CN111745243A

CN111745243A - Laser soldering tin ball device for plug connector and welding method

Info

Publication number: CN111745243A
Application number: CN202010698491.7A
Authority: CN
Inventors: 董少军; 肖明信; 王杰; 闫南男
Original assignee: Jining Haifu Electronic Technology Co Ltd
Current assignee: Jining Haifu Electronic Technology Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2020-10-09

Abstract

A laser soldering tin ball device for plug-in connectors and a welding method thereof comprise a feeding part, a laser welding part, a visual inspection part, a blanking part and a turntable part; the laser welding part comprises a nine-ball laser welding part and a ten-ball laser welding part; the feeding part, the nine-ball laser welding part, the visual inspection part, the ten-ball laser welding part, the visual inspection part and the blanking part are uniformly arranged on the periphery of the turntable part in a hexagonal array mode in sequence; the turntable part comprises a turntable and a turntable base, and the turntable is rotatably arranged on the upper part of the turntable base; 6 tools are arranged on the turntable part, and the tools are of a flat plate structure capable of being turned over; the automatic welding machine has the advantages of being capable of completing welding of a plurality of terminals at one time, few in working procedures, convenient and fast to use, greatly improving efficiency and high in automation, not only can automatically complete welding of the terminals at one time, but also can achieve automatic operation of automatic feeding, automatic welding and automatic discharging, enables welding precision to be high, reduces labor intensity of workers, is high in production efficiency and yield, and is particularly suitable for production of a large number of terminals.

Description

Laser soldering tin ball device for plug connector and welding method

The technical field is as follows:

the invention relates to the technical field of resistance welding machines, in particular to a laser soldering tin ball device of a plug connector and a welding method.

Background art:

the HDMI terminal is pre-tinned before welding, a mode of tinning a single bonding pad by a laser tin ball is adopted in the prior art, the principle is that only one tin ball can be accommodated in a nozzle at a time, and the tin ball is sprayed on the bonding pad by inert gas while being melted by a laser. The method has the disadvantages that only one solder ball can be sprayed at a time, and the efficiency is low. For example, the pads of the HDMI terminals are distributed on two terminal surfaces, one surface is 9 pins, the other surface is 10 pins, and the device finishes the tin spraying of all the pads at least 19+1 times, namely 19 times of tin spraying and 1 time of turning. Not only the process is loaded down with trivial details, wastes a large amount of time, energy and manpower, still produces welding defect easily, produces the quality problem, and in case once the error appears in whole in-process, will make whole 19+1 actions all invalid, and the fault-tolerant rate is very low.

The invention content is as follows:

in order to solve the problems and overcome the defects of the prior art, the invention provides the laser soldering tin ball device for the plug connector and the soldering method, which can complete the soldering of a plurality of terminals at one time, have fewer processes, are convenient and quick, greatly improve the efficiency and have high automation.

In order to achieve the purpose, the invention provides a laser soldering tin ball device for a plug connector, which comprises a feeding part, a laser welding part, a visual inspection part, a blanking part and a turntable part;

the laser welding part comprises a nine-ball laser welding part and a ten-ball laser welding part;

the feeding part, the nine-ball laser welding part, the visual inspection part, the ten-ball laser welding part, the visual inspection part and the blanking part are uniformly arranged on the periphery of the turntable part in a hexagonal array mode in sequence;

the turntable part comprises a turntable and a turntable base, and the turntable is rotatably arranged on the upper part of the turntable base;

six tools are arranged on the turntable part, and the tools are of a flat plate structure capable of being turned over; the six tools are uniformly arranged at the edge of the turntable part in a hexagonal array mode.

Further, the feeding part comprises a circular vibration disc, a linear vibration disc and a fine positioning device; the linear vibration disc comprises a vibration disc body and a positioning disc, one end of the vibration disc body is connected with the circular vibration disc, and the positioning disc is arranged at the other end of the vibration disc body; the fine positioning device is arranged at the positioning disc and matched with the positioning disc to accurately position the plug-in connector.

Furthermore, the fine positioning device comprises a fine positioning base, a fine positioning plate is arranged on the upper portion of the fine positioning base, a fine positioning cylinder is connected to one end of the fine positioning plate, and a limiting screw used for limiting the displacement distance of the fine positioning plate is further arranged on the upper portion of the fine positioning base.

Furthermore, the number of the circular vibration discs is two, four channels which are parallel to each other are arranged on the linear vibration disc, and each circular vibration disc is connected with two channels.

Furthermore, the loading part also comprises a material sucking and loading device used for transferring the plug connectors to the tool, the material sucking and loading device comprises a material sucking and loading base, and the upper end of the material sucking and loading base is provided with a material sucking and loading linear module; the material sucking and feeding linear module is provided with a material sucking and feeding sliding table in a transverse translation mode; the lower part of the material sucking and feeding sliding table is provided with a material sucking and feeding cylinder, the end part of the material sucking and feeding cylinder is provided with a suction nozzle fixing disc, and the suction nozzle fixing disc is provided with a nozzle device with a sub-interval.

Furthermore, the laser welding part comprises a welding device, a solder ball blanking device and a solder ball bearing device, wherein the solder ball bearing device is arranged below the solder ball blanking device, and the welding device is arranged above the solder ball blanking device.

Further, the welding device comprises a laser welding machine and a lifting platform for adjusting the height of the laser welding machine.

Further, the solder ball blanking device comprises a solder ball blanking base, a solder ball electric module used for adjusting the position in the horizontal direction is arranged on the upper portion of the solder ball blanking base, a solder ball sliding table is connected onto the solder ball electric module, a blanking electric sliding table used for adjusting the position in the vertical direction is arranged on the solder ball sliding table, and a solder ball blanking head is arranged on the blanking electric sliding table.

Furthermore, the tin ball bearing device comprises a bearing support, wherein a bearing electric sliding table used for adjusting the position in the vertical direction is arranged on the upper portion of the bearing support, an outer frame supporting plate is fixedly arranged at the upper end of the bearing electric sliding table, a bearing plate is arranged inside the outer frame supporting plate, and a plurality of alloy plates used for bearing the tin balls are arranged on the bearing plate.

Furthermore, a plurality of fulcrums are arranged on the alloy plate.

Further, the laser welding part comprises a welding device and a tin ball bearing device, the welding device comprises a laser welding machine, and the tin ball bearing device comprises a bearing plate; the vertical projections of the tool, the laser welding machine and the bearing plate at the laser welding part are overlapped with each other.

Further, vision inspection portion includes vision support and vision probe, and the frock that is located vision inspection portion department coincides with the vertical projection of vision probe.

Further, the blanking part comprises a blanking base, a blanking electric module is arranged on the upper portion of the blanking base, an integrated electromagnetic valve is connected onto the blanking electric module, a blanking sliding table is connected to the lower portion of the integrated electromagnetic valve, a blanking cylinder is arranged on the blanking sliding table, and the blanking cylinder is connected with a blanking suction nozzle;

furthermore, the blanking part also comprises a blanking funnel which is positioned right below the moving path of the blanking suction nozzle.

Furthermore, a driving device for driving the turntable to rotate is arranged on the turntable base.

Further, drive arrangement includes gear motor, synchronous pulley, hold-in range and cam wheel splitter, all is provided with synchronous pulley on gear motor and the cam wheel splitter, and two synchronous pulleys pass through the hold-in range and connect, and cam wheel splitter's pivot is connected with the central point of carousel.

Further, the turntable is of a hexagonal flat plate structure, six tools are arranged in the middle of six sides of the turntable respectively, and an included angle between every two adjacent tools is 60 degrees.

Further, the tool comprises a tool disc, a bearing seat, a detection disc and a tool gear, wherein rotating shafts are arranged at two ends of the tool disc, and the tool disc is rotatably connected with the bearing seat through the rotating shafts; the bearing block is fixedly arranged on the turntable; and a detection disc and a tool gear are fixedly arranged on the rotating shaft.

