CN109802030B - LED element and production method thereof - Google Patents
LED element and production method thereof Download PDFInfo
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- CN109802030B CN109802030B CN201910070835.7A CN201910070835A CN109802030B CN 109802030 B CN109802030 B CN 109802030B CN 201910070835 A CN201910070835 A CN 201910070835A CN 109802030 B CN109802030 B CN 109802030B
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Abstract
The invention relates to the field of electronic element production, in particular to an LED element and a production method thereof. An LED element and a production method thereof comprise an automatic production device of the LED element, wherein the device comprises a frame, and an LED element feeding device, a cleaning device, a soldering device, a carrying device, a circulation device and a swinging disc blanking device which are arranged on the frame; the LED element feeding device is used for feeding LED elements, and the cleaning device is positioned below the LED element feeding device and is used for cleaning the elements before processing; the soldering tin device is connected with the LED element feeding device and is used for soldering tin on the elements; the conveying device is connected with the soldering tin device and the circulating device and conveys the soldered LED elements into the circulating device; the swinging plate blanking device is connected with the circulating device, and the LED elements are subjected to swinging plate and blanking. The production method has the advantages of high automation degree, high working efficiency and high product qualification rate.
Description
Technical Field
The invention relates to the field of electronic element production, in particular to an LED element and a production method thereof.
Background
The existing LED light-emitting elements mostly adopt a flat circuit board, a row of dense LEDs are arranged on the circuit board, the LED elements are connected with the circuit board through soldering tin, and a layer of tin needs to be welded on electrodes in advance in the production process of the LED light-emitting elements. Current welding technique is mostly spot welding, accomplishes through the manual work, and the not enough of prior art existence is: 1. the LED element feeding is not accurate and the efficiency is low; 2. the LED element is welded insecurely and has impurities; 3. the soldering of the LED element is unreliable and difficult; 4. the clamping efficiency of the LED elements is low, the reliability is not enough 5, the blanking precision of the LED elements is low, and the blanking process is complicated.
Object of the Invention
The invention aims to provide a production method of an LED element, which has high automation degree, high working efficiency and high product qualification rate.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a production method of an LED element is completed through the following steps in sequence:
the method comprises the following steps: firstly, a workpiece is sent into a cleaning device through an LED element feeding device;
(II) a cleaning step: preprocessing before processing, and cleaning the end face of the LED element by a cleaning device; when the cleaning device works specifically, the liquid receiving groove bar receives and takes a certain amount of cleaning liquid and then lifts, the end face of a workpiece sucked by the sucker group is immersed in the cleaning liquid to be wetted, then the workpiece is conveyed to the sponge on the friction wheels to be contacted, the cleaning liquid on the end face of the workpiece is sucked and wiped clean when the two friction wheels rotate, and the sucked liquid is squeezed by the squeezing of the two friction wheels;
(III) soldering: then the soldering tin device clamps the LED element and performs end soldering on the LED element, and the LED element is conveyed to the circulation device through the conveying device after soldering is completed; when the tin soldering device works specifically, the sixth motor drives the overturning component to move horizontally, the longitudinal moving component drives the overturning component to move vertically, firstly, the eighth motor enables the rotating shaft plate to be vertical, the fourth cylinder 9 drives the first rack to move, the movable clamping jaw is opened, a workpiece is clamped after being placed, then, the eighth motor overturns the rotating shaft plate, the longitudinal moving component enables the rotating shaft plate to descend integrally, the rotating shaft plate enters the tin bath and enters the tin bath, before the rotating shaft plate enters the tin bath, the fifth transmission belt drives the scraping plate to move to the side of the waste residue collection box, a surface oxidation layer in the tin bath is scraped to the waste residue collection box, when the scraping plate is close to an inclined block on the end part, the roller of the scraping plate is contacted with the guide bar, so that the scraping plate moves obliquely upwards and corresponds to the outline of the inclined block;
(IV) a detection step: carrying out appearance detection and welding quality detection on the workpiece subjected to soldering in the flow device; when the circulation device works specifically, the tenth motor drives the jig to circulate step by step, when the circulation device stops working, the positioning mechanism positions the jig, one side of the jig is used for feeding, the other side of the jig is used for discharging, the CCD detection assembly is used for detecting the welding quality of workpieces in the jig in the middle process, and the jig is cleaned below the jig through the washing tank after being discharged;
(V) blanking: and after the detection is finished, the finished product is subjected to disc swinging and blanking through a disc swinging and blanking device.
A production device of an LED element comprises a rack, and an LED element feeding device, a cleaning device, a soldering device, a carrying device, a circulation device and a swinging disc discharging device which are arranged on the rack; the cleaning device is positioned below the LED element feeding device; the soldering tin device is connected with the LED element feeding device; the transfer device is positioned at the side of the soldering device, and the carrying device is connected with the soldering device and the transfer device; the swinging plate blanking device is connected with the circulating device.
Preferably, the cleaning device comprises a wetting component and a wiping component, the wetting component and the wiping component are arranged side by side, the wetting component wets the end face of the workpiece, and the wiping component wipes and cleans the workpiece.
Preferably, the wetting assembly comprises a third mounting seat, a water tank, a third cylinder, a connecting rod and a liquid receiving tank strip; the basin is installed on the third mount pad, contains the washing liquid in the basin, and the third cylinder is vertical to be installed on the third mount pad, connects the cistern strip to install on the flexible end of third cylinder through the connecting rod, connects the cistern strip to be located the basin directly over, connects cistern strip middle part to open there is the heavy groove, and open to the side has the straight flute for connect and get quantitative washing liquid.
