by connecting a plurality of working furnaces in series, vacuum gate valves used for sealing the space are installed at an inlet and an outlet of the working channel and the butt joint position of every two adjacent working furnaces, and the conveying mechanism is used for conveying product carriers, is installed in the working furnaces and comprises two conveying assemblies symmetrically distributed on the two sides of the axis of the working channel; the two ends of the product carrier are erected on the conveying parts of the two conveying assemblies correspondingly. The preheating furnace, the welding furnace and the cooling furnace are connected in series to form the working channel, and the vacuum gate valves are mounted at the inlets and the outlets of the cavities, so that the adjacent cavities are independently sealed, the oxygen content of each cavity is controlled in an extremely low range, the ceramic copper-clad plate is prevented from being oxidized, the welding void rate is reduced, and the interface bonding strength is improved.

The invention relates to the technical field of chip welding, in particular to an automatic chip welding and positioning device based on machine vision. The automatic chip welding and positioning device based on machine vision comprises a support, a conveying assembly, a mechanical arm, an outer frame, a controller, a visual system, an adjusting frame, a visual sensor, a first frame strip, a second frame strip, a moving assembly, an adjusting assembly and a lifting limiting assembly, the conveying assembly is installed at the top of the support, and the outer frame is connected to the middle of the top of the support; a mechanical arm is installed on the top of the support and located on the right side of the outer frame, and a controller is installed on the front side wall of the outer frame. The visual system obtains initial coordinates of a circuit board bonding pad through three-dimensional modeling, the visual sensor monitors position deviation of the frame strips and the bonding pad in real time, the linkage moving assembly achieves accurate adjustment of the first frame strip and the second frame strip in a three-dimensional space, mechanical errors and batch difference influences are effectively eliminated, and high precision of chip welding is ensured.

The invention relates to the technical field of infrared temperature measurement, provides a soldering tin temperature closed-loop control method and system based on infrared temperature measurement feedback, and solves the problems that a temperature measurement result of a phase change critical region seriously deviates from a true value, and temperature measurement is not accurate due to the fact that material state changes are not considered. According to the method, the environment temperature of a welding area and the initial temperature measurement value of soldering tin in the welding process are detected, and soldering tin phase change emissivity data are obtained; the real-time state of soldering tin is determined, and the soldering tin temperature after calibration is obtained by combining the soldering tin phase change emissivity data and the environment temperature; comparing the calibrated soldering tin temperature with the phase change temperature interval to obtain a temperature comparison result, and combining the temperature comparison result with the calibrated soldering tin temperature to obtain an adjusted heating power parameter; and the soldering tin heating device is controlled to heat soldering tin according to the adjusted heating power parameters until the calibrated soldering tin temperature within the preset target temperature range is obtained, high-precision real-time calibration and dynamic closed-loop regulation and control over the soldering tin temperature are achieved, and it is ensured that the welding process is stably within the target temperature range.

The invention discloses a green laser assembly, an optical module and application of the green laser assembly in photovoltaic assembly processing, a shell is provided with a first fixed reflector coated with a reflecting film for reflecting 1064nm, a first acousto-optic Q switch and a second acousto-optic Q switch are orthogonally arranged, an Nd: YAG laser uses an Nd: YAG crystal rod with the diameter of 6mm and the length of 166mm, and a second fixed reflector coated with a reflecting film for reflecting 1064nm is arranged on the Nd: YAG crystal rod. The first dichroscope transmits 1064nm and reflects 532nm to improve the conversion efficiency of frequency multiplication, the LBO crystal 16 is placed close to the second dichroscope to improve the power density and the conversion efficiency, and the second dichroscope reflects 1064nm and transmits 532nm. And the light with the wavelength of 532nm transmitted by the second dichroscope is coupled into an input end optical fiber of the optical fiber beam splitter after passing through the optical isolator and the first lens. The short-wavelength green laser is adopted, the photovoltaic welding strip is mainly composed of the copper base material and the tin alloy, the green laser absorptivity is far larger than the near-infrared wavelength (about 1 micron) absorptivity, and the laser absorptivity of the welding strip is remarkably improved.

