CN112467011B - Intelligent assembly production line for LED (light emitting diode) packaging - Google Patents
Intelligent assembly production line for LED (light emitting diode) packaging Download PDFInfo
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- CN112467011B CN112467011B CN202011367929.XA CN202011367929A CN112467011B CN 112467011 B CN112467011 B CN 112467011B CN 202011367929 A CN202011367929 A CN 202011367929A CN 112467011 B CN112467011 B CN 112467011B
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 92
- 238000003466 welding Methods 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 30
- 238000002347 injection Methods 0.000 claims description 27
- 239000007924 injection Substances 0.000 claims description 27
- 239000007921 spray Substances 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
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- 230000002950 deficient Effects 0.000 abstract description 6
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- 238000005286 illumination Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
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- 230000002035 prolonged effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000218202 Coptis Species 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/54—Encapsulations having a particular shape
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
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Abstract
The invention relates to the technical field of LED packaging, in particular to an intelligent LED packaging assembly line which comprises a workbench, wherein a rotating shaft is arranged in the middle of the workbench, a stepping rotating turntable is fixedly arranged on the rotating shaft above the workbench, a plurality of placing grooves for placing LED lamps are uniformly distributed on the turntable along the periphery of the turntable, and the lower end of the rotating shaft penetrates through the workbench and is in transmission connection with a motor; a feeding conveyer belt extending to the front side of the turntable is arranged in front of the workbench; the assembly line type assembly of the LED lamp is realized through the arrangement of the rotary table, multiple operations such as workpiece feeding, defective product elimination, welding, glue pouring and discharging are realized, the manual assembly mode is compared, the production efficiency is greatly improved, the labor cost is reduced, the accurate assembly can be realized, the consistency is good, the loss is small, the repair rate is reduced, and the quality of the LED lamp is guaranteed.
Description
Technical Field
The invention relates to the technical field of LED packaging, in particular to an intelligent LED packaging assembly line.
Background
Under the background that the concern of global energy shortage rises again at present, energy conservation is an important problem facing the future, in the field of illumination, the application of LED luminous products is attracting the eyes of people, LED as a novel green light source product is inevitably a trend of future development, and the twenty-first century will enter a novel illumination light source era represented by LED. The LED is called as a fourth generation illumination light source or a green light source, has the characteristics of energy conservation, environmental protection, long service life, small volume and the like, and can be widely applied to the fields of various indications, display, decoration, backlight sources, common illumination, urban night scenes and the like. Some economically developed countries around the world have a vigorous technological competition around the development of LEDs.
At present, LED lamps are more and more widely used and more in demand, the LED lamps produced in China are assembled manually, welded, glued and pressed into a production line type assembly, the assembly is taken down manually after the processing is finished, and qualified products are placed into a production line conveying belt through visual inspection to be conveyed to the next process. The method adopting manual processing has the following disadvantages: firstly, the production efficiency is low, and the labor cost is high. Secondly, manual assembly is adopted, the consistency is poor, the loss is large, the repair rate is high, and the quality is difficult to guarantee.
The LED packaging intelligent assembly production line is designed, assembly line type assembly of LED lamps is achieved through the arrangement of the rotary table, multiple operations of workpiece feeding, defective product elimination, welding, glue pouring, discharging and the like are achieved, compared with a manual assembly mode, production efficiency is greatly improved, labor cost is reduced, accurate assembly can be achieved, consistency is good, loss is small, repair rate is reduced, and quality of the LED lamps is guaranteed.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems of low production efficiency and higher labor cost caused by the fact that the conventional LED lamp is generally assembled by hand, the invention provides the LED packaging intelligent assembly production line.