Preferably, the wiping component comprises a fourth mounting seat, a fifth motor, a first gear, a friction wheel, a second gear, a motor seat and a mounting groove; the mounting groove is fixedly arranged on the fourth mounting seat, the fifth motor is mounted on the fourth mounting seat through a motor seat, and the first gear is mounted on an output shaft of the fifth motor; the second gears are arranged on the friction wheel, the friction wheel is rotationally connected to the mounting groove, the two second gears are meshed, and the first gear is meshed with one second gear; the outer edge of the friction wheel is made of sponge.
Preferably, the soldering device comprises a transverse moving assembly, a longitudinal moving assembly, a turnover assembly and a tin pool assembly; the longitudinal moving assembly is arranged on the transverse moving assembly, and the overturning assembly is arranged on the longitudinal moving assembly; the overturning assembly is used for clamping and overturning a workpiece, and the transverse moving assembly and the longitudinal moving assembly control the overturning assembly to move; the tin pool assembly is positioned below the transverse moving assembly; the overturning assembly overturns the workpiece clamped by the clamping assembly and enters the tin pool assembly, so that a layer of tin is welded on the end part of the workpiece.
Preferably, the traversing assembly comprises a fifth mounting seat, a transition plate, a sixth motor, a fourth slide rail and a third transmission belt; the transition plate is connected to the fifth mounting seat through a fourth sliding rail, the sixth motor is mounted on the fifth mounting seat, and the third transmission belt transmits the power of the sixth motor to the transition plate; the longitudinal moving assembly comprises a sixth mounting seat, a fourth transmission belt, a seventh motor and a first lead screw assembly; the sixth mounting seat is mounted on the transition plate, the seventh motor and the first lead screw assembly are mounted on the sixth mounting seat, and the fourth transmission belt transmits the power of the seventh motor to the first lead screw assembly to realize the lifting of the lead screw nut.
Preferably, the overturning assembly comprises a seventh mounting seat, an eighth motor, a fifth transmission belt, a rotating shaft plate, a fixed clamping jaw, a movable clamping jaw, a first spring, a first rack and a fourth cylinder 9; the rotating shaft plate is rotatably connected to the seventh mounting seat, the eighth motor is mounted on the seventh mounting seat, and the fifth transmission belt is connected with an output shaft of the eighth motor and the rotating shaft of the rotating shaft plate; the fixed clamping jaw is fixedly arranged on the rotating shaft plate, the middle part of the movable clamping jaw is rotationally connected to the fixed clamping jaw through a pin shaft, and the lower end of the movable clamping jaw is connected with the fixed clamping jaw through a pressed first spring, so that the clamping end parts of the fixed clamping jaw and the movable clamping jaw are closed; the first rack is provided with uniform convex blocks and is connected to the seventh mounting seat through a fourth cylinder 9; when the rotating shaft plate is vertical, the tail end of the movable clamping jaw corresponds to the position of the lug of the first rack.
Preferably, the tin pool assembly comprises an eighth mounting seat, a tin pool, an end inclined block, a waste residue collection box, a fifth transmission belt, a fifth sliding rail, a scraping plate, a guide strip, a fifth air cylinder 9, a pressing block and a roller; the tin pool is arranged in the eighth mounting seat and is internally provided with an electric heating wire, and molten tin is contained in the tin pool; the end inclined block is arranged at the end part of the tin pool, and two sides of the end inclined block are provided with oblique angles which are in a pointed shape; the waste residue collecting box is arranged on the eighth mounting seat, is connected with the end inclined block and is used for collecting an oxidation layer of the hung tin; the scraping plate is movably connected to the eighth mounting seat through a fifth sliding rail, and the fifth transmission belt is used for driving the guide seat of the fifth sliding rail to move back and forth; the scraping plate comprises a vertical section and a horizontal section, the lower end of the vertical section of the scraping plate is connected with the guide seat through a spring, and the horizontal section of the scraping plate is positioned in the tin pool; the roller is connected with the vertical section of the scraping plate, two guide strips are arranged at two ends of the tin pool, wherein the wedge opening of the guide strip close to the waste residue collecting box faces upwards, and the wedge opening of the guide strip at the other side faces downwards; the fifth cylinder 9 is vertically installed on the eighth installation seat, the pressing block is connected with the telescopic end installed on the fifth cylinder 9 and located right above the tin pool, and a sensor is arranged on the pressing block to detect the height of tin liquid in the tin pool.
An LED element is produced by the production method of the LED element.
By adopting the LED element and the production method thereof, the LED element feeding device is provided with the material tray, positions the material tray and then integrally clamps the material tray, so that the feeding efficiency and accuracy are improved; the cleaning device is provided with the liquid receiving groove strip to receive and take a certain amount of cleaning liquid, so that other parts of the LED element are prevented from being polluted during cleaning, and the LED element can be continuously sucked and wiped by the extruded sponge; the tin soldering device is provided with the scraping plate to remove the surface oxide layer, so that the quality of soldering tin is improved, the waste of tin liquid can be reduced in the process of scraping the oxide layer, and the efficiency is higher than that of spot welding by adopting a bath welding mode; the conveying device is provided with the normally closed clamping mechanism, so that the reliability is improved, the control is convenient, the service life of the mechanism is prolonged, the integral conveying is realized, and the conveying efficiency is improved; the flexible connection avoids impact and protects the workpiece; the circulating device improves the rigidity and the precision of the positioning mechanism during working by arranging the drag chain frame, the jig fixes the LED element through magnetic force, the structure is simple, the efficiency is higher, the cooling groove is additionally arranged, the cooling speed of the carrier is increased, the cooling of the workpiece is indirectly increased, and the welding surface forming and detection are convenient; the positioning component is arranged on the clamping component of the balance plate blanking device, so that the carrying precision is improved; the empty tray feeding, the tray placing and the full tray discharging work in order, and the work flow is optimized.
Drawings
Fig. 1 is a schematic diagram of an explosive structure according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an LED element.
Fig. 3 is an exploded view of the feeding device.
Fig. 4 is an exploded view of the cleaning apparatus.
