CN116944624A - Tin coating device for LED lamp production and operation method thereof - Google Patents

Tin coating device for LED lamp production and operation method thereof Download PDF

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Publication number
CN116944624A
CN116944624A CN202310879328.4A CN202310879328A CN116944624A CN 116944624 A CN116944624 A CN 116944624A CN 202310879328 A CN202310879328 A CN 202310879328A CN 116944624 A CN116944624 A CN 116944624A
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CN
China
Prior art keywords
guide
groove
arc
block
gear
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Application number
CN202310879328.4A
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Chinese (zh)
Inventor
陈欣
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Foshan Naifei Electrical Technology Co ltd
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Foshan Naifei Electrical Technology Co ltd
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Priority to CN202310879328.4A priority Critical patent/CN116944624A/en
Publication of CN116944624A publication Critical patent/CN116944624A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/08Auxiliary devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/06Solder feeding devices; Solder melting pans
    • B23K3/0607Solder feeding devices
    • B23K3/0638Solder feeding devices for viscous material feeding, e.g. solder paste feeding
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/36Electric or electronic devices
    • B23K2101/42Printed circuits
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cleaning In General (AREA)

Abstract

The invention belongs to the technical field of LED lamp production, in particular to a tin coating device for LED lamp production and an operation method thereof; the tin coating machine comprises a machine body, wherein a first working cavity and a second working cavity are sequentially arranged in the machine body from top to bottom, a tin coating mechanism is arranged in the first working cavity, a conveyor belt is arranged in the second working cavity, a placing plate is uniformly arranged on the conveyor belt, a plurality of placing grooves are formed in the placing plate, a feeding hole and a discharging hole are respectively formed in two sides of the second working cavity, and a cross beam is fixedly connected to the inner wall of the second working cavity; according to the invention, the pretreatment component can carry out static elimination treatment and preliminary dust collection treatment on the circuit board, and the wiping component can wipe the surface of the circuit board, so that the situation that the solder paste cannot well contact the surface of the circuit board to form an interaction force when being coated due to the blocking of dust and impurities is avoided, and a gap exists between the dried circuit board and the solder paste layer, so that the service life of the LED lamp is influenced is avoided.

Description

Tin coating device for LED lamp production and operation method thereof
Technical Field
The invention belongs to the technical field of LED lamp production, and particularly relates to a tin coating device for LED lamp production and an operation method thereof.
Background
The LED lamp is produced through the steps that a semiconductor material chip with luminous electrodes is solidified on a support through silver colloid or white colloid, then the chip and a circuit board are connected through silver wires or gold wires, the periphery of the chip is sealed through epoxy resin, the effect of protecting an internal core wire is achieved, and finally the shell is installed. The circuit board is usually subjected to tin coating operation before being welded with the chip circuit; the tin coating operation is to put the solder paste on the steel mesh plate, then put the circuit board under the steel mesh plate, and make the solder paste evenly penetrate the steel mesh plate to coat on the surface of the circuit board by moving the scraper.
In the prior art, when tin coating is carried out on a circuit board, a worker generally places the circuit board directly on a station of a machine, then slowly moves to the lower part of a steel mesh plate to uniformly tin coating, however, the existing machine lacks a component for wiping the surface of the circuit board, so that dust impurities attached to the surface of the circuit board before tin coating can not be effectively removed, and when tin paste is coated, the tin paste can not well contact the surface of the circuit board to form an interaction force due to the blocking of the dust impurities, and then gaps exist between the dried circuit board and a tin paste layer, so that the chip circuit on the surface of the circuit board is extremely easy to damage when the circuit board is used in an external severe environment, and the service life of an LED lamp is influenced.
Therefore, the invention provides a tin coating device for LED lamp production and an operation method thereof.
Disclosure of Invention
In order to make up the deficiency of the prior art, solve in the prior art, the staff is put the circuit board on the station of the machine directly when tin coating, then move to the below of the steel mesh plate slowly and carry on the even tin coating, however, lack the assembly to the surface wiping of the circuit board on the existing machine, make the surface of circuit board unable to get the effective removal of the dust impurity adhering to before tin coating, cause the tin paste to coat, because the dust impurity blocks and makes the tin paste unable to contact with the surface of the circuit board well and form the mating force, and then make there are gaps between tin paste layer and the circuit board after drying, very easy to cause the chip circuit of the circuit board surface to damage, influence the problem of the life time of LED lamp when the circuit board is used in the external bad environment, the invention proposes a LED lamp to produce and scribble tin device and its operating method.
The technical scheme for solving the technical problems is as follows: the invention discloses a tin coating device for producing an LED lamp, which comprises a machine body, wherein a first working cavity and a second working cavity are sequentially arranged in the machine body from top to bottom, a tin coating mechanism is arranged in the first working cavity, a conveyor belt is arranged in the second working cavity, a placing plate is uniformly arranged on the conveyor belt, a plurality of placing grooves are formed in the placing plate, a feed inlet and a discharge outlet are respectively formed in two sides of the second working cavity, a cross beam is fixedly connected onto the inner wall of the second working cavity, a pretreatment component is arranged on one side, close to the feed inlet, of the cross beam, a cleaning component is arranged on one side, far away from the feed inlet, of the cross beam, a wiping component is arranged below the cleaning component, the placing plate is matched with the pretreatment component and the wiping component, a servo motor is fixedly arranged in the second working cavity, and the servo motor is connected with the conveyor belt and the wiping component through a transmission component.