The present disclosure provides a wire bonding apparatus, a wire bonding method and a semiconductor device. The wire bonding apparatus includes: a wire tube for containing the wire and including a wire exit; a wire heating assembly located at a side of the wire exit; and a pre-shaping assembly located at a side of the wire tube and including a wire pre-pressing face; the pre-shaping assembly having a first state in which the wire pre-pressing face of the pre-shaping assembly is configured to abut the wire tube and a second state in which the pre-shaping assembly is configured to disengage from the wire tube. The wire bonding apparatus, the wire bonding method and the semiconductor device as provided in the present disclosure can reduce or eliminate the cratering effect.

To enable heating over substantially the entire circumference of a joint portion between a first pipe body and a second pipe body in a high-frequency induction heating device.SOLUTION: A high-frequency induction heating device comprises a coil 3 having a surrounding portion 9 that covers a part of the outer circumference of a joint portion between pipe bodies 1 and 2, and a coil 4 having a surrounding portion 9 that covers another part of the outer circumference of the joint portion between the pipe bodies 1 and 2. The surrounding portions 9 substantially cover the outer circumference of the joint portion. The coil 3 is connected to a power supply 6 including a resonator 5, and the coil 4 is connected to a resonator 7. The coil 3 is provided with a magnetic coupling portion 8, and the coil 4 is provided with a magnetic coupling portion 8 that is magnetically coupled to the magnetic coupling portion 8 of the coil 3.SELECTED DRAWING: Figure 1

The invention provides a high-uniformity step-by-step heating device which comprises a plurality of heating modules, and a partition cavity is formed between every two adjacent heating modules. Each heating module is provided with a heat source cavity and a heating cavity, the heating cavities and the heat source cavities are communicated through backflow channels, the backflow channels comprise two partition backflow channels and two inner backflow channels, the two inner backflow channels are arranged in the transverse direction, and the two partition backflow channels are arranged in the longitudinal direction; a conveying opening is formed between the heating cavity and the partition cavity and used for allowing a circuit board to pass through. A partition backflow channel is arranged at the conveying opening and is in a slit shape extending in the transverse direction, the vertical end of the partition backflow channel is located at the conveying opening, the other end of the partition backflow channel communicates with the heat source cavity, airflow vertically flowing into the heat source cavity can be formed in the conveying opening through the partition backflow channel, and then an air wall is formed to prevent air at the conveying opening from flowing in the longitudinal direction. Air flow and heat interference at the conveying port are reduced, and the heating efficiency is improved.

Methods of securing bearing elements to bearing rings are disclosed. The methods include clamping the bearing elements in place on the bearing housing and applying heat to braze the bearing elements in place while clamped. The heat may be applied using a flame ring.

An apparatus may include a base plate configured to support a package substrate, semiconductor chips on the package substrate in rows and columns; a lamp heater configured to irradiate light to the semiconductor chips to mount the semiconductor chips on the package substrate; and a pressurization mask including a transparent plate between the base plate and the lamp heater. The transparent plate includes a first surface facing the base plate and a second surface opposite to the first surface, light absorbing patterns on transmission regions of the first surface, such that the plurality of light absorbing patterns at least partially overlap with corresponding semiconductor chips of the plurality of semiconductor chips in the vertical direction, and a light reflecting pattern on a reflection region of the second surface, wherein the reflection region is not overlapped with the transmission regions in the vertical direction.

The invention discloses an automatic brazing device based on graphite rod indirect heating and a brazing method thereof, and relates to the technical field of precision part welding. The automatic brazing device comprises a high-frequency induction heating system, a graphite rod heating body, a temperature closed-loop control system, an automatic transmission and positioning system and a rapid cooling system; the automatic transmission and positioning system is used for clamping and moving a workpiece, the high-frequency induction heating system and the rapid cooling system are sequentially arranged along the moving path of the workpiece, a graphite rod heating body is arranged in an induction field and is subjected to induction heating, and the temperature closed-loop system monitors the temperature of the graphite rod heating body in real time and feeds back and controls the power of the induction field. And the rapid cooling system is arranged at a downstream station of the high-frequency induction heating system and is used for carrying out forced cooling on the welded workpiece. Rapid local heating, precise temperature control and instant cooling can be achieved, and therefore the elastic performance of a workpiece is effectively protected while the welding quality and efficiency are 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.