Furthermore, six positioning bolts are respectively arranged at positions, close to the tool, on the rotary table, and positioning bushings matched with the positioning bolts to lock and limit the position of the positioning bushings are arranged on two sides of the tool.

Furthermore, still be provided with a plurality of storage tanks that are used for depositing the plug connector on the frock dish, all be provided with the plug connector clamp lock that is used for pressing from both sides tight locking plug connector in a plurality of storage tanks.

Furthermore, the turntable part also comprises two turnover devices for turning over the tool.

Further, the turnover device comprises a turnover base, a turnover sliding table, a turnover cylinder, a turnover motor and a turnover gear; upset base and upset slip table pass through the upset cylinder and link to each other, are provided with the upset motor on the upset slip table, and upset motor drive upset gear rotates, still is provided with on the upset slip table and detects whether complete horizontally photoelectric detection probe of frock.

Furthermore, the welding machine also comprises a shell which plays a role in protection and bearing, wherein the upper part of the shell is provided with an exhaust hole for exhausting welding fume, the lower part of the shell is provided with an air source control device for providing an air source and an electric control device for carrying out electric control, and the lower part of the shell is also provided with an OK/NG material box for storing qualified products and unqualified products in a classified manner.

The invention also provides a welding method, which comprises the following steps:

the method comprises the following steps: the plug connectors are moved to the positioning plate from the circular vibration plate through the linear vibration plate in a certain arrangement mode through vibration;

step two: the plug connectors are transferred to the tool by the material suction and feeding device, accurately fall into corresponding positions of the tool in a one-to-one correspondence manner, and are clamped, locked and fixed through the plug connectors;

step three: the turntable rotates clockwise by 60 degrees;

step four: the tool is positioned at a nine-ball laser welding part station, the solder ball blanking device puts the solder balls on each alloy plate, and then the electric module drives the solder ball blanking head to move away from the right upper part of the bearing plate; the bearing electric sliding table drives the bearing plate to move downwards to the tooling, the laser welding machine melts the solder balls, and the melted solder balls fall on the plug connectors;

step five: repeating the third step;

step six: the tool is positioned at a station of the visual inspection part, the welding condition is inspected, the plug connector with the welding defect is recorded, and then the tool is turned over;

step seven: repeating the third step;

step eight: the tooling is positioned at a ten-ball laser welding part station, the solder ball blanking device puts the solder balls on each alloy plate, and then the electric module drives the solder ball blanking head to move away from the right upper part of the bearing plate; the bearing electric sliding table drives the bearing plate to move downwards to the tooling, the laser welding machine melts the solder balls, and the melted solder balls fall on the plug connectors;

step nine: repeating the third step;

step ten: the tool is positioned at a station of the visual inspection part, the welding condition is inspected, the plug connector with the welding defect is recorded, and then the tool is turned over;

step eleven: repeating the third step;

step twelve: the tool is positioned at a station of the blanking part, the blanking part transfers the plug connector to the blanking hopper, qualified products fall into an OK material box in the OK/NG material box, and unqualified products fall into an NG material box in the OK/NG material box;

further, the first step is a continuous process without stopping;

further, step two, step four, step six, step eight, step ten and step twelve can be performed simultaneously.

The invention has the beneficial effects that:

the plug connector laser welding tin ball device provided by the invention has the advantages of completing the welding of a plurality of terminals at one time, having few processes, being convenient and fast, greatly improving the efficiency and having high automation, not only can automatically complete the welding of a plurality of terminals at one time, but also realizes the automatic operation of automatic feeding, automatic welding and automatic blanking, so that the welding precision is high, the labor intensity of workers is reduced, the production efficiency is high, the yield is high, and the plug connector laser welding tin ball device is particularly suitable for the production of a large number of terminals.

Description of the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged view of the linear seismic disk and fine positioning device of the present invention;

FIG. 4 is an enlarged view of the puck structure of the present invention;

FIG. 5 is an enlarged view of the fine positioning device of the present invention;

FIG. 6 is an enlarged schematic view of the fine positioning plate structure of the present invention;

FIG. 7 is an enlarged schematic view of the structure of the material sucking and feeding device of the present invention;

FIG. 8 is an enlarged view of the construction of the sub-pitch nozzle assembly of the present invention;

FIG. 9 is an enlarged view of the welding apparatus of the present invention;

FIG. 10 is an enlarged schematic view of the structure of the solder ball feeding device of the present invention;

FIG. 11 is an enlarged view of the structure of the solder ball bearing device of the present invention;

FIG. 12 is an enlarged schematic view of a solder ball feed head structure according to the present invention;

FIG. 13 is an enlarged view of the alloy plate structure of the present invention;

FIG. 14 is an enlarged view of the structure of the visual inspection part of the present invention;

FIG. 15 is an enlarged view of the structure of the blanking portion of the present invention;

FIG. 16 is an enlarged view of the turntable portion of the present invention;

FIG. 17 is an enlarged view of the tooling structure of the present invention;

FIG. 18 is a flow chart of a welding method of the present invention;

in the drawings: 1. a feeding part, 2, a laser welding part, 3, a vision inspection part, 4, a blanking part, 5, a turntable part, 11, a circular vibration disc, 12, a linear vibration disc, 13, a fine positioning device, 14, a material sucking and feeding device, 21, a welding device, 22, a solder ball blanking device, 23, a solder ball bearing device, 31, a vision bracket, 32, a vision probe, 41, a blanking base, 42, a blanking electric module, 43, an integrated electromagnetic valve, 44, a blanking sliding table, 45, a blanking cylinder, 46, a blanking suction nozzle, 47, a blanking funnel, 51, a turntable, 52, a tool, 53, a turntable base, 54, a speed reducing motor, 55, a turnover device, 121, a vibration disc body, 122, a positioning disc, 131, a fine positioning base, 132, a fine positioning cylinder, 133, a limit screw, 134, a fine positioning plate, 141, a material sucking and feeding base, 142, a material sucking and feeding linear module, 143 and an integrated suction valve, 144. the device comprises a suction material feeding sliding table, 145, a suction material feeding cylinder, 146, a suction nozzle fixing disc, 147, a nozzle device with a separated interval, 211, a lifting table, 212, a laser welding machine, 221, a solder ball blanking base, 222, a solder ball electric module, 223, a solder ball sliding table, 224, a solder ball blanking head, 225, a solder ball blanking electromagnetic valve, 226, a blanking electric sliding table, 231, a bearing support, 232, a bearing electric sliding table, 233, a bearing plate, 234, an outer frame support plate, 235, an alloy plate, 521, a tooling disc, 522, a bearing seat, 523, a detection disc, 524, a tooling gear, 525, a positioning bush, 526, a plug connector clamping lock, 1341, a fine positioning plate main body, 1342, a positioning tooth, 1471, a suction nozzle cylinder, 1472, a guide rail, 1473, a suction nozzle block, 1474, a suction nozzle head, 2241, a solder ball material cylinder, 2243, a solder ball material table, 2246, a cutting plate, 2247, a cutting motor, 2248, a cutting slider, a.

The specific implementation mode is as follows:

in order to make the implementation objects, technical solutions and advantages of the present invention clearer, the present invention will be described in more detail below with reference to fig. 1 to 18 of the accompanying drawings.