Preferably, the transmission assembly comprises a first gear, a second gear and a third gear, the output end of the servo motor is fixedly connected with the first gear, the second gear is meshed with the bottom of the first gear, the second gear is sleeved on the first rotating shaft, the first rotating shaft is connected with the conveyor belt through a belt, the second gear is meshed with the top of the first gear, the second gear is sleeved at one end of the second rotating shaft, the second rotating shaft is sleeved with the wiping assembly, and the first gear is a half-ring gear.
Preferably, the wiping component comprises a rotating wheel and a sponge brush, the rotating wheel is sleeved on the second rotating shaft, two mounting grooves are symmetrically formed in the rotating wheel, the sponge brush is fixedly connected to the inner wall of each mounting groove, and the sponge brush is matched with the placing plate.
Preferably, the cleaning component comprises an arc fixing piece, an arc block, a guide disc and a cleaning head, wherein a plurality of groups of arc fixing pieces and guide discs are uniformly fixedly connected to the side wall of the cross beam, the arc fixing pieces and the guide discs are arranged in a staggered manner, a first guide groove and a second guide groove are arranged on the guide discs, a cleaning groove is formed in the top end of the inner side of the arc fixing piece, a third spring is fixedly connected to the inner wall of the cleaning groove, the other end of the third spring is fixedly connected with the arc block, the arc block is in sliding connection with the cleaning groove, a vibrating motor is mounted on the arc block, the output end of the vibrating motor is fixedly connected with the cleaning head, the cleaning head is matched with the sponge brush, a storage cylinder is fixedly connected to the top of the arc fixing piece, a discharging groove is arranged on the arc fixing piece, one end of the discharging groove is communicated with the storage cylinder, and the other end of the discharging groove is fixedly connected with a hose, the other end of the hose is communicated with the inner cavity of the cleaning head, through holes are uniformly formed in the bottom end of the inner cavity of the cleaning head, two first guide pieces are symmetrically arranged on the rotating wheel, one side of the arc-shaped fixing piece is provided with an arc-shaped groove and an arc-shaped cavity, an air bag I is fixedly connected in the arc-shaped groove, the first guide pieces are matched with the air bag I, the first guide pieces are in sliding connection with the first guide groove I, a second spring is fixedly connected with the inner wall of the arc-shaped cavity, the other end of the second spring is fixedly connected with a sliding block, one side of the sliding block, which is away from the second spring, is fixedly connected with an inserting block, the other end of the inserting block extends into the blanking groove, the other side of the sliding block, which is away from the second spring, is fixedly connected with the second air bag, the first air bag is communicated with the second air bag through an air pipe, two second guide pieces are symmetrically arranged on the rotating wheel, the second guide pieces are in sliding connection with the second guide groove, one end, which is close to the third spring, of the arc block is provided with a bulge, the second guide piece is matched with the protrusion.
Preferably, the first guide piece comprises a first spring, a first T-shaped block and a first guide block, two first T-shaped grooves are symmetrically arranged on the rotating wheel, the first T-shaped blocks are connected in a sliding mode, the first springs are fixedly connected between the inner side ends of the first T-shaped blocks and the inner wall of the first T-shaped grooves, the first guide block is fixedly connected on the first T-shaped blocks, the other ends of the first guide blocks extend to the outer side of the rotating wheel and are connected with the first guide grooves in a sliding mode, the first guide grooves consist of a first trapezoid groove and a second annular groove, and the first trapezoid grooves correspond to the second arc grooves.
Preferably, the second guide piece comprises a fourth spring, a second T-shaped block and a second guide block, two second T-shaped grooves are symmetrically formed in the rotating wheel, the second T-shaped blocks are connected with the second T-shaped grooves in a sliding mode, the fourth spring is fixedly connected between the second T-shaped blocks and the inner walls of the second T-shaped grooves, the second guide block is fixedly connected to the second T-shaped blocks, the other end of the second guide block extends to the outer side of the rotating wheel and is connected with the second guide grooves in a sliding mode, the second guide grooves are formed by a second trapezoid groove and a second annular groove, and the second trapezoid grooves correspond to the cleaning grooves.
Preferably, the collecting vat has been seted up on one side inner wall of rotor, the rigid coupling has the guide plate on the notch of collecting vat, be equipped with L type piece in the mounting groove, L type piece is laminated mutually with the sponge brush, and L type piece and guide plate looks adaptation, the chute has been seted up on the inside wall of mounting groove, sliding connection has the stopper in the chute, stopper and L type piece rigid coupling, the rigid coupling has Z type shell fragment between the inner wall of L type piece and mounting groove, Z type shell fragment is laminated with L type piece.
Preferably, the pretreatment component comprises a static eliminator, an air pump and a dust hood, wherein the dust hood is fixedly connected with the bottom end of the beam, the air pump is fixedly installed on the dust hood, and the static eliminator is fixedly connected with the side wall of the beam.
Preferably, the both sides of conveyer belt all are equipped with the track frame, the guide way III has been seted up on the track frame, the guide way III comprises a runway type groove and a dovetail groove III, every the below of placing the board all symmetry is equipped with two sleeves, sliding connection has the bracing piece in the telescopic inner chamber, the top of bracing piece with place the bottom rigid coupling of board, the rigid coupling has the spring five between telescopic inner wall and the bottom of bracing piece, the lateral wall bottom rigid coupling of bracing piece has the guide block III, the one end of guide block III extends to telescopic outside and guide way three sliding connection, be equipped with the arc recess on the dovetail groove III.