Fig. 5 is an exploded view of the soldering apparatus.
FIG. 6 is an exploded view of the traversing assembly.
Fig. 7 is an exploded view of the flip assembly.
Fig. 8 is an exploded view of the handling device.
Fig. 9 is an exploded view of the circulation device.
Fig. 10 is an exploded view of the jig.
Fig. 11 is an exploded view of the wobble plate blanking device.
Fig. 12 is a schematic structural view of a product wobble plate assembly.
Detailed Description
As shown in fig. 1, an LED element and a method for producing the same include an LED element automatic production apparatus, which includes a frame 1, and an LED element feeding device 2, a cleaning device 3, a soldering device 4, a carrying device 5, a circulation device 6 and a swinging tray discharging device 7 mounted on the frame 1; the LED element feeding device 2 is used for feeding LED elements, and the cleaning device 3 is positioned below the LED element feeding device 2 and used for cleaning the elements before processing; the soldering tin device 4 is connected with the LED element feeding device 2 and is used for soldering the elements; the circulation device 6 is positioned at the side of the soldering device 4, the conveying device 5 is connected with the soldering device 4 and the circulation device 6, and the soldered LED elements are conveyed to the circulation device 6; the swinging plate blanking device 7 is connected with the circulating device 6, and the LED elements are subjected to swinging plate and blanking.
As shown in fig. 2, four corners of the bottom of the LED element 100 need to be soldered with tin layers 200 for connecting leads.
As shown in fig. 3, the LED component feeding device 2 includes a material rail assembly 21, a positioning assembly 22 and a removing assembly 23; the material rail assembly 21 is arranged below the moving assembly 23 and is used for conveying the material discs 300 for sequential feeding; the positioning component 22 is arranged on the material rail component 21 and used for positioning the material tray 300; the moving component 23 moves the positioned components in the tray 300 to realize feeding.
As shown in fig. 3, the material rail assembly 21 includes a first mounting seat 211, a conveying rail 212, a guide plate 213, a first motor 214, a first cylinder 215, a second motor 216, a limit strip 217, a sliding table 218, and a positioning seat 219; the conveying rail 212 is installed on the first installation base 211, the guide plate 213 is installed at the feeding end of the conveying rail 212, and the guide plate 213 guides the tray 300; the first motor 214 is arranged on the conveying rail 212 and drives the conveying belt of the conveying rail 212 to move; the first air cylinder 215 is arranged on the first mounting seat 211, the limiting strip 217 is arranged at the telescopic end of the first air cylinder 215, the limiting strip 217 is used for limiting feeding of a material tray, and a convex block is arranged on the upper end face of the limiting strip 217 and is located in the middle of the conveying rail 212; the sliding table 218 is mounted on the first mounting seat 211, the second motor 216 is used for driving the moving end of the sliding table 218, and the positioning seat 219 is mounted at the moving end of the sliding table 218; the feed end of the positioning seat 219 is provided with a tapered wedge-shaped opening, and the conveying rail 212 is positioned in the positioning seat 219. The positioning assembly 22 comprises a second cylinder 221, a lifting plate 222, a first slide rail 223 and a positioning column 224; the second cylinder 221 is fixedly arranged on the positioning seat 219, the lifting plate 222 is movably connected to the side of the positioning seat 219 through a first slide rail 223, and the positioning column 224 is fixedly arranged on the lower end face of the lifting plate 222; the number of the positioning columns 224 is two, and the two positioning columns are matched with the positions and the shapes of the positioning holes on the tray 300. The moving assembly 23 comprises a second mounting seat 231, a third motor 232, a transmission rod 233, a first belt transmission assembly 234, a traverse plate 235, a second slide rail 236, a first transmission belt 237, a third slide rail 238, a second transmission belt 239, a suction cup group 2310 and a fourth motor 2311; the traverse plate 235 is movably matched on the second mounting seat 231 through a second slide rail 236, and a first transmission belt 237 is connected with the transmission rod 233 and the traverse plate 235 to drive the traverse plate 235 to move back and forth; the transmission rod 233 is rotatably connected to the second mounting seat 231, the third motor 232 is mounted on the second mounting seat 231, and the first belt transmission assembly 234 is connected with a main shaft of the third motor 232 and the transmission rod 233; the suction cup group 2310 is movably matched on the traverse plate 235 through the third slide rail 238, and the lifting power of the suction cup group 2310 is transmitted by the second transmission belt 239.
When the LED element feeding device 2 works, a tray enters the conveying rail 212, the limiting strip 217 is lifted to limit the entering of a subsequent tray, the positioning assembly 22 works after the tray reaches the positioning seat 219 to position the tray, then the third motor 232 drives the suction cup group 2310 to transversely move, and the fourth motor 2311 drives the suction cup group 2310 to longitudinally move to integrally convey workpieces in the tray.
LED component loading attachment 2 has solved the not accurate, the inefficiency problem of LED component feeding, through being provided with the charging tray to fix a position the charging tray, then carry out the mode that whole clamp was got, improved the efficiency and the accuracy of material loading.
As shown in fig. 4, the cleaning device 3 includes a wetting component 31 and a wiping component 32, the wetting component 31 and the wiping component 32 are arranged side by side, the wetting component 31 wets the end face of the workpiece, and the wiping component 32 dries and cleans the workpiece; the wetting component 31 comprises a third mounting seat 311, a water tank 312, a third air cylinder 313, a connecting rod 314 and a liquid receiving tank bar 315; the water tank 312 is installed on the third installation base 311, the water tank 312 contains cleaning liquid, the third cylinder 313 is vertically installed on the third installation base 311, the liquid receiving tank bar 315 is installed on the telescopic end of the third cylinder 313 through the connecting rod 314, the liquid receiving tank bar 315 is located right above the water tank 312, a sinking tank is arranged in the middle of the liquid receiving tank bar 315, and a straight tank is arranged on the side of the liquid receiving tank bar and used for receiving and taking a certain amount of cleaning liquid; the wiping component 32 comprises a fourth mounting seat 321, a fifth motor 322, a first gear 323, a friction wheel 324, a second gear 325, a motor seat 326 and a mounting groove 327; the mounting groove 327 is fixedly arranged on the fourth mounting seat 321, the fifth motor 322 is mounted on the fourth mounting seat 321 through a motor seat 326, and the first gear 323 is mounted on an output shaft of the fifth motor 322; the second gear 325 is arranged on the friction wheel 324, the friction wheel 324 is rotationally connected to the mounting groove 327, the two second gears 325 are meshed, and the first gear 323 is meshed with one second gear 325; the outer edge of the friction wheel 324 is made of sponge.