The invention provides a laser solder ball device for a plug connector, which comprises a feeding part 1, a laser welding part 2, a vision inspection part 3, a blanking part 4 and a turntable part 5; the laser welding part 2 comprises a nine-ball laser welding part and a ten-ball laser welding part; the feeding part 1, the nine-ball laser welding part, the visual inspection part 3, the ten-ball laser welding part, the visual inspection part 3 and the blanking part 4 are uniformly arranged on the periphery of the turntable part 5 in a hexagonal array mode in sequence; the turntable part 5 comprises a turntable 51 and a turntable base 53, and the turntable 51 is rotatably arranged on the upper part of the turntable base 53; six tools 52 are arranged on the turntable part 5, and the tools 52 are of a flat plate structure capable of being turned over; the six tools 52 are uniformly arranged at the edge of the turntable part 5 in a hexagonal array form; the feeding part 1 comprises a circular vibration disc 11, a linear vibration disc 12 and a fine positioning device 13; the linear vibration disc 12 comprises a vibration disc body 121 and a positioning disc 122, one end of the vibration disc body 121 is connected with the circular vibration disc 11, and the positioning disc 122 is arranged at the other end of the vibration disc body 121; the fine positioning device 13 is arranged at the positioning disc 122 and is matched with the positioning disc 122 to perform accurate positioning on the plug-in connector; the fine positioning device 13 comprises a fine positioning base 131, a fine positioning plate 134 is arranged on the upper portion of the fine positioning base 131, one end of the fine positioning plate 134 is connected with a fine positioning cylinder 132, and a limit screw 133 used for limiting the displacement distance of the fine positioning plate 134 is further arranged on the upper portion of the fine positioning base 131; the number of the circular vibration discs 11 is two, four channels which are parallel to each other are arranged on the linear vibration disc 12, and each circular vibration disc 11 is connected with two channels; the feeding part 1 further comprises a material sucking and feeding device 14 for transferring the plug connectors to the tool 52, the material sucking and feeding device 14 comprises a material sucking and feeding base 141, and the upper end of the material sucking and feeding base 141 is provided with a material sucking and feeding linear module 142; a material sucking and feeding sliding table 144 is arranged on the material sucking and feeding linear module 142 in a transverse translation manner; a material sucking and feeding cylinder 145 is arranged at the lower part of the material sucking and feeding sliding table 144, a nozzle fixing disc 146 is arranged at the end part of the material sucking and feeding cylinder 145, and a nozzle device 147 with a certain interval is arranged on the nozzle fixing disc 146; the laser welding part 2 comprises a welding device 21, a solder ball blanking device 22 and a solder ball bearing device 23, wherein the solder ball bearing device 23 is arranged below the solder ball blanking device 22, and the welding device 21 is arranged above the solder ball blanking device 22; the welding device 21 comprises a laser welder 212 and a lifting platform 211 for adjusting the height of the laser welder 212; the solder ball blanking device 22 comprises a solder ball blanking base 221, a solder ball electric module 222 for adjusting the position in the horizontal direction is arranged on the upper part of the solder ball blanking base 221, a solder ball sliding table 223 is connected on the solder ball electric module 222, a blanking electric sliding table 226 for adjusting the position in the vertical direction is arranged on the solder ball sliding table 223, and a solder ball blanking head 224 is arranged on the blanking electric sliding table 226; the solder ball bearing device 23 comprises a bearing support 231, the upper part of the bearing support 231 is provided with a bearing electric sliding table 232 for adjusting the position in the vertical direction, the upper end of the bearing electric sliding table 232 is fixedly provided with an outer frame support plate 234, a bearing plate 233 is arranged inside the outer frame support plate 234, and the bearing plate 233 is provided with a plurality of alloy plates 235 for bearing solder balls; the alloy plate is provided with a plurality of fulcrums 2351; the laser welding part 2 comprises a welding device 21 and a solder ball bearing device 23, the welding device 21 comprises a laser welding machine 212, and the solder ball bearing device 23 comprises a bearing plate 233; the vertical projections of the tooling 52, the laser welder 212 and the bearing plate 233 at the laser welding part 2 are superposed with each other; the vision inspection part 3 comprises a vision bracket 31 and a vision probe 32, and the vertical projection of the tool 52 positioned at the vision inspection part 3 is superposed with that of the vision probe 32; the blanking part 4 comprises a blanking base 41, a blanking electric module 42 is arranged on the upper part of the blanking base 41, an integrated electromagnetic valve 43 is connected onto the blanking electric module 42, a blanking sliding table 44 is connected onto the lower part of the integrated electromagnetic valve 43, a blanking cylinder 45 is arranged on the blanking sliding table 44, and the blanking cylinder 45 is connected with a blanking suction nozzle 46; the blanking part 4 also comprises a blanking funnel 47, and the blanking funnel 47 is positioned right below the moving path of the blanking suction nozzle 46; the turntable base 53 is provided with a driving device for driving the turntable 51 to rotate; the driving device comprises a speed reducing motor 54, synchronous belt wheels, synchronous belts and a cam divider, wherein the speed reducing motor 54 and the cam divider are both provided with the synchronous belt wheels, the two synchronous belt wheels are connected through the synchronous belts, and a rotating shaft of the cam divider is connected with the central point of the turntable 51; the turntable 51 is of a hexagonal flat plate structure, the six tools 52 are respectively arranged in the middle of six sides of the turntable 51, and the included angle between every two adjacent tools 52 is 60 degrees; the tool 52 comprises a tool disc 521, a bearing seat 522, a detection disc 523 and a tool gear 524, rotating shafts are arranged at two ends of the tool disc 521, and the tool disc 521 is rotatably connected with the bearing seat 522 through the rotating shafts; the bearing block 522 is fixedly arranged on the turntable 51; a detection disc 523 and a tooling gear 524 are also fixedly arranged on the rotating shaft; six positioning bolts 511 are respectively arranged on the turntable 51 close to the tooling 52, and positioning bushings 525 which are matched with the positioning bolts 511 for locking and limiting are arranged on two sides of the tooling 52; the positioning bolt comprises a body, a positioning pin, a shifting pin and a spring; the body is provided with a blind hole, one end of the positioning pin is arranged in the blind hole, a spring is arranged between the positioning pin and the body, and the positioning pin is vertically connected with the shifting pin; the tool tray 521 is also provided with a plurality of storage grooves for storing the plug connectors, and the plug connector clamping locks 526 for clamping and locking the plug connectors are arranged in the storage grooves; the tool disc 521, the detection disc 523 and the tool gear 524 rotate synchronously; the turntable part 5 further comprises two turning devices 55 for turning the tooling 52; the turnover device 55 comprises a turnover base, a turnover sliding table, a turnover cylinder, a turnover motor and a turnover gear; the overturning base is connected with the overturning sliding table through an overturning air cylinder, an overturning motor is arranged on the overturning sliding table, the overturning motor drives the overturning gear to rotate, and a photoelectric detection probe for detecting whether the tool 52 is completely horizontal is further arranged on the overturning sliding table; the welding device is characterized by further comprising a shell with protection and bearing functions, wherein the upper portion of the shell is provided with an exhaust hole for exhausting welding fume, the lower portion of the shell is provided with an air source control device for providing an air source and an electric control device for performing electric control, and the lower portion of the shell is further provided with an OK/NG material box for storing qualified products and unqualified products in a classified mode.