The technical scheme adopted by the invention for solving the technical problems is as follows: an intelligent LED packaging assembly line comprises a workbench, wherein a rotating shaft is arranged in the middle of the workbench, a stepping rotating turntable is fixedly arranged on the rotating shaft above the workbench, a plurality of placing grooves for placing LED lamps are uniformly distributed on the turntable along the periphery of the turntable, and the lower end of the rotating shaft penetrates through the workbench to be in transmission connection with a motor; a feeding conveying belt extending to the front side of the rotary table is arranged in front of the workbench, a first manipulator is fixedly arranged on the workbench on one side of the feeding conveying belt, and the first manipulator can transfer the LED lamps on the feeding conveying belt into corresponding placing grooves; a second manipulator, a mounting frame, an ultrasonic welding line device, a glue pouring device and a fourth manipulator are sequentially and fixedly arranged on the workbench on the periphery of the turntable along the anticlockwise direction from the first manipulator, and the fourth manipulator can transfer the LED lamp of the placement groove onto a discharge conveying belt; the distance between the second manipulator, the mounting frame, the ultrasonic welding line device, the glue pouring device and the fourth manipulator is N times of the stepping rotation distance of the rotary table, wherein N is an integer greater than or equal to 1; an industrial camera facing the placing groove is arranged on the second manipulator, and an output signal of the industrial camera can be used as an input signal of an external online detection system and is used for detecting and finding unqualified workpieces and rejecting the unqualified workpieces through the second manipulator; and the mounting frame is provided with an infrared sensor which is just opposite to the placing groove.
When in use, a plurality of workpieces are input to the front side of the turntable through the feeding conveyer belt, then one workpiece closest to the turntable is transferred into the corresponding placing groove through the first mechanical claw, the motor is started to drive the turntable to move one station to enable the workpiece to come below the second mechanical hand, the pictures of the workpieces are collected through the industrial camera which is right opposite to the placing groove, then the signal is converted into a digital signal to be output, the output signal can be used as an input signal of an external on-line detection system to be compared with qualified workpieces in a database, when unqualified workpieces are found, the unqualified workpieces can be removed in time through the second manipulator, the qualified workpieces can continue to move to the mounting rack along with the rotation of the turntable, the infrared sensor sends a signal after the workpieces reach a certain position to stop the rotation of the motor, the motor can continue to rotate after delaying for a period of time, so that the stepping rotation of the turntable is realized; then moving the workpiece to the lower part of the ultrasonic welding line device, and directly welding and connecting the anode and the cathode of the workpiece by using money; the workpiece after gold wire welding moves to the position below the glue filling device, glue filling operation is carried out on the workpiece through the glue filling device, the workpiece after glue filling continues to move to the position of the fourth mechanical arm and is transferred to the discharging conveying belt through the fourth mechanical arm, the workpiece is conveyed to the position of subsequent processing equipment through the discharging conveying belt, and therefore assembly line type assembly of the LED lamp is achieved through the turntable, multiple operations of workpiece feeding, defective goods removing, welding, glue filling, discharging and the like are achieved, compared with a manual assembly mode, production efficiency is greatly improved, labor cost is reduced, accurate assembly can be achieved, consistency is good, loss is small, repair rate is reduced, and quality of the LED lamp is guaranteed.
Preferably, a third mechanical arm is arranged on the workbench between the second mechanical arm and the mounting frame, and a plasma cleaning device matched with the placing groove in position is arranged on the third mechanical arm. Through the setting of plasma cleaning device, can get rid of the oxide on work piece surface through the positive and negative ion that plasma cleaning machine produced under vacuum state, can improve the effect of follow-up welding and encapsulating.
Preferably, the glue filling device comprises a hollow glue barrel, a spray head with a spray hole is arranged at the lower end of the glue barrel, the inner cavity of the glue barrel is communicated with the spray hole through a communication passage, and the spray head is positioned right above the placing groove; and a glue inlet pipe communicated with an external glue supply device is arranged on the side wall of the lower part of the glue barrel. Through the setting of intercommunication passageway, outside supplies gluey equipment to advance the pipe through glue and lets in glue in to gluing the bucket, glue can be again through the even blowout of intercommunication passageway from the jet orifice, and then carry out the encapsulating operation to the work piece of its below, because the position of encapsulating device and the orientation of shower nozzle are fixed unchangeable, consequently under the unchangeable condition of the marching range of carousel, every work piece of treating the encapsulating also is unchangeable with the relative position of encapsulating device, and then can realize the serialization encapsulating of work piece, guarantee the encapsulating quality.