When the cleaning device 3 works, the liquid receiving groove strip 315 receives a certain amount of cleaning liquid and then lifts, the end face of the workpiece sucked by the sucker group is immersed in the cleaning liquid to be wetted, then the workpiece is conveyed to the sponge on the friction wheels 324 to be contacted, the cleaning liquid on the end face of the workpiece is sucked and wiped clean when the two friction wheels 324 rotate, and the sucked liquid is squeezed by the squeezing of the two friction wheels 324.
As shown in fig. 5, the soldering device 4 includes a traverse assembly 41, a longitudinal movement assembly 42, a turnover assembly 43 and a tin pool assembly 44; the longitudinal moving assembly 42 is arranged on the transverse moving assembly 41, and the overturning assembly 43 is arranged on the longitudinal moving assembly 42; the overturning assembly 43 is used for clamping and overturning the workpiece, and the traverse assembly 41 and the longitudinal movement assembly 42 control the overturning assembly 43 to move; the tin plate assembly 44 is positioned below the traverse assembly 41; the turnover assembly 43 clamps the workpiece and turns the workpiece to enter the tin pool assembly 44, so that a layer of tin is welded on the end part of the workpiece.
As shown in fig. 6, the traverse assembly 41 includes a fifth mounting seat 411, a transition plate 412, a sixth motor 413, a fourth slide rail 414 and a third driving belt 415; the transition plate 412 is connected to the fifth mounting seat 411 through a fourth slide rail 414, the sixth motor 413 is mounted on the fifth mounting seat 411, and the third transmission belt 415 transmits the power of the sixth motor 413 to the transition plate 412; the longitudinal moving assembly 42 comprises a sixth mounting seat 421, a fourth transmission belt 422, a seventh motor 423 and a first lead screw assembly 424; the sixth mounting seat 421 is mounted on the transition plate 412, the seventh motor 423 and the first lead screw assembly 424 are mounted on the sixth mounting seat 421, and the fourth transmission belt 422 transmits the power of the seventh motor 423 to the first lead screw assembly 424, so that the lead screw nut is lifted.
As shown in fig. 7, the turnover assembly 43 includes a seventh mounting seat 431, an eighth motor 432, a fifth transmission belt 433, a rotating shaft plate 434, a fixed jaw 435, a movable jaw 436, a first spring 437, a first rack 438, and a fourth cylinder 439; the rotating shaft plate 434 is rotatably connected to the seventh mounting seat 431, the eighth motor 432 is mounted on the seventh mounting seat 431, and the fifth transmission belt 433 is connected with an output shaft of the eighth motor 432 and the rotating shaft of the rotating shaft plate 434; the fixed clamping jaw 435 is fixedly arranged on the rotating shaft plate 434, the middle part of the movable clamping jaw 436 is rotatably connected to the fixed clamping jaw 435 through a pin shaft, and the lower end of the movable clamping jaw 436 is connected with the fixed clamping jaw 435 through a pressed first spring 437, so that the clamping end parts of the fixed clamping jaw 435 and the movable clamping jaw 436 are closed; the first rack 438 is provided with uniform bumps, and the first rack 438 is connected to the seventh mounting seat 431 through a fourth cylinder 439; when the rotating shaft plate 434 is vertical, the end of the movable clamping jaw 436 corresponds to the position of the projection of the first rack 438; the tin bath component 44 comprises an eighth mounting seat 441, a tin bath 442, an end inclined block 443, a waste residue collection box 444, a fifth transmission belt 445, a fifth slide rail 446, a scraper plate 447, a guide strip 448, a fifth air cylinder 449, a pressing block 4410 and a roller 4411; the tin bath 442 is installed on the eighth installation seat 441, and heating wires are arranged in the tin bath 442, and molten tin is contained in the tin bath 442; the end inclined block 443 is installed at the end of the tin pool 442, and two sides of the end inclined block 443 are provided with bevels which are in a pointed shape; the waste residue collection box 444 is arranged on the eighth mounting seat 441, is connected with the end inclined block 443 and is used for collecting an oxidation layer of the hanging tin; the material scraping plate 447 is movably connected to the eighth mounting seat 441 through a fifth sliding rail 446, and the fifth transmission belt 445 is used for driving the guide seat 4461 of the fifth sliding rail 446 to move back and forth; the material scraping plate 447 comprises a vertical section and a horizontal section, the lower end of the vertical section of the material scraping plate 447 is connected with the guide seat 4461 through a spring, and the horizontal section of the material scraping plate 447 is positioned in the tin bath 442; the roller 4411 is connected with the vertical section of the scraping plate 447, two guide strips 448 are arranged at two ends of the tin pool 442, wherein the wedge opening of the guide strip 448 close to the waste residue collection box 444 faces upwards, and the wedge opening of the guide strip 448 at the other side faces downwards; the fifth cylinder 449 is vertically installed on the eighth mounting base 441, the pressing block 4410 is connected with the telescopic end installed on the fifth cylinder 449, the pressing block 4410 is located right above the tin pool 442, and the pressing block 4410 is provided with a sensor for detecting the height of the tin liquid in the tin pool 442.