the method comprises the following steps: the plug connectors are moved from the circular vibration disc 11 to the positioning disc 122 through the linear vibration disc 12 in a certain arrangement mode through vibration;

step two: the material sucking and feeding device 14 transfers the plug connectors to the tool 52, and the plug connectors accurately fall into corresponding positions of the tool 52 in a one-to-one correspondence manner and are fixed through the plug connector clamping locks 526;

step three: the turntable 51 rotates clockwise by 60 degrees;

step four: the tool 52 is positioned at the nine-ball laser welding part station, the solder ball blanking device 22 puts the solder balls on each alloy plate 235, and then the electric module drives the solder ball blanking head 224 to move away from the position right above the bearing plate 233; the bearing electric sliding table 232 drives the bearing plate 233 to move downwards to the tooling 52, the laser welding machine 212 melts the solder balls, and the melted solder balls fall on the plug connector;

step five: repeating the third step;

step six: the tool 52 is positioned at the station of the visual inspection part 3, the welding condition is inspected, the plug connector with welding defects is recorded, and then the tool 52 is turned over;

step seven: repeating the third step;

step eight: the tool 52 is positioned at the ten-ball laser welding part station, the solder ball blanking device 22 puts the solder balls on each alloy plate 235, and then the electric module drives the solder ball blanking head 224 to move away from the position right above the bearing plate 233; the bearing electric sliding table 232 drives the bearing plate 233 to move downwards to the tooling 52, the laser welding machine 212 melts the solder balls, and the melted solder balls fall on the plug connector;

step nine: repeating the third step;

step ten: the tool 52 is positioned at the station of the visual inspection part 3, the welding condition is inspected, the plug connector with welding defects is recorded, and then the tool 52 is turned over;

step eleven: repeating the third step;

step twelve: the tool 52 is positioned at the station of the blanking part 4, the blanking part 4 transfers the plug connectors to the blanking funnel 47, qualified products fall into an OK material box in the OK/NG material box, and unqualified products fall into an NG material box in the OK/NG material box;

step one is a continuous process without stopping;

step two, step four, step six, step eight, step ten and step twelve can be carried out simultaneously.

One of the embodiments of the invention is as follows:

the present invention can be divided into seven parts, namely, a feeding part 1, a nine-ball laser welding part, a visual inspection part 3 for inspecting nine-ball welding conditions, a ten-ball laser welding part, a visual inspection part 3 for inspecting ten-ball welding conditions, a blanking part 4, and a turntable part 5.

The turntable part 5 is of a hexagonal structure, the feeding part 1, the nine-ball laser welding part, the visual inspection part 3 for inspecting the nine-ball welding condition, the ten-ball laser welding part, the visual inspection part 3 for inspecting the ten-ball welding condition and the blanking part 4 are respectively arranged around the turntable part 5 in a hexagonal array mode and are all arranged at the middle points of six sides of the hexagonal structure, the positions of the turntable part 5, the feeding part 1, the nine-ball laser welding part, the visual inspection part 3 for inspecting the nine-ball welding condition, the ten-ball laser welding part, the visual inspection part 3 for inspecting the ten-ball welding condition and the blanking part 4 which are overlapped with each other are all operation stations, and the angle between every two adjacent operation stations is approximately 60 degrees.

The loading part 1 is located at a loading station, the nine-ball laser welding part is located at a nine-ball welding station, the visual inspection part 3 for inspecting nine-ball welding conditions is located at a nine-ball inspection station, the ten-ball laser welding part is located at a ten-ball welding station, the visual inspection part 3 for inspecting ten-ball welding conditions is located at a ten-ball inspection station, and the blanking part 4 is located at a blanking station.

The turntable part 5 comprises a turntable 51, a tool 52, a turntable base 53, a speed reducing motor 54 and a turnover device 55;

the turntable 51 is in a hexagonal flat plate structure and is arranged at the upper end of a turntable base 53; a driving structure is arranged on the turntable base 53, the driving structure comprises a speed reducing motor 54, synchronous pulleys, synchronous belts and a cam divider, wherein the speed reducing motor 54 and the cam divider are both provided with the synchronous pulleys, the two synchronous pulleys are connected through the synchronous belts, a rotating shaft of the cam divider is connected with the central point of the turntable 51, the speed reducing motor 54 transmits power to the cam divider through the synchronous belts and drives the turntable 51 to rotate, and the cam divider can rotate at a precise angle and can meet the use precision requirement;

six tools 52 are arranged on the turntable 51, the six tools 52 are respectively arranged at the middle points of six edges of the turntable 51, and the included angle between every two adjacent tools 52 is 60 degrees;

the tool 52 comprises a tool disc 521, bearing seats 522, a detection disc 523, a tool gear 524, a positioning bushing 525, a connector clip clamping lock 526, a bearing, a guide bushing and a rotating shaft, the tool disc 521 is connected with the bearing seats 522 through the rotating shaft and the bearing, two of the tools 52 are provided with the bearing seats 522, and the bearing seats 522 are fixedly connected with the rotating disc 51, so that the tool disc 521 is turned more stably; the two sides of the tool 52 are also provided with positioning bushings 525, and the positioning bushings 525 are provided with blind holes.

Be provided with the location bolt on the carousel 51, the location bolt includes body, locating pin, group round pin and spring, and the body is fixed to be set up on carousel 51, and locating pin and spring setting are inside the body, and the locating pin can with body relative movement to receive the effort of spring, group round pin and perpendicular setting of locating pin, group round pin sub-unit connection has the cylinder of pulling open, pulls open the cylinder and fix the lower part at carousel 51. The positioning bolt corresponds to the positioning bush 525 in position, and the positioning pin can be inserted into the blind hole to realize the positioning effect; the drawing cylinder works, the positioning pin is pulled to compress the spring, a space is reserved for the rotation of the tool disc 521, when the tool 52 plate rotates to a position parallel to the rotary disc 51, the drawing cylinder does not work, the positioning pin moves towards the positioning bush 525 under the action of the spring and is inserted into the blind hole to accurately position the tool disc 521, and at the moment, the tool disc 521 is completely parallel to the rotary disc 51 and is in a completely horizontal state.

The turning of the tool 52 is realized by the following structure: a detection disc 523 and a tooling gear 524 arranged on the rotating shaft, and a turnover device 55; a detection slot is arranged on the detection disc 523 and is vertical to the tool disc 521; the turnover device 55 comprises a turnover base, a turnover sliding table, a turnover cylinder, a turnover motor and a turnover gear; the overturning base is connected with the overturning sliding table through an overturning cylinder, an overturning motor is arranged on the overturning sliding table, the overturning motor drives an overturning gear to rotate, the overturning gear is meshed with the tool gear 524, and the overturning motor drives the tool disc 521 to overturn through the mutually meshed overturning gear and the tool gear 524; meanwhile, a photoelectric detection probe is also arranged on the overturning sliding table;

the fixture 52 is provided with a positioning round bushing and a positioning diamond bushing for positioning with the bearing plate 233.

When the turntable 51 needs to rotate, the overturning cylinder contracts to separate the overturning gear from the tooling gear 524, and when the turntable 51 rotates to a preset station, the overturning cylinder extends to drive the overturning sliding table to move upwards until the overturning gear is meshed with the tooling gear 524, and then the overturning motor works to drive the tooling 52 to overturn by 180 degrees; at this time, the detection plate 523 is located inside the photoelectric detection probe, and the tool 52 is determined to be in the horizontal position by detecting whether the detection slit is vertical.