Preferably, a sealing ball for plugging the jet hole is arranged at the lower end of the communication channel, a baffle ring is fixedly arranged in the communication channel, and a first spring is arranged between the baffle ring and the sealing ball; the middle part of the inner cavity of the rubber barrel is fixedly provided with a fixed block, the fixed block divides the inner cavity of the rubber barrel into an upper cavity and a lower cavity, and the glue inlet pipe is communicated with the lower cavity; a piston is arranged in the upper cavity, and an air inlet pipe communicated with external air supply equipment is communicated with the side wall of the rubber barrel on one side below the piston; be provided with in the fixed block and connect the chamber, the piston extends to connect the intracavity through the second connecting rod and is connected with second magnet, the fixed first connecting rod that is provided with in ball sealer upper end, first connecting rod upwards extends to and connects the intracavity and be connected with first magnet, first magnet is opposite with the magnetism of second magnet. Through the arrangement of the air inlet pipe, air can be introduced into the upper cavity through the air inlet pipe, so that the piston moves upwards, the piston drives the second magnet to move upwards through the second connecting rod, and due to the fact that the magnetism of the first magnet is opposite to that of the second magnet, the first magnet and the second magnet attract each other and enable the first connecting rod to move upwards, the elastic force of the first spring is overcome to drive the sealing ball to move upwards, the jet hole is opened, glue filling of the spray head is achieved, and after the pressure of the air inlet pipe is relieved, the first spring can seal the jet hole, the problems that glue drips in the rotating disc stepping process and pollutes the rotating disc can be avoided, the waste of the glue can be avoided, and; through the setting of fixed block and connection chamber, can be totally isolated epicoele and cavity of resorption, avoid the gas of epicoele to get into the problem that leads to containing the bubble in the glue in the cavity of resorption, and then guaranteed the quality of encapsulating.
Preferably, a horizontally arranged sealing flexible membrane is arranged in the connecting cavity, and the first magnet and the second magnet are respectively arranged on the upper side and the lower side of the sealing flexible membrane. Because a small amount of gas of epicoele still can get into the intercommunication chamber through the clearance between second connecting rod and the fixed block, and then the outer clearance of vertical first connecting rod gets into the cavity of resorption, consequently through the setting of sealed flexible membrane, the gas that can the separation epicoele moves to the cavity of resorption, and sealed flexible membrane itself can warp simultaneously, and then can not influence reciprocating of first magnet and second magnet, consequently can not influence the switch of jet orifice.
Preferably, a second spring is disposed between the piston and the fixed block, the second spring being in a compressed state when the injection hole is closed, and the second spring being in a stretched state when the injection hole is fully opened. Through the setting of second spring, the second spring is in tensile state when the jet orifice is opened completely, the ball sealer receives first spring and the decurrent pressure of second spring this moment, consequently can close the jet orifice with very fast speed, make the jet orifice in time close after accomplishing the encapsulating, the problem that the glue drips has further been reduced, in addition because be in compression state when the jet orifice is close soon, the second spring is ascending pulling force to the ball sealer this moment, and then offset the decurrent pressure of partial first spring, then reduced the ball sealer and stopped up the condition when the jet orifice, avoid the too big impact force that leads to the impact force to damage, service life is prolonged, also can avoid the sealing washer bounce-back to lead to the secondary to open the jet orifice simultaneously, cause the problem that glue drips once more.
The invention has the following beneficial effects:
1. according to the LED packaging intelligent assembly production line, assembly line type assembly of LED lamps is achieved through the arrangement of the rotary table, multiple operations of workpiece feeding, defective product elimination, welding, glue pouring, discharging and the like are achieved, compared with a manual assembly mode, production efficiency is greatly improved, labor cost is reduced, accurate assembly can be achieved, consistency is good, loss is small, repair rate is reduced, and quality of the LED lamps is guaranteed.