When the soldering device 4 works, the sixth motor 413 drives the overturning component 43 to move horizontally, the longitudinal moving component 42 drives the overturning component 43 to move vertically, firstly, the eighth motor 432 enables the rotating shaft plate 434 to be vertical, the fourth cylinder 439 drives the first rack 438 to move, the movable clamping jaw 436 is opened, a workpiece is placed and clamped, then, the eighth motor 432 overturns the rotating shaft plate 434, the longitudinal moving component 42 enables the whole body to descend to enter the tin bath 442, before the workpiece enters the tin bath, the fifth transmission belt 445 drives the scraping plate 447 to move to the side of the waste residue collection box 444, a surface oxide layer in the tin bath is scraped to the waste residue collection box 444, when the scraping plate is close to the inclined block 443 on the end portion, the scraping plate 447 roller 4411 is in contact with the guide bar 448, so that the scraping plate 447 moves obliquely upwards and corresponds to the outline of the inclined block 443, and the tin oxide layer is hung down.
The problem of soldering tin device 4 solved LED component soldering tin unreliable, soldering tin difficulty is scraped flitch 447 through the setting and is gone out the surface oxide layer, improves the quality of soldering tin, and the process of striking off the oxide layer can reduce the waste of tin liquid, adopts the mode of bath welding, compares the efficiency of spot welding higher.
As shown in fig. 8, the carrying device 5 includes a ninth mounting base 51, a ninth motor 52, a sixth driving belt 53, a sixth sliding rail 54, a connecting flap 55, a tenth motor 56, a seventh driving belt 57, a mounting plate 58, a gripping mechanism 59, a fixing bar 510, a sixth air cylinder 511, and an unlocking bar 512; the ninth motor 52 is mounted on the ninth mounting base 51, the connection folding plate 55 is connected on the ninth mounting base 51 through the sixth slide rail 54, and the sixth transmission belt 53 is connected with the rotating shaft of the ninth motor 52 and the connection folding plate 55; the tenth motor 56 is arranged on the connecting folded plate 55, the mounting plate 58 is movably connected on the connecting folded plate 55, and the seventh transmission belt 57 is connected with the rotating shaft of the tenth motor 56 and the mounting plate 58; the clamping mechanism 59 is movably connected to the mounting plate 58, and the clamping mechanism 59 is connected with the fixed strip 510 through a spring; the clamping mechanism 59 comprises a fixed clamp 591, a spring top block 592, a swinging clamp 593, a second spring 594 and a third spring 595; the lower end of the fixed clamp 591 is provided with a clamping groove, the fixed clamp 591 is movably connected to the mounting plate 58 through a sliding rail, the middle of the swing clamp 593 is provided with a rotating shaft, the swing clamp 593 is connected with the fixed clamp 591 through the rotating shaft, and the lower end of the swing clamp 593 is provided with a clamping groove corresponding to the fixed clamp 591; the spring top block 592 is fixedly arranged on the fixed clamp 591, the spring top block 592 is located on the side of the swing clamp 593, one end of a third spring 595 is arranged in the spring top block 592, the other end of the third spring 595 is connected with the swing clamp 593, the third spring 595 is pressed, and the third spring 595 is located above the rotating shaft of the swing clamp 593; a second spring 594 is arranged above the fixing clip 591, and the other end of the second spring 594 is connected with the fixing strip 510, wherein the second spring 594 is compressed to flexibly connect the fixing clip 591 with the fixing strip 510; the sixth cylinder 511 is fixedly arranged on the mounting plate 58, the unlocking strip 512 is arranged on the telescopic end of the sixth cylinder 511, a convex block is arranged on the back side of the unlocking strip 512, and the convex block is positioned on the side of the upper end of the swing clamp 593.
When the carrying device 5 works, the ninth motor 52 moves transversely, the tenth motor 56 moves longitudinally, the clamping mechanism 59 is normally in a closed posture, when clamping is needed, the sixth air cylinder 511 drives the unlocking bar 512 to move, the upper end of the swing clamp 593 is pushed by a convex block of the unlocking bar 512, the swing clamp 593 rotates around the rotating shaft by a certain range, ports of the swing clamp 593 and the fixed clamp 591 are opened, and a workpiece enters the sixth air cylinder 511 to reset and clamp the workpiece, so that carrying is realized.
The carrying device 5 solves the problems of low clamping efficiency and insufficient reliability of the LED elements, and improves the reliability, is convenient to control, prolongs the service life of the mechanism, and improves the carrying efficiency by arranging the normally closed clamping mechanism 59; the flexible connection avoids impact and protects the workpiece.
As shown in fig. 9, the circulation device 6 includes a tenth mounting base 61, a tenth motor 62, an input spindle 63, a pulsator 64, a contact switch 65, a jig 66, a positioning mechanism 67, an upper drag chain frame 68, a lower drag chain frame 69, a cooling tank 610, a driven shaft 611, and a CCD detecting component 612; the tenth motor 62 is installed on the tenth installation seat 61, the input main shaft 63 is connected on the tenth installation seat 61, the input main shaft 63 and the driven shaft 611 are provided with conveying chain components, and the jig 66 is installed on a chain link on the conveying chain components; the impeller 64 is arranged on the input main shaft 63, grooves are uniformly distributed on the periphery of the impeller 64, the contact switch 65 is arranged on the tenth mounting base 61, and a convex column is connected to an elastic sheet of the contact switch 65 and corresponds to the grooves on the impeller 64; when the impeller 64 rotates by one groove, the jig 66 moves to the next station; the positioning mechanism 67 is fixedly arranged on the tenth mounting seat 61, and the positioning mechanism 67 is positioned above the jig 66 to position the jig 66; the upper drag chain frame 68 and the lower drag chain frame 69 are both fixedly arranged on the tenth mounting seat 61 and are used for supporting the conveying chain assembly and preventing the conveying chain assembly from being bent during positioning; the camera of the CCD detection assembly 612 is positioned above the jig 66, and the position of the camera can be adjusted; the cooling tank 610 is provided with cooling liquid and is positioned below the jig 66; the positioning mechanism 67 comprises an eleventh mounting seat 671, a positioning plate 672, a positioning nail 673 and a seventh air cylinder 674; the seventh cylinder 674 is fixedly arranged on the tenth mounting seat 61 through an eleventh mounting seat 671, the positioning plate 672 is arranged at the telescopic end of the seventh cylinder 674, and the positioning nail 673 is arranged at the lower end face of the positioning plate 672.