The feeding part 1 comprises a circular vibration disc 11, a linear vibration disc 12, a fine positioning device 13 and a material sucking and feeding device 14;

the vibration disc comprises two circular vibration discs 11 arranged in parallel, a linear vibration disc 12 is arranged between the two circular vibration discs 11, the linear vibration disc 12 comprises a vibration disc body 121 and a positioning disc 122, the vibration disc body 121 comprises four channels, and every two of the four channels are connected with the two circular vibration discs 11 respectively; the four channels of the vibration disc body 121 are provided with protective covers for preventing the plug connectors from falling off in the vibration process; the end part of the vibration disc body 121 is connected with a positioning disc 122, and the positioning disc 122 is matched with the fine positioning device 13 for accurate positioning; the space of the positioning plate 122 just accommodates four plug connectors, and a gap is reserved between adjacent positioning plates 122; the positioning plate 122 is a structure which is closed in two directions and opened in two directions, namely, the end part and one side far away from the seismic plate body 121 are closed, and one end and the other side facing the seismic plate body 121 are opened;

the fine positioning device 13 comprises a fine positioning base 131, a fine positioning cylinder 132, a limit screw 133 and a fine positioning plate 134, wherein the fine positioning plate 134 comprises a fine positioning plate body 1341 and positioning teeth 1342, the fine positioning plate 134 is arranged at the end of the positioning plate 122, the four positioning teeth 1342 are respectively arranged at one open side of the four positioning plates 122, and the width of each positioning tooth 1342 is smaller than the width of a gap between adjacent positioning plates 122; the fine positioning plate 134 is connected with the fine positioning base 131 through the fine positioning cylinder 132, and the other side of the fine positioning plate 134 is further provided with a limit screw 133 for limiting the displacement of the fine positioning plate 134; when the fine positioning cylinder 132 contracts, the positioning teeth 1342 are tightly attached to the closed side of the positioning plate 122; when the fine positioning cylinder 132 extends to the fine positioning plate 134 and abuts against the limit screw 133, the positioning teeth 1342 move to the open side of the adjacent positioning plate 122 and cling to the positioning plate 122, so as to push the plug-in connectors on the positioning plate 122 to be aligned. An optical fiber detection probe for detecting whether the plug-in unit is located at a predetermined position is provided at a lower portion of the puck 122.

The material sucking and feeding device 14 is arranged on one side of the fine positioning device 13 and comprises a material sucking and feeding base 141, a material sucking and feeding linear module 142, an integrated suction valve 143, a material sucking and feeding sliding table 144, a material sucking and feeding cylinder 145, a suction nozzle fixing disc 146 and a sub-interval suction nozzle device 147;

the material sucking and feeding linear module 142 is arranged at the upper end of the material sucking and feeding base 141 and is perpendicular to the material sucking and feeding base 141; the integrated suction valve 143 and the suction feeding sliding table 144 are movably connected with the suction feeding linear module 142 and can move horizontally on the suction feeding linear module 142; the lower part of the material sucking and feeding sliding table 144 is provided with a material sucking and feeding cylinder 145, the end part of the material sucking and feeding cylinder 145 is connected with a suction nozzle fixing disc 146, the material sucking and feeding cylinder 145 drives the suction nozzle fixing disc 146 to move in the vertical direction, and the suction nozzle devices 147 are arranged on the suction nozzle fixing disc 146 at intervals;

the nozzle device 147 includes a guide rail 1472 disposed on the nozzle fixing plate, a nozzle block 1473 horizontally moving along the guide rail 1472, and a nozzle head 1474 disposed on the nozzle block 1473, and a nozzle cylinder 1471 is further disposed on the nozzle fixing plate 146, and the nozzle cylinder 1471 is connected to one nozzle block 1473 at the end and can drive the nozzle block 1473 to move horizontally; the number of the nozzle blocks 1473 is four, the adjacent nozzle blocks 1473 are connected through positioning pieces, long holes are formed in the positioning pieces, and pin shafts on the nozzle blocks 1473 are arranged in the long holes of the positioning pieces of the adjacent nozzle blocks 1473, so that the adjacent nozzle blocks 1473 are pulled to move together after the nozzle blocks 1473 move for a certain distance, and the effect of mutually equidistantly unfolding is achieved. When the four nozzle blocks 1473 are unfolded, the position of the nozzle head 1474 exactly corresponds to the plug connector on the positioning plate 122 and the position of the plug connector storage groove on the tool 52.

In this embodiment, each suction nozzle block 1473 is provided with two suction nozzle heads 1474, which can simultaneously suck eight plug-in units, and suck twice to complete the suction and feeding process of all sixteen plug-in units; in other embodiments, four nozzle blocks 1474 may be provided on each nozzle block 1473, so that sixteen plug-in units can be sucked at one time.

The cyclic reciprocating movement of the sub-pitch suction nozzle device 147 between the positioning plate 122 and the tooling 52 can be realized by the suction feeding linear module 142.

The laser welding parts 2 are divided into nine-ball laser welding parts and ten-ball laser welding parts according to the different numbers of the corresponding solder balls, and the laser welding parts are respectively used for carrying out laser welding on the nine balls and the ten balls; in this embodiment, nine balls are laser welded in front and ten balls are laser welded in back; in other embodiments, the order of changing the positions of the two can be adjusted, and ten-ball laser welding is performed first, and then nine-ball laser welding is performed.

The laser welding part 2 mainly comprises a welding device 21, a solder ball blanking device 22 and a solder ball bearing device 23;

the welding device 21 comprises a lifting table 211 and a laser welder 212, wherein the laser welder 212 can move in the vertical direction under the driving of the lifting table 211;

the solder ball blanking device 22 comprises a solder ball blanking base 221, a solder ball electric module 222, a solder ball sliding table 223, a solder ball blanking head 224, a solder ball blanking solenoid valve 225 and a blanking electric sliding table 226; the solder ball electric module 222 is arranged at the upper end of the solder ball blanking base 221 and is vertical to the solder ball blanking base 221; the solder ball sliding table 223 is disposed on the solder ball electric module 222 and can move horizontally and laterally along the solder ball electric module 222; an integrated electromagnetic valve and a blanking electric sliding table 226 are fixedly arranged on the solder ball sliding table 223, a solder ball blanking head 224 is arranged on the blanking electric sliding table 226, and the solder ball blanking head 224 can move in the vertical direction along the blanking electric sliding table 226;

the solder ball blanking head 224 comprises a solder ball charging barrel 2241, a solder ball platform 2243, a blanking plate 2246, a blanking motor 2247, a blanking sliding block 2248, a solder ball blanking cylinder, a blowing joint, an air passage, piezoelectric ceramics, a solder ball less-material detection probe, a solder ball storage channel, a solder ball transverse pushing channel, a solder ball blanking channel and an auxiliary thimble; eight solder ball charging barrels 2241 are arranged at the upper part of the solder ball material table 2243 and are divided into two rows, wherein each row is provided with four charging barrels; the air passage and the solder ball storage passage are both arranged inside the solder ball material table 2243;

the upper end of the solder ball storage channel is connected with a solder ball charging barrel 2241, the lower end of the solder ball storage channel is connected with a solder ball transverse pushing channel, and the other end of the solder ball transverse pushing channel is connected with the middle part of the solder ball discharging channel; a blanking plate 2246 is arranged in the solder ball transverse pushing channel, one end of the blanking plate 2246 is connected with a blanking sliding block 2248, the other end of the blanking sliding block 2248 is connected with a blanking motor 2247, and the moving range of the other end of the blanking plate 2246 is from the boundary of the solder ball storage channel to the boundary of the solder ball discharging channel; an auxiliary thimble is arranged in the solder ball discharging channel, and the upper end of the auxiliary thimble is connected with a solder ball lower-jacking cylinder; the middle part of the solder ball storage channel is connected with an air channel, the end part of the air channel is connected with an air blowing joint, and inert gas is blown into the solder ball storage channel through the air channel; the solder ball material table 2243 is provided with piezoelectric ceramic, and can vibrate when being powered on to assist the solder balls to fall down; the solder ball storage channel is provided with a solder ball less detection probe for detecting whether the solder ball is lack in the solder ball storage channel.

The diameter of the solder ball is 0.65 mm, the diameter of the blanking plate 2246 is 0.7 mm, the height of the solder ball transverse pushing channel is slightly larger than 0.7 mm, and only one solder ball is pushed by each blanking.

The solder balls in the solder ball charging barrel 2241 fall in sequence under the action of gravity and vibration to enter the solder ball storage channel, the material cutting motor 2247 drives the material cutting plate 2246 to move transversely to push a solder ball to move to the solder ball discharging channel, and the solder ball falls under the action of gravity, wind power and the auxiliary ejector pin and falls out of the solder ball material table 2243 to the solder ball bearing device 23;

meanwhile, the ion fan is arranged and connected with the blowing joint, so that the purpose of eliminating static electricity is achieved, and the solder balls are prevented from being brought back by the ejector pins due to static electricity.