2. According to the LED packaging intelligent assembly production line, the upper cavity and the lower cavity can be isolated by the arrangement of the fixing block and the connecting cavity, the problem that air bubbles are contained in glue water due to the fact that gas in the upper cavity enters the lower cavity is avoided, and the glue filling quality is further guaranteed.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the glue-pouring device of the present invention;
in the figure:
1. a work table; 2. a rotating shaft; 3. a turntable; 4. a placement groove; 5. an LED lamp; 6. a feed conveyor belt; 7. a first manipulator; 8. a second manipulator; 9. an industrial camera; 10. a third manipulator; 11. a plasma cleaning device; 12. a mounting frame; 13. an infrared sensor; 14. an ultrasonic bonding wire device; 15. a glue pouring device; 16. a fourth manipulator; 17. a discharge conveyer belt; 18. a fixed block; 19. a lower cavity; 20. an upper chamber; 21. feeding glue into the pipe; 22. a spray head; 23. a communication channel; 24. An injection hole; 25. a sealing ball; 26. a first spring; 27. a first link; 28. a first magnet; 29. a connecting cavity; 30. A second magnet; 31. sealing the flexible film; 32. a second link; 33. a piston; 34. an air inlet pipe; 35. a second spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 2, an intelligent assembly line for LED packaging comprises a workbench 1, wherein a rotating shaft 2 is arranged in the middle of the workbench 1, a rotating disc 3 rotating in a stepping manner is fixedly arranged on the rotating shaft 2 above the workbench 1, a plurality of placing grooves 4 for placing LED lamps 5 are uniformly distributed on the rotating disc 3 along the periphery thereof, and the lower end of the rotating shaft 2 penetrates through the workbench 1 and is in transmission connection with a motor; a feeding conveyer belt 6 extending to the front side of the rotary table 3 is arranged in front of the workbench 1, a first manipulator 7 is fixedly arranged on the workbench 1 at one side of the feeding conveyer belt 6, and the first manipulator 7 can transfer the LED lamps 5 on the feeding conveyer belt 6 into the corresponding placing grooves 4; a second manipulator 8, a mounting frame 12, an ultrasonic welding device 14, a glue pouring device 15 and a fourth manipulator 16 are sequentially and fixedly arranged on the workbench 1 on the periphery of the turntable 3 along the anticlockwise direction from the first manipulator 7, and the fourth manipulator 16 can transfer the LED lamps 5 of the placing groove 4 onto a discharging conveyer belt 17; the distance between the second manipulator 8, the mounting frame 12, the ultrasonic welding line device 14, the glue pouring device 15 and the fourth manipulator 16 is N times of the stepping rotation distance of the turntable 3, wherein N is an integer greater than or equal to 1; an industrial camera 9 facing the placing groove 4 is arranged on the second manipulator 8, and an output signal of the industrial camera 9 can be used as an input signal of an external online detection system and is used for detecting and finding unqualified workpieces and rejecting the unqualified workpieces through the second manipulator 8; the mounting frame 12 is provided with an infrared sensor 13 facing the placing groove 4.