The tin coating operation method for producing the LED lamp is suitable for the continuous gibberellic acid extraction device, and comprises the following steps of:
s1: the method comprises the steps that a worker places a circuit board in a placing groove for placing the board from a feed inlet, and drives a conveyor belt and a wiping assembly to respectively run through a servo motor matched with a transmission assembly, so that the circuit board on the placing board sequentially passes through a pretreatment assembly and the wiping assembly;
s2: when the circuit board passes through the cleaning component, the surface of the circuit board can be cleaned through the cleaning component;
s3: when the conveyor belt moves the placing plate to the lower part of the tin coating mechanism, the conveyor belt stops running, the tin coating mechanism performs tin paste coating operation, meanwhile, the wiping component rotates, the cleaning component can be cleaned through the cleaning component, for the preparation of wiping next time, after tin coating is accomplished, wiping subassembly stops rotatory, and the conveyer belt moves discharge gate department when transporting the circuit board again, makes things convenient for the staff to take out.
The beneficial effects of the invention are as follows:
1. according to the tin coating device for LED lamp production and the operation method thereof, the servo motor is matched with the transmission assembly to drive the conveyor belt to operate, so that the circuit board on the placing board sequentially passes through the pretreatment assembly and the wiping assembly, the pretreatment assembly can conduct static elimination treatment and preliminary dust collection treatment on the circuit board, the wiping assembly can wipe the surface of the circuit board, the situation that the contact with the surface of the circuit board to form interaction force when tin paste is coated due to the blocking of dust impurities is avoided, and gaps exist between the dried circuit board and the tin paste layer, so that the service life of the LEID lamp is affected is avoided.
2. According to the tin coating device for LED lamp production and the operation method thereof, the rotating L-shaped blocks can be limited through the guide plate, so that the L-shaped blocks squeeze the sponge brush, alcohol liquid in the sponge brush flows out and enters the collecting tank through the guide plate, and the phenomenon that the wiping of the circuit board is influenced by excessive alcohol content in the cleaned sponge brush is avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the body of the present invention;
FIG. 3 is a partial schematic view of the present invention;
FIG. 4 is a schematic view of a transmission assembly of the present invention;
FIG. 5 is a cross-sectional view of a rotating wheel of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is an enlarged view of a portion of FIG. 5 at B;
FIG. 8 is a schematic view of the engagement of the first and second T-blocks with the guide plate in accordance with the present invention;
FIG. 9 is a schematic view of a guide disk of the present invention;
FIG. 10 is a schematic view of a track frame of the present invention;
FIG. 11 is a cross-sectional view of a sleeve of the present invention;
FIG. 12 is a flow chart of the operation of the present invention;
in the figure: 1. a body; 2. a tin coating mechanism; 3. a conveyor belt; 4. a servo motor; 5. a first gear; 6. a second gear; 7. a first rotating shaft; 8. a belt; 9. a third gear; 10. a second rotating shaft; 11. a rotating wheel; 12. an arc-shaped fixing piece; 13. a first spring; 14. t-shaped block I; 15. an air bag I; 16. an air pipe; 17. an air bag II; 18. a slide block; 19. inserting blocks; 20. a second spring; 21. a storage cylinder; 22. discharging groove; 23. a hose; 24. cleaning the groove; 25. a third spring; 26. an arc-shaped block; 27. a vibration motor; 28. a cleaning head; 29. a sponge brush; 30. a spring IV; 31. t-shaped block II; 32. an L-shaped block; 33. a Z-shaped elastic sheet; 34. a chute; 35. a limiting block; 36. a collection tank; 37. a deflector; 38. a cross beam; 39. a static eliminator; 40. an air pump; 41. a dust hood; 42. a guide disc; 43. a first guide groove; 44. a second guide groove; 45. a first guide block; 46. a second guide block; 47. a track frame; 48. a guide groove III; 49. a sleeve; 50. a spring V; 51. a support rod; 52. a guide block III; 53. the plate is placed.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-11, the tin coating device for producing an LED lamp according to the embodiment of the invention comprises a machine body 1, a first working cavity and a second working cavity are sequentially arranged in the machine body 1 from top to bottom, a tin coating mechanism 2 is installed in the first working cavity, a conveyor belt 3 is arranged in the second working cavity, a placing plate 53 is uniformly arranged on the conveyor belt 3, a plurality of placing grooves are formed in the placing plate 53, a feed inlet and a discharge outlet are respectively arranged on two sides of the second working cavity, a cross beam 38 is fixedly connected to the inner wall of the second working cavity, a preprocessing component is arranged on one side, close to the feed inlet, of the cross beam 38, a cleaning component is arranged on one side, far away from the feed inlet, of the cross beam 38, a wiping component is arranged below the cleaning component, the placing plate 53 is matched with the preprocessing component and the wiping component, a servo motor 4 is fixedly installed in the second working cavity, and the servo motor 4 is connected with the conveyor belt 3 and the wiping component through the transmission component; during operation, the staff puts the circuit board from the feed inlet in the standing groove of placing the board 53, drive conveyer belt 3 operation through servo motor 4 cooperation drive assembly, make the circuit board of placing on the board 53 pass through preprocessing unit and wiping assembly in proper order, can carry out static elimination processing and preliminary dust absorption processing to the circuit board through preprocessing unit, can clean the surface of circuit board through wiping assembly, avoid can not be fine when making the solder paste coating because the barrier of dust impurity contacts with the surface of circuit board and forms the mating force, and then make there is the clearance between circuit board after the drying and the solder paste layer, influence the life's of LED lamp condition appearance, after the solder paste coating is accomplished, the staff takes out the circuit board from the discharge gate.