The solder ball bearing device 23 comprises a bearing support 231, a bearing electric sliding table 232, a bearing plate 233, an outer frame support plate 234, an alloy plate 235 and a floating pin, wherein the bearing electric sliding table 232 is arranged on the bearing support 231, the outer frame support plate 234 is arranged on the bearing electric sliding table 232, the inner part of the outer frame support plate 234 is connected with the bearing plate 233 through the floating pin, and the floating pin comprises a pin shaft and a spring, so that the bearing plate 233 and the outer frame support plate 234 can make small-amplitude relative displacement, and the influence of the rotation error and the machining tolerance of the cam divider is eliminated;

sixteen alloy plates 235 are uniformly distributed on the bearing plate 233, and the sixteen alloy plates 235 correspond to sixteen connector storage grooves in the tool 52 one by one; the lower end of the bearing plate 233 is provided with a positioning round pin and a positioning diamond pin which respectively correspond to a positioning round bushing and a positioning diamond bushing on the tool 52;

the alloy plate 235 is made of high-temperature-resistant titanium-molybdenum alloy which is not easy to heat up, and the tin balls are not easy to adhere to the alloy plate 235 after being melted;

a plurality of solder ball placing positions are arranged on the alloy plate 235, and supporting points 2351 are arranged in the solder ball placing positions, so that the alloy plate 235 is connected with the solder balls through four points, and the solder balls can quickly drop after being melted; the position of the solder ball placing position completely corresponds to the welding position on the connector clip.

For the nine-ball laser welding part, the number of the air passages, the solder ball storage channel, the solder ball transverse pushing channel, the solder ball discharging channel and the auxiliary ejector pins is 9 by 8 and is 72, and the number of the solder ball placing positions on the alloy plate 235 is 9; for the ten-ball laser welding part, the number of the air passages, the solder ball storage channel, the solder ball transverse pushing channel, the solder ball discharging channel and the auxiliary ejector pins is 10 by 8, and the number of the solder ball placing positions on the alloy plate 235 is also 10.

The vision inspection part 3 comprises a vision bracket 31 and a vision probe 32, wherein the vision probe 32 is arranged on the vision bracket 31, and the vision probe 32 is positioned right above the tool 52; the vision probe 32 checks the soldering of the connectors and records the defective connectors.

The turning device 55 is provided at the nine-ball inspection station and the ten-ball inspection station, and turns after the visual inspection.

The blanking part 4 comprises a blanking base 41, a blanking electric module 42, an integrated electromagnetic valve 43, a blanking sliding table 44, a blanking cylinder 45, a blanking suction nozzle 46 and a blanking funnel 47; the blanking electric module 42 is arranged at the upper end of the blanking base 41 and is vertical to the blanking base 41; the integrated electromagnetic valve 43 and the blanking sliding table 44 are movably connected with the blanking electric module 42 and can move on the blanking electric module 42 in the horizontal direction; a blanking cylinder 45 is arranged at the lower part of the blanking sliding table 44, the end part of the blanking cylinder 45 is connected with a blanking suction nozzle 46, and the blanking cylinder 45 drives the blanking suction nozzle 46 to move in the vertical direction;

a blanking funnel 47 is arranged right below the moving track of the blanking suction nozzle 46 and is used for receiving the welded plug connector; the blanking funnel 47 has a plurality of openings for receiving the qualified products and the unqualified products, respectively; the blanking suction nozzle 46 drops the conforming product and the nonconforming product into different openings according to the condition recorded by the visual inspection unit 3.

The discharging hopper 47 is connected with an OK/NG material box which is divided into an OK material box and an NG material box which are respectively used for preventing qualified products and unqualified products and are respectively communicated with different openings.

A sickle bin in-place detection probe is arranged at the communication position of the discharging funnel 47 and the OK/NG material box and is used for detecting whether the plug connector enters the material box or not; full-material detection probes are arranged in the OK material box and the NG material box and used for detecting whether the plug connectors in the OK material box and the NG material box are full or not.

The shell comprises two parts, a main shell for protecting all the components except the circular vibration disc 11 and installing each part, and an auxiliary shell for installing and protecting the circular vibration disc 11; the main shell and the auxiliary shell are arranged close to each other, and the linear vibration disc 12 penetrates through and connects the main shell and the auxiliary shell; the first half of main casing body and vice casing all adopts transparent ya keli material to make the observation door that can open and shut, conveniently observes the inside condition of casing.

The feeding part 1, the nine-ball laser welding part, the visual inspection part 3 for inspecting the nine-ball welding condition, the ten-ball laser welding part, the visual inspection part 3 for inspecting the ten-ball welding condition, the blanking part 4 and the turntable part 5 are all arranged on the upper half part of the shell, the lower half part of the main shell is provided with an air source control device, an electric control device and an OK/NG bin, the upper part of the main shell is provided with an exhaust hole for exhausting smoke dust and gas generated in the welding process, and the upper part of the main shell is also provided with a three-color warning lamp for warning;

the upper half part of the shell is provided with a display for displaying various information, a touch screen for performing control operation, an operation button and a keyboard and mouse operation console.

The air source control device is connected with components needing to be communicated with air, such as each air cylinder, the material sucking and feeding device 14, the blanking part 4, the solder ball blanking head 224 and the like, provides air sources for the components, and receives the air sources from the devices of the electrical control device;

the electric control device comprises a power supply control part and an intelligent control part, wherein the power supply control part is used for providing power supplies matched with all the parts, and the intelligent control part is electrically connected with all the parts and all the detection probes to carry out automatic control.

The suction nozzles mentioned in the invention are all in a vacuum chuck structure, and an integrated electromagnetic valve, a tin ball blanking electromagnetic valve, an integrated suction valve and the like play a role in controlling gas and are connected with a hospital control device; one of two signals is distributed to an integrated electromagnetic valve, a tin ball blanking electromagnetic valve and an integrated air suction valve through an intelligent control PLC, and then air is controlled.

In this embodiment, some parameters of the present invention are set as follows:

device size length by width by height, excluding three-color lamps, unit mm: 1600 × 1860;

a device power supply: 220V +/-10% and 50 Hz;

and (3) equipment air source: not less than 0.6 MPa;

device power: less than or equal to 2 Kw;

the gas consumption of the equipment: less than or equal to 50L/min;

production efficiency: 16 pieces/10 seconds;

an air source interface: phi 12;

in other embodiments, the parameters may be changed according to actual conditions;

step three: the turntable 51 rotates clockwise by 60 degrees;

step five: repeating the third step;

step seven: repeating the third step;

step nine: repeating the third step;

step eleven: repeating the third step;

wherein, the first step is a continuous process without stopping;

wherein, the second step, the fourth step, the sixth step, the eighth step, the tenth step and the twelfth step can be carried out simultaneously.