The invention relates to the technical field of welding equipment, in particular to a sewage treatment plant construction pipeline butt welding device which comprises a butt ring located between two pipelines, a circular ring arranged on the outer side of the butt ring in a sleeving mode and a coil arranged in the circular ring and used for heating the butt ring. The butt joint ring is provided with a plurality of long holes used for being filled with welding flux. The butt-joint ring and the welding flux filled on the butt-joint ring are used for performing butt-joint welding on the two pipelines, so that the whole end surfaces of the pipelines can be heated and melted, the deep-layer positions and the surface-layer positions of the end parts of the two pipelines can be connected, the welding firmness and integrity are improved, and the welding quality is further improved; meanwhile, by means of the welding flux on the butt joint ring and the induction heating mode, the end of the pipeline can be evenly heated, and therefore the situation that stress is generated at the butt joint position, and welding quality is affected is avoided.

The utility model discloses a local heating thermocompression welding device which comprises a machine frame, an infrared heating system, a convex lens, a mechanical arm and a suction nozzle, the infrared heating system, the convex lens, the mechanical arm and the suction nozzle are installed on the machine frame, the machine frame is provided with a die bonding platform used for placing a substrate, and the infrared heating system is located below the die bonding platform and used for heating the bottom of a bowl cup of the substrate. The convex lens is located between the infrared heating system and the die bonding platform, the convex lens can refract infrared light emitted by the infrared heating system to the bottom of the substrate bowl cup, the suction nozzle is installed at the end of the mechanical arm, and when the temperature of the heating area is increased to a set value, the mechanical arm swings and sucks a single chip to the center of the substrate bowl cup through the suction nozzle and squeezes the single chip. The infrared heating system is an infrared heat source and can be heated at a high speed within seconds, the production efficiency is improved, infrared light can be focused through the convex lens, the heating area of a heating area is changed, heating of a single chip is achieved, the problem of thermal light attenuation of the chip caused by long-time heating is avoided, and the chip is not prone to being damaged in the hot-pressing die bonding process.

The utility model discloses a miniature tin dipping machine, which relates to the field of tin dipping machine structures and comprises a base, a two-shaft transplanting device arranged on the base, a hot tin device arranged on the base, a tin dipping device arranged on the two-shaft transplanting device and above the hot tin device, and an electric control device arranged on the base. The control device is electrically connected with the two-shaft transplanting device, the hot tin device and the tin immersion device; according to the micro tin dipping machine, automatic control of the micro tin dipping machine is achieved through the electric control device, so that the tin dipping efficiency is improved, meanwhile, parameter consistency in the tin dipping process can be achieved, and then the stability of the tin dipping quality of products is improved.

The present invention relates to the field of chip welding technology, and in particular to a chip automatic welding positioning device based on machine vision. The present invention provides such a chip automatic welding positioning device based on machine vision, comprising a bracket, a conveying component, a robotic arm, an outer frame, a controller, a visual system, an adjustment frame, a visual sensor, a frame bar one, a frame bar two, a moving component, an adjustment component and a lifting and limiting component. The conveying component is installed on the top of the bracket, the outer frame is connected to the middle of the top of the bracket, the robotic arm is installed at the top of the bracket at the right side of the outer frame, and the controller is installed on the front side wall of the outer frame. The visual system obtains the initial coordinates of the circuit board pad through three-dimensional modeling, the visual sensor monitors the position deviation between the frame bar and the pad in real time, and the linked moving component realizes the precise adjustment of the frame bar one and the frame bar two in three-dimensional space, effectively eliminating the influence of mechanical errors and batch differences, and ensuring high precision of chip welding.