As shown in fig. 10, the jig 66 includes a connecting bar 661, a magnet base 662, a carrier 663, an axial positioning rod 664, a lateral positioning rod 665, a positioning sleeve 666 and a magnet 667; the positioning sleeves 666 are arranged at two ends of the connecting bar 661, the positioning sleeves 666 are matched with the positioning pins 673 of the positioning mechanism 67, the magnet base 662 is fixedly arranged on the connecting bar 661, the magnet 667 is arranged on the magnet base 662, the upper end surface of the carrier 663 is provided with a sinking groove, the shape of the sinking groove corresponds to the workpiece, and the position of the sinking groove corresponds to the position of the magnet 667; the carrier 663 is connected to the magnet base 662, the axial positioning rod 664 is in groove pair connection with the magnet base 662 and is matched in a round hole in the carrier 663, and the axial positioning rod 664 axially positions the carrier 663; side positioning rod 665 is connected to magnet holder 662, forms a groove pair connection with an end portion of stage 663, and positions stage 663 laterally.
When the circulation device 6 works, the tenth motor 62 drives the jig 66 to circulate step by step, when the circulation device stops, the positioning mechanism 67 positions the jig 66, one side of the jig is used for feeding, the other side of the jig is used for discharging, the CCD detection component 612 is used for detecting the welding quality of workpieces in the jig during the middle process, and the jig 66 is cooled through the cooling groove 610 below the jig 66 after being discharged.
The problem that LED component circulation precision is low has been solved to circulation device 6, through setting up the tow chain frame, improves the rigidity and the precision of positioning mechanism 67 during operation, and tool 66 passes through the fixed LED component of magnetic force, and simple structure is more high-efficient, adds the cooling bath for the refrigerated speed of carrier is accelerated, the indirect cooling of accelerating the work piece, the weld face shaping of being convenient for and detection.
As shown in fig. 11, the swinging tray blanking device 7 includes a tray feeding assembly 71, a product carrying assembly 72 and a product swinging tray assembly 73; the material tray feeding assembly 71 is positioned on the side of the product placing tray assembly 73 and is used for feeding empty material trays; the product carrying assembly 72 is positioned above the product placing plate assembly 73, and sucks and carries the products to a material tray in the product placing plate assembly 73; the tray feeding assembly 71 comprises a twelfth mounting seat 711, a feeding rail 712, a moving rail 713, an eighth cylinder 714 and a pushing block 715; the feeding rail 712 and the material moving rail 713 are both arranged on the twelfth mounting seat 711, the width of the feeding rail 712 is matched with that of the material tray, and the width of the material moving rail 713 is matched with that of the material tray; the eighth cylinder 714 is arranged on the twelfth mounting seat 711, the pushing block 715 is arranged on the telescopic end of the eighth cylinder 714, and the pushing block 715 is arranged at the end part of the material moving rail 713; the product carrying assembly 72 comprises three-degree-of-freedom linear motion and execution tail end suction, and the carrying mode is integral suction and one-by-one material discharge;
as shown in fig. 12, the product swing plate assembly 73 includes a thirteenth mounting seat 731, a second lead screw assembly 732, a lifting material receiving plate 733, a material discharging rail 734, a material pushing plate 735, a seventh slide rail 736, a ninth cylinder 737, a tenth cylinder 738, a positioning hole seat 739, and a clamping plate 7310; the second screw component 732 is vertically installed on the thirteenth installation seat 731, and the lifting material receiving plate 733 is installed on the telescopic end of the second screw component 732; the discharge rail 734 is installed on the lifting material receiving plate 733, the material tray is arranged in the discharge rail 734, the material pushing plate 735 is movably connected to the lifting material receiving plate 733 through a seventh slide rail 736, and the material pushing plate 735 is located in the discharge rail 734; the ninth cylinder 737 is installed on the lifting material receiving plate 733 and is used for driving the material pushing plate 735; the tenth cylinder 738 is installed on a vertical plate of the lifting material receiving plate 733, the clamping plate 7310 is installed on a telescopic end of the tenth cylinder 738, the positioning hole seat 739 is fixedly arranged at the top end of the clamping plate 7310, and the positioning hole seat 739 is provided with a positioning hole for positioning a suction cup of the product carrying assembly 72.
When the swinging tray blanking device 7 works, the second lead screw component 732 enables the height of the discharging rail 734 to be flush with that of the material moving rail 713, and then the eighth cylinder 714 extends to push out the material tray; the product swing disc assembly 73 is lifted after being connected with a material tray, then the tenth air cylinder 738 enables the clamping plate 7310 to descend to compress the material tray, the suction disc is firstly positioned on the positioning hole seat 739 before the product carrying assembly 72 is carried, the whole carrying is carried after the positioning is finished, and the ninth air cylinder 737 drives the material pushing plate 735 to move after the carrying is finished, so that the discharging is finished.
The balance blanking device 7 solves the problems of low blanking precision and complicated blanking process of the LED elements, and the positioning part is arranged on the clamping part, so that the carrying precision is improved; the empty tray feeding, the tray placing and the full tray discharging work in order, and the work flow is optimized.