The working flow of the welding method provided by the invention is described in two cases:

focusing on a tool 52:

the circular vibration disc 11 is internally stored with plug connectors, under the action of vibration, the plug connectors are linearly vibrated from the circular vibration disc 11 in a specific arrangement mode and moved to the positioning disc 122, the plug connectors are arranged in order by the fine positioning device 13, and the next procedure is carried out after the regularity is detected to be qualified by the optical fiber detection probe;

the material sucking and feeding device 14 sucks the plug connector and transfers the plug connector into the plug connector storage groove of the tool 52, and the plug connector is fixed by the plug connector clamping lock 526;

rotating the turntable 51 for 60 degrees, and transferring the tool 52 from the feeding station to a nine-ball welding station;

the positioning bolt is inserted into the positioning bush 525, and the tool 52 is locked and is in a horizontal state; the solder ball is placed on the bearing plate 233 by the solder ball feeding device 22, then the solder ball feeding device 22 moves to avoid the position right above the bearing plate 233, the laser welder 212 works to melt the solder ball, and the melted solder ball falls on the connector welding position on the tool 52;

rotating the turntable 51 for 60 degrees, and transferring the tool 52 from the nine-ball welding station to the nine-ball inspection station;

the vision probe 32 checks the welding condition of the plug connector, records the unqualified condition, pulls the positioning bolt open, moves the turnover gear upwards and is meshed with the tool gear 524, and the tool 52 is turned over by 180 degrees under the drive of the turnover motor;

rotating the turntable 51 for 60 degrees, and transferring the tool 52 from the nine-ball inspection station to the ten-ball welding station;

rotating the turntable 51 for 60 degrees, and transferring the tool 52 from the ten-ball welding station to the ten-ball inspection station;

rotating the turntable 51 for 60 degrees, and transferring the tool 52 from the ten-ball inspection station to a blanking station;

the plug connector clamping lock 526 is opened, the blanking part 4 sucks and transfers the plug connector to the blanking hopper 47, qualified products and unqualified products are put into different openings according to the record of the visual inspection part 3, the qualified products enter an OK bin, and the unqualified products enter an NG bin;

rotating the turntable 51 for 60 degrees, and transferring the tool 52 from the blanking station to the feeding station;

thereby completing a single workflow;

secondly, focusing on the whole:

in actual work, certain steps can be carried out simultaneously so as to save time and improve efficiency;

as shown in fig. 18, step one is a continuous process without stopping, that is, the circular vibration plate 11 and the linear vibration plate 12 continuously work, and the plug connectors are transferred to the positioning plate 122, and if the plug connectors exist in the positioning plate 122, other plug connectors are sequentially arranged and wait in the vibration plate body 121;

step two, step four, step six, step eight, step ten and step twelve can be carried out at the same time, do not influence each other;

starting from startup, the first step is started to operate, namely, the connecting piece continuously moves to the positioning disk 122;

then, the second step is carried out, namely, the plug connector is transferred to the tool 52;

then, the third step is carried out, namely, the turntable 51 rotates 60 degrees clockwise;

then, operating the step two at a feeding station, and operating the step four at a nine-ball welding station, namely performing nine-ball welding;

then, the fifth step is carried out, namely, the third step is repeated, and the turntable 51 rotates clockwise by 60 degrees;

then, a second step is operated at a feeding station, a fourth step is operated at a nine-ball welding station, and a sixth step is operated at a nine-ball inspection station, namely the nine-ball welding condition is inspected;

then, the seventh step is carried out, namely, the third step is repeated, and the turntable 51 rotates clockwise by 60 degrees;

then, operating the step two at a feeding station, operating the step four at a nine-ball welding station, operating the step six at a nine-ball inspection station, and operating the step eight at a ten-ball welding station, namely performing ten-ball welding;

then the ninth step is carried out, namely the third step is repeated, and the turntable 51 rotates clockwise for 60 degrees;

then, a second step is operated at a feeding station, a fourth step is operated at a nine-ball welding station, a sixth step is operated at a nine-ball inspection station, an eighth step is operated at a ten-ball welding station, and a tenth step is operated at a ten-ball inspection station, namely, the ten-ball welding condition is inspected;

then, the operation of the eleventh step is repeated, namely, the third step is repeated, and the turntable 51 rotates clockwise by 60 degrees;

then, a second step is carried out at a feeding station, a fourth step is carried out at a nine-ball welding station, a sixth step is carried out at a nine-ball inspection station, an eighth step is carried out at a ten-ball welding station, a tenth step is carried out at a ten-ball inspection station, and a twelfth step is carried out at a blanking station, namely blanking;

then repeating the third step;

then, a second step is carried out at a feeding station, a fourth step is carried out at a nine-ball welding station, a sixth step is carried out at a nine-ball inspection station, an eighth step is carried out at a ten-ball welding station, a tenth step is carried out at a ten-ball inspection station, and a twelfth step is carried out at a discharging station;

entering normal work from this point, rotating the turntable 51 clockwise by 180 degrees in the third step and alternately operating the second step, the fourth step, the sixth step, the eighth step, the tenth step and the twelfth step;

and if the machine is required to be stopped, the working procedures are reversely operated, and the step two, the step four, the step six, the step eight, the step ten and the step twelve are gradually stopped until all the steps are stopped, and the machine is stopped.

In other embodiments, a repair welding device can be added at the blanking part 4, the structure of the repair welding device is basically the same as that of the laser welding part 2, and the difference is that blanking, bearing and welding of one solder ball are performed each time, so that the welding point lacking position is separately repaired and welded; the repair welding device further comprises a turnover device 55 so as to turn over the tool 52 and realize repair welding on the welding point lacking positions on the front side and the back side.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plug connector laser solder ball device comprises a feeding part (1), a laser welding part (2), a vision inspection part (3), a discharging part (4) and a turntable part (5); the method is characterized in that:

the laser welding part (2) comprises a nine-ball laser welding part and a ten-ball laser welding part;

the feeding part (1), the nine-ball laser welding part, the visual inspection part (3), the ten-ball laser welding part, the visual inspection part (3) and the blanking part (4) are sequentially and uniformly arranged on the periphery of the turntable part (5) in a hexagonal array mode;

the turntable part (5) comprises a turntable (51) and a turntable base (53), and the turntable (51) is rotatably arranged on the upper part of the turntable base (53);

six tools (52) are arranged on the turntable part (5), and the tools (52) are of a plate structure capable of being turned over; the six tools (52) are uniformly arranged at the edge of the turntable part (5) in a hexagonal array mode.

2. The laser solder ball attachment of claim 1, wherein: the feeding part (1) comprises a circular vibration disc (11), a linear vibration disc (12) and a fine positioning device (13); the linear vibration disc (12) comprises a vibration disc body (121) and a positioning disc (122), one end of the vibration disc body (121) is connected with the circular vibration disc (11), and the positioning disc (122) is arranged at the other end of the vibration disc body (121); the fine positioning device (13) is arranged at the positioning disc (122) and is matched with the positioning disc (122) to accurately position the plug-in connector.

3. The laser solder ball attachment of claim 2, wherein: the fine positioning device (13) comprises a fine positioning base (131), a fine positioning plate (134) is arranged on the upper portion of the fine positioning base (131), a fine positioning cylinder (132) is connected to one end of the fine positioning plate (134), and a limit screw (133) used for limiting the displacement distance of the fine positioning plate (134) is further arranged on the upper portion of the fine positioning base (131).

4. The laser solder ball attachment of claim 2, wherein: the circular vibration discs (11) are provided with two circular vibration discs, the linear vibration disc (12) is provided with four channels which are parallel to each other, and each circular vibration disc (11) is connected with two channels.

5. The laser solder ball attachment of claim 1 or 2, wherein: the loading part (1) further comprises a material sucking and loading device (14) used for transferring the plug connectors to a tool (52), the material sucking and loading device (14) comprises a material sucking and loading base (141), and a material sucking and loading linear module (142) is arranged at the upper end of the material sucking and loading base (141); a material sucking and feeding sliding table (144) is arranged on the material sucking and feeding linear module (142) in a transverse translation mode; the suction material feeding device is characterized in that a suction material feeding cylinder (145) is arranged on the lower portion of the suction material feeding sliding table (144), a suction nozzle fixing disc (146) is arranged at the end portion of the suction material feeding cylinder (145), and a sub-interval suction nozzle device (147) is arranged on the suction nozzle fixing disc (146).