The transmission assembly comprises a first gear 5, a second gear 6 and a third gear 9, wherein the output end of the servo motor 4 is fixedly connected with the first gear 5, the second gear 6 is meshed with the bottom of the first gear 5, the second gear 6 is sleeved on a first rotating shaft 7, the first rotating shaft 7 is connected with the conveyor belt 3 through a belt 8, the second gear 6 is meshed with the top of the first gear 5, the second gear 6 is sleeved at one end of a second rotating shaft 10, the second rotating shaft 10 is sleeved with the wiping assembly, and the first gear 5 is a half-ring gear; during operation, the servo motor 4 drives the first gear 5 to rotate, when the first gear 5 is meshed with the second gear 6, the second gear 6 drives the first rotating shaft 7 to rotate, the conveyor belt 3 is enabled to operate through cooperation of the belt 8, and then a circuit board on the placing plate 53 reaches the lower side of the tin coating mechanism 2 after being cleaned by wiping components, in the process, the third gear 9 is not meshed with the first gear 5, when the placing plate 53 moves to the lower side of the tin coating mechanism 2, the second gear 6 is not meshed with the first gear 5 any more, the conveyor belt 3 stops operating, the tin coating mechanism 2 finishes tin coating operation, at the moment, the first gear 5 is meshed with the third gear 9, the wiping components can be driven to rotate through the third gear 9, and cleaning components can be cleaned again through cleaning components, so that next wiping operation is convenient.
The wiping component comprises a rotating wheel 11 and a sponge brush 29, the rotating wheel 11 is sleeved on a second rotating shaft 10, two mounting grooves are symmetrically formed in the rotating wheel 11, the sponge brush 29 is fixedly connected to the inner wall of each mounting groove, and the sponge brush 29 is matched with the placing plate 53; in operation, when the placing plate 53 moves below the rotating wheel 11, the sponge brush 29 containing alcohol can wipe the surface of the circuit board in the placing groove, so that dust attached to the surface of the circuit board during solder paste coating is prevented from affecting the coating quality.
The cleaning component comprises an arc fixing piece 12, an arc block 26, a guide disc 42 and a cleaning head 28, a plurality of groups of arc fixing pieces 12 and guide discs 42 are uniformly fixedly connected on the side wall of a beam 38, the arc fixing pieces 12 and the guide discs 42 are arranged in a staggered manner, a first guide groove 43 and a second guide groove 44 are arranged on the guide discs 42, a cleaning groove 24 is formed in the top end of the inner side of the arc fixing piece 12, a third spring 25 is fixedly connected on the inner wall of the cleaning groove 24, the other end of the third spring 25 is fixedly connected with the arc block 26, the arc block 26 is in sliding connection with the cleaning groove 24, a vibrating motor 27 is mounted on the arc block 26, the output end of the vibrating motor 27 is fixedly connected with the cleaning head 28, the cleaning head 28 is matched with a sponge brush 29, a storage cylinder 21 is fixedly connected at the top of the arc fixing piece 12, a blanking groove 22 is arranged on the arc fixing piece 12, one end of the blanking groove 22 is communicated with the storage cylinder 21, the other end of the discharging groove 22 is fixedly connected with a hose 23, the other end of the hose 23 is communicated with the inner cavity of the cleaning head 28, through holes are uniformly formed in the bottom end of the inner cavity of the cleaning head 28, two first guide parts are symmetrically arranged on the rotating wheel 11, one side of each arc-shaped fixing part 12 is provided with an arc-shaped groove and an arc-shaped cavity, an air bag 15 is fixedly connected in each arc-shaped groove, the first guide parts are matched with the air bag 15, the first guide parts are in sliding connection with the first guide grooves 43, a spring 20 is fixedly connected to the inner wall of each arc-shaped cavity, the other end of the spring 20 is fixedly connected with a sliding block 18, one side of the sliding block 18, which is far away from the spring 20, is fixedly connected with an inserting block 19, the other end of the inserting block 19 extends into the discharging groove 22, the other side of the sliding block 18, which is far away from the spring 20, is fixedly connected with an air bag 17, the air bag 15 is communicated with the air bag 17 through an air pipe 16, two second guide pieces are symmetrically arranged on the rotating wheel 11, the second guide pieces are in sliding connection with the second guide grooves 44, a protrusion is arranged at one end, close to the third spring 25, of the arc-shaped block 26, and the second guide pieces are matched with the protrusion; when the cleaning is completed, when the first gear 5 is meshed with the third gear 9, the rotating wheel 11 starts to rotate, the first guide piece positioned in the arc-shaped groove slides along with the first guide piece and extrudes the first air bag 15, gas in the first air bag 15 enters the second air bag 17 through the gas pipe 16, the second air bag 17 expands to drive the sliding block 18 to slide in the arc-shaped cavity to compress the second spring 20, meanwhile, the plug 19 releases the blocking of the blanking groove 22, alcohol in the storage cylinder 21 enters the inner cavity of the cleaning head 28 through the blanking groove 22 and the hose 23, at the moment, the guide piece positioned in the cleaning groove 24 drives the arc-shaped block 26 to slide through the bulge, in the process, the alcohol drops on the sponge brush 29 from the inner cavity of the cleaning head 28 through the through hole, and wets the sponge brush 29, meanwhile, the vibration motor 27 drives the cleaning head 28 to vibrate so as to clean the surface of the sponge brush 29, the sponge brush 29 is ready for the next cleaning operation, after the first guide piece leaves the arc-shaped groove, the sliding block 18 is restored to the original position through the elastic force of the second spring 20, and then the gas in the second air bag 17 returns to the first air bag 15, the plug block 19 again seals the lower groove 22, at the moment, the second guide piece still slides in the cleaning groove 24, when the second guide piece slides out of the cleaning groove 24, the arc-shaped block 26 is restored to the original position under the elastic force of the third spring 25 so as to prepare for the subsequent cleaning, after the rotating wheel 11 drives the cleaned sponge brush 29 to rotate to the bottommost end under the action of the third gear 9, the third gear 9 is separated from the first gear 5, and at the moment, the guide piece slides into the arc-shaped groove again and then is attached to the first air bag 15.