When the automatic LED element production equipment works, the following steps are sequentially carried out:
firstly, a workpiece is fed into the equipment through an LED element feeding device 2, pretreatment before machining is carried out, and the end part of the LED element is cleaned through a cleaning device 3;
secondly, the LED elements are clamped by the tin soldering device 4, end soldering is carried out on the LED elements, and the LED elements are conveyed to the circulation device 6 through the conveying device 5 after the tin soldering is finished;
thirdly, carrying out appearance detection and welding quality detection on the workpiece subjected to the tin welding in the flow rotating device 6;
and (IV) after detection is finished, the finished product is subjected to disc swinging and blanking through a disc swinging and blanking device 7.
Claims (8)
1. A production method of an LED element is characterized by being sequentially completed through the following steps:
a feeding step: firstly, a workpiece is sent into a cleaning device (3) through an LED element feeding device (2);
a cleaning step: preprocessing before processing, and cleaning the end face of the LED element by a cleaning device (3); when the cleaning device (3) works specifically, the liquid receiving groove bar (315) receives and lifts a certain amount of cleaning liquid, the end face of a workpiece sucked by the sucker group is immersed in the cleaning liquid to be wetted, then the workpiece is conveyed to the friction wheels (324) to be contacted with sponge, the cleaning liquid on the end face of the workpiece is sucked and wiped clean when the two friction wheels (324) rotate, and the sucked liquid is squeezed by the squeezing of the two friction wheels (324);
soldering tin: then the soldering tin device (4) clamps the LED element and performs soldering tin on the end part of the LED element, and the LED element is conveyed to the circulation device (6) through the conveying device (5) after the soldering tin is finished; when the soldering tin device (4) works specifically, a sixth motor (413) drives the overturning component (43) to move horizontally, a longitudinal moving component (42) drives the overturning component (43) to move vertically, firstly, an eighth motor (432) enables a rotating shaft plate (434) to be vertical, a fourth air cylinder (439) drives a first rack (438) to move, a movable clamping jaw (436) is opened, a workpiece is clamped after being placed in the rotating shaft plate, then, the eighth motor (432) enables the rotating shaft plate (434) to overturn, the longitudinal moving component (42) enables the whole body to descend to enter a tin pool (442), before entering the tin pool, a fifth transmission belt (445) drives a scraping plate (447) to move to the side of a waste residue collection box (444), a surface oxidation layer in the tin pool is scraped to the waste residue collection box (444), when the scraping plate (447) is connected with an inclined block (443) on the near end part, rollers (4411) of the scraping plate (447) are in contact with guide strips (448), thereby the scraping plate (447) moves upwards in an inclined way and corresponds to the outline of the inclined block (443) to hang down the tin oxide layer;
a detection step: carrying out appearance detection and welding quality detection on the workpiece subjected to the tin welding in the circulation device (6); when the circulation device (6) works specifically, the tenth motor (62) drives the jig (66) to circulate step by step, when the circulation device stops working, the positioning mechanism (67) positions the jig (66), one side of the jig is used for feeding, the other side of the jig is used for discharging, the CCD detection assembly (612) is used for detecting the welding quality of workpieces in the jig in the middle process, and the jig (66) is cleaned below through the washing tank (610) after being discharged;
blanking: and after detection is finished, the finished product is subjected to disc swinging and blanking through a disc swinging and blanking device (7).
2. The production equipment of the LED element is characterized by comprising a rack (1), and an LED element feeding device (2), a cleaning device (3), a soldering tin device (4), a carrying device (5), a circulating device (6) and a swinging disc blanking device (7) which are arranged on the rack (1); the cleaning device (3) is positioned below the LED element feeding device (2); the soldering tin device (4) is connected with the LED element feeding device (2); the circulation device (6) is positioned at the side of the soldering tin device (4), and the conveying device (5) is connected with the soldering tin device (4) and the circulation device (6); the swinging disc blanking device (7) is connected with the circulating device (6);
the cleaning device (3) comprises a wetting component (31) and a wiping component (32), the wetting component (31) and the wiping component (32) are arranged side by side, the wetting component (31) wets the end face of the workpiece, and the wiping component (32) wipes and cleans the workpiece;
the wetting component (31) comprises a third mounting seat (311), a water tank (312), a third air cylinder (313), a connecting rod (314) and a liquid receiving tank bar (315); basin (312) are installed on third mount pad (311), contain the washing liquid in basin (312), and third cylinder (313) are vertical to be installed on third mount pad (311), connect liquid groove strip (315) to install on the flexible end of third cylinder (313) through connecting rod (314), connect liquid groove strip (315) to be located basin (312) directly over, connect liquid groove strip (315) middle part to open there is heavy groove, and the side is opened there is the straight flute for connect and get quantitative washing liquid.
3. A production apparatus of LED element according to claim 2, wherein said wiping member (32) comprises a fourth mounting seat (321), a fifth motor (322), a first gear (323), a friction wheel (324), a second gear (325), a motor seat (326) and a mounting groove (327); the mounting groove (327) is fixedly arranged on the fourth mounting seat (321), the fifth motor (322) is mounted on the fourth mounting seat (321) through a motor seat (326), and the first gear (323) is mounted on an output shaft of the fifth motor (322); the second gears (325) are arranged on the friction wheel (324), the friction wheel (324) is rotationally connected to the mounting groove (327), the two second gears (325) are meshed, and the first gear (323) is meshed with one second gear (325); the outer edge of the friction wheel (324) is made of sponge.
4. An apparatus for producing an LED element as claimed in claim 2, wherein said soldering device (4) comprises a traverse unit (41), a traverse unit (42), a flip unit (43) and a solder bath unit (44); the longitudinal moving assembly (42) is arranged on the transverse moving assembly (41), and the overturning assembly (43) is arranged on the longitudinal moving assembly (42); the overturning assembly (43) is used for clamping and overturning the workpiece, and the transverse moving assembly (41) and the longitudinal moving assembly (42) control the overturning assembly (43) to move; the tin pool assembly (44) is positioned below the traverse assembly (41); the overturning assembly (43) clamps the workpiece and then overturns the workpiece into the tin pool assembly (44) so that a layer of tin is welded on the end part of the workpiece.