6. The laser solder ball attachment of claim 1, wherein: the laser welding part (2) comprises a welding device (21), a solder ball blanking device (22) and a solder ball bearing device (23), the solder ball bearing device (23) is arranged below the solder ball blanking device (22), and the welding device (21) is arranged above the solder ball blanking device (22).

7. The laser solder ball attachment of claim 6, wherein: the welding device (21) comprises a laser welding machine (212) and a lifting platform (211) used for adjusting the height of the laser welding machine (212).

8. The laser solder ball attachment of claim 6, wherein: the tin ball blanking device (22) comprises a tin ball blanking base (221), wherein a tin ball electric module (222) used for adjusting the position in the horizontal direction is arranged on the upper portion of the tin ball blanking base (221), a tin ball sliding table (223) is connected onto the tin ball electric module (222), a blanking electric sliding table (226) used for adjusting the position in the vertical direction is arranged on the tin ball sliding table (223), and a tin ball blanking head (224) is arranged on the blanking electric sliding table (226).

9. The laser solder ball attachment of claim 6, wherein: tin ball bears device (23) is including bearing support (231), it is provided with the electric slip table (232) that bears that is used for adjusting the vertical direction position to bear support (231) upper portion, it is provided with frame extension board (234) to bear the fixed frame extension board (232) upper end, frame extension board (234) inside is provided with loading board (233), be provided with a plurality of alloy plates (235) that are used for bearing the tin ball on loading board (233).

10. The laser solder ball attachment of claim 9, wherein: the alloy plate is provided with a plurality of fulcrums (2351).

11. The laser solder ball attachment of claim 1, wherein: the laser welding part (2) comprises a welding device (21) and a tin ball bearing device (23), the welding device (21) comprises a laser welding machine (212), and the tin ball bearing device (23) comprises a bearing plate (233); the vertical projections of the tool (52), the laser welding machine (212) and the bearing plate (233) positioned at the laser welding part (2) are superposed with each other.

12. The laser solder ball attachment of claim 1, wherein: the vision inspection part (3) comprises a vision bracket (31) and a vision probe (32), and the tool (52) positioned at the vision inspection part (3) is superposed with the vertical projection of the vision probe (32).

13. The laser solder ball attachment of claim 1, wherein: unloading portion (4) are including unloading base (41), unloading base (41) upper portion is provided with unloading electric module (42), be connected with integrated form solenoid valve (43) on unloading electric module (42), integrated form solenoid valve (43) sub-unit connection has unloading slip table (44), be provided with unloading cylinder (45) on unloading slip table (44), unloading cylinder (45) are connected with unloading suction nozzle (46).

14. The laser solder ball attachment of claim 13, wherein: the blanking part (4) further comprises a blanking funnel (47), and the blanking funnel (47) is located right below a moving path of the blanking suction nozzle (46).

15. The laser solder ball attachment of claim 1, wherein: the turntable base (53) is provided with a driving device for driving the turntable (51) to rotate.

16. The laser solder ball attachment of claim 15, wherein: the driving device comprises a speed reducing motor (54), synchronous belt wheels, synchronous belts and a cam divider, wherein the speed reducing motor (54) and the cam divider are both provided with the synchronous belt wheels, the two synchronous belt wheels are connected through the synchronous belts, and a rotating shaft of the cam divider is connected with the central point of a turntable (51).

17. The laser solder ball attachment of claim 1, wherein: the turntable (51) is of a hexagonal flat plate structure, six tools (52) are respectively arranged in the middle of six sides of the turntable (51), and the included angle between the tools (52) is 60 degrees.

18. The connector laser solder ball apparatus according to claim 1 or 17, wherein: the tool (52) comprises a tool disc (521), a bearing seat (522), a detection disc (523) and a tool gear (524), rotating shafts are arranged at two ends of the tool disc (521), and the tool disc (521) is connected with the bearing seat (522) in a rotatable mode through the rotating shafts; the bearing seat (522) is fixedly arranged on the rotary disc (51); and a detection disc (523) and a tooling gear (524) are fixedly arranged on the rotating shaft.

19. The connector laser solder ball apparatus according to claim 1 or 17, wherein: the position that is close to frock (52) on carousel (51) is provided with six location bolt (511) respectively, the both sides of frock (52) are provided with and cooperate with location bolt (511) and carry out spacing location bush (525) of locking.

20. The laser solder ball attachment of claim 18, wherein: still be provided with a plurality of storage slots that are used for depositing the plug connector on the frock dish (521), it is a plurality of all be provided with plug connector clamp lock (526) that are used for pressing from both sides tight locking plug connector in the storage slot.

21. The laser solder ball attachment of claim 1, wherein: the turntable part (5) further comprises two overturning devices (55) used for overturning the tool (52).

22. The laser solder ball attachment of claim 21, wherein: the overturning device (55) comprises an overturning base, an overturning sliding table, an overturning cylinder, an overturning motor and an overturning gear; the turnover base is connected with the turnover sliding table through a turnover cylinder, a turnover motor is arranged on the turnover sliding table and drives a turnover gear to rotate, and a photoelectric detection probe for detecting whether a tool (52) is completely horizontal is further arranged on the turnover sliding table.

23. The laser solder ball attachment of claim 1, wherein: the welding machine is characterized by further comprising a shell which plays a role in protection and bearing, wherein an exhaust hole for discharging welding fume is formed in the upper portion of the shell, an air source control device for providing an air source and an electric control device for electric control are arranged on the lower portion of the shell, and an OK/NG material box for storing qualified products and unqualified products in a classified mode is further arranged on the lower portion of the shell.

24. A soldering method applied to the laser solder ball apparatus for socket connector according to any one of claims 1 to 23, comprising the steps of:

the method comprises the following steps: the plug connectors are moved from the circular vibration disc (11) to the positioning disc (122) through the linear vibration disc (12) in a certain arrangement mode through vibration;

step two: the plug connectors are transferred to the tool (52) by the material sucking and feeding device (14), and the plug connectors accurately fall into corresponding positions of the tool (52) in a one-to-one correspondence mode and are fixed through plug connector clamping locks (526);

step three: the turntable (51) rotates clockwise by 60 degrees;

step four: the tool (52) is positioned at a nine-ball laser welding part station, the solder balls are placed on each alloy plate (235) by the solder ball blanking device (22), and then the electric module drives the solder ball blanking head (224) to move away from the position right above the bearing plate (233); the bearing electric sliding table (232) drives the bearing plate (233) to move downwards to the tool (52), the laser welding machine (212) melts the solder balls, and the melted solder balls fall on the plug connector;

step five: repeating the third step;

step six: the tool (52) is positioned at a station of the visual inspection part (3), the welding condition is inspected, the connector with welding defects is recorded, and then the tool (52) is turned over;

step seven: repeating the third step;

step eight: the tool (52) is positioned at a ten-ball laser welding part station, the solder balls are placed on each alloy plate (235) by the solder ball blanking device (22), and then the electric module drives the solder ball blanking head (224) to move away from the position right above the bearing plate (233); the bearing electric sliding table (232) drives the bearing plate (233) to move downwards to the tool (52), the laser welding machine (212) melts the solder balls, and the melted solder balls fall on the plug connector;

step nine: repeating the third step;

step ten: the tool (52) is positioned at a station of the visual inspection part (3), the welding condition is inspected, the connector with welding defects is recorded, and then the tool (52) is turned over;

step eleven: repeating the third step;

step twelve: the tooling (52) is positioned on a station of the blanking part (4), the blanking part (4) transfers the plug connector to the blanking funnel (47), qualified products fall into an OK material box in an OK/NG material box, and unqualified products fall into an NG material box in the OK/NG material box.

25. The welding method of claim 24, wherein: the first step is a continuous process without stopping.

26. The welding method of claim 24, wherein: step two, step four, step six, step eight, step ten and step twelve can be carried out simultaneously.