The first guide piece comprises a first spring 13, a first T-shaped block 14 and a first guide block 45, two first T-shaped grooves are symmetrically formed in the rotating wheel 11, the first T-shaped grooves are connected with the first T-shaped block 14 in a sliding mode, the first spring 13 is fixedly connected between the inner side end of the first T-shaped block 14 and the inner wall of the first T-shaped groove, the first guide block 45 is fixedly connected to the first T-shaped block 14, the other end of the first guide block 45 extends to the outer side of the rotating wheel 11 and is connected with the first guide groove 43 in a sliding mode, the first guide groove 43 consists of a first trapezoid groove and a first annular groove, and the first trapezoid groove corresponds to the arc groove; when the rotary wheel 11 rotates under the action of the gear III 9, the T-shaped block I14 slides along the guide groove I43 under the action of the guide block I45, the spring I13 is in a compressed state when the guide block I45 slides in the annular groove I, and the T-shaped block I14 rapidly pops out into the arc groove under the action of the spring I13 when the guide block I45 slides in the trapezoid groove I, so that the control of the alcohol blanking amount can be realized through the guide piece I.
The second guide piece comprises a fourth spring 30, a second T-shaped block 31 and a second guide block 46, two second T-shaped grooves are symmetrically formed in the rotating wheel 11, the second T-shaped grooves are internally and slidably connected with the second T-shaped block 31, the fourth spring 30 is fixedly connected between the second T-shaped block 31 and the inner wall of the second T-shaped groove, the second guide block 46 is fixedly connected on the second T-shaped block 31, the other end of the second guide block 46 extends to the outer side of the rotating wheel 11 and is in sliding connection with the second guide groove 44, the second guide groove 44 consists of a second trapezoid groove and a second annular groove, and the second trapezoid groove corresponds to the cleaning groove 24; when the rotary wheel 11 rotates under the action of the gear III 9, the T-shaped block II 31 slides along the guide groove II 44 under the action of the guide block II 46, the spring IV 30 is in a compressed state when the guide block II 46 slides in the annular groove II, and the T-shaped block II 31 rapidly pops out into the cleaning groove 24 to be attached to the protrusion on the arc-shaped block 26 under the action of the spring IV 30 when the guide block II 46 slides in the trapezoid groove II, so that the cleaning of the surface of the sponge brush 29 can be realized while the sponge brush 29 rotates through the guide part II.
A collecting groove 36 is formed in the inner wall of one side of the rotating wheel 11, a guide plate 37 is fixedly connected to the notch of the collecting groove 36, an L-shaped block 32 is arranged in the mounting groove, the L-shaped block 32 is attached to the sponge brush 29, the L-shaped block 32 is matched with the guide plate 37, a chute 34 is formed in the inner wall of the mounting groove, a limiting block 35 is slidably connected in the chute 34, the limiting block 35 is fixedly connected with the L-shaped block 32, a Z-shaped elastic piece 33 is fixedly connected between the L-shaped block 32 and the inner wall of the mounting groove, and the Z-shaped elastic piece 33 is attached to the L-shaped block 32; when the cleaning head 28 is used for cleaning the sponge brush 29, the L-shaped block 32 is contacted with the guide plate 37 when the sponge brush 29 rotates to the collecting groove 36, the guide plate 37 presses the sponge brush 29, so that alcohol liquid in the sponge brush 29 flows out and enters the collecting groove 36 through the guide plate 37, in the process, the limiting block 35 slides along the chute 34, the L-shaped block 32 compresses the Z-shaped elastic sheet 33 while pressing the sponge brush 29 until the limiting block 35 slides to the other end of the chute 34, the L-shaped block 32 is retracted into the mounting groove to be separated from the guide plate 37, and after the L-shaped block 32 is separated from the mounting groove, the L-shaped block 32 is restored to the original position again under the action of the Z-shaped elastic sheet 33, and the cleaning of the circuit board due to excessive influence of alcohol in the cleaned sponge brush 29 is avoided through the structure.
The pretreatment component comprises a static eliminator 39, an air pump 40 and a dust hood 41, wherein the dust hood 41 is fixedly connected with the bottom end of the beam 38, the air pump 40 is fixedly arranged on the dust hood 41, and the static eliminator 39 is fixedly connected with the side wall of the beam 38; in operation, static electricity on the surface of the circuit board can be eliminated through the static eliminator 39, the adhesive force of dust is reduced, dust impurities on the surface of the circuit board can be absorbed through the air pump 40 matched with the dust hood 41, and the pretreatment cleaning of the circuit board is realized.
The two sides of the conveyor belt 3 are respectively provided with a track frame 47, the track frames 47 are provided with a guide groove III 48, the guide groove III 48 consists of a runway type groove and a trapezoid type groove III, two sleeves 49 are symmetrically arranged below each placing plate 53, a supporting rod 51 is slidably connected in an inner cavity of each sleeve 49, the top end of each supporting rod 51 is fixedly connected with the bottom end of each placing plate 53, a spring five 50 is fixedly connected between the inner wall of each sleeve 49 and the bottom end of each supporting rod 51, a guide block III 52 is fixedly connected with the bottom end of each side wall of each supporting rod 51, one end of each guide block III 52 extends to the outer side of each sleeve 49 and is slidably connected with each guide groove III 48, and each trapezoid type groove III is provided with an arc groove; during operation, can lead the slip of placing the board 53 through the guide way III 48 that is equipped with on the track frame 47, when the guide block III 52 slides into the dovetail groove III, place the laminating of board 53 upper circuit board and sponge brush 29, along with the guide block III 52 continues to slide along dovetail groove III, the sponge brush 29 is to the increase of the wiping force of circuit board surface, the effect of wiping of circuit board has been improved, when the guide block III 52 slides to the arc recess department on the dovetail groove III, the circuit board just is located the below of tin-plating mechanism 2, the board 53 appears rocking has been avoided to place to the solder paste coating in-process, can support placing the board 53 through bracing piece 51 cooperation spring five 50.