When the device is used, a plurality of workpieces are input to the front side of the rotary table 3 through the feeding conveyer belt 6, then one workpiece closest to the rotary table 3 is transferred into the corresponding placing groove 4 through the first mechanical claw, the motor is started to drive the rotary table 3 to move one station so that the workpiece comes to the lower part of the second mechanical arm 8, the image of the workpiece is collected through the industrial camera 9 which is right opposite to the placing groove 4 and then is converted into a digital signal to be output, the output signal can be used as an input signal of an external online detection system to be compared with the qualified workpiece in the database, when the unqualified workpiece is found, the unqualified workpiece can be removed in time through the second mechanical arm 8, the qualified workpiece can continuously move to the mounting frame 12 along with the rotation of the rotary table 3, the infrared sensor 13 sends a message after the workpiece reaches a certain position so as to stop the motor, and the motor can continuously rotate after a, thereby realizing the stepping rotation of the turntable 3; then the workpiece is moved to the lower part of the ultrasonic welding line device 14, and the anode and the cathode of the workpiece are directly welded and connected by using money; the workpiece after gold wire welding moves to the position below the glue filling device 15, glue filling operation is carried out on the workpiece through the glue filling device 15, the workpiece after glue filling continuously moves to the position of the fourth mechanical arm 16 and is transferred to the discharging conveyer belt 17 through the fourth mechanical arm 16, the workpiece is conveyed to the subsequent processing equipment through the discharging conveyer belt 17, therefore, assembly line type assembly of the LED lamp 5 is achieved through the turntable 3, multiple operations of workpiece feeding, defective product elimination, welding, glue filling, discharging and the like are achieved, compared with a manual assembly mode, production efficiency is greatly improved, labor cost is reduced, accurate assembly can be achieved, the consistency is good, loss is small, repair rate is reduced, and quality of the LED lamp 5 is guaranteed.
In one embodiment of the present invention, a third robot 10 is provided on the table 1 between the second robot 8 and the mounting frame 12, and a plasma cleaning device 11 is provided on the third robot 10 so as to be positioned in accordance with the position of the placing tank 4. Through the arrangement of the plasma cleaning device 11, the oxide on the surface of the workpiece can be removed through positive and negative ions generated by the plasma cleaning machine in a vacuum state, and the subsequent welding and glue pouring effects can be improved.
As an embodiment of the present invention, the glue filling device 15 includes a hollow glue barrel, a spray head 22 with a spray hole 24 is arranged at the lower end of the glue barrel, the inner cavity of the glue barrel is communicated with the spray hole 24 through a communication channel 23, and the spray head 22 is located right above the placing groove 4; and a glue inlet pipe 21 communicated with an external glue supply device is arranged on the side wall of the lower part of the glue barrel. Through the setting of intercommunication passageway 23, outside supplies gluey equipment to advance pipe 21 through glue and lets in glue in to gluing the bucket, glue can be again through the even blowout of intercommunication passageway 23 from jet orifice 24, and then carry out the encapsulating operation to the work piece of its below, because encapsulating device 15's position and shower nozzle 22's orientation are fixed unchangeable, consequently under the unchangeable condition of the marching range of carousel 3, every work piece of treating the encapsulating also is unchangeable with encapsulating device 15's relative position, and then can realize the serialization encapsulating of work piece, guarantee the encapsulating quality.
As an embodiment of the present invention, a sealing ball 25 for blocking the injection hole 24 is disposed at the lower end of the communication channel 23, a stopper ring is fixedly disposed in the communication channel 23, and a first spring 26 is disposed between the stopper ring and the sealing ball 25; a fixed block 18 is fixedly arranged in the middle of the inner cavity of the rubber barrel, the fixed block 18 divides the inner cavity of the rubber barrel into an upper cavity 20 and a lower cavity 19, and the glue inlet pipe 21 is communicated with the lower cavity 19; a piston 33 is arranged in the upper cavity 20, and an air inlet pipe 34 communicated with external air supply equipment is communicated with the side wall of the rubber barrel on one side below the piston 33; be provided with in the fixed block 18 and connect the chamber 29, piston 33 extends to and is connected with second magnet 30 in connecting the chamber 29 through second connecting rod 32, the fixed first connecting rod 27 that is provided with in ball sealer 25 upper end, first connecting rod 27 upwards extends to and is connected with first magnet 28 in connecting the chamber 29, first magnet 28 is opposite with the magnetism of second magnet 30. Through the arrangement of the air inlet pipe 34, air can be introduced into the upper cavity 20 through the air inlet pipe 34, so that the piston 33 moves upwards, the piston 33 drives the second magnet 30 to move upwards through the second connecting rod 32, and because the magnetism of the first magnet 28 is opposite to that of the second magnet 30, the first magnet 28 and the second magnet 30 attract each other and enable the first connecting rod 27 to move upwards, so that the problem that the sealing ball 25 is driven to move upwards by the elasticity of the first spring 26 is overcome, the injection hole 24 is opened, the glue filling of the spray head 22 is realized, and after the air inlet pipe 34 is decompressed, the first spring 26 can enable the injection hole 24 to be blocked, so that the problems that the glue drips and pollutes the rotary table 3 in the stepping process of the rotary table 3 can be avoided, the waste of the glue can be avoided; through the arrangement of the fixing block 18 and the connecting cavity 29, the upper cavity 20 and the lower cavity 19 can be isolated, the problem that air bubbles are contained in glue due to the fact that air in the upper cavity 20 enters the lower cavity 19 is avoided, and the glue filling quality is further guaranteed.