The utility model discloses a solder ball welding mechanism and a solder ball welding system, and relates to the technical field of tin soldering equipment, the solder ball welding mechanism comprises a mounting plate, a laser generator, a tin soldering head, a visual detection piece and a temperature detection sensor; the laser generator is mounted on the mounting plate; the soldering tin head is installed on the installation plate and located below the laser generator. The laser generator is used for emitting laser to the tin soldering head so as to perform hot melting on tin in the tin soldering head; the visual detection piece is movably connected to the mounting plate, and is arranged at intervals with the laser generator and the soldering head; the visual detection piece is used for detecting the tin soldering position below the tin soldering head; the temperature detection sensor is installed on the installation plate and located on the laser generator, the soldering tin head and the visual detection piece at intervals. The temperature detection sensor is used for detecting the temperature of the soldering head; according to the utility model, the laser generator, the visual detection piece and the temperature detection sensor are integrated at the same position, so that the installation space of the solder ball welding mechanism is reduced.

The present application relates to the technical field of soldering, and specifically discloses a dissimilar material joining method for titanium and solder for sealing a vacuum container. The joining method comprises: firstly, designing and preparing a metal transition segment; secondly, designing and preparing a cladding material; thirdly, selecting a cladding heat source and a cladding method, implementing cladding, and preparing a bimetallic layer; fourthly, punching the bimetallic layer to form a hole, and preparing a bimetallic layer punching structural part; fifthly, selecting a joining heat source and a joining method, implementing joining, and preparing a dissimilar material structural assembly for vacuum sealing; sixthly, using a soldering method to prepare a whole container; and seventhly, starting a vacuum furnace, and implementing vacuum sealing to prepare a vacuum container. The dissimilar material joining method provided by the present application has a simple joining process, high efficiency, a low cost, small stress and deformation, and can prevent a brittle structure from being formed; a formed combined connecting joint has good internal quality, high bonding strength, and good impact resistance, heat preservation efficiency and sealing performance; and the service life of the container is long.

Welding equipment for aluminum profile machining relates to the field of aluminum alloy door and window production and machining and comprises a welding mechanism, the welding mechanism comprises a welding furnace assembly, a hot melting assembly and an electric heating assembly, and the hot melting assembly and the electric heating assembly are both arranged in the welding furnace assembly. The welding furnace assembly comprises a furnace body and a heating chamber, the heating chamber is arranged in the furnace body, a heat insulation lining made of insulation materials is arranged on the inner wall of the heating chamber, the hot melting assembly comprises a heating coil, the heating coil is arranged in the middle of the inner wall of the heating chamber, and the electric heating assembly comprises electrode sleeves arranged at the two ends of the heating chamber. The butt joint position of the aluminum profiles is heated to be close to the melting temperature through the hot melting assembly in the welding mechanism, then the two aluminum profiles are connected with a power source through the electric heating assembly, the contact position of the two aluminum profiles is further heated and melted due to short circuit of a circuit, the welding faces at the two ends of the aluminum profiles can be fully fused and welded, and the welding quality is improved. The welding position of the aluminum profile is more sufficient, and the welding quality is improved.

The invention relates to an element temperature control method for forming a welded or sintered connection between elements, in which at least one controllable heat source is provided for providing thermal energy to the elements. Measuring a first temperature of the element or the component of the welding or sintering device in thermal contact with the element in a non-contact manner at at least one first temperature point by means of at least one first temperature sensor in thermal contact with the element or the component of the welding or sintering device; a second temperature of the element or a component of the soldering or sintering device in thermal contact with the element is measured in a non-contact manner at at least one second temperature point by means of the at least one second temperature sensor, the first temperature point being spatially farther from the second temperature point such that, upon a change in temperature, the temperature of the element or the component of the soldering or sintering device is measured in a non-contact manner. A temperature gradient is expected to occur between the first temperature and the second temperature. The measured second temperature is calibrated based on the measured first temperature to determine a calibrated second temperature, and the heat source is controlled based at least on the calibrated second temperature. The invention also relates to a correspondingly configured welding or sintering device.