5. The apparatus for producing an LED element as claimed in claim 4, wherein the traverse assembly (41) comprises a fifth mounting seat (411), a transition plate (412), a sixth motor (413), a fourth slide rail (414) and a third driving belt (415); the transition plate (412) is connected to the fifth mounting seat (411) through a fourth sliding rail (414), the sixth motor (413) is mounted on the fifth mounting seat (411), and the third transmission belt (415) transmits the power of the sixth motor (413) to the transition plate (412); the longitudinal moving assembly (42) comprises a sixth mounting seat (421), a fourth transmission belt (422), a seventh motor (423) and a first lead screw assembly (424); the sixth mounting seat (421) is mounted on the transition plate (412), the seventh motor (423) and the first lead screw assembly (424) are mounted on the sixth mounting seat (421), and the fourth transmission belt (422) transmits the power of the seventh motor (423) to the first lead screw assembly (424), so that the lifting of the lead screw nut is realized.
6. The apparatus for producing an LED element according to claim 4, wherein the flip assembly (43) comprises a seventh mounting base (431), an eighth motor (432), a fifth driving belt (433), a rotating shaft plate (434), a fixed jaw (435), a movable jaw (436), a first spring (437), a first rack (438) and a fourth cylinder (439); the rotating shaft plate (434) is rotatably connected to the seventh mounting seat (431), the eighth motor (432) is mounted on the seventh mounting seat (431), and the fifth transmission belt (433) is connected with an output shaft of the eighth motor (432) and a rotating shaft of the rotating shaft plate (434); the fixed clamping jaw (435) is fixedly arranged on the rotating shaft plate (434), the middle part of the movable clamping jaw (436) is rotatably connected to the fixed clamping jaw (435) through a pin shaft, and the lower end of the movable clamping jaw (436) is connected with the fixed clamping jaw (435) through a pressed first spring (437), so that the clamping end parts of the fixed clamping jaw (435) and the movable clamping jaw (436) are closed; the first rack (438) is provided with uniform bumps, and the first rack (438) is connected to the seventh mounting seat (431) through a fourth cylinder (439); when the rotating shaft plate (434) is vertical, the tail end of the movable clamping jaw (436) corresponds to the position of the lug of the first rack (438).
7. The apparatus for producing an LED element according to claim 4, wherein the tin bath assembly (44) comprises an eighth mounting seat (441), a tin bath (442), an end inclined block (443), a waste residue collection box (444), a fifth transmission belt (445), a fifth slide rail (446), a scraper plate (447), a guide bar (448), a fifth cylinder (449), a press block (4410) and a roller (4411); the tin pool (442) is arranged in the eighth mounting seat (441), the tin pool (442) is internally provided with an electric heating wire, and molten tin is arranged in the tin pool (442); the end inclined block (443) is installed at the end of the tin pool (442), and two sides of the end inclined block (443) are provided with oblique angles to form a pointed shape; the waste residue collection box (444) is arranged on the eighth mounting seat (441), is connected with the end inclined block (443), and is used for collecting an oxidation layer of the hung tin; the scraping plate (447) is movably connected to the eighth mounting seat (441) through a fifth sliding rail (446), and the fifth transmission belt (445) is used for driving the guide seat (4461) of the fifth sliding rail (446) to move back and forth; the scraping plate (447) comprises a vertical section and a horizontal section, the lower end of the vertical section of the scraping plate (447) is connected with the guide seat (4461) through a spring, and the horizontal section of the scraping plate (447) is positioned in the tin pool (442); the roller (4411) is connected to the vertical section of the scraping plate (447), two guide strips (448) are arranged at two ends of the tin pool (442), wherein the wedge opening of the guide strip (448) close to the waste residue collection box (444) faces upwards, and the wedge opening of the guide strip (448) at the other side faces downwards; the fifth cylinder (449) is vertically installed on the eighth installation seat (441), the pressing block (4410) is connected with the telescopic end installed on the fifth cylinder (449), the pressing block (4410) is positioned right above the tin pool (442), and the pressing block (4410) is provided with a sensor for detecting the height of the tin liquid in the tin pool (442).
8. An LED element produced by the method for producing an LED element according to claim 1.
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| CN110648955B (en) * | 2019-08-28 | 2021-12-28 | 日照鲁光电子科技有限公司 | Production equipment and production method of crystal diode |
| CN112599432B (en) * | 2020-12-16 | 2022-04-01 | 无锡英诺赛思科技有限公司 | Eutectic welding equipment and eutectic welding method for chip |
| CN112676207B (en) * | 2020-12-17 | 2021-12-03 | 广州市华锐博特科技有限公司 | Full-face mobile phone cleaning robot |
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Address after: 322001 No.1, building 9, Beiyuan business district, Yiwu City, Jinhua City, Zhejiang Province Applicant after: Lou Xianhua Address before: 322006 No. 12-06, 300 Sitong East Road, Shangxi Town, Yiwu, Jinhua City, Zhejiang Province Applicant before: Lou Xianhua |
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Effective date of registration: 20220429 Address after: 518000 q4s009, floor 4, blocks B, C and D, Huaqiang Plaza, No. 1019, Huaqiang North Road, Huahang community, Huaqiang North Street, Futian District, Shenzhen, Guangdong Patentee after: Shenzhen Fanzi Industrial Co.,Ltd. Address before: 322001 No. 1, building 9, Beiyuan business district, Yiwu City, Jinhua City, Zhejiang Province Patentee before: Lou Xianhua |