In one embodiment of the present invention, a sealing flexible film 31 is horizontally disposed in the connection cavity 29, and the first magnet 28 and the second magnet 30 are respectively disposed on upper and lower sides of the sealing flexible film 31. Because a small amount of gas in the upper chamber 20 still enters the communicating chamber through the gap between the second connecting rod 32 and the fixing block 18, and then the gap outside the vertical first connecting rod 27 enters the lower chamber 19, the gas in the upper chamber 20 can be blocked from moving to the lower chamber 19 through the arrangement of the sealing flexible film 31, and meanwhile, the sealing flexible film 31 can be deformed, so that the up-and-down movement of the first magnet 28 and the second magnet 30 cannot be influenced, and the opening and closing of the injection hole 24 cannot be influenced.
As an embodiment of the present invention, a second spring 35 is disposed between the piston 33 and the fixed block 18, the second spring 35 is in a compressed state when the injection hole 24 is closed, and the second spring 35 is in a stretched state when the injection hole 24 is fully opened. Through the setting of second spring 35, second spring 35 is in tensile state when injection hole 24 is opened completely, sealing ball 25 receives first spring 26 and the decurrent pressure of second spring 35 this moment, consequently, can close injection hole 24 with faster speed, make injection hole 24 in time close after accomplishing the encapsulating, the problem that glue drips has further been reduced, in addition because be in compression state when injection hole 24 is closing soon, second spring 35 is ascending pulling force to sealing ball 25 this moment, and then offset the decurrent pressure of part first spring 26, the impact force when sealing ball 25 blocks up injection hole 24 has then been reduced, avoid the too big circumstances that leads to the damage of impact force, and service life is prolonged, also can avoid the sealing washer bounce-back to lead to the secondary to opening injection hole 24 simultaneously, cause the problem that glue drips once more.
When the device is used, a plurality of workpieces are input to the front side of the rotary table 3 through the feeding conveyer belt 6, then one workpiece closest to the rotary table 3 is transferred into the corresponding placing groove 4 through the first mechanical claw, the motor is started to drive the rotary table 3 to move one station so that the workpiece comes to the lower part of the second mechanical arm 8, the image of the workpiece is collected through the industrial camera 9 which is right opposite to the placing groove 4 and then is converted into a digital signal to be output, the output signal can be used as an input signal of an external online detection system to be compared with the qualified workpiece in the database, when the unqualified workpiece is found, the unqualified workpiece can be removed in time through the second mechanical arm 8, the qualified workpiece can continuously move to the mounting frame 12 along with the rotation of the rotary table 3, the infrared sensor 13 sends a message after the workpiece reaches a certain position so as to stop the motor, and the motor can continuously rotate after a, thereby realizing the stepping rotation of the turntable 3; then the workpiece is moved to the lower part of the ultrasonic welding line device 14, and the anode and the cathode of the workpiece are directly welded and connected by using money; the gold thread welded workpiece moves below the glue filling device 15, glue filling operation is carried out on the workpiece through the glue filling device 15, the glue filled workpiece continuously moves to the fourth mechanical arm 16 and is transferred to the discharging conveyer belt 17 by the fourth mechanical arm 16, and the workpiece is conveyed to subsequent processing equipment through the discharging conveyer belt 17, so that assembly line type assembly of the LED lamp 5 is realized through the turntable 3, and multiple operations of workpiece feeding, defective product elimination, welding, glue filling, discharging and the like are realized, compared with a manual assembly mode, the production efficiency is greatly improved, labor cost is reduced, accurate assembly can be realized, the consistency is good, the loss is small, the repair rate is reduced, and the quality of the LED lamp 5 is guaranteed; through the arrangement of the plasma cleaning