The present invention discloses a heating device for a continuous vacuum reflow soldering furnace, belonging to the field of semiconductor processing, aiming to solve the problem of thermal efficiency during the heating of the soldering furnace. The key technical points of its technical solution are as follows: It includes an upper heating furnace body assembly arranged on a frame and a lower heating plate assembly arranged on the frame. The lower heating plate assembly is located below the upper heating furnace body assembly. The upper heating furnace body assembly includes a top seat, a top cover is fixed to the bottom of the top seat, a homogenizing impeller is rotatably connected in the top cover, a servo motor for driving the homogenizing impeller is fixed on the top seat. The bottom of the top cover is connected to a bottom cover through two vertical covers. A top heating plate is arranged in the bottom cover, and a horizontal cross-flow suppression structure for suppressing horizontal cross-flow is arranged in the bottom cover. The heating device of the continuous vacuum reflow soldering furnace has a good effect of suppressing cross-flow, can ensure that the hot air flow maintains a vertical flow state as much as possible, and can improve the heating efficiency.

The invention relates to the technical field of hot working equipment, and provides a local temperature-controllable brazing furnace system and a method for welding a water cooling plate and a side cooling plate thereof.A furnace body with the front portion, the rear portion and the top portion capable of being opened and closed is arranged for welding, in this way, closed welding is conducted, the external environment is blocked, and the furnace body is heated through twelve linear silicon carbide rods; nitrogen is introduced outside the furnace body by arranging a copper pipe, the nitrogen is preheated by the copper pipe and enters the furnace, the temperature is uniform, and it is guaranteed that the oxygen content of the furnace body is smaller than or equal to 18 ppm; when the brazing furnace is used for welding a water cooling plate and a cold measuring plate, a welding tool is installed on the support in the furnace body, then a welding piece is installed on the tool, then the furnace body is closed, gradient heating is conducted, nitrogen is introduced for welding, and air cooling is conducted after welding is completed. Aiming at industrial pain points such as non-uniform high-frequency welding temperature and performance degradation of a non-welding area caused by integral heating of a tunnel furnace, a physical isolation and dynamic temperature control fusion technology is developed, and accurate temperature control of the welding area is realized.

The utility model relates to the technical field of electronic equipment manufacturing, in particular to a circuit board welding device, which comprises a base, a welding table, a welding table and a welding table, the bracket is mounted on the base; the bottom of the lifting platform is provided with a sliding block matched and connected with the sliding groove of the base, and the side, facing the support, of the lifting platform is of an open structure; the screw is arranged in the lifting table, and the top of the screw penetrates out of the lifting table; a threaded hole is formed in one side of the rear portion of the mechanical arm and connected with the screw in the lifting table in a matched mode, a cavity with an opening in one end is formed in one side of the front portion of the mechanical arm, and a front-back limiting groove is formed in the side wall of the cavity; the extension rod is sleeved in the cavity of the mechanical arm; the clamping part is arranged at the end, away from the mechanical arm, of the extension rod, and an air duct of the hot air gun is placed in a through structure of the clamping part. The utility model has the advantages that the welding spot is uniformly heated, the operation efficiency and the welding quality are improved, the orientation of the hot air gun is regulated so as to adapt to the welding spot requirements of different positions on a circuit board, and the risk of damaging elements on the board is reduced.

The utility model belongs to the technical field of hot presses, and particularly relates to a multi-section pressure control hot press which comprises a hot press body, a lower hydraulic cylinder hot pressing portion on the lower side of the hot press body is arranged in a foundation pit, and a main guide column upwards extending out of the foundation pit is arranged on the lower hydraulic cylinder hot pressing portion. An upper hydraulic cylinder hot-pressing part on the upper side of the hot press body is arranged on the upper side of the main guide column, a mold plate which ascends and descends in the axial direction of the main guide column is arranged on the main guide column, and a mold is jointly extruded by the lower hydraulic cylinder hot-pressing part and the upper hydraulic cylinder hot-pressing part outside a foundation pit. The hot pressing parts driven by the hydraulic cylinders are installed at the upper end and the lower end of the hot press, when hot pressing is carried out, the hydraulic cylinders on the upper side and the lower side apply force oppositely to extrude a mold between the hydraulic cylinders, and in the process, pressure can be continuously supplemented and maintained for circulation; and the upper hydraulic cylinder and the lower hydraulic cylinder with different parameters can be matched with each other, so that the pressure value can be flexibly and accurately adjusted.