As shown in fig. 12, a tin-coating operation method for producing LED lamps, which is suitable for the continuous gibberellic acid extraction device described above, comprises the steps of:
s1: a worker puts the circuit board in a placing groove of the placing board 53 from a feed inlet, and drives the conveyor belt 3 and the wiping component to respectively run by matching the servo motor 4 with the transmission component, so that the circuit board on the placing board 53 sequentially passes through the pretreatment component and the wiping component;
s2: when the circuit board passes through the cleaning component, the surface of the circuit board can be cleaned through the cleaning component;
s3: when the conveyer belt 3 moves the placing plate 53 to the lower part of the tin coating mechanism 2, the conveyer belt 3 stops running, the tin coating mechanism 2 performs tin paste coating operation, meanwhile, the wiping component rotates, the wiping component can be cleaned through the cleaning component to prepare for the next wiping, after tin coating is finished, the wiping component stops rotating, the conveyer belt 3 runs again to convey the circuit board at a discharge hole, and the circuit board is convenient for workers to take out.
According to the working principle, when the gear 15 is meshed with the gear 2, the gear 2 drives the rotating shaft 7 to rotate, the belt 8 is matched to enable the conveyor belt 3 to operate, a circuit board on the placing plate 53 is cleaned by wiping the wiping component and then reaches the lower part of the tin coating mechanism 2, in the process, the gear three 9 is not meshed with the gear 15, when the placing plate 53 moves to the lower part of the tin coating mechanism 2, the gear two 6 is not meshed with the gear one 5 any more, the conveyor belt 3 stops operating, the tin coating mechanism 2 finishes tin coating operation, at the moment, the gear one 5 is meshed with the gear three 9, the wiping component can be driven to rotate through the gear three 9, the cleaning component can be cleaned again, the next wiping operation is facilitated, when the placing plate 53 moves to the lower part of the rotating wheel 11, the sponge brush 29 containing alcohol can wipe the surface of the circuit board in the placing groove, dust attached to the surface of the circuit board is prevented from affecting the coating quality when the circuit board is coated with solder paste, when the wiping is completed, the gear one 5 is meshed with the gear three 9, the rotating wheel 11 starts rotating, the guide piece one positioned in the arc groove slides along with the rotating wheel and presses the air bag one 15, air in the air bag one 15 enters the air bag two 17 through the air pipe 16, the air bag two 17 expands to drive the sliding block 18 to slide in the arc cavity to compress the spring two 20, meanwhile, the plug 19 releases the blocking of the blanking groove 22, the alcohol in the storage cylinder 21 enters the cavity of the cleaning head 28 through the blanking groove 22 and the hose 23, at the moment, the guide piece positioned in the cleaning groove 24 drives the arc block 26 to slide through the bulge, in the process, the alcohol drops on the sponge brush 29 from the cavity of the cleaning head 28 through the through holes, and wets the sponge brush 29, meanwhile, the vibration motor 27 drives the cleaning head 28 to vibrate so as to clean the surface of the sponge brush 29, the sponge brush 29 is ready for the next cleaning operation, after the first guide piece leaves the arc-shaped groove, the sliding block 18 is restored to the original position through the elastic force of the second spring 20, and then the gas in the second air bag 17 returns to the first air bag 15, the plug block 19 again seals the lower groove 22, at the moment, the second guide piece still slides in the cleaning groove 24, when the second guide piece slides out of the cleaning groove 24, the arc-shaped block 26 is restored to the original position under the elastic force of the third spring 25, the preparation is made for the subsequent cleaning, the third gear 9 is separated from the first gear 5 after the cleaning sponge brush 29 is driven by the third gear 9, at the moment, the guide piece slides into the arc-shaped groove again and again to be attached to the first air bag 15, when the third gear 9 rotates, the T-shaped block I14 slides along the first guide groove 43 under the action of the first guide block 45, the first spring 13 is in a compressed state when the first guide block 45 slides in the first annular groove, the first T-shaped block 14 is quickly ejected into the arc-shaped groove under the action of the first spring 13 when the first guide block 45 slides in the first trapezoid groove, the control of the alcohol blanking amount can be realized through the first guide piece, the second T-shaped block 31 slides along the second guide groove 44 under the action of the second guide block 46 when the rotating wheel 11 rotates under the action of the third gear 9, the fourth spring 30 is in a compressed state when the second guide block 46 slides in the second annular groove, the second T-shaped block 31 is quickly ejected into the cleaning groove 24 under the action of the fourth spring 30 to be attached to the protrusion on the arc-shaped block 26, the cleaning of the surface of the sponge brush 29 can be realized while the sponge brush 29 rotates through the second guide piece, when the sponge brush 29 cleaned by the cleaning head 28 rotates to the collecting tank 36, the L-shaped block 32 is firstly contacted with the guide plate 37, and the sponge brush 29 is extruded under the action of the guide plate 37, so that the alcohol liquid in the sponge brush 29 flows out and enters the collecting tank 36 through the guide plate 37, in the process, the limiting block 35 slides along the chute 34, so that the L-shaped block 32 compresses the Z-shaped elastic sheet 33 while extruding the sponge brush 29 until the limiting block 35 slides to the other end of the chute 34, the L-shaped block 32 is retracted into the mounting tank to be separated from the guide plate 37, after the L-shaped block 32 is separated from the guide plate 37, the L-shaped block 32 is restored to the original position under