device 11, the oxide on the surface of the workpiece can be removed through positive and negative ions generated by the plasma cleaning machine in a vacuum state, and the subsequent welding and glue pouring effects can be improved; through the arrangement of the communicating channel 23, the external glue supply equipment introduces glue into the glue barrel through the glue inlet pipe 21, the glue can be uniformly sprayed out from the spraying hole 24 through the communicating channel 23, and then the glue pouring operation is carried out on the workpiece below the glue supplying equipment, and the position of the glue pouring device 15 and the orientation of the spray head 22 are fixed and unchanged, so that under the condition that the stepping amplitude of the rotary table 3 is unchanged, the relative position of each workpiece to be glue poured and the glue pouring device 15 is also unchanged, the continuous glue pouring of the workpieces can be realized, and the glue pouring quality is ensured; through the arrangement of the air inlet pipe 34, air can be introduced into the upper cavity 20 through the air inlet pipe 34, so that the piston 33 moves upwards, the piston 33 drives the second magnet 30 to move upwards through the second connecting rod 32, and because the magnetism of the first magnet 28 is opposite to that of the second magnet 30, the first magnet 28 and the second magnet 30 attract each other and enable the first connecting rod 27 to move upwards, so that the problem that the sealing ball 25 is driven to move upwards by the elasticity of the first spring 26, the injection hole 24 is opened, the glue filling of the spray head 22 is realized, and after the pressure of the air inlet pipe 34 is relieved, the first spring 26 can enable the injection hole 24 to be blocked, so that the problems that the glue drips and pollutes the rotary table 3 in the stepping process of the rotary table 3 can be avoided, the waste of the glue can be avoided; through the arrangement of the fixing block 18 and the connecting cavity 29, the upper cavity 20 and the lower cavity 19 can be isolated, the problem that air bubbles are contained in glue water due to the fact that air in the upper cavity 20 enters the lower cavity 19 is solved, and the glue filling quality is further guaranteed; because a small amount of gas in the upper chamber 20 can enter the communicating chamber through the gap between the second connecting rod 32 and the fixed block 18 and then enter the lower chamber 19 through the gap outside the vertical first connecting rod 27, the gas in the upper chamber 20 can be prevented from moving to the lower chamber 19 through the arrangement of the sealing flexible film 31, and meanwhile, the sealing flexible film 31 can be deformed, so that the up-and-down movement of the first magnet 28 and the second magnet 30 can not be influenced, and the opening and closing of the injection hole 24 can not be influenced; through the setting of second spring 35, second spring 35 is in tensile state when injection hole 24 is opened completely, sealing ball 25 receives first spring 26 and the decurrent pressure of second spring 35 this moment, consequently, can close injection hole 24 with faster speed, make injection hole 24 in time close after accomplishing the encapsulating, the problem that glue drips has further been reduced, in addition because be in compression state when injection hole 24 is closing soon, second spring 35 is ascending pulling force to sealing ball 25 this moment, and then offset the decurrent pressure of part first spring 26, the impact force when sealing ball 25 blocks up injection hole 24 has then been reduced, avoid the too big circumstances that leads to the damage of impact force, and service life is prolonged, also can avoid the sealing washer bounce-back to lead to the secondary to opening injection hole 24 simultaneously, cause the problem that glue drips once more.