The invention discloses a PCB welding device with a smoke removal function, and relates to the technical field of PCB welding, the welding device is used for welding a PCB, the welding device is characterized in that the welding device comprises a shell, a trapping device, a temperature adjusting device and a driving device, the shell is provided with a working cavity, the trapping device and the temperature adjusting device are arranged in the working cavity, and the driving device is arranged in the working cavity; the trapping device is communicated with the temperature adjusting device through a pipeline, the driving device is connected with the shell, and the driving device is fixedly connected with the trapping device. When the PCB of the electric vehicle is welded, the PCB is conveyed into the working cavity through the driving device, when the PCB moves to the welding station, automatic welding is conducted, smoke generated by welding is dispersed through the trapping device and automatically collected, large smoke particles are prevented from being generated in the welding space, the situation that the large particles are attached to the PCB after being cooled is avoided, and the welding quality is improved. And the temperature adjusting device is arranged to automatically cool the welding spots of the welded PCB, so that the welding quality is prevented from being influenced.

A brazing apparatus to join a first component and a second component includes a heating element configured to melt a ring located at a joint between the first component and the second component, and a probe configured to contact the ring. A position of the probe is biased toward the ring. The probe is installed at a probe support. The probe is movable along a probe central axis relative to the probe support. A sensor is operably connected to the probe and is configured to determine movement of the probe along the probe central axis. The movement of the probe is indicative of melting of the ring.

The utility model provides a precise circuit board paster high-speed welding tool, which relates to the technical field of electronic processing, and comprises a welding base, a high-speed welding assembly is arranged on the outer side of the welding base, a longitudinal electric lead screw is arranged on the inner side of a left guide frame, a driven supporting rod is welded on the inner side of a right guide frame, and the driven supporting rod is arranged on the outer side of the welding base. A longitudinal sliding rod is connected between the longitudinal electric lead screw and the driven supporting rod, a transverse support is welded to the lower side of the longitudinal sliding rod, a transverse electric lead screw is installed on the lower side of the transverse support, and a transverse sliding block penetrates through the middle of the transverse electric lead screw. The high-speed welding assembly and the electric control hydraulic rod drive the temperature controller and the welding needle to ascend and descend, so that the welding height can be automatically adjusted through an external computer, accurate temperature control and accurate positioning of a welding point are achieved, high efficiency and quality of the welding process are guaranteed, and the laser pointing device points to the welding point of the welding needle all the time.

The utility model provides a three-axis welding device, relates to the technical field of three-axis welding devices, and aims to solve the problems that when the conventional three-axis welding device is used, the conventional three-axis welding device is generally adjusted in the front-back direction, the left-right direction and the up-down direction, and the clamping mode of a workpiece needs to be adjusted again when the inclined position is welded, so that the welding efficiency is high. The inclined position welding device comprises a position adjusting part, a welding part and a welding part, an inclined part is arranged at the top of the position adjusting part; and a piece fixing part is arranged in the inclined part. The inclined side plate is rotationally connected to the displacement frame, so that the inclined side plate is conveniently controlled to be twisted under the driving of the control motor, the inner protection frame and the workpiece fixing part are conveniently driven by the inclined side plate to be inclined, and the inclined position of a workpiece can be welded without re-clamping of equipment; and the positioning frame is in threaded connection with the displacement frame, so that the columnar gear on the displacement frame can be conveniently clamped in the upward moving process, and the overall stability of the inclined part and the part fixing part can be kept.