the action of the Z-shaped elastic sheet 33, the cleaning of the circuit board due to the excessive influence of the alcohol quantity in the cleaned sponge brush 29 is avoided, the static electricity on the surface of the circuit board can be eliminated through the static eliminator 39, reduce the adhesive force of dust, can absorb the dust impurity on circuit board surface through air pump 40 cooperation suction hood 41, realize the preliminary treatment clearance to the circuit board, can lead the slip of placing the board 53 through the guide way III 48 that is equipped with on the track frame 47, when the guide block III 52 slides into trapezoidal slot III, place the laminating of circuit board and sponge brush 29 on the board 53, follow the guide block III 52 and continue to slide along trapezoidal slot III, the wiping force increase of sponge brush 29 to circuit board surface has improved the wiping effect to the circuit board, when the arc recess department on the guide block III 52 slides to trapezoidal slot III, the circuit board just is located the below of tin coating mechanism 2, it rocks to have avoided placing the board 53 to appear in the solder paste coating process, can support placing the board 53 through bracing piece 51 cooperation spring five 50.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. Tin coating device is used in LED lamp production, its characterized in that: including organism (1), be equipped with first and second working chambers in organism (1) from the top down in proper order, install tin coating mechanism (2) in the first working chamber, be equipped with conveyer belt (3) in the second working chamber, evenly be equipped with on conveyer belt (3) and place board (53), be equipped with a plurality of standing grooves on placing board (53), the both sides of second working chamber are equipped with feed inlet and discharge gate respectively, the rigid coupling has crossbeam (38) on the inner wall of second working chamber, one side that crossbeam (38) is close to the feed inlet is equipped with pretreatment module, one side that feed inlet was kept away from to crossbeam (38) is equipped with cleaning module, cleaning module's below is equipped with and cleans the subassembly, place board (53) and the equal adaptation of pretreatment module with cleaning module, servo motor (4) are equipped with in the second working chamber fixedly, servo motor (4) are connected with conveyer belt (3) and cleaning module through drive assembly.
2. The tin coating device for producing an LED lamp according to claim 1, wherein: the transmission assembly comprises a first gear (5), a second gear (6) and a third gear (9), wherein the output end of the servo motor (4) is fixedly connected with the first gear (5), the second gear (6) is meshed with the bottom of the first gear (5), the second gear (6) is sleeved on a first rotating shaft (7), the first rotating shaft (7) is connected with the conveying belt (3) through a belt (8), the second gear (6) is meshed with the top of the first gear (5), the second gear (6) is sleeved at one end of the second rotating shaft (10), the second rotating shaft (10) is sleeved with the wiping assembly, and the first gear (5) is a half ring gear.
3. The tin coating device for producing an LED lamp according to claim 2, wherein: the cleaning component comprises a rotating wheel (11) and a sponge brush (29), the rotating wheel (11) is sleeved on a rotating shaft II (10), two mounting grooves are symmetrically formed in the rotating wheel (11), the sponge brush (29) is fixedly connected to the inner wall of each mounting groove, and the sponge brush (29) is matched with the placing plate (53).
4. A tin coating device for producing LED lamps according to claim 3, wherein: the cleaning component comprises an arc-shaped fixing piece (12), an arc-shaped block (26), a guide disc (42) and a cleaning head (28), wherein a plurality of groups of arc-shaped fixing pieces (12) and the guide disc (42) are uniformly fixedly connected to the side wall of a cross beam (38), the arc-shaped fixing pieces (12) and the guide disc (42) are arranged in a staggered mode, a guide groove I (43) and a guide groove II (44) are arranged on the guide disc (42), a cleaning groove (24) is formed in the top end of the inner side of the arc-shaped fixing piece (12), a spring III (25) is fixedly connected to the inner wall of the cleaning groove (24), the other end of the spring III (25) is fixedly connected with the arc-shaped block (26), the arc-shaped block (26) is in sliding connection with the cleaning groove (24), a vibrating motor (27) is arranged on the arc-shaped block (26), the output end of the vibrating motor (27) is fixedly connected with the cleaning head (28), the cleaning head (28) is matched with a sponge brush (29), a storage cylinder (21) is fixedly connected to the top of the arc-shaped fixing piece (12), a lower fixing piece (22) is provided with an inner cavity (22), one end of the lower hose (23) is fixedly connected to the other end of the lower hose (23), the inner chamber bottom of the brush head (28) evenly is equipped with the through-hole, the symmetry is equipped with two guide pieces one on rotating wheel (11), one side of arc mounting (12) is equipped with arc wall and arc chamber, the rigid coupling has gasbag one (15) in the arc wall, guide piece one and gasbag one (15) looks adaptation, guide piece one and guide way one (43) sliding connection, the inner wall rigid coupling in arc chamber has spring two (20), the other end and slider (18) rigid coupling of spring two (20), one side rigid coupling that slider (18) deviates from spring two (20) has inserted block (19), the other end of inserted block (19) extends to down in silo (22), the opposite side rigid coupling that slider (18) deviates from spring two (20) has gasbag two (17), through trachea (16) intercommunication between gasbag one (15) and the gasbag two (17), the symmetry is equipped with two guide pieces two on rotating wheel (11), guide piece two and guide way two (44) sliding connection, one side rigid coupling that slider (18) deviates from spring two (20) has inserted block (19), the opposite side rigid coupling of slider (18) deviates from spring two (25), arch two is close to one end of protruding (25).