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The intelligent assembling line for the LED packages is characterized by comprising a workbench (1), wherein a rotating shaft (2) is arranged in the middle of the workbench (1), a rotating disc (3) rotating in a stepping mode is fixedly arranged on the rotating shaft (2) above the workbench (1), a plurality of placing grooves (4) for placing LED lamps (5) are uniformly distributed on the rotating disc (3) along the periphery of the rotating disc, and the lower end of the rotating shaft (2) penetrates through the workbench (1) to be in transmission connection with a motor; a feeding conveying belt (6) extending to the front side of the rotary table (3) is arranged in front of the workbench (1), a first manipulator (7) is fixedly arranged on the workbench (1) on one side of the feeding conveying belt (6), and the LED lamps (5) on the feeding conveying belt (6) can be transferred into the corresponding placing grooves (4) by the first manipulator (7); a second manipulator (8), an installation frame (12), an ultrasonic welding line device (14), a glue pouring device (15) and a fourth manipulator (16) are sequentially and fixedly arranged on the workbench (1) on the periphery of the turntable (3) from the first manipulator (7) along the anticlockwise direction, and the fourth manipulator (16) can transfer the LED lamps (5) of the placing groove (4) onto a discharging conveyer belt (17); the distance between the second manipulator (8), the mounting frame (12), the ultrasonic welding line device (14), the glue pouring device (15) and the fourth manipulator (16) is N times of the stepping rotation distance of the turntable (3), wherein N is an integer greater than or equal to 1; an industrial camera (9) which is right opposite to the placing groove (4) is arranged on the second manipulator (8), and an output signal of the industrial camera (9) can be used as an input signal of an external online detection system and is used for detecting and finding unqualified workpieces and rejecting the unqualified workpieces through the second manipulator (8); and the mounting rack (12) is provided with an infrared sensor (13) which is just opposite to the placing groove (4).
2. The LED packaging intelligent assembly line according to claim 1, characterized in that a third manipulator (10) is arranged on the workbench (1) between the second manipulator (8) and the mounting rack (12), and a plasma cleaning device (11) matched with the position of the placing groove (4) is arranged on the third manipulator (10).
3. The LED packaging intelligent assembly line according to claim 2, wherein the glue filling device (15) comprises a hollow glue barrel, a spray head (22) with a spray hole (24) is arranged at the lower end of the glue barrel, the inner cavity of the glue barrel is communicated with the spray hole (24) through a communication passage (23), and the spray head (22) is positioned right above the placing groove (4); and a glue inlet pipe (21) communicated with external glue supply equipment is arranged on the side wall of the lower part of the glue barrel.
4. The LED packaging intelligent assembly line according to claim 3, wherein a sealing ball (25) for plugging the injection hole (24) is arranged at the lower end of the communication channel (23), a baffle ring is fixedly arranged in the communication channel (23), and a first spring (26) is arranged between the baffle ring and the sealing ball (25); a fixed block (18) is fixedly arranged in the middle of the inner cavity of the rubber barrel, the fixed block (18) divides the inner cavity of the rubber barrel into an upper cavity (20) and a lower cavity (19), and the glue inlet pipe (21) is communicated with the lower cavity (19); a piston (33) is arranged in the upper cavity (20), and an air inlet pipe (34) communicated with external air supply equipment is communicated with the side wall of the rubber barrel on one side below the piston (33); be provided with in fixed block (18) and connect chamber (29), piston (33) extend to connect chamber (29) in through second connecting rod (32) and be connected with second magnet (30), sealed ball (25) upper end is fixed and is provided with first connecting rod (27), first connecting rod (27) upwards extend to connect chamber (29) in be connected with first magnet (28), first magnet (28) are opposite with the magnetism of second magnet (30).
5. The LED packaging intelligent assembly line according to claim 4, wherein a horizontally arranged sealing flexible film (31) is arranged in the connecting cavity (29), and the first magnet (28) and the second magnet (30) are respectively arranged on the upper side and the lower side of the sealing flexible film (31).
6. LED package intelligent assembly line according to claim 5, characterized in that a second spring (35) is arranged between the piston (33) and the fixed block (18), the second spring (35) being in compression when the injection hole (24) is closed, the second spring (35) being in tension when the injection hole (24) is fully open.
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