5. The tin coating device for producing an LED lamp according to claim 4, wherein: the guide piece I comprises a spring I (13), a T-shaped block I (14) and a guide block I (45), two T-shaped grooves I are symmetrically formed in the rotating wheel (11), the T-shaped block I (14) is connected in a sliding mode, the spring I (13) is fixedly connected between the inner side end of the T-shaped block I (14) and the inner wall of the T-shaped groove I, the guide block I (45) is fixedly connected on the T-shaped block I (14), the other end of the guide block I (45) extends to the outer side of the rotating wheel (11) and is in sliding connection with the guide groove I (43), the guide groove I (43) is composed of a trapezoid groove I and an annular groove II, and the trapezoid groove I corresponds to the arc groove.
6. The tin coating device for producing an LED lamp according to claim 5, wherein: the guide piece II comprises a spring IV (30), a T-shaped block II (31) and a guide block II (46), two T-shaped grooves II are symmetrically formed in the rotating wheel (11), the T-shaped block II (31) is connected in a sliding mode in the T-shaped groove II, the spring IV (30) is fixedly connected between the T-shaped block II (31) and the inner wall of the T-shaped groove II, the guide block II (46) is fixedly connected on the T-shaped block II (31), the other end of the guide block II (46) extends to the outer side of the rotating wheel (11) and is in sliding connection with the guide groove II (44), the guide groove II (44) is composed of a trapezoid groove II and an annular groove II, and the trapezoid groove II corresponds to the cleaning groove (24).
7. The tin coating device for producing an LED lamp according to claim 6, wherein: the utility model discloses a rotary wheel, including rotary wheel (11), baffle (37) have been seted up on the inner wall of one side of rotary wheel (11), rigid coupling has guide plate (37) on the notch of collecting tank (36), be equipped with L type piece (32) in the mounting groove, L type piece (32) laminate with sponge brush (29) mutually, and L type piece (32) and guide plate (37) looks adaptation, chute (34) have been seted up on the inside wall of mounting groove, sliding connection has stopper (35) in chute (34), stopper (35) and L type piece (32) rigid coupling, rigid coupling has Z type shell fragment (33) between the inner wall of L type piece (32) and mounting groove, Z type shell fragment (33) laminate with L type piece (32).
8. The tin coating device for producing an LED lamp according to claim 7, wherein: the pretreatment component comprises a static eliminator (39), an air pump (40) and a dust hood (41), wherein the dust hood (41) is fixedly connected with the bottom end of the beam (38), the air pump (40) is fixedly installed on the dust hood (41), and the static eliminator (39) is fixedly connected with the side wall of the beam (38).
9. The tin coating device for producing an LED lamp according to claim 8, wherein: the utility model discloses a conveyer belt, including conveyer belt (3), rack (47), guide way (48) have all been seted up on rack (47), guide way (48) are by a runway type groove and a trapezoid groove three component, each place the below of board (53) and all be equipped with two sleeve (49) symmetrically, sliding connection has bracing piece (51) in the inner chamber of sleeve (49), the top of bracing piece (51) with place the bottom rigid coupling of board (53), rigid coupling has spring five (50) between the inner wall of sleeve (49) and the bottom of bracing piece (51), the lateral wall bottom rigid coupling of bracing piece (51) has guide block three (52), the one end of guide block three (52) extends to the outside of sleeve (49) and guide way three (48) sliding connection.
10. A tin coating operation method for LED lamp production is characterized in that: the operation method is applicable to the continuous gibberellic acid extraction apparatus as claimed in any one of claims 1 to 9, and comprises the steps of:
s1: the staff puts the circuit board in the standing groove of the standing board (53) from the feed inlet, drive the conveyer belt (3) and wipe the assembly to run separately through the servo motor (4) cooperation transmission assembly, make the circuit board on the standing board (53) pass through the preconditioning assembly and wipe the assembly sequentially;
s2: when the circuit board passes through the cleaning component, the surface of the circuit board can be cleaned through the cleaning component;
s3: when conveyer belt (3) will place board (53) and remove to tin coating mechanism (2) below, conveyer belt (3) stop operation, tin coating mechanism (2) carry out tin cream coating operation, simultaneously, clean the subassembly and clear up the subassembly through cleaning component, for the preparation of wiping next time, tin coating is accomplished the back, clean the subassembly and stop rotating, conveyer belt (3) operation again with the discharge gate department when circuit board transports, the convenience staff takes out.
CN202310879328.4A 2023-07-17 2023-07-17 Tin coating device for LED lamp production and operation method thereof Withdrawn CN116944624A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310879328.4A CN116944624A (en) 2023-07-17 2023-07-17 Tin coating device for LED lamp production and operation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310879328.4A CN116944624A (en) 2023-07-17 2023-07-17 Tin coating device for LED lamp production and operation method thereof

Publications (1)

Publication Number Publication Date
CN116944624A true CN116944624A (en) 2023-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310879328.4A Withdrawn CN116944624A (en) 2023-07-17 2023-07-17 Tin coating device for LED lamp production and operation method thereof

Country Status (1)

Country Link
CN (1) CN116944624A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117564402A (en) * 2024-01-18 2024-02-20 江苏顺海科技有限公司 PCBA spare part fixed-position welding set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117564402A (en) * 2024-01-18 2024-02-20 江苏顺海科技有限公司 PCBA spare part fixed-position welding set
CN117564402B (en) * 2024-01-18 2024-03-12 江苏顺海科技有限公司 PCBA spare part fixed-position welding set

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